1 /*- 2 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 4 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * a) Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * b) Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the distribution. 15 * 16 * c) Neither the name of Cisco Systems, Inc. nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 __FBSDID("$FreeBSD$"); 35 36 #include <netinet/sctp_os.h> 37 #include <sys/proc.h> 38 #include <netinet/sctp_pcb.h> 39 #include <netinet/sctp_header.h> 40 #include <netinet/sctp_var.h> 41 #ifdef INET6 42 #include <netinet6/sctp6_var.h> 43 #endif 44 #include <netinet/sctp_sysctl.h> 45 #include <netinet/sctp_output.h> 46 #include <netinet/sctp_uio.h> 47 #include <netinet/sctp_asconf.h> 48 #include <netinet/sctputil.h> 49 #include <netinet/sctp_indata.h> 50 #include <netinet/sctp_timer.h> 51 #include <netinet/sctp_auth.h> 52 #include <netinet/sctp_bsd_addr.h> 53 #include <netinet/udp.h> 54 55 56 57 extern const struct sctp_cc_functions sctp_cc_functions[]; 58 extern const struct sctp_ss_functions sctp_ss_functions[]; 59 60 void 61 sctp_init(void) 62 { 63 u_long sb_max_adj; 64 65 /* Initialize and modify the sysctled variables */ 66 sctp_init_sysctls(); 67 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 68 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 69 /* 70 * Allow a user to take no more than 1/2 the number of clusters or 71 * the SB_MAX whichever is smaller for the send window. 72 */ 73 sb_max_adj = (u_long)((u_quad_t) (SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 74 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 75 (((uint32_t) nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT)); 76 /* 77 * Now for the recv window, should we take the same amount? or 78 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 79 * now I will just copy. 80 */ 81 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 82 SCTP_BASE_VAR(first_time) = 0; 83 SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 84 sctp_pcb_init(); 85 #if defined(SCTP_PACKET_LOGGING) 86 SCTP_BASE_VAR(packet_log_writers) = 0; 87 SCTP_BASE_VAR(packet_log_end) = 0; 88 bzero(&SCTP_BASE_VAR(packet_log_buffer), SCTP_PACKET_LOG_SIZE); 89 #endif 90 } 91 92 #ifdef VIMAGE 93 static void 94 sctp_finish(void *unused __unused) 95 { 96 sctp_pcb_finish(); 97 } 98 VNET_SYSUNINIT(sctp, SI_SUB_PROTO_DOMAIN, SI_ORDER_FOURTH, sctp_finish, NULL); 99 #endif 100 101 void 102 sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz) 103 { 104 struct sctp_tmit_chunk *chk; 105 uint16_t overhead; 106 107 /* Adjust that too */ 108 stcb->asoc.smallest_mtu = nxtsz; 109 /* now off to subtract IP_DF flag if needed */ 110 overhead = IP_HDR_SIZE; 111 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) { 112 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id); 113 } 114 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) { 115 if ((chk->send_size + overhead) > nxtsz) { 116 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 117 } 118 } 119 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) { 120 if ((chk->send_size + overhead) > nxtsz) { 121 /* 122 * For this guy we also mark for immediate resend 123 * since we sent to big of chunk 124 */ 125 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 126 if (chk->sent < SCTP_DATAGRAM_RESEND) { 127 sctp_flight_size_decrease(chk); 128 sctp_total_flight_decrease(stcb, chk); 129 chk->sent = SCTP_DATAGRAM_RESEND; 130 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt); 131 chk->rec.data.doing_fast_retransmit = 0; 132 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 133 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 134 chk->whoTo->flight_size, 135 chk->book_size, 136 (uint32_t) (uintptr_t) chk->whoTo, 137 chk->rec.data.TSN_seq); 138 } 139 /* Clear any time so NO RTT is being done */ 140 chk->do_rtt = 0; 141 } 142 } 143 } 144 } 145 146 #ifdef INET 147 void 148 sctp_notify(struct sctp_inpcb *inp, 149 struct sctp_tcb *stcb, 150 struct sctp_nets *net, 151 uint8_t icmp_type, 152 uint8_t icmp_code, 153 uint16_t ip_len, 154 uint16_t next_mtu) 155 { 156 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 157 struct socket *so; 158 159 #endif 160 int timer_stopped; 161 162 if (icmp_type != ICMP_UNREACH) { 163 /* We only care about unreachable */ 164 SCTP_TCB_UNLOCK(stcb); 165 return; 166 } 167 if ((icmp_code == ICMP_UNREACH_NET) || 168 (icmp_code == ICMP_UNREACH_HOST) || 169 (icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 170 (icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 171 (icmp_code == ICMP_UNREACH_ISOLATED) || 172 (icmp_code == ICMP_UNREACH_NET_PROHIB) || 173 (icmp_code == ICMP_UNREACH_HOST_PROHIB) || 174 (icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 175 /* Mark the net unreachable. */ 176 if (net->dest_state & SCTP_ADDR_REACHABLE) { 177 /* OK, that destination is NOT reachable. */ 178 net->dest_state &= ~SCTP_ADDR_REACHABLE; 179 net->dest_state &= ~SCTP_ADDR_PF; 180 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 181 stcb, 0, 182 (void *)net, SCTP_SO_NOT_LOCKED); 183 } 184 SCTP_TCB_UNLOCK(stcb); 185 } else if ((icmp_code == ICMP_UNREACH_PROTOCOL) || 186 (icmp_code == ICMP_UNREACH_PORT)) { 187 /* Treat it like an ABORT. */ 188 sctp_abort_notification(stcb, 1, 0, NULL, SCTP_SO_NOT_LOCKED); 189 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 190 so = SCTP_INP_SO(inp); 191 atomic_add_int(&stcb->asoc.refcnt, 1); 192 SCTP_TCB_UNLOCK(stcb); 193 SCTP_SOCKET_LOCK(so, 1); 194 SCTP_TCB_LOCK(stcb); 195 atomic_subtract_int(&stcb->asoc.refcnt, 1); 196 #endif 197 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 198 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 199 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 200 SCTP_SOCKET_UNLOCK(so, 1); 201 /* SCTP_TCB_UNLOCK(stcb); MT: I think this is not needed. */ 202 #endif 203 /* no need to unlock here, since the TCB is gone */ 204 } else if (icmp_code == ICMP_UNREACH_NEEDFRAG) { 205 /* Find the next (smaller) MTU */ 206 if (next_mtu == 0) { 207 /* 208 * Old type router that does not tell us what the 209 * next MTU is. Rats we will have to guess (in a 210 * educated fashion of course). 211 */ 212 next_mtu = sctp_get_prev_mtu(ip_len); 213 } 214 /* Stop the PMTU timer. */ 215 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 216 timer_stopped = 1; 217 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 218 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 219 } else { 220 timer_stopped = 0; 221 } 222 /* Update the path MTU. */ 223 if (net->mtu > next_mtu) { 224 net->mtu = next_mtu; 225 if (net->port) { 226 net->mtu -= sizeof(struct udphdr); 227 } 228 } 229 /* Update the association MTU */ 230 if (stcb->asoc.smallest_mtu > next_mtu) { 231 sctp_pathmtu_adjustment(stcb, next_mtu); 232 } 233 /* Finally, start the PMTU timer if it was running before. */ 234 if (timer_stopped) { 235 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 236 } 237 SCTP_TCB_UNLOCK(stcb); 238 } else { 239 SCTP_TCB_UNLOCK(stcb); 240 } 241 } 242 243 void 244 sctp_ctlinput(int cmd, struct sockaddr *sa, void *vip) 245 { 246 struct ip *outer_ip; 247 struct ip *inner_ip; 248 struct sctphdr *sh; 249 struct icmp *icmp; 250 struct sctp_inpcb *inp; 251 struct sctp_tcb *stcb; 252 struct sctp_nets *net; 253 struct sctp_init_chunk *ch; 254 struct sockaddr_in src, dst; 255 256 if (sa->sa_family != AF_INET || 257 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 258 return; 259 } 260 if (PRC_IS_REDIRECT(cmd)) { 261 vip = NULL; 262 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 263 return; 264 } 265 if (vip != NULL) { 266 inner_ip = (struct ip *)vip; 267 icmp = (struct icmp *)((caddr_t)inner_ip - 268 (sizeof(struct icmp) - sizeof(struct ip))); 269 outer_ip = (struct ip *)((caddr_t)icmp - sizeof(struct ip)); 270 sh = (struct sctphdr *)((caddr_t)inner_ip + (inner_ip->ip_hl << 2)); 271 memset(&src, 0, sizeof(struct sockaddr_in)); 272 src.sin_family = AF_INET; 273 src.sin_len = sizeof(struct sockaddr_in); 274 src.sin_port = sh->src_port; 275 src.sin_addr = inner_ip->ip_src; 276 memset(&dst, 0, sizeof(struct sockaddr_in)); 277 dst.sin_family = AF_INET; 278 dst.sin_len = sizeof(struct sockaddr_in); 279 dst.sin_port = sh->dest_port; 280 dst.sin_addr = inner_ip->ip_dst; 281 /* 282 * 'dst' holds the dest of the packet that failed to be 283 * sent. 'src' holds our local endpoint address. Thus we 284 * reverse the dst and the src in the lookup. 285 */ 286 inp = NULL; 287 net = NULL; 288 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&dst, 289 (struct sockaddr *)&src, 290 &inp, &net, 1, 291 SCTP_DEFAULT_VRFID); 292 if ((stcb != NULL) && 293 (net != NULL) && 294 (inp != NULL) && 295 (inp->sctp_socket != NULL)) { 296 /* Check the verification tag */ 297 if (ntohl(sh->v_tag) != 0) { 298 /* 299 * This must be the verification tag used 300 * for sending out packets. We don't 301 * consider packets reflecting the 302 * verification tag. 303 */ 304 if (ntohl(sh->v_tag) != stcb->asoc.peer_vtag) { 305 SCTP_TCB_UNLOCK(stcb); 306 return; 307 } 308 } else { 309 if (ntohs(outer_ip->ip_len) >= 310 sizeof(struct ip) + 311 8 + (inner_ip->ip_hl << 2) + 20) { 312 /* 313 * In this case we can check if we 314 * got an INIT chunk and if the 315 * initiate tag matches. 316 */ 317 ch = (struct sctp_init_chunk *)(sh + 1); 318 if ((ch->ch.chunk_type != SCTP_INITIATION) || 319 (ntohl(ch->init.initiate_tag) != stcb->asoc.my_vtag)) { 320 SCTP_TCB_UNLOCK(stcb); 321 return; 322 } 323 } else { 324 SCTP_TCB_UNLOCK(stcb); 325 return; 326 } 327 } 328 sctp_notify(inp, stcb, net, 329 icmp->icmp_type, 330 icmp->icmp_code, 331 ntohs(inner_ip->ip_len), 332 ntohs(icmp->icmp_nextmtu)); 333 } else { 334 if ((stcb == NULL) && (inp != NULL)) { 335 /* reduce ref-count */ 336 SCTP_INP_WLOCK(inp); 337 SCTP_INP_DECR_REF(inp); 338 SCTP_INP_WUNLOCK(inp); 339 } 340 if (stcb) { 341 SCTP_TCB_UNLOCK(stcb); 342 } 343 } 344 } 345 return; 346 } 347 348 #endif 349 350 static int 351 sctp_getcred(SYSCTL_HANDLER_ARGS) 352 { 353 struct xucred xuc; 354 struct sockaddr_in addrs[2]; 355 struct sctp_inpcb *inp; 356 struct sctp_nets *net; 357 struct sctp_tcb *stcb; 358 int error; 359 uint32_t vrf_id; 360 361 /* FIX, for non-bsd is this right? */ 362 vrf_id = SCTP_DEFAULT_VRFID; 363 364 error = priv_check(req->td, PRIV_NETINET_GETCRED); 365 366 if (error) 367 return (error); 368 369 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 370 if (error) 371 return (error); 372 373 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), 374 sintosa(&addrs[0]), 375 &inp, &net, 1, vrf_id); 376 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 377 if ((inp != NULL) && (stcb == NULL)) { 378 /* reduce ref-count */ 379 SCTP_INP_WLOCK(inp); 380 SCTP_INP_DECR_REF(inp); 381 goto cred_can_cont; 382 } 383 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 384 error = ENOENT; 385 goto out; 386 } 387 SCTP_TCB_UNLOCK(stcb); 388 /* 389 * We use the write lock here, only since in the error leg we need 390 * it. If we used RLOCK, then we would have to 391 * wlock/decr/unlock/rlock. Which in theory could create a hole. 392 * Better to use higher wlock. 393 */ 394 SCTP_INP_WLOCK(inp); 395 cred_can_cont: 396 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 397 if (error) { 398 SCTP_INP_WUNLOCK(inp); 399 goto out; 400 } 401 cru2x(inp->sctp_socket->so_cred, &xuc); 402 SCTP_INP_WUNLOCK(inp); 403 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 404 out: 405 return (error); 406 } 407 408 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW, 409 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection"); 410 411 412 #ifdef INET 413 static void 414 sctp_abort(struct socket *so) 415 { 416 struct sctp_inpcb *inp; 417 uint32_t flags; 418 419 inp = (struct sctp_inpcb *)so->so_pcb; 420 if (inp == NULL) { 421 return; 422 } 423 sctp_must_try_again: 424 flags = inp->sctp_flags; 425 #ifdef SCTP_LOG_CLOSING 426 sctp_log_closing(inp, NULL, 17); 427 #endif 428 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 429 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 430 #ifdef SCTP_LOG_CLOSING 431 sctp_log_closing(inp, NULL, 16); 432 #endif 433 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 434 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 435 SOCK_LOCK(so); 436 SCTP_SB_CLEAR(so->so_snd); 437 /* 438 * same for the rcv ones, they are only here for the 439 * accounting/select. 440 */ 441 SCTP_SB_CLEAR(so->so_rcv); 442 443 /* Now null out the reference, we are completely detached. */ 444 so->so_pcb = NULL; 445 SOCK_UNLOCK(so); 446 } else { 447 flags = inp->sctp_flags; 448 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 449 goto sctp_must_try_again; 450 } 451 } 452 return; 453 } 454 455 static int 456 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 457 { 458 struct sctp_inpcb *inp; 459 struct inpcb *ip_inp; 460 int error; 461 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 462 463 inp = (struct sctp_inpcb *)so->so_pcb; 464 if (inp != NULL) { 465 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 466 return (EINVAL); 467 } 468 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 469 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 470 if (error) { 471 return (error); 472 } 473 } 474 error = sctp_inpcb_alloc(so, vrf_id); 475 if (error) { 476 return (error); 477 } 478 inp = (struct sctp_inpcb *)so->so_pcb; 479 SCTP_INP_WLOCK(inp); 480 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 481 ip_inp = &inp->ip_inp.inp; 482 ip_inp->inp_vflag |= INP_IPV4; 483 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 484 SCTP_INP_WUNLOCK(inp); 485 return (0); 486 } 487 488 static int 489 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 490 { 491 struct sctp_inpcb *inp; 492 493 inp = (struct sctp_inpcb *)so->so_pcb; 494 if (inp == NULL) { 495 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 496 return (EINVAL); 497 } 498 if (addr != NULL) { 499 if ((addr->sa_family != AF_INET) || 500 (addr->sa_len != sizeof(struct sockaddr_in))) { 501 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 502 return (EINVAL); 503 } 504 } 505 return (sctp_inpcb_bind(so, addr, NULL, p)); 506 } 507 508 #endif 509 void 510 sctp_close(struct socket *so) 511 { 512 struct sctp_inpcb *inp; 513 uint32_t flags; 514 515 inp = (struct sctp_inpcb *)so->so_pcb; 516 if (inp == NULL) 517 return; 518 519 /* 520 * Inform all the lower layer assoc that we are done. 521 */ 522 sctp_must_try_again: 523 flags = inp->sctp_flags; 524 #ifdef SCTP_LOG_CLOSING 525 sctp_log_closing(inp, NULL, 17); 526 #endif 527 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 528 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 529 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 530 (so->so_rcv.sb_cc > 0)) { 531 #ifdef SCTP_LOG_CLOSING 532 sctp_log_closing(inp, NULL, 13); 533 #endif 534 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 535 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 536 } else { 537 #ifdef SCTP_LOG_CLOSING 538 sctp_log_closing(inp, NULL, 14); 539 #endif 540 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 541 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 542 } 543 /* 544 * The socket is now detached, no matter what the state of 545 * the SCTP association. 546 */ 547 SOCK_LOCK(so); 548 SCTP_SB_CLEAR(so->so_snd); 549 /* 550 * same for the rcv ones, they are only here for the 551 * accounting/select. 552 */ 553 SCTP_SB_CLEAR(so->so_rcv); 554 555 /* Now null out the reference, we are completely detached. */ 556 so->so_pcb = NULL; 557 SOCK_UNLOCK(so); 558 } else { 559 flags = inp->sctp_flags; 560 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 561 goto sctp_must_try_again; 562 } 563 } 564 return; 565 } 566 567 568 int 569 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 570 struct mbuf *control, struct thread *p); 571 572 573 int 574 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 575 struct mbuf *control, struct thread *p) 576 { 577 struct sctp_inpcb *inp; 578 int error; 579 580 inp = (struct sctp_inpcb *)so->so_pcb; 581 if (inp == NULL) { 582 if (control) { 583 sctp_m_freem(control); 584 control = NULL; 585 } 586 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 587 sctp_m_freem(m); 588 return (EINVAL); 589 } 590 /* Got to have an to address if we are NOT a connected socket */ 591 if ((addr == NULL) && 592 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 593 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 594 goto connected_type; 595 } else if (addr == NULL) { 596 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 597 error = EDESTADDRREQ; 598 sctp_m_freem(m); 599 if (control) { 600 sctp_m_freem(control); 601 control = NULL; 602 } 603 return (error); 604 } 605 #ifdef INET6 606 if (addr->sa_family != AF_INET) { 607 /* must be a v4 address! */ 608 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 609 sctp_m_freem(m); 610 if (control) { 611 sctp_m_freem(control); 612 control = NULL; 613 } 614 error = EDESTADDRREQ; 615 return (error); 616 } 617 #endif /* INET6 */ 618 connected_type: 619 /* now what about control */ 620 if (control) { 621 if (inp->control) { 622 SCTP_PRINTF("huh? control set?\n"); 623 sctp_m_freem(inp->control); 624 inp->control = NULL; 625 } 626 inp->control = control; 627 } 628 /* Place the data */ 629 if (inp->pkt) { 630 SCTP_BUF_NEXT(inp->pkt_last) = m; 631 inp->pkt_last = m; 632 } else { 633 inp->pkt_last = inp->pkt = m; 634 } 635 if ( 636 /* FreeBSD uses a flag passed */ 637 ((flags & PRUS_MORETOCOME) == 0) 638 ) { 639 /* 640 * note with the current version this code will only be used 641 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 642 * re-defining sosend to use the sctp_sosend. One can 643 * optionally switch back to this code (by changing back the 644 * definitions) but this is not advisable. This code is used 645 * by FreeBSD when sending a file with sendfile() though. 646 */ 647 int ret; 648 649 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 650 inp->pkt = NULL; 651 inp->control = NULL; 652 return (ret); 653 } else { 654 return (0); 655 } 656 } 657 658 int 659 sctp_disconnect(struct socket *so) 660 { 661 struct sctp_inpcb *inp; 662 663 inp = (struct sctp_inpcb *)so->so_pcb; 664 if (inp == NULL) { 665 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 666 return (ENOTCONN); 667 } 668 SCTP_INP_RLOCK(inp); 669 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 670 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 671 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 672 /* No connection */ 673 SCTP_INP_RUNLOCK(inp); 674 return (0); 675 } else { 676 struct sctp_association *asoc; 677 struct sctp_tcb *stcb; 678 679 stcb = LIST_FIRST(&inp->sctp_asoc_list); 680 if (stcb == NULL) { 681 SCTP_INP_RUNLOCK(inp); 682 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 683 return (EINVAL); 684 } 685 SCTP_TCB_LOCK(stcb); 686 asoc = &stcb->asoc; 687 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 688 /* We are about to be freed, out of here */ 689 SCTP_TCB_UNLOCK(stcb); 690 SCTP_INP_RUNLOCK(inp); 691 return (0); 692 } 693 if (((so->so_options & SO_LINGER) && 694 (so->so_linger == 0)) || 695 (so->so_rcv.sb_cc > 0)) { 696 if (SCTP_GET_STATE(asoc) != 697 SCTP_STATE_COOKIE_WAIT) { 698 /* Left with Data unread */ 699 struct mbuf *err; 700 701 err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_NOWAIT, 1, MT_DATA); 702 if (err) { 703 /* 704 * Fill in the user 705 * initiated abort 706 */ 707 struct sctp_paramhdr *ph; 708 709 ph = mtod(err, struct sctp_paramhdr *); 710 SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr); 711 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT); 712 ph->param_length = htons(SCTP_BUF_LEN(err)); 713 } 714 sctp_send_abort_tcb(stcb, err, SCTP_SO_LOCKED); 715 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 716 } 717 SCTP_INP_RUNLOCK(inp); 718 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 719 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 720 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 721 } 722 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 723 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 724 /* No unlock tcb assoc is gone */ 725 return (0); 726 } 727 if (TAILQ_EMPTY(&asoc->send_queue) && 728 TAILQ_EMPTY(&asoc->sent_queue) && 729 (asoc->stream_queue_cnt == 0)) { 730 /* there is nothing queued to send, so done */ 731 if (asoc->locked_on_sending) { 732 goto abort_anyway; 733 } 734 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) && 735 (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 736 /* only send SHUTDOWN 1st time thru */ 737 struct sctp_nets *netp; 738 739 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 740 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 741 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 742 } 743 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 744 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 745 sctp_stop_timers_for_shutdown(stcb); 746 if (stcb->asoc.alternate) { 747 netp = stcb->asoc.alternate; 748 } else { 749 netp = stcb->asoc.primary_destination; 750 } 751 sctp_send_shutdown(stcb, netp); 752 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 753 stcb->sctp_ep, stcb, netp); 754 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 755 stcb->sctp_ep, stcb, netp); 756 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 757 } 758 } else { 759 /* 760 * we still got (or just got) data to send, 761 * so set SHUTDOWN_PENDING 762 */ 763 /* 764 * XXX sockets draft says that SCTP_EOF 765 * should be sent with no data. currently, 766 * we will allow user data to be sent first 767 * and move to SHUTDOWN-PENDING 768 */ 769 struct sctp_nets *netp; 770 771 if (stcb->asoc.alternate) { 772 netp = stcb->asoc.alternate; 773 } else { 774 netp = stcb->asoc.primary_destination; 775 } 776 777 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 778 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 779 netp); 780 if (asoc->locked_on_sending) { 781 /* Locked to send out the data */ 782 struct sctp_stream_queue_pending *sp; 783 784 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 785 if (sp == NULL) { 786 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 787 asoc->locked_on_sending->stream_no); 788 } else { 789 if ((sp->length == 0) && (sp->msg_is_complete == 0)) 790 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 791 } 792 } 793 if (TAILQ_EMPTY(&asoc->send_queue) && 794 TAILQ_EMPTY(&asoc->sent_queue) && 795 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 796 struct mbuf *op_err; 797 798 abort_anyway: 799 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 800 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 801 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 802 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 803 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 804 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 805 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 806 } 807 SCTP_INP_RUNLOCK(inp); 808 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 809 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 810 return (0); 811 } else { 812 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 813 } 814 } 815 soisdisconnecting(so); 816 SCTP_TCB_UNLOCK(stcb); 817 SCTP_INP_RUNLOCK(inp); 818 return (0); 819 } 820 /* not reached */ 821 } else { 822 /* UDP model does not support this */ 823 SCTP_INP_RUNLOCK(inp); 824 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 825 return (EOPNOTSUPP); 826 } 827 } 828 829 int 830 sctp_flush(struct socket *so, int how) 831 { 832 /* 833 * We will just clear out the values and let subsequent close clear 834 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 835 * they will not be able to read the data, the socket will block 836 * that from happening. 837 */ 838 struct sctp_inpcb *inp; 839 840 inp = (struct sctp_inpcb *)so->so_pcb; 841 if (inp == NULL) { 842 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 843 return (EINVAL); 844 } 845 SCTP_INP_RLOCK(inp); 846 /* For the 1 to many model this does nothing */ 847 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 848 SCTP_INP_RUNLOCK(inp); 849 return (0); 850 } 851 SCTP_INP_RUNLOCK(inp); 852 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 853 /* 854 * First make sure the sb will be happy, we don't use these 855 * except maybe the count 856 */ 857 SCTP_INP_WLOCK(inp); 858 SCTP_INP_READ_LOCK(inp); 859 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 860 SCTP_INP_READ_UNLOCK(inp); 861 SCTP_INP_WUNLOCK(inp); 862 so->so_rcv.sb_cc = 0; 863 so->so_rcv.sb_mbcnt = 0; 864 so->so_rcv.sb_mb = NULL; 865 } 866 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 867 /* 868 * First make sure the sb will be happy, we don't use these 869 * except maybe the count 870 */ 871 so->so_snd.sb_cc = 0; 872 so->so_snd.sb_mbcnt = 0; 873 so->so_snd.sb_mb = NULL; 874 875 } 876 return (0); 877 } 878 879 int 880 sctp_shutdown(struct socket *so) 881 { 882 struct sctp_inpcb *inp; 883 884 inp = (struct sctp_inpcb *)so->so_pcb; 885 if (inp == NULL) { 886 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 887 return (EINVAL); 888 } 889 SCTP_INP_RLOCK(inp); 890 /* For UDP model this is a invalid call */ 891 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 892 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 893 /* Restore the flags that the soshutdown took away. */ 894 SOCKBUF_LOCK(&so->so_rcv); 895 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 896 SOCKBUF_UNLOCK(&so->so_rcv); 897 /* This proc will wakeup for read and do nothing (I hope) */ 898 SCTP_INP_RUNLOCK(inp); 899 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 900 return (EOPNOTSUPP); 901 } else { 902 /* 903 * Ok, if we reach here its the TCP model and it is either a 904 * SHUT_WR or SHUT_RDWR. This means we put the shutdown flag 905 * against it. 906 */ 907 struct sctp_tcb *stcb; 908 struct sctp_association *asoc; 909 struct sctp_nets *netp; 910 911 if ((so->so_state & 912 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 913 SCTP_INP_RUNLOCK(inp); 914 return (ENOTCONN); 915 } 916 socantsendmore(so); 917 918 stcb = LIST_FIRST(&inp->sctp_asoc_list); 919 if (stcb == NULL) { 920 /* 921 * Ok, we hit the case that the shutdown call was 922 * made after an abort or something. Nothing to do 923 * now. 924 */ 925 SCTP_INP_RUNLOCK(inp); 926 return (0); 927 } 928 SCTP_TCB_LOCK(stcb); 929 asoc = &stcb->asoc; 930 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) { 931 SCTP_TCB_UNLOCK(stcb); 932 SCTP_INP_RUNLOCK(inp); 933 return (0); 934 } 935 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_COOKIE_WAIT) && 936 (SCTP_GET_STATE(asoc) != SCTP_STATE_COOKIE_ECHOED) && 937 (SCTP_GET_STATE(asoc) != SCTP_STATE_OPEN)) { 938 /* 939 * If we are not in or before ESTABLISHED, there is 940 * no protocol action required. 941 */ 942 SCTP_TCB_UNLOCK(stcb); 943 SCTP_INP_RUNLOCK(inp); 944 return (0); 945 } 946 if (stcb->asoc.alternate) { 947 netp = stcb->asoc.alternate; 948 } else { 949 netp = stcb->asoc.primary_destination; 950 } 951 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) && 952 TAILQ_EMPTY(&asoc->send_queue) && 953 TAILQ_EMPTY(&asoc->sent_queue) && 954 (asoc->stream_queue_cnt == 0)) { 955 if (asoc->locked_on_sending) { 956 goto abort_anyway; 957 } 958 /* there is nothing queued to send, so I'm done... */ 959 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 960 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 961 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 962 sctp_stop_timers_for_shutdown(stcb); 963 sctp_send_shutdown(stcb, netp); 964 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 965 stcb->sctp_ep, stcb, netp); 966 } else { 967 /* 968 * We still got (or just got) data to send, so set 969 * SHUTDOWN_PENDING. 