1/*- 2 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 4 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * a) Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * b) Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the distribution. 15 * 16 * c) Neither the name of Cisco Systems, Inc. nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33#include <sys/cdefs.h> 34__FBSDID("$FreeBSD$"); 35 36#include <netinet/sctp_os.h> 37#include <sys/proc.h> 38#include <netinet/sctp_pcb.h> 39#include <netinet/sctp_header.h> 40#include <netinet/sctp_var.h> 41#ifdef INET6 42#endif 43#include <netinet/sctp_sysctl.h> 44#include <netinet/sctp_output.h> 45#include <netinet/sctp_uio.h> 46#include <netinet/sctp_asconf.h> 47#include <netinet/sctputil.h> 48#include <netinet/sctp_indata.h> 49#include <netinet/sctp_timer.h> 50#include <netinet/sctp_auth.h> 51#include <netinet/sctp_bsd_addr.h> 52#include <netinet/udp.h> 53 54 55 56extern struct sctp_cc_functions sctp_cc_functions[]; 57extern struct sctp_ss_functions sctp_ss_functions[]; 58 59void 60sctp_init(void) 61{ 62 u_long sb_max_adj; 63 64 /* Initialize and modify the sysctled variables */ 65 sctp_init_sysctls(); 66 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 67 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 68 /* 69 * Allow a user to take no more than 1/2 the number of clusters or 70 * the SB_MAX whichever is smaller for the send window. 71 */ 72 sb_max_adj = (u_long)((u_quad_t) (SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 73 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 74 (((uint32_t) nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT)); 75 /* 76 * Now for the recv window, should we take the same amount? or 77 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 78 * now I will just copy. 79 */ 80 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 81 SCTP_BASE_VAR(first_time) = 0; 82 SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 83 sctp_pcb_init(); 84#if defined(SCTP_PACKET_LOGGING) 85 SCTP_BASE_VAR(packet_log_writers) = 0; 86 SCTP_BASE_VAR(packet_log_end) = 0; 87 bzero(&SCTP_BASE_VAR(packet_log_buffer), SCTP_PACKET_LOG_SIZE); 88#endif 89} 90 91void 92sctp_finish(void) 93{ 94 sctp_pcb_finish(); 95} 96 97 98 99void 100sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz) 101{ 102 struct sctp_tmit_chunk *chk; 103 uint16_t overhead; 104 105 /* Adjust that too */ 106 stcb->asoc.smallest_mtu = nxtsz; 107 /* now off to subtract IP_DF flag if needed */ 108 overhead = IP_HDR_SIZE; 109 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) { 110 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id); 111 } 112 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) { 113 if ((chk->send_size + overhead) > nxtsz) { 114 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 115 } 116 } 117 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) { 118 if ((chk->send_size + overhead) > nxtsz) { 119 /* 120 * For this guy we also mark for immediate resend 121 * since we sent to big of chunk 122 */ 123 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 124 if (chk->sent < SCTP_DATAGRAM_RESEND) { 125 sctp_flight_size_decrease(chk); 126 sctp_total_flight_decrease(stcb, chk); 127 } 128 if (chk->sent != SCTP_DATAGRAM_RESEND) { 129 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt); 130 } 131 chk->sent = SCTP_DATAGRAM_RESEND; 132 chk->rec.data.doing_fast_retransmit = 0; 133 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 134 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 135 chk->whoTo->flight_size, 136 chk->book_size, 137 (uintptr_t) chk->whoTo, 138 chk->rec.data.TSN_seq); 139 } 140 /* Clear any time so NO RTT is being done */ 141 chk->do_rtt = 0; 142 } 143 } 144} 145 146#ifdef INET 147static void 148sctp_notify_mbuf(struct sctp_inpcb *inp, 149 struct sctp_tcb *stcb, 150 struct sctp_nets *net, 151 struct ip *ip, 152 struct sctphdr *sh) 153{ 154 struct icmp *icmph; 155 int totsz, tmr_stopped = 0; 156 uint16_t nxtsz; 157 158 /* protection */ 159 if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 160 (ip == NULL) || (sh == NULL)) { 161 if (stcb != NULL) { 162 SCTP_TCB_UNLOCK(stcb); 163 } 164 return; 165 } 166 /* First job is to verify the vtag matches what I would send */ 167 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 168 SCTP_TCB_UNLOCK(stcb); 169 return; 170 } 171 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 172 sizeof(struct ip))); 173 if (icmph->icmp_type != ICMP_UNREACH) { 174 /* We only care about unreachable */ 175 SCTP_TCB_UNLOCK(stcb); 176 return; 177 } 178 if (icmph->icmp_code != ICMP_UNREACH_NEEDFRAG) { 179 /* not a unreachable message due to frag. */ 180 SCTP_TCB_UNLOCK(stcb); 181 return; 182 } 183 totsz = ntohs(ip->ip_len); 184 185 nxtsz = ntohs(icmph->icmp_nextmtu); 186 if (nxtsz == 0) { 187 /* 188 * old type router that does not tell us what the next size 189 * mtu is. Rats we will have to guess (in a educated fashion 190 * of course) 191 */ 192 nxtsz = sctp_get_prev_mtu(totsz); 193 } 194 /* Stop any PMTU timer */ 195 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 196 tmr_stopped = 1; 197 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 198 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 199 } 200 /* Adjust destination size limit */ 201 if (net->mtu > nxtsz) { 202 net->mtu = nxtsz; 203 if (net->port) { 204 net->mtu -= sizeof(struct udphdr); 205 } 206 } 207 /* now what about the ep? */ 208 if (stcb->asoc.smallest_mtu > nxtsz) { 209 sctp_pathmtu_adjustment(stcb, nxtsz); 210 } 211 if (tmr_stopped) 212 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 213 214 SCTP_TCB_UNLOCK(stcb); 215} 216 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 ((av->stream_id >= stcb->asoc.streamoutcnt) || 1858 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1859 &av->stream_value) < 0)) { 1860 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1861 error = EINVAL; 1862 } else { 1863 *optsize = sizeof(struct sctp_stream_value); 1864 } 1865 SCTP_TCB_UNLOCK(stcb); 1866 } else { 1867 /* 1868 * Can't get stream value without 1869 * association 1870 */ 1871 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1872 error = EINVAL; 1873 } 1874 break; 1875 } 1876 case SCTP_GET_ADDR_LEN: 1877 { 1878 struct sctp_assoc_value *av; 1879 1880 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1881 error = EINVAL; 1882#ifdef INET 1883 if (av->assoc_value == AF_INET) { 1884 av->assoc_value = sizeof(struct sockaddr_in); 1885 error = 0; 1886 } 1887#endif 1888#ifdef INET6 1889 if (av->assoc_value == AF_INET6) { 1890 av->assoc_value = sizeof(struct sockaddr_in6); 1891 error = 0; 1892 } 1893#endif 1894 if (error) { 1895 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1896 } else { 1897 *optsize = sizeof(struct sctp_assoc_value); 1898 } 1899 break; 1900 } 1901 case SCTP_GET_ASSOC_NUMBER: 1902 { 1903 uint32_t *value, cnt; 1904 1905 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1906 cnt = 0; 1907 SCTP_INP_RLOCK(inp); 1908 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1909 cnt++; 1910 } 1911 SCTP_INP_RUNLOCK(inp); 1912 *value = cnt; 1913 *optsize = sizeof(uint32_t); 1914 break; 1915 } 1916 case SCTP_GET_ASSOC_ID_LIST: 1917 { 1918 struct sctp_assoc_ids *ids; 1919 unsigned int at, limit; 1920 1921 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1922 at = 0; 1923 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1924 SCTP_INP_RLOCK(inp); 1925 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1926 if (at < limit) { 1927 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1928 } else { 1929 error = EINVAL; 1930 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1931 break; 1932 } 1933 } 1934 SCTP_INP_RUNLOCK(inp); 1935 if (error == 0) { 1936 ids->gaids_number_of_ids = at; 1937 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1938 } 1939 break; 1940 } 1941 case SCTP_CONTEXT: 1942 { 1943 struct sctp_assoc_value *av; 1944 1945 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1946 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1947 1948 if (stcb) { 1949 av->assoc_value = stcb->asoc.context; 1950 SCTP_TCB_UNLOCK(stcb); 1951 } else { 1952 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1953 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1954 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1955 SCTP_INP_RLOCK(inp); 1956 av->assoc_value = inp->sctp_context; 1957 SCTP_INP_RUNLOCK(inp); 1958 } else { 1959 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1960 error = EINVAL; 1961 } 1962 } 1963 if (error == 0) { 1964 *optsize = sizeof(struct sctp_assoc_value); 1965 } 1966 break; 1967 } 1968 case SCTP_VRF_ID: 1969 { 1970 uint32_t *default_vrfid; 1971 1972 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1973 *default_vrfid = inp->def_vrf_id; 1974 *optsize = sizeof(uint32_t); 1975 break; 1976 } 1977 case SCTP_GET_ASOC_VRF: 1978 { 1979 struct sctp_assoc_value *id; 1980 1981 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1982 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1983 if (stcb == NULL) { 1984 error = EINVAL; 1985 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1986 } else { 1987 id->assoc_value = stcb->asoc.vrf_id; 1988 *optsize = sizeof(struct sctp_assoc_value); 1989 } 1990 break; 1991 } 1992 case SCTP_GET_VRF_IDS: 1993 { 1994 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1995 error = EOPNOTSUPP; 1996 break; 1997 } 1998 case SCTP_GET_NONCE_VALUES: 1999 { 2000 struct sctp_get_nonce_values *gnv; 2001 2002 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 2003 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 2004 2005 if (stcb) { 2006 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 2007 gnv->gn_local_tag = stcb->asoc.my_vtag; 2008 SCTP_TCB_UNLOCK(stcb); 2009 *optsize = sizeof(struct sctp_get_nonce_values); 2010 } else { 2011 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2012 error = ENOTCONN; 2013 } 2014 break; 2015 } 2016 case SCTP_DELAYED_SACK: 2017 { 2018 struct sctp_sack_info *sack; 2019 2020 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 2021 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 2022 if (stcb) { 2023 sack->sack_delay = stcb->asoc.delayed_ack; 2024 sack->sack_freq = stcb->asoc.sack_freq; 2025 SCTP_TCB_UNLOCK(stcb); 2026 } else { 2027 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2028 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2029 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) { 2030 SCTP_INP_RLOCK(inp); 2031 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2032 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2033 SCTP_INP_RUNLOCK(inp); 2034 } else { 2035 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2036 error = EINVAL; 2037 } 2038 } 2039 if (error == 0) { 2040 *optsize = sizeof(struct sctp_sack_info); 2041 } 2042 break; 2043 } 2044 case SCTP_GET_SNDBUF_USE: 2045 { 2046 struct sctp_sockstat *ss; 2047 2048 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2049 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2050 2051 if (stcb) { 2052 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2053 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2054 stcb->asoc.size_on_all_streams); 2055 SCTP_TCB_UNLOCK(stcb); 2056 *optsize = sizeof(struct sctp_sockstat); 2057 } else { 2058 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2059 error = ENOTCONN; 2060 } 2061 break; 2062 } 2063 case SCTP_MAX_BURST: 2064 { 2065 struct sctp_assoc_value *av; 2066 2067 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2068 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2069 2070 if (stcb) { 2071 av->assoc_value = stcb->asoc.max_burst; 2072 SCTP_TCB_UNLOCK(stcb); 2073 } else { 2074 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2075 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2076 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2077 SCTP_INP_RLOCK(inp); 2078 av->assoc_value = inp->sctp_ep.max_burst; 2079 SCTP_INP_RUNLOCK(inp); 2080 } else { 2081 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2082 error = EINVAL; 2083 } 2084 } 2085 if (error == 0) { 2086 *optsize = sizeof(struct sctp_assoc_value); 2087 } 2088 break; 2089 } 2090 case SCTP_MAXSEG: 2091 { 2092 struct sctp_assoc_value *av; 2093 int ovh; 2094 2095 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2096 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2097 2098 if (stcb) { 2099 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2100 SCTP_TCB_UNLOCK(stcb); 2101 } else { 2102 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2103 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2104 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2105 SCTP_INP_RLOCK(inp); 2106 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2107 ovh = SCTP_MED_OVERHEAD; 2108 } else { 2109 ovh = SCTP_MED_V4_OVERHEAD; 2110 } 2111 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2112 av->assoc_value = 0; 2113 else 2114 av->assoc_value = inp->sctp_frag_point - ovh; 2115 SCTP_INP_RUNLOCK(inp); 2116 } else { 2117 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2118 error = EINVAL; 2119 } 2120 } 2121 if (error == 0) { 2122 *optsize = sizeof(struct sctp_assoc_value); 2123 } 2124 break; 2125 } 2126 case SCTP_GET_STAT_LOG: 2127 error = sctp_fill_stat_log(optval, optsize); 2128 break; 2129 case SCTP_EVENTS: 2130 { 2131 struct sctp_event_subscribe *events; 2132 2133 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2134 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2135 SCTP_INP_RLOCK(inp); 2136 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2137 events->sctp_data_io_event = 1; 2138 2139 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2140 events->sctp_association_event = 1; 2141 2142 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2143 events->sctp_address_event = 1; 2144 2145 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2146 events->sctp_send_failure_event = 1; 2147 2148 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2149 events->sctp_peer_error_event = 1; 2150 2151 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2152 events->sctp_shutdown_event = 1; 2153 2154 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2155 events->sctp_partial_delivery_event = 1; 2156 2157 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2158 events->sctp_adaptation_layer_event = 1; 2159 2160 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2161 events->sctp_authentication_event = 1; 2162 2163 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2164 events->sctp_sender_dry_event = 1; 2165 2166 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2167 events->sctp_stream_reset_event = 1; 2168 SCTP_INP_RUNLOCK(inp); 2169 *optsize = sizeof(struct sctp_event_subscribe); 2170 break; 2171 } 2172 case SCTP_ADAPTATION_LAYER: 2173 { 2174 uint32_t *value; 2175 2176 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2177 2178 SCTP_INP_RLOCK(inp); 2179 *value = inp->sctp_ep.adaptation_layer_indicator; 2180 SCTP_INP_RUNLOCK(inp); 2181 *optsize = sizeof(uint32_t); 2182 break; 2183 } 2184 case SCTP_SET_INITIAL_DBG_SEQ: 2185 { 2186 uint32_t *value; 2187 2188 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2189 SCTP_INP_RLOCK(inp); 2190 *value = inp->sctp_ep.initial_sequence_debug; 2191 SCTP_INP_RUNLOCK(inp); 2192 *optsize = sizeof(uint32_t); 2193 break; 2194 } 2195 case SCTP_GET_LOCAL_ADDR_SIZE: 2196 { 2197 uint32_t *value; 2198 2199 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2200 SCTP_INP_RLOCK(inp); 2201 *value = sctp_count_max_addresses(inp); 2202 SCTP_INP_RUNLOCK(inp); 2203 *optsize = sizeof(uint32_t); 2204 break; 2205 } 2206 case SCTP_GET_REMOTE_ADDR_SIZE: 2207 { 2208 uint32_t *value; 2209 size_t size; 2210 struct sctp_nets *net; 2211 2212 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2213 /* FIXME MT: change to sctp_assoc_value? */ 2214 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 2215 2216 if (stcb) { 2217 size = 0; 2218 /* Count the sizes */ 2219 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2220 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2221 size += sizeof(struct sockaddr_in6); 2222 } else { 2223 switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) { 2224#ifdef INET 2225 case AF_INET: 2226 size += sizeof(struct sockaddr_in); 2227 break; 2228#endif 2229#ifdef INET6 2230 case AF_INET6: 2231 size += sizeof(struct sockaddr_in6); 2232 break; 2233#endif 2234 default: 2235 break; 2236 } 2237 } 2238 } 2239 SCTP_TCB_UNLOCK(stcb); 2240 *value = (uint32_t) size; 2241 *optsize = sizeof(uint32_t); 2242 } else { 2243 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2244 error = ENOTCONN; 2245 } 2246 break; 2247 } 2248 case SCTP_GET_PEER_ADDRESSES: 2249 /* 2250 * Get the address information, an array is passed in to 2251 * fill up we pack it. 2252 */ 2253 { 2254 size_t cpsz, left; 2255 struct sockaddr_storage *sas; 2256 struct sctp_nets *net; 2257 struct sctp_getaddresses *saddr; 2258 2259 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2260 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2261 2262 if (stcb) { 2263 left = (*optsize) - sizeof(struct sctp_getaddresses); 2264 *optsize = sizeof(struct sctp_getaddresses); 2265 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2266 2267 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2268 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2269 cpsz = sizeof(struct sockaddr_in6); 2270 } else { 2271 switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) { 2272#ifdef INET 2273 case AF_INET: 2274 cpsz = sizeof(struct sockaddr_in); 2275 break; 2276#endif 2277#ifdef INET6 2278 case AF_INET6: 2279 cpsz = sizeof(struct sockaddr_in6); 2280 break; 2281#endif 2282 default: 2283 cpsz = 0; 2284 break; 2285 } 2286 } 2287 if (cpsz == 0) { 2288 break; 2289 } 2290 if (left < cpsz) { 2291 /* not enough room. */ 2292 break; 2293 } 2294#if defined(INET) && defined(INET6) 2295 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2296 (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET)) { 2297 /* Must map the address */ 2298 in6_sin_2_v4mapsin6((struct sockaddr_in *)&net->ro._l_addr, 2299 (struct sockaddr_in6 *)sas); 2300 } else { 2301#endif 2302 memcpy(sas, &net->ro._l_addr, cpsz); 2303#if defined(INET) && defined(INET6) 2304 } 2305#endif 2306 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2307 2308 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2309 left -= cpsz; 2310 *optsize += cpsz; 2311 } 2312 SCTP_TCB_UNLOCK(stcb); 2313 } else { 2314 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2315 error = ENOENT; 2316 } 2317 break; 2318 } 2319 case SCTP_GET_LOCAL_ADDRESSES: 2320 { 2321 size_t limit, actual; 2322 struct sockaddr_storage *sas; 2323 struct sctp_getaddresses *saddr; 2324 2325 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2326 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2327 2328 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2329 limit = *optsize - sizeof(sctp_assoc_t); 2330 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2331 if (stcb) { 2332 SCTP_TCB_UNLOCK(stcb); 2333 } 2334 *optsize = sizeof(struct sockaddr_storage) + actual; 2335 break; 2336 } 2337 case SCTP_PEER_ADDR_PARAMS: 2338 { 2339 struct sctp_paddrparams *paddrp; 2340 struct sctp_nets *net; 2341 2342 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2343 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2344 2345 net = NULL; 2346 if (stcb) { 2347 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 2348 } else { 2349 /* 2350 * We increment here since 2351 * sctp_findassociation_ep_addr() wil do a 2352 * decrement if it finds the stcb as long as 2353 * the locked tcb (last argument) is NOT a 2354 * TCB.. aka NULL. 2355 */ 2356 SCTP_INP_INCR_REF(inp); 2357 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddrp->spp_address, &net, NULL, NULL); 2358 if (stcb == NULL) { 2359 SCTP_INP_DECR_REF(inp); 2360 } 2361 } 2362 if (stcb && (net == NULL)) { 2363 struct sockaddr *sa; 2364 2365 sa = (struct sockaddr *)&paddrp->spp_address; 2366#ifdef INET 2367 if (sa->sa_family == AF_INET) { 2368 struct sockaddr_in *sin; 2369 2370 sin = (struct sockaddr_in *)sa; 2371 if (sin->sin_addr.s_addr) { 2372 error = EINVAL; 2373 SCTP_TCB_UNLOCK(stcb); 