1 /*- 2 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2008-2011, by Randall Stewart. All rights reserved. 4 * Copyright (c) 2008-2011, by Michael Tuexen. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * a) Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * b) Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the distribution. 15 * 16 * c) Neither the name of Cisco Systems, Inc. nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* $KAME: sctp_usrreq.c,v 1.48 2005/03/07 23:26:08 itojun Exp $ */ 34 35 #include <sys/cdefs.h> 36 __FBSDID("$FreeBSD$"); 37 #include <netinet/sctp_os.h> 38 #include <sys/proc.h> 39 #include <netinet/sctp_pcb.h> 40 #include <netinet/sctp_header.h> 41 #include <netinet/sctp_var.h> 42 #if defined(INET6) 43 #endif 44 #include <netinet/sctp_sysctl.h> 45 #include <netinet/sctp_output.h> 46 #include <netinet/sctp_uio.h> 47 #include <netinet/sctp_asconf.h> 48 #include <netinet/sctputil.h> 49 #include <netinet/sctp_indata.h> 50 #include <netinet/sctp_timer.h> 51 #include <netinet/sctp_auth.h> 52 #include <netinet/sctp_bsd_addr.h> 53 #include <netinet/udp.h> 54 55 56 57 extern struct sctp_cc_functions sctp_cc_functions[]; 58 extern struct sctp_ss_functions sctp_ss_functions[]; 59 60 void 61 sctp_init(void) 62 { 63 u_long sb_max_adj; 64 65 /* Initialize and modify the sysctled variables */ 66 sctp_init_sysctls(); 67 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 68 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 69 /* 70 * Allow a user to take no more than 1/2 the number of clusters or 71 * the SB_MAX whichever is smaller for the send window. 72 */ 73 sb_max_adj = (u_long)((u_quad_t) (SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 74 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 75 (((uint32_t) nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT)); 76 /* 77 * Now for the recv window, should we take the same amount? or 78 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 79 * now I will just copy. 80 */ 81 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 82 SCTP_BASE_VAR(first_time) = 0; 83 SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 84 sctp_pcb_init(); 85 #if defined(SCTP_PACKET_LOGGING) 86 SCTP_BASE_VAR(packet_log_writers) = 0; 87 SCTP_BASE_VAR(packet_log_end) = 0; 88 bzero(&SCTP_BASE_VAR(packet_log_buffer), SCTP_PACKET_LOG_SIZE); 89 #endif 90 } 91 92 void 93 sctp_finish(void) 94 { 95 sctp_pcb_finish(); 96 } 97 98 99 100 void 101 sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz) 102 { 103 struct sctp_tmit_chunk *chk; 104 uint16_t overhead; 105 106 /* Adjust that too */ 107 stcb->asoc.smallest_mtu = nxtsz; 108 /* now off to subtract IP_DF flag if needed */ 109 overhead = IP_HDR_SIZE; 110 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) { 111 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id); 112 } 113 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) { 114 if ((chk->send_size + overhead) > nxtsz) { 115 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 116 } 117 } 118 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) { 119 if ((chk->send_size + overhead) > nxtsz) { 120 /* 121 * For this guy we also mark for immediate resend 122 * since we sent to big of chunk 123 */ 124 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 125 if (chk->sent < SCTP_DATAGRAM_RESEND) { 126 sctp_flight_size_decrease(chk); 127 sctp_total_flight_decrease(stcb, chk); 128 } 129 if (chk->sent != SCTP_DATAGRAM_RESEND) { 130 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt); 131 } 132 chk->sent = SCTP_DATAGRAM_RESEND; 133 chk->rec.data.doing_fast_retransmit = 0; 134 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 135 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 136 chk->whoTo->flight_size, 137 chk->book_size, 138 (uintptr_t) chk->whoTo, 139 chk->rec.data.TSN_seq); 140 } 141 /* Clear any time so NO RTT is being done */ 142 chk->do_rtt = 0; 143 } 144 } 145 } 146 147 #ifdef INET 148 static void 149 sctp_notify_mbuf(struct sctp_inpcb *inp, 150 struct sctp_tcb *stcb, 151 struct sctp_nets *net, 152 struct ip *ip, 153 struct sctphdr *sh) 154 { 155 struct icmp *icmph; 156 int totsz, tmr_stopped = 0; 157 uint16_t nxtsz; 158 159 /* protection */ 160 if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 161 (ip == NULL) || (sh == NULL)) { 162 if (stcb != NULL) { 163 SCTP_TCB_UNLOCK(stcb); 164 } 165 return; 166 } 167 /* First job is to verify the vtag matches what I would send */ 168 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 169 SCTP_TCB_UNLOCK(stcb); 170 return; 171 } 172 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 173 sizeof(struct ip))); 174 if (icmph->icmp_type != ICMP_UNREACH) { 175 /* We only care about unreachable */ 176 SCTP_TCB_UNLOCK(stcb); 177 return; 178 } 179 if (icmph->icmp_code != ICMP_UNREACH_NEEDFRAG) { 180 /* not a unreachable message due to frag. */ 181 SCTP_TCB_UNLOCK(stcb); 182 return; 183 } 184 totsz = ip->ip_len; 185 186 nxtsz = ntohs(icmph->icmp_nextmtu); 187 if (nxtsz == 0) { 188 /* 189 * old type router that does not tell us what the next size 190 * mtu is. Rats we will have to guess (in a educated fashion 191 * of course) 192 */ 193 nxtsz = sctp_get_prev_mtu(totsz); 194 } 195 /* Stop any PMTU timer */ 196 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 197 tmr_stopped = 1; 198 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 199 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 200 } 201 /* Adjust destination size limit */ 202 if (net->mtu > nxtsz) { 203 net->mtu = nxtsz; 204 if (net->port) { 205 net->mtu -= sizeof(struct udphdr); 206 } 207 } 208 /* now what about the ep? */ 209 if (stcb->asoc.smallest_mtu > nxtsz) { 210 sctp_pathmtu_adjustment(stcb, nxtsz); 211 } 212 if (tmr_stopped) 213 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 214 215 SCTP_TCB_UNLOCK(stcb); 216 } 217 218 #endif 219 220 void 221 sctp_notify(struct sctp_inpcb *inp, 222 struct ip *ip, 223 struct sctphdr *sh, 224 struct sockaddr *to, 225 struct sctp_tcb *stcb, 226 struct sctp_nets *net) 227 { 228 #if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 229 struct socket *so; 230 231 #endif 232 struct icmp *icmph; 233 234 /* protection */ 235 if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 236 (sh == NULL) || (to == NULL)) { 237 if (stcb) 238 SCTP_TCB_UNLOCK(stcb); 239 return; 240 } 241 /* First job is to verify the vtag matches what I would send */ 242 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 243 SCTP_TCB_UNLOCK(stcb); 244 return; 245 } 246 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 247 sizeof(struct ip))); 248 if (icmph->icmp_type != ICMP_UNREACH) { 249 /* We only care about unreachable */ 250 SCTP_TCB_UNLOCK(stcb); 251 return; 252 } 253 if ((icmph->icmp_code == ICMP_UNREACH_NET) || 254 (icmph->icmp_code == ICMP_UNREACH_HOST) || 255 (icmph->icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 256 (icmph->icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 257 (icmph->icmp_code == ICMP_UNREACH_ISOLATED) || 258 (icmph->icmp_code == ICMP_UNREACH_NET_PROHIB) || 259 (icmph->icmp_code == ICMP_UNREACH_HOST_PROHIB) || 260 (icmph->icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 261 262 /* 263 * Hmm reachablity problems we must examine closely. If its 264 * not reachable, we may have lost a network. Or if there is 265 * NO protocol at the other end named SCTP. well we consider 266 * it a OOTB abort. 267 */ 268 if (net->dest_state & SCTP_ADDR_REACHABLE) { 269 /* Ok that destination is NOT reachable */ 270 net->dest_state &= ~SCTP_ADDR_REACHABLE; 271 net->dest_state &= ~SCTP_ADDR_PF; 272 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 273 stcb, 0, 274 (void *)net, SCTP_SO_NOT_LOCKED); 275 } 276 SCTP_TCB_UNLOCK(stcb); 277 } else if ((icmph->icmp_code == ICMP_UNREACH_PROTOCOL) || 278 (icmph->icmp_code == ICMP_UNREACH_PORT)) { 279 /* 280 * Here the peer is either playing tricks on us, including 281 * an address that belongs to someone who does not support 282 * SCTP OR was a userland implementation that shutdown and 283 * now is dead. In either case treat it like a OOTB abort 284 * with no TCB 285 */ 286 sctp_abort_notification(stcb, 1, 0, NULL, SCTP_SO_NOT_LOCKED); 287 #if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 288 so = SCTP_INP_SO(inp); 289 atomic_add_int(&stcb->asoc.refcnt, 1); 290 SCTP_TCB_UNLOCK(stcb); 291 SCTP_SOCKET_LOCK(so, 1); 292 SCTP_TCB_LOCK(stcb); 293 atomic_subtract_int(&stcb->asoc.refcnt, 1); 294 #endif 295 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 296 #if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 297 SCTP_SOCKET_UNLOCK(so, 1); 298 /* SCTP_TCB_UNLOCK(stcb); MT: I think this is not needed. */ 299 #endif 300 /* no need to unlock here, since the TCB is gone */ 301 } else { 302 SCTP_TCB_UNLOCK(stcb); 303 } 304 } 305 306 #ifdef INET 307 void 308 sctp_ctlinput(cmd, sa, vip) 309 int cmd; 310 struct sockaddr *sa; 311 void *vip; 312 { 313 struct ip *ip = vip; 314 struct sctphdr *sh; 315 uint32_t vrf_id; 316 317 /* FIX, for non-bsd is this right? */ 318 vrf_id = SCTP_DEFAULT_VRFID; 319 if (sa->sa_family != AF_INET || 320 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 321 return; 322 } 323 if (PRC_IS_REDIRECT(cmd)) { 324 ip = 0; 325 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 326 return; 327 } 328 if (ip) { 329 struct sctp_inpcb *inp = NULL; 330 struct sctp_tcb *stcb = NULL; 331 struct sctp_nets *net = NULL; 332 struct sockaddr_in to, from; 333 334 sh = (struct sctphdr *)((caddr_t)ip + (ip->ip_hl << 2)); 335 bzero(&to, sizeof(to)); 336 bzero(&from, sizeof(from)); 337 from.sin_family = to.sin_family = AF_INET; 338 from.sin_len = to.sin_len = sizeof(to); 339 from.sin_port = sh->src_port; 340 from.sin_addr = ip->ip_src; 341 to.sin_port = sh->dest_port; 342 to.sin_addr = ip->ip_dst; 343 344 /* 345 * 'to' holds the dest of the packet that failed to be sent. 346 * 'from' holds our local endpoint address. Thus we reverse 347 * the to and the from in the lookup. 348 */ 349 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&from, 350 (struct sockaddr *)&to, 351 &inp, &net, 1, vrf_id); 352 if (stcb != NULL && inp && (inp->sctp_socket != NULL)) { 353 if (cmd != PRC_MSGSIZE) { 354 sctp_notify(inp, ip, sh, 355 (struct sockaddr *)&to, stcb, 356 net); 357 } else { 358 /* handle possible ICMP size messages */ 359 sctp_notify_mbuf(inp, stcb, net, ip, sh); 360 } 361 } else { 362 if ((stcb == NULL) && (inp != NULL)) { 363 /* reduce ref-count */ 364 SCTP_INP_WLOCK(inp); 365 SCTP_INP_DECR_REF(inp); 366 SCTP_INP_WUNLOCK(inp); 367 } 368 if (stcb) { 369 SCTP_TCB_UNLOCK(stcb); 370 } 371 } 372 } 373 return; 374 } 375 376 #endif 377 378 static int 379 sctp_getcred(SYSCTL_HANDLER_ARGS) 380 { 381 struct xucred xuc; 382 struct sockaddr_in addrs[2]; 383 struct sctp_inpcb *inp; 384 struct sctp_nets *net; 385 struct sctp_tcb *stcb; 386 int error; 387 uint32_t vrf_id; 388 389 /* FIX, for non-bsd is this right? */ 390 vrf_id = SCTP_DEFAULT_VRFID; 391 392 error = priv_check(req->td, PRIV_NETINET_GETCRED); 393 394 if (error) 395 return (error); 396 397 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 398 if (error) 399 return (error); 400 401 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[0]), 402 sintosa(&addrs[1]), 403 &inp, &net, 1, vrf_id); 404 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 405 if ((inp != NULL) && (stcb == NULL)) { 406 /* reduce ref-count */ 407 SCTP_INP_WLOCK(inp); 408 SCTP_INP_DECR_REF(inp); 409 goto cred_can_cont; 410 } 411 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 412 error = ENOENT; 413 goto out; 414 } 415 SCTP_TCB_UNLOCK(stcb); 416 /* 417 * We use the write lock here, only since in the error leg we need 418 * it. If we used RLOCK, then we would have to 419 * wlock/decr/unlock/rlock. Which in theory could create a hole. 420 * Better to use higher wlock. 421 */ 422 SCTP_INP_WLOCK(inp); 423 cred_can_cont: 424 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 425 if (error) { 426 SCTP_INP_WUNLOCK(inp); 427 goto out; 428 } 429 cru2x(inp->sctp_socket->so_cred, &xuc); 430 SCTP_INP_WUNLOCK(inp); 431 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 432 out: 433 return (error); 434 } 435 436 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW, 437 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection"); 438 439 440 #ifdef INET 441 static void 442 sctp_abort(struct socket *so) 443 { 444 struct sctp_inpcb *inp; 445 uint32_t flags; 446 447 inp = (struct sctp_inpcb *)so->so_pcb; 448 if (inp == NULL) { 449 return; 450 } 451 sctp_must_try_again: 452 flags = inp->sctp_flags; 453 #ifdef SCTP_LOG_CLOSING 454 sctp_log_closing(inp, NULL, 17); 455 #endif 456 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 457 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 458 #ifdef SCTP_LOG_CLOSING 459 sctp_log_closing(inp, NULL, 16); 460 #endif 461 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 462 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 463 SOCK_LOCK(so); 464 SCTP_SB_CLEAR(so->so_snd); 465 /* 466 * same for the rcv ones, they are only here for the 467 * accounting/select. 468 */ 469 SCTP_SB_CLEAR(so->so_rcv); 470 471 /* Now null out the reference, we are completely detached. */ 472 so->so_pcb = NULL; 473 SOCK_UNLOCK(so); 474 } else { 475 flags = inp->sctp_flags; 476 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 477 goto sctp_must_try_again; 478 } 479 } 480 return; 481 } 482 483 static int 484 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 485 { 486 struct sctp_inpcb *inp; 487 struct inpcb *ip_inp; 488 int error; 489 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 490 491 #ifdef IPSEC 492 uint32_t flags; 493 494 #endif 495 496 inp = (struct sctp_inpcb *)so->so_pcb; 497 if (inp != 0) { 498 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 499 return (EINVAL); 500 } 501 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 502 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 503 if (error) { 504 return (error); 505 } 506 } 507 error = sctp_inpcb_alloc(so, vrf_id); 508 if (error) { 509 return (error); 510 } 511 inp = (struct sctp_inpcb *)so->so_pcb; 512 SCTP_INP_WLOCK(inp); 513 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 514 ip_inp = &inp->ip_inp.inp; 515 ip_inp->inp_vflag |= INP_IPV4; 516 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 517 #ifdef IPSEC 518 error = ipsec_init_policy(so, &ip_inp->inp_sp); 519 #ifdef SCTP_LOG_CLOSING 520 sctp_log_closing(inp, NULL, 17); 521 #endif 522 if (error != 0) { 523 try_again: 524 flags = inp->sctp_flags; 525 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 526 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 527 #ifdef SCTP_LOG_CLOSING 528 sctp_log_closing(inp, NULL, 15); 529 #endif 530 SCTP_INP_WUNLOCK(inp); 531 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 532 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 533 } else { 534 flags = inp->sctp_flags; 535 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 536 goto try_again; 537 } else { 538 SCTP_INP_WUNLOCK(inp); 539 } 540 } 541 return (error); 542 } 543 #endif /* IPSEC */ 544 SCTP_INP_WUNLOCK(inp); 545 return (0); 546 } 547 548 static int 549 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 550 { 551 struct sctp_inpcb *inp = NULL; 552 int error; 553 554 #ifdef INET 555 if (addr && addr->sa_family != AF_INET) { 556 /* must be a v4 address! */ 557 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 558 return (EINVAL); 559 } 560 #endif /* INET6 */ 561 if (addr && (addr->sa_len != sizeof(struct sockaddr_in))) { 562 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 563 return (EINVAL); 564 } 565 inp = (struct sctp_inpcb *)so->so_pcb; 566 if (inp == NULL) { 567 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 568 return (EINVAL); 569 } 570 error = sctp_inpcb_bind(so, addr, NULL, p); 571 return (error); 572 } 573 574 #endif 575 void 576 sctp_close(struct socket *so) 577 { 578 struct sctp_inpcb *inp; 579 uint32_t flags; 580 581 inp = (struct sctp_inpcb *)so->so_pcb; 582 if (inp == NULL) 583 return; 584 585 /* 586 * Inform all the lower layer assoc that we are done. 587 */ 588 sctp_must_try_again: 589 flags = inp->sctp_flags; 590 #ifdef SCTP_LOG_CLOSING 591 sctp_log_closing(inp, NULL, 17); 592 #endif 593 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 594 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 595 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 596 (so->so_rcv.sb_cc > 0)) { 597 #ifdef SCTP_LOG_CLOSING 598 sctp_log_closing(inp, NULL, 13); 599 #endif 600 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 601 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 602 } else { 603 #ifdef SCTP_LOG_CLOSING 604 sctp_log_closing(inp, NULL, 14); 605 #endif 606 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 607 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 608 } 609 /* 610 * The socket is now detached, no matter what the state of 611 * the SCTP association. 612 */ 613 SOCK_LOCK(so); 614 SCTP_SB_CLEAR(so->so_snd); 615 /* 616 * same for the rcv ones, they are only here for the 617 * accounting/select. 618 */ 619 SCTP_SB_CLEAR(so->so_rcv); 620 621 /* Now null out the reference, we are completely detached. */ 622 so->so_pcb = NULL; 623 SOCK_UNLOCK(so); 624 } else { 625 flags = inp->sctp_flags; 626 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 627 goto sctp_must_try_again; 628 } 629 } 630 return; 631 } 632 633 634 int 635 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 636 struct mbuf *control, struct thread *p); 637 638 639 int 640 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 641 struct mbuf *control, struct thread *p) 642 { 643 struct sctp_inpcb *inp; 644 int error; 645 646 inp = (struct sctp_inpcb *)so->so_pcb; 647 if (inp == NULL) { 648 if (control) { 649 sctp_m_freem(control); 650 control = NULL; 651 } 652 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 653 sctp_m_freem(m); 654 return (EINVAL); 655 } 656 /* Got to have an to address if we are NOT a connected socket */ 657 if ((addr == NULL) && 658 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 659 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 660 goto connected_type; 661 } else if (addr == NULL) { 662 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 663 error = EDESTADDRREQ; 664 sctp_m_freem(m); 665 if (control) { 666 sctp_m_freem(control); 667 control = NULL; 668 } 669 return (error); 670 } 671 #ifdef INET6 672 if (addr->sa_family != AF_INET) { 673 /* must be a v4 address! */ 674 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 675 sctp_m_freem(m); 676 if (control) { 677 sctp_m_freem(control); 678 control = NULL; 679 } 680 error = EDESTADDRREQ; 681 return (error); 682 } 683 #endif /* INET6 */ 684 connected_type: 685 /* now what about control */ 686 if (control) { 687 if (inp->control) { 688 SCTP_PRINTF("huh? control set?\n"); 689 sctp_m_freem(inp->control); 690 inp->control = NULL; 691 } 692 inp->control = control; 693 } 694 /* Place the data */ 695 if (inp->pkt) { 696 SCTP_BUF_NEXT(inp->pkt_last) = m; 697 inp->pkt_last = m; 698 } else { 699 inp->pkt_last = inp->pkt = m; 700 } 701 if ( 702 /* FreeBSD uses a flag passed */ 703 ((flags & PRUS_MORETOCOME) == 0) 704 ) { 705 /* 706 * note with the current version this code will only be used 707 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 708 * re-defining sosend to use the sctp_sosend. One can 709 * optionally switch back to this code (by changing back the 710 * definitions) but this is not advisable. This code is used 711 * by FreeBSD when sending a file with sendfile() though. 712 */ 713 int ret; 714 715 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 716 inp->pkt = NULL; 717 inp->control = NULL; 718 return (ret); 719 } else { 720 return (0); 721 } 722 } 723 724 int 725 sctp_disconnect(struct socket *so) 726 { 727 struct sctp_inpcb *inp; 728 729 inp = (struct sctp_inpcb *)so->so_pcb; 730 if (inp == NULL) { 731 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 732 return (ENOTCONN); 733 } 734 SCTP_INP_RLOCK(inp); 735 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 736 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 737 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 738 /* No connection */ 739 SCTP_INP_RUNLOCK(inp); 740 return (0); 741 } else { 742 struct sctp_association *asoc; 743 struct sctp_tcb *stcb; 744 745 stcb = LIST_FIRST(&inp->sctp_asoc_list); 746 if (stcb == NULL) { 747 SCTP_INP_RUNLOCK(inp); 748 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 749 return (EINVAL); 750 } 751 SCTP_TCB_LOCK(stcb); 752 asoc = &stcb->asoc; 753 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 754 /* We are about to be freed, out of here */ 755 SCTP_TCB_UNLOCK(stcb); 756 SCTP_INP_RUNLOCK(inp); 757 return (0); 758 } 759 if (((so->so_options & SO_LINGER) && 760 (so->so_linger == 0)) || 761 (so->so_rcv.sb_cc > 0)) { 762 if (SCTP_GET_STATE(asoc) != 763 SCTP_STATE_COOKIE_WAIT) { 764 /* Left with Data unread */ 765 struct mbuf *err; 766 767 err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_DONTWAIT, 1, MT_DATA); 768 if (err) { 769 /* 770 * Fill in the user 771 * initiated abort 772 */ 773 struct sctp_paramhdr *ph; 774 775 ph = mtod(err, struct sctp_paramhdr *); 776 SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr); 777 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT); 778 ph->param_length = htons(SCTP_BUF_LEN(err)); 779 } 780 sctp_send_abort_tcb(stcb, err, SCTP_SO_LOCKED); 781 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 782 } 783 SCTP_INP_RUNLOCK(inp); 784 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 785 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 786 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 787 } 788 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 789 /* No unlock tcb assoc is gone */ 790 return (0); 791 } 792 if (TAILQ_EMPTY(&asoc->send_queue) && 793 TAILQ_EMPTY(&asoc->sent_queue) && 794 (asoc->stream_queue_cnt == 0)) { 795 /* there is nothing queued to send, so done */ 796 if (asoc->locked_on_sending) { 797 goto abort_anyway; 798 } 799 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) && 800 (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 801 /* only send SHUTDOWN 1st time thru */ 802 struct sctp_nets *netp; 803 804 if (stcb->asoc.alternate) { 805 netp = stcb->asoc.alternate; 806 } else { 807 netp = stcb->asoc.primary_destination; 808 } 809 sctp_stop_timers_for_shutdown(stcb); 810 sctp_send_shutdown(stcb, netp); 811 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 812 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 813 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 814 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 815 } 816 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 817 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 818 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 819 stcb->sctp_ep, stcb, netp); 820 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 821 stcb->sctp_ep, stcb, netp); 822 823 } 824 } else { 825 /* 826 * we still got (or just got) data to send, 827 * so set SHUTDOWN_PENDING 828 */ 829 /* 830 * XXX sockets draft says that SCTP_EOF 831 * should be sent with no data. currently, 832 * we will allow user data to be sent first 833 * and move to SHUTDOWN-PENDING 834 */ 835 struct sctp_nets *netp; 836 837 if (stcb->asoc.alternate) { 838 netp = stcb->asoc.alternate; 839 } else { 840 netp = stcb->asoc.primary_destination; 841 } 842 843 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 844 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 845 netp); 846 if (asoc->locked_on_sending) { 847 /* Locked to send out the data */ 848 struct sctp_stream_queue_pending *sp; 849 850 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 851 if (sp == NULL) { 852 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 853 asoc->locked_on_sending->stream_no); 854 } else { 855 if ((sp->length == 0) && (sp->msg_is_complete == 0)) 856 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 857 } 858 } 859 if (TAILQ_EMPTY(&asoc->send_queue) && 860 TAILQ_EMPTY(&asoc->sent_queue) && 861 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 862 struct mbuf *op_err; 863 864 abort_anyway: 865 op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)), 866 0, M_DONTWAIT, 1, MT_DATA); 867 if (op_err) { 868 /* 869 * Fill in the user 870 * initiated abort 871 */ 872 struct sctp_paramhdr *ph; 873 uint32_t *ippp; 874 875 SCTP_BUF_LEN(op_err) = 876 (sizeof(struct sctp_paramhdr) + sizeof(uint32_t)); 877 ph = mtod(op_err, 878 struct sctp_paramhdr *); 879 ph->param_type = htons( 880 SCTP_CAUSE_USER_INITIATED_ABT); 881 ph->param_length = htons(SCTP_BUF_LEN(op_err)); 882 ippp = (uint32_t *) (ph + 1); 883 *ippp = htonl(SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4); 884 } 885 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 886 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 887 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 888 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 889 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 890 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 891 } 892 SCTP_INP_RUNLOCK(inp); 893 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 894 return (0); 895 } else { 896 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 897 } 898 } 899 soisdisconnecting(so); 900 SCTP_TCB_UNLOCK(stcb); 901 SCTP_INP_RUNLOCK(inp); 902 return (0); 903 } 904 /* not reached */ 905 } else { 906 /* UDP model does not support this */ 907 SCTP_INP_RUNLOCK(inp); 908 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 909 return (EOPNOTSUPP); 910 } 911 } 912 913 int 914 sctp_flush(struct socket *so, int how) 915 { 916 /* 917 * We will just clear out the values and let subsequent close clear 918 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 919 * they will not be able to read the data, the socket will block 920 * that from happening. 