Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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sys/netinet/sctp_usrreq.c
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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: releng/11.1/sys/netinet/sctp_usrreq.c 319408 2017-06-01 09:21:25Z 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 57 extern const struct sctp_cc_functions sctp_cc_functions[]; 58 extern const struct sctp_ss_functions sctp_ss_functions[]; 59 60 void 61 sctp_init(void) 62 { 63 u_long sb_max_adj; 64 65 /* Initialize and modify the sysctled variables */ 66 sctp_init_sysctls(); 67 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 68 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 69 /* 70 * Allow a user to take no more than 1/2 the number of clusters or 71 * the SB_MAX whichever is smaller for the send window. 72 */ 73 sb_max_adj = (u_long)((u_quad_t)(SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 74 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 75 (((uint32_t)nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT)); 76 /* 77 * Now for the recv window, should we take the same amount? or 78 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 79 * now I will just copy. 80 */ 81 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 82 SCTP_BASE_VAR(first_time) = 0; 83 SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 84 sctp_pcb_init(); 85 #if defined(SCTP_PACKET_LOGGING) 86 SCTP_BASE_VAR(packet_log_writers) = 0; 87 SCTP_BASE_VAR(packet_log_end) = 0; 88 bzero(&SCTP_BASE_VAR(packet_log_buffer), SCTP_PACKET_LOG_SIZE); 89 #endif 90 } 91 92 #ifdef VIMAGE 93 static void 94 sctp_finish(void *unused __unused) 95 { 96 sctp_pcb_finish(); 97 } 98 99 VNET_SYSUNINIT(sctp, SI_SUB_PROTO_DOMAIN, SI_ORDER_FOURTH, sctp_finish, NULL); 100 #endif 101 102 void 103 sctp_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 148 void 149 sctp_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 /* Find the next (smaller) MTU */ 206 if (next_mtu == 0) { 207 /* 208 * Old type router that does not tell us what the 209 * next MTU is. Rats we will have to guess (in a 210 * educated fashion of course). 211 */ 212 next_mtu = sctp_get_prev_mtu(ip_len); 213 } 214 /* Stop the PMTU timer. */ 215 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 216 timer_stopped = 1; 217 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 218 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 219 } else { 220 timer_stopped = 0; 221 } 222 /* Update the path MTU. */ 223 if (net->port) { 224 next_mtu -= sizeof(struct udphdr); 225 } 226 if (net->mtu > next_mtu) { 227 net->mtu = next_mtu; 228 if (net->port) { 229 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu + sizeof(struct udphdr)); 230 } else { 231 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu); 232 } 233 } 234 /* Update the association MTU */ 235 if (stcb->asoc.smallest_mtu > next_mtu) { 236 sctp_pathmtu_adjustment(stcb, next_mtu); 237 } 238 /* Finally, start the PMTU timer if it was running before. */ 239 if (timer_stopped) { 240 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 241 } 242 SCTP_TCB_UNLOCK(stcb); 243 } else { 244 SCTP_TCB_UNLOCK(stcb); 245 } 246 } 247 248 void 249 sctp_ctlinput(int cmd, struct sockaddr *sa, void *vip) 250 { 251 struct ip *outer_ip; 252 struct ip *inner_ip; 253 struct sctphdr *sh; 254 struct icmp *icmp; 255 struct sctp_inpcb *inp; 256 struct sctp_tcb *stcb; 257 struct sctp_nets *net; 258 struct sctp_init_chunk *ch; 259 struct sockaddr_in src, dst; 260 261 if (sa->sa_family != AF_INET || 262 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 263 return; 264 } 265 if (PRC_IS_REDIRECT(cmd)) { 266 vip = NULL; 267 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 268 return; 269 } 270 if (vip != NULL) { 271 inner_ip = (struct ip *)vip; 272 icmp = (struct icmp *)((caddr_t)inner_ip - 273 (sizeof(struct icmp) - sizeof(struct ip))); 274 outer_ip = (struct ip *)((caddr_t)icmp - sizeof(struct ip)); 275 sh = (struct sctphdr *)((caddr_t)inner_ip + (inner_ip->ip_hl << 2)); 276 memset(&src, 0, sizeof(struct sockaddr_in)); 277 src.sin_family = AF_INET; 278 src.sin_len = sizeof(struct sockaddr_in); 279 src.sin_port = sh->src_port; 280 src.sin_addr = inner_ip->ip_src; 281 memset(&dst, 0, sizeof(struct sockaddr_in)); 282 dst.sin_family = AF_INET; 283 dst.sin_len = sizeof(struct sockaddr_in); 284 dst.sin_port = sh->dest_port; 285 dst.sin_addr = inner_ip->ip_dst; 286 /* 287 * 'dst' holds the dest of the packet that failed to be 288 * sent. 'src' holds our local endpoint address. Thus we 289 * reverse the dst and the src in the lookup. 290 */ 291 inp = NULL; 292 net = NULL; 293 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&dst, 294 (struct sockaddr *)&src, 295 &inp, &net, 1, 296 SCTP_DEFAULT_VRFID); 297 if ((stcb != NULL) && 298 (net != NULL) && 299 (inp != NULL)) { 300 /* Check the verification tag */ 301 if (ntohl(sh->v_tag) != 0) { 302 /* 303 * This must be the verification tag used 304 * for sending out packets. We don't 305 * consider packets reflecting the 306 * verification tag. 307 */ 308 if (ntohl(sh->v_tag) != stcb->asoc.peer_vtag) { 309 SCTP_TCB_UNLOCK(stcb); 310 return; 311 } 312 } else { 313 if (ntohs(outer_ip->ip_len) >= 314 sizeof(struct ip) + 315 8 + (inner_ip->ip_hl << 2) + 20) { 316 /* 317 * In this case we can check if we 318 * got an INIT chunk and if the 319 * initiate tag matches. 320 */ 321 ch = (struct sctp_init_chunk *)(sh + 1); 322 if ((ch->ch.chunk_type != SCTP_INITIATION) || 323 (ntohl(ch->init.initiate_tag) != stcb->asoc.my_vtag)) { 324 SCTP_TCB_UNLOCK(stcb); 325 return; 326 } 327 } else { 328 SCTP_TCB_UNLOCK(stcb); 329 return; 330 } 331 } 332 sctp_notify(inp, stcb, net, 333 icmp->icmp_type, 334 icmp->icmp_code, 335 ntohs(inner_ip->ip_len), 336 (uint32_t)ntohs(icmp->icmp_nextmtu)); 337 } else { 338 if ((stcb == NULL) && (inp != NULL)) { 339 /* reduce ref-count */ 340 SCTP_INP_WLOCK(inp); 341 SCTP_INP_DECR_REF(inp); 342 SCTP_INP_WUNLOCK(inp); 343 } 344 if (stcb) { 345 SCTP_TCB_UNLOCK(stcb); 346 } 347 } 348 } 349 return; 350 } 351 #endif 352 353 static int 354 sctp_getcred(SYSCTL_HANDLER_ARGS) 355 { 356 struct xucred xuc; 357 struct sockaddr_in addrs[2]; 358 struct sctp_inpcb *inp; 359 struct sctp_nets *net; 360 struct sctp_tcb *stcb; 361 int error; 362 uint32_t vrf_id; 363 364 /* FIX, for non-bsd is this right? */ 365 vrf_id = SCTP_DEFAULT_VRFID; 366 367 error = priv_check(req->td, PRIV_NETINET_GETCRED); 368 369 if (error) 370 return (error); 371 372 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 373 if (error) 374 return (error); 375 376 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), 377 sintosa(&addrs[0]), 378 &inp, &net, 1, vrf_id); 379 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 380 if ((inp != NULL) && (stcb == NULL)) { 381 /* reduce ref-count */ 382 SCTP_INP_WLOCK(inp); 383 SCTP_INP_DECR_REF(inp); 384 goto cred_can_cont; 385 } 386 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 387 error = ENOENT; 388 goto out; 389 } 390 SCTP_TCB_UNLOCK(stcb); 391 /* 392 * We use the write lock here, only since in the error leg we need 393 * it. If we used RLOCK, then we would have to 394 * wlock/decr/unlock/rlock. Which in theory could create a hole. 395 * Better to use higher wlock. 396 */ 397 SCTP_INP_WLOCK(inp); 398 cred_can_cont: 399 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 400 if (error) { 401 SCTP_INP_WUNLOCK(inp); 402 goto out; 403 } 404 cru2x(inp->sctp_socket->so_cred, &xuc); 405 SCTP_INP_WUNLOCK(inp); 406 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 407 out: 408 return (error); 409 } 410 411 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW, 412 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection"); 413 414 415 #ifdef INET 416 static void 417 sctp_abort(struct socket *so) 418 { 419 struct sctp_inpcb *inp; 420 uint32_t flags; 421 422 inp = (struct sctp_inpcb *)so->so_pcb; 423 if (inp == NULL) { 424 return; 425 } 426 sctp_must_try_again: 427 flags = inp->sctp_flags; 428 #ifdef SCTP_LOG_CLOSING 429 sctp_log_closing(inp, NULL, 17); 430 #endif 431 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 432 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 433 #ifdef SCTP_LOG_CLOSING 434 sctp_log_closing(inp, NULL, 16); 435 #endif 436 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 437 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 438 SOCK_LOCK(so); 439 SCTP_SB_CLEAR(so->so_snd); 440 /* 441 * same for the rcv ones, they are only here for the 442 * accounting/select. 443 */ 444 SCTP_SB_CLEAR(so->so_rcv); 445 446 /* Now null out the reference, we are completely detached. */ 447 so->so_pcb = NULL; 448 SOCK_UNLOCK(so); 449 } else { 450 flags = inp->sctp_flags; 451 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 452 goto sctp_must_try_again; 453 } 454 } 455 return; 456 } 457 458 static int 459 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 460 { 461 struct sctp_inpcb *inp; 462 struct inpcb *ip_inp; 463 int error; 464 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 465 466 inp = (struct sctp_inpcb *)so->so_pcb; 467 if (inp != NULL) { 468 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 469 return (EINVAL); 470 } 471 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 472 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 473 if (error) { 474 return (error); 475 } 476 } 477 error = sctp_inpcb_alloc(so, vrf_id); 478 if (error) { 479 return (error); 480 } 481 inp = (struct sctp_inpcb *)so->so_pcb; 482 SCTP_INP_WLOCK(inp); 483 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 484 ip_inp = &inp->ip_inp.inp; 485 ip_inp->inp_vflag |= INP_IPV4; 486 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 487 SCTP_INP_WUNLOCK(inp); 488 return (0); 489 } 490 491 static int 492 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 493 { 494 struct sctp_inpcb *inp; 495 496 inp = (struct sctp_inpcb *)so->so_pcb; 497 if (inp == NULL) { 498 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 499 return (EINVAL); 500 } 501 if (addr != NULL) { 502 if ((addr->sa_family != AF_INET) || 503 (addr->sa_len != sizeof(struct sockaddr_in))) { 504 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 505 return (EINVAL); 506 } 507 } 508 return (sctp_inpcb_bind(so, addr, NULL, p)); 509 } 510 511 #endif 512 void 513 sctp_close(struct socket *so) 514 { 515 struct sctp_inpcb *inp; 516 uint32_t flags; 517 518 inp = (struct sctp_inpcb *)so->so_pcb; 519 if (inp == NULL) 520 return; 521 522 /* 523 * Inform all the lower layer assoc that we are done. 524 */ 525 sctp_must_try_again: 526 flags = inp->sctp_flags; 527 #ifdef SCTP_LOG_CLOSING 528 sctp_log_closing(inp, NULL, 17); 529 #endif 530 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 531 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 532 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 533 (so->so_rcv.sb_cc > 0)) { 534 #ifdef SCTP_LOG_CLOSING 535 sctp_log_closing(inp, NULL, 13); 536 #endif 537 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 538 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 539 } else { 540 #ifdef SCTP_LOG_CLOSING 541 sctp_log_closing(inp, NULL, 14); 542 #endif 543 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 544 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 545 } 546 /* 547 * The socket is now detached, no matter what the state of 548 * the SCTP association. 549 */ 550 SOCK_LOCK(so); 551 SCTP_SB_CLEAR(so->so_snd); 552 /* 553 * same for the rcv ones, they are only here for the 554 * accounting/select. 555 */ 556 SCTP_SB_CLEAR(so->so_rcv); 557 558 /* Now null out the reference, we are completely detached. */ 559 so->so_pcb = NULL; 560 SOCK_UNLOCK(so); 561 } else { 562 flags = inp->sctp_flags; 563 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 564 goto sctp_must_try_again; 565 } 566 } 567 return; 568 } 569 570 571 int 572 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 573 struct mbuf *control, struct thread *p); 574 575 576 int 577 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 578 struct mbuf *control, struct thread *p) 579 { 580 struct sctp_inpcb *inp; 581 int error; 582 583 inp = (struct sctp_inpcb *)so->so_pcb; 584 if (inp == NULL) { 585 if (control) { 586 sctp_m_freem(control); 587 control = NULL; 588 } 589 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 590 sctp_m_freem(m); 591 return (EINVAL); 592 } 593 /* Got to have an to address if we are NOT a connected socket */ 594 if ((addr == NULL) && 595 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 596 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 597 goto connected_type; 598 } else if (addr == NULL) { 599 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 600 error = EDESTADDRREQ; 601 sctp_m_freem(m); 602 if (control) { 603 sctp_m_freem(control); 604 control = NULL; 605 } 606 return (error); 607 } 608 #ifdef INET6 609 if (addr->sa_family != AF_INET) { 610 /* must be a v4 address! */ 611 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 612 sctp_m_freem(m); 613 if (control) { 614 sctp_m_freem(control); 615 control = NULL; 616 } 617 error = EDESTADDRREQ; 618 return (error); 619 } 620 #endif /* INET6 */ 621 connected_type: 622 /* now what about control */ 623 if (control) { 624 if (inp->control) { 625 SCTP_PRINTF("huh? control set?\n"); 626 sctp_m_freem(inp->control); 627 inp->control = NULL; 628 } 629 inp->control = control; 630 } 631 /* Place the data */ 632 if (inp->pkt) { 633 SCTP_BUF_NEXT(inp->pkt_last) = m; 634 inp->pkt_last = m; 635 } else { 636 inp->pkt_last = inp->pkt = m; 637 } 638 if ( 639 /* FreeBSD uses a flag passed */ 640 ((flags & PRUS_MORETOCOME) == 0) 641 ) { 642 /* 643 * note with the current version this code will only be used 644 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 645 * re-defining sosend to use the sctp_sosend. One can 646 * optionally switch back to this code (by changing back the 647 * definitions) but this is not advisable. This code is used 648 * by FreeBSD when sending a file with sendfile() though. 649 */ 650 int ret; 651 652 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 653 inp->pkt = NULL; 654 inp->control = NULL; 655 return (ret); 656 } else { 657 return (0); 658 } 659 } 660 661 int 662 sctp_disconnect(struct socket *so) 663 { 664 struct sctp_inpcb *inp; 665 666 inp = (struct sctp_inpcb *)so->so_pcb; 667 if (inp == NULL) { 668 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 669 return (ENOTCONN); 670 } 671 SCTP_INP_RLOCK(inp); 672 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 673 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 674 if (LIST_EMPTY(&inp->sctp_asoc_list)) { 675 /* No connection */ 676 SCTP_INP_RUNLOCK(inp); 677 return (0); 678 } else { 679 struct sctp_association *asoc; 680 struct sctp_tcb *stcb; 681 682 stcb = LIST_FIRST(&inp->sctp_asoc_list); 683 if (stcb == NULL) { 684 SCTP_INP_RUNLOCK(inp); 685 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 686 return (EINVAL); 687 } 688 SCTP_TCB_LOCK(stcb); 689 asoc = &stcb->asoc; 690 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 691 /* We are about to be freed, out of here */ 692 SCTP_TCB_UNLOCK(stcb); 693 SCTP_INP_RUNLOCK(inp); 694 return (0); 695 } 696 if (((so->so_options & SO_LINGER) && 697 (so->so_linger == 0)) || 698 (so->so_rcv.sb_cc > 0)) { 699 if (SCTP_GET_STATE(asoc) != 700 SCTP_STATE_COOKIE_WAIT) { 701 /* Left with Data unread */ 702 struct mbuf *err; 703 704 err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_NOWAIT, 1, MT_DATA); 705 if (err) { 706 /* 707 * Fill in the user 708 * initiated abort 709 */ 710 struct sctp_paramhdr *ph; 711 712 ph = mtod(err, struct sctp_paramhdr *); 713 SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr); 714 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT); 715 ph->param_length = htons(SCTP_BUF_LEN(err)); 716 } 717 sctp_send_abort_tcb(stcb, err, SCTP_SO_LOCKED); 718 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 719 } 720 SCTP_INP_RUNLOCK(inp); 721 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 722 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 723 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 724 } 725 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 726 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 727 /* No unlock tcb assoc is gone */ 728 return (0); 729 } 730 if (TAILQ_EMPTY(&asoc->send_queue) && 731 TAILQ_EMPTY(&asoc->sent_queue) && 732 (asoc->stream_queue_cnt == 0)) { 733 /* there is nothing queued to send, so done */ 734 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 735 goto abort_anyway; 736 } 737 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) && 738 (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 739 /* only send SHUTDOWN 1st time thru */ 740 struct sctp_nets *netp; 741 742 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 743 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 744 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 745 } 746 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 747 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 748 sctp_stop_timers_for_shutdown(stcb); 749 if (stcb->asoc.alternate) { 750 netp = stcb->asoc.alternate; 751 } else { 752 netp = stcb->asoc.primary_destination; 753 } 754 sctp_send_shutdown(stcb, netp); 755 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 756 stcb->sctp_ep, stcb, netp); 757 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 758 stcb->sctp_ep, stcb, netp); 759 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 760 } 761 } else { 762 /* 763 * we still got (or just got) data to send, 764 * so set SHUTDOWN_PENDING 765 */ 766 /* 767 * XXX sockets draft says that SCTP_EOF 768 * should be sent with no data. currently, 769 * we will allow user data to be sent first 770 * and move to SHUTDOWN-PENDING 771 */ 772 struct sctp_nets *netp; 773 774 if (stcb->asoc.alternate) { 775 netp = stcb->asoc.alternate; 776 } else { 777 netp = stcb->asoc.primary_destination; 778 } 779 780 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 781 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 782 netp); 783 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 784 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 785 } 786 if (TAILQ_EMPTY(&asoc->send_queue) && 787 TAILQ_EMPTY(&asoc->sent_queue) && 788 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 789 struct mbuf *op_err; 790 791 abort_anyway: 792 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 793 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 794 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 795 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 796 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 797 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 798 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 799 } 800 SCTP_INP_RUNLOCK(inp); 801 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 802 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 803 return (0); 804 } else { 805 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 806 } 807 } 808 soisdisconnecting(so); 809 SCTP_TCB_UNLOCK(stcb); 810 SCTP_INP_RUNLOCK(inp); 811 return (0); 812 } 813 /* not reached */ 814 } else { 815 /* UDP model does not support this */ 816 SCTP_INP_RUNLOCK(inp); 817 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 818 return (EOPNOTSUPP); 819 } 820 } 821 822 int 823 sctp_flush(struct socket *so, int how) 824 { 825 /* 826 * We will just clear out the values and let subsequent close clear 827 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 828 * they will not be able to read the data, the socket will block 829 * that from happening. 830 */ 831 struct sctp_inpcb *inp; 832 833 inp = (struct sctp_inpcb *)so->so_pcb; 834 if (inp == NULL) { 835 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 836 return (EINVAL); 837 } 838 SCTP_INP_RLOCK(inp); 839 /* For the 1 to many model this does nothing */ 840 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 841 SCTP_INP_RUNLOCK(inp); 842 return (0); 843 } 844 SCTP_INP_RUNLOCK(inp); 845 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 846 /* 847 * First make sure the sb will be happy, we don't use these 848 * except maybe the count 849 */ 850 SCTP_INP_WLOCK(inp); 851 SCTP_INP_READ_LOCK(inp); 852 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 853 SCTP_INP_READ_UNLOCK(inp); 854 SCTP_INP_WUNLOCK(inp); 855 so->so_rcv.sb_cc = 0; 856 so->so_rcv.sb_mbcnt = 0; 857 so->so_rcv.sb_mb = NULL; 858 } 859 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 860 /* 861 * First make sure the sb will be happy, we don't use these 862 * except maybe the count 863 */ 864 so->so_snd.sb_cc = 0; 865 so->so_snd.sb_mbcnt = 0; 866 so->so_snd.sb_mb = NULL; 867 868 } 869 return (0); 870 } 871 872 int 873 sctp_shutdown(struct socket *so) 874 { 875 struct sctp_inpcb *inp; 876 877 inp = (struct sctp_inpcb *)so->so_pcb; 878 if (inp == NULL) { 879 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 880 return (EINVAL); 881 } 882 SCTP_INP_RLOCK(inp); 883 /* For UDP model this is a invalid call */ 884 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 885 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 886 /* Restore the flags that the soshutdown took away. */ 887 SOCKBUF_LOCK(&so->so_rcv); 888 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 889 SOCKBUF_UNLOCK(&so->so_rcv); 890 /* This proc will wakeup for read and do nothing (I hope) */ 891 SCTP_INP_RUNLOCK(inp); 892 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 893 return (EOPNOTSUPP); 894 } else { 895 /* 896 * Ok, if we reach here its the TCP model and it is either a 897 * SHUT_WR or SHUT_RDWR. This means we put the shutdown flag 898 * against it. 899 */ 900 struct sctp_tcb *stcb; 901 struct sctp_association *asoc; 902 struct sctp_nets *netp; 903 904 if ((so->so_state & 905 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 906 SCTP_INP_RUNLOCK(inp); 907 return (ENOTCONN); 908 } 909 socantsendmore(so); 910 911 stcb = LIST_FIRST(&inp->sctp_asoc_list); 912 if (stcb == NULL) { 913 /* 914 * Ok, we hit the case that the shutdown call was 915 * made after an abort or something. Nothing to do 916 * now. 917 */ 918 SCTP_INP_RUNLOCK(inp); 919 return (0); 920 } 921 SCTP_TCB_LOCK(stcb); 922 asoc = &stcb->asoc; 923 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) { 924 SCTP_TCB_UNLOCK(stcb); 925 SCTP_INP_RUNLOCK(inp); 926 return (0); 927 } 928 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_COOKIE_WAIT) && 929 (SCTP_GET_STATE(asoc) != SCTP_STATE_COOKIE_ECHOED) && 930 (SCTP_GET_STATE(asoc) != SCTP_STATE_OPEN)) { 931 /* 932 * If we are not in or before ESTABLISHED, there is 933 * no protocol action required. 934 */ 935 SCTP_TCB_UNLOCK(stcb); 936 SCTP_INP_RUNLOCK(inp); 937 return (0); 938 } 939 if (stcb->asoc.alternate) { 940 netp = stcb->asoc.alternate; 941 } else { 942 netp = stcb->asoc.primary_destination; 943 } 944 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) && 945 TAILQ_EMPTY(&asoc->send_queue) && 946 TAILQ_EMPTY(&asoc->sent_queue) && 947 (asoc->stream_queue_cnt == 0)) { 948 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 949 goto abort_anyway; 950 } 951 /* there is nothing queued to send, so I'm done... */ 952 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 953 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 954 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 955 sctp_stop_timers_for_shutdown(stcb); 956 sctp_send_shutdown(stcb, netp); 957 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 958 stcb->sctp_ep, stcb, netp); 959 } else { 960 /* 961 * We still got (or just got) data to send, so set 962 * SHUTDOWN_PENDING. 963 */ 964 SCTP_ADD_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 965 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 966 SCTP_ADD_SUBSTATE(asoc, SCTP_STATE_PARTIAL_MSG_LEFT); 967 } 968 if (TAILQ_EMPTY(&asoc->send_queue) && 969 TAILQ_EMPTY(&asoc->sent_queue) && 970 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 971 struct mbuf *op_err; 972 973 abort_anyway: 974 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 975 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 976 sctp_abort_an_association(stcb->sctp_ep, stcb, 977 op_err, SCTP_SO_LOCKED); 978 SCTP_INP_RUNLOCK(inp); 979 return (0); 980 } 981 } 982 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, netp); 983 /* 984 * XXX: Why do this in the case where we have still data 985 * queued? 