1 /*- 2 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 4 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * a) Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * b) Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the distribution. 15 * 16 * c) Neither the name of Cisco Systems, Inc. nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 __FBSDID("$FreeBSD$"); 35 36 #include <netinet/sctp_os.h> 37 #include <sys/proc.h> 38 #include <netinet/sctp_pcb.h> 39 #include <netinet/sctp_header.h> 40 #include <netinet/sctp_var.h> 41 #ifdef INET6 42 #include <netinet6/sctp6_var.h> 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 = ntohs(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 void 219 sctp_notify(struct sctp_inpcb *inp, 220 struct ip *ip, 221 struct sctphdr *sh, 222 struct sockaddr *to, 223 struct sctp_tcb *stcb, 224 struct sctp_nets *net) 225 { 226 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 227 struct socket *so; 228 229 #endif 230 struct icmp *icmph; 231 232 /* protection */ 233 if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 234 (sh == NULL) || (to == NULL)) { 235 if (stcb) 236 SCTP_TCB_UNLOCK(stcb); 237 return; 238 } 239 /* First job is to verify the vtag matches what I would send */ 240 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 241 SCTP_TCB_UNLOCK(stcb); 242 return; 243 } 244 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 245 sizeof(struct ip))); 246 if (icmph->icmp_type != ICMP_UNREACH) { 247 /* We only care about unreachable */ 248 SCTP_TCB_UNLOCK(stcb); 249 return; 250 } 251 if ((icmph->icmp_code == ICMP_UNREACH_NET) || 252 (icmph->icmp_code == ICMP_UNREACH_HOST) || 253 (icmph->icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 254 (icmph->icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 255 (icmph->icmp_code == ICMP_UNREACH_ISOLATED) || 256 (icmph->icmp_code == ICMP_UNREACH_NET_PROHIB) || 257 (icmph->icmp_code == ICMP_UNREACH_HOST_PROHIB) || 258 (icmph->icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 259 260 /* 261 * Hmm reachablity problems we must examine closely. If its 262 * not reachable, we may have lost a network. Or if there is 263 * NO protocol at the other end named SCTP. well we consider 264 * it a OOTB abort. 265 */ 266 if (net->dest_state & SCTP_ADDR_REACHABLE) { 267 /* Ok that destination is NOT reachable */ 268 net->dest_state &= ~SCTP_ADDR_REACHABLE; 269 net->dest_state &= ~SCTP_ADDR_PF; 270 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 271 stcb, 0, 272 (void *)net, SCTP_SO_NOT_LOCKED); 273 } 274 SCTP_TCB_UNLOCK(stcb); 275 } else if ((icmph->icmp_code == ICMP_UNREACH_PROTOCOL) || 276 (icmph->icmp_code == ICMP_UNREACH_PORT)) { 277 /* 278 * Here the peer is either playing tricks on us, including 279 * an address that belongs to someone who does not support 280 * SCTP OR was a userland implementation that shutdown and 281 * now is dead. In either case treat it like a OOTB abort 282 * with no TCB 283 */ 284 sctp_abort_notification(stcb, 1, 0, NULL, SCTP_SO_NOT_LOCKED); 285 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 286 so = SCTP_INP_SO(inp); 287 atomic_add_int(&stcb->asoc.refcnt, 1); 288 SCTP_TCB_UNLOCK(stcb); 289 SCTP_SOCKET_LOCK(so, 1); 290 SCTP_TCB_LOCK(stcb); 291 atomic_subtract_int(&stcb->asoc.refcnt, 1); 292 #endif 293 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 294 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 295 SCTP_SOCKET_UNLOCK(so, 1); 296 /* SCTP_TCB_UNLOCK(stcb); MT: I think this is not needed. */ 297 #endif 298 /* no need to unlock here, since the TCB is gone */ 299 } else { 300 SCTP_TCB_UNLOCK(stcb); 301 } 302 } 303 304 #endif 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 *)&to, 350 (struct sockaddr *)&from, 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[1]), 402 sintosa(&addrs[0]), 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; 552 553 inp = (struct sctp_inpcb *)so->so_pcb; 554 if (inp == NULL) { 555 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 556 return (EINVAL); 557 } 558 if (addr != NULL) { 559 if ((addr->sa_family != AF_INET) || 560 (addr->sa_len != sizeof(struct sockaddr_in))) { 561 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 562 return (EINVAL); 563 } 564 } 565 return (sctp_inpcb_bind(so, addr, NULL, p)); 566 } 567 568 #endif 569 void 570 sctp_close(struct socket *so) 571 { 572 struct sctp_inpcb *inp; 573 uint32_t flags; 574 575 inp = (struct sctp_inpcb *)so->so_pcb; 576 if (inp == NULL) 577 return; 578 579 /* 580 * Inform all the lower layer assoc that we are done. 581 */ 582 sctp_must_try_again: 583 flags = inp->sctp_flags; 584 #ifdef SCTP_LOG_CLOSING 585 sctp_log_closing(inp, NULL, 17); 586 #endif 587 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 588 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 589 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 590 (so->so_rcv.sb_cc > 0)) { 591 #ifdef SCTP_LOG_CLOSING 592 sctp_log_closing(inp, NULL, 13); 593 #endif 594 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 595 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 596 } else { 597 #ifdef SCTP_LOG_CLOSING 598 sctp_log_closing(inp, NULL, 14); 599 #endif 600 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 601 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 602 } 603 /* 604 * The socket is now detached, no matter what the state of 605 * the SCTP association. 606 */ 607 SOCK_LOCK(so); 608 SCTP_SB_CLEAR(so->so_snd); 609 /* 610 * same for the rcv ones, they are only here for the 611 * accounting/select. 612 */ 613 SCTP_SB_CLEAR(so->so_rcv); 614 615 /* Now null out the reference, we are completely detached. */ 616 so->so_pcb = NULL; 617 SOCK_UNLOCK(so); 618 } else { 619 flags = inp->sctp_flags; 620 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 621 goto sctp_must_try_again; 622 } 623 } 624 return; 625 } 626 627 628 int 629 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 630 struct mbuf *control, struct thread *p); 631 632 633 int 634 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 635 struct mbuf *control, struct thread *p) 636 { 637 struct sctp_inpcb *inp; 638 int error; 639 640 inp = (struct sctp_inpcb *)so->so_pcb; 641 if (inp == NULL) { 642 if (control) { 643 sctp_m_freem(control); 644 control = NULL; 645 } 646 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 647 sctp_m_freem(m); 648 return (EINVAL); 649 } 650 /* Got to have an to address if we are NOT a connected socket */ 651 if ((addr == NULL) && 652 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 653 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 654 goto connected_type; 655 } else if (addr == NULL) { 656 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 657 error = EDESTADDRREQ; 658 sctp_m_freem(m); 659 if (control) { 660 sctp_m_freem(control); 661 control = NULL; 662 } 663 return (error); 664 } 665 #ifdef INET6 666 if (addr->sa_family != AF_INET) { 667 /* must be a v4 address! */ 668 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 669 sctp_m_freem(m); 670 if (control) { 671 sctp_m_freem(control); 672 control = NULL; 673 } 674 error = EDESTADDRREQ; 675 return (error); 676 } 677 #endif /* INET6 */ 678 connected_type: 679 /* now what about control */ 680 if (control) { 681 if (inp->control) { 682 SCTP_PRINTF("huh? control set?\n"); 683 sctp_m_freem(inp->control); 684 inp->control = NULL; 685 } 686 inp->control = control; 687 } 688 /* Place the data */ 689 if (inp->pkt) { 690 SCTP_BUF_NEXT(inp->pkt_last) = m; 691 inp->pkt_last = m; 692 } else { 693 inp->pkt_last = inp->pkt = m; 694 } 695 if ( 696 /* FreeBSD uses a flag passed */ 697 ((flags & PRUS_MORETOCOME) == 0) 698 ) { 699 /* 700 * note with the current version this code will only be used 701 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 702 * re-defining sosend to use the sctp_sosend. One can 703 * optionally switch back to this code (by changing back the 704 * definitions) but this is not advisable. This code is used 705 * by FreeBSD when sending a file with sendfile() though. 706 */ 707 int ret; 708 709 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 710 inp->pkt = NULL; 711 inp->control = NULL; 712 return (ret); 713 } else { 714 return (0); 715 } 716 } 717 718 int 719 sctp_disconnect(struct socket *so) 720 { 721 struct sctp_inpcb *inp; 722 723 inp = (struct sctp_inpcb *)so->so_pcb; 724 if (inp == NULL) { 725 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 726 return (ENOTCONN); 727 } 728 SCTP_INP_RLOCK(inp); 729 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 730 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 731 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 732 /* No connection */ 733 SCTP_INP_RUNLOCK(inp); 734 return (0); 735 } else { 736 struct sctp_association *asoc; 737 struct sctp_tcb *stcb; 738 739 stcb = LIST_FIRST(&inp->sctp_asoc_list); 740 if (stcb == NULL) { 741 SCTP_INP_RUNLOCK(inp); 742 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 743 return (EINVAL); 744 } 745 SCTP_TCB_LOCK(stcb); 746 asoc = &stcb->asoc; 747 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 748 /* We are about to be freed, out of here */ 749 SCTP_TCB_UNLOCK(stcb); 750 SCTP_INP_RUNLOCK(inp); 751 return (0); 752 } 753 if (((so->so_options & SO_LINGER) && 754 (so->so_linger == 0)) || 755 (so->so_rcv.sb_cc > 0)) { 756 if (SCTP_GET_STATE(asoc) != 757 SCTP_STATE_COOKIE_WAIT) { 758 /* Left with Data unread */ 759 struct mbuf *err; 760 761 err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_NOWAIT, 1, MT_DATA); 762 if (err) { 763 /* 764 * Fill in the user 765 * initiated abort 766 */ 767 struct sctp_paramhdr *ph; 768 769 ph = mtod(err, struct sctp_paramhdr *); 770 SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr); 771 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT); 772 ph->param_length = htons(SCTP_BUF_LEN(err)); 773 } 774 sctp_send_abort_tcb(stcb, err, SCTP_SO_LOCKED); 775 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 776 } 777 SCTP_INP_RUNLOCK(inp); 778 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 779 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 780 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 781 } 782 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 783 /* No unlock tcb assoc is gone */ 784 return (0); 785 } 786 if (TAILQ_EMPTY(&asoc->send_queue) && 787 TAILQ_EMPTY(&asoc->sent_queue) && 788 (asoc->stream_queue_cnt == 0)) { 789 /* there is nothing queued to send, so done */ 790 if (asoc->locked_on_sending) { 791 goto abort_anyway; 792 } 793 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) && 794 (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 795 /* only send SHUTDOWN 1st time thru */ 796 struct sctp_nets *netp; 797 798 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 799 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 800 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 801 } 802 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 803 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 804 sctp_stop_timers_for_shutdown(stcb); 805 if (stcb->asoc.alternate) { 806 netp = stcb->asoc.alternate; 807 } else { 808 netp = stcb->asoc.primary_destination; 809 } 810 sctp_send_shutdown(stcb, netp); 811 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 812 stcb->sctp_ep, stcb, netp); 813 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 814 stcb->sctp_ep, stcb, netp); 815 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 816 } 817 } else { 818 /* 819 * we still got (or just got) data to send, 820 * so set SHUTDOWN_PENDING 821 */ 822 /* 823 * XXX sockets draft says that SCTP_EOF 824 * should be sent with no data. currently, 825 * we will allow user data to be sent first 826 * and move to SHUTDOWN-PENDING 827 */ 828 struct sctp_nets *netp; 829 830 if (stcb->asoc.alternate) { 831 netp = stcb->asoc.alternate; 832 } else { 833 netp = stcb->asoc.primary_destination; 834 } 835 836 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 837 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 838 netp); 839 if (asoc->locked_on_sending) { 840 /* Locked to send out the data */ 841 struct sctp_stream_queue_pending *sp; 842 843 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 844 if (sp == NULL) { 845 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 846 asoc->locked_on_sending->stream_no); 847 } else { 848 if ((sp->length == 0) && (sp->msg_is_complete == 0)) 849 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 850 } 851 } 852 if (TAILQ_EMPTY(&asoc->send_queue) && 853 TAILQ_EMPTY(&asoc->sent_queue) && 854 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 855 struct mbuf *op_err; 856 857 abort_anyway: 858 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 859 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 860 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 861 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 862 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 863 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 864 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 865 } 866 SCTP_INP_RUNLOCK(inp); 867 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 868 return (0); 869 } else { 870 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 871 } 872 } 873 soisdisconnecting(so); 874 SCTP_TCB_UNLOCK(stcb); 875 SCTP_INP_RUNLOCK(inp); 876 return (0); 877 } 878 /* not reached */ 879 } else { 880 /* UDP model does not support this */ 881 SCTP_INP_RUNLOCK(inp); 882 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 883 return (EOPNOTSUPP); 884 } 885 } 886 887 int 888 sctp_flush(struct socket *so, int how) 889 { 890 /* 891 * We will just clear out the values and let subsequent close clear 892 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 893 * they will not be able to read the data, the socket will block 894 * that from happening. 895 */ 896 struct sctp_inpcb *inp; 897 898 inp = (struct sctp_inpcb *)so->so_pcb; 899 if (inp == NULL) { 900 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 901 return (EINVAL); 902 } 903 SCTP_INP_RLOCK(inp); 904 /* For the 1 to many model this does nothing */ 905 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 906 SCTP_INP_RUNLOCK(inp); 907 return (0); 908 } 909 SCTP_INP_RUNLOCK(inp); 910 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 911 /* 912 * First make sure the sb will be happy, we don't use these 913 * except maybe the count 914 */ 915 SCTP_INP_WLOCK(inp); 916 SCTP_INP_READ_LOCK(inp); 917 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 918 SCTP_INP_READ_UNLOCK(inp); 919 SCTP_INP_WUNLOCK(inp); 920 so->so_rcv.sb_cc = 0; 921 so->so_rcv.sb_mbcnt = 0; 922 so->so_rcv.sb_mb = NULL; 923 } 924 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 925 /* 926 * First make sure the sb will be happy, we don't use these 927 * except maybe the count 928 */ 929 so->so_snd.sb_cc = 0; 930 so->so_snd.sb_mbcnt = 0; 931 so->so_snd.sb_mb = NULL; 932 933 } 934 return (0); 935 } 936 937 int 938 sctp_shutdown(struct socket *so) 939 { 940 struct sctp_inpcb *inp; 941 942 inp = (struct sctp_inpcb *)so->so_pcb; 943 if (inp == NULL) { 944 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 945 return (EINVAL); 946 } 947 SCTP_INP_RLOCK(inp); 948 /* For UDP model this is a invalid call */ 949 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 950 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 951 /* Restore the flags that the soshutdown took away. */ 952 SOCKBUF_LOCK(&so->so_rcv); 953 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 954 SOCKBUF_UNLOCK(&so->so_rcv); 955 /* This proc will wakeup for read and do nothing (I hope) */ 956 SCTP_INP_RUNLOCK(inp); 957 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 958 return (EOPNOTSUPP); 959 } 960 /* 961 * Ok if we reach here its the TCP model and it is either a SHUT_WR 962 * or SHUT_RDWR. This means we put the shutdown flag against it. 963 */ 964 { 965 struct sctp_tcb *stcb; 966 struct sctp_association *asoc; 967 968 if ((so->so_state & 969 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 970 SCTP_INP_RUNLOCK(inp); 971 return (ENOTCONN); 972 } 973 socantsendmore(so); 974 975 stcb = LIST_FIRST(&inp->sctp_asoc_list); 976 if (stcb == NULL) { 977 /* 978 * Ok we hit the case that the shutdown call was 979 * made after an abort or something. Nothing to do 980 * now. 981 */ 982 SCTP_INP_RUNLOCK(inp); 983 return (0); 984 } 985 SCTP_TCB_LOCK(stcb); 986 asoc = &stcb->asoc; 987 if (TAILQ_EMPTY(&asoc->send_queue) && 988 TAILQ_EMPTY(&asoc->sent_queue) && 989 (asoc->stream_queue_cnt == 0)) { 990 if (asoc->locked_on_sending) { 991 goto abort_anyway; 992 } 993 /* there is nothing queued to send, so I'm done... */ 994 if (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) { 995 /* only send SHUTDOWN the first time through */ 996 struct sctp_nets *netp; 997 998 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 999 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 1000 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 1001 } 1002 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 1003 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 1004 sctp_stop_timers_for_shutdown(stcb); 1005 if (stcb->asoc.alternate) { 1006 netp = stcb->asoc.alternate; 1007 } else { 1008 netp = stcb->asoc.primary_destination; 1009 } 1010 sctp_send_shutdown(stcb, netp); 1011 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 1012 stcb->sctp_ep, stcb, netp); 1013 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 1014 stcb->sctp_ep, stcb, netp); 1015 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 1016 } 1017 } else { 1018 /* 1019 * we still got (or just got) data to send, so set 1020 * SHUTDOWN_PENDING 1021 */ 1022 struct sctp_nets *netp; 1023 1024 if (stcb->asoc.alternate) { 1025 netp = stcb->asoc.alternate; 1026 } else { 1027 netp = stcb->asoc.primary_destination; 1028 } 1029 1030 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 1031 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 1032 netp); 1033 1034 if (asoc->locked_on_sending) { 1035 /* Locked to send out the data */ 1036 struct sctp_stream_queue_pending *sp; 1037 1038 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 1039 if (sp == NULL) { 1040 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 1041 asoc->locked_on_sending->stream_no); 1042 } else { 1043 if ((sp->length == 0) && (sp->msg_is_complete == 0)) { 1044 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 1045 } 1046 } 1047 } 1048 if (TAILQ_EMPTY(&asoc->send_queue) && 1049 TAILQ_EMPTY(&asoc->sent_queue) && 1050 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 1051 struct mbuf *op_err; 1052 1053 abort_anyway: 1054 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 1055 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 1056 sctp_abort_an_association(stcb->sctp_ep, stcb, 1057 op_err, SCTP_SO_LOCKED); 1058 goto skip_unlock; 1059 } else { 1060 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 1061 } 1062 } 1063 SCTP_TCB_UNLOCK(stcb); 1064 } 1065 skip_unlock: 1066 SCTP_INP_RUNLOCK(inp); 1067 return (0); 1068 } 1069 1070 /* 1071 * copies a "user" presentable address and removes embedded scope, etc. 1072 * returns 0 on success, 1 on error 1073 */ 1074 static uint32_t 1075 sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 1076 { 1077 #ifdef INET6 1078 struct sockaddr_in6 lsa6; 1079 1080 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 1081 &lsa6); 1082 #endif 1083 memcpy(ss, sa, sa->sa_len); 1084 return (0); 1085 } 1086 1087 1088 1089 /* 1090 * NOTE: assumes addr lock is held 1091 */ 1092 static size_t 1093 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1094 struct sctp_tcb *stcb, 1095 size_t limit, 1096 struct sockaddr_storage *sas, 1097 uint32_t vrf_id) 1098 { 1099 struct sctp_ifn *sctp_ifn; 1100 struct sctp_ifa *sctp_ifa; 1101 size_t actual; 1102 int loopback_scope; 1103 1104 #if defined(INET) 1105 int ipv4_local_scope, ipv4_addr_legal; 1106 1107 #endif 1108 #if defined(INET6) 1109 int local_scope, site_scope, ipv6_addr_legal; 1110 1111 #endif 1112 struct sctp_vrf *vrf; 1113 1114 actual = 0; 1115 if (limit <= 0) 1116 return (actual); 1117 1118 if (stcb) { 1119 /* Turn on all the appropriate scope */ 1120 loopback_scope = stcb->asoc.scope.loopback_scope; 1121 #if defined(INET) 1122 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1123 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1124 #endif 1125 #if defined(INET6) 1126 local_scope = stcb->asoc.scope.local_scope; 1127 site_scope = stcb->asoc.scope.site_scope; 1128 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1129 #endif 1130 } else { 1131 /* Use generic values for endpoints. */ 1132 loopback_scope = 1; 1133 #if defined(INET) 1134 ipv4_local_scope = 1; 1135 #endif 1136 #if defined(INET6) 1137 local_scope = 1; 1138 site_scope = 1; 1139 #endif 1140 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1141 #if defined(INET6) 1142 ipv6_addr_legal = 1; 1143 #endif 1144 #if defined(INET) 1145 if (SCTP_IPV6_V6ONLY(inp)) { 1146 ipv4_addr_legal = 0; 1147 } else { 1148 ipv4_addr_legal = 1; 1149 } 1150 #endif 1151 } else { 1152 #if defined(INET6) 1153 ipv6_addr_legal = 0; 1154 #endif 1155 #if defined(INET) 1156 ipv4_addr_legal = 1; 1157 #endif 1158 } 1159 } 1160 vrf = sctp_find_vrf(vrf_id); 1161 if (vrf == NULL) { 1162 return (0); 1163 } 1164 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1165 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1166 if ((loopback_scope == 0) && 1167 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1168 /* Skip loopback if loopback_scope not set */ 1169 continue; 1170 } 1171 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1172 if (stcb) { 1173 /* 1174 * For the BOUND-ALL case, the list 1175 * associated with a TCB is Always 1176 * considered a reverse list.. i.e. 1177 * it lists addresses that are NOT 1178 * part of the association. If this 1179 * is one of those we must skip it. 1180 */ 1181 if (sctp_is_addr_restricted(stcb, 1182 sctp_ifa)) { 1183 continue; 1184 } 1185 } 1186 switch (sctp_ifa->address.sa.sa_family) { 1187 #ifdef INET 1188 case AF_INET: 1189 if (ipv4_addr_legal) { 1190 struct sockaddr_in *sin; 1191 1192 sin = &sctp_ifa->address.sin; 1193 if (sin->sin_addr.s_addr == 0) { 1194 /* 1195 * we skip 1196 * unspecifed 1197 * addresses 1198 */ 1199 continue; 1200 } 1201 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1202 &sin->sin_addr) != 0) { 1203 continue; 1204 } 1205 if ((ipv4_local_scope == 0) && 1206 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1207 continue; 1208 } 1209 #ifdef INET6 1210 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1211 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1212 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1213 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1214 actual += sizeof(struct sockaddr_in6); 1215 } else { 1216 #endif 1217 memcpy(sas, sin, sizeof(*sin)); 1218 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1219 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin)); 1220 actual += sizeof(*sin); 1221 #ifdef INET6 1222 } 1223 #endif 1224 if (actual >= limit) { 1225 return (actual); 1226 } 1227 } else { 1228 continue; 1229 } 1230 break; 1231 #endif 1232 #ifdef INET6 1233 case AF_INET6: 1234 if (ipv6_addr_legal) { 1235 struct sockaddr_in6 *sin6; 1236 1237 sin6 = &sctp_ifa->address.sin6; 1238 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1239 /* 1240 * we skip 1241 * unspecifed 1242 * addresses 1243 */ 1244 continue; 1245 } 1246 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1247 &sin6->sin6_addr) != 0) { 1248 continue; 1249 } 1250 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1251 if (local_scope == 0) 1252 continue; 1253 if (sin6->sin6_scope_id == 0) { 1254 if (sa6_recoverscope(sin6) != 0) 1255 /* 1256 * 1257 * bad 1258 * 1259 * li 1260 * nk 1261 * 1262 * loc 1263 * al 1264 * 1265 * add 1266 * re 1267 * ss 1268 * */ 1269 continue; 1270 } 1271 } 1272 if ((site_scope == 0) && 1273 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1274 continue; 1275 } 1276 memcpy(sas, sin6, sizeof(*sin6)); 1277 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1278 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6)); 1279 actual += sizeof(*sin6); 1280 if (actual >= limit) { 1281 return (actual); 1282 } 1283 } else { 1284 continue; 1285 } 1286 break; 1287 #endif 1288 default: 1289 /* TSNH */ 1290 break; 1291 } 1292 } 1293 } 1294 } else { 1295 struct sctp_laddr *laddr; 1296 1297 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1298 if (stcb) { 1299 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1300 continue; 1301 } 1302 } 1303 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1304 continue; 1305 switch (laddr->ifa->address.sa.sa_family) { 1306 #ifdef INET 1307 case AF_INET: 1308 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1309 break; 1310 #endif 1311 #ifdef INET6 1312 case AF_INET6: 1313 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1314 break; 1315 #endif 1316 default: 1317 /* TSNH */ 1318 break; 1319 } 1320 sas = (struct sockaddr_storage *)((caddr_t)sas + 1321 laddr->ifa->address.sa.sa_len); 1322 actual += laddr->ifa->address.sa.sa_len; 1323 if (actual >= limit) { 1324 return (actual); 1325 } 1326 } 1327 } 1328 return (actual); 1329 } 