sctp_usrreq.c revision 167695
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 167695 2007-03-19 06:53:02Z 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_bsd_addr.h> 46163953Srrs#include <netinet/sctp_uio.h> 47163953Srrs#include <netinet/sctp_asconf.h> 48163953Srrs#include <netinet/sctputil.h> 49163953Srrs#include <netinet/sctp_indata.h> 50163953Srrs#include <netinet/sctp_timer.h> 51163953Srrs#include <netinet/sctp_auth.h> 52164085Srrs 53163953Srrs 54163953Srrs 55163953Srrsvoid 56163953Srrssctp_init(void) 57163953Srrs{ 58163953Srrs /* Init the SCTP pcb in sctp_pcb.c */ 59163953Srrs u_long sb_max_adj; 60163953Srrs 61163953Srrs sctp_pcb_init(); 62163953Srrs 63163953Srrs if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 64163953Srrs sctp_max_chunks_on_queue = (nmbclusters / 8); 65163953Srrs /* 66163953Srrs * Allow a user to take no more than 1/2 the number of clusters or 67163953Srrs * the SB_MAX whichever is smaller for the send window. 68163953Srrs */ 69163953Srrs sb_max_adj = (u_long)((u_quad_t) (SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 70163953Srrs sctp_sendspace = min((min(SB_MAX, sb_max_adj)), 71163953Srrs ((nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT)); 72163953Srrs /* 73163953Srrs * Now for the recv window, should we take the same amount? or 74163953Srrs * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 75163953Srrs * now I will just copy. 76163953Srrs */ 77163953Srrs sctp_recvspace = sctp_sendspace; 78163953Srrs 79163953Srrs 80163953Srrs} 81163953Srrs 82163953Srrs 83166023Srrs 84166023Srrs/* 85166023Srrs * cleanup of the sctppcbinfo structure. 86166023Srrs * Assumes that the sctppcbinfo lock is held. 87166023Srrs */ 88166023Srrsvoid 89166023Srrssctp_pcbinfo_cleanup(void) 90166023Srrs{ 91166023Srrs /* free the hash tables */ 92166023Srrs if (sctppcbinfo.sctp_asochash != NULL) 93166023Srrs SCTP_HASH_FREE(sctppcbinfo.sctp_asochash, sctppcbinfo.hashasocmark); 94166023Srrs if (sctppcbinfo.sctp_ephash != NULL) 95166023Srrs SCTP_HASH_FREE(sctppcbinfo.sctp_ephash, sctppcbinfo.hashmark); 96166023Srrs if (sctppcbinfo.sctp_tcpephash != NULL) 97166023Srrs SCTP_HASH_FREE(sctppcbinfo.sctp_tcpephash, sctppcbinfo.hashtcpmark); 98166023Srrs if (sctppcbinfo.sctp_restarthash != NULL) 99166023Srrs SCTP_HASH_FREE(sctppcbinfo.sctp_restarthash, sctppcbinfo.hashrestartmark); 100166023Srrs} 101166023Srrs 102163953Srrs 103163953Srrsstatic void 104167695Srrssctp_pathmtu_adjustment(struct sctp_inpcb *inp, 105163953Srrs struct sctp_tcb *stcb, 106163953Srrs struct sctp_nets *net, 107163953Srrs uint16_t nxtsz) 108163953Srrs{ 109163953Srrs struct sctp_tmit_chunk *chk; 110163953Srrs 111163953Srrs /* Adjust that too */ 112163953Srrs stcb->asoc.smallest_mtu = nxtsz; 113163953Srrs /* now off to subtract IP_DF flag if needed */ 114163953Srrs 115163953Srrs TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) { 116163953Srrs if ((chk->send_size + IP_HDR_SIZE) > nxtsz) { 117163953Srrs chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 118163953Srrs } 119163953Srrs } 120163953Srrs TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) { 121163953Srrs if ((chk->send_size + IP_HDR_SIZE) > nxtsz) { 122163953Srrs /* 123163953Srrs * For this guy we also mark for immediate resend 124163953Srrs * since we sent to big of chunk 125163953Srrs */ 126163953Srrs chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 127163953Srrs if (chk->sent != SCTP_DATAGRAM_RESEND) { 128163953Srrs sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt); 129163953Srrs } 130163953Srrs chk->sent = SCTP_DATAGRAM_RESEND; 131163953Srrs chk->rec.data.doing_fast_retransmit = 0; 132163953Srrs 133163953Srrs /* Clear any time so NO RTT is being done */ 134163953Srrs chk->do_rtt = 0; 135163953Srrs if (stcb->asoc.total_flight >= chk->book_size) 136163953Srrs stcb->asoc.total_flight -= chk->book_size; 137163953Srrs else 138163953Srrs stcb->asoc.total_flight = 0; 139163953Srrs if (stcb->asoc.total_flight_count > 0) 140163953Srrs stcb->asoc.total_flight_count--; 141163953Srrs if (net->flight_size >= chk->book_size) 142163953Srrs net->flight_size -= chk->book_size; 143163953Srrs else 144163953Srrs net->flight_size = 0; 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) { 207167695Srrs sctp_pathmtu_adjustment(inp, stcb, net, nxtsz); 208163953Srrs } 209163953Srrs if (tmr_stopped) 210163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 211163953Srrs 212163953Srrs SCTP_TCB_UNLOCK(stcb); 213163953Srrs} 214163953Srrs 215163953Srrs 216163953Srrsvoid 217163953Srrssctp_notify(struct sctp_inpcb *inp, 218167695Srrs int error, 219163953Srrs struct sctphdr *sh, 220163953Srrs struct sockaddr *to, 221163953Srrs struct sctp_tcb *stcb, 222163953Srrs struct sctp_nets *net) 223163953Srrs{ 224163953Srrs /* protection */ 225163953Srrs if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 226163953Srrs (sh == NULL) || (to == NULL)) { 227163953Srrs return; 228163953Srrs } 229163953Srrs /* First job is to verify the vtag matches what I would send */ 230163953Srrs if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 231163953Srrs return; 232163953Srrs } 233163953Srrs /* FIX ME FIX ME PROTOPT i.e. no SCTP should ALWAYS be an ABORT */ 234163953Srrs 235167695Srrs if ((error == EHOSTUNREACH) || /* Host is not reachable */ 236167695Srrs (error == EHOSTDOWN) || /* Host is down */ 237167695Srrs (error == ECONNREFUSED) || /* Host refused the connection, (not 238163953Srrs * an abort?) */ 239167695Srrs (error == ENOPROTOOPT) /* SCTP is not present on host */ 240163953Srrs ) { 241163953Srrs /* 242163953Srrs * Hmm reachablity problems we must examine closely. If its 243163953Srrs * not reachable, we may have lost a network. Or if there is 244163953Srrs * NO protocol at the other end named SCTP. well we consider 245163953Srrs * it a OOTB abort. 246163953Srrs */ 247167695Srrs if ((error == EHOSTUNREACH) || (error == EHOSTDOWN)) { 248163953Srrs if (net->dest_state & SCTP_ADDR_REACHABLE) { 249163953Srrs /* Ok that destination is NOT reachable */ 250167598Srrs printf("ICMP (thresh %d/%d) takes interface %p down\n", 251167598Srrs net->error_count, 252167598Srrs net->failure_threshold, 253167598Srrs net); 254167598Srrs 255163953Srrs net->dest_state &= ~SCTP_ADDR_REACHABLE; 256163953Srrs net->dest_state |= SCTP_ADDR_NOT_REACHABLE; 257163953Srrs net->error_count = net->failure_threshold + 1; 258163953Srrs sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 259163953Srrs stcb, SCTP_FAILED_THRESHOLD, 260163953Srrs (void *)net); 261163953Srrs } 262163953Srrs if (stcb) 263163953Srrs SCTP_TCB_UNLOCK(stcb); 264163953Srrs } else { 265163953Srrs /* 266163953Srrs * Here the peer is either playing tricks on us, 267163953Srrs * including an address that belongs to someone who 268163953Srrs * does not support SCTP OR was a userland 269163953Srrs * implementation that shutdown and now is dead. In 270163953Srrs * either case treat it like a OOTB abort with no 271163953Srrs * TCB 272163953Srrs */ 273163953Srrs sctp_abort_notification(stcb, SCTP_PEER_FAULTY); 274165220Srrs sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 275163953Srrs /* no need to unlock here, since the TCB is gone */ 276163953Srrs } 277163953Srrs } else { 278163953Srrs /* Send all others to the app */ 279163953Srrs if (stcb) 280163953Srrs SCTP_TCB_UNLOCK(stcb); 281163953Srrs 282163953Srrs 283163953Srrs if (inp->sctp_socket) { 284163953Srrs#ifdef SCTP_LOCK_LOGGING 285163953Srrs sctp_log_lock(inp, stcb, SCTP_LOG_LOCK_SOCK); 286163953Srrs#endif 287163953Srrs SOCK_LOCK(inp->sctp_socket); 288167695Srrs inp->sctp_socket->so_error = error; 289163953Srrs sctp_sowwakeup(inp, inp->sctp_socket); 290163953Srrs SOCK_UNLOCK(inp->sctp_socket); 291163953Srrs } 292163953Srrs } 293163953Srrs} 294163953Srrs 295163953Srrsvoid 296163953Srrssctp_ctlinput(cmd, sa, vip) 297163953Srrs int cmd; 298163953Srrs struct sockaddr *sa; 299163953Srrs void *vip; 300163953Srrs{ 301163953Srrs struct ip *ip = vip; 302163953Srrs struct sctphdr *sh; 303167598Srrs uint32_t vrf_id; 304163953Srrs 305167598Srrs vrf_id = SCTP_DEFAULT_VRFID; 306163953Srrs if (sa->sa_family != AF_INET || 307163953Srrs ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 308163953Srrs return; 309163953Srrs } 310163953Srrs if (PRC_IS_REDIRECT(cmd)) { 311163953Srrs ip = 0; 312163953Srrs } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 313163953Srrs return; 314163953Srrs } 315163953Srrs if (ip) { 316163953Srrs struct sctp_inpcb *inp = NULL; 317163953Srrs struct sctp_tcb *stcb = NULL; 318163953Srrs struct sctp_nets *net = NULL; 319163953Srrs struct sockaddr_in to, from; 320163953Srrs 321163953Srrs sh = (struct sctphdr *)((caddr_t)ip + (ip->ip_hl << 2)); 322163953Srrs bzero(&to, sizeof(to)); 323163953Srrs bzero(&from, sizeof(from)); 324163953Srrs from.sin_family = to.sin_family = AF_INET; 325163953Srrs from.sin_len = to.sin_len = sizeof(to); 326163953Srrs from.sin_port = sh->src_port; 327163953Srrs from.sin_addr = ip->ip_src; 328163953Srrs to.sin_port = sh->dest_port; 329163953Srrs to.sin_addr = ip->ip_dst; 330163953Srrs 331163953Srrs /* 332163953Srrs * 'to' holds the dest of the packet that failed to be sent. 333163953Srrs * 'from' holds our local endpoint address. Thus we reverse 334163953Srrs * the to and the from in the lookup. 335163953Srrs */ 336163953Srrs stcb = sctp_findassociation_addr_sa((struct sockaddr *)&from, 337163953Srrs (struct sockaddr *)&to, 338167598Srrs &inp, &net, 1, vrf_id); 339163953Srrs if (stcb != NULL && inp && (inp->sctp_socket != NULL)) { 340163953Srrs if (cmd != PRC_MSGSIZE) { 341163953Srrs int cm; 342163953Srrs 343163953Srrs if (cmd == PRC_HOSTDEAD) { 344163953Srrs cm = EHOSTUNREACH; 345163953Srrs } else { 346163953Srrs cm = inetctlerrmap[cmd]; 347163953Srrs } 348163953Srrs sctp_notify(inp, cm, sh, 349163953Srrs (struct sockaddr *)&to, stcb, 350163953Srrs net); 351163953Srrs } else { 352163953Srrs /* handle possible ICMP size messages */ 353163953Srrs sctp_notify_mbuf(inp, stcb, net, ip, sh); 354163953Srrs } 355163953Srrs } else { 356163953Srrs if ((stcb == NULL) && (inp != NULL)) { 357163953Srrs /* reduce ref-count */ 358163953Srrs SCTP_INP_WLOCK(inp); 359163953Srrs SCTP_INP_DECR_REF(inp); 360163953Srrs SCTP_INP_WUNLOCK(inp); 361163953Srrs } 362163953Srrs } 363163953Srrs } 364163953Srrs return; 365163953Srrs} 366163953Srrs 367163953Srrsstatic int 368163953Srrssctp_getcred(SYSCTL_HANDLER_ARGS) 369163953Srrs{ 370164085Srrs struct xucred xuc; 371163953Srrs struct sockaddr_in addrs[2]; 372163953Srrs struct sctp_inpcb *inp; 373163953Srrs struct sctp_nets *net; 374163953Srrs struct sctp_tcb *stcb; 375164085Srrs int error; 376167598Srrs uint32_t vrf_id; 377163953Srrs 378167598Srrs vrf_id = SCTP_DEFAULT_VRFID; 379164039Srwatson /* 380164039Srwatson * XXXRW: Other instances of getcred use SUSER_ALLOWJAIL, as socket 381164039Srwatson * visibility is scoped using cr_canseesocket(), which it is not 382164039Srwatson * here. 383164039Srwatson */ 384167598Srrs error = priv_check_cred(req->td->td_ucred, PRIV_NETINET_GETCRED, 385167598Srrs SUSER_ALLOWJAIL); 386163953Srrs if (error) 387163953Srrs return (error); 388164039Srwatson 389163953Srrs error = SYSCTL_IN(req, addrs, sizeof(addrs)); 390163953Srrs if (error) 391163953Srrs return (error); 392163953Srrs 393163953Srrs stcb = sctp_findassociation_addr_sa(sintosa(&addrs[0]), 394163953Srrs sintosa(&addrs[1]), 395167598Srrs &inp, &net, 1, vrf_id); 396163953Srrs if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 397163953Srrs if ((inp != NULL) && (stcb == NULL)) { 398163953Srrs /* reduce ref-count */ 399163953Srrs SCTP_INP_WLOCK(inp); 400163953Srrs SCTP_INP_DECR_REF(inp); 401164085Srrs goto cred_can_cont; 402163953Srrs } 403163953Srrs error = ENOENT; 404163953Srrs goto out; 405163953Srrs } 406163953Srrs SCTP_TCB_UNLOCK(stcb); 407164085Srrs /* 408164085Srrs * We use the write lock here, only since in the error leg we need 409164085Srrs * it. If we used RLOCK, then we would have to 410164085Srrs * wlock/decr/unlock/rlock. Which in theory could create a hole. 411164085Srrs * Better to use higher wlock. 412164085Srrs */ 413164085Srrs SCTP_INP_WLOCK(inp); 414164085Srrscred_can_cont: 415164085Srrs error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 416164085Srrs if (error) { 417164085Srrs SCTP_INP_WUNLOCK(inp); 418164085Srrs goto out; 419164085Srrs } 420164085Srrs cru2x(inp->sctp_socket->so_cred, &xuc); 421164085Srrs SCTP_INP_WUNLOCK(inp); 422164085Srrs error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 423163953Srrsout: 424163953Srrs return (error); 425163953Srrs} 426163953Srrs 427163953SrrsSYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW, 428163953Srrs 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection"); 429163953Srrs 430163953Srrs 431163953Srrsstatic void 432163953Srrssctp_abort(struct socket *so) 433163953Srrs{ 434163953Srrs struct sctp_inpcb *inp; 435163953Srrs uint32_t flags; 436163953Srrs 437163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 438163953Srrs if (inp == 0) 439163953Srrs return; 440163953Srrs 441163953Srrssctp_must_try_again: 442163953Srrs flags = inp->sctp_flags; 443163953Srrs#ifdef SCTP_LOG_CLOSING 444163953Srrs sctp_log_closing(inp, NULL, 17); 445163953Srrs#endif 446163953Srrs if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 447163953Srrs (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 448163953Srrs#ifdef SCTP_LOG_CLOSING 449163953Srrs sctp_log_closing(inp, NULL, 16); 450163953Srrs#endif 451163953Srrs sctp_inpcb_free(inp, 1, 0); 452163953Srrs SOCK_LOCK(so); 453167695Srrs SCTP_SB_CLEAR(so->so_snd); 454163953Srrs /* 455163953Srrs * same for the rcv ones, they are only here for the 456163953Srrs * accounting/select. 