986 */ 987 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 988 SCTP_TCB_UNLOCK(stcb); 989 SCTP_INP_RUNLOCK(inp); 990 return (0); 991 } 992 } 993 994 /* 995 * copies a "user" presentable address and removes embedded scope, etc. 996 * returns 0 on success, 1 on error 997 */ 998 static uint32_t 999 sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 1000 { 1001 #ifdef INET6 1002 struct sockaddr_in6 lsa6; 1003 1004 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 1005 &lsa6); 1006 #endif 1007 memcpy(ss, sa, sa->sa_len); 1008 return (0); 1009 } 1010 1011 1012 1013 /* 1014 * NOTE: assumes addr lock is held 1015 */ 1016 static size_t 1017 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1018 struct sctp_tcb *stcb, 1019 size_t limit, 1020 struct sockaddr_storage *sas, 1021 uint32_t vrf_id) 1022 { 1023 struct sctp_ifn *sctp_ifn; 1024 struct sctp_ifa *sctp_ifa; 1025 size_t actual; 1026 int loopback_scope; 1027 #if defined(INET) 1028 int ipv4_local_scope, ipv4_addr_legal; 1029 #endif 1030 #if defined(INET6) 1031 int local_scope, site_scope, ipv6_addr_legal; 1032 #endif 1033 struct sctp_vrf *vrf; 1034 1035 actual = 0; 1036 if (limit <= 0) 1037 return (actual); 1038 1039 if (stcb) { 1040 /* Turn on all the appropriate scope */ 1041 loopback_scope = stcb->asoc.scope.loopback_scope; 1042 #if defined(INET) 1043 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1044 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1045 #endif 1046 #if defined(INET6) 1047 local_scope = stcb->asoc.scope.local_scope; 1048 site_scope = stcb->asoc.scope.site_scope; 1049 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1050 #endif 1051 } else { 1052 /* Use generic values for endpoints. */ 1053 loopback_scope = 1; 1054 #if defined(INET) 1055 ipv4_local_scope = 1; 1056 #endif 1057 #if defined(INET6) 1058 local_scope = 1; 1059 site_scope = 1; 1060 #endif 1061 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1062 #if defined(INET6) 1063 ipv6_addr_legal = 1; 1064 #endif 1065 #if defined(INET) 1066 if (SCTP_IPV6_V6ONLY(inp)) { 1067 ipv4_addr_legal = 0; 1068 } else { 1069 ipv4_addr_legal = 1; 1070 } 1071 #endif 1072 } else { 1073 #if defined(INET6) 1074 ipv6_addr_legal = 0; 1075 #endif 1076 #if defined(INET) 1077 ipv4_addr_legal = 1; 1078 #endif 1079 } 1080 } 1081 vrf = sctp_find_vrf(vrf_id); 1082 if (vrf == NULL) { 1083 return (0); 1084 } 1085 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1086 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1087 if ((loopback_scope == 0) && 1088 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1089 /* Skip loopback if loopback_scope not set */ 1090 continue; 1091 } 1092 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1093 if (stcb) { 1094 /* 1095 * For the BOUND-ALL case, the list 1096 * associated with a TCB is Always 1097 * considered a reverse list.. i.e. 1098 * it lists addresses that are NOT 1099 * part of the association. If this 1100 * is one of those we must skip it. 1101 */ 1102 if (sctp_is_addr_restricted(stcb, 1103 sctp_ifa)) { 1104 continue; 1105 } 1106 } 1107 switch (sctp_ifa->address.sa.sa_family) { 1108 #ifdef INET 1109 case AF_INET: 1110 if (ipv4_addr_legal) { 1111 struct sockaddr_in *sin; 1112 1113 sin = &sctp_ifa->address.sin; 1114 if (sin->sin_addr.s_addr == 0) { 1115 /* 1116 * we skip 1117 * unspecifed 1118 * addresses 1119 */ 1120 continue; 1121 } 1122 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1123 &sin->sin_addr) != 0) { 1124 continue; 1125 } 1126 if ((ipv4_local_scope == 0) && 1127 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1128 continue; 1129 } 1130 #ifdef INET6 1131 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1132 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1133 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1134 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1135 actual += sizeof(struct sockaddr_in6); 1136 } else { 1137 #endif 1138 memcpy(sas, sin, sizeof(*sin)); 1139 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1140 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin)); 1141 actual += sizeof(*sin); 1142 #ifdef INET6 1143 } 1144 #endif 1145 if (actual >= limit) { 1146 return (actual); 1147 } 1148 } else { 1149 continue; 1150 } 1151 break; 1152 #endif 1153 #ifdef INET6 1154 case AF_INET6: 1155 if (ipv6_addr_legal) { 1156 struct sockaddr_in6 *sin6; 1157 1158 sin6 = &sctp_ifa->address.sin6; 1159 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1160 /* 1161 * we skip 1162 * unspecifed 1163 * addresses 1164 */ 1165 continue; 1166 } 1167 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1168 &sin6->sin6_addr) != 0) { 1169 continue; 1170 } 1171 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1172 if (local_scope == 0) 1173 continue; 1174 if (sin6->sin6_scope_id == 0) { 1175 if (sa6_recoverscope(sin6) != 0) 1176 /* 1177 * 1178 * bad 1179 * link 1180 * 1181 * local 1182 * 1183 * address 1184 */ 1185 continue; 1186 } 1187 } 1188 if ((site_scope == 0) && 1189 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1190 continue; 1191 } 1192 memcpy(sas, sin6, sizeof(*sin6)); 1193 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1194 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6)); 1195 actual += sizeof(*sin6); 1196 if (actual >= limit) { 1197 return (actual); 1198 } 1199 } else { 1200 continue; 1201 } 1202 break; 1203 #endif 1204 default: 1205 /* TSNH */ 1206 break; 1207 } 1208 } 1209 } 1210 } else { 1211 struct sctp_laddr *laddr; 1212 1213 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1214 if (stcb) { 1215 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1216 continue; 1217 } 1218 } 1219 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1220 continue; 1221 switch (laddr->ifa->address.sa.sa_family) { 1222 #ifdef INET 1223 case AF_INET: 1224 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1225 break; 1226 #endif 1227 #ifdef INET6 1228 case AF_INET6: 1229 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1230 break; 1231 #endif 1232 default: 1233 /* TSNH */ 1234 break; 1235 } 1236 sas = (struct sockaddr_storage *)((caddr_t)sas + 1237 laddr->ifa->address.sa.sa_len); 1238 actual += laddr->ifa->address.sa.sa_len; 1239 if (actual >= limit) { 1240 return (actual); 1241 } 1242 } 1243 } 1244 return (actual); 1245 } 1246 1247 static size_t 1248 sctp_fill_up_addresses(struct sctp_inpcb *inp, 1249 struct sctp_tcb *stcb, 1250 size_t limit, 1251 struct sockaddr_storage *sas) 1252 { 1253 size_t size = 0; 1254 1255 SCTP_IPI_ADDR_RLOCK(); 1256 /* fill up addresses for the endpoint's default vrf */ 1257 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1258 inp->def_vrf_id); 1259 SCTP_IPI_ADDR_RUNLOCK(); 1260 return (size); 1261 } 1262 1263 /* 1264 * NOTE: assumes addr lock is held 1265 */ 1266 static int 1267 sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1268 { 1269 int cnt = 0; 1270 struct sctp_vrf *vrf = NULL; 1271 1272 /* 1273 * In both sub-set bound an bound_all cases we return the MAXIMUM 1274 * number of addresses that you COULD get. In reality the sub-set 1275 * bound may have an exclusion list for a given TCB OR in the 1276 * bound-all case a TCB may NOT include the loopback or other 1277 * addresses as well. 1278 */ 1279 vrf = sctp_find_vrf(vrf_id); 1280 if (vrf == NULL) { 1281 return (0); 1282 } 1283 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1284 struct sctp_ifn *sctp_ifn; 1285 struct sctp_ifa *sctp_ifa; 1286 1287 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1288 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1289 /* Count them if they are the right type */ 1290 switch (sctp_ifa->address.sa.sa_family) { 1291 #ifdef INET 1292 case AF_INET: 1293 #ifdef INET6 1294 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1295 cnt += sizeof(struct sockaddr_in6); 1296 else 1297 cnt += sizeof(struct sockaddr_in); 1298 #else 1299 cnt += sizeof(struct sockaddr_in); 1300 #endif 1301 break; 1302 #endif 1303 #ifdef INET6 1304 case AF_INET6: 1305 cnt += sizeof(struct sockaddr_in6); 1306 break; 1307 #endif 1308 default: 1309 break; 1310 } 1311 } 1312 } 1313 } else { 1314 struct sctp_laddr *laddr; 1315 1316 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1317 switch (laddr->ifa->address.sa.sa_family) { 1318 #ifdef INET 1319 case AF_INET: 1320 #ifdef INET6 1321 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1322 cnt += sizeof(struct sockaddr_in6); 1323 else 1324 cnt += sizeof(struct sockaddr_in); 1325 #else 1326 cnt += sizeof(struct sockaddr_in); 1327 #endif 1328 break; 1329 #endif 1330 #ifdef INET6 1331 case AF_INET6: 1332 cnt += sizeof(struct sockaddr_in6); 1333 break; 1334 #endif 1335 default: 1336 break; 1337 } 1338 } 1339 } 1340 return (cnt); 1341 } 1342 1343 static int 1344 sctp_count_max_addresses(struct sctp_inpcb *inp) 1345 { 1346 int cnt = 0; 1347 1348 SCTP_IPI_ADDR_RLOCK(); 1349 /* count addresses for the endpoint's default VRF */ 1350 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1351 SCTP_IPI_ADDR_RUNLOCK(); 1352 return (cnt); 1353 } 1354 1355 static int 1356 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1357 size_t optsize, void *p, int delay) 1358 { 1359 int error = 0; 1360 int creat_lock_on = 0; 1361 struct sctp_tcb *stcb = NULL; 1362 struct sockaddr *sa; 1363 unsigned int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1364 uint32_t vrf_id; 1365 int bad_addresses = 0; 1366 sctp_assoc_t *a_id; 1367 1368 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1369 1370 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1371 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1372 /* We are already connected AND the TCP model */ 1373 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1374 return (EADDRINUSE); 1375 } 1376 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1377 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1378 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1379 return (EINVAL); 1380 } 1381 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1382 SCTP_INP_RLOCK(inp); 1383 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1384 SCTP_INP_RUNLOCK(inp); 1385 } 1386 if (stcb) { 1387 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1388 return (EALREADY); 1389 } 1390 SCTP_INP_INCR_REF(inp); 1391 SCTP_ASOC_CREATE_LOCK(inp); 1392 creat_lock_on = 1; 1393 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1394 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1395 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1396 error = EFAULT; 1397 goto out_now; 1398 } 1399 totaddrp = (unsigned int *)optval; 1400 totaddr = *totaddrp; 1401 sa = (struct sockaddr *)(totaddrp + 1); 1402 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (unsigned int)(optsize - sizeof(int)), &bad_addresses); 1403 if ((stcb != NULL) || bad_addresses) { 1404 /* Already have or am bring up an association */ 1405 SCTP_ASOC_CREATE_UNLOCK(inp); 1406 creat_lock_on = 0; 1407 if (stcb) 1408 SCTP_TCB_UNLOCK(stcb); 1409 if (bad_addresses == 0) { 1410 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1411 error = EALREADY; 1412 } 1413 goto out_now; 1414 } 1415 #ifdef INET6 1416 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1417 (num_v6 > 0)) { 1418 error = EINVAL; 1419 goto out_now; 1420 } 1421 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1422 (num_v4 > 0)) { 1423 struct in6pcb *inp6; 1424 1425 inp6 = (struct in6pcb *)inp; 1426 if (SCTP_IPV6_V6ONLY(inp6)) { 1427 /* 1428 * if IPV6_V6ONLY flag, ignore connections destined 1429 * to a v4 addr or v4-mapped addr 1430 */ 1431 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1432 error = EINVAL; 1433 goto out_now; 1434 } 1435 } 1436 #endif /* INET6 */ 1437 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1438 SCTP_PCB_FLAGS_UNBOUND) { 1439 /* Bind a ephemeral port */ 1440 error = sctp_inpcb_bind(so, NULL, NULL, p); 1441 if (error) { 1442 goto out_now; 1443 } 1444 } 1445 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1446 vrf_id = inp->def_vrf_id; 1447 1448 1449 /* We are GOOD to go */ 1450 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1451 inp->sctp_ep.pre_open_stream_count, 1452 inp->sctp_ep.port, 1453 (struct thread *)p 1454 ); 1455 if (stcb == NULL) { 1456 /* Gak! no memory */ 1457 goto out_now; 1458 } 1459 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1460 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1461 /* Set the connected flag so we can queue data */ 1462 soisconnecting(so); 1463 } 1464 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 1465 /* move to second address */ 1466 switch (sa->sa_family) { 1467 #ifdef INET 1468 case AF_INET: 1469 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1470 break; 1471 #endif 1472 #ifdef INET6 1473 case AF_INET6: 1474 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1475 break; 1476 #endif 1477 default: 1478 break; 1479 } 1480 1481 error = 0; 1482 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1483 /* Fill in the return id */ 1484 if (error) { 1485 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, 1486 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 1487 goto out_now; 1488 } 1489 a_id = (sctp_assoc_t *)optval; 1490 *a_id = sctp_get_associd(stcb); 1491 1492 /* initialize authentication parameters for the assoc */ 1493 sctp_initialize_auth_params(inp, stcb); 1494 1495 if (delay) { 1496 /* doing delayed connection */ 1497 stcb->asoc.delayed_connection = 1; 1498 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1499 } else { 1500 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1501 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1502 } 1503 SCTP_TCB_UNLOCK(stcb); 1504 out_now: 1505 if (creat_lock_on) { 1506 SCTP_ASOC_CREATE_UNLOCK(inp); 1507 } 1508 SCTP_INP_DECR_REF(inp); 1509 return (error); 1510 } 1511 1512 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1513 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1514 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1515 SCTP_INP_RLOCK(inp); \ 1516 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1517 if (stcb) { \ 1518 SCTP_TCB_LOCK(stcb); \ 1519 } \ 1520 SCTP_INP_RUNLOCK(inp); \ 1521 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1522 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1523 if (stcb == NULL) { \ 1524 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1525 error = ENOENT; \ 1526 break; \ 1527 } \ 1528 } else { \ 1529 stcb = NULL; \ 1530 } \ 1531 } 1532 1533 1534 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1535 if (size < sizeof(type)) { \ 1536 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1537 error = EINVAL; \ 1538 break; \ 1539 } else { \ 1540 destp = (type *)srcp; \ 1541 } \ 1542 } 1543 1544 static int 1545 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1546 void *p) 1547 { 1548 struct sctp_inpcb *inp = NULL; 1549 int error, val = 0; 1550 struct sctp_tcb *stcb = NULL; 1551 1552 if (optval == NULL) { 1553 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1554 return (EINVAL); 1555 } 1556 inp = (struct sctp_inpcb *)so->so_pcb; 1557 if (inp == NULL) { 1558 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1559 return EINVAL; 1560 } 1561 error = 0; 1562 1563 switch (optname) { 1564 case SCTP_NODELAY: 1565 case SCTP_AUTOCLOSE: 1566 case SCTP_EXPLICIT_EOR: 1567 case SCTP_AUTO_ASCONF: 1568 case SCTP_DISABLE_FRAGMENTS: 1569 case SCTP_I_WANT_MAPPED_V4_ADDR: 1570 case SCTP_USE_EXT_RCVINFO: 1571 SCTP_INP_RLOCK(inp); 1572 switch (optname) { 1573 case SCTP_DISABLE_FRAGMENTS: 1574 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1575 break; 1576 case SCTP_I_WANT_MAPPED_V4_ADDR: 1577 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1578 break; 1579 case SCTP_AUTO_ASCONF: 1580 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1581 /* only valid for bound all sockets */ 1582 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1583 } else { 1584 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1585 error = EINVAL; 1586 goto flags_out; 1587 } 1588 break; 1589 case SCTP_EXPLICIT_EOR: 1590 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1591 break; 1592 case SCTP_NODELAY: 1593 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1594 break; 1595 case SCTP_USE_EXT_RCVINFO: 1596 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1597 break; 1598 case SCTP_AUTOCLOSE: 1599 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1600 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1601 else 1602 val = 0; 1603 break; 1604 1605 default: 1606 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1607 error = ENOPROTOOPT; 1608 } /* end switch (sopt->sopt_name) */ 1609 if (*optsize < sizeof(val)) { 1610 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1611 error = EINVAL; 1612 } 1613 flags_out: 1614 SCTP_INP_RUNLOCK(inp); 1615 if (error == 0) { 1616 /* return the option value */ 1617 *(int *)optval = val; 1618 *optsize = sizeof(val); 1619 } 1620 break; 1621 case SCTP_GET_PACKET_LOG: 1622 { 1623 #ifdef SCTP_PACKET_LOGGING 1624 uint8_t *target; 1625 int ret; 1626 1627 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1628 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1629 *optsize = ret; 1630 #else 1631 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1632 error = EOPNOTSUPP; 1633 #endif 1634 break; 1635 } 1636 case SCTP_REUSE_PORT: 1637 { 1638 uint32_t *value; 1639 1640 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1641 /* Can't do this for a 1-m socket */ 1642 error = EINVAL; 1643 break; 1644 } 1645 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1646 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1647 *optsize = sizeof(uint32_t); 1648 break; 1649 } 1650 case SCTP_PARTIAL_DELIVERY_POINT: 1651 { 1652 uint32_t *value; 1653 1654 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1655 *value = inp->partial_delivery_point; 1656 *optsize = sizeof(uint32_t); 1657 break; 1658 } 1659 case SCTP_FRAGMENT_INTERLEAVE: 1660 { 1661 uint32_t *value; 1662 1663 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1664 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1665 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1666 *value = SCTP_FRAG_LEVEL_2; 1667 } else { 1668 *value = SCTP_FRAG_LEVEL_1; 1669 } 1670 } else { 1671 *value = SCTP_FRAG_LEVEL_0; 1672 } 1673 *optsize = sizeof(uint32_t); 1674 break; 1675 } 1676 case SCTP_INTERLEAVING_SUPPORTED: 1677 { 1678 struct sctp_assoc_value *av; 1679 1680 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1681 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1682 1683 if (stcb) { 1684 av->assoc_value = stcb->asoc.idata_supported; 1685 SCTP_TCB_UNLOCK(stcb); 1686 } else { 1687 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1688 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1689 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1690 SCTP_INP_RLOCK(inp); 1691 if (inp->idata_supported) { 1692 av->assoc_value = 1; 1693 } else { 1694 av->assoc_value = 0; 1695 } 1696 SCTP_INP_RUNLOCK(inp); 1697 } else { 1698 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1699 error = EINVAL; 1700 } 1701 } 1702 if (error == 0) { 1703 *optsize = sizeof(struct sctp_assoc_value); 1704 } 1705 break; 1706 } 1707 case SCTP_CMT_ON_OFF: 1708 { 1709 struct sctp_assoc_value *av; 1710 1711 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1712 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1713 if (stcb) { 1714 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1715 SCTP_TCB_UNLOCK(stcb); 1716 } else { 1717 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1718 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1719 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1720 SCTP_INP_RLOCK(inp); 1721 av->assoc_value = inp->sctp_cmt_on_off; 1722 SCTP_INP_RUNLOCK(inp); 1723 } else { 1724 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1725 error = EINVAL; 1726 } 1727 } 1728 if (error == 0) { 1729 *optsize = sizeof(struct sctp_assoc_value); 1730 } 1731 break; 1732 } 1733 case SCTP_PLUGGABLE_CC: 1734 { 1735 struct sctp_assoc_value *av; 1736 1737 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1738 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1739 if (stcb) { 1740 av->assoc_value = stcb->asoc.congestion_control_module; 1741 SCTP_TCB_UNLOCK(stcb); 1742 } else { 1743 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1744 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1745 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1746 SCTP_INP_RLOCK(inp); 1747 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1748 SCTP_INP_RUNLOCK(inp); 1749 } else { 1750 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1751 error = EINVAL; 1752 } 1753 } 1754 if (error == 0) { 1755 *optsize = sizeof(struct sctp_assoc_value); 1756 } 1757 break; 1758 } 1759 case SCTP_CC_OPTION: 1760 { 1761 struct sctp_cc_option *cc_opt; 1762 1763 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1764 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1765 if (stcb == NULL) { 1766 error = EINVAL; 1767 } else { 1768 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1769 error = ENOTSUP; 1770 } else { 1771 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1772 *optsize = sizeof(struct sctp_cc_option); 1773 } 1774 SCTP_TCB_UNLOCK(stcb); 1775 } 1776 break; 1777 } 1778 case SCTP_PLUGGABLE_SS: 1779 { 1780 struct sctp_assoc_value *av; 1781 1782 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1783 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1784 if (stcb) { 1785 av->assoc_value = stcb->asoc.stream_scheduling_module; 1786 SCTP_TCB_UNLOCK(stcb); 1787 } else { 1788 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1789 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1790 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1791 SCTP_INP_RLOCK(inp); 1792 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1793 SCTP_INP_RUNLOCK(inp); 1794 } else { 1795 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1796 error = EINVAL; 1797 } 1798 } 1799 if (error == 0) { 1800 *optsize = sizeof(struct sctp_assoc_value); 1801 } 1802 break; 1803 } 1804 case SCTP_SS_VALUE: 1805 { 1806 struct sctp_stream_value *av; 1807 1808 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1809 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1810 if (stcb) { 1811 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 1812 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1813 &av->stream_value) < 0)) { 1814 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1815 error = EINVAL; 1816 } else { 1817 *optsize = sizeof(struct sctp_stream_value); 1818 } 1819 SCTP_TCB_UNLOCK(stcb); 1820 } else { 1821 /* 1822 * Can't get stream value without 1823 * association 1824 */ 1825 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1826 error = EINVAL; 1827 } 1828 break; 1829 } 1830 case SCTP_GET_ADDR_LEN: 1831 { 1832 struct sctp_assoc_value *av; 1833 1834 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1835 error = EINVAL; 1836 #ifdef INET 1837 if (av->assoc_value == AF_INET) { 1838 av->assoc_value = sizeof(struct sockaddr_in); 1839 error = 0; 1840 } 1841 #endif 1842 #ifdef INET6 1843 if (av->assoc_value == AF_INET6) { 1844 av->assoc_value = sizeof(struct sockaddr_in6); 1845 error = 0; 1846 } 1847 #endif 1848 if (error) { 1849 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1850 } else { 1851 *optsize = sizeof(struct sctp_assoc_value); 1852 } 1853 break; 1854 } 1855 case SCTP_GET_ASSOC_NUMBER: 1856 { 1857 uint32_t *value, cnt; 1858 1859 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1860 SCTP_INP_RLOCK(inp); 1861 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1862 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1863 /* Can't do this for a 1-1 socket */ 1864 error = EINVAL; 1865 SCTP_INP_RUNLOCK(inp); 1866 break; 1867 } 1868 cnt = 0; 1869 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1870 cnt++; 1871 } 1872 SCTP_INP_RUNLOCK(inp); 1873 *value = cnt; 1874 *optsize = sizeof(uint32_t); 1875 break; 1876 } 1877 case SCTP_GET_ASSOC_ID_LIST: 1878 { 1879 struct sctp_assoc_ids *ids; 1880 uint32_t at; 1881 size_t limit; 1882 1883 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1884 SCTP_INP_RLOCK(inp); 1885 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1886 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1887 /* Can't do this for a 1-1 socket */ 1888 error = EINVAL; 1889 SCTP_INP_RUNLOCK(inp); 1890 break; 1891 } 1892 at = 0; 1893 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1894 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1895 if (at < limit) { 1896 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1897 if (at == 0) { 1898 error = EINVAL; 1899 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1900 break; 1901 } 1902 } else { 1903 error = EINVAL; 1904 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1905 break; 1906 } 1907 } 1908 SCTP_INP_RUNLOCK(inp); 1909 if (error == 0) { 1910 ids->gaids_number_of_ids = at; 1911 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1912 } 1913 break; 1914 } 1915 case SCTP_CONTEXT: 1916 { 1917 struct sctp_assoc_value *av; 1918 1919 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1920 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1921 1922 if (stcb) { 1923 av->assoc_value = stcb->asoc.context; 1924 SCTP_TCB_UNLOCK(stcb); 1925 } else { 1926 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1927 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1928 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 1929 SCTP_INP_RLOCK(inp); 1930 av->assoc_value = inp->sctp_context; 1931 SCTP_INP_RUNLOCK(inp); 1932 } else { 1933 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1934 error = EINVAL; 1935 } 1936 } 1937 if (error == 0) { 1938 *optsize = sizeof(struct sctp_assoc_value); 1939 } 1940 break; 1941 } 1942 case SCTP_VRF_ID: 1943 { 1944 uint32_t *default_vrfid; 1945 1946 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1947 *default_vrfid = inp->def_vrf_id; 1948 *optsize = sizeof(uint32_t); 1949 break; 1950 } 1951 case SCTP_GET_ASOC_VRF: 1952 { 1953 struct sctp_assoc_value *id; 1954 1955 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1956 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1957 if (stcb == NULL) { 1958 error = EINVAL; 1959 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1960 } else { 1961 id->assoc_value = stcb->asoc.vrf_id; 1962 *optsize = sizeof(struct sctp_assoc_value); 1963 } 1964 break; 1965 } 1966 case SCTP_GET_VRF_IDS: 1967 { 1968 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1969 error = EOPNOTSUPP; 1970 break; 1971 } 1972 case SCTP_GET_NONCE_VALUES: 1973 { 1974 struct sctp_get_nonce_values *gnv; 1975 1976 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 1977 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 1978 1979 if (stcb) { 1980 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 1981 gnv->gn_local_tag = stcb->asoc.my_vtag; 1982 SCTP_TCB_UNLOCK(stcb); 1983 *optsize = sizeof(struct sctp_get_nonce_values); 1984 } else { 1985 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 1986 error = ENOTCONN; 1987 } 1988 break; 1989 } 1990 case SCTP_DELAYED_SACK: 1991 { 1992 struct sctp_sack_info *sack; 1993 1994 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 1995 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 1996 if (stcb) { 1997 sack->sack_delay = stcb->asoc.delayed_ack; 1998 sack->sack_freq = stcb->asoc.sack_freq; 1999 SCTP_TCB_UNLOCK(stcb); 2000 } else { 2001 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2002 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2003 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) { 2004 SCTP_INP_RLOCK(inp); 2005 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2006 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2007 SCTP_INP_RUNLOCK(inp); 2008 } else { 2009 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2010 error = EINVAL; 2011 } 2012 } 2013 if (error == 0) { 2014 *optsize = sizeof(struct sctp_sack_info); 2015 } 2016 break; 2017 } 2018 case SCTP_GET_SNDBUF_USE: 2019 { 2020 struct sctp_sockstat *ss; 2021 2022 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2023 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2024 2025 if (stcb) { 2026 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2027 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2028 stcb->asoc.size_on_all_streams); 2029 SCTP_TCB_UNLOCK(stcb); 2030 *optsize = sizeof(struct sctp_sockstat); 2031 } else { 2032 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2033 error = ENOTCONN; 2034 } 2035 break; 2036 } 2037 case SCTP_MAX_BURST: 2038 { 2039 struct sctp_assoc_value *av; 2040 2041 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2042 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2043 2044 if (stcb) { 2045 av->assoc_value = stcb->asoc.max_burst; 2046 SCTP_TCB_UNLOCK(stcb); 2047 } else { 2048 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2049 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2050 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2051 SCTP_INP_RLOCK(inp); 2052 av->assoc_value = inp->sctp_ep.max_burst; 2053 SCTP_INP_RUNLOCK(inp); 2054 } else { 2055 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2056 error = EINVAL; 2057 } 2058 } 2059 if (error == 0) { 2060 *optsize = sizeof(struct sctp_assoc_value); 2061 } 2062 break; 2063 } 2064 case SCTP_MAXSEG: 2065 { 2066 struct sctp_assoc_value *av; 2067 int ovh; 2068 2069 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2070 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2071 2072 if (stcb) { 2073 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2074 