sctp_usrreq.c revision 271746
1/*- 2 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 4 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * a) Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * b) Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the distribution. 15 * 16 * c) Neither the name of Cisco Systems, Inc. nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33#include <sys/cdefs.h> 34__FBSDID("$FreeBSD: stable/10/sys/netinet/sctp_usrreq.c 271746 2014-09-18 08:58:22Z tuexen $"); 35 36#include <netinet/sctp_os.h> 37#include <sys/proc.h> 38#include <netinet/sctp_pcb.h> 39#include <netinet/sctp_header.h> 40#include <netinet/sctp_var.h> 41#ifdef INET6 42#endif 43#include <netinet/sctp_sysctl.h> 44#include <netinet/sctp_output.h> 45#include <netinet/sctp_uio.h> 46#include <netinet/sctp_asconf.h> 47#include <netinet/sctputil.h> 48#include <netinet/sctp_indata.h> 49#include <netinet/sctp_timer.h> 50#include <netinet/sctp_auth.h> 51#include <netinet/sctp_bsd_addr.h> 52#include <netinet/udp.h> 53 54 55 56extern struct sctp_cc_functions sctp_cc_functions[]; 57extern struct sctp_ss_functions sctp_ss_functions[]; 58 59void 60sctp_init(void) 61{ 62 u_long sb_max_adj; 63 64 /* Initialize and modify the sysctled variables */ 65 sctp_init_sysctls(); 66 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 67 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 68 /* 69 * Allow a user to take no more than 1/2 the number of clusters or 70 * the SB_MAX whichever is smaller for the send window. 71 */ 72 sb_max_adj = (u_long)((u_quad_t) (SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 73 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 74 (((uint32_t) nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT)); 75 /* 76 * Now for the recv window, should we take the same amount? or 77 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 78 * now I will just copy. 79 */ 80 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 81 SCTP_BASE_VAR(first_time) = 0; 82 SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 83 sctp_pcb_init(); 84#if defined(SCTP_PACKET_LOGGING) 85 SCTP_BASE_VAR(packet_log_writers) = 0; 86 SCTP_BASE_VAR(packet_log_end) = 0; 87 bzero(&SCTP_BASE_VAR(packet_log_buffer), SCTP_PACKET_LOG_SIZE); 88#endif 89} 90 91void 92sctp_finish(void) 93{ 94 sctp_pcb_finish(); 95} 96 97 98 99void 100sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz) 101{ 102 struct sctp_tmit_chunk *chk; 103 uint16_t overhead; 104 105 /* Adjust that too */ 106 stcb->asoc.smallest_mtu = nxtsz; 107 /* now off to subtract IP_DF flag if needed */ 108 overhead = IP_HDR_SIZE; 109 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) { 110 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id); 111 } 112 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) { 113 if ((chk->send_size + overhead) > nxtsz) { 114 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 115 } 116 } 117 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) { 118 if ((chk->send_size + overhead) > nxtsz) { 119 /* 120 * For this guy we also mark for immediate resend 121 * since we sent to big of chunk 122 */ 123 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 124 if (chk->sent < SCTP_DATAGRAM_RESEND) { 125 sctp_flight_size_decrease(chk); 126 sctp_total_flight_decrease(stcb, chk); 127 } 128 if (chk->sent != SCTP_DATAGRAM_RESEND) { 129 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt); 130 } 131 chk->sent = SCTP_DATAGRAM_RESEND; 132 chk->rec.data.doing_fast_retransmit = 0; 133 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 134 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 135 chk->whoTo->flight_size, 136 chk->book_size, 137 (uintptr_t) chk->whoTo, 138 chk->rec.data.TSN_seq); 139 } 140 /* Clear any time so NO RTT is being done */ 141 chk->do_rtt = 0; 142 } 143 } 144} 145 146#ifdef INET 147static void 148sctp_notify_mbuf(struct sctp_inpcb *inp, 149 struct sctp_tcb *stcb, 150 struct sctp_nets *net, 151 struct ip *ip, 152 struct sctphdr *sh) 153{ 154 struct icmp *icmph; 155 int totsz, tmr_stopped = 0; 156 uint16_t nxtsz; 157 158 /* protection */ 159 if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 160 (ip == NULL) || (sh == NULL)) { 161 if (stcb != NULL) { 162 SCTP_TCB_UNLOCK(stcb); 163 } 164 return; 165 } 166 /* First job is to verify the vtag matches what I would send */ 167 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 168 SCTP_TCB_UNLOCK(stcb); 169 return; 170 } 171 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 172 sizeof(struct ip))); 173 if (icmph->icmp_type != ICMP_UNREACH) { 174 /* We only care about unreachable */ 175 SCTP_TCB_UNLOCK(stcb); 176 return; 177 } 178 if (icmph->icmp_code != ICMP_UNREACH_NEEDFRAG) { 179 /* not a unreachable message due to frag. */ 180 SCTP_TCB_UNLOCK(stcb); 181 return; 182 } 183 totsz = ntohs(ip->ip_len); 184 185 nxtsz = ntohs(icmph->icmp_nextmtu); 186 if (nxtsz == 0) { 187 /* 188 * old type router that does not tell us what the next size 189 * mtu is. Rats we will have to guess (in a educated fashion 190 * of course) 191 */ 192 nxtsz = sctp_get_prev_mtu(totsz); 193 } 194 /* Stop any PMTU timer */ 195 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 196 tmr_stopped = 1; 197 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 198 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 199 } 200 /* Adjust destination size limit */ 201 if (net->mtu > nxtsz) { 202 net->mtu = nxtsz; 203 if (net->port) { 204 net->mtu -= sizeof(struct udphdr); 205 } 206 } 207 /* now what about the ep? */ 208 if (stcb->asoc.smallest_mtu > nxtsz) { 209 sctp_pathmtu_adjustment(stcb, nxtsz); 210 } 211 if (tmr_stopped) 212 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 213 214 SCTP_TCB_UNLOCK(stcb); 215} 216 217void 218sctp_notify(struct sctp_inpcb *inp, 219 struct ip *ip, 220 struct sctphdr *sh, 221 struct sockaddr *to, 222 struct sctp_tcb *stcb, 223 struct sctp_nets *net) 224{ 225#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 226 struct socket *so; 227 228#endif 229 struct icmp *icmph; 230 231 /* protection */ 232 if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 233 (sh == NULL) || (to == NULL)) { 234 if (stcb) 235 SCTP_TCB_UNLOCK(stcb); 236 return; 237 } 238 /* First job is to verify the vtag matches what I would send */ 239 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 240 SCTP_TCB_UNLOCK(stcb); 241 return; 242 } 243 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 244 sizeof(struct ip))); 245 if (icmph->icmp_type != ICMP_UNREACH) { 246 /* We only care about unreachable */ 247 SCTP_TCB_UNLOCK(stcb); 248 return; 249 } 250 if ((icmph->icmp_code == ICMP_UNREACH_NET) || 251 (icmph->icmp_code == ICMP_UNREACH_HOST) || 252 (icmph->icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 253 (icmph->icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 254 (icmph->icmp_code == ICMP_UNREACH_ISOLATED) || 255 (icmph->icmp_code == ICMP_UNREACH_NET_PROHIB) || 256 (icmph->icmp_code == ICMP_UNREACH_HOST_PROHIB) || 257 (icmph->icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 258 259 /* 260 * Hmm reachablity problems we must examine closely. If its 261 * not reachable, we may have lost a network. Or if there is 262 * NO protocol at the other end named SCTP. well we consider 263 * it a OOTB abort. 264 */ 265 if (net->dest_state & SCTP_ADDR_REACHABLE) { 266 /* Ok that destination is NOT reachable */ 267 net->dest_state &= ~SCTP_ADDR_REACHABLE; 268 net->dest_state &= ~SCTP_ADDR_PF; 269 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 270 stcb, 0, 271 (void *)net, SCTP_SO_NOT_LOCKED); 272 } 273 SCTP_TCB_UNLOCK(stcb); 274 } else if ((icmph->icmp_code == ICMP_UNREACH_PROTOCOL) || 275 (icmph->icmp_code == ICMP_UNREACH_PORT)) { 276 /* 277 * Here the peer is either playing tricks on us, including 278 * an address that belongs to someone who does not support 279 * SCTP OR was a userland implementation that shutdown and 280 * now is dead. In either case treat it like a OOTB abort 281 * with no TCB 282 */ 283 sctp_abort_notification(stcb, 1, 0, NULL, SCTP_SO_NOT_LOCKED); 284#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 285 so = SCTP_INP_SO(inp); 286 atomic_add_int(&stcb->asoc.refcnt, 1); 287 SCTP_TCB_UNLOCK(stcb); 288 SCTP_SOCKET_LOCK(so, 1); 289 SCTP_TCB_LOCK(stcb); 290 atomic_subtract_int(&stcb->asoc.refcnt, 1); 291#endif 292 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 293#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 294 SCTP_SOCKET_UNLOCK(so, 1); 295 /* SCTP_TCB_UNLOCK(stcb); MT: I think this is not needed. */ 296#endif 297 /* no need to unlock here, since the TCB is gone */ 298 } else { 299 SCTP_TCB_UNLOCK(stcb); 300 } 301} 302 303#endif 304 305#ifdef INET 306void 307sctp_ctlinput(cmd, sa, vip) 308 int cmd; 309 struct sockaddr *sa; 310 void *vip; 311{ 312 struct ip *ip = vip; 313 struct sctphdr *sh; 314 uint32_t vrf_id; 315 316 /* FIX, for non-bsd is this right? */ 317 vrf_id = SCTP_DEFAULT_VRFID; 318 if (sa->sa_family != AF_INET || 319 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 320 return; 321 } 322 if (PRC_IS_REDIRECT(cmd)) { 323 ip = 0; 324 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 325 return; 326 } 327 if (ip) { 328 struct sctp_inpcb *inp = NULL; 329 struct sctp_tcb *stcb = NULL; 330 struct sctp_nets *net = NULL; 331 struct sockaddr_in to, from; 332 333 sh = (struct sctphdr *)((caddr_t)ip + (ip->ip_hl << 2)); 334 bzero(&to, sizeof(to)); 335 bzero(&from, sizeof(from)); 336 from.sin_family = to.sin_family = AF_INET; 337 from.sin_len = to.sin_len = sizeof(to); 338 from.sin_port = sh->src_port; 339 from.sin_addr = ip->ip_src; 340 to.sin_port = sh->dest_port; 341 to.sin_addr = ip->ip_dst; 342 343 /* 344 * 'to' holds the dest of the packet that failed to be sent. 345 * 'from' holds our local endpoint address. Thus we reverse 346 * the to and the from in the lookup. 347 */ 348 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&to, 349 (struct sockaddr *)&from, 350 &inp, &net, 1, vrf_id); 351 if (stcb != NULL && inp && (inp->sctp_socket != NULL)) { 352 if (cmd != PRC_MSGSIZE) { 353 sctp_notify(inp, ip, sh, 354 (struct sockaddr *)&to, stcb, 355 net); 356 } else { 357 /* handle possible ICMP size messages */ 358 sctp_notify_mbuf(inp, stcb, net, ip, sh); 359 } 360 } else { 361 if ((stcb == NULL) && (inp != NULL)) { 362 /* reduce ref-count */ 363 SCTP_INP_WLOCK(inp); 364 SCTP_INP_DECR_REF(inp); 365 SCTP_INP_WUNLOCK(inp); 366 } 367 if (stcb) { 368 SCTP_TCB_UNLOCK(stcb); 369 } 370 } 371 } 372 return; 373} 374 375#endif 376 377static int 378sctp_getcred(SYSCTL_HANDLER_ARGS) 379{ 380 struct xucred xuc; 381 struct sockaddr_in addrs[2]; 382 struct sctp_inpcb *inp; 383 struct sctp_nets *net; 384 struct sctp_tcb *stcb; 385 int error; 386 uint32_t vrf_id; 387 388 /* FIX, for non-bsd is this right? */ 389 vrf_id = SCTP_DEFAULT_VRFID; 390 391 error = priv_check(req->td, PRIV_NETINET_GETCRED); 392 393 if (error) 394 return (error); 395 396 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 397 if (error) 398 return (error); 399 400 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), 401 sintosa(&addrs[0]), 402 &inp, &net, 1, vrf_id); 403 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 404 if ((inp != NULL) && (stcb == NULL)) { 405 /* reduce ref-count */ 406 SCTP_INP_WLOCK(inp); 407 SCTP_INP_DECR_REF(inp); 408 goto cred_can_cont; 409 } 410 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 411 error = ENOENT; 412 goto out; 413 } 414 SCTP_TCB_UNLOCK(stcb); 415 /* 416 * We use the write lock here, only since in the error leg we need 417 * it. If we used RLOCK, then we would have to 418 * wlock/decr/unlock/rlock. Which in theory could create a hole. 419 * Better to use higher wlock. 420 */ 421 SCTP_INP_WLOCK(inp); 422cred_can_cont: 423 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 424 if (error) { 425 SCTP_INP_WUNLOCK(inp); 426 goto out; 427 } 428 cru2x(inp->sctp_socket->so_cred, &xuc); 429 SCTP_INP_WUNLOCK(inp); 430 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 431out: 432 return (error); 433} 434 435SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW, 436 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection"); 437 438 439#ifdef INET 440static void 441sctp_abort(struct socket *so) 442{ 443 struct sctp_inpcb *inp; 444 uint32_t flags; 445 446 inp = (struct sctp_inpcb *)so->so_pcb; 447 if (inp == NULL) { 448 return; 449 } 450sctp_must_try_again: 451 flags = inp->sctp_flags; 452#ifdef SCTP_LOG_CLOSING 453 sctp_log_closing(inp, NULL, 17); 454#endif 455 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 456 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 457#ifdef SCTP_LOG_CLOSING 458 sctp_log_closing(inp, NULL, 16); 459#endif 460 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 461 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 462 SOCK_LOCK(so); 463 SCTP_SB_CLEAR(so->so_snd); 464 /* 465 * same for the rcv ones, they are only here for the 466 * accounting/select. 467 */ 468 SCTP_SB_CLEAR(so->so_rcv); 469 470 /* Now null out the reference, we are completely detached. */ 471 so->so_pcb = NULL; 472 SOCK_UNLOCK(so); 473 } else { 474 flags = inp->sctp_flags; 475 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 476 goto sctp_must_try_again; 477 } 478 } 479 return; 480} 481 482static int 483sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 484{ 485 struct sctp_inpcb *inp; 486 struct inpcb *ip_inp; 487 int error; 488 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 489 490#ifdef IPSEC 491 uint32_t flags; 492 493#endif 494 495 inp = (struct sctp_inpcb *)so->so_pcb; 496 if (inp != 0) { 497 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 498 return (EINVAL); 499 } 500 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 501 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 502 if (error) { 503 return (error); 504 } 505 } 506 error = sctp_inpcb_alloc(so, vrf_id); 507 if (error) { 508 return (error); 509 } 510 inp = (struct sctp_inpcb *)so->so_pcb; 511 SCTP_INP_WLOCK(inp); 512 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 513 ip_inp = &inp->ip_inp.inp; 514 ip_inp->inp_vflag |= INP_IPV4; 515 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 516#ifdef IPSEC 517 error = ipsec_init_policy(so, &ip_inp->inp_sp); 518#ifdef SCTP_LOG_CLOSING 519 sctp_log_closing(inp, NULL, 17); 520#endif 521 if (error != 0) { 522try_again: 523 flags = inp->sctp_flags; 524 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 525 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 526#ifdef SCTP_LOG_CLOSING 527 sctp_log_closing(inp, NULL, 15); 528#endif 529 SCTP_INP_WUNLOCK(inp); 530 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 531 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 532 } else { 533 flags = inp->sctp_flags; 534 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 535 goto try_again; 536 } else { 537 SCTP_INP_WUNLOCK(inp); 538 } 539 } 540 return (error); 541 } 542#endif /* IPSEC */ 543 SCTP_INP_WUNLOCK(inp); 544 return (0); 545} 546 547static int 548sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 549{ 550 struct sctp_inpcb *inp; 551 552 inp = (struct sctp_inpcb *)so->so_pcb; 553 if (inp == NULL) { 554 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 555 return (EINVAL); 556 } 557 if (addr != NULL) { 558 if ((addr->sa_family != AF_INET) || 559 (addr->sa_len != sizeof(struct sockaddr_in))) { 560 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 561 return (EINVAL); 562 } 563 } 564 return (sctp_inpcb_bind(so, addr, NULL, p)); 565} 566 567#endif 568void 569sctp_close(struct socket *so) 570{ 571 struct sctp_inpcb *inp; 572 uint32_t flags; 573 574 inp = (struct sctp_inpcb *)so->so_pcb; 575 if (inp == NULL) 576 return; 577 578 /* 579 * Inform all the lower layer assoc that we are done. 580 */ 581sctp_must_try_again: 582 flags = inp->sctp_flags; 583#ifdef SCTP_LOG_CLOSING 584 sctp_log_closing(inp, NULL, 17); 585#endif 586 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 587 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 588 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 589 (so->so_rcv.sb_cc > 0)) { 590#ifdef SCTP_LOG_CLOSING 591 sctp_log_closing(inp, NULL, 13); 592#endif 593 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 594 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 595 } else { 596#ifdef SCTP_LOG_CLOSING 597 sctp_log_closing(inp, NULL, 14); 598#endif 599 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 600 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 601 } 602 /* 603 * The socket is now detached, no matter what the state of 604 * the SCTP association. 605 */ 606 SOCK_LOCK(so); 607 SCTP_SB_CLEAR(so->so_snd); 608 /* 609 * same for the rcv ones, they are only here for the 610 * accounting/select. 611 */ 612 SCTP_SB_CLEAR(so->so_rcv); 613 614 /* Now null out the reference, we are completely detached. */ 615 so->so_pcb = NULL; 616 SOCK_UNLOCK(so); 617 } else { 618 flags = inp->sctp_flags; 619 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 620 goto sctp_must_try_again; 621 } 622 } 623 return; 624} 625 626 627int 628sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 629 struct mbuf *control, struct thread *p); 630 631 632int 633sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 634 struct mbuf *control, struct thread *p) 635{ 636 struct sctp_inpcb *inp; 637 int error; 638 639 inp = (struct sctp_inpcb *)so->so_pcb; 640 if (inp == NULL) { 641 if (control) { 642 sctp_m_freem(control); 643 control = NULL; 644 } 645 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 646 sctp_m_freem(m); 647 return (EINVAL); 648 } 649 /* Got to have an to address if we are NOT a connected socket */ 650 if ((addr == NULL) && 651 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 652 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 653 goto connected_type; 654 } else if (addr == NULL) { 655 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 656 error = EDESTADDRREQ; 657 sctp_m_freem(m); 658 if (control) { 659 sctp_m_freem(control); 660 control = NULL; 661 } 662 return (error); 663 } 664#ifdef INET6 665 if (addr->sa_family != AF_INET) { 666 /* must be a v4 address! */ 667 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 668 sctp_m_freem(m); 669 if (control) { 670 sctp_m_freem(control); 671 control = NULL; 672 } 673 error = EDESTADDRREQ; 674 return (error); 675 } 676#endif /* INET6 */ 677connected_type: 678 /* now what about control */ 679 if (control) { 680 if (inp->control) { 681 SCTP_PRINTF("huh? control set?\n"); 682 sctp_m_freem(inp->control); 683 inp->control = NULL; 684 } 685 inp->control = control; 686 } 687 /* Place the data */ 688 if (inp->pkt) { 689 SCTP_BUF_NEXT(inp->pkt_last) = m; 690 inp->pkt_last = m; 691 } else { 692 inp->pkt_last = inp->pkt = m; 693 } 694 if ( 695 /* FreeBSD uses a flag passed */ 696 ((flags & PRUS_MORETOCOME) == 0) 697 ) { 698 /* 699 * note with the current version this code will only be used 700 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 701 * re-defining sosend to use the sctp_sosend. One can 702 * optionally switch back to this code (by changing back the 703 * definitions) but this is not advisable. This code is used 704 * by FreeBSD when sending a file with sendfile() though. 705 */ 706 int ret; 707 708 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 709 inp->pkt = NULL; 710 inp->control = NULL; 711 return (ret); 712 } else { 713 return (0); 714 } 715} 716 717int 718sctp_disconnect(struct socket *so) 719{ 720 struct sctp_inpcb *inp; 721 722 inp = (struct sctp_inpcb *)so->so_pcb; 723 if (inp == NULL) { 724 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 725 return (ENOTCONN); 726 } 727 SCTP_INP_RLOCK(inp); 728 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 729 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 730 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 731 /* No connection */ 732 SCTP_INP_RUNLOCK(inp); 733 return (0); 734 } else { 735 struct sctp_association *asoc; 736 struct sctp_tcb *stcb; 737 738 stcb = LIST_FIRST(&inp->sctp_asoc_list); 739 if (stcb == NULL) { 740 SCTP_INP_RUNLOCK(inp); 741 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 742 return (EINVAL); 743 } 744 SCTP_TCB_LOCK(stcb); 745 asoc = &stcb->asoc; 746 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 747 /* We are about to be freed, out of here */ 748 SCTP_TCB_UNLOCK(stcb); 749 SCTP_INP_RUNLOCK(inp); 750 return (0); 751 } 752 if (((so->so_options & SO_LINGER) && 753 (so->so_linger == 0)) || 754 (so->so_rcv.sb_cc > 0)) { 755 if (SCTP_GET_STATE(asoc) != 756 SCTP_STATE_COOKIE_WAIT) { 757 /* Left with Data unread */ 758 struct mbuf *err; 759 760 err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_NOWAIT, 1, MT_DATA); 761 if (err) { 762 /* 763 * Fill in the user 764 * initiated abort 765 */ 766 struct sctp_paramhdr *ph; 767 768 ph = mtod(err, struct sctp_paramhdr *); 769 SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr); 770 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT); 771 ph->param_length = htons(SCTP_BUF_LEN(err)); 772 } 773 sctp_send_abort_tcb(stcb, err, SCTP_SO_LOCKED); 774 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 775 } 776 SCTP_INP_RUNLOCK(inp); 777 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 778 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 779 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 780 } 781 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 782 /* No unlock tcb assoc is gone */ 783 return (0); 784 } 785 if (TAILQ_EMPTY(&asoc->send_queue) && 786 TAILQ_EMPTY(&asoc->sent_queue) && 787 (asoc->stream_queue_cnt == 0)) { 788 /* there is nothing queued to send, so done */ 789 if (asoc->locked_on_sending) { 790 goto abort_anyway; 791 } 792 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) && 793 (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 794 /* only send SHUTDOWN 1st time thru */ 795 struct sctp_nets *netp; 796 797 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 798 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 799 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 800 } 801 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 802 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 803 sctp_stop_timers_for_shutdown(stcb); 804 if (stcb->asoc.alternate) { 805 netp = stcb->asoc.alternate; 806 } else { 807 netp = stcb->asoc.primary_destination; 808 } 809 sctp_send_shutdown(stcb, netp); 810 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 811 stcb->sctp_ep, stcb, netp); 812 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 813 stcb->sctp_ep, stcb, netp); 814 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 815 } 816 } else { 817 /* 818 * we still got (or just got) data to send, 819 * so set SHUTDOWN_PENDING 820 */ 821 /* 822 * XXX sockets draft says that SCTP_EOF 823 * should be sent with no data. currently, 824 * we will allow user data to be sent first 825 * and move to SHUTDOWN-PENDING 826 */ 827 struct sctp_nets *netp; 828 829 if (stcb->asoc.alternate) { 830 netp = stcb->asoc.alternate; 831 } else { 832 netp = stcb->asoc.primary_destination; 833 } 834 835 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 836 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 837 netp); 838 if (asoc->locked_on_sending) { 839 /* Locked to send out the data */ 840 struct sctp_stream_queue_pending *sp; 841 842 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 843 if (sp == NULL) { 844 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 845 asoc->locked_on_sending->stream_no); 846 } else { 847 if ((sp->length == 0) && (sp->msg_is_complete == 0)) 848 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 849 } 850 } 851 if (TAILQ_EMPTY(&asoc->send_queue) && 852 TAILQ_EMPTY(&asoc->sent_queue) && 853 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 854 struct mbuf *op_err; 855 856 abort_anyway: 857 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 858 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 859 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 860 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 861 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 862 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 863 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 864 } 865 SCTP_INP_RUNLOCK(inp); 866 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 867 return (0); 868 } else { 869 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 870 } 871 } 872 soisdisconnecting(so); 873 SCTP_TCB_UNLOCK(stcb); 874 SCTP_INP_RUNLOCK(inp); 875 return (0); 876 } 877 /* not reached */ 878 } else { 879 /* UDP model does not support this */ 880 SCTP_INP_RUNLOCK(inp); 881 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 882 return (EOPNOTSUPP); 883 } 884} 885 886int 887sctp_flush(struct socket *so, int how) 888{ 889 /* 890 * We will just clear out the values and let subsequent close clear 891 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 892 * they will not be able to read the data, the socket will block 893 * that from happening. 