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 56extern struct sctp_cc_functions sctp_cc_functions[]; 57extern struct sctp_ss_functions sctp_ss_functions[]; 58 59void 60sctp_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 91void 92sctp_finish(void) 93{ 94 sctp_pcb_finish(); 95} 96 97 98 99void 100sctp_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 147static void 148sctp_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 219void 220sctp_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 306void 307sctp_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 377static int 378sctp_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); 422cred_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)); 431out: 432 return (error); 433} 434 435SYSCTL_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 440static void 441sctp_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 } 450sctp_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 482static int 483sctp_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) { 522try_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 547static int 548sctp_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 568void 569sctp_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 */ 581sctp_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 627int 628sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 629 struct mbuf *control, struct thread *p); 630 631 632int 633sctp_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 */ 677connected_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 717int 718sctp_disconnect(struct socket *so) 719{ 720 struct sctp_inpcb *inp; 721 722 inp = (struct sctp_inpcb *)so->so_pcb; 723 if (inp == NULL) { 724 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 725 return (ENOTCONN); 726 } 727 SCTP_INP_RLOCK(inp); 728 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 729 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 730 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 731 /* No connection */ 732 SCTP_INP_RUNLOCK(inp); 733 return (0); 734 } else { 735 struct sctp_association *asoc; 736 struct sctp_tcb *stcb; 737 738 stcb = LIST_FIRST(&inp->sctp_asoc_list); 739 if (stcb == NULL) { 740 SCTP_INP_RUNLOCK(inp); 741 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 742 return (EINVAL); 743 } 744 SCTP_TCB_LOCK(stcb); 745 asoc = &stcb->asoc; 746 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 747 /* We are about to be freed, out of here */ 748 SCTP_TCB_UNLOCK(stcb); 749 SCTP_INP_RUNLOCK(inp); 750 return (0); 751 } 752 if (((so->so_options & SO_LINGER) && 753 (so->so_linger == 0)) || 754 (so->so_rcv.sb_cc > 0)) { 755 if (SCTP_GET_STATE(asoc) != 756 SCTP_STATE_COOKIE_WAIT) { 757 /* Left with Data unread */ 758 struct mbuf *err; 759 760 err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_NOWAIT, 1, MT_DATA); 761 if (err) { 762 /* 763 * Fill in the user 764 * initiated abort 765 */ 766 struct sctp_paramhdr *ph; 767 768 ph = mtod(err, struct sctp_paramhdr *); 769 SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr); 770 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT); 771 ph->param_length = htons(SCTP_BUF_LEN(err)); 772 } 773 sctp_send_abort_tcb(stcb, err, SCTP_SO_LOCKED); 774 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 775 } 776 SCTP_INP_RUNLOCK(inp); 777 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 778 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 779 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 780 } 781 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 782 /* No unlock tcb assoc is gone */ 783 return (0); 784 } 785 if (TAILQ_EMPTY(&asoc->send_queue) && 786 TAILQ_EMPTY(&asoc->sent_queue) && 787 (asoc->stream_queue_cnt == 0)) { 788 /* there is nothing queued to send, so done */ 789 if (asoc->locked_on_sending) { 790 goto abort_anyway; 791 } 792 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) && 793 (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 794 /* only send SHUTDOWN 1st time thru */ 795 struct sctp_nets *netp; 796 797 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 798 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 799 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 800 } 801 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 802 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 803 sctp_stop_timers_for_shutdown(stcb); 804 if (stcb->asoc.alternate) { 805 netp = stcb->asoc.alternate; 806 } else { 807 netp = stcb->asoc.primary_destination; 808 } 809 sctp_send_shutdown(stcb, netp); 810 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 811 stcb->sctp_ep, stcb, netp); 812 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 813 stcb->sctp_ep, stcb, netp); 814 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 815 } 816 } else { 817 /* 818 * we still got (or just got) data to send, 819 * so set SHUTDOWN_PENDING 820 */ 821 /* 822 * XXX sockets draft says that SCTP_EOF 823 * should be sent with no data. currently, 824 * we will allow user data to be sent first 825 * and move to SHUTDOWN-PENDING 826 */ 827 struct sctp_nets *netp; 828 829 if (stcb->asoc.alternate) { 830 netp = stcb->asoc.alternate; 831 } else { 832 netp = stcb->asoc.primary_destination; 833 } 834 835 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 836 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 837 netp); 838 if (asoc->locked_on_sending) { 839 /* Locked to send out the data */ 840 struct sctp_stream_queue_pending *sp; 841 842 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 843 if (sp == NULL) { 844 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 845 asoc->locked_on_sending->stream_no); 846 } else { 847 if ((sp->length == 0) && (sp->msg_is_complete == 0)) 848 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 849 } 850 } 851 if (TAILQ_EMPTY(&asoc->send_queue) && 852 TAILQ_EMPTY(&asoc->sent_queue) && 853 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 854 struct mbuf *op_err; 855 856 abort_anyway: 857 op_err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 858 0, M_NOWAIT, 1, MT_DATA); 859 if (op_err) { 860 /* 861 * Fill in the user 862 * initiated abort 863 */ 864 struct sctp_paramhdr *ph; 865 866 SCTP_BUF_LEN(op_err) = sizeof(struct sctp_paramhdr); 867 ph = mtod(op_err, struct sctp_paramhdr *); 868 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT); 869 ph->param_length = htons(SCTP_BUF_LEN(op_err)); 870 } 871 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 872 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 873 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 874 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 875 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 876 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 877 } 878 SCTP_INP_RUNLOCK(inp); 879 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 880 return (0); 881 } else { 882 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 883 } 884 } 885 soisdisconnecting(so); 886 SCTP_TCB_UNLOCK(stcb); 887 SCTP_INP_RUNLOCK(inp); 888 return (0); 889 } 890 /* not reached */ 891 } else { 892 /* UDP model does not support this */ 893 SCTP_INP_RUNLOCK(inp); 894 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 895 return (EOPNOTSUPP); 896 } 897} 898 899int 900sctp_flush(struct socket *so, int how) 901{ 902 /* 903 * We will just clear out the values and let subsequent close clear 904 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 905 * they will not be able to read the data, the socket will block 906 * that from happening. 907 */ 908 struct sctp_inpcb *inp; 909 910 inp = (struct sctp_inpcb *)so->so_pcb; 911 if (inp == NULL) { 912 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 913 return (EINVAL); 914 } 915 SCTP_INP_RLOCK(inp); 916 /* For the 1 to many model this does nothing */ 917 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 918 SCTP_INP_RUNLOCK(inp); 919 return (0); 920 } 921 SCTP_INP_RUNLOCK(inp); 922 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 923 /* 924 * First make sure the sb will be happy, we don't use these 925 * except maybe the count 926 */ 927 SCTP_INP_WLOCK(inp); 928 SCTP_INP_READ_LOCK(inp); 929 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 930 SCTP_INP_READ_UNLOCK(inp); 931 SCTP_INP_WUNLOCK(inp); 932 so->so_rcv.sb_cc = 0; 933 so->so_rcv.sb_mbcnt = 0; 934 so->so_rcv.sb_mb = NULL; 935 } 936 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 937 /* 938 * First make sure the sb will be happy, we don't use these 939 * except maybe the count 940 */ 941 so->so_snd.sb_cc = 0; 942 so->so_snd.sb_mbcnt = 0; 943 so->so_snd.sb_mb = NULL; 944 945 } 946 return (0); 947} 948 949int 950sctp_shutdown(struct socket *so) 951{ 952 struct sctp_inpcb *inp; 953 954 inp = (struct sctp_inpcb *)so->so_pcb; 955 if (inp == NULL) { 956 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 957 return (EINVAL); 958 } 959 SCTP_INP_RLOCK(inp); 960 /* For UDP model this is a invalid call */ 961 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 962 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 963 /* Restore the flags that the soshutdown took away. */ 964 SOCKBUF_LOCK(&so->so_rcv); 965 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 966 SOCKBUF_UNLOCK(&so->so_rcv); 967 /* This proc will wakeup for read and do nothing (I hope) */ 968 SCTP_INP_RUNLOCK(inp); 969 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 970 return (EOPNOTSUPP); 971 } 972 /* 973 * Ok if we reach here its the TCP model and it is either a SHUT_WR 974 * or SHUT_RDWR. This means we put the shutdown flag against it. 975 */ 976 { 977 struct sctp_tcb *stcb; 978 struct sctp_association *asoc; 979 980 if ((so->so_state & 981 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 982 SCTP_INP_RUNLOCK(inp); 983 return (ENOTCONN); 984 } 985 socantsendmore(so); 986 987 stcb = LIST_FIRST(&inp->sctp_asoc_list); 988 if (stcb == NULL) { 989 /* 990 * Ok we hit the case that the shutdown call was 991 * made after an abort or something. Nothing to do 992 * now. 993 */ 994 SCTP_INP_RUNLOCK(inp); 995 return (0); 996 } 997 SCTP_TCB_LOCK(stcb); 998 asoc = &stcb->asoc; 999 if (TAILQ_EMPTY(&asoc->send_queue) && 1000 TAILQ_EMPTY(&asoc->sent_queue) && 1001 (asoc->stream_queue_cnt == 0)) { 1002 if (asoc->locked_on_sending) { 1003 goto abort_anyway; 1004 } 1005 /* there is nothing queued to send, so I'm done... */ 1006 if (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) { 1007 /* only send SHUTDOWN the first time through */ 1008 struct sctp_nets *netp; 1009 1010 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 1011 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 1012 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 1013 } 1014 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 1015 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 1016 sctp_stop_timers_for_shutdown(stcb); 1017 if (stcb->asoc.alternate) { 1018 netp = stcb->asoc.alternate; 1019 } else { 1020 netp = stcb->asoc.primary_destination; 1021 } 1022 sctp_send_shutdown(stcb, netp); 1023 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 1024 stcb->sctp_ep, stcb, netp); 1025 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 1026 stcb->sctp_ep, stcb, netp); 1027 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 1028 } 1029 } else { 1030 /* 1031 * we still got (or just got) data to send, so set 1032 * SHUTDOWN_PENDING 1033 */ 1034 struct sctp_nets *netp; 1035 1036 if (stcb->asoc.alternate) { 1037 netp = stcb->asoc.alternate; 1038 } else { 1039 netp = stcb->asoc.primary_destination; 1040 } 1041 1042 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 1043 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 1044 netp); 1045 1046 if (asoc->locked_on_sending) { 1047 /* Locked to send out the data */ 1048 struct sctp_stream_queue_pending *sp; 1049 1050 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 1051 if (sp == NULL) { 1052 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 1053 asoc->locked_on_sending->stream_no); 1054 } else { 1055 if ((sp->length == 0) && (sp->msg_is_complete == 0)) { 1056 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 1057 } 1058 } 1059 } 1060 if (TAILQ_EMPTY(&asoc->send_queue) && 1061 TAILQ_EMPTY(&asoc->sent_queue) && 1062 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 1063 struct mbuf *op_err; 1064 1065 abort_anyway: 1066 op_err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 1067 0, M_NOWAIT, 1, MT_DATA); 1068 if (op_err) { 1069 /* Fill in the user initiated abort */ 1070 struct sctp_paramhdr *ph; 1071 1072 SCTP_BUF_LEN(op_err) = sizeof(struct sctp_paramhdr); 1073 ph = mtod(op_err, struct sctp_paramhdr *); 1074 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT); 1075 ph->param_length = htons(SCTP_BUF_LEN(op_err)); 1076 } 1077 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 1078 sctp_abort_an_association(stcb->sctp_ep, stcb, 1079 op_err, SCTP_SO_LOCKED); 1080 goto skip_unlock; 1081 } else { 1082 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 1083 } 1084 } 1085 SCTP_TCB_UNLOCK(stcb); 1086 } 1087skip_unlock: 1088 SCTP_INP_RUNLOCK(inp); 1089 return (0); 1090} 1091 1092/* 1093 * copies a "user" presentable address and removes embedded scope, etc. 1094 * returns 0 on success, 1 on error 1095 */ 1096static uint32_t 1097sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 1098{ 1099#ifdef INET6 1100 struct sockaddr_in6 lsa6; 1101 1102 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 1103 &lsa6); 1104#endif 1105 memcpy(ss, sa, sa->sa_len); 1106 return (0); 1107} 1108 1109 1110 1111/* 1112 * NOTE: assumes addr lock is held 1113 */ 1114static size_t 1115sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1116 struct sctp_tcb *stcb, 1117 size_t limit, 1118 struct sockaddr_storage *sas, 1119 uint32_t vrf_id) 1120{ 1121 struct sctp_ifn *sctp_ifn; 1122 struct sctp_ifa *sctp_ifa; 1123 size_t actual; 1124 int loopback_scope; 1125 1126#if defined(INET) 1127 int ipv4_local_scope, ipv4_addr_legal; 1128 1129#endif 1130#if defined(INET6) 1131 int local_scope, site_scope, ipv6_addr_legal; 1132 1133#endif 1134 struct sctp_vrf *vrf; 1135 1136 actual = 0; 1137 if (limit <= 0) 1138 return (actual); 1139 1140 if (stcb) { 1141 /* Turn on all the appropriate scope */ 1142 loopback_scope = stcb->asoc.scope.loopback_scope; 1143#if defined(INET) 1144 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1145 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1146#endif 1147#if defined(INET6) 1148 local_scope = stcb->asoc.scope.local_scope; 1149 site_scope = stcb->asoc.scope.site_scope; 1150 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1151#endif 1152 } else { 1153 /* Use generic values for endpoints. */ 1154 loopback_scope = 1; 1155#if defined(INET) 1156 ipv4_local_scope = 1; 1157#endif 1158#if defined(INET6) 1159 local_scope = 1; 1160 site_scope = 1; 1161#endif 1162 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1163#if defined(INET6) 1164 ipv6_addr_legal = 1; 1165#endif 1166#if defined(INET) 1167 if (SCTP_IPV6_V6ONLY(inp)) { 1168 ipv4_addr_legal = 0; 1169 } else { 1170 ipv4_addr_legal = 1; 1171 } 1172#endif 1173 } else { 1174#if defined(INET6) 1175 ipv6_addr_legal = 0; 1176#endif 1177#if defined(INET) 1178 ipv4_addr_legal = 1; 1179#endif 1180 } 1181 } 1182 vrf = sctp_find_vrf(vrf_id); 1183 if (vrf == NULL) { 1184 return (0); 1185 } 1186 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1187 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1188 if ((loopback_scope == 0) && 1189 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1190 /* Skip loopback if loopback_scope not set */ 1191 continue; 1192 } 1193 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1194 if (stcb) { 1195 /* 1196 * For the BOUND-ALL case, the list 1197 * associated with a TCB is Always 1198 * considered a reverse list.. i.e. 1199 * it lists addresses that are NOT 1200 * part of the association. If this 1201 * is one of those we must skip it. 1202 */ 1203 if (sctp_is_addr_restricted(stcb, 1204 sctp_ifa)) { 1205 continue; 1206 } 1207 } 1208 switch (sctp_ifa->address.sa.sa_family) { 1209#ifdef INET 1210 case AF_INET: 1211 if (ipv4_addr_legal) { 1212 struct sockaddr_in *sin; 1213 1214 sin = (struct sockaddr_in *)&sctp_ifa->address.sa; 1215 if (sin->sin_addr.s_addr == 0) { 1216 /* 1217 * we skip 1218 * unspecifed 1219 * addresses 1220 */ 1221 continue; 1222 } 1223 if ((ipv4_local_scope == 0) && 1224 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1225 continue; 1226 } 1227#ifdef INET6 1228 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1229 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1230 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1231 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1232 actual += sizeof(struct sockaddr_in6); 1233 } else { 1234#endif 1235 memcpy(sas, sin, sizeof(*sin)); 1236 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1237 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin)); 1238 actual += sizeof(*sin); 1239#ifdef INET6 1240 } 1241#endif 1242 if (actual >= limit) { 1243 return (actual); 1244 } 1245 } else { 1246 continue; 1247 } 1248 break; 1249#endif 1250#ifdef INET6 1251 case AF_INET6: 1252 if (ipv6_addr_legal) { 1253 struct sockaddr_in6 *sin6; 1254 1255 sin6 = (struct sockaddr_in6 *)&sctp_ifa->address.sa; 1256 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1257 /* 1258 * we skip 1259 * unspecifed 1260 * addresses 1261 */ 1262 continue; 1263 } 1264 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1265 if (local_scope == 0) 1266 continue; 1267 if (sin6->sin6_scope_id == 0) { 1268 if (sa6_recoverscope(sin6) != 0) 1269 /* 1270 * 1271 * bad 1272 * 1273 * li 1274 * nk 1275 * 1276 * loc 1277 * al 1278 * 1279 * add 1280 * re 1281 * ss 1282 * */ 1283 continue; 1284 } 1285 } 1286 if ((site_scope == 0) && 1287 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1288 continue; 1289 } 1290 memcpy(sas, sin6, sizeof(*sin6)); 1291 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1292 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6)); 1293 actual += sizeof(*sin6); 1294 if (actual >= limit) { 1295 return (actual); 1296 } 1297 } else { 1298 continue; 1299 } 1300 break; 1301#endif 1302 default: 1303 /* TSNH */ 1304 break; 1305 } 1306 } 1307 } 1308 } else { 1309 struct sctp_laddr *laddr; 1310 1311 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1312 if (stcb) { 1313 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1314 continue; 1315 } 1316 } 1317 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1318 continue; 1319 switch (laddr->ifa->address.sa.sa_family) { 1320#ifdef INET 1321 case AF_INET: 1322 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1323 break; 1324#endif 1325#ifdef INET6 1326 case AF_INET6: 1327 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1328 break; 1329#endif 1330 default: 1331 /* TSNH */ 1332 break; 1333 } 1334 sas = (struct sockaddr_storage *)((caddr_t)sas + 1335 laddr->ifa->address.sa.sa_len); 1336 actual += laddr->ifa->address.sa.sa_len; 1337 if (actual >= limit) { 1338 return (actual); 1339 } 1340 } 1341 } 1342 return (actual); 1343} 1344 1345static size_t 1346sctp_fill_up_addresses(struct sctp_inpcb *inp, 1347 struct sctp_tcb *stcb, 1348 size_t limit, 1349 struct sockaddr_storage *sas) 1350{ 1351 size_t size = 0; 1352 1353 SCTP_IPI_ADDR_RLOCK(); 1354 /* fill up addresses for the endpoint's default vrf */ 1355 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1356 inp->def_vrf_id); 1357 SCTP_IPI_ADDR_RUNLOCK(); 1358 return (size); 1359} 1360 1361/* 1362 * NOTE: assumes addr lock is held 1363 */ 1364static int 1365sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1366{ 1367 int cnt = 0; 1368 struct sctp_vrf *vrf = NULL; 1369 1370 /* 1371 * In both sub-set bound an bound_all cases we return the MAXIMUM 1372 * number of addresses that you COULD get. In reality the sub-set 1373 * bound may have an exclusion list for a given TCB OR in the 1374 * bound-all case a TCB may NOT include the loopback or other 1375 * addresses as well. 1376 */ 1377 vrf = sctp_find_vrf(vrf_id); 1378 if (vrf == NULL) { 1379 return (0); 1380 } 1381 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1382 struct sctp_ifn *sctp_ifn; 1383 struct sctp_ifa *sctp_ifa; 1384 1385 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1386 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1387 /* Count them if they are the right type */ 1388 switch (sctp_ifa->address.sa.sa_family) { 1389#ifdef INET 1390 case AF_INET: 1391 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1392 cnt += sizeof(struct sockaddr_in6); 1393 else 1394 cnt += sizeof(struct sockaddr_in); 1395 break; 1396#endif 1397#ifdef INET6 1398 case AF_INET6: 1399 cnt += sizeof(struct sockaddr_in6); 1400 break; 1401#endif 1402 default: 1403 break; 1404 } 1405 } 1406 } 1407 } else { 1408 struct sctp_laddr *laddr; 1409 1410 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1411 switch (laddr->ifa->address.sa.sa_family) { 1412#ifdef INET 1413 case AF_INET: 1414 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1415 cnt += sizeof(struct sockaddr_in6); 1416 else 1417 cnt += sizeof(struct sockaddr_in); 1418 break; 1419#endif 1420#ifdef INET6 1421 case AF_INET6: 1422 cnt += sizeof(struct sockaddr_in6); 1423 break; 1424#endif 1425 default: 1426 break; 1427 } 1428 } 1429 } 1430 return (cnt); 1431} 1432 1433static int 1434sctp_count_max_addresses(struct sctp_inpcb *inp) 1435{ 1436 int cnt = 0; 1437 1438 SCTP_IPI_ADDR_RLOCK(); 1439 /* count addresses for the endpoint's default VRF */ 1440 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1441 SCTP_IPI_ADDR_RUNLOCK(); 1442 return (cnt); 1443} 1444 1445static int 1446sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1447 size_t optsize, void *p, int delay) 1448{ 1449 int error = 0; 1450 int creat_lock_on = 0; 1451 struct