sctp_usrreq.c revision 228391
1/*- 2 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2008-2011, by Randall Stewart. All rights reserved. 4 * Copyright (c) 2008-2011, by Michael Tuexen. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * a) Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * b) Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the distribution. 15 * 16 * c) Neither the name of Cisco Systems, Inc. nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33/* $KAME: sctp_usrreq.c,v 1.48 2005/03/07 23:26:08 itojun Exp $ */ 34 35#include <sys/cdefs.h> 36__FBSDID("$FreeBSD: head/sys/netinet/sctp_usrreq.c 228391 2011-12-10 10:52:54Z tuexen $"); 37#include <netinet/sctp_os.h> 38#include <sys/proc.h> 39#include <netinet/sctp_pcb.h> 40#include <netinet/sctp_header.h> 41#include <netinet/sctp_var.h> 42#if defined(INET6) 43#endif 44#include <netinet/sctp_sysctl.h> 45#include <netinet/sctp_output.h> 46#include <netinet/sctp_uio.h> 47#include <netinet/sctp_asconf.h> 48#include <netinet/sctputil.h> 49#include <netinet/sctp_indata.h> 50#include <netinet/sctp_timer.h> 51#include <netinet/sctp_auth.h> 52#include <netinet/sctp_bsd_addr.h> 53#include <netinet/udp.h> 54 55 56 57extern struct sctp_cc_functions sctp_cc_functions[]; 58extern struct sctp_ss_functions sctp_ss_functions[]; 59 60void 61sctp_init(void) 62{ 63 u_long sb_max_adj; 64 65 /* Initialize and modify the sysctled variables */ 66 sctp_init_sysctls(); 67 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 68 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 69 /* 70 * Allow a user to take no more than 1/2 the number of clusters or 71 * the SB_MAX whichever is smaller for the send window. 72 */ 73 sb_max_adj = (u_long)((u_quad_t) (SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 74 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 75 (((uint32_t) nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT)); 76 /* 77 * Now for the recv window, should we take the same amount? or 78 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 79 * now I will just copy. 80 */ 81 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 82 83 SCTP_BASE_VAR(first_time) = 0; 84 SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 85 sctp_pcb_init(); 86#if defined(SCTP_PACKET_LOGGING) 87 SCTP_BASE_VAR(packet_log_writers) = 0; 88 SCTP_BASE_VAR(packet_log_end) = 0; 89 bzero(&SCTP_BASE_VAR(packet_log_buffer), SCTP_PACKET_LOG_SIZE); 90#endif 91 92 93} 94 95void 96sctp_finish(void) 97{ 98 sctp_pcb_finish(); 99} 100 101 102 103void 104sctp_pathmtu_adjustment(struct sctp_inpcb *inp, 105 struct sctp_tcb *stcb, 106 struct sctp_nets *net, 107 uint16_t nxtsz) 108{ 109 struct sctp_tmit_chunk *chk; 110 uint16_t overhead; 111 112 /* Adjust that too */ 113 stcb->asoc.smallest_mtu = nxtsz; 114 /* now off to subtract IP_DF flag if needed */ 115 overhead = IP_HDR_SIZE; 116 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) { 117 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id); 118 } 119 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) { 120 if ((chk->send_size + overhead) > nxtsz) { 121 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 122 } 123 } 124 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) { 125 if ((chk->send_size + overhead) > nxtsz) { 126 /* 127 * For this guy we also mark for immediate resend 128 * since we sent to big of chunk 129 */ 130 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 131 if (chk->sent < SCTP_DATAGRAM_RESEND) { 132 sctp_flight_size_decrease(chk); 133 sctp_total_flight_decrease(stcb, chk); 134 } 135 if (chk->sent != SCTP_DATAGRAM_RESEND) { 136 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt); 137 } 138 chk->sent = SCTP_DATAGRAM_RESEND; 139 chk->rec.data.doing_fast_retransmit = 0; 140 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 141 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 142 chk->whoTo->flight_size, 143 chk->book_size, 144 (uintptr_t) chk->whoTo, 145 chk->rec.data.TSN_seq); 146 } 147 /* Clear any time so NO RTT is being done */ 148 chk->do_rtt = 0; 149 } 150 } 151} 152 153#ifdef INET 154static void 155sctp_notify_mbuf(struct sctp_inpcb *inp, 156 struct sctp_tcb *stcb, 157 struct sctp_nets *net, 158 struct ip *ip, 159 struct sctphdr *sh) 160{ 161 struct icmp *icmph; 162 int totsz, tmr_stopped = 0; 163 uint16_t nxtsz; 164 165 /* protection */ 166 if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 167 (ip == NULL) || (sh == NULL)) { 168 if (stcb != NULL) { 169 SCTP_TCB_UNLOCK(stcb); 170 } 171 return; 172 } 173 /* First job is to verify the vtag matches what I would send */ 174 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 175 SCTP_TCB_UNLOCK(stcb); 176 return; 177 } 178 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 179 sizeof(struct ip))); 180 if (icmph->icmp_type != ICMP_UNREACH) { 181 /* We only care about unreachable */ 182 SCTP_TCB_UNLOCK(stcb); 183 return; 184 } 185 if (icmph->icmp_code != ICMP_UNREACH_NEEDFRAG) { 186 /* not a unreachable message due to frag. */ 187 SCTP_TCB_UNLOCK(stcb); 188 return; 189 } 190 totsz = ip->ip_len; 191 192 nxtsz = ntohs(icmph->icmp_nextmtu); 193 if (nxtsz == 0) { 194 /* 195 * old type router that does not tell us what the next size 196 * mtu is. Rats we will have to guess (in a educated fashion 197 * of course) 198 */ 199 nxtsz = sctp_get_prev_mtu(totsz); 200 } 201 /* Stop any PMTU timer */ 202 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 203 tmr_stopped = 1; 204 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 205 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 206 } 207 /* Adjust destination size limit */ 208 if (net->mtu > nxtsz) { 209 net->mtu = nxtsz; 210 if (net->port) { 211 net->mtu -= sizeof(struct udphdr); 212 } 213 } 214 /* now what about the ep? */ 215 if (stcb->asoc.smallest_mtu > nxtsz) { 216 sctp_pathmtu_adjustment(inp, stcb, net, nxtsz); 217 } 218 if (tmr_stopped) 219 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 220 221 SCTP_TCB_UNLOCK(stcb); 222} 223 224#endif 225 226void 227sctp_notify(struct sctp_inpcb *inp, 228 struct ip *ip, 229 struct sctphdr *sh, 230 struct sockaddr *to, 231 struct sctp_tcb *stcb, 232 struct sctp_nets *net) 233{ 234#if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 235 struct socket *so; 236 237#endif 238 /* protection */ 239 int reason; 240 struct icmp *icmph; 241 242 243 if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 244 (sh == NULL) || (to == NULL)) { 245 if (stcb) 246 SCTP_TCB_UNLOCK(stcb); 247 return; 248 } 249 /* First job is to verify the vtag matches what I would send */ 250 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 251 SCTP_TCB_UNLOCK(stcb); 252 return; 253 } 254 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 255 sizeof(struct ip))); 256 if (icmph->icmp_type != ICMP_UNREACH) { 257 /* We only care about unreachable */ 258 SCTP_TCB_UNLOCK(stcb); 259 return; 260 } 261 if ((icmph->icmp_code == ICMP_UNREACH_NET) || 262 (icmph->icmp_code == ICMP_UNREACH_HOST) || 263 (icmph->icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 264 (icmph->icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 265 (icmph->icmp_code == ICMP_UNREACH_ISOLATED) || 266 (icmph->icmp_code == ICMP_UNREACH_NET_PROHIB) || 267 (icmph->icmp_code == ICMP_UNREACH_HOST_PROHIB) || 268 (icmph->icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 269 270 /* 271 * Hmm reachablity problems we must examine closely. If its 272 * not reachable, we may have lost a network. Or if there is 273 * NO protocol at the other end named SCTP. well we consider 274 * it a OOTB abort. 275 */ 276 if (net->dest_state & SCTP_ADDR_REACHABLE) { 277 /* Ok that destination is NOT reachable */ 278 net->dest_state &= ~SCTP_ADDR_REACHABLE; 279 net->dest_state &= ~SCTP_ADDR_PF; 280 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 281 stcb, SCTP_FAILED_THRESHOLD, 282 (void *)net, SCTP_SO_NOT_LOCKED); 283 } 284 SCTP_TCB_UNLOCK(stcb); 285 } else if ((icmph->icmp_code == ICMP_UNREACH_PROTOCOL) || 286 (icmph->icmp_code == ICMP_UNREACH_PORT)) { 287 /* 288 * Here the peer is either playing tricks on us, including 289 * an address that belongs to someone who does not support 290 * SCTP OR was a userland implementation that shutdown and 291 * now is dead. In either case treat it like a OOTB abort 292 * with no TCB 293 */ 294 reason = SCTP_PEER_FAULTY; 295 sctp_abort_notification(stcb, reason, SCTP_SO_NOT_LOCKED); 296#if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 297 so = SCTP_INP_SO(inp); 298 atomic_add_int(&stcb->asoc.refcnt, 1); 299 SCTP_TCB_UNLOCK(stcb); 300 SCTP_SOCKET_LOCK(so, 1); 301 SCTP_TCB_LOCK(stcb); 302 atomic_subtract_int(&stcb->asoc.refcnt, 1); 303#endif 304 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 305#if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 306 SCTP_SOCKET_UNLOCK(so, 1); 307 /* SCTP_TCB_UNLOCK(stcb); MT: I think this is not needed. */ 308#endif 309 /* no need to unlock here, since the TCB is gone */ 310 } else { 311 SCTP_TCB_UNLOCK(stcb); 312 } 313} 314 315#ifdef INET 316void 317sctp_ctlinput(cmd, sa, vip) 318 int cmd; 319 struct sockaddr *sa; 320 void *vip; 321{ 322 struct ip *ip = vip; 323 struct sctphdr *sh; 324 uint32_t vrf_id; 325 326 /* FIX, for non-bsd is this right? */ 327 vrf_id = SCTP_DEFAULT_VRFID; 328 if (sa->sa_family != AF_INET || 329 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 330 return; 331 } 332 if (PRC_IS_REDIRECT(cmd)) { 333 ip = 0; 334 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 335 return; 336 } 337 if (ip) { 338 struct sctp_inpcb *inp = NULL; 339 struct sctp_tcb *stcb = NULL; 340 struct sctp_nets *net = NULL; 341 struct sockaddr_in to, from; 342 343 sh = (struct sctphdr *)((caddr_t)ip + (ip->ip_hl << 2)); 344 bzero(&to, sizeof(to)); 345 bzero(&from, sizeof(from)); 346 from.sin_family = to.sin_family = AF_INET; 347 from.sin_len = to.sin_len = sizeof(to); 348 from.sin_port = sh->src_port; 349 from.sin_addr = ip->ip_src; 350 to.sin_port = sh->dest_port; 351 to.sin_addr = ip->ip_dst; 352 353 /* 354 * 'to' holds the dest of the packet that failed to be sent. 355 * 'from' holds our local endpoint address. Thus we reverse 356 * the to and the from in the lookup. 357 */ 358 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&from, 359 (struct sockaddr *)&to, 360 &inp, &net, 1, vrf_id); 361 if (stcb != NULL && inp && (inp->sctp_socket != NULL)) { 362 if (cmd != PRC_MSGSIZE) { 363 sctp_notify(inp, ip, sh, 364 (struct sockaddr *)&to, stcb, 365 net); 366 } else { 367 /* handle possible ICMP size messages */ 368 sctp_notify_mbuf(inp, stcb, net, ip, sh); 369 } 370 } else { 371 if ((stcb == NULL) && (inp != NULL)) { 372 /* reduce ref-count */ 373 SCTP_INP_WLOCK(inp); 374 SCTP_INP_DECR_REF(inp); 375 SCTP_INP_WUNLOCK(inp); 376 } 377 if (stcb) { 378 SCTP_TCB_UNLOCK(stcb); 379 } 380 } 381 } 382 return; 383} 384 385#endif 386 387static int 388sctp_getcred(SYSCTL_HANDLER_ARGS) 389{ 390 struct xucred xuc; 391 struct sockaddr_in addrs[2]; 392 struct sctp_inpcb *inp; 393 struct sctp_nets *net; 394 struct sctp_tcb *stcb; 395 int error; 396 uint32_t vrf_id; 397 398 /* FIX, for non-bsd is this right? */ 399 vrf_id = SCTP_DEFAULT_VRFID; 400 401 error = priv_check(req->td, PRIV_NETINET_GETCRED); 402 403 if (error) 404 return (error); 405 406 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 407 if (error) 408 return (error); 409 410 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[0]), 411 sintosa(&addrs[1]), 412 &inp, &net, 1, vrf_id); 413 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 414 if ((inp != NULL) && (stcb == NULL)) { 415 /* reduce ref-count */ 416 SCTP_INP_WLOCK(inp); 417 SCTP_INP_DECR_REF(inp); 418 goto cred_can_cont; 419 } 420 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 421 error = ENOENT; 422 goto out; 423 } 424 SCTP_TCB_UNLOCK(stcb); 425 /* 426 * We use the write lock here, only since in the error leg we need 427 * it. If we used RLOCK, then we would have to 428 * wlock/decr/unlock/rlock. Which in theory could create a hole. 429 * Better to use higher wlock. 430 */ 431 SCTP_INP_WLOCK(inp); 432cred_can_cont: 433 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 434 if (error) { 435 SCTP_INP_WUNLOCK(inp); 436 goto out; 437 } 438 cru2x(inp->sctp_socket->so_cred, &xuc); 439 SCTP_INP_WUNLOCK(inp); 440 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 441out: 442 return (error); 443} 444 445SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW, 446 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection"); 447 448 449#ifdef INET 450static void 451sctp_abort(struct socket *so) 452{ 453 struct sctp_inpcb *inp; 454 uint32_t flags; 455 456 inp = (struct sctp_inpcb *)so->so_pcb; 457 if (inp == 0) { 458 return; 459 } 460sctp_must_try_again: 461 flags = inp->sctp_flags; 462#ifdef SCTP_LOG_CLOSING 463 sctp_log_closing(inp, NULL, 17); 464#endif 465 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 466 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 467#ifdef SCTP_LOG_CLOSING 468 sctp_log_closing(inp, NULL, 16); 469#endif 470 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 471 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 472 SOCK_LOCK(so); 473 SCTP_SB_CLEAR(so->so_snd); 474 /* 475 * same for the rcv ones, they are only here for the 476 * accounting/select. 477 */ 478 SCTP_SB_CLEAR(so->so_rcv); 479 480 /* Now null out the reference, we are completely detached. */ 481 so->so_pcb = NULL; 482 SOCK_UNLOCK(so); 483 } else { 484 flags = inp->sctp_flags; 485 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 486 goto sctp_must_try_again; 487 } 488 } 489 return; 490} 491 492static int 493sctp_attach(struct socket *so, int proto, struct thread *p) 494{ 495 struct sctp_inpcb *inp; 496 struct inpcb *ip_inp; 497 int error; 498 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 499 500#ifdef IPSEC 501 uint32_t flags; 502 503#endif 504 505 inp = (struct sctp_inpcb *)so->so_pcb; 506 if (inp != 0) { 507 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 508 return EINVAL; 509 } 510 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 511 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 512 if (error) { 513 return error; 514 } 515 } 516 error = sctp_inpcb_alloc(so, vrf_id); 517 if (error) { 518 return error; 519 } 520 inp = (struct sctp_inpcb *)so->so_pcb; 521 SCTP_INP_WLOCK(inp); 522 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 523 ip_inp = &inp->ip_inp.inp; 524 ip_inp->inp_vflag |= INP_IPV4; 525 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 526#ifdef IPSEC 527 error = ipsec_init_policy(so, &ip_inp->inp_sp); 528#ifdef SCTP_LOG_CLOSING 529 sctp_log_closing(inp, NULL, 17); 530#endif 531 if (error != 0) { 532try_again: 533 flags = inp->sctp_flags; 534 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 535 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 536#ifdef SCTP_LOG_CLOSING 537 sctp_log_closing(inp, NULL, 15); 538#endif 539 SCTP_INP_WUNLOCK(inp); 540 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 541 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 542 } else { 543 flags = inp->sctp_flags; 544 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 545 goto try_again; 546 } else { 547 SCTP_INP_WUNLOCK(inp); 548 } 549 } 550 return error; 551 } 552#endif /* IPSEC */ 553 SCTP_INP_WUNLOCK(inp); 554 return 0; 555} 556 557static int 558sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 559{ 560 struct sctp_inpcb *inp = NULL; 561 int error; 562 563#ifdef INET 564 if (addr && addr->sa_family != AF_INET) { 565 /* must be a v4 address! */ 566 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 567 return EINVAL; 568 } 569#endif /* INET6 */ 570 if (addr && (addr->sa_len != sizeof(struct sockaddr_in))) { 571 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 572 return EINVAL; 573 } 574 inp = (struct sctp_inpcb *)so->so_pcb; 575 if (inp == 0) { 576 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 577 return EINVAL; 578 } 579 error = sctp_inpcb_bind(so, addr, NULL, p); 580 return error; 581} 582 583#endif 584void 585sctp_close(struct socket *so) 586{ 587 struct sctp_inpcb *inp; 588 uint32_t flags; 589 590 inp = (struct sctp_inpcb *)so->so_pcb; 591 if (inp == 0) 592 return; 593 594 /* 595 * Inform all the lower layer assoc that we are done. 596 */ 597sctp_must_try_again: 598 flags = inp->sctp_flags; 599#ifdef SCTP_LOG_CLOSING 600 sctp_log_closing(inp, NULL, 17); 601#endif 602 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 603 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 604 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 605 (so->so_rcv.sb_cc > 0)) { 606#ifdef SCTP_LOG_CLOSING 607 sctp_log_closing(inp, NULL, 13); 608#endif 609 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 610 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 611 } else { 612#ifdef SCTP_LOG_CLOSING 613 sctp_log_closing(inp, NULL, 14); 614#endif 615 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 616 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 617 } 618 /* 619 * The socket is now detached, no matter what the state of 620 * the SCTP association. 621 */ 622 SOCK_LOCK(so); 623 SCTP_SB_CLEAR(so->so_snd); 624 /* 625 * same for the rcv ones, they are only here for the 626 * accounting/select. 627 */ 628 SCTP_SB_CLEAR(so->so_rcv); 629 630 /* Now null out the reference, we are completely detached. */ 631 so->so_pcb = NULL; 632 SOCK_UNLOCK(so); 633 } else { 634 flags = inp->sctp_flags; 635 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 636 goto sctp_must_try_again; 637 } 638 } 639 return; 640} 641 642 643int 644sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 645 struct mbuf *control, struct thread *p); 646 647 648int 649sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 650 struct mbuf *control, struct thread *p) 651{ 652 struct sctp_inpcb *inp; 653 int error; 654 655 inp = (struct sctp_inpcb *)so->so_pcb; 656 if (inp == 0) { 657 if (control) { 658 sctp_m_freem(control); 659 control = NULL; 660 } 661 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 662 sctp_m_freem(m); 663 return EINVAL; 664 } 665 /* Got to have an to address if we are NOT a connected socket */ 666 if ((addr == NULL) && 667 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 668 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE)) 669 ) { 670 goto connected_type; 671 } else if (addr == NULL) { 672 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 673 error = EDESTADDRREQ; 674 sctp_m_freem(m); 675 if (control) { 676 sctp_m_freem(control); 677 control = NULL; 678 } 679 return (error); 680 } 681#ifdef INET6 682 if (addr->sa_family != AF_INET) { 683 /* must be a v4 address! */ 684 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 685 sctp_m_freem(m); 686 if (control) { 687 sctp_m_freem(control); 688 control = NULL; 689 } 690 error = EDESTADDRREQ; 691 return (error); 692 } 693#endif /* INET6 */ 694connected_type: 695 /* now what about control */ 696 if (control) { 697 if (inp->control) { 698 SCTP_PRINTF("huh? control set?\n"); 699 sctp_m_freem(inp->control); 700 inp->control = NULL; 701 } 702 inp->control = control; 703 } 704 /* Place the data */ 705 if (inp->pkt) { 706 SCTP_BUF_NEXT(inp->pkt_last) = m; 707 inp->pkt_last = m; 708 } else { 709 inp->pkt_last = inp->pkt = m; 710 } 711 if ( 712 /* FreeBSD uses a flag passed */ 713 ((flags & PRUS_MORETOCOME) == 0) 714 ) { 715 /* 716 * note with the current version this code will only be used 717 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 718 * re-defining sosend to use the sctp_sosend. One can 719 * optionally switch back to this code (by changing back the 720 * definitions) but this is not advisable. This code is used 721 * by FreeBSD when sending a file with sendfile() though. 