457163953Srrs */ 458167695Srrs SCTP_SB_CLEAR(so->so_rcv); 459167695Srrs 460167695Srrs /* Now null out the reference, we are completely detached. */ 461163953Srrs so->so_pcb = NULL; 462163953Srrs SOCK_UNLOCK(so); 463163953Srrs } else { 464163953Srrs flags = inp->sctp_flags; 465163953Srrs if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 466163953Srrs goto sctp_must_try_again; 467163953Srrs } 468163953Srrs } 469163953Srrs return; 470163953Srrs} 471163953Srrs 472163953Srrsstatic int 473163953Srrssctp_attach(struct socket *so, int proto, struct thread *p) 474163953Srrs{ 475163953Srrs struct sctp_inpcb *inp; 476163953Srrs struct inpcb *ip_inp; 477166086Srrs int error; 478163953Srrs 479163953Srrs#ifdef IPSEC 480163953Srrs uint32_t flags; 481163953Srrs 482163953Srrs#endif 483163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 484163953Srrs if (inp != 0) { 485163953Srrs return EINVAL; 486163953Srrs } 487167695Srrs error = SCTP_SORESERVE(so, sctp_sendspace, sctp_recvspace); 488163953Srrs if (error) { 489163953Srrs return error; 490163953Srrs } 491163953Srrs error = sctp_inpcb_alloc(so); 492163953Srrs if (error) { 493163953Srrs return error; 494163953Srrs } 495163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 496163953Srrs SCTP_INP_WLOCK(inp); 497163953Srrs 498163953Srrs inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 499163953Srrs ip_inp = &inp->ip_inp.inp; 500163953Srrs ip_inp->inp_vflag |= INP_IPV4; 501163953Srrs ip_inp->inp_ip_ttl = ip_defttl; 502163953Srrs 503163953Srrs#ifdef IPSEC 504163953Srrs error = ipsec_init_pcbpolicy(so, &ip_inp->inp_sp); 505163953Srrs#ifdef SCTP_LOG_CLOSING 506163953Srrs sctp_log_closing(inp, NULL, 17); 507163953Srrs#endif 508163953Srrs if (error != 0) { 509163953Srrs flags = inp->sctp_flags; 510163953Srrs if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 511163953Srrs (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 512163953Srrs#ifdef SCTP_LOG_CLOSING 513163953Srrs sctp_log_closing(inp, NULL, 15); 514163953Srrs#endif 515163953Srrs sctp_inpcb_free(inp, 1, 0); 516163953Srrs } 517163953Srrs return error; 518163953Srrs } 519163953Srrs#endif /* IPSEC */ 520163953Srrs SCTP_INP_WUNLOCK(inp); 521163953Srrs return 0; 522163953Srrs} 523163953Srrs 524163953Srrsstatic int 525163953Srrssctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 526163953Srrs{ 527163953Srrs struct sctp_inpcb *inp; 528166086Srrs int error; 529163953Srrs 530163953Srrs#ifdef INET6 531163953Srrs if (addr && addr->sa_family != AF_INET) 532163953Srrs /* must be a v4 address! */ 533163953Srrs return EINVAL; 534163953Srrs#endif /* INET6 */ 535163953Srrs 536163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 537163953Srrs if (inp == 0) 538163953Srrs return EINVAL; 539163953Srrs 540163953Srrs error = sctp_inpcb_bind(so, addr, p); 541163953Srrs return error; 542163953Srrs} 543163953Srrs 544163953Srrsstatic void 545163953Srrssctp_close(struct socket *so) 546163953Srrs{ 547163953Srrs struct sctp_inpcb *inp; 548163953Srrs uint32_t flags; 549163953Srrs 550163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 551163953Srrs if (inp == 0) 552163953Srrs return; 553163953Srrs 554163953Srrs /* 555163953Srrs * Inform all the lower layer assoc that we are done. 556163953Srrs */ 557163953Srrssctp_must_try_again: 558163953Srrs flags = inp->sctp_flags; 559163953Srrs#ifdef SCTP_LOG_CLOSING 560163953Srrs sctp_log_closing(inp, NULL, 17); 561163953Srrs#endif 562163953Srrs if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 563163953Srrs (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 564163953Srrs if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 565163953Srrs (so->so_rcv.sb_cc > 0)) { 566163953Srrs#ifdef SCTP_LOG_CLOSING 567163953Srrs sctp_log_closing(inp, NULL, 13); 568163953Srrs#endif 569163953Srrs sctp_inpcb_free(inp, 1, 1); 570163953Srrs } else { 571163953Srrs#ifdef SCTP_LOG_CLOSING 572163953Srrs sctp_log_closing(inp, NULL, 14); 573163953Srrs#endif 574163953Srrs sctp_inpcb_free(inp, 0, 1); 575163953Srrs } 576163953Srrs /* 577163953Srrs * The socket is now detached, no matter what the state of 578163953Srrs * the SCTP association. 579163953Srrs */ 580163953Srrs SOCK_LOCK(so); 581167695Srrs SCTP_SB_CLEAR(so->so_snd); 582163953Srrs /* 583163953Srrs * same for the rcv ones, they are only here for the 584163953Srrs * accounting/select. 585163953Srrs */ 586167695Srrs SCTP_SB_CLEAR(so->so_rcv); 587167695Srrs 588167695Srrs /* Now null out the reference, we are completely detached. */ 589163953Srrs so->so_pcb = NULL; 590163953Srrs SOCK_UNLOCK(so); 591163953Srrs } else { 592163953Srrs flags = inp->sctp_flags; 593163953Srrs if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 594163953Srrs goto sctp_must_try_again; 595163953Srrs } 596163953Srrs } 597163953Srrs return; 598163953Srrs} 599163953Srrs 600163953Srrs 601163953Srrsint 602163953Srrssctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 603163953Srrs struct mbuf *control, struct thread *p); 604163953Srrs 605163953Srrs 606163953Srrsint 607163953Srrssctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 608163953Srrs struct mbuf *control, struct thread *p) 609163953Srrs{ 610163953Srrs struct sctp_inpcb *inp; 611163953Srrs int error; 612163953Srrs 613163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 614163953Srrs if (inp == 0) { 615163953Srrs if (control) { 616163953Srrs sctp_m_freem(control); 617163953Srrs control = NULL; 618163953Srrs } 619163953Srrs sctp_m_freem(m); 620163953Srrs return EINVAL; 621163953Srrs } 622163953Srrs /* Got to have an to address if we are NOT a connected socket */ 623163953Srrs if ((addr == NULL) && 624163953Srrs ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 625163953Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE)) 626163953Srrs ) { 627163953Srrs goto connected_type; 628163953Srrs } else if (addr == NULL) { 629163953Srrs error = EDESTADDRREQ; 630163953Srrs sctp_m_freem(m); 631163953Srrs if (control) { 632163953Srrs sctp_m_freem(control); 633163953Srrs control = NULL; 634163953Srrs } 635163953Srrs return (error); 636163953Srrs } 637163953Srrs#ifdef INET6 638163953Srrs if (addr->sa_family != AF_INET) { 639163953Srrs /* must be a v4 address! */ 640163953Srrs sctp_m_freem(m); 641163953Srrs if (control) { 642163953Srrs sctp_m_freem(control); 643163953Srrs control = NULL; 644163953Srrs } 645163953Srrs error = EDESTADDRREQ; 646163953Srrs return EINVAL; 647163953Srrs } 648163953Srrs#endif /* INET6 */ 649163953Srrsconnected_type: 650163953Srrs /* now what about control */ 651163953Srrs if (control) { 652163953Srrs if (inp->control) { 653163953Srrs printf("huh? control set?\n"); 654163953Srrs sctp_m_freem(inp->control); 655163953Srrs inp->control = NULL; 656163953Srrs } 657163953Srrs inp->control = control; 658163953Srrs } 659163953Srrs /* Place the data */ 660163953Srrs if (inp->pkt) { 661165647Srrs SCTP_BUF_NEXT(inp->pkt_last) = m; 662163953Srrs inp->pkt_last = m; 663163953Srrs } else { 664163953Srrs inp->pkt_last = inp->pkt = m; 665163953Srrs } 666163953Srrs if ( 667163953Srrs /* FreeBSD uses a flag passed */ 668163953Srrs ((flags & PRUS_MORETOCOME) == 0) 669163953Srrs ) { 670163953Srrs /* 671163953Srrs * note with the current version this code will only be used 672163953Srrs * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 673163953Srrs * re-defining sosend to use the sctp_sosend. One can 674163953Srrs * optionally switch back to this code (by changing back the 675163953Srrs * definitions) but this is not advisable. This code is used 676163953Srrs * by FreeBSD when sending a file with sendfile() though. 677163953Srrs */ 678163953Srrs int ret; 679163953Srrs 680163953Srrs ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 681163953Srrs inp->pkt = NULL; 682163953Srrs inp->control = NULL; 683163953Srrs return (ret); 684163953Srrs } else { 685163953Srrs return (0); 686163953Srrs } 687163953Srrs} 688163953Srrs 689163953Srrsstatic int 690163953Srrssctp_disconnect(struct socket *so) 691163953Srrs{ 692163953Srrs struct sctp_inpcb *inp; 693163953Srrs 694163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 695163953Srrs if (inp == NULL) { 696163953Srrs return (ENOTCONN); 697163953Srrs } 698163953Srrs SCTP_INP_RLOCK(inp); 699163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 700166675Srrs if (SCTP_LIST_EMPTY(&inp->sctp_asoc_list)) { 701163953Srrs /* No connection */ 702163953Srrs SCTP_INP_RUNLOCK(inp); 703163953Srrs return (0); 704163953Srrs } else { 705163953Srrs struct sctp_association *asoc; 706163953Srrs struct sctp_tcb *stcb; 707163953Srrs 708163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 709163953Srrs if (stcb == NULL) { 710163953Srrs SCTP_INP_RUNLOCK(inp); 711163953Srrs return (EINVAL); 712163953Srrs } 713163953Srrs SCTP_TCB_LOCK(stcb); 714163953Srrs asoc = &stcb->asoc; 715163953Srrs if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 716163953Srrs /* We are about to be freed, out of here */ 717163953Srrs SCTP_TCB_UNLOCK(stcb); 718163953Srrs SCTP_INP_RUNLOCK(inp); 719163953Srrs return (0); 720163953Srrs } 721163953Srrs if (((so->so_options & SO_LINGER) && 722163953Srrs (so->so_linger == 0)) || 723163953Srrs (so->so_rcv.sb_cc > 0)) { 724163953Srrs if (SCTP_GET_STATE(asoc) != 725163953Srrs SCTP_STATE_COOKIE_WAIT) { 726163953Srrs /* Left with Data unread */ 727163953Srrs struct mbuf *err; 728163953Srrs 729163953Srrs err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_DONTWAIT, 1, MT_DATA); 730163953Srrs if (err) { 731163953Srrs /* 732163953Srrs * Fill in the user 733163953Srrs * initiated abort 734163953Srrs */ 735163953Srrs struct sctp_paramhdr *ph; 736163953Srrs 737163953Srrs ph = mtod(err, struct sctp_paramhdr *); 738165647Srrs SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr); 739163953Srrs ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT); 740165647Srrs ph->param_length = htons(SCTP_BUF_LEN(err)); 741163953Srrs } 742163953Srrs sctp_send_abort_tcb(stcb, err); 743163953Srrs SCTP_STAT_INCR_COUNTER32(sctps_aborted); 744163953Srrs } 745163953Srrs SCTP_INP_RUNLOCK(inp); 746163953Srrs if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 747163953Srrs (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 748163953Srrs SCTP_STAT_DECR_GAUGE32(sctps_currestab); 749163953Srrs } 750165220Srrs sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 751163953Srrs /* No unlock tcb assoc is gone */ 752163953Srrs return (0); 753163953Srrs } 754163953Srrs if (TAILQ_EMPTY(&asoc->send_queue) && 755163953Srrs TAILQ_EMPTY(&asoc->sent_queue) && 756163953Srrs (asoc->stream_queue_cnt == 0)) { 757163953Srrs /* there is nothing queued to send, so done */ 758163953Srrs if (asoc->locked_on_sending) { 759163953Srrs goto abort_anyway; 760163953Srrs } 761166675Srrs if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) && 762166675Srrs (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 763163953Srrs /* only send SHUTDOWN 1st time thru */ 764163953Srrs sctp_stop_timers_for_shutdown(stcb); 765163953Srrs sctp_send_shutdown(stcb, 766163953Srrs stcb->asoc.primary_destination); 767163953Srrs sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3); 768166675Srrs if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 769166675Srrs (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 770166675Srrs SCTP_STAT_DECR_GAUGE32(sctps_currestab); 771166675Srrs } 772163953Srrs asoc->state = SCTP_STATE_SHUTDOWN_SENT; 773163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 774163953Srrs stcb->sctp_ep, stcb, 775163953Srrs asoc->primary_destination); 776163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 777163953Srrs stcb->sctp_ep, stcb, 778163953Srrs asoc->primary_destination); 779163953Srrs } 780163953Srrs } else { 781163953Srrs /* 782163953Srrs * we still got (or just got) data to send, 783163953Srrs * so set SHUTDOWN_PENDING 784163953Srrs */ 785163953Srrs /* 786163953Srrs * XXX sockets draft says that SCTP_EOF 787163953Srrs * should be sent with no data. currently, 788163953Srrs * we will allow user data to be sent first 789163953Srrs * and move to SHUTDOWN-PENDING 790163953Srrs */ 791163953Srrs asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 792163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 793163953Srrs asoc->primary_destination); 794163953Srrs if (asoc->locked_on_sending) { 795163953Srrs /* Locked to send out the data */ 796163953Srrs struct sctp_stream_queue_pending *sp; 797163953Srrs 798163953Srrs sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 799163953Srrs if (sp == NULL) { 800163959Srrs printf("Error, sp is NULL, locked on sending is non-null strm:%d\n", 801163953Srrs asoc->locked_on_sending->stream_no); 802163953Srrs } else { 803163953Srrs if ((sp->length == 0) && (sp->msg_is_complete == 0)) 804163953Srrs asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 805163953Srrs } 806163953Srrs } 807163953Srrs if (TAILQ_EMPTY(&asoc->send_queue) && 808163953Srrs TAILQ_EMPTY(&asoc->sent_queue) && 809163953Srrs (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 810163953Srrs struct mbuf *op_err; 811163953Srrs 812163953Srrs abort_anyway: 813163953Srrs op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)), 814163953Srrs 0, M_DONTWAIT, 1, MT_DATA); 815163953Srrs if (op_err) { 816163953Srrs /* 817163953Srrs * Fill in the user 818163953Srrs * initiated abort 819163953Srrs */ 820163953Srrs struct sctp_paramhdr *ph; 821163953Srrs uint32_t *ippp; 822163953Srrs 823165647Srrs SCTP_BUF_LEN(op_err) = 824163953Srrs (sizeof(struct sctp_paramhdr) + sizeof(uint32_t)); 825163953Srrs ph = mtod(op_err, 826163953Srrs struct sctp_paramhdr *); 827163953Srrs ph->param_type = htons( 828163953Srrs SCTP_CAUSE_USER_INITIATED_ABT); 829165647Srrs ph->param_length = htons(SCTP_BUF_LEN(op_err)); 830163953Srrs ippp = (uint32_t *) (ph + 1); 831165220Srrs *ippp = htonl(SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4); 832163953Srrs } 833165220Srrs stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 834163953Srrs sctp_send_abort_tcb(stcb, op_err); 835163953Srrs SCTP_STAT_INCR_COUNTER32(sctps_aborted); 836163953Srrs if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 837163953Srrs (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 838163953Srrs SCTP_STAT_DECR_GAUGE32(sctps_currestab); 839163953Srrs } 840163953Srrs SCTP_INP_RUNLOCK(inp); 841165220Srrs sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 842163953Srrs return (0); 843163953Srrs } 844163953Srrs } 845163953Srrs SCTP_TCB_UNLOCK(stcb); 846163953Srrs SCTP_INP_RUNLOCK(inp); 847163953Srrs return (0); 848163953Srrs } 849163953Srrs /* not reached */ 850163953Srrs } else { 851163953Srrs /* UDP model does not support this */ 852163953Srrs SCTP_INP_RUNLOCK(inp); 853163953Srrs return EOPNOTSUPP; 854163953Srrs } 855163953Srrs} 856163953Srrs 857163953Srrsint 858163953Srrssctp_shutdown(struct socket *so) 859163953Srrs{ 860163953Srrs struct sctp_inpcb *inp; 861163953Srrs 862163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 863163953Srrs if (inp == 0) { 864163953Srrs return EINVAL; 865163953Srrs } 866163953Srrs SCTP_INP_RLOCK(inp); 867163953Srrs /* For UDP model this is a invalid call */ 868163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 869163953Srrs /* Restore the flags that the soshutdown took away. */ 870163953Srrs so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 871163953Srrs /* This proc will wakeup for read and do nothing (I hope) */ 872163953Srrs SCTP_INP_RUNLOCK(inp); 873163953Srrs return (EOPNOTSUPP); 874163953Srrs } 875163953Srrs /* 876163953Srrs * Ok if we reach here its the TCP model and it is either a SHUT_WR 877163953Srrs * or SHUT_RDWR. This means we put the shutdown flag against it. 878163953Srrs */ 879163953Srrs { 880163953Srrs struct sctp_tcb *stcb; 881163953Srrs struct sctp_association *asoc; 882163953Srrs 883163953Srrs socantsendmore(so); 884163953Srrs 885163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 886163953Srrs if (stcb == NULL) { 887163953Srrs /* 888163953Srrs * Ok we hit the case that the shutdown call was 889163953Srrs * made after an abort or something. Nothing to do 890163953Srrs * now. 891163953Srrs */ 892163953Srrs return (0); 893163953Srrs } 894163953Srrs SCTP_TCB_LOCK(stcb); 895163953Srrs asoc = &stcb->asoc; 896163953Srrs if (TAILQ_EMPTY(&asoc->send_queue) && 897163953Srrs TAILQ_EMPTY(&asoc->sent_queue) && 898163953Srrs (asoc->stream_queue_cnt == 0)) { 899163953Srrs if (asoc->locked_on_sending) { 900163953Srrs goto abort_anyway; 901163953Srrs } 902163953Srrs /* there is nothing queued to send, so I'm done... */ 903163953Srrs if (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) { 904163953Srrs /* only send SHUTDOWN the first time through */ 905163953Srrs sctp_stop_timers_for_shutdown(stcb); 906163953Srrs sctp_send_shutdown(stcb, 907163953Srrs stcb->asoc.primary_destination); 908163953Srrs sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3); 909166675Srrs if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 910166675Srrs (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 911166675Srrs SCTP_STAT_DECR_GAUGE32(sctps_currestab); 912166675Srrs } 913163953Srrs asoc->state = SCTP_STATE_SHUTDOWN_SENT; 914163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 915163953Srrs stcb->sctp_ep, stcb, 916163953Srrs asoc->primary_destination); 917163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 918163953Srrs stcb->sctp_ep, stcb, 919163953Srrs asoc->primary_destination); 920163953Srrs } 921163953Srrs } else { 922163953Srrs /* 923163953Srrs * we still got (or just got) data to send, so set 924163953Srrs * SHUTDOWN_PENDING 925163953Srrs */ 926163953Srrs asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 927163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 928163953Srrs asoc->primary_destination); 929163953Srrs 930163953Srrs if (asoc->locked_on_sending) { 931163953Srrs /* Locked to send out the data */ 932163953Srrs struct sctp_stream_queue_pending *sp; 933163953Srrs 934163953Srrs sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 935163953Srrs if (sp == NULL) { 936163959Srrs printf("Error, sp is NULL, locked on sending is non-null strm:%d\n", 937163953Srrs asoc->locked_on_sending->stream_no); 938163953Srrs } else { 939163953Srrs if ((sp->length == 0) && (sp->msg_is_complete == 0)) { 940163953Srrs asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 941163953Srrs } 942163953Srrs } 943163953Srrs } 944163953Srrs if (TAILQ_EMPTY(&asoc->send_queue) && 945163953Srrs TAILQ_EMPTY(&asoc->sent_queue) && 946163953Srrs (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 947163953Srrs struct mbuf *op_err; 948163953Srrs 949163953Srrs abort_anyway: 950163953Srrs op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)), 951163953Srrs 0, M_DONTWAIT, 1, MT_DATA); 952163953Srrs if (op_err) { 953163953Srrs /* Fill in the user initiated abort */ 954163953Srrs struct sctp_paramhdr *ph; 955163953Srrs uint32_t *ippp; 956163953Srrs 957165647Srrs SCTP_BUF_LEN(op_err) = 958163953Srrs sizeof(struct sctp_paramhdr) + sizeof(uint32_t); 959163953Srrs ph = mtod(op_err, 960163953Srrs struct sctp_paramhdr *); 961163953Srrs ph->param_type = htons( 962163953Srrs SCTP_CAUSE_USER_INITIATED_ABT); 963165647Srrs ph->param_length = htons(SCTP_BUF_LEN(op_err)); 964163953Srrs ippp = (uint32_t *) (ph + 1); 965165220Srrs *ippp = htonl(SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6); 966163953Srrs } 967165220Srrs stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 968163953Srrs sctp_abort_an_association(stcb->sctp_ep, stcb, 969163953Srrs SCTP_RESPONSE_TO_USER_REQ, 970163953Srrs op_err); 971163953Srrs goto skip_unlock; 972163953Srrs } 973163953Srrs } 974163953Srrs SCTP_TCB_UNLOCK(stcb); 975163953Srrs } 976163953Srrsskip_unlock: 977163953Srrs SCTP_INP_RUNLOCK(inp); 978163953Srrs return 0; 979163953Srrs} 980163953Srrs 981163953Srrs/* 982163953Srrs * copies a "user" presentable address and removes embedded scope, etc. 983163953Srrs * returns 0 on success, 1 on error 984163953Srrs */ 985163953Srrsstatic uint32_t 986163953Srrssctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 987163953Srrs{ 988163953Srrs struct sockaddr_in6 lsa6; 989163953Srrs 990163953Srrs sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 991163953Srrs &lsa6); 992163953Srrs memcpy(ss, sa, sa->sa_len); 993163953Srrs return (0); 994163953Srrs} 995163953Srrs 996163953Srrs 997163953Srrs 998166675Srrsstatic size_t 999163953Srrssctp_fill_up_addresses(struct sctp_inpcb *inp, 1000163953Srrs struct sctp_tcb *stcb, 1001166675Srrs size_t limit, 1002167598Srrs struct sockaddr_storage *sas, 1003167598Srrs uint32_t vrf_id) 1004163953Srrs{ 1005167598Srrs struct sctp_ifn *sctp_ifn; 1006167598Srrs struct sctp_ifa *sctp_ifa; 1007166675Srrs int loopback_scope, ipv4_local_scope, local_scope, site_scope; 1008166675Srrs size_t actual; 1009163953Srrs int ipv4_addr_legal, ipv6_addr_legal; 1010167598Srrs struct sctp_vrf *vrf; 1011163953Srrs 1012163953Srrs actual = 0; 1013163953Srrs if (limit <= 0) 1014163953Srrs return (actual); 1015163953Srrs 1016163953Srrs if (stcb) { 1017163953Srrs /* Turn on all the appropriate scope */ 1018163953Srrs loopback_scope = stcb->asoc.loopback_scope; 1019163953Srrs ipv4_local_scope = stcb->asoc.ipv4_local_scope; 1020163953Srrs local_scope = stcb->asoc.local_scope; 1021163953Srrs site_scope = stcb->asoc.site_scope; 1022163953Srrs } else { 1023163953Srrs /* Turn on ALL scope, since we look at the EP */ 1024163953Srrs loopback_scope = ipv4_local_scope = local_scope = 1025163953Srrs site_scope = 1; 1026163953Srrs } 1027163953Srrs ipv4_addr_legal = ipv6_addr_legal = 0; 1028163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1029163953Srrs ipv6_addr_legal = 1; 1030166023Srrs if (SCTP_IPV6_V6ONLY(inp) == 0) { 1031163953Srrs ipv4_addr_legal = 1; 1032163953Srrs } 1033163953Srrs } else { 1034163953Srrs ipv4_addr_legal = 1; 1035163953Srrs } 1036167598Srrs vrf = sctp_find_vrf(vrf_id); 1037167598Srrs if (vrf == NULL) { 1038167598Srrs return (0); 1039167598Srrs } 1040163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1041167598Srrs LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1042163953Srrs if ((loopback_scope == 0) && 1043167598Srrs SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1044163953Srrs /* Skip loopback if loopback_scope not set */ 1045163953Srrs continue; 1046163953Srrs } 1047167598Srrs LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1048163953Srrs if (stcb) { 1049163953Srrs /* 1050163953Srrs * For the BOUND-ALL case, the list 1051163953Srrs * associated with a TCB is Always 1052163953Srrs * considered a reverse list.. i.e. 1053163953Srrs * it lists addresses that are NOT 1054163953Srrs * part of the association. If this 1055163953Srrs * is one of those we must skip it. 1056163953Srrs */ 1057163953Srrs if (sctp_is_addr_restricted(stcb, 1058167598Srrs sctp_ifa)) { 1059163953Srrs continue; 1060163953Srrs } 1061163953Srrs } 1062167598Srrs if ((sctp_ifa->address.sa.sa_family == AF_INET) && 1063163953Srrs (ipv4_addr_legal)) { 1064163953Srrs struct sockaddr_in *sin; 1065163953Srrs 1066167598Srrs sin = (struct sockaddr_in *)&sctp_ifa->address.sa; 1067163953Srrs if (sin->sin_addr.s_addr == 0) { 1068163953Srrs /* 1069163953Srrs * we skip unspecifed 1070163953Srrs * addresses 1071163953Srrs */ 1072163953Srrs continue; 1073163953Srrs } 1074163953Srrs if ((ipv4_local_scope == 0) && 1075163953Srrs (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1076163953Srrs continue; 1077163953Srrs } 1078163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_NEEDS_MAPPED_V4) { 1079163953Srrs in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1080163953Srrs ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1081163953Srrs sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1082163953Srrs actual += sizeof(sizeof(struct sockaddr_in6)); 1083163953Srrs } else { 1084163953Srrs memcpy(sas, sin, sizeof(*sin)); 1085163953Srrs ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1086163953Srrs sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin)); 1087163953Srrs actual += sizeof(*sin); 1088163953Srrs } 1089163953Srrs if (actual >= limit) { 1090163953Srrs return (actual); 1091163953Srrs } 1092167598Srrs } else if ((sctp_ifa->address.sa.sa_family == AF_INET6) && 1093163953Srrs (ipv6_addr_legal)) { 1094163953Srrs struct sockaddr_in6 *sin6; 1095163953Srrs 1096167598Srrs sin6 = (struct sockaddr_in6 *)&sctp_ifa->address.sa; 1097163953Srrs if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1098163953Srrs /* 1099163953Srrs * we skip unspecifed 1100163953Srrs * addresses 1101163953Srrs */ 1102163953Srrs continue; 1103163953Srrs } 1104163953Srrs if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1105163953Srrs if (local_scope == 0) 1106163953Srrs continue; 1107163953Srrs if (sin6->sin6_scope_id == 0) { 1108163953Srrs if (sa6_recoverscope(sin6) != 0) 1109163953Srrs /* 1110163953Srrs * bad link 1111163953Srrs * local 1112163953Srrs * address 1113163953Srrs */ 1114163953Srrs continue; 1115163953Srrs } 1116163953Srrs } 1117163953Srrs if ((site_scope == 0) && 1118163953Srrs (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1119163953Srrs continue; 1120163953Srrs } 1121163953Srrs memcpy(sas, sin6, sizeof(*sin6)); 1122163953Srrs ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1123163953Srrs sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6)); 1124163953Srrs actual += sizeof(*sin6); 1125163953Srrs if (actual >= limit) { 1126163953Srrs return (actual); 1127163953Srrs } 1128163953Srrs } 1129163953Srrs } 1130163953Srrs } 1131163953Srrs } else { 1132163953Srrs struct sctp_laddr *laddr; 1133163953Srrs 1134167598Srrs /* The list is a NEGATIVE list */ 1135167598Srrs LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1136167598Srrs if (stcb) { 1137167598Srrs if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1138163953Srrs continue; 1139163953Srrs } 1140163953Srrs } 1141167598Srrs if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1142167598Srrs continue; 1143167598Srrs 1144167598Srrs ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1145167598Srrs sas = (struct sockaddr_storage *)((caddr_t)sas + 1146167598Srrs laddr->ifa->address.sa.sa_len); 1147167598Srrs actual += laddr->ifa->address.sa.sa_len; 1148167598Srrs if (actual >= limit) { 1149167598Srrs return (actual); 1150163953Srrs } 1151163953Srrs } 1152163953Srrs } 1153163953Srrs return (actual); 1154163953Srrs} 1155163953Srrs 1156163953Srrsstatic int 1157167598Srrssctp_count_max_addresses(struct sctp_inpcb *inp, uint32_t vrf_id) 1158163953Srrs{ 1159163953Srrs int cnt = 0; 1160167598Srrs struct sctp_vrf *vrf = NULL; 1161163953Srrs 1162163953Srrs /* 1163163953Srrs * In both sub-set bound an bound_all cases we return the MAXIMUM 1164163953Srrs * number of addresses that you COULD get. In reality the sub-set 1165163953Srrs * bound may have an exclusion list for a given TCB OR in the 1166163953Srrs * bound-all case a TCB may NOT include the loopback or other 1167163953Srrs * addresses as well. 1168163953Srrs */ 1169167598Srrs vrf = sctp_find_vrf(vrf_id); 1170167598Srrs if (vrf == NULL) { 1171167598Srrs return (0); 1172167598Srrs } 1173163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1174167598Srrs struct sctp_ifn *sctp_ifn; 1175167598Srrs struct sctp_ifa *sctp_ifa; 1176163953Srrs 1177167598Srrs LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1178167598Srrs LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1179163953Srrs /* Count them if they are the right type */ 1180167598Srrs if (sctp_ifa->address.sa.sa_family == AF_INET) { 1181163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_NEEDS_MAPPED_V4) 1182163953Srrs cnt += sizeof(struct sockaddr_in6); 1183163953Srrs else 1184163953Srrs cnt += sizeof(struct sockaddr_in); 1185163953Srrs 1186167598Srrs } else if (sctp_ifa->address.sa.sa_family == AF_INET6) 1187163953Srrs cnt += sizeof(struct sockaddr_in6); 1188163953Srrs } 1189163953Srrs } 1190163953Srrs } else { 1191163953Srrs struct sctp_laddr *laddr; 1192163953Srrs 1193163953Srrs LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1194167598Srrs if (laddr->ifa->address.sa.sa_family == AF_INET) { 1195163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_NEEDS_MAPPED_V4) 1196163953Srrs cnt += sizeof(struct sockaddr_in6); 1197163953Srrs else 1198163953Srrs cnt += sizeof(struct sockaddr_in); 1199163953Srrs 1200167598Srrs } else if (laddr->ifa->address.sa.sa_family == AF_INET6) 1201163953Srrs cnt += sizeof(struct sockaddr_in6); 1202163953Srrs } 1203163953Srrs } 1204163953Srrs return (cnt); 1205163953Srrs} 1206163953Srrs 1207166675Srrs 1208163953Srrsstatic int 1209166675Srrssctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1210166675Srrs size_t optsize, void *p, int delay) 1211163953Srrs{ 1212163953Srrs int error = 0; 1213163953Srrs int creat_lock_on = 0; 1214163953Srrs struct sctp_tcb *stcb = NULL; 1215163953Srrs struct sockaddr *sa; 1216166675Srrs int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr, i; 1217166675Srrs size_t incr, at; 1218167598Srrs uint32_t vrf_id; 1219167598Srrs sctp_assoc_t *a_id; 1220163953Srrs 1221163953Srrs#ifdef SCTP_DEBUG 1222163953Srrs if (sctp_debug_on & SCTP_DEBUG_PCB1) { 1223163953Srrs printf("Connectx called\n"); 1224163953Srrs } 1225163953Srrs#endif /* SCTP_DEBUG */ 1226163953Srrs 1227163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1228163953Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1229163953Srrs /* We are already connected AND the TCP model */ 1230163953Srrs return (EADDRINUSE); 1231163953Srrs } 1232163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) { 1233163953Srrs return (EINVAL); 1234163953Srrs } 1235163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1236163953Srrs SCTP_INP_RLOCK(inp); 1237163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 1238163953Srrs SCTP_INP_RUNLOCK(inp); 1239163953Srrs } 1240163953Srrs if (stcb) { 1241163953Srrs return (EALREADY); 1242163953Srrs } 1243163953Srrs SCTP_INP_INCR_REF(inp); 1244163953Srrs SCTP_ASOC_CREATE_LOCK(inp); 1245163953Srrs creat_lock_on = 1; 1246163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1247163953Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1248163953Srrs error = EFAULT; 1249163953Srrs goto out_now; 1250163953Srrs } 1251166675Srrs totaddrp = (int *)optval; 1252163953Srrs totaddr = *totaddrp; 1253163953Srrs sa = (struct sockaddr *)(totaddrp + 1); 1254163953Srrs at = incr = 0; 1255163953Srrs /* account and validate addresses */ 1256163953Srrs for (i = 0; i < totaddr; i++) { 1257163953Srrs if (sa->sa_family == AF_INET) { 1258163953Srrs num_v4++; 1259163953Srrs incr = sizeof(struct sockaddr_in); 1260163953Srrs } else if (sa->sa_family == AF_INET6) { 1261163953Srrs struct sockaddr_in6 *sin6; 1262163953Srrs 1263163953Srrs sin6 = (struct sockaddr_in6 *)sa; 1264163953Srrs if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 1265163953Srrs /* Must be non-mapped for connectx */ 1266163953Srrs error = EINVAL; 1267163953Srrs goto out_now; 1268163953Srrs } 1269163953Srrs num_v6++; 1270163953Srrs incr = sizeof(struct sockaddr_in6); 1271163953Srrs } else { 1272163953Srrs totaddr = i; 1273163953Srrs break; 1274163953Srrs } 1275163953Srrs stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 1276163953Srrs if (stcb != NULL) { 1277163953Srrs /* Already have or am bring up an association */ 1278163953Srrs SCTP_ASOC_CREATE_UNLOCK(inp); 1279163953Srrs creat_lock_on = 0; 1280163953Srrs SCTP_TCB_UNLOCK(stcb); 1281163953Srrs error = EALREADY; 1282163953Srrs goto out_now; 1283163953Srrs } 1284166675Srrs if ((at + incr) > optsize) { 1285163953Srrs totaddr = i; 1286163953Srrs break; 1287163953Srrs } 1288163953Srrs sa = (struct sockaddr *)((caddr_t)sa + incr); 1289163953Srrs } 1290163953Srrs sa = (struct sockaddr *)(totaddrp + 1); 1291163953Srrs#ifdef INET6 1292163953Srrs if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1293163953Srrs (num_v6 > 0)) { 1294163953Srrs error = EINVAL; 1295163953Srrs goto out_now; 1296163953Srrs } 1297163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1298163953Srrs (num_v4 > 0)) { 1299163953Srrs struct in6pcb *inp6; 1300163953Srrs 1301163953Srrs inp6 = (struct in6pcb *)inp; 1302166023Srrs if (SCTP_IPV6_V6ONLY(inp6)) { 1303163953Srrs /* 1304163953Srrs * if IPV6_V6ONLY flag, ignore connections destined 1305163953Srrs * to a v4 addr or v4-mapped addr 1306163953Srrs */ 1307163953Srrs error = EINVAL; 1308163953Srrs goto out_now; 1309163953Srrs } 1310163953Srrs } 1311163953Srrs#endif /* INET6 */ 1312163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1313163953Srrs SCTP_PCB_FLAGS_UNBOUND) { 1314163953Srrs /* Bind a ephemeral port */ 1315163953Srrs SCTP_INP_WUNLOCK(inp); 1316163953Srrs error = sctp_inpcb_bind(so, NULL, p); 1317163953Srrs if (error) { 1318163953Srrs goto out_now; 1319163953Srrs } 1320163953Srrs } else { 1321163953Srrs SCTP_INP_WUNLOCK(inp); 1322163953Srrs } 1323163953Srrs 1324167695Srrs /* FIX ME: do we want to pass in a vrf on the connect call? */ 1325167695Srrs vrf_id = inp->def_vrf_id; 1326167695Srrs 1327163953Srrs /* We are GOOD to go */ 1328167598Srrs stcb = sctp_aloc_assoc(inp, sa, 1, &error, 0, vrf_id); 1329163953Srrs if (stcb == NULL) { 1330163953Srrs /* Gak! no memory */ 1331163953Srrs goto out_now; 1332163953Srrs } 1333163953Srrs /* move to second address */ 1334163953Srrs if (sa->sa_family == AF_INET) 1335163953Srrs sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1336163953Srrs else 1337163953Srrs sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1338163953Srrs 1339163953Srrs for (i = 1; i < totaddr; i++) { 1340163953Srrs if (sa->sa_family == AF_INET) { 1341163953Srrs incr = sizeof(struct sockaddr_in); 1342165220Srrs if (sctp_add_remote_addr(stcb, sa, SCTP_DONOT_SETSCOPE, SCTP_ADDR_IS_CONFIRMED)) { 1343163953Srrs /* assoc gone no un-lock */ 1344165220Srrs sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 1345163953Srrs error = ENOBUFS; 1346163953Srrs goto out_now; 1347163953Srrs } 1348163953Srrs } else if (sa->sa_family == AF_INET6) { 1349163953Srrs incr = sizeof(struct sockaddr_in6); 1350165220Srrs if (sctp_add_remote_addr(stcb, sa, SCTP_DONOT_SETSCOPE, SCTP_ADDR_IS_CONFIRMED)) { 1351163953Srrs /* assoc gone no un-lock */ 1352165220Srrs sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 1353163953Srrs error = ENOBUFS; 1354163953Srrs goto out_now; 1355163953Srrs } 1356163953Srrs } 1357163953Srrs sa = (struct sockaddr *)((caddr_t)sa + incr); 1358163953Srrs } 1359163953Srrs stcb->asoc.state = SCTP_STATE_COOKIE_WAIT; 1360167598Srrs /* Fill in the return id */ 1361167598Srrs a_id = (sctp_assoc_t *) optval; 1362167598Srrs *a_id = sctp_get_associd(stcb); 1363163953Srrs 1364163953Srrs /* initialize authentication parameters for the assoc */ 1365163953Srrs sctp_initialize_auth_params(inp, stcb); 1366163953Srrs 1367163953Srrs if (delay) { 1368163953Srrs /* doing delayed connection */ 1369163953Srrs stcb->asoc.delayed_connection = 1; 1370163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1371163953Srrs } else { 1372163953Srrs SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1373163953Srrs sctp_send_initiate(inp, stcb); 1374163953Srrs } 1375163953Srrs SCTP_TCB_UNLOCK(stcb); 1376163953Srrs if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1377163953Srrs stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1378163953Srrs /* Set the connected flag so we can queue data */ 1379163953Srrs soisconnecting(so); 1380163953Srrs } 1381163953Srrsout_now: 1382163953Srrs if (creat_lock_on) 1383163953Srrs SCTP_ASOC_CREATE_UNLOCK(inp); 1384163953Srrs SCTP_INP_DECR_REF(inp); 1385163953Srrs return error; 1386163953Srrs} 1387163953Srrs 1388166675Srrs#define SCTP_FIND_STCB(inp, stcb, assoc_id) \ 1389166675Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { \ 1390166675Srrs SCTP_INP_RLOCK(inp); \ 1391166675Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1392166675Srrs if (stcb) \ 1393166675Srrs SCTP_TCB_LOCK(stcb); \ 1394166675Srrs SCTP_INP_RUNLOCK(inp); \ 1395166675Srrs } else if (assoc_id != 0) { \ 1396166675Srrs stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1397166675Srrs if (stcb == NULL) { \ 1398166675Srrs error = ENOENT; \ 1399166675Srrs break; \ 1400166675Srrs } \ 1401166675Srrs } else { \ 1402166675Srrs stcb = NULL; \ 1403166675Srrs } 1404163953Srrs 1405166675Srrs#define SCTP_CHECK_AND_CAST(destp, srcp, type, size) \ 1406166675Srrs if (size < sizeof(type)) { \ 1407166675Srrs error = EINVAL; \ 1408166675Srrs break; \ 1409166675Srrs } else { \ 1410166675Srrs destp = (type *)srcp; \ 1411166675Srrs } 1412163953Srrs 1413163953Srrsstatic int 1414166675Srrssctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1415166675Srrs void *p) 1416163953Srrs{ 1417163953Srrs struct sctp_inpcb *inp; 1418166675Srrs int error, val = 0; 1419167598Srrs uint32_t vrf_id; 1420163953Srrs struct sctp_tcb *stcb = NULL; 1421163953Srrs 1422166675Srrs if (optval == NULL) { 1423166675Srrs return (EINVAL); 1424166675Srrs } 1425163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 1426163953Srrs if (inp == 0) 1427163953Srrs return EINVAL; 1428167598Srrs vrf_id = SCTP_DEFAULT_VRFID; 1429167598Srrs 1430163953Srrs error = 0; 1431163953Srrs 1432166675Srrs switch (optname) { 1433163953Srrs case SCTP_NODELAY: 1434163953Srrs case SCTP_AUTOCLOSE: 1435163953Srrs case SCTP_EXPLICIT_EOR: 1436163953Srrs case SCTP_AUTO_ASCONF: 1437163953Srrs case SCTP_DISABLE_FRAGMENTS: 1438163953Srrs case SCTP_I_WANT_MAPPED_V4_ADDR: 1439163953Srrs case SCTP_USE_EXT_RCVINFO: 1440163953Srrs SCTP_INP_RLOCK(inp); 1441166675Srrs switch (optname) { 1442163953Srrs case SCTP_DISABLE_FRAGMENTS: 1443166675Srrs val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1444163953Srrs break; 1445163953Srrs case SCTP_I_WANT_MAPPED_V4_ADDR: 1446166675Srrs val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1447163953Srrs break; 1448163953Srrs case SCTP_AUTO_ASCONF: 1449166675Srrs val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1450163953Srrs break; 1451163953Srrs case SCTP_EXPLICIT_EOR: 1452166675Srrs val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1453163953Srrs break; 1454163953Srrs case SCTP_NODELAY: 1455166675Srrs val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1456163953Srrs break; 1457163953Srrs case SCTP_USE_EXT_RCVINFO: 1458166675Srrs val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1459163953Srrs break; 1460163953Srrs case SCTP_AUTOCLOSE: 1461163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1462166675Srrs