sctp_tcb *stcb = NULL; 1452 struct sockaddr *sa; 1453 int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1454 uint32_t vrf_id; 1455 int bad_addresses = 0; 1456 sctp_assoc_t *a_id; 1457 1458 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1459 1460 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1461 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1462 /* We are already connected AND the TCP model */ 1463 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1464 return (EADDRINUSE); 1465 } 1466 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1467 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1468 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1469 return (EINVAL); 1470 } 1471 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1472 SCTP_INP_RLOCK(inp); 1473 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1474 SCTP_INP_RUNLOCK(inp); 1475 } 1476 if (stcb) { 1477 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1478 return (EALREADY); 1479 } 1480 SCTP_INP_INCR_REF(inp); 1481 SCTP_ASOC_CREATE_LOCK(inp); 1482 creat_lock_on = 1; 1483 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1484 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1485 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1486 error = EFAULT; 1487 goto out_now; 1488 } 1489 totaddrp = (int *)optval; 1490 totaddr = *totaddrp; 1491 sa = (struct sockaddr *)(totaddrp + 1); 1492 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (optsize - sizeof(int)), &bad_addresses); 1493 if ((stcb != NULL) || bad_addresses) { 1494 /* Already have or am bring up an association */ 1495 SCTP_ASOC_CREATE_UNLOCK(inp); 1496 creat_lock_on = 0; 1497 if (stcb) 1498 SCTP_TCB_UNLOCK(stcb); 1499 if (bad_addresses == 0) { 1500 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1501 error = EALREADY; 1502 } 1503 goto out_now; 1504 } 1505#ifdef INET6 1506 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1507 (num_v6 > 0)) { 1508 error = EINVAL; 1509 goto out_now; 1510 } 1511 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1512 (num_v4 > 0)) { 1513 struct in6pcb *inp6; 1514 1515 inp6 = (struct in6pcb *)inp; 1516 if (SCTP_IPV6_V6ONLY(inp6)) { 1517 /* 1518 * if IPV6_V6ONLY flag, ignore connections destined 1519 * to a v4 addr or v4-mapped addr 1520 */ 1521 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1522 error = EINVAL; 1523 goto out_now; 1524 } 1525 } 1526#endif /* INET6 */ 1527 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1528 SCTP_PCB_FLAGS_UNBOUND) { 1529 /* Bind a ephemeral port */ 1530 error = sctp_inpcb_bind(so, NULL, NULL, p); 1531 if (error) { 1532 goto out_now; 1533 } 1534 } 1535 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1536 vrf_id = inp->def_vrf_id; 1537 1538 1539 /* We are GOOD to go */ 1540 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1541 (struct thread *)p 1542 ); 1543 if (stcb == NULL) { 1544 /* Gak! no memory */ 1545 goto out_now; 1546 } 1547 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1548 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1549 /* Set the connected flag so we can queue data */ 1550 soisconnecting(so); 1551 } 1552 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 1553 /* move to second address */ 1554 switch (sa->sa_family) { 1555#ifdef INET 1556 case AF_INET: 1557 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1558 break; 1559#endif 1560#ifdef INET6 1561 case AF_INET6: 1562 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1563 break; 1564#endif 1565 default: 1566 break; 1567 } 1568 1569 error = 0; 1570 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1571 /* Fill in the return id */ 1572 if (error) { 1573 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6); 1574 goto out_now; 1575 } 1576 a_id = (sctp_assoc_t *) optval; 1577 *a_id = sctp_get_associd(stcb); 1578 1579 /* initialize authentication parameters for the assoc */ 1580 sctp_initialize_auth_params(inp, stcb); 1581 1582 if (delay) { 1583 /* doing delayed connection */ 1584 stcb->asoc.delayed_connection = 1; 1585 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1586 } else { 1587 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1588 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1589 } 1590 SCTP_TCB_UNLOCK(stcb); 1591 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1592 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1593 /* Set the connected flag so we can queue data */ 1594 soisconnecting(so); 1595 } 1596out_now: 1597 if (creat_lock_on) { 1598 SCTP_ASOC_CREATE_UNLOCK(inp); 1599 } 1600 SCTP_INP_DECR_REF(inp); 1601 return (error); 1602} 1603 1604#define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1605 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1606 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1607 SCTP_INP_RLOCK(inp); \ 1608 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1609 if (stcb) { \ 1610 SCTP_TCB_LOCK(stcb); \ 1611 } \ 1612 SCTP_INP_RUNLOCK(inp); \ 1613 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1614 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1615 if (stcb == NULL) { \ 1616 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1617 error = ENOENT; \ 1618 break; \ 1619 } \ 1620 } else { \ 1621 stcb = NULL; \ 1622 } \ 1623 } 1624 1625 1626#define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1627 if (size < sizeof(type)) { \ 1628 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1629 error = EINVAL; \ 1630 break; \ 1631 } else { \ 1632 destp = (type *)srcp; \ 1633 } \ 1634 } 1635 1636static int 1637sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1638 void *p) 1639{ 1640 struct sctp_inpcb *inp = NULL; 1641 int error, val = 0; 1642 struct sctp_tcb *stcb = NULL; 1643 1644 if (optval == NULL) { 1645 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1646 return (EINVAL); 1647 } 1648 inp = (struct sctp_inpcb *)so->so_pcb; 1649 if (inp == NULL) { 1650 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1651 return EINVAL; 1652 } 1653 error = 0; 1654 1655 switch (optname) { 1656 case SCTP_NODELAY: 1657 case SCTP_AUTOCLOSE: 1658 case SCTP_EXPLICIT_EOR: 1659 case SCTP_AUTO_ASCONF: 1660 case SCTP_DISABLE_FRAGMENTS: 1661 case SCTP_I_WANT_MAPPED_V4_ADDR: 1662 case SCTP_USE_EXT_RCVINFO: 1663 SCTP_INP_RLOCK(inp); 1664 switch (optname) { 1665 case SCTP_DISABLE_FRAGMENTS: 1666 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1667 break; 1668 case SCTP_I_WANT_MAPPED_V4_ADDR: 1669 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1670 break; 1671 case SCTP_AUTO_ASCONF: 1672 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1673 /* only valid for bound all sockets */ 1674 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1675 } else { 1676 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1677 error = EINVAL; 1678 goto flags_out; 1679 } 1680 break; 1681 case SCTP_EXPLICIT_EOR: 1682 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1683 break; 1684 case SCTP_NODELAY: 1685 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1686 break; 1687 case SCTP_USE_EXT_RCVINFO: 1688 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1689 break; 1690 case SCTP_AUTOCLOSE: 1691 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1692 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1693 else 1694 val = 0; 1695 break; 1696 1697 default: 1698 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1699 error = ENOPROTOOPT; 1700 } /* end switch (sopt->sopt_name) */ 1701 if (*optsize < sizeof(val)) { 1702 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1703 error = EINVAL; 1704 } 1705flags_out: 1706 SCTP_INP_RUNLOCK(inp); 1707 if (error == 0) { 1708 /* return the option value */ 1709 *(int *)optval = val; 1710 *optsize = sizeof(val); 1711 } 1712 break; 1713 case SCTP_GET_PACKET_LOG: 1714 { 1715#ifdef SCTP_PACKET_LOGGING 1716 uint8_t *target; 1717 int ret; 1718 1719 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1720 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1721 *optsize = ret; 1722#else 1723 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1724 error = EOPNOTSUPP; 1725#endif 1726 break; 1727 } 1728 case SCTP_REUSE_PORT: 1729 { 1730 uint32_t *value; 1731 1732 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1733 /* Can't do this for a 1-m socket */ 1734 error = EINVAL; 1735 break; 1736 } 1737 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1738 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1739 *optsize = sizeof(uint32_t); 1740 break; 1741 } 1742 case SCTP_PARTIAL_DELIVERY_POINT: 1743 { 1744 uint32_t *value; 1745 1746 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1747 *value = inp->partial_delivery_point; 1748 *optsize = sizeof(uint32_t); 1749 break; 1750 } 1751 case SCTP_FRAGMENT_INTERLEAVE: 1752 { 1753 uint32_t *value; 1754 1755 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1756 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1757 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1758 *value = SCTP_FRAG_LEVEL_2; 1759 } else { 1760 *value = SCTP_FRAG_LEVEL_1; 1761 } 1762 } else { 1763 *value = SCTP_FRAG_LEVEL_0; 1764 } 1765 *optsize = sizeof(uint32_t); 1766 break; 1767 } 1768 case SCTP_CMT_ON_OFF: 1769 { 1770 struct sctp_assoc_value *av; 1771 1772 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1773 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1774 if (stcb) { 1775 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1776 SCTP_TCB_UNLOCK(stcb); 1777 } else { 1778 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1779 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1780 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1781 SCTP_INP_RLOCK(inp); 1782 av->assoc_value = inp->sctp_cmt_on_off; 1783 SCTP_INP_RUNLOCK(inp); 1784 } else { 1785 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1786 error = EINVAL; 1787 } 1788 } 1789 if (error == 0) { 1790 *optsize = sizeof(struct sctp_assoc_value); 1791 } 1792 break; 1793 } 1794 case SCTP_PLUGGABLE_CC: 1795 { 1796 struct sctp_assoc_value *av; 1797 1798 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1799 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1800 if (stcb) { 1801 av->assoc_value = stcb->asoc.congestion_control_module; 1802 SCTP_TCB_UNLOCK(stcb); 1803 } else { 1804 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1805 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1806 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1807 SCTP_INP_RLOCK(inp); 1808 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1809 SCTP_INP_RUNLOCK(inp); 1810 } else { 1811 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1812 error = EINVAL; 1813 } 1814 } 1815 if (error == 0) { 1816 *optsize = sizeof(struct sctp_assoc_value); 1817 } 1818 break; 1819 } 1820 case SCTP_CC_OPTION: 1821 { 1822 struct sctp_cc_option *cc_opt; 1823 1824 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1825 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1826 if (stcb == NULL) { 1827 error = EINVAL; 1828 } else { 1829 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1830 error = ENOTSUP; 1831 } else { 1832 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1833 *optsize = sizeof(struct sctp_cc_option); 1834 } 1835 SCTP_TCB_UNLOCK(stcb); 1836 } 1837 break; 1838 } 1839 case SCTP_PLUGGABLE_SS: 1840 { 1841 struct sctp_assoc_value *av; 1842 1843 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1844 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1845 if (stcb) { 1846 av->assoc_value = stcb->asoc.stream_scheduling_module; 1847 SCTP_TCB_UNLOCK(stcb); 1848 } else { 1849 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1850 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1851 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1852 SCTP_INP_RLOCK(inp); 1853 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1854 SCTP_INP_RUNLOCK(inp); 1855 } else { 1856 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1857 error = EINVAL; 1858 } 1859 } 1860 if (error == 0) { 1861 *optsize = sizeof(struct sctp_assoc_value); 1862 } 1863 break; 1864 } 1865 case SCTP_SS_VALUE: 1866 { 1867 struct sctp_stream_value *av; 1868 1869 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1870 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1871 if (stcb) { 1872 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 1873 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1874 &av->stream_value) < 0)) { 1875 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1876 error = EINVAL; 1877 } else { 1878 *optsize = sizeof(struct sctp_stream_value); 1879 } 1880 SCTP_TCB_UNLOCK(stcb); 1881 } else { 1882 /* 1883 * Can't get stream value without 1884 * association 1885 */ 1886 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1887 error = EINVAL; 1888 } 1889 break; 1890 } 1891 case SCTP_GET_ADDR_LEN: 1892 { 1893 struct sctp_assoc_value *av; 1894 1895 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1896 error = EINVAL; 1897#ifdef INET 1898 if (av->assoc_value == AF_INET) { 1899 av->assoc_value = sizeof(struct sockaddr_in); 1900 error = 0; 1901 } 1902#endif 1903#ifdef INET6 1904 if (av->assoc_value == AF_INET6) { 1905 av->assoc_value = sizeof(struct sockaddr_in6); 1906 error = 0; 1907 } 1908#endif 1909 if (error) { 1910 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1911 } else { 1912 *optsize = sizeof(struct sctp_assoc_value); 1913 } 1914 break; 1915 } 1916 case SCTP_GET_ASSOC_NUMBER: 1917 { 1918 uint32_t *value, cnt; 1919 1920 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1921 cnt = 0; 1922 SCTP_INP_RLOCK(inp); 1923 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1924 cnt++; 1925 } 1926 SCTP_INP_RUNLOCK(inp); 1927 *value = cnt; 1928 *optsize = sizeof(uint32_t); 1929 break; 1930 } 1931 case SCTP_GET_ASSOC_ID_LIST: 1932 { 1933 struct sctp_assoc_ids *ids; 1934 unsigned int at, limit; 1935 1936 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1937 at = 0; 1938 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1939 SCTP_INP_RLOCK(inp); 1940 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1941 if (at < limit) { 1942 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1943 } else { 1944 error = EINVAL; 1945 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1946 break; 1947 } 1948 } 1949 SCTP_INP_RUNLOCK(inp); 1950 if (error == 0) { 1951 ids->gaids_number_of_ids = at; 1952 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1953 } 1954 break; 1955 } 1956 case SCTP_CONTEXT: 1957 { 1958 struct sctp_assoc_value *av; 1959 1960 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1961 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1962 1963 if (stcb) { 1964 av->assoc_value = stcb->asoc.context; 1965 SCTP_TCB_UNLOCK(stcb); 1966 } else { 1967 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1968 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1969 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1970 SCTP_INP_RLOCK(inp); 1971 av->assoc_value = inp->sctp_context; 1972 SCTP_INP_RUNLOCK(inp); 1973 } else { 1974 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1975 error = EINVAL; 1976 } 1977 } 1978 if (error == 0) { 1979 *optsize = sizeof(struct sctp_assoc_value); 1980 } 1981 break; 1982 } 1983 case SCTP_VRF_ID: 1984 { 1985 uint32_t *default_vrfid; 1986 1987 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1988 *default_vrfid = inp->def_vrf_id; 1989 *optsize = sizeof(uint32_t); 1990 break; 1991 } 1992 case SCTP_GET_ASOC_VRF: 1993 { 1994 struct sctp_assoc_value *id; 1995 1996 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1997 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1998 if (stcb == NULL) { 1999 error = EINVAL; 2000 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2001 } else { 2002 id->assoc_value = stcb->asoc.vrf_id; 2003 *optsize = sizeof(struct sctp_assoc_value); 2004 } 2005 break; 2006 } 2007 case SCTP_GET_VRF_IDS: 2008 { 2009 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 2010 error = EOPNOTSUPP; 2011 break; 2012 } 2013 case SCTP_GET_NONCE_VALUES: 2014 { 2015 struct sctp_get_nonce_values *gnv; 2016 2017 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 2018 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 2019 2020 if (stcb) { 2021 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 2022 gnv->gn_local_tag = stcb->asoc.my_vtag; 2023 SCTP_TCB_UNLOCK(stcb); 2024 *optsize = sizeof(struct sctp_get_nonce_values); 2025 } else { 2026 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2027 error = ENOTCONN; 2028 } 2029 break; 2030 } 2031 case SCTP_DELAYED_SACK: 2032 { 2033 struct sctp_sack_info *sack; 2034 2035 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 2036 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 2037 if (stcb) { 2038 sack->sack_delay = stcb->asoc.delayed_ack; 2039 sack->sack_freq = stcb->asoc.sack_freq; 2040 SCTP_TCB_UNLOCK(stcb); 2041 } else { 2042 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2043 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2044 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) { 2045 SCTP_INP_RLOCK(inp); 2046 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2047 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2048 SCTP_INP_RUNLOCK(inp); 2049 } else { 2050 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2051 error = EINVAL; 2052 } 2053 } 2054 if (error == 0) { 2055 *optsize = sizeof(struct sctp_sack_info); 2056 } 2057 break; 2058 } 2059 case SCTP_GET_SNDBUF_USE: 2060 { 2061 struct sctp_sockstat *ss; 2062 2063 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2064 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2065 2066 if (stcb) { 2067 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2068 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2069 stcb->asoc.size_on_all_streams); 2070 SCTP_TCB_UNLOCK(stcb); 2071 *optsize = sizeof(struct sctp_sockstat); 2072 } else { 2073 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2074 error = ENOTCONN; 2075 } 2076 break; 2077 } 2078 case SCTP_MAX_BURST: 2079 { 2080 struct sctp_assoc_value *av; 2081 2082 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2083 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2084 2085 if (stcb) { 2086 av->assoc_value = stcb->asoc.max_burst; 2087 SCTP_TCB_UNLOCK(stcb); 2088 } else { 2089 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2090 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2091 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2092 SCTP_INP_RLOCK(inp); 2093 av->assoc_value = inp->sctp_ep.max_burst; 2094 SCTP_INP_RUNLOCK(inp); 2095 } else { 2096 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2097 error = EINVAL; 2098 } 2099 } 2100 if (error == 0) { 2101 *optsize = sizeof(struct sctp_assoc_value); 2102 } 2103 break; 2104 } 2105 case SCTP_MAXSEG: 2106 { 2107 struct sctp_assoc_value *av; 2108 int ovh; 2109 2110 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2111 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2112 2113 if (stcb) { 2114 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2115 SCTP_TCB_UNLOCK(stcb); 2116 } else { 2117 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2118 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2119 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2120 SCTP_INP_RLOCK(inp); 2121 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2122 ovh = SCTP_MED_OVERHEAD; 2123 } else { 2124 ovh = SCTP_MED_V4_OVERHEAD; 2125 } 2126 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2127 av->assoc_value = 0; 2128 else 2129 av->assoc_value = inp->sctp_frag_point - ovh; 2130 SCTP_INP_RUNLOCK(inp); 2131 } else { 2132 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2133 error = EINVAL; 2134 } 2135 } 2136 if (error == 0) { 2137 *optsize = sizeof(struct sctp_assoc_value); 2138 } 2139 break; 2140 } 2141 case SCTP_GET_STAT_LOG: 2142 error = sctp_fill_stat_log(optval, optsize); 2143 break; 2144 case SCTP_EVENTS: 2145 { 2146 struct sctp_event_subscribe *events; 2147 2148 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2149 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2150 SCTP_INP_RLOCK(inp); 2151 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2152 events->sctp_data_io_event = 1; 2153 2154 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2155 events->sctp_association_event = 1; 2156 2157 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2158 events->sctp_address_event = 1; 2159 2160 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2161 events->sctp_send_failure_event = 1; 2162 2163 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2164 events->sctp_peer_error_event = 1; 2165 2166 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2167 events->sctp_shutdown_event = 1; 2168 2169 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2170 events->sctp_partial_delivery_event = 1; 2171 2172 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2173 events->sctp_adaptation_layer_event = 1; 2174 2175 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2176 events->sctp_authentication_event = 1; 2177 2178 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2179 events->sctp_sender_dry_event = 1; 2180 2181 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2182 events->sctp_stream_reset_event = 1; 2183 SCTP_INP_RUNLOCK(inp); 2184 *optsize = sizeof(struct sctp_event_subscribe); 2185 break; 2186 } 2187 case SCTP_ADAPTATION_LAYER: 2188 { 2189 uint32_t *value; 2190 2191 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2192 2193 SCTP_INP_RLOCK(inp); 2194 *value = inp->sctp_ep.adaptation_layer_indicator; 2195 SCTP_INP_RUNLOCK(inp); 2196 *optsize = sizeof(uint32_t); 2197 break; 2198 } 2199 case SCTP_SET_INITIAL_DBG_SEQ: 2200 { 2201 uint32_t *value; 2202 2203 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2204 SCTP_INP_RLOCK(inp); 2205 *value = inp->sctp_ep.initial_sequence_debug; 2206 SCTP_INP_RUNLOCK(inp); 2207 *optsize = sizeof(uint32_t); 