SCTP_TCB_UNLOCK(stcb); 2075 } else { 2076 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2077 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2078 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 2079 SCTP_INP_RLOCK(inp); 2080 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2081 ovh = SCTP_MED_OVERHEAD; 2082 } else { 2083 ovh = SCTP_MED_V4_OVERHEAD; 2084 } 2085 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2086 av->assoc_value = 0; 2087 else 2088 av->assoc_value = inp->sctp_frag_point - ovh; 2089 SCTP_INP_RUNLOCK(inp); 2090 } else { 2091 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2092 error = EINVAL; 2093 } 2094 } 2095 if (error == 0) { 2096 *optsize = sizeof(struct sctp_assoc_value); 2097 } 2098 break; 2099 } 2100 case SCTP_GET_STAT_LOG: 2101 error = sctp_fill_stat_log(optval, optsize); 2102 break; 2103 case SCTP_EVENTS: 2104 { 2105 struct sctp_event_subscribe *events; 2106 2107 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2108 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2109 SCTP_INP_RLOCK(inp); 2110 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2111 events->sctp_data_io_event = 1; 2112 2113 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2114 events->sctp_association_event = 1; 2115 2116 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2117 events->sctp_address_event = 1; 2118 2119 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2120 events->sctp_send_failure_event = 1; 2121 2122 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2123 events->sctp_peer_error_event = 1; 2124 2125 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2126 events->sctp_shutdown_event = 1; 2127 2128 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2129 events->sctp_partial_delivery_event = 1; 2130 2131 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2132 events->sctp_adaptation_layer_event = 1; 2133 2134 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2135 events->sctp_authentication_event = 1; 2136 2137 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2138 events->sctp_sender_dry_event = 1; 2139 2140 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2141 events->sctp_stream_reset_event = 1; 2142 SCTP_INP_RUNLOCK(inp); 2143 *optsize = sizeof(struct sctp_event_subscribe); 2144 break; 2145 } 2146 case SCTP_ADAPTATION_LAYER: 2147 { 2148 uint32_t *value; 2149 2150 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2151 2152 SCTP_INP_RLOCK(inp); 2153 *value = inp->sctp_ep.adaptation_layer_indicator; 2154 SCTP_INP_RUNLOCK(inp); 2155 *optsize = sizeof(uint32_t); 2156 break; 2157 } 2158 case SCTP_SET_INITIAL_DBG_SEQ: 2159 { 2160 uint32_t *value; 2161 2162 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2163 SCTP_INP_RLOCK(inp); 2164 *value = inp->sctp_ep.initial_sequence_debug; 2165 SCTP_INP_RUNLOCK(inp); 2166 *optsize = sizeof(uint32_t); 2167 break; 2168 } 2169 case SCTP_GET_LOCAL_ADDR_SIZE: 2170 { 2171 uint32_t *value; 2172 2173 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2174 SCTP_INP_RLOCK(inp); 2175 *value = sctp_count_max_addresses(inp); 2176 SCTP_INP_RUNLOCK(inp); 2177 *optsize = sizeof(uint32_t); 2178 break; 2179 } 2180 case SCTP_GET_REMOTE_ADDR_SIZE: 2181 { 2182 uint32_t *value; 2183 size_t size; 2184 struct sctp_nets *net; 2185 2186 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2187 /* FIXME MT: change to sctp_assoc_value? */ 2188 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 2189 2190 if (stcb) { 2191 size = 0; 2192 /* Count the sizes */ 2193 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2194 switch (net->ro._l_addr.sa.sa_family) { 2195 #ifdef INET 2196 case AF_INET: 2197 #ifdef INET6 2198 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2199 size += sizeof(struct sockaddr_in6); 2200 } else { 2201 size += sizeof(struct sockaddr_in); 2202 } 2203 #else 2204 size += sizeof(struct sockaddr_in); 2205 #endif 2206 break; 2207 #endif 2208 #ifdef INET6 2209 case AF_INET6: 2210 size += sizeof(struct sockaddr_in6); 2211 break; 2212 #endif 2213 default: 2214 break; 2215 } 2216 } 2217 SCTP_TCB_UNLOCK(stcb); 2218 *value = (uint32_t)size; 2219 *optsize = sizeof(uint32_t); 2220 } else { 2221 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2222 error = ENOTCONN; 2223 } 2224 break; 2225 } 2226 case SCTP_GET_PEER_ADDRESSES: 2227 /* 2228 * Get the address information, an array is passed in to 2229 * fill up we pack it. 2230 */ 2231 { 2232 size_t cpsz, left; 2233 struct sockaddr_storage *sas; 2234 struct sctp_nets *net; 2235 struct sctp_getaddresses *saddr; 2236 2237 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2238 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2239 2240 if (stcb) { 2241 left = (*optsize) - sizeof(struct sctp_getaddresses); 2242 *optsize = sizeof(struct sctp_getaddresses); 2243 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2244 2245 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2246 switch (net->ro._l_addr.sa.sa_family) { 2247 #ifdef INET 2248 case AF_INET: 2249 #ifdef INET6 2250 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2251 cpsz = sizeof(struct sockaddr_in6); 2252 } else { 2253 cpsz = sizeof(struct sockaddr_in); 2254 } 2255 #else 2256 cpsz = sizeof(struct sockaddr_in); 2257 #endif 2258 break; 2259 #endif 2260 #ifdef INET6 2261 case AF_INET6: 2262 cpsz = sizeof(struct sockaddr_in6); 2263 break; 2264 #endif 2265 default: 2266 cpsz = 0; 2267 break; 2268 } 2269 if (cpsz == 0) { 2270 break; 2271 } 2272 if (left < cpsz) { 2273 /* not enough room. */ 2274 break; 2275 } 2276 #if defined(INET) && defined(INET6) 2277 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2278 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2279 /* Must map the address */ 2280 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2281 (struct sockaddr_in6 *)sas); 2282 } else { 2283 memcpy(sas, &net->ro._l_addr, cpsz); 2284 } 2285 #else 2286 memcpy(sas, &net->ro._l_addr, cpsz); 2287 #endif 2288 ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2289 2290 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2291 left -= cpsz; 2292 *optsize += cpsz; 2293 } 2294 SCTP_TCB_UNLOCK(stcb); 2295 } else { 2296 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2297 error = ENOENT; 2298 } 2299 break; 2300 } 2301 case SCTP_GET_LOCAL_ADDRESSES: 2302 { 2303 size_t limit, actual; 2304 struct sockaddr_storage *sas; 2305 struct sctp_getaddresses *saddr; 2306 2307 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2308 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2309 2310 sas = (struct sockaddr_storage *)&saddr->addr[0]; 2311 limit = *optsize - sizeof(sctp_assoc_t); 2312 actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2313 if (stcb) { 2314 SCTP_TCB_UNLOCK(stcb); 2315 } 2316 *optsize = sizeof(struct sockaddr_storage) + actual; 2317 break; 2318 } 2319 case SCTP_PEER_ADDR_PARAMS: 2320 { 2321 struct sctp_paddrparams *paddrp; 2322 struct sctp_nets *net; 2323 struct sockaddr *addr; 2324 #if defined(INET) && defined(INET6) 2325 struct sockaddr_in sin_store; 2326 #endif 2327 2328 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2329 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2330 2331 #if defined(INET) && defined(INET6) 2332 if (paddrp->spp_address.ss_family == AF_INET6) { 2333 struct sockaddr_in6 *sin6; 2334 2335 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2336 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2337 in6_sin6_2_sin(&sin_store, sin6); 2338 addr = (struct sockaddr *)&sin_store; 2339 } else { 2340 addr = (struct sockaddr *)&paddrp->spp_address; 2341 } 2342 } else { 2343 addr = (struct sockaddr *)&paddrp->spp_address; 2344 } 2345 #else 2346 addr = (struct sockaddr *)&paddrp->spp_address; 2347 #endif 2348 if (stcb != NULL) { 2349 net = sctp_findnet(stcb, addr); 2350 } else { 2351 /* 2352 * We increment here since 2353 * sctp_findassociation_ep_addr() wil do a 2354 * decrement if it finds the stcb as long as 2355 * the locked tcb (last argument) is NOT a 2356 * TCB.. aka NULL. 2357 */ 2358 net = NULL; 2359 SCTP_INP_INCR_REF(inp); 2360 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2361 if (stcb == NULL) { 2362 SCTP_INP_DECR_REF(inp); 2363 } 2364 } 2365 if ((stcb != NULL) && (net == NULL)) { 2366 #ifdef INET 2367 if (addr->sa_family == AF_INET) { 2368 struct sockaddr_in *sin; 2369 2370 sin = (struct sockaddr_in *)addr; 2371 if (sin->sin_addr.s_addr != INADDR_ANY) { 2372 error = EINVAL; 2373 SCTP_TCB_UNLOCK(stcb); 2374 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2375 break; 2376 } 2377 } else 2378 #endif 2379 #ifdef INET6 2380 if (addr->sa_family == AF_INET6) { 2381 struct sockaddr_in6 *sin6; 2382 2383 sin6 = (struct sockaddr_in6 *)addr; 2384 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2385 error = EINVAL; 2386 SCTP_TCB_UNLOCK(stcb); 2387 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2388 break; 2389 } 2390 } else 2391 #endif 2392 { 2393 error = EAFNOSUPPORT; 2394 SCTP_TCB_UNLOCK(stcb); 2395 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2396 break; 2397 } 2398 } 2399 if (stcb != NULL) { 2400 /* Applies to the specific association */ 2401 paddrp->spp_flags = 0; 2402 if (net != NULL) { 2403 paddrp->spp_hbinterval = net->heart_beat_delay; 2404 paddrp->spp_pathmaxrxt = net->failure_threshold; 2405 paddrp->spp_pathmtu = net->mtu; 2406 switch (net->ro._l_addr.sa.sa_family) { 2407 #ifdef INET 2408 case AF_INET: 2409 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2410 break; 2411 #endif 2412 #ifdef INET6 2413 case AF_INET6: 2414 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2415 break; 2416 #endif 2417 default: 2418 break; 2419 } 2420 /* get flags for HB */ 2421 if (net->dest_state & SCTP_ADDR_NOHB) { 2422 paddrp->spp_flags |= SPP_HB_DISABLE; 2423 } else { 2424 paddrp->spp_flags |= SPP_HB_ENABLE; 2425 } 2426 /* get flags for PMTU */ 2427 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2428 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2429 } else { 2430 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2431 } 2432 if (net->dscp & 0x01) { 2433 paddrp->spp_dscp = net->dscp & 0xfc; 2434 paddrp->spp_flags |= SPP_DSCP; 2435 } 2436 #ifdef INET6 2437 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2438 (net->flowlabel & 0x80000000)) { 2439 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2440 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2441 } 2442 #endif 2443 } else { 2444 /* 2445 * No destination so return default 2446 * value 2447 */ 2448 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2449 paddrp->spp_pathmtu = 0; 2450 if (stcb->asoc.default_dscp & 0x01) { 2451 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2452 paddrp->spp_flags |= SPP_DSCP; 2453 } 2454 #ifdef INET6 2455 if (stcb->asoc.default_flowlabel & 0x80000000) { 2456 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2457 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2458 } 2459 #endif 2460 /* default settings should be these */ 2461 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2462 paddrp->spp_flags |= SPP_HB_DISABLE; 2463 } else { 2464 paddrp->spp_flags |= SPP_HB_ENABLE; 2465 } 2466 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2467 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2468 } else { 2469 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2470 } 2471 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2472 } 2473 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2474 SCTP_TCB_UNLOCK(stcb); 2475 } else { 2476 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2477 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2478 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 2479 /* Use endpoint defaults */ 2480 SCTP_INP_RLOCK(inp); 2481 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2482 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2483 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2484 /* get inp's default */ 2485 if (inp->sctp_ep.default_dscp & 0x01) { 2486 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2487 paddrp->spp_flags |= SPP_DSCP; 2488 } 2489 #ifdef INET6 2490 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2491 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2492 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2493 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2494 } 2495 #endif 2496 /* can't return this */ 2497 paddrp->spp_pathmtu = 0; 2498 2499 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2500 paddrp->spp_flags |= SPP_HB_ENABLE; 2501 } else { 2502 paddrp->spp_flags |= SPP_HB_DISABLE; 2503 } 2504 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2505 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2506 } else { 2507 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2508 } 2509 SCTP_INP_RUNLOCK(inp); 2510 } else { 2511 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2512 error = EINVAL; 2513 } 2514 } 2515 if (error == 0) { 2516 *optsize = sizeof(struct sctp_paddrparams); 2517 } 2518 break; 2519 } 2520 case SCTP_GET_PEER_ADDR_INFO: 2521 { 2522 struct sctp_paddrinfo *paddri; 2523 struct sctp_nets *net; 2524 struct sockaddr *addr; 2525 #if defined(INET) && defined(INET6) 2526 struct sockaddr_in sin_store; 2527 #endif 2528 2529 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2530 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2531 2532 #if defined(INET) && defined(INET6) 2533 if (paddri->spinfo_address.ss_family == AF_INET6) { 2534 struct sockaddr_in6 *sin6; 2535 2536 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2537 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2538 in6_sin6_2_sin(&sin_store, sin6); 2539 addr = (struct sockaddr *)&sin_store; 2540 } else { 2541 addr = (struct sockaddr *)&paddri->spinfo_address; 2542 } 2543 } else { 2544 addr = (struct sockaddr *)&paddri->spinfo_address; 2545 } 2546 #else 2547 addr = (struct sockaddr *)&paddri->spinfo_address; 2548 #endif 2549 if (stcb != NULL) { 2550 net = sctp_findnet(stcb, addr); 2551 } else { 2552 /* 2553 * We increment here since 2554 * sctp_findassociation_ep_addr() wil do a 2555 * decrement if it finds the stcb as long as 2556 * the locked tcb (last argument) is NOT a 2557 * TCB.. aka NULL. 2558 */ 2559 net = NULL; 2560 SCTP_INP_INCR_REF(inp); 2561 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2562 if (stcb == NULL) { 2563 SCTP_INP_DECR_REF(inp); 2564 } 2565 } 2566 2567 if ((stcb != NULL) && (net != NULL)) { 2568 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2569 /* It's unconfirmed */ 2570 paddri->spinfo_state = SCTP_UNCONFIRMED; 2571 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2572 /* It's active */ 2573 paddri->spinfo_state = SCTP_ACTIVE; 2574 } else { 2575 /* It's inactive */ 2576 paddri->spinfo_state = SCTP_INACTIVE; 2577 } 2578 paddri->spinfo_cwnd = net->cwnd; 2579 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2580 paddri->spinfo_rto = net->RTO; 2581 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2582 paddri->spinfo_mtu = net->mtu; 2583 switch (addr->sa_family) { 2584 #if defined(INET) 2585 case AF_INET: 2586 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2587 break; 2588 #endif 2589 #if defined(INET6) 2590 case AF_INET6: 2591 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD; 2592 break; 2593 #endif 2594 default: 2595 break; 2596 } 2597 SCTP_TCB_UNLOCK(stcb); 2598 *optsize = sizeof(struct sctp_paddrinfo); 2599 } else { 2600 if (stcb != NULL) { 2601 SCTP_TCB_UNLOCK(stcb); 2602 } 2603 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2604 error = ENOENT; 2605 } 2606 break; 2607 } 2608 case SCTP_PCB_STATUS: 2609 { 2610 struct sctp_pcbinfo *spcb; 2611 2612 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2613 sctp_fill_pcbinfo(spcb); 2614 *optsize = sizeof(struct sctp_pcbinfo); 2615 break; 2616 } 2617 case SCTP_STATUS: 2618 { 2619 struct sctp_nets *net; 2620 struct sctp_status *sstat; 2621 2622 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2623 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2624 2625 if (stcb == NULL) { 2626 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2627 error = EINVAL; 2628 break; 2629 } 2630 sstat->sstat_state = sctp_map_assoc_state(stcb->asoc.state); 2631 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2632 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2633 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2634 /* 2635 * We can't include chunks that have been passed to 2636 * the socket layer. Only things in queue. 2637 */ 2638 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2639 stcb->asoc.cnt_on_all_streams); 2640 2641 2642 sstat->sstat_instrms = stcb->asoc.streamincnt; 2643 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2644 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2645 memcpy(&sstat->sstat_primary.spinfo_address, 2646 &stcb->asoc.primary_destination->ro._l_addr, 2647 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2648 net = stcb->asoc.primary_destination; 2649 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2650 /* 2651 * Again the user can get info from sctp_constants.h 2652 * for what the state of the network is. 2653 */ 2654 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2655 /* It's unconfirmed */ 2656 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2657 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2658 /* It's active */ 2659 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2660 } else { 2661 /* It's inactive */ 2662 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2663 } 2664 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2665 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2666 sstat->sstat_primary.spinfo_rto = net->RTO; 2667 sstat->sstat_primary.spinfo_mtu = net->mtu; 2668 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) { 2669 #if defined(INET) 2670 case AF_INET: 2671 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2672 break; 2673 #endif 2674 #if defined(INET6) 2675 case AF_INET6: 2676 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD; 2677 break; 2678 #endif 2679 default: 2680 break; 2681 } 2682 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2683 SCTP_TCB_UNLOCK(stcb); 2684 *optsize = sizeof(struct sctp_status); 2685 break; 2686 } 2687 case SCTP_RTOINFO: 2688 { 2689 struct sctp_rtoinfo *srto; 2690 2691 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2692 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2693 2694 if (stcb) { 2695 srto->srto_initial = stcb->asoc.initial_rto; 2696 srto->srto_max = stcb->asoc.maxrto; 2697 srto->srto_min = stcb->asoc.minrto; 2698 SCTP_TCB_UNLOCK(stcb); 2699 } else { 2700 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2701 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2702 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 2703 SCTP_INP_RLOCK(inp); 2704 srto->srto_initial = inp->sctp_ep.initial_rto; 2705 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2706 srto->srto_min = inp->sctp_ep.sctp_minrto; 2707 SCTP_INP_RUNLOCK(inp); 2708 } else { 2709 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2710 error = EINVAL; 2711 } 2712 } 2713 if (error == 0) { 2714 *optsize = sizeof(struct sctp_rtoinfo); 2715 } 2716 break; 2717 } 2718 case SCTP_TIMEOUTS: 2719 { 2720 struct sctp_timeouts *stimo; 2721 2722 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2723 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2724 2725 if (stcb) { 2726 stimo->stimo_init = stcb->asoc.timoinit; 2727 stimo->stimo_data = stcb->asoc.timodata; 2728 stimo->stimo_sack = stcb->asoc.timosack; 2729 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2730 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2731 stimo->stimo_cookie = stcb->asoc.timocookie; 2732 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2733 SCTP_TCB_UNLOCK(stcb); 2734 *optsize = sizeof(struct sctp_timeouts); 2735 } else { 2736 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2737 error = EINVAL; 2738 } 2739 break; 2740 } 2741 case SCTP_ASSOCINFO: 2742 { 2743 struct sctp_assocparams *sasoc; 2744 2745 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2746 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2747 2748 if (stcb) { 2749 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2750 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2751 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2752 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2753 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2754 SCTP_TCB_UNLOCK(stcb); 2755 } else { 2756 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2757 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2758 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 2759 SCTP_INP_RLOCK(inp); 2760 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2761 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2762 sasoc->sasoc_number_peer_destinations = 0; 2763 sasoc->sasoc_peer_rwnd = 0; 2764 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2765 SCTP_INP_RUNLOCK(inp); 2766 } else { 2767 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2768 error = EINVAL; 2769 } 2770 } 2771 if (error == 0) { 2772 *optsize = sizeof(struct sctp_assocparams); 2773 } 2774 break; 2775 } 2776 case SCTP_DEFAULT_SEND_PARAM: 2777 { 2778 struct sctp_sndrcvinfo *s_info; 2779 2780 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2781 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2782 2783 if (stcb) { 2784 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2785 SCTP_TCB_UNLOCK(stcb); 2786 } else { 2787 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2788 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2789 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) { 2790 SCTP_INP_RLOCK(inp); 2791 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2792 SCTP_INP_RUNLOCK(inp); 2793 } else { 2794 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2795 error = EINVAL; 2796 } 2797 } 2798 if (error == 0) { 2799 *optsize = sizeof(struct sctp_sndrcvinfo); 2800 } 2801 break; 2802 } 2803 case SCTP_INITMSG: 2804 { 2805 struct sctp_initmsg *sinit; 2806 2807 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2808 SCTP_INP_RLOCK(inp); 2809 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2810 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2811 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2812 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2813 SCTP_INP_RUNLOCK(inp); 2814 *optsize = sizeof(struct sctp_initmsg); 2815 break; 2816 } 2817 case SCTP_PRIMARY_ADDR: 2818 /* we allow a "get" operation on this */ 2819 { 2820 struct sctp_setprim *ssp; 2821 2822 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2823 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2824 2825 if (stcb) { 2826 union sctp_sockstore *addr; 2827 2828 addr = &stcb->asoc.primary_destination->ro._l_addr; 2829 switch (addr->sa.sa_family) { 2830 #ifdef INET 2831 case AF_INET: 2832 #ifdef INET6 2833 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2834 in6_sin_2_v4mapsin6(&addr->sin, 2835 (struct sockaddr_in6 *)&ssp->ssp_addr); 2836 } else { 2837 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2838 } 2839 #else 2840 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2841 #endif 2842 break; 2843 #endif 2844 #ifdef INET6 2845 case AF_INET6: 2846 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2847 break; 2848 #endif 2849 default: 2850 break; 2851 } 2852 SCTP_TCB_UNLOCK(stcb); 2853 *optsize = sizeof(struct sctp_setprim); 2854 } else { 2855 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2856 error = EINVAL; 2857 } 2858 break; 2859 } 2860 case SCTP_HMAC_IDENT: 2861 { 2862 struct sctp_hmacalgo *shmac; 2863 sctp_hmaclist_t *hmaclist; 2864 uint32_t size; 2865 int i; 2866 2867 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2868 2869 SCTP_INP_RLOCK(inp); 2870 hmaclist = inp->sctp_ep.local_hmacs; 2871 if (hmaclist == NULL) { 2872 /* no HMACs to return */ 2873 *optsize = sizeof(*shmac); 2874 SCTP_INP_RUNLOCK(inp); 2875 break; 2876 } 2877 /* is there room for all of the hmac ids? */ 2878 size = sizeof(*shmac) + (hmaclist->num_algo * 2879 sizeof(shmac->shmac_idents[0])); 2880 if ((size_t)(*optsize) < size) { 2881 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2882 error = EINVAL; 2883 SCTP_INP_RUNLOCK(inp); 2884 break; 2885 } 2886 /* copy in the list */ 2887 shmac->shmac_number_of_idents = hmaclist->num_algo; 2888 for (i = 0; i < hmaclist->num_algo; i++) { 2889 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2890 } 2891 SCTP_INP_RUNLOCK(inp); 2892 *optsize = size; 2893 break; 2894 } 2895 case SCTP_AUTH_ACTIVE_KEY: 2896 { 2897 struct sctp_authkeyid *scact; 2898 2899 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2900 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2901 2902 if (stcb) { 2903 /* get the active key on the assoc */ 2904 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2905 SCTP_TCB_UNLOCK(stcb); 2906 } else { 2907 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2908 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2909 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) { 2910 /* get the endpoint active key */ 2911 SCTP_INP_RLOCK(inp); 2912 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2913 SCTP_INP_RUNLOCK(inp); 2914 } else { 2915 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2916 error = EINVAL; 2917 } 2918 } 2919 if (error == 0) { 2920 *optsize = sizeof(struct sctp_authkeyid); 2921 } 2922 break; 2923 } 2924 case SCTP_LOCAL_AUTH_CHUNKS: 2925 { 2926 struct sctp_authchunks *sac; 2927 sctp_auth_chklist_t *chklist = NULL; 2928 size_t size = 0; 2929 2930 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2931 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2932 2933 if (stcb) { 2934 /* get off the assoc */ 2935 chklist = stcb->asoc.local_auth_chunks; 2936 /* is there enough space? */ 2937 size = sctp_auth_get_chklist_size(chklist); 2938 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2939 error = EINVAL; 2940 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2941 } else { 2942 /* copy in the chunks */ 2943 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2944 sac->gauth_number_of_chunks = (uint32_t)size; 2945 *optsize = sizeof(struct sctp_authchunks) + size; 2946 } 2947 SCTP_TCB_UNLOCK(stcb); 2948 } else { 2949 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2950 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2951 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) { 2952 /* get off the endpoint */ 2953 SCTP_INP_RLOCK(inp); 2954 chklist = inp->sctp_ep.local_auth_chunks; 2955 /* is there enough space? */ 2956 size = sctp_auth_get_chklist_size(chklist); 2957 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2958 error = EINVAL; 2959 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2960 } else { 2961 /* copy in the chunks */ 2962 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2963 sac->gauth_number_of_chunks = (uint32_t)size; 2964 *optsize = sizeof(struct sctp_authchunks) + size; 