2374 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2375 break; 2376 } 2377 } else 2378#endif 2379#ifdef INET6 2380 if (sa->sa_family == AF_INET6) { 2381 struct sockaddr_in6 *sin6; 2382 2383 sin6 = (struct sockaddr_in6 *)sa; 2384 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2385 error = EINVAL; 2386 SCTP_TCB_UNLOCK(stcb); 2387 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2388 break; 2389 } 2390 } else 2391#endif 2392 { 2393 error = EAFNOSUPPORT; 2394 SCTP_TCB_UNLOCK(stcb); 2395 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2396 break; 2397 } 2398 } 2399 if (stcb) { 2400 /* Applies to the specific association */ 2401 paddrp->spp_flags = 0; 2402 if (net) { 2403 int ovh; 2404 2405 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2406 ovh = SCTP_MED_OVERHEAD; 2407 } else { 2408 ovh = SCTP_MED_V4_OVERHEAD; 2409 } 2410 2411 paddrp->spp_hbinterval = net->heart_beat_delay; 2412 paddrp->spp_pathmaxrxt = net->failure_threshold; 2413 paddrp->spp_pathmtu = net->mtu - ovh; 2414 /* get flags for HB */ 2415 if (net->dest_state & SCTP_ADDR_NOHB) { 2416 paddrp->spp_flags |= SPP_HB_DISABLE; 2417 } else { 2418 paddrp->spp_flags |= SPP_HB_ENABLE; 2419 } 2420 /* get flags for PMTU */ 2421 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2422 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2423 } else { 2424 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2425 } 2426 if (net->dscp & 0x01) { 2427 paddrp->spp_dscp = net->dscp & 0xfc; 2428 paddrp->spp_flags |= SPP_DSCP; 2429 } 2430#ifdef INET6 2431 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2432 (net->flowlabel & 0x80000000)) { 2433 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2434 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2435 } 2436#endif 2437 } else { 2438 /* 2439 * No destination so return default 2440 * value 2441 */ 2442 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2443 paddrp->spp_pathmtu = sctp_get_frag_point(stcb, &stcb->asoc); 2444 if (stcb->asoc.default_dscp & 0x01) { 2445 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2446 paddrp->spp_flags |= SPP_DSCP; 2447 } 2448#ifdef INET6 2449 if (stcb->asoc.default_flowlabel & 0x80000000) { 2450 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2451 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2452 } 2453#endif 2454 /* default settings should be these */ 2455 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2456 paddrp->spp_flags |= SPP_HB_DISABLE; 2457 } else { 2458 paddrp->spp_flags |= SPP_HB_ENABLE; 2459 } 2460 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2461 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2462 } else { 2463 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2464 } 2465 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2466 } 2467 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2468 SCTP_TCB_UNLOCK(stcb); 2469 } else { 2470 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2471 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2472 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 2473 /* Use endpoint defaults */ 2474 SCTP_INP_RLOCK(inp); 2475 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2476 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2477 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2478 /* get inp's default */ 2479 if (inp->sctp_ep.default_dscp & 0x01) { 2480 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2481 paddrp->spp_flags |= SPP_DSCP; 2482 } 2483#ifdef INET6 2484 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2485 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2486 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2487 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2488 } 2489#endif 2490 /* can't return this */ 2491 paddrp->spp_pathmtu = 0; 2492 2493 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2494 paddrp->spp_flags |= SPP_HB_ENABLE; 2495 } else { 2496 paddrp->spp_flags |= SPP_HB_DISABLE; 2497 } 2498 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2499 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2500 } else { 2501 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2502 } 2503 SCTP_INP_RUNLOCK(inp); 2504 } else { 2505 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2506 error = EINVAL; 2507 } 2508 } 2509 if (error == 0) { 2510 *optsize = sizeof(struct sctp_paddrparams); 2511 } 2512 break; 2513 } 2514 case SCTP_GET_PEER_ADDR_INFO: 2515 { 2516 struct sctp_paddrinfo *paddri; 2517 struct sctp_nets *net; 2518 2519 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2520 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2521 2522 net = NULL; 2523 if (stcb) { 2524 net = sctp_findnet(stcb, (struct sockaddr *)&paddri->spinfo_address); 2525 } else { 2526 /* 2527 * We increment here since 2528 * sctp_findassociation_ep_addr() wil do a 2529 * decrement if it finds the stcb as long as 2530 * the locked tcb (last argument) is NOT a 2531 * TCB.. aka NULL. 2532 */ 2533 SCTP_INP_INCR_REF(inp); 2534 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddri->spinfo_address, &net, NULL, NULL); 2535 if (stcb == NULL) { 2536 SCTP_INP_DECR_REF(inp); 2537 } 2538 } 2539 2540 if ((stcb) && (net)) { 2541 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2542 /* It's unconfirmed */ 2543 paddri->spinfo_state = SCTP_UNCONFIRMED; 2544 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2545 /* It's active */ 2546 paddri->spinfo_state = SCTP_ACTIVE; 2547 } else { 2548 /* It's inactive */ 2549 paddri->spinfo_state = SCTP_INACTIVE; 2550 } 2551 paddri->spinfo_cwnd = net->cwnd; 2552 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2553 paddri->spinfo_rto = net->RTO; 2554 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2555 paddri->spinfo_mtu = net->mtu; 2556 SCTP_TCB_UNLOCK(stcb); 2557 *optsize = sizeof(struct sctp_paddrinfo); 2558 } else { 2559 if (stcb) { 2560 SCTP_TCB_UNLOCK(stcb); 2561 } 2562 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2563 error = ENOENT; 2564 } 2565 break; 2566 } 2567 case SCTP_PCB_STATUS: 2568 { 2569 struct sctp_pcbinfo *spcb; 2570 2571 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2572 sctp_fill_pcbinfo(spcb); 2573 *optsize = sizeof(struct sctp_pcbinfo); 2574 break; 2575 } 2576 case SCTP_STATUS: 2577 { 2578 struct sctp_nets *net; 2579 struct sctp_status *sstat; 2580 2581 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2582 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2583 2584 if (stcb == NULL) { 2585 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2586 error = EINVAL; 2587 break; 2588 } 2589 /* 2590 * I think passing the state is fine since 2591 * sctp_constants.h will be available to the user 2592 * land. 2593 */ 2594 sstat->sstat_state = stcb->asoc.state; 2595 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2596 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2597 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2598 /* 2599 * We can't include chunks that have been passed to 2600 * the socket layer. Only things in queue. 2601 */ 2602 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2603 stcb->asoc.cnt_on_all_streams); 2604 2605 2606 sstat->sstat_instrms = stcb->asoc.streamincnt; 2607 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2608 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2609 memcpy(&sstat->sstat_primary.spinfo_address, 2610 &stcb->asoc.primary_destination->ro._l_addr, 2611 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2612 net = stcb->asoc.primary_destination; 2613 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2614 /* 2615 * Again the user can get info from sctp_constants.h 2616 * for what the state of the network is. 2617 */ 2618 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2619 /* It's unconfirmed */ 2620 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2621 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2622 /* It's active */ 2623 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2624 } else { 2625 /* It's inactive */ 2626 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2627 } 2628 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2629 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2630 sstat->sstat_primary.spinfo_rto = net->RTO; 2631 sstat->sstat_primary.spinfo_mtu = net->mtu; 2632 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2633 SCTP_TCB_UNLOCK(stcb); 2634 *optsize = sizeof(struct sctp_status); 2635 break; 2636 } 2637 case SCTP_RTOINFO: 2638 { 2639 struct sctp_rtoinfo *srto; 2640 2641 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2642 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2643 2644 if (stcb) { 2645 srto->srto_initial = stcb->asoc.initial_rto; 2646 srto->srto_max = stcb->asoc.maxrto; 2647 srto->srto_min = stcb->asoc.minrto; 2648 SCTP_TCB_UNLOCK(stcb); 2649 } else { 2650 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2651 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2652 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2653 SCTP_INP_RLOCK(inp); 2654 srto->srto_initial = inp->sctp_ep.initial_rto; 2655 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2656 srto->srto_min = inp->sctp_ep.sctp_minrto; 2657 SCTP_INP_RUNLOCK(inp); 2658 } else { 2659 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2660 error = EINVAL; 2661 } 2662 } 2663 if (error == 0) { 2664 *optsize = sizeof(struct sctp_rtoinfo); 2665 } 2666 break; 2667 } 2668 case SCTP_TIMEOUTS: 2669 { 2670 struct sctp_timeouts *stimo; 2671 2672 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2673 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2674 2675 if (stcb) { 2676 stimo->stimo_init = stcb->asoc.timoinit; 2677 stimo->stimo_data = stcb->asoc.timodata; 2678 stimo->stimo_sack = stcb->asoc.timosack; 2679 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2680 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2681 stimo->stimo_cookie = stcb->asoc.timocookie; 2682 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2683 SCTP_TCB_UNLOCK(stcb); 2684 *optsize = sizeof(struct sctp_timeouts); 2685 } else { 2686 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2687 error = EINVAL; 2688 } 2689 break; 2690 } 2691 case SCTP_ASSOCINFO: 2692 { 2693 struct sctp_assocparams *sasoc; 2694 2695 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2696 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2697 2698 if (stcb) { 2699 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2700 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2701 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2702 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2703 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2704 SCTP_TCB_UNLOCK(stcb); 2705 } else { 2706 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2707 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2708 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2709 SCTP_INP_RLOCK(inp); 2710 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2711 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2712 sasoc->sasoc_number_peer_destinations = 0; 2713 sasoc->sasoc_peer_rwnd = 0; 2714 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2715 SCTP_INP_RUNLOCK(inp); 2716 } else { 2717 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2718 error = EINVAL; 2719 } 2720 } 2721 if (error == 0) { 2722 *optsize = sizeof(struct sctp_assocparams); 2723 } 2724 break; 2725 } 2726 case SCTP_DEFAULT_SEND_PARAM: 2727 { 2728 struct sctp_sndrcvinfo *s_info; 2729 2730 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2731 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2732 2733 if (stcb) { 2734 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2735 SCTP_TCB_UNLOCK(stcb); 2736 } else { 2737 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2738 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2739 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2740 SCTP_INP_RLOCK(inp); 2741 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2742 SCTP_INP_RUNLOCK(inp); 2743 } else { 2744 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2745 error = EINVAL; 2746 } 2747 } 2748 if (error == 0) { 2749 *optsize = sizeof(struct sctp_sndrcvinfo); 2750 } 2751 break; 2752 } 2753 case SCTP_INITMSG: 2754 { 2755 struct sctp_initmsg *sinit; 2756 2757 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2758 SCTP_INP_RLOCK(inp); 2759 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2760 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2761 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2762 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2763 SCTP_INP_RUNLOCK(inp); 2764 *optsize = sizeof(struct sctp_initmsg); 2765 break; 2766 } 2767 case SCTP_PRIMARY_ADDR: 2768 /* we allow a "get" operation on this */ 2769 { 2770 struct sctp_setprim *ssp; 2771 2772 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2773 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2774 2775 if (stcb) { 2776 /* simply copy out the sockaddr_storage... */ 2777 size_t len; 2778 2779 len = *optsize; 2780 if (len > stcb->asoc.primary_destination->ro._l_addr.sa.sa_len) 2781 len = stcb->asoc.primary_destination->ro._l_addr.sa.sa_len; 2782 2783 memcpy(&ssp->ssp_addr, 2784 &stcb->asoc.primary_destination->ro._l_addr, 2785 len); 2786 SCTP_TCB_UNLOCK(stcb); 2787 *optsize = sizeof(struct sctp_setprim); 2788 } else { 2789 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2790 error = EINVAL; 2791 } 2792 break; 2793 } 2794 case SCTP_HMAC_IDENT: 2795 { 2796 struct sctp_hmacalgo *shmac; 2797 sctp_hmaclist_t *hmaclist; 2798 uint32_t size; 2799 int i; 2800 2801 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2802 2803 SCTP_INP_RLOCK(inp); 2804 hmaclist = inp->sctp_ep.local_hmacs; 2805 if (hmaclist == NULL) { 2806 /* no HMACs to return */ 2807 *optsize = sizeof(*shmac); 2808 SCTP_INP_RUNLOCK(inp); 2809 break; 2810 } 2811 /* is there room for all of the hmac ids? */ 2812 size = sizeof(*shmac) + (hmaclist->num_algo * 2813 sizeof(shmac->shmac_idents[0])); 2814 if ((size_t)(*optsize) < size) { 2815 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2816 error = EINVAL; 2817 SCTP_INP_RUNLOCK(inp); 2818 break; 2819 } 2820 /* copy in the list */ 2821 shmac->shmac_number_of_idents = hmaclist->num_algo; 2822 for (i = 0; i < hmaclist->num_algo; i++) { 2823 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2824 } 2825 SCTP_INP_RUNLOCK(inp); 2826 *optsize = size; 2827 break; 2828 } 2829 case SCTP_AUTH_ACTIVE_KEY: 2830 { 2831 struct sctp_authkeyid *scact; 2832 2833 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2834 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2835 2836 if (stcb) { 2837 /* get the active key on the assoc */ 2838 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2839 SCTP_TCB_UNLOCK(stcb); 2840 } else { 2841 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2842 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2843 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2844 /* get the endpoint active key */ 2845 SCTP_INP_RLOCK(inp); 2846 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2847 SCTP_INP_RUNLOCK(inp); 2848 } else { 2849 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2850 error = EINVAL; 2851 } 2852 } 2853 if (error == 0) { 2854 *optsize = sizeof(struct sctp_authkeyid); 2855 } 2856 break; 2857 } 2858 case SCTP_LOCAL_AUTH_CHUNKS: 2859 { 2860 struct sctp_authchunks *sac; 2861 sctp_auth_chklist_t *chklist = NULL; 2862 size_t size = 0; 2863 2864 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2865 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2866 2867 if (stcb) { 2868 /* get off the assoc */ 2869 chklist = stcb->asoc.local_auth_chunks; 2870 /* is there enough space? */ 2871 size = sctp_auth_get_chklist_size(chklist); 2872 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2873 error = EINVAL; 2874 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2875 } else { 2876 /* copy in the chunks */ 2877 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2878 sac->gauth_number_of_chunks = (uint32_t) size; 2879 *optsize = sizeof(struct sctp_authchunks) + size; 2880 } 2881 SCTP_TCB_UNLOCK(stcb); 2882 } else { 2883 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2884 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2885 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 2886 /* get off the endpoint */ 2887 SCTP_INP_RLOCK(inp); 2888 chklist = inp->sctp_ep.local_auth_chunks; 2889 /* is there enough space? */ 2890 size = sctp_auth_get_chklist_size(chklist); 2891 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2892 error = EINVAL; 2893 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2894 } else { 2895 /* copy in the chunks */ 2896 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2897 sac->gauth_number_of_chunks = (uint32_t) size; 2898 *optsize = sizeof(struct sctp_authchunks) + size; 2899 } 2900 SCTP_INP_RUNLOCK(inp); 2901 } else { 2902 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2903 error = EINVAL; 2904 } 2905 } 2906 break; 2907 } 2908 case SCTP_PEER_AUTH_CHUNKS: 2909 { 2910 struct sctp_authchunks *sac; 2911 sctp_auth_chklist_t *chklist = NULL; 2912 size_t size = 0; 2913 2914 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2915 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2916 2917 if (stcb) { 2918 /* get off the assoc */ 2919 chklist = stcb->asoc.peer_auth_chunks; 2920 /* is there enough space? */ 2921 size = sctp_auth_get_chklist_size(chklist); 2922 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2923 error = EINVAL; 2924 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2925 } else { 2926 /* copy in the chunks */ 2927 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2928 sac->gauth_number_of_chunks = (uint32_t) size; 2929 *optsize = sizeof(struct sctp_authchunks) + size; 2930 } 2931 SCTP_TCB_UNLOCK(stcb); 2932 } else { 2933 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2934 error = ENOENT; 2935 } 2936 break; 2937 } 2938 case SCTP_EVENT: 2939 { 2940 struct sctp_event *event; 2941 uint32_t event_type; 2942 2943 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 2944 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 2945 2946 switch (event->se_type) { 2947 case SCTP_ASSOC_CHANGE: 2948 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 2949 break; 2950 case SCTP_PEER_ADDR_CHANGE: 2951 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 2952 break; 2953 case SCTP_REMOTE_ERROR: 2954 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 2955 break; 2956 case SCTP_SEND_FAILED: 2957 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 2958 break; 2959 case SCTP_SHUTDOWN_EVENT: 2960 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 2961 break; 2962 case SCTP_ADAPTATION_INDICATION: 2963 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 2964 break; 2965 case SCTP_PARTIAL_DELIVERY_EVENT: 2966 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 2967 break; 2968 case SCTP_AUTHENTICATION_EVENT: 2969 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 2970 break; 2971 case SCTP_STREAM_RESET_EVENT: 2972 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 2973 break; 2974 case SCTP_SENDER_DRY_EVENT: 2975 event_type = SCTP_PCB_FLAGS_DRYEVNT; 2976 break; 2977 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 2978 event_type = 0; 2979 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 2980 error = ENOTSUP; 2981 break; 2982 case SCTP_ASSOC_RESET_EVENT: 2983 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 2984 break; 2985 case SCTP_STREAM_CHANGE_EVENT: 2986 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 2987 break; 2988 case SCTP_SEND_FAILED_EVENT: 2989 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 2990 break; 2991 default: 2992 event_type = 0; 2993 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2994 error = EINVAL; 2995 break; 2996 } 2997 if (event_type > 0) { 2998 if (stcb) { 2999 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3000 SCTP_TCB_UNLOCK(stcb); 3001 } else { 3002 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3003 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3004 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 3005 SCTP_INP_RLOCK(inp); 