722 */ 723 int ret; 724 725 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 726 inp->pkt = NULL; 727 inp->control = NULL; 728 return (ret); 729 } else { 730 return (0); 731 } 732} 733 734int 735sctp_disconnect(struct socket *so) 736{ 737 struct sctp_inpcb *inp; 738 739 inp = (struct sctp_inpcb *)so->so_pcb; 740 if (inp == NULL) { 741 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 742 return (ENOTCONN); 743 } 744 SCTP_INP_RLOCK(inp); 745 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 746 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 747 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 748 /* No connection */ 749 SCTP_INP_RUNLOCK(inp); 750 return (0); 751 } else { 752 struct sctp_association *asoc; 753 struct sctp_tcb *stcb; 754 755 stcb = LIST_FIRST(&inp->sctp_asoc_list); 756 if (stcb == NULL) { 757 SCTP_INP_RUNLOCK(inp); 758 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 759 return (EINVAL); 760 } 761 SCTP_TCB_LOCK(stcb); 762 asoc = &stcb->asoc; 763 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 764 /* We are about to be freed, out of here */ 765 SCTP_TCB_UNLOCK(stcb); 766 SCTP_INP_RUNLOCK(inp); 767 return (0); 768 } 769 if (((so->so_options & SO_LINGER) && 770 (so->so_linger == 0)) || 771 (so->so_rcv.sb_cc > 0)) { 772 if (SCTP_GET_STATE(asoc) != 773 SCTP_STATE_COOKIE_WAIT) { 774 /* Left with Data unread */ 775 struct mbuf *err; 776 777 err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_DONTWAIT, 1, MT_DATA); 778 if (err) { 779 /* 780 * Fill in the user 781 * initiated abort 782 */ 783 struct sctp_paramhdr *ph; 784 785 ph = mtod(err, struct sctp_paramhdr *); 786 SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr); 787 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT); 788 ph->param_length = htons(SCTP_BUF_LEN(err)); 789 } 790#if defined(SCTP_PANIC_ON_ABORT) 791 panic("disconnect does an abort"); 792#endif 793 sctp_send_abort_tcb(stcb, err, SCTP_SO_LOCKED); 794 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 795 } 796 SCTP_INP_RUNLOCK(inp); 797 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 798 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 799 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 800 } 801 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 802 /* No unlock tcb assoc is gone */ 803 return (0); 804 } 805 if (TAILQ_EMPTY(&asoc->send_queue) && 806 TAILQ_EMPTY(&asoc->sent_queue) && 807 (asoc->stream_queue_cnt == 0)) { 808 /* there is nothing queued to send, so done */ 809 if (asoc->locked_on_sending) { 810 goto abort_anyway; 811 } 812 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) && 813 (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 814 /* only send SHUTDOWN 1st time thru */ 815 struct sctp_nets *netp; 816 817 if (stcb->asoc.alternate) { 818 netp = stcb->asoc.alternate; 819 } else { 820 netp = stcb->asoc.primary_destination; 821 } 822 sctp_stop_timers_for_shutdown(stcb); 823 sctp_send_shutdown(stcb, netp); 824 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 825 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 826 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 827 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 828 } 829 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 830 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 831 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 832 stcb->sctp_ep, stcb, netp); 833 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 834 stcb->sctp_ep, stcb, netp); 835 836 } 837 } else { 838 /* 839 * we still got (or just got) data to send, 840 * so set SHUTDOWN_PENDING 841 */ 842 /* 843 * XXX sockets draft says that SCTP_EOF 844 * should be sent with no data. currently, 845 * we will allow user data to be sent first 846 * and move to SHUTDOWN-PENDING 847 */ 848 struct sctp_nets *netp; 849 850 if (stcb->asoc.alternate) { 851 netp = stcb->asoc.alternate; 852 } else { 853 netp = stcb->asoc.primary_destination; 854 } 855 856 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 857 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 858 netp); 859 if (asoc->locked_on_sending) { 860 /* Locked to send out the data */ 861 struct sctp_stream_queue_pending *sp; 862 863 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 864 if (sp == NULL) { 865 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 866 asoc->locked_on_sending->stream_no); 867 } else { 868 if ((sp->length == 0) && (sp->msg_is_complete == 0)) 869 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 870 } 871 } 872 if (TAILQ_EMPTY(&asoc->send_queue) && 873 TAILQ_EMPTY(&asoc->sent_queue) && 874 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 875 struct mbuf *op_err; 876 877 abort_anyway: 878 op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)), 879 0, M_DONTWAIT, 1, MT_DATA); 880 if (op_err) { 881 /* 882 * Fill in the user 883 * initiated abort 884 */ 885 struct sctp_paramhdr *ph; 886 uint32_t *ippp; 887 888 SCTP_BUF_LEN(op_err) = 889 (sizeof(struct sctp_paramhdr) + sizeof(uint32_t)); 890 ph = mtod(op_err, 891 struct sctp_paramhdr *); 892 ph->param_type = htons( 893 SCTP_CAUSE_USER_INITIATED_ABT); 894 ph->param_length = htons(SCTP_BUF_LEN(op_err)); 895 ippp = (uint32_t *) (ph + 1); 896 *ippp = htonl(SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4); 897 } 898#if defined(SCTP_PANIC_ON_ABORT) 899 panic("disconnect does an abort"); 900#endif 901 902 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 903 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 904 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 905 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 906 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 907 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 908 } 909 SCTP_INP_RUNLOCK(inp); 910 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 911 return (0); 912 } else { 913 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 914 } 915 } 916 soisdisconnecting(so); 917 SCTP_TCB_UNLOCK(stcb); 918 SCTP_INP_RUNLOCK(inp); 919 return (0); 920 } 921 /* not reached */ 922 } else { 923 /* UDP model does not support this */ 924 SCTP_INP_RUNLOCK(inp); 925 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 926 return EOPNOTSUPP; 927 } 928} 929 930int 931sctp_flush(struct socket *so, int how) 932{ 933 /* 934 * We will just clear out the values and let subsequent close clear 935 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 936 * they will not be able to read the data, the socket will block 937 * that from happening. 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 the 1 to many model this does nothing */ 948 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 949 SCTP_INP_RUNLOCK(inp); 950 return (0); 951 } 952 SCTP_INP_RUNLOCK(inp); 953 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 954 /* 955 * First make sure the sb will be happy, we don't use these 956 * except maybe the count 957 */ 958 SCTP_INP_WLOCK(inp); 959 SCTP_INP_READ_LOCK(inp); 960 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 961 SCTP_INP_READ_UNLOCK(inp); 962 SCTP_INP_WUNLOCK(inp); 963 so->so_rcv.sb_cc = 0; 964 so->so_rcv.sb_mbcnt = 0; 965 so->so_rcv.sb_mb = NULL; 966 } 967 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 968 /* 969 * First make sure the sb will be happy, we don't use these 970 * except maybe the count 971 */ 972 so->so_snd.sb_cc = 0; 973 so->so_snd.sb_mbcnt = 0; 974 so->so_snd.sb_mb = NULL; 975 976 } 977 return (0); 978} 979 980int 981sctp_shutdown(struct socket *so) 982{ 983 struct sctp_inpcb *inp; 984 985 inp = (struct sctp_inpcb *)so->so_pcb; 986 if (inp == 0) { 987 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 988 return EINVAL; 989 } 990 SCTP_INP_RLOCK(inp); 991 /* For UDP model this is a invalid call */ 992 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 993 /* Restore the flags that the soshutdown took away. */ 994 SOCKBUF_LOCK(&so->so_rcv); 995 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 996 SOCKBUF_UNLOCK(&so->so_rcv); 997 /* This proc will wakeup for read and do nothing (I hope) */ 998 SCTP_INP_RUNLOCK(inp); 999 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1000 return (EOPNOTSUPP); 1001 } 1002 /* 1003 * Ok if we reach here its the TCP model and it is either a SHUT_WR 1004 * or SHUT_RDWR. This means we put the shutdown flag against it. 1005 */ 1006 { 1007 struct sctp_tcb *stcb; 1008 struct sctp_association *asoc; 1009 1010 if ((so->so_state & 1011 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 1012 SCTP_INP_RUNLOCK(inp); 1013 return (ENOTCONN); 1014 } 1015 socantsendmore(so); 1016 1017 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1018 if (stcb == NULL) { 1019 /* 1020 * Ok we hit the case that the shutdown call was 1021 * made after an abort or something. Nothing to do 1022 * now. 1023 */ 1024 SCTP_INP_RUNLOCK(inp); 1025 return (0); 1026 } 1027 SCTP_TCB_LOCK(stcb); 1028 asoc = &stcb->asoc; 1029 if (TAILQ_EMPTY(&asoc->send_queue) && 1030 TAILQ_EMPTY(&asoc->sent_queue) && 1031 (asoc->stream_queue_cnt == 0)) { 1032 if (asoc->locked_on_sending) { 1033 goto abort_anyway; 1034 } 1035 /* there is nothing queued to send, so I'm done... */ 1036 if (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) { 1037 /* only send SHUTDOWN the first time through */ 1038 struct sctp_nets *netp; 1039 1040 if (stcb->asoc.alternate) { 1041 netp = stcb->asoc.alternate; 1042 } else { 1043 netp = stcb->asoc.primary_destination; 1044 } 1045 sctp_stop_timers_for_shutdown(stcb); 1046 sctp_send_shutdown(stcb, netp); 1047 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 1048 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 1049 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 1050 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 1051 } 1052 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 1053 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 1054 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 1055 stcb->sctp_ep, stcb, netp); 1056 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 1057 stcb->sctp_ep, stcb, netp); 1058 } 1059 } else { 1060 /* 1061 * we still got (or just got) data to send, so set 1062 * SHUTDOWN_PENDING 1063 */ 1064 struct sctp_nets *netp; 1065 1066 if (stcb->asoc.alternate) { 1067 netp = stcb->asoc.alternate; 1068 } else { 1069 netp = stcb->asoc.primary_destination; 1070 } 1071 1072 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 1073 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 1074 netp); 1075 1076 if (asoc->locked_on_sending) { 1077 /* Locked to send out the data */ 1078 struct sctp_stream_queue_pending *sp; 1079 1080 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 1081 if (sp == NULL) { 1082 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 1083 asoc->locked_on_sending->stream_no); 1084 } else { 1085 if ((sp->length == 0) && (sp->msg_is_complete == 0)) { 1086 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 1087 } 1088 } 1089 } 1090 if (TAILQ_EMPTY(&asoc->send_queue) && 1091 TAILQ_EMPTY(&asoc->sent_queue) && 1092 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 1093 struct mbuf *op_err; 1094 1095 abort_anyway: 1096 op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)), 1097 0, M_DONTWAIT, 1, MT_DATA); 1098 if (op_err) { 1099 /* Fill in the user initiated abort */ 1100 struct sctp_paramhdr *ph; 1101 uint32_t *ippp; 1102 1103 SCTP_BUF_LEN(op_err) = 1104 sizeof(struct sctp_paramhdr) + sizeof(uint32_t); 1105 ph = mtod(op_err, 1106 struct sctp_paramhdr *); 1107 ph->param_type = htons( 1108 SCTP_CAUSE_USER_INITIATED_ABT); 1109 ph->param_length = htons(SCTP_BUF_LEN(op_err)); 1110 ippp = (uint32_t *) (ph + 1); 1111 *ippp = htonl(SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6); 1112 } 1113#if defined(SCTP_PANIC_ON_ABORT) 1114 panic("shutdown does an abort"); 1115#endif 1116 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 1117 sctp_abort_an_association(stcb->sctp_ep, stcb, 1118 SCTP_RESPONSE_TO_USER_REQ, 1119 op_err, SCTP_SO_LOCKED); 1120 goto skip_unlock; 1121 } else { 1122 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 1123 } 1124 } 1125 SCTP_TCB_UNLOCK(stcb); 1126 } 1127skip_unlock: 1128 SCTP_INP_RUNLOCK(inp); 1129 return 0; 1130} 1131 1132/* 1133 * copies a "user" presentable address and removes embedded scope, etc. 1134 * returns 0 on success, 1 on error 1135 */ 1136static uint32_t 1137sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 1138{ 1139#ifdef INET6 1140 struct sockaddr_in6 lsa6; 1141 1142 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 1143 &lsa6); 1144#endif 1145 memcpy(ss, sa, sa->sa_len); 1146 return (0); 1147} 1148 1149 1150 1151/* 1152 * NOTE: assumes addr lock is held 1153 */ 1154static size_t 1155sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1156 struct sctp_tcb *stcb, 1157 size_t limit, 1158 struct sockaddr_storage *sas, 1159 uint32_t vrf_id) 1160{ 1161 struct sctp_ifn *sctp_ifn; 1162 struct sctp_ifa *sctp_ifa; 1163 int loopback_scope, ipv4_local_scope, local_scope, site_scope; 1164 size_t actual; 1165 int ipv4_addr_legal, ipv6_addr_legal; 1166 struct sctp_vrf *vrf; 1167 1168 actual = 0; 1169 if (limit <= 0) 1170 return (actual); 1171 1172 if (stcb) { 1173 /* Turn on all the appropriate scope */ 1174 loopback_scope = stcb->asoc.loopback_scope; 1175 ipv4_local_scope = stcb->asoc.ipv4_local_scope; 1176 local_scope = stcb->asoc.local_scope; 1177 site_scope = stcb->asoc.site_scope; 1178 } else { 1179 /* Turn on ALL scope, since we look at the EP */ 1180 loopback_scope = ipv4_local_scope = local_scope = 1181 site_scope = 1; 1182 } 1183 ipv4_addr_legal = ipv6_addr_legal = 0; 1184 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1185 ipv6_addr_legal = 1; 1186 if (SCTP_IPV6_V6ONLY(inp) == 0) { 1187 ipv4_addr_legal = 1; 1188 } 1189 } else { 1190 ipv4_addr_legal = 1; 1191 } 1192 vrf = sctp_find_vrf(vrf_id); 1193 if (vrf == NULL) { 1194 return (0); 1195 } 1196 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1197 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1198 if ((loopback_scope == 0) && 1199 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1200 /* Skip loopback if loopback_scope not set */ 1201 continue; 1202 } 1203 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1204 if (stcb) { 1205 /* 1206 * For the BOUND-ALL case, the list 1207 * associated with a TCB is Always 1208 * considered a reverse list.. i.e. 1209 * it lists addresses that are NOT 1210 * part of the association. If this 1211 * is one of those we must skip it. 1212 */ 1213 if (sctp_is_addr_restricted(stcb, 1214 sctp_ifa)) { 1215 continue; 1216 } 1217 } 1218 switch (sctp_ifa->address.sa.sa_family) { 1219#ifdef INET 1220 case AF_INET: 1221 if (ipv4_addr_legal) { 1222 struct sockaddr_in *sin; 1223 1224 sin = (struct sockaddr_in *)&sctp_ifa->address.sa; 1225 if (sin->sin_addr.s_addr == 0) { 1226 /* 1227 * we skip 1228 * unspecifed 1229 * addresses 1230 */ 1231 continue; 1232 } 1233 if ((ipv4_local_scope == 0) && 1234 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1235 continue; 1236 } 1237#ifdef INET6 1238 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1239 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1240 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1241 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1242 actual += sizeof(struct sockaddr_in6); 1243 } else { 1244#endif 1245 memcpy(sas, sin, sizeof(*sin)); 1246 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1247 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin)); 1248 actual += sizeof(*sin); 1249#ifdef INET6 1250 } 1251#endif 1252 if (actual >= limit) { 1253 return (actual); 1254 } 1255 } else { 1256 continue; 1257 } 1258 break; 1259#endif 1260#ifdef INET6 1261 case AF_INET6: 1262 if (ipv6_addr_legal) { 1263 struct sockaddr_in6 *sin6; 1264 1265 sin6 = (struct sockaddr_in6 *)&sctp_ifa->address.sa; 1266 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1267 /* 1268 * we skip 1269 * unspecifed 1270 * addresses 1271 */ 1272 continue; 1273 } 1274 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1275 if (local_scope == 0) 1276 continue; 1277 if (sin6->sin6_scope_id == 0) { 1278 if (sa6_recoverscope(sin6) != 0) 1279 /* 1280 * 1281 * bad 1282 * 1283 * li 1284 * nk 1285 * 1286 * loc 1287 * al 1288 * 1289 * add 1290 * re 1291 * ss 1292 * */ 1293 continue; 1294 } 1295 } 1296 if ((site_scope == 0) && 1297 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1298 continue; 1299 } 1300 memcpy(sas, sin6, sizeof(*sin6)); 1301 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1302 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6)); 1303 actual += sizeof(*sin6); 1304 if (actual >= limit) { 1305 return (actual); 1306 } 1307 } else { 1308 continue; 1309 } 1310 break; 1311#endif 1312 default: 1313 /* TSNH */ 1314 break; 1315 } 1316 } 1317 } 1318 } else { 1319 struct sctp_laddr *laddr; 1320 1321 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1322 if (stcb) { 1323 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1324 continue; 1325 } 1326 } 1327 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1328 continue; 1329 1330 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1331 sas = (struct sockaddr_storage *)((caddr_t)sas + 1332 laddr->ifa->address.sa.sa_len); 1333 actual += laddr->ifa->address.sa.sa_len; 1334 if (actual >= limit) { 1335 return (actual); 1336 } 1337 } 1338 } 1339 return (actual); 1340} 1341 1342static size_t 1343sctp_fill_up_addresses(struct sctp_inpcb *inp, 1344 struct sctp_tcb *stcb, 1345 size_t limit, 1346 struct sockaddr_storage *sas) 1347{ 1348 size_t size = 0; 1349 1350 SCTP_IPI_ADDR_RLOCK(); 1351 /* fill up addresses for the endpoint's default vrf */ 1352 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1353 inp->def_vrf_id); 1354 SCTP_IPI_ADDR_RUNLOCK(); 1355 return (size); 1356} 1357 1358/* 1359 * NOTE: assumes addr lock is held 1360 */ 1361static int 1362sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1363{ 1364 int cnt = 0; 1365 struct sctp_vrf *vrf = NULL; 1366 1367 /* 1368 * In both sub-set bound an bound_all cases we return the MAXIMUM 1369 * number of addresses that you COULD get. In reality the sub-set 1370 * bound may have an exclusion list for a given TCB OR in the 1371 * bound-all case a TCB may NOT include the loopback or other 1372 * addresses as well. 1373 */ 1374 vrf = sctp_find_vrf(vrf_id); 1375 if (vrf == NULL) { 1376 return (0); 1377 } 1378 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1379 struct sctp_ifn *sctp_ifn; 1380 struct sctp_ifa *sctp_ifa; 1381 1382 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1383 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1384 /* Count them if they are the right type */ 1385 switch (sctp_ifa->address.sa.sa_family) { 1386#ifdef INET 1387 case AF_INET: 1388 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1389 cnt += sizeof(struct sockaddr_in6); 1390 else 1391 cnt += sizeof(struct sockaddr_in); 1392 break; 1393#endif 1394#ifdef INET6 1395 case AF_INET6: 1396 cnt += sizeof(struct sockaddr_in6); 1397 break; 1398#endif 1399 default: 1400 break; 1401 } 1402 } 1403 } 1404 } else { 1405 struct sctp_laddr *laddr; 1406 1407 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1408 switch (laddr->ifa->address.sa.sa_family) { 1409#ifdef INET 1410 case AF_INET: 1411 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1412 cnt += sizeof(struct sockaddr_in6); 1413 else 1414 cnt += sizeof(struct sockaddr_in); 1415 break; 1416#endif 1417#ifdef INET6 1418 case AF_INET6: 1419 cnt += sizeof(struct sockaddr_in6); 1420 break; 1421#endif 1422 default: 1423 break; 1424 } 1425 } 1426 } 1427 return (cnt); 1428} 1429 1430static int 1431sctp_count_max_addresses(struct sctp_inpcb *inp) 1432{ 1433 int cnt = 0; 1434 1435 SCTP_IPI_ADDR_RLOCK(); 1436 /* count addresses for the endpoint's default VRF */ 1437 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1438 SCTP_IPI_ADDR_RUNLOCK(); 1439 return (cnt); 1440} 1441 1442static int 1443sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1444 size_t optsize, void *p, int delay) 1445{ 1446 int error = 0; 1447 int creat_lock_on = 0; 1448 struct sctp_tcb *stcb = NULL; 1449 struct sockaddr *sa; 1450 int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1451 uint32_t vrf_id; 1452 int bad_addresses = 0; 1453 sctp_assoc_t *a_id; 1454 1455 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1456 1457 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1458 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1459 /* We are already connected AND the TCP model */ 1460 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1461 return (EADDRINUSE); 1462 } 1463 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1464 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1465 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1466 return (EINVAL); 1467 } 1468 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1469 SCTP_INP_RLOCK(inp); 1470 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1471 SCTP_INP_RUNLOCK(inp); 1472 } 1473 if (stcb) { 1474 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1475 return (EALREADY); 1476 } 1477 SCTP_INP_INCR_REF(inp); 1478 SCTP_ASOC_CREATE_LOCK(inp); 1479 creat_lock_on = 1; 1480 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1481 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1482 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1483 error = EFAULT; 1484 goto out_now; 1485 } 1486 totaddrp = (int *)optval; 1487 totaddr = *totaddrp; 1488 sa = (struct sockaddr *)(totaddrp + 1); 1489 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (optsize - sizeof(int)), &bad_addresses); 1490 if ((stcb != NULL) || bad_addresses) { 1491 /* Already have or am bring up an association */ 1492 SCTP_ASOC_CREATE_UNLOCK(inp); 1493 creat_lock_on = 0; 1494 if (stcb) 1495 SCTP_TCB_UNLOCK(stcb); 1496 if (bad_addresses == 0) { 1497 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1498 error = EALREADY; 1499 } 1500 goto out_now; 1501 } 1502#ifdef INET6 1503 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1504 (num_v6 > 0)) { 1505 error = EINVAL; 1506 goto out_now; 1507 } 1508 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1509 (num_v4 > 0)) { 1510 struct in6pcb *inp6; 1511 1512 inp6 = (struct in6pcb *)inp; 1513 if (SCTP_IPV6_V6ONLY(inp6)) { 1514 /* 1515 * if IPV6_V6ONLY flag, ignore connections destined 1516 * to a v4 addr or v4-mapped addr 1517 */ 1518 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1519 error = EINVAL; 1520 goto out_now; 1521 } 1522 } 1523#endif /* INET6 */ 1524 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1525 SCTP_PCB_FLAGS_UNBOUND) { 1526 /* Bind a ephemeral port */ 1527 error = sctp_inpcb_bind(so, NULL, NULL, p); 1528 if (error) { 1529 goto out_now; 1530 } 1531 } 1532 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1533 vrf_id = inp->def_vrf_id; 1534 1535 1536 /* We are GOOD to go */ 1537 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1538 (struct thread *)p 1539 ); 1540 if (stcb == NULL) { 1541 /* Gak! no memory */ 1542 goto out_now; 1543 } 1544 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1545 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1546 /* Set the connected flag so we can queue data */ 1547 soisconnecting(so); 1548 } 1549 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 1550 /* move to second address */ 1551 switch (sa->sa_family) { 1552#ifdef INET 1553 case AF_INET: 1554 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1555 break; 1556#endif 1557#ifdef INET6 1558 case AF_INET6: 1559 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1560 break; 1561#endif 1562 default: 1563 break; 1564 } 1565 1566 error = 0; 1567 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1568 /* Fill in the return id */ 1569 if (error) { 1570 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6); 1571 goto out_now; 1572 } 1573 a_id = (sctp_assoc_t *) optval; 1574 *a_id = sctp_get_associd(stcb); 1575 1576 /* initialize authentication parameters for the assoc */ 1577 sctp_initialize_auth_params(inp, stcb); 1578 1579 if (delay) { 1580 /* doing delayed connection */ 1581 stcb->asoc.delayed_connection = 1; 1582 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1583 } else { 1584 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1585 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1586 } 1587 SCTP_TCB_UNLOCK(stcb); 1588 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1589 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1590 /* Set the connected flag so we can queue data */ 1591 soisconnecting(so); 1592 } 1593out_now: 1594 if (creat_lock_on) { 1595 SCTP_ASOC_CREATE_UNLOCK(inp); 1596 } 1597 SCTP_INP_DECR_REF(inp); 1598 return error; 1599} 1600 1601#define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1602 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1603 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1604 SCTP_INP_RLOCK(inp); \ 1605 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1606 if (stcb) { \ 1607 SCTP_TCB_LOCK(stcb); \ 1608 } \ 1609 SCTP_INP_RUNLOCK(inp); \ 1610 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1611 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1612 if (stcb == NULL) { \ 1613 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1614 error = ENOENT; \ 1615 break; \ 1616 } \ 1617 } else { \ 1618 stcb = NULL; \ 1619 } \ 1620 } 1621 1622 1623#define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1624 if (size < sizeof(type)) { \ 1625 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1626 error = EINVAL; \ 1627 break; \ 1628 } else { \ 1629 destp = (type *)srcp; \ 1630 } \ 1631 } 1632 1633static int 1634sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1635 void *p) 1636{ 1637 struct sctp_inpcb *inp = NULL; 1638 int error, val = 0; 1639 struct sctp_tcb *stcb = NULL; 1640 1641 if (optval == NULL) { 1642 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1643 return (EINVAL); 1644 } 1645 inp = (struct