2965 } 2966 SCTP_INP_RUNLOCK(inp); 2967 } else { 2968 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2969 error = EINVAL; 2970 } 2971 } 2972 break; 2973 } 2974 case SCTP_PEER_AUTH_CHUNKS: 2975 { 2976 struct sctp_authchunks *sac; 2977 sctp_auth_chklist_t *chklist = NULL; 2978 size_t size = 0; 2979 2980 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2981 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2982 2983 if (stcb) { 2984 /* get off the assoc */ 2985 chklist = stcb->asoc.peer_auth_chunks; 2986 /* is there enough space? */ 2987 size = sctp_auth_get_chklist_size(chklist); 2988 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2989 error = EINVAL; 2990 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2991 } else { 2992 /* copy in the chunks */ 2993 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2994 sac->gauth_number_of_chunks = (uint32_t)size; 2995 *optsize = sizeof(struct sctp_authchunks) + size; 2996 } 2997 SCTP_TCB_UNLOCK(stcb); 2998 } else { 2999 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 3000 error = ENOENT; 3001 } 3002 break; 3003 } 3004 case SCTP_EVENT: 3005 { 3006 struct sctp_event *event; 3007 uint32_t event_type; 3008 3009 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 3010 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 3011 3012 switch (event->se_type) { 3013 case SCTP_ASSOC_CHANGE: 3014 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 3015 break; 3016 case SCTP_PEER_ADDR_CHANGE: 3017 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 3018 break; 3019 case SCTP_REMOTE_ERROR: 3020 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 3021 break; 3022 case SCTP_SEND_FAILED: 3023 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 3024 break; 3025 case SCTP_SHUTDOWN_EVENT: 3026 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 3027 break; 3028 case SCTP_ADAPTATION_INDICATION: 3029 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 3030 break; 3031 case SCTP_PARTIAL_DELIVERY_EVENT: 3032 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3033 break; 3034 case SCTP_AUTHENTICATION_EVENT: 3035 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3036 break; 3037 case SCTP_STREAM_RESET_EVENT: 3038 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3039 break; 3040 case SCTP_SENDER_DRY_EVENT: 3041 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3042 break; 3043 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3044 event_type = 0; 3045 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3046 error = ENOTSUP; 3047 break; 3048 case SCTP_ASSOC_RESET_EVENT: 3049 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3050 break; 3051 case SCTP_STREAM_CHANGE_EVENT: 3052 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3053 break; 3054 case SCTP_SEND_FAILED_EVENT: 3055 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3056 break; 3057 default: 3058 event_type = 0; 3059 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3060 error = EINVAL; 3061 break; 3062 } 3063 if (event_type > 0) { 3064 if (stcb) { 3065 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3066 SCTP_TCB_UNLOCK(stcb); 3067 } else { 3068 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3069 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3070 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) { 3071 SCTP_INP_RLOCK(inp); 3072 event->se_on = sctp_is_feature_on(inp, event_type); 3073 SCTP_INP_RUNLOCK(inp); 3074 } else { 3075 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3076 error = EINVAL; 3077 } 3078 } 3079 } 3080 if (error == 0) { 3081 *optsize = sizeof(struct sctp_event); 3082 } 3083 break; 3084 } 3085 case SCTP_RECVRCVINFO: 3086 { 3087 int onoff; 3088 3089 if (*optsize < sizeof(int)) { 3090 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3091 error = EINVAL; 3092 } else { 3093 SCTP_INP_RLOCK(inp); 3094 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3095 SCTP_INP_RUNLOCK(inp); 3096 } 3097 if (error == 0) { 3098 /* return the option value */ 3099 *(int *)optval = onoff; 3100 *optsize = sizeof(int); 3101 } 3102 break; 3103 } 3104 case SCTP_RECVNXTINFO: 3105 { 3106 int onoff; 3107 3108 if (*optsize < sizeof(int)) { 3109 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3110 error = EINVAL; 3111 } else { 3112 SCTP_INP_RLOCK(inp); 3113 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3114 SCTP_INP_RUNLOCK(inp); 3115 } 3116 if (error == 0) { 3117 /* return the option value */ 3118 *(int *)optval = onoff; 3119 *optsize = sizeof(int); 3120 } 3121 break; 3122 } 3123 case SCTP_DEFAULT_SNDINFO: 3124 { 3125 struct sctp_sndinfo *info; 3126 3127 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3128 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3129 3130 if (stcb) { 3131 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3132 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3133 info->snd_flags &= 0xfff0; 3134 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3135 info->snd_context = stcb->asoc.def_send.sinfo_context; 3136 SCTP_TCB_UNLOCK(stcb); 3137 } else { 3138 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3139 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3140 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) { 3141 SCTP_INP_RLOCK(inp); 3142 info->snd_sid = inp->def_send.sinfo_stream; 3143 info->snd_flags = inp->def_send.sinfo_flags; 3144 info->snd_flags &= 0xfff0; 3145 info->snd_ppid = inp->def_send.sinfo_ppid; 3146 info->snd_context = inp->def_send.sinfo_context; 3147 SCTP_INP_RUNLOCK(inp); 3148 } else { 3149 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3150 error = EINVAL; 3151 } 3152 } 3153 if (error == 0) { 3154 *optsize = sizeof(struct sctp_sndinfo); 3155 } 3156 break; 3157 } 3158 case SCTP_DEFAULT_PRINFO: 3159 { 3160 struct sctp_default_prinfo *info; 3161 3162 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3163 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3164 3165 if (stcb) { 3166 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3167 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3168 SCTP_TCB_UNLOCK(stcb); 3169 } else { 3170 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3171 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3172 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) { 3173 SCTP_INP_RLOCK(inp); 3174 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3175 info->pr_value = inp->def_send.sinfo_timetolive; 3176 SCTP_INP_RUNLOCK(inp); 3177 } else { 3178 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3179 error = EINVAL; 3180 } 3181 } 3182 if (error == 0) { 3183 *optsize = sizeof(struct sctp_default_prinfo); 3184 } 3185 break; 3186 } 3187 case SCTP_PEER_ADDR_THLDS: 3188 { 3189 struct sctp_paddrthlds *thlds; 3190 struct sctp_nets *net; 3191 struct sockaddr *addr; 3192 #if defined(INET) && defined(INET6) 3193 struct sockaddr_in sin_store; 3194 #endif 3195 3196 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3197 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3198 3199 #if defined(INET) && defined(INET6) 3200 if (thlds->spt_address.ss_family == AF_INET6) { 3201 struct sockaddr_in6 *sin6; 3202 3203 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3204 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3205 in6_sin6_2_sin(&sin_store, sin6); 3206 addr = (struct sockaddr *)&sin_store; 3207 } else { 3208 addr = (struct sockaddr *)&thlds->spt_address; 3209 } 3210 } else { 3211 addr = (struct sockaddr *)&thlds->spt_address; 3212 } 3213 #else 3214 addr = (struct sockaddr *)&thlds->spt_address; 3215 #endif 3216 if (stcb != NULL) { 3217 net = sctp_findnet(stcb, addr); 3218 } else { 3219 /* 3220 * We increment here since 3221 * sctp_findassociation_ep_addr() wil do a 3222 * decrement if it finds the stcb as long as 3223 * the locked tcb (last argument) is NOT a 3224 * TCB.. aka NULL. 3225 */ 3226 net = NULL; 3227 SCTP_INP_INCR_REF(inp); 3228 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3229 if (stcb == NULL) { 3230 SCTP_INP_DECR_REF(inp); 3231 } 3232 } 3233 if ((stcb != NULL) && (net == NULL)) { 3234 #ifdef INET 3235 if (addr->sa_family == AF_INET) { 3236 struct sockaddr_in *sin; 3237 3238 sin = (struct sockaddr_in *)addr; 3239 if (sin->sin_addr.s_addr != INADDR_ANY) { 3240 error = EINVAL; 3241 SCTP_TCB_UNLOCK(stcb); 3242 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3243 break; 3244 } 3245 } else 3246 #endif 3247 #ifdef INET6 3248 if (addr->sa_family == AF_INET6) { 3249 struct sockaddr_in6 *sin6; 3250 3251 sin6 = (struct sockaddr_in6 *)addr; 3252 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3253 error = EINVAL; 3254 SCTP_TCB_UNLOCK(stcb); 3255 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3256 break; 3257 } 3258 } else 3259 #endif 3260 { 3261 error = EAFNOSUPPORT; 3262 SCTP_TCB_UNLOCK(stcb); 3263 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3264 break; 3265 } 3266 } 3267 if (stcb != NULL) { 3268 if (net != NULL) { 3269 thlds->spt_pathmaxrxt = net->failure_threshold; 3270 thlds->spt_pathpfthld = net->pf_threshold; 3271 thlds->spt_pathcpthld = 0xffff; 3272 } else { 3273 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3274 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3275 thlds->spt_pathcpthld = 0xffff; 3276 } 3277 thlds->spt_assoc_id = sctp_get_associd(stcb); 3278 SCTP_TCB_UNLOCK(stcb); 3279 } else { 3280 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3281 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3282 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 3283 /* Use endpoint defaults */ 3284 SCTP_INP_RLOCK(inp); 3285 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3286 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3287 thlds->spt_pathcpthld = 0xffff; 3288 SCTP_INP_RUNLOCK(inp); 3289 } else { 3290 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3291 error = EINVAL; 3292 } 3293 } 3294 if (error == 0) { 3295 *optsize = sizeof(struct sctp_paddrthlds); 3296 } 3297 break; 3298 } 3299 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3300 { 3301 struct sctp_udpencaps *encaps; 3302 struct sctp_nets *net; 3303 struct sockaddr *addr; 3304 #if defined(INET) && defined(INET6) 3305 struct sockaddr_in sin_store; 3306 #endif 3307 3308 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3309 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3310 3311 #if defined(INET) && defined(INET6) 3312 if (encaps->sue_address.ss_family == AF_INET6) { 3313 struct sockaddr_in6 *sin6; 3314 3315 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3316 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3317 in6_sin6_2_sin(&sin_store, sin6); 3318 addr = (struct sockaddr *)&sin_store; 3319 } else { 3320 addr = (struct sockaddr *)&encaps->sue_address; 3321 } 3322 } else { 3323 addr = (struct sockaddr *)&encaps->sue_address; 3324 } 3325 #else 3326 addr = (struct sockaddr *)&encaps->sue_address; 3327 #endif 3328 if (stcb) { 3329 net = sctp_findnet(stcb, addr); 3330 } else { 3331 /* 3332 * We increment here since 3333 * sctp_findassociation_ep_addr() wil do a 3334 * decrement if it finds the stcb as long as 3335 * the locked tcb (last argument) is NOT a 3336 * TCB.. aka NULL. 3337 */ 3338 net = NULL; 3339 SCTP_INP_INCR_REF(inp); 3340 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3341 if (stcb == NULL) { 3342 SCTP_INP_DECR_REF(inp); 3343 } 3344 } 3345 if ((stcb != NULL) && (net == NULL)) { 3346 #ifdef INET 3347 if (addr->sa_family == AF_INET) { 3348 struct sockaddr_in *sin; 3349 3350 sin = (struct sockaddr_in *)addr; 3351 if (sin->sin_addr.s_addr != INADDR_ANY) { 3352 error = EINVAL; 3353 SCTP_TCB_UNLOCK(stcb); 3354 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3355 break; 3356 } 3357 } else 3358 #endif 3359 #ifdef INET6 3360 if (addr->sa_family == AF_INET6) { 3361 struct sockaddr_in6 *sin6; 3362 3363 sin6 = (struct sockaddr_in6 *)addr; 3364 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3365 error = EINVAL; 3366 SCTP_TCB_UNLOCK(stcb); 3367 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3368 break; 3369 } 3370 } else 3371 #endif 3372 { 3373 error = EAFNOSUPPORT; 3374 SCTP_TCB_UNLOCK(stcb); 3375 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3376 break; 3377 } 3378 } 3379 if (stcb != NULL) { 3380 if (net) { 3381 encaps->sue_port = net->port; 3382 } else { 3383 encaps->sue_port = stcb->asoc.port; 3384 } 3385 SCTP_TCB_UNLOCK(stcb); 3386 } else { 3387 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3388 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3389 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 3390 SCTP_INP_RLOCK(inp); 3391 encaps->sue_port = inp->sctp_ep.port; 3392 SCTP_INP_RUNLOCK(inp); 3393 } else { 3394 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3395 error = EINVAL; 3396 } 3397 } 3398 if (error == 0) { 3399 *optsize = sizeof(struct sctp_udpencaps); 3400 } 3401 break; 3402 } 3403 case SCTP_ECN_SUPPORTED: 3404 { 3405 struct sctp_assoc_value *av; 3406 3407 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3408 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3409 3410 if (stcb) { 3411 av->assoc_value = stcb->asoc.ecn_supported; 3412 SCTP_TCB_UNLOCK(stcb); 3413 } else { 3414 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3415 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3416 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3417 SCTP_INP_RLOCK(inp); 3418 av->assoc_value = inp->ecn_supported; 3419 SCTP_INP_RUNLOCK(inp); 3420 } else { 3421 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3422 error = EINVAL; 3423 } 3424 } 3425 if (error == 0) { 3426 *optsize = sizeof(struct sctp_assoc_value); 3427 } 3428 break; 3429 } 3430 case SCTP_PR_SUPPORTED: 3431 { 3432 struct sctp_assoc_value *av; 3433 3434 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3435 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3436 3437 if (stcb) { 3438 av->assoc_value = stcb->asoc.prsctp_supported; 3439 SCTP_TCB_UNLOCK(stcb); 3440 } else { 3441 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3442 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3443 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3444 SCTP_INP_RLOCK(inp); 3445 av->assoc_value = inp->prsctp_supported; 3446 SCTP_INP_RUNLOCK(inp); 3447 } else { 3448 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3449 error = EINVAL; 3450 } 3451 } 3452 if (error == 0) { 3453 *optsize = sizeof(struct sctp_assoc_value); 3454 } 3455 break; 3456 } 3457 case SCTP_AUTH_SUPPORTED: 3458 { 3459 struct sctp_assoc_value *av; 3460 3461 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3462 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3463 3464 if (stcb) { 3465 av->assoc_value = stcb->asoc.auth_supported; 3466 SCTP_TCB_UNLOCK(stcb); 3467 } else { 3468 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3469 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3470 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3471 SCTP_INP_RLOCK(inp); 3472 av->assoc_value = inp->auth_supported; 3473 SCTP_INP_RUNLOCK(inp); 3474 } else { 3475 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3476 error = EINVAL; 3477 } 3478 } 3479 if (error == 0) { 3480 *optsize = sizeof(struct sctp_assoc_value); 3481 } 3482 break; 3483 } 3484 case SCTP_ASCONF_SUPPORTED: 3485 { 3486 struct sctp_assoc_value *av; 3487 3488 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3489 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3490 3491 if (stcb) { 3492 av->assoc_value = stcb->asoc.asconf_supported; 3493 SCTP_TCB_UNLOCK(stcb); 3494 } else { 3495 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3496 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3497 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3498 SCTP_INP_RLOCK(inp); 3499 av->assoc_value = inp->asconf_supported; 3500 SCTP_INP_RUNLOCK(inp); 3501 } else { 3502 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3503 error = EINVAL; 3504 } 3505 } 3506 if (error == 0) { 3507 *optsize = sizeof(struct sctp_assoc_value); 3508 } 3509 break; 3510 } 3511 case SCTP_RECONFIG_SUPPORTED: 3512 { 3513 struct sctp_assoc_value *av; 3514 3515 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3516 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3517 3518 if (stcb) { 3519 av->assoc_value = stcb->asoc.reconfig_supported; 3520 SCTP_TCB_UNLOCK(stcb); 3521 } else { 3522 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3523 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3524 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3525 SCTP_INP_RLOCK(inp); 3526 av->assoc_value = inp->reconfig_supported; 3527 SCTP_INP_RUNLOCK(inp); 3528 } else { 3529 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3530 error = EINVAL; 3531 } 3532 } 3533 if (error == 0) { 3534 *optsize = sizeof(struct sctp_assoc_value); 3535 } 3536 break; 3537 } 3538 case SCTP_NRSACK_SUPPORTED: 3539 { 3540 struct sctp_assoc_value *av; 3541 3542 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3543 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3544 3545 if (stcb) { 3546 av->assoc_value = stcb->asoc.nrsack_supported; 3547 SCTP_TCB_UNLOCK(stcb); 3548 } else { 3549 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3550 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3551 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3552 SCTP_INP_RLOCK(inp); 3553 av->assoc_value = inp->nrsack_supported; 3554 SCTP_INP_RUNLOCK(inp); 3555 } else { 3556 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3557 error = EINVAL; 3558 } 3559 } 3560 if (error == 0) { 3561 *optsize = sizeof(struct sctp_assoc_value); 3562 } 3563 break; 3564 } 3565 case SCTP_PKTDROP_SUPPORTED: 3566 { 3567 struct sctp_assoc_value *av; 3568 3569 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3570 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3571 3572 if (stcb) { 3573 av->assoc_value = stcb->asoc.pktdrop_supported; 3574 SCTP_TCB_UNLOCK(stcb); 3575 } else { 3576 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3577 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3578 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3579 SCTP_INP_RLOCK(inp); 3580 av->assoc_value = inp->pktdrop_supported; 3581 SCTP_INP_RUNLOCK(inp); 3582 } else { 3583 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3584 error = EINVAL; 3585 } 3586 } 3587 if (error == 0) { 3588 *optsize = sizeof(struct sctp_assoc_value); 3589 } 3590 break; 3591 } 3592 case SCTP_ENABLE_STREAM_RESET: 3593 { 3594 struct sctp_assoc_value *av; 3595 3596 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3597 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3598 3599 if (stcb) { 3600 av->assoc_value = (uint32_t)stcb->asoc.local_strreset_support; 3601 SCTP_TCB_UNLOCK(stcb); 3602 } else { 3603 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3604 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3605 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3606 SCTP_INP_RLOCK(inp); 3607 av->assoc_value = (uint32_t)inp->local_strreset_support; 3608 SCTP_INP_RUNLOCK(inp); 3609 } else { 3610 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3611 error = EINVAL; 3612 } 3613 } 3614 if (error == 0) { 3615 *optsize = sizeof(struct sctp_assoc_value); 3616 } 3617 break; 3618 } 3619 case SCTP_PR_STREAM_STATUS: 3620 { 3621 struct sctp_prstatus *sprstat; 3622 uint16_t sid; 3623 uint16_t policy; 3624 3625 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3626 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3627 3628 sid = sprstat->sprstat_sid; 3629 policy = sprstat->sprstat_policy; 3630 #if defined(SCTP_DETAILED_STR_STATS) 3631 if ((stcb != NULL) && 3632 (sid < stcb->asoc.streamoutcnt) && 3633 (policy != SCTP_PR_SCTP_NONE) && 3634 ((policy <= SCTP_PR_SCTP_MAX) || 3635 (policy == SCTP_PR_SCTP_ALL))) { 3636 if (policy == SCTP_PR_SCTP_ALL) { 3637 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3638 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3639 } else { 3640 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3641 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3642 } 3643 #else 3644 if ((stcb != NULL) && 3645 (sid < stcb->asoc.streamoutcnt) && 3646 (policy == SCTP_PR_SCTP_ALL)) { 3647 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3648 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3649 #endif 3650 SCTP_TCB_UNLOCK(stcb); 3651 *optsize = sizeof(struct sctp_prstatus); 3652 } else { 3653 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3654 error = EINVAL; 3655 } 3656 break; 3657 } 3658 case SCTP_PR_ASSOC_STATUS: 3659 { 3660 struct sctp_prstatus *sprstat; 3661 uint16_t policy; 3662 3663 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3664 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3665 3666 policy = sprstat->sprstat_policy; 3667 if ((stcb != NULL) && 3668 (policy != SCTP_PR_SCTP_NONE) && 3669 ((policy <= SCTP_PR_SCTP_MAX) || 3670 (policy == SCTP_PR_SCTP_ALL))) { 3671 if (policy == SCTP_PR_SCTP_ALL) { 3672 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3673 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3674 } else { 3675 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3676 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3677 } 3678 SCTP_TCB_UNLOCK(stcb); 3679 *optsize = sizeof(struct sctp_prstatus); 3680 } else { 3681 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3682 error = EINVAL; 3683 } 3684 break; 3685 } 3686 case SCTP_MAX_CWND: 3687 { 3688 struct sctp_assoc_value *av; 3689 3690 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3691 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3692 3693 if (stcb) { 3694 av->assoc_value = stcb->asoc.max_cwnd; 3695 SCTP_TCB_UNLOCK(stcb); 3696 } else { 3697 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3698 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3699 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3700 SCTP_INP_RLOCK(inp); 3701 av->assoc_value = inp->max_cwnd; 3702 SCTP_INP_RUNLOCK(inp); 3703 } else { 3704 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3705 error = EINVAL; 3706 } 3707 } 3708 if (error == 0) { 3709 *optsize = sizeof(struct sctp_assoc_value); 3710 } 3711 break; 3712 } 3713 default: 3714 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3715 error = ENOPROTOOPT; 3716 break; 3717 } /* end switch (sopt->sopt_name) */ 3718 if (error) { 3719 *optsize = 0; 3720 } 3721 return (error); 3722 } 3723 3724 static int 3725 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3726 void *p) 3727 { 3728 int error, set_opt; 3729 uint32_t *mopt; 3730 struct sctp_tcb *stcb = NULL; 3731 struct sctp_inpcb *inp = NULL; 3732 uint32_t vrf_id; 3733 3734 if (optval == NULL) { 3735 SCTP_PRINTF("optval is NULL\n"); 3736 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3737 return (EINVAL); 3738 } 3739 inp = (struct sctp_inpcb *)so->so_pcb; 3740 if (inp == NULL) { 3741 SCTP_PRINTF("inp is NULL?\n"); 3742 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3743 return (EINVAL); 3744 } 3745 vrf_id = inp->def_vrf_id; 3746 3747 error = 0; 3748 switch (optname) { 3749 case SCTP_NODELAY: 3750 case SCTP_AUTOCLOSE: 3751 case SCTP_AUTO_ASCONF: 3752 case SCTP_EXPLICIT_EOR: 3753 case SCTP_DISABLE_FRAGMENTS: 3754 case SCTP_USE_EXT_RCVINFO: 3755 case SCTP_I_WANT_MAPPED_V4_ADDR: 3756 /* copy in the option value */ 3757 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3758 set_opt = 0; 3759 if (error) 3760 break; 3761 switch (optname) { 3762 case SCTP_DISABLE_FRAGMENTS: 3763 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3764 break; 3765 case SCTP_AUTO_ASCONF: 3766 /* 3767 * NOTE: we don't really support this flag 3768 */ 3769 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3770 /* only valid for bound all sockets */ 3771 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3772 (*mopt != 0)) { 3773 /* forbidden by admin */ 3774 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3775 return (EPERM); 3776 } 3777 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3778 } else { 3779 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3780 return (EINVAL); 3781 } 3782 break; 3783 case SCTP_EXPLICIT_EOR: 3784 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3785 break; 3786 case SCTP_USE_EXT_RCVINFO: 3787 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3788 break; 3789 case SCTP_I_WANT_MAPPED_V4_ADDR: 3790 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3791 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3792 } else { 3793 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3794 return (EINVAL); 3795 } 3796 break; 3797 case SCTP_NODELAY: 3798 set_opt = SCTP_PCB_FLAGS_NODELAY; 3799 break; 3800 case SCTP_AUTOCLOSE: 3801 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3802 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3803 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3804 return (EINVAL); 3805 } 3806 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3807 /* 3808 * The value is in ticks. Note this does not effect 3809 * old associations, only new ones. 3810 */ 3811 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3812 break; 3813 } 3814 SCTP_INP_WLOCK(inp); 3815 if (*mopt != 0) { 3816 sctp_feature_on(inp, set_opt); 3817 } else { 3818 sctp_feature_off(inp, set_opt); 3819 } 3820 SCTP_INP_WUNLOCK(inp); 3821 break; 3822 case SCTP_REUSE_PORT: 3823 { 3824 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3825 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3826 /* Can't set it after we are bound */ 3827 error = EINVAL; 3828 break; 3829 } 3830 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3831 /* Can't do this for a 1-m socket */ 3832 error = EINVAL; 3833 break; 3834 } 3835 if (optval) 3836 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3837 else 3838 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3839 break; 3840 } 3841 case SCTP_PARTIAL_DELIVERY_POINT: 3842 { 3843 uint32_t *value; 3844 3845 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3846 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3847 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3848 error = EINVAL; 3849 break; 3850 } 3851 inp->partial_delivery_point = *value; 3852 break; 3853 } 3854 case SCTP_FRAGMENT_INTERLEAVE: 3855 /* not yet until we re-write sctp_recvmsg() */ 3856 { 3857 uint32_t *level; 3858 3859 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3860 if (*level == SCTP_FRAG_LEVEL_2) { 3861 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3862 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3863 } else if (*level == SCTP_FRAG_LEVEL_1) { 3864 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3865 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3866 } else if (*level == SCTP_FRAG_LEVEL_0) { 3867 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3868 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3869 3870 } else { 3871 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3872 error = EINVAL; 3873 } 3874 break; 3875 } 3876 case SCTP_INTERLEAVING_SUPPORTED: 3877 { 3878 struct sctp_assoc_value *av; 3879 3880 