1330 1331 static size_t 1332 sctp_fill_up_addresses(struct sctp_inpcb *inp, 1333 struct sctp_tcb *stcb, 1334 size_t limit, 1335 struct sockaddr_storage *sas) 1336 { 1337 size_t size = 0; 1338 1339 SCTP_IPI_ADDR_RLOCK(); 1340 /* fill up addresses for the endpoint's default vrf */ 1341 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1342 inp->def_vrf_id); 1343 SCTP_IPI_ADDR_RUNLOCK(); 1344 return (size); 1345 } 1346 1347 /* 1348 * NOTE: assumes addr lock is held 1349 */ 1350 static int 1351 sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1352 { 1353 int cnt = 0; 1354 struct sctp_vrf *vrf = NULL; 1355 1356 /* 1357 * In both sub-set bound an bound_all cases we return the MAXIMUM 1358 * number of addresses that you COULD get. In reality the sub-set 1359 * bound may have an exclusion list for a given TCB OR in the 1360 * bound-all case a TCB may NOT include the loopback or other 1361 * addresses as well. 1362 */ 1363 vrf = sctp_find_vrf(vrf_id); 1364 if (vrf == NULL) { 1365 return (0); 1366 } 1367 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1368 struct sctp_ifn *sctp_ifn; 1369 struct sctp_ifa *sctp_ifa; 1370 1371 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1372 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1373 /* Count them if they are the right type */ 1374 switch (sctp_ifa->address.sa.sa_family) { 1375 #ifdef INET 1376 case AF_INET: 1377 #ifdef INET6 1378 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1379 cnt += sizeof(struct sockaddr_in6); 1380 else 1381 cnt += sizeof(struct sockaddr_in); 1382 #else 1383 cnt += sizeof(struct sockaddr_in); 1384 #endif 1385 break; 1386 #endif 1387 #ifdef INET6 1388 case AF_INET6: 1389 cnt += sizeof(struct sockaddr_in6); 1390 break; 1391 #endif 1392 default: 1393 break; 1394 } 1395 } 1396 } 1397 } else { 1398 struct sctp_laddr *laddr; 1399 1400 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1401 switch (laddr->ifa->address.sa.sa_family) { 1402 #ifdef INET 1403 case AF_INET: 1404 #ifdef INET6 1405 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1406 cnt += sizeof(struct sockaddr_in6); 1407 else 1408 cnt += sizeof(struct sockaddr_in); 1409 #else 1410 cnt += sizeof(struct sockaddr_in); 1411 #endif 1412 break; 1413 #endif 1414 #ifdef INET6 1415 case AF_INET6: 1416 cnt += sizeof(struct sockaddr_in6); 1417 break; 1418 #endif 1419 default: 1420 break; 1421 } 1422 } 1423 } 1424 return (cnt); 1425 } 1426 1427 static int 1428 sctp_count_max_addresses(struct sctp_inpcb *inp) 1429 { 1430 int cnt = 0; 1431 1432 SCTP_IPI_ADDR_RLOCK(); 1433 /* count addresses for the endpoint's default VRF */ 1434 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1435 SCTP_IPI_ADDR_RUNLOCK(); 1436 return (cnt); 1437 } 1438 1439 static int 1440 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1441 size_t optsize, void *p, int delay) 1442 { 1443 int error = 0; 1444 int creat_lock_on = 0; 1445 struct sctp_tcb *stcb = NULL; 1446 struct sockaddr *sa; 1447 int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1448 uint32_t vrf_id; 1449 int bad_addresses = 0; 1450 sctp_assoc_t *a_id; 1451 1452 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1453 1454 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1455 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1456 /* We are already connected AND the TCP model */ 1457 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1458 return (EADDRINUSE); 1459 } 1460 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1461 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1462 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1463 return (EINVAL); 1464 } 1465 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1466 SCTP_INP_RLOCK(inp); 1467 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1468 SCTP_INP_RUNLOCK(inp); 1469 } 1470 if (stcb) { 1471 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1472 return (EALREADY); 1473 } 1474 SCTP_INP_INCR_REF(inp); 1475 SCTP_ASOC_CREATE_LOCK(inp); 1476 creat_lock_on = 1; 1477 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1478 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1479 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1480 error = EFAULT; 1481 goto out_now; 1482 } 1483 totaddrp = (int *)optval; 1484 totaddr = *totaddrp; 1485 sa = (struct sockaddr *)(totaddrp + 1); 1486 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (optsize - sizeof(int)), &bad_addresses); 1487 if ((stcb != NULL) || bad_addresses) { 1488 /* Already have or am bring up an association */ 1489 SCTP_ASOC_CREATE_UNLOCK(inp); 1490 creat_lock_on = 0; 1491 if (stcb) 1492 SCTP_TCB_UNLOCK(stcb); 1493 if (bad_addresses == 0) { 1494 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1495 error = EALREADY; 1496 } 1497 goto out_now; 1498 } 1499 #ifdef INET6 1500 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1501 (num_v6 > 0)) { 1502 error = EINVAL; 1503 goto out_now; 1504 } 1505 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1506 (num_v4 > 0)) { 1507 struct in6pcb *inp6; 1508 1509 inp6 = (struct in6pcb *)inp; 1510 if (SCTP_IPV6_V6ONLY(inp6)) { 1511 /* 1512 * if IPV6_V6ONLY flag, ignore connections destined 1513 * to a v4 addr or v4-mapped addr 1514 */ 1515 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1516 error = EINVAL; 1517 goto out_now; 1518 } 1519 } 1520 #endif /* INET6 */ 1521 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1522 SCTP_PCB_FLAGS_UNBOUND) { 1523 /* Bind a ephemeral port */ 1524 error = sctp_inpcb_bind(so, NULL, NULL, p); 1525 if (error) { 1526 goto out_now; 1527 } 1528 } 1529 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1530 vrf_id = inp->def_vrf_id; 1531 1532 1533 /* We are GOOD to go */ 1534 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1535 (struct thread *)p 1536 ); 1537 if (stcb == NULL) { 1538 /* Gak! no memory */ 1539 goto out_now; 1540 } 1541 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1542 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1543 /* Set the connected flag so we can queue data */ 1544 soisconnecting(so); 1545 } 1546 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 1547 /* move to second address */ 1548 switch (sa->sa_family) { 1549 #ifdef INET 1550 case AF_INET: 1551 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1552 break; 1553 #endif 1554 #ifdef INET6 1555 case AF_INET6: 1556 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1557 break; 1558 #endif 1559 default: 1560 break; 1561 } 1562 1563 error = 0; 1564 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1565 /* Fill in the return id */ 1566 if (error) { 1567 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6); 1568 goto out_now; 1569 } 1570 a_id = (sctp_assoc_t *) optval; 1571 *a_id = sctp_get_associd(stcb); 1572 1573 /* initialize authentication parameters for the assoc */ 1574 sctp_initialize_auth_params(inp, stcb); 1575 1576 if (delay) { 1577 /* doing delayed connection */ 1578 stcb->asoc.delayed_connection = 1; 1579 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1580 } else { 1581 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1582 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1583 } 1584 SCTP_TCB_UNLOCK(stcb); 1585 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1586 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1587 /* Set the connected flag so we can queue data */ 1588 soisconnecting(so); 1589 } 1590 out_now: 1591 if (creat_lock_on) { 1592 SCTP_ASOC_CREATE_UNLOCK(inp); 1593 } 1594 SCTP_INP_DECR_REF(inp); 1595 return (error); 1596 } 1597 1598 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1599 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1600 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1601 SCTP_INP_RLOCK(inp); \ 1602 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1603 if (stcb) { \ 1604 SCTP_TCB_LOCK(stcb); \ 1605 } \ 1606 SCTP_INP_RUNLOCK(inp); \ 1607 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1608 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1609 if (stcb == NULL) { \ 1610 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1611 error = ENOENT; \ 1612 break; \ 1613 } \ 1614 } else { \ 1615 stcb = NULL; \ 1616 } \ 1617 } 1618 1619 1620 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1621 if (size < sizeof(type)) { \ 1622 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1623 error = EINVAL; \ 1624 break; \ 1625 } else { \ 1626 destp = (type *)srcp; \ 1627 } \ 1628 } 1629 1630 static int 1631 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1632 void *p) 1633 { 1634 struct sctp_inpcb *inp = NULL; 1635 int error, val = 0; 1636 struct sctp_tcb *stcb = NULL; 1637 1638 if (optval == NULL) { 1639 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1640 return (EINVAL); 1641 } 1642 inp = (struct sctp_inpcb *)so->so_pcb; 1643 if (inp == NULL) { 1644 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1645 return EINVAL; 1646 } 1647 error = 0; 1648 1649 switch (optname) { 1650 case SCTP_NODELAY: 1651 case SCTP_AUTOCLOSE: 1652 case SCTP_EXPLICIT_EOR: 1653 case SCTP_AUTO_ASCONF: 1654 case SCTP_DISABLE_FRAGMENTS: 1655 case SCTP_I_WANT_MAPPED_V4_ADDR: 1656 case SCTP_USE_EXT_RCVINFO: 1657 SCTP_INP_RLOCK(inp); 1658 switch (optname) { 1659 case SCTP_DISABLE_FRAGMENTS: 1660 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1661 break; 1662 case SCTP_I_WANT_MAPPED_V4_ADDR: 1663 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1664 break; 1665 case SCTP_AUTO_ASCONF: 1666 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1667 /* only valid for bound all sockets */ 1668 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1669 } else { 1670 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1671 error = EINVAL; 1672 goto flags_out; 1673 } 1674 break; 1675 case SCTP_EXPLICIT_EOR: 1676 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1677 break; 1678 case SCTP_NODELAY: 1679 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1680 break; 1681 case SCTP_USE_EXT_RCVINFO: 1682 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1683 break; 1684 case SCTP_AUTOCLOSE: 1685 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1686 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1687 else 1688 val = 0; 1689 break; 1690 1691 default: 1692 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1693 error = ENOPROTOOPT; 1694 } /* end switch (sopt->sopt_name) */ 1695 if (*optsize < sizeof(val)) { 1696 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1697 error = EINVAL; 1698 } 1699 flags_out: 1700 SCTP_INP_RUNLOCK(inp); 1701 if (error == 0) { 1702 /* return the option value */ 1703 *(int *)optval = val; 1704 *optsize = sizeof(val); 1705 } 1706 break; 1707 case SCTP_GET_PACKET_LOG: 1708 { 1709 #ifdef SCTP_PACKET_LOGGING 1710 uint8_t *target; 1711 int ret; 1712 1713 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1714 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1715 *optsize = ret; 1716 #else 1717 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1718 error = EOPNOTSUPP; 1719 #endif 1720 break; 1721 } 1722 case SCTP_REUSE_PORT: 1723 { 1724 uint32_t *value; 1725 1726 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1727 /* Can't do this for a 1-m socket */ 1728 error = EINVAL; 1729 break; 1730 } 1731 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1732 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1733 *optsize = sizeof(uint32_t); 1734 break; 1735 } 1736 case SCTP_PARTIAL_DELIVERY_POINT: 1737 { 1738 uint32_t *value; 1739 1740 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1741 *value = inp->partial_delivery_point; 1742 *optsize = sizeof(uint32_t); 1743 break; 1744 } 1745 case SCTP_FRAGMENT_INTERLEAVE: 1746 { 1747 uint32_t *value; 1748 1749 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1750 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1751 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1752 *value = SCTP_FRAG_LEVEL_2; 1753 } else { 1754 *value = SCTP_FRAG_LEVEL_1; 1755 } 1756 } else { 1757 *value = SCTP_FRAG_LEVEL_0; 1758 } 1759 *optsize = sizeof(uint32_t); 1760 break; 1761 } 1762 case SCTP_CMT_ON_OFF: 1763 { 1764 struct sctp_assoc_value *av; 1765 1766 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1767 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1768 if (stcb) { 1769 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1770 SCTP_TCB_UNLOCK(stcb); 1771 } else { 1772 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1773 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1774 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1775 SCTP_INP_RLOCK(inp); 1776 av->assoc_value = inp->sctp_cmt_on_off; 1777 SCTP_INP_RUNLOCK(inp); 1778 } else { 1779 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1780 error = EINVAL; 1781 } 1782 } 1783 if (error == 0) { 1784 *optsize = sizeof(struct sctp_assoc_value); 1785 } 1786 break; 1787 } 1788 case SCTP_PLUGGABLE_CC: 1789 { 1790 struct sctp_assoc_value *av; 1791 1792 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1793 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1794 if (stcb) { 1795 av->assoc_value = stcb->asoc.congestion_control_module; 1796 SCTP_TCB_UNLOCK(stcb); 1797 } else { 1798 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1799 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1800 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1801 SCTP_INP_RLOCK(inp); 1802 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1803 SCTP_INP_RUNLOCK(inp); 1804 } else { 1805 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1806 error = EINVAL; 1807 } 1808 } 1809 if (error == 0) { 1810 *optsize = sizeof(struct sctp_assoc_value); 1811 } 1812 break; 1813 } 1814 case SCTP_CC_OPTION: 1815 { 1816 struct sctp_cc_option *cc_opt; 1817 1818 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1819 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1820 if (stcb == NULL) { 1821 error = EINVAL; 1822 } else { 1823 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1824 error = ENOTSUP; 1825 } else { 1826 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1827 *optsize = sizeof(struct sctp_cc_option); 1828 } 1829 SCTP_TCB_UNLOCK(stcb); 1830 } 1831 break; 1832 } 1833 case SCTP_PLUGGABLE_SS: 1834 { 1835 struct sctp_assoc_value *av; 1836 1837 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1838 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1839 if (stcb) { 1840 av->assoc_value = stcb->asoc.stream_scheduling_module; 1841 SCTP_TCB_UNLOCK(stcb); 1842 } else { 1843 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1844 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1845 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1846 SCTP_INP_RLOCK(inp); 1847 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1848 SCTP_INP_RUNLOCK(inp); 1849 } else { 1850 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1851 error = EINVAL; 1852 } 1853 } 1854 if (error == 0) { 1855 *optsize = sizeof(struct sctp_assoc_value); 1856 } 1857 break; 1858 } 1859 case SCTP_SS_VALUE: 1860 { 1861 struct sctp_stream_value *av; 1862 1863 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1864 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1865 if (stcb) { 1866 if (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1867 &av->stream_value) < 0) { 1868 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1869 error = EINVAL; 1870 } else { 1871 *optsize = sizeof(struct sctp_stream_value); 1872 } 1873 SCTP_TCB_UNLOCK(stcb); 1874 } else { 1875 /* 1876 * Can't get stream value without 1877 * association 1878 */ 1879 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1880 error = EINVAL; 1881 } 1882 break; 1883 } 1884 case SCTP_GET_ADDR_LEN: 1885 { 1886 struct sctp_assoc_value *av; 1887 1888 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1889 error = EINVAL; 1890 #ifdef INET 1891 if (av->assoc_value == AF_INET) { 1892 av->assoc_value = sizeof(struct sockaddr_in); 1893 error = 0; 1894 } 1895 #endif 1896 #ifdef INET6 1897 if (av->assoc_value == AF_INET6) { 1898 av->assoc_value = sizeof(struct sockaddr_in6); 1899 error = 0; 1900 } 1901 #endif 1902 if (error) { 1903 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1904 } else { 1905 *optsize = sizeof(struct sctp_assoc_value); 1906 } 1907 break; 1908 } 1909 case SCTP_GET_ASSOC_NUMBER: 1910 { 1911 uint32_t *value, cnt; 1912 1913 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1914 cnt = 0; 1915 SCTP_INP_RLOCK(inp); 1916 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1917 cnt++; 1918 } 1919 SCTP_INP_RUNLOCK(inp); 1920 *value = cnt; 1921 *optsize = sizeof(uint32_t); 1922 break; 1923 } 1924 case SCTP_GET_ASSOC_ID_LIST: 1925 { 1926 struct sctp_assoc_ids *ids; 1927 unsigned int at, limit; 1928 1929 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1930 at = 0; 1931 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1932 SCTP_INP_RLOCK(inp); 1933 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1934 if (at < limit) { 1935 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1936 } else { 1937 error = EINVAL; 1938 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1939 break; 1940 } 1941 } 1942 SCTP_INP_RUNLOCK(inp); 1943 if (error == 0) { 1944 ids->gaids_number_of_ids = at; 1945 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1946 } 1947 break; 1948 } 1949 case SCTP_CONTEXT: 1950 { 1951 struct sctp_assoc_value *av; 1952 1953 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1954 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1955 1956 if (stcb) { 1957 av->assoc_value = stcb->asoc.context; 1958 SCTP_TCB_UNLOCK(stcb); 1959 } else { 1960 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1961 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1962 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1963 SCTP_INP_RLOCK(inp); 1964 av->assoc_value = inp->sctp_context; 1965 SCTP_INP_RUNLOCK(inp); 1966 } else { 1967 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1968 error = EINVAL; 1969 } 1970 } 1971 if (error == 0) { 1972 *optsize = sizeof(struct sctp_assoc_value); 1973 } 1974 break; 1975 } 1976 case SCTP_VRF_ID: 1977 { 1978 uint32_t *default_vrfid; 1979 1980 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1981 *default_vrfid = inp->def_vrf_id; 1982 *optsize = sizeof(uint32_t); 1983 break; 1984 } 1985 case SCTP_GET_ASOC_VRF: 1986 { 1987 struct sctp_assoc_value *id; 1988 1989 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1990 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1991 if (stcb == NULL) { 1992 error = EINVAL; 1993 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1994 } else { 1995 id->assoc_value = stcb->asoc.vrf_id; 1996 *optsize = sizeof(struct sctp_assoc_value); 1997 } 1998 break; 1999 } 2000 case SCTP_GET_VRF_IDS: 2001 { 2002 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 2003 error = EOPNOTSUPP; 2004 break; 2005 } 2006 case SCTP_GET_NONCE_VALUES: 2007 { 2008 struct sctp_get_nonce_values *gnv; 2009 2010 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 2011 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 2012 2013 if (stcb) { 2014 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 2015 gnv->gn_local_tag = stcb->asoc.my_vtag; 2016 SCTP_TCB_UNLOCK(stcb); 2017 *optsize = sizeof(struct sctp_get_nonce_values); 2018 } else { 2019 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2020 error = ENOTCONN; 2021 } 2022 break; 2023 } 2024 case SCTP_DELAYED_SACK: 2025 { 2026 struct sctp_sack_info *sack; 2027 2028 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 2029 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 2030 if (stcb) { 2031 sack->sack_delay = stcb->asoc.delayed_ack; 2032 sack->sack_freq = stcb->asoc.sack_freq; 2033 SCTP_TCB_UNLOCK(stcb); 2034 } else { 2035 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2036 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2037 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) { 2038 SCTP_INP_RLOCK(inp); 2039 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2040 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2041 SCTP_INP_RUNLOCK(inp); 2042 } else { 2043 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2044 error = EINVAL; 2045 } 2046 } 2047 if (error == 0) { 2048 *optsize = sizeof(struct sctp_sack_info); 2049 } 2050 break; 2051 } 2052 case SCTP_GET_SNDBUF_USE: 2053 { 2054 struct sctp_sockstat *ss; 2055 2056 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2057 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2058 2059 if (stcb) { 2060 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2061 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2062 stcb->asoc.size_on_all_streams); 2063 SCTP_TCB_UNLOCK(stcb); 2064 *optsize = sizeof(struct sctp_sockstat); 2065 } else { 2066 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2067 error = ENOTCONN; 2068 } 2069 break; 2070 } 2071 case SCTP_MAX_BURST: 2072 { 2073 struct sctp_assoc_value *av; 2074 2075 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2076 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2077 2078 if (stcb) { 2079 av->assoc_value = stcb->asoc.max_burst; 2080 SCTP_TCB_UNLOCK(stcb); 2081 } else { 2082 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2083 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2084 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2085 SCTP_INP_RLOCK(inp); 2086 av->assoc_value = inp->sctp_ep.max_burst; 2087 SCTP_INP_RUNLOCK(inp); 2088 } else { 2089 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2090 error = EINVAL; 2091 } 2092 } 2093 if (error == 0) { 2094 *optsize = sizeof(struct sctp_assoc_value); 2095 } 2096 break; 2097 } 2098 case SCTP_MAXSEG: 2099 { 2100 struct sctp_assoc_value *av; 2101 int ovh; 2102 2103 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2104 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2105 2106 if (stcb) { 2107 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2108 SCTP_TCB_UNLOCK(stcb); 2109 } else { 2110 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2111 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2112 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2113 SCTP_INP_RLOCK(inp); 2114 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2115 ovh = SCTP_MED_OVERHEAD; 2116 } else { 2117 ovh = SCTP_MED_V4_OVERHEAD; 2118 } 2119 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2120 av->assoc_value = 0; 2121 else 2122 av->assoc_value = inp->sctp_frag_point - ovh; 2123 SCTP_INP_RUNLOCK(inp); 2124 } else { 2125 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2126 error = EINVAL; 2127 } 2128 } 2129 if (error == 0) { 2130 *optsize = sizeof(struct sctp_assoc_value); 2131 } 2132 break; 2133 } 2134 case SCTP_GET_STAT_LOG: 2135 error = sctp_fill_stat_log(optval, optsize); 2136 break; 2137 case SCTP_EVENTS: 2138 { 2139 struct sctp_event_subscribe *events; 2140 2141 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2142 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2143 SCTP_INP_RLOCK(inp); 2144 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2145 events->sctp_data_io_event = 1; 2146 2147 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2148 events->sctp_association_event = 1; 2149 2150 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2151 events->sctp_address_event = 1; 2152 2153 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2154 events->sctp_send_failure_event = 1; 2155 2156 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2157 events->sctp_peer_error_event = 1; 2158 2159 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2160 events->sctp_shutdown_event = 1; 2161 2162 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2163 events->sctp_partial_delivery_event = 1; 2164 2165 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2166 events->sctp_adaptation_layer_event = 1; 2167 2168 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2169 events->sctp_authentication_event = 1; 2170 2171 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2172 events->sctp_sender_dry_event = 1; 2173 2174 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2175 events->sctp_stream_reset_event = 1; 2176 SCTP_INP_RUNLOCK(inp); 2177 *optsize = sizeof(struct sctp_event_subscribe); 2178 break; 2179 } 2180 case SCTP_ADAPTATION_LAYER: 2181 { 2182 uint32_t *value; 2183 2184 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2185 2186 SCTP_INP_RLOCK(inp); 2187 *value = inp->sctp_ep.adaptation_layer_indicator; 2188 SCTP_INP_RUNLOCK(inp); 2189 *optsize = sizeof(uint32_t); 2190 break; 2191 } 2192 case SCTP_SET_INITIAL_DBG_SEQ: 2193 { 2194 uint32_t *value; 2195 2196 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2197 SCTP_INP_RLOCK(inp); 2198 *value = inp->sctp_ep.initial_sequence_debug; 2199 SCTP_INP_RUNLOCK(inp); 2200 *optsize = sizeof(uint32_t); 2201 break; 2202 } 2203 case SCTP_GET_LOCAL_ADDR_SIZE: 2204 { 2205 uint32_t *value; 2206 2207 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2208 SCTP_INP_RLOCK(inp); 2209 *value = sctp_count_max_addresses(inp); 2210 SCTP_INP_RUNLOCK(inp); 2211 *optsize = sizeof(uint32_t); 2212 break; 2213 } 2214 case SCTP_GET_REMOTE_ADDR_SIZE: 2215 { 2216 uint32_t *value; 2217 size_t size; 2218 struct sctp_nets *net; 2219 2220 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2221 /* FIXME MT: change to sctp_assoc_value? */ 2222 