970 */ 971 SCTP_ADD_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 972 if (asoc->locked_on_sending) { 973 /* Locked to send out the data */ 974 struct sctp_stream_queue_pending *sp; 975 976 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 977 if (sp == NULL) { 978 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 979 asoc->locked_on_sending->stream_no); 980 } else { 981 if ((sp->length == 0) && (sp->msg_is_complete == 0)) { 982 SCTP_ADD_SUBSTATE(asoc, SCTP_STATE_PARTIAL_MSG_LEFT); 983 } 984 } 985 } 986 if (TAILQ_EMPTY(&asoc->send_queue) && 987 TAILQ_EMPTY(&asoc->sent_queue) && 988 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 989 struct mbuf *op_err; 990 991 abort_anyway: 992 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 993 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 994 sctp_abort_an_association(stcb->sctp_ep, stcb, 995 op_err, SCTP_SO_LOCKED); 996 SCTP_INP_RUNLOCK(inp); 997 return (0); 998 } 999 } 1000 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, netp); 1001 /* 1002 * XXX: Why do this in the case where we have still data 1003 * queued? 1004 */ 1005 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 1006 SCTP_TCB_UNLOCK(stcb); 1007 SCTP_INP_RUNLOCK(inp); 1008 return (0); 1009 } 1010 } 1011 1012 /* 1013 * copies a "user" presentable address and removes embedded scope, etc. 1014 * returns 0 on success, 1 on error 1015 */ 1016 static uint32_t 1017 sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 1018 { 1019 #ifdef INET6 1020 struct sockaddr_in6 lsa6; 1021 1022 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 1023 &lsa6); 1024 #endif 1025 memcpy(ss, sa, sa->sa_len); 1026 return (0); 1027 } 1028 1029 1030 1031 /* 1032 * NOTE: assumes addr lock is held 1033 */ 1034 static size_t 1035 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1036 struct sctp_tcb *stcb, 1037 size_t limit, 1038 struct sockaddr_storage *sas, 1039 uint32_t vrf_id) 1040 { 1041 struct sctp_ifn *sctp_ifn; 1042 struct sctp_ifa *sctp_ifa; 1043 size_t actual; 1044 int loopback_scope; 1045 1046 #if defined(INET) 1047 int ipv4_local_scope, ipv4_addr_legal; 1048 1049 #endif 1050 #if defined(INET6) 1051 int local_scope, site_scope, ipv6_addr_legal; 1052 1053 #endif 1054 struct sctp_vrf *vrf; 1055 1056 actual = 0; 1057 if (limit <= 0) 1058 return (actual); 1059 1060 if (stcb) { 1061 /* Turn on all the appropriate scope */ 1062 loopback_scope = stcb->asoc.scope.loopback_scope; 1063 #if defined(INET) 1064 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1065 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1066 #endif 1067 #if defined(INET6) 1068 local_scope = stcb->asoc.scope.local_scope; 1069 site_scope = stcb->asoc.scope.site_scope; 1070 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1071 #endif 1072 } else { 1073 /* Use generic values for endpoints. */ 1074 loopback_scope = 1; 1075 #if defined(INET) 1076 ipv4_local_scope = 1; 1077 #endif 1078 #if defined(INET6) 1079 local_scope = 1; 1080 site_scope = 1; 1081 #endif 1082 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1083 #if defined(INET6) 1084 ipv6_addr_legal = 1; 1085 #endif 1086 #if defined(INET) 1087 if (SCTP_IPV6_V6ONLY(inp)) { 1088 ipv4_addr_legal = 0; 1089 } else { 1090 ipv4_addr_legal = 1; 1091 } 1092 #endif 1093 } else { 1094 #if defined(INET6) 1095 ipv6_addr_legal = 0; 1096 #endif 1097 #if defined(INET) 1098 ipv4_addr_legal = 1; 1099 #endif 1100 } 1101 } 1102 vrf = sctp_find_vrf(vrf_id); 1103 if (vrf == NULL) { 1104 return (0); 1105 } 1106 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1107 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1108 if ((loopback_scope == 0) && 1109 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1110 /* Skip loopback if loopback_scope not set */ 1111 continue; 1112 } 1113 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1114 if (stcb) { 1115 /* 1116 * For the BOUND-ALL case, the list 1117 * associated with a TCB is Always 1118 * considered a reverse list.. i.e. 1119 * it lists addresses that are NOT 1120 * part of the association. If this 1121 * is one of those we must skip it. 1122 */ 1123 if (sctp_is_addr_restricted(stcb, 1124 sctp_ifa)) { 1125 continue; 1126 } 1127 } 1128 switch (sctp_ifa->address.sa.sa_family) { 1129 #ifdef INET 1130 case AF_INET: 1131 if (ipv4_addr_legal) { 1132 struct sockaddr_in *sin; 1133 1134 sin = &sctp_ifa->address.sin; 1135 if (sin->sin_addr.s_addr == 0) { 1136 /* 1137 * we skip 1138 * unspecifed 1139 * addresses 1140 */ 1141 continue; 1142 } 1143 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1144 &sin->sin_addr) != 0) { 1145 continue; 1146 } 1147 if ((ipv4_local_scope == 0) && 1148 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1149 continue; 1150 } 1151 #ifdef INET6 1152 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1153 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1154 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1155 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1156 actual += sizeof(struct sockaddr_in6); 1157 } else { 1158 #endif 1159 memcpy(sas, sin, sizeof(*sin)); 1160 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1161 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin)); 1162 actual += sizeof(*sin); 1163 #ifdef INET6 1164 } 1165 #endif 1166 if (actual >= limit) { 1167 return (actual); 1168 } 1169 } else { 1170 continue; 1171 } 1172 break; 1173 #endif 1174 #ifdef INET6 1175 case AF_INET6: 1176 if (ipv6_addr_legal) { 1177 struct sockaddr_in6 *sin6; 1178 1179 sin6 = &sctp_ifa->address.sin6; 1180 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1181 /* 1182 * we skip 1183 * unspecifed 1184 * addresses 1185 */ 1186 continue; 1187 } 1188 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1189 &sin6->sin6_addr) != 0) { 1190 continue; 1191 } 1192 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1193 if (local_scope == 0) 1194 continue; 1195 if (sin6->sin6_scope_id == 0) { 1196 if (sa6_recoverscope(sin6) != 0) 1197 /* 1198 * 1199 * bad 1200 * 1201 * li 1202 * nk 1203 * 1204 * loc 1205 * al 1206 * 1207 * add 1208 * re 1209 * ss 1210 * */ 1211 continue; 1212 } 1213 } 1214 if ((site_scope == 0) && 1215 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1216 continue; 1217 } 1218 memcpy(sas, sin6, sizeof(*sin6)); 1219 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1220 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6)); 1221 actual += sizeof(*sin6); 1222 if (actual >= limit) { 1223 return (actual); 1224 } 1225 } else { 1226 continue; 1227 } 1228 break; 1229 #endif 1230 default: 1231 /* TSNH */ 1232 break; 1233 } 1234 } 1235 } 1236 } else { 1237 struct sctp_laddr *laddr; 1238 1239 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1240 if (stcb) { 1241 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1242 continue; 1243 } 1244 } 1245 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1246 continue; 1247 switch (laddr->ifa->address.sa.sa_family) { 1248 #ifdef INET 1249 case AF_INET: 1250 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1251 break; 1252 #endif 1253 #ifdef INET6 1254 case AF_INET6: 1255 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1256 break; 1257 #endif 1258 default: 1259 /* TSNH */ 1260 break; 1261 } 1262 sas = (struct sockaddr_storage *)((caddr_t)sas + 1263 laddr->ifa->address.sa.sa_len); 1264 actual += laddr->ifa->address.sa.sa_len; 1265 if (actual >= limit) { 1266 return (actual); 1267 } 1268 } 1269 } 1270 return (actual); 1271 } 1272 1273 static size_t 1274 sctp_fill_up_addresses(struct sctp_inpcb *inp, 1275 struct sctp_tcb *stcb, 1276 size_t limit, 1277 struct sockaddr_storage *sas) 1278 { 1279 size_t size = 0; 1280 1281 SCTP_IPI_ADDR_RLOCK(); 1282 /* fill up addresses for the endpoint's default vrf */ 1283 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1284 inp->def_vrf_id); 1285 SCTP_IPI_ADDR_RUNLOCK(); 1286 return (size); 1287 } 1288 1289 /* 1290 * NOTE: assumes addr lock is held 1291 */ 1292 static int 1293 sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1294 { 1295 int cnt = 0; 1296 struct sctp_vrf *vrf = NULL; 1297 1298 /* 1299 * In both sub-set bound an bound_all cases we return the MAXIMUM 1300 * number of addresses that you COULD get. In reality the sub-set 1301 * bound may have an exclusion list for a given TCB OR in the 1302 * bound-all case a TCB may NOT include the loopback or other 1303 * addresses as well. 1304 */ 1305 vrf = sctp_find_vrf(vrf_id); 1306 if (vrf == NULL) { 1307 return (0); 1308 } 1309 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1310 struct sctp_ifn *sctp_ifn; 1311 struct sctp_ifa *sctp_ifa; 1312 1313 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1314 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1315 /* Count them if they are the right type */ 1316 switch (sctp_ifa->address.sa.sa_family) { 1317 #ifdef INET 1318 case AF_INET: 1319 #ifdef INET6 1320 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1321 cnt += sizeof(struct sockaddr_in6); 1322 else 1323 cnt += sizeof(struct sockaddr_in); 1324 #else 1325 cnt += sizeof(struct sockaddr_in); 1326 #endif 1327 break; 1328 #endif 1329 #ifdef INET6 1330 case AF_INET6: 1331 cnt += sizeof(struct sockaddr_in6); 1332 break; 1333 #endif 1334 default: 1335 break; 1336 } 1337 } 1338 } 1339 } else { 1340 struct sctp_laddr *laddr; 1341 1342 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1343 switch (laddr->ifa->address.sa.sa_family) { 1344 #ifdef INET 1345 case AF_INET: 1346 #ifdef INET6 1347 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1348 cnt += sizeof(struct sockaddr_in6); 1349 else 1350 cnt += sizeof(struct sockaddr_in); 1351 #else 1352 cnt += sizeof(struct sockaddr_in); 1353 #endif 1354 break; 1355 #endif 1356 #ifdef INET6 1357 case AF_INET6: 1358 cnt += sizeof(struct sockaddr_in6); 1359 break; 1360 #endif 1361 default: 1362 break; 1363 } 1364 } 1365 } 1366 return (cnt); 1367 } 1368 1369 static int 1370 sctp_count_max_addresses(struct sctp_inpcb *inp) 1371 { 1372 int cnt = 0; 1373 1374 SCTP_IPI_ADDR_RLOCK(); 1375 /* count addresses for the endpoint's default VRF */ 1376 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1377 SCTP_IPI_ADDR_RUNLOCK(); 1378 return (cnt); 1379 } 1380 1381 static int 1382 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1383 size_t optsize, void *p, int delay) 1384 { 1385 int error = 0; 1386 int creat_lock_on = 0; 1387 struct sctp_tcb *stcb = NULL; 1388 struct sockaddr *sa; 1389 unsigned int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1390 uint32_t vrf_id; 1391 int bad_addresses = 0; 1392 sctp_assoc_t *a_id; 1393 1394 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1395 1396 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1397 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1398 /* We are already connected AND the TCP model */ 1399 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1400 return (EADDRINUSE); 1401 } 1402 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1403 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1404 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1405 return (EINVAL); 1406 } 1407 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1408 SCTP_INP_RLOCK(inp); 1409 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1410 SCTP_INP_RUNLOCK(inp); 1411 } 1412 if (stcb) { 1413 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1414 return (EALREADY); 1415 } 1416 SCTP_INP_INCR_REF(inp); 1417 SCTP_ASOC_CREATE_LOCK(inp); 1418 creat_lock_on = 1; 1419 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1420 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1421 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1422 error = EFAULT; 1423 goto out_now; 1424 } 1425 totaddrp = (unsigned int *)optval; 1426 totaddr = *totaddrp; 1427 sa = (struct sockaddr *)(totaddrp + 1); 1428 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (unsigned int)(optsize - sizeof(int)), &bad_addresses); 1429 if ((stcb != NULL) || bad_addresses) { 1430 /* Already have or am bring up an association */ 1431 SCTP_ASOC_CREATE_UNLOCK(inp); 1432 creat_lock_on = 0; 1433 if (stcb) 1434 SCTP_TCB_UNLOCK(stcb); 1435 if (bad_addresses == 0) { 1436 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1437 error = EALREADY; 1438 } 1439 goto out_now; 1440 } 1441 #ifdef INET6 1442 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1443 (num_v6 > 0)) { 1444 error = EINVAL; 1445 goto out_now; 1446 } 1447 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1448 (num_v4 > 0)) { 1449 struct in6pcb *inp6; 1450 1451 inp6 = (struct in6pcb *)inp; 1452 if (SCTP_IPV6_V6ONLY(inp6)) { 1453 /* 1454 * if IPV6_V6ONLY flag, ignore connections destined 1455 * to a v4 addr or v4-mapped addr 1456 */ 1457 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1458 error = EINVAL; 1459 goto out_now; 1460 } 1461 } 1462 #endif /* INET6 */ 1463 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1464 SCTP_PCB_FLAGS_UNBOUND) { 1465 /* Bind a ephemeral port */ 1466 error = sctp_inpcb_bind(so, NULL, NULL, p); 1467 if (error) { 1468 goto out_now; 1469 } 1470 } 1471 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1472 vrf_id = inp->def_vrf_id; 1473 1474 1475 /* We are GOOD to go */ 1476 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1477 inp->sctp_ep.pre_open_stream_count, 1478 inp->sctp_ep.port, 1479 (struct thread *)p 1480 ); 1481 if (stcb == NULL) { 1482 /* Gak! no memory */ 1483 goto out_now; 1484 } 1485 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1486 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1487 /* Set the connected flag so we can queue data */ 1488 soisconnecting(so); 1489 } 1490 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 1491 /* move to second address */ 1492 switch (sa->sa_family) { 1493 #ifdef INET 1494 case AF_INET: 1495 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1496 break; 1497 #endif 1498 #ifdef INET6 1499 case AF_INET6: 1500 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1501 break; 1502 #endif 1503 default: 1504 break; 1505 } 1506 1507 error = 0; 1508 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1509 /* Fill in the return id */ 1510 if (error) { 1511 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, 1512 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 1513 goto out_now; 1514 } 1515 a_id = (sctp_assoc_t *) optval; 1516 *a_id = sctp_get_associd(stcb); 1517 1518 /* initialize authentication parameters for the assoc */ 1519 sctp_initialize_auth_params(inp, stcb); 1520 1521 if (delay) { 1522 /* doing delayed connection */ 1523 stcb->asoc.delayed_connection = 1; 1524 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1525 } else { 1526 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1527 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1528 } 1529 SCTP_TCB_UNLOCK(stcb); 1530 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1531 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1532 /* Set the connected flag so we can queue data */ 1533 soisconnecting(so); 1534 } 1535 out_now: 1536 if (creat_lock_on) { 1537 SCTP_ASOC_CREATE_UNLOCK(inp); 1538 } 1539 SCTP_INP_DECR_REF(inp); 1540 return (error); 1541 } 1542 1543 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1544 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1545 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1546 SCTP_INP_RLOCK(inp); \ 1547 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1548 if (stcb) { \ 1549 SCTP_TCB_LOCK(stcb); \ 1550 } \ 1551 SCTP_INP_RUNLOCK(inp); \ 1552 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1553 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1554 if (stcb == NULL) { \ 1555 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1556 error = ENOENT; \ 1557 break; \ 1558 } \ 1559 } else { \ 1560 stcb = NULL; \ 1561 } \ 1562 } 1563 1564 1565 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1566 if (size < sizeof(type)) { \ 1567 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1568 error = EINVAL; \ 1569 break; \ 1570 } else { \ 1571 destp = (type *)srcp; \ 1572 } \ 1573 } 1574 1575 static int 1576 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1577 void *p) 1578 { 1579 struct sctp_inpcb *inp = NULL; 1580 int error, val = 0; 1581 struct sctp_tcb *stcb = NULL; 1582 1583 if (optval == NULL) { 1584 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1585 return (EINVAL); 1586 } 1587 inp = (struct sctp_inpcb *)so->so_pcb; 1588 if (inp == NULL) { 1589 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1590 return EINVAL; 1591 } 1592 error = 0; 1593 1594 switch (optname) { 1595 case SCTP_NODELAY: 1596 case SCTP_AUTOCLOSE: 1597 case SCTP_EXPLICIT_EOR: 1598 case SCTP_AUTO_ASCONF: 1599 case SCTP_DISABLE_FRAGMENTS: 1600 case SCTP_I_WANT_MAPPED_V4_ADDR: 1601 case SCTP_USE_EXT_RCVINFO: 1602 SCTP_INP_RLOCK(inp); 1603 switch (optname) { 1604 case SCTP_DISABLE_FRAGMENTS: 1605 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1606 break; 1607 case SCTP_I_WANT_MAPPED_V4_ADDR: 1608 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1609 break; 1610 case SCTP_AUTO_ASCONF: 1611 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1612 /* only valid for bound all sockets */ 1613 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1614 } else { 1615 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1616 error = EINVAL; 1617 goto flags_out; 1618 } 1619 break; 1620 case SCTP_EXPLICIT_EOR: 1621 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1622 break; 1623 case SCTP_NODELAY: 1624 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1625 break; 1626 case SCTP_USE_EXT_RCVINFO: 1627 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1628 break; 1629 case SCTP_AUTOCLOSE: 1630 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1631 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1632 else 1633 val = 0; 1634 break; 1635 1636 default: 1637 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1638 error = ENOPROTOOPT; 1639 } /* end switch (sopt->sopt_name) */ 1640 if (*optsize < sizeof(val)) { 1641 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1642 error = EINVAL; 1643 } 1644 flags_out: 1645 SCTP_INP_RUNLOCK(inp); 1646 if (error == 0) { 1647 /* return the option value */ 1648 *(int *)optval = val; 1649 *optsize = sizeof(val); 1650 } 1651 break; 1652 case SCTP_GET_PACKET_LOG: 1653 { 1654 #ifdef SCTP_PACKET_LOGGING 1655 uint8_t *target; 1656 int ret; 1657 1658 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1659 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1660 *optsize = ret; 1661 #else 1662 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1663 error = EOPNOTSUPP; 1664 #endif 1665 break; 1666 } 1667 case SCTP_REUSE_PORT: 1668 { 1669 uint32_t *value; 1670 1671 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1672 /* Can't do this for a 1-m socket */ 1673 error = EINVAL; 1674 break; 1675 } 1676 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1677 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1678 *optsize = sizeof(uint32_t); 1679 break; 1680 } 1681 case SCTP_PARTIAL_DELIVERY_POINT: 1682 { 1683 uint32_t *value; 1684 1685 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1686 *value = inp->partial_delivery_point; 1687 *optsize = sizeof(uint32_t); 1688 break; 1689 } 1690 case SCTP_FRAGMENT_INTERLEAVE: 1691 { 1692 uint32_t *value; 1693 1694 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1695 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1696 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1697 *value = SCTP_FRAG_LEVEL_2; 1698 } else { 1699 *value = SCTP_FRAG_LEVEL_1; 1700 } 1701 } else { 1702 *value = SCTP_FRAG_LEVEL_0; 1703 } 1704 *optsize = sizeof(uint32_t); 1705 break; 1706 } 1707 case SCTP_INTERLEAVING_SUPPORTED: 1708 { 1709 struct sctp_assoc_value *av; 1710 1711 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1712 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1713 1714 if (stcb) { 1715 av->assoc_value = stcb->asoc.idata_supported; 1716 SCTP_TCB_UNLOCK(stcb); 1717 } else { 1718 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1719 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1720 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1721 SCTP_INP_RLOCK(inp); 1722 if (inp->idata_supported) { 1723 av->assoc_value = 1; 1724 } else { 1725 av->assoc_value = 0; 1726 } 1727 SCTP_INP_RUNLOCK(inp); 1728 } else { 1729 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1730 error = EINVAL; 1731 } 1732 } 1733 if (error == 0) { 1734 *optsize = sizeof(struct sctp_assoc_value); 1735 } 1736 break; 1737 } 1738 case SCTP_CMT_ON_OFF: 1739 { 1740 struct sctp_assoc_value *av; 1741 1742 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1743 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1744 if (stcb) { 1745 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1746 SCTP_TCB_UNLOCK(stcb); 1747 } else { 1748 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1749 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1750 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1751 SCTP_INP_RLOCK(inp); 1752 av->assoc_value = inp->sctp_cmt_on_off; 1753 SCTP_INP_RUNLOCK(inp); 1754 } else { 1755 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1756 error = EINVAL; 1757 } 1758 } 1759 if (error == 0) { 1760 *optsize = sizeof(struct sctp_assoc_value); 1761 } 1762 break; 1763 } 1764 case SCTP_PLUGGABLE_CC: 1765 { 1766 struct sctp_assoc_value *av; 1767 1768 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1769 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1770 if (stcb) { 1771 av->assoc_value = stcb->asoc.congestion_control_module; 1772 SCTP_TCB_UNLOCK(stcb); 1773 } else { 1774 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1775 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1776 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1777 SCTP_INP_RLOCK(inp); 1778 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1779 SCTP_INP_RUNLOCK(inp); 1780 } else { 1781 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1782 error = EINVAL; 1783 } 1784 } 1785 if (error == 0) { 1786 *optsize = sizeof(struct sctp_assoc_value); 1787 } 1788 break; 1789 } 1790 case SCTP_CC_OPTION: 1791 { 1792 struct sctp_cc_option *cc_opt; 1793 1794 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1795 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1796 if (stcb == NULL) { 1797 error = EINVAL; 1798 } else { 1799 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1800 error = ENOTSUP; 1801 } else { 1802 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1803 *optsize = sizeof(struct sctp_cc_option); 1804 } 1805 SCTP_TCB_UNLOCK(stcb); 1806 } 1807 break; 1808 } 1809 case SCTP_PLUGGABLE_SS: 1810 { 1811 struct sctp_assoc_value *av; 1812 1813 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1814 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1815 if (stcb) { 1816 av->assoc_value = stcb->asoc.stream_scheduling_module; 1817 SCTP_TCB_UNLOCK(stcb); 1818 } else { 1819 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1820 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1821 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1822 SCTP_INP_RLOCK(inp); 1823 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1824 SCTP_INP_RUNLOCK(inp); 1825 } else { 1826 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1827 error = EINVAL; 1828 } 1829 } 1830 if (error == 0) { 1831 *optsize = sizeof(struct sctp_assoc_value); 1832 } 1833 break; 1834 } 1835 case SCTP_SS_VALUE: 1836 { 1837 struct sctp_stream_value *av; 1838 1839 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1840 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1841 if (stcb) { 1842 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 1843 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1844 &av->stream_value) < 0)) { 1845 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1846 error = EINVAL; 1847 } else { 1848 *optsize = sizeof(struct sctp_stream_value); 1849 } 1850 SCTP_TCB_UNLOCK(stcb); 1851 } else { 1852 /* 1853 * Can't get stream value without 1854 * association 1855 */ 1856 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1857 error = EINVAL; 1858 } 1859 break; 1860 } 1861 case SCTP_GET_ADDR_LEN: 1862 { 1863 struct sctp_assoc_value *av; 1864 1865 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1866 error = EINVAL; 1867 #ifdef INET 1868 if (av->assoc_value == AF_INET) { 1869 av->assoc_value = sizeof(struct sockaddr_in); 1870 error = 0; 1871 } 1872 #endif 1873 #ifdef INET6 1874 if (av->assoc_value == AF_INET6) { 1875 av->assoc_value = sizeof(struct sockaddr_in6); 1876 error = 0; 1877 } 1878 #endif 1879 if (error) { 1880 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1881 } else { 1882 *optsize = sizeof(struct sctp_assoc_value); 1883 } 1884 break; 1885 } 1886 case SCTP_GET_ASSOC_NUMBER: 1887 { 1888 uint32_t *value, cnt; 1889 1890 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1891 SCTP_INP_RLOCK(inp); 1892 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1893 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1894 /* Can't do this for a 1-1 socket */ 1895 error = EINVAL; 1896 SCTP_INP_RUNLOCK(inp); 1897 break; 1898 } 1899 cnt = 0; 1900 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1901 cnt++; 1902 } 1903 SCTP_INP_RUNLOCK(inp); 1904 *value = cnt; 1905 *optsize = sizeof(uint32_t); 1906 break; 1907 } 1908 case SCTP_GET_ASSOC_ID_LIST: 1909 { 1910 struct sctp_assoc_ids *ids; 1911 uint32_t at; 1912 size_t limit; 1913 1914 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1915 SCTP_INP_RLOCK(inp); 1916 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1917 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1918 /* Can't do this for a 1-1 socket */ 1919 error = EINVAL; 1920 SCTP_INP_RUNLOCK(inp); 1921 break; 1922 } 1923 at = 0; 1924 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1925 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1926 if (at < limit) { 1927 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1928 if (at == 0) { 1929 error = EINVAL; 1930 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1931 break; 1932 } 1933 } else { 1934 error = EINVAL; 1935 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1936 break; 1937 } 1938 } 1939 SCTP_INP_RUNLOCK(inp); 1940 if (error == 0) { 1941 ids->gaids_number_of_ids = at; 1942 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1943 } 1944 break; 1945 } 1946 case SCTP_CONTEXT: 1947 { 1948 struct sctp_assoc_value *av; 1949 1950 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1951 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1952 1953 if (stcb) { 1954 av->assoc_value = stcb->asoc.context; 1955 SCTP_TCB_UNLOCK(stcb); 1956 } else { 1957 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1958 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1959 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1960 SCTP_INP_RLOCK(inp); 1961 av->assoc_value = inp->sctp_context; 1962 SCTP_INP_RUNLOCK(inp); 1963 } else { 1964 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1965 error = EINVAL; 1966 } 1967 } 1968 if (error == 0) { 1969 *optsize = sizeof(struct sctp_assoc_value); 1970 } 1971 break; 1972 } 1973 case SCTP_VRF_ID: 1974 { 1975 uint32_t *default_vrfid; 1976 1977 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1978 *default_vrfid = inp->def_vrf_id; 1979 *optsize = sizeof(uint32_t); 1980 break; 1981 } 1982 case SCTP_GET_ASOC_VRF: 1983 { 1984 struct sctp_assoc_value *id; 1985 1986 