921 */ 922 struct sctp_inpcb *inp; 923 924 inp = (struct sctp_inpcb *)so->so_pcb; 925 if (inp == NULL) { 926 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 927 return (EINVAL); 928 } 929 SCTP_INP_RLOCK(inp); 930 /* For the 1 to many model this does nothing */ 931 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 932 SCTP_INP_RUNLOCK(inp); 933 return (0); 934 } 935 SCTP_INP_RUNLOCK(inp); 936 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 937 /* 938 * First make sure the sb will be happy, we don't use these 939 * except maybe the count 940 */ 941 SCTP_INP_WLOCK(inp); 942 SCTP_INP_READ_LOCK(inp); 943 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 944 SCTP_INP_READ_UNLOCK(inp); 945 SCTP_INP_WUNLOCK(inp); 946 so->so_rcv.sb_cc = 0; 947 so->so_rcv.sb_mbcnt = 0; 948 so->so_rcv.sb_mb = NULL; 949 } 950 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 951 /* 952 * First make sure the sb will be happy, we don't use these 953 * except maybe the count 954 */ 955 so->so_snd.sb_cc = 0; 956 so->so_snd.sb_mbcnt = 0; 957 so->so_snd.sb_mb = NULL; 958 959 } 960 return (0); 961 } 962 963 int 964 sctp_shutdown(struct socket *so) 965 { 966 struct sctp_inpcb *inp; 967 968 inp = (struct sctp_inpcb *)so->so_pcb; 969 if (inp == NULL) { 970 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 971 return (EINVAL); 972 } 973 SCTP_INP_RLOCK(inp); 974 /* For UDP model this is a invalid call */ 975 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 976 /* Restore the flags that the soshutdown took away. */ 977 SOCKBUF_LOCK(&so->so_rcv); 978 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 979 SOCKBUF_UNLOCK(&so->so_rcv); 980 /* This proc will wakeup for read and do nothing (I hope) */ 981 SCTP_INP_RUNLOCK(inp); 982 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 983 return (EOPNOTSUPP); 984 } 985 /* 986 * Ok if we reach here its the TCP model and it is either a SHUT_WR 987 * or SHUT_RDWR. This means we put the shutdown flag against it. 988 */ 989 { 990 struct sctp_tcb *stcb; 991 struct sctp_association *asoc; 992 993 if ((so->so_state & 994 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 995 SCTP_INP_RUNLOCK(inp); 996 return (ENOTCONN); 997 } 998 socantsendmore(so); 999 1000 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1001 if (stcb == NULL) { 1002 /* 1003 * Ok we hit the case that the shutdown call was 1004 * made after an abort or something. Nothing to do 1005 * now. 1006 */ 1007 SCTP_INP_RUNLOCK(inp); 1008 return (0); 1009 } 1010 SCTP_TCB_LOCK(stcb); 1011 asoc = &stcb->asoc; 1012 if (TAILQ_EMPTY(&asoc->send_queue) && 1013 TAILQ_EMPTY(&asoc->sent_queue) && 1014 (asoc->stream_queue_cnt == 0)) { 1015 if (asoc->locked_on_sending) { 1016 goto abort_anyway; 1017 } 1018 /* there is nothing queued to send, so I'm done... */ 1019 if (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) { 1020 /* only send SHUTDOWN the first time through */ 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 sctp_stop_timers_for_shutdown(stcb); 1029 sctp_send_shutdown(stcb, netp); 1030 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 1031 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 1032 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 1033 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 1034 } 1035 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 1036 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 1037 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 1038 stcb->sctp_ep, stcb, netp); 1039 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 1040 stcb->sctp_ep, stcb, netp); 1041 } 1042 } else { 1043 /* 1044 * we still got (or just got) data to send, so set 1045 * SHUTDOWN_PENDING 1046 */ 1047 struct sctp_nets *netp; 1048 1049 if (stcb->asoc.alternate) { 1050 netp = stcb->asoc.alternate; 1051 } else { 1052 netp = stcb->asoc.primary_destination; 1053 } 1054 1055 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 1056 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 1057 netp); 1058 1059 if (asoc->locked_on_sending) { 1060 /* Locked to send out the data */ 1061 struct sctp_stream_queue_pending *sp; 1062 1063 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 1064 if (sp == NULL) { 1065 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 1066 asoc->locked_on_sending->stream_no); 1067 } else { 1068 if ((sp->length == 0) && (sp->msg_is_complete == 0)) { 1069 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 1070 } 1071 } 1072 } 1073 if (TAILQ_EMPTY(&asoc->send_queue) && 1074 TAILQ_EMPTY(&asoc->sent_queue) && 1075 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 1076 struct mbuf *op_err; 1077 1078 abort_anyway: 1079 op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)), 1080 0, M_DONTWAIT, 1, MT_DATA); 1081 if (op_err) { 1082 /* Fill in the user initiated abort */ 1083 struct sctp_paramhdr *ph; 1084 uint32_t *ippp; 1085 1086 SCTP_BUF_LEN(op_err) = 1087 sizeof(struct sctp_paramhdr) + sizeof(uint32_t); 1088 ph = mtod(op_err, 1089 struct sctp_paramhdr *); 1090 ph->param_type = htons( 1091 SCTP_CAUSE_USER_INITIATED_ABT); 1092 ph->param_length = htons(SCTP_BUF_LEN(op_err)); 1093 ippp = (uint32_t *) (ph + 1); 1094 *ippp = htonl(SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6); 1095 } 1096 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 1097 sctp_abort_an_association(stcb->sctp_ep, stcb, 1098 op_err, SCTP_SO_LOCKED); 1099 goto skip_unlock; 1100 } else { 1101 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 1102 } 1103 } 1104 SCTP_TCB_UNLOCK(stcb); 1105 } 1106 skip_unlock: 1107 SCTP_INP_RUNLOCK(inp); 1108 return (0); 1109 } 1110 1111 /* 1112 * copies a "user" presentable address and removes embedded scope, etc. 1113 * returns 0 on success, 1 on error 1114 */ 1115 static uint32_t 1116 sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 1117 { 1118 #ifdef INET6 1119 struct sockaddr_in6 lsa6; 1120 1121 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 1122 &lsa6); 1123 #endif 1124 memcpy(ss, sa, sa->sa_len); 1125 return (0); 1126 } 1127 1128 1129 1130 /* 1131 * NOTE: assumes addr lock is held 1132 */ 1133 static size_t 1134 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1135 struct sctp_tcb *stcb, 1136 size_t limit, 1137 struct sockaddr_storage *sas, 1138 uint32_t vrf_id) 1139 { 1140 struct sctp_ifn *sctp_ifn; 1141 struct sctp_ifa *sctp_ifa; 1142 int loopback_scope, ipv4_local_scope, local_scope, site_scope; 1143 size_t actual; 1144 int ipv4_addr_legal, ipv6_addr_legal; 1145 struct sctp_vrf *vrf; 1146 1147 actual = 0; 1148 if (limit <= 0) 1149 return (actual); 1150 1151 if (stcb) { 1152 /* Turn on all the appropriate scope */ 1153 loopback_scope = stcb->asoc.loopback_scope; 1154 ipv4_local_scope = stcb->asoc.ipv4_local_scope; 1155 local_scope = stcb->asoc.local_scope; 1156 site_scope = stcb->asoc.site_scope; 1157 } else { 1158 /* Turn on ALL scope, since we look at the EP */ 1159 loopback_scope = ipv4_local_scope = local_scope = 1160 site_scope = 1; 1161 } 1162 ipv4_addr_legal = ipv6_addr_legal = 0; 1163 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1164 ipv6_addr_legal = 1; 1165 if (SCTP_IPV6_V6ONLY(inp) == 0) { 1166 ipv4_addr_legal = 1; 1167 } 1168 } else { 1169 ipv4_addr_legal = 1; 1170 } 1171 vrf = sctp_find_vrf(vrf_id); 1172 if (vrf == NULL) { 1173 return (0); 1174 } 1175 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1176 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1177 if ((loopback_scope == 0) && 1178 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1179 /* Skip loopback if loopback_scope not set */ 1180 continue; 1181 } 1182 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1183 if (stcb) { 1184 /* 1185 * For the BOUND-ALL case, the list 1186 * associated with a TCB is Always 1187 * considered a reverse list.. i.e. 1188 * it lists addresses that are NOT 1189 * part of the association. If this 1190 * is one of those we must skip it. 1191 */ 1192 if (sctp_is_addr_restricted(stcb, 1193 sctp_ifa)) { 1194 continue; 1195 } 1196 } 1197 switch (sctp_ifa->address.sa.sa_family) { 1198 #ifdef INET 1199 case AF_INET: 1200 if (ipv4_addr_legal) { 1201 struct sockaddr_in *sin; 1202 1203 sin = (struct sockaddr_in *)&sctp_ifa->address.sa; 1204 if (sin->sin_addr.s_addr == 0) { 1205 /* 1206 * we skip 1207 * unspecifed 1208 * addresses 1209 */ 1210 continue; 1211 } 1212 if ((ipv4_local_scope == 0) && 1213 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1214 continue; 1215 } 1216 #ifdef INET6 1217 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1218 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1219 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1220 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1221 actual += sizeof(struct sockaddr_in6); 1222 } else { 1223 #endif 1224 memcpy(sas, sin, sizeof(*sin)); 1225 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1226 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin)); 1227 actual += sizeof(*sin); 1228 #ifdef INET6 1229 } 1230 #endif 1231 if (actual >= limit) { 1232 return (actual); 1233 } 1234 } else { 1235 continue; 1236 } 1237 break; 1238 #endif 1239 #ifdef INET6 1240 case AF_INET6: 1241 if (ipv6_addr_legal) { 1242 struct sockaddr_in6 *sin6; 1243 1244 sin6 = (struct sockaddr_in6 *)&sctp_ifa->address.sa; 1245 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1246 /* 1247 * we skip 1248 * unspecifed 1249 * addresses 1250 */ 1251 continue; 1252 } 1253 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1254 if (local_scope == 0) 1255 continue; 1256 if (sin6->sin6_scope_id == 0) { 1257 if (sa6_recoverscope(sin6) != 0) 1258 /* 1259 * 1260 * bad 1261 * 1262 * li 1263 * nk 1264 * 1265 * loc 1266 * al 1267 * 1268 * add 1269 * re 1270 * ss 1271 * */ 1272 continue; 1273 } 1274 } 1275 if ((site_scope == 0) && 1276 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1277 continue; 1278 } 1279 memcpy(sas, sin6, sizeof(*sin6)); 1280 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1281 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6)); 1282 actual += sizeof(*sin6); 1283 if (actual >= limit) { 1284 return (actual); 1285 } 1286 } else { 1287 continue; 1288 } 1289 break; 1290 #endif 1291 default: 1292 /* TSNH */ 1293 break; 1294 } 1295 } 1296 } 1297 } else { 1298 struct sctp_laddr *laddr; 1299 1300 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1301 if (stcb) { 1302 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1303 continue; 1304 } 1305 } 1306 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1307 continue; 1308 1309 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1310 sas = (struct sockaddr_storage *)((caddr_t)sas + 1311 laddr->ifa->address.sa.sa_len); 1312 actual += laddr->ifa->address.sa.sa_len; 1313 if (actual >= limit) { 1314 return (actual); 1315 } 1316 } 1317 } 1318 return (actual); 1319 } 1320 1321 static size_t 1322 sctp_fill_up_addresses(struct sctp_inpcb *inp, 1323 struct sctp_tcb *stcb, 1324 size_t limit, 1325 struct sockaddr_storage *sas) 1326 { 1327 size_t size = 0; 1328 1329 SCTP_IPI_ADDR_RLOCK(); 1330 /* fill up addresses for the endpoint's default vrf */ 1331 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1332 inp->def_vrf_id); 1333 SCTP_IPI_ADDR_RUNLOCK(); 1334 return (size); 1335 } 1336 1337 /* 1338 * NOTE: assumes addr lock is held 1339 */ 1340 static int 1341 sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1342 { 1343 int cnt = 0; 1344 struct sctp_vrf *vrf = NULL; 1345 1346 /* 1347 * In both sub-set bound an bound_all cases we return the MAXIMUM 1348 * number of addresses that you COULD get. In reality the sub-set 1349 * bound may have an exclusion list for a given TCB OR in the 1350 * bound-all case a TCB may NOT include the loopback or other 1351 * addresses as well. 1352 */ 1353 vrf = sctp_find_vrf(vrf_id); 1354 if (vrf == NULL) { 1355 return (0); 1356 } 1357 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1358 struct sctp_ifn *sctp_ifn; 1359 struct sctp_ifa *sctp_ifa; 1360 1361 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1362 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1363 /* Count them if they are the right type */ 1364 switch (sctp_ifa->address.sa.sa_family) { 1365 #ifdef INET 1366 case AF_INET: 1367 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1368 cnt += sizeof(struct sockaddr_in6); 1369 else 1370 cnt += sizeof(struct sockaddr_in); 1371 break; 1372 #endif 1373 #ifdef INET6 1374 case AF_INET6: 1375 cnt += sizeof(struct sockaddr_in6); 1376 break; 1377 #endif 1378 default: 1379 break; 1380 } 1381 } 1382 } 1383 } else { 1384 struct sctp_laddr *laddr; 1385 1386 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1387 switch (laddr->ifa->address.sa.sa_family) { 1388 #ifdef INET 1389 case AF_INET: 1390 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1391 cnt += sizeof(struct sockaddr_in6); 1392 else 1393 cnt += sizeof(struct sockaddr_in); 1394 break; 1395 #endif 1396 #ifdef INET6 1397 case AF_INET6: 1398 cnt += sizeof(struct sockaddr_in6); 1399 break; 1400 #endif 1401 default: 1402 break; 1403 } 1404 } 1405 } 1406 return (cnt); 1407 } 1408 1409 static int 1410 sctp_count_max_addresses(struct sctp_inpcb *inp) 1411 { 1412 int cnt = 0; 1413 1414 SCTP_IPI_ADDR_RLOCK(); 1415 /* count addresses for the endpoint's default VRF */ 1416 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1417 SCTP_IPI_ADDR_RUNLOCK(); 1418 return (cnt); 1419 } 1420 1421 static int 1422 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1423 size_t optsize, void *p, int delay) 1424 { 1425 int error = 0; 1426 int creat_lock_on = 0; 1427 struct sctp_tcb *stcb = NULL; 1428 struct sockaddr *sa; 1429 int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1430 uint32_t vrf_id; 1431 int bad_addresses = 0; 1432 sctp_assoc_t *a_id; 1433 1434 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1435 1436 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1437 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1438 /* We are already connected AND the TCP model */ 1439 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1440 return (EADDRINUSE); 1441 } 1442 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1443 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1444 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1445 return (EINVAL); 1446 } 1447 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1448 SCTP_INP_RLOCK(inp); 1449 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1450 SCTP_INP_RUNLOCK(inp); 1451 } 1452 if (stcb) { 1453 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1454 return (EALREADY); 1455 } 1456 SCTP_INP_INCR_REF(inp); 1457 SCTP_ASOC_CREATE_LOCK(inp); 1458 creat_lock_on = 1; 1459 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1460 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1461 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1462 error = EFAULT; 1463 goto out_now; 1464 } 1465 totaddrp = (int *)optval; 1466 totaddr = *totaddrp; 1467 sa = (struct sockaddr *)(totaddrp + 1); 1468 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (optsize - sizeof(int)), &bad_addresses); 1469 if ((stcb != NULL) || bad_addresses) { 1470 /* Already have or am bring up an association */ 1471 SCTP_ASOC_CREATE_UNLOCK(inp); 1472 creat_lock_on = 0; 1473 if (stcb) 1474 SCTP_TCB_UNLOCK(stcb); 1475 if (bad_addresses == 0) { 1476 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1477 error = EALREADY; 1478 } 1479 goto out_now; 1480 } 1481 #ifdef INET6 1482 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1483 (num_v6 > 0)) { 1484 error = EINVAL; 1485 goto out_now; 1486 } 1487 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1488 (num_v4 > 0)) { 1489 struct in6pcb *inp6; 1490 1491 inp6 = (struct in6pcb *)inp; 1492 if (SCTP_IPV6_V6ONLY(inp6)) { 1493 /* 1494 * if IPV6_V6ONLY flag, ignore connections destined 1495 * to a v4 addr or v4-mapped addr 1496 */ 1497 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1498 error = EINVAL; 1499 goto out_now; 1500 } 1501 } 1502 #endif /* INET6 */ 1503 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1504 SCTP_PCB_FLAGS_UNBOUND) { 1505 /* Bind a ephemeral port */ 1506 error = sctp_inpcb_bind(so, NULL, NULL, p); 1507 if (error) { 1508 goto out_now; 1509 } 1510 } 1511 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1512 vrf_id = inp->def_vrf_id; 1513 1514 1515 /* We are GOOD to go */ 1516 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1517 (struct thread *)p 1518 ); 1519 if (stcb == NULL) { 1520 /* Gak! no memory */ 1521 goto out_now; 1522 } 1523 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1524 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1525 /* Set the connected flag so we can queue data */ 1526 soisconnecting(so); 1527 } 1528 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 1529 /* move to second address */ 1530 switch (sa->sa_family) { 1531 #ifdef INET 1532 case AF_INET: 1533 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1534 break; 1535 #endif 1536 #ifdef INET6 1537 case AF_INET6: 1538 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1539 break; 1540 #endif 1541 default: 1542 break; 1543 } 1544 1545 error = 0; 1546 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1547 /* Fill in the return id */ 1548 if (error) { 1549 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6); 1550 goto out_now; 1551 } 1552 a_id = (sctp_assoc_t *) optval; 1553 *a_id = sctp_get_associd(stcb); 1554 1555 /* initialize authentication parameters for the assoc */ 1556 sctp_initialize_auth_params(inp, stcb); 1557 1558 if (delay) { 1559 /* doing delayed connection */ 1560 stcb->asoc.delayed_connection = 1; 1561 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1562 } else { 1563 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1564 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1565 } 1566 SCTP_TCB_UNLOCK(stcb); 1567 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1568 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1569 /* Set the connected flag so we can queue data */ 1570 soisconnecting(so); 1571 } 1572 out_now: 1573 if (creat_lock_on) { 1574 SCTP_ASOC_CREATE_UNLOCK(inp); 1575 } 1576 SCTP_INP_DECR_REF(inp); 1577 return (error); 1578 } 1579 1580 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1581 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1582 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1583 SCTP_INP_RLOCK(inp); \ 1584 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1585 if (stcb) { \ 1586 SCTP_TCB_LOCK(stcb); \ 1587 } \ 1588 SCTP_INP_RUNLOCK(inp); \ 1589 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1590 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1591 if (stcb == NULL) { \ 1592 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1593 error = ENOENT; \ 1594 break; \ 1595 } \ 1596 } else { \ 1597 stcb = NULL; \ 1598 } \ 1599 } 1600 1601 1602 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1603 if (size < sizeof(type)) { \ 1604 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1605 error = EINVAL; \ 1606 break; \ 1607 } else { \ 1608 destp = (type *)srcp; \ 1609 } \ 1610 } 1611 1612 static int 1613 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1614 void *p) 1615 { 1616 struct sctp_inpcb *inp = NULL; 1617 int error, val = 0; 1618 struct sctp_tcb *stcb = NULL; 1619 1620 if (optval == NULL) { 1621 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1622 return (EINVAL); 1623 } 1624 inp = (struct sctp_inpcb *)so->so_pcb; 1625 if (inp == NULL) { 1626 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1627 return EINVAL; 1628 } 1629 error = 0; 1630 1631 switch (optname) { 1632 case SCTP_NODELAY: 1633 case SCTP_AUTOCLOSE: 1634 case SCTP_EXPLICIT_EOR: 1635 case SCTP_AUTO_ASCONF: 1636 case SCTP_DISABLE_FRAGMENTS: 1637 case SCTP_I_WANT_MAPPED_V4_ADDR: 1638 case SCTP_USE_EXT_RCVINFO: 1639 SCTP_INP_RLOCK(inp); 1640 switch (optname) { 1641 case SCTP_DISABLE_FRAGMENTS: 1642 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1643 break; 1644 case SCTP_I_WANT_MAPPED_V4_ADDR: 1645 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1646 break; 1647 case SCTP_AUTO_ASCONF: 1648 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1649 /* only valid for bound all sockets */ 1650 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1651 } else { 1652 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1653 error = EINVAL; 1654 goto flags_out; 1655 } 1656 break; 1657 case SCTP_EXPLICIT_EOR: 1658 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1659 break; 1660 case SCTP_NODELAY: 1661 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1662 break; 1663 case SCTP_USE_EXT_RCVINFO: 1664 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1665 break; 1666 case SCTP_AUTOCLOSE: 1667 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1668 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1669 else 1670 val = 0; 1671 break; 1672 1673 default: 1674 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1675 error = ENOPROTOOPT; 1676 } /* end switch (sopt->sopt_name) */ 1677 if (*optsize < sizeof(val)) { 1678 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1679 error = EINVAL; 1680 } 1681 flags_out: 1682 SCTP_INP_RUNLOCK(inp); 1683 if (error == 0) { 1684 /* return the option value */ 1685 *(int *)optval = val; 1686 *optsize = sizeof(val); 1687 } 1688 break; 1689 case SCTP_GET_PACKET_LOG: 1690 { 1691 #ifdef SCTP_PACKET_LOGGING 1692 uint8_t *target; 1693 int ret; 1694 1695 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1696 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1697 *optsize = ret; 1698 #else 1699 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1700 error = EOPNOTSUPP; 1701 #endif 1702 break; 1703 } 1704 case SCTP_REUSE_PORT: 1705 { 1706 uint32_t *value; 1707 1708 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1709 /* Can't do this for a 1-m socket */ 1710 error = EINVAL; 1711 break; 1712 } 1713 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1714 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1715 *optsize = sizeof(uint32_t); 1716 break; 1717 } 1718 case SCTP_PARTIAL_DELIVERY_POINT: 1719 { 1720 uint32_t *value; 1721 1722 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1723 *value = inp->partial_delivery_point; 1724 *optsize = sizeof(uint32_t); 1725 break; 