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: stable/11/sys/netinet/sctp_usrreq.c 361479 2020-05-25 20:23:38Z tuexen $"); 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 57extern const struct sctp_cc_functions sctp_cc_functions[]; 58extern const struct sctp_ss_functions sctp_ss_functions[]; 59 60void 61sctp_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 memset(&SCTP_BASE_VAR(packet_log_buffer), 0, SCTP_PACKET_LOG_SIZE); 89#endif 90} 91 92#ifdef VIMAGE 93static void 94sctp_finish(void *unused __unused) 95{ 96 sctp_pcb_finish(); 97} 98 99VNET_SYSUNINIT(sctp, SI_SUB_PROTO_DOMAIN, SI_ORDER_FOURTH, sctp_finish, NULL); 100#endif 101 102void 103sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz) 104{ 105 struct sctp_tmit_chunk *chk; 106 uint16_t overhead; 107 108 /* Adjust that too */ 109 stcb->asoc.smallest_mtu = nxtsz; 110 /* now off to subtract IP_DF flag if needed */ 111 overhead = IP_HDR_SIZE + sizeof(struct sctphdr); 112 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) { 113 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id); 114 } 115 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) { 116 if ((chk->send_size + overhead) > nxtsz) { 117 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 118 } 119 } 120 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) { 121 if ((chk->send_size + overhead) > nxtsz) { 122 /* 123 * For this guy we also mark for immediate resend 124 * since we sent to big of chunk 125 */ 126 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 127 if (chk->sent < SCTP_DATAGRAM_RESEND) { 128 sctp_flight_size_decrease(chk); 129 sctp_total_flight_decrease(stcb, chk); 130 chk->sent = SCTP_DATAGRAM_RESEND; 131 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt); 132 chk->rec.data.doing_fast_retransmit = 0; 133 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 134 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 135 chk->whoTo->flight_size, 136 chk->book_size, 137 (uint32_t)(uintptr_t)chk->whoTo, 138 chk->rec.data.tsn); 139 } 140 /* Clear any time so NO RTT is being done */ 141 if (chk->do_rtt == 1) { 142 chk->do_rtt = 0; 143 chk->whoTo->rto_needed = 1; 144 } 145 } 146 } 147 } 148} 149 150#ifdef INET 151void 152sctp_notify(struct sctp_inpcb *inp, 153 struct sctp_tcb *stcb, 154 struct sctp_nets *net, 155 uint8_t icmp_type, 156 uint8_t icmp_code, 157 uint16_t ip_len, 158 uint32_t next_mtu) 159{ 160#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 161 struct socket *so; 162#endif 163 int timer_stopped; 164 165 if (icmp_type != ICMP_UNREACH) { 166 /* We only care about unreachable */ 167 SCTP_TCB_UNLOCK(stcb); 168 return; 169 } 170 if ((icmp_code == ICMP_UNREACH_NET) || 171 (icmp_code == ICMP_UNREACH_HOST) || 172 (icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 173 (icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 174 (icmp_code == ICMP_UNREACH_ISOLATED) || 175 (icmp_code == ICMP_UNREACH_NET_PROHIB) || 176 (icmp_code == ICMP_UNREACH_HOST_PROHIB) || 177 (icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 178 /* Mark the net unreachable. */ 179 if (net->dest_state & SCTP_ADDR_REACHABLE) { 180 /* OK, that destination is NOT reachable. */ 181 net->dest_state &= ~SCTP_ADDR_REACHABLE; 182 net->dest_state &= ~SCTP_ADDR_PF; 183 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 184 stcb, 0, 185 (void *)net, SCTP_SO_NOT_LOCKED); 186 } 187 SCTP_TCB_UNLOCK(stcb); 188 } else if ((icmp_code == ICMP_UNREACH_PROTOCOL) || 189 (icmp_code == ICMP_UNREACH_PORT)) { 190 /* Treat it like an ABORT. */ 191 sctp_abort_notification(stcb, 1, 0, NULL, SCTP_SO_NOT_LOCKED); 192#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 193 so = SCTP_INP_SO(inp); 194 atomic_add_int(&stcb->asoc.refcnt, 1); 195 SCTP_TCB_UNLOCK(stcb); 196 SCTP_SOCKET_LOCK(so, 1); 197 SCTP_TCB_LOCK(stcb); 198 atomic_subtract_int(&stcb->asoc.refcnt, 1); 199#endif 200 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 201 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 202#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 203 SCTP_SOCKET_UNLOCK(so, 1); 204 /* SCTP_TCB_UNLOCK(stcb); MT: I think this is not needed. */ 205#endif 206 /* no need to unlock here, since the TCB is gone */ 207 } else if (icmp_code == ICMP_UNREACH_NEEDFRAG) { 208 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 209 SCTP_TCB_UNLOCK(stcb); 210 return; 211 } 212 /* Find the next (smaller) MTU */ 213 if (next_mtu == 0) { 214 /* 215 * Old type router that does not tell us what the 216 * next MTU is. Rats we will have to guess (in a 217 * educated fashion of course). 218 */ 219 next_mtu = sctp_get_prev_mtu(ip_len); 220 } 221 /* Stop the PMTU timer. */ 222 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 223 timer_stopped = 1; 224 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 225 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 226 } else { 227 timer_stopped = 0; 228 } 229 /* Update the path MTU. */ 230 if (net->port) { 231 next_mtu -= sizeof(struct udphdr); 232 } 233 if (net->mtu > next_mtu) { 234 net->mtu = next_mtu; 235 if (net->port) { 236 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu + sizeof(struct udphdr)); 237 } else { 238 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu); 239 } 240 } 241 /* Update the association MTU */ 242 if (stcb->asoc.smallest_mtu > next_mtu) { 243 sctp_pathmtu_adjustment(stcb, next_mtu); 244 } 245 /* Finally, start the PMTU timer if it was running before. */ 246 if (timer_stopped) { 247 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 248 } 249 SCTP_TCB_UNLOCK(stcb); 250 } else { 251 SCTP_TCB_UNLOCK(stcb); 252 } 253} 254 255void 256sctp_ctlinput(int cmd, struct sockaddr *sa, void *vip) 257{ 258 struct ip *outer_ip; 259 struct ip *inner_ip; 260 struct sctphdr *sh; 261 struct icmp *icmp; 262 struct sctp_inpcb *inp; 263 struct sctp_tcb *stcb; 264 struct sctp_nets *net; 265 struct sctp_init_chunk *ch; 266 struct sockaddr_in src, dst; 267 268 if (sa->sa_family != AF_INET || 269 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 270 return; 271 } 272 if (PRC_IS_REDIRECT(cmd)) { 273 vip = NULL; 274 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 275 return; 276 } 277 if (vip != NULL) { 278 inner_ip = (struct ip *)vip; 279 icmp = (struct icmp *)((caddr_t)inner_ip - 280 (sizeof(struct icmp) - sizeof(struct ip))); 281 outer_ip = (struct ip *)((caddr_t)icmp - sizeof(struct ip)); 282 sh = (struct sctphdr *)((caddr_t)inner_ip + (inner_ip->ip_hl << 2)); 283 memset(&src, 0, sizeof(struct sockaddr_in)); 284 src.sin_family = AF_INET; 285 src.sin_len = sizeof(struct sockaddr_in); 286 src.sin_port = sh->src_port; 287 src.sin_addr = inner_ip->ip_src; 288 memset(&dst, 0, sizeof(struct sockaddr_in)); 289 dst.sin_family = AF_INET; 290 dst.sin_len = sizeof(struct sockaddr_in); 291 dst.sin_port = sh->dest_port; 292 dst.sin_addr = inner_ip->ip_dst; 293 /* 294 * 'dst' holds the dest of the packet that failed to be 295 * sent. 'src' holds our local endpoint address. Thus we 296 * reverse the dst and the src in the lookup. 297 */ 298 inp = NULL; 299 net = NULL; 300 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&dst, 301 (struct sockaddr *)&src, 302 &inp, &net, 1, 303 SCTP_DEFAULT_VRFID); 304 if ((stcb != NULL) && 305 (net != NULL) && 306 (inp != NULL)) { 307 /* Check the verification tag */ 308 if (ntohl(sh->v_tag) != 0) { 309 /* 310 * This must be the verification tag used 311 * for sending out packets. We don't 312 * consider packets reflecting the 313 * verification tag. 314 */ 315 if (ntohl(sh->v_tag) != stcb->asoc.peer_vtag) { 316 SCTP_TCB_UNLOCK(stcb); 317 return; 318 } 319 } else { 320 if (ntohs(outer_ip->ip_len) >= 321 sizeof(struct ip) + 322 8 + (inner_ip->ip_hl << 2) + 20) { 323 /* 324 * In this case we can check if we 325 * got an INIT chunk and if the 326 * initiate tag matches. 327 */ 328 ch = (struct sctp_init_chunk *)(sh + 1); 329 if ((ch->ch.chunk_type != SCTP_INITIATION) || 330 (ntohl(ch->init.initiate_tag) != stcb->asoc.my_vtag)) { 331 SCTP_TCB_UNLOCK(stcb); 332 return; 333 } 334 } else { 335 SCTP_TCB_UNLOCK(stcb); 336 return; 337 } 338 } 339 sctp_notify(inp, stcb, net, 340 icmp->icmp_type, 341 icmp->icmp_code, 342 ntohs(inner_ip->ip_len), 343 (uint32_t)ntohs(icmp->icmp_nextmtu)); 344 } else { 345 if ((stcb == NULL) && (inp != NULL)) { 346 /* reduce ref-count */ 347 SCTP_INP_WLOCK(inp); 348 SCTP_INP_DECR_REF(inp); 349 SCTP_INP_WUNLOCK(inp); 350 } 351 if (stcb) { 352 SCTP_TCB_UNLOCK(stcb); 353 } 354 } 355 } 356 return; 357} 358#endif 359 360static int 361sctp_getcred(SYSCTL_HANDLER_ARGS) 362{ 363 struct xucred xuc; 364 struct sockaddr_in addrs[2]; 365 struct sctp_inpcb *inp; 366 struct sctp_nets *net; 367 struct sctp_tcb *stcb; 368 int error; 369 uint32_t vrf_id; 370 371 /* FIX, for non-bsd is this right? */ 372 vrf_id = SCTP_DEFAULT_VRFID; 373 374 error = priv_check(req->td, PRIV_NETINET_GETCRED); 375 376 if (error) 377 return (error); 378 379 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 380 if (error) 381 return (error); 382 383 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), 384 sintosa(&addrs[0]), 385 &inp, &net, 1, vrf_id); 386 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 387 if ((inp != NULL) && (stcb == NULL)) { 388 /* reduce ref-count */ 389 SCTP_INP_WLOCK(inp); 390 SCTP_INP_DECR_REF(inp); 391 goto cred_can_cont; 392 } 393 394 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 395 error = ENOENT; 396 goto out; 397 } 398 SCTP_TCB_UNLOCK(stcb); 399 /* 400 * We use the write lock here, only since in the error leg we need 401 * it. If we used RLOCK, then we would have to 402 * wlock/decr/unlock/rlock. Which in theory could create a hole. 403 * Better to use higher wlock. 404 */ 405 SCTP_INP_WLOCK(inp); 406cred_can_cont: 407 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 408 if (error) { 409 SCTP_INP_WUNLOCK(inp); 410 goto out; 411 } 412 cru2x(inp->sctp_socket->so_cred, &xuc); 413 SCTP_INP_WUNLOCK(inp); 414 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 415out: 416 return (error); 417} 418 419SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW, 420 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection"); 421 422 423#ifdef INET 424static void 425sctp_abort(struct socket *so) 426{ 427 struct sctp_inpcb *inp; 428 uint32_t flags; 429 430 inp = (struct sctp_inpcb *)so->so_pcb; 431 if (inp == NULL) { 432 return; 433 } 434 435sctp_must_try_again: 436 flags = inp->sctp_flags; 437#ifdef SCTP_LOG_CLOSING 438 sctp_log_closing(inp, NULL, 17); 439#endif 440 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 441 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 442#ifdef SCTP_LOG_CLOSING 443 sctp_log_closing(inp, NULL, 16); 444#endif 445 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 446 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 447 SOCK_LOCK(so); 448 SCTP_SB_CLEAR(so->so_snd); 449 /* 450 * same for the rcv ones, they are only here for the 451 * accounting/select. 452 */ 453 SCTP_SB_CLEAR(so->so_rcv); 454 455 /* Now null out the reference, we are completely detached. */ 456 so->so_pcb = NULL; 457 SOCK_UNLOCK(so); 458 } else { 459 flags = inp->sctp_flags; 460 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 461 goto sctp_must_try_again; 462 } 463 } 464 return; 465} 466 467static int 468sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 469{ 470 struct sctp_inpcb *inp; 471 struct inpcb *ip_inp; 472 int error; 473 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 474 475 inp = (struct sctp_inpcb *)so->so_pcb; 476 if (inp != NULL) { 477 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 478 return (EINVAL); 479 } 480 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 481 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 482 if (error) { 483 return (error); 484 } 485 } 486 error = sctp_inpcb_alloc(so, vrf_id); 487 if (error) { 488 return (error); 489 } 490 inp = (struct sctp_inpcb *)so->so_pcb; 491 SCTP_INP_WLOCK(inp); 492 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 493 ip_inp = &inp->ip_inp.inp; 494 ip_inp->inp_vflag |= INP_IPV4; 495 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 496 SCTP_INP_WUNLOCK(inp); 497 return (0); 498} 499 500static int 501sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 502{ 503 struct sctp_inpcb *inp; 504 505 inp = (struct sctp_inpcb *)so->so_pcb; 506 if (inp == NULL) { 507 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 508 return (EINVAL); 509 } 510 if (addr != NULL) { 511 if ((addr->sa_family != AF_INET) || 512 (addr->sa_len != sizeof(struct sockaddr_in))) { 513 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 514 return (EINVAL); 515 } 516 } 517 return (sctp_inpcb_bind(so, addr, NULL, p)); 518} 519 520#endif 521void 522sctp_close(struct socket *so) 523{ 524 struct sctp_inpcb *inp; 525 uint32_t flags; 526 527 inp = (struct sctp_inpcb *)so->so_pcb; 528 if (inp == NULL) 529 return; 530 531 /* 532 * Inform all the lower layer assoc that we are done. 533 */ 534sctp_must_try_again: 535 flags = inp->sctp_flags; 536#ifdef SCTP_LOG_CLOSING 537 sctp_log_closing(inp, NULL, 17); 538#endif 539 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 540 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 541 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 542 (so->so_rcv.sb_cc > 0)) { 543#ifdef SCTP_LOG_CLOSING 544 sctp_log_closing(inp, NULL, 13); 545#endif 546 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 547 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 548 } else { 549#ifdef SCTP_LOG_CLOSING 550 sctp_log_closing(inp, NULL, 14); 551#endif 552 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 553 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 554 } 555 /* 556 * The socket is now detached, no matter what the state of 557 * the SCTP association. 558 */ 559 SOCK_LOCK(so); 560 SCTP_SB_CLEAR(so->so_snd); 561 /* 562 * same for the rcv ones, they are only here for the 563 * accounting/select. 564 */ 565 SCTP_SB_CLEAR(so->so_rcv); 566 567 /* Now null out the reference, we are completely detached. */ 568 so->so_pcb = NULL; 569 SOCK_UNLOCK(so); 570 } else { 571 flags = inp->sctp_flags; 572 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 573 goto sctp_must_try_again; 574 } 575 } 576 return; 577} 578 579 580int 581sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 582 struct mbuf *control, struct thread *p); 583 584 585int 586sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 587 struct mbuf *control, struct thread *p) 588{ 589 struct sctp_inpcb *inp; 590 int error; 591 592 inp = (struct sctp_inpcb *)so->so_pcb; 593 if (inp == NULL) { 594 if (control) { 595 sctp_m_freem(control); 596 control = NULL; 597 } 598 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 599 sctp_m_freem(m); 600 return (EINVAL); 601 } 602 /* Got to have an to address if we are NOT a connected socket */ 603 if ((addr == NULL) && 604 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 605 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 606 goto connected_type; 607 } else if (addr == NULL) { 608 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 609 error = EDESTADDRREQ; 610 sctp_m_freem(m); 611 if (control) { 612 sctp_m_freem(control); 613 control = NULL; 614 } 615 return (error); 616 } 617#ifdef INET6 618 if (addr->sa_family != AF_INET) { 619 /* must be a v4 address! */ 620 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 621 sctp_m_freem(m); 622 if (control) { 623 sctp_m_freem(control); 624 control = NULL; 625 } 626 error = EDESTADDRREQ; 627 return (error); 628 } 629#endif /* INET6 */ 630connected_type: 631 /* now what about control */ 632 if (control) { 633 if (inp->control) { 634 sctp_m_freem(inp->control); 635 inp->control = NULL; 636 } 637 inp->control = control; 638 } 639 /* Place the data */ 640 if (inp->pkt) { 641 SCTP_BUF_NEXT(inp->pkt_last) = m; 642 inp->pkt_last = m; 643 } else { 644 inp->pkt_last = inp->pkt = m; 645 } 646 if ( 647 /* FreeBSD uses a flag passed */ 648 ((flags & PRUS_MORETOCOME) == 0) 649 ) { 650 /* 651 * note with the current version this code will only be used 652 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 653 * re-defining sosend to use the sctp_sosend. One can 654 * optionally switch back to this code (by changing back the 655 * definitions) but this is not advisable. This code is used 656 * by FreeBSD when sending a file with sendfile() though. 657 */ 658 int ret; 659 660 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 661 inp->pkt = NULL; 662 inp->control = NULL; 663 return (ret); 664 } else { 665 return (0); 666 } 667} 668 669int 670sctp_disconnect(struct socket *so) 671{ 672 struct sctp_inpcb *inp; 673 674 inp = (struct sctp_inpcb *)so->so_pcb; 675 if (inp == NULL) { 676 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 677 return (ENOTCONN); 678 } 679 SCTP_INP_RLOCK(inp); 680 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 681 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 682 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 683 /* No connection */ 684 SCTP_INP_RUNLOCK(inp); 685 return (0); 686 } else { 687 struct sctp_association *asoc; 688 struct sctp_tcb *stcb; 689 690 stcb = LIST_FIRST(&inp->sctp_asoc_list); 691 if (stcb == NULL) { 692 SCTP_INP_RUNLOCK(inp); 693 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 694 return (EINVAL); 695 } 696 SCTP_TCB_LOCK(stcb); 697 asoc = &stcb->asoc; 698 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 699 /* We are about to be freed, out of here */ 700 SCTP_TCB_UNLOCK(stcb); 701 SCTP_INP_RUNLOCK(inp); 702 return (0); 703 } 704 if (((so->so_options & SO_LINGER) && 705 (so->so_linger == 0)) || 706 (so->so_rcv.sb_cc > 0)) { 707 if (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) { 708 /* Left with Data unread */ 709 struct mbuf *op_err; 710 711 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 712 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 713 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 714 } 715 SCTP_INP_RUNLOCK(inp); 716 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 717 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 718 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 719 } 720 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 721 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 722 /* No unlock tcb assoc is gone */ 723 return (0); 724 } 725 if (TAILQ_EMPTY(&asoc->send_queue) && 726 TAILQ_EMPTY(&asoc->sent_queue) && 727 (asoc->stream_queue_cnt == 0)) { 728 /* there is nothing queued to send, so done */ 729 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 730 goto abort_anyway; 731 } 732 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_SENT) && 733 (SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 734 /* only send SHUTDOWN 1st time thru */ 735 struct sctp_nets *netp; 736 737 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 738 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 739 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 740 } 741 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 742 SCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 743 sctp_stop_timers_for_shutdown(stcb); 744 if (stcb->asoc.alternate) { 745 netp = stcb->asoc.alternate; 746 } else { 747 netp = stcb->asoc.primary_destination; 748 } 749 sctp_send_shutdown(stcb, netp); 750 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 751 stcb->sctp_ep, stcb, netp); 752 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 753 stcb->sctp_ep, stcb, netp); 754 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 755 } 756 } else { 757 /* 758 * we still got (or just got) data to send, 759 * so set SHUTDOWN_PENDING 760 */ 761 /* 762 * XXX sockets draft says that SCTP_EOF 763 * should be sent with no data. currently, 764 * we will allow user data to be sent first 765 * and move to SHUTDOWN-PENDING 766 */ 767 struct sctp_nets *netp; 768 769 if (stcb->asoc.alternate) { 770 netp = stcb->asoc.alternate; 771 } else { 772 netp = stcb->asoc.primary_destination; 773 } 774 775 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 776 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 777 netp); 778 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 779 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 780 } 781 if (TAILQ_EMPTY(&asoc->send_queue) && 782 TAILQ_EMPTY(&asoc->sent_queue) && 783 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 784 struct mbuf *op_err; 785 786 abort_anyway: 787 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 788 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 789 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 790 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 791 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 792 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 793 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 794 } 795 SCTP_INP_RUNLOCK(inp); 796 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 797 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 798 return (0); 799 } else { 800 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 801 } 802 } 803 soisdisconnecting(so); 804 SCTP_TCB_UNLOCK(stcb); 805 SCTP_INP_RUNLOCK(inp); 806 return (0); 807 } 808 /* not reached */ 809 } else { 810 /* UDP model does not support this */ 811 SCTP_INP_RUNLOCK(inp); 812 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 813 return (EOPNOTSUPP); 814 } 815} 816 817int 818sctp_flush(struct socket *so, int how) 819{ 820 /* 821 * We will just clear out the values and let subsequent close clear 822 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 823 * they will not be able to read the data, the socket will block 824 * that from happening. 825 */ 826 struct sctp_inpcb *inp; 827 828 inp = (struct sctp_inpcb *)so->so_pcb; 829 if (inp == NULL) { 830 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 831 return (EINVAL); 832 } 833 SCTP_INP_RLOCK(inp); 834 /* For the 1 to many model this does nothing */ 835 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 836 SCTP_INP_RUNLOCK(inp); 837 return (0); 838 } 839 SCTP_INP_RUNLOCK(inp); 840 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 841 /* 842 * First make sure the sb will be happy, we don't use these 843 * except maybe the count 844 */ 845 SCTP_INP_WLOCK(inp); 846 SCTP_INP_READ_LOCK(inp); 847 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 848 SCTP_INP_READ_UNLOCK(inp); 849 SCTP_INP_WUNLOCK(inp); 850 so->so_rcv.sb_cc = 0; 851 so->so_rcv.sb_mbcnt = 0; 852 so->so_rcv.sb_mb = NULL; 853 } 854 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 855 /* 856 * First make sure the sb will be happy, we don't use these 857 * except maybe the count 858 */ 859 so->so_snd.sb_cc = 0; 860 so->so_snd.sb_mbcnt = 0; 861 so->so_snd.sb_mb = NULL; 862 863 } 864 return (0); 865} 866 867int 868sctp_shutdown(struct socket *so) 869{ 870 struct sctp_inpcb *inp; 871 872 inp = (struct sctp_inpcb *)so->so_pcb; 873 if (inp == NULL) { 874 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 875 return (EINVAL); 876 } 877 SCTP_INP_RLOCK(inp); 878 /* For UDP model this is a invalid call */ 879 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 880 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 881 /* Restore the flags that the soshutdown took away. */ 882 SOCKBUF_LOCK(&so->so_rcv); 883 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 884 SOCKBUF_UNLOCK(&so->so_rcv); 885 /* This proc will wakeup for read and do nothing (I hope) */ 886 SCTP_INP_RUNLOCK(inp); 887 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 888 return (EOPNOTSUPP); 889 } else { 890 /* 891 * Ok, if we reach here its the TCP model and it is either a 892 * SHUT_WR or SHUT_RDWR. This means we put the shutdown flag 893 * against it. 894 */ 895 struct sctp_tcb *stcb; 896 struct sctp_association *asoc; 897 struct sctp_nets *netp; 898 899 if ((so->so_state & 900 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 901 SCTP_INP_RUNLOCK(inp); 902 return (ENOTCONN); 903 } 904 socantsendmore(so); 905 906 stcb = LIST_FIRST(&inp->sctp_asoc_list); 907 if (stcb == NULL) { 908 /* 909 * Ok, we hit the case that the shutdown call was 910 * made after an abort or something. Nothing to do 911 * now. 912 */ 913 SCTP_INP_RUNLOCK(inp); 914 return (0); 915 } 916 SCTP_TCB_LOCK(stcb); 917 asoc = &stcb->asoc; 918 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) { 919 SCTP_TCB_UNLOCK(stcb); 920 SCTP_INP_RUNLOCK(inp); 921 return (0); 922 } 923 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) && 924 (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_ECHOED) && 925 (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN)) { 926 /* 927 * If we are not in or before ESTABLISHED, there is 928 * no protocol action required. 929 */ 930 SCTP_TCB_UNLOCK(stcb); 931 SCTP_INP_RUNLOCK(inp); 932 return (0); 933 } 934 if (stcb->asoc.alternate) { 935 netp = stcb->asoc.alternate; 936 } else { 937 netp = stcb->asoc.primary_destination; 938 } 939 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) && 940 TAILQ_EMPTY(&asoc->send_queue) && 941 TAILQ_EMPTY(&asoc->sent_queue) && 942 (asoc->stream_queue_cnt == 0)) { 943 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 944 goto abort_anyway; 945 } 946 /* there is nothing queued to send, so I'm done... */ 947 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 948 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 949 SCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 950 sctp_stop_timers_for_shutdown(stcb); 951 sctp_send_shutdown(stcb, netp); 952 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 953 stcb->sctp_ep, stcb, netp); 954 } else { 955 /* 956 * We still got (or just got) data to send, so set 957 * SHUTDOWN_PENDING. 958 */ 959 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 960 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 961 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 962 } 963 if (TAILQ_EMPTY(&asoc->send_queue) && 964 TAILQ_EMPTY(&asoc->sent_queue) && 965 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 966 struct mbuf *op_err; 967 968 abort_anyway: 969 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 970 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 971 SCTP_INP_RUNLOCK(inp); 972 sctp_abort_an_association(stcb->sctp_ep, stcb, 973 op_err, SCTP_SO_LOCKED); 974 return (0); 975 } 976 } 977 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, netp); 978 /* 979 * XXX: Why do this in the case where we have still data 980 * queued? 