sctp_usrreq.c revision 169352
1163953Srrs/*- 2166675Srrs * Copyright (c) 2001-2007, Cisco Systems, Inc. All rights reserved. 3163953Srrs * 4163953Srrs * Redistribution and use in source and binary forms, with or without 5163953Srrs * modification, are permitted provided that the following conditions are met: 6163953Srrs * 7163953Srrs * a) Redistributions of source code must retain the above copyright notice, 8163953Srrs * this list of conditions and the following disclaimer. 9163953Srrs * 10163953Srrs * b) Redistributions in binary form must reproduce the above copyright 11163953Srrs * notice, this list of conditions and the following disclaimer in 12163953Srrs * the documentation and/or other materials provided with the distribution. 13163953Srrs * 14163953Srrs * c) Neither the name of Cisco Systems, Inc. nor the names of its 15163953Srrs * contributors may be used to endorse or promote products derived 16163953Srrs * from this software without specific prior written permission. 17163953Srrs * 18163953Srrs * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19163953Srrs * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 20163953Srrs * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21163953Srrs * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 22163953Srrs * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23163953Srrs * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24163953Srrs * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25163953Srrs * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26163953Srrs * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27163953Srrs * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 28163953Srrs * THE POSSIBILITY OF SUCH DAMAGE. 29163953Srrs */ 30163953Srrs 31163953Srrs/* $KAME: sctp_usrreq.c,v 1.48 2005/03/07 23:26:08 itojun Exp $ */ 32163953Srrs 33163953Srrs#include <sys/cdefs.h> 34163953Srrs__FBSDID("$FreeBSD: head/sys/netinet/sctp_usrreq.c 169352 2007-05-08 00:21:05Z rrs $"); 35166086Srrs#include <netinet/sctp_os.h> 36163953Srrs#include <sys/proc.h> 37163953Srrs#include <netinet/sctp_pcb.h> 38163953Srrs#include <netinet/sctp_header.h> 39163953Srrs#include <netinet/sctp_var.h> 40167695Srrs#if defined(INET6) 41167695Srrs#include <netinet6/sctp6_var.h> 42167695Srrs#endif 43167598Srrs#include <netinet/sctp_sysctl.h> 44163953Srrs#include <netinet/sctp_output.h> 45163953Srrs#include <netinet/sctp_uio.h> 46163953Srrs#include <netinet/sctp_asconf.h> 47163953Srrs#include <netinet/sctputil.h> 48163953Srrs#include <netinet/sctp_indata.h> 49163953Srrs#include <netinet/sctp_timer.h> 50163953Srrs#include <netinet/sctp_auth.h> 51164085Srrs 52163953Srrs 53163953Srrs 54163953Srrsvoid 55163953Srrssctp_init(void) 56163953Srrs{ 57163953Srrs /* Init the SCTP pcb in sctp_pcb.c */ 58163953Srrs u_long sb_max_adj; 59163953Srrs 60163953Srrs sctp_pcb_init(); 61163953Srrs 62163953Srrs if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 63163953Srrs sctp_max_chunks_on_queue = (nmbclusters / 8); 64163953Srrs /* 65163953Srrs * Allow a user to take no more than 1/2 the number of clusters or 66163953Srrs * the SB_MAX whichever is smaller for the send window. 67163953Srrs */ 68163953Srrs sb_max_adj = (u_long)((u_quad_t) (SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 69163953Srrs sctp_sendspace = min((min(SB_MAX, sb_max_adj)), 70163953Srrs ((nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT)); 71163953Srrs /* 72163953Srrs * Now for the recv window, should we take the same amount? or 73163953Srrs * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 74163953Srrs * now I will just copy. 75163953Srrs */ 76163953Srrs sctp_recvspace = sctp_sendspace; 77163953Srrs 78163953Srrs 79163953Srrs} 80163953Srrs 81163953Srrs 82166023Srrs 83166023Srrs/* 84166023Srrs * cleanup of the sctppcbinfo structure. 85166023Srrs * Assumes that the sctppcbinfo lock is held. 86166023Srrs */ 87166023Srrsvoid 88166023Srrssctp_pcbinfo_cleanup(void) 89166023Srrs{ 90166023Srrs /* free the hash tables */ 91166023Srrs if (sctppcbinfo.sctp_asochash != NULL) 92166023Srrs SCTP_HASH_FREE(sctppcbinfo.sctp_asochash, sctppcbinfo.hashasocmark); 93166023Srrs if (sctppcbinfo.sctp_ephash != NULL) 94166023Srrs SCTP_HASH_FREE(sctppcbinfo.sctp_ephash, sctppcbinfo.hashmark); 95166023Srrs if (sctppcbinfo.sctp_tcpephash != NULL) 96166023Srrs SCTP_HASH_FREE(sctppcbinfo.sctp_tcpephash, sctppcbinfo.hashtcpmark); 97166023Srrs if (sctppcbinfo.sctp_restarthash != NULL) 98166023Srrs SCTP_HASH_FREE(sctppcbinfo.sctp_restarthash, sctppcbinfo.hashrestartmark); 99166023Srrs} 100166023Srrs 101163953Srrs 102163953Srrsstatic void 103167695Srrssctp_pathmtu_adjustment(struct sctp_inpcb *inp, 104163953Srrs struct sctp_tcb *stcb, 105163953Srrs struct sctp_nets *net, 106163953Srrs uint16_t nxtsz) 107163953Srrs{ 108163953Srrs struct sctp_tmit_chunk *chk; 109163953Srrs 110163953Srrs /* Adjust that too */ 111163953Srrs stcb->asoc.smallest_mtu = nxtsz; 112163953Srrs /* now off to subtract IP_DF flag if needed */ 113169352Srrs#ifdef SCTP_PRINT_FOR_B_AND_M 114169352Srrs printf("sctp_pathmtu_adjust called inp:%p stcb:%p net:%p nxtsz:%d\n", 115169352Srrs inp, stcb, net, nxtsz); 116169352Srrs#endif 117163953Srrs TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) { 118163953Srrs if ((chk->send_size + IP_HDR_SIZE) > nxtsz) { 119163953Srrs chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 120163953Srrs } 121163953Srrs } 122163953Srrs TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) { 123163953Srrs if ((chk->send_size + IP_HDR_SIZE) > nxtsz) { 124163953Srrs /* 125163953Srrs * For this guy we also mark for immediate resend 126163953Srrs * since we sent to big of chunk 127163953Srrs */ 128163953Srrs chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 129163953Srrs if (chk->sent != SCTP_DATAGRAM_RESEND) { 130163953Srrs sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt); 131163953Srrs } 132163953Srrs chk->sent = SCTP_DATAGRAM_RESEND; 133163953Srrs chk->rec.data.doing_fast_retransmit = 0; 134168709Srrs#ifdef SCTP_FLIGHT_LOGGING 135168709Srrs sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 136168709Srrs chk->whoTo->flight_size, 137168709Srrs chk->book_size, 138168709Srrs (uintptr_t) chk->whoTo, 139168709Srrs chk->rec.data.TSN_seq); 140168709Srrs#endif 141163953Srrs /* Clear any time so NO RTT is being done */ 142163953Srrs chk->do_rtt = 0; 143168709Srrs sctp_flight_size_decrease(chk); 144168709Srrs sctp_total_flight_decrease(stcb, chk); 145163953Srrs } 146163953Srrs } 147163953Srrs} 148163953Srrs 149163953Srrsstatic void 150163953Srrssctp_notify_mbuf(struct sctp_inpcb *inp, 151163953Srrs struct sctp_tcb *stcb, 152163953Srrs struct sctp_nets *net, 153163953Srrs struct ip *ip, 154163953Srrs struct sctphdr *sh) 155163953Srrs{ 156163953Srrs struct icmp *icmph; 157163953Srrs int totsz, tmr_stopped = 0; 158163953Srrs uint16_t nxtsz; 159163953Srrs 160163953Srrs /* protection */ 161163953Srrs if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 162163953Srrs (ip == NULL) || (sh == NULL)) { 163163953Srrs if (stcb != NULL) 164163953Srrs SCTP_TCB_UNLOCK(stcb); 165163953Srrs return; 166163953Srrs } 167163953Srrs /* First job is to verify the vtag matches what I would send */ 168163953Srrs if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 169163953Srrs SCTP_TCB_UNLOCK(stcb); 170163953Srrs return; 171163953Srrs } 172163953Srrs icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 173163953Srrs sizeof(struct ip))); 174163953Srrs if (icmph->icmp_type != ICMP_UNREACH) { 175163953Srrs /* We only care about unreachable */ 176163953Srrs SCTP_TCB_UNLOCK(stcb); 177163953Srrs return; 178163953Srrs } 179163953Srrs if (icmph->icmp_code != ICMP_UNREACH_NEEDFRAG) { 180163953Srrs /* not a unreachable message due to frag. */ 181163953Srrs SCTP_TCB_UNLOCK(stcb); 182163953Srrs return; 183163953Srrs } 184163953Srrs totsz = ip->ip_len; 185163953Srrs 186163953Srrs nxtsz = ntohs(icmph->icmp_seq); 187163953Srrs if (nxtsz == 0) { 188163953Srrs /* 189163953Srrs * old type router that does not tell us what the next size 190163953Srrs * mtu is. Rats we will have to guess (in a educated fashion 191163953Srrs * of course) 192163953Srrs */ 193163953Srrs nxtsz = find_next_best_mtu(totsz); 194163953Srrs } 195163953Srrs /* Stop any PMTU timer */ 196165647Srrs if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 197163953Srrs tmr_stopped = 1; 198165220Srrs sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 199165220Srrs SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 200163953Srrs } 201163953Srrs /* Adjust destination size limit */ 202163953Srrs if (net->mtu > nxtsz) { 203163953Srrs net->mtu = nxtsz; 204163953Srrs } 205163953Srrs /* now what about the ep? */ 206163953Srrs if (stcb->asoc.smallest_mtu > nxtsz) { 207169352Srrs#ifdef SCTP_PRINT_FOR_B_AND_M 208169352Srrs printf("notify_mbuf (ICMP) calls sctp_pathmtu_adjust mtu:%d\n", 209169352Srrs nxtsz); 210169352Srrs#endif 211167695Srrs sctp_pathmtu_adjustment(inp, stcb, net, nxtsz); 212163953Srrs } 213163953Srrs if (tmr_stopped) 214163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 215163953Srrs 216163953Srrs SCTP_TCB_UNLOCK(stcb); 217163953Srrs} 218163953Srrs 219163953Srrs 220163953Srrsvoid 221163953Srrssctp_notify(struct sctp_inpcb *inp, 222167695Srrs int error, 223163953Srrs struct sctphdr *sh, 224163953Srrs struct sockaddr *to, 225163953Srrs struct sctp_tcb *stcb, 226163953Srrs struct sctp_nets *net) 227163953Srrs{ 228163953Srrs /* protection */ 229163953Srrs if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 230163953Srrs (sh == NULL) || (to == NULL)) { 231163953Srrs return; 232163953Srrs } 233163953Srrs /* First job is to verify the vtag matches what I would send */ 234163953Srrs if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 235163953Srrs return; 236163953Srrs } 237163953Srrs /* FIX ME FIX ME PROTOPT i.e. no SCTP should ALWAYS be an ABORT */ 238163953Srrs 239167695Srrs if ((error == EHOSTUNREACH) || /* Host is not reachable */ 240167695Srrs (error == EHOSTDOWN) || /* Host is down */ 241167695Srrs (error == ECONNREFUSED) || /* Host refused the connection, (not 242163953Srrs * an abort?) */ 243167695Srrs (error == ENOPROTOOPT) /* SCTP is not present on host */ 244163953Srrs ) { 245163953Srrs /* 246163953Srrs * Hmm reachablity problems we must examine closely. If its 247163953Srrs * not reachable, we may have lost a network. Or if there is 248163953Srrs * NO protocol at the other end named SCTP. well we consider 249163953Srrs * it a OOTB abort. 250163953Srrs */ 251167695Srrs if ((error == EHOSTUNREACH) || (error == EHOSTDOWN)) { 252163953Srrs if (net->dest_state & SCTP_ADDR_REACHABLE) { 253163953Srrs /* Ok that destination is NOT reachable */ 254167598Srrs printf("ICMP (thresh %d/%d) takes interface %p down\n", 255167598Srrs net->error_count, 256167598Srrs net->failure_threshold, 257167598Srrs net); 258167598Srrs 259163953Srrs net->dest_state &= ~SCTP_ADDR_REACHABLE; 260163953Srrs net->dest_state |= SCTP_ADDR_NOT_REACHABLE; 261163953Srrs net->error_count = net->failure_threshold + 1; 262163953Srrs sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 263163953Srrs stcb, SCTP_FAILED_THRESHOLD, 264163953Srrs (void *)net); 265163953Srrs } 266163953Srrs if (stcb) 267163953Srrs SCTP_TCB_UNLOCK(stcb); 268163953Srrs } else { 269163953Srrs /* 270163953Srrs * Here the peer is either playing tricks on us, 271163953Srrs * including an address that belongs to someone who 272163953Srrs * does not support SCTP OR was a userland 273163953Srrs * implementation that shutdown and now is dead. In 274163953Srrs * either case treat it like a OOTB abort with no 275163953Srrs * TCB 276163953Srrs */ 277163953Srrs sctp_abort_notification(stcb, SCTP_PEER_FAULTY); 278165220Srrs sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 279163953Srrs /* no need to unlock here, since the TCB is gone */ 280163953Srrs } 281163953Srrs } else { 282163953Srrs /* Send all others to the app */ 283163953Srrs if (stcb) 284163953Srrs SCTP_TCB_UNLOCK(stcb); 285163953Srrs 286163953Srrs 287163953Srrs if (inp->sctp_socket) { 288163953Srrs#ifdef SCTP_LOCK_LOGGING 289163953Srrs sctp_log_lock(inp, stcb, SCTP_LOG_LOCK_SOCK); 290163953Srrs#endif 291163953Srrs SOCK_LOCK(inp->sctp_socket); 292167695Srrs inp->sctp_socket->so_error = error; 293163953Srrs sctp_sowwakeup(inp, inp->sctp_socket); 294163953Srrs SOCK_UNLOCK(inp->sctp_socket); 295163953Srrs } 296163953Srrs } 297163953Srrs} 298163953Srrs 299163953Srrsvoid 300163953Srrssctp_ctlinput(cmd, sa, vip) 301163953Srrs int cmd; 302163953Srrs struct sockaddr *sa; 303163953Srrs void *vip; 304163953Srrs{ 305163953Srrs struct ip *ip = vip; 306163953Srrs struct sctphdr *sh; 307167598Srrs uint32_t vrf_id; 308163953Srrs 309168299Srrs /* FIX, for non-bsd is this right? */ 310167598Srrs vrf_id = SCTP_DEFAULT_VRFID; 311163953Srrs if (sa->sa_family != AF_INET || 312163953Srrs ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 313163953Srrs return; 314163953Srrs } 315163953Srrs if (PRC_IS_REDIRECT(cmd)) { 316163953Srrs ip = 0; 317163953Srrs } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 318163953Srrs return; 319163953Srrs } 320163953Srrs if (ip) { 321163953Srrs struct sctp_inpcb *inp = NULL; 322163953Srrs struct sctp_tcb *stcb = NULL; 323163953Srrs struct sctp_nets *net = NULL; 324163953Srrs struct sockaddr_in to, from; 325163953Srrs 326163953Srrs sh = (struct sctphdr *)((caddr_t)ip + (ip->ip_hl << 2)); 327163953Srrs bzero(&to, sizeof(to)); 328163953Srrs bzero(&from, sizeof(from)); 329163953Srrs from.sin_family = to.sin_family = AF_INET; 330163953Srrs from.sin_len = to.sin_len = sizeof(to); 331163953Srrs from.sin_port = sh->src_port; 332163953Srrs from.sin_addr = ip->ip_src; 333163953Srrs to.sin_port = sh->dest_port; 334163953Srrs to.sin_addr = ip->ip_dst; 335163953Srrs 336163953Srrs /* 337163953Srrs * 'to' holds the dest of the packet that failed to be sent. 338163953Srrs * 'from' holds our local endpoint address. Thus we reverse 339163953Srrs * the to and the from in the lookup. 340163953Srrs */ 341163953Srrs stcb = sctp_findassociation_addr_sa((struct sockaddr *)&from, 342163953Srrs (struct sockaddr *)&to, 343167598Srrs &inp, &net, 1, vrf_id); 344163953Srrs if (stcb != NULL && inp && (inp->sctp_socket != NULL)) { 345163953Srrs if (cmd != PRC_MSGSIZE) { 346163953Srrs int cm; 347163953Srrs 348163953Srrs if (cmd == PRC_HOSTDEAD) { 349163953Srrs cm = EHOSTUNREACH; 350163953Srrs } else { 351163953Srrs cm = inetctlerrmap[cmd]; 352163953Srrs } 353163953Srrs sctp_notify(inp, cm, sh, 354163953Srrs (struct sockaddr *)&to, stcb, 355163953Srrs net); 356163953Srrs } else { 357163953Srrs /* handle possible ICMP size messages */ 358163953Srrs sctp_notify_mbuf(inp, stcb, net, ip, sh); 359163953Srrs } 360163953Srrs } else { 361163953Srrs if ((stcb == NULL) && (inp != NULL)) { 362163953Srrs /* reduce ref-count */ 363163953Srrs SCTP_INP_WLOCK(inp); 364163953Srrs SCTP_INP_DECR_REF(inp); 365163953Srrs SCTP_INP_WUNLOCK(inp); 366163953Srrs } 367163953Srrs } 368163953Srrs } 369163953Srrs return; 370163953Srrs} 371163953Srrs 372163953Srrsstatic int 373163953Srrssctp_getcred(SYSCTL_HANDLER_ARGS) 374163953Srrs{ 375164085Srrs struct xucred xuc; 376163953Srrs struct sockaddr_in addrs[2]; 377163953Srrs struct sctp_inpcb *inp; 378163953Srrs struct sctp_nets *net; 379163953Srrs struct sctp_tcb *stcb; 380164085Srrs int error; 381167598Srrs uint32_t vrf_id; 382163953Srrs 383168299Srrs 384168299Srrs /* FIX, for non-bsd is this right? */ 385167598Srrs vrf_id = SCTP_DEFAULT_VRFID; 386168299Srrs 387164039Srwatson /* 388164039Srwatson * XXXRW: Other instances of getcred use SUSER_ALLOWJAIL, as socket 389164039Srwatson * visibility is scoped using cr_canseesocket(), which it is not 390164039Srwatson * here. 391164039Srwatson */ 392167598Srrs error = priv_check_cred(req->td->td_ucred, PRIV_NETINET_GETCRED, 393167598Srrs SUSER_ALLOWJAIL); 394163953Srrs if (error) 395163953Srrs return (error); 396164039Srwatson 397163953Srrs error = SYSCTL_IN(req, addrs, sizeof(addrs)); 398163953Srrs if (error) 399163953Srrs return (error); 400163953Srrs 401163953Srrs stcb = sctp_findassociation_addr_sa(sintosa(&addrs[0]), 402163953Srrs sintosa(&addrs[1]), 403167598Srrs &inp, &net, 1, vrf_id); 404163953Srrs if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 405163953Srrs if ((inp != NULL) && (stcb == NULL)) { 406163953Srrs /* reduce ref-count */ 407163953Srrs SCTP_INP_WLOCK(inp); 408163953Srrs SCTP_INP_DECR_REF(inp); 409164085Srrs goto cred_can_cont; 410163953Srrs } 411163953Srrs error = ENOENT; 412163953Srrs goto out; 413163953Srrs } 414163953Srrs SCTP_TCB_UNLOCK(stcb); 415164085Srrs /* 416164085Srrs * We use the write lock here, only since in the error leg we need 417164085Srrs * it. If we used RLOCK, then we would have to 418164085Srrs * wlock/decr/unlock/rlock. Which in theory could create a hole. 419164085Srrs * Better to use higher wlock. 420164085Srrs */ 421164085Srrs SCTP_INP_WLOCK(inp); 422164085Srrscred_can_cont: 423164085Srrs error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 424164085Srrs if (error) { 425164085Srrs SCTP_INP_WUNLOCK(inp); 426164085Srrs goto out; 427164085Srrs } 428164085Srrs cru2x(inp->sctp_socket->so_cred, &xuc); 429164085Srrs SCTP_INP_WUNLOCK(inp); 430164085Srrs error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 431163953Srrsout: 432163953Srrs return (error); 433163953Srrs} 434163953Srrs 435163953SrrsSYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW, 436163953Srrs 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection"); 437163953Srrs 438163953Srrs 439163953Srrsstatic void 440163953Srrssctp_abort(struct socket *so) 441163953Srrs{ 442163953Srrs struct sctp_inpcb *inp; 443163953Srrs uint32_t flags; 444163953Srrs 445163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 446163953Srrs if (inp == 0) 447163953Srrs return; 448163953Srrs 449163953Srrssctp_must_try_again: 450163953Srrs flags = inp->sctp_flags; 451163953Srrs#ifdef SCTP_LOG_CLOSING 452163953Srrs sctp_log_closing(inp, NULL, 17); 453163953Srrs#endif 454163953Srrs if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 455163953Srrs (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 456163953Srrs#ifdef SCTP_LOG_CLOSING 457163953Srrs sctp_log_closing(inp, NULL, 16); 458163953Srrs#endif 459163953Srrs sctp_inpcb_free(inp, 1, 0); 460163953Srrs SOCK_LOCK(so); 461167695Srrs SCTP_SB_CLEAR(so->so_snd); 462163953Srrs /* 463163953Srrs * same for the rcv ones, they are only here for the 464163953Srrs * accounting/select. 