sctp_usrreq.c revision 332222
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 332222 2018-04-07 20:08:17Z 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 chk->do_rtt = 0; 142 } 143 } 144 } 145} 146 147#ifdef INET 148void 149sctp_notify(struct sctp_inpcb *inp, 150 struct sctp_tcb *stcb, 151 struct sctp_nets *net, 152 uint8_t icmp_type, 153 uint8_t icmp_code, 154 uint16_t ip_len, 155 uint32_t next_mtu) 156{ 157#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 158 struct socket *so; 159#endif 160 int timer_stopped; 161 162 if (icmp_type != ICMP_UNREACH) { 163 /* We only care about unreachable */ 164 SCTP_TCB_UNLOCK(stcb); 165 return; 166 } 167 if ((icmp_code == ICMP_UNREACH_NET) || 168 (icmp_code == ICMP_UNREACH_HOST) || 169 (icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 170 (icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 171 (icmp_code == ICMP_UNREACH_ISOLATED) || 172 (icmp_code == ICMP_UNREACH_NET_PROHIB) || 173 (icmp_code == ICMP_UNREACH_HOST_PROHIB) || 174 (icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 175 /* Mark the net unreachable. */ 176 if (net->dest_state & SCTP_ADDR_REACHABLE) { 177 /* OK, that destination is NOT reachable. */ 178 net->dest_state &= ~SCTP_ADDR_REACHABLE; 179 net->dest_state &= ~SCTP_ADDR_PF; 180 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 181 stcb, 0, 182 (void *)net, SCTP_SO_NOT_LOCKED); 183 } 184 SCTP_TCB_UNLOCK(stcb); 185 } else if ((icmp_code == ICMP_UNREACH_PROTOCOL) || 186 (icmp_code == ICMP_UNREACH_PORT)) { 187 /* Treat it like an ABORT. */ 188 sctp_abort_notification(stcb, 1, 0, NULL, SCTP_SO_NOT_LOCKED); 189#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 190 so = SCTP_INP_SO(inp); 191 atomic_add_int(&stcb->asoc.refcnt, 1); 192 SCTP_TCB_UNLOCK(stcb); 193 SCTP_SOCKET_LOCK(so, 1); 194 SCTP_TCB_LOCK(stcb); 195 atomic_subtract_int(&stcb->asoc.refcnt, 1); 196#endif 197 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 198 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 199#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 200 SCTP_SOCKET_UNLOCK(so, 1); 201 /* SCTP_TCB_UNLOCK(stcb); MT: I think this is not needed. */ 202#endif 203 /* no need to unlock here, since the TCB is gone */ 204 } else if (icmp_code == ICMP_UNREACH_NEEDFRAG) { 205 if ((net->dest_state & SCTP_ADDR_NO_PMTUD) == 0) { 206 SCTP_TCB_UNLOCK(stcb); 207 return; 208 } 209 /* Find the next (smaller) MTU */ 210 if (next_mtu == 0) { 211 /* 212 * Old type router that does not tell us what the 213 * next MTU is. Rats we will have to guess (in a 214 * educated fashion of course). 215 */ 216 next_mtu = sctp_get_prev_mtu(ip_len); 217 } 218 /* Stop the PMTU timer. */ 219 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 220 timer_stopped = 1; 221 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 222 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 223 } else { 224 timer_stopped = 0; 225 } 226 /* Update the path MTU. */ 227 if (net->port) { 228 next_mtu -= sizeof(struct udphdr); 229 } 230 if (net->mtu > next_mtu) { 231 net->mtu = next_mtu; 232 if (net->port) { 233 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu + sizeof(struct udphdr)); 234 } else { 235 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu); 236 } 237 } 238 /* Update the association MTU */ 239 if (stcb->asoc.smallest_mtu > next_mtu) { 240 sctp_pathmtu_adjustment(stcb, next_mtu); 241 } 242 /* Finally, start the PMTU timer if it was running before. */ 243 if (timer_stopped) { 244 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 245 } 246 SCTP_TCB_UNLOCK(stcb); 247 } else { 248 SCTP_TCB_UNLOCK(stcb); 249 } 250} 251 252void 253sctp_ctlinput(int cmd, struct sockaddr *sa, void *vip) 254{ 255 struct ip *outer_ip; 256 struct ip *inner_ip; 257 struct sctphdr *sh; 258 struct icmp *icmp; 259 struct sctp_inpcb *inp; 260 struct sctp_tcb *stcb; 261 struct sctp_nets *net; 262 struct sctp_init_chunk *ch; 263 struct sockaddr_in src, dst; 264 265 if (sa->sa_family != AF_INET || 266 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 267 return; 268 } 269 if (PRC_IS_REDIRECT(cmd)) { 270 vip = NULL; 271 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 272 return; 273 } 274 if (vip != NULL) { 275 inner_ip = (struct ip *)vip; 276 icmp = (struct icmp *)((caddr_t)inner_ip - 277 (sizeof(struct icmp) - sizeof(struct ip))); 278 outer_ip = (struct ip *)((caddr_t)icmp - sizeof(struct ip)); 279 sh = (struct sctphdr *)((caddr_t)inner_ip + (inner_ip->ip_hl << 2)); 280 memset(&src, 0, sizeof(struct sockaddr_in)); 281 src.sin_family = AF_INET; 282 src.sin_len = sizeof(struct sockaddr_in); 283 src.sin_port = sh->src_port; 284 src.sin_addr = inner_ip->ip_src; 285 memset(&dst, 0, sizeof(struct sockaddr_in)); 286 dst.sin_family = AF_INET; 287 dst.sin_len = sizeof(struct sockaddr_in); 288 dst.sin_port = sh->dest_port; 289 dst.sin_addr = inner_ip->ip_dst; 290 /* 291 * 'dst' holds the dest of the packet that failed to be 292 * sent. 'src' holds our local endpoint address. Thus we 293 * reverse the dst and the src in the lookup. 294 */ 295 inp = NULL; 296 net = NULL; 297 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&dst, 298 (struct sockaddr *)&src, 299 &inp, &net, 1, 300 SCTP_DEFAULT_VRFID); 301 if ((stcb != NULL) && 302 (net != NULL) && 303 (inp != NULL)) { 304 /* Check the verification tag */ 305 if (ntohl(sh->v_tag) != 0) { 306 /* 307 * This must be the verification tag used 308 * for sending out packets. We don't 309 * consider packets reflecting the 310 * verification tag. 311 */ 312 if (ntohl(sh->v_tag) != stcb->asoc.peer_vtag) { 313 SCTP_TCB_UNLOCK(stcb); 314 return; 315 } 316 } else { 317 if (ntohs(outer_ip->ip_len) >= 318 sizeof(struct ip) + 319 8 + (inner_ip->ip_hl << 2) + 20) { 320 /* 321 * In this case we can check if we 322 * got an INIT chunk and if the 323 * initiate tag matches. 324 */ 325 ch = (struct sctp_init_chunk *)(sh + 1); 326 if ((ch->ch.chunk_type != SCTP_INITIATION) || 327 (ntohl(ch->init.initiate_tag) != stcb->asoc.my_vtag)) { 328 SCTP_TCB_UNLOCK(stcb); 329 return; 330 } 331 } else { 332 SCTP_TCB_UNLOCK(stcb); 333 return; 334 } 335 } 336 sctp_notify(inp, stcb, net, 337 icmp->icmp_type, 338 icmp->icmp_code, 339 ntohs(inner_ip->ip_len), 340 (uint32_t)ntohs(icmp->icmp_nextmtu)); 341 } else { 342 if ((stcb == NULL) && (inp != NULL)) { 343 /* reduce ref-count */ 344 SCTP_INP_WLOCK(inp); 345 SCTP_INP_DECR_REF(inp); 346 SCTP_INP_WUNLOCK(inp); 347 } 348 if (stcb) { 349 SCTP_TCB_UNLOCK(stcb); 350 } 351 } 352 } 353 return; 354} 355#endif 356 357static int 358sctp_getcred(SYSCTL_HANDLER_ARGS) 359{ 360 struct xucred xuc; 361 struct sockaddr_in addrs[2]; 362 struct sctp_inpcb *inp; 363 struct sctp_nets *net; 364 struct sctp_tcb *stcb; 365 int error; 366 uint32_t vrf_id; 367 368 /* FIX, for non-bsd is this right? */ 369 vrf_id = SCTP_DEFAULT_VRFID; 370 371 error = priv_check(req->td, PRIV_NETINET_GETCRED); 372 373 if (error) 374 return (error); 375 376 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 377 if (error) 378 return (error); 379 380 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), 381 sintosa(&addrs[0]), 382 &inp, &net, 1, vrf_id); 383 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 384 if ((inp != NULL) && (stcb == NULL)) { 385 /* reduce ref-count */ 386 SCTP_INP_WLOCK(inp); 387 SCTP_INP_DECR_REF(inp); 388 goto cred_can_cont; 389 } 390 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 391 error = ENOENT; 392 goto out; 393 } 394 SCTP_TCB_UNLOCK(stcb); 395 /* 396 * We use the write lock here, only since in the error leg we need 397 * it. If we used RLOCK, then we would have to 398 * wlock/decr/unlock/rlock. Which in theory could create a hole. 399 * Better to use higher wlock. 400 */ 401 SCTP_INP_WLOCK(inp); 402cred_can_cont: 403 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 404 if (error) { 405 SCTP_INP_WUNLOCK(inp); 406 goto out; 407 } 408 cru2x(inp->sctp_socket->so_cred, &xuc); 409 SCTP_INP_WUNLOCK(inp); 410 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 411out: 412 return (error); 413} 414 415SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW, 416 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection"); 417 418 419#ifdef INET 420static void 421sctp_abort(struct socket *so) 422{ 423 struct sctp_inpcb *inp; 424 uint32_t flags; 425 426 inp = (struct sctp_inpcb *)so->so_pcb; 427 if (inp == NULL) { 428 return; 429 } 430sctp_must_try_again: 431 flags = inp->sctp_flags; 432#ifdef SCTP_LOG_CLOSING 433 sctp_log_closing(inp, NULL, 17); 434#endif 435 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 436 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 437#ifdef SCTP_LOG_CLOSING 438 sctp_log_closing(inp, NULL, 16); 439#endif 440 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 441 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 442 SOCK_LOCK(so); 443 SCTP_SB_CLEAR(so->so_snd); 444 /* 445 * same for the rcv ones, they are only here for the 446 * accounting/select. 447 */ 448 SCTP_SB_CLEAR(so->so_rcv); 449 450 /* Now null out the reference, we are completely detached. */ 451 so->so_pcb = NULL; 452 SOCK_UNLOCK(so); 453 } else { 454 flags = inp->sctp_flags; 455 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 456 goto sctp_must_try_again; 457 } 458 } 459 return; 460} 461 462static int 463sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 464{ 465 struct sctp_inpcb *inp; 466 struct inpcb *ip_inp; 467 int error; 468 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 469 470 inp = (struct sctp_inpcb *)so->so_pcb; 471 if (inp != NULL) { 472 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 473 return (EINVAL); 474 } 475 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 476 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 477 if (error) { 478 return (error); 479 } 480 } 481 error = sctp_inpcb_alloc(so, vrf_id); 482 if (error) { 483 return (error); 484 } 485 inp = (struct sctp_inpcb *)so->so_pcb; 486 SCTP_INP_WLOCK(inp); 487 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 488 ip_inp = &inp->ip_inp.inp; 489 ip_inp->inp_vflag |= INP_IPV4; 490 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 491 SCTP_INP_WUNLOCK(inp); 492 return (0); 493} 494 495static int 496sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 497{ 498 struct sctp_inpcb *inp; 499 500 inp = (struct sctp_inpcb *)so->so_pcb; 501 if (inp == NULL) { 502 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 503 return (EINVAL); 504 } 505 if (addr != NULL) { 506 if ((addr->sa_family != AF_INET) || 507 (addr->sa_len != sizeof(struct sockaddr_in))) { 508 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 509 return (EINVAL); 510 } 511 } 512 return (sctp_inpcb_bind(so, addr, NULL, p)); 513} 514 515#endif 516void 517sctp_close(struct socket *so) 518{ 519 struct sctp_inpcb *inp; 520 uint32_t flags; 521 522 inp = (struct sctp_inpcb *)so->so_pcb; 523 if (inp == NULL) 524 return; 525 526 /* 527 * Inform all the lower layer assoc that we are done. 528 */ 529sctp_must_try_again: 530 flags = inp->sctp_flags; 531#ifdef SCTP_LOG_CLOSING 532 sctp_log_closing(inp, NULL, 17); 533#endif 534 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 535 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 536 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 537 (so->so_rcv.sb_cc > 0)) { 538#ifdef SCTP_LOG_CLOSING 539 sctp_log_closing(inp, NULL, 13); 540#endif 541 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 542 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 543 } else { 544#ifdef SCTP_LOG_CLOSING 545 sctp_log_closing(inp, NULL, 14); 546#endif 547 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 548 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 549 } 550 /* 551 * The socket is now detached, no matter what the state of 552 * the SCTP association. 553 */ 554 SOCK_LOCK(so); 555 SCTP_SB_CLEAR(so->so_snd); 556 /* 557 * same for the rcv ones, they are only here for the 558 * accounting/select. 559 */ 560 SCTP_SB_CLEAR(so->so_rcv); 561 562 /* Now null out the reference, we are completely detached. */ 563 so->so_pcb = NULL; 564 SOCK_UNLOCK(so); 565 } else { 566 flags = inp->sctp_flags; 567 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 568 goto sctp_must_try_again; 569 } 570 } 571 return; 572} 573 574 575int 576sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 577 struct mbuf *control, struct thread *p); 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 struct sctp_inpcb *inp; 585 int error; 586 587 inp = (struct sctp_inpcb *)so->so_pcb; 588 if (inp == NULL) { 589 if (control) { 590 sctp_m_freem(control); 591 control = NULL; 592 } 593 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 594 sctp_m_freem(m); 595 return (EINVAL); 596 } 597 /* Got to have an to address if we are NOT a connected socket */ 598 if ((addr == NULL) && 599 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 600 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 601 goto connected_type; 602 } else if (addr == NULL) { 603 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 604 error = EDESTADDRREQ; 605 sctp_m_freem(m); 606 if (control) { 607 sctp_m_freem(control); 608 control = NULL; 609 } 610 return (error); 611 } 612#ifdef INET6 613 if (addr->sa_family != AF_INET) { 614 /* must be a v4 address! */ 615 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 616 sctp_m_freem(m); 617 if (control) { 618 sctp_m_freem(control); 619 control = NULL; 620 } 621 error = EDESTADDRREQ; 622 return (error); 623 } 624#endif /* INET6 */ 625connected_type: 626 /* now what about control */ 627 if (control) { 628 if (inp->control) { 629 SCTP_PRINTF("huh? control set?\n"); 630 sctp_m_freem(inp->control); 631 inp->control = NULL; 632 } 633 inp->control = control; 634 } 635 /* Place the data */ 636 if (inp->pkt) { 637 SCTP_BUF_NEXT(inp->pkt_last) = m; 638 inp->pkt_last = m; 639 } else { 640 inp->pkt_last = inp->pkt = m; 641 } 642 if ( 643 /* FreeBSD uses a flag passed */ 644 ((flags & PRUS_MORETOCOME) == 0) 645 ) { 646 /* 647 * note with the current version this code will only be used 648 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 649 * re-defining sosend to use the sctp_sosend. One can 650 * optionally switch back to this code (by changing back the 651 * definitions) but this is not advisable. This code is used 652 * by FreeBSD when sending a file with sendfile() though. 653 */ 654 int ret; 655 656 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 657 inp->pkt = NULL; 658 inp->control = NULL; 659 return (ret); 660 } else { 661 return (0); 662 } 663} 664 665int 666sctp_disconnect(struct socket *so) 667{ 668 struct sctp_inpcb *inp; 669 670 inp = (struct sctp_inpcb *)so->so_pcb; 671 if (inp == NULL) { 672 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 673 return (ENOTCONN); 674 } 675 SCTP_INP_RLOCK(inp); 676 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 677 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 678 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 679 /* No connection */ 680 SCTP_INP_RUNLOCK(inp); 681 return (0); 682 } else { 683 struct sctp_association *asoc; 684 struct sctp_tcb *stcb; 685 686 stcb = LIST_FIRST(&inp->sctp_asoc_list); 687 if (stcb == NULL) { 688 SCTP_INP_RUNLOCK(inp); 689 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 690 return (EINVAL); 691 } 692 SCTP_TCB_LOCK(stcb); 693 asoc = &stcb->asoc; 694 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 695 /* We are about to be freed, out of here */ 696 SCTP_TCB_UNLOCK(stcb); 697 SCTP_INP_RUNLOCK(inp); 698 return (0); 699 } 700 if (((so->so_options & SO_LINGER) && 701 (so->so_linger == 0)) || 702 (so->so_rcv.sb_cc > 0)) { 703 if (SCTP_GET_STATE(asoc) != 704 SCTP_STATE_COOKIE_WAIT) { 705 /* Left with Data unread */ 706 struct mbuf *err; 707 708 err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_NOWAIT, 1, MT_DATA); 709 if (err) { 710 /* 711 * Fill in the user 712 * initiated abort 713 */ 714 struct sctp_paramhdr *ph; 715 716 ph = mtod(err, struct sctp_paramhdr *); 717 SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr); 718 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT); 719 ph->param_length = htons(SCTP_BUF_LEN(err)); 720 } 721 sctp_send_abort_tcb(stcb, err, SCTP_SO_LOCKED); 722 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 723 } 724 SCTP_INP_RUNLOCK(inp); 725 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 726 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 727 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 728 } 729 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 730 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 731 /* No unlock tcb assoc is gone */ 732 return (0); 733 } 734 if (TAILQ_EMPTY(&asoc->send_queue) && 735 TAILQ_EMPTY(&asoc->sent_queue) && 736 (asoc->stream_queue_cnt == 0)) { 737 /* there is nothing queued to send, so done */ 738 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 739 goto abort_anyway; 740 } 741 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) && 742 (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 743 /* only send SHUTDOWN 1st time thru */ 744 struct sctp_nets *netp; 745 746 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 747 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 748 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 749 } 750 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 751 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 752 sctp_stop_timers_for_shutdown(stcb); 753 if (stcb->asoc.alternate) { 754 netp = stcb->asoc.alternate; 755 } else { 756 netp = stcb->asoc.primary_destination; 757 } 758 sctp_send_shutdown(stcb, netp); 759 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 760 stcb->sctp_ep, stcb, netp); 761 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 762 stcb->sctp_ep, stcb, netp); 763 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 764 } 765 } else { 766 /* 767 * we still got (or just got) data to send, 768 * so set SHUTDOWN_PENDING 769 */ 770 /* 771 * XXX sockets draft says that SCTP_EOF 772 * should be sent with no data. currently, 773 * we will allow user data to be sent first 774 * and move to SHUTDOWN-PENDING 775 */ 776 struct sctp_nets *netp; 777 778 if (stcb->asoc.alternate) { 779 netp = stcb->asoc.alternate; 780 } else { 781 netp = stcb->asoc.primary_destination; 782 } 783 784 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 785 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 786 netp); 787 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 788 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 789 } 790 if (TAILQ_EMPTY(&asoc->send_queue) && 791 TAILQ_EMPTY(&asoc->sent_queue) && 792 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 793 struct mbuf *op_err; 794 795 abort_anyway: 796 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 797 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 798 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 799 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 800 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 801 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 802 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 803 } 804 SCTP_INP_RUNLOCK(inp); 805 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 806 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 807 return (0); 808 } else { 809 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 810 } 811 } 812 soisdisconnecting(so); 813 SCTP_TCB_UNLOCK(stcb); 814 SCTP_INP_RUNLOCK(inp); 815 return (0); 816 } 817 /* not reached */ 818 } else { 819 /* UDP model does not support this */ 820 SCTP_INP_RUNLOCK(inp); 821 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 822 return (EOPNOTSUPP); 823 } 824} 825 826int 827sctp_flush(struct socket *so, int how) 828{ 829 /* 830 * We will just clear out the values and let subsequent close clear 831 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 832 * they will not be able to read the data, the socket will block 833 * that from happening. 834 */ 835 struct sctp_inpcb *inp; 836 837 inp = (struct sctp_inpcb *)so->so_pcb; 838 if (inp == NULL) { 839 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 840 return (EINVAL); 841 } 842 SCTP_INP_RLOCK(inp); 843 /* For the 1 to many model this does nothing */ 844 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 845 SCTP_INP_RUNLOCK(inp); 846 return (0); 847 } 848 SCTP_INP_RUNLOCK(inp); 849 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 850 /* 851 * First make sure the sb will be happy, we don't use these 852 * except maybe the count 853 */ 854 SCTP_INP_WLOCK(inp); 855 SCTP_INP_READ_LOCK(inp); 856 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 857 SCTP_INP_READ_UNLOCK(inp); 858 SCTP_INP_WUNLOCK(inp); 859 so->so_rcv.sb_cc = 0; 860 so->so_rcv.sb_mbcnt = 0; 861 so->so_rcv.sb_mb = NULL; 862 } 863 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 864 /* 865 * First make sure the sb will be happy, we don't use these 866 * except maybe the count 867 */ 868 so->so_snd.sb_cc = 0; 869 so->so_snd.sb_mbcnt = 0; 870 so->so_snd.sb_mb = NULL; 871 872 } 873 return (0); 874} 875 876int 877sctp_shutdown(struct socket *so) 878{ 879 struct sctp_inpcb *inp; 880 881 inp = (struct sctp_inpcb *)so->so_pcb; 882 if (inp == NULL) { 883 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 884 return (EINVAL); 885 } 886 SCTP_INP_RLOCK(inp); 887 /* For UDP model this is a invalid call */ 888 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 889 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 890 /* Restore the flags that the soshutdown took away. */ 891 SOCKBUF_LOCK(&so->so_rcv); 892 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 893 SOCKBUF_UNLOCK(&so->so_rcv); 894 /* This proc will wakeup for read and do nothing (I hope) */ 895 SCTP_INP_RUNLOCK(inp); 896 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 897 return (EOPNOTSUPP); 898 } else { 899 /* 900 * Ok, if we reach here its the TCP model and it is either a 901 * SHUT_WR or SHUT_RDWR. This means we put the shutdown flag 902 * against it. 903 */ 904 struct sctp_tcb *stcb; 905 struct sctp_association *asoc; 906 struct sctp_nets *netp; 907 908 if ((so->so_state & 909 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 910 SCTP_INP_RUNLOCK(inp); 911 return (ENOTCONN); 912 } 913 socantsendmore(so); 914 915 stcb = LIST_FIRST(&inp->sctp_asoc_list); 916 if (stcb == NULL) { 917 /* 918 * Ok, we hit the case that the shutdown call was 919 * made after an abort or something. Nothing to do 920 * now. 921 */ 922 SCTP_INP_RUNLOCK(inp); 923 return (0); 924 } 925 SCTP_TCB_LOCK(stcb); 926 asoc = &stcb->asoc; 927 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) { 928 SCTP_TCB_UNLOCK(stcb); 929 SCTP_INP_RUNLOCK(inp); 930 return (0); 931 } 932 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_COOKIE_WAIT) && 933 (SCTP_GET_STATE(asoc) != SCTP_STATE_COOKIE_ECHOED) && 934 (SCTP_GET_STATE(asoc) != SCTP_STATE_OPEN)) { 935 /* 936 * If we are not in or before ESTABLISHED, there is 937 * no protocol action required. 938 */ 939 SCTP_TCB_UNLOCK(stcb); 940 SCTP_INP_RUNLOCK(inp); 941 return (0); 942 } 943 if (stcb->asoc.alternate) { 944 netp = stcb->asoc.alternate; 945 } else { 946 netp = stcb->asoc.primary_destination; 947 } 948 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) && 949 TAILQ_EMPTY(&asoc->send_queue) && 950 TAILQ_EMPTY(&asoc->sent_queue) && 951 (asoc->stream_queue_cnt == 0)) { 952 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 953 goto abort_anyway; 954 } 955 /* there is nothing queued to send, so I'm done... */ 956 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 957 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 958 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 959 sctp_stop_timers_for_shutdown(stcb); 960 sctp_send_shutdown(stcb, netp); 961 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 962 stcb->sctp_ep, stcb, netp); 963 } else { 964 /* 965 * We still got (or just got) data to send, so set 966 * SHUTDOWN_PENDING. 967 */ 968 SCTP_ADD_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 969 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 970 SCTP_ADD_SUBSTATE(asoc, SCTP_STATE_PARTIAL_MSG_LEFT); 971 } 972 if (TAILQ_EMPTY(&asoc->send_queue) && 973 TAILQ_EMPTY(&asoc->sent_queue) && 974 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 975 struct mbuf *op_err; 976 977 abort_anyway: 978 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 979 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 980 sctp_abort_an_association(stcb->sctp_ep, stcb, 981 op_err, SCTP_SO_LOCKED); 982 SCTP_INP_RUNLOCK(inp); 983 return (0); 984 } 985 } 986 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, netp); 987 /* 988 * XXX: Why do this in the case where we have still data 989 * queued? 