981 */ 982 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 983 SCTP_TCB_UNLOCK(stcb); 984 SCTP_INP_RUNLOCK(inp); 985 return (0); 986 } 987} 988 989/* 990 * copies a "user" presentable address and removes embedded scope, etc. 991 * returns 0 on success, 1 on error 992 */ 993static uint32_t 994sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 995{ 996#ifdef INET6 997 struct sockaddr_in6 lsa6; 998 999 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 1000 &lsa6); 1001#endif 1002 memcpy(ss, sa, sa->sa_len); 1003 return (0); 1004} 1005 1006 1007 1008/* 1009 * NOTE: assumes addr lock is held 1010 */ 1011static size_t 1012sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1013 struct sctp_tcb *stcb, 1014 size_t limit, 1015 struct sockaddr_storage *sas, 1016 uint32_t vrf_id) 1017{ 1018 struct sctp_ifn *sctp_ifn; 1019 struct sctp_ifa *sctp_ifa; 1020 size_t actual; 1021 int loopback_scope; 1022#if defined(INET) 1023 int ipv4_local_scope, ipv4_addr_legal; 1024#endif 1025#if defined(INET6) 1026 int local_scope, site_scope, ipv6_addr_legal; 1027#endif 1028 struct sctp_vrf *vrf; 1029 1030 actual = 0; 1031 if (limit == 0) 1032 return (actual); 1033 1034 if (stcb) { 1035 /* Turn on all the appropriate scope */ 1036 loopback_scope = stcb->asoc.scope.loopback_scope; 1037#if defined(INET) 1038 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1039 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1040#endif 1041#if defined(INET6) 1042 local_scope = stcb->asoc.scope.local_scope; 1043 site_scope = stcb->asoc.scope.site_scope; 1044 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1045#endif 1046 } else { 1047 /* Use generic values for endpoints. */ 1048 loopback_scope = 1; 1049#if defined(INET) 1050 ipv4_local_scope = 1; 1051#endif 1052#if defined(INET6) 1053 local_scope = 1; 1054 site_scope = 1; 1055#endif 1056 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1057#if defined(INET6) 1058 ipv6_addr_legal = 1; 1059#endif 1060#if defined(INET) 1061 if (SCTP_IPV6_V6ONLY(inp)) { 1062 ipv4_addr_legal = 0; 1063 } else { 1064 ipv4_addr_legal = 1; 1065 } 1066#endif 1067 } else { 1068#if defined(INET6) 1069 ipv6_addr_legal = 0; 1070#endif 1071#if defined(INET) 1072 ipv4_addr_legal = 1; 1073#endif 1074 } 1075 } 1076 vrf = sctp_find_vrf(vrf_id); 1077 if (vrf == NULL) { 1078 return (0); 1079 } 1080 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1081 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1082 if ((loopback_scope == 0) && 1083 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1084 /* Skip loopback if loopback_scope not set */ 1085 continue; 1086 } 1087 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1088 if (stcb) { 1089 /* 1090 * For the BOUND-ALL case, the list 1091 * associated with a TCB is Always 1092 * considered a reverse list.. i.e. 1093 * it lists addresses that are NOT 1094 * part of the association. If this 1095 * is one of those we must skip it. 1096 */ 1097 if (sctp_is_addr_restricted(stcb, 1098 sctp_ifa)) { 1099 continue; 1100 } 1101 } 1102 switch (sctp_ifa->address.sa.sa_family) { 1103#ifdef INET 1104 case AF_INET: 1105 if (ipv4_addr_legal) { 1106 struct sockaddr_in *sin; 1107 1108 sin = &sctp_ifa->address.sin; 1109 if (sin->sin_addr.s_addr == 0) { 1110 /* 1111 * we skip 1112 * unspecifed 1113 * addresses 1114 */ 1115 continue; 1116 } 1117 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1118 &sin->sin_addr) != 0) { 1119 continue; 1120 } 1121 if ((ipv4_local_scope == 0) && 1122 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1123 continue; 1124 } 1125#ifdef INET6 1126 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1127 if (actual + sizeof(struct sockaddr_in6) > limit) { 1128 return (actual); 1129 } 1130 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1131 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1132 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1133 actual += sizeof(struct sockaddr_in6); 1134 } else { 1135#endif 1136 if (actual + sizeof(struct sockaddr_in) > limit) { 1137 return (actual); 1138 } 1139 memcpy(sas, sin, sizeof(struct sockaddr_in)); 1140 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1141 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in)); 1142 actual += sizeof(struct sockaddr_in); 1143#ifdef INET6 1144 } 1145#endif 1146 } else { 1147 continue; 1148 } 1149 break; 1150#endif 1151#ifdef INET6 1152 case AF_INET6: 1153 if (ipv6_addr_legal) { 1154 struct sockaddr_in6 *sin6; 1155 1156 sin6 = &sctp_ifa->address.sin6; 1157 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1158 /* 1159 * we skip 1160 * unspecifed 1161 * addresses 1162 */ 1163 continue; 1164 } 1165 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1166 &sin6->sin6_addr) != 0) { 1167 continue; 1168 } 1169 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1170 if (local_scope == 0) 1171 continue; 1172 if (sin6->sin6_scope_id == 0) { 1173 if (sa6_recoverscope(sin6) != 0) 1174 /* 1175 * 1176 * bad 1177 * link 1178 * 1179 * local 1180 * 1181 * address 1182 */ 1183 continue; 1184 } 1185 } 1186 if ((site_scope == 0) && 1187 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1188 continue; 1189 } 1190 if (actual + sizeof(struct sockaddr_in6) > limit) { 1191 return (actual); 1192 } 1193 memcpy(sas, sin6, sizeof(struct sockaddr_in6)); 1194 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1195 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1196 actual += sizeof(struct sockaddr_in6); 1197 } else { 1198 continue; 1199 } 1200 break; 1201#endif 1202 default: 1203 /* TSNH */ 1204 break; 1205 } 1206 } 1207 } 1208 } else { 1209 struct sctp_laddr *laddr; 1210 size_t sa_len; 1211 1212 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1213 if (stcb) { 1214 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1215 continue; 1216 } 1217 } 1218 sa_len = laddr->ifa->address.sa.sa_len; 1219 if (actual + sa_len > limit) { 1220 return (actual); 1221 } 1222 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1223 continue; 1224 switch (laddr->ifa->address.sa.sa_family) { 1225#ifdef INET 1226 case AF_INET: 1227 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1228 break; 1229#endif 1230#ifdef INET6 1231 case AF_INET6: 1232 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1233 break; 1234#endif 1235 default: 1236 /* TSNH */ 1237 break; 1238 } 1239 sas = (struct sockaddr_storage *)((caddr_t)sas + sa_len); 1240 actual += sa_len; 1241 } 1242 } 1243 return (actual); 1244} 1245 1246static size_t 1247sctp_fill_up_addresses(struct sctp_inpcb *inp, 1248 struct sctp_tcb *stcb, 1249 size_t limit, 1250 struct sockaddr_storage *sas) 1251{ 1252 size_t size = 0; 1253 1254 SCTP_IPI_ADDR_RLOCK(); 1255 /* fill up addresses for the endpoint's default vrf */ 1256 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1257 inp->def_vrf_id); 1258 SCTP_IPI_ADDR_RUNLOCK(); 1259 return (size); 1260} 1261 1262/* 1263 * NOTE: assumes addr lock is held 1264 */ 1265static int 1266sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1267{ 1268 int cnt = 0; 1269 struct sctp_vrf *vrf = NULL; 1270 1271 /* 1272 * In both sub-set bound an bound_all cases we return the MAXIMUM 1273 * number of addresses that you COULD get. In reality the sub-set 1274 * bound may have an exclusion list for a given TCB OR in the 1275 * bound-all case a TCB may NOT include the loopback or other 1276 * addresses as well. 1277 */ 1278 vrf = sctp_find_vrf(vrf_id); 1279 if (vrf == NULL) { 1280 return (0); 1281 } 1282 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1283 struct sctp_ifn *sctp_ifn; 1284 struct sctp_ifa *sctp_ifa; 1285 1286 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1287 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1288 /* Count them if they are the right type */ 1289 switch (sctp_ifa->address.sa.sa_family) { 1290#ifdef INET 1291 case AF_INET: 1292#ifdef INET6 1293 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1294 cnt += sizeof(struct sockaddr_in6); 1295 else 1296 cnt += sizeof(struct sockaddr_in); 1297#else 1298 cnt += sizeof(struct sockaddr_in); 1299#endif 1300 break; 1301#endif 1302#ifdef INET6 1303 case AF_INET6: 1304 cnt += sizeof(struct sockaddr_in6); 1305 break; 1306#endif 1307 default: 1308 break; 1309 } 1310 } 1311 } 1312 } else { 1313 struct sctp_laddr *laddr; 1314 1315 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1316 switch (laddr->ifa->address.sa.sa_family) { 1317#ifdef INET 1318 case AF_INET: 1319#ifdef INET6 1320 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1321 cnt += sizeof(struct sockaddr_in6); 1322 else 1323 cnt += sizeof(struct sockaddr_in); 1324#else 1325 cnt += sizeof(struct sockaddr_in); 1326#endif 1327 break; 1328#endif 1329#ifdef INET6 1330 case AF_INET6: 1331 cnt += sizeof(struct sockaddr_in6); 1332 break; 1333#endif 1334 default: 1335 break; 1336 } 1337 } 1338 } 1339 return (cnt); 1340} 1341 1342static int 1343sctp_count_max_addresses(struct sctp_inpcb *inp) 1344{ 1345 int cnt = 0; 1346 1347 SCTP_IPI_ADDR_RLOCK(); 1348 /* count addresses for the endpoint's default VRF */ 1349 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1350 SCTP_IPI_ADDR_RUNLOCK(); 1351 return (cnt); 1352} 1353 1354static int 1355sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1356 size_t optsize, void *p, int delay) 1357{ 1358 int error; 1359 int creat_lock_on = 0; 1360 struct sctp_tcb *stcb = NULL; 1361 struct sockaddr *sa; 1362 unsigned int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1363 uint32_t vrf_id; 1364 sctp_assoc_t *a_id; 1365 1366 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1367 1368 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1369 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1370 /* We are already connected AND the TCP model */ 1371 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1372 return (EADDRINUSE); 1373 } 1374 1375 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1376 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1377 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1378 return (EINVAL); 1379 } 1380 1381 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1382 SCTP_INP_RLOCK(inp); 1383 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1384 SCTP_INP_RUNLOCK(inp); 1385 } 1386 if (stcb) { 1387 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1388 return (EALREADY); 1389 } 1390 SCTP_INP_INCR_REF(inp); 1391 SCTP_ASOC_CREATE_LOCK(inp); 1392 creat_lock_on = 1; 1393 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1394 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1395 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1396 error = EFAULT; 1397 goto out_now; 1398 } 1399 totaddrp = (unsigned int *)optval; 1400 totaddr = *totaddrp; 1401 sa = (struct sockaddr *)(totaddrp + 1); 1402 error = sctp_connectx_helper_find(inp, sa, totaddr, &num_v4, &num_v6, (unsigned int)(optsize - sizeof(int))); 1403 if (error != 0) { 1404 /* Already have or am bring up an association */ 1405 SCTP_ASOC_CREATE_UNLOCK(inp); 1406 creat_lock_on = 0; 1407 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1408 goto out_now; 1409 } 1410#ifdef INET6 1411 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1412 (num_v6 > 0)) { 1413 error = EINVAL; 1414 goto out_now; 1415 } 1416 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1417 (num_v4 > 0)) { 1418 struct in6pcb *inp6; 1419 1420 inp6 = (struct in6pcb *)inp; 1421 if (SCTP_IPV6_V6ONLY(inp6)) { 1422 /* 1423 * if IPV6_V6ONLY flag, ignore connections destined 1424 * to a v4 addr or v4-mapped addr 1425 */ 1426 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1427 error = EINVAL; 1428 goto out_now; 1429 } 1430 } 1431#endif /* INET6 */ 1432 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1433 SCTP_PCB_FLAGS_UNBOUND) { 1434 /* Bind a ephemeral port */ 1435 error = sctp_inpcb_bind(so, NULL, NULL, p); 1436 if (error) { 1437 goto out_now; 1438 } 1439 } 1440 1441 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1442 vrf_id = inp->def_vrf_id; 1443 1444 1445 /* We are GOOD to go */ 1446 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1447 inp->sctp_ep.pre_open_stream_count, 1448 inp->sctp_ep.port, 1449 (struct thread *)p, 1450 SCTP_INITIALIZE_AUTH_PARAMS); 1451 if (stcb == NULL) { 1452 /* Gak! no memory */ 1453 goto out_now; 1454 } 1455 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1456 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1457 /* Set the connected flag so we can queue data */ 1458 soisconnecting(so); 1459 } 1460 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 1461 /* move to second address */ 1462 switch (sa->sa_family) { 1463#ifdef INET 1464 case AF_INET: 1465 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1466 break; 1467#endif 1468#ifdef INET6 1469 case AF_INET6: 1470 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1471 break; 1472#endif 1473 default: 1474 break; 1475 } 1476 1477 error = 0; 1478 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1479 /* Fill in the return id */ 1480 if (error) { 1481 goto out_now; 1482 } 1483 a_id = (sctp_assoc_t *)optval; 1484 *a_id = sctp_get_associd(stcb); 1485 1486 if (delay) { 1487 /* doing delayed connection */ 1488 stcb->asoc.delayed_connection = 1; 1489 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1490 } else { 1491 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1492 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1493 } 1494 SCTP_TCB_UNLOCK(stcb); 1495out_now: 1496 if (creat_lock_on) { 1497 SCTP_ASOC_CREATE_UNLOCK(inp); 1498 } 1499 SCTP_INP_DECR_REF(inp); 1500 return (error); 1501} 1502 1503#define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1504 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1505 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1506 SCTP_INP_RLOCK(inp); \ 1507 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1508 if (stcb) { \ 1509 SCTP_TCB_LOCK(stcb); \ 1510 } \ 1511 SCTP_INP_RUNLOCK(inp); \ 1512 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1513 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1514 if (stcb == NULL) { \ 1515 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1516 error = ENOENT; \ 1517 break; \ 1518 } \ 1519 } else { \ 1520 stcb = NULL; \ 1521 } \ 1522} 1523 1524 1525#define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1526 if (size < sizeof(type)) { \ 1527 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1528 error = EINVAL; \ 1529 break; \ 1530 } else { \ 1531 destp = (type *)srcp; \ 1532 } \ 1533} 1534 1535static int 1536sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1537 void *p) 1538{ 1539 struct sctp_inpcb *inp = NULL; 1540 int error, val = 0; 1541 struct sctp_tcb *stcb = NULL; 1542 1543 if (optval == NULL) { 1544 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1545 return (EINVAL); 1546 } 1547 1548 inp = (struct sctp_inpcb *)so->so_pcb; 1549 if (inp == NULL) { 1550 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1551 return EINVAL; 1552 } 1553 error = 0; 1554 1555 switch (optname) { 1556 case SCTP_NODELAY: 1557 case SCTP_AUTOCLOSE: 1558 case SCTP_EXPLICIT_EOR: 1559 case SCTP_AUTO_ASCONF: 1560 case SCTP_DISABLE_FRAGMENTS: 1561 case SCTP_I_WANT_MAPPED_V4_ADDR: 1562 case SCTP_USE_EXT_RCVINFO: 1563 SCTP_INP_RLOCK(inp); 1564 switch (optname) { 1565 case SCTP_DISABLE_FRAGMENTS: 1566 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1567 break; 1568 case SCTP_I_WANT_MAPPED_V4_ADDR: 1569 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1570 break; 1571 case SCTP_AUTO_ASCONF: 1572 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1573 /* only valid for bound all sockets */ 1574 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1575 } else { 1576 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1577 error = EINVAL; 1578 goto flags_out; 1579 } 1580 break; 1581 case SCTP_EXPLICIT_EOR: 1582 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1583 break; 1584 case SCTP_NODELAY: 1585 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1586 break; 1587 case SCTP_USE_EXT_RCVINFO: 1588 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1589 break; 1590 case SCTP_AUTOCLOSE: 1591 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1592 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1593 else 1594 val = 0; 1595 break; 1596 1597 default: 1598 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1599 error = ENOPROTOOPT; 1600 } /* end switch (sopt->sopt_name) */ 1601 if (*optsize < sizeof(val)) { 1602 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1603 error = EINVAL; 1604 } 1605flags_out: 1606 SCTP_INP_RUNLOCK(inp); 1607 if (error == 0) { 1608 /* return the option value */ 1609 *(int *)optval = val; 1610 *optsize = sizeof(val); 1611 } 1612 break; 1613 case SCTP_GET_PACKET_LOG: 1614 { 1615#ifdef SCTP_PACKET_LOGGING 1616 uint8_t *target; 1617 int ret; 1618 1619 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1620 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1621 *optsize = ret; 1622#else 1623 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1624 error = EOPNOTSUPP; 1625#endif 1626 break; 1627 } 1628 case SCTP_REUSE_PORT: 1629 { 1630 uint32_t *value; 1631 1632 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1633 /* Can't do this for a 1-m socket */ 1634 error = EINVAL; 1635 break; 1636 } 1637 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1638 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1639 *optsize = sizeof(uint32_t); 1640 break; 1641 } 1642 case SCTP_PARTIAL_DELIVERY_POINT: 1643 { 1644 uint32_t *value; 1645 1646 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1647 *value = inp->partial_delivery_point; 1648 *optsize = sizeof(uint32_t); 1649 break; 1650 } 1651 case SCTP_FRAGMENT_INTERLEAVE: 1652 { 1653 uint32_t *value; 1654 1655 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1656 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1657 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1658 *value = SCTP_FRAG_LEVEL_2; 1659 } else { 1660 *value = SCTP_FRAG_LEVEL_1; 1661 } 1662 } else { 1663 *value = SCTP_FRAG_LEVEL_0; 1664 } 1665 *optsize = sizeof(uint32_t); 1666 break; 1667 } 1668 case SCTP_INTERLEAVING_SUPPORTED: 1669 { 1670 struct sctp_assoc_value *av; 1671 1672 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1673 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1674 1675 if (stcb) { 1676 av->assoc_value = stcb->asoc.idata_supported; 1677 SCTP_TCB_UNLOCK(stcb); 1678 } else { 1679 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1680 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1681 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1682 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1683 SCTP_INP_RLOCK(inp); 1684 if (inp->idata_supported) { 1685 av->assoc_value = 1; 1686 } else { 1687 av->assoc_value = 0; 1688 } 1689 SCTP_INP_RUNLOCK(inp); 1690 } else { 1691 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1692 error = EINVAL; 1693 } 1694 } 1695 if (error == 0) { 1696 *optsize = sizeof(struct sctp_assoc_value); 1697 } 1698 break; 1699 } 1700 case SCTP_CMT_ON_OFF: 1701 { 1702 struct sctp_assoc_value *av; 1703 1704 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1705 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1706 if (stcb) { 1707 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1708 SCTP_TCB_UNLOCK(stcb); 1709 } else { 1710 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1711 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1712 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1713 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1714 SCTP_INP_RLOCK(inp); 1715 av->assoc_value = inp->sctp_cmt_on_off; 1716 SCTP_INP_RUNLOCK(inp); 1717 } else { 1718 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1719 error = EINVAL; 1720 } 1721 } 1722 if (error == 0) { 1723 *optsize = sizeof(struct sctp_assoc_value); 1724 } 1725 break; 1726 } 1727 case SCTP_PLUGGABLE_CC: 1728 { 1729 struct sctp_assoc_value *av; 1730 1731 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1732 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1733 if (stcb) { 1734 av->assoc_value = stcb->asoc.congestion_control_module; 1735 SCTP_TCB_UNLOCK(stcb); 1736 } else { 1737 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1738 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1739 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1740 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1741 SCTP_INP_RLOCK(inp); 1742 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1743 SCTP_INP_RUNLOCK(inp); 1744 } else { 1745 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1746 error = EINVAL; 1747 } 1748 } 1749 if (error == 0) { 1750 *optsize = sizeof(struct sctp_assoc_value); 1751 } 1752 break; 1753 } 1754 case SCTP_CC_OPTION: 1755 { 1756 struct sctp_cc_option *cc_opt; 1757 1758 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1759 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1760 if (stcb == NULL) { 1761 error = EINVAL; 1762 } else { 1763 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1764 error = ENOTSUP; 1765 } else { 1766 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1767 *optsize = sizeof(struct sctp_cc_option); 1768 } 1769 SCTP_TCB_UNLOCK(stcb); 1770 } 1771 break; 1772 } 1773 case SCTP_PLUGGABLE_SS: 1774 { 1775 struct sctp_assoc_value *av; 1776 1777 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1778 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1779 if (stcb) { 1780 av->assoc_value = stcb->asoc.stream_scheduling_module; 1781 SCTP_TCB_UNLOCK(stcb); 1782 } else { 1783 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1784 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1785 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1786 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1787 SCTP_INP_RLOCK(inp); 1788 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1789 SCTP_INP_RUNLOCK(inp); 1790 } else { 1791 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1792 error = EINVAL; 1793 } 1794 } 1795 if (error == 0) { 1796 *optsize = sizeof(struct sctp_assoc_value); 1797 } 1798 break; 1799 } 1800 case SCTP_SS_VALUE: 1801 { 1802 struct sctp_stream_value *av; 1803 1804 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1805 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1806 if (stcb) { 1807 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 1808 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1809 &av->stream_value) < 0)) { 1810 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1811 error = EINVAL; 1812 } else { 1813 *optsize = sizeof(struct sctp_stream_value); 1814 } 1815 SCTP_TCB_UNLOCK(stcb); 1816 } else { 1817 /* 1818 * Can't get stream value without 1819 * association 1820 */ 1821 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1822 error = EINVAL; 1823 } 1824 break; 1825 } 1826 case SCTP_GET_ADDR_LEN: 1827 { 1828 struct sctp_assoc_value *av; 1829 1830 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1831 error = EINVAL; 1832#ifdef INET 1833 if (av->assoc_value == AF_INET) { 1834 av->assoc_value = sizeof(struct sockaddr_in); 1835 error = 0; 1836 } 1837#endif 1838#ifdef INET6 1839 if (av->assoc_value == AF_INET6) { 1840 av->assoc_value = sizeof(struct sockaddr_in6); 1841 error = 0; 1842 } 1843#endif 1844 if (error) { 1845 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1846 } else { 1847 *optsize = sizeof(struct sctp_assoc_value); 1848 } 1849 break; 1850 } 1851 case SCTP_GET_ASSOC_NUMBER: 1852 { 1853 uint32_t *value, cnt; 1854 1855 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1856 SCTP_INP_RLOCK(inp); 1857 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1858 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1859 /* Can't do this for a 1-1 socket */ 1860 error = EINVAL; 1861 SCTP_INP_RUNLOCK(inp); 1862 break; 1863 } 1864 cnt = 0; 1865 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1866 cnt++; 1867 } 1868 SCTP_INP_RUNLOCK(inp); 1869 *value = cnt; 1870 *optsize = sizeof(uint32_t); 1871 break; 1872 } 1873 case SCTP_GET_ASSOC_ID_LIST: 1874 { 1875 struct sctp_assoc_ids *ids; 1876 uint32_t at; 1877 size_t limit; 1878 1879 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1880 SCTP_INP_RLOCK(inp); 1881 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1882 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1883 /* Can't do this for a 1-1 socket */ 1884 error = EINVAL; 1885 SCTP_INP_RUNLOCK(inp); 1886 break; 1887 } 1888 at = 0; 1889 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1890 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1891 if (at < limit) { 1892 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1893 if (at == 0) { 1894 error = EINVAL; 1895 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1896 break; 1897 } 1898 } else { 1899 error = EINVAL; 1900 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1901 break; 1902 } 1903 } 1904 SCTP_INP_RUNLOCK(inp); 1905 if (error == 0) { 1906 ids->gaids_number_of_ids = at; 1907 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1908 } 1909 break; 1910 } 1911 case SCTP_CONTEXT: 1912 { 1913 struct sctp_assoc_value *av; 1914 1915 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1916 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1917 1918 if (stcb) { 1919 av->assoc_value = stcb->asoc.context; 1920 SCTP_TCB_UNLOCK(stcb); 1921 } else { 1922 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1923 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1924 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1925 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1926 SCTP_INP_RLOCK(inp); 1927 av->assoc_value = inp->sctp_context; 1928 SCTP_INP_RUNLOCK(inp); 1929 } else { 1930 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1931 error = EINVAL; 1932 } 1933 } 1934 if (error == 0) { 1935 *optsize = sizeof(struct sctp_assoc_value); 1936 } 1937 break; 1938 } 1939 case SCTP_VRF_ID: 1940 { 1941 uint32_t *default_vrfid; 1942 1943 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1944 *default_vrfid = inp->def_vrf_id; 1945 *optsize = sizeof(uint32_t); 1946 break; 1947 } 1948 case SCTP_GET_ASOC_VRF: 1949 { 1950 struct sctp_assoc_value *id; 1951 1952 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1953 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1954 if (stcb == NULL) { 1955 error = EINVAL; 1956 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1957 } else { 1958 id->assoc_value = stcb->asoc.vrf_id; 1959 SCTP_TCB_UNLOCK(stcb); 1960 *optsize = sizeof(struct sctp_assoc_value); 1961 } 1962 break; 1963 } 1964 case SCTP_GET_VRF_IDS: 1965 { 1966 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1967 error = EOPNOTSUPP; 1968 break; 1969 } 1970 case SCTP_GET_NONCE_VALUES: 1971 { 1972 struct sctp_get_nonce_values *gnv; 1973 1974 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 1975 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 1976 1977 if (stcb) { 1978 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 1979 gnv->gn_local_tag = stcb->asoc.my_vtag; 1980 SCTP_TCB_UNLOCK(stcb); 1981 *optsize = sizeof(struct sctp_get_nonce_values); 1982 } else { 1983 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 1984 error = ENOTCONN; 1985 } 1986 break; 1987 } 1988 case SCTP_DELAYED_SACK: 1989 { 1990 struct sctp_sack_info *sack; 1991 1992 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 1993 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 1994 if (stcb) { 1995 sack->sack_delay = stcb->asoc.delayed_ack; 1996 sack->sack_freq = stcb->asoc.sack_freq; 1997 SCTP_TCB_UNLOCK(stcb); 1998 } else { 1999 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2000 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2001 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2002 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC))) { 2003 SCTP_INP_RLOCK(inp); 2004 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2005 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2006 SCTP_INP_RUNLOCK(inp); 2007 } else { 2008 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2009 error = EINVAL; 2010 } 2011 } 2012 if (error == 0) { 2013 *optsize = sizeof(struct sctp_sack_info); 2014 } 2015 break; 2016 } 2017 case SCTP_GET_SNDBUF_USE: 2018 { 2019 struct sctp_sockstat *ss; 2020 2021 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2022 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2023 2024 if (stcb) { 2025 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2026 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2027 stcb->asoc.size_on_all_streams); 2028 SCTP_TCB_UNLOCK(stcb); 2029 *optsize = sizeof(struct sctp_sockstat); 2030 } else { 2031 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2032 error = ENOTCONN; 2033 } 2034 break; 2035 } 2036 case SCTP_MAX_BURST: 2037 { 2038 struct sctp_assoc_value *av; 2039 2040 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2041 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2042 2043 if (stcb) { 2044 av->assoc_value = stcb->asoc.max_burst; 2045 SCTP_TCB_UNLOCK(stcb); 2046 } else { 2047 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2048 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2049 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2050 