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1987 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1988 if (stcb == NULL) { 1989 error = EINVAL; 1990 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1991 } else { 1992 id->assoc_value = stcb->asoc.vrf_id; 1993 *optsize = sizeof(struct sctp_assoc_value); 1994 } 1995 break; 1996 } 1997 case SCTP_GET_VRF_IDS: 1998 { 1999 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 2000 error = EOPNOTSUPP; 2001 break; 2002 } 2003 case SCTP_GET_NONCE_VALUES: 2004 { 2005 struct sctp_get_nonce_values *gnv; 2006 2007 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 2008 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 2009 2010 if (stcb) { 2011 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 2012 gnv->gn_local_tag = stcb->asoc.my_vtag; 2013 SCTP_TCB_UNLOCK(stcb); 2014 *optsize = sizeof(struct sctp_get_nonce_values); 2015 } else { 2016 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2017 error = ENOTCONN; 2018 } 2019 break; 2020 } 2021 case SCTP_DELAYED_SACK: 2022 { 2023 struct sctp_sack_info *sack; 2024 2025 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 2026 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 2027 if (stcb) { 2028 sack->sack_delay = stcb->asoc.delayed_ack; 2029 sack->sack_freq = stcb->asoc.sack_freq; 2030 SCTP_TCB_UNLOCK(stcb); 2031 } else { 2032 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2033 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2034 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) { 2035 SCTP_INP_RLOCK(inp); 2036 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2037 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2038 SCTP_INP_RUNLOCK(inp); 2039 } else { 2040 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2041 error = EINVAL; 2042 } 2043 } 2044 if (error == 0) { 2045 *optsize = sizeof(struct sctp_sack_info); 2046 } 2047 break; 2048 } 2049 case SCTP_GET_SNDBUF_USE: 2050 { 2051 struct sctp_sockstat *ss; 2052 2053 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2054 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2055 2056 if (stcb) { 2057 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2058 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2059 stcb->asoc.size_on_all_streams); 2060 SCTP_TCB_UNLOCK(stcb); 2061 *optsize = sizeof(struct sctp_sockstat); 2062 } else { 2063 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2064 error = ENOTCONN; 2065 } 2066 break; 2067 } 2068 case SCTP_MAX_BURST: 2069 { 2070 struct sctp_assoc_value *av; 2071 2072 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2073 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2074 2075 if (stcb) { 2076 av->assoc_value = stcb->asoc.max_burst; 2077 SCTP_TCB_UNLOCK(stcb); 2078 } else { 2079 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2080 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2081 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2082 SCTP_INP_RLOCK(inp); 2083 av->assoc_value = inp->sctp_ep.max_burst; 2084 SCTP_INP_RUNLOCK(inp); 2085 } else { 2086 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2087 error = EINVAL; 2088 } 2089 } 2090 if (error == 0) { 2091 *optsize = sizeof(struct sctp_assoc_value); 2092 } 2093 break; 2094 } 2095 case SCTP_MAXSEG: 2096 { 2097 struct sctp_assoc_value *av; 2098 int ovh; 2099 2100 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2101 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2102 2103 if (stcb) { 2104 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2105 SCTP_TCB_UNLOCK(stcb); 2106 } else { 2107 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2108 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2109 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2110 SCTP_INP_RLOCK(inp); 2111 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2112 ovh = SCTP_MED_OVERHEAD; 2113 } else { 2114 ovh = SCTP_MED_V4_OVERHEAD; 2115 } 2116 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2117 av->assoc_value = 0; 2118 else 2119 av->assoc_value = inp->sctp_frag_point - ovh; 2120 SCTP_INP_RUNLOCK(inp); 2121 } else { 2122 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2123 error = EINVAL; 2124 } 2125 } 2126 if (error == 0) { 2127 *optsize = sizeof(struct sctp_assoc_value); 2128 } 2129 break; 2130 } 2131 case SCTP_GET_STAT_LOG: 2132 error = sctp_fill_stat_log(optval, optsize); 2133 break; 2134 case SCTP_EVENTS: 2135 { 2136 struct sctp_event_subscribe *events; 2137 2138 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2139 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2140 SCTP_INP_RLOCK(inp); 2141 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2142 events->sctp_data_io_event = 1; 2143 2144 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2145 events->sctp_association_event = 1; 2146 2147 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2148 events->sctp_address_event = 1; 2149 2150 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2151 events->sctp_send_failure_event = 1; 2152 2153 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2154 events->sctp_peer_error_event = 1; 2155 2156 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2157 events->sctp_shutdown_event = 1; 2158 2159 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2160 events->sctp_partial_delivery_event = 1; 2161 2162 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2163 events->sctp_adaptation_layer_event = 1; 2164 2165 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2166 events->sctp_authentication_event = 1; 2167 2168 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2169 events->sctp_sender_dry_event = 1; 2170 2171 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2172 events->sctp_stream_reset_event = 1; 2173 SCTP_INP_RUNLOCK(inp); 2174 *optsize = sizeof(struct sctp_event_subscribe); 2175 break; 2176 } 2177 case SCTP_ADAPTATION_LAYER: 2178 { 2179 uint32_t *value; 2180 2181 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2182 2183 SCTP_INP_RLOCK(inp); 2184 *value = inp->sctp_ep.adaptation_layer_indicator; 2185 SCTP_INP_RUNLOCK(inp); 2186 *optsize = sizeof(uint32_t); 2187 break; 2188 } 2189 case SCTP_SET_INITIAL_DBG_SEQ: 2190 { 2191 uint32_t *value; 2192 2193 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2194 SCTP_INP_RLOCK(inp); 2195 *value = inp->sctp_ep.initial_sequence_debug; 2196 SCTP_INP_RUNLOCK(inp); 2197 *optsize = sizeof(uint32_t); 2198 break; 2199 } 2200 case SCTP_GET_LOCAL_ADDR_SIZE: 2201 { 2202 uint32_t *value; 2203 2204 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2205 SCTP_INP_RLOCK(inp); 2206 *value = sctp_count_max_addresses(inp); 2207 SCTP_INP_RUNLOCK(inp); 2208 *optsize = sizeof(uint32_t); 2209 break; 2210 } 2211 case SCTP_GET_REMOTE_ADDR_SIZE: 2212 { 2213 uint32_t *value; 2214 size_t size; 2215 struct sctp_nets *net; 2216 2217 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2218 /* FIXME MT: change to sctp_assoc_value? */ 2219 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 2220 2221 if (stcb) { 2222 size = 0; 2223 /* Count the sizes */ 2224 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2225 switch (net->ro._l_addr.sa.sa_family) { 2226 #ifdef INET 2227 case AF_INET: 2228 #ifdef INET6 2229 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2230 size += sizeof(struct sockaddr_in6); 2231 } else { 2232 size += sizeof(struct sockaddr_in); 2233 } 2234 #else 2235 size += sizeof(struct sockaddr_in); 2236 #endif 2237 break; 2238 #endif 2239 #ifdef INET6 2240 case AF_INET6: 2241 size += sizeof(struct sockaddr_in6); 2242 break; 2243 #endif 2244 default: 2245 break; 2246 } 2247 } 2248 SCTP_TCB_UNLOCK(stcb); 2249 *value = (uint32_t) size; 2250 *optsize = sizeof(uint32_t); 2251 } else { 2252 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2253 error = ENOTCONN; 2254 } 2255 break; 2256 } 2257 case SCTP_GET_PEER_ADDRESSES: 2258 /* 2259 * Get the address information, an array is passed in to 2260 * fill up we pack it. 2261 */ 2262 { 2263 size_t cpsz, left; 2264 struct sockaddr_storage *sas; 2265 struct sctp_nets *net; 2266 struct sctp_getaddresses *saddr; 2267 2268 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2269 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2270 2271 if (stcb) { 2272 left = (*optsize) - sizeof(struct sctp_getaddresses); 2273 *optsize = sizeof(struct sctp_getaddresses); 2274 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2275 2276 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2277 switch (net->ro._l_addr.sa.sa_family) { 2278 #ifdef INET 2279 case AF_INET: 2280 #ifdef INET6 2281 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2282 cpsz = sizeof(struct sockaddr_in6); 2283 } else { 2284 cpsz = sizeof(struct sockaddr_in); 2285 } 2286 #else 2287 cpsz = sizeof(struct sockaddr_in); 2288 #endif 2289 break; 2290 #endif 2291 #ifdef INET6 2292 case AF_INET6: 2293 cpsz = sizeof(struct sockaddr_in6); 2294 break; 2295 #endif 2296 default: 2297 cpsz = 0; 2298 break; 2299 } 2300 if (cpsz == 0) { 2301 break; 2302 } 2303 if (left < cpsz) { 2304 /* not enough room. */ 2305 break; 2306 } 2307 #if defined(INET) && defined(INET6) 2308 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2309 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2310 /* Must map the address */ 2311 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2312 (struct sockaddr_in6 *)sas); 2313 } else { 2314 memcpy(sas, &net->ro._l_addr, cpsz); 2315 } 2316 #else 2317 memcpy(sas, &net->ro._l_addr, cpsz); 2318 #endif 2319 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2320 2321 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2322 left -= cpsz; 2323 *optsize += cpsz; 2324 } 2325 SCTP_TCB_UNLOCK(stcb); 2326 } else { 2327 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2328 error = ENOENT; 2329 } 2330 break; 2331 } 2332 case SCTP_GET_LOCAL_ADDRESSES: 2333 { 2334 size_t limit, actual; 2335 struct sockaddr_storage *sas; 2336 struct sctp_getaddresses *saddr; 2337 2338 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2339 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2340 2341 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2342 limit = *optsize - sizeof(sctp_assoc_t); 2343 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2344 if (stcb) { 2345 SCTP_TCB_UNLOCK(stcb); 2346 } 2347 *optsize = sizeof(struct sockaddr_storage) + actual; 2348 break; 2349 } 2350 case SCTP_PEER_ADDR_PARAMS: 2351 { 2352 struct sctp_paddrparams *paddrp; 2353 struct sctp_nets *net; 2354 struct sockaddr *addr; 2355 2356 #if defined(INET) && defined(INET6) 2357 struct sockaddr_in sin_store; 2358 2359 #endif 2360 2361 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2362 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2363 2364 #if defined(INET) && defined(INET6) 2365 if (paddrp->spp_address.ss_family == AF_INET6) { 2366 struct sockaddr_in6 *sin6; 2367 2368 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2369 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2370 in6_sin6_2_sin(&sin_store, sin6); 2371 addr = (struct sockaddr *)&sin_store; 2372 } else { 2373 addr = (struct sockaddr *)&paddrp->spp_address; 2374 } 2375 } else { 2376 addr = (struct sockaddr *)&paddrp->spp_address; 2377 } 2378 #else 2379 addr = (struct sockaddr *)&paddrp->spp_address; 2380 #endif 2381 if (stcb != NULL) { 2382 net = sctp_findnet(stcb, addr); 2383 } else { 2384 /* 2385 * We increment here since 2386 * sctp_findassociation_ep_addr() wil do a 2387 * decrement if it finds the stcb as long as 2388 * the locked tcb (last argument) is NOT a 2389 * TCB.. aka NULL. 2390 */ 2391 net = NULL; 2392 SCTP_INP_INCR_REF(inp); 2393 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2394 if (stcb == NULL) { 2395 SCTP_INP_DECR_REF(inp); 2396 } 2397 } 2398 if ((stcb != NULL) && (net == NULL)) { 2399 #ifdef INET 2400 if (addr->sa_family == AF_INET) { 2401 struct sockaddr_in *sin; 2402 2403 sin = (struct sockaddr_in *)addr; 2404 if (sin->sin_addr.s_addr != INADDR_ANY) { 2405 error = EINVAL; 2406 SCTP_TCB_UNLOCK(stcb); 2407 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2408 break; 2409 } 2410 } else 2411 #endif 2412 #ifdef INET6 2413 if (addr->sa_family == AF_INET6) { 2414 struct sockaddr_in6 *sin6; 2415 2416 sin6 = (struct sockaddr_in6 *)addr; 2417 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2418 error = EINVAL; 2419 SCTP_TCB_UNLOCK(stcb); 2420 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2421 break; 2422 } 2423 } else 2424 #endif 2425 { 2426 error = EAFNOSUPPORT; 2427 SCTP_TCB_UNLOCK(stcb); 2428 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2429 break; 2430 } 2431 } 2432 if (stcb != NULL) { 2433 /* Applies to the specific association */ 2434 paddrp->spp_flags = 0; 2435 if (net != NULL) { 2436 paddrp->spp_hbinterval = net->heart_beat_delay; 2437 paddrp->spp_pathmaxrxt = net->failure_threshold; 2438 paddrp->spp_pathmtu = net->mtu; 2439 switch (net->ro._l_addr.sa.sa_family) { 2440 #ifdef INET 2441 case AF_INET: 2442 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2443 break; 2444 #endif 2445 #ifdef INET6 2446 case AF_INET6: 2447 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2448 break; 2449 #endif 2450 default: 2451 break; 2452 } 2453 /* get flags for HB */ 2454 if (net->dest_state & SCTP_ADDR_NOHB) { 2455 paddrp->spp_flags |= SPP_HB_DISABLE; 2456 } else { 2457 paddrp->spp_flags |= SPP_HB_ENABLE; 2458 } 2459 /* get flags for PMTU */ 2460 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2461 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2462 } else { 2463 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2464 } 2465 if (net->dscp & 0x01) { 2466 paddrp->spp_dscp = net->dscp & 0xfc; 2467 paddrp->spp_flags |= SPP_DSCP; 2468 } 2469 #ifdef INET6 2470 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2471 (net->flowlabel & 0x80000000)) { 2472 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2473 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2474 } 2475 #endif 2476 } else { 2477 /* 2478 * No destination so return default 2479 * value 2480 */ 2481 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2482 paddrp->spp_pathmtu = 0; 2483 if (stcb->asoc.default_dscp & 0x01) { 2484 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2485 paddrp->spp_flags |= SPP_DSCP; 2486 } 2487 #ifdef INET6 2488 if (stcb->asoc.default_flowlabel & 0x80000000) { 2489 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2490 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2491 } 2492 #endif 2493 /* default settings should be these */ 2494 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2495 paddrp->spp_flags |= SPP_HB_DISABLE; 2496 } else { 2497 paddrp->spp_flags |= SPP_HB_ENABLE; 2498 } 2499 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2500 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2501 } else { 2502 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2503 } 2504 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2505 } 2506 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2507 SCTP_TCB_UNLOCK(stcb); 2508 } else { 2509 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2510 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2511 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 2512 /* Use endpoint defaults */ 2513 SCTP_INP_RLOCK(inp); 2514 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2515 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2516 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2517 /* get inp's default */ 2518 if (inp->sctp_ep.default_dscp & 0x01) { 2519 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2520 paddrp->spp_flags |= SPP_DSCP; 2521 } 2522 #ifdef INET6 2523 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2524 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2525 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2526 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2527 } 2528 #endif 2529 /* can't return this */ 2530 paddrp->spp_pathmtu = 0; 2531 2532 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2533 paddrp->spp_flags |= SPP_HB_ENABLE; 2534 } else { 2535 paddrp->spp_flags |= SPP_HB_DISABLE; 2536 } 2537 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2538 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2539 } else { 2540 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2541 } 2542 SCTP_INP_RUNLOCK(inp); 2543 } else { 2544 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2545 error = EINVAL; 2546 } 2547 } 2548 if (error == 0) { 2549 *optsize = sizeof(struct sctp_paddrparams); 2550 } 2551 break; 2552 } 2553 case SCTP_GET_PEER_ADDR_INFO: 2554 { 2555 struct sctp_paddrinfo *paddri; 2556 struct sctp_nets *net; 2557 struct sockaddr *addr; 2558 2559 #if defined(INET) && defined(INET6) 2560 struct sockaddr_in sin_store; 2561 2562 #endif 2563 2564 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2565 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2566 2567 #if defined(INET) && defined(INET6) 2568 if (paddri->spinfo_address.ss_family == AF_INET6) { 2569 struct sockaddr_in6 *sin6; 2570 2571 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2572 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2573 in6_sin6_2_sin(&sin_store, sin6); 2574 addr = (struct sockaddr *)&sin_store; 2575 } else { 2576 addr = (struct sockaddr *)&paddri->spinfo_address; 2577 } 2578 } else { 2579 addr = (struct sockaddr *)&paddri->spinfo_address; 2580 } 2581 #else 2582 addr = (struct sockaddr *)&paddri->spinfo_address; 2583 #endif 2584 if (stcb != NULL) { 2585 net = sctp_findnet(stcb, addr); 2586 } else { 2587 /* 2588 * We increment here since 2589 * sctp_findassociation_ep_addr() wil do a 2590 * decrement if it finds the stcb as long as 2591 * the locked tcb (last argument) is NOT a 2592 * TCB.. aka NULL. 2593 */ 2594 net = NULL; 2595 SCTP_INP_INCR_REF(inp); 2596 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2597 if (stcb == NULL) { 2598 SCTP_INP_DECR_REF(inp); 2599 } 2600 } 2601 2602 if ((stcb != NULL) && (net != NULL)) { 2603 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2604 /* It's unconfirmed */ 2605 paddri->spinfo_state = SCTP_UNCONFIRMED; 2606 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2607 /* It's active */ 2608 paddri->spinfo_state = SCTP_ACTIVE; 2609 } else { 2610 /* It's inactive */ 2611 paddri->spinfo_state = SCTP_INACTIVE; 2612 } 2613 paddri->spinfo_cwnd = net->cwnd; 2614 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2615 paddri->spinfo_rto = net->RTO; 2616 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2617 paddri->spinfo_mtu = net->mtu; 2618 switch (addr->sa_family) { 2619 #if defined(INET) 2620 case AF_INET: 2621 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2622 break; 2623 #endif 2624 #if defined(INET6) 2625 case AF_INET6: 2626 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD; 2627 break; 2628 #endif 2629 default: 2630 break; 2631 } 2632 SCTP_TCB_UNLOCK(stcb); 2633 *optsize = sizeof(struct sctp_paddrinfo); 2634 } else { 2635 if (stcb != NULL) { 2636 SCTP_TCB_UNLOCK(stcb); 2637 } 2638 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2639 error = ENOENT; 2640 } 2641 break; 2642 } 2643 case SCTP_PCB_STATUS: 2644 { 2645 struct sctp_pcbinfo *spcb; 2646 2647 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2648 sctp_fill_pcbinfo(spcb); 2649 *optsize = sizeof(struct sctp_pcbinfo); 2650 break; 2651 } 2652 case SCTP_STATUS: 2653 { 2654 struct sctp_nets *net; 2655 struct sctp_status *sstat; 2656 2657 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2658 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2659 2660 if (stcb == NULL) { 2661 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2662 error = EINVAL; 2663 break; 2664 } 2665 sstat->sstat_state = sctp_map_assoc_state(stcb->asoc.state); 2666 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2667 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2668 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2669 /* 2670 * We can't include chunks that have been passed to 2671 * the socket layer. Only things in queue. 2672 */ 2673 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2674 stcb->asoc.cnt_on_all_streams); 2675 2676 2677 sstat->sstat_instrms = stcb->asoc.streamincnt; 2678 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2679 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2680 memcpy(&sstat->sstat_primary.spinfo_address, 2681 &stcb->asoc.primary_destination->ro._l_addr, 2682 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2683 net = stcb->asoc.primary_destination; 2684 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2685 /* 2686 * Again the user can get info from sctp_constants.h 2687 * for what the state of the network is. 2688 */ 2689 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2690 /* It's unconfirmed */ 2691 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2692 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2693 /* It's active */ 2694 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2695 } else { 2696 /* It's inactive */ 2697 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2698 } 2699 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2700 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2701 sstat->sstat_primary.spinfo_rto = net->RTO; 2702 sstat->sstat_primary.spinfo_mtu = net->mtu; 2703 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) { 2704 #if defined(INET) 2705 case AF_INET: 2706 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2707 break; 2708 #endif 2709 #if defined(INET6) 2710 case AF_INET6: 2711 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD; 2712 break; 2713 #endif 2714 default: 2715 break; 2716 } 2717 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2718 SCTP_TCB_UNLOCK(stcb); 2719 *optsize = sizeof(struct sctp_status); 2720 break; 2721 } 2722 case SCTP_RTOINFO: 2723 { 2724 struct sctp_rtoinfo *srto; 2725 2726 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2727 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2728 2729 if (stcb) { 2730 srto->srto_initial = stcb->asoc.initial_rto; 2731 srto->srto_max = stcb->asoc.maxrto; 2732 srto->srto_min = stcb->asoc.minrto; 2733 SCTP_TCB_UNLOCK(stcb); 2734 } else { 2735 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2736 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2737 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2738 SCTP_INP_RLOCK(inp); 2739 srto->srto_initial = inp->sctp_ep.initial_rto; 2740 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2741 srto->srto_min = inp->sctp_ep.sctp_minrto; 2742 SCTP_INP_RUNLOCK(inp); 2743 } else { 2744 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2745 error = EINVAL; 2746 } 2747 } 2748 if (error == 0) { 2749 *optsize = sizeof(struct sctp_rtoinfo); 2750 } 2751 break; 2752 } 2753 case SCTP_TIMEOUTS: 2754 { 2755 struct sctp_timeouts *stimo; 2756 2757 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2758 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2759 2760 if (stcb) { 2761 stimo->stimo_init = stcb->asoc.timoinit; 2762 stimo->stimo_data = stcb->asoc.timodata; 2763 stimo->stimo_sack = stcb->asoc.timosack; 2764 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2765 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2766 stimo->stimo_cookie = stcb->asoc.timocookie; 2767 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2768 SCTP_TCB_UNLOCK(stcb); 2769 *optsize = sizeof(struct sctp_timeouts); 2770 } else { 2771 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2772 error = EINVAL; 2773 } 2774 break; 2775 } 2776 case SCTP_ASSOCINFO: 2777 { 2778 struct sctp_assocparams *sasoc; 2779 2780 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2781 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2782 2783 if (stcb) { 2784 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2785 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2786 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2787 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2788 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2789 SCTP_TCB_UNLOCK(stcb); 2790 } else { 2791 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2792 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2793 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2794 SCTP_INP_RLOCK(inp); 2795 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2796 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2797 sasoc->sasoc_number_peer_destinations = 0; 2798 sasoc->sasoc_peer_rwnd = 0; 2799 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2800 SCTP_INP_RUNLOCK(inp); 2801 } else { 2802 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2803 error = EINVAL; 2804 } 2805 } 2806 if (error == 0) { 2807 *optsize = sizeof(struct sctp_assocparams); 2808 } 2809 break; 2810 } 2811 case SCTP_DEFAULT_SEND_PARAM: 2812 { 2813 struct sctp_sndrcvinfo *s_info; 2814 2815 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2816 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2817 2818 if (stcb) { 2819 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2820 SCTP_TCB_UNLOCK(stcb); 2821 } else { 2822 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2823 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2824 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2825 SCTP_INP_RLOCK(inp); 2826 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2827 SCTP_INP_RUNLOCK(inp); 2828 } else { 2829 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2830 error = EINVAL; 2831 } 2832 } 2833 if (error == 0) { 2834 *optsize = sizeof(struct sctp_sndrcvinfo); 2835 } 2836 break; 2837 } 2838 case SCTP_INITMSG: 2839 { 2840 struct sctp_initmsg *sinit; 2841 2842 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2843 SCTP_INP_RLOCK(inp); 2844 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2845 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2846 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2847 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2848 SCTP_INP_RUNLOCK(inp); 2849 *optsize = sizeof(struct sctp_initmsg); 2850 break; 2851 } 2852 case SCTP_PRIMARY_ADDR: 2853 /* we allow a "get" operation on this */ 2854 { 2855 struct sctp_setprim *ssp; 2856 2857 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2858 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2859 2860 if (stcb) { 2861 union sctp_sockstore *addr; 2862 2863 addr = &stcb->asoc.primary_destination->ro._l_addr; 2864 switch (addr->sa.sa_family) { 2865 #ifdef INET 2866 case AF_INET: 2867 #ifdef INET6 2868 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2869 in6_sin_2_v4mapsin6(&addr->sin, 2870 (struct sockaddr_in6 *)&ssp->ssp_addr); 2871 } else { 2872 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2873 } 2874 #else 2875 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2876 #endif 2877 break; 2878 #endif 2879 #ifdef INET6 2880 case AF_INET6: 2881 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2882 break; 2883 #endif 2884 default: 2885 break; 2886 } 2887 SCTP_TCB_UNLOCK(stcb); 2888 *optsize = sizeof(struct sctp_setprim); 2889 } else { 2890 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2891 error = EINVAL; 2892 } 2893 break; 2894 } 2895 case SCTP_HMAC_IDENT: 2896 { 2897 struct sctp_hmacalgo *shmac; 2898 sctp_hmaclist_t *hmaclist; 2899 uint32_t size; 2900 int i; 2901 2902 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2903 2904 SCTP_INP_RLOCK(inp); 2905 hmaclist = inp->sctp_ep.local_hmacs; 2906 if (hmaclist == NULL) { 2907 /* no HMACs to return */ 2908 *optsize = sizeof(*shmac); 2909 SCTP_INP_RUNLOCK(inp); 2910 break; 2911 } 2912 /* is there room for all of the hmac ids? */ 2913 size = sizeof(*shmac) + (hmaclist->num_algo * 2914 sizeof(shmac->shmac_idents[0])); 2915 if ((size_t)(*optsize) < size) { 2916 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2917 error = EINVAL; 2918 SCTP_INP_RUNLOCK(inp); 2919 break; 2920 } 2921 /* copy in the list */ 2922 shmac->shmac_number_of_idents = hmaclist->num_algo; 2923 for (i = 0; i < hmaclist->num_algo; i++) { 2924 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2925 } 2926 SCTP_INP_RUNLOCK(inp); 2927 *optsize = size; 2928 break; 2929 } 2930 case SCTP_AUTH_ACTIVE_KEY: 2931 { 2932 struct sctp_authkeyid *scact; 2933 2934 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2935 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2936 2937 if (stcb) { 2938 /* get the active key on the assoc */ 2939 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2940 SCTP_TCB_UNLOCK(stcb); 2941 } else { 2942 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2943 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2944 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2945 /* get the endpoint active key */ 2946 SCTP_INP_RLOCK(inp); 2947 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2948 SCTP_INP_RUNLOCK(inp); 2949 } else { 2950 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2951 error = EINVAL; 2952 } 2953 } 2954 if (error == 0) { 2955 *optsize = sizeof(struct sctp_authkeyid); 2956 } 2957 break; 2958 } 2959 case SCTP_LOCAL_AUTH_CHUNKS: 2960 { 2961 struct sctp_authchunks *sac; 2962 sctp_auth_chklist_t *chklist = NULL; 2963 size_t size = 0; 2964 2965 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2966 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2967 2968 if (stcb) { 2969 /* get off the assoc */ 2970 chklist = stcb->asoc.local_auth_chunks; 2971 /* is there enough space? */ 2972 size = sctp_auth_get_chklist_size(chklist); 2973 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2974 error = EINVAL; 2975 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2976 } else { 2977 /* copy in the chunks */ 2978 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2979 sac->gauth_number_of_chunks = (uint32_t) size; 2980 *optsize = sizeof(struct sctp_authchunks) + size; 2981 } 2982 SCTP_TCB_UNLOCK(stcb); 2983 } else { 2984 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2985 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2986 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 2987 /* get off the endpoint */ 2988 SCTP_INP_RLOCK(inp); 2989 chklist = inp->sctp_ep.local_auth_chunks; 2990 /* is there enough space? */ 2991 size = sctp_auth_get_chklist_size(chklist); 2992 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2993 error = EINVAL; 2994 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2995 } else { 2996 /* copy in the chunks */ 2997 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2998 sac->gauth_number_of_chunks = (uint32_t) size; 2999 *optsize = sizeof(struct sctp_authchunks) + size; 3000 } 3001 SCTP_INP_RUNLOCK(inp); 3002 } else { 3003 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3004 error = EINVAL; 3005 } 3006 } 3007 break; 3008 } 3009 case SCTP_PEER_AUTH_CHUNKS: 3010 { 3011 struct sctp_authchunks *sac; 3012 sctp_auth_chklist_t *chklist = NULL; 3013 size_t size = 0; 3014 3015 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 3016 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 3017 3018 if (stcb) { 3019 /* get off the assoc */ 3020 chklist = stcb->asoc.peer_auth_chunks; 3021 /* is there enough space? */ 3022 size = sctp_auth_get_chklist_size(chklist); 3023 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 3024 error = EINVAL; 3025 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3026 } else { 3027 /* copy in the chunks */ 3028 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 3029 sac->gauth_number_of_chunks = (uint32_t) size; 3030 *optsize = sizeof(struct sctp_authchunks) + size; 3031 } 3032 SCTP_TCB_UNLOCK(stcb); 3033 } else { 3034 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 3035 error = ENOENT; 3036 } 3037 break; 3038 } 3039 case SCTP_EVENT: 3040 { 3041 struct sctp_event *event; 3042 uint32_t event_type; 3043 3044 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 3045 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 3046 3047 switch (event->se_type) { 3048 case SCTP_ASSOC_CHANGE: 3049 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 3050 break; 3051 case SCTP_PEER_ADDR_CHANGE: 3052 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3053 break; 3054 case SCTP_REMOTE_ERROR: 3055 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3056 break; 3057 case SCTP_SEND_FAILED: 3058 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3059 break; 3060 case SCTP_SHUTDOWN_EVENT: 3061 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3062 break; 3063 case SCTP_ADAPTATION_INDICATION: 3064 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3065 break; 3066 case SCTP_PARTIAL_DELIVERY_EVENT: 3067 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3068 break; 3069 case SCTP_AUTHENTICATION_EVENT: 3070 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3071 break; 3072 case SCTP_STREAM_RESET_EVENT: 3073 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3074 break; 3075 case SCTP_SENDER_DRY_EVENT: 3076 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3077 break; 3078 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3079 event_type = 0; 3080 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3081 error = ENOTSUP; 3082 break; 3083 case SCTP_ASSOC_RESET_EVENT: 3084 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3085 break; 3086 case SCTP_STREAM_CHANGE_EVENT: 3087 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3088 break; 3089 case SCTP_SEND_FAILED_EVENT: 3090 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3091 break; 3092 default: 3093 event_type = 0; 3094 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3095 error = EINVAL; 3096 break; 3097 } 3098 if (event_type > 0) { 3099 if (stcb) { 3100 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 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 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 3106 SCTP_INP_RLOCK(inp); 3107 event->se_on = sctp_is_feature_on(inp, event_type); 3108 SCTP_INP_RUNLOCK(inp); 3109 } else { 3110 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3111 error = EINVAL; 3112 } 3113 } 3114 } 3115 if (error == 0) { 3116 *optsize = sizeof(struct sctp_event); 3117 } 3118 break; 3119 } 3120 case SCTP_RECVRCVINFO: 3121 { 3122 int onoff; 3123 3124 if (*optsize < sizeof(int)) { 3125 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3126 error = EINVAL; 3127 } else { 3128 SCTP_INP_RLOCK(inp); 3129 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3130 SCTP_INP_RUNLOCK(inp); 3131 } 3132 if (error == 0) { 3133 /* return the option value */ 3134 *(int *)optval = onoff; 3135 *optsize = sizeof(int); 3136 } 3137 break; 3138 } 3139 case SCTP_RECVNXTINFO: 3140 { 3141 int onoff; 3142 3143 if (*optsize < sizeof(int)) { 3144 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3145 error = EINVAL; 3146 } else { 3147 SCTP_INP_RLOCK(inp); 3148 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3149 SCTP_INP_RUNLOCK(inp); 3150 } 3151 if (error == 0) { 3152 /* return the option value */ 3153 *(int *)optval = onoff; 3154 *optsize = sizeof(int); 3155 } 3156 break; 3157 } 3158 case SCTP_DEFAULT_SNDINFO: 3159 { 3160 struct sctp_sndinfo *info; 3161 3162 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3163 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3164 3165 if (stcb) { 3166 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3167 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3168 info->snd_flags &= 0xfff0; 3169 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3170 info->snd_context = stcb->asoc.def_send.sinfo_context; 3171 SCTP_TCB_UNLOCK(stcb); 3172 } else { 3173 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3174 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3175 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3176 SCTP_INP_RLOCK(inp); 3177 info->snd_sid = inp->def_send.sinfo_stream; 3178 info->snd_flags = inp->def_send.sinfo_flags; 3179 info->snd_flags &= 0xfff0; 3180 info->snd_ppid = inp->def_send.sinfo_ppid; 3181 info->snd_context = inp->def_send.sinfo_context; 3182 SCTP_INP_RUNLOCK(inp); 3183 } else { 3184 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3185 error = EINVAL; 3186 } 3187 } 3188 if (error == 0) { 3189 *optsize = sizeof(struct sctp_sndinfo); 3190 } 3191 break; 3192 } 3193 case SCTP_DEFAULT_PRINFO: 3194 { 3195 struct sctp_default_prinfo *info; 3196 3197 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3198 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3199 3200 if (stcb) { 3201 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3202 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3203 SCTP_TCB_UNLOCK(stcb); 3204 } else { 3205 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3206 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3207 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3208 SCTP_INP_RLOCK(inp); 3209 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3210 info->pr_value = inp->def_send.sinfo_timetolive; 3211 SCTP_INP_RUNLOCK(inp); 3212 } else { 3213 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3214 error = EINVAL; 3215 } 3216 } 3217 if (error == 0) { 3218 *optsize = sizeof(struct sctp_default_prinfo); 3219 } 3220 break; 3221 } 3222 case SCTP_PEER_ADDR_THLDS: 3223 { 3224 struct sctp_paddrthlds *thlds; 3225 struct sctp_nets *net; 3226 struct sockaddr *addr; 3227 3228 #if defined(INET) && defined(INET6) 3229 struct sockaddr_in sin_store; 3230 3231 #endif 3232 3233 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3234 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3235 3236 #if defined(INET) && defined(INET6) 3237 if (thlds->spt_address.ss_family == AF_INET6) { 3238 struct sockaddr_in6 *sin6; 3239 3240 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3241 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3242 in6_sin6_2_sin(&sin_store, sin6); 3243 addr = (struct sockaddr *)&sin_store; 3244 } else { 3245 addr = (struct sockaddr *)&thlds->spt_address; 3246 } 3247 } else { 3248 addr = (struct sockaddr *)&thlds->spt_address; 3249 } 3250 #else 3251 addr = (struct sockaddr *)&thlds->spt_address; 3252 #endif 3253 if (stcb != NULL) { 3254 net = sctp_findnet(stcb, addr); 3255 } else { 3256 /* 3257 * We increment here since 3258 * sctp_findassociation_ep_addr() wil do a 3259 * decrement if it finds the stcb as long as 3260 * the locked tcb (last argument) is NOT a 3261 * TCB.. aka NULL. 3262 */ 3263 net = NULL; 3264 SCTP_INP_INCR_REF(inp); 3265 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3266 if (stcb == NULL) { 3267 SCTP_INP_DECR_REF(inp); 3268 } 3269 } 3270 if ((stcb != NULL) && (net == NULL)) { 3271 #ifdef INET 3272 if (addr->sa_family == AF_INET) { 3273 struct sockaddr_in *sin; 3274 3275 sin = (struct sockaddr_in *)addr; 3276 if (sin->sin_addr.s_addr != INADDR_ANY) { 3277 error = EINVAL; 3278 SCTP_TCB_UNLOCK(stcb); 3279 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3280 break; 3281 } 3282 } else 3283 #endif 3284 #ifdef INET6 3285 if (addr->sa_family == AF_INET6) { 3286 struct sockaddr_in6 *sin6; 3287 3288 sin6 = (struct sockaddr_in6 *)addr; 3289 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3290 error = EINVAL; 3291 SCTP_TCB_UNLOCK(stcb); 3292 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3293 break; 3294 } 3295 } else 3296 #endif 3297 { 3298 error = EAFNOSUPPORT; 3299 SCTP_TCB_UNLOCK(stcb); 3300 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3301 break; 3302 } 3303 } 3304 if (stcb != NULL) { 3305 if (net != NULL) { 3306 thlds->spt_pathmaxrxt = net->failure_threshold; 3307 thlds->spt_pathpfthld = net->pf_threshold; 3308 thlds->spt_pathcpthld = 0xffff; 3309 } else { 3310 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3311 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3312 thlds->spt_pathcpthld = 0xffff; 3313 } 3314 thlds->spt_assoc_id = sctp_get_associd(stcb); 3315 SCTP_TCB_UNLOCK(stcb); 3316 } else { 3317 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3318 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3319 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3320 /* Use endpoint defaults */ 3321 SCTP_INP_RLOCK(inp); 3322 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3323 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3324 thlds->spt_pathcpthld = 0xffff; 3325 SCTP_INP_RUNLOCK(inp); 3326 } else { 3327 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3328 error = EINVAL; 3329 } 3330 } 3331 if (error == 0) { 3332 *optsize = sizeof(struct sctp_paddrthlds); 3333 } 3334 break; 3335 } 3336 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3337 { 3338 struct sctp_udpencaps *encaps; 3339 struct sctp_nets *net; 3340 struct sockaddr *addr; 3341 3342 #if defined(INET) && defined(INET6) 3343 struct sockaddr_in sin_store; 3344 3345 #endif 3346 3347 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3348 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3349 3350 #if defined(INET) && defined(INET6) 3351 if (encaps->sue_address.ss_family == AF_INET6) { 3352 struct sockaddr_in6 *sin6; 3353 3354 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3355 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3356 in6_sin6_2_sin(&sin_store, sin6); 3357 addr = (struct sockaddr *)&sin_store; 3358 } else { 3359 addr = (struct sockaddr *)&encaps->sue_address; 3360 } 3361 } else { 3362 addr = (struct sockaddr *)&encaps->sue_address; 3363 } 3364 #else 3365 addr = (struct sockaddr *)&encaps->sue_address; 3366 #endif 3367 if (stcb) { 3368 net = sctp_findnet(stcb, addr); 3369 } else { 3370 /* 3371 * We increment here since 3372 * sctp_findassociation_ep_addr() wil do a 3373 * decrement if it finds the stcb as long as 3374 * the locked tcb (last argument) is NOT a 3375 * TCB.. aka NULL. 3376 */ 3377 net = NULL; 3378 SCTP_INP_INCR_REF(inp); 3379 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3380 if (stcb == NULL) { 3381 SCTP_INP_DECR_REF(inp); 3382 } 3383 } 3384 if ((stcb != NULL) && (net == NULL)) { 3385 #ifdef INET 3386 if (addr->sa_family == AF_INET) { 3387 struct sockaddr_in *sin; 3388 3389 sin = (struct sockaddr_in *)addr; 3390 if (sin->sin_addr.s_addr != INADDR_ANY) { 3391 error = EINVAL; 3392 SCTP_TCB_UNLOCK(stcb); 3393 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3394 break; 3395 } 3396 } else 3397 #endif 3398 #ifdef INET6 3399 if (addr->sa_family == AF_INET6) { 3400 struct sockaddr_in6 *sin6; 3401 3402 sin6 = (struct sockaddr_in6 *)addr; 3403 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3404 error = EINVAL; 3405 SCTP_TCB_UNLOCK(stcb); 3406 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3407 break; 3408 } 3409 } else 3410 #endif 3411 { 3412 error = EAFNOSUPPORT; 3413 SCTP_TCB_UNLOCK(stcb); 3414 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3415 break; 3416 } 3417 } 3418 if (stcb != NULL) { 3419 if (net) { 3420 encaps->sue_port = net->port; 3421 } else { 3422 encaps->sue_port = stcb->asoc.port; 3423 } 3424 SCTP_TCB_UNLOCK(stcb); 3425 } else { 3426 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3427 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3428 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3429 SCTP_INP_RLOCK(inp); 3430 encaps->sue_port = inp->sctp_ep.port; 3431 SCTP_INP_RUNLOCK(inp); 3432 } else { 3433 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3434 error = EINVAL; 3435 } 3436 } 3437 if (error == 0) { 3438 *optsize = sizeof(struct sctp_udpencaps); 3439 } 3440 break; 3441 } 3442 case SCTP_ECN_SUPPORTED: 3443 { 3444 struct sctp_assoc_value *av; 3445 3446 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3447 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3448 3449 if (stcb) { 3450 av->assoc_value = stcb->asoc.ecn_supported; 3451 SCTP_TCB_UNLOCK(stcb); 3452 } else { 3453 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3454 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3455 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3456 SCTP_INP_RLOCK(inp); 3457 av->assoc_value = inp->ecn_supported; 3458 SCTP_INP_RUNLOCK(inp); 3459 } else { 3460 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3461 error = EINVAL; 3462 } 3463 } 3464 if (error == 0) { 3465 *optsize = sizeof(struct sctp_assoc_value); 3466 } 3467 break; 3468 } 3469 case SCTP_PR_SUPPORTED: 3470 { 3471 struct sctp_assoc_value *av; 3472 3473 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3474 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3475 3476 if (stcb) { 3477 av->assoc_value = stcb->asoc.prsctp_supported; 3478 SCTP_TCB_UNLOCK(stcb); 3479 } else { 3480 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3481 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3482 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3483 SCTP_INP_RLOCK(inp); 3484 av->assoc_value = inp->prsctp_supported; 3485 SCTP_INP_RUNLOCK(inp); 3486 } else { 3487 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3488 error = EINVAL; 3489 } 3490 } 3491 if (error == 0) { 3492 *optsize = sizeof(struct sctp_assoc_value); 3493 } 3494 break; 3495 } 3496 case SCTP_AUTH_SUPPORTED: 3497 { 3498 struct sctp_assoc_value *av; 3499 3500 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3501 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3502 3503 if (stcb) { 3504 av->assoc_value = stcb->asoc.auth_supported; 3505 SCTP_TCB_UNLOCK(stcb); 3506 } else { 3507 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3508 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3509 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3510 SCTP_INP_RLOCK(inp); 3511 av->assoc_value = inp->auth_supported; 3512 SCTP_INP_RUNLOCK(inp); 3513 } else { 3514 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3515 error = EINVAL; 3516 } 3517 } 3518 if (error == 0) { 3519 *optsize = sizeof(struct sctp_assoc_value); 3520 } 3521 break; 3522 } 3523 case SCTP_ASCONF_SUPPORTED: 3524 { 3525 struct sctp_assoc_value *av; 3526 3527 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3528 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3529 3530 if (stcb) { 3531 av->assoc_value = stcb->asoc.asconf_supported; 3532 SCTP_TCB_UNLOCK(stcb); 3533 } else { 3534 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3535 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3536 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3537 SCTP_INP_RLOCK(inp); 3538 av->assoc_value = inp->asconf_supported; 3539 SCTP_INP_RUNLOCK(inp); 3540 } else { 3541 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3542 error = EINVAL; 3543 } 3544 } 3545 if (error == 0) { 3546 *optsize = sizeof(struct sctp_assoc_value); 3547 } 3548 break; 3549 } 3550 case SCTP_RECONFIG_SUPPORTED: 3551 { 3552 struct sctp_assoc_value *av; 3553 3554 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3555 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3556 3557 if (stcb) { 3558 av->assoc_value = stcb->asoc.reconfig_supported; 3559 SCTP_TCB_UNLOCK(stcb); 3560 } else { 3561 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3562 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3563 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3564 SCTP_INP_RLOCK(inp); 3565 av->assoc_value = inp->reconfig_supported; 3566 SCTP_INP_RUNLOCK(inp); 3567 } else { 3568 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3569 error = EINVAL; 3570 } 3571 } 3572 if (error == 0) { 3573 *optsize = sizeof(struct sctp_assoc_value); 3574 } 3575 break; 3576 } 3577 case SCTP_NRSACK_SUPPORTED: 3578 { 3579 struct sctp_assoc_value *av; 3580 3581 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3582 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3583 3584 if (stcb) { 3585 av->assoc_value = stcb->asoc.nrsack_supported; 3586 SCTP_TCB_UNLOCK(stcb); 3587 } else { 3588 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3589 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3590 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3591 SCTP_INP_RLOCK(inp); 3592 av->assoc_value = inp->nrsack_supported; 3593 SCTP_INP_RUNLOCK(inp); 3594 } else { 3595 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3596 error = EINVAL; 3597 } 3598 } 3599 if (error == 0) { 3600 *optsize = sizeof(struct sctp_assoc_value); 3601 } 3602 break; 3603 } 3604 case SCTP_PKTDROP_SUPPORTED: 3605 { 3606 struct sctp_assoc_value *av; 3607 3608 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3609 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3610 3611 if (stcb) { 3612 av->assoc_value = stcb->asoc.pktdrop_supported; 3613 SCTP_TCB_UNLOCK(stcb); 3614 } else { 3615 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3616 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3617 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3618 SCTP_INP_RLOCK(inp); 3619 av->assoc_value = inp->pktdrop_supported; 3620 SCTP_INP_RUNLOCK(inp); 3621 } else { 3622 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3623 error = EINVAL; 3624 } 3625 } 3626 if (error == 0) { 3627 *optsize = sizeof(struct sctp_assoc_value); 3628 } 3629 break; 3630 } 3631 case SCTP_ENABLE_STREAM_RESET: 3632 { 3633 struct sctp_assoc_value *av; 3634 3635 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3636 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3637 3638 if (stcb) { 3639 av->assoc_value = (uint32_t) stcb->asoc.local_strreset_support; 3640 SCTP_TCB_UNLOCK(stcb); 3641 } else { 3642 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3643 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3644 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3645 SCTP_INP_RLOCK(inp); 3646 av->assoc_value = (uint32_t) inp->local_strreset_support; 3647 SCTP_INP_RUNLOCK(inp); 3648 } else { 3649 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3650 error = EINVAL; 3651 } 3652 } 3653 if (error == 0) { 3654 *optsize = sizeof(struct sctp_assoc_value); 3655 } 3656 break; 3657 } 3658 case SCTP_PR_STREAM_STATUS: 3659 { 3660 struct sctp_prstatus *sprstat; 3661 uint16_t sid; 3662 uint16_t policy; 3663 3664 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3665 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3666 3667 sid = sprstat->sprstat_sid; 3668 policy = sprstat->sprstat_policy; 3669 #if defined(SCTP_DETAILED_STR_STATS) 3670 if ((stcb != NULL) && 3671 (sid < stcb->asoc.streamoutcnt) && 3672 (policy != SCTP_PR_SCTP_NONE) && 3673 ((policy <= SCTP_PR_SCTP_MAX) || 3674 (policy == SCTP_PR_SCTP_ALL))) { 3675 if (policy == SCTP_PR_SCTP_ALL) { 3676 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3677 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3678 } else { 3679 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3680 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3681 } 3682 #else 3683 if ((stcb != NULL) && 3684 (sid < stcb->asoc.streamoutcnt) && 3685 (policy == SCTP_PR_SCTP_ALL)) { 3686 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3687 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3688 #endif 3689 SCTP_TCB_UNLOCK(stcb); 3690 *optsize = sizeof(struct sctp_prstatus); 3691 } else { 3692 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3693 error = EINVAL; 3694 } 3695 break; 3696 } 3697 case SCTP_PR_ASSOC_STATUS: 3698 { 3699 struct sctp_prstatus *sprstat; 3700 uint16_t policy; 3701 3702 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3703 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3704 3705 policy = sprstat->sprstat_policy; 3706 if ((stcb != NULL) && 3707 (policy != SCTP_PR_SCTP_NONE) && 3708 ((policy <= SCTP_PR_SCTP_MAX) || 3709 (policy == SCTP_PR_SCTP_ALL))) { 3710 if (policy == SCTP_PR_SCTP_ALL) { 3711 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3712 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3713 } else { 3714 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3715 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3716 } 3717 SCTP_TCB_UNLOCK(stcb); 3718 *optsize = sizeof(struct sctp_prstatus); 3719 } else { 3720 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3721 error = EINVAL; 3722 } 3723 break; 3724 } 3725 case SCTP_MAX_CWND: 3726 { 3727 struct sctp_assoc_value *av; 3728 3729 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3730 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3731 3732 if (stcb) { 3733 av->assoc_value = stcb->asoc.max_cwnd; 3734 SCTP_TCB_UNLOCK(stcb); 3735 } else { 3736 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3737 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3738 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3739 SCTP_INP_RLOCK(inp); 3740 av->assoc_value = inp->max_cwnd; 3741 SCTP_INP_RUNLOCK(inp); 3742 } else { 3743 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3744 error = EINVAL; 3745 } 3746 } 3747 if (error == 0) { 3748 *optsize = sizeof(struct sctp_assoc_value); 3749 } 3750 break; 3751 } 3752 default: 3753 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3754 error = ENOPROTOOPT; 3755 break; 3756 } /* end switch (sopt->sopt_name) */ 3757 if (error) { 3758 *optsize = 0; 3759 } 3760 return (error); 3761 } 3762 3763 static int 3764 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3765 void *p) 3766 { 3767 int error, set_opt; 3768 uint32_t *mopt; 3769 struct sctp_tcb *stcb = NULL; 3770 struct sctp_inpcb *inp = NULL; 3771 uint32_t vrf_id; 3772 3773 if (optval == NULL) { 3774 SCTP_PRINTF("optval is NULL\n"); 3775 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3776 return (EINVAL); 3777 } 3778 inp = (struct sctp_inpcb *)so->so_pcb; 3779 if (inp == NULL) { 3780 SCTP_PRINTF("inp is NULL?