sctp_inpcb *)so->so_pcb; 1646 if (inp == 0) { 1647 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1648 return EINVAL; 1649 } 1650 error = 0; 1651 1652 switch (optname) { 1653 case SCTP_NODELAY: 1654 case SCTP_AUTOCLOSE: 1655 case SCTP_EXPLICIT_EOR: 1656 case SCTP_AUTO_ASCONF: 1657 case SCTP_DISABLE_FRAGMENTS: 1658 case SCTP_I_WANT_MAPPED_V4_ADDR: 1659 case SCTP_USE_EXT_RCVINFO: 1660 SCTP_INP_RLOCK(inp); 1661 switch (optname) { 1662 case SCTP_DISABLE_FRAGMENTS: 1663 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1664 break; 1665 case SCTP_I_WANT_MAPPED_V4_ADDR: 1666 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1667 break; 1668 case SCTP_AUTO_ASCONF: 1669 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1670 /* only valid for bound all sockets */ 1671 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1672 } else { 1673 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1674 error = EINVAL; 1675 goto flags_out; 1676 } 1677 break; 1678 case SCTP_EXPLICIT_EOR: 1679 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1680 break; 1681 case SCTP_NODELAY: 1682 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1683 break; 1684 case SCTP_USE_EXT_RCVINFO: 1685 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1686 break; 1687 case SCTP_AUTOCLOSE: 1688 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1689 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1690 else 1691 val = 0; 1692 break; 1693 1694 default: 1695 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1696 error = ENOPROTOOPT; 1697 } /* end switch (sopt->sopt_name) */ 1698 if (*optsize < sizeof(val)) { 1699 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1700 error = EINVAL; 1701 } 1702flags_out: 1703 SCTP_INP_RUNLOCK(inp); 1704 if (error == 0) { 1705 /* return the option value */ 1706 *(int *)optval = val; 1707 *optsize = sizeof(val); 1708 } 1709 break; 1710 case SCTP_GET_PACKET_LOG: 1711 { 1712#ifdef SCTP_PACKET_LOGGING 1713 uint8_t *target; 1714 int ret; 1715 1716 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1717 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1718 *optsize = ret; 1719#else 1720 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1721 error = EOPNOTSUPP; 1722#endif 1723 break; 1724 } 1725 case SCTP_REUSE_PORT: 1726 { 1727 uint32_t *value; 1728 1729 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1730 /* Can't do this for a 1-m socket */ 1731 error = EINVAL; 1732 break; 1733 } 1734 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1735 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1736 *optsize = sizeof(uint32_t); 1737 break; 1738 } 1739 case SCTP_PARTIAL_DELIVERY_POINT: 1740 { 1741 uint32_t *value; 1742 1743 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1744 *value = inp->partial_delivery_point; 1745 *optsize = sizeof(uint32_t); 1746 break; 1747 } 1748 case SCTP_FRAGMENT_INTERLEAVE: 1749 { 1750 uint32_t *value; 1751 1752 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1753 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1754 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1755 *value = SCTP_FRAG_LEVEL_2; 1756 } else { 1757 *value = SCTP_FRAG_LEVEL_1; 1758 } 1759 } else { 1760 *value = SCTP_FRAG_LEVEL_0; 1761 } 1762 *optsize = sizeof(uint32_t); 1763 break; 1764 } 1765 case SCTP_CMT_ON_OFF: 1766 { 1767 struct sctp_assoc_value *av; 1768 1769 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1770 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1771 if (stcb) { 1772 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1773 SCTP_TCB_UNLOCK(stcb); 1774 } else { 1775 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1776 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1777 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1778 SCTP_INP_RLOCK(inp); 1779 av->assoc_value = inp->sctp_cmt_on_off; 1780 SCTP_INP_RUNLOCK(inp); 1781 } else { 1782 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1783 error = EINVAL; 1784 } 1785 } 1786 if (error == 0) { 1787 *optsize = sizeof(struct sctp_assoc_value); 1788 } 1789 break; 1790 } 1791 case SCTP_PLUGGABLE_CC: 1792 { 1793 struct sctp_assoc_value *av; 1794 1795 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1796 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1797 if (stcb) { 1798 av->assoc_value = stcb->asoc.congestion_control_module; 1799 SCTP_TCB_UNLOCK(stcb); 1800 } else { 1801 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1802 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1803 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1804 SCTP_INP_RLOCK(inp); 1805 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1806 SCTP_INP_RUNLOCK(inp); 1807 } else { 1808 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1809 error = EINVAL; 1810 } 1811 } 1812 if (error == 0) { 1813 *optsize = sizeof(struct sctp_assoc_value); 1814 } 1815 break; 1816 } 1817 case SCTP_CC_OPTION: 1818 { 1819 struct sctp_cc_option *cc_opt; 1820 1821 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1822 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1823 if (stcb == NULL) { 1824 error = EINVAL; 1825 } else { 1826 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1827 error = ENOTSUP; 1828 } else { 1829 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1830 *optsize = sizeof(struct sctp_cc_option); 1831 } 1832 SCTP_TCB_UNLOCK(stcb); 1833 } 1834 break; 1835 } 1836 case SCTP_PLUGGABLE_SS: 1837 { 1838 struct sctp_assoc_value *av; 1839 1840 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1841 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1842 if (stcb) { 1843 av->assoc_value = stcb->asoc.stream_scheduling_module; 1844 SCTP_TCB_UNLOCK(stcb); 1845 } else { 1846 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1847 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1848 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1849 SCTP_INP_RLOCK(inp); 1850 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1851 SCTP_INP_RUNLOCK(inp); 1852 } else { 1853 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1854 error = EINVAL; 1855 } 1856 } 1857 if (error == 0) { 1858 *optsize = sizeof(struct sctp_assoc_value); 1859 } 1860 break; 1861 } 1862 case SCTP_SS_VALUE: 1863 { 1864 struct sctp_stream_value *av; 1865 1866 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1867 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1868 if (stcb) { 1869 if (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1870 &av->stream_value) < 0) { 1871 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1872 error = EINVAL; 1873 } else { 1874 *optsize = sizeof(struct sctp_stream_value); 1875 } 1876 SCTP_TCB_UNLOCK(stcb); 1877 } else { 1878 /* 1879 * Can't get stream value without 1880 * association 1881 */ 1882 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1883 error = EINVAL; 1884 } 1885 break; 1886 } 1887 case SCTP_GET_ADDR_LEN: 1888 { 1889 struct sctp_assoc_value *av; 1890 1891 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1892 error = EINVAL; 1893#ifdef INET 1894 if (av->assoc_value == AF_INET) { 1895 av->assoc_value = sizeof(struct sockaddr_in); 1896 error = 0; 1897 } 1898#endif 1899#ifdef INET6 1900 if (av->assoc_value == AF_INET6) { 1901 av->assoc_value = sizeof(struct sockaddr_in6); 1902 error = 0; 1903 } 1904#endif 1905 if (error) { 1906 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1907 } else { 1908 *optsize = sizeof(struct sctp_assoc_value); 1909 } 1910 break; 1911 } 1912 case SCTP_GET_ASSOC_NUMBER: 1913 { 1914 uint32_t *value, cnt; 1915 1916 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1917 cnt = 0; 1918 SCTP_INP_RLOCK(inp); 1919 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1920 cnt++; 1921 } 1922 SCTP_INP_RUNLOCK(inp); 1923 *value = cnt; 1924 *optsize = sizeof(uint32_t); 1925 break; 1926 } 1927 case SCTP_GET_ASSOC_ID_LIST: 1928 { 1929 struct sctp_assoc_ids *ids; 1930 unsigned int at, limit; 1931 1932 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1933 at = 0; 1934 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1935 SCTP_INP_RLOCK(inp); 1936 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1937 if (at < limit) { 1938 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1939 } else { 1940 error = EINVAL; 1941 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1942 break; 1943 } 1944 } 1945 SCTP_INP_RUNLOCK(inp); 1946 if (error == 0) { 1947 ids->gaids_number_of_ids = at; 1948 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1949 } 1950 break; 1951 } 1952 case SCTP_CONTEXT: 1953 { 1954 struct sctp_assoc_value *av; 1955 1956 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1957 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1958 1959 if (stcb) { 1960 av->assoc_value = stcb->asoc.context; 1961 SCTP_TCB_UNLOCK(stcb); 1962 } else { 1963 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1964 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1965 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1966 SCTP_INP_RLOCK(inp); 1967 av->assoc_value = inp->sctp_context; 1968 SCTP_INP_RUNLOCK(inp); 1969 } else { 1970 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1971 error = EINVAL; 1972 } 1973 } 1974 if (error == 0) { 1975 *optsize = sizeof(struct sctp_assoc_value); 1976 } 1977 break; 1978 } 1979 case SCTP_VRF_ID: 1980 { 1981 uint32_t *default_vrfid; 1982 1983 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1984 *default_vrfid = inp->def_vrf_id; 1985 *optsize = sizeof(uint32_t); 1986 break; 1987 } 1988 case SCTP_GET_ASOC_VRF: 1989 { 1990 struct sctp_assoc_value *id; 1991 1992 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1993 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1994 if (stcb == NULL) { 1995 error = EINVAL; 1996 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1997 } else { 1998 id->assoc_value = stcb->asoc.vrf_id; 1999 *optsize = sizeof(struct sctp_assoc_value); 2000 } 2001 break; 2002 } 2003 case SCTP_GET_VRF_IDS: 2004 { 2005 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 2006 error = EOPNOTSUPP; 2007 break; 2008 } 2009 case SCTP_GET_NONCE_VALUES: 2010 { 2011 struct sctp_get_nonce_values *gnv; 2012 2013 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 2014 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 2015 2016 if (stcb) { 2017 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 2018 gnv->gn_local_tag = stcb->asoc.my_vtag; 2019 SCTP_TCB_UNLOCK(stcb); 2020 *optsize = sizeof(struct sctp_get_nonce_values); 2021 } else { 2022 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2023 error = ENOTCONN; 2024 } 2025 break; 2026 } 2027 case SCTP_DELAYED_SACK: 2028 { 2029 struct sctp_sack_info *sack; 2030 2031 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 2032 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 2033 if (stcb) { 2034 sack->sack_delay = stcb->asoc.delayed_ack; 2035 sack->sack_freq = stcb->asoc.sack_freq; 2036 SCTP_TCB_UNLOCK(stcb); 2037 } else { 2038 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2039 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2040 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) { 2041 SCTP_INP_RLOCK(inp); 2042 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2043 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2044 SCTP_INP_RUNLOCK(inp); 2045 } else { 2046 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2047 error = EINVAL; 2048 } 2049 } 2050 if (error == 0) { 2051 *optsize = sizeof(struct sctp_sack_info); 2052 } 2053 break; 2054 } 2055 case SCTP_GET_SNDBUF_USE: 2056 { 2057 struct sctp_sockstat *ss; 2058 2059 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2060 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2061 2062 if (stcb) { 2063 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2064 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2065 stcb->asoc.size_on_all_streams); 2066 SCTP_TCB_UNLOCK(stcb); 2067 *optsize = sizeof(struct sctp_sockstat); 2068 } else { 2069 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2070 error = ENOTCONN; 2071 } 2072 break; 2073 } 2074 case SCTP_MAX_BURST: 2075 { 2076 struct sctp_assoc_value *av; 2077 2078 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2079 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2080 2081 if (stcb) { 2082 av->assoc_value = stcb->asoc.max_burst; 2083 SCTP_TCB_UNLOCK(stcb); 2084 } else { 2085 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2086 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2087 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2088 SCTP_INP_RLOCK(inp); 2089 av->assoc_value = inp->sctp_ep.max_burst; 2090 SCTP_INP_RUNLOCK(inp); 2091 } else { 2092 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2093 error = EINVAL; 2094 } 2095 } 2096 if (error == 0) { 2097 *optsize = sizeof(struct sctp_assoc_value); 2098 } 2099 break; 2100 } 2101 case SCTP_MAXSEG: 2102 { 2103 struct sctp_assoc_value *av; 2104 int ovh; 2105 2106 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2107 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2108 2109 if (stcb) { 2110 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2111 SCTP_TCB_UNLOCK(stcb); 2112 } else { 2113 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2114 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2115 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2116 SCTP_INP_RLOCK(inp); 2117 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2118 ovh = SCTP_MED_OVERHEAD; 2119 } else { 2120 ovh = SCTP_MED_V4_OVERHEAD; 2121 } 2122 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2123 av->assoc_value = 0; 2124 else 2125 av->assoc_value = inp->sctp_frag_point - ovh; 2126 SCTP_INP_RUNLOCK(inp); 2127 } else { 2128 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2129 error = EINVAL; 2130 } 2131 } 2132 if (error == 0) { 2133 *optsize = sizeof(struct sctp_assoc_value); 2134 } 2135 break; 2136 } 2137 case SCTP_GET_STAT_LOG: 2138 error = sctp_fill_stat_log(optval, optsize); 2139 break; 2140 case SCTP_EVENTS: 2141 { 2142 struct sctp_event_subscribe *events; 2143 2144 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2145 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2146 SCTP_INP_RLOCK(inp); 2147 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2148 events->sctp_data_io_event = 1; 2149 2150 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2151 events->sctp_association_event = 1; 2152 2153 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2154 events->sctp_address_event = 1; 2155 2156 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2157 events->sctp_send_failure_event = 1; 2158 2159 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2160 events->sctp_peer_error_event = 1; 2161 2162 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2163 events->sctp_shutdown_event = 1; 2164 2165 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2166 events->sctp_partial_delivery_event = 1; 2167 2168 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2169 events->sctp_adaptation_layer_event = 1; 2170 2171 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2172 events->sctp_authentication_event = 1; 2173 2174 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2175 events->sctp_sender_dry_event = 1; 2176 2177 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2178 events->sctp_stream_reset_event = 1; 2179 SCTP_INP_RUNLOCK(inp); 2180 *optsize = sizeof(struct sctp_event_subscribe); 2181 break; 2182 } 2183 case SCTP_ADAPTATION_LAYER: 2184 { 2185 uint32_t *value; 2186 2187 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2188 2189 SCTP_INP_RLOCK(inp); 2190 *value = inp->sctp_ep.adaptation_layer_indicator; 2191 SCTP_INP_RUNLOCK(inp); 2192 *optsize = sizeof(uint32_t); 2193 break; 2194 } 2195 case SCTP_SET_INITIAL_DBG_SEQ: 2196 { 2197 uint32_t *value; 2198 2199 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2200 SCTP_INP_RLOCK(inp); 2201 *value = inp->sctp_ep.initial_sequence_debug; 2202 SCTP_INP_RUNLOCK(inp); 2203 *optsize = sizeof(uint32_t); 2204 break; 2205 } 2206 case SCTP_GET_LOCAL_ADDR_SIZE: 2207 { 2208 uint32_t *value; 2209 2210 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2211 SCTP_INP_RLOCK(inp); 2212 *value = sctp_count_max_addresses(inp); 2213 SCTP_INP_RUNLOCK(inp); 2214 *optsize = sizeof(uint32_t); 2215 break; 2216 } 2217 case SCTP_GET_REMOTE_ADDR_SIZE: 2218 { 2219 uint32_t *value; 2220 size_t size; 2221 struct sctp_nets *net; 2222 2223 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2224 /* FIXME MT: change to sctp_assoc_value? */ 2225 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 2226 2227 if (stcb) { 2228 size = 0; 2229 /* Count the sizes */ 2230 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2231 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2232 size += sizeof(struct sockaddr_in6); 2233 } else { 2234 switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) { 2235#ifdef INET 2236 case AF_INET: 2237 size += sizeof(struct sockaddr_in); 2238 break; 2239#endif 2240#ifdef INET6 2241 case AF_INET6: 2242 size += sizeof(struct sockaddr_in6); 2243 break; 2244#endif 2245 default: 2246 break; 2247 } 2248 } 2249 } 2250 SCTP_TCB_UNLOCK(stcb); 2251 *value = (uint32_t) size; 2252 *optsize = sizeof(uint32_t); 2253 } else { 2254 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2255 error = ENOTCONN; 2256 } 2257 break; 2258 } 2259 case SCTP_GET_PEER_ADDRESSES: 2260 /* 2261 * Get the address information, an array is passed in to 2262 * fill up we pack it. 2263 */ 2264 { 2265 size_t cpsz, left; 2266 struct sockaddr_storage *sas; 2267 struct sctp_nets *net; 2268 struct sctp_getaddresses *saddr; 2269 2270 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2271 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2272 2273 if (stcb) { 2274 left = (*optsize) - sizeof(struct sctp_getaddresses); 2275 *optsize = sizeof(struct sctp_getaddresses); 2276 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2277 2278 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2279 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2280 cpsz = sizeof(struct sockaddr_in6); 2281 } else { 2282 switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) { 2283#ifdef INET 2284 case AF_INET: 2285 cpsz = sizeof(struct sockaddr_in); 2286 break; 2287#endif 2288#ifdef INET6 2289 case AF_INET6: 2290 cpsz = sizeof(struct sockaddr_in6); 2291 break; 2292#endif 2293 default: 2294 cpsz = 0; 2295 break; 2296 } 2297 } 2298 if (cpsz == 0) { 2299 break; 2300 } 2301 if (left < cpsz) { 2302 /* not enough room. */ 2303 break; 2304 } 2305#if defined(INET) && defined(INET6) 2306 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2307 (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET)) { 2308 /* Must map the address */ 2309 in6_sin_2_v4mapsin6((struct sockaddr_in *)&net->ro._l_addr, 2310 (struct sockaddr_in6 *)sas); 2311 } else { 2312#endif 2313 memcpy(sas, &net->ro._l_addr, cpsz); 2314#if defined(INET) && defined(INET6) 2315 } 2316#endif 2317 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2318 2319 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2320 left -= cpsz; 2321 *optsize += cpsz; 2322 } 2323 SCTP_TCB_UNLOCK(stcb); 2324 } else { 2325 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2326 error = ENOENT; 2327 } 2328 break; 2329 } 2330 case SCTP_GET_LOCAL_ADDRESSES: 2331 { 2332 size_t limit, actual; 2333 struct sockaddr_storage *sas; 2334 struct sctp_getaddresses *saddr; 2335 2336 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2337 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2338 2339 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2340 limit = *optsize - sizeof(sctp_assoc_t); 2341 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2342 if (stcb) { 2343 SCTP_TCB_UNLOCK(stcb); 2344 } 2345 *optsize = sizeof(struct sockaddr_storage) + actual; 2346 break; 2347 } 2348 case SCTP_PEER_ADDR_PARAMS: 2349 { 2350 struct sctp_paddrparams *paddrp; 2351 struct sctp_nets *net; 2352 2353 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2354 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2355 2356 net = NULL; 2357 if (stcb) { 2358 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 2359 } else { 2360 /* 2361 * We increment here since 2362 * sctp_findassociation_ep_addr() wil do a 2363 * decrement if it finds the stcb as long as 2364 * the locked tcb (last argument) is NOT a 2365 * TCB.. aka NULL. 2366 */ 2367 SCTP_INP_INCR_REF(inp); 2368 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddrp->spp_address, &net, NULL, NULL); 2369 if (stcb == NULL) { 2370 SCTP_INP_DECR_REF(inp); 2371 } 2372 } 2373 if (stcb && (net == NULL)) { 2374 struct sockaddr *sa; 2375 2376 sa = (struct sockaddr *)&paddrp->spp_address; 2377#ifdef INET 2378 if (sa->sa_family == AF_INET) { 2379 struct sockaddr_in *sin; 2380 2381 sin = (struct sockaddr_in *)sa; 2382 if (sin->sin_addr.s_addr) { 2383 error = EINVAL; 2384 SCTP_TCB_UNLOCK(stcb); 2385 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2386 break; 2387 } 2388 } else 2389#endif 2390#ifdef INET6 2391 if (sa->sa_family == AF_INET6) { 2392 struct sockaddr_in6 *sin6; 2393 2394 sin6 = (struct sockaddr_in6 *)sa; 2395 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2396 error = EINVAL; 2397 SCTP_TCB_UNLOCK(stcb); 2398 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2399 break; 2400 } 2401 } else 2402#endif 2403 { 2404 error = EAFNOSUPPORT; 2405 SCTP_TCB_UNLOCK(stcb); 2406 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2407 break; 2408 } 2409 } 2410 if (stcb) { 2411 /* Applies to the specific association */ 2412 paddrp->spp_flags = 0; 2413 if (net) { 2414 int ovh; 2415 2416 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2417 ovh = SCTP_MED_OVERHEAD; 2418 } else { 2419 ovh = SCTP_MED_V4_OVERHEAD; 2420 } 2421 2422 paddrp->spp_hbinterval = net->heart_beat_delay; 2423 paddrp->spp_pathmaxrxt = net->failure_threshold; 2424 paddrp->spp_pathmtu = net->mtu - ovh; 2425 /* get flags for HB */ 2426 if (net->dest_state & SCTP_ADDR_NOHB) { 2427 paddrp->spp_flags |= SPP_HB_DISABLE; 2428 } else { 2429 paddrp->spp_flags |= SPP_HB_ENABLE; 2430 } 2431 /* get flags for PMTU */ 2432 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2433 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2434 } else { 2435 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2436 } 2437 if (net->dscp & 0x01) { 2438 paddrp->spp_dscp = net->dscp & 0xfc; 2439 paddrp->spp_flags |= SPP_DSCP; 2440 } 2441#ifdef INET6 2442 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2443 (net->flowlabel & 0x80000000)) { 2444 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2445 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2446 } 2447#endif 2448 } else { 2449 /* 2450 * No destination so return default 2451 * value 2452 */ 2453 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2454 paddrp->spp_pathmtu = sctp_get_frag_point(stcb, &stcb->asoc); 2455 