990 */ 991 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 992 SCTP_TCB_UNLOCK(stcb); 993 SCTP_INP_RUNLOCK(inp); 994 return (0); 995 } 996} 997 998/* 999 * copies a "user" presentable address and removes embedded scope, etc. 1000 * returns 0 on success, 1 on error 1001 */ 1002static uint32_t 1003sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 1004{ 1005#ifdef INET6 1006 struct sockaddr_in6 lsa6; 1007 1008 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 1009 &lsa6); 1010#endif 1011 memcpy(ss, sa, sa->sa_len); 1012 return (0); 1013} 1014 1015 1016 1017/* 1018 * NOTE: assumes addr lock is held 1019 */ 1020static size_t 1021sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1022 struct sctp_tcb *stcb, 1023 size_t limit, 1024 struct sockaddr_storage *sas, 1025 uint32_t vrf_id) 1026{ 1027 struct sctp_ifn *sctp_ifn; 1028 struct sctp_ifa *sctp_ifa; 1029 size_t actual; 1030 int loopback_scope; 1031#if defined(INET) 1032 int ipv4_local_scope, ipv4_addr_legal; 1033#endif 1034#if defined(INET6) 1035 int local_scope, site_scope, ipv6_addr_legal; 1036#endif 1037 struct sctp_vrf *vrf; 1038 1039 actual = 0; 1040 if (limit <= 0) 1041 return (actual); 1042 1043 if (stcb) { 1044 /* Turn on all the appropriate scope */ 1045 loopback_scope = stcb->asoc.scope.loopback_scope; 1046#if defined(INET) 1047 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1048 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1049#endif 1050#if defined(INET6) 1051 local_scope = stcb->asoc.scope.local_scope; 1052 site_scope = stcb->asoc.scope.site_scope; 1053 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1054#endif 1055 } else { 1056 /* Use generic values for endpoints. */ 1057 loopback_scope = 1; 1058#if defined(INET) 1059 ipv4_local_scope = 1; 1060#endif 1061#if defined(INET6) 1062 local_scope = 1; 1063 site_scope = 1; 1064#endif 1065 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1066#if defined(INET6) 1067 ipv6_addr_legal = 1; 1068#endif 1069#if defined(INET) 1070 if (SCTP_IPV6_V6ONLY(inp)) { 1071 ipv4_addr_legal = 0; 1072 } else { 1073 ipv4_addr_legal = 1; 1074 } 1075#endif 1076 } else { 1077#if defined(INET6) 1078 ipv6_addr_legal = 0; 1079#endif 1080#if defined(INET) 1081 ipv4_addr_legal = 1; 1082#endif 1083 } 1084 } 1085 vrf = sctp_find_vrf(vrf_id); 1086 if (vrf == NULL) { 1087 return (0); 1088 } 1089 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1090 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1091 if ((loopback_scope == 0) && 1092 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1093 /* Skip loopback if loopback_scope not set */ 1094 continue; 1095 } 1096 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1097 if (stcb) { 1098 /* 1099 * For the BOUND-ALL case, the list 1100 * associated with a TCB is Always 1101 * considered a reverse list.. i.e. 1102 * it lists addresses that are NOT 1103 * part of the association. If this 1104 * is one of those we must skip it. 1105 */ 1106 if (sctp_is_addr_restricted(stcb, 1107 sctp_ifa)) { 1108 continue; 1109 } 1110 } 1111 switch (sctp_ifa->address.sa.sa_family) { 1112#ifdef INET 1113 case AF_INET: 1114 if (ipv4_addr_legal) { 1115 struct sockaddr_in *sin; 1116 1117 sin = &sctp_ifa->address.sin; 1118 if (sin->sin_addr.s_addr == 0) { 1119 /* 1120 * we skip 1121 * unspecifed 1122 * addresses 1123 */ 1124 continue; 1125 } 1126 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1127 &sin->sin_addr) != 0) { 1128 continue; 1129 } 1130 if ((ipv4_local_scope == 0) && 1131 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1132 continue; 1133 } 1134#ifdef INET6 1135 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1136 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1137 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1138 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1139 actual += sizeof(struct sockaddr_in6); 1140 } else { 1141#endif 1142 memcpy(sas, sin, sizeof(*sin)); 1143 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1144 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin)); 1145 actual += sizeof(*sin); 1146#ifdef INET6 1147 } 1148#endif 1149 if (actual >= limit) { 1150 return (actual); 1151 } 1152 } else { 1153 continue; 1154 } 1155 break; 1156#endif 1157#ifdef INET6 1158 case AF_INET6: 1159 if (ipv6_addr_legal) { 1160 struct sockaddr_in6 *sin6; 1161 1162 sin6 = &sctp_ifa->address.sin6; 1163 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1164 /* 1165 * we skip 1166 * unspecifed 1167 * addresses 1168 */ 1169 continue; 1170 } 1171 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1172 &sin6->sin6_addr) != 0) { 1173 continue; 1174 } 1175 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1176 if (local_scope == 0) 1177 continue; 1178 if (sin6->sin6_scope_id == 0) { 1179 if (sa6_recoverscope(sin6) != 0) 1180 /* 1181 * 1182 * bad 1183 * link 1184 * 1185 * local 1186 * 1187 * address 1188 */ 1189 continue; 1190 } 1191 } 1192 if ((site_scope == 0) && 1193 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1194 continue; 1195 } 1196 memcpy(sas, sin6, sizeof(*sin6)); 1197 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1198 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6)); 1199 actual += sizeof(*sin6); 1200 if (actual >= limit) { 1201 return (actual); 1202 } 1203 } else { 1204 continue; 1205 } 1206 break; 1207#endif 1208 default: 1209 /* TSNH */ 1210 break; 1211 } 1212 } 1213 } 1214 } else { 1215 struct sctp_laddr *laddr; 1216 1217 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1218 if (stcb) { 1219 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1220 continue; 1221 } 1222 } 1223 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1224 continue; 1225 switch (laddr->ifa->address.sa.sa_family) { 1226#ifdef INET 1227 case AF_INET: 1228 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1229 break; 1230#endif 1231#ifdef INET6 1232 case AF_INET6: 1233 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1234 break; 1235#endif 1236 default: 1237 /* TSNH */ 1238 break; 1239 } 1240 sas = (struct sockaddr_storage *)((caddr_t)sas + 1241 laddr->ifa->address.sa.sa_len); 1242 actual += laddr->ifa->address.sa.sa_len; 1243 if (actual >= limit) { 1244 return (actual); 1245 } 1246 } 1247 } 1248 return (actual); 1249} 1250 1251static size_t 1252sctp_fill_up_addresses(struct sctp_inpcb *inp, 1253 struct sctp_tcb *stcb, 1254 size_t limit, 1255 struct sockaddr_storage *sas) 1256{ 1257 size_t size = 0; 1258 1259 SCTP_IPI_ADDR_RLOCK(); 1260 /* fill up addresses for the endpoint's default vrf */ 1261 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1262 inp->def_vrf_id); 1263 SCTP_IPI_ADDR_RUNLOCK(); 1264 return (size); 1265} 1266 1267/* 1268 * NOTE: assumes addr lock is held 1269 */ 1270static int 1271sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1272{ 1273 int cnt = 0; 1274 struct sctp_vrf *vrf = NULL; 1275 1276 /* 1277 * In both sub-set bound an bound_all cases we return the MAXIMUM 1278 * number of addresses that you COULD get. In reality the sub-set 1279 * bound may have an exclusion list for a given TCB OR in the 1280 * bound-all case a TCB may NOT include the loopback or other 1281 * addresses as well. 1282 */ 1283 vrf = sctp_find_vrf(vrf_id); 1284 if (vrf == NULL) { 1285 return (0); 1286 } 1287 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1288 struct sctp_ifn *sctp_ifn; 1289 struct sctp_ifa *sctp_ifa; 1290 1291 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1292 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1293 /* Count them if they are the right type */ 1294 switch (sctp_ifa->address.sa.sa_family) { 1295#ifdef INET 1296 case AF_INET: 1297#ifdef INET6 1298 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1299 cnt += sizeof(struct sockaddr_in6); 1300 else 1301 cnt += sizeof(struct sockaddr_in); 1302#else 1303 cnt += sizeof(struct sockaddr_in); 1304#endif 1305 break; 1306#endif 1307#ifdef INET6 1308 case AF_INET6: 1309 cnt += sizeof(struct sockaddr_in6); 1310 break; 1311#endif 1312 default: 1313 break; 1314 } 1315 } 1316 } 1317 } else { 1318 struct sctp_laddr *laddr; 1319 1320 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1321 switch (laddr->ifa->address.sa.sa_family) { 1322#ifdef INET 1323 case AF_INET: 1324#ifdef INET6 1325 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1326 cnt += sizeof(struct sockaddr_in6); 1327 else 1328 cnt += sizeof(struct sockaddr_in); 1329#else 1330 cnt += sizeof(struct sockaddr_in); 1331#endif 1332 break; 1333#endif 1334#ifdef INET6 1335 case AF_INET6: 1336 cnt += sizeof(struct sockaddr_in6); 1337 break; 1338#endif 1339 default: 1340 break; 1341 } 1342 } 1343 } 1344 return (cnt); 1345} 1346 1347static int 1348sctp_count_max_addresses(struct sctp_inpcb *inp) 1349{ 1350 int cnt = 0; 1351 1352 SCTP_IPI_ADDR_RLOCK(); 1353 /* count addresses for the endpoint's default VRF */ 1354 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1355 SCTP_IPI_ADDR_RUNLOCK(); 1356 return (cnt); 1357} 1358 1359static int 1360sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1361 size_t optsize, void *p, int delay) 1362{ 1363 int error = 0; 1364 int creat_lock_on = 0; 1365 struct sctp_tcb *stcb = NULL; 1366 struct sockaddr *sa; 1367 unsigned int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1368 uint32_t vrf_id; 1369 int bad_addresses = 0; 1370 sctp_assoc_t *a_id; 1371 1372 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1373 1374 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1375 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1376 /* We are already connected AND the TCP model */ 1377 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1378 return (EADDRINUSE); 1379 } 1380 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1381 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1382 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1383 return (EINVAL); 1384 } 1385 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1386 SCTP_INP_RLOCK(inp); 1387 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1388 SCTP_INP_RUNLOCK(inp); 1389 } 1390 if (stcb) { 1391 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1392 return (EALREADY); 1393 } 1394 SCTP_INP_INCR_REF(inp); 1395 SCTP_ASOC_CREATE_LOCK(inp); 1396 creat_lock_on = 1; 1397 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1398 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1399 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1400 error = EFAULT; 1401 goto out_now; 1402 } 1403 totaddrp = (unsigned int *)optval; 1404 totaddr = *totaddrp; 1405 sa = (struct sockaddr *)(totaddrp + 1); 1406 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (unsigned int)(optsize - sizeof(int)), &bad_addresses); 1407 if ((stcb != NULL) || bad_addresses) { 1408 /* Already have or am bring up an association */ 1409 SCTP_ASOC_CREATE_UNLOCK(inp); 1410 creat_lock_on = 0; 1411 if (stcb) 1412 SCTP_TCB_UNLOCK(stcb); 1413 if (bad_addresses == 0) { 1414 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1415 error = EALREADY; 1416 } 1417 goto out_now; 1418 } 1419#ifdef INET6 1420 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1421 (num_v6 > 0)) { 1422 error = EINVAL; 1423 goto out_now; 1424 } 1425 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1426 (num_v4 > 0)) { 1427 struct in6pcb *inp6; 1428 1429 inp6 = (struct in6pcb *)inp; 1430 if (SCTP_IPV6_V6ONLY(inp6)) { 1431 /* 1432 * if IPV6_V6ONLY flag, ignore connections destined 1433 * to a v4 addr or v4-mapped addr 1434 */ 1435 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1436 error = EINVAL; 1437 goto out_now; 1438 } 1439 } 1440#endif /* INET6 */ 1441 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1442 SCTP_PCB_FLAGS_UNBOUND) { 1443 /* Bind a ephemeral port */ 1444 error = sctp_inpcb_bind(so, NULL, NULL, p); 1445 if (error) { 1446 goto out_now; 1447 } 1448 } 1449 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1450 vrf_id = inp->def_vrf_id; 1451 1452 1453 /* We are GOOD to go */ 1454 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1455 inp->sctp_ep.pre_open_stream_count, 1456 inp->sctp_ep.port, 1457 (struct thread *)p 1458 ); 1459 if (stcb == NULL) { 1460 /* Gak! no memory */ 1461 goto out_now; 1462 } 1463 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1464 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1465 /* Set the connected flag so we can queue data */ 1466 soisconnecting(so); 1467 } 1468 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 1469 /* move to second address */ 1470 switch (sa->sa_family) { 1471#ifdef INET 1472 case AF_INET: 1473 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1474 break; 1475#endif 1476#ifdef INET6 1477 case AF_INET6: 1478 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1479 break; 1480#endif 1481 default: 1482 break; 1483 } 1484 1485 error = 0; 1486 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1487 /* Fill in the return id */ 1488 if (error) { 1489 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, 1490 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 1491 goto out_now; 1492 } 1493 a_id = (sctp_assoc_t *)optval; 1494 *a_id = sctp_get_associd(stcb); 1495 1496 /* initialize authentication parameters for the assoc */ 1497 sctp_initialize_auth_params(inp, stcb); 1498 1499 if (delay) { 1500 /* doing delayed connection */ 1501 stcb->asoc.delayed_connection = 1; 1502 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1503 } else { 1504 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1505 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1506 } 1507 SCTP_TCB_UNLOCK(stcb); 1508out_now: 1509 if (creat_lock_on) { 1510 SCTP_ASOC_CREATE_UNLOCK(inp); 1511 } 1512 SCTP_INP_DECR_REF(inp); 1513 return (error); 1514} 1515 1516#define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1517 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1518 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1519 SCTP_INP_RLOCK(inp); \ 1520 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1521 if (stcb) { \ 1522 SCTP_TCB_LOCK(stcb); \ 1523 } \ 1524 SCTP_INP_RUNLOCK(inp); \ 1525 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1526 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1527 if (stcb == NULL) { \ 1528 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1529 error = ENOENT; \ 1530 break; \ 1531 } \ 1532 } else { \ 1533 stcb = NULL; \ 1534 } \ 1535} 1536 1537 1538#define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1539 if (size < sizeof(type)) { \ 1540 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1541 error = EINVAL; \ 1542 break; \ 1543 } else { \ 1544 destp = (type *)srcp; \ 1545 } \ 1546} 1547 1548static int 1549sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1550 void *p) 1551{ 1552 struct sctp_inpcb *inp = NULL; 1553 int error, val = 0; 1554 struct sctp_tcb *stcb = NULL; 1555 1556 if (optval == NULL) { 1557 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1558 return (EINVAL); 1559 } 1560 inp = (struct sctp_inpcb *)so->so_pcb; 1561 if (inp == NULL) { 1562 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1563 return EINVAL; 1564 } 1565 error = 0; 1566 1567 switch (optname) { 1568 case SCTP_NODELAY: 1569 case SCTP_AUTOCLOSE: 1570 case SCTP_EXPLICIT_EOR: 1571 case SCTP_AUTO_ASCONF: 1572 case SCTP_DISABLE_FRAGMENTS: 1573 case SCTP_I_WANT_MAPPED_V4_ADDR: 1574 case SCTP_USE_EXT_RCVINFO: 1575 SCTP_INP_RLOCK(inp); 1576 switch (optname) { 1577 case SCTP_DISABLE_FRAGMENTS: 1578 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1579 break; 1580 case SCTP_I_WANT_MAPPED_V4_ADDR: 1581 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1582 break; 1583 case SCTP_AUTO_ASCONF: 1584 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1585 /* only valid for bound all sockets */ 1586 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1587 } else { 1588 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1589 error = EINVAL; 1590 goto flags_out; 1591 } 1592 break; 1593 case SCTP_EXPLICIT_EOR: 1594 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1595 break; 1596 case SCTP_NODELAY: 1597 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1598 break; 1599 case SCTP_USE_EXT_RCVINFO: 1600 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1601 break; 1602 case SCTP_AUTOCLOSE: 1603 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1604 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1605 else 1606 val = 0; 1607 break; 1608 1609 default: 1610 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1611 error = ENOPROTOOPT; 1612 } /* end switch (sopt->sopt_name) */ 1613 if (*optsize < sizeof(val)) { 1614 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1615 error = EINVAL; 1616 } 1617flags_out: 1618 SCTP_INP_RUNLOCK(inp); 1619 if (error == 0) { 1620 /* return the option value */ 1621 *(int *)optval = val; 1622 *optsize = sizeof(val); 1623 } 1624 break; 1625 case SCTP_GET_PACKET_LOG: 1626 { 1627#ifdef SCTP_PACKET_LOGGING 1628 uint8_t *target; 1629 int ret; 1630 1631 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1632 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1633 *optsize = ret; 1634#else 1635 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1636 error = EOPNOTSUPP; 1637#endif 1638 break; 1639 } 1640 case SCTP_REUSE_PORT: 1641 { 1642 uint32_t *value; 1643 1644 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1645 /* Can't do this for a 1-m socket */ 1646 error = EINVAL; 1647 break; 1648 } 1649 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1650 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1651 *optsize = sizeof(uint32_t); 1652 break; 1653 } 1654 case SCTP_PARTIAL_DELIVERY_POINT: 1655 { 1656 uint32_t *value; 1657 1658 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1659 *value = inp->partial_delivery_point; 1660 *optsize = sizeof(uint32_t); 1661 break; 1662 } 1663 case SCTP_FRAGMENT_INTERLEAVE: 1664 { 1665 uint32_t *value; 1666 1667 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1668 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1669 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1670 *value = SCTP_FRAG_LEVEL_2; 1671 } else { 1672 *value = SCTP_FRAG_LEVEL_1; 1673 } 1674 } else { 1675 *value = SCTP_FRAG_LEVEL_0; 1676 } 1677 *optsize = sizeof(uint32_t); 1678 break; 1679 } 1680 case SCTP_INTERLEAVING_SUPPORTED: 1681 { 1682 struct sctp_assoc_value *av; 1683 1684 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1685 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1686 1687 if (stcb) { 1688 av->assoc_value = stcb->asoc.idata_supported; 1689 SCTP_TCB_UNLOCK(stcb); 1690 } else { 1691 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1692 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1693 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1694 SCTP_INP_RLOCK(inp); 1695 if (inp->idata_supported) { 1696 av->assoc_value = 1; 1697 } else { 1698 av->assoc_value = 0; 1699 } 1700 SCTP_INP_RUNLOCK(inp); 1701 } else { 1702 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1703 error = EINVAL; 1704 } 1705 } 1706 if (error == 0) { 1707 *optsize = sizeof(struct sctp_assoc_value); 1708 } 1709 break; 1710 } 1711 case SCTP_CMT_ON_OFF: 1712 { 1713 struct sctp_assoc_value *av; 1714 1715 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1716 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1717 if (stcb) { 1718 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1719 SCTP_TCB_UNLOCK(stcb); 1720 } else { 1721 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1722 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1723 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1724 SCTP_INP_RLOCK(inp); 1725 av->assoc_value = inp->sctp_cmt_on_off; 1726 SCTP_INP_RUNLOCK(inp); 1727 } else { 1728 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1729 error = EINVAL; 1730 } 1731 } 1732 if (error == 0) { 1733 *optsize = sizeof(struct sctp_assoc_value); 1734 } 1735 break; 1736 } 1737 case SCTP_PLUGGABLE_CC: 1738 { 1739 struct sctp_assoc_value *av; 1740 1741 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1742 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1743 if (stcb) { 1744 av->assoc_value = stcb->asoc.congestion_control_module; 1745 SCTP_TCB_UNLOCK(stcb); 1746 } else { 1747 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1748 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1749 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1750 SCTP_INP_RLOCK(inp); 1751 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1752 SCTP_INP_RUNLOCK(inp); 1753 } else { 1754 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1755 error = EINVAL; 1756 } 1757 } 1758 if (error == 0) { 1759 *optsize = sizeof(struct sctp_assoc_value); 1760 } 1761 break; 1762 } 1763 case SCTP_CC_OPTION: 1764 { 1765 struct sctp_cc_option *cc_opt; 1766 1767 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1768 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1769 if (stcb == NULL) { 1770 error = EINVAL; 1771 } else { 1772 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1773 error = ENOTSUP; 1774 } else { 1775 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1776 *optsize = sizeof(struct sctp_cc_option); 1777 } 1778 SCTP_TCB_UNLOCK(stcb); 1779 } 1780 break; 1781 } 1782 case SCTP_PLUGGABLE_SS: 1783 { 1784 struct sctp_assoc_value *av; 1785 1786 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1787 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1788 if (stcb) { 1789 av->assoc_value = stcb->asoc.stream_scheduling_module; 1790 SCTP_TCB_UNLOCK(stcb); 1791 } else { 1792 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1793 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1794 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1795 SCTP_INP_RLOCK(inp); 1796 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1797 SCTP_INP_RUNLOCK(inp); 1798 } else { 1799 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1800 error = EINVAL; 1801 } 1802 } 1803 if (error == 0) { 1804 *optsize = sizeof(struct sctp_assoc_value); 1805 } 1806 break; 1807 } 1808 case SCTP_SS_VALUE: 1809 { 1810 struct sctp_stream_value *av; 1811 1812 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1813 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1814 if (stcb) { 1815 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 1816 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1817 &av->stream_value) < 0)) { 1818 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1819 error = EINVAL; 1820 } else { 1821 *optsize = sizeof(struct sctp_stream_value); 1822 } 1823 SCTP_TCB_UNLOCK(stcb); 1824 } else { 1825 /* 1826 * Can't get stream value without 1827 * association 1828 */ 1829 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1830 error = EINVAL; 1831 } 1832 break; 1833 } 1834 case SCTP_GET_ADDR_LEN: 1835 { 1836 struct sctp_assoc_value *av; 1837 1838 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1839 error = EINVAL; 1840#ifdef INET 1841 if (av->assoc_value == AF_INET) { 1842 av->assoc_value = sizeof(struct sockaddr_in); 1843 error = 0; 1844 } 1845#endif 1846#ifdef INET6 1847 if (av->assoc_value == AF_INET6) { 1848 av->assoc_value = sizeof(struct sockaddr_in6); 1849 error = 0; 1850 } 1851#endif 1852 if (error) { 1853 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1854 } else { 1855 *optsize = sizeof(struct sctp_assoc_value); 1856 } 1857 break; 1858 } 1859 case SCTP_GET_ASSOC_NUMBER: 1860 { 1861 uint32_t *value, cnt; 1862 1863 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1864 SCTP_INP_RLOCK(inp); 1865 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1866 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1867 /* Can't do this for a 1-1 socket */ 1868 error = EINVAL; 1869 SCTP_INP_RUNLOCK(inp); 1870 break; 1871 } 1872 cnt = 0; 1873 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1874 cnt++; 1875 } 1876 SCTP_INP_RUNLOCK(inp); 1877 *value = cnt; 1878 *optsize = sizeof(uint32_t); 1879 break; 1880 } 1881 case SCTP_GET_ASSOC_ID_LIST: 1882 { 1883 struct sctp_assoc_ids *ids; 1884 uint32_t at; 1885 size_t limit; 1886 1887 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1888 SCTP_INP_RLOCK(inp); 1889 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1890 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1891 /* Can't do this for a 1-1 socket */ 1892 error = EINVAL; 1893 SCTP_INP_RUNLOCK(inp); 1894 break; 1895 } 1896 at = 0; 1897 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1898 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1899 if (at < limit) { 1900 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1901 if (at == 0) { 1902 error = EINVAL; 1903 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1904 break; 1905 } 1906 } else { 1907 error = EINVAL; 1908 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1909 break; 1910 } 1911 } 1912 SCTP_INP_RUNLOCK(inp); 1913 if (error == 0) { 1914 ids->gaids_number_of_ids = at; 1915 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1916 } 1917 break; 1918 } 1919 case SCTP_CONTEXT: 1920 { 1921 struct sctp_assoc_value *av; 1922 1923 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1924 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1925 1926 if (stcb) { 1927 av->assoc_value = stcb->asoc.context; 1928 SCTP_TCB_UNLOCK(stcb); 1929 } else { 1930 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1931 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1932 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1933 SCTP_INP_RLOCK(inp); 1934 av->assoc_value = inp->sctp_context; 1935 SCTP_INP_RUNLOCK(inp); 1936 } else { 1937 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1938 error = EINVAL; 1939 } 1940 } 1941 if (error == 0) { 1942 *optsize = sizeof(struct sctp_assoc_value); 1943 } 1944 break; 1945 } 1946 case SCTP_VRF_ID: 1947 { 1948 uint32_t *default_vrfid; 1949 1950 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1951 *default_vrfid = inp->def_vrf_id; 1952 *optsize = sizeof(uint32_t); 1953 break; 1954 } 1955 case SCTP_GET_ASOC_VRF: 1956 { 1957 struct sctp_assoc_value *id; 1958 1959 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1960 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1961 if (stcb == NULL) { 1962 error = EINVAL; 1963 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1964 } else { 1965 id->assoc_value = stcb->asoc.vrf_id; 1966 SCTP_TCB_UNLOCK(stcb); 1967 *optsize = sizeof(struct sctp_assoc_value); 1968 } 1969 break; 1970 } 1971 case SCTP_GET_VRF_IDS: 1972 { 1973 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1974 error = EOPNOTSUPP; 1975 break; 1976 } 1977 case SCTP_GET_NONCE_VALUES: 1978 { 1979 struct sctp_get_nonce_values *gnv; 1980 1981 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 1982 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 1983 1984 if (stcb) { 1985 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 1986 gnv->gn_local_tag = stcb->asoc.my_vtag; 1987 SCTP_TCB_UNLOCK(stcb); 1988 *optsize = sizeof(struct sctp_get_nonce_values); 1989 } else { 1990 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 1991 error = ENOTCONN; 1992 } 1993 break; 1994 } 1995 case SCTP_DELAYED_SACK: 1996 { 1997 struct sctp_sack_info *sack; 1998 1999 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 2000 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 2001 if (stcb) { 2002 sack->sack_delay = stcb->asoc.delayed_ack; 2003 sack->sack_freq = stcb->asoc.sack_freq; 2004 SCTP_TCB_UNLOCK(stcb); 2005 } else { 2006 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2007 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2008 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) { 2009 SCTP_INP_RLOCK(inp); 2010 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2011 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2012 SCTP_INP_RUNLOCK(inp); 2013 } else { 2014 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2015 error = EINVAL; 2016 } 2017 } 2018 if (error == 0) { 2019 *optsize = sizeof(struct sctp_sack_info); 2020 } 2021 break; 2022 } 2023 case SCTP_GET_SNDBUF_USE: 2024 { 2025 struct sctp_sockstat *ss; 2026 2027 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2028 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2029 2030 if (stcb) { 2031 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2032 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2033 stcb->asoc.size_on_all_streams); 2034 SCTP_TCB_UNLOCK(stcb); 2035 *optsize = sizeof(struct sctp_sockstat); 2036 } else { 2037 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2038 error = ENOTCONN; 2039 } 2040 break; 2041 } 2042 case SCTP_MAX_BURST: 2043 { 2044 struct sctp_assoc_value *av; 2045 2046 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2047 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2048 2049 if (stcb) { 2050 av->assoc_value = stcb->asoc.max_burst; 2051 SCTP_TCB_UNLOCK(stcb); 2052 } else { 2053 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2054 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2055 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2056 SCTP_INP_RLOCK(inp); 2057 av->assoc_value = inp->sctp_ep.max_burst; 2058 SCTP_INP_RUNLOCK(inp); 2059 } else { 2060 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2061 