val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1463163953Srrs else 1464166675Srrs val = 0; 1465163953Srrs break; 1466163953Srrs 1467163953Srrs default: 1468163953Srrs error = ENOPROTOOPT; 1469163953Srrs } /* end switch (sopt->sopt_name) */ 1470166675Srrs if (optname != SCTP_AUTOCLOSE) { 1471163953Srrs /* make it an "on/off" value */ 1472166675Srrs val = (val != 0); 1473163953Srrs } 1474166675Srrs if (*optsize < sizeof(val)) { 1475163953Srrs error = EINVAL; 1476163953Srrs } 1477163953Srrs SCTP_INP_RUNLOCK(inp); 1478163953Srrs if (error == 0) { 1479163953Srrs /* return the option value */ 1480166675Srrs *(int *)optval = val; 1481166675Srrs *optsize = sizeof(val); 1482163953Srrs } 1483163953Srrs break; 1484167598Srrs 1485163953Srrs case SCTP_PARTIAL_DELIVERY_POINT: 1486163953Srrs { 1487166675Srrs uint32_t *value; 1488166675Srrs 1489166675Srrs SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1490166675Srrs *value = inp->partial_delivery_point; 1491166675Srrs *optsize = sizeof(uint32_t); 1492163953Srrs } 1493163953Srrs break; 1494163953Srrs case SCTP_FRAGMENT_INTERLEAVE: 1495163953Srrs { 1496166675Srrs uint32_t *value; 1497166675Srrs 1498166675Srrs SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1499166675Srrs *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 1500166675Srrs *optsize = sizeof(uint32_t); 1501163953Srrs } 1502163953Srrs break; 1503163953Srrs case SCTP_CMT_ON_OFF: 1504163953Srrs { 1505166675Srrs struct sctp_assoc_value *av; 1506166675Srrs 1507166675Srrs SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1508166675Srrs if (sctp_cmt_on_off) { 1509166675Srrs SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1510166675Srrs if (stcb) { 1511166675Srrs av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1512166675Srrs SCTP_TCB_UNLOCK(stcb); 1513166675Srrs 1514166675Srrs } else { 1515166675Srrs error = ENOTCONN; 1516166675Srrs } 1517166675Srrs } else { 1518166675Srrs error = ENOPROTOOPT; 1519163953Srrs } 1520166675Srrs *optsize = sizeof(*av); 1521163953Srrs } 1522163953Srrs break; 1523163953Srrs case SCTP_GET_ADDR_LEN: 1524163953Srrs { 1525163953Srrs struct sctp_assoc_value *av; 1526163953Srrs 1527166675Srrs SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1528163953Srrs error = EINVAL; 1529167598Srrs#ifdef INET 1530163953Srrs if (av->assoc_value == AF_INET) { 1531163953Srrs av->assoc_value = sizeof(struct sockaddr_in); 1532163953Srrs error = 0; 1533163953Srrs } 1534163953Srrs#endif 1535167598Srrs#ifdef INET6 1536163953Srrs if (av->assoc_value == AF_INET6) { 1537163953Srrs av->assoc_value = sizeof(struct sockaddr_in6); 1538163953Srrs error = 0; 1539163953Srrs } 1540163953Srrs#endif 1541166675Srrs *optsize = sizeof(*av); 1542163953Srrs } 1543163953Srrs break; 1544163953Srrs case SCTP_GET_ASOC_ID_LIST: 1545163953Srrs { 1546163953Srrs struct sctp_assoc_ids *ids; 1547163953Srrs int cnt, at; 1548163953Srrs uint16_t orig; 1549163953Srrs 1550166675Srrs SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1551163953Srrs cnt = 0; 1552163953Srrs SCTP_INP_RLOCK(inp); 1553163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 1554163953Srrs if (stcb == NULL) { 1555163953Srrs none_out_now: 1556163953Srrs ids->asls_numb_present = 0; 1557163953Srrs ids->asls_more_to_get = 0; 1558163953Srrs SCTP_INP_RUNLOCK(inp); 1559163953Srrs break; 1560163953Srrs } 1561163953Srrs orig = ids->asls_assoc_start; 1562163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 1563163953Srrs while (orig) { 1564163953Srrs stcb = LIST_NEXT(stcb, sctp_tcblist); 1565163953Srrs orig--; 1566163953Srrs cnt--; 1567163953Srrs if (stcb == NULL) 1568163953Srrs goto none_out_now; 1569163953Srrs } 1570163953Srrs if (stcb == NULL) 1571163953Srrs goto none_out_now; 1572163953Srrs 1573163953Srrs at = 0; 1574163953Srrs ids->asls_numb_present = 0; 1575163953Srrs ids->asls_more_to_get = 1; 1576163953Srrs while (at < MAX_ASOC_IDS_RET) { 1577163953Srrs ids->asls_assoc_id[at] = sctp_get_associd(stcb); 1578163953Srrs at++; 1579163953Srrs ids->asls_numb_present++; 1580163953Srrs stcb = LIST_NEXT(stcb, sctp_tcblist); 1581163953Srrs if (stcb == NULL) { 1582163953Srrs ids->asls_more_to_get = 0; 1583163953Srrs break; 1584163953Srrs } 1585163953Srrs } 1586163953Srrs SCTP_INP_RUNLOCK(inp); 1587163953Srrs } 1588163953Srrs break; 1589163953Srrs case SCTP_CONTEXT: 1590163953Srrs { 1591163953Srrs struct sctp_assoc_value *av; 1592163953Srrs 1593166675Srrs SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1594166675Srrs SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1595166675Srrs 1596166675Srrs if (stcb) { 1597166675Srrs av->assoc_value = stcb->asoc.context; 1598166675Srrs SCTP_TCB_UNLOCK(stcb); 1599163953Srrs } else { 1600166675Srrs SCTP_INP_RLOCK(inp); 1601163953Srrs av->assoc_value = inp->sctp_context; 1602166675Srrs SCTP_INP_RUNLOCK(inp); 1603163953Srrs } 1604166675Srrs *optsize = sizeof(*av); 1605163953Srrs } 1606163953Srrs break; 1607167598Srrs case SCTP_VRF_ID: 1608167598Srrs { 1609167598Srrs uint32_t *vrf_id; 1610167598Srrs 1611167598Srrs SCTP_CHECK_AND_CAST(vrf_id, optval, uint32_t, *optsize); 1612167598Srrs *vrf_id = inp->def_vrf_id; 1613167598Srrs break; 1614167598Srrs } 1615167598Srrs case SCTP_GET_ASOC_VRF: 1616167598Srrs { 1617167598Srrs struct sctp_assoc_value *id; 1618167598Srrs 1619167598Srrs SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1620167598Srrs SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1621167598Srrs if (stcb == NULL) { 1622167598Srrs error = EINVAL; 1623167598Srrs break; 1624167598Srrs } 1625167598Srrs id->assoc_value = stcb->asoc.vrf_id; 1626167598Srrs break; 1627167598Srrs } 1628167598Srrs case SCTP_GET_VRF_IDS: 1629167598Srrs { 1630167598Srrs error = EOPNOTSUPP; 1631167598Srrs break; 1632167598Srrs } 1633163953Srrs case SCTP_GET_NONCE_VALUES: 1634163953Srrs { 1635163953Srrs struct sctp_get_nonce_values *gnv; 1636163953Srrs 1637166675Srrs SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 1638166675Srrs SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 1639166675Srrs 1640166675Srrs if (stcb) { 1641163953Srrs gnv->gn_peers_tag = stcb->asoc.peer_vtag; 1642163953Srrs gnv->gn_local_tag = stcb->asoc.my_vtag; 1643163953Srrs SCTP_TCB_UNLOCK(stcb); 1644166675Srrs } else { 1645166675Srrs error = ENOTCONN; 1646163953Srrs } 1647166675Srrs *optsize = sizeof(*gnv); 1648163953Srrs } 1649163953Srrs break; 1650163953Srrs case SCTP_DELAYED_ACK_TIME: 1651163953Srrs { 1652163953Srrs struct sctp_assoc_value *tm; 1653163953Srrs 1654166675Srrs SCTP_CHECK_AND_CAST(tm, optval, struct sctp_assoc_value, *optsize); 1655166675Srrs SCTP_FIND_STCB(inp, stcb, tm->assoc_id); 1656163953Srrs 1657166675Srrs if (stcb) { 1658166675Srrs tm->assoc_value = stcb->asoc.delayed_ack; 1659166675Srrs SCTP_TCB_UNLOCK(stcb); 1660166675Srrs } else { 1661163953Srrs SCTP_INP_RLOCK(inp); 1662166675Srrs tm->assoc_value = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 1663163953Srrs SCTP_INP_RUNLOCK(inp); 1664163953Srrs } 1665166675Srrs *optsize = sizeof(*tm); 1666163953Srrs } 1667163953Srrs break; 1668163953Srrs 1669163953Srrs case SCTP_GET_SNDBUF_USE: 1670166675Srrs { 1671163953Srrs struct sctp_sockstat *ss; 1672163953Srrs 1673166675Srrs SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 1674166675Srrs SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 1675166675Srrs 1676166675Srrs if (stcb) { 1677166675Srrs ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 1678166675Srrs ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 1679166675Srrs stcb->asoc.size_on_all_streams); 1680166675Srrs SCTP_TCB_UNLOCK(stcb); 1681166675Srrs } else { 1682163953Srrs error = ENOTCONN; 1683163953Srrs } 1684166675Srrs *optsize = sizeof(struct sctp_sockstat); 1685163953Srrs } 1686163953Srrs break; 1687163953Srrs case SCTP_MAXBURST: 1688163953Srrs { 1689166675Srrs uint8_t *value; 1690163953Srrs 1691166675Srrs SCTP_CHECK_AND_CAST(value, optval, uint8_t, *optsize); 1692166675Srrs 1693163953Srrs SCTP_INP_RLOCK(inp); 1694166675Srrs *value = inp->sctp_ep.max_burst; 1695163953Srrs SCTP_INP_RUNLOCK(inp); 1696166675Srrs *optsize = sizeof(uint8_t); 1697163953Srrs } 1698163953Srrs break; 1699163953Srrs case SCTP_MAXSEG: 1700163953Srrs { 1701167598Srrs struct sctp_assoc_value *av; 1702163953Srrs int ovh; 1703163953Srrs 1704167598Srrs SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1705167598Srrs SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1706163953Srrs 1707167598Srrs if (stcb) { 1708167598Srrs av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 1709167598Srrs SCTP_TCB_UNLOCK(stcb); 1710163953Srrs } else { 1711167598Srrs SCTP_INP_RLOCK(inp); 1712167598Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1713167598Srrs ovh = SCTP_MED_OVERHEAD; 1714167598Srrs } else { 1715167598Srrs ovh = SCTP_MED_V4_OVERHEAD; 1716167598Srrs } 1717167598Srrs av->assoc_value = inp->sctp_frag_point - ovh; 1718167598Srrs SCTP_INP_RUNLOCK(inp); 1719163953Srrs } 1720167598Srrs *optsize = sizeof(struct sctp_assoc_value); 1721163953Srrs } 1722163953Srrs break; 1723163953Srrs case SCTP_GET_STAT_LOG: 1724163953Srrs#ifdef SCTP_STAT_LOGGING 1725167598Srrs error = sctp_fill_stat_log(optval, optsize); 1726167598Srrs#else 1727163953Srrs error = EOPNOTSUPP; 1728163953Srrs#endif 1729163953Srrs break; 1730163953Srrs case SCTP_EVENTS: 1731163953Srrs { 1732163953Srrs struct sctp_event_subscribe *events; 1733163953Srrs 1734166675Srrs SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 1735163953Srrs memset(events, 0, sizeof(*events)); 1736163953Srrs SCTP_INP_RLOCK(inp); 1737163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 1738163953Srrs events->sctp_data_io_event = 1; 1739163953Srrs 1740163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 1741163953Srrs events->sctp_association_event = 1; 1742163953Srrs 1743163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 1744163953Srrs events->sctp_address_event = 1; 1745163953Srrs 1746163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 1747163953Srrs events->sctp_send_failure_event = 1; 1748163953Srrs 1749163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 1750163953Srrs events->sctp_peer_error_event = 1; 1751163953Srrs 1752163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 1753163953Srrs events->sctp_shutdown_event = 1; 1754163953Srrs 1755163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 1756163953Srrs events->sctp_partial_delivery_event = 1; 1757163953Srrs 1758163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 1759163953Srrs events->sctp_adaptation_layer_event = 1; 1760163953Srrs 1761163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 1762163953Srrs events->sctp_authentication_event = 1; 1763163953Srrs 1764163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 1765163953Srrs events->sctp_stream_reset_events = 1; 1766163953Srrs SCTP_INP_RUNLOCK(inp); 1767166675Srrs *optsize = sizeof(struct sctp_event_subscribe); 1768163953Srrs } 1769163953Srrs break; 1770163953Srrs 1771163953Srrs case SCTP_ADAPTATION_LAYER: 1772166675Srrs { 1773166675Srrs uint32_t *value; 1774166675Srrs 1775166675Srrs SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1776166675Srrs 1777166675Srrs SCTP_INP_RLOCK(inp); 1778166675Srrs *value = inp->sctp_ep.adaptation_layer_indicator; 1779166675Srrs SCTP_INP_RUNLOCK(inp); 1780166675Srrs *optsize = sizeof(uint32_t); 1781163953Srrs } 1782163953Srrs break; 1783163953Srrs case SCTP_SET_INITIAL_DBG_SEQ: 1784166675Srrs { 1785166675Srrs uint32_t *value; 1786166675Srrs 1787166675Srrs SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1788166675Srrs SCTP_INP_RLOCK(inp); 1789166675Srrs *value = inp->sctp_ep.initial_sequence_debug; 1790166675Srrs SCTP_INP_RUNLOCK(inp); 1791166675Srrs *optsize = sizeof(uint32_t); 1792163953Srrs } 1793163953Srrs break; 1794163953Srrs case SCTP_GET_LOCAL_ADDR_SIZE: 1795166675Srrs { 1796166675Srrs uint32_t *value; 1797166675Srrs 1798166675Srrs SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1799166675Srrs SCTP_INP_RLOCK(inp); 1800167598Srrs *value = sctp_count_max_addresses(inp, vrf_id); 1801166675Srrs SCTP_INP_RUNLOCK(inp); 1802166675Srrs *optsize = sizeof(uint32_t); 1803163953Srrs } 1804163953Srrs break; 1805163953Srrs case SCTP_GET_REMOTE_ADDR_SIZE: 1806163953Srrs { 1807166675Srrs uint32_t *value; 1808166675Srrs size_t size; 1809163953Srrs struct sctp_nets *net; 1810163953Srrs 1811166675Srrs SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1812166675Srrs /* FIXME MT: change to sctp_assoc_value? */ 1813166675Srrs SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 1814166675Srrs 1815166675Srrs if (stcb) { 1816166675Srrs size = 0; 1817166675Srrs /* Count the sizes */ 1818166675Srrs TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 1819166675Srrs if ((stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_NEEDS_MAPPED_V4) || 1820166675Srrs (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET6)) { 1821166675Srrs size += sizeof(struct sockaddr_in6); 1822166675Srrs } else if (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET) { 1823166675Srrs