465163953Srrs */ 466167695Srrs SCTP_SB_CLEAR(so->so_rcv); 467167695Srrs 468167695Srrs /* Now null out the reference, we are completely detached. */ 469163953Srrs so->so_pcb = NULL; 470163953Srrs SOCK_UNLOCK(so); 471163953Srrs } else { 472163953Srrs flags = inp->sctp_flags; 473163953Srrs if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 474163953Srrs goto sctp_must_try_again; 475163953Srrs } 476163953Srrs } 477163953Srrs return; 478163953Srrs} 479163953Srrs 480163953Srrsstatic int 481163953Srrssctp_attach(struct socket *so, int proto, struct thread *p) 482163953Srrs{ 483163953Srrs struct sctp_inpcb *inp; 484163953Srrs struct inpcb *ip_inp; 485166086Srrs int error; 486163953Srrs 487163953Srrs#ifdef IPSEC 488163953Srrs uint32_t flags; 489163953Srrs 490163953Srrs#endif 491163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 492163953Srrs if (inp != 0) { 493163953Srrs return EINVAL; 494163953Srrs } 495167695Srrs error = SCTP_SORESERVE(so, sctp_sendspace, sctp_recvspace); 496163953Srrs if (error) { 497163953Srrs return error; 498163953Srrs } 499163953Srrs error = sctp_inpcb_alloc(so); 500163953Srrs if (error) { 501163953Srrs return error; 502163953Srrs } 503163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 504163953Srrs SCTP_INP_WLOCK(inp); 505163953Srrs 506163953Srrs inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 507163953Srrs ip_inp = &inp->ip_inp.inp; 508163953Srrs ip_inp->inp_vflag |= INP_IPV4; 509163953Srrs ip_inp->inp_ip_ttl = ip_defttl; 510163953Srrs 511163953Srrs#ifdef IPSEC 512163953Srrs error = ipsec_init_pcbpolicy(so, &ip_inp->inp_sp); 513163953Srrs#ifdef SCTP_LOG_CLOSING 514163953Srrs sctp_log_closing(inp, NULL, 17); 515163953Srrs#endif 516163953Srrs if (error != 0) { 517163953Srrs flags = inp->sctp_flags; 518163953Srrs if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 519163953Srrs (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 520163953Srrs#ifdef SCTP_LOG_CLOSING 521163953Srrs sctp_log_closing(inp, NULL, 15); 522163953Srrs#endif 523169352Srrs SCTP_INP_WUNLOCK(inp); 524163953Srrs sctp_inpcb_free(inp, 1, 0); 525169254Srrs } else { 526169352Srrs SCTP_INP_WUNLOCK(inp); 527163953Srrs } 528163953Srrs return error; 529163953Srrs } 530163953Srrs#endif /* IPSEC */ 531163953Srrs SCTP_INP_WUNLOCK(inp); 532163953Srrs return 0; 533163953Srrs} 534163953Srrs 535163953Srrsstatic int 536163953Srrssctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 537163953Srrs{ 538163953Srrs struct sctp_inpcb *inp; 539166086Srrs int error; 540163953Srrs 541163953Srrs#ifdef INET6 542163953Srrs if (addr && addr->sa_family != AF_INET) 543163953Srrs /* must be a v4 address! */ 544163953Srrs return EINVAL; 545163953Srrs#endif /* INET6 */ 546163953Srrs 547163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 548163953Srrs if (inp == 0) 549163953Srrs return EINVAL; 550163953Srrs 551163953Srrs error = sctp_inpcb_bind(so, addr, p); 552163953Srrs return error; 553163953Srrs} 554163953Srrs 555163953Srrsstatic void 556163953Srrssctp_close(struct socket *so) 557163953Srrs{ 558163953Srrs struct sctp_inpcb *inp; 559163953Srrs uint32_t flags; 560163953Srrs 561163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 562163953Srrs if (inp == 0) 563163953Srrs return; 564163953Srrs 565163953Srrs /* 566163953Srrs * Inform all the lower layer assoc that we are done. 567163953Srrs */ 568163953Srrssctp_must_try_again: 569163953Srrs flags = inp->sctp_flags; 570163953Srrs#ifdef SCTP_LOG_CLOSING 571163953Srrs sctp_log_closing(inp, NULL, 17); 572163953Srrs#endif 573163953Srrs if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 574163953Srrs (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 575163953Srrs if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 576163953Srrs (so->so_rcv.sb_cc > 0)) { 577163953Srrs#ifdef SCTP_LOG_CLOSING 578163953Srrs sctp_log_closing(inp, NULL, 13); 579163953Srrs#endif 580163953Srrs sctp_inpcb_free(inp, 1, 1); 581163953Srrs } else { 582163953Srrs#ifdef SCTP_LOG_CLOSING 583163953Srrs sctp_log_closing(inp, NULL, 14); 584163953Srrs#endif 585163953Srrs sctp_inpcb_free(inp, 0, 1); 586163953Srrs } 587163953Srrs /* 588163953Srrs * The socket is now detached, no matter what the state of 589163953Srrs * the SCTP association. 590163953Srrs */ 591163953Srrs SOCK_LOCK(so); 592167695Srrs SCTP_SB_CLEAR(so->so_snd); 593163953Srrs /* 594163953Srrs * same for the rcv ones, they are only here for the 595163953Srrs * accounting/select. 596163953Srrs */ 597167695Srrs SCTP_SB_CLEAR(so->so_rcv); 598167695Srrs 599167695Srrs /* Now null out the reference, we are completely detached. */ 600163953Srrs so->so_pcb = NULL; 601163953Srrs SOCK_UNLOCK(so); 602163953Srrs } else { 603163953Srrs flags = inp->sctp_flags; 604163953Srrs if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 605163953Srrs goto sctp_must_try_again; 606163953Srrs } 607163953Srrs } 608163953Srrs return; 609163953Srrs} 610163953Srrs 611163953Srrs 612163953Srrsint 613163953Srrssctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 614163953Srrs struct mbuf *control, struct thread *p); 615163953Srrs 616163953Srrs 617163953Srrsint 618163953Srrssctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 619163953Srrs struct mbuf *control, struct thread *p) 620163953Srrs{ 621163953Srrs struct sctp_inpcb *inp; 622163953Srrs int error; 623163953Srrs 624163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 625163953Srrs if (inp == 0) { 626163953Srrs if (control) { 627163953Srrs sctp_m_freem(control); 628163953Srrs control = NULL; 629163953Srrs } 630163953Srrs sctp_m_freem(m); 631163953Srrs return EINVAL; 632163953Srrs } 633163953Srrs /* Got to have an to address if we are NOT a connected socket */ 634163953Srrs if ((addr == NULL) && 635163953Srrs ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 636163953Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE)) 637163953Srrs ) { 638163953Srrs goto connected_type; 639163953Srrs } else if (addr == NULL) { 640163953Srrs error = EDESTADDRREQ; 641163953Srrs sctp_m_freem(m); 642163953Srrs if (control) { 643163953Srrs sctp_m_freem(control); 644163953Srrs control = NULL; 645163953Srrs } 646163953Srrs return (error); 647163953Srrs } 648163953Srrs#ifdef INET6 649163953Srrs if (addr->sa_family != AF_INET) { 650163953Srrs /* must be a v4 address! */ 651163953Srrs sctp_m_freem(m); 652163953Srrs if (control) { 653163953Srrs sctp_m_freem(control); 654163953Srrs control = NULL; 655163953Srrs } 656163953Srrs error = EDESTADDRREQ; 657163953Srrs return EINVAL; 658163953Srrs } 659163953Srrs#endif /* INET6 */ 660163953Srrsconnected_type: 661163953Srrs /* now what about control */ 662163953Srrs if (control) { 663163953Srrs if (inp->control) { 664163953Srrs printf("huh? control set?\n"); 665163953Srrs sctp_m_freem(inp->control); 666163953Srrs inp->control = NULL; 667163953Srrs } 668163953Srrs inp->control = control; 669163953Srrs } 670163953Srrs /* Place the data */ 671163953Srrs if (inp->pkt) { 672165647Srrs SCTP_BUF_NEXT(inp->pkt_last) = m; 673163953Srrs inp->pkt_last = m; 674163953Srrs } else { 675163953Srrs inp->pkt_last = inp->pkt = m; 676163953Srrs } 677163953Srrs if ( 678163953Srrs /* FreeBSD uses a flag passed */ 679163953Srrs ((flags & PRUS_MORETOCOME) == 0) 680163953Srrs ) { 681163953Srrs /* 682163953Srrs * note with the current version this code will only be used 683163953Srrs * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 684163953Srrs * re-defining sosend to use the sctp_sosend. One can 685163953Srrs * optionally switch back to this code (by changing back the 686163953Srrs * definitions) but this is not advisable. This code is used 687163953Srrs * by FreeBSD when sending a file with sendfile() though. 688163953Srrs */ 689163953Srrs int ret; 690163953Srrs 691163953Srrs ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 692163953Srrs inp->pkt = NULL; 693163953Srrs inp->control = NULL; 694163953Srrs return (ret); 695163953Srrs } else { 696163953Srrs return (0); 697163953Srrs } 698163953Srrs} 699163953Srrs 700163953Srrsstatic int 701163953Srrssctp_disconnect(struct socket *so) 702163953Srrs{ 703163953Srrs struct sctp_inpcb *inp; 704163953Srrs 705163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 706163953Srrs if (inp == NULL) { 707163953Srrs return (ENOTCONN); 708163953Srrs } 709163953Srrs SCTP_INP_RLOCK(inp); 710163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 711166675Srrs if (SCTP_LIST_EMPTY(&inp->sctp_asoc_list)) { 712163953Srrs /* No connection */ 713163953Srrs SCTP_INP_RUNLOCK(inp); 714163953Srrs return (0); 715163953Srrs } else { 716163953Srrs struct sctp_association *asoc; 717163953Srrs struct sctp_tcb *stcb; 718163953Srrs 719163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 720163953Srrs if (stcb == NULL) { 721163953Srrs SCTP_INP_RUNLOCK(inp); 722163953Srrs return (EINVAL); 723163953Srrs } 724163953Srrs SCTP_TCB_LOCK(stcb); 725163953Srrs asoc = &stcb->asoc; 726163953Srrs if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 727163953Srrs /* We are about to be freed, out of here */ 728163953Srrs SCTP_TCB_UNLOCK(stcb); 729163953Srrs SCTP_INP_RUNLOCK(inp); 730163953Srrs return (0); 731163953Srrs } 732163953Srrs if (((so->so_options & SO_LINGER) && 733163953Srrs (so->so_linger == 0)) || 734163953Srrs (so->so_rcv.sb_cc > 0)) { 735163953Srrs if (SCTP_GET_STATE(asoc) != 736163953Srrs SCTP_STATE_COOKIE_WAIT) { 737163953Srrs /* Left with Data unread */ 738163953Srrs struct mbuf *err; 739163953Srrs 740163953Srrs err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_DONTWAIT, 1, MT_DATA); 741163953Srrs if (err) { 742163953Srrs /* 743163953Srrs * Fill in the user 744163953Srrs * initiated abort 745163953Srrs */ 746163953Srrs struct sctp_paramhdr *ph; 747163953Srrs 748163953Srrs ph = mtod(err, struct sctp_paramhdr *); 749165647Srrs SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr); 750163953Srrs ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT); 751165647Srrs ph->param_length = htons(SCTP_BUF_LEN(err)); 752163953Srrs } 753163953Srrs sctp_send_abort_tcb(stcb, err); 754163953Srrs SCTP_STAT_INCR_COUNTER32(sctps_aborted); 755163953Srrs } 756163953Srrs SCTP_INP_RUNLOCK(inp); 757163953Srrs if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 758163953Srrs (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 759163953Srrs SCTP_STAT_DECR_GAUGE32(sctps_currestab); 760163953Srrs } 761165220Srrs sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 762163953Srrs /* No unlock tcb assoc is gone */ 763163953Srrs return (0); 764163953Srrs } 765163953Srrs if (TAILQ_EMPTY(&asoc->send_queue) && 766163953Srrs TAILQ_EMPTY(&asoc->sent_queue) && 767163953Srrs (asoc->stream_queue_cnt == 0)) { 768163953Srrs /* there is nothing queued to send, so done */ 769163953Srrs if (asoc->locked_on_sending) { 770163953Srrs goto abort_anyway; 771163953Srrs } 772166675Srrs if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) && 773166675Srrs (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 774163953Srrs /* only send SHUTDOWN 1st time thru */ 775163953Srrs sctp_stop_timers_for_shutdown(stcb); 776163953Srrs sctp_send_shutdown(stcb, 777163953Srrs stcb->asoc.primary_destination); 778163953Srrs sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3); 779166675Srrs if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 780166675Srrs (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 781166675Srrs SCTP_STAT_DECR_GAUGE32(sctps_currestab); 782166675Srrs } 783163953Srrs asoc->state = SCTP_STATE_SHUTDOWN_SENT; 784163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 785163953Srrs stcb->sctp_ep, stcb, 786163953Srrs asoc->primary_destination); 787163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 788163953Srrs stcb->sctp_ep, stcb, 789163953Srrs asoc->primary_destination); 790163953Srrs } 791163953Srrs } else { 792163953Srrs /* 793163953Srrs * we still got (or just got) data to send, 794163953Srrs * so set SHUTDOWN_PENDING 795163953Srrs */ 796163953Srrs /* 797163953Srrs * XXX sockets draft says that SCTP_EOF 798163953Srrs * should be sent with no data. currently, 799163953Srrs * we will allow user data to be sent first 800163953Srrs * and move to SHUTDOWN-PENDING 801163953Srrs */ 802163953Srrs asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 803163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 804163953Srrs asoc->primary_destination); 805163953Srrs if (asoc->locked_on_sending) { 806163953Srrs /* Locked to send out the data */ 807163953Srrs struct sctp_stream_queue_pending *sp; 808163953Srrs 809163953Srrs sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 810163953Srrs if (sp == NULL) { 811163959Srrs printf("Error, sp is NULL, locked on sending is non-null strm:%d\n", 812163953Srrs asoc->locked_on_sending->stream_no); 813163953Srrs } else { 814163953Srrs if ((sp->length == 0) && (sp->msg_is_complete == 0)) 815163953Srrs asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 816163953Srrs } 817163953Srrs } 818163953Srrs if (TAILQ_EMPTY(&asoc->send_queue) && 819163953Srrs TAILQ_EMPTY(&asoc->sent_queue) && 820163953Srrs (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 821163953Srrs struct mbuf *op_err; 822163953Srrs 823163953Srrs abort_anyway: 824163953Srrs op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)), 825163953Srrs 0, M_DONTWAIT, 1, MT_DATA); 826163953Srrs if (op_err) { 827163953Srrs /* 828163953Srrs * Fill in the user 829163953Srrs * initiated abort 830163953Srrs */ 831163953Srrs struct sctp_paramhdr *ph; 832163953Srrs uint32_t *ippp; 833163953Srrs 834165647Srrs SCTP_BUF_LEN(op_err) = 835163953Srrs (sizeof(struct sctp_paramhdr) + sizeof(uint32_t)); 836163953Srrs ph = mtod(op_err, 837163953Srrs struct sctp_paramhdr *); 838163953Srrs ph->param_type = htons( 839163953Srrs SCTP_CAUSE_USER_INITIATED_ABT); 840165647Srrs ph->param_length = htons(SCTP_BUF_LEN(op_err)); 841163953Srrs ippp = (uint32_t *) (ph + 1); 842165220Srrs *ippp = htonl(SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4); 843163953Srrs } 844165220Srrs stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 845163953Srrs sctp_send_abort_tcb(stcb, op_err); 846163953Srrs SCTP_STAT_INCR_COUNTER32(sctps_aborted); 847163953Srrs if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 848163953Srrs (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 849163953Srrs SCTP_STAT_DECR_GAUGE32(sctps_currestab); 850163953Srrs } 851163953Srrs SCTP_INP_RUNLOCK(inp); 852165220Srrs sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 853163953Srrs return (0); 854163953Srrs } 855163953Srrs } 856163953Srrs SCTP_TCB_UNLOCK(stcb); 857163953Srrs SCTP_INP_RUNLOCK(inp); 858163953Srrs return (0); 859163953Srrs } 860163953Srrs /* not reached */ 861168299Srrs printf("Not reached reached?\n"); 862163953Srrs } else { 863163953Srrs /* UDP model does not support this */ 864163953Srrs SCTP_INP_RUNLOCK(inp); 865163953Srrs return EOPNOTSUPP; 866163953Srrs } 867163953Srrs} 868163953Srrs 869163953Srrsint 870163953Srrssctp_shutdown(struct socket *so) 871163953Srrs{ 872163953Srrs struct sctp_inpcb *inp; 873163953Srrs 874163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 875163953Srrs if (inp == 0) { 876163953Srrs return EINVAL; 877163953Srrs } 878163953Srrs SCTP_INP_RLOCK(inp); 879163953Srrs /* For UDP model this is a invalid call */ 880163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 881163953Srrs /* Restore the flags that the soshutdown took away. */ 882163953Srrs so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 883163953Srrs /* This proc will wakeup for read and do nothing (I hope) */ 884163953Srrs SCTP_INP_RUNLOCK(inp); 885163953Srrs return (EOPNOTSUPP); 886163953Srrs } 887163953Srrs /* 888163953Srrs * Ok if we reach here its the TCP model and it is either a SHUT_WR 889163953Srrs * or SHUT_RDWR. This means we put the shutdown flag against it. 890163953Srrs */ 891163953Srrs { 892163953Srrs struct sctp_tcb *stcb; 893163953Srrs struct sctp_association *asoc; 894163953Srrs 895163953Srrs socantsendmore(so); 896163953Srrs 897163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 898163953Srrs if (stcb == NULL) { 899163953Srrs /* 900163953Srrs * Ok we hit the case that the shutdown call was 901163953Srrs * made after an abort or something. Nothing to do 902163953Srrs * now. 903163953Srrs */ 904168299Srrs SCTP_INP_RUNLOCK(inp); 905163953Srrs return (0); 906163953Srrs } 907163953Srrs SCTP_TCB_LOCK(stcb); 908163953Srrs asoc = &stcb->asoc; 909163953Srrs if (TAILQ_EMPTY(&asoc->send_queue) && 910163953Srrs TAILQ_EMPTY(&asoc->sent_queue) && 911163953Srrs (asoc->stream_queue_cnt == 0)) { 912163953Srrs if (asoc->locked_on_sending) { 913163953Srrs goto abort_anyway; 914163953Srrs } 915163953Srrs /* there is nothing queued to send, so I'm done... */ 916163953Srrs if (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) { 917163953Srrs /* only send SHUTDOWN the first time through */ 918163953Srrs sctp_stop_timers_for_shutdown(stcb); 919163953Srrs sctp_send_shutdown(stcb, 920163953Srrs stcb->asoc.primary_destination); 921163953Srrs sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3); 922166675Srrs if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 923166675Srrs (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 924166675Srrs SCTP_STAT_DECR_GAUGE32(sctps_currestab); 925166675Srrs } 926163953Srrs asoc->state = SCTP_STATE_SHUTDOWN_SENT; 927163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 928163953Srrs stcb->sctp_ep, stcb, 929163953Srrs asoc->primary_destination); 930163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 931163953Srrs stcb->sctp_ep, stcb, 932163953Srrs asoc->primary_destination); 933163953Srrs } 934163953Srrs } else { 935163953Srrs /* 936163953Srrs * we still got (or just got) data to send, so set 937163953Srrs * SHUTDOWN_PENDING 938163953Srrs */ 939163953Srrs asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 940163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 941163953Srrs asoc->primary_destination); 942163953Srrs 943163953Srrs if (asoc->locked_on_sending) { 944163953Srrs /* Locked to send out the data */ 945163953Srrs struct sctp_stream_queue_pending *sp; 946163953Srrs 947163953Srrs sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 948163953Srrs if (sp == NULL) { 949163959Srrs printf("Error, sp is NULL, locked on sending is non-null strm:%d\n", 950163953Srrs asoc->locked_on_sending->stream_no); 951163953Srrs } else { 952163953Srrs if ((sp->length == 0) && (sp->msg_is_complete == 0)) { 953163953Srrs asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 954163953Srrs } 955163953Srrs } 956163953Srrs } 957163953Srrs if (TAILQ_EMPTY(&asoc->send_queue) && 958163953Srrs TAILQ_EMPTY(&asoc->sent_queue) && 959163953Srrs (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 960163953Srrs struct mbuf *op_err; 961163953Srrs 962163953Srrs abort_anyway: 963163953Srrs op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)), 964163953Srrs 0, M_DONTWAIT, 1, MT_DATA); 965163953Srrs if (op_err) { 966163953Srrs /* Fill in the user initiated abort */ 967163953Srrs struct