\n"); 3781 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3782 return (EINVAL); 3783 } 3784 vrf_id = inp->def_vrf_id; 3785 3786 error = 0; 3787 switch (optname) { 3788 case SCTP_NODELAY: 3789 case SCTP_AUTOCLOSE: 3790 case SCTP_AUTO_ASCONF: 3791 case SCTP_EXPLICIT_EOR: 3792 case SCTP_DISABLE_FRAGMENTS: 3793 case SCTP_USE_EXT_RCVINFO: 3794 case SCTP_I_WANT_MAPPED_V4_ADDR: 3795 /* copy in the option value */ 3796 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3797 set_opt = 0; 3798 if (error) 3799 break; 3800 switch (optname) { 3801 case SCTP_DISABLE_FRAGMENTS: 3802 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3803 break; 3804 case SCTP_AUTO_ASCONF: 3805 /* 3806 * NOTE: we don't really support this flag 3807 */ 3808 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3809 /* only valid for bound all sockets */ 3810 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3811 (*mopt != 0)) { 3812 /* forbidden by admin */ 3813 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3814 return (EPERM); 3815 } 3816 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3817 } else { 3818 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3819 return (EINVAL); 3820 } 3821 break; 3822 case SCTP_EXPLICIT_EOR: 3823 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3824 break; 3825 case SCTP_USE_EXT_RCVINFO: 3826 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3827 break; 3828 case SCTP_I_WANT_MAPPED_V4_ADDR: 3829 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3830 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3831 } else { 3832 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3833 return (EINVAL); 3834 } 3835 break; 3836 case SCTP_NODELAY: 3837 set_opt = SCTP_PCB_FLAGS_NODELAY; 3838 break; 3839 case SCTP_AUTOCLOSE: 3840 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3841 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3842 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3843 return (EINVAL); 3844 } 3845 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3846 /* 3847 * The value is in ticks. Note this does not effect 3848 * old associations, only new ones. 3849 */ 3850 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3851 break; 3852 } 3853 SCTP_INP_WLOCK(inp); 3854 if (*mopt != 0) { 3855 sctp_feature_on(inp, set_opt); 3856 } else { 3857 sctp_feature_off(inp, set_opt); 3858 } 3859 SCTP_INP_WUNLOCK(inp); 3860 break; 3861 case SCTP_REUSE_PORT: 3862 { 3863 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3864 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3865 /* Can't set it after we are bound */ 3866 error = EINVAL; 3867 break; 3868 } 3869 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3870 /* Can't do this for a 1-m socket */ 3871 error = EINVAL; 3872 break; 3873 } 3874 if (optval) 3875 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3876 else 3877 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3878 break; 3879 } 3880 case SCTP_PARTIAL_DELIVERY_POINT: 3881 { 3882 uint32_t *value; 3883 3884 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3885 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3886 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3887 error = EINVAL; 3888 break; 3889 } 3890 inp->partial_delivery_point = *value; 3891 break; 3892 } 3893 case SCTP_FRAGMENT_INTERLEAVE: 3894 /* not yet until we re-write sctp_recvmsg() */ 3895 { 3896 uint32_t *level; 3897 3898 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3899 if (*level == SCTP_FRAG_LEVEL_2) { 3900 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3901 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3902 } else if (*level == SCTP_FRAG_LEVEL_1) { 3903 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3904 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3905 } else if (*level == SCTP_FRAG_LEVEL_0) { 3906 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3907 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3908 3909 } else { 3910 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3911 error = EINVAL; 3912 } 3913 break; 3914 } 3915 case SCTP_INTERLEAVING_SUPPORTED: 3916 { 3917 struct sctp_assoc_value *av; 3918 3919 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3920 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3921 3922 if (stcb) { 3923 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3924 error = EINVAL; 3925 SCTP_TCB_UNLOCK(stcb); 3926 } else { 3927 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3928 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3929 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3930 SCTP_INP_WLOCK(inp); 3931 if (av->assoc_value == 0) { 3932 inp->idata_supported = 0; 3933 } else { 3934 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) && 3935 (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS))) { 3936 inp->idata_supported = 1; 3937 } else { 3938 /* 3939 * Must have Frag 3940 * interleave and 3941 * stream interleave 3942 * on 3943 */ 3944 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3945 error = EINVAL; 3946 } 3947 } 3948 SCTP_INP_WUNLOCK(inp); 3949 } else { 3950 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3951 error = EINVAL; 3952 } 3953 } 3954 break; 3955 } 3956 case SCTP_CMT_ON_OFF: 3957 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3958 struct sctp_assoc_value *av; 3959 3960 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3961 if (av->assoc_value > SCTP_CMT_MAX) { 3962 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3963 error = EINVAL; 3964 break; 3965 } 3966 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3967 if (stcb) { 3968 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3969 SCTP_TCB_UNLOCK(stcb); 3970 } else { 3971 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3972 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3973 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3974 (av->assoc_id == SCTP_ALL_ASSOC)) { 3975 SCTP_INP_WLOCK(inp); 3976 inp->sctp_cmt_on_off = av->assoc_value; 3977 SCTP_INP_WUNLOCK(inp); 3978 } 3979 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3980 (av->assoc_id == SCTP_ALL_ASSOC)) { 3981 SCTP_INP_RLOCK(inp); 3982 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3983 SCTP_TCB_LOCK(stcb); 3984 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3985 SCTP_TCB_UNLOCK(stcb); 3986 } 3987 SCTP_INP_RUNLOCK(inp); 3988 } 3989 } 3990 } else { 3991 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3992 error = ENOPROTOOPT; 3993 } 3994 break; 3995 case SCTP_PLUGGABLE_CC: 3996 { 3997 struct sctp_assoc_value *av; 3998 struct sctp_nets *net; 3999 4000 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4001 if ((av->assoc_value != SCTP_CC_RFC2581) && 4002 (av->assoc_value != SCTP_CC_HSTCP) && 4003 (av->assoc_value != SCTP_CC_HTCP) && 4004 (av->assoc_value != SCTP_CC_RTCC)) { 4005 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4006 error = EINVAL; 4007 break; 4008 } 4009 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4010 if (stcb) { 4011 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4012 stcb->asoc.congestion_control_module = av->assoc_value; 4013 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4014 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4015 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4016 } 4017 } 4018 SCTP_TCB_UNLOCK(stcb); 4019 } else { 4020 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4021 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4022 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4023 (av->assoc_id == SCTP_ALL_ASSOC)) { 4024 SCTP_INP_WLOCK(inp); 4025 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 4026 SCTP_INP_WUNLOCK(inp); 4027 } 4028 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4029 (av->assoc_id == SCTP_ALL_ASSOC)) { 4030 SCTP_INP_RLOCK(inp); 4031 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4032 SCTP_TCB_LOCK(stcb); 4033 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4034 stcb->asoc.congestion_control_module = av->assoc_value; 4035 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4036 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4037 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4038 } 4039 } 4040 SCTP_TCB_UNLOCK(stcb); 4041 } 4042 SCTP_INP_RUNLOCK(inp); 4043 } 4044 } 4045 break; 4046 } 4047 case SCTP_CC_OPTION: 4048 { 4049 struct sctp_cc_option *cc_opt; 4050 4051 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 4052 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 4053 if (stcb == NULL) { 4054 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 4055 SCTP_INP_RLOCK(inp); 4056 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4057 SCTP_TCB_LOCK(stcb); 4058 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 4059 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 4060 } 4061 SCTP_TCB_UNLOCK(stcb); 4062 } 4063 SCTP_INP_RUNLOCK(inp); 4064 } else { 4065 error = EINVAL; 4066 } 4067 } else { 4068 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4069 error = ENOTSUP; 4070 } else { 4071 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4072 cc_opt); 4073 } 4074 SCTP_TCB_UNLOCK(stcb); 4075 } 4076 break; 4077 } 4078 case SCTP_PLUGGABLE_SS: 4079 { 4080 struct sctp_assoc_value *av; 4081 4082 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4083 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4084 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 4085 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 4086 (av->assoc_value != SCTP_SS_PRIORITY) && 4087 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 4088 (av->assoc_value != SCTP_SS_FIRST_COME)) { 4089 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4090 error = EINVAL; 4091 break; 4092 } 4093 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4094 if (stcb) { 4095 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4096 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4097 stcb->asoc.stream_scheduling_module = av->assoc_value; 4098 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4099 SCTP_TCB_UNLOCK(stcb); 4100 } else { 4101 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4102 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4103 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4104 (av->assoc_id == SCTP_ALL_ASSOC)) { 4105 SCTP_INP_WLOCK(inp); 4106 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4107 SCTP_INP_WUNLOCK(inp); 4108 } 4109 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4110 (av->assoc_id == SCTP_ALL_ASSOC)) { 4111 SCTP_INP_RLOCK(inp); 4112 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4113 SCTP_TCB_LOCK(stcb); 4114 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4115 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4116 stcb->asoc.stream_scheduling_module = av->assoc_value; 4117 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4118 SCTP_TCB_UNLOCK(stcb); 4119 } 4120 SCTP_INP_RUNLOCK(inp); 4121 } 4122 } 4123 break; 4124 } 4125 case SCTP_SS_VALUE: 4126 { 4127 struct sctp_stream_value *av; 4128 4129 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4130 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4131 if (stcb) { 4132 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4133 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4134 av->stream_value) < 0)) { 4135 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4136 error = EINVAL; 4137 } 4138 SCTP_TCB_UNLOCK(stcb); 4139 } else { 4140 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 4141 SCTP_INP_RLOCK(inp); 4142 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4143 SCTP_TCB_LOCK(stcb); 4144 if (av->stream_id < stcb->asoc.streamoutcnt) { 4145 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4146 &stcb->asoc, 4147 &stcb->asoc.strmout[av->stream_id], 4148 av->stream_value); 4149 } 4150 SCTP_TCB_UNLOCK(stcb); 4151 } 4152 SCTP_INP_RUNLOCK(inp); 4153 } else { 4154 /* 4155 * Can't set stream value without 4156 * association 4157 */ 4158 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4159 error = EINVAL; 4160 } 4161 } 4162 break; 4163 } 4164 case SCTP_CLR_STAT_LOG: 4165 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4166 error = EOPNOTSUPP; 4167 break; 4168 case SCTP_CONTEXT: 4169 { 4170 struct sctp_assoc_value *av; 4171 4172 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4173 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4174 4175 if (stcb) { 4176 stcb->asoc.context = av->assoc_value; 4177 SCTP_TCB_UNLOCK(stcb); 4178 } else { 4179 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4180 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4181 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4182 (av->assoc_id == SCTP_ALL_ASSOC)) { 4183 SCTP_INP_WLOCK(inp); 4184 inp->sctp_context = av->assoc_value; 4185 SCTP_INP_WUNLOCK(inp); 4186 } 4187 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4188 (av->assoc_id == SCTP_ALL_ASSOC)) { 4189 SCTP_INP_RLOCK(inp); 4190 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4191 SCTP_TCB_LOCK(stcb); 4192 stcb->asoc.context = av->assoc_value; 4193 SCTP_TCB_UNLOCK(stcb); 4194 } 4195 SCTP_INP_RUNLOCK(inp); 4196 } 4197 } 4198 break; 4199 } 4200 case SCTP_VRF_ID: 4201 { 4202 uint32_t *default_vrfid; 4203 4204 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4205 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4206 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4207 error = EINVAL; 4208 break; 4209 } 4210 inp->def_vrf_id = *default_vrfid; 4211 break; 4212 } 4213 case SCTP_DEL_VRF_ID: 4214 { 4215 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4216 error = EOPNOTSUPP; 4217 break; 4218 } 4219 case SCTP_ADD_VRF_ID: 4220 { 4221 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4222 error = EOPNOTSUPP; 4223 break; 4224 } 4225 case SCTP_DELAYED_SACK: 4226 { 4227 struct sctp_sack_info *sack; 4228 4229 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4230 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4231 if (sack->sack_delay) { 4232 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 4233 sack->sack_delay = SCTP_MAX_SACK_DELAY; 4234 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 4235 sack->sack_delay = TICKS_TO_MSEC(1); 4236 } 4237 } 4238 if (stcb) { 4239 if (sack->sack_delay) { 4240 stcb->asoc.delayed_ack = sack->sack_delay; 4241 } 4242 if (sack->sack_freq) { 4243 stcb->asoc.sack_freq = sack->sack_freq; 4244 } 4245 SCTP_TCB_UNLOCK(stcb); 4246 } else { 4247 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4248 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4249 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4250 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4251 SCTP_INP_WLOCK(inp); 4252 if (sack->sack_delay) { 4253 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 4254 } 4255 if (sack->sack_freq) { 4256 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4257 } 4258 SCTP_INP_WUNLOCK(inp); 4259 } 4260 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4261 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4262 SCTP_INP_RLOCK(inp); 4263 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4264 SCTP_TCB_LOCK(stcb); 4265 if (sack->sack_delay) { 4266 stcb->asoc.delayed_ack = sack->sack_delay; 4267 } 4268 if (sack->sack_freq) { 4269 stcb->asoc.sack_freq = sack->sack_freq; 4270 } 4271 SCTP_TCB_UNLOCK(stcb); 4272 } 4273 SCTP_INP_RUNLOCK(inp); 4274 } 4275 } 4276 break; 4277 } 4278 case SCTP_AUTH_CHUNK: 4279 { 4280 struct sctp_authchunk *sauth; 4281 4282 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4283 4284 SCTP_INP_WLOCK(inp); 4285 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4286 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4287 error = EINVAL; 4288 } 4289 SCTP_INP_WUNLOCK(inp); 4290 break; 4291 } 4292 case SCTP_AUTH_KEY: 4293 { 4294 struct sctp_authkey *sca; 4295 struct sctp_keyhead *shared_keys; 4296 sctp_sharedkey_t *shared_key; 4297 sctp_key_t *key = NULL; 4298 size_t size; 4299 4300 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4301 if (sca->sca_keylength == 0) { 4302 size = optsize - sizeof(struct sctp_authkey); 4303 } else { 4304 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4305 size = sca->sca_keylength; 4306 } else { 4307 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4308 error = EINVAL; 4309 break; 4310 } 4311 } 4312 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4313 4314 if (stcb) { 4315 shared_keys = &stcb->asoc.shared_keys; 4316 /* clear the cached keys for this key id */ 4317 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4318 /* 4319 * create the new shared key and 4320 * insert/replace it 4321 */ 4322 if (size > 0) { 4323 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4324 if (key == NULL) { 4325 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4326 error = ENOMEM; 4327 SCTP_TCB_UNLOCK(stcb); 4328 break; 4329 } 4330 } 4331 shared_key = sctp_alloc_sharedkey(); 4332 if (shared_key == NULL) { 4333 sctp_free_key(key); 4334 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4335 error = ENOMEM; 4336 SCTP_TCB_UNLOCK(stcb); 4337 break; 4338 } 4339 shared_key->key = key; 4340 shared_key->keyid = sca->sca_keynumber; 4341 error = sctp_insert_sharedkey(shared_keys, shared_key); 4342 SCTP_TCB_UNLOCK(stcb); 4343 } else { 4344 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4345 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4346 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4347 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4348 SCTP_INP_WLOCK(inp); 4349 shared_keys = &inp->sctp_ep.shared_keys; 4350 /* 4351 * clear the cached keys on all 4352 * assocs for this key id 4353 */ 4354 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4355 /* 4356 * create the new shared key and 4357 * insert/replace it 4358 */ 4359 if (size > 0) { 4360 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4361 if (key == NULL) { 4362 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4363 error = ENOMEM; 4364 SCTP_INP_WUNLOCK(inp); 4365 break; 4366 } 4367 } 4368 shared_key = sctp_alloc_sharedkey(); 4369 if (shared_key == NULL) { 4370 sctp_free_key(key); 4371 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4372 error = ENOMEM; 4373 SCTP_INP_WUNLOCK(inp); 4374 break; 4375 } 4376 shared_key->key = key; 4377 shared_key->keyid = sca->sca_keynumber; 4378 error = sctp_insert_sharedkey(shared_keys, shared_key); 4379 SCTP_INP_WUNLOCK(inp); 4380 } 4381 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4382 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4383 SCTP_INP_RLOCK(inp); 4384 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4385 SCTP_TCB_LOCK(stcb); 4386 shared_keys = &stcb->asoc.shared_keys; 4387 /* 4388 * clear the cached keys for 4389 * this key id 4390 */ 4391 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4392 /* 4393 * create the new shared key 4394 * and insert/replace it 4395 */ 4396 if (size > 0) { 4397 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4398 if (key == NULL) { 4399 SCTP_TCB_UNLOCK(stcb); 4400 continue; 4401 } 4402 } 4403 shared_key = sctp_alloc_sharedkey(); 4404 if (shared_key == NULL) { 4405 sctp_free_key(key); 4406 SCTP_TCB_UNLOCK(stcb); 4407 continue; 4408 } 4409 shared_key->key = key; 4410 shared_key->keyid = sca->sca_keynumber; 4411 error = sctp_insert_sharedkey(shared_keys, shared_key); 4412 SCTP_TCB_UNLOCK(stcb); 4413 } 4414 SCTP_INP_RUNLOCK(inp); 4415 } 4416 } 4417 break; 4418 } 4419 case SCTP_HMAC_IDENT: 4420 { 4421 struct sctp_hmacalgo *shmac; 4422 sctp_hmaclist_t *hmaclist; 4423 uint16_t hmacid; 4424 uint32_t i; 4425 4426 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4427 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4428 (shmac->shmac_number_of_idents > 0xffff)) { 4429 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4430 error = EINVAL; 4431 break; 4432 } 4433 hmaclist = sctp_alloc_hmaclist((uint16_t) shmac->shmac_number_of_idents); 4434 if (hmaclist == NULL) { 4435 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4436 error = ENOMEM; 4437 break; 4438 } 4439 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4440 hmacid = shmac->shmac_idents[i]; 4441 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4442 /* invalid HMACs were found */ ; 4443 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4444 error = EINVAL; 4445 sctp_free_hmaclist(hmaclist); 4446 goto sctp_set_hmac_done; 4447 } 4448 } 4449 for (i = 0; i < hmaclist->num_algo; i++) { 4450 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4451 /* already in list */ 4452 break; 4453 } 4454 } 4455 if (i == hmaclist->num_algo) { 4456 /* not found in list */ 4457 sctp_free_hmaclist(hmaclist); 4458 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4459 error = EINVAL; 4460 break; 4461 } 4462 /* set it on the endpoint */ 4463 SCTP_INP_WLOCK(inp); 4464 if (inp->sctp_ep.local_hmacs) 4465 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4466 inp->sctp_ep.local_hmacs = hmaclist; 4467 SCTP_INP_WUNLOCK(inp); 4468 sctp_set_hmac_done: 4469 break; 4470 } 4471 case SCTP_AUTH_ACTIVE_KEY: 4472 { 4473 struct sctp_authkeyid *scact; 4474 4475 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4476 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4477 4478 /* set the active key on the right place */ 4479 if (stcb) { 4480 /* set the active key on the assoc */ 4481 if (sctp_auth_setactivekey(stcb, 4482 scact->scact_keynumber)) { 4483 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4484 SCTP_FROM_SCTP_USRREQ, 4485 EINVAL); 4486 error = EINVAL; 4487 } 4488 SCTP_TCB_UNLOCK(stcb); 4489 } else { 4490 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4491 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4492 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4493 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4494 SCTP_INP_WLOCK(inp); 4495 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4496 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4497 error = EINVAL; 4498 } 4499 SCTP_INP_WUNLOCK(inp); 4500 } 4501 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4502 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4503 SCTP_INP_RLOCK(inp); 4504 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4505 SCTP_TCB_LOCK(stcb); 4506 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4507 SCTP_TCB_UNLOCK(stcb); 4508 } 4509 SCTP_INP_RUNLOCK(inp); 4510 } 4511 } 4512 break; 4513 } 4514 case SCTP_AUTH_DELETE_KEY: 4515 { 4516 struct sctp_authkeyid *scdel; 4517 4518 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4519 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4520 4521 /* delete the key from the right place */ 4522 if (stcb) { 4523 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4524 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4525 error = EINVAL; 4526 } 4527 SCTP_TCB_UNLOCK(stcb); 4528 } else { 4529 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4530 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4531 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4532 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4533 SCTP_INP_WLOCK(inp); 4534 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4535 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4536 error = EINVAL; 4537 } 4538 SCTP_INP_WUNLOCK(inp); 4539 } 4540 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4541 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4542 SCTP_INP_RLOCK(inp); 4543 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4544 SCTP_TCB_LOCK(stcb); 4545 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4546 SCTP_TCB_UNLOCK(stcb); 4547 } 4548 SCTP_INP_RUNLOCK(inp); 4549 } 4550 } 4551 break; 4552 } 4553 case SCTP_AUTH_DEACTIVATE_KEY: 4554 { 4555 struct sctp_authkeyid *keyid; 4556 4557 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4558 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4559 4560 /* deactivate the key from the right place */ 4561 if (stcb) { 4562 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4563 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4564 error = EINVAL; 4565 } 4566 SCTP_TCB_UNLOCK(stcb); 4567 } else { 4568 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4569 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4570 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4571 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4572 SCTP_INP_WLOCK(inp); 4573 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4574 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4575 error = EINVAL; 4576 } 4577 SCTP_INP_WUNLOCK(inp); 4578 } 4579 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4580 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4581 SCTP_INP_RLOCK(inp); 4582 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4583 SCTP_TCB_LOCK(stcb); 4584 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4585 SCTP_TCB_UNLOCK(stcb); 4586 } 4587 SCTP_INP_RUNLOCK(inp); 4588 } 4589 } 4590 break; 4591 } 4592 case SCTP_ENABLE_STREAM_RESET: 4593 { 4594 struct sctp_assoc_value *av; 4595 4596 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4597 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4598 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4599 error = EINVAL; 4600 break; 4601 } 4602 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4603 if (stcb) { 4604 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4605 SCTP_TCB_UNLOCK(stcb); 4606 } else { 4607 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4608 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4609 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4610 (av->assoc_id == SCTP_ALL_ASSOC)) { 4611 SCTP_INP_WLOCK(inp); 4612 inp->local_strreset_support = (uint8_t) av->assoc_value; 4613 SCTP_INP_WUNLOCK(inp); 4614 } 4615 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4616 (av->assoc_id == SCTP_ALL_ASSOC)) { 4617 SCTP_INP_RLOCK(inp); 4618 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4619 SCTP_TCB_LOCK(stcb); 4620 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4621 SCTP_TCB_UNLOCK(stcb); 4622 } 4623 SCTP_INP_RUNLOCK(inp); 4624 } 4625 } 4626 break; 4627 } 4628 case SCTP_RESET_STREAMS: 4629 { 4630 struct sctp_reset_streams *strrst; 4631 int i, send_out = 0; 4632 int send_in = 0; 4633 4634 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4635 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4636 if (stcb == NULL) { 4637 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4638 error = ENOENT; 4639 break; 4640 } 4641 if (stcb->asoc.reconfig_supported == 0) { 4642 /* 4643 * Peer does not support the chunk type. 4644 */ 4645 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4646 error = EOPNOTSUPP; 4647 SCTP_TCB_UNLOCK(stcb); 4648 break; 4649 } 4650 if (sizeof(struct sctp_reset_streams) + 4651 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4652 error = EINVAL; 4653 SCTP_TCB_UNLOCK(stcb); 4654 break; 4655 } 4656 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4657 send_in = 1; 4658 if (stcb->asoc.stream_reset_outstanding) { 4659 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4660 error = EALREADY; 4661 SCTP_TCB_UNLOCK(stcb); 4662 break; 4663 } 4664 } 4665 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4666 send_out = 1; 4667 } 4668 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) { 4669 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4670 error = ENOMEM; 4671 SCTP_TCB_UNLOCK(stcb); 4672 break; 4673 } 4674 if ((send_in == 0) && (send_out == 0)) { 4675 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4676 error = EINVAL; 4677 SCTP_TCB_UNLOCK(stcb); 4678 break; 4679 } 4680 for (i = 0; i < strrst->srs_number_streams; i++) { 4681 if ((send_in) && 4682 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) { 4683 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4684 error = EINVAL; 4685 break; 4686 } 4687 if ((send_out) && 4688 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) { 4689 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4690 error = EINVAL; 4691 break; 4692 } 4693 } 4694 if (error) { 4695 SCTP_TCB_UNLOCK(stcb); 4696 break; 4697 } 4698 if (send_out) { 4699 int cnt; 4700 uint16_t strm; 4701 4702 if (strrst->srs_number_streams) { 4703 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) { 4704 strm = strrst->srs_stream_list[i]; 4705 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) { 4706 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING; 4707 cnt++; 4708 } 4709 } 4710 } else { 4711 /* Its all */ 4712 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) { 4713 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) { 4714 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING; 4715 cnt++; 4716 } 4717 } 4718 } 4719 } 4720 if (send_in) { 4721 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4722 strrst->srs_stream_list, 4723 send_in, 0, 0, 0, 0, 0); 4724 } else { 4725 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED); 4726 } 4727 if (error == 0) { 4728 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4729 } else { 4730 /* 4731 * For outgoing streams don't report any 4732 * problems in sending the request to the 4733 * application. XXX: Double check resetting 4734 * incoming streams. 