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 2223 2224 if (stcb) { 2225 size = 0; 2226 /* Count the sizes */ 2227 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2228 switch (net->ro._l_addr.sa.sa_family) { 2229 #ifdef INET 2230 case AF_INET: 2231 #ifdef INET6 2232 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2233 size += sizeof(struct sockaddr_in6); 2234 } else { 2235 size += sizeof(struct sockaddr_in); 2236 } 2237 #else 2238 size += sizeof(struct sockaddr_in); 2239 #endif 2240 break; 2241 #endif 2242 #ifdef INET6 2243 case AF_INET6: 2244 size += sizeof(struct sockaddr_in6); 2245 break; 2246 #endif 2247 default: 2248 break; 2249 } 2250 } 2251 SCTP_TCB_UNLOCK(stcb); 2252 *value = (uint32_t) size; 2253 *optsize = sizeof(uint32_t); 2254 } else { 2255 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2256 error = ENOTCONN; 2257 } 2258 break; 2259 } 2260 case SCTP_GET_PEER_ADDRESSES: 2261 /* 2262 * Get the address information, an array is passed in to 2263 * fill up we pack it. 2264 */ 2265 { 2266 size_t cpsz, left; 2267 struct sockaddr_storage *sas; 2268 struct sctp_nets *net; 2269 struct sctp_getaddresses *saddr; 2270 2271 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2272 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2273 2274 if (stcb) { 2275 left = (*optsize) - sizeof(struct sctp_getaddresses); 2276 *optsize = sizeof(struct sctp_getaddresses); 2277 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2278 2279 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2280 switch (net->ro._l_addr.sa.sa_family) { 2281 #ifdef INET 2282 case AF_INET: 2283 #ifdef INET6 2284 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2285 cpsz = sizeof(struct sockaddr_in6); 2286 } else { 2287 cpsz = sizeof(struct sockaddr_in); 2288 } 2289 #else 2290 cpsz = sizeof(struct sockaddr_in); 2291 #endif 2292 break; 2293 #endif 2294 #ifdef INET6 2295 case AF_INET6: 2296 cpsz = sizeof(struct sockaddr_in6); 2297 break; 2298 #endif 2299 default: 2300 cpsz = 0; 2301 break; 2302 } 2303 if (cpsz == 0) { 2304 break; 2305 } 2306 if (left < cpsz) { 2307 /* not enough room. */ 2308 break; 2309 } 2310 #if defined(INET) && defined(INET6) 2311 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2312 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2313 /* Must map the address */ 2314 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2315 (struct sockaddr_in6 *)sas); 2316 } else { 2317 memcpy(sas, &net->ro._l_addr, cpsz); 2318 } 2319 #else 2320 memcpy(sas, &net->ro._l_addr, cpsz); 2321 #endif 2322 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2323 2324 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2325 left -= cpsz; 2326 *optsize += cpsz; 2327 } 2328 SCTP_TCB_UNLOCK(stcb); 2329 } else { 2330 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2331 error = ENOENT; 2332 } 2333 break; 2334 } 2335 case SCTP_GET_LOCAL_ADDRESSES: 2336 { 2337 size_t limit, actual; 2338 struct sockaddr_storage *sas; 2339 struct sctp_getaddresses *saddr; 2340 2341 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2342 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2343 2344 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2345 limit = *optsize - sizeof(sctp_assoc_t); 2346 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2347 if (stcb) { 2348 SCTP_TCB_UNLOCK(stcb); 2349 } 2350 *optsize = sizeof(struct sockaddr_storage) + actual; 2351 break; 2352 } 2353 case SCTP_PEER_ADDR_PARAMS: 2354 { 2355 struct sctp_paddrparams *paddrp; 2356 struct sctp_nets *net; 2357 struct sockaddr *addr; 2358 2359 #if defined(INET) && defined(INET6) 2360 struct sockaddr_in sin_store; 2361 2362 #endif 2363 2364 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2365 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2366 2367 #if defined(INET) && defined(INET6) 2368 if (paddrp->spp_address.ss_family == AF_INET6) { 2369 struct sockaddr_in6 *sin6; 2370 2371 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2372 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2373 in6_sin6_2_sin(&sin_store, sin6); 2374 addr = (struct sockaddr *)&sin_store; 2375 } else { 2376 addr = (struct sockaddr *)&paddrp->spp_address; 2377 } 2378 } else { 2379 addr = (struct sockaddr *)&paddrp->spp_address; 2380 } 2381 #else 2382 addr = (struct sockaddr *)&paddrp->spp_address; 2383 #endif 2384 if (stcb != NULL) { 2385 net = sctp_findnet(stcb, addr); 2386 } else { 2387 /* 2388 * We increment here since 2389 * sctp_findassociation_ep_addr() wil do a 2390 * decrement if it finds the stcb as long as 2391 * the locked tcb (last argument) is NOT a 2392 * TCB.. aka NULL. 2393 */ 2394 net = NULL; 2395 SCTP_INP_INCR_REF(inp); 2396 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2397 if (stcb == NULL) { 2398 SCTP_INP_DECR_REF(inp); 2399 } 2400 } 2401 if ((stcb != NULL) && (net == NULL)) { 2402 #ifdef INET 2403 if (addr->sa_family == AF_INET) { 2404 struct sockaddr_in *sin; 2405 2406 sin = (struct sockaddr_in *)addr; 2407 if (sin->sin_addr.s_addr != INADDR_ANY) { 2408 error = EINVAL; 2409 SCTP_TCB_UNLOCK(stcb); 2410 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2411 break; 2412 } 2413 } else 2414 #endif 2415 #ifdef INET6 2416 if (addr->sa_family == AF_INET6) { 2417 struct sockaddr_in6 *sin6; 2418 2419 sin6 = (struct sockaddr_in6 *)addr; 2420 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2421 error = EINVAL; 2422 SCTP_TCB_UNLOCK(stcb); 2423 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2424 break; 2425 } 2426 } else 2427 #endif 2428 { 2429 error = EAFNOSUPPORT; 2430 SCTP_TCB_UNLOCK(stcb); 2431 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2432 break; 2433 } 2434 } 2435 if (stcb != NULL) { 2436 /* Applies to the specific association */ 2437 paddrp->spp_flags = 0; 2438 if (net != NULL) { 2439 int ovh; 2440 2441 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2442 ovh = SCTP_MED_OVERHEAD; 2443 } else { 2444 ovh = SCTP_MED_V4_OVERHEAD; 2445 } 2446 2447 paddrp->spp_hbinterval = net->heart_beat_delay; 2448 paddrp->spp_pathmaxrxt = net->failure_threshold; 2449 paddrp->spp_pathmtu = net->mtu - ovh; 2450 /* get flags for HB */ 2451 if (net->dest_state & SCTP_ADDR_NOHB) { 2452 paddrp->spp_flags |= SPP_HB_DISABLE; 2453 } else { 2454 paddrp->spp_flags |= SPP_HB_ENABLE; 2455 } 2456 /* get flags for PMTU */ 2457 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2458 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2459 } else { 2460 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2461 } 2462 if (net->dscp & 0x01) { 2463 paddrp->spp_dscp = net->dscp & 0xfc; 2464 paddrp->spp_flags |= SPP_DSCP; 2465 } 2466 #ifdef INET6 2467 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2468 (net->flowlabel & 0x80000000)) { 2469 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2470 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2471 } 2472 #endif 2473 } else { 2474 /* 2475 * No destination so return default 2476 * value 2477 */ 2478 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2479 paddrp->spp_pathmtu = sctp_get_frag_point(stcb, &stcb->asoc); 2480 if (stcb->asoc.default_dscp & 0x01) { 2481 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2482 paddrp->spp_flags |= SPP_DSCP; 2483 } 2484 #ifdef INET6 2485 if (stcb->asoc.default_flowlabel & 0x80000000) { 2486 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2487 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2488 } 2489 #endif 2490 /* default settings should be these */ 2491 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2492 paddrp->spp_flags |= SPP_HB_DISABLE; 2493 } else { 2494 paddrp->spp_flags |= SPP_HB_ENABLE; 2495 } 2496 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2497 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2498 } else { 2499 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2500 } 2501 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2502 } 2503 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2504 SCTP_TCB_UNLOCK(stcb); 2505 } else { 2506 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2507 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2508 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 2509 /* Use endpoint defaults */ 2510 SCTP_INP_RLOCK(inp); 2511 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2512 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2513 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2514 /* get inp's default */ 2515 if (inp->sctp_ep.default_dscp & 0x01) { 2516 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2517 paddrp->spp_flags |= SPP_DSCP; 2518 } 2519 #ifdef INET6 2520 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2521 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2522 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2523 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2524 } 2525 #endif 2526 /* can't return this */ 2527 paddrp->spp_pathmtu = 0; 2528 2529 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2530 paddrp->spp_flags |= SPP_HB_ENABLE; 2531 } else { 2532 paddrp->spp_flags |= SPP_HB_DISABLE; 2533 } 2534 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2535 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2536 } else { 2537 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2538 } 2539 SCTP_INP_RUNLOCK(inp); 2540 } else { 2541 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2542 error = EINVAL; 2543 } 2544 } 2545 if (error == 0) { 2546 *optsize = sizeof(struct sctp_paddrparams); 2547 } 2548 break; 2549 } 2550 case SCTP_GET_PEER_ADDR_INFO: 2551 { 2552 struct sctp_paddrinfo *paddri; 2553 struct sctp_nets *net; 2554 struct sockaddr *addr; 2555 2556 #if defined(INET) && defined(INET6) 2557 struct sockaddr_in sin_store; 2558 2559 #endif 2560 2561 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2562 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2563 2564 #if defined(INET) && defined(INET6) 2565 if (paddri->spinfo_address.ss_family == AF_INET6) { 2566 struct sockaddr_in6 *sin6; 2567 2568 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2569 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2570 in6_sin6_2_sin(&sin_store, sin6); 2571 addr = (struct sockaddr *)&sin_store; 2572 } else { 2573 addr = (struct sockaddr *)&paddri->spinfo_address; 2574 } 2575 } else { 2576 addr = (struct sockaddr *)&paddri->spinfo_address; 2577 } 2578 #else 2579 addr = (struct sockaddr *)&paddri->spinfo_address; 2580 #endif 2581 if (stcb != NULL) { 2582 net = sctp_findnet(stcb, addr); 2583 } else { 2584 /* 2585 * We increment here since 2586 * sctp_findassociation_ep_addr() wil do a 2587 * decrement if it finds the stcb as long as 2588 * the locked tcb (last argument) is NOT a 2589 * TCB.. aka NULL. 2590 */ 2591 net = NULL; 2592 SCTP_INP_INCR_REF(inp); 2593 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2594 if (stcb == NULL) { 2595 SCTP_INP_DECR_REF(inp); 2596 } 2597 } 2598 2599 if ((stcb != NULL) && (net != NULL)) { 2600 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2601 /* It's unconfirmed */ 2602 paddri->spinfo_state = SCTP_UNCONFIRMED; 2603 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2604 /* It's active */ 2605 paddri->spinfo_state = SCTP_ACTIVE; 2606 } else { 2607 /* It's inactive */ 2608 paddri->spinfo_state = SCTP_INACTIVE; 2609 } 2610 paddri->spinfo_cwnd = net->cwnd; 2611 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2612 paddri->spinfo_rto = net->RTO; 2613 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2614 paddri->spinfo_mtu = net->mtu; 2615 SCTP_TCB_UNLOCK(stcb); 2616 *optsize = sizeof(struct sctp_paddrinfo); 2617 } else { 2618 if (stcb != NULL) { 2619 SCTP_TCB_UNLOCK(stcb); 2620 } 2621 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2622 error = ENOENT; 2623 } 2624 break; 2625 } 2626 case SCTP_PCB_STATUS: 2627 { 2628 struct sctp_pcbinfo *spcb; 2629 2630 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2631 sctp_fill_pcbinfo(spcb); 2632 *optsize = sizeof(struct sctp_pcbinfo); 2633 break; 2634 } 2635 case SCTP_STATUS: 2636 { 2637 struct sctp_nets *net; 2638 struct sctp_status *sstat; 2639 2640 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2641 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2642 2643 if (stcb == NULL) { 2644 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2645 error = EINVAL; 2646 break; 2647 } 2648 /* 2649 * I think passing the state is fine since 2650 * sctp_constants.h will be available to the user 2651 * land. 2652 */ 2653 sstat->sstat_state = stcb->asoc.state; 2654 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2655 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2656 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2657 /* 2658 * We can't include chunks that have been passed to 2659 * the socket layer. Only things in queue. 2660 */ 2661 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2662 stcb->asoc.cnt_on_all_streams); 2663 2664 2665 sstat->sstat_instrms = stcb->asoc.streamincnt; 2666 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2667 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2668 memcpy(&sstat->sstat_primary.spinfo_address, 2669 &stcb->asoc.primary_destination->ro._l_addr, 2670 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2671 net = stcb->asoc.primary_destination; 2672 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2673 /* 2674 * Again the user can get info from sctp_constants.h 2675 * for what the state of the network is. 2676 */ 2677 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2678 /* It's unconfirmed */ 2679 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2680 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2681 /* It's active */ 2682 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2683 } else { 2684 /* It's inactive */ 2685 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2686 } 2687 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2688 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2689 sstat->sstat_primary.spinfo_rto = net->RTO; 2690 sstat->sstat_primary.spinfo_mtu = net->mtu; 2691 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2692 SCTP_TCB_UNLOCK(stcb); 2693 *optsize = sizeof(struct sctp_status); 2694 break; 2695 } 2696 case SCTP_RTOINFO: 2697 { 2698 struct sctp_rtoinfo *srto; 2699 2700 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2701 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2702 2703 if (stcb) { 2704 srto->srto_initial = stcb->asoc.initial_rto; 2705 srto->srto_max = stcb->asoc.maxrto; 2706 srto->srto_min = stcb->asoc.minrto; 2707 SCTP_TCB_UNLOCK(stcb); 2708 } else { 2709 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2710 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2711 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2712 SCTP_INP_RLOCK(inp); 2713 srto->srto_initial = inp->sctp_ep.initial_rto; 2714 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2715 srto->srto_min = inp->sctp_ep.sctp_minrto; 2716 SCTP_INP_RUNLOCK(inp); 2717 } else { 2718 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2719 error = EINVAL; 2720 } 2721 } 2722 if (error == 0) { 2723 *optsize = sizeof(struct sctp_rtoinfo); 2724 } 2725 break; 2726 } 2727 case SCTP_TIMEOUTS: 2728 { 2729 struct sctp_timeouts *stimo; 2730 2731 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2732 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2733 2734 if (stcb) { 2735 stimo->stimo_init = stcb->asoc.timoinit; 2736 stimo->stimo_data = stcb->asoc.timodata; 2737 stimo->stimo_sack = stcb->asoc.timosack; 2738 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2739 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2740 stimo->stimo_cookie = stcb->asoc.timocookie; 2741 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2742 SCTP_TCB_UNLOCK(stcb); 2743 *optsize = sizeof(struct sctp_timeouts); 2744 } else { 2745 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2746 error = EINVAL; 2747 } 2748 break; 2749 } 2750 case SCTP_ASSOCINFO: 2751 { 2752 struct sctp_assocparams *sasoc; 2753 2754 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2755 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2756 2757 if (stcb) { 2758 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2759 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2760 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2761 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2762 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2763 SCTP_TCB_UNLOCK(stcb); 2764 } else { 2765 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2766 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2767 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2768 SCTP_INP_RLOCK(inp); 2769 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2770 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2771 sasoc->sasoc_number_peer_destinations = 0; 2772 sasoc->sasoc_peer_rwnd = 0; 2773 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2774 SCTP_INP_RUNLOCK(inp); 2775 } else { 2776 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2777 error = EINVAL; 2778 } 2779 } 2780 if (error == 0) { 2781 *optsize = sizeof(struct sctp_assocparams); 2782 } 2783 break; 2784 } 2785 case SCTP_DEFAULT_SEND_PARAM: 2786 { 2787 struct sctp_sndrcvinfo *s_info; 2788 2789 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2790 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2791 2792 if (stcb) { 2793 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2794 SCTP_TCB_UNLOCK(stcb); 2795 } else { 2796 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2797 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2798 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2799 SCTP_INP_RLOCK(inp); 2800 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2801 SCTP_INP_RUNLOCK(inp); 2802 } else { 2803 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2804 error = EINVAL; 2805 } 2806 } 2807 if (error == 0) { 2808 *optsize = sizeof(struct sctp_sndrcvinfo); 2809 } 2810 break; 2811 } 2812 case SCTP_INITMSG: 2813 { 2814 struct sctp_initmsg *sinit; 2815 2816 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2817 SCTP_INP_RLOCK(inp); 2818 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2819 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2820 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2821 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2822 SCTP_INP_RUNLOCK(inp); 2823 *optsize = sizeof(struct sctp_initmsg); 2824 break; 2825 } 2826 case SCTP_PRIMARY_ADDR: 2827 /* we allow a "get" operation on this */ 2828 { 2829 struct sctp_setprim *ssp; 2830 2831 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2832 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2833 2834 if (stcb) { 2835 union sctp_sockstore *addr; 2836 2837 addr = &stcb->asoc.primary_destination->ro._l_addr; 2838 switch (addr->sa.sa_family) { 2839 #ifdef INET 2840 case AF_INET: 2841 #ifdef INET6 2842 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2843 in6_sin_2_v4mapsin6(&addr->sin, 2844 (struct sockaddr_in6 *)&ssp->ssp_addr); 2845 } else { 2846 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2847 } 2848 #else 2849 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2850 #endif 2851 break; 2852 #endif 2853 #ifdef INET6 2854 case AF_INET6: 2855 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2856 break; 2857 #endif 2858 default: 2859 break; 2860 } 2861 SCTP_TCB_UNLOCK(stcb); 2862 *optsize = sizeof(struct sctp_setprim); 2863 } else { 2864 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2865 error = EINVAL; 2866 } 2867 break; 2868 } 2869 case SCTP_HMAC_IDENT: 2870 { 2871 struct sctp_hmacalgo *shmac; 2872 sctp_hmaclist_t *hmaclist; 2873 uint32_t size; 2874 int i; 2875 2876 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2877 2878 SCTP_INP_RLOCK(inp); 2879 hmaclist = inp->sctp_ep.local_hmacs; 2880 if (hmaclist == NULL) { 2881 /* no HMACs to return */ 2882 *optsize = sizeof(*shmac); 2883 SCTP_INP_RUNLOCK(inp); 2884 break; 2885 } 2886 /* is there room for all of the hmac ids? */ 2887 size = sizeof(*shmac) + (hmaclist->num_algo * 2888 sizeof(shmac->shmac_idents[0])); 2889 if ((size_t)(*optsize) < size) { 2890 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2891 error = EINVAL; 2892 SCTP_INP_RUNLOCK(inp); 2893 break; 2894 } 2895 /* copy in the list */ 2896 shmac->shmac_number_of_idents = hmaclist->num_algo; 2897 for (i = 0; i < hmaclist->num_algo; i++) { 2898 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2899 } 2900 SCTP_INP_RUNLOCK(inp); 2901 *optsize = size; 2902 break; 2903 } 2904 case SCTP_AUTH_ACTIVE_KEY: 2905 { 2906 struct sctp_authkeyid *scact; 2907 2908 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2909 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2910 2911 if (stcb) { 2912 /* get the active key on the assoc */ 2913 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2914 SCTP_TCB_UNLOCK(stcb); 2915 } else { 2916 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2917 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2918 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2919 /* get the endpoint active key */ 2920 SCTP_INP_RLOCK(inp); 2921 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2922 SCTP_INP_RUNLOCK(inp); 2923 } else { 2924 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2925 error = EINVAL; 2926 } 2927 } 2928 if (error == 0) { 2929 *optsize = sizeof(struct sctp_authkeyid); 2930 } 2931 break; 2932 } 2933 case SCTP_LOCAL_AUTH_CHUNKS: 2934 { 2935 struct sctp_authchunks *sac; 2936 sctp_auth_chklist_t *chklist = NULL; 2937 size_t size = 0; 2938 2939 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2940 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2941 2942 if (stcb) { 2943 /* get off the assoc */ 2944 chklist = stcb->asoc.local_auth_chunks; 2945 /* is there enough space? */ 2946 size = sctp_auth_get_chklist_size(chklist); 2947 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2948 error = EINVAL; 2949 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2950 } else { 2951 /* copy in the chunks */ 2952 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2953 sac->gauth_number_of_chunks = (uint32_t) size; 2954 *optsize = sizeof(struct sctp_authchunks) + size; 2955 } 2956 SCTP_TCB_UNLOCK(stcb); 2957 } else { 2958 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2959 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2960 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 2961 /* get off the endpoint */ 2962 SCTP_INP_RLOCK(inp); 2963 chklist = inp->sctp_ep.local_auth_chunks; 2964 /* is there enough space? */ 2965 size = sctp_auth_get_chklist_size(chklist); 2966 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2967 error = EINVAL; 2968 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2969 } else { 2970 /* copy in the chunks */ 2971 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2972 sac->gauth_number_of_chunks = (uint32_t) size; 2973 *optsize = sizeof(struct sctp_authchunks) + size; 2974 } 2975 SCTP_INP_RUNLOCK(inp); 2976 } else { 2977 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2978 error = EINVAL; 2979 } 2980 } 2981 break; 2982 } 2983 case SCTP_PEER_AUTH_CHUNKS: 2984 { 2985 struct sctp_authchunks *sac; 2986 sctp_auth_chklist_t *chklist = NULL; 2987 size_t size = 0; 2988 2989 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2990 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2991 2992 if (stcb) { 2993 /* get off the assoc */ 2994 chklist = stcb->asoc.peer_auth_chunks; 2995 /* is there enough space? */ 2996 size = sctp_auth_get_chklist_size(chklist); 2997 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2998 error = EINVAL; 2999 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3000 } else { 3001 /* copy in the chunks */ 3002 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 3003 sac->gauth_number_of_chunks = (uint32_t) size; 3004 *optsize = sizeof(struct sctp_authchunks) + size; 3005 } 3006 SCTP_TCB_UNLOCK(stcb); 3007 } else { 3008 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 3009 error = ENOENT; 3010 } 3011 break; 3012 } 3013 case SCTP_EVENT: 3014 { 3015 struct sctp_event *event; 3016 uint32_t event_type; 3017 3018 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 3019 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 3020 3021 switch (event->se_type) { 3022 case SCTP_ASSOC_CHANGE: 3023 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 3024 break; 3025 case SCTP_PEER_ADDR_CHANGE: 3026 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3027 break; 3028 case SCTP_REMOTE_ERROR: 3029 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3030 break; 3031 case SCTP_SEND_FAILED: 3032 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3033 break; 3034 case SCTP_SHUTDOWN_EVENT: 3035 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3036 break; 3037 case SCTP_ADAPTATION_INDICATION: 3038 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3039 break; 3040 case SCTP_PARTIAL_DELIVERY_EVENT: 3041 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3042 break; 3043 case SCTP_AUTHENTICATION_EVENT: 3044 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3045 break; 3046 case SCTP_STREAM_RESET_EVENT: 3047 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3048 break; 3049 case SCTP_SENDER_DRY_EVENT: 3050 