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3881 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3882 3883 if (stcb) { 3884 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3885 error = EINVAL; 3886 SCTP_TCB_UNLOCK(stcb); 3887 } else { 3888 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3889 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3890 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 3891 SCTP_INP_WLOCK(inp); 3892 if (av->assoc_value == 0) { 3893 inp->idata_supported = 0; 3894 } else { 3895 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) && 3896 (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS))) { 3897 inp->idata_supported = 1; 3898 } else { 3899 /* 3900 * Must have Frag 3901 * interleave and 3902 * stream interleave 3903 * on 3904 */ 3905 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3906 error = EINVAL; 3907 } 3908 } 3909 SCTP_INP_WUNLOCK(inp); 3910 } else { 3911 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3912 error = EINVAL; 3913 } 3914 } 3915 break; 3916 } 3917 case SCTP_CMT_ON_OFF: 3918 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3919 struct sctp_assoc_value *av; 3920 3921 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3922 if (av->assoc_value > SCTP_CMT_MAX) { 3923 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3924 error = EINVAL; 3925 break; 3926 } 3927 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3928 if (stcb) { 3929 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3930 SCTP_TCB_UNLOCK(stcb); 3931 } else { 3932 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3933 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3934 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3935 (av->assoc_id == SCTP_ALL_ASSOC)) { 3936 SCTP_INP_WLOCK(inp); 3937 inp->sctp_cmt_on_off = av->assoc_value; 3938 SCTP_INP_WUNLOCK(inp); 3939 } 3940 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3941 (av->assoc_id == SCTP_ALL_ASSOC)) { 3942 SCTP_INP_RLOCK(inp); 3943 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3944 SCTP_TCB_LOCK(stcb); 3945 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3946 SCTP_TCB_UNLOCK(stcb); 3947 } 3948 SCTP_INP_RUNLOCK(inp); 3949 } 3950 } 3951 } else { 3952 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3953 error = ENOPROTOOPT; 3954 } 3955 break; 3956 case SCTP_PLUGGABLE_CC: 3957 { 3958 struct sctp_assoc_value *av; 3959 struct sctp_nets *net; 3960 3961 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3962 if ((av->assoc_value != SCTP_CC_RFC2581) && 3963 (av->assoc_value != SCTP_CC_HSTCP) && 3964 (av->assoc_value != SCTP_CC_HTCP) && 3965 (av->assoc_value != SCTP_CC_RTCC)) { 3966 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3967 error = EINVAL; 3968 break; 3969 } 3970 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3971 if (stcb) { 3972 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3973 stcb->asoc.congestion_control_module = av->assoc_value; 3974 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3975 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3976 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3977 } 3978 } 3979 SCTP_TCB_UNLOCK(stcb); 3980 } else { 3981 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3982 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3983 (av->assoc_id == SCTP_FUTURE_ASSOC) || 3984 (av->assoc_id == SCTP_ALL_ASSOC)) { 3985 SCTP_INP_WLOCK(inp); 3986 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3987 SCTP_INP_WUNLOCK(inp); 3988 } 3989 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3990 (av->assoc_id == SCTP_ALL_ASSOC)) { 3991 SCTP_INP_RLOCK(inp); 3992 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3993 SCTP_TCB_LOCK(stcb); 3994 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3995 stcb->asoc.congestion_control_module = av->assoc_value; 3996 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3997 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3998 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3999 } 4000 } 4001 SCTP_TCB_UNLOCK(stcb); 4002 } 4003 SCTP_INP_RUNLOCK(inp); 4004 } 4005 } 4006 break; 4007 } 4008 case SCTP_CC_OPTION: 4009 { 4010 struct sctp_cc_option *cc_opt; 4011 4012 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 4013 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 4014 if (stcb == NULL) { 4015 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) { 4016 SCTP_INP_RLOCK(inp); 4017 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4018 SCTP_TCB_LOCK(stcb); 4019 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 4020 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 4021 } 4022 SCTP_TCB_UNLOCK(stcb); 4023 } 4024 SCTP_INP_RUNLOCK(inp); 4025 } else { 4026 error = EINVAL; 4027 } 4028 } else { 4029 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4030 error = ENOTSUP; 4031 } else { 4032 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4033 cc_opt); 4034 } 4035 SCTP_TCB_UNLOCK(stcb); 4036 } 4037 break; 4038 } 4039 case SCTP_PLUGGABLE_SS: 4040 { 4041 struct sctp_assoc_value *av; 4042 4043 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4044 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4045 (av->assoc_value != SCTP_SS_ROUND_ROBIN) && 4046 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && 4047 (av->assoc_value != SCTP_SS_PRIORITY) && 4048 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && 4049 (av->assoc_value != SCTP_SS_FIRST_COME)) { 4050 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4051 error = EINVAL; 4052 break; 4053 } 4054 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4055 if (stcb) { 4056 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4057 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4058 stcb->asoc.stream_scheduling_module = av->assoc_value; 4059 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4060 SCTP_TCB_UNLOCK(stcb); 4061 } else { 4062 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4063 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4064 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4065 (av->assoc_id == SCTP_ALL_ASSOC)) { 4066 SCTP_INP_WLOCK(inp); 4067 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4068 SCTP_INP_WUNLOCK(inp); 4069 } 4070 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4071 (av->assoc_id == SCTP_ALL_ASSOC)) { 4072 SCTP_INP_RLOCK(inp); 4073 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4074 SCTP_TCB_LOCK(stcb); 4075 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 4076 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4077 stcb->asoc.stream_scheduling_module = av->assoc_value; 4078 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 4079 SCTP_TCB_UNLOCK(stcb); 4080 } 4081 SCTP_INP_RUNLOCK(inp); 4082 } 4083 } 4084 break; 4085 } 4086 case SCTP_SS_VALUE: 4087 { 4088 struct sctp_stream_value *av; 4089 4090 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4091 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4092 if (stcb) { 4093 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4094 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4095 av->stream_value) < 0)) { 4096 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4097 error = EINVAL; 4098 } 4099 SCTP_TCB_UNLOCK(stcb); 4100 } else { 4101 if (av->assoc_id == SCTP_CURRENT_ASSOC) { 4102 SCTP_INP_RLOCK(inp); 4103 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4104 SCTP_TCB_LOCK(stcb); 4105 if (av->stream_id < stcb->asoc.streamoutcnt) { 4106 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4107 &stcb->asoc, 4108 &stcb->asoc.strmout[av->stream_id], 4109 av->stream_value); 4110 } 4111 SCTP_TCB_UNLOCK(stcb); 4112 } 4113 SCTP_INP_RUNLOCK(inp); 4114 } else { 4115 /* 4116 * Can't set stream value without 4117 * association 4118 */ 4119 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4120 error = EINVAL; 4121 } 4122 } 4123 break; 4124 } 4125 case SCTP_CLR_STAT_LOG: 4126 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4127 error = EOPNOTSUPP; 4128 break; 4129 case SCTP_CONTEXT: 4130 { 4131 struct sctp_assoc_value *av; 4132 4133 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4134 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4135 4136 if (stcb) { 4137 stcb->asoc.context = av->assoc_value; 4138 SCTP_TCB_UNLOCK(stcb); 4139 } else { 4140 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4141 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4142 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4143 (av->assoc_id == SCTP_ALL_ASSOC)) { 4144 SCTP_INP_WLOCK(inp); 4145 inp->sctp_context = av->assoc_value; 4146 SCTP_INP_WUNLOCK(inp); 4147 } 4148 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4149 (av->assoc_id == SCTP_ALL_ASSOC)) { 4150 SCTP_INP_RLOCK(inp); 4151 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4152 SCTP_TCB_LOCK(stcb); 4153 stcb->asoc.context = av->assoc_value; 4154 SCTP_TCB_UNLOCK(stcb); 4155 } 4156 SCTP_INP_RUNLOCK(inp); 4157 } 4158 } 4159 break; 4160 } 4161 case SCTP_VRF_ID: 4162 { 4163 uint32_t *default_vrfid; 4164 4165 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4166 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4167 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4168 error = EINVAL; 4169 break; 4170 } 4171 inp->def_vrf_id = *default_vrfid; 4172 break; 4173 } 4174 case SCTP_DEL_VRF_ID: 4175 { 4176 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4177 error = EOPNOTSUPP; 4178 break; 4179 } 4180 case SCTP_ADD_VRF_ID: 4181 { 4182 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4183 error = EOPNOTSUPP; 4184 break; 4185 } 4186 case SCTP_DELAYED_SACK: 4187 { 4188 struct sctp_sack_info *sack; 4189 4190 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4191 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4192 if (sack->sack_delay) { 4193 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 4194 sack->sack_delay = SCTP_MAX_SACK_DELAY; 4195 if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 4196 sack->sack_delay = TICKS_TO_MSEC(1); 4197 } 4198 } 4199 if (stcb) { 4200 if (sack->sack_delay) { 4201 stcb->asoc.delayed_ack = sack->sack_delay; 4202 } 4203 if (sack->sack_freq) { 4204 stcb->asoc.sack_freq = sack->sack_freq; 4205 } 4206 SCTP_TCB_UNLOCK(stcb); 4207 } else { 4208 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4209 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4210 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4211 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4212 SCTP_INP_WLOCK(inp); 4213 if (sack->sack_delay) { 4214 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 4215 } 4216 if (sack->sack_freq) { 4217 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4218 } 4219 SCTP_INP_WUNLOCK(inp); 4220 } 4221 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4222 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) { 4223 SCTP_INP_RLOCK(inp); 4224 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4225 SCTP_TCB_LOCK(stcb); 4226 if (sack->sack_delay) { 4227 stcb->asoc.delayed_ack = sack->sack_delay; 4228 } 4229 if (sack->sack_freq) { 4230 stcb->asoc.sack_freq = sack->sack_freq; 4231 } 4232 SCTP_TCB_UNLOCK(stcb); 4233 } 4234 SCTP_INP_RUNLOCK(inp); 4235 } 4236 } 4237 break; 4238 } 4239 case SCTP_AUTH_CHUNK: 4240 { 4241 struct sctp_authchunk *sauth; 4242 4243 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4244 4245 SCTP_INP_WLOCK(inp); 4246 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4247 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4248 error = EINVAL; 4249 } 4250 SCTP_INP_WUNLOCK(inp); 4251 break; 4252 } 4253 case SCTP_AUTH_KEY: 4254 { 4255 struct sctp_authkey *sca; 4256 struct sctp_keyhead *shared_keys; 4257 sctp_sharedkey_t *shared_key; 4258 sctp_key_t *key = NULL; 4259 size_t size; 4260 4261 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4262 if (sca->sca_keylength == 0) { 4263 size = optsize - sizeof(struct sctp_authkey); 4264 } else { 4265 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4266 size = sca->sca_keylength; 4267 } else { 4268 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4269 error = EINVAL; 4270 break; 4271 } 4272 } 4273 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4274 4275 if (stcb) { 4276 shared_keys = &stcb->asoc.shared_keys; 4277 /* clear the cached keys for this key id */ 4278 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4279 /* 4280 * create the new shared key and 4281 * insert/replace it 4282 */ 4283 if (size > 0) { 4284 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4285 if (key == NULL) { 4286 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4287 error = ENOMEM; 4288 SCTP_TCB_UNLOCK(stcb); 4289 break; 4290 } 4291 } 4292 shared_key = sctp_alloc_sharedkey(); 4293 if (shared_key == NULL) { 4294 sctp_free_key(key); 4295 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4296 error = ENOMEM; 4297 SCTP_TCB_UNLOCK(stcb); 4298 break; 4299 } 4300 shared_key->key = key; 4301 shared_key->keyid = sca->sca_keynumber; 4302 error = sctp_insert_sharedkey(shared_keys, shared_key); 4303 SCTP_TCB_UNLOCK(stcb); 4304 } else { 4305 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4306 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4307 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4308 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4309 SCTP_INP_WLOCK(inp); 4310 shared_keys = &inp->sctp_ep.shared_keys; 4311 /* 4312 * clear the cached keys on all 4313 * assocs for this key id 4314 */ 4315 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4316 /* 4317 * create the new shared key and 4318 * insert/replace it 4319 */ 4320 if (size > 0) { 4321 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4322 if (key == NULL) { 4323 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4324 error = ENOMEM; 4325 SCTP_INP_WUNLOCK(inp); 4326 break; 4327 } 4328 } 4329 shared_key = sctp_alloc_sharedkey(); 4330 if (shared_key == NULL) { 4331 sctp_free_key(key); 4332 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4333 error = ENOMEM; 4334 SCTP_INP_WUNLOCK(inp); 4335 break; 4336 } 4337 shared_key->key = key; 4338 shared_key->keyid = sca->sca_keynumber; 4339 error = sctp_insert_sharedkey(shared_keys, shared_key); 4340 SCTP_INP_WUNLOCK(inp); 4341 } 4342 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4343 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) { 4344 SCTP_INP_RLOCK(inp); 4345 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4346 SCTP_TCB_LOCK(stcb); 4347 shared_keys = &stcb->asoc.shared_keys; 4348 /* 4349 * clear the cached keys for 4350 * this key id 4351 */ 4352 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4353 /* 4354 * create the new shared key 4355 * and insert/replace it 4356 */ 4357 if (size > 0) { 4358 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4359 if (key == NULL) { 4360 SCTP_TCB_UNLOCK(stcb); 4361 continue; 4362 } 4363 } 4364 shared_key = sctp_alloc_sharedkey(); 4365 if (shared_key == NULL) { 4366 sctp_free_key(key); 4367 SCTP_TCB_UNLOCK(stcb); 4368 continue; 4369 } 4370 shared_key->key = key; 4371 shared_key->keyid = sca->sca_keynumber; 4372 error = sctp_insert_sharedkey(shared_keys, shared_key); 4373 SCTP_TCB_UNLOCK(stcb); 4374 } 4375 SCTP_INP_RUNLOCK(inp); 4376 } 4377 } 4378 break; 4379 } 4380 case SCTP_HMAC_IDENT: 4381 { 4382 struct sctp_hmacalgo *shmac; 4383 sctp_hmaclist_t *hmaclist; 4384 uint16_t hmacid; 4385 uint32_t i; 4386 4387 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4388 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4389 (shmac->shmac_number_of_idents > 0xffff)) { 4390 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4391 error = EINVAL; 4392 break; 4393 } 4394 hmaclist = sctp_alloc_hmaclist((uint16_t)shmac->shmac_number_of_idents); 4395 if (hmaclist == NULL) { 4396 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4397 error = ENOMEM; 4398 break; 4399 } 4400 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4401 hmacid = shmac->shmac_idents[i]; 4402 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4403 /* invalid HMACs were found */ ; 4404 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4405 error = EINVAL; 4406 sctp_free_hmaclist(hmaclist); 4407 goto sctp_set_hmac_done; 4408 } 4409 } 4410 for (i = 0; i < hmaclist->num_algo; i++) { 4411 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4412 /* already in list */ 4413 break; 4414 } 4415 } 4416 if (i == hmaclist->num_algo) { 4417 /* not found in list */ 4418 sctp_free_hmaclist(hmaclist); 4419 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4420 error = EINVAL; 4421 break; 4422 } 4423 /* set it on the endpoint */ 4424 SCTP_INP_WLOCK(inp); 4425 if (inp->sctp_ep.local_hmacs) 4426 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4427 inp->sctp_ep.local_hmacs = hmaclist; 4428 SCTP_INP_WUNLOCK(inp); 4429 sctp_set_hmac_done: 4430 break; 4431 } 4432 case SCTP_AUTH_ACTIVE_KEY: 4433 { 4434 struct sctp_authkeyid *scact; 4435 4436 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4437 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4438 4439 /* set the active key on the right place */ 4440 if (stcb) { 4441 /* set the active key on the assoc */ 4442 if (sctp_auth_setactivekey(stcb, 4443 scact->scact_keynumber)) { 4444 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4445 SCTP_FROM_SCTP_USRREQ, 4446 EINVAL); 4447 error = EINVAL; 4448 } 4449 SCTP_TCB_UNLOCK(stcb); 4450 } else { 4451 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4452 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4453 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4454 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4455 SCTP_INP_WLOCK(inp); 4456 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4457 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4458 error = EINVAL; 4459 } 4460 SCTP_INP_WUNLOCK(inp); 4461 } 4462 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4463 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) { 4464 SCTP_INP_RLOCK(inp); 4465 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4466 SCTP_TCB_LOCK(stcb); 4467 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4468 SCTP_TCB_UNLOCK(stcb); 4469 } 4470 SCTP_INP_RUNLOCK(inp); 4471 } 4472 } 4473 break; 4474 } 4475 case SCTP_AUTH_DELETE_KEY: 4476 { 4477 struct sctp_authkeyid *scdel; 4478 4479 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4480 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4481 4482 /* delete the key from the right place */ 4483 if (stcb) { 4484 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4485 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4486 error = EINVAL; 4487 } 4488 SCTP_TCB_UNLOCK(stcb); 4489 } else { 4490 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4491 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4492 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4493 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4494 SCTP_INP_WLOCK(inp); 4495 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4496 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4497 error = EINVAL; 4498 } 4499 SCTP_INP_WUNLOCK(inp); 4500 } 4501 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4502 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) { 4503 SCTP_INP_RLOCK(inp); 4504 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4505 SCTP_TCB_LOCK(stcb); 4506 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4507 SCTP_TCB_UNLOCK(stcb); 4508 } 4509 SCTP_INP_RUNLOCK(inp); 4510 } 4511 } 4512 break; 4513 } 4514 case SCTP_AUTH_DEACTIVATE_KEY: 4515 { 4516 struct sctp_authkeyid *keyid; 4517 4518 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4519 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4520 4521 /* deactivate the key from the right place */ 4522 if (stcb) { 4523 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4524 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4525 error = EINVAL; 4526 } 4527 SCTP_TCB_UNLOCK(stcb); 4528 } else { 4529 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4530 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4531 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4532 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4533 SCTP_INP_WLOCK(inp); 4534 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4535 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4536 error = EINVAL; 4537 } 4538 SCTP_INP_WUNLOCK(inp); 4539 } 4540 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4541 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) { 4542 SCTP_INP_RLOCK(inp); 4543 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4544 SCTP_TCB_LOCK(stcb); 4545 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4546 SCTP_TCB_UNLOCK(stcb); 4547 } 4548 SCTP_INP_RUNLOCK(inp); 4549 } 4550 } 4551 break; 4552 } 4553 case SCTP_ENABLE_STREAM_RESET: 4554 { 4555 struct sctp_assoc_value *av; 4556 4557 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4558 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4559 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4560 error = EINVAL; 4561 break; 4562 } 4563 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4564 if (stcb) { 4565 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4566 SCTP_TCB_UNLOCK(stcb); 4567 } else { 4568 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4569 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4570 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4571 (av->assoc_id == SCTP_ALL_ASSOC)) { 4572 SCTP_INP_WLOCK(inp); 4573 inp->local_strreset_support = (uint8_t)av->assoc_value; 4574 SCTP_INP_WUNLOCK(inp); 4575 } 4576 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4577 (av->assoc_id == SCTP_ALL_ASSOC)) { 4578 SCTP_INP_RLOCK(inp); 4579 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4580 SCTP_TCB_LOCK(stcb); 4581 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4582 SCTP_TCB_UNLOCK(stcb); 4583 } 4584 SCTP_INP_RUNLOCK(inp); 4585 } 4586 } 4587 break; 4588 } 4589 case SCTP_RESET_STREAMS: 4590 { 4591 struct sctp_reset_streams *strrst; 4592 int i, send_out = 0; 4593 int send_in = 0; 4594 4595 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4596 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4597 if (stcb == NULL) { 4598 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4599 error = ENOENT; 4600 break; 4601 } 4602 if (stcb->asoc.reconfig_supported == 0) { 4603 /* 4604 * Peer does not support the chunk type. 4605 */ 4606 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4607 error = EOPNOTSUPP; 4608 SCTP_TCB_UNLOCK(stcb); 4609 break; 4610 } 4611 if (sizeof(struct sctp_reset_streams) + 4612 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4613 error = EINVAL; 4614 SCTP_TCB_UNLOCK(stcb); 4615 break; 4616 } 4617 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4618 send_in = 1; 4619 if (stcb->asoc.stream_reset_outstanding) { 4620 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4621 error = EALREADY; 4622 SCTP_TCB_UNLOCK(stcb); 4623 break; 4624 } 4625 } 4626 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4627 send_out = 1; 4628 } 4629 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) { 4630 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4631 error = ENOMEM; 4632 SCTP_TCB_UNLOCK(stcb); 4633 break; 4634 } 4635 if ((send_in == 0) && (send_out == 0)) { 4636 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4637 error = EINVAL; 4638 SCTP_TCB_UNLOCK(stcb); 4639 break; 4640 } 4641 for (i = 0; i < strrst->srs_number_streams; i++) { 4642 if ((send_in) && 4643 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) { 4644 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4645 error = EINVAL; 4646 break; 4647 } 4648 if ((send_out) && 4649 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) { 4650 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4651 error = EINVAL; 4652 break; 4653 } 4654 } 4655 if (error) { 4656 SCTP_TCB_UNLOCK(stcb); 4657 break; 4658 } 4659 if (send_out) { 4660 int cnt; 4661 uint16_t strm; 4662 4663 if (strrst->srs_number_streams) { 4664 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) { 4665 strm = strrst->srs_stream_list[i]; 4666 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) { 4667 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING; 4668 cnt++; 4669 } 4670 } 4671 } else { 4672 /* Its all */ 4673 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) { 4674 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) { 4675 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING; 4676 cnt++; 4677 } 4678 } 4679 } 4680 } 4681 if (send_in) { 4682 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4683 strrst->srs_stream_list, 4684 send_in, 0, 0, 0, 0, 0); 4685 } else { 4686 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED); 4687 } 4688 if (error == 0) { 4689 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4690 } else { 4691 /* 4692 * For outgoing streams don't report any 4693 * problems in sending the request to the 4694 * application. XXX: Double check resetting 4695 * incoming streams. 4696 */ 4697 error = 0; 4698 } 4699 SCTP_TCB_UNLOCK(stcb); 4700 break; 4701 } 4702 case SCTP_ADD_STREAMS: 4703 { 4704 struct sctp_add_streams *stradd; 4705 uint8_t addstream = 0; 4706 uint16_t add_o_strmcnt = 0; 4707 uint16_t add_i_strmcnt = 0; 4708 4709 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4710 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4711 if (stcb == NULL) { 4712 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4713 error = ENOENT; 4714 break; 4715 } 4716 if (stcb->asoc.reconfig_supported == 0) { 4717 /* 4718 * Peer does not support the chunk type. 4719 */ 4720 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4721 error = EOPNOTSUPP; 4722 SCTP_TCB_UNLOCK(stcb); 4723 break; 4724 } 4725 if (stcb->asoc.stream_reset_outstanding) { 4726 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4727 error = EALREADY; 4728 SCTP_TCB_UNLOCK(stcb); 4729 break; 4730 } 4731 if ((stradd->sas_outstrms == 0) && 4732 (stradd->sas_instrms == 0)) { 4733 error = EINVAL; 4734 goto skip_stuff; 4735 } 4736 if (stradd->sas_outstrms) { 4737 addstream = 1; 4738 /* We allocate here */ 4739 add_o_strmcnt = stradd->sas_outstrms; 4740 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4741 /* You can't have more than 64k */ 4742 error = EINVAL; 4743 goto skip_stuff; 4744 } 4745 } 4746 if (stradd->sas_instrms) { 4747 int cnt; 4748 4749 addstream |= 2; 4750 /* 4751 * We allocate inside 4752 * sctp_send_str_reset_req() 4753 */ 4754 add_i_strmcnt = stradd->sas_instrms; 4755 cnt = add_i_strmcnt; 4756 cnt += stcb->asoc.streamincnt; 4757 if (cnt > 0x0000ffff) { 4758 /* You can't have more than 64k */ 4759 error = EINVAL; 4760 goto skip_stuff; 4761 } 4762 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4763 /* More than you are allowed */ 4764 error = EINVAL; 4765 goto skip_stuff; 4766 } 4767 } 4768 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4769 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4770 skip_stuff: 4771 SCTP_TCB_UNLOCK(stcb); 4772 break; 4773 } 4774 case SCTP_RESET_ASSOC: 4775 { 4776 int i; 4777 uint32_t *value; 4778 4779 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4780 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 4781 if (stcb == NULL) { 4782 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4783 error = ENOENT; 4784 break; 4785 } 4786 if (stcb->asoc.reconfig_supported == 0) { 4787 /* 4788 * Peer does not support the chunk type. 4789 */ 4790 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4791 error = EOPNOTSUPP; 4792 SCTP_TCB_UNLOCK(stcb); 4793 break; 4794 } 4795 if (stcb->asoc.stream_reset_outstanding) { 4796 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4797 error = EALREADY; 4798 SCTP_TCB_UNLOCK(stcb); 4799 break; 4800 } 4801 /* 4802 * Is there any data pending in the send or sent 4803 * queues? 