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 2051 SCTP_INP_RLOCK(inp); 2052 av->assoc_value = inp->sctp_ep.max_burst; 2053 SCTP_INP_RUNLOCK(inp); 2054 } else { 2055 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2056 error = EINVAL; 2057 } 2058 } 2059 if (error == 0) { 2060 *optsize = sizeof(struct sctp_assoc_value); 2061 } 2062 break; 2063 } 2064 case SCTP_MAXSEG: 2065 { 2066 struct sctp_assoc_value *av; 2067 int ovh; 2068 2069 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2070 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2071 2072 if (stcb) { 2073 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2074 SCTP_TCB_UNLOCK(stcb); 2075 } else { 2076 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2077 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2078 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2079 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 2080 SCTP_INP_RLOCK(inp); 2081 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2082 ovh = SCTP_MED_OVERHEAD; 2083 } else { 2084 ovh = SCTP_MED_V4_OVERHEAD; 2085 } 2086 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2087 av->assoc_value = 0; 2088 else 2089 av->assoc_value = inp->sctp_frag_point - ovh; 2090 SCTP_INP_RUNLOCK(inp); 2091 } else { 2092 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2093 error = EINVAL; 2094 } 2095 } 2096 if (error == 0) { 2097 *optsize = sizeof(struct sctp_assoc_value); 2098 } 2099 break; 2100 } 2101 case SCTP_GET_STAT_LOG: 2102 error = sctp_fill_stat_log(optval, optsize); 2103 break; 2104 case SCTP_EVENTS: 2105 { 2106 struct sctp_event_subscribe *events; 2107 2108 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2109 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2110 SCTP_INP_RLOCK(inp); 2111 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2112 events->sctp_data_io_event = 1; 2113 2114 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2115 events->sctp_association_event = 1; 2116 2117 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2118 events->sctp_address_event = 1; 2119 2120 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2121 events->sctp_send_failure_event = 1; 2122 2123 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2124 events->sctp_peer_error_event = 1; 2125 2126 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2127 events->sctp_shutdown_event = 1; 2128 2129 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2130 events->sctp_partial_delivery_event = 1; 2131 2132 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2133 events->sctp_adaptation_layer_event = 1; 2134 2135 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2136 events->sctp_authentication_event = 1; 2137 2138 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2139 events->sctp_sender_dry_event = 1; 2140 2141 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2142 events->sctp_stream_reset_event = 1; 2143 SCTP_INP_RUNLOCK(inp); 2144 *optsize = sizeof(struct sctp_event_subscribe); 2145 break; 2146 } 2147 case SCTP_ADAPTATION_LAYER: 2148 { 2149 uint32_t *value; 2150 2151 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2152 2153 SCTP_INP_RLOCK(inp); 2154 *value = inp->sctp_ep.adaptation_layer_indicator; 2155 SCTP_INP_RUNLOCK(inp); 2156 *optsize = sizeof(uint32_t); 2157 break; 2158 } 2159 case SCTP_SET_INITIAL_DBG_SEQ: 2160 { 2161 uint32_t *value; 2162 2163 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2164 SCTP_INP_RLOCK(inp); 2165 *value = inp->sctp_ep.initial_sequence_debug; 2166 SCTP_INP_RUNLOCK(inp); 2167 *optsize = sizeof(uint32_t); 2168 break; 2169 } 2170 case SCTP_GET_LOCAL_ADDR_SIZE: 2171 { 2172 uint32_t *value; 2173 2174 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2175 SCTP_INP_RLOCK(inp); 2176 *value = sctp_count_max_addresses(inp); 2177 SCTP_INP_RUNLOCK(inp); 2178 *optsize = sizeof(uint32_t); 2179 break; 2180 } 2181 case SCTP_GET_REMOTE_ADDR_SIZE: 2182 { 2183 uint32_t *value; 2184 size_t size; 2185 struct sctp_nets *net; 2186 2187 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2188 /* FIXME MT: change to sctp_assoc_value? */ 2189 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 2190 2191 if (stcb) { 2192 size = 0; 2193 /* Count the sizes */ 2194 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2195 switch (net->ro._l_addr.sa.sa_family) { 2196#ifdef INET 2197 case AF_INET: 2198#ifdef INET6 2199 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2200 size += sizeof(struct sockaddr_in6); 2201 } else { 2202 size += sizeof(struct sockaddr_in); 2203 } 2204#else 2205 size += sizeof(struct sockaddr_in); 2206#endif 2207 break; 2208#endif 2209#ifdef INET6 2210 case AF_INET6: 2211 size += sizeof(struct sockaddr_in6); 2212 break; 2213#endif 2214 default: 2215 break; 2216 } 2217 } 2218 SCTP_TCB_UNLOCK(stcb); 2219 *value = (uint32_t)size; 2220 *optsize = sizeof(uint32_t); 2221 } else { 2222 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2223 error = ENOTCONN; 2224 } 2225 break; 2226 } 2227 case SCTP_GET_PEER_ADDRESSES: 2228 /* 2229 * Get the address information, an array is passed in to 2230 * fill up we pack it. 2231 */ 2232 { 2233 size_t cpsz, left; 2234 struct sockaddr_storage *sas; 2235 struct sctp_nets *net; 2236 struct sctp_getaddresses *saddr; 2237 2238 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2239 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2240 2241 if (stcb) { 2242 left = (*optsize) - sizeof(sctp_assoc_t); 2243 *optsize = sizeof(sctp_assoc_t); 2244 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2245 2246 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2247 switch (net->ro._l_addr.sa.sa_family) { 2248#ifdef INET 2249 case AF_INET: 2250#ifdef INET6 2251 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2252 cpsz = sizeof(struct sockaddr_in6); 2253 } else { 2254 cpsz = sizeof(struct sockaddr_in); 2255 } 2256#else 2257 cpsz = sizeof(struct sockaddr_in); 2258#endif 2259 break; 2260#endif 2261#ifdef INET6 2262 case AF_INET6: 2263 cpsz = sizeof(struct sockaddr_in6); 2264 break; 2265#endif 2266 default: 2267 cpsz = 0; 2268 break; 2269 } 2270 if (cpsz == 0) { 2271 break; 2272 } 2273 if (left < cpsz) { 2274 /* not enough room. */ 2275 break; 2276 } 2277#if defined(INET) && defined(INET6) 2278 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2279 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2280 /* Must map the address */ 2281 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2282 (struct sockaddr_in6 *)sas); 2283 } else { 2284 memcpy(sas, &net->ro._l_addr, cpsz); 2285 } 2286#else 2287 memcpy(sas, &net->ro._l_addr, cpsz); 2288#endif 2289 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2290 2291 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2292 left -= cpsz; 2293 *optsize += cpsz; 2294 } 2295 SCTP_TCB_UNLOCK(stcb); 2296 } else { 2297 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2298 error = ENOENT; 2299 } 2300 break; 2301 } 2302 case SCTP_GET_LOCAL_ADDRESSES: 2303 { 2304 size_t limit, actual; 2305 struct sockaddr_storage *sas; 2306 struct sctp_getaddresses *saddr; 2307 2308 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2309 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2310 2311 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2312 limit = *optsize - sizeof(sctp_assoc_t); 2313 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2314 if (stcb) { 2315 SCTP_TCB_UNLOCK(stcb); 2316 } 2317 *optsize = sizeof(sctp_assoc_t) + actual; 2318 break; 2319 } 2320 case SCTP_PEER_ADDR_PARAMS: 2321 { 2322 struct sctp_paddrparams *paddrp; 2323 struct sctp_nets *net; 2324 struct sockaddr *addr; 2325#if defined(INET) && defined(INET6) 2326 struct sockaddr_in sin_store; 2327#endif 2328 2329 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2330 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2331 2332#if defined(INET) && defined(INET6) 2333 if (paddrp->spp_address.ss_family == AF_INET6) { 2334 struct sockaddr_in6 *sin6; 2335 2336 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2337 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2338 in6_sin6_2_sin(&sin_store, sin6); 2339 addr = (struct sockaddr *)&sin_store; 2340 } else { 2341 addr = (struct sockaddr *)&paddrp->spp_address; 2342 } 2343 } else { 2344 addr = (struct sockaddr *)&paddrp->spp_address; 2345 } 2346#else 2347 addr = (struct sockaddr *)&paddrp->spp_address; 2348#endif 2349 if (stcb != NULL) { 2350 net = sctp_findnet(stcb, addr); 2351 } else { 2352 /* 2353 * We increment here since 2354 * sctp_findassociation_ep_addr() wil do a 2355 * decrement if it finds the stcb as long as 2356 * the locked tcb (last argument) is NOT a 2357 * TCB.. aka NULL. 2358 */ 2359 net = NULL; 2360 SCTP_INP_INCR_REF(inp); 2361 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2362 if (stcb == NULL) { 2363 SCTP_INP_DECR_REF(inp); 2364 } 2365 } 2366 if ((stcb != NULL) && (net == NULL)) { 2367#ifdef INET 2368 if (addr->sa_family == AF_INET) { 2369 struct sockaddr_in *sin; 2370 2371 sin = (struct sockaddr_in *)addr; 2372 if (sin->sin_addr.s_addr != INADDR_ANY) { 2373 error = EINVAL; 2374 SCTP_TCB_UNLOCK(stcb); 2375 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2376 break; 2377 } 2378 } else 2379#endif 2380#ifdef INET6 2381 if (addr->sa_family == AF_INET6) { 2382 struct sockaddr_in6 *sin6; 2383 2384 sin6 = (struct sockaddr_in6 *)addr; 2385 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2386 error = EINVAL; 2387 SCTP_TCB_UNLOCK(stcb); 2388 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2389 break; 2390 } 2391 } else 2392#endif 2393 { 2394 error = EAFNOSUPPORT; 2395 SCTP_TCB_UNLOCK(stcb); 2396 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2397 break; 2398 } 2399 } 2400 2401 if (stcb != NULL) { 2402 /* Applies to the specific association */ 2403 paddrp->spp_flags = 0; 2404 if (net != NULL) { 2405 paddrp->spp_hbinterval = net->heart_beat_delay; 2406 paddrp->spp_pathmaxrxt = net->failure_threshold; 2407 paddrp->spp_pathmtu = net->mtu; 2408 switch (net->ro._l_addr.sa.sa_family) { 2409#ifdef INET 2410 case AF_INET: 2411 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2412 break; 2413#endif 2414#ifdef INET6 2415 case AF_INET6: 2416 paddrp->spp_pathmtu -= SCTP_MIN_OVERHEAD; 2417 break; 2418#endif 2419 default: 2420 break; 2421 } 2422 /* get flags for HB */ 2423 if (net->dest_state & SCTP_ADDR_NOHB) { 2424 paddrp->spp_flags |= SPP_HB_DISABLE; 2425 } else { 2426 paddrp->spp_flags |= SPP_HB_ENABLE; 2427 } 2428 /* get flags for PMTU */ 2429 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2430 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2431 } else { 2432 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2433 } 2434 if (net->dscp & 0x01) { 2435 paddrp->spp_dscp = net->dscp & 0xfc; 2436 paddrp->spp_flags |= SPP_DSCP; 2437 } 2438#ifdef INET6 2439 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2440 (net->flowlabel & 0x80000000)) { 2441 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2442 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2443 } 2444#endif 2445 } else { 2446 /* 2447 * No destination so return default 2448 * value 2449 */ 2450 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2451 paddrp->spp_pathmtu = stcb->asoc.default_mtu; 2452 if (stcb->asoc.default_dscp & 0x01) { 2453 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2454 paddrp->spp_flags |= SPP_DSCP; 2455 } 2456#ifdef INET6 2457 if (stcb->asoc.default_flowlabel & 0x80000000) { 2458 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2459 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2460 } 2461#endif 2462 /* default settings should be these */ 2463 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2464 paddrp->spp_flags |= SPP_HB_DISABLE; 2465 } else { 2466 paddrp->spp_flags |= SPP_HB_ENABLE; 2467 } 2468 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2469 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2470 } else { 2471 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2472 } 2473 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2474 } 2475 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2476 SCTP_TCB_UNLOCK(stcb); 2477 } else { 2478 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2479 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2480 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2481 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) { 2482 /* Use endpoint defaults */ 2483 SCTP_INP_RLOCK(inp); 2484 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2485 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2486 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2487 /* get inp's default */ 2488 if (inp->sctp_ep.default_dscp & 0x01) { 2489 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2490 paddrp->spp_flags |= SPP_DSCP; 2491 } 2492#ifdef INET6 2493 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2494 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2495 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2496 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2497 } 2498#endif 2499 paddrp->spp_pathmtu = inp->sctp_ep.default_mtu; 2500 2501 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2502 paddrp->spp_flags |= SPP_HB_ENABLE; 2503 } else { 2504 paddrp->spp_flags |= SPP_HB_DISABLE; 2505 } 2506 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2507 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2508 } else { 2509 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2510 } 2511 SCTP_INP_RUNLOCK(inp); 2512 } else { 2513 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2514 error = EINVAL; 2515 } 2516 } 2517 if (error == 0) { 2518 *optsize = sizeof(struct sctp_paddrparams); 2519 } 2520 break; 2521 } 2522 case SCTP_GET_PEER_ADDR_INFO: 2523 { 2524 struct sctp_paddrinfo *paddri; 2525 struct sctp_nets *net; 2526 struct sockaddr *addr; 2527#if defined(INET) && defined(INET6) 2528 struct sockaddr_in sin_store; 2529#endif 2530 2531 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2532 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2533 2534#if defined(INET) && defined(INET6) 2535 if (paddri->spinfo_address.ss_family == AF_INET6) { 2536 struct sockaddr_in6 *sin6; 2537 2538 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2539 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2540 in6_sin6_2_sin(&sin_store, sin6); 2541 addr = (struct sockaddr *)&sin_store; 2542 } else { 2543 addr = (struct sockaddr *)&paddri->spinfo_address; 2544 } 2545 } else { 2546 addr = (struct sockaddr *)&paddri->spinfo_address; 2547 } 2548#else 2549 addr = (struct sockaddr *)&paddri->spinfo_address; 2550#endif 2551 if (stcb != NULL) { 2552 net = sctp_findnet(stcb, addr); 2553 } else { 2554 /* 2555 * We increment here since 2556 * sctp_findassociation_ep_addr() wil do a 2557 * decrement if it finds the stcb as long as 2558 * the locked tcb (last argument) is NOT a 2559 * TCB.. aka NULL. 2560 */ 2561 net = NULL; 2562 SCTP_INP_INCR_REF(inp); 2563 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2564 if (stcb == NULL) { 2565 SCTP_INP_DECR_REF(inp); 2566 } 2567 } 2568 2569 if ((stcb != NULL) && (net != NULL)) { 2570 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2571 /* It's unconfirmed */ 2572 paddri->spinfo_state = SCTP_UNCONFIRMED; 2573 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2574 /* It's active */ 2575 paddri->spinfo_state = SCTP_ACTIVE; 2576 } else { 2577 /* It's inactive */ 2578 paddri->spinfo_state = SCTP_INACTIVE; 2579 } 2580 paddri->spinfo_cwnd = net->cwnd; 2581 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2582 paddri->spinfo_rto = net->RTO; 2583 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2584 paddri->spinfo_mtu = net->mtu; 2585 switch (addr->sa_family) { 2586#if defined(INET) 2587 case AF_INET: 2588 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2589 break; 2590#endif 2591#if defined(INET6) 2592 case AF_INET6: 2593 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD; 2594 break; 2595#endif 2596 default: 2597 break; 2598 } 2599 SCTP_TCB_UNLOCK(stcb); 2600 *optsize = sizeof(struct sctp_paddrinfo); 2601 } else { 2602 if (stcb != NULL) { 2603 SCTP_TCB_UNLOCK(stcb); 2604 } 2605 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2606 error = ENOENT; 2607 } 2608 break; 2609 } 2610 case SCTP_PCB_STATUS: 2611 { 2612 struct sctp_pcbinfo *spcb; 2613 2614 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2615 sctp_fill_pcbinfo(spcb); 2616 *optsize = sizeof(struct sctp_pcbinfo); 2617 break; 2618 } 2619 case SCTP_STATUS: 2620 { 2621 struct sctp_nets *net; 2622 struct sctp_status *sstat; 2623 2624 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2625 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2626 2627 if (stcb == NULL) { 2628 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2629 error = EINVAL; 2630 break; 2631 } 2632 sstat->sstat_state = sctp_map_assoc_state(stcb->asoc.state); 2633 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2634 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2635 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2636 /* 2637 * We can't include chunks that have been passed to 2638 * the socket layer. Only things in queue. 2639 */ 2640 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2641 stcb->asoc.cnt_on_all_streams); 2642 2643 2644 sstat->sstat_instrms = stcb->asoc.streamincnt; 2645 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2646 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2647 net = stcb->asoc.primary_destination; 2648 if (net != NULL) { 2649 memcpy(&sstat->sstat_primary.spinfo_address, 2650 &stcb->asoc.primary_destination->ro._l_addr, 2651 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2652 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2653 /* 2654 * Again the user can get info from 2655 * sctp_constants.h for what the state of 2656 * the network is. 2657 */ 2658 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2659 /* It's unconfirmed */ 2660 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2661 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2662 /* It's active */ 2663 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2664 } else { 2665 /* It's inactive */ 2666 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2667 } 2668 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2669 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2670 sstat->sstat_primary.spinfo_rto = net->RTO; 2671 sstat->sstat_primary.spinfo_mtu = net->mtu; 2672 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) { 2673#if defined(INET) 2674 case AF_INET: 2675 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2676 break; 2677#endif 2678#if defined(INET6) 2679 case AF_INET6: 2680 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD; 2681 break; 2682#endif 2683 default: 2684 break; 2685 } 2686 } else { 2687 memset(&sstat->sstat_primary, 0, sizeof(struct sctp_paddrinfo)); 2688 } 2689 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2690 SCTP_TCB_UNLOCK(stcb); 2691 *optsize = sizeof(struct sctp_status); 2692 break; 2693 } 2694 case SCTP_RTOINFO: 2695 { 2696 struct sctp_rtoinfo *srto; 2697 2698 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2699 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2700 2701 if (stcb) { 2702 srto->srto_initial = stcb->asoc.initial_rto; 2703 srto->srto_max = stcb->asoc.maxrto; 2704 srto->srto_min = stcb->asoc.minrto; 2705 SCTP_TCB_UNLOCK(stcb); 2706 } else { 2707 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2708 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2709 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2710 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) { 2711 SCTP_INP_RLOCK(inp); 2712 srto->srto_initial = inp->sctp_ep.initial_rto; 2713 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2714 srto->srto_min = inp->sctp_ep.sctp_minrto; 2715 SCTP_INP_RUNLOCK(inp); 2716 } else { 2717 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2718 error = EINVAL; 2719 } 2720 } 2721 if (error == 0) { 2722 *optsize = sizeof(struct sctp_rtoinfo); 2723 } 2724 break; 2725 } 2726 case SCTP_TIMEOUTS: 2727 { 2728 struct sctp_timeouts *stimo; 2729 2730 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2731 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2732 2733 if (stcb) { 2734 stimo->stimo_init = stcb->asoc.timoinit; 2735 stimo->stimo_data = stcb->asoc.timodata; 2736 stimo->stimo_sack = stcb->asoc.timosack; 2737 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2738 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2739 stimo->stimo_cookie = stcb->asoc.timocookie; 2740 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2741 SCTP_TCB_UNLOCK(stcb); 2742 *optsize = sizeof(struct sctp_timeouts); 2743 } else { 2744 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2745 error = EINVAL; 2746 } 2747 break; 2748 } 2749 case SCTP_ASSOCINFO: 2750 { 2751 struct sctp_assocparams *sasoc; 2752 2753 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2754 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2755 2756 if (stcb) { 2757 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2758 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2759 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2760 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2761 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2762 SCTP_TCB_UNLOCK(stcb); 2763 } else { 2764 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2765 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2766 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2767 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) { 2768 SCTP_INP_RLOCK(inp); 2769 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2770 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2771 sasoc->sasoc_number_peer_destinations = 0; 2772 sasoc->sasoc_peer_rwnd = 0; 2773 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2774 SCTP_INP_RUNLOCK(inp); 2775 } else { 2776 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2777 error = EINVAL; 2778 } 2779 } 2780 if (error == 0) { 2781 *optsize = sizeof(struct sctp_assocparams); 2782 } 2783 break; 2784 } 2785 case SCTP_DEFAULT_SEND_PARAM: 2786 { 2787 struct sctp_sndrcvinfo *s_info; 2788 2789 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2790 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2791 2792 if (stcb) { 2793 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2794 SCTP_TCB_UNLOCK(stcb); 2795 } else { 2796 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2797 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2798 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2799 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC))) { 2800 SCTP_INP_RLOCK(inp); 2801 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2802 SCTP_INP_RUNLOCK(inp); 2803 } else { 2804 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2805 error = EINVAL; 2806 } 2807 } 2808 if (error == 0) { 2809 *optsize = sizeof(struct sctp_sndrcvinfo); 2810 } 2811 break; 2812 } 2813 case SCTP_INITMSG: 2814 { 2815 struct sctp_initmsg *sinit; 2816 2817 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2818 SCTP_INP_RLOCK(inp); 2819 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2820 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2821 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2822 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2823 SCTP_INP_RUNLOCK(inp); 2824 *optsize = sizeof(struct sctp_initmsg); 2825 break; 2826 } 2827 case SCTP_PRIMARY_ADDR: 2828 /* we allow a "get" operation on this */ 2829 { 2830 struct sctp_setprim *ssp; 2831 2832 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2833 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2834 2835 if (stcb) { 2836 union sctp_sockstore *addr; 2837 2838 addr = &stcb->asoc.primary_destination->ro._l_addr; 2839 switch (addr->sa.sa_family) { 2840#ifdef INET 2841 case AF_INET: 2842#ifdef INET6 2843 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2844 in6_sin_2_v4mapsin6(&addr->sin, 2845 (struct sockaddr_in6 *)&ssp->ssp_addr); 2846 } else { 2847 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2848 } 2849#else 2850 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2851#endif 2852 break; 2853#endif 2854#ifdef INET6 2855 case AF_INET6: 2856 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2857 break; 2858#endif 2859 default: 2860 break; 2861 } 2862 SCTP_TCB_UNLOCK(stcb); 2863 *optsize = sizeof(struct sctp_setprim); 2864 } else { 2865 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2866 error = EINVAL; 2867 } 2868 break; 2869 } 2870 case SCTP_HMAC_IDENT: 2871 { 2872 struct sctp_hmacalgo *shmac; 2873 sctp_hmaclist_t *hmaclist; 2874 uint32_t size; 2875 int i; 2876 2877 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2878 2879 SCTP_INP_RLOCK(inp); 2880 hmaclist = inp->sctp_ep.local_hmacs; 2881 if (hmaclist == NULL) { 2882 /* no HMACs to return */ 2883 *optsize = sizeof(*shmac); 2884 SCTP_INP_RUNLOCK(inp); 2885 break; 2886 } 2887 /* is there room for all of the hmac ids? */ 2888 size = sizeof(*shmac) + (hmaclist->num_algo * 2889 sizeof(shmac->shmac_idents[0])); 2890 if ((size_t)(*optsize) < size) { 2891 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2892 error = EINVAL; 2893 SCTP_INP_RUNLOCK(inp); 2894 break; 2895 } 2896 /* copy in the list */ 2897 shmac->shmac_number_of_idents = hmaclist->num_algo; 2898 for (i = 0; i < hmaclist->num_algo; i++) { 2899 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2900 } 2901 SCTP_INP_RUNLOCK(inp); 2902 *optsize = size; 2903 break; 2904 } 2905 case SCTP_AUTH_ACTIVE_KEY: 2906 { 2907 struct sctp_authkeyid *scact; 2908 2909 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2910 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2911 2912 if (stcb) { 2913 /* get the active key on the assoc */ 2914 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2915 SCTP_TCB_UNLOCK(stcb); 2916 } else { 2917 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2918 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2919 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2920 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC))) { 2921 /* get the endpoint active key */ 2922 SCTP_INP_RLOCK(inp); 2923 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2924 SCTP_INP_RUNLOCK(inp); 2925 } else { 2926 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2927 error = EINVAL; 2928 } 2929 } 2930 if (error == 0) { 2931 *optsize = sizeof(struct sctp_authkeyid); 2932 } 2933 break; 2934 } 2935 case SCTP_LOCAL_AUTH_CHUNKS: 2936 { 2937 struct sctp_authchunks *sac; 2938 sctp_auth_chklist_t *chklist = NULL; 2939 size_t size = 0; 2940 2941 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2942 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2943 2944 if (stcb) { 2945 /* get off the assoc */ 2946 chklist = stcb->asoc.local_auth_chunks; 2947 /* is there enough space? */ 2948 size = sctp_auth_get_chklist_size(chklist); 2949 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2950 error = EINVAL; 2951 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2952 } else { 2953 /* copy in the chunks */ 2954 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2955 sac->gauth_number_of_chunks = (uint32_t)size; 2956 *optsize = sizeof(struct sctp_authchunks) + size; 2957 } 2958 SCTP_TCB_UNLOCK(stcb); 2959 } else { 2960 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2961 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2962 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2963 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC))) { 2964 /* get off the endpoint */ 2965 SCTP_INP_RLOCK(inp); 2966 chklist = inp->sctp_ep.local_auth_chunks; 2967 /* is there enough space? */ 2968 size = sctp_auth_get_chklist_size(chklist); 2969 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2970 