sctp_usrreq.c revision 237715
1/*- 2 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 4 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * a) Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * b) Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the distribution. 15 * 16 * c) Neither the name of Cisco Systems, Inc. nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33#include <sys/cdefs.h> 34__FBSDID("$FreeBSD: head/sys/netinet/sctp_usrreq.c 237715 2012-06-28 16:01:08Z tuexen $"); 35 36#include <netinet/sctp_os.h> 37#include <sys/proc.h> 38#include <netinet/sctp_pcb.h> 39#include <netinet/sctp_header.h> 40#include <netinet/sctp_var.h> 41#if defined(INET6) 42#endif 43#include <netinet/sctp_sysctl.h> 44#include <netinet/sctp_output.h> 45#include <netinet/sctp_uio.h> 46#include <netinet/sctp_asconf.h> 47#include <netinet/sctputil.h> 48#include <netinet/sctp_indata.h> 49#include <netinet/sctp_timer.h> 50#include <netinet/sctp_auth.h> 51#include <netinet/sctp_bsd_addr.h> 52#include <netinet/udp.h> 53 54 55 56extern struct sctp_cc_functions sctp_cc_functions[]; 57extern struct sctp_ss_functions sctp_ss_functions[]; 58 59void 60sctp_init(void) 61{ 62 u_long sb_max_adj; 63 64 /* Initialize and modify the sysctled variables */ 65 sctp_init_sysctls(); 66 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 67 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 68 /* 69 * Allow a user to take no more than 1/2 the number of clusters or 70 * the SB_MAX whichever is smaller for the send window. 71 */ 72 sb_max_adj = (u_long)((u_quad_t) (SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 73 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 74 (((uint32_t) nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT)); 75 /* 76 * Now for the recv window, should we take the same amount? or 77 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 78 * now I will just copy. 79 */ 80 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 81 SCTP_BASE_VAR(first_time) = 0; 82 SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 83 sctp_pcb_init(); 84#if defined(SCTP_PACKET_LOGGING) 85 SCTP_BASE_VAR(packet_log_writers) = 0; 86 SCTP_BASE_VAR(packet_log_end) = 0; 87 bzero(&SCTP_BASE_VAR(packet_log_buffer), SCTP_PACKET_LOG_SIZE); 88#endif 89} 90 91void 92sctp_finish(void) 93{ 94 sctp_pcb_finish(); 95} 96 97 98 99void 100sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz) 101{ 102 struct sctp_tmit_chunk *chk; 103 uint16_t overhead; 104 105 /* Adjust that too */ 106 stcb->asoc.smallest_mtu = nxtsz; 107 /* now off to subtract IP_DF flag if needed */ 108 overhead = IP_HDR_SIZE; 109 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) { 110 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id); 111 } 112 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) { 113 if ((chk->send_size + overhead) > nxtsz) { 114 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 115 } 116 } 117 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) { 118 if ((chk->send_size + overhead) > nxtsz) { 119 /* 120 * For this guy we also mark for immediate resend 121 * since we sent to big of chunk 122 */ 123 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 124 if (chk->sent < SCTP_DATAGRAM_RESEND) { 125 sctp_flight_size_decrease(chk); 126 sctp_total_flight_decrease(stcb, chk); 127 } 128 if (chk->sent != SCTP_DATAGRAM_RESEND) { 129 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt); 130 } 131 chk->sent = SCTP_DATAGRAM_RESEND; 132 chk->rec.data.doing_fast_retransmit = 0; 133 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 134 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 135 chk->whoTo->flight_size, 136 chk->book_size, 137 (uintptr_t) chk->whoTo, 138 chk->rec.data.TSN_seq); 139 } 140 /* Clear any time so NO RTT is being done */ 141 chk->do_rtt = 0; 142 } 143 } 144} 145 146#ifdef INET 147static void 148sctp_notify_mbuf(struct sctp_inpcb *inp, 149 struct sctp_tcb *stcb, 150 struct sctp_nets *net, 151 struct ip *ip, 152 struct sctphdr *sh) 153{ 154 struct icmp *icmph; 155 int totsz, tmr_stopped = 0; 156 uint16_t nxtsz; 157 158 /* protection */ 159 if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 160 (ip == NULL) || (sh == NULL)) { 161 if (stcb != NULL) { 162 SCTP_TCB_UNLOCK(stcb); 163 } 164 return; 165 } 166 /* First job is to verify the vtag matches what I would send */ 167 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 168 SCTP_TCB_UNLOCK(stcb); 169 return; 170 } 171 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 172 sizeof(struct ip))); 173 if (icmph->icmp_type != ICMP_UNREACH) { 174 /* We only care about unreachable */ 175 SCTP_TCB_UNLOCK(stcb); 176 return; 177 } 178 if (icmph->icmp_code != ICMP_UNREACH_NEEDFRAG) { 179 /* not a unreachable message due to frag. */ 180 SCTP_TCB_UNLOCK(stcb); 181 return; 182 } 183 totsz = ip->ip_len; 184 185 nxtsz = ntohs(icmph->icmp_nextmtu); 186 if (nxtsz == 0) { 187 /* 188 * old type router that does not tell us what the next size 189 * mtu is. Rats we will have to guess (in a educated fashion 190 * of course) 191 */ 192 nxtsz = sctp_get_prev_mtu(totsz); 193 } 194 /* Stop any PMTU timer */ 195 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 196 tmr_stopped = 1; 197 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 198 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 199 } 200 /* Adjust destination size limit */ 201 if (net->mtu > nxtsz) { 202 net->mtu = nxtsz; 203 if (net->port) { 204 net->mtu -= sizeof(struct udphdr); 205 } 206 } 207 /* now what about the ep? */ 208 if (stcb->asoc.smallest_mtu > nxtsz) { 209 sctp_pathmtu_adjustment(stcb, nxtsz); 210 } 211 if (tmr_stopped) 212 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 213 214 SCTP_TCB_UNLOCK(stcb); 215} 216 217#endif 218 219void 220sctp_notify(struct sctp_inpcb *inp, 221 struct ip *ip, 222 struct sctphdr *sh, 223 struct sockaddr *to, 224 struct sctp_tcb *stcb, 225 struct sctp_nets *net) 226{ 227#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 228 struct socket *so; 229 230#endif 231 struct icmp *icmph; 232 233 /* protection */ 234 if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 235 (sh == NULL) || (to == NULL)) { 236 if (stcb) 237 SCTP_TCB_UNLOCK(stcb); 238 return; 239 } 240 /* First job is to verify the vtag matches what I would send */ 241 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 242 SCTP_TCB_UNLOCK(stcb); 243 return; 244 } 245 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 246 sizeof(struct ip))); 247 if (icmph->icmp_type != ICMP_UNREACH) { 248 /* We only care about unreachable */ 249 SCTP_TCB_UNLOCK(stcb); 250 return; 251 } 252 if ((icmph->icmp_code == ICMP_UNREACH_NET) || 253 (icmph->icmp_code == ICMP_UNREACH_HOST) || 254 (icmph->icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 255 (icmph->icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 256 (icmph->icmp_code == ICMP_UNREACH_ISOLATED) || 257 (icmph->icmp_code == ICMP_UNREACH_NET_PROHIB) || 258 (icmph->icmp_code == ICMP_UNREACH_HOST_PROHIB) || 259 (icmph->icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 260 261 /* 262 * Hmm reachablity problems we must examine closely. If its 263 * not reachable, we may have lost a network. Or if there is 264 * NO protocol at the other end named SCTP. well we consider 265 * it a OOTB abort. 266 */ 267 if (net->dest_state & SCTP_ADDR_REACHABLE) { 268 /* Ok that destination is NOT reachable */ 269 net->dest_state &= ~SCTP_ADDR_REACHABLE; 270 net->dest_state &= ~SCTP_ADDR_PF; 271 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 272 stcb, 0, 273 (void *)net, SCTP_SO_NOT_LOCKED); 274 } 275 SCTP_TCB_UNLOCK(stcb); 276 } else if ((icmph->icmp_code == ICMP_UNREACH_PROTOCOL) || 277 (icmph->icmp_code == ICMP_UNREACH_PORT)) { 278 /* 279 * Here the peer is either playing tricks on us, including 280 * an address that belongs to someone who does not support 281 * SCTP OR was a userland implementation that shutdown and 282 * now is dead. In either case treat it like a OOTB abort 283 * with no TCB 284 */ 285 sctp_abort_notification(stcb, 1, 0, NULL, SCTP_SO_NOT_LOCKED); 286#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 287 so = SCTP_INP_SO(inp); 288 atomic_add_int(&stcb->asoc.refcnt, 1); 289 SCTP_TCB_UNLOCK(stcb); 290 SCTP_SOCKET_LOCK(so, 1); 291 SCTP_TCB_LOCK(stcb); 292 atomic_subtract_int(&stcb->asoc.refcnt, 1); 293#endif 294 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 295#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 296 SCTP_SOCKET_UNLOCK(so, 1); 297 /* SCTP_TCB_UNLOCK(stcb); MT: I think this is not needed. */ 298#endif 299 /* no need to unlock here, since the TCB is gone */ 300 } else { 301 SCTP_TCB_UNLOCK(stcb); 302 } 303} 304 305#ifdef INET 306void 307sctp_ctlinput(cmd, sa, vip) 308 int cmd; 309 struct sockaddr *sa; 310 void *vip; 311{ 312 struct ip *ip = vip; 313 struct sctphdr *sh; 314 uint32_t vrf_id; 315 316 /* FIX, for non-bsd is this right? */ 317 vrf_id = SCTP_DEFAULT_VRFID; 318 if (sa->sa_family != AF_INET || 319 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 320 return; 321 } 322 if (PRC_IS_REDIRECT(cmd)) { 323 ip = 0; 324 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 325 return; 326 } 327 if (ip) { 328 struct sctp_inpcb *inp = NULL; 329 struct sctp_tcb *stcb = NULL; 330 struct sctp_nets *net = NULL; 331 struct sockaddr_in to, from; 332 333 sh = (struct sctphdr *)((caddr_t)ip + (ip->ip_hl << 2)); 334 bzero(&to, sizeof(to)); 335 bzero(&from, sizeof(from)); 336 from.sin_family = to.sin_family = AF_INET; 337 from.sin_len = to.sin_len = sizeof(to); 338 from.sin_port = sh->src_port; 339 from.sin_addr = ip->ip_src; 340 to.sin_port = sh->dest_port; 341 to.sin_addr = ip->ip_dst; 342 343 /* 344 * 'to' holds the dest of the packet that failed to be sent. 345 * 'from' holds our local endpoint address. Thus we reverse 346 * the to and the from in the lookup. 347 */ 348 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&to, 349 (struct sockaddr *)&from, 350 &inp, &net, 1, vrf_id); 351 if (stcb != NULL && inp && (inp->sctp_socket != NULL)) { 352 if (cmd != PRC_MSGSIZE) { 353 sctp_notify(inp, ip, sh, 354 (struct sockaddr *)&to, stcb, 355 net); 356 } else { 357 /* handle possible ICMP size messages */ 358 sctp_notify_mbuf(inp, stcb, net, ip, sh); 359 } 360 } else { 361 if ((stcb == NULL) && (inp != NULL)) { 362 /* reduce ref-count */ 363 SCTP_INP_WLOCK(inp); 364 SCTP_INP_DECR_REF(inp); 365 SCTP_INP_WUNLOCK(inp); 366 } 367 if (stcb) { 368 SCTP_TCB_UNLOCK(stcb); 369 } 370 } 371 } 372 return; 373} 374 375#endif 376 377static int 378sctp_getcred(SYSCTL_HANDLER_ARGS) 379{ 380 struct xucred xuc; 381 struct sockaddr_in addrs[2]; 382 struct sctp_inpcb *inp; 383 struct sctp_nets *net; 384 struct sctp_tcb *stcb; 385 int error; 386 uint32_t vrf_id; 387 388 /* FIX, for non-bsd is this right? */ 389 vrf_id = SCTP_DEFAULT_VRFID; 390 391 error = priv_check(req->td, PRIV_NETINET_GETCRED); 392 393 if (error) 394 return (error); 395 396 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 397 if (error) 398 return (error); 399 400 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), 401 sintosa(&addrs[0]), 402 &inp, &net, 1, vrf_id); 403 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 404 if ((inp != NULL) && (stcb == NULL)) { 405 /* reduce ref-count */ 406 SCTP_INP_WLOCK(inp); 407 SCTP_INP_DECR_REF(inp); 408 goto cred_can_cont; 409 } 410 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 411 error = ENOENT; 412 goto out; 413 } 414 SCTP_TCB_UNLOCK(stcb); 415 /* 416 * We use the write lock here, only since in the error leg we need 417 * it. If we used RLOCK, then we would have to 418 * wlock/decr/unlock/rlock. Which in theory could create a hole. 419 * Better to use higher wlock. 420 */ 421 SCTP_INP_WLOCK(inp); 422cred_can_cont: 423 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 424 if (error) { 425 SCTP_INP_WUNLOCK(inp); 426 goto out; 427 } 428 cru2x(inp->sctp_socket->so_cred, &xuc); 429 SCTP_INP_WUNLOCK(inp); 430 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 431out: 432 return (error); 433} 434 435SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW, 436 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection"); 437 438 439#ifdef INET 440static void 441sctp_abort(struct socket *so) 442{ 443 struct sctp_inpcb *inp; 444 uint32_t flags; 445 446 inp = (struct sctp_inpcb *)so->so_pcb; 447 if (inp == NULL) { 448 return; 449 } 450sctp_must_try_again: 451 flags = inp->sctp_flags; 452#ifdef SCTP_LOG_CLOSING 453 sctp_log_closing(inp, NULL, 17); 454#endif 455 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 456 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 457#ifdef SCTP_LOG_CLOSING 458 sctp_log_closing(inp, NULL, 16); 459#endif 460 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 461 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 462 SOCK_LOCK(so); 463 SCTP_SB_CLEAR(so->so_snd); 464 /* 465 * same for the rcv ones, they are only here for the 466 * accounting/select. 467 */ 468 SCTP_SB_CLEAR(so->so_rcv); 469 470 /* Now null out the reference, we are completely detached. */ 471 so->so_pcb = NULL; 472 SOCK_UNLOCK(so); 473 } else { 474 flags = inp->sctp_flags; 475 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 476 goto sctp_must_try_again; 477 } 478 } 479 return; 480} 481 482static int 483sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 484{ 485 struct sctp_inpcb *inp; 486 struct inpcb *ip_inp; 487 int error; 488 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 489 490#ifdef IPSEC 491 uint32_t flags; 492 493#endif 494 495 inp = (struct sctp_inpcb *)so->so_pcb; 496 if (inp != 0) { 497 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 498 return (EINVAL); 499 } 500 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 501 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 502 if (error) { 503 return (error); 504 } 505 } 506 error = sctp_inpcb_alloc(so, vrf_id); 507 if (error) { 508 return (error); 509 } 510 inp = (struct sctp_inpcb *)so->so_pcb; 511 SCTP_INP_WLOCK(inp); 512 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 513 ip_inp = &inp->ip_inp.inp; 514 ip_inp->inp_vflag |= INP_IPV4; 515 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 516#ifdef IPSEC 517 error = ipsec_init_policy(so, &ip_inp->inp_sp); 518#ifdef SCTP_LOG_CLOSING 519 sctp_log_closing(inp, NULL, 17); 520#endif 521 if (error != 0) { 522try_again: 523 flags = inp->sctp_flags; 524 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 525 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 526#ifdef SCTP_LOG_CLOSING 527 sctp_log_closing(inp, NULL, 15); 528#endif 529 SCTP_INP_WUNLOCK(inp); 530 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 531 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 532 } else { 533 flags = inp->sctp_flags; 534 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 535 goto try_again; 536 } else { 537 SCTP_INP_WUNLOCK(inp); 538 } 539 } 540 return (error); 541 } 542#endif /* IPSEC */ 543 SCTP_INP_WUNLOCK(inp); 544 return (0); 545} 546 547static int 548sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 549{ 550 struct sctp_inpcb *inp = NULL; 551 int error; 552 553#ifdef INET 554 if (addr && addr->sa_family != AF_INET) { 555 /* must be a v4 address! */ 556 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 557 return (EINVAL); 558 } 559#endif /* INET6 */ 560 if (addr && (addr->sa_len != sizeof(struct sockaddr_in))) { 561 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 562 return (EINVAL); 563 } 564 inp = (struct sctp_inpcb *)so->so_pcb; 565 if (inp == NULL) { 566 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 567 return (EINVAL); 568 } 569 error = sctp_inpcb_bind(so, addr, NULL, p); 570 return (error); 571} 572 573#endif 574void 575sctp_close(struct socket *so) 576{ 577 struct sctp_inpcb *inp; 578 uint32_t flags; 579 580 inp = (struct sctp_inpcb *)so->so_pcb; 581 if (inp == NULL) 582 return; 583 584 /* 585 * Inform all the lower layer assoc that we are done. 586 */ 587sctp_must_try_again: 588 flags = inp->sctp_flags; 589#ifdef SCTP_LOG_CLOSING 590 sctp_log_closing(inp, NULL, 17); 591#endif 592 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 593 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 594 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 595 (so->so_rcv.sb_cc > 0)) { 596#ifdef SCTP_LOG_CLOSING 597 sctp_log_closing(inp, NULL, 13); 598#endif 599 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 600 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 601 } else { 602#ifdef SCTP_LOG_CLOSING 603 sctp_log_closing(inp, NULL, 14); 604#endif 605 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 606 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 607 } 608 /* 609 * The socket is now detached, no matter what the state of 610 * the SCTP association. 611 */ 612 SOCK_LOCK(so); 613 SCTP_SB_CLEAR(so->so_snd); 614 /* 615 * same for the rcv ones, they are only here for the 616 * accounting/select. 617 */ 618 SCTP_SB_CLEAR(so->so_rcv); 619 620 /* Now null out the reference, we are completely detached. */ 621 so->so_pcb = NULL; 622 SOCK_UNLOCK(so); 623 } else { 624 flags = inp->sctp_flags; 625 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 626 goto sctp_must_try_again; 627 } 628 } 629 return; 630} 631 632 633int 634sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 635 struct mbuf *control, struct thread *p); 636 637 638int 639sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 640 struct mbuf *control, struct thread *p) 641{ 642 struct sctp_inpcb *inp; 643 int error; 644 645 inp = (struct sctp_inpcb *)so->so_pcb; 646 if (inp == NULL) { 647 if (control) { 648 sctp_m_freem(control); 649 control = NULL; 650 } 651 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 652 sctp_m_freem(m); 653 return (EINVAL); 654 } 655 /* Got to have an to address if we are NOT a connected socket */ 656 if ((addr == NULL) && 657 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 658 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 659 goto connected_type; 660 } else if (addr == NULL) { 661 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 662 error = EDESTADDRREQ; 663 sctp_m_freem(m); 664 if (control) { 665 sctp_m_freem(control); 666 control = NULL; 667 } 668 return (error); 669 } 670#ifdef INET6 671 if (addr->sa_family != AF_INET) { 672 /* must be a v4 address! */ 673 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 674 sctp_m_freem(m); 675 if (control) { 676 sctp_m_freem(control); 677 control = NULL; 678 } 679 error = EDESTADDRREQ; 680 return (error); 681 } 682#endif /* INET6 */ 683connected_type: 684 /* now what about control */ 685 if (control) { 686 if (inp->control) { 687 SCTP_PRINTF("huh? control set?\n"); 688 sctp_m_freem(inp->control); 689 inp->control = NULL; 690 } 691 inp->control = control; 692 } 693 /* Place the data */ 694 if (inp->pkt) { 695 SCTP_BUF_NEXT(inp->pkt_last) = m; 696 inp->pkt_last = m; 697 } else { 698 inp->pkt_last = inp->pkt = m; 699 } 700 if ( 701 /* FreeBSD uses a flag passed */ 702 ((flags & PRUS_MORETOCOME) == 0) 703 ) { 704 /* 705 * note with the current version this code will only be used 706 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 707 * re-defining sosend to use the sctp_sosend. One can 708 * optionally switch back to this code (by changing back the 709 * definitions) but this is not advisable. This code is used 710 * by FreeBSD when sending a file with sendfile() though. 711 */ 712 int ret; 713 714 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 715 inp->pkt = NULL; 716 inp->control = NULL; 717 return (ret); 718 } else { 719 return (0); 720 } 721} 722 723int 724sctp_disconnect(struct socket *so) 725{ 726 struct sctp_inpcb *inp; 727 728 inp = (struct sctp_inpcb *)so->so_pcb; 729 if (inp == NULL) { 730 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 731 return (ENOTCONN); 732 } 733 SCTP_INP_RLOCK(inp); 734 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 735 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 736 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 737 /* No connection */ 738 SCTP_INP_RUNLOCK(inp); 739 return (0); 740 } else { 741 struct sctp_association *asoc; 742 struct sctp_tcb *stcb; 743 744 stcb = LIST_FIRST(&inp->sctp_asoc_list); 745 if (stcb == NULL) { 746 SCTP_INP_RUNLOCK(inp); 747 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 748 return (EINVAL); 749 } 750 SCTP_TCB_LOCK(stcb); 751 asoc = &stcb->asoc; 752 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 753 /* We are about to be freed, out of here */ 754 SCTP_TCB_UNLOCK(stcb); 755 SCTP_INP_RUNLOCK(inp); 756 return (0); 757 } 758 if (((so->so_options & SO_LINGER) && 759 (so->so_linger == 0)) || 760 (so->so_rcv.sb_cc > 0)) { 761 if (SCTP_GET_STATE(asoc) != 762 SCTP_STATE_COOKIE_WAIT) { 763 /* Left with Data unread */ 764 struct mbuf *err; 765 766 err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_DONTWAIT, 1, MT_DATA); 767 if (err) { 768 /* 769 * Fill in the user 770 * initiated abort 771 */ 772 struct sctp_paramhdr *ph; 773 774 ph = mtod(err, struct sctp_paramhdr *); 775 SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr); 776 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT); 777 ph->param_length = htons(SCTP_BUF_LEN(err)); 778 } 779 sctp_send_abort_tcb(stcb, err, SCTP_SO_LOCKED); 780 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 781 } 782 SCTP_INP_RUNLOCK(inp); 783 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 784 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 785 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 786 } 787 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 788 /* No unlock tcb assoc is gone */ 789 return (0); 790 } 791 if (TAILQ_EMPTY(&asoc->send_queue) && 792 TAILQ_EMPTY(&asoc->sent_queue) && 793 (asoc->stream_queue_cnt == 0)) { 794 /* there is nothing queued to send, so done */ 795 if (asoc->locked_on_sending) { 796 goto abort_anyway; 797 } 798 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) && 799 (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 800 /* only send SHUTDOWN 1st time thru */ 801 struct sctp_nets *netp; 802 803 if (stcb->asoc.alternate) { 804 netp = stcb->asoc.alternate; 805 } else { 806 netp = stcb->asoc.primary_destination; 807 } 808 sctp_stop_timers_for_shutdown(stcb); 809 sctp_send_shutdown(stcb, netp); 810 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 811 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 812 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 813 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 814 } 815 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 816 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 817 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 818 stcb->sctp_ep, stcb, netp); 819 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 820 stcb->sctp_ep, stcb, netp); 821 822 } 823 } else { 824 /* 825 * we still got (or just got) data to send, 826 * so set SHUTDOWN_PENDING 827 */ 828 /* 829 * XXX sockets draft says that SCTP_EOF 830 * should be sent with no data. currently, 831 * we will allow user data to be sent first 832 * and move to SHUTDOWN-PENDING 833 */ 834 struct sctp_nets *netp; 835 836 if (stcb->asoc.alternate) { 837 netp = stcb->asoc.alternate; 838 } else { 839 netp = stcb->asoc.primary_destination; 840 } 841 842 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 843 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 844 netp); 845 if (asoc->locked_on_sending) { 846 /* Locked to send out the data */ 847 struct sctp_stream_queue_pending *sp; 848 849 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 850 if (sp == NULL) { 851 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 852 asoc->locked_on_sending->stream_no); 853 } else { 854 if ((sp->length == 0) && (sp->msg_is_complete == 0)) 855 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 856 } 857 } 858 if (TAILQ_EMPTY(&asoc->send_queue) && 859 TAILQ_EMPTY(&asoc->sent_queue) && 860 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 861 struct mbuf *op_err; 862 863 abort_anyway: 864 op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)), 865 0, M_DONTWAIT, 1, MT_DATA); 866 if (op_err) { 867 /* 868 * Fill in the user 869 * initiated abort 870 */ 871 struct sctp_paramhdr *ph; 872 uint32_t *ippp; 873 874 SCTP_BUF_LEN(op_err) = 875 (sizeof(struct sctp_paramhdr) + sizeof(uint32_t)); 876 ph = mtod(op_err, 877 struct sctp_paramhdr *); 878 ph->param_type = htons( 879 SCTP_CAUSE_USER_INITIATED_ABT); 880 ph->param_length = htons(SCTP_BUF_LEN(op_err)); 881 ippp = (uint32_t *) (ph + 1); 882 *ippp = htonl(SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4); 883 } 884 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 885 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 886 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 887 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 888 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 889 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 890 } 891 SCTP_INP_RUNLOCK(inp); 892 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 893 return (0); 894 } else { 895 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 896 } 897 } 898 soisdisconnecting(so); 899 SCTP_TCB_UNLOCK(stcb); 900 SCTP_INP_RUNLOCK(inp); 901 return (0); 902 } 903 /* not reached */ 904 } else { 905 /* UDP model does not support this */ 906 SCTP_INP_RUNLOCK(inp); 907 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 908 return (EOPNOTSUPP); 909 } 910} 911 912int 913sctp_flush(struct socket *so, int how) 914{ 915 /* 916 * We will just clear out the values and let subsequent close clear 917 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 918 * they will not be able to read the data, the socket will block 919 * that from happening. 