894 */ 895 struct sctp_inpcb *inp; 896 897 inp = (struct sctp_inpcb *)so->so_pcb; 898 if (inp == NULL) { 899 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 900 return (EINVAL); 901 } 902 SCTP_INP_RLOCK(inp); 903 /* For the 1 to many model this does nothing */ 904 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 905 SCTP_INP_RUNLOCK(inp); 906 return (0); 907 } 908 SCTP_INP_RUNLOCK(inp); 909 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 910 /* 911 * First make sure the sb will be happy, we don't use these 912 * except maybe the count 913 */ 914 SCTP_INP_WLOCK(inp); 915 SCTP_INP_READ_LOCK(inp); 916 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 917 SCTP_INP_READ_UNLOCK(inp); 918 SCTP_INP_WUNLOCK(inp); 919 so->so_rcv.sb_cc = 0; 920 so->so_rcv.sb_mbcnt = 0; 921 so->so_rcv.sb_mb = NULL; 922 } 923 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 924 /* 925 * First make sure the sb will be happy, we don't use these 926 * except maybe the count 927 */ 928 so->so_snd.sb_cc = 0; 929 so->so_snd.sb_mbcnt = 0; 930 so->so_snd.sb_mb = NULL; 931 932 } 933 return (0); 934} 935 936int 937sctp_shutdown(struct socket *so) 938{ 939 struct sctp_inpcb *inp; 940 941 inp = (struct sctp_inpcb *)so->so_pcb; 942 if (inp == NULL) { 943 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 944 return (EINVAL); 945 } 946 SCTP_INP_RLOCK(inp); 947 /* For UDP model this is a invalid call */ 948 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 949 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 950 /* Restore the flags that the soshutdown took away. */ 951 SOCKBUF_LOCK(&so->so_rcv); 952 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 953 SOCKBUF_UNLOCK(&so->so_rcv); 954 /* This proc will wakeup for read and do nothing (I hope) */ 955 SCTP_INP_RUNLOCK(inp); 956 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 957 return (EOPNOTSUPP); 958 } 959 /* 960 * Ok if we reach here its the TCP model and it is either a SHUT_WR 961 * or SHUT_RDWR. This means we put the shutdown flag against it. 962 */ 963 { 964 struct sctp_tcb *stcb; 965 struct sctp_association *asoc; 966 967 if ((so->so_state & 968 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 969 SCTP_INP_RUNLOCK(inp); 970 return (ENOTCONN); 971 } 972 socantsendmore(so); 973 974 stcb = LIST_FIRST(&inp->sctp_asoc_list); 975 if (stcb == NULL) { 976 /* 977 * Ok we hit the case that the shutdown call was 978 * made after an abort or something. Nothing to do 979 * now. 980 */ 981 SCTP_INP_RUNLOCK(inp); 982 return (0); 983 } 984 SCTP_TCB_LOCK(stcb); 985 asoc = &stcb->asoc; 986 if (TAILQ_EMPTY(&asoc->send_queue) && 987 TAILQ_EMPTY(&asoc->sent_queue) && 988 (asoc->stream_queue_cnt == 0)) { 989 if (asoc->locked_on_sending) { 990 goto abort_anyway; 991 } 992 /* there is nothing queued to send, so I'm done... */ 993 if (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) { 994 /* only send SHUTDOWN the first time through */ 995 struct sctp_nets *netp; 996 997 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 998 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 999 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 1000 } 1001 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 1002 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 1003 sctp_stop_timers_for_shutdown(stcb); 1004 if (stcb->asoc.alternate) { 1005 netp = stcb->asoc.alternate; 1006 } else { 1007 netp = stcb->asoc.primary_destination; 1008 } 1009 sctp_send_shutdown(stcb, netp); 1010 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 1011 stcb->sctp_ep, stcb, netp); 1012 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 1013 stcb->sctp_ep, stcb, netp); 1014 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 1015 } 1016 } else { 1017 /* 1018 * we still got (or just got) data to send, so set 1019 * SHUTDOWN_PENDING 1020 */ 1021 struct sctp_nets *netp; 1022 1023 if (stcb->asoc.alternate) { 1024 netp = stcb->asoc.alternate; 1025 } else { 1026 netp = stcb->asoc.primary_destination; 1027 } 1028 1029 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 1030 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 1031 netp); 1032 1033 if (asoc->locked_on_sending) { 1034 /* Locked to send out the data */ 1035 struct sctp_stream_queue_pending *sp; 1036 1037 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 1038 if (sp == NULL) { 1039 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 1040 asoc->locked_on_sending->stream_no); 1041 } else { 1042 if ((sp->length == 0) && (sp->msg_is_complete == 0)) { 1043 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 1044 } 1045 } 1046 } 1047 if (TAILQ_EMPTY(&asoc->send_queue) && 1048 TAILQ_EMPTY(&asoc->sent_queue) && 1049 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 1050 struct mbuf *op_err; 1051 1052 abort_anyway: 1053 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 1054 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 1055 sctp_abort_an_association(stcb->sctp_ep, stcb, 1056 op_err, SCTP_SO_LOCKED); 1057 goto skip_unlock; 1058 } else { 1059 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 1060 } 1061 } 1062 SCTP_TCB_UNLOCK(stcb); 1063 } 1064skip_unlock: 1065 SCTP_INP_RUNLOCK(inp); 1066 return (0); 1067} 1068 1069/* 1070 * copies a "user" presentable address and removes embedded scope, etc. 1071 * returns 0 on success, 1 on error 1072 */ 1073static uint32_t 1074sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 1075{ 1076#ifdef INET6 1077 struct sockaddr_in6 lsa6; 1078 1079 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 1080 &lsa6); 1081#endif 1082 memcpy(ss, sa, sa->sa_len); 1083 return (0); 1084} 1085 1086 1087 1088/* 1089 * NOTE: assumes addr lock is held 1090 */ 1091static size_t 1092sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1093 struct sctp_tcb *stcb, 1094 size_t limit, 1095 struct sockaddr_storage *sas, 1096 uint32_t vrf_id) 1097{ 1098 struct sctp_ifn *sctp_ifn; 1099 struct sctp_ifa *sctp_ifa; 1100 size_t actual; 1101 int loopback_scope; 1102 1103#if defined(INET) 1104 int ipv4_local_scope, ipv4_addr_legal; 1105 1106#endif 1107#if defined(INET6) 1108 int local_scope, site_scope, ipv6_addr_legal; 1109 1110#endif 1111 struct sctp_vrf *vrf; 1112 1113 actual = 0; 1114 if (limit <= 0) 1115 return (actual); 1116 1117 if (stcb) { 1118 /* Turn on all the appropriate scope */ 1119 loopback_scope = stcb->asoc.scope.loopback_scope; 1120#if defined(INET) 1121 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1122 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1123#endif 1124#if defined(INET6) 1125 local_scope = stcb->asoc.scope.local_scope; 1126 site_scope = stcb->asoc.scope.site_scope; 1127 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1128#endif 1129 } else { 1130 /* Use generic values for endpoints. */ 1131 loopback_scope = 1; 1132#if defined(INET) 1133 ipv4_local_scope = 1; 1134#endif 1135#if defined(INET6) 1136 local_scope = 1; 1137 site_scope = 1; 1138#endif 1139 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1140#if defined(INET6) 1141 ipv6_addr_legal = 1; 1142#endif 1143#if defined(INET) 1144 if (SCTP_IPV6_V6ONLY(inp)) { 1145 ipv4_addr_legal = 0; 1146 } else { 1147 ipv4_addr_legal = 1; 1148 } 1149#endif 1150 } else { 1151#if defined(INET6) 1152 ipv6_addr_legal = 0; 1153#endif 1154#if defined(INET) 1155 ipv4_addr_legal = 1; 1156#endif 1157 } 1158 } 1159 vrf = sctp_find_vrf(vrf_id); 1160 if (vrf == NULL) { 1161 return (0); 1162 } 1163 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1164 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1165 if ((loopback_scope == 0) && 1166 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1167 /* Skip loopback if loopback_scope not set */ 1168 continue; 1169 } 1170 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1171 if (stcb) { 1172 /* 1173 * For the BOUND-ALL case, the list 1174 * associated with a TCB is Always 1175 * considered a reverse list.. i.e. 1176 * it lists addresses that are NOT 1177 * part of the association. If this 1178 * is one of those we must skip it. 1179 */ 1180 if (sctp_is_addr_restricted(stcb, 1181 sctp_ifa)) { 1182 continue; 1183 } 1184 } 1185 switch (sctp_ifa->address.sa.sa_family) { 1186#ifdef INET 1187 case AF_INET: 1188 if (ipv4_addr_legal) { 1189 struct sockaddr_in *sin; 1190 1191 sin = &sctp_ifa->address.sin; 1192 if (sin->sin_addr.s_addr == 0) { 1193 /* 1194 * we skip 1195 * unspecifed 1196 * addresses 1197 */ 1198 continue; 1199 } 1200 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1201 &sin->sin_addr) != 0) { 1202 continue; 1203 } 1204 if ((ipv4_local_scope == 0) && 1205 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1206 continue; 1207 } 1208#ifdef INET6 1209 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1210 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1211 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1212 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1213 actual += sizeof(struct sockaddr_in6); 1214 } else { 1215#endif 1216 memcpy(sas, sin, sizeof(*sin)); 1217 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1218 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin)); 1219 actual += sizeof(*sin); 1220#ifdef INET6 1221 } 1222#endif 1223 if (actual >= limit) { 1224 return (actual); 1225 } 1226 } else { 1227 continue; 1228 } 1229 break; 1230#endif 1231#ifdef INET6 1232 case AF_INET6: 1233 if (ipv6_addr_legal) { 1234 struct sockaddr_in6 *sin6; 1235 1236 sin6 = &sctp_ifa->address.sin6; 1237 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1238 /* 1239 * we skip 1240 * unspecifed 1241 * addresses 1242 */ 1243 continue; 1244 } 1245 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1246 &sin6->sin6_addr) != 0) { 1247 continue; 1248 } 1249 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1250 if (local_scope == 0) 1251 continue; 1252 if (sin6->sin6_scope_id == 0) { 1253 if (sa6_recoverscope(sin6) != 0) 1254 /* 1255 * 1256 * bad 1257 * 1258 * li 1259 * nk 1260 * 1261 * loc 1262 * al 1263 * 1264 * add 1265 * re 1266 * ss 1267 * */ 1268 continue; 1269 } 1270 } 1271 if ((site_scope == 0) && 1272 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1273 continue; 1274 } 1275 memcpy(sas, sin6, sizeof(*sin6)); 1276 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1277 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6)); 1278 actual += sizeof(*sin6); 1279 if (actual >= limit) { 1280 return (actual); 1281 } 1282 } else { 1283 continue; 1284 } 1285 break; 1286#endif 1287 default: 1288 /* TSNH */ 1289 break; 1290 } 1291 } 1292 } 1293 } else { 1294 struct sctp_laddr *laddr; 1295 1296 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1297 if (stcb) { 1298 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1299 continue; 1300 } 1301 } 1302 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1303 continue; 1304 switch (laddr->ifa->address.sa.sa_family) { 1305#ifdef INET 1306 case AF_INET: 1307 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1308 break; 1309#endif 1310#ifdef INET6 1311 case AF_INET6: 1312 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1313 break; 1314#endif 1315 default: 1316 /* TSNH */ 1317 break; 1318 } 1319 sas = (struct sockaddr_storage *)((caddr_t)sas + 1320 laddr->ifa->address.sa.sa_len); 1321 actual += laddr->ifa->address.sa.sa_len; 1322 if (actual >= limit) { 1323 return (actual); 1324 } 1325 } 1326 } 1327 return (actual); 1328} 1329 1330static size_t 1331sctp_fill_up_addresses(struct sctp_inpcb *inp, 1332 struct sctp_tcb *stcb, 1333 size_t limit, 1334 struct sockaddr_storage *sas) 1335{ 1336 size_t size = 0; 1337 1338 SCTP_IPI_ADDR_RLOCK(); 1339 /* fill up addresses for the endpoint's default vrf */ 1340 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1341 inp->def_vrf_id); 1342 SCTP_IPI_ADDR_RUNLOCK(); 1343 return (size); 1344} 1345 1346/* 1347 * NOTE: assumes addr lock is held 1348 */ 1349static int 1350sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1351{ 1352 int cnt = 0; 1353 struct sctp_vrf *vrf = NULL; 1354 1355 /* 1356 * In both sub-set bound an bound_all cases we return the MAXIMUM 1357 * number of addresses that you COULD get. In reality the sub-set 1358 * bound may have an exclusion list for a given TCB OR in the 1359 * bound-all case a TCB may NOT include the loopback or other 1360 * addresses as well. 1361 */ 1362 vrf = sctp_find_vrf(vrf_id); 1363 if (vrf == NULL) { 1364 return (0); 1365 } 1366 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1367 struct sctp_ifn *sctp_ifn; 1368 struct sctp_ifa *sctp_ifa; 1369 1370 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1371 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1372 /* Count them if they are the right type */ 1373 switch (sctp_ifa->address.sa.sa_family) { 1374#ifdef INET 1375 case AF_INET: 1376 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1377 cnt += sizeof(struct sockaddr_in6); 1378 else 1379 cnt += sizeof(struct sockaddr_in); 1380 break; 1381#endif 1382#ifdef INET6 1383 case AF_INET6: 1384 cnt += sizeof(struct sockaddr_in6); 1385 break; 1386#endif 1387 default: 1388 break; 1389 } 1390 } 1391 } 1392 } else { 1393 struct sctp_laddr *laddr; 1394 1395 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1396 switch (laddr->ifa->address.sa.sa_family) { 1397#ifdef INET 1398 case AF_INET: 1399 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1400 cnt += sizeof(struct sockaddr_in6); 1401 else 1402 cnt += sizeof(struct sockaddr_in); 1403 break; 1404#endif 1405#ifdef INET6 1406 case AF_INET6: 1407 cnt += sizeof(struct sockaddr_in6); 1408 break; 1409#endif 1410 default: 1411 break; 1412 } 1413 } 1414 } 1415 return (cnt); 1416} 1417 1418static int 1419sctp_count_max_addresses(struct sctp_inpcb *inp) 1420{ 1421 int cnt = 0; 1422 1423 SCTP_IPI_ADDR_RLOCK(); 1424 /* count addresses for the endpoint's default VRF */ 1425 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1426 SCTP_IPI_ADDR_RUNLOCK(); 1427 return (cnt); 1428} 1429 1430static int 1431sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1432 size_t optsize, void *p, int delay) 1433{ 1434 int error = 0; 1435 int creat_lock_on = 0; 1436 struct sctp_tcb *stcb = NULL; 1437 struct sockaddr *sa; 1438 int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1439 uint32_t vrf_id; 1440 int bad_addresses = 0; 1441 sctp_assoc_t *a_id; 1442 1443 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1444 1445 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1446 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1447 /* We are already connected AND the TCP model */ 1448 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1449 return (EADDRINUSE); 1450 } 1451 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1452 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1453 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1454 return (EINVAL); 1455 } 1456 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1457 SCTP_INP_RLOCK(inp); 1458 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1459 SCTP_INP_RUNLOCK(inp); 1460 } 1461 if (stcb) { 1462 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1463 return (EALREADY); 1464 } 1465 SCTP_INP_INCR_REF(inp); 1466 SCTP_ASOC_CREATE_LOCK(inp); 1467 creat_lock_on = 1; 1468 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1469 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1470 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1471 error = EFAULT; 1472 goto out_now; 1473 } 1474 totaddrp = (int *)optval; 1475 totaddr = *totaddrp; 1476 sa = (struct sockaddr *)(totaddrp + 1); 1477 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (optsize - sizeof(int)), &bad_addresses); 1478 if ((stcb != NULL) || bad_addresses) { 1479 /* Already have or am bring up an association */ 1480 SCTP_ASOC_CREATE_UNLOCK(inp); 1481 creat_lock_on = 0; 1482 if (stcb) 1483 SCTP_TCB_UNLOCK(stcb); 1484 if (bad_addresses == 0) { 1485 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1486 error = EALREADY; 1487 } 1488 goto out_now; 1489 } 1490#ifdef INET6 1491 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1492 (num_v6 > 0)) { 1493 error = EINVAL; 1494 goto out_now; 1495 } 1496 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1497 (num_v4 > 0)) { 1498 struct in6pcb *inp6; 1499 1500 inp6 = (struct in6pcb *)inp; 1501 if (SCTP_IPV6_V6ONLY(inp6)) { 1502 /* 1503 * if IPV6_V6ONLY flag, ignore connections destined 1504 * to a v4 addr or v4-mapped addr 1505 */ 1506 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1507 error = EINVAL; 1508 goto out_now; 1509 } 1510 } 1511#endif /* INET6 */ 1512 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1513 SCTP_PCB_FLAGS_UNBOUND) { 1514 /* Bind a ephemeral port */ 1515 error = sctp_inpcb_bind(so, NULL, NULL, p); 1516 if (error) { 1517 goto out_now; 1518 } 1519 } 1520 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1521 vrf_id = inp->def_vrf_id; 1522 1523 1524 /* We are GOOD to go */ 1525 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1526 (struct thread *)p 1527 ); 1528 if (stcb == NULL) { 1529 /* Gak! no memory */ 1530 goto out_now; 1531 } 1532 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1533 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1534 /* Set the connected flag so we can queue data */ 1535 soisconnecting(so); 1536 } 1537 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 1538 /* move to second address */ 1539 switch (sa->sa_family) { 1540#ifdef INET 1541 case AF_INET: 1542 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1543 break; 1544#endif 1545#ifdef INET6 1546 case AF_INET6: 1547 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1548 break; 1549#endif 1550 default: 1551 break; 1552 } 1553 1554 error = 0; 1555 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1556 /* Fill in the return id */ 1557 if (error) { 1558 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6); 1559 goto out_now; 1560 } 1561 a_id = (sctp_assoc_t *) optval; 1562 *a_id = sctp_get_associd(stcb); 1563 1564 /* initialize authentication parameters for the assoc */ 1565 sctp_initialize_auth_params(inp, stcb); 1566 1567 if (delay) { 1568 /* doing delayed connection */ 1569 stcb->asoc.delayed_connection = 1; 1570 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1571 } else { 1572 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1573 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1574 } 1575 SCTP_TCB_UNLOCK(stcb); 1576 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1577 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1578 /* Set the connected flag so we can queue data */ 1579 soisconnecting(so); 1580 } 1581out_now: 1582 if (creat_lock_on) { 1583 SCTP_ASOC_CREATE_UNLOCK(inp); 1584 } 1585 SCTP_INP_DECR_REF(inp); 1586 return (error); 1587} 1588 1589#define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1590 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1591 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1592 SCTP_INP_RLOCK(inp); \ 1593 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1594 if (stcb) { \ 1595 SCTP_TCB_LOCK(stcb); \ 1596 } \ 1597 SCTP_INP_RUNLOCK(inp); \ 1598 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1599 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1600 if (stcb == NULL) { \ 1601 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1602 error = ENOENT; \ 1603 break; \ 1604 } \ 1605 } else { \ 1606 stcb = NULL; \ 1607 } \ 1608 } 1609 1610 1611#define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1612 if (size < sizeof(type)) { \ 1613 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1614 error = EINVAL; \ 1615 break; \ 1616 } else { \ 1617 destp = (type *)srcp; \ 1618 } \ 1619 } 1620 1621static int 1622sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1623 void *p) 1624{ 1625 struct sctp_inpcb *inp = NULL; 1626 int error, val = 0; 1627 struct sctp_tcb *stcb = NULL; 1628 1629 if (optval == NULL) { 1630 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1631 return (EINVAL); 1632 } 1633 inp = (struct sctp_inpcb *)so->so_pcb; 1634 if (inp == NULL) { 1635 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1636 return EINVAL; 1637 } 1638 error = 0; 1639 1640 switch (optname) { 1641 case SCTP_NODELAY: 1642 case SCTP_AUTOCLOSE: 1643 case SCTP_EXPLICIT_EOR: 1644 case SCTP_AUTO_ASCONF: 1645 case SCTP_DISABLE_FRAGMENTS: 1646 case SCTP_I_WANT_MAPPED_V4_ADDR: 1647 case SCTP_USE_EXT_RCVINFO: 1648 SCTP_INP_RLOCK(inp); 1649 switch (optname) { 1650 case SCTP_DISABLE_FRAGMENTS: 1651 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1652 break; 1653 case SCTP_I_WANT_MAPPED_V4_ADDR: 1654 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1655 break; 1656 case SCTP_AUTO_ASCONF: 1657 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1658 /* only valid for bound all sockets */ 1659 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1660 } else { 1661 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1662 error = EINVAL; 1663 goto flags_out; 1664 } 1665 break; 1666 case SCTP_EXPLICIT_EOR: 1667 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1668 break; 1669 case SCTP_NODELAY: 1670 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1671 break; 1672 case SCTP_USE_EXT_RCVINFO: 1673 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1674 break; 1675 case SCTP_AUTOCLOSE: 1676 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1677 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1678 else 1679 val = 0; 1680 break; 1681 1682 default: 1683 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1684 error = ENOPROTOOPT; 1685 } /* end switch (sopt->sopt_name) */ 1686 if (*optsize < sizeof(val)) { 1687 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1688 error = EINVAL; 1689 } 1690flags_out: 1691 SCTP_INP_RUNLOCK(inp); 1692 if (error == 0) { 1693 /* return the option value */ 1694 *(int *)optval = val; 1695 *optsize = sizeof(val); 1696 } 1697 break; 1698 case SCTP_GET_PACKET_LOG: 1699 { 1700#ifdef SCTP_PACKET_LOGGING 1701 uint8_t *target; 1702 int ret; 1703 1704 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1705 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1706 *optsize = ret; 1707#else 1708 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1709 error = EOPNOTSUPP; 1710#endif 1711 break; 1712 } 1713 case SCTP_REUSE_PORT: 1714 { 1715 uint32_t *value; 1716 1717 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1718 /* Can't do this for a 1-m socket */ 1719 error = EINVAL; 1720 break; 1721 } 1722 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1723 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1724 *optsize = sizeof(uint32_t); 1725 break; 1726 } 1727 case SCTP_PARTIAL_DELIVERY_POINT: 1728 { 1729 uint32_t *value; 1730 1731 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1732 *value = inp->partial_delivery_point; 1733 *optsize = sizeof(uint32_t); 1734 break; 1735 } 1736 case SCTP_FRAGMENT_INTERLEAVE: 1737 { 1738 uint32_t *value; 1739 1740 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1741 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1742 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1743 *value = SCTP_FRAG_LEVEL_2; 1744 } else { 1745 *value = SCTP_FRAG_LEVEL_1; 1746 } 1747 } else { 1748 *value = SCTP_FRAG_LEVEL_0; 1749 } 1750 *optsize = sizeof(uint32_t); 1751 break; 1752 } 1753 case SCTP_CMT_ON_OFF: 1754 { 1755 struct sctp_assoc_value *av; 1756 1757 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1758 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1759 if (stcb) { 1760 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1761 SCTP_TCB_UNLOCK(stcb); 1762 } else { 1763 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1764 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1765 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1766 SCTP_INP_RLOCK(inp); 1767 av->assoc_value = inp->sctp_cmt_on_off; 1768 SCTP_INP_RUNLOCK(inp); 1769 } else { 1770 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1771 error = EINVAL; 1772 } 1773 } 1774 if (error == 0) { 1775 *optsize = sizeof(struct sctp_assoc_value); 1776 } 1777 break; 1778 } 1779 case SCTP_PLUGGABLE_CC: 1780 { 1781 struct sctp_assoc_value *av; 1782 1783 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1784 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1785 if (stcb) { 1786 av->assoc_value = stcb->asoc.congestion_control_module; 1787 SCTP_TCB_UNLOCK(stcb); 1788 } else { 1789 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1790 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1791 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1792 SCTP_INP_RLOCK(inp); 1793 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1794 SCTP_INP_RUNLOCK(inp); 1795 } else { 1796 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1797 error = EINVAL; 1798 } 1799 } 1800 if (error == 0) { 1801 *optsize = sizeof(struct sctp_assoc_value); 1802 } 1803 break; 1804 } 1805 case SCTP_CC_OPTION: 1806 { 1807 struct sctp_cc_option *cc_opt; 1808 1809 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1810 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1811 if (stcb == NULL) { 1812 error = EINVAL; 1813 } else { 1814 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1815 error = ENOTSUP; 1816 } else { 1817 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1818 *optsize = sizeof(struct sctp_cc_option); 1819 } 1820 SCTP_TCB_UNLOCK(stcb); 1821 } 1822 break; 1823 } 1824 case SCTP_PLUGGABLE_SS: 1825 { 1826 struct sctp_assoc_value *av; 1827 1828 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1829 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1830 if (stcb) { 1831 av->assoc_value = stcb->asoc.stream_scheduling_module; 1832 SCTP_TCB_UNLOCK(stcb); 1833 } else { 1834 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1835 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1836 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1837 SCTP_INP_RLOCK(inp); 1838 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1839 SCTP_INP_RUNLOCK(inp); 1840 } else { 1841 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1842 error = EINVAL; 1843 } 1844 } 1845 if (error == 0) { 1846 *optsize = sizeof(struct sctp_assoc_value); 1847 } 1848 break; 1849 } 1850 case SCTP_SS_VALUE: 1851 { 1852 struct sctp_stream_value *av; 1853 1854 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1855 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1856 if (stcb) { 1857 if (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1858 &av->stream_value) < 0) { 1859 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1860 error = EINVAL; 1861 } else { 1862 *optsize = sizeof(struct sctp_stream_value); 1863 } 1864 SCTP_TCB_UNLOCK(stcb); 1865 } else { 1866 /* 1867 * Can't get stream value without 1868 * association 1869 */ 1870 