sctp_paramhdr *ph; 968163953Srrs uint32_t *ippp; 969163953Srrs 970165647Srrs SCTP_BUF_LEN(op_err) = 971163953Srrs sizeof(struct sctp_paramhdr) + sizeof(uint32_t); 972163953Srrs ph = mtod(op_err, 973163953Srrs struct sctp_paramhdr *); 974163953Srrs ph->param_type = htons( 975163953Srrs SCTP_CAUSE_USER_INITIATED_ABT); 976165647Srrs ph->param_length = htons(SCTP_BUF_LEN(op_err)); 977163953Srrs ippp = (uint32_t *) (ph + 1); 978165220Srrs *ippp = htonl(SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6); 979163953Srrs } 980165220Srrs stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 981163953Srrs sctp_abort_an_association(stcb->sctp_ep, stcb, 982163953Srrs SCTP_RESPONSE_TO_USER_REQ, 983163953Srrs op_err); 984163953Srrs goto skip_unlock; 985163953Srrs } 986163953Srrs } 987163953Srrs SCTP_TCB_UNLOCK(stcb); 988163953Srrs } 989163953Srrsskip_unlock: 990163953Srrs SCTP_INP_RUNLOCK(inp); 991163953Srrs return 0; 992163953Srrs} 993163953Srrs 994163953Srrs/* 995163953Srrs * copies a "user" presentable address and removes embedded scope, etc. 996163953Srrs * returns 0 on success, 1 on error 997163953Srrs */ 998163953Srrsstatic uint32_t 999163953Srrssctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 1000163953Srrs{ 1001163953Srrs struct sockaddr_in6 lsa6; 1002163953Srrs 1003163953Srrs sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 1004163953Srrs &lsa6); 1005163953Srrs memcpy(ss, sa, sa->sa_len); 1006163953Srrs return (0); 1007163953Srrs} 1008163953Srrs 1009163953Srrs 1010163953Srrs 1011166675Srrsstatic size_t 1012168124Srrssctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1013163953Srrs struct sctp_tcb *stcb, 1014166675Srrs size_t limit, 1015167598Srrs struct sockaddr_storage *sas, 1016167598Srrs uint32_t vrf_id) 1017163953Srrs{ 1018167598Srrs struct sctp_ifn *sctp_ifn; 1019167598Srrs struct sctp_ifa *sctp_ifa; 1020166675Srrs int loopback_scope, ipv4_local_scope, local_scope, site_scope; 1021166675Srrs size_t actual; 1022163953Srrs int ipv4_addr_legal, ipv6_addr_legal; 1023167598Srrs struct sctp_vrf *vrf; 1024163953Srrs 1025163953Srrs actual = 0; 1026163953Srrs if (limit <= 0) 1027163953Srrs return (actual); 1028163953Srrs 1029163953Srrs if (stcb) { 1030163953Srrs /* Turn on all the appropriate scope */ 1031163953Srrs loopback_scope = stcb->asoc.loopback_scope; 1032163953Srrs ipv4_local_scope = stcb->asoc.ipv4_local_scope; 1033163953Srrs local_scope = stcb->asoc.local_scope; 1034163953Srrs site_scope = stcb->asoc.site_scope; 1035163953Srrs } else { 1036163953Srrs /* Turn on ALL scope, since we look at the EP */ 1037163953Srrs loopback_scope = ipv4_local_scope = local_scope = 1038163953Srrs site_scope = 1; 1039163953Srrs } 1040163953Srrs ipv4_addr_legal = ipv6_addr_legal = 0; 1041163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1042163953Srrs ipv6_addr_legal = 1; 1043166023Srrs if (SCTP_IPV6_V6ONLY(inp) == 0) { 1044163953Srrs ipv4_addr_legal = 1; 1045163953Srrs } 1046163953Srrs } else { 1047163953Srrs ipv4_addr_legal = 1; 1048163953Srrs } 1049167598Srrs vrf = sctp_find_vrf(vrf_id); 1050167598Srrs if (vrf == NULL) { 1051167598Srrs return (0); 1052167598Srrs } 1053163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1054167598Srrs LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1055163953Srrs if ((loopback_scope == 0) && 1056167598Srrs SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1057163953Srrs /* Skip loopback if loopback_scope not set */ 1058163953Srrs continue; 1059163953Srrs } 1060167598Srrs LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1061163953Srrs if (stcb) { 1062163953Srrs /* 1063163953Srrs * For the BOUND-ALL case, the list 1064163953Srrs * associated with a TCB is Always 1065163953Srrs * considered a reverse list.. i.e. 1066163953Srrs * it lists addresses that are NOT 1067163953Srrs * part of the association. If this 1068163953Srrs * is one of those we must skip it. 1069163953Srrs */ 1070163953Srrs if (sctp_is_addr_restricted(stcb, 1071167598Srrs sctp_ifa)) { 1072163953Srrs continue; 1073163953Srrs } 1074163953Srrs } 1075167598Srrs if ((sctp_ifa->address.sa.sa_family == AF_INET) && 1076163953Srrs (ipv4_addr_legal)) { 1077163953Srrs struct sockaddr_in *sin; 1078163953Srrs 1079167598Srrs sin = (struct sockaddr_in *)&sctp_ifa->address.sa; 1080163953Srrs if (sin->sin_addr.s_addr == 0) { 1081163953Srrs /* 1082163953Srrs * we skip unspecifed 1083163953Srrs * addresses 1084163953Srrs */ 1085163953Srrs continue; 1086163953Srrs } 1087163953Srrs if ((ipv4_local_scope == 0) && 1088163953Srrs (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1089163953Srrs continue; 1090163953Srrs } 1091163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_NEEDS_MAPPED_V4) { 1092163953Srrs in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1093163953Srrs ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1094163953Srrs sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1095163953Srrs actual += sizeof(sizeof(struct sockaddr_in6)); 1096163953Srrs } else { 1097163953Srrs memcpy(sas, sin, sizeof(*sin)); 1098163953Srrs ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1099163953Srrs sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin)); 1100163953Srrs actual += sizeof(*sin); 1101163953Srrs } 1102163953Srrs if (actual >= limit) { 1103163953Srrs return (actual); 1104163953Srrs } 1105167598Srrs } else if ((sctp_ifa->address.sa.sa_family == AF_INET6) && 1106163953Srrs (ipv6_addr_legal)) { 1107163953Srrs struct sockaddr_in6 *sin6; 1108163953Srrs 1109167598Srrs sin6 = (struct sockaddr_in6 *)&sctp_ifa->address.sa; 1110163953Srrs if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1111163953Srrs /* 1112163953Srrs * we skip unspecifed 1113163953Srrs * addresses 1114163953Srrs */ 1115163953Srrs continue; 1116163953Srrs } 1117163953Srrs if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1118163953Srrs if (local_scope == 0) 1119163953Srrs continue; 1120163953Srrs if (sin6->sin6_scope_id == 0) { 1121163953Srrs if (sa6_recoverscope(sin6) != 0) 1122163953Srrs /* 1123163953Srrs * bad link 1124163953Srrs * local 1125163953Srrs * address 1126163953Srrs */ 1127163953Srrs continue; 1128163953Srrs } 1129163953Srrs } 1130163953Srrs if ((site_scope == 0) && 1131163953Srrs (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1132163953Srrs continue; 1133163953Srrs } 1134163953Srrs memcpy(sas, sin6, sizeof(*sin6)); 1135163953Srrs ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1136163953Srrs sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6)); 1137163953Srrs actual += sizeof(*sin6); 1138163953Srrs if (actual >= limit) { 1139163953Srrs return (actual); 1140163953Srrs } 1141163953Srrs } 1142163953Srrs } 1143163953Srrs } 1144163953Srrs } else { 1145163953Srrs struct sctp_laddr *laddr; 1146163953Srrs 1147167598Srrs /* The list is a NEGATIVE list */ 1148167598Srrs LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1149167598Srrs if (stcb) { 1150167598Srrs if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1151163953Srrs continue; 1152163953Srrs } 1153163953Srrs } 1154167598Srrs if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1155167598Srrs continue; 1156167598Srrs 1157167598Srrs ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1158167598Srrs sas = (struct sockaddr_storage *)((caddr_t)sas + 1159167598Srrs laddr->ifa->address.sa.sa_len); 1160167598Srrs actual += laddr->ifa->address.sa.sa_len; 1161167598Srrs if (actual >= limit) { 1162167598Srrs return (actual); 1163163953Srrs } 1164163953Srrs } 1165163953Srrs } 1166163953Srrs return (actual); 1167163953Srrs} 1168163953Srrs 1169168124Srrsstatic size_t 1170168124Srrssctp_fill_up_addresses(struct sctp_inpcb *inp, 1171168124Srrs struct sctp_tcb *stcb, 1172168124Srrs size_t limit, 1173168124Srrs struct sockaddr_storage *sas) 1174168124Srrs{ 1175168124Srrs size_t size = 0; 1176168124Srrs 1177168124Srrs /* fill up addresses for the endpoint's default vrf */ 1178168124Srrs size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1179168124Srrs inp->def_vrf_id); 1180168124Srrs return (size); 1181168124Srrs} 1182168124Srrs 1183163953Srrsstatic int 1184168124Srrssctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1185163953Srrs{ 1186163953Srrs int cnt = 0; 1187167598Srrs struct sctp_vrf *vrf = NULL; 1188163953Srrs 1189163953Srrs /* 1190163953Srrs * In both sub-set bound an bound_all cases we return the MAXIMUM 1191163953Srrs * number of addresses that you COULD get. In reality the sub-set 1192163953Srrs * bound may have an exclusion list for a given TCB OR in the 1193163953Srrs * bound-all case a TCB may NOT include the loopback or other 1194163953Srrs * addresses as well. 1195163953Srrs */ 1196167598Srrs vrf = sctp_find_vrf(vrf_id); 1197167598Srrs if (vrf == NULL) { 1198167598Srrs return (0); 1199167598Srrs } 1200163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1201167598Srrs struct sctp_ifn *sctp_ifn; 1202167598Srrs struct sctp_ifa *sctp_ifa; 1203163953Srrs 1204167598Srrs LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1205167598Srrs LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1206163953Srrs /* Count them if they are the right type */ 1207167598Srrs if (sctp_ifa->address.sa.sa_family == AF_INET) { 1208163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_NEEDS_MAPPED_V4) 1209163953Srrs cnt += sizeof(struct sockaddr_in6); 1210163953Srrs else 1211163953Srrs cnt += sizeof(struct sockaddr_in); 1212163953Srrs 1213167598Srrs } else if (sctp_ifa->address.sa.sa_family == AF_INET6) 1214163953Srrs cnt += sizeof(struct sockaddr_in6); 1215163953Srrs } 1216163953Srrs } 1217163953Srrs } else { 1218163953Srrs struct sctp_laddr *laddr; 1219163953Srrs 1220163953Srrs LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1221167598Srrs if (laddr->ifa->address.sa.sa_family == AF_INET) { 1222163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_NEEDS_MAPPED_V4) 1223163953Srrs cnt += sizeof(struct sockaddr_in6); 1224163953Srrs else 1225163953Srrs cnt += sizeof(struct sockaddr_in); 1226163953Srrs 1227167598Srrs } else if (laddr->ifa->address.sa.sa_family == AF_INET6) 1228163953Srrs cnt += sizeof(struct sockaddr_in6); 1229163953Srrs } 1230163953Srrs } 1231163953Srrs return (cnt); 1232163953Srrs} 1233163953Srrs 1234168124Srrsstatic int 1235168124Srrssctp_count_max_addresses(struct sctp_inpcb *inp) 1236168124Srrs{ 1237168124Srrs int cnt = 0; 1238166675Srrs 1239168124Srrs /* count addresses for the endpoint's default VRF */ 1240168124Srrs cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1241168124Srrs return (cnt); 1242168124Srrs} 1243168124Srrs 1244163953Srrsstatic int 1245166675Srrssctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1246166675Srrs size_t optsize, void *p, int delay) 1247163953Srrs{ 1248163953Srrs int error = 0; 1249163953Srrs int creat_lock_on = 0; 1250163953Srrs struct sctp_tcb *stcb = NULL; 1251163953Srrs struct sockaddr *sa; 1252169352Srrs int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1253169352Srrs int added = 0; 1254167598Srrs uint32_t vrf_id; 1255167598Srrs sctp_assoc_t *a_id; 1256163953Srrs 1257163953Srrs#ifdef SCTP_DEBUG 1258163953Srrs if (sctp_debug_on & SCTP_DEBUG_PCB1) { 1259163953Srrs printf("Connectx called\n"); 1260163953Srrs } 1261163953Srrs#endif /* SCTP_DEBUG */ 1262163953Srrs 1263163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1264163953Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1265163953Srrs /* We are already connected AND the TCP model */ 1266163953Srrs return (EADDRINUSE); 1267163953Srrs } 1268163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) { 1269163953Srrs return (EINVAL); 1270163953Srrs } 1271163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1272163953Srrs SCTP_INP_RLOCK(inp); 1273163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 1274163953Srrs SCTP_INP_RUNLOCK(inp); 1275163953Srrs } 1276163953Srrs if (stcb) { 1277163953Srrs return (EALREADY); 1278163953Srrs } 1279163953Srrs SCTP_INP_INCR_REF(inp); 1280163953Srrs SCTP_ASOC_CREATE_LOCK(inp); 1281163953Srrs creat_lock_on = 1; 1282163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1283163953Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1284163953Srrs error = EFAULT; 1285163953Srrs goto out_now; 1286163953Srrs } 1287166675Srrs totaddrp = (int *)optval; 1288163953Srrs totaddr = *totaddrp; 1289163953Srrs sa = (struct sockaddr *)(totaddrp + 1); 1290169352Srrs stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (optsize - sizeof(int))); 1291169352Srrs if (stcb != NULL) { 1292169352Srrs /* Already have or am bring up an association */ 1293169352Srrs SCTP_ASOC_CREATE_UNLOCK(inp); 1294169352Srrs creat_lock_on = 0; 1295169352Srrs SCTP_TCB_UNLOCK(stcb); 1296169352Srrs error = EALREADY; 1297169352Srrs goto out_now; 1298163953Srrs } 1299163953Srrs#ifdef INET6 1300163953Srrs if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1301163953Srrs (num_v6 > 0)) { 1302163953Srrs error = EINVAL; 1303163953Srrs goto out_now; 1304163953Srrs } 1305163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1306163953Srrs (num_v4 > 0)) { 1307163953Srrs struct in6pcb *inp6; 1308163953Srrs 1309163953Srrs inp6 = (struct in6pcb *)inp; 1310166023Srrs if (SCTP_IPV6_V6ONLY(inp6)) { 1311163953Srrs /* 1312163953Srrs * if IPV6_V6ONLY flag, ignore connections destined 1313163953Srrs * to a v4 addr or v4-mapped addr 1314163953Srrs */ 1315163953Srrs error = EINVAL; 1316163953Srrs goto out_now; 1317163953Srrs } 1318163953Srrs } 1319163953Srrs#endif /* INET6 */ 1320163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1321163953Srrs SCTP_PCB_FLAGS_UNBOUND) { 1322163953Srrs /* Bind a ephemeral port */ 1323163953Srrs error = sctp_inpcb_bind(so, NULL, p); 1324163953Srrs if (error) { 1325163953Srrs goto out_now; 1326163953Srrs } 1327163953Srrs } 1328167695Srrs /* FIX ME: do we want to pass in a vrf on the connect call? */ 1329167695Srrs vrf_id = inp->def_vrf_id; 1330167695Srrs 1331163953Srrs /* We are GOOD to go */ 1332167598Srrs stcb = sctp_aloc_assoc(inp, sa, 1, &error, 0, vrf_id); 1333163953Srrs if (stcb == NULL) { 1334163953Srrs /* Gak! no memory */ 1335163953Srrs goto out_now; 1336163953Srrs } 1337169352Srrs stcb->asoc.state = SCTP_STATE_COOKIE_WAIT; 1338163953Srrs /* move to second address */ 1339163953Srrs if (sa->sa_family == AF_INET) 1340163953Srrs sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1341163953Srrs else 1342163953Srrs sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1343163953Srrs 1344169352Srrs added = sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1345167598Srrs /* Fill in the return id */ 1346167598Srrs a_id = (sctp_assoc_t *) optval; 1347167598Srrs *a_id = sctp_get_associd(stcb); 1348163953Srrs 1349163953Srrs /* initialize authentication parameters for the assoc */ 1350163953Srrs sctp_initialize_auth_params(inp, stcb); 1351163953Srrs 1352163953Srrs if (delay) { 1353163953Srrs /* doing delayed connection */ 1354163953Srrs stcb->asoc.delayed_connection = 1; 1355163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1356163953Srrs } else { 1357163953Srrs SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1358163953Srrs sctp_send_initiate(inp, stcb); 1359163953Srrs } 1360163953Srrs SCTP_TCB_UNLOCK(stcb); 1361163953Srrs if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1362163953Srrs stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1363163953Srrs /* Set the connected flag so we can queue data */ 1364163953Srrs soisconnecting(so); 1365163953Srrs } 1366163953Srrsout_now: 1367163953Srrs if (creat_lock_on) 1368163953Srrs SCTP_ASOC_CREATE_UNLOCK(inp); 1369163953Srrs SCTP_INP_DECR_REF(inp); 1370163953Srrs return error; 1371163953Srrs} 1372163953Srrs 1373166675Srrs#define SCTP_FIND_STCB(inp, stcb, assoc_id) \ 1374166675Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { \ 1375166675Srrs SCTP_INP_RLOCK(inp); \ 1376166675Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1377166675Srrs if (stcb) \ 1378166675Srrs SCTP_TCB_LOCK(stcb); \ 1379166675Srrs SCTP_INP_RUNLOCK(inp); \ 1380166675Srrs } else if (assoc_id != 0) { \ 1381166675Srrs stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1382166675Srrs if (stcb == NULL) { \ 1383166675Srrs error = ENOENT; \ 1384166675Srrs break; \ 1385166675Srrs } \ 1386166675Srrs } else { \ 1387166675Srrs stcb = NULL; \ 1388166675Srrs } 1389163953Srrs 1390166675Srrs#define SCTP_CHECK_AND_CAST(destp, srcp, type, size) \ 1391166675Srrs if (size < sizeof(type)) { \ 1392166675Srrs error = EINVAL; \ 1393166675Srrs break; \ 1394166675Srrs } else { \ 1395166675Srrs destp = (type *)srcp; \ 1396166675Srrs } 1397163953Srrs 1398163953Srrsstatic int 1399166675Srrssctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1400166675Srrs void *p) 1401163953Srrs{ 1402163953Srrs struct sctp_inpcb *inp; 1403166675Srrs int error, val = 0; 1404163953Srrs struct sctp_tcb *stcb = NULL; 1405163953Srrs 1406166675Srrs if (optval == NULL) { 1407166675Srrs return (EINVAL); 1408166675Srrs } 1409163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 1410163953Srrs if (inp == 0) 1411163953Srrs return EINVAL; 1412163953Srrs error = 0; 1413163953Srrs 1414166675Srrs switch (optname) { 1415163953Srrs case SCTP_NODELAY: 1416163953Srrs case SCTP_AUTOCLOSE: 1417163953Srrs case SCTP_EXPLICIT_EOR: 1418163953Srrs case SCTP_AUTO_ASCONF: 1419163953Srrs case SCTP_DISABLE_FRAGMENTS: 1420163953Srrs case SCTP_I_WANT_MAPPED_V4_ADDR: 1421163953Srrs case SCTP_USE_EXT_RCVINFO: 1422163953Srrs SCTP_INP_RLOCK(inp); 1423166675Srrs switch (optname) { 1424163953Srrs case SCTP_DISABLE_FRAGMENTS: 1425166675Srrs val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1426163953Srrs break; 1427163953Srrs case SCTP_I_WANT_MAPPED_V4_ADDR: 1428166675Srrs val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1429163953Srrs break; 1430163953Srrs case SCTP_AUTO_ASCONF: 1431166675Srrs val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1432163953Srrs break; 1433163953Srrs case SCTP_EXPLICIT_EOR: 1434166675Srrs val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1435163953Srrs break; 1436163953Srrs case SCTP_NODELAY: 1437166675Srrs val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1438163953Srrs break; 1439163953Srrs case SCTP_USE_EXT_RCVINFO: 1440166675Srrs val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1441163953Srrs break; 1442163953Srrs case SCTP_AUTOCLOSE: 1443163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1444166675Srrs val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1445163953Srrs else 1446166675Srrs val = 0; 1447163953Srrs break; 1448163953Srrs 1449163953Srrs default: 1450163953Srrs error = ENOPROTOOPT; 1451163953Srrs } /* end switch (sopt->sopt_name) */ 1452166675Srrs if (optname != SCTP_AUTOCLOSE) { 1453163953Srrs /* make it an "on/off" value */ 1454166675Srrs val = (val != 0); 1455163953Srrs } 