size += sizeof(struct sockaddr_in); 1824166675Srrs } else { 1825166675Srrs /* huh */ 1826166675Srrs break; 1827166675Srrs } 1828163953Srrs } 1829166675Srrs SCTP_TCB_UNLOCK(stcb); 1830166675Srrs *value = (uint32_t) size; 1831166675Srrs } else { 1832166675Srrs error = ENOTCONN; 1833163953Srrs } 1834166675Srrs *optsize = sizeof(uint32_t); 1835163953Srrs } 1836163953Srrs break; 1837163953Srrs case SCTP_GET_PEER_ADDRESSES: 1838163953Srrs /* 1839163953Srrs * Get the address information, an array is passed in to 1840163953Srrs * fill up we pack it. 1841163953Srrs */ 1842163953Srrs { 1843166675Srrs size_t cpsz, left; 1844163953Srrs struct sockaddr_storage *sas; 1845163953Srrs struct sctp_nets *net; 1846163953Srrs struct sctp_getaddresses *saddr; 1847163953Srrs 1848166675Srrs SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 1849166675Srrs SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 1850163953Srrs 1851166675Srrs if (stcb) { 1852166675Srrs left = (*optsize) - sizeof(struct sctp_getaddresses); 1853166675Srrs *optsize = sizeof(struct sctp_getaddresses); 1854166675Srrs sas = (struct sockaddr_storage *)&saddr->addr[0]; 1855166675Srrs 1856166675Srrs TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 1857166675Srrs if ((stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_NEEDS_MAPPED_V4) || 1858166675Srrs (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET6)) { 1859166675Srrs cpsz = sizeof(struct sockaddr_in6); 1860166675Srrs } else if (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET) { 1861166675Srrs cpsz = sizeof(struct sockaddr_in); 1862166675Srrs } else { 1863166675Srrs /* huh */ 1864166675Srrs break; 1865166675Srrs } 1866166675Srrs if (left < cpsz) { 1867166675Srrs /* not enough room. */ 1868166675Srrs break; 1869166675Srrs } 1870166675Srrs if ((stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_NEEDS_MAPPED_V4) && 1871166675Srrs (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET)) { 1872166675Srrs /* Must map the address */ 1873166675Srrs in6_sin_2_v4mapsin6((struct sockaddr_in *)&net->ro._l_addr, 1874166675Srrs (struct sockaddr_in6 *)sas); 1875166675Srrs } else { 1876166675Srrs memcpy(sas, &net->ro._l_addr, cpsz); 1877166675Srrs } 1878166675Srrs ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 1879166675Srrs 1880166675Srrs sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 1881166675Srrs left -= cpsz; 1882166675Srrs *optsize += cpsz; 1883163953Srrs } 1884166675Srrs SCTP_TCB_UNLOCK(stcb); 1885166675Srrs } else { 1886166675Srrs error = ENOENT; 1887163953Srrs } 1888163953Srrs } 1889163953Srrs break; 1890163953Srrs case SCTP_GET_LOCAL_ADDRESSES: 1891163953Srrs { 1892166675Srrs size_t limit, actual; 1893163953Srrs struct sockaddr_storage *sas; 1894163953Srrs struct sctp_getaddresses *saddr; 1895163953Srrs 1896166675Srrs SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 1897166675Srrs SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 1898163953Srrs 1899163953Srrs sas = (struct sockaddr_storage *)&saddr->addr[0]; 1900166675Srrs limit = *optsize - sizeof(sctp_assoc_t); 1901167598Srrs actual = sctp_fill_up_addresses(inp, stcb, limit, sas, vrf_id); 1902163953Srrs if (stcb) 1903163953Srrs SCTP_TCB_UNLOCK(stcb); 1904166675Srrs *optsize = sizeof(struct sockaddr_storage) + actual; 1905163953Srrs } 1906163953Srrs break; 1907163953Srrs case SCTP_PEER_ADDR_PARAMS: 1908163953Srrs { 1909163953Srrs struct sctp_paddrparams *paddrp; 1910163953Srrs struct sctp_nets *net; 1911163953Srrs 1912166675Srrs SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 1913166675Srrs SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 1914163953Srrs 1915163953Srrs net = NULL; 1916166675Srrs if (stcb) { 1917166675Srrs net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 1918166675Srrs } else { 1919166675Srrs /* 1920166675Srrs * We increment here since 1921166675Srrs * sctp_findassociation_ep_addr() wil do a 1922166675Srrs * decrement if it finds the stcb as long as 1923166675Srrs * the locked tcb (last argument) is NOT a 1924166675Srrs * TCB.. aka NULL. 1925166675Srrs */ 1926166675Srrs SCTP_INP_INCR_REF(inp); 1927166675Srrs stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddrp->spp_address, &net, NULL, NULL); 1928163953Srrs if (stcb == NULL) { 1929166675Srrs SCTP_INP_DECR_REF(inp); 1930163953Srrs } 1931163953Srrs } 1932163953Srrs 1933163953Srrs if (stcb) { 1934163953Srrs /* Applys to the specific association */ 1935163953Srrs paddrp->spp_flags = 0; 1936163953Srrs if (net) { 1937163953Srrs paddrp->spp_pathmaxrxt = net->failure_threshold; 1938163953Srrs paddrp->spp_pathmtu = net->mtu; 1939163953Srrs /* get flags for HB */ 1940163953Srrs if (net->dest_state & SCTP_ADDR_NOHB) 1941163953Srrs paddrp->spp_flags |= SPP_HB_DISABLE; 1942163953Srrs else 1943163953Srrs paddrp->spp_flags |= SPP_HB_ENABLE; 1944163953Srrs /* get flags for PMTU */ 1945165647Srrs if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 1946163953Srrs paddrp->spp_flags |= SPP_PMTUD_ENABLE; 1947163953Srrs } else { 1948163953Srrs paddrp->spp_flags |= SPP_PMTUD_DISABLE; 1949163953Srrs } 1950167598Srrs#ifdef INET 1951163953Srrs if (net->ro._l_addr.sin.sin_family == AF_INET) { 1952163953Srrs paddrp->spp_ipv4_tos = net->tos_flowlabel & 0x000000fc; 1953163953Srrs paddrp->spp_flags |= SPP_IPV4_TOS; 1954163953Srrs } 1955163953Srrs#endif 1956167598Srrs#ifdef INET6 1957163953Srrs if (net->ro._l_addr.sin6.sin6_family == AF_INET6) { 1958163953Srrs paddrp->spp_ipv6_flowlabel = net->tos_flowlabel; 1959163953Srrs paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 1960163953Srrs } 1961163953Srrs#endif 1962163953Srrs } else { 1963163953Srrs /* 1964163953Srrs * No destination so return default 1965163953Srrs * value 1966163953Srrs */ 1967163953Srrs paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 1968163953Srrs paddrp->spp_pathmtu = sctp_get_frag_point(stcb, &stcb->asoc); 1969167598Srrs#ifdef INET 1970163953Srrs paddrp->spp_ipv4_tos = stcb->asoc.default_tos & 0x000000fc; 1971163953Srrs paddrp->spp_flags |= SPP_IPV4_TOS; 1972163953Srrs#endif 1973167598Srrs#ifdef INET6 1974163953Srrs paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel; 1975163953Srrs paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 1976163953Srrs#endif 1977163953Srrs /* default settings should be these */ 1978163953Srrs if (sctp_is_hb_timer_running(stcb)) { 1979163953Srrs paddrp->spp_flags |= SPP_HB_ENABLE; 1980163953Srrs } 1981163953Srrs } 1982163953Srrs paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 1983163953Srrs paddrp->spp_assoc_id = sctp_get_associd(stcb); 1984163953Srrs SCTP_TCB_UNLOCK(stcb); 1985163953Srrs } else { 1986163953Srrs /* Use endpoint defaults */ 1987163953Srrs SCTP_INP_RLOCK(inp); 1988163953Srrs paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 1989163953Srrs paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 1990163953Srrs paddrp->spp_assoc_id = (sctp_assoc_t) 0; 1991163953Srrs /* get inp's default */ 1992167598Srrs#ifdef INET 1993163953Srrs paddrp->spp_ipv4_tos = inp->ip_inp.inp.inp_ip_tos; 1994163953Srrs paddrp->spp_flags |= SPP_IPV4_TOS; 1995163953Srrs#endif 1996167598Srrs#ifdef INET6 1997163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1998163953Srrs paddrp->spp_ipv6_flowlabel = ((struct in6pcb *)inp)->in6p_flowinfo; 1999163953Srrs paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2000163953Srrs } 2001163953Srrs#endif 2002163953Srrs /* can't return this */ 2003163953Srrs paddrp->spp_pathmaxrxt = 0; 2004163953Srrs paddrp->spp_pathmtu = 0; 2005163953Srrs /* default behavior, no stcb */ 2006167598Srrs paddrp->spp_flags = SPP_HB_ENABLE | SPP_PMTUD_ENABLE; 2007163953Srrs 2008163953Srrs SCTP_INP_RUNLOCK(inp); 2009163953Srrs } 2010166675Srrs *optsize = sizeof(struct sctp_paddrparams); 2011163953Srrs } 2012163953Srrs break; 2013163953Srrs case SCTP_GET_PEER_ADDR_INFO: 2014163953Srrs { 2015163953Srrs struct sctp_paddrinfo *paddri; 2016163953Srrs struct sctp_nets *net; 2017163953Srrs 2018166675Srrs SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2019166675Srrs SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2020166675Srrs 2021163953Srrs net = NULL; 2022166675Srrs if (stcb) { 2023166675Srrs net = sctp_findnet(stcb, (struct sockaddr *)&paddri->spinfo_address); 2024166675Srrs } else { 2025166675Srrs /* 2026166675Srrs * We increment here since 2027166675Srrs * sctp_findassociation_ep_addr() wil do a 2028166675Srrs * decrement if it finds the stcb as long as 2029166675Srrs * the locked tcb (last argument) is NOT a 2030166675Srrs * TCB.. aka NULL. 2031166675Srrs */ 2032166675Srrs SCTP_INP_INCR_REF(inp); 2033166675Srrs stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddri->spinfo_address, &net, NULL, NULL); 2034166675Srrs if (stcb == NULL) { 2035166675Srrs SCTP_INP_DECR_REF(inp); 2036163953Srrs } 2037166675Srrs } 2038163953Srrs 2039166675Srrs if ((stcb) && (net)) { 2040166675Srrs paddri->spinfo_state = net->dest_state & (SCTP_REACHABLE_MASK | SCTP_ADDR_NOHB); 2041166675Srrs paddri->spinfo_cwnd = net->cwnd; 2042166675Srrs paddri->spinfo_srtt = ((net->lastsa >> 2) + net->lastsv) >> 1; 2043166675Srrs paddri->spinfo_rto = net->RTO; 2044166675Srrs paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2045166675Srrs SCTP_TCB_UNLOCK(stcb); 2046163953Srrs } else { 2047163953Srrs if (stcb) { 2048163953Srrs SCTP_TCB_UNLOCK(stcb); 2049163953Srrs } 2050163953Srrs error = ENOENT; 2051163953Srrs } 2052166675Srrs *optsize = sizeof(struct sctp_paddrinfo); 2053163953Srrs } 2054163953Srrs break; 2055163953Srrs case SCTP_PCB_STATUS: 2056163953Srrs { 2057163953Srrs struct sctp_pcbinfo *spcb; 2058163953Srrs 2059166675Srrs SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2060163953Srrs sctp_fill_pcbinfo(spcb); 2061166675Srrs *optsize = sizeof(struct sctp_pcbinfo); 2062163953Srrs } 2063163953Srrs break; 2064167598Srrs 2065163953Srrs case SCTP_STATUS: 2066163953Srrs { 2067163953Srrs struct sctp_nets *net; 2068163953Srrs struct sctp_status *sstat; 2069163953Srrs 2070166675Srrs SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2071166675Srrs SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2072163953Srrs 2073163953Srrs if (stcb == NULL) { 2074163953Srrs error = EINVAL; 2075163953Srrs break; 2076163953Srrs } 2077163953Srrs /* 2078163953Srrs * I think passing the state is fine since 2079163953Srrs * sctp_constants.h will be available to the user 2080163953Srrs * land. 2081163953Srrs */ 2082163953Srrs sstat->sstat_state = stcb->asoc.state; 2083163953Srrs sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2084163953Srrs sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2085163953Srrs /* 2086163953Srrs * We can't include chunks that have been passed to 2087163953Srrs * the socket layer. Only things in queue. 2088163953Srrs */ 2089163953Srrs sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2090163953Srrs stcb->asoc.cnt_on_all_streams); 2091163953Srrs 2092163953Srrs 2093163953Srrs sstat->sstat_instrms = stcb->asoc.streamincnt; 2094163953Srrs sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2095163953Srrs sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2096163953Srrs memcpy(&sstat->sstat_primary.spinfo_address, 2097163953Srrs &stcb->asoc.primary_destination->ro._l_addr, 2098163953Srrs ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2099163953Srrs net = stcb->asoc.primary_destination; 2100163953Srrs ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2101163953Srrs /* 2102163953Srrs * Again the user can get info from sctp_constants.h 2103163953Srrs * for what the state of the network is. 2104163953Srrs */ 2105163953Srrs sstat->sstat_primary.spinfo_state = net->dest_state & SCTP_REACHABLE_MASK; 2106163953Srrs sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2107163953Srrs sstat->sstat_primary.spinfo_srtt = net->lastsa; 2108163953Srrs sstat->sstat_primary.spinfo_rto = net->RTO; 2109163953Srrs sstat->sstat_primary.spinfo_mtu = net->mtu; 2110163953Srrs sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2111163953Srrs SCTP_TCB_UNLOCK(stcb); 2112166675Srrs *optsize = sizeof(*sstat); 2113163953Srrs } 2114163953Srrs break; 2115163953Srrs case SCTP_RTOINFO: 2116163953Srrs { 2117163953Srrs struct sctp_rtoinfo *srto; 2118163953Srrs 2119166675Srrs SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2120166675Srrs SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2121166675Srrs 2122166675Srrs if (stcb) { 2123166675Srrs srto->srto_initial = stcb->asoc.initial_rto; 2124166675Srrs srto->srto_max = stcb->asoc.maxrto; 2125166675Srrs srto->srto_min = stcb->asoc.minrto; 2126166675Srrs SCTP_TCB_UNLOCK(stcb); 2127166675Srrs } else { 2128163953Srrs SCTP_INP_RLOCK(inp); 2129163953Srrs srto->srto_initial = inp->sctp_ep.initial_rto; 2130163953Srrs srto->srto_max = inp->sctp_ep.sctp_maxrto; 2131163953Srrs srto->srto_min = inp->sctp_ep.sctp_minrto; 2132163953Srrs SCTP_INP_RUNLOCK(inp); 2133163953Srrs } 2134166675Srrs *optsize = sizeof(*srto); 2135163953Srrs } 2136163953Srrs break; 2137163953Srrs case SCTP_ASSOCINFO: 2138163953Srrs { 2139163953Srrs struct sctp_assocparams *sasoc; 2140163953Srrs 2141166675Srrs SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2142166675Srrs SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2143163953Srrs 2144163953Srrs if (stcb) { 2145163953Srrs sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2146163953Srrs sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2147163953Srrs sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2148163953Srrs sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2149163953Srrs sasoc->sasoc_cookie_life = stcb->asoc.cookie_life; 2150167598Srrs sasoc->sasoc_sack_delay = stcb->asoc.delayed_ack; 2151167598Srrs sasoc->sasoc_sack_freq = stcb->asoc.sack_freq; 2152163953Srrs SCTP_TCB_UNLOCK(stcb); 2153163953Srrs } else { 2154163953Srrs SCTP_INP_RLOCK(inp); 2155163953Srrs sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2156163953Srrs sasoc->sasoc_number_peer_destinations = 0; 2157163953Srrs sasoc->sasoc_peer_rwnd = 0; 2158163953Srrs sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2159163953Srrs sasoc->sasoc_cookie_life = inp->sctp_ep.def_cookie_life; 2160167598Srrs sasoc->sasoc_sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2161167598Srrs sasoc->sasoc_sack_freq = inp->sctp_ep.sctp_sack_freq; 2162163953Srrs SCTP_INP_RUNLOCK(inp); 2163163953Srrs } 2164166675Srrs *optsize = sizeof(*sasoc); 2165163953Srrs } 2166163953Srrs break; 2167163953Srrs case SCTP_DEFAULT_SEND_PARAM: 2168163953Srrs { 2169163953Srrs struct sctp_sndrcvinfo *s_info; 2170163953Srrs 2171166675Srrs SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2172166675Srrs SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2173166675Srrs 2174166675Srrs if (stcb) { 2175166675Srrs *s_info = stcb->asoc.def_send; 2176166675Srrs SCTP_TCB_UNLOCK(stcb); 2177166675Srrs } else { 2178163953Srrs SCTP_INP_RLOCK(inp); 2179166675Srrs *s_info = inp->def_send; 2180163953Srrs SCTP_INP_RUNLOCK(inp); 2181163953Srrs } 2182166675Srrs *optsize = sizeof(*s_info); 2183163953Srrs } 2184163953Srrs break; 2185163953Srrs case SCTP_INITMSG: 2186163953Srrs { 2187163953Srrs struct sctp_initmsg *sinit; 2188163953Srrs 2189166675Srrs SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2190163953Srrs SCTP_INP_RLOCK(inp); 2191163953Srrs sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2192163953Srrs sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2193163953Srrs sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2194163953Srrs sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2195163953Srrs SCTP_INP_RUNLOCK(inp); 2196166675Srrs *optsize = sizeof(*sinit); 2197163953Srrs } 2198163953Srrs break; 2199163953Srrs case SCTP_PRIMARY_ADDR: 2200163953Srrs /* we allow a "get" operation on this */ 2201163953Srrs { 2202163953Srrs struct sctp_setprim *ssp; 2203163953Srrs 2204166675Srrs SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2205166675Srrs SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2206166675Srrs 2207166675Srrs if (stcb) { 2208166675Srrs /* simply copy out the sockaddr_storage... */ 2209166675Srrs memcpy(&ssp->ssp_addr, &stcb->asoc.primary_destination->ro._l_addr, 2210166675Srrs ((struct sockaddr *)&stcb->asoc.primary_destination->ro._l_addr)->sa_len); 2211166675Srrs SCTP_TCB_UNLOCK(stcb); 2212166675Srrs } else { 2213163953Srrs error = EINVAL; 2214163953Srrs } 2215166675Srrs *optsize = sizeof(*ssp); 2216163953Srrs } 2217163953Srrs break; 2218163953Srrs 2219163953Srrs case SCTP_HMAC_IDENT: 2220163953Srrs { 2221163953Srrs struct sctp_hmacalgo *shmac; 2222163953Srrs sctp_hmaclist_t *hmaclist; 2223163953Srrs uint32_t size; 2224163953Srrs int i; 2225163953Srrs 2226166675Srrs SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2227166675Srrs 2228163953Srrs SCTP_INP_RLOCK(inp); 2229163953Srrs hmaclist = inp->sctp_ep.local_hmacs; 2230163953Srrs if (hmaclist == NULL) { 2231163953Srrs /* no HMACs to return */ 2232166675Srrs *optsize = sizeof(*shmac); 2233163953Srrs break; 2234163953Srrs } 2235163953Srrs /* is there room for all of the hmac ids? */ 2236163953Srrs size = sizeof(*shmac) + (hmaclist->num_algo * 2237163953Srrs sizeof(shmac->shmac_idents[0])); 2238166675Srrs if ((size_t)(*optsize) < size) { 2239163953Srrs error = EINVAL; 2240163953Srrs SCTP_INP_RUNLOCK(inp); 2241163953Srrs break; 2242163953Srrs } 2243163953Srrs /* copy in the list */ 2244163953Srrs for (i = 0; i < hmaclist->num_algo; i++) 2245163953Srrs shmac->shmac_idents[i] = hmaclist->hmac[i]; 2246163953Srrs SCTP_INP_RUNLOCK(inp); 2247166675Srrs *optsize = size; 2248163953Srrs break; 2249163953Srrs } 2250163953Srrs case SCTP_AUTH_ACTIVE_KEY: 2251163953Srrs { 2252163953Srrs struct sctp_authkeyid *scact; 2253163953Srrs 2254166675Srrs SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2255166675Srrs SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2256166675Srrs 2257166675Srrs if (stcb) { 2258163953Srrs /* get the active key on the assoc */ 2259163953Srrs scact->scact_keynumber = stcb->asoc.authinfo.assoc_keyid; 2260163953Srrs SCTP_TCB_UNLOCK(stcb); 2261163953Srrs } else { 2262163953Srrs /* get the endpoint active key */ 2263163953Srrs SCTP_INP_RLOCK(inp); 2264163953Srrs scact->scact_keynumber = inp->sctp_ep.default_keyid; 2265163953Srrs SCTP_INP_RUNLOCK(inp); 2266163953Srrs } 2267166675Srrs *optsize = sizeof(*scact); 2268163953Srrs break; 2269163953Srrs } 2270163953Srrs case SCTP_LOCAL_AUTH_CHUNKS: 2271163953Srrs { 2272163953Srrs struct sctp_authchunks *sac; 2273163953Srrs sctp_auth_chklist_t *chklist = NULL; 2274166675Srrs size_t size = 0; 2275163953Srrs 2276166675Srrs SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2277166675Srrs SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2278166675Srrs 2279166675Srrs if (stcb) { 2280163953Srrs /* get off the assoc */ 2281163953Srrs chklist = stcb->asoc.local_auth_chunks; 2282163953Srrs /* is there enough space? */ 2283163953Srrs size = sctp_auth_get_chklist_size(chklist); 2284166675Srrs if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2285163953Srrs error = EINVAL; 2286166675Srrs } else { 2287166675Srrs /* copy in the chunks */ 2288166675Srrs sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2289163953Srrs } 2290163953Srrs SCTP_TCB_UNLOCK(stcb); 2291163953Srrs } else { 2292163953Srrs /* get off the endpoint */ 2293163953Srrs SCTP_INP_RLOCK(inp); 2294163953Srrs chklist = inp->sctp_ep.local_auth_chunks; 2295163953Srrs /* is there enough space? */ 2296163953Srrs size = sctp_auth_get_chklist_size(chklist); 2297166675Srrs if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2298163953Srrs error = EINVAL; 2299166675Srrs } else { 2300166675Srrs /* copy in the chunks */ 2301166675Srrs sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2302163953Srrs } 2303163953Srrs SCTP_INP_RUNLOCK(inp); 2304163953Srrs } 2305166675Srrs *optsize = sizeof(struct sctp_authchunks) + size; 2306163953Srrs break; 2307163953Srrs } 2308163953Srrs case SCTP_PEER_AUTH_CHUNKS: 2309163953Srrs { 2310163953Srrs struct sctp_authchunks *sac; 2311163953Srrs sctp_auth_chklist_t *chklist = NULL; 2312166675Srrs size_t size = 0; 2313163953Srrs 2314166675Srrs SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2315166675Srrs SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2316166675Srrs 2317166675Srrs if (stcb) { 2318166675Srrs /* get off the assoc */ 2319166675Srrs chklist = stcb->asoc.peer_auth_chunks; 2320166675Srrs /* is there enough space? */ 2321166675Srrs size = sctp_auth_get_chklist_size(chklist); 2322166675Srrs if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2323166675Srrs error = EINVAL; 2324166675Srrs } else { 2325166675Srrs /* copy in the chunks */ 2326166675Srrs sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2327166675Srrs } 2328166675Srrs SCTP_TCB_UNLOCK(stcb); 2329166675Srrs } else { 2330163953Srrs error = ENOENT; 2331163953Srrs } 2332166675Srrs *optsize = sizeof(struct sctp_authchunks) + size; 2333163953Srrs break; 2334163953Srrs } 2335163953Srrs 2336163953Srrs 2337163953Srrs default: 2338163953Srrs error = ENOPROTOOPT; 2339166675Srrs *optsize = 0; 2340163953Srrs break; 2341163953Srrs } /* end switch (sopt->sopt_name) */ 2342163953Srrs return (error); 2343163953Srrs} 2344163953Srrs 2345163953Srrsstatic int 2346166675Srrssctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 2347166675Srrs void *p) 2348163953Srrs{ 2349166675Srrs int error, set_opt; 2350166675Srrs uint32_t *mopt; 2351163953Srrs struct sctp_tcb *stcb = NULL; 2352163953Srrs struct sctp_inpcb *inp; 2353167598Srrs uint32_t vrf_id; 2354163953Srrs 2355166675Srrs if (optval == NULL) { 2356167598Srrs printf("optval is NULL\n"); 2357163953Srrs return (EINVAL); 2358163953Srrs } 2359163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 2360167598Srrs if (inp == 0) { 2361167598Srrs printf("inp is NULL?\n"); 2362163953Srrs return EINVAL; 2363167598Srrs } 2364167598Srrs vrf_id = SCTP_DEFAULT_VRFID; 2365163953Srrs 2366163953Srrs error = 0; 2367166675Srrs switch (optname) { 2368163953Srrs case SCTP_NODELAY: 2369163953Srrs case SCTP_AUTOCLOSE: 2370163953Srrs case SCTP_AUTO_ASCONF: 2371163953Srrs case SCTP_EXPLICIT_EOR: 2372163953Srrs case SCTP_DISABLE_FRAGMENTS: 2373163953Srrs case SCTP_USE_EXT_RCVINFO: 2374163953Srrs case SCTP_I_WANT_MAPPED_V4_ADDR: 2375163953Srrs /* copy in the option value */ 2376166675Srrs SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 2377163953Srrs set_opt = 0; 2378163953Srrs if (error) 2379163953Srrs break; 2380166675Srrs switch (optname) { 2381163953Srrs case SCTP_DISABLE_FRAGMENTS: 2382163953Srrs set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 2383163953Srrs break; 2384163953Srrs case SCTP_AUTO_ASCONF: 2385163953Srrs set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 2386163953Srrs break; 2387163953Srrs case SCTP_EXPLICIT_EOR: 2388163953Srrs set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 2389163953Srrs break; 2390163953Srrs case SCTP_USE_EXT_RCVINFO: 2391163953Srrs set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 2392163953Srrs break; 2393163953Srrs case SCTP_I_WANT_MAPPED_V4_ADDR: 2394163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2395163953Srrs set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 2396163953Srrs } else { 2397163953Srrs return (EINVAL); 2398163953Srrs } 2399163953Srrs break; 2400163953Srrs case SCTP_NODELAY: 2401163953Srrs set_opt = SCTP_PCB_FLAGS_NODELAY; 2402163953Srrs break; 2403163953Srrs case SCTP_AUTOCLOSE: 2404163953Srrs set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 2405163953Srrs /* 2406163953Srrs * The value is in ticks. Note this does not effect 2407163953Srrs * old associations, only new ones. 2408163953Srrs */ 2409163953Srrs inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 2410163953Srrs break; 2411163953Srrs } 2412163953Srrs SCTP_INP_WLOCK(inp); 2413163953Srrs if (*mopt != 0) { 2414163953Srrs sctp_feature_on(inp, set_opt); 2415163953Srrs } else { 2416163953Srrs sctp_feature_off(inp, set_opt); 2417163953Srrs } 2418163953Srrs SCTP_INP_WUNLOCK(inp); 2419163953Srrs break; 2420163953Srrs case SCTP_PARTIAL_DELIVERY_POINT: 2421163953Srrs { 2422166675Srrs uint32_t *value; 2423166675Srrs 2424166675Srrs SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 2425166675Srrs inp->partial_delivery_point = *value; 2426163953Srrs } 2427163953Srrs break; 2428163953Srrs case SCTP_FRAGMENT_INTERLEAVE: 2429163953Srrs /* not yet until we re-write sctp_recvmsg() */ 2430163953Srrs { 2431166675Srrs uint32_t *on_off; 2432163953Srrs 2433166675Srrs SCTP_CHECK_AND_CAST(on_off, optval, uint32_t, optsize); 2434166675Srrs if (*on_off) { 2435163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 2436163953Srrs } else { 2437163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 2438163953Srrs } 2439163953Srrs } 2440163953Srrs break; 2441163953Srrs case SCTP_CMT_ON_OFF: 2442163953Srrs { 2443163953Srrs struct sctp_assoc_value *av; 2444163953Srrs 2445166675Srrs SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 2446166675Srrs if (sctp_cmt_on_off) { 2447166675Srrs SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2448166675Srrs if (stcb) { 2449163953Srrs stcb->asoc.sctp_cmt_on_off = (uint8_t) av->assoc_value; 2450166675Srrs SCTP_TCB_UNLOCK(stcb); 2451163953Srrs } else { 2452166675Srrs error = ENOTCONN; 2453163953Srrs } 2454166675Srrs } else { 2455166675Srrs error = ENOPROTOOPT; 2456163953Srrs } 2457163953Srrs } 2458163953Srrs break; 2459163953Srrs case SCTP_CLR_STAT_LOG: 2460163953Srrs#ifdef SCTP_STAT_LOGGING 2461163953Srrs sctp_clr_stat_log(); 2462163953Srrs#else 2463163953Srrs error = EOPNOTSUPP; 2464163953Srrs#endif 2465163953Srrs break; 2466163953Srrs case SCTP_CONTEXT: 2467163953Srrs { 2468163953Srrs struct sctp_assoc_value *av; 2469163953Srrs 2470166675Srrs SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 2471166675Srrs SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2472166675Srrs 2473166675Srrs if (stcb) { 2474166675Srrs stcb->asoc.context = av->assoc_value; 2475166675Srrs SCTP_TCB_UNLOCK(stcb); 2476163953Srrs } else { 2477166675Srrs SCTP_INP_WLOCK(inp); 