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 /* Check the verification tag */ 296 if (ntohl(sh->v_tag) != 0) { 297 /* 298 * This must be the verification tag used 299 * for sending out packets. We don't 300 * consider packets reflecting the 301 * verification tag. 302 */ 303 if (ntohl(sh->v_tag) != stcb->asoc.peer_vtag) { 304 SCTP_TCB_UNLOCK(stcb); 305 return; 306 } 307 } else { 308 if (ntohs(outer_ip->ip_len) >= 309 sizeof(struct ip) + 310 8 + (inner_ip->ip_hl << 2) + 20) { 311 /* 312 * In this case we can check if we 313 * got an INIT chunk and if the 314 * initiate tag matches. 315 */ 316 ch = (struct sctp_init_chunk *)(sh + 1); 317 if ((ch->ch.chunk_type != SCTP_INITIATION) || 318 (ntohl(ch->init.initiate_tag) != stcb->asoc.my_vtag)) { 319 SCTP_TCB_UNLOCK(stcb); 320 return; 321 } 322 } else { 323 SCTP_TCB_UNLOCK(stcb); 324 return; 325 } 326 } 327 sctp_notify(inp, stcb, net, 328 icmp->icmp_type, 329 icmp->icmp_code, 330 ntohs(inner_ip->ip_len), 331 ntohs(icmp->icmp_nextmtu)); 332 } else { 333 if ((stcb == NULL) && (inp != NULL)) { 334 /* reduce ref-count */ 335 SCTP_INP_WLOCK(inp); 336 SCTP_INP_DECR_REF(inp); 337 SCTP_INP_WUNLOCK(inp); 338 } 339 if (stcb) { 340 SCTP_TCB_UNLOCK(stcb); 341 } 342 } 343 } 344 return; 345 } 346 347 #endif 348 349 static int 350 sctp_getcred(SYSCTL_HANDLER_ARGS) 351 { 352 struct xucred xuc; 353 struct sockaddr_in addrs[2]; 354 struct sctp_inpcb *inp; 355 struct sctp_nets *net; 356 struct sctp_tcb *stcb; 357 int error; 358 uint32_t vrf_id; 359 360 /* FIX, for non-bsd is this right? */ 361 vrf_id = SCTP_DEFAULT_VRFID; 362 363 error = priv_check(req->td, PRIV_NETINET_GETCRED); 364 365 if (error) 366 return (error); 367 368 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 369 if (error) 370 return (error); 371 372 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), 373 sintosa(&addrs[0]), 374 &inp, &net, 1, vrf_id); 375 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 376 if ((inp != NULL) && (stcb == NULL)) { 377 /* reduce ref-count */ 378 SCTP_INP_WLOCK(inp); 379 SCTP_INP_DECR_REF(inp); 380 goto cred_can_cont; 381 } 382 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 383 error = ENOENT; 384 goto out; 385 } 386 SCTP_TCB_UNLOCK(stcb); 387 /* 388 * We use the write lock here, only since in the error leg we need 389 * it. If we used RLOCK, then we would have to 390 * wlock/decr/unlock/rlock. Which in theory could create a hole. 391 * Better to use higher wlock. 392 */ 393 SCTP_INP_WLOCK(inp); 394 cred_can_cont: 395 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 396 if (error) { 397 SCTP_INP_WUNLOCK(inp); 398 goto out; 399 } 400 cru2x(inp->sctp_socket->so_cred, &xuc); 401 SCTP_INP_WUNLOCK(inp); 402 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 403 out: 404 return (error); 405 } 406 407 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW, 408 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection"); 409 410 411 #ifdef INET 412 static void 413 sctp_abort(struct socket *so) 414 { 415 struct sctp_inpcb *inp; 416 uint32_t flags; 417 418 inp = (struct sctp_inpcb *)so->so_pcb; 419 if (inp == NULL) { 420 return; 421 } 422 sctp_must_try_again: 423 flags = inp->sctp_flags; 424 #ifdef SCTP_LOG_CLOSING 425 sctp_log_closing(inp, NULL, 17); 426 #endif 427 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 428 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 429 #ifdef SCTP_LOG_CLOSING 430 sctp_log_closing(inp, NULL, 16); 431 #endif 432 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 433 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 434 SOCK_LOCK(so); 435 SCTP_SB_CLEAR(so->so_snd); 436 /* 437 * same for the rcv ones, they are only here for the 438 * accounting/select. 439 */ 440 SCTP_SB_CLEAR(so->so_rcv); 441 442 /* Now null out the reference, we are completely detached. */ 443 so->so_pcb = NULL; 444 SOCK_UNLOCK(so); 445 } else { 446 flags = inp->sctp_flags; 447 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 448 goto sctp_must_try_again; 449 } 450 } 451 return; 452 } 453 454 static int 455 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 456 { 457 struct sctp_inpcb *inp; 458 struct inpcb *ip_inp; 459 int error; 460 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 461 462 inp = (struct sctp_inpcb *)so->so_pcb; 463 if (inp != NULL) { 464 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 465 return (EINVAL); 466 } 467 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 468 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 469 if (error) { 470 return (error); 471 } 472 } 473 error = sctp_inpcb_alloc(so, vrf_id); 474 if (error) { 475 return (error); 476 } 477 inp = (struct sctp_inpcb *)so->so_pcb; 478 SCTP_INP_WLOCK(inp); 479 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 480 ip_inp = &inp->ip_inp.inp; 481 ip_inp->inp_vflag |= INP_IPV4; 482 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 483 SCTP_INP_WUNLOCK(inp); 484 return (0); 485 } 486 487 static int 488 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 489 { 490 struct sctp_inpcb *inp; 491 492 inp = (struct sctp_inpcb *)so->so_pcb; 493 if (inp == NULL) { 494 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 495 return (EINVAL); 496 } 497 if (addr != NULL) { 498 if ((addr->sa_family != AF_INET) || 499 (addr->sa_len != sizeof(struct sockaddr_in))) { 500 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 501 return (EINVAL); 502 } 503 } 504 return (sctp_inpcb_bind(so, addr, NULL, p)); 505 } 506 507 #endif 508 void 509 sctp_close(struct socket *so) 510 { 511 struct sctp_inpcb *inp; 512 uint32_t flags; 513 514 inp = (struct sctp_inpcb *)so->so_pcb; 515 if (inp == NULL) 516 return; 517 518 /* 519 * Inform all the lower layer assoc that we are done. 520 */ 521 sctp_must_try_again: 522 flags = inp->sctp_flags; 523 #ifdef SCTP_LOG_CLOSING 524 sctp_log_closing(inp, NULL, 17); 525 #endif 526 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 527 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 528 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 529 (so->so_rcv.sb_cc > 0)) { 530 #ifdef SCTP_LOG_CLOSING 531 sctp_log_closing(inp, NULL, 13); 532 #endif 533 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 534 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 535 } else { 536 #ifdef SCTP_LOG_CLOSING 537 sctp_log_closing(inp, NULL, 14); 538 #endif 539 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 540 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 541 } 542 /* 543 * The socket is now detached, no matter what the state of 544 * the SCTP association. 545 */ 546 SOCK_LOCK(so); 547 SCTP_SB_CLEAR(so->so_snd); 548 /* 549 * same for the rcv ones, they are only here for the 550 * accounting/select. 551 */ 552 SCTP_SB_CLEAR(so->so_rcv); 553 554 /* Now null out the reference, we are completely detached. */ 555 so->so_pcb = NULL; 556 SOCK_UNLOCK(so); 557 } else { 558 flags = inp->sctp_flags; 559 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 560 goto sctp_must_try_again; 561 } 562 } 563 return; 564 } 565 566 567 int 568 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 569 struct mbuf *control, struct thread *p); 570 571 572 int 573 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 574 struct mbuf *control, struct thread *p) 575 { 576 struct sctp_inpcb *inp; 577 int error; 578 579 inp = (struct sctp_inpcb *)so->so_pcb; 580 if (inp == NULL) { 581 if (control) { 582 sctp_m_freem(control); 583 control = NULL; 584 } 585 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 586 sctp_m_freem(m); 587 return (EINVAL); 588 } 589 /* Got to have an to address if we are NOT a connected socket */ 590 if ((addr == NULL) && 591 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 592 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 593 goto connected_type; 594 } else if (addr == NULL) { 595 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 596 error = EDESTADDRREQ; 597 sctp_m_freem(m); 598 if (control) { 599 sctp_m_freem(control); 600 control = NULL; 601 } 602 return (error); 603 } 604 #ifdef INET6 605 if (addr->sa_family != AF_INET) { 606 /* must be a v4 address! */ 607 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 608 sctp_m_freem(m); 609 if (control) { 610 sctp_m_freem(control); 611 control = NULL; 612 } 613 error = EDESTADDRREQ; 614 return (error); 615 } 616 #endif /* INET6 */ 617 connected_type: 618 /* now what about control */ 619 if (control) { 620 if (inp->control) { 621 SCTP_PRINTF("huh? control set?\n"); 622 sctp_m_freem(inp->control); 623 inp->control = NULL; 624 } 625 inp->control = control; 626 } 627 /* Place the data */ 628 if (inp->pkt) { 629 SCTP_BUF_NEXT(inp->pkt_last) = m; 630 inp->pkt_last = m; 631 } else { 632 inp->pkt_last = inp->pkt = m; 633 } 634 if ( 635 /* FreeBSD uses a flag passed */ 636 ((flags & PRUS_MORETOCOME) == 0) 637 ) { 638 /* 639 * note with the current version this code will only be used 640 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 641 * re-defining sosend to use the sctp_sosend. One can 642 * optionally switch back to this code (by changing back the 643 * definitions) but this is not advisable. This code is used 644 * by FreeBSD when sending a file with sendfile() though. 645 */ 646 int ret; 647 648 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 649 inp->pkt = NULL; 650 inp->control = NULL; 651 return (ret); 652 } else { 653 return (0); 654 } 655 } 656 657 int 658 sctp_disconnect(struct socket *so) 659 { 660 struct sctp_inpcb *inp; 661 662 inp = (struct sctp_inpcb *)so->so_pcb; 663 if (inp == NULL) { 664 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 665 return (ENOTCONN); 666 } 667 SCTP_INP_RLOCK(inp); 668 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 669 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 670 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 671 /* No connection */ 672 SCTP_INP_RUNLOCK(inp); 673 return (0); 674 } else { 675 struct sctp_association *asoc; 676 struct sctp_tcb *stcb; 677 678 stcb = LIST_FIRST(&inp->sctp_asoc_list); 679 if (stcb == NULL) { 680 SCTP_INP_RUNLOCK(inp); 681 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 682 return (EINVAL); 683 } 684 SCTP_TCB_LOCK(stcb); 685 asoc = &stcb->asoc; 686 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 687 /* We are about to be freed, out of here */ 688 SCTP_TCB_UNLOCK(stcb); 689 SCTP_INP_RUNLOCK(inp); 690 return (0); 691 } 692 if (((so->so_options & SO_LINGER) && 693 (so->so_linger == 0)) || 694 (so->so_rcv.sb_cc > 0)) { 695 if (SCTP_GET_STATE(asoc) != 696 SCTP_STATE_COOKIE_WAIT) { 697 /* Left with Data unread */ 698 struct mbuf *err; 699 700 err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_NOWAIT, 1, MT_DATA); 701 if (err) { 702 /* 703 * Fill in the user 704 * initiated abort 705 */ 706 struct sctp_paramhdr *ph; 707 708 ph = mtod(err, struct sctp_paramhdr *); 709 SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr); 710 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT); 711 ph->param_length = htons(SCTP_BUF_LEN(err)); 712 } 713 sctp_send_abort_tcb(stcb, err, SCTP_SO_LOCKED); 714 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 715 } 716 SCTP_INP_RUNLOCK(inp); 717 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 718 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 719 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 720 } 721 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 722 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 723 /* No unlock tcb assoc is gone */ 724 return (0); 725 } 726 if (TAILQ_EMPTY(&asoc->send_queue) && 727 TAILQ_EMPTY(&asoc->sent_queue) && 728 (asoc->stream_queue_cnt == 0)) { 729 /* there is nothing queued to send, so done */ 730 if (asoc->locked_on_sending) { 731 goto abort_anyway; 732 } 733 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) && 734 (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 735 /* only send SHUTDOWN 1st time thru */ 736 struct sctp_nets *netp; 737 738 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 739 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 740 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 741 } 742 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 743 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 744 sctp_stop_timers_for_shutdown(stcb); 745 if (stcb->asoc.alternate) { 746 netp = stcb->asoc.alternate; 747 } else { 748 netp = stcb->asoc.primary_destination; 749 } 750 sctp_send_shutdown(stcb, netp); 751 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 752 stcb->sctp_ep, stcb, netp); 753 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 754 stcb->sctp_ep, stcb, netp); 755 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 756 } 757 } else { 758 /* 759 * we still got (or just got) data to send, 760 * so set SHUTDOWN_PENDING 761 */ 762 /* 763 * XXX sockets draft says that SCTP_EOF 764 * should be sent with no data. currently, 765 * we will allow user data to be sent first 766 * and move to SHUTDOWN-PENDING 767 */ 768 struct sctp_nets *netp; 769 770 if (stcb->asoc.alternate) { 771 netp = stcb->asoc.alternate; 772 } else { 773 netp = stcb->asoc.primary_destination; 774 } 775 776 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 777 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 778 netp); 779 if (asoc->locked_on_sending) { 780 /* Locked to send out the data */ 781 struct sctp_stream_queue_pending *sp; 782 783 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 784 if (sp == NULL) { 785 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 786 asoc->locked_on_sending->stream_no); 787 } else { 788 if ((sp->length == 0) && (sp->msg_is_complete == 0)) 789 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 790 } 791 } 792 if (TAILQ_EMPTY(&asoc->send_queue) && 793 TAILQ_EMPTY(&asoc->sent_queue) && 794 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 795 struct mbuf *op_err; 796 797 abort_anyway: 798 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 799 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 800 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 801 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 802 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 803 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 804 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 805 } 806 SCTP_INP_RUNLOCK(inp); 807 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 808 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 809 return (0); 810 } else { 811 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 812 } 813 } 814 soisdisconnecting(so); 815 SCTP_TCB_UNLOCK(stcb); 816 SCTP_INP_RUNLOCK(inp); 817 return (0); 818 } 819 /* not reached */ 820 } else { 821 /* UDP model does not support this */ 822 SCTP_INP_RUNLOCK(inp); 823 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 824 return (EOPNOTSUPP); 825 } 826 } 827 828 int 829 sctp_flush(struct socket *so, int how) 830 { 831 /* 832 * We will just clear out the values and let subsequent close clear 833 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 834 * they will not be able to read the data, the socket will block 835 * that from happening. 836 */ 837 struct sctp_inpcb *inp; 838 839 inp = (struct sctp_inpcb *)so->so_pcb; 840 if (inp == NULL) { 841 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 842 return (EINVAL); 843 } 844 SCTP_INP_RLOCK(inp); 845 /* For the 1 to many model this does nothing */ 846 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 847 SCTP_INP_RUNLOCK(inp); 848 return (0); 849 } 850 SCTP_INP_RUNLOCK(inp); 851 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 852 /* 853 * First make sure the sb will be happy, we don't use these 854 * except maybe the count 855 */ 856 SCTP_INP_WLOCK(inp); 857 SCTP_INP_READ_LOCK(inp); 858 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 859 SCTP_INP_READ_UNLOCK(inp); 860 SCTP_INP_WUNLOCK(inp); 861 so->so_rcv.sb_cc = 0; 862 so->so_rcv.sb_mbcnt = 0; 863 so->so_rcv.sb_mb = NULL; 864 } 865 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 866 /* 867 * First make sure the sb will be happy, we don't use these 868 * except maybe the count 869 */ 870 so->so_snd.sb_cc = 0; 871 so->so_snd.sb_mbcnt = 0; 872 so->so_snd.sb_mb = NULL; 873 874 } 875 return (0); 876 } 877 878 int 879 sctp_shutdown(struct socket *so) 880 { 881 struct sctp_inpcb *inp; 882 883 inp = (struct sctp_inpcb *)so->so_pcb; 884 if (inp == NULL) { 885 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 886 return (EINVAL); 887 } 888 SCTP_INP_RLOCK(inp); 889 /* For UDP model this is a invalid call */ 890 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 891 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 892 /* Restore the flags that the soshutdown took away. */ 893 SOCKBUF_LOCK(&so->so_rcv); 894 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 895 SOCKBUF_UNLOCK(&so->so_rcv); 896 /* This proc will wakeup for read and do nothing (I hope) */ 897 SCTP_INP_RUNLOCK(inp); 898 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 899 return (EOPNOTSUPP); 900 } else { 901 /* 902 * Ok, if we reach here its the TCP model and it is either a 903 * SHUT_WR or SHUT_RDWR. This means we put the shutdown flag 904 * against it. 905 */ 906 struct sctp_tcb *stcb; 907 struct sctp_association *asoc; 908 struct sctp_nets *netp; 909 910 if ((so->so_state & 911 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 912 SCTP_INP_RUNLOCK(inp); 913 return (ENOTCONN); 914 } 915 socantsendmore(so); 916 917 stcb = LIST_FIRST(&inp->sctp_asoc_list); 918 if (stcb == NULL) { 919 /* 920 * Ok, we hit the case that the shutdown call was 921 * made after an abort or something. Nothing to do 922 * now. 923 */ 924 SCTP_INP_RUNLOCK(inp); 925 return (0); 926 } 927 SCTP_TCB_LOCK(stcb); 928 asoc = &stcb->asoc; 929 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) { 930 SCTP_TCB_UNLOCK(stcb); 931 SCTP_INP_RUNLOCK(inp); 932 return (0); 933 } 934 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_COOKIE_WAIT) && 935 (SCTP_GET_STATE(asoc) != SCTP_STATE_COOKIE_ECHOED) && 936 (SCTP_GET_STATE(asoc) != SCTP_STATE_OPEN)) { 937 /* 938 * If we are not in or before ESTABLISHED, there is 939 * no protocol action required. 940 */ 941 SCTP_TCB_UNLOCK(stcb); 942 SCTP_INP_RUNLOCK(inp); 943 return (0); 944 } 945 if (stcb->asoc.alternate) { 946 netp = stcb->asoc.alternate; 947 } else { 948 netp = stcb->asoc.primary_destination; 949 } 950 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) && 951 TAILQ_EMPTY(&asoc->send_queue) && 952 TAILQ_EMPTY(&asoc->sent_queue) && 953 (asoc->stream_queue_cnt == 0)) { 954 if (asoc->locked_on_sending) { 955 goto abort_anyway; 956 } 957 /* there is nothing queued to send, so I'm done... */ 958 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 959 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 960 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 961 sctp_stop_timers_for_shutdown(stcb); 962 sctp_send_shutdown(stcb, netp); 963 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 964 stcb->sctp_ep, stcb, netp); 965 } else { 966 /* 967 * We still got (or just got) data to send, so set 968 * SHUTDOWN_PENDING. 969 */ 970 SCTP_ADD_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 971 if (asoc->locked_on_sending) { 972 /* Locked to send out the data */ 973 struct sctp_stream_queue_pending *sp; 974 975 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 976 if (sp == NULL) { 977 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 978 asoc->locked_on_sending->stream_no); 979 } else { 980 if ((sp->length == 0) && (sp->msg_is_complete == 0)) { 981 SCTP_ADD_SUBSTATE(asoc, SCTP_STATE_PARTIAL_MSG_LEFT); 982 } 983 } 984 } 985 if (TAILQ_EMPTY(&asoc->send_queue) && 986 TAILQ_EMPTY(&asoc->sent_queue) && 987 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 988 struct mbuf *op_err; 989 990 abort_anyway: 991 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 992 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 993 sctp_abort_an_association(stcb->sctp_ep, stcb, 994 op_err, SCTP_SO_LOCKED); 995 SCTP_INP_RUNLOCK(inp); 996 return (0); 997 } 998 } 999 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, netp); 1000 /* 1001 * XXX: Why do this in the case where we have still data 1002 * queued? 1003 */ 1004 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 1005 SCTP_TCB_UNLOCK(stcb); 1006 SCTP_INP_RUNLOCK(inp); 1007 return (0); 1008 } 1009 } 1010 1011 /* 1012 * copies a "user" presentable address and removes embedded scope, etc. 1013 * returns 0 on success, 1 on error 1014 */ 1015 static uint32_t 1016 sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 1017 { 1018 #ifdef INET6 1019 struct sockaddr_in6 lsa6; 1020 1021 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 1022 &lsa6); 1023 #endif 1024 memcpy(ss, sa, sa->sa_len); 1025 return (0); 1026 } 1027 1028 1029 1030 /* 1031 * NOTE: assumes addr lock is held 1032 */ 1033 static size_t 1034 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1035 struct sctp_tcb *stcb, 1036 size_t limit, 1037 struct sockaddr_storage *sas, 1038 uint32_t vrf_id) 1039 { 1040 struct sctp_ifn *sctp_ifn; 1041 struct sctp_ifa *sctp_ifa; 1042 size_t actual; 1043 int loopback_scope; 1044 1045 #if defined(INET) 1046 int ipv4_local_scope, ipv4_addr_legal; 1047 1048 #endif 1049 #if defined(INET6) 1050 int local_scope, site_scope, ipv6_addr_legal; 1051 1052 #endif 1053 struct sctp_vrf *vrf; 1054 1055 actual = 0; 1056 if (limit <= 0) 1057 return (actual); 1058 1059 if (stcb) { 1060 /* Turn on all the appropriate scope */ 1061 loopback_scope = stcb->asoc.scope.loopback_scope; 1062 #if defined(INET) 1063 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1064 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1065 #endif 1066 #if defined(INET6) 1067 local_scope = stcb->asoc.scope.local_scope; 1068 site_scope = stcb->asoc.scope.site_scope; 1069 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1070 #endif 1071 } else { 1072 /* Use generic values for endpoints. */ 1073 loopback_scope = 1; 1074 #if defined(INET) 1075 ipv4_local_scope = 1; 1076 #endif 1077 #if defined(INET6) 1078 local_scope = 1; 1079 site_scope = 1; 1080 #endif 1081 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1082 #if defined(INET6) 1083 ipv6_addr_legal = 1; 1084 #endif 1085 #if defined(INET) 1086 if (SCTP_IPV6_V6ONLY(inp)) { 1087 ipv4_addr_legal = 0; 1088 } else { 1089 ipv4_addr_legal = 1; 1090 } 1091 #endif 1092 } else { 1093 #if defined(INET6) 1094 ipv6_addr_legal = 0; 1095 #endif 1096 #if defined(INET) 1097 ipv4_addr_legal = 1; 1098 #endif 1099 } 1100 } 1101 vrf = sctp_find_vrf(vrf_id); 1102 if (vrf == NULL) { 1103 return (0); 1104 } 1105 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1106 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1107 if ((loopback_scope == 0) && 1108 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1109 /* Skip loopback if loopback_scope not set */ 1110 continue; 1111 } 1112 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1113 if (stcb) { 1114 /* 1115 * For the BOUND-ALL case, the list 1116 * associated with a TCB is Always 1117 * considered a reverse list.. i.e. 1118 * it lists addresses that are NOT 1119 * part of the association. If this 1120 * is one of those we must skip it. 1121 */ 1122 if (sctp_is_addr_restricted(stcb, 1123 sctp_ifa)) { 1124 continue; 1125 } 1126 } 1127 switch (sctp_ifa->address.sa.sa_family) { 1128 #ifdef INET 1129 case AF_INET: 1130 if (ipv4_addr_legal) { 1131 struct sockaddr_in *sin; 1132 1133 sin = &sctp_ifa->address.sin; 1134 if (sin->sin_addr.s_addr == 0) { 1135 /* 1136 * we skip 1137 * unspecifed 1138 * addresses 1139 */ 1140 continue; 1141 } 1142 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1143 &sin->sin_addr) != 0) { 1144 continue; 1145 } 1146 if ((ipv4_local_scope == 0) && 1147 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1148 continue; 1149 } 1150 #ifdef INET6 1151 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1152 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1153 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1154 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1155 actual += sizeof(struct sockaddr_in6); 1156 } else { 1157 #endif 1158 memcpy(sas, sin, sizeof(*sin)); 1159 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1160 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin)); 1161 actual += sizeof(*sin); 1162 #ifdef INET6 1163 } 1164 #endif 1165 if (actual >= limit) { 1166 return (actual); 1167 } 1168 } else { 1169 continue; 1170 } 1171 break; 1172 #endif 1173 #ifdef INET6 1174 case AF_INET6: 1175 if (ipv6_addr_legal) { 1176 struct sockaddr_in6 *sin6; 1177 1178 sin6 = &sctp_ifa->address.sin6; 1179 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1180 /* 1181 * we skip 1182 * unspecifed 1183 * addresses 1184 */ 1185 continue; 1186 } 1187 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1188 &sin6->sin6_addr) != 0) { 1189 continue; 1190 } 1191 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1192 if (local_scope == 0) 1193 continue; 1194 if (sin6->sin6_scope_id == 0) { 1195 if (sa6_recoverscope(sin6) != 0) 1196 /* 1197 * 1198 * bad 1199 * 1200 * li 1201 * nk 1202 * 1203 * loc 1204 * al 1205 * 1206 * add 1207 * re 1208 * ss 1209 * */ 1210 continue; 1211 } 1212 } 1213 if ((site_scope == 0) && 1214 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1215 continue; 1216 } 1217 memcpy(sas, sin6, sizeof(*sin6)); 1218 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1219 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6)); 1220 actual += sizeof(*sin6); 1221 if (actual >= limit) { 1222 return (actual); 1223 } 1224 } else { 1225 continue; 1226 } 1227 break; 1228 #endif 1229 default: 1230 /* TSNH */ 1231 break; 1232 } 1233 } 1234 } 1235 } else { 1236 struct sctp_laddr *laddr; 1237 1238 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1239 if (stcb) { 1240 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1241 continue; 1242 } 1243 } 1244 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1245 continue; 1246 switch (laddr->ifa->address.sa.sa_family) { 1247 #ifdef INET 1248 case AF_INET: 1249 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1250 break; 1251 #endif 1252 #ifdef INET6 1253 case AF_INET6: 1254 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1255 break; 1256 #endif 1257 default: 1258 /* TSNH */ 1259 break; 1260 } 1261 sas = (struct sockaddr_storage *)((caddr_t)sas + 1262 laddr->ifa->address.sa.sa_len); 1263 actual += laddr->ifa->address.sa.sa_len; 1264 if (actual >= limit) { 1265 return (actual); 1266 } 1267 } 1268 } 1269 return (actual); 1270 } 1271 1272 static size_t 1273 sctp_fill_up_addresses(struct sctp_inpcb *inp, 1274 struct sctp_tcb *stcb, 1275 size_t limit, 1276 struct sockaddr_storage *sas) 1277 { 1278 size_t size = 0; 1279 1280 SCTP_IPI_ADDR_RLOCK(); 1281 /* fill up addresses for the endpoint's default vrf */ 1282 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1283 inp->def_vrf_id); 1284 SCTP_IPI_ADDR_RUNLOCK(); 1285 return (size); 1286 } 1287 1288 /* 1289 * NOTE: assumes addr lock is held 1290 */ 1291 static int 1292 sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1293 { 1294 int cnt = 0; 1295 struct sctp_vrf *vrf = NULL; 1296 1297 /* 1298 * In both sub-set bound an bound_all cases we return the MAXIMUM 1299 * number of addresses that you COULD get. In reality the sub-set 1300 * bound may have an exclusion list for a given TCB OR in the 1301 * bound-all case a TCB may NOT include the loopback or other 1302 * addresses as well. 1303 */ 1304 vrf = sctp_find_vrf(vrf_id); 1305 if (vrf == NULL) { 1306 return (0); 1307 } 1308 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1309 struct sctp_ifn *sctp_ifn; 1310 struct sctp_ifa *sctp_ifa; 1311 1312 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1313 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1314 /* Count them if they are the right type */ 1315 switch (sctp_ifa->address.sa.sa_family) { 1316 #ifdef INET 1317 case AF_INET: 1318 #ifdef INET6 1319 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1320 cnt += sizeof(struct sockaddr_in6); 1321 else 1322 cnt += sizeof(struct sockaddr_in); 1323 #else 1324 cnt += sizeof(struct sockaddr_in); 1325 #endif 1326 break; 1327 #endif 1328 #ifdef INET6 1329 case AF_INET6: 1330 cnt += sizeof(struct sockaddr_in6); 1331 break; 1332 #endif 1333 default: 1334 break; 1335 } 1336 } 1337 } 1338 } else { 1339 struct sctp_laddr *laddr; 1340 1341 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1342 switch (laddr->ifa->address.sa.sa_family) { 1343 #ifdef INET 1344 case AF_INET: 1345 #ifdef INET6 1346 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1347 cnt += sizeof(struct sockaddr_in6); 1348 else 1349 cnt += sizeof(struct sockaddr_in); 1350 #else 1351 cnt += sizeof(struct sockaddr_in); 1352 #endif 1353 break; 1354 #endif 1355 #ifdef INET6 1356 case AF_INET6: 1357 cnt += sizeof(struct sockaddr_in6); 1358 break; 1359 #endif 1360 default: 1361 break; 1362 } 1363 } 1364 } 1365 return (cnt); 1366 } 1367 1368 static int 1369 sctp_count_max_addresses(struct sctp_inpcb *inp) 1370 { 1371 int cnt = 0; 1372 1373 SCTP_IPI_ADDR_RLOCK(); 1374 /* count addresses for the endpoint's default VRF */ 1375 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1376 SCTP_IPI_ADDR_RUNLOCK(); 1377 return (cnt); 1378 } 1379 1380 static int 1381 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1382 size_t optsize, void *p, int delay) 1383 { 1384 int error = 0; 1385 int creat_lock_on = 0; 1386 struct sctp_tcb *stcb = NULL; 1387 struct sockaddr *sa; 1388 unsigned int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1389 uint32_t vrf_id; 1390 int bad_addresses = 0; 1391 sctp_assoc_t *a_id; 1392 1393 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1394 1395 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1396 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1397 /* We are already connected AND the TCP model */ 1398 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1399 return (EADDRINUSE); 1400 } 1401 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1402 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1403 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1404 return (EINVAL); 1405 } 1406 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1407 SCTP_INP_RLOCK(inp); 1408 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1409 SCTP_INP_RUNLOCK(inp); 1410 } 1411 if (stcb) { 1412 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1413 return (EALREADY); 1414 } 1415 SCTP_INP_INCR_REF(inp); 1416 SCTP_ASOC_CREATE_LOCK(inp); 1417 creat_lock_on = 1; 1418 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1419 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1420 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1421 error = EFAULT; 1422 goto out_now; 1423 } 1424 totaddrp = (unsigned int *)optval; 1425 totaddr = *totaddrp; 1426 sa = (struct sockaddr *)(totaddrp + 1); 1427 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (unsigned int)(optsize - sizeof(int)), &bad_addresses); 1428 if ((stcb != NULL) || bad_addresses) { 1429 /* Already have or am bring up an association */ 1430 SCTP_ASOC_CREATE_UNLOCK(inp); 1431 creat_lock_on = 0; 1432 if (stcb) 1433 SCTP_TCB_UNLOCK(stcb); 1434 if (bad_addresses == 0) { 1435 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1436 error = EALREADY; 1437 } 1438 goto out_now; 1439 } 1440 #ifdef INET6 1441 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1442 (num_v6 > 0)) { 1443 error = EINVAL; 1444 goto out_now; 1445 } 1446 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1447 (num_v4 > 0)) { 1448 struct in6pcb *inp6; 1449 1450 inp6 = (struct in6pcb *)inp; 1451 if (SCTP_IPV6_V6ONLY(inp6)) { 1452 /* 1453 * if IPV6_V6ONLY flag, ignore connections destined 1454 * to a v4 addr or v4-mapped addr 1455 */ 1456 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1457 error = EINVAL; 1458 goto out_now; 1459 } 1460 } 1461 #endif /* INET6 */ 1462 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1463 SCTP_PCB_FLAGS_UNBOUND) { 1464 /* Bind a ephemeral port */ 1465 error = sctp_inpcb_bind(so, NULL, NULL, p); 1466 if (error) { 1467 goto out_now; 1468 } 1469 } 1470 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1471 vrf_id = inp->def_vrf_id; 1472 1473 1474 /* We are GOOD to go */ 1475 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1476 inp->sctp_ep.pre_open_stream_count, 1477 inp->sctp_ep.port, 1478 (struct thread *)p 1479 ); 1480 if (stcb == NULL) { 1481 /* Gak! no memory */ 1482 goto out_now; 1483 } 1484 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1485 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1486 /* Set the connected flag so we can queue data */ 1487 soisconnecting(so); 1488 } 1489 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 1490 /* move to second address */ 1491 switch (sa->sa_family) { 1492 #ifdef INET 1493 case AF_INET: 1494 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1495 break; 1496 #endif 1497 #ifdef INET6 1498 case AF_INET6: 1499 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1500 break; 1501 #endif 1502 default: 1503 break; 1504 } 1505 1506 error = 0; 1507 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1508 /* Fill in the return id */ 1509 if (error) { 1510 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, 1511 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 1512 goto out_now; 1513 } 1514 a_id = (sctp_assoc_t *) optval; 1515 *a_id = sctp_get_associd(stcb); 1516 1517 /* initialize authentication parameters for the assoc */ 1518 sctp_initialize_auth_params(inp, stcb); 1519 1520 if (delay) { 1521 /* doing delayed connection */ 1522 stcb->asoc.delayed_connection = 1; 1523 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1524 } else { 1525 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1526 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1527 } 1528 SCTP_TCB_UNLOCK(stcb); 1529 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1530 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1531 /* Set the connected flag so we can queue data */ 1532 soisconnecting(so); 1533 } 1534 out_now: 1535 if (creat_lock_on) { 1536 SCTP_ASOC_CREATE_UNLOCK(inp); 1537 } 1538 SCTP_INP_DECR_REF(inp); 1539 return (error); 1540 } 1541 1542 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1543 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1544 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1545 SCTP_INP_RLOCK(inp); \ 1546 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1547 if (stcb) { \ 1548 SCTP_TCB_LOCK(stcb); \ 1549 } \ 1550 SCTP_INP_RUNLOCK(inp); \ 1551 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1552 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1553 if (stcb == NULL) { \ 1554 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1555 error = ENOENT; \ 1556 break; \ 1557 } \ 1558 } else { \ 1559 stcb = NULL; \ 1560 } \ 1561 } 1562 1563 1564 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1565 if (size < sizeof(type)) { \ 1566 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1567 error = EINVAL; \ 1568 break; \ 1569 } else { \ 1570 destp = (type *)srcp; \ 1571 } \ 1572 } 1573 1574 static int 1575 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1576 void *p) 1577 { 1578 struct sctp_inpcb *inp = NULL; 1579 int error, val = 0; 1580 struct sctp_tcb *stcb = NULL; 1581 1582 if (optval == NULL) { 1583 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1584 return (EINVAL); 1585 } 1586 inp = (struct sctp_inpcb *)so->so_pcb; 1587 if (inp == NULL) { 1588 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1589 return EINVAL; 1590 } 1591 error = 0; 1592 1593 switch (optname) { 1594 case SCTP_NODELAY: 1595 case SCTP_AUTOCLOSE: 1596 case SCTP_EXPLICIT_EOR: 1597 case SCTP_AUTO_ASCONF: 1598 case SCTP_DISABLE_FRAGMENTS: 1599 case SCTP_I_WANT_MAPPED_V4_ADDR: 1600 case SCTP_USE_EXT_RCVINFO: 1601 SCTP_INP_RLOCK(inp); 1602 switch (optname) { 1603 case SCTP_DISABLE_FRAGMENTS: 1604 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1605 break; 1606 case SCTP_I_WANT_MAPPED_V4_ADDR: 1607 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1608 break; 1609 case SCTP_AUTO_ASCONF: 1610 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1611 /* only valid for bound all sockets */ 1612 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1613 } else { 1614 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1615 error = EINVAL; 1616 goto flags_out; 1617 } 1618 break; 1619 case SCTP_EXPLICIT_EOR: 1620 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1621 break; 1622 case SCTP_NODELAY: 1623 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1624 break; 1625 case SCTP_USE_EXT_RCVINFO: 1626 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1627 break; 1628 case SCTP_AUTOCLOSE: 1629 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1630 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1631 else 1632 val = 0; 1633 break; 1634 1635 default: 1636 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1637 error = ENOPROTOOPT; 1638 } /* end switch (sopt->sopt_name) */ 1639 if (*optsize < sizeof(val)) { 1640 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1641 error = EINVAL; 1642 } 1643 flags_out: 1644 SCTP_INP_RUNLOCK(inp); 1645 if (error == 0) { 1646 /* return the option value */ 1647 *(int *)optval = val; 1648 *optsize = sizeof(val); 1649 } 1650 break; 1651 case SCTP_GET_PACKET_LOG: 1652 { 1653 #ifdef SCTP_PACKET_LOGGING 1654 uint8_t *target; 1655 int ret; 1656 1657 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1658 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1659 *optsize = ret; 1660 #else 1661 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1662 error = EOPNOTSUPP; 1663 #endif 1664 break; 1665 } 1666 case SCTP_REUSE_PORT: 1667 { 1668 uint32_t *value; 1669 1670 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1671 /* Can't do this for a 1-m socket */ 1672 error = EINVAL; 1673 break; 1674 } 1675 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1676 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1677 *optsize = sizeof(uint32_t); 1678 break; 1679 } 1680 case SCTP_PARTIAL_DELIVERY_POINT: 1681 { 1682 uint32_t *value; 1683 1684 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1685 *value = inp->partial_delivery_point; 1686 *optsize = sizeof(uint32_t); 1687 break; 1688 } 1689 case SCTP_FRAGMENT_INTERLEAVE: 1690 { 1691 uint32_t *value; 1692 1693 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1694 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1695 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1696 *value = SCTP_FRAG_LEVEL_2; 1697 } else { 1698 *value = SCTP_FRAG_LEVEL_1; 1699 } 1700 } else { 1701 *value = SCTP_FRAG_LEVEL_0; 1702 } 1703 *optsize = sizeof(uint32_t); 1704 break; 1705 } 1706 case SCTP_INTERLEAVING_SUPPORTED: 1707 { 1708 struct sctp_assoc_value *av; 1709 1710 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1711 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1712 1713 if (stcb) { 1714 av->assoc_value = stcb->asoc.idata_supported; 1715 SCTP_TCB_UNLOCK(stcb); 1716 } else { 1717 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1718 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1719 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1720 SCTP_INP_RLOCK(inp); 1721 if (inp->idata_supported) { 1722 av->assoc_value = 1; 1723 } else { 1724 av->assoc_value = 0; 1725 } 1726 SCTP_INP_RUNLOCK(inp); 1727 } else { 1728 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1729 error = EINVAL; 1730 } 1731 } 1732 if (error == 0) { 1733 *optsize = sizeof(struct sctp_assoc_value); 1734 } 1735 break; 1736 } 1737 case SCTP_CMT_ON_OFF: 1738 { 1739 struct sctp_assoc_value *av; 1740 1741 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1742 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1743 if (stcb) { 1744 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1745 SCTP_TCB_UNLOCK(stcb); 1746 } else { 1747 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1748 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1749 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1750 SCTP_INP_RLOCK(inp); 1751 av->assoc_value = inp->sctp_cmt_on_off; 1752 SCTP_INP_RUNLOCK(inp); 1753 } else { 1754 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1755 error = EINVAL; 1756 } 1757 } 1758 if (error == 0) { 1759 *optsize = sizeof(struct sctp_assoc_value); 1760 } 1761 break; 1762 } 1763 case SCTP_PLUGGABLE_CC: 1764 { 1765 struct sctp_assoc_value *av; 1766 1767 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1768 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1769 if (stcb) { 1770 av->assoc_value = stcb->asoc.congestion_control_module; 1771 SCTP_TCB_UNLOCK(stcb); 1772 } else { 1773 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1774 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1775 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1776 SCTP_INP_RLOCK(inp); 1777 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1778 SCTP_INP_RUNLOCK(inp); 1779 } else { 1780 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1781 error = EINVAL; 1782 } 1783 } 1784 if (error == 0) { 1785 *optsize = sizeof(struct sctp_assoc_value); 1786 } 1787 break; 1788 } 1789 case SCTP_CC_OPTION: 1790 { 1791 struct sctp_cc_option *cc_opt; 1792 1793 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1794 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1795 if (stcb == NULL) { 1796 error = EINVAL; 1797 } else { 1798 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1799 error = ENOTSUP; 1800 } else { 1801 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1802 *optsize = sizeof(struct sctp_cc_option); 1803 } 1804 SCTP_TCB_UNLOCK(stcb); 1805 } 1806 break; 1807 } 1808 case SCTP_PLUGGABLE_SS: 1809 { 1810 struct sctp_assoc_value *av; 1811 1812 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1813 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1814 if (stcb) { 1815 av->assoc_value = stcb->asoc.stream_scheduling_module; 1816 SCTP_TCB_UNLOCK(stcb); 1817 } else { 1818 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1819 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1820 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1821 SCTP_INP_RLOCK(inp); 1822 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1823 SCTP_INP_RUNLOCK(inp); 1824 } else { 1825 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1826 error = EINVAL; 1827 } 1828 } 1829 if (error == 0) { 1830 *optsize = sizeof(struct sctp_assoc_value); 1831 } 1832 break; 1833 } 1834 case SCTP_SS_VALUE: 1835 { 1836 struct sctp_stream_value *av; 1837 1838 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1839 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1840 if (stcb) { 1841 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 1842 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1843 &av->stream_value) < 0)) { 1844 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1845 error = EINVAL; 1846 } else { 1847 *optsize = sizeof(struct sctp_stream_value); 1848 } 1849 SCTP_TCB_UNLOCK(stcb); 1850 } else { 1851 /* 1852 * Can't get stream value without 1853 * association 1854 */ 1855 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1856 error = EINVAL; 1857 } 1858 break; 1859 } 1860 case SCTP_GET_ADDR_LEN: 1861 { 1862 struct sctp_assoc_value *av; 1863 1864 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1865 error = EINVAL; 1866 #ifdef INET 1867 if (av->assoc_value == AF_INET) { 1868 av->assoc_value = sizeof(struct sockaddr_in); 1869 error = 0; 1870 } 1871 #endif 1872 #ifdef INET6 1873 if (av->assoc_value == AF_INET6) { 1874 av->assoc_value = sizeof(struct sockaddr_in6); 1875 error = 0; 1876 } 1877 #endif 1878 if (error) { 1879 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1880 } else { 1881 *optsize = sizeof(struct sctp_assoc_value); 1882 } 1883 break; 1884 } 1885 case SCTP_GET_ASSOC_NUMBER: 1886 { 1887 uint32_t *value, cnt; 1888 1889 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1890 SCTP_INP_RLOCK(inp); 1891 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1892 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1893 /* Can't do this for a 1-1 socket */ 1894 error = EINVAL; 1895 SCTP_INP_RUNLOCK(inp); 1896 break; 1897 } 1898 cnt = 0; 1899 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1900 cnt++; 1901 } 1902 SCTP_INP_RUNLOCK(inp); 1903 *value = cnt; 1904 *optsize = sizeof(uint32_t); 1905 break; 1906 } 1907 case SCTP_GET_ASSOC_ID_LIST: 1908 { 1909 struct sctp_assoc_ids *ids; 1910 uint32_t at; 1911 size_t limit; 1912 1913 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1914 SCTP_INP_RLOCK(inp); 1915 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1916 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1917 /* Can't do this for a 1-1 socket */ 1918 error = EINVAL; 1919 SCTP_INP_RUNLOCK(inp); 1920 break; 1921 } 1922 at = 0; 1923 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1924 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1925 if (at < limit) { 1926 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1927 if (at == 0) { 1928 error = EINVAL; 1929 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1930 break; 1931 } 1932 } else { 1933 error = EINVAL; 1934 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1935 break; 1936 } 1937 } 1938 SCTP_INP_RUNLOCK(inp); 1939 if (error == 0) { 1940 ids->gaids_number_of_ids = at; 1941 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1942 } 1943 break; 1944 } 1945 case SCTP_CONTEXT: 1946 { 1947 struct sctp_assoc_value *av; 1948 1949 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1950 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1951 1952 if (stcb) { 1953 av->assoc_value = stcb->asoc.context; 1954 SCTP_TCB_UNLOCK(stcb); 1955 } else { 1956 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1957 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1958 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1959 SCTP_INP_RLOCK(inp); 1960 av->assoc_value = inp->sctp_context; 1961 SCTP_INP_RUNLOCK(inp); 1962 } else { 1963 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1964 error = EINVAL; 1965 } 1966 } 1967 if (error == 0) { 1968 *optsize = sizeof(struct sctp_assoc_value); 1969 } 1970 break; 1971 } 1972 case SCTP_VRF_ID: 1973 { 1974 uint32_t *default_vrfid; 1975 1976 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1977 *default_vrfid = inp->def_vrf_id; 1978 *optsize = sizeof(uint32_t); 1979 break; 1980 } 1981 case SCTP_GET_ASOC_VRF: 1982 { 1983 struct sctp_assoc_value *id; 1984 1985 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1986 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1987 if (stcb == NULL) { 1988 error = EINVAL; 1989 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1990 } else { 1991 id->assoc_value = stcb->asoc.vrf_id; 1992 *optsize = sizeof(struct sctp_assoc_value); 1993 } 1994 break; 1995 } 1996 case SCTP_GET_VRF_IDS: 1997 { 1998 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1999 error = EOPNOTSUPP; 2000 break; 2001 } 2002 case SCTP_GET_NONCE_VALUES: 2003 { 2004 struct sctp_get_nonce_values *gnv; 2005 2006 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 2007 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 2008 2009 if (stcb) { 2010 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 2011 gnv->gn_local_tag = stcb->asoc.my_vtag; 2012 SCTP_TCB_UNLOCK(stcb); 2013 *optsize = sizeof(struct sctp_get_nonce_values); 2014 } else { 2015 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2016 error = ENOTCONN; 2017 } 2018 break; 2019 } 2020 case SCTP_DELAYED_SACK: 2021 { 2022 struct sctp_sack_info *sack; 2023 2024 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 2025 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 2026 if (stcb) { 2027 sack->sack_delay = stcb->asoc.delayed_ack; 2028 sack->sack_freq = stcb->asoc.sack_freq; 2029 SCTP_TCB_UNLOCK(stcb); 2030 } else { 2031 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2032 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2033 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) { 2034 SCTP_INP_RLOCK(inp); 2035 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2036 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2037 SCTP_INP_RUNLOCK(inp); 2038 } else { 2039 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2040 error = EINVAL; 2041 } 2042 } 2043 if (error == 0) { 2044 *optsize = sizeof(struct sctp_sack_info); 2045 } 2046 break; 2047 } 2048 case SCTP_GET_SNDBUF_USE: 2049 { 2050 struct sctp_sockstat *ss; 2051 2052 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2053 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2054 2055 if (stcb) { 2056 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2057 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2058 stcb->asoc.size_on_all_streams); 2059 SCTP_TCB_UNLOCK(stcb); 2060 *optsize = sizeof(struct sctp_sockstat); 2061 } else { 2062 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2063 error = ENOTCONN; 2064 } 2065 break; 2066 } 2067 case SCTP_MAX_BURST: 2068 { 2069 struct sctp_assoc_value *av; 2070 2071 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2072 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2073 2074 if (stcb) { 2075 av->assoc_value = stcb->asoc.max_burst; 2076 SCTP_TCB_UNLOCK(stcb); 2077 } else { 2078 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2079 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2080 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2081 SCTP_INP_RLOCK(inp); 2082 av->assoc_value = inp->sctp_ep.max_burst; 2083 SCTP_INP_RUNLOCK(inp); 2084 } else { 2085 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2086 error = EINVAL; 2087 } 2088 } 2089 if (error == 0) { 2090 *optsize = sizeof(struct sctp_assoc_value); 2091 } 2092 break; 2093 } 2094 case SCTP_MAXSEG: 2095 { 2096 struct sctp_assoc_value *av; 2097 int ovh; 2098 2099 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2100 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2101 2102 if (stcb) { 2103 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2104 SCTP_TCB_UNLOCK(stcb); 2105 } else { 2106 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2107 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2108 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2109 SCTP_INP_RLOCK(inp); 2110 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2111 ovh = SCTP_MED_OVERHEAD; 2112 } else { 2113 ovh = SCTP_MED_V4_OVERHEAD; 2114 } 2115 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2116 av->assoc_value = 0; 2117 else 2118 av->assoc_value = inp->sctp_frag_point - ovh; 2119 SCTP_INP_RUNLOCK(inp); 2120 } else { 2121 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2122 error = EINVAL; 2123 } 2124 } 2125 if (error == 0) { 2126 *optsize = sizeof(struct sctp_assoc_value); 2127 } 2128 break; 2129 } 2130 case SCTP_GET_STAT_LOG: 2131 error = sctp_fill_stat_log(optval, optsize); 2132 break; 2133 case SCTP_EVENTS: 2134 { 2135 struct sctp_event_subscribe *events; 2136 2137 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2138 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2139 SCTP_INP_RLOCK(inp); 2140 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2141 events->sctp_data_io_event = 1; 2142 2143 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2144 events->sctp_association_event = 1; 2145 2146 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2147 events->sctp_address_event = 1; 2148 2149 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2150 events->sctp_send_failure_event = 1; 2151 2152 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2153 events->sctp_peer_error_event = 1; 2154 2155 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2156 events->sctp_shutdown_event = 1; 2157 2158 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2159 events->sctp_partial_delivery_event = 1; 2160 2161 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2162 events->sctp_adaptation_layer_event = 1; 2163 2164 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2165 events->sctp_authentication_event = 1; 2166 2167 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2168 events->sctp_sender_dry_event = 1; 2169 2170 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2171 events->sctp_stream_reset_event = 1; 2172 SCTP_INP_RUNLOCK(inp); 2173 *optsize = sizeof(struct sctp_event_subscribe); 2174 break; 2175 } 2176 case SCTP_ADAPTATION_LAYER: 2177 { 2178 uint32_t *value; 2179 2180 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2181 2182 SCTP_INP_RLOCK(inp); 2183 *value = inp->sctp_ep.adaptation_layer_indicator; 2184 SCTP_INP_RUNLOCK(inp); 2185 *optsize = sizeof(uint32_t); 2186 break; 2187 } 2188 case SCTP_SET_INITIAL_DBG_SEQ: 2189 { 2190 uint32_t *value; 2191 2192 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2193 SCTP_INP_RLOCK(inp); 2194 *value = inp->sctp_ep.initial_sequence_debug; 2195 SCTP_INP_RUNLOCK(inp); 2196 *optsize = sizeof(uint32_t); 2197 break; 2198 } 2199 case SCTP_GET_LOCAL_ADDR_SIZE: 2200 { 2201 uint32_t *value; 2202 2203 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2204 