error = EINVAL; 2971 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2972 } else { 2973 /* copy in the chunks */ 2974 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2975 sac->gauth_number_of_chunks = (uint32_t)size; 2976 *optsize = sizeof(struct sctp_authchunks) + size; 2977 } 2978 SCTP_INP_RUNLOCK(inp); 2979 } else { 2980 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2981 error = EINVAL; 2982 } 2983 } 2984 break; 2985 } 2986 case SCTP_PEER_AUTH_CHUNKS: 2987 { 2988 struct sctp_authchunks *sac; 2989 sctp_auth_chklist_t *chklist = NULL; 2990 size_t size = 0; 2991 2992 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2993 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2994 2995 if (stcb) { 2996 /* get off the assoc */ 2997 chklist = stcb->asoc.peer_auth_chunks; 2998 /* is there enough space? */ 2999 size = sctp_auth_get_chklist_size(chklist); 3000 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 3001 error = EINVAL; 3002 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3003 } else { 3004 /* copy in the chunks */ 3005 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 3006 sac->gauth_number_of_chunks = (uint32_t)size; 3007 *optsize = sizeof(struct sctp_authchunks) + size; 3008 } 3009 SCTP_TCB_UNLOCK(stcb); 3010 } else { 3011 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 3012 error = ENOENT; 3013 } 3014 break; 3015 } 3016 case SCTP_EVENT: 3017 { 3018 struct sctp_event *event; 3019 uint32_t event_type; 3020 3021 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 3022 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 3023 3024 switch (event->se_type) { 3025 case SCTP_ASSOC_CHANGE: 3026 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 3027 break; 3028 case SCTP_PEER_ADDR_CHANGE: 3029 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3030 break; 3031 case SCTP_REMOTE_ERROR: 3032 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3033 break; 3034 case SCTP_SEND_FAILED: 3035 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3036 break; 3037 case SCTP_SHUTDOWN_EVENT: 3038 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3039 break; 3040 case SCTP_ADAPTATION_INDICATION: 3041 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3042 break; 3043 case SCTP_PARTIAL_DELIVERY_EVENT: 3044 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3045 break; 3046 case SCTP_AUTHENTICATION_EVENT: 3047 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3048 break; 3049 case SCTP_STREAM_RESET_EVENT: 3050 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3051 break; 3052 case SCTP_SENDER_DRY_EVENT: 3053 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3054 break; 3055 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3056 event_type = 0; 3057 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3058 error = ENOTSUP; 3059 break; 3060 case SCTP_ASSOC_RESET_EVENT: 3061 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3062 break; 3063 case SCTP_STREAM_CHANGE_EVENT: 3064 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3065 break; 3066 case SCTP_SEND_FAILED_EVENT: 3067 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3068 break; 3069 default: 3070 event_type = 0; 3071 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3072 error = EINVAL; 3073 break; 3074 } 3075 if (event_type > 0) { 3076 if (stcb) { 3077 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3078 } else { 3079 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3080 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3081 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3082 (event->se_assoc_id == SCTP_FUTURE_ASSOC))) { 3083 SCTP_INP_RLOCK(inp); 3084 event->se_on = sctp_is_feature_on(inp, event_type); 3085 SCTP_INP_RUNLOCK(inp); 3086 } else { 3087 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3088 error = EINVAL; 3089 } 3090 } 3091 } 3092 if (stcb != NULL) { 3093 SCTP_TCB_UNLOCK(stcb); 3094 } 3095 if (error == 0) { 3096 *optsize = sizeof(struct sctp_event); 3097 } 3098 break; 3099 } 3100 case SCTP_RECVRCVINFO: 3101 { 3102 int onoff; 3103 3104 if (*optsize < sizeof(int)) { 3105 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3106 error = EINVAL; 3107 } else { 3108 SCTP_INP_RLOCK(inp); 3109 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3110 SCTP_INP_RUNLOCK(inp); 3111 } 3112 if (error == 0) { 3113 /* return the option value */ 3114 *(int *)optval = onoff; 3115 *optsize = sizeof(int); 3116 } 3117 break; 3118 } 3119 case SCTP_RECVNXTINFO: 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_RECVNXTINFO); 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_DEFAULT_SNDINFO: 3139 { 3140 struct sctp_sndinfo *info; 3141 3142 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3143 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3144 3145 if (stcb) { 3146 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3147 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3148 info->snd_flags &= 0xfff0; 3149 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3150 info->snd_context = stcb->asoc.def_send.sinfo_context; 3151 SCTP_TCB_UNLOCK(stcb); 3152 } else { 3153 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3154 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3155 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3156 (info->snd_assoc_id == SCTP_FUTURE_ASSOC))) { 3157 SCTP_INP_RLOCK(inp); 3158 info->snd_sid = inp->def_send.sinfo_stream; 3159 info->snd_flags = inp->def_send.sinfo_flags; 3160 info->snd_flags &= 0xfff0; 3161 info->snd_ppid = inp->def_send.sinfo_ppid; 3162 info->snd_context = inp->def_send.sinfo_context; 3163 SCTP_INP_RUNLOCK(inp); 3164 } else { 3165 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3166 error = EINVAL; 3167 } 3168 } 3169 if (error == 0) { 3170 *optsize = sizeof(struct sctp_sndinfo); 3171 } 3172 break; 3173 } 3174 case SCTP_DEFAULT_PRINFO: 3175 { 3176 struct sctp_default_prinfo *info; 3177 3178 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3179 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3180 3181 if (stcb) { 3182 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3183 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3184 SCTP_TCB_UNLOCK(stcb); 3185 } else { 3186 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3187 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3188 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3189 (info->pr_assoc_id == SCTP_FUTURE_ASSOC))) { 3190 SCTP_INP_RLOCK(inp); 3191 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3192 info->pr_value = inp->def_send.sinfo_timetolive; 3193 SCTP_INP_RUNLOCK(inp); 3194 } else { 3195 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3196 error = EINVAL; 3197 } 3198 } 3199 if (error == 0) { 3200 *optsize = sizeof(struct sctp_default_prinfo); 3201 } 3202 break; 3203 } 3204 case SCTP_PEER_ADDR_THLDS: 3205 { 3206 struct sctp_paddrthlds *thlds; 3207 struct sctp_nets *net; 3208 struct sockaddr *addr; 3209#if defined(INET) && defined(INET6) 3210 struct sockaddr_in sin_store; 3211#endif 3212 3213 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3214 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3215 3216#if defined(INET) && defined(INET6) 3217 if (thlds->spt_address.ss_family == AF_INET6) { 3218 struct sockaddr_in6 *sin6; 3219 3220 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3221 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3222 in6_sin6_2_sin(&sin_store, sin6); 3223 addr = (struct sockaddr *)&sin_store; 3224 } else { 3225 addr = (struct sockaddr *)&thlds->spt_address; 3226 } 3227 } else { 3228 addr = (struct sockaddr *)&thlds->spt_address; 3229 } 3230#else 3231 addr = (struct sockaddr *)&thlds->spt_address; 3232#endif 3233 if (stcb != NULL) { 3234 net = sctp_findnet(stcb, addr); 3235 } else { 3236 /* 3237 * We increment here since 3238 * sctp_findassociation_ep_addr() wil do a 3239 * decrement if it finds the stcb as long as 3240 * the locked tcb (last argument) is NOT a 3241 * TCB.. aka NULL. 3242 */ 3243 net = NULL; 3244 SCTP_INP_INCR_REF(inp); 3245 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3246 if (stcb == NULL) { 3247 SCTP_INP_DECR_REF(inp); 3248 } 3249 } 3250 if ((stcb != NULL) && (net == NULL)) { 3251#ifdef INET 3252 if (addr->sa_family == AF_INET) { 3253 struct sockaddr_in *sin; 3254 3255 sin = (struct sockaddr_in *)addr; 3256 if (sin->sin_addr.s_addr != INADDR_ANY) { 3257 error = EINVAL; 3258 SCTP_TCB_UNLOCK(stcb); 3259 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3260 break; 3261 } 3262 } else 3263#endif 3264#ifdef INET6 3265 if (addr->sa_family == AF_INET6) { 3266 struct sockaddr_in6 *sin6; 3267 3268 sin6 = (struct sockaddr_in6 *)addr; 3269 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3270 error = EINVAL; 3271 SCTP_TCB_UNLOCK(stcb); 3272 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3273 break; 3274 } 3275 } else 3276#endif 3277 { 3278 error = EAFNOSUPPORT; 3279 SCTP_TCB_UNLOCK(stcb); 3280 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3281 break; 3282 } 3283 } 3284 3285 if (stcb != NULL) { 3286 if (net != NULL) { 3287 thlds->spt_pathmaxrxt = net->failure_threshold; 3288 thlds->spt_pathpfthld = net->pf_threshold; 3289 thlds->spt_pathcpthld = 0xffff; 3290 } else { 3291 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3292 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3293 thlds->spt_pathcpthld = 0xffff; 3294 } 3295 thlds->spt_assoc_id = sctp_get_associd(stcb); 3296 SCTP_TCB_UNLOCK(stcb); 3297 } else { 3298 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3299 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3300 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3301 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) { 3302 /* Use endpoint defaults */ 3303 SCTP_INP_RLOCK(inp); 3304 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3305 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3306 thlds->spt_pathcpthld = 0xffff; 3307 SCTP_INP_RUNLOCK(inp); 3308 } else { 3309 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3310 error = EINVAL; 3311 } 3312 } 3313 if (error == 0) { 3314 *optsize = sizeof(struct sctp_paddrthlds); 3315 } 3316 break; 3317 } 3318 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3319 { 3320 struct sctp_udpencaps *encaps; 3321 struct sctp_nets *net; 3322 struct sockaddr *addr; 3323#if defined(INET) && defined(INET6) 3324 struct sockaddr_in sin_store; 3325#endif 3326 3327 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3328 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3329 3330#if defined(INET) && defined(INET6) 3331 if (encaps->sue_address.ss_family == AF_INET6) { 3332 struct sockaddr_in6 *sin6; 3333 3334 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3335 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3336 in6_sin6_2_sin(&sin_store, sin6); 3337 addr = (struct sockaddr *)&sin_store; 3338 } else { 3339 addr = (struct sockaddr *)&encaps->sue_address; 3340 } 3341 } else { 3342 addr = (struct sockaddr *)&encaps->sue_address; 3343 } 3344#else 3345 addr = (struct sockaddr *)&encaps->sue_address; 3346#endif 3347 if (stcb) { 3348 net = sctp_findnet(stcb, addr); 3349 } else { 3350 /* 3351 * We increment here since 3352 * sctp_findassociation_ep_addr() wil do a 3353 * decrement if it finds the stcb as long as 3354 * the locked tcb (last argument) is NOT a 3355 * TCB.. aka NULL. 3356 */ 3357 net = NULL; 3358 SCTP_INP_INCR_REF(inp); 3359 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3360 if (stcb == NULL) { 3361 SCTP_INP_DECR_REF(inp); 3362 } 3363 } 3364 if ((stcb != NULL) && (net == NULL)) { 3365#ifdef INET 3366 if (addr->sa_family == AF_INET) { 3367 struct sockaddr_in *sin; 3368 3369 sin = (struct sockaddr_in *)addr; 3370 if (sin->sin_addr.s_addr != INADDR_ANY) { 3371 error = EINVAL; 3372 SCTP_TCB_UNLOCK(stcb); 3373 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3374 break; 3375 } 3376 } else 3377#endif 3378#ifdef INET6 3379 if (addr->sa_family == AF_INET6) { 3380 struct sockaddr_in6 *sin6; 3381 3382 sin6 = (struct sockaddr_in6 *)addr; 3383 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3384 error = EINVAL; 3385 SCTP_TCB_UNLOCK(stcb); 3386 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3387 break; 3388 } 3389 } else 3390#endif 3391 { 3392 error = EAFNOSUPPORT; 3393 SCTP_TCB_UNLOCK(stcb); 3394 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3395 break; 3396 } 3397 } 3398 3399 if (stcb != NULL) { 3400 if (net) { 3401 encaps->sue_port = net->port; 3402 } else { 3403 encaps->sue_port = stcb->asoc.port; 3404 } 3405 SCTP_TCB_UNLOCK(stcb); 3406 } else { 3407 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3408 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3409 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3410 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) { 3411 SCTP_INP_RLOCK(inp); 3412 encaps->sue_port = inp->sctp_ep.port; 3413 SCTP_INP_RUNLOCK(inp); 3414 } else { 3415 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3416 error = EINVAL; 3417 } 3418 } 3419 if (error == 0) { 3420 *optsize = sizeof(struct sctp_udpencaps); 3421 } 3422 break; 3423 } 3424 case SCTP_ECN_SUPPORTED: 3425 { 3426 struct sctp_assoc_value *av; 3427 3428 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3429 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3430 3431 if (stcb) { 3432 av->assoc_value = stcb->asoc.ecn_supported; 3433 SCTP_TCB_UNLOCK(stcb); 3434 } else { 3435 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3436 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3437 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3438 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3439 SCTP_INP_RLOCK(inp); 3440 av->assoc_value = inp->ecn_supported; 3441 SCTP_INP_RUNLOCK(inp); 3442 } else { 3443 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3444 error = EINVAL; 3445 } 3446 } 3447 if (error == 0) { 3448 *optsize = sizeof(struct sctp_assoc_value); 3449 } 3450 break; 3451 } 3452 case SCTP_PR_SUPPORTED: 3453 { 3454 struct sctp_assoc_value *av; 3455 3456 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3457 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3458 3459 if (stcb) { 3460 av->assoc_value = stcb->asoc.prsctp_supported; 3461 SCTP_TCB_UNLOCK(stcb); 3462 } else { 3463 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3464 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3465 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3466 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3467 SCTP_INP_RLOCK(inp); 3468 av->assoc_value = inp->prsctp_supported; 3469 SCTP_INP_RUNLOCK(inp); 3470 } else { 3471 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3472 error = EINVAL; 3473 } 3474 } 3475 if (error == 0) { 3476 *optsize = sizeof(struct sctp_assoc_value); 3477 } 3478 break; 3479 } 3480 case SCTP_AUTH_SUPPORTED: 3481 { 3482 struct sctp_assoc_value *av; 3483 3484 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3485 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3486 3487 if (stcb) { 3488 av->assoc_value = stcb->asoc.auth_supported; 3489 SCTP_TCB_UNLOCK(stcb); 3490 } else { 3491 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3492 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3493 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3494 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3495 SCTP_INP_RLOCK(inp); 3496 av->assoc_value = inp->auth_supported; 3497 SCTP_INP_RUNLOCK(inp); 3498 } else { 3499 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3500 error = EINVAL; 3501 } 3502 } 3503 if (error == 0) { 3504 *optsize = sizeof(struct sctp_assoc_value); 3505 } 3506 break; 3507 } 3508 case SCTP_ASCONF_SUPPORTED: 3509 { 3510 struct sctp_assoc_value *av; 3511 3512 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3513 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3514 3515 if (stcb) { 3516 av->assoc_value = stcb->asoc.asconf_supported; 3517 SCTP_TCB_UNLOCK(stcb); 3518 } else { 3519 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3520 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3521 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3522 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3523 SCTP_INP_RLOCK(inp); 3524 av->assoc_value = inp->asconf_supported; 3525 SCTP_INP_RUNLOCK(inp); 3526 } else { 3527 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3528 error = EINVAL; 3529 } 3530 } 3531 if (error == 0) { 3532 *optsize = sizeof(struct sctp_assoc_value); 3533 } 3534 break; 3535 } 3536 case SCTP_RECONFIG_SUPPORTED: 3537 { 3538 struct sctp_assoc_value *av; 3539 3540 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3541 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3542 3543 if (stcb) { 3544 av->assoc_value = stcb->asoc.reconfig_supported; 3545 SCTP_TCB_UNLOCK(stcb); 3546 } else { 3547 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3548 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3549 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3550 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3551 SCTP_INP_RLOCK(inp); 3552 av->assoc_value = inp->reconfig_supported; 3553 SCTP_INP_RUNLOCK(inp); 3554 } else { 3555 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3556 error = EINVAL; 3557 } 3558 } 3559 if (error == 0) { 3560 *optsize = sizeof(struct sctp_assoc_value); 3561 } 3562 break; 3563 } 3564 case SCTP_NRSACK_SUPPORTED: 3565 { 3566 struct sctp_assoc_value *av; 3567 3568 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3569 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3570 3571 if (stcb) { 3572 av->assoc_value = stcb->asoc.nrsack_supported; 3573 SCTP_TCB_UNLOCK(stcb); 3574 } else { 3575 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3576 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3577 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3578 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3579 SCTP_INP_RLOCK(inp); 3580 av->assoc_value = inp->nrsack_supported; 3581 SCTP_INP_RUNLOCK(inp); 3582 } else { 3583 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3584 error = EINVAL; 3585 } 3586 } 3587 if (error == 0) { 3588 *optsize = sizeof(struct sctp_assoc_value); 3589 } 3590 break; 3591 } 3592 case SCTP_PKTDROP_SUPPORTED: 3593 { 3594 struct sctp_assoc_value *av; 3595 3596 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3597 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3598 3599 if (stcb) { 3600 av->assoc_value = stcb->asoc.pktdrop_supported; 3601 SCTP_TCB_UNLOCK(stcb); 3602 } else { 3603 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3604 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3605 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3606 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3607 SCTP_INP_RLOCK(inp); 3608 av->assoc_value = inp->pktdrop_supported; 3609 SCTP_INP_RUNLOCK(inp); 3610 } else { 3611 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3612 error = EINVAL; 3613 } 3614 } 3615 if (error == 0) { 3616 *optsize = sizeof(struct sctp_assoc_value); 3617 } 3618 break; 3619 } 3620 case SCTP_ENABLE_STREAM_RESET: 3621 { 3622 struct sctp_assoc_value *av; 3623 3624 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3625 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3626 3627 if (stcb) { 3628 av->assoc_value = (uint32_t)stcb->asoc.local_strreset_support; 3629 SCTP_TCB_UNLOCK(stcb); 3630 } else { 3631 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3632 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3633 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3634 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3635 SCTP_INP_RLOCK(inp); 3636 av->assoc_value = (uint32_t)inp->local_strreset_support; 3637 SCTP_INP_RUNLOCK(inp); 3638 } else { 3639 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3640 error = EINVAL; 3641 } 3642 } 3643 if (error == 0) { 3644 *optsize = sizeof(struct sctp_assoc_value); 3645 } 3646 break; 3647 } 3648 case SCTP_PR_STREAM_STATUS: 3649 { 3650 struct sctp_prstatus *sprstat; 3651 uint16_t sid; 3652 uint16_t policy; 3653 3654 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3655 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3656 3657 sid = sprstat->sprstat_sid; 3658 policy = sprstat->sprstat_policy; 3659#if defined(SCTP_DETAILED_STR_STATS) 3660 if ((stcb != NULL) && 3661 (sid < stcb->asoc.streamoutcnt) && 3662 (policy != SCTP_PR_SCTP_NONE) && 3663 ((policy <= SCTP_PR_SCTP_MAX) || 3664 (policy == SCTP_PR_SCTP_ALL))) { 3665 if (policy == SCTP_PR_SCTP_ALL) { 3666 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3667 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3668 } else { 3669 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3670 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3671 } 3672#else 3673 if ((stcb != NULL) && 3674 (sid < stcb->asoc.streamoutcnt) && 3675 (policy == SCTP_PR_SCTP_ALL)) { 3676 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3677 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3678#endif 3679 } else { 3680 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3681 error = EINVAL; 3682 } 3683 if (stcb != NULL) { 3684 SCTP_TCB_UNLOCK(stcb); 3685 } 3686 if (error == 0) { 3687 *optsize = sizeof(struct sctp_prstatus); 3688 } 3689 break; 3690 } 3691 case SCTP_PR_ASSOC_STATUS: 3692 { 3693 struct sctp_prstatus *sprstat; 3694 uint16_t policy; 3695 3696 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3697 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3698 3699 policy = sprstat->sprstat_policy; 3700 if ((stcb != NULL) && 3701 (policy != SCTP_PR_SCTP_NONE) && 3702 ((policy <= SCTP_PR_SCTP_MAX) || 3703 (policy == SCTP_PR_SCTP_ALL))) { 3704 if (policy == SCTP_PR_SCTP_ALL) { 3705 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3706 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3707 } else { 3708 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3709 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3710 } 3711 } else { 3712 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3713 error = EINVAL; 3714 } 3715 if (stcb != NULL) { 3716 SCTP_TCB_UNLOCK(stcb); 3717 } 3718 if (error == 0) { 3719 *optsize = sizeof(struct sctp_prstatus); 3720 } 3721 break; 3722 } 3723 case SCTP_MAX_CWND: 3724 { 3725 struct sctp_assoc_value *av; 3726 3727 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3728 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3729 3730 if (stcb) { 3731 av->assoc_value = stcb->asoc.max_cwnd; 3732 SCTP_TCB_UNLOCK(stcb); 3733 } else { 3734 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3735 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3736 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 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 3762static int 3763sctp_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_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3774 return (EINVAL); 3775 } 3776 inp = (struct sctp_inpcb *)so->so_pcb; 3777 if (inp == NULL) { 3778 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3779 return (EINVAL); 3780 } 3781 vrf_id = inp->def_vrf_id; 3782 3783 error = 0; 3784 switch (optname) { 3785 case SCTP_NODELAY: 3786 case SCTP_AUTOCLOSE: 3787 case SCTP_AUTO_ASCONF: 3788 case SCTP_EXPLICIT_EOR: 3789 case SCTP_DISABLE_FRAGMENTS: 3790 case SCTP_USE_EXT_RCVINFO: 3791 case SCTP_I_WANT_MAPPED_V4_ADDR: 3792 /* copy in the option value */ 3793 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3794 set_opt = 0; 3795 if (error) 3796 break; 3797 switch (optname) { 3798 case SCTP_DISABLE_FRAGMENTS: 3799 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3800 break; 3801 case SCTP_AUTO_ASCONF: 3802 /* 3803 * NOTE: we don't really support this flag 3804 */ 3805 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3806 /* only valid for bound all sockets */ 3807 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3808 (*mopt != 0)) { 3809 /* forbidden by admin */ 3810 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3811 return (EPERM); 3812 } 3813 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3814 } else { 3815 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3816 return (EINVAL); 3817 } 3818 break; 3819 case SCTP_EXPLICIT_EOR: 3820 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3821 break; 3822 case SCTP_USE_EXT_RCVINFO: 3823 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3824 break; 3825 case SCTP_I_WANT_MAPPED_V4_ADDR: 3826 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3827 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3828 } else { 3829 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3830 return (EINVAL); 3831 } 3832 break; 3833 case SCTP_NODELAY: 3834 set_opt = SCTP_PCB_FLAGS_NODELAY; 3835 break; 3836 case SCTP_AUTOCLOSE: 3837 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3838 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3839 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3840 return (EINVAL); 3841 } 3842 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3843 /* 3844 * The value is in ticks. Note this does not effect 3845 * old associations, only new ones. 3846 */ 3847 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3848 break; 3849 } 3850 SCTP_INP_WLOCK(inp); 3851 if (*mopt != 0) { 3852 sctp_feature_on(inp, set_opt); 3853 } else { 3854 sctp_feature_off(inp, set_opt); 3855 } 3856 SCTP_INP_WUNLOCK(inp); 3857 break; 3858 case SCTP_REUSE_PORT: 3859 { 3860 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3861 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3862 /* Can't set it after we are bound */ 3863 error = EINVAL; 3864 break; 3865 } 3866 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3867 /* Can't do this for a 1-m socket */ 3868 error = EINVAL; 3869 break; 3870 } 3871 if (optval) 3872 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3873 else 3874 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3875 break; 3876 } 3877 case SCTP_PARTIAL_DELIVERY_POINT: 3878 { 3879 uint32_t *value; 3880 3881 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3882 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3883 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3884 error = EINVAL; 3885 break; 3886 } 3887 inp->partial_delivery_point = *value; 3888 break; 3889 } 3890 case SCTP_FRAGMENT_INTERLEAVE: 3891 /* not yet until we re-write sctp_recvmsg() */ 3892 { 3893 uint32_t *level; 3894 3895 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3896 if (*level == SCTP_FRAG_LEVEL_2) { 3897 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3898 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3899 } else if (*level == SCTP_FRAG_LEVEL_1) { 3900 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3901 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3902 } else if (*level == SCTP_FRAG_LEVEL_0) { 3903 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3904 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3905 3906 } else { 3907 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3908 error = EINVAL; 3909 } 3910 break; 3911 } 3912 case SCTP_INTERLEAVING_SUPPORTED: 3913 { 3914 struct sctp_assoc_value *av; 3915 3916 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3917 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3918 3919 if (stcb) { 3920 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3921 error = EINVAL; 3922 SCTP_TCB_UNLOCK(stcb); 3923 } else { 3924 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3925 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3926 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3927 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3928 SCTP_INP_WLOCK(inp); 3929 if (av->assoc_value == 0) { 3930 inp->idata_supported = 0; 3931 } else { 3932 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) && 3933 (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS))) { 3934 