if (stcb->asoc.default_dscp & 0x01) { 2456 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2457 paddrp->spp_flags |= SPP_DSCP; 2458 } 2459#ifdef INET6 2460 if (stcb->asoc.default_flowlabel & 0x80000000) { 2461 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2462 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2463 } 2464#endif 2465 /* default settings should be these */ 2466 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2467 paddrp->spp_flags |= SPP_HB_DISABLE; 2468 } else { 2469 paddrp->spp_flags |= SPP_HB_ENABLE; 2470 } 2471 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2472 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2473 } else { 2474 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2475 } 2476 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2477 } 2478 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2479 SCTP_TCB_UNLOCK(stcb); 2480 } else { 2481 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2482 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2483 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 2484 /* Use endpoint defaults */ 2485 SCTP_INP_RLOCK(inp); 2486 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2487 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2488 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2489 /* get inp's default */ 2490 if (inp->sctp_ep.default_dscp & 0x01) { 2491 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2492 paddrp->spp_flags |= SPP_DSCP; 2493 } 2494#ifdef INET6 2495 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2496 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2497 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2498 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2499 } 2500#endif 2501 /* can't return this */ 2502 paddrp->spp_pathmtu = 0; 2503 2504 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2505 paddrp->spp_flags |= SPP_HB_ENABLE; 2506 } else { 2507 paddrp->spp_flags |= SPP_HB_DISABLE; 2508 } 2509 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2510 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2511 } else { 2512 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2513 } 2514 SCTP_INP_RUNLOCK(inp); 2515 } else { 2516 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2517 error = EINVAL; 2518 } 2519 } 2520 if (error == 0) { 2521 *optsize = sizeof(struct sctp_paddrparams); 2522 } 2523 break; 2524 } 2525 case SCTP_GET_PEER_ADDR_INFO: 2526 { 2527 struct sctp_paddrinfo *paddri; 2528 struct sctp_nets *net; 2529 2530 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2531 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2532 2533 net = NULL; 2534 if (stcb) { 2535 net = sctp_findnet(stcb, (struct sockaddr *)&paddri->spinfo_address); 2536 } else { 2537 /* 2538 * We increment here since 2539 * sctp_findassociation_ep_addr() wil do a 2540 * decrement if it finds the stcb as long as 2541 * the locked tcb (last argument) is NOT a 2542 * TCB.. aka NULL. 2543 */ 2544 SCTP_INP_INCR_REF(inp); 2545 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddri->spinfo_address, &net, NULL, NULL); 2546 if (stcb == NULL) { 2547 SCTP_INP_DECR_REF(inp); 2548 } 2549 } 2550 2551 if ((stcb) && (net)) { 2552 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2553 /* It's unconfirmed */ 2554 paddri->spinfo_state = SCTP_UNCONFIRMED; 2555 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2556 /* It's active */ 2557 paddri->spinfo_state = SCTP_ACTIVE; 2558 } else { 2559 /* It's inactive */ 2560 paddri->spinfo_state = SCTP_INACTIVE; 2561 } 2562 paddri->spinfo_cwnd = net->cwnd; 2563 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2564 paddri->spinfo_rto = net->RTO; 2565 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2566 paddri->spinfo_mtu = net->mtu; 2567 SCTP_TCB_UNLOCK(stcb); 2568 *optsize = sizeof(struct sctp_paddrinfo); 2569 } else { 2570 if (stcb) { 2571 SCTP_TCB_UNLOCK(stcb); 2572 } 2573 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2574 error = ENOENT; 2575 } 2576 break; 2577 } 2578 case SCTP_PCB_STATUS: 2579 { 2580 struct sctp_pcbinfo *spcb; 2581 2582 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2583 sctp_fill_pcbinfo(spcb); 2584 *optsize = sizeof(struct sctp_pcbinfo); 2585 break; 2586 } 2587 case SCTP_STATUS: 2588 { 2589 struct sctp_nets *net; 2590 struct sctp_status *sstat; 2591 2592 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2593 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2594 2595 if (stcb == NULL) { 2596 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2597 error = EINVAL; 2598 break; 2599 } 2600 /* 2601 * I think passing the state is fine since 2602 * sctp_constants.h will be available to the user 2603 * land. 2604 */ 2605 sstat->sstat_state = stcb->asoc.state; 2606 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2607 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2608 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2609 /* 2610 * We can't include chunks that have been passed to 2611 * the socket layer. Only things in queue. 2612 */ 2613 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2614 stcb->asoc.cnt_on_all_streams); 2615 2616 2617 sstat->sstat_instrms = stcb->asoc.streamincnt; 2618 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2619 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2620 memcpy(&sstat->sstat_primary.spinfo_address, 2621 &stcb->asoc.primary_destination->ro._l_addr, 2622 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2623 net = stcb->asoc.primary_destination; 2624 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2625 /* 2626 * Again the user can get info from sctp_constants.h 2627 * for what the state of the network is. 2628 */ 2629 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2630 /* It's unconfirmed */ 2631 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2632 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2633 /* It's active */ 2634 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2635 } else { 2636 /* It's inactive */ 2637 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2638 } 2639 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2640 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2641 sstat->sstat_primary.spinfo_rto = net->RTO; 2642 sstat->sstat_primary.spinfo_mtu = net->mtu; 2643 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2644 SCTP_TCB_UNLOCK(stcb); 2645 *optsize = sizeof(struct sctp_status); 2646 break; 2647 } 2648 case SCTP_RTOINFO: 2649 { 2650 struct sctp_rtoinfo *srto; 2651 2652 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2653 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2654 2655 if (stcb) { 2656 srto->srto_initial = stcb->asoc.initial_rto; 2657 srto->srto_max = stcb->asoc.maxrto; 2658 srto->srto_min = stcb->asoc.minrto; 2659 SCTP_TCB_UNLOCK(stcb); 2660 } else { 2661 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2662 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2663 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2664 SCTP_INP_RLOCK(inp); 2665 srto->srto_initial = inp->sctp_ep.initial_rto; 2666 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2667 srto->srto_min = inp->sctp_ep.sctp_minrto; 2668 SCTP_INP_RUNLOCK(inp); 2669 } else { 2670 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2671 error = EINVAL; 2672 } 2673 } 2674 if (error == 0) { 2675 *optsize = sizeof(struct sctp_rtoinfo); 2676 } 2677 break; 2678 } 2679 case SCTP_TIMEOUTS: 2680 { 2681 struct sctp_timeouts *stimo; 2682 2683 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2684 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2685 2686 if (stcb) { 2687 stimo->stimo_init = stcb->asoc.timoinit; 2688 stimo->stimo_data = stcb->asoc.timodata; 2689 stimo->stimo_sack = stcb->asoc.timosack; 2690 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2691 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2692 stimo->stimo_cookie = stcb->asoc.timocookie; 2693 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2694 SCTP_TCB_UNLOCK(stcb); 2695 *optsize = sizeof(struct sctp_timeouts); 2696 } else { 2697 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2698 error = EINVAL; 2699 } 2700 break; 2701 } 2702 case SCTP_ASSOCINFO: 2703 { 2704 struct sctp_assocparams *sasoc; 2705 2706 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2707 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2708 2709 if (stcb) { 2710 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2711 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2712 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2713 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2714 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2715 SCTP_TCB_UNLOCK(stcb); 2716 } else { 2717 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2718 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2719 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2720 SCTP_INP_RLOCK(inp); 2721 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2722 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2723 sasoc->sasoc_number_peer_destinations = 0; 2724 sasoc->sasoc_peer_rwnd = 0; 2725 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2726 SCTP_INP_RUNLOCK(inp); 2727 } else { 2728 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2729 error = EINVAL; 2730 } 2731 } 2732 if (error == 0) { 2733 *optsize = sizeof(struct sctp_assocparams); 2734 } 2735 break; 2736 } 2737 case SCTP_DEFAULT_SEND_PARAM: 2738 { 2739 struct sctp_sndrcvinfo *s_info; 2740 2741 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2742 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2743 2744 if (stcb) { 2745 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2746 SCTP_TCB_UNLOCK(stcb); 2747 } else { 2748 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2749 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2750 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2751 SCTP_INP_RLOCK(inp); 2752 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2753 SCTP_INP_RUNLOCK(inp); 2754 } else { 2755 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2756 error = EINVAL; 2757 } 2758 } 2759 if (error == 0) { 2760 *optsize = sizeof(struct sctp_sndrcvinfo); 2761 } 2762 break; 2763 } 2764 case SCTP_INITMSG: 2765 { 2766 struct sctp_initmsg *sinit; 2767 2768 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2769 SCTP_INP_RLOCK(inp); 2770 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2771 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2772 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2773 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2774 SCTP_INP_RUNLOCK(inp); 2775 *optsize = sizeof(struct sctp_initmsg); 2776 break; 2777 } 2778 case SCTP_PRIMARY_ADDR: 2779 /* we allow a "get" operation on this */ 2780 { 2781 struct sctp_setprim *ssp; 2782 2783 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2784 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2785 2786 if (stcb) { 2787 /* simply copy out the sockaddr_storage... */ 2788 int len; 2789 2790 len = *optsize; 2791 if (len > stcb->asoc.primary_destination->ro._l_addr.sa.sa_len) 2792 len = stcb->asoc.primary_destination->ro._l_addr.sa.sa_len; 2793 2794 memcpy(&ssp->ssp_addr, 2795 &stcb->asoc.primary_destination->ro._l_addr, 2796 len); 2797 SCTP_TCB_UNLOCK(stcb); 2798 *optsize = sizeof(struct sctp_setprim); 2799 } else { 2800 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2801 error = EINVAL; 2802 } 2803 break; 2804 } 2805 case SCTP_HMAC_IDENT: 2806 { 2807 struct sctp_hmacalgo *shmac; 2808 sctp_hmaclist_t *hmaclist; 2809 uint32_t size; 2810 int i; 2811 2812 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2813 2814 SCTP_INP_RLOCK(inp); 2815 hmaclist = inp->sctp_ep.local_hmacs; 2816 if (hmaclist == NULL) { 2817 /* no HMACs to return */ 2818 *optsize = sizeof(*shmac); 2819 SCTP_INP_RUNLOCK(inp); 2820 break; 2821 } 2822 /* is there room for all of the hmac ids? */ 2823 size = sizeof(*shmac) + (hmaclist->num_algo * 2824 sizeof(shmac->shmac_idents[0])); 2825 if ((size_t)(*optsize) < size) { 2826 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2827 error = EINVAL; 2828 SCTP_INP_RUNLOCK(inp); 2829 break; 2830 } 2831 /* copy in the list */ 2832 shmac->shmac_number_of_idents = hmaclist->num_algo; 2833 for (i = 0; i < hmaclist->num_algo; i++) { 2834 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2835 } 2836 SCTP_INP_RUNLOCK(inp); 2837 *optsize = size; 2838 break; 2839 } 2840 case SCTP_AUTH_ACTIVE_KEY: 2841 { 2842 struct sctp_authkeyid *scact; 2843 2844 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2845 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2846 2847 if (stcb) { 2848 /* get the active key on the assoc */ 2849 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2850 SCTP_TCB_UNLOCK(stcb); 2851 } else { 2852 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2853 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2854 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2855 /* get the endpoint active key */ 2856 SCTP_INP_RLOCK(inp); 2857 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2858 SCTP_INP_RUNLOCK(inp); 2859 } else { 2860 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2861 error = EINVAL; 2862 } 2863 } 2864 if (error == 0) { 2865 *optsize = sizeof(struct sctp_authkeyid); 2866 } 2867 break; 2868 } 2869 case SCTP_LOCAL_AUTH_CHUNKS: 2870 { 2871 struct sctp_authchunks *sac; 2872 sctp_auth_chklist_t *chklist = NULL; 2873 size_t size = 0; 2874 2875 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2876 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2877 2878 if (stcb) { 2879 /* get off the assoc */ 2880 chklist = stcb->asoc.local_auth_chunks; 2881 /* is there enough space? */ 2882 size = sctp_auth_get_chklist_size(chklist); 2883 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2884 error = EINVAL; 2885 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2886 } else { 2887 /* copy in the chunks */ 2888 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2889 *optsize = sizeof(struct sctp_authchunks) + size; 2890 } 2891 SCTP_TCB_UNLOCK(stcb); 2892 } else { 2893 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2894 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2895 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 2896 /* get off the endpoint */ 2897 SCTP_INP_RLOCK(inp); 2898 chklist = inp->sctp_ep.local_auth_chunks; 2899 /* is there enough space? */ 2900 size = sctp_auth_get_chklist_size(chklist); 2901 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2902 error = EINVAL; 2903 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2904 } else { 2905 /* copy in the chunks */ 2906 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2907 *optsize = sizeof(struct sctp_authchunks) + size; 2908 } 2909 SCTP_INP_RUNLOCK(inp); 2910 } else { 2911 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2912 error = EINVAL; 2913 } 2914 } 2915 break; 2916 } 2917 case SCTP_PEER_AUTH_CHUNKS: 2918 { 2919 struct sctp_authchunks *sac; 2920 sctp_auth_chklist_t *chklist = NULL; 2921 size_t size = 0; 2922 2923 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2924 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2925 2926 if (stcb) { 2927 /* get off the assoc */ 2928 chklist = stcb->asoc.peer_auth_chunks; 2929 /* is there enough space? */ 2930 size = sctp_auth_get_chklist_size(chklist); 2931 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2932 error = EINVAL; 2933 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2934 } else { 2935 /* copy in the chunks */ 2936 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2937 *optsize = sizeof(struct sctp_authchunks) + size; 2938 } 2939 SCTP_TCB_UNLOCK(stcb); 2940 } else { 2941 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2942 error = ENOENT; 2943 } 2944 break; 2945 } 2946 case SCTP_EVENT: 2947 { 2948 struct sctp_event *event; 2949 uint32_t event_type; 2950 2951 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 2952 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 2953 2954 switch (event->se_type) { 2955 case SCTP_ASSOC_CHANGE: 2956 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 2957 break; 2958 case SCTP_PEER_ADDR_CHANGE: 2959 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 2960 break; 2961 case SCTP_REMOTE_ERROR: 2962 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 2963 break; 2964 case SCTP_SEND_FAILED: 2965 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 2966 break; 2967 case SCTP_SHUTDOWN_EVENT: 2968 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 2969 break; 2970 case SCTP_ADAPTATION_INDICATION: 2971 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 2972 break; 2973 case SCTP_PARTIAL_DELIVERY_EVENT: 2974 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 2975 break; 2976 case SCTP_AUTHENTICATION_EVENT: 2977 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 2978 break; 2979 case SCTP_STREAM_RESET_EVENT: 2980 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 2981 break; 2982 case SCTP_SENDER_DRY_EVENT: 2983 event_type = SCTP_PCB_FLAGS_DRYEVNT; 2984 break; 2985 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 2986 event_type = 0; 2987 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 2988 error = ENOTSUP; 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_RUNLOCK(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_RUNLOCK(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_paddrparams); 3294 } 3295 break; 3296 } 3297 default: 3298 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3299 error = ENOPROTOOPT; 3300 break; 3301 } /* end switch (sopt->sopt_name) */ 3302 if (error) { 3303 *optsize = 0; 3304 } 3305 return (error); 3306} 3307 3308static int 3309sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3310 void *p) 3311{ 3312 int error, set_opt; 3313 uint32_t *mopt; 3314 struct sctp_tcb *stcb = NULL; 3315 struct sctp_inpcb *inp = NULL; 3316 uint32_t vrf_id; 3317 3318 if (optval == NULL) { 3319 SCTP_PRINTF("optval is NULL\n"); 3320 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3321 return (EINVAL); 3322 } 3323 inp = (struct sctp_inpcb *)so->so_pcb; 3324 if (inp == 0) { 3325 SCTP_PRINTF("inp is NULL?\n"); 3326 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3327 return EINVAL; 3328 } 3329 vrf_id = inp->def_vrf_id; 3330 3331 error = 0; 3332 switch (optname) { 3333 case SCTP_NODELAY: 3334 case SCTP_AUTOCLOSE: 3335 case SCTP_AUTO_ASCONF: 3336 case SCTP_EXPLICIT_EOR: 3337 case SCTP_DISABLE_FRAGMENTS: 3338 case SCTP_USE_EXT_RCVINFO: 3339 case SCTP_I_WANT_MAPPED_V4_ADDR: 3340 /* copy in the option value */ 3341 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3342 set_opt = 0; 3343 if (error) 3344 break; 3345 switch (optname) { 3346 case SCTP_DISABLE_FRAGMENTS: 3347 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3348 break; 3349 case SCTP_AUTO_ASCONF: 3350 /* 3351 * NOTE: we don't really support this flag 3352 */ 3353 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3354 /* only valid for bound all sockets */ 3355 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3356 (*mopt != 0)) { 3357 /* forbidden by admin */ 3358 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3359 return (EPERM); 3360 } 3361 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3362 } else { 3363 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3364 return (EINVAL); 3365 } 3366 break; 3367 case SCTP_EXPLICIT_EOR: 3368 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3369 break; 3370 case SCTP_USE_EXT_RCVINFO: 3371 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3372 break; 3373 case SCTP_I_WANT_MAPPED_V4_ADDR: 3374 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3375 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3376 } else { 3377 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3378 return (EINVAL); 3379 } 3380 break; 3381 case SCTP_NODELAY: 3382 set_opt = SCTP_PCB_FLAGS_NODELAY; 3383 break; 3384 case SCTP_AUTOCLOSE: 3385 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3386 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3387 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3388 return (EINVAL); 3389 } 3390 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3391 /* 3392 * The value is in ticks. Note this does not effect 3393 * old associations, only new ones. 3394 */ 3395 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3396 break; 3397 } 3398 SCTP_INP_WLOCK(inp); 3399 if (*mopt != 0) { 3400 sctp_feature_on(inp, set_opt); 3401 } else { 3402 sctp_feature_off(inp, set_opt); 3403 } 3404 SCTP_INP_WUNLOCK(inp); 3405 break; 3406 case SCTP_REUSE_PORT: 3407 { 3408 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3409 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3410 /* Can't set it after we are bound */ 3411 error = EINVAL; 3412 break; 3413 } 3414 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3415 /* Can't do this for a 1-m socket */ 3416 error = EINVAL; 3417 break; 3418 } 3419 if (optval) 3420 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3421 else 3422 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3423 break; 3424 } 3425 case SCTP_PARTIAL_DELIVERY_POINT: 3426 { 3427 uint32_t *value; 3428 3429 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3430 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3431 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3432 error = EINVAL; 3433 break; 3434 } 3435 inp->partial_delivery_point = *value; 3436 break; 3437 } 3438 case SCTP_FRAGMENT_INTERLEAVE: 3439 /* not yet until we re-write sctp_recvmsg() */ 3440 { 3441 uint32_t *level; 3442 3443 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3444 if (*level == SCTP_FRAG_LEVEL_2) { 3445 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3446 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3447 } else if (*level == SCTP_FRAG_LEVEL_1) { 3448 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3449 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3450 } else if (*level == SCTP_FRAG_LEVEL_0) { 3451 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3452 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3453 3454 } else { 3455 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3456 error = EINVAL; 3457 } 3458 break; 3459 } 3460 case SCTP_CMT_ON_OFF: 3461 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3462 struct sctp_assoc_value *av; 3463 3464 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3465 if (av->assoc_value > SCTP_CMT_MAX) { 3466 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3467 error = EINVAL; 3468 break; 3469 } 3470 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3471 if (stcb) { 3472 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3473 SCTP_TCB_UNLOCK(stcb); 3474 } else { 3475 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3476 