1726 } 1727 case SCTP_FRAGMENT_INTERLEAVE: 1728 { 1729 uint32_t *value; 1730 1731 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1732 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1733 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1734 *value = SCTP_FRAG_LEVEL_2; 1735 } else { 1736 *value = SCTP_FRAG_LEVEL_1; 1737 } 1738 } else { 1739 *value = SCTP_FRAG_LEVEL_0; 1740 } 1741 *optsize = sizeof(uint32_t); 1742 break; 1743 } 1744 case SCTP_CMT_ON_OFF: 1745 { 1746 struct sctp_assoc_value *av; 1747 1748 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1749 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1750 if (stcb) { 1751 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1752 SCTP_TCB_UNLOCK(stcb); 1753 } else { 1754 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1755 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1756 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1757 SCTP_INP_RLOCK(inp); 1758 av->assoc_value = inp->sctp_cmt_on_off; 1759 SCTP_INP_RUNLOCK(inp); 1760 } else { 1761 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1762 error = EINVAL; 1763 } 1764 } 1765 if (error == 0) { 1766 *optsize = sizeof(struct sctp_assoc_value); 1767 } 1768 break; 1769 } 1770 case SCTP_PLUGGABLE_CC: 1771 { 1772 struct sctp_assoc_value *av; 1773 1774 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1775 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1776 if (stcb) { 1777 av->assoc_value = stcb->asoc.congestion_control_module; 1778 SCTP_TCB_UNLOCK(stcb); 1779 } else { 1780 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1781 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1782 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1783 SCTP_INP_RLOCK(inp); 1784 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1785 SCTP_INP_RUNLOCK(inp); 1786 } else { 1787 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1788 error = EINVAL; 1789 } 1790 } 1791 if (error == 0) { 1792 *optsize = sizeof(struct sctp_assoc_value); 1793 } 1794 break; 1795 } 1796 case SCTP_CC_OPTION: 1797 { 1798 struct sctp_cc_option *cc_opt; 1799 1800 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1801 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1802 if (stcb == NULL) { 1803 error = EINVAL; 1804 } else { 1805 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1806 error = ENOTSUP; 1807 } else { 1808 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1809 *optsize = sizeof(struct sctp_cc_option); 1810 } 1811 SCTP_TCB_UNLOCK(stcb); 1812 } 1813 break; 1814 } 1815 case SCTP_PLUGGABLE_SS: 1816 { 1817 struct sctp_assoc_value *av; 1818 1819 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1820 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1821 if (stcb) { 1822 av->assoc_value = stcb->asoc.stream_scheduling_module; 1823 SCTP_TCB_UNLOCK(stcb); 1824 } else { 1825 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1826 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1827 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1828 SCTP_INP_RLOCK(inp); 1829 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1830 SCTP_INP_RUNLOCK(inp); 1831 } else { 1832 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1833 error = EINVAL; 1834 } 1835 } 1836 if (error == 0) { 1837 *optsize = sizeof(struct sctp_assoc_value); 1838 } 1839 break; 1840 } 1841 case SCTP_SS_VALUE: 1842 { 1843 struct sctp_stream_value *av; 1844 1845 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1846 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1847 if (stcb) { 1848 if (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1849 &av->stream_value) < 0) { 1850 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1851 error = EINVAL; 1852 } else { 1853 *optsize = sizeof(struct sctp_stream_value); 1854 } 1855 SCTP_TCB_UNLOCK(stcb); 1856 } else { 1857 /* 1858 * Can't get stream value without 1859 * association 1860 */ 1861 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1862 error = EINVAL; 1863 } 1864 break; 1865 } 1866 case SCTP_GET_ADDR_LEN: 1867 { 1868 struct sctp_assoc_value *av; 1869 1870 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1871 error = EINVAL; 1872 #ifdef INET 1873 if (av->assoc_value == AF_INET) { 1874 av->assoc_value = sizeof(struct sockaddr_in); 1875 error = 0; 1876 } 1877 #endif 1878 #ifdef INET6 1879 if (av->assoc_value == AF_INET6) { 1880 av->assoc_value = sizeof(struct sockaddr_in6); 1881 error = 0; 1882 } 1883 #endif 1884 if (error) { 1885 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1886 } else { 1887 *optsize = sizeof(struct sctp_assoc_value); 1888 } 1889 break; 1890 } 1891 case SCTP_GET_ASSOC_NUMBER: 1892 { 1893 uint32_t *value, cnt; 1894 1895 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1896 cnt = 0; 1897 SCTP_INP_RLOCK(inp); 1898 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1899 cnt++; 1900 } 1901 SCTP_INP_RUNLOCK(inp); 1902 *value = cnt; 1903 *optsize = sizeof(uint32_t); 1904 break; 1905 } 1906 case SCTP_GET_ASSOC_ID_LIST: 1907 { 1908 struct sctp_assoc_ids *ids; 1909 unsigned int at, limit; 1910 1911 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1912 at = 0; 1913 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1914 SCTP_INP_RLOCK(inp); 1915 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1916 if (at < limit) { 1917 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1918 } else { 1919 error = EINVAL; 1920 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1921 break; 1922 } 1923 } 1924 SCTP_INP_RUNLOCK(inp); 1925 if (error == 0) { 1926 ids->gaids_number_of_ids = at; 1927 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1928 } 1929 break; 1930 } 1931 case SCTP_CONTEXT: 1932 { 1933 struct sctp_assoc_value *av; 1934 1935 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1936 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1937 1938 if (stcb) { 1939 av->assoc_value = stcb->asoc.context; 1940 SCTP_TCB_UNLOCK(stcb); 1941 } else { 1942 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1943 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1944 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1945 SCTP_INP_RLOCK(inp); 1946 av->assoc_value = inp->sctp_context; 1947 SCTP_INP_RUNLOCK(inp); 1948 } else { 1949 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1950 error = EINVAL; 1951 } 1952 } 1953 if (error == 0) { 1954 *optsize = sizeof(struct sctp_assoc_value); 1955 } 1956 break; 1957 } 1958 case SCTP_VRF_ID: 1959 { 1960 uint32_t *default_vrfid; 1961 1962 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1963 *default_vrfid = inp->def_vrf_id; 1964 *optsize = sizeof(uint32_t); 1965 break; 1966 } 1967 case SCTP_GET_ASOC_VRF: 1968 { 1969 struct sctp_assoc_value *id; 1970 1971 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1972 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1973 if (stcb == NULL) { 1974 error = EINVAL; 1975 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1976 } else { 1977 id->assoc_value = stcb->asoc.vrf_id; 1978 *optsize = sizeof(struct sctp_assoc_value); 1979 } 1980 break; 1981 } 1982 case SCTP_GET_VRF_IDS: 1983 { 1984 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1985 error = EOPNOTSUPP; 1986 break; 1987 } 1988 case SCTP_GET_NONCE_VALUES: 1989 { 1990 struct sctp_get_nonce_values *gnv; 1991 1992 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 1993 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 1994 1995 if (stcb) { 1996 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 1997 gnv->gn_local_tag = stcb->asoc.my_vtag; 1998 SCTP_TCB_UNLOCK(stcb); 1999 *optsize = sizeof(struct sctp_get_nonce_values); 2000 } else { 2001 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2002 error = ENOTCONN; 2003 } 2004 break; 2005 } 2006 case SCTP_DELAYED_SACK: 2007 { 2008 struct sctp_sack_info *sack; 2009 2010 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 2011 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 2012 if (stcb) { 2013 sack->sack_delay = stcb->asoc.delayed_ack; 2014 sack->sack_freq = stcb->asoc.sack_freq; 2015 SCTP_TCB_UNLOCK(stcb); 2016 } else { 2017 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2018 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2019 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) { 2020 SCTP_INP_RLOCK(inp); 2021 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2022 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2023 SCTP_INP_RUNLOCK(inp); 2024 } else { 2025 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2026 error = EINVAL; 2027 } 2028 } 2029 if (error == 0) { 2030 *optsize = sizeof(struct sctp_sack_info); 2031 } 2032 break; 2033 } 2034 case SCTP_GET_SNDBUF_USE: 2035 { 2036 struct sctp_sockstat *ss; 2037 2038 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2039 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2040 2041 if (stcb) { 2042 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2043 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2044 stcb->asoc.size_on_all_streams); 2045 SCTP_TCB_UNLOCK(stcb); 2046 *optsize = sizeof(struct sctp_sockstat); 2047 } else { 2048 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2049 error = ENOTCONN; 2050 } 2051 break; 2052 } 2053 case SCTP_MAX_BURST: 2054 { 2055 struct sctp_assoc_value *av; 2056 2057 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2058 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2059 2060 if (stcb) { 2061 av->assoc_value = stcb->asoc.max_burst; 2062 SCTP_TCB_UNLOCK(stcb); 2063 } else { 2064 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2065 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2066 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2067 SCTP_INP_RLOCK(inp); 2068 av->assoc_value = inp->sctp_ep.max_burst; 2069 SCTP_INP_RUNLOCK(inp); 2070 } else { 2071 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2072 error = EINVAL; 2073 } 2074 } 2075 if (error == 0) { 2076 *optsize = sizeof(struct sctp_assoc_value); 2077 } 2078 break; 2079 } 2080 case SCTP_MAXSEG: 2081 { 2082 struct sctp_assoc_value *av; 2083 int ovh; 2084 2085 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2086 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2087 2088 if (stcb) { 2089 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2090 SCTP_TCB_UNLOCK(stcb); 2091 } else { 2092 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2093 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2094 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2095 SCTP_INP_RLOCK(inp); 2096 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2097 ovh = SCTP_MED_OVERHEAD; 2098 } else { 2099 ovh = SCTP_MED_V4_OVERHEAD; 2100 } 2101 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2102 av->assoc_value = 0; 2103 else 2104 av->assoc_value = inp->sctp_frag_point - ovh; 2105 SCTP_INP_RUNLOCK(inp); 2106 } else { 2107 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2108 error = EINVAL; 2109 } 2110 } 2111 if (error == 0) { 2112 *optsize = sizeof(struct sctp_assoc_value); 2113 } 2114 break; 2115 } 2116 case SCTP_GET_STAT_LOG: 2117 error = sctp_fill_stat_log(optval, optsize); 2118 break; 2119 case SCTP_EVENTS: 2120 { 2121 struct sctp_event_subscribe *events; 2122 2123 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2124 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2125 SCTP_INP_RLOCK(inp); 2126 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2127 events->sctp_data_io_event = 1; 2128 2129 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2130 events->sctp_association_event = 1; 2131 2132 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2133 events->sctp_address_event = 1; 2134 2135 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2136 events->sctp_send_failure_event = 1; 2137 2138 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2139 events->sctp_peer_error_event = 1; 2140 2141 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2142 events->sctp_shutdown_event = 1; 2143 2144 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2145 events->sctp_partial_delivery_event = 1; 2146 2147 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2148 events->sctp_adaptation_layer_event = 1; 2149 2150 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2151 events->sctp_authentication_event = 1; 2152 2153 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2154 events->sctp_sender_dry_event = 1; 2155 2156 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2157 events->sctp_stream_reset_event = 1; 2158 SCTP_INP_RUNLOCK(inp); 2159 *optsize = sizeof(struct sctp_event_subscribe); 2160 break; 2161 } 2162 case SCTP_ADAPTATION_LAYER: 2163 { 2164 uint32_t *value; 2165 2166 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2167 2168 SCTP_INP_RLOCK(inp); 2169 *value = inp->sctp_ep.adaptation_layer_indicator; 2170 SCTP_INP_RUNLOCK(inp); 2171 *optsize = sizeof(uint32_t); 2172 break; 2173 } 2174 case SCTP_SET_INITIAL_DBG_SEQ: 2175 { 2176 uint32_t *value; 2177 2178 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2179 SCTP_INP_RLOCK(inp); 2180 *value = inp->sctp_ep.initial_sequence_debug; 2181 SCTP_INP_RUNLOCK(inp); 2182 *optsize = sizeof(uint32_t); 2183 break; 2184 } 2185 case SCTP_GET_LOCAL_ADDR_SIZE: 2186 { 2187 uint32_t *value; 2188 2189 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2190 SCTP_INP_RLOCK(inp); 2191 *value = sctp_count_max_addresses(inp); 2192 SCTP_INP_RUNLOCK(inp); 2193 *optsize = sizeof(uint32_t); 2194 break; 2195 } 2196 case SCTP_GET_REMOTE_ADDR_SIZE: 2197 { 2198 uint32_t *value; 2199 size_t size; 2200 struct sctp_nets *net; 2201 2202 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2203 /* FIXME MT: change to sctp_assoc_value? */ 2204 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 2205 2206 if (stcb) { 2207 size = 0; 2208 /* Count the sizes */ 2209 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2210 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2211 size += sizeof(struct sockaddr_in6); 2212 } else { 2213 switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) { 2214 #ifdef INET 2215 case AF_INET: 2216 size += sizeof(struct sockaddr_in); 2217 break; 2218 #endif 2219 #ifdef INET6 2220 case AF_INET6: 2221 size += sizeof(struct sockaddr_in6); 2222 break; 2223 #endif 2224 default: 2225 break; 2226 } 2227 } 2228 } 2229 SCTP_TCB_UNLOCK(stcb); 2230 *value = (uint32_t) size; 2231 *optsize = sizeof(uint32_t); 2232 } else { 2233 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2234 error = ENOTCONN; 2235 } 2236 break; 2237 } 2238 case SCTP_GET_PEER_ADDRESSES: 2239 /* 2240 * Get the address information, an array is passed in to 2241 * fill up we pack it. 2242 */ 2243 { 2244 size_t cpsz, left; 2245 struct sockaddr_storage *sas; 2246 struct sctp_nets *net; 2247 struct sctp_getaddresses *saddr; 2248 2249 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2250 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2251 2252 if (stcb) { 2253 left = (*optsize) - sizeof(struct sctp_getaddresses); 2254 *optsize = sizeof(struct sctp_getaddresses); 2255 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2256 2257 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2258 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2259 cpsz = sizeof(struct sockaddr_in6); 2260 } else { 2261 switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) { 2262 #ifdef INET 2263 case AF_INET: 2264 cpsz = sizeof(struct sockaddr_in); 2265 break; 2266 #endif 2267 #ifdef INET6 2268 case AF_INET6: 2269 cpsz = sizeof(struct sockaddr_in6); 2270 break; 2271 #endif 2272 default: 2273 cpsz = 0; 2274 break; 2275 } 2276 } 2277 if (cpsz == 0) { 2278 break; 2279 } 2280 if (left < cpsz) { 2281 /* not enough room. */ 2282 break; 2283 } 2284 #if defined(INET) && defined(INET6) 2285 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2286 (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET)) { 2287 /* Must map the address */ 2288 in6_sin_2_v4mapsin6((struct sockaddr_in *)&net->ro._l_addr, 2289 (struct sockaddr_in6 *)sas); 2290 } else { 2291 #endif 2292 memcpy(sas, &net->ro._l_addr, cpsz); 2293 #if defined(INET) && defined(INET6) 2294 } 2295 #endif 2296 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2297 2298 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2299 left -= cpsz; 2300 *optsize += cpsz; 2301 } 2302 SCTP_TCB_UNLOCK(stcb); 2303 } else { 2304 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2305 error = ENOENT; 2306 } 2307 break; 2308 } 2309 case SCTP_GET_LOCAL_ADDRESSES: 2310 { 2311 size_t limit, actual; 2312 struct sockaddr_storage *sas; 2313 struct sctp_getaddresses *saddr; 2314 2315 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2316 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2317 2318 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2319 limit = *optsize - sizeof(sctp_assoc_t); 2320 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2321 if (stcb) { 2322 SCTP_TCB_UNLOCK(stcb); 2323 } 2324 *optsize = sizeof(struct sockaddr_storage) + actual; 2325 break; 2326 } 2327 case SCTP_PEER_ADDR_PARAMS: 2328 { 2329 struct sctp_paddrparams *paddrp; 2330 struct sctp_nets *net; 2331 2332 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2333 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2334 2335 net = NULL; 2336 if (stcb) { 2337 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 2338 } else { 2339 /* 2340 * We increment here since 2341 * sctp_findassociation_ep_addr() wil do a 2342 * decrement if it finds the stcb as long as 2343 * the locked tcb (last argument) is NOT a 2344 * TCB.. aka NULL. 2345 */ 2346 SCTP_INP_INCR_REF(inp); 2347 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddrp->spp_address, &net, NULL, NULL); 2348 if (stcb == NULL) { 2349 SCTP_INP_DECR_REF(inp); 2350 } 2351 } 2352 if (stcb && (net == NULL)) { 2353 struct sockaddr *sa; 2354 2355 sa = (struct sockaddr *)&paddrp->spp_address; 2356 #ifdef INET 2357 if (sa->sa_family == AF_INET) { 2358 struct sockaddr_in *sin; 2359 2360 sin = (struct sockaddr_in *)sa; 2361 if (sin->sin_addr.s_addr) { 2362 error = EINVAL; 2363 SCTP_TCB_UNLOCK(stcb); 2364 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2365 break; 2366 } 2367 } else 2368 #endif 2369 #ifdef INET6 2370 if (sa->sa_family == AF_INET6) { 2371 struct sockaddr_in6 *sin6; 2372 2373 sin6 = (struct sockaddr_in6 *)sa; 2374 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2375 error = EINVAL; 2376 SCTP_TCB_UNLOCK(stcb); 2377 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2378 break; 2379 } 2380 } else 2381 #endif 2382 { 2383 error = EAFNOSUPPORT; 2384 SCTP_TCB_UNLOCK(stcb); 2385 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2386 break; 2387 } 2388 } 2389 if (stcb) { 2390 /* Applies to the specific association */ 2391 paddrp->spp_flags = 0; 2392 if (net) { 2393 int ovh; 2394 2395 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2396 ovh = SCTP_MED_OVERHEAD; 2397 } else { 2398 ovh = SCTP_MED_V4_OVERHEAD; 2399 } 2400 2401 paddrp->spp_hbinterval = net->heart_beat_delay; 2402 paddrp->spp_pathmaxrxt = net->failure_threshold; 2403 paddrp->spp_pathmtu = net->mtu - ovh; 2404 /* get flags for HB */ 2405 if (net->dest_state & SCTP_ADDR_NOHB) { 2406 paddrp->spp_flags |= SPP_HB_DISABLE; 2407 } else { 2408 paddrp->spp_flags |= SPP_HB_ENABLE; 2409 } 2410 /* get flags for PMTU */ 2411 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2412 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2413 } else { 2414 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2415 } 2416 if (net->dscp & 0x01) { 2417 paddrp->spp_dscp = net->dscp & 0xfc; 2418 paddrp->spp_flags |= SPP_DSCP; 2419 } 2420 #ifdef INET6 2421 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2422 (net->flowlabel & 0x80000000)) { 2423 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2424 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2425 } 2426 #endif 2427 } else { 2428 /* 2429 * No destination so return default 2430 * value 2431 */ 2432 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2433 paddrp->spp_pathmtu = sctp_get_frag_point(stcb, &stcb->asoc); 2434 if (stcb->asoc.default_dscp & 0x01) { 2435 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2436 paddrp->spp_flags |= SPP_DSCP; 2437 } 2438 #ifdef INET6 2439 if (stcb->asoc.default_flowlabel & 0x80000000) { 2440 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2441 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2442 } 2443 #endif 2444 /* default settings should be these */ 2445 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2446 paddrp->spp_flags |= SPP_HB_DISABLE; 2447 } else { 2448 paddrp->spp_flags |= SPP_HB_ENABLE; 2449 } 2450 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2451 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2452 } else { 2453 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2454 } 2455 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2456 } 2457 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2458 SCTP_TCB_UNLOCK(stcb); 2459 } else { 2460 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2461 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2462 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 2463 /* Use endpoint defaults */ 2464 SCTP_INP_RLOCK(inp); 2465 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2466 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2467 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2468 /* get inp's default */ 2469 if (inp->sctp_ep.default_dscp & 0x01) { 2470 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2471 paddrp->spp_flags |= SPP_DSCP; 2472 } 2473 #ifdef INET6 2474 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2475 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2476 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2477 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2478 } 2479 #endif 2480 /* can't return this */ 2481 paddrp->spp_pathmtu = 0; 2482 2483 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2484 paddrp->spp_flags |= SPP_HB_ENABLE; 2485 } else { 2486 paddrp->spp_flags |= SPP_HB_DISABLE; 2487 } 2488 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2489 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2490 } else { 2491 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2492 } 2493 SCTP_INP_RUNLOCK(inp); 2494 } else { 2495 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2496 error = EINVAL; 2497 } 2498 } 2499 if (error == 0) { 2500 *optsize = sizeof(struct sctp_paddrparams); 2501 } 2502 break; 2503 } 2504 case SCTP_GET_PEER_ADDR_INFO: 2505 { 2506 struct sctp_paddrinfo *paddri; 2507 struct sctp_nets *net; 2508 2509 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2510 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2511 2512 net = NULL; 2513 if (stcb) { 2514 net = sctp_findnet(stcb, (struct sockaddr *)&paddri->spinfo_address); 2515 } else { 2516 /* 2517 * We increment here since 2518 * sctp_findassociation_ep_addr() wil do a 2519 * decrement if it finds the stcb as long as 2520 * the locked tcb (last argument) is NOT a 2521 * TCB.. aka NULL. 2522 */ 2523 SCTP_INP_INCR_REF(inp); 2524 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddri->spinfo_address, &net, NULL, NULL); 2525 if (stcb == NULL) { 2526 SCTP_INP_DECR_REF(inp); 2527 } 2528 } 2529 2530 if ((stcb) && (net)) { 2531 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2532 /* It's unconfirmed */ 2533 paddri->spinfo_state = SCTP_UNCONFIRMED; 2534 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2535 /* It's active */ 2536 paddri->spinfo_state = SCTP_ACTIVE; 2537 } else { 2538 /* It's inactive */ 2539 paddri->spinfo_state = SCTP_INACTIVE; 2540 } 2541 paddri->spinfo_cwnd = net->cwnd; 2542 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2543 paddri->spinfo_rto = net->RTO; 2544 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2545 paddri->spinfo_mtu = net->mtu; 2546 SCTP_TCB_UNLOCK(stcb); 2547 *optsize = sizeof(struct sctp_paddrinfo); 2548 } else { 2549 if (stcb) { 2550 SCTP_TCB_UNLOCK(stcb); 2551 } 2552 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2553 error = ENOENT; 2554 } 2555 break; 2556 } 2557 case SCTP_PCB_STATUS: 2558 { 2559 struct sctp_pcbinfo *spcb; 2560 2561 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2562 sctp_fill_pcbinfo(spcb); 2563 *optsize = sizeof(struct sctp_pcbinfo); 2564 break; 2565 } 2566 case SCTP_STATUS: 2567 { 2568 struct sctp_nets *net; 2569 struct sctp_status *sstat; 2570 2571 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2572 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2573 2574 if (stcb == NULL) { 2575 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2576 error = EINVAL; 2577 break; 2578 } 2579 /* 2580 * I think passing the state is fine since 2581 * sctp_constants.h will be available to the user 2582 * land. 2583 */ 2584 sstat->sstat_state = stcb->asoc.state; 2585 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2586 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2587 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2588 /* 2589 * We can't include chunks that have been passed to 2590 * the socket layer. Only things in queue. 