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3051 break; 3052 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3053 event_type = 0; 3054 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3055 error = ENOTSUP; 3056 break; 3057 case SCTP_ASSOC_RESET_EVENT: 3058 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3059 break; 3060 case SCTP_STREAM_CHANGE_EVENT: 3061 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3062 break; 3063 case SCTP_SEND_FAILED_EVENT: 3064 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3065 break; 3066 default: 3067 event_type = 0; 3068 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3069 error = EINVAL; 3070 break; 3071 } 3072 if (event_type > 0) { 3073 if (stcb) { 3074 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3075 SCTP_TCB_UNLOCK(stcb); 3076 } else { 3077 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3078 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3079 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 3080 SCTP_INP_RLOCK(inp); 3081 event->se_on = sctp_is_feature_on(inp, event_type); 3082 SCTP_INP_RUNLOCK(inp); 3083 } else { 3084 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3085 error = EINVAL; 3086 } 3087 } 3088 } 3089 if (error == 0) { 3090 *optsize = sizeof(struct sctp_event); 3091 } 3092 break; 3093 } 3094 case SCTP_RECVRCVINFO: 3095 { 3096 int onoff; 3097 3098 if (*optsize < sizeof(int)) { 3099 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3100 error = EINVAL; 3101 } else { 3102 SCTP_INP_RLOCK(inp); 3103 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3104 SCTP_INP_RUNLOCK(inp); 3105 } 3106 if (error == 0) { 3107 /* return the option value */ 3108 *(int *)optval = onoff; 3109 *optsize = sizeof(int); 3110 } 3111 break; 3112 } 3113 case SCTP_RECVNXTINFO: 3114 { 3115 int onoff; 3116 3117 if (*optsize < sizeof(int)) { 3118 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3119 error = EINVAL; 3120 } else { 3121 SCTP_INP_RLOCK(inp); 3122 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3123 SCTP_INP_RUNLOCK(inp); 3124 } 3125 if (error == 0) { 3126 /* return the option value */ 3127 *(int *)optval = onoff; 3128 *optsize = sizeof(int); 3129 } 3130 break; 3131 } 3132 case SCTP_DEFAULT_SNDINFO: 3133 { 3134 struct sctp_sndinfo *info; 3135 3136 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3137 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3138 3139 if (stcb) { 3140 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3141 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3142 info->snd_flags &= 0xfff0; 3143 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3144 info->snd_context = stcb->asoc.def_send.sinfo_context; 3145 SCTP_TCB_UNLOCK(stcb); 3146 } else { 3147 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3148 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3149 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3150 SCTP_INP_RLOCK(inp); 3151 info->snd_sid = inp->def_send.sinfo_stream; 3152 info->snd_flags = inp->def_send.sinfo_flags; 3153 info->snd_flags &= 0xfff0; 3154 info->snd_ppid = inp->def_send.sinfo_ppid; 3155 info->snd_context = inp->def_send.sinfo_context; 3156 SCTP_INP_RUNLOCK(inp); 3157 } else { 3158 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3159 error = EINVAL; 3160 } 3161 } 3162 if (error == 0) { 3163 *optsize = sizeof(struct sctp_sndinfo); 3164 } 3165 break; 3166 } 3167 case SCTP_DEFAULT_PRINFO: 3168 { 3169 struct sctp_default_prinfo *info; 3170 3171 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3172 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3173 3174 if (stcb) { 3175 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3176 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3177 SCTP_TCB_UNLOCK(stcb); 3178 } else { 3179 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3180 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3181 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3182 SCTP_INP_RLOCK(inp); 3183 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3184 info->pr_value = inp->def_send.sinfo_timetolive; 3185 SCTP_INP_RUNLOCK(inp); 3186 } else { 3187 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3188 error = EINVAL; 3189 } 3190 } 3191 if (error == 0) { 3192 *optsize = sizeof(struct sctp_default_prinfo); 3193 } 3194 break; 3195 } 3196 case SCTP_PEER_ADDR_THLDS: 3197 { 3198 struct sctp_paddrthlds *thlds; 3199 struct sctp_nets *net; 3200 struct sockaddr *addr; 3201 3202 #if defined(INET) && defined(INET6) 3203 struct sockaddr_in sin_store; 3204 3205 #endif 3206 3207 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3208 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3209 3210 #if defined(INET) && defined(INET6) 3211 if (thlds->spt_address.ss_family == AF_INET6) { 3212 struct sockaddr_in6 *sin6; 3213 3214 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3215 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3216 in6_sin6_2_sin(&sin_store, sin6); 3217 addr = (struct sockaddr *)&sin_store; 3218 } else { 3219 addr = (struct sockaddr *)&thlds->spt_address; 3220 } 3221 } else { 3222 addr = (struct sockaddr *)&thlds->spt_address; 3223 } 3224 #else 3225 addr = (struct sockaddr *)&thlds->spt_address; 3226 #endif 3227 if (stcb != NULL) { 3228 net = sctp_findnet(stcb, addr); 3229 } else { 3230 /* 3231 * We increment here since 3232 * sctp_findassociation_ep_addr() wil do a 3233 * decrement if it finds the stcb as long as 3234 * the locked tcb (last argument) is NOT a 3235 * TCB.. aka NULL. 3236 */ 3237 net = NULL; 3238 SCTP_INP_INCR_REF(inp); 3239 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3240 if (stcb == NULL) { 3241 SCTP_INP_DECR_REF(inp); 3242 } 3243 } 3244 if ((stcb != NULL) && (net == NULL)) { 3245 #ifdef INET 3246 if (addr->sa_family == AF_INET) { 3247 struct sockaddr_in *sin; 3248 3249 sin = (struct sockaddr_in *)addr; 3250 if (sin->sin_addr.s_addr != INADDR_ANY) { 3251 error = EINVAL; 3252 SCTP_TCB_UNLOCK(stcb); 3253 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3254 break; 3255 } 3256 } else 3257 #endif 3258 #ifdef INET6 3259 if (addr->sa_family == AF_INET6) { 3260 struct sockaddr_in6 *sin6; 3261 3262 sin6 = (struct sockaddr_in6 *)addr; 3263 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3264 error = EINVAL; 3265 SCTP_TCB_UNLOCK(stcb); 3266 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3267 break; 3268 } 3269 } else 3270 #endif 3271 { 3272 error = EAFNOSUPPORT; 3273 SCTP_TCB_UNLOCK(stcb); 3274 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3275 break; 3276 } 3277 } 3278 if (stcb != NULL) { 3279 if (net != NULL) { 3280 thlds->spt_pathmaxrxt = net->failure_threshold; 3281 thlds->spt_pathpfthld = net->pf_threshold; 3282 } else { 3283 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3284 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3285 } 3286 thlds->spt_assoc_id = sctp_get_associd(stcb); 3287 SCTP_TCB_UNLOCK(stcb); 3288 } else { 3289 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3290 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3291 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3292 /* Use endpoint defaults */ 3293 SCTP_INP_RLOCK(inp); 3294 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3295 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3296 SCTP_INP_RUNLOCK(inp); 3297 } else { 3298 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3299 error = EINVAL; 3300 } 3301 } 3302 if (error == 0) { 3303 *optsize = sizeof(struct sctp_paddrthlds); 3304 } 3305 break; 3306 } 3307 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3308 { 3309 struct sctp_udpencaps *encaps; 3310 struct sctp_nets *net; 3311 struct sockaddr *addr; 3312 3313 #if defined(INET) && defined(INET6) 3314 struct sockaddr_in sin_store; 3315 3316 #endif 3317 3318 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3319 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3320 3321 #if defined(INET) && defined(INET6) 3322 if (encaps->sue_address.ss_family == AF_INET6) { 3323 struct sockaddr_in6 *sin6; 3324 3325 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3326 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3327 in6_sin6_2_sin(&sin_store, sin6); 3328 addr = (struct sockaddr *)&sin_store; 3329 } else { 3330 addr = (struct sockaddr *)&encaps->sue_address; 3331 } 3332 } else { 3333 addr = (struct sockaddr *)&encaps->sue_address; 3334 } 3335 #else 3336 addr = (struct sockaddr *)&encaps->sue_address; 3337 #endif 3338 if (stcb) { 3339 net = sctp_findnet(stcb, addr); 3340 } else { 3341 /* 3342 * We increment here since 3343 * sctp_findassociation_ep_addr() wil do a 3344 * decrement if it finds the stcb as long as 3345 * the locked tcb (last argument) is NOT a 3346 * TCB.. aka NULL. 3347 */ 3348 net = NULL; 3349 SCTP_INP_INCR_REF(inp); 3350 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3351 if (stcb == NULL) { 3352 SCTP_INP_DECR_REF(inp); 3353 } 3354 } 3355 if ((stcb != NULL) && (net == NULL)) { 3356 #ifdef INET 3357 if (addr->sa_family == AF_INET) { 3358 struct sockaddr_in *sin; 3359 3360 sin = (struct sockaddr_in *)addr; 3361 if (sin->sin_addr.s_addr != INADDR_ANY) { 3362 error = EINVAL; 3363 SCTP_TCB_UNLOCK(stcb); 3364 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3365 break; 3366 } 3367 } else 3368 #endif 3369 #ifdef INET6 3370 if (addr->sa_family == AF_INET6) { 3371 struct sockaddr_in6 *sin6; 3372 3373 sin6 = (struct sockaddr_in6 *)addr; 3374 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3375 error = EINVAL; 3376 SCTP_TCB_UNLOCK(stcb); 3377 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3378 break; 3379 } 3380 } else 3381 #endif 3382 { 3383 error = EAFNOSUPPORT; 3384 SCTP_TCB_UNLOCK(stcb); 3385 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3386 break; 3387 } 3388 } 3389 if (stcb != NULL) { 3390 if (net) { 3391 encaps->sue_port = net->port; 3392 } else { 3393 encaps->sue_port = stcb->asoc.port; 3394 } 3395 SCTP_TCB_UNLOCK(stcb); 3396 } else { 3397 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3398 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3399 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3400 SCTP_INP_RLOCK(inp); 3401 encaps->sue_port = inp->sctp_ep.port; 3402 SCTP_INP_RUNLOCK(inp); 3403 } else { 3404 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3405 error = EINVAL; 3406 } 3407 } 3408 if (error == 0) { 3409 *optsize = sizeof(struct sctp_udpencaps); 3410 } 3411 break; 3412 } 3413 case SCTP_ECN_SUPPORTED: 3414 { 3415 struct sctp_assoc_value *av; 3416 3417 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3418 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3419 3420 if (stcb) { 3421 av->assoc_value = stcb->asoc.ecn_supported; 3422 SCTP_TCB_UNLOCK(stcb); 3423 } else { 3424 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3425 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3426 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3427 SCTP_INP_RLOCK(inp); 3428 av->assoc_value = inp->ecn_supported; 3429 SCTP_INP_RUNLOCK(inp); 3430 } else { 3431 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3432 error = EINVAL; 3433 } 3434 } 3435 if (error == 0) { 3436 *optsize = sizeof(struct sctp_assoc_value); 3437 } 3438 break; 3439 } 3440 case SCTP_PR_SUPPORTED: 3441 { 3442 struct sctp_assoc_value *av; 3443 3444 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3445 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3446 3447 if (stcb) { 3448 av->assoc_value = stcb->asoc.prsctp_supported; 3449 SCTP_TCB_UNLOCK(stcb); 3450 } else { 3451 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3452 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3453 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3454 SCTP_INP_RLOCK(inp); 3455 av->assoc_value = inp->prsctp_supported; 3456 SCTP_INP_RUNLOCK(inp); 3457 } else { 3458 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3459 error = EINVAL; 3460 } 3461 } 3462 if (error == 0) { 3463 *optsize = sizeof(struct sctp_assoc_value); 3464 } 3465 break; 3466 } 3467 case SCTP_AUTH_SUPPORTED: 3468 { 3469 struct sctp_assoc_value *av; 3470 3471 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3472 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3473 3474 if (stcb) { 3475 av->assoc_value = stcb->asoc.auth_supported; 3476 SCTP_TCB_UNLOCK(stcb); 3477 } else { 3478 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3479 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3480 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3481 SCTP_INP_RLOCK(inp); 3482 av->assoc_value = inp->auth_supported; 3483 SCTP_INP_RUNLOCK(inp); 3484 } else { 3485 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3486 error = EINVAL; 3487 } 3488 } 3489 if (error == 0) { 3490 *optsize = sizeof(struct sctp_assoc_value); 3491 } 3492 break; 3493 } 3494 case SCTP_ASCONF_SUPPORTED: 3495 { 3496 struct sctp_assoc_value *av; 3497 3498 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3499 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3500 3501 if (stcb) { 3502 av->assoc_value = stcb->asoc.asconf_supported; 3503 SCTP_TCB_UNLOCK(stcb); 3504 } else { 3505 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3506 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3507 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3508 SCTP_INP_RLOCK(inp); 3509 av->assoc_value = inp->asconf_supported; 3510 SCTP_INP_RUNLOCK(inp); 3511 } else { 3512 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3513 error = EINVAL; 3514 } 3515 } 3516 if (error == 0) { 3517 *optsize = sizeof(struct sctp_assoc_value); 3518 } 3519 break; 3520 } 3521 case SCTP_RECONFIG_SUPPORTED: 3522 { 3523 struct sctp_assoc_value *av; 3524 3525 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3526 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3527 3528 if (stcb) { 3529 av->assoc_value = stcb->asoc.reconfig_supported; 3530 SCTP_TCB_UNLOCK(stcb); 3531 } else { 3532 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3533 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3534 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3535 SCTP_INP_RLOCK(inp); 3536 av->assoc_value = inp->reconfig_supported; 3537 SCTP_INP_RUNLOCK(inp); 3538 } else { 3539 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3540 error = EINVAL; 3541 } 3542 } 3543 if (error == 0) { 3544 *optsize = sizeof(struct sctp_assoc_value); 3545 } 3546 break; 3547 } 3548 case SCTP_NRSACK_SUPPORTED: 3549 { 3550 struct sctp_assoc_value *av; 3551 3552 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3553 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3554 3555 if (stcb) { 3556 av->assoc_value = stcb->asoc.nrsack_supported; 3557 SCTP_TCB_UNLOCK(stcb); 3558 } else { 3559 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3560 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3561 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3562 SCTP_INP_RLOCK(inp); 3563 av->assoc_value = inp->nrsack_supported; 3564 SCTP_INP_RUNLOCK(inp); 3565 } else { 3566 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3567 error = EINVAL; 3568 } 3569 } 3570 if (error == 0) { 3571 *optsize = sizeof(struct sctp_assoc_value); 3572 } 3573 break; 3574 } 3575 case SCTP_PKTDROP_SUPPORTED: 3576 { 3577 struct sctp_assoc_value *av; 3578 3579 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3580 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3581 3582 if (stcb) { 3583 av->assoc_value = stcb->asoc.pktdrop_supported; 3584 SCTP_TCB_UNLOCK(stcb); 3585 } else { 3586 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3587 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3588 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3589 SCTP_INP_RLOCK(inp); 3590 av->assoc_value = inp->pktdrop_supported; 3591 SCTP_INP_RUNLOCK(inp); 3592 } else { 3593 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3594 error = EINVAL; 3595 } 3596 } 3597 if (error == 0) { 3598 *optsize = sizeof(struct sctp_assoc_value); 3599 } 3600 break; 3601 } 3602 case SCTP_ENABLE_STREAM_RESET: 3603 { 3604 struct sctp_assoc_value *av; 3605 3606 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3607 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3608 3609 if (stcb) { 3610 av->assoc_value = (uint32_t) stcb->asoc.local_strreset_support; 3611 SCTP_TCB_UNLOCK(stcb); 3612 } else { 3613 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3614 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3615 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3616 SCTP_INP_RLOCK(inp); 3617 av->assoc_value = (uint32_t) inp->local_strreset_support; 3618 SCTP_INP_RUNLOCK(inp); 3619 } else { 3620 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3621 error = EINVAL; 3622 } 3623 } 3624 if (error == 0) { 3625 *optsize = sizeof(struct sctp_assoc_value); 3626 } 3627 break; 3628 } 3629 case SCTP_PR_STREAM_STATUS: 3630 { 3631 struct sctp_prstatus *sprstat; 3632 uint16_t sid; 3633 uint16_t policy; 3634 3635 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3636 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3637 3638 sid = sprstat->sprstat_sid; 3639 policy = sprstat->sprstat_policy; 3640 #if defined(SCTP_DETAILED_STR_STATS) 3641 if ((stcb != NULL) && 3642 (sid < stcb->asoc.streamoutcnt) && 3643 (policy != SCTP_PR_SCTP_NONE) && 3644 ((policy <= SCTP_PR_SCTP_MAX) || 3645 (policy == SCTP_PR_SCTP_ALL))) { 3646 if (policy == SCTP_PR_SCTP_ALL) { 3647 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3648 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3649 } else { 3650 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3651 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3652 } 3653 #else 3654 if ((stcb != NULL) && 3655 (sid < stcb->asoc.streamoutcnt) && 3656 (policy == SCTP_PR_SCTP_ALL)) { 3657 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3658 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3659 #endif 3660 SCTP_TCB_UNLOCK(stcb); 3661 *optsize = sizeof(struct sctp_prstatus); 3662 } else { 3663 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3664 error = EINVAL; 3665 } 3666 break; 3667 } 3668 case SCTP_PR_ASSOC_STATUS: 3669 { 3670 struct sctp_prstatus *sprstat; 3671 uint16_t policy; 3672 3673 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3674 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3675 3676 policy = sprstat->sprstat_policy; 3677 if ((stcb != NULL) && 3678 (policy != SCTP_PR_SCTP_NONE) && 3679 ((policy <= SCTP_PR_SCTP_MAX) || 3680 (policy == SCTP_PR_SCTP_ALL))) { 3681 if (policy == SCTP_PR_SCTP_ALL) { 3682 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3683 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3684 } else { 3685 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3686 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3687 } 3688 SCTP_TCB_UNLOCK(stcb); 3689 *optsize = sizeof(struct sctp_prstatus); 3690 } else { 3691 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3692 error = EINVAL; 3693 } 3694 break; 3695 } 3696 default: 3697 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3698 error = ENOPROTOOPT; 3699 break; 3700 } /* end switch (sopt->sopt_name) */ 3701 if (error) { 3702 *optsize = 0; 3703 } 3704 return (error); 3705 } 3706 3707 static int 3708 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3709 void *p) 3710 { 3711 int error, set_opt; 3712 uint32_t *mopt; 3713 struct sctp_tcb *stcb = NULL; 3714 struct sctp_inpcb *inp = NULL; 3715 uint32_t vrf_id; 3716 3717 if (optval == NULL) { 3718 SCTP_PRINTF("optval is NULL\n"); 3719 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3720 return (EINVAL); 3721 } 3722 inp = (struct sctp_inpcb *)so->so_pcb; 3723 if (inp == NULL) { 3724 SCTP_PRINTF("inp is NULL?\n"); 3725 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3726 return (EINVAL); 3727 } 3728 vrf_id = inp->def_vrf_id; 3729 3730 error = 0; 3731 switch (optname) { 3732 case SCTP_NODELAY: 3733 case SCTP_AUTOCLOSE: 3734 case SCTP_AUTO_ASCONF: 3735 case SCTP_EXPLICIT_EOR: 3736 case SCTP_DISABLE_FRAGMENTS: 3737 case SCTP_USE_EXT_RCVINFO: 3738 case SCTP_I_WANT_MAPPED_V4_ADDR: 3739 /* copy in the option value */ 3740 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3741 set_opt = 0; 3742 if (error) 3743 break; 3744 switch (optname) { 3745 case SCTP_DISABLE_FRAGMENTS: 3746 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3747 break; 3748 case SCTP_AUTO_ASCONF: 3749 /* 3750 * NOTE: we don't really support this flag 3751 */ 3752 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3753 /* only valid for bound all sockets */ 3754 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3755 (*mopt != 0)) { 3756 /* forbidden by admin */ 3757 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3758 return (EPERM); 3759 } 3760 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3761 } else { 3762 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3763 return (EINVAL); 3764 } 3765 break; 3766 case SCTP_EXPLICIT_EOR: 3767 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3768 break; 3769 case SCTP_USE_EXT_RCVINFO: 3770 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3771 break; 3772 case SCTP_I_WANT_MAPPED_V4_ADDR: 3773 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3774 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3775 } else { 3776 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3777 return (EINVAL); 3778 } 3779 break; 3780 case SCTP_NODELAY: 3781 set_opt = SCTP_PCB_FLAGS_NODELAY; 3782 break; 3783 case SCTP_AUTOCLOSE: 3784 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3785 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3786 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3787 return (EINVAL); 3788 } 3789 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3790 /* 3791 * The value is in ticks. Note this does not effect 3792 * old associations, only new ones. 3793 */ 3794 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3795 break; 3796 } 3797 SCTP_INP_WLOCK(inp); 3798 if (*mopt != 0) { 3799 sctp_feature_on(inp, set_opt); 3800 } else { 3801 sctp_feature_off(inp, set_opt); 3802 } 3803 SCTP_INP_WUNLOCK(inp); 3804 break; 3805 case SCTP_REUSE_PORT: 3806 { 3807 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3808 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3809 /* Can't set it after we are bound */ 3810 error = EINVAL; 3811 break; 3812 } 3813 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3814 /* Can't do this for a 1-m socket */ 3815 error = EINVAL; 3816 break; 3817 } 3818 if (optval) 3819 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3820 else 3821 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3822 break; 3823 } 3824 case SCTP_PARTIAL_DELIVERY_POINT: 3825 { 3826 uint32_t *value; 3827 3828 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3829 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3830 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3831 error = EINVAL; 3832 break; 3833 } 3834 inp->partial_delivery_point = *value; 3835 break; 3836 } 3837 case SCTP_FRAGMENT_INTERLEAVE: 3838 /* not yet until we re-write sctp_recvmsg() */ 3839 { 3840 uint32_t *level; 3841 3842 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3843 if (*level == SCTP_FRAG_LEVEL_2) { 3844 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3845 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3846 } else if (*level == SCTP_FRAG_LEVEL_1) { 3847 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3848 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3849 } else if (*level == SCTP_FRAG_LEVEL_0) { 3850 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3851 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3852 3853 } else { 3854 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3855 error = EINVAL; 3856 } 3857 break; 3858 } 3859 case SCTP_CMT_ON_OFF: 3860 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3861 struct sctp_assoc_value *av; 3862 3863 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3864 if (av->assoc_value > SCTP_CMT_MAX) { 3865 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3866 error = EINVAL; 3867 break; 3868 } 3869 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3870 if (stcb) { 3871 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3872 SCTP_TCB_UNLOCK(stcb); 3873 } else { 3874 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3875 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3876 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3877 (av->assoc_id == SCTP_ALL_ASSOC)) { 3878 SCTP_INP_WLOCK(inp); 3879 inp->sctp_cmt_on_off = av->assoc_value; 3880 SCTP_INP_WUNLOCK(inp); 3881 } 3882 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3883 (av->assoc_id == SCTP_ALL_ASSOC)) { 3884 SCTP_INP_RLOCK(inp); 3885 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3886 SCTP_TCB_LOCK(stcb); 3887 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3888 SCTP_TCB_UNLOCK(stcb); 3889 } 3890 SCTP_INP_RUNLOCK(inp); 3891 } 3892 } 3893 } else { 3894 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3895 error = ENOPROTOOPT; 3896 } 3897 break; 3898 case SCTP_PLUGGABLE_CC: 3899 { 3900 struct sctp_assoc_value *av; 3901 struct sctp_nets *net; 3902 3903 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3904 if ((av->assoc_value != SCTP_CC_RFC2581) && 3905 (av->assoc_value != SCTP_CC_HSTCP) && 3906 (av->assoc_value != SCTP_CC_HTCP) && 