2208 break; 2209 } 2210 case SCTP_GET_LOCAL_ADDR_SIZE: 2211 { 2212 uint32_t *value; 2213 2214 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2215 SCTP_INP_RLOCK(inp); 2216 *value = sctp_count_max_addresses(inp); 2217 SCTP_INP_RUNLOCK(inp); 2218 *optsize = sizeof(uint32_t); 2219 break; 2220 } 2221 case SCTP_GET_REMOTE_ADDR_SIZE: 2222 { 2223 uint32_t *value; 2224 size_t size; 2225 struct sctp_nets *net; 2226 2227 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2228 /* FIXME MT: change to sctp_assoc_value? */ 2229 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 2230 2231 if (stcb) { 2232 size = 0; 2233 /* Count the sizes */ 2234 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2235 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2236 size += sizeof(struct sockaddr_in6); 2237 } else { 2238 switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) { 2239#ifdef INET 2240 case AF_INET: 2241 size += sizeof(struct sockaddr_in); 2242 break; 2243#endif 2244#ifdef INET6 2245 case AF_INET6: 2246 size += sizeof(struct sockaddr_in6); 2247 break; 2248#endif 2249 default: 2250 break; 2251 } 2252 } 2253 } 2254 SCTP_TCB_UNLOCK(stcb); 2255 *value = (uint32_t) size; 2256 *optsize = sizeof(uint32_t); 2257 } else { 2258 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2259 error = ENOTCONN; 2260 } 2261 break; 2262 } 2263 case SCTP_GET_PEER_ADDRESSES: 2264 /* 2265 * Get the address information, an array is passed in to 2266 * fill up we pack it. 2267 */ 2268 { 2269 size_t cpsz, left; 2270 struct sockaddr_storage *sas; 2271 struct sctp_nets *net; 2272 struct sctp_getaddresses *saddr; 2273 2274 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2275 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2276 2277 if (stcb) { 2278 left = (*optsize) - sizeof(struct sctp_getaddresses); 2279 *optsize = sizeof(struct sctp_getaddresses); 2280 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2281 2282 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2283 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2284 cpsz = sizeof(struct sockaddr_in6); 2285 } else { 2286 switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) { 2287#ifdef INET 2288 case AF_INET: 2289 cpsz = sizeof(struct sockaddr_in); 2290 break; 2291#endif 2292#ifdef INET6 2293 case AF_INET6: 2294 cpsz = sizeof(struct sockaddr_in6); 2295 break; 2296#endif 2297 default: 2298 cpsz = 0; 2299 break; 2300 } 2301 } 2302 if (cpsz == 0) { 2303 break; 2304 } 2305 if (left < cpsz) { 2306 /* not enough room. */ 2307 break; 2308 } 2309#if defined(INET) && defined(INET6) 2310 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2311 (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET)) { 2312 /* Must map the address */ 2313 in6_sin_2_v4mapsin6((struct sockaddr_in *)&net->ro._l_addr, 2314 (struct sockaddr_in6 *)sas); 2315 } else { 2316#endif 2317 memcpy(sas, &net->ro._l_addr, cpsz); 2318#if defined(INET) && defined(INET6) 2319 } 2320#endif 2321 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2322 2323 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2324 left -= cpsz; 2325 *optsize += cpsz; 2326 } 2327 SCTP_TCB_UNLOCK(stcb); 2328 } else { 2329 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2330 error = ENOENT; 2331 } 2332 break; 2333 } 2334 case SCTP_GET_LOCAL_ADDRESSES: 2335 { 2336 size_t limit, actual; 2337 struct sockaddr_storage *sas; 2338 struct sctp_getaddresses *saddr; 2339 2340 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2341 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2342 2343 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2344 limit = *optsize - sizeof(sctp_assoc_t); 2345 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2346 if (stcb) { 2347 SCTP_TCB_UNLOCK(stcb); 2348 } 2349 *optsize = sizeof(struct sockaddr_storage) + actual; 2350 break; 2351 } 2352 case SCTP_PEER_ADDR_PARAMS: 2353 { 2354 struct sctp_paddrparams *paddrp; 2355 struct sctp_nets *net; 2356 2357 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2358 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2359 2360 net = NULL; 2361 if (stcb) { 2362 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 2363 } else { 2364 /* 2365 * We increment here since 2366 * sctp_findassociation_ep_addr() wil do a 2367 * decrement if it finds the stcb as long as 2368 * the locked tcb (last argument) is NOT a 2369 * TCB.. aka NULL. 2370 */ 2371 SCTP_INP_INCR_REF(inp); 2372 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddrp->spp_address, &net, NULL, NULL); 2373 if (stcb == NULL) { 2374 SCTP_INP_DECR_REF(inp); 2375 } 2376 } 2377 if (stcb && (net == NULL)) { 2378 struct sockaddr *sa; 2379 2380 sa = (struct sockaddr *)&paddrp->spp_address; 2381#ifdef INET 2382 if (sa->sa_family == AF_INET) { 2383 struct sockaddr_in *sin; 2384 2385 sin = (struct sockaddr_in *)sa; 2386 if (sin->sin_addr.s_addr) { 2387 error = EINVAL; 2388 SCTP_TCB_UNLOCK(stcb); 2389 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2390 break; 2391 } 2392 } else 2393#endif 2394#ifdef INET6 2395 if (sa->sa_family == AF_INET6) { 2396 struct sockaddr_in6 *sin6; 2397 2398 sin6 = (struct sockaddr_in6 *)sa; 2399 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2400 error = EINVAL; 2401 SCTP_TCB_UNLOCK(stcb); 2402 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2403 break; 2404 } 2405 } else 2406#endif 2407 { 2408 error = EAFNOSUPPORT; 2409 SCTP_TCB_UNLOCK(stcb); 2410 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2411 break; 2412 } 2413 } 2414 if (stcb) { 2415 /* Applies to the specific association */ 2416 paddrp->spp_flags = 0; 2417 if (net) { 2418 int ovh; 2419 2420 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2421 ovh = SCTP_MED_OVERHEAD; 2422 } else { 2423 ovh = SCTP_MED_V4_OVERHEAD; 2424 } 2425 2426 paddrp->spp_hbinterval = net->heart_beat_delay; 2427 paddrp->spp_pathmaxrxt = net->failure_threshold; 2428 paddrp->spp_pathmtu = net->mtu - ovh; 2429 /* get flags for HB */ 2430 if (net->dest_state & SCTP_ADDR_NOHB) { 2431 paddrp->spp_flags |= SPP_HB_DISABLE; 2432 } else { 2433 paddrp->spp_flags |= SPP_HB_ENABLE; 2434 } 2435 /* get flags for PMTU */ 2436 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2437 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2438 } else { 2439 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2440 } 2441 if (net->dscp & 0x01) { 2442 paddrp->spp_dscp = net->dscp & 0xfc; 2443 paddrp->spp_flags |= SPP_DSCP; 2444 } 2445#ifdef INET6 2446 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2447 (net->flowlabel & 0x80000000)) { 2448 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2449 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2450 } 2451#endif 2452 } else { 2453 /* 2454 * No destination so return default 2455 * value 2456 */ 2457 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2458 paddrp->spp_pathmtu = sctp_get_frag_point(stcb, &stcb->asoc); 2459 if (stcb->asoc.default_dscp & 0x01) { 2460 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2461 paddrp->spp_flags |= SPP_DSCP; 2462 } 2463#ifdef INET6 2464 if (stcb->asoc.default_flowlabel & 0x80000000) { 2465 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2466 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2467 } 2468#endif 2469 /* default settings should be these */ 2470 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2471 paddrp->spp_flags |= SPP_HB_DISABLE; 2472 } else { 2473 paddrp->spp_flags |= SPP_HB_ENABLE; 2474 } 2475 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2476 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2477 } else { 2478 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2479 } 2480 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2481 } 2482 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2483 SCTP_TCB_UNLOCK(stcb); 2484 } else { 2485 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2486 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2487 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 2488 /* Use endpoint defaults */ 2489 SCTP_INP_RLOCK(inp); 2490 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2491 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2492 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2493 /* get inp's default */ 2494 if (inp->sctp_ep.default_dscp & 0x01) { 2495 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2496 paddrp->spp_flags |= SPP_DSCP; 2497 } 2498#ifdef INET6 2499 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2500 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2501 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2502 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2503 } 2504#endif 2505 /* can't return this */ 2506 paddrp->spp_pathmtu = 0; 2507 2508 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2509 paddrp->spp_flags |= SPP_HB_ENABLE; 2510 } else { 2511 paddrp->spp_flags |= SPP_HB_DISABLE; 2512 } 2513 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2514 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2515 } else { 2516 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2517 } 2518 SCTP_INP_RUNLOCK(inp); 2519 } else { 2520 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2521 error = EINVAL; 2522 } 2523 } 2524 if (error == 0) { 2525 *optsize = sizeof(struct sctp_paddrparams); 2526 } 2527 break; 2528 } 2529 case SCTP_GET_PEER_ADDR_INFO: 2530 { 2531 struct sctp_paddrinfo *paddri; 2532 struct sctp_nets *net; 2533 2534 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2535 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2536 2537 net = NULL; 2538 if (stcb) { 2539 net = sctp_findnet(stcb, (struct sockaddr *)&paddri->spinfo_address); 2540 } else { 2541 /* 2542 * We increment here since 2543 * sctp_findassociation_ep_addr() wil do a 2544 * decrement if it finds the stcb as long as 2545 * the locked tcb (last argument) is NOT a 2546 * TCB.. aka NULL. 2547 */ 2548 SCTP_INP_INCR_REF(inp); 2549 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddri->spinfo_address, &net, NULL, NULL); 2550 if (stcb == NULL) { 2551 SCTP_INP_DECR_REF(inp); 2552 } 2553 } 2554 2555 if ((stcb) && (net)) { 2556 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2557 /* It's unconfirmed */ 2558 paddri->spinfo_state = SCTP_UNCONFIRMED; 2559 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2560 /* It's active */ 2561 paddri->spinfo_state = SCTP_ACTIVE; 2562 } else { 2563 /* It's inactive */ 2564 paddri->spinfo_state = SCTP_INACTIVE; 2565 } 2566 paddri->spinfo_cwnd = net->cwnd; 2567 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2568 paddri->spinfo_rto = net->RTO; 2569 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2570 paddri->spinfo_mtu = net->mtu; 2571 SCTP_TCB_UNLOCK(stcb); 2572 *optsize = sizeof(struct sctp_paddrinfo); 2573 } else { 2574 if (stcb) { 2575 SCTP_TCB_UNLOCK(stcb); 2576 } 2577 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2578 error = ENOENT; 2579 } 2580 break; 2581 } 2582 case SCTP_PCB_STATUS: 2583 { 2584 struct sctp_pcbinfo *spcb; 2585 2586 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2587 sctp_fill_pcbinfo(spcb); 2588 *optsize = sizeof(struct sctp_pcbinfo); 2589 break; 2590 } 2591 case SCTP_STATUS: 2592 { 2593 struct sctp_nets *net; 2594 struct sctp_status *sstat; 2595 2596 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2597 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2598 2599 if (stcb == NULL) { 2600 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2601 error = EINVAL; 2602 break; 2603 } 2604 /* 2605 * I think passing the state is fine since 2606 * sctp_constants.h will be available to the user 2607 * land. 2608 */ 2609 sstat->sstat_state = stcb->asoc.state; 2610 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2611 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2612 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2613 /* 2614 * We can't include chunks that have been passed to 2615 * the socket layer. Only things in queue. 2616 */ 2617 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2618 stcb->asoc.cnt_on_all_streams); 2619 2620 2621 sstat->sstat_instrms = stcb->asoc.streamincnt; 2622 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2623 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2624 memcpy(&sstat->sstat_primary.spinfo_address, 2625 &stcb->asoc.primary_destination->ro._l_addr, 2626 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2627 net = stcb->asoc.primary_destination; 2628 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2629 /* 2630 * Again the user can get info from sctp_constants.h 2631 * for what the state of the network is. 2632 */ 2633 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2634 /* It's unconfirmed */ 2635 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2636 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2637 /* It's active */ 2638 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2639 } else { 2640 /* It's inactive */ 2641 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2642 } 2643 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2644 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2645 sstat->sstat_primary.spinfo_rto = net->RTO; 2646 sstat->sstat_primary.spinfo_mtu = net->mtu; 2647 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2648 SCTP_TCB_UNLOCK(stcb); 2649 *optsize = sizeof(struct sctp_status); 2650 break; 2651 } 2652 case SCTP_RTOINFO: 2653 { 2654 struct sctp_rtoinfo *srto; 2655 2656 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2657 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2658 2659 if (stcb) { 2660 srto->srto_initial = stcb->asoc.initial_rto; 2661 srto->srto_max = stcb->asoc.maxrto; 2662 srto->srto_min = stcb->asoc.minrto; 2663 SCTP_TCB_UNLOCK(stcb); 2664 } else { 2665 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2666 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2667 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2668 SCTP_INP_RLOCK(inp); 2669 srto->srto_initial = inp->sctp_ep.initial_rto; 2670 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2671 srto->srto_min = inp->sctp_ep.sctp_minrto; 2672 SCTP_INP_RUNLOCK(inp); 2673 } else { 2674 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2675 error = EINVAL; 2676 } 2677 } 2678 if (error == 0) { 2679 *optsize = sizeof(struct sctp_rtoinfo); 2680 } 2681 break; 2682 } 2683 case SCTP_TIMEOUTS: 2684 { 2685 struct sctp_timeouts *stimo; 2686 2687 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2688 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2689 2690 if (stcb) { 2691 stimo->stimo_init = stcb->asoc.timoinit; 2692 stimo->stimo_data = stcb->asoc.timodata; 2693 stimo->stimo_sack = stcb->asoc.timosack; 2694 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2695 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2696 stimo->stimo_cookie = stcb->asoc.timocookie; 2697 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2698 SCTP_TCB_UNLOCK(stcb); 2699 *optsize = sizeof(struct sctp_timeouts); 2700 } else { 2701 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2702 error = EINVAL; 2703 } 2704 break; 2705 } 2706 case SCTP_ASSOCINFO: 2707 { 2708 struct sctp_assocparams *sasoc; 2709 2710 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2711 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2712 2713 if (stcb) { 2714 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2715 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2716 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2717 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2718 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2719 SCTP_TCB_UNLOCK(stcb); 2720 } else { 2721 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2722 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2723 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2724 SCTP_INP_RLOCK(inp); 2725 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2726 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2727 sasoc->sasoc_number_peer_destinations = 0; 2728 sasoc->sasoc_peer_rwnd = 0; 2729 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2730 SCTP_INP_RUNLOCK(inp); 2731 } else { 2732 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2733 error = EINVAL; 2734 } 2735 } 2736 if (error == 0) { 2737 *optsize = sizeof(struct sctp_assocparams); 2738 } 2739 break; 2740 } 2741 case SCTP_DEFAULT_SEND_PARAM: 2742 { 2743 struct sctp_sndrcvinfo *s_info; 2744 2745 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2746 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2747 2748 if (stcb) { 2749 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2750 SCTP_TCB_UNLOCK(stcb); 2751 } else { 2752 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2753 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2754 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2755 SCTP_INP_RLOCK(inp); 2756 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2757 SCTP_INP_RUNLOCK(inp); 2758 } else { 2759 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2760 error = EINVAL; 2761 } 2762 } 2763 if (error == 0) { 2764 *optsize = sizeof(struct sctp_sndrcvinfo); 2765 } 2766 break; 2767 } 2768 case SCTP_INITMSG: 2769 { 2770 struct sctp_initmsg *sinit; 2771 2772 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2773 SCTP_INP_RLOCK(inp); 2774 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2775 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2776 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2777 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2778 SCTP_INP_RUNLOCK(inp); 2779 *optsize = sizeof(struct sctp_initmsg); 2780 break; 2781 } 2782 case SCTP_PRIMARY_ADDR: 2783 /* we allow a "get" operation on this */ 2784 { 2785 struct sctp_setprim *ssp; 2786 2787 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2788 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2789 2790 if (stcb) { 2791 /* simply copy out the sockaddr_storage... */ 2792 int len; 2793 2794 len = *optsize; 2795 if (len > stcb->asoc.primary_destination->ro._l_addr.sa.sa_len) 2796 len = stcb->asoc.primary_destination->ro._l_addr.sa.sa_len; 2797 2798 memcpy(&ssp->ssp_addr, 2799 &stcb->asoc.primary_destination->ro._l_addr, 2800 len); 2801 SCTP_TCB_UNLOCK(stcb); 2802 *optsize = sizeof(struct sctp_setprim); 2803 } else { 2804 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2805 error = EINVAL; 2806 } 2807 break; 2808 } 2809 case SCTP_HMAC_IDENT: 2810 { 2811 struct sctp_hmacalgo *shmac; 2812 sctp_hmaclist_t *hmaclist; 2813 uint32_t size; 2814 int i; 2815 2816 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2817 2818 SCTP_INP_RLOCK(inp); 2819 hmaclist = inp->sctp_ep.local_hmacs; 2820 if (hmaclist == NULL) { 2821 /* no HMACs to return */ 2822 *optsize = sizeof(*shmac); 2823 SCTP_INP_RUNLOCK(inp); 2824 break; 2825 } 2826 /* is there room for all of the hmac ids? */ 2827 size = sizeof(*shmac) + (hmaclist->num_algo * 2828 sizeof(shmac->shmac_idents[0])); 2829 if ((size_t)(*optsize) < size) { 2830 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2831 error = EINVAL; 2832 SCTP_INP_RUNLOCK(inp); 2833 break; 2834 } 2835 /* copy in the list */ 2836 shmac->shmac_number_of_idents = hmaclist->num_algo; 2837 for (i = 0; i < hmaclist->num_algo; i++) { 2838 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2839 } 2840 SCTP_INP_RUNLOCK(inp); 2841 *optsize = size; 2842 break; 2843 } 2844 case SCTP_AUTH_ACTIVE_KEY: 2845 { 2846 struct sctp_authkeyid *scact; 2847 2848 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2849 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2850 2851 if (stcb) { 2852 /* get the active key on the assoc */ 2853 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2854 SCTP_TCB_UNLOCK(stcb); 2855 } else { 2856 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2857 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2858 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2859 /* get the endpoint active key */ 2860 SCTP_INP_RLOCK(inp); 2861 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2862 SCTP_INP_RUNLOCK(inp); 2863 } else { 2864 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2865 error = EINVAL; 2866 } 2867 } 2868 if (error == 0) { 2869 *optsize = sizeof(struct sctp_authkeyid); 2870 } 2871 break; 2872 } 2873 case SCTP_LOCAL_AUTH_CHUNKS: 2874 { 2875 struct sctp_authchunks *sac; 2876 sctp_auth_chklist_t *chklist = NULL; 2877 size_t size = 0; 2878 2879 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2880 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2881 2882 if (stcb) { 2883 /* get off the assoc */ 2884 chklist = stcb->asoc.local_auth_chunks; 2885 /* is there enough space? */ 2886 size = sctp_auth_get_chklist_size(chklist); 2887 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2888 error = EINVAL; 2889 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2890 } else { 2891 /* copy in the chunks */ 2892 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2893 sac->gauth_number_of_chunks = (uint32_t) size; 2894 *optsize = sizeof(struct sctp_authchunks) + size; 2895 } 2896 SCTP_TCB_UNLOCK(stcb); 2897 } else { 2898 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2899 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2900 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 2901 /* get off the endpoint */ 2902 SCTP_INP_RLOCK(inp); 2903 chklist = inp->sctp_ep.local_auth_chunks; 2904 /* is there enough space? */ 2905 size = sctp_auth_get_chklist_size(chklist); 2906 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2907 error = EINVAL; 2908 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2909 } else { 2910 /* copy in the chunks */ 2911 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2912 sac->gauth_number_of_chunks = (uint32_t) size; 2913 *optsize = sizeof(struct sctp_authchunks) + size; 2914 } 2915 SCTP_INP_RUNLOCK(inp); 2916 } else { 2917 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2918 