920 */ 921 struct sctp_inpcb *inp; 922 923 inp = (struct sctp_inpcb *)so->so_pcb; 924 if (inp == NULL) { 925 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 926 return (EINVAL); 927 } 928 SCTP_INP_RLOCK(inp); 929 /* For the 1 to many model this does nothing */ 930 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 931 SCTP_INP_RUNLOCK(inp); 932 return (0); 933 } 934 SCTP_INP_RUNLOCK(inp); 935 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 936 /* 937 * First make sure the sb will be happy, we don't use these 938 * except maybe the count 939 */ 940 SCTP_INP_WLOCK(inp); 941 SCTP_INP_READ_LOCK(inp); 942 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 943 SCTP_INP_READ_UNLOCK(inp); 944 SCTP_INP_WUNLOCK(inp); 945 so->so_rcv.sb_cc = 0; 946 so->so_rcv.sb_mbcnt = 0; 947 so->so_rcv.sb_mb = NULL; 948 } 949 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 950 /* 951 * First make sure the sb will be happy, we don't use these 952 * except maybe the count 953 */ 954 so->so_snd.sb_cc = 0; 955 so->so_snd.sb_mbcnt = 0; 956 so->so_snd.sb_mb = NULL; 957 958 } 959 return (0); 960} 961 962int 963sctp_shutdown(struct socket *so) 964{ 965 struct sctp_inpcb *inp; 966 967 inp = (struct sctp_inpcb *)so->so_pcb; 968 if (inp == NULL) { 969 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 970 return (EINVAL); 971 } 972 SCTP_INP_RLOCK(inp); 973 /* For UDP model this is a invalid call */ 974 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 975 /* Restore the flags that the soshutdown took away. */ 976 SOCKBUF_LOCK(&so->so_rcv); 977 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 978 SOCKBUF_UNLOCK(&so->so_rcv); 979 /* This proc will wakeup for read and do nothing (I hope) */ 980 SCTP_INP_RUNLOCK(inp); 981 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 982 return (EOPNOTSUPP); 983 } 984 /* 985 * Ok if we reach here its the TCP model and it is either a SHUT_WR 986 * or SHUT_RDWR. This means we put the shutdown flag against it. 987 */ 988 { 989 struct sctp_tcb *stcb; 990 struct sctp_association *asoc; 991 992 if ((so->so_state & 993 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 994 SCTP_INP_RUNLOCK(inp); 995 return (ENOTCONN); 996 } 997 socantsendmore(so); 998 999 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1000 if (stcb == NULL) { 1001 /* 1002 * Ok we hit the case that the shutdown call was 1003 * made after an abort or something. Nothing to do 1004 * now. 1005 */ 1006 SCTP_INP_RUNLOCK(inp); 1007 return (0); 1008 } 1009 SCTP_TCB_LOCK(stcb); 1010 asoc = &stcb->asoc; 1011 if (TAILQ_EMPTY(&asoc->send_queue) && 1012 TAILQ_EMPTY(&asoc->sent_queue) && 1013 (asoc->stream_queue_cnt == 0)) { 1014 if (asoc->locked_on_sending) { 1015 goto abort_anyway; 1016 } 1017 /* there is nothing queued to send, so I'm done... */ 1018 if (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) { 1019 /* only send SHUTDOWN the first time through */ 1020 struct sctp_nets *netp; 1021 1022 if (stcb->asoc.alternate) { 1023 netp = stcb->asoc.alternate; 1024 } else { 1025 netp = stcb->asoc.primary_destination; 1026 } 1027 sctp_stop_timers_for_shutdown(stcb); 1028 sctp_send_shutdown(stcb, netp); 1029 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 1030 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 1031 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 1032 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 1033 } 1034 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 1035 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 1036 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 1037 stcb->sctp_ep, stcb, netp); 1038 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 1039 stcb->sctp_ep, stcb, netp); 1040 } 1041 } else { 1042 /* 1043 * we still got (or just got) data to send, so set 1044 * SHUTDOWN_PENDING 1045 */ 1046 struct sctp_nets *netp; 1047 1048 if (stcb->asoc.alternate) { 1049 netp = stcb->asoc.alternate; 1050 } else { 1051 netp = stcb->asoc.primary_destination; 1052 } 1053 1054 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 1055 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 1056 netp); 1057 1058 if (asoc->locked_on_sending) { 1059 /* Locked to send out the data */ 1060 struct sctp_stream_queue_pending *sp; 1061 1062 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 1063 if (sp == NULL) { 1064 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 1065 asoc->locked_on_sending->stream_no); 1066 } else { 1067 if ((sp->length == 0) && (sp->msg_is_complete == 0)) { 1068 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 1069 } 1070 } 1071 } 1072 if (TAILQ_EMPTY(&asoc->send_queue) && 1073 TAILQ_EMPTY(&asoc->sent_queue) && 1074 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 1075 struct mbuf *op_err; 1076 1077 abort_anyway: 1078 op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)), 1079 0, M_DONTWAIT, 1, MT_DATA); 1080 if (op_err) { 1081 /* Fill in the user initiated abort */ 1082 struct sctp_paramhdr *ph; 1083 uint32_t *ippp; 1084 1085 SCTP_BUF_LEN(op_err) = 1086 sizeof(struct sctp_paramhdr) + sizeof(uint32_t); 1087 ph = mtod(op_err, 1088 struct sctp_paramhdr *); 1089 ph->param_type = htons( 1090 SCTP_CAUSE_USER_INITIATED_ABT); 1091 ph->param_length = htons(SCTP_BUF_LEN(op_err)); 1092 ippp = (uint32_t *) (ph + 1); 1093 *ippp = htonl(SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6); 1094 } 1095 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 1096 sctp_abort_an_association(stcb->sctp_ep, stcb, 1097 op_err, SCTP_SO_LOCKED); 1098 goto skip_unlock; 1099 } else { 1100 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 1101 } 1102 } 1103 SCTP_TCB_UNLOCK(stcb); 1104 } 1105skip_unlock: 1106 SCTP_INP_RUNLOCK(inp); 1107 return (0); 1108} 1109 1110/* 1111 * copies a "user" presentable address and removes embedded scope, etc. 1112 * returns 0 on success, 1 on error 1113 */ 1114static uint32_t 1115sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 1116{ 1117#ifdef INET6 1118 struct sockaddr_in6 lsa6; 1119 1120 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 1121 &lsa6); 1122#endif 1123 memcpy(ss, sa, sa->sa_len); 1124 return (0); 1125} 1126 1127 1128 1129/* 1130 * NOTE: assumes addr lock is held 1131 */ 1132static size_t 1133sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1134 struct sctp_tcb *stcb, 1135 size_t limit, 1136 struct sockaddr_storage *sas, 1137 uint32_t vrf_id) 1138{ 1139 struct sctp_ifn *sctp_ifn; 1140 struct sctp_ifa *sctp_ifa; 1141 int loopback_scope, ipv4_local_scope, local_scope, site_scope; 1142 size_t actual; 1143 int ipv4_addr_legal, ipv6_addr_legal; 1144 struct sctp_vrf *vrf; 1145 1146 actual = 0; 1147 if (limit <= 0) 1148 return (actual); 1149 1150 if (stcb) { 1151 /* Turn on all the appropriate scope */ 1152 loopback_scope = stcb->asoc.loopback_scope; 1153 ipv4_local_scope = stcb->asoc.ipv4_local_scope; 1154 local_scope = stcb->asoc.local_scope; 1155 site_scope = stcb->asoc.site_scope; 1156 } else { 1157 /* Turn on ALL scope, since we look at the EP */ 1158 loopback_scope = ipv4_local_scope = local_scope = 1159 site_scope = 1; 1160 } 1161 ipv4_addr_legal = ipv6_addr_legal = 0; 1162 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1163 ipv6_addr_legal = 1; 1164 if (SCTP_IPV6_V6ONLY(inp) == 0) { 1165 ipv4_addr_legal = 1; 1166 } 1167 } else { 1168 ipv4_addr_legal = 1; 1169 } 1170 vrf = sctp_find_vrf(vrf_id); 1171 if (vrf == NULL) { 1172 return (0); 1173 } 1174 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1175 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1176 if ((loopback_scope == 0) && 1177 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1178 /* Skip loopback if loopback_scope not set */ 1179 continue; 1180 } 1181 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1182 if (stcb) { 1183 /* 1184 * For the BOUND-ALL case, the list 1185 * associated with a TCB is Always 1186 * considered a reverse list.. i.e. 1187 * it lists addresses that are NOT 1188 * part of the association. If this 1189 * is one of those we must skip it. 1190 */ 1191 if (sctp_is_addr_restricted(stcb, 1192 sctp_ifa)) { 1193 continue; 1194 } 1195 } 1196 switch (sctp_ifa->address.sa.sa_family) { 1197#ifdef INET 1198 case AF_INET: 1199 if (ipv4_addr_legal) { 1200 struct sockaddr_in *sin; 1201 1202 sin = (struct sockaddr_in *)&sctp_ifa->address.sa; 1203 if (sin->sin_addr.s_addr == 0) { 1204 /* 1205 * we skip 1206 * unspecifed 1207 * addresses 1208 */ 1209 continue; 1210 } 1211 if ((ipv4_local_scope == 0) && 1212 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1213 continue; 1214 } 1215#ifdef INET6 1216 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1217 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1218 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1219 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1220 actual += sizeof(struct sockaddr_in6); 1221 } else { 1222#endif 1223 memcpy(sas, sin, sizeof(*sin)); 1224 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1225 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin)); 1226 actual += sizeof(*sin); 1227#ifdef INET6 1228 } 1229#endif 1230 if (actual >= limit) { 1231 return (actual); 1232 } 1233 } else { 1234 continue; 1235 } 1236 break; 1237#endif 1238#ifdef INET6 1239 case AF_INET6: 1240 if (ipv6_addr_legal) { 1241 struct sockaddr_in6 *sin6; 1242 1243 sin6 = (struct sockaddr_in6 *)&sctp_ifa->address.sa; 1244 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1245 /* 1246 * we skip 1247 * unspecifed 1248 * addresses 1249 */ 1250 continue; 1251 } 1252 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1253 if (local_scope == 0) 1254 continue; 1255 if (sin6->sin6_scope_id == 0) { 1256 if (sa6_recoverscope(sin6) != 0) 1257 /* 1258 * 1259 * bad 1260 * 1261 * li 1262 * nk 1263 * 1264 * loc 1265 * al 1266 * 1267 * add 1268 * re 1269 * ss 1270 * */ 1271 continue; 1272 } 1273 } 1274 if ((site_scope == 0) && 1275 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1276 continue; 1277 } 1278 memcpy(sas, sin6, sizeof(*sin6)); 1279 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1280 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6)); 1281 actual += sizeof(*sin6); 1282 if (actual >= limit) { 1283 return (actual); 1284 } 1285 } else { 1286 continue; 1287 } 1288 break; 1289#endif 1290 default: 1291 /* TSNH */ 1292 break; 1293 } 1294 } 1295 } 1296 } else { 1297 struct sctp_laddr *laddr; 1298 1299 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1300 if (stcb) { 1301 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1302 continue; 1303 } 1304 } 1305 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1306 continue; 1307 1308 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1309 sas = (struct sockaddr_storage *)((caddr_t)sas + 1310 laddr->ifa->address.sa.sa_len); 1311 actual += laddr->ifa->address.sa.sa_len; 1312 if (actual >= limit) { 1313 return (actual); 1314 } 1315 } 1316 } 1317 return (actual); 1318} 1319 1320static size_t 1321sctp_fill_up_addresses(struct sctp_inpcb *inp, 1322 struct sctp_tcb *stcb, 1323 size_t limit, 1324 struct sockaddr_storage *sas) 1325{ 1326 size_t size = 0; 1327 1328 SCTP_IPI_ADDR_RLOCK(); 1329 /* fill up addresses for the endpoint's default vrf */ 1330 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1331 inp->def_vrf_id); 1332 SCTP_IPI_ADDR_RUNLOCK(); 1333 return (size); 1334} 1335 1336/* 1337 * NOTE: assumes addr lock is held 1338 */ 1339static int 1340sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1341{ 1342 int cnt = 0; 1343 struct sctp_vrf *vrf = NULL; 1344 1345 /* 1346 * In both sub-set bound an bound_all cases we return the MAXIMUM 1347 * number of addresses that you COULD get. In reality the sub-set 1348 * bound may have an exclusion list for a given TCB OR in the 1349 * bound-all case a TCB may NOT include the loopback or other 1350 * addresses as well. 1351 */ 1352 vrf = sctp_find_vrf(vrf_id); 1353 if (vrf == NULL) { 1354 return (0); 1355 } 1356 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1357 struct sctp_ifn *sctp_ifn; 1358 struct sctp_ifa *sctp_ifa; 1359 1360 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1361 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1362 /* Count them if they are the right type */ 1363 switch (sctp_ifa->address.sa.sa_family) { 1364#ifdef INET 1365 case AF_INET: 1366 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1367 cnt += sizeof(struct sockaddr_in6); 1368 else 1369 cnt += sizeof(struct sockaddr_in); 1370 break; 1371#endif 1372#ifdef INET6 1373 case AF_INET6: 1374 cnt += sizeof(struct sockaddr_in6); 1375 break; 1376#endif 1377 default: 1378 break; 1379 } 1380 } 1381 } 1382 } else { 1383 struct sctp_laddr *laddr; 1384 1385 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1386 switch (laddr->ifa->address.sa.sa_family) { 1387#ifdef INET 1388 case AF_INET: 1389 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1390 cnt += sizeof(struct sockaddr_in6); 1391 else 1392 cnt += sizeof(struct sockaddr_in); 1393 break; 1394#endif 1395#ifdef INET6 1396 case AF_INET6: 1397 cnt += sizeof(struct sockaddr_in6); 1398 break; 1399#endif 1400 default: 1401 break; 1402 } 1403 } 1404 } 1405 return (cnt); 1406} 1407 1408static int 1409sctp_count_max_addresses(struct sctp_inpcb *inp) 1410{ 1411 int cnt = 0; 1412 1413 SCTP_IPI_ADDR_RLOCK(); 1414 /* count addresses for the endpoint's default VRF */ 1415 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1416 SCTP_IPI_ADDR_RUNLOCK(); 1417 return (cnt); 1418} 1419 1420static int 1421sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1422 size_t optsize, void *p, int delay) 1423{ 1424 int error = 0; 1425 int creat_lock_on = 0; 1426 struct sctp_tcb *stcb = NULL; 1427 struct sockaddr *sa; 1428 int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1429 uint32_t vrf_id; 1430 int bad_addresses = 0; 1431 sctp_assoc_t *a_id; 1432 1433 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1434 1435 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1436 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1437 /* We are already connected AND the TCP model */ 1438 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1439 return (EADDRINUSE); 1440 } 1441 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1442 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1443 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1444 return (EINVAL); 1445 } 1446 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1447 SCTP_INP_RLOCK(inp); 1448 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1449 SCTP_INP_RUNLOCK(inp); 1450 } 1451 if (stcb) { 1452 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1453 return (EALREADY); 1454 } 1455 SCTP_INP_INCR_REF(inp); 1456 SCTP_ASOC_CREATE_LOCK(inp); 1457 creat_lock_on = 1; 1458 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1459 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1460 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1461 error = EFAULT; 1462 goto out_now; 1463 } 1464 totaddrp = (int *)optval; 1465 totaddr = *totaddrp; 1466 sa = (struct sockaddr *)(totaddrp + 1); 1467 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (optsize - sizeof(int)), &bad_addresses); 1468 if ((stcb != NULL) || bad_addresses) { 1469 /* Already have or am bring up an association */ 1470 SCTP_ASOC_CREATE_UNLOCK(inp); 1471 creat_lock_on = 0; 1472 if (stcb) 1473 SCTP_TCB_UNLOCK(stcb); 1474 if (bad_addresses == 0) { 1475 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1476 error = EALREADY; 1477 } 1478 goto out_now; 1479 } 1480#ifdef INET6 1481 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1482 (num_v6 > 0)) { 1483 error = EINVAL; 1484 goto out_now; 1485 } 1486 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1487 (num_v4 > 0)) { 1488 struct in6pcb *inp6; 1489 1490 inp6 = (struct in6pcb *)inp; 1491 if (SCTP_IPV6_V6ONLY(inp6)) { 1492 /* 1493 * if IPV6_V6ONLY flag, ignore connections destined 1494 * to a v4 addr or v4-mapped addr 1495 */ 1496 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1497 error = EINVAL; 1498 goto out_now; 1499 } 1500 } 1501#endif /* INET6 */ 1502 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1503 SCTP_PCB_FLAGS_UNBOUND) { 1504 /* Bind a ephemeral port */ 1505 error = sctp_inpcb_bind(so, NULL, NULL, p); 1506 if (error) { 1507 goto out_now; 1508 } 1509 } 1510 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1511 vrf_id = inp->def_vrf_id; 1512 1513 1514 /* We are GOOD to go */ 1515 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1516 (struct thread *)p 1517 ); 1518 if (stcb == NULL) { 1519 /* Gak! no memory */ 1520 goto out_now; 1521 } 1522 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1523 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1524 /* Set the connected flag so we can queue data */ 1525 soisconnecting(so); 1526 } 1527 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 1528 /* move to second address */ 1529 switch (sa->sa_family) { 1530#ifdef INET 1531 case AF_INET: 1532 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1533 break; 1534#endif 1535#ifdef INET6 1536 case AF_INET6: 1537 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1538 break; 1539#endif 1540 default: 1541 break; 1542 } 1543 1544 error = 0; 1545 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1546 /* Fill in the return id */ 1547 if (error) { 1548 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6); 1549 goto out_now; 1550 } 1551 a_id = (sctp_assoc_t *) optval; 1552 *a_id = sctp_get_associd(stcb); 1553 1554 /* initialize authentication parameters for the assoc */ 1555 sctp_initialize_auth_params(inp, stcb); 1556 1557 if (delay) { 1558 /* doing delayed connection */ 1559 stcb->asoc.delayed_connection = 1; 1560 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1561 } else { 1562 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1563 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1564 } 1565 SCTP_TCB_UNLOCK(stcb); 1566 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1567 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1568 /* Set the connected flag so we can queue data */ 1569 soisconnecting(so); 1570 } 1571out_now: 1572 if (creat_lock_on) { 1573 SCTP_ASOC_CREATE_UNLOCK(inp); 1574 } 1575 SCTP_INP_DECR_REF(inp); 1576 return (error); 1577} 1578 1579#define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1580 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1581 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1582 SCTP_INP_RLOCK(inp); \ 1583 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1584 if (stcb) { \ 1585 SCTP_TCB_LOCK(stcb); \ 1586 } \ 1587 SCTP_INP_RUNLOCK(inp); \ 1588 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1589 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1590 if (stcb == NULL) { \ 1591 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1592 error = ENOENT; \ 1593 break; \ 1594 } \ 1595 } else { \ 1596 stcb = NULL; \ 1597 } \ 1598 } 1599 1600 1601#define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1602 if (size < sizeof(type)) { \ 1603 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1604 error = EINVAL; \ 1605 break; \ 1606 } else { \ 1607 destp = (type *)srcp; \ 1608 } \ 1609 } 1610 1611static int 1612sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1613 void *p) 1614{ 1615 struct sctp_inpcb *inp = NULL; 1616 int error, val = 0; 1617 struct sctp_tcb *stcb = NULL; 1618 1619 if (optval == NULL) { 1620 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1621 return (EINVAL); 1622 } 1623 inp = (struct sctp_inpcb *)so->so_pcb; 1624 if (inp == NULL) { 1625 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1626 return EINVAL; 1627 } 1628 error = 0; 1629 1630 switch (optname) { 1631 case SCTP_NODELAY: 1632 case SCTP_AUTOCLOSE: 1633 case SCTP_EXPLICIT_EOR: 1634 case SCTP_AUTO_ASCONF: 1635 case SCTP_DISABLE_FRAGMENTS: 1636 case SCTP_I_WANT_MAPPED_V4_ADDR: 1637 case SCTP_USE_EXT_RCVINFO: 1638 SCTP_INP_RLOCK(inp); 1639 switch (optname) { 1640 case SCTP_DISABLE_FRAGMENTS: 1641 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1642 break; 1643 case SCTP_I_WANT_MAPPED_V4_ADDR: 1644 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1645 break; 1646 case SCTP_AUTO_ASCONF: 1647 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1648 /* only valid for bound all sockets */ 1649 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1650 } else { 1651 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1652 error = EINVAL; 1653 goto flags_out; 1654 } 1655 break; 1656 case SCTP_EXPLICIT_EOR: 1657 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1658 break; 1659 case SCTP_NODELAY: 1660 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1661 break; 1662 case SCTP_USE_EXT_RCVINFO: 1663 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1664 break; 1665 case SCTP_AUTOCLOSE: 1666 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1667 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1668 else 1669 val = 0; 1670 break; 1671 1672 default: 1673 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1674 error = ENOPROTOOPT; 1675 } /* end switch (sopt->sopt_name) */ 1676 if (*optsize < sizeof(val)) { 1677 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1678 error = EINVAL; 1679 } 1680flags_out: 1681 SCTP_INP_RUNLOCK(inp); 1682 if (error == 0) { 1683 /* return the option value */ 1684 *(int *)optval = val; 1685 *optsize = sizeof(val); 1686 } 1687 break; 1688 case SCTP_GET_PACKET_LOG: 1689 { 1690#ifdef SCTP_PACKET_LOGGING 1691 uint8_t *target; 1692 int ret; 1693 1694 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1695 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1696 *optsize = ret; 1697#else 1698 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1699 error = EOPNOTSUPP; 1700#endif 1701 break; 1702 } 1703 case SCTP_REUSE_PORT: 1704 { 1705 uint32_t *value; 1706 1707 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1708 /* Can't do this for a 1-m socket */ 1709 error = EINVAL; 1710 break; 1711 } 1712 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1713 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1714 *optsize = sizeof(uint32_t); 1715 break; 1716 } 1717 case SCTP_PARTIAL_DELIVERY_POINT: 1718 { 1719 uint32_t *value; 1720 1721 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1722 *value = inp->partial_delivery_point; 1723 *optsize = sizeof(uint32_t); 1724 break; 1725 } 1726 case SCTP_FRAGMENT_INTERLEAVE: 1727 { 1728 