sctp_usrreq.c revision 267769
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: stable/10/sys/netinet/sctp_usrreq.c 267769 2014-06-23 07:54:12Z tuexen $"); 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_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 858 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 859 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 860 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 861 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 862 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 863 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 864 } 865 SCTP_INP_RUNLOCK(inp); 866 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 867 return (0); 868 } else { 869 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 870 } 871 } 872 soisdisconnecting(so); 873 SCTP_TCB_UNLOCK(stcb); 874 SCTP_INP_RUNLOCK(inp); 875 return (0); 876 } 877 /* not reached */ 878 } else { 879 /* UDP model does not support this */ 880 SCTP_INP_RUNLOCK(inp); 881 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 882 return (EOPNOTSUPP); 883 } 884} 885 886int 887sctp_flush(struct socket *so, int how) 888{ 889 /* 890 * We will just clear out the values and let subsequent close clear 891 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 892 * they will not be able to read the data, the socket will block 893 * that from happening. 894 */ 895 struct sctp_inpcb *inp; 896 897 inp = (struct sctp_inpcb *)so->so_pcb; 898 if (inp == NULL) { 899 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 900 return (EINVAL); 901 } 902 SCTP_INP_RLOCK(inp); 903 /* For the 1 to many model this does nothing */ 904 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 905 SCTP_INP_RUNLOCK(inp); 906 return (0); 907 } 908 SCTP_INP_RUNLOCK(inp); 909 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 910 /* 911 * First make sure the sb will be happy, we don't use these 912 * except maybe the count 913 */ 914 SCTP_INP_WLOCK(inp); 915 SCTP_INP_READ_LOCK(inp); 916 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 917 SCTP_INP_READ_UNLOCK(inp); 918 SCTP_INP_WUNLOCK(inp); 919 so->so_rcv.sb_cc = 0; 920 so->so_rcv.sb_mbcnt = 0; 921 so->so_rcv.sb_mb = NULL; 922 } 923 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 924 /* 925 * First make sure the sb will be happy, we don't use these 926 * except maybe the count 927 */ 928 so->so_snd.sb_cc = 0; 929 so->so_snd.sb_mbcnt = 0; 930 so->so_snd.sb_mb = NULL; 931 932 } 933 return (0); 934} 935 936int 937sctp_shutdown(struct socket *so) 938{ 939 struct sctp_inpcb *inp; 940 941 inp = (struct sctp_inpcb *)so->so_pcb; 942 if (inp == NULL) { 943 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 944 return (EINVAL); 945 } 946 SCTP_INP_RLOCK(inp); 947 /* For UDP model this is a invalid call */ 948 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 949 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 950 /* Restore the flags that the soshutdown took away. */ 951 SOCKBUF_LOCK(&so->so_rcv); 952 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 953 SOCKBUF_UNLOCK(&so->so_rcv); 954 /* This proc will wakeup for read and do nothing (I hope) */ 955 SCTP_INP_RUNLOCK(inp); 956 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 957 return (EOPNOTSUPP); 958 } 959 /* 960 * Ok if we reach here its the TCP model and it is either a SHUT_WR 961 * or SHUT_RDWR. This means we put the shutdown flag against it. 962 */ 963 { 964 struct sctp_tcb *stcb; 965 struct sctp_association *asoc; 966 967 if ((so->so_state & 968 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 969 SCTP_INP_RUNLOCK(inp); 970 return (ENOTCONN); 971 } 972 socantsendmore(so); 973 974 stcb = LIST_FIRST(&inp->sctp_asoc_list); 975 if (stcb == NULL) { 976 /* 977 * Ok we hit the case that the shutdown call was 978 * made after an abort or something. Nothing to do 979 * now. 980 */ 981 SCTP_INP_RUNLOCK(inp); 982 return (0); 983 } 984 SCTP_TCB_LOCK(stcb); 985 asoc = &stcb->asoc; 986 if (TAILQ_EMPTY(&asoc->send_queue) && 987 TAILQ_EMPTY(&asoc->sent_queue) && 988 (asoc->stream_queue_cnt == 0)) { 989 if (asoc->locked_on_sending) { 990 goto abort_anyway; 991 } 992 /* there is nothing queued to send, so I'm done... */ 993 if (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) { 994 /* only send SHUTDOWN the first time through */ 995 struct sctp_nets *netp; 996 997 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 998 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 999 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 1000 } 1001 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 1002 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 1003 sctp_stop_timers_for_shutdown(stcb); 1004 if (stcb->asoc.alternate) { 1005 netp = stcb->asoc.alternate; 1006 } else { 1007 netp = stcb->asoc.primary_destination; 1008 } 1009 sctp_send_shutdown(stcb, netp); 1010 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 1011 stcb->sctp_ep, stcb, netp); 1012 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 1013 stcb->sctp_ep, stcb, netp); 1014 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 1015 } 1016 } else { 1017 /* 1018 * we still got (or just got) data to send, so set 1019 * SHUTDOWN_PENDING 1020 */ 1021 struct sctp_nets *netp; 1022 1023 if (stcb->asoc.alternate) { 1024 netp = stcb->asoc.alternate; 1025 } else { 1026 netp = stcb->asoc.primary_destination; 1027 } 1028 1029 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 1030 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 1031 netp); 1032 1033 if (asoc->locked_on_sending) { 1034 /* Locked to send out the data */ 1035 struct sctp_stream_queue_pending *sp; 1036 1037 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 1038 if (sp == NULL) { 1039 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 1040 asoc->locked_on_sending->stream_no); 1041 } else { 1042 if ((sp->length == 0) && (sp->msg_is_complete == 0)) { 1043 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 1044 } 1045 } 1046 } 1047 if (TAILQ_EMPTY(&asoc->send_queue) && 1048 TAILQ_EMPTY(&asoc->sent_queue) && 1049 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 1050 struct mbuf *op_err; 1051 1052 abort_anyway: 1053 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 1054 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 1055 sctp_abort_an_association(stcb->sctp_ep, stcb, 1056 op_err, SCTP_SO_LOCKED); 1057 goto skip_unlock; 1058 } else { 1059 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 1060 } 1061 } 1062 SCTP_TCB_UNLOCK(stcb); 1063 } 1064skip_unlock: 1065 SCTP_INP_RUNLOCK(inp); 1066 return (0); 1067} 1068 1069/* 1070 * copies a "user" presentable address and removes embedded scope, etc. 1071 * returns 0 on success, 1 on error 1072 */ 1073static uint32_t 1074sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 1075{ 1076#ifdef INET6 1077 struct sockaddr_in6 lsa6; 1078 1079 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 1080 &lsa6); 1081#endif 1082 memcpy(ss, sa, sa->sa_len); 1083 return (0); 1084} 1085 1086 1087 1088/* 1089 * NOTE: assumes addr lock is held 1090 */ 1091static size_t 1092sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1093 struct sctp_tcb *stcb, 1094 size_t limit, 1095 struct sockaddr_storage *sas, 1096 uint32_t vrf_id) 1097{ 1098 struct sctp_ifn *sctp_ifn; 1099 struct sctp_ifa *sctp_ifa; 1100 size_t actual; 1101 int loopback_scope; 1102 1103#if defined(INET) 1104 int ipv4_local_scope, ipv4_addr_legal; 1105 1106#endif 1107#if defined(INET6) 1108 int local_scope, site_scope, ipv6_addr_legal; 1109 1110#endif 1111 struct sctp_vrf *vrf; 1112 1113 actual = 0; 1114 if (limit <= 0) 1115 return (actual); 1116 1117 if (stcb) { 1118 /* Turn on all the appropriate scope */ 1119 loopback_scope = stcb->asoc.scope.loopback_scope; 1120#if defined(INET) 1121 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1122 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1123#endif 1124#if defined(INET6) 1125 local_scope = stcb->asoc.scope.local_scope; 1126 site_scope = stcb->asoc.scope.site_scope; 1127 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1128#endif 1129 } else { 1130 /* Use generic values for endpoints. */ 1131 loopback_scope = 1; 1132#if defined(INET) 1133 ipv4_local_scope = 1; 1134#endif 1135#if defined(INET6) 1136 local_scope = 1; 1137 site_scope = 1; 1138#endif 1139 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1140#if defined(INET6) 1141 ipv6_addr_legal = 1; 1142#endif 1143#if defined(INET) 1144 if (SCTP_IPV6_V6ONLY(inp)) { 1145 ipv4_addr_legal = 0; 1146 } else { 1147 ipv4_addr_legal = 1; 1148 } 1149#endif 1150 } else { 1151#if defined(INET6) 1152 ipv6_addr_legal = 0; 1153#endif 1154#if defined(INET) 1155 ipv4_addr_legal = 1; 1156#endif 1157 } 1158 } 1159 vrf = sctp_find_vrf(vrf_id); 1160 if (vrf == NULL) { 1161 return (0); 1162 } 1163 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1164 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1165 if ((loopback_scope == 0) && 1166 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1167 /* Skip loopback if loopback_scope not set */ 1168 continue; 1169 } 1170 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1171 if (stcb) { 1172 /* 1173 * For the BOUND-ALL case, the list 1174 * associated with a TCB is Always 1175 * considered a reverse list.. i.e. 1176 * it lists addresses that are NOT 1177 * part of the association. If this 1178 * is one of those we must skip it. 1179 */ 1180 if (sctp_is_addr_restricted(stcb, 1181 sctp_ifa)) { 1182 continue; 1183 } 1184 } 1185 switch (sctp_ifa->address.sa.sa_family) { 1186#ifdef INET 1187 case AF_INET: 1188 if (ipv4_addr_legal) { 1189 struct sockaddr_in *sin; 1190 1191 sin = (struct sockaddr_in *)&sctp_ifa->address.sa; 1192 if (sin->sin_addr.s_addr == 0) { 1193 /* 1194 * we skip 1195 * unspecifed 1196 * addresses 1197 */ 1198 continue; 1199 } 1200 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1201 &sin->sin_addr) != 0) { 1202 continue; 1203 } 1204 if ((ipv4_local_scope == 0) && 1205 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1206 continue; 1207 } 1208#ifdef INET6 1209 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1210 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1211 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1212 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1213 actual += sizeof(struct sockaddr_in6); 1214 } else { 1215#endif 1216 memcpy(sas, sin, sizeof(*sin)); 1217 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1218 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin)); 1219 actual += sizeof(*sin); 1220#ifdef INET6 1221 } 1222#endif 1223 if (actual >= limit) { 1224 return (actual); 1225 } 1226 } else { 1227 continue; 1228 } 1229 break; 1230#endif 1231#ifdef INET6 1232 case AF_INET6: 1233 if (ipv6_addr_legal) { 1234 struct sockaddr_in6 *sin6; 1235 1236 sin6 = (struct sockaddr_in6 *)&sctp_ifa->address.sa; 1237 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1238 /* 1239 * we skip 1240 * unspecifed 1241 * addresses 1242 */ 1243 continue; 1244 } 1245 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1246 &sin6->sin6_addr) != 0) { 1247 continue; 1248 } 1249 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1250 if (local_scope == 0) 1251 continue; 1252 if (sin6->sin6_scope_id == 0) { 1253 if (sa6_recoverscope(sin6) != 0) 1254 /* 1255 * 1256 * bad 1257 * 1258 * li 1259 * nk 1260 * 1261 * loc 1262 * al 1263 * 1264 * add 1265 * re 1266 * ss 1267 * */ 1268 continue; 1269 } 1270 } 1271 if ((site_scope == 0) && 1272 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1273 continue; 1274 } 1275 memcpy(sas, sin6, sizeof(*sin6)); 1276 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1277 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6)); 1278 actual += sizeof(*sin6); 1279 if (actual >= limit) { 1280 return (actual); 1281 } 1282 } else { 1283 continue; 1284 } 1285 break; 1286#endif 1287 default: 1288 /* TSNH */ 1289 break; 1290 } 1291 } 1292 } 1293 } else { 1294 struct sctp_laddr *laddr; 1295 1296 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1297 if (stcb) { 1298 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1299 continue; 1300 } 1301 } 1302 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1303 continue; 1304 switch (laddr->ifa->address.sa.sa_family) { 1305#ifdef INET 1306 case AF_INET: 1307 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1308 break; 1309#endif 1310#ifdef INET6 1311 case AF_INET6: 1312 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1313 break; 1314#endif 1315 default: 1316 /* TSNH */ 1317 break; 1318 } 1319 sas = (struct sockaddr_storage *)((caddr_t)sas + 1320 laddr->ifa->address.sa.sa_len); 1321 actual += laddr->ifa->address.sa.sa_len; 1322 if (actual >= limit) { 1323 return (actual); 1324 } 1325 } 1326 } 1327 return (actual); 1328} 1329 1330static size_t 1331sctp_fill_up_addresses(struct sctp_inpcb *inp, 1332 struct sctp_tcb *stcb, 1333 size_t limit, 1334 struct sockaddr_storage *sas) 1335{ 1336 size_t size = 0; 1337 1338 SCTP_IPI_ADDR_RLOCK(); 1339 /* fill up addresses for the endpoint's default vrf */ 1340 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1341 inp->def_vrf_id); 1342 SCTP_IPI_ADDR_RUNLOCK(); 1343 return (size); 1344} 1345 1346/* 1347 * NOTE: assumes addr lock is held 1348 */ 1349static int 1350sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1351{ 1352 int cnt = 0; 1353 struct sctp_vrf *vrf = NULL; 1354 1355 /* 1356 * In both sub-set bound an bound_all cases we return the MAXIMUM 1357 * number of addresses that you COULD get. In reality the sub-set 1358 * bound may have an exclusion list for a given TCB OR in the 1359 * bound-all case a TCB may NOT include the loopback or other 1360 * addresses as well. 1361 */ 1362 vrf = sctp_find_vrf(vrf_id); 1363 if (vrf == NULL) { 1364 return (0); 1365 } 1366 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1367 struct sctp_ifn *sctp_ifn; 1368 struct sctp_ifa *sctp_ifa; 1369 1370 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1371 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1372 /* Count them if they are the right type */ 1373 switch (sctp_ifa->address.sa.sa_family) { 1374#ifdef INET 1375 case AF_INET: 1376 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1377 cnt += sizeof(struct sockaddr_in6); 1378 else 1379 cnt += sizeof(struct sockaddr_in); 1380 break; 1381#endif 1382#ifdef INET6 1383 case AF_INET6: 1384 cnt += sizeof(struct sockaddr_in6); 1385 break; 1386#endif 1387 default: 1388 break; 1389 } 1390 } 1391 } 1392 } else { 1393 struct sctp_laddr *laddr; 1394 1395 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1396 switch (laddr->ifa->address.sa.sa_family) { 1397#ifdef INET 1398 case AF_INET: 1399 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1400 cnt += sizeof(struct sockaddr_in6); 1401 else 1402 cnt += sizeof(struct sockaddr_in); 1403 break; 1404#endif 1405#ifdef INET6 1406 case AF_INET6: 1407 cnt += sizeof(struct sockaddr_in6); 1408 break; 1409#endif 1410 default: 1411 break; 1412 } 1413 } 1414 } 1415 return (cnt); 1416} 1417 1418static int 1419sctp_count_max_addresses(struct sctp_inpcb *inp) 1420{ 1421 int cnt = 0; 1422 1423 SCTP_IPI_ADDR_RLOCK(); 1424 /* count addresses for the endpoint's default VRF */ 1425 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1426 SCTP_IPI_ADDR_RUNLOCK(); 1427 return (cnt); 1428} 1429 1430static int 1431sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1432 size_t optsize, void *p, int delay) 1433{ 1434 int error = 0; 1435 int creat_lock_on = 0; 1436 struct sctp_tcb *stcb = NULL; 1437 struct sockaddr *sa; 1438 int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1439 uint32_t vrf_id; 1440 int bad_addresses = 0; 1441 sctp_assoc_t *a_id; 1442 1443 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1444 1445 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1446 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1447 /* We are already connected AND the TCP model */ 1448 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1449 return (EADDRINUSE); 1450 } 1451 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1452 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1453 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1454 return (EINVAL); 1455 } 1456 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1457 SCTP_INP_RLOCK(inp); 1458 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1459 SCTP_INP_RUNLOCK(inp); 1460 } 1461 if (stcb) { 1462 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1463 return (EALREADY); 1464 } 1465 SCTP_INP_INCR_REF(inp); 1466 SCTP_ASOC_CREATE_LOCK(inp); 1467 creat_lock_on = 1; 1468 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1469 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1470 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1471 error = EFAULT; 1472 goto out_now; 1473 } 1474 totaddrp = (int *)optval; 1475 totaddr = *totaddrp; 1476 sa = (struct sockaddr *)(totaddrp + 1); 1477 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (optsize - sizeof(int)), &bad_addresses); 1478 if ((stcb != NULL) || bad_addresses) { 1479 /* Already have or am bring up an association */ 1480 SCTP_ASOC_CREATE_UNLOCK(inp); 1481 creat_lock_on = 0; 1482 if (stcb) 1483 SCTP_TCB_UNLOCK(stcb); 1484 if (bad_addresses == 0) { 1485 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1486 error = EALREADY; 1487 } 1488 goto out_now; 1489 } 1490#ifdef INET6 1491 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1492 (num_v6 > 0)) { 1493 error = EINVAL; 1494 goto out_now; 1495 } 1496 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1497 (num_v4 > 0)) { 1498 struct in6pcb *inp6; 1499 1500 inp6 = (struct in6pcb *)inp; 1501 if (SCTP_IPV6_V6ONLY(inp6)) { 1502 /* 1503 * if IPV6_V6ONLY flag, ignore connections destined 1504 * to a v4 addr or v4-mapped addr 1505 */ 1506 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1507 error = EINVAL; 1508 goto out_now; 1509 } 1510 } 1511#endif /* INET6 */ 1512 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1513 SCTP_PCB_FLAGS_UNBOUND) { 1514 /* Bind a ephemeral port */ 1515 error = sctp_inpcb_bind(so, NULL, NULL, p); 1516 if (error) { 1517 goto out_now; 1518 } 1519 } 1520 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1521 vrf_id = inp->def_vrf_id; 1522 1523 1524 /* We are GOOD to go */ 1525 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1526 (struct thread *)p 1527 ); 1528 if (stcb == NULL) { 1529 /* Gak! no memory */ 1530 goto out_now; 1531 } 1532 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1533 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1534 /* Set the connected flag so we can queue data */ 1535 soisconnecting(so); 1536 } 1537 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 1538 /* move to second address */ 1539 switch (sa->sa_family) { 1540#ifdef INET 1541 case AF_INET: 1542 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1543 break; 1544#endif 1545#ifdef INET6 1546 case AF_INET6: 1547 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1548 break; 1549#endif 1550 default: 1551 break; 1552 } 1553 1554 error = 0; 1555 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1556 /* Fill in the return id */ 1557 if (error) { 1558 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6); 1559 goto out_now; 1560 } 1561 a_id = (sctp_assoc_t *) optval; 1562 *a_id = sctp_get_associd(stcb); 1563 1564 /* initialize authentication parameters for the assoc */ 1565 sctp_initialize_auth_params(inp, stcb); 1566 1567 if (delay) { 1568 /* doing delayed connection */ 1569 stcb->asoc.delayed_connection = 1; 1570 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1571 } else { 1572 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1573 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1574 } 1575 SCTP_TCB_UNLOCK(stcb); 1576 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1577 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1578 /* Set the connected flag so we can queue data */ 1579 soisconnecting(so); 1580 } 1581out_now: 1582 if (creat_lock_on) { 1583 SCTP_ASOC_CREATE_UNLOCK(inp); 1584 } 1585 SCTP_INP_DECR_REF(inp); 1586 return (error); 1587} 1588 1589#define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1590 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1591 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1592 SCTP_INP_RLOCK(inp); \ 1593 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1594 if (stcb) { \ 1595 SCTP_TCB_LOCK(stcb); \ 1596 } \ 1597 SCTP_INP_RUNLOCK(inp); \ 1598 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1599 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1600 if (stcb == NULL) { \ 1601 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1602 error = ENOENT; \ 1603 break; \ 1604 } \ 1605 } else { \ 1606 stcb = NULL; \ 1607 } \ 1608 } 1609 1610 1611#define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1612 if (size < sizeof(type)) { \ 1613 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1614 error = EINVAL; \ 1615 break; \ 1616 } else { \ 1617 destp = (type *)srcp; \ 1618 } \ 1619 } 1620 1621static int 1622sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1623 void *p) 1624{ 1625 struct sctp_inpcb *inp = NULL; 1626 int error, val = 0; 1627 struct sctp_tcb *stcb = NULL; 1628 1629 if (optval == NULL) { 1630 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1631 return (EINVAL); 1632 } 1633 inp = (struct sctp_inpcb *)so->so_pcb; 1634 if (inp == NULL) { 1635 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1636 return EINVAL; 1637 } 1638 error = 0; 1639 1640 switch (optname) { 1641 case SCTP_NODELAY: 1642 case SCTP_AUTOCLOSE: 1643 case SCTP_EXPLICIT_EOR: 1644 case SCTP_AUTO_ASCONF: 1645 case SCTP_DISABLE_FRAGMENTS: 1646 case SCTP_I_WANT_MAPPED_V4_ADDR: 1647 case SCTP_USE_EXT_RCVINFO: 1648 SCTP_INP_RLOCK(inp); 1649 switch (optname) { 1650 case SCTP_DISABLE_FRAGMENTS: 1651 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1652 break; 1653 case SCTP_I_WANT_MAPPED_V4_ADDR: 1654 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1655 break; 1656 case SCTP_AUTO_ASCONF: 1657 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1658 /* only valid for bound all sockets */ 1659 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1660 } else { 1661 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1662 error = EINVAL; 1663 goto flags_out; 1664 } 1665 break; 1666 case SCTP_EXPLICIT_EOR: 1667 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1668 break; 1669 case SCTP_NODELAY: 1670 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1671 break; 1672 case SCTP_USE_EXT_RCVINFO: 1673 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1674 break; 1675 case SCTP_AUTOCLOSE: 1676 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1677 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1678 else 1679 val = 0; 1680 break; 1681 1682 default: 1683 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1684 error = ENOPROTOOPT; 1685 } /* end switch (sopt->sopt_name) */ 1686 if (*optsize < sizeof(val)) { 1687 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1688 error = EINVAL; 1689 } 1690flags_out: 1691 SCTP_INP_RUNLOCK(inp); 1692 if (error == 0) { 1693 /* return the option value */ 1694 *(int *)optval = val; 1695 *optsize = sizeof(val); 1696 } 1697 break; 1698 case SCTP_GET_PACKET_LOG: 1699 { 1700#ifdef SCTP_PACKET_LOGGING 1701 uint8_t *target; 1702 int ret; 1703 1704 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1705 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1706 *optsize = ret; 1707#else 1708 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1709 error = EOPNOTSUPP; 1710#endif 1711 break; 1712 } 1713 case SCTP_REUSE_PORT: 1714 { 1715 uint32_t *value; 1716 1717 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1718 /* Can't do this for a 1-m socket */ 1719 error = EINVAL; 1720 break; 1721 } 1722 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1723 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1724 *optsize = sizeof(uint32_t); 1725 break; 1726 } 1727 case SCTP_PARTIAL_DELIVERY_POINT: 1728 { 1729 uint32_t *value; 1730 1731 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1732 *value = inp->partial_delivery_point; 1733 *optsize = sizeof(uint32_t); 1734 break; 1735 } 1736 case SCTP_FRAGMENT_INTERLEAVE: 1737 { 1738 uint32_t *value; 1739 1740 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1741 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1742 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1743 *value = SCTP_FRAG_LEVEL_2; 1744 } else { 1745 *value = SCTP_FRAG_LEVEL_1; 1746 } 1747 } else { 1748 *value = SCTP_FRAG_LEVEL_0; 1749 } 1750 *optsize = sizeof(uint32_t); 1751 break; 1752 } 1753 case SCTP_CMT_ON_OFF: 1754 { 1755 struct sctp_assoc_value *av; 1756 1757 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1758 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1759 if (stcb) { 1760 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1761 SCTP_TCB_UNLOCK(stcb); 1762 } else { 1763 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1764 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1765 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1766 SCTP_INP_RLOCK(inp); 1767 av->assoc_value = inp->sctp_cmt_on_off; 1768 SCTP_INP_RUNLOCK(inp); 1769 } else { 1770 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1771 error = EINVAL; 1772 } 1773 } 1774 if (error == 0) { 1775 *optsize = sizeof(struct sctp_assoc_value); 1776 } 1777 break; 1778 } 1779 case SCTP_PLUGGABLE_CC: 1780 { 1781 struct sctp_assoc_value *av; 1782 1783 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1784 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1785 if (stcb) { 1786 av->assoc_value = stcb->asoc.congestion_control_module; 1787 SCTP_TCB_UNLOCK(stcb); 1788 } else { 1789 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1790 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1791 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1792 SCTP_INP_RLOCK(inp); 1793 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1794 SCTP_INP_RUNLOCK(inp); 1795 } else { 1796 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1797 error = EINVAL; 1798 } 1799 } 1800 if (error == 0) { 1801 *optsize = sizeof(struct sctp_assoc_value); 1802 } 1803 break; 1804 } 1805 case SCTP_CC_OPTION: 1806 { 1807 struct sctp_cc_option *cc_opt; 1808 1809 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1810 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1811 if (stcb == NULL) { 1812 error = EINVAL; 1813 } else { 1814 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1815 error = ENOTSUP; 1816 } else { 1817 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1818 *optsize = sizeof(struct sctp_cc_option); 1819 } 1820 SCTP_TCB_UNLOCK(stcb); 1821 } 1822 break; 1823 } 1824 case SCTP_PLUGGABLE_SS: 1825 { 1826 struct sctp_assoc_value *av; 1827 1828 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1829 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1830 if (stcb) { 1831 av->assoc_value = stcb->asoc.stream_scheduling_module; 1832 SCTP_TCB_UNLOCK(stcb); 1833 } else { 1834 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1835 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1836 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1837 SCTP_INP_RLOCK(inp); 1838 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1839 SCTP_INP_RUNLOCK(inp); 1840 } else { 1841 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1842 error = EINVAL; 1843 } 1844 } 1845 if (error == 0) { 1846 *optsize = sizeof(struct sctp_assoc_value); 1847 } 1848 break; 1849 } 1850 case SCTP_SS_VALUE: 1851 { 1852 struct sctp_stream_value *av; 1853 1854 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1855 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1856 if (stcb) { 1857 if (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1858 &av->stream_value) < 0) { 1859 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1860 error = EINVAL; 1861 } else { 1862 *optsize = sizeof(struct sctp_stream_value); 1863 } 1864 SCTP_TCB_UNLOCK(stcb); 1865 } else { 1866 /* 1867 * Can't get stream value without 1868 * association 1869 */ 1870 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1871 error = EINVAL; 1872 } 1873 break; 1874 } 1875 case SCTP_GET_ADDR_LEN: 1876 { 1877 struct sctp_assoc_value *av; 1878 1879 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1880 error = EINVAL; 1881#ifdef INET 1882 if (av->assoc_value == AF_INET) { 1883 av->assoc_value = sizeof(struct sockaddr_in); 1884 error = 0; 1885 } 1886#endif 1887#ifdef INET6 1888 if (av->assoc_value == AF_INET6) { 1889 av->assoc_value = sizeof(struct sockaddr_in6); 1890 error = 0; 1891 } 1892#endif 1893 if (error) { 1894 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1895 } else { 1896 *optsize = sizeof(struct sctp_assoc_value); 1897 } 1898 break; 1899 } 1900 case SCTP_GET_ASSOC_NUMBER: 1901 { 1902 uint32_t *value, cnt; 1903 1904 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1905 cnt = 0; 1906 SCTP_INP_RLOCK(inp); 1907 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1908 cnt++; 1909 } 1910 SCTP_INP_RUNLOCK(inp); 1911 *value = cnt; 1912 *optsize = sizeof(uint32_t); 1913 break; 1914 } 1915 case SCTP_GET_ASSOC_ID_LIST: 1916 { 1917 struct sctp_assoc_ids *ids; 1918 unsigned int at, limit; 1919 1920 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1921 at = 0; 1922 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1923 SCTP_INP_RLOCK(inp); 1924 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1925 if (at < limit) { 1926 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1927 } else { 1928 error = EINVAL; 1929 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1930 break; 1931 } 1932 } 1933 SCTP_INP_RUNLOCK(inp); 1934 if (error == 0) { 1935 ids->gaids_number_of_ids = at; 1936 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1937 } 1938 break; 1939 } 1940 case SCTP_CONTEXT: 1941 { 1942 struct sctp_assoc_value *av; 1943 1944 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1945 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1946 1947 if (stcb) { 1948 av->assoc_value = stcb->asoc.context; 1949 SCTP_TCB_UNLOCK(stcb); 1950 } else { 1951 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1952 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1953 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1954 SCTP_INP_RLOCK(inp); 1955 av->assoc_value = inp->sctp_context; 1956 SCTP_INP_RUNLOCK(inp); 1957 } else { 1958 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1959 error = EINVAL; 1960 } 1961 } 1962 if (error == 0) { 1963 *optsize = sizeof(struct sctp_assoc_value); 1964 } 1965 break; 1966 } 1967 case SCTP_VRF_ID: 1968 { 1969 uint32_t *default_vrfid; 1970 1971 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1972 *default_vrfid = inp->def_vrf_id; 1973 *optsize = sizeof(uint32_t); 1974 break; 1975 } 1976 case SCTP_GET_ASOC_VRF: 1977 { 1978 struct sctp_assoc_value *id; 1979 1980 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1981 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1982 if (stcb == NULL) { 1983 error = EINVAL; 1984 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1985 } else { 1986 id->assoc_value = stcb->asoc.vrf_id; 1987 *optsize = sizeof(struct sctp_assoc_value); 1988 } 1989 break; 1990 } 1991 case SCTP_GET_VRF_IDS: 1992 { 1993 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1994 error = EOPNOTSUPP; 1995 break; 1996 } 1997 case SCTP_GET_NONCE_VALUES: 1998 { 1999 struct sctp_get_nonce_values *gnv; 2000 2001 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 2002 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 2003 2004 if (stcb) { 2005 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 2006 gnv->gn_local_tag = stcb->asoc.my_vtag; 2007 SCTP_TCB_UNLOCK(stcb); 2008 *optsize = sizeof(struct sctp_get_nonce_values); 2009 } else { 2010 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2011 error = ENOTCONN; 2012 } 2013 break; 2014 } 2015 case SCTP_DELAYED_SACK: 2016 { 2017 struct sctp_sack_info *sack; 2018 2019 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 2020 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 2021 if (stcb) { 2022 sack->sack_delay = stcb->asoc.delayed_ack; 2023 sack->sack_freq = stcb->asoc.sack_freq; 2024 SCTP_TCB_UNLOCK(stcb); 2025 } else { 2026 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2027 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2028 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) { 2029 SCTP_INP_RLOCK(inp); 2030 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2031 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2032 SCTP_INP_RUNLOCK(inp); 2033 } else { 2034 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2035 error = EINVAL; 2036 } 2037 } 2038 if (error == 0) { 2039 *optsize = sizeof(struct sctp_sack_info); 2040 } 2041 break; 2042 } 2043 case SCTP_GET_SNDBUF_USE: 2044 { 2045 struct sctp_sockstat *ss; 2046 2047 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2048 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2049 2050 if (stcb) { 2051 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2052 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2053 stcb->asoc.size_on_all_streams); 2054 SCTP_TCB_UNLOCK(stcb); 2055 *optsize = sizeof(struct sctp_sockstat); 2056 } else { 2057 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2058 error = ENOTCONN; 2059 } 2060 break; 2061 } 2062 case SCTP_MAX_BURST: 2063 { 2064 struct sctp_assoc_value *av; 2065 2066 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2067 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2068 2069 if (stcb) { 2070 av->assoc_value = stcb->asoc.max_burst; 2071 SCTP_TCB_UNLOCK(stcb); 2072 } else { 2073 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2074 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2075 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2076 SCTP_INP_RLOCK(inp); 2077 av->assoc_value = inp->sctp_ep.max_burst; 2078 SCTP_INP_RUNLOCK(inp); 2079 } else { 2080 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2081 error = EINVAL; 2082 } 2083 } 2084 if (error == 0) { 2085 *optsize = sizeof(struct sctp_assoc_value); 2086 } 2087 break; 2088 } 2089 case SCTP_MAXSEG: 2090 { 2091 struct sctp_assoc_value *av; 2092 int ovh; 2093 2094 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2095 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2096 2097 if (stcb) { 2098 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2099 SCTP_TCB_UNLOCK(stcb); 2100 } else { 2101 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2102 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2103 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2104 SCTP_INP_RLOCK(inp); 2105 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2106 ovh = SCTP_MED_OVERHEAD; 2107 } else { 2108 ovh = SCTP_MED_V4_OVERHEAD; 2109 } 2110 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2111 av->assoc_value = 0; 2112 else 2113 av->assoc_value = inp->sctp_frag_point - ovh; 2114 SCTP_INP_RUNLOCK(inp); 2115 } else { 2116 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2117 error = EINVAL; 2118 } 2119 } 2120 if (error == 0) { 2121 *optsize = sizeof(struct sctp_assoc_value); 2122 } 2123 break; 2124 } 2125 case SCTP_GET_STAT_LOG: 2126 error = sctp_fill_stat_log(optval, optsize); 2127 break; 2128 case SCTP_EVENTS: 2129 { 2130 struct sctp_event_subscribe *events; 2131 2132 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2133 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2134 SCTP_INP_RLOCK(inp); 2135 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2136 events->sctp_data_io_event = 1; 2137 2138 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2139 events->sctp_association_event = 1; 2140 2141 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2142 events->sctp_address_event = 1; 2143 2144 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2145 events->sctp_send_failure_event = 1; 2146 2147 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2148 events->sctp_peer_error_event = 1; 2149 2150 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2151 events->sctp_shutdown_event = 1; 2152 2153 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2154 events->sctp_partial_delivery_event = 1; 2155 2156 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2157 events->sctp_adaptation_layer_event = 1; 2158 2159 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2160 events->sctp_authentication_event = 1; 2161 2162 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2163 events->sctp_sender_dry_event = 1; 2164 2165 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2166 events->sctp_stream_reset_event = 1; 2167 SCTP_INP_RUNLOCK(inp); 2168 *optsize = sizeof(struct sctp_event_subscribe); 2169 break; 2170 } 2171 case SCTP_ADAPTATION_LAYER: 2172 { 2173 uint32_t *value; 2174 2175 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2176 2177 SCTP_INP_RLOCK(inp); 2178 *value = inp->sctp_ep.adaptation_layer_indicator; 2179 SCTP_INP_RUNLOCK(inp); 2180 *optsize = sizeof(uint32_t); 2181 break; 2182 } 2183 case SCTP_SET_INITIAL_DBG_SEQ: 2184 { 2185 uint32_t *value; 2186 2187 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2188 SCTP_INP_RLOCK(inp); 2189 *value = inp->sctp_ep.initial_sequence_debug; 2190 SCTP_INP_RUNLOCK(inp); 2191 *optsize = sizeof(uint32_t); 2192 break; 2193 } 2194 case SCTP_GET_LOCAL_ADDR_SIZE: 2195 { 2196 uint32_t *value; 2197 2198 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2199 SCTP_INP_RLOCK(inp); 2200 *value = sctp_count_max_addresses(inp); 2201 SCTP_INP_RUNLOCK(inp); 2202 *optsize = sizeof(uint32_t); 2203 break; 2204 } 2205 case SCTP_GET_REMOTE_ADDR_SIZE: 2206 { 2207 uint32_t *value; 2208 size_t size; 2209 struct sctp_nets *net; 2210 2211 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2212 /* FIXME MT: change to sctp_assoc_value? */ 2213 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 2214 2215 if (stcb) { 2216 size = 0; 2217 /* Count the sizes */ 2218 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2219 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2220 size += sizeof(struct sockaddr_in6); 2221 } else { 2222 switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) { 2223#ifdef INET 2224 case AF_INET: 2225 size += sizeof(struct sockaddr_in); 2226 break; 2227#endif 2228#ifdef INET6 2229 case AF_INET6: 2230 size += sizeof(struct sockaddr_in6); 2231 break; 2232#endif 2233 default: 2234 break; 2235 } 2236 } 2237 } 2238 SCTP_TCB_UNLOCK(stcb); 2239 *value = (uint32_t) size; 2240 *optsize = sizeof(uint32_t); 2241 } else { 2242 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2243 error = ENOTCONN; 2244 } 2245 break; 2246 } 2247 case SCTP_GET_PEER_ADDRESSES: 2248 /* 2249 * Get the address information, an array is passed in to 2250 * fill up we pack it. 2251 */ 2252 { 2253 size_t cpsz, left; 2254 struct sockaddr_storage *sas; 2255 struct sctp_nets *net; 2256 struct sctp_getaddresses *saddr; 2257 2258 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2259 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2260 2261 if (stcb) { 2262 left = (*optsize) - sizeof(struct sctp_getaddresses); 2263 *optsize = sizeof(struct sctp_getaddresses); 2264 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2265 2266 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2267 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2268 cpsz = sizeof(struct sockaddr_in6); 2269 } else { 2270 switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) { 2271#ifdef INET 2272 case AF_INET: 2273 cpsz = sizeof(struct sockaddr_in); 2274 break; 2275#endif 2276#ifdef INET6 2277 case AF_INET6: 2278 cpsz = sizeof(struct sockaddr_in6); 2279 break; 2280#endif 2281 default: 2282 cpsz = 0; 2283 break; 2284 } 2285 } 2286 if (cpsz == 0) { 2287 break; 2288 } 2289 if (left < cpsz) { 2290 /* not enough room. */ 2291 break; 2292 } 2293#if defined(INET) && defined(INET6) 2294 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2295 (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET)) { 2296 /* Must map the address */ 2297 in6_sin_2_v4mapsin6((struct sockaddr_in *)&net->ro._l_addr, 2298 (struct sockaddr_in6 *)sas); 2299 } else { 2300#endif 2301 memcpy(sas, &net->ro._l_addr, cpsz); 2302#if defined(INET) && defined(INET6) 2303 } 2304#endif 2305 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2306 2307 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2308 left -= cpsz; 2309 *optsize += cpsz; 2310 } 2311 SCTP_TCB_UNLOCK(stcb); 2312 } else { 2313 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2314 error = ENOENT; 2315 } 2316 break; 2317 } 2318 case SCTP_GET_LOCAL_ADDRESSES: 2319 { 2320 size_t limit, actual; 2321 struct sockaddr_storage *sas; 2322 struct sctp_getaddresses *saddr; 2323 2324 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2325 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2326 2327 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2328 limit = *optsize - sizeof(sctp_assoc_t); 2329 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2330 if (stcb) { 2331 SCTP_TCB_UNLOCK(stcb); 2332 } 2333 *optsize = sizeof(struct sockaddr_storage) + actual; 2334 break; 2335 } 2336 case SCTP_PEER_ADDR_PARAMS: 2337 { 2338 struct sctp_paddrparams *paddrp; 2339 struct sctp_nets *net; 2340 2341 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2342 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2343 2344 net = NULL; 2345 if (stcb) { 2346 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 2347 } else { 2348 /* 2349 * We increment here since 2350 * sctp_findassociation_ep_addr() wil do a 2351 * decrement if it finds the stcb as long as 2352 * the locked tcb (last argument) is NOT a 2353 * TCB.. aka NULL. 2354 */ 2355 SCTP_INP_INCR_REF(inp); 2356 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddrp->spp_address, &net, NULL, NULL); 2357 if (stcb == NULL) { 2358 SCTP_INP_DECR_REF(inp); 2359 } 2360 } 2361 if (stcb && (net == NULL)) { 2362 struct sockaddr *sa; 2363 2364 sa = (struct sockaddr *)&paddrp->spp_address; 2365#ifdef INET 2366 if (sa->sa_family == AF_INET) { 2367 struct sockaddr_in *sin; 2368 2369 sin = (struct sockaddr_in *)sa; 2370 if (sin->sin_addr.s_addr) { 2371 error = EINVAL; 2372 SCTP_TCB_UNLOCK(stcb); 2373 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2374 break; 2375 } 2376 } else 2377#endif 2378#ifdef INET6 2379 if (sa->sa_family == AF_INET6) { 2380 struct sockaddr_in6 *sin6; 2381 2382 sin6 = (struct sockaddr_in6 *)sa; 2383 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2384 error = EINVAL; 2385 SCTP_TCB_UNLOCK(stcb); 2386 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2387 break; 2388 } 2389 } else 2390#endif 2391 { 2392 error = EAFNOSUPPORT; 2393 SCTP_TCB_UNLOCK(stcb); 2394 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2395 break; 2396 } 2397 } 2398 if (stcb) { 2399 /* Applies to the specific association */ 2400 paddrp->spp_flags = 0; 2401 if (net) { 2402 int ovh; 2403 2404 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2405 ovh = SCTP_MED_OVERHEAD; 2406 } else { 2407 ovh = SCTP_MED_V4_OVERHEAD; 2408 } 2409 2410 paddrp->spp_hbinterval = net->heart_beat_delay; 2411 paddrp->spp_pathmaxrxt = net->failure_threshold; 2412 paddrp->spp_pathmtu = net->mtu - ovh; 2413 /* get flags for HB */ 2414 if (net->dest_state & SCTP_ADDR_NOHB) { 2415 paddrp->spp_flags |= SPP_HB_DISABLE; 2416 } else { 2417 paddrp->spp_flags |= SPP_HB_ENABLE; 2418 } 2419 /* get flags for PMTU */ 2420 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2421 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2422 } else { 2423 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2424 } 2425 if (net->dscp & 0x01) { 2426 paddrp->spp_dscp = net->dscp & 0xfc; 2427 paddrp->spp_flags |= SPP_DSCP; 2428 } 2429#ifdef INET6 2430 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2431 (net->flowlabel & 0x80000000)) { 2432 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2433 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2434 } 2435#endif 2436 } else { 2437 /* 2438 * No destination so return default 2439 * value 2440 */ 2441 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2442 paddrp->spp_pathmtu = sctp_get_frag_point(stcb, &stcb->asoc); 2443 if (stcb->asoc.default_dscp & 0x01) { 2444 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2445 paddrp->spp_flags |= SPP_DSCP; 2446 } 2447#ifdef INET6 2448 if (stcb->asoc.default_flowlabel & 0x80000000) { 2449 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2450 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2451 } 2452#endif 2453 /* default settings should be these */ 2454 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2455 paddrp->spp_flags |= SPP_HB_DISABLE; 2456 } else { 2457 paddrp->spp_flags |= SPP_HB_ENABLE; 2458 } 2459 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2460 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2461 } else { 2462 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2463 } 2464 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2465 } 2466 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2467 SCTP_TCB_UNLOCK(stcb); 2468 } else { 2469 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2470 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2471 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 2472 /* Use endpoint defaults */ 2473 SCTP_INP_RLOCK(inp); 2474 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2475 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2476 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2477 /* get inp's default */ 2478 if (inp->sctp_ep.default_dscp & 0x01) { 2479 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2480 paddrp->spp_flags |= SPP_DSCP; 2481 } 2482#ifdef INET6 2483 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2484 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2485 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2486 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2487 } 2488#endif 2489 /* can't return this */ 2490 paddrp->spp_pathmtu = 0; 2491 2492 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2493 paddrp->spp_flags |= SPP_HB_ENABLE; 2494 } else { 2495 paddrp->spp_flags |= SPP_HB_DISABLE; 2496 } 2497 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2498 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2499 } else { 2500 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2501 } 2502 SCTP_INP_RUNLOCK(inp); 2503 } else { 2504 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2505 error = EINVAL; 2506 } 2507 } 2508 if (error == 0) { 2509 *optsize = sizeof(struct sctp_paddrparams); 2510 } 2511 break; 2512 } 2513 case SCTP_GET_PEER_ADDR_INFO: 2514 { 2515 struct sctp_paddrinfo *paddri; 2516 struct sctp_nets *net; 2517 2518 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2519 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2520 2521 net = NULL; 2522 if (stcb) { 2523 net = sctp_findnet(stcb, (struct sockaddr *)&paddri->spinfo_address); 2524 } else { 2525 /* 2526 * We increment here since 2527 * sctp_findassociation_ep_addr() wil do a 2528 * decrement if it finds the stcb as long as 2529 * the locked tcb (last argument) is NOT a 2530 * TCB.. aka NULL. 2531 */ 2532 SCTP_INP_INCR_REF(inp); 2533 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddri->spinfo_address, &net, NULL, NULL); 2534 if (stcb == NULL) { 2535 SCTP_INP_DECR_REF(inp); 2536 } 2537 } 2538 2539 if ((stcb) && (net)) { 2540 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2541 /* It's unconfirmed */ 2542 paddri->spinfo_state = SCTP_UNCONFIRMED; 2543 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2544 /* It's active */ 2545 paddri->spinfo_state = SCTP_ACTIVE; 2546 } else { 2547 /* It's inactive */ 2548 paddri->spinfo_state = SCTP_INACTIVE; 2549 } 2550 paddri->spinfo_cwnd = net->cwnd; 2551 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2552 paddri->spinfo_rto = net->RTO; 2553 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2554 paddri->spinfo_mtu = net->mtu; 2555 SCTP_TCB_UNLOCK(stcb); 2556 *optsize = sizeof(struct sctp_paddrinfo); 2557 } else { 2558 if (stcb) { 2559 SCTP_TCB_UNLOCK(stcb); 2560 } 2561 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2562 error = ENOENT; 2563 } 2564 break; 2565 } 2566 case SCTP_PCB_STATUS: 2567 { 2568 struct sctp_pcbinfo *spcb; 2569 2570 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2571 sctp_fill_pcbinfo(spcb); 2572 *optsize = sizeof(struct sctp_pcbinfo); 2573 break; 2574 } 2575 case SCTP_STATUS: 2576 { 2577 struct sctp_nets *net; 2578 struct sctp_status *sstat; 2579 2580 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2581 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2582 2583 if (stcb == NULL) { 2584 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2585 error = EINVAL; 2586 break; 2587 } 2588 /* 2589 * I think passing the state is fine since 2590 * sctp_constants.h will be available to the user 2591 * land. 2592 */ 2593 sstat->sstat_state = stcb->asoc.state; 2594 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2595 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2596 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2597 /* 2598 * We can't include chunks that have been passed to 2599 * the socket layer. Only things in queue. 2600 */ 2601 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2602 stcb->asoc.cnt_on_all_streams); 2603 2604 2605 sstat->sstat_instrms = stcb->asoc.streamincnt; 2606 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2607 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2608 memcpy(&sstat->sstat_primary.spinfo_address, 2609 &stcb->asoc.primary_destination->ro._l_addr, 2610 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2611 net = stcb->asoc.primary_destination; 2612 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2613 /* 2614 * Again the user can get info from sctp_constants.h 2615 * for what the state of the network is. 2616 */ 2617 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2618 /* It's unconfirmed */ 2619 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2620 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2621 /* It's active */ 2622 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2623 } else { 2624 /* It's inactive */ 2625 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2626 } 2627 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2628 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2629 sstat->sstat_primary.spinfo_rto = net->RTO; 2630 sstat->sstat_primary.spinfo_mtu = net->mtu; 2631 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2632 SCTP_TCB_UNLOCK(stcb); 2633 *optsize = sizeof(struct sctp_status); 2634 break; 2635 } 2636 case SCTP_RTOINFO: 2637 { 2638 struct sctp_rtoinfo *srto; 2639 2640 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2641 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2642 2643 if (stcb) { 2644 srto->srto_initial = stcb->asoc.initial_rto; 2645 srto->srto_max = stcb->asoc.maxrto; 2646 srto->srto_min = stcb->asoc.minrto; 2647 SCTP_TCB_UNLOCK(stcb); 2648 } else { 2649 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2650 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2651 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2652 SCTP_INP_RLOCK(inp); 2653 srto->srto_initial = inp->sctp_ep.initial_rto; 2654 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2655 srto->srto_min = inp->sctp_ep.sctp_minrto; 2656 SCTP_INP_RUNLOCK(inp); 2657 } else { 2658 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2659 error = EINVAL; 2660 } 2661 } 2662 if (error == 0) { 2663 *optsize = sizeof(struct sctp_rtoinfo); 2664 } 2665 break; 2666 } 2667 case SCTP_TIMEOUTS: 2668 { 2669 struct sctp_timeouts *stimo; 2670 2671 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2672 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2673 2674 if (stcb) { 2675 stimo->stimo_init = stcb->asoc.timoinit; 2676 stimo->stimo_data = stcb->asoc.timodata; 2677 stimo->stimo_sack = stcb->asoc.timosack; 2678 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2679 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2680 stimo->stimo_cookie = stcb->asoc.timocookie; 2681 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2682 SCTP_TCB_UNLOCK(stcb); 2683 *optsize = sizeof(struct sctp_timeouts); 2684 } else { 2685 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2686 error = EINVAL; 2687 } 2688 break; 2689 } 2690 case SCTP_ASSOCINFO: 2691 { 2692 struct sctp_assocparams *sasoc; 2693 2694 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2695 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2696 2697 if (stcb) { 2698 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2699 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2700 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2701 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2702 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2703 SCTP_TCB_UNLOCK(stcb); 2704 } else { 2705 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2706 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2707 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2708 SCTP_INP_RLOCK(inp); 2709 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2710 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2711 sasoc->sasoc_number_peer_destinations = 0; 2712 sasoc->sasoc_peer_rwnd = 0; 2713 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2714 SCTP_INP_RUNLOCK(inp); 2715 } else { 2716 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2717 error = EINVAL; 2718 } 2719 } 2720 if (error == 0) { 2721 *optsize = sizeof(struct sctp_assocparams); 2722 } 2723 break; 2724 } 2725 case SCTP_DEFAULT_SEND_PARAM: 2726 { 2727 struct sctp_sndrcvinfo *s_info; 2728 2729 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2730 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2731 2732 if (stcb) { 2733 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2734 SCTP_TCB_UNLOCK(stcb); 2735 } else { 2736 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2737 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2738 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2739 SCTP_INP_RLOCK(inp); 2740 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2741 SCTP_INP_RUNLOCK(inp); 2742 } else { 2743 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2744 error = EINVAL; 2745 } 2746 } 2747 if (error == 0) { 2748 *optsize = sizeof(struct sctp_sndrcvinfo); 2749 } 2750 break; 2751 } 2752 case SCTP_INITMSG: 2753 { 2754 struct sctp_initmsg *sinit; 2755 2756 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2757 SCTP_INP_RLOCK(inp); 2758 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2759 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2760 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2761 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2762 SCTP_INP_RUNLOCK(inp); 2763 *optsize = sizeof(struct sctp_initmsg); 2764 break; 2765 } 2766 case SCTP_PRIMARY_ADDR: 2767 /* we allow a "get" operation on this */ 2768 { 2769 struct sctp_setprim *ssp; 2770 2771 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2772 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2773 2774 if (stcb) { 2775 /* simply copy out the sockaddr_storage... */ 2776 size_t len; 2777 2778 len = *optsize; 2779 if (len > stcb->asoc.primary_destination->ro._l_addr.sa.sa_len) 2780 len = stcb->asoc.primary_destination->ro._l_addr.sa.sa_len; 2781 2782 memcpy(&ssp->ssp_addr, 2783 &stcb->asoc.primary_destination->ro._l_addr, 2784 len); 2785 SCTP_TCB_UNLOCK(stcb); 2786 *optsize = sizeof(struct sctp_setprim); 2787 } else { 2788 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2789 error = EINVAL; 2790 } 2791 break; 2792 } 2793 case SCTP_HMAC_IDENT: 2794 { 2795 struct sctp_hmacalgo *shmac; 2796 sctp_hmaclist_t *hmaclist; 2797 uint32_t size; 2798 int i; 2799 2800 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2801 2802 SCTP_INP_RLOCK(inp); 2803 hmaclist = inp->sctp_ep.local_hmacs; 2804 if (hmaclist == NULL) { 2805 /* no HMACs to return */ 2806 *optsize = sizeof(*shmac); 2807 SCTP_INP_RUNLOCK(inp); 2808 break; 2809 } 2810 /* is there room for all of the hmac ids? */ 2811 size = sizeof(*shmac) + (hmaclist->num_algo * 2812 sizeof(shmac->shmac_idents[0])); 2813 if ((size_t)(*optsize) < size) { 2814 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2815 error = EINVAL; 2816 SCTP_INP_RUNLOCK(inp); 2817 break; 2818 } 2819 /* copy in the list */ 2820 shmac->shmac_number_of_idents = hmaclist->num_algo; 2821 for (i = 0; i < hmaclist->num_algo; i++) { 2822 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2823 } 2824 SCTP_INP_RUNLOCK(inp); 2825 *optsize = size; 2826 break; 2827 } 2828 case SCTP_AUTH_ACTIVE_KEY: 2829 { 2830 struct sctp_authkeyid *scact; 2831 2832 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2833 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2834 2835 if (stcb) { 2836 /* get the active key on the assoc */ 2837 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2838 SCTP_TCB_UNLOCK(stcb); 2839 } else { 2840 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2841 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2842 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2843 /* get the endpoint active key */ 2844 SCTP_INP_RLOCK(inp); 2845 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2846 SCTP_INP_RUNLOCK(inp); 2847 } else { 2848 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2849 error = EINVAL; 2850 } 2851 } 2852 if (error == 0) { 2853 *optsize = sizeof(struct sctp_authkeyid); 2854 } 2855 break; 2856 } 2857 case SCTP_LOCAL_AUTH_CHUNKS: 2858 { 2859 struct sctp_authchunks *sac; 2860 sctp_auth_chklist_t *chklist = NULL; 2861 size_t size = 0; 2862 2863 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2864 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2865 2866 if (stcb) { 2867 /* get off the assoc */ 2868 chklist = stcb->asoc.local_auth_chunks; 2869 /* is there enough space? */ 2870 size = sctp_auth_get_chklist_size(chklist); 2871 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2872 error = EINVAL; 2873 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2874 } else { 2875 /* copy in the chunks */ 2876 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2877 sac->gauth_number_of_chunks = (uint32_t) size; 2878 *optsize = sizeof(struct sctp_authchunks) + size; 2879 } 2880 SCTP_TCB_UNLOCK(stcb); 2881 } else { 2882 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2883 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2884 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 2885 /* get off the endpoint */ 2886 SCTP_INP_RLOCK(inp); 2887 chklist = inp->sctp_ep.local_auth_chunks; 2888 /* is there enough space? */ 2889 size = sctp_auth_get_chklist_size(chklist); 2890 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2891 error = EINVAL; 2892 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2893 } else { 2894 /* copy in the chunks */ 2895 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2896 sac->gauth_number_of_chunks = (uint32_t) size; 2897 *optsize = sizeof(struct sctp_authchunks) + size; 2898 } 2899 SCTP_INP_RUNLOCK(inp); 2900 } else { 2901 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2902 error = EINVAL; 2903 } 2904 } 2905 break; 2906 } 2907 case SCTP_PEER_AUTH_CHUNKS: 2908 { 2909 struct sctp_authchunks *sac; 2910 sctp_auth_chklist_t *chklist = NULL; 2911 size_t size = 0; 2912 2913 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2914 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2915 2916 if (stcb) { 2917 /* get off the assoc */ 2918 chklist = stcb->asoc.peer_auth_chunks; 2919 /* is there enough space? */ 2920 size = sctp_auth_get_chklist_size(chklist); 2921 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2922 error = EINVAL; 2923 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2924 } else { 2925 /* copy in the chunks */ 2926 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2927 sac->gauth_number_of_chunks = (uint32_t) size; 2928 *optsize = sizeof(struct sctp_authchunks) + size; 2929 } 2930 SCTP_TCB_UNLOCK(stcb); 2931 } else { 2932 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2933 error = ENOENT; 2934 } 2935 break; 2936 } 2937 case SCTP_EVENT: 2938 { 2939 struct sctp_event *event; 2940 uint32_t event_type; 2941 2942 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 2943 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 2944 2945 switch (event->se_type) { 2946 case SCTP_ASSOC_CHANGE: 2947 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 2948 break; 2949 case SCTP_PEER_ADDR_CHANGE: 2950 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 2951 break; 2952 case SCTP_REMOTE_ERROR: 2953 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 2954 break; 2955 case SCTP_SEND_FAILED: 2956 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 2957 break; 2958 case SCTP_SHUTDOWN_EVENT: 2959 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 2960 break; 2961 case SCTP_ADAPTATION_INDICATION: 2962 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 2963 break; 2964 case SCTP_PARTIAL_DELIVERY_EVENT: 2965 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 2966 break; 2967 case SCTP_AUTHENTICATION_EVENT: 2968 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 2969 break; 2970 case SCTP_STREAM_RESET_EVENT: 2971 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 2972 break; 2973 case SCTP_SENDER_DRY_EVENT: 2974 event_type = SCTP_PCB_FLAGS_DRYEVNT; 2975 break; 2976 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 2977 event_type = 0; 2978 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 2979 error = ENOTSUP; 2980 break; 2981 case SCTP_ASSOC_RESET_EVENT: 2982 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 2983 break; 2984 case SCTP_STREAM_CHANGE_EVENT: 2985 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 2986 break; 2987 case SCTP_SEND_FAILED_EVENT: 2988 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 2989 break; 2990 default: 2991 event_type = 0; 2992 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2993 error = EINVAL; 2994 break; 2995 } 2996 if (event_type > 0) { 2997 if (stcb) { 2998 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 2999 SCTP_TCB_UNLOCK(stcb); 3000 } else { 3001 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3002 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3003 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 3004 SCTP_INP_RLOCK(inp); 3005 event->se_on = sctp_is_feature_on(inp, event_type); 3006 SCTP_INP_RUNLOCK(inp); 3007 } else { 3008 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3009 error = EINVAL; 3010 } 3011 } 3012 } 3013 if (error == 0) { 3014 *optsize = sizeof(struct sctp_event); 3015 } 3016 break; 3017 } 3018 case SCTP_RECVRCVINFO: 3019 { 3020 int onoff; 3021 3022 if (*optsize < sizeof(int)) { 3023 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3024 error = EINVAL; 3025 } else { 3026 SCTP_INP_RLOCK(inp); 3027 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3028 SCTP_INP_RUNLOCK(inp); 3029 } 3030 if (error == 0) { 3031 /* return the option value */ 3032 *(int *)optval = onoff; 3033 *optsize = sizeof(int); 3034 } 3035 break; 3036 } 3037 case SCTP_RECVNXTINFO: 3038 { 3039 int onoff; 3040 3041 if (*optsize < sizeof(int)) { 3042 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3043 error = EINVAL; 3044 } else { 3045 SCTP_INP_RLOCK(inp); 3046 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3047 SCTP_INP_RUNLOCK(inp); 