2591 */ 2592 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2593 stcb->asoc.cnt_on_all_streams); 2594 2595 2596 sstat->sstat_instrms = stcb->asoc.streamincnt; 2597 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2598 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2599 memcpy(&sstat->sstat_primary.spinfo_address, 2600 &stcb->asoc.primary_destination->ro._l_addr, 2601 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2602 net = stcb->asoc.primary_destination; 2603 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2604 /* 2605 * Again the user can get info from sctp_constants.h 2606 * for what the state of the network is. 2607 */ 2608 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2609 /* It's unconfirmed */ 2610 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2611 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2612 /* It's active */ 2613 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2614 } else { 2615 /* It's inactive */ 2616 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2617 } 2618 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2619 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2620 sstat->sstat_primary.spinfo_rto = net->RTO; 2621 sstat->sstat_primary.spinfo_mtu = net->mtu; 2622 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2623 SCTP_TCB_UNLOCK(stcb); 2624 *optsize = sizeof(struct sctp_status); 2625 break; 2626 } 2627 case SCTP_RTOINFO: 2628 { 2629 struct sctp_rtoinfo *srto; 2630 2631 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2632 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2633 2634 if (stcb) { 2635 srto->srto_initial = stcb->asoc.initial_rto; 2636 srto->srto_max = stcb->asoc.maxrto; 2637 srto->srto_min = stcb->asoc.minrto; 2638 SCTP_TCB_UNLOCK(stcb); 2639 } else { 2640 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2641 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2642 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2643 SCTP_INP_RLOCK(inp); 2644 srto->srto_initial = inp->sctp_ep.initial_rto; 2645 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2646 srto->srto_min = inp->sctp_ep.sctp_minrto; 2647 SCTP_INP_RUNLOCK(inp); 2648 } else { 2649 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2650 error = EINVAL; 2651 } 2652 } 2653 if (error == 0) { 2654 *optsize = sizeof(struct sctp_rtoinfo); 2655 } 2656 break; 2657 } 2658 case SCTP_TIMEOUTS: 2659 { 2660 struct sctp_timeouts *stimo; 2661 2662 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2663 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2664 2665 if (stcb) { 2666 stimo->stimo_init = stcb->asoc.timoinit; 2667 stimo->stimo_data = stcb->asoc.timodata; 2668 stimo->stimo_sack = stcb->asoc.timosack; 2669 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2670 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2671 stimo->stimo_cookie = stcb->asoc.timocookie; 2672 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2673 SCTP_TCB_UNLOCK(stcb); 2674 *optsize = sizeof(struct sctp_timeouts); 2675 } else { 2676 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2677 error = EINVAL; 2678 } 2679 break; 2680 } 2681 case SCTP_ASSOCINFO: 2682 { 2683 struct sctp_assocparams *sasoc; 2684 2685 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2686 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2687 2688 if (stcb) { 2689 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2690 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2691 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2692 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2693 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2694 SCTP_TCB_UNLOCK(stcb); 2695 } else { 2696 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2697 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2698 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2699 SCTP_INP_RLOCK(inp); 2700 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2701 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2702 sasoc->sasoc_number_peer_destinations = 0; 2703 sasoc->sasoc_peer_rwnd = 0; 2704 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2705 SCTP_INP_RUNLOCK(inp); 2706 } else { 2707 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2708 error = EINVAL; 2709 } 2710 } 2711 if (error == 0) { 2712 *optsize = sizeof(struct sctp_assocparams); 2713 } 2714 break; 2715 } 2716 case SCTP_DEFAULT_SEND_PARAM: 2717 { 2718 struct sctp_sndrcvinfo *s_info; 2719 2720 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2721 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2722 2723 if (stcb) { 2724 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2725 SCTP_TCB_UNLOCK(stcb); 2726 } else { 2727 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2728 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2729 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2730 SCTP_INP_RLOCK(inp); 2731 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2732 SCTP_INP_RUNLOCK(inp); 2733 } else { 2734 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2735 error = EINVAL; 2736 } 2737 } 2738 if (error == 0) { 2739 *optsize = sizeof(struct sctp_sndrcvinfo); 2740 } 2741 break; 2742 } 2743 case SCTP_INITMSG: 2744 { 2745 struct sctp_initmsg *sinit; 2746 2747 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2748 SCTP_INP_RLOCK(inp); 2749 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2750 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2751 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2752 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2753 SCTP_INP_RUNLOCK(inp); 2754 *optsize = sizeof(struct sctp_initmsg); 2755 break; 2756 } 2757 case SCTP_PRIMARY_ADDR: 2758 /* we allow a "get" operation on this */ 2759 { 2760 struct sctp_setprim *ssp; 2761 2762 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2763 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2764 2765 if (stcb) { 2766 /* simply copy out the sockaddr_storage... */ 2767 int len; 2768 2769 len = *optsize; 2770 if (len > stcb->asoc.primary_destination->ro._l_addr.sa.sa_len) 2771 len = stcb->asoc.primary_destination->ro._l_addr.sa.sa_len; 2772 2773 memcpy(&ssp->ssp_addr, 2774 &stcb->asoc.primary_destination->ro._l_addr, 2775 len); 2776 SCTP_TCB_UNLOCK(stcb); 2777 *optsize = sizeof(struct sctp_setprim); 2778 } else { 2779 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2780 error = EINVAL; 2781 } 2782 break; 2783 } 2784 case SCTP_HMAC_IDENT: 2785 { 2786 struct sctp_hmacalgo *shmac; 2787 sctp_hmaclist_t *hmaclist; 2788 uint32_t size; 2789 int i; 2790 2791 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2792 2793 SCTP_INP_RLOCK(inp); 2794 hmaclist = inp->sctp_ep.local_hmacs; 2795 if (hmaclist == NULL) { 2796 /* no HMACs to return */ 2797 *optsize = sizeof(*shmac); 2798 SCTP_INP_RUNLOCK(inp); 2799 break; 2800 } 2801 /* is there room for all of the hmac ids? */ 2802 size = sizeof(*shmac) + (hmaclist->num_algo * 2803 sizeof(shmac->shmac_idents[0])); 2804 if ((size_t)(*optsize) < size) { 2805 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2806 error = EINVAL; 2807 SCTP_INP_RUNLOCK(inp); 2808 break; 2809 } 2810 /* copy in the list */ 2811 shmac->shmac_number_of_idents = hmaclist->num_algo; 2812 for (i = 0; i < hmaclist->num_algo; i++) { 2813 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2814 } 2815 SCTP_INP_RUNLOCK(inp); 2816 *optsize = size; 2817 break; 2818 } 2819 case SCTP_AUTH_ACTIVE_KEY: 2820 { 2821 struct sctp_authkeyid *scact; 2822 2823 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2824 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2825 2826 if (stcb) { 2827 /* get the active key on the assoc */ 2828 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2829 SCTP_TCB_UNLOCK(stcb); 2830 } else { 2831 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2832 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2833 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2834 /* get the endpoint active key */ 2835 SCTP_INP_RLOCK(inp); 2836 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2837 SCTP_INP_RUNLOCK(inp); 2838 } else { 2839 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2840 error = EINVAL; 2841 } 2842 } 2843 if (error == 0) { 2844 *optsize = sizeof(struct sctp_authkeyid); 2845 } 2846 break; 2847 } 2848 case SCTP_LOCAL_AUTH_CHUNKS: 2849 { 2850 struct sctp_authchunks *sac; 2851 sctp_auth_chklist_t *chklist = NULL; 2852 size_t size = 0; 2853 2854 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2855 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2856 2857 if (stcb) { 2858 /* get off the assoc */ 2859 chklist = stcb->asoc.local_auth_chunks; 2860 /* is there enough space? */ 2861 size = sctp_auth_get_chklist_size(chklist); 2862 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2863 error = EINVAL; 2864 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2865 } else { 2866 /* copy in the chunks */ 2867 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2868 sac->gauth_number_of_chunks = (uint32_t) size; 2869 *optsize = sizeof(struct sctp_authchunks) + size; 2870 } 2871 SCTP_TCB_UNLOCK(stcb); 2872 } else { 2873 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2874 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2875 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 2876 /* get off the endpoint */ 2877 SCTP_INP_RLOCK(inp); 2878 chklist = inp->sctp_ep.local_auth_chunks; 2879 /* is there enough space? */ 2880 size = sctp_auth_get_chklist_size(chklist); 2881 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2882 error = EINVAL; 2883 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2884 } else { 2885 /* copy in the chunks */ 2886 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2887 sac->gauth_number_of_chunks = (uint32_t) size; 2888 *optsize = sizeof(struct sctp_authchunks) + size; 2889 } 2890 SCTP_INP_RUNLOCK(inp); 2891 } else { 2892 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2893 error = EINVAL; 2894 } 2895 } 2896 break; 2897 } 2898 case SCTP_PEER_AUTH_CHUNKS: 2899 { 2900 struct sctp_authchunks *sac; 2901 sctp_auth_chklist_t *chklist = NULL; 2902 size_t size = 0; 2903 2904 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2905 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2906 2907 if (stcb) { 2908 /* get off the assoc */ 2909 chklist = stcb->asoc.peer_auth_chunks; 2910 /* is there enough space? */ 2911 size = sctp_auth_get_chklist_size(chklist); 2912 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2913 error = EINVAL; 2914 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2915 } else { 2916 /* copy in the chunks */ 2917 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2918 sac->gauth_number_of_chunks = (uint32_t) size; 2919 *optsize = sizeof(struct sctp_authchunks) + size; 2920 } 2921 SCTP_TCB_UNLOCK(stcb); 2922 } else { 2923 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2924 error = ENOENT; 2925 } 2926 break; 2927 } 2928 case SCTP_EVENT: 2929 { 2930 struct sctp_event *event; 2931 uint32_t event_type; 2932 2933 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 2934 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 2935 2936 switch (event->se_type) { 2937 case SCTP_ASSOC_CHANGE: 2938 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 2939 break; 2940 case SCTP_PEER_ADDR_CHANGE: 2941 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 2942 break; 2943 case SCTP_REMOTE_ERROR: 2944 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 2945 break; 2946 case SCTP_SEND_FAILED: 2947 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 2948 break; 2949 case SCTP_SHUTDOWN_EVENT: 2950 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 2951 break; 2952 case SCTP_ADAPTATION_INDICATION: 2953 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 2954 break; 2955 case SCTP_PARTIAL_DELIVERY_EVENT: 2956 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 2957 break; 2958 case SCTP_AUTHENTICATION_EVENT: 2959 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 2960 break; 2961 case SCTP_STREAM_RESET_EVENT: 2962 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 2963 break; 2964 case SCTP_SENDER_DRY_EVENT: 2965 event_type = SCTP_PCB_FLAGS_DRYEVNT; 2966 break; 2967 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 2968 event_type = 0; 2969 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 2970 error = ENOTSUP; 2971 break; 2972 case SCTP_ASSOC_RESET_EVENT: 2973 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 2974 break; 2975 case SCTP_STREAM_CHANGE_EVENT: 2976 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 2977 break; 2978 case SCTP_SEND_FAILED_EVENT: 2979 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 2980 break; 2981 default: 2982 event_type = 0; 2983 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2984 error = EINVAL; 2985 break; 2986 } 2987 if (event_type > 0) { 2988 if (stcb) { 2989 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 2990 SCTP_TCB_UNLOCK(stcb); 2991 } else { 2992 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2993 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2994 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 2995 SCTP_INP_RLOCK(inp); 2996 event->se_on = sctp_is_feature_on(inp, event_type); 2997 SCTP_INP_RUNLOCK(inp); 2998 } else { 2999 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3000 error = EINVAL; 3001 } 3002 } 3003 } 3004 if (error == 0) { 3005 *optsize = sizeof(struct sctp_event); 3006 } 3007 break; 3008 } 3009 case SCTP_RECVRCVINFO: 3010 { 3011 int onoff; 3012 3013 if (*optsize < sizeof(int)) { 3014 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3015 error = EINVAL; 3016 } else { 3017 SCTP_INP_RLOCK(inp); 3018 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3019 SCTP_INP_RUNLOCK(inp); 3020 } 3021 if (error == 0) { 3022 /* return the option value */ 3023 *(int *)optval = onoff; 3024 *optsize = sizeof(int); 3025 } 3026 break; 3027 } 3028 case SCTP_RECVNXTINFO: 3029 { 3030 int onoff; 3031 3032 if (*optsize < sizeof(int)) { 3033 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3034 error = EINVAL; 3035 } else { 3036 SCTP_INP_RLOCK(inp); 3037 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3038 SCTP_INP_RUNLOCK(inp); 3039 } 3040 if (error == 0) { 3041 /* return the option value */ 3042 *(int *)optval = onoff; 3043 *optsize = sizeof(int); 3044 } 3045 break; 3046 } 3047 case SCTP_DEFAULT_SNDINFO: 3048 { 3049 struct sctp_sndinfo *info; 3050 3051 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3052 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3053 3054 if (stcb) { 3055 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3056 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3057 info->snd_flags &= 0xfff0; 3058 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3059 info->snd_context = stcb->asoc.def_send.sinfo_context; 3060 SCTP_TCB_UNLOCK(stcb); 3061 } else { 3062 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3063 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3064 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3065 SCTP_INP_RLOCK(inp); 3066 info->snd_sid = inp->def_send.sinfo_stream; 3067 info->snd_flags = inp->def_send.sinfo_flags; 3068 info->snd_flags &= 0xfff0; 3069 info->snd_ppid = inp->def_send.sinfo_ppid; 3070 info->snd_context = inp->def_send.sinfo_context; 3071 SCTP_INP_RUNLOCK(inp); 3072 } else { 3073 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3074 error = EINVAL; 3075 } 3076 } 3077 if (error == 0) { 3078 *optsize = sizeof(struct sctp_sndinfo); 3079 } 3080 break; 3081 } 3082 case SCTP_DEFAULT_PRINFO: 3083 { 3084 struct sctp_default_prinfo *info; 3085 3086 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3087 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3088 3089 if (stcb) { 3090 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3091 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3092 SCTP_TCB_UNLOCK(stcb); 3093 } else { 3094 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3095 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3096 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3097 SCTP_INP_RLOCK(inp); 3098 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3099 info->pr_value = inp->def_send.sinfo_timetolive; 3100 SCTP_INP_RUNLOCK(inp); 3101 } else { 3102 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3103 error = EINVAL; 3104 } 3105 } 3106 if (error == 0) { 3107 *optsize = sizeof(struct sctp_default_prinfo); 3108 } 3109 break; 3110 } 3111 case SCTP_PEER_ADDR_THLDS: 3112 { 3113 struct sctp_paddrthlds *thlds; 3114 struct sctp_nets *net; 3115 3116 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3117 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3118 3119 net = NULL; 3120 if (stcb) { 3121 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_address); 3122 } else { 3123 /* 3124 * We increment here since 3125 * sctp_findassociation_ep_addr() wil do a 3126 * decrement if it finds the stcb as long as 3127 * the locked tcb (last argument) is NOT a 3128 * TCB.. aka NULL. 3129 */ 3130 SCTP_INP_INCR_REF(inp); 3131 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&thlds->spt_address, &net, NULL, NULL); 3132 if (stcb == NULL) { 3133 SCTP_INP_DECR_REF(inp); 3134 } 3135 } 3136 if (stcb && (net == NULL)) { 3137 struct sockaddr *sa; 3138 3139 sa = (struct sockaddr *)&thlds->spt_address; 3140 #ifdef INET 3141 if (sa->sa_family == AF_INET) { 3142 struct sockaddr_in *sin; 3143 3144 sin = (struct sockaddr_in *)sa; 3145 if (sin->sin_addr.s_addr) { 3146 error = EINVAL; 3147 SCTP_TCB_UNLOCK(stcb); 3148 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3149 break; 3150 } 3151 } else 3152 #endif 3153 #ifdef INET6 3154 if (sa->sa_family == AF_INET6) { 3155 struct sockaddr_in6 *sin6; 3156 3157 sin6 = (struct sockaddr_in6 *)sa; 3158 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3159 error = EINVAL; 3160 SCTP_TCB_UNLOCK(stcb); 3161 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3162 break; 3163 } 3164 } else 3165 #endif 3166 { 3167 error = EAFNOSUPPORT; 3168 SCTP_TCB_UNLOCK(stcb); 3169 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3170 break; 3171 } 3172 } 3173 if (stcb) { 3174 if (net) { 3175 thlds->spt_pathmaxrxt = net->failure_threshold; 3176 thlds->spt_pathpfthld = net->pf_threshold; 3177 } else { 3178 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3179 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3180 } 3181 thlds->spt_assoc_id = sctp_get_associd(stcb); 3182 SCTP_TCB_UNLOCK(stcb); 3183 } else { 3184 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3185 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3186 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3187 /* Use endpoint defaults */ 3188 SCTP_INP_RLOCK(inp); 3189 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3190 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3191 SCTP_INP_RUNLOCK(inp); 3192 } else { 3193 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3194 error = EINVAL; 3195 } 3196 } 3197 if (error == 0) { 3198 *optsize = sizeof(struct sctp_paddrthlds); 3199 } 3200 break; 3201 } 3202 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3203 { 3204 struct sctp_udpencaps *encaps; 3205 struct sctp_nets *net; 3206 3207 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3208 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3209 3210 if (stcb) { 3211 net = sctp_findnet(stcb, (struct sockaddr *)&encaps->sue_address); 3212 } else { 3213 /* 3214 * We increment here since 3215 * sctp_findassociation_ep_addr() wil do a 3216 * decrement if it finds the stcb as long as 3217 * the locked tcb (last argument) is NOT a 3218 * TCB.. aka NULL. 3219 */ 3220 net = NULL; 3221 SCTP_INP_INCR_REF(inp); 3222 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&encaps->sue_address, &net, NULL, NULL); 3223 if (stcb == NULL) { 3224 SCTP_INP_DECR_REF(inp); 3225 } 3226 } 3227 if (stcb && (net == NULL)) { 3228 struct sockaddr *sa; 3229 3230 sa = (struct sockaddr *)&encaps->sue_address; 3231 #ifdef INET 3232 if (sa->sa_family == AF_INET) { 3233 struct sockaddr_in *sin; 3234 3235 sin = (struct sockaddr_in *)sa; 3236 if (sin->sin_addr.s_addr) { 3237 error = EINVAL; 3238 SCTP_TCB_UNLOCK(stcb); 3239 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3240 break; 3241 } 3242 } else 3243 #endif 3244 #ifdef INET6 3245 if (sa->sa_family == AF_INET6) { 3246 struct sockaddr_in6 *sin6; 3247 3248 sin6 = (struct sockaddr_in6 *)sa; 3249 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3250 error = EINVAL; 3251 SCTP_TCB_UNLOCK(stcb); 3252 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3253 break; 3254 } 3255 } else 3256 #endif 3257 { 3258 error = EAFNOSUPPORT; 3259 SCTP_TCB_UNLOCK(stcb); 3260 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3261 break; 3262 } 3263 } 3264 if (stcb) { 3265 if (net) { 3266 encaps->sue_port = net->port; 3267 } else { 3268 encaps->sue_port = stcb->asoc.port; 3269 } 3270 SCTP_TCB_UNLOCK(stcb); 3271 } else { 3272 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3273 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3274 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3275 SCTP_INP_RLOCK(inp); 3276 encaps->sue_port = inp->sctp_ep.port; 3277 SCTP_INP_RUNLOCK(inp); 3278 } else { 3279 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3280 error = EINVAL; 3281 } 3282 } 3283 if (error == 0) { 3284 *optsize = sizeof(struct sctp_paddrparams); 3285 } 3286 break; 3287 } 3288 case SCTP_ENABLE_STREAM_RESET: 3289 { 3290 struct sctp_assoc_value *av; 3291 3292 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3293 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3294 3295 if (stcb) { 3296 av->assoc_value = (uint32_t) stcb->asoc.local_strreset_support; 3297 SCTP_TCB_UNLOCK(stcb); 3298 } else { 3299 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3300 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3301 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3302 SCTP_INP_RLOCK(inp); 3303 av->assoc_value = (uint32_t) inp->local_strreset_support; 3304 SCTP_INP_RUNLOCK(inp); 3305 } else { 3306 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3307 error = EINVAL; 3308 } 3309 } 3310 if (error == 0) { 3311 *optsize = sizeof(struct sctp_assoc_value); 3312 } 3313 break; 3314 } 3315 default: 3316 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3317 error = ENOPROTOOPT; 3318 break; 3319 } /* end switch (sopt->sopt_name) */ 3320 if (error) { 3321 *optsize = 0; 3322 } 3323 return (error); 3324 } 3325 3326 static int 3327 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3328 void *p) 3329 { 3330 int error, set_opt; 3331 uint32_t *mopt; 3332 struct sctp_tcb *stcb = NULL; 3333 struct sctp_inpcb *inp = NULL; 3334 uint32_t vrf_id; 3335 3336 if (optval == NULL) { 3337 SCTP_PRINTF("optval is NULL\n"); 3338 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3339 return (EINVAL); 3340 } 3341 inp = (struct sctp_inpcb *)so->so_pcb; 3342 if (inp == NULL) { 3343 SCTP_PRINTF("inp is NULL?