3006 event->se_on = sctp_is_feature_on(inp, event_type); 3007 SCTP_INP_RUNLOCK(inp); 3008 } else { 3009 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3010 error = EINVAL; 3011 } 3012 } 3013 } 3014 if (error == 0) { 3015 *optsize = sizeof(struct sctp_event); 3016 } 3017 break; 3018 } 3019 case SCTP_RECVRCVINFO: 3020 { 3021 int onoff; 3022 3023 if (*optsize < sizeof(int)) { 3024 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3025 error = EINVAL; 3026 } else { 3027 SCTP_INP_RLOCK(inp); 3028 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3029 SCTP_INP_RUNLOCK(inp); 3030 } 3031 if (error == 0) { 3032 /* return the option value */ 3033 *(int *)optval = onoff; 3034 *optsize = sizeof(int); 3035 } 3036 break; 3037 } 3038 case SCTP_RECVNXTINFO: 3039 { 3040 int onoff; 3041 3042 if (*optsize < sizeof(int)) { 3043 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3044 error = EINVAL; 3045 } else { 3046 SCTP_INP_RLOCK(inp); 3047 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3048 SCTP_INP_RUNLOCK(inp); 3049 } 3050 if (error == 0) { 3051 /* return the option value */ 3052 *(int *)optval = onoff; 3053 *optsize = sizeof(int); 3054 } 3055 break; 3056 } 3057 case SCTP_DEFAULT_SNDINFO: 3058 { 3059 struct sctp_sndinfo *info; 3060 3061 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3062 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3063 3064 if (stcb) { 3065 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3066 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3067 info->snd_flags &= 0xfff0; 3068 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3069 info->snd_context = stcb->asoc.def_send.sinfo_context; 3070 SCTP_TCB_UNLOCK(stcb); 3071 } else { 3072 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3073 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3074 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3075 SCTP_INP_RLOCK(inp); 3076 info->snd_sid = inp->def_send.sinfo_stream; 3077 info->snd_flags = inp->def_send.sinfo_flags; 3078 info->snd_flags &= 0xfff0; 3079 info->snd_ppid = inp->def_send.sinfo_ppid; 3080 info->snd_context = inp->def_send.sinfo_context; 3081 SCTP_INP_RUNLOCK(inp); 3082 } else { 3083 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3084 error = EINVAL; 3085 } 3086 } 3087 if (error == 0) { 3088 *optsize = sizeof(struct sctp_sndinfo); 3089 } 3090 break; 3091 } 3092 case SCTP_DEFAULT_PRINFO: 3093 { 3094 struct sctp_default_prinfo *info; 3095 3096 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3097 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3098 3099 if (stcb) { 3100 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3101 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3102 SCTP_TCB_UNLOCK(stcb); 3103 } else { 3104 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3105 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3106 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3107 SCTP_INP_RLOCK(inp); 3108 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3109 info->pr_value = inp->def_send.sinfo_timetolive; 3110 SCTP_INP_RUNLOCK(inp); 3111 } else { 3112 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3113 error = EINVAL; 3114 } 3115 } 3116 if (error == 0) { 3117 *optsize = sizeof(struct sctp_default_prinfo); 3118 } 3119 break; 3120 } 3121 case SCTP_PEER_ADDR_THLDS: 3122 { 3123 struct sctp_paddrthlds *thlds; 3124 struct sctp_nets *net; 3125 3126 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3127 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3128 3129 net = NULL; 3130 if (stcb) { 3131 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_address); 3132 } else { 3133 /* 3134 * We increment here since 3135 * sctp_findassociation_ep_addr() wil do a 3136 * decrement if it finds the stcb as long as 3137 * the locked tcb (last argument) is NOT a 3138 * TCB.. aka NULL. 3139 */ 3140 SCTP_INP_INCR_REF(inp); 3141 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&thlds->spt_address, &net, NULL, NULL); 3142 if (stcb == NULL) { 3143 SCTP_INP_DECR_REF(inp); 3144 } 3145 } 3146 if (stcb && (net == NULL)) { 3147 struct sockaddr *sa; 3148 3149 sa = (struct sockaddr *)&thlds->spt_address; 3150#ifdef INET 3151 if (sa->sa_family == AF_INET) { 3152 struct sockaddr_in *sin; 3153 3154 sin = (struct sockaddr_in *)sa; 3155 if (sin->sin_addr.s_addr) { 3156 error = EINVAL; 3157 SCTP_TCB_UNLOCK(stcb); 3158 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3159 break; 3160 } 3161 } else 3162#endif 3163#ifdef INET6 3164 if (sa->sa_family == AF_INET6) { 3165 struct sockaddr_in6 *sin6; 3166 3167 sin6 = (struct sockaddr_in6 *)sa; 3168 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3169 error = EINVAL; 3170 SCTP_TCB_UNLOCK(stcb); 3171 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3172 break; 3173 } 3174 } else 3175#endif 3176 { 3177 error = EAFNOSUPPORT; 3178 SCTP_TCB_UNLOCK(stcb); 3179 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3180 break; 3181 } 3182 } 3183 if (stcb) { 3184 if (net) { 3185 thlds->spt_pathmaxrxt = net->failure_threshold; 3186 thlds->spt_pathpfthld = net->pf_threshold; 3187 } else { 3188 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3189 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3190 } 3191 thlds->spt_assoc_id = sctp_get_associd(stcb); 3192 SCTP_TCB_UNLOCK(stcb); 3193 } else { 3194 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3195 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3196 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3197 /* Use endpoint defaults */ 3198 SCTP_INP_RLOCK(inp); 3199 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3200 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3201 SCTP_INP_RUNLOCK(inp); 3202 } else { 3203 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3204 error = EINVAL; 3205 } 3206 } 3207 if (error == 0) { 3208 *optsize = sizeof(struct sctp_paddrthlds); 3209 } 3210 break; 3211 } 3212 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3213 { 3214 struct sctp_udpencaps *encaps; 3215 struct sctp_nets *net; 3216 3217 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3218 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3219 3220 if (stcb) { 3221 net = sctp_findnet(stcb, (struct sockaddr *)&encaps->sue_address); 3222 } else { 3223 /* 3224 * We increment here since 3225 * sctp_findassociation_ep_addr() wil do a 3226 * decrement if it finds the stcb as long as 3227 * the locked tcb (last argument) is NOT a 3228 * TCB.. aka NULL. 3229 */ 3230 net = NULL; 3231 SCTP_INP_INCR_REF(inp); 3232 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&encaps->sue_address, &net, NULL, NULL); 3233 if (stcb == NULL) { 3234 SCTP_INP_DECR_REF(inp); 3235 } 3236 } 3237 if (stcb && (net == NULL)) { 3238 struct sockaddr *sa; 3239 3240 sa = (struct sockaddr *)&encaps->sue_address; 3241#ifdef INET 3242 if (sa->sa_family == AF_INET) { 3243 struct sockaddr_in *sin; 3244 3245 sin = (struct sockaddr_in *)sa; 3246 if (sin->sin_addr.s_addr) { 3247 error = EINVAL; 3248 SCTP_TCB_UNLOCK(stcb); 3249 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3250 break; 3251 } 3252 } else 3253#endif 3254#ifdef INET6 3255 if (sa->sa_family == AF_INET6) { 3256 struct sockaddr_in6 *sin6; 3257 3258 sin6 = (struct sockaddr_in6 *)sa; 3259 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3260 error = EINVAL; 3261 SCTP_TCB_UNLOCK(stcb); 3262 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3263 break; 3264 } 3265 } else 3266#endif 3267 { 3268 error = EAFNOSUPPORT; 3269 SCTP_TCB_UNLOCK(stcb); 3270 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3271 break; 3272 } 3273 } 3274 if (stcb) { 3275 if (net) { 3276 encaps->sue_port = net->port; 3277 } else { 3278 encaps->sue_port = stcb->asoc.port; 3279 } 3280 SCTP_TCB_UNLOCK(stcb); 3281 } else { 3282 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3283 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3284 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3285 SCTP_INP_RLOCK(inp); 3286 encaps->sue_port = inp->sctp_ep.port; 3287 SCTP_INP_RUNLOCK(inp); 3288 } else { 3289 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3290 error = EINVAL; 3291 } 3292 } 3293 if (error == 0) { 3294 *optsize = sizeof(struct sctp_udpencaps); 3295 } 3296 break; 3297 } 3298 case SCTP_ECN_SUPPORTED: 3299 { 3300 struct sctp_assoc_value *av; 3301 3302 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3303 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3304 3305 if (stcb) { 3306 av->assoc_value = stcb->asoc.ecn_supported; 3307 SCTP_TCB_UNLOCK(stcb); 3308 } else { 3309 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3310 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3311 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3312 SCTP_INP_RLOCK(inp); 3313 av->assoc_value = inp->ecn_supported; 3314 SCTP_INP_RUNLOCK(inp); 3315 } else { 3316 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3317 error = EINVAL; 3318 } 3319 } 3320 if (error == 0) { 3321 *optsize = sizeof(struct sctp_assoc_value); 3322 } 3323 break; 3324 } 3325 case SCTP_PR_SUPPORTED: 3326 { 3327 struct sctp_assoc_value *av; 3328 3329 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3330 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3331 3332 if (stcb) { 3333 av->assoc_value = stcb->asoc.prsctp_supported; 3334 SCTP_TCB_UNLOCK(stcb); 3335 } else { 3336 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3337 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3338 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3339 SCTP_INP_RLOCK(inp); 3340 av->assoc_value = inp->prsctp_supported; 3341 SCTP_INP_RUNLOCK(inp); 3342 } else { 3343 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3344 error = EINVAL; 3345 } 3346 } 3347 if (error == 0) { 3348 *optsize = sizeof(struct sctp_assoc_value); 3349 } 3350 break; 3351 } 3352 case SCTP_AUTH_SUPPORTED: 3353 { 3354 struct sctp_assoc_value *av; 3355 3356 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3357 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3358 3359 if (stcb) { 3360 av->assoc_value = stcb->asoc.auth_supported; 3361 SCTP_TCB_UNLOCK(stcb); 3362 } else { 3363 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3364 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3365 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3366 SCTP_INP_RLOCK(inp); 3367 av->assoc_value = inp->auth_supported; 3368 SCTP_INP_RUNLOCK(inp); 3369 } else { 3370 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3371 error = EINVAL; 3372 } 3373 } 3374 if (error == 0) { 3375 *optsize = sizeof(struct sctp_assoc_value); 3376 } 3377 break; 3378 } 3379 case SCTP_ASCONF_SUPPORTED: 3380 { 3381 struct sctp_assoc_value *av; 3382 3383 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3384 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3385 3386 if (stcb) { 3387 av->assoc_value = stcb->asoc.asconf_supported; 3388 SCTP_TCB_UNLOCK(stcb); 3389 } else { 3390 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3391 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3392 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3393 SCTP_INP_RLOCK(inp); 3394 av->assoc_value = inp->asconf_supported; 3395 SCTP_INP_RUNLOCK(inp); 3396 } else { 3397 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3398 error = EINVAL; 3399 } 3400 } 3401 if (error == 0) { 3402 *optsize = sizeof(struct sctp_assoc_value); 3403 } 3404 break; 3405 } 3406 case SCTP_RECONFIG_SUPPORTED: 3407 { 3408 struct sctp_assoc_value *av; 3409 3410 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3411 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3412 3413 if (stcb) { 3414 av->assoc_value = stcb->asoc.reconfig_supported; 3415 SCTP_TCB_UNLOCK(stcb); 3416 } else { 3417 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3418 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3419 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3420 SCTP_INP_RLOCK(inp); 3421 av->assoc_value = inp->reconfig_supported; 3422 SCTP_INP_RUNLOCK(inp); 3423 } else { 3424 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3425 error = EINVAL; 3426 } 3427 } 3428 if (error == 0) { 3429 *optsize = sizeof(struct sctp_assoc_value); 3430 } 3431 break; 3432 } 3433 case SCTP_NRSACK_SUPPORTED: 3434 { 3435 struct sctp_assoc_value *av; 3436 3437 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3438 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3439 3440 if (stcb) { 3441 av->assoc_value = stcb->asoc.nrsack_supported; 3442 SCTP_TCB_UNLOCK(stcb); 3443 } else { 3444 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3445 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3446 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3447 SCTP_INP_RLOCK(inp); 3448 av->assoc_value = inp->nrsack_supported; 3449 SCTP_INP_RUNLOCK(inp); 3450 } else { 3451 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3452 error = EINVAL; 3453 } 3454 } 3455 if (error == 0) { 3456 *optsize = sizeof(struct sctp_assoc_value); 3457 } 3458 break; 3459 } 3460 case SCTP_PKTDROP_SUPPORTED: 3461 { 3462 struct sctp_assoc_value *av; 3463 3464 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3465 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3466 3467 if (stcb) { 3468 av->assoc_value = stcb->asoc.pktdrop_supported; 3469 SCTP_TCB_UNLOCK(stcb); 3470 } else { 3471 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3472 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3473 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3474 SCTP_INP_RLOCK(inp); 3475 av->assoc_value = inp->pktdrop_supported; 3476 SCTP_INP_RUNLOCK(inp); 3477 } else { 3478 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3479 error = EINVAL; 3480 } 3481 } 3482 if (error == 0) { 3483 *optsize = sizeof(struct sctp_assoc_value); 3484 } 3485 break; 3486 } 3487 case SCTP_ENABLE_STREAM_RESET: 3488 { 3489 struct sctp_assoc_value *av; 3490 3491 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3492 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3493 3494 if (stcb) { 3495 av->assoc_value = (uint32_t) stcb->asoc.local_strreset_support; 3496 SCTP_TCB_UNLOCK(stcb); 3497 } else { 3498 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3499 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3500 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3501 SCTP_INP_RLOCK(inp); 3502 av->assoc_value = (uint32_t) inp->local_strreset_support; 3503 SCTP_INP_RUNLOCK(inp); 3504 } else { 3505 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3506 error = EINVAL; 3507 } 3508 } 3509 if (error == 0) { 3510 *optsize = sizeof(struct sctp_assoc_value); 3511 } 3512 break; 3513 } 3514 case SCTP_PR_STREAM_STATUS: 3515 { 3516 struct sctp_prstatus *sprstat; 3517 uint16_t sid; 3518 uint16_t policy; 3519 3520 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3521 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3522 3523 sid = sprstat->sprstat_sid; 3524 policy = sprstat->sprstat_policy; 3525#if defined(SCTP_DETAILED_STR_STATS) 3526 if ((stcb != NULL) && 3527 (policy != SCTP_PR_SCTP_NONE) && 3528 (sid < stcb->asoc.streamoutcnt) && 3529 ((policy == SCTP_PR_SCTP_ALL) || 3530 (PR_SCTP_VALID_POLICY(policy)))) { 3531#else 3532 if ((stcb != NULL) && 3533 (policy != SCTP_PR_SCTP_NONE) && 3534 (sid < stcb->asoc.streamoutcnt) && 3535 (policy == SCTP_PR_SCTP_ALL)) { 3536#endif 3537 if (policy == SCTP_PR_SCTP_ALL) { 3538 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3539 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3540 } else { 3541 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3542 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3543 } 3544 SCTP_TCB_UNLOCK(stcb); 3545 *optsize = sizeof(struct sctp_prstatus); 3546 } else { 3547 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3548 error = EINVAL; 3549 } 3550 break; 3551 } 3552 case SCTP_PR_ASSOC_STATUS: 3553 { 3554 struct sctp_prstatus *sprstat; 3555 uint16_t policy; 3556 3557 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3558 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3559 3560 policy = sprstat->sprstat_policy; 3561 if ((stcb != NULL) && 3562 (policy != SCTP_PR_SCTP_NONE) && 3563 ((policy == SCTP_PR_SCTP_ALL) || 3564 (PR_SCTP_VALID_POLICY(policy)))) { 3565 if (policy == SCTP_PR_SCTP_ALL) { 3566 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3567 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3568 } else { 3569 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3570 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3571 } 3572 SCTP_TCB_UNLOCK(stcb); 3573 *optsize = sizeof(struct sctp_prstatus); 3574 } else { 3575 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3576 error = EINVAL; 3577 } 3578 break; 3579 } 3580 default: 3581 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3582 error = ENOPROTOOPT; 3583 break; 3584 } /* end switch (sopt->sopt_name) */ 3585 if (error) { 3586 *optsize = 0; 3587 } 3588 return (error); 3589} 3590 3591static int 3592sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3593 void *p) 3594{ 3595 int error, set_opt; 3596 uint32_t *mopt; 3597 struct sctp_tcb *stcb = NULL; 3598 struct sctp_inpcb *inp = NULL; 3599 uint32_t vrf_id; 3600 3601 if (optval == NULL) { 3602 SCTP_PRINTF("optval is NULL\n"); 3603 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3604 return (EINVAL); 3605 } 3606 inp = (struct sctp_inpcb *)so->so_pcb; 3607 if (inp == NULL) { 3608 SCTP_PRINTF("inp is NULL?