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3477 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3478 (av->assoc_id == SCTP_ALL_ASSOC)) { 3479 SCTP_INP_WLOCK(inp); 3480 inp->sctp_cmt_on_off = av->assoc_value; 3481 SCTP_INP_WUNLOCK(inp); 3482 } 3483 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3484 (av->assoc_id == SCTP_ALL_ASSOC)) { 3485 SCTP_INP_RLOCK(inp); 3486 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3487 SCTP_TCB_LOCK(stcb); 3488 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3489 SCTP_TCB_UNLOCK(stcb); 3490 } 3491 SCTP_INP_RUNLOCK(inp); 3492 } 3493 } 3494 } else { 3495 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3496 error = ENOPROTOOPT; 3497 } 3498 break; 3499 case SCTP_PLUGGABLE_CC: 3500 { 3501 struct sctp_assoc_value *av; 3502 struct sctp_nets *net; 3503 3504 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3505 if ((av->assoc_value != SCTP_CC_RFC2581) && 3506 (av->assoc_value != SCTP_CC_HSTCP) && 3507 (av->assoc_value != SCTP_CC_HTCP) && 3508 (av->assoc_value != SCTP_CC_RTCC)) { 3509 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3510 error = EINVAL; 3511 break; 3512 } 3513 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3514 if (stcb) { 3515 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3516 stcb->asoc.congestion_control_module = av->assoc_value; 3517 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3518 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3519 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3520 } 3521 } 3522 SCTP_TCB_UNLOCK(stcb); 3523 } else { 3524 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3525 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3526 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3527 (av->assoc_id == SCTP_ALL_ASSOC)) { 3528 SCTP_INP_WLOCK(inp); 3529 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3530 SCTP_INP_WUNLOCK(inp); 3531 } 3532 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3533 (av->assoc_id == SCTP_ALL_ASSOC)) { 3534 SCTP_INP_RLOCK(inp); 3535 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3536 SCTP_TCB_LOCK(stcb); 3537 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3538 stcb->asoc.congestion_control_module = av->assoc_value; 3539 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3540 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3541 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3542 } 3543 } 3544 SCTP_TCB_UNLOCK(stcb); 3545 } 3546 SCTP_INP_RUNLOCK(inp); 3547 } 3548 } 3549 break; 3550 } 3551 case SCTP_CC_OPTION: 3552 { 3553 struct sctp_cc_option *cc_opt; 3554 3555 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 3556 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 3557 if (stcb == NULL) { 3558 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 3559 SCTP_INP_RLOCK(inp); 3560 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3561 SCTP_TCB_LOCK(stcb); 3562 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 3563 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 3564 } 3565 SCTP_TCB_UNLOCK(stcb); 3566 } 3567 SCTP_INP_RUNLOCK(inp); 3568 } else { 3569 error = EINVAL; 3570 } 3571 } else { 3572 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 3573 error = ENOTSUP; 3574 } else { 3575 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 3576 cc_opt); 3577 } 3578 SCTP_TCB_UNLOCK(stcb); 3579 } 3580 break; 3581 } 3582 case SCTP_PLUGGABLE_SS: 3583 { 3584 struct sctp_assoc_value *av; 3585 3586 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3587 if ((av->assoc_value != SCTP_SS_DEFAULT) && 3588 (av->assoc_value != SCTP_SS_DEFAULT) && 3589 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 3590 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 3591 (av->assoc_value != SCTP_SS_PRIORITY) && 3592 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 3593 (av->assoc_value != SCTP_SS_FIRST_COME)) { 3594 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3595 error = EINVAL; 3596 break; 3597 } 3598 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3599 if (stcb) { 3600 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 3601 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 3602 stcb->asoc.stream_scheduling_module = av->assoc_value; 3603 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 3604 SCTP_TCB_UNLOCK(stcb); 3605 } else { 3606 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3607 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3608 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3609 (av->assoc_id == SCTP_ALL_ASSOC)) { 3610 SCTP_INP_WLOCK(inp); 3611 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 3612 SCTP_INP_WUNLOCK(inp); 3613 } 3614 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3615 (av->assoc_id == SCTP_ALL_ASSOC)) { 3616 SCTP_INP_RLOCK(inp); 3617 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3618 SCTP_TCB_LOCK(stcb); 3619 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 3620 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 3621 stcb->asoc.stream_scheduling_module = av->assoc_value; 3622 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 3623 SCTP_TCB_UNLOCK(stcb); 3624 } 3625 SCTP_INP_RUNLOCK(inp); 3626 } 3627 } 3628 break; 3629 } 3630 case SCTP_SS_VALUE: 3631 { 3632 struct sctp_stream_value *av; 3633 3634 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 3635 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3636 if (stcb) { 3637 if (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 3638 av->stream_value) < 0) { 3639 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3640 error = EINVAL; 3641 } 3642 SCTP_TCB_UNLOCK(stcb); 3643 } else { 3644 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 3645 SCTP_INP_RLOCK(inp); 3646 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3647 SCTP_TCB_LOCK(stcb); 3648 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 3649 &stcb->asoc, 3650 &stcb->asoc.strmout[av->stream_id], 3651 av->stream_value); 3652 SCTP_TCB_UNLOCK(stcb); 3653 } 3654 SCTP_INP_RUNLOCK(inp); 3655 3656 } else { 3657 /* 3658 * Can't set stream value without 3659 * association 3660 */ 3661 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3662 error = EINVAL; 3663 } 3664 } 3665 break; 3666 } 3667 case SCTP_CLR_STAT_LOG: 3668 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3669 error = EOPNOTSUPP; 3670 break; 3671 case SCTP_CONTEXT: 3672 { 3673 struct sctp_assoc_value *av; 3674 3675 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3676 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3677 3678 if (stcb) { 3679 stcb->asoc.context = av->assoc_value; 3680 SCTP_TCB_UNLOCK(stcb); 3681 } else { 3682 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3683 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3684 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3685 (av->assoc_id == SCTP_ALL_ASSOC)) { 3686 SCTP_INP_WLOCK(inp); 3687 inp->sctp_context = av->assoc_value; 3688 SCTP_INP_WUNLOCK(inp); 3689 } 3690 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3691 (av->assoc_id == SCTP_ALL_ASSOC)) { 3692 SCTP_INP_RLOCK(inp); 3693 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3694 SCTP_TCB_LOCK(stcb); 3695 stcb->asoc.context = av->assoc_value; 3696 SCTP_TCB_UNLOCK(stcb); 3697 } 3698 SCTP_INP_RUNLOCK(inp); 3699 } 3700 } 3701 break; 3702 } 3703 case SCTP_VRF_ID: 3704 { 3705 uint32_t *default_vrfid; 3706 3707 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 3708 if (*default_vrfid > SCTP_MAX_VRF_ID) { 3709 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3710 error = EINVAL; 3711 break; 3712 } 3713 inp->def_vrf_id = *default_vrfid; 3714 break; 3715 } 3716 case SCTP_DEL_VRF_ID: 3717 { 3718 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3719 error = EOPNOTSUPP; 3720 break; 3721 } 3722 case SCTP_ADD_VRF_ID: 3723 { 3724 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3725 error = EOPNOTSUPP; 3726 break; 3727 } 3728 case SCTP_DELAYED_SACK: 3729 { 3730 struct sctp_sack_info *sack; 3731 3732 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 3733 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 3734 if (sack->sack_delay) { 3735 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 3736 sack->sack_delay = SCTP_MAX_SACK_DELAY; 3737 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 3738 sack->sack_delay = TICKS_TO_MSEC(1); 3739 } 3740 } 3741 if (stcb) { 3742 if (sack->sack_delay) { 3743 stcb->asoc.delayed_ack = sack->sack_delay; 3744 } 3745 if (sack->sack_freq) { 3746 stcb->asoc.sack_freq = sack->sack_freq; 3747 } 3748 SCTP_TCB_UNLOCK(stcb); 3749 } else { 3750 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3751 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3752 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 3753 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 3754 SCTP_INP_WLOCK(inp); 3755 if (sack->sack_delay) { 3756 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 3757 } 3758 if (sack->sack_freq) { 3759 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 3760 } 3761 SCTP_INP_WUNLOCK(inp); 3762 } 3763 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 3764 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 3765 SCTP_INP_RLOCK(inp); 3766 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3767 SCTP_TCB_LOCK(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 } 3776 SCTP_INP_RUNLOCK(inp); 3777 } 3778 } 3779 break; 3780 } 3781 case SCTP_AUTH_CHUNK: 3782 { 3783 struct sctp_authchunk *sauth; 3784 3785 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 3786 3787 SCTP_INP_WLOCK(inp); 3788 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 3789 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3790 error = EINVAL; 3791 } 3792 SCTP_INP_WUNLOCK(inp); 3793 break; 3794 } 3795 case SCTP_AUTH_KEY: 3796 { 3797 struct sctp_authkey *sca; 3798 struct sctp_keyhead *shared_keys; 3799 sctp_sharedkey_t *shared_key; 3800 sctp_key_t *key = NULL; 3801 size_t size; 3802 3803 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 3804 if (sca->sca_keylength == 0) { 3805 size = optsize - sizeof(struct sctp_authkey); 3806 } else { 3807 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 3808 size = sca->sca_keylength; 3809 } else { 3810 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3811 error = EINVAL; 3812 break; 3813 } 3814 } 3815 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 3816 3817 if (stcb) { 3818 shared_keys = &stcb->asoc.shared_keys; 3819 /* clear the cached keys for this key id */ 3820 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 3821 /* 3822 * create the new shared key and 3823 * insert/replace it 3824 */ 3825 if (size > 0) { 3826 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3827 if (key == NULL) { 3828 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3829 error = ENOMEM; 3830 SCTP_TCB_UNLOCK(stcb); 3831 break; 3832 } 3833 } 3834 shared_key = sctp_alloc_sharedkey(); 3835 if (shared_key == NULL) { 3836 sctp_free_key(key); 3837 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3838 error = ENOMEM; 3839 SCTP_TCB_UNLOCK(stcb); 3840 break; 3841 } 3842 shared_key->key = key; 3843 shared_key->keyid = sca->sca_keynumber; 3844 error = sctp_insert_sharedkey(shared_keys, shared_key); 3845 SCTP_TCB_UNLOCK(stcb); 3846 } else { 3847 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3848 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3849 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 3850 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 3851 SCTP_INP_WLOCK(inp); 3852 shared_keys = &inp->sctp_ep.shared_keys; 3853 /* 3854 * clear the cached keys on all 3855 * assocs for this key id 3856 */ 3857 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 3858 /* 3859 * create the new shared key and 3860 * insert/replace it 3861 */ 3862 if (size > 0) { 3863 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3864 if (key == NULL) { 3865 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3866 error = ENOMEM; 3867 SCTP_INP_WUNLOCK(inp); 3868 break; 3869 } 3870 } 3871 shared_key = sctp_alloc_sharedkey(); 3872 if (shared_key == NULL) { 3873 sctp_free_key(key); 3874 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3875 error = ENOMEM; 3876 SCTP_INP_WUNLOCK(inp); 3877 break; 3878 } 3879 shared_key->key = key; 3880 shared_key->keyid = sca->sca_keynumber; 3881 error = sctp_insert_sharedkey(shared_keys, shared_key); 3882 SCTP_INP_WUNLOCK(inp); 3883 } 3884 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 3885 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 3886 SCTP_INP_RLOCK(inp); 3887 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3888 SCTP_TCB_LOCK(stcb); 3889 shared_keys = &stcb->asoc.shared_keys; 3890 /* 3891 * clear the cached keys for 3892 * this key id 3893 */ 3894 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 3895 /* 3896 * create the new shared key 3897 * and insert/replace it 3898 */ 3899 if (size > 0) { 3900 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3901 if (key == NULL) { 3902 SCTP_TCB_UNLOCK(stcb); 3903 continue; 3904 } 3905 } 3906 shared_key = sctp_alloc_sharedkey(); 3907 if (shared_key == NULL) { 3908 sctp_free_key(key); 3909 SCTP_TCB_UNLOCK(stcb); 3910 continue; 3911 } 3912 shared_key->key = key; 3913 shared_key->keyid = sca->sca_keynumber; 3914 error = sctp_insert_sharedkey(shared_keys, shared_key); 3915 SCTP_TCB_UNLOCK(stcb); 3916 } 3917 SCTP_INP_RUNLOCK(inp); 3918 } 3919 } 3920 break; 3921 } 3922 case SCTP_HMAC_IDENT: 3923 { 3924 struct sctp_hmacalgo *shmac; 3925 sctp_hmaclist_t *hmaclist; 3926 uint16_t hmacid; 3927 uint32_t i; 3928 size_t found; 3929 3930 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 3931 if (optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) { 3932 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3933 error = EINVAL; 3934 break; 3935 } 3936 hmaclist = sctp_alloc_hmaclist(shmac->shmac_number_of_idents); 3937 if (hmaclist == NULL) { 3938 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3939 error = ENOMEM; 3940 break; 3941 } 3942 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 3943 hmacid = shmac->shmac_idents[i]; 3944 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 3945 /* invalid HMACs were found */ ; 3946 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3947 error = EINVAL; 3948 sctp_free_hmaclist(hmaclist); 3949 goto sctp_set_hmac_done; 3950 } 3951 } 3952 found = 0; 3953 for (i = 0; i < hmaclist->num_algo; i++) { 3954 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 3955 /* already in list */ 3956 found = 1; 3957 } 3958 } 3959 if (!found) { 3960 sctp_free_hmaclist(hmaclist); 3961 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3962 error = EINVAL; 3963 break; 3964 } 3965 /* set it on the endpoint */ 3966 SCTP_INP_WLOCK(inp); 3967 if (inp->sctp_ep.local_hmacs) 3968 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 3969 inp->sctp_ep.local_hmacs = hmaclist; 3970 SCTP_INP_WUNLOCK(inp); 3971 sctp_set_hmac_done: 3972 break; 3973 } 3974 case SCTP_AUTH_ACTIVE_KEY: 3975 { 3976 struct sctp_authkeyid *scact; 3977 3978 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 3979 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 3980 3981 /* set the active key on the right place */ 3982 if (stcb) { 3983 /* set the active key on the assoc */ 3984 if (sctp_auth_setactivekey(stcb, 3985 scact->scact_keynumber)) { 3986 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 3987 SCTP_FROM_SCTP_USRREQ, 3988 EINVAL); 3989 error = EINVAL; 3990 } 3991 SCTP_TCB_UNLOCK(stcb); 3992 } else { 3993 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3994 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3995 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 3996 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 3997 SCTP_INP_WLOCK(inp); 3998 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 3999 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4000 error = EINVAL; 4001 } 4002 SCTP_INP_WUNLOCK(inp); 4003 } 4004 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4005 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4006 SCTP_INP_RLOCK(inp); 4007 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4008 SCTP_TCB_LOCK(stcb); 4009 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4010 SCTP_TCB_UNLOCK(stcb); 4011 } 4012 SCTP_INP_RUNLOCK(inp); 4013 } 4014 } 4015 break; 4016 } 4017 case SCTP_AUTH_DELETE_KEY: 4018 { 4019 struct sctp_authkeyid *scdel; 4020 4021 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4022 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4023 4024 /* delete the key from the right place */ 4025 if (stcb) { 4026 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4027 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4028 error = EINVAL; 4029 } 4030 SCTP_TCB_UNLOCK(stcb); 4031 } else { 4032 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4033 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4034 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4035 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4036 SCTP_INP_WLOCK(inp); 4037 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4038 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4039 error = EINVAL; 4040 } 4041 SCTP_INP_WUNLOCK(inp); 4042 } 4043 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4044 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4045 SCTP_INP_RLOCK(inp); 4046 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4047 SCTP_TCB_LOCK(stcb); 4048 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4049 SCTP_TCB_UNLOCK(stcb); 4050 } 4051 SCTP_INP_RUNLOCK(inp); 4052 } 4053 } 4054 break; 4055 } 4056 case SCTP_AUTH_DEACTIVATE_KEY: 4057 { 4058 struct sctp_authkeyid *keyid; 4059 4060 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4061 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4062 4063 /* deactivate the key from the right place */ 4064 if (stcb) { 4065 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4066 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4067 error = EINVAL; 4068 } 4069 SCTP_TCB_UNLOCK(stcb); 4070 } else { 4071 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4072 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4073 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4074 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4075 SCTP_INP_WLOCK(inp); 4076 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4077 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4078 error = EINVAL; 4079 } 4080 SCTP_INP_WUNLOCK(inp); 4081 } 4082 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4083 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4084 SCTP_INP_RLOCK(inp); 4085 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4086 SCTP_TCB_LOCK(stcb); 4087 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4088 SCTP_TCB_UNLOCK(stcb); 4089 } 4090 SCTP_INP_RUNLOCK(inp); 4091 } 4092 } 4093 break; 4094 } 4095 4096 case SCTP_RESET_STREAMS: 4097 { 4098 struct sctp_stream_reset *strrst; 4099 uint8_t send_in = 0, send_tsn = 0, send_out = 0, 4100 addstream = 0; 4101 uint16_t addstrmcnt = 0; 4102 int i; 4103 4104 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_stream_reset, optsize); 4105 SCTP_FIND_STCB(inp, stcb, strrst->strrst_assoc_id); 4106 4107 if (stcb == NULL) { 4108 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4109 error = ENOENT; 4110 break; 4111 } 4112 if (stcb->asoc.peer_supports_strreset == 0) { 4113 /* 4114 * Peer does not support it, we return 4115 * protocol not supported since this is true 4116 * for this feature and this peer, not the 4117 * socket request in general. 4118 */ 4119 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPROTONOSUPPORT); 4120 error = EPROTONOSUPPORT; 4121 SCTP_TCB_UNLOCK(stcb); 4122 break; 4123 } 4124 if (stcb->asoc.stream_reset_outstanding) { 4125 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4126 error = EALREADY; 4127 SCTP_TCB_UNLOCK(stcb); 4128 break; 4129 } 4130 if (strrst->strrst_flags == SCTP_RESET_LOCAL_RECV) { 4131 send_in = 1; 4132 } else if (strrst->strrst_flags == SCTP_RESET_LOCAL_SEND) { 4133 send_out = 1; 4134 } else if (strrst->strrst_flags == SCTP_RESET_BOTH) { 4135 send_in = 1; 4136 send_out = 1; 4137 } else if (strrst->strrst_flags == SCTP_RESET_TSN) { 4138 send_tsn = 1; 4139 } else if (strrst->strrst_flags == SCTP_RESET_ADD_STREAMS) { 4140 if (send_tsn || 4141 send_in || 4142 send_out) { 4143 /* We can't do that and add streams */ 4144 error = EINVAL; 4145 goto skip_stuff; 4146 } 4147 if (stcb->asoc.stream_reset_outstanding) { 4148 error = EBUSY; 4149 goto skip_stuff; 4150 } 4151 addstream = 1; 4152 /* We allocate here */ 4153 addstrmcnt = strrst->strrst_num_streams; 4154 if ((int)(addstrmcnt + stcb->asoc.streamoutcnt) > 0xffff) { 4155 /* You can't have more than 64k */ 4156 error = EINVAL; 4157 goto skip_stuff; 4158 } 4159 if ((stcb->asoc.strm_realoutsize - stcb->asoc.streamoutcnt) < addstrmcnt) { 4160 /* Need to allocate more */ 4161 struct sctp_stream_out *oldstream; 4162 struct sctp_stream_queue_pending *sp, 4163 *nsp; 4164 4165 oldstream = stcb->asoc.strmout; 4166 /* get some more */ 4167 SCTP_MALLOC(stcb->asoc.strmout, struct sctp_stream_out *, 4168 ((stcb->asoc.streamoutcnt + addstrmcnt) * sizeof(struct sctp_stream_out)), 4169 SCTP_M_STRMO); 4170 if (stcb->asoc.strmout == NULL) { 4171 stcb->asoc.strmout = oldstream; 4172 error = ENOMEM; 4173 goto skip_stuff; 4174 } 4175 /* 4176 * Ok now we proceed with copying 4177 * the old out stuff and 4178 * initializing the new stuff. 4179 */ 4180 SCTP_TCB_SEND_LOCK(stcb); 4181 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 0, 1); 4182 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4183 TAILQ_INIT(&stcb->asoc.strmout[i].outqueue); 4184 stcb->asoc.strmout[i].next_sequence_sent = oldstream[i].next_sequence_sent; 4185 stcb->asoc.strmout[i].last_msg_incomplete = oldstream[i].last_msg_incomplete; 4186 stcb->asoc.strmout[i].stream_no = i; 4187 stcb->asoc.ss_functions.sctp_ss_init_stream(&stcb->asoc.strmout[i], &oldstream[i]); 4188 /* 4189 * now anything on those 4190 * queues? 