\n"); 3344 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3345 return (EINVAL); 3346 } 3347 vrf_id = inp->def_vrf_id; 3348 3349 error = 0; 3350 switch (optname) { 3351 case SCTP_NODELAY: 3352 case SCTP_AUTOCLOSE: 3353 case SCTP_AUTO_ASCONF: 3354 case SCTP_EXPLICIT_EOR: 3355 case SCTP_DISABLE_FRAGMENTS: 3356 case SCTP_USE_EXT_RCVINFO: 3357 case SCTP_I_WANT_MAPPED_V4_ADDR: 3358 /* copy in the option value */ 3359 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3360 set_opt = 0; 3361 if (error) 3362 break; 3363 switch (optname) { 3364 case SCTP_DISABLE_FRAGMENTS: 3365 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3366 break; 3367 case SCTP_AUTO_ASCONF: 3368 /* 3369 * NOTE: we don't really support this flag 3370 */ 3371 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3372 /* only valid for bound all sockets */ 3373 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3374 (*mopt != 0)) { 3375 /* forbidden by admin */ 3376 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3377 return (EPERM); 3378 } 3379 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3380 } else { 3381 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3382 return (EINVAL); 3383 } 3384 break; 3385 case SCTP_EXPLICIT_EOR: 3386 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3387 break; 3388 case SCTP_USE_EXT_RCVINFO: 3389 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3390 break; 3391 case SCTP_I_WANT_MAPPED_V4_ADDR: 3392 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3393 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3394 } else { 3395 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3396 return (EINVAL); 3397 } 3398 break; 3399 case SCTP_NODELAY: 3400 set_opt = SCTP_PCB_FLAGS_NODELAY; 3401 break; 3402 case SCTP_AUTOCLOSE: 3403 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3404 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3405 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3406 return (EINVAL); 3407 } 3408 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3409 /* 3410 * The value is in ticks. Note this does not effect 3411 * old associations, only new ones. 3412 */ 3413 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3414 break; 3415 } 3416 SCTP_INP_WLOCK(inp); 3417 if (*mopt != 0) { 3418 sctp_feature_on(inp, set_opt); 3419 } else { 3420 sctp_feature_off(inp, set_opt); 3421 } 3422 SCTP_INP_WUNLOCK(inp); 3423 break; 3424 case SCTP_REUSE_PORT: 3425 { 3426 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3427 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3428 /* Can't set it after we are bound */ 3429 error = EINVAL; 3430 break; 3431 } 3432 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3433 /* Can't do this for a 1-m socket */ 3434 error = EINVAL; 3435 break; 3436 } 3437 if (optval) 3438 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3439 else 3440 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3441 break; 3442 } 3443 case SCTP_PARTIAL_DELIVERY_POINT: 3444 { 3445 uint32_t *value; 3446 3447 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3448 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3449 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3450 error = EINVAL; 3451 break; 3452 } 3453 inp->partial_delivery_point = *value; 3454 break; 3455 } 3456 case SCTP_FRAGMENT_INTERLEAVE: 3457 /* not yet until we re-write sctp_recvmsg() */ 3458 { 3459 uint32_t *level; 3460 3461 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3462 if (*level == SCTP_FRAG_LEVEL_2) { 3463 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3464 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3465 } else if (*level == SCTP_FRAG_LEVEL_1) { 3466 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3467 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3468 } else if (*level == SCTP_FRAG_LEVEL_0) { 3469 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3470 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3471 3472 } else { 3473 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3474 error = EINVAL; 3475 } 3476 break; 3477 } 3478 case SCTP_CMT_ON_OFF: 3479 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3480 struct sctp_assoc_value *av; 3481 3482 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3483 if (av->assoc_value > SCTP_CMT_MAX) { 3484 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3485 error = EINVAL; 3486 break; 3487 } 3488 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3489 if (stcb) { 3490 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3491 SCTP_TCB_UNLOCK(stcb); 3492 } else { 3493 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3494 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3495 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3496 (av->assoc_id == SCTP_ALL_ASSOC)) { 3497 SCTP_INP_WLOCK(inp); 3498 inp->sctp_cmt_on_off = av->assoc_value; 3499 SCTP_INP_WUNLOCK(inp); 3500 } 3501 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3502 (av->assoc_id == SCTP_ALL_ASSOC)) { 3503 SCTP_INP_RLOCK(inp); 3504 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3505 SCTP_TCB_LOCK(stcb); 3506 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3507 SCTP_TCB_UNLOCK(stcb); 3508 } 3509 SCTP_INP_RUNLOCK(inp); 3510 } 3511 } 3512 } else { 3513 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3514 error = ENOPROTOOPT; 3515 } 3516 break; 3517 case SCTP_PLUGGABLE_CC: 3518 { 3519 struct sctp_assoc_value *av; 3520 struct sctp_nets *net; 3521 3522 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3523 if ((av->assoc_value != SCTP_CC_RFC2581) && 3524 (av->assoc_value != SCTP_CC_HSTCP) && 3525 (av->assoc_value != SCTP_CC_HTCP) && 3526 (av->assoc_value != SCTP_CC_RTCC)) { 3527 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3528 error = EINVAL; 3529 break; 3530 } 3531 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3532 if (stcb) { 3533 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3534 stcb->asoc.congestion_control_module = av->assoc_value; 3535 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3536 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3537 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3538 } 3539 } 3540 SCTP_TCB_UNLOCK(stcb); 3541 } else { 3542 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3543 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3544 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3545 (av->assoc_id == SCTP_ALL_ASSOC)) { 3546 SCTP_INP_WLOCK(inp); 3547 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3548 SCTP_INP_WUNLOCK(inp); 3549 } 3550 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3551 (av->assoc_id == SCTP_ALL_ASSOC)) { 3552 SCTP_INP_RLOCK(inp); 3553 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3554 SCTP_TCB_LOCK(stcb); 3555 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3556 stcb->asoc.congestion_control_module = av->assoc_value; 3557 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3558 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3559 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3560 } 3561 } 3562 SCTP_TCB_UNLOCK(stcb); 3563 } 3564 SCTP_INP_RUNLOCK(inp); 3565 } 3566 } 3567 break; 3568 } 3569 case SCTP_CC_OPTION: 3570 { 3571 struct sctp_cc_option *cc_opt; 3572 3573 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 3574 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 3575 if (stcb == NULL) { 3576 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 3577 SCTP_INP_RLOCK(inp); 3578 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3579 SCTP_TCB_LOCK(stcb); 3580 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 3581 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 3582 } 3583 SCTP_TCB_UNLOCK(stcb); 3584 } 3585 SCTP_INP_RUNLOCK(inp); 3586 } else { 3587 error = EINVAL; 3588 } 3589 } else { 3590 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 3591 error = ENOTSUP; 3592 } else { 3593 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 3594 cc_opt); 3595 } 3596 SCTP_TCB_UNLOCK(stcb); 3597 } 3598 break; 3599 } 3600 case SCTP_PLUGGABLE_SS: 3601 { 3602 struct sctp_assoc_value *av; 3603 3604 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3605 if ((av->assoc_value != SCTP_SS_DEFAULT) && 3606 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 3607 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 3608 (av->assoc_value != SCTP_SS_PRIORITY) && 3609 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 3610 (av->assoc_value != SCTP_SS_FIRST_COME)) { 3611 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3612 error = EINVAL; 3613 break; 3614 } 3615 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3616 if (stcb) { 3617 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 3618 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 3619 stcb->asoc.stream_scheduling_module = av->assoc_value; 3620 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 3621 SCTP_TCB_UNLOCK(stcb); 3622 } else { 3623 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3624 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3625 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3626 (av->assoc_id == SCTP_ALL_ASSOC)) { 3627 SCTP_INP_WLOCK(inp); 3628 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 3629 SCTP_INP_WUNLOCK(inp); 3630 } 3631 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3632 (av->assoc_id == SCTP_ALL_ASSOC)) { 3633 SCTP_INP_RLOCK(inp); 3634 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3635 SCTP_TCB_LOCK(stcb); 3636 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 3637 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 3638 stcb->asoc.stream_scheduling_module = av->assoc_value; 3639 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 3640 SCTP_TCB_UNLOCK(stcb); 3641 } 3642 SCTP_INP_RUNLOCK(inp); 3643 } 3644 } 3645 break; 3646 } 3647 case SCTP_SS_VALUE: 3648 { 3649 struct sctp_stream_value *av; 3650 3651 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 3652 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3653 if (stcb) { 3654 if (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 3655 av->stream_value) < 0) { 3656 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3657 error = EINVAL; 3658 } 3659 SCTP_TCB_UNLOCK(stcb); 3660 } else { 3661 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 3662 SCTP_INP_RLOCK(inp); 3663 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3664 SCTP_TCB_LOCK(stcb); 3665 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 3666 &stcb->asoc, 3667 &stcb->asoc.strmout[av->stream_id], 3668 av->stream_value); 3669 SCTP_TCB_UNLOCK(stcb); 3670 } 3671 SCTP_INP_RUNLOCK(inp); 3672 3673 } else { 3674 /* 3675 * Can't set stream value without 3676 * association 3677 */ 3678 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3679 error = EINVAL; 3680 } 3681 } 3682 break; 3683 } 3684 case SCTP_CLR_STAT_LOG: 3685 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3686 error = EOPNOTSUPP; 3687 break; 3688 case SCTP_CONTEXT: 3689 { 3690 struct sctp_assoc_value *av; 3691 3692 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3693 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3694 3695 if (stcb) { 3696 stcb->asoc.context = av->assoc_value; 3697 SCTP_TCB_UNLOCK(stcb); 3698 } else { 3699 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3700 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3701 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3702 (av->assoc_id == SCTP_ALL_ASSOC)) { 3703 SCTP_INP_WLOCK(inp); 3704 inp->sctp_context = av->assoc_value; 3705 SCTP_INP_WUNLOCK(inp); 3706 } 3707 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3708 (av->assoc_id == SCTP_ALL_ASSOC)) { 3709 SCTP_INP_RLOCK(inp); 3710 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3711 SCTP_TCB_LOCK(stcb); 3712 stcb->asoc.context = av->assoc_value; 3713 SCTP_TCB_UNLOCK(stcb); 3714 } 3715 SCTP_INP_RUNLOCK(inp); 3716 } 3717 } 3718 break; 3719 } 3720 case SCTP_VRF_ID: 3721 { 3722 uint32_t *default_vrfid; 3723 3724 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 3725 if (*default_vrfid > SCTP_MAX_VRF_ID) { 3726 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3727 error = EINVAL; 3728 break; 3729 } 3730 inp->def_vrf_id = *default_vrfid; 3731 break; 3732 } 3733 case SCTP_DEL_VRF_ID: 3734 { 3735 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3736 error = EOPNOTSUPP; 3737 break; 3738 } 3739 case SCTP_ADD_VRF_ID: 3740 { 3741 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3742 error = EOPNOTSUPP; 3743 break; 3744 } 3745 case SCTP_DELAYED_SACK: 3746 { 3747 struct sctp_sack_info *sack; 3748 3749 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 3750 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 3751 if (sack->sack_delay) { 3752 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 3753 sack->sack_delay = SCTP_MAX_SACK_DELAY; 3754 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 3755 sack->sack_delay = TICKS_TO_MSEC(1); 3756 } 3757 } 3758 if (stcb) { 3759 if (sack->sack_delay) { 3760 stcb->asoc.delayed_ack = sack->sack_delay; 3761 } 3762 if (sack->sack_freq) { 3763 stcb->asoc.sack_freq = sack->sack_freq; 3764 } 3765 SCTP_TCB_UNLOCK(stcb); 3766 } else { 3767 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3768 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3769 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 3770 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 3771 SCTP_INP_WLOCK(inp); 3772 if (sack->sack_delay) { 3773 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 3774 } 3775 if (sack->sack_freq) { 3776 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 3777 } 3778 SCTP_INP_WUNLOCK(inp); 3779 } 3780 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 3781 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 3782 SCTP_INP_RLOCK(inp); 3783 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3784 SCTP_TCB_LOCK(stcb); 3785 if (sack->sack_delay) { 3786 stcb->asoc.delayed_ack = sack->sack_delay; 3787 } 3788 if (sack->sack_freq) { 3789 stcb->asoc.sack_freq = sack->sack_freq; 3790 } 3791 SCTP_TCB_UNLOCK(stcb); 3792 } 3793 SCTP_INP_RUNLOCK(inp); 3794 } 3795 } 3796 break; 3797 } 3798 case SCTP_AUTH_CHUNK: 3799 { 3800 struct sctp_authchunk *sauth; 3801 3802 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 3803 3804 SCTP_INP_WLOCK(inp); 3805 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 3806 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3807 error = EINVAL; 3808 } 3809 SCTP_INP_WUNLOCK(inp); 3810 break; 3811 } 3812 case SCTP_AUTH_KEY: 3813 { 3814 struct sctp_authkey *sca; 3815 struct sctp_keyhead *shared_keys; 3816 sctp_sharedkey_t *shared_key; 3817 sctp_key_t *key = NULL; 3818 size_t size; 3819 3820 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 3821 if (sca->sca_keylength == 0) { 3822 size = optsize - sizeof(struct sctp_authkey); 3823 } else { 3824 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 3825 size = sca->sca_keylength; 3826 } else { 3827 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3828 error = EINVAL; 3829 break; 3830 } 3831 } 3832 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 3833 3834 if (stcb) { 3835 shared_keys = &stcb->asoc.shared_keys; 3836 /* clear the cached keys for this key id */ 3837 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 3838 /* 3839 * create the new shared key and 3840 * insert/replace it 3841 */ 3842 if (size > 0) { 3843 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3844 if (key == NULL) { 3845 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3846 error = ENOMEM; 3847 SCTP_TCB_UNLOCK(stcb); 3848 break; 3849 } 3850 } 3851 shared_key = sctp_alloc_sharedkey(); 3852 if (shared_key == NULL) { 3853 sctp_free_key(key); 3854 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3855 error = ENOMEM; 3856 SCTP_TCB_UNLOCK(stcb); 3857 break; 3858 } 3859 shared_key->key = key; 3860 shared_key->keyid = sca->sca_keynumber; 3861 error = sctp_insert_sharedkey(shared_keys, shared_key); 3862 SCTP_TCB_UNLOCK(stcb); 3863 } else { 3864 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3865 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3866 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 3867 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 3868 SCTP_INP_WLOCK(inp); 3869 shared_keys = &inp->sctp_ep.shared_keys; 3870 /* 3871 * clear the cached keys on all 3872 * assocs for this key id 3873 */ 3874 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 3875 /* 3876 * create the new shared key and 3877 * insert/replace it 3878 */ 3879 if (size > 0) { 3880 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3881 if (key == NULL) { 3882 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3883 error = ENOMEM; 3884 SCTP_INP_WUNLOCK(inp); 3885 break; 3886 } 3887 } 3888 shared_key = sctp_alloc_sharedkey(); 3889 if (shared_key == NULL) { 3890 sctp_free_key(key); 3891 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3892 error = ENOMEM; 3893 SCTP_INP_WUNLOCK(inp); 3894 break; 3895 } 3896 shared_key->key = key; 3897 shared_key->keyid = sca->sca_keynumber; 3898 error = sctp_insert_sharedkey(shared_keys, shared_key); 3899 SCTP_INP_WUNLOCK(inp); 3900 } 3901 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 3902 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 3903 SCTP_INP_RLOCK(inp); 3904 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3905 SCTP_TCB_LOCK(stcb); 3906 shared_keys = &stcb->asoc.shared_keys; 3907 /* 3908 * clear the cached keys for 3909 * this key id 3910 */ 3911 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 3912 /* 3913 * create the new shared key 3914 * and insert/replace it 3915 */ 3916 if (size > 0) { 3917 key = sctp_set_key(sca->sca_key, (uint32_t) size); 3918 if (key == NULL) { 3919 SCTP_TCB_UNLOCK(stcb); 3920 continue; 3921 } 3922 } 3923 shared_key = sctp_alloc_sharedkey(); 3924 if (shared_key == NULL) { 3925 sctp_free_key(key); 3926 SCTP_TCB_UNLOCK(stcb); 3927 continue; 3928 } 3929 shared_key->key = key; 3930 shared_key->keyid = sca->sca_keynumber; 3931 error = sctp_insert_sharedkey(shared_keys, shared_key); 3932 SCTP_TCB_UNLOCK(stcb); 3933 } 3934 SCTP_INP_RUNLOCK(inp); 3935 } 3936 } 3937 break; 3938 } 3939 case SCTP_HMAC_IDENT: 3940 { 3941 struct sctp_hmacalgo *shmac; 3942 sctp_hmaclist_t *hmaclist; 3943 uint16_t hmacid; 3944 uint32_t i; 3945 size_t found; 3946 3947 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 3948 if (optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) { 3949 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3950 error = EINVAL; 3951 break; 3952 } 3953 hmaclist = sctp_alloc_hmaclist(shmac->shmac_number_of_idents); 3954 if (hmaclist == NULL) { 3955 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3956 error = ENOMEM; 3957 break; 3958 } 3959 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 3960 hmacid = shmac->shmac_idents[i]; 3961 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 3962 /* invalid HMACs were found */ ; 3963 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3964 error = EINVAL; 3965 sctp_free_hmaclist(hmaclist); 3966 goto sctp_set_hmac_done; 3967 } 3968 } 3969 found = 0; 3970 for (i = 0; i < hmaclist->num_algo; i++) { 3971 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 3972 /* already in list */ 3973 found = 1; 3974 } 3975 } 3976 if (!found) { 3977 sctp_free_hmaclist(hmaclist); 3978 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3979 error = EINVAL; 3980 break; 3981 } 3982 /* set it on the endpoint */ 3983 SCTP_INP_WLOCK(inp); 3984 if (inp->sctp_ep.local_hmacs) 3985 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 3986 inp->sctp_ep.local_hmacs = hmaclist; 3987 SCTP_INP_WUNLOCK(inp); 3988 sctp_set_hmac_done: 3989 break; 3990 } 3991 case SCTP_AUTH_ACTIVE_KEY: 3992 { 3993 struct sctp_authkeyid *scact; 3994 3995 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 3996 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 3997 3998 /* set the active key on the right place */ 3999 if (stcb) { 4000 /* set the active key on the assoc */ 4001 if (sctp_auth_setactivekey(stcb, 4002 scact->scact_keynumber)) { 4003 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4004 SCTP_FROM_SCTP_USRREQ, 4005 EINVAL); 4006 error = EINVAL; 4007 } 4008 SCTP_TCB_UNLOCK(stcb); 4009 } else { 4010 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4011 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4012 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4013 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4014 SCTP_INP_WLOCK(inp); 4015 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4016 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4017 error = EINVAL; 4018 } 4019 SCTP_INP_WUNLOCK(inp); 4020 } 4021 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4022 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4023 SCTP_INP_RLOCK(inp); 4024 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4025 SCTP_TCB_LOCK(stcb); 4026 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4027 SCTP_TCB_UNLOCK(stcb); 4028 } 4029 SCTP_INP_RUNLOCK(inp); 4030 } 4031 } 4032 break; 4033 } 4034 case SCTP_AUTH_DELETE_KEY: 4035 { 4036 struct sctp_authkeyid *scdel; 4037 4038 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4039 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4040 4041 /* delete the key from the right place */ 4042 if (stcb) { 4043 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4044 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4045 error = EINVAL; 4046 } 4047 SCTP_TCB_UNLOCK(stcb); 4048 } else { 4049 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4050 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4051 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4052 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4053 SCTP_INP_WLOCK(inp); 4054 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4055 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4056 error = EINVAL; 4057 } 4058 SCTP_INP_WUNLOCK(inp); 4059 } 4060 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4061 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4062 SCTP_INP_RLOCK(inp); 4063 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4064 SCTP_TCB_LOCK(stcb); 4065 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4066 SCTP_TCB_UNLOCK(stcb); 4067 } 4068 SCTP_INP_RUNLOCK(inp); 4069 } 4070 } 4071 break; 4072 } 4073 case SCTP_AUTH_DEACTIVATE_KEY: 4074 { 4075 struct sctp_authkeyid *keyid; 4076 4077 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4078 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4079 4080 /* deactivate the key from the right place */ 4081 if (stcb) { 4082 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4083 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4084 error = EINVAL; 4085 } 4086 SCTP_TCB_UNLOCK(stcb); 4087 } else { 4088 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4089 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4090 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4091 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4092 SCTP_INP_WLOCK(inp); 4093 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4094 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4095 error = EINVAL; 4096 } 4097 SCTP_INP_WUNLOCK(inp); 4098 } 4099 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4100 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4101 SCTP_INP_RLOCK(inp); 4102 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4103 SCTP_TCB_LOCK(stcb); 4104 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4105 SCTP_TCB_UNLOCK(stcb); 4106 } 4107 SCTP_INP_RUNLOCK(inp); 4108 } 4109 } 4110 break; 4111 } 4112 case SCTP_ENABLE_STREAM_RESET: 4113 { 4114 struct sctp_assoc_value *av; 4115 4116 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4117 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4118 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4119 error = EINVAL; 4120 break; 4121 } 4122 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4123 if (stcb) { 4124 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4125 SCTP_TCB_UNLOCK(stcb); 4126 } else { 4127 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4128 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4129 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4130 (av->assoc_id == SCTP_ALL_ASSOC)) { 4131 SCTP_INP_WLOCK(inp); 4132 inp->local_strreset_support = (uint8_t) av->assoc_value; 4133 SCTP_INP_WUNLOCK(inp); 4134 } 4135 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4136 (av->assoc_id == SCTP_ALL_ASSOC)) { 4137 SCTP_INP_RLOCK(inp); 4138 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4139 SCTP_TCB_LOCK(stcb); 4140 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4141 SCTP_TCB_UNLOCK(stcb); 4142 } 4143 SCTP_INP_RUNLOCK(inp); 4144 } 4145 } 4146 break; 4147 } 4148 case SCTP_RESET_STREAMS: 4149 { 4150 struct sctp_reset_streams *strrst; 4151 int i, send_out = 0; 4152 int send_in = 0; 4153 4154 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4155 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4156 if (stcb == NULL) { 4157 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4158 error = ENOENT; 4159 break; 4160 } 4161 if (stcb->asoc.peer_supports_strreset == 0) { 4162 /* 4163 * Peer does not support the chunk type. 4164 */ 4165 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4166 error = EOPNOTSUPP; 4167 SCTP_TCB_UNLOCK(stcb); 4168 break; 4169 } 4170 if (stcb->asoc.stream_reset_outstanding) { 4171 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4172 error = EALREADY; 4173 SCTP_TCB_UNLOCK(stcb); 4174 break; 4175 } 4176 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4177 send_in = 1; 4178 } 4179 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4180 send_out = 1; 4181 } 4182 if ((send_in == 0) && (send_out == 0)) { 4183 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4184 error = EINVAL; 4185 SCTP_TCB_UNLOCK(stcb); 4186 break; 4187 } 4188 for (i = 0; i < strrst->srs_number_streams; i++) { 4189 if ((send_in) && 4190 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) { 4191 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4192 error = EINVAL; 4193 break; 4194 } 4195 if ((send_out) && 4196 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) { 4197 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4198 error = EINVAL; 4199 break; 4200 } 4201 } 4202 if (error) { 4203 SCTP_TCB_UNLOCK(stcb); 4204 break; 4205 } 4206 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4207 strrst->srs_stream_list, 4208 send_out, send_in, 0, 0, 0, 0, 0); 4209 4210 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4211 SCTP_TCB_UNLOCK(stcb); 4212 break; 4213 } 4214 case SCTP_ADD_STREAMS: 4215 { 4216 struct sctp_add_streams *stradd; 4217 uint8_t addstream = 0; 4218 uint16_t add_o_strmcnt = 0; 4219 uint16_t add_i_strmcnt = 0; 4220 4221 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4222 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4223 if (stcb == NULL) { 4224 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4225 error = ENOENT; 4226 break; 4227 } 4228 if (stcb->asoc.peer_supports_strreset == 0) { 4229 /* 4230 * Peer does not support the chunk type. 4231 */ 4232 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4233 error = EOPNOTSUPP; 4234 SCTP_TCB_UNLOCK(stcb); 4235 break; 4236 } 4237 if (stcb->asoc.stream_reset_outstanding) { 4238 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4239 error = EALREADY; 4240 SCTP_TCB_UNLOCK(stcb); 4241 break; 4242 } 4243 if ((stradd->sas_outstrms == 0) && 4244 (stradd->sas_instrms == 0)) { 4245 error = EINVAL; 4246 goto skip_stuff; 4247 } 4248 if (stradd->sas_outstrms) { 4249 addstream = 1; 4250 /* We allocate here */ 4251 add_o_strmcnt = stradd->sas_outstrms; 4252 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4253 /* You can't have more than 64k */ 4254 error = EINVAL; 4255 goto skip_stuff; 4256 } 4257 } 4258 if (stradd->sas_instrms) { 4259 int cnt; 4260 4261 addstream |= 2; 4262 /* 4263 * We allocate inside 4264 * sctp_send_str_reset_req() 4265 */ 4266 add_i_strmcnt = stradd->sas_instrms; 4267 cnt = add_i_strmcnt; 4268 cnt += stcb->asoc.streamincnt; 4269 if (cnt > 0x0000ffff) { 4270 /* You can't have more than 64k */ 4271 error = EINVAL; 4272 goto skip_stuff; 4273 } 4274 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4275 /* More than you are allowed */ 4276 error = EINVAL; 4277 goto skip_stuff; 4278 } 4279 } 4280 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4281 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4282 skip_stuff: 4283 SCTP_TCB_UNLOCK(stcb); 4284 break; 4285 } 4286 case SCTP_RESET_ASSOC: 4287 { 4288 uint32_t *value; 4289 4290 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4291 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 4292 if (stcb == NULL) { 4293 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4294 error = ENOENT; 4295 break; 4296 } 4297 if (stcb->asoc.peer_supports_strreset == 0) { 4298 /* 4299 * Peer does not support the chunk type. 4300 */ 4301 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4302 error = EOPNOTSUPP; 4303 SCTP_TCB_UNLOCK(stcb); 4304 break; 4305 } 4306 if (stcb->asoc.stream_reset_outstanding) { 4307 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4308 error = EALREADY; 4309 SCTP_TCB_UNLOCK(stcb); 4310 break; 4311 } 4312 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 1, 0, 0, 0, 0); 4313 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4314 SCTP_TCB_UNLOCK(stcb); 4315 break; 4316 } 4317 case SCTP_CONNECT_X: 4318 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4319 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4320 error = EINVAL; 4321 break; 4322 } 4323 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4324 break; 4325 case SCTP_CONNECT_X_DELAYED: 4326 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4327 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4328 error = EINVAL; 4329 break; 4330 } 4331 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4332 break; 4333 case SCTP_CONNECT_X_COMPLETE: 4334 { 4335 struct sockaddr *sa; 4336 struct sctp_nets *net; 4337 4338 /* FIXME MT: check correct? */ 4339 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4340 4341 /* find tcb */ 4342 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4343 SCTP_INP_RLOCK(inp); 4344 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4345 if (stcb) { 4346 SCTP_TCB_LOCK(stcb); 4347 net = sctp_findnet(stcb, sa); 4348 } 4349 SCTP_INP_RUNLOCK(inp); 4350 } else { 4351 /* 4352 * We increment here since 4353 * sctp_findassociation_ep_addr() wil do a 4354 * decrement if it finds the stcb as long as 4355 * the locked tcb (last argument) is NOT a 4356 * TCB.. aka NULL. 4357 */ 4358 SCTP_INP_INCR_REF(inp); 4359 stcb = sctp_findassociation_ep_addr(&inp, sa, &net, NULL, NULL); 4360 if (stcb == NULL) { 4361 SCTP_INP_DECR_REF(inp); 4362 } 4363 } 4364 4365 if (stcb == NULL) { 4366 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4367 error = ENOENT; 4368 break; 4369 } 4370 if (stcb->asoc.delayed_connection == 1) { 4371 stcb->asoc.delayed_connection = 0; 4372 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4373 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4374 stcb->asoc.primary_destination, 4375 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 4376 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4377 } else { 4378 /* 4379 * already expired or did not use delayed 4380 * connectx 4381 */ 4382 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4383 error = EALREADY; 4384 } 4385 SCTP_TCB_UNLOCK(stcb); 4386 break; 4387 } 4388 case SCTP_MAX_BURST: 4389 { 4390 struct sctp_assoc_value *av; 4391 4392 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4393 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4394 4395 if (stcb) { 4396 stcb->asoc.max_burst = av->assoc_value; 4397 SCTP_TCB_UNLOCK(stcb); 4398 } else { 4399 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4400 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4401 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4402 (av->assoc_id == SCTP_ALL_ASSOC)) { 4403 SCTP_INP_WLOCK(inp); 4404 inp->sctp_ep.max_burst = av->assoc_value; 4405 SCTP_INP_WUNLOCK(inp); 4406 } 4407 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4408 (av->assoc_id == SCTP_ALL_ASSOC)) { 4409 SCTP_INP_RLOCK(inp); 4410 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4411 SCTP_TCB_LOCK(stcb); 4412 stcb->asoc.max_burst = av->assoc_value; 4413 SCTP_TCB_UNLOCK(stcb); 4414 } 4415 SCTP_INP_RUNLOCK(inp); 4416 } 4417 } 4418 break; 4419 } 4420 case SCTP_MAXSEG: 4421 { 4422 struct sctp_assoc_value *av; 4423 int ovh; 4424 4425 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4426 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4427 4428 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4429 ovh = SCTP_MED_OVERHEAD; 4430 } else { 4431 ovh = SCTP_MED_V4_OVERHEAD; 4432 } 4433 if (stcb) { 4434 if (av->assoc_value) { 4435 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4436 } else { 4437 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4438 } 4439 SCTP_TCB_UNLOCK(stcb); 4440 } else { 4441 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4442 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4443 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4444 SCTP_INP_WLOCK(inp); 4445 /* 4446 * FIXME MT: I think this is not in 4447 * tune with the API ID 4448 */ 4449 if (av->assoc_value) { 4450 inp->sctp_frag_point = (av->assoc_value + ovh); 4451 } else { 4452 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4453 } 4454 SCTP_INP_WUNLOCK(inp); 4455 } else { 4456 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4457 error = EINVAL; 4458 } 4459 } 4460 break; 4461 } 4462 case SCTP_EVENTS: 4463 { 4464 struct sctp_event_subscribe *events; 4465 4466 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 4467 4468 SCTP_INP_WLOCK(inp); 4469 if (events->sctp_data_io_event) { 4470 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4471 } else { 4472 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4473 } 4474 4475 if (events->sctp_association_event) { 4476 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4477 } else { 4478 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4479 } 4480 4481 if (events->sctp_address_event) { 4482 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4483 } else { 4484 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4485 } 4486 4487 if (events->sctp_send_failure_event) { 4488 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4489 } else { 4490 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4491 } 4492 4493 if (events->sctp_peer_error_event) { 4494 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4495 } else { 4496 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4497 } 4498 4499 if (events->sctp_shutdown_event) { 4500 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4501 } else { 4502 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4503 } 4504 4505 if (events->sctp_partial_delivery_event) { 4506 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4507 } else { 4508 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4509 } 4510 4511 if (events->sctp_adaptation_layer_event) { 4512 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4513 } else { 4514 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4515 } 4516 4517 if (events->sctp_authentication_event) { 4518 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4519 } else { 4520 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4521 } 4522 4523 if (events->sctp_sender_dry_event) { 4524 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 4525 } else { 4526 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 4527 } 4528 4529 if (events->sctp_stream_reset_event) { 4530 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4531 } else { 4532 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4533 } 4534 SCTP_INP_WUNLOCK(inp); 4535 4536 SCTP_INP_RLOCK(inp); 4537 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4538 SCTP_TCB_LOCK(stcb); 4539 if (events->sctp_association_event) { 4540 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4541 } else { 4542 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4543 } 4544 if (events->sctp_address_event) { 4545 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4546 } else { 4547 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4548 } 4549 if (events->sctp_send_failure_event) { 4550 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4551 } else { 4552 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4553 } 4554 if (events->sctp_peer_error_event) { 4555 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4556 } else { 4557 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4558 } 4559 if (events->sctp_shutdown_event) { 4560 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4561 } else { 4562 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4563 } 4564 if (events->sctp_partial_delivery_event) { 4565 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4566 } else { 4567 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4568 } 4569 if (events->sctp_adaptation_layer_event) { 4570 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4571 } else { 4572 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4573 } 4574 if (events->sctp_authentication_event) { 4575 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4576 } else { 4577 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4578 } 4579 if (events->sctp_sender_dry_event) { 4580 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4581 } else { 4582 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4583 } 4584 if (events->sctp_stream_reset_event) { 4585 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4586 } else { 4587 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4588 } 4589 SCTP_TCB_UNLOCK(stcb); 4590 } 4591 /* 4592 * Send up the sender dry event only for 1-to-1 4593 * style sockets. 4594 */ 4595 if (events->sctp_sender_dry_event) { 4596 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4597 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 4598 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4599 if (stcb) { 4600 SCTP_TCB_LOCK(stcb); 4601 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 4602 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 4603 (stcb->asoc.stream_queue_cnt == 0)) { 4604 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 4605 } 4606 SCTP_TCB_UNLOCK(stcb); 4607 } 4608 } 4609 } 4610 SCTP_INP_RUNLOCK(inp); 4611 break; 4612 } 4613 case SCTP_ADAPTATION_LAYER: 4614 { 4615 struct sctp_setadaptation *adap_bits; 4616 4617 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 4618 SCTP_INP_WLOCK(inp); 4619 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 4620 SCTP_INP_WUNLOCK(inp); 4621 break; 4622 } 4623 #ifdef SCTP_DEBUG 4624 case SCTP_SET_INITIAL_DBG_SEQ: 4625 { 4626 uint32_t *vvv; 4627 4628 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 4629 SCTP_INP_WLOCK(inp); 4630 inp->sctp_ep.initial_sequence_debug = *vvv; 4631 SCTP_INP_WUNLOCK(inp); 4632 break; 4633 } 4634 #endif 4635 case SCTP_DEFAULT_SEND_PARAM: 4636 { 4637 struct sctp_sndrcvinfo *s_info; 4638 4639 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 4640 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 4641 4642 if (stcb) { 4643 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 4644 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 4645 } else { 4646 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4647 error = EINVAL; 4648 } 4649 SCTP_TCB_UNLOCK(stcb); 4650 } else { 4651 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4652 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4653 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 4654 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 4655 SCTP_INP_WLOCK(inp); 4656 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 4657 SCTP_INP_WUNLOCK(inp); 4658 } 4659 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 4660 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 4661 SCTP_INP_RLOCK(inp); 4662 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4663 SCTP_TCB_LOCK(stcb); 4664 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 4665 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 4666 } 4667 SCTP_TCB_UNLOCK(stcb); 4668 } 4669 SCTP_INP_RUNLOCK(inp); 4670 } 4671 } 4672 break; 4673 } 4674 case SCTP_PEER_ADDR_PARAMS: 4675 { 4676 struct sctp_paddrparams *paddrp; 4677 struct sctp_nets *net; 4678 4679 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 4680 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 4681 net = NULL; 4682 if (stcb) { 4683 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 4684 } else { 4685 /* 4686 * We increment here since 4687 * sctp_findassociation_ep_addr() wil do a 4688 * decrement if it finds the stcb as long as 4689 * the locked tcb (last argument) is NOT a 4690 * TCB.. aka NULL. 4691 */ 4692 SCTP_INP_INCR_REF(inp); 4693 stcb = sctp_findassociation_ep_addr(&inp, 4694 (struct sockaddr *)&paddrp->spp_address, 4695 &net, NULL, NULL); 4696 if (stcb == NULL) { 4697 SCTP_INP_DECR_REF(inp); 4698 } 4699 } 4700 if (stcb && (net == NULL)) { 4701 struct sockaddr *sa; 4702 4703 sa = (struct sockaddr *)&paddrp->spp_address; 4704 #ifdef INET 4705 if (sa->sa_family == AF_INET) { 4706 4707 struct sockaddr_in *sin; 4708 4709 sin = (struct sockaddr_in *)sa; 4710 if (sin->sin_addr.s_addr) { 4711 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4712 SCTP_TCB_UNLOCK(stcb); 4713 error = EINVAL; 4714 break; 4715 } 4716 } else 4717 #endif 4718 #ifdef INET6 4719 if (sa->sa_family == AF_INET6) { 4720 struct sockaddr_in6 *sin6; 4721 4722 sin6 = (struct sockaddr_in6 *)sa; 4723 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 4724 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4725 SCTP_TCB_UNLOCK(stcb); 4726 error = EINVAL; 4727 break; 4728 } 4729 } else 4730 #endif 4731 { 4732 error = EAFNOSUPPORT; 4733 SCTP_TCB_UNLOCK(stcb); 4734 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4735 break; 4736 } 4737 } 4738 /* sanity checks */ 4739 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 4740 if (stcb) 4741 SCTP_TCB_UNLOCK(stcb); 4742 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4743 return (EINVAL); 4744 } 4745 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 4746 if (stcb) 4747 SCTP_TCB_UNLOCK(stcb); 4748 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4749 return (EINVAL); 4750 } 4751 if (stcb) { 4752 /************************TCB SPECIFIC SET ******************/ 4753 /* 4754 * do we change the timer for HB, we run 4755 * only one? 4756 */ 4757 int ovh = 0; 4758 4759 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4760 ovh = SCTP_MED_OVERHEAD; 4761 } else { 4762 ovh = SCTP_MED_V4_OVERHEAD; 4763 } 4764 4765 /* network sets ? */ 4766 if (net) { 4767 /************************NET SPECIFIC SET ******************/ 4768 if (paddrp->spp_flags & SPP_HB_DISABLE) { 4769 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 4770 !(net->dest_state & SCTP_ADDR_NOHB)) { 4771 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4772 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4773 } 4774 net->dest_state |= SCTP_ADDR_NOHB; 4775 } 4776 if (paddrp->spp_flags & SPP_HB_ENABLE) { 4777 if (paddrp->spp_hbinterval) { 4778 net->heart_beat_delay = paddrp->spp_hbinterval; 4779 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4780 net->heart_beat_delay = 0; 4781 } 4782 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4783 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4784 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4785 net->dest_state &= ~SCTP_ADDR_NOHB; 4786 } 4787 if (paddrp->spp_flags & SPP_HB_DEMAND) { 4788 /* on demand HB */ 4789 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4790 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 4791 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4792 } 4793 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 4794 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4795 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 4796 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4797 } 4798 net->dest_state |= SCTP_ADDR_NO_PMTUD; 4799 if (paddrp->spp_pathmtu > SCTP_DEFAULT_MINSEGMENT) { 4800 net->mtu = paddrp->spp_pathmtu + ovh; 4801 if (net->mtu < stcb->asoc.smallest_mtu) { 4802 sctp_pathmtu_adjustment(stcb, net->mtu); 4803 } 4804 } 4805 } 4806 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 4807 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4808 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 4809 } 4810 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 4811 } 4812 if (paddrp->spp_pathmaxrxt) { 4813 if (net->dest_state & SCTP_ADDR_PF) { 4814 if (net->error_count > paddrp->spp_pathmaxrxt) { 4815 net->dest_state &= ~SCTP_ADDR_PF; 4816 } 4817 } else { 4818 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 4819 (net->error_count > net->pf_threshold)) { 4820 net->dest_state |= SCTP_ADDR_PF; 4821 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4822 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 4823 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 4824 } 4825 } 4826 if (net->dest_state & SCTP_ADDR_REACHABLE) { 4827 if (net->error_count > paddrp->spp_pathmaxrxt) { 4828 net->dest_state &= ~SCTP_ADDR_REACHABLE; 4829 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 4830 } 4831 } else { 4832 if (net->error_count <= paddrp->spp_pathmaxrxt) { 4833 net->dest_state |= SCTP_ADDR_REACHABLE; 4834 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 4835 } 4836 } 4837 net->failure_threshold = paddrp->spp_pathmaxrxt; 4838 } 4839 if (paddrp->spp_flags & SPP_DSCP) { 4840 net->dscp = paddrp->spp_dscp & 0xfc; 4841 net->dscp |= 0x01; 4842 } 4843 #ifdef INET6 4844 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 4845 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 4846 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4847 net->flowlabel |= 0x80000000; 4848 } 4849 } 4850 #endif 4851 } else { 4852 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 4853 if (paddrp->spp_pathmaxrxt) { 4854 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 4855 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4856 if (net->dest_state & SCTP_ADDR_PF) { 4857 if (net->error_count > paddrp->spp_pathmaxrxt) { 4858 net->dest_state &= ~SCTP_ADDR_PF; 4859 } 4860 } else { 4861 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 4862 (net->error_count > net->pf_threshold)) { 4863 net->dest_state |= SCTP_ADDR_PF; 4864 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 4865 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 4866 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 4867 } 4868 } 4869 if (net->dest_state & SCTP_ADDR_REACHABLE) { 4870 if (net->error_count > paddrp->spp_pathmaxrxt) { 4871 net->dest_state &= ~SCTP_ADDR_REACHABLE; 4872 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 4873 } 4874 } else { 4875 if (net->error_count <= paddrp->spp_pathmaxrxt) { 4876 net->dest_state |= SCTP_ADDR_REACHABLE; 4877 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 4878 } 4879 } 4880 net->failure_threshold = paddrp->spp_pathmaxrxt; 4881 } 4882 } 4883 if (paddrp->spp_flags & SPP_HB_ENABLE) { 4884 if (paddrp->spp_hbinterval) { 4885 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 4886 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4887 stcb->asoc.heart_beat_delay = 0; 4888 } 4889 /* Turn back on the timer */ 4890 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4891 if (paddrp->spp_hbinterval) { 4892 net->heart_beat_delay = paddrp->spp_hbinterval; 4893 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4894 net->heart_beat_delay = 0; 4895 } 4896 if (net->dest_state & SCTP_ADDR_NOHB) { 4897 net->dest_state &= ~SCTP_ADDR_NOHB; 4898 } 4899 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4900 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4901 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4902 } 4903 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4904 } 4905 if (paddrp->spp_flags & SPP_HB_DISABLE) { 4906 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4907 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 4908 net->dest_state |= SCTP_ADDR_NOHB; 4909 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 4910 