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1871 error = EINVAL; 1872 } 1873 break; 1874 } 1875 case SCTP_GET_ADDR_LEN: 1876 { 1877 struct sctp_assoc_value *av; 1878 1879 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1880 error = EINVAL; 1881#ifdef INET 1882 if (av->assoc_value == AF_INET) { 1883 av->assoc_value = sizeof(struct sockaddr_in); 1884 error = 0; 1885 } 1886#endif 1887#ifdef INET6 1888 if (av->assoc_value == AF_INET6) { 1889 av->assoc_value = sizeof(struct sockaddr_in6); 1890 error = 0; 1891 } 1892#endif 1893 if (error) { 1894 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1895 } else { 1896 *optsize = sizeof(struct sctp_assoc_value); 1897 } 1898 break; 1899 } 1900 case SCTP_GET_ASSOC_NUMBER: 1901 { 1902 uint32_t *value, cnt; 1903 1904 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1905 cnt = 0; 1906 SCTP_INP_RLOCK(inp); 1907 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1908 cnt++; 1909 } 1910 SCTP_INP_RUNLOCK(inp); 1911 *value = cnt; 1912 *optsize = sizeof(uint32_t); 1913 break; 1914 } 1915 case SCTP_GET_ASSOC_ID_LIST: 1916 { 1917 struct sctp_assoc_ids *ids; 1918 unsigned int at, limit; 1919 1920 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1921 at = 0; 1922 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1923 SCTP_INP_RLOCK(inp); 1924 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1925 if (at < limit) { 1926 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1927 } else { 1928 error = EINVAL; 1929 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1930 break; 1931 } 1932 } 1933 SCTP_INP_RUNLOCK(inp); 1934 if (error == 0) { 1935 ids->gaids_number_of_ids = at; 1936 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1937 } 1938 break; 1939 } 1940 case SCTP_CONTEXT: 1941 { 1942 struct sctp_assoc_value *av; 1943 1944 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1945 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1946 1947 if (stcb) { 1948 av->assoc_value = stcb->asoc.context; 1949 SCTP_TCB_UNLOCK(stcb); 1950 } else { 1951 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1952 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1953 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1954 SCTP_INP_RLOCK(inp); 1955 av->assoc_value = inp->sctp_context; 1956 SCTP_INP_RUNLOCK(inp); 1957 } else { 1958 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1959 error = EINVAL; 1960 } 1961 } 1962 if (error == 0) { 1963 *optsize = sizeof(struct sctp_assoc_value); 1964 } 1965 break; 1966 } 1967 case SCTP_VRF_ID: 1968 { 1969 uint32_t *default_vrfid; 1970 1971 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1972 *default_vrfid = inp->def_vrf_id; 1973 *optsize = sizeof(uint32_t); 1974 break; 1975 } 1976 case SCTP_GET_ASOC_VRF: 1977 { 1978 struct sctp_assoc_value *id; 1979 1980 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1981 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1982 if (stcb == NULL) { 1983 error = EINVAL; 1984 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1985 } else { 1986 id->assoc_value = stcb->asoc.vrf_id; 1987 *optsize = sizeof(struct sctp_assoc_value); 1988 } 1989 break; 1990 } 1991 case SCTP_GET_VRF_IDS: 1992 { 1993 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1994 error = EOPNOTSUPP; 1995 break; 1996 } 1997 case SCTP_GET_NONCE_VALUES: 1998 { 1999 struct sctp_get_nonce_values *gnv; 2000 2001 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 2002 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 2003 2004 if (stcb) { 2005 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 2006 gnv->gn_local_tag = stcb->asoc.my_vtag; 2007 SCTP_TCB_UNLOCK(stcb); 2008 *optsize = sizeof(struct sctp_get_nonce_values); 2009 } else { 2010 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2011 error = ENOTCONN; 2012 } 2013 break; 2014 } 2015 case SCTP_DELAYED_SACK: 2016 { 2017 struct sctp_sack_info *sack; 2018 2019 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 2020 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 2021 if (stcb) { 2022 sack->sack_delay = stcb->asoc.delayed_ack; 2023 sack->sack_freq = stcb->asoc.sack_freq; 2024 SCTP_TCB_UNLOCK(stcb); 2025 } else { 2026 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2027 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2028 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) { 2029 SCTP_INP_RLOCK(inp); 2030 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2031 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2032 SCTP_INP_RUNLOCK(inp); 2033 } else { 2034 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2035 error = EINVAL; 2036 } 2037 } 2038 if (error == 0) { 2039 *optsize = sizeof(struct sctp_sack_info); 2040 } 2041 break; 2042 } 2043 case SCTP_GET_SNDBUF_USE: 2044 { 2045 struct sctp_sockstat *ss; 2046 2047 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2048 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2049 2050 if (stcb) { 2051 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2052 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2053 stcb->asoc.size_on_all_streams); 2054 SCTP_TCB_UNLOCK(stcb); 2055 *optsize = sizeof(struct sctp_sockstat); 2056 } else { 2057 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2058 error = ENOTCONN; 2059 } 2060 break; 2061 } 2062 case SCTP_MAX_BURST: 2063 { 2064 struct sctp_assoc_value *av; 2065 2066 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2067 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2068 2069 if (stcb) { 2070 av->assoc_value = stcb->asoc.max_burst; 2071 SCTP_TCB_UNLOCK(stcb); 2072 } else { 2073 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2074 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2075 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2076 SCTP_INP_RLOCK(inp); 2077 av->assoc_value = inp->sctp_ep.max_burst; 2078 SCTP_INP_RUNLOCK(inp); 2079 } else { 2080 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2081 error = EINVAL; 2082 } 2083 } 2084 if (error == 0) { 2085 *optsize = sizeof(struct sctp_assoc_value); 2086 } 2087 break; 2088 } 2089 case SCTP_MAXSEG: 2090 { 2091 struct sctp_assoc_value *av; 2092 int ovh; 2093 2094 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2095 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2096 2097 if (stcb) { 2098 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2099 SCTP_TCB_UNLOCK(stcb); 2100 } else { 2101 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2102 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2103 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2104 SCTP_INP_RLOCK(inp); 2105 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2106 ovh = SCTP_MED_OVERHEAD; 2107 } else { 2108 ovh = SCTP_MED_V4_OVERHEAD; 2109 } 2110 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2111 av->assoc_value = 0; 2112 else 2113 av->assoc_value = inp->sctp_frag_point - ovh; 2114 SCTP_INP_RUNLOCK(inp); 2115 } else { 2116 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2117 error = EINVAL; 2118 } 2119 } 2120 if (error == 0) { 2121 *optsize = sizeof(struct sctp_assoc_value); 2122 } 2123 break; 2124 } 2125 case SCTP_GET_STAT_LOG: 2126 error = sctp_fill_stat_log(optval, optsize); 2127 break; 2128 case SCTP_EVENTS: 2129 { 2130 struct sctp_event_subscribe *events; 2131 2132 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2133 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2134 SCTP_INP_RLOCK(inp); 2135 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2136 events->sctp_data_io_event = 1; 2137 2138 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2139 events->sctp_association_event = 1; 2140 2141 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2142 events->sctp_address_event = 1; 2143 2144 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2145 events->sctp_send_failure_event = 1; 2146 2147 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2148 events->sctp_peer_error_event = 1; 2149 2150 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2151 events->sctp_shutdown_event = 1; 2152 2153 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2154 events->sctp_partial_delivery_event = 1; 2155 2156 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2157 events->sctp_adaptation_layer_event = 1; 2158 2159 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2160 events->sctp_authentication_event = 1; 2161 2162 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2163 events->sctp_sender_dry_event = 1; 2164 2165 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2166 events->sctp_stream_reset_event = 1; 2167 SCTP_INP_RUNLOCK(inp); 2168 *optsize = sizeof(struct sctp_event_subscribe); 2169 break; 2170 } 2171 case SCTP_ADAPTATION_LAYER: 2172 { 2173 uint32_t *value; 2174 2175 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2176 2177 SCTP_INP_RLOCK(inp); 2178 *value = inp->sctp_ep.adaptation_layer_indicator; 2179 SCTP_INP_RUNLOCK(inp); 2180 *optsize = sizeof(uint32_t); 2181 break; 2182 } 2183 case SCTP_SET_INITIAL_DBG_SEQ: 2184 { 2185 uint32_t *value; 2186 2187 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2188 SCTP_INP_RLOCK(inp); 2189 *value = inp->sctp_ep.initial_sequence_debug; 2190 SCTP_INP_RUNLOCK(inp); 2191 *optsize = sizeof(uint32_t); 2192 break; 2193 } 2194 case SCTP_GET_LOCAL_ADDR_SIZE: 2195 { 2196 uint32_t *value; 2197 2198 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2199 SCTP_INP_RLOCK(inp); 2200 *value = sctp_count_max_addresses(inp); 2201 SCTP_INP_RUNLOCK(inp); 2202 *optsize = sizeof(uint32_t); 2203 break; 2204 } 2205 case SCTP_GET_REMOTE_ADDR_SIZE: 2206 { 2207 uint32_t *value; 2208 size_t size; 2209 struct sctp_nets *net; 2210 2211 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2212 /* FIXME MT: change to sctp_assoc_value? */ 2213 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 2214 2215 if (stcb) { 2216 size = 0; 2217 /* Count the sizes */ 2218 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2219 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2220 size += sizeof(struct sockaddr_in6); 2221 } else { 2222 switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) { 2223#ifdef INET 2224 case AF_INET: 2225 size += sizeof(struct sockaddr_in); 2226 break; 2227#endif 2228#ifdef INET6 2229 case AF_INET6: 2230 size += sizeof(struct sockaddr_in6); 2231 break; 2232#endif 2233 default: 2234 break; 2235 } 2236 } 2237 } 2238 SCTP_TCB_UNLOCK(stcb); 2239 *value = (uint32_t) size; 2240 *optsize = sizeof(uint32_t); 2241 } else { 2242 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2243 error = ENOTCONN; 2244 } 2245 break; 2246 } 2247 case SCTP_GET_PEER_ADDRESSES: 2248 /* 2249 * Get the address information, an array is passed in to 2250 * fill up we pack it. 2251 */ 2252 { 2253 size_t cpsz, left; 2254 struct sockaddr_storage *sas; 2255 struct sctp_nets *net; 2256 struct sctp_getaddresses *saddr; 2257 2258 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2259 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2260 2261 if (stcb) { 2262 left = (*optsize) - sizeof(struct sctp_getaddresses); 2263 *optsize = sizeof(struct sctp_getaddresses); 2264 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2265 2266 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2267 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2268 cpsz = sizeof(struct sockaddr_in6); 2269 } else { 2270 switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) { 2271#ifdef INET 2272 case AF_INET: 2273 cpsz = sizeof(struct sockaddr_in); 2274 break; 2275#endif 2276#ifdef INET6 2277 case AF_INET6: 2278 cpsz = sizeof(struct sockaddr_in6); 2279 break; 2280#endif 2281 default: 2282 cpsz = 0; 2283 break; 2284 } 2285 } 2286 if (cpsz == 0) { 2287 break; 2288 } 2289 if (left < cpsz) { 2290 /* not enough room. */ 2291 break; 2292 } 2293#if defined(INET) && defined(INET6) 2294 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2295 (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET)) { 2296 /* Must map the address */ 2297 in6_sin_2_v4mapsin6((struct sockaddr_in *)&net->ro._l_addr, 2298 (struct sockaddr_in6 *)sas); 2299 } else { 2300#endif 2301 memcpy(sas, &net->ro._l_addr, cpsz); 2302#if defined(INET) && defined(INET6) 2303 } 2304#endif 2305 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2306 2307 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2308 left -= cpsz; 2309 *optsize += cpsz; 2310 } 2311 SCTP_TCB_UNLOCK(stcb); 2312 } else { 2313 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2314 error = ENOENT; 2315 } 2316 break; 2317 } 2318 case SCTP_GET_LOCAL_ADDRESSES: 2319 { 2320 size_t limit, actual; 2321 struct sockaddr_storage *sas; 2322 struct sctp_getaddresses *saddr; 2323 2324 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2325 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2326 2327 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2328 limit = *optsize - sizeof(sctp_assoc_t); 2329 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2330 if (stcb) { 2331 SCTP_TCB_UNLOCK(stcb); 2332 } 2333 *optsize = sizeof(struct sockaddr_storage) + actual; 2334 break; 2335 } 2336 case SCTP_PEER_ADDR_PARAMS: 2337 { 2338 struct sctp_paddrparams *paddrp; 2339 struct sctp_nets *net; 2340 2341 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2342 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2343 2344 net = NULL; 2345 if (stcb) { 2346 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 2347 } else { 2348 /* 2349 * We increment here since 2350 * sctp_findassociation_ep_addr() wil do a 2351 * decrement if it finds the stcb as long as 2352 * the locked tcb (last argument) is NOT a 2353 * TCB.. aka NULL. 2354 */ 2355 SCTP_INP_INCR_REF(inp); 2356 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddrp->spp_address, &net, NULL, NULL); 2357 if (stcb == NULL) { 2358 SCTP_INP_DECR_REF(inp); 2359 } 2360 } 2361 if (stcb && (net == NULL)) { 2362 struct sockaddr *sa; 2363 2364 sa = (struct sockaddr *)&paddrp->spp_address; 2365#ifdef INET 2366 if (sa->sa_family == AF_INET) { 2367 struct sockaddr_in *sin; 2368 2369 sin = (struct sockaddr_in *)sa; 2370 if (sin->sin_addr.s_addr) { 2371 error = EINVAL; 2372 SCTP_TCB_UNLOCK(stcb); 2373 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2374 break; 2375 } 2376 } else 2377#endif 2378#ifdef INET6 2379 if (sa->sa_family == AF_INET6) { 2380 struct sockaddr_in6 *sin6; 2381 2382 sin6 = (struct sockaddr_in6 *)sa; 2383 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2384 error = EINVAL; 2385 SCTP_TCB_UNLOCK(stcb); 2386 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2387 break; 2388 } 2389 } else 2390#endif 2391 { 2392 error = EAFNOSUPPORT; 2393 SCTP_TCB_UNLOCK(stcb); 2394 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2395 break; 2396 } 2397 } 2398 if (stcb) { 2399 /* Applies to the specific association */ 2400 paddrp->spp_flags = 0; 2401 if (net) { 2402 int ovh; 2403 2404 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2405 ovh = SCTP_MED_OVERHEAD; 2406 } else { 2407 ovh = SCTP_MED_V4_OVERHEAD; 2408 } 2409 2410 paddrp->spp_hbinterval = net->heart_beat_delay; 2411 paddrp->spp_pathmaxrxt = net->failure_threshold; 2412 paddrp->spp_pathmtu = net->mtu - ovh; 2413 /* get flags for HB */ 2414 if (net->dest_state & SCTP_ADDR_NOHB) { 2415 paddrp->spp_flags |= SPP_HB_DISABLE; 2416 } else { 2417 paddrp->spp_flags |= SPP_HB_ENABLE; 2418 } 2419 /* get flags for PMTU */ 2420 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2421 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2422 } else { 2423 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2424 } 2425 if (net->dscp & 0x01) { 2426 paddrp->spp_dscp = net->dscp & 0xfc; 2427 paddrp->spp_flags |= SPP_DSCP; 2428 } 2429#ifdef INET6 2430 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2431 (net->flowlabel & 0x80000000)) { 2432 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2433 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2434 } 2435#endif 2436 } else { 2437 /* 2438 * No destination so return default 2439 * value 2440 */ 2441 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2442 paddrp->spp_pathmtu = sctp_get_frag_point(stcb, &stcb->asoc); 2443 if (stcb->asoc.default_dscp & 0x01) { 2444 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2445 paddrp->spp_flags |= SPP_DSCP; 2446 } 2447#ifdef INET6 2448 if (stcb->asoc.default_flowlabel & 0x80000000) { 2449 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2450 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2451 } 2452#endif 2453 /* default settings should be these */ 2454 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2455 paddrp->spp_flags |= SPP_HB_DISABLE; 2456 } else { 2457 paddrp->spp_flags |= SPP_HB_ENABLE; 2458 } 2459 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2460 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2461 } else { 2462 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2463 } 2464 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2465 } 2466 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2467 SCTP_TCB_UNLOCK(stcb); 2468 } else { 2469 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2470 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2471 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 2472 /* Use endpoint defaults */ 2473 SCTP_INP_RLOCK(inp); 2474 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2475 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2476 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2477 /* get inp's default */ 2478 if (inp->sctp_ep.default_dscp & 0x01) { 2479 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2480 paddrp->spp_flags |= SPP_DSCP; 2481 } 2482#ifdef INET6 2483 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2484 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2485 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2486 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2487 } 2488#endif 2489 /* can't return this */ 2490 paddrp->spp_pathmtu = 0; 2491 2492 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2493 paddrp->spp_flags |= SPP_HB_ENABLE; 2494 } else { 2495 paddrp->spp_flags |= SPP_HB_DISABLE; 2496 } 2497 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2498 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2499 } else { 2500 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2501 } 2502 SCTP_INP_RUNLOCK(inp); 2503 } else { 2504 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2505 error = EINVAL; 2506 } 2507 } 2508 if (error == 0) { 2509 *optsize = sizeof(struct sctp_paddrparams); 2510 } 2511 break; 2512 } 2513 case SCTP_GET_PEER_ADDR_INFO: 2514 { 2515 struct sctp_paddrinfo *paddri; 2516 struct sctp_nets *net; 2517 2518 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2519 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2520 2521 net = NULL; 2522 if (stcb) { 2523 net = sctp_findnet(stcb, (struct sockaddr *)&paddri->spinfo_address); 2524 } else { 2525 /* 2526 * We increment here since 2527 * sctp_findassociation_ep_addr() wil do a 2528 * decrement if it finds the stcb as long as 2529 * the locked tcb (last argument) is NOT a 2530 * TCB.. aka NULL. 2531 */ 2532 SCTP_INP_INCR_REF(inp); 2533 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddri->spinfo_address, &net, NULL, NULL); 2534 if (stcb == NULL) { 2535 SCTP_INP_DECR_REF(inp); 2536 } 2537 } 2538 2539 if ((stcb) && (net)) { 2540 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2541 /* It's unconfirmed */ 2542 paddri->spinfo_state = SCTP_UNCONFIRMED; 2543 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2544 /* It's active */ 2545 paddri->spinfo_state = SCTP_ACTIVE; 2546 } else { 2547 /* It's inactive */ 2548 paddri->spinfo_state = SCTP_INACTIVE; 2549 } 2550 paddri->spinfo_cwnd = net->cwnd; 2551 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2552 paddri->spinfo_rto = net->RTO; 2553 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2554 paddri->spinfo_mtu = net->mtu; 2555 SCTP_TCB_UNLOCK(stcb); 2556 *optsize = sizeof(struct sctp_paddrinfo); 2557 } else { 2558 if (stcb) { 2559 SCTP_TCB_UNLOCK(stcb); 2560 } 2561 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2562 error = ENOENT; 2563 } 2564 break; 2565 } 2566 case SCTP_PCB_STATUS: 2567 { 2568 struct sctp_pcbinfo *spcb; 2569 2570 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2571 sctp_fill_pcbinfo(spcb); 2572 *optsize = sizeof(struct sctp_pcbinfo); 2573 break; 2574 } 2575 case SCTP_STATUS: 2576 { 2577 struct sctp_nets *net; 2578 struct sctp_status *sstat; 2579 2580 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2581 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2582 2583 if (stcb == NULL) { 2584 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2585 error = EINVAL; 2586 break; 2587 } 2588 /* 2589 * I think passing the state is fine since 2590 * sctp_constants.h will be available to the user 2591 * land. 2592 */ 2593 sstat->sstat_state = stcb->asoc.state; 2594 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2595 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2596 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2597 /* 2598 * We can't include chunks that have been passed to 2599 * the socket layer. Only things in queue. 2600 */ 2601 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2602 stcb->asoc.cnt_on_all_streams); 2603 2604 2605 sstat->sstat_instrms = stcb->asoc.streamincnt; 2606 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2607 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2608 memcpy(&sstat->sstat_primary.spinfo_address, 2609 &stcb->asoc.primary_destination->ro._l_addr, 2610 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2611 net = stcb->asoc.primary_destination; 2612 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2613 /* 2614 * Again the user can get info from sctp_constants.h 2615 * for what the state of the network is. 2616 */ 2617 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2618 /* It's unconfirmed */ 2619 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2620 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2621 /* It's active */ 2622 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2623 } else { 2624 /* It's inactive */ 2625 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2626 } 2627 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2628 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2629 sstat->sstat_primary.spinfo_rto = net->RTO; 2630 sstat->sstat_primary.spinfo_mtu = net->mtu; 2631 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2632 SCTP_TCB_UNLOCK(stcb); 2633 *optsize = sizeof(struct sctp_status); 2634 break; 2635 } 2636 case SCTP_RTOINFO: 2637 { 2638 struct sctp_rtoinfo *srto; 2639 2640 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2641 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2642 2643 if (stcb) { 2644 srto->srto_initial = stcb->asoc.initial_rto; 2645 srto->srto_max = stcb->asoc.maxrto; 2646 srto->srto_min = stcb->asoc.minrto; 2647 SCTP_TCB_UNLOCK(stcb); 2648 } else { 2649 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2650 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2651 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2652 SCTP_INP_RLOCK(inp); 2653 srto->srto_initial = inp->sctp_ep.initial_rto; 2654 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2655 srto->srto_min = inp->sctp_ep.sctp_minrto; 2656 SCTP_INP_RUNLOCK(inp); 2657 } else { 2658 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2659 error = EINVAL; 2660 } 2661 } 2662 if (error == 0) { 2663 *optsize = sizeof(struct sctp_rtoinfo); 2664 } 2665 break; 2666 } 2667 case SCTP_TIMEOUTS: 2668 { 2669 struct sctp_timeouts *stimo; 2670 2671 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2672 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2673 2674 if (stcb) { 2675 stimo->stimo_init = stcb->asoc.timoinit; 2676 stimo->stimo_data = stcb->asoc.timodata; 2677 stimo->stimo_sack = stcb->asoc.timosack; 2678 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2679 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2680 stimo->stimo_cookie = stcb->asoc.timocookie; 2681 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2682 SCTP_TCB_UNLOCK(stcb); 2683 *optsize = sizeof(struct sctp_timeouts); 2684 } else { 2685 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2686 error = EINVAL; 2687 } 2688 break; 2689 } 2690 case SCTP_ASSOCINFO: 2691 { 2692 struct sctp_assocparams *sasoc; 2693 2694 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2695 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2696 2697 if (stcb) { 2698 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2699 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2700 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2701 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2702 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2703 SCTP_TCB_UNLOCK(stcb); 2704 } else { 2705 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2706 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2707 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2708 SCTP_INP_RLOCK(inp); 2709 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2710 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2711 sasoc->sasoc_number_peer_destinations = 0; 2712 sasoc->sasoc_peer_rwnd = 0; 2713 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2714 SCTP_INP_RUNLOCK(inp); 2715 } else { 2716 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2717 error = EINVAL; 2718 } 2719 } 2720 if (error == 0) { 2721 *optsize = sizeof(struct sctp_assocparams); 2722 } 2723 break; 2724 } 2725 case SCTP_DEFAULT_SEND_PARAM: 2726 { 2727 struct sctp_sndrcvinfo *s_info; 2728 2729 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2730 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2731 2732 if (stcb) { 2733 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2734 SCTP_TCB_UNLOCK(stcb); 2735 } else { 2736 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2737 