4191 */ 4192 TAILQ_FOREACH_SAFE(sp, &oldstream[i].outqueue, next, nsp) { 4193 TAILQ_REMOVE(&oldstream[i].outqueue, sp, next); 4194 TAILQ_INSERT_TAIL(&stcb->asoc.strmout[i].outqueue, sp, next); 4195 } 4196 /* 4197 * Now move assoc pointers 4198 * too 4199 */ 4200 if (stcb->asoc.last_out_stream == &oldstream[i]) { 4201 stcb->asoc.last_out_stream = &stcb->asoc.strmout[i]; 4202 } 4203 if (stcb->asoc.locked_on_sending == &oldstream[i]) { 4204 stcb->asoc.locked_on_sending = &stcb->asoc.strmout[i]; 4205 } 4206 } 4207 /* now the new streams */ 4208 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4209 for (i = stcb->asoc.streamoutcnt; i < (stcb->asoc.streamoutcnt + addstrmcnt); i++) { 4210 stcb->asoc.strmout[i].next_sequence_sent = 0x0; 4211 TAILQ_INIT(&stcb->asoc.strmout[i].outqueue); 4212 stcb->asoc.strmout[i].stream_no = i; 4213 stcb->asoc.strmout[i].last_msg_incomplete = 0; 4214 stcb->asoc.ss_functions.sctp_ss_init_stream(&stcb->asoc.strmout[i], NULL); 4215 } 4216 stcb->asoc.strm_realoutsize = stcb->asoc.streamoutcnt + addstrmcnt; 4217 SCTP_FREE(oldstream, SCTP_M_STRMO); 4218 } 4219 SCTP_TCB_SEND_UNLOCK(stcb); 4220 goto skip_stuff; 4221 } else { 4222 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4223 error = EINVAL; 4224 SCTP_TCB_UNLOCK(stcb); 4225 break; 4226 } 4227 for (i = 0; i < strrst->strrst_num_streams; i++) { 4228 if ((send_in) && 4229 4230 (strrst->strrst_list[i] > stcb->asoc.streamincnt)) { 4231 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4232 error = EINVAL; 4233 goto get_out; 4234 } 4235 if ((send_out) && 4236 (strrst->strrst_list[i] > stcb->asoc.streamoutcnt)) { 4237 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4238 error = EINVAL; 4239 goto get_out; 4240 } 4241 } 4242 skip_stuff: 4243 if (error) { 4244 get_out: 4245 SCTP_TCB_UNLOCK(stcb); 4246 break; 4247 } 4248 error = sctp_send_str_reset_req(stcb, strrst->strrst_num_streams, 4249 strrst->strrst_list, 4250 send_out, (stcb->asoc.str_reset_seq_in - 3), 4251 send_in, send_tsn, addstream, addstrmcnt); 4252 4253 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4254 SCTP_TCB_UNLOCK(stcb); 4255 break; 4256 } 4257 case SCTP_CONNECT_X: 4258 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4259 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4260 error = EINVAL; 4261 break; 4262 } 4263 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4264 break; 4265 case SCTP_CONNECT_X_DELAYED: 4266 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4267 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4268 error = EINVAL; 4269 break; 4270 } 4271 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4272 break; 4273 case SCTP_CONNECT_X_COMPLETE: 4274 { 4275 struct sockaddr *sa; 4276 struct sctp_nets *net; 4277 4278 /* FIXME MT: check correct? */ 4279 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4280 4281 /* find tcb */ 4282 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4283 SCTP_INP_RLOCK(inp); 4284 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4285 if (stcb) { 4286 SCTP_TCB_LOCK(stcb); 4287 net = sctp_findnet(stcb, sa); 4288 } 4289 SCTP_INP_RUNLOCK(inp); 4290 } else { 4291 /* 4292 * We increment here since 4293 * sctp_findassociation_ep_addr() wil do a 4294 * decrement if it finds the stcb as long as 4295 * the locked tcb (last argument) is NOT a 4296 * TCB.. aka NULL. 4297 */ 4298 SCTP_INP_INCR_REF(inp); 4299 stcb = sctp_findassociation_ep_addr(&inp, sa, &net, NULL, NULL); 4300 if (stcb == NULL) { 4301 SCTP_INP_DECR_REF(inp); 4302 } 4303 } 4304 4305 if (stcb == NULL) { 4306 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4307 error = ENOENT; 4308 break; 4309 } 4310 if (stcb->asoc.delayed_connection == 1) { 4311 stcb->asoc.delayed_connection = 0; 4312 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4313 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4314 stcb->asoc.primary_destination, 4315 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 4316 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4317 } else { 4318 /* 4319 * already expired or did not use delayed 4320 * connectx 4321 */ 4322 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4323 error = EALREADY; 4324 } 4325 SCTP_TCB_UNLOCK(stcb); 4326 break; 4327 } 4328 case SCTP_MAX_BURST: 4329 { 4330 struct sctp_assoc_value *av; 4331 4332 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4333 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4334 4335 if (stcb) { 4336 stcb->asoc.max_burst = av->assoc_value; 4337 SCTP_TCB_UNLOCK(stcb); 4338 } else { 4339 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4340 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4341 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4342 (av->assoc_id == SCTP_ALL_ASSOC)) { 4343 SCTP_INP_WLOCK(inp); 4344 inp->sctp_ep.max_burst = av->assoc_value; 4345 SCTP_INP_WUNLOCK(inp); 4346 } 4347 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4348 (av->assoc_id == SCTP_ALL_ASSOC)) { 4349 SCTP_INP_RLOCK(inp); 4350 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4351 SCTP_TCB_LOCK(stcb); 4352 stcb->asoc.max_burst = av->assoc_value; 4353 SCTP_TCB_UNLOCK(stcb); 4354 } 4355 SCTP_INP_RUNLOCK(inp); 4356 } 4357 } 4358 break; 4359 } 4360 case SCTP_MAXSEG: 4361 { 4362 struct sctp_assoc_value *av; 4363 int ovh; 4364 4365 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4366 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4367 4368 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4369 ovh = SCTP_MED_OVERHEAD; 4370 } else { 4371 ovh = SCTP_MED_V4_OVERHEAD; 4372 } 4373 if (stcb) { 4374 if (av->assoc_value) { 4375 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4376 } else { 4377 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4378 } 4379 SCTP_TCB_UNLOCK(stcb); 4380 } else { 4381 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4382 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4383 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4384 SCTP_INP_WLOCK(inp); 4385 /* 4386 * FIXME MT: I think this is not in 4387 * tune with the API ID 4388 */ 4389 if (av->assoc_value) { 4390 inp->sctp_frag_point = (av->assoc_value + ovh); 4391 } else { 4392 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4393 } 4394 SCTP_INP_WUNLOCK(inp); 4395 } else { 4396 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4397 error = EINVAL; 4398 } 4399 } 4400 break; 4401 } 4402 case SCTP_EVENTS: 4403 { 4404 struct sctp_event_subscribe *events; 4405 4406 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 4407 4408 SCTP_INP_WLOCK(inp); 4409 if (events->sctp_data_io_event) { 4410 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4411 } else { 4412 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4413 } 4414 4415 if (events->sctp_association_event) { 4416 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4417 } else { 4418 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4419 } 4420 4421 if (events->sctp_address_event) { 4422 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4423 } else { 4424 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4425 } 4426 4427 if (events->sctp_send_failure_event) { 4428 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4429 } else { 4430 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4431 } 4432 4433 if (events->sctp_peer_error_event) { 4434 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4435 } else { 4436 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4437 } 4438 4439 if (events->sctp_shutdown_event) { 4440 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4441 } else { 4442 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4443 } 4444 4445 if (events->sctp_partial_delivery_event) { 4446 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4447 } else { 4448 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4449 } 4450 4451 if (events->sctp_adaptation_layer_event) { 4452 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4453 } else { 4454 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4455 } 4456 4457 if (events->sctp_authentication_event) { 4458 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4459 } else { 4460 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4461 } 4462 4463 if (events->sctp_sender_dry_event) { 4464 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 4465 } else { 4466 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 4467 } 4468 4469 if (events->sctp_stream_reset_event) { 4470 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4471 } else { 4472 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4473 } 4474 SCTP_INP_WUNLOCK(inp); 4475 4476 SCTP_INP_RLOCK(inp); 4477 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4478 SCTP_TCB_LOCK(stcb); 4479 if (events->sctp_association_event) { 4480 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4481 } else { 4482 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4483 } 4484 if (events->sctp_address_event) { 4485 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4486 } else { 4487 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4488 } 4489 if (events->sctp_send_failure_event) { 4490 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4491 } else { 4492 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4493 } 4494 if (events->sctp_peer_error_event) { 4495 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4496 } else { 4497 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4498 } 4499 if (events->sctp_shutdown_event) { 4500 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4501 } else { 4502 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4503 } 4504 if (events->sctp_partial_delivery_event) { 4505 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4506 } else { 4507 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4508 } 4509 if (events->sctp_adaptation_layer_event) { 4510 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4511 } else { 4512 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4513 } 4514 if (events->sctp_authentication_event) { 4515 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4516 } else { 4517 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4518 } 4519 if (events->sctp_sender_dry_event) { 4520 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4521 } else { 4522 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4523 } 4524 if (events->sctp_stream_reset_event) { 4525 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4526 } else { 4527 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4528 } 4529 SCTP_TCB_UNLOCK(stcb); 4530 } 4531 /* 4532 * Send up the sender dry event only for 1-to-1 4533 * style sockets. 4534 */ 4535 if (events->sctp_sender_dry_event) { 4536 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4537 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 4538 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4539 if (stcb) { 4540 SCTP_TCB_LOCK(stcb); 4541 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 4542 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 4543 (stcb->asoc.stream_queue_cnt == 0)) { 4544 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 4545 } 4546 SCTP_TCB_UNLOCK(stcb); 4547 } 4548 } 4549 } 4550 SCTP_INP_RUNLOCK(inp); 4551 break; 4552 } 4553 case SCTP_ADAPTATION_LAYER: 4554 { 4555 struct sctp_setadaptation *adap_bits; 4556 4557 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 4558 SCTP_INP_WLOCK(inp); 4559 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 4560 SCTP_INP_WUNLOCK(inp); 4561 break; 4562 } 4563#ifdef SCTP_DEBUG 4564 case SCTP_SET_INITIAL_DBG_SEQ: 4565 { 4566 uint32_t *vvv; 4567 4568 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 4569 SCTP_INP_WLOCK(inp); 4570 inp->sctp_ep.initial_sequence_debug = *vvv; 4571 SCTP_INP_WUNLOCK(inp); 4572 break; 4573 } 4574#endif 4575 case SCTP_DEFAULT_SEND_PARAM: 4576 { 4577 struct sctp_sndrcvinfo *s_info; 4578 4579 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 4580 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 4581 4582 if (stcb) { 4583 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 4584 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 4585 } else { 4586 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4587 error = EINVAL; 4588 } 4589 SCTP_TCB_UNLOCK(stcb); 4590 } else { 4591 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4592 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4593 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 4594 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 4595 SCTP_INP_WLOCK(inp); 4596 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 4597 SCTP_INP_WUNLOCK(inp); 4598 } 4599 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 4600 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 4601 SCTP_INP_RLOCK(inp); 4602 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4603 SCTP_TCB_LOCK(stcb); 4604 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 4605 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 4606 } 4607 SCTP_TCB_UNLOCK(stcb); 4608 } 4609 SCTP_INP_RUNLOCK(inp); 4610 } 4611 } 4612 break; 4613 } 4614 case SCTP_PEER_ADDR_PARAMS: 4615 { 4616 struct sctp_paddrparams *paddrp; 4617 struct sctp_nets *net; 4618 4619 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 4620 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 4621 net = NULL; 4622 if (stcb) { 4623 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 4624 } else { 4625 /* 4626 * We increment here since 4627 * sctp_findassociation_ep_addr() wil do a 4628 * decrement if it finds the stcb as long as 4629 * the locked tcb (last argument) is NOT a 4630 * TCB.. aka NULL. 4631 */ 4632 SCTP_INP_INCR_REF(inp); 4633 stcb = sctp_findassociation_ep_addr(&inp, 4634 (struct sockaddr *)&paddrp->spp_address, 4635 &net, NULL, NULL); 4636 if (stcb == NULL) { 4637 SCTP_INP_DECR_REF(inp); 4638 } 4639 } 4640 if (stcb && (net == NULL)) { 4641 struct sockaddr *sa; 4642 4643 sa = (struct sockaddr *)&paddrp->spp_address; 4644#ifdef INET 4645 if (sa->sa_family == AF_INET) { 4646 4647 struct sockaddr_in *sin; 4648 4649 sin = (struct sockaddr_in *)sa; 4650 if (sin->sin_addr.s_addr) { 4651 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4652 SCTP_TCB_UNLOCK(stcb); 4653 error = EINVAL; 4654 break; 4655 } 4656 } else 4657#endif 4658#ifdef INET6 4659 if (sa->sa_family == AF_INET6) { 4660 struct sockaddr_in6 *sin6; 4661 4662 sin6 = (struct sockaddr_in6 *)sa; 4663 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 4664 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4665 SCTP_TCB_UNLOCK(stcb); 4666 error = EINVAL; 4667 break; 4668 } 4669 } else 4670#endif 4671 { 4672 error = EAFNOSUPPORT; 4673 SCTP_TCB_UNLOCK(stcb); 4674 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4675 break; 4676 } 4677 } 4678 /* sanity checks */ 4679 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 4680 if (stcb) 4681 SCTP_TCB_UNLOCK(stcb); 4682 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4683 return (EINVAL); 4684 } 4685 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 4686 if (stcb) 4687 SCTP_TCB_UNLOCK(stcb); 4688 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4689 return (EINVAL); 4690 } 4691 if (stcb) { 4692 /************************TCB SPECIFIC SET ******************/ 4693 /* 4694 * do we change the timer for HB, we run 4695 * only one? 4696 */ 4697 int ovh = 0; 4698 4699 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4700 ovh = SCTP_MED_OVERHEAD; 4701 } else { 4702 ovh = SCTP_MED_V4_OVERHEAD; 4703 } 4704 4705 /* network sets ? */ 4706 if (net) { 4707 /************************NET SPECIFIC SET ******************/ 4708 if (paddrp->spp_flags & SPP_HB_DISABLE) { 4709 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 4710 !(net->dest_state & SCTP_ADDR_NOHB)) { 4711 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4712 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4713 } 4714 net->dest_state |= SCTP_ADDR_NOHB; 4715 } 4716 if (paddrp->spp_flags & SPP_HB_ENABLE) { 4717 if (paddrp->spp_hbinterval) { 4718 net->heart_beat_delay = paddrp->spp_hbinterval; 4719 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4720 net->heart_beat_delay = 0; 4721 } 4722 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4723 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4724 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4725 net->dest_state &= ~SCTP_ADDR_NOHB; 4726 } 4727 if (paddrp->spp_flags & SPP_HB_DEMAND) { 4728 /* on demand HB */ 4729 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4730 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 4731 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4732 } 4733 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 4734 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4735 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 4736 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4737 } 4738 net->dest_state |= SCTP_ADDR_NO_PMTUD; 4739 if (paddrp->spp_pathmtu > SCTP_DEFAULT_MINSEGMENT) { 4740 net->mtu = paddrp->spp_pathmtu + ovh; 4741 if (net->mtu < stcb->asoc.smallest_mtu) { 4742 sctp_pathmtu_adjustment(inp, stcb, net, net->mtu); 4743 } 4744 } 4745 } 4746 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 4747 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4748 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 4749 } 4750 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 4751 } 4752 if (paddrp->spp_pathmaxrxt) { 4753 if (net->dest_state & SCTP_ADDR_PF) { 4754 if (net->error_count > paddrp->spp_pathmaxrxt) { 4755 net->dest_state &= ~SCTP_ADDR_PF; 4756 } 4757 } else { 4758 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 4759 (net->error_count > net->pf_threshold)) { 4760 net->dest_state |= SCTP_ADDR_PF; 4761 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4762 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 4763 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 4764 } 4765 } 4766 if (net->dest_state & SCTP_ADDR_REACHABLE) { 4767 if (net->error_count > paddrp->spp_pathmaxrxt) { 4768 net->dest_state &= ~SCTP_ADDR_REACHABLE; 4769 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 4770 } 4771 } else { 4772 if (net->error_count <= paddrp->spp_pathmaxrxt) { 4773 net->dest_state |= SCTP_ADDR_REACHABLE; 4774 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 4775 } 4776 } 4777 net->failure_threshold = paddrp->spp_pathmaxrxt; 4778 } 4779 if (paddrp->spp_flags & SPP_DSCP) { 4780 net->dscp = paddrp->spp_dscp & 0xfc; 4781 net->dscp |= 0x01; 4782 } 4783#ifdef INET6 4784 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 4785 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 4786 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4787 net->flowlabel |= 0x80000000; 4788 } 4789 } 4790#endif 4791 } else { 4792 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 4793 if (paddrp->spp_pathmaxrxt) { 4794 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 4795 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4796 if (net->dest_state & SCTP_ADDR_PF) { 4797 if (net->error_count > paddrp->spp_pathmaxrxt) { 4798 net->dest_state &= ~SCTP_ADDR_PF; 4799 } 4800 } else { 4801 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 4802 (net->error_count > net->pf_threshold)) { 4803 net->dest_state |= SCTP_ADDR_PF; 4804 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4805 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 4806 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 4807 } 4808 } 4809 if (net->dest_state & SCTP_ADDR_REACHABLE) { 4810 if (net->error_count > paddrp->spp_pathmaxrxt) { 4811 net->dest_state &= ~SCTP_ADDR_REACHABLE; 4812 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 4813 } 4814 } else { 4815 if (net->error_count <= paddrp->spp_pathmaxrxt) { 4816 net->dest_state |= SCTP_ADDR_REACHABLE; 4817 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 4818 } 4819 } 4820 net->failure_threshold = paddrp->spp_pathmaxrxt; 4821 } 4822 } 4823 if (paddrp->spp_flags & SPP_HB_ENABLE) { 4824 if (paddrp->spp_hbinterval) { 4825 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 4826 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4827 stcb->asoc.heart_beat_delay = 0; 4828 } 4829 /* Turn back on the timer */ 4830 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4831 if (paddrp->spp_hbinterval) { 4832 net->heart_beat_delay = paddrp->spp_hbinterval; 4833 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4834 net->heart_beat_delay = 0; 4835 } 4836 if (net->dest_state & SCTP_ADDR_NOHB) { 4837 net->dest_state &= ~SCTP_ADDR_NOHB; 4838 } 4839 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4840 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4841 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4842 } 4843 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4844 } 4845 if (paddrp->spp_flags & SPP_HB_DISABLE) { 4846 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4847 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 4848 net->dest_state |= SCTP_ADDR_NOHB; 4849 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 4850 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4851 } 4852 } 4853 } 4854 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4855 } 4856 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 4857 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4858 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4859 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 4860 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4861 } 4862 net->dest_state |= SCTP_ADDR_NO_PMTUD; 4863 if (paddrp->spp_pathmtu > SCTP_DEFAULT_MINSEGMENT) { 4864 net->mtu = paddrp->spp_pathmtu + ovh; 4865 if (net->mtu < stcb->asoc.smallest_mtu) { 4866 sctp_pathmtu_adjustment(inp, stcb, net, net->mtu); 4867 } 4868 } 4869 } 4870 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4871 } 4872 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 4873 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4874 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4875 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 4876 } 4877 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 4878 } 4879 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4880 } 4881 if (paddrp->spp_flags & SPP_DSCP) { 4882 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4883 net->dscp = paddrp->spp_dscp & 0xfc; 4884 net->dscp |= 0x01; 4885 } 4886 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 4887 stcb->asoc.default_dscp |= 0x01; 4888 } 4889#ifdef INET6 4890 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 4891 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4892 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 4893 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4894 net->flowlabel |= 0x80000000; 4895 } 4896 } 4897 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4898 stcb->asoc.default_flowlabel |= 0x80000000; 4899 } 4900#endif 4901 } 4902 SCTP_TCB_UNLOCK(stcb); 4903 } else { 4904 /************************NO TCB, SET TO default stuff ******************/ 4905 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4906 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4907 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 4908 SCTP_INP_WLOCK(inp); 4909 /* 4910 * For the TOS/FLOWLABEL stuff you 4911 * set it with the options on the 4912 * socket 4913 */ 4914 if (paddrp->spp_pathmaxrxt) { 4915 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 4916 } 4917 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 4918 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 4919 else if (paddrp->spp_hbinterval) { 4920 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 4921 