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4911 } 4912 } 4913 } 4914 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4915 } 4916 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 4917 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4918 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4919 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 4920 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4921 } 4922 net->dest_state |= SCTP_ADDR_NO_PMTUD; 4923 if (paddrp->spp_pathmtu > SCTP_DEFAULT_MINSEGMENT) { 4924 net->mtu = paddrp->spp_pathmtu + ovh; 4925 if (net->mtu < stcb->asoc.smallest_mtu) { 4926 sctp_pathmtu_adjustment(stcb, net->mtu); 4927 } 4928 } 4929 } 4930 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4931 } 4932 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 4933 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4934 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4935 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 4936 } 4937 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 4938 } 4939 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4940 } 4941 if (paddrp->spp_flags & SPP_DSCP) { 4942 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4943 net->dscp = paddrp->spp_dscp & 0xfc; 4944 net->dscp |= 0x01; 4945 } 4946 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 4947 stcb->asoc.default_dscp |= 0x01; 4948 } 4949 #ifdef INET6 4950 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 4951 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4952 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 4953 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4954 net->flowlabel |= 0x80000000; 4955 } 4956 } 4957 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 4958 stcb->asoc.default_flowlabel |= 0x80000000; 4959 } 4960 #endif 4961 } 4962 SCTP_TCB_UNLOCK(stcb); 4963 } else { 4964 /************************NO TCB, SET TO default stuff ******************/ 4965 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4966 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4967 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 4968 SCTP_INP_WLOCK(inp); 4969 /* 4970 * For the TOS/FLOWLABEL stuff you 4971 * set it with the options on the 4972 * socket 4973 */ 4974 if (paddrp->spp_pathmaxrxt) { 4975 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 4976 } 4977 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 4978 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 4979 else if (paddrp->spp_hbinterval) { 4980 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 4981 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 4982 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 4983 } 4984 if (paddrp->spp_flags & SPP_HB_ENABLE) { 4985 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 4986 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 4987 } else if (paddrp->spp_hbinterval) { 4988 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 4989 } 4990 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4991 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 4992 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4993 } 4994 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 4995 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4996 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 4997 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 4998 } 4999 if (paddrp->spp_flags & SPP_DSCP) { 5000 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5001 inp->sctp_ep.default_dscp |= 0x01; 5002 } 5003 #ifdef INET6 5004 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5005 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5006 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5007 inp->sctp_ep.default_flowlabel |= 0x80000000; 5008 } 5009 } 5010 #endif 5011 SCTP_INP_WUNLOCK(inp); 5012 } else { 5013 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5014 error = EINVAL; 5015 } 5016 } 5017 break; 5018 } 5019 case SCTP_RTOINFO: 5020 { 5021 struct sctp_rtoinfo *srto; 5022 uint32_t new_init, new_min, new_max; 5023 5024 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5025 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5026 5027 if (stcb) { 5028 if (srto->srto_initial) 5029 new_init = srto->srto_initial; 5030 else 5031 new_init = stcb->asoc.initial_rto; 5032 if (srto->srto_max) 5033 new_max = srto->srto_max; 5034 else 5035 new_max = stcb->asoc.maxrto; 5036 if (srto->srto_min) 5037 new_min = srto->srto_min; 5038 else 5039 new_min = stcb->asoc.minrto; 5040 if ((new_min <= new_init) && (new_init <= new_max)) { 5041 stcb->asoc.initial_rto = new_init; 5042 stcb->asoc.maxrto = new_max; 5043 stcb->asoc.minrto = new_min; 5044 } else { 5045 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5046 error = EINVAL; 5047 } 5048 SCTP_TCB_UNLOCK(stcb); 5049 } else { 5050 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5051 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5052 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5053 SCTP_INP_WLOCK(inp); 5054 if (srto->srto_initial) 5055 new_init = srto->srto_initial; 5056 else 5057 new_init = inp->sctp_ep.initial_rto; 5058 if (srto->srto_max) 5059 new_max = srto->srto_max; 5060 else 5061 new_max = inp->sctp_ep.sctp_maxrto; 5062 if (srto->srto_min) 5063 new_min = srto->srto_min; 5064 else 5065 new_min = inp->sctp_ep.sctp_minrto; 5066 if ((new_min <= new_init) && (new_init <= new_max)) { 5067 inp->sctp_ep.initial_rto = new_init; 5068 inp->sctp_ep.sctp_maxrto = new_max; 5069 inp->sctp_ep.sctp_minrto = new_min; 5070 } else { 5071 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5072 error = EINVAL; 5073 } 5074 SCTP_INP_WUNLOCK(inp); 5075 } else { 5076 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5077 error = EINVAL; 5078 } 5079 } 5080 break; 5081 } 5082 case SCTP_ASSOCINFO: 5083 { 5084 struct sctp_assocparams *sasoc; 5085 5086 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5087 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5088 if (sasoc->sasoc_cookie_life) { 5089 /* boundary check the cookie life */ 5090 if (sasoc->sasoc_cookie_life < 1000) 5091 sasoc->sasoc_cookie_life = 1000; 5092 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5093 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5094 } 5095 } 5096 if (stcb) { 5097 if (sasoc->sasoc_asocmaxrxt) 5098 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5099 if (sasoc->sasoc_cookie_life) { 5100 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5101 } 5102 SCTP_TCB_UNLOCK(stcb); 5103 } else { 5104 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5105 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5106 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5107 SCTP_INP_WLOCK(inp); 5108 if (sasoc->sasoc_asocmaxrxt) 5109 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5110 if (sasoc->sasoc_cookie_life) { 5111 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5112 } 5113 SCTP_INP_WUNLOCK(inp); 5114 } else { 5115 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5116 error = EINVAL; 5117 } 5118 } 5119 break; 5120 } 5121 case SCTP_INITMSG: 5122 { 5123 struct sctp_initmsg *sinit; 5124 5125 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5126 SCTP_INP_WLOCK(inp); 5127 if (sinit->sinit_num_ostreams) 5128 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5129 5130 if (sinit->sinit_max_instreams) 5131 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5132 5133 if (sinit->sinit_max_attempts) 5134 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5135 5136 if (sinit->sinit_max_init_timeo) 5137 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5138 SCTP_INP_WUNLOCK(inp); 5139 break; 5140 } 5141 case SCTP_PRIMARY_ADDR: 5142 { 5143 struct sctp_setprim *spa; 5144 struct sctp_nets *net; 5145 5146 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5147 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5148 5149 net = NULL; 5150 if (stcb) { 5151 net = sctp_findnet(stcb, (struct sockaddr *)&spa->ssp_addr); 5152 } else { 5153 /* 5154 * We increment here since 5155 * sctp_findassociation_ep_addr() wil do a 5156 * decrement if it finds the stcb as long as 5157 * the locked tcb (last argument) is NOT a 5158 * TCB.. aka NULL. 5159 */ 5160 SCTP_INP_INCR_REF(inp); 5161 stcb = sctp_findassociation_ep_addr(&inp, 5162 (struct sockaddr *)&spa->ssp_addr, 5163 &net, NULL, NULL); 5164 if (stcb == NULL) { 5165 SCTP_INP_DECR_REF(inp); 5166 } 5167 } 5168 5169 if ((stcb) && (net)) { 5170 if ((net != stcb->asoc.primary_destination) && 5171 (!(net->dest_state & SCTP_ADDR_UNCONFIRMED))) { 5172 /* Ok we need to set it */ 5173 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5174 if ((stcb->asoc.alternate) && 5175 (!(net->dest_state & SCTP_ADDR_PF)) && 5176 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5177 sctp_free_remote_addr(stcb->asoc.alternate); 5178 stcb->asoc.alternate = NULL; 5179 } 5180 } 5181 } 5182 } else { 5183 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5184 error = EINVAL; 5185 } 5186 if (stcb) { 5187 SCTP_TCB_UNLOCK(stcb); 5188 } 5189 break; 5190 } 5191 case SCTP_SET_DYNAMIC_PRIMARY: 5192 { 5193 union sctp_sockstore *ss; 5194 5195 error = priv_check(curthread, 5196 PRIV_NETINET_RESERVEDPORT); 5197 if (error) 5198 break; 5199 5200 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5201 /* SUPER USER CHECK? */ 5202 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5203 break; 5204 } 5205 case SCTP_SET_PEER_PRIMARY_ADDR: 5206 { 5207 struct sctp_setpeerprim *sspp; 5208 5209 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5210 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5211 if (stcb != NULL) { 5212 struct sctp_ifa *ifa; 5213 5214 ifa = sctp_find_ifa_by_addr((struct sockaddr *)&sspp->sspp_addr, 5215 stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5216 if (ifa == NULL) { 5217 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5218 error = EINVAL; 5219 goto out_of_it; 5220 } 5221 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5222 /* 5223 * Must validate the ifa found is in 5224 * our ep 5225 */ 5226 struct sctp_laddr *laddr; 5227 int found = 0; 5228 5229 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5230 if (laddr->ifa == NULL) { 5231 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5232 __FUNCTION__); 5233 continue; 5234 } 5235 if (laddr->ifa == ifa) { 5236 found = 1; 5237 break; 5238 } 5239 } 5240 if (!found) { 5241 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5242 error = EINVAL; 5243 goto out_of_it; 5244 } 5245 } 5246 if (sctp_set_primary_ip_address_sa(stcb, 5247 (struct sockaddr *)&sspp->sspp_addr) != 0) { 5248 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5249 error = EINVAL; 5250 } 5251 out_of_it: 5252 SCTP_TCB_UNLOCK(stcb); 5253 } else { 5254 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5255 error = EINVAL; 5256 } 5257 break; 5258 } 5259 case SCTP_BINDX_ADD_ADDR: 5260 { 5261 struct sctp_getaddresses *addrs; 5262 size_t sz; 5263 struct thread *td; 5264 5265 td = (struct thread *)p; 5266 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5267 optsize); 5268 #ifdef INET 5269 if (addrs->addr->sa_family == AF_INET) { 5270 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in); 5271 if (optsize < sz) { 5272 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5273 error = EINVAL; 5274 break; 5275 } 5276 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5277 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5278 break; 5279 } 5280 } else 5281 #endif 5282 #ifdef INET6 5283 if (addrs->addr->sa_family == AF_INET6) { 5284 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6); 5285 if (optsize < sz) { 5286 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5287 error = EINVAL; 5288 break; 5289 } 5290 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5291 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5292 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5293 break; 5294 } 5295 } else 5296 #endif 5297 { 5298 error = EAFNOSUPPORT; 5299 break; 5300 } 5301 sctp_bindx_add_address(so, inp, addrs->addr, 5302 addrs->sget_assoc_id, vrf_id, 5303 &error, p); 5304 break; 5305 } 5306 case SCTP_BINDX_REM_ADDR: 5307 { 5308 struct sctp_getaddresses *addrs; 5309 size_t sz; 5310 struct thread *td; 5311 5312 td = (struct thread *)p; 5313 5314 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5315 #ifdef INET 5316 if (addrs->addr->sa_family == AF_INET) { 5317 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in); 5318 if (optsize < sz) { 5319 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5320 error = EINVAL; 5321 break; 5322 } 5323 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5324 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5325 break; 5326 } 5327 } else 5328 #endif 5329 #ifdef INET6 5330 if (addrs->addr->sa_family == AF_INET6) { 5331 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6); 5332 if (optsize < sz) { 5333 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5334 error = EINVAL; 5335 break; 5336 } 5337 if (td != NULL && 5338 (error = prison_local_ip6(td->td_ucred, 5339 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5340 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5341 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5342 break; 5343 } 5344 } else 5345 #endif 5346 { 5347 error = EAFNOSUPPORT; 5348 break; 5349 } 5350 sctp_bindx_delete_address(inp, addrs->addr, 5351 addrs->sget_assoc_id, vrf_id, 5352 &error); 5353 break; 5354 } 5355 case SCTP_EVENT: 5356 { 5357 struct sctp_event *event; 5358 uint32_t event_type; 5359 5360 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 5361 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 5362 switch (event->se_type) { 5363 case SCTP_ASSOC_CHANGE: 5364 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 5365 break; 5366 case SCTP_PEER_ADDR_CHANGE: 5367 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 5368 break; 5369 case SCTP_REMOTE_ERROR: 5370 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 5371 break; 5372 case SCTP_SEND_FAILED: 5373 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 5374 break; 5375 case SCTP_SHUTDOWN_EVENT: 5376 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 5377 break; 5378 case SCTP_ADAPTATION_INDICATION: 5379 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 5380 break; 5381 case SCTP_PARTIAL_DELIVERY_EVENT: 5382 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 5383 break; 5384 case SCTP_AUTHENTICATION_EVENT: 5385 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 5386 break; 5387 case SCTP_STREAM_RESET_EVENT: 5388 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 5389 break; 5390 case SCTP_SENDER_DRY_EVENT: 5391 event_type = SCTP_PCB_FLAGS_DRYEVNT; 5392 break; 5393 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 5394 event_type = 0; 5395 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5396 error = ENOTSUP; 5397 break; 5398 case SCTP_ASSOC_RESET_EVENT: 5399 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 5400 break; 5401 case SCTP_STREAM_CHANGE_EVENT: 5402 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 5403 break; 5404 case SCTP_SEND_FAILED_EVENT: 5405 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 5406 break; 5407 default: 5408 event_type = 0; 5409 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5410 error = EINVAL; 5411 break; 5412 } 5413 if (event_type > 0) { 5414 if (stcb) { 5415 if (event->se_on) { 5416 sctp_stcb_feature_on(inp, stcb, event_type); 5417 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 5418 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5419 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5420 (stcb->asoc.stream_queue_cnt == 0)) { 5421 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5422 } 5423 } 5424 } else { 5425 sctp_stcb_feature_off(inp, stcb, event_type); 5426 } 5427 SCTP_TCB_UNLOCK(stcb); 5428 } else { 5429 /* 5430 * We don't want to send up a storm 5431 * of events, so return an error for 5432 * sender dry events 5433 */ 5434 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 5435 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 5436 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 5437 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 5438 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 5439 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5440 error = ENOTSUP; 5441 break; 5442 } 5443 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5444 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5445 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 5446 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5447 SCTP_INP_WLOCK(inp); 5448 if (event->se_on) { 5449 sctp_feature_on(inp, event_type); 5450 } else { 5451 sctp_feature_off(inp, event_type); 5452 } 5453 SCTP_INP_WUNLOCK(inp); 5454 } 5455 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 5456 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5457 SCTP_INP_RLOCK(inp); 5458 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5459 SCTP_TCB_LOCK(stcb); 5460 if (event->se_on) { 5461 sctp_stcb_feature_on(inp, stcb, event_type); 5462 } else { 5463 sctp_stcb_feature_off(inp, stcb, event_type); 5464 } 5465 SCTP_TCB_UNLOCK(stcb); 5466 } 5467 SCTP_INP_RUNLOCK(inp); 5468 } 5469 } 5470 } 5471 break; 5472 } 5473 case SCTP_RECVRCVINFO: 5474 { 5475 int *onoff; 5476 5477 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5478 SCTP_INP_WLOCK(inp); 5479 if (*onoff != 0) { 5480 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5481 } else { 5482 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5483 } 5484 SCTP_INP_WUNLOCK(inp); 5485 break; 5486 } 5487 case SCTP_RECVNXTINFO: 5488 { 5489 int *onoff; 5490 5491 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5492 SCTP_INP_WLOCK(inp); 5493 if (*onoff != 0) { 5494 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5495 } else { 5496 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5497 } 5498 SCTP_INP_WUNLOCK(inp); 5499 break; 5500 } 5501 case SCTP_DEFAULT_SNDINFO: 5502 { 5503 struct sctp_sndinfo *info; 5504 uint16_t policy; 5505 5506 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 5507 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 5508 5509 if (stcb) { 5510 if (info->snd_sid < stcb->asoc.streamoutcnt) { 5511 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 5512 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 5513 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 5514 stcb->asoc.def_send.sinfo_flags |= policy; 5515 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 5516 stcb->asoc.def_send.sinfo_context = info->snd_context; 5517 } else { 5518 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5519 error = EINVAL; 5520 } 5521 SCTP_TCB_UNLOCK(stcb); 5522 } else { 5523 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5524 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5525 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 5526 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 5527 SCTP_INP_WLOCK(inp); 5528 inp->def_send.sinfo_stream = info->snd_sid; 5529 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 5530 inp->def_send.sinfo_flags = info->snd_flags; 5531 inp->def_send.sinfo_flags |= policy; 5532 inp->def_send.sinfo_ppid = info->snd_ppid; 5533 inp->def_send.sinfo_context = info->snd_context; 5534 SCTP_INP_WUNLOCK(inp); 5535 } 5536 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 5537 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 5538 SCTP_INP_RLOCK(inp); 5539 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5540 SCTP_TCB_LOCK(stcb); 5541 if (info->snd_sid < stcb->asoc.streamoutcnt) { 5542 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 5543 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 5544 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 5545 stcb->asoc.def_send.sinfo_flags |= policy; 5546 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 5547 stcb->asoc.def_send.sinfo_context = info->snd_context; 5548 } 5549 SCTP_TCB_UNLOCK(stcb); 5550 } 5551 SCTP_INP_RUNLOCK(inp); 5552 } 5553 } 5554 break; 5555 } 5556 case SCTP_DEFAULT_PRINFO: 5557 { 5558 struct sctp_default_prinfo *info; 5559 5560 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 5561 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 5562 5563 if (PR_SCTP_INVALID_POLICY(info->pr_policy)) { 5564 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5565 error = EINVAL; 5566 break; 5567 } 5568 if (stcb) { 5569 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 5570 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 5571 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 5572 SCTP_TCB_UNLOCK(stcb); 5573 } else { 5574 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5575 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5576 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 5577 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 5578 SCTP_INP_WLOCK(inp); 5579 inp->def_send.sinfo_flags &= 0xfff0; 5580 inp->def_send.sinfo_flags |= info->pr_policy; 5581 inp->def_send.sinfo_timetolive = info->pr_value; 5582 SCTP_INP_WUNLOCK(inp); 5583 } 5584 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 5585 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 5586 SCTP_INP_RLOCK(inp); 5587 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5588 SCTP_TCB_LOCK(stcb); 5589 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 5590 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 5591 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 5592 SCTP_TCB_UNLOCK(stcb); 5593 } 5594 SCTP_INP_RUNLOCK(inp); 5595 } 5596 } 5597 break; 5598 } 5599 case SCTP_PEER_ADDR_THLDS: 5600 /* Applies to the specific association */ 5601 { 5602 struct sctp_paddrthlds *thlds; 5603 struct sctp_nets *net; 5604 5605 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 5606 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 5607 net = NULL; 5608 if (stcb) { 5609 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_assoc_id); 5610 } else { 5611 /* 5612 * We increment here since 5613 * sctp_findassociation_ep_addr() wil do a 5614 * decrement if it finds the stcb as long as 5615 * the locked tcb (last argument) is NOT a 5616 * TCB.. aka NULL. 5617 */ 5618 SCTP_INP_INCR_REF(inp); 5619 stcb = sctp_findassociation_ep_addr(&inp, 5620 (struct sockaddr *)&thlds->spt_assoc_id, 5621 &net, NULL, NULL); 5622 if (stcb == NULL) { 5623 SCTP_INP_DECR_REF(inp); 5624 } 5625 } 5626 if (stcb && (net == NULL)) { 5627 struct sockaddr *sa; 5628 5629 sa = (struct sockaddr *)&thlds->spt_assoc_id; 5630 #ifdef INET 5631 if (sa->sa_family == AF_INET) { 5632 5633 struct sockaddr_in *sin; 5634 5635 sin = (struct sockaddr_in *)sa; 5636 if (sin->sin_addr.s_addr) { 5637 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5638 SCTP_TCB_UNLOCK(stcb); 5639 error = EINVAL; 5640 break; 5641 } 5642 } else 5643 #endif 5644 #ifdef INET6 5645 if (sa->sa_family == AF_INET6) { 5646 struct sockaddr_in6 *sin6; 5647 5648 sin6 = (struct sockaddr_in6 *)sa; 5649 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5650 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5651 SCTP_TCB_UNLOCK(stcb); 5652 error = EINVAL; 5653 break; 5654 } 5655 } else 5656 #endif 5657 { 5658 error = EAFNOSUPPORT; 5659 SCTP_TCB_UNLOCK(stcb); 5660 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5661 break; 5662 } 5663 } 5664 if (stcb) { 5665 if (net) { 5666 if (net->dest_state & SCTP_ADDR_PF) { 5667 if ((net->failure_threshold > thlds->spt_pathmaxrxt) || 5668 (net->failure_threshold <= thlds->spt_pathpfthld)) { 5669 net->dest_state &= ~SCTP_ADDR_PF; 5670 } 5671 } else { 5672 if ((net->failure_threshold > thlds->spt_pathpfthld) && 5673 (net->failure_threshold <= thlds->spt_pathmaxrxt)) { 5674 net->dest_state |= SCTP_ADDR_PF; 5675 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5676 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5677 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5678 } 5679 } 5680 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5681 if (net->failure_threshold > thlds->spt_pathmaxrxt) { 5682 