1456166675Srrs if (*optsize < sizeof(val)) { 1457163953Srrs error = EINVAL; 1458163953Srrs } 1459163953Srrs SCTP_INP_RUNLOCK(inp); 1460163953Srrs if (error == 0) { 1461163953Srrs /* return the option value */ 1462166675Srrs *(int *)optval = val; 1463166675Srrs *optsize = sizeof(val); 1464163953Srrs } 1465163953Srrs break; 1466167598Srrs 1467163953Srrs case SCTP_PARTIAL_DELIVERY_POINT: 1468163953Srrs { 1469166675Srrs uint32_t *value; 1470166675Srrs 1471166675Srrs SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1472166675Srrs *value = inp->partial_delivery_point; 1473166675Srrs *optsize = sizeof(uint32_t); 1474163953Srrs } 1475163953Srrs break; 1476163953Srrs case SCTP_FRAGMENT_INTERLEAVE: 1477163953Srrs { 1478166675Srrs uint32_t *value; 1479166675Srrs 1480166675Srrs SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1481168943Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1482168943Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1483168943Srrs *value = SCTP_FRAG_LEVEL_2; 1484168943Srrs } else { 1485168943Srrs *value = SCTP_FRAG_LEVEL_1; 1486168943Srrs } 1487168943Srrs } else { 1488168943Srrs *value = SCTP_FRAG_LEVEL_0; 1489168943Srrs } 1490166675Srrs *optsize = sizeof(uint32_t); 1491163953Srrs } 1492163953Srrs break; 1493163953Srrs case SCTP_CMT_ON_OFF: 1494163953Srrs { 1495166675Srrs struct sctp_assoc_value *av; 1496166675Srrs 1497166675Srrs SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1498166675Srrs if (sctp_cmt_on_off) { 1499166675Srrs SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1500166675Srrs if (stcb) { 1501166675Srrs av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1502166675Srrs SCTP_TCB_UNLOCK(stcb); 1503166675Srrs 1504166675Srrs } else { 1505166675Srrs error = ENOTCONN; 1506166675Srrs } 1507166675Srrs } else { 1508166675Srrs error = ENOPROTOOPT; 1509163953Srrs } 1510166675Srrs *optsize = sizeof(*av); 1511163953Srrs } 1512163953Srrs break; 1513163953Srrs case SCTP_GET_ADDR_LEN: 1514163953Srrs { 1515163953Srrs struct sctp_assoc_value *av; 1516163953Srrs 1517166675Srrs SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1518163953Srrs error = EINVAL; 1519167598Srrs#ifdef INET 1520163953Srrs if (av->assoc_value == AF_INET) { 1521163953Srrs av->assoc_value = sizeof(struct sockaddr_in); 1522163953Srrs error = 0; 1523163953Srrs } 1524163953Srrs#endif 1525167598Srrs#ifdef INET6 1526163953Srrs if (av->assoc_value == AF_INET6) { 1527163953Srrs av->assoc_value = sizeof(struct sockaddr_in6); 1528163953Srrs error = 0; 1529163953Srrs } 1530163953Srrs#endif 1531166675Srrs *optsize = sizeof(*av); 1532163953Srrs } 1533163953Srrs break; 1534163953Srrs case SCTP_GET_ASOC_ID_LIST: 1535163953Srrs { 1536163953Srrs struct sctp_assoc_ids *ids; 1537163953Srrs int cnt, at; 1538163953Srrs uint16_t orig; 1539163953Srrs 1540166675Srrs SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1541163953Srrs cnt = 0; 1542163953Srrs SCTP_INP_RLOCK(inp); 1543163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 1544163953Srrs if (stcb == NULL) { 1545163953Srrs none_out_now: 1546163953Srrs ids->asls_numb_present = 0; 1547163953Srrs ids->asls_more_to_get = 0; 1548163953Srrs SCTP_INP_RUNLOCK(inp); 1549163953Srrs break; 1550163953Srrs } 1551163953Srrs orig = ids->asls_assoc_start; 1552163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 1553163953Srrs while (orig) { 1554163953Srrs stcb = LIST_NEXT(stcb, sctp_tcblist); 1555163953Srrs orig--; 1556163953Srrs cnt--; 1557163953Srrs if (stcb == NULL) 1558163953Srrs goto none_out_now; 1559163953Srrs } 1560163953Srrs if (stcb == NULL) 1561163953Srrs goto none_out_now; 1562163953Srrs 1563163953Srrs at = 0; 1564163953Srrs ids->asls_numb_present = 0; 1565163953Srrs ids->asls_more_to_get = 1; 1566163953Srrs while (at < MAX_ASOC_IDS_RET) { 1567163953Srrs ids->asls_assoc_id[at] = sctp_get_associd(stcb); 1568163953Srrs at++; 1569163953Srrs ids->asls_numb_present++; 1570163953Srrs stcb = LIST_NEXT(stcb, sctp_tcblist); 1571163953Srrs if (stcb == NULL) { 1572163953Srrs ids->asls_more_to_get = 0; 1573163953Srrs break; 1574163953Srrs } 1575163953Srrs } 1576163953Srrs SCTP_INP_RUNLOCK(inp); 1577163953Srrs } 1578163953Srrs break; 1579163953Srrs case SCTP_CONTEXT: 1580163953Srrs { 1581163953Srrs struct sctp_assoc_value *av; 1582163953Srrs 1583166675Srrs SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1584166675Srrs SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1585166675Srrs 1586166675Srrs if (stcb) { 1587166675Srrs av->assoc_value = stcb->asoc.context; 1588166675Srrs SCTP_TCB_UNLOCK(stcb); 1589163953Srrs } else { 1590166675Srrs SCTP_INP_RLOCK(inp); 1591163953Srrs av->assoc_value = inp->sctp_context; 1592166675Srrs SCTP_INP_RUNLOCK(inp); 1593163953Srrs } 1594166675Srrs *optsize = sizeof(*av); 1595163953Srrs } 1596163953Srrs break; 1597167598Srrs case SCTP_VRF_ID: 1598167598Srrs { 1599167598Srrs uint32_t *vrf_id; 1600167598Srrs 1601167598Srrs SCTP_CHECK_AND_CAST(vrf_id, optval, uint32_t, *optsize); 1602167598Srrs *vrf_id = inp->def_vrf_id; 1603167598Srrs break; 1604167598Srrs } 1605167598Srrs case SCTP_GET_ASOC_VRF: 1606167598Srrs { 1607167598Srrs struct sctp_assoc_value *id; 1608167598Srrs 1609167598Srrs SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1610167598Srrs SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1611167598Srrs if (stcb == NULL) { 1612167598Srrs error = EINVAL; 1613167598Srrs break; 1614167598Srrs } 1615167598Srrs id->assoc_value = stcb->asoc.vrf_id; 1616167598Srrs break; 1617167598Srrs } 1618167598Srrs case SCTP_GET_VRF_IDS: 1619167598Srrs { 1620167598Srrs error = EOPNOTSUPP; 1621167598Srrs break; 1622167598Srrs } 1623163953Srrs case SCTP_GET_NONCE_VALUES: 1624163953Srrs { 1625163953Srrs struct sctp_get_nonce_values *gnv; 1626163953Srrs 1627166675Srrs SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 1628166675Srrs SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 1629166675Srrs 1630166675Srrs if (stcb) { 1631163953Srrs gnv->gn_peers_tag = stcb->asoc.peer_vtag; 1632163953Srrs gnv->gn_local_tag = stcb->asoc.my_vtag; 1633163953Srrs SCTP_TCB_UNLOCK(stcb); 1634166675Srrs } else { 1635166675Srrs error = ENOTCONN; 1636163953Srrs } 1637166675Srrs *optsize = sizeof(*gnv); 1638163953Srrs } 1639163953Srrs break; 1640163953Srrs case SCTP_DELAYED_ACK_TIME: 1641163953Srrs { 1642163953Srrs struct sctp_assoc_value *tm; 1643163953Srrs 1644166675Srrs SCTP_CHECK_AND_CAST(tm, optval, struct sctp_assoc_value, *optsize); 1645166675Srrs SCTP_FIND_STCB(inp, stcb, tm->assoc_id); 1646163953Srrs 1647166675Srrs if (stcb) { 1648166675Srrs tm->assoc_value = stcb->asoc.delayed_ack; 1649166675Srrs SCTP_TCB_UNLOCK(stcb); 1650166675Srrs } else { 1651163953Srrs SCTP_INP_RLOCK(inp); 1652166675Srrs tm->assoc_value = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 1653163953Srrs SCTP_INP_RUNLOCK(inp); 1654163953Srrs } 1655166675Srrs *optsize = sizeof(*tm); 1656163953Srrs } 1657163953Srrs break; 1658163953Srrs 1659163953Srrs case SCTP_GET_SNDBUF_USE: 1660166675Srrs { 1661163953Srrs struct sctp_sockstat *ss; 1662163953Srrs 1663166675Srrs SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 1664166675Srrs SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 1665166675Srrs 1666166675Srrs if (stcb) { 1667166675Srrs ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 1668166675Srrs ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 1669166675Srrs stcb->asoc.size_on_all_streams); 1670166675Srrs SCTP_TCB_UNLOCK(stcb); 1671166675Srrs } else { 1672163953Srrs error = ENOTCONN; 1673163953Srrs } 1674166675Srrs *optsize = sizeof(struct sctp_sockstat); 1675163953Srrs } 1676163953Srrs break; 1677163953Srrs case SCTP_MAXBURST: 1678163953Srrs { 1679166675Srrs uint8_t *value; 1680163953Srrs 1681166675Srrs SCTP_CHECK_AND_CAST(value, optval, uint8_t, *optsize); 1682166675Srrs 1683163953Srrs SCTP_INP_RLOCK(inp); 1684166675Srrs *value = inp->sctp_ep.max_burst; 1685163953Srrs SCTP_INP_RUNLOCK(inp); 1686166675Srrs *optsize = sizeof(uint8_t); 1687163953Srrs } 1688163953Srrs break; 1689163953Srrs case SCTP_MAXSEG: 1690163953Srrs { 1691167598Srrs struct sctp_assoc_value *av; 1692163953Srrs int ovh; 1693163953Srrs 1694167598Srrs SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1695168859Srrs if (av->assoc_id) { 1696168859Srrs SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1697168859Srrs } else { 1698168859Srrs stcb = NULL; 1699168859Srrs } 1700163953Srrs 1701167598Srrs if (stcb) { 1702167598Srrs av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 1703167598Srrs SCTP_TCB_UNLOCK(stcb); 1704163953Srrs } else { 1705167598Srrs SCTP_INP_RLOCK(inp); 1706167598Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1707167598Srrs ovh = SCTP_MED_OVERHEAD; 1708167598Srrs } else { 1709167598Srrs ovh = SCTP_MED_V4_OVERHEAD; 1710167598Srrs } 1711167598Srrs av->assoc_value = inp->sctp_frag_point - ovh; 1712167598Srrs SCTP_INP_RUNLOCK(inp); 1713163953Srrs } 1714167598Srrs *optsize = sizeof(struct sctp_assoc_value); 1715163953Srrs } 1716163953Srrs break; 1717163953Srrs case SCTP_GET_STAT_LOG: 1718163953Srrs#ifdef SCTP_STAT_LOGGING 1719167598Srrs error = sctp_fill_stat_log(optval, optsize); 1720167598Srrs#else 1721163953Srrs error = EOPNOTSUPP; 1722163953Srrs#endif 1723163953Srrs break; 1724163953Srrs case SCTP_EVENTS: 1725163953Srrs { 1726163953Srrs struct sctp_event_subscribe *events; 1727163953Srrs 1728166675Srrs SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 1729163953Srrs memset(events, 0, sizeof(*events)); 1730163953Srrs SCTP_INP_RLOCK(inp); 1731163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 1732163953Srrs events->sctp_data_io_event = 1; 1733163953Srrs 1734163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 1735163953Srrs events->sctp_association_event = 1; 1736163953Srrs 1737163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 1738163953Srrs events->sctp_address_event = 1; 1739163953Srrs 1740163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 1741163953Srrs events->sctp_send_failure_event = 1; 1742163953Srrs 1743163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 1744163953Srrs events->sctp_peer_error_event = 1; 1745163953Srrs 1746163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 1747163953Srrs events->sctp_shutdown_event = 1; 1748163953Srrs 1749163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 1750163953Srrs events->sctp_partial_delivery_event = 1; 1751163953Srrs 1752163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 1753163953Srrs events->sctp_adaptation_layer_event = 1; 1754163953Srrs 1755163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 1756163953Srrs events->sctp_authentication_event = 1; 1757163953Srrs 1758163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 1759163953Srrs events->sctp_stream_reset_events = 1; 1760163953Srrs SCTP_INP_RUNLOCK(inp); 1761166675Srrs *optsize = sizeof(struct sctp_event_subscribe); 1762163953Srrs } 1763163953Srrs break; 1764163953Srrs 1765163953Srrs case SCTP_ADAPTATION_LAYER: 1766166675Srrs { 1767166675Srrs uint32_t *value; 1768166675Srrs 1769166675Srrs SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1770166675Srrs 1771166675Srrs SCTP_INP_RLOCK(inp); 1772166675Srrs *value = inp->sctp_ep.adaptation_layer_indicator; 1773166675Srrs SCTP_INP_RUNLOCK(inp); 1774166675Srrs *optsize = sizeof(uint32_t); 1775163953Srrs } 1776163953Srrs break; 1777163953Srrs case SCTP_SET_INITIAL_DBG_SEQ: 1778166675Srrs { 1779166675Srrs uint32_t *value; 1780166675Srrs 1781166675Srrs SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1782166675Srrs SCTP_INP_RLOCK(inp); 1783166675Srrs *value = inp->sctp_ep.initial_sequence_debug; 1784166675Srrs SCTP_INP_RUNLOCK(inp); 1785166675Srrs *optsize = sizeof(uint32_t); 1786163953Srrs } 1787163953Srrs break; 1788163953Srrs case SCTP_GET_LOCAL_ADDR_SIZE: 1789166675Srrs { 1790166675Srrs uint32_t *value; 1791166675Srrs 1792166675Srrs SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1793166675Srrs SCTP_INP_RLOCK(inp); 1794168124Srrs *value = sctp_count_max_addresses(inp); 1795166675Srrs SCTP_INP_RUNLOCK(inp); 1796166675Srrs *optsize = sizeof(uint32_t); 1797163953Srrs } 1798163953Srrs break; 1799163953Srrs case SCTP_GET_REMOTE_ADDR_SIZE: 1800163953Srrs { 1801166675Srrs uint32_t *value; 1802166675Srrs size_t size; 1803163953Srrs struct sctp_nets *net; 1804163953Srrs 1805166675Srrs SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1806166675Srrs /* FIXME MT: change to sctp_assoc_value? */ 1807166675Srrs SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 1808166675Srrs 1809166675Srrs if (stcb) { 1810166675Srrs size = 0; 1811166675Srrs /* Count the sizes */ 1812166675Srrs TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 1813166675Srrs if ((stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_NEEDS_MAPPED_V4) || 1814166675Srrs (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET6)) { 1815166675Srrs size += sizeof(struct sockaddr_in6); 1816166675Srrs } else if (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET) { 1817166675Srrs size += sizeof(struct sockaddr_in); 1818166675Srrs } else { 1819166675Srrs /* huh */ 1820166675Srrs break; 1821166675Srrs } 1822163953Srrs } 1823166675Srrs SCTP_TCB_UNLOCK(stcb); 1824166675Srrs *value = (uint32_t) size; 1825166675Srrs } else { 1826166675Srrs error = ENOTCONN; 1827163953Srrs } 1828166675Srrs *optsize = sizeof(uint32_t); 1829163953Srrs } 1830163953Srrs break; 1831163953Srrs case SCTP_GET_PEER_ADDRESSES: 1832163953Srrs /* 1833163953Srrs * Get the address information, an array is passed in to 1834163953Srrs * fill up we pack it. 1835163953Srrs */ 1836163953Srrs { 1837166675Srrs size_t cpsz, left; 1838163953Srrs struct sockaddr_storage *sas; 1839163953Srrs struct sctp_nets *net; 1840163953Srrs struct sctp_getaddresses *saddr; 1841163953Srrs 1842166675Srrs SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 1843166675Srrs SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 1844163953Srrs 1845166675Srrs if (stcb) { 1846166675Srrs left = (*optsize) - sizeof(struct sctp_getaddresses); 1847166675Srrs *optsize = sizeof(struct sctp_getaddresses); 1848166675Srrs sas = (struct sockaddr_storage *)&saddr->addr[0]; 1849166675Srrs 1850166675Srrs TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 1851166675Srrs if ((stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_NEEDS_MAPPED_V4) || 1852166675Srrs (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET6)) { 1853166675Srrs cpsz = sizeof(struct sockaddr_in6); 1854166675Srrs } else if (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET) { 1855166675Srrs cpsz = sizeof(struct sockaddr_in); 1856166675Srrs } else { 1857166675Srrs /* huh */ 1858166675Srrs break; 1859166675Srrs } 1860166675Srrs if (left < cpsz) { 1861166675Srrs /* not enough room. */ 1862166675Srrs break; 1863166675Srrs } 1864166675Srrs if ((stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_NEEDS_MAPPED_V4) && 1865166675Srrs (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET)) { 1866166675Srrs /* Must map the address */ 1867166675Srrs in6_sin_2_v4mapsin6((struct sockaddr_in *)&net->ro._l_addr, 1868166675Srrs (struct sockaddr_in6 *)sas); 1869166675Srrs } else { 1870166675Srrs memcpy(sas, &net->ro._l_addr, cpsz); 1871166675Srrs } 1872166675Srrs ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 1873166675Srrs 1874166675Srrs sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 1875166675Srrs left -= cpsz; 1876166675Srrs *optsize += cpsz; 1877163953Srrs } 1878166675Srrs SCTP_TCB_UNLOCK(stcb); 1879166675Srrs } else { 1880166675Srrs error = ENOENT; 1881163953Srrs } 1882163953Srrs } 1883163953Srrs break; 1884163953Srrs case SCTP_GET_LOCAL_ADDRESSES: 1885163953Srrs { 1886166675Srrs size_t limit, actual; 1887163953Srrs struct sockaddr_storage *sas; 1888163953Srrs struct sctp_getaddresses *saddr; 1889163953Srrs 1890166675Srrs SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 1891166675Srrs SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 1892163953Srrs 1893163953Srrs sas = (struct sockaddr_storage *)&saddr->addr[0]; 1894166675Srrs limit = *optsize - sizeof(sctp_assoc_t); 1895168124Srrs actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 1896163953Srrs if (stcb) 1897163953Srrs SCTP_TCB_UNLOCK(stcb); 1898166675Srrs *optsize = sizeof(struct sockaddr_storage) + actual; 1899163953Srrs } 1900163953Srrs break; 1901163953Srrs case SCTP_PEER_ADDR_PARAMS: 1902163953Srrs { 1903163953Srrs struct sctp_paddrparams *paddrp; 1904163953Srrs struct sctp_nets *net; 1905163953Srrs 1906166675Srrs SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 1907166675Srrs SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 1908163953Srrs 1909163953Srrs net = NULL; 1910166675Srrs if (stcb) { 1911166675Srrs net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 1912166675Srrs } else { 1913166675Srrs /* 1914166675Srrs * We increment here since 1915166675Srrs * sctp_findassociation_ep_addr() wil do a 1916166675Srrs * decrement if it finds the stcb as long as 1917166675Srrs * the locked tcb (last argument) is NOT a 1918166675Srrs * TCB.. aka NULL. 1919166675Srrs */ 1920166675Srrs SCTP_INP_INCR_REF(inp); 1921166675Srrs stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddrp->spp_address, &net, NULL, NULL); 1922163953Srrs if (stcb == NULL) { 1923166675Srrs SCTP_INP_DECR_REF(inp); 1924163953Srrs } 1925163953Srrs } 1926163953Srrs 1927163953Srrs if (stcb) { 1928163953Srrs /* Applys to the specific association */ 1929163953Srrs paddrp->spp_flags = 0; 1930163953Srrs if (net) { 1931163953Srrs paddrp->spp_pathmaxrxt = net->failure_threshold; 1932163953Srrs paddrp->spp_pathmtu = net->mtu; 1933163953Srrs /* get flags for HB */ 1934163953Srrs if (net->dest_state & SCTP_ADDR_NOHB) 1935163953Srrs paddrp->spp_flags |= SPP_HB_DISABLE; 1936163953Srrs else 1937163953Srrs paddrp->spp_flags |= SPP_HB_ENABLE; 1938163953Srrs /* get flags for PMTU */ 1939165647Srrs if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 1940163953Srrs paddrp->spp_flags |= SPP_PMTUD_ENABLE; 1941163953Srrs } else { 1942163953Srrs paddrp->spp_flags |= SPP_PMTUD_DISABLE; 1943163953Srrs } 1944167598Srrs#ifdef INET 1945163953Srrs if (net->ro._l_addr.sin.sin_family == AF_INET) { 1946163953Srrs paddrp->spp_ipv4_tos = net->tos_flowlabel & 0x000000fc; 1947163953Srrs paddrp->spp_flags |= SPP_IPV4_TOS; 1948163953Srrs } 1949163953Srrs#endif 1950167598Srrs#ifdef INET6 1951163953Srrs if (net->ro._l_addr.sin6.sin6_family == AF_INET6) { 1952163953Srrs paddrp->spp_ipv6_flowlabel = net->tos_flowlabel; 1953163953Srrs paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 1954163953Srrs } 1955163953Srrs#endif 1956163953Srrs } else { 1957163953Srrs /* 1958163953Srrs * No destination so return default 1959163953Srrs * value 1960163953Srrs */ 1961163953Srrs paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 