uint32_t *value; 1729 1730 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1731 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1732 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1733 *value = SCTP_FRAG_LEVEL_2; 1734 } else { 1735 *value = SCTP_FRAG_LEVEL_1; 1736 } 1737 } else { 1738 *value = SCTP_FRAG_LEVEL_0; 1739 } 1740 *optsize = sizeof(uint32_t); 1741 break; 1742 } 1743 case SCTP_CMT_ON_OFF: 1744 { 1745 struct sctp_assoc_value *av; 1746 1747 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1748 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1749 if (stcb) { 1750 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1751 SCTP_TCB_UNLOCK(stcb); 1752 } else { 1753 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1754 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1755 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1756 SCTP_INP_RLOCK(inp); 1757 av->assoc_value = inp->sctp_cmt_on_off; 1758 SCTP_INP_RUNLOCK(inp); 1759 } else { 1760 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1761 error = EINVAL; 1762 } 1763 } 1764 if (error == 0) { 1765 *optsize = sizeof(struct sctp_assoc_value); 1766 } 1767 break; 1768 } 1769 case SCTP_PLUGGABLE_CC: 1770 { 1771 struct sctp_assoc_value *av; 1772 1773 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1774 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1775 if (stcb) { 1776 av->assoc_value = stcb->asoc.congestion_control_module; 1777 SCTP_TCB_UNLOCK(stcb); 1778 } else { 1779 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1780 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1781 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1782 SCTP_INP_RLOCK(inp); 1783 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1784 SCTP_INP_RUNLOCK(inp); 1785 } else { 1786 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1787 error = EINVAL; 1788 } 1789 } 1790 if (error == 0) { 1791 *optsize = sizeof(struct sctp_assoc_value); 1792 } 1793 break; 1794 } 1795 case SCTP_CC_OPTION: 1796 { 1797 struct sctp_cc_option *cc_opt; 1798 1799 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1800 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1801 if (stcb == NULL) { 1802 error = EINVAL; 1803 } else { 1804 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1805 error = ENOTSUP; 1806 } else { 1807 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1808 *optsize = sizeof(struct sctp_cc_option); 1809 } 1810 SCTP_TCB_UNLOCK(stcb); 1811 } 1812 break; 1813 } 1814 case SCTP_PLUGGABLE_SS: 1815 { 1816 struct sctp_assoc_value *av; 1817 1818 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1819 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1820 if (stcb) { 1821 av->assoc_value = stcb->asoc.stream_scheduling_module; 1822 SCTP_TCB_UNLOCK(stcb); 1823 } else { 1824 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1825 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1826 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1827 SCTP_INP_RLOCK(inp); 1828 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1829 SCTP_INP_RUNLOCK(inp); 1830 } else { 1831 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1832 error = EINVAL; 1833 } 1834 } 1835 if (error == 0) { 1836 *optsize = sizeof(struct sctp_assoc_value); 1837 } 1838 break; 1839 } 1840 case SCTP_SS_VALUE: 1841 { 1842 struct sctp_stream_value *av; 1843 1844 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1845 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1846 if (stcb) { 1847 if (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1848 &av->stream_value) < 0) { 1849 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1850 error = EINVAL; 1851 } else { 1852 *optsize = sizeof(struct sctp_stream_value); 1853 } 1854 SCTP_TCB_UNLOCK(stcb); 1855 } else { 1856 /* 1857 * Can't get stream value without 1858 * association 1859 */ 1860 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1861 error = EINVAL; 1862 } 1863 break; 1864 } 1865 case SCTP_GET_ADDR_LEN: 1866 { 1867 struct sctp_assoc_value *av; 1868 1869 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1870 error = EINVAL; 1871#ifdef INET 1872 if (av->assoc_value == AF_INET) { 1873 av->assoc_value = sizeof(struct sockaddr_in); 1874 error = 0; 1875 } 1876#endif 1877#ifdef INET6 1878 if (av->assoc_value == AF_INET6) { 1879 av->assoc_value = sizeof(struct sockaddr_in6); 1880 error = 0; 1881 } 1882#endif 1883 if (error) { 1884 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1885 } else { 1886 *optsize = sizeof(struct sctp_assoc_value); 1887 } 1888 break; 1889 } 1890 case SCTP_GET_ASSOC_NUMBER: 1891 { 1892 uint32_t *value, cnt; 1893 1894 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1895 cnt = 0; 1896 SCTP_INP_RLOCK(inp); 1897 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1898 cnt++; 1899 } 1900 SCTP_INP_RUNLOCK(inp); 1901 *value = cnt; 1902 *optsize = sizeof(uint32_t); 1903 break; 1904 } 1905 case SCTP_GET_ASSOC_ID_LIST: 1906 { 1907 struct sctp_assoc_ids *ids; 1908 unsigned int at, limit; 1909 1910 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1911 at = 0; 1912 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1913 SCTP_INP_RLOCK(inp); 1914 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1915 if (at < limit) { 1916 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1917 } else { 1918 error = EINVAL; 1919 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1920 break; 1921 } 1922 } 1923 SCTP_INP_RUNLOCK(inp); 1924 if (error == 0) { 1925 ids->gaids_number_of_ids = at; 1926 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1927 } 1928 break; 1929 } 1930 case SCTP_CONTEXT: 1931 { 1932 struct sctp_assoc_value *av; 1933 1934 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1935 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1936 1937 if (stcb) { 1938 av->assoc_value = stcb->asoc.context; 1939 SCTP_TCB_UNLOCK(stcb); 1940 } else { 1941 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1942 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1943 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1944 SCTP_INP_RLOCK(inp); 1945 av->assoc_value = inp->sctp_context; 1946 SCTP_INP_RUNLOCK(inp); 1947 } else { 1948 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1949 error = EINVAL; 1950 } 1951 } 1952 if (error == 0) { 1953 *optsize = sizeof(struct sctp_assoc_value); 1954 } 1955 break; 1956 } 1957 case SCTP_VRF_ID: 1958 { 1959 uint32_t *default_vrfid; 1960 1961 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1962 *default_vrfid = inp->def_vrf_id; 1963 *optsize = sizeof(uint32_t); 1964 break; 1965 } 1966 case SCTP_GET_ASOC_VRF: 1967 { 1968 struct sctp_assoc_value *id; 1969 1970 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1971 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1972 if (stcb == NULL) { 1973 error = EINVAL; 1974 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1975 } else { 1976 id->assoc_value = stcb->asoc.vrf_id; 1977 *optsize = sizeof(struct sctp_assoc_value); 1978 } 1979 break; 1980 } 1981 case SCTP_GET_VRF_IDS: 1982 { 1983 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1984 error = EOPNOTSUPP; 1985 break; 1986 } 1987 case SCTP_GET_NONCE_VALUES: 1988 { 1989 struct sctp_get_nonce_values *gnv; 1990 1991 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 1992 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 1993 1994 if (stcb) { 1995 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 1996 gnv->gn_local_tag = stcb->asoc.my_vtag; 1997 SCTP_TCB_UNLOCK(stcb); 1998 *optsize = sizeof(struct sctp_get_nonce_values); 1999 } else { 2000 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2001 error = ENOTCONN; 2002 } 2003 break; 2004 } 2005 case SCTP_DELAYED_SACK: 2006 { 2007 struct sctp_sack_info *sack; 2008 2009 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 2010 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 2011 if (stcb) { 2012 sack->sack_delay = stcb->asoc.delayed_ack; 2013 sack->sack_freq = stcb->asoc.sack_freq; 2014 SCTP_TCB_UNLOCK(stcb); 2015 } else { 2016 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2017 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2018 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) { 2019 SCTP_INP_RLOCK(inp); 2020 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2021 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2022 SCTP_INP_RUNLOCK(inp); 2023 } else { 2024 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2025 error = EINVAL; 2026 } 2027 } 2028 if (error == 0) { 2029 *optsize = sizeof(struct sctp_sack_info); 2030 } 2031 break; 2032 } 2033 case SCTP_GET_SNDBUF_USE: 2034 { 2035 struct sctp_sockstat *ss; 2036 2037 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2038 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2039 2040 if (stcb) { 2041 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2042 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2043 stcb->asoc.size_on_all_streams); 2044 SCTP_TCB_UNLOCK(stcb); 2045 *optsize = sizeof(struct sctp_sockstat); 2046 } else { 2047 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2048 error = ENOTCONN; 2049 } 2050 break; 2051 } 2052 case SCTP_MAX_BURST: 2053 { 2054 struct sctp_assoc_value *av; 2055 2056 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2057 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2058 2059 if (stcb) { 2060 av->assoc_value = stcb->asoc.max_burst; 2061 SCTP_TCB_UNLOCK(stcb); 2062 } else { 2063 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2064 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2065 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2066 SCTP_INP_RLOCK(inp); 2067 av->assoc_value = inp->sctp_ep.max_burst; 2068 SCTP_INP_RUNLOCK(inp); 2069 } else { 2070 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2071 error = EINVAL; 2072 } 2073 } 2074 if (error == 0) { 2075 *optsize = sizeof(struct sctp_assoc_value); 2076 } 2077 break; 2078 } 2079 case SCTP_MAXSEG: 2080 { 2081 struct sctp_assoc_value *av; 2082 int ovh; 2083 2084 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2085 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2086 2087 if (stcb) { 2088 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2089 SCTP_TCB_UNLOCK(stcb); 2090 } else { 2091 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2092 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2093 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2094 SCTP_INP_RLOCK(inp); 2095 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2096 ovh = SCTP_MED_OVERHEAD; 2097 } else { 2098 ovh = SCTP_MED_V4_OVERHEAD; 2099 } 2100 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2101 av->assoc_value = 0; 2102 else 2103 av->assoc_value = inp->sctp_frag_point - ovh; 2104 SCTP_INP_RUNLOCK(inp); 2105 } else { 2106 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2107 error = EINVAL; 2108 } 2109 } 2110 if (error == 0) { 2111 *optsize = sizeof(struct sctp_assoc_value); 2112 } 2113 break; 2114 } 2115 case SCTP_GET_STAT_LOG: 2116 error = sctp_fill_stat_log(optval, optsize); 2117 break; 2118 case SCTP_EVENTS: 2119 { 2120 struct sctp_event_subscribe *events; 2121 2122 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2123 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2124 SCTP_INP_RLOCK(inp); 2125 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2126 events->sctp_data_io_event = 1; 2127 2128 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2129 events->sctp_association_event = 1; 2130 2131 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2132 events->sctp_address_event = 1; 2133 2134 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2135 events->sctp_send_failure_event = 1; 2136 2137 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2138 events->sctp_peer_error_event = 1; 2139 2140 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2141 events->sctp_shutdown_event = 1; 2142 2143 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2144 events->sctp_partial_delivery_event = 1; 2145 2146 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2147 events->sctp_adaptation_layer_event = 1; 2148 2149 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2150 events->sctp_authentication_event = 1; 2151 2152 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2153 events->sctp_sender_dry_event = 1; 2154 2155 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2156 events->sctp_stream_reset_event = 1; 2157 SCTP_INP_RUNLOCK(inp); 2158 *optsize = sizeof(struct sctp_event_subscribe); 2159 break; 2160 } 2161 case SCTP_ADAPTATION_LAYER: 2162 { 2163 uint32_t *value; 2164 2165 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2166 2167 SCTP_INP_RLOCK(inp); 2168 *value = inp->sctp_ep.adaptation_layer_indicator; 2169 SCTP_INP_RUNLOCK(inp); 2170 *optsize = sizeof(uint32_t); 2171 break; 2172 } 2173 case SCTP_SET_INITIAL_DBG_SEQ: 2174 { 2175 uint32_t *value; 2176 2177 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2178 SCTP_INP_RLOCK(inp); 2179 *value = inp->sctp_ep.initial_sequence_debug; 2180 SCTP_INP_RUNLOCK(inp); 2181 *optsize = sizeof(uint32_t); 2182 break; 2183 } 2184 case SCTP_GET_LOCAL_ADDR_SIZE: 2185 { 2186 uint32_t *value; 2187 2188 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2189 SCTP_INP_RLOCK(inp); 2190 *value = sctp_count_max_addresses(inp); 2191 SCTP_INP_RUNLOCK(inp); 2192 *optsize = sizeof(uint32_t); 2193 break; 2194 } 2195 case SCTP_GET_REMOTE_ADDR_SIZE: 2196 { 2197 uint32_t *value; 2198 size_t size; 2199 struct sctp_nets *net; 2200 2201 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2202 /* FIXME MT: change to sctp_assoc_value? */ 2203 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 2204 2205 if (stcb) { 2206 size = 0; 2207 /* Count the sizes */ 2208 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2209 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2210 size += sizeof(struct sockaddr_in6); 2211 } else { 2212 switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) { 2213#ifdef INET 2214 case AF_INET: 2215 size += sizeof(struct sockaddr_in); 2216 break; 2217#endif 2218#ifdef INET6 2219 case AF_INET6: 2220 size += sizeof(struct sockaddr_in6); 2221 break; 2222#endif 2223 default: 2224 break; 2225 } 2226 } 2227 } 2228 SCTP_TCB_UNLOCK(stcb); 2229 *value = (uint32_t) size; 2230 *optsize = sizeof(uint32_t); 2231 } else { 2232 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2233 error = ENOTCONN; 2234 } 2235 break; 2236 } 2237 case SCTP_GET_PEER_ADDRESSES: 2238 /* 2239 * Get the address information, an array is passed in to 2240 * fill up we pack it. 2241 */ 2242 { 2243 size_t cpsz, left; 2244 struct sockaddr_storage *sas; 2245 struct sctp_nets *net; 2246 struct sctp_getaddresses *saddr; 2247 2248 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2249 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2250 2251 if (stcb) { 2252 left = (*optsize) - sizeof(struct sctp_getaddresses); 2253 *optsize = sizeof(struct sctp_getaddresses); 2254 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2255 2256 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2257 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2258 cpsz = sizeof(struct sockaddr_in6); 2259 } else { 2260 switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) { 2261#ifdef INET 2262 case AF_INET: 2263 cpsz = sizeof(struct sockaddr_in); 2264 break; 2265#endif 2266#ifdef INET6 2267 case AF_INET6: 2268 cpsz = sizeof(struct sockaddr_in6); 2269 break; 2270#endif 2271 default: 2272 cpsz = 0; 2273 break; 2274 } 2275 } 2276 if (cpsz == 0) { 2277 break; 2278 } 2279 if (left < cpsz) { 2280 /* not enough room. */ 2281 break; 2282 } 2283#if defined(INET) && defined(INET6) 2284 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2285 (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET)) { 2286 /* Must map the address */ 2287 in6_sin_2_v4mapsin6((struct sockaddr_in *)&net->ro._l_addr, 2288 (struct sockaddr_in6 *)sas); 2289 } else { 2290#endif 2291 memcpy(sas, &net->ro._l_addr, cpsz); 2292#if defined(INET) && defined(INET6) 2293 } 2294#endif 2295 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2296 2297 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2298 left -= cpsz; 2299 *optsize += cpsz; 2300 } 2301 SCTP_TCB_UNLOCK(stcb); 2302 } else { 2303 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2304 error = ENOENT; 2305 } 2306 break; 2307 } 2308 case SCTP_GET_LOCAL_ADDRESSES: 2309 { 2310 size_t limit, actual; 2311 struct sockaddr_storage *sas; 2312 struct sctp_getaddresses *saddr; 2313 2314 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2315 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2316 2317 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2318 limit = *optsize - sizeof(sctp_assoc_t); 2319 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2320 if (stcb) { 2321 SCTP_TCB_UNLOCK(stcb); 2322 } 2323 *optsize = sizeof(struct sockaddr_storage) + actual; 2324 break; 2325 } 2326 case SCTP_PEER_ADDR_PARAMS: 2327 { 2328 struct sctp_paddrparams *paddrp; 2329 struct sctp_nets *net; 2330 2331 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2332 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2333 2334 net = NULL; 2335 if (stcb) { 2336 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 2337 } else { 2338 /* 2339 * We increment here since 2340 * sctp_findassociation_ep_addr() wil do a 2341 * decrement if it finds the stcb as long as 2342 * the locked tcb (last argument) is NOT a 2343 * TCB.. aka NULL. 2344 */ 2345 SCTP_INP_INCR_REF(inp); 2346 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddrp->spp_address, &net, NULL, NULL); 2347 if (stcb == NULL) { 2348 SCTP_INP_DECR_REF(inp); 2349 } 2350 } 2351 if (stcb && (net == NULL)) { 2352 struct sockaddr *sa; 2353 2354 sa = (struct sockaddr *)&paddrp->spp_address; 2355#ifdef INET 2356 if (sa->sa_family == AF_INET) { 2357 struct sockaddr_in *sin; 2358 2359 sin = (struct sockaddr_in *)sa; 2360 if (sin->sin_addr.s_addr) { 2361 error = EINVAL; 2362 SCTP_TCB_UNLOCK(stcb); 2363 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2364 break; 2365 } 2366 } else 2367#endif 2368#ifdef INET6 2369 if (sa->sa_family == AF_INET6) { 2370 struct sockaddr_in6 *sin6; 2371 2372 sin6 = (struct sockaddr_in6 *)sa; 2373 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2374 error = EINVAL; 2375 SCTP_TCB_UNLOCK(stcb); 2376 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2377 break; 2378 } 2379 } else 2380#endif 2381 { 2382 error = EAFNOSUPPORT; 2383 SCTP_TCB_UNLOCK(stcb); 2384 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2385 break; 2386 } 2387 } 2388 if (stcb) { 2389 /* Applies to the specific association */ 2390 paddrp->spp_flags = 0; 2391 if (net) { 2392 int ovh; 2393 2394 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2395 ovh = SCTP_MED_OVERHEAD; 2396 } else { 2397 ovh = SCTP_MED_V4_OVERHEAD; 2398 } 2399 2400 paddrp->spp_hbinterval = net->heart_beat_delay; 2401 paddrp->spp_pathmaxrxt = net->failure_threshold; 2402 paddrp->spp_pathmtu = net->mtu - ovh; 2403 /* get flags for HB */ 2404 if (net->dest_state & SCTP_ADDR_NOHB) { 2405 paddrp->spp_flags |= SPP_HB_DISABLE; 2406 } else { 2407 paddrp->spp_flags |= SPP_HB_ENABLE; 2408 } 2409 /* get flags for PMTU */ 2410 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2411 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2412 } else { 2413 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2414 } 2415 if (net->dscp & 0x01) { 2416 paddrp->spp_dscp = net->dscp & 0xfc; 2417 paddrp->spp_flags |= SPP_DSCP; 2418 } 2419#ifdef INET6 2420 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2421 (net->flowlabel & 0x80000000)) { 2422 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2423 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2424 } 2425#endif 2426 } else { 2427 /* 2428 * No destination so return default 2429 * value 2430 */ 2431 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2432 paddrp->spp_pathmtu = sctp_get_frag_point(stcb, &stcb->asoc); 2433 if (stcb->asoc.default_dscp & 0x01) { 2434 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2435 paddrp->spp_flags |= SPP_DSCP; 2436 } 2437#ifdef INET6 2438 if (stcb->asoc.default_flowlabel & 0x80000000) { 2439 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2440 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2441 } 2442#endif 2443 /* default settings should be these */ 2444 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2445 paddrp->spp_flags |= SPP_HB_DISABLE; 2446 } else { 2447 paddrp->spp_flags |= SPP_HB_ENABLE; 2448 } 2449 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2450 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2451 } else { 2452 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2453 } 2454 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2455 } 2456 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2457 SCTP_TCB_UNLOCK(stcb); 2458 } else { 2459 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2460 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2461 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 2462 /* Use endpoint defaults */ 2463 SCTP_INP_RLOCK(inp); 2464 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2465 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2466 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2467 /* get inp's default */ 2468 if (inp->sctp_ep.default_dscp & 0x01) { 2469 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2470 paddrp->spp_flags |= SPP_DSCP; 2471 } 2472#ifdef INET6 2473 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2474 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2475 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2476 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2477 } 2478#endif 2479 /* can't return this */ 2480 paddrp->spp_pathmtu = 0; 2481 2482 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2483 paddrp->spp_flags |= SPP_HB_ENABLE; 2484 } else { 2485 paddrp->spp_flags |= SPP_HB_DISABLE; 2486 } 2487 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2488 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2489 } else { 2490 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2491 } 2492 SCTP_INP_RUNLOCK(inp); 2493 } else { 2494 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2495 error = EINVAL; 2496 } 2497 } 2498 if (error == 0) { 2499 *optsize = sizeof(struct sctp_paddrparams); 2500 } 2501 break; 2502 } 2503 case SCTP_GET_PEER_ADDR_INFO: 2504 { 2505 struct sctp_paddrinfo *paddri; 2506 struct sctp_nets *net; 2507 2508 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2509 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2510 2511 net = NULL; 2512 if (stcb) { 2513 net = sctp_findnet(stcb, (struct sockaddr *)&paddri->spinfo_address); 2514 } else { 2515 /* 2516 * We increment here since 2517 * sctp_findassociation_ep_addr() wil do a 2518 * decrement if it finds the stcb as long as 2519 * the locked tcb (last argument) is NOT a 2520 * TCB.. aka NULL. 2521 */ 2522 SCTP_INP_INCR_REF(inp); 2523 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddri->spinfo_address, &net, NULL, NULL); 2524 if (stcb == NULL) { 2525 SCTP_INP_DECR_REF(inp); 2526 } 2527 } 2528 2529 if ((stcb) && (net)) { 2530 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2531 /* It's unconfirmed */ 2532 paddri->spinfo_state = SCTP_UNCONFIRMED; 2533 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2534 /* It's active */ 2535 paddri->spinfo_state = SCTP_ACTIVE; 2536 } else { 2537 /* It's inactive */ 2538 paddri->spinfo_state = SCTP_INACTIVE; 2539 } 2540 paddri->spinfo_cwnd = net->cwnd; 2541 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2542 paddri->spinfo_rto = net->RTO; 2543 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2544 paddri->spinfo_mtu = net->mtu; 2545 SCTP_TCB_UNLOCK(stcb); 2546 *optsize = sizeof(struct sctp_paddrinfo); 2547 } else { 2548 if (stcb) { 2549 SCTP_TCB_UNLOCK(stcb); 2550 } 2551 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2552 error = ENOENT; 2553 } 2554 break; 2555 } 2556 case SCTP_PCB_STATUS: 2557 { 2558 struct sctp_pcbinfo *spcb; 2559 2560 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2561 sctp_fill_pcbinfo(spcb); 2562 *optsize = sizeof(struct sctp_pcbinfo); 2563 break; 2564 } 2565 case SCTP_STATUS: 2566 { 2567 struct sctp_nets *net; 2568 struct sctp_status *sstat; 2569 2570 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2571 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2572 2573 if (stcb == NULL) { 2574 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2575 error = EINVAL; 2576 break; 2577 } 2578 /* 2579 * I think passing the state is fine since 2580 * sctp_constants.h will be available to the user 2581 * land. 2582 */ 2583 sstat->sstat_state = stcb->asoc.state; 2584 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2585 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2586 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2587 /* 2588 * We can't include chunks that have been passed to 2589 * the socket layer. Only things in queue. 