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 4922 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 4923 } 4924 if (paddrp->spp_flags & SPP_HB_ENABLE) { 4925 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4926 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 4927 } else if (paddrp->spp_hbinterval) { 4928 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 4929 } 4930 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4931 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 4932 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4933 } 4934 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 4935 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4936 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 4937 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4938 } 4939 if (paddrp->spp_flags & SPP_DSCP) { 4940 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 4941 inp->sctp_ep.default_dscp |= 0x01; 4942 } 4943#ifdef INET6 4944 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 4945 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4946 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4947 inp->sctp_ep.default_flowlabel |= 0x80000000; 4948 } 4949 } 4950#endif 4951 SCTP_INP_WUNLOCK(inp); 4952 } else { 4953 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4954 error = EINVAL; 4955 } 4956 } 4957 break; 4958 } 4959 case SCTP_RTOINFO: 4960 { 4961 struct sctp_rtoinfo *srto; 4962 uint32_t new_init, new_min, new_max; 4963 4964 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 4965 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 4966 4967 if (stcb) { 4968 if (srto->srto_initial) 4969 new_init = srto->srto_initial; 4970 else 4971 new_init = stcb->asoc.initial_rto; 4972 if (srto->srto_max) 4973 new_max = srto->srto_max; 4974 else 4975 new_max = stcb->asoc.maxrto; 4976 if (srto->srto_min) 4977 new_min = srto->srto_min; 4978 else 4979 new_min = stcb->asoc.minrto; 4980 if ((new_min <= new_init) && (new_init <= new_max)) { 4981 stcb->asoc.initial_rto = new_init; 4982 stcb->asoc.maxrto = new_max; 4983 stcb->asoc.minrto = new_min; 4984 } else { 4985 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4986 error = EINVAL; 4987 } 4988 SCTP_TCB_UNLOCK(stcb); 4989 } else { 4990 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4991 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4992 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 4993 SCTP_INP_WLOCK(inp); 4994 if (srto->srto_initial) 4995 new_init = srto->srto_initial; 4996 else 4997 new_init = inp->sctp_ep.initial_rto; 4998 if (srto->srto_max) 4999 new_max = srto->srto_max; 5000 else 5001 new_max = inp->sctp_ep.sctp_maxrto; 5002 if (srto->srto_min) 5003 new_min = srto->srto_min; 5004 else 5005 new_min = inp->sctp_ep.sctp_minrto; 5006 if ((new_min <= new_init) && (new_init <= new_max)) { 5007 inp->sctp_ep.initial_rto = new_init; 5008 inp->sctp_ep.sctp_maxrto = new_max; 5009 inp->sctp_ep.sctp_minrto = new_min; 5010 } else { 5011 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5012 error = EINVAL; 5013 } 5014 SCTP_INP_WUNLOCK(inp); 5015 } else { 5016 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5017 error = EINVAL; 5018 } 5019 } 5020 break; 5021 } 5022 case SCTP_ASSOCINFO: 5023 { 5024 struct sctp_assocparams *sasoc; 5025 5026 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5027 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5028 if (sasoc->sasoc_cookie_life) { 5029 /* boundary check the cookie life */ 5030 if (sasoc->sasoc_cookie_life < 1000) 5031 sasoc->sasoc_cookie_life = 1000; 5032 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5033 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5034 } 5035 } 5036 if (stcb) { 5037 if (sasoc->sasoc_asocmaxrxt) 5038 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5039 if (sasoc->sasoc_cookie_life) { 5040 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5041 } 5042 SCTP_TCB_UNLOCK(stcb); 5043 } else { 5044 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5045 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5046 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5047 SCTP_INP_WLOCK(inp); 5048 if (sasoc->sasoc_asocmaxrxt) 5049 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5050 if (sasoc->sasoc_cookie_life) { 5051 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5052 } 5053 SCTP_INP_WUNLOCK(inp); 5054 } else { 5055 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5056 error = EINVAL; 5057 } 5058 } 5059 break; 5060 } 5061 case SCTP_INITMSG: 5062 { 5063 struct sctp_initmsg *sinit; 5064 5065 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5066 SCTP_INP_WLOCK(inp); 5067 if (sinit->sinit_num_ostreams) 5068 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5069 5070 if (sinit->sinit_max_instreams) 5071 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5072 5073 if (sinit->sinit_max_attempts) 5074 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5075 5076 if (sinit->sinit_max_init_timeo) 5077 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5078 SCTP_INP_WUNLOCK(inp); 5079 break; 5080 } 5081 case SCTP_PRIMARY_ADDR: 5082 { 5083 struct sctp_setprim *spa; 5084 struct sctp_nets *net; 5085 5086 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5087 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5088 5089 net = NULL; 5090 if (stcb) { 5091 net = sctp_findnet(stcb, (struct sockaddr *)&spa->ssp_addr); 5092 } else { 5093 /* 5094 * We increment here since 5095 * sctp_findassociation_ep_addr() wil do a 5096 * decrement if it finds the stcb as long as 5097 * the locked tcb (last argument) is NOT a 5098 * TCB.. aka NULL. 5099 */ 5100 SCTP_INP_INCR_REF(inp); 5101 stcb = sctp_findassociation_ep_addr(&inp, 5102 (struct sockaddr *)&spa->ssp_addr, 5103 &net, NULL, NULL); 5104 if (stcb == NULL) { 5105 SCTP_INP_DECR_REF(inp); 5106 } 5107 } 5108 5109 if ((stcb) && (net)) { 5110 if ((net != stcb->asoc.primary_destination) && 5111 (!(net->dest_state & SCTP_ADDR_UNCONFIRMED))) { 5112 /* Ok we need to set it */ 5113 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5114 if ((stcb->asoc.alternate) && 5115 (!(net->dest_state & SCTP_ADDR_PF)) && 5116 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5117 sctp_free_remote_addr(stcb->asoc.alternate); 5118 stcb->asoc.alternate = NULL; 5119 } 5120 } 5121 } 5122 } else { 5123 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5124 error = EINVAL; 5125 } 5126 if (stcb) { 5127 SCTP_TCB_UNLOCK(stcb); 5128 } 5129 break; 5130 } 5131 case SCTP_SET_DYNAMIC_PRIMARY: 5132 { 5133 union sctp_sockstore *ss; 5134 5135 error = priv_check(curthread, 5136 PRIV_NETINET_RESERVEDPORT); 5137 if (error) 5138 break; 5139 5140 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5141 /* SUPER USER CHECK? */ 5142 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5143 break; 5144 } 5145 case SCTP_SET_PEER_PRIMARY_ADDR: 5146 { 5147 struct sctp_setpeerprim *sspp; 5148 5149 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5150 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5151 if (stcb != NULL) { 5152 struct sctp_ifa *ifa; 5153 5154 ifa = sctp_find_ifa_by_addr((struct sockaddr *)&sspp->sspp_addr, 5155 stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5156 if (ifa == NULL) { 5157 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5158 error = EINVAL; 5159 goto out_of_it; 5160 } 5161 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5162 /* 5163 * Must validate the ifa found is in 5164 * our ep 5165 */ 5166 struct sctp_laddr *laddr; 5167 int found = 0; 5168 5169 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5170 if (laddr->ifa == NULL) { 5171 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5172 __FUNCTION__); 5173 continue; 5174 } 5175 if (laddr->ifa == ifa) { 5176 found = 1; 5177 break; 5178 } 5179 } 5180 if (!found) { 5181 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5182 error = EINVAL; 5183 goto out_of_it; 5184 } 5185 } 5186 if (sctp_set_primary_ip_address_sa(stcb, 5187 (struct sockaddr *)&sspp->sspp_addr) != 0) { 5188 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5189 error = EINVAL; 5190 } 5191 out_of_it: 5192 SCTP_TCB_UNLOCK(stcb); 5193 } else { 5194 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5195 error = EINVAL; 5196 } 5197 break; 5198 } 5199 case SCTP_BINDX_ADD_ADDR: 5200 { 5201 struct sctp_getaddresses *addrs; 5202 size_t sz; 5203 struct thread *td; 5204 5205 td = (struct thread *)p; 5206 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5207 optsize); 5208#ifdef INET 5209 if (addrs->addr->sa_family == AF_INET) { 5210 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in); 5211 if (optsize < sz) { 5212 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5213 error = EINVAL; 5214 break; 5215 } 5216 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5217 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5218 break; 5219 } 5220 } else 5221#endif 5222#ifdef INET6 5223 if (addrs->addr->sa_family == AF_INET6) { 5224 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6); 5225 if (optsize < sz) { 5226 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5227 error = EINVAL; 5228 break; 5229 } 5230 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5231 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5232 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5233 break; 5234 } 5235 } else 5236#endif 5237 { 5238 error = EAFNOSUPPORT; 5239 break; 5240 } 5241 sctp_bindx_add_address(so, inp, addrs->addr, 5242 addrs->sget_assoc_id, vrf_id, 5243 &error, p); 5244 break; 5245 } 5246 case SCTP_BINDX_REM_ADDR: 5247 { 5248 struct sctp_getaddresses *addrs; 5249 size_t sz; 5250 struct thread *td; 5251 5252 td = (struct thread *)p; 5253 5254 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5255#ifdef INET 5256 if (addrs->addr->sa_family == AF_INET) { 5257 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in); 5258 if (optsize < sz) { 5259 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5260 error = EINVAL; 5261 break; 5262 } 5263 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5264 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5265 break; 5266 } 5267 } else 5268#endif 5269#ifdef INET6 5270 if (addrs->addr->sa_family == AF_INET6) { 5271 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6); 5272 if (optsize < sz) { 5273 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5274 error = EINVAL; 5275 break; 5276 } 5277 if (td != NULL && 5278 (error = prison_local_ip6(td->td_ucred, 5279 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5280 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5281 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5282 break; 5283 } 5284 } else 5285#endif 5286 { 5287 error = EAFNOSUPPORT; 5288 break; 5289 } 5290 sctp_bindx_delete_address(so, inp, addrs->addr, 5291 addrs->sget_assoc_id, vrf_id, 5292 &error); 5293 break; 5294 } 5295 case SCTP_EVENT: 5296 { 5297 struct sctp_event *event; 5298 uint32_t event_type; 5299 5300 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 5301 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 5302 switch (event->se_type) { 5303 case SCTP_ASSOC_CHANGE: 5304 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 5305 break; 5306 case SCTP_PEER_ADDR_CHANGE: 5307 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 5308 break; 5309 case SCTP_REMOTE_ERROR: 5310 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 5311 break; 5312 case SCTP_SEND_FAILED: 5313 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 5314 break; 5315 case SCTP_SHUTDOWN_EVENT: 5316 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 5317 break; 5318 case SCTP_ADAPTATION_INDICATION: 5319 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 5320 break; 5321 case SCTP_PARTIAL_DELIVERY_EVENT: 5322 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 5323 break; 5324 case SCTP_AUTHENTICATION_EVENT: 5325 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 5326 break; 5327 case SCTP_STREAM_RESET_EVENT: 5328 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 5329 break; 5330 case SCTP_SENDER_DRY_EVENT: 5331 event_type = SCTP_PCB_FLAGS_DRYEVNT; 5332 break; 5333 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 5334 event_type = 0; 5335 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5336 error = ENOTSUP; 5337 break; 5338 default: 5339 event_type = 0; 5340 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5341 error = EINVAL; 5342 break; 5343 } 5344 if (event_type > 0) { 5345 if (stcb) { 5346 if (event->se_on) { 5347 sctp_stcb_feature_on(inp, stcb, event_type); 5348 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 5349 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5350 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5351 (stcb->asoc.stream_queue_cnt == 0)) { 5352 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5353 } 5354 } 5355 } else { 5356 sctp_stcb_feature_off(inp, stcb, event_type); 5357 } 5358 SCTP_TCB_UNLOCK(stcb); 5359 } else { 5360 /* 5361 * We don't want to send up a storm 5362 * of events, so return an error for 5363 * sender dry events 5364 */ 5365 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 5366 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 5367 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 5368 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 5369 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 5370 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5371 error = ENOTSUP; 5372 break; 5373 } 5374 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5375 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5376 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 5377 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5378 SCTP_INP_WLOCK(inp); 5379 if (event->se_on) { 5380 sctp_feature_on(inp, event_type); 5381 } else { 5382 sctp_feature_off(inp, event_type); 5383 } 5384 SCTP_INP_WUNLOCK(inp); 5385 } 5386 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 5387 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5388 SCTP_INP_RLOCK(inp); 5389 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5390 SCTP_TCB_LOCK(stcb); 5391 if (event->se_on) { 5392 sctp_stcb_feature_on(inp, stcb, event_type); 5393 } else { 5394 sctp_stcb_feature_off(inp, stcb, event_type); 5395 } 5396 SCTP_TCB_UNLOCK(stcb); 5397 } 5398 SCTP_INP_RUNLOCK(inp); 5399 } 5400 } 5401 } 5402 break; 5403 } 5404 case SCTP_RECVRCVINFO: 5405 { 5406 int *onoff; 5407 5408 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5409 SCTP_INP_WLOCK(inp); 5410 if (*onoff != 0) { 5411 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5412 } else { 5413 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5414 } 5415 SCTP_INP_WUNLOCK(inp); 5416 break; 5417 } 5418 case SCTP_RECVNXTINFO: 5419 { 5420 int *onoff; 5421 5422 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5423 SCTP_INP_WLOCK(inp); 5424 if (*onoff != 0) { 5425 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5426 } else { 5427 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5428 } 5429 SCTP_INP_WUNLOCK(inp); 5430 break; 5431 } 5432 case SCTP_DEFAULT_SNDINFO: 5433 { 5434 struct sctp_sndinfo *info; 5435 uint16_t policy; 5436 5437 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 5438 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 5439 5440 if (stcb) { 5441 if (info->snd_sid < stcb->asoc.streamoutcnt) { 5442 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 5443 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 5444 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 5445 stcb->asoc.def_send.sinfo_flags |= policy; 5446 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 5447 stcb->asoc.def_send.sinfo_context = info->snd_context; 5448 } else { 5449 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5450 error = EINVAL; 5451 } 5452 SCTP_TCB_UNLOCK(stcb); 5453 } else { 5454 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5455 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5456 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 5457 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 5458 SCTP_INP_WLOCK(inp); 5459 inp->def_send.sinfo_stream = info->snd_sid; 5460 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 5461 inp->def_send.sinfo_flags = info->snd_flags; 5462 inp->def_send.sinfo_flags |= policy; 5463 inp->def_send.sinfo_ppid = info->snd_ppid; 5464 inp->def_send.sinfo_context = info->snd_context; 5465 SCTP_INP_WUNLOCK(inp); 5466 } 5467 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 5468 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 5469 SCTP_INP_RLOCK(inp); 5470 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5471 SCTP_TCB_LOCK(stcb); 5472 if (info->snd_sid < stcb->asoc.streamoutcnt) { 5473 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 5474 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 5475 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 5476 stcb->asoc.def_send.sinfo_flags |= policy; 5477 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 5478 stcb->asoc.def_send.sinfo_context = info->snd_context; 5479 } 5480 SCTP_TCB_UNLOCK(stcb); 5481 } 5482 SCTP_INP_RUNLOCK(inp); 5483 } 5484 } 5485 break; 5486 } 5487 case SCTP_DEFAULT_PRINFO: 5488 { 5489 struct sctp_default_prinfo *info; 5490 5491 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 5492 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 5493 5494 if (PR_SCTP_INVALID_POLICY(info->pr_policy)) { 5495 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5496 error = EINVAL; 5497 break; 5498 } 5499 if (stcb) { 5500 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 5501 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 5502 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 5503 SCTP_TCB_UNLOCK(stcb); 5504 } else { 5505 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5506 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5507 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 5508 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 5509 SCTP_INP_WLOCK(inp); 5510 inp->def_send.sinfo_flags &= 0xfff0; 5511 inp->def_send.sinfo_flags |= info->pr_policy; 5512 inp->def_send.sinfo_timetolive = info->pr_value; 5513 SCTP_INP_WUNLOCK(inp); 5514 } 5515 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 5516 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 5517 SCTP_INP_RLOCK(inp); 5518 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5519 SCTP_TCB_LOCK(stcb); 5520 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 5521 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 5522 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 5523 SCTP_TCB_UNLOCK(stcb); 5524 } 5525 SCTP_INP_RUNLOCK(inp); 5526 } 5527 } 5528 break; 5529 } 5530 case SCTP_PEER_ADDR_THLDS: 5531 /* Applies to the specific association */ 5532 { 5533 struct sctp_paddrthlds *thlds; 5534 struct sctp_nets *net; 5535 5536 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 5537 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 5538 net = NULL; 5539 if (stcb) { 5540 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_assoc_id); 5541 } else { 5542 /* 5543 * We increment here since 5544 * sctp_findassociation_ep_addr() wil do a 5545 * decrement if it finds the stcb as long as 5546 * the locked tcb (last argument) is NOT a 5547 * TCB.. aka NULL. 5548 */ 5549 SCTP_INP_INCR_REF(inp); 5550 stcb = sctp_findassociation_ep_addr(&inp, 5551 (struct sockaddr *)&thlds->spt_assoc_id, 5552 &net, NULL, NULL); 5553 if (stcb == NULL) { 5554 SCTP_INP_DECR_REF(inp); 5555 } 5556 } 5557 if (stcb && (net == NULL)) { 5558 struct sockaddr *sa; 5559 5560 sa = (struct sockaddr *)&thlds->spt_assoc_id; 5561#ifdef INET 5562 if (sa->sa_family == AF_INET) { 5563 5564 struct sockaddr_in *sin; 5565 5566 sin = (struct sockaddr_in *)sa; 5567 if (sin->sin_addr.s_addr) { 5568 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5569 SCTP_TCB_UNLOCK(stcb); 5570 error = EINVAL; 5571 break; 5572 } 5573 } else 5574#endif 5575#ifdef INET6 5576 if (sa->sa_family == AF_INET6) { 5577 struct sockaddr_in6 *sin6; 5578 5579 sin6 = (struct sockaddr_in6 *)sa; 5580 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5581 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5582 SCTP_TCB_UNLOCK(stcb); 5583 error = EINVAL; 5584 break; 5585 } 5586 } else 5587#endif 5588 { 5589 error = EAFNOSUPPORT; 5590 SCTP_TCB_UNLOCK(stcb); 5591 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5592 break; 5593 } 5594 } 5595 if (stcb) { 5596 if (net) { 5597 if (net->dest_state & SCTP_ADDR_PF) { 5598 if ((net->failure_threshold > thlds->spt_pathmaxrxt) || 5599 (net->failure_threshold <= thlds->spt_pathpfthld)) { 5600 net->dest_state &= ~SCTP_ADDR_PF; 5601 } 5602 } else { 5603 if ((net->failure_threshold > thlds->spt_pathpfthld) && 5604 (net->failure_threshold <= thlds->spt_pathmaxrxt)) { 5605 net->dest_state |= SCTP_ADDR_PF; 5606 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5607 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5608 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5609 } 5610 } 5611 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5612 if (net->failure_threshold > thlds->spt_pathmaxrxt) { 5613 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5614 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 5615 } 5616 } else { 5617 if (net->failure_threshold <= thlds->spt_pathmaxrxt) { 5618 net->dest_state |= SCTP_ADDR_REACHABLE; 5619 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 5620 } 5621 } 5622 net->failure_threshold = thlds->spt_pathmaxrxt; 5623 net->pf_threshold = thlds->spt_pathpfthld; 5624 } else { 5625 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5626 if (net->dest_state & SCTP_ADDR_PF) { 5627 if ((net->failure_threshold > thlds->spt_pathmaxrxt) || 5628 (net->failure_threshold <= thlds->spt_pathpfthld)) { 5629 net->dest_state &= ~SCTP_ADDR_PF; 5630 } 5631 } else { 5632 if ((net->failure_threshold > thlds->spt_pathpfthld) && 5633 (net->failure_threshold <= thlds->spt_pathmaxrxt)) { 5634 net->dest_state |= SCTP_ADDR_PF; 5635 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5636 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5637 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5638 } 5639 } 5640 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5641 if (net->failure_threshold > thlds->spt_pathmaxrxt) { 5642 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5643 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 5644 } 5645 } else { 5646 if (net->failure_threshold <= thlds->spt_pathmaxrxt) { 5647 net->dest_state |= SCTP_ADDR_REACHABLE; 5648 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED); 5649 } 5650 } 5651 net->failure_threshold = thlds->spt_pathmaxrxt; 5652 net->pf_threshold = thlds->spt_pathpfthld; 5653 } 5654 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 5655 