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2738 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2739 SCTP_INP_RLOCK(inp); 2740 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2741 SCTP_INP_RUNLOCK(inp); 2742 } else { 2743 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2744 error = EINVAL; 2745 } 2746 } 2747 if (error == 0) { 2748 *optsize = sizeof(struct sctp_sndrcvinfo); 2749 } 2750 break; 2751 } 2752 case SCTP_INITMSG: 2753 { 2754 struct sctp_initmsg *sinit; 2755 2756 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2757 SCTP_INP_RLOCK(inp); 2758 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2759 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2760 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2761 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2762 SCTP_INP_RUNLOCK(inp); 2763 *optsize = sizeof(struct sctp_initmsg); 2764 break; 2765 } 2766 case SCTP_PRIMARY_ADDR: 2767 /* we allow a "get" operation on this */ 2768 { 2769 struct sctp_setprim *ssp; 2770 2771 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2772 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2773 2774 if (stcb) { 2775 /* simply copy out the sockaddr_storage... */ 2776 size_t len; 2777 2778 len = *optsize; 2779 if (len > stcb->asoc.primary_destination->ro._l_addr.sa.sa_len) 2780 len = stcb->asoc.primary_destination->ro._l_addr.sa.sa_len; 2781 2782 memcpy(&ssp->ssp_addr, 2783 &stcb->asoc.primary_destination->ro._l_addr, 2784 len); 2785 SCTP_TCB_UNLOCK(stcb); 2786 *optsize = sizeof(struct sctp_setprim); 2787 } else { 2788 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2789 error = EINVAL; 2790 } 2791 break; 2792 } 2793 case SCTP_HMAC_IDENT: 2794 { 2795 struct sctp_hmacalgo *shmac; 2796 sctp_hmaclist_t *hmaclist; 2797 uint32_t size; 2798 int i; 2799 2800 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2801 2802 SCTP_INP_RLOCK(inp); 2803 hmaclist = inp->sctp_ep.local_hmacs; 2804 if (hmaclist == NULL) { 2805 /* no HMACs to return */ 2806 *optsize = sizeof(*shmac); 2807 SCTP_INP_RUNLOCK(inp); 2808 break; 2809 } 2810 /* is there room for all of the hmac ids? */ 2811 size = sizeof(*shmac) + (hmaclist->num_algo * 2812 sizeof(shmac->shmac_idents[0])); 2813 if ((size_t)(*optsize) < size) { 2814 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2815 error = EINVAL; 2816 SCTP_INP_RUNLOCK(inp); 2817 break; 2818 } 2819 /* copy in the list */ 2820 shmac->shmac_number_of_idents = hmaclist->num_algo; 2821 for (i = 0; i < hmaclist->num_algo; i++) { 2822 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2823 } 2824 SCTP_INP_RUNLOCK(inp); 2825 *optsize = size; 2826 break; 2827 } 2828 case SCTP_AUTH_ACTIVE_KEY: 2829 { 2830 struct sctp_authkeyid *scact; 2831 2832 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2833 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2834 2835 if (stcb) { 2836 /* get the active key on the assoc */ 2837 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2838 SCTP_TCB_UNLOCK(stcb); 2839 } else { 2840 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2841 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2842 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2843 /* get the endpoint active key */ 2844 SCTP_INP_RLOCK(inp); 2845 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2846 SCTP_INP_RUNLOCK(inp); 2847 } else { 2848 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2849 error = EINVAL; 2850 } 2851 } 2852 if (error == 0) { 2853 *optsize = sizeof(struct sctp_authkeyid); 2854 } 2855 break; 2856 } 2857 case SCTP_LOCAL_AUTH_CHUNKS: 2858 { 2859 struct sctp_authchunks *sac; 2860 sctp_auth_chklist_t *chklist = NULL; 2861 size_t size = 0; 2862 2863 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2864 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2865 2866 if (stcb) { 2867 /* get off the assoc */ 2868 chklist = stcb->asoc.local_auth_chunks; 2869 /* is there enough space? */ 2870 size = sctp_auth_get_chklist_size(chklist); 2871 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2872 error = EINVAL; 2873 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2874 } else { 2875 /* copy in the chunks */ 2876 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2877 sac->gauth_number_of_chunks = (uint32_t) size; 2878 *optsize = sizeof(struct sctp_authchunks) + size; 2879 } 2880 SCTP_TCB_UNLOCK(stcb); 2881 } else { 2882 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2883 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2884 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 2885 /* get off the endpoint */ 2886 SCTP_INP_RLOCK(inp); 2887 chklist = inp->sctp_ep.local_auth_chunks; 2888 /* is there enough space? */ 2889 size = sctp_auth_get_chklist_size(chklist); 2890 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2891 error = EINVAL; 2892 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2893 } else { 2894 /* copy in the chunks */ 2895 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2896 sac->gauth_number_of_chunks = (uint32_t) size; 2897 *optsize = sizeof(struct sctp_authchunks) + size; 2898 } 2899 SCTP_INP_RUNLOCK(inp); 2900 } else { 2901 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2902 error = EINVAL; 2903 } 2904 } 2905 break; 2906 } 2907 case SCTP_PEER_AUTH_CHUNKS: 2908 { 2909 struct sctp_authchunks *sac; 2910 sctp_auth_chklist_t *chklist = NULL; 2911 size_t size = 0; 2912 2913 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2914 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2915 2916 if (stcb) { 2917 /* get off the assoc */ 2918 chklist = stcb->asoc.peer_auth_chunks; 2919 /* is there enough space? */ 2920 size = sctp_auth_get_chklist_size(chklist); 2921 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2922 error = EINVAL; 2923 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2924 } else { 2925 /* copy in the chunks */ 2926 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2927 sac->gauth_number_of_chunks = (uint32_t) size; 2928 *optsize = sizeof(struct sctp_authchunks) + size; 2929 } 2930 SCTP_TCB_UNLOCK(stcb); 2931 } else { 2932 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2933 error = ENOENT; 2934 } 2935 break; 2936 } 2937 case SCTP_EVENT: 2938 { 2939 struct sctp_event *event; 2940 uint32_t event_type; 2941 2942 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 2943 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 2944 2945 switch (event->se_type) { 2946 case SCTP_ASSOC_CHANGE: 2947 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 2948 break; 2949 case SCTP_PEER_ADDR_CHANGE: 2950 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 2951 break; 2952 case SCTP_REMOTE_ERROR: 2953 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 2954 break; 2955 case SCTP_SEND_FAILED: 2956 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 2957 break; 2958 case SCTP_SHUTDOWN_EVENT: 2959 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 2960 break; 2961 case SCTP_ADAPTATION_INDICATION: 2962 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 2963 break; 2964 case SCTP_PARTIAL_DELIVERY_EVENT: 2965 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 2966 break; 2967 case SCTP_AUTHENTICATION_EVENT: 2968 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 2969 break; 2970 case SCTP_STREAM_RESET_EVENT: 2971 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 2972 break; 2973 case SCTP_SENDER_DRY_EVENT: 2974 event_type = SCTP_PCB_FLAGS_DRYEVNT; 2975 break; 2976 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 2977 event_type = 0; 2978 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 2979 error = ENOTSUP; 2980 break; 2981 case SCTP_ASSOC_RESET_EVENT: 2982 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 2983 break; 2984 case SCTP_STREAM_CHANGE_EVENT: 2985 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 2986 break; 2987 case SCTP_SEND_FAILED_EVENT: 2988 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 2989 break; 2990 default: 2991 event_type = 0; 2992 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2993 error = EINVAL; 2994 break; 2995 } 2996 if (event_type > 0) { 2997 if (stcb) { 2998 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 2999 SCTP_TCB_UNLOCK(stcb); 3000 } else { 3001 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3002 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3003 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 3004 SCTP_INP_RLOCK(inp); 3005 event->se_on = sctp_is_feature_on(inp, event_type); 3006 SCTP_INP_RUNLOCK(inp); 3007 } else { 3008 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3009 error = EINVAL; 3010 } 3011 } 3012 } 3013 if (error == 0) { 3014 *optsize = sizeof(struct sctp_event); 3015 } 3016 break; 3017 } 3018 case SCTP_RECVRCVINFO: 3019 { 3020 int onoff; 3021 3022 if (*optsize < sizeof(int)) { 3023 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3024 error = EINVAL; 3025 } else { 3026 SCTP_INP_RLOCK(inp); 3027 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3028 SCTP_INP_RUNLOCK(inp); 3029 } 3030 if (error == 0) { 3031 /* return the option value */ 3032 *(int *)optval = onoff; 3033 *optsize = sizeof(int); 3034 } 3035 break; 3036 } 3037 case SCTP_RECVNXTINFO: 3038 { 3039 int onoff; 3040 3041 if (*optsize < sizeof(int)) { 3042 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3043 error = EINVAL; 3044 } else { 3045 SCTP_INP_RLOCK(inp); 3046 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3047 SCTP_INP_RUNLOCK(inp); 3048 } 3049 if (error == 0) { 3050 /* return the option value */ 3051 *(int *)optval = onoff; 3052 *optsize = sizeof(int); 3053 } 3054 break; 3055 } 3056 case SCTP_DEFAULT_SNDINFO: 3057 { 3058 struct sctp_sndinfo *info; 3059 3060 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3061 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3062 3063 if (stcb) { 3064 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3065 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3066 info->snd_flags &= 0xfff0; 3067 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3068 info->snd_context = stcb->asoc.def_send.sinfo_context; 3069 SCTP_TCB_UNLOCK(stcb); 3070 } else { 3071 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3072 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3073 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3074 SCTP_INP_RLOCK(inp); 3075 info->snd_sid = inp->def_send.sinfo_stream; 3076 info->snd_flags = inp->def_send.sinfo_flags; 3077 info->snd_flags &= 0xfff0; 3078 info->snd_ppid = inp->def_send.sinfo_ppid; 3079 info->snd_context = inp->def_send.sinfo_context; 3080 SCTP_INP_RUNLOCK(inp); 3081 } else { 3082 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3083 error = EINVAL; 3084 } 3085 } 3086 if (error == 0) { 3087 *optsize = sizeof(struct sctp_sndinfo); 3088 } 3089 break; 3090 } 3091 case SCTP_DEFAULT_PRINFO: 3092 { 3093 struct sctp_default_prinfo *info; 3094 3095 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3096 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3097 3098 if (stcb) { 3099 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3100 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3101 SCTP_TCB_UNLOCK(stcb); 3102 } else { 3103 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3104 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3105 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3106 SCTP_INP_RLOCK(inp); 3107 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3108 info->pr_value = inp->def_send.sinfo_timetolive; 3109 SCTP_INP_RUNLOCK(inp); 3110 } else { 3111 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3112 error = EINVAL; 3113 } 3114 } 3115 if (error == 0) { 3116 *optsize = sizeof(struct sctp_default_prinfo); 3117 } 3118 break; 3119 } 3120 case SCTP_PEER_ADDR_THLDS: 3121 { 3122 struct sctp_paddrthlds *thlds; 3123 struct sctp_nets *net; 3124 3125 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3126 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3127 3128 net = NULL; 3129 if (stcb) { 3130 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_address); 3131 } else { 3132 /* 3133 * We increment here since 3134 * sctp_findassociation_ep_addr() wil do a 3135 * decrement if it finds the stcb as long as 3136 * the locked tcb (last argument) is NOT a 3137 * TCB.. aka NULL. 3138 */ 3139 SCTP_INP_INCR_REF(inp); 3140 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&thlds->spt_address, &net, NULL, NULL); 3141 if (stcb == NULL) { 3142 SCTP_INP_DECR_REF(inp); 3143 } 3144 } 3145 if (stcb && (net == NULL)) { 3146 struct sockaddr *sa; 3147 3148 sa = (struct sockaddr *)&thlds->spt_address; 3149#ifdef INET 3150 if (sa->sa_family == AF_INET) { 3151 struct sockaddr_in *sin; 3152 3153 sin = (struct sockaddr_in *)sa; 3154 if (sin->sin_addr.s_addr) { 3155 error = EINVAL; 3156 SCTP_TCB_UNLOCK(stcb); 3157 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3158 break; 3159 } 3160 } else 3161#endif 3162#ifdef INET6 3163 if (sa->sa_family == AF_INET6) { 3164 struct sockaddr_in6 *sin6; 3165 3166 sin6 = (struct sockaddr_in6 *)sa; 3167 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3168 error = EINVAL; 3169 SCTP_TCB_UNLOCK(stcb); 3170 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3171 break; 3172 } 3173 } else 3174#endif 3175 { 3176 error = EAFNOSUPPORT; 3177 SCTP_TCB_UNLOCK(stcb); 3178 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3179 break; 3180 } 3181 } 3182 if (stcb) { 3183 if (net) { 3184 thlds->spt_pathmaxrxt = net->failure_threshold; 3185 thlds->spt_pathpfthld = net->pf_threshold; 3186 } else { 3187 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3188 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3189 } 3190 thlds->spt_assoc_id = sctp_get_associd(stcb); 3191 SCTP_TCB_UNLOCK(stcb); 3192 } else { 3193 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3194 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3195 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3196 /* Use endpoint defaults */ 3197 SCTP_INP_RLOCK(inp); 3198 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3199 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3200 SCTP_INP_RUNLOCK(inp); 3201 } else { 3202 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3203 error = EINVAL; 3204 } 3205 } 3206 if (error == 0) { 3207 *optsize = sizeof(struct sctp_paddrthlds); 3208 } 3209 break; 3210 } 3211 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3212 { 3213 struct sctp_udpencaps *encaps; 3214 struct sctp_nets *net; 3215 3216 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3217 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3218 3219 if (stcb) { 3220 net = sctp_findnet(stcb, (struct sockaddr *)&encaps->sue_address); 3221 } else { 3222 /* 3223 * We increment here since 3224 * sctp_findassociation_ep_addr() wil do a 3225 * decrement if it finds the stcb as long as 3226 * the locked tcb (last argument) is NOT a 3227 * TCB.. aka NULL. 3228 */ 3229 net = NULL; 3230 SCTP_INP_INCR_REF(inp); 3231 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&encaps->sue_address, &net, NULL, NULL); 3232 if (stcb == NULL) { 3233 SCTP_INP_DECR_REF(inp); 3234 } 3235 } 3236 if (stcb && (net == NULL)) { 3237 struct sockaddr *sa; 3238 3239 sa = (struct sockaddr *)&encaps->sue_address; 3240#ifdef INET 3241 if (sa->sa_family == AF_INET) { 3242 struct sockaddr_in *sin; 3243 3244 sin = (struct sockaddr_in *)sa; 3245 if (sin->sin_addr.s_addr) { 3246 error = EINVAL; 3247 SCTP_TCB_UNLOCK(stcb); 3248 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3249 break; 3250 } 3251 } else 3252#endif 3253#ifdef INET6 3254 if (sa->sa_family == AF_INET6) { 3255 struct sockaddr_in6 *sin6; 3256 3257 sin6 = (struct sockaddr_in6 *)sa; 3258 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3259 error = EINVAL; 3260 SCTP_TCB_UNLOCK(stcb); 3261 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3262 break; 3263 } 3264 } else 3265#endif 3266 { 3267 error = EAFNOSUPPORT; 3268 SCTP_TCB_UNLOCK(stcb); 3269 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3270 break; 3271 } 3272 } 3273 if (stcb) { 3274 if (net) { 3275 encaps->sue_port = net->port; 3276 } else { 3277 encaps->sue_port = stcb->asoc.port; 3278 } 3279 SCTP_TCB_UNLOCK(stcb); 3280 } else { 3281 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3282 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3283 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3284 SCTP_INP_RLOCK(inp); 3285 encaps->sue_port = inp->sctp_ep.port; 3286 SCTP_INP_RUNLOCK(inp); 3287 } else { 3288 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3289 error = EINVAL; 3290 } 3291 } 3292 if (error == 0) { 3293 *optsize = sizeof(struct sctp_udpencaps); 3294 } 3295 break; 3296 } 3297 case SCTP_ECN_SUPPORTED: 3298 { 3299 struct sctp_assoc_value *av; 3300 3301 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3302 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3303 3304 if (stcb) { 3305 av->assoc_value = stcb->asoc.ecn_supported; 3306 SCTP_TCB_UNLOCK(stcb); 3307 } else { 3308 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3309 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3310 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3311 SCTP_INP_RLOCK(inp); 3312 av->assoc_value = inp->ecn_supported; 3313 SCTP_INP_RUNLOCK(inp); 3314 } else { 3315 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3316 error = EINVAL; 3317 } 3318 } 3319 if (error == 0) { 3320 *optsize = sizeof(struct sctp_assoc_value); 3321 } 3322 break; 3323 } 3324 case SCTP_PR_SUPPORTED: 3325 { 3326 struct sctp_assoc_value *av; 3327 3328 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3329 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3330 3331 if (stcb) { 3332 av->assoc_value = stcb->asoc.prsctp_supported; 3333 SCTP_TCB_UNLOCK(stcb); 3334 } else { 3335 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3336 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3337 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3338 SCTP_INP_RLOCK(inp); 3339 av->assoc_value = inp->prsctp_supported; 3340 SCTP_INP_RUNLOCK(inp); 3341 } else { 3342 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3343 error = EINVAL; 3344 } 3345 } 3346 if (error == 0) { 3347 *optsize = sizeof(struct sctp_assoc_value); 3348 } 3349 break; 3350 } 3351 case SCTP_AUTH_SUPPORTED: 3352 { 3353 struct sctp_assoc_value *av; 3354 3355 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3356 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3357 3358 if (stcb) { 3359 av->assoc_value = stcb->asoc.auth_supported; 3360 SCTP_TCB_UNLOCK(stcb); 3361 } else { 3362 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3363 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3364 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3365 SCTP_INP_RLOCK(inp); 3366 av->assoc_value = inp->auth_supported; 3367 SCTP_INP_RUNLOCK(inp); 3368 } else { 3369 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3370 error = EINVAL; 3371 } 3372 } 3373 if (error == 0) { 3374 *optsize = sizeof(struct sctp_assoc_value); 3375 } 3376 break; 3377 } 3378 case SCTP_ASCONF_SUPPORTED: 3379 { 3380 struct sctp_assoc_value *av; 3381 3382 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3383 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3384 3385 if (stcb) { 3386 av->assoc_value = stcb->asoc.asconf_supported; 3387 SCTP_TCB_UNLOCK(stcb); 3388 } else { 3389 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3390 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3391 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3392 SCTP_INP_RLOCK(inp); 3393 av->assoc_value = inp->asconf_supported; 3394 SCTP_INP_RUNLOCK(inp); 3395 } else { 3396 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3397 error = EINVAL; 3398 } 3399 } 3400 if (error == 0) { 3401 *optsize = sizeof(struct sctp_assoc_value); 3402 } 3403 break; 3404 } 3405 case SCTP_RECONFIG_SUPPORTED: 3406 { 3407 struct sctp_assoc_value *av; 3408 3409 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3410 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3411 3412 if (stcb) { 3413 av->assoc_value = stcb->asoc.reconfig_supported; 3414 SCTP_TCB_UNLOCK(stcb); 3415 } else { 3416 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3417 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3418 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3419 SCTP_INP_RLOCK(inp); 3420 av->assoc_value = inp->reconfig_supported; 3421 SCTP_INP_RUNLOCK(inp); 3422 } else { 3423 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3424 error = EINVAL; 3425 } 3426 } 3427 if (error == 0) { 3428 *optsize = sizeof(struct sctp_assoc_value); 3429 } 3430 break; 3431 } 3432 case SCTP_NRSACK_SUPPORTED: 3433 { 3434 struct sctp_assoc_value *av; 3435 3436 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3437 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3438 3439 if (stcb) { 3440 av->assoc_value = stcb->asoc.nrsack_supported; 3441 SCTP_TCB_UNLOCK(stcb); 3442 } else { 3443 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3444 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3445 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3446 SCTP_INP_RLOCK(inp); 3447 av->assoc_value = inp->nrsack_supported; 3448 SCTP_INP_RUNLOCK(inp); 3449 } else { 3450 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3451 error = EINVAL; 3452 } 3453 } 3454 if (error == 0) { 3455 *optsize = sizeof(struct sctp_assoc_value); 3456 } 3457 break; 3458 } 3459 case SCTP_PKTDROP_SUPPORTED: 3460 { 3461 struct sctp_assoc_value *av; 3462 3463 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3464 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3465 3466 if (stcb) { 3467 av->assoc_value = stcb->asoc.pktdrop_supported; 3468 SCTP_TCB_UNLOCK(stcb); 3469 } else { 3470 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3471 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3472 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3473 SCTP_INP_RLOCK(inp); 3474 av->assoc_value = inp->pktdrop_supported; 3475 SCTP_INP_RUNLOCK(inp); 3476 } else { 3477 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3478 error = EINVAL; 3479 } 3480 } 3481 if (error == 0) { 3482 *optsize = sizeof(struct sctp_assoc_value); 3483 } 3484 break; 3485 } 3486 case SCTP_ENABLE_STREAM_RESET: 3487 { 3488 struct sctp_assoc_value *av; 3489 3490 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3491 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3492 3493 if (stcb) { 3494 av->assoc_value = (uint32_t) stcb->asoc.local_strreset_support; 3495 SCTP_TCB_UNLOCK(stcb); 3496 } else { 3497 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3498 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3499 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3500 SCTP_INP_RLOCK(inp); 3501 av->assoc_value = (uint32_t) inp->local_strreset_support; 3502 SCTP_INP_RUNLOCK(inp); 3503 } else { 3504 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3505 error = EINVAL; 3506 } 3507 } 3508 if (error == 0) { 3509 *optsize = sizeof(struct sctp_assoc_value); 3510 } 3511 break; 3512 } 3513 case SCTP_PR_STREAM_STATUS: 3514 { 3515 struct sctp_prstatus *sprstat; 3516 uint16_t sid; 3517 uint16_t policy; 3518 3519 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3520 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3521 3522 sid = sprstat->sprstat_sid; 3523 policy = sprstat->sprstat_policy; 3524#if defined(SCTP_DETAILED_STR_STATS) 3525 if ((stcb != NULL) && 3526 (policy != SCTP_PR_SCTP_NONE) && 3527 (sid < stcb->asoc.streamoutcnt) && 3528 ((policy == SCTP_PR_SCTP_ALL) || 3529 (PR_SCTP_VALID_POLICY(policy)))) { 3530#else 3531 if ((stcb != NULL) && 3532 (policy != SCTP_PR_SCTP_NONE) && 3533 (sid < stcb->asoc.streamoutcnt) && 3534 (policy == SCTP_PR_SCTP_ALL)) { 3535#endif 3536 if (policy == SCTP_PR_SCTP_ALL) { 3537 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3538 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3539 } else { 3540 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3541 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3542 } 3543 SCTP_TCB_UNLOCK(stcb); 3544 *optsize = sizeof(struct sctp_prstatus); 3545 } else { 3546 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3547 error = EINVAL; 3548 } 3549 break; 3550 } 3551 case SCTP_PR_ASSOC_STATUS: 3552 { 3553 struct sctp_prstatus *sprstat; 3554 uint16_t policy; 3555 3556 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3557 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3558 3559 policy = sprstat->sprstat_policy; 3560 if ((stcb != NULL) && 3561 (policy != SCTP_PR_SCTP_NONE) && 3562 ((policy == SCTP_PR_SCTP_ALL) || 3563 (PR_SCTP_VALID_POLICY(policy)))) { 3564 if (policy == SCTP_PR_SCTP_ALL) { 3565 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3566 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3567 } else { 3568 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3569 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3570 } 3571 SCTP_TCB_UNLOCK(stcb); 3572 *optsize = sizeof(struct sctp_prstatus); 3573 } else { 3574 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3575 error = EINVAL; 3576 } 3577 break; 3578 } 3579 default: 3580 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3581 error = ENOPROTOOPT; 3582 break; 3583 } /* end switch (sopt->sopt_name) */ 3584 if (error) { 3585 *optsize = 0; 3586 } 3587 return (error); 3588} 3589 3590static int 3591sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3592 void *p) 3593{ 3594 int error, set_opt; 3595 uint32_t *mopt; 3596 struct sctp_tcb *stcb = NULL; 3597 struct sctp_inpcb *inp = NULL; 3598 uint32_t vrf_id; 3599 3600 if (optval == NULL) { 3601 SCTP_PRINTF("optval is NULL\n"); 3602 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3603 return (EINVAL); 3604 } 3605 inp = (struct sctp_inpcb *)so->so_pcb; 3606 if (inp == NULL) { 3607 SCTP_PRINTF("inp is NULL?