\n"); 3609 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3610 return (EINVAL); 3611 } 3612 vrf_id = inp->def_vrf_id; 3613 3614 error = 0; 3615 switch (optname) { 3616 case SCTP_NODELAY: 3617 case SCTP_AUTOCLOSE: 3618 case SCTP_AUTO_ASCONF: 3619 case SCTP_EXPLICIT_EOR: 3620 case SCTP_DISABLE_FRAGMENTS: 3621 case SCTP_USE_EXT_RCVINFO: 3622 case SCTP_I_WANT_MAPPED_V4_ADDR: 3623 /* copy in the option value */ 3624 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3625 set_opt = 0; 3626 if (error) 3627 break; 3628 switch (optname) { 3629 case SCTP_DISABLE_FRAGMENTS: 3630 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3631 break; 3632 case SCTP_AUTO_ASCONF: 3633 /* 3634 * NOTE: we don't really support this flag 3635 */ 3636 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3637 /* only valid for bound all sockets */ 3638 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3639 (*mopt != 0)) { 3640 /* forbidden by admin */ 3641 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3642 return (EPERM); 3643 } 3644 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3645 } else { 3646 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3647 return (EINVAL); 3648 } 3649 break; 3650 case SCTP_EXPLICIT_EOR: 3651 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3652 break; 3653 case SCTP_USE_EXT_RCVINFO: 3654 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3655 break; 3656 case SCTP_I_WANT_MAPPED_V4_ADDR: 3657 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3658 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3659 } else { 3660 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3661 return (EINVAL); 3662 } 3663 break; 3664 case SCTP_NODELAY: 3665 set_opt = SCTP_PCB_FLAGS_NODELAY; 3666 break; 3667 case SCTP_AUTOCLOSE: 3668 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3669 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3670 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3671 return (EINVAL); 3672 } 3673 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3674 /* 3675 * The value is in ticks. Note this does not effect 3676 * old associations, only new ones. 3677 */ 3678 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3679 break; 3680 } 3681 SCTP_INP_WLOCK(inp); 3682 if (*mopt != 0) { 3683 sctp_feature_on(inp, set_opt); 3684 } else { 3685 sctp_feature_off(inp, set_opt); 3686 } 3687 SCTP_INP_WUNLOCK(inp); 3688 break; 3689 case SCTP_REUSE_PORT: 3690 { 3691 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3692 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3693 /* Can't set it after we are bound */ 3694 error = EINVAL; 3695 break; 3696 } 3697 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3698 /* Can't do this for a 1-m socket */ 3699 error = EINVAL; 3700 break; 3701 } 3702 if (optval) 3703 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3704 else 3705 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3706 break; 3707 } 3708 case SCTP_PARTIAL_DELIVERY_POINT: 3709 { 3710 uint32_t *value; 3711 3712 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3713 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3714 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3715 error = EINVAL; 3716 break; 3717 } 3718 inp->partial_delivery_point = *value; 3719 break; 3720 } 3721 case SCTP_FRAGMENT_INTERLEAVE: 3722 /* not yet until we re-write sctp_recvmsg() */ 3723 { 3724 uint32_t *level; 3725 3726 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3727 if (*level == SCTP_FRAG_LEVEL_2) { 3728 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3729 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3730 } else if (*level == SCTP_FRAG_LEVEL_1) { 3731 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3732 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3733 } else if (*level == SCTP_FRAG_LEVEL_0) { 3734 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3735 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3736 3737 } else { 3738 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3739 error = EINVAL; 3740 } 3741 break; 3742 } 3743 case SCTP_CMT_ON_OFF: 3744 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3745 struct sctp_assoc_value *av; 3746 3747 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3748 if (av->assoc_value > SCTP_CMT_MAX) { 3749 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3750 error = EINVAL; 3751 break; 3752 } 3753 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3754 if (stcb) { 3755 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3756 SCTP_TCB_UNLOCK(stcb); 3757 } else { 3758 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3759 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3760 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3761 (av->assoc_id == SCTP_ALL_ASSOC)) { 3762 SCTP_INP_WLOCK(inp); 3763 inp->sctp_cmt_on_off = av->assoc_value; 3764 SCTP_INP_WUNLOCK(inp); 3765 } 3766 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3767 (av->assoc_id == SCTP_ALL_ASSOC)) { 3768 SCTP_INP_RLOCK(inp); 3769 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3770 SCTP_TCB_LOCK(stcb); 3771 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3772 SCTP_TCB_UNLOCK(stcb); 3773 } 3774 SCTP_INP_RUNLOCK(inp); 3775 } 3776 } 3777 } else { 3778 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3779 error = ENOPROTOOPT; 3780 } 3781 break; 3782 case SCTP_PLUGGABLE_CC: 3783 { 3784 struct sctp_assoc_value *av; 3785 struct sctp_nets *net; 3786 3787 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3788 if ((av->assoc_value != SCTP_CC_RFC2581) && 3789 (av->assoc_value != SCTP_CC_HSTCP) && 3790 (av->assoc_value != SCTP_CC_HTCP) && 3791 (av->assoc_value != SCTP_CC_RTCC)) { 3792 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3793 error = EINVAL; 3794 break; 3795 } 3796 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3797 if (stcb) { 3798 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3799 stcb->asoc.congestion_control_module = av->assoc_value; 3800 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3801 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3802 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3803 } 3804 } 3805 SCTP_TCB_UNLOCK(stcb); 3806 } else { 3807 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3808 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3809 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3810 (av->assoc_id == SCTP_ALL_ASSOC)) { 3811 SCTP_INP_WLOCK(inp); 3812 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3813 SCTP_INP_WUNLOCK(inp); 3814 } 3815 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3816 (av->assoc_id == SCTP_ALL_ASSOC)) { 3817 SCTP_INP_RLOCK(inp); 3818 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3819 SCTP_TCB_LOCK(stcb); 3820 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3821 stcb->asoc.congestion_control_module = av->assoc_value; 3822 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3823 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3824 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3825 } 3826 } 3827 SCTP_TCB_UNLOCK(stcb); 3828 } 3829 SCTP_INP_RUNLOCK(inp); 3830 } 3831 } 3832 break; 3833 } 3834 case SCTP_CC_OPTION: 3835 { 3836 struct sctp_cc_option *cc_opt; 3837 3838 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 3839 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 3840 if (stcb == NULL) { 3841 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 3842 SCTP_INP_RLOCK(inp); 3843 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3844 SCTP_TCB_LOCK(stcb); 3845 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 3846 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 3847 } 3848 SCTP_TCB_UNLOCK(stcb); 3849 } 3850 SCTP_INP_RUNLOCK(inp); 3851 } else { 3852 error = EINVAL; 3853 } 3854 } else { 3855 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 3856 error = ENOTSUP; 3857 } else { 3858 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 3859 cc_opt); 3860 } 3861 SCTP_TCB_UNLOCK(stcb); 3862 } 3863 break; 3864 } 3865 case SCTP_PLUGGABLE_SS: 3866 { 3867 struct sctp_assoc_value *av; 3868 3869 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3870 if ((av->assoc_value != SCTP_SS_DEFAULT) && 3871 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 3872 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 3873 (av->assoc_value != SCTP_SS_PRIORITY) && 3874 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 3875 (av->assoc_value != SCTP_SS_FIRST_COME)) { 3876 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3877 error = EINVAL; 3878 break; 3879 } 3880 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3881 if (stcb) { 3882 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 3883 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 3884 stcb->asoc.stream_scheduling_module = av->assoc_value; 3885 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 3886 SCTP_TCB_UNLOCK(stcb); 3887 } else { 3888 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3889 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3890 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3891 (av->assoc_id == SCTP_ALL_ASSOC)) { 3892 SCTP_INP_WLOCK(inp); 3893 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 3894 SCTP_INP_WUNLOCK(inp); 3895 } 3896 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3897 (av->assoc_id == SCTP_ALL_ASSOC)) { 3898 SCTP_INP_RLOCK(inp); 3899 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3900 SCTP_TCB_LOCK(stcb); 3901 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 3902 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 3903 stcb->asoc.stream_scheduling_module = av->assoc_value; 3904 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 3905 SCTP_TCB_UNLOCK(stcb); 3906 } 3907 SCTP_INP_RUNLOCK(inp); 3908 } 3909 } 3910 break; 3911 } 3912 case SCTP_SS_VALUE: 3913 { 3914 struct sctp_stream_value *av; 3915 3916 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 3917 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3918 if (stcb) { 3919 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 3920 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 3921 av->stream_value) < 0)) { 3922 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3923 error = EINVAL; 3924 } 3925 SCTP_TCB_UNLOCK(stcb); 3926 } else { 3927 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 3928 SCTP_INP_RLOCK(inp); 3929 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3930 SCTP_TCB_LOCK(stcb); 3931 if (av->stream_id < stcb->asoc.streamoutcnt) { 3932 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 3933 &stcb->asoc, 3934 &stcb->asoc.strmout[av->stream_id], 3935 av->stream_value); 3936 } 3937 SCTP_TCB_UNLOCK(stcb); 3938 } 3939 SCTP_INP_RUNLOCK(inp); 3940 3941 } else { 3942 /* 3943 * Can't set stream value without 3944 * association 3945 */ 3946 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3947 error = EINVAL; 3948 } 3949 } 3950 break; 3951 } 3952 case SCTP_CLR_STAT_LOG: 3953 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3954 error = EOPNOTSUPP; 3955 break; 3956 case SCTP_CONTEXT: 3957 { 3958 struct sctp_assoc_value *av; 3959 3960 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3961 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3962 3963 if (stcb) { 3964 stcb->asoc.context = av->assoc_value; 3965 SCTP_TCB_UNLOCK(stcb); 3966 } else { 3967 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3968 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3969 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3970 (av->assoc_id == SCTP_ALL_ASSOC)) { 3971 SCTP_INP_WLOCK(inp); 3972 inp->sctp_context = av->assoc_value; 3973 SCTP_INP_WUNLOCK(inp); 3974 } 3975 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3976 (av->assoc_id == SCTP_ALL_ASSOC)) { 3977 SCTP_INP_RLOCK(inp); 3978 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3979 SCTP_TCB_LOCK(stcb); 3980 stcb->asoc.context = av->assoc_value; 3981 SCTP_TCB_UNLOCK(stcb); 3982 } 3983 SCTP_INP_RUNLOCK(inp); 3984 } 3985 } 3986 break; 3987 } 3988 case SCTP_VRF_ID: 3989 { 3990 uint32_t *default_vrfid; 3991 3992 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 3993 if (*default_vrfid > SCTP_MAX_VRF_ID) { 3994 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3995 error = EINVAL; 3996 break; 3997 } 3998 inp->def_vrf_id = *default_vrfid; 3999 break; 4000 } 4001 case SCTP_DEL_VRF_ID: 4002 { 4003 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4004 error = EOPNOTSUPP; 4005 break; 4006 } 4007 case SCTP_ADD_VRF_ID: 4008 { 4009 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4010 error = EOPNOTSUPP; 4011 break; 4012 } 4013 case SCTP_DELAYED_SACK: 4014 { 4015 struct sctp_sack_info *sack; 4016 4017 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4018 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4019 if (sack->sack_delay) { 4020 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 4021 sack->sack_delay = SCTP_MAX_SACK_DELAY; 4022 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 4023 sack->sack_delay = TICKS_TO_MSEC(1); 4024 } 4025 } 4026 if (stcb) { 4027 if (sack->sack_delay) { 4028 stcb->asoc.delayed_ack = sack->sack_delay; 4029 } 4030 if (sack->sack_freq) { 4031 stcb->asoc.sack_freq = sack->sack_freq; 4032 } 4033 SCTP_TCB_UNLOCK(stcb); 4034 } else { 4035 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4036 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4037 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4038 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4039 SCTP_INP_WLOCK(inp); 4040 if (sack->sack_delay) { 4041 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 4042 } 4043 if (sack->sack_freq) { 4044 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4045 } 4046 SCTP_INP_WUNLOCK(inp); 4047 } 4048 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4049 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4050 SCTP_INP_RLOCK(inp); 4051 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4052 SCTP_TCB_LOCK(stcb); 4053 if (sack->sack_delay) { 4054 stcb->asoc.delayed_ack = sack->sack_delay; 4055 } 4056 if (sack->sack_freq) { 4057 stcb->asoc.sack_freq = sack->sack_freq; 4058 } 4059 SCTP_TCB_UNLOCK(stcb); 4060 } 4061 SCTP_INP_RUNLOCK(inp); 4062 } 4063 } 4064 break; 4065 } 4066 case SCTP_AUTH_CHUNK: 4067 { 4068 struct sctp_authchunk *sauth; 4069 4070 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4071 4072 SCTP_INP_WLOCK(inp); 4073 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4074 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4075 error = EINVAL; 4076 } 4077 SCTP_INP_WUNLOCK(inp); 4078 break; 4079 } 4080 case SCTP_AUTH_KEY: 4081 { 4082 struct sctp_authkey *sca; 4083 struct sctp_keyhead *shared_keys; 4084 sctp_sharedkey_t *shared_key; 4085 sctp_key_t *key = NULL; 4086 size_t size; 4087 4088 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4089 if (sca->sca_keylength == 0) { 4090 size = optsize - sizeof(struct sctp_authkey); 4091 } else { 4092 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4093 size = sca->sca_keylength; 4094 } else { 4095 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4096 error = EINVAL; 4097 break; 4098 } 4099 } 4100 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4101 4102 if (stcb) { 4103 shared_keys = &stcb->asoc.shared_keys; 4104 /* clear the cached keys for this key id */ 4105 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4106 /* 4107 * create the new shared key and 4108 * insert/replace it 4109 */ 4110 if (size > 0) { 4111 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4112 if (key == NULL) { 4113 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4114 error = ENOMEM; 4115 SCTP_TCB_UNLOCK(stcb); 4116 break; 4117 } 4118 } 4119 shared_key = sctp_alloc_sharedkey(); 4120 if (shared_key == NULL) { 4121 sctp_free_key(key); 4122 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4123 error = ENOMEM; 4124 SCTP_TCB_UNLOCK(stcb); 4125 break; 4126 } 4127 shared_key->key = key; 4128 shared_key->keyid = sca->sca_keynumber; 4129 error = sctp_insert_sharedkey(shared_keys, shared_key); 4130 SCTP_TCB_UNLOCK(stcb); 4131 } else { 4132 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4133 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4134 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4135 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4136 SCTP_INP_WLOCK(inp); 4137 shared_keys = &inp->sctp_ep.shared_keys; 4138 /* 4139 * clear the cached keys on all 4140 * assocs for this key id 4141 */ 4142 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4143 /* 4144 * create the new shared key and 4145 * insert/replace it 4146 */ 4147 if (size > 0) { 4148 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4149 if (key == NULL) { 4150 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4151 error = ENOMEM; 4152 SCTP_INP_WUNLOCK(inp); 4153 break; 4154 } 4155 } 4156 shared_key = sctp_alloc_sharedkey(); 4157 if (shared_key == NULL) { 4158 sctp_free_key(key); 4159 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4160 error = ENOMEM; 4161 SCTP_INP_WUNLOCK(inp); 4162 break; 4163 } 4164 shared_key->key = key; 4165 shared_key->keyid = sca->sca_keynumber; 4166 error = sctp_insert_sharedkey(shared_keys, shared_key); 4167 SCTP_INP_WUNLOCK(inp); 4168 } 4169 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4170 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4171 SCTP_INP_RLOCK(inp); 4172 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4173 SCTP_TCB_LOCK(stcb); 4174 shared_keys = &stcb->asoc.shared_keys; 4175 /* 4176 * clear the cached keys for 4177 * this key id 4178 */ 4179 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4180 /* 4181 * create the new shared key 4182 * and insert/replace it 4183 */ 4184 if (size > 0) { 4185 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4186 if (key == NULL) { 4187 SCTP_TCB_UNLOCK(stcb); 4188 continue; 4189 } 4190 } 4191 shared_key = sctp_alloc_sharedkey(); 4192 if (shared_key == NULL) { 4193 sctp_free_key(key); 4194 SCTP_TCB_UNLOCK(stcb); 4195 continue; 4196 } 4197 shared_key->key = key; 4198 shared_key->keyid = sca->sca_keynumber; 4199 error = sctp_insert_sharedkey(shared_keys, shared_key); 4200 SCTP_TCB_UNLOCK(stcb); 4201 } 4202 SCTP_INP_RUNLOCK(inp); 4203 } 4204 } 4205 break; 4206 } 4207 case SCTP_HMAC_IDENT: 4208 { 4209 struct sctp_hmacalgo *shmac; 4210 sctp_hmaclist_t *hmaclist; 4211 uint16_t hmacid; 4212 uint32_t i; 4213 4214 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4215 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4216 (shmac->shmac_number_of_idents > 0xffff)) { 4217 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4218 error = EINVAL; 4219 break; 4220 } 4221 hmaclist = sctp_alloc_hmaclist((uint16_t) shmac->shmac_number_of_idents); 4222 if (hmaclist == NULL) { 4223 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4224 error = ENOMEM; 4225 break; 4226 } 4227 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4228 hmacid = shmac->shmac_idents[i]; 4229 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4230 /* invalid HMACs were found */ ; 4231 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4232 error = EINVAL; 4233 sctp_free_hmaclist(hmaclist); 4234 goto sctp_set_hmac_done; 4235 } 4236 } 4237 for (i = 0; i < hmaclist->num_algo; i++) { 4238 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4239 /* already in list */ 4240 break; 4241 } 4242 } 4243 if (i == hmaclist->num_algo) { 4244 /* not found in list */ 4245 sctp_free_hmaclist(hmaclist); 4246 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4247 error = EINVAL; 4248 break; 4249 } 4250 /* set it on the endpoint */ 4251 SCTP_INP_WLOCK(inp); 4252 if (inp->sctp_ep.local_hmacs) 4253 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4254 inp->sctp_ep.local_hmacs = hmaclist; 4255 SCTP_INP_WUNLOCK(inp); 4256 sctp_set_hmac_done: 4257 break; 4258 } 4259 case SCTP_AUTH_ACTIVE_KEY: 4260 { 4261 struct sctp_authkeyid *scact; 4262 4263 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4264 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4265 4266 /* set the active key on the right place */ 4267 if (stcb) { 4268 /* set the active key on the assoc */ 4269 if (sctp_auth_setactivekey(stcb, 4270 scact->scact_keynumber)) { 4271 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4272 SCTP_FROM_SCTP_USRREQ, 4273 EINVAL); 4274 error = EINVAL; 4275 } 4276 SCTP_TCB_UNLOCK(stcb); 4277 } else { 4278 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4279 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4280 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4281 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4282 SCTP_INP_WLOCK(inp); 4283 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4284 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4285 error = EINVAL; 4286 } 4287 SCTP_INP_WUNLOCK(inp); 4288 } 4289 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4290 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4291 SCTP_INP_RLOCK(inp); 4292 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4293 SCTP_TCB_LOCK(stcb); 4294 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4295 SCTP_TCB_UNLOCK(stcb); 4296 } 4297 SCTP_INP_RUNLOCK(inp); 4298 } 4299 } 4300 break; 4301 } 4302 case SCTP_AUTH_DELETE_KEY: 4303 { 4304 struct sctp_authkeyid *scdel; 4305 4306 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4307 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4308 4309 /* delete the key from the right place */ 4310 if (stcb) { 4311 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4312 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4313 error = EINVAL; 4314 } 4315 SCTP_TCB_UNLOCK(stcb); 4316 } else { 4317 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4318 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4319 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4320 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4321 SCTP_INP_WLOCK(inp); 4322 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4323 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4324 error = EINVAL; 4325 } 4326 SCTP_INP_WUNLOCK(inp); 4327 } 4328 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4329 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4330 SCTP_INP_RLOCK(inp); 4331 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4332 SCTP_TCB_LOCK(stcb); 4333 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4334 SCTP_TCB_UNLOCK(stcb); 4335 } 4336 SCTP_INP_RUNLOCK(inp); 4337 } 4338 } 4339 break; 4340 } 4341 case SCTP_AUTH_DEACTIVATE_KEY: 4342 { 4343 struct sctp_authkeyid *keyid; 4344 4345 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4346 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4347 4348 /* deactivate the key from the right place */ 4349 if (stcb) { 4350 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4351 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4352 error = EINVAL; 4353 } 4354 SCTP_TCB_UNLOCK(stcb); 4355 } else { 4356 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4357 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4358 