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 5656 } 5657 } else { 5658 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5659 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5660 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 5661 SCTP_INP_WLOCK(inp); 5662 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 5663 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 5664 SCTP_INP_WUNLOCK(inp); 5665 } else { 5666 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5667 error = EINVAL; 5668 } 5669 } 5670 break; 5671 } 5672 case SCTP_REMOTE_UDP_ENCAPS_PORT: 5673 { 5674 struct sctp_udpencaps *encaps; 5675 struct sctp_nets *net; 5676 5677 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 5678 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 5679 if (stcb) { 5680 net = sctp_findnet(stcb, (struct sockaddr *)&encaps->sue_address); 5681 } else { 5682 /* 5683 * We increment here since 5684 * sctp_findassociation_ep_addr() wil do a 5685 * decrement if it finds the stcb as long as 5686 * the locked tcb (last argument) is NOT a 5687 * TCB.. aka NULL. 5688 */ 5689 net = NULL; 5690 SCTP_INP_INCR_REF(inp); 5691 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&encaps->sue_address, &net, NULL, NULL); 5692 if (stcb == NULL) { 5693 SCTP_INP_DECR_REF(inp); 5694 } 5695 } 5696 if (stcb && (net == NULL)) { 5697 struct sockaddr *sa; 5698 5699 sa = (struct sockaddr *)&encaps->sue_address; 5700#ifdef INET 5701 if (sa->sa_family == AF_INET) { 5702 5703 struct sockaddr_in *sin; 5704 5705 sin = (struct sockaddr_in *)sa; 5706 if (sin->sin_addr.s_addr) { 5707 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5708 SCTP_TCB_UNLOCK(stcb); 5709 error = EINVAL; 5710 break; 5711 } 5712 } else 5713#endif 5714#ifdef INET6 5715 if (sa->sa_family == AF_INET6) { 5716 struct sockaddr_in6 *sin6; 5717 5718 sin6 = (struct sockaddr_in6 *)sa; 5719 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5720 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5721 SCTP_TCB_UNLOCK(stcb); 5722 error = EINVAL; 5723 break; 5724 } 5725 } else 5726#endif 5727 { 5728 error = EAFNOSUPPORT; 5729 SCTP_TCB_UNLOCK(stcb); 5730 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5731 break; 5732 } 5733 } 5734 if (stcb) { 5735 if (net) { 5736 net->port = encaps->sue_port; 5737 } else { 5738 stcb->asoc.port = encaps->sue_port; 5739 } 5740 SCTP_TCB_UNLOCK(stcb); 5741 } else { 5742 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5743 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5744 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 5745 SCTP_INP_WLOCK(inp); 5746 inp->sctp_ep.port = encaps->sue_port; 5747 SCTP_INP_WUNLOCK(inp); 5748 } else { 5749 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5750 error = EINVAL; 5751 } 5752 } 5753 break; 5754 } 5755 default: 5756 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 5757 error = ENOPROTOOPT; 5758 break; 5759 } /* end switch (opt) */ 5760 return (error); 5761} 5762 5763int 5764sctp_ctloutput(struct socket *so, struct sockopt *sopt) 5765{ 5766 void *optval = NULL; 5767 size_t optsize = 0; 5768 struct sctp_inpcb *inp; 5769 void *p; 5770 int error = 0; 5771 5772 inp = (struct sctp_inpcb *)so->so_pcb; 5773 if (inp == 0) { 5774 /* I made the same as TCP since we are not setup? */ 5775 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5776 return (ECONNRESET); 5777 } 5778 if (sopt->sopt_level != IPPROTO_SCTP) { 5779 /* wrong proto level... send back up to IP */ 5780#ifdef INET6 5781 if (INP_CHECK_SOCKAF(so, AF_INET6)) 5782 error = ip6_ctloutput(so, sopt); 5783#endif /* INET6 */ 5784#if defined(INET) && defined (INET6) 5785 else 5786#endif 5787#ifdef INET 5788 error = ip_ctloutput(so, sopt); 5789#endif 5790 return (error); 5791 } 5792 optsize = sopt->sopt_valsize; 5793 if (optsize) { 5794 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 5795 if (optval == NULL) { 5796 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 5797 return (ENOBUFS); 5798 } 5799 error = sooptcopyin(sopt, optval, optsize, optsize); 5800 if (error) { 5801 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5802 goto out; 5803 } 5804 } 5805 p = (void *)sopt->sopt_td; 5806 if (sopt->sopt_dir == SOPT_SET) { 5807 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 5808 } else if (sopt->sopt_dir == SOPT_GET) { 5809 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 5810 } else { 5811 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5812 error = EINVAL; 5813 } 5814 if ((error == 0) && (optval != NULL)) { 5815 error = sooptcopyout(sopt, optval, optsize); 5816 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5817 } else if (optval != NULL) { 5818 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5819 } 5820out: 5821 return (error); 5822} 5823 5824#ifdef INET 5825static int 5826sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 5827{ 5828 int error = 0; 5829 int create_lock_on = 0; 5830 uint32_t vrf_id; 5831 struct sctp_inpcb *inp; 5832 struct sctp_tcb *stcb = NULL; 5833 5834 inp = (struct sctp_inpcb *)so->so_pcb; 5835 if (inp == 0) { 5836 /* I made the same as TCP since we are not setup? */ 5837 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5838 return (ECONNRESET); 5839 } 5840 if (addr == NULL) { 5841 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5842 return EINVAL; 5843 } 5844 switch (addr->sa_family) { 5845#ifdef INET6 5846 case AF_INET6: 5847 { 5848 struct sockaddr_in6 *sin6p; 5849 5850 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 5851 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5852 return (EINVAL); 5853 } 5854 sin6p = (struct sockaddr_in6 *)addr; 5855 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 5856 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5857 return (error); 5858 } 5859 break; 5860 } 5861#endif 5862#ifdef INET 5863 case AF_INET: 5864 { 5865 struct sockaddr_in *sinp; 5866 5867 if (addr->sa_len != sizeof(struct sockaddr_in)) { 5868 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5869 return (EINVAL); 5870 } 5871 sinp = (struct sockaddr_in *)addr; 5872 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 5873 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5874 return (error); 5875 } 5876 break; 5877 } 5878#endif 5879 default: 5880 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 5881 return (EAFNOSUPPORT); 5882 } 5883 SCTP_INP_INCR_REF(inp); 5884 SCTP_ASOC_CREATE_LOCK(inp); 5885 create_lock_on = 1; 5886 5887 5888 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 5889 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 5890 /* Should I really unlock ? */ 5891 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 5892 error = EFAULT; 5893 goto out_now; 5894 } 5895#ifdef INET6 5896 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 5897 (addr->sa_family == AF_INET6)) { 5898 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5899 error = EINVAL; 5900 goto out_now; 5901 } 5902#endif /* INET6 */ 5903 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 5904 SCTP_PCB_FLAGS_UNBOUND) { 5905 /* Bind a ephemeral port */ 5906 error = sctp_inpcb_bind(so, NULL, NULL, p); 5907 if (error) { 5908 goto out_now; 5909 } 5910 } 5911 /* Now do we connect? */ 5912 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 5913 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 5914 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5915 error = EINVAL; 5916 goto out_now; 5917 } 5918 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 5919 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 5920 /* We are already connected AND the TCP model */ 5921 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 5922 error = EADDRINUSE; 5923 goto out_now; 5924 } 5925 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 5926 SCTP_INP_RLOCK(inp); 5927 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5928 SCTP_INP_RUNLOCK(inp); 5929 } else { 5930 /* 5931 * We increment here since sctp_findassociation_ep_addr() 5932 * will do a decrement if it finds the stcb as long as the 5933 * locked tcb (last argument) is NOT a TCB.. aka NULL. 5934 */ 5935 SCTP_INP_INCR_REF(inp); 5936 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 5937 if (stcb == NULL) { 5938 SCTP_INP_DECR_REF(inp); 5939 } else { 5940 SCTP_TCB_UNLOCK(stcb); 5941 } 5942 } 5943 if (stcb != NULL) { 5944 /* Already have or am bring up an association */ 5945 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 5946 error = EALREADY; 5947 goto out_now; 5948 } 5949 vrf_id = inp->def_vrf_id; 5950 /* We are GOOD to go */ 5951 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, p); 5952 if (stcb == NULL) { 5953 /* Gak! no memory */ 5954 goto out_now; 5955 } 5956 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 5957 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 5958 /* Set the connected flag so we can queue data */ 5959 soisconnecting(so); 5960 } 5961 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 5962 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 5963 5964 /* initialize authentication parameters for the assoc */ 5965 sctp_initialize_auth_params(inp, stcb); 5966 5967 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 5968 SCTP_TCB_UNLOCK(stcb); 5969out_now: 5970 if (create_lock_on) { 5971 SCTP_ASOC_CREATE_UNLOCK(inp); 5972 } 5973 SCTP_INP_DECR_REF(inp); 5974 return error; 5975} 5976 5977#endif 5978 5979int 5980sctp_listen(struct socket *so, int backlog, struct thread *p) 5981{ 5982 /* 5983 * Note this module depends on the protocol processing being called 5984 * AFTER any socket level flags and backlog are applied to the 5985 * socket. The traditional way that the socket flags are applied is 5986 * AFTER protocol processing. We have made a change to the 5987 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 5988 * place if the socket API for SCTP is to work properly. 5989 */ 5990 5991 int error = 0; 5992 struct sctp_inpcb *inp; 5993 5994 inp = (struct sctp_inpcb *)so->so_pcb; 5995 if (inp == 0) { 5996 /* I made the same as TCP since we are not setup? */ 5997 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5998 return (ECONNRESET); 5999 } 6000 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 6001 /* See if we have a listener */ 6002 struct sctp_inpcb *tinp; 6003 union sctp_sockstore store, *sp; 6004 6005 sp = &store; 6006 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 6007 /* not bound all */ 6008 struct sctp_laddr *laddr; 6009 6010 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6011 memcpy(&store, &laddr->ifa->address, sizeof(store)); 6012 switch (sp->sa.sa_family) { 6013#ifdef INET 6014 case AF_INET: 6015 sp->sin.sin_port = inp->sctp_lport; 6016 break; 6017#endif 6018#ifdef INET6 6019 case AF_INET6: 6020 sp->sin6.sin6_port = inp->sctp_lport; 6021 break; 6022#endif 6023 default: 6024 break; 6025 } 6026 tinp = sctp_pcb_findep(&sp->sa, 0, 0, inp->def_vrf_id); 6027 if (tinp && (tinp != inp) && 6028 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6029 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6030 (tinp->sctp_socket->so_qlimit)) { 6031 /* 6032 * we have a listener already and 6033 * its not this inp. 6034 */ 6035 SCTP_INP_DECR_REF(tinp); 6036 return (EADDRINUSE); 6037 } else if (tinp) { 6038 SCTP_INP_DECR_REF(tinp); 6039 } 6040 } 6041 } else { 6042 /* Setup a local addr bound all */ 6043 memset(&store, 0, sizeof(store)); 6044 switch (sp->sa.sa_family) { 6045#ifdef INET 6046 case AF_INET: 6047 store.sin.sin_port = inp->sctp_lport; 6048 break; 6049#endif 6050#ifdef INET6 6051 case AF_INET6: 6052 sp->sin6.sin6_port = inp->sctp_lport; 6053 break; 6054#endif 6055 default: 6056 break; 6057 } 6058#ifdef INET6 6059 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 6060 store.sa.sa_family = AF_INET6; 6061 store.sa.sa_len = sizeof(struct sockaddr_in6); 6062 } 6063#endif 6064#ifdef INET 6065 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 6066 store.sa.sa_family = AF_INET; 6067 store.sa.sa_len = sizeof(struct sockaddr_in); 6068 } 6069#endif 6070 tinp = sctp_pcb_findep(&sp->sa, 0, 0, inp->def_vrf_id); 6071 if (tinp && (tinp != inp) && 6072 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6073 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6074 (tinp->sctp_socket->so_qlimit)) { 6075 /* 6076 * we have a listener already and its not 6077 * this inp. 6078 */ 6079 SCTP_INP_DECR_REF(tinp); 6080 return (EADDRINUSE); 6081 } else if (tinp) { 6082 SCTP_INP_DECR_REF(inp); 6083 } 6084 } 6085 } 6086 SCTP_INP_RLOCK(inp); 6087#ifdef SCTP_LOCK_LOGGING 6088 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 6089 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 6090 } 6091#endif 6092 SOCK_LOCK(so); 6093 error = solisten_proto_check(so); 6094 if (error) { 6095 SOCK_UNLOCK(so); 6096 SCTP_INP_RUNLOCK(inp); 6097 return (error); 6098 } 6099 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 6100 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 6101 /* 6102 * The unlucky case - We are in the tcp pool with this guy. 6103 * - Someone else is in the main inp slot. - We must move 6104 * this guy (the listener) to the main slot - We must then 6105 * move the guy that was listener to the TCP Pool. 6106 */ 6107 if (sctp_swap_inpcb_for_listen(inp)) { 6108 goto in_use; 6109 } 6110 } 6111 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6112 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6113 /* We are already connected AND the TCP model */ 6114in_use: 6115 SCTP_INP_RUNLOCK(inp); 6116 SOCK_UNLOCK(so); 6117 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6118 return (EADDRINUSE); 6119 } 6120 SCTP_INP_RUNLOCK(inp); 6121 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 6122 /* We must do a bind. */ 6123 SOCK_UNLOCK(so); 6124 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 6125 /* bind error, probably perm */ 6126 return (error); 6127 } 6128 SOCK_LOCK(so); 6129 } 6130 /* It appears for 7.0 and on, we must always call this. */ 6131 solisten_proto(so, backlog); 6132 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 6133 /* remove the ACCEPTCONN flag for one-to-many sockets */ 6134 so->so_options &= ~SO_ACCEPTCONN; 6135 } 6136 if (backlog == 0) { 6137 /* turning off listen */ 6138 so->so_options &= ~SO_ACCEPTCONN; 6139 } 6140 SOCK_UNLOCK(so); 6141 return (error); 6142} 6143 6144static int sctp_defered_wakeup_cnt = 0; 6145 6146int 6147sctp_accept(struct socket *so, struct sockaddr **addr) 6148{ 6149 struct sctp_tcb *stcb; 6150 struct sctp_inpcb *inp; 6151 union sctp_sockstore store; 6152 6153#ifdef INET6 6154 int error; 6155 6156#endif 6157 inp = (struct sctp_inpcb *)so->so_pcb; 6158 6159 if (inp == 0) { 6160 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6161 return (ECONNRESET); 6162 } 6163 SCTP_INP_RLOCK(inp); 6164 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 6165 SCTP_INP_RUNLOCK(inp); 6166 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 6167 return (EOPNOTSUPP); 6168 } 6169 if (so->so_state & SS_ISDISCONNECTED) { 6170 SCTP_INP_RUNLOCK(inp); 6171 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 6172 return (ECONNABORTED); 6173 } 6174 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6175 if (stcb == NULL) { 6176 SCTP_INP_RUNLOCK(inp); 6177 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6178 return (ECONNRESET); 6179 } 6180 SCTP_TCB_LOCK(stcb); 6181 SCTP_INP_RUNLOCK(inp); 6182 store = stcb->asoc.primary_destination->ro._l_addr; 6183 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 6184 SCTP_TCB_UNLOCK(stcb); 6185 switch (store.sa.sa_family) { 6186#ifdef INET 6187 case AF_INET: 6188 { 6189 struct sockaddr_in *sin; 6190 6191 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6192 if (sin == NULL) 6193 return (ENOMEM); 6194 sin->sin_family = AF_INET; 6195 sin->sin_len = sizeof(*sin); 6196 sin->sin_port = ((struct sockaddr_in *)&store)->sin_port; 6197 sin->sin_addr = ((struct sockaddr_in *)&store)->sin_addr; 6198 *addr = (struct sockaddr *)sin; 6199 break; 6200 } 6201#endif 6202#ifdef INET6 6203 case AF_INET6: 6204 { 6205 struct sockaddr_in6 *sin6; 6206 6207 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 6208 if (sin6 == NULL) 6209 return (ENOMEM); 6210 sin6->sin6_family = AF_INET6; 6211 sin6->sin6_len = sizeof(*sin6); 6212 sin6->sin6_port = ((struct sockaddr_in6 *)&store)->sin6_port; 6213 6214 sin6->sin6_addr = ((struct sockaddr_in6 *)&store)->sin6_addr; 6215 if ((error = sa6_recoverscope(sin6)) != 0) { 6216 SCTP_FREE_SONAME(sin6); 6217 return (error); 6218 } 6219 *addr = (struct sockaddr *)sin6; 6220 break; 6221 } 6222#endif 6223 default: 6224 /* TSNH */ 6225 break; 6226 } 6227 /* Wake any delayed sleep action */ 6228 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 6229 SCTP_INP_WLOCK(inp); 6230 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 6231 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 6232 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 6233 SCTP_INP_WUNLOCK(inp); 6234 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 6235 if (sowriteable(inp->sctp_socket)) { 6236 sowwakeup_locked(inp->sctp_socket); 6237 } else { 6238 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 6239 } 6240 SCTP_INP_WLOCK(inp); 6241 } 6242 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 6243 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 6244 SCTP_INP_WUNLOCK(inp); 6245 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 6246 if (soreadable(inp->sctp_socket)) { 6247 sctp_defered_wakeup_cnt++; 6248 sorwakeup_locked(inp->sctp_socket); 6249 } else { 6250 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 6251 } 6252 SCTP_INP_WLOCK(inp); 6253 } 6254 SCTP_INP_WUNLOCK(inp); 6255 } 6256 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 6257 SCTP_TCB_LOCK(stcb); 6258 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 6259 } 6260 return (0); 6261} 6262 6263#ifdef INET 6264int 6265sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 6266{ 6267 struct sockaddr_in *sin; 6268 uint32_t vrf_id; 6269 struct sctp_inpcb *inp; 6270 struct sctp_ifa *sctp_ifa; 6271 6272 /* 6273 * Do the malloc first in case it blocks. 6274 */ 6275 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6276 if (sin == NULL) 6277 return (ENOMEM); 6278 sin->sin_family = AF_INET; 6279 sin->sin_len = sizeof(*sin); 6280 inp = (struct sctp_inpcb *)so->so_pcb; 6281 if (!inp) { 6282 SCTP_FREE_SONAME(sin); 6283 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6284 return ECONNRESET; 6285 } 6286 SCTP_INP_RLOCK(inp); 6287 sin->sin_port = inp->sctp_lport; 6288 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 6289 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6290 struct sctp_tcb *stcb; 6291 struct sockaddr_in *sin_a; 6292 struct sctp_nets *net; 6293 int fnd; 6294 6295 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6296 if (stcb == NULL) { 6297 goto notConn; 6298 } 6299 fnd = 0; 6300 sin_a = NULL; 6301 SCTP_TCB_LOCK(stcb); 6302 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6303 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 6304 if (sin_a == NULL) 6305 /* this will make coverity happy */ 6306 continue; 6307 6308 if (sin_a->sin_family == AF_INET) { 6309 fnd = 1; 6310 break; 6311 } 6312 } 6313 if ((!fnd) || (sin_a == NULL)) { 6314 /* punt */ 6315 SCTP_TCB_UNLOCK(stcb); 6316 goto notConn; 6317 } 6318 vrf_id = inp->def_vrf_id; 6319 sctp_ifa = sctp_source_address_selection(inp, 6320 stcb, 6321 (sctp_route_t *) & net->ro, 6322 net, 0, vrf_id); 6323 if (sctp_ifa) { 6324 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 6325 sctp_free_ifa(sctp_ifa); 6326 } 6327 SCTP_TCB_UNLOCK(stcb); 6328 } else { 6329 /* For the bound all case you get back 0 */ 6330 notConn: 6331 sin->sin_addr.s_addr = 0; 6332 } 6333 6334 } else { 6335 /* Take the first IPv4 address in the list */ 6336 struct sctp_laddr *laddr; 6337 int fnd = 0; 6338 6339 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6340 if (laddr->ifa->address.sa.sa_family == AF_INET) { 6341 struct sockaddr_in *sin_a; 6342 6343 sin_a = (struct sockaddr_in *)&laddr->ifa->address.sa; 6344 sin->sin_addr = sin_a->sin_addr; 6345 fnd = 1; 6346 break; 6347 } 6348 } 6349 if (!fnd) { 6350 SCTP_FREE_SONAME(sin); 6351 SCTP_INP_RUNLOCK(inp); 6352 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 6353 return ENOENT; 6354 } 6355 } 6356 SCTP_INP_RUNLOCK(inp); 6357 (*addr) = (struct sockaddr *)sin; 6358 return (0); 6359} 6360 6361int 6362sctp_peeraddr(struct socket *so, struct sockaddr **addr) 6363{ 6364 struct sockaddr_in *sin = (struct sockaddr_in *)*addr; 6365 int fnd; 6366 struct sockaddr_in *sin_a; 6367 struct sctp_inpcb *inp; 6368 struct sctp_tcb *stcb; 6369 struct sctp_nets *net; 6370 6371 /* Do the malloc first in case it blocks. */ 6372 inp = (struct sctp_inpcb *)so->so_pcb; 6373 if ((inp == NULL) || 6374 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 6375 /* UDP type and listeners will drop out here */ 6376 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 6377 return (ENOTCONN); 6378 } 6379 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6380 if (sin == NULL) 6381 return (ENOMEM); 6382 sin->sin_family = AF_INET; 6383 sin->sin_len = sizeof(*sin); 6384 6385 /* We must recapture incase we blocked */ 6386 inp = (struct sctp_inpcb *)so->so_pcb; 6387 if (!inp) { 6388 SCTP_FREE_SONAME(sin); 6389 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6390 return ECONNRESET; 6391 } 6392 SCTP_INP_RLOCK(inp); 6393 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6394 if (stcb) { 6395 SCTP_TCB_LOCK(stcb); 6396 } 6397 SCTP_INP_RUNLOCK(inp); 6398 if (stcb == NULL) { 6399 SCTP_FREE_SONAME(sin); 6400 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6401 return ECONNRESET; 6402 } 6403 fnd = 0; 6404 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6405 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 6406 if (sin_a->sin_family == AF_INET) { 6407 fnd = 1; 6408 sin->sin_port = stcb->rport; 6409 sin->sin_addr = sin_a->sin_addr; 6410 break; 6411 } 6412 } 6413 SCTP_TCB_UNLOCK(stcb); 6414 if (!fnd) { 6415 /* No IPv4 address */ 6416 SCTP_FREE_SONAME(sin); 6417 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 6418 return ENOENT; 6419 } 6420 (*addr) = (struct sockaddr *)sin; 6421 return (0); 6422} 6423 6424#ifdef INET 6425struct pr_usrreqs sctp_usrreqs = { 6426 .pru_abort = sctp_abort, 6427 .pru_accept = sctp_accept, 6428 .pru_attach = sctp_attach, 6429 .pru_bind = sctp_bind, 6430 .pru_connect = sctp_connect, 6431 .pru_control = in_control, 6432 .pru_close = sctp_close, 6433 .pru_detach = sctp_close, 6434 .pru_sopoll = sopoll_generic, 6435 .pru_flush = sctp_flush, 6436 .pru_disconnect = sctp_disconnect, 6437 .pru_listen = sctp_listen, 6438 .pru_peeraddr = sctp_peeraddr, 6439 .pru_send = sctp_sendm, 6440 .pru_shutdown = sctp_shutdown, 6441 .pru_sockaddr = sctp_ingetaddr, 6442 .pru_sosend = sctp_sosend, 6443 .pru_soreceive = sctp_soreceive 6444}; 6445 6446#endif 6447#endif 6448