\n"); 3608 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3609 return (EINVAL); 3610 } 3611 vrf_id = inp->def_vrf_id; 3612 3613 error = 0; 3614 switch (optname) { 3615 case SCTP_NODELAY: 3616 case SCTP_AUTOCLOSE: 3617 case SCTP_AUTO_ASCONF: 3618 case SCTP_EXPLICIT_EOR: 3619 case SCTP_DISABLE_FRAGMENTS: 3620 case SCTP_USE_EXT_RCVINFO: 3621 case SCTP_I_WANT_MAPPED_V4_ADDR: 3622 /* copy in the option value */ 3623 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3624 set_opt = 0; 3625 if (error) 3626 break; 3627 switch (optname) { 3628 case SCTP_DISABLE_FRAGMENTS: 3629 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3630 break; 3631 case SCTP_AUTO_ASCONF: 3632 /* 3633 * NOTE: we don't really support this flag 3634 */ 3635 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3636 /* only valid for bound all sockets */ 3637 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3638 (*mopt != 0)) { 3639 /* forbidden by admin */ 3640 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3641 return (EPERM); 3642 } 3643 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3644 } else { 3645 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3646 return (EINVAL); 3647 } 3648 break; 3649 case SCTP_EXPLICIT_EOR: 3650 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3651 break; 3652 case SCTP_USE_EXT_RCVINFO: 3653 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3654 break; 3655 case SCTP_I_WANT_MAPPED_V4_ADDR: 3656 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3657 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3658 } else { 3659 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3660 return (EINVAL); 3661 } 3662 break; 3663 case SCTP_NODELAY: 3664 set_opt = SCTP_PCB_FLAGS_NODELAY; 3665 break; 3666 case SCTP_AUTOCLOSE: 3667 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3668 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3669 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3670 return (EINVAL); 3671 } 3672 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3673 /* 3674 * The value is in ticks. Note this does not effect 3675 * old associations, only new ones. 3676 */ 3677 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3678 break; 3679 } 3680 SCTP_INP_WLOCK(inp); 3681 if (*mopt != 0) { 3682 sctp_feature_on(inp, set_opt); 3683 } else { 3684 sctp_feature_off(inp, set_opt); 3685 } 3686 SCTP_INP_WUNLOCK(inp); 3687 break; 3688 case SCTP_REUSE_PORT: 3689 { 3690 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3691 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3692 /* Can't set it after we are bound */ 3693 error = EINVAL; 3694 break; 3695 } 3696 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3697 /* Can't do this for a 1-m socket */ 3698 error = EINVAL; 3699 break; 3700 } 3701 if (optval) 3702 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3703 else 3704 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3705 break; 3706 } 3707 case SCTP_PARTIAL_DELIVERY_POINT: 3708 { 3709 uint32_t *value; 3710 3711 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3712 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3713 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3714 error = EINVAL; 3715 break; 3716 } 3717 inp->partial_delivery_point = *value; 3718 break; 3719 } 3720 case SCTP_FRAGMENT_INTERLEAVE: 3721 /* not yet until we re-write sctp_recvmsg() */ 3722 { 3723 uint32_t *level; 3724 3725 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3726 if (*level == SCTP_FRAG_LEVEL_2) { 3727 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3728 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3729 } else if (*level == SCTP_FRAG_LEVEL_1) { 3730 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3731 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3732 } else if (*level == SCTP_FRAG_LEVEL_0) { 3733 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3734 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3735 3736 } else { 3737 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3738 error = EINVAL; 3739 } 3740 break; 3741 } 3742 case SCTP_CMT_ON_OFF: 3743 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3744 struct sctp_assoc_value *av; 3745 3746 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3747 if (av->assoc_value > SCTP_CMT_MAX) { 3748 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3749 error = EINVAL; 3750 break; 3751 } 3752 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3753 if (stcb) { 3754 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3755 SCTP_TCB_UNLOCK(stcb); 3756 } else { 3757 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3758 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3759 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3760 (av->assoc_id == SCTP_ALL_ASSOC)) { 3761 SCTP_INP_WLOCK(inp); 3762 inp->sctp_cmt_on_off = av->assoc_value; 3763 SCTP_INP_WUNLOCK(inp); 3764 } 3765 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3766 (av->assoc_id == SCTP_ALL_ASSOC)) { 3767 SCTP_INP_RLOCK(inp); 3768 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3769 SCTP_TCB_LOCK(stcb); 3770 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3771 SCTP_TCB_UNLOCK(stcb); 3772 } 3773 SCTP_INP_RUNLOCK(inp); 3774 } 3775 } 3776 } else { 3777 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3778 error = ENOPROTOOPT; 3779 } 3780 break; 3781 case SCTP_PLUGGABLE_CC: 3782 { 3783 struct sctp_assoc_value *av; 3784 struct sctp_nets *net; 3785 3786 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3787 if ((av->assoc_value != SCTP_CC_RFC2581) && 3788 (av->assoc_value != SCTP_CC_HSTCP) && 3789 (av->assoc_value != SCTP_CC_HTCP) && 3790 (av->assoc_value != SCTP_CC_RTCC)) { 3791 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3792 error = EINVAL; 3793 break; 3794 } 3795 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3796 if (stcb) { 3797 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3798 stcb->asoc.congestion_control_module = av->assoc_value; 3799 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3800 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3801 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3802 } 3803 } 3804 SCTP_TCB_UNLOCK(stcb); 3805 } else { 3806 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3807 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3808 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3809 (av->assoc_id == SCTP_ALL_ASSOC)) { 3810 SCTP_INP_WLOCK(inp); 3811 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3812 SCTP_INP_WUNLOCK(inp); 3813 } 3814 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3815 (av->assoc_id == SCTP_ALL_ASSOC)) { 3816 SCTP_INP_RLOCK(inp); 3817 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3818 SCTP_TCB_LOCK(stcb); 3819 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3820 stcb->asoc.congestion_control_module = av->assoc_value; 3821 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3822 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3823 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3824 } 3825 } 3826 SCTP_TCB_UNLOCK(stcb); 3827 } 3828 SCTP_INP_RUNLOCK(inp); 3829 } 3830 } 3831 break; 3832 } 3833 case SCTP_CC_OPTION: 3834 { 3835 struct sctp_cc_option *cc_opt; 3836 3837 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 3838 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 3839 if (stcb == NULL) { 3840 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 3841 SCTP_INP_RLOCK(inp); 3842 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3843 SCTP_TCB_LOCK(stcb); 3844 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 3845 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 3846 } 3847 SCTP_TCB_UNLOCK(stcb); 3848 } 3849 SCTP_INP_RUNLOCK(inp); 3850 } else { 3851 error = EINVAL; 3852 } 3853 } else { 3854 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 3855 error = ENOTSUP; 3856 } else { 3857 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 3858 cc_opt); 3859 } 3860 SCTP_TCB_UNLOCK(stcb); 3861 } 3862 break; 3863 } 3864 case SCTP_PLUGGABLE_SS: 3865 { 3866 struct sctp_assoc_value *av; 3867 3868 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3869 if ((av->assoc_value != SCTP_SS_DEFAULT) && 3870 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 3871 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 3872 (av->assoc_value != SCTP_SS_PRIORITY) && 3873 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 3874 (av->assoc_value != SCTP_SS_FIRST_COME)) { 3875 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3876 error = EINVAL; 3877 break; 3878 } 3879 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3880 if (stcb) { 3881 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 3882 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 3883 stcb->asoc.stream_scheduling_module = av->assoc_value; 3884 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 3885 SCTP_TCB_UNLOCK(stcb); 3886 } else { 3887 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3888 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3889 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3890 (av->assoc_id == SCTP_ALL_ASSOC)) { 3891 SCTP_INP_WLOCK(inp); 3892 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 3893 SCTP_INP_WUNLOCK(inp); 3894 } 3895 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3896 (av->assoc_id == SCTP_ALL_ASSOC)) { 3897 SCTP_INP_RLOCK(inp); 3898 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3899 SCTP_TCB_LOCK(stcb); 3900 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 3901 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 3902 stcb->asoc.stream_scheduling_module = av->assoc_value; 3903 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 3904 SCTP_TCB_UNLOCK(stcb); 3905 } 3906 SCTP_INP_RUNLOCK(inp); 3907 } 3908 } 3909 break; 3910 } 3911 case SCTP_SS_VALUE: 3912 { 3913 struct sctp_stream_value *av; 3914 3915 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 3916 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3917 if (stcb) { 3918 if (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 3919 av->stream_value) < 0) { 3920 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3921 error = EINVAL; 3922 } 3923 SCTP_TCB_UNLOCK(stcb); 3924 } else { 3925 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 3926 SCTP_INP_RLOCK(inp); 3927 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3928 SCTP_TCB_LOCK(stcb); 3929 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 3930 &stcb->asoc, 3931 &stcb->asoc.strmout[av->stream_id], 3932 av->stream_value); 3933 SCTP_TCB_UNLOCK(stcb); 3934 } 3935 SCTP_INP_RUNLOCK(inp); 3936 3937 } else { 3938 /* 3939 * Can't set stream value without 3940 * association 3941 */ 3942 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3943 error = EINVAL; 3944 } 3945 } 3946 break; 3947 } 3948 case SCTP_CLR_STAT_LOG: 3949 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3950 error = EOPNOTSUPP; 3951 break; 3952 case SCTP_CONTEXT: 3953 { 3954 struct sctp_assoc_value *av; 3955 3956 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3957 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3958 3959 if (stcb) { 3960 stcb->asoc.context = av->assoc_value; 3961 SCTP_TCB_UNLOCK(stcb); 3962 } else { 3963 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3964 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3965 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3966 (av->assoc_id == SCTP_ALL_ASSOC)) { 3967 SCTP_INP_WLOCK(inp); 3968 inp->sctp_context = av->assoc_value; 3969 SCTP_INP_WUNLOCK(inp); 3970 } 3971 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3972 (av->assoc_id == SCTP_ALL_ASSOC)) { 3973 SCTP_INP_RLOCK(inp); 3974 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3975 SCTP_TCB_LOCK(stcb); 3976 stcb->asoc.context = av->assoc_value; 3977 SCTP_TCB_UNLOCK(stcb); 3978 } 3979 SCTP_INP_RUNLOCK(inp); 3980 } 3981 } 3982 break; 3983 } 3984 case SCTP_VRF_ID: 3985 { 3986 uint32_t *default_vrfid; 3987 3988 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 3989 if (*default_vrfid > SCTP_MAX_VRF_ID) { 3990 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3991 error = EINVAL; 3992 break; 3993 } 3994 inp->def_vrf_id = *default_vrfid; 3995 break; 3996 } 3997 case SCTP_DEL_VRF_ID: 3998 { 3999 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4000 error = EOPNOTSUPP; 4001 break; 4002 } 4003 case SCTP_ADD_VRF_ID: 4004 { 4005 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4006 error = EOPNOTSUPP; 4007 break; 4008 } 4009 case SCTP_DELAYED_SACK: 4010 { 4011 struct sctp_sack_info *sack; 4012 4013 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4014 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4015 if (sack->sack_delay) { 4016 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 4017 sack->sack_delay = SCTP_MAX_SACK_DELAY; 4018 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 4019 sack->sack_delay = TICKS_TO_MSEC(1); 4020 } 4021 } 4022 if (stcb) { 4023 if (sack->sack_delay) { 4024 stcb->asoc.delayed_ack = sack->sack_delay; 4025 } 4026 if (sack->sack_freq) { 4027 stcb->asoc.sack_freq = sack->sack_freq; 4028 } 4029 SCTP_TCB_UNLOCK(stcb); 4030 } else { 4031 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4032 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4033 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4034 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4035 SCTP_INP_WLOCK(inp); 4036 if (sack->sack_delay) { 4037 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 4038 } 4039 if (sack->sack_freq) { 4040 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4041 } 4042 SCTP_INP_WUNLOCK(inp); 4043 } 4044 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4045 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4046 SCTP_INP_RLOCK(inp); 4047 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4048 SCTP_TCB_LOCK(stcb); 4049 if (sack->sack_delay) { 4050 stcb->asoc.delayed_ack = sack->sack_delay; 4051 } 4052 if (sack->sack_freq) { 4053 stcb->asoc.sack_freq = sack->sack_freq; 4054 } 4055 SCTP_TCB_UNLOCK(stcb); 4056 } 4057 SCTP_INP_RUNLOCK(inp); 4058 } 4059 } 4060 break; 4061 } 4062 case SCTP_AUTH_CHUNK: 4063 { 4064 struct sctp_authchunk *sauth; 4065 4066 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4067 4068 SCTP_INP_WLOCK(inp); 4069 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4070 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4071 error = EINVAL; 4072 } 4073 SCTP_INP_WUNLOCK(inp); 4074 break; 4075 } 4076 case SCTP_AUTH_KEY: 4077 { 4078 struct sctp_authkey *sca; 4079 struct sctp_keyhead *shared_keys; 4080 sctp_sharedkey_t *shared_key; 4081 sctp_key_t *key = NULL; 4082 size_t size; 4083 4084 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4085 if (sca->sca_keylength == 0) { 4086 size = optsize - sizeof(struct sctp_authkey); 4087 } else { 4088 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4089 size = sca->sca_keylength; 4090 } else { 4091 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4092 error = EINVAL; 4093 break; 4094 } 4095 } 4096 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4097 4098 if (stcb) { 4099 shared_keys = &stcb->asoc.shared_keys; 4100 /* clear the cached keys for this key id */ 4101 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4102 /* 4103 * create the new shared key and 4104 * insert/replace it 4105 */ 4106 if (size > 0) { 4107 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4108 if (key == NULL) { 4109 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4110 error = ENOMEM; 4111 SCTP_TCB_UNLOCK(stcb); 4112 break; 4113 } 4114 } 4115 shared_key = sctp_alloc_sharedkey(); 4116 if (shared_key == NULL) { 4117 sctp_free_key(key); 4118 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4119 error = ENOMEM; 4120 SCTP_TCB_UNLOCK(stcb); 4121 break; 4122 } 4123 shared_key->key = key; 4124 shared_key->keyid = sca->sca_keynumber; 4125 error = sctp_insert_sharedkey(shared_keys, shared_key); 4126 SCTP_TCB_UNLOCK(stcb); 4127 } else { 4128 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4129 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4130 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4131 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4132 SCTP_INP_WLOCK(inp); 4133 shared_keys = &inp->sctp_ep.shared_keys; 4134 /* 4135 * clear the cached keys on all 4136 * assocs for this key id 4137 */ 4138 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4139 /* 4140 * create the new shared key and 4141 * insert/replace it 4142 */ 4143 if (size > 0) { 4144 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4145 if (key == NULL) { 4146 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4147 error = ENOMEM; 4148 SCTP_INP_WUNLOCK(inp); 4149 break; 4150 } 4151 } 4152 shared_key = sctp_alloc_sharedkey(); 4153 if (shared_key == NULL) { 4154 sctp_free_key(key); 4155 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4156 error = ENOMEM; 4157 SCTP_INP_WUNLOCK(inp); 4158 break; 4159 } 4160 shared_key->key = key; 4161 shared_key->keyid = sca->sca_keynumber; 4162 error = sctp_insert_sharedkey(shared_keys, shared_key); 4163 SCTP_INP_WUNLOCK(inp); 4164 } 4165 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4166 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4167 SCTP_INP_RLOCK(inp); 4168 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4169 SCTP_TCB_LOCK(stcb); 4170 shared_keys = &stcb->asoc.shared_keys; 4171 /* 4172 * clear the cached keys for 4173 * this key id 4174 */ 4175 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4176 /* 4177 * create the new shared key 4178 * and insert/replace it 4179 */ 4180 if (size > 0) { 4181 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4182 if (key == NULL) { 4183 SCTP_TCB_UNLOCK(stcb); 4184 continue; 4185 } 4186 } 4187 shared_key = sctp_alloc_sharedkey(); 4188 if (shared_key == NULL) { 4189 sctp_free_key(key); 4190 SCTP_TCB_UNLOCK(stcb); 4191 continue; 4192 } 4193 shared_key->key = key; 4194 shared_key->keyid = sca->sca_keynumber; 4195 error = sctp_insert_sharedkey(shared_keys, shared_key); 4196 SCTP_TCB_UNLOCK(stcb); 4197 } 4198 SCTP_INP_RUNLOCK(inp); 4199 } 4200 } 4201 break; 4202 } 4203 case SCTP_HMAC_IDENT: 4204 { 4205 struct sctp_hmacalgo *shmac; 4206 sctp_hmaclist_t *hmaclist; 4207 uint16_t hmacid; 4208 uint32_t i; 4209 4210 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4211 if (optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) { 4212 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4213 error = EINVAL; 4214 break; 4215 } 4216 hmaclist = sctp_alloc_hmaclist(shmac->shmac_number_of_idents); 4217 if (hmaclist == NULL) { 4218 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4219 error = ENOMEM; 4220 break; 4221 } 4222 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4223 hmacid = shmac->shmac_idents[i]; 4224 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4225 /* invalid HMACs were found */ ; 4226 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4227 error = EINVAL; 4228 sctp_free_hmaclist(hmaclist); 4229 goto sctp_set_hmac_done; 4230 } 4231 } 4232 for (i = 0; i < hmaclist->num_algo; i++) { 4233 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4234 /* already in list */ 4235 break; 4236 } 4237 } 4238 if (i == hmaclist->num_algo) { 4239 /* not found in list */ 4240 sctp_free_hmaclist(hmaclist); 4241 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4242 error = EINVAL; 4243 break; 4244 } 4245 /* set it on the endpoint */ 4246 SCTP_INP_WLOCK(inp); 4247 if (inp->sctp_ep.local_hmacs) 4248 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4249 inp->sctp_ep.local_hmacs = hmaclist; 4250 SCTP_INP_WUNLOCK(inp); 4251 sctp_set_hmac_done: 4252 break; 4253 } 4254 case SCTP_AUTH_ACTIVE_KEY: 4255 { 4256 struct sctp_authkeyid *scact; 4257 4258 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4259 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4260 4261 /* set the active key on the right place */ 4262 if (stcb) { 4263 /* set the active key on the assoc */ 4264 if (sctp_auth_setactivekey(stcb, 4265 scact->scact_keynumber)) { 4266 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4267 SCTP_FROM_SCTP_USRREQ, 4268 EINVAL); 4269 error = EINVAL; 4270 } 4271 SCTP_TCB_UNLOCK(stcb); 4272 } else { 4273 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4274 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4275 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4276 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4277 SCTP_INP_WLOCK(inp); 4278 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4279 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4280 error = EINVAL; 4281 } 4282 SCTP_INP_WUNLOCK(inp); 4283 } 4284 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4285 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4286 SCTP_INP_RLOCK(inp); 4287 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4288 SCTP_TCB_LOCK(stcb); 4289 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4290 SCTP_TCB_UNLOCK(stcb); 4291 } 4292 SCTP_INP_RUNLOCK(inp); 4293 } 4294 } 4295 break; 4296 } 4297 case SCTP_AUTH_DELETE_KEY: 4298 { 4299 struct sctp_authkeyid *scdel; 4300 4301 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4302 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4303 4304 /* delete the key from the right place */ 4305 if (stcb) { 4306 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4307 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4308 error = EINVAL; 4309 } 4310 SCTP_TCB_UNLOCK(stcb); 4311 } else { 4312 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4313 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4314 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4315 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4316 SCTP_INP_WLOCK(inp); 4317 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4318 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4319 error = EINVAL; 4320 } 4321 SCTP_INP_WUNLOCK(inp); 4322 } 4323 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4324 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4325 SCTP_INP_RLOCK(inp); 4326 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4327 SCTP_TCB_LOCK(stcb); 4328 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4329 SCTP_TCB_UNLOCK(stcb); 4330 } 4331 SCTP_INP_RUNLOCK(inp); 4332 } 4333 } 4334 break; 4335 } 4336 case SCTP_AUTH_DEACTIVATE_KEY: 4337 { 4338 struct sctp_authkeyid *keyid; 4339 4340 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4341 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4342 4343 /* deactivate the key from the right place */ 4344 if (stcb) { 4345 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4346 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4347 error = EINVAL; 4348 } 4349 SCTP_TCB_UNLOCK(stcb); 4350 } else { 4351 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4352 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4353 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4354 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4355 SCTP_INP_WLOCK(inp); 4356 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4357 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4358 error = EINVAL; 4359 } 4360 SCTP_INP_WUNLOCK(inp); 4361 } 4362 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4363 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4364 SCTP_INP_RLOCK(inp); 4365 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4366 SCTP_TCB_LOCK(stcb); 4367 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4368 SCTP_TCB_UNLOCK(stcb); 4369 } 4370 SCTP_INP_RUNLOCK(inp); 4371 } 4372 } 4373 break; 4374 } 4375 case SCTP_ENABLE_STREAM_RESET: 4376 { 4377 struct sctp_assoc_value *av; 4378 4379 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4380 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4381 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4382 error = EINVAL; 4383 break; 4384 } 4385 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4386 if (stcb) { 4387 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4388 SCTP_TCB_UNLOCK(stcb); 4389 } else { 4390 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4391 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4392 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4393 (av->assoc_id == SCTP_ALL_ASSOC)) { 4394 SCTP_INP_WLOCK(inp); 4395 inp->local_strreset_support = (uint8_t) av->assoc_value; 4396 SCTP_INP_WUNLOCK(inp); 4397 } 4398 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4399 (av->assoc_id == SCTP_ALL_ASSOC)) { 4400 SCTP_INP_RLOCK(inp); 4401 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4402 SCTP_TCB_LOCK(stcb); 4403 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4404 SCTP_TCB_UNLOCK(stcb); 4405 } 4406 SCTP_INP_RUNLOCK(inp); 4407 } 4408 } 4409 break; 4410 } 4411 case SCTP_RESET_STREAMS: 4412 { 4413 struct sctp_reset_streams *strrst; 4414 int i, send_out = 0; 4415 int send_in = 0; 4416 4417 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4418 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4419 if (stcb == NULL) { 4420 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4421 error = ENOENT; 4422 break; 4423 } 4424 if (stcb->asoc.reconfig_supported == 0) { 4425 /* 4426 * Peer does not support the chunk type. 4427 */ 4428 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4429 error = EOPNOTSUPP; 4430 SCTP_TCB_UNLOCK(stcb); 4431 break; 4432 } 4433 if (stcb->asoc.stream_reset_outstanding) { 4434 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4435 error = EALREADY; 4436 SCTP_TCB_UNLOCK(stcb); 4437 break; 4438 } 4439 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4440 send_in = 1; 4441 } 4442 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4443 send_out = 1; 4444 } 4445 if ((send_in == 0) && (send_out == 0)) { 4446 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4447 error = EINVAL; 4448 SCTP_TCB_UNLOCK(stcb); 4449 break; 4450 } 4451 for (i = 0; i < strrst->srs_number_streams; i++) { 4452 if ((send_in) && 4453 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) { 4454 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4455 error = EINVAL; 4456 break; 4457 } 4458 if ((send_out) && 4459 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) { 4460 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4461 error = EINVAL; 4462 break; 4463 } 4464 } 4465 if (error) { 4466 SCTP_TCB_UNLOCK(stcb); 4467 break; 4468 } 4469 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4470 strrst->srs_stream_list, 4471 send_out, send_in, 0, 0, 0, 0, 0); 4472 4473 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4474 SCTP_TCB_UNLOCK(stcb); 4475 break; 4476 } 4477 case SCTP_ADD_STREAMS: 4478 { 4479 struct sctp_add_streams *stradd; 4480 uint8_t addstream = 0; 4481 uint16_t add_o_strmcnt = 0; 4482 uint16_t add_i_strmcnt = 0; 4483 4484 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4485 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4486 if (stcb == NULL) { 4487 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4488 error = ENOENT; 4489 break; 4490 } 4491 if (stcb->asoc.reconfig_supported == 0) { 4492 /* 4493 * Peer does not support the chunk type. 4494 */ 4495 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4496 error = EOPNOTSUPP; 4497 SCTP_TCB_UNLOCK(stcb); 4498 break; 4499 } 4500 if (stcb->asoc.stream_reset_outstanding) { 4501 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4502 error = EALREADY; 4503 SCTP_TCB_UNLOCK(stcb); 4504 break; 4505 } 4506 if ((stradd->sas_outstrms == 0) && 4507 (stradd->sas_instrms == 0)) { 4508 error = EINVAL; 4509 goto skip_stuff; 4510 } 4511 if (stradd->sas_outstrms) { 4512 addstream = 1; 4513 /* We allocate here */ 4514 add_o_strmcnt = stradd->sas_outstrms; 4515 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4516 /* You can't have more than 64k */ 4517 error = EINVAL; 4518 goto skip_stuff; 4519 } 4520 } 4521 if (stradd->sas_instrms) { 4522 int cnt; 4523 4524 addstream |= 2; 4525 /* 4526 * We allocate inside 4527 * sctp_send_str_reset_req() 4528 */ 4529 add_i_strmcnt = stradd->sas_instrms; 4530 cnt = add_i_strmcnt; 4531 cnt += stcb->asoc.streamincnt; 4532 if (cnt > 0x0000ffff) { 4533 /* You can't have more than 64k */ 4534 error = EINVAL; 4535 goto skip_stuff; 4536 } 4537 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4538 /* More than you are allowed */ 4539 error = EINVAL; 4540 goto skip_stuff; 4541 } 4542 } 4543 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4544 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4545 skip_stuff: 4546 SCTP_TCB_UNLOCK(stcb); 4547 break; 4548 } 4549 case SCTP_RESET_ASSOC: 4550 { 4551 uint32_t *value; 4552 4553 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4554 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 4555 if (stcb == NULL) { 4556 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4557 error = ENOENT; 4558 break; 4559 } 4560 if (stcb->asoc.reconfig_supported == 0) { 4561 /* 4562 * Peer does not support the chunk type. 4563 */ 4564 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4565 error = EOPNOTSUPP; 4566 SCTP_TCB_UNLOCK(stcb); 4567 break; 4568 } 4569 if (stcb->asoc.stream_reset_outstanding) { 4570 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4571 error = EALREADY; 4572 SCTP_TCB_UNLOCK(stcb); 4573 break; 4574 } 4575 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 1, 0, 0, 0, 0); 4576 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4577 SCTP_TCB_UNLOCK(stcb); 4578 break; 4579 } 4580 case SCTP_CONNECT_X: 4581 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4582 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4583 error = EINVAL; 4584 break; 4585 } 4586 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4587 break; 4588 case SCTP_CONNECT_X_DELAYED: 4589 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4590 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4591 error = EINVAL; 4592 break; 4593 } 4594 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4595 break; 4596 case SCTP_CONNECT_X_COMPLETE: 4597 { 4598 struct sockaddr *sa; 4599 struct sctp_nets *net; 4600 4601 /* FIXME MT: check correct? */ 4602 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4603 4604 /* find tcb */ 4605 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4606 SCTP_INP_RLOCK(inp); 4607 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4608 if (stcb) { 4609 SCTP_TCB_LOCK(stcb); 4610 net = sctp_findnet(stcb, sa); 4611 } 4612 SCTP_INP_RUNLOCK(inp); 4613 } else { 4614 /* 4615 * We increment here since 4616 * sctp_findassociation_ep_addr() wil do a 4617 * decrement if it finds the stcb as long as 4618 * the locked tcb (last argument) is NOT a 4619 * TCB.. aka NULL. 4620 */ 4621 SCTP_INP_INCR_REF(inp); 4622 stcb = sctp_findassociation_ep_addr(&inp, sa, &net, NULL, NULL); 4623 if (stcb == NULL) { 4624 SCTP_INP_DECR_REF(inp); 4625 } 4626 } 4627 4628 if (stcb == NULL) { 4629 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4630 error = ENOENT; 4631 break; 4632 } 4633 if (stcb->asoc.delayed_connection == 1) { 4634 stcb->asoc.delayed_connection = 0; 4635 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4636 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4637 stcb->asoc.primary_destination, 4638 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 4639 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4640 } else { 4641 /* 4642 * already expired or did not use delayed 4643 * connectx 4644 */ 4645 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4646 error = EALREADY; 4647 } 4648 SCTP_TCB_UNLOCK(stcb); 4649 break; 4650 } 4651 case SCTP_MAX_BURST: 4652 { 4653 struct sctp_assoc_value *av; 4654 4655 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4656 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4657 4658 if (stcb) { 4659 stcb->asoc.max_burst = av->assoc_value; 4660 SCTP_TCB_UNLOCK(stcb); 4661 } else { 4662 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4663 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4664 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4665 (av->assoc_id == SCTP_ALL_ASSOC)) { 4666 SCTP_INP_WLOCK(inp); 4667 inp->sctp_ep.max_burst = av->assoc_value; 4668 SCTP_INP_WUNLOCK(inp); 4669 } 4670 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4671 (av->assoc_id == SCTP_ALL_ASSOC)) { 4672 SCTP_INP_RLOCK(inp); 4673 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4674 SCTP_TCB_LOCK(stcb); 4675 stcb->asoc.max_burst = av->assoc_value; 4676 SCTP_TCB_UNLOCK(stcb); 4677 } 4678 SCTP_INP_RUNLOCK(inp); 4679 } 4680 } 4681 break; 4682 } 4683 case SCTP_MAXSEG: 4684 { 4685 struct sctp_assoc_value *av; 4686 int ovh; 4687 4688 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4689 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4690 4691 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4692 ovh = SCTP_MED_OVERHEAD; 4693 } else { 4694 ovh = SCTP_MED_V4_OVERHEAD; 4695 } 4696 if (stcb) { 4697 if (av->assoc_value) { 4698 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4699 } else { 4700 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4701 } 4702 SCTP_TCB_UNLOCK(stcb); 4703 } else { 4704 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4705 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4706 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4707 SCTP_INP_WLOCK(inp); 4708 /* 4709 * FIXME MT: I think this is not in 4710 * tune with the API ID 4711 */ 4712 if (av->assoc_value) { 4713 inp->sctp_frag_point = (av->assoc_value + ovh); 4714 } else { 4715 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4716 } 4717 SCTP_INP_WUNLOCK(inp); 4718 } else { 4719 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4720 error = EINVAL; 4721 } 4722 } 4723 break; 4724 } 4725 case SCTP_EVENTS: 4726 { 4727 struct sctp_event_subscribe *events; 4728 4729 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 4730 4731 SCTP_INP_WLOCK(inp); 4732 if (events->sctp_data_io_event) { 4733 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4734 } else { 4735 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4736 } 4737 4738 if (events->sctp_association_event) { 4739 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4740 } else { 4741 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4742 } 4743 4744 if (events->sctp_address_event) { 4745 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4746 } else { 4747 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4748 } 4749 4750 if (events->sctp_send_failure_event) { 4751 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4752 } else { 4753 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4754 } 4755 4756 if (events->sctp_peer_error_event) { 4757 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4758 } else { 4759 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4760 } 4761 4762 if (events->sctp_shutdown_event) { 4763 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4764 } else { 4765 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4766 } 4767 4768 if (events->sctp_partial_delivery_event) { 4769 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4770 } else { 4771 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4772 } 4773 4774 if (events->sctp_adaptation_layer_event) { 4775 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4776 } else { 4777 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4778 } 4779 4780 if (events->sctp_authentication_event) { 4781 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4782 } else { 4783 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4784 } 4785 4786 if (events->sctp_sender_dry_event) { 4787 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 4788 } else { 4789 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 4790 } 4791 4792 if (events->sctp_stream_reset_event) { 4793 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4794 } else { 4795 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4796 } 4797 SCTP_INP_WUNLOCK(inp); 4798 4799 SCTP_INP_RLOCK(inp); 4800 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4801 SCTP_TCB_LOCK(stcb); 4802 if (events->sctp_association_event) { 4803 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4804 } else { 4805 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4806 } 4807 if (events->sctp_address_event) { 4808 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4809 } else { 4810 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4811 } 4812 if (events->sctp_send_failure_event) { 4813 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4814 } else { 4815 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4816 } 4817 if (events->sctp_peer_error_event) { 4818 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4819 } else { 4820 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4821 } 4822 if (events->sctp_shutdown_event) { 4823 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4824 } else { 4825 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4826 } 4827 if (events->sctp_partial_delivery_event) { 4828 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4829 } else { 4830 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4831 } 4832 if (events->sctp_adaptation_layer_event) { 4833 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4834 } else { 4835 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4836 } 4837 if (events->sctp_authentication_event) { 4838 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4839 } else { 4840 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4841 } 4842 if (events->sctp_sender_dry_event) { 4843 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4844 } else { 4845 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4846 } 4847 if (events->sctp_stream_reset_event) { 4848 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4849 } else { 4850 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4851 } 4852 SCTP_TCB_UNLOCK(stcb); 4853 } 4854 /* 4855 * Send up the sender dry event only for 1-to-1 4856 * style sockets. 4857 */ 4858 if (events->sctp_sender_dry_event) { 4859 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4860 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 4861 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4862 if (stcb) { 4863 SCTP_TCB_LOCK(stcb); 4864 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 4865 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 4866 (stcb->asoc.stream_queue_cnt == 0)) { 4867 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 4868 } 4869 SCTP_TCB_UNLOCK(stcb); 4870 } 4871 } 4872 } 4873 SCTP_INP_RUNLOCK(inp); 4874 break; 4875 } 4876 case SCTP_ADAPTATION_LAYER: 4877 { 4878 struct sctp_setadaptation *adap_bits; 4879 4880 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 4881 SCTP_INP_WLOCK(inp); 4882 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 4883 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 4884 SCTP_INP_WUNLOCK(inp); 4885 break; 4886 } 4887#ifdef SCTP_DEBUG 4888 case SCTP_SET_INITIAL_DBG_SEQ: 4889 { 4890 uint32_t *vvv; 4891 4892 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 4893 SCTP_INP_WLOCK(inp); 4894 inp->sctp_ep.initial_sequence_debug = *vvv; 4895 SCTP_INP_WUNLOCK(inp); 4896 break; 4897 } 4898#endif 4899 case SCTP_DEFAULT_SEND_PARAM: 4900 { 4901 struct sctp_sndrcvinfo *s_info; 4902 4903 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 4904 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 4905 4906 if (stcb) { 4907 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 4908 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 4909 } else { 4910 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4911 error = EINVAL; 4912 } 4913 SCTP_TCB_UNLOCK(stcb); 4914 } else { 4915 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4916 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4917 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 4918 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 4919 SCTP_INP_WLOCK(inp); 4920 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 4921 SCTP_INP_WUNLOCK(inp); 4922 } 4923 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 4924 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 4925 SCTP_INP_RLOCK(inp); 4926 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4927 SCTP_TCB_LOCK(stcb); 4928 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 4929 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 4930 } 4931 SCTP_TCB_UNLOCK(stcb); 4932 } 4933 SCTP_INP_RUNLOCK(inp); 4934 } 4935 } 4936 break; 4937 } 4938 case SCTP_PEER_ADDR_PARAMS: 4939 { 4940 struct sctp_paddrparams *paddrp; 4941 struct sctp_nets *net; 4942 4943 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 4944 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 4945 net = NULL; 4946 if (stcb) { 4947 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 4948 } else { 4949 /* 4950 * We increment here since 4951 * sctp_findassociation_ep_addr() wil do a 4952 * decrement if it finds the stcb as long as 4953 * the locked tcb (last argument) is NOT a 4954 * TCB.. aka NULL. 4955 */ 4956 SCTP_INP_INCR_REF(inp); 4957 stcb = sctp_findassociation_ep_addr(&inp, 4958 (struct sockaddr *)&paddrp->spp_address, 4959 &net, NULL, NULL); 4960 if (stcb == NULL) { 4961 SCTP_INP_DECR_REF(inp); 4962 } 4963 } 4964 if (stcb && (net == NULL)) { 4965 struct sockaddr *sa; 4966 4967 sa = (struct sockaddr *)&paddrp->spp_address; 4968#ifdef INET 4969 if (sa->sa_family == AF_INET) { 4970 4971 struct sockaddr_in *sin; 4972 4973 sin = (struct sockaddr_in *)sa; 4974 if (sin->sin_addr.s_addr) { 4975 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4976 SCTP_TCB_UNLOCK(stcb); 4977 error = EINVAL; 4978 break; 4979 } 4980 } else 4981#endif 4982#ifdef INET6 4983 if (sa->sa_family == AF_INET6) { 4984 struct sockaddr_in6 *sin6; 4985 4986 sin6 = (struct sockaddr_in6 *)sa; 4987 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 4988 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4989 SCTP_TCB_UNLOCK(stcb); 4990 error = EINVAL; 4991 break; 4992 } 4993 } else 4994#endif 4995 { 4996 error = EAFNOSUPPORT; 4997 SCTP_TCB_UNLOCK(stcb); 4998 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4999 break; 5000 } 5001 } 5002 /* sanity checks */ 5003 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5004 if (stcb) 5005 SCTP_TCB_UNLOCK(stcb); 5006 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5007 return (EINVAL); 5008 } 5009 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5010 if (stcb) 5011 SCTP_TCB_UNLOCK(stcb); 5012 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5013 return (EINVAL); 5014 } 5015 if (stcb) { 5016 /************************TCB SPECIFIC SET ******************/ 5017 /* 5018 * do we change the timer for HB, we run 5019 * only one? 5020 */ 5021 int ovh = 0; 5022 5023 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5024 ovh = SCTP_MED_OVERHEAD; 5025 } else { 5026 ovh = SCTP_MED_V4_OVERHEAD; 5027 } 5028 5029 /* network sets ? */ 5030 if (net) { 5031 /************************NET SPECIFIC SET ******************/ 5032 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5033 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5034 !(net->dest_state & SCTP_ADDR_NOHB)) { 5035 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5036 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5037 } 5038 net->dest_state |= SCTP_ADDR_NOHB; 5039 } 5040 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5041 if (paddrp->spp_hbinterval) { 5042 net->heart_beat_delay = paddrp->spp_hbinterval; 5043 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5044 net->heart_beat_delay = 0; 5045 } 5046 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5047 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5048 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5049 net->dest_state &= ~SCTP_ADDR_NOHB; 5050 } 5051 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5052 /* on demand HB */ 5053 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5054 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5055 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5056 } 5057 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5058 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5059 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5060 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5061 } 5062 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5063 net->mtu = paddrp->spp_pathmtu + ovh; 5064 if (net->mtu < stcb->asoc.smallest_mtu) { 5065 sctp_pathmtu_adjustment(stcb, net->mtu); 5066 } 5067 } 5068 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5069 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5070 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5071 } 5072 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5073 } 5074 if (paddrp->spp_pathmaxrxt) { 5075 if (net->dest_state & SCTP_ADDR_PF) { 5076 if (net->error_count > paddrp->spp_pathmaxrxt) { 5077 net->dest_state &= ~SCTP_ADDR_PF; 5078 } 5079 } else { 5080 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5081 (net->error_count > net->pf_threshold)) { 5082 net->dest_state |= SCTP_ADDR_PF; 5083 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5084 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5085 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5086 } 5087 } 5088 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5089 if (net->error_count > paddrp->spp_pathmaxrxt) { 5090 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5091 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5092 } 5093 } else { 5094 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5095 net->dest_state |= SCTP_ADDR_REACHABLE; 5096 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5097 } 5098 } 5099 net->failure_threshold = paddrp->spp_pathmaxrxt; 5100 } 5101 if (paddrp->spp_flags & SPP_DSCP) { 5102 net->dscp = paddrp->spp_dscp & 0xfc; 5103 net->dscp |= 0x01; 5104 } 5105#ifdef INET6 5106 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5107 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5108 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5109 net->flowlabel |= 0x80000000; 5110 } 5111 } 5112#endif 5113 } else { 5114 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5115 if (paddrp->spp_pathmaxrxt) { 5116 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5117 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5118 if (net->dest_state & SCTP_ADDR_PF) { 5119 if (net->error_count > paddrp->spp_pathmaxrxt) { 5120 net->dest_state &= ~SCTP_ADDR_PF; 5121 } 5122 } else { 5123 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5124 (net->error_count > net->pf_threshold)) { 5125 net->dest_state |= SCTP_ADDR_PF; 5126 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5127 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5128 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5129 } 5130 } 5131 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5132 if (net->error_count > paddrp->spp_pathmaxrxt) { 5133 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5134 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5135 } 5136 } else { 5137 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5138 net->dest_state |= SCTP_ADDR_REACHABLE; 5139 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5140 } 5141 } 5142 net->failure_threshold = paddrp->spp_pathmaxrxt; 5143 } 5144 } 5145 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5146 if (paddrp->spp_hbinterval) { 5147 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5148 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5149 stcb->asoc.heart_beat_delay = 0; 5150 } 5151 /* Turn back on the timer */ 5152 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5153 if (paddrp->spp_hbinterval) { 5154 net->heart_beat_delay = paddrp->spp_hbinterval; 5155 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5156 net->heart_beat_delay = 0; 5157 } 5158 if (net->dest_state & SCTP_ADDR_NOHB) { 5159 net->dest_state &= ~SCTP_ADDR_NOHB; 5160 } 5161 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5162 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5163 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5164 } 5165 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5166 } 5167 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5168 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5169 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5170 net->dest_state |= SCTP_ADDR_NOHB; 5171 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5172 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5173 } 5174 } 5175 } 5176 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5177 } 5178 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5179 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5180 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5181 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5182 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5183 } 5184 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5185 net->mtu = paddrp->spp_pathmtu + ovh; 5186 if (net->mtu < stcb->asoc.smallest_mtu) { 5187 sctp_pathmtu_adjustment(stcb, net->mtu); 5188 } 5189 } 5190 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5191 } 5192 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5193 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5194 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5195 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5196 } 5197 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5198 } 5199 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5200 } 5201 if (paddrp->spp_flags & SPP_DSCP) { 5202 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5203 net->dscp = paddrp->spp_dscp & 0xfc; 5204 net->dscp |= 0x01; 5205 } 5206 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5207 stcb->asoc.default_dscp |= 0x01; 5208 } 5209#ifdef INET6 5210 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5211 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5212 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5213 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5214 net->flowlabel |= 0x80000000; 5215 } 5216 } 5217 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5218 stcb->asoc.default_flowlabel |= 0x80000000; 5219 } 5220#endif 5221 } 5222 SCTP_TCB_UNLOCK(stcb); 5223 } else { 5224 /************************NO TCB, SET TO default stuff ******************/ 5225 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5226 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5227 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 5228 SCTP_INP_WLOCK(inp); 5229 /* 5230 * For the TOS/FLOWLABEL stuff you 5231 * set it with the options on the 5232 * socket 5233 */ 5234 if (paddrp->spp_pathmaxrxt) { 5235 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5236 } 5237 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5238 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5239 else if (paddrp->spp_hbinterval) { 5240 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5241 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5242 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5243 } 5244 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5245 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5246 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5247 } else if (paddrp->spp_hbinterval) { 5248 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5249 } 5250 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5251 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5252 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5253 } 5254 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5255 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5256 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5257 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5258 } 5259 if (paddrp->spp_flags & SPP_DSCP) { 