inp->idata_supported = 1; 3935 } else { 3936 /* 3937 * Must have Frag 3938 * interleave and 3939 * stream interleave 3940 * on 3941 */ 3942 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3943 error = EINVAL; 3944 } 3945 } 3946 SCTP_INP_WUNLOCK(inp); 3947 } else { 3948 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3949 error = EINVAL; 3950 } 3951 } 3952 break; 3953 } 3954 case SCTP_CMT_ON_OFF: 3955 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3956 struct sctp_assoc_value *av; 3957 3958 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3959 if (av->assoc_value > SCTP_CMT_MAX) { 3960 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3961 error = EINVAL; 3962 break; 3963 } 3964 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3965 if (stcb) { 3966 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3967 SCTP_TCB_UNLOCK(stcb); 3968 } else { 3969 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3970 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3971 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 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 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3979 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3980 (av->assoc_id == SCTP_ALL_ASSOC))) { 3981 SCTP_INP_RLOCK(inp); 3982 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3983 SCTP_TCB_LOCK(stcb); 3984 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3985 SCTP_TCB_UNLOCK(stcb); 3986 } 3987 SCTP_INP_RUNLOCK(inp); 3988 } 3989 } 3990 } else { 3991 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3992 error = ENOPROTOOPT; 3993 } 3994 break; 3995 case SCTP_PLUGGABLE_CC: 3996 { 3997 struct sctp_assoc_value *av; 3998 struct sctp_nets *net; 3999 4000 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4001 if ((av->assoc_value != SCTP_CC_RFC2581) && 4002 (av->assoc_value != SCTP_CC_HSTCP) && 4003 (av->assoc_value != SCTP_CC_HTCP) && 4004 (av->assoc_value != SCTP_CC_RTCC)) { 4005 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4006 error = EINVAL; 4007 break; 4008 } 4009 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4010 if (stcb) { 4011 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4012 stcb->asoc.congestion_control_module = av->assoc_value; 4013 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4014 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4015 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4016 } 4017 } 4018 SCTP_TCB_UNLOCK(stcb); 4019 } else { 4020 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4021 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4022 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4023 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4024 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4025 SCTP_INP_WLOCK(inp); 4026 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 4027 SCTP_INP_WUNLOCK(inp); 4028 } 4029 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4030 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4031 (av->assoc_id == SCTP_ALL_ASSOC))) { 4032 SCTP_INP_RLOCK(inp); 4033 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4034 SCTP_TCB_LOCK(stcb); 4035 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4036 stcb->asoc.congestion_control_module = av->assoc_value; 4037 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4038 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4039 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4040 } 4041 } 4042 SCTP_TCB_UNLOCK(stcb); 4043 } 4044 SCTP_INP_RUNLOCK(inp); 4045 } 4046 } 4047 break; 4048 } 4049 case SCTP_CC_OPTION: 4050 { 4051 struct sctp_cc_option *cc_opt; 4052 4053 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 4054 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 4055 if (stcb == NULL) { 4056 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4057 (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC)) { 4058 SCTP_INP_RLOCK(inp); 4059 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4060 SCTP_TCB_LOCK(stcb); 4061 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 4062 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 4063 } 4064 SCTP_TCB_UNLOCK(stcb); 4065 } 4066 SCTP_INP_RUNLOCK(inp); 4067 } else { 4068 error = EINVAL; 4069 } 4070 } else { 4071 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4072 error = ENOTSUP; 4073 } else { 4074 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4075 cc_opt); 4076 } 4077 SCTP_TCB_UNLOCK(stcb); 4078 } 4079 break; 4080 } 4081 case SCTP_PLUGGABLE_SS: 4082 { 4083 struct sctp_assoc_value *av; 4084 4085 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4086 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4087 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 4088 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 4089 (av->assoc_value != SCTP_SS_PRIORITY) && 4090 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 4091 (av->assoc_value != SCTP_SS_FIRST_COME)) { 4092 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4093 error = EINVAL; 4094 break; 4095 } 4096 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4097 if (stcb) { 4098 SCTP_TCB_SEND_LOCK(stcb); 4099 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4100 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4101 stcb->asoc.stream_scheduling_module = av->assoc_value; 4102 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4103 SCTP_TCB_SEND_UNLOCK(stcb); 4104 SCTP_TCB_UNLOCK(stcb); 4105 } else { 4106 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4107 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4108 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4109 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4110 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4111 SCTP_INP_WLOCK(inp); 4112 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4113 SCTP_INP_WUNLOCK(inp); 4114 } 4115 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4116 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4117 (av->assoc_id == SCTP_ALL_ASSOC))) { 4118 SCTP_INP_RLOCK(inp); 4119 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4120 SCTP_TCB_LOCK(stcb); 4121 SCTP_TCB_SEND_LOCK(stcb); 4122 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4123 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4124 stcb->asoc.stream_scheduling_module = av->assoc_value; 4125 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4126 SCTP_TCB_SEND_UNLOCK(stcb); 4127 SCTP_TCB_UNLOCK(stcb); 4128 } 4129 SCTP_INP_RUNLOCK(inp); 4130 } 4131 } 4132 break; 4133 } 4134 case SCTP_SS_VALUE: 4135 { 4136 struct sctp_stream_value *av; 4137 4138 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4139 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4140 if (stcb) { 4141 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4142 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4143 av->stream_value) < 0)) { 4144 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4145 error = EINVAL; 4146 } 4147 SCTP_TCB_UNLOCK(stcb); 4148 } else { 4149 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4150 (av->assoc_id == SCTP_CURRENT_ASSOC)) { 4151 SCTP_INP_RLOCK(inp); 4152 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4153 SCTP_TCB_LOCK(stcb); 4154 if (av->stream_id < stcb->asoc.streamoutcnt) { 4155 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4156 &stcb->asoc, 4157 &stcb->asoc.strmout[av->stream_id], 4158 av->stream_value); 4159 } 4160 SCTP_TCB_UNLOCK(stcb); 4161 } 4162 SCTP_INP_RUNLOCK(inp); 4163 } else { 4164 /* 4165 * Can't set stream value without 4166 * association 4167 */ 4168 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4169 error = EINVAL; 4170 } 4171 } 4172 break; 4173 } 4174 case SCTP_CLR_STAT_LOG: 4175 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4176 error = EOPNOTSUPP; 4177 break; 4178 case SCTP_CONTEXT: 4179 { 4180 struct sctp_assoc_value *av; 4181 4182 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4183 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4184 4185 if (stcb) { 4186 stcb->asoc.context = av->assoc_value; 4187 SCTP_TCB_UNLOCK(stcb); 4188 } else { 4189 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4190 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4191 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4192 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4193 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4194 SCTP_INP_WLOCK(inp); 4195 inp->sctp_context = av->assoc_value; 4196 SCTP_INP_WUNLOCK(inp); 4197 } 4198 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4199 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4200 (av->assoc_id == SCTP_ALL_ASSOC))) { 4201 SCTP_INP_RLOCK(inp); 4202 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4203 SCTP_TCB_LOCK(stcb); 4204 stcb->asoc.context = av->assoc_value; 4205 SCTP_TCB_UNLOCK(stcb); 4206 } 4207 SCTP_INP_RUNLOCK(inp); 4208 } 4209 } 4210 break; 4211 } 4212 case SCTP_VRF_ID: 4213 { 4214 uint32_t *default_vrfid; 4215 4216 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4217 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4218 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4219 error = EINVAL; 4220 break; 4221 } 4222 inp->def_vrf_id = *default_vrfid; 4223 break; 4224 } 4225 case SCTP_DEL_VRF_ID: 4226 { 4227 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4228 error = EOPNOTSUPP; 4229 break; 4230 } 4231 case SCTP_ADD_VRF_ID: 4232 { 4233 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4234 error = EOPNOTSUPP; 4235 break; 4236 } 4237 case SCTP_DELAYED_SACK: 4238 { 4239 struct sctp_sack_info *sack; 4240 4241 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4242 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4243 if (sack->sack_delay) { 4244 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 4245 sack->sack_delay = SCTP_MAX_SACK_DELAY; 4246 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 4247 sack->sack_delay = TICKS_TO_MSEC(1); 4248 } 4249 } 4250 if (stcb) { 4251 if (sack->sack_delay) { 4252 stcb->asoc.delayed_ack = sack->sack_delay; 4253 } 4254 if (sack->sack_freq) { 4255 stcb->asoc.sack_freq = sack->sack_freq; 4256 } 4257 SCTP_TCB_UNLOCK(stcb); 4258 } else { 4259 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4260 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4261 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4262 ((sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4263 (sack->sack_assoc_id == SCTP_ALL_ASSOC)))) { 4264 SCTP_INP_WLOCK(inp); 4265 if (sack->sack_delay) { 4266 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 4267 } 4268 if (sack->sack_freq) { 4269 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4270 } 4271 SCTP_INP_WUNLOCK(inp); 4272 } 4273 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4274 ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4275 (sack->sack_assoc_id == SCTP_ALL_ASSOC))) { 4276 SCTP_INP_RLOCK(inp); 4277 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4278 SCTP_TCB_LOCK(stcb); 4279 if (sack->sack_delay) { 4280 stcb->asoc.delayed_ack = sack->sack_delay; 4281 } 4282 if (sack->sack_freq) { 4283 stcb->asoc.sack_freq = sack->sack_freq; 4284 } 4285 SCTP_TCB_UNLOCK(stcb); 4286 } 4287 SCTP_INP_RUNLOCK(inp); 4288 } 4289 } 4290 break; 4291 } 4292 case SCTP_AUTH_CHUNK: 4293 { 4294 struct sctp_authchunk *sauth; 4295 4296 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4297 4298 SCTP_INP_WLOCK(inp); 4299 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4300 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4301 error = EINVAL; 4302 } else { 4303 inp->auth_supported = 1; 4304 } 4305 SCTP_INP_WUNLOCK(inp); 4306 break; 4307 } 4308 case SCTP_AUTH_KEY: 4309 { 4310 struct sctp_authkey *sca; 4311 struct sctp_keyhead *shared_keys; 4312 sctp_sharedkey_t *shared_key; 4313 sctp_key_t *key = NULL; 4314 size_t size; 4315 4316 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4317 if (sca->sca_keylength == 0) { 4318 size = optsize - sizeof(struct sctp_authkey); 4319 } else { 4320 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4321 size = sca->sca_keylength; 4322 } else { 4323 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4324 error = EINVAL; 4325 break; 4326 } 4327 } 4328 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4329 4330 if (stcb) { 4331 shared_keys = &stcb->asoc.shared_keys; 4332 /* clear the cached keys for this key id */ 4333 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4334 /* 4335 * create the new shared key and 4336 * insert/replace it 4337 */ 4338 if (size > 0) { 4339 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4340 if (key == NULL) { 4341 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4342 error = ENOMEM; 4343 SCTP_TCB_UNLOCK(stcb); 4344 break; 4345 } 4346 } 4347 shared_key = sctp_alloc_sharedkey(); 4348 if (shared_key == NULL) { 4349 sctp_free_key(key); 4350 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4351 error = ENOMEM; 4352 SCTP_TCB_UNLOCK(stcb); 4353 break; 4354 } 4355 shared_key->key = key; 4356 shared_key->keyid = sca->sca_keynumber; 4357 error = sctp_insert_sharedkey(shared_keys, shared_key); 4358 SCTP_TCB_UNLOCK(stcb); 4359 } else { 4360 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4361 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4362 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4363 ((sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4364 (sca->sca_assoc_id == SCTP_ALL_ASSOC)))) { 4365 SCTP_INP_WLOCK(inp); 4366 shared_keys = &inp->sctp_ep.shared_keys; 4367 /* 4368 * clear the cached keys on all 4369 * assocs for this key id 4370 */ 4371 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4372 /* 4373 * create the new shared key and 4374 * insert/replace it 4375 */ 4376 if (size > 0) { 4377 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4378 if (key == NULL) { 4379 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4380 error = ENOMEM; 4381 SCTP_INP_WUNLOCK(inp); 4382 break; 4383 } 4384 } 4385 shared_key = sctp_alloc_sharedkey(); 4386 if (shared_key == NULL) { 4387 sctp_free_key(key); 4388 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4389 error = ENOMEM; 4390 SCTP_INP_WUNLOCK(inp); 4391 break; 4392 } 4393 shared_key->key = key; 4394 shared_key->keyid = sca->sca_keynumber; 4395 error = sctp_insert_sharedkey(shared_keys, shared_key); 4396 SCTP_INP_WUNLOCK(inp); 4397 } 4398 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4399 ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4400 (sca->sca_assoc_id == SCTP_ALL_ASSOC))) { 4401 SCTP_INP_RLOCK(inp); 4402 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4403 SCTP_TCB_LOCK(stcb); 4404 shared_keys = &stcb->asoc.shared_keys; 4405 /* 4406 * clear the cached keys for 4407 * this key id 4408 */ 4409 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4410 /* 4411 * create the new shared key 4412 * and insert/replace it 4413 */ 4414 if (size > 0) { 4415 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4416 if (key == NULL) { 4417 SCTP_TCB_UNLOCK(stcb); 4418 continue; 4419 } 4420 } 4421 shared_key = sctp_alloc_sharedkey(); 4422 if (shared_key == NULL) { 4423 sctp_free_key(key); 4424 SCTP_TCB_UNLOCK(stcb); 4425 continue; 4426 } 4427 shared_key->key = key; 4428 shared_key->keyid = sca->sca_keynumber; 4429 error = sctp_insert_sharedkey(shared_keys, shared_key); 4430 SCTP_TCB_UNLOCK(stcb); 4431 } 4432 SCTP_INP_RUNLOCK(inp); 4433 } 4434 } 4435 break; 4436 } 4437 case SCTP_HMAC_IDENT: 4438 { 4439 struct sctp_hmacalgo *shmac; 4440 sctp_hmaclist_t *hmaclist; 4441 uint16_t hmacid; 4442 uint32_t i; 4443 4444 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4445 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4446 (shmac->shmac_number_of_idents > 0xffff)) { 4447 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4448 error = EINVAL; 4449 break; 4450 } 4451 4452 hmaclist = sctp_alloc_hmaclist((uint16_t)shmac->shmac_number_of_idents); 4453 if (hmaclist == NULL) { 4454 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4455 error = ENOMEM; 4456 break; 4457 } 4458 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4459 hmacid = shmac->shmac_idents[i]; 4460 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4461 /* invalid HMACs were found */ ; 4462 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4463 error = EINVAL; 4464 sctp_free_hmaclist(hmaclist); 4465 goto sctp_set_hmac_done; 4466 } 4467 } 4468 for (i = 0; i < hmaclist->num_algo; i++) { 4469 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4470 /* already in list */ 4471 break; 4472 } 4473 } 4474 if (i == hmaclist->num_algo) { 4475 /* not found in list */ 4476 sctp_free_hmaclist(hmaclist); 4477 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4478 error = EINVAL; 4479 break; 4480 } 4481 /* set it on the endpoint */ 4482 SCTP_INP_WLOCK(inp); 4483 if (inp->sctp_ep.local_hmacs) 4484 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4485 inp->sctp_ep.local_hmacs = hmaclist; 4486 SCTP_INP_WUNLOCK(inp); 4487 sctp_set_hmac_done: 4488 break; 4489 } 4490 case SCTP_AUTH_ACTIVE_KEY: 4491 { 4492 struct sctp_authkeyid *scact; 4493 4494 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4495 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4496 4497 /* set the active key on the right place */ 4498 if (stcb) { 4499 /* set the active key on the assoc */ 4500 if (sctp_auth_setactivekey(stcb, 4501 scact->scact_keynumber)) { 4502 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4503 SCTP_FROM_SCTP_USRREQ, 4504 EINVAL); 4505 error = EINVAL; 4506 } 4507 SCTP_TCB_UNLOCK(stcb); 4508 } else { 4509 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4510 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4511 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4512 ((scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4513 (scact->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4514 SCTP_INP_WLOCK(inp); 4515 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4516 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4517 error = EINVAL; 4518 } 4519 SCTP_INP_WUNLOCK(inp); 4520 } 4521 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4522 ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4523 (scact->scact_assoc_id == SCTP_ALL_ASSOC))) { 4524 SCTP_INP_RLOCK(inp); 4525 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4526 SCTP_TCB_LOCK(stcb); 4527 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4528 SCTP_TCB_UNLOCK(stcb); 4529 } 4530 SCTP_INP_RUNLOCK(inp); 4531 } 4532 } 4533 break; 4534 } 4535 case SCTP_AUTH_DELETE_KEY: 4536 { 4537 struct sctp_authkeyid *scdel; 4538 4539 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4540 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4541 4542 /* delete the key from the right place */ 4543 if (stcb) { 4544 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4545 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4546 error = EINVAL; 4547 } 4548 SCTP_TCB_UNLOCK(stcb); 4549 } else { 4550 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4551 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4552 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4553 ((scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4554 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4555 SCTP_INP_WLOCK(inp); 4556 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4557 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4558 error = EINVAL; 4559 } 4560 SCTP_INP_WUNLOCK(inp); 4561 } 4562 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4563 ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4564 (scdel->scact_assoc_id == SCTP_ALL_ASSOC))) { 4565 SCTP_INP_RLOCK(inp); 4566 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4567 SCTP_TCB_LOCK(stcb); 4568 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4569 SCTP_TCB_UNLOCK(stcb); 4570 } 4571 SCTP_INP_RUNLOCK(inp); 4572 } 4573 } 4574 break; 4575 } 4576 case SCTP_AUTH_DEACTIVATE_KEY: 4577 { 4578 struct sctp_authkeyid *keyid; 4579 4580 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4581 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4582 4583 /* deactivate the key from the right place */ 4584 if (stcb) { 4585 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4586 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4587 error = EINVAL; 4588 } 4589 SCTP_TCB_UNLOCK(stcb); 4590 } else { 4591 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4592 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4593 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4594 ((keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4595 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4596 SCTP_INP_WLOCK(inp); 4597 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4598 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4599 error = EINVAL; 4600 } 4601 SCTP_INP_WUNLOCK(inp); 4602 } 4603 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4604 ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4605 (keyid->scact_assoc_id == SCTP_ALL_ASSOC))) { 4606 SCTP_INP_RLOCK(inp); 4607 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4608 SCTP_TCB_LOCK(stcb); 4609 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4610 SCTP_TCB_UNLOCK(stcb); 4611 } 4612 SCTP_INP_RUNLOCK(inp); 4613 } 4614 } 4615 break; 4616 } 4617 case SCTP_ENABLE_STREAM_RESET: 4618 { 4619 struct sctp_assoc_value *av; 4620 4621 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4622 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4623 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4624 error = EINVAL; 4625 break; 4626 } 4627 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4628 if (stcb) { 4629 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4630 SCTP_TCB_UNLOCK(stcb); 4631 } else { 4632 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4633 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4634 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4635 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4636 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4637 SCTP_INP_WLOCK(inp); 4638 inp->local_strreset_support = (uint8_t)av->assoc_value; 4639 SCTP_INP_WUNLOCK(inp); 4640 } 4641 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4642 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4643 (av->assoc_id == SCTP_ALL_ASSOC))) { 4644 SCTP_INP_RLOCK(inp); 4645 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4646 SCTP_TCB_LOCK(stcb); 4647 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4648 SCTP_TCB_UNLOCK(stcb); 4649 } 4650 SCTP_INP_RUNLOCK(inp); 4651 } 4652 4653 } 4654 break; 4655 } 4656 case SCTP_RESET_STREAMS: 4657 { 4658 struct sctp_reset_streams *strrst; 4659 int i, send_out = 0; 4660 int send_in = 0; 4661 4662 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4663 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4664 if (stcb == NULL) { 4665 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4666 error = ENOENT; 4667 break; 4668 } 4669 if (stcb->asoc.reconfig_supported == 0) { 4670 /* 4671 * Peer does not support the chunk type. 4672 */ 4673 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4674 error = EOPNOTSUPP; 4675 SCTP_TCB_UNLOCK(stcb); 4676 break; 4677 } 4678 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4679 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4680 error = EINVAL; 4681 SCTP_TCB_UNLOCK(stcb); 4682 break; 4683 } 4684 if (sizeof(struct sctp_reset_streams) + 4685 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4686 error = EINVAL; 4687 SCTP_TCB_UNLOCK(stcb); 4688 break; 4689 } 4690 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4691 send_in = 1; 4692 if (stcb->asoc.stream_reset_outstanding) { 4693 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4694 error = EALREADY; 4695 SCTP_TCB_UNLOCK(stcb); 4696 break; 4697 } 4698 } 4699 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4700 send_out = 1; 4701 } 4702 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) { 4703 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4704 error = ENOMEM; 4705 SCTP_TCB_UNLOCK(stcb); 4706 break; 4707 } 4708 if ((send_in == 0) && (send_out == 0)) { 4709 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4710 error = EINVAL; 4711 SCTP_TCB_UNLOCK(stcb); 4712 break; 4713 } 4714 for (i = 0; i < strrst->srs_number_streams; i++) { 4715 if ((send_in) && 4716 (strrst->srs_stream_list[i] >= stcb->asoc.streamincnt)) { 4717 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4718 error = EINVAL; 4719 break; 4720 } 4721 if ((send_out) && 4722 (strrst->srs_stream_list[i] >= stcb->asoc.streamoutcnt)) { 4723 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4724 error = EINVAL; 4725 break; 4726 } 4727 } 4728 if (error) { 4729 SCTP_TCB_UNLOCK(stcb); 4730 break; 4731 } 4732 if (send_out) { 4733 int cnt; 4734 uint16_t strm; 4735 4736 if (strrst->srs_number_streams) { 4737 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) { 4738 strm = strrst->srs_stream_list[i]; 4739 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) { 4740 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING; 4741 cnt++; 4742 } 4743 } 4744 } else { 4745 /* Its all */ 4746 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) { 4747 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) { 4748 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING; 4749 cnt++; 4750 } 4751 } 4752 } 4753 } 4754 if (send_in) { 4755 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4756 strrst->srs_stream_list, 4757 send_in, 0, 0, 0, 0, 0); 4758 } else { 4759 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED); 4760 } 4761 if (error == 0) { 4762 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4763 } else { 4764 /* 4765 * For outgoing streams don't report any 4766 * problems in sending the request to the 4767 * application. XXX: Double check resetting 4768 * incoming streams. 4769 */ 4770 error = 0; 4771 } 4772 SCTP_TCB_UNLOCK(stcb); 4773 break; 4774 } 4775 case SCTP_ADD_STREAMS: 4776 { 4777 struct sctp_add_streams *stradd; 4778 uint8_t addstream = 0; 4779 uint16_t add_o_strmcnt = 0; 4780 uint16_t add_i_strmcnt = 0; 4781 4782 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4783 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4784 if (stcb == NULL) { 4785 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4786 error = ENOENT; 4787 break; 4788 } 4789 if (stcb->asoc.reconfig_supported == 0) { 4790 /* 4791 * Peer does not support the chunk type. 4792 */ 4793 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4794 error = EOPNOTSUPP; 4795 SCTP_TCB_UNLOCK(stcb); 4796 break; 4797 } 4798 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4799 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4800 error = EINVAL; 4801 SCTP_TCB_UNLOCK(stcb); 4802 break; 4803 } 4804 if (stcb->asoc.stream_reset_outstanding) { 4805 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4806 error = EALREADY; 4807 SCTP_TCB_UNLOCK(stcb); 4808 break; 4809 } 4810 if ((stradd->sas_outstrms == 0) && 4811 (stradd->sas_instrms == 0)) { 4812 error = EINVAL; 4813 goto skip_stuff; 4814 } 4815 if (stradd->sas_outstrms) { 4816 addstream = 1; 4817 /* We allocate here */ 4818 add_o_strmcnt = stradd->sas_outstrms; 4819 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4820 /* You can't have more than 64k */ 4821 error = EINVAL; 4822 goto skip_stuff; 4823 } 4824 } 4825 if (stradd->sas_instrms) { 4826 int cnt; 4827 4828 addstream |= 2; 4829 /* 4830 * We allocate inside 4831 * sctp_send_str_reset_req() 4832 */ 4833 add_i_strmcnt = stradd->sas_instrms; 4834 cnt = add_i_strmcnt; 4835 cnt += stcb->asoc.streamincnt; 4836 if (cnt > 0x0000ffff) { 4837 /* You can't have more than 64k */ 4838 error = EINVAL; 4839 goto skip_stuff; 4840 } 4841 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4842 /* More than you are allowed */ 4843 error = EINVAL; 4844 goto skip_stuff; 4845 } 4846 } 4847 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4848 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4849 skip_stuff: 4850 SCTP_TCB_UNLOCK(stcb); 4851 break; 4852 } 4853 case SCTP_RESET_ASSOC: 4854 { 4855 int i; 4856 uint32_t *value; 4857 4858 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4859 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 4860 if (stcb == NULL) { 4861 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4862 error = ENOENT; 4863 break; 4864 } 4865 if (stcb->asoc.reconfig_supported == 0) { 4866 /* 4867 * Peer does not support the chunk type. 4868 */ 4869 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4870 error = EOPNOTSUPP; 4871 SCTP_TCB_UNLOCK(stcb); 4872 break; 4873 } 4874 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4875 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4876 error = EINVAL; 4877 SCTP_TCB_UNLOCK(stcb); 4878 break; 4879 } 4880 if (stcb->asoc.stream_reset_outstanding) { 4881 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4882 error = EALREADY; 4883 SCTP_TCB_UNLOCK(stcb); 4884 break; 4885 } 4886 /* 4887 * Is there any data pending in the send or sent 4888 * queues? 