error = EINVAL; 2919 } 2920 } 2921 break; 2922 } 2923 case SCTP_PEER_AUTH_CHUNKS: 2924 { 2925 struct sctp_authchunks *sac; 2926 sctp_auth_chklist_t *chklist = NULL; 2927 size_t size = 0; 2928 2929 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2930 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2931 2932 if (stcb) { 2933 /* get off the assoc */ 2934 chklist = stcb->asoc.peer_auth_chunks; 2935 /* is there enough space? */ 2936 size = sctp_auth_get_chklist_size(chklist); 2937 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2938 error = EINVAL; 2939 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2940 } else { 2941 /* copy in the chunks */ 2942 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2943 sac->gauth_number_of_chunks = (uint32_t) size; 2944 *optsize = sizeof(struct sctp_authchunks) + size; 2945 } 2946 SCTP_TCB_UNLOCK(stcb); 2947 } else { 2948 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2949 error = ENOENT; 2950 } 2951 break; 2952 } 2953 case SCTP_EVENT: 2954 { 2955 struct sctp_event *event; 2956 uint32_t event_type; 2957 2958 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 2959 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 2960 2961 switch (event->se_type) { 2962 case SCTP_ASSOC_CHANGE: 2963 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 2964 break; 2965 case SCTP_PEER_ADDR_CHANGE: 2966 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 2967 break; 2968 case SCTP_REMOTE_ERROR: 2969 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 2970 break; 2971 case SCTP_SEND_FAILED: 2972 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 2973 break; 2974 case SCTP_SHUTDOWN_EVENT: 2975 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 2976 break; 2977 case SCTP_ADAPTATION_INDICATION: 2978 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 2979 break; 2980 case SCTP_PARTIAL_DELIVERY_EVENT: 2981 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 2982 break; 2983 case SCTP_AUTHENTICATION_EVENT: 2984 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 2985 break; 2986 case SCTP_STREAM_RESET_EVENT: 2987 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 2988 break; 2989 case SCTP_SENDER_DRY_EVENT: 2990 event_type = SCTP_PCB_FLAGS_DRYEVNT; 2991 break; 2992 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 2993 event_type = 0; 2994 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 2995 error = ENOTSUP; 2996 break; 2997 case SCTP_ASSOC_RESET_EVENT: 2998 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 2999 break; 3000 case SCTP_STREAM_CHANGE_EVENT: 3001 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3002 break; 3003 case SCTP_SEND_FAILED_EVENT: 3004 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3005 break; 3006 default: 3007 event_type = 0; 3008 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3009 error = EINVAL; 3010 break; 3011 } 3012 if (event_type > 0) { 3013 if (stcb) { 3014 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3015 SCTP_TCB_UNLOCK(stcb); 3016 } else { 3017 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3018 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3019 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 3020 SCTP_INP_RLOCK(inp); 3021 event->se_on = sctp_is_feature_on(inp, event_type); 3022 SCTP_INP_RUNLOCK(inp); 3023 } else { 3024 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3025 error = EINVAL; 3026 } 3027 } 3028 } 3029 if (error == 0) { 3030 *optsize = sizeof(struct sctp_event); 3031 } 3032 break; 3033 } 3034 case SCTP_RECVRCVINFO: 3035 { 3036 int onoff; 3037 3038 if (*optsize < sizeof(int)) { 3039 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3040 error = EINVAL; 3041 } else { 3042 SCTP_INP_RLOCK(inp); 3043 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3044 SCTP_INP_RUNLOCK(inp); 3045 } 3046 if (error == 0) { 3047 /* return the option value */ 3048 *(int *)optval = onoff; 3049 *optsize = sizeof(int); 3050 } 3051 break; 3052 } 3053 case SCTP_RECVNXTINFO: 3054 { 3055 int onoff; 3056 3057 if (*optsize < sizeof(int)) { 3058 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3059 error = EINVAL; 3060 } else { 3061 SCTP_INP_RLOCK(inp); 3062 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3063 SCTP_INP_RUNLOCK(inp); 3064 } 3065 if (error == 0) { 3066 /* return the option value */ 3067 *(int *)optval = onoff; 3068 *optsize = sizeof(int); 3069 } 3070 break; 3071 } 3072 case SCTP_DEFAULT_SNDINFO: 3073 { 3074 struct sctp_sndinfo *info; 3075 3076 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3077 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3078 3079 if (stcb) { 3080 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3081 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3082 info->snd_flags &= 0xfff0; 3083 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3084 info->snd_context = stcb->asoc.def_send.sinfo_context; 3085 SCTP_TCB_UNLOCK(stcb); 3086 } else { 3087 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3088 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3089 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3090 SCTP_INP_RLOCK(inp); 3091 info->snd_sid = inp->def_send.sinfo_stream; 3092 info->snd_flags = inp->def_send.sinfo_flags; 3093 info->snd_flags &= 0xfff0; 3094 info->snd_ppid = inp->def_send.sinfo_ppid; 3095 info->snd_context = inp->def_send.sinfo_context; 3096 SCTP_INP_RUNLOCK(inp); 3097 } else { 3098 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3099 error = EINVAL; 3100 } 3101 } 3102 if (error == 0) { 3103 *optsize = sizeof(struct sctp_sndinfo); 3104 } 3105 break; 3106 } 3107 case SCTP_DEFAULT_PRINFO: 3108 { 3109 struct sctp_default_prinfo *info; 3110 3111 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3112 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3113 3114 if (stcb) { 3115 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3116 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3117 SCTP_TCB_UNLOCK(stcb); 3118 } else { 3119 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3120 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3121 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3122 SCTP_INP_RLOCK(inp); 3123 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3124 info->pr_value = inp->def_send.sinfo_timetolive; 3125 SCTP_INP_RUNLOCK(inp); 3126 } else { 3127 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3128 error = EINVAL; 3129 } 3130 } 3131 if (error == 0) { 3132 *optsize = sizeof(struct sctp_default_prinfo); 3133 } 3134 break; 3135 } 3136 case SCTP_PEER_ADDR_THLDS: 3137 { 3138 struct sctp_paddrthlds *thlds; 3139 struct sctp_nets *net; 3140 3141 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3142 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3143 3144 net = NULL; 3145 if (stcb) { 3146 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_address); 3147 } else { 3148 /* 3149 * We increment here since 3150 * sctp_findassociation_ep_addr() wil do a 3151 * decrement if it finds the stcb as long as 3152 * the locked tcb (last argument) is NOT a 3153 * TCB.. aka NULL. 3154 */ 3155 SCTP_INP_INCR_REF(inp); 3156 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&thlds->spt_address, &net, NULL, NULL); 3157 if (stcb == NULL) { 3158 SCTP_INP_DECR_REF(inp); 3159 } 3160 } 3161 if (stcb && (net == NULL)) { 3162 struct sockaddr *sa; 3163 3164 sa = (struct sockaddr *)&thlds->spt_address; 3165#ifdef INET 3166 if (sa->sa_family == AF_INET) { 3167 struct sockaddr_in *sin; 3168 3169 sin = (struct sockaddr_in *)sa; 3170 if (sin->sin_addr.s_addr) { 3171 error = EINVAL; 3172 SCTP_TCB_UNLOCK(stcb); 3173 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3174 break; 3175 } 3176 } else 3177#endif 3178#ifdef INET6 3179 if (sa->sa_family == AF_INET6) { 3180 struct sockaddr_in6 *sin6; 3181 3182 sin6 = (struct sockaddr_in6 *)sa; 3183 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3184 error = EINVAL; 3185 SCTP_TCB_UNLOCK(stcb); 3186 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3187 break; 3188 } 3189 } else 3190#endif 3191 { 3192 error = EAFNOSUPPORT; 3193 SCTP_TCB_UNLOCK(stcb); 3194 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3195 break; 3196 } 3197 } 3198 if (stcb) { 3199 if (net) { 3200 thlds->spt_pathmaxrxt = net->failure_threshold; 3201 thlds->spt_pathpfthld = net->pf_threshold; 3202 } else { 3203 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3204 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3205 } 3206 thlds->spt_assoc_id = sctp_get_associd(stcb); 3207 SCTP_TCB_UNLOCK(stcb); 3208 } else { 3209 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3210 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3211 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3212 /* Use endpoint defaults */ 3213 SCTP_INP_RLOCK(inp); 3214 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3215 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3216 SCTP_INP_RUNLOCK(inp); 3217 } else { 3218 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3219 error = EINVAL; 3220 } 3221 } 3222 if (error == 0) { 3223 *optsize = sizeof(struct sctp_paddrthlds); 3224 } 3225 break; 3226 } 3227 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3228 { 3229 struct sctp_udpencaps *encaps; 3230 struct sctp_nets *net; 3231 3232 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3233 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3234 3235 if (stcb) { 3236 net = sctp_findnet(stcb, (struct sockaddr *)&encaps->sue_address); 3237 } else { 3238 /* 3239 * We increment here since 3240 * sctp_findassociation_ep_addr() wil do a 3241 * decrement if it finds the stcb as long as 3242 * the locked tcb (last argument) is NOT a 3243 * TCB.. aka NULL. 3244 */ 3245 net = NULL; 3246 SCTP_INP_INCR_REF(inp); 3247 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&encaps->sue_address, &net, NULL, NULL); 3248 if (stcb == NULL) { 3249 SCTP_INP_DECR_REF(inp); 3250 } 3251 } 3252 if (stcb && (net == NULL)) { 3253 struct sockaddr *sa; 3254 3255 sa = (struct sockaddr *)&encaps->sue_address; 3256#ifdef INET 3257 if (sa->sa_family == AF_INET) { 3258 struct sockaddr_in *sin; 3259 3260 sin = (struct sockaddr_in *)sa; 3261 if (sin->sin_addr.s_addr) { 3262 error = EINVAL; 3263 SCTP_TCB_UNLOCK(stcb); 3264 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3265 break; 3266 } 3267 } else 3268#endif 3269#ifdef INET6 3270 if (sa->sa_family == AF_INET6) { 3271 struct sockaddr_in6 *sin6; 3272 3273 sin6 = (struct sockaddr_in6 *)sa; 3274 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3275 error = EINVAL; 3276 SCTP_TCB_UNLOCK(stcb); 3277 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3278 break; 3279 } 3280 } else 3281#endif 3282 { 3283 error = EAFNOSUPPORT; 3284 SCTP_TCB_UNLOCK(stcb); 3285 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3286 break; 3287 } 3288 } 3289 if (stcb) { 3290 if (net) { 3291 encaps->sue_port = net->port; 3292 } else { 3293 encaps->sue_port = stcb->asoc.port; 3294 } 3295 SCTP_TCB_UNLOCK(stcb); 3296 } else { 3297 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3298 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3299 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3300 SCTP_INP_RLOCK(inp); 3301 encaps->sue_port = inp->sctp_ep.port; 3302 SCTP_INP_RUNLOCK(inp); 3303 } else { 3304 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3305 error = EINVAL; 3306 } 3307 } 3308 if (error == 0) { 3309 *optsize = sizeof(struct sctp_udpencaps); 3310 } 3311 break; 3312 } 3313 case SCTP_ENABLE_STREAM_RESET: 3314 { 3315 struct sctp_assoc_value *av; 3316 3317 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3318 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3319 3320 if (stcb) { 3321 av->assoc_value = (uint32_t) stcb->asoc.local_strreset_support; 3322 SCTP_TCB_UNLOCK(stcb); 3323 } else { 3324 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3325 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3326 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3327 SCTP_INP_RLOCK(inp); 3328 av->assoc_value = (uint32_t) inp->local_strreset_support; 3329 SCTP_INP_RUNLOCK(inp); 3330 } else { 3331 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3332 error = EINVAL; 3333 } 3334 } 3335 if (error == 0) { 3336 *optsize = sizeof(struct sctp_assoc_value); 3337 } 3338 break; 3339 } 3340 default: 3341 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3342 error = ENOPROTOOPT; 3343 break; 3344 } /* end switch (sopt->sopt_name) */ 3345 if (error) { 3346 *optsize = 0; 3347 } 3348 return (error); 3349} 3350 3351static int 3352sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3353 void *p) 3354{ 3355 int error, set_opt; 3356 uint32_t *mopt; 3357 struct sctp_tcb *stcb = NULL; 3358 struct sctp_inpcb *inp = NULL; 3359 uint32_t vrf_id; 3360 3361 if (optval == NULL) { 3362 SCTP_PRINTF("optval is NULL\n"); 3363 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3364 return (EINVAL); 3365 } 3366 inp = (struct sctp_inpcb *)so->so_pcb; 3367 if (inp == NULL) { 3368 SCTP_PRINTF("inp is NULL?\n"); 3369 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3370 return (EINVAL); 3371 } 3372 vrf_id = inp->def_vrf_id; 3373 3374 error = 0; 3375 switch (optname) { 3376 case SCTP_NODELAY: 3377 case SCTP_AUTOCLOSE: 3378 case SCTP_AUTO_ASCONF: 3379 case SCTP_EXPLICIT_EOR: 3380 case SCTP_DISABLE_FRAGMENTS: 3381 case SCTP_USE_EXT_RCVINFO: 3382 case SCTP_I_WANT_MAPPED_V4_ADDR: 3383 /* copy in the option value */ 3384 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3385 set_opt = 0; 3386 if (error) 3387 break; 3388 switch (optname) { 3389 case SCTP_DISABLE_FRAGMENTS: 3390 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3391 break; 3392 case SCTP_AUTO_ASCONF: 3393 /* 3394 * NOTE: we don't really support this flag 3395 */ 3396 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3397 /* only valid for bound all sockets */ 3398 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3399 (*mopt != 0)) { 3400 /* forbidden by admin */ 3401 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3402 return (EPERM); 3403 } 3404 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3405 } else { 3406 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3407 return (EINVAL); 3408 } 3409 break; 3410 case SCTP_EXPLICIT_EOR: 3411 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3412 break; 3413 case SCTP_USE_EXT_RCVINFO: 3414 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3415 break; 3416 case SCTP_I_WANT_MAPPED_V4_ADDR: 3417 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3418 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3419 } else { 3420 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3421 return (EINVAL); 3422 } 3423 break; 3424 case SCTP_NODELAY: 3425 set_opt = SCTP_PCB_FLAGS_NODELAY; 3426 break; 3427 case SCTP_AUTOCLOSE: 3428 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3429 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3430 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3431 return (EINVAL); 3432 } 3433 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3434 /* 3435 * The value is in ticks. Note this does not effect 3436 * old associations, only new ones. 3437 */ 3438 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3439 break; 3440 } 3441 SCTP_INP_WLOCK(inp); 3442 if (*mopt != 0) { 3443 sctp_feature_on(inp, set_opt); 3444 } else { 3445 sctp_feature_off(inp, set_opt); 3446 } 3447 SCTP_INP_WUNLOCK(inp); 3448 break; 3449 case SCTP_REUSE_PORT: 3450 { 3451 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3452 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3453 /* Can't set it after we are bound */ 3454 error = EINVAL; 3455 break; 3456 } 3457 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3458 /* Can't do this for a 1-m socket */ 3459 error = EINVAL; 3460 break; 3461 } 3462 if (optval) 3463 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3464 else 3465 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3466 break; 3467 } 3468 case SCTP_PARTIAL_DELIVERY_POINT: 3469 { 3470 uint32_t *value; 3471 3472 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3473 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3474 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3475 error = EINVAL; 3476 break; 3477 } 3478 inp->partial_delivery_point = *value; 3479 break; 3480 } 3481 case SCTP_FRAGMENT_INTERLEAVE: 3482 /* not yet until we re-write sctp_recvmsg() */ 3483 { 3484 uint32_t *level; 3485 3486 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3487 if (*level == SCTP_FRAG_LEVEL_2) { 3488 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3489 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3490 } else if (*level == SCTP_FRAG_LEVEL_1) { 3491 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3492 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3493 } else if (*level == SCTP_FRAG_LEVEL_0) { 3494 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3495 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3496 3497 } else { 3498 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3499 error = EINVAL; 3500 } 3501 break; 3502 } 3503 case SCTP_CMT_ON_OFF: 3504 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3505 struct sctp_assoc_value *av; 3506 3507 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3508 if (av->assoc_value > SCTP_CMT_MAX) { 3509 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3510 error = EINVAL; 3511 break; 3512 } 3513 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3514 if (stcb) { 3515 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3516 SCTP_TCB_UNLOCK(stcb); 3517 } else { 3518 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3519 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3520 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3521 (av->assoc_id == SCTP_ALL_ASSOC)) { 3522 SCTP_INP_WLOCK(inp); 3523 inp->sctp_cmt_on_off = av->assoc_value; 3524 SCTP_INP_WUNLOCK(inp); 3525 } 3526 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3527 (av->assoc_id == SCTP_ALL_ASSOC)) { 3528 SCTP_INP_RLOCK(inp); 3529 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3530 SCTP_TCB_LOCK(stcb); 3531 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3532 SCTP_TCB_UNLOCK(stcb); 3533 } 3534 SCTP_INP_RUNLOCK(inp); 3535 } 3536 } 3537 } else { 3538 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3539 error = ENOPROTOOPT; 3540 } 3541 break; 3542 case SCTP_PLUGGABLE_CC: 3543 { 3544 struct sctp_assoc_value *av; 3545 struct sctp_nets *net; 3546 3547 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3548 if ((av->assoc_value != SCTP_CC_RFC2581) && 3549 (av->assoc_value != SCTP_CC_HSTCP) && 3550 (av->assoc_value != SCTP_CC_HTCP) && 3551 (av->assoc_value != SCTP_CC_RTCC)) { 3552 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3553 error = EINVAL; 3554 break; 3555 } 3556 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3557 if (stcb) { 3558 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3559 stcb->asoc.congestion_control_module = av->assoc_value; 3560 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3561 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3562 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3563 } 3564 } 3565 SCTP_TCB_UNLOCK(stcb); 3566 } else { 3567 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3568 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3569 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3570 (av->assoc_id == SCTP_ALL_ASSOC)) { 3571 SCTP_INP_WLOCK(inp); 3572 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3573 SCTP_INP_WUNLOCK(inp); 3574 } 3575 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3576 (av->assoc_id == SCTP_ALL_ASSOC)) { 3577 SCTP_INP_RLOCK(inp); 3578 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3579 SCTP_TCB_LOCK(stcb); 3580 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3581 stcb->asoc.congestion_control_module = av->assoc_value; 3582 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3583 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3584 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3585 } 3586 } 3587 SCTP_TCB_UNLOCK(stcb); 3588 } 3589 SCTP_INP_RUNLOCK(inp); 3590 } 3591 } 3592 break; 3593 } 3594 case SCTP_CC_OPTION: 3595 { 3596 struct sctp_cc_option *cc_opt; 3597 3598 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 3599 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 3600 if (stcb == NULL) { 3601 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 3602 SCTP_INP_RLOCK(inp); 3603 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3604 SCTP_TCB_LOCK(stcb); 3605 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 3606 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 3607 } 3608 SCTP_TCB_UNLOCK(stcb); 3609 } 3610 SCTP_INP_RUNLOCK(inp); 3611 } else { 3612 error = EINVAL; 3613 } 3614 } else { 3615 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 3616 error = ENOTSUP; 3617 } else { 3618 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 3619 cc_opt); 3620 } 3621 SCTP_TCB_UNLOCK(stcb); 3622 } 3623 break; 3624 } 3625 case SCTP_PLUGGABLE_SS: 3626 { 3627 struct sctp_assoc_value *av; 3628 3629 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3630 if ((av->assoc_value != SCTP_SS_DEFAULT) && 3631 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 3632 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 3633 (av->assoc_value != SCTP_SS_PRIORITY) && 3634 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 3635 (av->assoc_value != SCTP_SS_FIRST_COME)) { 3636 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3637 error = EINVAL; 3638 break; 3639 } 3640 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3641 if (stcb) { 3642 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 3643 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 3644 stcb->asoc.stream_scheduling_module = av->assoc_value; 3645 