error = EINVAL; 2062 } 2063 } 2064 if (error == 0) { 2065 *optsize = sizeof(struct sctp_assoc_value); 2066 } 2067 break; 2068 } 2069 case SCTP_MAXSEG: 2070 { 2071 struct sctp_assoc_value *av; 2072 int ovh; 2073 2074 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2075 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2076 2077 if (stcb) { 2078 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2079 SCTP_TCB_UNLOCK(stcb); 2080 } else { 2081 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2082 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2083 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2084 SCTP_INP_RLOCK(inp); 2085 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2086 ovh = SCTP_MED_OVERHEAD; 2087 } else { 2088 ovh = SCTP_MED_V4_OVERHEAD; 2089 } 2090 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2091 av->assoc_value = 0; 2092 else 2093 av->assoc_value = inp->sctp_frag_point - ovh; 2094 SCTP_INP_RUNLOCK(inp); 2095 } else { 2096 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2097 error = EINVAL; 2098 } 2099 } 2100 if (error == 0) { 2101 *optsize = sizeof(struct sctp_assoc_value); 2102 } 2103 break; 2104 } 2105 case SCTP_GET_STAT_LOG: 2106 error = sctp_fill_stat_log(optval, optsize); 2107 break; 2108 case SCTP_EVENTS: 2109 { 2110 struct sctp_event_subscribe *events; 2111 2112 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2113 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2114 SCTP_INP_RLOCK(inp); 2115 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2116 events->sctp_data_io_event = 1; 2117 2118 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2119 events->sctp_association_event = 1; 2120 2121 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2122 events->sctp_address_event = 1; 2123 2124 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2125 events->sctp_send_failure_event = 1; 2126 2127 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2128 events->sctp_peer_error_event = 1; 2129 2130 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2131 events->sctp_shutdown_event = 1; 2132 2133 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2134 events->sctp_partial_delivery_event = 1; 2135 2136 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2137 events->sctp_adaptation_layer_event = 1; 2138 2139 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2140 events->sctp_authentication_event = 1; 2141 2142 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2143 events->sctp_sender_dry_event = 1; 2144 2145 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2146 events->sctp_stream_reset_event = 1; 2147 SCTP_INP_RUNLOCK(inp); 2148 *optsize = sizeof(struct sctp_event_subscribe); 2149 break; 2150 } 2151 case SCTP_ADAPTATION_LAYER: 2152 { 2153 uint32_t *value; 2154 2155 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2156 2157 SCTP_INP_RLOCK(inp); 2158 *value = inp->sctp_ep.adaptation_layer_indicator; 2159 SCTP_INP_RUNLOCK(inp); 2160 *optsize = sizeof(uint32_t); 2161 break; 2162 } 2163 case SCTP_SET_INITIAL_DBG_SEQ: 2164 { 2165 uint32_t *value; 2166 2167 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2168 SCTP_INP_RLOCK(inp); 2169 *value = inp->sctp_ep.initial_sequence_debug; 2170 SCTP_INP_RUNLOCK(inp); 2171 *optsize = sizeof(uint32_t); 2172 break; 2173 } 2174 case SCTP_GET_LOCAL_ADDR_SIZE: 2175 { 2176 uint32_t *value; 2177 2178 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2179 SCTP_INP_RLOCK(inp); 2180 *value = sctp_count_max_addresses(inp); 2181 SCTP_INP_RUNLOCK(inp); 2182 *optsize = sizeof(uint32_t); 2183 break; 2184 } 2185 case SCTP_GET_REMOTE_ADDR_SIZE: 2186 { 2187 uint32_t *value; 2188 size_t size; 2189 struct sctp_nets *net; 2190 2191 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2192 /* FIXME MT: change to sctp_assoc_value? */ 2193 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 2194 2195 if (stcb) { 2196 size = 0; 2197 /* Count the sizes */ 2198 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2199 switch (net->ro._l_addr.sa.sa_family) { 2200#ifdef INET 2201 case AF_INET: 2202#ifdef INET6 2203 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2204 size += sizeof(struct sockaddr_in6); 2205 } else { 2206 size += sizeof(struct sockaddr_in); 2207 } 2208#else 2209 size += sizeof(struct sockaddr_in); 2210#endif 2211 break; 2212#endif 2213#ifdef INET6 2214 case AF_INET6: 2215 size += sizeof(struct sockaddr_in6); 2216 break; 2217#endif 2218 default: 2219 break; 2220 } 2221 } 2222 SCTP_TCB_UNLOCK(stcb); 2223 *value = (uint32_t)size; 2224 *optsize = sizeof(uint32_t); 2225 } else { 2226 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2227 error = ENOTCONN; 2228 } 2229 break; 2230 } 2231 case SCTP_GET_PEER_ADDRESSES: 2232 /* 2233 * Get the address information, an array is passed in to 2234 * fill up we pack it. 2235 */ 2236 { 2237 size_t cpsz, left; 2238 struct sockaddr_storage *sas; 2239 struct sctp_nets *net; 2240 struct sctp_getaddresses *saddr; 2241 2242 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2243 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2244 2245 if (stcb) { 2246 left = (*optsize) - sizeof(struct sctp_getaddresses); 2247 *optsize = sizeof(struct sctp_getaddresses); 2248 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2249 2250 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2251 switch (net->ro._l_addr.sa.sa_family) { 2252#ifdef INET 2253 case AF_INET: 2254#ifdef INET6 2255 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2256 cpsz = sizeof(struct sockaddr_in6); 2257 } else { 2258 cpsz = sizeof(struct sockaddr_in); 2259 } 2260#else 2261 cpsz = sizeof(struct sockaddr_in); 2262#endif 2263 break; 2264#endif 2265#ifdef INET6 2266 case AF_INET6: 2267 cpsz = sizeof(struct sockaddr_in6); 2268 break; 2269#endif 2270 default: 2271 cpsz = 0; 2272 break; 2273 } 2274 if (cpsz == 0) { 2275 break; 2276 } 2277 if (left < cpsz) { 2278 /* not enough room. */ 2279 break; 2280 } 2281#if defined(INET) && defined(INET6) 2282 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2283 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2284 /* Must map the address */ 2285 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2286 (struct sockaddr_in6 *)sas); 2287 } else { 2288 memcpy(sas, &net->ro._l_addr, cpsz); 2289 } 2290#else 2291 memcpy(sas, &net->ro._l_addr, cpsz); 2292#endif 2293 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2294 2295 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2296 left -= cpsz; 2297 *optsize += cpsz; 2298 } 2299 SCTP_TCB_UNLOCK(stcb); 2300 } else { 2301 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2302 error = ENOENT; 2303 } 2304 break; 2305 } 2306 case SCTP_GET_LOCAL_ADDRESSES: 2307 { 2308 size_t limit, actual; 2309 struct sockaddr_storage *sas; 2310 struct sctp_getaddresses *saddr; 2311 2312 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2313 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2314 2315 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2316 limit = *optsize - sizeof(sctp_assoc_t); 2317 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2318 if (stcb) { 2319 SCTP_TCB_UNLOCK(stcb); 2320 } 2321 *optsize = sizeof(struct sockaddr_storage) + actual; 2322 break; 2323 } 2324 case SCTP_PEER_ADDR_PARAMS: 2325 { 2326 struct sctp_paddrparams *paddrp; 2327 struct sctp_nets *net; 2328 struct sockaddr *addr; 2329#if defined(INET) && defined(INET6) 2330 struct sockaddr_in sin_store; 2331#endif 2332 2333 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2334 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2335 2336#if defined(INET) && defined(INET6) 2337 if (paddrp->spp_address.ss_family == AF_INET6) { 2338 struct sockaddr_in6 *sin6; 2339 2340 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2341 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2342 in6_sin6_2_sin(&sin_store, sin6); 2343 addr = (struct sockaddr *)&sin_store; 2344 } else { 2345 addr = (struct sockaddr *)&paddrp->spp_address; 2346 } 2347 } else { 2348 addr = (struct sockaddr *)&paddrp->spp_address; 2349 } 2350#else 2351 addr = (struct sockaddr *)&paddrp->spp_address; 2352#endif 2353 if (stcb != NULL) { 2354 net = sctp_findnet(stcb, addr); 2355 } else { 2356 /* 2357 * We increment here since 2358 * sctp_findassociation_ep_addr() wil do a 2359 * decrement if it finds the stcb as long as 2360 * the locked tcb (last argument) is NOT a 2361 * TCB.. aka NULL. 2362 */ 2363 net = NULL; 2364 SCTP_INP_INCR_REF(inp); 2365 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2366 if (stcb == NULL) { 2367 SCTP_INP_DECR_REF(inp); 2368 } 2369 } 2370 if ((stcb != NULL) && (net == NULL)) { 2371#ifdef INET 2372 if (addr->sa_family == AF_INET) { 2373 struct sockaddr_in *sin; 2374 2375 sin = (struct sockaddr_in *)addr; 2376 if (sin->sin_addr.s_addr != INADDR_ANY) { 2377 error = EINVAL; 2378 SCTP_TCB_UNLOCK(stcb); 2379 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2380 break; 2381 } 2382 } else 2383#endif 2384#ifdef INET6 2385 if (addr->sa_family == AF_INET6) { 2386 struct sockaddr_in6 *sin6; 2387 2388 sin6 = (struct sockaddr_in6 *)addr; 2389 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2390 error = EINVAL; 2391 SCTP_TCB_UNLOCK(stcb); 2392 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2393 break; 2394 } 2395 } else 2396#endif 2397 { 2398 error = EAFNOSUPPORT; 2399 SCTP_TCB_UNLOCK(stcb); 2400 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2401 break; 2402 } 2403 } 2404 if (stcb != NULL) { 2405 /* Applies to the specific association */ 2406 paddrp->spp_flags = 0; 2407 if (net != NULL) { 2408 paddrp->spp_hbinterval = net->heart_beat_delay; 2409 paddrp->spp_pathmaxrxt = net->failure_threshold; 2410 paddrp->spp_pathmtu = net->mtu; 2411 switch (net->ro._l_addr.sa.sa_family) { 2412#ifdef INET 2413 case AF_INET: 2414 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2415 break; 2416#endif 2417#ifdef INET6 2418 case AF_INET6: 2419 paddrp->spp_pathmtu -= SCTP_MIN_OVERHEAD; 2420 break; 2421#endif 2422 default: 2423 break; 2424 } 2425 /* get flags for HB */ 2426 if (net->dest_state & SCTP_ADDR_NOHB) { 2427 paddrp->spp_flags |= SPP_HB_DISABLE; 2428 } else { 2429 paddrp->spp_flags |= SPP_HB_ENABLE; 2430 } 2431 /* get flags for PMTU */ 2432 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2433 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2434 } else { 2435 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2436 } 2437 if (net->dscp & 0x01) { 2438 paddrp->spp_dscp = net->dscp & 0xfc; 2439 paddrp->spp_flags |= SPP_DSCP; 2440 } 2441#ifdef INET6 2442 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2443 (net->flowlabel & 0x80000000)) { 2444 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2445 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2446 } 2447#endif 2448 } else { 2449 /* 2450 * No destination so return default 2451 * value 2452 */ 2453 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2454 paddrp->spp_pathmtu = stcb->asoc.default_mtu; 2455 if (stcb->asoc.default_dscp & 0x01) { 2456 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2457 paddrp->spp_flags |= SPP_DSCP; 2458 } 2459#ifdef INET6 2460 if (stcb->asoc.default_flowlabel & 0x80000000) { 2461 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2462 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2463 } 2464#endif 2465 /* default settings should be these */ 2466 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2467 paddrp->spp_flags |= SPP_HB_DISABLE; 2468 } else { 2469 paddrp->spp_flags |= SPP_HB_ENABLE; 2470 } 2471 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2472 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2473 } else { 2474 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2475 } 2476 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2477 } 2478 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2479 SCTP_TCB_UNLOCK(stcb); 2480 } else { 2481 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2482 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2483 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 2484 /* Use endpoint defaults */ 2485 SCTP_INP_RLOCK(inp); 2486 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2487 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2488 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2489 /* get inp's default */ 2490 if (inp->sctp_ep.default_dscp & 0x01) { 2491 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2492 paddrp->spp_flags |= SPP_DSCP; 2493 } 2494#ifdef INET6 2495 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2496 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2497 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2498 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2499 } 2500#endif 2501 paddrp->spp_pathmtu = inp->sctp_ep.default_mtu; 2502 2503 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2504 paddrp->spp_flags |= SPP_HB_ENABLE; 2505 } else { 2506 paddrp->spp_flags |= SPP_HB_DISABLE; 2507 } 2508 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2509 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2510 } else { 2511 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2512 } 2513 SCTP_INP_RUNLOCK(inp); 2514 } else { 2515 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2516 error = EINVAL; 2517 } 2518 } 2519 if (error == 0) { 2520 *optsize = sizeof(struct sctp_paddrparams); 2521 } 2522 break; 2523 } 2524 case SCTP_GET_PEER_ADDR_INFO: 2525 { 2526 struct sctp_paddrinfo *paddri; 2527 struct sctp_nets *net; 2528 struct sockaddr *addr; 2529#if defined(INET) && defined(INET6) 2530 struct sockaddr_in sin_store; 2531#endif 2532 2533 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2534 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2535 2536#if defined(INET) && defined(INET6) 2537 if (paddri->spinfo_address.ss_family == AF_INET6) { 2538 struct sockaddr_in6 *sin6; 2539 2540 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2541 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2542 in6_sin6_2_sin(&sin_store, sin6); 2543 addr = (struct sockaddr *)&sin_store; 2544 } else { 2545 addr = (struct sockaddr *)&paddri->spinfo_address; 2546 } 2547 } else { 2548 addr = (struct sockaddr *)&paddri->spinfo_address; 2549 } 2550#else 2551 addr = (struct sockaddr *)&paddri->spinfo_address; 2552#endif 2553 if (stcb != NULL) { 2554 net = sctp_findnet(stcb, addr); 2555 } else { 2556 /* 2557 * We increment here since 2558 * sctp_findassociation_ep_addr() wil do a 2559 * decrement if it finds the stcb as long as 2560 * the locked tcb (last argument) is NOT a 2561 * TCB.. aka NULL. 2562 */ 2563 net = NULL; 2564 SCTP_INP_INCR_REF(inp); 2565 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2566 if (stcb == NULL) { 2567 SCTP_INP_DECR_REF(inp); 2568 } 2569 } 2570 2571 if ((stcb != NULL) && (net != NULL)) { 2572 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2573 /* It's unconfirmed */ 2574 paddri->spinfo_state = SCTP_UNCONFIRMED; 2575 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2576 /* It's active */ 2577 paddri->spinfo_state = SCTP_ACTIVE; 2578 } else { 2579 /* It's inactive */ 2580 paddri->spinfo_state = SCTP_INACTIVE; 2581 } 2582 paddri->spinfo_cwnd = net->cwnd; 2583 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2584 paddri->spinfo_rto = net->RTO; 2585 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2586 paddri->spinfo_mtu = net->mtu; 2587 switch (addr->sa_family) { 2588#if defined(INET) 2589 case AF_INET: 2590 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2591 break; 2592#endif 2593#if defined(INET6) 2594 case AF_INET6: 2595 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD; 2596 break; 2597#endif 2598 default: 2599 break; 2600 } 2601 SCTP_TCB_UNLOCK(stcb); 2602 *optsize = sizeof(struct sctp_paddrinfo); 2603 } else { 2604 if (stcb != NULL) { 2605 SCTP_TCB_UNLOCK(stcb); 2606 } 2607 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2608 error = ENOENT; 2609 } 2610 break; 2611 } 2612 case SCTP_PCB_STATUS: 2613 { 2614 struct sctp_pcbinfo *spcb; 2615 2616 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2617 sctp_fill_pcbinfo(spcb); 2618 *optsize = sizeof(struct sctp_pcbinfo); 2619 break; 2620 } 2621 case SCTP_STATUS: 2622 { 2623 struct sctp_nets *net; 2624 struct sctp_status *sstat; 2625 2626 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2627 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2628 2629 if (stcb == NULL) { 2630 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2631 error = EINVAL; 2632 break; 2633 } 2634 sstat->sstat_state = sctp_map_assoc_state(stcb->asoc.state); 2635 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2636 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2637 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2638 /* 2639 * We can't include chunks that have been passed to 2640 * the socket layer. Only things in queue. 2641 */ 2642 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2643 stcb->asoc.cnt_on_all_streams); 2644 2645 2646 sstat->sstat_instrms = stcb->asoc.streamincnt; 2647 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2648 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 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 net = stcb->asoc.primary_destination; 2653 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2654 /* 2655 * Again the user can get info from sctp_constants.h 2656 * for what the state of 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 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2687 SCTP_TCB_UNLOCK(stcb); 2688 *optsize = sizeof(struct sctp_status); 2689 break; 2690 } 2691 case SCTP_RTOINFO: 2692 { 2693 struct sctp_rtoinfo *srto; 2694 2695 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2696 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2697 2698 if (stcb) { 2699 srto->srto_initial = stcb->asoc.initial_rto; 2700 srto->srto_max = stcb->asoc.maxrto; 2701 srto->srto_min = stcb->asoc.minrto; 2702 SCTP_TCB_UNLOCK(stcb); 2703 } else { 2704 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2705 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2706 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2707 SCTP_INP_RLOCK(inp); 2708 srto->srto_initial = inp->sctp_ep.initial_rto; 2709 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2710 srto->srto_min = inp->sctp_ep.sctp_minrto; 2711 SCTP_INP_RUNLOCK(inp); 2712 } else { 2713 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2714 error = EINVAL; 2715 } 2716 } 2717 if (error == 0) { 2718 *optsize = sizeof(struct sctp_rtoinfo); 2719 } 2720 break; 2721 } 2722 case SCTP_TIMEOUTS: 2723 { 2724 struct sctp_timeouts *stimo; 2725 2726 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2727 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2728 2729 if (stcb) { 2730 stimo->stimo_init = stcb->asoc.timoinit; 2731 stimo->stimo_data = stcb->asoc.timodata; 2732 stimo->stimo_sack = stcb->asoc.timosack; 2733 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2734 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2735 stimo->stimo_cookie = stcb->asoc.timocookie; 2736 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2737 SCTP_TCB_UNLOCK(stcb); 2738 *optsize = sizeof(struct sctp_timeouts); 2739 } else { 2740 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2741 error = EINVAL; 2742 } 2743 break; 2744 } 2745 case SCTP_ASSOCINFO: 2746 { 2747 struct sctp_assocparams *sasoc; 2748 2749 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2750 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2751 2752 if (stcb) { 2753 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2754 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2755 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2756 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2757 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2758 SCTP_TCB_UNLOCK(stcb); 2759 } else { 2760 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2761 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2762 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2763 SCTP_INP_RLOCK(inp); 2764 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2765 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2766 sasoc->sasoc_number_peer_destinations = 0; 2767 sasoc->sasoc_peer_rwnd = 0; 2768 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2769 SCTP_INP_RUNLOCK(inp); 2770 } else { 2771 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2772 error = EINVAL; 2773 } 2774 } 2775 if (error == 0) { 2776 *optsize = sizeof(struct sctp_assocparams); 2777 } 2778 break; 2779 } 2780 case SCTP_DEFAULT_SEND_PARAM: 2781 { 2782 struct sctp_sndrcvinfo *s_info; 2783 2784 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2785 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2786 2787 if (stcb) { 2788 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2789 SCTP_TCB_UNLOCK(stcb); 2790 } else { 2791 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2792 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2793 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2794 SCTP_INP_RLOCK(inp); 2795 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2796 SCTP_INP_RUNLOCK(inp); 2797 } else { 2798 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2799 error = EINVAL; 2800 } 2801 } 2802 if (error == 0) { 2803 *optsize = sizeof(struct sctp_sndrcvinfo); 2804 } 2805 break; 2806 } 2807 case SCTP_INITMSG: 2808 { 2809 struct sctp_initmsg *sinit; 2810 2811 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2812 SCTP_INP_RLOCK(inp); 2813 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2814 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2815 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2816 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2817 SCTP_INP_RUNLOCK(inp); 2818 *optsize = sizeof(struct sctp_initmsg); 2819 break; 2820 } 2821 case SCTP_PRIMARY_ADDR: 2822 /* we allow a "get" operation on this */ 2823 { 2824 struct sctp_setprim *ssp; 2825 2826 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2827 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2828 2829 if (stcb) { 2830 union sctp_sockstore *addr; 2831 2832 addr = &stcb->asoc.primary_destination->ro._l_addr; 2833 switch (addr->sa.sa_family) { 2834#ifdef INET 2835 case AF_INET: 2836#ifdef INET6 2837 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2838 in6_sin_2_v4mapsin6(&addr->sin, 2839 (struct sockaddr_in6 *)&ssp->ssp_addr); 2840 } else { 2841 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2842 } 2843#else 2844 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2845#endif 2846 break; 2847#endif 2848#ifdef INET6 2849 case AF_INET6: 2850 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2851 break; 2852#endif 2853 default: 2854 break; 2855 } 2856 SCTP_TCB_UNLOCK(stcb); 2857 *optsize = sizeof(struct sctp_setprim); 2858 } else { 2859 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2860 error = EINVAL; 2861 } 2862 break; 2863 } 2864 case SCTP_HMAC_IDENT: 2865 { 2866 struct sctp_hmacalgo *shmac; 2867 sctp_hmaclist_t *hmaclist; 2868 uint32_t size; 2869 int i; 2870 2871 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2872 2873 SCTP_INP_RLOCK(inp); 2874 hmaclist = inp->sctp_ep.local_hmacs; 2875 if (hmaclist == NULL) { 2876 /* no HMACs to return */ 2877 *optsize = sizeof(*shmac); 2878 SCTP_INP_RUNLOCK(inp); 2879 break; 2880 } 2881 /* is there room for all of the hmac ids? */ 2882 size = sizeof(*shmac) + (hmaclist->num_algo * 2883 sizeof(shmac->shmac_idents[0])); 2884 if ((size_t)(*optsize) < size) { 2885 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2886 error = EINVAL; 2887 SCTP_INP_RUNLOCK(inp); 2888 break; 2889 } 2890 /* copy in the list */ 2891 shmac->shmac_number_of_idents = hmaclist->num_algo; 2892 for (i = 0; i < hmaclist->num_algo; i++) { 2893 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2894 } 2895 SCTP_INP_RUNLOCK(inp); 2896 *optsize = size; 2897 break; 2898 } 2899 case SCTP_AUTH_ACTIVE_KEY: 2900 { 2901 struct sctp_authkeyid *scact; 2902 2903 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2904 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2905 2906 if (stcb) { 2907 /* get the active key on the assoc */ 2908 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2909 SCTP_TCB_UNLOCK(stcb); 2910 } else { 2911 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2912 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2913 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2914 /* get the endpoint active key */ 2915 SCTP_INP_RLOCK(inp); 2916 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2917 SCTP_INP_RUNLOCK(inp); 2918 } else { 2919 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2920 error = EINVAL; 2921 } 2922 } 2923 if (error == 0) { 2924 *optsize = sizeof(struct sctp_authkeyid); 2925 } 2926 break; 2927 } 2928 case SCTP_LOCAL_AUTH_CHUNKS: 2929 { 2930 struct sctp_authchunks *sac; 2931 sctp_auth_chklist_t *chklist = NULL; 2932 size_t size = 0; 2933 2934 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2935 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2936 2937 if (stcb) { 2938 /* get off the assoc */ 2939 chklist = stcb->asoc.local_auth_chunks; 2940 /* is there enough space? */ 2941 size = sctp_auth_get_chklist_size(chklist); 2942 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2943 error = EINVAL; 2944 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2945 } else { 2946 /* copy in the chunks */ 2947 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2948 sac->gauth_number_of_chunks = (uint32_t)size; 2949 *optsize = sizeof(struct sctp_authchunks) + size; 2950 } 2951 SCTP_TCB_UNLOCK(stcb); 2952 } else { 2953 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2954 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2955 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 2956 /* get off the endpoint */ 2957 SCTP_INP_RLOCK(inp); 2958 chklist = inp->sctp_ep.local_auth_chunks; 2959 /* is there enough space? */ 2960 size = sctp_auth_get_chklist_size(chklist); 2961 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2962 error = EINVAL; 2963 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2964 } else { 2965 /* copy in the chunks */ 2966 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2967 sac->gauth_number_of_chunks = (uint32_t)size; 2968 *optsize = sizeof(struct sctp_authchunks) + size; 2969 } 2970 SCTP_INP_RUNLOCK(inp); 2971 } else { 2972 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2973 error = EINVAL; 2974 } 2975 } 2976 break; 2977 } 2978 case SCTP_PEER_AUTH_CHUNKS: 2979 { 2980 struct sctp_authchunks *sac; 2981 sctp_auth_chklist_t *chklist = NULL; 2982 size_t size = 0; 2983 2984 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2985 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2986 2987 if (stcb) { 2988 /* get off the assoc */ 2989 chklist = stcb->asoc.peer_auth_chunks; 2990 /* is there enough space? */ 2991 size = sctp_auth_get_chklist_size(chklist); 2992 