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4359 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4360 SCTP_INP_WLOCK(inp); 4361 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4362 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4363 error = EINVAL; 4364 } 4365 SCTP_INP_WUNLOCK(inp); 4366 } 4367 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4368 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4369 SCTP_INP_RLOCK(inp); 4370 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4371 SCTP_TCB_LOCK(stcb); 4372 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4373 SCTP_TCB_UNLOCK(stcb); 4374 } 4375 SCTP_INP_RUNLOCK(inp); 4376 } 4377 } 4378 break; 4379 } 4380 case SCTP_ENABLE_STREAM_RESET: 4381 { 4382 struct sctp_assoc_value *av; 4383 4384 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4385 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4386 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4387 error = EINVAL; 4388 break; 4389 } 4390 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4391 if (stcb) { 4392 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4393 SCTP_TCB_UNLOCK(stcb); 4394 } else { 4395 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4396 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4397 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4398 (av->assoc_id == SCTP_ALL_ASSOC)) { 4399 SCTP_INP_WLOCK(inp); 4400 inp->local_strreset_support = (uint8_t) av->assoc_value; 4401 SCTP_INP_WUNLOCK(inp); 4402 } 4403 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4404 (av->assoc_id == SCTP_ALL_ASSOC)) { 4405 SCTP_INP_RLOCK(inp); 4406 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4407 SCTP_TCB_LOCK(stcb); 4408 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4409 SCTP_TCB_UNLOCK(stcb); 4410 } 4411 SCTP_INP_RUNLOCK(inp); 4412 } 4413 } 4414 break; 4415 } 4416 case SCTP_RESET_STREAMS: 4417 { 4418 struct sctp_reset_streams *strrst; 4419 int i, send_out = 0; 4420 int send_in = 0; 4421 4422 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4423 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4424 if (stcb == NULL) { 4425 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4426 error = ENOENT; 4427 break; 4428 } 4429 if (stcb->asoc.reconfig_supported == 0) { 4430 /* 4431 * Peer does not support the chunk type. 4432 */ 4433 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4434 error = EOPNOTSUPP; 4435 SCTP_TCB_UNLOCK(stcb); 4436 break; 4437 } 4438 if (sizeof(struct sctp_reset_streams) + 4439 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4440 error = EINVAL; 4441 SCTP_TCB_UNLOCK(stcb); 4442 break; 4443 } 4444 if (stcb->asoc.stream_reset_outstanding) { 4445 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4446 error = EALREADY; 4447 SCTP_TCB_UNLOCK(stcb); 4448 break; 4449 } 4450 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4451 send_in = 1; 4452 } 4453 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4454 send_out = 1; 4455 } 4456 if ((send_in == 0) && (send_out == 0)) { 4457 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4458 error = EINVAL; 4459 SCTP_TCB_UNLOCK(stcb); 4460 break; 4461 } 4462 for (i = 0; i < strrst->srs_number_streams; i++) { 4463 if ((send_in) && 4464 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) { 4465 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4466 error = EINVAL; 4467 break; 4468 } 4469 if ((send_out) && 4470 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) { 4471 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4472 error = EINVAL; 4473 break; 4474 } 4475 } 4476 if (error) { 4477 SCTP_TCB_UNLOCK(stcb); 4478 break; 4479 } 4480 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4481 strrst->srs_stream_list, 4482 send_out, send_in, 0, 0, 0, 0, 0); 4483 4484 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4485 SCTP_TCB_UNLOCK(stcb); 4486 break; 4487 } 4488 case SCTP_ADD_STREAMS: 4489 { 4490 struct sctp_add_streams *stradd; 4491 uint8_t addstream = 0; 4492 uint16_t add_o_strmcnt = 0; 4493 uint16_t add_i_strmcnt = 0; 4494 4495 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4496 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4497 if (stcb == NULL) { 4498 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4499 error = ENOENT; 4500 break; 4501 } 4502 if (stcb->asoc.reconfig_supported == 0) { 4503 /* 4504 * Peer does not support the chunk type. 4505 */ 4506 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4507 error = EOPNOTSUPP; 4508 SCTP_TCB_UNLOCK(stcb); 4509 break; 4510 } 4511 if (stcb->asoc.stream_reset_outstanding) { 4512 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4513 error = EALREADY; 4514 SCTP_TCB_UNLOCK(stcb); 4515 break; 4516 } 4517 if ((stradd->sas_outstrms == 0) && 4518 (stradd->sas_instrms == 0)) { 4519 error = EINVAL; 4520 goto skip_stuff; 4521 } 4522 if (stradd->sas_outstrms) { 4523 addstream = 1; 4524 /* We allocate here */ 4525 add_o_strmcnt = stradd->sas_outstrms; 4526 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4527 /* You can't have more than 64k */ 4528 error = EINVAL; 4529 goto skip_stuff; 4530 } 4531 } 4532 if (stradd->sas_instrms) { 4533 int cnt; 4534 4535 addstream |= 2; 4536 /* 4537 * We allocate inside 4538 * sctp_send_str_reset_req() 4539 */ 4540 add_i_strmcnt = stradd->sas_instrms; 4541 cnt = add_i_strmcnt; 4542 cnt += stcb->asoc.streamincnt; 4543 if (cnt > 0x0000ffff) { 4544 /* You can't have more than 64k */ 4545 error = EINVAL; 4546 goto skip_stuff; 4547 } 4548 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4549 /* More than you are allowed */ 4550 error = EINVAL; 4551 goto skip_stuff; 4552 } 4553 } 4554 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4555 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4556 skip_stuff: 4557 SCTP_TCB_UNLOCK(stcb); 4558 break; 4559 } 4560 case SCTP_RESET_ASSOC: 4561 { 4562 uint32_t *value; 4563 4564 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4565 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 4566 if (stcb == NULL) { 4567 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4568 error = ENOENT; 4569 break; 4570 } 4571 if (stcb->asoc.reconfig_supported == 0) { 4572 /* 4573 * Peer does not support the chunk type. 4574 */ 4575 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4576 error = EOPNOTSUPP; 4577 SCTP_TCB_UNLOCK(stcb); 4578 break; 4579 } 4580 if (stcb->asoc.stream_reset_outstanding) { 4581 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4582 error = EALREADY; 4583 SCTP_TCB_UNLOCK(stcb); 4584 break; 4585 } 4586 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 1, 0, 0, 0, 0); 4587 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4588 SCTP_TCB_UNLOCK(stcb); 4589 break; 4590 } 4591 case SCTP_CONNECT_X: 4592 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4593 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4594 error = EINVAL; 4595 break; 4596 } 4597 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4598 break; 4599 case SCTP_CONNECT_X_DELAYED: 4600 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4601 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4602 error = EINVAL; 4603 break; 4604 } 4605 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4606 break; 4607 case SCTP_CONNECT_X_COMPLETE: 4608 { 4609 struct sockaddr *sa; 4610 struct sctp_nets *net; 4611 4612 /* FIXME MT: check correct? */ 4613 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4614 4615 /* find tcb */ 4616 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4617 SCTP_INP_RLOCK(inp); 4618 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4619 if (stcb) { 4620 SCTP_TCB_LOCK(stcb); 4621 net = sctp_findnet(stcb, sa); 4622 } 4623 SCTP_INP_RUNLOCK(inp); 4624 } else { 4625 /* 4626 * We increment here since 4627 * sctp_findassociation_ep_addr() wil do a 4628 * decrement if it finds the stcb as long as 4629 * the locked tcb (last argument) is NOT a 4630 * TCB.. aka NULL. 4631 */ 4632 SCTP_INP_INCR_REF(inp); 4633 stcb = sctp_findassociation_ep_addr(&inp, sa, &net, NULL, NULL); 4634 if (stcb == NULL) { 4635 SCTP_INP_DECR_REF(inp); 4636 } 4637 } 4638 4639 if (stcb == NULL) { 4640 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4641 error = ENOENT; 4642 break; 4643 } 4644 if (stcb->asoc.delayed_connection == 1) { 4645 stcb->asoc.delayed_connection = 0; 4646 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4647 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4648 stcb->asoc.primary_destination, 4649 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 4650 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4651 } else { 4652 /* 4653 * already expired or did not use delayed 4654 * connectx 4655 */ 4656 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4657 error = EALREADY; 4658 } 4659 SCTP_TCB_UNLOCK(stcb); 4660 break; 4661 } 4662 case SCTP_MAX_BURST: 4663 { 4664 struct sctp_assoc_value *av; 4665 4666 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4667 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4668 4669 if (stcb) { 4670 stcb->asoc.max_burst = av->assoc_value; 4671 SCTP_TCB_UNLOCK(stcb); 4672 } else { 4673 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4674 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4675 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4676 (av->assoc_id == SCTP_ALL_ASSOC)) { 4677 SCTP_INP_WLOCK(inp); 4678 inp->sctp_ep.max_burst = av->assoc_value; 4679 SCTP_INP_WUNLOCK(inp); 4680 } 4681 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4682 (av->assoc_id == SCTP_ALL_ASSOC)) { 4683 SCTP_INP_RLOCK(inp); 4684 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4685 SCTP_TCB_LOCK(stcb); 4686 stcb->asoc.max_burst = av->assoc_value; 4687 SCTP_TCB_UNLOCK(stcb); 4688 } 4689 SCTP_INP_RUNLOCK(inp); 4690 } 4691 } 4692 break; 4693 } 4694 case SCTP_MAXSEG: 4695 { 4696 struct sctp_assoc_value *av; 4697 int ovh; 4698 4699 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4700 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4701 4702 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4703 ovh = SCTP_MED_OVERHEAD; 4704 } else { 4705 ovh = SCTP_MED_V4_OVERHEAD; 4706 } 4707 if (stcb) { 4708 if (av->assoc_value) { 4709 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4710 } else { 4711 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4712 } 4713 SCTP_TCB_UNLOCK(stcb); 4714 } else { 4715 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4716 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4717 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4718 SCTP_INP_WLOCK(inp); 4719 /* 4720 * FIXME MT: I think this is not in 4721 * tune with the API ID 4722 */ 4723 if (av->assoc_value) { 4724 inp->sctp_frag_point = (av->assoc_value + ovh); 4725 } else { 4726 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4727 } 4728 SCTP_INP_WUNLOCK(inp); 4729 } else { 4730 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4731 error = EINVAL; 4732 } 4733 } 4734 break; 4735 } 4736 case SCTP_EVENTS: 4737 { 4738 struct sctp_event_subscribe *events; 4739 4740 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 4741 4742 SCTP_INP_WLOCK(inp); 4743 if (events->sctp_data_io_event) { 4744 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4745 } else { 4746 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4747 } 4748 4749 if (events->sctp_association_event) { 4750 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4751 } else { 4752 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4753 } 4754 4755 if (events->sctp_address_event) { 4756 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4757 } else { 4758 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4759 } 4760 4761 if (events->sctp_send_failure_event) { 4762 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4763 } else { 4764 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4765 } 4766 4767 if (events->sctp_peer_error_event) { 4768 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4769 } else { 4770 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4771 } 4772 4773 if (events->sctp_shutdown_event) { 4774 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4775 } else { 4776 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4777 } 4778 4779 if (events->sctp_partial_delivery_event) { 4780 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4781 } else { 4782 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4783 } 4784 4785 if (events->sctp_adaptation_layer_event) { 4786 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4787 } else { 4788 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4789 } 4790 4791 if (events->sctp_authentication_event) { 4792 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4793 } else { 4794 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4795 } 4796 4797 if (events->sctp_sender_dry_event) { 4798 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 4799 } else { 4800 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 4801 } 4802 4803 if (events->sctp_stream_reset_event) { 4804 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4805 } else { 4806 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4807 } 4808 SCTP_INP_WUNLOCK(inp); 4809 4810 SCTP_INP_RLOCK(inp); 4811 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4812 SCTP_TCB_LOCK(stcb); 4813 if (events->sctp_association_event) { 4814 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4815 } else { 4816 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4817 } 4818 if (events->sctp_address_event) { 4819 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4820 } else { 4821 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4822 } 4823 if (events->sctp_send_failure_event) { 4824 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4825 } else { 4826 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4827 } 4828 if (events->sctp_peer_error_event) { 4829 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4830 } else { 4831 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4832 } 4833 if (events->sctp_shutdown_event) { 4834 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4835 } else { 4836 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4837 } 4838 if (events->sctp_partial_delivery_event) { 4839 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4840 } else { 4841 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4842 } 4843 if (events->sctp_adaptation_layer_event) { 4844 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4845 } else { 4846 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4847 } 4848 if (events->sctp_authentication_event) { 4849 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4850 } else { 4851 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4852 } 4853 if (events->sctp_sender_dry_event) { 4854 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4855 } else { 4856 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4857 } 4858 if (events->sctp_stream_reset_event) { 4859 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4860 } else { 4861 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4862 } 4863 SCTP_TCB_UNLOCK(stcb); 4864 } 4865 /* 4866 * Send up the sender dry event only for 1-to-1 4867 * style sockets. 4868 */ 4869 if (events->sctp_sender_dry_event) { 4870 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4871 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 4872 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4873 if (stcb) { 4874 SCTP_TCB_LOCK(stcb); 4875 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 4876 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 4877 (stcb->asoc.stream_queue_cnt == 0)) { 4878 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 4879 } 4880 SCTP_TCB_UNLOCK(stcb); 4881 } 4882 } 4883 } 4884 SCTP_INP_RUNLOCK(inp); 4885 break; 4886 } 4887 case SCTP_ADAPTATION_LAYER: 4888 { 4889 struct sctp_setadaptation *adap_bits; 4890 4891 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 4892 SCTP_INP_WLOCK(inp); 4893 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 4894 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 4895 SCTP_INP_WUNLOCK(inp); 4896 break; 4897 } 4898#ifdef SCTP_DEBUG 4899 case SCTP_SET_INITIAL_DBG_SEQ: 4900 { 4901 uint32_t *vvv; 4902 4903 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 4904 SCTP_INP_WLOCK(inp); 4905 inp->sctp_ep.initial_sequence_debug = *vvv; 4906 SCTP_INP_WUNLOCK(inp); 4907 break; 4908 } 4909#endif 4910 case SCTP_DEFAULT_SEND_PARAM: 4911 { 4912 struct sctp_sndrcvinfo *s_info; 4913 4914 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 4915 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 4916 4917 if (stcb) { 4918 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 4919 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 4920 } else { 4921 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4922 error = EINVAL; 4923 } 4924 SCTP_TCB_UNLOCK(stcb); 4925 } else { 4926 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4927 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4928 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 4929 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 4930 SCTP_INP_WLOCK(inp); 4931 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 4932 SCTP_INP_WUNLOCK(inp); 4933 } 4934 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 4935 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 4936 SCTP_INP_RLOCK(inp); 4937 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4938 SCTP_TCB_LOCK(stcb); 4939 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 4940 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 4941 } 4942 SCTP_TCB_UNLOCK(stcb); 4943 } 4944 SCTP_INP_RUNLOCK(inp); 4945 } 4946 } 4947 break; 4948 } 4949 case SCTP_PEER_ADDR_PARAMS: 4950 { 4951 struct sctp_paddrparams *paddrp; 4952 struct sctp_nets *net; 4953 4954 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 4955 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 4956 net = NULL; 4957 if (stcb) { 4958 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 4959 } else { 4960 /* 4961 * We increment here since 4962 * sctp_findassociation_ep_addr() wil do a 4963 * decrement if it finds the stcb as long as 4964 * the locked tcb (last argument) is NOT a 4965 * TCB.. aka NULL. 4966 */ 4967 SCTP_INP_INCR_REF(inp); 4968 stcb = sctp_findassociation_ep_addr(&inp, 4969 (struct sockaddr *)&paddrp->spp_address, 4970 &net, NULL, NULL); 4971 if (stcb == NULL) { 4972 SCTP_INP_DECR_REF(inp); 4973 } 4974 } 4975 if (stcb && (net == NULL)) { 4976 struct sockaddr *sa; 4977 4978 sa = (struct sockaddr *)&paddrp->spp_address; 4979#ifdef INET 4980 if (sa->sa_family == AF_INET) { 4981 4982 struct sockaddr_in *sin; 4983 4984 sin = (struct sockaddr_in *)sa; 4985 if (sin->sin_addr.s_addr) { 4986 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4987 SCTP_TCB_UNLOCK(stcb); 4988 error = EINVAL; 4989 break; 4990 } 4991 } else 4992#endif 4993#ifdef INET6 4994 if (sa->sa_family == AF_INET6) { 4995 struct sockaddr_in6 *sin6; 4996 4997 sin6 = (struct sockaddr_in6 *)sa; 4998 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 4999 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5000 SCTP_TCB_UNLOCK(stcb); 5001 error = EINVAL; 5002 break; 5003 } 5004 } else 5005#endif 5006 { 5007 error = EAFNOSUPPORT; 5008 SCTP_TCB_UNLOCK(stcb); 5009 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5010 break; 5011 } 5012 } 5013 /* sanity checks */ 5014 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5015 if (stcb) 5016 SCTP_TCB_UNLOCK(stcb); 5017 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5018 return (EINVAL); 5019 } 5020 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5021 if (stcb) 5022 SCTP_TCB_UNLOCK(stcb); 5023 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5024 return (EINVAL); 5025 } 5026 if (stcb) { 5027 /************************TCB SPECIFIC SET ******************/ 5028 /* 5029 * do we change the timer for HB, we run 5030 * only one? 5031 */ 5032 int ovh = 0; 5033 5034 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5035 ovh = SCTP_MED_OVERHEAD; 5036 } else { 5037 ovh = SCTP_MED_V4_OVERHEAD; 5038 } 5039 5040 /* network sets ? */ 5041 if (net) { 5042 /************************NET SPECIFIC SET ******************/ 5043 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5044 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5045 !