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 3646 SCTP_TCB_UNLOCK(stcb); 3647 } else { 3648 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3649 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3650 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3651 (av->assoc_id == SCTP_ALL_ASSOC)) { 3652 SCTP_INP_WLOCK(inp); 3653 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 3654 SCTP_INP_WUNLOCK(inp); 3655 } 3656 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3657 (av->assoc_id == SCTP_ALL_ASSOC)) { 3658 SCTP_INP_RLOCK(inp); 3659 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3660 SCTP_TCB_LOCK(stcb); 3661 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 3662 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 3663 stcb->asoc.stream_scheduling_module = av->assoc_value; 3664 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 3665 SCTP_TCB_UNLOCK(stcb); 3666 } 3667 SCTP_INP_RUNLOCK(inp); 3668 } 3669 } 3670 break; 3671 } 3672 case SCTP_SS_VALUE: 3673 { 3674 struct sctp_stream_value *av; 3675 3676 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 3677 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3678 if (stcb) { 3679 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 3680 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 3681 av->stream_value) < 0)) { 3682 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3683 error = EINVAL; 3684 } 3685 SCTP_TCB_UNLOCK(stcb); 3686 } else { 3687 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 3688 SCTP_INP_RLOCK(inp); 3689 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3690 SCTP_TCB_LOCK(stcb); 3691 if (av->stream_id < stcb->asoc.streamoutcnt) { 3692 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 3693 &stcb->asoc, 3694 &stcb->asoc.strmout[av->stream_id], 3695 av->stream_value); 3696 } 3697 SCTP_TCB_UNLOCK(stcb); 3698 } 3699 SCTP_INP_RUNLOCK(inp); 3700 3701 } else { 3702 /* 3703 * Can't set stream value without 3704 * association 3705 */ 3706 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3707 error = EINVAL; 3708 } 3709 } 3710 break; 3711 } 3712 case SCTP_CLR_STAT_LOG: 3713 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3714 error = EOPNOTSUPP; 3715 break; 3716 case SCTP_CONTEXT: 3717 { 3718 struct sctp_assoc_value *av; 3719 3720 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3721 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3722 3723 if (stcb) { 3724 stcb->asoc.context = av->assoc_value; 3725 SCTP_TCB_UNLOCK(stcb); 3726 } else { 3727 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3728 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3729 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3730 (av->assoc_id == SCTP_ALL_ASSOC)) { 3731 SCTP_INP_WLOCK(inp); 3732 inp->sctp_context = av->assoc_value; 3733 SCTP_INP_WUNLOCK(inp); 3734 } 3735 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3736 (av->assoc_id == SCTP_ALL_ASSOC)) { 3737 SCTP_INP_RLOCK(inp); 3738 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3739 SCTP_TCB_LOCK(stcb); 3740 stcb->asoc.context = av->assoc_value; 3741 SCTP_TCB_UNLOCK(stcb); 3742 } 3743 SCTP_INP_RUNLOCK(inp); 3744 } 3745 } 3746 break; 3747 } 3748 case SCTP_VRF_ID: 3749 { 3750 uint32_t *default_vrfid; 3751 3752 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 3753 if (*default_vrfid > SCTP_MAX_VRF_ID) { 3754 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3755 error = EINVAL; 3756 break; 3757 } 3758 inp->def_vrf_id = *default_vrfid; 3759 break; 3760 } 3761 case SCTP_DEL_VRF_ID: 3762 { 3763 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3764 error = EOPNOTSUPP; 3765 break; 3766 } 3767 case SCTP_ADD_VRF_ID: 3768 { 3769 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3770 error = EOPNOTSUPP; 3771 break; 3772 } 3773 case SCTP_DELAYED_SACK: 3774 { 3775 struct sctp_sack_info *sack; 3776 3777 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 3778 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 3779 if (sack->sack_delay) { 3780 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 3781 sack->sack_delay = SCTP_MAX_SACK_DELAY; 3782 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 3783 sack->sack_delay = TICKS_TO_MSEC(1); 3784 } 3785 } 3786 if (stcb) { 3787 if (sack->sack_delay) { 3788 stcb->asoc.delayed_ack = sack->sack_delay; 3789 } 3790 if (sack->sack_freq) { 3791 stcb->asoc.sack_freq = sack->sack_freq; 3792 } 3793 SCTP_TCB_UNLOCK(stcb); 3794 } else { 3795 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3796 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3797 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 3798 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 3799 SCTP_INP_WLOCK(inp); 3800 if (sack->sack_delay) { 3801 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 3802 } 3803 if (sack->sack_freq) { 3804 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 3805 } 3806 SCTP_INP_WUNLOCK(inp); 3807 } 3808 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 3809 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 3810 SCTP_INP_RLOCK(inp); 3811 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3812 SCTP_TCB_LOCK(stcb); 3813 if (sack->sack_delay) { 3814 stcb->asoc.delayed_ack = sack->sack_delay; 3815 } 3816 if (sack->sack_freq) { 3817 stcb->asoc.sack_freq = sack->sack_freq; 3818 } 3819 SCTP_TCB_UNLOCK(stcb); 3820 } 3821 SCTP_INP_RUNLOCK(inp); 3822 } 3823 } 3824 break; 3825 } 3826 case SCTP_AUTH_CHUNK: 3827 { 3828 struct sctp_authchunk *sauth; 3829 3830 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 3831 3832 SCTP_INP_WLOCK(inp); 3833 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 3834 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3835 error = EINVAL; 3836 } 3837 SCTP_INP_WUNLOCK(inp); 3838 break; 3839 } 3840 case SCTP_AUTH_KEY: 3841 { 3842 struct sctp_authkey *sca; 3843 struct sctp_keyhead *shared_keys; 3844 sctp_sharedkey_t *shared_key; 3845 sctp_key_t *key = NULL; 3846 size_t size; 3847 3848 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 3849 if (sca->sca_keylength == 0) { 3850 size = optsize - sizeof(struct sctp_authkey); 3851 } else { 3852 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 3853 size = sca->sca_keylength; 3854 } else { 3855 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3856 error = EINVAL; 3857 break; 3858 } 3859 } 3860 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 3861 3862 if (stcb) { 3863 shared_keys = &stcb->asoc.shared_keys; 3864 /* clear the cached keys for this key id */ 3865 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 3866 /* 3867 * create the new shared key and 3868 * insert/replace it 3869 */ 3870 if (size > 0) { 3871 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3872 if (key == NULL) { 3873 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3874 error = ENOMEM; 3875 SCTP_TCB_UNLOCK(stcb); 3876 break; 3877 } 3878 } 3879 shared_key = sctp_alloc_sharedkey(); 3880 if (shared_key == NULL) { 3881 sctp_free_key(key); 3882 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3883 error = ENOMEM; 3884 SCTP_TCB_UNLOCK(stcb); 3885 break; 3886 } 3887 shared_key->key = key; 3888 shared_key->keyid = sca->sca_keynumber; 3889 error = sctp_insert_sharedkey(shared_keys, shared_key); 3890 SCTP_TCB_UNLOCK(stcb); 3891 } else { 3892 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3893 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3894 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 3895 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 3896 SCTP_INP_WLOCK(inp); 3897 shared_keys = &inp->sctp_ep.shared_keys; 3898 /* 3899 * clear the cached keys on all 3900 * assocs for this key id 3901 */ 3902 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 3903 /* 3904 * create the new shared key and 3905 * insert/replace it 3906 */ 3907 if (size > 0) { 3908 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3909 if (key == NULL) { 3910 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3911 error = ENOMEM; 3912 SCTP_INP_WUNLOCK(inp); 3913 break; 3914 } 3915 } 3916 shared_key = sctp_alloc_sharedkey(); 3917 if (shared_key == NULL) { 3918 sctp_free_key(key); 3919 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3920 error = ENOMEM; 3921 SCTP_INP_WUNLOCK(inp); 3922 break; 3923 } 3924 shared_key->key = key; 3925 shared_key->keyid = sca->sca_keynumber; 3926 error = sctp_insert_sharedkey(shared_keys, shared_key); 3927 SCTP_INP_WUNLOCK(inp); 3928 } 3929 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 3930 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 3931 SCTP_INP_RLOCK(inp); 3932 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3933 SCTP_TCB_LOCK(stcb); 3934 shared_keys = &stcb->asoc.shared_keys; 3935 /* 3936 * clear the cached keys for 3937 * this key id 3938 */ 3939 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 3940 /* 3941 * create the new shared key 3942 * and insert/replace it 3943 */ 3944 if (size > 0) { 3945 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3946 if (key == NULL) { 3947 SCTP_TCB_UNLOCK(stcb); 3948 continue; 3949 } 3950 } 3951 shared_key = sctp_alloc_sharedkey(); 3952 if (shared_key == NULL) { 3953 sctp_free_key(key); 3954 SCTP_TCB_UNLOCK(stcb); 3955 continue; 3956 } 3957 shared_key->key = key; 3958 shared_key->keyid = sca->sca_keynumber; 3959 error = sctp_insert_sharedkey(shared_keys, shared_key); 3960 SCTP_TCB_UNLOCK(stcb); 3961 } 3962 SCTP_INP_RUNLOCK(inp); 3963 } 3964 } 3965 break; 3966 } 3967 case SCTP_HMAC_IDENT: 3968 { 3969 struct sctp_hmacalgo *shmac; 3970 sctp_hmaclist_t *hmaclist; 3971 uint16_t hmacid; 3972 uint32_t i; 3973 3974 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 3975 if (optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) { 3976 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3977 error = EINVAL; 3978 break; 3979 } 3980 hmaclist = sctp_alloc_hmaclist(shmac->shmac_number_of_idents); 3981 if (hmaclist == NULL) { 3982 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3983 error = ENOMEM; 3984 break; 3985 } 3986 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 3987 hmacid = shmac->shmac_idents[i]; 3988 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 3989 /* invalid HMACs were found */ ; 3990 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3991 error = EINVAL; 3992 sctp_free_hmaclist(hmaclist); 3993 goto sctp_set_hmac_done; 3994 } 3995 } 3996 for (i = 0; i < hmaclist->num_algo; i++) { 3997 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 3998 /* already in list */ 3999 break; 4000 } 4001 } 4002 if (i == hmaclist->num_algo) { 4003 /* not found in list */ 4004 sctp_free_hmaclist(hmaclist); 4005 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4006 error = EINVAL; 4007 break; 4008 } 4009 /* set it on the endpoint */ 4010 SCTP_INP_WLOCK(inp); 4011 if (inp->sctp_ep.local_hmacs) 4012 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4013 inp->sctp_ep.local_hmacs = hmaclist; 4014 SCTP_INP_WUNLOCK(inp); 4015 sctp_set_hmac_done: 4016 break; 4017 } 4018 case SCTP_AUTH_ACTIVE_KEY: 4019 { 4020 struct sctp_authkeyid *scact; 4021 4022 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4023 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4024 4025 /* set the active key on the right place */ 4026 if (stcb) { 4027 /* set the active key on the assoc */ 4028 if (sctp_auth_setactivekey(stcb, 4029 scact->scact_keynumber)) { 4030 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4031 SCTP_FROM_SCTP_USRREQ, 4032 EINVAL); 4033 error = EINVAL; 4034 } 4035 SCTP_TCB_UNLOCK(stcb); 4036 } else { 4037 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4038 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4039 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4040 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4041 SCTP_INP_WLOCK(inp); 4042 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4043 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4044 error = EINVAL; 4045 } 4046 SCTP_INP_WUNLOCK(inp); 4047 } 4048 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4049 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4050 SCTP_INP_RLOCK(inp); 4051 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4052 SCTP_TCB_LOCK(stcb); 4053 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4054 SCTP_TCB_UNLOCK(stcb); 4055 } 4056 SCTP_INP_RUNLOCK(inp); 4057 } 4058 } 4059 break; 4060 } 4061 case SCTP_AUTH_DELETE_KEY: 4062 { 4063 struct sctp_authkeyid *scdel; 4064 4065 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4066 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4067 4068 /* delete the key from the right place */ 4069 if (stcb) { 4070 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4071 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4072 error = EINVAL; 4073 } 4074 SCTP_TCB_UNLOCK(stcb); 4075 } else { 4076 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4077 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4078 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4079 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4080 SCTP_INP_WLOCK(inp); 4081 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4082 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4083 error = EINVAL; 4084 } 4085 SCTP_INP_WUNLOCK(inp); 4086 } 4087 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4088 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4089 SCTP_INP_RLOCK(inp); 4090 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4091 SCTP_TCB_LOCK(stcb); 4092 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4093 SCTP_TCB_UNLOCK(stcb); 4094 } 4095 SCTP_INP_RUNLOCK(inp); 4096 } 4097 } 4098 break; 4099 } 4100 case SCTP_AUTH_DEACTIVATE_KEY: 4101 { 4102 struct sctp_authkeyid *keyid; 4103 4104 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4105 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4106 4107 /* deactivate the key from the right place */ 4108 if (stcb) { 4109 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4110 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4111 error = EINVAL; 4112 } 4113 SCTP_TCB_UNLOCK(stcb); 4114 } else { 4115 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4116 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4117 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4118 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4119 SCTP_INP_WLOCK(inp); 4120 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4121 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4122 error = EINVAL; 4123 } 4124 SCTP_INP_WUNLOCK(inp); 4125 } 4126 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4127 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4128 SCTP_INP_RLOCK(inp); 4129 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4130 SCTP_TCB_LOCK(stcb); 4131 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4132 SCTP_TCB_UNLOCK(stcb); 4133 } 4134 SCTP_INP_RUNLOCK(inp); 4135 } 4136 } 4137 break; 4138 } 4139 case SCTP_ENABLE_STREAM_RESET: 4140 { 4141 struct sctp_assoc_value *av; 4142 4143 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4144 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4145 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4146 error = EINVAL; 4147 break; 4148 } 4149 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4150 if (stcb) { 4151 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4152 SCTP_TCB_UNLOCK(stcb); 4153 } else { 4154 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4155 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4156 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4157 (av->assoc_id == SCTP_ALL_ASSOC)) { 4158 SCTP_INP_WLOCK(inp); 4159 inp->local_strreset_support = (uint8_t) av->assoc_value; 4160 SCTP_INP_WUNLOCK(inp); 4161 } 4162 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4163 (av->assoc_id == SCTP_ALL_ASSOC)) { 4164 SCTP_INP_RLOCK(inp); 4165 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4166 SCTP_TCB_LOCK(stcb); 4167 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4168 SCTP_TCB_UNLOCK(stcb); 4169 } 4170 SCTP_INP_RUNLOCK(inp); 4171 } 4172 } 4173 break; 4174 } 4175 case SCTP_RESET_STREAMS: 4176 { 4177 struct sctp_reset_streams *strrst; 4178 int i, send_out = 0; 4179 int send_in = 0; 4180 4181 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4182 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4183 if (stcb == NULL) { 4184 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4185 error = ENOENT; 4186 break; 4187 } 4188 if (stcb->asoc.peer_supports_strreset == 0) { 4189 /* 4190 * Peer does not support the chunk type. 4191 */ 4192 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4193 error = EOPNOTSUPP; 4194 SCTP_TCB_UNLOCK(stcb); 4195 break; 4196 } 4197 if (stcb->asoc.stream_reset_outstanding) { 4198 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4199 error = EALREADY; 4200 SCTP_TCB_UNLOCK(stcb); 4201 break; 4202 } 4203 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4204 send_in = 1; 4205 } 4206 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4207 send_out = 1; 4208 } 4209 if ((send_in == 0) && (send_out == 0)) { 4210 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4211 error = EINVAL; 4212 SCTP_TCB_UNLOCK(stcb); 4213 break; 4214 } 4215 for (i = 0; i < strrst->srs_number_streams; i++) { 4216 if ((send_in) && 4217 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) { 4218 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4219 error = EINVAL; 4220 break; 4221 } 4222 if ((send_out) && 4223 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) { 4224 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4225 error = EINVAL; 4226 break; 4227 } 4228 } 4229 if (error) { 4230 SCTP_TCB_UNLOCK(stcb); 4231 break; 4232 } 4233 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4234 strrst->srs_stream_list, 4235 send_out, send_in, 0, 0, 0, 0, 0); 4236 4237 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4238 SCTP_TCB_UNLOCK(stcb); 4239 break; 4240 } 4241 case SCTP_ADD_STREAMS: 4242 { 4243 struct sctp_add_streams *stradd; 4244 uint8_t addstream = 0; 4245 uint16_t add_o_strmcnt = 0; 4246 uint16_t add_i_strmcnt = 0; 4247 4248 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4249 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4250 if (stcb == NULL) { 4251 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4252 error = ENOENT; 4253 break; 4254 } 4255 if (stcb->asoc.peer_supports_strreset == 0) { 4256 /* 4257 * Peer does not support the chunk type. 4258 */ 4259 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4260 error = EOPNOTSUPP; 4261 SCTP_TCB_UNLOCK(stcb); 4262 break; 4263 } 4264 if (stcb->asoc.stream_reset_outstanding) { 4265 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4266 error = EALREADY; 4267 SCTP_TCB_UNLOCK(stcb); 4268 break; 4269 } 4270 if ((stradd->sas_outstrms == 0) && 4271 (stradd->sas_instrms == 0)) { 4272 error = EINVAL; 4273 goto skip_stuff; 4274 } 4275 if (stradd->sas_outstrms) { 4276 addstream = 1; 4277 /* We allocate here */ 4278 add_o_strmcnt = stradd->sas_outstrms; 4279 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4280 /* You can't have more than 64k */ 4281 error = EINVAL; 4282 goto skip_stuff; 4283 } 4284 } 4285 if (stradd->sas_instrms) { 4286 int cnt; 4287 4288 addstream |= 2; 4289 /* 4290 * We allocate inside 4291 * sctp_send_str_reset_req() 4292 */ 4293 add_i_strmcnt = stradd->sas_instrms; 4294 cnt = add_i_strmcnt; 4295 cnt += stcb->asoc.streamincnt; 4296 if (cnt > 0x0000ffff) { 4297 /* You can't have more than 64k */ 4298 error = EINVAL; 4299 goto skip_stuff; 4300 } 4301 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4302 /* More than you are allowed */ 4303 error = EINVAL; 4304 goto skip_stuff; 4305 } 4306 } 4307 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4308 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4309 skip_stuff: 4310 SCTP_TCB_UNLOCK(stcb); 4311 break; 4312 } 4313 case SCTP_RESET_ASSOC: 4314 { 4315 uint32_t *value; 4316 4317 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4318 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 4319 if (stcb == NULL) { 4320 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4321 error = ENOENT; 4322 break; 4323 } 4324 if (stcb->asoc.peer_supports_strreset == 0) { 4325 /* 4326 * Peer does not support the chunk type. 4327 */ 4328 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4329 error = EOPNOTSUPP; 4330 SCTP_TCB_UNLOCK(stcb); 4331 break; 4332 } 4333 if (stcb->asoc.stream_reset_outstanding) { 4334 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4335 error = EALREADY; 4336 SCTP_TCB_UNLOCK(stcb); 4337 break; 4338 } 4339 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 1, 0, 0, 0, 0); 4340 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4341 SCTP_TCB_UNLOCK(stcb); 4342 break; 4343 } 4344 case SCTP_CONNECT_X: 4345 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4346 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4347 error = EINVAL; 4348 break; 4349 } 4350 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4351 break; 4352 case SCTP_CONNECT_X_DELAYED: 4353 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4354 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4355 error = EINVAL; 4356 break; 4357 } 4358 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4359 break; 4360 case SCTP_CONNECT_X_COMPLETE: 4361 { 4362 struct sockaddr *sa; 4363 struct sctp_nets *net; 4364 4365 /* FIXME MT: check correct? */ 4366 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4367 4368 /* find tcb */ 4369 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4370 SCTP_INP_RLOCK(inp); 4371 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4372 if (stcb) { 4373 SCTP_TCB_LOCK(stcb); 4374 net = sctp_findnet(stcb, sa); 4375 } 4376 SCTP_INP_RUNLOCK(inp); 4377 } else { 4378 /* 4379 * We increment here since 4380 * sctp_findassociation_ep_addr() wil do a 4381 * decrement if