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2993 error = EINVAL; 2994 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2995 } else { 2996 /* copy in the chunks */ 2997 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2998 sac->gauth_number_of_chunks = (uint32_t)size; 2999 *optsize = sizeof(struct sctp_authchunks) + size; 3000 } 3001 SCTP_TCB_UNLOCK(stcb); 3002 } else { 3003 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 3004 error = ENOENT; 3005 } 3006 break; 3007 } 3008 case SCTP_EVENT: 3009 { 3010 struct sctp_event *event; 3011 uint32_t event_type; 3012 3013 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 3014 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 3015 3016 switch (event->se_type) { 3017 case SCTP_ASSOC_CHANGE: 3018 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 3019 break; 3020 case SCTP_PEER_ADDR_CHANGE: 3021 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3022 break; 3023 case SCTP_REMOTE_ERROR: 3024 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3025 break; 3026 case SCTP_SEND_FAILED: 3027 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3028 break; 3029 case SCTP_SHUTDOWN_EVENT: 3030 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3031 break; 3032 case SCTP_ADAPTATION_INDICATION: 3033 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3034 break; 3035 case SCTP_PARTIAL_DELIVERY_EVENT: 3036 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3037 break; 3038 case SCTP_AUTHENTICATION_EVENT: 3039 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3040 break; 3041 case SCTP_STREAM_RESET_EVENT: 3042 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3043 break; 3044 case SCTP_SENDER_DRY_EVENT: 3045 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3046 break; 3047 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3048 event_type = 0; 3049 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3050 error = ENOTSUP; 3051 break; 3052 case SCTP_ASSOC_RESET_EVENT: 3053 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3054 break; 3055 case SCTP_STREAM_CHANGE_EVENT: 3056 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3057 break; 3058 case SCTP_SEND_FAILED_EVENT: 3059 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3060 break; 3061 default: 3062 event_type = 0; 3063 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3064 error = EINVAL; 3065 break; 3066 } 3067 if (event_type > 0) { 3068 if (stcb) { 3069 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3070 } else { 3071 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3072 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3073 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 3074 SCTP_INP_RLOCK(inp); 3075 event->se_on = sctp_is_feature_on(inp, event_type); 3076 SCTP_INP_RUNLOCK(inp); 3077 } else { 3078 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3079 error = EINVAL; 3080 } 3081 } 3082 } 3083 if (stcb != NULL) { 3084 SCTP_TCB_UNLOCK(stcb); 3085 } 3086 if (error == 0) { 3087 *optsize = sizeof(struct sctp_event); 3088 } 3089 break; 3090 } 3091 case SCTP_RECVRCVINFO: 3092 { 3093 int onoff; 3094 3095 if (*optsize < sizeof(int)) { 3096 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3097 error = EINVAL; 3098 } else { 3099 SCTP_INP_RLOCK(inp); 3100 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3101 SCTP_INP_RUNLOCK(inp); 3102 } 3103 if (error == 0) { 3104 /* return the option value */ 3105 *(int *)optval = onoff; 3106 *optsize = sizeof(int); 3107 } 3108 break; 3109 } 3110 case SCTP_RECVNXTINFO: 3111 { 3112 int onoff; 3113 3114 if (*optsize < sizeof(int)) { 3115 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3116 error = EINVAL; 3117 } else { 3118 SCTP_INP_RLOCK(inp); 3119 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3120 SCTP_INP_RUNLOCK(inp); 3121 } 3122 if (error == 0) { 3123 /* return the option value */ 3124 *(int *)optval = onoff; 3125 *optsize = sizeof(int); 3126 } 3127 break; 3128 } 3129 case SCTP_DEFAULT_SNDINFO: 3130 { 3131 struct sctp_sndinfo *info; 3132 3133 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3134 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3135 3136 if (stcb) { 3137 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3138 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3139 info->snd_flags &= 0xfff0; 3140 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3141 info->snd_context = stcb->asoc.def_send.sinfo_context; 3142 SCTP_TCB_UNLOCK(stcb); 3143 } else { 3144 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3145 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3146 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3147 SCTP_INP_RLOCK(inp); 3148 info->snd_sid = inp->def_send.sinfo_stream; 3149 info->snd_flags = inp->def_send.sinfo_flags; 3150 info->snd_flags &= 0xfff0; 3151 info->snd_ppid = inp->def_send.sinfo_ppid; 3152 info->snd_context = inp->def_send.sinfo_context; 3153 SCTP_INP_RUNLOCK(inp); 3154 } else { 3155 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3156 error = EINVAL; 3157 } 3158 } 3159 if (error == 0) { 3160 *optsize = sizeof(struct sctp_sndinfo); 3161 } 3162 break; 3163 } 3164 case SCTP_DEFAULT_PRINFO: 3165 { 3166 struct sctp_default_prinfo *info; 3167 3168 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3169 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3170 3171 if (stcb) { 3172 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3173 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3174 SCTP_TCB_UNLOCK(stcb); 3175 } else { 3176 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3177 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3178 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3179 SCTP_INP_RLOCK(inp); 3180 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3181 info->pr_value = inp->def_send.sinfo_timetolive; 3182 SCTP_INP_RUNLOCK(inp); 3183 } else { 3184 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3185 error = EINVAL; 3186 } 3187 } 3188 if (error == 0) { 3189 *optsize = sizeof(struct sctp_default_prinfo); 3190 } 3191 break; 3192 } 3193 case SCTP_PEER_ADDR_THLDS: 3194 { 3195 struct sctp_paddrthlds *thlds; 3196 struct sctp_nets *net; 3197 struct sockaddr *addr; 3198#if defined(INET) && defined(INET6) 3199 struct sockaddr_in sin_store; 3200#endif 3201 3202 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3203 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3204 3205#if defined(INET) && defined(INET6) 3206 if (thlds->spt_address.ss_family == AF_INET6) { 3207 struct sockaddr_in6 *sin6; 3208 3209 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3210 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3211 in6_sin6_2_sin(&sin_store, sin6); 3212 addr = (struct sockaddr *)&sin_store; 3213 } else { 3214 addr = (struct sockaddr *)&thlds->spt_address; 3215 } 3216 } else { 3217 addr = (struct sockaddr *)&thlds->spt_address; 3218 } 3219#else 3220 addr = (struct sockaddr *)&thlds->spt_address; 3221#endif 3222 if (stcb != NULL) { 3223 net = sctp_findnet(stcb, addr); 3224 } else { 3225 /* 3226 * We increment here since 3227 * sctp_findassociation_ep_addr() wil do a 3228 * decrement if it finds the stcb as long as 3229 * the locked tcb (last argument) is NOT a 3230 * TCB.. aka NULL. 3231 */ 3232 net = NULL; 3233 SCTP_INP_INCR_REF(inp); 3234 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3235 if (stcb == NULL) { 3236 SCTP_INP_DECR_REF(inp); 3237 } 3238 } 3239 if ((stcb != NULL) && (net == NULL)) { 3240#ifdef INET 3241 if (addr->sa_family == AF_INET) { 3242 struct sockaddr_in *sin; 3243 3244 sin = (struct sockaddr_in *)addr; 3245 if (sin->sin_addr.s_addr != INADDR_ANY) { 3246 error = EINVAL; 3247 SCTP_TCB_UNLOCK(stcb); 3248 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3249 break; 3250 } 3251 } else 3252#endif 3253#ifdef INET6 3254 if (addr->sa_family == AF_INET6) { 3255 struct sockaddr_in6 *sin6; 3256 3257 sin6 = (struct sockaddr_in6 *)addr; 3258 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3259 error = EINVAL; 3260 SCTP_TCB_UNLOCK(stcb); 3261 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3262 break; 3263 } 3264 } else 3265#endif 3266 { 3267 error = EAFNOSUPPORT; 3268 SCTP_TCB_UNLOCK(stcb); 3269 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3270 break; 3271 } 3272 } 3273 if (stcb != NULL) { 3274 if (net != NULL) { 3275 thlds->spt_pathmaxrxt = net->failure_threshold; 3276 thlds->spt_pathpfthld = net->pf_threshold; 3277 thlds->spt_pathcpthld = 0xffff; 3278 } else { 3279 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3280 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3281 thlds->spt_pathcpthld = 0xffff; 3282 } 3283 thlds->spt_assoc_id = sctp_get_associd(stcb); 3284 SCTP_TCB_UNLOCK(stcb); 3285 } else { 3286 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3287 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3288 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3289 /* Use endpoint defaults */ 3290 SCTP_INP_RLOCK(inp); 3291 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3292 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3293 thlds->spt_pathcpthld = 0xffff; 3294 SCTP_INP_RUNLOCK(inp); 3295 } else { 3296 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3297 error = EINVAL; 3298 } 3299 } 3300 if (error == 0) { 3301 *optsize = sizeof(struct sctp_paddrthlds); 3302 } 3303 break; 3304 } 3305 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3306 { 3307 struct sctp_udpencaps *encaps; 3308 struct sctp_nets *net; 3309 struct sockaddr *addr; 3310#if defined(INET) && defined(INET6) 3311 struct sockaddr_in sin_store; 3312#endif 3313 3314 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3315 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3316 3317#if defined(INET) && defined(INET6) 3318 if (encaps->sue_address.ss_family == AF_INET6) { 3319 struct sockaddr_in6 *sin6; 3320 3321 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3322 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3323 in6_sin6_2_sin(&sin_store, sin6); 3324 addr = (struct sockaddr *)&sin_store; 3325 } else { 3326 addr = (struct sockaddr *)&encaps->sue_address; 3327 } 3328 } else { 3329 addr = (struct sockaddr *)&encaps->sue_address; 3330 } 3331#else 3332 addr = (struct sockaddr *)&encaps->sue_address; 3333#endif 3334 if (stcb) { 3335 net = sctp_findnet(stcb, addr); 3336 } else { 3337 /* 3338 * We increment here since 3339 * sctp_findassociation_ep_addr() wil do a 3340 * decrement if it finds the stcb as long as 3341 * the locked tcb (last argument) is NOT a 3342 * TCB.. aka NULL. 3343 */ 3344 net = NULL; 3345 SCTP_INP_INCR_REF(inp); 3346 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3347 if (stcb == NULL) { 3348 SCTP_INP_DECR_REF(inp); 3349 } 3350 } 3351 if ((stcb != NULL) && (net == NULL)) { 3352#ifdef INET 3353 if (addr->sa_family == AF_INET) { 3354 struct sockaddr_in *sin; 3355 3356 sin = (struct sockaddr_in *)addr; 3357 if (sin->sin_addr.s_addr != INADDR_ANY) { 3358 error = EINVAL; 3359 SCTP_TCB_UNLOCK(stcb); 3360 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3361 break; 3362 } 3363 } else 3364#endif 3365#ifdef INET6 3366 if (addr->sa_family == AF_INET6) { 3367 struct sockaddr_in6 *sin6; 3368 3369 sin6 = (struct sockaddr_in6 *)addr; 3370 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 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 { 3379 error = EAFNOSUPPORT; 3380 SCTP_TCB_UNLOCK(stcb); 3381 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3382 break; 3383 } 3384 } 3385 if (stcb != NULL) { 3386 if (net) { 3387 encaps->sue_port = net->port; 3388 } else { 3389 encaps->sue_port = stcb->asoc.port; 3390 } 3391 SCTP_TCB_UNLOCK(stcb); 3392 } else { 3393 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3394 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3395 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3396 SCTP_INP_RLOCK(inp); 3397 encaps->sue_port = inp->sctp_ep.port; 3398 SCTP_INP_RUNLOCK(inp); 3399 } else { 3400 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3401 error = EINVAL; 3402 } 3403 } 3404 if (error == 0) { 3405 *optsize = sizeof(struct sctp_udpencaps); 3406 } 3407 break; 3408 } 3409 case SCTP_ECN_SUPPORTED: 3410 { 3411 struct sctp_assoc_value *av; 3412 3413 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3414 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3415 3416 if (stcb) { 3417 av->assoc_value = stcb->asoc.ecn_supported; 3418 SCTP_TCB_UNLOCK(stcb); 3419 } else { 3420 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3421 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3422 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3423 SCTP_INP_RLOCK(inp); 3424 av->assoc_value = inp->ecn_supported; 3425 SCTP_INP_RUNLOCK(inp); 3426 } else { 3427 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3428 error = EINVAL; 3429 } 3430 } 3431 if (error == 0) { 3432 *optsize = sizeof(struct sctp_assoc_value); 3433 } 3434 break; 3435 } 3436 case SCTP_PR_SUPPORTED: 3437 { 3438 struct sctp_assoc_value *av; 3439 3440 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3441 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3442 3443 if (stcb) { 3444 av->assoc_value = stcb->asoc.prsctp_supported; 3445 SCTP_TCB_UNLOCK(stcb); 3446 } else { 3447 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3448 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3449 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3450 SCTP_INP_RLOCK(inp); 3451 av->assoc_value = inp->prsctp_supported; 3452 SCTP_INP_RUNLOCK(inp); 3453 } else { 3454 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3455 error = EINVAL; 3456 } 3457 } 3458 if (error == 0) { 3459 *optsize = sizeof(struct sctp_assoc_value); 3460 } 3461 break; 3462 } 3463 case SCTP_AUTH_SUPPORTED: 3464 { 3465 struct sctp_assoc_value *av; 3466 3467 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3468 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3469 3470 if (stcb) { 3471 av->assoc_value = stcb->asoc.auth_supported; 3472 SCTP_TCB_UNLOCK(stcb); 3473 } else { 3474 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3475 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3476 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3477 SCTP_INP_RLOCK(inp); 3478 av->assoc_value = inp->auth_supported; 3479 SCTP_INP_RUNLOCK(inp); 3480 } else { 3481 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3482 error = EINVAL; 3483 } 3484 } 3485 if (error == 0) { 3486 *optsize = sizeof(struct sctp_assoc_value); 3487 } 3488 break; 3489 } 3490 case SCTP_ASCONF_SUPPORTED: 3491 { 3492 struct sctp_assoc_value *av; 3493 3494 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3495 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3496 3497 if (stcb) { 3498 av->assoc_value = stcb->asoc.asconf_supported; 3499 SCTP_TCB_UNLOCK(stcb); 3500 } else { 3501 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3502 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3503 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3504 SCTP_INP_RLOCK(inp); 3505 av->assoc_value = inp->asconf_supported; 3506 SCTP_INP_RUNLOCK(inp); 3507 } else { 3508 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3509 error = EINVAL; 3510 } 3511 } 3512 if (error == 0) { 3513 *optsize = sizeof(struct sctp_assoc_value); 3514 } 3515 break; 3516 } 3517 case SCTP_RECONFIG_SUPPORTED: 3518 { 3519 struct sctp_assoc_value *av; 3520 3521 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3522 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3523 3524 if (stcb) { 3525 av->assoc_value = stcb->asoc.reconfig_supported; 3526 SCTP_TCB_UNLOCK(stcb); 3527 } else { 3528 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3529 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3530 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3531 SCTP_INP_RLOCK(inp); 3532 av->assoc_value = inp->reconfig_supported; 3533 SCTP_INP_RUNLOCK(inp); 3534 } else { 3535 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3536 error = EINVAL; 3537 } 3538 } 3539 if (error == 0) { 3540 *optsize = sizeof(struct sctp_assoc_value); 3541 } 3542 break; 3543 } 3544 case SCTP_NRSACK_SUPPORTED: 3545 { 3546 struct sctp_assoc_value *av; 3547 3548 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3549 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3550 3551 if (stcb) { 3552 av->assoc_value = stcb->asoc.nrsack_supported; 3553 SCTP_TCB_UNLOCK(stcb); 3554 } else { 3555 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3556 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3557 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3558 SCTP_INP_RLOCK(inp); 3559 av->assoc_value = inp->nrsack_supported; 3560 SCTP_INP_RUNLOCK(inp); 3561 } else { 3562 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3563 error = EINVAL; 3564 } 3565 } 3566 if (error == 0) { 3567 *optsize = sizeof(struct sctp_assoc_value); 3568 } 3569 break; 3570 } 3571 case SCTP_PKTDROP_SUPPORTED: 3572 { 3573 struct sctp_assoc_value *av; 3574 3575 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3576 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3577 3578 if (stcb) { 3579 av->assoc_value = stcb->asoc.pktdrop_supported; 3580 SCTP_TCB_UNLOCK(stcb); 3581 } else { 3582 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3583 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3584 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3585 SCTP_INP_RLOCK(inp); 3586 av->assoc_value = inp->pktdrop_supported; 3587 SCTP_INP_RUNLOCK(inp); 3588 } else { 3589 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3590 error = EINVAL; 3591 } 3592 } 3593 if (error == 0) { 3594 *optsize = sizeof(struct sctp_assoc_value); 3595 } 3596 break; 3597 } 3598 case SCTP_ENABLE_STREAM_RESET: 3599 { 3600 struct sctp_assoc_value *av; 3601 3602 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3603 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3604 3605 if (stcb) { 3606 av->assoc_value = (uint32_t)stcb->asoc.local_strreset_support; 3607 SCTP_TCB_UNLOCK(stcb); 3608 } else { 3609 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3610 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3611 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3612 SCTP_INP_RLOCK(inp); 3613 av->assoc_value = (uint32_t)inp->local_strreset_support; 3614 SCTP_INP_RUNLOCK(inp); 3615 } else { 3616 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3617 error = EINVAL; 3618 } 3619 } 3620 if (error == 0) { 3621 *optsize = sizeof(struct sctp_assoc_value); 3622 } 3623 break; 3624 } 3625 case SCTP_PR_STREAM_STATUS: 3626 { 3627 struct sctp_prstatus *sprstat; 3628 uint16_t sid; 3629 uint16_t policy; 3630 3631 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3632 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3633 3634 sid = sprstat->sprstat_sid; 3635 policy = sprstat->sprstat_policy; 3636#if defined(SCTP_DETAILED_STR_STATS) 3637 if ((stcb != NULL) && 3638 (sid < stcb->asoc.streamoutcnt) && 3639 (policy != SCTP_PR_SCTP_NONE) && 3640 ((policy <= SCTP_PR_SCTP_MAX) || 3641 (policy == SCTP_PR_SCTP_ALL))) { 3642 if (policy == SCTP_PR_SCTP_ALL) { 3643 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3644 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3645 } else { 3646 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3647 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3648 } 3649#else 3650 if ((stcb != NULL) && 3651 (sid < stcb->asoc.streamoutcnt) && 3652 (policy == SCTP_PR_SCTP_ALL)) { 3653 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3654 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3655#endif 3656 } else { 3657 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3658 error = EINVAL; 3659 } 3660 if (stcb != NULL) { 3661 SCTP_TCB_UNLOCK(stcb); 3662 } 3663 if (error == 0) { 3664 *optsize = sizeof(struct sctp_prstatus); 3665 } 3666 break; 3667 } 3668 case SCTP_PR_ASSOC_STATUS: 3669 { 3670 struct sctp_prstatus *sprstat; 3671 uint16_t policy; 3672 3673 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3674 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3675 3676 policy = sprstat->sprstat_policy; 3677 if ((stcb != NULL) && 3678 (policy != SCTP_PR_SCTP_NONE) && 3679 ((policy <= SCTP_PR_SCTP_MAX) || 3680 (policy == SCTP_PR_SCTP_ALL))) { 3681 if (policy == SCTP_PR_SCTP_ALL) { 3682 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3683 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3684 } else { 3685 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3686 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3687 } 3688 } else { 3689 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3690 error = EINVAL; 3691 } 3692 if (stcb != NULL) { 3693 SCTP_TCB_UNLOCK(stcb); 3694 } 3695 if (error == 0) { 3696 *optsize = sizeof(struct sctp_prstatus); 3697 } 3698 break; 3699 } 3700 case SCTP_MAX_CWND: 3701 { 3702 struct sctp_assoc_value *av; 3703 3704 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3705 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3706 3707 if (stcb) { 3708 av->assoc_value = stcb->asoc.max_cwnd; 3709 SCTP_TCB_UNLOCK(stcb); 3710 } else { 3711 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3712 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3713 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3714 SCTP_INP_RLOCK(inp); 3715 av->assoc_value = inp->max_cwnd; 3716 SCTP_INP_RUNLOCK(inp); 3717 } else { 3718 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3719 error = EINVAL; 3720 } 3721 } 3722 if (error == 0) { 3723 *optsize = sizeof(struct sctp_assoc_value); 3724 } 3725 break; 3726 } 3727 default: 3728 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3729 error = ENOPROTOOPT; 3730 break; 3731 } /* end switch (sopt->sopt_name) */ 3732 if (error) { 3733 *optsize = 0; 3734 } 3735 return (error); 3736} 3737 3738static int 3739sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3740 void *p) 3741{ 3742 int error, set_opt; 3743 uint32_t *mopt; 3744 struct sctp_tcb *stcb = NULL; 3745 struct sctp_inpcb *inp = NULL; 3746 uint32_t vrf_id; 3747 3748 if (optval == NULL) { 3749 SCTP_PRINTF("optval is NULL\n"); 3750 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3751 return (EINVAL); 3752 } 3753 inp = (struct sctp_inpcb *)so->so_pcb; 3754 if (inp == NULL) { 3755 SCTP_PRINTF("inp is NULL?\n"); 3756 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3757 return (EINVAL); 3758 } 3759 vrf_id = inp->def_vrf_id; 3760 3761 error = 0; 3762 switch (optname) { 3763 case SCTP_NODELAY: 3764 case SCTP_AUTOCLOSE: 3765 case SCTP_AUTO_ASCONF: 3766 case SCTP_EXPLICIT_EOR: 3767 case SCTP_DISABLE_FRAGMENTS: 3768 case SCTP_USE_EXT_RCVINFO: 3769 case SCTP_I_WANT_MAPPED_V4_ADDR: 3770 /* copy in the option value */ 3771 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3772 set_opt = 0; 3773 if (error) 3774 break; 3775 switch (optname) { 3776 case SCTP_DISABLE_FRAGMENTS: 3777 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3778 break; 3779 case SCTP_AUTO_ASCONF: 3780 /* 3781 * NOTE: we don't really support this flag 3782 */ 3783 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3784 /* only valid for bound all sockets */ 3785 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3786 (*mopt != 0)) { 3787 /* forbidden by admin */ 3788 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3789 return (EPERM); 3790 } 3791 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3792 } else { 3793 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3794 return (EINVAL); 3795 } 3796 break; 3797 case SCTP_EXPLICIT_EOR: 3798 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3799 break; 3800 case SCTP_USE_EXT_RCVINFO: 3801 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3802 break; 3803 case SCTP_I_WANT_MAPPED_V4_ADDR: 3804 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3805 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3806 } else { 3807 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3808 return (EINVAL); 3809 } 3810 break; 3811 case SCTP_NODELAY: 3812 set_opt = SCTP_PCB_FLAGS_NODELAY; 3813 break; 3814 case SCTP_AUTOCLOSE: 3815 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3816 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3817 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3818 return (EINVAL); 3819 } 3820 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3821 /* 3822 * The value is in ticks. Note this does not effect 3823 * old associations, only new ones. 3824 */ 3825 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3826 break; 3827 } 3828 SCTP_INP_WLOCK(inp); 3829 if (*mopt != 0) { 3830 sctp_feature_on(inp, set_opt); 3831 } else { 3832 sctp_feature_off(inp, set_opt); 3833 } 3834 SCTP_INP_WUNLOCK(inp); 3835 break; 3836 case SCTP_REUSE_PORT: 3837 { 3838 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3839 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3840 /* Can't set it after we are bound */ 3841 error = EINVAL; 3842 break; 3843 } 3844 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3845 /* Can't do this for a 1-m socket */ 3846 error = EINVAL; 3847 break; 3848 } 3849 if (optval) 3850 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3851 else 3852 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3853 break; 3854 } 3855 case SCTP_PARTIAL_DELIVERY_POINT: 3856 { 3857 uint32_t *value; 3858 3859 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3860 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3861 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3862 error = EINVAL; 3863 break; 3864 } 3865 inp->partial_delivery_point = *value; 3866 break; 3867 } 3868 case SCTP_FRAGMENT_INTERLEAVE: 3869 /* not yet until we re-write sctp_recvmsg() */ 3870 { 3871 uint32_t *level; 3872 3873 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3874 if (*level == SCTP_FRAG_LEVEL_2) { 3875 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3876 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3877 } else if (*level == SCTP_FRAG_LEVEL_1) { 3878 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3879 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3880 } else if (*level == SCTP_FRAG_LEVEL_0) { 3881 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3882 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3883 3884 } else { 3885 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3886 error = EINVAL; 3887 } 3888 break; 3889 } 3890 case SCTP_INTERLEAVING_SUPPORTED: 3891 { 3892 struct sctp_assoc_value *av; 3893 3894 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3895 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3896 3897 if (stcb) { 3898 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3899 error = EINVAL; 3900 SCTP_TCB_UNLOCK(stcb); 3901 } else { 3902 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3903 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3904 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3905 SCTP_INP_WLOCK(inp); 3906 if (av->assoc_value == 0) { 3907 inp->idata_supported = 0; 3908 } else { 3909 