3048 } 3049 if (error == 0) { 3050 /* return the option value */ 3051 *(int *)optval = onoff; 3052 *optsize = sizeof(int); 3053 } 3054 break; 3055 } 3056 case SCTP_DEFAULT_SNDINFO: 3057 { 3058 struct sctp_sndinfo *info; 3059 3060 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3061 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3062 3063 if (stcb) { 3064 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3065 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3066 info->snd_flags &= 0xfff0; 3067 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3068 info->snd_context = stcb->asoc.def_send.sinfo_context; 3069 SCTP_TCB_UNLOCK(stcb); 3070 } else { 3071 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3072 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3073 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3074 SCTP_INP_RLOCK(inp); 3075 info->snd_sid = inp->def_send.sinfo_stream; 3076 info->snd_flags = inp->def_send.sinfo_flags; 3077 info->snd_flags &= 0xfff0; 3078 info->snd_ppid = inp->def_send.sinfo_ppid; 3079 info->snd_context = inp->def_send.sinfo_context; 3080 SCTP_INP_RUNLOCK(inp); 3081 } else { 3082 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3083 error = EINVAL; 3084 } 3085 } 3086 if (error == 0) { 3087 *optsize = sizeof(struct sctp_sndinfo); 3088 } 3089 break; 3090 } 3091 case SCTP_DEFAULT_PRINFO: 3092 { 3093 struct sctp_default_prinfo *info; 3094 3095 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3096 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3097 3098 if (stcb) { 3099 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3100 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3101 SCTP_TCB_UNLOCK(stcb); 3102 } else { 3103 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3104 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3105 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3106 SCTP_INP_RLOCK(inp); 3107 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3108 info->pr_value = inp->def_send.sinfo_timetolive; 3109 SCTP_INP_RUNLOCK(inp); 3110 } else { 3111 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3112 error = EINVAL; 3113 } 3114 } 3115 if (error == 0) { 3116 *optsize = sizeof(struct sctp_default_prinfo); 3117 } 3118 break; 3119 } 3120 case SCTP_PEER_ADDR_THLDS: 3121 { 3122 struct sctp_paddrthlds *thlds; 3123 struct sctp_nets *net; 3124 3125 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3126 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3127 3128 net = NULL; 3129 if (stcb) { 3130 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_address); 3131 } else { 3132 /* 3133 * We increment here since 3134 * sctp_findassociation_ep_addr() wil do a 3135 * decrement if it finds the stcb as long as 3136 * the locked tcb (last argument) is NOT a 3137 * TCB.. aka NULL. 3138 */ 3139 SCTP_INP_INCR_REF(inp); 3140 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&thlds->spt_address, &net, NULL, NULL); 3141 if (stcb == NULL) { 3142 SCTP_INP_DECR_REF(inp); 3143 } 3144 } 3145 if (stcb && (net == NULL)) { 3146 struct sockaddr *sa; 3147 3148 sa = (struct sockaddr *)&thlds->spt_address; 3149#ifdef INET 3150 if (sa->sa_family == AF_INET) { 3151 struct sockaddr_in *sin; 3152 3153 sin = (struct sockaddr_in *)sa; 3154 if (sin->sin_addr.s_addr) { 3155 error = EINVAL; 3156 SCTP_TCB_UNLOCK(stcb); 3157 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3158 break; 3159 } 3160 } else 3161#endif 3162#ifdef INET6 3163 if (sa->sa_family == AF_INET6) { 3164 struct sockaddr_in6 *sin6; 3165 3166 sin6 = (struct sockaddr_in6 *)sa; 3167 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3168 error = EINVAL; 3169 SCTP_TCB_UNLOCK(stcb); 3170 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3171 break; 3172 } 3173 } else 3174#endif 3175 { 3176 error = EAFNOSUPPORT; 3177 SCTP_TCB_UNLOCK(stcb); 3178 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3179 break; 3180 } 3181 } 3182 if (stcb) { 3183 if (net) { 3184 thlds->spt_pathmaxrxt = net->failure_threshold; 3185 thlds->spt_pathpfthld = net->pf_threshold; 3186 } else { 3187 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3188 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3189 } 3190 thlds->spt_assoc_id = sctp_get_associd(stcb); 3191 SCTP_TCB_UNLOCK(stcb); 3192 } else { 3193 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3194 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3195 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3196 /* Use endpoint defaults */ 3197 SCTP_INP_RLOCK(inp); 3198 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3199 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3200 SCTP_INP_RUNLOCK(inp); 3201 } else { 3202 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3203 error = EINVAL; 3204 } 3205 } 3206 if (error == 0) { 3207 *optsize = sizeof(struct sctp_paddrthlds); 3208 } 3209 break; 3210 } 3211 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3212 { 3213 struct sctp_udpencaps *encaps; 3214 struct sctp_nets *net; 3215 3216 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3217 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3218 3219 if (stcb) { 3220 net = sctp_findnet(stcb, (struct sockaddr *)&encaps->sue_address); 3221 } else { 3222 /* 3223 * We increment here since 3224 * sctp_findassociation_ep_addr() wil do a 3225 * decrement if it finds the stcb as long as 3226 * the locked tcb (last argument) is NOT a 3227 * TCB.. aka NULL. 3228 */ 3229 net = NULL; 3230 SCTP_INP_INCR_REF(inp); 3231 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&encaps->sue_address, &net, NULL, NULL); 3232 if (stcb == NULL) { 3233 SCTP_INP_DECR_REF(inp); 3234 } 3235 } 3236 if (stcb && (net == NULL)) { 3237 struct sockaddr *sa; 3238 3239 sa = (struct sockaddr *)&encaps->sue_address; 3240#ifdef INET 3241 if (sa->sa_family == AF_INET) { 3242 struct sockaddr_in *sin; 3243 3244 sin = (struct sockaddr_in *)sa; 3245 if (sin->sin_addr.s_addr) { 3246 error = EINVAL; 3247 SCTP_TCB_UNLOCK(stcb); 3248 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3249 break; 3250 } 3251 } else 3252#endif 3253#ifdef INET6 3254 if (sa->sa_family == AF_INET6) { 3255 struct sockaddr_in6 *sin6; 3256 3257 sin6 = (struct sockaddr_in6 *)sa; 3258 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3259 error = EINVAL; 3260 SCTP_TCB_UNLOCK(stcb); 3261 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3262 break; 3263 } 3264 } else 3265#endif 3266 { 3267 error = EAFNOSUPPORT; 3268 SCTP_TCB_UNLOCK(stcb); 3269 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3270 break; 3271 } 3272 } 3273 if (stcb) { 3274 if (net) { 3275 encaps->sue_port = net->port; 3276 } else { 3277 encaps->sue_port = stcb->asoc.port; 3278 } 3279 SCTP_TCB_UNLOCK(stcb); 3280 } else { 3281 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3282 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3283 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3284 SCTP_INP_RLOCK(inp); 3285 encaps->sue_port = inp->sctp_ep.port; 3286 SCTP_INP_RUNLOCK(inp); 3287 } else { 3288 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3289 error = EINVAL; 3290 } 3291 } 3292 if (error == 0) { 3293 *optsize = sizeof(struct sctp_udpencaps); 3294 } 3295 break; 3296 } 3297 case SCTP_ENABLE_STREAM_RESET: 3298 { 3299 struct sctp_assoc_value *av; 3300 3301 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3302 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3303 3304 if (stcb) { 3305 av->assoc_value = (uint32_t) stcb->asoc.local_strreset_support; 3306 SCTP_TCB_UNLOCK(stcb); 3307 } else { 3308 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3309 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3310 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3311 SCTP_INP_RLOCK(inp); 3312 av->assoc_value = (uint32_t) inp->local_strreset_support; 3313 SCTP_INP_RUNLOCK(inp); 3314 } else { 3315 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3316 error = EINVAL; 3317 } 3318 } 3319 if (error == 0) { 3320 *optsize = sizeof(struct sctp_assoc_value); 3321 } 3322 break; 3323 } 3324 default: 3325 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3326 error = ENOPROTOOPT; 3327 break; 3328 } /* end switch (sopt->sopt_name) */ 3329 if (error) { 3330 *optsize = 0; 3331 } 3332 return (error); 3333} 3334 3335static int 3336sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3337 void *p) 3338{ 3339 int error, set_opt; 3340 uint32_t *mopt; 3341 struct sctp_tcb *stcb = NULL; 3342 struct sctp_inpcb *inp = NULL; 3343 uint32_t vrf_id; 3344 3345 if (optval == NULL) { 3346 SCTP_PRINTF("optval is NULL\n"); 3347 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3348 return (EINVAL); 3349 } 3350 inp = (struct sctp_inpcb *)so->so_pcb; 3351 if (inp == NULL) { 3352 SCTP_PRINTF("inp is NULL?\n"); 3353 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3354 return (EINVAL); 3355 } 3356 vrf_id = inp->def_vrf_id; 3357 3358 error = 0; 3359 switch (optname) { 3360 case SCTP_NODELAY: 3361 case SCTP_AUTOCLOSE: 3362 case SCTP_AUTO_ASCONF: 3363 case SCTP_EXPLICIT_EOR: 3364 case SCTP_DISABLE_FRAGMENTS: 3365 case SCTP_USE_EXT_RCVINFO: 3366 case SCTP_I_WANT_MAPPED_V4_ADDR: 3367 /* copy in the option value */ 3368 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3369 set_opt = 0; 3370 if (error) 3371 break; 3372 switch (optname) { 3373 case SCTP_DISABLE_FRAGMENTS: 3374 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3375 break; 3376 case SCTP_AUTO_ASCONF: 3377 /* 3378 * NOTE: we don't really support this flag 3379 */ 3380 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3381 /* only valid for bound all sockets */ 3382 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3383 (*mopt != 0)) { 3384 /* forbidden by admin */ 3385 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3386 return (EPERM); 3387 } 3388 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3389 } else { 3390 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3391 return (EINVAL); 3392 } 3393 break; 3394 case SCTP_EXPLICIT_EOR: 3395 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3396 break; 3397 case SCTP_USE_EXT_RCVINFO: 3398 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3399 break; 3400 case SCTP_I_WANT_MAPPED_V4_ADDR: 3401 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3402 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3403 } else { 3404 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3405 return (EINVAL); 3406 } 3407 break; 3408 case SCTP_NODELAY: 3409 set_opt = SCTP_PCB_FLAGS_NODELAY; 3410 break; 3411 case SCTP_AUTOCLOSE: 3412 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3413 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3414 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3415 return (EINVAL); 3416 } 3417 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3418 /* 3419 * The value is in ticks. Note this does not effect 3420 * old associations, only new ones. 3421 */ 3422 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3423 break; 3424 } 3425 SCTP_INP_WLOCK(inp); 3426 if (*mopt != 0) { 3427 sctp_feature_on(inp, set_opt); 3428 } else { 3429 sctp_feature_off(inp, set_opt); 3430 } 3431 SCTP_INP_WUNLOCK(inp); 3432 break; 3433 case SCTP_REUSE_PORT: 3434 { 3435 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3436 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3437 /* Can't set it after we are bound */ 3438 error = EINVAL; 3439 break; 3440 } 3441 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3442 /* Can't do this for a 1-m socket */ 3443 error = EINVAL; 3444 break; 3445 } 3446 if (optval) 3447 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3448 else 3449 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3450 break; 3451 } 3452 case SCTP_PARTIAL_DELIVERY_POINT: 3453 { 3454 uint32_t *value; 3455 3456 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3457 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3458 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3459 error = EINVAL; 3460 break; 3461 } 3462 inp->partial_delivery_point = *value; 3463 break; 3464 } 3465 case SCTP_FRAGMENT_INTERLEAVE: 3466 /* not yet until we re-write sctp_recvmsg() */ 3467 { 3468 uint32_t *level; 3469 3470 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3471 if (*level == SCTP_FRAG_LEVEL_2) { 3472 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3473 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3474 } else if (*level == SCTP_FRAG_LEVEL_1) { 3475 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3476 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3477 } else if (*level == SCTP_FRAG_LEVEL_0) { 3478 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3479 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3480 3481 } else { 3482 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3483 error = EINVAL; 3484 } 3485 break; 3486 } 3487 case SCTP_CMT_ON_OFF: 3488 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3489 struct sctp_assoc_value *av; 3490 3491 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3492 if (av->assoc_value > SCTP_CMT_MAX) { 3493 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3494 error = EINVAL; 3495 break; 3496 } 3497 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3498 if (stcb) { 3499 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3500 SCTP_TCB_UNLOCK(stcb); 3501 } else { 3502 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3503 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3504 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3505 (av->assoc_id == SCTP_ALL_ASSOC)) { 3506 SCTP_INP_WLOCK(inp); 3507 inp->sctp_cmt_on_off = av->assoc_value; 3508 SCTP_INP_WUNLOCK(inp); 3509 } 3510 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3511 (av->assoc_id == SCTP_ALL_ASSOC)) { 3512 SCTP_INP_RLOCK(inp); 3513 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3514 SCTP_TCB_LOCK(stcb); 3515 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3516 SCTP_TCB_UNLOCK(stcb); 3517 } 3518 SCTP_INP_RUNLOCK(inp); 3519 } 3520 } 3521 } else { 3522 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3523 error = ENOPROTOOPT; 3524 } 3525 break; 3526 case SCTP_PLUGGABLE_CC: 3527 { 3528 struct sctp_assoc_value *av; 3529 struct sctp_nets *net; 3530 3531 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3532 if ((av->assoc_value != SCTP_CC_RFC2581) && 3533 (av->assoc_value != SCTP_CC_HSTCP) && 3534 (av->assoc_value != SCTP_CC_HTCP) && 3535 (av->assoc_value != SCTP_CC_RTCC)) { 3536 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3537 error = EINVAL; 3538 break; 3539 } 3540 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3541 if (stcb) { 3542 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3543 stcb->asoc.congestion_control_module = av->assoc_value; 3544 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3545 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3546 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3547 } 3548 } 3549 SCTP_TCB_UNLOCK(stcb); 3550 } else { 3551 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3552 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3553 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3554 (av->assoc_id == SCTP_ALL_ASSOC)) { 3555 SCTP_INP_WLOCK(inp); 3556 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3557 SCTP_INP_WUNLOCK(inp); 3558 } 3559 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3560 (av->assoc_id == SCTP_ALL_ASSOC)) { 3561 SCTP_INP_RLOCK(inp); 3562 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3563 SCTP_TCB_LOCK(stcb); 3564 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3565 stcb->asoc.congestion_control_module = av->assoc_value; 3566 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3567 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3568 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3569 } 3570 } 3571 SCTP_TCB_UNLOCK(stcb); 3572 } 3573 SCTP_INP_RUNLOCK(inp); 3574 } 3575 } 3576 break; 3577 } 3578 case SCTP_CC_OPTION: 3579 { 3580 struct sctp_cc_option *cc_opt; 3581 3582 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 3583 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 3584 if (stcb == NULL) { 3585 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 3586 SCTP_INP_RLOCK(inp); 3587 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3588 SCTP_TCB_LOCK(stcb); 3589 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 3590 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 3591 } 3592 SCTP_TCB_UNLOCK(stcb); 3593 } 3594 SCTP_INP_RUNLOCK(inp); 3595 } else { 3596 error = EINVAL; 3597 } 3598 } else { 3599 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 3600 error = ENOTSUP; 3601 } else { 3602 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 3603 cc_opt); 3604 } 3605 SCTP_TCB_UNLOCK(stcb); 3606 } 3607 break; 3608 } 3609 case SCTP_PLUGGABLE_SS: 3610 { 3611 struct sctp_assoc_value *av; 3612 3613 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3614 if ((av->assoc_value != SCTP_SS_DEFAULT) && 3615 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 3616 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 3617 (av->assoc_value != SCTP_SS_PRIORITY) && 3618 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 3619 (av->assoc_value != SCTP_SS_FIRST_COME)) { 3620 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3621 error = EINVAL; 3622 break; 3623 } 3624 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3625 if (stcb) { 3626 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 3627 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 3628 stcb->asoc.stream_scheduling_module = av->assoc_value; 3629 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 3630 SCTP_TCB_UNLOCK(stcb); 3631 } else { 3632 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3633 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3634 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3635 (av->assoc_id == SCTP_ALL_ASSOC)) { 3636 SCTP_INP_WLOCK(inp); 3637 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 3638 SCTP_INP_WUNLOCK(inp); 3639 } 3640 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3641 (av->assoc_id == SCTP_ALL_ASSOC)) { 3642 SCTP_INP_RLOCK(inp); 3643 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3644 SCTP_TCB_LOCK(stcb); 3645 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 3646 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 3647 stcb->asoc.stream_scheduling_module = av->assoc_value; 3648 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 3649 SCTP_TCB_UNLOCK(stcb); 3650 } 3651 SCTP_INP_RUNLOCK(inp); 3652 } 3653 } 3654 break; 3655 } 3656 case SCTP_SS_VALUE: 3657 { 3658 struct sctp_stream_value *av; 3659 3660 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 3661 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3662 if (stcb) { 3663 if (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 3664 av->stream_value) < 0) { 3665 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3666 error = EINVAL; 3667 } 3668 SCTP_TCB_UNLOCK(stcb); 3669 } else { 3670 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 3671 SCTP_INP_RLOCK(inp); 3672 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3673 SCTP_TCB_LOCK(stcb); 3674 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 3675 &stcb->asoc, 3676 &stcb->asoc.strmout[av->stream_id], 3677 av->stream_value); 3678 SCTP_TCB_UNLOCK(stcb); 3679 } 3680 SCTP_INP_RUNLOCK(inp); 3681 3682 } else { 3683 /* 3684 * Can't set stream value without 3685 * association 3686 */ 3687 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3688 error = EINVAL; 3689 } 3690 } 3691 break; 3692 } 3693 case SCTP_CLR_STAT_LOG: 3694 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3695 error = EOPNOTSUPP; 3696 break; 3697 case SCTP_CONTEXT: 3698 { 3699 struct sctp_assoc_value *av; 3700 3701 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3702 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3703 3704 if (stcb) { 3705 stcb->asoc.context = av->assoc_value; 3706 SCTP_TCB_UNLOCK(stcb); 3707 } else { 3708 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3709 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3710 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3711 (av->assoc_id == SCTP_ALL_ASSOC)) { 3712 SCTP_INP_WLOCK(inp); 3713 inp->sctp_context = av->assoc_value; 3714 SCTP_INP_WUNLOCK(inp); 3715 } 3716 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3717 (av->assoc_id == SCTP_ALL_ASSOC)) { 3718 SCTP_INP_RLOCK(inp); 3719 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3720 SCTP_TCB_LOCK(stcb); 3721 stcb->asoc.context = av->assoc_value; 3722 SCTP_TCB_UNLOCK(stcb); 3723 } 3724 SCTP_INP_RUNLOCK(inp); 3725 } 3726 } 3727 break; 3728 } 3729 case SCTP_VRF_ID: 3730 { 3731 uint32_t *default_vrfid; 3732 3733 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 3734 if (*default_vrfid > SCTP_MAX_VRF_ID) { 3735 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3736 error = EINVAL; 3737 break; 3738 } 3739 inp->def_vrf_id = *default_vrfid; 3740 break; 3741 } 3742 case SCTP_DEL_VRF_ID: 3743 { 3744 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3745 error = EOPNOTSUPP; 3746 break; 3747 } 3748 case SCTP_ADD_VRF_ID: 3749 { 3750 