4889 */ 4890 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) || 4891 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) { 4892 busy_out: 4893 error = EBUSY; 4894 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4895 SCTP_TCB_UNLOCK(stcb); 4896 break; 4897 } 4898 /* Do any streams have data queued? */ 4899 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4900 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) { 4901 goto busy_out; 4902 } 4903 } 4904 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0); 4905 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4906 SCTP_TCB_UNLOCK(stcb); 4907 break; 4908 } 4909 case SCTP_CONNECT_X: 4910 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4911 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4912 error = EINVAL; 4913 break; 4914 } 4915 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4916 break; 4917 case SCTP_CONNECT_X_DELAYED: 4918 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4919 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4920 error = EINVAL; 4921 break; 4922 } 4923 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4924 break; 4925 case SCTP_CONNECT_X_COMPLETE: 4926 { 4927 struct sockaddr *sa; 4928 4929 /* FIXME MT: check correct? */ 4930 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4931 4932 /* find tcb */ 4933 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4934 SCTP_INP_RLOCK(inp); 4935 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4936 if (stcb) { 4937 SCTP_TCB_LOCK(stcb); 4938 } 4939 SCTP_INP_RUNLOCK(inp); 4940 } else { 4941 /* 4942 * We increment here since 4943 * sctp_findassociation_ep_addr() wil do a 4944 * decrement if it finds the stcb as long as 4945 * the locked tcb (last argument) is NOT a 4946 * TCB.. aka NULL. 4947 */ 4948 SCTP_INP_INCR_REF(inp); 4949 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4950 if (stcb == NULL) { 4951 SCTP_INP_DECR_REF(inp); 4952 } 4953 } 4954 4955 if (stcb == NULL) { 4956 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4957 error = ENOENT; 4958 break; 4959 } 4960 if (stcb->asoc.delayed_connection == 1) { 4961 stcb->asoc.delayed_connection = 0; 4962 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4963 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4964 stcb->asoc.primary_destination, 4965 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4966 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4967 } else { 4968 /* 4969 * already expired or did not use delayed 4970 * connectx 4971 */ 4972 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4973 error = EALREADY; 4974 } 4975 SCTP_TCB_UNLOCK(stcb); 4976 break; 4977 } 4978 case SCTP_MAX_BURST: 4979 { 4980 struct sctp_assoc_value *av; 4981 4982 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4983 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4984 4985 if (stcb) { 4986 stcb->asoc.max_burst = av->assoc_value; 4987 SCTP_TCB_UNLOCK(stcb); 4988 } else { 4989 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4990 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4991 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4992 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4993 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4994 SCTP_INP_WLOCK(inp); 4995 inp->sctp_ep.max_burst = av->assoc_value; 4996 SCTP_INP_WUNLOCK(inp); 4997 } 4998 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4999 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 5000 (av->assoc_id == SCTP_ALL_ASSOC))) { 5001 SCTP_INP_RLOCK(inp); 5002 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5003 SCTP_TCB_LOCK(stcb); 5004 stcb->asoc.max_burst = av->assoc_value; 5005 SCTP_TCB_UNLOCK(stcb); 5006 } 5007 SCTP_INP_RUNLOCK(inp); 5008 } 5009 } 5010 break; 5011 } 5012 case SCTP_MAXSEG: 5013 { 5014 struct sctp_assoc_value *av; 5015 int ovh; 5016 5017 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 5018 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 5019 5020 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5021 ovh = SCTP_MED_OVERHEAD; 5022 } else { 5023 ovh = SCTP_MED_V4_OVERHEAD; 5024 } 5025 if (stcb) { 5026 if (av->assoc_value) { 5027 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 5028 } else { 5029 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 5030 } 5031 SCTP_TCB_UNLOCK(stcb); 5032 } else { 5033 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5034 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5035 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5036 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 5037 SCTP_INP_WLOCK(inp); 5038 /* 5039 * FIXME MT: I think this is not in 5040 * tune with the API ID 5041 */ 5042 if (av->assoc_value) { 5043 inp->sctp_frag_point = (av->assoc_value + ovh); 5044 } else { 5045 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 5046 } 5047 SCTP_INP_WUNLOCK(inp); 5048 } else { 5049 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5050 error = EINVAL; 5051 } 5052 } 5053 break; 5054 } 5055 case SCTP_EVENTS: 5056 { 5057 struct sctp_event_subscribe *events; 5058 5059 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 5060 5061 SCTP_INP_WLOCK(inp); 5062 if (events->sctp_data_io_event) { 5063 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5064 } else { 5065 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 5066 } 5067 5068 if (events->sctp_association_event) { 5069 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5070 } else { 5071 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5072 } 5073 5074 if (events->sctp_address_event) { 5075 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5076 } else { 5077 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5078 } 5079 5080 if (events->sctp_send_failure_event) { 5081 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5082 } else { 5083 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5084 } 5085 5086 if (events->sctp_peer_error_event) { 5087 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5088 } else { 5089 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5090 } 5091 5092 if (events->sctp_shutdown_event) { 5093 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5094 } else { 5095 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5096 } 5097 5098 if (events->sctp_partial_delivery_event) { 5099 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5100 } else { 5101 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5102 } 5103 5104 if (events->sctp_adaptation_layer_event) { 5105 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5106 } else { 5107 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5108 } 5109 5110 if (events->sctp_authentication_event) { 5111 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5112 } else { 5113 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5114 } 5115 5116 if (events->sctp_sender_dry_event) { 5117 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 5118 } else { 5119 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 5120 } 5121 5122 if (events->sctp_stream_reset_event) { 5123 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5124 } else { 5125 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5126 } 5127 SCTP_INP_WUNLOCK(inp); 5128 5129 SCTP_INP_RLOCK(inp); 5130 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5131 SCTP_TCB_LOCK(stcb); 5132 if (events->sctp_association_event) { 5133 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5134 } else { 5135 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5136 } 5137 if (events->sctp_address_event) { 5138 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5139 } else { 5140 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5141 } 5142 if (events->sctp_send_failure_event) { 5143 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5144 } else { 5145 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5146 } 5147 if (events->sctp_peer_error_event) { 5148 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5149 } else { 5150 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5151 } 5152 if (events->sctp_shutdown_event) { 5153 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5154 } else { 5155 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5156 } 5157 if (events->sctp_partial_delivery_event) { 5158 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5159 } else { 5160 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5161 } 5162 if (events->sctp_adaptation_layer_event) { 5163 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5164 } else { 5165 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5166 } 5167 if (events->sctp_authentication_event) { 5168 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5169 } else { 5170 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5171 } 5172 if (events->sctp_sender_dry_event) { 5173 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5174 } else { 5175 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5176 } 5177 if (events->sctp_stream_reset_event) { 5178 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5179 } else { 5180 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5181 } 5182 SCTP_TCB_UNLOCK(stcb); 5183 } 5184 /* 5185 * Send up the sender dry event only for 1-to-1 5186 * style sockets. 5187 */ 5188 if (events->sctp_sender_dry_event) { 5189 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5190 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 5191 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5192 if (stcb) { 5193 SCTP_TCB_LOCK(stcb); 5194 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5195 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5196 (stcb->asoc.stream_queue_cnt == 0)) { 5197 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5198 } 5199 SCTP_TCB_UNLOCK(stcb); 5200 } 5201 } 5202 } 5203 SCTP_INP_RUNLOCK(inp); 5204 break; 5205 } 5206 case SCTP_ADAPTATION_LAYER: 5207 { 5208 struct sctp_setadaptation *adap_bits; 5209 5210 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5211 SCTP_INP_WLOCK(inp); 5212 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5213 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5214 SCTP_INP_WUNLOCK(inp); 5215 break; 5216 } 5217#ifdef SCTP_DEBUG 5218 case SCTP_SET_INITIAL_DBG_SEQ: 5219 { 5220 uint32_t *vvv; 5221 5222 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5223 SCTP_INP_WLOCK(inp); 5224 inp->sctp_ep.initial_sequence_debug = *vvv; 5225 SCTP_INP_WUNLOCK(inp); 5226 break; 5227 } 5228#endif 5229 case SCTP_DEFAULT_SEND_PARAM: 5230 { 5231 struct sctp_sndrcvinfo *s_info; 5232 5233 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5234 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5235 5236 if (stcb) { 5237 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5238 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5239 } else { 5240 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5241 error = EINVAL; 5242 } 5243 SCTP_TCB_UNLOCK(stcb); 5244 } else { 5245 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5246 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5247 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5248 ((s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5249 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)))) { 5250 SCTP_INP_WLOCK(inp); 5251 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5252 SCTP_INP_WUNLOCK(inp); 5253 } 5254 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5255 ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5256 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC))) { 5257 SCTP_INP_RLOCK(inp); 5258 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5259 SCTP_TCB_LOCK(stcb); 5260 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5261 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5262 } 5263 SCTP_TCB_UNLOCK(stcb); 5264 } 5265 SCTP_INP_RUNLOCK(inp); 5266 } 5267 } 5268 break; 5269 } 5270 case SCTP_PEER_ADDR_PARAMS: 5271 { 5272 struct sctp_paddrparams *paddrp; 5273 struct sctp_nets *net; 5274 struct sockaddr *addr; 5275#if defined(INET) && defined(INET6) 5276 struct sockaddr_in sin_store; 5277#endif 5278 5279 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5280 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5281 5282#if defined(INET) && defined(INET6) 5283 if (paddrp->spp_address.ss_family == AF_INET6) { 5284 struct sockaddr_in6 *sin6; 5285 5286 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5287 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5288 in6_sin6_2_sin(&sin_store, sin6); 5289 addr = (struct sockaddr *)&sin_store; 5290 } else { 5291 addr = (struct sockaddr *)&paddrp->spp_address; 5292 } 5293 } else { 5294 addr = (struct sockaddr *)&paddrp->spp_address; 5295 } 5296#else 5297 addr = (struct sockaddr *)&paddrp->spp_address; 5298#endif 5299 if (stcb != NULL) { 5300 net = sctp_findnet(stcb, addr); 5301 } else { 5302 /* 5303 * We increment here since 5304 * sctp_findassociation_ep_addr() wil do a 5305 * decrement if it finds the stcb as long as 5306 * the locked tcb (last argument) is NOT a 5307 * TCB.. aka NULL. 5308 */ 5309 net = NULL; 5310 SCTP_INP_INCR_REF(inp); 5311 stcb = sctp_findassociation_ep_addr(&inp, addr, 5312 &net, NULL, NULL); 5313 if (stcb == NULL) { 5314 SCTP_INP_DECR_REF(inp); 5315 } 5316 } 5317 if ((stcb != NULL) && (net == NULL)) { 5318#ifdef INET 5319 if (addr->sa_family == AF_INET) { 5320 5321 struct sockaddr_in *sin; 5322 5323 sin = (struct sockaddr_in *)addr; 5324 if (sin->sin_addr.s_addr != INADDR_ANY) { 5325 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5326 SCTP_TCB_UNLOCK(stcb); 5327 error = EINVAL; 5328 break; 5329 } 5330 } else 5331#endif 5332#ifdef INET6 5333 if (addr->sa_family == AF_INET6) { 5334 struct sockaddr_in6 *sin6; 5335 5336 sin6 = (struct sockaddr_in6 *)addr; 5337 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5338 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5339 SCTP_TCB_UNLOCK(stcb); 5340 error = EINVAL; 5341 break; 5342 } 5343 } else 5344#endif 5345 { 5346 error = EAFNOSUPPORT; 5347 SCTP_TCB_UNLOCK(stcb); 5348 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5349 break; 5350 } 5351 } 5352 /* sanity checks */ 5353 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5354 if (stcb) 5355 SCTP_TCB_UNLOCK(stcb); 5356 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5357 return (EINVAL); 5358 } 5359 5360 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5361 if (stcb) 5362 SCTP_TCB_UNLOCK(stcb); 5363 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5364 return (EINVAL); 5365 } 5366 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && 5367 ((paddrp->spp_pathmtu < SCTP_SMALLEST_PMTU) || 5368 (paddrp->spp_pathmtu > SCTP_LARGEST_PMTU))) { 5369 if (stcb) 5370 SCTP_TCB_UNLOCK(stcb); 5371 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5372 return (EINVAL); 5373 } 5374 5375 if (stcb != NULL) { 5376 /************************TCB SPECIFIC SET ******************/ 5377 if (net != NULL) { 5378 /************************NET SPECIFIC SET ******************/ 5379 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5380 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5381 !(net->dest_state & SCTP_ADDR_NOHB)) { 5382 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5383 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5384 } 5385 net->dest_state |= SCTP_ADDR_NOHB; 5386 } 5387 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5388 if (paddrp->spp_hbinterval) { 5389 net->heart_beat_delay = paddrp->spp_hbinterval; 5390 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5391 net->heart_beat_delay = 0; 5392 } 5393 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5394 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5395 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5396 net->dest_state &= ~SCTP_ADDR_NOHB; 5397 } 5398 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5399 if (SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) { 5400 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5401 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5402 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5403 } 5404 } 5405 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5406 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5407 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5408 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5409 } 5410 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5411 net->mtu = paddrp->spp_pathmtu; 5412 switch (net->ro._l_addr.sa.sa_family) { 5413#ifdef INET 5414 case AF_INET: 5415 net->mtu += SCTP_MIN_V4_OVERHEAD; 5416 break; 5417#endif 5418#ifdef INET6 5419 case AF_INET6: 5420 net->mtu += SCTP_MIN_OVERHEAD; 5421 break; 5422#endif 5423 default: 5424 break; 5425 } 5426 if (net->mtu < stcb->asoc.smallest_mtu) { 5427 sctp_pathmtu_adjustment(stcb, net->mtu); 5428 } 5429 } 5430 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5431 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5432 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5433 } 5434 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5435 } 5436 if (paddrp->spp_pathmaxrxt) { 5437 if (net->dest_state & SCTP_ADDR_PF) { 5438 if (net->error_count > paddrp->spp_pathmaxrxt) { 5439 net->dest_state &= ~SCTP_ADDR_PF; 5440 } 5441 } else { 5442 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5443 (net->error_count > net->pf_threshold)) { 5444 net->dest_state |= SCTP_ADDR_PF; 5445 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5446 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5447 stcb->sctp_ep, stcb, net, 5448 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5449 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5450 } 5451 } 5452 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5453 if (net->error_count > paddrp->spp_pathmaxrxt) { 5454 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5455 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5456 } 5457 } else { 5458 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5459 net->dest_state |= SCTP_ADDR_REACHABLE; 5460 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5461 } 5462 } 5463 net->failure_threshold = paddrp->spp_pathmaxrxt; 5464 } 5465 if (paddrp->spp_flags & SPP_DSCP) { 5466 net->dscp = paddrp->spp_dscp & 0xfc; 5467 net->dscp |= 0x01; 5468 } 5469#ifdef INET6 5470 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5471 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5472 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5473 net->flowlabel |= 0x80000000; 5474 } 5475 } 5476#endif 5477 } else { 5478 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5479 if (paddrp->spp_pathmaxrxt != 0) { 5480 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5481 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5482 if (net->dest_state & SCTP_ADDR_PF) { 5483 if (net->error_count > paddrp->spp_pathmaxrxt) { 5484 net->dest_state &= ~SCTP_ADDR_PF; 5485 } 5486 } else { 5487 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5488 (net->error_count > net->pf_threshold)) { 5489 net->dest_state |= SCTP_ADDR_PF; 5490 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5491 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5492 stcb->sctp_ep, stcb, net, 5493 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5494 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5495 } 5496 } 5497 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5498 if (net->error_count > paddrp->spp_pathmaxrxt) { 5499 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5500 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5501 } 5502 } else { 5503 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5504 net->dest_state |= SCTP_ADDR_REACHABLE; 5505 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5506 } 5507 } 5508 net->failure_threshold = paddrp->spp_pathmaxrxt; 5509 } 5510 } 5511 5512 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5513 if (paddrp->spp_hbinterval != 0) { 5514 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5515 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5516 stcb->asoc.heart_beat_delay = 0; 5517 } 5518 /* Turn back on the timer */ 5519 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5520 if (paddrp->spp_hbinterval != 0) { 5521 net->heart_beat_delay = paddrp->spp_hbinterval; 5522 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5523 net->heart_beat_delay = 0; 5524 } 5525 if (net->dest_state & SCTP_ADDR_NOHB) { 5526 net->dest_state &= ~SCTP_ADDR_NOHB; 5527 } 5528 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5529 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5530 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5531 } 5532 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5533 } 5534 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5535 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5536 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5537 net->dest_state |= SCTP_ADDR_NOHB; 5538 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5539 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5540 inp, stcb, net, 5541 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5542 } 5543 } 5544 } 5545 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5546 } 5547 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5548 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5549 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5550 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5551 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5552 } 5553 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5554 net->mtu = paddrp->spp_pathmtu; 5555 switch (net->ro._l_addr.sa.sa_family) { 5556#ifdef INET 5557 case AF_INET: 5558 net->mtu += SCTP_MIN_V4_OVERHEAD; 5559 break; 5560#endif 5561#ifdef INET6 5562 case AF_INET6: 5563 net->mtu += SCTP_MIN_OVERHEAD; 5564 break; 5565#endif 5566 default: 5567 break; 5568 } 5569 if (net->mtu < stcb->asoc.smallest_mtu) { 5570 sctp_pathmtu_adjustment(stcb, net->mtu); 5571 } 5572 } 5573 stcb->asoc.default_mtu = paddrp->spp_pathmtu; 5574 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5575 } 5576 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5577 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5578 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5579 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5580 } 5581 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5582 } 5583 stcb->asoc.default_mtu = 0; 5584 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5585 } 5586 if (paddrp->spp_flags & SPP_DSCP) { 5587 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5588 net->dscp = paddrp->spp_dscp & 0xfc; 5589 net->dscp |= 0x01; 5590 } 5591 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5592 stcb->asoc.default_dscp |= 0x01; 5593 } 5594#ifdef INET6 5595 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5596 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5597 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5598 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5599 net->flowlabel |= 0x80000000; 5600 } 5601 } 5602 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5603 stcb->asoc.default_flowlabel |= 0x80000000; 5604 } 5605#endif 5606 } 5607 SCTP_TCB_UNLOCK(stcb); 5608 } else { 5609 /************************NO TCB, SET TO default stuff ******************/ 5610 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5611 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5612 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5613 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) { 5614 SCTP_INP_WLOCK(inp); 5615 /* 5616 * For the TOS/FLOWLABEL stuff you 5617 * set it with the options on the 5618 * socket 5619 */ 5620 if (paddrp->spp_pathmaxrxt != 0) { 5621 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5622 } 5623 5624 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5625 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5626 else if (paddrp->spp_hbinterval != 0) { 5627 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5628 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5629 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5630 } 5631 5632 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5633 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5634 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5635 } else if (paddrp->spp_hbinterval) { 5636 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5637 } 5638 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5639 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5640 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5641 } 5642 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5643 inp->sctp_ep.default_mtu = 0; 5644 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5645 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5646 inp->sctp_ep.default_mtu = paddrp->spp_pathmtu; 5647 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5648 } 5649 if (paddrp->spp_flags & SPP_DSCP) { 5650 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5651 inp->sctp_ep.default_dscp |= 0x01; 5652 } 5653#ifdef INET6 5654 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5655 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5656 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5657 inp->sctp_ep.default_flowlabel |= 0x80000000; 5658 } 5659 } 5660#endif 5661 SCTP_INP_WUNLOCK(inp); 5662 } else { 5663 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5664 error = EINVAL; 5665 } 5666 } 5667 break; 5668 } 5669 case SCTP_RTOINFO: 5670 { 5671 struct sctp_rtoinfo *srto; 5672 uint32_t new_init, new_min, new_max; 5673 5674 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5675 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5676 5677 if (stcb) { 5678 if (srto->srto_initial) 5679 new_init = srto->srto_initial; 5680 else 5681 new_init = stcb->asoc.initial_rto; 5682 if (srto->srto_max) 5683 new_max = srto->srto_max; 5684 else 5685 new_max = stcb->asoc.maxrto; 5686 if (srto->srto_min) 5687 new_min = srto->srto_min; 5688 else 5689 new_min = stcb->asoc.minrto; 5690 if ((new_min <= new_init) && (new_init <= new_max)) { 5691 stcb->asoc.initial_rto = new_init; 5692 stcb->asoc.maxrto = new_max; 5693 stcb->asoc.minrto = new_min; 5694 } else { 5695 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5696 error = EINVAL; 5697 } 5698 SCTP_TCB_UNLOCK(stcb); 5699 } else { 5700 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5701 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5702 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5703 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) { 5704 SCTP_INP_WLOCK(inp); 