4804 */ 4805 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) || 4806 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) { 4807 busy_out: 4808 error = EBUSY; 4809 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4810 SCTP_TCB_UNLOCK(stcb); 4811 break; 4812 } 4813 /* Do any streams have data queued? */ 4814 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4815 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) { 4816 goto busy_out; 4817 } 4818 } 4819 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0); 4820 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4821 SCTP_TCB_UNLOCK(stcb); 4822 break; 4823 } 4824 case SCTP_CONNECT_X: 4825 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4826 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4827 error = EINVAL; 4828 break; 4829 } 4830 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4831 break; 4832 case SCTP_CONNECT_X_DELAYED: 4833 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4834 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4835 error = EINVAL; 4836 break; 4837 } 4838 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4839 break; 4840 case SCTP_CONNECT_X_COMPLETE: 4841 { 4842 struct sockaddr *sa; 4843 4844 /* FIXME MT: check correct? */ 4845 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4846 4847 /* find tcb */ 4848 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4849 SCTP_INP_RLOCK(inp); 4850 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4851 if (stcb) { 4852 SCTP_TCB_LOCK(stcb); 4853 } 4854 SCTP_INP_RUNLOCK(inp); 4855 } else { 4856 /* 4857 * We increment here since 4858 * sctp_findassociation_ep_addr() wil do a 4859 * decrement if it finds the stcb as long as 4860 * the locked tcb (last argument) is NOT a 4861 * TCB.. aka NULL. 4862 */ 4863 SCTP_INP_INCR_REF(inp); 4864 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4865 if (stcb == NULL) { 4866 SCTP_INP_DECR_REF(inp); 4867 } 4868 } 4869 4870 if (stcb == NULL) { 4871 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4872 error = ENOENT; 4873 break; 4874 } 4875 if (stcb->asoc.delayed_connection == 1) { 4876 stcb->asoc.delayed_connection = 0; 4877 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4878 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4879 stcb->asoc.primary_destination, 4880 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4881 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4882 } else { 4883 /* 4884 * already expired or did not use delayed 4885 * connectx 4886 */ 4887 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4888 error = EALREADY; 4889 } 4890 SCTP_TCB_UNLOCK(stcb); 4891 break; 4892 } 4893 case SCTP_MAX_BURST: 4894 { 4895 struct sctp_assoc_value *av; 4896 4897 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4898 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4899 4900 if (stcb) { 4901 stcb->asoc.max_burst = av->assoc_value; 4902 SCTP_TCB_UNLOCK(stcb); 4903 } else { 4904 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4905 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4906 (av->assoc_id == SCTP_FUTURE_ASSOC) || 4907 (av->assoc_id == SCTP_ALL_ASSOC)) { 4908 SCTP_INP_WLOCK(inp); 4909 inp->sctp_ep.max_burst = av->assoc_value; 4910 SCTP_INP_WUNLOCK(inp); 4911 } 4912 if ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4913 (av->assoc_id == SCTP_ALL_ASSOC)) { 4914 SCTP_INP_RLOCK(inp); 4915 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4916 SCTP_TCB_LOCK(stcb); 4917 stcb->asoc.max_burst = av->assoc_value; 4918 SCTP_TCB_UNLOCK(stcb); 4919 } 4920 SCTP_INP_RUNLOCK(inp); 4921 } 4922 } 4923 break; 4924 } 4925 case SCTP_MAXSEG: 4926 { 4927 struct sctp_assoc_value *av; 4928 int ovh; 4929 4930 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4931 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4932 4933 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4934 ovh = SCTP_MED_OVERHEAD; 4935 } else { 4936 ovh = SCTP_MED_V4_OVERHEAD; 4937 } 4938 if (stcb) { 4939 if (av->assoc_value) { 4940 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 4941 } else { 4942 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4943 } 4944 SCTP_TCB_UNLOCK(stcb); 4945 } else { 4946 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4947 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4948 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 4949 SCTP_INP_WLOCK(inp); 4950 /* 4951 * FIXME MT: I think this is not in 4952 * tune with the API ID 4953 */ 4954 if (av->assoc_value) { 4955 inp->sctp_frag_point = (av->assoc_value + ovh); 4956 } else { 4957 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 4958 } 4959 SCTP_INP_WUNLOCK(inp); 4960 } else { 4961 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4962 error = EINVAL; 4963 } 4964 } 4965 break; 4966 } 4967 case SCTP_EVENTS: 4968 { 4969 struct sctp_event_subscribe *events; 4970 4971 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 4972 4973 SCTP_INP_WLOCK(inp); 4974 if (events->sctp_data_io_event) { 4975 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4976 } else { 4977 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4978 } 4979 4980 if (events->sctp_association_event) { 4981 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4982 } else { 4983 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4984 } 4985 4986 if (events->sctp_address_event) { 4987 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4988 } else { 4989 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4990 } 4991 4992 if (events->sctp_send_failure_event) { 4993 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4994 } else { 4995 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 4996 } 4997 4998 if (events->sctp_peer_error_event) { 4999 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5000 } else { 5001 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5002 } 5003 5004 if (events->sctp_shutdown_event) { 5005 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5006 } else { 5007 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5008 } 5009 5010 if (events->sctp_partial_delivery_event) { 5011 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5012 } else { 5013 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5014 } 5015 5016 if (events->sctp_adaptation_layer_event) { 5017 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5018 } else { 5019 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5020 } 5021 5022 if (events->sctp_authentication_event) { 5023 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5024 } else { 5025 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5026 } 5027 5028 if (events->sctp_sender_dry_event) { 5029 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 5030 } else { 5031 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 5032 } 5033 5034 if (events->sctp_stream_reset_event) { 5035 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5036 } else { 5037 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5038 } 5039 SCTP_INP_WUNLOCK(inp); 5040 5041 SCTP_INP_RLOCK(inp); 5042 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5043 SCTP_TCB_LOCK(stcb); 5044 if (events->sctp_association_event) { 5045 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5046 } else { 5047 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5048 } 5049 if (events->sctp_address_event) { 5050 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5051 } else { 5052 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5053 } 5054 if (events->sctp_send_failure_event) { 5055 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5056 } else { 5057 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5058 } 5059 if (events->sctp_peer_error_event) { 5060 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5061 } else { 5062 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5063 } 5064 if (events->sctp_shutdown_event) { 5065 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5066 } else { 5067 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5068 } 5069 if (events->sctp_partial_delivery_event) { 5070 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5071 } else { 5072 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5073 } 5074 if (events->sctp_adaptation_layer_event) { 5075 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5076 } else { 5077 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5078 } 5079 if (events->sctp_authentication_event) { 5080 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5081 } else { 5082 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5083 } 5084 if (events->sctp_sender_dry_event) { 5085 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5086 } else { 5087 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5088 } 5089 if (events->sctp_stream_reset_event) { 5090 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5091 } else { 5092 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5093 } 5094 SCTP_TCB_UNLOCK(stcb); 5095 } 5096 /* 5097 * Send up the sender dry event only for 1-to-1 5098 * style sockets. 5099 */ 5100 if (events->sctp_sender_dry_event) { 5101 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5102 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 5103 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5104 if (stcb) { 5105 SCTP_TCB_LOCK(stcb); 5106 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5107 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5108 (stcb->asoc.stream_queue_cnt == 0)) { 5109 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5110 } 5111 SCTP_TCB_UNLOCK(stcb); 5112 } 5113 } 5114 } 5115 SCTP_INP_RUNLOCK(inp); 5116 break; 5117 } 5118 case SCTP_ADAPTATION_LAYER: 5119 { 5120 struct sctp_setadaptation *adap_bits; 5121 5122 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5123 SCTP_INP_WLOCK(inp); 5124 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5125 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5126 SCTP_INP_WUNLOCK(inp); 5127 break; 5128 } 5129 #ifdef SCTP_DEBUG 5130 case SCTP_SET_INITIAL_DBG_SEQ: 5131 { 5132 uint32_t *vvv; 5133 5134 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5135 SCTP_INP_WLOCK(inp); 5136 inp->sctp_ep.initial_sequence_debug = *vvv; 5137 SCTP_INP_WUNLOCK(inp); 5138 break; 5139 } 5140 #endif 5141 case SCTP_DEFAULT_SEND_PARAM: 5142 { 5143 struct sctp_sndrcvinfo *s_info; 5144 5145 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5146 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5147 5148 if (stcb) { 5149 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5150 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5151 } else { 5152 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5153 error = EINVAL; 5154 } 5155 SCTP_TCB_UNLOCK(stcb); 5156 } else { 5157 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5158 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5159 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5160 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5161 SCTP_INP_WLOCK(inp); 5162 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5163 SCTP_INP_WUNLOCK(inp); 5164 } 5165 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5166 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) { 5167 SCTP_INP_RLOCK(inp); 5168 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5169 SCTP_TCB_LOCK(stcb); 5170 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5171 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5172 } 5173 SCTP_TCB_UNLOCK(stcb); 5174 } 5175 SCTP_INP_RUNLOCK(inp); 5176 } 5177 } 5178 break; 5179 } 5180 case SCTP_PEER_ADDR_PARAMS: 5181 { 5182 struct sctp_paddrparams *paddrp; 5183 struct sctp_nets *net; 5184 struct sockaddr *addr; 5185 #if defined(INET) && defined(INET6) 5186 struct sockaddr_in sin_store; 5187 #endif 5188 5189 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5190 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5191 5192 #if defined(INET) && defined(INET6) 5193 if (paddrp->spp_address.ss_family == AF_INET6) { 5194 struct sockaddr_in6 *sin6; 5195 5196 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5197 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5198 in6_sin6_2_sin(&sin_store, sin6); 5199 addr = (struct sockaddr *)&sin_store; 5200 } else { 5201 addr = (struct sockaddr *)&paddrp->spp_address; 5202 } 5203 } else { 5204 addr = (struct sockaddr *)&paddrp->spp_address; 5205 } 5206 #else 5207 addr = (struct sockaddr *)&paddrp->spp_address; 5208 #endif 5209 if (stcb != NULL) { 5210 net = sctp_findnet(stcb, addr); 5211 } else { 5212 /* 5213 * We increment here since 5214 * sctp_findassociation_ep_addr() wil do a 5215 * decrement if it finds the stcb as long as 5216 * the locked tcb (last argument) is NOT a 5217 * TCB.. aka NULL. 5218 */ 5219 net = NULL; 5220 SCTP_INP_INCR_REF(inp); 5221 stcb = sctp_findassociation_ep_addr(&inp, addr, 5222 &net, NULL, NULL); 5223 if (stcb == NULL) { 5224 SCTP_INP_DECR_REF(inp); 5225 } 5226 } 5227 if ((stcb != NULL) && (net == NULL)) { 5228 #ifdef INET 5229 if (addr->sa_family == AF_INET) { 5230 5231 struct sockaddr_in *sin; 5232 5233 sin = (struct sockaddr_in *)addr; 5234 if (sin->sin_addr.s_addr != INADDR_ANY) { 5235 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5236 SCTP_TCB_UNLOCK(stcb); 5237 error = EINVAL; 5238 break; 5239 } 5240 } else 5241 #endif 5242 #ifdef INET6 5243 if (addr->sa_family == AF_INET6) { 5244 struct sockaddr_in6 *sin6; 5245 5246 sin6 = (struct sockaddr_in6 *)addr; 5247 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5248 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5249 SCTP_TCB_UNLOCK(stcb); 5250 error = EINVAL; 5251 break; 5252 } 5253 } else 5254 #endif 5255 { 5256 error = EAFNOSUPPORT; 5257 SCTP_TCB_UNLOCK(stcb); 5258 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5259 break; 5260 } 5261 } 5262 /* sanity checks */ 5263 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5264 if (stcb) 5265 SCTP_TCB_UNLOCK(stcb); 5266 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5267 return (EINVAL); 5268 } 5269 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5270 if (stcb) 5271 SCTP_TCB_UNLOCK(stcb); 5272 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5273 return (EINVAL); 5274 } 5275 if (stcb != NULL) { 5276 /************************TCB SPECIFIC SET ******************/ 5277 if (net != NULL) { 5278 /************************NET SPECIFIC SET ******************/ 5279 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5280 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) && 5281 !(net->dest_state & SCTP_ADDR_NOHB)) { 5282 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5283 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5284 } 5285 net->dest_state |= SCTP_ADDR_NOHB; 5286 } 5287 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5288 if (paddrp->spp_hbinterval) { 5289 net->heart_beat_delay = paddrp->spp_hbinterval; 5290 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5291 net->heart_beat_delay = 0; 5292 } 5293 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5294 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5295 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5296 net->dest_state &= ~SCTP_ADDR_NOHB; 5297 } 5298 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5299 /* on demand HB */ 5300 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5301 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5302 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5303 } 5304 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5305 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5306 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5307 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5308 } 5309 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5310 net->mtu = paddrp->spp_pathmtu; 5311 switch (net->ro._l_addr.sa.sa_family) { 5312 #ifdef INET 5313 case AF_INET: 5314 net->mtu += SCTP_MIN_V4_OVERHEAD; 5315 break; 5316 #endif 5317 #ifdef INET6 5318 case AF_INET6: 5319 net->mtu += SCTP_MIN_OVERHEAD; 5320 break; 5321 #endif 5322 default: 5323 break; 5324 } 5325 if (net->mtu < stcb->asoc.smallest_mtu) { 5326 sctp_pathmtu_adjustment(stcb, net->mtu); 5327 } 5328 } 5329 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5330 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5331 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5332 } 5333 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5334 } 5335 if (paddrp->spp_pathmaxrxt) { 5336 if (net->dest_state & SCTP_ADDR_PF) { 5337 if (net->error_count > paddrp->spp_pathmaxrxt) { 5338 net->dest_state &= ~SCTP_ADDR_PF; 5339 } 5340 } else { 5341 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5342 (net->error_count > net->pf_threshold)) { 5343 net->dest_state |= SCTP_ADDR_PF; 5344 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5345 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5346 stcb->sctp_ep, stcb, net, 5347 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5348 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5349 } 5350 } 5351 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5352 if (net->error_count > paddrp->spp_pathmaxrxt) { 5353 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5354 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5355 } 5356 } else { 5357 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5358 net->dest_state |= SCTP_ADDR_REACHABLE; 5359 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5360 } 5361 } 5362 net->failure_threshold = paddrp->spp_pathmaxrxt; 5363 } 5364 if (paddrp->spp_flags & SPP_DSCP) { 5365 net->dscp = paddrp->spp_dscp & 0xfc; 5366 net->dscp |= 0x01; 5367 } 5368 #ifdef INET6 5369 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5370 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5371 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5372 net->flowlabel |= 0x80000000; 5373 } 5374 } 5375 #endif 5376 } else { 5377 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5378 if (paddrp->spp_pathmaxrxt != 0) { 5379 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5380 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5381 if (net->dest_state & SCTP_ADDR_PF) { 5382 if (net->error_count > paddrp->spp_pathmaxrxt) { 5383 net->dest_state &= ~SCTP_ADDR_PF; 5384 } 5385 } else { 5386 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5387 (net->error_count > net->pf_threshold)) { 5388 net->dest_state |= SCTP_ADDR_PF; 5389 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5390 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5391 stcb->sctp_ep, stcb, net, 5392 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5393 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5394 } 5395 } 5396 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5397 if (net->error_count > paddrp->spp_pathmaxrxt) { 5398 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5399 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5400 } 5401 } else { 5402 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5403 net->dest_state |= SCTP_ADDR_REACHABLE; 5404 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5405 } 5406 } 5407 net->failure_threshold = paddrp->spp_pathmaxrxt; 5408 } 5409 } 5410 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5411 if (paddrp->spp_hbinterval != 0) { 5412 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5413 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5414 stcb->asoc.heart_beat_delay = 0; 5415 } 5416 /* Turn back on the timer */ 5417 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5418 if (paddrp->spp_hbinterval != 0) { 5419 net->heart_beat_delay = paddrp->spp_hbinterval; 5420 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5421 net->heart_beat_delay = 0; 5422 } 5423 if (net->dest_state & SCTP_ADDR_NOHB) { 5424 net->dest_state &= ~SCTP_ADDR_NOHB; 5425 } 5426 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5427 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5428 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5429 } 5430 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5431 } 5432 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5433 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5434 if (!(net->dest_state & SCTP_ADDR_NOHB)) { 5435 net->dest_state |= SCTP_ADDR_NOHB; 5436 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5437 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5438 inp, stcb, net, 5439 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5440 } 5441 } 5442 } 5443 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5444 } 5445 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 5446 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5447 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5448 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5449 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5450 } 5451 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5452 net->mtu = paddrp->spp_pathmtu; 5453 switch (net->ro._l_addr.sa.sa_family) { 5454 #ifdef INET 5455 case AF_INET: 5456 net->mtu += SCTP_MIN_V4_OVERHEAD; 5457 break; 5458 #endif 5459 #ifdef INET6 5460 case AF_INET6: 5461 net->mtu += SCTP_MIN_OVERHEAD; 5462 break; 5463 #endif 5464 default: 5465 break; 5466 } 5467 if (net->mtu < stcb->asoc.smallest_mtu) { 5468 sctp_pathmtu_adjustment(stcb, net->mtu); 5469 } 5470 } 5471 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5472 } 5473 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5474 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5475 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5476 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5477 } 5478 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5479 } 5480 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5481 } 5482 if (paddrp->spp_flags & SPP_DSCP) { 5483 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5484 net->dscp = paddrp->spp_dscp & 0xfc; 5485 net->dscp |= 0x01; 5486 } 5487 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5488 stcb->asoc.default_dscp |= 0x01; 5489 } 5490 #ifdef INET6 5491 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5492 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5493 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5494 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5495 net->flowlabel |= 0x80000000; 5496 } 5497 } 5498 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5499 stcb->asoc.default_flowlabel |= 0x80000000; 5500 } 5501 #endif 5502 } 5503 SCTP_TCB_UNLOCK(stcb); 5504 } else { 5505 /************************NO TCB, SET TO default stuff ******************/ 5506 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5507 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5508 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) { 5509 SCTP_INP_WLOCK(inp); 5510 /* 5511 * For the TOS/FLOWLABEL stuff you 5512 * set it with the options on the 5513 * socket 5514 */ 5515 if (paddrp->spp_pathmaxrxt != 0) { 5516 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5517 } 5518 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5519 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5520 else if (paddrp->spp_hbinterval != 0) { 5521 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5522 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5523 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5524 } 5525 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5526 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5527 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5528 } else if (paddrp->spp_hbinterval) { 5529 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 5530 } 5531 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5532 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5533 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5534 } 5535 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5536 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5537 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5538 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5539 } 5540 if (paddrp->spp_flags & SPP_DSCP) { 5541 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5542 inp->sctp_ep.default_dscp |= 0x01; 5543 } 5544 #ifdef INET6 5545 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5546 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5547 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5548 inp->sctp_ep.default_flowlabel |= 0x80000000; 5549 } 5550 } 5551 #endif 5552 SCTP_INP_WUNLOCK(inp); 5553 } else { 5554 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5555 error = EINVAL; 5556 } 5557 } 5558 break; 5559 } 5560 case SCTP_RTOINFO: 5561 { 5562 struct sctp_rtoinfo *srto; 5563 uint32_t new_init, new_min, new_max; 5564 5565 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5566 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5567 5568 if (stcb) { 5569 if (srto->srto_initial) 5570 new_init = srto->srto_initial; 5571 else 5572 new_init = stcb->asoc.initial_rto; 5573 if (srto->srto_max) 5574 new_max = srto->srto_max; 5575 else 5576 new_max = stcb->asoc.maxrto; 5577 if (srto->srto_min) 5578 new_min = srto->srto_min; 5579 else 5580 new_min = stcb->asoc.minrto; 5581 if ((new_min <= new_init) && (new_init <= new_max)) { 5582 stcb->asoc.initial_rto = new_init; 5583 stcb->asoc.maxrto = new_max; 5584 stcb->asoc.minrto = new_min; 5585 } else { 5586 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5587 error = EINVAL; 5588 } 5589 SCTP_TCB_UNLOCK(stcb); 5590 } else { 5591 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5592 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5593 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) { 5594 SCTP_INP_WLOCK(inp); 5595 if (srto->srto_initial) 5596 new_init = srto->srto_initial; 5597 else 5598 new_init = inp->sctp_ep.initial_rto; 5599 if (srto->srto_max) 5600 new_max = srto->srto_max; 5601 else 5602 new_max = inp->sctp_ep.sctp_maxrto; 5603 if (srto->srto_min) 5604 new_min = srto->srto_min; 5605 else 5606 new_min = inp->sctp_ep.sctp_minrto; 5607 if ((new_min <= new_init) && (new_init <= new_max)) { 5608 inp->sctp_ep.initial_rto = new_init; 5609 inp->sctp_ep.sctp_maxrto = new_max; 5610 inp->sctp_ep.sctp_minrto = new_min; 5611 } else { 5612 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5613 error = EINVAL; 5614 } 5615 SCTP_INP_WUNLOCK(inp); 5616 } else { 5617 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5618 error = EINVAL; 5619 } 5620 } 5621 break; 5622 } 5623 case SCTP_ASSOCINFO: 5624 { 5625 struct sctp_assocparams *sasoc; 5626 5627 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5628 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5629 if (sasoc->sasoc_cookie_life) { 5630 /* boundary check the cookie life */ 5631 if (sasoc->sasoc_cookie_life < 1000) 5632 sasoc->sasoc_cookie_life = 1000; 5633 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5634 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5635 } 5636 } 5637 if (stcb) { 5638 if (sasoc->sasoc_asocmaxrxt) 5639 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5640 if (sasoc->sasoc_cookie_life) { 5641 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5642 } 5643 SCTP_TCB_UNLOCK(stcb); 5644 } else { 5645 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5646 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5647 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) { 5648 SCTP_INP_WLOCK(inp); 5649 if (sasoc->sasoc_asocmaxrxt) 5650 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5651 if (sasoc->sasoc_cookie_life) { 5652 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 5653 } 5654 SCTP_INP_WUNLOCK(inp); 5655 } else { 5656 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5657 error = EINVAL; 5658 } 5659 } 5660 break; 5661 } 5662 case SCTP_INITMSG: 5663 { 5664 struct sctp_initmsg *sinit; 5665 5666 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5667 SCTP_INP_WLOCK(inp); 5668 if (sinit->sinit_num_ostreams) 5669 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5670 5671 if (sinit->sinit_max_instreams) 5672 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5673 5674 if (sinit->sinit_max_attempts) 5675 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5676 5677 if (sinit->sinit_max_init_timeo) 5678 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5679 SCTP_INP_WUNLOCK(inp); 5680 break; 5681 } 5682 case SCTP_PRIMARY_ADDR: 5683 { 5684 struct sctp_setprim *spa; 5685 struct sctp_nets *net; 5686 struct sockaddr *addr; 5687 #if defined(INET) && defined(INET6) 5688 struct sockaddr_in sin_store; 5689 #endif 5690 5691 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5692 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5693 5694 #if defined(INET) && defined(INET6) 5695 if (spa->ssp_addr.ss_family == AF_INET6) { 5696 struct sockaddr_in6 *sin6; 5697 5698 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5699 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5700 in6_sin6_2_sin(&sin_store, sin6); 5701 addr = (struct sockaddr *)&sin_store; 5702 } else { 5703 addr = (struct sockaddr *)&spa->ssp_addr; 5704 } 5705 } else { 5706 addr = (struct sockaddr *)&spa->ssp_addr; 5707 } 5708 #else 5709 addr = (struct sockaddr *)&spa->ssp_addr; 5710 #endif 5711 if (stcb != NULL) { 5712 net = sctp_findnet(stcb, addr); 5713 } else { 5714 /* 5715 * We increment here since 5716 * sctp_findassociation_ep_addr() wil do a 5717 * decrement if it finds the stcb as long as 5718 * the locked tcb (last argument) is NOT a 5719 * TCB.. aka NULL. 5720 */ 5721 net = NULL; 5722 SCTP_INP_INCR_REF(inp); 5723 stcb = sctp_findassociation_ep_addr(&inp, addr, 5724 &net, NULL, NULL); 5725 if (stcb == NULL) { 5726 SCTP_INP_DECR_REF(inp); 5727 } 5728 } 5729 5730 if ((stcb != NULL) && (net != NULL)) { 5731 if (net != stcb->asoc.primary_destination) { 5732 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) { 5733 /* Ok we need to set it */ 5734 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5735 if ((stcb->asoc.alternate) && 5736 (!