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3751 error = EOPNOTSUPP; 3752 break; 3753 } 3754 case SCTP_DELAYED_SACK: 3755 { 3756 struct sctp_sack_info *sack; 3757 3758 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 3759 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 3760 if (sack->sack_delay) { 3761 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 3762 sack->sack_delay = SCTP_MAX_SACK_DELAY; 3763 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 3764 sack->sack_delay = TICKS_TO_MSEC(1); 3765 } 3766 } 3767 if (stcb) { 3768 if (sack->sack_delay) { 3769 stcb->asoc.delayed_ack = sack->sack_delay; 3770 } 3771 if (sack->sack_freq) { 3772 stcb->asoc.sack_freq = sack->sack_freq; 3773 } 3774 SCTP_TCB_UNLOCK(stcb); 3775 } else { 3776 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3777 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3778 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 3779 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 3780 SCTP_INP_WLOCK(inp); 3781 if (sack->sack_delay) { 3782 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 3783 } 3784 if (sack->sack_freq) { 3785 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 3786 } 3787 SCTP_INP_WUNLOCK(inp); 3788 } 3789 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 3790 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 3791 SCTP_INP_RLOCK(inp); 3792 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3793 SCTP_TCB_LOCK(stcb); 3794 if (sack->sack_delay) { 3795 stcb->asoc.delayed_ack = sack->sack_delay; 3796 } 3797 if (sack->sack_freq) { 3798 stcb->asoc.sack_freq = sack->sack_freq; 3799 } 3800 SCTP_TCB_UNLOCK(stcb); 3801 } 3802 SCTP_INP_RUNLOCK(inp); 3803 } 3804 } 3805 break; 3806 } 3807 case SCTP_AUTH_CHUNK: 3808 { 3809 struct sctp_authchunk *sauth; 3810 3811 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 3812 3813 SCTP_INP_WLOCK(inp); 3814 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 3815 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3816 error = EINVAL; 3817 } 3818 SCTP_INP_WUNLOCK(inp); 3819 break; 3820 } 3821 case SCTP_AUTH_KEY: 3822 { 3823 struct sctp_authkey *sca; 3824 struct sctp_keyhead *shared_keys; 3825 sctp_sharedkey_t *shared_key; 3826 sctp_key_t *key = NULL; 3827 size_t size; 3828 3829 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 3830 if (sca->sca_keylength == 0) { 3831 size = optsize - sizeof(struct sctp_authkey); 3832 } else { 3833 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 3834 size = sca->sca_keylength; 3835 } else { 3836 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3837 error = EINVAL; 3838 break; 3839 } 3840 } 3841 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 3842 3843 if (stcb) { 3844 shared_keys = &stcb->asoc.shared_keys; 3845 /* clear the cached keys for this key id */ 3846 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 3847 /* 3848 * create the new shared key and 3849 * insert/replace it 3850 */ 3851 if (size > 0) { 3852 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3853 if (key == NULL) { 3854 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3855 error = ENOMEM; 3856 SCTP_TCB_UNLOCK(stcb); 3857 break; 3858 } 3859 } 3860 shared_key = sctp_alloc_sharedkey(); 3861 if (shared_key == NULL) { 3862 sctp_free_key(key); 3863 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3864 error = ENOMEM; 3865 SCTP_TCB_UNLOCK(stcb); 3866 break; 3867 } 3868 shared_key->key = key; 3869 shared_key->keyid = sca->sca_keynumber; 3870 error = sctp_insert_sharedkey(shared_keys, shared_key); 3871 SCTP_TCB_UNLOCK(stcb); 3872 } else { 3873 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3874 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3875 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 3876 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 3877 SCTP_INP_WLOCK(inp); 3878 shared_keys = &inp->sctp_ep.shared_keys; 3879 /* 3880 * clear the cached keys on all 3881 * assocs for this key id 3882 */ 3883 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 3884 /* 3885 * create the new shared key and 3886 * insert/replace it 3887 */ 3888 if (size > 0) { 3889 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3890 if (key == NULL) { 3891 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3892 error = ENOMEM; 3893 SCTP_INP_WUNLOCK(inp); 3894 break; 3895 } 3896 } 3897 shared_key = sctp_alloc_sharedkey(); 3898 if (shared_key == NULL) { 3899 sctp_free_key(key); 3900 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3901 error = ENOMEM; 3902 SCTP_INP_WUNLOCK(inp); 3903 break; 3904 } 3905 shared_key->key = key; 3906 shared_key->keyid = sca->sca_keynumber; 3907 error = sctp_insert_sharedkey(shared_keys, shared_key); 3908 SCTP_INP_WUNLOCK(inp); 3909 } 3910 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 3911 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 3912 SCTP_INP_RLOCK(inp); 3913 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3914 SCTP_TCB_LOCK(stcb); 3915 shared_keys = &stcb->asoc.shared_keys; 3916 /* 3917 * clear the cached keys for 3918 * this key id 3919 */ 3920 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 3921 /* 3922 * create the new shared key 3923 * and insert/replace it 3924 */ 3925 if (size > 0) { 3926 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3927 if (key == NULL) { 3928 SCTP_TCB_UNLOCK(stcb); 3929 continue; 3930 } 3931 } 3932 shared_key = sctp_alloc_sharedkey(); 3933 if (shared_key == NULL) { 3934 sctp_free_key(key); 3935 SCTP_TCB_UNLOCK(stcb); 3936 continue; 3937 } 3938 shared_key->key = key; 3939 shared_key->keyid = sca->sca_keynumber; 3940 error = sctp_insert_sharedkey(shared_keys, shared_key); 3941 SCTP_TCB_UNLOCK(stcb); 3942 } 3943 SCTP_INP_RUNLOCK(inp); 3944 } 3945 } 3946 break; 3947 } 3948 case SCTP_HMAC_IDENT: 3949 { 3950 struct sctp_hmacalgo *shmac; 3951 sctp_hmaclist_t *hmaclist; 3952 uint16_t hmacid; 3953 uint32_t i; 3954 3955 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 3956 if (optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) { 3957 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3958 error = EINVAL; 3959 break; 3960 } 3961 hmaclist = sctp_alloc_hmaclist(shmac->shmac_number_of_idents); 3962 if (hmaclist == NULL) { 3963 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3964 error = ENOMEM; 3965 break; 3966 } 3967 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 3968 hmacid = shmac->shmac_idents[i]; 3969 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 3970 /* invalid HMACs were found */ ; 3971 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3972 error = EINVAL; 3973 sctp_free_hmaclist(hmaclist); 3974 goto sctp_set_hmac_done; 3975 } 3976 } 3977 for (i = 0; i < hmaclist->num_algo; i++) { 3978 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 3979 /* already in list */ 3980 break; 3981 } 3982 } 3983 if (i == hmaclist->num_algo) { 3984 /* not found in list */ 3985 sctp_free_hmaclist(hmaclist); 3986 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3987 error = EINVAL; 3988 break; 3989 } 3990 /* set it on the endpoint */ 3991 SCTP_INP_WLOCK(inp); 3992 if (inp->sctp_ep.local_hmacs) 3993 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 3994 inp->sctp_ep.local_hmacs = hmaclist; 3995 SCTP_INP_WUNLOCK(inp); 3996 sctp_set_hmac_done: 3997 break; 3998 } 3999 case SCTP_AUTH_ACTIVE_KEY: 4000 { 4001 struct sctp_authkeyid *scact; 4002 4003 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4004 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4005 4006 /* set the active key on the right place */ 4007 if (stcb) { 4008 /* set the active key on the assoc */ 4009 if (sctp_auth_setactivekey(stcb, 4010 scact->scact_keynumber)) { 4011 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4012 SCTP_FROM_SCTP_USRREQ, 4013 EINVAL); 4014 error = EINVAL; 4015 } 4016 SCTP_TCB_UNLOCK(stcb); 4017 } else { 4018 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4019 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4020 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4021 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4022 SCTP_INP_WLOCK(inp); 4023 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4024 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4025 error = EINVAL; 4026 } 4027 SCTP_INP_WUNLOCK(inp); 4028 } 4029 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4030 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4031 SCTP_INP_RLOCK(inp); 4032 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4033 SCTP_TCB_LOCK(stcb); 4034 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4035 SCTP_TCB_UNLOCK(stcb); 4036 } 4037 SCTP_INP_RUNLOCK(inp); 4038 } 4039 } 4040 break; 4041 } 4042 case SCTP_AUTH_DELETE_KEY: 4043 { 4044 struct sctp_authkeyid *scdel; 4045 4046 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4047 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4048 4049 /* delete the key from the right place */ 4050 if (stcb) { 4051 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4052 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4053 error = EINVAL; 4054 } 4055 SCTP_TCB_UNLOCK(stcb); 4056 } else { 4057 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4058 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4059 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4060 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4061 SCTP_INP_WLOCK(inp); 4062 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4063 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4064 error = EINVAL; 4065 } 4066 SCTP_INP_WUNLOCK(inp); 4067 } 4068 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4069 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4070 SCTP_INP_RLOCK(inp); 4071 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4072 SCTP_TCB_LOCK(stcb); 4073 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4074 SCTP_TCB_UNLOCK(stcb); 4075 } 4076 SCTP_INP_RUNLOCK(inp); 4077 } 4078 } 4079 break; 4080 } 4081 case SCTP_AUTH_DEACTIVATE_KEY: 4082 { 4083 struct sctp_authkeyid *keyid; 4084 4085 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4086 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4087 4088 /* deactivate the key from the right place */ 4089 if (stcb) { 4090 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4091 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4092 error = EINVAL; 4093 } 4094 SCTP_TCB_UNLOCK(stcb); 4095 } else { 4096 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4097 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4098 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4099 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4100 SCTP_INP_WLOCK(inp); 4101 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4102 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4103 error = EINVAL; 4104 } 4105 SCTP_INP_WUNLOCK(inp); 4106 } 4107 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4108 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4109 SCTP_INP_RLOCK(inp); 4110 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4111 SCTP_TCB_LOCK(stcb); 4112 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4113 SCTP_TCB_UNLOCK(stcb); 4114 } 4115 SCTP_INP_RUNLOCK(inp); 4116 } 4117 } 4118 break; 4119 } 4120 case SCTP_ENABLE_STREAM_RESET: 4121 { 4122 struct sctp_assoc_value *av; 4123 4124 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4125 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4126 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4127 error = EINVAL; 4128 break; 4129 } 4130 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4131 if (stcb) { 4132 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4133 SCTP_TCB_UNLOCK(stcb); 4134 } else { 4135 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4136 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4137 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4138 (av->assoc_id == SCTP_ALL_ASSOC)) { 4139 SCTP_INP_WLOCK(inp); 4140 inp->local_strreset_support = (uint8_t) av->assoc_value; 4141 SCTP_INP_WUNLOCK(inp); 4142 } 4143 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4144 (av->assoc_id == SCTP_ALL_ASSOC)) { 4145 SCTP_INP_RLOCK(inp); 4146 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4147 SCTP_TCB_LOCK(stcb); 4148 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4149 SCTP_TCB_UNLOCK(stcb); 4150 } 4151 SCTP_INP_RUNLOCK(inp); 4152 } 4153 } 4154 break; 4155 } 4156 case SCTP_RESET_STREAMS: 4157 { 4158 struct sctp_reset_streams *strrst; 4159 int i, send_out = 0; 4160 int send_in = 0; 4161 4162 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4163 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4164 if (stcb == NULL) { 4165 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4166 error = ENOENT; 4167 break; 4168 } 4169 if (stcb->asoc.peer_supports_strreset == 0) { 4170 /* 4171 * Peer does not support the chunk type. 4172 */ 4173 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4174 error = EOPNOTSUPP; 4175 SCTP_TCB_UNLOCK(stcb); 4176 break; 4177 } 4178 if (stcb->asoc.stream_reset_outstanding) { 4179 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4180 error = EALREADY; 4181 SCTP_TCB_UNLOCK(stcb); 4182 break; 4183 } 4184 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4185 send_in = 1; 4186 } 4187 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4188 send_out = 1; 4189 } 4190 if ((send_in == 0) && (send_out == 0)) { 4191 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4192 error = EINVAL; 4193 SCTP_TCB_UNLOCK(stcb); 4194 break; 4195 } 4196 for (i = 0; i < strrst->srs_number_streams; i++) { 4197 if ((send_in) && 4198 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) { 4199 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4200 error = EINVAL; 4201 break; 4202 } 4203 if ((send_out) && 4204 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) { 4205 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4206 error = EINVAL; 4207 break; 4208 } 4209 } 4210 if (error) { 4211 SCTP_TCB_UNLOCK(stcb); 4212 break; 4213 } 4214 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4215 strrst->srs_stream_list, 4216 send_out, send_in, 0, 0, 0, 0, 0); 4217 4218 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4219 SCTP_TCB_UNLOCK(stcb); 4220 break; 4221 } 4222 case SCTP_ADD_STREAMS: 4223 { 4224 struct sctp_add_streams *stradd; 4225 uint8_t addstream = 0; 4226 uint16_t add_o_strmcnt = 0; 4227 uint16_t add_i_strmcnt = 0; 4228 4229 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4230 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4231 if (stcb == NULL) { 4232 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4233 error = ENOENT; 4234 break; 4235 } 4236 if (stcb->asoc.peer_supports_strreset == 0) { 4237 /* 4238 * Peer does not support the chunk type. 4239 */ 4240 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4241 error = EOPNOTSUPP; 4242 SCTP_TCB_UNLOCK(stcb); 4243 break; 4244 } 4245 if (stcb->asoc.stream_reset_outstanding) { 4246 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4247 error = EALREADY; 4248 SCTP_TCB_UNLOCK(stcb); 4249 break; 4250 } 4251 if ((stradd->sas_outstrms == 0) && 4252 (stradd->sas_instrms == 0)) { 4253 error = EINVAL; 4254 goto skip_stuff; 4255 } 4256 if (stradd->sas_outstrms) { 4257 addstream = 1; 4258 /* We allocate here */ 4259 add_o_strmcnt = stradd->sas_outstrms; 4260 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4261 /* You can't have more than 64k */ 4262 error = EINVAL; 4263 goto skip_stuff; 4264 } 4265 } 4266 if (stradd->sas_instrms) { 4267 int cnt; 4268 4269 addstream |= 2; 4270 /* 4271 * We allocate inside 4272 * sctp_send_str_reset_req() 4273 */ 4274 add_i_strmcnt = stradd->sas_instrms; 4275 cnt = add_i_strmcnt; 4276 cnt += stcb->asoc.streamincnt; 4277 if (cnt > 0x0000ffff) { 4278 /* You can't have more than 64k */ 4279 error = EINVAL; 4280 goto skip_stuff; 4281 } 4282 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4283 /* More than you are allowed */ 4284 error = EINVAL; 4285 goto skip_stuff; 4286 } 4287 } 4288 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4289 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4290 skip_stuff: 4291 SCTP_TCB_UNLOCK(stcb); 4292 break; 4293 } 4294 case SCTP_RESET_ASSOC: 4295 { 4296 uint32_t *value; 4297 4298 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4299 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 4300 if (stcb == NULL) { 4301 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4302 error = ENOENT; 4303 break; 4304 } 4305 if (stcb->asoc.peer_supports_strreset == 0) { 4306 /* 4307 * Peer does not support the chunk type. 4308 */ 4309 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4310 error = EOPNOTSUPP; 4311 SCTP_TCB_UNLOCK(stcb); 4312 break; 4313 } 4314 if (stcb->asoc.stream_reset_outstanding) { 4315 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4316 error = EALREADY; 4317 SCTP_TCB_UNLOCK(stcb); 4318 break; 4319 } 4320 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 1, 0, 0, 0, 0); 4321 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4322 SCTP_TCB_UNLOCK(stcb); 4323 break; 4324 } 4325 case SCTP_CONNECT_X: 4326 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4327 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4328 error = EINVAL; 4329 break; 4330 } 4331 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4332 break; 4333 case SCTP_CONNECT_X_DELAYED: 4334 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4335 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4336 error = EINVAL; 4337 break; 4338 } 4339 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4340 break; 4341 case SCTP_CONNECT_X_COMPLETE: 4342 { 4343 struct sockaddr *sa; 4344 struct sctp_nets *net; 4345 4346 /* FIXME MT: check correct? */ 4347 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4348 4349 /* find tcb */ 4350 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4351 SCTP_INP_RLOCK(inp); 4352 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4353 if (stcb) { 4354 SCTP_TCB_LOCK(stcb); 4355 net = sctp_findnet(stcb, sa); 4356 } 4357 SCTP_INP_RUNLOCK(inp); 4358 } else { 4359 /* 4360 * We increment here since 4361 * sctp_findassociation_ep_addr() wil do a 4362 * decrement if it finds the stcb as long as 4363 * the locked tcb (last argument) is NOT a 4364 * TCB.. aka NULL. 4365 */ 4366 SCTP_INP_INCR_REF(inp); 4367 stcb = sctp_findassociation_ep_addr(&inp, sa, &net, NULL, NULL); 4368 if (stcb == NULL) { 4369 SCTP_INP_DECR_REF(inp); 4370 } 4371 } 4372 4373 if (stcb == NULL) { 4374 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4375 error = ENOENT; 4376 break; 4377 } 4378 if (stcb->asoc.delayed_connection == 1) { 4379 stcb->asoc.delayed_connection = 0; 4380 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4381 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4382 stcb->asoc.primary_destination, 4383 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 4384 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4385 } else { 4386 /* 4387 * already expired or did not use delayed 4388 * connectx 4389 */ 4390 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4391 error = EALREADY; 4392 } 4393 SCTP_TCB_UNLOCK(stcb); 4394 break; 4395 } 4396 case SCTP_MAX_BURST: 4397 { 4398 struct sctp_assoc_value *av; 4399 4400 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4401 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4402 4403 if (stcb) { 4404 stcb->asoc.max_burst = av->assoc_value; 4405 SCTP_TCB_UNLOCK(stcb); 4406 } else { 4407 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4408 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4409 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4410 (av->assoc_id == SCTP_ALL_ASSOC)) { 4411 SCTP_INP_WLOCK(inp); 4412 inp->sctp_ep.max_burst = av->assoc_value; 4413 SCTP_INP_WUNLOCK(inp); 4414 } 4415 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4416 (av->assoc_id == SCTP_ALL_ASSOC)) { 4417 SCTP_INP_RLOCK(inp); 4418 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4419 SCTP_TCB_LOCK(stcb); 4420 stcb->asoc.max_burst = av->assoc_value; 4421 SCTP_TCB_UNLOCK(stcb); 4422 } 4423 SCTP_INP_RUNLOCK(inp); 4424 } 4425 } 4426 break; 4427 } 4428 case SCTP_MAXSEG: 4429 { 4430 struct sctp_assoc_value *av; 4431 int ovh; 4432 4433 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4434 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4435 4436 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4437 ovh = SCTP_MED_OVERHEAD; 4438 } else { 4439 ovh = SCTP_MED_V4_OVERHEAD; 4440 } 4441 if (stcb) { 4442 if (av->assoc_value) { 4443 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4444 } else { 4445 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4446 } 4447 SCTP_TCB_UNLOCK(stcb); 4448 } else { 4449 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4450 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4451 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4452 SCTP_INP_WLOCK(inp); 4453 /* 4454 * FIXME MT: I think this is not in 4455 * tune with the API ID 4456 */ 4457 if (av->assoc_value) { 4458 inp->sctp_frag_point = (av->assoc_value + ovh); 4459 } else { 4460 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4461 } 4462 SCTP_INP_WUNLOCK(inp); 