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) && 3910 (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS))) { 3911 inp->idata_supported = 1; 3912 } else { 3913 /* 3914 * Must have Frag 3915 * interleave and 3916 * stream interleave 3917 * on 3918 */ 3919 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3920 error = EINVAL; 3921 } 3922 } 3923 SCTP_INP_WUNLOCK(inp); 3924 } else { 3925 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3926 error = EINVAL; 3927 } 3928 } 3929 break; 3930 } 3931 case SCTP_CMT_ON_OFF: 3932 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3933 struct sctp_assoc_value *av; 3934 3935 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3936 if (av->assoc_value > SCTP_CMT_MAX) { 3937 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3938 error = EINVAL; 3939 break; 3940 } 3941 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3942 if (stcb) { 3943 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3944 SCTP_TCB_UNLOCK(stcb); 3945 } else { 3946 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3947 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3948 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3949 (av->assoc_id == SCTP_ALL_ASSOC)) { 3950 SCTP_INP_WLOCK(inp); 3951 inp->sctp_cmt_on_off = av->assoc_value; 3952 SCTP_INP_WUNLOCK(inp); 3953 } 3954 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3955 (av->assoc_id == SCTP_ALL_ASSOC)) { 3956 SCTP_INP_RLOCK(inp); 3957 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3958 SCTP_TCB_LOCK(stcb); 3959 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3960 SCTP_TCB_UNLOCK(stcb); 3961 } 3962 SCTP_INP_RUNLOCK(inp); 3963 } 3964 } 3965 } else { 3966 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3967 error = ENOPROTOOPT; 3968 } 3969 break; 3970 case SCTP_PLUGGABLE_CC: 3971 { 3972 struct sctp_assoc_value *av; 3973 struct sctp_nets *net; 3974 3975 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3976 if ((av->assoc_value != SCTP_CC_RFC2581) && 3977 (av->assoc_value != SCTP_CC_HSTCP) && 3978 (av->assoc_value != SCTP_CC_HTCP) && 3979 (av->assoc_value != SCTP_CC_RTCC)) { 3980 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3981 error = EINVAL; 3982 break; 3983 } 3984 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3985 if (stcb) { 3986 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3987 stcb->asoc.congestion_control_module = av->assoc_value; 3988 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3989 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3990 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3991 } 3992 } 3993 SCTP_TCB_UNLOCK(stcb); 3994 } else { 3995 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3996 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3997 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3998 (av->assoc_id == SCTP_ALL_ASSOC)) { 3999 SCTP_INP_WLOCK(inp); 4000 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 4001 SCTP_INP_WUNLOCK(inp); 4002 } 4003 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4004 (av->assoc_id == SCTP_ALL_ASSOC)) { 4005 SCTP_INP_RLOCK(inp); 4006 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4007 SCTP_TCB_LOCK(stcb); 4008 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 4009 stcb->asoc.congestion_control_module = av->assoc_value; 4010 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 4011 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4012 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 4013 } 4014 } 4015 SCTP_TCB_UNLOCK(stcb); 4016 } 4017 SCTP_INP_RUNLOCK(inp); 4018 } 4019 } 4020 break; 4021 } 4022 case SCTP_CC_OPTION: 4023 { 4024 struct sctp_cc_option *cc_opt; 4025 4026 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 4027 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 4028 if (stcb == NULL) { 4029 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 4030 SCTP_INP_RLOCK(inp); 4031 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4032 SCTP_TCB_LOCK(stcb); 4033 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 4034 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 4035 } 4036 SCTP_TCB_UNLOCK(stcb); 4037 } 4038 SCTP_INP_RUNLOCK(inp); 4039 } else { 4040 error = EINVAL; 4041 } 4042 } else { 4043 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4044 error = ENOTSUP; 4045 } else { 4046 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4047 cc_opt); 4048 } 4049 SCTP_TCB_UNLOCK(stcb); 4050 } 4051 break; 4052 } 4053 case SCTP_PLUGGABLE_SS: 4054 { 4055 struct sctp_assoc_value *av; 4056 4057 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4058 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4059 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 4060 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 4061 (av->assoc_value != SCTP_SS_PRIORITY) && 4062 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 4063 (av->assoc_value != SCTP_SS_FIRST_COME)) { 4064 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4065 error = EINVAL; 4066 break; 4067 } 4068 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4069 if (stcb) { 4070 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4071 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4072 stcb->asoc.stream_scheduling_module = av->assoc_value; 4073 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4074 SCTP_TCB_UNLOCK(stcb); 4075 } else { 4076 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4077 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4078 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4079 (av->assoc_id == SCTP_ALL_ASSOC)) { 4080 SCTP_INP_WLOCK(inp); 4081 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4082 SCTP_INP_WUNLOCK(inp); 4083 } 4084 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4085 (av->assoc_id == SCTP_ALL_ASSOC)) { 4086 SCTP_INP_RLOCK(inp); 4087 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4088 SCTP_TCB_LOCK(stcb); 4089 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4090 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4091 stcb->asoc.stream_scheduling_module = av->assoc_value; 4092 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4093 SCTP_TCB_UNLOCK(stcb); 4094 } 4095 SCTP_INP_RUNLOCK(inp); 4096 } 4097 } 4098 break; 4099 } 4100 case SCTP_SS_VALUE: 4101 { 4102 struct sctp_stream_value *av; 4103 4104 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4105 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4106 if (stcb) { 4107 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4108 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4109 av->stream_value) < 0)) { 4110 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4111 error = EINVAL; 4112 } 4113 SCTP_TCB_UNLOCK(stcb); 4114 } else { 4115 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 4116 SCTP_INP_RLOCK(inp); 4117 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4118 SCTP_TCB_LOCK(stcb); 4119 if (av->stream_id < stcb->asoc.streamoutcnt) { 4120 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4121 &stcb->asoc, 4122 &stcb->asoc.strmout[av->stream_id], 4123 av->stream_value); 4124 } 4125 SCTP_TCB_UNLOCK(stcb); 4126 } 4127 SCTP_INP_RUNLOCK(inp); 4128 } else { 4129 /* 4130 * Can't set stream value without 4131 * association 4132 */ 4133 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4134 error = EINVAL; 4135 } 4136 } 4137 break; 4138 } 4139 case SCTP_CLR_STAT_LOG: 4140 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4141 error = EOPNOTSUPP; 4142 break; 4143 case SCTP_CONTEXT: 4144 { 4145 struct sctp_assoc_value *av; 4146 4147 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4148 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4149 4150 if (stcb) { 4151 stcb->asoc.context = av->assoc_value; 4152 SCTP_TCB_UNLOCK(stcb); 4153 } else { 4154 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4155 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4156 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4157 (av->assoc_id == SCTP_ALL_ASSOC)) { 4158 SCTP_INP_WLOCK(inp); 4159 inp->sctp_context = av->assoc_value; 4160 SCTP_INP_WUNLOCK(inp); 4161 } 4162 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4163 (av->assoc_id == SCTP_ALL_ASSOC)) { 4164 SCTP_INP_RLOCK(inp); 4165 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4166 SCTP_TCB_LOCK(stcb); 4167 stcb->asoc.context = av->assoc_value; 4168 SCTP_TCB_UNLOCK(stcb); 4169 } 4170 SCTP_INP_RUNLOCK(inp); 4171 } 4172 } 4173 break; 4174 } 4175 case SCTP_VRF_ID: 4176 { 4177 uint32_t *default_vrfid; 4178 4179 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4180 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4181 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4182 error = EINVAL; 4183 break; 4184 } 4185 inp->def_vrf_id = *default_vrfid; 4186 break; 4187 } 4188 case SCTP_DEL_VRF_ID: 4189 { 4190 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4191 error = EOPNOTSUPP; 4192 break; 4193 } 4194 case SCTP_ADD_VRF_ID: 4195 { 4196 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4197 error = EOPNOTSUPP; 4198 break; 4199 } 4200 case SCTP_DELAYED_SACK: 4201 { 4202 struct sctp_sack_info *sack; 4203 4204 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4205 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4206 if (sack->sack_delay) { 4207 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 4208 sack->sack_delay = SCTP_MAX_SACK_DELAY; 4209 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 4210 sack->sack_delay = TICKS_TO_MSEC(1); 4211 } 4212 } 4213 if (stcb) { 4214 if (sack->sack_delay) { 4215 stcb->asoc.delayed_ack = sack->sack_delay; 4216 } 4217 if (sack->sack_freq) { 4218 stcb->asoc.sack_freq = sack->sack_freq; 4219 } 4220 SCTP_TCB_UNLOCK(stcb); 4221 } else { 4222 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4223 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4224 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4225 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4226 SCTP_INP_WLOCK(inp); 4227 if (sack->sack_delay) { 4228 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 4229 } 4230 if (sack->sack_freq) { 4231 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4232 } 4233 SCTP_INP_WUNLOCK(inp); 4234 } 4235 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4236 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4237 SCTP_INP_RLOCK(inp); 4238 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4239 SCTP_TCB_LOCK(stcb); 4240 if (sack->sack_delay) { 4241 stcb->asoc.delayed_ack = sack->sack_delay; 4242 } 4243 if (sack->sack_freq) { 4244 stcb->asoc.sack_freq = sack->sack_freq; 4245 } 4246 SCTP_TCB_UNLOCK(stcb); 4247 } 4248 SCTP_INP_RUNLOCK(inp); 4249 } 4250 } 4251 break; 4252 } 4253 case SCTP_AUTH_CHUNK: 4254 { 4255 struct sctp_authchunk *sauth; 4256 4257 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4258 4259 SCTP_INP_WLOCK(inp); 4260 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4261 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4262 error = EINVAL; 4263 } 4264 SCTP_INP_WUNLOCK(inp); 4265 break; 4266 } 4267 case SCTP_AUTH_KEY: 4268 { 4269 struct sctp_authkey *sca; 4270 struct sctp_keyhead *shared_keys; 4271 sctp_sharedkey_t *shared_key; 4272 sctp_key_t *key = NULL; 4273 size_t size; 4274 4275 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4276 if (sca->sca_keylength == 0) { 4277 size = optsize - sizeof(struct sctp_authkey); 4278 } else { 4279 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4280 size = sca->sca_keylength; 4281 } else { 4282 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4283 error = EINVAL; 4284 break; 4285 } 4286 } 4287 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4288 4289 if (stcb) { 4290 shared_keys = &stcb->asoc.shared_keys; 4291 /* clear the cached keys for this key id */ 4292 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4293 /* 4294 * create the new shared key and 4295 * insert/replace it 4296 */ 4297 if (size > 0) { 4298 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4299 if (key == NULL) { 4300 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4301 error = ENOMEM; 4302 SCTP_TCB_UNLOCK(stcb); 4303 break; 4304 } 4305 } 4306 shared_key = sctp_alloc_sharedkey(); 4307 if (shared_key == NULL) { 4308 sctp_free_key(key); 4309 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4310 error = ENOMEM; 4311 SCTP_TCB_UNLOCK(stcb); 4312 break; 4313 } 4314 shared_key->key = key; 4315 shared_key->keyid = sca->sca_keynumber; 4316 error = sctp_insert_sharedkey(shared_keys, shared_key); 4317 SCTP_TCB_UNLOCK(stcb); 4318 } else { 4319 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4320 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4321 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4322 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4323 SCTP_INP_WLOCK(inp); 4324 shared_keys = &inp->sctp_ep.shared_keys; 4325 /* 4326 * clear the cached keys on all 4327 * assocs for this key id 4328 */ 4329 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4330 /* 4331 * create the new shared key and 4332 * insert/replace it 4333 */ 4334 if (size > 0) { 4335 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4336 if (key == NULL) { 4337 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4338 error = ENOMEM; 4339 SCTP_INP_WUNLOCK(inp); 4340 break; 4341 } 4342 } 4343 shared_key = sctp_alloc_sharedkey(); 4344 if (shared_key == NULL) { 4345 sctp_free_key(key); 4346 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4347 error = ENOMEM; 4348 SCTP_INP_WUNLOCK(inp); 4349 break; 4350 } 4351 shared_key->key = key; 4352 shared_key->keyid = sca->sca_keynumber; 4353 error = sctp_insert_sharedkey(shared_keys, shared_key); 4354 SCTP_INP_WUNLOCK(inp); 4355 } 4356 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4357 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4358 SCTP_INP_RLOCK(inp); 4359 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4360 SCTP_TCB_LOCK(stcb); 4361 shared_keys = &stcb->asoc.shared_keys; 4362 /* 4363 * clear the cached keys for 4364 * this key id 4365 */ 4366 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4367 /* 4368 * create the new shared key 4369 * and insert/replace it 4370 */ 4371 if (size > 0) { 4372 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4373 if (key == NULL) { 4374 SCTP_TCB_UNLOCK(stcb); 4375 continue; 4376 } 4377 } 4378 shared_key = sctp_alloc_sharedkey(); 4379 if (shared_key == NULL) { 4380 sctp_free_key(key); 4381 SCTP_TCB_UNLOCK(stcb); 4382 continue; 4383 } 4384 shared_key->key = key; 4385 shared_key->keyid = sca->sca_keynumber; 4386 error = sctp_insert_sharedkey(shared_keys, shared_key); 4387 SCTP_TCB_UNLOCK(stcb); 4388 } 4389 SCTP_INP_RUNLOCK(inp); 4390 } 4391 } 4392 break; 4393 } 4394 case SCTP_HMAC_IDENT: 4395 { 4396 struct sctp_hmacalgo *shmac; 4397 sctp_hmaclist_t *hmaclist; 4398 uint16_t hmacid; 4399 uint32_t i; 4400 4401 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4402 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4403 (shmac->shmac_number_of_idents > 0xffff)) { 4404 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4405 error = EINVAL; 4406 break; 4407 } 4408 hmaclist = sctp_alloc_hmaclist((uint16_t)shmac->shmac_number_of_idents); 4409 if (hmaclist == NULL) { 4410 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4411 error = ENOMEM; 4412 break; 4413 } 4414 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4415 hmacid = shmac->shmac_idents[i]; 4416 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4417 /* invalid HMACs were found */ ; 4418 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4419 error = EINVAL; 4420 sctp_free_hmaclist(hmaclist); 4421 goto sctp_set_hmac_done; 4422 } 4423 } 4424 for (i = 0; i < hmaclist->num_algo; i++) { 4425 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4426 /* already in list */ 4427 break; 4428 } 4429 } 4430 if (i == hmaclist->num_algo) { 4431 /* not found in list */ 4432 sctp_free_hmaclist(hmaclist); 4433 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4434 error = EINVAL; 4435 break; 4436 } 4437 /* set it on the endpoint */ 4438 SCTP_INP_WLOCK(inp); 4439 if (inp->sctp_ep.local_hmacs) 4440 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4441 inp->sctp_ep.local_hmacs = hmaclist; 4442 SCTP_INP_WUNLOCK(inp); 4443 sctp_set_hmac_done: 4444 break; 4445 } 4446 case SCTP_AUTH_ACTIVE_KEY: 4447 { 4448 struct sctp_authkeyid *scact; 4449 4450 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4451 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4452 4453 /* set the active key on the right place */ 4454 if (stcb) { 4455 /* set the active key on the assoc */ 4456 if (sctp_auth_setactivekey(stcb, 4457 scact->scact_keynumber)) { 4458 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4459 SCTP_FROM_SCTP_USRREQ, 4460 EINVAL); 4461 error = EINVAL; 4462 } 4463 SCTP_TCB_UNLOCK(stcb); 4464 } else { 4465 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4466 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4467 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4468 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4469 SCTP_INP_WLOCK(inp); 4470 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4471 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4472 error = EINVAL; 4473 } 4474 SCTP_INP_WUNLOCK(inp); 4475 } 4476 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4477 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4478 SCTP_INP_RLOCK(inp); 4479 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4480 SCTP_TCB_LOCK(stcb); 4481 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4482 SCTP_TCB_UNLOCK(stcb); 4483 } 4484 SCTP_INP_RUNLOCK(inp); 4485 } 4486 } 4487 break; 4488 } 4489 case SCTP_AUTH_DELETE_KEY: 4490 { 4491 struct sctp_authkeyid *scdel; 4492 4493 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4494 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4495 4496 /* delete the key from the right place */ 4497 if (stcb) { 4498 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4499 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4500 error = EINVAL; 4501 } 4502 SCTP_TCB_UNLOCK(stcb); 4503 } else { 4504 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4505 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4506 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4507 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4508 SCTP_INP_WLOCK(inp); 4509 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4510 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4511 error = EINVAL; 4512 } 4513 SCTP_INP_WUNLOCK(inp); 4514 } 4515 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4516 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4517 SCTP_INP_RLOCK(inp); 4518 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4519 SCTP_TCB_LOCK(stcb); 4520 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4521 SCTP_TCB_UNLOCK(stcb); 4522 } 4523 SCTP_INP_RUNLOCK(inp); 4524 } 4525 } 4526 break; 4527 } 4528 case SCTP_AUTH_DEACTIVATE_KEY: 4529 { 4530 struct sctp_authkeyid *keyid; 4531 4532 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4533 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4534 4535 /* deactivate the key from the right place */ 4536 if (stcb) { 4537 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4538 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4539 error = EINVAL; 4540 } 4541 SCTP_TCB_UNLOCK(stcb); 4542 } else { 4543 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4544 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4545 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4546 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4547 SCTP_INP_WLOCK(inp); 4548 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4549 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4550 error = EINVAL; 4551 } 4552 SCTP_INP_WUNLOCK(inp); 4553 } 4554 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4555 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4556 SCTP_INP_RLOCK(inp); 4557 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4558 SCTP_TCB_LOCK(stcb); 4559 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4560 SCTP_TCB_UNLOCK(stcb); 4561 } 4562 SCTP_INP_RUNLOCK(inp); 4563 } 4564 } 4565 break; 4566 } 4567 case SCTP_ENABLE_STREAM_RESET: 4568 { 4569 struct sctp_assoc_value *av; 4570 4571 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4572 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4573 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4574 error = EINVAL; 4575 break; 4576 } 4577 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4578 if (stcb) { 4579 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4580 SCTP_TCB_UNLOCK(stcb); 4581 } else { 4582 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4583 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4584 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4585 (av->assoc_id == SCTP_ALL_ASSOC)) { 4586 SCTP_INP_WLOCK(inp); 4587 inp->local_strreset_support = (uint8_t)av->assoc_value; 4588 SCTP_INP_WUNLOCK(inp); 4589 } 4590 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4591 (av->assoc_id == SCTP_ALL_ASSOC)) { 4592 SCTP_INP_RLOCK(inp); 4593 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4594 SCTP_TCB_LOCK(stcb); 4595 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4596 SCTP_TCB_UNLOCK(stcb); 4597 } 4598 SCTP_INP_RUNLOCK(inp); 4599 } 4600 } 4601 break; 4602 } 4603 case SCTP_RESET_STREAMS: 4604 { 4605 struct sctp_reset_streams *strrst; 4606 int i, send_out = 0; 4607 int send_in = 0; 4608 4609 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4610 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4611 if (stcb == NULL) { 4612 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4613 error = ENOENT; 4614 break; 4615 } 4616 if (stcb->asoc.reconfig_supported == 0) { 4617 /* 4618 * Peer does not support the chunk type. 4619 */ 4620 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4621 error = EOPNOTSUPP; 4622 SCTP_TCB_UNLOCK(stcb); 4623 break; 4624 } 4625 if (sizeof(struct sctp_reset_streams) + 4626 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4627 error = EINVAL; 4628 SCTP_TCB_UNLOCK(stcb); 4629 break; 4630 } 4631 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4632 send_in = 1; 4633 if (stcb->asoc.stream_reset_outstanding) { 4634 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4635 error = EALREADY; 4636 SCTP_TCB_UNLOCK(stcb); 4637 break; 4638 } 4639 } 4640 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4641 send_out = 1; 4642 } 4643 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) { 4644 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4645 error = ENOMEM; 4646 SCTP_TCB_UNLOCK(stcb); 4647 break; 4648 } 4649 if ((send_in == 0) && (send_out == 0)) { 4650 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4651 error = EINVAL; 4652 SCTP_TCB_UNLOCK(stcb); 4653 break; 4654 } 4655 for (i = 0; i < strrst->srs_number_streams; i++) { 4656 if ((send_in) && 4657 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) { 4658 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4659 error = EINVAL; 4660 break; 4661 } 4662 if ((send_out) && 4663 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) { 4664 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4665 error = EINVAL; 4666 break; 4667 } 4668 } 4669 if (error) { 4670 SCTP_TCB_UNLOCK(stcb); 4671 break; 4672 } 4673 if (send_out) { 4674 int cnt; 4675 uint16_t strm; 4676 4677 if (strrst->srs_number_streams) { 4678 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) { 4679 strm = strrst->srs_stream_list[i]; 4680 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) { 4681 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING; 4682 cnt++; 4683 } 4684 } 4685 } else { 4686 /* Its all */ 4687 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) { 4688 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) { 4689 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING; 4690 cnt++; 4691 } 4692 } 4693 } 4694 } 4695 if (send_in) { 4696 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4697 strrst->srs_stream_list, 4698 send_in, 0, 0, 0, 0, 0); 4699 } else { 4700 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED); 4701 } 4702 if (error == 0) { 4703 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4704 } else { 4705 /* 4706 * For outgoing streams don't report any 4707 * problems in sending the request to the 4708 * application. XXX: Double check resetting 4709 * incoming streams. 4710 */ 4711 error = 0; 4712 } 4713 SCTP_TCB_UNLOCK(stcb); 4714 break; 4715 } 4716 case SCTP_ADD_STREAMS: 4717 { 4718 struct sctp_add_streams *stradd; 4719 uint8_t addstream = 0; 4720 uint16_t add_o_strmcnt = 0; 4721 uint16_t add_i_strmcnt = 0; 4722 4723 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4724 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4725 if (stcb == NULL) { 4726 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4727 error = ENOENT; 4728 break; 4729 } 4730 if (stcb->asoc.reconfig_supported == 0) { 4731 /* 4732 * Peer does not support the chunk type. 4733 */ 4734 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4735 error = EOPNOTSUPP; 4736 SCTP_TCB_UNLOCK(stcb); 4737 break; 4738 } 4739 if (stcb->asoc.stream_reset_outstanding) { 4740 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4741 error = EALREADY; 4742 SCTP_TCB_UNLOCK(stcb); 4743 break; 4744 } 4745 if ((stradd->sas_outstrms == 0) && 4746 (stradd->sas_instrms == 0)) { 4747 error = EINVAL; 4748 goto skip_stuff; 4749 } 4750 if (stradd->sas_outstrms) { 4751 addstream = 1; 4752 /* We allocate here */ 4753 add_o_strmcnt = stradd->sas_outstrms; 4754 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4755 /* You can't have more than 64k */ 4756 error = EINVAL; 4757 goto skip_stuff; 4758 } 4759 } 4760 if (stradd->sas_instrms) { 4761 int cnt; 4762 4763 addstream |= 2; 4764 /* 4765 * We allocate inside 4766 * sctp_send_str_reset_req() 4767 */ 4768 add_i_strmcnt = stradd->sas_instrms; 4769 cnt = add_i_strmcnt; 4770 cnt += stcb->asoc.streamincnt; 4771 if (cnt > 0x0000ffff) { 4772 /* You can't have more than 64k */ 4773 error = EINVAL; 4774 goto skip_stuff; 4775 } 4776 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4777 /* More than you are allowed */ 4778 error = EINVAL; 4779 goto skip_stuff; 4780 } 4781 } 4782 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4783 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4784 skip_stuff: 4785 SCTP_TCB_UNLOCK(stcb); 4786 break; 4787 } 4788 case SCTP_RESET_ASSOC: 4789 { 4790 int i; 4791 uint32_t *value; 4792 4793 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4794 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 4795 if (stcb == NULL) { 4796 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4797 error = ENOENT; 4798 break; 4799 } 4800 if (stcb->asoc.reconfig_supported == 0) { 4801 /* 4802 * Peer does not support the chunk type. 4803 */ 4804 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4805 error = EOPNOTSUPP; 4806 SCTP_TCB_UNLOCK(stcb); 4807 break; 4808 } 4809 if (stcb->asoc.stream_reset_outstanding) { 4810 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4811 error = EALREADY; 4812 SCTP_TCB_UNLOCK(stcb); 4813 break; 4814 } 4815 /* 4816 * Is there any data pending in the send or sent 4817 * queues? 