1962163953Srrs paddrp->spp_pathmtu = sctp_get_frag_point(stcb, &stcb->asoc); 1963167598Srrs#ifdef INET 1964163953Srrs paddrp->spp_ipv4_tos = stcb->asoc.default_tos & 0x000000fc; 1965163953Srrs paddrp->spp_flags |= SPP_IPV4_TOS; 1966163953Srrs#endif 1967167598Srrs#ifdef INET6 1968163953Srrs paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel; 1969163953Srrs paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 1970163953Srrs#endif 1971163953Srrs /* default settings should be these */ 1972163953Srrs if (sctp_is_hb_timer_running(stcb)) { 1973163953Srrs paddrp->spp_flags |= SPP_HB_ENABLE; 1974163953Srrs } 1975163953Srrs } 1976163953Srrs paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 1977163953Srrs paddrp->spp_assoc_id = sctp_get_associd(stcb); 1978163953Srrs SCTP_TCB_UNLOCK(stcb); 1979163953Srrs } else { 1980163953Srrs /* Use endpoint defaults */ 1981163953Srrs SCTP_INP_RLOCK(inp); 1982163953Srrs paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 1983163953Srrs paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 1984163953Srrs paddrp->spp_assoc_id = (sctp_assoc_t) 0; 1985163953Srrs /* get inp's default */ 1986167598Srrs#ifdef INET 1987163953Srrs paddrp->spp_ipv4_tos = inp->ip_inp.inp.inp_ip_tos; 1988163953Srrs paddrp->spp_flags |= SPP_IPV4_TOS; 1989163953Srrs#endif 1990167598Srrs#ifdef INET6 1991163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1992163953Srrs paddrp->spp_ipv6_flowlabel = ((struct in6pcb *)inp)->in6p_flowinfo; 1993163953Srrs paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 1994163953Srrs } 1995163953Srrs#endif 1996163953Srrs /* can't return this */ 1997163953Srrs paddrp->spp_pathmaxrxt = 0; 1998163953Srrs paddrp->spp_pathmtu = 0; 1999163953Srrs /* default behavior, no stcb */ 2000167598Srrs paddrp->spp_flags = SPP_HB_ENABLE | SPP_PMTUD_ENABLE; 2001163953Srrs 2002163953Srrs SCTP_INP_RUNLOCK(inp); 2003163953Srrs } 2004166675Srrs *optsize = sizeof(struct sctp_paddrparams); 2005163953Srrs } 2006163953Srrs break; 2007163953Srrs case SCTP_GET_PEER_ADDR_INFO: 2008163953Srrs { 2009163953Srrs struct sctp_paddrinfo *paddri; 2010163953Srrs struct sctp_nets *net; 2011163953Srrs 2012166675Srrs SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2013166675Srrs SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2014166675Srrs 2015163953Srrs net = NULL; 2016166675Srrs if (stcb) { 2017166675Srrs net = sctp_findnet(stcb, (struct sockaddr *)&paddri->spinfo_address); 2018166675Srrs } else { 2019166675Srrs /* 2020166675Srrs * We increment here since 2021166675Srrs * sctp_findassociation_ep_addr() wil do a 2022166675Srrs * decrement if it finds the stcb as long as 2023166675Srrs * the locked tcb (last argument) is NOT a 2024166675Srrs * TCB.. aka NULL. 2025166675Srrs */ 2026166675Srrs SCTP_INP_INCR_REF(inp); 2027166675Srrs stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddri->spinfo_address, &net, NULL, NULL); 2028166675Srrs if (stcb == NULL) { 2029166675Srrs SCTP_INP_DECR_REF(inp); 2030163953Srrs } 2031166675Srrs } 2032163953Srrs 2033166675Srrs if ((stcb) && (net)) { 2034166675Srrs paddri->spinfo_state = net->dest_state & (SCTP_REACHABLE_MASK | SCTP_ADDR_NOHB); 2035166675Srrs paddri->spinfo_cwnd = net->cwnd; 2036166675Srrs paddri->spinfo_srtt = ((net->lastsa >> 2) + net->lastsv) >> 1; 2037166675Srrs paddri->spinfo_rto = net->RTO; 2038166675Srrs paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2039166675Srrs SCTP_TCB_UNLOCK(stcb); 2040163953Srrs } else { 2041163953Srrs if (stcb) { 2042163953Srrs SCTP_TCB_UNLOCK(stcb); 2043163953Srrs } 2044163953Srrs error = ENOENT; 2045163953Srrs } 2046166675Srrs *optsize = sizeof(struct sctp_paddrinfo); 2047163953Srrs } 2048163953Srrs break; 2049163953Srrs case SCTP_PCB_STATUS: 2050163953Srrs { 2051163953Srrs struct sctp_pcbinfo *spcb; 2052163953Srrs 2053166675Srrs SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2054163953Srrs sctp_fill_pcbinfo(spcb); 2055166675Srrs *optsize = sizeof(struct sctp_pcbinfo); 2056163953Srrs } 2057163953Srrs break; 2058167598Srrs 2059163953Srrs case SCTP_STATUS: 2060163953Srrs { 2061163953Srrs struct sctp_nets *net; 2062163953Srrs struct sctp_status *sstat; 2063163953Srrs 2064166675Srrs SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2065166675Srrs SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2066163953Srrs 2067163953Srrs if (stcb == NULL) { 2068163953Srrs error = EINVAL; 2069163953Srrs break; 2070163953Srrs } 2071163953Srrs /* 2072163953Srrs * I think passing the state is fine since 2073163953Srrs * sctp_constants.h will be available to the user 2074163953Srrs * land. 2075163953Srrs */ 2076163953Srrs sstat->sstat_state = stcb->asoc.state; 2077163953Srrs sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2078163953Srrs sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2079163953Srrs /* 2080163953Srrs * We can't include chunks that have been passed to 2081163953Srrs * the socket layer. Only things in queue. 2082163953Srrs */ 2083163953Srrs sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2084163953Srrs stcb->asoc.cnt_on_all_streams); 2085163953Srrs 2086163953Srrs 2087163953Srrs sstat->sstat_instrms = stcb->asoc.streamincnt; 2088163953Srrs sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2089163953Srrs sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2090163953Srrs memcpy(&sstat->sstat_primary.spinfo_address, 2091163953Srrs &stcb->asoc.primary_destination->ro._l_addr, 2092163953Srrs ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2093163953Srrs net = stcb->asoc.primary_destination; 2094163953Srrs ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2095163953Srrs /* 2096163953Srrs * Again the user can get info from sctp_constants.h 2097163953Srrs * for what the state of the network is. 2098163953Srrs */ 2099163953Srrs sstat->sstat_primary.spinfo_state = net->dest_state & SCTP_REACHABLE_MASK; 2100163953Srrs sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2101163953Srrs sstat->sstat_primary.spinfo_srtt = net->lastsa; 2102163953Srrs sstat->sstat_primary.spinfo_rto = net->RTO; 2103163953Srrs sstat->sstat_primary.spinfo_mtu = net->mtu; 2104163953Srrs sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2105163953Srrs SCTP_TCB_UNLOCK(stcb); 2106166675Srrs *optsize = sizeof(*sstat); 2107163953Srrs } 2108163953Srrs break; 2109163953Srrs case SCTP_RTOINFO: 2110163953Srrs { 2111163953Srrs struct sctp_rtoinfo *srto; 2112163953Srrs 2113166675Srrs SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2114166675Srrs SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2115166675Srrs 2116166675Srrs if (stcb) { 2117166675Srrs srto->srto_initial = stcb->asoc.initial_rto; 2118166675Srrs srto->srto_max = stcb->asoc.maxrto; 2119166675Srrs srto->srto_min = stcb->asoc.minrto; 2120166675Srrs SCTP_TCB_UNLOCK(stcb); 2121166675Srrs } else { 2122163953Srrs SCTP_INP_RLOCK(inp); 2123163953Srrs srto->srto_initial = inp->sctp_ep.initial_rto; 2124163953Srrs srto->srto_max = inp->sctp_ep.sctp_maxrto; 2125163953Srrs srto->srto_min = inp->sctp_ep.sctp_minrto; 2126163953Srrs SCTP_INP_RUNLOCK(inp); 2127163953Srrs } 2128166675Srrs *optsize = sizeof(*srto); 2129163953Srrs } 2130163953Srrs break; 2131163953Srrs case SCTP_ASSOCINFO: 2132163953Srrs { 2133163953Srrs struct sctp_assocparams *sasoc; 2134163953Srrs 2135166675Srrs SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2136166675Srrs SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2137163953Srrs 2138163953Srrs if (stcb) { 2139163953Srrs sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2140163953Srrs sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2141163953Srrs sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2142163953Srrs sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2143163953Srrs sasoc->sasoc_cookie_life = stcb->asoc.cookie_life; 2144167598Srrs sasoc->sasoc_sack_delay = stcb->asoc.delayed_ack; 2145167598Srrs sasoc->sasoc_sack_freq = stcb->asoc.sack_freq; 2146163953Srrs SCTP_TCB_UNLOCK(stcb); 2147163953Srrs } else { 2148163953Srrs SCTP_INP_RLOCK(inp); 2149163953Srrs sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2150163953Srrs sasoc->sasoc_number_peer_destinations = 0; 2151163953Srrs sasoc->sasoc_peer_rwnd = 0; 2152163953Srrs sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2153163953Srrs sasoc->sasoc_cookie_life = inp->sctp_ep.def_cookie_life; 2154167598Srrs sasoc->sasoc_sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2155167598Srrs sasoc->sasoc_sack_freq = inp->sctp_ep.sctp_sack_freq; 2156163953Srrs SCTP_INP_RUNLOCK(inp); 2157163953Srrs } 2158166675Srrs *optsize = sizeof(*sasoc); 2159163953Srrs } 2160163953Srrs break; 2161163953Srrs case SCTP_DEFAULT_SEND_PARAM: 2162163953Srrs { 2163163953Srrs struct sctp_sndrcvinfo *s_info; 2164163953Srrs 2165166675Srrs SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2166166675Srrs SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2167166675Srrs 2168166675Srrs if (stcb) { 2169166675Srrs *s_info = stcb->asoc.def_send; 2170166675Srrs SCTP_TCB_UNLOCK(stcb); 2171166675Srrs } else { 2172163953Srrs SCTP_INP_RLOCK(inp); 2173166675Srrs *s_info = inp->def_send; 2174163953Srrs SCTP_INP_RUNLOCK(inp); 2175163953Srrs } 2176166675Srrs *optsize = sizeof(*s_info); 2177163953Srrs } 2178163953Srrs break; 2179163953Srrs case SCTP_INITMSG: 2180163953Srrs { 2181163953Srrs struct sctp_initmsg *sinit; 2182163953Srrs 2183166675Srrs SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2184163953Srrs SCTP_INP_RLOCK(inp); 2185163953Srrs sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2186163953Srrs sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2187163953Srrs sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2188163953Srrs sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2189163953Srrs SCTP_INP_RUNLOCK(inp); 2190166675Srrs *optsize = sizeof(*sinit); 2191163953Srrs } 2192163953Srrs break; 2193163953Srrs case SCTP_PRIMARY_ADDR: 2194163953Srrs /* we allow a "get" operation on this */ 2195163953Srrs { 2196163953Srrs struct sctp_setprim *ssp; 2197163953Srrs 2198166675Srrs SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2199166675Srrs SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2200166675Srrs 2201166675Srrs if (stcb) { 2202166675Srrs /* simply copy out the sockaddr_storage... */ 2203166675Srrs memcpy(&ssp->ssp_addr, &stcb->asoc.primary_destination->ro._l_addr, 2204166675Srrs ((struct sockaddr *)&stcb->asoc.primary_destination->ro._l_addr)->sa_len); 2205166675Srrs SCTP_TCB_UNLOCK(stcb); 2206166675Srrs } else { 2207163953Srrs error = EINVAL; 2208163953Srrs } 2209166675Srrs *optsize = sizeof(*ssp); 2210163953Srrs } 2211163953Srrs break; 2212163953Srrs 2213163953Srrs case SCTP_HMAC_IDENT: 2214163953Srrs { 2215163953Srrs struct sctp_hmacalgo *shmac; 2216163953Srrs sctp_hmaclist_t *hmaclist; 2217163953Srrs uint32_t size; 2218163953Srrs int i; 2219163953Srrs 2220166675Srrs SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2221166675Srrs 2222163953Srrs SCTP_INP_RLOCK(inp); 2223163953Srrs hmaclist = inp->sctp_ep.local_hmacs; 2224163953Srrs if (hmaclist == NULL) { 2225163953Srrs /* no HMACs to return */ 2226166675Srrs *optsize = sizeof(*shmac); 2227168299Srrs SCTP_INP_RUNLOCK(inp); 2228163953Srrs break; 2229163953Srrs } 2230163953Srrs /* is there room for all of the hmac ids? */ 2231163953Srrs size = sizeof(*shmac) + (hmaclist->num_algo * 2232163953Srrs sizeof(shmac->shmac_idents[0])); 2233166675Srrs if ((size_t)(*optsize) < size) { 2234163953Srrs error = EINVAL; 2235163953Srrs SCTP_INP_RUNLOCK(inp); 2236163953Srrs break; 2237163953Srrs } 2238163953Srrs /* copy in the list */ 2239163953Srrs for (i = 0; i < hmaclist->num_algo; i++) 2240163953Srrs shmac->shmac_idents[i] = hmaclist->hmac[i]; 2241163953Srrs SCTP_INP_RUNLOCK(inp); 2242166675Srrs *optsize = size; 2243163953Srrs break; 2244163953Srrs } 2245163953Srrs case SCTP_AUTH_ACTIVE_KEY: 2246163953Srrs { 2247163953Srrs struct sctp_authkeyid *scact; 2248163953Srrs 2249166675Srrs SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2250166675Srrs SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2251166675Srrs 2252166675Srrs if (stcb) { 2253163953Srrs /* get the active key on the assoc */ 2254163953Srrs scact->scact_keynumber = stcb->asoc.authinfo.assoc_keyid; 2255163953Srrs SCTP_TCB_UNLOCK(stcb); 2256163953Srrs } else { 2257163953Srrs /* get the endpoint active key */ 2258163953Srrs SCTP_INP_RLOCK(inp); 2259163953Srrs scact->scact_keynumber = inp->sctp_ep.default_keyid; 2260163953Srrs SCTP_INP_RUNLOCK(inp); 2261163953Srrs } 2262166675Srrs *optsize = sizeof(*scact); 2263163953Srrs break; 2264163953Srrs } 2265163953Srrs case SCTP_LOCAL_AUTH_CHUNKS: 2266163953Srrs { 2267163953Srrs struct sctp_authchunks *sac; 2268163953Srrs sctp_auth_chklist_t *chklist = NULL; 2269166675Srrs size_t size = 0; 2270163953Srrs 2271166675Srrs SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2272166675Srrs SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2273166675Srrs 2274166675Srrs if (stcb) { 2275163953Srrs /* get off the assoc */ 2276163953Srrs chklist = stcb->asoc.local_auth_chunks; 2277163953Srrs /* is there enough space? */ 2278163953Srrs size = sctp_auth_get_chklist_size(chklist); 2279166675Srrs if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2280163953Srrs error = EINVAL; 2281166675Srrs } else { 2282166675Srrs /* copy in the chunks */ 2283166675Srrs sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2284163953Srrs } 2285163953Srrs SCTP_TCB_UNLOCK(stcb); 2286163953Srrs } else { 2287163953Srrs /* get off the endpoint */ 2288163953Srrs SCTP_INP_RLOCK(inp); 2289163953Srrs chklist = inp->sctp_ep.local_auth_chunks; 2290163953Srrs /* is there enough space? */ 2291163953Srrs size = sctp_auth_get_chklist_size(chklist); 2292166675Srrs if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2293163953Srrs error = EINVAL; 2294166675Srrs } else { 2295166675Srrs /* copy in the chunks */ 2296166675Srrs sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2297163953Srrs } 2298163953Srrs SCTP_INP_RUNLOCK(inp); 2299163953Srrs } 2300166675Srrs *optsize = sizeof(struct sctp_authchunks) + size; 2301163953Srrs break; 2302163953Srrs } 2303163953Srrs case SCTP_PEER_AUTH_CHUNKS: 2304163953Srrs { 2305163953Srrs struct sctp_authchunks *sac; 2306163953Srrs sctp_auth_chklist_t *chklist = NULL; 2307166675Srrs size_t size = 0; 2308163953Srrs 2309166675Srrs SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2310166675Srrs SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2311166675Srrs 2312166675Srrs if (stcb) { 2313166675Srrs /* get off the assoc */ 2314166675Srrs chklist = stcb->asoc.peer_auth_chunks; 2315166675Srrs /* is there enough space? */ 2316166675Srrs size = sctp_auth_get_chklist_size(chklist); 2317166675Srrs if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2318166675Srrs error = EINVAL; 2319166675Srrs } else { 2320166675Srrs /* copy in the chunks */ 2321166675Srrs sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2322166675Srrs } 2323166675Srrs SCTP_TCB_UNLOCK(stcb); 2324166675Srrs } else { 2325163953Srrs error = ENOENT; 2326163953Srrs } 2327166675Srrs *optsize = sizeof(struct sctp_authchunks) + size; 2328163953Srrs break; 2329163953Srrs } 2330163953Srrs 2331163953Srrs 2332163953Srrs default: 2333163953Srrs error = ENOPROTOOPT; 2334166675Srrs *optsize = 0; 2335163953Srrs break; 2336163953Srrs } /* end switch (sopt->sopt_name) */ 2337163953Srrs return (error); 2338163953Srrs} 2339163953Srrs 2340163953Srrsstatic int 2341166675Srrssctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 2342166675Srrs void *p) 2343163953Srrs{ 2344166675Srrs int error, set_opt; 2345166675Srrs uint32_t *mopt; 2346163953Srrs struct sctp_tcb *stcb = NULL; 2347163953Srrs struct sctp_inpcb *inp; 2348167598Srrs uint32_t vrf_id; 2349163953Srrs 2350166675Srrs if (optval == NULL) { 2351167598Srrs printf("optval is NULL\n"); 2352163953Srrs return (EINVAL); 2353163953Srrs } 2354163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 2355167598Srrs if (inp == 0) { 2356167598Srrs printf("inp is NULL?