2590 */ 2591 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2592 stcb->asoc.cnt_on_all_streams); 2593 2594 2595 sstat->sstat_instrms = stcb->asoc.streamincnt; 2596 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2597 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2598 memcpy(&sstat->sstat_primary.spinfo_address, 2599 &stcb->asoc.primary_destination->ro._l_addr, 2600 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2601 net = stcb->asoc.primary_destination; 2602 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2603 /* 2604 * Again the user can get info from sctp_constants.h 2605 * for what the state of the network is. 2606 */ 2607 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2608 /* It's unconfirmed */ 2609 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2610 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2611 /* It's active */ 2612 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2613 } else { 2614 /* It's inactive */ 2615 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2616 } 2617 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2618 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2619 sstat->sstat_primary.spinfo_rto = net->RTO; 2620 sstat->sstat_primary.spinfo_mtu = net->mtu; 2621 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2622 SCTP_TCB_UNLOCK(stcb); 2623 *optsize = sizeof(struct sctp_status); 2624 break; 2625 } 2626 case SCTP_RTOINFO: 2627 { 2628 struct sctp_rtoinfo *srto; 2629 2630 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2631 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2632 2633 if (stcb) { 2634 srto->srto_initial = stcb->asoc.initial_rto; 2635 srto->srto_max = stcb->asoc.maxrto; 2636 srto->srto_min = stcb->asoc.minrto; 2637 SCTP_TCB_UNLOCK(stcb); 2638 } else { 2639 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2640 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2641 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2642 SCTP_INP_RLOCK(inp); 2643 srto->srto_initial = inp->sctp_ep.initial_rto; 2644 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2645 srto->srto_min = inp->sctp_ep.sctp_minrto; 2646 SCTP_INP_RUNLOCK(inp); 2647 } else { 2648 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2649 error = EINVAL; 2650 } 2651 } 2652 if (error == 0) { 2653 *optsize = sizeof(struct sctp_rtoinfo); 2654 } 2655 break; 2656 } 2657 case SCTP_TIMEOUTS: 2658 { 2659 struct sctp_timeouts *stimo; 2660 2661 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2662 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2663 2664 if (stcb) { 2665 stimo->stimo_init = stcb->asoc.timoinit; 2666 stimo->stimo_data = stcb->asoc.timodata; 2667 stimo->stimo_sack = stcb->asoc.timosack; 2668 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2669 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2670 stimo->stimo_cookie = stcb->asoc.timocookie; 2671 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2672 SCTP_TCB_UNLOCK(stcb); 2673 *optsize = sizeof(struct sctp_timeouts); 2674 } else { 2675 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2676 error = EINVAL; 2677 } 2678 break; 2679 } 2680 case SCTP_ASSOCINFO: 2681 { 2682 struct sctp_assocparams *sasoc; 2683 2684 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2685 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2686 2687 if (stcb) { 2688 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2689 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2690 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2691 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2692 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2693 SCTP_TCB_UNLOCK(stcb); 2694 } else { 2695 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2696 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2697 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2698 SCTP_INP_RLOCK(inp); 2699 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2700 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2701 sasoc->sasoc_number_peer_destinations = 0; 2702 sasoc->sasoc_peer_rwnd = 0; 2703 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2704 SCTP_INP_RUNLOCK(inp); 2705 } else { 2706 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2707 error = EINVAL; 2708 } 2709 } 2710 if (error == 0) { 2711 *optsize = sizeof(struct sctp_assocparams); 2712 } 2713 break; 2714 } 2715 case SCTP_DEFAULT_SEND_PARAM: 2716 { 2717 struct sctp_sndrcvinfo *s_info; 2718 2719 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2720 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2721 2722 if (stcb) { 2723 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2724 SCTP_TCB_UNLOCK(stcb); 2725 } else { 2726 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2727 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2728 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2729 SCTP_INP_RLOCK(inp); 2730 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2731 SCTP_INP_RUNLOCK(inp); 2732 } else { 2733 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2734 error = EINVAL; 2735 } 2736 } 2737 if (error == 0) { 2738 *optsize = sizeof(struct sctp_sndrcvinfo); 2739 } 2740 break; 2741 } 2742 case SCTP_INITMSG: 2743 { 2744 struct sctp_initmsg *sinit; 2745 2746 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2747 SCTP_INP_RLOCK(inp); 2748 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2749 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2750 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2751 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2752 SCTP_INP_RUNLOCK(inp); 2753 *optsize = sizeof(struct sctp_initmsg); 2754 break; 2755 } 2756 case SCTP_PRIMARY_ADDR: 2757 /* we allow a "get" operation on this */ 2758 { 2759 struct sctp_setprim *ssp; 2760 2761 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2762 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2763 2764 if (stcb) { 2765 /* simply copy out the sockaddr_storage... */ 2766 int len; 2767 2768 len = *optsize; 2769 if (len > stcb->asoc.primary_destination->ro._l_addr.sa.sa_len) 2770 len = stcb->asoc.primary_destination->ro._l_addr.sa.sa_len; 2771 2772 memcpy(&ssp->ssp_addr, 2773 &stcb->asoc.primary_destination->ro._l_addr, 2774 len); 2775 SCTP_TCB_UNLOCK(stcb); 2776 *optsize = sizeof(struct sctp_setprim); 2777 } else { 2778 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2779 error = EINVAL; 2780 } 2781 break; 2782 } 2783 case SCTP_HMAC_IDENT: 2784 { 2785 struct sctp_hmacalgo *shmac; 2786 sctp_hmaclist_t *hmaclist; 2787 uint32_t size; 2788 int i; 2789 2790 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2791 2792 SCTP_INP_RLOCK(inp); 2793 hmaclist = inp->sctp_ep.local_hmacs; 2794 if (hmaclist == NULL) { 2795 /* no HMACs to return */ 2796 *optsize = sizeof(*shmac); 2797 SCTP_INP_RUNLOCK(inp); 2798 break; 2799 } 2800 /* is there room for all of the hmac ids? */ 2801 size = sizeof(*shmac) + (hmaclist->num_algo * 2802 sizeof(shmac->shmac_idents[0])); 2803 if ((size_t)(*optsize) < size) { 2804 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2805 error = EINVAL; 2806 SCTP_INP_RUNLOCK(inp); 2807 break; 2808 } 2809 /* copy in the list */ 2810 shmac->shmac_number_of_idents = hmaclist->num_algo; 2811 for (i = 0; i < hmaclist->num_algo; i++) { 2812 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2813 } 2814 SCTP_INP_RUNLOCK(inp); 2815 *optsize = size; 2816 break; 2817 } 2818 case SCTP_AUTH_ACTIVE_KEY: 2819 { 2820 struct sctp_authkeyid *scact; 2821 2822 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2823 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2824 2825 if (stcb) { 2826 /* get the active key on the assoc */ 2827 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2828 SCTP_TCB_UNLOCK(stcb); 2829 } else { 2830 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2831 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2832 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2833 /* get the endpoint active key */ 2834 SCTP_INP_RLOCK(inp); 2835 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2836 SCTP_INP_RUNLOCK(inp); 2837 } else { 2838 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2839 error = EINVAL; 2840 } 2841 } 2842 if (error == 0) { 2843 *optsize = sizeof(struct sctp_authkeyid); 2844 } 2845 break; 2846 } 2847 case SCTP_LOCAL_AUTH_CHUNKS: 2848 { 2849 struct sctp_authchunks *sac; 2850 sctp_auth_chklist_t *chklist = NULL; 2851 size_t size = 0; 2852 2853 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2854 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2855 2856 if (stcb) { 2857 /* get off the assoc */ 2858 chklist = stcb->asoc.local_auth_chunks; 2859 /* is there enough space? */ 2860 size = sctp_auth_get_chklist_size(chklist); 2861 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2862 error = EINVAL; 2863 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2864 } else { 2865 /* copy in the chunks */ 2866 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2867 sac->gauth_number_of_chunks = (uint32_t) size; 2868 *optsize = sizeof(struct sctp_authchunks) + size; 2869 } 2870 SCTP_TCB_UNLOCK(stcb); 2871 } else { 2872 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2873 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2874 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 2875 /* get off the endpoint */ 2876 SCTP_INP_RLOCK(inp); 2877 chklist = inp->sctp_ep.local_auth_chunks; 2878 /* is there enough space? */ 2879 size = sctp_auth_get_chklist_size(chklist); 2880 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2881 error = EINVAL; 2882 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2883 } else { 2884 /* copy in the chunks */ 2885 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2886 sac->gauth_number_of_chunks = (uint32_t) size; 2887 *optsize = sizeof(struct sctp_authchunks) + size; 2888 } 2889 SCTP_INP_RUNLOCK(inp); 2890 } else { 2891 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2892 error = EINVAL; 2893 } 2894 } 2895 break; 2896 } 2897 case SCTP_PEER_AUTH_CHUNKS: 2898 { 2899 struct sctp_authchunks *sac; 2900 sctp_auth_chklist_t *chklist = NULL; 2901 size_t size = 0; 2902 2903 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2904 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2905 2906 if (stcb) { 2907 /* get off the assoc */ 2908 chklist = stcb->asoc.peer_auth_chunks; 2909 /* is there enough space? */ 2910 size = sctp_auth_get_chklist_size(chklist); 2911 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2912 error = EINVAL; 2913 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2914 } else { 2915 /* copy in the chunks */ 2916 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2917 sac->gauth_number_of_chunks = (uint32_t) size; 2918 *optsize = sizeof(struct sctp_authchunks) + size; 2919 } 2920 SCTP_TCB_UNLOCK(stcb); 2921 } else { 2922 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2923 error = ENOENT; 2924 } 2925 break; 2926 } 2927 case SCTP_EVENT: 2928 { 2929 struct sctp_event *event; 2930 uint32_t event_type; 2931 2932 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 2933 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 2934 2935 switch (event->se_type) { 2936 case SCTP_ASSOC_CHANGE: 2937 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 2938 break; 2939 case SCTP_PEER_ADDR_CHANGE: 2940 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 2941 break; 2942 case SCTP_REMOTE_ERROR: 2943 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 2944 break; 2945 case SCTP_SEND_FAILED: 2946 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 2947 break; 2948 case SCTP_SHUTDOWN_EVENT: 2949 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 2950 break; 2951 case SCTP_ADAPTATION_INDICATION: 2952 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 2953 break; 2954 case SCTP_PARTIAL_DELIVERY_EVENT: 2955 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 2956 break; 2957 case SCTP_AUTHENTICATION_EVENT: 2958 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 2959 break; 2960 case SCTP_STREAM_RESET_EVENT: 2961 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 2962 break; 2963 case SCTP_SENDER_DRY_EVENT: 2964 event_type = SCTP_PCB_FLAGS_DRYEVNT; 2965 break; 2966 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 2967 event_type = 0; 2968 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 2969 error = ENOTSUP; 2970 break; 2971 case SCTP_ASSOC_RESET_EVENT: 2972 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 2973 break; 2974 case SCTP_STREAM_CHANGE_EVENT: 2975 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 2976 break; 2977 case SCTP_SEND_FAILED_EVENT: 2978 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 2979 break; 2980 default: 2981 event_type = 0; 2982 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2983 error = EINVAL; 2984 break; 2985 } 2986 if (event_type > 0) { 2987 if (stcb) { 2988 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 2989 SCTP_TCB_UNLOCK(stcb); 2990 } else { 2991 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2992 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2993 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 2994 SCTP_INP_RLOCK(inp); 2995 event->se_on = sctp_is_feature_on(inp, event_type); 2996 SCTP_INP_RUNLOCK(inp); 2997 } else { 2998 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2999 error = EINVAL; 3000 } 3001 } 3002 } 3003 if (error == 0) { 3004 *optsize = sizeof(struct sctp_event); 3005 } 3006 break; 3007 } 3008 case SCTP_RECVRCVINFO: 3009 { 3010 int onoff; 3011 3012 if (*optsize < sizeof(int)) { 3013 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3014 error = EINVAL; 3015 } else { 3016 SCTP_INP_RLOCK(inp); 3017 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3018 SCTP_INP_RUNLOCK(inp); 3019 } 3020 if (error == 0) { 3021 /* return the option value */ 3022 *(int *)optval = onoff; 3023 *optsize = sizeof(int); 3024 } 3025 break; 3026 } 3027 case SCTP_RECVNXTINFO: 3028 { 3029 int onoff; 3030 3031 if (*optsize < sizeof(int)) { 3032 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3033 error = EINVAL; 3034 } else { 3035 SCTP_INP_RLOCK(inp); 3036 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3037 SCTP_INP_RUNLOCK(inp); 3038 } 3039 if (error == 0) { 3040 /* return the option value */ 3041 *(int *)optval = onoff; 3042 *optsize = sizeof(int); 3043 } 3044 break; 3045 } 3046 case SCTP_DEFAULT_SNDINFO: 3047 { 3048 struct sctp_sndinfo *info; 3049 3050 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3051 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3052 3053 if (stcb) { 3054 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3055 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3056 info->snd_flags &= 0xfff0; 3057 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3058 info->snd_context = stcb->asoc.def_send.sinfo_context; 3059 SCTP_TCB_UNLOCK(stcb); 3060 } else { 3061 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3062 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3063 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3064 SCTP_INP_RLOCK(inp); 3065 info->snd_sid = inp->def_send.sinfo_stream; 3066 info->snd_flags = inp->def_send.sinfo_flags; 3067 info->snd_flags &= 0xfff0; 3068 info->snd_ppid = inp->def_send.sinfo_ppid; 3069 info->snd_context = inp->def_send.sinfo_context; 3070 SCTP_INP_RUNLOCK(inp); 3071 } else { 3072 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3073 error = EINVAL; 3074 } 3075 } 3076 if (error == 0) { 3077 *optsize = sizeof(struct sctp_sndinfo); 3078 } 3079 break; 3080 } 3081 case SCTP_DEFAULT_PRINFO: 3082 { 3083 struct sctp_default_prinfo *info; 3084 3085 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3086 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3087 3088 if (stcb) { 3089 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3090 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3091 SCTP_TCB_UNLOCK(stcb); 3092 } else { 3093 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3094 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3095 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3096 SCTP_INP_RLOCK(inp); 3097 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3098 info->pr_value = inp->def_send.sinfo_timetolive; 3099 SCTP_INP_RUNLOCK(inp); 3100 } else { 3101 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3102 error = EINVAL; 3103 } 3104 } 3105 if (error == 0) { 3106 *optsize = sizeof(struct sctp_default_prinfo); 3107 } 3108 break; 3109 } 3110 case SCTP_PEER_ADDR_THLDS: 3111 { 3112 struct sctp_paddrthlds *thlds; 3113 struct sctp_nets *net; 3114 3115 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3116 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3117 3118 net = NULL; 3119 if (stcb) { 3120 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_address); 3121 } else { 3122 /* 3123 * We increment here since 3124 * sctp_findassociation_ep_addr() wil do a 3125 * decrement if it finds the stcb as long as 3126 * the locked tcb (last argument) is NOT a 3127 * TCB.. aka NULL. 3128 */ 3129 SCTP_INP_INCR_REF(inp); 3130 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&thlds->spt_address, &net, NULL, NULL); 3131 if (stcb == NULL) { 3132 SCTP_INP_DECR_REF(inp); 3133 } 3134 } 3135 if (stcb && (net == NULL)) { 3136 struct sockaddr *sa; 3137 3138 sa = (struct sockaddr *)&thlds->spt_address; 3139#ifdef INET 3140 if (sa->sa_family == AF_INET) { 3141 struct sockaddr_in *sin; 3142 3143 sin = (struct sockaddr_in *)sa; 3144 if (sin->sin_addr.s_addr) { 3145 error = EINVAL; 3146 SCTP_TCB_UNLOCK(stcb); 3147 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3148 break; 3149 } 3150 } else 3151#endif 3152#ifdef INET6 3153 if (sa->sa_family == AF_INET6) { 3154 struct sockaddr_in6 *sin6; 3155 3156 sin6 = (struct sockaddr_in6 *)sa; 3157 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3158 error = EINVAL; 3159 SCTP_TCB_UNLOCK(stcb); 3160 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3161 break; 3162 } 3163 } else 3164#endif 3165 { 3166 error = EAFNOSUPPORT; 3167 SCTP_TCB_UNLOCK(stcb); 3168 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3169 break; 3170 } 3171 } 3172 if (stcb) { 3173 if (net) { 3174 thlds->spt_pathmaxrxt = net->failure_threshold; 3175 thlds->spt_pathpfthld = net->pf_threshold; 3176 } else { 3177 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3178 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3179 } 3180 thlds->spt_assoc_id = sctp_get_associd(stcb); 3181 SCTP_TCB_UNLOCK(stcb); 3182 } else { 3183 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3184 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3185 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3186 /* Use endpoint defaults */ 3187 SCTP_INP_RLOCK(inp); 3188 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3189 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3190 SCTP_INP_RUNLOCK(inp); 3191 } else { 3192 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3193 error = EINVAL; 3194 } 3195 } 3196 if (error == 0) { 3197 *optsize = sizeof(struct sctp_paddrthlds); 3198 } 3199 break; 3200 } 3201 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3202 { 3203 struct sctp_udpencaps *encaps; 3204 struct sctp_nets *net; 3205 3206 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3207 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3208 3209 if (stcb) { 3210 net = sctp_findnet(stcb, (struct sockaddr *)&encaps->sue_address); 3211 } else { 3212 /* 3213 * We increment here since 3214 * sctp_findassociation_ep_addr() wil do a 3215 * decrement if it finds the stcb as long as 3216 * the locked tcb (last argument) is NOT a 3217 * TCB.. aka NULL. 3218 */ 3219 net = NULL; 3220 SCTP_INP_INCR_REF(inp); 3221 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&encaps->sue_address, &net, NULL, NULL); 3222 if (stcb == NULL) { 3223 SCTP_INP_DECR_REF(inp); 3224 } 3225 } 3226 if (stcb && (net == NULL)) { 3227 struct sockaddr *sa; 3228 3229 sa = (struct sockaddr *)&encaps->sue_address; 3230#ifdef INET 3231 if (sa->sa_family == AF_INET) { 3232 struct sockaddr_in *sin; 3233 3234 sin = (struct sockaddr_in *)sa; 3235 if (sin->sin_addr.s_addr) { 3236 error = EINVAL; 3237 SCTP_TCB_UNLOCK(stcb); 3238 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3239 break; 3240 } 3241 } else 3242#endif 3243#ifdef INET6 3244 if (sa->sa_family == AF_INET6) { 3245 struct sockaddr_in6 *sin6; 3246 3247 sin6 = (struct sockaddr_in6 *)sa; 3248 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3249 error = EINVAL; 3250 SCTP_TCB_UNLOCK(stcb); 3251 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3252 break; 3253 } 3254 } else 3255#endif 3256 { 3257 error = EAFNOSUPPORT; 3258 SCTP_TCB_UNLOCK(stcb); 3259 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3260 break; 3261 } 3262 } 3263 if (stcb) { 3264 if (net) { 3265 encaps->sue_port = net->port; 3266 } else { 3267 encaps->sue_port = stcb->asoc.port; 3268 } 3269 SCTP_TCB_UNLOCK(stcb); 3270 } else { 3271 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3272 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3273 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3274 SCTP_INP_RLOCK(inp); 3275 encaps->sue_port = inp->sctp_ep.port; 3276 SCTP_INP_RUNLOCK(inp); 3277 } else { 3278 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3279 error = EINVAL; 3280 } 3281 } 3282 if (error == 0) { 3283 *optsize = sizeof(struct sctp_paddrparams); 3284 } 3285 break; 3286 } 3287 case SCTP_ENABLE_STREAM_RESET: 3288 { 3289 struct sctp_assoc_value *av; 3290 3291 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3292 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3293 3294 if (stcb) { 3295 av->assoc_value = (uint32_t) stcb->asoc.local_strreset_support; 3296 SCTP_TCB_UNLOCK(stcb); 3297 } else { 3298 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3299 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3300 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3301 SCTP_INP_RLOCK(inp); 3302 av->assoc_value = (uint32_t) inp->local_strreset_support; 3303 SCTP_INP_RUNLOCK(inp); 3304 } else { 3305 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3306 error = EINVAL; 3307 } 3308 } 3309 if (error == 0) { 3310 *optsize = sizeof(struct sctp_assoc_value); 3311 } 3312 break; 3313 } 3314 default: 3315 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3316 error = ENOPROTOOPT; 3317 break; 3318 } /* end switch (sopt->sopt_name) */ 3319 if (error) { 3320 *optsize = 0; 3321 } 3322 return (error); 3323} 3324 3325static int 3326sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3327 void *p) 3328{ 3329 int error, set_opt; 3330 uint32_t *mopt; 3331 struct sctp_tcb *stcb = NULL; 3332 struct sctp_inpcb *inp = NULL; 3333 uint32_t vrf_id; 3334 3335 if (optval == NULL) { 3336 SCTP_PRINTF("optval is NULL\n"); 3337 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3338 return (EINVAL); 3339 } 3340 inp = (struct sctp_inpcb *)so->so_pcb; 3341 if (inp == NULL) { 3342 SCTP_PRINTF("inp is NULL?