4818 */ 4819 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) || 4820 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) { 4821 busy_out: 4822 error = EBUSY; 4823 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4824 SCTP_TCB_UNLOCK(stcb); 4825 break; 4826 } 4827 /* Do any streams have data queued? */ 4828 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4829 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) { 4830 goto busy_out; 4831 } 4832 } 4833 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0); 4834 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4835 SCTP_TCB_UNLOCK(stcb); 4836 break; 4837 } 4838 case SCTP_CONNECT_X: 4839 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4840 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4841 error = EINVAL; 4842 break; 4843 } 4844 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4845 break; 4846 case SCTP_CONNECT_X_DELAYED: 4847 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4848 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4849 error = EINVAL; 4850 break; 4851 } 4852 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4853 break; 4854 case SCTP_CONNECT_X_COMPLETE: 4855 { 4856 struct sockaddr *sa; 4857 4858 /* FIXME MT: check correct? */ 4859 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4860 4861 /* find tcb */ 4862 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4863 SCTP_INP_RLOCK(inp); 4864 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4865 if (stcb) { 4866 SCTP_TCB_LOCK(stcb); 4867 } 4868 SCTP_INP_RUNLOCK(inp); 4869 } else { 4870 /* 4871 * We increment here since 4872 * sctp_findassociation_ep_addr() wil do a 4873 * decrement if it finds the stcb as long as 4874 * the locked tcb (last argument) is NOT a 4875 * TCB.. aka NULL. 4876 */ 4877 SCTP_INP_INCR_REF(inp); 4878 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4879 if (stcb == NULL) { 4880 SCTP_INP_DECR_REF(inp); 4881 } 4882 } 4883 4884 if (stcb == NULL) { 4885 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4886 error = ENOENT; 4887 break; 4888 } 4889 if (stcb->asoc.delayed_connection == 1) { 4890 stcb->asoc.delayed_connection = 0; 4891 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4892 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4893 stcb->asoc.primary_destination, 4894 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4895 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4896 } else { 4897 /* 4898 * already expired or did not use delayed 4899 * connectx 4900 */ 4901 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4902 error = EALREADY; 4903 } 4904 SCTP_TCB_UNLOCK(stcb); 4905 break; 4906 } 4907 case SCTP_MAX_BURST: 4908 { 4909 struct sctp_assoc_value *av; 4910 4911 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4912 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4913 4914 if (stcb) { 4915 stcb->asoc.max_burst = av->assoc_value; 4916 SCTP_TCB_UNLOCK(stcb); 4917 } else { 4918 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4919 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4920 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4921 (av->assoc_id == SCTP_ALL_ASSOC)) { 4922 SCTP_INP_WLOCK(inp); 4923 inp->sctp_ep.max_burst = av->assoc_value; 4924 SCTP_INP_WUNLOCK(inp); 4925 } 4926 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4927 (av->assoc_id == SCTP_ALL_ASSOC)) { 4928 SCTP_INP_RLOCK(inp); 4929 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4930 SCTP_TCB_LOCK(stcb); 4931 stcb->asoc.max_burst = av->assoc_value; 4932 SCTP_TCB_UNLOCK(stcb); 4933 } 4934 SCTP_INP_RUNLOCK(inp); 4935 } 4936 } 4937 break; 4938 } 4939 case SCTP_MAXSEG: 4940 { 4941 struct sctp_assoc_value *av; 4942 int ovh; 4943 4944 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4945 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4946 4947 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4948 ovh = SCTP_MED_OVERHEAD; 4949 } else { 4950 ovh = SCTP_MED_V4_OVERHEAD; 4951 } 4952 if (stcb) { 4953 if (av->assoc_value) { 4954 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4955 } else { 4956 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4957 } 4958 SCTP_TCB_UNLOCK(stcb); 4959 } else { 4960 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4961 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4962 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4963 SCTP_INP_WLOCK(inp); 4964 /* 4965 * FIXME MT: I think this is not in 4966 * tune with the API ID 4967 */ 4968 if (av->assoc_value) { 4969 inp->sctp_frag_point = (av->assoc_value + ovh); 4970 } else { 4971 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4972 } 4973 SCTP_INP_WUNLOCK(inp); 4974 } else { 4975 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4976 error = EINVAL; 4977 } 4978 } 4979 break; 4980 } 4981 case SCTP_EVENTS: 4982 { 4983 struct sctp_event_subscribe *events; 4984 4985 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 4986 4987 SCTP_INP_WLOCK(inp); 4988 if (events->sctp_data_io_event) { 4989 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4990 } else { 4991 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4992 } 4993 4994 if (events->sctp_association_event) { 4995 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4996 } else { 4997 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4998 } 4999 5000 if (events->sctp_address_event) { 5001 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5002 } else { 5003 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 5004 } 5005 5006 if (events->sctp_send_failure_event) { 5007 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5008 } else { 5009 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5010 } 5011 5012 if (events->sctp_peer_error_event) { 5013 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5014 } else { 5015 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5016 } 5017 5018 if (events->sctp_shutdown_event) { 5019 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5020 } else { 5021 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5022 } 5023 5024 if (events->sctp_partial_delivery_event) { 5025 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5026 } else { 5027 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5028 } 5029 5030 if (events->sctp_adaptation_layer_event) { 5031 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5032 } else { 5033 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5034 } 5035 5036 if (events->sctp_authentication_event) { 5037 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5038 } else { 5039 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5040 } 5041 5042 if (events->sctp_sender_dry_event) { 5043 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 5044 } else { 5045 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 5046 } 5047 5048 if (events->sctp_stream_reset_event) { 5049 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5050 } else { 5051 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5052 } 5053 SCTP_INP_WUNLOCK(inp); 5054 5055 SCTP_INP_RLOCK(inp); 5056 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5057 SCTP_TCB_LOCK(stcb); 5058 if (events->sctp_association_event) { 5059 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5060 } else { 5061 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5062 } 5063 if (events->sctp_address_event) { 5064 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5065 } else { 5066 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5067 } 5068 if (events->sctp_send_failure_event) { 5069 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5070 } else { 5071 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5072 } 5073 if (events->sctp_peer_error_event) { 5074 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5075 } else { 5076 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5077 } 5078 if (events->sctp_shutdown_event) { 5079 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5080 } else { 5081 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5082 } 5083 if (events->sctp_partial_delivery_event) { 5084 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5085 } else { 5086 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5087 } 5088 if (events->sctp_adaptation_layer_event) { 5089 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5090 } else { 5091 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5092 } 5093 if (events->sctp_authentication_event) { 5094 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5095 } else { 5096 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5097 } 5098 if (events->sctp_sender_dry_event) { 5099 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5100 } else { 5101 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5102 } 5103 if (events->sctp_stream_reset_event) { 5104 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5105 } else { 5106 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5107 } 5108 SCTP_TCB_UNLOCK(stcb); 5109 } 5110 /* 5111 * Send up the sender dry event only for 1-to-1 5112 * style sockets. 5113 */ 5114 if (events->sctp_sender_dry_event) { 5115 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5116 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 5117 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5118 if (stcb) { 5119 SCTP_TCB_LOCK(stcb); 5120 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5121 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5122 (stcb->asoc.stream_queue_cnt == 0)) { 5123 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5124 } 5125 SCTP_TCB_UNLOCK(stcb); 5126 } 5127 } 5128 } 5129 SCTP_INP_RUNLOCK(inp); 5130 break; 5131 } 5132 case SCTP_ADAPTATION_LAYER: 5133 { 5134 struct sctp_setadaptation *adap_bits; 5135 5136 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5137 SCTP_INP_WLOCK(inp); 5138 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5139 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5140 SCTP_INP_WUNLOCK(inp); 5141 break; 5142 } 5143#ifdef SCTP_DEBUG 5144 case SCTP_SET_INITIAL_DBG_SEQ: 5145 { 5146 uint32_t *vvv; 5147 5148 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5149 SCTP_INP_WLOCK(inp); 5150 inp->sctp_ep.initial_sequence_debug = *vvv; 5151 SCTP_INP_WUNLOCK(inp); 5152 break; 5153 } 5154#endif 5155 case SCTP_DEFAULT_SEND_PARAM: 5156 { 5157 struct sctp_sndrcvinfo *s_info; 5158 5159 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5160 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5161 5162 if (stcb) { 5163 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5164 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5165 } else { 5166 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5167 error = EINVAL; 5168 } 5169 SCTP_TCB_UNLOCK(stcb); 5170 } else { 5171 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5172 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5173 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5174 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5175 SCTP_INP_WLOCK(inp); 5176 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5177 SCTP_INP_WUNLOCK(inp); 5178 } 5179 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5180 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5181 SCTP_INP_RLOCK(inp); 5182 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5183 SCTP_TCB_LOCK(stcb); 5184 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5185 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5186 } 5187 SCTP_TCB_UNLOCK(stcb); 5188 } 5189 SCTP_INP_RUNLOCK(inp); 5190 } 5191 } 5192 break; 5193 } 5194 case SCTP_PEER_ADDR_PARAMS: 5195 { 5196 struct sctp_paddrparams *paddrp; 5197 struct sctp_nets *net; 5198 struct sockaddr *addr; 5199#if defined(INET) && defined(INET6) 5200 struct sockaddr_in sin_store; 5201#endif 5202 5203 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5204 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5205 5206#if defined(INET) && defined(INET6) 5207 if (paddrp->spp_address.ss_family == AF_INET6) { 5208 struct sockaddr_in6 *sin6; 5209 5210 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5211 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5212 in6_sin6_2_sin(&sin_store, sin6); 5213 addr = (struct sockaddr *)&sin_store; 5214 } else { 5215 addr = (struct sockaddr *)&paddrp->spp_address; 5216 } 5217 } else { 5218 addr = (struct sockaddr *)&paddrp->spp_address; 5219 } 5220#else 5221 addr = (struct sockaddr *)&paddrp->spp_address; 5222#endif 5223 if (stcb != NULL) { 5224 net = sctp_findnet(stcb, addr); 5225 } else { 5226 /* 5227 * We increment here since 5228 * sctp_findassociation_ep_addr() wil do a 5229 * decrement if it finds the stcb as long as 5230 * the locked tcb (last argument) is NOT a 5231 * TCB.. aka NULL. 5232 */ 5233 net = NULL; 5234 SCTP_INP_INCR_REF(inp); 5235 stcb = sctp_findassociation_ep_addr(&inp, addr, 5236 &net, NULL, NULL); 5237 if (stcb == NULL) { 5238 SCTP_INP_DECR_REF(inp); 5239 } 5240 } 5241 if ((stcb != NULL) && (net == NULL)) { 5242#ifdef INET 5243 if (addr->sa_family == AF_INET) { 5244 5245 struct sockaddr_in *sin; 5246 5247 sin = (struct sockaddr_in *)addr; 5248 if (sin->sin_addr.s_addr != INADDR_ANY) { 5249 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5250 SCTP_TCB_UNLOCK(stcb); 5251 error = EINVAL; 5252 break; 5253 } 5254 } else 5255#endif 5256#ifdef INET6 5257 if (addr->sa_family == AF_INET6) { 5258 struct sockaddr_in6 *sin6; 5259 5260 sin6 = (struct sockaddr_in6 *)addr; 5261 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5262 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5263 SCTP_TCB_UNLOCK(stcb); 5264 error = EINVAL; 5265 break; 5266 } 5267 } else 5268#endif 5269 { 5270 error = EAFNOSUPPORT; 5271 SCTP_TCB_UNLOCK(stcb); 5272 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5273 break; 5274 } 5275 } 5276 /* sanity checks */ 5277 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5278 if (stcb) 5279 SCTP_TCB_UNLOCK(stcb); 5280 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5281 return (EINVAL); 5282 } 5283 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5284 if (stcb) 5285 SCTP_TCB_UNLOCK(stcb); 5286 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5287 return (EINVAL); 5288 } 5289 if (stcb != NULL) { 5290 /************************TCB SPECIFIC SET ******************/ 5291 if (net != NULL) { 5292 /************************NET SPECIFIC SET ******************/ 5293 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5294 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5295 !(net->dest_state & SCTP_ADDR_NOHB)) { 5296 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5297 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5298 } 5299 net->dest_state |= SCTP_ADDR_NOHB; 5300 } 5301 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5302 if (paddrp->spp_hbinterval) { 5303 net->heart_beat_delay = paddrp->spp_hbinterval; 5304 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5305 net->heart_beat_delay = 0; 5306 } 5307 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5308 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5309 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5310 net->dest_state &= ~SCTP_ADDR_NOHB; 5311 } 5312 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5313 /* on demand HB */ 5314 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5315 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5316 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5317 } 5318 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5319 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5320 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5321 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5322 } 5323 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5324 net->mtu = paddrp->spp_pathmtu; 5325 switch (net->ro._l_addr.sa.sa_family) { 5326#ifdef INET 5327 case AF_INET: 5328 net->mtu += SCTP_MIN_V4_OVERHEAD; 5329 break; 5330#endif 5331#ifdef INET6 5332 case AF_INET6: 5333 net->mtu += SCTP_MIN_OVERHEAD; 5334 break; 5335#endif 5336 default: 5337 break; 5338 } 5339 if (net->mtu < stcb->asoc.smallest_mtu) { 5340 sctp_pathmtu_adjustment(stcb, net->mtu); 5341 } 5342 } 5343 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5344 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5345 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5346 } 5347 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5348 } 5349 if (paddrp->spp_pathmaxrxt) { 5350 if (net->dest_state & SCTP_ADDR_PF) { 5351 if (net->error_count > paddrp->spp_pathmaxrxt) { 5352 net->dest_state &= ~SCTP_ADDR_PF; 5353 } 5354 } else { 5355 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5356 (net->error_count > net->pf_threshold)) { 5357 net->dest_state |= SCTP_ADDR_PF; 5358 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5359 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5360 stcb->sctp_ep, stcb, net, 5361 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5362 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5363 } 5364 } 5365 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5366 if (net->error_count > paddrp->spp_pathmaxrxt) { 5367 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5368 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5369 } 5370 } else { 5371 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5372 net->dest_state |= SCTP_ADDR_REACHABLE; 5373 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5374 } 5375 } 5376 net->failure_threshold = paddrp->spp_pathmaxrxt; 5377 } 5378 if (paddrp->spp_flags & SPP_DSCP) { 5379 net->dscp = paddrp->spp_dscp & 0xfc; 5380 net->dscp |= 0x01; 5381 } 5382#ifdef INET6 5383 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5384 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5385 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5386 net->flowlabel |= 0x80000000; 5387 } 5388 } 5389#endif 5390 } else { 5391 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5392 if (paddrp->spp_pathmaxrxt != 0) { 5393 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5394 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5395 if (net->dest_state & SCTP_ADDR_PF) { 5396 if (net->error_count > paddrp->spp_pathmaxrxt) { 5397 net->dest_state &= ~SCTP_ADDR_PF; 5398 } 5399 } else { 5400 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5401 (net->error_count > net->pf_threshold)) { 5402 net->dest_state |= SCTP_ADDR_PF; 5403 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5404 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5405 stcb->sctp_ep, stcb, net, 5406 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5407 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5408 } 5409 } 5410 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5411 if (net->error_count > paddrp->spp_pathmaxrxt) { 5412 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5413 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5414 } 5415 } else { 5416 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5417 net->dest_state |= SCTP_ADDR_REACHABLE; 5418 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5419 } 5420 } 5421 net->failure_threshold = paddrp->spp_pathmaxrxt; 5422 } 5423 } 5424 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5425 if (paddrp->spp_hbinterval != 0) { 5426 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5427 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5428 stcb->asoc.heart_beat_delay = 0; 5429 } 5430 /* Turn back on the timer */ 5431 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5432 if (paddrp->spp_hbinterval != 0) { 5433 net->heart_beat_delay = paddrp->spp_hbinterval; 5434 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5435 net->heart_beat_delay = 0; 5436 } 5437 if (net->dest_state & SCTP_ADDR_NOHB) { 5438 net->dest_state &= ~SCTP_ADDR_NOHB; 5439 } 5440 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5441 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5442 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5443 } 5444 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5445 } 5446 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5447 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5448 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5449 net->dest_state |= SCTP_ADDR_NOHB; 5450 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5451 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5452 inp, stcb, net, 5453 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5454 } 5455 } 5456 } 5457 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5458 } 5459 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5460 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5461 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5462 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5463 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5464 } 5465 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5466 net->mtu = paddrp->spp_pathmtu; 5467 switch (net->ro._l_addr.sa.sa_family) { 5468#ifdef INET 5469 case AF_INET: 5470 net->mtu += SCTP_MIN_V4_OVERHEAD; 5471 break; 5472#endif 5473#ifdef INET6 5474 case AF_INET6: 5475 net->mtu += SCTP_MIN_OVERHEAD; 5476 break; 5477#endif 5478 default: 5479 break; 5480 } 5481 if (net->mtu < stcb->asoc.smallest_mtu) { 5482 sctp_pathmtu_adjustment(stcb, net->mtu); 5483 } 5484 } 5485 stcb->asoc.default_mtu = paddrp->spp_pathmtu; 5486 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5487 } 5488 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5489 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5490 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5491 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5492 } 5493 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5494 } 5495 stcb->asoc.default_mtu = 0; 5496 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5497 } 5498 if (paddrp->spp_flags & SPP_DSCP) { 5499 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5500 net->dscp = paddrp->spp_dscp & 0xfc; 5501 net->dscp |= 0x01; 5502 } 5503 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5504 stcb->asoc.default_dscp |= 0x01; 5505 } 5506#ifdef INET6 5507 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5508 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5509 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5510 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5511 net->flowlabel |= 0x80000000; 5512 } 5513 } 5514 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5515 stcb->asoc.default_flowlabel |= 0x80000000; 5516 } 5517#endif 5518 } 5519 SCTP_TCB_UNLOCK(stcb); 5520 } else { 5521 /************************NO TCB, SET TO default stuff ******************/ 5522 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5523 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5524 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 5525 SCTP_INP_WLOCK(inp); 5526 /* 5527 * For the TOS/FLOWLABEL stuff you 5528 * set it with the options on the 5529 * socket 5530 */ 5531 if (paddrp->spp_pathmaxrxt != 0) { 5532 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5533 } 5534 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5535 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5536 else if (paddrp->spp_hbinterval != 0) { 5537 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5538 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5539 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5540 } 5541 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5542 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5543 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5544 } else if (paddrp->spp_hbinterval) { 5545 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5546 } 5547 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5548 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5549 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5550 } 5551 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5552 inp->sctp_ep.default_mtu = 0; 5553 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5554 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5555 if (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU) { 5556 inp->sctp_ep.default_mtu = paddrp->spp_pathmtu; 5557 } 5558 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5559 } 5560 if (paddrp->spp_flags & SPP_DSCP) { 5561 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5562 inp->sctp_ep.default_dscp |= 0x01; 5563 } 5564#ifdef INET6 5565 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5566 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5567 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5568 inp->sctp_ep.default_flowlabel |= 0x80000000; 5569 } 5570 } 5571#endif 5572 SCTP_INP_WUNLOCK(inp); 5573 } else { 5574 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5575 error = EINVAL; 5576 } 5577 } 5578 break; 5579 } 5580 case SCTP_RTOINFO: 5581 { 5582 struct sctp_rtoinfo *srto; 5583 uint32_t new_init, new_min, new_max; 5584 5585 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5586 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5587 5588 if (stcb) { 5589 if (srto->srto_initial) 5590 new_init = srto->srto_initial; 5591 else 5592 new_init = stcb->asoc.initial_rto; 5593 if (srto->srto_max) 5594 new_max = srto->srto_max; 5595 else 5596 new_max = stcb->asoc.maxrto; 5597 if (srto->srto_min) 5598 new_min = srto->srto_min; 5599 else 5600 new_min = stcb->asoc.minrto; 5601 if ((new_min <= new_init) && (new_init <= new_max)) { 5602 stcb->asoc.initial_rto = new_init; 5603 stcb->asoc.maxrto = new_max; 5604 stcb->asoc.minrto = new_min; 5605 } else { 5606 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5607 error = EINVAL; 5608 } 5609 SCTP_TCB_UNLOCK(stcb); 5610 } else { 5611 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5612 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5613 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5614 SCTP_INP_WLOCK(inp); 5615 if (srto->srto_initial) 5616 new_init = srto->srto_initial; 5617 else 5618 new_init = inp->sctp_ep.initial_rto; 5619 if (srto->srto_max) 5620 new_max = srto->srto_max; 5621 else 5622 new_max = inp->sctp_ep.sctp_maxrto; 5623 if (srto->srto_min) 5624 new_min = srto->srto_min; 5625 else 5626 new_min = inp->sctp_ep.sctp_minrto; 5627 if ((new_min <= new_init) && (new_init <= new_max)) { 5628 inp->sctp_ep.initial_rto = new_init; 5629 inp->sctp_ep.sctp_maxrto = new_max; 5630 inp->sctp_ep.sctp_minrto = new_min; 5631 } else { 5632 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5633 error = EINVAL; 5634 } 5635 SCTP_INP_WUNLOCK(inp); 5636 } else { 5637 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5638 error = EINVAL; 5639 } 5640 } 5641 break; 5642 } 5643 case SCTP_ASSOCINFO: 5644 { 5645 struct sctp_assocparams *sasoc; 5646 5647 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5648 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5649 if (sasoc->sasoc_cookie_life) { 5650 /* boundary check the cookie life */ 5651 if (sasoc->sasoc_cookie_life < 1000) 5652 sasoc->sasoc_cookie_life = 1000; 5653 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5654 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5655 } 5656 } 5657 if (stcb) { 5658 if (sasoc->sasoc_asocmaxrxt) 5659 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5660 if (sasoc->sasoc_cookie_life) { 5661 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5662 } 5663 SCTP_TCB_UNLOCK(stcb); 5664 } else { 5665 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5666 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5667 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5668 SCTP_INP_WLOCK(inp); 5669 if (sasoc->sasoc_asocmaxrxt) 5670 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5671 if (sasoc->sasoc_cookie_life) { 5672 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5673 } 5674 SCTP_INP_WUNLOCK(inp); 5675 } else { 5676 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5677 error = EINVAL; 5678 } 5679 } 5680 break; 5681 } 5682 case SCTP_INITMSG: 5683 { 5684 struct sctp_initmsg *sinit; 5685 5686 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5687 SCTP_INP_WLOCK(inp); 5688 if (sinit->sinit_num_ostreams) 5689 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5690 5691 if (sinit->sinit_max_instreams) 5692 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5693 5694 if (sinit->sinit_max_attempts) 5695 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5696 5697 if (sinit->sinit_max_init_timeo) 5698 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5699 SCTP_INP_WUNLOCK(inp); 5700 break; 5701 } 5702 case SCTP_PRIMARY_ADDR: 5703 { 5704 struct sctp_setprim *spa; 5705 struct sctp_nets *net; 5706 struct sockaddr *addr; 5707#if defined(INET) && defined(INET6) 5708 struct sockaddr_in sin_store; 5709#endif 5710 5711 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5712 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5713 5714#if defined(INET) && defined(INET6) 5715 if (spa->ssp_addr.ss_family == AF_INET6) { 5716 struct sockaddr_in6 *sin6; 5717 5718 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5719 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5720 in6_sin6_2_sin(&sin_store, sin6); 5721 addr = (struct sockaddr *)&sin_store; 5722 } else { 5723 addr = (struct sockaddr *)&spa->ssp_addr; 5724 } 5725 } else { 5726 addr = (struct sockaddr *)&spa->ssp_addr; 5727 } 5728#else 5729 addr = (struct sockaddr *)&spa->ssp_addr; 5730#endif 5731 if (stcb != NULL) { 5732 net = sctp_findnet(stcb, addr); 5733 } else { 5734 /* 5735 * We increment here since 5736 * sctp_findassociation_ep_addr() wil do a 5737 * decrement if it finds the stcb as long as 5738 * the locked tcb (last argument) is NOT a 5739 * TCB.. aka NULL. 5740 */ 5741 net = NULL; 5742 SCTP_INP_INCR_REF(inp); 5743 stcb = sctp_findassociation_ep_addr(&inp, addr, 5744 &net, NULL, NULL); 5745 if (stcb == NULL) { 5746 SCTP_INP_DECR_REF(inp); 5747 } 5748 } 5749 5750 if ((stcb != NULL) && (net != NULL)) { 5751 if (net != stcb->asoc.primary_destination) { 5752 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5753 /* Ok we need to set it */ 5754 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5755 if ((stcb->asoc.alternate) && 5756 (!