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5683 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5684 } 5685 } else { 5686 if (net->failure_threshold <= thlds->spt_pathmaxrxt) { 5687 net->dest_state |= SCTP_ADDR_REACHABLE; 5688 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5689 } 5690 } 5691 net->failure_threshold = thlds->spt_pathmaxrxt; 5692 net->pf_threshold = thlds->spt_pathpfthld; 5693 } else { 5694 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5695 if (net->dest_state & SCTP_ADDR_PF) { 5696 if ((net->failure_threshold > thlds->spt_pathmaxrxt) || 5697 (net->failure_threshold <= thlds->spt_pathpfthld)) { 5698 net->dest_state &= ~SCTP_ADDR_PF; 5699 } 5700 } else { 5701 if ((net->failure_threshold > thlds->spt_pathpfthld) && 5702 (net->failure_threshold <= thlds->spt_pathmaxrxt)) { 5703 net->dest_state |= SCTP_ADDR_PF; 5704 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5705 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5706 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5707 } 5708 } 5709 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5710 if (net->failure_threshold > thlds->spt_pathmaxrxt) { 5711 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5712 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5713 } 5714 } else { 5715 if (net->failure_threshold <= thlds->spt_pathmaxrxt) { 5716 net->dest_state |= SCTP_ADDR_REACHABLE; 5717 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5718 } 5719 } 5720 net->failure_threshold = thlds->spt_pathmaxrxt; 5721 net->pf_threshold = thlds->spt_pathpfthld; 5722 } 5723 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 5724 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 5725 } 5726 } else { 5727 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5728 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5729 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 5730 SCTP_INP_WLOCK(inp); 5731 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 5732 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 5733 SCTP_INP_WUNLOCK(inp); 5734 } else { 5735 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5736 error = EINVAL; 5737 } 5738 } 5739 break; 5740 } 5741 case SCTP_REMOTE_UDP_ENCAPS_PORT: 5742 { 5743 struct sctp_udpencaps *encaps; 5744 struct sctp_nets *net; 5745 5746 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 5747 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 5748 if (stcb) { 5749 net = sctp_findnet(stcb, (struct sockaddr *)&encaps->sue_address); 5750 } else { 5751 /* 5752 * We increment here since 5753 * sctp_findassociation_ep_addr() wil do a 5754 * decrement if it finds the stcb as long as 5755 * the locked tcb (last argument) is NOT a 5756 * TCB.. aka NULL. 5757 */ 5758 net = NULL; 5759 SCTP_INP_INCR_REF(inp); 5760 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&encaps->sue_address, &net, NULL, NULL); 5761 if (stcb == NULL) { 5762 SCTP_INP_DECR_REF(inp); 5763 } 5764 } 5765 if (stcb && (net == NULL)) { 5766 struct sockaddr *sa; 5767 5768 sa = (struct sockaddr *)&encaps->sue_address; 5769 #ifdef INET 5770 if (sa->sa_family == AF_INET) { 5771 5772 struct sockaddr_in *sin; 5773 5774 sin = (struct sockaddr_in *)sa; 5775 if (sin->sin_addr.s_addr) { 5776 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5777 SCTP_TCB_UNLOCK(stcb); 5778 error = EINVAL; 5779 break; 5780 } 5781 } else 5782 #endif 5783 #ifdef INET6 5784 if (sa->sa_family == AF_INET6) { 5785 struct sockaddr_in6 *sin6; 5786 5787 sin6 = (struct sockaddr_in6 *)sa; 5788 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5789 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5790 SCTP_TCB_UNLOCK(stcb); 5791 error = EINVAL; 5792 break; 5793 } 5794 } else 5795 #endif 5796 { 5797 error = EAFNOSUPPORT; 5798 SCTP_TCB_UNLOCK(stcb); 5799 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5800 break; 5801 } 5802 } 5803 if (stcb) { 5804 if (net) { 5805 net->port = encaps->sue_port; 5806 } else { 5807 stcb->asoc.port = encaps->sue_port; 5808 } 5809 SCTP_TCB_UNLOCK(stcb); 5810 } else { 5811 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5812 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5813 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 5814 SCTP_INP_WLOCK(inp); 5815 inp->sctp_ep.port = encaps->sue_port; 5816 SCTP_INP_WUNLOCK(inp); 5817 } else { 5818 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5819 error = EINVAL; 5820 } 5821 } 5822 break; 5823 } 5824 default: 5825 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 5826 error = ENOPROTOOPT; 5827 break; 5828 } /* end switch (opt) */ 5829 return (error); 5830 } 5831 5832 int 5833 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 5834 { 5835 void *optval = NULL; 5836 size_t optsize = 0; 5837 void *p; 5838 int error = 0; 5839 5840 if (sopt->sopt_level != IPPROTO_SCTP) { 5841 /* wrong proto level... send back up to IP */ 5842 #ifdef INET6 5843 if (INP_CHECK_SOCKAF(so, AF_INET6)) 5844 error = ip6_ctloutput(so, sopt); 5845 #endif /* INET6 */ 5846 #if defined(INET) && defined (INET6) 5847 else 5848 #endif 5849 #ifdef INET 5850 error = ip_ctloutput(so, sopt); 5851 #endif 5852 return (error); 5853 } 5854 optsize = sopt->sopt_valsize; 5855 if (optsize) { 5856 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 5857 if (optval == NULL) { 5858 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 5859 return (ENOBUFS); 5860 } 5861 error = sooptcopyin(sopt, optval, optsize, optsize); 5862 if (error) { 5863 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5864 goto out; 5865 } 5866 } 5867 p = (void *)sopt->sopt_td; 5868 if (sopt->sopt_dir == SOPT_SET) { 5869 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 5870 } else if (sopt->sopt_dir == SOPT_GET) { 5871 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 5872 } else { 5873 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5874 error = EINVAL; 5875 } 5876 if ((error == 0) && (optval != NULL)) { 5877 error = sooptcopyout(sopt, optval, optsize); 5878 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5879 } else if (optval != NULL) { 5880 SCTP_FREE(optval, SCTP_M_SOCKOPT); 5881 } 5882 out: 5883 return (error); 5884 } 5885 5886 #ifdef INET 5887 static int 5888 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 5889 { 5890 int error = 0; 5891 int create_lock_on = 0; 5892 uint32_t vrf_id; 5893 struct sctp_inpcb *inp; 5894 struct sctp_tcb *stcb = NULL; 5895 5896 inp = (struct sctp_inpcb *)so->so_pcb; 5897 if (inp == NULL) { 5898 /* I made the same as TCP since we are not setup? */ 5899 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5900 return (ECONNRESET); 5901 } 5902 if (addr == NULL) { 5903 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5904 return EINVAL; 5905 } 5906 switch (addr->sa_family) { 5907 #ifdef INET6 5908 case AF_INET6: 5909 { 5910 struct sockaddr_in6 *sin6p; 5911 5912 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 5913 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5914 return (EINVAL); 5915 } 5916 sin6p = (struct sockaddr_in6 *)addr; 5917 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 5918 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5919 return (error); 5920 } 5921 break; 5922 } 5923 #endif 5924 #ifdef INET 5925 case AF_INET: 5926 { 5927 struct sockaddr_in *sinp; 5928 5929 if (addr->sa_len != sizeof(struct sockaddr_in)) { 5930 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5931 return (EINVAL); 5932 } 5933 sinp = (struct sockaddr_in *)addr; 5934 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 5935 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5936 return (error); 5937 } 5938 break; 5939 } 5940 #endif 5941 default: 5942 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 5943 return (EAFNOSUPPORT); 5944 } 5945 SCTP_INP_INCR_REF(inp); 5946 SCTP_ASOC_CREATE_LOCK(inp); 5947 create_lock_on = 1; 5948 5949 5950 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 5951 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 5952 /* Should I really unlock ? */ 5953 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 5954 error = EFAULT; 5955 goto out_now; 5956 } 5957 #ifdef INET6 5958 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 5959 (addr->sa_family == AF_INET6)) { 5960 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5961 error = EINVAL; 5962 goto out_now; 5963 } 5964 #endif /* INET6 */ 5965 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 5966 SCTP_PCB_FLAGS_UNBOUND) { 5967 /* Bind a ephemeral port */ 5968 error = sctp_inpcb_bind(so, NULL, NULL, p); 5969 if (error) { 5970 goto out_now; 5971 } 5972 } 5973 /* Now do we connect? */ 5974 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 5975 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 5976 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5977 error = EINVAL; 5978 goto out_now; 5979 } 5980 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 5981 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 5982 /* We are already connected AND the TCP model */ 5983 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 5984 error = EADDRINUSE; 5985 goto out_now; 5986 } 5987 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 5988 SCTP_INP_RLOCK(inp); 5989 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5990 SCTP_INP_RUNLOCK(inp); 5991 } else { 5992 /* 5993 * We increment here since sctp_findassociation_ep_addr() 5994 * will do a decrement if it finds the stcb as long as the 5995 * locked tcb (last argument) is NOT a TCB.. aka NULL. 5996 */ 5997 SCTP_INP_INCR_REF(inp); 5998 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 5999 if (stcb == NULL) { 6000 SCTP_INP_DECR_REF(inp); 6001 } else { 6002 SCTP_TCB_UNLOCK(stcb); 6003 } 6004 } 6005 if (stcb != NULL) { 6006 /* Already have or am bring up an association */ 6007 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 6008 error = EALREADY; 6009 goto out_now; 6010 } 6011 vrf_id = inp->def_vrf_id; 6012 /* We are GOOD to go */ 6013 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, p); 6014 if (stcb == NULL) { 6015 /* Gak! no memory */ 6016 goto out_now; 6017 } 6018 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 6019 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 6020 /* Set the connected flag so we can queue data */ 6021 soisconnecting(so); 6022 } 6023 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 6024 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 6025 6026 /* initialize authentication parameters for the assoc */ 6027 sctp_initialize_auth_params(inp, stcb); 6028 6029 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 6030 SCTP_TCB_UNLOCK(stcb); 6031 out_now: 6032 if (create_lock_on) { 6033 SCTP_ASOC_CREATE_UNLOCK(inp); 6034 } 6035 SCTP_INP_DECR_REF(inp); 6036 return (error); 6037 } 6038 6039 #endif 6040 6041 int 6042 sctp_listen(struct socket *so, int backlog, struct thread *p) 6043 { 6044 /* 6045 * Note this module depends on the protocol processing being called 6046 * AFTER any socket level flags and backlog are applied to the 6047 * socket. The traditional way that the socket flags are applied is 6048 * AFTER protocol processing. We have made a change to the 6049 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 6050 * place if the socket API for SCTP is to work properly. 6051 */ 6052 6053 int error = 0; 6054 struct sctp_inpcb *inp; 6055 6056 inp = (struct sctp_inpcb *)so->so_pcb; 6057 if (inp == NULL) { 6058 /* I made the same as TCP since we are not setup? */ 6059 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6060 return (ECONNRESET); 6061 } 6062 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 6063 /* See if we have a listener */ 6064 struct sctp_inpcb *tinp; 6065 union sctp_sockstore store, *sp; 6066 6067 sp = &store; 6068 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 6069 /* not bound all */ 6070 struct sctp_laddr *laddr; 6071 6072 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6073 memcpy(&store, &laddr->ifa->address, sizeof(store)); 6074 switch (sp->sa.sa_family) { 6075 #ifdef INET 6076 case AF_INET: 6077 sp->sin.sin_port = inp->sctp_lport; 6078 break; 6079 #endif 6080 #ifdef INET6 6081 case AF_INET6: 6082 sp->sin6.sin6_port = inp->sctp_lport; 6083 break; 6084 #endif 6085 default: 6086 break; 6087 } 6088 tinp = sctp_pcb_findep(&sp->sa, 0, 0, inp->def_vrf_id); 6089 if (tinp && (tinp != inp) && 6090 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6091 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6092 (tinp->sctp_socket->so_qlimit)) { 6093 /* 6094 * we have a listener already and 6095 * its not this inp. 6096 */ 6097 SCTP_INP_DECR_REF(tinp); 6098 return (EADDRINUSE); 6099 } else if (tinp) { 6100 SCTP_INP_DECR_REF(tinp); 6101 } 6102 } 6103 } else { 6104 /* Setup a local addr bound all */ 6105 memset(&store, 0, sizeof(store)); 6106 switch (sp->sa.sa_family) { 6107 #ifdef INET 6108 case AF_INET: 6109 store.sin.sin_port = inp->sctp_lport; 6110 break; 6111 #endif 6112 #ifdef INET6 6113 case AF_INET6: 6114 sp->sin6.sin6_port = inp->sctp_lport; 6115 break; 6116 #endif 6117 default: 6118 break; 6119 } 6120 #ifdef INET6 6121 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 6122 store.sa.sa_family = AF_INET6; 6123 store.sa.sa_len = sizeof(struct sockaddr_in6); 6124 } 6125 #endif 6126 #ifdef INET 6127 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 6128 store.sa.sa_family = AF_INET; 6129 store.sa.sa_len = sizeof(struct sockaddr_in); 6130 } 6131 #endif 6132 tinp = sctp_pcb_findep(&sp->sa, 0, 0, inp->def_vrf_id); 6133 if (tinp && (tinp != inp) && 6134 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6135 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6136 (tinp->sctp_socket->so_qlimit)) { 6137 /* 6138 * we have a listener already and its not 6139 * this inp. 6140 */ 6141 SCTP_INP_DECR_REF(tinp); 6142 return (EADDRINUSE); 6143 } else if (tinp) { 6144 SCTP_INP_DECR_REF(inp); 6145 } 6146 } 6147 } 6148 SCTP_INP_RLOCK(inp); 6149 #ifdef SCTP_LOCK_LOGGING 6150 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 6151 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 6152 } 6153 #endif 6154 SOCK_LOCK(so); 6155 error = solisten_proto_check(so); 6156 if (error) { 6157 SOCK_UNLOCK(so); 6158 SCTP_INP_RUNLOCK(inp); 6159 return (error); 6160 } 6161 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 6162 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 6163 /* 6164 * The unlucky case - We are in the tcp pool with this guy. 6165 * - Someone else is in the main inp slot. - We must move 6166 * this guy (the listener) to the main slot - We must then 6167 * move the guy that was listener to the TCP Pool. 6168 */ 6169 if (sctp_swap_inpcb_for_listen(inp)) { 6170 goto in_use; 6171 } 6172 } 6173 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6174 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6175 /* We are already connected AND the TCP model */ 6176 in_use: 6177 SCTP_INP_RUNLOCK(inp); 6178 SOCK_UNLOCK(so); 6179 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6180 return (EADDRINUSE); 6181 } 6182 SCTP_INP_RUNLOCK(inp); 6183 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 6184 /* We must do a bind. */ 6185 SOCK_UNLOCK(so); 6186 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 6187 /* bind error, probably perm */ 6188 return (error); 6189 } 6190 SOCK_LOCK(so); 6191 } 6192 /* It appears for 7.0 and on, we must always call this. */ 6193 solisten_proto(so, backlog); 6194 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 6195 /* remove the ACCEPTCONN flag for one-to-many sockets */ 6196 so->so_options &= ~SO_ACCEPTCONN; 6197 } 6198 if (backlog == 0) { 6199 /* turning off listen */ 6200 so->so_options &= ~SO_ACCEPTCONN; 6201 } 6202 SOCK_UNLOCK(so); 6203 return (error); 6204 } 6205 6206 static int sctp_defered_wakeup_cnt = 0; 6207 6208 int 6209 sctp_accept(struct socket *so, struct sockaddr **addr) 6210 { 6211 struct sctp_tcb *stcb; 6212 struct sctp_inpcb *inp; 6213 union sctp_sockstore store; 6214 6215 #ifdef INET6 6216 int error; 6217 6218 #endif 6219 inp = (struct sctp_inpcb *)so->so_pcb; 6220 6221 if (inp == NULL) { 6222 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6223 return (ECONNRESET); 6224 } 6225 SCTP_INP_RLOCK(inp); 6226 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 6227 SCTP_INP_RUNLOCK(inp); 6228 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 6229 return (EOPNOTSUPP); 6230 } 6231 if (so->so_state & SS_ISDISCONNECTED) { 6232 SCTP_INP_RUNLOCK(inp); 6233 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 6234 return (ECONNABORTED); 6235 } 6236 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6237 if (stcb == NULL) { 6238 SCTP_INP_RUNLOCK(inp); 6239 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6240 return (ECONNRESET); 6241 } 6242 SCTP_TCB_LOCK(stcb); 6243 SCTP_INP_RUNLOCK(inp); 6244 store = stcb->asoc.primary_destination->ro._l_addr; 6245 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 6246 SCTP_TCB_UNLOCK(stcb); 6247 switch (store.sa.sa_family) { 6248 #ifdef INET 6249 case AF_INET: 6250 { 6251 struct sockaddr_in *sin; 6252 6253 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6254 if (sin == NULL) 6255 return (ENOMEM); 6256 sin->sin_family = AF_INET; 6257 sin->sin_len = sizeof(*sin); 6258 sin->sin_port = ((struct sockaddr_in *)&store)->sin_port; 6259 sin->sin_addr = ((struct sockaddr_in *)&store)->sin_addr; 6260 *addr = (struct sockaddr *)sin; 6261 break; 6262 } 6263 #endif 6264 #ifdef INET6 6265 case AF_INET6: 6266 { 6267 struct sockaddr_in6 *sin6; 6268 6269 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 6270 if (sin6 == NULL) 6271 return (ENOMEM); 6272 sin6->sin6_family = AF_INET6; 6273 sin6->sin6_len = sizeof(*sin6); 6274 sin6->sin6_port = ((struct sockaddr_in6 *)&store)->sin6_port; 6275 6276 sin6->sin6_addr = ((struct sockaddr_in6 *)&store)->sin6_addr; 6277 if ((error = sa6_recoverscope(sin6)) != 0) { 6278 SCTP_FREE_SONAME(sin6); 6279 return (error); 6280 } 6281 *addr = (struct sockaddr *)sin6; 6282 break; 6283 } 6284 #endif 6285 default: 6286 /* TSNH */ 6287 break; 6288 } 6289 /* Wake any delayed sleep action */ 6290 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 6291 SCTP_INP_WLOCK(inp); 6292 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 6293 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 6294 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 6295 SCTP_INP_WUNLOCK(inp); 6296 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 6297 if (sowriteable(inp->sctp_socket)) { 6298 sowwakeup_locked(inp->sctp_socket); 6299 } else { 6300 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 6301 } 6302 SCTP_INP_WLOCK(inp); 6303 } 6304 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 6305 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 6306 SCTP_INP_WUNLOCK(inp); 6307 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 6308 if (soreadable(inp->sctp_socket)) { 6309 sctp_defered_wakeup_cnt++; 6310 sorwakeup_locked(inp->sctp_socket); 6311 } else { 6312 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 6313 } 6314 SCTP_INP_WLOCK(inp); 6315 } 6316 SCTP_INP_WUNLOCK(inp); 6317 } 6318 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 6319 SCTP_TCB_LOCK(stcb); 6320 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 6321 } 6322 return (0); 6323 } 6324 6325 #ifdef INET 6326 int 6327 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 6328 { 6329 struct sockaddr_in *sin; 6330 uint32_t vrf_id; 6331 struct sctp_inpcb *inp; 6332 struct sctp_ifa *sctp_ifa; 6333 6334 /* 6335 * Do the malloc first in case it blocks. 6336 */ 6337 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6338 if (sin == NULL) 6339 return (ENOMEM); 6340 sin->sin_family = AF_INET; 6341 sin->sin_len = sizeof(*sin); 6342 inp = (struct sctp_inpcb *)so->so_pcb; 6343 if (!inp) { 6344 SCTP_FREE_SONAME(sin); 6345 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6346 return (ECONNRESET); 6347 } 6348 SCTP_INP_RLOCK(inp); 6349 sin->sin_port = inp->sctp_lport; 6350 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 6351 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6352 struct sctp_tcb *stcb; 6353 struct sockaddr_in *sin_a; 6354 struct sctp_nets *net; 6355 int fnd; 6356 6357 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6358 if (stcb == NULL) { 6359 goto notConn; 6360 } 6361 fnd = 0; 6362 sin_a = NULL; 6363 SCTP_TCB_LOCK(stcb); 6364 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6365 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 6366 if (sin_a == NULL) 6367 /* this will make coverity happy */ 6368 continue; 6369 6370 if (sin_a->sin_family == AF_INET) { 6371 fnd = 1; 6372 break; 6373 } 6374 } 6375 if ((!fnd) || (sin_a == NULL)) { 6376 /* punt */ 6377 SCTP_TCB_UNLOCK(stcb); 6378 goto notConn; 6379 } 6380 vrf_id = inp->def_vrf_id; 6381 sctp_ifa = sctp_source_address_selection(inp, 6382 stcb, 6383 (sctp_route_t *) & net->ro, 6384 net, 0, vrf_id); 6385 if (sctp_ifa) { 6386 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 6387 sctp_free_ifa(sctp_ifa); 6388 } 6389 SCTP_TCB_UNLOCK(stcb); 6390 } else { 6391 /* For the bound all case you get back 0 */ 6392 notConn: 6393 sin->sin_addr.s_addr = 0; 6394 } 6395 6396 } else { 6397 /* Take the first IPv4 address in the list */ 6398 struct sctp_laddr *laddr; 6399 int fnd = 0; 6400 6401 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6402 if (laddr->ifa->address.sa.sa_family == AF_INET) { 6403 struct sockaddr_in *sin_a; 6404 6405 sin_a = (struct sockaddr_in *)&laddr->ifa->address.sa; 6406 sin->sin_addr = sin_a->sin_addr; 6407 fnd = 1; 6408 break; 6409 } 6410 } 6411 if (!fnd) { 6412 SCTP_FREE_SONAME(sin); 6413 SCTP_INP_RUNLOCK(inp); 6414 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 6415 return (ENOENT); 6416 } 6417 } 6418 SCTP_INP_RUNLOCK(inp); 6419 (*addr) = (struct sockaddr *)sin; 6420 return (0); 6421 } 6422 6423 int 6424 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 6425 { 6426 struct sockaddr_in *sin; 6427 int fnd; 6428 struct sockaddr_in *sin_a; 6429 struct sctp_inpcb *inp; 6430 struct sctp_tcb *stcb; 6431 struct sctp_nets *net; 6432 6433 /* Do the malloc first in case it blocks. */ 6434 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 6435 if (sin == NULL) 6436 return (ENOMEM); 6437 sin->sin_family = AF_INET; 6438 sin->sin_len = sizeof(*sin); 6439 6440 inp = (struct sctp_inpcb *)so->so_pcb; 6441 if ((inp == NULL) || 6442 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 6443 /* UDP type and listeners will drop out here */ 6444 SCTP_FREE_SONAME(sin); 6445 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 6446 return (ENOTCONN); 6447 } 6448 SCTP_INP_RLOCK(inp); 6449 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6450 if (stcb) { 6451 SCTP_TCB_LOCK(stcb); 6452 } 6453 SCTP_INP_RUNLOCK(inp); 6454 if (stcb == NULL) { 6455 SCTP_FREE_SONAME(sin); 6456 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6457 return (ECONNRESET); 6458 } 6459 fnd = 0; 6460 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6461 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 6462 if (sin_a->sin_family == AF_INET) { 6463 fnd = 1; 6464 sin->sin_port = stcb->rport; 6465 sin->sin_addr = sin_a->sin_addr; 6466 break; 6467 } 6468 } 6469 SCTP_TCB_UNLOCK(stcb); 6470 if (!fnd) { 6471 /* No IPv4 address */ 6472 SCTP_FREE_SONAME(sin); 6473 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 6474 return (ENOENT); 6475 } 6476 (*addr) = (struct sockaddr *)sin; 6477 return (0); 6478 } 6479 6480 #ifdef INET 6481 struct pr_usrreqs sctp_usrreqs = { 6482 .pru_abort = sctp_abort, 6483 .pru_accept = sctp_accept, 6484 .pru_attach = sctp_attach, 6485 .pru_bind = sctp_bind, 6486 .pru_connect = sctp_connect, 6487 .pru_control = in_control, 6488 .pru_close = sctp_close, 6489 .pru_detach = sctp_close, 6490 .pru_sopoll = sopoll_generic, 6491 .pru_flush = sctp_flush, 6492 .pru_disconnect = sctp_disconnect, 6493 .pru_listen = sctp_listen, 6494 .pru_peeraddr = sctp_peeraddr, 6495 .pru_send = sctp_sendm, 6496 .pru_shutdown = sctp_shutdown, 6497 .pru_sockaddr = sctp_ingetaddr, 6498 .pru_sosend = sctp_sosend, 6499 .pru_soreceive = sctp_soreceive 6500 }; 6501 6502 #endif 6503 #endif 6504