(net->dest_state & SCTP_ADDR_NOHB)) { 5046 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5047 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5048 } 5049 net->dest_state |= SCTP_ADDR_NOHB; 5050 } 5051 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5052 if (paddrp->spp_hbinterval) { 5053 net->heart_beat_delay = paddrp->spp_hbinterval; 5054 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5055 net->heart_beat_delay = 0; 5056 } 5057 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5058 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5059 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5060 net->dest_state &= ~SCTP_ADDR_NOHB; 5061 } 5062 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5063 /* on demand HB */ 5064 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5065 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5066 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5067 } 5068 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5069 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5070 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5071 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5072 } 5073 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5074 net->mtu = paddrp->spp_pathmtu + ovh; 5075 if (net->mtu < stcb->asoc.smallest_mtu) { 5076 sctp_pathmtu_adjustment(stcb, net->mtu); 5077 } 5078 } 5079 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5080 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5081 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5082 } 5083 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5084 } 5085 if (paddrp->spp_pathmaxrxt) { 5086 if (net->dest_state & SCTP_ADDR_PF) { 5087 if (net->error_count > paddrp->spp_pathmaxrxt) { 5088 net->dest_state &= ~SCTP_ADDR_PF; 5089 } 5090 } else { 5091 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5092 (net->error_count > net->pf_threshold)) { 5093 net->dest_state |= SCTP_ADDR_PF; 5094 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5095 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5096 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5097 } 5098 } 5099 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5100 if (net->error_count > paddrp->spp_pathmaxrxt) { 5101 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5102 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5103 } 5104 } else { 5105 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5106 net->dest_state |= SCTP_ADDR_REACHABLE; 5107 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5108 } 5109 } 5110 net->failure_threshold = paddrp->spp_pathmaxrxt; 5111 } 5112 if (paddrp->spp_flags & SPP_DSCP) { 5113 net->dscp = paddrp->spp_dscp & 0xfc; 5114 net->dscp |= 0x01; 5115 } 5116#ifdef INET6 5117 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5118 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5119 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5120 net->flowlabel |= 0x80000000; 5121 } 5122 } 5123#endif 5124 } else { 5125 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5126 if (paddrp->spp_pathmaxrxt) { 5127 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5128 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5129 if (net->dest_state & SCTP_ADDR_PF) { 5130 if (net->error_count > paddrp->spp_pathmaxrxt) { 5131 net->dest_state &= ~SCTP_ADDR_PF; 5132 } 5133 } else { 5134 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5135 (net->error_count > net->pf_threshold)) { 5136 net->dest_state |= SCTP_ADDR_PF; 5137 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5138 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5139 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5140 } 5141 } 5142 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5143 if (net->error_count > paddrp->spp_pathmaxrxt) { 5144 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5145 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5146 } 5147 } else { 5148 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5149 net->dest_state |= SCTP_ADDR_REACHABLE; 5150 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5151 } 5152 } 5153 net->failure_threshold = paddrp->spp_pathmaxrxt; 5154 } 5155 } 5156 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5157 if (paddrp->spp_hbinterval) { 5158 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5159 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5160 stcb->asoc.heart_beat_delay = 0; 5161 } 5162 /* Turn back on the timer */ 5163 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5164 if (paddrp->spp_hbinterval) { 5165 net->heart_beat_delay = paddrp->spp_hbinterval; 5166 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5167 net->heart_beat_delay = 0; 5168 } 5169 if (net->dest_state & SCTP_ADDR_NOHB) { 5170 net->dest_state &= ~SCTP_ADDR_NOHB; 5171 } 5172 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5173 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5174 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5175 } 5176 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5177 } 5178 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5179 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5180 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5181 net->dest_state |= SCTP_ADDR_NOHB; 5182 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5183 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5184 } 5185 } 5186 } 5187 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5188 } 5189 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5190 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5191 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5192 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5193 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5194 } 5195 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5196 net->mtu = paddrp->spp_pathmtu + ovh; 5197 if (net->mtu < stcb->asoc.smallest_mtu) { 5198 sctp_pathmtu_adjustment(stcb, net->mtu); 5199 } 5200 } 5201 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5202 } 5203 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5204 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5205 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5206 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5207 } 5208 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5209 } 5210 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5211 } 5212 if (paddrp->spp_flags & SPP_DSCP) { 5213 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5214 net->dscp = paddrp->spp_dscp & 0xfc; 5215 net->dscp |= 0x01; 5216 } 5217 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5218 stcb->asoc.default_dscp |= 0x01; 5219 } 5220#ifdef INET6 5221 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5222 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5223 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5224 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5225 net->flowlabel |= 0x80000000; 5226 } 5227 } 5228 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5229 stcb->asoc.default_flowlabel |= 0x80000000; 5230 } 5231#endif 5232 } 5233 SCTP_TCB_UNLOCK(stcb); 5234 } else { 5235 /************************NO TCB, SET TO default stuff ******************/ 5236 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5237 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5238 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 5239 SCTP_INP_WLOCK(inp); 5240 /* 5241 * For the TOS/FLOWLABEL stuff you 5242 * set it with the options on the 5243 * socket 5244 */ 5245 if (paddrp->spp_pathmaxrxt) { 5246 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5247 } 5248 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5249 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5250 else if (paddrp->spp_hbinterval) { 5251 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5252 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5253 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5254 } 5255 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5256 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5257 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5258 } else if (paddrp->spp_hbinterval) { 5259 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5260 } 5261 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5262 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5263 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5264 } 5265 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5266 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5267 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5268 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5269 } 5270 if (paddrp->spp_flags & SPP_DSCP) { 5271 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5272 inp->sctp_ep.default_dscp |= 0x01; 5273 } 5274#ifdef INET6 5275 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5276 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5277 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5278 inp->sctp_ep.default_flowlabel |= 0x80000000; 5279 } 5280 } 5281#endif 5282 SCTP_INP_WUNLOCK(inp); 5283 } else { 5284 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5285 error = EINVAL; 5286 } 5287 } 5288 break; 5289 } 5290 case SCTP_RTOINFO: 5291 { 5292 struct sctp_rtoinfo *srto; 5293 uint32_t new_init, new_min, new_max; 5294 5295 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5296 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5297 5298 if (stcb) { 5299 if (srto->srto_initial) 5300 new_init = srto->srto_initial; 5301 else 5302 new_init = stcb->asoc.initial_rto; 5303 if (srto->srto_max) 5304 new_max = srto->srto_max; 5305 else 5306 new_max = stcb->asoc.maxrto; 5307 if (srto->srto_min) 5308 new_min = srto->srto_min; 5309 else 5310 new_min = stcb->asoc.minrto; 5311 if ((new_min <= new_init) && (new_init <= new_max)) { 5312 stcb->asoc.initial_rto = new_init; 5313 stcb->asoc.maxrto = new_max; 5314 stcb->asoc.minrto = new_min; 5315 } else { 5316 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5317 error = EINVAL; 5318 } 5319 SCTP_TCB_UNLOCK(stcb); 5320 } else { 5321 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5322 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5323 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5324 SCTP_INP_WLOCK(inp); 5325 if (srto->srto_initial) 5326 new_init = srto->srto_initial; 5327 else 5328 new_init = inp->sctp_ep.initial_rto; 5329 if (srto->srto_max) 5330 new_max = srto->srto_max; 5331 else 5332 new_max = inp->sctp_ep.sctp_maxrto; 5333 if (srto->srto_min) 5334 new_min = srto->srto_min; 5335 else 5336 new_min = inp->sctp_ep.sctp_minrto; 5337 if ((new_min <= new_init) && (new_init <= new_max)) { 5338 inp->sctp_ep.initial_rto = new_init; 5339 inp->sctp_ep.sctp_maxrto = new_max; 5340 inp->sctp_ep.sctp_minrto = new_min; 5341 } else { 5342 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5343 error = EINVAL; 5344 } 5345 SCTP_INP_WUNLOCK(inp); 5346 } else { 5347 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5348 error = EINVAL; 5349 } 5350 } 5351 break; 5352 } 5353 case SCTP_ASSOCINFO: 5354 { 5355 struct sctp_assocparams *sasoc; 5356 5357 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5358 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5359 if (sasoc->sasoc_cookie_life) { 5360 /* boundary check the cookie life */ 5361 if (sasoc->sasoc_cookie_life < 1000) 5362 sasoc->sasoc_cookie_life = 1000; 5363 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5364 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5365 } 5366 } 5367 if (stcb) { 5368 if (sasoc->sasoc_asocmaxrxt) 5369 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5370 if (sasoc->sasoc_cookie_life) { 5371 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5372 } 5373 SCTP_TCB_UNLOCK(stcb); 5374 } else { 5375 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5376 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5377 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5378 SCTP_INP_WLOCK(inp); 5379 if (sasoc->sasoc_asocmaxrxt) 5380 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5381 if (sasoc->sasoc_cookie_life) { 5382 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5383 } 5384 SCTP_INP_WUNLOCK(inp); 5385 } else { 5386 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5387 error = EINVAL; 5388 } 5389 } 5390 break; 5391 } 5392 case SCTP_INITMSG: 5393 { 5394 struct sctp_initmsg *sinit; 5395 5396 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5397 SCTP_INP_WLOCK(inp); 5398 if (sinit->sinit_num_ostreams) 5399 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5400 5401 if (sinit->sinit_max_instreams) 5402 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5403 5404 if (sinit->sinit_max_attempts) 5405 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5406 5407 if (sinit->sinit_max_init_timeo) 5408 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5409 SCTP_INP_WUNLOCK(inp); 5410 break; 5411 } 5412 case SCTP_PRIMARY_ADDR: 5413 { 5414 struct sctp_setprim *spa; 5415 struct sctp_nets *net; 5416 5417 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5418 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5419 5420 net = NULL; 5421 if (stcb) { 5422 net = sctp_findnet(stcb, (struct sockaddr *)&spa->ssp_addr); 5423 } else { 5424 /* 5425 * We increment here since 5426 * sctp_findassociation_ep_addr() wil do a 5427 * decrement if it finds the stcb as long as 5428 * the locked tcb (last argument) is NOT a 5429 * TCB.. aka NULL. 5430 */ 5431 SCTP_INP_INCR_REF(inp); 5432 stcb = sctp_findassociation_ep_addr(&inp, 5433 (struct sockaddr *)&spa->ssp_addr, 5434 &net, NULL, NULL); 5435 if (stcb == NULL) { 5436 SCTP_INP_DECR_REF(inp); 5437 } 5438 } 5439 5440 if ((stcb) && (net)) { 5441 if ((net != stcb->asoc.primary_destination) && 5442 (!(net->dest_state & SCTP_ADDR_UNCONFIRMED))) { 5443 /* Ok we need to set it */ 5444 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5445 if ((stcb->asoc.alternate) && 5446 (!(net->dest_state & SCTP_ADDR_PF)) && 5447 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5448 sctp_free_remote_addr(stcb->asoc.alternate); 5449 stcb->asoc.alternate = NULL; 5450 } 5451 } 5452 } 5453 } else { 5454 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5455 error = EINVAL; 5456 } 5457 if (stcb) { 5458 SCTP_TCB_UNLOCK(stcb); 5459 } 5460 break; 5461 } 5462 case SCTP_SET_DYNAMIC_PRIMARY: 5463 { 5464 union sctp_sockstore *ss; 5465 5466 error = priv_check(curthread, 5467 PRIV_NETINET_RESERVEDPORT); 5468 if (error) 5469 break; 5470 5471 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5472 /* SUPER USER CHECK? */ 5473 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5474 break; 5475 } 5476 case SCTP_SET_PEER_PRIMARY_ADDR: 5477 { 5478 struct sctp_setpeerprim *sspp; 5479 5480 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5481 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5482 if (stcb != NULL) { 5483 struct sctp_ifa *ifa; 5484 5485 ifa = sctp_find_ifa_by_addr((struct sockaddr *)&sspp->sspp_addr, 5486 stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5487 if (ifa == NULL) { 5488 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5489 error = EINVAL; 5490 goto out_of_it; 5491 } 5492 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5493 /* 5494 * Must validate the ifa found is in 5495 * our ep 5496 */ 5497 struct sctp_laddr *laddr; 5498 int found = 0; 5499 5500 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5501 if (laddr->ifa == NULL) { 5502 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5503 __FUNCTION__); 5504 continue; 5505 } 5506 if (laddr->ifa == ifa) { 5507 found = 1; 5508 break; 5509 } 5510 } 5511 if (!found) { 5512 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5513 error = EINVAL; 5514 goto out_of_it; 5515 } 5516 } else { 5517 switch (sspp->sspp_addr.ss_family) { 5518#ifdef INET 5519 case AF_INET: 5520 { 5521 struct sockaddr_in *sin; 5522 5523 sin = (struct sockaddr_in *)&sspp->sspp_addr; 5524 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5525 &sin->sin_addr) != 0) { 5526 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5527 error = EINVAL; 5528 goto out_of_it; 5529 } 5530 break; 5531 } 5532#endif 5533#ifdef INET6 5534 case AF_INET6: 5535 { 5536 struct sockaddr_in6 *sin6; 5537 5538 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5539 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5540 &sin6->sin6_addr) != 0) { 5541 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5542 error = EINVAL; 5543 goto out_of_it; 5544 } 5545 break; 5546 } 5547#endif 5548 default: 5549 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5550 error = EINVAL; 5551 goto out_of_it; 5552 } 5553 } 5554 if (sctp_set_primary_ip_address_sa(stcb, 5555 (struct sockaddr *)&sspp->sspp_addr) != 0) { 5556 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5557 error = EINVAL; 5558 } 5559 out_of_it: 5560 SCTP_TCB_UNLOCK(stcb); 5561 } else { 5562 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5563 error = EINVAL; 5564 } 5565 break; 5566 } 5567 case SCTP_BINDX_ADD_ADDR: 5568 { 5569 struct sctp_getaddresses *addrs; 5570 struct thread *td; 5571 5572 td = (struct thread *)p; 5573 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5574 optsize); 5575#ifdef INET 5576 if (addrs->addr->sa_family == AF_INET) { 5577 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5578 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5579 error = EINVAL; 5580 break; 5581 } 5582 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5583 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5584 break; 5585 } 5586 } else 5587#endif 5588#ifdef INET6 5589 if (addrs->addr->sa_family == AF_INET6) { 5590 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5591 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5592 error = EINVAL; 5593 break; 5594 } 5595 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5596 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5597 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5598 break; 5599 } 5600 } else 5601#endif 5602 { 5603 error = EAFNOSUPPORT; 5604 break; 5605 } 5606 sctp_bindx_add_address(so, inp, addrs->addr, 5607 addrs->sget_assoc_id, vrf_id, 5608 &error, p); 5609 break; 5610 } 5611 case SCTP_BINDX_REM_ADDR: 5612 { 5613 struct sctp_getaddresses *addrs; 5614 struct thread *td; 5615 5616 td = (struct thread *)p; 5617 5618 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5619#ifdef INET 5620 if (addrs->addr->sa_family == AF_INET) { 5621 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5622 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5623 error = EINVAL; 5624 break; 5625 } 5626 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5627 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5628 break; 5629 } 5630 } else 5631#endif 5632#ifdef INET6 5633 if (addrs->addr->sa_family == AF_INET6) { 5634 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5635 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5636 error = EINVAL; 5637 break; 5638 } 5639 if (td != NULL && 5640 (error = prison_local_ip6(td->td_ucred, 5641 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5642 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5643 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5644 break; 5645 } 5646 } else 5647#endif 5648 { 5649 error = EAFNOSUPPORT; 5650 break; 5651 } 5652 sctp_bindx_delete_address(inp, addrs->addr, 5653 addrs->sget_assoc_id, vrf_id, 5654 &error); 5655 break; 5656 } 5657 case SCTP_EVENT: 5658 { 5659 struct sctp_event *event; 5660 uint32_t event_type; 5661 5662 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 5663 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 5664 switch (event->se_type) { 5665 case SCTP_ASSOC_CHANGE: 5666 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 5667 break; 5668 case SCTP_PEER_ADDR_CHANGE: 5669 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 5670 break; 5671 case SCTP_REMOTE_ERROR: 5672 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 5673 break; 5674 case