(net->dest_state & SCTP_ADDR_PF)) && 5757 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5758 sctp_free_remote_addr(stcb->asoc.alternate); 5759 stcb->asoc.alternate = NULL; 5760 } 5761 } else { 5762 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5763 error = EINVAL; 5764 } 5765 } else { 5766 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5767 error = EINVAL; 5768 } 5769 } 5770 } else { 5771 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5772 error = EINVAL; 5773 } 5774 if (stcb != NULL) { 5775 SCTP_TCB_UNLOCK(stcb); 5776 } 5777 break; 5778 } 5779 case SCTP_SET_DYNAMIC_PRIMARY: 5780 { 5781 union sctp_sockstore *ss; 5782 5783 error = priv_check(curthread, 5784 PRIV_NETINET_RESERVEDPORT); 5785 if (error) 5786 break; 5787 5788 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5789 /* SUPER USER CHECK? */ 5790 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5791 break; 5792 } 5793 case SCTP_SET_PEER_PRIMARY_ADDR: 5794 { 5795 struct sctp_setpeerprim *sspp; 5796 struct sockaddr *addr; 5797#if defined(INET) && defined(INET6) 5798 struct sockaddr_in sin_store; 5799#endif 5800 5801 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5802 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5803 if (stcb != NULL) { 5804 struct sctp_ifa *ifa; 5805 5806#if defined(INET) && defined(INET6) 5807 if (sspp->sspp_addr.ss_family == AF_INET6) { 5808 struct sockaddr_in6 *sin6; 5809 5810 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5811 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5812 in6_sin6_2_sin(&sin_store, sin6); 5813 addr = (struct sockaddr *)&sin_store; 5814 } else { 5815 addr = (struct sockaddr *)&sspp->sspp_addr; 5816 } 5817 } else { 5818 addr = (struct sockaddr *)&sspp->sspp_addr; 5819 } 5820#else 5821 addr = (struct sockaddr *)&sspp->sspp_addr; 5822#endif 5823 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5824 if (ifa == NULL) { 5825 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5826 error = EINVAL; 5827 goto out_of_it; 5828 } 5829 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5830 /* 5831 * Must validate the ifa found is in 5832 * our ep 5833 */ 5834 struct sctp_laddr *laddr; 5835 int found = 0; 5836 5837 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5838 if (laddr->ifa == NULL) { 5839 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5840 __func__); 5841 continue; 5842 } 5843 if ((sctp_is_addr_restricted(stcb, laddr->ifa)) && 5844 (!sctp_is_addr_pending(stcb, laddr->ifa))) { 5845 continue; 5846 } 5847 if (laddr->ifa == ifa) { 5848 found = 1; 5849 break; 5850 } 5851 } 5852 if (!found) { 5853 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5854 error = EINVAL; 5855 goto out_of_it; 5856 } 5857 } else { 5858 switch (addr->sa_family) { 5859#ifdef INET 5860 case AF_INET: 5861 { 5862 struct sockaddr_in *sin; 5863 5864 sin = (struct sockaddr_in *)addr; 5865 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5866 &sin->sin_addr) != 0) { 5867 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5868 error = EINVAL; 5869 goto out_of_it; 5870 } 5871 break; 5872 } 5873#endif 5874#ifdef INET6 5875 case AF_INET6: 5876 { 5877 struct sockaddr_in6 *sin6; 5878 5879 sin6 = (struct sockaddr_in6 *)addr; 5880 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5881 &sin6->sin6_addr) != 0) { 5882 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5883 error = EINVAL; 5884 goto out_of_it; 5885 } 5886 break; 5887 } 5888#endif 5889 default: 5890 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5891 error = EINVAL; 5892 goto out_of_it; 5893 } 5894 } 5895 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5896 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5897 error = EINVAL; 5898 } 5899 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5900 out_of_it: 5901 SCTP_TCB_UNLOCK(stcb); 5902 } else { 5903 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5904 error = EINVAL; 5905 } 5906 break; 5907 } 5908 case SCTP_BINDX_ADD_ADDR: 5909 { 5910 struct sctp_getaddresses *addrs; 5911 struct thread *td; 5912 5913 td = (struct thread *)p; 5914 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5915 optsize); 5916#ifdef INET 5917 if (addrs->addr->sa_family == AF_INET) { 5918 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5919 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5920 error = EINVAL; 5921 break; 5922 } 5923 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5924 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5925 break; 5926 } 5927 } else 5928#endif 5929#ifdef INET6 5930 if (addrs->addr->sa_family == AF_INET6) { 5931 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5932 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5933 error = EINVAL; 5934 break; 5935 } 5936 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5937 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5938 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5939 break; 5940 } 5941 } else 5942#endif 5943 { 5944 error = EAFNOSUPPORT; 5945 break; 5946 } 5947 sctp_bindx_add_address(so, inp, addrs->addr, 5948 addrs->sget_assoc_id, vrf_id, 5949 &error, p); 5950 break; 5951 } 5952 case SCTP_BINDX_REM_ADDR: 5953 { 5954 struct sctp_getaddresses *addrs; 5955 struct thread *td; 5956 5957 td = (struct thread *)p; 5958 5959 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5960#ifdef INET 5961 if (addrs->addr->sa_family == AF_INET) { 5962 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5963 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5964 error = EINVAL; 5965 break; 5966 } 5967 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5968 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5969 break; 5970 } 5971 } else 5972#endif 5973#ifdef INET6 5974 if (addrs->addr->sa_family == AF_INET6) { 5975 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5976 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5977 error = EINVAL; 5978 break; 5979 } 5980 if (td != NULL && 5981 (error = prison_local_ip6(td->td_ucred, 5982 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5983 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5984 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5985 break; 5986 } 5987 } else 5988#endif 5989 { 5990 error = EAFNOSUPPORT; 5991 break; 5992 } 5993 sctp_bindx_delete_address(inp, addrs->addr, 5994 addrs->sget_assoc_id, vrf_id, 5995 &error); 5996 break; 5997 } 5998 case SCTP_EVENT: 5999 { 6000 struct sctp_event *event; 6001 uint32_t event_type; 6002 6003 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 6004 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 6005 switch (event->se_type) { 6006 case SCTP_ASSOC_CHANGE: 6007 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 6008 break; 6009 case SCTP_PEER_ADDR_CHANGE: 6010 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 6011 break; 6012 case SCTP_REMOTE_ERROR: 6013 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 6014 break; 6015 case SCTP_SEND_FAILED: 6016 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 6017 break; 6018 case SCTP_SHUTDOWN_EVENT: 6019 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 6020 break; 6021 case SCTP_ADAPTATION_INDICATION: 6022 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 6023 break; 6024 case SCTP_PARTIAL_DELIVERY_EVENT: 6025 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 6026 break; 6027 case SCTP_AUTHENTICATION_EVENT: 6028 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 6029 break; 6030 case SCTP_STREAM_RESET_EVENT: 6031 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 6032 break; 6033 case SCTP_SENDER_DRY_EVENT: 6034 event_type = SCTP_PCB_FLAGS_DRYEVNT; 6035 break; 6036 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 6037 event_type = 0; 6038 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6039 error = ENOTSUP; 6040 break; 6041 case SCTP_ASSOC_RESET_EVENT: 6042 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 6043 break; 6044 case SCTP_STREAM_CHANGE_EVENT: 6045 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 6046 break; 6047 case SCTP_SEND_FAILED_EVENT: 6048 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 6049 break; 6050 default: 6051 event_type = 0; 6052 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6053 error = EINVAL; 6054 break; 6055 } 6056 if (event_type > 0) { 6057 if (stcb) { 6058 if (event->se_on) { 6059 sctp_stcb_feature_on(inp, stcb, event_type); 6060 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 6061 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 6062 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 6063 (stcb->asoc.stream_queue_cnt == 0)) { 6064 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 6065 } 6066 } 6067 } else { 6068 sctp_stcb_feature_off(inp, stcb, event_type); 6069 } 6070 SCTP_TCB_UNLOCK(stcb); 6071 } else { 6072 /* 6073 * We don't want to send up a storm 6074 * of events, so return an error for 6075 * sender dry events 6076 */ 6077 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 6078 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 6079 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 6080 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 6081 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 6082 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6083 error = ENOTSUP; 6084 break; 6085 } 6086 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6087 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6088 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 6089 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6090 SCTP_INP_WLOCK(inp); 6091 if (event->se_on) { 6092 sctp_feature_on(inp, event_type); 6093 } else { 6094 sctp_feature_off(inp, event_type); 6095 } 6096 SCTP_INP_WUNLOCK(inp); 6097 } 6098 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 6099 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6100 SCTP_INP_RLOCK(inp); 6101 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6102 SCTP_TCB_LOCK(stcb); 6103 if (event->se_on) { 6104 sctp_stcb_feature_on(inp, stcb, event_type); 6105 } else { 6106 sctp_stcb_feature_off(inp, stcb, event_type); 6107 } 6108 SCTP_TCB_UNLOCK(stcb); 6109 } 6110 SCTP_INP_RUNLOCK(inp); 6111 } 6112 } 6113 } 6114 break; 6115 } 6116 case SCTP_RECVRCVINFO: 6117 { 6118 int *onoff; 6119 6120 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6121 SCTP_INP_WLOCK(inp); 6122 if (*onoff != 0) { 6123 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6124 } else { 6125 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6126 } 6127 SCTP_INP_WUNLOCK(inp); 6128 break; 6129 } 6130 case SCTP_RECVNXTINFO: 6131 { 6132 int *onoff; 6133 6134 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6135 SCTP_INP_WLOCK(inp); 6136 if (*onoff != 0) { 6137 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6138 } else { 6139 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6140 } 6141 SCTP_INP_WUNLOCK(inp); 6142 break; 6143 } 6144 case SCTP_DEFAULT_SNDINFO: 6145 { 6146 struct sctp_sndinfo *info; 6147 uint16_t policy; 6148 6149 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6150 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6151 6152 if (stcb) { 6153 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6154 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6155 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6156 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6157 stcb->asoc.def_send.sinfo_flags |= policy; 6158 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6159 stcb->asoc.def_send.sinfo_context = info->snd_context; 6160 } else { 6161 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6162 error = EINVAL; 6163 } 6164 SCTP_TCB_UNLOCK(stcb); 6165 } else { 6166 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6167 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6168 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6169 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6170 SCTP_INP_WLOCK(inp); 6171 inp->def_send.sinfo_stream = info->snd_sid; 6172 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6173 inp->def_send.sinfo_flags = info->snd_flags; 6174 inp->def_send.sinfo_flags |= policy; 6175 inp->def_send.sinfo_ppid = info->snd_ppid; 6176 inp->def_send.sinfo_context = info->snd_context; 6177 SCTP_INP_WUNLOCK(inp); 6178 } 6179 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6180 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6181 SCTP_INP_RLOCK(inp); 6182 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6183 SCTP_TCB_LOCK(stcb); 6184 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6185 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6186 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6187 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6188 stcb->asoc.def_send.sinfo_flags |= policy; 6189 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6190 stcb->asoc.def_send.sinfo_context = info->snd_context; 6191 } 6192 SCTP_TCB_UNLOCK(stcb); 6193 } 6194 SCTP_INP_RUNLOCK(inp); 6195 } 6196 } 6197 break; 6198 } 6199 case SCTP_DEFAULT_PRINFO: 6200 { 6201 struct sctp_default_prinfo *info; 6202 6203 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6204 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6205 6206 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6207 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6208 error = EINVAL; 6209 break; 6210 } 6211 if (stcb) { 6212 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6213 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6214 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6215 SCTP_TCB_UNLOCK(stcb); 6216 } else { 6217 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6218 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6219 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6220 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6221 SCTP_INP_WLOCK(inp); 6222 inp->def_send.sinfo_flags &= 0xfff0; 6223 inp->def_send.sinfo_flags |= info->pr_policy; 6224 inp->def_send.sinfo_timetolive = info->pr_value; 6225 SCTP_INP_WUNLOCK(inp); 6226 } 6227 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6228 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6229 SCTP_INP_RLOCK(inp); 6230 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6231 SCTP_TCB_LOCK(stcb); 6232 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6233 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6234 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6235 SCTP_TCB_UNLOCK(stcb); 6236 } 6237 SCTP_INP_RUNLOCK(inp); 6238 } 6239 } 6240 break; 6241 } 6242 case SCTP_PEER_ADDR_THLDS: 6243 /* Applies to the specific association */ 6244 { 6245 struct sctp_paddrthlds *thlds; 6246 struct sctp_nets *net; 6247 struct sockaddr *addr; 6248#if defined(INET) && defined(INET6) 6249 struct sockaddr_in sin_store; 6250#endif 6251 6252 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6253 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6254 6255#if defined(INET) && defined(INET6) 6256 if (thlds->spt_address.ss_family == AF_INET6) { 6257 struct sockaddr_in6 *sin6; 6258 6259 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6260 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6261 in6_sin6_2_sin(&sin_store, sin6); 6262 addr = (struct sockaddr *)&sin_store; 6263 } else { 6264 addr = (struct sockaddr *)&thlds->spt_address; 6265 } 6266 } else { 6267 addr = (struct sockaddr *)&thlds->spt_address; 6268 } 6269#else 6270 addr = (struct sockaddr *)&thlds->spt_address; 6271#endif 6272 if (stcb != NULL) { 6273 net = sctp_findnet(stcb, addr); 6274 } else { 6275 /* 6276 * We increment here since 6277 * sctp_findassociation_ep_addr() wil do a 6278 * decrement if it finds the stcb as long as 6279 * the locked tcb (last argument) is NOT a 6280 * TCB.. aka NULL. 6281 */ 6282 net = NULL; 6283 SCTP_INP_INCR_REF(inp); 6284 stcb = sctp_findassociation_ep_addr(&inp, addr, 6285 &net, NULL, NULL); 6286 if (stcb == NULL) { 6287 SCTP_INP_DECR_REF(inp); 6288 } 6289 } 6290 if ((stcb != NULL) && (net == NULL)) { 6291#ifdef INET 6292 if (addr->sa_family == AF_INET) { 6293 6294 struct sockaddr_in *sin; 6295 6296 sin = (struct sockaddr_in *)addr; 6297 if (sin->sin_addr.s_addr != INADDR_ANY) { 6298 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6299 SCTP_TCB_UNLOCK(stcb); 6300 error = EINVAL; 6301 break; 6302 } 6303 } else 6304#endif 6305#ifdef INET6 6306 if (addr->sa_family == AF_INET6) { 6307 struct sockaddr_in6 *sin6; 6308 6309 sin6 = (struct sockaddr_in6 *)addr; 6310 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6311 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6312 SCTP_TCB_UNLOCK(stcb); 6313 error = EINVAL; 6314 break; 6315 } 6316 } else 6317#endif 6318 { 6319 error = EAFNOSUPPORT; 6320 SCTP_TCB_UNLOCK(stcb); 6321 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6322 break; 6323 } 6324 } 6325 if (thlds->spt_pathcpthld != 0xffff) { 6326 error = EINVAL; 6327 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6328 break; 6329 } 6330 if (stcb != NULL) { 6331 if (net != NULL) { 6332 net->failure_threshold = thlds->spt_pathmaxrxt; 6333 net->pf_threshold = thlds->spt_pathpfthld; 6334 if (net->dest_state & SCTP_ADDR_PF) { 6335 if ((net->error_count > net->failure_threshold) || 6336 (net->error_count <= net->pf_threshold)) { 6337 net->dest_state &= ~SCTP_ADDR_PF; 6338 } 6339 } else { 6340 if ((net->error_count > net->pf_threshold) && 6341 (net->error_count <= net->failure_threshold)) { 6342 net->dest_state |= SCTP_ADDR_PF; 6343 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6344 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6345 stcb->sctp_ep, stcb, net, 6346 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); 6347 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6348 } 6349 } 6350 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6351 if (net->error_count > net->failure_threshold) { 6352 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6353 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6354 } 6355 } else { 6356 if (net->error_count <= net->failure_threshold) { 6357 net->dest_state |= SCTP_ADDR_REACHABLE; 6358 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6359 } 6360 } 6361 } else { 6362 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6363 net->failure_threshold = thlds->spt_pathmaxrxt; 6364 net->pf_threshold = thlds->spt_pathpfthld; 6365 if (net->dest_state & SCTP_ADDR_PF) { 6366 if ((net->error_count > net->failure_threshold) || 6367 (net->error_count <= net->pf_threshold)) { 6368 net->dest_state &= ~SCTP_ADDR_PF; 6369 } 6370 } else { 6371 if ((net->error_count > net->pf_threshold) && 6372 (net->error_count <= net->failure_threshold)) { 6373 net->dest_state |= SCTP_ADDR_PF; 6374 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6375 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6376 stcb->sctp_ep, stcb, net, 6377 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6378 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6379 } 6380 } 6381 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6382 if (net->error_count > net->failure_threshold) { 6383 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6384 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6385 } 6386 } else { 6387 if (net->error_count <= net->failure_threshold) { 6388 net->dest_state |= SCTP_ADDR_REACHABLE; 6389 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6390 } 6391 } 6392 } 6393 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6394 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6395 } 6396 SCTP_TCB_UNLOCK(stcb); 6397 } else { 6398 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6399 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6400 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 6401 SCTP_INP_WLOCK(inp); 6402 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6403 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6404 SCTP_INP_WUNLOCK(inp); 6405 } else { 6406 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6407 error = EINVAL; 6408 } 6409 } 6410 break; 6411 } 6412 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6413 { 6414 struct sctp_udpencaps *encaps; 6415 struct sctp_nets *net; 6416 struct sockaddr *addr; 6417#if defined(INET) && defined(INET6) 6418 struct sockaddr_in sin_store; 6419#endif 6420 6421 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6422 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6423 6424#if defined(INET) && defined(INET6) 6425 if (encaps->sue_address.ss_family == AF_INET6) { 6426 struct sockaddr_in6 *sin6; 6427 6428 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6429 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6430 in6_sin6_2_sin(&sin_store, sin6); 6431 addr = (struct sockaddr *)&sin_store; 6432 } else { 6433 addr = (struct sockaddr *)&encaps->sue_address; 6434 } 6435 } else { 6436 addr = (struct sockaddr *)&encaps->sue_address; 6437 } 6438#else 6439 addr = (struct sockaddr *)&encaps->sue_address; 6440#endif 6441 if (stcb != NULL) { 6442 net = sctp_findnet(stcb, addr); 6443 } else { 6444 /* 6445 * We increment here since 6446 * sctp_findassociation_ep_addr() wil do a 6447 * decrement if it finds the stcb as long as 6448 * the locked tcb (last argument) is NOT a 6449 * TCB.. aka NULL. 6450 */ 6451 net = NULL; 6452 SCTP_INP_INCR_REF(inp); 6453 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6454 if (stcb == NULL) { 6455 SCTP_INP_DECR_REF(inp); 6456 } 6457 } 6458 if ((stcb != NULL) && (net == NULL)) { 6459#ifdef INET 6460 if (addr->sa_family == AF_INET) { 6461 6462 struct sockaddr_in *sin; 6463 6464 sin = (struct sockaddr_in *)addr; 6465 if (sin->sin_addr.s_addr != INADDR_ANY) { 6466 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6467 SCTP_TCB_UNLOCK(stcb); 6468 error = EINVAL; 6469 break; 6470 } 6471 } else 6472#endif 6473#ifdef INET6 6474 if (addr->sa_family == AF_INET6) { 6475 struct sockaddr_in6 *sin6; 6476 6477 sin6 = (struct sockaddr_in6 *)addr; 6478 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6479 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6480 SCTP_TCB_UNLOCK(stcb); 6481 error = EINVAL; 6482 break; 6483 } 6484 } else 6485#endif 6486 { 6487 error = EAFNOSUPPORT; 6488 SCTP_TCB_UNLOCK(stcb); 6489 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6490 break; 6491 } 6492 } 6493 if (stcb != NULL) { 6494 if (net != NULL) { 6495 net->port = encaps->sue_port; 6496 } else { 6497 stcb->asoc.port = encaps->sue_port; 6498 } 6499 SCTP_TCB_UNLOCK(stcb); 6500 } else { 6501 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6502 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6503 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 6504 SCTP_INP_WLOCK(inp); 6505 inp->sctp_ep.port = encaps->sue_port; 6506 SCTP_INP_WUNLOCK(inp); 6507 } else { 6508 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6509 error = EINVAL; 6510 } 6511 } 6512 break; 6513 } 6514 case SCTP_ECN_SUPPORTED: 6515 { 6516 struct sctp_assoc_value *av; 6517 6518 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6519 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6520 6521 if (stcb) { 6522 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6523 error = EINVAL; 6524 SCTP_TCB_UNLOCK(stcb); 6525 } else { 6526 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6527 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6528 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6529 SCTP_INP_WLOCK(inp); 6530 if (av->assoc_value == 0) { 