5705 if (srto->srto_initial) 5706 new_init = srto->srto_initial; 5707 else 5708 new_init = inp->sctp_ep.initial_rto; 5709 if (srto->srto_max) 5710 new_max = srto->srto_max; 5711 else 5712 new_max = inp->sctp_ep.sctp_maxrto; 5713 if (srto->srto_min) 5714 new_min = srto->srto_min; 5715 else 5716 new_min = inp->sctp_ep.sctp_minrto; 5717 if ((new_min <= new_init) && (new_init <= new_max)) { 5718 inp->sctp_ep.initial_rto = new_init; 5719 inp->sctp_ep.sctp_maxrto = new_max; 5720 inp->sctp_ep.sctp_minrto = new_min; 5721 } else { 5722 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5723 error = EINVAL; 5724 } 5725 SCTP_INP_WUNLOCK(inp); 5726 } else { 5727 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5728 error = EINVAL; 5729 } 5730 } 5731 break; 5732 } 5733 case SCTP_ASSOCINFO: 5734 { 5735 struct sctp_assocparams *sasoc; 5736 5737 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5738 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5739 if (sasoc->sasoc_cookie_life) { 5740 /* boundary check the cookie life */ 5741 if (sasoc->sasoc_cookie_life < 1000) 5742 sasoc->sasoc_cookie_life = 1000; 5743 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5744 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5745 } 5746 } 5747 if (stcb) { 5748 if (sasoc->sasoc_asocmaxrxt) 5749 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5750 if (sasoc->sasoc_cookie_life) { 5751 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5752 } 5753 SCTP_TCB_UNLOCK(stcb); 5754 } else { 5755 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5756 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5757 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5758 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) { 5759 SCTP_INP_WLOCK(inp); 5760 if (sasoc->sasoc_asocmaxrxt) 5761 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5762 if (sasoc->sasoc_cookie_life) { 5763 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5764 } 5765 SCTP_INP_WUNLOCK(inp); 5766 } else { 5767 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5768 error = EINVAL; 5769 } 5770 } 5771 break; 5772 } 5773 case SCTP_INITMSG: 5774 { 5775 struct sctp_initmsg *sinit; 5776 5777 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5778 SCTP_INP_WLOCK(inp); 5779 if (sinit->sinit_num_ostreams) 5780 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5781 5782 if (sinit->sinit_max_instreams) 5783 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5784 5785 if (sinit->sinit_max_attempts) 5786 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5787 5788 if (sinit->sinit_max_init_timeo) 5789 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5790 SCTP_INP_WUNLOCK(inp); 5791 break; 5792 } 5793 case SCTP_PRIMARY_ADDR: 5794 { 5795 struct sctp_setprim *spa; 5796 struct sctp_nets *net; 5797 struct sockaddr *addr; 5798#if defined(INET) && defined(INET6) 5799 struct sockaddr_in sin_store; 5800#endif 5801 5802 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5803 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5804 5805#if defined(INET) && defined(INET6) 5806 if (spa->ssp_addr.ss_family == AF_INET6) { 5807 struct sockaddr_in6 *sin6; 5808 5809 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5810 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5811 in6_sin6_2_sin(&sin_store, sin6); 5812 addr = (struct sockaddr *)&sin_store; 5813 } else { 5814 addr = (struct sockaddr *)&spa->ssp_addr; 5815 } 5816 } else { 5817 addr = (struct sockaddr *)&spa->ssp_addr; 5818 } 5819#else 5820 addr = (struct sockaddr *)&spa->ssp_addr; 5821#endif 5822 if (stcb != NULL) { 5823 net = sctp_findnet(stcb, addr); 5824 } else { 5825 /* 5826 * We increment here since 5827 * sctp_findassociation_ep_addr() wil do a 5828 * decrement if it finds the stcb as long as 5829 * the locked tcb (last argument) is NOT a 5830 * TCB.. aka NULL. 5831 */ 5832 net = NULL; 5833 SCTP_INP_INCR_REF(inp); 5834 stcb = sctp_findassociation_ep_addr(&inp, addr, 5835 &net, NULL, NULL); 5836 if (stcb == NULL) { 5837 SCTP_INP_DECR_REF(inp); 5838 } 5839 } 5840 5841 if ((stcb != NULL) && (net != NULL)) { 5842 if (net != stcb->asoc.primary_destination) { 5843 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5844 /* Ok we need to set it */ 5845 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5846 if ((stcb->asoc.alternate) && 5847 (!(net->dest_state & SCTP_ADDR_PF)) && 5848 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5849 sctp_free_remote_addr(stcb->asoc.alternate); 5850 stcb->asoc.alternate = NULL; 5851 } 5852 } else { 5853 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5854 error = EINVAL; 5855 } 5856 } else { 5857 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5858 error = EINVAL; 5859 } 5860 } 5861 } else { 5862 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5863 error = EINVAL; 5864 } 5865 if (stcb != NULL) { 5866 SCTP_TCB_UNLOCK(stcb); 5867 } 5868 break; 5869 } 5870 case SCTP_SET_DYNAMIC_PRIMARY: 5871 { 5872 union sctp_sockstore *ss; 5873 5874 error = priv_check(curthread, 5875 PRIV_NETINET_RESERVEDPORT); 5876 if (error) 5877 break; 5878 5879 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5880 /* SUPER USER CHECK? */ 5881 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5882 break; 5883 } 5884 case SCTP_SET_PEER_PRIMARY_ADDR: 5885 { 5886 struct sctp_setpeerprim *sspp; 5887 struct sockaddr *addr; 5888#if defined(INET) && defined(INET6) 5889 struct sockaddr_in sin_store; 5890#endif 5891 5892 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5893 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5894 if (stcb != NULL) { 5895 struct sctp_ifa *ifa; 5896 5897#if defined(INET) && defined(INET6) 5898 if (sspp->sspp_addr.ss_family == AF_INET6) { 5899 struct sockaddr_in6 *sin6; 5900 5901 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5902 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5903 in6_sin6_2_sin(&sin_store, sin6); 5904 addr = (struct sockaddr *)&sin_store; 5905 } else { 5906 addr = (struct sockaddr *)&sspp->sspp_addr; 5907 } 5908 } else { 5909 addr = (struct sockaddr *)&sspp->sspp_addr; 5910 } 5911#else 5912 addr = (struct sockaddr *)&sspp->sspp_addr; 5913#endif 5914 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5915 if (ifa == NULL) { 5916 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5917 error = EINVAL; 5918 goto out_of_it; 5919 } 5920 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5921 /* 5922 * Must validate the ifa found is in 5923 * our ep 5924 */ 5925 struct sctp_laddr *laddr; 5926 int found = 0; 5927 5928 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5929 if (laddr->ifa == NULL) { 5930 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5931 __func__); 5932 continue; 5933 } 5934 if ((sctp_is_addr_restricted(stcb, laddr->ifa)) && 5935 (!sctp_is_addr_pending(stcb, laddr->ifa))) { 5936 continue; 5937 } 5938 if (laddr->ifa == ifa) { 5939 found = 1; 5940 break; 5941 } 5942 } 5943 if (!found) { 5944 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5945 error = EINVAL; 5946 goto out_of_it; 5947 } 5948 } else { 5949 switch (addr->sa_family) { 5950#ifdef INET 5951 case AF_INET: 5952 { 5953 struct sockaddr_in *sin; 5954 5955 sin = (struct sockaddr_in *)addr; 5956 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5957 &sin->sin_addr) != 0) { 5958 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5959 error = EINVAL; 5960 goto out_of_it; 5961 } 5962 break; 5963 } 5964#endif 5965#ifdef INET6 5966 case AF_INET6: 5967 { 5968 struct sockaddr_in6 *sin6; 5969 5970 sin6 = (struct sockaddr_in6 *)addr; 5971 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5972 &sin6->sin6_addr) != 0) { 5973 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5974 error = EINVAL; 5975 goto out_of_it; 5976 } 5977 break; 5978 } 5979#endif 5980 default: 5981 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5982 error = EINVAL; 5983 goto out_of_it; 5984 } 5985 } 5986 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5987 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5988 error = EINVAL; 5989 } 5990 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5991 out_of_it: 5992 SCTP_TCB_UNLOCK(stcb); 5993 } else { 5994 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5995 error = EINVAL; 5996 } 5997 break; 5998 } 5999 case SCTP_BINDX_ADD_ADDR: 6000 { 6001 struct sctp_getaddresses *addrs; 6002 struct thread *td; 6003 6004 td = (struct thread *)p; 6005 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 6006 optsize); 6007#ifdef INET 6008 if (addrs->addr->sa_family == AF_INET) { 6009 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 6010 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6011 error = EINVAL; 6012 break; 6013 } 6014 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 6015 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6016 break; 6017 } 6018 } else 6019#endif 6020#ifdef INET6 6021 if (addrs->addr->sa_family == AF_INET6) { 6022 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 6023 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6024 error = EINVAL; 6025 break; 6026 } 6027 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 6028 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 6029 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6030 break; 6031 } 6032 } else 6033#endif 6034 { 6035 error = EAFNOSUPPORT; 6036 break; 6037 } 6038 sctp_bindx_add_address(so, inp, addrs->addr, 6039 addrs->sget_assoc_id, vrf_id, 6040 &error, p); 6041 break; 6042 } 6043 case SCTP_BINDX_REM_ADDR: 6044 { 6045 struct sctp_getaddresses *addrs; 6046 struct thread *td; 6047 6048 td = (struct thread *)p; 6049 6050 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 6051#ifdef INET 6052 if (addrs->addr->sa_family == AF_INET) { 6053 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 6054 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6055 error = EINVAL; 6056 break; 6057 } 6058 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 6059 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6060 break; 6061 } 6062 } else 6063#endif 6064#ifdef INET6 6065 if (addrs->addr->sa_family == AF_INET6) { 6066 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 6067 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6068 error = EINVAL; 6069 break; 6070 } 6071 if (td != NULL && 6072 (error = prison_local_ip6(td->td_ucred, 6073 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 6074 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 6075 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6076 break; 6077 } 6078 } else 6079#endif 6080 { 6081 error = EAFNOSUPPORT; 6082 break; 6083 } 6084 sctp_bindx_delete_address(inp, addrs->addr, 6085 addrs->sget_assoc_id, vrf_id, 6086 &error); 6087 break; 6088 } 6089 case SCTP_EVENT: 6090 { 6091 struct sctp_event *event; 6092 uint32_t event_type; 6093 6094 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 6095 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 6096 switch (event->se_type) { 6097 case SCTP_ASSOC_CHANGE: 6098 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 6099 break; 6100 case SCTP_PEER_ADDR_CHANGE: 6101 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 6102 break; 6103 case SCTP_REMOTE_ERROR: 6104 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 6105 break; 6106 case SCTP_SEND_FAILED: 6107 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 6108 break; 6109 case SCTP_SHUTDOWN_EVENT: 6110 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 6111 break; 6112 case SCTP_ADAPTATION_INDICATION: 6113 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 6114 break; 6115 case SCTP_PARTIAL_DELIVERY_EVENT: 6116 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 6117 break; 6118 case SCTP_AUTHENTICATION_EVENT: 6119 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 6120 break; 6121 case SCTP_STREAM_RESET_EVENT: 6122 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 6123 break; 6124 case SCTP_SENDER_DRY_EVENT: 6125 event_type = SCTP_PCB_FLAGS_DRYEVNT; 6126 break; 6127 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 6128 event_type = 0; 6129 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6130 error = ENOTSUP; 6131 break; 6132 case SCTP_ASSOC_RESET_EVENT: 6133 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 6134 break; 6135 case SCTP_STREAM_CHANGE_EVENT: 6136 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 6137 break; 6138 case SCTP_SEND_FAILED_EVENT: 6139 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 6140 break; 6141 default: 6142 event_type = 0; 6143 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6144 error = EINVAL; 6145 break; 6146 } 6147 if (event_type > 0) { 6148 if (stcb) { 6149 if (event->se_on) { 6150 sctp_stcb_feature_on(inp, stcb, event_type); 6151 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 6152 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 6153 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 6154 (stcb->asoc.stream_queue_cnt == 0)) { 6155 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 6156 } 6157 } 6158 } else { 6159 sctp_stcb_feature_off(inp, stcb, event_type); 6160 } 6161 SCTP_TCB_UNLOCK(stcb); 6162 } else { 6163 /* 6164 * We don't want to send up a storm 6165 * of events, so return an error for 6166 * sender dry events 6167 */ 6168 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 6169 (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6170 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 6171 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 6172 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6173 error = ENOTSUP; 6174 break; 6175 } 6176 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6177 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6178 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6179 ((event->se_assoc_id == SCTP_FUTURE_ASSOC) || 6180 (event->se_assoc_id == SCTP_ALL_ASSOC)))) { 6181 SCTP_INP_WLOCK(inp); 6182 if (event->se_on) { 6183 sctp_feature_on(inp, event_type); 6184 } else { 6185 sctp_feature_off(inp, event_type); 6186 } 6187 SCTP_INP_WUNLOCK(inp); 6188 } 6189 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6190 ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 6191 (event->se_assoc_id == SCTP_ALL_ASSOC))) { 6192 SCTP_INP_RLOCK(inp); 6193 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6194 SCTP_TCB_LOCK(stcb); 6195 if (event->se_on) { 6196 sctp_stcb_feature_on(inp, stcb, event_type); 6197 } else { 6198 sctp_stcb_feature_off(inp, stcb, event_type); 6199 } 6200 SCTP_TCB_UNLOCK(stcb); 6201 } 6202 SCTP_INP_RUNLOCK(inp); 6203 } 6204 } 6205 } else { 6206 if (stcb) { 6207 SCTP_TCB_UNLOCK(stcb); 6208 } 6209 } 6210 break; 6211 } 6212 case SCTP_RECVRCVINFO: 6213 { 6214 int *onoff; 6215 6216 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6217 SCTP_INP_WLOCK(inp); 6218 if (*onoff != 0) { 6219 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6220 } else { 6221 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6222 } 6223 SCTP_INP_WUNLOCK(inp); 6224 break; 6225 } 6226 case SCTP_RECVNXTINFO: 6227 { 6228 int *onoff; 6229 6230 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6231 SCTP_INP_WLOCK(inp); 6232 if (*onoff != 0) { 6233 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6234 } else { 6235 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6236 } 6237 SCTP_INP_WUNLOCK(inp); 6238 break; 6239 } 6240 case SCTP_DEFAULT_SNDINFO: 6241 { 6242 struct sctp_sndinfo *info; 6243 uint16_t policy; 6244 6245 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6246 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6247 6248 if (stcb) { 6249 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6250 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6251 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6252 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6253 stcb->asoc.def_send.sinfo_flags |= policy; 6254 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6255 stcb->asoc.def_send.sinfo_context = info->snd_context; 6256 } else { 6257 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6258 error = EINVAL; 6259 } 6260 SCTP_TCB_UNLOCK(stcb); 6261 } else { 6262 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6263 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6264 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6265 ((info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6266 (info->snd_assoc_id == SCTP_ALL_ASSOC)))) { 6267 SCTP_INP_WLOCK(inp); 6268 inp->def_send.sinfo_stream = info->snd_sid; 6269 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6270 inp->def_send.sinfo_flags = info->snd_flags; 6271 inp->def_send.sinfo_flags |= policy; 6272 inp->def_send.sinfo_ppid = info->snd_ppid; 6273 inp->def_send.sinfo_context = info->snd_context; 6274 SCTP_INP_WUNLOCK(inp); 6275 } 6276 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6277 ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6278 (info->snd_assoc_id == SCTP_ALL_ASSOC))) { 6279 SCTP_INP_RLOCK(inp); 6280 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6281 SCTP_TCB_LOCK(stcb); 6282 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6283 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6284 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6285 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6286 stcb->asoc.def_send.sinfo_flags |= policy; 6287 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6288 stcb->asoc.def_send.sinfo_context = info->snd_context; 6289 } 6290 SCTP_TCB_UNLOCK(stcb); 6291 } 6292 SCTP_INP_RUNLOCK(inp); 6293 } 6294 } 6295 break; 6296 } 6297 case SCTP_DEFAULT_PRINFO: 6298 { 6299 struct sctp_default_prinfo *info; 6300 6301 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6302 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6303 6304 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6305 if (stcb) { 6306 SCTP_TCB_UNLOCK(stcb); 6307 } 6308 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6309 error = EINVAL; 6310 break; 6311 } 6312 if (stcb) { 6313 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6314 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6315 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6316 SCTP_TCB_UNLOCK(stcb); 6317 } else { 6318 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6319 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6320 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6321 ((info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6322 (info->pr_assoc_id == SCTP_ALL_ASSOC)))) { 6323 SCTP_INP_WLOCK(inp); 6324 inp->def_send.sinfo_flags &= 0xfff0; 6325 inp->def_send.sinfo_flags |= info->pr_policy; 6326 inp->def_send.sinfo_timetolive = info->pr_value; 6327 SCTP_INP_WUNLOCK(inp); 6328 } 6329 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6330 ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6331 (info->pr_assoc_id == SCTP_ALL_ASSOC))) { 6332 SCTP_INP_RLOCK(inp); 6333 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6334 SCTP_TCB_LOCK(stcb); 6335 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6336 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6337 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6338 SCTP_TCB_UNLOCK(stcb); 6339 } 6340 SCTP_INP_RUNLOCK(inp); 6341 } 6342 } 6343 break; 6344 } 6345 case SCTP_PEER_ADDR_THLDS: 6346 /* Applies to the specific association */ 6347 { 6348 struct sctp_paddrthlds *thlds; 6349 struct sctp_nets *net; 6350 struct sockaddr *addr; 6351#if defined(INET) && defined(INET6) 6352 struct sockaddr_in sin_store; 6353#endif 6354 6355 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6356 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6357 6358#if defined(INET) && defined(INET6) 6359 if (thlds->spt_address.ss_family == AF_INET6) { 6360 struct sockaddr_in6 *sin6; 6361 6362 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6363 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6364 in6_sin6_2_sin(&sin_store, sin6); 6365 addr = (struct sockaddr *)&sin_store; 6366 } else { 6367 addr = (struct sockaddr *)&thlds->spt_address; 6368 } 6369 } else { 6370 addr = (struct sockaddr *)&thlds->spt_address; 6371 } 6372#else 6373 addr = (struct sockaddr *)&thlds->spt_address; 6374#endif 6375 if (stcb != NULL) { 6376 net = sctp_findnet(stcb, addr); 6377 } else { 6378 /* 6379 * We increment here since 6380 * sctp_findassociation_ep_addr() wil do a 6381 * decrement if it finds the stcb as long as 6382 * the locked tcb (last argument) is NOT a 6383 * TCB.. aka NULL. 6384 */ 6385 net = NULL; 6386 SCTP_INP_INCR_REF(inp); 6387 stcb = sctp_findassociation_ep_addr(&inp, addr, 6388 &net, NULL, NULL); 6389 if (stcb == NULL) { 6390 SCTP_INP_DECR_REF(inp); 6391 } 6392 } 6393 if ((stcb != NULL) && (net == NULL)) { 6394#ifdef INET 6395 if (addr->sa_family == AF_INET) { 6396 6397 struct sockaddr_in *sin; 6398 6399 sin = (struct sockaddr_in *)addr; 6400 if (sin->sin_addr.s_addr != INADDR_ANY) { 6401 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6402 SCTP_TCB_UNLOCK(stcb); 6403 error = EINVAL; 6404 break; 6405 } 6406 } else 6407#endif 6408#ifdef INET6 6409 if (addr->sa_family == AF_INET6) { 6410 struct sockaddr_in6 *sin6; 6411 6412 sin6 = (struct sockaddr_in6 *)addr; 6413 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6414 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6415 SCTP_TCB_UNLOCK(stcb); 6416 error = EINVAL; 6417 break; 6418 } 6419 } else 6420#endif 6421 { 6422 error = EAFNOSUPPORT; 6423 SCTP_TCB_UNLOCK(stcb); 6424 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6425 break; 6426 } 6427 } 6428 if (thlds->spt_pathcpthld != 0xffff) { 6429 if (stcb != NULL) { 6430 SCTP_TCB_UNLOCK(stcb); 6431 } 6432 error = EINVAL; 6433 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6434 break; 6435 } 6436 if (stcb != NULL) { 6437 if (net != NULL) { 6438 net->failure_threshold = thlds->spt_pathmaxrxt; 6439 net->pf_threshold = thlds->spt_pathpfthld; 6440 if (net->dest_state & SCTP_ADDR_PF) { 6441 if ((net->error_count > net->failure_threshold) || 6442 (net->error_count <= net->pf_threshold)) { 6443 net->dest_state &= ~SCTP_ADDR_PF; 6444 } 6445 } else { 6446 if ((net->error_count > net->pf_threshold) && 6447 (net->error_count <= net->failure_threshold)) { 6448 net->dest_state |= SCTP_ADDR_PF; 6449 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6450 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6451 stcb->sctp_ep, stcb, net, 6452 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); 6453 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6454 } 6455 } 6456 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6457 if (net->error_count > net->failure_threshold) { 6458 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6459 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6460 } 6461 } else { 6462 if (net->error_count <= net->failure_threshold) { 6463 net->dest_state |= SCTP_ADDR_REACHABLE; 6464 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6465 } 6466 } 6467 } else { 6468 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6469 net->failure_threshold = thlds->spt_pathmaxrxt; 6470 net->pf_threshold = thlds->spt_pathpfthld; 6471 if (net->dest_state & SCTP_ADDR_PF) { 6472 if ((net->error_count > net->failure_threshold) || 6473 (net->error_count <= net->pf_threshold)) { 6474 net->dest_state &= ~SCTP_ADDR_PF; 6475 } 6476 } else { 6477 if ((net->error_count > net->pf_threshold) && 6478 (net->error_count <= net->failure_threshold)) { 6479 net->dest_state |= SCTP_ADDR_PF; 6480 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6481 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6482 stcb->sctp_ep, stcb, net, 6483 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6484 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6485 } 6486 } 6487 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6488 if (net->error_count > net->failure_threshold) { 6489 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6490 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6491 } 6492 } else { 6493 if (net->error_count <= net->failure_threshold) { 6494 net->dest_state |= SCTP_ADDR_REACHABLE; 6495 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6496 } 6497 } 6498 } 6499 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6500 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6501 } 6502 SCTP_TCB_UNLOCK(stcb); 6503 } else { 6504 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6505 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6506 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6507 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) { 6508 SCTP_INP_WLOCK(inp); 6509 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6510 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6511 SCTP_INP_WUNLOCK(inp); 6512 } else { 6513 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6514 error = EINVAL; 6515 } 6516 } 6517 break; 6518 } 6519 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6520 { 6521 struct sctp_udpencaps *encaps; 6522 struct sctp_nets *net; 6523 struct sockaddr *addr; 6524#if defined(INET) && defined(INET6) 6525 struct sockaddr_in sin_store; 6526#endif 6527 6528 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6529 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6530 6531#if defined(INET) && defined(INET6) 6532 if (encaps->sue_address.ss_family == AF_INET6) { 6533 struct sockaddr_in6 *sin6; 6534 6535 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6536 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6537 in6_sin6_2_sin(&sin_store, sin6); 6538 addr = (struct sockaddr *)&sin_store; 6539 } else { 6540 addr = (struct sockaddr *)&encaps->sue_address; 6541 } 6542 } else { 6543 addr = (struct sockaddr *)&encaps->sue_address; 6544 } 6545#else 6546 addr = (struct sockaddr *)&encaps->sue_address; 6547#endif 6548 if (stcb != NULL) { 6549 net = sctp_findnet(stcb, addr); 6550 } else { 6551 /* 6552 * We increment here since 6553 * sctp_findassociation_ep_addr() wil do a 6554 * decrement if it finds the stcb as long as 6555 * the locked tcb (last argument) is NOT a 6556 * TCB.. aka NULL. 6557 */ 6558 net = NULL; 6559 SCTP_INP_INCR_REF(inp); 6560 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6561 if (stcb == NULL) { 6562 SCTP_INP_DECR_REF(inp); 6563 } 6564 } 6565 if ((stcb != NULL) && (net == NULL)) { 6566#ifdef INET 6567 if (addr->sa_family == AF_INET) { 6568 6569 struct sockaddr_in *sin; 6570 6571 sin = (struct sockaddr_in *)addr; 6572 if (sin->sin_addr.s_addr != INADDR_ANY) { 6573 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6574 SCTP_TCB_UNLOCK(stcb); 6575 error = EINVAL; 6576 break; 6577 } 6578 } else 6579#endif 6580#ifdef INET6 6581 if (addr->sa_family == AF_INET6) { 6582 struct sockaddr_in6 *sin6; 6583 6584 sin6 = (struct sockaddr_in6 *)addr; 6585 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6586 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6587 SCTP_TCB_UNLOCK(stcb); 6588 error = EINVAL; 6589 break; 6590 } 6591 } else 6592#endif 6593 { 6594 error = EAFNOSUPPORT; 6595 SCTP_TCB_UNLOCK(stcb); 6596 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6597 break; 6598 } 6599 } 6600 6601 if (stcb != NULL) { 6602 if (net != NULL) { 6603 net->port = encaps->sue_port; 6604 } else { 6605 stcb->asoc.port = encaps->sue_port; 6606 } 6607 SCTP_TCB_UNLOCK(stcb); 6608 } else { 6609 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6610 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6611 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6612 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) { 6613 SCTP_INP_WLOCK(inp); 6614 inp->sctp_ep.port = encaps->sue_port; 6615 SCTP_INP_WUNLOCK(inp); 6616 } else { 6617 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6618 error = EINVAL; 6619 } 6620 } 6621 break; 6622 } 6623 case SCTP_ECN_SUPPORTED: 6624 { 6625 struct sctp_assoc_value *av; 6626 