3907 (av->assoc_value != SCTP_CC_RTCC)) { 3908 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3909 error = EINVAL; 3910 break; 3911 } 3912 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3913 if (stcb) { 3914 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3915 stcb->asoc.congestion_control_module = av->assoc_value; 3916 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3917 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3918 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3919 } 3920 } 3921 SCTP_TCB_UNLOCK(stcb); 3922 } else { 3923 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3924 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3925 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3926 (av->assoc_id == SCTP_ALL_ASSOC)) { 3927 SCTP_INP_WLOCK(inp); 3928 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3929 SCTP_INP_WUNLOCK(inp); 3930 } 3931 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3932 (av->assoc_id == SCTP_ALL_ASSOC)) { 3933 SCTP_INP_RLOCK(inp); 3934 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3935 SCTP_TCB_LOCK(stcb); 3936 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3937 stcb->asoc.congestion_control_module = av->assoc_value; 3938 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3939 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3940 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3941 } 3942 } 3943 SCTP_TCB_UNLOCK(stcb); 3944 } 3945 SCTP_INP_RUNLOCK(inp); 3946 } 3947 } 3948 break; 3949 } 3950 case SCTP_CC_OPTION: 3951 { 3952 struct sctp_cc_option *cc_opt; 3953 3954 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 3955 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 3956 if (stcb == NULL) { 3957 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 3958 SCTP_INP_RLOCK(inp); 3959 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3960 SCTP_TCB_LOCK(stcb); 3961 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 3962 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 3963 } 3964 SCTP_TCB_UNLOCK(stcb); 3965 } 3966 SCTP_INP_RUNLOCK(inp); 3967 } else { 3968 error = EINVAL; 3969 } 3970 } else { 3971 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 3972 error = ENOTSUP; 3973 } else { 3974 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 3975 cc_opt); 3976 } 3977 SCTP_TCB_UNLOCK(stcb); 3978 } 3979 break; 3980 } 3981 case SCTP_PLUGGABLE_SS: 3982 { 3983 struct sctp_assoc_value *av; 3984 3985 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3986 if ((av->assoc_value != SCTP_SS_DEFAULT) && 3987 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 3988 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 3989 (av->assoc_value != SCTP_SS_PRIORITY) && 3990 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 3991 (av->assoc_value != SCTP_SS_FIRST_COME)) { 3992 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3993 error = EINVAL; 3994 break; 3995 } 3996 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3997 if (stcb) { 3998 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 3999 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4000 stcb->asoc.stream_scheduling_module = av->assoc_value; 4001 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4002 SCTP_TCB_UNLOCK(stcb); 4003 } else { 4004 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4005 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4006 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4007 (av->assoc_id == SCTP_ALL_ASSOC)) { 4008 SCTP_INP_WLOCK(inp); 4009 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4010 SCTP_INP_WUNLOCK(inp); 4011 } 4012 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4013 (av->assoc_id == SCTP_ALL_ASSOC)) { 4014 SCTP_INP_RLOCK(inp); 4015 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4016 SCTP_TCB_LOCK(stcb); 4017 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4018 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4019 stcb->asoc.stream_scheduling_module = av->assoc_value; 4020 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4021 SCTP_TCB_UNLOCK(stcb); 4022 } 4023 SCTP_INP_RUNLOCK(inp); 4024 } 4025 } 4026 break; 4027 } 4028 case SCTP_SS_VALUE: 4029 { 4030 struct sctp_stream_value *av; 4031 4032 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4033 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4034 if (stcb) { 4035 if (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4036 av->stream_value) < 0) { 4037 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4038 error = EINVAL; 4039 } 4040 SCTP_TCB_UNLOCK(stcb); 4041 } else { 4042 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 4043 SCTP_INP_RLOCK(inp); 4044 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4045 SCTP_TCB_LOCK(stcb); 4046 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4047 &stcb->asoc, 4048 &stcb->asoc.strmout[av->stream_id], 4049 av->stream_value); 4050 SCTP_TCB_UNLOCK(stcb); 4051 } 4052 SCTP_INP_RUNLOCK(inp); 4053 4054 } else { 4055 /* 4056 * Can't set stream value without 4057 * association 4058 */ 4059 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4060 error = EINVAL; 4061 } 4062 } 4063 break; 4064 } 4065 case SCTP_CLR_STAT_LOG: 4066 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4067 error = EOPNOTSUPP; 4068 break; 4069 case SCTP_CONTEXT: 4070 { 4071 struct sctp_assoc_value *av; 4072 4073 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4074 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4075 4076 if (stcb) { 4077 stcb->asoc.context = av->assoc_value; 4078 SCTP_TCB_UNLOCK(stcb); 4079 } else { 4080 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4081 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4082 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4083 (av->assoc_id == SCTP_ALL_ASSOC)) { 4084 SCTP_INP_WLOCK(inp); 4085 inp->sctp_context = av->assoc_value; 4086 SCTP_INP_WUNLOCK(inp); 4087 } 4088 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4089 (av->assoc_id == SCTP_ALL_ASSOC)) { 4090 SCTP_INP_RLOCK(inp); 4091 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4092 SCTP_TCB_LOCK(stcb); 4093 stcb->asoc.context = av->assoc_value; 4094 SCTP_TCB_UNLOCK(stcb); 4095 } 4096 SCTP_INP_RUNLOCK(inp); 4097 } 4098 } 4099 break; 4100 } 4101 case SCTP_VRF_ID: 4102 { 4103 uint32_t *default_vrfid; 4104 4105 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4106 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4107 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4108 error = EINVAL; 4109 break; 4110 } 4111 inp->def_vrf_id = *default_vrfid; 4112 break; 4113 } 4114 case SCTP_DEL_VRF_ID: 4115 { 4116 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4117 error = EOPNOTSUPP; 4118 break; 4119 } 4120 case SCTP_ADD_VRF_ID: 4121 { 4122 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4123 error = EOPNOTSUPP; 4124 break; 4125 } 4126 case SCTP_DELAYED_SACK: 4127 { 4128 struct sctp_sack_info *sack; 4129 4130 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4131 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4132 if (sack->sack_delay) { 4133 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 4134 sack->sack_delay = SCTP_MAX_SACK_DELAY; 4135 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 4136 sack->sack_delay = TICKS_TO_MSEC(1); 4137 } 4138 } 4139 if (stcb) { 4140 if (sack->sack_delay) { 4141 stcb->asoc.delayed_ack = sack->sack_delay; 4142 } 4143 if (sack->sack_freq) { 4144 stcb->asoc.sack_freq = sack->sack_freq; 4145 } 4146 SCTP_TCB_UNLOCK(stcb); 4147 } else { 4148 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4149 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4150 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4151 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4152 SCTP_INP_WLOCK(inp); 4153 if (sack->sack_delay) { 4154 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 4155 } 4156 if (sack->sack_freq) { 4157 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4158 } 4159 SCTP_INP_WUNLOCK(inp); 4160 } 4161 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4162 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4163 SCTP_INP_RLOCK(inp); 4164 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4165 SCTP_TCB_LOCK(stcb); 4166 if (sack->sack_delay) { 4167 stcb->asoc.delayed_ack = sack->sack_delay; 4168 } 4169 if (sack->sack_freq) { 4170 stcb->asoc.sack_freq = sack->sack_freq; 4171 } 4172 SCTP_TCB_UNLOCK(stcb); 4173 } 4174 SCTP_INP_RUNLOCK(inp); 4175 } 4176 } 4177 break; 4178 } 4179 case SCTP_AUTH_CHUNK: 4180 { 4181 struct sctp_authchunk *sauth; 4182 4183 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4184 4185 SCTP_INP_WLOCK(inp); 4186 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4187 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4188 error = EINVAL; 4189 } 4190 SCTP_INP_WUNLOCK(inp); 4191 break; 4192 } 4193 case SCTP_AUTH_KEY: 4194 { 4195 struct sctp_authkey *sca; 4196 struct sctp_keyhead *shared_keys; 4197 sctp_sharedkey_t *shared_key; 4198 sctp_key_t *key = NULL; 4199 size_t size; 4200 4201 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4202 if (sca->sca_keylength == 0) { 4203 size = optsize - sizeof(struct sctp_authkey); 4204 } else { 4205 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4206 size = sca->sca_keylength; 4207 } else { 4208 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4209 error = EINVAL; 4210 break; 4211 } 4212 } 4213 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4214 4215 if (stcb) { 4216 shared_keys = &stcb->asoc.shared_keys; 4217 /* clear the cached keys for this key id */ 4218 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4219 /* 4220 * create the new shared key and 4221 * insert/replace it 4222 */ 4223 if (size > 0) { 4224 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4225 if (key == NULL) { 4226 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4227 error = ENOMEM; 4228 SCTP_TCB_UNLOCK(stcb); 4229 break; 4230 } 4231 } 4232 shared_key = sctp_alloc_sharedkey(); 4233 if (shared_key == NULL) { 4234 sctp_free_key(key); 4235 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4236 error = ENOMEM; 4237 SCTP_TCB_UNLOCK(stcb); 4238 break; 4239 } 4240 shared_key->key = key; 4241 shared_key->keyid = sca->sca_keynumber; 4242 error = sctp_insert_sharedkey(shared_keys, shared_key); 4243 SCTP_TCB_UNLOCK(stcb); 4244 } else { 4245 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4246 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4247 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4248 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4249 SCTP_INP_WLOCK(inp); 4250 shared_keys = &inp->sctp_ep.shared_keys; 4251 /* 4252 * clear the cached keys on all 4253 * assocs for this key id 4254 */ 4255 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4256 /* 4257 * create the new shared key and 4258 * insert/replace it 4259 */ 4260 if (size > 0) { 4261 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4262 if (key == NULL) { 4263 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4264 error = ENOMEM; 4265 SCTP_INP_WUNLOCK(inp); 4266 break; 4267 } 4268 } 4269 shared_key = sctp_alloc_sharedkey(); 4270 if (shared_key == NULL) { 4271 sctp_free_key(key); 4272 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4273 error = ENOMEM; 4274 SCTP_INP_WUNLOCK(inp); 4275 break; 4276 } 4277 shared_key->key = key; 4278 shared_key->keyid = sca->sca_keynumber; 4279 error = sctp_insert_sharedkey(shared_keys, shared_key); 4280 SCTP_INP_WUNLOCK(inp); 4281 } 4282 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4283 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4284 SCTP_INP_RLOCK(inp); 4285 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4286 SCTP_TCB_LOCK(stcb); 4287 shared_keys = &stcb->asoc.shared_keys; 4288 /* 4289 * clear the cached keys for 4290 * this key id 4291 */ 4292 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4293 /* 4294 * create the new shared key 4295 * and insert/replace it 4296 */ 4297 if (size > 0) { 4298 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4299 if (key == NULL) { 4300 SCTP_TCB_UNLOCK(stcb); 4301 continue; 4302 } 4303 } 4304 shared_key = sctp_alloc_sharedkey(); 4305 if (shared_key == NULL) { 4306 sctp_free_key(key); 4307 SCTP_TCB_UNLOCK(stcb); 4308 continue; 4309 } 4310 shared_key->key = key; 4311 shared_key->keyid = sca->sca_keynumber; 4312 error = sctp_insert_sharedkey(shared_keys, shared_key); 4313 SCTP_TCB_UNLOCK(stcb); 4314 } 4315 SCTP_INP_RUNLOCK(inp); 4316 } 4317 } 4318 break; 4319 } 4320 case SCTP_HMAC_IDENT: 4321 { 4322 struct sctp_hmacalgo *shmac; 4323 sctp_hmaclist_t *hmaclist; 4324 uint16_t hmacid; 4325 uint32_t i; 4326 4327 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4328 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4329 (shmac->shmac_number_of_idents > 0xffff)) { 4330 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4331 error = EINVAL; 4332 break; 4333 } 4334 hmaclist = sctp_alloc_hmaclist((uint16_t) shmac->shmac_number_of_idents); 4335 if (hmaclist == NULL) { 4336 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4337 error = ENOMEM; 4338 break; 4339 } 4340 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4341 hmacid = shmac->shmac_idents[i]; 4342 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4343 /* invalid HMACs were found */ ; 4344 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4345 error = EINVAL; 4346 sctp_free_hmaclist(hmaclist); 4347 goto sctp_set_hmac_done; 4348 } 4349 } 4350 for (i = 0; i < hmaclist->num_algo; i++) { 4351 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4352 /* already in list */ 4353 break; 4354 } 4355 } 4356 if (i == hmaclist->num_algo) { 4357 /* not found in list */ 4358 sctp_free_hmaclist(hmaclist); 4359 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4360 error = EINVAL; 4361 break; 4362 } 4363 /* set it on the endpoint */ 4364 SCTP_INP_WLOCK(inp); 4365 if (inp->sctp_ep.local_hmacs) 4366 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4367 inp->sctp_ep.local_hmacs = hmaclist; 4368 SCTP_INP_WUNLOCK(inp); 4369 sctp_set_hmac_done: 4370 break; 4371 } 4372 case SCTP_AUTH_ACTIVE_KEY: 4373 { 4374 struct sctp_authkeyid *scact; 4375 4376 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4377 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4378 4379 /* set the active key on the right place */ 4380 if (stcb) { 4381 /* set the active key on the assoc */ 4382 if (sctp_auth_setactivekey(stcb, 4383 scact->scact_keynumber)) { 4384 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4385 SCTP_FROM_SCTP_USRREQ, 4386 EINVAL); 4387 error = EINVAL; 4388 } 4389 SCTP_TCB_UNLOCK(stcb); 4390 } else { 4391 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4392 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4393 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4394 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4395 SCTP_INP_WLOCK(inp); 4396 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4397 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4398 error = EINVAL; 4399 } 4400 SCTP_INP_WUNLOCK(inp); 4401 } 4402 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4403 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4404 SCTP_INP_RLOCK(inp); 4405 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4406 SCTP_TCB_LOCK(stcb); 4407 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4408 SCTP_TCB_UNLOCK(stcb); 4409 } 4410 SCTP_INP_RUNLOCK(inp); 4411 } 4412 } 4413 break; 4414 } 4415 case SCTP_AUTH_DELETE_KEY: 4416 { 4417 struct sctp_authkeyid *scdel; 4418 4419 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4420 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4421 4422 /* delete the key from the right place */ 4423 if (stcb) { 4424 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4425 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4426 error = EINVAL; 4427 } 4428 SCTP_TCB_UNLOCK(stcb); 4429 } else { 4430 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4431 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4432 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4433 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4434 SCTP_INP_WLOCK(inp); 4435 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4436 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4437 error = EINVAL; 4438 } 4439 SCTP_INP_WUNLOCK(inp); 4440 } 4441 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4442 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4443 SCTP_INP_RLOCK(inp); 4444 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4445 SCTP_TCB_LOCK(stcb); 4446 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4447 SCTP_TCB_UNLOCK(stcb); 4448 } 4449 SCTP_INP_RUNLOCK(inp); 4450 } 4451 } 4452 break; 4453 } 4454 case SCTP_AUTH_DEACTIVATE_KEY: 4455 { 4456 struct sctp_authkeyid *keyid; 4457 4458 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4459 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4460 4461 /* deactivate the key from the right place */ 4462 if (stcb) { 4463 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4464 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4465 error = EINVAL; 4466 } 4467 SCTP_TCB_UNLOCK(stcb); 4468 } else { 4469 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4470 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4471 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4472 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4473 SCTP_INP_WLOCK(inp); 4474 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4475 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4476 error = EINVAL; 4477 } 4478 SCTP_INP_WUNLOCK(inp); 4479 } 4480 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4481 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4482 SCTP_INP_RLOCK(inp); 4483 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4484 SCTP_TCB_LOCK(stcb); 4485 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4486 SCTP_TCB_UNLOCK(stcb); 4487 } 4488 SCTP_INP_RUNLOCK(inp); 4489 } 4490 } 4491 break; 4492 } 4493 case SCTP_ENABLE_STREAM_RESET: 4494 { 4495 struct sctp_assoc_value *av; 4496 4497 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4498 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4499 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4500 error = EINVAL; 4501 break; 4502 } 4503 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4504 if (stcb) { 4505 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4506 SCTP_TCB_UNLOCK(stcb); 4507 } else { 4508 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4509 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4510 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4511 (av->assoc_id == SCTP_ALL_ASSOC)) { 4512 SCTP_INP_WLOCK(inp); 4513 inp->local_strreset_support = (uint8_t) av->assoc_value; 4514 SCTP_INP_WUNLOCK(inp); 4515 } 4516 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4517 (av->assoc_id == SCTP_ALL_ASSOC)) { 4518 SCTP_INP_RLOCK(inp); 4519 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4520 SCTP_TCB_LOCK(stcb); 4521 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4522 SCTP_TCB_UNLOCK(stcb); 4523 } 4524 SCTP_INP_RUNLOCK(inp); 4525 } 4526 } 4527 break; 4528 } 4529 case SCTP_RESET_STREAMS: 4530 { 4531 struct sctp_reset_streams *strrst; 4532 int i, send_out = 0; 4533 int send_in = 0; 4534 4535 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4536 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4537 if (stcb == NULL) { 4538 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4539 error = ENOENT; 4540 break; 4541 } 4542 if (stcb->asoc.reconfig_supported == 0) { 4543 /* 4544 * Peer does not support the chunk type. 4545 */ 4546 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4547 error = EOPNOTSUPP; 4548 SCTP_TCB_UNLOCK(stcb); 4549 break; 4550 } 4551 if (sizeof(struct sctp_reset_streams) + 4552 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4553 error = EINVAL; 4554 SCTP_TCB_UNLOCK(stcb); 4555 break; 4556 } 4557 if (stcb->asoc.stream_reset_outstanding) { 4558 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4559 error = EALREADY; 4560 SCTP_TCB_UNLOCK(stcb); 4561 break; 4562 } 4563 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4564 send_in = 1; 4565 } 4566 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4567 send_out = 1; 4568 } 4569 if ((send_in == 0) && (send_out == 0)) { 4570 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4571 error = EINVAL; 4572 SCTP_TCB_UNLOCK(stcb); 4573 break; 4574 } 4575 for (i = 0; i < strrst->srs_number_streams; i++) { 4576 if ((send_in) && 4577 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) { 4578 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4579 error = EINVAL; 4580 break; 4581 } 4582 if ((send_out) && 4583 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) { 4584 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4585 error = EINVAL; 4586 break; 4587 } 4588 } 4589 if (error) { 4590 SCTP_TCB_UNLOCK(stcb); 4591 break; 4592 } 4593 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4594 strrst->srs_stream_list, 4595 send_out, send_in, 0, 0, 0, 0, 0); 4596 4597 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4598 SCTP_TCB_UNLOCK(stcb); 4599 break; 4600 } 4601 case SCTP_ADD_STREAMS: 4602 { 4603 struct sctp_add_streams *stradd; 4604 uint8_t addstream = 0; 4605 uint16_t add_o_strmcnt = 0; 4606 uint16_t add_i_strmcnt = 0; 4607 4608 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4609 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4610 if (stcb == NULL) { 4611 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4612 error = ENOENT; 4613 break; 4614 } 4615 if (stcb->asoc.reconfig_supported == 0) { 4616 /* 4617 * Peer does not support the chunk type. 4618 */ 4619 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4620 error = EOPNOTSUPP; 4621 SCTP_TCB_UNLOCK(stcb); 4622 break; 4623 } 4624 if (stcb->asoc.stream_reset_outstanding) { 4625 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4626 error = EALREADY; 4627 SCTP_TCB_UNLOCK(stcb); 4628 break; 4629 } 4630 if ((stradd->sas_outstrms == 0) && 4631 (stradd->sas_instrms == 0)) { 4632 error = EINVAL; 4633 goto skip_stuff; 4634 } 4635 if (stradd->sas_outstrms) { 4636 addstream = 1; 4637 /* We allocate here */ 4638 add_o_strmcnt = stradd->sas_outstrms; 4639 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4640 /* You can't have more than 64k */ 4641 error = EINVAL; 4642 goto skip_stuff; 4643 } 4644 } 4645 if (stradd->sas_instrms) { 4646 int cnt; 4647 4648 addstream |= 2; 4649 /* 4650 * We allocate inside 4651 * sctp_send_str_reset_req() 4652 */ 4653 add_i_strmcnt = stradd->sas_instrms; 4654 cnt = add_i_strmcnt; 4655 cnt += stcb->asoc.streamincnt; 4656 if (cnt > 0x0000ffff) { 4657 /* You can't have more than 64k */ 4658 error = EINVAL; 4659 goto skip_stuff; 4660 } 4661 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4662 /* More than you are allowed */ 4663 error = EINVAL; 4664 goto skip_stuff; 4665 } 4666 } 4667 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4668 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4669 skip_stuff: 4670 SCTP_TCB_UNLOCK(stcb); 4671 break; 4672 } 4673 case SCTP_RESET_ASSOC: 4674 { 4675 uint32_t *value; 4676 4677 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4678 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 4679 if (stcb == NULL) { 4680 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4681 error = ENOENT; 4682 break; 4683 } 4684 if (stcb->asoc.reconfig_supported == 0) { 4685 /* 4686 * Peer does not support the chunk type. 4687 */ 4688 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4689 error = EOPNOTSUPP; 4690 SCTP_TCB_UNLOCK(stcb); 4691 break; 4692 } 4693 if (stcb->asoc.stream_reset_outstanding) { 4694 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4695 error = EALREADY; 4696 SCTP_TCB_UNLOCK(stcb); 4697 break; 4698 } 4699 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, 1, 0, 0, 0, 0); 4700 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4701 SCTP_TCB_UNLOCK(stcb); 4702 break; 4703 } 4704 case SCTP_CONNECT_X: 4705 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4706 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4707 error = EINVAL; 4708 break; 4709 } 4710 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4711 break; 4712 case SCTP_CONNECT_X_DELAYED: 4713 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4714 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4715 error = EINVAL; 4716 break; 4717 } 4718 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4719 break; 4720 case SCTP_CONNECT_X_COMPLETE: 4721 { 4722 struct sockaddr *sa; 4723 4724 /* FIXME MT: check correct? */ 4725 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4726 4727 /* find tcb */ 4728 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4729 SCTP_INP_RLOCK(inp); 4730 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4731 if (stcb) { 4732 SCTP_TCB_LOCK(stcb); 4733 } 4734 SCTP_INP_RUNLOCK(inp); 4735 } else { 4736 /* 4737 * We increment here since 4738 * sctp_findassociation_ep_addr() wil do a 4739 * decrement if it finds the stcb as long as 4740 * the locked tcb (last argument) is NOT a 4741 * TCB.. aka NULL. 4742 */ 4743 SCTP_INP_INCR_REF(inp); 4744 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4745 if (stcb == NULL) { 4746 SCTP_INP_DECR_REF(inp); 4747 } 4748 } 4749 4750 if (stcb == NULL) { 4751 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4752 error = ENOENT; 4753 break; 4754 } 4755 if (stcb->asoc.delayed_connection == 1) { 4756 stcb->asoc.delayed_connection = 0; 4757 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4758 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4759 stcb->asoc.primary_destination, 4760 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 4761 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4762 } else { 4763 /* 4764 * already expired or did not use delayed 4765 * connectx 4766 */ 4767 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4768 error = EALREADY; 4769 } 4770 SCTP_TCB_UNLOCK(stcb); 4771 break; 4772 } 4773 case SCTP_MAX_BURST: 4774 { 4775 struct sctp_assoc_value *av; 4776 4777 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4778 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4779 4780 if (stcb) { 4781 stcb->asoc.max_burst = av->assoc_value; 4782 SCTP_TCB_UNLOCK(stcb); 4783 } else { 4784 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4785 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4786 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4787 (av->assoc_id == SCTP_ALL_ASSOC)) { 4788 SCTP_INP_WLOCK(inp); 4789 inp->sctp_ep.max_burst = av->assoc_value; 4790 SCTP_INP_WUNLOCK(inp); 4791 } 4792 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4793 (av->assoc_id == SCTP_ALL_ASSOC)) { 4794 SCTP_INP_RLOCK(inp); 4795 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4796 SCTP_TCB_LOCK(stcb); 4797 stcb->asoc.max_burst = av->assoc_value; 4798 SCTP_TCB_UNLOCK(stcb); 4799 } 4800 SCTP_INP_RUNLOCK(inp); 4801 } 4802 } 4803 break; 4804 } 4805 case SCTP_MAXSEG: 4806 { 4807 struct sctp_assoc_value *av; 4808 int ovh; 4809 4810 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4811 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4812 4813 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4814 ovh = SCTP_MED_OVERHEAD; 4815 } else { 4816 ovh = SCTP_MED_V4_OVERHEAD; 4817 } 4818 if (stcb) { 4819 if (av->assoc_value) { 4820 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4821 } else { 4822 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4823 } 4824 SCTP_TCB_UNLOCK(stcb); 4825 } else { 4826 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4827 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4828 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4829 SCTP_INP_WLOCK(inp); 4830 /* 4831 * FIXME MT: I think this is not in 4832 * tune with the API ID 4833 */ 4834 if (av->assoc_value) { 4835 inp->sctp_frag_point = (av->assoc_value + ovh); 4836 } else { 4837 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4838 } 4839 SCTP_INP_WUNLOCK(inp); 4840 } else { 4841 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4842 error = EINVAL; 4843 } 4844 } 4845 break; 4846 } 4847 case SCTP_EVENTS: 4848 { 4849 struct sctp_event_subscribe *events; 4850 4851 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 4852 4853 SCTP_INP_WLOCK(inp); 4854 if (events->sctp_data_io_event) { 4855 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4856 } else { 4857 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4858 } 4859 4860 if (events->sctp_association_event) { 4861 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4862 } else { 4863 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4864 } 4865 4866 if (events->sctp_address_event) { 4867 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4868 } else { 4869 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4870 } 4871 4872 if (events->sctp_send_failure_event) { 4873 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4874 } else { 4875 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4876 } 4877 4878 if (events->sctp_peer_error_event) { 4879 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4880 } else { 4881 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 4882 } 4883 4884 if (events->sctp_shutdown_event) { 4885 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4886 } else { 4887 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4888 } 4889 4890 if (events->sctp_partial_delivery_event) { 4891 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4892 } else { 4893 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 4894 } 4895 4896 if (events->sctp_adaptation_layer_event) { 4897 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4898 } else { 4899 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4900 } 4901 4902 if (events->sctp_authentication_event) { 4903 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4904 } else { 4905 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 4906 } 4907 4908 if (events->sctp_sender_dry_event) { 4909 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 4910 } else { 4911 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 4912 } 4913 4914 if (events->sctp_stream_reset_event) { 4915 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4916 } else { 4917 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4918 } 4919 SCTP_INP_WUNLOCK(inp); 4920 4921 SCTP_INP_RLOCK(inp); 4922 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4923 SCTP_TCB_LOCK(stcb); 4924 if (events->sctp_association_event) { 4925 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4926 } else { 4927 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4928 } 4929 if (events->sctp_address_event) { 4930 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4931 } else { 4932 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 4933 } 4934 if (events->sctp_send_failure_event) { 4935 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4936 } else { 4937 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4938 } 4939 if (events->sctp_peer_error_event) { 4940 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4941 } else { 4942 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 4943 } 4944 if (events->sctp_shutdown_event) { 4945 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4946 } else { 4947 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 4948 } 4949 if (events->sctp_partial_delivery_event) { 4950 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4951 } else { 4952 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 4953 } 4954 if (events->sctp_adaptation_layer_event) { 4955 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4956 } else { 4957 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 4958 } 4959 if (events->sctp_authentication_event) { 4960 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4961 } else { 4962 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 4963 } 4964 if (events->sctp_sender_dry_event) { 4965 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4966 } else { 4967 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 4968 } 4969 if (events->sctp_stream_reset_event) { 4970 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4971 } else { 4972 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 4973 } 4974 SCTP_TCB_UNLOCK(stcb); 4975 } 4976 /* 4977 * Send up the sender dry event only for 1-to-1 4978 * style sockets. 4979 */ 4980 if (events->sctp_sender_dry_event) { 4981 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4982 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 4983 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4984 if (stcb) { 4985 SCTP_TCB_LOCK(stcb); 4986 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 4987 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 4988 (stcb->asoc.stream_queue_cnt == 0)) { 4989 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 4990 } 4991 SCTP_TCB_UNLOCK(stcb); 4992 } 4993 } 4994 } 4995 SCTP_INP_RUNLOCK(inp); 4996 break; 4997 } 4998 case SCTP_ADAPTATION_LAYER: 4999 { 5000 struct sctp_setadaptation *adap_bits; 5001 5002 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5003 SCTP_INP_WLOCK(inp); 5004 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5005 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5006 SCTP_INP_WUNLOCK(inp); 5007 break; 5008 } 5009 #ifdef SCTP_DEBUG 5010 case SCTP_SET_INITIAL_DBG_SEQ: 5011 { 5012 uint32_t *vvv; 5013 5014 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5015 SCTP_INP_WLOCK(inp); 5016 inp->sctp_ep.initial_sequence_debug = *vvv; 5017 SCTP_INP_WUNLOCK(inp); 5018 break; 5019 } 5020 #endif 5021 case SCTP_DEFAULT_SEND_PARAM: 5022 { 5023 struct sctp_sndrcvinfo *s_info; 5024 5025 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5026 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5027 5028 if (stcb) { 5029 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5030 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5031 } else { 5032 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5033 error = EINVAL; 5034 } 5035 SCTP_TCB_UNLOCK(stcb); 5036 } else { 5037 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5038 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5039 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5040 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5041 SCTP_INP_WLOCK(inp); 5042 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5043 SCTP_INP_WUNLOCK(inp); 5044 } 5045 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5046 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5047 SCTP_INP_RLOCK(inp); 5048 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5049 SCTP_TCB_LOCK(stcb); 5050 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5051 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5052 } 5053 SCTP_TCB_UNLOCK(stcb); 5054 } 5055 SCTP_INP_RUNLOCK(inp); 5056 } 5057 } 5058 break; 5059 } 5060 case SCTP_PEER_ADDR_PARAMS: 5061 { 5062 struct sctp_paddrparams *paddrp; 5063 struct sctp_nets *net; 5064 struct sockaddr *addr; 5065 5066 #if defined(INET) && defined(INET6) 5067 struct sockaddr_in sin_store; 5068 5069 #endif 5070 5071 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5072 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5073 5074 #if defined(INET) && defined(INET6) 5075 if (paddrp->spp_address.ss_family == AF_INET6) { 5076 struct sockaddr_in6 *sin6; 5077 5078 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5079 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5080 in6_sin6_2_sin(&sin_store, sin6); 5081 addr = (struct sockaddr *)&sin_store; 5082 } else { 5083 addr = (struct sockaddr *)&paddrp->spp_address; 5084 } 5085 } else { 5086 addr = (struct sockaddr *)&paddrp->spp_address; 5087 } 5088 #else 5089 addr = (struct sockaddr *)&paddrp->spp_address; 5090 #endif 5091 if (stcb != NULL) { 5092 net = sctp_findnet(stcb, addr); 5093 } else { 5094 /* 5095 * We increment here since 5096 * sctp_findassociation_ep_addr() wil do a 5097 * decrement if it finds the stcb as long as 5098 * the locked tcb (last argument) is NOT a 5099 * TCB.. aka NULL. 5100 */ 5101 net = NULL; 5102 SCTP_INP_INCR_REF(inp); 5103 stcb = sctp_findassociation_ep_addr(&inp, addr, 5104 &net, NULL, NULL); 5105 if (stcb == NULL) { 5106 SCTP_INP_DECR_REF(inp); 5107 } 5108 } 5109 if ((stcb != NULL) && (net == NULL)) { 5110 #ifdef INET 5111 if (addr->sa_family == AF_INET) { 5112 5113 struct sockaddr_in *sin; 5114 5115 sin = (struct sockaddr_in *)addr; 5116 if (sin->sin_addr.s_addr != INADDR_ANY) { 5117 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5118 SCTP_TCB_UNLOCK(stcb); 5119 error = EINVAL; 5120 break; 5121 } 5122 } else 5123 #endif 5124 #ifdef INET6 5125 if (addr->sa_family == AF_INET6) { 5126 struct sockaddr_in6 *sin6; 5127 5128 sin6 = (struct sockaddr_in6 *)addr; 5129 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5130 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5131 SCTP_TCB_UNLOCK(stcb); 5132 error = EINVAL; 5133 break; 5134 } 5135 } else 5136 #endif 5137 { 5138 error = EAFNOSUPPORT; 5139 SCTP_TCB_UNLOCK(stcb); 5140 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5141 break; 5142 } 5143 } 5144 /* sanity checks */ 5145 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5146 if (stcb) 5147 SCTP_TCB_UNLOCK(stcb); 5148 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5149 return (EINVAL); 5150 } 5151 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5152 if (stcb) 5153 SCTP_TCB_UNLOCK(stcb); 5154 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5155 return (EINVAL); 5156 } 5157 if (stcb != NULL) { 5158 /************************TCB SPECIFIC SET ******************/ 5159 /* 5160 * do we change the timer for HB, we run 5161 * only one? 5162 */ 5163 int ovh = 0; 5164 5165 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5166 ovh = SCTP_MED_OVERHEAD; 5167 } else { 5168 ovh = SCTP_MED_V4_OVERHEAD; 5169 } 5170 5171 /* network sets ? */ 5172 if (net != NULL) { 5173 /************************NET SPECIFIC SET ******************/ 5174 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5175 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5176 !(net->dest_state & SCTP_ADDR_NOHB)) { 5177 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5178 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5179 } 5180 net->dest_state |= SCTP_ADDR_NOHB; 5181 } 5182 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5183 if (paddrp->spp_hbinterval) { 5184 net->heart_beat_delay = paddrp->spp_hbinterval; 5185 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5186 net->heart_beat_delay = 0; 5187 } 5188 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5189 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5190 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5191 net->dest_state &= ~SCTP_ADDR_NOHB; 5192 } 5193 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5194 /* on demand HB */ 5195 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5196 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5197 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5198 } 5199 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5200 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5201 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5202 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5203 } 5204 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5205 net->mtu = paddrp->spp_pathmtu + ovh; 5206 if (net->mtu < stcb->asoc.smallest_mtu) { 5207 sctp_pathmtu_adjustment(stcb, net->mtu); 5208 } 5209 } 5210 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5211 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5212 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5213 } 5214 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5215 } 5216 if (paddrp->spp_pathmaxrxt) { 5217 if (net->dest_state & SCTP_ADDR_PF) { 5218 if (net->error_count > paddrp->spp_pathmaxrxt) { 5219 net->dest_state &= ~SCTP_ADDR_PF; 5220 } 5221 } else { 5222 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5223 (net->error_count > net->pf_threshold)) { 5224 net->dest_state |= SCTP_ADDR_PF; 5225 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5226 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5227 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5228 } 5229 } 5230 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5231 if (net->error_count > paddrp->spp_pathmaxrxt) { 5232 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5233 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5234 } 5235 } else { 5236 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5237 net->dest_state |= SCTP_ADDR_REACHABLE; 5238 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5239 } 5240 } 5241 net->failure_threshold = paddrp->spp_pathmaxrxt; 5242 } 5243 if (paddrp->spp_flags & SPP_DSCP) { 5244 net->dscp = paddrp->spp_dscp & 0xfc; 5245 net->dscp |= 0x01; 5246 } 5247 #ifdef INET6 5248 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5249 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5250 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5251 net->flowlabel |= 0x80000000; 5252 } 5253 } 5254 #endif 5255 } else { 5256 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5257 if (paddrp->spp_pathmaxrxt != 0) { 5258 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5259 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5260 if (net->dest_state & SCTP_ADDR_PF) { 5261 if (net->error_count > paddrp->spp_pathmaxrxt) { 5262 net->dest_state &= ~SCTP_ADDR_PF; 5263 } 5264 } else { 5265 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5266 (net->error_count > net->pf_threshold)) { 5267 net->dest_state |= SCTP_ADDR_PF; 5268 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5269 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 5270 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5271 } 5272 } 5273 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5274 if (net->error_count > paddrp->spp_pathmaxrxt) { 5275 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5276 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5277 } 5278 } else { 5279 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5280 net->dest_state |= SCTP_ADDR_REACHABLE; 5281 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5282 } 5283 } 5284 net->failure_threshold = paddrp->spp_pathmaxrxt; 5285 } 5286 } 5287 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5288 if (paddrp->spp_hbinterval != 0) { 5289 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5290 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5291 stcb->asoc.heart_beat_delay = 0; 5292 } 5293 /* Turn back on the timer */ 5294 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5295 if (paddrp->spp_hbinterval != 0) { 5296 net->heart_beat_delay = paddrp->spp_hbinterval; 5297 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5298 net->heart_beat_delay = 0; 5299 } 5300 if (net->dest_state & SCTP_ADDR_NOHB) { 5301 net->dest_state &= ~SCTP_ADDR_NOHB; 5302 } 5303 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5304 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5305 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5306 } 5307 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5308 } 5309 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5310 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5311 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5312 net->dest_state |= SCTP_ADDR_NOHB; 5313 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5314 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5315 } 5316 } 5317 } 5318 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5319 } 5320 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5321 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5322 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5323 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5324 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5325 } 5326 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5327 net->mtu = paddrp->spp_pathmtu + ovh; 5328 if (net->mtu < stcb->asoc.smallest_mtu) { 5329 sctp_pathmtu_adjustment(stcb, net->mtu); 5330 } 5331 } 5332 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5333 } 5334 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5335 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5336 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5337 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5338 } 5339 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5340 } 5341 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5342 } 5343 if (paddrp->spp_flags & SPP_DSCP) { 5344 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5345 net->dscp = paddrp->spp_dscp & 0xfc; 5346 net->dscp |= 0x01; 5347 } 5348 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5349 stcb->asoc.default_dscp |= 0x01; 5350 } 5351 #ifdef INET6 5352 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5353 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5354 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5355 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5356 net->flowlabel |= 0x80000000; 5357 } 5358 } 5359 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5360 stcb->asoc.default_flowlabel |= 0x80000000; 5361 } 5362 #endif 5363 } 5364 SCTP_TCB_UNLOCK(stcb); 5365 } else { 5366 /************************NO TCB, SET TO default stuff ******************/ 5367 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5368 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5369 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 5370 SCTP_INP_WLOCK(inp); 5371 /* 5372 * For the TOS/FLOWLABEL stuff you 5373 * set it with the options on the 5374 * socket 5375 */ 5376 if (paddrp->spp_pathmaxrxt != 0) { 5377 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5378 } 5379 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5380 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5381 else if (paddrp->spp_hbinterval != 0) { 5382 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5383 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5384 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5385 } 5386 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5387 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5388 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5389 } else if (paddrp->spp_hbinterval) { 5390 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5391 } 5392 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5393 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5394 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5395 } 5396 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5397 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5398 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5399 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5400 } 5401 if (paddrp->spp_flags & SPP_DSCP) { 5402 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5403 inp->sctp_ep.default_dscp |= 0x01; 5404 } 5405 #ifdef INET6 5406 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5407 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5408 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5409 inp->sctp_ep.default_flowlabel |= 0x80000000; 5410 } 5411 } 5412 #endif 5413 SCTP_INP_WUNLOCK(inp); 5414 } else { 5415 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5416 error = EINVAL; 5417 } 5418 } 5419 break; 5420 } 5421 case SCTP_RTOINFO: 5422 { 5423 struct sctp_rtoinfo *srto; 5424 uint32_t new_init, new_min, new_max; 5425 5426 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5427 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5428 5429 if (stcb) { 5430 if (srto->srto_initial) 5431 new_init = srto->srto_initial; 5432 else 5433 new_init = stcb->asoc.initial_rto; 5434 if (srto->srto_max) 5435 new_max = srto->srto_max; 5436 else 5437 new_max = stcb->asoc.maxrto; 5438 if (srto->srto_min) 5439 new_min = srto->srto_min; 5440 else 5441 new_min = stcb->asoc.minrto; 5442 if ((new_min <= new_init) && (new_init <= new_max)) { 5443 stcb->asoc.initial_rto = new_init; 5444 stcb->asoc.maxrto = new_max; 5445 stcb->asoc.minrto = new_min; 5446 } else { 5447 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5448 error = EINVAL; 5449 } 5450 SCTP_TCB_UNLOCK(stcb); 5451 } else { 5452 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5453 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5454 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5455 SCTP_INP_WLOCK(inp); 5456 if (srto->srto_initial) 5457 new_init = srto->srto_initial; 5458 else 5459 new_init = inp->sctp_ep.initial_rto; 5460 if (srto->srto_max) 5461 new_max = srto->srto_max; 5462 else 5463 new_max = inp->sctp_ep.sctp_maxrto; 5464 if (srto->srto_min) 5465 new_min = srto->srto_min; 5466 else 5467 new_min = inp->sctp_ep.sctp_minrto; 5468 if ((new_min <= new_init) && (new_init <= new_max)) { 5469 inp->sctp_ep.initial_rto = new_init; 5470 inp->sctp_ep.sctp_maxrto = new_max; 5471 inp->sctp_ep.sctp_minrto = new_min; 5472 } else { 5473 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5474 error = EINVAL; 5475 } 5476 SCTP_INP_WUNLOCK(inp); 5477 } else { 5478 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5479 error = EINVAL; 5480 } 5481 } 5482 break; 5483 } 5484 case SCTP_ASSOCINFO: 5485 { 5486 struct sctp_assocparams *sasoc; 5487 5488 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5489 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5490 if (sasoc->sasoc_cookie_life) { 5491 /* boundary check the cookie life */ 5492 if (sasoc->sasoc_cookie_life < 1000) 5493 sasoc->sasoc_cookie_life = 1000; 5494 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5495 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5496 } 5497 } 5498 if (stcb) { 5499 if (sasoc->sasoc_asocmaxrxt) 5500 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5501 if (sasoc->sasoc_cookie_life) { 5502 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5503 } 5504 SCTP_TCB_UNLOCK(stcb); 5505 } else { 5506 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5507 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5508 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5509 SCTP_INP_WLOCK(inp); 5510 if (sasoc->sasoc_asocmaxrxt) 5511 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5512 if (sasoc->sasoc_cookie_life) { 5513 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5514 } 5515 SCTP_INP_WUNLOCK(inp); 5516 } else { 5517 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5518 error = EINVAL; 5519 } 5520 } 5521 break; 5522 } 5523 case SCTP_INITMSG: 5524 { 5525 struct sctp_initmsg *sinit; 5526 5527 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5528 SCTP_INP_WLOCK(inp); 5529 if (sinit->sinit_num_ostreams) 5530 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5531 5532 if (sinit->sinit_max_instreams) 5533 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5534 5535 if (sinit->sinit_max_attempts) 5536 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5537 5538 if (sinit->sinit_max_init_timeo) 5539 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5540 SCTP_INP_WUNLOCK(inp); 5541 break; 5542 } 5543 case SCTP_PRIMARY_ADDR: 5544 { 5545 struct sctp_setprim *spa; 5546 struct sctp_nets *net; 5547 struct sockaddr *addr; 5548 5549 #if defined(INET) && defined(INET6) 5550 struct sockaddr_in sin_store; 5551 5552 #endif 5553 5554 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5555 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5556 5557 #if defined(INET) && defined(INET6) 5558 if (spa->ssp_addr.ss_family == AF_INET6) { 5559 struct sockaddr_in6 *sin6; 5560 5561 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5562 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5563 in6_sin6_2_sin(&sin_store, sin6); 5564 addr = (struct sockaddr *)&sin_store; 5565 } else { 5566 addr = (struct sockaddr *)&spa->ssp_addr; 5567 } 5568 } else { 5569 addr = (struct sockaddr *)&spa->ssp_addr; 5570 } 5571 #else 5572 addr = (struct sockaddr *)&spa->ssp_addr; 5573 #endif 5574 if (stcb != NULL) { 5575 net = sctp_findnet(stcb, addr); 5576 } else { 5577 /* 5578 * We increment here since 5579 * sctp_findassociation_ep_addr() wil do a 5580 * decrement if it finds the stcb as long as 5581 * the locked tcb (last argument) is NOT a 5582 * TCB.. aka NULL. 5583 */ 5584 net = NULL; 5585 SCTP_INP_INCR_REF(inp); 5586 stcb = sctp_findassociation_ep_addr(&inp, addr, 5587 &net, NULL, NULL); 5588 if (stcb == NULL) { 5589 SCTP_INP_DECR_REF(inp); 5590 } 5591 } 5592 5593 if ((stcb != NULL) && (net != NULL)) { 5594 if ((net != stcb->asoc.primary_destination) && 5595 (!