SCTP_INP_RLOCK(inp); 2205 *value = sctp_count_max_addresses(inp); 2206 SCTP_INP_RUNLOCK(inp); 2207 *optsize = sizeof(uint32_t); 2208 break; 2209 } 2210 case SCTP_GET_REMOTE_ADDR_SIZE: 2211 { 2212 uint32_t *value; 2213 size_t size; 2214 struct sctp_nets *net; 2215 2216 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2217 /* FIXME MT: change to sctp_assoc_value? */ 2218 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 2219 2220 if (stcb) { 2221 size = 0; 2222 /* Count the sizes */ 2223 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2224 switch (net->ro._l_addr.sa.sa_family) { 2225 #ifdef INET 2226 case AF_INET: 2227 #ifdef INET6 2228 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2229 size += sizeof(struct sockaddr_in6); 2230 } else { 2231 size += sizeof(struct sockaddr_in); 2232 } 2233 #else 2234 size += sizeof(struct sockaddr_in); 2235 #endif 2236 break; 2237 #endif 2238 #ifdef INET6 2239 case AF_INET6: 2240 size += sizeof(struct sockaddr_in6); 2241 break; 2242 #endif 2243 default: 2244 break; 2245 } 2246 } 2247 SCTP_TCB_UNLOCK(stcb); 2248 *value = (uint32_t) size; 2249 *optsize = sizeof(uint32_t); 2250 } else { 2251 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2252 error = ENOTCONN; 2253 } 2254 break; 2255 } 2256 case SCTP_GET_PEER_ADDRESSES: 2257 /* 2258 * Get the address information, an array is passed in to 2259 * fill up we pack it. 2260 */ 2261 { 2262 size_t cpsz, left; 2263 struct sockaddr_storage *sas; 2264 struct sctp_nets *net; 2265 struct sctp_getaddresses *saddr; 2266 2267 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2268 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2269 2270 if (stcb) { 2271 left = (*optsize) - sizeof(struct sctp_getaddresses); 2272 *optsize = sizeof(struct sctp_getaddresses); 2273 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2274 2275 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2276 switch (net->ro._l_addr.sa.sa_family) { 2277 #ifdef INET 2278 case AF_INET: 2279 #ifdef INET6 2280 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2281 cpsz = sizeof(struct sockaddr_in6); 2282 } else { 2283 cpsz = sizeof(struct sockaddr_in); 2284 } 2285 #else 2286 cpsz = sizeof(struct sockaddr_in); 2287 #endif 2288 break; 2289 #endif 2290 #ifdef INET6 2291 case AF_INET6: 2292 cpsz = sizeof(struct sockaddr_in6); 2293 break; 2294 #endif 2295 default: 2296 cpsz = 0; 2297 break; 2298 } 2299 if (cpsz == 0) { 2300 break; 2301 } 2302 if (left < cpsz) { 2303 /* not enough room. */ 2304 break; 2305 } 2306 #if defined(INET) && defined(INET6) 2307 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2308 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2309 /* Must map the address */ 2310 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2311 (struct sockaddr_in6 *)sas); 2312 } else { 2313 memcpy(sas, &net->ro._l_addr, cpsz); 2314 } 2315 #else 2316 memcpy(sas, &net->ro._l_addr, cpsz); 2317 #endif 2318 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2319 2320 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2321 left -= cpsz; 2322 *optsize += cpsz; 2323 } 2324 SCTP_TCB_UNLOCK(stcb); 2325 } else { 2326 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2327 error = ENOENT; 2328 } 2329 break; 2330 } 2331 case SCTP_GET_LOCAL_ADDRESSES: 2332 { 2333 size_t limit, actual; 2334 struct sockaddr_storage *sas; 2335 struct sctp_getaddresses *saddr; 2336 2337 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2338 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2339 2340 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2341 limit = *optsize - sizeof(sctp_assoc_t); 2342 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2343 if (stcb) { 2344 SCTP_TCB_UNLOCK(stcb); 2345 } 2346 *optsize = sizeof(struct sockaddr_storage) + actual; 2347 break; 2348 } 2349 case SCTP_PEER_ADDR_PARAMS: 2350 { 2351 struct sctp_paddrparams *paddrp; 2352 struct sctp_nets *net; 2353 struct sockaddr *addr; 2354 2355 #if defined(INET) && defined(INET6) 2356 struct sockaddr_in sin_store; 2357 2358 #endif 2359 2360 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2361 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2362 2363 #if defined(INET) && defined(INET6) 2364 if (paddrp->spp_address.ss_family == AF_INET6) { 2365 struct sockaddr_in6 *sin6; 2366 2367 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2368 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2369 in6_sin6_2_sin(&sin_store, sin6); 2370 addr = (struct sockaddr *)&sin_store; 2371 } else { 2372 addr = (struct sockaddr *)&paddrp->spp_address; 2373 } 2374 } else { 2375 addr = (struct sockaddr *)&paddrp->spp_address; 2376 } 2377 #else 2378 addr = (struct sockaddr *)&paddrp->spp_address; 2379 #endif 2380 if (stcb != NULL) { 2381 net = sctp_findnet(stcb, addr); 2382 } else { 2383 /* 2384 * We increment here since 2385 * sctp_findassociation_ep_addr() wil do a 2386 * decrement if it finds the stcb as long as 2387 * the locked tcb (last argument) is NOT a 2388 * TCB.. aka NULL. 2389 */ 2390 net = NULL; 2391 SCTP_INP_INCR_REF(inp); 2392 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2393 if (stcb == NULL) { 2394 SCTP_INP_DECR_REF(inp); 2395 } 2396 } 2397 if ((stcb != NULL) && (net == NULL)) { 2398 #ifdef INET 2399 if (addr->sa_family == AF_INET) { 2400 struct sockaddr_in *sin; 2401 2402 sin = (struct sockaddr_in *)addr; 2403 if (sin->sin_addr.s_addr != INADDR_ANY) { 2404 error = EINVAL; 2405 SCTP_TCB_UNLOCK(stcb); 2406 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2407 break; 2408 } 2409 } else 2410 #endif 2411 #ifdef INET6 2412 if (addr->sa_family == AF_INET6) { 2413 struct sockaddr_in6 *sin6; 2414 2415 sin6 = (struct sockaddr_in6 *)addr; 2416 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2417 error = EINVAL; 2418 SCTP_TCB_UNLOCK(stcb); 2419 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2420 break; 2421 } 2422 } else 2423 #endif 2424 { 2425 error = EAFNOSUPPORT; 2426 SCTP_TCB_UNLOCK(stcb); 2427 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2428 break; 2429 } 2430 } 2431 if (stcb != NULL) { 2432 /* Applies to the specific association */ 2433 paddrp->spp_flags = 0; 2434 if (net != NULL) { 2435 paddrp->spp_hbinterval = net->heart_beat_delay; 2436 paddrp->spp_pathmaxrxt = net->failure_threshold; 2437 paddrp->spp_pathmtu = net->mtu; 2438 switch (net->ro._l_addr.sa.sa_family) { 2439 #ifdef INET 2440 case AF_INET: 2441 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2442 break; 2443 #endif 2444 #ifdef INET6 2445 case AF_INET6: 2446 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2447 break; 2448 #endif 2449 default: 2450 break; 2451 } 2452 /* get flags for HB */ 2453 if (net->dest_state & SCTP_ADDR_NOHB) { 2454 paddrp->spp_flags |= SPP_HB_DISABLE; 2455 } else { 2456 paddrp->spp_flags |= SPP_HB_ENABLE; 2457 } 2458 /* get flags for PMTU */ 2459 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2460 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2461 } else { 2462 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2463 } 2464 if (net->dscp & 0x01) { 2465 paddrp->spp_dscp = net->dscp & 0xfc; 2466 paddrp->spp_flags |= SPP_DSCP; 2467 } 2468 #ifdef INET6 2469 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2470 (net->flowlabel & 0x80000000)) { 2471 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2472 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2473 } 2474 #endif 2475 } else { 2476 /* 2477 * No destination so return default 2478 * value 2479 */ 2480 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2481 paddrp->spp_pathmtu = 0; 2482 if (stcb->asoc.default_dscp & 0x01) { 2483 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2484 paddrp->spp_flags |= SPP_DSCP; 2485 } 2486 #ifdef INET6 2487 if (stcb->asoc.default_flowlabel & 0x80000000) { 2488 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2489 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2490 } 2491 #endif 2492 /* default settings should be these */ 2493 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2494 paddrp->spp_flags |= SPP_HB_DISABLE; 2495 } else { 2496 paddrp->spp_flags |= SPP_HB_ENABLE; 2497 } 2498 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2499 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2500 } else { 2501 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2502 } 2503 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2504 } 2505 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2506 SCTP_TCB_UNLOCK(stcb); 2507 } else { 2508 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2509 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2510 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 2511 /* Use endpoint defaults */ 2512 SCTP_INP_RLOCK(inp); 2513 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2514 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2515 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2516 /* get inp's default */ 2517 if (inp->sctp_ep.default_dscp & 0x01) { 2518 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2519 paddrp->spp_flags |= SPP_DSCP; 2520 } 2521 #ifdef INET6 2522 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2523 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2524 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2525 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2526 } 2527 #endif 2528 /* can't return this */ 2529 paddrp->spp_pathmtu = 0; 2530 2531 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2532 paddrp->spp_flags |= SPP_HB_ENABLE; 2533 } else { 2534 paddrp->spp_flags |= SPP_HB_DISABLE; 2535 } 2536 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2537 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2538 } else { 2539 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2540 } 2541 SCTP_INP_RUNLOCK(inp); 2542 } else { 2543 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2544 error = EINVAL; 2545 } 2546 } 2547 if (error == 0) { 2548 *optsize = sizeof(struct sctp_paddrparams); 2549 } 2550 break; 2551 } 2552 case SCTP_GET_PEER_ADDR_INFO: 2553 { 2554 struct sctp_paddrinfo *paddri; 2555 struct sctp_nets *net; 2556 struct sockaddr *addr; 2557 2558 #if defined(INET) && defined(INET6) 2559 struct sockaddr_in sin_store; 2560 2561 #endif 2562 2563 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2564 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2565 2566 #if defined(INET) && defined(INET6) 2567 if (paddri->spinfo_address.ss_family == AF_INET6) { 2568 struct sockaddr_in6 *sin6; 2569 2570 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2571 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2572 in6_sin6_2_sin(&sin_store, sin6); 2573 addr = (struct sockaddr *)&sin_store; 2574 } else { 2575 addr = (struct sockaddr *)&paddri->spinfo_address; 2576 } 2577 } else { 2578 addr = (struct sockaddr *)&paddri->spinfo_address; 2579 } 2580 #else 2581 addr = (struct sockaddr *)&paddri->spinfo_address; 2582 #endif 2583 if (stcb != NULL) { 2584 net = sctp_findnet(stcb, addr); 2585 } else { 2586 /* 2587 * We increment here since 2588 * sctp_findassociation_ep_addr() wil do a 2589 * decrement if it finds the stcb as long as 2590 * the locked tcb (last argument) is NOT a 2591 * TCB.. aka NULL. 2592 */ 2593 net = NULL; 2594 SCTP_INP_INCR_REF(inp); 2595 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2596 if (stcb == NULL) { 2597 SCTP_INP_DECR_REF(inp); 2598 } 2599 } 2600 2601 if ((stcb != NULL) && (net != NULL)) { 2602 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2603 /* It's unconfirmed */ 2604 paddri->spinfo_state = SCTP_UNCONFIRMED; 2605 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2606 /* It's active */ 2607 paddri->spinfo_state = SCTP_ACTIVE; 2608 } else { 2609 /* It's inactive */ 2610 paddri->spinfo_state = SCTP_INACTIVE; 2611 } 2612 paddri->spinfo_cwnd = net->cwnd; 2613 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2614 paddri->spinfo_rto = net->RTO; 2615 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2616 paddri->spinfo_mtu = net->mtu; 2617 switch (addr->sa_family) { 2618 #if defined(INET) 2619 case AF_INET: 2620 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2621 break; 2622 #endif 2623 #if defined(INET6) 2624 case AF_INET6: 2625 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD; 2626 break; 2627 #endif 2628 default: 2629 break; 2630 } 2631 SCTP_TCB_UNLOCK(stcb); 2632 *optsize = sizeof(struct sctp_paddrinfo); 2633 } else { 2634 if (stcb != NULL) { 2635 SCTP_TCB_UNLOCK(stcb); 2636 } 2637 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2638 error = ENOENT; 2639 } 2640 break; 2641 } 2642 case SCTP_PCB_STATUS: 2643 { 2644 struct sctp_pcbinfo *spcb; 2645 2646 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2647 sctp_fill_pcbinfo(spcb); 2648 *optsize = sizeof(struct sctp_pcbinfo); 2649 break; 2650 } 2651 case SCTP_STATUS: 2652 { 2653 struct sctp_nets *net; 2654 struct sctp_status *sstat; 2655 2656 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2657 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2658 2659 if (stcb == NULL) { 2660 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2661 error = EINVAL; 2662 break; 2663 } 2664 sstat->sstat_state = sctp_map_assoc_state(stcb->asoc.state); 2665 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2666 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2667 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2668 /* 2669 * We can't include chunks that have been passed to 2670 * the socket layer. Only things in queue. 2671 */ 2672 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2673 stcb->asoc.cnt_on_all_streams); 2674 2675 2676 sstat->sstat_instrms = stcb->asoc.streamincnt; 2677 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2678 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2679 memcpy(&sstat->sstat_primary.spinfo_address, 2680 &stcb->asoc.primary_destination->ro._l_addr, 2681 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2682 net = stcb->asoc.primary_destination; 2683 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2684 /* 2685 * Again the user can get info from sctp_constants.h 2686 * for what the state of the network is. 2687 */ 2688 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2689 /* It's unconfirmed */ 2690 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2691 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2692 /* It's active */ 2693 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2694 } else { 2695 /* It's inactive */ 2696 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2697 } 2698 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2699 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2700 sstat->sstat_primary.spinfo_rto = net->RTO; 2701 sstat->sstat_primary.spinfo_mtu = net->mtu; 2702 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) { 2703 #if defined(INET) 2704 case AF_INET: 2705 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2706 break; 2707 #endif 2708 #if defined(INET6) 2709 case AF_INET6: 2710 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD; 2711 break; 2712 #endif 2713 default: 2714 break; 2715 } 2716 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2717 SCTP_TCB_UNLOCK(stcb); 2718 *optsize = sizeof(struct sctp_status); 2719 break; 2720 } 2721 case SCTP_RTOINFO: 2722 { 2723 struct sctp_rtoinfo *srto; 2724 2725 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2726 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2727 2728 if (stcb) { 2729 srto->srto_initial = stcb->asoc.initial_rto; 2730 srto->srto_max = stcb->asoc.maxrto; 2731 srto->srto_min = stcb->asoc.minrto; 2732 SCTP_TCB_UNLOCK(stcb); 2733 } else { 2734 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2735 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2736 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2737 SCTP_INP_RLOCK(inp); 2738 srto->srto_initial = inp->sctp_ep.initial_rto; 2739 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2740 srto->srto_min = inp->sctp_ep.sctp_minrto; 2741 SCTP_INP_RUNLOCK(inp); 2742 } else { 2743 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2744 error = EINVAL; 2745 } 2746 } 2747 if (error == 0) { 2748 *optsize = sizeof(struct sctp_rtoinfo); 2749 } 2750 break; 2751 } 2752 case SCTP_TIMEOUTS: 2753 { 2754 struct sctp_timeouts *stimo; 2755 2756 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2757 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2758 2759 if (stcb) { 2760 stimo->stimo_init = stcb->asoc.timoinit; 2761 stimo->stimo_data = stcb->asoc.timodata; 2762 stimo->stimo_sack = stcb->asoc.timosack; 2763 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2764 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2765 stimo->stimo_cookie = stcb->asoc.timocookie; 2766 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2767 SCTP_TCB_UNLOCK(stcb); 2768 *optsize = sizeof(struct sctp_timeouts); 2769 } else { 2770 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2771 error = EINVAL; 2772 } 2773 break; 2774 } 2775 case SCTP_ASSOCINFO: 2776 { 2777 struct sctp_assocparams *sasoc; 2778 2779 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2780 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2781 2782 if (stcb) { 2783 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2784 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2785 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2786 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2787 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2788 SCTP_TCB_UNLOCK(stcb); 2789 } else { 2790 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2791 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2792 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2793 SCTP_INP_RLOCK(inp); 2794 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2795 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2796 sasoc->sasoc_number_peer_destinations = 0; 2797 sasoc->sasoc_peer_rwnd = 0; 2798 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2799 SCTP_INP_RUNLOCK(inp); 2800 } else { 2801 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2802 error = EINVAL; 2803 } 2804 } 2805 if (error == 0) { 2806 *optsize = sizeof(struct sctp_assocparams); 2807 } 2808 break; 2809 } 2810 case SCTP_DEFAULT_SEND_PARAM: 2811 { 2812 struct sctp_sndrcvinfo *s_info; 2813 2814 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2815 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2816 2817 if (stcb) { 2818 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2819 SCTP_TCB_UNLOCK(stcb); 2820 } else { 2821 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2822 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2823 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2824 SCTP_INP_RLOCK(inp); 2825 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2826 SCTP_INP_RUNLOCK(inp); 2827 } else { 2828 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2829 error = EINVAL; 2830 } 2831 } 2832 if (error == 0) { 2833 *optsize = sizeof(struct sctp_sndrcvinfo); 2834 } 2835 break; 2836 } 2837 case SCTP_INITMSG: 2838 { 2839 struct sctp_initmsg *sinit; 2840 2841 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2842 SCTP_INP_RLOCK(inp); 2843 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2844 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2845 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2846 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2847 SCTP_INP_RUNLOCK(inp); 2848 *optsize = sizeof(struct sctp_initmsg); 2849 break; 2850 } 2851 case SCTP_PRIMARY_ADDR: 2852 /* we allow a "get" operation on this */ 2853 { 2854 struct sctp_setprim *ssp; 2855 2856 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2857 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2858 2859 if (stcb) { 2860 union sctp_sockstore *addr; 2861 2862 addr = &stcb->asoc.primary_destination->ro._l_addr; 2863 switch (addr->sa.sa_family) { 2864 #ifdef INET 2865 case AF_INET: 2866 #ifdef INET6 2867 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2868 in6_sin_2_v4mapsin6(&addr->sin, 2869 (struct sockaddr_in6 *)&ssp->ssp_addr); 2870 } else { 2871 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2872 } 2873 #else 2874 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2875 #endif 2876 break; 2877 #endif 2878 #ifdef INET6 2879 case AF_INET6: 2880 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2881 break; 2882 #endif 2883 default: 2884 break; 2885 } 2886 SCTP_TCB_UNLOCK(stcb); 2887 *optsize = sizeof(struct sctp_setprim); 2888 } else { 2889 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2890 error = EINVAL; 2891 } 2892 break; 2893 } 2894 case SCTP_HMAC_IDENT: 2895 { 2896 struct sctp_hmacalgo *shmac; 2897 sctp_hmaclist_t *hmaclist; 2898 uint32_t size; 2899 int i; 2900 2901 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2902 2903 SCTP_INP_RLOCK(inp); 2904 hmaclist = inp->sctp_ep.local_hmacs; 2905 if (hmaclist == NULL) { 2906 /* no HMACs to return */ 2907 *optsize = sizeof(*shmac); 2908 SCTP_INP_RUNLOCK(inp); 2909 break; 2910 } 2911 /* is there room for all of the hmac ids? */ 2912 size = sizeof(*shmac) + (hmaclist->num_algo * 2913 sizeof(shmac->shmac_idents[0])); 2914 if ((size_t)(*optsize) < size) { 2915 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2916 error = EINVAL; 2917 SCTP_INP_RUNLOCK(inp); 2918 break; 2919 } 2920 /* copy in the list */ 2921 shmac->shmac_number_of_idents = hmaclist->num_algo; 2922 for (i = 0; i < hmaclist->num_algo; i++) { 2923 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2924 } 2925 SCTP_INP_RUNLOCK(inp); 2926 *optsize = size; 2927 break; 2928 } 2929 case SCTP_AUTH_ACTIVE_KEY: 2930 { 2931 struct sctp_authkeyid *scact; 2932 2933 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2934 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2935 2936 if (stcb) { 2937 /* get the active key on the assoc */ 2938 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2939 SCTP_TCB_UNLOCK(stcb); 2940 } else { 2941 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2942 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2943 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2944 /* get the endpoint active key */ 2945 SCTP_INP_RLOCK(inp); 2946 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2947 SCTP_INP_RUNLOCK(inp); 2948 } else { 2949 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2950 error = EINVAL; 2951 } 2952 } 2953 if (error == 0) { 2954 *optsize = sizeof(struct sctp_authkeyid); 2955 } 2956 break; 2957 } 2958 case SCTP_LOCAL_AUTH_CHUNKS: 2959 { 2960 struct sctp_authchunks *sac; 2961 sctp_auth_chklist_t *chklist = NULL; 2962 size_t size = 0; 2963 2964 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2965 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2966 2967 if (stcb) { 2968 /* get off the assoc */ 2969 chklist = stcb->asoc.local_auth_chunks; 2970 /* is there enough space? */ 2971 size = sctp_auth_get_chklist_size(chklist); 2972 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2973 error = EINVAL; 2974 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2975 } else { 2976 /* copy in the chunks */ 2977 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2978 sac->gauth_number_of_chunks = (uint32_t) size; 2979 *optsize = sizeof(struct sctp_authchunks) + size; 2980 } 2981 SCTP_TCB_UNLOCK(stcb); 2982 } else { 2983 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2984 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2985 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 2986 /* get off the endpoint */ 2987 SCTP_INP_RLOCK(inp); 2988 chklist = inp->sctp_ep.local_auth_chunks; 2989 /* is there enough space? */ 2990 size = sctp_auth_get_chklist_size(chklist); 2991 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2992 error = EINVAL; 2993 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2994 } else { 2995 /* copy in the chunks */ 2996 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2997 sac->gauth_number_of_chunks = (uint32_t) size; 2998 *optsize = sizeof(struct sctp_authchunks) + size; 2999 } 3000 SCTP_INP_RUNLOCK(inp); 3001 } else { 3002 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3003 error = EINVAL; 3004 } 3005 } 3006 break; 3007 } 3008 case SCTP_PEER_AUTH_CHUNKS: 3009 { 3010 struct sctp_authchunks *sac; 3011 sctp_auth_chklist_t *chklist = NULL; 3012 size_t size = 0; 3013 3014 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 3015 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 3016 3017 if (stcb) { 3018 /* get off the assoc */ 3019 chklist = stcb->asoc.peer_auth_chunks; 3020 /* is there enough space? */ 3021 size = sctp_auth_get_chklist_size(chklist); 3022 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 3023 error = EINVAL; 3024 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3025 } else { 3026 /* copy in the chunks */ 3027 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 3028 sac->gauth_number_of_chunks = (uint32_t) size; 3029 *optsize = sizeof(struct sctp_authchunks) + size; 3030 } 3031 SCTP_TCB_UNLOCK(stcb); 3032 } else { 3033 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 3034 error = ENOENT; 3035 } 3036 break; 3037 } 3038 case SCTP_EVENT: 3039 { 3040 struct sctp_event *event; 3041 uint32_t event_type; 3042 3043 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 3044 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 3045 3046 switch (event->se_type) { 3047 case SCTP_ASSOC_CHANGE: 3048 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 3049 break; 3050 case SCTP_PEER_ADDR_CHANGE: 3051 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3052 break; 3053 case SCTP_REMOTE_ERROR: 3054 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3055 break; 3056 case SCTP_SEND_FAILED: 3057 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3058 break; 3059 case SCTP_SHUTDOWN_EVENT: 3060 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3061 break; 3062 case SCTP_ADAPTATION_INDICATION: 3063 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3064 break; 3065 case SCTP_PARTIAL_DELIVERY_EVENT: 3066 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3067 break; 3068 case SCTP_AUTHENTICATION_EVENT: 3069 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3070 break; 3071 case SCTP_STREAM_RESET_EVENT: 3072 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3073 break; 3074 case SCTP_SENDER_DRY_EVENT: 3075 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3076 break; 3077 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3078 event_type = 0; 3079 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3080 error = ENOTSUP; 3081 break; 3082 case SCTP_ASSOC_RESET_EVENT: 3083 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3084 break; 3085 case SCTP_STREAM_CHANGE_EVENT: 3086 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3087 break; 3088 case SCTP_SEND_FAILED_EVENT: 3089 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3090 break; 3091 default: 3092 event_type = 0; 3093 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3094 error = EINVAL; 3095 break; 3096 } 3097 if (event_type > 0) { 3098 if (stcb) { 3099 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3100 SCTP_TCB_UNLOCK(stcb); 3101 } else { 3102 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3103 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3104 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 3105 SCTP_INP_RLOCK(inp); 3106 event->se_on = sctp_is_feature_on(inp, event_type); 3107 SCTP_INP_RUNLOCK(inp); 3108 } else { 3109 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3110 error = EINVAL; 3111 } 3112 } 3113 } 3114 if (error == 0) { 3115 *optsize = sizeof(struct sctp_event); 3116 } 3117 break; 3118 } 3119 case SCTP_RECVRCVINFO: 3120 { 3121 int onoff; 3122 3123 if (*optsize < sizeof(int)) { 3124 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3125 error = EINVAL; 3126 } else { 3127 SCTP_INP_RLOCK(inp); 3128 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3129 SCTP_INP_RUNLOCK(inp); 3130 } 3131 if (error == 0) { 3132 /* return the option value */ 3133 *(int *)optval = onoff; 3134 *optsize = sizeof(int); 3135 } 3136 break; 3137 } 3138 case SCTP_RECVNXTINFO: 3139 { 3140 int onoff; 3141 3142 if (*optsize < sizeof(int)) { 3143 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3144 error = EINVAL; 3145 } else { 3146 SCTP_INP_RLOCK(inp); 3147 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3148 SCTP_INP_RUNLOCK(inp); 3149 } 3150 if (error == 0) { 3151 /* return the option value */ 3152 *(int *)optval = onoff; 3153 *optsize = sizeof(int); 3154 } 3155 break; 3156 } 3157 case SCTP_DEFAULT_SNDINFO: 3158 { 3159 struct sctp_sndinfo *info; 3160 3161 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3162 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3163 3164 if (stcb) { 3165 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3166 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3167 info->snd_flags &= 0xfff0; 3168 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3169 info->snd_context = stcb->asoc.def_send.sinfo_context; 3170 SCTP_TCB_UNLOCK(stcb); 3171 } else { 3172 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3173 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3174 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3175 SCTP_INP_RLOCK(inp); 3176 info->snd_sid = inp->def_send.sinfo_stream; 3177 info->snd_flags = inp->def_send.sinfo_flags; 3178 info->snd_flags &= 0xfff0; 3179 info->snd_ppid = inp->def_send.sinfo_ppid; 3180 info->snd_context = inp->def_send.sinfo_context; 3181 SCTP_INP_RUNLOCK(inp); 3182 } else { 3183 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3184 error = EINVAL; 3185 } 3186 } 3187 if (error == 0) { 3188 *optsize = sizeof(struct sctp_sndinfo); 3189 } 3190 break; 3191 } 3192 case SCTP_DEFAULT_PRINFO: 3193 { 3194 struct sctp_default_prinfo *info; 3195 3196 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3197 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3198 3199 if (stcb) { 3200 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3201 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3202 SCTP_TCB_UNLOCK(stcb); 3203 } else { 3204 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3205 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3206 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3207 SCTP_INP_RLOCK(inp); 3208 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3209 info->pr_value = inp->def_send.sinfo_timetolive; 3210 SCTP_INP_RUNLOCK(inp); 3211 } else { 3212 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3213 error = EINVAL; 3214 } 3215 } 3216 if (error == 0) { 3217 *optsize = sizeof(struct sctp_default_prinfo); 3218 } 3219 break; 3220 } 3221 case SCTP_PEER_ADDR_THLDS: 3222 { 3223 struct sctp_paddrthlds *thlds; 3224 struct sctp_nets *net; 3225 struct sockaddr *addr; 3226 3227 #if defined(INET) && defined(INET6) 3228 struct sockaddr_in sin_store; 3229 3230 #endif 3231 3232 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3233 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3234 3235 #if defined(INET) && defined(INET6) 3236 if (thlds->spt_address.ss_family == AF_INET6) { 3237 struct sockaddr_in6 *sin6; 3238 3239 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3240 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3241 in6_sin6_2_sin(&sin_store, sin6); 3242 addr = (struct sockaddr *)&sin_store; 3243 } else { 3244 addr = (struct sockaddr *)&thlds->spt_address; 3245 } 3246 } else { 3247 addr = (struct sockaddr *)&thlds->spt_address; 3248 } 3249 #else 3250 addr = (struct sockaddr *)&thlds->spt_address; 3251 #endif 3252 if (stcb != NULL) { 3253 net = sctp_findnet(stcb, addr); 3254 } else { 3255 /* 3256 * We increment here since 3257 * sctp_findassociation_ep_addr() wil do a 3258 * decrement if it finds the stcb as long as 3259 * the locked tcb (last argument) is NOT a 3260 * TCB.. aka NULL. 3261 */ 3262 net = NULL; 3263 SCTP_INP_INCR_REF(inp); 3264 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3265 if (stcb == NULL) { 3266 SCTP_INP_DECR_REF(inp); 3267 } 3268 } 3269 if ((stcb != NULL) && (net == NULL)) { 3270 #ifdef INET 3271 if (addr->sa_family == AF_INET) { 3272 struct sockaddr_in *sin; 3273 3274 sin = (struct sockaddr_in *)addr; 3275 if (sin->sin_addr.s_addr != INADDR_ANY) { 3276 error = EINVAL; 3277 SCTP_TCB_UNLOCK(stcb); 3278 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3279 break; 3280 } 3281 } else 3282 #endif 3283 #ifdef INET6 3284 if (addr->sa_family == AF_INET6) { 3285 struct sockaddr_in6 *sin6; 3286 3287 sin6 = (struct sockaddr_in6 *)addr; 3288 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3289 error = EINVAL; 3290 SCTP_TCB_UNLOCK(stcb); 3291 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3292 break; 3293 } 3294 } else 3295 #endif 3296 { 3297 error = EAFNOSUPPORT; 3298 SCTP_TCB_UNLOCK(stcb); 3299 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3300 break; 3301 } 3302 } 3303 if (stcb != NULL) { 3304 if (net != NULL) { 3305 thlds->spt_pathmaxrxt = net->failure_threshold; 3306 thlds->spt_pathpfthld = net->pf_threshold; 3307 thlds->spt_pathcpthld = 0xffff; 3308 } else { 3309 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3310 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3311 thlds->spt_pathcpthld = 0xffff; 3312 } 3313 thlds->spt_assoc_id = sctp_get_associd(stcb); 3314 SCTP_TCB_UNLOCK(stcb); 3315 } else { 3316 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3317 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3318 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3319 /* Use endpoint defaults */ 3320 SCTP_INP_RLOCK(inp); 3321 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3322 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3323 thlds->spt_pathcpthld = 0xffff; 3324 SCTP_INP_RUNLOCK(inp); 3325 } else { 3326 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3327 error = EINVAL; 3328 } 3329 } 3330 if (error == 0) { 3331 *optsize = sizeof(struct sctp_paddrthlds); 3332 } 3333 break; 3334 } 3335 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3336 { 3337 struct sctp_udpencaps *encaps; 3338 struct sctp_nets *net; 3339 struct sockaddr *addr; 3340 3341 #if defined(INET) && defined(INET6) 3342 struct sockaddr_in sin_store; 3343 3344 #endif 3345 3346 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3347 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3348 3349 #if defined(INET) && defined(INET6) 3350 if (encaps->sue_address.ss_family == AF_INET6) { 3351 struct sockaddr_in6 *sin6; 3352 3353 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3354 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3355 in6_sin6_2_sin(&sin_store, sin6); 3356 addr = (struct sockaddr *)&sin_store; 3357 } else { 3358 addr = (struct sockaddr *)&encaps->sue_address; 3359 } 3360 } else { 3361 addr = (struct sockaddr *)&encaps->sue_address; 3362 } 3363 #else 3364 addr = (struct sockaddr *)&encaps->sue_address; 3365 #endif 3366 if (stcb) { 3367 net = sctp_findnet(stcb, addr); 3368 } else { 3369 /* 3370 * We increment here since 3371 * sctp_findassociation_ep_addr() wil do a 3372 * decrement if it finds the stcb as long as 3373 * the locked tcb (last argument) is NOT a 3374 * TCB.. aka NULL. 3375 */ 3376 net = NULL; 3377 SCTP_INP_INCR_REF(inp); 3378 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3379 if (stcb == NULL) { 3380 SCTP_INP_DECR_REF(inp); 3381 } 3382 } 3383 if ((stcb != NULL) && (net == NULL)) { 3384 #ifdef INET 3385 if (addr->sa_family == AF_INET) { 3386 struct sockaddr_in *sin; 3387 3388 sin = (struct sockaddr_in *)addr; 3389 if (sin->sin_addr.s_addr != INADDR_ANY) { 3390 error = EINVAL; 3391 SCTP_TCB_UNLOCK(stcb); 3392 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3393 break; 3394 } 3395 } else 3396 #endif 3397 #ifdef INET6 3398 if (addr->sa_family == AF_INET6) { 3399 struct sockaddr_in6 *sin6; 3400 3401 sin6 = (struct sockaddr_in6 *)addr; 3402 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3403 error = EINVAL; 3404 SCTP_TCB_UNLOCK(stcb); 3405 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3406 break; 3407 } 3408 } else 3409 #endif 3410 { 3411 error = EAFNOSUPPORT; 3412 SCTP_TCB_UNLOCK(stcb); 3413 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3414 break; 3415 } 3416 } 3417 if (stcb != NULL) { 3418 if (net) { 3419 encaps->sue_port = net->port; 3420 } else { 3421 encaps->sue_port = stcb->asoc.port; 3422 } 3423 SCTP_TCB_UNLOCK(stcb); 3424 } else { 3425 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3426 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3427 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3428 SCTP_INP_RLOCK(inp); 3429 encaps->sue_port = inp->sctp_ep.port; 3430 SCTP_INP_RUNLOCK(inp); 3431 } else { 3432 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3433 error = EINVAL; 3434 } 3435 } 3436 if (error == 0) { 3437 *optsize = sizeof(struct sctp_udpencaps); 3438 } 3439 break; 3440 } 3441 case SCTP_ECN_SUPPORTED: 3442 { 3443 struct sctp_assoc_value *av; 3444 3445 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3446 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3447 3448 if (stcb) { 3449 av->assoc_value = stcb->asoc.ecn_supported; 3450 SCTP_TCB_UNLOCK(stcb); 3451 } else { 3452 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3453 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3454 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3455 SCTP_INP_RLOCK(inp); 3456 av->assoc_value = inp->ecn_supported; 3457 SCTP_INP_RUNLOCK(inp); 3458 } else { 3459 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3460 error = EINVAL; 3461 } 3462 } 3463 if (error == 0) { 3464 *optsize = sizeof(struct sctp_assoc_value); 3465 } 3466 break; 3467 } 3468 case SCTP_PR_SUPPORTED: 3469 { 3470 struct sctp_assoc_value *av; 3471 3472 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3473 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3474 3475 if (stcb) { 3476 av->assoc_value = stcb->asoc.prsctp_supported; 3477 SCTP_TCB_UNLOCK(stcb); 3478 } else { 3479 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3480 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3481 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3482 SCTP_INP_RLOCK(inp); 3483 av->assoc_value = inp->prsctp_supported; 3484 SCTP_INP_RUNLOCK(inp); 3485 } else { 3486 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3487 error = EINVAL; 3488 } 3489 } 3490 if (error == 0) { 3491 *optsize = sizeof(struct sctp_assoc_value); 3492 } 3493 break; 3494 } 3495 case SCTP_AUTH_SUPPORTED: 3496 { 3497 struct sctp_assoc_value *av; 3498 3499 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3500 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3501 3502 if (stcb) { 3503 av->assoc_value = stcb->asoc.auth_supported; 3504 SCTP_TCB_UNLOCK(stcb); 3505 } else { 3506 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3507 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3508 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3509 SCTP_INP_RLOCK(inp); 3510 av->assoc_value = inp->auth_supported; 3511 SCTP_INP_RUNLOCK(inp); 3512 } else { 3513 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3514 error = EINVAL; 3515 } 3516 } 3517 if (error == 0) { 3518 *optsize = sizeof(struct sctp_assoc_value); 3519 } 3520 break; 3521 } 3522 case SCTP_ASCONF_SUPPORTED: 3523 { 3524 struct sctp_assoc_value *av; 3525 3526 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3527 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3528 3529 if (stcb) { 3530 av->assoc_value = stcb->asoc.asconf_supported; 3531 SCTP_TCB_UNLOCK(stcb); 3532 } else { 3533 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3534 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3535 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3536 SCTP_INP_RLOCK(inp); 3537 av->assoc_value = inp->asconf_supported; 3538 SCTP_INP_RUNLOCK(inp); 3539 } else { 3540 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3541 error = EINVAL; 3542 } 3543 } 3544 if (error == 0) { 3545 *optsize = sizeof(struct sctp_assoc_value); 3546 } 3547 break; 3548 } 3549 case SCTP_RECONFIG_SUPPORTED: 3550 { 3551 struct sctp_assoc_value *av; 3552 3553 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3554 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3555 3556 if (stcb) { 3557 av->assoc_value = stcb->asoc.reconfig_supported; 3558 SCTP_TCB_UNLOCK(stcb); 3559 } else { 3560 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3561 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3562 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3563 SCTP_INP_RLOCK(inp); 3564 av->assoc_value = inp->reconfig_supported; 3565 SCTP_INP_RUNLOCK(inp); 3566 } else { 3567 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3568 error = EINVAL; 3569 } 3570 } 3571 if (error == 0) { 3572 *optsize = sizeof(struct sctp_assoc_value); 3573 } 3574 break; 3575 } 3576 case SCTP_NRSACK_SUPPORTED: 3577 { 3578 struct sctp_assoc_value *av; 3579 3580 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3581 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3582 3583 if (stcb) { 3584 av->assoc_value = stcb->asoc.nrsack_supported; 3585 SCTP_TCB_UNLOCK(stcb); 3586 } else { 3587 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3588 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3589 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3590 SCTP_INP_RLOCK(inp); 3591 av->assoc_value = inp->nrsack_supported; 3592 SCTP_INP_RUNLOCK(inp); 3593 } else { 3594 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3595 error = EINVAL; 3596 } 3597 } 3598 if (error == 0) { 3599 *optsize = sizeof(struct sctp_assoc_value); 3600 } 3601 break; 3602 } 3603 case SCTP_PKTDROP_SUPPORTED: 3604 { 3605 struct sctp_assoc_value *av; 3606 3607 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3608 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3609 3610 if (stcb) { 3611 av->assoc_value = stcb->asoc.pktdrop_supported; 3612 SCTP_TCB_UNLOCK(stcb); 3613 } else { 3614 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3615 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3616 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3617 SCTP_INP_RLOCK(inp); 3618 av->assoc_value = inp->pktdrop_supported; 3619 SCTP_INP_RUNLOCK(inp); 3620 } else { 3621 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3622 error = EINVAL; 3623 } 3624 } 3625 if (error == 0) { 3626 *optsize = sizeof(struct sctp_assoc_value); 3627 } 3628 break; 3629 } 3630 case SCTP_ENABLE_STREAM_RESET: 3631 { 3632 struct sctp_assoc_value *av; 3633 3634 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3635 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3636 3637 if (stcb) { 3638 av->assoc_value = (uint32_t) stcb->asoc.local_strreset_support; 3639 SCTP_TCB_UNLOCK(stcb); 3640 } else { 3641 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3642 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3643 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3644 SCTP_INP_RLOCK(inp); 3645 av->assoc_value = (uint32_t) inp->local_strreset_support; 3646 SCTP_INP_RUNLOCK(inp); 3647 } else { 3648 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3649 error = EINVAL; 3650 } 3651 } 3652 if (error == 0) { 3653 *optsize = sizeof(struct sctp_assoc_value); 3654 } 3655 break; 3656 } 3657 case SCTP_PR_STREAM_STATUS: 3658 { 3659 struct sctp_prstatus *sprstat; 3660 uint16_t sid; 3661 uint16_t policy; 3662 3663 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3664 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3665 3666 sid = sprstat->sprstat_sid; 3667 policy = sprstat->sprstat_policy; 3668 #if defined(SCTP_DETAILED_STR_STATS) 3669 if ((stcb != NULL) && 3670 (sid < stcb->asoc.streamoutcnt) && 3671 (policy != SCTP_PR_SCTP_NONE) && 3672 ((policy <= SCTP_PR_SCTP_MAX) || 3673 (policy == SCTP_PR_SCTP_ALL))) { 3674 if (policy == SCTP_PR_SCTP_ALL) { 3675 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3676 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3677 } else { 3678 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3679 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3680 } 3681 #else 3682 if ((stcb != NULL) && 3683 (sid < stcb->asoc.streamoutcnt) && 3684 (policy == SCTP_PR_SCTP_ALL)) { 3685 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3686 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3687 #endif 3688 SCTP_TCB_UNLOCK(stcb); 3689 *optsize = sizeof(struct sctp_prstatus); 3690 } else { 3691 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3692 error = EINVAL; 3693 } 3694 break; 3695 } 3696 case SCTP_PR_ASSOC_STATUS: 3697 { 3698 struct sctp_prstatus *sprstat; 3699 uint16_t policy; 3700 3701 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3702 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3703 3704 policy = sprstat->sprstat_policy; 3705 if ((stcb != NULL) && 3706 (policy != SCTP_PR_SCTP_NONE) && 3707 ((policy <= SCTP_PR_SCTP_MAX) || 3708 (policy == SCTP_PR_SCTP_ALL))) { 3709 if (policy == SCTP_PR_SCTP_ALL) { 3710 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3711 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3712 } else { 3713 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3714 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3715 } 3716 SCTP_TCB_UNLOCK(stcb); 3717 *optsize = sizeof(struct sctp_prstatus); 3718 } else { 3719 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3720 error = EINVAL; 3721 } 3722 break; 3723 } 3724 case SCTP_MAX_CWND: 3725 { 3726 struct sctp_assoc_value *av; 3727 3728 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3729 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3730 3731 if (stcb) { 3732 av->assoc_value = stcb->asoc.max_cwnd; 3733 SCTP_TCB_UNLOCK(stcb); 3734 } else { 3735 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3736 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3737 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3738 SCTP_INP_RLOCK(inp); 3739 av->assoc_value = inp->max_cwnd; 3740 SCTP_INP_RUNLOCK(inp); 3741 } else { 3742 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3743 error = EINVAL; 3744 } 3745 } 3746 if (error == 0) { 3747 *optsize = sizeof(struct sctp_assoc_value); 3748 } 3749 break; 3750 } 3751 default: 3752 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3753 error = ENOPROTOOPT; 3754 break; 3755 } /* end switch (sopt->sopt_name) */ 3756 if (error) { 3757 *optsize = 0; 3758 } 3759 return (error); 3760 } 3761 3762 static int 3763 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3764 void *p) 3765 { 3766 int error, set_opt; 3767 uint32_t *mopt; 3768 struct sctp_tcb *stcb = NULL; 3769 struct sctp_inpcb *inp = NULL; 3770 uint32_t vrf_id; 3771 3772 if (optval == NULL) { 3773 SCTP_PRINTF("optval is NULL\n"); 3774 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3775 return (EINVAL); 3776 } 3777 inp = (struct sctp_inpcb *)so->so_pcb; 3778 if (inp == NULL) { 3779 SCTP_PRINTF("inp is NULL?\n"); 3780 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3781 return (EINVAL); 3782 } 3783 vrf_id = inp->def_vrf_id; 3784 3785 error = 0; 3786 switch (optname) { 3787 case SCTP_NODELAY: 3788 case SCTP_AUTOCLOSE: 3789 case SCTP_AUTO_ASCONF: 3790 case SCTP_EXPLICIT_EOR: 3791 case SCTP_DISABLE_FRAGMENTS: 3792 case SCTP_USE_EXT_RCVINFO: 3793 case SCTP_I_WANT_MAPPED_V4_ADDR: 3794 /* copy in the option value */ 3795 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3796 set_opt = 0; 3797 if (error) 3798 break; 3799 switch (optname) { 3800 case SCTP_DISABLE_FRAGMENTS: 3801 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3802 break; 3803 case SCTP_AUTO_ASCONF: 3804 /* 3805 * NOTE: we don't really support this flag 3806 */ 3807 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3808 /* only valid for bound all sockets */ 3809 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3810 (*mopt != 0)) { 3811 /* forbidden by admin */ 3812 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3813 return (EPERM); 3814 } 3815 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3816 } else { 3817 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3818 return (EINVAL); 3819 } 3820 break; 3821 case SCTP_EXPLICIT_EOR: 3822 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3823 break; 3824 case SCTP_USE_EXT_RCVINFO: 3825 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3826 break; 3827 case SCTP_I_WANT_MAPPED_V4_ADDR: 3828 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3829 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3830 } else { 3831 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3832 return (EINVAL); 3833 } 3834 break; 3835 case SCTP_NODELAY: 3836 set_opt = SCTP_PCB_FLAGS_NODELAY; 3837 break; 3838 case SCTP_AUTOCLOSE: 3839 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3840 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3841 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3842 return (EINVAL); 3843 } 3844 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3845 /* 3846 * The value is in ticks. Note this does not effect 3847 * old associations, only new ones. 3848 */ 3849 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3850 break; 3851 } 3852 SCTP_INP_WLOCK(inp); 3853 if (*mopt != 0) { 3854 sctp_feature_on(inp, set_opt); 3855 } else { 3856 sctp_feature_off(inp, set_opt); 3857 } 3858 SCTP_INP_WUNLOCK(inp); 3859 break; 3860 case SCTP_REUSE_PORT: 3861 { 3862 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3863 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3864 /* Can't set it after we are bound */ 3865 error = EINVAL; 3866 break; 3867 } 3868 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3869 /* Can't do this for a 1-m socket */ 3870 error = EINVAL; 3871 break; 3872 } 3873 if (optval) 3874 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3875 else 3876 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3877 break; 3878 } 3879 case SCTP_PARTIAL_DELIVERY_POINT: 3880 { 3881 uint32_t *value; 3882 3883 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3884 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3885 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3886 error = EINVAL; 3887 break; 3888 } 3889 inp->partial_delivery_point = *value; 3890 break; 3891 } 3892 case SCTP_FRAGMENT_INTERLEAVE: 3893 /* not yet until we re-write sctp_recvmsg() */ 3894 { 3895 uint32_t *level; 3896 3897 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3898 if (*level == SCTP_FRAG_LEVEL_2) { 3899 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3900 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3901 } else if (*level == SCTP_FRAG_LEVEL_1) { 3902 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3903 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3904 } else if (*level == SCTP_FRAG_LEVEL_0) { 3905 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3906 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3907 3908 } else { 3909 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3910 error = EINVAL; 3911 } 3912 break; 3913 } 3914 case SCTP_INTERLEAVING_SUPPORTED: 3915 { 3916 struct sctp_assoc_value *av; 3917 3918 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3919 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3920 3921 if (stcb) { 3922 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3923 error = EINVAL; 3924 SCTP_TCB_UNLOCK(stcb); 3925 } else { 3926 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3927 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3928 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3929 SCTP_INP_WLOCK(inp); 3930 if (av->assoc_value == 0) { 3931 inp->idata_supported = 0; 3932 } else { 3933 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) && 3934 (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS))) { 3935 inp->idata_supported = 1; 3936 } else { 3937 /* 3938 * Must have Frag 3939 * interleave and 3940 * stream interleave 3941 * on 3942 */ 3943 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3944 error = EINVAL; 3945 } 3946 } 3947 SCTP_INP_WUNLOCK(inp); 3948 } else { 3949 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3950 error = EINVAL; 3951 } 3952 } 3953 break; 3954 } 3955 case SCTP_CMT_ON_OFF: 3956 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3957 struct sctp_assoc_value *av; 3958 3959 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3960 if (av->assoc_value > SCTP_CMT_MAX) { 3961 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3962 error = EINVAL; 3963 break; 3964 } 3965 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3966 if (stcb) { 3967 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3968 SCTP_TCB_UNLOCK(stcb); 3969 } else { 3970 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3971 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3972 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3973 (av->assoc_id == SCTP_ALL_ASSOC)) { 3974 SCTP_INP_WLOCK(inp); 3975 inp->sctp_cmt_on_off = av->assoc_value; 3976 SCTP_INP_WUNLOCK(inp); 3977 } 3978 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3979 (av->assoc_id == SCTP_ALL_ASSOC)) { 3980 SCTP_INP_RLOCK(inp); 3981 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3982 SCTP_TCB_LOCK(stcb); 