\n"); 2357163953Srrs return EINVAL; 2358167598Srrs } 2359168299Srrs vrf_id = inp->def_vrf_id; 2360163953Srrs 2361163953Srrs error = 0; 2362166675Srrs switch (optname) { 2363163953Srrs case SCTP_NODELAY: 2364163953Srrs case SCTP_AUTOCLOSE: 2365163953Srrs case SCTP_AUTO_ASCONF: 2366163953Srrs case SCTP_EXPLICIT_EOR: 2367163953Srrs case SCTP_DISABLE_FRAGMENTS: 2368163953Srrs case SCTP_USE_EXT_RCVINFO: 2369163953Srrs case SCTP_I_WANT_MAPPED_V4_ADDR: 2370163953Srrs /* copy in the option value */ 2371166675Srrs SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 2372163953Srrs set_opt = 0; 2373163953Srrs if (error) 2374163953Srrs break; 2375166675Srrs switch (optname) { 2376163953Srrs case SCTP_DISABLE_FRAGMENTS: 2377163953Srrs set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 2378163953Srrs break; 2379163953Srrs case SCTP_AUTO_ASCONF: 2380163953Srrs set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 2381163953Srrs break; 2382163953Srrs case SCTP_EXPLICIT_EOR: 2383163953Srrs set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 2384163953Srrs break; 2385163953Srrs case SCTP_USE_EXT_RCVINFO: 2386163953Srrs set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 2387163953Srrs break; 2388163953Srrs case SCTP_I_WANT_MAPPED_V4_ADDR: 2389163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2390163953Srrs set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 2391163953Srrs } else { 2392163953Srrs return (EINVAL); 2393163953Srrs } 2394163953Srrs break; 2395163953Srrs case SCTP_NODELAY: 2396163953Srrs set_opt = SCTP_PCB_FLAGS_NODELAY; 2397163953Srrs break; 2398163953Srrs case SCTP_AUTOCLOSE: 2399163953Srrs set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 2400163953Srrs /* 2401163953Srrs * The value is in ticks. Note this does not effect 2402163953Srrs * old associations, only new ones. 2403163953Srrs */ 2404163953Srrs inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 2405163953Srrs break; 2406163953Srrs } 2407163953Srrs SCTP_INP_WLOCK(inp); 2408163953Srrs if (*mopt != 0) { 2409163953Srrs sctp_feature_on(inp, set_opt); 2410163953Srrs } else { 2411163953Srrs sctp_feature_off(inp, set_opt); 2412163953Srrs } 2413163953Srrs SCTP_INP_WUNLOCK(inp); 2414163953Srrs break; 2415163953Srrs case SCTP_PARTIAL_DELIVERY_POINT: 2416163953Srrs { 2417166675Srrs uint32_t *value; 2418166675Srrs 2419166675Srrs SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 2420167736Srrs if (*value > SCTP_SB_LIMIT_RCV(so)) { 2421167736Srrs error = EINVAL; 2422167736Srrs break; 2423167736Srrs } 2424166675Srrs inp->partial_delivery_point = *value; 2425163953Srrs } 2426163953Srrs break; 2427163953Srrs case SCTP_FRAGMENT_INTERLEAVE: 2428163953Srrs /* not yet until we re-write sctp_recvmsg() */ 2429163953Srrs { 2430168943Srrs uint32_t *level; 2431163953Srrs 2432168943Srrs SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 2433168943Srrs if (*level == SCTP_FRAG_LEVEL_2) { 2434163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 2435168943Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 2436168943Srrs } else if (*level == SCTP_FRAG_LEVEL_1) { 2437168943Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 2438168943Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 2439168943Srrs } else if (*level == SCTP_FRAG_LEVEL_0) { 2440168943Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 2441168943Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 2442168943Srrs 2443163953Srrs } else { 2444168943Srrs error = EINVAL; 2445163953Srrs } 2446163953Srrs } 2447163953Srrs break; 2448163953Srrs case SCTP_CMT_ON_OFF: 2449163953Srrs { 2450163953Srrs struct sctp_assoc_value *av; 2451163953Srrs 2452166675Srrs SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 2453166675Srrs if (sctp_cmt_on_off) { 2454166675Srrs SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2455166675Srrs if (stcb) { 2456163953Srrs stcb->asoc.sctp_cmt_on_off = (uint8_t) av->assoc_value; 2457166675Srrs SCTP_TCB_UNLOCK(stcb); 2458163953Srrs } else { 2459166675Srrs error = ENOTCONN; 2460163953Srrs } 2461166675Srrs } else { 2462166675Srrs error = ENOPROTOOPT; 2463163953Srrs } 2464163953Srrs } 2465163953Srrs break; 2466163953Srrs case SCTP_CLR_STAT_LOG: 2467163953Srrs#ifdef SCTP_STAT_LOGGING 2468163953Srrs sctp_clr_stat_log(); 2469163953Srrs#else 2470163953Srrs error = EOPNOTSUPP; 2471163953Srrs#endif 2472163953Srrs break; 2473163953Srrs case SCTP_CONTEXT: 2474163953Srrs { 2475163953Srrs struct sctp_assoc_value *av; 2476163953Srrs 2477166675Srrs SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 2478166675Srrs SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2479166675Srrs 2480166675Srrs if (stcb) { 2481166675Srrs stcb->asoc.context = av->assoc_value; 2482166675Srrs SCTP_TCB_UNLOCK(stcb); 2483163953Srrs } else { 2484166675Srrs SCTP_INP_WLOCK(inp); 2485163953Srrs inp->sctp_context = av->assoc_value; 2486166675Srrs SCTP_INP_WUNLOCK(inp); 2487163953Srrs } 2488163953Srrs } 2489163953Srrs break; 2490167598Srrs case SCTP_VRF_ID: 2491167598Srrs { 2492167598Srrs uint32_t *vrf_id; 2493167598Srrs 2494167598Srrs SCTP_CHECK_AND_CAST(vrf_id, optval, uint32_t, optsize); 2495167598Srrs if (*vrf_id > SCTP_MAX_VRF_ID) { 2496167598Srrs error = EINVAL; 2497167598Srrs break; 2498167598Srrs } 2499167598Srrs inp->def_vrf_id = *vrf_id; 2500167598Srrs break; 2501167598Srrs } 2502167598Srrs case SCTP_DEL_VRF_ID: 2503167598Srrs { 2504167598Srrs error = EOPNOTSUPP; 2505167598Srrs break; 2506167598Srrs } 2507167598Srrs case SCTP_ADD_VRF_ID: 2508167598Srrs { 2509167598Srrs error = EOPNOTSUPP; 2510167598Srrs break; 2511167598Srrs } 2512167598Srrs 2513163953Srrs case SCTP_DELAYED_ACK_TIME: 2514163953Srrs { 2515163953Srrs struct sctp_assoc_value *tm; 2516163953Srrs 2517166675Srrs SCTP_CHECK_AND_CAST(tm, optval, struct sctp_assoc_value, optsize); 2518166675Srrs SCTP_FIND_STCB(inp, stcb, tm->assoc_id); 2519163953Srrs 2520166675Srrs if (stcb) { 2521166675Srrs stcb->asoc.delayed_ack = tm->assoc_value; 2522166675Srrs SCTP_TCB_UNLOCK(stcb); 2523166675Srrs } else { 2524163953Srrs SCTP_INP_WLOCK(inp); 2525166675Srrs inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(tm->assoc_value); 2526163953Srrs SCTP_INP_WUNLOCK(inp); 2527163953Srrs } 2528166675Srrs break; 2529163953Srrs } 2530163953Srrs case SCTP_AUTH_CHUNK: 2531163953Srrs { 2532163953Srrs struct sctp_authchunk *sauth; 2533163953Srrs 2534166675Srrs SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 2535166675Srrs 2536166675Srrs SCTP_INP_WLOCK(inp); 2537166675Srrs if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) 2538163953Srrs error = EINVAL; 2539166675Srrs SCTP_INP_WUNLOCK(inp); 2540163953Srrs break; 2541163953Srrs } 2542163953Srrs case SCTP_AUTH_KEY: 2543163953Srrs { 2544163953Srrs struct sctp_authkey *sca; 2545163953Srrs struct sctp_keyhead *shared_keys; 2546163953Srrs sctp_sharedkey_t *shared_key; 2547163953Srrs sctp_key_t *key = NULL; 2548166675Srrs size_t size; 2549163953Srrs 2550166675Srrs SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 2551166675Srrs SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id) 2552166675Srrs size = optsize - sizeof(*sca); 2553166675Srrs 2554166675Srrs if (stcb) { 2555163953Srrs /* set it on the assoc */ 2556163953Srrs shared_keys = &stcb->asoc.shared_keys; 2557163953Srrs /* clear the cached keys for this key id */ 2558163953Srrs sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 2559163953Srrs /* 2560163953Srrs * create the new shared key and 2561163953Srrs * insert/replace it 2562163953Srrs */ 2563163953Srrs if (size > 0) { 2564163953Srrs key = sctp_set_key(sca->sca_key, (uint32_t) size); 2565163953Srrs if (key == NULL) { 2566163953Srrs error = ENOMEM; 2567163953Srrs SCTP_TCB_UNLOCK(stcb); 2568163953Srrs break; 2569163953Srrs } 2570163953Srrs } 2571163953Srrs shared_key = sctp_alloc_sharedkey(); 2572163953Srrs if (shared_key == NULL) { 2573163953Srrs sctp_free_key(key); 2574163953Srrs error = ENOMEM; 2575163953Srrs SCTP_TCB_UNLOCK(stcb); 2576163953Srrs break; 2577163953Srrs } 2578163953Srrs shared_key->key = key; 2579163953Srrs shared_key->keyid = sca->sca_keynumber; 2580163953Srrs sctp_insert_sharedkey(shared_keys, shared_key); 2581163953Srrs SCTP_TCB_UNLOCK(stcb); 2582163953Srrs } else { 2583166675Srrs /* set it on the endpoint */ 2584163953Srrs SCTP_INP_WLOCK(inp); 2585163953Srrs shared_keys = &inp->sctp_ep.shared_keys; 2586163953Srrs /* 2587163953Srrs * clear the cached keys on all assocs for 2588163953Srrs * this key id 2589163953Srrs */ 2590163953Srrs sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 2591163953Srrs /* 2592163953Srrs * create the new shared key and 2593163953Srrs * insert/replace it 2594163953Srrs */ 2595163953Srrs if (size > 0) { 2596163953Srrs key = sctp_set_key(sca->sca_key, (uint32_t) size); 2597163953Srrs if (key == NULL) { 2598163953Srrs error = ENOMEM; 2599163953Srrs SCTP_INP_WUNLOCK(inp); 2600163953Srrs break; 2601163953Srrs } 2602163953Srrs } 2603163953Srrs shared_key = sctp_alloc_sharedkey(); 2604163953Srrs if (shared_key == NULL) { 2605163953Srrs sctp_free_key(key); 2606163953Srrs error = ENOMEM; 2607163953Srrs SCTP_INP_WUNLOCK(inp); 2608163953Srrs break; 2609163953Srrs } 2610163953Srrs shared_key->key = key; 2611163953Srrs shared_key->keyid = sca->sca_keynumber; 2612163953Srrs sctp_insert_sharedkey(shared_keys, shared_key); 2613163953Srrs SCTP_INP_WUNLOCK(inp); 2614163953Srrs } 2615163953Srrs break; 2616163953Srrs } 2617163953Srrs case SCTP_HMAC_IDENT: 2618163953Srrs { 2619163953Srrs struct sctp_hmacalgo *shmac; 2620163953Srrs sctp_hmaclist_t *hmaclist; 2621163953Srrs uint32_t hmacid; 2622166675Srrs size_t size, i; 2623163953Srrs 2624166675Srrs SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 2625166675Srrs size = (optsize - sizeof(*shmac)) / sizeof(shmac->shmac_idents[0]); 2626163953Srrs hmaclist = sctp_alloc_hmaclist(size); 2627163953Srrs if (hmaclist == NULL) { 2628163953Srrs error = ENOMEM; 2629163953Srrs break; 2630163953Srrs } 2631163953Srrs for (i = 0; i < size; i++) { 2632163953Srrs hmacid = shmac->shmac_idents[i]; 2633163953Srrs if (sctp_auth_add_hmacid(hmaclist, (uint16_t) hmacid)) { 2634163953Srrs /* invalid HMACs were found */ ; 2635163953Srrs error = EINVAL; 2636164085Srrs sctp_free_hmaclist(hmaclist); 2637163953Srrs goto sctp_set_hmac_done; 2638163953Srrs } 2639163953Srrs } 2640163953Srrs /* set it on the endpoint */ 2641163953Srrs SCTP_INP_WLOCK(inp); 2642163953Srrs if (inp->sctp_ep.local_hmacs) 2643163953Srrs sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 2644163953Srrs inp->sctp_ep.local_hmacs = hmaclist; 2645163953Srrs SCTP_INP_WUNLOCK(inp); 2646163953Srrs sctp_set_hmac_done: 2647163953Srrs break; 2648163953Srrs } 2649163953Srrs case SCTP_AUTH_ACTIVE_KEY: 2650163953Srrs { 2651163953Srrs struct sctp_authkeyid *scact; 2652163953Srrs 2653166675Srrs SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 2654166675Srrs SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2655166675Srrs 2656163953Srrs /* set the active key on the right place */ 2657166675Srrs if (stcb) { 2658163953Srrs /* set the active key on the assoc */ 2659163953Srrs if (sctp_auth_setactivekey(stcb, scact->scact_keynumber)) 2660163953Srrs error = EINVAL; 2661163953Srrs SCTP_TCB_UNLOCK(stcb); 2662163953Srrs } else { 2663163953Srrs /* set the active key on the endpoint */ 2664163953Srrs SCTP_INP_WLOCK(inp); 2665163953Srrs if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) 2666163953Srrs error = EINVAL; 2667163953Srrs SCTP_INP_WUNLOCK(inp); 2668163953Srrs } 2669163953Srrs break; 2670163953Srrs } 2671163953Srrs case SCTP_AUTH_DELETE_KEY: 2672163953Srrs { 2673163953Srrs struct sctp_authkeyid *scdel; 2674163953Srrs 2675166675Srrs SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 2676166675Srrs SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 2677166675Srrs 2678163953Srrs /* delete the key from the right place */ 2679166675Srrs if (stcb) { 2680163953Srrs if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) 2681163953Srrs error = EINVAL; 2682163953Srrs SCTP_TCB_UNLOCK(stcb); 2683163953Srrs } else { 2684163953Srrs SCTP_INP_WLOCK(inp); 2685163953Srrs if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) 2686163953Srrs error = EINVAL; 2687163953Srrs SCTP_INP_WUNLOCK(inp); 2688163953Srrs } 2689163953Srrs break; 2690163953Srrs } 2691163953Srrs 2692163953Srrs case SCTP_RESET_STREAMS: 2693163953Srrs { 2694163953Srrs struct sctp_stream_reset *strrst; 2695163953Srrs uint8_t send_in = 0, send_tsn = 0, send_out = 0; 2696163953Srrs int i; 2697163953Srrs 2698166675Srrs SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_stream_reset, optsize); 2699166675Srrs SCTP_FIND_STCB(inp, stcb, strrst->strrst_assoc_id); 2700163953Srrs 2701163953Srrs if (stcb == NULL) { 2702163953Srrs error = ENOENT; 2703163953Srrs break; 2704163953Srrs } 2705163953Srrs if (stcb->asoc.peer_supports_strreset == 0) { 2706163953Srrs /* 2707163953Srrs * Peer does not support it, we return 2708163953Srrs * protocol not supported since this is true 2709163953Srrs * for this feature and this peer, not the 2710163953Srrs * socket request in general. 2711163953Srrs */ 2712163953Srrs error = EPROTONOSUPPORT; 2713163953Srrs SCTP_TCB_UNLOCK(stcb); 2714163953Srrs break; 2715163953Srrs } 2716163953Srrs if (stcb->asoc.stream_reset_outstanding) { 2717163953Srrs error = EALREADY; 2718163953Srrs SCTP_TCB_UNLOCK(stcb); 2719163953Srrs break; 2720163953Srrs } 2721163953Srrs if (strrst->strrst_flags == SCTP_RESET_LOCAL_RECV) { 2722163953Srrs send_in = 1; 2723163953Srrs } else if (strrst->strrst_flags == SCTP_RESET_LOCAL_SEND) { 2724163953Srrs send_out = 1; 2725163953Srrs } else if (strrst->strrst_flags == SCTP_RESET_BOTH) { 2726163953Srrs send_in = 1; 2727163953Srrs send_out = 1; 2728163953Srrs } else if (strrst->strrst_flags == SCTP_RESET_TSN) { 2729163953Srrs send_tsn = 1; 2730163953Srrs } else { 2731163953Srrs error = EINVAL; 2732163953Srrs SCTP_TCB_UNLOCK(stcb); 2733163953Srrs break; 2734163953Srrs } 2735163953Srrs for (i = 0; i < strrst->strrst_num_streams; i++) { 2736163953Srrs if ((send_in) && 2737163953Srrs 2738163953Srrs (strrst->strrst_list[i] > stcb->asoc.streamincnt)) { 2739163953Srrs error = EINVAL; 2740163953Srrs goto get_out; 2741163953Srrs } 2742163953Srrs if ((send_out) && 2743163953Srrs (strrst->strrst_list[i] > stcb->asoc.streamoutcnt)) { 2744163953Srrs error = EINVAL; 2745163953Srrs goto get_out; 2746163953Srrs } 2747163953Srrs } 2748163953Srrs if (error) { 2749163953Srrs get_out: 2750163953Srrs SCTP_TCB_UNLOCK(stcb); 2751163953Srrs break; 2752163953Srrs } 2753163953Srrs error = sctp_send_str_reset_req(stcb, strrst->strrst_num_streams, 2754163953Srrs strrst->strrst_list, 2755163953Srrs send_out, (stcb->asoc.str_reset_seq_in - 3), 2756163953Srrs send_in, send_tsn); 2757163953Srrs 2758163953Srrs sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ); 2759163953Srrs SCTP_TCB_UNLOCK(stcb); 2760163953Srrs } 2761163953Srrs break; 2762166675Srrs 2763163953Srrs case SCTP_CONNECT_X: 2764166675Srrs if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 2765163953Srrs error = EINVAL; 2766163953Srrs break; 2767163953Srrs } 2768166675Srrs error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 2769163953Srrs break; 2770163953Srrs 2771163953Srrs case SCTP_CONNECT_X_DELAYED: 2772166675Srrs if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 2773163953Srrs error = EINVAL; 2774163953Srrs break; 2775163953Srrs } 2776166675Srrs error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 2777163953Srrs break; 2778163953Srrs 2779163953Srrs case SCTP_CONNECT_X_COMPLETE: 2780163953Srrs { 2781163953Srrs struct sockaddr *sa; 2782163953Srrs struct sctp_nets *net; 2783163953Srrs 2784166675Srrs /* FIXME MT: check correct? */ 2785166675Srrs SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 2786166675Srrs 2787163953Srrs /* find tcb */ 2788163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 2789163953Srrs SCTP_INP_RLOCK(inp); 2790163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 2791163953Srrs if (stcb) { 2792163953Srrs SCTP_TCB_LOCK(stcb); 2793163953Srrs net = sctp_findnet(stcb, sa); 2794163953Srrs } 2795163953Srrs SCTP_INP_RUNLOCK(inp); 2796163953Srrs } else { 2797166675Srrs /* 2798166675Srrs * We increment here since 2799166675Srrs * sctp_findassociation_ep_addr() wil do a 2800166675Srrs * decrement if it finds the stcb as long as 2801166675Srrs * the locked tcb (last argument) is NOT a 2802166675Srrs * TCB.. aka NULL. 2803166675Srrs */ 2804163953Srrs SCTP_INP_INCR_REF(inp); 2805163953Srrs stcb = sctp_findassociation_ep_addr(&inp, sa, &net, NULL, NULL); 2806163953Srrs if (stcb == NULL) { 2807163953Srrs SCTP_INP_DECR_REF(inp); 2808163953Srrs } 2809163953Srrs } 2810163953Srrs 2811163953Srrs if (stcb == NULL) { 2812163953Srrs error = ENOENT; 2813163953Srrs break; 2814163953Srrs } 2815163953Srrs if (stcb->asoc.delayed_connection == 1) { 2816163953Srrs stcb->asoc.delayed_connection = 0; 2817163953Srrs SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 2818165220Srrs sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 2819165220Srrs stcb->asoc.primary_destination, 2820165220Srrs SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 2821163953Srrs sctp_send_initiate(inp, stcb); 2822163953Srrs } else { 2823163953Srrs /* 2824163953Srrs * already expired or did not use delayed 2825163953Srrs * connectx 2826163953Srrs */ 2827163953Srrs error = EALREADY; 2828163953Srrs } 2829163953Srrs SCTP_TCB_UNLOCK(stcb); 2830163953Srrs } 2831163953Srrs break; 2832163953Srrs case SCTP_MAXBURST: 2833163953Srrs { 2834163953Srrs uint8_t *burst; 2835163953Srrs 2836166675Srrs SCTP_CHECK_AND_CAST(burst, optval, uint8_t, optsize); 2837166675Srrs 2838163953Srrs SCTP_INP_WLOCK(inp); 2839163953Srrs if (*burst) { 2840163953Srrs inp->sctp_ep.max_burst = *burst; 2841163953Srrs } 2842163953Srrs SCTP_INP_WUNLOCK(inp); 2843163953Srrs } 2844163953Srrs break; 2845163953Srrs case SCTP_MAXSEG: 2846163953Srrs { 2847167598Srrs struct sctp_assoc_value *av; 2848163953Srrs int ovh; 2849163953Srrs 2850167598Srrs SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 2851167598Srrs SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2852166675Srrs 2853167598Srrs if (stcb) { 2854167598Srrs error = EINVAL; 2855167598Srrs SCTP_TCB_UNLOCK(stcb); 2856163953Srrs } else { 2857167598Srrs SCTP_INP_WLOCK(inp); 2858167598Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2859167598Srrs ovh = SCTP_MED_OVERHEAD; 2860167598Srrs } else { 2861167598Srrs ovh = SCTP_MED_V4_OVERHEAD; 2862167598Srrs } 2863167598Srrs /* 2864167598Srrs * FIXME MT: I think this is not in tune 2865167598Srrs * with the API ID 2866167598Srrs */ 2867167598Srrs if (av->assoc_value) { 2868167598Srrs inp->sctp_frag_point = (av->assoc_value + ovh); 2869167598Srrs } else { 2870167598Srrs error = EINVAL; 2871167598Srrs } 2872167598Srrs SCTP_INP_WUNLOCK(inp); 2873163953Srrs } 2874163953Srrs } 2875163953Srrs break; 2876163953Srrs case SCTP_EVENTS: 2877163953Srrs { 2878163953Srrs struct sctp_event_subscribe *events; 2879163953Srrs 2880166675Srrs SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 2881166675Srrs 2882163953Srrs SCTP_INP_WLOCK(inp); 2883163953Srrs if (events->sctp_data_io_event) { 2884163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 2885163953Srrs } else { 2886163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 2887163953Srrs } 2888163953Srrs 2889163953Srrs if (events->sctp_association_event) { 2890163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 2891163953Srrs } else { 2892163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 2893163953Srrs } 2894163953Srrs 2895163953Srrs if (events->sctp_address_event) { 2896163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 2897163953Srrs } else { 2898163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 2899163953Srrs } 2900163953Srrs 2901163953Srrs if (events->sctp_send_failure_event) { 2902163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 2903163953Srrs } else { 2904163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 2905163953Srrs } 2906163953Srrs 2907163953Srrs if (events->sctp_peer_error_event) { 2908163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 2909163953Srrs } else { 2910163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 2911163953Srrs } 2912163953Srrs 2913163953Srrs if (events->sctp_shutdown_event) { 2914163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 2915163953Srrs } else { 2916163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 2917163953Srrs } 2918163953Srrs 2919163953Srrs if (events->sctp_partial_delivery_event) { 2920163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 2921163953Srrs } else { 2922163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 2923163953Srrs } 2924163953Srrs 2925163953Srrs if (events->sctp_adaptation_layer_event) { 2926163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 2927163953Srrs } else { 2928163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 2929163953Srrs } 2930163953Srrs 2931163953Srrs if (events->sctp_authentication_event) { 2932163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 2933163953Srrs } else { 2934163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 2935163953Srrs } 2936163953Srrs 2937163953Srrs if (events->sctp_stream_reset_events) { 2938163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 2939163953Srrs } else { 2940163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 2941163953Srrs } 2942163953Srrs SCTP_INP_WUNLOCK(inp); 2943163953Srrs } 2944163953Srrs