(net->dest_state & SCTP_ADDR_UNCONFIRMED))) { 5596 /* Ok we need to set it */ 5597 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5598 if ((stcb->asoc.alternate) && 5599 (!(net->dest_state & SCTP_ADDR_PF)) && 5600 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5601 sctp_free_remote_addr(stcb->asoc.alternate); 5602 stcb->asoc.alternate = NULL; 5603 } 5604 } 5605 } 5606 } else { 5607 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5608 error = EINVAL; 5609 } 5610 if (stcb != NULL) { 5611 SCTP_TCB_UNLOCK(stcb); 5612 } 5613 break; 5614 } 5615 case SCTP_SET_DYNAMIC_PRIMARY: 5616 { 5617 union sctp_sockstore *ss; 5618 5619 error = priv_check(curthread, 5620 PRIV_NETINET_RESERVEDPORT); 5621 if (error) 5622 break; 5623 5624 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5625 /* SUPER USER CHECK? */ 5626 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5627 break; 5628 } 5629 case SCTP_SET_PEER_PRIMARY_ADDR: 5630 { 5631 struct sctp_setpeerprim *sspp; 5632 struct sockaddr *addr; 5633 5634 #if defined(INET) && defined(INET6) 5635 struct sockaddr_in sin_store; 5636 5637 #endif 5638 5639 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5640 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5641 if (stcb != NULL) { 5642 struct sctp_ifa *ifa; 5643 5644 #if defined(INET) && defined(INET6) 5645 if (sspp->sspp_addr.ss_family == AF_INET6) { 5646 struct sockaddr_in6 *sin6; 5647 5648 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5649 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5650 in6_sin6_2_sin(&sin_store, sin6); 5651 addr = (struct sockaddr *)&sin_store; 5652 } else { 5653 addr = (struct sockaddr *)&sspp->sspp_addr; 5654 } 5655 } else { 5656 addr = (struct sockaddr *)&sspp->sspp_addr; 5657 } 5658 #else 5659 addr = (struct sockaddr *)&sspp->sspp_addr; 5660 #endif 5661 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5662 if (ifa == NULL) { 5663 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5664 error = EINVAL; 5665 goto out_of_it; 5666 } 5667 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5668 /* 5669 * Must validate the ifa found is in 5670 * our ep 5671 */ 5672 struct sctp_laddr *laddr; 5673 int found = 0; 5674 5675 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5676 if (laddr->ifa == NULL) { 5677 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5678 __FUNCTION__); 5679 continue; 5680 } 5681 if (laddr->ifa == ifa) { 5682 found = 1; 5683 break; 5684 } 5685 } 5686 if (!found) { 5687 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5688 error = EINVAL; 5689 goto out_of_it; 5690 } 5691 } else { 5692 switch (addr->sa_family) { 5693 #ifdef INET 5694 case AF_INET: 5695 { 5696 struct sockaddr_in *sin; 5697 5698 sin = (struct sockaddr_in *)addr; 5699 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5700 &sin->sin_addr) != 0) { 5701 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5702 error = EINVAL; 5703 goto out_of_it; 5704 } 5705 break; 5706 } 5707 #endif 5708 #ifdef INET6 5709 case AF_INET6: 5710 { 5711 struct sockaddr_in6 *sin6; 5712 5713 sin6 = (struct sockaddr_in6 *)addr; 5714 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5715 &sin6->sin6_addr) != 0) { 5716 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5717 error = EINVAL; 5718 goto out_of_it; 5719 } 5720 break; 5721 } 5722 #endif 5723 default: 5724 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5725 error = EINVAL; 5726 goto out_of_it; 5727 } 5728 } 5729 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5730 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5731 error = EINVAL; 5732 } 5733 out_of_it: 5734 SCTP_TCB_UNLOCK(stcb); 5735 } else { 5736 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5737 error = EINVAL; 5738 } 5739 break; 5740 } 5741 case SCTP_BINDX_ADD_ADDR: 5742 { 5743 struct sctp_getaddresses *addrs; 5744 struct thread *td; 5745 5746 td = (struct thread *)p; 5747 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5748 optsize); 5749 #ifdef INET 5750 if (addrs->addr->sa_family == AF_INET) { 5751 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5752 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5753 error = EINVAL; 5754 break; 5755 } 5756 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5757 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5758 break; 5759 } 5760 } else 5761 #endif 5762 #ifdef INET6 5763 if (addrs->addr->sa_family == AF_INET6) { 5764 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5765 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5766 error = EINVAL; 5767 break; 5768 } 5769 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5770 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5771 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5772 break; 5773 } 5774 } else 5775 #endif 5776 { 5777 error = EAFNOSUPPORT; 5778 break; 5779 } 5780 sctp_bindx_add_address(so, inp, addrs->addr, 5781 addrs->sget_assoc_id, vrf_id, 5782 &error, p); 5783 break; 5784 } 5785 case SCTP_BINDX_REM_ADDR: 5786 { 5787 struct sctp_getaddresses *addrs; 5788 struct thread *td; 5789 5790 td = (struct thread *)p; 5791 5792 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5793 #ifdef INET 5794 if (addrs->addr->sa_family == AF_INET) { 5795 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5796 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5797 error = EINVAL; 5798 break; 5799 } 5800 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5801 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5802 break; 5803 } 5804 } else 5805 #endif 5806 #ifdef INET6 5807 if (addrs->addr->sa_family == AF_INET6) { 5808 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5809 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5810 error = EINVAL; 5811 break; 5812 } 5813 if (td != NULL && 5814 (error = prison_local_ip6(td->td_ucred, 5815 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5816 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5817 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5818 break; 5819 } 5820 } else 5821 #endif 5822 { 5823 error = EAFNOSUPPORT; 5824 break; 5825 } 5826 sctp_bindx_delete_address(inp, addrs->addr, 5827 addrs->sget_assoc_id, vrf_id, 5828 &error); 5829 break; 5830 } 5831 case SCTP_EVENT: 5832 { 5833 struct sctp_event *event; 5834 uint32_t event_type; 5835 5836 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 5837 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 5838 switch (event->se_type) { 5839 case SCTP_ASSOC_CHANGE: 5840 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 5841 break; 5842 case SCTP_PEER_ADDR_CHANGE: 5843 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 5844 break; 5845 case SCTP_REMOTE_ERROR: 5846 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 5847 break; 5848 case SCTP_SEND_FAILED: 5849 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 5850 break; 5851 case SCTP_SHUTDOWN_EVENT: 5852 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 5853 break; 5854 case SCTP_ADAPTATION_INDICATION: 5855 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 5856 break; 5857 case SCTP_PARTIAL_DELIVERY_EVENT: 5858 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 5859 break; 5860 case SCTP_AUTHENTICATION_EVENT: 5861 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 5862 break; 5863 case SCTP_STREAM_RESET_EVENT: 5864 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 5865 break; 5866 case SCTP_SENDER_DRY_EVENT: 5867 event_type = SCTP_PCB_FLAGS_DRYEVNT; 5868 break; 5869 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 5870 event_type = 0; 5871 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5872 error = ENOTSUP; 5873 break; 5874 case SCTP_ASSOC_RESET_EVENT: 5875 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 5876 break; 5877 case SCTP_STREAM_CHANGE_EVENT: 5878 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 5879 break; 5880 case SCTP_SEND_FAILED_EVENT: 5881 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 5882 break; 5883 default: 5884 event_type = 0; 5885 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5886 error = EINVAL; 5887 break; 5888 } 5889 if (event_type > 0) { 5890 if (stcb) { 5891 if (event->se_on) { 5892 sctp_stcb_feature_on(inp, stcb, event_type); 5893 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 5894 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5895 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5896 (stcb->asoc.stream_queue_cnt == 0)) { 5897 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5898 } 5899 } 5900 } else { 5901 sctp_stcb_feature_off(inp, stcb, event_type); 5902 } 5903 SCTP_TCB_UNLOCK(stcb); 5904 } else { 5905 /* 5906 * We don't want to send up a storm 5907 * of events, so return an error for 5908 * sender dry events 5909 */ 5910 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 5911 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 5912 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 5913 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 5914 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 5915 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 5916 error = ENOTSUP; 5917 break; 5918 } 5919 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5920 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5921 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 5922 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5923 SCTP_INP_WLOCK(inp); 5924 if (event->se_on) { 5925 sctp_feature_on(inp, event_type); 5926 } else { 5927 sctp_feature_off(inp, event_type); 5928 } 5929 SCTP_INP_WUNLOCK(inp); 5930 } 5931 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 5932 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 5933 SCTP_INP_RLOCK(inp); 5934 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5935 SCTP_TCB_LOCK(stcb); 5936 if (event->se_on) { 5937 sctp_stcb_feature_on(inp, stcb, event_type); 5938 } else { 5939 sctp_stcb_feature_off(inp, stcb, event_type); 5940 } 5941 SCTP_TCB_UNLOCK(stcb); 5942 } 5943 SCTP_INP_RUNLOCK(inp); 5944 } 5945 } 5946 } 5947 break; 5948 } 5949 case SCTP_RECVRCVINFO: 5950 { 5951 int *onoff; 5952 5953 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5954 SCTP_INP_WLOCK(inp); 5955 if (*onoff != 0) { 5956 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5957 } else { 5958 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 5959 } 5960 SCTP_INP_WUNLOCK(inp); 5961 break; 5962 } 5963 case SCTP_RECVNXTINFO: 5964 { 5965 int *onoff; 5966 5967 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 5968 SCTP_INP_WLOCK(inp); 5969 if (*onoff != 0) { 5970 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5971 } else { 5972 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 5973 } 5974 SCTP_INP_WUNLOCK(inp); 5975 break; 5976 } 5977 case SCTP_DEFAULT_SNDINFO: 5978 { 5979 struct sctp_sndinfo *info; 5980 uint16_t policy; 5981 5982 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 5983 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 5984 5985 if (stcb) { 5986 if (info->snd_sid < stcb->asoc.streamoutcnt) { 5987 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 5988 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 5989 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 5990 stcb->asoc.def_send.sinfo_flags |= policy; 5991 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 5992 stcb->asoc.def_send.sinfo_context = info->snd_context; 5993 } else { 5994 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5995 error = EINVAL; 5996 } 5997 SCTP_TCB_UNLOCK(stcb); 5998 } else { 5999 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6000 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6001 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6002 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6003 SCTP_INP_WLOCK(inp); 6004 inp->def_send.sinfo_stream = info->snd_sid; 6005 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6006 inp->def_send.sinfo_flags = info->snd_flags; 6007 inp->def_send.sinfo_flags |= policy; 6008 inp->def_send.sinfo_ppid = info->snd_ppid; 6009 inp->def_send.sinfo_context = info->snd_context; 6010 SCTP_INP_WUNLOCK(inp); 6011 } 6012 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6013 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6014 SCTP_INP_RLOCK(inp); 6015 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6016 SCTP_TCB_LOCK(stcb); 6017 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6018 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6019 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6020 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6021 stcb->asoc.def_send.sinfo_flags |= policy; 6022 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6023 stcb->asoc.def_send.sinfo_context = info->snd_context; 6024 } 6025 SCTP_TCB_UNLOCK(stcb); 6026 } 6027 SCTP_INP_RUNLOCK(inp); 6028 } 6029 } 6030 break; 6031 } 6032 case SCTP_DEFAULT_PRINFO: 6033 { 6034 struct sctp_default_prinfo *info; 6035 6036 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6037 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6038 6039 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6040 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6041 error = EINVAL; 6042 break; 6043 } 6044 if (stcb) { 6045 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6046 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6047 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6048 SCTP_TCB_UNLOCK(stcb); 6049 } else { 6050 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6051 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6052 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6053 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6054 SCTP_INP_WLOCK(inp); 6055 inp->def_send.sinfo_flags &= 0xfff0; 6056 inp->def_send.sinfo_flags |= info->pr_policy; 6057 inp->def_send.sinfo_timetolive = info->pr_value; 6058 SCTP_INP_WUNLOCK(inp); 6059 } 6060 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6061 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6062 SCTP_INP_RLOCK(inp); 6063 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6064 SCTP_TCB_LOCK(stcb); 6065 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6066 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6067 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6068 SCTP_TCB_UNLOCK(stcb); 6069 } 6070 SCTP_INP_RUNLOCK(inp); 6071 } 6072 } 6073 break; 6074 } 6075 case SCTP_PEER_ADDR_THLDS: 6076 /* Applies to the specific association */ 6077 { 6078 struct sctp_paddrthlds *thlds; 6079 struct sctp_nets *net; 6080 struct sockaddr *addr; 6081 6082 #if defined(INET) && defined(INET6) 6083 struct sockaddr_in sin_store; 6084 6085 #endif 6086 6087 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6088 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6089 6090 #if defined(INET) && defined(INET6) 6091 if (thlds->spt_address.ss_family == AF_INET6) { 6092 struct sockaddr_in6 *sin6; 6093 6094 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6095 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6096 in6_sin6_2_sin(&sin_store, sin6); 6097 addr = (struct sockaddr *)&sin_store; 6098 } else { 6099 addr = (struct sockaddr *)&thlds->spt_address; 6100 } 6101 } else { 6102 addr = (struct sockaddr *)&thlds->spt_address; 6103 } 6104 #else 6105 addr = (struct sockaddr *)&thlds->spt_address; 6106 #endif 6107 if (stcb != NULL) { 6108 net = sctp_findnet(stcb, addr); 6109 } else { 6110 /* 6111 * We increment here since 6112 * sctp_findassociation_ep_addr() wil do a 6113 * decrement if it finds the stcb as long as 6114 * the locked tcb (last argument) is NOT a 6115 * TCB.. aka NULL. 6116 */ 6117 net = NULL; 6118 SCTP_INP_INCR_REF(inp); 6119 stcb = sctp_findassociation_ep_addr(&inp, addr, 6120 &net, NULL, NULL); 6121 if (stcb == NULL) { 6122 SCTP_INP_DECR_REF(inp); 6123 } 6124 } 6125 if ((stcb != NULL) && (net == NULL)) { 6126 #ifdef INET 6127 if (addr->sa_family == AF_INET) { 6128 6129 struct sockaddr_in *sin; 6130 6131 sin = (struct sockaddr_in *)addr; 6132 if (sin->sin_addr.s_addr != INADDR_ANY) { 6133 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6134 SCTP_TCB_UNLOCK(stcb); 6135 error = EINVAL; 6136 break; 6137 } 6138 } else 6139 #endif 6140 #ifdef INET6 6141 if (addr->sa_family == AF_INET6) { 6142 struct sockaddr_in6 *sin6; 6143 6144 sin6 = (struct sockaddr_in6 *)addr; 6145 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6146 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6147 SCTP_TCB_UNLOCK(stcb); 6148 error = EINVAL; 6149 break; 6150 } 6151 } else 6152 #endif 6153 { 6154 error = EAFNOSUPPORT; 6155 SCTP_TCB_UNLOCK(stcb); 6156 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6157 break; 6158 } 6159 } 6160 if (stcb != NULL) { 6161 if (net != NULL) { 6162 if (net->dest_state & SCTP_ADDR_PF) { 6163 if ((net->failure_threshold > thlds->spt_pathmaxrxt) || 6164 (net->failure_threshold <= thlds->spt_pathpfthld)) { 6165 net->dest_state &= ~SCTP_ADDR_PF; 6166 } 6167 } else { 6168 if ((net->failure_threshold > thlds->spt_pathpfthld) && 6169 (net->failure_threshold <= thlds->spt_pathmaxrxt)) { 6170 net->dest_state |= SCTP_ADDR_PF; 6171 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6172 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 6173 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6174 } 6175 } 6176 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6177 if (net->failure_threshold > thlds->spt_pathmaxrxt) { 6178 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6179 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6180 } 6181 } else { 6182 if (net->failure_threshold <= thlds->spt_pathmaxrxt) { 6183 net->dest_state |= SCTP_ADDR_REACHABLE; 6184 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6185 } 6186 } 6187 net->failure_threshold = thlds->spt_pathmaxrxt; 6188 net->pf_threshold = thlds->spt_pathpfthld; 6189 } else { 6190 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6191 if (net->dest_state & SCTP_ADDR_PF) { 6192 if ((net->failure_threshold > thlds->spt_pathmaxrxt) || 6193 (net->failure_threshold <= thlds->spt_pathpfthld)) { 6194 net->dest_state &= ~SCTP_ADDR_PF; 6195 } 6196 } else { 6197 if ((net->failure_threshold > thlds->spt_pathpfthld) && 6198 (net->failure_threshold <= thlds->spt_pathmaxrxt)) { 6199 net->dest_state |= SCTP_ADDR_PF; 6200 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6201 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3); 6202 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6203 } 6204 } 6205 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6206 if (net->failure_threshold > thlds->spt_pathmaxrxt) { 6207 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6208 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6209 } 6210 } else { 6211 if (net->failure_threshold <= thlds->spt_pathmaxrxt) { 6212 net->dest_state |= SCTP_ADDR_REACHABLE; 6213 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6214 } 6215 } 6216 net->failure_threshold = thlds->spt_pathmaxrxt; 6217 net->pf_threshold = thlds->spt_pathpfthld; 6218 } 6219 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6220 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6221 } 6222 } else { 6223 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6224 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6225 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 6226 SCTP_INP_WLOCK(inp); 6227 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6228 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6229 SCTP_INP_WUNLOCK(inp); 6230 } else { 6231 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6232 error = EINVAL; 6233 } 6234 } 6235 break; 6236 } 6237 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6238 { 6239 struct sctp_udpencaps *encaps; 6240 struct sctp_nets *net; 6241 struct sockaddr *addr; 6242 6243 #if defined(INET) && defined(INET6) 6244 struct sockaddr_in sin_store; 6245 6246 #endif 6247 6248 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6249 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6250 6251 #if defined(INET) && defined(INET6) 6252 if (encaps->sue_address.ss_family == AF_INET6) { 6253 struct sockaddr_in6 *sin6; 6254 6255 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6256 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6257 in6_sin6_2_sin(&sin_store, sin6); 6258 addr = (struct sockaddr *)&sin_store; 6259 } else { 6260 addr = (struct sockaddr *)&encaps->sue_address; 6261 } 6262 } else { 6263 addr = (struct sockaddr *)&encaps->sue_address; 6264 } 6265 #else 6266 addr = (struct sockaddr *)&encaps->sue_address; 6267 #endif 6268 if (stcb != NULL) { 6269 net = sctp_findnet(stcb, addr); 6270 } else { 6271 /* 6272 * We increment here since 6273 * sctp_findassociation_ep_addr() wil do a 6274 * decrement if it finds the stcb as long as 6275 * the locked tcb (last argument) is NOT a 6276 * TCB.. aka NULL. 6277 */ 6278 net = NULL; 6279 SCTP_INP_INCR_REF(inp); 6280 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6281 if (stcb == NULL) { 6282 SCTP_INP_DECR_REF(inp); 6283 } 6284 } 6285 if ((stcb != NULL) && (net == NULL)) { 6286 #ifdef INET 6287 if (addr->sa_family == AF_INET) { 6288 6289 struct sockaddr_in *sin; 6290 6291 sin = (struct sockaddr_in *)addr; 6292 if (sin->sin_addr.s_addr != INADDR_ANY) { 6293 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6294 SCTP_TCB_UNLOCK(stcb); 6295 error = EINVAL; 6296 break; 6297 } 6298 } else 6299 #endif 6300 #ifdef INET6 6301 if (addr->sa_family == AF_INET6) { 6302 struct sockaddr_in6 *sin6; 6303 6304 sin6 = (struct sockaddr_in6 *)addr; 6305 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6306 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6307 SCTP_TCB_UNLOCK(stcb); 6308 error = EINVAL; 6309 break; 6310 } 6311 } else 6312 #endif 6313 { 6314 error = EAFNOSUPPORT; 6315 SCTP_TCB_UNLOCK(stcb); 6316 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6317 break; 6318 } 6319 } 6320 if (stcb != NULL) { 6321 if (net != NULL) { 6322 net->port = encaps->sue_port; 6323 } else { 6324 stcb->asoc.port = encaps->sue_port; 6325 } 6326 SCTP_TCB_UNLOCK(stcb); 6327 } else { 6328 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6329 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6330 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 6331 SCTP_INP_WLOCK(inp); 6332 inp->sctp_ep.port = encaps->sue_port; 6333 SCTP_INP_WUNLOCK(inp); 6334 } else { 6335 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6336 error = EINVAL; 6337 } 6338 } 6339 break; 6340 } 6341 case SCTP_ECN_SUPPORTED: 6342 { 6343 struct sctp_assoc_value *av; 6344 6345 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6346 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6347 6348 if (stcb) { 6349 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6350 error = EINVAL; 6351 SCTP_TCB_UNLOCK(stcb); 6352 } else { 6353 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6354 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6355 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6356 SCTP_INP_WLOCK(inp); 6357 if (av->assoc_value == 0) { 6358 inp->ecn_supported = 0; 6359 } else { 6360 inp->ecn_supported = 1; 6361 } 6362 SCTP_INP_WUNLOCK(inp); 6363 } else { 6364 