3983 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3984 SCTP_TCB_UNLOCK(stcb); 3985 } 3986 SCTP_INP_RUNLOCK(inp); 3987 } 3988 } 3989 } else { 3990 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3991 error = ENOPROTOOPT; 3992 } 3993 break; 3994 case SCTP_PLUGGABLE_CC: 3995 { 3996 struct sctp_assoc_value *av; 3997 struct sctp_nets *net; 3998 3999 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4000 if ((av->assoc_value != SCTP_CC_RFC2581) && 4001 (av->assoc_value != SCTP_CC_HSTCP) && 4002 (av->assoc_value != SCTP_CC_HTCP) && 4003 (av->assoc_value != SCTP_CC_RTCC)) { 4004 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4005 error = EINVAL; 4006 break; 4007 } 4008 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4009 if (stcb) { 4010 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4011 stcb->asoc.congestion_control_module = av->assoc_value; 4012 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4013 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4014 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4015 } 4016 } 4017 SCTP_TCB_UNLOCK(stcb); 4018 } else { 4019 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4020 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4021 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4022 (av->assoc_id == SCTP_ALL_ASSOC)) { 4023 SCTP_INP_WLOCK(inp); 4024 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 4025 SCTP_INP_WUNLOCK(inp); 4026 } 4027 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4028 (av->assoc_id == SCTP_ALL_ASSOC)) { 4029 SCTP_INP_RLOCK(inp); 4030 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4031 SCTP_TCB_LOCK(stcb); 4032 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4033 stcb->asoc.congestion_control_module = av->assoc_value; 4034 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4035 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4036 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4037 } 4038 } 4039 SCTP_TCB_UNLOCK(stcb); 4040 } 4041 SCTP_INP_RUNLOCK(inp); 4042 } 4043 } 4044 break; 4045 } 4046 case SCTP_CC_OPTION: 4047 { 4048 struct sctp_cc_option *cc_opt; 4049 4050 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 4051 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 4052 if (stcb == NULL) { 4053 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 4054 SCTP_INP_RLOCK(inp); 4055 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4056 SCTP_TCB_LOCK(stcb); 4057 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 4058 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 4059 } 4060 SCTP_TCB_UNLOCK(stcb); 4061 } 4062 SCTP_INP_RUNLOCK(inp); 4063 } else { 4064 error = EINVAL; 4065 } 4066 } else { 4067 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4068 error = ENOTSUP; 4069 } else { 4070 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4071 cc_opt); 4072 } 4073 SCTP_TCB_UNLOCK(stcb); 4074 } 4075 break; 4076 } 4077 case SCTP_PLUGGABLE_SS: 4078 { 4079 struct sctp_assoc_value *av; 4080 4081 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4082 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4083 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 4084 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 4085 (av->assoc_value != SCTP_SS_PRIORITY) && 4086 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 4087 (av->assoc_value != SCTP_SS_FIRST_COME)) { 4088 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4089 error = EINVAL; 4090 break; 4091 } 4092 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4093 if (stcb) { 4094 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4095 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4096 stcb->asoc.stream_scheduling_module = av->assoc_value; 4097 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4098 SCTP_TCB_UNLOCK(stcb); 4099 } else { 4100 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4101 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4102 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4103 (av->assoc_id == SCTP_ALL_ASSOC)) { 4104 SCTP_INP_WLOCK(inp); 4105 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4106 SCTP_INP_WUNLOCK(inp); 4107 } 4108 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4109 (av->assoc_id == SCTP_ALL_ASSOC)) { 4110 SCTP_INP_RLOCK(inp); 4111 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4112 SCTP_TCB_LOCK(stcb); 4113 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4114 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4115 stcb->asoc.stream_scheduling_module = av->assoc_value; 4116 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4117 SCTP_TCB_UNLOCK(stcb); 4118 } 4119 SCTP_INP_RUNLOCK(inp); 4120 } 4121 } 4122 break; 4123 } 4124 case SCTP_SS_VALUE: 4125 { 4126 struct sctp_stream_value *av; 4127 4128 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4129 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4130 if (stcb) { 4131 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4132 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4133 av->stream_value) < 0)) { 4134 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4135 error = EINVAL; 4136 } 4137 SCTP_TCB_UNLOCK(stcb); 4138 } else { 4139 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 4140 SCTP_INP_RLOCK(inp); 4141 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4142 SCTP_TCB_LOCK(stcb); 4143 if (av->stream_id < stcb->asoc.streamoutcnt) { 4144 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4145 &stcb->asoc, 4146 &stcb->asoc.strmout[av->stream_id], 4147 av->stream_value); 4148 } 4149 SCTP_TCB_UNLOCK(stcb); 4150 } 4151 SCTP_INP_RUNLOCK(inp); 4152 } else { 4153 /* 4154 * Can't set stream value without 4155 * association 4156 */ 4157 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4158 error = EINVAL; 4159 } 4160 } 4161 break; 4162 } 4163 case SCTP_CLR_STAT_LOG: 4164 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4165 error = EOPNOTSUPP; 4166 break; 4167 case SCTP_CONTEXT: 4168 { 4169 struct sctp_assoc_value *av; 4170 4171 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4172 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4173 4174 if (stcb) { 4175 stcb->asoc.context = av->assoc_value; 4176 SCTP_TCB_UNLOCK(stcb); 4177 } else { 4178 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4179 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4180 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4181 (av->assoc_id == SCTP_ALL_ASSOC)) { 4182 SCTP_INP_WLOCK(inp); 4183 inp->sctp_context = av->assoc_value; 4184 SCTP_INP_WUNLOCK(inp); 4185 } 4186 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4187 (av->assoc_id == SCTP_ALL_ASSOC)) { 4188 SCTP_INP_RLOCK(inp); 4189 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4190 SCTP_TCB_LOCK(stcb); 4191 stcb->asoc.context = av->assoc_value; 4192 SCTP_TCB_UNLOCK(stcb); 4193 } 4194 SCTP_INP_RUNLOCK(inp); 4195 } 4196 } 4197 break; 4198 } 4199 case SCTP_VRF_ID: 4200 { 4201 uint32_t *default_vrfid; 4202 4203 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4204 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4205 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4206 error = EINVAL; 4207 break; 4208 } 4209 inp->def_vrf_id = *default_vrfid; 4210 break; 4211 } 4212 case SCTP_DEL_VRF_ID: 4213 { 4214 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4215 error = EOPNOTSUPP; 4216 break; 4217 } 4218 case SCTP_ADD_VRF_ID: 4219 { 4220 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4221 error = EOPNOTSUPP; 4222 break; 4223 } 4224 case SCTP_DELAYED_SACK: 4225 { 4226 struct sctp_sack_info *sack; 4227 4228 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4229 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4230 if (sack->sack_delay) { 4231 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 4232 sack->sack_delay = SCTP_MAX_SACK_DELAY; 4233 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 4234 sack->sack_delay = TICKS_TO_MSEC(1); 4235 } 4236 } 4237 if (stcb) { 4238 if (sack->sack_delay) { 4239 stcb->asoc.delayed_ack = sack->sack_delay; 4240 } 4241 if (sack->sack_freq) { 4242 stcb->asoc.sack_freq = sack->sack_freq; 4243 } 4244 SCTP_TCB_UNLOCK(stcb); 4245 } else { 4246 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4247 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4248 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4249 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4250 SCTP_INP_WLOCK(inp); 4251 if (sack->sack_delay) { 4252 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 4253 } 4254 if (sack->sack_freq) { 4255 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4256 } 4257 SCTP_INP_WUNLOCK(inp); 4258 } 4259 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4260 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4261 SCTP_INP_RLOCK(inp); 4262 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4263 SCTP_TCB_LOCK(stcb); 4264 if (sack->sack_delay) { 4265 stcb->asoc.delayed_ack = sack->sack_delay; 4266 } 4267 if (sack->sack_freq) { 4268 stcb->asoc.sack_freq = sack->sack_freq; 4269 } 4270 SCTP_TCB_UNLOCK(stcb); 4271 } 4272 SCTP_INP_RUNLOCK(inp); 4273 } 4274 } 4275 break; 4276 } 4277 case SCTP_AUTH_CHUNK: 4278 { 4279 struct sctp_authchunk *sauth; 4280 4281 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4282 4283 SCTP_INP_WLOCK(inp); 4284 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4285 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4286 error = EINVAL; 4287 } 4288 SCTP_INP_WUNLOCK(inp); 4289 break; 4290 } 4291 case SCTP_AUTH_KEY: 4292 { 4293 struct sctp_authkey *sca; 4294 struct sctp_keyhead *shared_keys; 4295 sctp_sharedkey_t *shared_key; 4296 sctp_key_t *key = NULL; 4297 size_t size; 4298 4299 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4300 if (sca->sca_keylength == 0) { 4301 size = optsize - sizeof(struct sctp_authkey); 4302 } else { 4303 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4304 size = sca->sca_keylength; 4305 } else { 4306 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4307 error = EINVAL; 4308 break; 4309 } 4310 } 4311 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4312 4313 if (stcb) { 4314 shared_keys = &stcb->asoc.shared_keys; 4315 /* clear the cached keys for this key id */ 4316 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4317 /* 4318 * create the new shared key and 4319 * insert/replace it 4320 */ 4321 if (size > 0) { 4322 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4323 if (key == NULL) { 4324 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4325 error = ENOMEM; 4326 SCTP_TCB_UNLOCK(stcb); 4327 break; 4328 } 4329 } 4330 shared_key = sctp_alloc_sharedkey(); 4331 if (shared_key == NULL) { 4332 sctp_free_key(key); 4333 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4334 error = ENOMEM; 4335 SCTP_TCB_UNLOCK(stcb); 4336 break; 4337 } 4338 shared_key->key = key; 4339 shared_key->keyid = sca->sca_keynumber; 4340 error = sctp_insert_sharedkey(shared_keys, shared_key); 4341 SCTP_TCB_UNLOCK(stcb); 4342 } else { 4343 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4344 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4345 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4346 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4347 SCTP_INP_WLOCK(inp); 4348 shared_keys = &inp->sctp_ep.shared_keys; 4349 /* 4350 * clear the cached keys on all 4351 * assocs for this key id 4352 */ 4353 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4354 /* 4355 * create the new shared key and 4356 * insert/replace it 4357 */ 4358 if (size > 0) { 4359 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4360 if (key == NULL) { 4361 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4362 error = ENOMEM; 4363 SCTP_INP_WUNLOCK(inp); 4364 break; 4365 } 4366 } 4367 shared_key = sctp_alloc_sharedkey(); 4368 if (shared_key == NULL) { 4369 sctp_free_key(key); 4370 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4371 error = ENOMEM; 4372 SCTP_INP_WUNLOCK(inp); 4373 break; 4374 } 4375 shared_key->key = key; 4376 shared_key->keyid = sca->sca_keynumber; 4377 error = sctp_insert_sharedkey(shared_keys, shared_key); 4378 SCTP_INP_WUNLOCK(inp); 4379 } 4380 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4381 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4382 SCTP_INP_RLOCK(inp); 4383 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4384 SCTP_TCB_LOCK(stcb); 4385 shared_keys = &stcb->asoc.shared_keys; 4386 /* 4387 * clear the cached keys for 4388 * this key id 4389 */ 4390 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4391 /* 4392 * create the new shared key 4393 * and insert/replace it 4394 */ 4395 if (size > 0) { 4396 key = sctp_set_key(sca->sca_key, (uint32_t) size); 4397 if (key == NULL) { 4398 SCTP_TCB_UNLOCK(stcb); 4399 continue; 4400 } 4401 } 4402 shared_key = sctp_alloc_sharedkey(); 4403 if (shared_key == NULL) { 4404 sctp_free_key(key); 4405 SCTP_TCB_UNLOCK(stcb); 4406 continue; 4407 } 4408 shared_key->key = key; 4409 shared_key->keyid = sca->sca_keynumber; 4410 error = sctp_insert_sharedkey(shared_keys, shared_key); 4411 SCTP_TCB_UNLOCK(stcb); 4412 } 4413 SCTP_INP_RUNLOCK(inp); 4414 } 4415 } 4416 break; 4417 } 4418 case SCTP_HMAC_IDENT: 4419 { 4420 struct sctp_hmacalgo *shmac; 4421 sctp_hmaclist_t *hmaclist; 4422 uint16_t hmacid; 4423 uint32_t i; 4424 4425 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4426 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4427 (shmac->shmac_number_of_idents > 0xffff)) { 4428 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4429 error = EINVAL; 4430 break; 4431 } 4432 hmaclist = sctp_alloc_hmaclist((uint16_t) shmac->shmac_number_of_idents); 4433 if (hmaclist == NULL) { 4434 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4435 error = ENOMEM; 4436 break; 4437 } 4438 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4439 hmacid = shmac->shmac_idents[i]; 4440 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4441 /* invalid HMACs were found */ ; 4442 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4443 error = EINVAL; 4444 sctp_free_hmaclist(hmaclist); 4445 goto sctp_set_hmac_done; 4446 } 4447 } 4448 for (i = 0; i < hmaclist->num_algo; i++) { 4449 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4450 /* already in list */ 4451 break; 4452 } 4453 } 4454 if (i == hmaclist->num_algo) { 4455 /* not found in list */ 4456 sctp_free_hmaclist(hmaclist); 4457 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4458 error = EINVAL; 4459 break; 4460 } 4461 /* set it on the endpoint */ 4462 SCTP_INP_WLOCK(inp); 4463 if (inp->sctp_ep.local_hmacs) 4464 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4465 inp->sctp_ep.local_hmacs = hmaclist; 4466 SCTP_INP_WUNLOCK(inp); 4467 sctp_set_hmac_done: 4468 break; 4469 } 4470 case SCTP_AUTH_ACTIVE_KEY: 4471 { 4472 struct sctp_authkeyid *scact; 4473 4474 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4475 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4476 4477 /* set the active key on the right place */ 4478 if (stcb) { 4479 /* set the active key on the assoc */ 4480 if (sctp_auth_setactivekey(stcb, 4481 scact->scact_keynumber)) { 4482 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4483 SCTP_FROM_SCTP_USRREQ, 4484 EINVAL); 4485 error = EINVAL; 4486 } 4487 SCTP_TCB_UNLOCK(stcb); 4488 } else { 4489 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4490 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4491 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4492 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4493 SCTP_INP_WLOCK(inp); 4494 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4495 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4496 error = EINVAL; 4497 } 4498 SCTP_INP_WUNLOCK(inp); 4499 } 4500 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4501 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4502 SCTP_INP_RLOCK(inp); 4503 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4504 SCTP_TCB_LOCK(stcb); 4505 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4506 SCTP_TCB_UNLOCK(stcb); 4507 } 4508 SCTP_INP_RUNLOCK(inp); 4509 } 4510 } 4511 break; 4512 } 4513 case SCTP_AUTH_DELETE_KEY: 4514 { 4515 struct sctp_authkeyid *scdel; 4516 4517 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4518 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4519 4520 /* delete the key from the right place */ 4521 if (stcb) { 4522 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4523 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4524 error = EINVAL; 4525 } 4526 SCTP_TCB_UNLOCK(stcb); 4527 } else { 4528 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4529 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4530 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4531 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4532 SCTP_INP_WLOCK(inp); 4533 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4534 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4535 error = EINVAL; 4536 } 4537 SCTP_INP_WUNLOCK(inp); 4538 } 4539 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4540 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4541 SCTP_INP_RLOCK(inp); 4542 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4543 SCTP_TCB_LOCK(stcb); 4544 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4545 SCTP_TCB_UNLOCK(stcb); 4546 } 4547 SCTP_INP_RUNLOCK(inp); 4548 } 4549 } 4550 break; 4551 } 4552 case SCTP_AUTH_DEACTIVATE_KEY: 4553 { 4554 struct sctp_authkeyid *keyid; 4555 4556 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4557 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4558 4559 /* deactivate the key from the right place */ 4560 if (stcb) { 4561 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4562 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4563 error = EINVAL; 4564 } 4565 SCTP_TCB_UNLOCK(stcb); 4566 } else { 4567 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4568 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4569 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4570 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4571 SCTP_INP_WLOCK(inp); 4572 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4573 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4574 error = EINVAL; 4575 } 4576 SCTP_INP_WUNLOCK(inp); 4577 } 4578 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4579 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4580 SCTP_INP_RLOCK(inp); 4581 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4582 SCTP_TCB_LOCK(stcb); 4583 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4584 SCTP_TCB_UNLOCK(stcb); 4585 } 4586 SCTP_INP_RUNLOCK(inp); 4587 } 4588 } 4589 break; 4590 } 4591 case SCTP_ENABLE_STREAM_RESET: 4592 { 4593 struct sctp_assoc_value *av; 4594 4595 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4596 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4597 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4598 error = EINVAL; 4599 break; 4600 } 4601 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4602 if (stcb) { 4603 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4604 SCTP_TCB_UNLOCK(stcb); 4605 } else { 4606 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4607 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4608 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4609 (av->assoc_id == SCTP_ALL_ASSOC)) { 4610 SCTP_INP_WLOCK(inp); 4611 inp->local_strreset_support = (uint8_t) av->assoc_value; 4612 SCTP_INP_WUNLOCK(inp); 4613 } 4614 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4615 (av->assoc_id == SCTP_ALL_ASSOC)) { 4616 SCTP_INP_RLOCK(inp); 4617 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4618 SCTP_TCB_LOCK(stcb); 4619 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value; 4620 SCTP_TCB_UNLOCK(stcb); 4621 } 4622 SCTP_INP_RUNLOCK(inp); 4623 } 4624 } 4625 break; 4626 } 4627 case SCTP_RESET_STREAMS: 4628 { 4629 struct sctp_reset_streams *strrst; 4630 int i, send_out = 0; 4631 int send_in = 0; 4632 4633 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4634 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4635 if (stcb == NULL) { 4636 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4637 error = ENOENT; 4638 break; 4639 } 4640 if (stcb->asoc.reconfig_supported == 0) { 4641 /* 4642 * Peer does not support the chunk type. 4643 */ 4644 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4645 error = EOPNOTSUPP; 4646 SCTP_TCB_UNLOCK(stcb); 4647 break; 4648 } 4649 if (sizeof(struct sctp_reset_streams) + 4650 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4651 error = EINVAL; 4652 SCTP_TCB_UNLOCK(stcb); 4653 break; 4654 } 4655 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4656 send_in = 1; 4657 if (stcb->asoc.stream_reset_outstanding) { 4658 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4659 error = EALREADY; 4660 SCTP_TCB_UNLOCK(stcb); 4661 break; 4662 } 4663 } 4664 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4665 send_out = 1; 4666 } 4667 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) { 4668 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4669 error = ENOMEM; 4670 SCTP_TCB_UNLOCK(stcb); 4671 break; 4672 } 4673 if ((send_in == 0) && (send_out == 0)) { 4674 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4675 error = EINVAL; 4676 SCTP_TCB_UNLOCK(stcb); 4677 break; 4678 } 4679 for (i = 0; i < strrst->srs_number_streams; i++) { 4680 if ((send_in) && 4681 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) { 4682 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4683 error = EINVAL; 4684 break; 4685 } 4686 if ((send_out) && 4687 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) { 4688 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4689 error = EINVAL; 4690 break; 4691 } 4692 } 4693 if (error) { 4694 SCTP_TCB_UNLOCK(stcb); 4695 break; 4696 } 4697 if (send_out) { 4698 int cnt; 4699 uint16_t strm; 4700 4701 if (strrst->srs_number_streams) { 4702 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) { 4703 strm = strrst->srs_stream_list[i]; 4704 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) { 4705 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING; 4706 cnt++; 4707 } 4708 } 4709 } else { 4710 /* Its all */ 4711 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) { 4712 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) { 4713 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING; 4714 cnt++; 4715 } 4716 } 4717 } 4718 } 4719 if (send_in) { 4720 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4721 strrst->srs_stream_list, 4722 send_in, 0, 0, 0, 0, 0); 4723 } else { 4724 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED); 4725 } 4726 if (error == 0) { 4727 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4728 } else { 4729 /* 4730 * For outgoing streams don't report any 4731 * problems in sending the request to the 4732 * application. XXX: Double check resetting 4733 * incoming streams. 4734 */ 4735 error = 0; 4736 } 4737 SCTP_TCB_UNLOCK(stcb); 4738 break; 4739 } 4740 case SCTP_ADD_STREAMS: 4741 { 4742 struct sctp_add_streams *stradd; 4743 uint8_t addstream = 0; 4744 uint16_t add_o_strmcnt = 0; 4745 uint16_t add_i_strmcnt = 0; 4746 4747 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4748 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4749 if (stcb == NULL) { 4750 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4751 error = ENOENT; 4752 break; 4753 } 4754 if (stcb->asoc.reconfig_supported == 0) { 4755 /* 4756 * Peer does not support the chunk type. 4757 */ 4758 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4759 error = EOPNOTSUPP; 4760 SCTP_TCB_UNLOCK(stcb); 4761 break; 4762 } 4763 if (stcb->asoc.stream_reset_outstanding) { 4764 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4765 error = EALREADY; 4766 SCTP_TCB_UNLOCK(stcb); 4767 break; 4768 } 4769 if ((stradd->sas_outstrms == 0) && 4770 (stradd->sas_instrms == 0)) { 4771 error = EINVAL; 4772 goto skip_stuff; 4773 } 4774 if (stradd->sas_outstrms) { 4775 addstream = 1; 4776 /* We allocate here */ 4777 add_o_strmcnt = stradd->sas_outstrms; 4778 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4779 /* You can't have more than 64k */ 4780 error = EINVAL; 4781 goto skip_stuff; 4782 } 4783 } 4784 if (stradd->sas_instrms) { 4785 int cnt; 4786 4787 addstream |= 2; 4788 /* 4789 * We allocate inside 4790 * sctp_send_str_reset_req() 4791 */ 4792 add_i_strmcnt = stradd->sas_instrms; 4793 cnt = add_i_strmcnt; 4794 cnt += stcb->asoc.streamincnt; 4795 if (cnt > 0x0000ffff) { 4796 /* You can't have more than 64k */ 4797 error = EINVAL; 4798 goto skip_stuff; 4799 } 4800 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4801 /* More than you are allowed */ 4802 error = EINVAL; 4803 goto skip_stuff; 4804 } 4805 } 4806 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4807 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4808 skip_stuff: 4809 SCTP_TCB_UNLOCK(stcb); 4810 break; 4811 } 4812 case SCTP_RESET_ASSOC: 4813 { 4814 int i; 4815 uint32_t *value; 4816 4817 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4818 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 4819 if (stcb == NULL) { 4820 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4821 error = ENOENT; 4822 break; 4823 } 4824 if (stcb->asoc.reconfig_supported == 0) { 4825 /* 4826 * Peer does not support the chunk type. 4827 */ 4828 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4829 error = EOPNOTSUPP; 4830 SCTP_TCB_UNLOCK(stcb); 4831 break; 4832 } 4833 if (stcb->asoc.stream_reset_outstanding) { 4834 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4835 error = EALREADY; 4836 SCTP_TCB_UNLOCK(stcb); 4837 break; 4838 } 4839 /* 4840 * Is there any data pending in the send or sent 4841 * queues? 