5260 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5261 inp->sctp_ep.default_dscp |= 0x01; 5262 } 5263#ifdef INET6 5264 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5265 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5266 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5267 inp->sctp_ep.default_flowlabel |= 0x80000000; 5268 } 5269 } 5270#endif 5271 SCTP_INP_WUNLOCK(inp); 5272 } else { 5273 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5274 error = EINVAL; 5275 } 5276 } 5277 break; 5278 } 5279 case SCTP_RTOINFO: 5280 { 5281 struct sctp_rtoinfo *srto; 5282 uint32_t new_init, new_min, new_max; 5283 5284 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5285 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5286 5287 if (stcb) { 5288 if (srto->srto_initial) 5289 new_init = srto->srto_initial; 5290 else 5291 new_init = stcb->asoc.initial_rto; 5292 if (srto->srto_max) 5293 new_max = srto->srto_max; 5294 else 5295 new_max = stcb->asoc.maxrto; 5296 if (srto->srto_min) 5297 new_min = srto->srto_min; 5298 else 5299 new_min = stcb->asoc.minrto; 5300 if ((new_min <= new_init) && (new_init <= new_max)) { 5301 stcb->asoc.initial_rto = new_init; 5302 stcb->asoc.maxrto = new_max; 5303 stcb->asoc.minrto = new_min; 5304 } else { 5305 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5306 error = EINVAL; 5307 } 5308 SCTP_TCB_UNLOCK(stcb); 5309 } else { 5310 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5311 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5312 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5313 SCTP_INP_WLOCK(inp); 5314 if (srto->srto_initial) 5315 new_init = srto->srto_initial; 5316 else 5317 new_init = inp->sctp_ep.initial_rto; 5318 if (srto->srto_max) 5319 new_max = srto->srto_max; 5320 else 5321 new_max = inp->sctp_ep.sctp_maxrto; 5322 if (srto->srto_min) 5323 new_min = srto->srto_min; 5324 else 5325 new_min = inp->sctp_ep.sctp_minrto; 5326 if ((new_min <= new_init) && (new_init <= new_max)) { 5327 inp->sctp_ep.initial_rto = new_init; 5328 inp->sctp_ep.sctp_maxrto = new_max; 5329 inp->sctp_ep.sctp_minrto = new_min; 5330 } else { 5331 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5332 error = EINVAL; 5333 } 5334 SCTP_INP_WUNLOCK(inp); 5335 } else { 5336 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5337 error = EINVAL; 5338 } 5339 } 5340 break; 5341 } 5342 case SCTP_ASSOCINFO: 5343 { 5344 struct sctp_assocparams *sasoc; 5345 5346 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5347 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5348 if (sasoc->sasoc_cookie_life) { 5349 /* boundary check the cookie life */ 5350 if (sasoc->sasoc_cookie_life < 1000) 5351 sasoc->sasoc_cookie_life = 1000; 5352 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5353 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5354 } 5355 } 5356 if (stcb) { 5357 if (sasoc->sasoc_asocmaxrxt) 5358 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5359 if (sasoc->sasoc_cookie_life) { 5360 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5361 } 5362 SCTP_TCB_UNLOCK(stcb); 5363 } else { 5364 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5365 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5366 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5367 SCTP_INP_WLOCK(inp); 5368 if (sasoc->sasoc_asocmaxrxt) 5369 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5370 if (sasoc->sasoc_cookie_life) { 5371 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5372 } 5373 SCTP_INP_WUNLOCK(inp); 5374 } else { 5375 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5376 error = EINVAL; 5377 } 5378 } 5379 break; 5380 } 5381 case SCTP_INITMSG: 5382 { 5383 struct sctp_initmsg *sinit; 5384 5385 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5386 SCTP_INP_WLOCK(inp); 5387 if (sinit->sinit_num_ostreams) 5388 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5389 5390 if (sinit->sinit_max_instreams) 5391 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5392 5393 if (sinit->sinit_max_attempts) 5394 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5395 5396 if (sinit->sinit_max_init_timeo) 5397 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5398 SCTP_INP_WUNLOCK(inp); 5399 break; 5400 } 5401 case SCTP_PRIMARY_ADDR: 5402 { 5403 struct sctp_setprim *spa; 5404 struct sctp_nets *net; 5405 5406 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5407 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5408 5409 net = NULL; 5410 if (stcb) { 5411 net = sctp_findnet(stcb, (struct sockaddr *)&spa->ssp_addr); 5412 } else { 5413 /* 5414 * We increment here since 5415 * sctp_findassociation_ep_addr() wil do a 5416 * decrement if it finds the stcb as long as 5417 * the locked tcb (last argument) is NOT a 5418 * TCB.. aka NULL. 5419 */ 5420 SCTP_INP_INCR_REF(inp); 5421 stcb = sctp_findassociation_ep_addr(&inp, 5422 (struct sockaddr *)&spa->ssp_addr, 5423 &net, NULL, NULL); 5424 if (stcb == NULL) { 5425 SCTP_INP_DECR_REF(inp); 5426 } 5427 } 5428 5429 if ((stcb) && (net)) { 5430 if ((net != stcb->asoc.primary_destination) && 5431 (!(net->dest_state & SCTP_ADDR_UNCONFIRMED))) { 5432 /* Ok we need to set it */ 5433 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5434 if ((stcb->asoc.alternate) && 5435 (!(net->dest_state & SCTP_ADDR_PF)) && 5436 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5437 sctp_free_remote_addr(stcb->asoc.alternate); 5438 stcb->asoc.alternate = NULL; 5439 } 5440 } 5441 } 5442 } else { 5443 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5444 error = EINVAL; 5445 } 5446 if (stcb) { 5447 SCTP_TCB_UNLOCK(stcb); 5448 } 5449 break; 5450 } 5451 case SCTP_SET_DYNAMIC_PRIMARY: 5452 { 5453 union sctp_sockstore *ss; 5454 5455 error = priv_check(curthread, 5456 PRIV_NETINET_RESERVEDPORT); 5457 if (error) 5458 break; 5459 5460 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5461 /* SUPER USER CHECK? */ 5462 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5463 break; 5464 } 5465 case SCTP_SET_PEER_PRIMARY_ADDR: 5466 { 5467 struct sctp_setpeerprim *sspp; 5468 5469 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5470 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5471 if (stcb != NULL) { 5472 struct sctp_ifa *ifa; 5473 5474 ifa = sctp_find_ifa_by_addr((struct sockaddr *)&sspp->sspp_addr, 5475 stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5476 if (ifa == NULL) { 5477 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5478 error = EINVAL; 5479 goto out_of_it; 5480 } 5481 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5482 /* 5483 * Must validate the ifa found is in 5484 * our ep 5485 */ 5486 struct sctp_laddr *laddr; 5487 int found = 0; 5488 5489 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5490 if (laddr->ifa == NULL) { 5491 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5492 __FUNCTION__); 5493 continue; 5494 } 5495 if (laddr->ifa == ifa) { 5496 found = 1; 5497 break; 5498 } 5499 } 5500 if (!found) { 5501 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5502 error = EINVAL; 5503 goto out_of_it; 5504 } 5505 } else { 5506 switch (sspp->sspp_addr.ss_family) { 5507#ifdef INET 5508 case AF_INET: 5509 { 5510 struct sockaddr_in *sin; 5511 5512 sin = (struct sockaddr_in *)&sspp->sspp_addr; 5513 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5514 &sin->sin_addr) != 0) { 5515 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5516 error = EINVAL; 5517 goto out_of_it; 5518 } 5519 break; 5520 } 5521#endif 5522#ifdef INET6 5523 case AF_INET6: 5524 { 5525 struct sockaddr_in6 *sin6; 5526 5527 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5528 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5529 &sin6->sin6_addr) != 0) { 5530 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5531 error = EINVAL; 5532 goto out_of_it; 5533 } 5534 break; 5535 } 5536#endif 5537 default: 5538 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5539 error = EINVAL; 5540 goto out_of_it; 5541 } 5542 } 5543 if (sctp_set_primary_ip_address_sa(stcb, 5544 (struct sockaddr *)&sspp->sspp_addr) != 0) { 5545 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5546 error = EINVAL; 5547 } 5548 out_of_it: 5549 SCTP_TCB_UNLOCK(stcb); 5550 } else { 5551 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5552 error = EINVAL; 5553 } 5554 break; 5555 } 5556 case SCTP_BINDX_ADD_ADDR: 5557 { 5558 struct sctp_getaddresses *addrs; 5559 struct thread *td; 5560 5561 td = (struct thread *)p; 5562 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5563 optsize); 5564#ifdef INET 5565 if (addrs->addr->sa_family == AF_INET) { 5566 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5567 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5568 error = EINVAL; 5569 break; 5570 } 5571 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5572 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5573 break; 5574 } 5575 } else 5576#endif 5577#ifdef INET6 5578 if (addrs->addr->sa_family == AF_INET6) { 5579 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5580 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5581 error = EINVAL; 5582 break; 5583 } 5584 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5585 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5586 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5587 break; 5588 } 5589 } else 5590#endif 5591 { 5592 error = EAFNOSUPPORT; 5593 break; 5594 } 5595 sctp_bindx_add_address(so, inp, addrs->addr, 5596 addrs->sget_assoc_id, vrf_id, 5597 &error, p); 5598 break; 5599 } 5600 case SCTP_BINDX_REM_ADDR: 5601 { 5602 struct sctp_getaddresses *addrs; 5603 struct thread *td; 5604 5605 td = (struct thread *)p; 5606 5607 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5608#ifdef INET 5609 if (addrs->addr->sa_family == AF_INET) { 5610 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5611 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5612 error = EINVAL; 5613 break; 5614 } 5615 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5616 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5617 break; 5618 } 5619 } else 5620#endif 5621#ifdef INET6 5622 if (addrs->addr->sa_family == AF_INET6) { 5623 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5624 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5625 error = EINVAL; 5626 break; 5627 } 5628 if (td != NULL && 5629 (error = prison_local_ip6(td->td_ucred, 5630 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5631 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5632 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5633 break; 5634 } 5635 } else 5636#endif 5637 { 5638 error = EAFNOSUPPORT; 5639 break; 5640 } 5641 sctp_bindx_delete_address(inp, addrs->addr, 5642 addrs->sget_assoc_id, vrf_id, 5643 &error); 5644 break; 5645 } 5646 case SCTP_EVENT: 5647 { 5648 struct sctp_event *event; 5649 uint32_t event_type; 5650 5651 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 5652 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 5653 switch (event->se_type) { 5654 case SCTP_ASSOC_CHANGE: 5655 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 5656 break; 5657 case SCTP_PEER_ADDR_CHANGE: 5658 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 5659 break; 5660 case SCTP_REMOTE_ERROR: 5661 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 5662 break; 5663 case SCTP_SEND_FAILED: 5664 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 5665 break; 5666 case SCTP_SHUTDOWN_EVENT: 5667 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 5668 break; 5669 case SCTP_ADAPTATION_INDICATION: 5670 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 5671 break; 5672 case SCTP_PARTIAL_DELIVERY_EVENT: 5673 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 5674 break; 5675 case SCTP_AUTHENTICATION_EVENT: 5676 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 5677 break; 5678 case SCTP_STREAM_RESET_EVENT: 5679 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 5680 break; 5681 case SCTP_SENDER_DRY_EVENT: 5682 event_type = SCTP_PCB_FLAGS_DRYEVNT; 5683 break; 5684 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 5685 event_type = 0; 5686 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5687 error = ENOTSUP; 5688 break; 5689 case SCTP_ASSOC_RESET_EVENT: 5690 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 5691 break; 5692 case SCTP_STREAM_CHANGE_EVENT: 5693 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 5694 break; 5695 case SCTP_SEND_FAILED_EVENT: 5696 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 5697 break; 5698 default: 5699 event_type = 0; 5700 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5701 error = EINVAL; 5702 break; 5703 } 5704 if (event_type > 0) { 5705 if (stcb) { 5706 if (event->se_on) { 5707 sctp_stcb_feature_on(inp, stcb, event_type); 5708 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 5709 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5710 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5711 (stcb->asoc.stream_queue_cnt == 0)) { 5712 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5713 } 5714 } 5715 } else { 5716 sctp_stcb_feature_off(inp, stcb, event_type); 5717 } 5718 SCTP_TCB_UNLOCK(stcb); 5719 } else { 5720 /* 5721 * We don't want to send up a storm 5722 * of events, so return an error for 5723 * sender dry events 5724 */ 5725 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 5726 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 5727 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 5728 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 5729 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 5730 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5731 error = ENOTSUP; 5732 break; 5733 } 5734 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5735 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5736 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 5737 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5738 SCTP_INP_WLOCK(inp); 5739 if (event->se_on) { 5740 sctp_feature_on(inp, event_type); 5741 } else { 5742 sctp_feature_off(inp, event_type); 5743 } 5744 SCTP_INP_WUNLOCK(inp); 5745 } 5746 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 5747 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5748 SCTP_INP_RLOCK(inp); 5749 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5750 SCTP_TCB_LOCK(stcb); 5751 if (event->se_on) { 5752 sctp_stcb_feature_on(inp, stcb, event_type); 5753 } else { 5754 sctp_stcb_feature_off(inp, stcb, event_type); 5755 } 5756 SCTP_TCB_UNLOCK(stcb); 5757 } 5758 SCTP_INP_RUNLOCK(inp); 5759 } 5760 } 5761 } 5762 break; 5763 } 5764 case SCTP_RECVRCVINFO: 5765 { 5766 int *onoff; 5767 5768 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5769 SCTP_INP_WLOCK(inp); 5770 if (*onoff != 0) { 5771 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5772 } else { 5773 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5774 } 5775 SCTP_INP_WUNLOCK(inp); 5776 break; 5777 } 5778 case SCTP_RECVNXTINFO: 5779 { 5780 int *onoff; 5781 5782 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5783 SCTP_INP_WLOCK(inp); 5784 if (*onoff != 0) { 5785 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5786 } else { 5787 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5788 } 5789 SCTP_INP_WUNLOCK(inp); 5790 break; 5791 } 5792 case SCTP_DEFAULT_SNDINFO: 5793 { 5794 struct sctp_sndinfo *info; 5795 uint16_t policy; 5796 5797 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 5798 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 5799 5800 if (stcb) { 5801 if (info->snd_sid < stcb->asoc.streamoutcnt) { 5802 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 5803 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 5804 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 5805 stcb->asoc.def_send.sinfo_flags |= policy; 5806 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 5807 stcb->asoc.def_send.sinfo_context = info->snd_context; 5808 } else { 5809 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5810 error = EINVAL; 5811 } 5812 SCTP_TCB_UNLOCK(stcb); 5813 } else { 5814 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5815 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5816 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 5817 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 5818 SCTP_INP_WLOCK(inp); 5819 inp->def_send.sinfo_stream = info->snd_sid; 5820 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 5821 inp->def_send.sinfo_flags = info->snd_flags; 5822 inp->def_send.sinfo_flags |= policy; 5823 inp->def_send.sinfo_ppid = info->snd_ppid; 5824 inp->def_send.sinfo_context = info->snd_context; 5825 SCTP_INP_WUNLOCK(inp); 5826 } 5827 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 5828 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 5829 SCTP_INP_RLOCK(inp); 5830 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5831 SCTP_TCB_LOCK(stcb); 5832 if (info->snd_sid < stcb->asoc.streamoutcnt) { 5833 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 5834 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 5835 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 5836 stcb->asoc.def_send.sinfo_flags |= policy; 5837 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 5838 stcb->asoc.def_send.sinfo_context = info->snd_context; 5839 } 5840 SCTP_TCB_UNLOCK(stcb); 5841 } 5842 SCTP_INP_RUNLOCK(inp); 5843 } 5844 } 5845 break; 5846 } 5847 case SCTP_DEFAULT_PRINFO: 5848 { 5849 struct sctp_default_prinfo *info; 5850 5851 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 5852 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 5853 5854 if (PR_SCTP_INVALID_POLICY(info->pr_policy)) { 5855 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5856 error = EINVAL; 5857 break; 5858 } 5859 if (stcb) { 5860 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 5861 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 5862 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 5863 SCTP_TCB_UNLOCK(stcb); 5864 } else { 5865 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5866 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5867 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 5868 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 5869 SCTP_INP_WLOCK(inp); 5870 inp->def_send.sinfo_flags &= 0xfff0; 5871 inp->def_send.sinfo_flags |= info->pr_policy; 5872 inp->def_send.sinfo_timetolive = info->pr_value; 5873 SCTP_INP_WUNLOCK(inp); 5874 } 5875 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 5876 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 5877 SCTP_INP_RLOCK(inp); 5878 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5879 SCTP_TCB_LOCK(stcb); 5880 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 5881 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 5882 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 5883 SCTP_TCB_UNLOCK(stcb); 5884 } 5885 SCTP_INP_RUNLOCK(inp); 5886 } 5887 } 5888 break; 5889 } 5890 case SCTP_PEER_ADDR_THLDS: 5891 /* Applies to the specific association */ 5892 { 5893 struct sctp_paddrthlds *thlds; 5894 struct sctp_nets *net; 5895 5896 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 5897 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 5898 net = NULL; 5899 if (stcb) { 5900 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_address); 5901 } else { 5902 /* 5903 * We increment here since 5904 * sctp_findassociation_ep_addr() wil do a 5905 * decrement if it finds the stcb as long as 5906 * the locked tcb (last argument) is NOT a 5907 * TCB.. aka NULL. 5908 */ 5909 SCTP_INP_INCR_REF(inp); 5910 stcb = sctp_findassociation_ep_addr(&inp, 5911 (struct sockaddr *)&thlds->spt_address, 5912 &net, NULL, NULL); 5913 if (stcb == NULL) { 5914 SCTP_INP_DECR_REF(inp); 5915 } 5916 } 5917 if (stcb && (net == NULL)) { 5918 struct sockaddr *sa; 5919 5920 sa = (struct sockaddr *)&thlds->spt_address; 5921#ifdef INET 5922 if (sa->sa_family == AF_INET) { 5923 5924 struct sockaddr_in *sin; 5925 5926 sin = (struct sockaddr_in *)sa; 5927 if (sin->sin_addr.s_addr) { 5928 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5929 SCTP_TCB_UNLOCK(stcb); 5930 error = EINVAL; 5931 break; 5932 } 5933 } else 5934#endif 5935#ifdef INET6 5936 if (sa->sa_family == AF_INET6) { 5937 struct sockaddr_in6 *sin6; 5938 5939 sin6 = (struct sockaddr_in6 *)sa; 5940 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5941 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5942 SCTP_TCB_UNLOCK(stcb); 5943 error = EINVAL; 5944 break; 5945 } 5946 } else 5947#endif 5948 { 5949 error = EAFNOSUPPORT; 5950 SCTP_TCB_UNLOCK(stcb); 5951 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5952 break; 5953 } 5954 } 5955 if (stcb) { 5956 if (net) { 5957 if (net->dest_state & SCTP_ADDR_PF) { 5958 if ((net->failure_threshold > thlds->spt_pathmaxrxt) || 5959 (net->failure_threshold <= thlds->spt_pathpfthld)) { 5960 net->dest_state &= ~SCTP_ADDR_PF; 5961 } 5962 } else { 5963 if ((net->failure_threshold > thlds->spt_pathpfthld) && 5964 (net->failure_threshold <= thlds->spt_pathmaxrxt)) { 5965 net->dest_state |= SCTP_ADDR_PF; 5966 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5967 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5968 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5969 } 5970 } 5971 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5972 if (net->failure_threshold > thlds->spt_pathmaxrxt) { 5973 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5974 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5975 } 5976 } else { 5977 if (net->failure_threshold <= thlds->spt_pathmaxrxt) { 5978 net->dest_state |= SCTP_ADDR_REACHABLE; 5979 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5980 } 5981 } 5982 net->failure_threshold = thlds->spt_pathmaxrxt; 5983 net->pf_threshold = thlds->spt_pathpfthld; 5984 } else { 5985 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5986 if (net->dest_state & SCTP_ADDR_PF) { 5987 if ((net->failure_threshold > thlds->spt_pathmaxrxt) || 5988 (net->failure_threshold <= thlds->spt_pathpfthld)) { 5989 net->dest_state &= ~SCTP_ADDR_PF; 5990 } 5991 } else { 5992 if ((net->failure_threshold > thlds->spt_pathpfthld) && 5993 (net->failure_threshold <= thlds->spt_pathmaxrxt)) { 5994 net->dest_state |= SCTP_ADDR_PF; 5995 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5996 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5997 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5998 } 5999 } 6000 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6001 if (net->failure_threshold > thlds->spt_pathmaxrxt) { 6002 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6003 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6004 } 6005 } else { 6006 if (net->failure_threshold <= thlds->spt_pathmaxrxt) { 6007 net->dest_state |= SCTP_ADDR_REACHABLE; 6008 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6009 } 6010 } 6011 net->failure_threshold = thlds->spt_pathmaxrxt; 6012 net->pf_threshold = thlds->spt_pathpfthld; 6013 } 6014 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6015 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6016 } 6017 } else { 6018 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6019 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6020 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 6021 SCTP_INP_WLOCK(inp); 6022 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6023 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6024 SCTP_INP_WUNLOCK(inp); 6025 } else { 6026 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6027 error = EINVAL; 6028 } 6029 } 6030 break; 6031 } 6032 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6033 { 6034 struct sctp_udpencaps *encaps; 6035 struct sctp_nets *net; 6036 6037 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6038 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6039 if (stcb) { 6040 net = sctp_findnet(stcb, (struct sockaddr *)&encaps->sue_address); 6041 } else { 6042 /* 6043 * We increment here since 6044 * sctp_findassociation_ep_addr() wil do a 6045 * decrement if it finds the stcb as long as 6046 * the locked tcb (last argument) is NOT a 6047 * TCB.. aka NULL. 6048 */ 6049 net = NULL; 6050 SCTP_INP_INCR_REF(inp); 6051 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&encaps->sue_address, &net, NULL, NULL); 6052 if (stcb == NULL) { 6053 SCTP_INP_DECR_REF(inp); 6054 } 6055 } 6056 if (stcb && (net == NULL)) { 6057 struct sockaddr *sa; 6058 6059 sa = (struct sockaddr *)&encaps->sue_address; 6060#ifdef INET 6061 if (sa->sa_family == AF_INET) { 6062 6063 struct sockaddr_in *sin; 6064 6065 sin = (struct sockaddr_in *)sa; 6066 if (sin->sin_addr.s_addr) { 6067 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6068 SCTP_TCB_UNLOCK(stcb); 6069 error = EINVAL; 6070 break; 6071 } 6072 } else 6073#endif 6074#ifdef INET6 6075 if (sa->sa_family == AF_INET6) { 6076 struct sockaddr_in6 *sin6; 6077 6078 sin6 = (struct sockaddr_in6 *)sa; 6079 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6080 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6081 SCTP_TCB_UNLOCK(stcb); 6082 error = EINVAL; 6083 break; 6084 } 6085 } else 6086#endif 6087 { 6088 error = EAFNOSUPPORT; 6089 SCTP_TCB_UNLOCK(stcb); 6090 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6091 break; 6092 } 6093 } 6094 if (stcb) { 6095 if (net) { 6096 net->port = encaps->sue_port; 6097 } else { 6098 stcb->asoc.port = encaps->sue_port; 6099 } 6100 SCTP_TCB_UNLOCK(stcb); 6101 } else { 6102 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6103 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6104 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 6105 SCTP_INP_WLOCK(inp); 6106 inp->sctp_ep.port = encaps->sue_port; 6107 SCTP_INP_WUNLOCK(inp); 6108 } else { 6109 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6110 error = EINVAL; 6111 } 6112 } 6113 break; 6114 } 6115 case SCTP_ECN_SUPPORTED: 6116 { 6117 struct