4463 } else { 4464 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4465 error = EINVAL; 4466 } 4467 } 4468 break; 4469 } 4470 case SCTP_EVENTS: 4471 { 4472 struct sctp_event_subscribe *events; 4473 4474 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 4475 4476 SCTP_INP_WLOCK(inp); 4477 if (events->sctp_data_io_event) { 4478 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4479 } else { 4480 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4481 } 4482 4483 if (events->sctp_association_event) { 4484 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4485 } else { 4486 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4487 } 4488 4489 if (events->sctp_address_event) { 4490 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4491 } else { 4492 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4493 } 4494 4495 if (events->sctp_send_failure_event) { 4496 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4497 } else { 4498 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4499 } 4500 4501 if (events->sctp_peer_error_event) { 4502 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4503 } else { 4504 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4505 } 4506 4507 if (events->sctp_shutdown_event) { 4508 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4509 } else { 4510 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4511 } 4512 4513 if (events->sctp_partial_delivery_event) { 4514 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4515 } else { 4516 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4517 } 4518 4519 if (events->sctp_adaptation_layer_event) { 4520 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4521 } else { 4522 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4523 } 4524 4525 if (events->sctp_authentication_event) { 4526 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4527 } else { 4528 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4529 } 4530 4531 if (events->sctp_sender_dry_event) { 4532 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 4533 } else { 4534 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 4535 } 4536 4537 if (events->sctp_stream_reset_event) { 4538 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4539 } else { 4540 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4541 } 4542 SCTP_INP_WUNLOCK(inp); 4543 4544 SCTP_INP_RLOCK(inp); 4545 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4546 SCTP_TCB_LOCK(stcb); 4547 if (events->sctp_association_event) { 4548 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4549 } else { 4550 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4551 } 4552 if (events->sctp_address_event) { 4553 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4554 } else { 4555 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4556 } 4557 if (events->sctp_send_failure_event) { 4558 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4559 } else { 4560 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4561 } 4562 if (events->sctp_peer_error_event) { 4563 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4564 } else { 4565 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4566 } 4567 if (events->sctp_shutdown_event) { 4568 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4569 } else { 4570 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4571 } 4572 if (events->sctp_partial_delivery_event) { 4573 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4574 } else { 4575 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4576 } 4577 if (events->sctp_adaptation_layer_event) { 4578 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4579 } else { 4580 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4581 } 4582 if (events->sctp_authentication_event) { 4583 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4584 } else { 4585 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4586 } 4587 if (events->sctp_sender_dry_event) { 4588 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4589 } else { 4590 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4591 } 4592 if (events->sctp_stream_reset_event) { 4593 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4594 } else { 4595 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4596 } 4597 SCTP_TCB_UNLOCK(stcb); 4598 } 4599 /* 4600 * Send up the sender dry event only for 1-to-1 4601 * style sockets. 4602 */ 4603 if (events->sctp_sender_dry_event) { 4604 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4605 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 4606 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4607 if (stcb) { 4608 SCTP_TCB_LOCK(stcb); 4609 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 4610 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 4611 (stcb->asoc.stream_queue_cnt == 0)) { 4612 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 4613 } 4614 SCTP_TCB_UNLOCK(stcb); 4615 } 4616 } 4617 } 4618 SCTP_INP_RUNLOCK(inp); 4619 break; 4620 } 4621 case SCTP_ADAPTATION_LAYER: 4622 { 4623 struct sctp_setadaptation *adap_bits; 4624 4625 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 4626 SCTP_INP_WLOCK(inp); 4627 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 4628 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 4629 SCTP_INP_WUNLOCK(inp); 4630 break; 4631 } 4632#ifdef SCTP_DEBUG 4633 case SCTP_SET_INITIAL_DBG_SEQ: 4634 { 4635 uint32_t *vvv; 4636 4637 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 4638 SCTP_INP_WLOCK(inp); 4639 inp->sctp_ep.initial_sequence_debug = *vvv; 4640 SCTP_INP_WUNLOCK(inp); 4641 break; 4642 } 4643#endif 4644 case SCTP_DEFAULT_SEND_PARAM: 4645 { 4646 struct sctp_sndrcvinfo *s_info; 4647 4648 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 4649 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 4650 4651 if (stcb) { 4652 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 4653 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 4654 } else { 4655 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4656 error = EINVAL; 4657 } 4658 SCTP_TCB_UNLOCK(stcb); 4659 } else { 4660 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4661 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4662 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 4663 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 4664 SCTP_INP_WLOCK(inp); 4665 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 4666 SCTP_INP_WUNLOCK(inp); 4667 } 4668 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 4669 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 4670 SCTP_INP_RLOCK(inp); 4671 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4672 SCTP_TCB_LOCK(stcb); 4673 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 4674 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 4675 } 4676 SCTP_TCB_UNLOCK(stcb); 4677 } 4678 SCTP_INP_RUNLOCK(inp); 4679 } 4680 } 4681 break; 4682 } 4683 case SCTP_PEER_ADDR_PARAMS: 4684 { 4685 struct sctp_paddrparams *paddrp; 4686 struct sctp_nets *net; 4687 4688 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 4689 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 4690 net = NULL; 4691 if (stcb) { 4692 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 4693 } else { 4694 /* 4695 * We increment here since 4696 * sctp_findassociation_ep_addr() wil do a 4697 * decrement if it finds the stcb as long as 4698 * the locked tcb (last argument) is NOT a 4699 * TCB.. aka NULL. 4700 */ 4701 SCTP_INP_INCR_REF(inp); 4702 stcb = sctp_findassociation_ep_addr(&inp, 4703 (struct sockaddr *)&paddrp->spp_address, 4704 &net, NULL, NULL); 4705 if (stcb == NULL) { 4706 SCTP_INP_DECR_REF(inp); 4707 } 4708 } 4709 if (stcb && (net == NULL)) { 4710 struct sockaddr *sa; 4711 4712 sa = (struct sockaddr *)&paddrp->spp_address; 4713#ifdef INET 4714 if (sa->sa_family == AF_INET) { 4715 4716 struct sockaddr_in *sin; 4717 4718 sin = (struct sockaddr_in *)sa; 4719 if (sin->sin_addr.s_addr) { 4720 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4721 SCTP_TCB_UNLOCK(stcb); 4722 error = EINVAL; 4723 break; 4724 } 4725 } else 4726#endif 4727#ifdef INET6 4728 if (sa->sa_family == AF_INET6) { 4729 struct sockaddr_in6 *sin6; 4730 4731 sin6 = (struct sockaddr_in6 *)sa; 4732 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 4733 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4734 SCTP_TCB_UNLOCK(stcb); 4735 error = EINVAL; 4736 break; 4737 } 4738 } else 4739#endif 4740 { 4741 error = EAFNOSUPPORT; 4742 SCTP_TCB_UNLOCK(stcb); 4743 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4744 break; 4745 } 4746 } 4747 /* sanity checks */ 4748 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 4749 if (stcb) 4750 SCTP_TCB_UNLOCK(stcb); 4751 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4752 return (EINVAL); 4753 } 4754 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 4755 if (stcb) 4756 SCTP_TCB_UNLOCK(stcb); 4757 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4758 return (EINVAL); 4759 } 4760 if (stcb) { 4761 /************************TCB SPECIFIC SET ******************/ 4762 /* 4763 * do we change the timer for HB, we run 4764 * only one? 4765 */ 4766 int ovh = 0; 4767 4768 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4769 ovh = SCTP_MED_OVERHEAD; 4770 } else { 4771 ovh = SCTP_MED_V4_OVERHEAD; 4772 } 4773 4774 /* network sets ? */ 4775 if (net) { 4776 /************************NET SPECIFIC SET ******************/ 4777 if (paddrp->spp_flags & SPP_HB_DISABLE) { 4778 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 4779 !(net->dest_state & SCTP_ADDR_NOHB)) { 4780 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4781 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4782 } 4783 net->dest_state |= SCTP_ADDR_NOHB; 4784 } 4785 if (paddrp->spp_flags & SPP_HB_ENABLE) { 4786 if (paddrp->spp_hbinterval) { 4787 net->heart_beat_delay = paddrp->spp_hbinterval; 4788 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4789 net->heart_beat_delay = 0; 4790 } 4791 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4792 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4793 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4794 net->dest_state &= ~SCTP_ADDR_NOHB; 4795 } 4796 if (paddrp->spp_flags & SPP_HB_DEMAND) { 4797 /* on demand HB */ 4798 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4799 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 4800 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4801 } 4802 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 4803 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4804 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 4805 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4806 } 4807 net->dest_state |= SCTP_ADDR_NO_PMTUD; 4808 net->mtu = paddrp->spp_pathmtu + ovh; 4809 if (net->mtu < stcb->asoc.smallest_mtu) { 4810 sctp_pathmtu_adjustment(stcb, net->mtu); 4811 } 4812 } 4813 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 4814 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4815 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 4816 } 4817 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 4818 } 4819 if (paddrp->spp_pathmaxrxt) { 4820 if (net->dest_state & SCTP_ADDR_PF) { 4821 if (net->error_count > paddrp->spp_pathmaxrxt) { 4822 net->dest_state &= ~SCTP_ADDR_PF; 4823 } 4824 } else { 4825 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 4826 (net->error_count > net->pf_threshold)) { 4827 net->dest_state |= SCTP_ADDR_PF; 4828 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4829 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 4830 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 4831 } 4832 } 4833 if (net->dest_state & SCTP_ADDR_REACHABLE) { 4834 if (net->error_count > paddrp->spp_pathmaxrxt) { 4835 net->dest_state &= ~SCTP_ADDR_REACHABLE; 4836 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 4837 } 4838 } else { 4839 if (net->error_count <= paddrp->spp_pathmaxrxt) { 4840 net->dest_state |= SCTP_ADDR_REACHABLE; 4841 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 4842 } 4843 } 4844 net->failure_threshold = paddrp->spp_pathmaxrxt; 4845 } 4846 if (paddrp->spp_flags & SPP_DSCP) { 4847 net->dscp = paddrp->spp_dscp & 0xfc; 4848 net->dscp |= 0x01; 4849 } 4850#ifdef INET6 4851 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 4852 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 4853 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4854 net->flowlabel |= 0x80000000; 4855 } 4856 } 4857#endif 4858 } else { 4859 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 4860 if (paddrp->spp_pathmaxrxt) { 4861 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 4862 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4863 if (net->dest_state & SCTP_ADDR_PF) { 4864 if (net->error_count > paddrp->spp_pathmaxrxt) { 4865 net->dest_state &= ~SCTP_ADDR_PF; 4866 } 4867 } else { 4868 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 4869 (net->error_count > net->pf_threshold)) { 4870 net->dest_state |= SCTP_ADDR_PF; 4871 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4872 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 4873 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 4874 } 4875 } 4876 if (net->dest_state & SCTP_ADDR_REACHABLE) { 4877 if (net->error_count > paddrp->spp_pathmaxrxt) { 4878 net->dest_state &= ~SCTP_ADDR_REACHABLE; 4879 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 4880 } 4881 } else { 4882 if (net->error_count <= paddrp->spp_pathmaxrxt) { 4883 net->dest_state |= SCTP_ADDR_REACHABLE; 4884 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 4885 } 4886 } 4887 net->failure_threshold = paddrp->spp_pathmaxrxt; 4888 } 4889 } 4890 if (paddrp->spp_flags & SPP_HB_ENABLE) { 4891 if (paddrp->spp_hbinterval) { 4892 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 4893 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4894 stcb->asoc.heart_beat_delay = 0; 4895 } 4896 /* Turn back on the timer */ 4897 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4898 if (paddrp->spp_hbinterval) { 4899 net->heart_beat_delay = paddrp->spp_hbinterval; 4900 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4901 net->heart_beat_delay = 0; 4902 } 4903 if (net->dest_state & SCTP_ADDR_NOHB) { 4904 net->dest_state &= ~SCTP_ADDR_NOHB; 4905 } 4906 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4907 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4908 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4909 } 4910 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4911 } 4912 if (paddrp->spp_flags & SPP_HB_DISABLE) { 4913 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4914 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 4915 net->dest_state |= SCTP_ADDR_NOHB; 4916 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 4917 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4918 } 4919 } 4920 } 4921 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4922 } 4923 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 4924 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4925 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4926 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 4927 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4928 } 4929 net->dest_state |= SCTP_ADDR_NO_PMTUD; 4930 net->mtu = paddrp->spp_pathmtu + ovh; 4931 if (net->mtu < stcb->asoc.smallest_mtu) { 4932 sctp_pathmtu_adjustment(stcb, net->mtu); 4933 } 4934 } 4935 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4936 } 4937 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 4938 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4939 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4940 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 4941 } 4942 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 4943 } 4944 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4945 } 4946 if (paddrp->spp_flags & SPP_DSCP) { 4947 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4948 net->dscp = paddrp->spp_dscp & 0xfc; 4949 net->dscp |= 0x01; 4950 } 4951 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 4952 stcb->asoc.default_dscp |= 0x01; 4953 } 4954#ifdef INET6 4955 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 4956 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4957 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 4958 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4959 net->flowlabel |= 0x80000000; 4960 } 4961 } 4962 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4963 stcb->asoc.default_flowlabel |= 0x80000000; 4964 } 4965#endif 4966 } 4967 SCTP_TCB_UNLOCK(stcb); 4968 } else { 4969 /************************NO TCB, SET TO default stuff ******************/ 4970 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4971 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4972 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 4973 SCTP_INP_WLOCK(inp); 4974 /* 4975 * For the TOS/FLOWLABEL stuff you 4976 * set it with the options on the 4977 * socket 4978 */ 4979 if (paddrp->spp_pathmaxrxt) { 4980 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 4981 } 4982 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 4983 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 4984 else if (paddrp->spp_hbinterval) { 4985 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 4986 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 4987 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 4988 } 4989 if (paddrp->spp_flags & SPP_HB_ENABLE) { 4990 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4991 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 4992 } else if (paddrp->spp_hbinterval) { 4993 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 4994 } 4995 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4996 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 4997 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4998 } 4999 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5000 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5001 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5002 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5003 } 5004 if (paddrp->spp_flags & SPP_DSCP) { 5005 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5006 inp->sctp_ep.default_dscp |= 0x01; 5007 } 5008#ifdef INET6 5009 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5010 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5011 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5012 inp->sctp_ep.default_flowlabel |= 0x80000000; 5013 } 5014 } 5015#endif 5016 SCTP_INP_WUNLOCK(inp); 5017 } else { 5018 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5019 error = EINVAL; 5020 } 5021 } 5022 break; 5023 } 5024 case SCTP_RTOINFO: 5025 { 5026 struct sctp_rtoinfo *srto; 5027 uint32_t new_init, new_min, new_max; 5028 5029 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5030 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5031 5032 if (stcb) { 5033 if (srto->srto_initial) 5034 new_init = srto->srto_initial; 5035 else 5036 new_init = stcb->asoc.initial_rto; 5037 if (srto->srto_max) 5038 new_max = srto->srto_max; 5039 else 5040 new_max = stcb->asoc.maxrto; 5041 if (srto->srto_min) 5042 new_min = srto->srto_min; 5043 else 5044 new_min = stcb->asoc.minrto; 5045 if ((new_min <= new_init) && (new_init <= new_max)) { 5046 stcb->asoc.initial_rto = new_init; 5047 stcb->asoc.maxrto = new_max; 5048 stcb->asoc.minrto = new_min; 5049 } else { 5050 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5051 error = EINVAL; 5052 } 5053 SCTP_TCB_UNLOCK(stcb); 5054 } else { 5055 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5056 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5057 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5058 SCTP_INP_WLOCK(inp); 5059 if (srto->srto_initial) 5060 new_init = srto->srto_initial; 5061 else 5062 new_init = inp->sctp_ep.initial_rto; 5063 if (srto->srto_max) 5064 new_max = srto->srto_max; 5065 else 5066 new_max = inp->sctp_ep.sctp_maxrto; 5067 if (srto->srto_min) 5068 new_min = srto->srto_min; 5069 else 5070 new_min = inp->sctp_ep.sctp_minrto; 5071 if ((new_min <= new_init) && (new_init <= new_max)) { 5072 inp->sctp_ep.initial_rto = new_init; 5073 inp->sctp_ep.sctp_maxrto = new_max; 5074 inp->sctp_ep.sctp_minrto = new_min; 5075 } else { 5076 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5077 error = EINVAL; 5078 } 5079 SCTP_INP_WUNLOCK(inp); 5080 } else { 5081 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5082 error = EINVAL; 5083 } 5084 } 5085 break; 5086 } 5087 case SCTP_ASSOCINFO: 5088 { 5089 struct sctp_assocparams *sasoc; 5090 5091 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5092 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5093 if (sasoc->sasoc_cookie_life) { 5094 /* boundary check the cookie life */ 5095 if (sasoc->sasoc_cookie_life < 1000) 5096 sasoc->sasoc_cookie_life = 1000; 5097 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5098 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5099 } 5100 } 5101 if (stcb) { 5102 if (sasoc->sasoc_asocmaxrxt) 5103 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5104 if (sasoc->sasoc_cookie_life) { 5105 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5106 } 5107 SCTP_TCB_UNLOCK(stcb); 5108 } else { 5109 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5110 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5111 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5112 SCTP_INP_WLOCK(inp); 5113 if (sasoc->sasoc_asocmaxrxt) 5114 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5115 if (sasoc->sasoc_cookie_life) { 5116 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5117 } 5118 SCTP_INP_WUNLOCK(inp); 5119 } else { 5120 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5121 error = EINVAL; 5122 } 5123 } 5124 break; 5125 } 5126 case SCTP_INITMSG: 5127 { 5128 struct sctp_initmsg *sinit; 5129 5130 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5131 SCTP_INP_WLOCK(inp); 5132 if (sinit->sinit_num_ostreams) 5133 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5134 5135 if (sinit->sinit_max_instreams) 5136 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5137 5138 if (sinit->sinit_max_attempts) 5139 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5140 5141 if (sinit->sinit_max_init_timeo) 5142 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5143 SCTP_INP_WUNLOCK(inp); 5144 break; 5145 } 5146 case SCTP_PRIMARY_ADDR: 5147 { 5148 struct sctp_setprim *spa; 5149 struct sctp_nets *net; 5150 5151 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5152 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5153 5154 net = NULL; 5155 if (stcb) { 5156 net = sctp_findnet(stcb, (struct sockaddr *)&spa->ssp_addr); 5157 } else { 5158 /* 5159 * We increment here since 5160 * sctp_findassociation_ep_addr() wil do a 5161 * decrement if it finds the stcb as long as 5162 * the locked tcb (last argument) is NOT a 5163 * TCB.. aka NULL. 5164 */ 5165 SCTP_INP_INCR_REF(inp); 5166 stcb = sctp_findassociation_ep_addr(&inp, 5167 (struct sockaddr *)&spa->ssp_addr, 5168 &net, NULL, NULL); 5169 if (stcb == NULL) { 5170 SCTP_INP_DECR_REF(inp); 5171 } 5172 } 5173 5174 if ((stcb) && (net)) { 5175 if ((net != stcb->asoc.primary_destination) && 5176 (!