4842 */ 4843 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) || 4844 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) { 4845 busy_out: 4846 error = EBUSY; 4847 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4848 SCTP_TCB_UNLOCK(stcb); 4849 break; 4850 } 4851 /* Do any streams have data queued? */ 4852 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4853 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) { 4854 goto busy_out; 4855 } 4856 } 4857 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0); 4858 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4859 SCTP_TCB_UNLOCK(stcb); 4860 break; 4861 } 4862 case SCTP_CONNECT_X: 4863 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4864 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4865 error = EINVAL; 4866 break; 4867 } 4868 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4869 break; 4870 case SCTP_CONNECT_X_DELAYED: 4871 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4872 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4873 error = EINVAL; 4874 break; 4875 } 4876 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4877 break; 4878 case SCTP_CONNECT_X_COMPLETE: 4879 { 4880 struct sockaddr *sa; 4881 4882 /* FIXME MT: check correct? */ 4883 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4884 4885 /* find tcb */ 4886 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4887 SCTP_INP_RLOCK(inp); 4888 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4889 if (stcb) { 4890 SCTP_TCB_LOCK(stcb); 4891 } 4892 SCTP_INP_RUNLOCK(inp); 4893 } else { 4894 /* 4895 * We increment here since 4896 * sctp_findassociation_ep_addr() wil do a 4897 * decrement if it finds the stcb as long as 4898 * the locked tcb (last argument) is NOT a 4899 * TCB.. aka NULL. 4900 */ 4901 SCTP_INP_INCR_REF(inp); 4902 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4903 if (stcb == NULL) { 4904 SCTP_INP_DECR_REF(inp); 4905 } 4906 } 4907 4908 if (stcb == NULL) { 4909 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4910 error = ENOENT; 4911 break; 4912 } 4913 if (stcb->asoc.delayed_connection == 1) { 4914 stcb->asoc.delayed_connection = 0; 4915 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4916 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4917 stcb->asoc.primary_destination, 4918 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4919 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4920 } else { 4921 /* 4922 * already expired or did not use delayed 4923 * connectx 4924 */ 4925 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4926 error = EALREADY; 4927 } 4928 SCTP_TCB_UNLOCK(stcb); 4929 break; 4930 } 4931 case SCTP_MAX_BURST: 4932 { 4933 struct sctp_assoc_value *av; 4934 4935 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4936 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4937 4938 if (stcb) { 4939 stcb->asoc.max_burst = av->assoc_value; 4940 SCTP_TCB_UNLOCK(stcb); 4941 } else { 4942 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4943 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4944 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4945 (av->assoc_id == SCTP_ALL_ASSOC)) { 4946 SCTP_INP_WLOCK(inp); 4947 inp->sctp_ep.max_burst = av->assoc_value; 4948 SCTP_INP_WUNLOCK(inp); 4949 } 4950 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4951 (av->assoc_id == SCTP_ALL_ASSOC)) { 4952 SCTP_INP_RLOCK(inp); 4953 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4954 SCTP_TCB_LOCK(stcb); 4955 stcb->asoc.max_burst = av->assoc_value; 4956 SCTP_TCB_UNLOCK(stcb); 4957 } 4958 SCTP_INP_RUNLOCK(inp); 4959 } 4960 } 4961 break; 4962 } 4963 case SCTP_MAXSEG: 4964 { 4965 struct sctp_assoc_value *av; 4966 int ovh; 4967 4968 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4969 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4970 4971 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4972 ovh = SCTP_MED_OVERHEAD; 4973 } else { 4974 ovh = SCTP_MED_V4_OVERHEAD; 4975 } 4976 if (stcb) { 4977 if (av->assoc_value) { 4978 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4979 } else { 4980 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4981 } 4982 SCTP_TCB_UNLOCK(stcb); 4983 } else { 4984 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4985 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4986 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4987 SCTP_INP_WLOCK(inp); 4988 /* 4989 * FIXME MT: I think this is not in 4990 * tune with the API ID 4991 */ 4992 if (av->assoc_value) { 4993 inp->sctp_frag_point = (av->assoc_value + ovh); 4994 } else { 4995 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4996 } 4997 SCTP_INP_WUNLOCK(inp); 4998 } else { 4999 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5000 error = EINVAL; 5001 } 5002 } 5003 break; 5004 } 5005 case SCTP_EVENTS: 5006 { 5007 struct sctp_event_subscribe *events; 5008 5009 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 5010 5011 SCTP_INP_WLOCK(inp); 5012 if (events->sctp_data_io_event) { 5013 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5014 } else { 5015 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5016 } 5017 5018 if (events->sctp_association_event) { 5019 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5020 } else { 5021 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5022 } 5023 5024 if (events->sctp_address_event) { 5025 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5026 } else { 5027 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5028 } 5029 5030 if (events->sctp_send_failure_event) { 5031 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5032 } else { 5033 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5034 } 5035 5036 if (events->sctp_peer_error_event) { 5037 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5038 } else { 5039 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5040 } 5041 5042 if (events->sctp_shutdown_event) { 5043 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5044 } else { 5045 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5046 } 5047 5048 if (events->sctp_partial_delivery_event) { 5049 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5050 } else { 5051 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5052 } 5053 5054 if (events->sctp_adaptation_layer_event) { 5055 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5056 } else { 5057 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5058 } 5059 5060 if (events->sctp_authentication_event) { 5061 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5062 } else { 5063 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5064 } 5065 5066 if (events->sctp_sender_dry_event) { 5067 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 5068 } else { 5069 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 5070 } 5071 5072 if (events->sctp_stream_reset_event) { 5073 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5074 } else { 5075 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5076 } 5077 SCTP_INP_WUNLOCK(inp); 5078 5079 SCTP_INP_RLOCK(inp); 5080 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5081 SCTP_TCB_LOCK(stcb); 5082 if (events->sctp_association_event) { 5083 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5084 } else { 5085 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5086 } 5087 if (events->sctp_address_event) { 5088 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5089 } else { 5090 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5091 } 5092 if (events->sctp_send_failure_event) { 5093 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5094 } else { 5095 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5096 } 5097 if (events->sctp_peer_error_event) { 5098 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5099 } else { 5100 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5101 } 5102 if (events->sctp_shutdown_event) { 5103 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5104 } else { 5105 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5106 } 5107 if (events->sctp_partial_delivery_event) { 5108 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5109 } else { 5110 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5111 } 5112 if (events->sctp_adaptation_layer_event) { 5113 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5114 } else { 5115 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5116 } 5117 if (events->sctp_authentication_event) { 5118 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5119 } else { 5120 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5121 } 5122 if (events->sctp_sender_dry_event) { 5123 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5124 } else { 5125 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5126 } 5127 if (events->sctp_stream_reset_event) { 5128 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5129 } else { 5130 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5131 } 5132 SCTP_TCB_UNLOCK(stcb); 5133 } 5134 /* 5135 * Send up the sender dry event only for 1-to-1 5136 * style sockets. 5137 */ 5138 if (events->sctp_sender_dry_event) { 5139 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5140 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 5141 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5142 if (stcb) { 5143 SCTP_TCB_LOCK(stcb); 5144 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5145 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5146 (stcb->asoc.stream_queue_cnt == 0)) { 5147 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5148 } 5149 SCTP_TCB_UNLOCK(stcb); 5150 } 5151 } 5152 } 5153 SCTP_INP_RUNLOCK(inp); 5154 break; 5155 } 5156 case SCTP_ADAPTATION_LAYER: 5157 { 5158 struct sctp_setadaptation *adap_bits; 5159 5160 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5161 SCTP_INP_WLOCK(inp); 5162 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5163 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5164 SCTP_INP_WUNLOCK(inp); 5165 break; 5166 } 5167 #ifdef SCTP_DEBUG 5168 case SCTP_SET_INITIAL_DBG_SEQ: 5169 { 5170 uint32_t *vvv; 5171 5172 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5173 SCTP_INP_WLOCK(inp); 5174 inp->sctp_ep.initial_sequence_debug = *vvv; 5175 SCTP_INP_WUNLOCK(inp); 5176 break; 5177 } 5178 #endif 5179 case SCTP_DEFAULT_SEND_PARAM: 5180 { 5181 struct sctp_sndrcvinfo *s_info; 5182 5183 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5184 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5185 5186 if (stcb) { 5187 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5188 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5189 } else { 5190 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5191 error = EINVAL; 5192 } 5193 SCTP_TCB_UNLOCK(stcb); 5194 } else { 5195 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5196 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5197 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5198 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5199 SCTP_INP_WLOCK(inp); 5200 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5201 SCTP_INP_WUNLOCK(inp); 5202 } 5203 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5204 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5205 SCTP_INP_RLOCK(inp); 5206 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5207 SCTP_TCB_LOCK(stcb); 5208 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5209 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5210 } 5211 SCTP_TCB_UNLOCK(stcb); 5212 } 5213 SCTP_INP_RUNLOCK(inp); 5214 } 5215 } 5216 break; 5217 } 5218 case SCTP_PEER_ADDR_PARAMS: 5219 { 5220 struct sctp_paddrparams *paddrp; 5221 struct sctp_nets *net; 5222 struct sockaddr *addr; 5223 5224 #if defined(INET) && defined(INET6) 5225 struct sockaddr_in sin_store; 5226 5227 #endif 5228 5229 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5230 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5231 5232 #if defined(INET) && defined(INET6) 5233 if (paddrp->spp_address.ss_family == AF_INET6) { 5234 struct sockaddr_in6 *sin6; 5235 5236 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5237 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5238 in6_sin6_2_sin(&sin_store, sin6); 5239 addr = (struct sockaddr *)&sin_store; 5240 } else { 5241 addr = (struct sockaddr *)&paddrp->spp_address; 5242 } 5243 } else { 5244 addr = (struct sockaddr *)&paddrp->spp_address; 5245 } 5246 #else 5247 addr = (struct sockaddr *)&paddrp->spp_address; 5248 #endif 5249 if (stcb != NULL) { 5250 net = sctp_findnet(stcb, addr); 5251 } else { 5252 /* 5253 * We increment here since 5254 * sctp_findassociation_ep_addr() wil do a 5255 * decrement if it finds the stcb as long as 5256 * the locked tcb (last argument) is NOT a 5257 * TCB.. aka NULL. 5258 */ 5259 net = NULL; 5260 SCTP_INP_INCR_REF(inp); 5261 stcb = sctp_findassociation_ep_addr(&inp, addr, 5262 &net, NULL, NULL); 5263 if (stcb == NULL) { 5264 SCTP_INP_DECR_REF(inp); 5265 } 5266 } 5267 if ((stcb != NULL) && (net == NULL)) { 5268 #ifdef INET 5269 if (addr->sa_family == AF_INET) { 5270 5271 struct sockaddr_in *sin; 5272 5273 sin = (struct sockaddr_in *)addr; 5274 if (sin->sin_addr.s_addr != INADDR_ANY) { 5275 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5276 SCTP_TCB_UNLOCK(stcb); 5277 error = EINVAL; 5278 break; 5279 } 5280 } else 5281 #endif 5282 #ifdef INET6 5283 if (addr->sa_family == AF_INET6) { 5284 struct sockaddr_in6 *sin6; 5285 5286 sin6 = (struct sockaddr_in6 *)addr; 5287 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5288 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5289 SCTP_TCB_UNLOCK(stcb); 5290 error = EINVAL; 5291 break; 5292 } 5293 } else 5294 #endif 5295 { 5296 error = EAFNOSUPPORT; 5297 SCTP_TCB_UNLOCK(stcb); 5298 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5299 break; 5300 } 5301 } 5302 /* sanity checks */ 5303 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5304 if (stcb) 5305 SCTP_TCB_UNLOCK(stcb); 5306 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5307 return (EINVAL); 5308 } 5309 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5310 if (stcb) 5311 SCTP_TCB_UNLOCK(stcb); 5312 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5313 return (EINVAL); 5314 } 5315 if (stcb != NULL) { 5316 /************************TCB SPECIFIC SET ******************/ 5317 if (net != NULL) { 5318 /************************NET SPECIFIC SET ******************/ 5319 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5320 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5321 !(net->dest_state & SCTP_ADDR_NOHB)) { 5322 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5323 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5324 } 5325 net->dest_state |= SCTP_ADDR_NOHB; 5326 } 5327 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5328 if (paddrp->spp_hbinterval) { 5329 net->heart_beat_delay = paddrp->spp_hbinterval; 5330 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5331 net->heart_beat_delay = 0; 5332 } 5333 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5334 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5335 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5336 net->dest_state &= ~SCTP_ADDR_NOHB; 5337 } 5338 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5339 /* on demand HB */ 5340 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5341 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5342 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5343 } 5344 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5345 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5346 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5347 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5348 } 5349 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5350 net->mtu = paddrp->spp_pathmtu; 5351 switch (net->ro._l_addr.sa.sa_family) { 5352 #ifdef INET 5353 case AF_INET: 5354 net->mtu += SCTP_MIN_V4_OVERHEAD; 5355 break; 5356 #endif 5357 #ifdef INET6 5358 case AF_INET6: 5359 net->mtu += SCTP_MIN_OVERHEAD; 5360 break; 5361 #endif 5362 default: 5363 break; 5364 } 5365 if (net->mtu < stcb->asoc.smallest_mtu) { 5366 sctp_pathmtu_adjustment(stcb, net->mtu); 5367 } 5368 } 5369 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5370 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5371 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5372 } 5373 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5374 } 5375 if (paddrp->spp_pathmaxrxt) { 5376 if (net->dest_state & SCTP_ADDR_PF) { 5377 if (net->error_count > paddrp->spp_pathmaxrxt) { 5378 net->dest_state &= ~SCTP_ADDR_PF; 5379 } 5380 } else { 5381 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5382 (net->error_count > net->pf_threshold)) { 5383 net->dest_state |= SCTP_ADDR_PF; 5384 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5385 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5386 stcb->sctp_ep, stcb, net, 5387 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5388 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5389 } 5390 } 5391 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5392 if (net->error_count > paddrp->spp_pathmaxrxt) { 5393 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5394 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5395 } 5396 } else { 5397 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5398 net->dest_state |= SCTP_ADDR_REACHABLE; 5399 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5400 } 5401 } 5402 net->failure_threshold = paddrp->spp_pathmaxrxt; 5403 } 5404 if (paddrp->spp_flags & SPP_DSCP) { 5405 net->dscp = paddrp->spp_dscp & 0xfc; 5406 net->dscp |= 0x01; 5407 } 5408 #ifdef INET6 5409 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5410 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5411 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5412 net->flowlabel |= 0x80000000; 5413 } 5414 } 5415 #endif 5416 } else { 5417 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5418 if (paddrp->spp_pathmaxrxt != 0) { 5419 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5420 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5421 if (net->dest_state & SCTP_ADDR_PF) { 5422 if (net->error_count > paddrp->spp_pathmaxrxt) { 5423 net->dest_state &= ~SCTP_ADDR_PF; 5424 } 5425 } else { 5426 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5427 (net->error_count > net->pf_threshold)) { 5428 net->dest_state |= SCTP_ADDR_PF; 5429 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5430 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5431 stcb->sctp_ep, stcb, net, 5432 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5433 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5434 } 5435 } 5436 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5437 if (net->error_count > paddrp->spp_pathmaxrxt) { 5438 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5439 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5440 } 5441 } else { 5442 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5443 net->dest_state |= SCTP_ADDR_REACHABLE; 5444 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5445 } 5446 } 5447 net->failure_threshold = paddrp->spp_pathmaxrxt; 5448 } 5449 } 5450 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5451 if (paddrp->spp_hbinterval != 0) { 5452 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5453 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5454 stcb->asoc.heart_beat_delay = 0; 5455 } 5456 /* Turn back on the timer */ 5457 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5458 if (paddrp->spp_hbinterval != 0) { 5459 net->heart_beat_delay = paddrp->spp_hbinterval; 5460 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5461 net->heart_beat_delay = 0; 5462 } 5463 if (net->dest_state & SCTP_ADDR_NOHB) { 5464 net->dest_state &= ~SCTP_ADDR_NOHB; 5465 } 5466 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5467 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5468 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5469 } 5470 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5471 } 5472 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5473 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5474 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5475 net->dest_state |= SCTP_ADDR_NOHB; 5476 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5477 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5478 inp, stcb, net, 5479 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5480 } 5481 } 5482 } 5483 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5484 } 5485 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5486 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5487 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5488 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5489 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5490 } 5491 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5492 net->mtu = paddrp->spp_pathmtu; 5493 switch (net->ro._l_addr.sa.sa_family) { 5494 #ifdef INET 5495 case AF_INET: 5496 net->mtu += SCTP_MIN_V4_OVERHEAD; 5497 break; 5498 #endif 5499 #ifdef INET6 5500 case AF_INET6: 5501 net->mtu += SCTP_MIN_OVERHEAD; 5502 break; 5503 #endif 5504 default: 5505 break; 5506 } 5507 if (net->mtu < stcb->asoc.smallest_mtu) { 5508 sctp_pathmtu_adjustment(stcb, net->mtu); 5509 } 5510 } 5511 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5512 } 5513 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5514 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5515 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5516 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5517 } 5518 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5519 } 5520 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5521 } 5522 if (paddrp->spp_flags & SPP_DSCP) { 5523 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5524 net->dscp = paddrp->spp_dscp & 0xfc; 5525 net->dscp |= 0x01; 5526 } 5527 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5528 stcb->asoc.default_dscp |= 0x01; 5529 } 5530 #ifdef INET6 5531 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5532 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5533 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5534 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5535 net->flowlabel |= 0x80000000; 5536 } 5537 } 5538 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5539 stcb->asoc.default_flowlabel |= 0x80000000; 5540 } 5541 #endif 5542 } 5543 SCTP_TCB_UNLOCK(stcb); 5544 } else { 5545 /************************NO TCB, SET TO default stuff ******************/ 5546 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5547 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5548 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 5549 SCTP_INP_WLOCK(inp); 5550 /* 5551 * For the TOS/FLOWLABEL stuff you 5552 * set it with the options on the 5553 * socket 5554 */ 5555 if (paddrp->spp_pathmaxrxt != 0) { 5556 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5557 } 5558 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5559 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5560 else if (paddrp->spp_hbinterval != 0) { 5561 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5562 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5563 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5564 } 5565 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5566 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5567 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5568 } else if (paddrp->spp_hbinterval) { 5569 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5570 } 5571 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5572 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5573 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5574 } 5575 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5576 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5577 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5578 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5579 } 5580 if (paddrp->spp_flags & SPP_DSCP) { 5581 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5582 inp->sctp_ep.default_dscp |= 0x01; 5583 } 5584 #ifdef INET6 5585 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5586 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5587 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5588 inp->sctp_ep.default_flowlabel |= 0x80000000; 5589 } 5590 } 5591 #endif 5592 SCTP_INP_WUNLOCK(inp); 5593 } else { 5594 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5595 error = EINVAL; 5596 } 5597 } 5598 break; 5599 } 5600 case SCTP_RTOINFO: 5601 { 5602 struct sctp_rtoinfo *srto; 5603 uint32_t new_init, new_min, new_max; 5604 5605 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5606 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5607 5608 if (stcb) { 5609 if (srto->srto_initial) 5610 new_init = srto->srto_initial; 5611 else 5612 new_init = stcb->asoc.initial_rto; 5613 if (srto->srto_max) 5614 new_max = srto->srto_max; 5615 else 5616 new_max = stcb->asoc.maxrto; 5617 if (srto->srto_min) 5618 new_min = srto->srto_min; 5619 else 5620 new_min = stcb->asoc.minrto; 5621 if ((new_min <= new_init) && (new_init <= new_max)) { 5622 stcb->asoc.initial_rto = new_init; 5623 stcb->asoc.maxrto = new_max; 5624 stcb->asoc.minrto = new_min; 5625 } else { 5626 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5627 error = EINVAL; 5628 } 5629 SCTP_TCB_UNLOCK(stcb); 5630 } else { 5631 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5632 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5633 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5634 SCTP_INP_WLOCK(inp); 5635 if (srto->srto_initial) 5636 new_init = srto->srto_initial; 5637 else 5638 new_init = inp->sctp_ep.initial_rto; 5639 if (srto->srto_max) 5640 new_max = srto->srto_max; 5641 else 5642 new_max = inp->sctp_ep.sctp_maxrto; 5643 if (srto->srto_min) 5644 new_min = srto->srto_min; 5645 else 5646 new_min = inp->sctp_ep.sctp_minrto; 5647 if ((new_min <= new_init) && (new_init <= new_max)) { 5648 inp->sctp_ep.initial_rto = new_init; 5649 inp->sctp_ep.sctp_maxrto = new_max; 5650 inp->sctp_ep.sctp_minrto = new_min; 5651 } else { 5652 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5653 error = EINVAL; 5654 } 5655 SCTP_INP_WUNLOCK(inp); 5656 } else { 5657 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5658 error = EINVAL; 5659 } 5660 } 5661 break; 5662 } 5663 case SCTP_ASSOCINFO: 5664 { 5665 struct sctp_assocparams *sasoc; 5666 5667 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5668 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5669 if (sasoc->sasoc_cookie_life) { 5670 /* boundary check the cookie life */ 5671 if (sasoc->sasoc_cookie_life < 1000) 5672 sasoc->sasoc_cookie_life = 1000; 5673 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5674 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5675 } 5676 } 5677 if (stcb) { 5678 if (sasoc->sasoc_asocmaxrxt) 5679 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5680 if (sasoc->sasoc_cookie_life) { 5681 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5682 } 5683 SCTP_TCB_UNLOCK(stcb); 5684 } else { 5685 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5686 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5687 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5688 SCTP_INP_WLOCK(inp); 5689 if (sasoc->sasoc_asocmaxrxt) 5690 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5691 if (sasoc->sasoc_cookie_life) { 5692 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5693 } 5694 SCTP_INP_WUNLOCK(inp); 5695 } else { 5696 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5697 error = EINVAL; 5698 } 5699 } 5700 break; 5701 } 5702 case SCTP_INITMSG: 5703 { 5704 struct sctp_initmsg *sinit; 5705 5706 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5707 SCTP_INP_WLOCK(inp); 5708 if (sinit->sinit_num_ostreams) 5709 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5710 5711 if (sinit->sinit_max_instreams) 5712 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5713 5714 if (sinit->sinit_max_attempts) 5715 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5716 5717 if (sinit->sinit_max_init_timeo) 5718 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5719 SCTP_INP_WUNLOCK(inp); 5720 break; 5721 } 5722 case SCTP_PRIMARY_ADDR: 5723 { 5724 struct sctp_setprim *spa; 5725 struct sctp_nets *net; 5726 struct sockaddr *addr; 5727 5728 #if defined(INET) && defined(INET6) 5729 struct sockaddr_in sin_store; 5730 5731 #endif 5732 5733 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5734 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5735 5736 #if defined(INET) && defined(INET6) 5737 if (spa->ssp_addr.ss_family == AF_INET6) { 5738 struct sockaddr_in6 *sin6; 5739 5740 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5741 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5742 in6_sin6_2_sin(&sin_store, sin6); 5743 addr = (struct sockaddr *)&sin_store; 5744 } else { 5745 addr = (struct sockaddr *)&spa->ssp_addr; 5746 } 5747 } else { 5748 addr = (struct sockaddr *)&spa->ssp_addr; 5749 } 5750 #else 5751 addr = (struct sockaddr *)&spa->ssp_addr; 5752 #endif 5753 if (stcb != NULL) { 5754 net = sctp_findnet(stcb, addr); 5755 } else { 5756 /* 5757 * We increment here since 5758 * sctp_findassociation_ep_addr() wil do a 5759 * decrement if it finds the stcb as long as 5760 * the locked tcb (last argument) is NOT a 5761 * TCB.. aka NULL. 5762 */ 5763 net = NULL; 5764 SCTP_INP_INCR_REF(inp); 5765 stcb = sctp_findassociation_ep_addr(&inp, addr, 5766 &net, NULL, NULL); 5767 if (stcb == NULL) { 5768 SCTP_INP_DECR_REF(inp); 5769 } 5770 } 5771 5772 if ((stcb != NULL) && (net != NULL)) { 5773 if (net != stcb->asoc.primary_destination) { 5774 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5775 /* Ok we need to set it */ 5776 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5777 if ((stcb->asoc.alternate) && 5778 (!