break; 2945163953Srrs 2946163953Srrs case SCTP_ADAPTATION_LAYER: 2947163953Srrs { 2948163953Srrs struct sctp_setadaptation *adap_bits; 2949163953Srrs 2950166675Srrs SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 2951163953Srrs SCTP_INP_WLOCK(inp); 2952163953Srrs inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 2953163953Srrs SCTP_INP_WUNLOCK(inp); 2954163953Srrs } 2955163953Srrs break; 2956166675Srrs#ifdef SCTP_DEBUG 2957163953Srrs case SCTP_SET_INITIAL_DBG_SEQ: 2958163953Srrs { 2959163953Srrs uint32_t *vvv; 2960163953Srrs 2961166675Srrs SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 2962163953Srrs SCTP_INP_WLOCK(inp); 2963163953Srrs inp->sctp_ep.initial_sequence_debug = *vvv; 2964163953Srrs SCTP_INP_WUNLOCK(inp); 2965163953Srrs } 2966163953Srrs break; 2967166675Srrs#endif 2968163953Srrs case SCTP_DEFAULT_SEND_PARAM: 2969163953Srrs { 2970163953Srrs struct sctp_sndrcvinfo *s_info; 2971163953Srrs 2972166675Srrs SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 2973166675Srrs SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2974163953Srrs 2975166675Srrs if (stcb) { 2976166675Srrs if (s_info->sinfo_stream <= stcb->asoc.streamoutcnt) { 2977166675Srrs stcb->asoc.def_send = *s_info; 2978163953Srrs } else { 2979166675Srrs error = EINVAL; 2980163953Srrs } 2981166675Srrs SCTP_TCB_UNLOCK(stcb); 2982166675Srrs } else { 2983166675Srrs SCTP_INP_WLOCK(inp); 2984163953Srrs inp->def_send = *s_info; 2985166675Srrs SCTP_INP_WUNLOCK(inp); 2986163953Srrs } 2987163953Srrs } 2988163953Srrs break; 2989163953Srrs case SCTP_PEER_ADDR_PARAMS: 2990163953Srrs /* Applys to the specific association */ 2991163953Srrs { 2992163953Srrs struct sctp_paddrparams *paddrp; 2993163953Srrs struct sctp_nets *net; 2994163953Srrs 2995166675Srrs SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 2996166675Srrs SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2997163953Srrs net = NULL; 2998166675Srrs if (stcb) { 2999166675Srrs net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 3000166675Srrs } else { 3001166675Srrs /* 3002166675Srrs * We increment here since 3003166675Srrs * sctp_findassociation_ep_addr() wil do a 3004166675Srrs * decrement if it finds the stcb as long as 3005166675Srrs * the locked tcb (last argument) is NOT a 3006166675Srrs * TCB.. aka NULL. 3007166675Srrs */ 3008166675Srrs SCTP_INP_INCR_REF(inp); 3009166675Srrs stcb = sctp_findassociation_ep_addr(&inp, 3010166675Srrs (struct sockaddr *)&paddrp->spp_address, 3011166675Srrs &net, NULL, NULL); 3012163953Srrs if (stcb == NULL) { 3013166675Srrs SCTP_INP_DECR_REF(inp); 3014163953Srrs } 3015163953Srrs } 3016166675Srrs 3017166675Srrs 3018163953Srrs if (stcb) { 3019163953Srrs /************************TCB SPECIFIC SET ******************/ 3020163953Srrs /* 3021163953Srrs * do we change the timer for HB, we run 3022163953Srrs * only one? 3023163953Srrs */ 3024163953Srrs if (paddrp->spp_hbinterval) 3025163953Srrs stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 3026163953Srrs else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 3027163953Srrs stcb->asoc.heart_beat_delay = 0; 3028163953Srrs 3029163953Srrs /* network sets ? */ 3030163953Srrs if (net) { 3031163953Srrs /************************NET SPECIFIC SET ******************/ 3032163953Srrs if (paddrp->spp_flags & SPP_HB_DEMAND) { 3033163953Srrs /* on demand HB */ 3034163953Srrs sctp_send_hb(stcb, 1, net); 3035163953Srrs } 3036163953Srrs if (paddrp->spp_flags & SPP_HB_DISABLE) { 3037163953Srrs net->dest_state |= SCTP_ADDR_NOHB; 3038163953Srrs } 3039163953Srrs if (paddrp->spp_flags & SPP_HB_ENABLE) { 3040163953Srrs net->dest_state &= ~SCTP_ADDR_NOHB; 3041163953Srrs } 3042163953Srrs if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 3043165647Srrs if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 3044165220Srrs sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 3045165220Srrs SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 3046163953Srrs } 3047163953Srrs if (paddrp->spp_pathmtu > SCTP_DEFAULT_MINSEGMENT) { 3048163953Srrs net->mtu = paddrp->spp_pathmtu; 3049169352Srrs if (net->mtu < stcb->asoc.smallest_mtu) { 3050169352Srrs#ifdef SCTP_PRINT_FOR_B_AND_M 3051169352Srrs printf("SCTP_PMTU_DISABLE calls sctp_pathmtu_adjustment:%d\n", 3052169352Srrs net->mtu); 3053169352Srrs#endif 3054167695Srrs sctp_pathmtu_adjustment(inp, stcb, net, net->mtu); 3055169352Srrs } 3056163953Srrs } 3057163953Srrs } 3058163953Srrs if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 3059165647Srrs if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 3060163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 3061163953Srrs } 3062163953Srrs } 3063163953Srrs if (paddrp->spp_pathmaxrxt) 3064163953Srrs net->failure_threshold = paddrp->spp_pathmaxrxt; 3065167598Srrs#ifdef INET 3066163953Srrs if (paddrp->spp_flags & SPP_IPV4_TOS) { 3067163953Srrs if (net->ro._l_addr.sin.sin_family == AF_INET) { 3068163953Srrs net->tos_flowlabel = paddrp->spp_ipv4_tos & 0x000000fc; 3069163953Srrs } 3070163953Srrs } 3071163953Srrs#endif 3072167598Srrs#ifdef INET6 3073163953Srrs if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 3074163953Srrs if (net->ro._l_addr.sin6.sin6_family == AF_INET6) { 3075163953Srrs net->tos_flowlabel = paddrp->spp_ipv6_flowlabel; 3076163953Srrs } 3077163953Srrs } 3078163953Srrs#endif 3079163953Srrs } else { 3080163953Srrs /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 3081163953Srrs if (paddrp->spp_pathmaxrxt) 3082163953Srrs stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 3083163953Srrs 3084163953Srrs if (paddrp->spp_flags & SPP_HB_ENABLE) { 3085163953Srrs /* Turn back on the timer */ 3086163953Srrs stcb->asoc.hb_is_disabled = 0; 3087163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 3088163953Srrs } 3089163953Srrs if (paddrp->spp_flags & SPP_HB_DISABLE) { 3090163953Srrs int cnt_of_unconf = 0; 3091163953Srrs struct sctp_nets *lnet; 3092163953Srrs 3093163953Srrs stcb->asoc.hb_is_disabled = 1; 3094163953Srrs TAILQ_FOREACH(lnet, &stcb->asoc.nets, sctp_next) { 3095163953Srrs if (lnet->dest_state & SCTP_ADDR_UNCONFIRMED) { 3096163953Srrs cnt_of_unconf++; 3097163953Srrs } 3098163953Srrs } 3099163953Srrs /* 3100163953Srrs * stop the timer ONLY if we 3101163953Srrs * have no unconfirmed 3102163953Srrs * addresses 3103163953Srrs */ 3104163953Srrs if (cnt_of_unconf == 0) { 3105165220Srrs sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 3106163953Srrs } 3107163953Srrs } 3108163953Srrs if (paddrp->spp_flags & SPP_HB_ENABLE) { 3109163953Srrs /* start up the timer. */ 3110163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 3111163953Srrs } 3112167598Srrs#ifdef INET 3113163953Srrs if (paddrp->spp_flags & SPP_IPV4_TOS) 3114163953Srrs stcb->asoc.default_tos = paddrp->spp_ipv4_tos & 0x000000fc; 3115163953Srrs#endif 3116167598Srrs#ifdef INET6 3117163953Srrs if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) 3118163953Srrs stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel; 3119163953Srrs#endif 3120163953Srrs 3121163953Srrs } 3122163953Srrs SCTP_TCB_UNLOCK(stcb); 3123163953Srrs } else { 3124163953Srrs /************************NO TCB, SET TO default stuff ******************/ 3125163953Srrs SCTP_INP_WLOCK(inp); 3126163953Srrs /* 3127163953Srrs * For the TOS/FLOWLABEL stuff you set it 3128163953Srrs * with the options on the socket 3129163953Srrs */ 3130163953Srrs if (paddrp->spp_pathmaxrxt) { 3131163953Srrs inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 3132163953Srrs } 3133163953Srrs if (paddrp->spp_flags & SPP_HB_ENABLE) { 3134163953Srrs inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 3135163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 3136163953Srrs } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 3137163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 3138163953Srrs } 3139163953Srrs SCTP_INP_WUNLOCK(inp); 3140163953Srrs } 3141163953Srrs } 3142163953Srrs break; 3143163953Srrs case SCTP_RTOINFO: 3144163953Srrs { 3145163953Srrs struct sctp_rtoinfo *srto; 3146163953Srrs 3147166675Srrs SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 3148166675Srrs SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 3149166675Srrs 3150166675Srrs if (stcb) { 3151166675Srrs /* Set in ms we hope :-) */ 3152167598Srrs if (srto->srto_initial) 3153166675Srrs stcb->asoc.initial_rto = srto->srto_initial; 3154167598Srrs if (srto->srto_max) 3155166675Srrs stcb->asoc.maxrto = srto->srto_max; 3156167598Srrs if (srto->srto_min) 3157166675Srrs stcb->asoc.minrto = srto->srto_min; 3158166675Srrs SCTP_TCB_UNLOCK(stcb); 3159166675Srrs } else { 3160163953Srrs SCTP_INP_WLOCK(inp); 3161163953Srrs /* 3162163953Srrs * If we have a null asoc, its default for 3163163953Srrs * the endpoint 3164163953Srrs */ 3165167598Srrs if (srto->srto_initial) 3166163953Srrs inp->sctp_ep.initial_rto = srto->srto_initial; 3167167598Srrs if (srto->srto_max) 3168163953Srrs inp->sctp_ep.sctp_maxrto = srto->srto_max; 3169167598Srrs if (srto->srto_min) 3170163953Srrs inp->sctp_ep.sctp_minrto = srto->srto_min; 3171163953Srrs SCTP_INP_WUNLOCK(inp); 3172163953Srrs } 3173163953Srrs } 3174163953Srrs break; 3175163953Srrs case SCTP_ASSOCINFO: 3176163953Srrs { 3177163953Srrs struct sctp_assocparams *sasoc; 3178163953Srrs 3179166675Srrs SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 3180166675Srrs SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 3181166675Srrs 3182163953Srrs if (stcb) { 3183163953Srrs if (sasoc->sasoc_asocmaxrxt) 3184163953Srrs stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 3185163953Srrs sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 3186163953Srrs sasoc->sasoc_peer_rwnd = 0; 3187163953Srrs sasoc->sasoc_local_rwnd = 0; 3188163953Srrs if (stcb->asoc.cookie_life) 3189163953Srrs stcb->asoc.cookie_life = sasoc->sasoc_cookie_life; 3190167598Srrs stcb->asoc.delayed_ack = sasoc->sasoc_sack_delay; 3191167598Srrs if (sasoc->sasoc_sack_freq) { 3192167598Srrs stcb->asoc.sack_freq = sasoc->sasoc_sack_freq; 3193167598Srrs } 3194163953Srrs SCTP_TCB_UNLOCK(stcb); 3195163953Srrs } else { 3196163953Srrs SCTP_INP_WLOCK(inp); 3197163953Srrs if (sasoc->sasoc_asocmaxrxt) 3198163953Srrs inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 3199163953Srrs sasoc->sasoc_number_peer_destinations = 0; 3200163953Srrs sasoc->sasoc_peer_rwnd = 0; 3201163953Srrs sasoc->sasoc_local_rwnd = 0; 3202163953Srrs if (sasoc->sasoc_cookie_life) 3203163953Srrs inp->sctp_ep.def_cookie_life = sasoc->sasoc_cookie_life; 3204167598Srrs inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sasoc->sasoc_sack_delay); 3205167598Srrs if (sasoc->sasoc_sack_freq) { 3206167598Srrs inp->sctp_ep.sctp_sack_freq = sasoc->sasoc_sack_freq; 3207167598Srrs } 3208163953Srrs SCTP_INP_WUNLOCK(inp); 3209163953Srrs } 3210163953Srrs } 3211163953Srrs break; 3212163953Srrs case SCTP_INITMSG: 3213163953Srrs { 3214163953Srrs struct sctp_initmsg *sinit; 3215163953Srrs 3216166675Srrs SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 3217163953Srrs SCTP_INP_WLOCK(inp); 3218163953Srrs if (sinit->sinit_num_ostreams) 3219163953Srrs inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 3220163953Srrs 3221163953Srrs if (sinit->sinit_max_instreams) 3222163953Srrs inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 3223163953Srrs 3224163953Srrs if (sinit->sinit_max_attempts) 3225163953Srrs inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 3226163953Srrs 3227167598Srrs if (sinit->sinit_max_init_timeo) 3228163953Srrs inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 3229163953Srrs SCTP_INP_WUNLOCK(inp); 3230163953Srrs } 3231163953Srrs break; 3232163953Srrs case SCTP_PRIMARY_ADDR: 3233163953Srrs { 3234163953Srrs struct sctp_setprim *spa; 3235163953Srrs struct sctp_nets *net, *lnet; 3236163953Srrs 3237166675Srrs SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 3238166675Srrs SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 3239163953Srrs 3240166675Srrs net = NULL; 3241166675Srrs if (stcb) { 3242166675Srrs net = sctp_findnet(stcb, (struct sockaddr *)&spa->ssp_addr); 3243166675Srrs } else { 3244166675Srrs /* 3245166675Srrs * We increment here since 3246166675Srrs * sctp_findassociation_ep_addr() wil do a 3247166675Srrs * decrement if it finds the stcb as long as 3248166675Srrs * the locked tcb (last argument) is NOT a 3249166675Srrs * TCB.. aka NULL. 3250166675Srrs */ 3251163953Srrs SCTP_INP_INCR_REF(inp); 3252163953Srrs stcb = sctp_findassociation_ep_addr(&inp, 3253163953Srrs (struct sockaddr *)&spa->ssp_addr, 3254163953Srrs &net, NULL, NULL); 3255163953Srrs if (stcb == NULL) { 3256163953Srrs SCTP_INP_DECR_REF(inp); 3257163953Srrs } 3258163953Srrs } 3259166675Srrs 3260166675Srrs if ((stcb) && (net)) { 3261166675Srrs if ((net != stcb->asoc.primary_destination) && 3262166675Srrs (!(net->dest_state & SCTP_ADDR_UNCONFIRMED))) { 3263166675Srrs /* Ok we need to set it */ 3264166675Srrs lnet = stcb->asoc.primary_destination; 3265166675Srrs if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 3266166675Srrs if (net->dest_state & SCTP_ADDR_SWITCH_PRIMARY) { 3267166675Srrs net->dest_state |= SCTP_ADDR_DOUBLE_SWITCH; 3268166675Srrs } 3269166675Srrs net->dest_state |= SCTP_ADDR_SWITCH_PRIMARY; 3270163953Srrs } 3271163953Srrs } 3272166675Srrs } else { 3273166675Srrs error = EINVAL; 3274163953Srrs } 3275166675Srrs if (stcb) { 3276166675Srrs SCTP_TCB_UNLOCK(stcb); 3277166675Srrs } 3278163953Srrs } 3279163953Srrs break; 3280167598Srrs case SCTP_SET_DYNAMIC_PRIMARY: 3281167598Srrs { 3282167598Srrs union sctp_sockstore *ss; 3283163953Srrs 3284167598Srrs error = priv_check_cred(curthread->td_ucred, 3285167598Srrs PRIV_NETINET_RESERVEDPORT, 3286167598Srrs SUSER_ALLOWJAIL); 3287167598Srrs if (error) 3288167598Srrs break; 3289167598Srrs 3290167598Srrs SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 3291167598Srrs /* SUPER USER CHECK? */ 3292167598Srrs error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 3293167598Srrs } 3294167598Srrs break; 3295163953Srrs case SCTP_SET_PEER_PRIMARY_ADDR: 3296163953Srrs { 3297163953Srrs struct sctp_setpeerprim *sspp; 3298163953Srrs 3299166675Srrs SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 3300166675Srrs SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 3301169208Srrs if (stcb != NULL) { 3302166675Srrs if (sctp_set_primary_ip_address_sa(stcb, (struct sockaddr *)&sspp->sspp_addr) != 0) { 3303166675Srrs error = EINVAL; 3304166675Srrs } 3305169208Srrs SCTP_TCB_UNLOCK(stcb); 3306166675Srrs } else { 3307163953Srrs error = EINVAL; 3308163953Srrs } 3309169208Srrs 3310163953Srrs } 3311163953Srrs break; 3312163953Srrs case SCTP_BINDX_ADD_ADDR: 3313163953Srrs { 3314163953Srrs struct sctp_getaddresses *addrs; 3315163953Srrs struct sockaddr *addr_touse; 3316163953Srrs struct sockaddr_in sin; 3317163953Srrs 3318166675Srrs SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 3319166675Srrs 3320163953Srrs /* see if we're bound all already! */ 3321163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3322163953Srrs error = EINVAL; 3323163953Srrs break; 3324163953Srrs } 3325167598Srrs /* Is the VRF one we have */ 3326163953Srrs addr_touse = addrs->addr; 3327167695Srrs#if defined(INET6) 3328163953Srrs if (addrs->addr->sa_family == AF_INET6) { 3329163953Srrs struct sockaddr_in6 *sin6; 3330163953Srrs 3331163953Srrs sin6 = (struct sockaddr_in6 *)addr_touse; 3332163953Srrs if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3333163953Srrs in6_sin6_2_sin(&sin, sin6); 3334163953Srrs addr_touse = (struct sockaddr *)&sin; 3335163953Srrs } 3336163953Srrs } 3337167695Srrs#endif 3338163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 3339163953Srrs if (p == NULL) { 3340163953Srrs /* Can't get proc for Net/Open BSD */ 3341163953Srrs error = EINVAL; 3342163953Srrs break; 3343163953Srrs } 3344163953Srrs error = sctp_inpcb_bind(so, addr_touse, p); 3345163953Srrs break; 3346163953Srrs } 3347163953Srrs /* 3348163953Srrs * No locks required here since bind and mgmt_ep_sa 3349163953Srrs * all do their own locking. If we do something for 3350163953Srrs * the FIX: below we may need to lock in that case. 3351163953Srrs */ 3352163953Srrs if (addrs->sget_assoc_id == 0) { 3353163953Srrs /* add the address */ 3354163953Srrs struct sctp_inpcb *lep; 3355163953Srrs 3356163953Srrs ((struct sockaddr_in *)addr_touse)->sin_port = inp->sctp_lport; 3357167598Srrs lep = sctp_pcb_findep(addr_touse, 1, 0, vrf_id); 3358163953Srrs if (lep != NULL) { 3359163953Srrs /* 3360163953Srrs * We must decrement the refcount 3361163953Srrs * since we have the ep already and 3362163953Srrs * are binding. No remove going on 3363163953Srrs * here. 3364163953Srrs */ 3365163953Srrs SCTP_INP_DECR_REF(inp); 3366163953Srrs } 3367163953Srrs if (lep == inp) { 3368163953Srrs /* already bound to it.. ok */ 3369163953Srrs break; 3370163953Srrs } else if (lep == NULL) { 3371163953Srrs ((struct sockaddr_in *)addr_touse)->sin_port = 0; 3372163953Srrs error = sctp_addr_mgmt_ep_sa(inp, addr_touse, 3373167598Srrs SCTP_ADD_IP_ADDRESS, vrf_id); 3374163953Srrs } else { 3375163953Srrs error = EADDRNOTAVAIL; 3376163953Srrs } 3377163953Srrs if (error) 3378163953Srrs break; 3379163953Srrs 3380163953Srrs } else { 3381163953Srrs /* 3382163953Srrs * FIX: decide whether we allow assoc based 3383163953Srrs * bindx 3384163953Srrs */ 3385163953Srrs } 3386163953Srrs } 3387163953Srrs break; 3388163953Srrs case SCTP_BINDX_REM_ADDR: 3389163953Srrs { 3390163953Srrs struct sctp_getaddresses *addrs; 3391163953Srrs struct sockaddr *addr_touse; 3392163953Srrs struct sockaddr_in sin; 3393163953Srrs 3394166675Srrs SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 3395163953Srrs /* see if we're bound all already! */ 3396163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3397163953Srrs error = EINVAL; 3398163953Srrs break; 3399163953Srrs } 3400163953Srrs addr_touse = addrs->addr; 3401167695Srrs#if defined(INET6) 3402163953Srrs if (addrs->addr->sa_family == AF_INET6) { 3403163953Srrs struct sockaddr_in6 *sin6; 3404163953Srrs 3405163953Srrs sin6 = (struct sockaddr_in6 *)addr_touse; 3406163953Srrs if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3407163953Srrs in6_sin6_2_sin(&sin, sin6); 3408163953Srrs addr_touse = (struct sockaddr *)&sin; 3409163953Srrs } 3410163953Srrs } 3411167695Srrs#endif 3412163953Srrs /* 3413163953Srrs * No lock required mgmt_ep_sa does its own locking. 3414163953Srrs * If the FIX: below is ever changed we may need to 3415163953Srrs * lock before calling association level binding. 