4735 */ 4736 error = 0; 4737 } 4738 SCTP_TCB_UNLOCK(stcb); 4739 break; 4740 } 4741 case SCTP_ADD_STREAMS: 4742 { 4743 struct sctp_add_streams *stradd; 4744 uint8_t addstream = 0; 4745 uint16_t add_o_strmcnt = 0; 4746 uint16_t add_i_strmcnt = 0; 4747 4748 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4749 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4750 if (stcb == NULL) { 4751 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4752 error = ENOENT; 4753 break; 4754 } 4755 if (stcb->asoc.reconfig_supported == 0) { 4756 /* 4757 * Peer does not support the chunk type. 4758 */ 4759 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4760 error = EOPNOTSUPP; 4761 SCTP_TCB_UNLOCK(stcb); 4762 break; 4763 } 4764 if (stcb->asoc.stream_reset_outstanding) { 4765 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4766 error = EALREADY; 4767 SCTP_TCB_UNLOCK(stcb); 4768 break; 4769 } 4770 if ((stradd->sas_outstrms == 0) && 4771 (stradd->sas_instrms == 0)) { 4772 error = EINVAL; 4773 goto skip_stuff; 4774 } 4775 if (stradd->sas_outstrms) { 4776 addstream = 1; 4777 /* We allocate here */ 4778 add_o_strmcnt = stradd->sas_outstrms; 4779 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4780 /* You can't have more than 64k */ 4781 error = EINVAL; 4782 goto skip_stuff; 4783 } 4784 } 4785 if (stradd->sas_instrms) { 4786 int cnt; 4787 4788 addstream |= 2; 4789 /* 4790 * We allocate inside 4791 * sctp_send_str_reset_req() 4792 */ 4793 add_i_strmcnt = stradd->sas_instrms; 4794 cnt = add_i_strmcnt; 4795 cnt += stcb->asoc.streamincnt; 4796 if (cnt > 0x0000ffff) { 4797 /* You can't have more than 64k */ 4798 error = EINVAL; 4799 goto skip_stuff; 4800 } 4801 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4802 /* More than you are allowed */ 4803 error = EINVAL; 4804 goto skip_stuff; 4805 } 4806 } 4807 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4808 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4809 skip_stuff: 4810 SCTP_TCB_UNLOCK(stcb); 4811 break; 4812 } 4813 case SCTP_RESET_ASSOC: 4814 { 4815 int i; 4816 uint32_t *value; 4817 4818 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4819 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 4820 if (stcb == NULL) { 4821 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4822 error = ENOENT; 4823 break; 4824 } 4825 if (stcb->asoc.reconfig_supported == 0) { 4826 /* 4827 * Peer does not support the chunk type. 4828 */ 4829 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4830 error = EOPNOTSUPP; 4831 SCTP_TCB_UNLOCK(stcb); 4832 break; 4833 } 4834 if (stcb->asoc.stream_reset_outstanding) { 4835 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4836 error = EALREADY; 4837 SCTP_TCB_UNLOCK(stcb); 4838 break; 4839 } 4840 /* 4841 * Is there any data pending in the send or sent 4842 * queues? 4843 */ 4844 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) || 4845 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) { 4846 busy_out: 4847 error = EBUSY; 4848 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4849 SCTP_TCB_UNLOCK(stcb); 4850 break; 4851 } 4852 /* Do any streams have data queued? */ 4853 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4854 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) { 4855 goto busy_out; 4856 } 4857 } 4858 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0); 4859 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4860 SCTP_TCB_UNLOCK(stcb); 4861 break; 4862 } 4863 case SCTP_CONNECT_X: 4864 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4865 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4866 error = EINVAL; 4867 break; 4868 } 4869 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4870 break; 4871 case SCTP_CONNECT_X_DELAYED: 4872 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4873 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4874 error = EINVAL; 4875 break; 4876 } 4877 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4878 break; 4879 case SCTP_CONNECT_X_COMPLETE: 4880 { 4881 struct sockaddr *sa; 4882 4883 /* FIXME MT: check correct? */ 4884 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4885 4886 /* find tcb */ 4887 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4888 SCTP_INP_RLOCK(inp); 4889 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4890 if (stcb) { 4891 SCTP_TCB_LOCK(stcb); 4892 } 4893 SCTP_INP_RUNLOCK(inp); 4894 } else { 4895 /* 4896 * We increment here since 4897 * sctp_findassociation_ep_addr() wil do a 4898 * decrement if it finds the stcb as long as 4899 * the locked tcb (last argument) is NOT a 4900 * TCB.. aka NULL. 4901 */ 4902 SCTP_INP_INCR_REF(inp); 4903 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4904 if (stcb == NULL) { 4905 SCTP_INP_DECR_REF(inp); 4906 } 4907 } 4908 4909 if (stcb == NULL) { 4910 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4911 error = ENOENT; 4912 break; 4913 } 4914 if (stcb->asoc.delayed_connection == 1) { 4915 stcb->asoc.delayed_connection = 0; 4916 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4917 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4918 stcb->asoc.primary_destination, 4919 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4920 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4921 } else { 4922 /* 4923 * already expired or did not use delayed 4924 * connectx 4925 */ 4926 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4927 error = EALREADY; 4928 } 4929 SCTP_TCB_UNLOCK(stcb); 4930 break; 4931 } 4932 case SCTP_MAX_BURST: 4933 { 4934 struct sctp_assoc_value *av; 4935 4936 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4937 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4938 4939 if (stcb) { 4940 stcb->asoc.max_burst = av->assoc_value; 4941 SCTP_TCB_UNLOCK(stcb); 4942 } else { 4943 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4944 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4945 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4946 (av->assoc_id == SCTP_ALL_ASSOC)) { 4947 SCTP_INP_WLOCK(inp); 4948 inp->sctp_ep.max_burst = av->assoc_value; 4949 SCTP_INP_WUNLOCK(inp); 4950 } 4951 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4952 (av->assoc_id == SCTP_ALL_ASSOC)) { 4953 SCTP_INP_RLOCK(inp); 4954 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4955 SCTP_TCB_LOCK(stcb); 4956 stcb->asoc.max_burst = av->assoc_value; 4957 SCTP_TCB_UNLOCK(stcb); 4958 } 4959 SCTP_INP_RUNLOCK(inp); 4960 } 4961 } 4962 break; 4963 } 4964 case SCTP_MAXSEG: 4965 { 4966 struct sctp_assoc_value *av; 4967 int ovh; 4968 4969 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4970 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4971 4972 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4973 ovh = SCTP_MED_OVERHEAD; 4974 } else { 4975 ovh = SCTP_MED_V4_OVERHEAD; 4976 } 4977 if (stcb) { 4978 if (av->assoc_value) { 4979 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4980 } else { 4981 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4982 } 4983 SCTP_TCB_UNLOCK(stcb); 4984 } else { 4985 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4986 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4987 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4988 SCTP_INP_WLOCK(inp); 4989 /* 4990 * FIXME MT: I think this is not in 4991 * tune with the API ID 4992 */ 4993 if (av->assoc_value) { 4994 inp->sctp_frag_point = (av->assoc_value + ovh); 4995 } else { 4996 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4997 } 4998 SCTP_INP_WUNLOCK(inp); 4999 } else { 5000 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5001 error = EINVAL; 5002 } 5003 } 5004 break; 5005 } 5006 case SCTP_EVENTS: 5007 { 5008 struct sctp_event_subscribe *events; 5009 5010 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 5011 5012 SCTP_INP_WLOCK(inp); 5013 if (events->sctp_data_io_event) { 5014 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5015 } else { 5016 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5017 } 5018 5019 if (events->sctp_association_event) { 5020 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5021 } else { 5022 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5023 } 5024 5025 if (events->sctp_address_event) { 5026 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5027 } else { 5028 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5029 } 5030 5031 if (events->sctp_send_failure_event) { 5032 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5033 } else { 5034 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5035 } 5036 5037 if (events->sctp_peer_error_event) { 5038 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5039 } else { 5040 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5041 } 5042 5043 if (events->sctp_shutdown_event) { 5044 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5045 } else { 5046 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5047 } 5048 5049 if (events->sctp_partial_delivery_event) { 5050 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5051 } else { 5052 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5053 } 5054 5055 if (events->sctp_adaptation_layer_event) { 5056 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5057 } else { 5058 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5059 } 5060 5061 if (events->sctp_authentication_event) { 5062 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5063 } else { 5064 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5065 } 5066 5067 if (events->sctp_sender_dry_event) { 5068 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 5069 } else { 5070 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 5071 } 5072 5073 if (events->sctp_stream_reset_event) { 5074 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5075 } else { 5076 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5077 } 5078 SCTP_INP_WUNLOCK(inp); 5079 5080 SCTP_INP_RLOCK(inp); 5081 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5082 SCTP_TCB_LOCK(stcb); 5083 if (events->sctp_association_event) { 5084 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5085 } else { 5086 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5087 } 5088 if (events->sctp_address_event) { 5089 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5090 } else { 5091 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5092 } 5093 if (events->sctp_send_failure_event) { 5094 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5095 } else { 5096 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5097 } 5098 if (events->sctp_peer_error_event) { 5099 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5100 } else { 5101 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5102 } 5103 if (events->sctp_shutdown_event) { 5104 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5105 } else { 5106 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5107 } 5108 if (events->sctp_partial_delivery_event) { 5109 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5110 } else { 5111 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5112 } 5113 if (events->sctp_adaptation_layer_event) { 5114 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5115 } else { 5116 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5117 } 5118 if (events->sctp_authentication_event) { 5119 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5120 } else { 5121 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5122 } 5123 if (events->sctp_sender_dry_event) { 5124 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5125 } else { 5126 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5127 } 5128 if (events->sctp_stream_reset_event) { 5129 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5130 } else { 5131 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5132 } 5133 SCTP_TCB_UNLOCK(stcb); 5134 } 5135 /* 5136 * Send up the sender dry event only for 1-to-1 5137 * style sockets. 5138 */ 5139 if (events->sctp_sender_dry_event) { 5140 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5141 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 5142 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5143 if (stcb) { 5144 SCTP_TCB_LOCK(stcb); 5145 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5146 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5147 (stcb->asoc.stream_queue_cnt == 0)) { 5148 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5149 } 5150 SCTP_TCB_UNLOCK(stcb); 5151 } 5152 } 5153 } 5154 SCTP_INP_RUNLOCK(inp); 5155 break; 5156 } 5157 case SCTP_ADAPTATION_LAYER: 5158 { 5159 struct sctp_setadaptation *adap_bits; 5160 5161 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5162 SCTP_INP_WLOCK(inp); 5163 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5164 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5165 SCTP_INP_WUNLOCK(inp); 5166 break; 5167 } 5168 #ifdef SCTP_DEBUG 5169 case SCTP_SET_INITIAL_DBG_SEQ: 5170 { 5171 uint32_t *vvv; 5172 5173 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5174 SCTP_INP_WLOCK(inp); 5175 inp->sctp_ep.initial_sequence_debug = *vvv; 5176 SCTP_INP_WUNLOCK(inp); 5177 break; 5178 } 5179 #endif 5180 case SCTP_DEFAULT_SEND_PARAM: 5181 { 5182 struct sctp_sndrcvinfo *s_info; 5183 5184 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5185 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5186 5187 if (stcb) { 5188 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5189 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5190 } else { 5191 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5192 error = EINVAL; 5193 } 5194 SCTP_TCB_UNLOCK(stcb); 5195 } else { 5196 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5197 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5198 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5199 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5200 SCTP_INP_WLOCK(inp); 5201 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5202 SCTP_INP_WUNLOCK(inp); 5203 } 5204 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5205 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5206 SCTP_INP_RLOCK(inp); 5207 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5208 SCTP_TCB_LOCK(stcb); 5209 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5210 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5211 } 5212 SCTP_TCB_UNLOCK(stcb); 5213 } 5214 SCTP_INP_RUNLOCK(inp); 5215 } 5216 } 5217 break; 5218 } 5219 case SCTP_PEER_ADDR_PARAMS: 5220 { 5221 struct sctp_paddrparams *paddrp; 5222 struct sctp_nets *net; 5223 struct sockaddr *addr; 5224 5225 #if defined(INET) && defined(INET6) 5226 struct sockaddr_in sin_store; 5227 5228 #endif 5229 5230 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5231 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5232 5233 #if defined(INET) && defined(INET6) 5234 if (paddrp->spp_address.ss_family == AF_INET6) { 5235 struct sockaddr_in6 *sin6; 5236 5237 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5238 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5239 in6_sin6_2_sin(&sin_store, sin6); 5240 addr = (struct sockaddr *)&sin_store; 5241 } else { 5242 addr = (struct sockaddr *)&paddrp->spp_address; 5243 } 5244 } else { 5245 addr = (struct sockaddr *)&paddrp->spp_address; 5246 } 5247 #else 5248 addr = (struct sockaddr *)&paddrp->spp_address; 5249 #endif 5250 if (stcb != NULL) { 5251 net = sctp_findnet(stcb, addr); 5252 } else { 5253 /* 5254 * We increment here since 5255 * sctp_findassociation_ep_addr() wil do a 5256 * decrement if it finds the stcb as long as 5257 * the locked tcb (last argument) is NOT a 5258 * TCB.. aka NULL. 5259 */ 5260 net = NULL; 5261 SCTP_INP_INCR_REF(inp); 5262 stcb = sctp_findassociation_ep_addr(&inp, addr, 5263 &net, NULL, NULL); 5264 if (stcb == NULL) { 5265 SCTP_INP_DECR_REF(inp); 5266 } 5267 } 5268 if ((stcb != NULL) && (net == NULL)) { 5269 #ifdef INET 5270 if (addr->sa_family == AF_INET) { 5271 5272 struct sockaddr_in *sin; 5273 5274 sin = (struct sockaddr_in *)addr; 5275 if (sin->sin_addr.s_addr != INADDR_ANY) { 5276 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5277 SCTP_TCB_UNLOCK(stcb); 5278 error = EINVAL; 5279 break; 5280 } 5281 } else 5282 #endif 5283 #ifdef INET6 5284 if (addr->sa_family == AF_INET6) { 5285 struct sockaddr_in6 *sin6; 5286 5287 sin6 = (struct sockaddr_in6 *)addr; 5288 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5289 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5290 SCTP_TCB_UNLOCK(stcb); 5291 error = EINVAL; 5292 break; 5293 } 5294 } else 5295 #endif 5296 { 5297 error = EAFNOSUPPORT; 5298 SCTP_TCB_UNLOCK(stcb); 5299 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5300 break; 5301 } 5302 } 5303 /* sanity checks */ 5304 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5305 if (stcb) 5306 SCTP_TCB_UNLOCK(stcb); 5307 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5308 return (EINVAL); 5309 } 5310 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5311 if (stcb) 5312 SCTP_TCB_UNLOCK(stcb); 5313 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5314 return (EINVAL); 5315 } 5316 if (stcb != NULL) { 5317 /************************TCB SPECIFIC SET ******************/ 5318 if (net != NULL) { 5319 /************************NET SPECIFIC SET ******************/ 5320 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5321 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5322 !(net->dest_state & SCTP_ADDR_NOHB)) { 5323 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5324 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5325 } 5326 net->dest_state |= SCTP_ADDR_NOHB; 5327 } 5328 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5329 if (paddrp->spp_hbinterval) { 5330 net->heart_beat_delay = paddrp->spp_hbinterval; 5331 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5332 net->heart_beat_delay = 0; 5333 } 5334 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5335 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5336 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5337 net->dest_state &= ~SCTP_ADDR_NOHB; 5338 } 5339 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5340 /* on demand HB */ 5341 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5342 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5343 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5344 } 5345 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5346 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5347 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5348 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5349 } 5350 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5351 net->mtu = paddrp->spp_pathmtu; 5352 switch (net->ro._l_addr.sa.sa_family) { 5353 #ifdef INET 5354 case AF_INET: 5355 net->mtu += SCTP_MIN_V4_OVERHEAD; 5356 break; 5357 #endif 5358 #ifdef INET6 5359 case AF_INET6: 5360 net->mtu += SCTP_MIN_OVERHEAD; 5361 break; 5362 #endif 5363 default: 5364 break; 5365 } 5366 if (net->mtu < stcb->asoc.smallest_mtu) { 5367 sctp_pathmtu_adjustment(stcb, net->mtu); 5368 } 5369 } 5370 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5371 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5372 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5373 } 5374 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5375 } 5376 if (paddrp->spp_pathmaxrxt) { 5377 if (net->dest_state & SCTP_ADDR_PF) { 5378 if (net->error_count > paddrp->spp_pathmaxrxt) { 5379 net->dest_state &= ~SCTP_ADDR_PF; 5380 } 5381 } else { 5382 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5383 (net->error_count > net->pf_threshold)) { 5384 net->dest_state |= SCTP_ADDR_PF; 5385 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5386 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5387 stcb->sctp_ep, stcb, net, 5388 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5389 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5390 } 5391 } 5392 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5393 if (net->error_count > paddrp->spp_pathmaxrxt) { 5394 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5395 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5396 } 5397 } else { 5398 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5399 net->dest_state |= SCTP_ADDR_REACHABLE; 5400 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5401 } 5402 } 5403 net->failure_threshold = paddrp->spp_pathmaxrxt; 5404 } 5405 if (paddrp->spp_flags & SPP_DSCP) { 5406 net->dscp = paddrp->spp_dscp & 0xfc; 5407 net->dscp |= 0x01; 5408 } 5409 #ifdef INET6 5410 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5411 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5412 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5413 net->flowlabel |= 0x80000000; 5414 } 5415 } 5416 #endif 5417 } else { 5418 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5419 if (paddrp->spp_pathmaxrxt != 0) { 5420 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5421 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5422 if (net->dest_state & SCTP_ADDR_PF) { 5423 if (net->error_count > paddrp->spp_pathmaxrxt) { 5424 net->dest_state &= ~SCTP_ADDR_PF; 5425 } 5426 } else { 5427 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5428 (net->error_count > net->pf_threshold)) { 5429 net->dest_state |= SCTP_ADDR_PF; 5430 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5431 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5432 stcb->sctp_ep, stcb, net, 5433 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5434 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5435 } 5436 } 5437 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5438 if (net->error_count > paddrp->spp_pathmaxrxt) { 5439 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5440 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5441 } 5442 } else { 5443 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5444 net->dest_state |= SCTP_ADDR_REACHABLE; 5445 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5446 } 5447 } 5448 net->failure_threshold = paddrp->spp_pathmaxrxt; 5449 } 5450 } 5451 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5452 if (paddrp->spp_hbinterval != 0) { 5453 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5454 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5455 stcb->asoc.heart_beat_delay = 0; 5456 } 5457 /* Turn back on the timer */ 5458 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5459 if (paddrp->spp_hbinterval != 0) { 5460 net->heart_beat_delay = paddrp->spp_hbinterval; 5461 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5462 net->heart_beat_delay = 0; 5463 } 5464 if (net->dest_state & SCTP_ADDR_NOHB) { 5465 net->dest_state &= ~SCTP_ADDR_NOHB; 5466 } 5467 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5468 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5469 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5470 } 5471 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5472 } 5473 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5474 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5475 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5476 net->dest_state |= SCTP_ADDR_NOHB; 5477 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5478 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5479 inp, stcb, net, 5480 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5481 } 5482 } 5483 } 5484 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5485 } 5486 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5487 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5488 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5489 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5490 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5491 } 5492 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5493 net->mtu = paddrp->spp_pathmtu; 5494 switch (net->ro._l_addr.sa.sa_family) { 5495 #ifdef INET 5496 case AF_INET: 5497 net->mtu += SCTP_MIN_V4_OVERHEAD; 5498 break; 5499 #endif 5500 #ifdef INET6 5501 case AF_INET6: 5502 net->mtu += SCTP_MIN_OVERHEAD; 5503 break; 5504 #endif 5505 default: 5506 break; 5507 } 5508 if (net->mtu < stcb->asoc.smallest_mtu) { 5509 sctp_pathmtu_adjustment(stcb, net->mtu); 5510 } 5511 } 5512 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5513 } 5514 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5515 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5516 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5517 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5518 } 5519 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5520 } 5521 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5522 } 5523 if (paddrp->spp_flags & SPP_DSCP) { 5524 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5525 net->dscp = paddrp->spp_dscp & 0xfc; 5526 net->dscp |= 0x01; 5527 } 5528 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5529 stcb->asoc.default_dscp |= 0x01; 5530 } 5531 #ifdef INET6 5532 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5533 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5534 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5535 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5536 net->flowlabel |= 0x80000000; 5537 } 5538 } 5539 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5540 stcb->asoc.default_flowlabel |= 0x80000000; 5541 } 5542 #endif 5543 } 5544 SCTP_TCB_UNLOCK(stcb); 5545 } else { 5546 /************************NO TCB, SET TO default stuff ******************/ 5547 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5548 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5549 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 5550 SCTP_INP_WLOCK(inp); 5551 /* 5552 * For the TOS/FLOWLABEL stuff you 5553 * set it with the options on the 5554 * socket 5555 */ 5556 if (paddrp->spp_pathmaxrxt != 0) { 5557 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5558 } 5559 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5560 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5561 else if (paddrp->spp_hbinterval != 0) { 5562 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5563 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5564 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5565 } 5566 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5567 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5568 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5569 } else if (paddrp->spp_hbinterval) { 5570 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5571 } 5572 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5573 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5574 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5575 } 5576 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5577 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5578 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5579 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5580 } 5581 if (paddrp->spp_flags & SPP_DSCP) { 5582 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5583 inp->sctp_ep.default_dscp |= 0x01; 5584 } 5585 #ifdef INET6 5586 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5587 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5588 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5589 inp->sctp_ep.default_flowlabel |= 0x80000000; 5590 } 5591 } 5592 #endif 5593 SCTP_INP_WUNLOCK(inp); 5594 } else { 5595 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5596 error = EINVAL; 5597 } 5598 } 5599 break; 5600 } 5601 case SCTP_RTOINFO: 5602 { 5603 struct sctp_rtoinfo *srto; 5604 uint32_t new_init, new_min, new_max; 5605 5606 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5607 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5608 5609 if (stcb) { 5610 if (srto->srto_initial) 5611 new_init = srto->srto_initial; 5612 else 5613 new_init = stcb->asoc.initial_rto; 5614 if (srto->srto_max) 5615 new_max = srto->srto_max; 5616 else 5617 new_max = stcb->asoc.maxrto; 5618 if (srto->srto_min) 5619 new_min = srto->srto_min; 5620 else 5621 new_min = stcb->asoc.minrto; 5622 if ((new_min <= new_init) && (new_init <= new_max)) { 5623 