it finds the stcb as long as 4382 * the locked tcb (last argument) is NOT a 4383 * TCB.. aka NULL. 4384 */ 4385 SCTP_INP_INCR_REF(inp); 4386 stcb = sctp_findassociation_ep_addr(&inp, sa, &net, NULL, NULL); 4387 if (stcb == NULL) { 4388 SCTP_INP_DECR_REF(inp); 4389 } 4390 } 4391 4392 if (stcb == NULL) { 4393 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4394 error = ENOENT; 4395 break; 4396 } 4397 if (stcb->asoc.delayed_connection == 1) { 4398 stcb->asoc.delayed_connection = 0; 4399 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4400 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4401 stcb->asoc.primary_destination, 4402 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 4403 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4404 } else { 4405 /* 4406 * already expired or did not use delayed 4407 * connectx 4408 */ 4409 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4410 error = EALREADY; 4411 } 4412 SCTP_TCB_UNLOCK(stcb); 4413 break; 4414 } 4415 case SCTP_MAX_BURST: 4416 { 4417 struct sctp_assoc_value *av; 4418 4419 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4420 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4421 4422 if (stcb) { 4423 stcb->asoc.max_burst = av->assoc_value; 4424 SCTP_TCB_UNLOCK(stcb); 4425 } else { 4426 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4427 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4428 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4429 (av->assoc_id == SCTP_ALL_ASSOC)) { 4430 SCTP_INP_WLOCK(inp); 4431 inp->sctp_ep.max_burst = av->assoc_value; 4432 SCTP_INP_WUNLOCK(inp); 4433 } 4434 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4435 (av->assoc_id == SCTP_ALL_ASSOC)) { 4436 SCTP_INP_RLOCK(inp); 4437 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4438 SCTP_TCB_LOCK(stcb); 4439 stcb->asoc.max_burst = av->assoc_value; 4440 SCTP_TCB_UNLOCK(stcb); 4441 } 4442 SCTP_INP_RUNLOCK(inp); 4443 } 4444 } 4445 break; 4446 } 4447 case SCTP_MAXSEG: 4448 { 4449 struct sctp_assoc_value *av; 4450 int ovh; 4451 4452 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4453 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4454 4455 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4456 ovh = SCTP_MED_OVERHEAD; 4457 } else { 4458 ovh = SCTP_MED_V4_OVERHEAD; 4459 } 4460 if (stcb) { 4461 if (av->assoc_value) { 4462 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4463 } else { 4464 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4465 } 4466 SCTP_TCB_UNLOCK(stcb); 4467 } else { 4468 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4469 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4470 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4471 SCTP_INP_WLOCK(inp); 4472 /* 4473 * FIXME MT: I think this is not in 4474 * tune with the API ID 4475 */ 4476 if (av->assoc_value) { 4477 inp->sctp_frag_point = (av->assoc_value + ovh); 4478 } else { 4479 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4480 } 4481 SCTP_INP_WUNLOCK(inp); 4482 } else { 4483 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4484 error = EINVAL; 4485 } 4486 } 4487 break; 4488 } 4489 case SCTP_EVENTS: 4490 { 4491 struct sctp_event_subscribe *events; 4492 4493 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 4494 4495 SCTP_INP_WLOCK(inp); 4496 if (events->sctp_data_io_event) { 4497 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4498 } else { 4499 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4500 } 4501 4502 if (events->sctp_association_event) { 4503 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4504 } else { 4505 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4506 } 4507 4508 if (events->sctp_address_event) { 4509 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4510 } else { 4511 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4512 } 4513 4514 if (events->sctp_send_failure_event) { 4515 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4516 } else { 4517 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4518 } 4519 4520 if (events->sctp_peer_error_event) { 4521 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4522 } else { 4523 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4524 } 4525 4526 if (events->sctp_shutdown_event) { 4527 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4528 } else { 4529 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4530 } 4531 4532 if (events->sctp_partial_delivery_event) { 4533 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4534 } else { 4535 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4536 } 4537 4538 if (events->sctp_adaptation_layer_event) { 4539 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4540 } else { 4541 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4542 } 4543 4544 if (events->sctp_authentication_event) { 4545 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4546 } else { 4547 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4548 } 4549 4550 if (events->sctp_sender_dry_event) { 4551 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 4552 } else { 4553 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 4554 } 4555 4556 if (events->sctp_stream_reset_event) { 4557 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4558 } else { 4559 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4560 } 4561 SCTP_INP_WUNLOCK(inp); 4562 4563 SCTP_INP_RLOCK(inp); 4564 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4565 SCTP_TCB_LOCK(stcb); 4566 if (events->sctp_association_event) { 4567 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4568 } else { 4569 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4570 } 4571 if (events->sctp_address_event) { 4572 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4573 } else { 4574 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4575 } 4576 if (events->sctp_send_failure_event) { 4577 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4578 } else { 4579 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4580 } 4581 if (events->sctp_peer_error_event) { 4582 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4583 } else { 4584 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4585 } 4586 if (events->sctp_shutdown_event) { 4587 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4588 } else { 4589 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4590 } 4591 if (events->sctp_partial_delivery_event) { 4592 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4593 } else { 4594 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4595 } 4596 if (events->sctp_adaptation_layer_event) { 4597 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4598 } else { 4599 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4600 } 4601 if (events->sctp_authentication_event) { 4602 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4603 } else { 4604 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4605 } 4606 if (events->sctp_sender_dry_event) { 4607 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4608 } else { 4609 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4610 } 4611 if (events->sctp_stream_reset_event) { 4612 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4613 } else { 4614 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4615 } 4616 SCTP_TCB_UNLOCK(stcb); 4617 } 4618 /* 4619 * Send up the sender dry event only for 1-to-1 4620 * style sockets. 4621 */ 4622 if (events->sctp_sender_dry_event) { 4623 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4624 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 4625 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4626 if (stcb) { 4627 SCTP_TCB_LOCK(stcb); 4628 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 4629 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 4630 (stcb->asoc.stream_queue_cnt == 0)) { 4631 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 4632 } 4633 SCTP_TCB_UNLOCK(stcb); 4634 } 4635 } 4636 } 4637 SCTP_INP_RUNLOCK(inp); 4638 break; 4639 } 4640 case SCTP_ADAPTATION_LAYER: 4641 { 4642 struct sctp_setadaptation *adap_bits; 4643 4644 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 4645 SCTP_INP_WLOCK(inp); 4646 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 4647 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 4648 SCTP_INP_WUNLOCK(inp); 4649 break; 4650 } 4651#ifdef SCTP_DEBUG 4652 case SCTP_SET_INITIAL_DBG_SEQ: 4653 { 4654 uint32_t *vvv; 4655 4656 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 4657 SCTP_INP_WLOCK(inp); 4658 inp->sctp_ep.initial_sequence_debug = *vvv; 4659 SCTP_INP_WUNLOCK(inp); 4660 break; 4661 } 4662#endif 4663 case SCTP_DEFAULT_SEND_PARAM: 4664 { 4665 struct sctp_sndrcvinfo *s_info; 4666 4667 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 4668 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 4669 4670 if (stcb) { 4671 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 4672 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 4673 } else { 4674 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4675 error = EINVAL; 4676 } 4677 SCTP_TCB_UNLOCK(stcb); 4678 } else { 4679 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4680 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4681 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 4682 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 4683 SCTP_INP_WLOCK(inp); 4684 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 4685 SCTP_INP_WUNLOCK(inp); 4686 } 4687 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 4688 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 4689 SCTP_INP_RLOCK(inp); 4690 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4691 SCTP_TCB_LOCK(stcb); 4692 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 4693 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 4694 } 4695 SCTP_TCB_UNLOCK(stcb); 4696 } 4697 SCTP_INP_RUNLOCK(inp); 4698 } 4699 } 4700 break; 4701 } 4702 case SCTP_PEER_ADDR_PARAMS: 4703 { 4704 struct sctp_paddrparams *paddrp; 4705 struct sctp_nets *net; 4706 4707 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 4708 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 4709 net = NULL; 4710 if (stcb) { 4711 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 4712 } else { 4713 /* 4714 * We increment here since 4715 * sctp_findassociation_ep_addr() wil do a 4716 * decrement if it finds the stcb as long as 4717 * the locked tcb (last argument) is NOT a 4718 * TCB.. aka NULL. 4719 */ 4720 SCTP_INP_INCR_REF(inp); 4721 stcb = sctp_findassociation_ep_addr(&inp, 4722 (struct sockaddr *)&paddrp->spp_address, 4723 &net, NULL, NULL); 4724 if (stcb == NULL) { 4725 SCTP_INP_DECR_REF(inp); 4726 } 4727 } 4728 if (stcb && (net == NULL)) { 4729 struct sockaddr *sa; 4730 4731 sa = (struct sockaddr *)&paddrp->spp_address; 4732#ifdef INET 4733 if (sa->sa_family == AF_INET) { 4734 4735 struct sockaddr_in *sin; 4736 4737 sin = (struct sockaddr_in *)sa; 4738 if (sin->sin_addr.s_addr) { 4739 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4740 SCTP_TCB_UNLOCK(stcb); 4741 error = EINVAL; 4742 break; 4743 } 4744 } else 4745#endif 4746#ifdef INET6 4747 if (sa->sa_family == AF_INET6) { 4748 struct sockaddr_in6 *sin6; 4749 4750 sin6 = (struct sockaddr_in6 *)sa; 4751 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 4752 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4753 SCTP_TCB_UNLOCK(stcb); 4754 error = EINVAL; 4755 break; 4756 } 4757 } else 4758#endif 4759 { 4760 error = EAFNOSUPPORT; 4761 SCTP_TCB_UNLOCK(stcb); 4762 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4763 break; 4764 } 4765 } 4766 /* sanity checks */ 4767 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 4768 if (stcb) 4769 SCTP_TCB_UNLOCK(stcb); 4770 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4771 return (EINVAL); 4772 } 4773 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 4774 if (stcb) 4775 SCTP_TCB_UNLOCK(stcb); 4776 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4777 return (EINVAL); 4778 } 4779 if (stcb) { 4780 /************************TCB SPECIFIC SET ******************/ 4781 /* 4782 * do we change the timer for HB, we run 4783 * only one? 4784 */ 4785 int ovh = 0; 4786 4787 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4788 ovh = SCTP_MED_OVERHEAD; 4789 } else { 4790 ovh = SCTP_MED_V4_OVERHEAD; 4791 } 4792 4793 /* network sets ? */ 4794 if (net) { 4795 /************************NET SPECIFIC SET ******************/ 4796 if (paddrp->spp_flags & SPP_HB_DISABLE) { 4797 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 4798 !(net->dest_state & SCTP_ADDR_NOHB)) { 4799 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4800 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4801 } 4802 net->dest_state |= SCTP_ADDR_NOHB; 4803 } 4804 if (paddrp->spp_flags & SPP_HB_ENABLE) { 4805 if (paddrp->spp_hbinterval) { 4806 net->heart_beat_delay = paddrp->spp_hbinterval; 4807 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4808 net->heart_beat_delay = 0; 4809 } 4810 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4811 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4812 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4813 net->dest_state &= ~SCTP_ADDR_NOHB; 4814 } 4815 if (paddrp->spp_flags & SPP_HB_DEMAND) { 4816 /* on demand HB */ 4817 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4818 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 4819 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4820 } 4821 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 4822 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4823 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 4824 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4825 } 4826 net->dest_state |= SCTP_ADDR_NO_PMTUD; 4827 net->mtu = paddrp->spp_pathmtu + ovh; 4828 if (net->mtu < stcb->asoc.smallest_mtu) { 4829 sctp_pathmtu_adjustment(stcb, net->mtu); 4830 } 4831 } 4832 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 4833 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4834 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 4835 } 4836 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 4837 } 4838 if (paddrp->spp_pathmaxrxt) { 4839 if (net->dest_state & SCTP_ADDR_PF) { 4840 if (net->error_count > paddrp->spp_pathmaxrxt) { 4841 net->dest_state &= ~SCTP_ADDR_PF; 4842 } 4843 } else { 4844 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 4845 (net->error_count > net->pf_threshold)) { 4846 net->dest_state |= SCTP_ADDR_PF; 4847 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4848 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 4849 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 4850 } 4851 } 4852 if (net->dest_state & SCTP_ADDR_REACHABLE) { 4853 if (net->error_count > paddrp->spp_pathmaxrxt) { 4854 net->dest_state &= ~SCTP_ADDR_REACHABLE; 4855 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 4856 } 4857 } else { 4858 if (net->error_count <= paddrp->spp_pathmaxrxt) { 4859 net->dest_state |= SCTP_ADDR_REACHABLE; 4860 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 4861 } 4862 } 4863 net->failure_threshold = paddrp->spp_pathmaxrxt; 4864 } 4865 if (paddrp->spp_flags & SPP_DSCP) { 4866 net->dscp = paddrp->spp_dscp & 0xfc; 4867 net->dscp |= 0x01; 4868 } 4869#ifdef INET6 4870 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 4871 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 4872 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4873 net->flowlabel |= 0x80000000; 4874 } 4875 } 4876#endif 4877 } else { 4878 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 4879 if (paddrp->spp_pathmaxrxt) { 4880 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 4881 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4882 if (net->dest_state & SCTP_ADDR_PF) { 4883 if (net->error_count > paddrp->spp_pathmaxrxt) { 4884 net->dest_state &= ~SCTP_ADDR_PF; 4885 } 4886 } else { 4887 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 4888 (net->error_count > net->pf_threshold)) { 4889 net->dest_state |= SCTP_ADDR_PF; 4890 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4891 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 4892 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 4893 } 4894 } 4895 if (net->dest_state & SCTP_ADDR_REACHABLE) { 4896 if (net->error_count > paddrp->spp_pathmaxrxt) { 4897 net->dest_state &= ~SCTP_ADDR_REACHABLE; 4898 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 4899 } 4900 } else { 4901 if (net->error_count <= paddrp->spp_pathmaxrxt) { 4902 net->dest_state |= SCTP_ADDR_REACHABLE; 4903 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 4904 } 4905 } 4906 net->failure_threshold = paddrp->spp_pathmaxrxt; 4907 } 4908 } 4909 if (paddrp->spp_flags & SPP_HB_ENABLE) { 4910 if (paddrp->spp_hbinterval) { 4911 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 4912 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4913 stcb->asoc.heart_beat_delay = 0; 4914 } 4915 /* Turn back on the timer */ 4916 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4917 if (paddrp->spp_hbinterval) { 4918 net->heart_beat_delay = paddrp->spp_hbinterval; 4919 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4920 net->heart_beat_delay = 0; 4921 } 4922 if (net->dest_state & SCTP_ADDR_NOHB) { 4923 net->dest_state &= ~SCTP_ADDR_NOHB; 4924 } 4925 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4926 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4927 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4928 } 4929 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4930 } 4931 if (paddrp->spp_flags & SPP_HB_DISABLE) { 4932 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4933 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 4934 net->dest_state |= SCTP_ADDR_NOHB; 4935 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 4936 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4937 } 4938 } 4939 } 4940 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4941 } 4942 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 4943 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4944 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4945 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 4946 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4947 } 4948 net->dest_state |= SCTP_ADDR_NO_PMTUD; 4949 net->mtu = paddrp->spp_pathmtu + ovh; 4950 if (net->mtu < stcb->asoc.smallest_mtu) { 4951 sctp_pathmtu_adjustment(stcb, net->mtu); 4952 } 4953 } 4954 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4955 } 4956 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 4957 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4958 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4959 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 4960 } 4961 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 4962 } 4963 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4964 } 4965 if (paddrp->spp_flags & SPP_DSCP) { 4966 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4967 net->dscp = paddrp->spp_dscp & 0xfc; 4968 net->dscp |= 0x01; 4969 } 4970 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 4971 stcb->asoc.default_dscp |= 0x01; 4972 } 4973#ifdef INET6 4974 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 4975 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4976 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 4977 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4978 net->flowlabel |= 0x80000000; 4979 } 4980 } 4981 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4982 stcb->asoc.default_flowlabel |= 0x80000000; 4983 } 4984#endif 4985 } 4986 SCTP_TCB_UNLOCK(stcb); 4987 } else { 4988 /************************NO TCB, SET TO default stuff ******************/ 4989 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4990 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4991 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 4992 SCTP_INP_WLOCK(inp); 4993 /* 4994 * For the TOS/FLOWLABEL stuff you 4995 * set it with the options on the 4996 * socket 4997 */ 4998 if (paddrp->spp_pathmaxrxt) { 4999 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5000 } 5001 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5002 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5003 else if (paddrp->spp_hbinterval) { 5004 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5005 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5006 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5007 } 5008 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5009 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5010 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5011 } else if (paddrp->spp_hbinterval) { 5012 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5013 } 5014 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5015 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5016 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5017 } 5018 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5019 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5020 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5021 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5022 } 5023 if (paddrp->spp_flags & SPP_DSCP) { 5024 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5025 inp->sctp_ep.default_dscp |= 0x01; 5026 } 5027#ifdef INET6 5028 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5029 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5030 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5031 inp->sctp_ep.default_flowlabel |= 0x80000000; 5032 } 5033 } 5034#endif 5035 SCTP_INP_WUNLOCK(inp); 5036 } else { 5037 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5038 error = EINVAL; 5039 } 5040 } 5041 break; 5042 } 5043 case SCTP_RTOINFO: 5044 { 5045 struct sctp_rtoinfo *srto; 5046 uint32_t new_init, new_min, new_max; 5047 5048 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5049 