6627 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6628 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6629 6630 if (stcb) { 6631 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6632 error = EINVAL; 6633 SCTP_TCB_UNLOCK(stcb); 6634 } else { 6635 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6636 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6637 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6638 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6639 SCTP_INP_WLOCK(inp); 6640 if (av->assoc_value == 0) { 6641 inp->ecn_supported = 0; 6642 } else { 6643 inp->ecn_supported = 1; 6644 } 6645 SCTP_INP_WUNLOCK(inp); 6646 } else { 6647 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6648 error = EINVAL; 6649 } 6650 } 6651 break; 6652 } 6653 case SCTP_PR_SUPPORTED: 6654 { 6655 struct sctp_assoc_value *av; 6656 6657 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6658 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6659 6660 if (stcb) { 6661 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6662 error = EINVAL; 6663 SCTP_TCB_UNLOCK(stcb); 6664 } else { 6665 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6666 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6667 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6668 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6669 SCTP_INP_WLOCK(inp); 6670 if (av->assoc_value == 0) { 6671 inp->prsctp_supported = 0; 6672 } else { 6673 inp->prsctp_supported = 1; 6674 } 6675 SCTP_INP_WUNLOCK(inp); 6676 } else { 6677 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6678 error = EINVAL; 6679 } 6680 } 6681 break; 6682 } 6683 case SCTP_AUTH_SUPPORTED: 6684 { 6685 struct sctp_assoc_value *av; 6686 6687 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6688 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6689 6690 if (stcb) { 6691 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6692 error = EINVAL; 6693 SCTP_TCB_UNLOCK(stcb); 6694 } else { 6695 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6696 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6697 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6698 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6699 if ((av->assoc_value == 0) && 6700 (inp->asconf_supported == 1)) { 6701 /* 6702 * AUTH is required for 6703 * ASCONF 6704 */ 6705 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6706 error = EINVAL; 6707 } else { 6708 SCTP_INP_WLOCK(inp); 6709 if (av->assoc_value == 0) { 6710 inp->auth_supported = 0; 6711 } else { 6712 inp->auth_supported = 1; 6713 } 6714 SCTP_INP_WUNLOCK(inp); 6715 } 6716 } else { 6717 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6718 error = EINVAL; 6719 } 6720 } 6721 break; 6722 } 6723 case SCTP_ASCONF_SUPPORTED: 6724 { 6725 struct sctp_assoc_value *av; 6726 6727 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6728 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6729 6730 if (stcb) { 6731 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6732 error = EINVAL; 6733 SCTP_TCB_UNLOCK(stcb); 6734 } else { 6735 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6736 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6737 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6738 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6739 if ((av->assoc_value != 0) && 6740 (inp->auth_supported == 0)) { 6741 /* 6742 * AUTH is required for 6743 * ASCONF 6744 */ 6745 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6746 error = EINVAL; 6747 } else { 6748 SCTP_INP_WLOCK(inp); 6749 if (av->assoc_value == 0) { 6750 inp->asconf_supported = 0; 6751 sctp_auth_delete_chunk(SCTP_ASCONF, 6752 inp->sctp_ep.local_auth_chunks); 6753 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6754 inp->sctp_ep.local_auth_chunks); 6755 } else { 6756 inp->asconf_supported = 1; 6757 sctp_auth_add_chunk(SCTP_ASCONF, 6758 inp->sctp_ep.local_auth_chunks); 6759 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6760 inp->sctp_ep.local_auth_chunks); 6761 } 6762 SCTP_INP_WUNLOCK(inp); 6763 } 6764 } else { 6765 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6766 error = EINVAL; 6767 } 6768 } 6769 break; 6770 } 6771 case SCTP_RECONFIG_SUPPORTED: 6772 { 6773 struct sctp_assoc_value *av; 6774 6775 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6776 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6777 6778 if (stcb) { 6779 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6780 error = EINVAL; 6781 SCTP_TCB_UNLOCK(stcb); 6782 } else { 6783 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6784 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6785 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6786 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6787 SCTP_INP_WLOCK(inp); 6788 if (av->assoc_value == 0) { 6789 inp->reconfig_supported = 0; 6790 } else { 6791 inp->reconfig_supported = 1; 6792 } 6793 SCTP_INP_WUNLOCK(inp); 6794 } else { 6795 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6796 error = EINVAL; 6797 } 6798 } 6799 break; 6800 } 6801 case SCTP_NRSACK_SUPPORTED: 6802 { 6803 struct sctp_assoc_value *av; 6804 6805 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6806 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6807 6808 if (stcb) { 6809 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6810 error = EINVAL; 6811 SCTP_TCB_UNLOCK(stcb); 6812 } else { 6813 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6814 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6815 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6816 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6817 SCTP_INP_WLOCK(inp); 6818 if (av->assoc_value == 0) { 6819 inp->nrsack_supported = 0; 6820 } else { 6821 inp->nrsack_supported = 1; 6822 } 6823 SCTP_INP_WUNLOCK(inp); 6824 } else { 6825 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6826 error = EINVAL; 6827 } 6828 } 6829 break; 6830 } 6831 case SCTP_PKTDROP_SUPPORTED: 6832 { 6833 struct sctp_assoc_value *av; 6834 6835 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6836 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6837 6838 if (stcb) { 6839 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6840 error = EINVAL; 6841 SCTP_TCB_UNLOCK(stcb); 6842 } else { 6843 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6844 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6845 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6846 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6847 SCTP_INP_WLOCK(inp); 6848 if (av->assoc_value == 0) { 6849 inp->pktdrop_supported = 0; 6850 } else { 6851 inp->pktdrop_supported = 1; 6852 } 6853 SCTP_INP_WUNLOCK(inp); 6854 } else { 6855 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6856 error = EINVAL; 6857 } 6858 } 6859 break; 6860 } 6861 case SCTP_MAX_CWND: 6862 { 6863 struct sctp_assoc_value *av; 6864 struct sctp_nets *net; 6865 6866 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6867 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6868 6869 if (stcb) { 6870 stcb->asoc.max_cwnd = av->assoc_value; 6871 if (stcb->asoc.max_cwnd > 0) { 6872 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6873 if ((net->cwnd > stcb->asoc.max_cwnd) && 6874 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6875 net->cwnd = stcb->asoc.max_cwnd; 6876 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6877 net->cwnd = net->mtu - sizeof(struct sctphdr); 6878 } 6879 } 6880 } 6881 } 6882 SCTP_TCB_UNLOCK(stcb); 6883 } else { 6884 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6885 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6886 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6887 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6888 SCTP_INP_WLOCK(inp); 6889 inp->max_cwnd = av->assoc_value; 6890 SCTP_INP_WUNLOCK(inp); 6891 } else { 6892 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6893 error = EINVAL; 6894 } 6895 } 6896 break; 6897 } 6898 default: 6899 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6900 error = ENOPROTOOPT; 6901 break; 6902 } /* end switch (opt) */ 6903 return (error); 6904} 6905 6906int 6907sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6908{ 6909 void *optval = NULL; 6910 size_t optsize = 0; 6911 void *p; 6912 int error = 0; 6913 struct sctp_inpcb *inp; 6914 6915 if ((sopt->sopt_level == SOL_SOCKET) && 6916 (sopt->sopt_name == SO_SETFIB)) { 6917 inp = (struct sctp_inpcb *)so->so_pcb; 6918 if (inp == NULL) { 6919 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6920 return (EINVAL); 6921 } 6922 SCTP_INP_WLOCK(inp); 6923 inp->fibnum = so->so_fibnum; 6924 SCTP_INP_WUNLOCK(inp); 6925 return (0); 6926 } 6927 if (sopt->sopt_level != IPPROTO_SCTP) { 6928 /* wrong proto level... send back up to IP */ 6929#ifdef INET6 6930 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6931 error = ip6_ctloutput(so, sopt); 6932#endif /* INET6 */ 6933#if defined(INET) && defined(INET6) 6934 else 6935#endif 6936#ifdef INET 6937 error = ip_ctloutput(so, sopt); 6938#endif 6939 return (error); 6940 } 6941 optsize = sopt->sopt_valsize; 6942 if (optsize > SCTP_SOCKET_OPTION_LIMIT) { 6943 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6944 return (ENOBUFS); 6945 } 6946 if (optsize) { 6947 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6948 if (optval == NULL) { 6949 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6950 return (ENOBUFS); 6951 } 6952 error = sooptcopyin(sopt, optval, optsize, optsize); 6953 if (error) { 6954 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6955 goto out; 6956 } 6957 } 6958 p = (void *)sopt->sopt_td; 6959 if (sopt->sopt_dir == SOPT_SET) { 6960 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6961 } else if (sopt->sopt_dir == SOPT_GET) { 6962 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6963 } else { 6964 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6965 error = EINVAL; 6966 } 6967 if ((error == 0) && (optval != NULL)) { 6968 error = sooptcopyout(sopt, optval, optsize); 6969 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6970 } else if (optval != NULL) { 6971 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6972 } 6973out: 6974 return (error); 6975} 6976 6977#ifdef INET 6978static int 6979sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6980{ 6981 int error = 0; 6982 int create_lock_on = 0; 6983 uint32_t vrf_id; 6984 struct sctp_inpcb *inp; 6985 struct sctp_tcb *stcb = NULL; 6986 6987 inp = (struct sctp_inpcb *)so->so_pcb; 6988 if (inp == NULL) { 6989 /* I made the same as TCP since we are not setup? */ 6990 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6991 return (ECONNRESET); 6992 } 6993 if (addr == NULL) { 6994 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6995 return EINVAL; 6996 } 6997 6998 switch (addr->sa_family) { 6999#ifdef INET6 7000 case AF_INET6: 7001 { 7002 struct sockaddr_in6 *sin6p; 7003 7004 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 7005 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7006 return (EINVAL); 7007 } 7008 sin6p = (struct sockaddr_in6 *)addr; 7009 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 7010 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7011 return (error); 7012 } 7013 break; 7014 } 7015#endif 7016#ifdef INET 7017 case AF_INET: 7018 { 7019 struct sockaddr_in *sinp; 7020 7021 if (addr->sa_len != sizeof(struct sockaddr_in)) { 7022 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7023 return (EINVAL); 7024 } 7025 sinp = (struct sockaddr_in *)addr; 7026 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 7027 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7028 return (error); 7029 } 7030 break; 7031 } 7032#endif 7033 default: 7034 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 7035 return (EAFNOSUPPORT); 7036 } 7037 SCTP_INP_INCR_REF(inp); 7038 SCTP_ASOC_CREATE_LOCK(inp); 7039 create_lock_on = 1; 7040 7041 7042 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 7043 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 7044 /* Should I really unlock ? */ 7045 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 7046 error = EFAULT; 7047 goto out_now; 7048 } 7049#ifdef INET6 7050 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 7051 (addr->sa_family == AF_INET6)) { 7052 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7053 error = EINVAL; 7054 goto out_now; 7055 } 7056#endif 7057 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 7058 SCTP_PCB_FLAGS_UNBOUND) { 7059 /* Bind a ephemeral port */ 7060 error = sctp_inpcb_bind(so, NULL, NULL, p); 7061 if (error) { 7062 goto out_now; 7063 } 7064 } 7065 /* Now do we connect? */ 7066 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 7067 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 7068 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7069 error = EINVAL; 7070 goto out_now; 7071 } 7072 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7073 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7074 /* We are already connected AND the TCP model */ 7075 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7076 error = EADDRINUSE; 7077 goto out_now; 7078 } 7079 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7080 SCTP_INP_RLOCK(inp); 7081 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7082 SCTP_INP_RUNLOCK(inp); 7083 } else { 7084 /* 7085 * We increment here since sctp_findassociation_ep_addr() 7086 * will do a decrement if it finds the stcb as long as the 7087 * locked tcb (last argument) is NOT a TCB.. aka NULL. 7088 */ 7089 SCTP_INP_INCR_REF(inp); 7090 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 7091 if (stcb == NULL) { 7092 SCTP_INP_DECR_REF(inp); 7093 } else { 7094 SCTP_TCB_UNLOCK(stcb); 7095 } 7096 } 7097 if (stcb != NULL) { 7098 /* Already have or am bring up an association */ 7099 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 7100 error = EALREADY; 7101 goto out_now; 7102 } 7103 7104 vrf_id = inp->def_vrf_id; 7105 /* We are GOOD to go */ 7106 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, 7107 inp->sctp_ep.pre_open_stream_count, 7108 inp->sctp_ep.port, p, 7109 SCTP_INITIALIZE_AUTH_PARAMS); 7110 if (stcb == NULL) { 7111 /* Gak! no memory */ 7112 goto out_now; 7113 } 7114 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 7115 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 7116 /* Set the connected flag so we can queue data */ 7117 soisconnecting(so); 7118 } 7119 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 7120 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 7121 7122 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 7123 SCTP_TCB_UNLOCK(stcb); 7124out_now: 7125 if (create_lock_on) { 7126 SCTP_ASOC_CREATE_UNLOCK(inp); 7127 } 7128 7129 SCTP_INP_DECR_REF(inp); 7130 return (error); 7131} 7132#endif 7133 7134int 7135sctp_listen(struct socket *so, int backlog, struct thread *p) 7136{ 7137 /* 7138 * Note this module depends on the protocol processing being called 7139 * AFTER any socket level flags and backlog are applied to the 7140 * socket. The traditional way that the socket flags are applied is 7141 * AFTER protocol processing. We have made a change to the 7142 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 7143 * place if the socket API for SCTP is to work properly. 7144 */ 7145 7146 int error = 0; 7147 struct sctp_inpcb *inp; 7148 7149 inp = (struct sctp_inpcb *)so->so_pcb; 7150 if (inp == NULL) { 7151 /* I made the same as TCP since we are not setup? */ 7152 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7153 return (ECONNRESET); 7154 } 7155 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 7156 /* See if we have a listener */ 7157 struct sctp_inpcb *tinp; 7158 union sctp_sockstore store; 7159 7160 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 7161 /* not bound all */ 7162 struct sctp_laddr *laddr; 7163 7164 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7165 memcpy(&store, &laddr->ifa->address, sizeof(store)); 7166 switch (store.sa.sa_family) { 7167#ifdef INET 7168 case AF_INET: 7169 store.sin.sin_port = inp->sctp_lport; 7170 break; 7171#endif 7172#ifdef INET6 7173 case AF_INET6: 7174 store.sin6.sin6_port = inp->sctp_lport; 7175 break; 7176#endif 7177 default: 7178 break; 7179 } 7180 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7181 if (tinp && (tinp != inp) && 7182 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7183 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7184 (tinp->sctp_socket->so_qlimit)) { 7185 /* 7186 * we have a listener already and 7187 * its not this inp. 7188 */ 7189 SCTP_INP_DECR_REF(tinp); 7190 return (EADDRINUSE); 7191 } else if (tinp) { 7192 SCTP_INP_DECR_REF(tinp); 7193 } 7194 } 7195 } else { 7196 /* Setup a local addr bound all */ 7197 memset(&store, 0, sizeof(store)); 7198#ifdef INET6 7199 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 7200 store.sa.sa_family = AF_INET6; 7201 store.sa.sa_len = sizeof(struct sockaddr_in6); 7202 } 7203#endif 7204#ifdef INET 7205 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 7206 store.sa.sa_family = AF_INET; 7207 store.sa.sa_len = sizeof(struct sockaddr_in); 7208 } 7209#endif 7210 switch (store.sa.sa_family) { 7211#ifdef INET 7212 case AF_INET: 7213 store.sin.sin_port = inp->sctp_lport; 7214 break; 7215#endif 7216#ifdef INET6 7217 case AF_INET6: 7218 store.sin6.sin6_port = inp->sctp_lport; 7219 break; 7220#endif 7221 default: 7222 break; 7223 } 7224 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7225 if (tinp && (tinp != inp) && 7226 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7227 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7228 (tinp->sctp_socket->so_qlimit)) { 7229 /* 7230 * we have a listener already and its not 7231 * this inp. 7232 */ 7233 SCTP_INP_DECR_REF(tinp); 7234 return (EADDRINUSE); 7235 } else if (tinp) { 7236 SCTP_INP_DECR_REF(tinp); 7237 } 7238 } 7239 } 7240 SCTP_INP_RLOCK(inp); 7241#ifdef SCTP_LOCK_LOGGING 7242 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 7243 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 7244 } 7245#endif 7246 SOCK_LOCK(so); 7247 error = solisten_proto_check(so); 7248 SOCK_UNLOCK(so); 7249 if (error) { 7250 SCTP_INP_RUNLOCK(inp); 7251 return (error); 7252 } 7253 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 7254 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 7255 /* 7256 * The unlucky case - We are in the tcp pool with this guy. 7257 * - Someone else is in the main inp slot. - We must move 7258 * this guy (the listener) to the main slot - We must then 7259 * move the guy that was listener to the TCP Pool. 7260 */ 7261 if (sctp_swap_inpcb_for_listen(inp)) { 7262 SCTP_INP_RUNLOCK(inp); 7263 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7264 return (EADDRINUSE); 7265 } 7266 } 7267 7268 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7269 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7270 /* We are already connected AND the TCP model */ 7271 SCTP_INP_RUNLOCK(inp); 7272 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7273 return (EADDRINUSE); 7274 } 7275 SCTP_INP_RUNLOCK(inp); 7276 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7277 /* We must do a bind. */ 7278 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 7279 /* bind error, probably perm */ 7280 return (error); 7281 } 7282 } 7283 SOCK_LOCK(so); 7284 /* It appears for 7.0 and on, we must always call this. */ 7285 solisten_proto(so, backlog); 7286 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7287 /* remove the ACCEPTCONN flag for one-to-many sockets */ 7288 so->so_options &= ~SO_ACCEPTCONN; 7289 } 7290 if (backlog == 0) { 7291 /* turning off listen */ 7292 so->so_options &= ~SO_ACCEPTCONN; 7293 } 7294 SOCK_UNLOCK(so); 7295 return (error); 7296} 7297 7298static int sctp_defered_wakeup_cnt = 0; 7299 7300int 7301sctp_accept(struct socket *so, struct sockaddr **addr) 7302{ 7303 struct sctp_tcb *stcb; 7304 struct sctp_inpcb *inp; 7305 union sctp_sockstore store; 7306#ifdef INET6 7307 int error; 7308#endif 7309 inp = (struct sctp_inpcb *)so->so_pcb; 7310 7311 if (inp == NULL) { 7312 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7313 return (ECONNRESET); 7314 } 7315 SCTP_INP_WLOCK(inp); 7316 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7317 SCTP_INP_WUNLOCK(inp); 7318 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7319 return (EOPNOTSUPP); 7320 } 7321 if (so->so_state & SS_ISDISCONNECTED) { 7322 SCTP_INP_WUNLOCK(inp); 7323 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7324 return (ECONNABORTED); 7325 } 7326 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7327 if (stcb == NULL) { 7328 SCTP_INP_WUNLOCK(inp); 7329 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7330 return (ECONNRESET); 7331 } 7332 SCTP_TCB_LOCK(stcb); 7333 store = stcb->asoc.primary_destination->ro._l_addr; 7334 SCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_IN_ACCEPT_QUEUE); 7335 /* Wake any delayed sleep action */ 7336 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7337 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7338 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7339 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7340 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7341 if (sowriteable(inp->sctp_socket)) { 7342 sowwakeup_locked(inp->sctp_socket); 7343 } else { 7344 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7345 } 7346 } 7347 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7348 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7349 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7350 if (soreadable(inp->sctp_socket)) { 7351 sctp_defered_wakeup_cnt++; 7352 sorwakeup_locked(inp->sctp_socket); 7353 } else { 7354 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7355 } 7356 } 7357 } 7358 SCTP_INP_WUNLOCK(inp); 7359 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7360 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7361 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7362 } else { 7363 SCTP_TCB_UNLOCK(stcb); 7364 } 7365 switch (store.sa.sa_family) { 7366#ifdef INET 7367 case AF_INET: 7368 { 7369 struct sockaddr_in *sin; 7370 7371 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7372 if (sin == NULL) 7373 return (ENOMEM); 7374 sin->sin_family = AF_INET; 7375 sin->sin_len = sizeof(*sin); 7376 sin->sin_port = store.sin.sin_port; 7377 sin->sin_addr = store.sin.sin_addr; 7378 *addr = (struct sockaddr *)sin; 7379 break; 7380 } 7381#endif 7382#ifdef INET6 7383 case AF_INET6: 7384 { 7385 struct sockaddr_in6 *sin6; 7386 7387 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7388 if (sin6 == NULL) 7389 return (ENOMEM); 7390 sin6->sin6_family = AF_INET6; 7391 sin6->sin6_len = sizeof(*sin6); 7392 sin6->sin6_port = store.sin6.sin6_port; 7393 sin6->sin6_addr = store.sin6.sin6_addr; 7394 if ((error = sa6_recoverscope(sin6)) != 0) { 7395 SCTP_FREE_SONAME(sin6); 7396 return (error); 7397 } 7398 *addr = (struct sockaddr *)sin6; 7399 break; 7400 } 7401#endif 7402 default: 7403 /* TSNH */ 7404 break; 7405 } 7406 return (0); 7407} 7408 7409#ifdef INET 7410int 7411sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7412{ 7413 struct sockaddr_in *sin; 7414 uint32_t vrf_id; 7415 struct sctp_inpcb *inp; 7416 struct sctp_ifa *sctp_ifa; 7417 7418 /* 7419 * Do the malloc first in case it blocks. 7420 */ 7421 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7422 if (sin == NULL) 7423 return (ENOMEM); 7424 sin->sin_family = AF_INET; 7425 sin->sin_len = sizeof(*sin); 7426 inp = (struct sctp_inpcb *)so->so_pcb; 7427 if (!inp) { 7428 SCTP_FREE_SONAME(sin); 7429 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7430 return (ECONNRESET); 7431 } 7432 SCTP_INP_RLOCK(inp); 7433 sin->sin_port = inp->sctp_lport; 7434 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7435 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7436 struct sctp_tcb *stcb; 7437 struct sockaddr_in *sin_a; 7438 struct sctp_nets *net; 7439 int fnd; 7440 7441 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7442 if (stcb == NULL) { 7443 goto notConn; 7444 } 7445 fnd = 0; 7446 sin_a = NULL; 7447 SCTP_TCB_LOCK(stcb); 7448 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7449 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7450 if (sin_a == NULL) 7451 /* this will make coverity happy */ 7452 continue; 7453 7454 if (sin_a->sin_family == AF_INET) { 7455 fnd = 1; 7456 break; 7457 } 7458 } 7459 if ((!fnd) || (sin_a == NULL)) { 7460 /* punt */ 7461 SCTP_TCB_UNLOCK(stcb); 7462 goto notConn; 7463 } 7464 7465 vrf_id = inp->def_vrf_id; 7466 sctp_ifa = sctp_source_address_selection(inp, 7467 stcb, 7468 (sctp_route_t *)&net->ro, 7469 net, 0, vrf_id); 7470 if (sctp_ifa) { 7471 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7472 sctp_free_ifa(sctp_ifa); 7473 } 7474 SCTP_TCB_UNLOCK(stcb); 7475 } else { 7476 /* For the bound all case you get back 0 */ 7477 notConn: 7478 sin->sin_addr.s_addr = 0; 7479 } 7480 7481 } else { 7482 /* Take the first IPv4 address in the list */ 7483 struct sctp_laddr *laddr; 7484 int fnd = 0; 7485 7486 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7487 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7488 struct sockaddr_in *sin_a; 7489 7490 sin_a = &laddr->ifa->address.sin; 7491 sin->sin_addr = sin_a->sin_addr; 7492 fnd = 1; 7493 break; 7494 } 7495 } 7496 if (!fnd) { 7497 SCTP_FREE_SONAME(sin); 7498 SCTP_INP_RUNLOCK(inp); 7499 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7500 return (ENOENT); 7501 } 7502 } 7503 SCTP_INP_RUNLOCK(inp); 7504 (*addr) = (struct sockaddr *)sin; 7505 return (0); 7506} 7507 7508int 7509sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7510{ 7511 struct sockaddr_in *sin; 7512 int fnd; 7513 struct sockaddr_in *sin_a; 7514 struct sctp_inpcb *inp; 7515 struct sctp_tcb *stcb; 7516 struct sctp_nets *net; 7517 7518 /* Do the malloc first in case it blocks. */ 7519 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7520 if (sin == NULL) 7521 return (ENOMEM); 7522 sin->sin_family = AF_INET; 7523 sin->sin_len = sizeof(*sin); 7524 7525 inp = (struct sctp_inpcb *)so->so_pcb; 7526 if ((inp == NULL) || 7527 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7528 /* UDP type and listeners will drop out here */ 7529 SCTP_FREE_SONAME(sin); 7530 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7531 return (ENOTCONN); 7532 } 7533 SCTP_INP_RLOCK(inp); 7534 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7535 if (stcb) { 7536 SCTP_TCB_LOCK(stcb); 7537 } 7538 SCTP_INP_RUNLOCK(inp); 7539 if (stcb == NULL) { 7540 SCTP_FREE_SONAME(sin); 7541 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7542 return (ECONNRESET); 7543 } 7544 fnd = 0; 7545 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7546 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7547 if (sin_a->sin_family == AF_INET) { 7548 fnd = 1; 7549 sin->sin_port = stcb->rport; 7550 sin->sin_addr = sin_a->sin_addr; 7551 break; 7552 } 7553 } 7554 SCTP_TCB_UNLOCK(stcb); 7555 if (!fnd) { 7556 /* No IPv4 address */ 7557 SCTP_FREE_SONAME(sin); 7558 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7559 return (ENOENT); 7560 } 7561 (*addr) = (struct sockaddr *)sin; 7562 return (0); 7563} 7564 7565struct pr_usrreqs sctp_usrreqs = { 7566 .pru_abort = sctp_abort, 7567 .pru_accept = sctp_accept, 7568 .pru_attach = sctp_attach, 7569 .pru_bind = sctp_bind, 7570 .pru_connect = sctp_connect, 7571 .pru_control = in_control, 7572 .pru_close = sctp_close, 7573 .pru_detach = sctp_close, 7574 .pru_sopoll = sopoll_generic, 7575 .pru_flush = sctp_flush, 7576 .pru_disconnect = sctp_disconnect, 7577 .pru_listen = sctp_listen, 7578 .pru_peeraddr = sctp_peeraddr, 7579 .pru_send = sctp_sendm, 7580 .pru_shutdown = sctp_shutdown, 7581 .pru_sockaddr = sctp_ingetaddr, 7582 .pru_sosend = sctp_sosend, 7583 .pru_soreceive = sctp_soreceive 7584}; 7585#endif 7586