\n"); 3343 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3344 return (EINVAL); 3345 } 3346 vrf_id = inp->def_vrf_id; 3347 3348 error = 0; 3349 switch (optname) { 3350 case SCTP_NODELAY: 3351 case SCTP_AUTOCLOSE: 3352 case SCTP_AUTO_ASCONF: 3353 case SCTP_EXPLICIT_EOR: 3354 case SCTP_DISABLE_FRAGMENTS: 3355 case SCTP_USE_EXT_RCVINFO: 3356 case SCTP_I_WANT_MAPPED_V4_ADDR: 3357 /* copy in the option value */ 3358 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3359 set_opt = 0; 3360 if (error) 3361 break; 3362 switch (optname) { 3363 case SCTP_DISABLE_FRAGMENTS: 3364 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3365 break; 3366 case SCTP_AUTO_ASCONF: 3367 /* 3368 * NOTE: we don't really support this flag 3369 */ 3370 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3371 /* only valid for bound all sockets */ 3372 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3373 (*mopt != 0)) { 3374 /* forbidden by admin */ 3375 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3376 return (EPERM); 3377 } 3378 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3379 } else { 3380 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3381 return (EINVAL); 3382 } 3383 break; 3384 case SCTP_EXPLICIT_EOR: 3385 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3386 break; 3387 case SCTP_USE_EXT_RCVINFO: 3388 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3389 break; 3390 case SCTP_I_WANT_MAPPED_V4_ADDR: 3391 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3392 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3393 } else { 3394 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3395 return (EINVAL); 3396 } 3397 break; 3398 case SCTP_NODELAY: 3399 set_opt = SCTP_PCB_FLAGS_NODELAY; 3400 break; 3401 case SCTP_AUTOCLOSE: 3402 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3403 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3404 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3405 return (EINVAL); 3406 } 3407 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3408 /* 3409 * The value is in ticks. Note this does not effect 3410 * old associations, only new ones. 3411 */ 3412 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3413 break; 3414 } 3415 SCTP_INP_WLOCK(inp); 3416 if (*mopt != 0) { 3417 sctp_feature_on(inp, set_opt); 3418 } else { 3419 sctp_feature_off(inp, set_opt); 3420 } 3421 SCTP_INP_WUNLOCK(inp); 3422 break; 3423 case SCTP_REUSE_PORT: 3424 { 3425 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3426 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3427 /* Can't set it after we are bound */ 3428 error = EINVAL; 3429 break; 3430 } 3431 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3432 /* Can't do this for a 1-m socket */ 3433 error = EINVAL; 3434 break; 3435 } 3436 if (optval) 3437 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3438 else 3439 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3440 break; 3441 } 3442 case SCTP_PARTIAL_DELIVERY_POINT: 3443 { 3444 uint32_t *value; 3445 3446 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3447 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3448 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3449 error = EINVAL; 3450 break; 3451 } 3452 inp->partial_delivery_point = *value; 3453 break; 3454 } 3455 case SCTP_FRAGMENT_INTERLEAVE: 3456 /* not yet until we re-write sctp_recvmsg() */ 3457 { 3458 uint32_t *level; 3459 3460 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3461 if (*level == SCTP_FRAG_LEVEL_2) { 3462 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3463 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3464 } else if (*level == SCTP_FRAG_LEVEL_1) { 3465 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3466 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3467 } else if (*level == SCTP_FRAG_LEVEL_0) { 3468 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3469 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3470 3471 } else { 3472 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3473 error = EINVAL; 3474 } 3475 break; 3476 } 3477 case SCTP_CMT_ON_OFF: 3478 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3479 struct sctp_assoc_value *av; 3480 3481 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3482 if (av->assoc_value > SCTP_CMT_MAX) { 3483 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3484 error = EINVAL; 3485 break; 3486 } 3487 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3488 if (stcb) { 3489 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3490 SCTP_TCB_UNLOCK(stcb); 3491 } else { 3492 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3493 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3494 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3495 (av->assoc_id == SCTP_ALL_ASSOC)) { 3496 SCTP_INP_WLOCK(inp); 3497 inp->sctp_cmt_on_off = av->assoc_value; 3498 SCTP_INP_WUNLOCK(inp); 3499 } 3500 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3501 (av->assoc_id == SCTP_ALL_ASSOC)) { 3502 SCTP_INP_RLOCK(inp); 3503 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3504 SCTP_TCB_LOCK(stcb); 3505 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3506 SCTP_TCB_UNLOCK(stcb); 3507 } 3508 SCTP_INP_RUNLOCK(inp); 3509 } 3510 } 3511 } else { 3512 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3513 error = ENOPROTOOPT; 3514 } 3515 break; 3516 case SCTP_PLUGGABLE_CC: 3517 { 3518 struct sctp_assoc_value *av; 3519 struct sctp_nets *net; 3520 3521 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3522 if ((av->assoc_value != SCTP_CC_RFC2581) && 3523 (av->assoc_value != SCTP_CC_HSTCP) && 3524 (av->assoc_value != SCTP_CC_HTCP) && 3525 (av->assoc_value != SCTP_CC_RTCC)) { 3526 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3527 error = EINVAL; 3528 break; 3529 } 3530 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3531 if (stcb) { 3532 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3533 stcb->asoc.congestion_control_module = av->assoc_value; 3534 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3535 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3536 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3537 } 3538 } 3539 SCTP_TCB_UNLOCK(stcb); 3540 } else { 3541 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3542 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3543 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3544 (av->assoc_id == SCTP_ALL_ASSOC)) { 3545 SCTP_INP_WLOCK(inp); 3546 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3547 SCTP_INP_WUNLOCK(inp); 3548 } 3549 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3550 (av->assoc_id == SCTP_ALL_ASSOC)) { 3551 SCTP_INP_RLOCK(inp); 3552 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3553 SCTP_TCB_LOCK(stcb); 3554 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3555 stcb->asoc.congestion_control_module = av->assoc_value; 3556 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3557 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3558 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3559 } 3560 } 3561 SCTP_TCB_UNLOCK(stcb); 3562 } 3563 SCTP_INP_RUNLOCK(inp); 3564 } 3565 } 3566 break; 3567 } 3568 case SCTP_CC_OPTION: 3569 { 3570 struct sctp_cc_option *cc_opt; 3571 3572 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 3573 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 3574 if (stcb == NULL) { 3575 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 3576 SCTP_INP_RLOCK(inp); 3577 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3578 SCTP_TCB_LOCK(stcb); 3579 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 3580 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 3581 } 3582 SCTP_TCB_UNLOCK(stcb); 3583 } 3584 SCTP_INP_RUNLOCK(inp); 3585 } else { 3586 error = EINVAL; 3587 } 3588 } else { 3589 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 3590 error = ENOTSUP; 3591 } else { 3592 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 3593 cc_opt); 3594 } 3595 SCTP_TCB_UNLOCK(stcb); 3596 } 3597 break; 3598 } 3599 case SCTP_PLUGGABLE_SS: 3600 { 3601 struct sctp_assoc_value *av; 3602 3603 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3604 if ((av->assoc_value != SCTP_SS_DEFAULT) && 3605 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 3606 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 3607 (av->assoc_value != SCTP_SS_PRIORITY) && 3608 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 3609 (av->assoc_value != SCTP_SS_FIRST_COME)) { 3610 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3611 error = EINVAL; 3612 break; 3613 } 3614 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3615 if (stcb) { 3616 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 3617 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 3618 stcb->asoc.stream_scheduling_module = av->assoc_value; 3619 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 3620 SCTP_TCB_UNLOCK(stcb); 3621 } else { 3622 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3623 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3624 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3625 (av->assoc_id == SCTP_ALL_ASSOC)) { 3626 SCTP_INP_WLOCK(inp); 3627 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 3628 SCTP_INP_WUNLOCK(inp); 3629 } 3630 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3631 (av->assoc_id == SCTP_ALL_ASSOC)) { 3632 SCTP_INP_RLOCK(inp); 3633 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3634 SCTP_TCB_LOCK(stcb); 3635 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 3636 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 3637 stcb->asoc.stream_scheduling_module = av->assoc_value; 3638 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 3639 SCTP_TCB_UNLOCK(stcb); 3640 } 3641 SCTP_INP_RUNLOCK(inp); 3642 } 3643 } 3644 break; 3645 } 3646 case SCTP_SS_VALUE: 3647 { 3648 struct sctp_stream_value *av; 3649 3650 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 3651 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3652 if (stcb) { 3653 if (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 3654 av->stream_value) < 0) { 3655 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3656 error = EINVAL; 3657 } 3658 SCTP_TCB_UNLOCK(stcb); 3659 } else { 3660 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 3661 SCTP_INP_RLOCK(inp); 3662 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3663 SCTP_TCB_LOCK(stcb); 3664 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 3665 &stcb->asoc, 3666 &stcb->asoc.strmout[av->stream_id], 3667 av->stream_value); 3668 SCTP_TCB_UNLOCK(stcb); 3669 } 3670 SCTP_INP_RUNLOCK(inp); 3671 3672 } else { 3673 /* 3674 * Can't set stream value without 3675 * association 3676 */ 3677 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3678 error = EINVAL; 3679 } 3680 } 3681 break; 3682 } 3683 case SCTP_CLR_STAT_LOG: 3684 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3685 error = EOPNOTSUPP; 3686 break; 3687 case SCTP_CONTEXT: 3688 { 3689 struct sctp_assoc_value *av; 3690 3691 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3692 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3693 3694 if (stcb) { 3695 stcb->asoc.context = av->assoc_value; 3696 SCTP_TCB_UNLOCK(stcb); 3697 } else { 3698 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3699 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3700 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3701 (av->assoc_id == SCTP_ALL_ASSOC)) { 3702 SCTP_INP_WLOCK(inp); 3703 inp->sctp_context = av->assoc_value; 3704 SCTP_INP_WUNLOCK(inp); 3705 } 3706 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3707 (av->assoc_id == SCTP_ALL_ASSOC)) { 3708 SCTP_INP_RLOCK(inp); 3709 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3710 SCTP_TCB_LOCK(stcb); 3711 stcb->asoc.context = av->assoc_value; 3712 SCTP_TCB_UNLOCK(stcb); 3713 } 3714 SCTP_INP_RUNLOCK(inp); 3715 } 3716 } 3717 break; 3718 } 3719 case SCTP_VRF_ID: 3720 { 3721 uint32_t *default_vrfid; 3722 3723 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 3724 if (*default_vrfid > SCTP_MAX_VRF_ID) { 3725 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3726 error = EINVAL; 3727 break; 3728 } 3729 inp->def_vrf_id = *default_vrfid; 3730 break; 3731 } 3732 case SCTP_DEL_VRF_ID: 3733 { 3734 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3735 error = EOPNOTSUPP; 3736 break; 3737 } 3738 case SCTP_ADD_VRF_ID: 3739 { 3740 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3741 error = EOPNOTSUPP; 3742 break; 3743 } 3744 case SCTP_DELAYED_SACK: 3745 { 3746 struct sctp_sack_info *sack; 3747 3748 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 3749 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 3750 if (sack->sack_delay) { 3751 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 3752 sack->sack_delay = SCTP_MAX_SACK_DELAY; 3753 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 3754 sack->sack_delay = TICKS_TO_MSEC(1); 3755 } 3756 } 3757 if (stcb) { 3758 if (sack->sack_delay) { 3759 stcb->asoc.delayed_ack = sack->sack_delay; 3760 } 3761 if (sack->sack_freq) { 3762 stcb->asoc.sack_freq = sack->sack_freq; 3763 } 3764 SCTP_TCB_UNLOCK(stcb); 3765 } else { 3766 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3767 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3768 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 3769 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 3770 SCTP_INP_WLOCK(inp); 3771 if (sack->sack_delay) { 3772 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 3773 } 3774 if (sack->sack_freq) { 3775 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 3776 } 3777 SCTP_INP_WUNLOCK(inp); 3778 } 3779 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 3780 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 3781 SCTP_INP_RLOCK(inp); 3782 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3783 SCTP_TCB_LOCK(stcb); 3784 if (sack->sack_delay) { 3785 stcb->asoc.delayed_ack = sack->sack_delay; 3786 } 3787 if (sack->sack_freq) { 3788 stcb->asoc.sack_freq = sack->sack_freq; 3789 } 3790 SCTP_TCB_UNLOCK(stcb); 3791 } 3792 SCTP_INP_RUNLOCK(inp); 3793 } 3794 } 3795 break; 3796 } 3797 case SCTP_AUTH_CHUNK: 3798 { 3799 struct sctp_authchunk *sauth; 3800 3801 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 3802 3803 SCTP_INP_WLOCK(inp); 3804 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 3805 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3806 error = EINVAL; 3807 } 3808 SCTP_INP_WUNLOCK(inp); 3809 break; 3810 } 3811 case SCTP_AUTH_KEY: 3812 { 3813 struct sctp_authkey *sca; 3814 struct sctp_keyhead *shared_keys; 3815 sctp_sharedkey_t *shared_key; 3816 sctp_key_t *key = NULL; 3817 size_t size; 3818 3819 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 3820 if (sca->sca_keylength == 0) { 3821 size = optsize - sizeof(struct sctp_authkey); 3822 } else { 3823 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 3824 size = sca->sca_keylength; 3825 } else { 3826 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3827 error = EINVAL; 3828 break; 3829 } 3830 } 3831 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 3832 3833 if (stcb) { 3834 shared_keys = &stcb->asoc.shared_keys; 3835 /* clear the cached keys for this key id */ 3836 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 3837 /* 3838 * create the new shared key and 3839 * insert/replace it 3840 */ 3841 if (size > 0) { 3842 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3843 if (key == NULL) { 3844 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3845 error = ENOMEM; 3846 SCTP_TCB_UNLOCK(stcb); 3847 break; 3848 } 3849 } 3850 shared_key = sctp_alloc_sharedkey(); 3851 if (shared_key == NULL) { 3852 sctp_free_key(key); 3853 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3854 error = ENOMEM; 3855 SCTP_TCB_UNLOCK(stcb); 3856 break; 3857 } 3858 shared_key->key = key; 3859 shared_key->keyid = sca->sca_keynumber; 3860 error = sctp_insert_sharedkey(shared_keys, shared_key); 3861 SCTP_TCB_UNLOCK(stcb); 3862 } else { 3863 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3864 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3865 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 3866 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 3867 SCTP_INP_WLOCK(inp); 3868 shared_keys = &inp->sctp_ep.shared_keys; 3869 /* 3870 * clear the cached keys on all 3871 * assocs for this key id 3872 */ 3873 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 3874 /* 3875 * create the new shared key and 3876 * insert/replace it 3877 */ 3878 if (size > 0) { 3879 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3880 if (key == NULL) { 3881 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3882 error = ENOMEM; 3883 SCTP_INP_WUNLOCK(inp); 3884 break; 3885 } 3886 } 3887 shared_key = sctp_alloc_sharedkey(); 3888 if (shared_key == NULL) { 3889 sctp_free_key(key); 3890 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3891 error = ENOMEM; 3892 SCTP_INP_WUNLOCK(inp); 3893 break; 3894 } 3895 shared_key->key = key; 3896 shared_key->keyid = sca->sca_keynumber; 3897 error = sctp_insert_sharedkey(shared_keys, shared_key); 3898 SCTP_INP_WUNLOCK(inp); 3899 } 3900 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 3901 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 3902 SCTP_INP_RLOCK(inp); 3903 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3904 SCTP_TCB_LOCK(stcb); 3905 shared_keys = &stcb->asoc.shared_keys; 3906 /* 3907 * clear the cached keys for 3908 * this key id 3909 */ 3910 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 3911 /* 3912 * create the new shared key 3913 * and insert/replace it 3914 */ 3915 if (size > 0) { 3916 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3917 if (key == NULL) { 3918 SCTP_TCB_UNLOCK(stcb); 3919 continue; 3920 } 3921 } 3922 shared_key = sctp_alloc_sharedkey(); 3923 if (shared_key == NULL) { 3924 sctp_free_key(key); 3925 SCTP_TCB_UNLOCK(stcb); 3926 continue; 3927 } 3928 shared_key->key = key; 3929 shared_key->keyid = sca->sca_keynumber; 3930 error = sctp_insert_sharedkey(shared_keys, shared_key); 3931 SCTP_TCB_UNLOCK(stcb); 3932 } 3933 SCTP_INP_RUNLOCK(inp); 3934 } 3935 } 3936 break; 3937 } 3938 case SCTP_HMAC_IDENT: 3939 { 3940 struct sctp_hmacalgo *shmac; 3941 sctp_hmaclist_t *hmaclist; 3942 uint16_t hmacid; 3943 uint32_t i; 3944 size_t found; 3945 3946 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 3947 if (optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) { 3948 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3949 error = EINVAL; 3950 break; 3951 } 3952 hmaclist = sctp_alloc_hmaclist(shmac->shmac_number_of_idents); 3953 if (hmaclist == NULL) { 3954 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3955 error = ENOMEM; 3956 break; 3957 } 3958 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 3959 hmacid = shmac->shmac_idents[i]; 3960 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 3961 /* invalid HMACs were found */ ; 3962 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3963 error = EINVAL; 3964 sctp_free_hmaclist(hmaclist); 3965 goto sctp_set_hmac_done; 3966 } 3967 } 3968 found = 0; 3969 for (i = 0; i < hmaclist->num_algo; i++) { 3970 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 3971 /* already in list */ 3972 found = 1; 3973 } 3974 } 3975 if (!found) { 3976 sctp_free_hmaclist(hmaclist); 3977 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3978 error = EINVAL; 3979 break; 3980 } 3981 /* set it on the endpoint */ 3982 SCTP_INP_WLOCK(inp); 3983 if (inp->sctp_ep.local_hmacs) 3984 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 3985 inp->sctp_ep.local_hmacs = hmaclist; 3986 SCTP_INP_WUNLOCK(inp); 3987 sctp_set_hmac_done: 3988 break; 3989 } 3990 case SCTP_AUTH_ACTIVE_KEY: 3991 { 3992 struct sctp_authkeyid *scact; 3993 3994 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 3995 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 3996 3997 /* set the active key on the right place */ 3998 if (stcb) { 3999 /* set the active key on the assoc */ 4000 if (sctp_auth_setactivekey(stcb, 4001 scact->scact_keynumber)) { 4002 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4003 SCTP_FROM_SCTP_USRREQ, 4004 EINVAL); 4005 error = EINVAL; 4006 } 4007 SCTP_TCB_UNLOCK(stcb); 4008 } else { 4009 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4010 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4011 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4012 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4013 SCTP_INP_WLOCK(inp); 4014 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4015 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4016 error = EINVAL; 4017 } 4018 SCTP_INP_WUNLOCK(inp); 4019 } 4020 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4021 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4022 SCTP_INP_RLOCK(inp); 4023 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4024 SCTP_TCB_LOCK(stcb); 4025 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4026 SCTP_TCB_UNLOCK(stcb); 4027 } 4028 SCTP_INP_RUNLOCK(inp); 4029 } 4030 } 4031 break; 4032 } 4033 case SCTP_AUTH_DELETE_KEY: 4034 { 4035 struct sctp_authkeyid *scdel; 4036 4037 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4038 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4039 4040 /* delete the key from the right place */ 4041 if (stcb) { 4042 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4043 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4044 error = EINVAL; 4045 } 4046 SCTP_TCB_UNLOCK(stcb); 4047 } else { 4048 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4049 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4050 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4051 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4052 SCTP_INP_WLOCK(inp); 4053 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4054 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4055 error = EINVAL; 4056 } 4057 SCTP_INP_WUNLOCK(inp); 4058 } 4059 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4060 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4061 SCTP_INP_RLOCK(inp); 4062 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4063 SCTP_TCB_LOCK(stcb); 4064 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4065 SCTP_TCB_UNLOCK(stcb); 4066 } 4067 SCTP_INP_RUNLOCK(inp); 4068 } 4069 } 4070 break; 4071 } 4072 case SCTP_AUTH_DEACTIVATE_KEY: 4073 { 4074 struct sctp_authkeyid *keyid; 4075 4076 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4077 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4078 4079 /* deactivate the key from the right place */ 4080 if (stcb) { 4081 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4082 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4083 error = EINVAL; 4084 } 4085 SCTP_TCB_UNLOCK(stcb); 4086 } else { 4087 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4088 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4089 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4090 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4091 SCTP_INP_WLOCK(inp); 4092 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4093 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4094 error = EINVAL; 4095 } 4096 SCTP_INP_WUNLOCK(inp); 4097 } 4098 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4099 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4100 SCTP_INP_RLOCK(inp); 4101 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4102 SCTP_TCB_LOCK(stcb); 4103 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4104 SCTP_TCB_UNLOCK(stcb); 4105 } 4106 SCTP_INP_RUNLOCK(inp); 4107 } 4108 } 4109 break; 4110 } 4111 case SCTP_ENABLE_STREAM_RESET: 4112 { 4113 struct sctp_assoc_value *av; 4114 4115 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4116 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4117 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4118 error = EINVAL; 4119 break; 4120 } 4121 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4122 if (stcb) { 4123 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4124 SCTP_TCB_UNLOCK(stcb); 4125 } else { 4126 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4127 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4128 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4129 (av->assoc_id == SCTP_ALL_ASSOC)) { 4130 SCTP_INP_WLOCK(inp); 4131 inp->local_strreset_support = (uint8_t) av->assoc_value; 4132 SCTP_INP_WUNLOCK(inp); 4133 } 4134 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4135 (av->assoc_id == SCTP_ALL_ASSOC)) { 4136 SCTP_INP_RLOCK(inp); 4137 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4138 SCTP_TCB_LOCK(stcb); 4139 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4140 SCTP_TCB_UNLOCK(stcb); 4141 } 4142 SCTP_INP_RUNLOCK(inp); 4143 } 4144 } 4145 break; 4146 } 4147 case SCTP_RESET_STREAMS: 4148 { 4149 struct sctp_reset_streams *strrst; 4150 int i, send_out = 0; 4151 int send_in = 0; 4152 4153 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4154 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4155 if (stcb == NULL) { 4156 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4157 error = ENOENT; 4158 break; 4159 } 4160 if (stcb->asoc.peer_supports_strreset == 0) { 4161 /* 4162 * Peer does not support the chunk type. 4163 */ 4164 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4165 error = EOPNOTSUPP; 4166 SCTP_TCB_UNLOCK(stcb); 4167 break; 4168 } 4169 if (stcb->asoc.stream_reset_outstanding) { 4170 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4171 error = EALREADY; 4172 SCTP_TCB_UNLOCK(stcb); 4173 break; 4174 } 4175 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4176 send_in = 1; 4177 } 4178 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4179 send_out = 1; 4180 } 4181 if ((send_in == 0) && (send_out == 0)) { 4182 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4183 error = EINVAL; 4184 SCTP_TCB_UNLOCK(stcb); 4185 break; 4186 } 4187 for (i = 0; i < strrst->srs_number_streams; i++) { 4188 if ((send_in) && 4189 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) { 4190 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4191 error = EINVAL; 4192 break; 4193 } 4194 if ((send_out) && 4195 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) { 4196 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4197 error = EINVAL; 4198 break; 4199 } 4200 } 4201 if (error) { 4202 SCTP_TCB_UNLOCK(stcb); 4203 break; 4204 } 4205 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4206 strrst->srs_stream_list, 4207 send_out, send_in, 0, 0, 0, 0, 0); 4208 4209 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4210 SCTP_TCB_UNLOCK(stcb); 4211 break; 4212 } 4213 case SCTP_ADD_STREAMS: 4214 { 4215 struct sctp_add_streams *stradd; 4216 uint8_t addstream = 0; 4217 uint16_t add_o_strmcnt = 0; 4218 uint16_t add_i_strmcnt = 0; 4219 4220 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4221 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4222 if (stcb == NULL) { 4223 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4224 error = ENOENT; 4225 break; 4226 } 4227 if (stcb->asoc.peer_supports_strreset == 0) { 4228 /* 4229 * Peer does not support the chunk type. 4230 */ 4231 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4232 error = EOPNOTSUPP; 4233 SCTP_TCB_UNLOCK(stcb); 4234 break; 4235 } 4236 if (stcb->asoc.stream_reset_outstanding) { 4237 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4238 error = EALREADY; 4239 SCTP_TCB_UNLOCK(stcb); 4240 break; 4241 } 4242 if ((stradd->sas_outstrms == 0) && 4243 (stradd->sas_instrms == 0)) { 4244 error = EINVAL; 4245 goto skip_stuff; 4246 } 4247 if (stradd->sas_outstrms) { 4248 addstream = 1; 4249 /* We allocate here */ 4250 add_o_strmcnt = stradd->sas_outstrms; 4251 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4252 /* You can't have more than 64k */ 4253 error = EINVAL; 4254 goto skip_stuff; 4255 } 4256 } 4257 if (stradd->sas_instrms) { 4258 int cnt; 4259 4260 addstream |= 2; 4261 /* 4262 * We allocate inside 4263 * sctp_send_str_reset_req() 4264 */ 4265 add_i_strmcnt = stradd->sas_instrms; 4266 cnt = add_i_strmcnt; 4267 cnt += stcb->asoc.streamincnt; 4268 if (cnt > 0x0000ffff) { 4269 /* You can't have more than 64k */ 4270 error = EINVAL; 4271 goto skip_stuff; 4272 } 4273 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4274 /* More than you are allowed */ 4275 error = EINVAL; 4276 goto skip_stuff; 4277 } 4278 } 4279 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4280 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4281 skip_stuff: 4282 SCTP_TCB_UNLOCK(stcb); 4283 break; 4284 } 4285 case SCTP_RESET_ASSOC: 4286 { 4287 uint32_t *value; 4288 4289 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4290 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 4291 if (stcb == NULL) { 4292 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4293 error = ENOENT; 4294 break; 4295 } 4296 if (stcb->asoc.peer_supports_strreset == 0) { 4297 /* 4298 * Peer does not support the chunk type. 4299 */ 4300 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4301 error = EOPNOTSUPP; 4302 SCTP_TCB_UNLOCK(stcb); 4303 break; 4304 } 4305 if (stcb->asoc.stream_reset_outstanding) { 4306 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4307 error = EALREADY; 4308 SCTP_TCB_UNLOCK(stcb); 4309 break; 4310 } 4311 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 1, 0, 0, 0, 0); 4312 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4313 SCTP_TCB_UNLOCK(stcb); 4314 break; 4315 } 4316 case SCTP_CONNECT_X: 4317 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4318 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4319 error = EINVAL; 4320 break; 4321 } 4322 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4323 break; 4324 case SCTP_CONNECT_X_DELAYED: 4325 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4326 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4327 error = EINVAL; 4328 break; 4329 } 4330 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4331 break; 4332 case SCTP_CONNECT_X_COMPLETE: 4333 { 4334 struct sockaddr *sa; 4335 struct sctp_nets *net; 4336 4337 /* FIXME MT: check correct? */ 4338 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4339 4340 /* find tcb */ 4341 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4342 SCTP_INP_RLOCK(inp); 4343 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4344 if (stcb) { 4345 SCTP_TCB_LOCK(stcb); 4346 net = sctp_findnet(stcb, sa); 4347 } 4348 SCTP_INP_RUNLOCK(inp); 4349 } else { 4350 /* 4351 * We increment here since 4352 * sctp_findassociation_ep_addr() wil do a 4353 * decrement if it finds the stcb as long as 4354 * the locked tcb (last argument) is NOT a 4355 * TCB.. aka NULL. 4356 */ 4357 SCTP_INP_INCR_REF(inp); 4358 stcb = sctp_findassociation_ep_addr(&inp, sa, &net, NULL, NULL); 4359 if (stcb == NULL) { 4360 SCTP_INP_DECR_REF(inp); 4361 } 4362 } 4363 4364 if (stcb == NULL) { 4365 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4366 error = ENOENT; 4367 break; 4368 } 4369 if (stcb->asoc.delayed_connection == 1) { 4370 stcb->asoc.delayed_connection = 0; 4371 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4372 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4373 stcb->asoc.primary_destination, 4374 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 4375 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4376 } else { 4377 /* 4378 * already expired or did not use delayed 4379 * connectx 4380 */ 4381 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4382 error = EALREADY; 4383 } 4384 SCTP_TCB_UNLOCK(stcb); 4385 break; 4386 } 4387 case SCTP_MAX_BURST: 4388 { 4389 struct sctp_assoc_value *av; 4390 4391 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4392 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4393 4394 if (stcb) { 4395 stcb->asoc.max_burst = av->assoc_value; 4396 SCTP_TCB_UNLOCK(stcb); 4397 } else { 4398 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4399 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4400 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4401 (av->assoc_id == SCTP_ALL_ASSOC)) { 4402 SCTP_INP_WLOCK(inp); 4403 inp->sctp_ep.max_burst = av->assoc_value; 4404 SCTP_INP_WUNLOCK(inp); 4405 } 4406 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4407 (av->assoc_id == SCTP_ALL_ASSOC)) { 4408 SCTP_INP_RLOCK(inp); 4409 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4410 SCTP_TCB_LOCK(stcb); 4411 stcb->asoc.max_burst = av->assoc_value; 4412 SCTP_TCB_UNLOCK(stcb); 4413 } 4414 SCTP_INP_RUNLOCK(inp); 4415 } 4416 } 4417 break; 4418 } 4419 case SCTP_MAXSEG: 4420 { 4421 struct sctp_assoc_value *av; 4422 int ovh; 4423 4424 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4425 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4426 4427 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4428 ovh = SCTP_MED_OVERHEAD; 4429 } else { 4430 ovh = SCTP_MED_V4_OVERHEAD; 4431 } 4432 if (stcb) { 4433 if (av->assoc_value) { 4434 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4435 } else { 4436 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4437 } 4438 SCTP_TCB_UNLOCK(stcb); 4439 } else { 4440 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4441 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4442 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4443 SCTP_INP_WLOCK(inp); 4444 /* 4445 * FIXME MT: I think this is not in 4446 * tune with the API ID 4447 */ 4448 if (av->assoc_value) { 4449 inp->sctp_frag_point = (av->assoc_value + ovh); 4450 } else { 4451 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4452 } 4453 SCTP_INP_WUNLOCK(inp); 4454 } else { 4455 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4456 error = EINVAL; 4457 } 4458 } 4459 break; 4460 } 4461 case SCTP_EVENTS: 4462 { 4463 struct sctp_event_subscribe *events; 4464 4465 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 4466 4467 SCTP_INP_WLOCK(inp); 4468 if (events->sctp_data_io_event) { 4469 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4470 } else { 4471 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4472 } 4473 4474 if (events->sctp_association_event) { 4475 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4476 } else { 4477 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4478 } 4479 4480 if (events->sctp_address_event) { 4481 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4482 } else { 4483 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4484 } 4485 4486 if (events->sctp_send_failure_event) { 4487 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4488 } else { 4489 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4490 } 4491 4492 if (events->sctp_peer_error_event) { 4493 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4494 } else { 4495 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4496 } 4497 4498 if (events->sctp_shutdown_event) { 4499 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4500 } else { 4501 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4502 } 4503 4504 if (events->sctp_partial_delivery_event) { 4505 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4506 } else { 4507 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4508 } 4509 4510 if (events->sctp_adaptation_layer_event) { 4511 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4512 } else { 4513 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4514 } 4515 4516 if (events->sctp_authentication_event) { 4517 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4518 } else { 4519 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4520 } 4521 4522 if (events->sctp_sender_dry_event) { 4523 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 4524 } else { 4525 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 4526 } 4527 4528 if (events->sctp_stream_reset_event) { 4529 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4530 } else { 4531 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4532 } 4533 SCTP_INP_WUNLOCK(inp); 4534 4535 SCTP_INP_RLOCK(inp); 4536 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4537 SCTP_TCB_LOCK(stcb); 4538 if (events->sctp_association_event) { 4539 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4540 } else { 4541 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4542 } 4543 if (events->sctp_address_event) { 4544 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4545 } else { 4546 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4547 } 4548 if (events->sctp_send_failure_event) { 4549 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4550 } else { 4551 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4552 } 4553 if (events->sctp_peer_error_event) { 4554 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4555 } else { 4556 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4557 } 4558 if (events->sctp_shutdown_event) { 4559 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4560 } else { 4561 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4562 } 4563 if (events->sctp_partial_delivery_event) { 4564 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4565 } else { 4566 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4567 } 4568 if (events->sctp_adaptation_layer_event) { 4569 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4570 } else { 4571 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4572 } 4573 if (events->sctp_authentication_event) { 4574 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4575 } else { 4576 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4577 } 4578 if (events->sctp_sender_dry_event) { 4579 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4580 } else { 4581 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4582 } 4583 if (events->sctp_stream_reset_event) { 4584 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4585 } else { 4586 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4587 } 4588 SCTP_TCB_UNLOCK(stcb); 4589 } 4590 /* 4591 * Send up the sender dry event only for 1-to-1 4592 * style sockets. 4593 */ 4594 if (events->sctp_sender_dry_event) { 4595 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4596 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 4597 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4598 if (stcb) { 4599 SCTP_TCB_LOCK(stcb); 4600 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 4601 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 4602 (stcb->asoc.stream_queue_cnt == 0)) { 4603 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 4604 } 4605 SCTP_TCB_UNLOCK(stcb); 4606 } 4607 } 4608 } 4609 SCTP_INP_RUNLOCK(inp); 4610 break; 4611 } 4612 case SCTP_ADAPTATION_LAYER: 4613 { 4614 struct sctp_setadaptation *adap_bits; 4615 4616 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 4617 SCTP_INP_WLOCK(inp); 4618 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 4619 SCTP_INP_WUNLOCK(inp); 4620 break; 4621 } 4622#ifdef SCTP_DEBUG 4623 case SCTP_SET_INITIAL_DBG_SEQ: 4624 { 4625 uint32_t *vvv; 4626 4627 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 4628 SCTP_INP_WLOCK(inp); 4629 inp->sctp_ep.initial_sequence_debug = *vvv; 4630 SCTP_INP_WUNLOCK(inp); 4631 break; 4632 } 4633#endif 4634 case SCTP_DEFAULT_SEND_PARAM: 4635 { 4636 struct sctp_sndrcvinfo *s_info; 4637 4638 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 4639 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 4640 4641 if (stcb) { 4642 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 4643 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 4644 } else { 4645 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4646 error = EINVAL; 4647 } 4648 SCTP_TCB_UNLOCK(stcb); 4649 } else { 4650 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4651 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4652 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 4653 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 4654 SCTP_INP_WLOCK(inp); 4655 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 4656 SCTP_INP_WUNLOCK(inp); 4657 } 4658 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 4659 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 4660 SCTP_INP_RLOCK(inp); 4661 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4662 SCTP_TCB_LOCK(stcb); 4663 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 4664 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 4665 } 4666 SCTP_TCB_UNLOCK(stcb); 4667 } 4668 SCTP_INP_RUNLOCK(inp); 4669 } 4670 } 4671 break; 4672 } 4673 case SCTP_PEER_ADDR_PARAMS: 4674 { 4675 struct sctp_paddrparams *paddrp; 4676 struct sctp_nets *net; 4677 4678 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 4679 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 4680 net = NULL; 4681 if (stcb) { 4682 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 4683 } else { 4684 /* 4685 * We increment here since 4686 * sctp_findassociation_ep_addr() wil do a 4687 * decrement if it finds the stcb as long as 4688 * the locked tcb (last argument) is NOT a 4689 * TCB.. aka NULL. 4690 */ 4691 SCTP_INP_INCR_REF(inp); 4692 stcb = sctp_findassociation_ep_addr(&inp, 4693 (struct sockaddr *)&paddrp->spp_address, 4694 &net, NULL, NULL); 4695 if (stcb == NULL) { 4696 SCTP_INP_DECR_REF(inp); 4697 } 4698 } 4699 if (stcb && (net == NULL)) { 4700 struct sockaddr *sa; 4701 4702 sa = (struct sockaddr *)&paddrp->spp_address; 4703#ifdef INET 4704 if (sa->sa_family == AF_INET) { 4705 4706 struct sockaddr_in *sin; 4707 4708 sin = (struct sockaddr_in *)sa; 4709 if (sin->sin_addr.s_addr) { 4710 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4711 SCTP_TCB_UNLOCK(stcb); 4712 error = EINVAL; 4713 break; 4714 } 4715 } else 4716#endif 4717#ifdef INET6 4718 if (sa->sa_family == AF_INET6) { 4719 struct sockaddr_in6 *sin6; 4720 4721 sin6 = (struct sockaddr_in6 *)sa; 4722 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 4723 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4724 SCTP_TCB_UNLOCK(stcb); 4725 error = EINVAL; 4726 break; 4727 } 4728 } else 4729#endif 4730 { 4731 error = EAFNOSUPPORT; 4732 SCTP_TCB_UNLOCK(stcb); 4733 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4734 break; 4735 } 4736 } 4737 /* sanity checks */ 4738 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 4739 if (stcb) 4740 SCTP_TCB_UNLOCK(stcb); 4741 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4742 return (EINVAL); 4743 } 4744 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 4745 if (stcb) 4746 SCTP_TCB_UNLOCK(stcb); 4747 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4748 return (EINVAL); 4749 } 4750 if (stcb) { 4751 /************************TCB SPECIFIC SET ******************/ 4752 /* 4753 * do we change the timer for HB, we run 4754 * only one? 4755 */ 4756 int ovh = 0; 4757 4758 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4759 ovh = SCTP_MED_OVERHEAD; 4760 } else { 4761 ovh = SCTP_MED_V4_OVERHEAD; 4762 } 4763 4764 /* network sets ? */ 4765 if (net) { 4766 /************************NET SPECIFIC SET ******************/ 4767 if (paddrp->spp_flags & SPP_HB_DISABLE) { 4768 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 4769 !(net->dest_state & SCTP_ADDR_NOHB)) { 4770 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4771 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4772 } 4773 net->dest_state |= SCTP_ADDR_NOHB; 4774 } 4775 if (paddrp->spp_flags & SPP_HB_ENABLE) { 4776 if (paddrp->spp_hbinterval) { 4777 net->heart_beat_delay = paddrp->spp_hbinterval; 4778 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4779 net->heart_beat_delay = 0; 4780 } 4781 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4782 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4783 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4784 net->dest_state &= ~SCTP_ADDR_NOHB; 4785 } 4786 if (paddrp->spp_flags & SPP_HB_DEMAND) { 4787 /* on demand HB */ 4788 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4789 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 4790 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4791 } 4792 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 4793 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4794 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 4795 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4796 } 4797 net->dest_state |= SCTP_ADDR_NO_PMTUD; 4798 if (paddrp->spp_pathmtu > SCTP_DEFAULT_MINSEGMENT) { 4799 net->mtu = paddrp->spp_pathmtu + ovh; 4800 if (net->mtu < stcb->asoc.smallest_mtu) { 4801 sctp_pathmtu_adjustment(stcb, net->mtu); 4802 } 4803 } 4804 } 4805 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 4806 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4807 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 4808 } 4809 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 4810 } 4811 if (paddrp->spp_pathmaxrxt) { 4812 if (net->dest_state & SCTP_ADDR_PF) { 4813 if (net->error_count > paddrp->spp_pathmaxrxt) { 4814 net->dest_state &= ~SCTP_ADDR_PF; 4815 } 4816 } else { 4817 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 4818 (net->error_count > net->pf_threshold)) { 4819 net->dest_state |= SCTP_ADDR_PF; 4820 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4821 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 4822 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 4823 } 4824 } 4825 if (net->dest_state & SCTP_ADDR_REACHABLE) { 4826 if (net->error_count > paddrp->spp_pathmaxrxt) { 4827 net->dest_state &= ~SCTP_ADDR_REACHABLE; 4828 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 4829 } 4830 } else { 4831 if (net->error_count <= paddrp->spp_pathmaxrxt) { 4832 net->dest_state |= SCTP_ADDR_REACHABLE; 4833 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 4834 } 4835 } 4836 net->failure_threshold = paddrp->spp_pathmaxrxt; 4837 } 4838 if (paddrp->spp_flags & SPP_DSCP) { 4839 net->dscp = paddrp->spp_dscp & 0xfc; 4840 net->dscp |= 0x01; 4841 } 4842#ifdef INET6 4843 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 4844 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 4845 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4846 net->flowlabel |= 0x80000000; 4847 } 4848 } 4849#endif 4850 } else { 4851 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 4852 if (paddrp->spp_pathmaxrxt) { 4853 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 4854 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4855 if (net->dest_state & SCTP_ADDR_PF) { 4856 if (net->error_count > paddrp->spp_pathmaxrxt) { 4857 net->dest_state &= ~SCTP_ADDR_PF; 4858 } 4859 } else { 4860 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 4861 (net->error_count > net->pf_threshold)) { 4862 net->dest_state |= SCTP_ADDR_PF; 4863 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4864 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 4865 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 4866 } 4867 } 4868 if (net->dest_state & SCTP_ADDR_REACHABLE) { 4869 if (net->error_count > paddrp->spp_pathmaxrxt) { 4870 net->dest_state &= ~SCTP_ADDR_REACHABLE; 4871 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 4872 } 4873 } else { 4874 if (net->error_count <= paddrp->spp_pathmaxrxt) { 4875 net->dest_state |= SCTP_ADDR_REACHABLE; 4876 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 4877 } 4878 } 4879 net->failure_threshold = paddrp->spp_pathmaxrxt; 4880 } 4881 } 4882 if (paddrp->spp_flags & SPP_HB_ENABLE) { 4883 if (paddrp->spp_hbinterval) { 4884 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 4885 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4886 stcb->asoc.heart_beat_delay = 0; 4887 } 4888 /* Turn back on the timer */ 4889 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4890 if (paddrp->spp_hbinterval) { 4891 net->heart_beat_delay = paddrp->spp_hbinterval; 4892 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4893 net->heart_beat_delay = 0; 4894 } 4895 if (net->dest_state & SCTP_ADDR_NOHB) { 4896 net->dest_state &= ~SCTP_ADDR_NOHB; 4897 } 4898 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4899 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4900 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4901 } 4902 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4903 } 4904 if (paddrp->spp_flags & SPP_HB_DISABLE) { 4905 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4906 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 4907 net->dest_state |= SCTP_ADDR_NOHB; 4908 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 