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5050 5051 if (stcb) { 5052 if (srto->srto_initial) 5053 new_init = srto->srto_initial; 5054 else 5055 new_init = stcb->asoc.initial_rto; 5056 if (srto->srto_max) 5057 new_max = srto->srto_max; 5058 else 5059 new_max = stcb->asoc.maxrto; 5060 if (srto->srto_min) 5061 new_min = srto->srto_min; 5062 else 5063 new_min = stcb->asoc.minrto; 5064 if ((new_min <= new_init) && (new_init <= new_max)) { 5065 stcb->asoc.initial_rto = new_init; 5066 stcb->asoc.maxrto = new_max; 5067 stcb->asoc.minrto = new_min; 5068 } else { 5069 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5070 error = EINVAL; 5071 } 5072 SCTP_TCB_UNLOCK(stcb); 5073 } else { 5074 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5075 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5076 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5077 SCTP_INP_WLOCK(inp); 5078 if (srto->srto_initial) 5079 new_init = srto->srto_initial; 5080 else 5081 new_init = inp->sctp_ep.initial_rto; 5082 if (srto->srto_max) 5083 new_max = srto->srto_max; 5084 else 5085 new_max = inp->sctp_ep.sctp_maxrto; 5086 if (srto->srto_min) 5087 new_min = srto->srto_min; 5088 else 5089 new_min = inp->sctp_ep.sctp_minrto; 5090 if ((new_min <= new_init) && (new_init <= new_max)) { 5091 inp->sctp_ep.initial_rto = new_init; 5092 inp->sctp_ep.sctp_maxrto = new_max; 5093 inp->sctp_ep.sctp_minrto = new_min; 5094 } else { 5095 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5096 error = EINVAL; 5097 } 5098 SCTP_INP_WUNLOCK(inp); 5099 } else { 5100 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5101 error = EINVAL; 5102 } 5103 } 5104 break; 5105 } 5106 case SCTP_ASSOCINFO: 5107 { 5108 struct sctp_assocparams *sasoc; 5109 5110 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5111 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5112 if (sasoc->sasoc_cookie_life) { 5113 /* boundary check the cookie life */ 5114 if (sasoc->sasoc_cookie_life < 1000) 5115 sasoc->sasoc_cookie_life = 1000; 5116 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5117 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5118 } 5119 } 5120 if (stcb) { 5121 if (sasoc->sasoc_asocmaxrxt) 5122 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5123 if (sasoc->sasoc_cookie_life) { 5124 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5125 } 5126 SCTP_TCB_UNLOCK(stcb); 5127 } else { 5128 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5129 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5130 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5131 SCTP_INP_WLOCK(inp); 5132 if (sasoc->sasoc_asocmaxrxt) 5133 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5134 if (sasoc->sasoc_cookie_life) { 5135 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5136 } 5137 SCTP_INP_WUNLOCK(inp); 5138 } else { 5139 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5140 error = EINVAL; 5141 } 5142 } 5143 break; 5144 } 5145 case SCTP_INITMSG: 5146 { 5147 struct sctp_initmsg *sinit; 5148 5149 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5150 SCTP_INP_WLOCK(inp); 5151 if (sinit->sinit_num_ostreams) 5152 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5153 5154 if (sinit->sinit_max_instreams) 5155 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5156 5157 if (sinit->sinit_max_attempts) 5158 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5159 5160 if (sinit->sinit_max_init_timeo) 5161 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5162 SCTP_INP_WUNLOCK(inp); 5163 break; 5164 } 5165 case SCTP_PRIMARY_ADDR: 5166 { 5167 struct sctp_setprim *spa; 5168 struct sctp_nets *net; 5169 5170 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5171 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5172 5173 net = NULL; 5174 if (stcb) { 5175 net = sctp_findnet(stcb, (struct sockaddr *)&spa->ssp_addr); 5176 } else { 5177 /* 5178 * We increment here since 5179 * sctp_findassociation_ep_addr() wil do a 5180 * decrement if it finds the stcb as long as 5181 * the locked tcb (last argument) is NOT a 5182 * TCB.. aka NULL. 5183 */ 5184 SCTP_INP_INCR_REF(inp); 5185 stcb = sctp_findassociation_ep_addr(&inp, 5186 (struct sockaddr *)&spa->ssp_addr, 5187 &net, NULL, NULL); 5188 if (stcb == NULL) { 5189 SCTP_INP_DECR_REF(inp); 5190 } 5191 } 5192 5193 if ((stcb) && (net)) { 5194 if ((net != stcb->asoc.primary_destination) && 5195 (!(net->dest_state & SCTP_ADDR_UNCONFIRMED))) { 5196 /* Ok we need to set it */ 5197 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5198 if ((stcb->asoc.alternate) && 5199 (!(net->dest_state & SCTP_ADDR_PF)) && 5200 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5201 sctp_free_remote_addr(stcb->asoc.alternate); 5202 stcb->asoc.alternate = NULL; 5203 } 5204 } 5205 } 5206 } else { 5207 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5208 error = EINVAL; 5209 } 5210 if (stcb) { 5211 SCTP_TCB_UNLOCK(stcb); 5212 } 5213 break; 5214 } 5215 case SCTP_SET_DYNAMIC_PRIMARY: 5216 { 5217 union sctp_sockstore *ss; 5218 5219 error = priv_check(curthread, 5220 PRIV_NETINET_RESERVEDPORT); 5221 if (error) 5222 break; 5223 5224 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5225 /* SUPER USER CHECK? */ 5226 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5227 break; 5228 } 5229 case SCTP_SET_PEER_PRIMARY_ADDR: 5230 { 5231 struct sctp_setpeerprim *sspp; 5232 5233 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5234 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5235 if (stcb != NULL) { 5236 struct sctp_ifa *ifa; 5237 5238 ifa = sctp_find_ifa_by_addr((struct sockaddr *)&sspp->sspp_addr, 5239 stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5240 if (ifa == NULL) { 5241 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5242 error = EINVAL; 5243 goto out_of_it; 5244 } 5245 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5246 /* 5247 * Must validate the ifa found is in 5248 * our ep 5249 */ 5250 struct sctp_laddr *laddr; 5251 int found = 0; 5252 5253 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5254 if (laddr->ifa == NULL) { 5255 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5256 __FUNCTION__); 5257 continue; 5258 } 5259 if (laddr->ifa == ifa) { 5260 found = 1; 5261 break; 5262 } 5263 } 5264 if (!found) { 5265 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5266 error = EINVAL; 5267 goto out_of_it; 5268 } 5269 } 5270 if (sctp_set_primary_ip_address_sa(stcb, 5271 (struct sockaddr *)&sspp->sspp_addr) != 0) { 5272 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5273 error = EINVAL; 5274 } 5275 out_of_it: 5276 SCTP_TCB_UNLOCK(stcb); 5277 } else { 5278 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5279 error = EINVAL; 5280 } 5281 break; 5282 } 5283 case SCTP_BINDX_ADD_ADDR: 5284 { 5285 struct sctp_getaddresses *addrs; 5286 struct thread *td; 5287 5288 td = (struct thread *)p; 5289 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5290 optsize); 5291#ifdef INET 5292 if (addrs->addr->sa_family == AF_INET) { 5293 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5294 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5295 error = EINVAL; 5296 break; 5297 } 5298 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5299 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5300 break; 5301 } 5302 } else 5303#endif 5304#ifdef INET6 5305 if (addrs->addr->sa_family == AF_INET6) { 5306 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5307 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5308 error = EINVAL; 5309 break; 5310 } 5311 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5312 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5313 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5314 break; 5315 } 5316 } else 5317#endif 5318 { 5319 error = EAFNOSUPPORT; 5320 break; 5321 } 5322 sctp_bindx_add_address(so, inp, addrs->addr, 5323 addrs->sget_assoc_id, vrf_id, 5324 &error, p); 5325 break; 5326 } 5327 case SCTP_BINDX_REM_ADDR: 5328 { 5329 struct sctp_getaddresses *addrs; 5330 struct thread *td; 5331 5332 td = (struct thread *)p; 5333 5334 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5335#ifdef INET 5336 if (addrs->addr->sa_family == AF_INET) { 5337 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5338 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5339 error = EINVAL; 5340 break; 5341 } 5342 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5343 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5344 break; 5345 } 5346 } else 5347#endif 5348#ifdef INET6 5349 if (addrs->addr->sa_family == AF_INET6) { 5350 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5351 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5352 error = EINVAL; 5353 break; 5354 } 5355 if (td != NULL && 5356 (error = prison_local_ip6(td->td_ucred, 5357 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5358 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5359 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5360 break; 5361 } 5362 } else 5363#endif 5364 { 5365 error = EAFNOSUPPORT; 5366 break; 5367 } 5368 sctp_bindx_delete_address(inp, addrs->addr, 5369 addrs->sget_assoc_id, vrf_id, 5370 &error); 5371 break; 5372 } 5373 case SCTP_EVENT: 5374 { 5375 struct sctp_event *event; 5376 uint32_t event_type; 5377 5378 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 5379 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 5380 switch (event->se_type) { 5381 case SCTP_ASSOC_CHANGE: 5382 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 5383 break; 5384 case SCTP_PEER_ADDR_CHANGE: 5385 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 5386 break; 5387 case SCTP_REMOTE_ERROR: 5388 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 5389 break; 5390 case SCTP_SEND_FAILED: 5391 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 5392 break; 5393 case SCTP_SHUTDOWN_EVENT: 5394 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 5395 break; 5396 case SCTP_ADAPTATION_INDICATION: 5397 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 5398 break; 5399 case SCTP_PARTIAL_DELIVERY_EVENT: 5400 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 5401 break; 5402 case SCTP_AUTHENTICATION_EVENT: 5403 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 5404 break; 5405 case SCTP_STREAM_RESET_EVENT: 5406 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 5407 break; 5408 case SCTP_SENDER_DRY_EVENT: 5409 event_type = SCTP_PCB_FLAGS_DRYEVNT; 5410 break; 5411 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 5412 event_type = 0; 5413 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5414 error = ENOTSUP; 5415 break; 5416 case SCTP_ASSOC_RESET_EVENT: 5417 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 5418 break; 5419 case SCTP_STREAM_CHANGE_EVENT: 5420 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 5421 break; 5422 case SCTP_SEND_FAILED_EVENT: 5423 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 5424 break; 5425 default: 5426 event_type = 0; 5427 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5428 error = EINVAL; 5429 break; 5430 } 5431 if (event_type > 0) { 5432 if (stcb) { 5433 if (event->se_on) { 5434 sctp_stcb_feature_on(inp, stcb, event_type); 5435 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 5436 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5437 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5438 (stcb->asoc.stream_queue_cnt == 0)) { 5439 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5440 } 5441 } 5442 } else { 5443 sctp_stcb_feature_off(inp, stcb, event_type); 5444 } 5445 SCTP_TCB_UNLOCK(stcb); 5446 } else { 5447 /* 5448 * We don't want to send up a storm 5449 * of events, so return an error for 5450 * sender dry events 5451 */ 5452 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 5453 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 5454 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 5455 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 5456 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 5457 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5458 error = ENOTSUP; 5459 break; 5460 } 5461 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5462 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5463 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 5464 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5465 SCTP_INP_WLOCK(inp); 5466 if (event->se_on) { 5467 sctp_feature_on(inp, event_type); 5468 } else { 5469 sctp_feature_off(inp, event_type); 5470 } 5471 SCTP_INP_WUNLOCK(inp); 5472 } 5473 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 5474 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5475 SCTP_INP_RLOCK(inp); 5476 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5477 SCTP_TCB_LOCK(stcb); 5478 if (event->se_on) { 5479 sctp_stcb_feature_on(inp, stcb, event_type); 5480 } else { 5481 sctp_stcb_feature_off(inp, stcb, event_type); 5482 } 5483 SCTP_TCB_UNLOCK(stcb); 5484 } 5485 SCTP_INP_RUNLOCK(inp); 5486 } 5487 } 5488 } 5489 break; 5490 } 5491 case SCTP_RECVRCVINFO: 5492 { 5493 int *onoff; 5494 5495 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5496 SCTP_INP_WLOCK(inp); 5497 if (*onoff != 0) { 5498 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5499 } else { 5500 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5501 } 5502 SCTP_INP_WUNLOCK(inp); 5503 break; 5504 } 5505 case SCTP_RECVNXTINFO: 5506 { 5507 int *onoff; 5508 5509 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5510 SCTP_INP_WLOCK(inp); 5511 if (*onoff != 0) { 5512 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5513 } else { 5514 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5515 } 5516 SCTP_INP_WUNLOCK(inp); 5517 break; 5518 } 5519 case SCTP_DEFAULT_SNDINFO: 5520 { 5521 struct sctp_sndinfo *info; 5522 uint16_t policy; 5523 5524 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 5525 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 5526 5527 if (stcb) { 5528 if (info->snd_sid < stcb->asoc.streamoutcnt) { 5529 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 5530 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 5531 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 5532 stcb->asoc.def_send.sinfo_flags |= policy; 5533 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 5534 stcb->asoc.def_send.sinfo_context = info->snd_context; 5535 } else { 5536 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5537 error = EINVAL; 5538 } 5539 SCTP_TCB_UNLOCK(stcb); 5540 } else { 5541 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5542 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5543 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 5544 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 5545 SCTP_INP_WLOCK(inp); 5546 inp->def_send.sinfo_stream = info->snd_sid; 5547 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 5548 inp->def_send.sinfo_flags = info->snd_flags; 5549 inp->def_send.sinfo_flags |= policy; 5550 inp->def_send.sinfo_ppid = info->snd_ppid; 5551 inp->def_send.sinfo_context = info->snd_context; 5552 SCTP_INP_WUNLOCK(inp); 5553 } 5554 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 5555 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 5556 SCTP_INP_RLOCK(inp); 5557 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5558 SCTP_TCB_LOCK(stcb); 5559 if (info->snd_sid < stcb->asoc.streamoutcnt) { 5560 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 5561 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 5562 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 5563 stcb->asoc.def_send.sinfo_flags |= policy; 5564 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 5565 stcb->asoc.def_send.sinfo_context = info->snd_context; 5566 } 5567 SCTP_TCB_UNLOCK(stcb); 5568 } 5569 SCTP_INP_RUNLOCK(inp); 5570 } 5571 } 5572 break; 5573 } 5574 case SCTP_DEFAULT_PRINFO: 5575 { 5576 struct sctp_default_prinfo *info; 5577 5578 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 5579 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 5580 5581 if (PR_SCTP_INVALID_POLICY(info->pr_policy)) { 5582 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5583 error = EINVAL; 5584 break; 5585 } 5586 if (stcb) { 5587 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 5588 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 5589 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 5590 SCTP_TCB_UNLOCK(stcb); 5591 } else { 5592 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5593 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5594 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 5595 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 5596 SCTP_INP_WLOCK(inp); 5597 inp->def_send.sinfo_flags &= 0xfff0; 5598 inp->def_send.sinfo_flags |= info->pr_policy; 5599 inp->def_send.sinfo_timetolive = info->pr_value; 5600 SCTP_INP_WUNLOCK(inp); 5601 } 5602 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 5603 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 5604 SCTP_INP_RLOCK(inp); 5605 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5606 SCTP_TCB_LOCK(stcb); 5607 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 5608 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 5609 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 5610 SCTP_TCB_UNLOCK(stcb); 5611 } 5612 SCTP_INP_RUNLOCK(inp); 5613 } 5614 } 5615 break; 5616 } 5617 case SCTP_PEER_ADDR_THLDS: 5618 /* Applies to the specific association */ 5619 { 5620 struct sctp_paddrthlds *thlds; 5621 struct sctp_nets *net; 5622 5623 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 5624 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 5625 net = NULL; 5626 if (stcb) { 5627 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_assoc_id); 5628 } else { 5629 /* 5630 * We increment here since 5631 * sctp_findassociation_ep_addr() wil do a 5632 * decrement if it finds the stcb as long as 5633 * the locked tcb (last argument) is NOT a 5634 * TCB.. aka NULL. 5635 */ 5636 SCTP_INP_INCR_REF(inp); 5637 stcb = sctp_findassociation_ep_addr(&inp, 5638 (struct sockaddr *)&thlds->spt_assoc_id, 5639 &net, NULL, NULL); 5640 if (stcb == NULL) { 5641 SCTP_INP_DECR_REF(inp); 5642 } 5643 } 5644 if (stcb && (net == NULL)) { 5645 struct sockaddr *sa; 5646 5647 sa = (struct sockaddr *)&thlds->spt_assoc_id; 5648#ifdef INET 5649 if (sa->sa_family == AF_INET) { 5650 5651 struct sockaddr_in *sin; 5652 5653 sin = (struct sockaddr_in *)sa; 5654 if (sin->sin_addr.s_addr) { 5655 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5656 SCTP_TCB_UNLOCK(stcb); 5657 error = EINVAL; 5658 break; 5659 } 5660 } else 5661#endif 5662#ifdef INET6 5663 if (sa->sa_family == AF_INET6) { 5664 struct sockaddr_in6 *sin6; 5665 5666 sin6 = (struct sockaddr_in6 *)sa; 5667 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5668 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5669 SCTP_TCB_UNLOCK(stcb); 5670 error = EINVAL; 5671 break; 5672 } 5673 } else 5674#endif 5675 { 5676 error = EAFNOSUPPORT; 5677 SCTP_TCB_UNLOCK(stcb); 5678 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5679 break; 5680 } 5681 } 5682 if (stcb) { 5683 if (net) { 5684 if (net->dest_state & SCTP_ADDR_PF) { 5685 if ((net->failure_threshold > thlds->spt_pathmaxrxt) || 5686 (net->failure_threshold <= thlds->spt_pathpfthld)) { 5687 net->dest_state &= ~SCTP_ADDR_PF; 5688 } 5689 } else { 5690 if ((net->failure_threshold > thlds->spt_pathpfthld) && 5691 (net->failure_threshold <= thlds->spt_pathmaxrxt)) { 5692 net->dest_state |= SCTP_ADDR_PF; 5693 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5694 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5695 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5696 } 5697 } 5698 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5699 if (net->failure_threshold > thlds->spt_pathmaxrxt) { 5700 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5701 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5702 } 5703 } else { 5704 if (net->failure_threshold <= thlds->spt_pathmaxrxt) { 5705 net->dest_state |= SCTP_ADDR_REACHABLE; 5706 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5707 } 5708 } 5709 net->failure_threshold = thlds->spt_pathmaxrxt; 5710 net->pf_threshold = thlds->spt_pathpfthld; 5711 } else { 5712 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5713 if (net->dest_state & SCTP_ADDR_PF) { 5714 if ((net->failure_threshold > thlds->spt_pathmaxrxt) || 5715 (net->failure_threshold <= thlds->spt_pathpfthld)) { 5716 net->dest_state &= ~SCTP_ADDR_PF; 5717 } 5718 } else { 5719 if ((net->failure_threshold > thlds->spt_pathpfthld) && 5720 (net->failure_threshold <= thlds->spt_pathmaxrxt)) { 5721 net->dest_state |= SCTP_ADDR_PF; 5722 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5723 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5724 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5725 } 5726 } 5727 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5728 if (net->failure_threshold > thlds->spt_pathmaxrxt) { 5729 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5730 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5731 } 5732 } else { 5733 if (net->failure_threshold <= thlds->spt_pathmaxrxt) { 5734 net->dest_state |= SCTP_ADDR_REACHABLE; 5735 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5736 } 5737 } 5738 net->failure_threshold = thlds->spt_pathmaxrxt; 5739 net->pf_threshold = thlds->spt_pathpfthld; 5740 } 5741 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 5742 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 5743 } 5744 } else { 5745 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5746 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5747 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 5748 SCTP_INP_WLOCK(inp); 5749 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 5750 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 5751 SCTP_INP_WUNLOCK(inp); 