(net->dest_state & SCTP_ADDR_UNCONFIRMED))) { 5177 /* Ok we need to set it */ 5178 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5179 if ((stcb->asoc.alternate) && 5180 (!(net->dest_state & SCTP_ADDR_PF)) && 5181 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5182 sctp_free_remote_addr(stcb->asoc.alternate); 5183 stcb->asoc.alternate = NULL; 5184 } 5185 } 5186 } 5187 } else { 5188 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5189 error = EINVAL; 5190 } 5191 if (stcb) { 5192 SCTP_TCB_UNLOCK(stcb); 5193 } 5194 break; 5195 } 5196 case SCTP_SET_DYNAMIC_PRIMARY: 5197 { 5198 union sctp_sockstore *ss; 5199 5200 error = priv_check(curthread, 5201 PRIV_NETINET_RESERVEDPORT); 5202 if (error) 5203 break; 5204 5205 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5206 /* SUPER USER CHECK? */ 5207 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5208 break; 5209 } 5210 case SCTP_SET_PEER_PRIMARY_ADDR: 5211 { 5212 struct sctp_setpeerprim *sspp; 5213 5214 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5215 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5216 if (stcb != NULL) { 5217 struct sctp_ifa *ifa; 5218 5219 ifa = sctp_find_ifa_by_addr((struct sockaddr *)&sspp->sspp_addr, 5220 stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5221 if (ifa == NULL) { 5222 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5223 error = EINVAL; 5224 goto out_of_it; 5225 } 5226 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5227 /* 5228 * Must validate the ifa found is in 5229 * our ep 5230 */ 5231 struct sctp_laddr *laddr; 5232 int found = 0; 5233 5234 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5235 if (laddr->ifa == NULL) { 5236 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5237 __FUNCTION__); 5238 continue; 5239 } 5240 if (laddr->ifa == ifa) { 5241 found = 1; 5242 break; 5243 } 5244 } 5245 if (!found) { 5246 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5247 error = EINVAL; 5248 goto out_of_it; 5249 } 5250 } else { 5251 switch (sspp->sspp_addr.ss_family) { 5252#ifdef INET 5253 case AF_INET: 5254 { 5255 struct sockaddr_in *sin; 5256 5257 sin = (struct sockaddr_in *)&sspp->sspp_addr; 5258 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5259 &sin->sin_addr) != 0) { 5260 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5261 error = EINVAL; 5262 goto out_of_it; 5263 } 5264 break; 5265 } 5266#endif 5267#ifdef INET6 5268 case AF_INET6: 5269 { 5270 struct sockaddr_in6 *sin6; 5271 5272 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5273 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5274 &sin6->sin6_addr) != 0) { 5275 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5276 error = EINVAL; 5277 goto out_of_it; 5278 } 5279 break; 5280 } 5281#endif 5282 default: 5283 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5284 error = EINVAL; 5285 goto out_of_it; 5286 } 5287 } 5288 if (sctp_set_primary_ip_address_sa(stcb, 5289 (struct sockaddr *)&sspp->sspp_addr) != 0) { 5290 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5291 error = EINVAL; 5292 } 5293 out_of_it: 5294 SCTP_TCB_UNLOCK(stcb); 5295 } else { 5296 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5297 error = EINVAL; 5298 } 5299 break; 5300 } 5301 case SCTP_BINDX_ADD_ADDR: 5302 { 5303 struct sctp_getaddresses *addrs; 5304 struct thread *td; 5305 5306 td = (struct thread *)p; 5307 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5308 optsize); 5309#ifdef INET 5310 if (addrs->addr->sa_family == AF_INET) { 5311 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5312 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5313 error = EINVAL; 5314 break; 5315 } 5316 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5317 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5318 break; 5319 } 5320 } else 5321#endif 5322#ifdef INET6 5323 if (addrs->addr->sa_family == AF_INET6) { 5324 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5325 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5326 error = EINVAL; 5327 break; 5328 } 5329 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5330 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5331 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5332 break; 5333 } 5334 } else 5335#endif 5336 { 5337 error = EAFNOSUPPORT; 5338 break; 5339 } 5340 sctp_bindx_add_address(so, inp, addrs->addr, 5341 addrs->sget_assoc_id, vrf_id, 5342 &error, p); 5343 break; 5344 } 5345 case SCTP_BINDX_REM_ADDR: 5346 { 5347 struct sctp_getaddresses *addrs; 5348 struct thread *td; 5349 5350 td = (struct thread *)p; 5351 5352 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5353#ifdef INET 5354 if (addrs->addr->sa_family == AF_INET) { 5355 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5356 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5357 error = EINVAL; 5358 break; 5359 } 5360 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5361 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5362 break; 5363 } 5364 } else 5365#endif 5366#ifdef INET6 5367 if (addrs->addr->sa_family == AF_INET6) { 5368 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5369 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5370 error = EINVAL; 5371 break; 5372 } 5373 if (td != NULL && 5374 (error = prison_local_ip6(td->td_ucred, 5375 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5376 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5377 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5378 break; 5379 } 5380 } else 5381#endif 5382 { 5383 error = EAFNOSUPPORT; 5384 break; 5385 } 5386 sctp_bindx_delete_address(inp, addrs->addr, 5387 addrs->sget_assoc_id, vrf_id, 5388 &error); 5389 break; 5390 } 5391 case SCTP_EVENT: 5392 { 5393 struct sctp_event *event; 5394 uint32_t event_type; 5395 5396 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 5397 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 5398 switch (event->se_type) { 5399 case SCTP_ASSOC_CHANGE: 5400 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 5401 break; 5402 case SCTP_PEER_ADDR_CHANGE: 5403 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 5404 break; 5405 case SCTP_REMOTE_ERROR: 5406 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 5407 break; 5408 case SCTP_SEND_FAILED: 5409 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 5410 break; 5411 case SCTP_SHUTDOWN_EVENT: 5412 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 5413 break; 5414 case SCTP_ADAPTATION_INDICATION: 5415 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 5416 break; 5417 case SCTP_PARTIAL_DELIVERY_EVENT: 5418 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 5419 break; 5420 case SCTP_AUTHENTICATION_EVENT: 5421 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 5422 break; 5423 case SCTP_STREAM_RESET_EVENT: 5424 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 5425 break; 5426 case SCTP_SENDER_DRY_EVENT: 5427 event_type = SCTP_PCB_FLAGS_DRYEVNT; 5428 break; 5429 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 5430 event_type = 0; 5431 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5432 error = ENOTSUP; 5433 break; 5434 case SCTP_ASSOC_RESET_EVENT: 5435 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 5436 break; 5437 case SCTP_STREAM_CHANGE_EVENT: 5438 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 5439 break; 5440 case SCTP_SEND_FAILED_EVENT: 5441 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 5442 break; 5443 default: 5444 event_type = 0; 5445 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5446 error = EINVAL; 5447 break; 5448 } 5449 if (event_type > 0) { 5450 if (stcb) { 5451 if (event->se_on) { 5452 sctp_stcb_feature_on(inp, stcb, event_type); 5453 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 5454 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5455 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5456 (stcb->asoc.stream_queue_cnt == 0)) { 5457 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5458 } 5459 } 5460 } else { 5461 sctp_stcb_feature_off(inp, stcb, event_type); 5462 } 5463 SCTP_TCB_UNLOCK(stcb); 5464 } else { 5465 /* 5466 * We don't want to send up a storm 5467 * of events, so return an error for 5468 * sender dry events 5469 */ 5470 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 5471 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 5472 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 5473 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 5474 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 5475 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5476 error = ENOTSUP; 5477 break; 5478 } 5479 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5480 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5481 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 5482 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5483 SCTP_INP_WLOCK(inp); 5484 if (event->se_on) { 5485 sctp_feature_on(inp, event_type); 5486 } else { 5487 sctp_feature_off(inp, event_type); 5488 } 5489 SCTP_INP_WUNLOCK(inp); 5490 } 5491 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 5492 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5493 SCTP_INP_RLOCK(inp); 5494 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5495 SCTP_TCB_LOCK(stcb); 5496 if (event->se_on) { 5497 sctp_stcb_feature_on(inp, stcb, event_type); 5498 } else { 5499 sctp_stcb_feature_off(inp, stcb, event_type); 5500 } 5501 SCTP_TCB_UNLOCK(stcb); 5502 } 5503 SCTP_INP_RUNLOCK(inp); 5504 } 5505 } 5506 } 5507 break; 5508 } 5509 case SCTP_RECVRCVINFO: 5510 { 5511 int *onoff; 5512 5513 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5514 SCTP_INP_WLOCK(inp); 5515 if (*onoff != 0) { 5516 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5517 } else { 5518 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5519 } 5520 SCTP_INP_WUNLOCK(inp); 5521 break; 5522 } 5523 case SCTP_RECVNXTINFO: 5524 { 5525 int *onoff; 5526 5527 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5528 SCTP_INP_WLOCK(inp); 5529 if (*onoff != 0) { 5530 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5531 } else { 5532 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5533 } 5534 SCTP_INP_WUNLOCK(inp); 5535 break; 5536 } 5537 case SCTP_DEFAULT_SNDINFO: 5538 { 5539 struct sctp_sndinfo *info; 5540 uint16_t policy; 5541 5542 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 5543 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 5544 5545 if (stcb) { 5546 if (info->snd_sid < stcb->asoc.streamoutcnt) { 5547 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 5548 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 5549 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 5550 stcb->asoc.def_send.sinfo_flags |= policy; 5551 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 5552 stcb->asoc.def_send.sinfo_context = info->snd_context; 5553 } else { 5554 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5555 error = EINVAL; 5556 } 5557 SCTP_TCB_UNLOCK(stcb); 5558 } else { 5559 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5560 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5561 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 5562 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 5563 SCTP_INP_WLOCK(inp); 5564 inp->def_send.sinfo_stream = info->snd_sid; 5565 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 5566 inp->def_send.sinfo_flags = info->snd_flags; 5567 inp->def_send.sinfo_flags |= policy; 5568 inp->def_send.sinfo_ppid = info->snd_ppid; 5569 inp->def_send.sinfo_context = info->snd_context; 5570 SCTP_INP_WUNLOCK(inp); 5571 } 5572 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 5573 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 5574 SCTP_INP_RLOCK(inp); 5575 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5576 SCTP_TCB_LOCK(stcb); 5577 if (info->snd_sid < stcb->asoc.streamoutcnt) { 5578 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 5579 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 5580 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 5581 stcb->asoc.def_send.sinfo_flags |= policy; 5582 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 5583 stcb->asoc.def_send.sinfo_context = info->snd_context; 5584 } 5585 SCTP_TCB_UNLOCK(stcb); 5586 } 5587 SCTP_INP_RUNLOCK(inp); 5588 } 5589 } 5590 break; 5591 } 5592 case SCTP_DEFAULT_PRINFO: 5593 { 5594 struct sctp_default_prinfo *info; 5595 5596 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 5597 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 5598 5599 if (PR_SCTP_INVALID_POLICY(info->pr_policy)) { 5600 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5601 error = EINVAL; 5602 break; 5603 } 5604 if (stcb) { 5605 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 5606 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 5607 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 5608 SCTP_TCB_UNLOCK(stcb); 5609 } else { 5610 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5611 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5612 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 5613 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 5614 SCTP_INP_WLOCK(inp); 5615 inp->def_send.sinfo_flags &= 0xfff0; 5616 inp->def_send.sinfo_flags |= info->pr_policy; 5617 inp->def_send.sinfo_timetolive = info->pr_value; 5618 SCTP_INP_WUNLOCK(inp); 5619 } 5620 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 5621 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 5622 SCTP_INP_RLOCK(inp); 5623 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5624 SCTP_TCB_LOCK(stcb); 5625 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 5626 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 5627 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 5628 SCTP_TCB_UNLOCK(stcb); 5629 } 5630 SCTP_INP_RUNLOCK(inp); 5631 } 5632 } 5633 break; 5634 } 5635 case SCTP_PEER_ADDR_THLDS: 5636 /* Applies to the specific association */ 5637 { 5638 struct sctp_paddrthlds *thlds; 5639 struct sctp_nets *net; 5640 5641 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 5642 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 5643 net = NULL; 5644 if (stcb) { 5645 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_assoc_id); 5646 } else { 5647 /* 5648 * We increment here since 5649 * sctp_findassociation_ep_addr() wil do a 5650 * decrement if it finds the stcb as long as 5651 * the locked tcb (last argument) is NOT a 5652 * TCB.. aka NULL. 5653 */ 5654 SCTP_INP_INCR_REF(inp); 5655 stcb = sctp_findassociation_ep_addr(&inp, 5656 (struct sockaddr *)&thlds->spt_assoc_id, 5657 &net, NULL, NULL); 5658 if (stcb == NULL) { 5659 SCTP_INP_DECR_REF(inp); 5660 } 5661 } 5662 if (stcb && (net == NULL)) { 5663 struct sockaddr *sa; 5664 5665 sa = (struct sockaddr *)&thlds->spt_assoc_id; 5666#ifdef INET 5667 if (sa->sa_family == AF_INET) { 5668 5669 struct sockaddr_in *sin; 5670 5671 sin = (struct sockaddr_in *)sa; 5672 if (sin->sin_addr.s_addr) { 5673 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5674 SCTP_TCB_UNLOCK(stcb); 5675 error = EINVAL; 5676 break; 5677 } 5678 } else 5679#endif 5680#ifdef INET6 5681 if (sa->sa_family == AF_INET6) { 5682 struct sockaddr_in6 *sin6; 5683 5684 sin6 = (struct sockaddr_in6 *)sa; 5685 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5686 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5687 SCTP_TCB_UNLOCK(stcb); 5688 error = EINVAL; 5689 break; 5690 } 5691 } else 5692#endif 5693 { 5694 error = EAFNOSUPPORT; 5695 SCTP_TCB_UNLOCK(stcb); 5696 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5697 break; 5698 } 5699 } 5700 if (stcb) { 5701 if (net) { 5702 if (net->dest_state & SCTP_ADDR_PF) { 5703 if ((net->failure_threshold > thlds->spt_pathmaxrxt) || 5704 (net->failure_threshold <= thlds->spt_pathpfthld)) { 5705 net->dest_state &= ~SCTP_ADDR_PF; 5706 } 5707 } else { 5708 if ((net->failure_threshold > thlds->spt_pathpfthld) && 5709 (net->failure_threshold <= thlds->spt_pathmaxrxt)) { 5710 net->dest_state |= SCTP_ADDR_PF; 5711 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5712 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5713 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5714 } 5715 } 5716 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5717 if (net->failure_threshold > thlds->spt_pathmaxrxt) { 5718 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5719 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5720 } 5721 } else { 5722 if (net->failure_threshold <= thlds->spt_pathmaxrxt) { 5723 net->dest_state |= SCTP_ADDR_REACHABLE; 5724 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5725 } 5726 } 5727 net->failure_threshold = thlds->spt_pathmaxrxt; 5728 net->pf_threshold = thlds->spt_pathpfthld; 5729 } else { 5730 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5731 if (net->dest_state & SCTP_ADDR_PF) { 5732 if ((net->failure_threshold > thlds->spt_pathmaxrxt) || 5733 (net->failure_threshold <= thlds->spt_pathpfthld)) { 5734 net->dest_state &= ~SCTP_ADDR_PF; 5735 } 5736 } else { 5737 if ((net->failure_threshold > thlds->spt_pathpfthld) && 5738 (net->failure_threshold <= thlds->spt_pathmaxrxt)) { 5739 net->dest_state |= SCTP_ADDR_PF; 5740 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5741 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5742 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5743 } 5744 } 5745 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5746 if (net->failure_threshold > thlds->spt_pathmaxrxt) { 5747 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5748 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5749 } 5750 } else { 5751 if (net->failure_threshold <= thlds->spt_pathmaxrxt) { 5752 net->dest_state |= SCTP_ADDR_REACHABLE; 5753 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5754 } 5755 } 5756 net->failure_threshold = thlds->spt_pathmaxrxt; 5757 net->pf_threshold = thlds->spt_pathpfthld; 5758 } 5759 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 5760 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 5761 } 5762 } else { 5763 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5764 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5765 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 5766 SCTP_INP_WLOCK(inp); 5767 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 5768 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 5769 SCTP_INP_WUNLOCK(inp); 5770 } else { 5771 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5772 error = EINVAL; 5773 } 5774 } 5775 break; 5776 } 5777 case SCTP_REMOTE_UDP_ENCAPS_PORT: 5778 { 5779 struct sctp_udpencaps *encaps; 5780 struct sctp_nets *net; 5781 5782 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 5783 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 5784 if (stcb) { 5785 net = sctp_findnet(stcb, (struct sockaddr *)&encaps->sue_address); 5786 } else { 5787 /* 5788 * We increment here since 5789 * sctp_findassociation_ep_addr() wil do a 5790 * decrement if it finds the stcb as long as 5791 * the locked tcb (last argument) is NOT a 5792 * TCB.. aka NULL. 5793 */ 5794 net = NULL; 5795 