(net->dest_state & SCTP_ADDR_PF)) && 5737 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5738 sctp_free_remote_addr(stcb->asoc.alternate); 5739 stcb->asoc.alternate = NULL; 5740 } 5741 } else { 5742 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5743 error = EINVAL; 5744 } 5745 } else { 5746 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5747 error = EINVAL; 5748 } 5749 } 5750 } else { 5751 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5752 error = EINVAL; 5753 } 5754 if (stcb != NULL) { 5755 SCTP_TCB_UNLOCK(stcb); 5756 } 5757 break; 5758 } 5759 case SCTP_SET_DYNAMIC_PRIMARY: 5760 { 5761 union sctp_sockstore *ss; 5762 5763 error = priv_check(curthread, 5764 PRIV_NETINET_RESERVEDPORT); 5765 if (error) 5766 break; 5767 5768 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5769 /* SUPER USER CHECK? */ 5770 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5771 break; 5772 } 5773 case SCTP_SET_PEER_PRIMARY_ADDR: 5774 { 5775 struct sctp_setpeerprim *sspp; 5776 struct sockaddr *addr; 5777 #if defined(INET) && defined(INET6) 5778 struct sockaddr_in sin_store; 5779 #endif 5780 5781 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5782 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5783 if (stcb != NULL) { 5784 struct sctp_ifa *ifa; 5785 5786 #if defined(INET) && defined(INET6) 5787 if (sspp->sspp_addr.ss_family == AF_INET6) { 5788 struct sockaddr_in6 *sin6; 5789 5790 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5791 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5792 in6_sin6_2_sin(&sin_store, sin6); 5793 addr = (struct sockaddr *)&sin_store; 5794 } else { 5795 addr = (struct sockaddr *)&sspp->sspp_addr; 5796 } 5797 } else { 5798 addr = (struct sockaddr *)&sspp->sspp_addr; 5799 } 5800 #else 5801 addr = (struct sockaddr *)&sspp->sspp_addr; 5802 #endif 5803 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5804 if (ifa == NULL) { 5805 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5806 error = EINVAL; 5807 goto out_of_it; 5808 } 5809 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5810 /* 5811 * Must validate the ifa found is in 5812 * our ep 5813 */ 5814 struct sctp_laddr *laddr; 5815 int found = 0; 5816 5817 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5818 if (laddr->ifa == NULL) { 5819 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5820 __func__); 5821 continue; 5822 } 5823 if ((sctp_is_addr_restricted(stcb, laddr->ifa)) && 5824 (!sctp_is_addr_pending(stcb, laddr->ifa))) { 5825 continue; 5826 } 5827 if (laddr->ifa == ifa) { 5828 found = 1; 5829 break; 5830 } 5831 } 5832 if (!found) { 5833 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5834 error = EINVAL; 5835 goto out_of_it; 5836 } 5837 } else { 5838 switch (addr->sa_family) { 5839 #ifdef INET 5840 case AF_INET: 5841 { 5842 struct sockaddr_in *sin; 5843 5844 sin = (struct sockaddr_in *)addr; 5845 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5846 &sin->sin_addr) != 0) { 5847 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5848 error = EINVAL; 5849 goto out_of_it; 5850 } 5851 break; 5852 } 5853 #endif 5854 #ifdef INET6 5855 case AF_INET6: 5856 { 5857 struct sockaddr_in6 *sin6; 5858 5859 sin6 = (struct sockaddr_in6 *)addr; 5860 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5861 &sin6->sin6_addr) != 0) { 5862 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5863 error = EINVAL; 5864 goto out_of_it; 5865 } 5866 break; 5867 } 5868 #endif 5869 default: 5870 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5871 error = EINVAL; 5872 goto out_of_it; 5873 } 5874 } 5875 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5876 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5877 error = EINVAL; 5878 } 5879 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5880 out_of_it: 5881 SCTP_TCB_UNLOCK(stcb); 5882 } else { 5883 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5884 error = EINVAL; 5885 } 5886 break; 5887 } 5888 case SCTP_BINDX_ADD_ADDR: 5889 { 5890 struct sctp_getaddresses *addrs; 5891 struct thread *td; 5892 5893 td = (struct thread *)p; 5894 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 5895 optsize); 5896 #ifdef INET 5897 if (addrs->addr->sa_family == AF_INET) { 5898 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5899 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5900 error = EINVAL; 5901 break; 5902 } 5903 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5904 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5905 break; 5906 } 5907 } else 5908 #endif 5909 #ifdef INET6 5910 if (addrs->addr->sa_family == AF_INET6) { 5911 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5912 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5913 error = EINVAL; 5914 break; 5915 } 5916 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5917 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5918 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5919 break; 5920 } 5921 } else 5922 #endif 5923 { 5924 error = EAFNOSUPPORT; 5925 break; 5926 } 5927 sctp_bindx_add_address(so, inp, addrs->addr, 5928 addrs->sget_assoc_id, vrf_id, 5929 &error, p); 5930 break; 5931 } 5932 case SCTP_BINDX_REM_ADDR: 5933 { 5934 struct sctp_getaddresses *addrs; 5935 struct thread *td; 5936 5937 td = (struct thread *)p; 5938 5939 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 5940 #ifdef INET 5941 if (addrs->addr->sa_family == AF_INET) { 5942 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) { 5943 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5944 error = EINVAL; 5945 break; 5946 } 5947 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 5948 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5949 break; 5950 } 5951 } else 5952 #endif 5953 #ifdef INET6 5954 if (addrs->addr->sa_family == AF_INET6) { 5955 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) { 5956 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5957 error = EINVAL; 5958 break; 5959 } 5960 if (td != NULL && 5961 (error = prison_local_ip6(td->td_ucred, 5962 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 5963 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5964 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5965 break; 5966 } 5967 } else 5968 #endif 5969 { 5970 error = EAFNOSUPPORT; 5971 break; 5972 } 5973 sctp_bindx_delete_address(inp, addrs->addr, 5974 addrs->sget_assoc_id, vrf_id, 5975 &error); 5976 break; 5977 } 5978 case SCTP_EVENT: 5979 { 5980 struct sctp_event *event; 5981 uint32_t event_type; 5982 5983 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 5984 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 5985 switch (event->se_type) { 5986 case SCTP_ASSOC_CHANGE: 5987 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 5988 break; 5989 case SCTP_PEER_ADDR_CHANGE: 5990 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 5991 break; 5992 case SCTP_REMOTE_ERROR: 5993 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 5994 break; 5995 case SCTP_SEND_FAILED: 5996 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 5997 break; 5998 case SCTP_SHUTDOWN_EVENT: 5999 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 6000 break; 6001 case SCTP_ADAPTATION_INDICATION: 6002 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 6003 break; 6004 case SCTP_PARTIAL_DELIVERY_EVENT: 6005 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 6006 break; 6007 case SCTP_AUTHENTICATION_EVENT: 6008 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 6009 break; 6010 case SCTP_STREAM_RESET_EVENT: 6011 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 6012 break; 6013 case SCTP_SENDER_DRY_EVENT: 6014 event_type = SCTP_PCB_FLAGS_DRYEVNT; 6015 break; 6016 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 6017 event_type = 0; 6018 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6019 error = ENOTSUP; 6020 break; 6021 case SCTP_ASSOC_RESET_EVENT: 6022 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 6023 break; 6024 case SCTP_STREAM_CHANGE_EVENT: 6025 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 6026 break; 6027 case SCTP_SEND_FAILED_EVENT: 6028 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 6029 break; 6030 default: 6031 event_type = 0; 6032 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6033 error = EINVAL; 6034 break; 6035 } 6036 if (event_type > 0) { 6037 if (stcb) { 6038 if (event->se_on) { 6039 sctp_stcb_feature_on(inp, stcb, event_type); 6040 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 6041 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 6042 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 6043 (stcb->asoc.stream_queue_cnt == 0)) { 6044 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 6045 } 6046 } 6047 } else { 6048 sctp_stcb_feature_off(inp, stcb, event_type); 6049 } 6050 SCTP_TCB_UNLOCK(stcb); 6051 } else { 6052 /* 6053 * We don't want to send up a storm 6054 * of events, so return an error for 6055 * sender dry events 6056 */ 6057 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 6058 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) && 6059 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) && 6060 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 6061 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 6062 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6063 error = ENOTSUP; 6064 break; 6065 } 6066 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6067 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6068 (event->se_assoc_id == SCTP_FUTURE_ASSOC) || 6069 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6070 SCTP_INP_WLOCK(inp); 6071 if (event->se_on) { 6072 sctp_feature_on(inp, event_type); 6073 } else { 6074 sctp_feature_off(inp, event_type); 6075 } 6076 SCTP_INP_WUNLOCK(inp); 6077 } 6078 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 6079 (event->se_assoc_id == SCTP_ALL_ASSOC)) { 6080 SCTP_INP_RLOCK(inp); 6081 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6082 SCTP_TCB_LOCK(stcb); 6083 if (event->se_on) { 6084 sctp_stcb_feature_on(inp, stcb, event_type); 6085 } else { 6086 sctp_stcb_feature_off(inp, stcb, event_type); 6087 } 6088 SCTP_TCB_UNLOCK(stcb); 6089 } 6090 SCTP_INP_RUNLOCK(inp); 6091 } 6092 } 6093 } 6094 break; 6095 } 6096 case SCTP_RECVRCVINFO: 6097 { 6098 int *onoff; 6099 6100 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6101 SCTP_INP_WLOCK(inp); 6102 if (*onoff != 0) { 6103 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6104 } else { 6105 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6106 } 6107 SCTP_INP_WUNLOCK(inp); 6108 break; 6109 } 6110 case SCTP_RECVNXTINFO: 6111 { 6112 int *onoff; 6113 6114 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6115 SCTP_INP_WLOCK(inp); 6116 if (*onoff != 0) { 6117 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6118 } else { 6119 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6120 } 6121 SCTP_INP_WUNLOCK(inp); 6122 break; 6123 } 6124 case SCTP_DEFAULT_SNDINFO: 6125 { 6126 struct sctp_sndinfo *info; 6127 uint16_t policy; 6128 6129 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6130 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6131 6132 if (stcb) { 6133 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6134 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6135 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6136 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6137 stcb->asoc.def_send.sinfo_flags |= policy; 6138 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6139 stcb->asoc.def_send.sinfo_context = info->snd_context; 6140 } else { 6141 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6142 error = EINVAL; 6143 } 6144 SCTP_TCB_UNLOCK(stcb); 6145 } else { 6146 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6147 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6148 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6149 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6150 SCTP_INP_WLOCK(inp); 6151 inp->def_send.sinfo_stream = info->snd_sid; 6152 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6153 inp->def_send.sinfo_flags = info->snd_flags; 6154 inp->def_send.sinfo_flags |= policy; 6155 inp->def_send.sinfo_ppid = info->snd_ppid; 6156 inp->def_send.sinfo_context = info->snd_context; 6157 SCTP_INP_WUNLOCK(inp); 6158 } 6159 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6160 (info->snd_assoc_id == SCTP_ALL_ASSOC)) { 6161 SCTP_INP_RLOCK(inp); 6162 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6163 SCTP_TCB_LOCK(stcb); 6164 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6165 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6166 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6167 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6168 stcb->asoc.def_send.sinfo_flags |= policy; 6169 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6170 stcb->asoc.def_send.sinfo_context = info->snd_context; 6171 } 6172 SCTP_TCB_UNLOCK(stcb); 6173 } 6174 SCTP_INP_RUNLOCK(inp); 6175 } 6176 } 6177 break; 6178 } 6179 case SCTP_DEFAULT_PRINFO: 6180 { 6181 struct sctp_default_prinfo *info; 6182 6183 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6184 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6185 6186 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6187 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6188 error = EINVAL; 6189 break; 6190 } 6191 if (stcb) { 6192 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6193 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6194 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6195 SCTP_TCB_UNLOCK(stcb); 6196 } else { 6197 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6198 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6199 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6200 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6201 SCTP_INP_WLOCK(inp); 6202 inp->def_send.sinfo_flags &= 0xfff0; 6203 inp->def_send.sinfo_flags |= info->pr_policy; 6204 inp->def_send.sinfo_timetolive = info->pr_value; 6205 SCTP_INP_WUNLOCK(inp); 6206 } 6207 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6208 (info->pr_assoc_id == SCTP_ALL_ASSOC)) { 6209 SCTP_INP_RLOCK(inp); 6210 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6211 SCTP_TCB_LOCK(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 } 6217 SCTP_INP_RUNLOCK(inp); 6218 } 6219 } 6220 break; 6221 } 6222 case SCTP_PEER_ADDR_THLDS: 6223 /* Applies to the specific association */ 6224 { 6225 struct sctp_paddrthlds *thlds; 6226 struct sctp_nets *net; 6227 struct sockaddr *addr; 6228 #if defined(INET) && defined(INET6) 6229 struct sockaddr_in sin_store; 6230 #endif 6231 6232 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6233 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6234 6235 #if defined(INET) && defined(INET6) 6236 if (thlds->spt_address.ss_family == AF_INET6) { 6237 struct sockaddr_in6 *sin6; 6238 6239 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6240 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6241 in6_sin6_2_sin(&sin_store, sin6); 6242 addr = (struct sockaddr *)&sin_store; 6243 } else { 6244 addr = (struct sockaddr *)&thlds->spt_address; 6245 } 6246 } else { 6247 addr = (struct sockaddr *)&thlds->spt_address; 6248 } 6249 #else 6250 addr = (struct sockaddr *)&thlds->spt_address; 6251 #endif 6252 if (stcb != NULL) { 6253 net = sctp_findnet(stcb, addr); 6254 } else { 6255 /* 6256 * We increment here since 6257 * sctp_findassociation_ep_addr() wil do a 6258 * decrement if it finds the stcb as long as 6259 * the locked tcb (last argument) is NOT a 6260 * TCB.. aka NULL. 6261 */ 6262 net = NULL; 6263 SCTP_INP_INCR_REF(inp); 6264 stcb = sctp_findassociation_ep_addr(&inp, addr, 6265 &net, NULL, NULL); 6266 if (stcb == NULL) { 6267 SCTP_INP_DECR_REF(inp); 6268 } 6269 } 6270 if ((stcb != NULL) && (net == NULL)) { 6271 #ifdef INET 6272 if (addr->sa_family == AF_INET) { 6273 6274 struct sockaddr_in *sin; 6275 6276 sin = (struct sockaddr_in *)addr; 6277 if (sin->sin_addr.s_addr != INADDR_ANY) { 6278 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6279 SCTP_TCB_UNLOCK(stcb); 6280 error = EINVAL; 6281 break; 6282 } 6283 } else 6284 #endif 6285 #ifdef INET6 6286 if (addr->sa_family == AF_INET6) { 6287 struct sockaddr_in6 *sin6; 6288 6289 sin6 = (struct sockaddr_in6 *)addr; 6290 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6291 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6292 SCTP_TCB_UNLOCK(stcb); 6293 error = EINVAL; 6294 break; 6295 } 6296 } else 6297 #endif 6298 { 6299 error = EAFNOSUPPORT; 6300 SCTP_TCB_UNLOCK(stcb); 6301 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6302 break; 6303 } 6304 } 6305 if (thlds->spt_pathcpthld != 0xffff) { 6306 error = EINVAL; 6307 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6308 break; 6309 } 6310 if (stcb != NULL) { 6311 if (net != NULL) { 6312 net->failure_threshold = thlds->spt_pathmaxrxt; 6313 net->pf_threshold = thlds->spt_pathpfthld; 6314 if (net->dest_state & SCTP_ADDR_PF) { 6315 if ((net->error_count > net->failure_threshold) || 6316 (net->error_count <= net->pf_threshold)) { 6317 net->dest_state &= ~SCTP_ADDR_PF; 6318 } 6319 } else { 6320 if ((net->error_count > net->pf_threshold) && 6321 (net->error_count <= net->failure_threshold)) { 6322 net->dest_state |= SCTP_ADDR_PF; 6323 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6324 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6325 stcb->sctp_ep, stcb, net, 6326 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); 6327 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6328 } 6329 } 6330 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6331 if (net->error_count > net->failure_threshold) { 6332 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6333 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6334 } 6335 } else { 6336 if (net->error_count <= net->failure_threshold) { 6337 net->dest_state |= SCTP_ADDR_REACHABLE; 6338 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6339 } 6340 } 6341 } else { 6342 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6343 net->failure_threshold = thlds->spt_pathmaxrxt; 6344 net->pf_threshold = thlds->spt_pathpfthld; 6345 if (net->dest_state & SCTP_ADDR_PF) { 6346 if ((net->error_count > net->failure_threshold) || 6347 (net->error_count <= net->pf_threshold)) { 6348 net->dest_state &= ~SCTP_ADDR_PF; 6349 } 6350 } else { 6351 if ((net->error_count > net->pf_threshold) && 6352 (net->error_count <= net->failure_threshold)) { 6353 net->dest_state |= SCTP_ADDR_PF; 6354 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6355 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6356 stcb->sctp_ep, stcb, net, 6357 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6358 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6359 } 6360 } 6361 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6362 if (net->error_count > net->failure_threshold) { 6363 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6364 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6365 } 6366 } else { 6367 if (net->error_count <= net->failure_threshold) { 6368 net->dest_state |= SCTP_ADDR_REACHABLE; 6369 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6370 } 6371 } 6372 } 6373 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6374 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6375 } 6376 SCTP_TCB_UNLOCK(stcb); 6377 } else { 6378 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6379 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6380 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) { 6381 SCTP_INP_WLOCK(inp); 6382 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6383 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6384 SCTP_INP_WUNLOCK(inp); 6385 } else { 6386 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6387 error = EINVAL; 6388 } 6389 } 6390 break; 6391 } 6392 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6393 { 6394 struct sctp_udpencaps *encaps; 6395 struct sctp_nets *net; 6396 struct sockaddr *addr; 6397 #if defined(INET) && defined(INET6) 6398 struct sockaddr_in sin_store; 6399 #endif 6400 6401 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6402 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6403 6404 #if defined(INET) && defined(INET6) 6405 if (encaps->sue_address.ss_family == AF_INET6) { 6406 struct sockaddr_in6 *sin6; 6407 6408 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6409 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6410 in6_sin6_2_sin(&sin_store, sin6); 6411 addr = (struct sockaddr *)&sin_store; 6412 } else { 6413 addr = (struct sockaddr *)&encaps->sue_address; 6414 } 6415 } else { 6416 addr = (struct sockaddr *)&encaps->sue_address; 6417 } 6418 #else 6419 addr = (struct sockaddr *)&encaps->sue_address; 6420 #endif 6421 if (stcb != NULL) { 6422 net = sctp_findnet(stcb, addr); 6423 } else { 6424 /* 6425 * We increment here since 6426 * sctp_findassociation_ep_addr() wil do a 6427 * decrement if it finds the stcb as long as 6428 * the locked tcb (last argument) is NOT a 6429 * TCB.. aka NULL. 6430 */ 6431 net = NULL; 6432 SCTP_INP_INCR_REF(inp); 6433 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6434 if (stcb == NULL) { 6435 SCTP_INP_DECR_REF(inp); 6436 } 6437 } 6438 if ((stcb != NULL) && (net == NULL)) { 6439 #ifdef INET 6440 if (addr->sa_family == AF_INET) { 6441 6442 struct sockaddr_in *sin; 6443 6444 sin = (struct sockaddr_in *)addr; 6445 if (sin->sin_addr.s_addr != INADDR_ANY) { 6446 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6447 SCTP_TCB_UNLOCK(stcb); 6448 error = EINVAL; 6449 break; 6450 } 6451 } else 6452 #endif 6453 #ifdef INET6 6454 if (addr->sa_family == AF_INET6) { 6455 struct sockaddr_in6 *sin6; 6456 6457 sin6 = (struct sockaddr_in6 *)addr; 6458 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6459 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6460 SCTP_TCB_UNLOCK(stcb); 6461 error = EINVAL; 6462 break; 6463 } 6464 } else 6465 #endif 6466 { 6467 error = EAFNOSUPPORT; 6468 SCTP_TCB_UNLOCK(stcb); 6469 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6470 break; 6471 } 6472 } 6473 if (stcb != NULL) { 6474 if (net != NULL) { 6475 net->port = encaps->sue_port; 6476 } else { 6477 stcb->asoc.port = encaps->sue_port; 6478 } 6479 SCTP_TCB_UNLOCK(stcb); 6480 } else { 6481 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6482 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6483 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) { 6484 SCTP_INP_WLOCK(inp); 6485 inp->sctp_ep.port = encaps->sue_port; 6486 SCTP_INP_WUNLOCK(inp); 6487 } else { 6488 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6489 error = EINVAL; 6490 } 6491 } 6492 break; 6493 } 6494 case SCTP_ECN_SUPPORTED: 6495 { 6496 struct sctp_assoc_value *av; 6497 6498 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6499 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6500 6501 if (stcb) { 6502 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6503 error = EINVAL; 6504 SCTP_TCB_UNLOCK(stcb); 6505 } else { 6506 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6507 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6508 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6509 SCTP_INP_WLOCK(inp); 6510 if (av->assoc_value == 0) { 6511 inp->ecn_supported = 0; 6512 } else { 6513 inp->ecn_supported = 1; 6514 } 6515 SCTP_INP_WUNLOCK(inp); 6516 } else { 6517 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6518 error = EINVAL; 6519 } 6520 } 6521 break; 6522 } 6523 case SCTP_PR_SUPPORTED: 6524 { 6525 struct sctp_assoc_value *av; 6526 6527 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6528 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6529 6530 if (stcb) { 6531 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6532 error = EINVAL; 6533 SCTP_TCB_UNLOCK(stcb); 6534 } else { 6535 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6536 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6537 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6538 SCTP_INP_WLOCK(inp); 6539 if (av->assoc_value == 0) { 6540 inp->prsctp_supported = 0; 6541 } else { 6542 inp->prsctp_supported = 1; 6543 } 6544 SCTP_INP_WUNLOCK(inp); 6545 } else { 6546 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6547 error = EINVAL; 6548 } 6549 } 6550 break; 6551 } 6552 case SCTP_AUTH_SUPPORTED: 6553 { 6554 struct sctp_assoc_value *av; 6555 6556 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6557 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6558 6559 if (stcb) { 6560 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6561 error = EINVAL; 6562 SCTP_TCB_UNLOCK(stcb); 6563 } else { 6564 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6565 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6566 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6567 if ((av->assoc_value == 0) && 6568 (inp->asconf_supported == 1)) { 6569 /* 6570 * AUTH is required for 6571 * ASCONF 6572 */ 6573 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6574 error = EINVAL; 6575 } else { 6576 SCTP_INP_WLOCK(inp); 6577 if (av->assoc_value == 0) { 6578 inp->auth_supported = 0; 6579 } else { 6580 inp->auth_supported = 1; 6581 } 6582 SCTP_INP_WUNLOCK(inp); 6583 } 6584 } else { 6585 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6586 error = EINVAL; 6587 } 6588 } 6589 break; 6590 } 6591 case SCTP_ASCONF_SUPPORTED: 6592 { 6593 struct sctp_assoc_value *av; 6594 6595 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6596 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6597 6598 if (stcb) { 6599 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6600 error = EINVAL; 6601 SCTP_TCB_UNLOCK(stcb); 6602 } else { 6603 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6604 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6605 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6606 if ((av->assoc_value != 0) && 6607 (inp->auth_supported == 0)) { 6608 /* 6609 * AUTH is required for 6610 * ASCONF 6611 */ 6612 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6613 error = EINVAL; 6614 } else { 6615 SCTP_INP_WLOCK(inp); 6616 if (av->assoc_value == 0) { 6617 inp->asconf_supported = 0; 6618 sctp_auth_delete_chunk(SCTP_ASCONF, 6619 inp->sctp_ep.local_auth_chunks); 6620 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6621 inp->sctp_ep.local_auth_chunks); 6622 } else { 6623 inp->asconf_supported = 1; 6624 sctp_auth_add_chunk(SCTP_ASCONF, 6625 inp->sctp_ep.local_auth_chunks); 6626 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6627 inp->sctp_ep.local_auth_chunks); 6628 } 6629 SCTP_INP_WUNLOCK(inp); 6630 } 6631 } else { 6632 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6633 error = EINVAL; 6634 } 6635 } 6636 break; 6637 } 6638 case SCTP_RECONFIG_SUPPORTED: 6639 { 6640 struct sctp_assoc_value *av; 6641 6642 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6643 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6644 6645 if (stcb) { 6646 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6647 error = EINVAL; 6648 SCTP_TCB_UNLOCK(stcb); 6649 } else { 6650 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6651 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6652 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6653 SCTP_INP_WLOCK(inp); 6654 if (av->assoc_value == 0) { 6655 inp->reconfig_supported = 0; 6656 } else { 6657 inp->reconfig_supported = 1; 6658 } 6659 SCTP_INP_WUNLOCK(inp); 6660 } else { 6661 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6662 error = EINVAL; 6663 } 6664 } 6665 break; 6666 } 6667 case SCTP_NRSACK_SUPPORTED: 6668 { 6669 struct sctp_assoc_value *av; 6670 6671 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6672 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6673 6674 if (stcb) { 6675 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6676 error = EINVAL; 6677 SCTP_TCB_UNLOCK(stcb); 6678 } else { 6679 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6680 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6681 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6682 SCTP_INP_WLOCK(inp); 6683 if (av->assoc_value == 0) { 6684 inp->nrsack_supported = 0; 6685 } else { 6686 inp->nrsack_supported = 1; 6687 } 6688 SCTP_INP_WUNLOCK(inp); 6689 } else { 6690 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6691 error = EINVAL; 6692 } 6693 } 6694 break; 6695 } 6696 case SCTP_PKTDROP_SUPPORTED: 6697 { 6698 struct sctp_assoc_value *av; 6699 6700 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6701 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6702 6703 if (stcb) { 6704 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6705 error = EINVAL; 6706 SCTP_TCB_UNLOCK(stcb); 6707 } else { 6708 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6709 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6710 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6711 SCTP_INP_WLOCK(inp); 6712 if (av->assoc_value == 0) { 6713 inp->pktdrop_supported = 0; 6714 } else { 6715 inp->pktdrop_supported = 1; 6716 } 6717 SCTP_INP_WUNLOCK(inp); 6718 } else { 6719 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6720 error = EINVAL; 6721 } 6722 } 6723 break; 6724 } 6725 case SCTP_MAX_CWND: 6726 { 6727 struct sctp_assoc_value *av; 6728 struct sctp_nets *net; 6729 6730 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6731 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6732 6733 if (stcb) { 6734 stcb->asoc.max_cwnd = av->assoc_value; 6735 if (stcb->asoc.max_cwnd > 0) { 6736 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6737 if ((net->cwnd > stcb->asoc.max_cwnd) && 6738 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6739 net->cwnd = stcb->asoc.max_cwnd; 6740 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6741 net->cwnd = net->mtu - sizeof(struct sctphdr); 6742 } 6743 } 6744 } 6745 } 6746 SCTP_TCB_UNLOCK(stcb); 6747 } else { 6748 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6749 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6750 (av->assoc_id == SCTP_FUTURE_ASSOC)) { 6751 SCTP_INP_WLOCK(inp); 6752 inp->max_cwnd = av->assoc_value; 6753 SCTP_INP_WUNLOCK(inp); 6754 } else { 6755 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6756 error = EINVAL; 6757 } 6758 } 6759 break; 6760 } 6761 default: 6762 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6763 error = ENOPROTOOPT; 6764 break; 6765 } /* end switch (opt) */ 6766 return (error); 6767 } 6768 6769 int 6770 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6771 { 6772 void *optval = NULL; 6773 size_t optsize = 0; 6774 void *p; 6775 int error = 0; 6776 struct sctp_inpcb *inp; 6777 6778 if ((sopt->sopt_level == SOL_SOCKET) && 6779 (sopt->sopt_name == SO_SETFIB)) { 6780 inp = (struct sctp_inpcb *)so->so_pcb; 6781 if (inp == NULL) { 6782 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6783 return (EINVAL); 6784 } 6785 SCTP_INP_WLOCK(inp); 6786 inp->fibnum = so->so_fibnum; 6787 SCTP_INP_WUNLOCK(inp); 6788 return (0); 6789 } 6790 if (sopt->sopt_level != IPPROTO_SCTP) { 6791 /* wrong proto level... send back up to IP */ 6792 #ifdef INET6 6793 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6794 error = ip6_ctloutput(so, sopt); 6795 #endif /* INET6 */ 6796 #if defined(INET) && defined(INET6) 6797 else 6798 #endif 6799 #ifdef INET 6800 error = ip_ctloutput(so, sopt); 6801 #endif 6802 return (error); 6803 } 6804 optsize = sopt->sopt_valsize; 6805 if (optsize) { 6806 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6807 if (optval == NULL) { 6808 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6809 return (ENOBUFS); 6810 } 6811 error = sooptcopyin(sopt, optval, optsize, optsize); 6812 if (error) { 6813 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6814 goto out; 6815 } 6816 } 6817 p = (void *)sopt->sopt_td; 6818 if (sopt->sopt_dir == SOPT_SET) { 6819 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6820 } else if (sopt->sopt_dir == SOPT_GET) { 6821 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6822 } else { 6823 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6824 error = EINVAL; 6825 } 6826 if ((error == 0) && (optval != NULL)) { 6827 error = sooptcopyout(sopt, optval, optsize); 6828 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6829 } else if (optval != NULL) { 6830 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6831 } 6832 out: 6833 return (error); 6834 } 6835 6836 #ifdef INET 6837 static int 6838 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6839 { 6840 int error = 0; 6841 int create_lock_on = 0; 6842 uint32_t vrf_id; 6843 struct sctp_inpcb *inp; 6844 struct sctp_tcb *stcb = NULL; 6845 6846 inp = (struct sctp_inpcb *)so->so_pcb; 6847 if (inp == NULL) { 6848 /* I made the same as TCP since we are not setup? */ 6849 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6850 return (ECONNRESET); 6851 } 6852 if (addr == NULL) { 6853 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6854 return EINVAL; 6855 } 6856 switch (addr->sa_family) { 6857 #ifdef INET6 6858 case AF_INET6: 6859 { 6860 struct sockaddr_in6 *sin6p; 6861 6862 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6863 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6864 return (EINVAL); 6865 } 6866 sin6p = (struct sockaddr_in6 *)addr; 6867 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 6868 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6869 return (error); 6870 } 6871 break; 6872 } 6873 #endif 6874 #ifdef INET 6875 case AF_INET: 6876 { 6877 struct sockaddr_in *sinp; 6878 6879 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6880 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6881 return (EINVAL); 6882 } 6883 sinp = (struct sockaddr_in *)addr; 6884 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 6885 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6886 return (error); 6887 } 6888 break; 6889 } 6890 #endif 6891 default: 6892 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 6893 return (EAFNOSUPPORT); 6894 } 6895 SCTP_INP_INCR_REF(inp); 6896 SCTP_ASOC_CREATE_LOCK(inp); 6897 create_lock_on = 1; 6898 6899 6900 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 6901 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 6902 /* Should I really unlock ? */ 6903 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 6904 error = EFAULT; 6905 goto out_now; 6906 } 6907 #ifdef INET6 6908 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 6909 (addr->sa_family == AF_INET6)) { 6910 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6911 error = EINVAL; 6912 goto out_now; 6913 } 6914 #endif 6915 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 6916 SCTP_PCB_FLAGS_UNBOUND) { 6917 /* Bind a ephemeral port */ 6918 error = sctp_inpcb_bind(so, NULL, NULL, p); 6919 if (error) { 6920 goto out_now; 6921 } 6922 } 6923 /* Now do we connect? */ 6924 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 6925 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 6926 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6927 error = EINVAL; 6928 goto out_now; 6929 } 6930 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 6931 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 6932 /* We are already connected AND the TCP model */ 6933 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 6934 error = EADDRINUSE; 6935 goto out_now; 6936 } 6937 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 6938 SCTP_INP_RLOCK(inp); 6939 stcb = LIST_FIRST(&inp->sctp_asoc_list); 6940 SCTP_INP_RUNLOCK(inp); 6941 } else { 6942 /* 6943 * We increment here since sctp_findassociation_ep_addr() 6944 * will do a decrement if it finds the stcb as long as the 6945 * locked tcb (last argument) is NOT a TCB.. aka NULL. 6946 */ 6947 SCTP_INP_INCR_REF(inp); 6948 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 6949 if (stcb == NULL) { 6950 SCTP_INP_DECR_REF(inp); 6951 } else { 6952 SCTP_TCB_UNLOCK(stcb); 6953 } 6954 } 6955 if (stcb != NULL) { 6956 /* Already have or am bring up an association */ 6957 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 6958 error = EALREADY; 6959 goto out_now; 6960 } 6961 vrf_id = inp->def_vrf_id; 6962 /* We are GOOD to go */ 6963 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, 6964 inp->sctp_ep.pre_open_stream_count, 6965 inp->sctp_ep.port, p); 6966 if (stcb == NULL) { 6967 /* Gak! no memory */ 6968 goto out_now; 6969 } 6970 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 6971 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 6972 /* Set the connected flag so we can queue data */ 6973 soisconnecting(so); 6974 } 6975 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 6976 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 6977 6978 /* initialize authentication parameters for the assoc */ 6979 sctp_initialize_auth_params(inp, stcb); 6980 6981 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 6982 SCTP_TCB_UNLOCK(stcb); 6983 out_now: 6984 if (create_lock_on) { 6985 SCTP_ASOC_CREATE_UNLOCK(inp); 6986 } 6987 SCTP_INP_DECR_REF(inp); 6988 return (error); 6989 } 6990 #endif 6991 6992 int 6993 sctp_listen(struct socket *so, int backlog, struct thread *p) 6994 { 6995 /* 6996 * Note this module depends on the protocol processing being called 6997 * AFTER any socket level flags and backlog are applied to the 6998 * socket. The traditional way that the socket flags are applied is 6999 * AFTER protocol processing. We have made a change to the 7000 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 7001 * place if the socket API for SCTP is to work properly. 7002 */ 7003 7004 int error = 0; 7005 struct sctp_inpcb *inp; 7006 7007 inp = (struct sctp_inpcb *)so->so_pcb; 7008 if (inp == NULL) { 7009 /* I made the same as TCP since we are not setup? */ 7010 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7011 return (ECONNRESET); 7012 } 7013 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 7014 /* See if we have a listener */ 7015 struct sctp_inpcb *tinp; 7016 union sctp_sockstore store; 7017 7018 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 7019 /* not bound all */ 7020 struct sctp_laddr *laddr; 7021 7022 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7023 memcpy(&store, &laddr->ifa->address, sizeof(store)); 7024 switch (store.sa.sa_family) { 7025 #ifdef INET 7026 case AF_INET: 7027 store.sin.sin_port = inp->sctp_lport; 7028 break; 7029 #endif 7030 #ifdef INET6 7031 case AF_INET6: 7032 store.sin6.sin6_port = inp->sctp_lport; 7033 break; 7034 #endif 7035 default: 7036 break; 7037 } 7038 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7039 if (tinp && (tinp != inp) && 7040 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7041 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7042 (tinp->sctp_socket->so_qlimit)) { 7043 /* 7044 * we have a listener already and 7045 * its not this inp. 7046 */ 7047 SCTP_INP_DECR_REF(tinp); 7048 return (EADDRINUSE); 7049 } else if (tinp) { 7050 SCTP_INP_DECR_REF(tinp); 7051 } 7052 } 7053 } else { 7054 /* Setup a local addr bound all */ 7055 memset(&store, 0, sizeof(store)); 7056 #ifdef INET6 7057 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 7058 store.sa.sa_family = AF_INET6; 7059 store.sa.sa_len = sizeof(struct sockaddr_in6); 7060 } 7061 #endif 7062 #ifdef INET 7063 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 7064 store.sa.sa_family = AF_INET; 7065 store.sa.sa_len = sizeof(struct sockaddr_in); 7066 } 7067 #endif 7068 switch (store.sa.sa_family) { 7069 #ifdef INET 7070 case AF_INET: 7071 store.sin.sin_port = inp->sctp_lport; 7072 break; 7073 #endif 7074 #ifdef INET6 7075 case AF_INET6: 7076 store.sin6.sin6_port = inp->sctp_lport; 7077 break; 7078 #endif 7079 default: 7080 break; 7081 } 7082 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7083 if (tinp && (tinp != inp) && 7084 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7085 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7086 (tinp->sctp_socket->so_qlimit)) { 7087 /* 7088 * we have a listener already and its not 7089 * this inp. 7090 */ 7091 SCTP_INP_DECR_REF(tinp); 7092 return (EADDRINUSE); 7093 } else if (tinp) { 7094 SCTP_INP_DECR_REF(tinp); 7095 } 7096 } 7097 } 7098 SCTP_INP_RLOCK(inp); 7099 #ifdef SCTP_LOCK_LOGGING 7100 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 7101 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 7102 } 7103 #endif 7104 SOCK_LOCK(so); 7105 error = solisten_proto_check(so); 7106 SOCK_UNLOCK(so); 7107 if (error) { 7108 SCTP_INP_RUNLOCK(inp); 7109 return (error); 7110 } 7111 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 7112 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 7113 /* 7114 * The unlucky case - We are in the tcp pool with this guy. 7115 * - Someone else is in the main inp slot. - We must move 7116 * this guy (the listener) to the main slot - We must then 7117 * move the guy that was listener to the TCP Pool. 7118 */ 7119 if (sctp_swap_inpcb_for_listen(inp)) { 7120 SCTP_INP_RUNLOCK(inp); 7121 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7122 return (EADDRINUSE); 7123 } 7124 } 7125 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7126 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7127 /* We are already connected AND the TCP model */ 7128 SCTP_INP_RUNLOCK(inp); 7129 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7130 return (EADDRINUSE); 7131 } 7132 SCTP_INP_RUNLOCK(inp); 7133 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7134 /* We must do a bind. */ 7135 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 7136 /* bind error, probably perm */ 7137 return (error); 7138 } 7139 } 7140 SOCK_LOCK(so); 7141 /* It appears for 7.0 and on, we must always call this. */ 7142 solisten_proto(so, backlog); 7143 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7144 /* remove the ACCEPTCONN flag for one-to-many sockets */ 7145 so->so_options &= ~SO_ACCEPTCONN; 7146 } 7147 if (backlog == 0) { 7148 /* turning off listen */ 7149 so->so_options &= ~SO_ACCEPTCONN; 7150 } 7151 SOCK_UNLOCK(so); 7152 return (error); 7153 } 7154 7155 static int sctp_defered_wakeup_cnt = 0; 7156 7157 int 7158 sctp_accept(struct socket *so, struct sockaddr **addr) 7159 { 7160 struct sctp_tcb *stcb; 7161 struct sctp_inpcb *inp; 7162 union sctp_sockstore store; 7163 #ifdef INET6 7164 int error; 7165 #endif 7166 inp = (struct sctp_inpcb *)so->so_pcb; 7167 7168 if (inp == NULL) { 7169 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7170 return (ECONNRESET); 7171 } 7172 SCTP_INP_RLOCK(inp); 7173 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7174 SCTP_INP_RUNLOCK(inp); 7175 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7176 return (EOPNOTSUPP); 7177 } 7178 if (so->so_state & SS_ISDISCONNECTED) { 7179 SCTP_INP_RUNLOCK(inp); 7180 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7181 return (ECONNABORTED); 7182 } 7183 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7184 if (stcb == NULL) { 7185 SCTP_INP_RUNLOCK(inp); 7186 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7187 return (ECONNRESET); 7188 } 7189 SCTP_TCB_LOCK(stcb); 7190 SCTP_INP_RUNLOCK(inp); 7191 store = stcb->asoc.primary_destination->ro._l_addr; 7192 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 7193 SCTP_TCB_UNLOCK(stcb); 7194 switch (store.sa.sa_family) { 7195 #ifdef INET 7196 case AF_INET: 7197 { 7198 struct sockaddr_in *sin; 7199 7200 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7201 if (sin == NULL) 7202 return (ENOMEM); 7203 sin->sin_family = AF_INET; 7204 sin->sin_len = sizeof(*sin); 7205 sin->sin_port = store.sin.sin_port; 7206 sin->sin_addr = store.sin.sin_addr; 7207 *addr = (struct sockaddr *)sin; 7208 break; 7209 } 7210 #endif 7211 #ifdef INET6 7212 case AF_INET6: 7213 { 7214 struct sockaddr_in6 *sin6; 7215 7216 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7217 if (sin6 == NULL) 7218 return (ENOMEM); 7219 sin6->sin6_family = AF_INET6; 7220 sin6->sin6_len = sizeof(*sin6); 7221 sin6->sin6_port = store.sin6.sin6_port; 7222 sin6->sin6_addr = store.sin6.sin6_addr; 7223 if ((error = sa6_recoverscope(sin6)) != 0) { 7224 SCTP_FREE_SONAME(sin6); 7225 return (error); 7226 } 7227 *addr = (struct sockaddr *)sin6; 7228 break; 7229 } 7230 #endif 7231 default: 7232 /* TSNH */ 7233 break; 7234 } 7235 /* Wake any delayed sleep action */ 7236 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7237 SCTP_INP_WLOCK(inp); 7238 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7239 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7240 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7241 SCTP_INP_WUNLOCK(inp); 7242 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7243 if (sowriteable(inp->sctp_socket)) { 7244 sowwakeup_locked(inp->sctp_socket); 7245 } else { 7246 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7247 } 7248 SCTP_INP_WLOCK(inp); 7249 } 7250 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7251 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7252 SCTP_INP_WUNLOCK(inp); 7253 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7254 if (soreadable(inp->sctp_socket)) { 7255 sctp_defered_wakeup_cnt++; 7256 sorwakeup_locked(inp->sctp_socket); 7257 } else { 7258 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7259 } 7260 SCTP_INP_WLOCK(inp); 7261 } 7262 SCTP_INP_WUNLOCK(inp); 7263 } 7264 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7265 SCTP_TCB_LOCK(stcb); 7266 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7267 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7268 } 7269 return (0); 7270 } 7271 7272 #ifdef INET 7273 int 7274 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7275 { 7276 struct sockaddr_in *sin; 7277 uint32_t vrf_id; 7278 struct sctp_inpcb *inp; 7279 struct sctp_ifa *sctp_ifa; 7280 7281 /* 7282 * Do the malloc first in case it blocks. 7283 */ 7284 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7285 if (sin == NULL) 7286 return (ENOMEM); 7287 sin->sin_family = AF_INET; 7288 sin->sin_len = sizeof(*sin); 7289 inp = (struct sctp_inpcb *)so->so_pcb; 7290 if (!inp) { 7291 SCTP_FREE_SONAME(sin); 7292 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7293 return (ECONNRESET); 7294 } 7295 SCTP_INP_RLOCK(inp); 7296 sin->sin_port = inp->sctp_lport; 7297 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7298 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7299 struct sctp_tcb *stcb; 7300 struct sockaddr_in *sin_a; 7301 struct sctp_nets *net; 7302 int fnd; 7303 7304 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7305 if (stcb == NULL) { 7306 goto notConn; 7307 } 7308 fnd = 0; 7309 sin_a = NULL; 7310 SCTP_TCB_LOCK(stcb); 7311 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7312 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7313 if (sin_a == NULL) 7314 /* this will make coverity happy */ 7315 continue; 7316 7317 if (sin_a->sin_family == AF_INET) { 7318 fnd = 1; 7319 break; 7320 } 7321 } 7322 if ((!fnd) || (sin_a == NULL)) { 7323 /* punt */ 7324 SCTP_TCB_UNLOCK(stcb); 7325 goto notConn; 7326 } 7327 vrf_id = inp->def_vrf_id; 7328 sctp_ifa = sctp_source_address_selection(inp, 7329 stcb, 7330 (sctp_route_t *)&net->ro, 7331 net, 0, vrf_id); 7332 if (sctp_ifa) { 7333 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7334 sctp_free_ifa(sctp_ifa); 7335 } 7336 SCTP_TCB_UNLOCK(stcb); 7337 } else { 7338 /* For the bound all case you get back 0 */ 7339 notConn: 7340 sin->sin_addr.s_addr = 0; 7341 } 7342 7343 } else { 7344 /* Take the first IPv4 address in the list */ 7345 struct sctp_laddr *laddr; 7346 int fnd = 0; 7347 7348 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7349 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7350 struct sockaddr_in *sin_a; 7351 7352 sin_a = &laddr->ifa->address.sin; 7353 sin->sin_addr = sin_a->sin_addr; 7354 fnd = 1; 7355 break; 7356 } 7357 } 7358 if (!fnd) { 7359 SCTP_FREE_SONAME(sin); 7360 SCTP_INP_RUNLOCK(inp); 7361 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7362 return (ENOENT); 7363 } 7364 } 7365 SCTP_INP_RUNLOCK(inp); 7366 (*addr) = (struct sockaddr *)sin; 7367 return (0); 7368 } 7369 7370 int 7371 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7372 { 7373 struct sockaddr_in *sin; 7374 int fnd; 7375 struct sockaddr_in *sin_a; 7376 struct sctp_inpcb *inp; 7377 struct sctp_tcb *stcb; 7378 struct sctp_nets *net; 7379 7380 /* Do the malloc first in case it blocks. */ 7381 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7382 if (sin == NULL) 7383 return (ENOMEM); 7384 sin->sin_family = AF_INET; 7385 sin->sin_len = sizeof(*sin); 7386 7387 inp = (struct sctp_inpcb *)so->so_pcb; 7388 if ((inp == NULL) || 7389 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7390 /* UDP type and listeners will drop out here */ 7391 SCTP_FREE_SONAME(sin); 7392 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7393 return (ENOTCONN); 7394 } 7395 SCTP_INP_RLOCK(inp); 7396 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7397 if (stcb) { 7398 SCTP_TCB_LOCK(stcb); 7399 } 7400 SCTP_INP_RUNLOCK(inp); 7401 if (stcb == NULL) { 7402 SCTP_FREE_SONAME(sin); 7403 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7404 return (ECONNRESET); 7405 } 7406 fnd = 0; 7407 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7408 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7409 if (sin_a->sin_family == AF_INET) { 7410 fnd = 1; 7411 sin->sin_port = stcb->rport; 7412 sin->sin_addr = sin_a->sin_addr; 7413 break; 7414 } 7415 } 7416 SCTP_TCB_UNLOCK(stcb); 7417 if (!fnd) { 7418 /* No IPv4 address */ 7419 SCTP_FREE_SONAME(sin); 7420 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7421 return (ENOENT); 7422 } 7423 (*addr) = (struct sockaddr *)sin; 7424 return (0); 7425 } 7426 7427 struct pr_usrreqs sctp_usrreqs = { 7428 .pru_abort = sctp_abort, 7429 .pru_accept = sctp_accept, 7430 .pru_attach = sctp_attach, 7431 .pru_bind = sctp_bind, 7432 .pru_connect = sctp_connect, 7433 .pru_control = in_control, 7434 .pru_close = sctp_close, 7435 .pru_detach = sctp_close, 7436 .pru_sopoll = sopoll_generic, 7437 .pru_flush = sctp_flush, 7438 .pru_disconnect = sctp_disconnect, 7439 .pru_listen = sctp_listen, 7440 .pru_peeraddr = sctp_peeraddr, 7441 .pru_send = sctp_sendm, 7442 .pru_shutdown = sctp_shutdown, 7443 .pru_sockaddr = sctp_ingetaddr, 7444 .pru_sosend = sctp_sosend, 7445 .pru_soreceive = sctp_soreceive 7446 }; 7447 #endif
Cache object: 2aad71a3ad10fc8205cbf57a0b923bcc
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