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