3416163953Srrs */ 3417163953Srrs if (addrs->sget_assoc_id == 0) { 3418163953Srrs /* delete the address */ 3419163953Srrs sctp_addr_mgmt_ep_sa(inp, addr_touse, 3420167598Srrs SCTP_DEL_IP_ADDRESS, vrf_id); 3421163953Srrs } else { 3422163953Srrs /* 3423163953Srrs * FIX: decide whether we allow assoc based 3424163953Srrs * bindx 3425163953Srrs */ 3426163953Srrs } 3427163953Srrs } 3428163953Srrs break; 3429163953Srrs default: 3430163953Srrs error = ENOPROTOOPT; 3431163953Srrs break; 3432163953Srrs } /* end switch (opt) */ 3433163953Srrs return (error); 3434163953Srrs} 3435163953Srrs 3436163953Srrs 3437163953Srrsint 3438163953Srrssctp_ctloutput(struct socket *so, struct sockopt *sopt) 3439163953Srrs{ 3440166675Srrs void *optval = NULL; 3441166675Srrs size_t optsize = 0; 3442163953Srrs struct sctp_inpcb *inp; 3443166675Srrs void *p; 3444166675Srrs int error = 0; 3445163953Srrs 3446163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 3447163953Srrs if (inp == 0) { 3448163953Srrs /* I made the same as TCP since we are not setup? */ 3449163953Srrs return (ECONNRESET); 3450163953Srrs } 3451163953Srrs if (sopt->sopt_level != IPPROTO_SCTP) { 3452163953Srrs /* wrong proto level... send back up to IP */ 3453163953Srrs#ifdef INET6 3454163953Srrs if (INP_CHECK_SOCKAF(so, AF_INET6)) 3455163953Srrs error = ip6_ctloutput(so, sopt); 3456163953Srrs else 3457163953Srrs#endif /* INET6 */ 3458163953Srrs error = ip_ctloutput(so, sopt); 3459163953Srrs return (error); 3460163953Srrs } 3461166675Srrs optsize = sopt->sopt_valsize; 3462166675Srrs if (optsize) { 3463166675Srrs SCTP_MALLOC(optval, void *, optsize, "SCTPSockOpt"); 3464166675Srrs if (optval == NULL) { 3465163953Srrs return (ENOBUFS); 3466163953Srrs } 3467166675Srrs error = sooptcopyin(sopt, optval, optsize, optsize); 3468163953Srrs if (error) { 3469166675Srrs SCTP_FREE(optval); 3470163953Srrs goto out; 3471163953Srrs } 3472163953Srrs } 3473166675Srrs p = (void *)sopt->sopt_td; 3474163953Srrs if (sopt->sopt_dir == SOPT_SET) { 3475166675Srrs error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 3476163953Srrs } else if (sopt->sopt_dir == SOPT_GET) { 3477166675Srrs error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 3478163953Srrs } else { 3479163953Srrs error = EINVAL; 3480163953Srrs } 3481166675Srrs if ((error == 0) && (optval != NULL)) { 3482166675Srrs error = sooptcopyout(sopt, optval, optsize); 3483166675Srrs SCTP_FREE(optval); 3484166675Srrs } else if (optval != NULL) { 3485166675Srrs SCTP_FREE(optval); 3486163953Srrs } 3487163953Srrsout: 3488163953Srrs return (error); 3489163953Srrs} 3490163953Srrs 3491163953Srrs 3492163953Srrsstatic int 3493163953Srrssctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 3494163953Srrs{ 3495163953Srrs int error = 0; 3496163953Srrs int create_lock_on = 0; 3497167598Srrs uint32_t vrf_id; 3498163953Srrs struct sctp_inpcb *inp; 3499163953Srrs struct sctp_tcb *stcb = NULL; 3500163953Srrs 3501163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 3502163953Srrs if (inp == 0) { 3503163953Srrs /* I made the same as TCP since we are not setup? */ 3504163953Srrs return (ECONNRESET); 3505163953Srrs } 3506163953Srrs SCTP_ASOC_CREATE_LOCK(inp); 3507163953Srrs create_lock_on = 1; 3508163953Srrs 3509163953Srrs SCTP_INP_INCR_REF(inp); 3510163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 3511163953Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 3512163953Srrs /* Should I really unlock ? */ 3513163953Srrs error = EFAULT; 3514163953Srrs goto out_now; 3515163953Srrs } 3516163953Srrs#ifdef INET6 3517163953Srrs if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 3518163953Srrs (addr->sa_family == AF_INET6)) { 3519163953Srrs error = EINVAL; 3520163953Srrs goto out_now; 3521163953Srrs } 3522163953Srrs#endif /* INET6 */ 3523163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 3524163953Srrs SCTP_PCB_FLAGS_UNBOUND) { 3525163953Srrs /* Bind a ephemeral port */ 3526163953Srrs error = sctp_inpcb_bind(so, NULL, p); 3527163953Srrs if (error) { 3528163953Srrs goto out_now; 3529163953Srrs } 3530163953Srrs } 3531163953Srrs /* Now do we connect? */ 3532163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) { 3533163953Srrs error = EINVAL; 3534163953Srrs goto out_now; 3535163953Srrs } 3536163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 3537163953Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 3538163953Srrs /* We are already connected AND the TCP model */ 3539163953Srrs error = EADDRINUSE; 3540163953Srrs goto out_now; 3541163953Srrs } 3542163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 3543163953Srrs SCTP_INP_RLOCK(inp); 3544163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 3545163953Srrs SCTP_INP_RUNLOCK(inp); 3546163953Srrs } else { 3547163953Srrs /* 3548166675Srrs * We increment here since sctp_findassociation_ep_addr() 3549166675Srrs * wil do a decrement if it finds the stcb as long as the 3550166675Srrs * locked tcb (last argument) is NOT a TCB.. aka NULL. 3551163953Srrs */ 3552163953Srrs SCTP_INP_INCR_REF(inp); 3553163953Srrs stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 3554163953Srrs if (stcb == NULL) { 3555163953Srrs SCTP_INP_DECR_REF(inp); 3556168299Srrs } else { 3557168299Srrs SCTP_TCB_LOCK(stcb); 3558163953Srrs } 3559163953Srrs } 3560163953Srrs if (stcb != NULL) { 3561163953Srrs /* Already have or am bring up an association */ 3562163953Srrs error = EALREADY; 3563163953Srrs goto out_now; 3564163953Srrs } 3565168299Srrs vrf_id = inp->def_vrf_id; 3566163953Srrs /* We are GOOD to go */ 3567167598Srrs stcb = sctp_aloc_assoc(inp, addr, 1, &error, 0, vrf_id); 3568163953Srrs if (stcb == NULL) { 3569163953Srrs /* Gak! no memory */ 3570167598Srrs goto out_now; 3571163953Srrs } 3572163953Srrs if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 3573163953Srrs stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 3574163953Srrs /* Set the connected flag so we can queue data */ 3575163953Srrs soisconnecting(so); 3576163953Srrs } 3577163953Srrs stcb->asoc.state = SCTP_STATE_COOKIE_WAIT; 3578163953Srrs SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 3579163953Srrs 3580163953Srrs /* initialize authentication parameters for the assoc */ 3581163953Srrs sctp_initialize_auth_params(inp, stcb); 3582163953Srrs 3583163953Srrs sctp_send_initiate(inp, stcb); 3584168299Srrs SCTP_TCB_UNLOCK(stcb); 3585163953Srrsout_now: 3586163953Srrs if (create_lock_on) 3587163953Srrs SCTP_ASOC_CREATE_UNLOCK(inp); 3588163953Srrs 3589163953Srrs SCTP_INP_DECR_REF(inp); 3590163953Srrs return error; 3591163953Srrs} 3592163953Srrs 3593163953Srrsint 3594163953Srrssctp_listen(struct socket *so, int backlog, struct thread *p) 3595163953Srrs{ 3596163953Srrs /* 3597163953Srrs * Note this module depends on the protocol processing being called 3598163953Srrs * AFTER any socket level flags and backlog are applied to the 3599163953Srrs * socket. The traditional way that the socket flags are applied is 3600163953Srrs * AFTER protocol processing. We have made a change to the 3601163953Srrs * sys/kern/uipc_socket.c module to reverse this but this MUST be in 3602163953Srrs * place if the socket API for SCTP is to work properly. 3603163953Srrs */ 3604163953Srrs 3605163953Srrs int error = 0; 3606163953Srrs struct sctp_inpcb *inp; 3607163953Srrs 3608163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 3609163953Srrs if (inp == 0) { 3610163953Srrs /* I made the same as TCP since we are not setup? */ 3611163953Srrs return (ECONNRESET); 3612163953Srrs } 3613163953Srrs SCTP_INP_RLOCK(inp); 3614163953Srrs#ifdef SCTP_LOCK_LOGGING 3615163953Srrs sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 3616163953Srrs#endif 3617163953Srrs SOCK_LOCK(so); 3618163953Srrs error = solisten_proto_check(so); 3619163953Srrs if (error) { 3620163953Srrs SOCK_UNLOCK(so); 3621169208Srrs SCTP_INP_RUNLOCK(inp); 3622163953Srrs return (error); 3623163953Srrs } 3624163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 3625163953Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 3626163953Srrs /* We are already connected AND the TCP model */ 3627163953Srrs SCTP_INP_RUNLOCK(inp); 3628163953Srrs SOCK_UNLOCK(so); 3629163953Srrs return (EADDRINUSE); 3630163953Srrs } 3631163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 3632163953Srrs /* We must do a bind. */ 3633166675Srrs SOCK_UNLOCK(so); 3634163953Srrs SCTP_INP_RUNLOCK(inp); 3635163953Srrs if ((error = sctp_inpcb_bind(so, NULL, p))) { 3636163953Srrs /* bind error, probably perm */ 3637163953Srrs return (error); 3638163953Srrs } 3639166675Srrs SOCK_LOCK(so); 3640163953Srrs } else { 3641163953Srrs SCTP_INP_RUNLOCK(inp); 3642163953Srrs } 3643163953Srrs /* It appears for 7.0 and on, we must always call this. */ 3644163953Srrs solisten_proto(so, backlog); 3645163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 3646163953Srrs /* remove the ACCEPTCONN flag for one-to-many sockets */ 3647163953Srrs so->so_options &= ~SO_ACCEPTCONN; 3648163953Srrs } 3649163953Srrs if (backlog == 0) { 3650163953Srrs /* turning off listen */ 3651163953Srrs so->so_options &= ~SO_ACCEPTCONN; 3652163953Srrs } 3653163953Srrs SOCK_UNLOCK(so); 3654163953Srrs return (error); 3655163953Srrs} 3656163953Srrs 3657163953Srrsstatic int sctp_defered_wakeup_cnt = 0; 3658163953Srrs 3659163953Srrsint 3660163953Srrssctp_accept(struct socket *so, struct sockaddr **addr) 3661163953Srrs{ 3662163953Srrs struct sctp_tcb *stcb; 3663163953Srrs struct sctp_inpcb *inp; 3664163953Srrs union sctp_sockstore store; 3665163953Srrs 3666163953Srrs int error; 3667163953Srrs 3668163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 3669163953Srrs 3670163953Srrs if (inp == 0) { 3671163953Srrs return (ECONNRESET); 3672163953Srrs } 3673163953Srrs SCTP_INP_RLOCK(inp); 3674163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 3675168299Srrs SCTP_INP_RUNLOCK(inp); 3676163953Srrs return (ENOTSUP); 3677163953Srrs } 3678163953Srrs if (so->so_state & SS_ISDISCONNECTED) { 3679163953Srrs SCTP_INP_RUNLOCK(inp); 3680163953Srrs return (ECONNABORTED); 3681163953Srrs } 3682163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 3683163953Srrs if (stcb == NULL) { 3684163953Srrs SCTP_INP_RUNLOCK(inp); 3685163953Srrs return (ECONNRESET); 3686163953Srrs } 3687163953Srrs SCTP_TCB_LOCK(stcb); 3688163953Srrs SCTP_INP_RUNLOCK(inp); 3689163953Srrs store = stcb->asoc.primary_destination->ro._l_addr; 3690163953Srrs SCTP_TCB_UNLOCK(stcb); 3691163953Srrs if (store.sa.sa_family == AF_INET) { 3692163953Srrs struct sockaddr_in *sin; 3693163953Srrs 3694163953Srrs SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 3695163953Srrs sin->sin_family = AF_INET; 3696163953Srrs sin->sin_len = sizeof(*sin); 3697163953Srrs sin->sin_port = ((struct sockaddr_in *)&store)->sin_port; 3698163953Srrs sin->sin_addr = ((struct sockaddr_in *)&store)->sin_addr; 3699163953Srrs *addr = (struct sockaddr *)sin; 3700163953Srrs } else { 3701163953Srrs struct sockaddr_in6 *sin6; 3702163953Srrs 3703163953Srrs SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 3704163953Srrs sin6->sin6_family = AF_INET6; 3705163953Srrs sin6->sin6_len = sizeof(*sin6); 3706163953Srrs sin6->sin6_port = ((struct sockaddr_in6 *)&store)->sin6_port; 3707163953Srrs 3708163953Srrs sin6->sin6_addr = ((struct sockaddr_in6 *)&store)->sin6_addr; 3709164085Srrs if ((error = sa6_recoverscope(sin6)) != 0) { 3710164085Srrs SCTP_FREE_SONAME(sin6); 3711163953Srrs return (error); 3712164085Srrs } 3713163953Srrs *addr = (struct sockaddr *)sin6; 3714163953Srrs } 3715163953Srrs /* Wake any delayed sleep action */ 3716163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 3717166086Srrs SCTP_INP_WLOCK(inp); 3718163953Srrs inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 3719163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 3720163953Srrs inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 3721166086Srrs SCTP_INP_WUNLOCK(inp); 3722163953Srrs SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 3723163953Srrs if (sowriteable(inp->sctp_socket)) { 3724163953Srrs sowwakeup_locked(inp->sctp_socket); 3725163953Srrs } else { 3726163953Srrs SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 3727163953Srrs } 3728166086Srrs SCTP_INP_WLOCK(inp); 3729163953Srrs } 3730163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 3731163953Srrs inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 3732166086Srrs SCTP_INP_WUNLOCK(inp); 3733163953Srrs SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 3734163953Srrs if (soreadable(inp->sctp_socket)) { 3735163953Srrs sctp_defered_wakeup_cnt++; 3736163953Srrs sorwakeup_locked(inp->sctp_socket); 3737163953Srrs } else { 3738163953Srrs SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 3739163953Srrs } 3740166086Srrs SCTP_INP_WLOCK(inp); 3741163953Srrs } 3742166086Srrs SCTP_INP_WUNLOCK(inp); 3743163953Srrs } 3744163953Srrs return (0); 3745163953Srrs} 3746163953Srrs 3747163953Srrsint 3748163953Srrssctp_ingetaddr(struct socket *so, struct sockaddr **addr) 3749163953Srrs{ 3750163953Srrs struct sockaddr_in *sin; 3751167598Srrs uint32_t vrf_id; 3752163953Srrs struct sctp_inpcb *inp; 3753167695Srrs struct sctp_ifa *sctp_ifa; 3754163953Srrs 3755163953Srrs /* 3756163953Srrs * Do the malloc first in case it blocks. 3757163953Srrs */ 3758163953Srrs SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 3759163953Srrs sin->sin_family = AF_INET; 3760163953Srrs sin->sin_len = sizeof(*sin); 3761163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 3762163953Srrs if (!inp) { 3763163953Srrs SCTP_FREE_SONAME(sin); 3764163953Srrs return ECONNRESET; 3765163953Srrs } 3766163953Srrs SCTP_INP_RLOCK(inp); 3767163953Srrs sin->sin_port = inp->sctp_lport; 3768163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3769163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 3770163953Srrs struct sctp_tcb *stcb; 3771163953Srrs struct sockaddr_in *sin_a; 3772163953Srrs struct sctp_nets *net; 3773163953Srrs int fnd; 3774163953Srrs 3775163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 3776163953Srrs if (stcb == NULL) { 3777163953Srrs goto notConn; 3778163953Srrs } 3779163953Srrs fnd = 0; 3780163953Srrs sin_a = NULL; 3781163953Srrs SCTP_TCB_LOCK(stcb); 3782163953Srrs TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3783163953Srrs sin_a = (struct sockaddr_in *)&net->ro._l_addr; 3784164085Srrs if (sin_a == NULL) 3785164085Srrs /* this will make coverity happy */ 3786164085Srrs continue; 3787164085Srrs 3788163953Srrs if (sin_a->sin_family == AF_INET) { 3789163953Srrs fnd = 1; 3790163953Srrs break; 3791163953Srrs } 3792163953Srrs } 3793163953Srrs if ((!fnd) || (sin_a == NULL)) { 3794163953Srrs /* punt */ 3795163953Srrs SCTP_TCB_UNLOCK(stcb); 3796163953Srrs goto notConn; 3797163953Srrs } 3798168299Srrs vrf_id = inp->def_vrf_id; 3799167598Srrs sctp_ifa = sctp_source_address_selection(inp, 3800167598Srrs stcb, 3801168299Srrs (sctp_route_t *) & net->ro, 3802167598Srrs net, 0, vrf_id); 3803167598Srrs if (sctp_ifa) { 3804167598Srrs sin->sin_addr = sctp_ifa->address.sin.sin_addr; 3805167598Srrs sctp_free_ifa(sctp_ifa); 3806167598Srrs } 3807163953Srrs SCTP_TCB_UNLOCK(stcb); 3808163953Srrs } else { 3809163953Srrs /* For the bound all case you get back 0 */ 3810163953Srrs notConn: 3811163953Srrs sin->sin_addr.s_addr = 0; 3812163953Srrs } 3813163953Srrs 3814163953Srrs } else { 3815163953Srrs /* Take the first IPv4 address in the list */ 3816163953Srrs struct sctp_laddr *laddr; 3817163953Srrs int fnd = 0; 3818163953Srrs 3819163953Srrs LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 3820167598Srrs if (laddr->ifa->address.sa.sa_family == AF_INET) { 3821163953Srrs struct sockaddr_in *sin_a; 3822163953Srrs 3823167598Srrs sin_a = (struct sockaddr_in *)&laddr->ifa->address.sa; 3824163953Srrs sin->sin_addr = sin_a->sin_addr; 3825163953Srrs fnd = 1; 3826163953Srrs break; 3827163953Srrs } 3828163953Srrs } 3829163953Srrs if (!fnd) { 3830163953Srrs SCTP_FREE_SONAME(sin); 3831163953Srrs SCTP_INP_RUNLOCK(inp); 3832163953Srrs return ENOENT; 3833163953Srrs } 3834163953Srrs } 3835163953Srrs SCTP_INP_RUNLOCK(inp); 3836163953Srrs (*addr) = (struct sockaddr *)sin; 3837163953Srrs return (0); 3838163953Srrs} 3839163953Srrs 3840163953Srrsint 3841163953Srrssctp_peeraddr(struct socket *so, struct sockaddr **addr) 3842163953Srrs{ 3843163953Srrs struct sockaddr_in *sin = (struct sockaddr_in *)*addr; 3844166086Srrs int fnd; 3845163953Srrs struct sockaddr_in *sin_a; 3846163953Srrs struct sctp_inpcb *inp; 3847163953Srrs struct sctp_tcb *stcb; 3848163953Srrs struct sctp_nets *net; 3849163953Srrs 3850163953Srrs /* Do the malloc first in case it blocks. */ 3851163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 3852163953Srrs if ((inp == NULL) || 3853163953Srrs ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 3854163953Srrs /* UDP type and listeners will drop out here */ 3855163953Srrs return (ENOTCONN); 3856163953Srrs } 3857163953Srrs SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 3858163953Srrs sin->sin_family = AF_INET; 3859163953Srrs sin->sin_len = sizeof(*sin); 3860163953Srrs 3861163953Srrs /* We must recapture incase we blocked */ 3862163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 3863163953Srrs if (!inp) { 3864163953Srrs SCTP_FREE_SONAME(sin); 3865163953Srrs return ECONNRESET; 3866163953Srrs } 3867163953Srrs SCTP_INP_RLOCK(inp); 3868163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 3869163953Srrs if (stcb) 3870163953Srrs SCTP_TCB_LOCK(stcb); 3871163953Srrs SCTP_INP_RUNLOCK(inp); 3872163953Srrs if (stcb == NULL) { 3873163953Srrs SCTP_FREE_SONAME(sin); 3874163953Srrs return ECONNRESET; 3875163953Srrs } 3876163953Srrs fnd = 0; 3877163953Srrs TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3878163953Srrs sin_a = (struct sockaddr_in *)&net->ro._l_addr; 3879163953Srrs if (sin_a->sin_family == AF_INET) { 3880163953Srrs fnd = 1; 3881163953Srrs sin->sin_port = stcb->rport; 3882163953Srrs sin->sin_addr = sin_a->sin_addr; 3883163953Srrs break; 3884163953Srrs } 3885163953Srrs } 3886163953Srrs SCTP_TCB_UNLOCK(stcb); 3887163953Srrs if (!fnd) { 3888163953Srrs /* No IPv4 address */ 3889163953Srrs SCTP_FREE_SONAME(sin); 3890163953Srrs return ENOENT; 3891163953Srrs } 3892163953Srrs (*addr) = (struct sockaddr *)sin; 3893163953Srrs return (0); 3894163953Srrs} 3895163953Srrs 3896163953Srrsstruct pr_usrreqs sctp_usrreqs = { 3897163953Srrs .pru_abort = sctp_abort, 3898163953Srrs .pru_accept = sctp_accept, 3899163953Srrs .pru_attach = sctp_attach, 3900163953Srrs .pru_bind = sctp_bind, 3901163953Srrs .pru_connect = sctp_connect, 3902163953Srrs .pru_control = in_control, 3903163953Srrs .pru_close = sctp_close, 3904163953Srrs .pru_detach = sctp_close, 3905163953Srrs .pru_sopoll = sopoll_generic, 3906163953Srrs .pru_disconnect = sctp_disconnect, 3907163953Srrs .pru_listen = sctp_listen, 3908163953Srrs .pru_peeraddr = sctp_peeraddr, 3909163953Srrs .pru_send = sctp_sendm, 3910163953Srrs .pru_shutdown = sctp_shutdown, 3911163953Srrs .pru_sockaddr = sctp_ingetaddr, 3912163953Srrs .pru_sosend = sctp_sosend, 3913163953Srrs .pru_soreceive = sctp_soreceive 3914163953Srrs}; 3915