6531 inp->ecn_supported = 0; 6532 } else { 6533 inp->ecn_supported = 1; 6534 } 6535 SCTP_INP_WUNLOCK(inp); 6536 } else { 6537 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6538 error = EINVAL; 6539 } 6540 } 6541 break; 6542 } 6543 case SCTP_PR_SUPPORTED: 6544 { 6545 struct sctp_assoc_value *av; 6546 6547 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6548 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6549 6550 if (stcb) { 6551 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6552 error = EINVAL; 6553 SCTP_TCB_UNLOCK(stcb); 6554 } else { 6555 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6556 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6557 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6558 SCTP_INP_WLOCK(inp); 6559 if (av->assoc_value == 0) { 6560 inp->prsctp_supported = 0; 6561 } else { 6562 inp->prsctp_supported = 1; 6563 } 6564 SCTP_INP_WUNLOCK(inp); 6565 } else { 6566 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6567 error = EINVAL; 6568 } 6569 } 6570 break; 6571 } 6572 case SCTP_AUTH_SUPPORTED: 6573 { 6574 struct sctp_assoc_value *av; 6575 6576 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6577 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6578 6579 if (stcb) { 6580 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6581 error = EINVAL; 6582 SCTP_TCB_UNLOCK(stcb); 6583 } else { 6584 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6585 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6586 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6587 if ((av->assoc_value == 0) && 6588 (inp->asconf_supported == 1)) { 6589 /* 6590 * AUTH is required for 6591 * ASCONF 6592 */ 6593 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6594 error = EINVAL; 6595 } else { 6596 SCTP_INP_WLOCK(inp); 6597 if (av->assoc_value == 0) { 6598 inp->auth_supported = 0; 6599 } else { 6600 inp->auth_supported = 1; 6601 } 6602 SCTP_INP_WUNLOCK(inp); 6603 } 6604 } else { 6605 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6606 error = EINVAL; 6607 } 6608 } 6609 break; 6610 } 6611 case SCTP_ASCONF_SUPPORTED: 6612 { 6613 struct sctp_assoc_value *av; 6614 6615 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6616 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6617 6618 if (stcb) { 6619 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6620 error = EINVAL; 6621 SCTP_TCB_UNLOCK(stcb); 6622 } else { 6623 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6624 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6625 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6626 if ((av->assoc_value != 0) && 6627 (inp->auth_supported == 0)) { 6628 /* 6629 * AUTH is required for 6630 * ASCONF 6631 */ 6632 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6633 error = EINVAL; 6634 } else { 6635 SCTP_INP_WLOCK(inp); 6636 if (av->assoc_value == 0) { 6637 inp->asconf_supported = 0; 6638 sctp_auth_delete_chunk(SCTP_ASCONF, 6639 inp->sctp_ep.local_auth_chunks); 6640 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6641 inp->sctp_ep.local_auth_chunks); 6642 } else { 6643 inp->asconf_supported = 1; 6644 sctp_auth_add_chunk(SCTP_ASCONF, 6645 inp->sctp_ep.local_auth_chunks); 6646 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6647 inp->sctp_ep.local_auth_chunks); 6648 } 6649 SCTP_INP_WUNLOCK(inp); 6650 } 6651 } else { 6652 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6653 error = EINVAL; 6654 } 6655 } 6656 break; 6657 } 6658 case SCTP_RECONFIG_SUPPORTED: 6659 { 6660 struct sctp_assoc_value *av; 6661 6662 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6663 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6664 6665 if (stcb) { 6666 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6667 error = EINVAL; 6668 SCTP_TCB_UNLOCK(stcb); 6669 } else { 6670 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6671 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6672 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6673 SCTP_INP_WLOCK(inp); 6674 if (av->assoc_value == 0) { 6675 inp->reconfig_supported = 0; 6676 } else { 6677 inp->reconfig_supported = 1; 6678 } 6679 SCTP_INP_WUNLOCK(inp); 6680 } else { 6681 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6682 error = EINVAL; 6683 } 6684 } 6685 break; 6686 } 6687 case SCTP_NRSACK_SUPPORTED: 6688 { 6689 struct sctp_assoc_value *av; 6690 6691 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6692 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6693 6694 if (stcb) { 6695 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6696 error = EINVAL; 6697 SCTP_TCB_UNLOCK(stcb); 6698 } else { 6699 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6700 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6701 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6702 SCTP_INP_WLOCK(inp); 6703 if (av->assoc_value == 0) { 6704 inp->nrsack_supported = 0; 6705 } else { 6706 inp->nrsack_supported = 1; 6707 } 6708 SCTP_INP_WUNLOCK(inp); 6709 } else { 6710 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6711 error = EINVAL; 6712 } 6713 } 6714 break; 6715 } 6716 case SCTP_PKTDROP_SUPPORTED: 6717 { 6718 struct sctp_assoc_value *av; 6719 6720 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6721 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6722 6723 if (stcb) { 6724 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6725 error = EINVAL; 6726 SCTP_TCB_UNLOCK(stcb); 6727 } else { 6728 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6729 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6730 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6731 SCTP_INP_WLOCK(inp); 6732 if (av->assoc_value == 0) { 6733 inp->pktdrop_supported = 0; 6734 } else { 6735 inp->pktdrop_supported = 1; 6736 } 6737 SCTP_INP_WUNLOCK(inp); 6738 } else { 6739 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6740 error = EINVAL; 6741 } 6742 } 6743 break; 6744 } 6745 case SCTP_MAX_CWND: 6746 { 6747 struct sctp_assoc_value *av; 6748 struct sctp_nets *net; 6749 6750 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6751 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6752 6753 if (stcb) { 6754 stcb->asoc.max_cwnd = av->assoc_value; 6755 if (stcb->asoc.max_cwnd > 0) { 6756 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6757 if ((net->cwnd > stcb->asoc.max_cwnd) && 6758 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6759 net->cwnd = stcb->asoc.max_cwnd; 6760 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6761 net->cwnd = net->mtu - sizeof(struct sctphdr); 6762 } 6763 } 6764 } 6765 } 6766 SCTP_TCB_UNLOCK(stcb); 6767 } else { 6768 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6769 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6770 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6771 SCTP_INP_WLOCK(inp); 6772 inp->max_cwnd = av->assoc_value; 6773 SCTP_INP_WUNLOCK(inp); 6774 } else { 6775 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6776 error = EINVAL; 6777 } 6778 } 6779 break; 6780 } 6781 default: 6782 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6783 error = ENOPROTOOPT; 6784 break; 6785 } /* end switch (opt) */ 6786 return (error); 6787} 6788 6789int 6790sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6791{ 6792 void *optval = NULL; 6793 size_t optsize = 0; 6794 void *p; 6795 int error = 0; 6796 struct sctp_inpcb *inp; 6797 6798 if ((sopt->sopt_level == SOL_SOCKET) && 6799 (sopt->sopt_name == SO_SETFIB)) { 6800 inp = (struct sctp_inpcb *)so->so_pcb; 6801 if (inp == NULL) { 6802 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6803 return (EINVAL); 6804 } 6805 SCTP_INP_WLOCK(inp); 6806 inp->fibnum = so->so_fibnum; 6807 SCTP_INP_WUNLOCK(inp); 6808 return (0); 6809 } 6810 if (sopt->sopt_level != IPPROTO_SCTP) { 6811 /* wrong proto level... send back up to IP */ 6812#ifdef INET6 6813 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6814 error = ip6_ctloutput(so, sopt); 6815#endif /* INET6 */ 6816#if defined(INET) && defined(INET6) 6817 else 6818#endif 6819#ifdef INET 6820 error = ip_ctloutput(so, sopt); 6821#endif 6822 return (error); 6823 } 6824 optsize = sopt->sopt_valsize; 6825 if (optsize) { 6826 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6827 if (optval == NULL) { 6828 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6829 return (ENOBUFS); 6830 } 6831 error = sooptcopyin(sopt, optval, optsize, optsize); 6832 if (error) { 6833 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6834 goto out; 6835 } 6836 } 6837 p = (void *)sopt->sopt_td; 6838 if (sopt->sopt_dir == SOPT_SET) { 6839 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6840 } else if (sopt->sopt_dir == SOPT_GET) { 6841 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6842 } else { 6843 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6844 error = EINVAL; 6845 } 6846 if ((error == 0) && (optval != NULL)) { 6847 error = sooptcopyout(sopt, optval, optsize); 6848 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6849 } else if (optval != NULL) { 6850 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6851 } 6852out: 6853 return (error); 6854} 6855 6856#ifdef INET 6857static int 6858sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6859{ 6860 int error = 0; 6861 int create_lock_on = 0; 6862 uint32_t vrf_id; 6863 struct sctp_inpcb *inp; 6864 struct sctp_tcb *stcb = NULL; 6865 6866 inp = (struct sctp_inpcb *)so->so_pcb; 6867 if (inp == NULL) { 6868 /* I made the same as TCP since we are not setup? */ 6869 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6870 return (ECONNRESET); 6871 } 6872 if (addr == NULL) { 6873 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6874 return EINVAL; 6875 } 6876 switch (addr->sa_family) { 6877#ifdef INET6 6878 case AF_INET6: 6879 { 6880 struct sockaddr_in6 *sin6p; 6881 6882 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6883 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6884 return (EINVAL); 6885 } 6886 sin6p = (struct sockaddr_in6 *)addr; 6887 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 6888 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6889 return (error); 6890 } 6891 break; 6892 } 6893#endif 6894#ifdef INET 6895 case AF_INET: 6896 { 6897 struct sockaddr_in *sinp; 6898 6899 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6900 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6901 return (EINVAL); 6902 } 6903 sinp = (struct sockaddr_in *)addr; 6904 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 6905 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6906 return (error); 6907 } 6908 break; 6909 } 6910#endif 6911 default: 6912 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 6913 return (EAFNOSUPPORT); 6914 } 6915 SCTP_INP_INCR_REF(inp); 6916 SCTP_ASOC_CREATE_LOCK(inp); 6917 create_lock_on = 1; 6918 6919 6920 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 6921 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 6922 /* Should I really unlock ? */ 6923 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 6924 error = EFAULT; 6925 goto out_now; 6926 } 6927#ifdef INET6 6928 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 6929 (addr->sa_family == AF_INET6)) { 6930 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6931 error = EINVAL; 6932 goto out_now; 6933 } 6934#endif 6935 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 6936 SCTP_PCB_FLAGS_UNBOUND) { 6937 /* Bind a ephemeral port */ 6938 error = sctp_inpcb_bind(so, NULL, NULL, p); 6939 if (error) { 6940 goto out_now; 6941 } 6942 } 6943 /* Now do we connect? */ 6944 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 6945 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 6946 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6947 error = EINVAL; 6948 goto out_now; 6949 } 6950 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6951 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6952 /* We are already connected AND the TCP model */ 6953 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6954 error = EADDRINUSE; 6955 goto out_now; 6956 } 6957 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6958 SCTP_INP_RLOCK(inp); 6959 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6960 SCTP_INP_RUNLOCK(inp); 6961 } else { 6962 /* 6963 * We increment here since sctp_findassociation_ep_addr() 6964 * will do a decrement if it finds the stcb as long as the 6965 * locked tcb (last argument) is NOT a TCB.. aka NULL. 6966 */ 6967 SCTP_INP_INCR_REF(inp); 6968 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 6969 if (stcb == NULL) { 6970 SCTP_INP_DECR_REF(inp); 6971 } else { 6972 SCTP_TCB_UNLOCK(stcb); 6973 } 6974 } 6975 if (stcb != NULL) { 6976 /* Already have or am bring up an association */ 6977 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 6978 error = EALREADY; 6979 goto out_now; 6980 } 6981 vrf_id = inp->def_vrf_id; 6982 /* We are GOOD to go */ 6983 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, 6984 inp->sctp_ep.pre_open_stream_count, 6985 inp->sctp_ep.port, p); 6986 if (stcb == NULL) { 6987 /* Gak! no memory */ 6988 goto out_now; 6989 } 6990 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 6991 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 6992 /* Set the connected flag so we can queue data */ 6993 soisconnecting(so); 6994 } 6995 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 6996 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 6997 6998 /* initialize authentication parameters for the assoc */ 6999 sctp_initialize_auth_params(inp, stcb); 7000 7001 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 7002 SCTP_TCB_UNLOCK(stcb); 7003out_now: 7004 if (create_lock_on) { 7005 SCTP_ASOC_CREATE_UNLOCK(inp); 7006 } 7007 SCTP_INP_DECR_REF(inp); 7008 return (error); 7009} 7010#endif 7011 7012int 7013sctp_listen(struct socket *so, int backlog, struct thread *p) 7014{ 7015 /* 7016 * Note this module depends on the protocol processing being called 7017 * AFTER any socket level flags and backlog are applied to the 7018 * socket. The traditional way that the socket flags are applied is 7019 * AFTER protocol processing. We have made a change to the 7020 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 7021 * place if the socket API for SCTP is to work properly. 7022 */ 7023 7024 int error = 0; 7025 struct sctp_inpcb *inp; 7026 7027 inp = (struct sctp_inpcb *)so->so_pcb; 7028 if (inp == NULL) { 7029 /* I made the same as TCP since we are not setup? */ 7030 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7031 return (ECONNRESET); 7032 } 7033 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 7034 /* See if we have a listener */ 7035 struct sctp_inpcb *tinp; 7036 union sctp_sockstore store; 7037 7038 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 7039 /* not bound all */ 7040 struct sctp_laddr *laddr; 7041 7042 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7043 memcpy(&store, &laddr->ifa->address, sizeof(store)); 7044 switch (store.sa.sa_family) { 7045#ifdef INET 7046 case AF_INET: 7047 store.sin.sin_port = inp->sctp_lport; 7048 break; 7049#endif 7050#ifdef INET6 7051 case AF_INET6: 7052 store.sin6.sin6_port = inp->sctp_lport; 7053 break; 7054#endif 7055 default: 7056 break; 7057 } 7058 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7059 if (tinp && (tinp != inp) && 7060 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7061 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7062 (tinp->sctp_socket->so_qlimit)) { 7063 /* 7064 * we have a listener already and 7065 * its not this inp. 7066 */ 7067 SCTP_INP_DECR_REF(tinp); 7068 return (EADDRINUSE); 7069 } else if (tinp) { 7070 SCTP_INP_DECR_REF(tinp); 7071 } 7072 } 7073 } else { 7074 /* Setup a local addr bound all */ 7075 memset(&store, 0, sizeof(store)); 7076#ifdef INET6 7077 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 7078 store.sa.sa_family = AF_INET6; 7079 store.sa.sa_len = sizeof(struct sockaddr_in6); 7080 } 7081#endif 7082#ifdef INET 7083 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 7084 store.sa.sa_family = AF_INET; 7085 store.sa.sa_len = sizeof(struct sockaddr_in); 7086 } 7087#endif 7088 switch (store.sa.sa_family) { 7089#ifdef INET 7090 case AF_INET: 7091 store.sin.sin_port = inp->sctp_lport; 7092 break; 7093#endif 7094#ifdef INET6 7095 case AF_INET6: 7096 store.sin6.sin6_port = inp->sctp_lport; 7097 break; 7098#endif 7099 default: 7100 break; 7101 } 7102 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7103 if (tinp && (tinp != inp) && 7104 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7105 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7106 (tinp->sctp_socket->so_qlimit)) { 7107 /* 7108 * we have a listener already and its not 7109 * this inp. 7110 */ 7111 SCTP_INP_DECR_REF(tinp); 7112 return (EADDRINUSE); 7113 } else if (tinp) { 7114 SCTP_INP_DECR_REF(tinp); 7115 } 7116 } 7117 } 7118 SCTP_INP_RLOCK(inp); 7119#ifdef SCTP_LOCK_LOGGING 7120 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 7121 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 7122 } 7123#endif 7124 SOCK_LOCK(so); 7125 error = solisten_proto_check(so); 7126 SOCK_UNLOCK(so); 7127 if (error) { 7128 SCTP_INP_RUNLOCK(inp); 7129 return (error); 7130 } 7131 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 7132 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 7133 /* 7134 * The unlucky case - We are in the tcp pool with this guy. 7135 * - Someone else is in the main inp slot. - We must move 7136 * this guy (the listener) to the main slot - We must then 7137 * move the guy that was listener to the TCP Pool. 7138 */ 7139 if (sctp_swap_inpcb_for_listen(inp)) { 7140 SCTP_INP_RUNLOCK(inp); 7141 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7142 return (EADDRINUSE); 7143 } 7144 } 7145 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7146 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7147 /* We are already connected AND the TCP model */ 7148 SCTP_INP_RUNLOCK(inp); 7149 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7150 return (EADDRINUSE); 7151 } 7152 SCTP_INP_RUNLOCK(inp); 7153 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7154 /* We must do a bind. */ 7155 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 7156 /* bind error, probably perm */ 7157 return (error); 7158 } 7159 } 7160 SOCK_LOCK(so); 7161 /* It appears for 7.0 and on, we must always call this. */ 7162 solisten_proto(so, backlog); 7163 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7164 /* remove the ACCEPTCONN flag for one-to-many sockets */ 7165 so->so_options &= ~SO_ACCEPTCONN; 7166 } 7167 if (backlog == 0) { 7168 /* turning off listen */ 7169 so->so_options &= ~SO_ACCEPTCONN; 7170 } 7171 SOCK_UNLOCK(so); 7172 return (error); 7173} 7174 7175static int sctp_defered_wakeup_cnt = 0; 7176 7177int 7178sctp_accept(struct socket *so, struct sockaddr **addr) 7179{ 7180 struct sctp_tcb *stcb; 7181 struct sctp_inpcb *inp; 7182 union sctp_sockstore store; 7183#ifdef INET6 7184 int error; 7185#endif 7186 inp = (struct sctp_inpcb *)so->so_pcb; 7187 7188 if (inp == NULL) { 7189 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7190 return (ECONNRESET); 7191 } 7192 SCTP_INP_RLOCK(inp); 7193 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7194 SCTP_INP_RUNLOCK(inp); 7195 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7196 return (EOPNOTSUPP); 7197 } 7198 if (so->so_state & SS_ISDISCONNECTED) { 7199 SCTP_INP_RUNLOCK(inp); 7200 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7201 return (ECONNABORTED); 7202 } 7203 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7204 if (stcb == NULL) { 7205 SCTP_INP_RUNLOCK(inp); 7206 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7207 return (ECONNRESET); 7208 } 7209 SCTP_TCB_LOCK(stcb); 7210 SCTP_INP_RUNLOCK(inp); 7211 store = stcb->asoc.primary_destination->ro._l_addr; 7212 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 7213 SCTP_TCB_UNLOCK(stcb); 7214 switch (store.sa.sa_family) { 7215#ifdef INET 7216 case AF_INET: 7217 { 7218 struct sockaddr_in *sin; 7219 7220 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7221 if (sin == NULL) 7222 return (ENOMEM); 7223 sin->sin_family = AF_INET; 7224 sin->sin_len = sizeof(*sin); 7225 sin->sin_port = store.sin.sin_port; 7226 sin->sin_addr = store.sin.sin_addr; 7227 *addr = (struct sockaddr *)sin; 7228 break; 7229 } 7230#endif 7231#ifdef INET6 7232 case AF_INET6: 7233 { 7234 struct sockaddr_in6 *sin6; 7235 7236 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7237 if (sin6 == NULL) 7238 return (ENOMEM); 7239 sin6->sin6_family = AF_INET6; 7240 sin6->sin6_len = sizeof(*sin6); 7241 sin6->sin6_port = store.sin6.sin6_port; 7242 sin6->sin6_addr = store.sin6.sin6_addr; 7243 if ((error = sa6_recoverscope(sin6)) != 0) { 7244 SCTP_FREE_SONAME(sin6); 7245 return (error); 7246 } 7247 *addr = (struct sockaddr *)sin6; 7248 break; 7249 } 7250#endif 7251 default: 7252 /* TSNH */ 7253 break; 7254 } 7255 /* Wake any delayed sleep action */ 7256 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7257 SCTP_INP_WLOCK(inp); 7258 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7259 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7260 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7261 SCTP_INP_WUNLOCK(inp); 7262 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7263 if (sowriteable(inp->sctp_socket)) { 7264 sowwakeup_locked(inp->sctp_socket); 7265 } else { 7266 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7267 } 7268 SCTP_INP_WLOCK(inp); 7269 } 7270 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7271 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7272 SCTP_INP_WUNLOCK(inp); 7273 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7274 if (soreadable(inp->sctp_socket)) { 7275 sctp_defered_wakeup_cnt++; 7276 sorwakeup_locked(inp->sctp_socket); 7277 } else { 7278 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7279 } 7280 SCTP_INP_WLOCK(inp); 7281 } 7282 SCTP_INP_WUNLOCK(inp); 7283 } 7284 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7285 SCTP_TCB_LOCK(stcb); 7286 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7287 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7288 } 7289 return (0); 7290} 7291 7292#ifdef INET 7293int 7294sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7295{ 7296 struct sockaddr_in *sin; 7297 uint32_t vrf_id; 7298 struct sctp_inpcb *inp; 7299 struct sctp_ifa *sctp_ifa; 7300 7301 /* 7302 * Do the malloc first in case it blocks. 7303 */ 7304 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7305 if (sin == NULL) 7306 return (ENOMEM); 7307 sin->sin_family = AF_INET; 7308 sin->sin_len = sizeof(*sin); 7309 inp = (struct sctp_inpcb *)so->so_pcb; 7310 if (!inp) { 7311 SCTP_FREE_SONAME(sin); 7312 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7313 return (ECONNRESET); 7314 } 7315 SCTP_INP_RLOCK(inp); 7316 sin->sin_port = inp->sctp_lport; 7317 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7318 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7319 struct sctp_tcb *stcb; 7320 struct sockaddr_in *sin_a; 7321 struct sctp_nets *net; 7322 int fnd; 7323 7324 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7325 if (stcb == NULL) { 7326 goto notConn; 7327 } 7328 fnd = 0; 7329 sin_a = NULL; 7330 SCTP_TCB_LOCK(stcb); 7331 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7332 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7333 if (sin_a == NULL) 7334 /* this will make coverity happy */ 7335 continue; 7336 7337 if (sin_a->sin_family == AF_INET) { 7338 fnd = 1; 7339 break; 7340 } 7341 } 7342 if ((!fnd) || (sin_a == NULL)) { 7343 /* punt */ 7344 SCTP_TCB_UNLOCK(stcb); 7345 goto notConn; 7346 } 7347 vrf_id = inp->def_vrf_id; 7348 sctp_ifa = sctp_source_address_selection(inp, 7349 stcb, 7350 (sctp_route_t *)&net->ro, 7351 net, 0, vrf_id); 7352 if (sctp_ifa) { 7353 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7354 sctp_free_ifa(sctp_ifa); 7355 } 7356 SCTP_TCB_UNLOCK(stcb); 7357 } else { 7358 /* For the bound all case you get back 0 */ 7359 notConn: 7360 sin->sin_addr.s_addr = 0; 7361 } 7362 7363 } else { 7364 /* Take the first IPv4 address in the list */ 7365 struct sctp_laddr *laddr; 7366 int fnd = 0; 7367 7368 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7369 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7370 struct sockaddr_in *sin_a; 7371 7372 sin_a = &laddr->ifa->address.sin; 7373 sin->sin_addr = sin_a->sin_addr; 7374 fnd = 1; 7375 break; 7376 } 7377 } 7378 if (!fnd) { 7379 SCTP_FREE_SONAME(sin); 7380 SCTP_INP_RUNLOCK(inp); 7381 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7382 return (ENOENT); 7383 } 7384 } 7385 SCTP_INP_RUNLOCK(inp); 7386 (*addr) = (struct sockaddr *)sin; 7387 return (0); 7388} 7389 7390int 7391sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7392{ 7393 struct sockaddr_in *sin; 7394 int fnd; 7395 struct sockaddr_in *sin_a; 7396 struct sctp_inpcb *inp; 7397 struct sctp_tcb *stcb; 7398 struct sctp_nets *net; 7399 7400 /* Do the malloc first in case it blocks. */ 7401 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7402 if (sin == NULL) 7403 return (ENOMEM); 7404 sin->sin_family = AF_INET; 7405 sin->sin_len = sizeof(*sin); 7406 7407 inp = (struct sctp_inpcb *)so->so_pcb; 7408 if ((inp == NULL) || 7409 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7410 /* UDP type and listeners will drop out here */ 7411 SCTP_FREE_SONAME(sin); 7412 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7413 return (ENOTCONN); 7414 } 7415 SCTP_INP_RLOCK(inp); 7416 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7417 if (stcb) { 7418 SCTP_TCB_LOCK(stcb); 7419 } 7420 SCTP_INP_RUNLOCK(inp); 7421 if (stcb == NULL) { 7422 SCTP_FREE_SONAME(sin); 7423 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7424 return (ECONNRESET); 7425 } 7426 fnd = 0; 7427 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7428 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7429 if (sin_a->sin_family == AF_INET) { 7430 fnd = 1; 7431 sin->sin_port = stcb->rport; 7432 sin->sin_addr = sin_a->sin_addr; 7433 break; 7434 } 7435 } 7436 SCTP_TCB_UNLOCK(stcb); 7437 if (!fnd) { 7438 /* No IPv4 address */ 7439 SCTP_FREE_SONAME(sin); 7440 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7441 return (ENOENT); 7442 } 7443 (*addr) = (struct sockaddr *)sin; 7444 return (0); 7445} 7446 7447struct pr_usrreqs sctp_usrreqs = { 7448 .pru_abort = sctp_abort, 7449 .pru_accept = sctp_accept, 7450 .pru_attach = sctp_attach, 7451 .pru_bind = sctp_bind, 7452 .pru_connect = sctp_connect, 7453 .pru_control = in_control, 7454 .pru_close = sctp_close, 7455 .pru_detach = sctp_close, 7456 .pru_sopoll = sopoll_generic, 7457 .pru_flush = sctp_flush, 7458 .pru_disconnect = sctp_disconnect, 7459 .pru_listen = sctp_listen, 7460 .pru_peeraddr = sctp_peeraddr, 7461 .pru_send = sctp_sendm, 7462 .pru_shutdown = sctp_shutdown, 7463 .pru_sockaddr = sctp_ingetaddr, 7464 .pru_sosend = sctp_sosend, 7465 .pru_soreceive = sctp_soreceive 7466}; 7467#endif 7468