stcb->asoc.initial_rto = new_init; 5624 stcb->asoc.maxrto = new_max; 5625 stcb->asoc.minrto = new_min; 5626 } else { 5627 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5628 error = EINVAL; 5629 } 5630 SCTP_TCB_UNLOCK(stcb); 5631 } else { 5632 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5633 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5634 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5635 SCTP_INP_WLOCK(inp); 5636 if (srto->srto_initial) 5637 new_init = srto->srto_initial; 5638 else 5639 new_init = inp->sctp_ep.initial_rto; 5640 if (srto->srto_max) 5641 new_max = srto->srto_max; 5642 else 5643 new_max = inp->sctp_ep.sctp_maxrto; 5644 if (srto->srto_min) 5645 new_min = srto->srto_min; 5646 else 5647 new_min = inp->sctp_ep.sctp_minrto; 5648 if ((new_min <= new_init) && (new_init <= new_max)) { 5649 inp->sctp_ep.initial_rto = new_init; 5650 inp->sctp_ep.sctp_maxrto = new_max; 5651 inp->sctp_ep.sctp_minrto = new_min; 5652 } else { 5653 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5654 error = EINVAL; 5655 } 5656 SCTP_INP_WUNLOCK(inp); 5657 } else { 5658 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5659 error = EINVAL; 5660 } 5661 } 5662 break; 5663 } 5664 case SCTP_ASSOCINFO: 5665 { 5666 struct sctp_assocparams *sasoc; 5667 5668 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5669 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5670 if (sasoc->sasoc_cookie_life) { 5671 /* boundary check the cookie life */ 5672 if (sasoc->sasoc_cookie_life < 1000) 5673 sasoc->sasoc_cookie_life = 1000; 5674 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5675 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5676 } 5677 } 5678 if (stcb) { 5679 if (sasoc->sasoc_asocmaxrxt) 5680 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5681 if (sasoc->sasoc_cookie_life) { 5682 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5683 } 5684 SCTP_TCB_UNLOCK(stcb); 5685 } else { 5686 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5687 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5688 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5689 SCTP_INP_WLOCK(inp); 5690 if (sasoc->sasoc_asocmaxrxt) 5691 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5692 if (sasoc->sasoc_cookie_life) { 5693 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5694 } 5695 SCTP_INP_WUNLOCK(inp); 5696 } else { 5697 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5698 error = EINVAL; 5699 } 5700 } 5701 break; 5702 } 5703 case SCTP_INITMSG: 5704 { 5705 struct sctp_initmsg *sinit; 5706 5707 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5708 SCTP_INP_WLOCK(inp); 5709 if (sinit->sinit_num_ostreams) 5710 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5711 5712 if (sinit->sinit_max_instreams) 5713 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5714 5715 if (sinit->sinit_max_attempts) 5716 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5717 5718 if (sinit->sinit_max_init_timeo) 5719 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5720 SCTP_INP_WUNLOCK(inp); 5721 break; 5722 } 5723 case SCTP_PRIMARY_ADDR: 5724 { 5725 struct sctp_setprim *spa; 5726 struct sctp_nets *net; 5727 struct sockaddr *addr; 5728 5729 #if defined(INET) && defined(INET6) 5730 struct sockaddr_in sin_store; 5731 5732 #endif 5733 5734 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5735 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5736 5737 #if defined(INET) && defined(INET6) 5738 if (spa->ssp_addr.ss_family == AF_INET6) { 5739 struct sockaddr_in6 *sin6; 5740 5741 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5742 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5743 in6_sin6_2_sin(&sin_store, sin6); 5744 addr = (struct sockaddr *)&sin_store; 5745 } else { 5746 addr = (struct sockaddr *)&spa->ssp_addr; 5747 } 5748 } else { 5749 addr = (struct sockaddr *)&spa->ssp_addr; 5750 } 5751 #else 5752 addr = (struct sockaddr *)&spa->ssp_addr; 5753 #endif 5754 if (stcb != NULL) { 5755 net = sctp_findnet(stcb, addr); 5756 } else { 5757 /* 5758 * We increment here since 5759 * sctp_findassociation_ep_addr() wil do a 5760 * decrement if it finds the stcb as long as 5761 * the locked tcb (last argument) is NOT a 5762 * TCB.. aka NULL. 5763 */ 5764 net = NULL; 5765 SCTP_INP_INCR_REF(inp); 5766 stcb = sctp_findassociation_ep_addr(&inp, addr, 5767 &net, NULL, NULL); 5768 if (stcb == NULL) { 5769 SCTP_INP_DECR_REF(inp); 5770 } 5771 } 5772 5773 if ((stcb != NULL) && (net != NULL)) { 5774 if (net != stcb->asoc.primary_destination) { 5775 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5776 /* Ok we need to set it */ 5777 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5778 if ((stcb->asoc.alternate) && 5779 (!(net->dest_state & SCTP_ADDR_PF)) && 5780 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5781 sctp_free_remote_addr(stcb->asoc.alternate); 5782 stcb->asoc.alternate = NULL; 5783 } 5784 } else { 5785 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5786 error = EINVAL; 5787 } 5788 } else { 5789 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5790 error = EINVAL; 5791 } 5792 } 5793 } else { 5794 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5795 error = EINVAL; 5796 } 5797 if (stcb != NULL) { 5798 SCTP_TCB_UNLOCK(stcb); 5799 } 5800 break; 5801 } 5802 case SCTP_SET_DYNAMIC_PRIMARY: 5803 { 5804 union sctp_sockstore *ss; 5805 5806 error = priv_check(curthread, 5807 PRIV_NETINET_RESERVEDPORT); 5808 if (error) 5809 break; 5810 5811 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5812 /* SUPER USER CHECK? */ 5813 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5814 break; 5815 } 5816 case SCTP_SET_PEER_PRIMARY_ADDR: 5817 { 5818 struct sctp_setpeerprim *sspp; 5819 struct sockaddr *addr; 5820 5821 #if defined(INET) && defined(INET6) 5822 struct sockaddr_in sin_store; 5823 5824 #endif 5825 5826 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5827 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5828 if (stcb != NULL) { 5829 struct sctp_ifa *ifa; 5830 5831 #if defined(INET) && defined(INET6) 5832 if (sspp->sspp_addr.ss_family == AF_INET6) { 5833 struct sockaddr_in6 *sin6; 5834 5835 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5836 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5837 in6_sin6_2_sin(&sin_store, sin6); 5838 addr = (struct sockaddr *)&sin_store; 5839 } else { 5840 addr = (struct sockaddr *)&sspp->sspp_addr; 5841 } 5842 } else { 5843 addr = (struct sockaddr *)&sspp->sspp_addr; 5844 } 5845 #else 5846 addr = (struct sockaddr *)&sspp->sspp_addr; 5847 #endif 5848 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5849 if (ifa == NULL) { 5850 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5851 error = EINVAL; 5852 goto out_of_it; 5853 } 5854 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5855 /* 5856 * Must validate the ifa found is in 5857 * our ep 5858 */ 5859 struct sctp_laddr *laddr; 5860 int found = 0; 5861 5862 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5863 if (laddr->ifa == NULL) { 5864 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5865 __func__); 5866 continue; 5867 } 5868 if ((sctp_is_addr_restricted(stcb, laddr->ifa)) && 5869 (!sctp_is_addr_pending(stcb, laddr->ifa))) { 5870 continue; 5871 } 5872 if (laddr->ifa == ifa) { 5873 found = 1; 5874 break; 5875 } 5876 } 5877 if (!found) { 5878 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5879 error = EINVAL; 5880 goto out_of_it; 5881 } 5882 } else { 5883 switch (addr->sa_family) { 5884 #ifdef INET 5885 case AF_INET: 5886 { 5887 struct sockaddr_in *sin; 5888 5889 sin = (struct sockaddr_in *)addr; 5890 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5891 &sin->sin_addr) != 0) { 5892 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5893 error = EINVAL; 5894 goto out_of_it; 5895 } 5896 break; 5897 } 5898 #endif 5899 #ifdef INET6 5900 case AF_INET6: 5901 { 5902 struct sockaddr_in6 *sin6; 5903 5904 sin6 = (struct sockaddr_in6 *)addr; 5905 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5906 &sin6->sin6_addr) != 0) { 5907 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5908 error = EINVAL; 5909 goto out_of_it; 5910 } 5911 break; 5912 } 5913 #endif 5914 default: 5915 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5916 error = EINVAL; 5917 goto out_of_it; 5918 } 5919 } 5920 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5921 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5922 error = EINVAL; 5923 } 5924 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5925 out_of_it: 5926 SCTP_TCB_UNLOCK(stcb); 5927 } else { 5928 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5929 error = EINVAL; 5930 } 5931 break; 5932 } 5933 case SCTP_BINDX_ADD_ADDR: 5934 { 5935 struct sctp_getaddresses *addrs; 5936 struct thread *td; 5937 5938 td = (struct thread *)p; 5939 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5940 optsize); 5941 #ifdef INET 5942 if (addrs->addr->sa_family == AF_INET) { 5943 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5944 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5945 error = EINVAL; 5946 break; 5947 } 5948 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5949 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5950 break; 5951 } 5952 } else 5953 #endif 5954 #ifdef INET6 5955 if (addrs->addr->sa_family == AF_INET6) { 5956 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5957 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5958 error = EINVAL; 5959 break; 5960 } 5961 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5962 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5963 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5964 break; 5965 } 5966 } else 5967 #endif 5968 { 5969 error = EAFNOSUPPORT; 5970 break; 5971 } 5972 sctp_bindx_add_address(so, inp, addrs->addr, 5973 addrs->sget_assoc_id, vrf_id, 5974 &error, p); 5975 break; 5976 } 5977 case SCTP_BINDX_REM_ADDR: 5978 { 5979 struct sctp_getaddresses *addrs; 5980 struct thread *td; 5981 5982 td = (struct thread *)p; 5983 5984 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5985 #ifdef INET 5986 if (addrs->addr->sa_family == AF_INET) { 5987 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5988 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5989 error = EINVAL; 5990 break; 5991 } 5992 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5993 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5994 break; 5995 } 5996 } else 5997 #endif 5998 #ifdef INET6 5999 if (addrs->addr->sa_family == AF_INET6) { 6000 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 6001 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6002 error = EINVAL; 6003 break; 6004 } 6005 if (td != NULL && 6006 (error = prison_local_ip6(td->td_ucred, 6007 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 6008 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 6009 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6010 break; 6011 } 6012 } else 6013 #endif 6014 { 6015 error = EAFNOSUPPORT; 6016 break; 6017 } 6018 sctp_bindx_delete_address(inp, addrs->addr, 6019 addrs->sget_assoc_id, vrf_id, 6020 &error); 6021 break; 6022 } 6023 case SCTP_EVENT: 6024 { 6025 struct sctp_event *event; 6026 uint32_t event_type; 6027 6028 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 6029 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 6030 switch (event->se_type) { 6031 case SCTP_ASSOC_CHANGE: 6032 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 6033 break; 6034 case SCTP_PEER_ADDR_CHANGE: 6035 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 6036 break; 6037 case SCTP_REMOTE_ERROR: 6038 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 6039 break; 6040 case SCTP_SEND_FAILED: 6041 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 6042 break; 6043 case SCTP_SHUTDOWN_EVENT: 6044 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 6045 break; 6046 case SCTP_ADAPTATION_INDICATION: 6047 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 6048 break; 6049 case SCTP_PARTIAL_DELIVERY_EVENT: 6050 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 6051 break; 6052 case SCTP_AUTHENTICATION_EVENT: 6053 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 6054 break; 6055 case SCTP_STREAM_RESET_EVENT: 6056 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 6057 break; 6058 case SCTP_SENDER_DRY_EVENT: 6059 event_type = SCTP_PCB_FLAGS_DRYEVNT; 6060 break; 6061 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 6062 event_type = 0; 6063 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6064 error = ENOTSUP; 6065 break; 6066 case SCTP_ASSOC_RESET_EVENT: 6067 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 6068 break; 6069 case SCTP_STREAM_CHANGE_EVENT: 6070 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 6071 break; 6072 case SCTP_SEND_FAILED_EVENT: 6073 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 6074 break; 6075 default: 6076 event_type = 0; 6077 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6078 error = EINVAL; 6079 break; 6080 } 6081 if (event_type > 0) { 6082 if (stcb) { 6083 if (event->se_on) { 6084 sctp_stcb_feature_on(inp, stcb, event_type); 6085 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 6086 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 6087 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 6088 (stcb->asoc.stream_queue_cnt == 0)) { 6089 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 6090 } 6091 } 6092 } else { 6093 sctp_stcb_feature_off(inp, stcb, event_type); 6094 } 6095 SCTP_TCB_UNLOCK(stcb); 6096 } else { 6097 /* 6098 * We don't want to send up a storm 6099 * of events, so return an error for 6100 * sender dry events 6101 */ 6102 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 6103 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 6104 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 6105 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 6106 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 6107 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6108 error = ENOTSUP; 6109 break; 6110 } 6111 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6112 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6113 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 6114 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6115 SCTP_INP_WLOCK(inp); 6116 if (event->se_on) { 6117 sctp_feature_on(inp, event_type); 6118 } else { 6119 sctp_feature_off(inp, event_type); 6120 } 6121 SCTP_INP_WUNLOCK(inp); 6122 } 6123 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 6124 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6125 SCTP_INP_RLOCK(inp); 6126 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6127 SCTP_TCB_LOCK(stcb); 6128 if (event->se_on) { 6129 sctp_stcb_feature_on(inp, stcb, event_type); 6130 } else { 6131 sctp_stcb_feature_off(inp, stcb, event_type); 6132 } 6133 SCTP_TCB_UNLOCK(stcb); 6134 } 6135 SCTP_INP_RUNLOCK(inp); 6136 } 6137 } 6138 } 6139 break; 6140 } 6141 case SCTP_RECVRCVINFO: 6142 { 6143 int *onoff; 6144 6145 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6146 SCTP_INP_WLOCK(inp); 6147 if (*onoff != 0) { 6148 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6149 } else { 6150 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6151 } 6152 SCTP_INP_WUNLOCK(inp); 6153 break; 6154 } 6155 case SCTP_RECVNXTINFO: 6156 { 6157 int *onoff; 6158 6159 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6160 SCTP_INP_WLOCK(inp); 6161 if (*onoff != 0) { 6162 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6163 } else { 6164 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6165 } 6166 SCTP_INP_WUNLOCK(inp); 6167 break; 6168 } 6169 case SCTP_DEFAULT_SNDINFO: 6170 { 6171 struct sctp_sndinfo *info; 6172 uint16_t policy; 6173 6174 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6175 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6176 6177 if (stcb) { 6178 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6179 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6180 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6181 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6182 stcb->asoc.def_send.sinfo_flags |= policy; 6183 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6184 stcb->asoc.def_send.sinfo_context = info->snd_context; 6185 } else { 6186 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6187 error = EINVAL; 6188 } 6189 SCTP_TCB_UNLOCK(stcb); 6190 } else { 6191 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6192 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6193 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6194 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6195 SCTP_INP_WLOCK(inp); 6196 inp->def_send.sinfo_stream = info->snd_sid; 6197 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6198 inp->def_send.sinfo_flags = info->snd_flags; 6199 inp->def_send.sinfo_flags |= policy; 6200 inp->def_send.sinfo_ppid = info->snd_ppid; 6201 inp->def_send.sinfo_context = info->snd_context; 6202 SCTP_INP_WUNLOCK(inp); 6203 } 6204 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6205 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6206 SCTP_INP_RLOCK(inp); 6207 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6208 SCTP_TCB_LOCK(stcb); 6209 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6210 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6211 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6212 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6213 stcb->asoc.def_send.sinfo_flags |= policy; 6214 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6215 stcb->asoc.def_send.sinfo_context = info->snd_context; 6216 } 6217 SCTP_TCB_UNLOCK(stcb); 6218 } 6219 SCTP_INP_RUNLOCK(inp); 6220 } 6221 } 6222 break; 6223 } 6224 case SCTP_DEFAULT_PRINFO: 6225 { 6226 struct sctp_default_prinfo *info; 6227 6228 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6229 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6230 6231 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6232 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6233 error = EINVAL; 6234 break; 6235 } 6236 if (stcb) { 6237 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6238 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6239 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6240 SCTP_TCB_UNLOCK(stcb); 6241 } else { 6242 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6243 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6244 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6245 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6246 SCTP_INP_WLOCK(inp); 6247 inp->def_send.sinfo_flags &= 0xfff0; 6248 inp->def_send.sinfo_flags |= info->pr_policy; 6249 inp->def_send.sinfo_timetolive = info->pr_value; 6250 SCTP_INP_WUNLOCK(inp); 6251 } 6252 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6253 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6254 SCTP_INP_RLOCK(inp); 6255 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6256 SCTP_TCB_LOCK(stcb); 6257 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6258 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6259 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6260 SCTP_TCB_UNLOCK(stcb); 6261 } 6262 SCTP_INP_RUNLOCK(inp); 6263 } 6264 } 6265 break; 6266 } 6267 case SCTP_PEER_ADDR_THLDS: 6268 /* Applies to the specific association */ 6269 { 6270 struct sctp_paddrthlds *thlds; 6271 struct sctp_nets *net; 6272 struct sockaddr *addr; 6273 6274 #if defined(INET) && defined(INET6) 6275 struct sockaddr_in sin_store; 6276 6277 #endif 6278 6279 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6280 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6281 6282 #if defined(INET) && defined(INET6) 6283 if (thlds->spt_address.ss_family == AF_INET6) { 6284 struct sockaddr_in6 *sin6; 6285 6286 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6287 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6288 in6_sin6_2_sin(&sin_store, sin6); 6289 addr = (struct sockaddr *)&sin_store; 6290 } else { 6291 addr = (struct sockaddr *)&thlds->spt_address; 6292 } 6293 } else { 6294 addr = (struct sockaddr *)&thlds->spt_address; 6295 } 6296 #else 6297 addr = (struct sockaddr *)&thlds->spt_address; 6298 #endif 6299 if (stcb != NULL) { 6300 net = sctp_findnet(stcb, addr); 6301 } else { 6302 /* 6303 * We increment here since 6304 * sctp_findassociation_ep_addr() wil do a 6305 * decrement if it finds the stcb as long as 6306 * the locked tcb (last argument) is NOT a 6307 * TCB.. aka NULL. 6308 */ 6309 net = NULL; 6310 SCTP_INP_INCR_REF(inp); 6311 stcb = sctp_findassociation_ep_addr(&inp, addr, 6312 &net, NULL, NULL); 6313 if (stcb == NULL) { 6314 SCTP_INP_DECR_REF(inp); 6315 } 6316 } 6317 if ((stcb != NULL) && (net == NULL)) { 6318 #ifdef INET 6319 if (addr->sa_family == AF_INET) { 6320 6321 struct sockaddr_in *sin; 6322 6323 sin = (struct sockaddr_in *)addr; 6324 if (sin->sin_addr.s_addr != INADDR_ANY) { 6325 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6326 SCTP_TCB_UNLOCK(stcb); 6327 error = EINVAL; 6328 break; 6329 } 6330 } else 6331 #endif 6332 #ifdef INET6 6333 if (addr->sa_family == AF_INET6) { 6334 struct sockaddr_in6 *sin6; 6335 6336 sin6 = (struct sockaddr_in6 *)addr; 6337 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6338 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6339 SCTP_TCB_UNLOCK(stcb); 6340 error = EINVAL; 6341 break; 6342 } 6343 } else 6344 #endif 6345 { 6346 error = EAFNOSUPPORT; 6347 SCTP_TCB_UNLOCK(stcb); 6348 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6349 break; 6350 } 6351 } 6352 if (thlds->spt_pathcpthld != 0xffff) { 6353 error = EINVAL; 6354 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6355 break; 6356 } 6357 if (stcb != NULL) { 6358 if (net != NULL) { 6359 net->failure_threshold = thlds->spt_pathmaxrxt; 6360 net->pf_threshold = thlds->spt_pathpfthld; 6361 if (net->dest_state & SCTP_ADDR_PF) { 6362 if ((net->error_count > net->failure_threshold) || 6363 (net->error_count <= net->pf_threshold)) { 6364 net->dest_state &= ~SCTP_ADDR_PF; 6365 } 6366 } else { 6367 if ((net->error_count > net->pf_threshold) && 6368 (net->error_count <= net->failure_threshold)) { 6369 net->dest_state |= SCTP_ADDR_PF; 6370 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6371 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6372 stcb->sctp_ep, stcb, net, 6373 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); 6374 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6375 } 6376 } 6377 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6378 if (net->error_count > net->failure_threshold) { 6379 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6380 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6381 } 6382 } else { 6383 if (net->error_count <= net->failure_threshold) { 6384 net->dest_state |= SCTP_ADDR_REACHABLE; 6385 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6386 } 6387 } 6388 } else { 6389 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6390 net->failure_threshold = thlds->spt_pathmaxrxt; 6391 net->pf_threshold = thlds->spt_pathpfthld; 6392 if (net->dest_state & SCTP_ADDR_PF) { 6393 if ((net->error_count > net->failure_threshold) || 6394 (net->error_count <= net->pf_threshold)) { 6395 net->dest_state &= ~SCTP_ADDR_PF; 6396 } 6397 } else { 6398 if ((net->error_count > net->pf_threshold) && 6399 (net->error_count <= net->failure_threshold)) { 6400 net->dest_state |= SCTP_ADDR_PF; 6401 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6402 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6403 stcb->sctp_ep, stcb, net, 6404 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6405 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6406 } 6407 } 6408 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6409 if (net->error_count > net->failure_threshold) { 6410 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6411 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6412 } 6413 } else { 6414 if (net->error_count <= net->failure_threshold) { 6415 net->dest_state |= SCTP_ADDR_REACHABLE; 6416 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6417 } 6418 } 6419 } 6420 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6421 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6422 } 6423 SCTP_TCB_UNLOCK(stcb); 6424 } else { 6425 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6426 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6427 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 6428 SCTP_INP_WLOCK(inp); 6429 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6430 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6431 SCTP_INP_WUNLOCK(inp); 6432 } else { 6433 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6434 error = EINVAL; 6435 } 6436 } 6437 break; 6438 } 6439 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6440 { 6441 struct sctp_udpencaps *encaps; 6442 struct sctp_nets *net; 6443 struct sockaddr *addr; 6444 6445 #if defined(INET) && defined(INET6) 6446 struct sockaddr_in sin_store; 6447 6448 #endif 6449 6450 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6451 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6452 6453 #if defined(INET) && defined(INET6) 6454 if (encaps->sue_address.ss_family == AF_INET6) { 6455 struct sockaddr_in6 *sin6; 6456 6457 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6458 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6459 in6_sin6_2_sin(&sin_store, sin6); 6460 addr = (struct sockaddr *)&sin_store; 6461 } else { 6462 addr = (struct sockaddr *)&encaps->sue_address; 6463 } 6464 } else { 6465 addr = (struct sockaddr *)&encaps->sue_address; 6466 } 6467 #else 6468 addr = (struct sockaddr *)&encaps->sue_address; 6469 #endif 6470 if (stcb != NULL) { 6471 net = sctp_findnet(stcb, addr); 6472 } else { 6473 /* 6474 * We increment here since 6475 * sctp_findassociation_ep_addr() wil do a 6476 * decrement if it finds the stcb as long as 6477 * the locked tcb (last argument) is NOT a 6478 * TCB.. aka NULL. 6479 */ 6480 net = NULL; 6481 SCTP_INP_INCR_REF(inp); 6482 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6483 if (stcb == NULL) { 6484 SCTP_INP_DECR_REF(inp); 6485 } 6486 } 6487 if ((stcb != NULL) && (net == NULL)) { 6488 #ifdef INET 6489 if (addr->sa_family == AF_INET) { 6490 6491 struct sockaddr_in *sin; 6492 6493 sin = (struct sockaddr_in *)addr; 6494 if (sin->sin_addr.s_addr != INADDR_ANY) { 6495 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6496 SCTP_TCB_UNLOCK(stcb); 6497 error = EINVAL; 6498 break; 6499 } 6500 } else 6501 #endif 6502 #ifdef INET6 6503 if (addr->sa_family == AF_INET6) { 6504 struct sockaddr_in6 *sin6; 6505 6506 sin6 = (struct sockaddr_in6 *)addr; 6507 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6508 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6509 SCTP_TCB_UNLOCK(stcb); 6510 error = EINVAL; 6511 break; 6512 } 6513 } else 6514 #endif 6515 { 6516 error = EAFNOSUPPORT; 6517 SCTP_TCB_UNLOCK(stcb); 6518 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6519 break; 6520 } 6521 } 6522 if (stcb != NULL) { 6523 if (net != NULL) { 6524 net->port = encaps->sue_port; 6525 } else { 6526 stcb->asoc.port = encaps->sue_port; 6527 } 6528 SCTP_TCB_UNLOCK(stcb); 6529 } else { 6530 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6531 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6532 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 6533 SCTP_INP_WLOCK(inp); 6534 inp->sctp_ep.port = encaps->sue_port; 6535 SCTP_INP_WUNLOCK(inp); 6536 } else { 6537 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6538 error = EINVAL; 6539 } 