4909 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4910 } 4911 } 4912 } 4913 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4914 } 4915 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 4916 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4917 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4918 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 4919 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4920 } 4921 net->dest_state |= SCTP_ADDR_NO_PMTUD; 4922 if (paddrp->spp_pathmtu > SCTP_DEFAULT_MINSEGMENT) { 4923 net->mtu = paddrp->spp_pathmtu + ovh; 4924 if (net->mtu < stcb->asoc.smallest_mtu) { 4925 sctp_pathmtu_adjustment(stcb, net->mtu); 4926 } 4927 } 4928 } 4929 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4930 } 4931 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 4932 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4933 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4934 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 4935 } 4936 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 4937 } 4938 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4939 } 4940 if (paddrp->spp_flags & SPP_DSCP) { 4941 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4942 net->dscp = paddrp->spp_dscp & 0xfc; 4943 net->dscp |= 0x01; 4944 } 4945 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 4946 stcb->asoc.default_dscp |= 0x01; 4947 } 4948#ifdef INET6 4949 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 4950 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4951 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 4952 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4953 net->flowlabel |= 0x80000000; 4954 } 4955 } 4956 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4957 stcb->asoc.default_flowlabel |= 0x80000000; 4958 } 4959#endif 4960 } 4961 SCTP_TCB_UNLOCK(stcb); 4962 } else { 4963 /************************NO TCB, SET TO default stuff ******************/ 4964 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4965 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4966 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 4967 SCTP_INP_WLOCK(inp); 4968 /* 4969 * For the TOS/FLOWLABEL stuff you 4970 * set it with the options on the 4971 * socket 4972 */ 4973 if (paddrp->spp_pathmaxrxt) { 4974 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 4975 } 4976 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 4977 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 4978 else if (paddrp->spp_hbinterval) { 4979 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 4980 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 4981 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 4982 } 4983 if (paddrp->spp_flags & SPP_HB_ENABLE) { 4984 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4985 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 4986 } else if (paddrp->spp_hbinterval) { 4987 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 4988 } 4989 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4990 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 4991 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4992 } 4993 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 4994 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4995 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 4996 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4997 } 4998 if (paddrp->spp_flags & SPP_DSCP) { 4999 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5000 inp->sctp_ep.default_dscp |= 0x01; 5001 } 5002#ifdef INET6 5003 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5004 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5005 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5006 inp->sctp_ep.default_flowlabel |= 0x80000000; 5007 } 5008 } 5009#endif 5010 SCTP_INP_WUNLOCK(inp); 5011 } else { 5012 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5013 error = EINVAL; 5014 } 5015 } 5016 break; 5017 } 5018 case SCTP_RTOINFO: 5019 { 5020 struct sctp_rtoinfo *srto; 5021 uint32_t new_init, new_min, new_max; 5022 5023 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5024 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5025 5026 if (stcb) { 5027 if (srto->srto_initial) 5028 new_init = srto->srto_initial; 5029 else 5030 new_init = stcb->asoc.initial_rto; 5031 if (srto->srto_max) 5032 new_max = srto->srto_max; 5033 else 5034 new_max = stcb->asoc.maxrto; 5035 if (srto->srto_min) 5036 new_min = srto->srto_min; 5037 else 5038 new_min = stcb->asoc.minrto; 5039 if ((new_min <= new_init) && (new_init <= new_max)) { 5040 stcb->asoc.initial_rto = new_init; 5041 stcb->asoc.maxrto = new_max; 5042 stcb->asoc.minrto = new_min; 5043 } else { 5044 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5045 error = EINVAL; 5046 } 5047 SCTP_TCB_UNLOCK(stcb); 5048 } else { 5049 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5050 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5051 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5052 SCTP_INP_WLOCK(inp); 5053 if (srto->srto_initial) 5054 new_init = srto->srto_initial; 5055 else 5056 new_init = inp->sctp_ep.initial_rto; 5057 if (srto->srto_max) 5058 new_max = srto->srto_max; 5059 else 5060 new_max = inp->sctp_ep.sctp_maxrto; 5061 if (srto->srto_min) 5062 new_min = srto->srto_min; 5063 else 5064 new_min = inp->sctp_ep.sctp_minrto; 5065 if ((new_min <= new_init) && (new_init <= new_max)) { 5066 inp->sctp_ep.initial_rto = new_init; 5067 inp->sctp_ep.sctp_maxrto = new_max; 5068 inp->sctp_ep.sctp_minrto = new_min; 5069 } else { 5070 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5071 error = EINVAL; 5072 } 5073 SCTP_INP_WUNLOCK(inp); 5074 } else { 5075 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5076 error = EINVAL; 5077 } 5078 } 5079 break; 5080 } 5081 case SCTP_ASSOCINFO: 5082 { 5083 struct sctp_assocparams *sasoc; 5084 5085 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5086 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5087 if (sasoc->sasoc_cookie_life) { 5088 /* boundary check the cookie life */ 5089 if (sasoc->sasoc_cookie_life < 1000) 5090 sasoc->sasoc_cookie_life = 1000; 5091 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5092 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5093 } 5094 } 5095 if (stcb) { 5096 if (sasoc->sasoc_asocmaxrxt) 5097 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5098 if (sasoc->sasoc_cookie_life) { 5099 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5100 } 5101 SCTP_TCB_UNLOCK(stcb); 5102 } else { 5103 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5104 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5105 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5106 SCTP_INP_WLOCK(inp); 5107 if (sasoc->sasoc_asocmaxrxt) 5108 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5109 if (sasoc->sasoc_cookie_life) { 5110 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5111 } 5112 SCTP_INP_WUNLOCK(inp); 5113 } else { 5114 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5115 error = EINVAL; 5116 } 5117 } 5118 break; 5119 } 5120 case SCTP_INITMSG: 5121 { 5122 struct sctp_initmsg *sinit; 5123 5124 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5125 SCTP_INP_WLOCK(inp); 5126 if (sinit->sinit_num_ostreams) 5127 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5128 5129 if (sinit->sinit_max_instreams) 5130 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5131 5132 if (sinit->sinit_max_attempts) 5133 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5134 5135 if (sinit->sinit_max_init_timeo) 5136 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5137 SCTP_INP_WUNLOCK(inp); 5138 break; 5139 } 5140 case SCTP_PRIMARY_ADDR: 5141 { 5142 struct sctp_setprim *spa; 5143 struct sctp_nets *net; 5144 5145 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5146 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5147 5148 net = NULL; 5149 if (stcb) { 5150 net = sctp_findnet(stcb, (struct sockaddr *)&spa->ssp_addr); 5151 } else { 5152 /* 5153 * We increment here since 5154 * sctp_findassociation_ep_addr() wil do a 5155 * decrement if it finds the stcb as long as 5156 * the locked tcb (last argument) is NOT a 5157 * TCB.. aka NULL. 5158 */ 5159 SCTP_INP_INCR_REF(inp); 5160 stcb = sctp_findassociation_ep_addr(&inp, 5161 (struct sockaddr *)&spa->ssp_addr, 5162 &net, NULL, NULL); 5163 if (stcb == NULL) { 5164 SCTP_INP_DECR_REF(inp); 5165 } 5166 } 5167 5168 if ((stcb) && (net)) { 5169 if ((net != stcb->asoc.primary_destination) && 5170 (!(net->dest_state & SCTP_ADDR_UNCONFIRMED))) { 5171 /* Ok we need to set it */ 5172 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5173 if ((stcb->asoc.alternate) && 5174 (!(net->dest_state & SCTP_ADDR_PF)) && 5175 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5176 sctp_free_remote_addr(stcb->asoc.alternate); 5177 stcb->asoc.alternate = NULL; 5178 } 5179 } 5180 } 5181 } else { 5182 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5183 error = EINVAL; 5184 } 5185 if (stcb) { 5186 SCTP_TCB_UNLOCK(stcb); 5187 } 5188 break; 5189 } 5190 case SCTP_SET_DYNAMIC_PRIMARY: 5191 { 5192 union sctp_sockstore *ss; 5193 5194 error = priv_check(curthread, 5195 PRIV_NETINET_RESERVEDPORT); 5196 if (error) 5197 break; 5198 5199 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5200 /* SUPER USER CHECK? */ 5201 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5202 break; 5203 } 5204 case SCTP_SET_PEER_PRIMARY_ADDR: 5205 { 5206 struct sctp_setpeerprim *sspp; 5207 5208 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5209 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5210 if (stcb != NULL) { 5211 struct sctp_ifa *ifa; 5212 5213 ifa = sctp_find_ifa_by_addr((struct sockaddr *)&sspp->sspp_addr, 5214 stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5215 if (ifa == NULL) { 5216 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5217 error = EINVAL; 5218 goto out_of_it; 5219 } 5220 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5221 /* 5222 * Must validate the ifa found is in 5223 * our ep 5224 */ 5225 struct sctp_laddr *laddr; 5226 int found = 0; 5227 5228 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5229 if (laddr->ifa == NULL) { 5230 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5231 __FUNCTION__); 5232 continue; 5233 } 5234 if (laddr->ifa == ifa) { 5235 found = 1; 5236 break; 5237 } 5238 } 5239 if (!found) { 5240 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5241 error = EINVAL; 5242 goto out_of_it; 5243 } 5244 } 5245 if (sctp_set_primary_ip_address_sa(stcb, 5246 (struct sockaddr *)&sspp->sspp_addr) != 0) { 5247 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5248 error = EINVAL; 5249 } 5250 out_of_it: 5251 SCTP_TCB_UNLOCK(stcb); 5252 } else { 5253 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5254 error = EINVAL; 5255 } 5256 break; 5257 } 5258 case SCTP_BINDX_ADD_ADDR: 5259 { 5260 struct sctp_getaddresses *addrs; 5261 size_t sz; 5262 struct thread *td; 5263 5264 td = (struct thread *)p; 5265 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5266 optsize); 5267#ifdef INET 5268 if (addrs->addr->sa_family == AF_INET) { 5269 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in); 5270 if (optsize < sz) { 5271 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5272 error = EINVAL; 5273 break; 5274 } 5275 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5276 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5277 break; 5278 } 5279 } else 5280#endif 5281#ifdef INET6 5282 if (addrs->addr->sa_family == AF_INET6) { 5283 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6); 5284 if (optsize < sz) { 5285 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5286 error = EINVAL; 5287 break; 5288 } 5289 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5290 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5291 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5292 break; 5293 } 5294 } else 5295#endif 5296 { 5297 error = EAFNOSUPPORT; 5298 break; 5299 } 5300 sctp_bindx_add_address(so, inp, addrs->addr, 5301 addrs->sget_assoc_id, vrf_id, 5302 &error, p); 5303 break; 5304 } 5305 case SCTP_BINDX_REM_ADDR: 5306 { 5307 struct sctp_getaddresses *addrs; 5308 size_t sz; 5309 struct thread *td; 5310 5311 td = (struct thread *)p; 5312 5313 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5314#ifdef INET 5315 if (addrs->addr->sa_family == AF_INET) { 5316 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in); 5317 if (optsize < sz) { 5318 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5319 error = EINVAL; 5320 break; 5321 } 5322 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5323 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5324 break; 5325 } 5326 } else 5327#endif 5328#ifdef INET6 5329 if (addrs->addr->sa_family == AF_INET6) { 5330 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6); 5331 if (optsize < sz) { 5332 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5333 error = EINVAL; 5334 break; 5335 } 5336 if (td != NULL && 5337 (error = prison_local_ip6(td->td_ucred, 5338 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5339 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5340 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5341 break; 5342 } 5343 } else 5344#endif 5345 { 5346 error = EAFNOSUPPORT; 5347 break; 5348 } 5349 sctp_bindx_delete_address(inp, addrs->addr, 5350 addrs->sget_assoc_id, vrf_id, 5351 &error); 5352 break; 5353 } 5354 case SCTP_EVENT: 5355 { 5356 struct sctp_event *event; 5357 uint32_t event_type; 5358 5359 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 5360 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 5361 switch (event->se_type) { 5362 case SCTP_ASSOC_CHANGE: 5363 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 5364 break; 5365 case SCTP_PEER_ADDR_CHANGE: 5366 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 5367 break; 5368 case SCTP_REMOTE_ERROR: 5369 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 5370 break; 5371 case SCTP_SEND_FAILED: 5372 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 5373 break; 5374 case SCTP_SHUTDOWN_EVENT: 5375 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 5376 break; 5377 case SCTP_ADAPTATION_INDICATION: 5378 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 5379 break; 5380 case SCTP_PARTIAL_DELIVERY_EVENT: 5381 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 5382 break; 5383 case SCTP_AUTHENTICATION_EVENT: 5384 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 5385 break; 5386 case SCTP_STREAM_RESET_EVENT: 5387 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 5388 break; 5389 case SCTP_SENDER_DRY_EVENT: 5390 event_type = SCTP_PCB_FLAGS_DRYEVNT; 5391 break; 5392 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 5393 event_type = 0; 5394 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5395 error = ENOTSUP; 5396 break; 5397 case SCTP_ASSOC_RESET_EVENT: 5398 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 5399 break; 5400 case SCTP_STREAM_CHANGE_EVENT: 5401 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 5402 break; 5403 case SCTP_SEND_FAILED_EVENT: 5404 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 5405 break; 5406 default: 5407 event_type = 0; 5408 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5409 error = EINVAL; 5410 break; 5411 } 5412 if (event_type > 0) { 5413 if (stcb) { 5414 if (event->se_on) { 5415 sctp_stcb_feature_on(inp, stcb, event_type); 5416 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 5417 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5418 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5419 (stcb->asoc.stream_queue_cnt == 0)) { 5420 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5421 } 5422 } 5423 } else { 5424 sctp_stcb_feature_off(inp, stcb, event_type); 5425 } 5426 SCTP_TCB_UNLOCK(stcb); 5427 } else { 5428 /* 5429 * We don't want to send up a storm 5430 * of events, so return an error for 5431 * sender dry events 5432 */ 5433 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 5434 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 5435 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 5436 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 5437 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 5438 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5439 error = ENOTSUP; 5440 break; 5441 } 5442 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5443 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5444 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 5445 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5446 SCTP_INP_WLOCK(inp); 5447 if (event->se_on) { 5448 sctp_feature_on(inp, event_type); 5449 } else { 5450 sctp_feature_off(inp, event_type); 5451 } 5452 SCTP_INP_WUNLOCK(inp); 5453 } 5454 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 5455 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5456 SCTP_INP_RLOCK(inp); 5457 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5458 SCTP_TCB_LOCK(stcb); 5459 if (event->se_on) { 5460 sctp_stcb_feature_on(inp, stcb, event_type); 5461 } else { 5462 sctp_stcb_feature_off(inp, stcb, event_type); 5463 } 5464 SCTP_TCB_UNLOCK(stcb); 5465 } 5466 SCTP_INP_RUNLOCK(inp); 5467 } 5468 } 5469 } 5470 break; 5471 } 5472 case SCTP_RECVRCVINFO: 5473 { 5474 int *onoff; 5475 5476 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5477 SCTP_INP_WLOCK(inp); 5478 if (*onoff != 0) { 5479 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5480 } else { 5481 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5482 } 5483 SCTP_INP_WUNLOCK(inp); 5484 break; 5485 } 5486 case SCTP_RECVNXTINFO: 5487 { 5488 int *onoff; 5489 5490 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5491 SCTP_INP_WLOCK(inp); 5492 if (*onoff != 0) { 5493 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5494 } else { 5495 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5496 } 5497 SCTP_INP_WUNLOCK(inp); 5498 break; 5499 } 5500 case SCTP_DEFAULT_SNDINFO: 5501 { 5502 struct sctp_sndinfo *info; 5503 uint16_t policy; 5504 5505 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 5506 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 5507 5508 if (stcb) { 5509 if (info->snd_sid < stcb->asoc.streamoutcnt) { 5510 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 5511 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 5512 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 5513 stcb->asoc.def_send.sinfo_flags |= policy; 5514 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 5515 stcb->asoc.def_send.sinfo_context = info->snd_context; 5516 } else { 5517 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5518 error = EINVAL; 5519 } 5520 SCTP_TCB_UNLOCK(stcb); 5521 } else { 5522 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5523 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5524 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 5525 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 5526 SCTP_INP_WLOCK(inp); 5527 inp->def_send.sinfo_stream = info->snd_sid; 5528 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 5529 inp->def_send.sinfo_flags = info->snd_flags; 5530 inp->def_send.sinfo_flags |= policy; 5531 inp->def_send.sinfo_ppid = info->snd_ppid; 5532 inp->def_send.sinfo_context = info->snd_context; 5533 SCTP_INP_WUNLOCK(inp); 5534 } 5535 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 5536 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 5537 SCTP_INP_RLOCK(inp); 5538 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5539 SCTP_TCB_LOCK(stcb); 5540 if (info->snd_sid < stcb->asoc.streamoutcnt) { 5541 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 5542 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 5543 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 5544 stcb->asoc.def_send.sinfo_flags |= policy; 5545 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 5546 stcb->asoc.def_send.sinfo_context = info->snd_context; 5547 } 5548 SCTP_TCB_UNLOCK(stcb); 5549 } 5550 SCTP_INP_RUNLOCK(inp); 5551 } 5552 } 5553 break; 5554 } 5555 case SCTP_DEFAULT_PRINFO: 5556 { 5557 struct sctp_default_prinfo *info; 5558 5559 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 5560 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 5561 5562 if (PR_SCTP_INVALID_POLICY(info->pr_policy)) { 5563 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5564 error = EINVAL; 5565 break; 5566 } 5567 if (stcb) { 5568 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 5569 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 5570 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 5571 SCTP_TCB_UNLOCK(stcb); 5572 } else { 5573 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5574 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5575 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 5576 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 5577 SCTP_INP_WLOCK(inp); 5578 inp->def_send.sinfo_flags &= 0xfff0; 5579 inp->def_send.sinfo_flags |= info->pr_policy; 5580 inp->def_send.sinfo_timetolive = info->pr_value; 5581 SCTP_INP_WUNLOCK(inp); 5582 } 5583 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 5584 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 5585 SCTP_INP_RLOCK(inp); 5586 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5587 SCTP_TCB_LOCK(stcb); 5588 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 5589 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 5590 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 5591 SCTP_TCB_UNLOCK(stcb); 5592 } 5593 SCTP_INP_RUNLOCK(inp); 5594 } 5595 } 5596 break; 5597 } 5598 case SCTP_PEER_ADDR_THLDS: 5599 /* Applies to the specific association */ 5600 { 5601 struct sctp_paddrthlds *thlds; 5602 struct sctp_nets *net; 5603 5604 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 5605 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 5606 net = NULL; 5607 if (stcb) { 5608 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_assoc_id); 5609 } else { 5610 /* 5611 * We increment here since 5612 * sctp_findassociation_ep_addr() wil do a 5613 * decrement if it finds the stcb as long as 5614 * the locked tcb (last argument) is NOT a 5615 * TCB.. aka NULL. 5616 */ 5617 SCTP_INP_INCR_REF(inp); 5618 stcb = sctp_findassociation_ep_addr(&inp, 5619 (struct sockaddr *)&thlds->spt_assoc_id, 5620 &net, NULL, NULL); 5621 if (stcb == NULL) { 5622 SCTP_INP_DECR_REF(inp); 5623 } 5624 } 5625 if (stcb && (net == NULL)) { 5626 struct sockaddr *sa; 5627 5628 sa = (struct sockaddr *)&thlds->spt_assoc_id; 5629#ifdef INET 5630 if (sa->sa_family == AF_INET) { 5631 5632 struct sockaddr_in *sin; 5633 5634 sin = (struct sockaddr_in *)sa; 5635 if (sin->sin_addr.s_addr) { 5636 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5637 SCTP_TCB_UNLOCK(stcb); 5638 error = EINVAL; 5639 break; 5640 } 5641 } else 5642#endif 5643#ifdef INET6 5644 if (sa->sa_family == AF_INET6) { 5645 struct sockaddr_in6 *sin6; 5646 5647 sin6 = (struct sockaddr_in6 *)sa; 5648 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5649 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5650 SCTP_TCB_UNLOCK(stcb); 5651 error = EINVAL; 5652 break; 5653 } 5654 } else 5655#endif 5656 { 5657 error = EAFNOSUPPORT; 5658 SCTP_TCB_UNLOCK(stcb); 5659 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5660 break; 5661 } 5662 } 5663 if (stcb) { 5664 if (net) { 5665 if (net->dest_state & SCTP_ADDR_PF) { 5666 if ((net->failure_threshold > thlds->spt_pathmaxrxt) || 5667 (net->failure_threshold <= thlds->spt_pathpfthld)) { 5668 net->dest_state &= ~SCTP_ADDR_PF; 5669 } 5670 } else { 5671 if ((net->failure_threshold > thlds->spt_pathpfthld) && 5672 (net->failure_threshold <= thlds->spt_pathmaxrxt)) { 5673 net->dest_state |= SCTP_ADDR_PF; 5674 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5675 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5676 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5677 } 5678 } 5679 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5680 if (net->failure_threshold > thlds->spt_pathmaxrxt) { 5681 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5682 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5683 } 5684 } else { 5685 if (net->failure_threshold <= thlds->spt_pathmaxrxt) { 5686 net->dest_state |= SCTP_ADDR_REACHABLE; 5687 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5688 } 5689 } 5690 net->failure_threshold = thlds->spt_pathmaxrxt; 5691 net->pf_threshold = thlds->spt_pathpfthld; 5692 } else { 5693 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5694 if (net->dest_state & SCTP_ADDR_PF) { 5695 if ((net->failure_threshold > thlds->spt_pathmaxrxt) || 5696 (net->failure_threshold <= thlds->spt_pathpfthld)) { 5697 net->dest_state &= ~SCTP_ADDR_PF; 5698 } 5699 } else { 5700 if ((net->failure_threshold > thlds->spt_pathpfthld) && 5701 (net->failure_threshold <= thlds->spt_pathmaxrxt)) { 5702 net->dest_state |= SCTP_ADDR_PF; 5703 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5704 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5705 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5706 } 5707 } 5708 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5709 if (net->failure_threshold > thlds->spt_pathmaxrxt) { 5710 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5711 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5712 } 5713 } else { 5714 if (net->failure_threshold <= thlds->spt_pathmaxrxt) { 5715 net->dest_state |= SCTP_ADDR_REACHABLE; 5716 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5717 } 5718 } 5719 net->failure_threshold = thlds->spt_pathmaxrxt; 5720 net->pf_threshold = thlds->spt_pathpfthld; 5721 } 5722 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 5723 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 5724 } 5725 } else { 5726 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5727 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5728 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 5729 SCTP_INP_WLOCK(inp); 5730 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 5731 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 5732 SCTP_INP_WUNLOCK(inp); 5733 } else { 5734 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5735 error = EINVAL; 5736 } 5737 } 5738 break; 5739 } 5740 case SCTP_REMOTE_UDP_ENCAPS_PORT: 5741 { 5742 struct sctp_udpencaps *encaps; 5743 struct sctp_nets *net; 5744 5745 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 5746 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 5747 if (stcb) { 5748 net = sctp_findnet(stcb, (struct sockaddr *)&encaps->sue_address); 5749 } else { 5750 /* 5751 * We increment here since 5752 * sctp_findassociation_ep_addr() wil do a 5753 * decrement if it finds the stcb as long as 5754 * the locked tcb (last argument) is NOT a 5755 * TCB.. aka NULL. 5756 */ 5757 net = NULL; 5758 SCTP_INP_INCR_REF(inp); 5759 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&encaps->sue_address, &net, NULL, NULL); 5760 if (stcb == NULL) { 5761 SCTP_INP_DECR_REF(inp); 5762 } 5763 } 5764 if (stcb && (net == NULL)) { 5765 struct sockaddr *sa; 5766 5767 sa = (struct sockaddr *)&encaps->sue_address; 5768#ifdef INET 5769 if (sa->sa_family == AF_INET) { 5770 5771 struct sockaddr_in *sin; 5772 5773 sin = (struct sockaddr_in *)sa; 5774 if (sin->sin_addr.s_addr) { 5775 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5776 SCTP_TCB_UNLOCK(stcb); 5777 error = EINVAL; 5778 break; 5779 } 5780 } else 5781#endif 5782#ifdef INET6 5783 if (sa->sa_family == AF_INET6) { 5784 struct sockaddr_in6 *sin6; 5785 5786 sin6 = (struct sockaddr_in6 *)sa; 5787 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5788 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5789 SCTP_TCB_UNLOCK(stcb); 5790 error = EINVAL; 5791 break; 5792 } 5793 } else 5794#endif 5795 { 5796 error = EAFNOSUPPORT; 5797 SCTP_TCB_UNLOCK(stcb); 5798 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5799 break; 5800 } 5801 } 5802 if (stcb) { 5803 if (net) { 5804 net->port = encaps->sue_port; 5805 } else { 5806 stcb->asoc.port = encaps->sue_port; 5807 } 5808 SCTP_TCB_UNLOCK(stcb); 5809 } else { 5810 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5811 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5812 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 5813 SCTP_INP_WLOCK(inp); 5814 inp->sctp_ep.port = encaps->sue_port; 5815 SCTP_INP_WUNLOCK(inp); 5816 } else { 5817 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5818 error = EINVAL; 5819 } 5820 } 5821 break; 5822 } 5823 default: 5824 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 5825 error = ENOPROTOOPT; 5826 break; 5827 } /* end switch (opt) */ 5828 return (error); 5829} 5830 5831int 5832sctp_ctloutput(struct socket *so, struct sockopt *sopt) 5833{ 5834 void *optval = NULL; 5835 size_t optsize = 0; 5836 void *p; 5837 int error = 0; 5838 5839 if (sopt->sopt_level != IPPROTO_SCTP) { 5840 /* wrong proto level... send back up to IP */ 5841#ifdef INET6 5842 if (INP_CHECK_SOCKAF(so, AF_INET6)) 5843 error = ip6_ctloutput(so, sopt); 5844#endif /* INET6 */ 5845#if defined(INET) && defined(INET6) 5846 else 5847#endif 5848#ifdef INET 5849 error = ip_ctloutput(so, sopt); 5850#endif 5851 return (error); 5852 } 5853 optsize = sopt->sopt_valsize; 5854 if (optsize) { 5855 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 5856 if (optval == NULL) { 5857 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 5858 return (ENOBUFS); 5859 } 5860 error = sooptcopyin(sopt, optval, optsize, optsize); 5861 if (error) { 5862 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5863 goto out; 5864 } 5865 } 5866 p = (void *)sopt->sopt_td; 5867 if (sopt->sopt_dir == SOPT_SET) { 5868 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 5869 } else if (sopt->sopt_dir == SOPT_GET) { 5870 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 5871 } else { 5872 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5873 error = EINVAL; 5874 } 5875 if ((error == 0) && (optval != NULL)) { 5876 error = sooptcopyout(sopt, optval, optsize); 5877 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5878 } else if (optval != NULL) { 5879 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5880 } 5881out: 5882 return (error); 5883} 5884 5885#ifdef INET 5886static int 5887sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 5888{ 5889 int error = 0; 5890 int create_lock_on = 0; 5891 uint32_t vrf_id; 5892 struct sctp_inpcb *inp; 5893 struct sctp_tcb *stcb = NULL; 5894 5895 inp = (struct sctp_inpcb *)so->so_pcb; 5896 if (inp == NULL) { 5897 /* I made the same as TCP since we are not setup? */ 5898 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5899 return (ECONNRESET); 5900 } 5901 if (addr == NULL) { 5902 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5903 return EINVAL; 5904 } 5905 switch (addr->sa_family) { 5906#ifdef INET6 5907 case AF_INET6: 5908 { 5909 struct sockaddr_in6 *sin6p; 5910 5911 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 5912 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5913 return (EINVAL); 5914 } 5915 sin6p = (struct sockaddr_in6 *)addr; 5916 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 5917 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5918 return (error); 5919 } 5920 break; 5921 } 5922#endif 5923#ifdef INET 5924 case AF_INET: 5925 { 5926 struct sockaddr_in *sinp; 5927 5928 if (addr->sa_len != sizeof(struct sockaddr_in)) { 5929 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5930 return (EINVAL); 5931 } 5932 sinp = (struct sockaddr_in *)addr; 5933 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 5934 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5935 return (error); 5936 } 5937 break; 5938 } 5939#endif 5940 default: 5941 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 5942 return (EAFNOSUPPORT); 5943 } 5944 SCTP_INP_INCR_REF(inp); 5945 SCTP_ASOC_CREATE_LOCK(inp); 5946 create_lock_on = 1; 5947 5948 5949 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 5950 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 5951 /* Should I really unlock ? */ 5952 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 5953 error = EFAULT; 5954 goto out_now; 5955 } 5956#ifdef INET6 5957 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 5958 (addr->sa_family == AF_INET6)) { 5959 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5960 error = EINVAL; 5961 goto out_now; 5962 } 5963#endif /* INET6 */ 5964 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 5965 SCTP_PCB_FLAGS_UNBOUND) { 5966 /* Bind a ephemeral port */ 5967 error = sctp_inpcb_bind(so, NULL, NULL, p); 5968 if (error) { 5969 goto out_now; 5970 } 5971 } 5972 /* Now do we connect? */ 5973 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 5974 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 5975 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5976 error = EINVAL; 5977 goto out_now; 5978 } 5979 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 5980 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 5981 /* We are already connected AND the TCP model */ 5982 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 5983 error = EADDRINUSE; 5984 goto out_now; 5985 } 5986 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 5987 SCTP_INP_RLOCK(inp); 5988 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5989 SCTP_INP_RUNLOCK(inp); 5990 } else { 5991 /* 5992 * We increment here since sctp_findassociation_ep_addr() 5993 * will do a decrement if it finds the stcb as long as the 5994 * locked tcb (last argument) is NOT a TCB.. aka NULL. 5995 */ 5996 SCTP_INP_INCR_REF(inp); 5997 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 5998 if (stcb == NULL) { 5999 SCTP_INP_DECR_REF(inp); 6000 } else { 6001 SCTP_TCB_UNLOCK(stcb); 6002 } 6003 } 6004 if (stcb != NULL) { 6005 /* Already have or am bring up an association */ 6006 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 6007 error = EALREADY; 6008 goto out_now; 6009 } 6010 vrf_id = inp->def_vrf_id; 6011 /* We are GOOD to go */ 6012 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, p); 6013 if (stcb == NULL) { 6014 /* Gak! no memory */ 6015 goto out_now; 6016 } 6017 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 6018 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 6019 /* Set the connected flag so we can queue data */ 6020 soisconnecting(so); 6021 } 6022 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 6023 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 6024 6025 /* initialize authentication parameters for the assoc */ 6026 sctp_initialize_auth_params(inp, stcb); 6027 6028 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 6029 SCTP_TCB_UNLOCK(stcb); 6030out_now: 6031 if (create_lock_on) { 6032 SCTP_ASOC_CREATE_UNLOCK(inp); 6033 } 6034 SCTP_INP_DECR_REF(inp); 6035 return (error); 6036} 6037 6038#endif 6039 6040int 6041sctp_listen(struct socket *so, int backlog, struct thread *p) 6042{ 6043 /* 6044 * Note this module depends on the protocol processing being called 6045 * AFTER any socket level flags and backlog are applied to the 6046 * socket. The traditional way that the socket flags are applied is 6047 * AFTER protocol processing. We have made a change to the 6048 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 6049 * place if the socket API for SCTP is to work properly. 6050 */ 6051 6052 int error = 0; 6053 struct sctp_inpcb *inp; 6054 6055 inp = (struct sctp_inpcb *)so->so_pcb; 6056 if (inp == NULL) { 6057 /* I made the same as TCP since we are not setup? */ 6058 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6059 return (ECONNRESET); 6060 } 6061 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 6062 /* See if we have a listener */ 6063 struct sctp_inpcb *tinp; 6064 union sctp_sockstore store, *sp; 6065 6066 sp = &store; 6067 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 6068 /* not bound all */ 6069 struct sctp_laddr *laddr; 6070 6071 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6072 memcpy(&store, &laddr->ifa->address, sizeof(store)); 6073 switch (sp->sa.sa_family) { 6074#ifdef INET 6075 case AF_INET: 6076 sp->sin.sin_port = inp->sctp_lport; 6077 break; 6078#endif 6079#ifdef INET6 6080 case AF_INET6: 6081 sp->sin6.sin6_port = inp->sctp_lport; 6082 break; 6083#endif 6084 default: 6085 break; 6086 } 6087 tinp = sctp_pcb_findep(&sp->sa, 0, 0, inp->def_vrf_id); 6088 if (tinp && (tinp != inp) && 6089 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6090 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6091 (tinp->sctp_socket->so_qlimit)) { 6092 /* 6093 * we have a listener already and 6094 * its not this inp. 6095 */ 6096 SCTP_INP_DECR_REF(tinp); 6097 return (EADDRINUSE); 6098 } else if (tinp) { 6099 SCTP_INP_DECR_REF(tinp); 6100 } 6101 } 6102 } else { 6103 /* Setup a local addr bound all */ 6104 memset(&store, 0, sizeof(store)); 6105 switch (sp->sa.sa_family) { 6106#ifdef INET 6107 case AF_INET: 6108 store.sin.sin_port = inp->sctp_lport; 6109 break; 6110#endif 6111#ifdef INET6 6112 case AF_INET6: 6113 sp->sin6.sin6_port = inp->sctp_lport; 6114 break; 6115#endif 6116 default: 6117 break; 6118 } 6119#ifdef INET6 6120 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 6121 store.sa.sa_family = AF_INET6; 6122 store.sa.sa_len = sizeof(struct sockaddr_in6); 6123 } 6124#endif 6125#ifdef INET 6126 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 6127 store.sa.sa_family = AF_INET; 6128 store.sa.sa_len = sizeof(struct sockaddr_in); 6129 } 6130#endif 6131 tinp = sctp_pcb_findep(&sp->sa, 0, 0, inp->def_vrf_id); 6132 if (tinp && (tinp != inp) && 6133 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6134 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6135 (tinp->sctp_socket->so_qlimit)) { 6136 /* 6137 * we have a listener already and its not 6138 * this inp. 6139 */ 6140 SCTP_INP_DECR_REF(tinp); 6141 return (EADDRINUSE); 6142 } else if (tinp) { 6143 SCTP_INP_DECR_REF(inp); 6144 } 6145 } 6146 } 6147 SCTP_INP_RLOCK(inp); 6148#ifdef SCTP_LOCK_LOGGING 6149 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 6150 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 6151 } 6152#endif 6153 SOCK_LOCK(so); 6154 error = solisten_proto_check(so); 6155 if (error) { 6156 SOCK_UNLOCK(so); 6157 SCTP_INP_RUNLOCK(inp); 6158 return (error); 6159 } 6160 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 6161 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 6162 /* 6163 * The unlucky case - We are in the tcp pool with this guy. 6164 * - Someone else is in the main inp slot. - We must move 6165 * this guy (the listener) to the main slot - We must then 6166 * move the guy that was listener to the TCP Pool. 6167 */ 6168 if (sctp_swap_inpcb_for_listen(inp)) { 6169 goto in_use; 6170 } 6171 } 6172 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6173 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6174 /* We are already connected AND the TCP model */ 6175in_use: 6176 SCTP_INP_RUNLOCK(inp); 6177 SOCK_UNLOCK(so); 6178 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6179 return (EADDRINUSE); 6180 } 6181 SCTP_INP_RUNLOCK(inp); 6182 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 6183 /* We must do a bind. */ 6184 SOCK_UNLOCK(so); 6185 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 6186 /* bind error, probably perm */ 6187 return (error); 6188 } 6189 SOCK_LOCK(so); 6190 } 6191 /* It appears for 7.0 and on, we must always call this. */ 6192 solisten_proto(so, backlog); 6193 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 6194 /* remove the ACCEPTCONN flag for one-to-many sockets */ 6195 so->so_options &= ~SO_ACCEPTCONN; 6196 } 6197 if (backlog == 0) { 6198 /* turning off listen */ 6199 so->so_options &= ~SO_ACCEPTCONN; 6200 } 6201 SOCK_UNLOCK(so); 6202 return (error); 6203} 6204 6205static int sctp_defered_wakeup_cnt = 0; 6206 6207int 6208sctp_accept(struct socket *so, struct sockaddr **addr) 6209{ 6210 struct sctp_tcb *stcb; 6211 struct sctp_inpcb *inp; 6212 union sctp_sockstore store; 6213 6214#ifdef INET6 6215 int error; 6216 6217#endif 6218 inp = (struct sctp_inpcb *)so->so_pcb; 6219 6220 if (inp == NULL) { 6221 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6222 return (ECONNRESET); 6223 } 6224 SCTP_INP_RLOCK(inp); 6225 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 6226 SCTP_INP_RUNLOCK(inp); 6227 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 6228 return (EOPNOTSUPP); 6229 } 6230 if (so->so_state & SS_ISDISCONNECTED) { 6231 SCTP_INP_RUNLOCK(inp); 6232 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 6233 return (ECONNABORTED); 6234 } 6235 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6236 if (stcb == NULL) { 6237 SCTP_INP_RUNLOCK(inp); 6238 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6239 return (ECONNRESET); 6240 } 6241 SCTP_TCB_LOCK(stcb); 6242 SCTP_INP_RUNLOCK(inp); 6243 store = stcb->asoc.primary_destination->ro._l_addr; 6244 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 6245 SCTP_TCB_UNLOCK(stcb); 6246 switch (store.sa.sa_family) { 6247#ifdef INET 6248 case AF_INET: 6249 { 6250 struct sockaddr_in *sin; 6251 6252 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6253 if (sin == NULL) 6254 return (ENOMEM); 6255 sin->sin_family = AF_INET; 6256 sin->sin_len = sizeof(*sin); 6257 sin->sin_port = ((struct sockaddr_in *)&store)->sin_port; 6258 sin->sin_addr = ((struct sockaddr_in *)&store)->sin_addr; 6259 *addr = (struct sockaddr *)sin; 6260 break; 6261 } 6262#endif 6263#ifdef INET6 6264 case AF_INET6: 6265 { 6266 struct sockaddr_in6 *sin6; 6267 6268 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 6269 if (sin6 == NULL) 6270 return (ENOMEM); 6271 sin6->sin6_family = AF_INET6; 6272 sin6->sin6_len = sizeof(*sin6); 6273 sin6->sin6_port = ((struct sockaddr_in6 *)&store)->sin6_port; 6274 6275 sin6->sin6_addr = ((struct sockaddr_in6 *)&store)->sin6_addr; 6276 if ((error = sa6_recoverscope(sin6)) != 0) { 6277 SCTP_FREE_SONAME(sin6); 6278 return (error); 6279 } 6280 *addr = (struct sockaddr *)sin6; 6281 break; 6282 } 6283#endif 6284 default: 6285 /* TSNH */ 6286 break; 6287 } 6288 /* Wake any delayed sleep action */ 6289 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 6290 SCTP_INP_WLOCK(inp); 6291 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 6292 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 6293 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 6294 SCTP_INP_WUNLOCK(inp); 6295 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 6296 if (sowriteable(inp->sctp_socket)) { 6297 sowwakeup_locked(inp->sctp_socket); 6298 } else { 6299 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 6300 } 6301 SCTP_INP_WLOCK(inp); 6302 } 6303 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 6304 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 6305 SCTP_INP_WUNLOCK(inp); 6306 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 6307 if (soreadable(inp->sctp_socket)) { 6308 sctp_defered_wakeup_cnt++; 6309 sorwakeup_locked(inp->sctp_socket); 6310 } else { 6311 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 6312 } 6313 SCTP_INP_WLOCK(inp); 6314 } 6315 SCTP_INP_WUNLOCK(inp); 6316 } 6317 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 6318 SCTP_TCB_LOCK(stcb); 6319 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 6320 } 6321 return (0); 6322} 6323 6324#ifdef INET 6325int 6326sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 6327{ 6328 struct sockaddr_in *sin; 6329 uint32_t vrf_id; 6330 struct sctp_inpcb *inp; 6331 struct sctp_ifa *sctp_ifa; 6332 6333 /* 6334 * Do the malloc first in case it blocks. 6335 */ 6336 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6337 if (sin == NULL) 6338 return (ENOMEM); 6339 sin->sin_family = AF_INET; 6340 sin->sin_len = sizeof(*sin); 6341 inp = (struct sctp_inpcb *)so->so_pcb; 6342 if (!inp) { 6343 SCTP_FREE_SONAME(sin); 6344 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6345 return (ECONNRESET); 6346 } 6347 SCTP_INP_RLOCK(inp); 6348 sin->sin_port = inp->sctp_lport; 6349 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 6350 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6351 struct sctp_tcb *stcb; 6352 struct sockaddr_in *sin_a; 6353 struct sctp_nets *net; 6354 int fnd; 6355 6356 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6357 if (stcb == NULL) { 6358 goto notConn; 6359 } 6360 fnd = 0; 6361 sin_a = NULL; 6362 SCTP_TCB_LOCK(stcb); 6363 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6364 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 6365 if (sin_a == NULL) 6366 /* this will make coverity happy */ 6367 continue; 6368 6369 if (sin_a->sin_family == AF_INET) { 6370 fnd = 1; 6371 break; 6372 } 6373 } 6374 if ((!fnd) || (sin_a == NULL)) { 6375 /* punt */ 6376 SCTP_TCB_UNLOCK(stcb); 6377 goto notConn; 6378 } 6379 vrf_id = inp->def_vrf_id; 6380 sctp_ifa = sctp_source_address_selection(inp, 6381 stcb, 6382 (sctp_route_t *) & net->ro, 6383 net, 0, vrf_id); 6384 if (sctp_ifa) { 6385 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 6386 sctp_free_ifa(sctp_ifa); 6387 } 6388 SCTP_TCB_UNLOCK(stcb); 6389 } else { 6390 /* For the bound all case you get back 0 */ 6391 notConn: 6392 sin->sin_addr.s_addr = 0; 6393 } 6394 6395 } else { 6396 /* Take the first IPv4 address in the list */ 6397 struct sctp_laddr *laddr; 6398 int fnd = 0; 6399 6400 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6401 if (laddr->ifa->address.sa.sa_family == AF_INET) { 6402 struct sockaddr_in *sin_a; 6403 6404 sin_a = (struct sockaddr_in *)&laddr->ifa->address.sa; 6405 sin->sin_addr = sin_a->sin_addr; 6406 fnd = 1; 6407 break; 6408 } 6409 } 6410 if (!fnd) { 6411 SCTP_FREE_SONAME(sin); 6412 SCTP_INP_RUNLOCK(inp); 6413 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 6414 return (ENOENT); 6415 } 6416 } 6417 SCTP_INP_RUNLOCK(inp); 6418 (*addr) = (struct sockaddr *)sin; 6419 return (0); 6420} 6421 6422int 6423sctp_peeraddr(struct socket *so, struct sockaddr **addr) 6424{ 6425 struct sockaddr_in *sin; 6426 int fnd; 6427 struct sockaddr_in *sin_a; 6428 struct sctp_inpcb *inp; 6429 struct sctp_tcb *stcb; 6430 struct sctp_nets *net; 6431 6432 /* Do the malloc first in case it blocks. */ 6433 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6434 if (sin == NULL) 6435 return (ENOMEM); 6436 sin->sin_family = AF_INET; 6437 sin->sin_len = sizeof(*sin); 6438 6439 inp = (struct sctp_inpcb *)so->so_pcb; 6440 if ((inp == NULL) || 6441 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 6442 /* UDP type and listeners will drop out here */ 6443 SCTP_FREE_SONAME(sin); 6444 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 6445 return (ENOTCONN); 6446 } 6447 SCTP_INP_RLOCK(inp); 6448 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6449 if (stcb) { 6450 SCTP_TCB_LOCK(stcb); 6451 } 6452 SCTP_INP_RUNLOCK(inp); 6453 if (stcb == NULL) { 6454 SCTP_FREE_SONAME(sin); 6455 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6456 return (ECONNRESET); 6457 } 6458 fnd = 0; 6459 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6460 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 6461 if (sin_a->sin_family == AF_INET) { 6462 fnd = 1; 6463 sin->sin_port = stcb->rport; 6464 sin->sin_addr = sin_a->sin_addr; 6465 break; 6466 } 6467 } 6468 SCTP_TCB_UNLOCK(stcb); 6469 if (!fnd) { 6470 /* No IPv4 address */ 6471 SCTP_FREE_SONAME(sin); 6472 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 6473 return (ENOENT); 6474 } 6475 (*addr) = (struct sockaddr *)sin; 6476 return (0); 6477} 6478 6479struct pr_usrreqs sctp_usrreqs = { 6480 .pru_abort = sctp_abort, 6481 .pru_accept = sctp_accept, 6482 .pru_attach = sctp_attach, 6483 .pru_bind = sctp_bind, 6484 .pru_connect = sctp_connect, 6485 .pru_control = in_control, 6486 .pru_close = sctp_close, 6487 .pru_detach = sctp_close, 6488 .pru_sopoll = sopoll_generic, 6489 .pru_flush = sctp_flush, 6490 .pru_disconnect = sctp_disconnect, 6491 .pru_listen = sctp_listen, 6492 .pru_peeraddr = sctp_peeraddr, 6493 .pru_send = sctp_sendm, 6494 .pru_shutdown = sctp_shutdown, 6495 .pru_sockaddr = sctp_ingetaddr, 6496 .pru_sosend = sctp_sosend, 6497 .pru_soreceive = sctp_soreceive 6498}; 6499 6500#endif 6501