(net->dest_state & SCTP_ADDR_PF)) && 5779 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5780 sctp_free_remote_addr(stcb->asoc.alternate); 5781 stcb->asoc.alternate = NULL; 5782 } 5783 } else { 5784 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5785 error = EINVAL; 5786 } 5787 } else { 5788 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5789 error = EINVAL; 5790 } 5791 } 5792 } else { 5793 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5794 error = EINVAL; 5795 } 5796 if (stcb != NULL) { 5797 SCTP_TCB_UNLOCK(stcb); 5798 } 5799 break; 5800 } 5801 case SCTP_SET_DYNAMIC_PRIMARY: 5802 { 5803 union sctp_sockstore *ss; 5804 5805 error = priv_check(curthread, 5806 PRIV_NETINET_RESERVEDPORT); 5807 if (error) 5808 break; 5809 5810 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5811 /* SUPER USER CHECK? */ 5812 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5813 break; 5814 } 5815 case SCTP_SET_PEER_PRIMARY_ADDR: 5816 { 5817 struct sctp_setpeerprim *sspp; 5818 struct sockaddr *addr; 5819 5820 #if defined(INET) && defined(INET6) 5821 struct sockaddr_in sin_store; 5822 5823 #endif 5824 5825 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5826 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5827 if (stcb != NULL) { 5828 struct sctp_ifa *ifa; 5829 5830 #if defined(INET) && defined(INET6) 5831 if (sspp->sspp_addr.ss_family == AF_INET6) { 5832 struct sockaddr_in6 *sin6; 5833 5834 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5835 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5836 in6_sin6_2_sin(&sin_store, sin6); 5837 addr = (struct sockaddr *)&sin_store; 5838 } else { 5839 addr = (struct sockaddr *)&sspp->sspp_addr; 5840 } 5841 } else { 5842 addr = (struct sockaddr *)&sspp->sspp_addr; 5843 } 5844 #else 5845 addr = (struct sockaddr *)&sspp->sspp_addr; 5846 #endif 5847 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5848 if (ifa == NULL) { 5849 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5850 error = EINVAL; 5851 goto out_of_it; 5852 } 5853 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5854 /* 5855 * Must validate the ifa found is in 5856 * our ep 5857 */ 5858 struct sctp_laddr *laddr; 5859 int found = 0; 5860 5861 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5862 if (laddr->ifa == NULL) { 5863 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5864 __func__); 5865 continue; 5866 } 5867 if ((sctp_is_addr_restricted(stcb, laddr->ifa)) && 5868 (!sctp_is_addr_pending(stcb, laddr->ifa))) { 5869 continue; 5870 } 5871 if (laddr->ifa == ifa) { 5872 found = 1; 5873 break; 5874 } 5875 } 5876 if (!found) { 5877 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5878 error = EINVAL; 5879 goto out_of_it; 5880 } 5881 } else { 5882 switch (addr->sa_family) { 5883 #ifdef INET 5884 case AF_INET: 5885 { 5886 struct sockaddr_in *sin; 5887 5888 sin = (struct sockaddr_in *)addr; 5889 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5890 &sin->sin_addr) != 0) { 5891 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5892 error = EINVAL; 5893 goto out_of_it; 5894 } 5895 break; 5896 } 5897 #endif 5898 #ifdef INET6 5899 case AF_INET6: 5900 { 5901 struct sockaddr_in6 *sin6; 5902 5903 sin6 = (struct sockaddr_in6 *)addr; 5904 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5905 &sin6->sin6_addr) != 0) { 5906 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5907 error = EINVAL; 5908 goto out_of_it; 5909 } 5910 break; 5911 } 5912 #endif 5913 default: 5914 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5915 error = EINVAL; 5916 goto out_of_it; 5917 } 5918 } 5919 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5920 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5921 error = EINVAL; 5922 } 5923 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5924 out_of_it: 5925 SCTP_TCB_UNLOCK(stcb); 5926 } else { 5927 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5928 error = EINVAL; 5929 } 5930 break; 5931 } 5932 case SCTP_BINDX_ADD_ADDR: 5933 { 5934 struct sctp_getaddresses *addrs; 5935 struct thread *td; 5936 5937 td = (struct thread *)p; 5938 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5939 optsize); 5940 #ifdef INET 5941 if (addrs->addr->sa_family == AF_INET) { 5942 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5943 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5944 error = EINVAL; 5945 break; 5946 } 5947 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5948 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5949 break; 5950 } 5951 } else 5952 #endif 5953 #ifdef INET6 5954 if (addrs->addr->sa_family == AF_INET6) { 5955 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5956 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5957 error = EINVAL; 5958 break; 5959 } 5960 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5961 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5962 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5963 break; 5964 } 5965 } else 5966 #endif 5967 { 5968 error = EAFNOSUPPORT; 5969 break; 5970 } 5971 sctp_bindx_add_address(so, inp, addrs->addr, 5972 addrs->sget_assoc_id, vrf_id, 5973 &error, p); 5974 break; 5975 } 5976 case SCTP_BINDX_REM_ADDR: 5977 { 5978 struct sctp_getaddresses *addrs; 5979 struct thread *td; 5980 5981 td = (struct thread *)p; 5982 5983 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5984 #ifdef INET 5985 if (addrs->addr->sa_family == AF_INET) { 5986 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5987 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5988 error = EINVAL; 5989 break; 5990 } 5991 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5992 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5993 break; 5994 } 5995 } else 5996 #endif 5997 #ifdef INET6 5998 if (addrs->addr->sa_family == AF_INET6) { 5999 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 6000 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6001 error = EINVAL; 6002 break; 6003 } 6004 if (td != NULL && 6005 (error = prison_local_ip6(td->td_ucred, 6006 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 6007 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 6008 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6009 break; 6010 } 6011 } else 6012 #endif 6013 { 6014 error = EAFNOSUPPORT; 6015 break; 6016 } 6017 sctp_bindx_delete_address(inp, addrs->addr, 6018 addrs->sget_assoc_id, vrf_id, 6019 &error); 6020 break; 6021 } 6022 case SCTP_EVENT: 6023 { 6024 struct sctp_event *event; 6025 uint32_t event_type; 6026 6027 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 6028 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 6029 switch (event->se_type) { 6030 case SCTP_ASSOC_CHANGE: 6031 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 6032 break; 6033 case SCTP_PEER_ADDR_CHANGE: 6034 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 6035 break; 6036 case SCTP_REMOTE_ERROR: 6037 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 6038 break; 6039 case SCTP_SEND_FAILED: 6040 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 6041 break; 6042 case SCTP_SHUTDOWN_EVENT: 6043 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 6044 break; 6045 case SCTP_ADAPTATION_INDICATION: 6046 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 6047 break; 6048 case SCTP_PARTIAL_DELIVERY_EVENT: 6049 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 6050 break; 6051 case SCTP_AUTHENTICATION_EVENT: 6052 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 6053 break; 6054 case SCTP_STREAM_RESET_EVENT: 6055 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 6056 break; 6057 case SCTP_SENDER_DRY_EVENT: 6058 event_type = SCTP_PCB_FLAGS_DRYEVNT; 6059 break; 6060 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 6061 event_type = 0; 6062 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6063 error = ENOTSUP; 6064 break; 6065 case SCTP_ASSOC_RESET_EVENT: 6066 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 6067 break; 6068 case SCTP_STREAM_CHANGE_EVENT: 6069 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 6070 break; 6071 case SCTP_SEND_FAILED_EVENT: 6072 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 6073 break; 6074 default: 6075 event_type = 0; 6076 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6077 error = EINVAL; 6078 break; 6079 } 6080 if (event_type > 0) { 6081 if (stcb) { 6082 if (event->se_on) { 6083 sctp_stcb_feature_on(inp, stcb, event_type); 6084 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 6085 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 6086 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 6087 (stcb->asoc.stream_queue_cnt == 0)) { 6088 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 6089 } 6090 } 6091 } else { 6092 sctp_stcb_feature_off(inp, stcb, event_type); 6093 } 6094 SCTP_TCB_UNLOCK(stcb); 6095 } else { 6096 /* 6097 * We don't want to send up a storm 6098 * of events, so return an error for 6099 * sender dry events 6100 */ 6101 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 6102 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 6103 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 6104 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 6105 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 6106 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6107 error = ENOTSUP; 6108 break; 6109 } 6110 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6111 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6112 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 6113 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6114 SCTP_INP_WLOCK(inp); 6115 if (event->se_on) { 6116 sctp_feature_on(inp, event_type); 6117 } else { 6118 sctp_feature_off(inp, event_type); 6119 } 6120 SCTP_INP_WUNLOCK(inp); 6121 } 6122 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 6123 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6124 SCTP_INP_RLOCK(inp); 6125 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6126 SCTP_TCB_LOCK(stcb); 6127 if (event->se_on) { 6128 sctp_stcb_feature_on(inp, stcb, event_type); 6129 } else { 6130 sctp_stcb_feature_off(inp, stcb, event_type); 6131 } 6132 SCTP_TCB_UNLOCK(stcb); 6133 } 6134 SCTP_INP_RUNLOCK(inp); 6135 } 6136 } 6137 } 6138 break; 6139 } 6140 case SCTP_RECVRCVINFO: 6141 { 6142 int *onoff; 6143 6144 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6145 SCTP_INP_WLOCK(inp); 6146 if (*onoff != 0) { 6147 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6148 } else { 6149 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6150 } 6151 SCTP_INP_WUNLOCK(inp); 6152 break; 6153 } 6154 case SCTP_RECVNXTINFO: 6155 { 6156 int *onoff; 6157 6158 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6159 SCTP_INP_WLOCK(inp); 6160 if (*onoff != 0) { 6161 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6162 } else { 6163 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6164 } 6165 SCTP_INP_WUNLOCK(inp); 6166 break; 6167 } 6168 case SCTP_DEFAULT_SNDINFO: 6169 { 6170 struct sctp_sndinfo *info; 6171 uint16_t policy; 6172 6173 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6174 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6175 6176 if (stcb) { 6177 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6178 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6179 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6180 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6181 stcb->asoc.def_send.sinfo_flags |= policy; 6182 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6183 stcb->asoc.def_send.sinfo_context = info->snd_context; 6184 } else { 6185 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6186 error = EINVAL; 6187 } 6188 SCTP_TCB_UNLOCK(stcb); 6189 } else { 6190 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6191 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6192 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6193 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6194 SCTP_INP_WLOCK(inp); 6195 inp->def_send.sinfo_stream = info->snd_sid; 6196 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6197 inp->def_send.sinfo_flags = info->snd_flags; 6198 inp->def_send.sinfo_flags |= policy; 6199 inp->def_send.sinfo_ppid = info->snd_ppid; 6200 inp->def_send.sinfo_context = info->snd_context; 6201 SCTP_INP_WUNLOCK(inp); 6202 } 6203 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6204 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6205 SCTP_INP_RLOCK(inp); 6206 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6207 SCTP_TCB_LOCK(stcb); 6208 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6209 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6210 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6211 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6212 stcb->asoc.def_send.sinfo_flags |= policy; 6213 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6214 stcb->asoc.def_send.sinfo_context = info->snd_context; 6215 } 6216 SCTP_TCB_UNLOCK(stcb); 6217 } 6218 SCTP_INP_RUNLOCK(inp); 6219 } 6220 } 6221 break; 6222 } 6223 case SCTP_DEFAULT_PRINFO: 6224 { 6225 struct sctp_default_prinfo *info; 6226 6227 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6228 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6229 6230 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6231 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6232 error = EINVAL; 6233 break; 6234 } 6235 if (stcb) { 6236 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6237 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6238 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6239 SCTP_TCB_UNLOCK(stcb); 6240 } else { 6241 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6242 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6243 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6244 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6245 SCTP_INP_WLOCK(inp); 6246 inp->def_send.sinfo_flags &= 0xfff0; 6247 inp->def_send.sinfo_flags |= info->pr_policy; 6248 inp->def_send.sinfo_timetolive = info->pr_value; 6249 SCTP_INP_WUNLOCK(inp); 6250 } 6251 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6252 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6253 SCTP_INP_RLOCK(inp); 6254 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6255 SCTP_TCB_LOCK(stcb); 6256 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6257 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6258 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6259 SCTP_TCB_UNLOCK(stcb); 6260 } 6261 SCTP_INP_RUNLOCK(inp); 6262 } 6263 } 6264 break; 6265 } 6266 case SCTP_PEER_ADDR_THLDS: 6267 /* Applies to the specific association */ 6268 { 6269 struct sctp_paddrthlds *thlds; 6270 struct sctp_nets *net; 6271 struct sockaddr *addr; 6272 6273 #if defined(INET) && defined(INET6) 6274 struct sockaddr_in sin_store; 6275 6276 #endif 6277 6278 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6279 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6280 6281 #if defined(INET) && defined(INET6) 6282 if (thlds->spt_address.ss_family == AF_INET6) { 6283 struct sockaddr_in6 *sin6; 6284 6285 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6286 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6287 in6_sin6_2_sin(&sin_store, sin6); 6288 addr = (struct sockaddr *)&sin_store; 6289 } else { 6290 addr = (struct sockaddr *)&thlds->spt_address; 6291 } 6292 } else { 6293 addr = (struct sockaddr *)&thlds->spt_address; 6294 } 6295 #else 6296 addr = (struct sockaddr *)&thlds->spt_address; 6297 #endif 6298 if (stcb != NULL) { 6299 net = sctp_findnet(stcb, addr); 6300 } else { 6301 /* 6302 * We increment here since 6303 * sctp_findassociation_ep_addr() wil do a 6304 * decrement if it finds the stcb as long as 6305 * the locked tcb (last argument) is NOT a 6306 * TCB.. aka NULL. 6307 */ 6308 net = NULL; 6309 SCTP_INP_INCR_REF(inp); 6310 stcb = sctp_findassociation_ep_addr(&inp, addr, 6311 &net, NULL, NULL); 6312 if (stcb == NULL) { 6313 SCTP_INP_DECR_REF(inp); 6314 } 6315 } 6316 if ((stcb != NULL) && (net == NULL)) { 6317 #ifdef INET 6318 if (addr->sa_family == AF_INET) { 6319 6320 struct sockaddr_in *sin; 6321 6322 sin = (struct sockaddr_in *)addr; 6323 if (sin->sin_addr.s_addr != INADDR_ANY) { 6324 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6325 SCTP_TCB_UNLOCK(stcb); 6326 error = EINVAL; 6327 break; 6328 } 6329 } else 6330 #endif 6331 #ifdef INET6 6332 if (addr->sa_family == AF_INET6) { 6333 struct sockaddr_in6 *sin6; 6334 6335 sin6 = (struct sockaddr_in6 *)addr; 6336 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6337 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6338 SCTP_TCB_UNLOCK(stcb); 6339 error = EINVAL; 6340 break; 6341 } 6342 } else 6343 #endif 6344 { 6345 error = EAFNOSUPPORT; 6346 SCTP_TCB_UNLOCK(stcb); 6347 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6348 break; 6349 } 6350 } 6351 if (thlds->spt_pathcpthld != 0xffff) { 6352 error = EINVAL; 6353 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6354 break; 6355 } 6356 if (stcb != NULL) { 6357 if (net != NULL) { 6358 net->failure_threshold = thlds->spt_pathmaxrxt; 6359 net->pf_threshold = thlds->spt_pathpfthld; 6360 if (net->dest_state & SCTP_ADDR_PF) { 6361 if ((net->error_count > net->failure_threshold) || 6362 (net->error_count <= net->pf_threshold)) { 6363 net->dest_state &= ~SCTP_ADDR_PF; 6364 } 6365 } else { 6366 if ((net->error_count > net->pf_threshold) && 6367 (net->error_count <= net->failure_threshold)) { 6368 net->dest_state |= SCTP_ADDR_PF; 6369 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6370 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6371 stcb->sctp_ep, stcb, net, 6372 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); 6373 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6374 } 6375 } 6376 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6377 if (net->error_count > net->failure_threshold) { 6378 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6379 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6380 } 6381 } else { 6382 if (net->error_count <= net->failure_threshold) { 6383 net->dest_state |= SCTP_ADDR_REACHABLE; 6384 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6385 } 6386 } 6387 } else { 6388 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6389 net->failure_threshold = thlds->spt_pathmaxrxt; 6390 net->pf_threshold = thlds->spt_pathpfthld; 6391 if (net->dest_state & SCTP_ADDR_PF) { 6392 if ((net->error_count > net->failure_threshold) || 6393 (net->error_count <= net->pf_threshold)) { 6394 net->dest_state &= ~SCTP_ADDR_PF; 6395 } 6396 } else { 6397 if ((net->error_count > net->pf_threshold) && 6398 (net->error_count <= net->failure_threshold)) { 6399 net->dest_state |= SCTP_ADDR_PF; 6400 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6401 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6402 stcb->sctp_ep, stcb, net, 6403 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6404 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6405 } 6406 } 6407 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6408 if (net->error_count > net->failure_threshold) { 6409 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6410 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6411 } 6412 } else { 6413 if (net->error_count <= net->failure_threshold) { 6414 net->dest_state |= SCTP_ADDR_REACHABLE; 6415 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6416 } 6417 } 6418 } 6419 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6420 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6421 } 6422 SCTP_TCB_UNLOCK(stcb); 6423 } else { 6424 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6425 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6426 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 6427 SCTP_INP_WLOCK(inp); 6428 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6429 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6430 SCTP_INP_WUNLOCK(inp); 6431 } else { 6432 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6433 error = EINVAL; 6434 } 6435 } 6436 break; 6437 } 6438 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6439 { 6440 struct sctp_udpencaps *encaps; 6441 struct sctp_nets *net; 6442 struct sockaddr *addr; 6443 6444 #if defined(INET) && defined(INET6) 6445 struct sockaddr_in sin_store; 6446 6447 #endif 6448 6449 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6450 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6451 6452 #if defined(INET) && defined(INET6) 6453 if (encaps->sue_address.ss_family == AF_INET6) { 6454 struct sockaddr_in6 *sin6; 6455 6456 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6457 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6458 in6_sin6_2_sin(&sin_store, sin6); 6459 addr = (struct sockaddr *)&sin_store; 6460 } else { 6461 addr = (struct sockaddr *)&encaps->sue_address; 6462 } 6463 } else { 6464 addr = (struct sockaddr *)&encaps->sue_address; 6465 } 6466 #else 6467 addr = (struct sockaddr *)&encaps->sue_address; 6468 #endif 6469 if (stcb != NULL) { 6470 net = sctp_findnet(stcb, addr); 6471 } else { 6472 /* 6473 * We increment here since 6474 * sctp_findassociation_ep_addr() wil do a 6475 * decrement if it finds the stcb as long as 6476 * the locked tcb (last argument) is NOT a 6477 * TCB.. aka NULL. 6478 */ 6479 net = NULL; 6480 SCTP_INP_INCR_REF(inp); 6481 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6482 if (stcb == NULL) { 6483 SCTP_INP_DECR_REF(inp); 6484 } 6485 } 6486 if ((stcb != NULL) && (net == NULL)) { 6487 #ifdef INET 6488 if (addr->sa_family == AF_INET) { 6489 6490 struct sockaddr_in *sin; 6491 6492 sin = (struct sockaddr_in *)addr; 6493 if (sin->sin_addr.s_addr != INADDR_ANY) { 6494 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6495 SCTP_TCB_UNLOCK(stcb); 6496 error = EINVAL; 6497 break; 6498 } 6499 } else 6500 #endif 6501 #ifdef INET6 6502 if (addr->sa_family == AF_INET6) { 6503 struct sockaddr_in6 *sin6; 6504 6505 sin6 = (struct sockaddr_in6 *)addr; 6506 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6507 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6508 SCTP_TCB_UNLOCK(stcb); 6509 error = EINVAL; 6510 break; 6511 } 6512 } else 6513 #endif 6514 { 6515 error = EAFNOSUPPORT; 6516 SCTP_TCB_UNLOCK(stcb); 6517 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6518 break; 6519 } 6520 } 6521 if (stcb != NULL) { 6522 if (net != NULL) { 6523 net->port = encaps->sue_port; 6524 } else { 6525 stcb->asoc.port = encaps->sue_port; 6526 } 6527 SCTP_TCB_UNLOCK(stcb); 6528 } else { 6529 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6530 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6531 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 6532 SCTP_INP_WLOCK(inp); 6533 inp->sctp_ep.port = encaps->sue_port; 6534 SCTP_INP_WUNLOCK(inp); 6535 } else { 6536 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6537 error = EINVAL; 6538 } 6539 } 6540 break; 6541 } 6542 case SCTP_ECN_SUPPORTED: 6543 { 6544 struct sctp_assoc_value *av; 6545 6546 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6547 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6548 6549 if (stcb) { 6550 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6551 error = EINVAL; 6552 SCTP_TCB_UNLOCK(stcb); 6553 } else { 6554 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6555 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6556 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6557 SCTP_INP_WLOCK(inp); 6558 if (av->assoc_value == 0) { 6559 inp->ecn_supported = 0; 6560 } else { 6561 inp->ecn_supported = 1; 6562 } 6563 SCTP_INP_WUNLOCK(inp); 6564 } else { 6565 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6566 error = EINVAL; 6567 } 6568 } 6569 break; 6570 } 6571 case SCTP_PR_SUPPORTED: 6572 { 6573 struct sctp_assoc_value *av; 6574 6575 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6576 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6577 6578 if (stcb) { 6579 