6540 } 6541 break; 6542 } 6543 case SCTP_ECN_SUPPORTED: 6544 { 6545 struct sctp_assoc_value *av; 6546 6547 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6548 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6549 6550 if (stcb) { 6551 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6552 error = EINVAL; 6553 SCTP_TCB_UNLOCK(stcb); 6554 } else { 6555 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6556 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6557 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6558 SCTP_INP_WLOCK(inp); 6559 if (av->assoc_value == 0) { 6560 inp->ecn_supported = 0; 6561 } else { 6562 inp->ecn_supported = 1; 6563 } 6564 SCTP_INP_WUNLOCK(inp); 6565 } else { 6566 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6567 error = EINVAL; 6568 } 6569 } 6570 break; 6571 } 6572 case SCTP_PR_SUPPORTED: 6573 { 6574 struct sctp_assoc_value *av; 6575 6576 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6577 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6578 6579 if (stcb) { 6580 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6581 error = EINVAL; 6582 SCTP_TCB_UNLOCK(stcb); 6583 } else { 6584 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6585 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6586 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6587 SCTP_INP_WLOCK(inp); 6588 if (av->assoc_value == 0) { 6589 inp->prsctp_supported = 0; 6590 } else { 6591 inp->prsctp_supported = 1; 6592 } 6593 SCTP_INP_WUNLOCK(inp); 6594 } else { 6595 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6596 error = EINVAL; 6597 } 6598 } 6599 break; 6600 } 6601 case SCTP_AUTH_SUPPORTED: 6602 { 6603 struct sctp_assoc_value *av; 6604 6605 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6606 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6607 6608 if (stcb) { 6609 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6610 error = EINVAL; 6611 SCTP_TCB_UNLOCK(stcb); 6612 } else { 6613 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6614 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6615 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6616 if ((av->assoc_value == 0) && 6617 (inp->asconf_supported == 1)) { 6618 /* 6619 * AUTH is required for 6620 * ASCONF 6621 */ 6622 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6623 error = EINVAL; 6624 } else { 6625 SCTP_INP_WLOCK(inp); 6626 if (av->assoc_value == 0) { 6627 inp->auth_supported = 0; 6628 } else { 6629 inp->auth_supported = 1; 6630 } 6631 SCTP_INP_WUNLOCK(inp); 6632 } 6633 } else { 6634 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6635 error = EINVAL; 6636 } 6637 } 6638 break; 6639 } 6640 case SCTP_ASCONF_SUPPORTED: 6641 { 6642 struct sctp_assoc_value *av; 6643 6644 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6645 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6646 6647 if (stcb) { 6648 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6649 error = EINVAL; 6650 SCTP_TCB_UNLOCK(stcb); 6651 } else { 6652 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6653 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6654 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6655 if ((av->assoc_value != 0) && 6656 (inp->auth_supported == 0)) { 6657 /* 6658 * AUTH is required for 6659 * ASCONF 6660 */ 6661 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6662 error = EINVAL; 6663 } else { 6664 SCTP_INP_WLOCK(inp); 6665 if (av->assoc_value == 0) { 6666 inp->asconf_supported = 0; 6667 sctp_auth_delete_chunk(SCTP_ASCONF, 6668 inp->sctp_ep.local_auth_chunks); 6669 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6670 inp->sctp_ep.local_auth_chunks); 6671 } else { 6672 inp->asconf_supported = 1; 6673 sctp_auth_add_chunk(SCTP_ASCONF, 6674 inp->sctp_ep.local_auth_chunks); 6675 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6676 inp->sctp_ep.local_auth_chunks); 6677 } 6678 SCTP_INP_WUNLOCK(inp); 6679 } 6680 } else { 6681 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6682 error = EINVAL; 6683 } 6684 } 6685 break; 6686 } 6687 case SCTP_RECONFIG_SUPPORTED: 6688 { 6689 struct sctp_assoc_value *av; 6690 6691 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6692 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6693 6694 if (stcb) { 6695 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6696 error = EINVAL; 6697 SCTP_TCB_UNLOCK(stcb); 6698 } else { 6699 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6700 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6701 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6702 SCTP_INP_WLOCK(inp); 6703 if (av->assoc_value == 0) { 6704 inp->reconfig_supported = 0; 6705 } else { 6706 inp->reconfig_supported = 1; 6707 } 6708 SCTP_INP_WUNLOCK(inp); 6709 } else { 6710 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6711 error = EINVAL; 6712 } 6713 } 6714 break; 6715 } 6716 case SCTP_NRSACK_SUPPORTED: 6717 { 6718 struct sctp_assoc_value *av; 6719 6720 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6721 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6722 6723 if (stcb) { 6724 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6725 error = EINVAL; 6726 SCTP_TCB_UNLOCK(stcb); 6727 } else { 6728 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6729 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6730 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6731 SCTP_INP_WLOCK(inp); 6732 if (av->assoc_value == 0) { 6733 inp->nrsack_supported = 0; 6734 } else { 6735 inp->nrsack_supported = 1; 6736 } 6737 SCTP_INP_WUNLOCK(inp); 6738 } else { 6739 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6740 error = EINVAL; 6741 } 6742 } 6743 break; 6744 } 6745 case SCTP_PKTDROP_SUPPORTED: 6746 { 6747 struct sctp_assoc_value *av; 6748 6749 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6750 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6751 6752 if (stcb) { 6753 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6754 error = EINVAL; 6755 SCTP_TCB_UNLOCK(stcb); 6756 } else { 6757 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6758 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6759 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6760 SCTP_INP_WLOCK(inp); 6761 if (av->assoc_value == 0) { 6762 inp->pktdrop_supported = 0; 6763 } else { 6764 inp->pktdrop_supported = 1; 6765 } 6766 SCTP_INP_WUNLOCK(inp); 6767 } else { 6768 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6769 error = EINVAL; 6770 } 6771 } 6772 break; 6773 } 6774 case SCTP_MAX_CWND: 6775 { 6776 struct sctp_assoc_value *av; 6777 struct sctp_nets *net; 6778 6779 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6780 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6781 6782 if (stcb) { 6783 stcb->asoc.max_cwnd = av->assoc_value; 6784 if (stcb->asoc.max_cwnd > 0) { 6785 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6786 if ((net->cwnd > stcb->asoc.max_cwnd) && 6787 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6788 net->cwnd = stcb->asoc.max_cwnd; 6789 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6790 net->cwnd = net->mtu - sizeof(struct sctphdr); 6791 } 6792 } 6793 } 6794 } 6795 SCTP_TCB_UNLOCK(stcb); 6796 } else { 6797 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6798 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6799 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6800 SCTP_INP_WLOCK(inp); 6801 inp->max_cwnd = av->assoc_value; 6802 SCTP_INP_WUNLOCK(inp); 6803 } else { 6804 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6805 error = EINVAL; 6806 } 6807 } 6808 break; 6809 } 6810 default: 6811 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6812 error = ENOPROTOOPT; 6813 break; 6814 } /* end switch (opt) */ 6815 return (error); 6816 } 6817 6818 int 6819 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6820 { 6821 void *optval = NULL; 6822 size_t optsize = 0; 6823 void *p; 6824 int error = 0; 6825 struct sctp_inpcb *inp; 6826 6827 if ((sopt->sopt_level == SOL_SOCKET) && 6828 (sopt->sopt_name == SO_SETFIB)) { 6829 inp = (struct sctp_inpcb *)so->so_pcb; 6830 if (inp == NULL) { 6831 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6832 return (EINVAL); 6833 } 6834 SCTP_INP_WLOCK(inp); 6835 inp->fibnum = so->so_fibnum; 6836 SCTP_INP_WUNLOCK(inp); 6837 return (0); 6838 } 6839 if (sopt->sopt_level != IPPROTO_SCTP) { 6840 /* wrong proto level... send back up to IP */ 6841 #ifdef INET6 6842 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6843 error = ip6_ctloutput(so, sopt); 6844 #endif /* INET6 */ 6845 #if defined(INET) && defined(INET6) 6846 else 6847 #endif 6848 #ifdef INET 6849 error = ip_ctloutput(so, sopt); 6850 #endif 6851 return (error); 6852 } 6853 optsize = sopt->sopt_valsize; 6854 if (optsize) { 6855 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6856 if (optval == NULL) { 6857 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6858 return (ENOBUFS); 6859 } 6860 error = sooptcopyin(sopt, optval, optsize, optsize); 6861 if (error) { 6862 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6863 goto out; 6864 } 6865 } 6866 p = (void *)sopt->sopt_td; 6867 if (sopt->sopt_dir == SOPT_SET) { 6868 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6869 } else if (sopt->sopt_dir == SOPT_GET) { 6870 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6871 } else { 6872 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6873 error = EINVAL; 6874 } 6875 if ((error == 0) && (optval != NULL)) { 6876 error = sooptcopyout(sopt, optval, optsize); 6877 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6878 } else if (optval != NULL) { 6879 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6880 } 6881 out: 6882 return (error); 6883 } 6884 6885 #ifdef INET 6886 static int 6887 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6888 { 6889 int error = 0; 6890 int create_lock_on = 0; 6891 uint32_t vrf_id; 6892 struct sctp_inpcb *inp; 6893 struct sctp_tcb *stcb = NULL; 6894 6895 inp = (struct sctp_inpcb *)so->so_pcb; 6896 if (inp == NULL) { 6897 /* I made the same as TCP since we are not setup? */ 6898 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6899 return (ECONNRESET); 6900 } 6901 if (addr == NULL) { 6902 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6903 return EINVAL; 6904 } 6905 switch (addr->sa_family) { 6906 #ifdef INET6 6907 case AF_INET6: 6908 { 6909 struct sockaddr_in6 *sin6p; 6910 6911 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6912 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6913 return (EINVAL); 6914 } 6915 sin6p = (struct sockaddr_in6 *)addr; 6916 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 6917 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6918 return (error); 6919 } 6920 break; 6921 } 6922 #endif 6923 #ifdef INET 6924 case AF_INET: 6925 { 6926 struct sockaddr_in *sinp; 6927 6928 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6929 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6930 return (EINVAL); 6931 } 6932 sinp = (struct sockaddr_in *)addr; 6933 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 6934 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6935 return (error); 6936 } 6937 break; 6938 } 6939 #endif 6940 default: 6941 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 6942 return (EAFNOSUPPORT); 6943 } 6944 SCTP_INP_INCR_REF(inp); 6945 SCTP_ASOC_CREATE_LOCK(inp); 6946 create_lock_on = 1; 6947 6948 6949 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 6950 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 6951 /* Should I really unlock ? */ 6952 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 6953 error = EFAULT; 6954 goto out_now; 6955 } 6956 #ifdef INET6 6957 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 6958 (addr->sa_family == AF_INET6)) { 6959 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6960 error = EINVAL; 6961 goto out_now; 6962 } 6963 #endif 6964 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 6965 SCTP_PCB_FLAGS_UNBOUND) { 6966 /* Bind a ephemeral port */ 6967 error = sctp_inpcb_bind(so, NULL, NULL, p); 6968 if (error) { 6969 goto out_now; 6970 } 6971 } 6972 /* Now do we connect? */ 6973 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 6974 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 6975 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6976 error = EINVAL; 6977 goto out_now; 6978 } 6979 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6980 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6981 /* We are already connected AND the TCP model */ 6982 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6983 error = EADDRINUSE; 6984 goto out_now; 6985 } 6986 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6987 SCTP_INP_RLOCK(inp); 6988 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6989 SCTP_INP_RUNLOCK(inp); 6990 } else { 6991 /* 6992 * We increment here since sctp_findassociation_ep_addr() 6993 * will do a decrement if it finds the stcb as long as the 6994 * locked tcb (last argument) is NOT a TCB.. aka NULL. 6995 */ 6996 SCTP_INP_INCR_REF(inp); 6997 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 6998 if (stcb == NULL) { 6999 SCTP_INP_DECR_REF(inp); 7000 } else { 7001 SCTP_TCB_UNLOCK(stcb); 7002 } 7003 } 7004 if (stcb != NULL) { 7005 /* Already have or am bring up an association */ 7006 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 7007 error = EALREADY; 7008 goto out_now; 7009 } 7010 vrf_id = inp->def_vrf_id; 7011 /* We are GOOD to go */ 7012 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, 7013 inp->sctp_ep.pre_open_stream_count, 7014 inp->sctp_ep.port, p); 7015 if (stcb == NULL) { 7016 /* Gak! no memory */ 7017 goto out_now; 7018 } 7019 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 7020 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 7021 /* Set the connected flag so we can queue data */ 7022 soisconnecting(so); 7023 } 7024 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 7025 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 7026 7027 /* initialize authentication parameters for the assoc */ 7028 sctp_initialize_auth_params(inp, stcb); 7029 7030 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 7031 SCTP_TCB_UNLOCK(stcb); 7032 out_now: 7033 if (create_lock_on) { 7034 SCTP_ASOC_CREATE_UNLOCK(inp); 7035 } 7036 SCTP_INP_DECR_REF(inp); 7037 return (error); 7038 } 7039 7040 #endif 7041 7042 int 7043 sctp_listen(struct socket *so, int backlog, struct thread *p) 7044 { 7045 /* 7046 * Note this module depends on the protocol processing being called 7047 * AFTER any socket level flags and backlog are applied to the 7048 * socket. The traditional way that the socket flags are applied is 7049 * AFTER protocol processing. We have made a change to the 7050 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 7051 * place if the socket API for SCTP is to work properly. 7052 */ 7053 7054 int error = 0; 7055 struct sctp_inpcb *inp; 7056 7057 inp = (struct sctp_inpcb *)so->so_pcb; 7058 if (inp == NULL) { 7059 /* I made the same as TCP since we are not setup? */ 7060 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7061 return (ECONNRESET); 7062 } 7063 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 7064 /* See if we have a listener */ 7065 struct sctp_inpcb *tinp; 7066 union sctp_sockstore store; 7067 7068 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 7069 /* not bound all */ 7070 struct sctp_laddr *laddr; 7071 7072 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7073 memcpy(&store, &laddr->ifa->address, sizeof(store)); 7074 switch (store.sa.sa_family) { 7075 #ifdef INET 7076 case AF_INET: 7077 store.sin.sin_port = inp->sctp_lport; 7078 break; 7079 #endif 7080 #ifdef INET6 7081 case AF_INET6: 7082 store.sin6.sin6_port = inp->sctp_lport; 7083 break; 7084 #endif 7085 default: 7086 break; 7087 } 7088 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7089 if (tinp && (tinp != inp) && 7090 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7091 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7092 (tinp->sctp_socket->so_qlimit)) { 7093 /* 7094 * we have a listener already and 7095 * its not this inp. 7096 */ 7097 SCTP_INP_DECR_REF(tinp); 7098 return (EADDRINUSE); 7099 } else if (tinp) { 7100 SCTP_INP_DECR_REF(tinp); 7101 } 7102 } 7103 } else { 7104 /* Setup a local addr bound all */ 7105 memset(&store, 0, sizeof(store)); 7106 #ifdef INET6 7107 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 7108 store.sa.sa_family = AF_INET6; 7109 store.sa.sa_len = sizeof(struct sockaddr_in6); 7110 } 7111 #endif 7112 #ifdef INET 7113 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 7114 store.sa.sa_family = AF_INET; 7115 store.sa.sa_len = sizeof(struct sockaddr_in); 7116 } 7117 #endif 7118 switch (store.sa.sa_family) { 7119 #ifdef INET 7120 case AF_INET: 7121 store.sin.sin_port = inp->sctp_lport; 7122 break; 7123 #endif 7124 #ifdef INET6 7125 case AF_INET6: 7126 store.sin6.sin6_port = inp->sctp_lport; 7127 break; 7128 #endif 7129 default: 7130 break; 7131 } 7132 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7133 if (tinp && (tinp != inp) && 7134 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7135 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7136 (tinp->sctp_socket->so_qlimit)) { 7137 /* 7138 * we have a listener already and its not 7139 * this inp. 7140 */ 7141 SCTP_INP_DECR_REF(tinp); 7142 return (EADDRINUSE); 7143 } else if (tinp) { 7144 SCTP_INP_DECR_REF(tinp); 7145 } 7146 } 7147 } 7148 SCTP_INP_RLOCK(inp); 7149 #ifdef SCTP_LOCK_LOGGING 7150 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 7151 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 7152 } 7153 #endif 7154 SOCK_LOCK(so); 7155 error = solisten_proto_check(so); 7156 SOCK_UNLOCK(so); 7157 if (error) { 7158 SCTP_INP_RUNLOCK(inp); 7159 return (error); 7160 } 7161 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 7162 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 7163 /* 7164 * The unlucky case - We are in the tcp pool with this guy. 7165 * - Someone else is in the main inp slot. - We must move 7166 * this guy (the listener) to the main slot - We must then 7167 * move the guy that was listener to the TCP Pool. 7168 */ 7169 if (sctp_swap_inpcb_for_listen(inp)) { 7170 SCTP_INP_RUNLOCK(inp); 7171 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7172 return (EADDRINUSE); 7173 } 7174 } 7175 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7176 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7177 /* We are already connected AND the TCP model */ 7178 SCTP_INP_RUNLOCK(inp); 7179 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7180 return (EADDRINUSE); 7181 } 7182 SCTP_INP_RUNLOCK(inp); 7183 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7184 /* We must do a bind. */ 7185 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 7186 /* bind error, probably perm */ 7187 return (error); 7188 } 7189 } 7190 SOCK_LOCK(so); 7191 /* It appears for 7.0 and on, we must always call this. */ 7192 solisten_proto(so, backlog); 7193 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7194 /* remove the ACCEPTCONN flag for one-to-many sockets */ 7195 so->so_options &= ~SO_ACCEPTCONN; 7196 } 7197 if (backlog == 0) { 7198 /* turning off listen */ 7199 so->so_options &= ~SO_ACCEPTCONN; 7200 } 7201 SOCK_UNLOCK(so); 7202 return (error); 7203 } 7204 7205 static int sctp_defered_wakeup_cnt = 0; 7206 7207 int 7208 sctp_accept(struct socket *so, struct sockaddr **addr) 7209 { 7210 struct sctp_tcb *stcb; 7211 struct sctp_inpcb *inp; 7212 union sctp_sockstore store; 7213 7214 #ifdef INET6 7215 int error; 7216 7217 #endif 7218 inp = (struct sctp_inpcb *)so->so_pcb; 7219 7220 if (inp == NULL) { 7221 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7222 return (ECONNRESET); 7223 } 7224 SCTP_INP_RLOCK(inp); 7225 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7226 SCTP_INP_RUNLOCK(inp); 7227 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7228 return (EOPNOTSUPP); 7229 } 7230 if (so->so_state & SS_ISDISCONNECTED) { 7231 SCTP_INP_RUNLOCK(inp); 7232 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7233 return (ECONNABORTED); 7234 } 7235 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7236 if (stcb == NULL) { 7237 SCTP_INP_RUNLOCK(inp); 7238 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7239 return (ECONNRESET); 7240 } 7241 SCTP_TCB_LOCK(stcb); 7242 SCTP_INP_RUNLOCK(inp); 7243 store = stcb->asoc.primary_destination->ro._l_addr; 7244 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 7245 SCTP_TCB_UNLOCK(stcb); 7246 switch (store.sa.sa_family) { 7247 #ifdef INET 7248 case AF_INET: 7249 { 7250 struct sockaddr_in *sin; 7251 7252 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7253 if (sin == NULL) 7254 return (ENOMEM); 7255 sin->sin_family = AF_INET; 7256 sin->sin_len = sizeof(*sin); 7257 sin->sin_port = store.sin.sin_port; 7258 sin->sin_addr = store.sin.sin_addr; 7259 *addr = (struct sockaddr *)sin; 7260 break; 7261 } 7262 #endif 7263 #ifdef INET6 7264 case AF_INET6: 7265 { 7266 struct sockaddr_in6 *sin6; 7267 7268 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7269 if (sin6 == NULL) 7270 return (ENOMEM); 7271 sin6->sin6_family = AF_INET6; 7272 sin6->sin6_len = sizeof(*sin6); 7273 sin6->sin6_port = store.sin6.sin6_port; 7274 sin6->sin6_addr = store.sin6.sin6_addr; 7275 if ((error = sa6_recoverscope(sin6)) != 0) { 7276 SCTP_FREE_SONAME(sin6); 7277 return (error); 7278 } 7279 *addr = (struct sockaddr *)sin6; 7280 break; 7281 } 7282 #endif 7283 default: 7284 /* TSNH */ 7285 break; 7286 } 7287 /* Wake any delayed sleep action */ 7288 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7289 SCTP_INP_WLOCK(inp); 7290 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7291 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7292 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7293 SCTP_INP_WUNLOCK(inp); 7294 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7295 if (sowriteable(inp->sctp_socket)) { 7296 sowwakeup_locked(inp->sctp_socket); 7297 } else { 7298 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7299 } 7300 SCTP_INP_WLOCK(inp); 7301 } 7302 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7303 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7304 SCTP_INP_WUNLOCK(inp); 7305 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7306 if (soreadable(inp->sctp_socket)) { 7307 sctp_defered_wakeup_cnt++; 7308 sorwakeup_locked(inp->sctp_socket); 7309 } else { 7310 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7311 } 7312 SCTP_INP_WLOCK(inp); 7313 } 7314 SCTP_INP_WUNLOCK(inp); 7315 } 7316 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7317 SCTP_TCB_LOCK(stcb); 7318 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7319 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7320 } 7321 return (0); 7322 } 7323 7324 #ifdef INET 7325 int 7326 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7327 { 7328 struct sockaddr_in *sin; 7329 uint32_t vrf_id; 7330 struct sctp_inpcb *inp; 7331 struct sctp_ifa *sctp_ifa; 7332 7333 /* 7334 * Do the malloc first in case it blocks. 7335 */ 7336 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7337 if (sin == NULL) 7338 return (ENOMEM); 7339 sin->sin_family = AF_INET; 7340 sin->sin_len = sizeof(*sin); 7341 inp = (struct sctp_inpcb *)so->so_pcb; 7342 if (!inp) { 7343 SCTP_FREE_SONAME(sin); 7344 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7345 return (ECONNRESET); 7346 } 7347 SCTP_INP_RLOCK(inp); 7348 sin->sin_port = inp->sctp_lport; 7349 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7350 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7351 struct sctp_tcb *stcb; 7352 struct sockaddr_in *sin_a; 7353 struct sctp_nets *net; 7354 int fnd; 7355 7356 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7357 if (stcb == NULL) { 7358 goto notConn; 7359 } 7360 fnd = 0; 7361 sin_a = NULL; 7362 SCTP_TCB_LOCK(stcb); 7363 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7364 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7365 if (sin_a == NULL) 7366 /* this will make coverity happy */ 7367 continue; 7368 7369 if (sin_a->sin_family == AF_INET) { 7370 fnd = 1; 7371 break; 7372 } 7373 } 7374 if ((!fnd) || (sin_a == NULL)) { 7375 /* punt */ 7376 SCTP_TCB_UNLOCK(stcb); 7377 goto notConn; 7378 } 7379 vrf_id = inp->def_vrf_id; 7380 sctp_ifa = sctp_source_address_selection(inp, 7381 stcb, 7382 (sctp_route_t *) & net->ro, 7383 net, 0, vrf_id); 7384 if (sctp_ifa) { 7385 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7386 sctp_free_ifa(sctp_ifa); 7387 } 7388 SCTP_TCB_UNLOCK(stcb); 7389 } else { 7390 /* For the bound all case you get back 0 */ 7391 notConn: 7392 sin->sin_addr.s_addr = 0; 7393 } 7394 7395 } else { 7396 /* Take the first IPv4 address in the list */ 7397 struct sctp_laddr *laddr; 7398 int fnd = 0; 7399 7400 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7401 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7402 struct sockaddr_in *sin_a; 7403 7404 sin_a = &laddr->ifa->address.sin; 7405 sin->sin_addr = sin_a->sin_addr; 7406 fnd = 1; 7407 break; 7408 } 7409 } 7410 if (!fnd) { 7411 SCTP_FREE_SONAME(sin); 7412 SCTP_INP_RUNLOCK(inp); 7413 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7414 return (ENOENT); 7415 } 7416 } 7417 SCTP_INP_RUNLOCK(inp); 7418 (*addr) = (struct sockaddr *)sin; 7419 return (0); 7420 } 7421 7422 int 7423 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7424 { 7425 struct sockaddr_in *sin; 7426 int fnd; 7427 struct sockaddr_in *sin_a; 7428 struct sctp_inpcb *inp; 7429 struct sctp_tcb *stcb; 7430 struct sctp_nets *net; 7431 7432 /* Do the malloc first in case it blocks. */ 7433 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7434 if (sin == NULL) 7435 return (ENOMEM); 7436 sin->sin_family = AF_INET; 7437 sin->sin_len = sizeof(*sin); 7438 7439 inp = (struct sctp_inpcb *)so->so_pcb; 7440 if ((inp == NULL) || 7441 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7442 /* UDP type and listeners will drop out here */ 7443 SCTP_FREE_SONAME(sin); 7444 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7445 return (ENOTCONN); 7446 } 7447 SCTP_INP_RLOCK(inp); 7448 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7449 if (stcb) { 7450 SCTP_TCB_LOCK(stcb); 7451 } 7452 SCTP_INP_RUNLOCK(inp); 7453 if (stcb == NULL) { 7454 SCTP_FREE_SONAME(sin); 7455 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7456 return (ECONNRESET); 7457 } 7458 fnd = 0; 7459 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7460 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7461 if (sin_a->sin_family == AF_INET) { 7462 fnd = 1; 7463 sin->sin_port = stcb->rport; 7464 sin->sin_addr = sin_a->sin_addr; 7465 break; 7466 } 7467 } 7468 SCTP_TCB_UNLOCK(stcb); 7469 if (!fnd) { 7470 /* No IPv4 address */ 7471 SCTP_FREE_SONAME(sin); 7472 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7473 return (ENOENT); 7474 } 7475 (*addr) = (struct sockaddr *)sin; 7476 return (0); 7477 } 7478 7479 struct pr_usrreqs sctp_usrreqs = { 7480 .pru_abort = sctp_abort, 7481 .pru_accept = sctp_accept, 7482 .pru_attach = sctp_attach, 7483 .pru_bind = sctp_bind, 7484 .pru_connect = sctp_connect, 7485 .pru_control = in_control, 7486 .pru_close = sctp_close, 7487 .pru_detach = sctp_close, 7488 .pru_sopoll = sopoll_generic, 7489 .pru_flush = sctp_flush, 7490 .pru_disconnect = sctp_disconnect, 7491 .pru_listen = sctp_listen, 7492 .pru_peeraddr = sctp_peeraddr, 7493 .pru_send = sctp_sendm, 7494 .pru_shutdown = sctp_shutdown, 7495 .pru_sockaddr = sctp_ingetaddr, 7496 .pru_sosend = sctp_sosend, 7497 .pru_soreceive = sctp_soreceive 7498 }; 7499 7500 #endif 7501