sctp_assoc_value *av; 6118 6119 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6120 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6121 6122 if (stcb) { 6123 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6124 error = EINVAL; 6125 SCTP_TCB_UNLOCK(stcb); 6126 } else { 6127 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6128 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6129 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6130 SCTP_INP_WLOCK(inp); 6131 if (av->assoc_value == 0) { 6132 inp->ecn_supported = 0; 6133 } else { 6134 inp->ecn_supported = 1; 6135 } 6136 SCTP_INP_WUNLOCK(inp); 6137 } else { 6138 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6139 error = EINVAL; 6140 } 6141 } 6142 break; 6143 } 6144 case SCTP_PR_SUPPORTED: 6145 { 6146 struct sctp_assoc_value *av; 6147 6148 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6149 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6150 6151 if (stcb) { 6152 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6153 error = EINVAL; 6154 SCTP_TCB_UNLOCK(stcb); 6155 } else { 6156 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6157 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6158 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6159 SCTP_INP_WLOCK(inp); 6160 if (av->assoc_value == 0) { 6161 inp->prsctp_supported = 0; 6162 } else { 6163 inp->prsctp_supported = 1; 6164 } 6165 SCTP_INP_WUNLOCK(inp); 6166 } else { 6167 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6168 error = EINVAL; 6169 } 6170 } 6171 break; 6172 } 6173 case SCTP_AUTH_SUPPORTED: 6174 { 6175 struct sctp_assoc_value *av; 6176 6177 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6178 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6179 6180 if (stcb) { 6181 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6182 error = EINVAL; 6183 SCTP_TCB_UNLOCK(stcb); 6184 } else { 6185 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6186 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6187 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6188 if ((av->assoc_value == 0) && 6189 (inp->asconf_supported == 1)) { 6190 /* 6191 * AUTH is required for 6192 * ASCONF 6193 */ 6194 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6195 error = EINVAL; 6196 } else { 6197 SCTP_INP_WLOCK(inp); 6198 if (av->assoc_value == 0) { 6199 inp->auth_supported = 0; 6200 } else { 6201 inp->auth_supported = 1; 6202 } 6203 SCTP_INP_WUNLOCK(inp); 6204 } 6205 } else { 6206 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6207 error = EINVAL; 6208 } 6209 } 6210 break; 6211 } 6212 case SCTP_ASCONF_SUPPORTED: 6213 { 6214 struct sctp_assoc_value *av; 6215 6216 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6217 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6218 6219 if (stcb) { 6220 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6221 error = EINVAL; 6222 SCTP_TCB_UNLOCK(stcb); 6223 } else { 6224 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6225 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6226 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6227 if ((av->assoc_value != 0) && 6228 (inp->auth_supported == 0)) { 6229 /* 6230 * AUTH is required for 6231 * ASCONF 6232 */ 6233 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6234 error = EINVAL; 6235 } else { 6236 SCTP_INP_WLOCK(inp); 6237 if (av->assoc_value == 0) { 6238 inp->asconf_supported = 0; 6239 sctp_auth_delete_chunk(SCTP_ASCONF, 6240 inp->sctp_ep.local_auth_chunks); 6241 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6242 inp->sctp_ep.local_auth_chunks); 6243 } else { 6244 inp->asconf_supported = 1; 6245 sctp_auth_add_chunk(SCTP_ASCONF, 6246 inp->sctp_ep.local_auth_chunks); 6247 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6248 inp->sctp_ep.local_auth_chunks); 6249 } 6250 SCTP_INP_WUNLOCK(inp); 6251 } 6252 } else { 6253 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6254 error = EINVAL; 6255 } 6256 } 6257 break; 6258 } 6259 case SCTP_RECONFIG_SUPPORTED: 6260 { 6261 struct sctp_assoc_value *av; 6262 6263 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6264 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6265 6266 if (stcb) { 6267 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6268 error = EINVAL; 6269 SCTP_TCB_UNLOCK(stcb); 6270 } else { 6271 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6272 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6273 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6274 SCTP_INP_WLOCK(inp); 6275 if (av->assoc_value == 0) { 6276 inp->reconfig_supported = 0; 6277 } else { 6278 inp->reconfig_supported = 1; 6279 } 6280 SCTP_INP_WUNLOCK(inp); 6281 } else { 6282 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6283 error = EINVAL; 6284 } 6285 } 6286 break; 6287 } 6288 case SCTP_NRSACK_SUPPORTED: 6289 { 6290 struct sctp_assoc_value *av; 6291 6292 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6293 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6294 6295 if (stcb) { 6296 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6297 error = EINVAL; 6298 SCTP_TCB_UNLOCK(stcb); 6299 } else { 6300 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6301 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6302 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6303 SCTP_INP_WLOCK(inp); 6304 if (av->assoc_value == 0) { 6305 inp->nrsack_supported = 0; 6306 } else { 6307 inp->nrsack_supported = 1; 6308 } 6309 SCTP_INP_WUNLOCK(inp); 6310 } else { 6311 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6312 error = EINVAL; 6313 } 6314 } 6315 break; 6316 } 6317 case SCTP_PKTDROP_SUPPORTED: 6318 { 6319 struct sctp_assoc_value *av; 6320 6321 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6322 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6323 6324 if (stcb) { 6325 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6326 error = EINVAL; 6327 SCTP_TCB_UNLOCK(stcb); 6328 } else { 6329 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6330 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6331 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6332 SCTP_INP_WLOCK(inp); 6333 if (av->assoc_value == 0) { 6334 inp->pktdrop_supported = 0; 6335 } else { 6336 inp->pktdrop_supported = 1; 6337 } 6338 SCTP_INP_WUNLOCK(inp); 6339 } else { 6340 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6341 error = EINVAL; 6342 } 6343 } 6344 break; 6345 } 6346 default: 6347 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6348 error = ENOPROTOOPT; 6349 break; 6350 } /* end switch (opt) */ 6351 return (error); 6352} 6353 6354int 6355sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6356{ 6357 void *optval = NULL; 6358 size_t optsize = 0; 6359 void *p; 6360 int error = 0; 6361 6362 if (sopt->sopt_level != IPPROTO_SCTP) { 6363 /* wrong proto level... send back up to IP */ 6364#ifdef INET6 6365 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6366 error = ip6_ctloutput(so, sopt); 6367#endif /* INET6 */ 6368#if defined(INET) && defined(INET6) 6369 else 6370#endif 6371#ifdef INET 6372 error = ip_ctloutput(so, sopt); 6373#endif 6374 return (error); 6375 } 6376 optsize = sopt->sopt_valsize; 6377 if (optsize) { 6378 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6379 if (optval == NULL) { 6380 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6381 return (ENOBUFS); 6382 } 6383 error = sooptcopyin(sopt, optval, optsize, optsize); 6384 if (error) { 6385 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6386 goto out; 6387 } 6388 } 6389 p = (void *)sopt->sopt_td; 6390 if (sopt->sopt_dir == SOPT_SET) { 6391 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6392 } else if (sopt->sopt_dir == SOPT_GET) { 6393 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6394 } else { 6395 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6396 error = EINVAL; 6397 } 6398 if ((error == 0) && (optval != NULL)) { 6399 error = sooptcopyout(sopt, optval, optsize); 6400 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6401 } else if (optval != NULL) { 6402 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6403 } 6404out: 6405 return (error); 6406} 6407 6408#ifdef INET 6409static int 6410sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6411{ 6412 int error = 0; 6413 int create_lock_on = 0; 6414 uint32_t vrf_id; 6415 struct sctp_inpcb *inp; 6416 struct sctp_tcb *stcb = NULL; 6417 6418 inp = (struct sctp_inpcb *)so->so_pcb; 6419 if (inp == NULL) { 6420 /* I made the same as TCP since we are not setup? */ 6421 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6422 return (ECONNRESET); 6423 } 6424 if (addr == NULL) { 6425 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6426 return EINVAL; 6427 } 6428 switch (addr->sa_family) { 6429#ifdef INET6 6430 case AF_INET6: 6431 { 6432 struct sockaddr_in6 *sin6p; 6433 6434 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6435 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6436 return (EINVAL); 6437 } 6438 sin6p = (struct sockaddr_in6 *)addr; 6439 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 6440 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6441 return (error); 6442 } 6443 break; 6444 } 6445#endif 6446#ifdef INET 6447 case AF_INET: 6448 { 6449 struct sockaddr_in *sinp; 6450 6451 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6452 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6453 return (EINVAL); 6454 } 6455 sinp = (struct sockaddr_in *)addr; 6456 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 6457 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6458 return (error); 6459 } 6460 break; 6461 } 6462#endif 6463 default: 6464 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 6465 return (EAFNOSUPPORT); 6466 } 6467 SCTP_INP_INCR_REF(inp); 6468 SCTP_ASOC_CREATE_LOCK(inp); 6469 create_lock_on = 1; 6470 6471 6472 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 6473 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 6474 /* Should I really unlock ? */ 6475 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 6476 error = EFAULT; 6477 goto out_now; 6478 } 6479#ifdef INET6 6480 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 6481 (addr->sa_family == AF_INET6)) { 6482 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6483 error = EINVAL; 6484 goto out_now; 6485 } 6486#endif 6487 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 6488 SCTP_PCB_FLAGS_UNBOUND) { 6489 /* Bind a ephemeral port */ 6490 error = sctp_inpcb_bind(so, NULL, NULL, p); 6491 if (error) { 6492 goto out_now; 6493 } 6494 } 6495 /* Now do we connect? */ 6496 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 6497 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 6498 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6499 error = EINVAL; 6500 goto out_now; 6501 } 6502 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6503 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6504 /* We are already connected AND the TCP model */ 6505 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6506 error = EADDRINUSE; 6507 goto out_now; 6508 } 6509 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6510 SCTP_INP_RLOCK(inp); 6511 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6512 SCTP_INP_RUNLOCK(inp); 6513 } else { 6514 /* 6515 * We increment here since sctp_findassociation_ep_addr() 6516 * will do a decrement if it finds the stcb as long as the 6517 * locked tcb (last argument) is NOT a TCB.. aka NULL. 6518 */ 6519 SCTP_INP_INCR_REF(inp); 6520 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 6521 if (stcb == NULL) { 6522 SCTP_INP_DECR_REF(inp); 6523 } else { 6524 SCTP_TCB_UNLOCK(stcb); 6525 } 6526 } 6527 if (stcb != NULL) { 6528 /* Already have or am bring up an association */ 6529 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 6530 error = EALREADY; 6531 goto out_now; 6532 } 6533 vrf_id = inp->def_vrf_id; 6534 /* We are GOOD to go */ 6535 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, p); 6536 if (stcb == NULL) { 6537 /* Gak! no memory */ 6538 goto out_now; 6539 } 6540 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 6541 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 6542 /* Set the connected flag so we can queue data */ 6543 soisconnecting(so); 6544 } 6545 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 6546 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 6547 6548 /* initialize authentication parameters for the assoc */ 6549 sctp_initialize_auth_params(inp, stcb); 6550 6551 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 6552 SCTP_TCB_UNLOCK(stcb); 6553out_now: 6554 if (create_lock_on) { 6555 SCTP_ASOC_CREATE_UNLOCK(inp); 6556 } 6557 SCTP_INP_DECR_REF(inp); 6558 return (error); 6559} 6560 6561#endif 6562 6563int 6564sctp_listen(struct socket *so, int backlog, struct thread *p) 6565{ 6566 /* 6567 * Note this module depends on the protocol processing being called 6568 * AFTER any socket level flags and backlog are applied to the 6569 * socket. The traditional way that the socket flags are applied is 6570 * AFTER protocol processing. We have made a change to the 6571 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 6572 * place if the socket API for SCTP is to work properly. 6573 */ 6574 6575 int error = 0; 6576 struct sctp_inpcb *inp; 6577 6578 inp = (struct sctp_inpcb *)so->so_pcb; 6579 if (inp == NULL) { 6580 /* I made the same as TCP since we are not setup? */ 6581 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6582 return (ECONNRESET); 6583 } 6584 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 6585 /* See if we have a listener */ 6586 struct sctp_inpcb *tinp; 6587 union sctp_sockstore store; 6588 6589 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 6590 /* not bound all */ 6591 struct sctp_laddr *laddr; 6592 6593 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6594 memcpy(&store, &laddr->ifa->address, sizeof(store)); 6595 switch (store.sa.sa_family) { 6596#ifdef INET 6597 case AF_INET: 6598 store.sin.sin_port = inp->sctp_lport; 6599 break; 6600#endif 6601#ifdef INET6 6602 case AF_INET6: 6603 store.sin6.sin6_port = inp->sctp_lport; 6604 break; 6605#endif 6606 default: 6607 break; 6608 } 6609 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 6610 if (tinp && (tinp != inp) && 6611 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6612 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6613 (tinp->sctp_socket->so_qlimit)) { 6614 /* 6615 * we have a listener already and 6616 * its not this inp. 6617 */ 6618 SCTP_INP_DECR_REF(tinp); 6619 return (EADDRINUSE); 6620 } else if (tinp) { 6621 SCTP_INP_DECR_REF(tinp); 6622 } 6623 } 6624 } else { 6625 /* Setup a local addr bound all */ 6626 memset(&store, 0, sizeof(store)); 6627#ifdef INET6 6628 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 6629 store.sa.sa_family = AF_INET6; 6630 store.sa.sa_len = sizeof(struct sockaddr_in6); 6631 } 6632#endif 6633#ifdef INET 6634 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 6635 store.sa.sa_family = AF_INET; 6636 store.sa.sa_len = sizeof(struct sockaddr_in); 6637 } 6638#endif 6639 switch (store.sa.sa_family) { 6640#ifdef INET 6641 case AF_INET: 6642 store.sin.sin_port = inp->sctp_lport; 6643 break; 6644#endif 6645#ifdef INET6 6646 case AF_INET6: 6647 store.sin6.sin6_port = inp->sctp_lport; 6648 break; 6649#endif 6650 default: 6651 break; 6652 } 6653 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 6654 if (tinp && (tinp != inp) && 6655 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6656 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6657 (tinp->sctp_socket->so_qlimit)) { 6658 /* 6659 * we have a listener already and its not 6660 * this inp. 6661 */ 6662 SCTP_INP_DECR_REF(tinp); 6663 return (EADDRINUSE); 6664 } else if (tinp) { 6665 SCTP_INP_DECR_REF(inp); 6666 } 6667 } 6668 } 6669 SCTP_INP_RLOCK(inp); 6670#ifdef SCTP_LOCK_LOGGING 6671 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 6672 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 6673 } 6674#endif 6675 SOCK_LOCK(so); 6676 error = solisten_proto_check(so); 6677 if (error) { 6678 SOCK_UNLOCK(so); 6679 SCTP_INP_RUNLOCK(inp); 6680 return (error); 6681 } 6682 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 6683 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 6684 /* 6685 * The unlucky case - We are in the tcp pool with this guy. 6686 * - Someone else is in the main inp slot. - We must move 6687 * this guy (the listener) to the main slot - We must then 6688 * move the guy that was listener to the TCP Pool. 6689 */ 6690 if (sctp_swap_inpcb_for_listen(inp)) { 6691 goto in_use; 6692 } 6693 } 6694 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6695 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6696 /* We are already connected AND the TCP model */ 6697in_use: 6698 SCTP_INP_RUNLOCK(inp); 6699 SOCK_UNLOCK(so); 6700 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6701 return (EADDRINUSE); 6702 } 6703 SCTP_INP_RUNLOCK(inp); 6704 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 6705 /* We must do a bind. */ 6706 SOCK_UNLOCK(so); 6707 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 6708 /* bind error, probably perm */ 6709 return (error); 6710 } 6711 SOCK_LOCK(so); 6712 } 6713 /* It appears for 7.0 and on, we must always call this. */ 6714 solisten_proto(so, backlog); 6715 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 6716 /* remove the ACCEPTCONN flag for one-to-many sockets */ 6717 so->so_options &= ~SO_ACCEPTCONN; 6718 } 6719 if (backlog == 0) { 6720 /* turning off listen */ 6721 so->so_options &= ~SO_ACCEPTCONN; 6722 } 6723 SOCK_UNLOCK(so); 6724 return (error); 6725} 6726 6727static int sctp_defered_wakeup_cnt = 0; 6728 6729int 6730sctp_accept(struct socket *so, struct sockaddr **addr) 6731{ 6732 struct sctp_tcb *stcb; 6733 struct sctp_inpcb *inp; 6734 union sctp_sockstore store; 6735 6736#ifdef INET6 6737 int error; 6738 6739#endif 6740 inp = (struct sctp_inpcb *)so->so_pcb; 6741 6742 if (inp == NULL) { 6743 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6744 return (ECONNRESET); 6745 } 6746 SCTP_INP_RLOCK(inp); 6747 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 6748 SCTP_INP_RUNLOCK(inp); 6749 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 6750 return (EOPNOTSUPP); 6751 } 6752 if (so->so_state & SS_ISDISCONNECTED) { 6753 SCTP_INP_RUNLOCK(inp); 6754 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 6755 return (ECONNABORTED); 6756 } 6757 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6758 if (stcb == NULL) { 6759 SCTP_INP_RUNLOCK(inp); 6760 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6761 return (ECONNRESET); 6762 } 6763 SCTP_TCB_LOCK(stcb); 6764 SCTP_INP_RUNLOCK(inp); 6765 store = stcb->asoc.primary_destination->ro._l_addr; 6766 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 6767 SCTP_TCB_UNLOCK(stcb); 6768 switch (store.sa.sa_family) { 6769#ifdef INET 6770 case AF_INET: 6771 { 6772 struct sockaddr_in *sin; 6773 6774 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6775 if (sin == NULL) 6776 return (ENOMEM); 6777 sin->sin_family = AF_INET; 6778 sin->sin_len = sizeof(*sin); 6779 sin->sin_port = store.sin.sin_port; 6780 sin->sin_addr = store.sin.sin_addr; 6781 *addr = (struct sockaddr *)sin; 6782 break; 6783 } 6784#endif 6785#ifdef INET6 6786 case AF_INET6: 6787 { 6788 struct sockaddr_in6 *sin6; 6789 6790 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 6791 if (sin6 == NULL) 6792 return (ENOMEM); 6793 sin6->sin6_family = AF_INET6; 6794 sin6->sin6_len = sizeof(*sin6); 6795 sin6->sin6_port = store.sin6.sin6_port; 6796 sin6->sin6_addr = store.sin6.sin6_addr; 6797 if ((error = sa6_recoverscope(sin6)) != 0) { 6798 SCTP_FREE_SONAME(sin6); 6799 return (error); 6800 } 6801 *addr = (struct sockaddr *)sin6; 6802 break; 6803 } 6804#endif 6805 default: 6806 /* TSNH */ 6807 break; 6808 } 6809 /* Wake any delayed sleep action */ 6810 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 6811 SCTP_INP_WLOCK(inp); 6812 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 6813 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 6814 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 6815 SCTP_INP_WUNLOCK(inp); 6816 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 6817 if (sowriteable(inp->sctp_socket)) { 6818 sowwakeup_locked(inp->sctp_socket); 6819 } else { 6820 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 6821 } 6822 SCTP_INP_WLOCK(inp); 6823 } 6824 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 6825 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 6826 SCTP_INP_WUNLOCK(inp); 6827 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 6828 if (soreadable(inp->sctp_socket)) { 6829 sctp_defered_wakeup_cnt++; 6830 sorwakeup_locked(inp->sctp_socket); 6831 } else { 6832 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 6833 } 6834 SCTP_INP_WLOCK(inp); 6835 } 6836 SCTP_INP_WUNLOCK(inp); 6837 } 6838 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 6839 SCTP_TCB_LOCK(stcb); 6840 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 6841 } 6842 return (0); 6843} 6844 6845#ifdef INET 6846int 6847sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 6848{ 6849 struct sockaddr_in *sin; 6850 uint32_t vrf_id; 6851 struct sctp_inpcb *inp; 6852 struct sctp_ifa *sctp_ifa; 6853 6854 /* 6855 * Do the malloc first in case it blocks. 6856 */ 6857 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6858 if (sin == NULL) 6859 return (ENOMEM); 6860 sin->sin_family = AF_INET; 6861 sin->sin_len = sizeof(*sin); 6862 inp = (struct sctp_inpcb *)so->so_pcb; 6863 if (!inp) { 6864 SCTP_FREE_SONAME(sin); 6865 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6866 return (ECONNRESET); 6867 } 6868 SCTP_INP_RLOCK(inp); 6869 sin->sin_port = inp->sctp_lport; 6870 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 6871 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6872 struct sctp_tcb *stcb; 6873 struct sockaddr_in *sin_a; 6874 struct sctp_nets *net; 6875 int fnd; 6876 6877 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6878 if (stcb == NULL) { 6879 goto notConn; 6880 } 6881 fnd = 0; 6882 sin_a = NULL; 6883 SCTP_TCB_LOCK(stcb); 6884 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6885 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 6886 if (sin_a == NULL) 6887 /* this will make coverity happy */ 6888 continue; 6889 6890 if (sin_a->sin_family == AF_INET) { 6891 fnd = 1; 6892 break; 6893 } 6894 } 6895 if ((!fnd) || (sin_a == NULL)) { 6896 /* punt */ 6897 SCTP_TCB_UNLOCK(stcb); 6898 goto notConn; 6899 } 6900 vrf_id = inp->def_vrf_id; 6901 sctp_ifa = sctp_source_address_selection(inp, 6902 stcb, 6903 (sctp_route_t *) & net->ro, 6904 net, 0, vrf_id); 6905 if (sctp_ifa) { 6906 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 6907 sctp_free_ifa(sctp_ifa); 6908 } 6909 SCTP_TCB_UNLOCK(stcb); 6910 } else { 6911 /* For the bound all case you get back 0 */ 6912 notConn: 6913 sin->sin_addr.s_addr = 0; 6914 } 6915 6916 } else { 6917 /* Take the first IPv4 address in the list */ 6918 struct sctp_laddr *laddr; 6919 int fnd = 0; 6920 6921 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6922 if (laddr->ifa->address.sa.sa_family == AF_INET) { 6923 struct sockaddr_in *sin_a; 6924 6925 sin_a = &laddr->ifa->address.sin; 6926 sin->sin_addr = sin_a->sin_addr; 6927 fnd = 1; 6928 break; 6929 } 6930 } 6931 if (!fnd) { 6932 SCTP_FREE_SONAME(sin); 6933 SCTP_INP_RUNLOCK(inp); 6934 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 6935 return (ENOENT); 6936 } 6937 } 6938 SCTP_INP_RUNLOCK(inp); 6939 (*addr) = (struct sockaddr *)sin; 6940 return (0); 6941} 6942 6943int 6944sctp_peeraddr(struct socket *so, struct sockaddr **addr) 6945{ 6946 struct sockaddr_in *sin; 6947 int fnd; 6948 struct sockaddr_in *sin_a; 6949 struct sctp_inpcb *inp; 6950 struct sctp_tcb *stcb; 6951 struct sctp_nets *net; 6952 6953 /* Do the malloc first in case it blocks. */ 6954 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6955 if (sin == NULL) 6956 return (ENOMEM); 6957 sin->sin_family = AF_INET; 6958 sin->sin_len = sizeof(*sin); 6959 6960 inp = (struct sctp_inpcb *)so->so_pcb; 6961 if ((inp == NULL) || 6962 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 6963 /* UDP type and listeners will drop out here */ 6964 SCTP_FREE_SONAME(sin); 6965 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 6966 return (ENOTCONN); 6967 } 6968 SCTP_INP_RLOCK(inp); 6969 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6970 if (stcb) { 6971 SCTP_TCB_LOCK(stcb); 6972 } 6973 SCTP_INP_RUNLOCK(inp); 6974 if (stcb == NULL) { 6975 SCTP_FREE_SONAME(sin); 6976 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6977 return (ECONNRESET); 6978 } 6979 fnd = 0; 6980 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6981 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 6982 if (sin_a->sin_family == AF_INET) { 6983 fnd = 1; 6984 sin->sin_port = stcb->rport; 6985 sin->sin_addr = sin_a->sin_addr; 6986 break; 6987 } 6988 } 6989 SCTP_TCB_UNLOCK(stcb); 6990 if (!fnd) { 6991 /* No IPv4 address */ 6992 SCTP_FREE_SONAME(sin); 6993 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 6994 return (ENOENT); 6995 } 6996 (*addr) = (struct sockaddr *)sin; 6997 return (0); 6998} 6999 7000struct pr_usrreqs sctp_usrreqs = { 7001 .pru_abort = sctp_abort, 7002 .pru_accept = sctp_accept, 7003 .pru_attach = sctp_attach, 7004 .pru_bind = sctp_bind, 7005 .pru_connect = sctp_connect, 7006 .pru_control = in_control, 7007 .pru_close = sctp_close, 7008 .pru_detach = sctp_close, 7009 .pru_sopoll = sopoll_generic, 7010 .pru_flush = sctp_flush, 7011 .pru_disconnect = sctp_disconnect, 7012 .pru_listen = sctp_listen, 7013 .pru_peeraddr = sctp_peeraddr, 7014 .pru_send = sctp_sendm, 7015 .pru_shutdown = sctp_shutdown, 7016 .pru_sockaddr = sctp_ingetaddr, 7017 .pru_sosend = sctp_sosend, 7018 .pru_soreceive = sctp_soreceive 7019}; 7020 7021#endif 7022