5752 } else { 5753 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5754 error = EINVAL; 5755 } 5756 } 5757 break; 5758 } 5759 case SCTP_REMOTE_UDP_ENCAPS_PORT: 5760 { 5761 struct sctp_udpencaps *encaps; 5762 struct sctp_nets *net; 5763 5764 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 5765 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 5766 if (stcb) { 5767 net = sctp_findnet(stcb, (struct sockaddr *)&encaps->sue_address); 5768 } else { 5769 /* 5770 * We increment here since 5771 * sctp_findassociation_ep_addr() wil do a 5772 * decrement if it finds the stcb as long as 5773 * the locked tcb (last argument) is NOT a 5774 * TCB.. aka NULL. 5775 */ 5776 net = NULL; 5777 SCTP_INP_INCR_REF(inp); 5778 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&encaps->sue_address, &net, NULL, NULL); 5779 if (stcb == NULL) { 5780 SCTP_INP_DECR_REF(inp); 5781 } 5782 } 5783 if (stcb && (net == NULL)) { 5784 struct sockaddr *sa; 5785 5786 sa = (struct sockaddr *)&encaps->sue_address; 5787#ifdef INET 5788 if (sa->sa_family == AF_INET) { 5789 5790 struct sockaddr_in *sin; 5791 5792 sin = (struct sockaddr_in *)sa; 5793 if (sin->sin_addr.s_addr) { 5794 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5795 SCTP_TCB_UNLOCK(stcb); 5796 error = EINVAL; 5797 break; 5798 } 5799 } else 5800#endif 5801#ifdef INET6 5802 if (sa->sa_family == AF_INET6) { 5803 struct sockaddr_in6 *sin6; 5804 5805 sin6 = (struct sockaddr_in6 *)sa; 5806 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5807 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5808 SCTP_TCB_UNLOCK(stcb); 5809 error = EINVAL; 5810 break; 5811 } 5812 } else 5813#endif 5814 { 5815 error = EAFNOSUPPORT; 5816 SCTP_TCB_UNLOCK(stcb); 5817 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5818 break; 5819 } 5820 } 5821 if (stcb) { 5822 if (net) { 5823 net->port = encaps->sue_port; 5824 } else { 5825 stcb->asoc.port = encaps->sue_port; 5826 } 5827 SCTP_TCB_UNLOCK(stcb); 5828 } else { 5829 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5830 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5831 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 5832 SCTP_INP_WLOCK(inp); 5833 inp->sctp_ep.port = encaps->sue_port; 5834 SCTP_INP_WUNLOCK(inp); 5835 } else { 5836 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5837 error = EINVAL; 5838 } 5839 } 5840 break; 5841 } 5842 default: 5843 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 5844 error = ENOPROTOOPT; 5845 break; 5846 } /* end switch (opt) */ 5847 return (error); 5848} 5849 5850int 5851sctp_ctloutput(struct socket *so, struct sockopt *sopt) 5852{ 5853 void *optval = NULL; 5854 size_t optsize = 0; 5855 void *p; 5856 int error = 0; 5857 5858 if (sopt->sopt_level != IPPROTO_SCTP) { 5859 /* wrong proto level... send back up to IP */ 5860#ifdef INET6 5861 if (INP_CHECK_SOCKAF(so, AF_INET6)) 5862 error = ip6_ctloutput(so, sopt); 5863#endif /* INET6 */ 5864#if defined(INET) && defined(INET6) 5865 else 5866#endif 5867#ifdef INET 5868 error = ip_ctloutput(so, sopt); 5869#endif 5870 return (error); 5871 } 5872 optsize = sopt->sopt_valsize; 5873 if (optsize) { 5874 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 5875 if (optval == NULL) { 5876 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 5877 return (ENOBUFS); 5878 } 5879 error = sooptcopyin(sopt, optval, optsize, optsize); 5880 if (error) { 5881 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5882 goto out; 5883 } 5884 } 5885 p = (void *)sopt->sopt_td; 5886 if (sopt->sopt_dir == SOPT_SET) { 5887 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 5888 } else if (sopt->sopt_dir == SOPT_GET) { 5889 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 5890 } else { 5891 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5892 error = EINVAL; 5893 } 5894 if ((error == 0) && (optval != NULL)) { 5895 error = sooptcopyout(sopt, optval, optsize); 5896 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5897 } else if (optval != NULL) { 5898 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5899 } 5900out: 5901 return (error); 5902} 5903 5904#ifdef INET 5905static int 5906sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 5907{ 5908 int error = 0; 5909 int create_lock_on = 0; 5910 uint32_t vrf_id; 5911 struct sctp_inpcb *inp; 5912 struct sctp_tcb *stcb = NULL; 5913 5914 inp = (struct sctp_inpcb *)so->so_pcb; 5915 if (inp == NULL) { 5916 /* I made the same as TCP since we are not setup? */ 5917 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5918 return (ECONNRESET); 5919 } 5920 if (addr == NULL) { 5921 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5922 return EINVAL; 5923 } 5924 switch (addr->sa_family) { 5925#ifdef INET6 5926 case AF_INET6: 5927 { 5928 struct sockaddr_in6 *sin6p; 5929 5930 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 5931 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5932 return (EINVAL); 5933 } 5934 sin6p = (struct sockaddr_in6 *)addr; 5935 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 5936 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5937 return (error); 5938 } 5939 break; 5940 } 5941#endif 5942#ifdef INET 5943 case AF_INET: 5944 { 5945 struct sockaddr_in *sinp; 5946 5947 if (addr->sa_len != sizeof(struct sockaddr_in)) { 5948 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5949 return (EINVAL); 5950 } 5951 sinp = (struct sockaddr_in *)addr; 5952 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 5953 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5954 return (error); 5955 } 5956 break; 5957 } 5958#endif 5959 default: 5960 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 5961 return (EAFNOSUPPORT); 5962 } 5963 SCTP_INP_INCR_REF(inp); 5964 SCTP_ASOC_CREATE_LOCK(inp); 5965 create_lock_on = 1; 5966 5967 5968 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 5969 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 5970 /* Should I really unlock ? */ 5971 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 5972 error = EFAULT; 5973 goto out_now; 5974 } 5975#ifdef INET6 5976 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 5977 (addr->sa_family == AF_INET6)) { 5978 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5979 error = EINVAL; 5980 goto out_now; 5981 } 5982#endif 5983 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 5984 SCTP_PCB_FLAGS_UNBOUND) { 5985 /* Bind a ephemeral port */ 5986 error = sctp_inpcb_bind(so, NULL, NULL, p); 5987 if (error) { 5988 goto out_now; 5989 } 5990 } 5991 /* Now do we connect? */ 5992 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 5993 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 5994 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5995 error = EINVAL; 5996 goto out_now; 5997 } 5998 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 5999 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6000 /* We are already connected AND the TCP model */ 6001 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6002 error = EADDRINUSE; 6003 goto out_now; 6004 } 6005 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6006 SCTP_INP_RLOCK(inp); 6007 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6008 SCTP_INP_RUNLOCK(inp); 6009 } else { 6010 /* 6011 * We increment here since sctp_findassociation_ep_addr() 6012 * will do a decrement if it finds the stcb as long as the 6013 * locked tcb (last argument) is NOT a TCB.. aka NULL. 6014 */ 6015 SCTP_INP_INCR_REF(inp); 6016 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 6017 if (stcb == NULL) { 6018 SCTP_INP_DECR_REF(inp); 6019 } else { 6020 SCTP_TCB_UNLOCK(stcb); 6021 } 6022 } 6023 if (stcb != NULL) { 6024 /* Already have or am bring up an association */ 6025 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 6026 error = EALREADY; 6027 goto out_now; 6028 } 6029 vrf_id = inp->def_vrf_id; 6030 /* We are GOOD to go */ 6031 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, p); 6032 if (stcb == NULL) { 6033 /* Gak! no memory */ 6034 goto out_now; 6035 } 6036 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 6037 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 6038 /* Set the connected flag so we can queue data */ 6039 soisconnecting(so); 6040 } 6041 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 6042 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 6043 6044 /* initialize authentication parameters for the assoc */ 6045 sctp_initialize_auth_params(inp, stcb); 6046 6047 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 6048 SCTP_TCB_UNLOCK(stcb); 6049out_now: 6050 if (create_lock_on) { 6051 SCTP_ASOC_CREATE_UNLOCK(inp); 6052 } 6053 SCTP_INP_DECR_REF(inp); 6054 return (error); 6055} 6056 6057#endif 6058 6059int 6060sctp_listen(struct socket *so, int backlog, struct thread *p) 6061{ 6062 /* 6063 * Note this module depends on the protocol processing being called 6064 * AFTER any socket level flags and backlog are applied to the 6065 * socket. The traditional way that the socket flags are applied is 6066 * AFTER protocol processing. We have made a change to the 6067 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 6068 * place if the socket API for SCTP is to work properly. 6069 */ 6070 6071 int error = 0; 6072 struct sctp_inpcb *inp; 6073 6074 inp = (struct sctp_inpcb *)so->so_pcb; 6075 if (inp == NULL) { 6076 /* I made the same as TCP since we are not setup? */ 6077 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6078 return (ECONNRESET); 6079 } 6080 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 6081 /* See if we have a listener */ 6082 struct sctp_inpcb *tinp; 6083 union sctp_sockstore store, *sp; 6084 6085 sp = &store; 6086 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 6087 /* not bound all */ 6088 struct sctp_laddr *laddr; 6089 6090 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6091 memcpy(&store, &laddr->ifa->address, sizeof(store)); 6092 switch (sp->sa.sa_family) { 6093#ifdef INET 6094 case AF_INET: 6095 sp->sin.sin_port = inp->sctp_lport; 6096 break; 6097#endif 6098#ifdef INET6 6099 case AF_INET6: 6100 sp->sin6.sin6_port = inp->sctp_lport; 6101 break; 6102#endif 6103 default: 6104 break; 6105 } 6106 tinp = sctp_pcb_findep(&sp->sa, 0, 0, inp->def_vrf_id); 6107 if (tinp && (tinp != inp) && 6108 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6109 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6110 (tinp->sctp_socket->so_qlimit)) { 6111 /* 6112 * we have a listener already and 6113 * its not this inp. 6114 */ 6115 SCTP_INP_DECR_REF(tinp); 6116 return (EADDRINUSE); 6117 } else if (tinp) { 6118 SCTP_INP_DECR_REF(tinp); 6119 } 6120 } 6121 } else { 6122 /* Setup a local addr bound all */ 6123 memset(&store, 0, sizeof(store)); 6124 switch (sp->sa.sa_family) { 6125#ifdef INET 6126 case AF_INET: 6127 store.sin.sin_port = inp->sctp_lport; 6128 break; 6129#endif 6130#ifdef INET6 6131 case AF_INET6: 6132 sp->sin6.sin6_port = inp->sctp_lport; 6133 break; 6134#endif 6135 default: 6136 break; 6137 } 6138#ifdef INET6 6139 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 6140 store.sa.sa_family = AF_INET6; 6141 store.sa.sa_len = sizeof(struct sockaddr_in6); 6142 } 6143#endif 6144#ifdef INET 6145 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 6146 store.sa.sa_family = AF_INET; 6147 store.sa.sa_len = sizeof(struct sockaddr_in); 6148 } 6149#endif 6150 tinp = sctp_pcb_findep(&sp->sa, 0, 0, inp->def_vrf_id); 6151 if (tinp && (tinp != inp) && 6152 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6153 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6154 (tinp->sctp_socket->so_qlimit)) { 6155 /* 6156 * we have a listener already and its not 6157 * this inp. 6158 */ 6159 SCTP_INP_DECR_REF(tinp); 6160 return (EADDRINUSE); 6161 } else if (tinp) { 6162 SCTP_INP_DECR_REF(inp); 6163 } 6164 } 6165 } 6166 SCTP_INP_RLOCK(inp); 6167#ifdef SCTP_LOCK_LOGGING 6168 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 6169 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 6170 } 6171#endif 6172 SOCK_LOCK(so); 6173 error = solisten_proto_check(so); 6174 if (error) { 6175 SOCK_UNLOCK(so); 6176 SCTP_INP_RUNLOCK(inp); 6177 return (error); 6178 } 6179 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 6180 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 6181 /* 6182 * The unlucky case - We are in the tcp pool with this guy. 6183 * - Someone else is in the main inp slot. - We must move 6184 * this guy (the listener) to the main slot - We must then 6185 * move the guy that was listener to the TCP Pool. 6186 */ 6187 if (sctp_swap_inpcb_for_listen(inp)) { 6188 goto in_use; 6189 } 6190 } 6191 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6192 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6193 /* We are already connected AND the TCP model */ 6194in_use: 6195 SCTP_INP_RUNLOCK(inp); 6196 SOCK_UNLOCK(so); 6197 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6198 return (EADDRINUSE); 6199 } 6200 SCTP_INP_RUNLOCK(inp); 6201 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 6202 /* We must do a bind. */ 6203 SOCK_UNLOCK(so); 6204 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 6205 /* bind error, probably perm */ 6206 return (error); 6207 } 6208 SOCK_LOCK(so); 6209 } 6210 /* It appears for 7.0 and on, we must always call this. */ 6211 solisten_proto(so, backlog); 6212 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 6213 /* remove the ACCEPTCONN flag for one-to-many sockets */ 6214 so->so_options &= ~SO_ACCEPTCONN; 6215 } 6216 if (backlog == 0) { 6217 /* turning off listen */ 6218 so->so_options &= ~SO_ACCEPTCONN; 6219 } 6220 SOCK_UNLOCK(so); 6221 return (error); 6222} 6223 6224static int sctp_defered_wakeup_cnt = 0; 6225 6226int 6227sctp_accept(struct socket *so, struct sockaddr **addr) 6228{ 6229 struct sctp_tcb *stcb; 6230 struct sctp_inpcb *inp; 6231 union sctp_sockstore store; 6232 6233#ifdef INET6 6234 int error; 6235 6236#endif 6237 inp = (struct sctp_inpcb *)so->so_pcb; 6238 6239 if (inp == NULL) { 6240 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6241 return (ECONNRESET); 6242 } 6243 SCTP_INP_RLOCK(inp); 6244 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 6245 SCTP_INP_RUNLOCK(inp); 6246 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 6247 return (EOPNOTSUPP); 6248 } 6249 if (so->so_state & SS_ISDISCONNECTED) { 6250 SCTP_INP_RUNLOCK(inp); 6251 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 6252 return (ECONNABORTED); 6253 } 6254 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6255 if (stcb == NULL) { 6256 SCTP_INP_RUNLOCK(inp); 6257 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6258 return (ECONNRESET); 6259 } 6260 SCTP_TCB_LOCK(stcb); 6261 SCTP_INP_RUNLOCK(inp); 6262 store = stcb->asoc.primary_destination->ro._l_addr; 6263 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 6264 SCTP_TCB_UNLOCK(stcb); 6265 switch (store.sa.sa_family) { 6266#ifdef INET 6267 case AF_INET: 6268 { 6269 struct sockaddr_in *sin; 6270 6271 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6272 if (sin == NULL) 6273 return (ENOMEM); 6274 sin->sin_family = AF_INET; 6275 sin->sin_len = sizeof(*sin); 6276 sin->sin_port = store.sin.sin_port; 6277 sin->sin_addr = store.sin.sin_addr; 6278 *addr = (struct sockaddr *)sin; 6279 break; 6280 } 6281#endif 6282#ifdef INET6 6283 case AF_INET6: 6284 { 6285 struct sockaddr_in6 *sin6; 6286 6287 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 6288 if (sin6 == NULL) 6289 return (ENOMEM); 6290 sin6->sin6_family = AF_INET6; 6291 sin6->sin6_len = sizeof(*sin6); 6292 sin6->sin6_port = store.sin6.sin6_port; 6293 sin6->sin6_addr = store.sin6.sin6_addr; 6294 if ((error = sa6_recoverscope(sin6)) != 0) { 6295 SCTP_FREE_SONAME(sin6); 6296 return (error); 6297 } 6298 *addr = (struct sockaddr *)sin6; 6299 break; 6300 } 6301#endif 6302 default: 6303 /* TSNH */ 6304 break; 6305 } 6306 /* Wake any delayed sleep action */ 6307 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 6308 SCTP_INP_WLOCK(inp); 6309 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 6310 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 6311 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 6312 SCTP_INP_WUNLOCK(inp); 6313 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 6314 if (sowriteable(inp->sctp_socket)) { 6315 sowwakeup_locked(inp->sctp_socket); 6316 } else { 6317 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 6318 } 6319 SCTP_INP_WLOCK(inp); 6320 } 6321 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 6322 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 6323 SCTP_INP_WUNLOCK(inp); 6324 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 6325 if (soreadable(inp->sctp_socket)) { 6326 sctp_defered_wakeup_cnt++; 6327 sorwakeup_locked(inp->sctp_socket); 6328 } else { 6329 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 6330 } 6331 SCTP_INP_WLOCK(inp); 6332 } 6333 SCTP_INP_WUNLOCK(inp); 6334 } 6335 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 6336 SCTP_TCB_LOCK(stcb); 6337 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 6338 } 6339 return (0); 6340} 6341 6342#ifdef INET 6343int 6344sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 6345{ 6346 struct sockaddr_in *sin; 6347 uint32_t vrf_id; 6348 struct sctp_inpcb *inp; 6349 struct sctp_ifa *sctp_ifa; 6350 6351 /* 6352 * Do the malloc first in case it blocks. 6353 */ 6354 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6355 if (sin == NULL) 6356 return (ENOMEM); 6357 sin->sin_family = AF_INET; 6358 sin->sin_len = sizeof(*sin); 6359 inp = (struct sctp_inpcb *)so->so_pcb; 6360 if (!inp) { 6361 SCTP_FREE_SONAME(sin); 6362 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6363 return (ECONNRESET); 6364 } 6365 SCTP_INP_RLOCK(inp); 6366 sin->sin_port = inp->sctp_lport; 6367 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 6368 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6369 struct sctp_tcb *stcb; 6370 struct sockaddr_in *sin_a; 6371 struct sctp_nets *net; 6372 int fnd; 6373 6374 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6375 if (stcb == NULL) { 6376 goto notConn; 6377 } 6378 fnd = 0; 6379 sin_a = NULL; 6380 SCTP_TCB_LOCK(stcb); 6381 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6382 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 6383 if (sin_a == NULL) 6384 /* this will make coverity happy */ 6385 continue; 6386 6387 if (sin_a->sin_family == AF_INET) { 6388 fnd = 1; 6389 break; 6390 } 6391 } 6392 if ((!fnd) || (sin_a == NULL)) { 6393 /* punt */ 6394 SCTP_TCB_UNLOCK(stcb); 6395 goto notConn; 6396 } 6397 vrf_id = inp->def_vrf_id; 6398 sctp_ifa = sctp_source_address_selection(inp, 6399 stcb, 6400 (sctp_route_t *) & net->ro, 6401 net, 0, vrf_id); 6402 if (sctp_ifa) { 6403 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 6404 sctp_free_ifa(sctp_ifa); 6405 } 6406 SCTP_TCB_UNLOCK(stcb); 6407 } else { 6408 /* For the bound all case you get back 0 */ 6409 notConn: 6410 sin->sin_addr.s_addr = 0; 6411 } 6412 6413 } else { 6414 /* Take the first IPv4 address in the list */ 6415 struct sctp_laddr *laddr; 6416 int fnd = 0; 6417 6418 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6419 if (laddr->ifa->address.sa.sa_family == AF_INET) { 6420 struct sockaddr_in *sin_a; 6421 6422 sin_a = (struct sockaddr_in *)&laddr->ifa->address.sa; 6423 sin->sin_addr = sin_a->sin_addr; 6424 fnd = 1; 6425 break; 6426 } 6427 } 6428 if (!fnd) { 6429 SCTP_FREE_SONAME(sin); 6430 SCTP_INP_RUNLOCK(inp); 6431 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 6432 return (ENOENT); 6433 } 6434 } 6435 SCTP_INP_RUNLOCK(inp); 6436 (*addr) = (struct sockaddr *)sin; 6437 return (0); 6438} 6439 6440int 6441sctp_peeraddr(struct socket *so, struct sockaddr **addr) 6442{ 6443 struct sockaddr_in *sin; 6444 int fnd; 6445 struct sockaddr_in *sin_a; 6446 struct sctp_inpcb *inp; 6447 struct sctp_tcb *stcb; 6448 struct sctp_nets *net; 6449 6450 /* Do the malloc first in case it blocks. */ 6451 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6452 if (sin == NULL) 6453 return (ENOMEM); 6454 sin->sin_family = AF_INET; 6455 sin->sin_len = sizeof(*sin); 6456 6457 inp = (struct sctp_inpcb *)so->so_pcb; 6458 if ((inp == NULL) || 6459 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 6460 /* UDP type and listeners will drop out here */ 6461 SCTP_FREE_SONAME(sin); 6462 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 6463 return (ENOTCONN); 6464 } 6465 SCTP_INP_RLOCK(inp); 6466 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6467 if (stcb) { 6468 SCTP_TCB_LOCK(stcb); 6469 } 6470 SCTP_INP_RUNLOCK(inp); 6471 if (stcb == NULL) { 6472 SCTP_FREE_SONAME(sin); 6473 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6474 return (ECONNRESET); 6475 } 6476 fnd = 0; 6477 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6478 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 6479 if (sin_a->sin_family == AF_INET) { 6480 fnd = 1; 6481 sin->sin_port = stcb->rport; 6482 sin->sin_addr = sin_a->sin_addr; 6483 break; 6484 } 6485 } 6486 SCTP_TCB_UNLOCK(stcb); 6487 if (!fnd) { 6488 /* No IPv4 address */ 6489 SCTP_FREE_SONAME(sin); 6490 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 6491 return (ENOENT); 6492 } 6493 (*addr) = (struct sockaddr *)sin; 6494 return (0); 6495} 6496 6497struct pr_usrreqs sctp_usrreqs = { 6498 .pru_abort = sctp_abort, 6499 .pru_accept = sctp_accept, 6500 .pru_attach = sctp_attach, 6501 .pru_bind = sctp_bind, 6502 .pru_connect = sctp_connect, 6503 .pru_control = in_control, 6504 .pru_close = sctp_close, 6505 .pru_detach = sctp_close, 6506 .pru_sopoll = sopoll_generic, 6507 .pru_flush = sctp_flush, 6508 .pru_disconnect = sctp_disconnect, 6509 .pru_listen = sctp_listen, 6510 .pru_peeraddr = sctp_peeraddr, 6511 .pru_send = sctp_sendm, 6512 .pru_shutdown = sctp_shutdown, 6513 .pru_sockaddr = sctp_ingetaddr, 6514 .pru_sosend = sctp_sosend, 6515 .pru_soreceive = sctp_soreceive 6516}; 6517 6518#endif 6519