SCTP_SEND_FAILED: 5675 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 5676 break; 5677 case SCTP_SHUTDOWN_EVENT: 5678 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 5679 break; 5680 case SCTP_ADAPTATION_INDICATION: 5681 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 5682 break; 5683 case SCTP_PARTIAL_DELIVERY_EVENT: 5684 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 5685 break; 5686 case SCTP_AUTHENTICATION_EVENT: 5687 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 5688 break; 5689 case SCTP_STREAM_RESET_EVENT: 5690 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 5691 break; 5692 case SCTP_SENDER_DRY_EVENT: 5693 event_type = SCTP_PCB_FLAGS_DRYEVNT; 5694 break; 5695 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 5696 event_type = 0; 5697 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5698 error = ENOTSUP; 5699 break; 5700 case SCTP_ASSOC_RESET_EVENT: 5701 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 5702 break; 5703 case SCTP_STREAM_CHANGE_EVENT: 5704 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 5705 break; 5706 case SCTP_SEND_FAILED_EVENT: 5707 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 5708 break; 5709 default: 5710 event_type = 0; 5711 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5712 error = EINVAL; 5713 break; 5714 } 5715 if (event_type > 0) { 5716 if (stcb) { 5717 if (event->se_on) { 5718 sctp_stcb_feature_on(inp, stcb, event_type); 5719 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 5720 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5721 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5722 (stcb->asoc.stream_queue_cnt == 0)) { 5723 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5724 } 5725 } 5726 } else { 5727 sctp_stcb_feature_off(inp, stcb, event_type); 5728 } 5729 SCTP_TCB_UNLOCK(stcb); 5730 } else { 5731 /* 5732 * We don't want to send up a storm 5733 * of events, so return an error for 5734 * sender dry events 5735 */ 5736 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 5737 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 5738 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 5739 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 5740 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 5741 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5742 error = ENOTSUP; 5743 break; 5744 } 5745 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5746 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5747 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 5748 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5749 SCTP_INP_WLOCK(inp); 5750 if (event->se_on) { 5751 sctp_feature_on(inp, event_type); 5752 } else { 5753 sctp_feature_off(inp, event_type); 5754 } 5755 SCTP_INP_WUNLOCK(inp); 5756 } 5757 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 5758 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5759 SCTP_INP_RLOCK(inp); 5760 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5761 SCTP_TCB_LOCK(stcb); 5762 if (event->se_on) { 5763 sctp_stcb_feature_on(inp, stcb, event_type); 5764 } else { 5765 sctp_stcb_feature_off(inp, stcb, event_type); 5766 } 5767 SCTP_TCB_UNLOCK(stcb); 5768 } 5769 SCTP_INP_RUNLOCK(inp); 5770 } 5771 } 5772 } 5773 break; 5774 } 5775 case SCTP_RECVRCVINFO: 5776 { 5777 int *onoff; 5778 5779 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5780 SCTP_INP_WLOCK(inp); 5781 if (*onoff != 0) { 5782 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5783 } else { 5784 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5785 } 5786 SCTP_INP_WUNLOCK(inp); 5787 break; 5788 } 5789 case SCTP_RECVNXTINFO: 5790 { 5791 int *onoff; 5792 5793 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5794 SCTP_INP_WLOCK(inp); 5795 if (*onoff != 0) { 5796 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5797 } else { 5798 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5799 } 5800 SCTP_INP_WUNLOCK(inp); 5801 break; 5802 } 5803 case SCTP_DEFAULT_SNDINFO: 5804 { 5805 struct sctp_sndinfo *info; 5806 uint16_t policy; 5807 5808 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 5809 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 5810 5811 if (stcb) { 5812 if (info->snd_sid < stcb->asoc.streamoutcnt) { 5813 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 5814 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 5815 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 5816 stcb->asoc.def_send.sinfo_flags |= policy; 5817 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 5818 stcb->asoc.def_send.sinfo_context = info->snd_context; 5819 } else { 5820 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5821 error = EINVAL; 5822 } 5823 SCTP_TCB_UNLOCK(stcb); 5824 } else { 5825 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5826 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5827 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 5828 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 5829 SCTP_INP_WLOCK(inp); 5830 inp->def_send.sinfo_stream = info->snd_sid; 5831 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 5832 inp->def_send.sinfo_flags = info->snd_flags; 5833 inp->def_send.sinfo_flags |= policy; 5834 inp->def_send.sinfo_ppid = info->snd_ppid; 5835 inp->def_send.sinfo_context = info->snd_context; 5836 SCTP_INP_WUNLOCK(inp); 5837 } 5838 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 5839 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 5840 SCTP_INP_RLOCK(inp); 5841 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5842 SCTP_TCB_LOCK(stcb); 5843 if (info->snd_sid < stcb->asoc.streamoutcnt) { 5844 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 5845 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 5846 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 5847 stcb->asoc.def_send.sinfo_flags |= policy; 5848 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 5849 stcb->asoc.def_send.sinfo_context = info->snd_context; 5850 } 5851 SCTP_TCB_UNLOCK(stcb); 5852 } 5853 SCTP_INP_RUNLOCK(inp); 5854 } 5855 } 5856 break; 5857 } 5858 case SCTP_DEFAULT_PRINFO: 5859 { 5860 struct sctp_default_prinfo *info; 5861 5862 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 5863 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 5864 5865 if (PR_SCTP_INVALID_POLICY(info->pr_policy)) { 5866 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5867 error = EINVAL; 5868 break; 5869 } 5870 if (stcb) { 5871 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 5872 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 5873 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 5874 SCTP_TCB_UNLOCK(stcb); 5875 } else { 5876 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5877 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5878 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 5879 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 5880 SCTP_INP_WLOCK(inp); 5881 inp->def_send.sinfo_flags &= 0xfff0; 5882 inp->def_send.sinfo_flags |= info->pr_policy; 5883 inp->def_send.sinfo_timetolive = info->pr_value; 5884 SCTP_INP_WUNLOCK(inp); 5885 } 5886 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 5887 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 5888 SCTP_INP_RLOCK(inp); 5889 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5890 SCTP_TCB_LOCK(stcb); 5891 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 5892 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 5893 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 5894 SCTP_TCB_UNLOCK(stcb); 5895 } 5896 SCTP_INP_RUNLOCK(inp); 5897 } 5898 } 5899 break; 5900 } 5901 case SCTP_PEER_ADDR_THLDS: 5902 /* Applies to the specific association */ 5903 { 5904 struct sctp_paddrthlds *thlds; 5905 struct sctp_nets *net; 5906 5907 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 5908 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 5909 net = NULL; 5910 if (stcb) { 5911 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_address); 5912 } else { 5913 /* 5914 * We increment here since 5915 * sctp_findassociation_ep_addr() wil do a 5916 * decrement if it finds the stcb as long as 5917 * the locked tcb (last argument) is NOT a 5918 * TCB.. aka NULL. 5919 */ 5920 SCTP_INP_INCR_REF(inp); 5921 stcb = sctp_findassociation_ep_addr(&inp, 5922 (struct sockaddr *)&thlds->spt_address, 5923 &net, NULL, NULL); 5924 if (stcb == NULL) { 5925 SCTP_INP_DECR_REF(inp); 5926 } 5927 } 5928 if (stcb && (net == NULL)) { 5929 struct sockaddr *sa; 5930 5931 sa = (struct sockaddr *)&thlds->spt_address; 5932#ifdef INET 5933 if (sa->sa_family == AF_INET) { 5934 5935 struct sockaddr_in *sin; 5936 5937 sin = (struct sockaddr_in *)sa; 5938 if (sin->sin_addr.s_addr) { 5939 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5940 SCTP_TCB_UNLOCK(stcb); 5941 error = EINVAL; 5942 break; 5943 } 5944 } else 5945#endif 5946#ifdef INET6 5947 if (sa->sa_family == AF_INET6) { 5948 struct sockaddr_in6 *sin6; 5949 5950 sin6 = (struct sockaddr_in6 *)sa; 5951 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5952 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5953 SCTP_TCB_UNLOCK(stcb); 5954 error = EINVAL; 5955 break; 5956 } 5957 } else 5958#endif 5959 { 5960 error = EAFNOSUPPORT; 5961 SCTP_TCB_UNLOCK(stcb); 5962 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5963 break; 5964 } 5965 } 5966 if (stcb) { 5967 if (net) { 5968 if (net->dest_state & SCTP_ADDR_PF) { 5969 if ((net->failure_threshold > thlds->spt_pathmaxrxt) || 5970 (net->failure_threshold <= thlds->spt_pathpfthld)) { 5971 net->dest_state &= ~SCTP_ADDR_PF; 5972 } 5973 } else { 5974 if ((net->failure_threshold > thlds->spt_pathpfthld) && 5975 (net->failure_threshold <= thlds->spt_pathmaxrxt)) { 5976 net->dest_state |= SCTP_ADDR_PF; 5977 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5978 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5979 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5980 } 5981 } 5982 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5983 if (net->failure_threshold > thlds->spt_pathmaxrxt) { 5984 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5985 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5986 } 5987 } else { 5988 if (net->failure_threshold <= thlds->spt_pathmaxrxt) { 5989 net->dest_state |= SCTP_ADDR_REACHABLE; 5990 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5991 } 5992 } 5993 net->failure_threshold = thlds->spt_pathmaxrxt; 5994 net->pf_threshold = thlds->spt_pathpfthld; 5995 } else { 5996 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5997 if (net->dest_state & SCTP_ADDR_PF) { 5998 if ((net->failure_threshold > thlds->spt_pathmaxrxt) || 5999 (net->failure_threshold <= thlds->spt_pathpfthld)) { 6000 net->dest_state &= ~SCTP_ADDR_PF; 6001 } 6002 } else { 6003 if ((net->failure_threshold > thlds->spt_pathpfthld) && 6004 (net->failure_threshold <= thlds->spt_pathmaxrxt)) { 6005 net->dest_state |= SCTP_ADDR_PF; 6006 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6007 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 6008 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6009 } 6010 } 6011 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6012 if (net->failure_threshold > thlds->spt_pathmaxrxt) { 6013 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6014 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6015 } 6016 } else { 6017 if (net->failure_threshold <= thlds->spt_pathmaxrxt) { 6018 net->dest_state |= SCTP_ADDR_REACHABLE; 6019 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6020 } 6021 } 6022 net->failure_threshold = thlds->spt_pathmaxrxt; 6023 net->pf_threshold = thlds->spt_pathpfthld; 6024 } 6025 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6026 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6027 } 6028 } else { 6029 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6030 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6031 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 6032 SCTP_INP_WLOCK(inp); 6033 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6034 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6035 SCTP_INP_WUNLOCK(inp); 6036 } else { 6037 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6038 error = EINVAL; 6039 } 6040 } 6041 break; 6042 } 6043 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6044 { 6045 struct sctp_udpencaps *encaps; 6046 struct sctp_nets *net; 6047 6048 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6049 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6050 if (stcb) { 6051 net = sctp_findnet(stcb, (struct sockaddr *)&encaps->sue_address); 6052 } else { 6053 /* 6054 * We increment here since 6055 * sctp_findassociation_ep_addr() wil do a 6056 * decrement if it finds the stcb as long as 6057 * the locked tcb (last argument) is NOT a 6058 * TCB.. aka NULL. 6059 */ 6060 net = NULL; 6061 SCTP_INP_INCR_REF(inp); 6062 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&encaps->sue_address, &net, NULL, NULL); 6063 if (stcb == NULL) { 6064 SCTP_INP_DECR_REF(inp); 6065 } 6066 } 6067 if (stcb && (net == NULL)) { 6068 struct sockaddr *sa; 6069 6070 sa = (struct sockaddr *)&encaps->sue_address; 6071#ifdef INET 6072 if (sa->sa_family == AF_INET) { 6073 6074 struct sockaddr_in *sin; 6075 6076 sin = (struct sockaddr_in *)sa; 6077 if (sin->sin_addr.s_addr) { 6078 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6079 SCTP_TCB_UNLOCK(stcb); 6080 error = EINVAL; 6081 break; 6082 } 6083 } else 6084#endif 6085#ifdef INET6 6086 if (sa->sa_family == AF_INET6) { 6087 struct sockaddr_in6 *sin6; 6088 6089 sin6 = (struct sockaddr_in6 *)sa; 6090 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6091 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6092 SCTP_TCB_UNLOCK(stcb); 6093 error = EINVAL; 6094 break; 6095 } 6096 } else 6097#endif 6098 { 6099 error = EAFNOSUPPORT; 6100 SCTP_TCB_UNLOCK(stcb); 6101 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6102 break; 6103 } 6104 } 6105 if (stcb) { 6106 if (net) { 6107 net->port = encaps->sue_port; 6108 } else { 6109 stcb->asoc.port = encaps->sue_port; 6110 } 6111 SCTP_TCB_UNLOCK(stcb); 6112 } else { 6113 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6114 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6115 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 6116 SCTP_INP_WLOCK(inp); 6117 inp->sctp_ep.port = encaps->sue_port; 6118 SCTP_INP_WUNLOCK(inp); 6119 } else { 6120 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6121 error = EINVAL; 6122 } 6123 } 6124 break; 6125 } 6126 case SCTP_ECN_SUPPORTED: 6127 { 6128 struct sctp_assoc_value *av; 6129 6130 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6131 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6132 6133 if (stcb) { 6134 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6135 error = EINVAL; 6136 SCTP_TCB_UNLOCK(stcb); 6137 } else { 6138 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6139 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6140 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6141 SCTP_INP_WLOCK(inp); 6142 if (av->assoc_value == 0) { 6143 inp->ecn_supported = 0; 6144 } else { 6145 inp->ecn_supported = 1; 6146 } 6147 SCTP_INP_WUNLOCK(inp); 6148 } else { 6149 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6150 error = EINVAL; 6151 } 6152 } 6153 break; 6154 } 6155 case SCTP_PR_SUPPORTED: 6156 { 6157 struct sctp_assoc_value *av; 6158 6159 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6160 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6161 6162 if (stcb) { 6163 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6164 error = EINVAL; 6165 SCTP_TCB_UNLOCK(stcb); 6166 } else { 6167 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6168 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6169 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6170 SCTP_INP_WLOCK(inp); 6171 if (av->assoc_value == 0) { 6172 inp->prsctp_supported = 0; 6173 } else { 6174 inp->prsctp_supported = 1; 6175 } 6176 SCTP_INP_WUNLOCK(inp); 6177 } else { 6178 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6179 error = EINVAL; 6180 } 6181 } 6182 break; 6183 } 6184 case SCTP_AUTH_SUPPORTED: 6185 { 6186 struct sctp_assoc_value *av; 6187 6188 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6189 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6190 6191 if (stcb) { 6192 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6193 error = EINVAL; 6194 SCTP_TCB_UNLOCK(stcb); 6195 } else { 6196 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6197 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6198 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6199 if ((av->assoc_value == 0) && 6200 (inp->asconf_supported == 1)) { 6201 /* 6202 * AUTH is required for 6203 * ASCONF 6204 */ 6205 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6206 error = EINVAL; 6207 } else { 6208 SCTP_INP_WLOCK(inp); 6209 if (av->assoc_value == 0) { 6210 inp->auth_supported = 0; 6211 } else { 6212 inp->auth_supported = 1; 6213 } 6214 SCTP_INP_WUNLOCK(inp); 6215 } 6216 } else { 6217 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6218 error = EINVAL; 6219 } 6220 } 6221 break; 6222 } 6223 case SCTP_ASCONF_SUPPORTED: 6224 { 6225 struct sctp_assoc_value *av; 6226 6227 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6228 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6229 6230 if (stcb) { 6231 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6232 error = EINVAL; 6233 SCTP_TCB_UNLOCK(stcb); 6234 } else { 6235 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6236 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6237 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6238 if ((av->assoc_value != 0) && 6239 (inp->auth_supported == 0)) { 6240 /* 6241 * AUTH is required for 6242 * ASCONF 6243 */ 6244 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6245 error = EINVAL; 6246 } else { 6247 SCTP_INP_WLOCK(inp); 6248 if (av->assoc_value == 0) { 6249 inp->asconf_supported = 0; 6250 sctp_auth_delete_chunk(SCTP_ASCONF, 6251 inp->sctp_ep.local_auth_chunks); 6252 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6253 inp->sctp_ep.local_auth_chunks); 6254 } else { 6255 inp->asconf_supported = 1; 6256 sctp_auth_add_chunk(SCTP_ASCONF, 6257 inp->sctp_ep.local_auth_chunks); 6258 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6259 inp->sctp_ep.local_auth_chunks); 6260 } 6261 SCTP_INP_WUNLOCK(inp); 6262 } 6263 } else { 6264 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6265 error = EINVAL; 6266 } 6267 } 6268 break; 6269 } 6270 case SCTP_RECONFIG_SUPPORTED: 6271 { 6272 struct sctp_assoc_value *av; 6273 6274 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6275 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6276 6277 if (stcb) { 6278 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6279 error = EINVAL; 6280 SCTP_TCB_UNLOCK(stcb); 6281 } else { 6282 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6283 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6284 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6285 SCTP_INP_WLOCK(inp); 6286 if (av->assoc_value == 0) { 6287 inp->reconfig_supported = 0; 6288 } else { 6289 inp->reconfig_supported = 1; 6290 } 6291 SCTP_INP_WUNLOCK(inp); 6292 } else { 6293 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6294 error = EINVAL; 6295 } 6296 } 6297 break; 6298 } 6299 case SCTP_NRSACK_SUPPORTED: 6300 { 6301 struct sctp_assoc_value *av; 6302 6303 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6304 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6305 6306 if (stcb) { 6307 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6308 error = EINVAL; 6309 SCTP_TCB_UNLOCK(stcb); 6310 } else { 6311 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6312 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6313 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6314 SCTP_INP_WLOCK(inp); 6315 if (av->assoc_value == 0) { 6316 inp->nrsack_supported = 0; 6317 } else { 6318 inp->nrsack_supported = 1; 6319 } 6320 SCTP_INP_WUNLOCK(inp); 6321 } else { 6322 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6323 error = EINVAL; 6324 } 6325 } 6326 break; 6327 } 6328 case SCTP_PKTDROP_SUPPORTED: 6329 { 6330 struct