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6365 error = EINVAL; 6366 } 6367 } 6368 break; 6369 } 6370 case SCTP_PR_SUPPORTED: 6371 { 6372 struct sctp_assoc_value *av; 6373 6374 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6375 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6376 6377 if (stcb) { 6378 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6379 error = EINVAL; 6380 SCTP_TCB_UNLOCK(stcb); 6381 } else { 6382 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6383 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6384 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6385 SCTP_INP_WLOCK(inp); 6386 if (av->assoc_value == 0) { 6387 inp->prsctp_supported = 0; 6388 } else { 6389 inp->prsctp_supported = 1; 6390 } 6391 SCTP_INP_WUNLOCK(inp); 6392 } else { 6393 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6394 error = EINVAL; 6395 } 6396 } 6397 break; 6398 } 6399 case SCTP_AUTH_SUPPORTED: 6400 { 6401 struct sctp_assoc_value *av; 6402 6403 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6404 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6405 6406 if (stcb) { 6407 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6408 error = EINVAL; 6409 SCTP_TCB_UNLOCK(stcb); 6410 } else { 6411 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6412 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6413 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6414 if ((av->assoc_value == 0) && 6415 (inp->asconf_supported == 1)) { 6416 /* 6417 * AUTH is required for 6418 * ASCONF 6419 */ 6420 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6421 error = EINVAL; 6422 } else { 6423 SCTP_INP_WLOCK(inp); 6424 if (av->assoc_value == 0) { 6425 inp->auth_supported = 0; 6426 } else { 6427 inp->auth_supported = 1; 6428 } 6429 SCTP_INP_WUNLOCK(inp); 6430 } 6431 } else { 6432 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6433 error = EINVAL; 6434 } 6435 } 6436 break; 6437 } 6438 case SCTP_ASCONF_SUPPORTED: 6439 { 6440 struct sctp_assoc_value *av; 6441 6442 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6443 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6444 6445 if (stcb) { 6446 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6447 error = EINVAL; 6448 SCTP_TCB_UNLOCK(stcb); 6449 } else { 6450 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6451 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6452 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6453 if ((av->assoc_value != 0) && 6454 (inp->auth_supported == 0)) { 6455 /* 6456 * AUTH is required for 6457 * ASCONF 6458 */ 6459 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6460 error = EINVAL; 6461 } else { 6462 SCTP_INP_WLOCK(inp); 6463 if (av->assoc_value == 0) { 6464 inp->asconf_supported = 0; 6465 sctp_auth_delete_chunk(SCTP_ASCONF, 6466 inp->sctp_ep.local_auth_chunks); 6467 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6468 inp->sctp_ep.local_auth_chunks); 6469 } else { 6470 inp->asconf_supported = 1; 6471 sctp_auth_add_chunk(SCTP_ASCONF, 6472 inp->sctp_ep.local_auth_chunks); 6473 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6474 inp->sctp_ep.local_auth_chunks); 6475 } 6476 SCTP_INP_WUNLOCK(inp); 6477 } 6478 } else { 6479 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6480 error = EINVAL; 6481 } 6482 } 6483 break; 6484 } 6485 case SCTP_RECONFIG_SUPPORTED: 6486 { 6487 struct sctp_assoc_value *av; 6488 6489 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6490 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6491 6492 if (stcb) { 6493 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6494 error = EINVAL; 6495 SCTP_TCB_UNLOCK(stcb); 6496 } else { 6497 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6498 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6499 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6500 SCTP_INP_WLOCK(inp); 6501 if (av->assoc_value == 0) { 6502 inp->reconfig_supported = 0; 6503 } else { 6504 inp->reconfig_supported = 1; 6505 } 6506 SCTP_INP_WUNLOCK(inp); 6507 } else { 6508 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6509 error = EINVAL; 6510 } 6511 } 6512 break; 6513 } 6514 case SCTP_NRSACK_SUPPORTED: 6515 { 6516 struct sctp_assoc_value *av; 6517 6518 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6519 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6520 6521 if (stcb) { 6522 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6523 error = EINVAL; 6524 SCTP_TCB_UNLOCK(stcb); 6525 } else { 6526 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6527 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6528 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6529 SCTP_INP_WLOCK(inp); 6530 if (av->assoc_value == 0) { 6531 inp->nrsack_supported = 0; 6532 } else { 6533 inp->nrsack_supported = 1; 6534 } 6535 SCTP_INP_WUNLOCK(inp); 6536 } else { 6537 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6538 error = EINVAL; 6539 } 6540 } 6541 break; 6542 } 6543 case SCTP_PKTDROP_SUPPORTED: 6544 { 6545 struct sctp_assoc_value *av; 6546 6547 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6548 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6549 6550 if (stcb) { 6551 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6552 error = EINVAL; 6553 SCTP_TCB_UNLOCK(stcb); 6554 } else { 6555 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6556 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6557 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6558 SCTP_INP_WLOCK(inp); 6559 if (av->assoc_value == 0) { 6560 inp->pktdrop_supported = 0; 6561 } else { 6562 inp->pktdrop_supported = 1; 6563 } 6564 SCTP_INP_WUNLOCK(inp); 6565 } else { 6566 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6567 error = EINVAL; 6568 } 6569 } 6570 break; 6571 } 6572 default: 6573 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6574 error = ENOPROTOOPT; 6575 break; 6576 } /* end switch (opt) */ 6577 return (error); 6578 } 6579 6580 int 6581 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6582 { 6583 void *optval = NULL; 6584 size_t optsize = 0; 6585 void *p; 6586 int error = 0; 6587 6588 if (sopt->sopt_level != IPPROTO_SCTP) { 6589 /* wrong proto level... send back up to IP */ 6590 #ifdef INET6 6591 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6592 error = ip6_ctloutput(so, sopt); 6593 #endif /* INET6 */ 6594 #if defined(INET) && defined(INET6) 6595 else 6596 #endif 6597 #ifdef INET 6598 error = ip_ctloutput(so, sopt); 6599 #endif 6600 return (error); 6601 } 6602 optsize = sopt->sopt_valsize; 6603 if (optsize) { 6604 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6605 if (optval == NULL) { 6606 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6607 return (ENOBUFS); 6608 } 6609 error = sooptcopyin(sopt, optval, optsize, optsize); 6610 if (error) { 6611 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6612 goto out; 6613 } 6614 } 6615 p = (void *)sopt->sopt_td; 6616 if (sopt->sopt_dir == SOPT_SET) { 6617 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6618 } else if (sopt->sopt_dir == SOPT_GET) { 6619 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6620 } else { 6621 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6622 error = EINVAL; 6623 } 6624 if ((error == 0) && (optval != NULL)) { 6625 error = sooptcopyout(sopt, optval, optsize); 6626 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6627 } else if (optval != NULL) { 6628 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6629 } 6630 out: 6631 return (error); 6632 } 6633 6634 #ifdef INET 6635 static int 6636 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6637 { 6638 int error = 0; 6639 int create_lock_on = 0; 6640 uint32_t vrf_id; 6641 struct sctp_inpcb *inp; 6642 struct sctp_tcb *stcb = NULL; 6643 6644 inp = (struct sctp_inpcb *)so->so_pcb; 6645 if (inp == NULL) { 6646 /* I made the same as TCP since we are not setup? */ 6647 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6648 return (ECONNRESET); 6649 } 6650 if (addr == NULL) { 6651 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6652 return EINVAL; 6653 } 6654 switch (addr->sa_family) { 6655 #ifdef INET6 6656 case AF_INET6: 6657 { 6658 struct sockaddr_in6 *sin6p; 6659 6660 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6661 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6662 return (EINVAL); 6663 } 6664 sin6p = (struct sockaddr_in6 *)addr; 6665 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 6666 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6667 return (error); 6668 } 6669 break; 6670 } 6671 #endif 6672 #ifdef INET 6673 case AF_INET: 6674 { 6675 struct sockaddr_in *sinp; 6676 6677 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6678 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6679 return (EINVAL); 6680 } 6681 sinp = (struct sockaddr_in *)addr; 6682 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 6683 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6684 return (error); 6685 } 6686 break; 6687 } 6688 #endif 6689 default: 6690 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 6691 return (EAFNOSUPPORT); 6692 } 6693 SCTP_INP_INCR_REF(inp); 6694 SCTP_ASOC_CREATE_LOCK(inp); 6695 create_lock_on = 1; 6696 6697 6698 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 6699 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 6700 /* Should I really unlock ? */ 6701 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 6702 error = EFAULT; 6703 goto out_now; 6704 } 6705 #ifdef INET6 6706 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 6707 (addr->sa_family == AF_INET6)) { 6708 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6709 error = EINVAL; 6710 goto out_now; 6711 } 6712 #endif 6713 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 6714 SCTP_PCB_FLAGS_UNBOUND) { 6715 /* Bind a ephemeral port */ 6716 error = sctp_inpcb_bind(so, NULL, NULL, p); 6717 if (error) { 6718 goto out_now; 6719 } 6720 } 6721 /* Now do we connect? */ 6722 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 6723 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 6724 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6725 error = EINVAL; 6726 goto out_now; 6727 } 6728 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6729 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6730 /* We are already connected AND the TCP model */ 6731 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6732 error = EADDRINUSE; 6733 goto out_now; 6734 } 6735 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6736 SCTP_INP_RLOCK(inp); 6737 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6738 SCTP_INP_RUNLOCK(inp); 6739 } else { 6740 /* 6741 * We increment here since sctp_findassociation_ep_addr() 6742 * will do a decrement if it finds the stcb as long as the 6743 * locked tcb (last argument) is NOT a TCB.. aka NULL. 6744 */ 6745 SCTP_INP_INCR_REF(inp); 6746 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 6747 if (stcb == NULL) { 6748 SCTP_INP_DECR_REF(inp); 6749 } else { 6750 SCTP_TCB_UNLOCK(stcb); 6751 } 6752 } 6753 if (stcb != NULL) { 6754 /* Already have or am bring up an association */ 6755 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 6756 error = EALREADY; 6757 goto out_now; 6758 } 6759 vrf_id = inp->def_vrf_id; 6760 /* We are GOOD to go */ 6761 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, p); 6762 if (stcb == NULL) { 6763 /* Gak! no memory */ 6764 goto out_now; 6765 } 6766 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 6767 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 6768 /* Set the connected flag so we can queue data */ 6769 soisconnecting(so); 6770 } 6771 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 6772 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 6773 6774 /* initialize authentication parameters for the assoc */ 6775 sctp_initialize_auth_params(inp, stcb); 6776 6777 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 6778 SCTP_TCB_UNLOCK(stcb); 6779 out_now: 6780 if (create_lock_on) { 6781 SCTP_ASOC_CREATE_UNLOCK(inp); 6782 } 6783 SCTP_INP_DECR_REF(inp); 6784 return (error); 6785 } 6786 6787 #endif 6788 6789 int 6790 sctp_listen(struct socket *so, int backlog, struct thread *p) 6791 { 6792 /* 6793 * Note this module depends on the protocol processing being called 6794 * AFTER any socket level flags and backlog are applied to the 6795 * socket. The traditional way that the socket flags are applied is 6796 * AFTER protocol processing. We have made a change to the 6797 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 6798 * place if the socket API for SCTP is to work properly. 6799 */ 6800 6801 int error = 0; 6802 struct sctp_inpcb *inp; 6803 6804 inp = (struct sctp_inpcb *)so->so_pcb; 6805 if (inp == NULL) { 6806 /* I made the same as TCP since we are not setup? */ 6807 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6808 return (ECONNRESET); 6809 } 6810 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 6811 /* See if we have a listener */ 6812 struct sctp_inpcb *tinp; 6813 union sctp_sockstore store; 6814 6815 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 6816 /* not bound all */ 6817 struct sctp_laddr *laddr; 6818 6819 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 6820 memcpy(&store, &laddr->ifa->address, sizeof(store)); 6821 switch (store.sa.sa_family) { 6822 #ifdef INET 6823 case AF_INET: 6824 store.sin.sin_port = inp->sctp_lport; 6825 break; 6826 #endif 6827 #ifdef INET6 6828 case AF_INET6: 6829 store.sin6.sin6_port = inp->sctp_lport; 6830 break; 6831 #endif 6832 default: 6833 break; 6834 } 6835 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 6836 if (tinp && (tinp != inp) && 6837 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6838 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6839 (tinp->sctp_socket->so_qlimit)) { 6840 /* 6841 * we have a listener already and 6842 * its not this inp. 6843 */ 6844 SCTP_INP_DECR_REF(tinp); 6845 return (EADDRINUSE); 6846 } else if (tinp) { 6847 SCTP_INP_DECR_REF(tinp); 6848 } 6849 } 6850 } else { 6851 /* Setup a local addr bound all */ 6852 memset(&store, 0, sizeof(store)); 6853 #ifdef INET6 6854 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 6855 store.sa.sa_family = AF_INET6; 6856 store.sa.sa_len = sizeof(struct sockaddr_in6); 6857 } 6858 #endif 6859 #ifdef INET 6860 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 6861 store.sa.sa_family = AF_INET; 6862 store.sa.sa_len = sizeof(struct sockaddr_in); 6863 } 6864 #endif 6865 switch (store.sa.sa_family) { 6866 #ifdef INET 6867 case AF_INET: 6868 store.sin.sin_port = inp->sctp_lport; 6869 break; 6870 #endif 6871 #ifdef INET6 6872 case AF_INET6: 6873 store.sin6.sin6_port = inp->sctp_lport; 6874 break; 6875 #endif 6876 default: 6877 break; 6878 } 6879 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 6880 if (tinp && (tinp != inp) && 6881 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 6882 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 6883 (tinp->sctp_socket->so_qlimit)) { 6884 /* 6885 * we have a listener already and its not 6886 * this inp. 6887 */ 6888 SCTP_INP_DECR_REF(tinp); 6889 return (EADDRINUSE); 6890 } else if (tinp) { 6891 SCTP_INP_DECR_REF(inp); 6892 } 6893 } 6894 } 6895 SCTP_INP_RLOCK(inp); 6896 #ifdef SCTP_LOCK_LOGGING 6897 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 6898 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 6899 } 6900 #endif 6901 SOCK_LOCK(so); 6902 error = solisten_proto_check(so); 6903 if (error) { 6904 SOCK_UNLOCK(so); 6905 SCTP_INP_RUNLOCK(inp); 6906 return (error); 6907 } 6908 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 6909 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 6910 /* 6911 * The unlucky case - We are in the tcp pool with this guy. 6912 * - Someone else is in the main inp slot. - We must move 6913 * this guy (the listener) to the main slot - We must then 6914 * move the guy that was listener to the TCP Pool. 6915 */ 6916 if (sctp_swap_inpcb_for_listen(inp)) { 6917 goto in_use; 6918 } 6919 } 6920 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6921 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6922 /* We are already connected AND the TCP model */ 6923 in_use: 6924 SCTP_INP_RUNLOCK(inp); 6925 SOCK_UNLOCK(so); 6926 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6927 return (EADDRINUSE); 6928 } 6929 SCTP_INP_RUNLOCK(inp); 6930 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 6931 /* We must do a bind. */ 6932 SOCK_UNLOCK(so); 6933 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 6934 /* bind error, probably perm */ 6935 return (error); 6936 } 6937 SOCK_LOCK(so); 6938 } 6939 /* It appears for 7.0 and on, we must always call this. */ 6940 solisten_proto(so, backlog); 6941 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 6942 /* remove the ACCEPTCONN flag for one-to-many sockets */ 6943 so->so_options &= ~SO_ACCEPTCONN; 6944 } 6945 if (backlog == 0) { 6946 /* turning off listen */ 6947 so->so_options &= ~SO_ACCEPTCONN; 6948 } 6949 SOCK_UNLOCK(so); 6950 return (error); 6951 } 6952 6953 static int sctp_defered_wakeup_cnt = 0; 6954 6955 int 6956 sctp_accept(struct socket *so, struct sockaddr **addr) 6957 { 6958 struct sctp_tcb *stcb; 6959 struct sctp_inpcb *inp; 6960 union sctp_sockstore store; 6961 6962 #ifdef INET6 6963 int error; 6964 6965 #endif 6966 inp = (struct sctp_inpcb *)so->so_pcb; 6967 6968 if (inp == NULL) { 6969 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6970 return (ECONNRESET); 6971 } 6972 SCTP_INP_RLOCK(inp); 6973 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 6974 SCTP_INP_RUNLOCK(inp); 6975 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 6976 return (EOPNOTSUPP); 6977 } 6978 if (so->so_state & SS_ISDISCONNECTED) { 6979 SCTP_INP_RUNLOCK(inp); 6980 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 6981 return (ECONNABORTED); 6982 } 6983 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6984 if (stcb == NULL) { 6985 SCTP_INP_RUNLOCK(inp); 6986 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6987 return (ECONNRESET); 6988 } 6989 SCTP_TCB_LOCK(stcb); 6990 SCTP_INP_RUNLOCK(inp); 6991 store = stcb->asoc.primary_destination->ro._l_addr; 6992 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 6993 SCTP_TCB_UNLOCK(stcb); 6994 switch (store.sa.sa_family) { 6995 #ifdef INET 6996 case AF_INET: 6997 { 6998 struct sockaddr_in *sin; 6999 7000 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7001 if (sin == NULL) 7002 return (ENOMEM); 7003 sin->sin_family = AF_INET; 7004 sin->sin_len = sizeof(*sin); 7005 sin->sin_port = store.sin.sin_port; 7006 sin->sin_addr = store.sin.sin_addr; 7007 *addr = (struct sockaddr *)sin; 7008 break; 7009 } 7010 #endif 7011 #ifdef INET6 7012 case AF_INET6: 7013 { 7014 struct sockaddr_in6 *sin6; 7015 7016 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7017 if (sin6 == NULL) 7018 return (ENOMEM); 7019 sin6->sin6_family = AF_INET6; 7020 sin6->sin6_len = sizeof(*sin6); 7021 sin6->sin6_port = store.sin6.sin6_port; 7022 sin6->sin6_addr = store.sin6.sin6_addr; 7023 if ((error = sa6_recoverscope(sin6)) != 0) { 7024 SCTP_FREE_SONAME(sin6); 7025 return (error); 7026 } 7027 *addr = (struct sockaddr *)sin6; 7028 break; 7029 } 7030 #endif 7031 default: 7032 /* TSNH */ 7033 break; 7034 } 7035 /* Wake any delayed sleep action */ 7036 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7037 SCTP_INP_WLOCK(inp); 7038 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7039 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7040 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7041 SCTP_INP_WUNLOCK(inp); 7042 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7043 if (sowriteable(inp->sctp_socket)) { 7044 sowwakeup_locked(inp->sctp_socket); 7045 } else { 7046 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7047 } 7048 SCTP_INP_WLOCK(inp); 7049 } 7050 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7051 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7052 SCTP_INP_WUNLOCK(inp); 7053 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7054 if (soreadable(inp->sctp_socket)) { 7055 sctp_defered_wakeup_cnt++; 7056 sorwakeup_locked(inp->sctp_socket); 7057 } else { 7058 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7059 } 7060 SCTP_INP_WLOCK(inp); 7061 } 7062 SCTP_INP_WUNLOCK(inp); 7063 } 7064 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7065 SCTP_TCB_LOCK(stcb); 7066 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 7067 } 7068 return (0); 7069 } 7070 7071 #ifdef INET 7072 int 7073 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7074 { 7075 struct sockaddr_in *sin; 7076 uint32_t vrf_id; 7077 struct sctp_inpcb *inp; 7078 struct sctp_ifa *sctp_ifa; 7079 7080 /* 7081 * Do the malloc first in case it blocks. 7082 */ 7083 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7084 if (sin == NULL) 7085 return (ENOMEM); 7086 sin->sin_family = AF_INET; 7087 sin->sin_len = sizeof(*sin); 7088 inp = (struct sctp_inpcb *)so->so_pcb; 7089 if (!inp) { 7090 SCTP_FREE_SONAME(sin); 7091 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7092 return (ECONNRESET); 7093 } 7094 SCTP_INP_RLOCK(inp); 7095 sin->sin_port = inp->sctp_lport; 7096 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7097 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7098 struct sctp_tcb *stcb; 7099 struct sockaddr_in *sin_a; 7100 struct sctp_nets *net; 7101 int fnd; 7102 7103 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7104 if (stcb == NULL) { 7105 goto notConn; 7106 } 7107 fnd = 0; 7108 sin_a = NULL; 7109 SCTP_TCB_LOCK(stcb); 7110 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7111 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7112 if (sin_a == NULL) 7113 /* this will make coverity happy */ 7114 continue; 7115 7116 if (sin_a->sin_family == AF_INET) { 7117 fnd = 1; 7118 break; 7119 } 7120 } 7121 if ((!fnd) || (sin_a == NULL)) { 7122 /* punt */ 7123 SCTP_TCB_UNLOCK(stcb); 7124 goto notConn; 7125 } 7126 vrf_id = inp->def_vrf_id; 7127 sctp_ifa = sctp_source_address_selection(inp, 7128 stcb, 7129 (sctp_route_t *) & net->ro, 7130 net, 0, vrf_id); 7131 if (sctp_ifa) { 7132 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7133 sctp_free_ifa(sctp_ifa); 7134 } 7135 SCTP_TCB_UNLOCK(stcb); 7136 } else { 7137 /* For the bound all case you get back 0 */ 7138 notConn: 7139 sin->sin_addr.s_addr = 0; 7140 } 7141 7142 } else { 7143 /* Take the first IPv4 address in the list */ 7144 struct sctp_laddr *laddr; 7145 int fnd = 0; 7146 7147 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7148 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7149 struct sockaddr_in *sin_a; 7150 7151 sin_a = &laddr->ifa->address.sin; 7152 sin->sin_addr = sin_a->sin_addr; 7153 fnd = 1; 7154 break; 7155 } 7156 } 7157 if (!fnd) { 7158 SCTP_FREE_SONAME(sin); 7159 SCTP_INP_RUNLOCK(inp); 7160 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7161 return (ENOENT); 7162 } 7163 } 7164 SCTP_INP_RUNLOCK(inp); 7165 (*addr) = (struct sockaddr *)sin; 7166 return (0); 7167 } 7168 7169 int 7170 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7171 { 7172 struct sockaddr_in *sin; 7173 int fnd; 7174 struct sockaddr_in *sin_a; 7175 struct sctp_inpcb *inp; 7176 struct sctp_tcb *stcb; 7177 struct sctp_nets *net; 7178 7179 /* Do the malloc first in case it blocks. */ 7180 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7181 if (sin == NULL) 7182 return (ENOMEM); 7183 sin->sin_family = AF_INET; 7184 sin->sin_len = sizeof(*sin); 7185 7186 inp = (struct sctp_inpcb *)so->so_pcb; 7187 if ((inp == NULL) || 7188 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7189 /* UDP type and listeners will drop out here */ 7190 SCTP_FREE_SONAME(sin); 7191 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7192 return (ENOTCONN); 7193 } 7194 SCTP_INP_RLOCK(inp); 7195 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7196 if (stcb) { 7197 SCTP_TCB_LOCK(stcb); 7198 } 7199 SCTP_INP_RUNLOCK(inp); 7200 if (stcb == NULL) { 7201 SCTP_FREE_SONAME(sin); 7202 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7203 return (ECONNRESET); 7204 } 7205 fnd = 0; 7206 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7207 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7208 if (sin_a->sin_family == AF_INET) { 7209 fnd = 1; 7210 sin->sin_port = stcb->rport; 7211 sin->sin_addr = sin_a->sin_addr; 7212 break; 7213 } 7214 } 7215 SCTP_TCB_UNLOCK(stcb); 7216 if (!fnd) { 7217 /* No IPv4 address */ 7218 SCTP_FREE_SONAME(sin); 7219 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7220 return (ENOENT); 7221 } 7222 (*addr) = (struct sockaddr *)sin; 7223 return (0); 7224 } 7225 7226 struct pr_usrreqs sctp_usrreqs = { 7227 .pru_abort = sctp_abort, 7228 .pru_accept = sctp_accept, 7229 .pru_attach = sctp_attach, 7230 .pru_bind = sctp_bind, 7231 .pru_connect = sctp_connect, 7232 .pru_control = in_control, 7233 .pru_close = sctp_close, 7234 .pru_detach = sctp_close, 7235 .pru_sopoll = sopoll_generic, 7236 .pru_flush = sctp_flush, 7237 .pru_disconnect = sctp_disconnect, 7238 .pru_listen = sctp_listen, 7239 .pru_peeraddr = sctp_peeraddr, 7240 .pru_send = sctp_sendm, 7241 .pru_shutdown = sctp_shutdown, 7242 .pru_sockaddr = sctp_ingetaddr, 7243 .pru_sosend = sctp_sosend, 7244 .pru_soreceive = sctp_soreceive 7245 }; 7246 7247 #endif 7248