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6580 error = EINVAL; 6581 SCTP_TCB_UNLOCK(stcb); 6582 } else { 6583 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6584 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6585 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6586 SCTP_INP_WLOCK(inp); 6587 if (av->assoc_value == 0) { 6588 inp->prsctp_supported = 0; 6589 } else { 6590 inp->prsctp_supported = 1; 6591 } 6592 SCTP_INP_WUNLOCK(inp); 6593 } else { 6594 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6595 error = EINVAL; 6596 } 6597 } 6598 break; 6599 } 6600 case SCTP_AUTH_SUPPORTED: 6601 { 6602 struct sctp_assoc_value *av; 6603 6604 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6605 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6606 6607 if (stcb) { 6608 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6609 error = EINVAL; 6610 SCTP_TCB_UNLOCK(stcb); 6611 } else { 6612 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6613 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6614 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6615 if ((av->assoc_value == 0) && 6616 (inp->asconf_supported == 1)) { 6617 /* 6618 * AUTH is required for 6619 * ASCONF 6620 */ 6621 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6622 error = EINVAL; 6623 } else { 6624 SCTP_INP_WLOCK(inp); 6625 if (av->assoc_value == 0) { 6626 inp->auth_supported = 0; 6627 } else { 6628 inp->auth_supported = 1; 6629 } 6630 SCTP_INP_WUNLOCK(inp); 6631 } 6632 } else { 6633 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6634 error = EINVAL; 6635 } 6636 } 6637 break; 6638 } 6639 case SCTP_ASCONF_SUPPORTED: 6640 { 6641 struct sctp_assoc_value *av; 6642 6643 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6644 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6645 6646 if (stcb) { 6647 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6648 error = EINVAL; 6649 SCTP_TCB_UNLOCK(stcb); 6650 } else { 6651 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6652 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6653 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6654 if ((av->assoc_value != 0) && 6655 (inp->auth_supported == 0)) { 6656 /* 6657 * AUTH is required for 6658 * ASCONF 6659 */ 6660 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6661 error = EINVAL; 6662 } else { 6663 SCTP_INP_WLOCK(inp); 6664 if (av->assoc_value == 0) { 6665 inp->asconf_supported = 0; 6666 sctp_auth_delete_chunk(SCTP_ASCONF, 6667 inp->sctp_ep.local_auth_chunks); 6668 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6669 inp->sctp_ep.local_auth_chunks); 6670 } else { 6671 inp->asconf_supported = 1; 6672 sctp_auth_add_chunk(SCTP_ASCONF, 6673 inp->sctp_ep.local_auth_chunks); 6674 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6675 inp->sctp_ep.local_auth_chunks); 6676 } 6677 SCTP_INP_WUNLOCK(inp); 6678 } 6679 } else { 6680 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6681 error = EINVAL; 6682 } 6683 } 6684 break; 6685 } 6686 case SCTP_RECONFIG_SUPPORTED: 6687 { 6688 struct sctp_assoc_value *av; 6689 6690 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6691 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6692 6693 if (stcb) { 6694 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6695 error = EINVAL; 6696 SCTP_TCB_UNLOCK(stcb); 6697 } else { 6698 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6699 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6700 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6701 SCTP_INP_WLOCK(inp); 6702 if (av->assoc_value == 0) { 6703 inp->reconfig_supported = 0; 6704 } else { 6705 inp->reconfig_supported = 1; 6706 } 6707 SCTP_INP_WUNLOCK(inp); 6708 } else { 6709 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6710 error = EINVAL; 6711 } 6712 } 6713 break; 6714 } 6715 case SCTP_NRSACK_SUPPORTED: 6716 { 6717 struct sctp_assoc_value *av; 6718 6719 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6720 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6721 6722 if (stcb) { 6723 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6724 error = EINVAL; 6725 SCTP_TCB_UNLOCK(stcb); 6726 } else { 6727 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6728 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6729 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6730 SCTP_INP_WLOCK(inp); 6731 if (av->assoc_value == 0) { 6732 inp->nrsack_supported = 0; 6733 } else { 6734 inp->nrsack_supported = 1; 6735 } 6736 SCTP_INP_WUNLOCK(inp); 6737 } else { 6738 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6739 error = EINVAL; 6740 } 6741 } 6742 break; 6743 } 6744 case SCTP_PKTDROP_SUPPORTED: 6745 { 6746 struct sctp_assoc_value *av; 6747 6748 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6749 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6750 6751 if (stcb) { 6752 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6753 error = EINVAL; 6754 SCTP_TCB_UNLOCK(stcb); 6755 } else { 6756 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6757 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6758 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6759 SCTP_INP_WLOCK(inp); 6760 if (av->assoc_value == 0) { 6761 inp->pktdrop_supported = 0; 6762 } else { 6763 inp->pktdrop_supported = 1; 6764 } 6765 SCTP_INP_WUNLOCK(inp); 6766 } else { 6767 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6768 error = EINVAL; 6769 } 6770 } 6771 break; 6772 } 6773 case SCTP_MAX_CWND: 6774 { 6775 struct sctp_assoc_value *av; 6776 struct sctp_nets *net; 6777 6778 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6779 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6780 6781 if (stcb) { 6782 stcb->asoc.max_cwnd = av->assoc_value; 6783 if (stcb->asoc.max_cwnd > 0) { 6784 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6785 if ((net->cwnd > stcb->asoc.max_cwnd) && 6786 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6787 net->cwnd = stcb->asoc.max_cwnd; 6788 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6789 net->cwnd = net->mtu - sizeof(struct sctphdr); 6790 } 6791 } 6792 } 6793 } 6794 SCTP_TCB_UNLOCK(stcb); 6795 } else { 6796 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6797 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6798 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6799 SCTP_INP_WLOCK(inp); 6800 inp->max_cwnd = av->assoc_value; 6801 SCTP_INP_WUNLOCK(inp); 6802 } else { 6803 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6804 error = EINVAL; 6805 } 6806 } 6807 break; 6808 } 6809 default: 6810 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6811 error = ENOPROTOOPT; 6812 break; 6813 } /* end switch (opt) */ 6814 return (error); 6815 } 6816 6817 int 6818 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6819 { 6820 void *optval = NULL; 6821 size_t optsize = 0; 6822 void *p; 6823 int error = 0; 6824 struct sctp_inpcb *inp; 6825 6826 if ((sopt->sopt_level == SOL_SOCKET) && 6827 (sopt->sopt_name == SO_SETFIB)) { 6828 inp = (struct sctp_inpcb *)so->so_pcb; 6829 if (inp == NULL) { 6830 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6831 return (EINVAL); 6832 } 6833 SCTP_INP_WLOCK(inp); 6834 inp->fibnum = so->so_fibnum; 6835 SCTP_INP_WUNLOCK(inp); 6836 return (0); 6837 } 6838 if (sopt->sopt_level != IPPROTO_SCTP) { 6839 /* wrong proto level... send back up to IP */ 6840 #ifdef INET6 6841 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6842 error = ip6_ctloutput(so, sopt); 6843 #endif /* INET6 */ 6844 #if defined(INET) && defined(INET6) 6845 else 6846 #endif 6847 #ifdef INET 6848 error = ip_ctloutput(so, sopt); 6849 #endif 6850 return (error); 6851 } 6852 optsize = sopt->sopt_valsize; 6853 if (optsize) { 6854 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6855 if (optval == NULL) { 6856 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6857 return (ENOBUFS); 6858 } 6859 error = sooptcopyin(sopt, optval, optsize, optsize); 6860 if (error) { 6861 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6862 goto out; 6863 } 6864 } 6865 p = (void *)sopt->sopt_td; 6866 if (sopt->sopt_dir == SOPT_SET) { 6867 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6868 } else if (sopt->sopt_dir == SOPT_GET) { 6869 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6870 } else { 6871 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6872 error = EINVAL; 6873 } 6874 if ((error == 0) && (optval != NULL)) { 6875 error = sooptcopyout(sopt, optval, optsize); 6876 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6877 } else if (optval != NULL) { 6878 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6879 } 6880 out: 6881 return (error); 6882 } 6883 6884 #ifdef INET 6885 static int 6886 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6887 { 6888 int error = 0; 6889 int create_lock_on = 0; 6890 uint32_t vrf_id; 6891 struct sctp_inpcb *inp; 6892 struct sctp_tcb *stcb = NULL; 6893 6894 inp = (struct sctp_inpcb *)so->so_pcb; 6895 if (inp == NULL) { 6896 /* I made the same as TCP since we are not setup? */ 6897 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6898 return (ECONNRESET); 6899 } 6900 if (addr == NULL) { 6901 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6902 return EINVAL; 6903 } 6904 switch (addr->sa_family) { 6905 #ifdef INET6 6906 case AF_INET6: 6907 { 6908 struct sockaddr_in6 *sin6p; 6909 6910 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6911 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6912 return (EINVAL); 6913 } 6914 sin6p = (struct sockaddr_in6 *)addr; 6915 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 6916 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6917 return (error); 6918 } 6919 break; 6920 } 6921 #endif 6922 #ifdef INET 6923 case AF_INET: 6924 { 6925 struct sockaddr_in *sinp; 6926 6927 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6928 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6929 return (EINVAL); 6930 } 6931 sinp = (struct sockaddr_in *)addr; 6932 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 6933 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6934 return (error); 6935 } 6936 break; 6937 } 6938 #endif 6939 default: 6940 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 6941 return (EAFNOSUPPORT); 6942 } 6943 SCTP_INP_INCR_REF(inp); 6944 SCTP_ASOC_CREATE_LOCK(inp); 6945 create_lock_on = 1; 6946 6947 6948 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 6949 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 6950 /* Should I really unlock ? */ 6951 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 6952 error = EFAULT; 6953 goto out_now; 6954 } 6955 #ifdef INET6 6956 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 6957 (addr->sa_family == AF_INET6)) { 6958 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6959 error = EINVAL; 6960 goto out_now; 6961 } 6962 #endif 6963 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 6964 SCTP_PCB_FLAGS_UNBOUND) { 6965 /* Bind a ephemeral port */ 6966 error = sctp_inpcb_bind(so, NULL, NULL, p); 6967 if (error) { 6968 goto out_now; 6969 } 6970 } 6971 /* Now do we connect? */ 6972 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 6973 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 6974 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6975 error = EINVAL; 6976 goto out_now; 6977 } 6978 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6979 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6980 /* We are already connected AND the TCP model */ 6981 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6982 error = EADDRINUSE; 6983 goto out_now; 6984 } 6985 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6986 SCTP_INP_RLOCK(inp); 6987 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6988 SCTP_INP_RUNLOCK(inp); 6989 } else { 6990 /* 6991 * We increment here since sctp_findassociation_ep_addr() 6992 * will do a decrement if it finds the stcb as long as the 6993 * locked tcb (last argument) is NOT a TCB.. aka NULL. 6994 */ 6995 SCTP_INP_INCR_REF(inp); 6996 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 6997 if (stcb == NULL) { 6998 SCTP_INP_DECR_REF(inp); 6999 } else { 7000 SCTP_TCB_UNLOCK(stcb); 7001 } 7002 } 7003 if (stcb != NULL) { 7004 /* Already have or am bring up an association */ 7005 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 7006 error = EALREADY; 7007 goto out_now; 7008 } 7009 vrf_id = inp->def_vrf_id; 7010 /* We are GOOD to go */ 7011 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, 7012 inp->sctp_ep.pre_open_stream_count, 7013 inp->sctp_ep.port, p); 7014 if (stcb == NULL) { 7015 /* Gak! no memory */ 7016 goto out_now; 7017 } 7018 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 7019 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 7020 /* Set the connected flag so we can queue data */ 7021 soisconnecting(so); 7022 } 7023 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 7024 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 7025 7026 /* initialize authentication parameters for the assoc */ 7027 sctp_initialize_auth_params(inp, stcb); 7028 7029 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 7030 SCTP_TCB_UNLOCK(stcb); 7031 out_now: 7032 if (create_lock_on) { 7033 SCTP_ASOC_CREATE_UNLOCK(inp); 7034 } 7035 SCTP_INP_DECR_REF(inp); 7036 return (error); 7037 } 7038 7039 #endif 7040 7041 int 7042 sctp_listen(struct socket *so, int backlog, struct thread *p) 7043 { 7044 /* 7045 * Note this module depends on the protocol processing being called 7046 * AFTER any socket level flags and backlog are applied to the 7047 * socket. The traditional way that the socket flags are applied is 7048 * AFTER protocol processing. We have made a change to the 7049 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 7050 * place if the socket API for SCTP is to work properly. 7051 */ 7052 7053 int error = 0; 7054 struct sctp_inpcb *inp; 7055 7056 inp = (struct sctp_inpcb *)so->so_pcb; 7057 if (inp == NULL) { 7058 /* I made the same as TCP since we are not setup? */ 7059 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7060 return (ECONNRESET); 7061 } 7062 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 7063 /* See if we have a listener */ 7064 struct sctp_inpcb *tinp; 7065 union sctp_sockstore store; 7066 7067 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 7068 /* not bound all */ 7069 struct sctp_laddr *laddr; 7070 7071 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7072 memcpy(&store, &laddr->ifa->address, sizeof(store)); 7073 switch (store.sa.sa_family) { 7074 #ifdef INET 7075 case AF_INET: 7076 store.sin.sin_port = inp->sctp_lport; 7077 break; 7078 #endif 7079 #ifdef INET6 7080 case AF_INET6: 7081 store.sin6.sin6_port = inp->sctp_lport; 7082 break; 7083 #endif 7084 default: 7085 break; 7086 } 7087 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7088 if (tinp && (tinp != inp) && 7089 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7090 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7091 (tinp->sctp_socket->so_qlimit)) { 7092 /* 7093 * we have a listener already and 7094 * its not this inp. 7095 */ 7096 SCTP_INP_DECR_REF(tinp); 7097 return (EADDRINUSE); 7098 } else if (tinp) { 7099 SCTP_INP_DECR_REF(tinp); 7100 } 7101 } 7102 } else { 7103 /* Setup a local addr bound all */ 7104 memset(&store, 0, sizeof(store)); 7105 #ifdef INET6 7106 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 7107 store.sa.sa_family = AF_INET6; 7108 store.sa.sa_len = sizeof(struct sockaddr_in6); 7109 } 7110 #endif 7111 #ifdef INET 7112 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 7113 store.sa.sa_family = AF_INET; 7114 store.sa.sa_len = sizeof(struct sockaddr_in); 7115 } 7116 #endif 7117 switch (store.sa.sa_family) { 7118 #ifdef INET 7119 case AF_INET: 7120 store.sin.sin_port = inp->sctp_lport; 7121 break; 7122 #endif 7123 #ifdef INET6 7124 case AF_INET6: 7125 store.sin6.sin6_port = inp->sctp_lport; 7126 break; 7127 #endif 7128 default: 7129 break; 7130 } 7131 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7132 if (tinp && (tinp != inp) && 7133 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7134 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7135 (tinp->sctp_socket->so_qlimit)) { 7136 /* 7137 * we have a listener already and its not 7138 * this inp. 7139 */ 7140 SCTP_INP_DECR_REF(tinp); 7141 return (EADDRINUSE); 7142 } else if (tinp) { 7143 SCTP_INP_DECR_REF(tinp); 7144 } 7145 } 7146 } 7147 SCTP_INP_RLOCK(inp); 7148 #ifdef SCTP_LOCK_LOGGING 7149 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 7150 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 7151 } 7152 #endif 7153 SOCK_LOCK(so); 7154 error = solisten_proto_check(so); 7155 SOCK_UNLOCK(so); 7156 if (error) { 7157 SCTP_INP_RUNLOCK(inp); 7158 return (error); 7159 } 7160 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 7161 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 7162 /* 7163 * The unlucky case - We are in the tcp pool with this guy. 7164 * - Someone else is in the main inp slot. - We must move 7165 * this guy (the listener) to the main slot - We must then 7166 * move the guy that was listener to the TCP Pool. 7167 */ 7168 if (sctp_swap_inpcb_for_listen(inp)) { 7169 SCTP_INP_RUNLOCK(inp); 7170 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7171 return (EADDRINUSE); 7172 } 7173 } 7174 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7175 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7176 /* We are already connected AND the TCP model */ 7177 SCTP_INP_RUNLOCK(inp); 7178 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7179 return (EADDRINUSE); 7180 } 7181 SCTP_INP_RUNLOCK(inp); 7182 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7183 /* We must do a bind. */ 7184 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 7185 /* bind error, probably perm */ 7186 return (error); 7187 } 7188 } 7189 SOCK_LOCK(so); 7190 /* It appears for 7.0 and on, we must always call this. */ 7191 solisten_proto(so, backlog); 7192 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7193 /* remove the ACCEPTCONN flag for one-to-many sockets */ 7194 so->so_options &= ~SO_ACCEPTCONN; 7195 } 7196 if (backlog == 0) { 7197 /* turning off listen */ 7198 so->so_options &= ~SO_ACCEPTCONN; 7199 } 7200 SOCK_UNLOCK(so); 7201 return (error); 7202 } 7203 7204 static int sctp_defered_wakeup_cnt = 0; 7205 7206 int 7207 sctp_accept(struct socket *so, struct sockaddr **addr) 7208 { 7209 struct sctp_tcb *stcb; 7210 struct sctp_inpcb *inp; 7211 union sctp_sockstore store; 7212 7213 #ifdef INET6 7214 int error; 7215 7216 #endif 7217 inp = (struct sctp_inpcb *)so->so_pcb; 7218 7219 if (inp == NULL) { 7220 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7221 return (ECONNRESET); 7222 } 7223 SCTP_INP_RLOCK(inp); 7224 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7225 SCTP_INP_RUNLOCK(inp); 7226 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7227 return (EOPNOTSUPP); 7228 } 7229 if (so->so_state & SS_ISDISCONNECTED) { 7230 SCTP_INP_RUNLOCK(inp); 7231 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7232 return (ECONNABORTED); 7233 } 7234 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7235 if (stcb == NULL) { 7236 SCTP_INP_RUNLOCK(inp); 7237 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7238 return (ECONNRESET); 7239 } 7240 SCTP_TCB_LOCK(stcb); 7241 SCTP_INP_RUNLOCK(inp); 7242 store = stcb->asoc.primary_destination->ro._l_addr; 7243 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 7244 SCTP_TCB_UNLOCK(stcb); 7245 switch (store.sa.sa_family) { 7246 #ifdef INET 7247 case AF_INET: 7248 { 7249 struct sockaddr_in *sin; 7250 7251 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7252 if (sin == NULL) 7253 return (ENOMEM); 7254 sin->sin_family = AF_INET; 7255 sin->sin_len = sizeof(*sin); 7256 sin->sin_port = store.sin.sin_port; 7257 sin->sin_addr = store.sin.sin_addr; 7258 *addr = (struct sockaddr *)sin; 7259 break; 7260 } 7261 #endif 7262 #ifdef INET6 7263 case AF_INET6: 7264 { 7265 struct sockaddr_in6 *sin6; 7266 7267 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7268 if (sin6 == NULL) 7269 return (ENOMEM); 7270 sin6->sin6_family = AF_INET6; 7271 sin6->sin6_len = sizeof(*sin6); 7272 sin6->sin6_port = store.sin6.sin6_port; 7273 sin6->sin6_addr = store.sin6.sin6_addr; 7274 if ((error = sa6_recoverscope(sin6)) != 0) { 7275 SCTP_FREE_SONAME(sin6); 7276 return (error); 7277 } 7278 *addr = (struct sockaddr *)sin6; 7279 break; 7280 } 7281 #endif 7282 default: 7283 /* TSNH */ 7284 break; 7285 } 7286 /* Wake any delayed sleep action */ 7287 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7288 SCTP_INP_WLOCK(inp); 7289 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7290 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7291 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7292 SCTP_INP_WUNLOCK(inp); 7293 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7294 if (sowriteable(inp->sctp_socket)) { 7295 sowwakeup_locked(inp->sctp_socket); 7296 } else { 7297 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7298 } 7299 SCTP_INP_WLOCK(inp); 7300 } 7301 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7302 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7303 SCTP_INP_WUNLOCK(inp); 7304 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7305 if (soreadable(inp->sctp_socket)) { 7306 sctp_defered_wakeup_cnt++; 7307 sorwakeup_locked(inp->sctp_socket); 7308 } else { 7309 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7310 } 7311 SCTP_INP_WLOCK(inp); 7312 } 7313 SCTP_INP_WUNLOCK(inp); 7314 } 7315 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7316 SCTP_TCB_LOCK(stcb); 7317 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7318 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7319 } 7320 return (0); 7321 } 7322 7323 #ifdef INET 7324 int 7325 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7326 { 7327 struct sockaddr_in *sin; 7328 uint32_t vrf_id; 7329 struct sctp_inpcb *inp; 7330 struct sctp_ifa *sctp_ifa; 7331 7332 /* 7333 * Do the malloc first in case it blocks. 7334 */ 7335 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7336 if (sin == NULL) 7337 return (ENOMEM); 7338 sin->sin_family = AF_INET; 7339 sin->sin_len = sizeof(*sin); 7340 inp = (struct sctp_inpcb *)so->so_pcb; 7341 if (!inp) { 7342 SCTP_FREE_SONAME(sin); 7343 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7344 return (ECONNRESET); 7345 } 7346 SCTP_INP_RLOCK(inp); 7347 sin->sin_port = inp->sctp_lport; 7348 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7349 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7350 struct sctp_tcb *stcb; 7351 struct sockaddr_in *sin_a; 7352 struct sctp_nets *net; 7353 int fnd; 7354 7355 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7356 if (stcb == NULL) { 7357 goto notConn; 7358 } 7359 fnd = 0; 7360 sin_a = NULL; 7361 SCTP_TCB_LOCK(stcb); 7362 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7363 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7364 if (sin_a == NULL) 7365 /* this will make coverity happy */ 7366 continue; 7367 7368 if (sin_a->sin_family == AF_INET) { 7369 fnd = 1; 7370 break; 7371 } 7372 } 7373 if ((!fnd) || (sin_a == NULL)) { 7374 /* punt */ 7375 SCTP_TCB_UNLOCK(stcb); 7376 goto notConn; 7377 } 7378 vrf_id = inp->def_vrf_id; 7379 sctp_ifa = sctp_source_address_selection(inp, 7380 stcb, 7381 (sctp_route_t *) & net->ro, 7382 net, 0, vrf_id); 7383 if (sctp_ifa) { 7384 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7385 sctp_free_ifa(sctp_ifa); 7386 } 7387 SCTP_TCB_UNLOCK(stcb); 7388 } else { 7389 /* For the bound all case you get back 0 */ 7390 notConn: 7391 sin->sin_addr.s_addr = 0; 7392 } 7393 7394 } else { 7395 /* Take the first IPv4 address in the list */ 7396 struct sctp_laddr *laddr; 7397 int fnd = 0; 7398 7399 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7400 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7401 struct sockaddr_in *sin_a; 7402 7403 sin_a = &laddr->ifa->address.sin; 7404 sin->sin_addr = sin_a->sin_addr; 7405 fnd = 1; 7406 break; 7407 } 7408 } 7409 if (!fnd) { 7410 SCTP_FREE_SONAME(sin); 7411 SCTP_INP_RUNLOCK(inp); 7412 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7413 return (ENOENT); 7414 } 7415 } 7416 SCTP_INP_RUNLOCK(inp); 7417 (*addr) = (struct sockaddr *)sin; 7418 return (0); 7419 } 7420 7421 int 7422 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7423 { 7424 struct sockaddr_in *sin; 7425 int fnd; 7426 struct sockaddr_in *sin_a; 7427 struct sctp_inpcb *inp; 7428 struct sctp_tcb *stcb; 7429 struct sctp_nets *net; 7430 7431 /* Do the malloc first in case it blocks. */ 7432 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7433 if (sin == NULL) 7434 return (ENOMEM); 7435 sin->sin_family = AF_INET; 7436 sin->sin_len = sizeof(*sin); 7437 7438 inp = (struct sctp_inpcb *)so->so_pcb; 7439 if ((inp == NULL) || 7440 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7441 /* UDP type and listeners will drop out here */ 7442 SCTP_FREE_SONAME(sin); 7443 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7444 return (ENOTCONN); 7445 } 7446 SCTP_INP_RLOCK(inp); 7447 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7448 if (stcb) { 7449 SCTP_TCB_LOCK(stcb); 7450 } 7451 SCTP_INP_RUNLOCK(inp); 7452 if (stcb == NULL) { 7453 SCTP_FREE_SONAME(sin); 7454 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7455 return (ECONNRESET); 7456 } 7457 fnd = 0; 7458 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7459 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7460 if (sin_a->sin_family == AF_INET) { 7461 fnd = 1; 7462 sin->sin_port = stcb->rport; 7463 sin->sin_addr = sin_a->sin_addr; 7464 break; 7465 } 7466 } 7467 SCTP_TCB_UNLOCK(stcb); 7468 if (!fnd) { 7469 /* No IPv4 address */ 7470 SCTP_FREE_SONAME(sin); 7471 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7472 return (ENOENT); 7473 } 7474 (*addr) = (struct sockaddr *)sin; 7475 return (0); 7476 } 7477 7478 struct pr_usrreqs sctp_usrreqs = { 7479 .pru_abort = sctp_abort, 7480 .pru_accept = sctp_accept, 7481 .pru_attach = sctp_attach, 7482 .pru_bind = sctp_bind, 7483 .pru_connect = sctp_connect, 7484 .pru_control = in_control, 7485 .pru_close = sctp_close, 7486 .pru_detach = sctp_close, 7487 .pru_sopoll = sopoll_generic, 7488 .pru_flush = sctp_flush, 7489 .pru_disconnect = sctp_disconnect, 7490 .pru_listen = sctp_listen, 7491 .pru_peeraddr = sctp_peeraddr, 7492 .pru_send = sctp_sendm, 7493 .pru_shutdown = sctp_shutdown, 7494 .pru_sockaddr = sctp_ingetaddr, 7495 .pru_sosend = sctp_sosend, 7496 .pru_soreceive = sctp_soreceive 7497 }; 7498 7499 #endif 7500