SCTP_INP_INCR_REF(inp); 5796 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&encaps->sue_address, &net, NULL, NULL); 5797 if (stcb == NULL) { 5798 SCTP_INP_DECR_REF(inp); 5799 } 5800 } 5801 if (stcb && (net == NULL)) { 5802 struct sockaddr *sa; 5803 5804 sa = (struct sockaddr *)&encaps->sue_address; 5805#ifdef INET 5806 if (sa->sa_family == AF_INET) { 5807 5808 struct sockaddr_in *sin; 5809 5810 sin = (struct sockaddr_in *)sa; 5811 if (sin->sin_addr.s_addr) { 5812 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5813 SCTP_TCB_UNLOCK(stcb); 5814 error = EINVAL; 5815 break; 5816 } 5817 } else 5818#endif 5819#ifdef INET6 5820 if (sa->sa_family == AF_INET6) { 5821 struct sockaddr_in6 *sin6; 5822 5823 sin6 = (struct sockaddr_in6 *)sa; 5824 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5825 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5826 SCTP_TCB_UNLOCK(stcb); 5827 error = EINVAL; 5828 break; 5829 } 5830 } else 5831#endif 5832 { 5833 error = EAFNOSUPPORT; 5834 SCTP_TCB_UNLOCK(stcb); 5835 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5836 break; 5837 } 5838 } 5839 if (stcb) { 5840 if (net) { 5841 net->port = encaps->sue_port; 5842 } else { 5843 stcb->asoc.port = encaps->sue_port; 5844 } 5845 SCTP_TCB_UNLOCK(stcb); 5846 } else { 5847 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5848 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5849 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 5850 SCTP_INP_WLOCK(inp); 5851 inp->sctp_ep.port = encaps->sue_port; 5852 SCTP_INP_WUNLOCK(inp); 5853 } else { 5854 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5855 error = EINVAL; 5856 } 5857 } 5858 break; 5859 } 5860 default: 5861 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 5862 error = ENOPROTOOPT; 5863 break; 5864 } /* end switch (opt) */ 5865 return (error); 5866} 5867 5868int 5869sctp_ctloutput(struct socket *so, struct sockopt *sopt) 5870{ 5871 void *optval = NULL; 5872 size_t optsize = 0; 5873 void *p; 5874 int error = 0; 5875 5876 if (sopt->sopt_level != IPPROTO_SCTP) { 5877 /* wrong proto level... send back up to IP */ 5878#ifdef INET6 5879 if (INP_CHECK_SOCKAF(so, AF_INET6)) 5880 error = ip6_ctloutput(so, sopt); 5881#endif /* INET6 */ 5882#if defined(INET) && defined(INET6) 5883 else 5884#endif 5885#ifdef INET 5886 error = ip_ctloutput(so, sopt); 5887#endif 5888 return (error); 5889 } 5890 optsize = sopt->sopt_valsize; 5891 if (optsize) { 5892 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 5893 if (optval == NULL) { 5894 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 5895 return (ENOBUFS); 5896 } 5897 error = sooptcopyin(sopt, optval, optsize, optsize); 5898 if (error) { 5899 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5900 goto out; 5901 } 5902 } 5903 p = (void *)sopt->sopt_td; 5904 if (sopt->sopt_dir == SOPT_SET) { 5905 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 5906 } else if (sopt->sopt_dir == SOPT_GET) { 5907 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 5908 } else { 5909 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5910 error = EINVAL; 5911 } 5912 if ((error == 0) && (optval != NULL)) { 5913 error = sooptcopyout(sopt, optval, optsize); 5914 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5915 } else if (optval != NULL) { 5916 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5917 } 5918out: 5919 return (error); 5920} 5921 5922#ifdef INET 5923static int 5924sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 5925{ 5926 int error = 0; 5927 int create_lock_on = 0; 5928 uint32_t vrf_id; 5929 struct sctp_inpcb *inp; 5930 struct sctp_tcb *stcb = NULL; 5931 5932 inp = (struct sctp_inpcb *)so->so_pcb; 5933 if (inp == NULL) { 5934 /* I made the same as TCP since we are not setup? */ 5935 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5936 return (ECONNRESET); 5937 } 5938 if (addr == NULL) { 5939 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5940 return EINVAL; 5941 } 5942 switch (addr->sa_family) { 5943#ifdef INET6 5944 case AF_INET6: 5945 { 5946 struct sockaddr_in6 *sin6p; 5947 5948 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 5949 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5950 return (EINVAL); 5951 } 5952 sin6p = (struct sockaddr_in6 *)addr; 5953 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 5954 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5955 return (error); 5956 } 5957 break; 5958 } 5959#endif 5960#ifdef INET 5961 case AF_INET: 5962 { 5963 struct sockaddr_in *sinp; 5964 5965 if (addr->sa_len != sizeof(struct sockaddr_in)) { 5966 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5967 return (EINVAL); 5968 } 5969 sinp = (struct sockaddr_in *)addr; 5970 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 5971 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5972 return (error); 5973 } 5974 break; 5975 } 5976#endif 5977 default: 5978 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 5979 return (EAFNOSUPPORT); 5980 } 5981 SCTP_INP_INCR_REF(inp); 5982 SCTP_ASOC_CREATE_LOCK(inp); 5983 create_lock_on = 1; 5984 5985 5986 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 5987 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 5988 /* Should I really unlock ? */ 5989 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 5990 error = EFAULT; 5991 goto out_now; 5992 } 5993#ifdef INET6 5994 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 5995 (addr->sa_family == AF_INET6)) { 5996 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5997 error = EINVAL; 5998 goto out_now; 5999 } 6000#endif 6001 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 6002 SCTP_PCB_FLAGS_UNBOUND) { 6003 /* Bind a ephemeral port */ 6004 error = sctp_inpcb_bind(so, NULL, NULL, p); 6005 if (error) { 6006 goto out_now; 6007 } 6008 } 6009 /* Now do we connect? */ 6010 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 6011 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 6012 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6013 error = EINVAL; 6014 goto out_now; 6015 } 6016 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6017 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6018 /* We are already connected AND the TCP model */ 6019 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6020 error = EADDRINUSE; 6021 goto out_now; 6022 } 6023 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6024 SCTP_INP_RLOCK(inp); 6025 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6026 SCTP_INP_RUNLOCK(inp); 6027 } else { 6028 /* 6029 * We increment here since sctp_findassociation_ep_addr() 6030 * will do a decrement if it finds the stcb as long as the 6031 * locked tcb (last argument) is NOT a TCB.. aka NULL. 6032 */ 6033 SCTP_INP_INCR_REF(inp); 6034 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 6035 if (stcb == NULL) { 6036 SCTP_INP_DECR_REF(inp); 6037 } else { 6038 SCTP_TCB_UNLOCK(stcb); 6039 } 6040 } 6041 if (stcb != NULL) { 6042 /* Already have or am bring up an association */ 6043 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 6044 error = EALREADY; 6045 goto out_now; 6046 } 6047 vrf_id = inp->def_vrf_id; 6048 /* We are GOOD to go */ 6049 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, p); 6050 if (stcb == NULL) { 6051 /* Gak! no memory */ 6052 goto out_now; 6053 } 6054 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 6055 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 6056 /* Set the connected flag so we can queue data */ 6057 soisconnecting(so); 6058 } 6059 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 6060 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 6061 6062 /* initialize authentication parameters for the assoc */ 6063 sctp_initialize_auth_params(inp, stcb); 6064 6065 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 6066 SCTP_TCB_UNLOCK(stcb); 6067out_now: 6068 if (create_lock_on) { 6069 SCTP_ASOC_CREATE_UNLOCK(inp); 6070 } 6071 SCTP_INP_DECR_REF(inp); 6072 return (error); 6073} 6074 6075#endif 6076 6077int 6078sctp_listen(struct socket *so, int backlog, struct thread *p) 6079{ 6080 /* 6081 * Note this module depends on the protocol processing being called 6082 * AFTER any socket level flags and backlog are applied to the 6083 * socket. The traditional way that the socket flags are applied is 6084 * AFTER protocol processing. We have made a change to the 6085 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 6086 * place if the socket API for SCTP is to work properly. 6087 */ 6088 6089 int error = 0; 6090 struct sctp_inpcb *inp; 6091 6092 inp = (struct sctp_inpcb *)so->so_pcb; 6093 if (inp == NULL) { 6094 /* I made the same as TCP since we are not setup? */ 6095 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6096 return (ECONNRESET); 6097 } 6098 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 6099 /* See if we have a listener */ 6100 struct sctp_inpcb *tinp; 6101 union sctp_sockstore store, *sp; 6102 6103 sp = &store; 6104 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 6105 /* not bound all */ 6106 struct sctp_laddr *laddr; 6107 6108 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6109 memcpy(&store, &laddr->ifa->address, sizeof(store)); 6110 switch (sp->sa.sa_family) { 6111#ifdef INET 6112 case AF_INET: 6113 sp->sin.sin_port = inp->sctp_lport; 6114 break; 6115#endif 6116#ifdef INET6 6117 case AF_INET6: 6118 sp->sin6.sin6_port = inp->sctp_lport; 6119 break; 6120#endif 6121 default: 6122 break; 6123 } 6124 tinp = sctp_pcb_findep(&sp->sa, 0, 0, inp->def_vrf_id); 6125 if (tinp && (tinp != inp) && 6126 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6127 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6128 (tinp->sctp_socket->so_qlimit)) { 6129 /* 6130 * we have a listener already and 6131 * its not this inp. 6132 */ 6133 SCTP_INP_DECR_REF(tinp); 6134 return (EADDRINUSE); 6135 } else if (tinp) { 6136 SCTP_INP_DECR_REF(tinp); 6137 } 6138 } 6139 } else { 6140 /* Setup a local addr bound all */ 6141 memset(&store, 0, sizeof(store)); 6142 switch (sp->sa.sa_family) { 6143#ifdef INET 6144 case AF_INET: 6145 store.sin.sin_port = inp->sctp_lport; 6146 break; 6147#endif 6148#ifdef INET6 6149 case AF_INET6: 6150 sp->sin6.sin6_port = inp->sctp_lport; 6151 break; 6152#endif 6153 default: 6154 break; 6155 } 6156#ifdef INET6 6157 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 6158 store.sa.sa_family = AF_INET6; 6159 store.sa.sa_len = sizeof(struct sockaddr_in6); 6160 } 6161#endif 6162#ifdef INET 6163 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 6164 store.sa.sa_family = AF_INET; 6165 store.sa.sa_len = sizeof(struct sockaddr_in); 6166 } 6167#endif 6168 tinp = sctp_pcb_findep(&sp->sa, 0, 0, inp->def_vrf_id); 6169 if (tinp && (tinp != inp) && 6170 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6171 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6172 (tinp->sctp_socket->so_qlimit)) { 6173 /* 6174 * we have a listener already and its not 6175 * this inp. 6176 */ 6177 SCTP_INP_DECR_REF(tinp); 6178 return (EADDRINUSE); 6179 } else if (tinp) { 6180 SCTP_INP_DECR_REF(inp); 6181 } 6182 } 6183 } 6184 SCTP_INP_RLOCK(inp); 6185#ifdef SCTP_LOCK_LOGGING 6186 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 6187 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 6188 } 6189#endif 6190 SOCK_LOCK(so); 6191 error = solisten_proto_check(so); 6192 if (error) { 6193 SOCK_UNLOCK(so); 6194 SCTP_INP_RUNLOCK(inp); 6195 return (error); 6196 } 6197 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 6198 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 6199 /* 6200 * The unlucky case - We are in the tcp pool with this guy. 6201 * - Someone else is in the main inp slot. - We must move 6202 * this guy (the listener) to the main slot - We must then 6203 * move the guy that was listener to the TCP Pool. 6204 */ 6205 if (sctp_swap_inpcb_for_listen(inp)) { 6206 goto in_use; 6207 } 6208 } 6209 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6210 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6211 /* We are already connected AND the TCP model */ 6212in_use: 6213 SCTP_INP_RUNLOCK(inp); 6214 SOCK_UNLOCK(so); 6215 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6216 return (EADDRINUSE); 6217 } 6218 SCTP_INP_RUNLOCK(inp); 6219 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 6220 /* We must do a bind. */ 6221 SOCK_UNLOCK(so); 6222 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 6223 /* bind error, probably perm */ 6224 return (error); 6225 } 6226 SOCK_LOCK(so); 6227 } 6228 /* It appears for 7.0 and on, we must always call this. */ 6229 solisten_proto(so, backlog); 6230 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 6231 /* remove the ACCEPTCONN flag for one-to-many sockets */ 6232 so->so_options &= ~SO_ACCEPTCONN; 6233 } 6234 if (backlog == 0) { 6235 /* turning off listen */ 6236 so->so_options &= ~SO_ACCEPTCONN; 6237 } 6238 SOCK_UNLOCK(so); 6239 return (error); 6240} 6241 6242static int sctp_defered_wakeup_cnt = 0; 6243 6244int 6245sctp_accept(struct socket *so, struct sockaddr **addr) 6246{ 6247 struct sctp_tcb *stcb; 6248 struct sctp_inpcb *inp; 6249 union sctp_sockstore store; 6250 6251#ifdef INET6 6252 int error; 6253 6254#endif 6255 inp = (struct sctp_inpcb *)so->so_pcb; 6256 6257 if (inp == NULL) { 6258 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6259 return (ECONNRESET); 6260 } 6261 SCTP_INP_RLOCK(inp); 6262 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 6263 SCTP_INP_RUNLOCK(inp); 6264 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 6265 return (EOPNOTSUPP); 6266 } 6267 if (so->so_state & SS_ISDISCONNECTED) { 6268 SCTP_INP_RUNLOCK(inp); 6269 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 6270 return (ECONNABORTED); 6271 } 6272 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6273 if (stcb == NULL) { 6274 SCTP_INP_RUNLOCK(inp); 6275 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6276 return (ECONNRESET); 6277 } 6278 SCTP_TCB_LOCK(stcb); 6279 SCTP_INP_RUNLOCK(inp); 6280 store = stcb->asoc.primary_destination->ro._l_addr; 6281 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 6282 SCTP_TCB_UNLOCK(stcb); 6283 switch (store.sa.sa_family) { 6284#ifdef INET 6285 case AF_INET: 6286 { 6287 struct sockaddr_in *sin; 6288 6289 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6290 if (sin == NULL) 6291 return (ENOMEM); 6292 sin->sin_family = AF_INET; 6293 sin->sin_len = sizeof(*sin); 6294 sin->sin_port = store.sin.sin_port; 6295 sin->sin_addr = store.sin.sin_addr; 6296 *addr = (struct sockaddr *)sin; 6297 break; 6298 } 6299#endif 6300#ifdef INET6 6301 case AF_INET6: 6302 { 6303 struct sockaddr_in6 *sin6; 6304 6305 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 6306 if (sin6 == NULL) 6307 return (ENOMEM); 6308 sin6->sin6_family = AF_INET6; 6309 sin6->sin6_len = sizeof(*sin6); 6310 sin6->sin6_port = store.sin6.sin6_port; 6311 sin6->sin6_addr = store.sin6.sin6_addr; 6312 if ((error = sa6_recoverscope(sin6)) != 0) { 6313 SCTP_FREE_SONAME(sin6); 6314 return (error); 6315 } 6316 *addr = (struct sockaddr *)sin6; 6317 break; 6318 } 6319#endif 6320 default: 6321 /* TSNH */ 6322 break; 6323 } 6324 /* Wake any delayed sleep action */ 6325 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 6326 SCTP_INP_WLOCK(inp); 6327 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 6328 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 6329 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 6330 SCTP_INP_WUNLOCK(inp); 6331 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 6332 if (sowriteable(inp->sctp_socket)) { 6333 sowwakeup_locked(inp->sctp_socket); 6334 } else { 6335 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 6336 } 6337 SCTP_INP_WLOCK(inp); 6338 } 6339 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 6340 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 6341 SCTP_INP_WUNLOCK(inp); 6342 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 6343 if (soreadable(inp->sctp_socket)) { 6344 sctp_defered_wakeup_cnt++; 6345 sorwakeup_locked(inp->sctp_socket); 6346 } else { 6347 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 6348 } 6349 SCTP_INP_WLOCK(inp); 6350 } 6351 SCTP_INP_WUNLOCK(inp); 6352 } 6353 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 6354 SCTP_TCB_LOCK(stcb); 6355 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 6356 } 6357 return (0); 6358} 6359 6360#ifdef INET 6361int 6362sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 6363{ 6364 struct sockaddr_in *sin; 6365 uint32_t vrf_id; 6366 struct sctp_inpcb *inp; 6367 struct sctp_ifa *sctp_ifa; 6368 6369 /* 6370 * Do the malloc first in case it blocks. 6371 */ 6372 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6373 if (sin == NULL) 6374 return (ENOMEM); 6375 sin->sin_family = AF_INET; 6376 sin->sin_len = sizeof(*sin); 6377 inp = (struct sctp_inpcb *)so->so_pcb; 6378 if (!inp) { 6379 SCTP_FREE_SONAME(sin); 6380 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6381 return (ECONNRESET); 6382 } 6383 SCTP_INP_RLOCK(inp); 6384 sin->sin_port = inp->sctp_lport; 6385 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 6386 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6387 struct sctp_tcb *stcb; 6388 struct sockaddr_in *sin_a; 6389 struct sctp_nets *net; 6390 int fnd; 6391 6392 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6393 if (stcb == NULL) { 6394 goto notConn; 6395 } 6396 fnd = 0; 6397 sin_a = NULL; 6398 SCTP_TCB_LOCK(stcb); 6399 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6400 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 6401 if (sin_a == NULL) 6402 /* this will make coverity happy */ 6403 continue; 6404 6405 if (sin_a->sin_family == AF_INET) { 6406 fnd = 1; 6407 break; 6408 } 6409 } 6410 if ((!fnd) || (sin_a == NULL)) { 6411 /* punt */ 6412 SCTP_TCB_UNLOCK(stcb); 6413 goto notConn; 6414 } 6415 vrf_id = inp->def_vrf_id; 6416 sctp_ifa = sctp_source_address_selection(inp, 6417 stcb, 6418 (sctp_route_t *) & net->ro, 6419 net, 0, vrf_id); 6420 if (sctp_ifa) { 6421 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 6422 sctp_free_ifa(sctp_ifa); 6423 } 6424 SCTP_TCB_UNLOCK(stcb); 6425 } else { 6426 /* For the bound all case you get back 0 */ 6427 notConn: 6428 sin->sin_addr.s_addr = 0; 6429 } 6430 6431 } else { 6432 /* Take the first IPv4 address in the list */ 6433 struct sctp_laddr *laddr; 6434 int fnd = 0; 6435 6436 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6437 if (laddr->ifa->address.sa.sa_family == AF_INET) { 6438 struct sockaddr_in *sin_a; 6439 6440 sin_a = (struct sockaddr_in *)&laddr->ifa->address.sa; 6441 sin->sin_addr = sin_a->sin_addr; 6442 fnd = 1; 6443 break; 6444 } 6445 } 6446 if (!fnd) { 6447 SCTP_FREE_SONAME(sin); 6448 SCTP_INP_RUNLOCK(inp); 6449 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 6450 return (ENOENT); 6451 } 6452 } 6453 SCTP_INP_RUNLOCK(inp); 6454 (*addr) = (struct sockaddr *)sin; 6455 return (0); 6456} 6457 6458int 6459sctp_peeraddr(struct socket *so, struct sockaddr **addr) 6460{ 6461 struct sockaddr_in *sin; 6462 int fnd; 6463 struct sockaddr_in *sin_a; 6464 struct sctp_inpcb *inp; 6465 struct sctp_tcb *stcb; 6466 struct sctp_nets *net; 6467 6468 /* Do the malloc first in case it blocks. */ 6469 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6470 if (sin == NULL) 6471 return (ENOMEM); 6472 sin->sin_family = AF_INET; 6473 sin->sin_len = sizeof(*sin); 6474 6475 inp = (struct sctp_inpcb *)so->so_pcb; 6476 if ((inp == NULL) || 6477 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 6478 /* UDP type and listeners will drop out here */ 6479 SCTP_FREE_SONAME(sin); 6480 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 6481 return (ENOTCONN); 6482 } 6483 SCTP_INP_RLOCK(inp); 6484 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6485 if (stcb) { 6486 SCTP_TCB_LOCK(stcb); 6487 } 6488 SCTP_INP_RUNLOCK(inp); 6489 if (stcb == NULL) { 6490 SCTP_FREE_SONAME(sin); 6491 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6492 return (ECONNRESET); 6493 } 6494 fnd = 0; 6495 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6496 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 6497 if (sin_a->sin_family == AF_INET) { 6498 fnd = 1; 6499 sin->sin_port = stcb->rport; 6500 sin->sin_addr = sin_a->sin_addr; 6501 break; 6502 } 6503 } 6504 SCTP_TCB_UNLOCK(stcb); 6505 if (!fnd) { 6506 /* No IPv4 address */ 6507 SCTP_FREE_SONAME(sin); 6508 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 6509 return (ENOENT); 6510 } 6511 (*addr) = (struct sockaddr *)sin; 6512 return (0); 6513} 6514 6515struct pr_usrreqs sctp_usrreqs = { 6516 .pru_abort = sctp_abort, 6517 .pru_accept = sctp_accept, 6518 .pru_attach = sctp_attach, 6519 .pru_bind = sctp_bind, 6520 .pru_connect = sctp_connect, 6521 .pru_control = in_control, 6522 .pru_close = sctp_close, 6523 .pru_detach = sctp_close, 6524 .pru_sopoll = sopoll_generic, 6525 .pru_flush = sctp_flush, 6526 .pru_disconnect = sctp_disconnect, 6527 .pru_listen = sctp_listen, 6528 .pru_peeraddr = sctp_peeraddr, 6529 .pru_send = sctp_sendm, 6530 .pru_shutdown = sctp_shutdown, 6531 .pru_sockaddr = sctp_ingetaddr, 6532 .pru_sosend = sctp_sosend, 6533 .pru_soreceive = sctp_soreceive 6534}; 6535 6536#endif 6537