sctp_assoc_value *av; 6331 6332 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6333 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6334 6335 if (stcb) { 6336 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6337 error = EINVAL; 6338 SCTP_TCB_UNLOCK(stcb); 6339 } else { 6340 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6341 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6342 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6343 SCTP_INP_WLOCK(inp); 6344 if (av->assoc_value == 0) { 6345 inp->pktdrop_supported = 0; 6346 } else { 6347 inp->pktdrop_supported = 1; 6348 } 6349 SCTP_INP_WUNLOCK(inp); 6350 } else { 6351 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6352 error = EINVAL; 6353 } 6354 } 6355 break; 6356 } 6357 default: 6358 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6359 error = ENOPROTOOPT; 6360 break; 6361 } /* end switch (opt) */ 6362 return (error); 6363} 6364 6365int 6366sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6367{ 6368 void *optval = NULL; 6369 size_t optsize = 0; 6370 void *p; 6371 int error = 0; 6372 6373 if (sopt->sopt_level != IPPROTO_SCTP) { 6374 /* wrong proto level... send back up to IP */ 6375#ifdef INET6 6376 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6377 error = ip6_ctloutput(so, sopt); 6378#endif /* INET6 */ 6379#if defined(INET) && defined(INET6) 6380 else 6381#endif 6382#ifdef INET 6383 error = ip_ctloutput(so, sopt); 6384#endif 6385 return (error); 6386 } 6387 optsize = sopt->sopt_valsize; 6388 if (optsize) { 6389 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6390 if (optval == NULL) { 6391 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6392 return (ENOBUFS); 6393 } 6394 error = sooptcopyin(sopt, optval, optsize, optsize); 6395 if (error) { 6396 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6397 goto out; 6398 } 6399 } 6400 p = (void *)sopt->sopt_td; 6401 if (sopt->sopt_dir == SOPT_SET) { 6402 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6403 } else if (sopt->sopt_dir == SOPT_GET) { 6404 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6405 } else { 6406 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6407 error = EINVAL; 6408 } 6409 if ((error == 0) && (optval != NULL)) { 6410 error = sooptcopyout(sopt, optval, optsize); 6411 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6412 } else if (optval != NULL) { 6413 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6414 } 6415out: 6416 return (error); 6417} 6418 6419#ifdef INET 6420static int 6421sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6422{ 6423 int error = 0; 6424 int create_lock_on = 0; 6425 uint32_t vrf_id; 6426 struct sctp_inpcb *inp; 6427 struct sctp_tcb *stcb = NULL; 6428 6429 inp = (struct sctp_inpcb *)so->so_pcb; 6430 if (inp == NULL) { 6431 /* I made the same as TCP since we are not setup? */ 6432 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6433 return (ECONNRESET); 6434 } 6435 if (addr == NULL) { 6436 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6437 return EINVAL; 6438 } 6439 switch (addr->sa_family) { 6440#ifdef INET6 6441 case AF_INET6: 6442 { 6443 struct sockaddr_in6 *sin6p; 6444 6445 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6446 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6447 return (EINVAL); 6448 } 6449 sin6p = (struct sockaddr_in6 *)addr; 6450 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 6451 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6452 return (error); 6453 } 6454 break; 6455 } 6456#endif 6457#ifdef INET 6458 case AF_INET: 6459 { 6460 struct sockaddr_in *sinp; 6461 6462 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6463 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6464 return (EINVAL); 6465 } 6466 sinp = (struct sockaddr_in *)addr; 6467 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 6468 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6469 return (error); 6470 } 6471 break; 6472 } 6473#endif 6474 default: 6475 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 6476 return (EAFNOSUPPORT); 6477 } 6478 SCTP_INP_INCR_REF(inp); 6479 SCTP_ASOC_CREATE_LOCK(inp); 6480 create_lock_on = 1; 6481 6482 6483 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 6484 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 6485 /* Should I really unlock ? */ 6486 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 6487 error = EFAULT; 6488 goto out_now; 6489 } 6490#ifdef INET6 6491 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 6492 (addr->sa_family == AF_INET6)) { 6493 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6494 error = EINVAL; 6495 goto out_now; 6496 } 6497#endif 6498 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 6499 SCTP_PCB_FLAGS_UNBOUND) { 6500 /* Bind a ephemeral port */ 6501 error = sctp_inpcb_bind(so, NULL, NULL, p); 6502 if (error) { 6503 goto out_now; 6504 } 6505 } 6506 /* Now do we connect? */ 6507 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 6508 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 6509 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6510 error = EINVAL; 6511 goto out_now; 6512 } 6513 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6514 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6515 /* We are already connected AND the TCP model */ 6516 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6517 error = EADDRINUSE; 6518 goto out_now; 6519 } 6520 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6521 SCTP_INP_RLOCK(inp); 6522 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6523 SCTP_INP_RUNLOCK(inp); 6524 } else { 6525 /* 6526 * We increment here since sctp_findassociation_ep_addr() 6527 * will do a decrement if it finds the stcb as long as the 6528 * locked tcb (last argument) is NOT a TCB.. aka NULL. 6529 */ 6530 SCTP_INP_INCR_REF(inp); 6531 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 6532 if (stcb == NULL) { 6533 SCTP_INP_DECR_REF(inp); 6534 } else { 6535 SCTP_TCB_UNLOCK(stcb); 6536 } 6537 } 6538 if (stcb != NULL) { 6539 /* Already have or am bring up an association */ 6540 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 6541 error = EALREADY; 6542 goto out_now; 6543 } 6544 vrf_id = inp->def_vrf_id; 6545 /* We are GOOD to go */ 6546 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, p); 6547 if (stcb == NULL) { 6548 /* Gak! no memory */ 6549 goto out_now; 6550 } 6551 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 6552 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 6553 /* Set the connected flag so we can queue data */ 6554 soisconnecting(so); 6555 } 6556 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 6557 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 6558 6559 /* initialize authentication parameters for the assoc */ 6560 sctp_initialize_auth_params(inp, stcb); 6561 6562 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 6563 SCTP_TCB_UNLOCK(stcb); 6564out_now: 6565 if (create_lock_on) { 6566 SCTP_ASOC_CREATE_UNLOCK(inp); 6567 } 6568 SCTP_INP_DECR_REF(inp); 6569 return (error); 6570} 6571 6572#endif 6573 6574int 6575sctp_listen(struct socket *so, int backlog, struct thread *p) 6576{ 6577 /* 6578 * Note this module depends on the protocol processing being called 6579 * AFTER any socket level flags and backlog are applied to the 6580 * socket. The traditional way that the socket flags are applied is 6581 * AFTER protocol processing. We have made a change to the 6582 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 6583 * place if the socket API for SCTP is to work properly. 6584 */ 6585 6586 int error = 0; 6587 struct sctp_inpcb *inp; 6588 6589 inp = (struct sctp_inpcb *)so->so_pcb; 6590 if (inp == NULL) { 6591 /* I made the same as TCP since we are not setup? */ 6592 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6593 return (ECONNRESET); 6594 } 6595 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 6596 /* See if we have a listener */ 6597 struct sctp_inpcb *tinp; 6598 union sctp_sockstore store; 6599 6600 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 6601 /* not bound all */ 6602 struct sctp_laddr *laddr; 6603 6604 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6605 memcpy(&store, &laddr->ifa->address, sizeof(store)); 6606 switch (store.sa.sa_family) { 6607#ifdef INET 6608 case AF_INET: 6609 store.sin.sin_port = inp->sctp_lport; 6610 break; 6611#endif 6612#ifdef INET6 6613 case AF_INET6: 6614 store.sin6.sin6_port = inp->sctp_lport; 6615 break; 6616#endif 6617 default: 6618 break; 6619 } 6620 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 6621 if (tinp && (tinp != inp) && 6622 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6623 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6624 (tinp->sctp_socket->so_qlimit)) { 6625 /* 6626 * we have a listener already and 6627 * its not this inp. 6628 */ 6629 SCTP_INP_DECR_REF(tinp); 6630 return (EADDRINUSE); 6631 } else if (tinp) { 6632 SCTP_INP_DECR_REF(tinp); 6633 } 6634 } 6635 } else { 6636 /* Setup a local addr bound all */ 6637 memset(&store, 0, sizeof(store)); 6638#ifdef INET6 6639 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 6640 store.sa.sa_family = AF_INET6; 6641 store.sa.sa_len = sizeof(struct sockaddr_in6); 6642 } 6643#endif 6644#ifdef INET 6645 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 6646 store.sa.sa_family = AF_INET; 6647 store.sa.sa_len = sizeof(struct sockaddr_in); 6648 } 6649#endif 6650 switch (store.sa.sa_family) { 6651#ifdef INET 6652 case AF_INET: 6653 store.sin.sin_port = inp->sctp_lport; 6654 break; 6655#endif 6656#ifdef INET6 6657 case AF_INET6: 6658 store.sin6.sin6_port = inp->sctp_lport; 6659 break; 6660#endif 6661 default: 6662 break; 6663 } 6664 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 6665 if (tinp && (tinp != inp) && 6666 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6667 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6668 (tinp->sctp_socket->so_qlimit)) { 6669 /* 6670 * we have a listener already and its not 6671 * this inp. 6672 */ 6673 SCTP_INP_DECR_REF(tinp); 6674 return (EADDRINUSE); 6675 } else if (tinp) { 6676 SCTP_INP_DECR_REF(inp); 6677 } 6678 } 6679 } 6680 SCTP_INP_RLOCK(inp); 6681#ifdef SCTP_LOCK_LOGGING 6682 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 6683 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 6684 } 6685#endif 6686 SOCK_LOCK(so); 6687 error = solisten_proto_check(so); 6688 if (error) { 6689 SOCK_UNLOCK(so); 6690 SCTP_INP_RUNLOCK(inp); 6691 return (error); 6692 } 6693 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 6694 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 6695 /* 6696 * The unlucky case - We are in the tcp pool with this guy. 6697 * - Someone else is in the main inp slot. - We must move 6698 * this guy (the listener) to the main slot - We must then 6699 * move the guy that was listener to the TCP Pool. 6700 */ 6701 if (sctp_swap_inpcb_for_listen(inp)) { 6702 goto in_use; 6703 } 6704 } 6705 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6706 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6707 /* We are already connected AND the TCP model */ 6708in_use: 6709 SCTP_INP_RUNLOCK(inp); 6710 SOCK_UNLOCK(so); 6711 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6712 return (EADDRINUSE); 6713 } 6714 SCTP_INP_RUNLOCK(inp); 6715 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 6716 /* We must do a bind. */ 6717 SOCK_UNLOCK(so); 6718 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 6719 /* bind error, probably perm */ 6720 return (error); 6721 } 6722 SOCK_LOCK(so); 6723 } 6724 /* It appears for 7.0 and on, we must always call this. */ 6725 solisten_proto(so, backlog); 6726 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 6727 /* remove the ACCEPTCONN flag for one-to-many sockets */ 6728 so->so_options &= ~SO_ACCEPTCONN; 6729 } 6730 if (backlog == 0) { 6731 /* turning off listen */ 6732 so->so_options &= ~SO_ACCEPTCONN; 6733 } 6734 SOCK_UNLOCK(so); 6735 return (error); 6736} 6737 6738static int sctp_defered_wakeup_cnt = 0; 6739 6740int 6741sctp_accept(struct socket *so, struct sockaddr **addr) 6742{ 6743 struct sctp_tcb *stcb; 6744 struct sctp_inpcb *inp; 6745 union sctp_sockstore store; 6746 6747#ifdef INET6 6748 int error; 6749 6750#endif 6751 inp = (struct sctp_inpcb *)so->so_pcb; 6752 6753 if (inp == NULL) { 6754 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6755 return (ECONNRESET); 6756 } 6757 SCTP_INP_RLOCK(inp); 6758 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 6759 SCTP_INP_RUNLOCK(inp); 6760 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 6761 return (EOPNOTSUPP); 6762 } 6763 if (so->so_state & SS_ISDISCONNECTED) { 6764 SCTP_INP_RUNLOCK(inp); 6765 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 6766 return (ECONNABORTED); 6767 } 6768 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6769 if (stcb == NULL) { 6770 SCTP_INP_RUNLOCK(inp); 6771 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6772 return (ECONNRESET); 6773 } 6774 SCTP_TCB_LOCK(stcb); 6775 SCTP_INP_RUNLOCK(inp); 6776 store = stcb->asoc.primary_destination->ro._l_addr; 6777 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 6778 SCTP_TCB_UNLOCK(stcb); 6779 switch (store.sa.sa_family) { 6780#ifdef INET 6781 case AF_INET: 6782 { 6783 struct sockaddr_in *sin; 6784 6785 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6786 if (sin == NULL) 6787 return (ENOMEM); 6788 sin->sin_family = AF_INET; 6789 sin->sin_len = sizeof(*sin); 6790 sin->sin_port = store.sin.sin_port; 6791 sin->sin_addr = store.sin.sin_addr; 6792 *addr = (struct sockaddr *)sin; 6793 break; 6794 } 6795#endif 6796#ifdef INET6 6797 case AF_INET6: 6798 { 6799 struct sockaddr_in6 *sin6; 6800 6801 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 6802 if (sin6 == NULL) 6803 return (ENOMEM); 6804 sin6->sin6_family = AF_INET6; 6805 sin6->sin6_len = sizeof(*sin6); 6806 sin6->sin6_port = store.sin6.sin6_port; 6807 sin6->sin6_addr = store.sin6.sin6_addr; 6808 if ((error = sa6_recoverscope(sin6)) != 0) { 6809 SCTP_FREE_SONAME(sin6); 6810 return (error); 6811 } 6812 *addr = (struct sockaddr *)sin6; 6813 break; 6814 } 6815#endif 6816 default: 6817 /* TSNH */ 6818 break; 6819 } 6820 /* Wake any delayed sleep action */ 6821 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 6822 SCTP_INP_WLOCK(inp); 6823 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 6824 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 6825 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 6826 SCTP_INP_WUNLOCK(inp); 6827 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 6828 if (sowriteable(inp->sctp_socket)) { 6829 sowwakeup_locked(inp->sctp_socket); 6830 } else { 6831 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 6832 } 6833 SCTP_INP_WLOCK(inp); 6834 } 6835 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 6836 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 6837 SCTP_INP_WUNLOCK(inp); 6838 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 6839 if (soreadable(inp->sctp_socket)) { 6840 sctp_defered_wakeup_cnt++; 6841 sorwakeup_locked(inp->sctp_socket); 6842 } else { 6843 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 6844 } 6845 SCTP_INP_WLOCK(inp); 6846 } 6847 SCTP_INP_WUNLOCK(inp); 6848 } 6849 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 6850 SCTP_TCB_LOCK(stcb); 6851 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 6852 } 6853 return (0); 6854} 6855 6856#ifdef INET 6857int 6858sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 6859{ 6860 struct sockaddr_in *sin; 6861 uint32_t vrf_id; 6862 struct sctp_inpcb *inp; 6863 struct sctp_ifa *sctp_ifa; 6864 6865 /* 6866 * Do the malloc first in case it blocks. 6867 */ 6868 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6869 if (sin == NULL) 6870 return (ENOMEM); 6871 sin->sin_family = AF_INET; 6872 sin->sin_len = sizeof(*sin); 6873 inp = (struct sctp_inpcb *)so->so_pcb; 6874 if (!inp) { 6875 SCTP_FREE_SONAME(sin); 6876 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6877 return (ECONNRESET); 6878 } 6879 SCTP_INP_RLOCK(inp); 6880 sin->sin_port = inp->sctp_lport; 6881 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 6882 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6883 struct sctp_tcb *stcb; 6884 struct sockaddr_in *sin_a; 6885 struct sctp_nets *net; 6886 int fnd; 6887 6888 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6889 if (stcb == NULL) { 6890 goto notConn; 6891 } 6892 fnd = 0; 6893 sin_a = NULL; 6894 SCTP_TCB_LOCK(stcb); 6895 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6896 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 6897 if (sin_a == NULL) 6898 /* this will make coverity happy */ 6899 continue; 6900 6901 if (sin_a->sin_family == AF_INET) { 6902 fnd = 1; 6903 break; 6904 } 6905 } 6906 if ((!fnd) || (sin_a == NULL)) { 6907 /* punt */ 6908 SCTP_TCB_UNLOCK(stcb); 6909 goto notConn; 6910 } 6911 vrf_id = inp->def_vrf_id; 6912 sctp_ifa = sctp_source_address_selection(inp, 6913 stcb, 6914 (sctp_route_t *) & net->ro, 6915 net, 0, vrf_id); 6916 if (sctp_ifa) { 6917 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 6918 sctp_free_ifa(sctp_ifa); 6919 } 6920 SCTP_TCB_UNLOCK(stcb); 6921 } else { 6922 /* For the bound all case you get back 0 */ 6923 notConn: 6924 sin->sin_addr.s_addr = 0; 6925 } 6926 6927 } else { 6928 /* Take the first IPv4 address in the list */ 6929 struct sctp_laddr *laddr; 6930 int fnd = 0; 6931 6932 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6933 if (laddr->ifa->address.sa.sa_family == AF_INET) { 6934 struct sockaddr_in *sin_a; 6935 6936 sin_a = &laddr->ifa->address.sin; 6937 sin->sin_addr = sin_a->sin_addr; 6938 fnd = 1; 6939 break; 6940 } 6941 } 6942 if (!fnd) { 6943 SCTP_FREE_SONAME(sin); 6944 SCTP_INP_RUNLOCK(inp); 6945 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 6946 return (ENOENT); 6947 } 6948 } 6949 SCTP_INP_RUNLOCK(inp); 6950 (*addr) = (struct sockaddr *)sin; 6951 return (0); 6952} 6953 6954int 6955sctp_peeraddr(struct socket *so, struct sockaddr **addr) 6956{ 6957 struct sockaddr_in *sin; 6958 int fnd; 6959 struct sockaddr_in *sin_a; 6960 struct sctp_inpcb *inp; 6961 struct sctp_tcb *stcb; 6962 struct sctp_nets *net; 6963 6964 /* Do the malloc first in case it blocks. */ 6965 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6966 if (sin == NULL) 6967 return (ENOMEM); 6968 sin->sin_family = AF_INET; 6969 sin->sin_len = sizeof(*sin); 6970 6971 inp = (struct sctp_inpcb *)so->so_pcb; 6972 if ((inp == NULL) || 6973 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 6974 /* UDP type and listeners will drop out here */ 6975 SCTP_FREE_SONAME(sin); 6976 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 6977 return (ENOTCONN); 6978 } 6979 SCTP_INP_RLOCK(inp); 6980 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6981 if (stcb) { 6982 SCTP_TCB_LOCK(stcb); 6983 } 6984 SCTP_INP_RUNLOCK(inp); 6985 if (stcb == NULL) { 6986 SCTP_FREE_SONAME(sin); 6987 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6988 return (ECONNRESET); 6989 } 6990 fnd = 0; 6991 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6992 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 6993 if (sin_a->sin_family == AF_INET) { 6994 fnd = 1; 6995 sin->sin_port = stcb->rport; 6996 sin->sin_addr = sin_a->sin_addr; 6997 break; 6998 } 6999 } 7000 SCTP_TCB_UNLOCK(stcb); 7001 if (!fnd) { 7002 /* No IPv4 address */ 7003 SCTP_FREE_SONAME(sin); 7004 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7005 return (ENOENT); 7006 } 7007 (*addr) = (struct sockaddr *)sin; 7008 return (0); 7009} 7010 7011struct pr_usrreqs sctp_usrreqs = { 7012 .pru_abort = sctp_abort, 7013 .pru_accept = sctp_accept, 7014 .pru_attach = sctp_attach, 7015 .pru_bind = sctp_bind, 7016 .pru_connect = sctp_connect, 7017 .pru_control = in_control, 7018 .pru_close = sctp_close, 7019 .pru_detach = sctp_close, 7020 .pru_sopoll = sopoll_generic, 7021 .pru_flush = sctp_flush, 7022 .pru_disconnect = sctp_disconnect, 7023 .pru_listen = sctp_listen, 7024 .pru_peeraddr = sctp_peeraddr, 7025 .pru_send = sctp_sendm, 7026 .pru_shutdown = sctp_shutdown, 7027 .pru_sockaddr = sctp_ingetaddr, 7028 .pru_sosend = sctp_sosend, 7029 .pru_soreceive = sctp_soreceive 7030}; 7031 7032#endif 7033