2478163953Srrs inp->sctp_context = av->assoc_value; 2479166675Srrs SCTP_INP_WUNLOCK(inp); 2480163953Srrs } 2481163953Srrs } 2482163953Srrs break; 2483167598Srrs case SCTP_VRF_ID: 2484167598Srrs { 2485167598Srrs uint32_t *vrf_id; 2486167598Srrs 2487167598Srrs SCTP_CHECK_AND_CAST(vrf_id, optval, uint32_t, optsize); 2488167598Srrs if (*vrf_id > SCTP_MAX_VRF_ID) { 2489167598Srrs error = EINVAL; 2490167598Srrs break; 2491167598Srrs } 2492167598Srrs inp->def_vrf_id = *vrf_id; 2493167598Srrs break; 2494167598Srrs } 2495167598Srrs case SCTP_DEL_VRF_ID: 2496167598Srrs { 2497167598Srrs error = EOPNOTSUPP; 2498167598Srrs break; 2499167598Srrs } 2500167598Srrs case SCTP_ADD_VRF_ID: 2501167598Srrs { 2502167598Srrs error = EOPNOTSUPP; 2503167598Srrs break; 2504167598Srrs } 2505167598Srrs 2506163953Srrs case SCTP_DELAYED_ACK_TIME: 2507163953Srrs { 2508163953Srrs struct sctp_assoc_value *tm; 2509163953Srrs 2510166675Srrs SCTP_CHECK_AND_CAST(tm, optval, struct sctp_assoc_value, optsize); 2511166675Srrs SCTP_FIND_STCB(inp, stcb, tm->assoc_id); 2512163953Srrs 2513166675Srrs if (stcb) { 2514166675Srrs stcb->asoc.delayed_ack = tm->assoc_value; 2515166675Srrs SCTP_TCB_UNLOCK(stcb); 2516166675Srrs } else { 2517163953Srrs SCTP_INP_WLOCK(inp); 2518166675Srrs inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(tm->assoc_value); 2519163953Srrs SCTP_INP_WUNLOCK(inp); 2520163953Srrs } 2521166675Srrs break; 2522163953Srrs } 2523163953Srrs case SCTP_AUTH_CHUNK: 2524163953Srrs { 2525163953Srrs struct sctp_authchunk *sauth; 2526163953Srrs 2527166675Srrs SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 2528166675Srrs 2529166675Srrs SCTP_INP_WLOCK(inp); 2530166675Srrs if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) 2531163953Srrs error = EINVAL; 2532166675Srrs SCTP_INP_WUNLOCK(inp); 2533163953Srrs break; 2534163953Srrs } 2535163953Srrs case SCTP_AUTH_KEY: 2536163953Srrs { 2537163953Srrs struct sctp_authkey *sca; 2538163953Srrs struct sctp_keyhead *shared_keys; 2539163953Srrs sctp_sharedkey_t *shared_key; 2540163953Srrs sctp_key_t *key = NULL; 2541166675Srrs size_t size; 2542163953Srrs 2543166675Srrs SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 2544166675Srrs SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id) 2545166675Srrs size = optsize - sizeof(*sca); 2546166675Srrs 2547166675Srrs if (stcb) { 2548163953Srrs /* set it on the assoc */ 2549163953Srrs shared_keys = &stcb->asoc.shared_keys; 2550163953Srrs /* clear the cached keys for this key id */ 2551163953Srrs sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 2552163953Srrs /* 2553163953Srrs * create the new shared key and 2554163953Srrs * insert/replace it 2555163953Srrs */ 2556163953Srrs if (size > 0) { 2557163953Srrs key = sctp_set_key(sca->sca_key, (uint32_t) size); 2558163953Srrs if (key == NULL) { 2559163953Srrs error = ENOMEM; 2560163953Srrs SCTP_TCB_UNLOCK(stcb); 2561163953Srrs break; 2562163953Srrs } 2563163953Srrs } 2564163953Srrs shared_key = sctp_alloc_sharedkey(); 2565163953Srrs if (shared_key == NULL) { 2566163953Srrs sctp_free_key(key); 2567163953Srrs error = ENOMEM; 2568163953Srrs SCTP_TCB_UNLOCK(stcb); 2569163953Srrs break; 2570163953Srrs } 2571163953Srrs shared_key->key = key; 2572163953Srrs shared_key->keyid = sca->sca_keynumber; 2573163953Srrs sctp_insert_sharedkey(shared_keys, shared_key); 2574163953Srrs SCTP_TCB_UNLOCK(stcb); 2575163953Srrs } else { 2576166675Srrs /* set it on the endpoint */ 2577163953Srrs SCTP_INP_WLOCK(inp); 2578163953Srrs shared_keys = &inp->sctp_ep.shared_keys; 2579163953Srrs /* 2580163953Srrs * clear the cached keys on all assocs for 2581163953Srrs * this key id 2582163953Srrs */ 2583163953Srrs sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 2584163953Srrs /* 2585163953Srrs * create the new shared key and 2586163953Srrs * insert/replace it 2587163953Srrs */ 2588163953Srrs if (size > 0) { 2589163953Srrs key = sctp_set_key(sca->sca_key, (uint32_t) size); 2590163953Srrs if (key == NULL) { 2591163953Srrs error = ENOMEM; 2592163953Srrs SCTP_INP_WUNLOCK(inp); 2593163953Srrs break; 2594163953Srrs } 2595163953Srrs } 2596163953Srrs shared_key = sctp_alloc_sharedkey(); 2597163953Srrs if (shared_key == NULL) { 2598163953Srrs sctp_free_key(key); 2599163953Srrs error = ENOMEM; 2600163953Srrs SCTP_INP_WUNLOCK(inp); 2601163953Srrs break; 2602163953Srrs } 2603163953Srrs shared_key->key = key; 2604163953Srrs shared_key->keyid = sca->sca_keynumber; 2605163953Srrs sctp_insert_sharedkey(shared_keys, shared_key); 2606163953Srrs SCTP_INP_WUNLOCK(inp); 2607163953Srrs } 2608163953Srrs break; 2609163953Srrs } 2610163953Srrs case SCTP_HMAC_IDENT: 2611163953Srrs { 2612163953Srrs struct sctp_hmacalgo *shmac; 2613163953Srrs sctp_hmaclist_t *hmaclist; 2614163953Srrs uint32_t hmacid; 2615166675Srrs size_t size, i; 2616163953Srrs 2617166675Srrs SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 2618166675Srrs size = (optsize - sizeof(*shmac)) / sizeof(shmac->shmac_idents[0]); 2619163953Srrs hmaclist = sctp_alloc_hmaclist(size); 2620163953Srrs if (hmaclist == NULL) { 2621163953Srrs error = ENOMEM; 2622163953Srrs break; 2623163953Srrs } 2624163953Srrs for (i = 0; i < size; i++) { 2625163953Srrs hmacid = shmac->shmac_idents[i]; 2626163953Srrs if (sctp_auth_add_hmacid(hmaclist, (uint16_t) hmacid)) { 2627163953Srrs /* invalid HMACs were found */ ; 2628163953Srrs error = EINVAL; 2629164085Srrs sctp_free_hmaclist(hmaclist); 2630163953Srrs goto sctp_set_hmac_done; 2631163953Srrs } 2632163953Srrs } 2633163953Srrs /* set it on the endpoint */ 2634163953Srrs SCTP_INP_WLOCK(inp); 2635163953Srrs if (inp->sctp_ep.local_hmacs) 2636163953Srrs sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 2637163953Srrs inp->sctp_ep.local_hmacs = hmaclist; 2638163953Srrs SCTP_INP_WUNLOCK(inp); 2639163953Srrs sctp_set_hmac_done: 2640163953Srrs break; 2641163953Srrs } 2642163953Srrs case SCTP_AUTH_ACTIVE_KEY: 2643163953Srrs { 2644163953Srrs struct sctp_authkeyid *scact; 2645163953Srrs 2646166675Srrs SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 2647166675Srrs SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2648166675Srrs 2649163953Srrs /* set the active key on the right place */ 2650166675Srrs if (stcb) { 2651163953Srrs /* set the active key on the assoc */ 2652163953Srrs if (sctp_auth_setactivekey(stcb, scact->scact_keynumber)) 2653163953Srrs error = EINVAL; 2654163953Srrs SCTP_TCB_UNLOCK(stcb); 2655163953Srrs } else { 2656163953Srrs /* set the active key on the endpoint */ 2657163953Srrs SCTP_INP_WLOCK(inp); 2658163953Srrs if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) 2659163953Srrs error = EINVAL; 2660163953Srrs SCTP_INP_WUNLOCK(inp); 2661163953Srrs } 2662163953Srrs break; 2663163953Srrs } 2664163953Srrs case SCTP_AUTH_DELETE_KEY: 2665163953Srrs { 2666163953Srrs struct sctp_authkeyid *scdel; 2667163953Srrs 2668166675Srrs SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 2669166675Srrs SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 2670166675Srrs 2671163953Srrs /* delete the key from the right place */ 2672166675Srrs if (stcb) { 2673163953Srrs if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) 2674163953Srrs error = EINVAL; 2675163953Srrs SCTP_TCB_UNLOCK(stcb); 2676163953Srrs } else { 2677163953Srrs SCTP_INP_WLOCK(inp); 2678163953Srrs if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) 2679163953Srrs error = EINVAL; 2680163953Srrs SCTP_INP_WUNLOCK(inp); 2681163953Srrs } 2682163953Srrs break; 2683163953Srrs } 2684163953Srrs 2685163953Srrs case SCTP_RESET_STREAMS: 2686163953Srrs { 2687163953Srrs struct sctp_stream_reset *strrst; 2688163953Srrs uint8_t send_in = 0, send_tsn = 0, send_out = 0; 2689163953Srrs int i; 2690163953Srrs 2691166675Srrs SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_stream_reset, optsize); 2692166675Srrs SCTP_FIND_STCB(inp, stcb, strrst->strrst_assoc_id); 2693163953Srrs 2694163953Srrs if (stcb == NULL) { 2695163953Srrs error = ENOENT; 2696163953Srrs break; 2697163953Srrs } 2698163953Srrs if (stcb->asoc.peer_supports_strreset == 0) { 2699163953Srrs /* 2700163953Srrs * Peer does not support it, we return 2701163953Srrs * protocol not supported since this is true 2702163953Srrs * for this feature and this peer, not the 2703163953Srrs * socket request in general. 2704163953Srrs */ 2705163953Srrs error = EPROTONOSUPPORT; 2706163953Srrs SCTP_TCB_UNLOCK(stcb); 2707163953Srrs break; 2708163953Srrs } 2709163953Srrs if (stcb->asoc.stream_reset_outstanding) { 2710163953Srrs error = EALREADY; 2711163953Srrs SCTP_TCB_UNLOCK(stcb); 2712163953Srrs break; 2713163953Srrs } 2714163953Srrs if (strrst->strrst_flags == SCTP_RESET_LOCAL_RECV) { 2715163953Srrs send_in = 1; 2716163953Srrs } else if (strrst->strrst_flags == SCTP_RESET_LOCAL_SEND) { 2717163953Srrs send_out = 1; 2718163953Srrs } else if (strrst->strrst_flags == SCTP_RESET_BOTH) { 2719163953Srrs send_in = 1; 2720163953Srrs send_out = 1; 2721163953Srrs } else if (strrst->strrst_flags == SCTP_RESET_TSN) { 2722163953Srrs send_tsn = 1; 2723163953Srrs } else { 2724163953Srrs error = EINVAL; 2725163953Srrs SCTP_TCB_UNLOCK(stcb); 2726163953Srrs break; 2727163953Srrs } 2728163953Srrs for (i = 0; i < strrst->strrst_num_streams; i++) { 2729163953Srrs if ((send_in) && 2730163953Srrs 2731163953Srrs (strrst->strrst_list[i] > stcb->asoc.streamincnt)) { 2732163953Srrs error = EINVAL; 2733163953Srrs goto get_out; 2734163953Srrs } 2735163953Srrs if ((send_out) && 2736163953Srrs (strrst->strrst_list[i] > stcb->asoc.streamoutcnt)) { 2737163953Srrs error = EINVAL; 2738163953Srrs goto get_out; 2739163953Srrs } 2740163953Srrs } 2741163953Srrs if (error) { 2742163953Srrs get_out: 2743163953Srrs SCTP_TCB_UNLOCK(stcb); 2744163953Srrs break; 2745163953Srrs } 2746163953Srrs error = sctp_send_str_reset_req(stcb, strrst->strrst_num_streams, 2747163953Srrs strrst->strrst_list, 2748163953Srrs send_out, (stcb->asoc.str_reset_seq_in - 3), 2749163953Srrs send_in, send_tsn); 2750163953Srrs 2751163953Srrs sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ); 2752163953Srrs SCTP_TCB_UNLOCK(stcb); 2753163953Srrs } 2754163953Srrs break; 2755166675Srrs 2756163953Srrs case SCTP_CONNECT_X: 2757166675Srrs if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 2758163953Srrs error = EINVAL; 2759163953Srrs break; 2760163953Srrs } 2761166675Srrs error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 2762163953Srrs break; 2763163953Srrs 2764163953Srrs case SCTP_CONNECT_X_DELAYED: 2765166675Srrs if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 2766163953Srrs error = EINVAL; 2767163953Srrs break; 2768163953Srrs } 2769166675Srrs error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 2770163953Srrs break; 2771163953Srrs 2772163953Srrs case SCTP_CONNECT_X_COMPLETE: 2773163953Srrs { 2774163953Srrs struct sockaddr *sa; 2775163953Srrs struct sctp_nets *net; 2776163953Srrs 2777166675Srrs /* FIXME MT: check correct? */ 2778166675Srrs SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 2779166675Srrs 2780163953Srrs /* find tcb */ 2781163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 2782163953Srrs SCTP_INP_RLOCK(inp); 2783163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 2784163953Srrs if (stcb) { 2785163953Srrs SCTP_TCB_LOCK(stcb); 2786163953Srrs net = sctp_findnet(stcb, sa); 2787163953Srrs } 2788163953Srrs SCTP_INP_RUNLOCK(inp); 2789163953Srrs } else { 2790166675Srrs /* 2791166675Srrs * We increment here since 2792166675Srrs * sctp_findassociation_ep_addr() wil do a 2793166675Srrs * decrement if it finds the stcb as long as 2794166675Srrs * the locked tcb (last argument) is NOT a 2795166675Srrs * TCB.. aka NULL. 2796166675Srrs */ 2797163953Srrs SCTP_INP_INCR_REF(inp); 2798163953Srrs stcb = sctp_findassociation_ep_addr(&inp, sa, &net, NULL, NULL); 2799163953Srrs if (stcb == NULL) { 2800163953Srrs SCTP_INP_DECR_REF(inp); 2801163953Srrs } 2802163953Srrs } 2803163953Srrs 2804163953Srrs if (stcb == NULL) { 2805163953Srrs error = ENOENT; 2806163953Srrs break; 2807163953Srrs } 2808163953Srrs if (stcb->asoc.delayed_connection == 1) { 2809163953Srrs stcb->asoc.delayed_connection = 0; 2810163953Srrs SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 2811165220Srrs sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 2812165220Srrs stcb->asoc.primary_destination, 2813165220Srrs SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 2814163953Srrs sctp_send_initiate(inp, stcb); 2815163953Srrs } else { 2816163953Srrs /* 2817163953Srrs * already expired or did not use delayed 2818163953Srrs * connectx 2819163953Srrs */ 2820163953Srrs error = EALREADY; 2821163953Srrs } 2822163953Srrs SCTP_TCB_UNLOCK(stcb); 2823163953Srrs } 2824163953Srrs break; 2825163953Srrs case SCTP_MAXBURST: 2826163953Srrs { 2827163953Srrs uint8_t *burst; 2828163953Srrs 2829166675Srrs SCTP_CHECK_AND_CAST(burst, optval, uint8_t, optsize); 2830166675Srrs 2831163953Srrs SCTP_INP_WLOCK(inp); 2832163953Srrs if (*burst) { 2833163953Srrs inp->sctp_ep.max_burst = *burst; 2834163953Srrs } 2835163953Srrs SCTP_INP_WUNLOCK(inp); 2836163953Srrs } 2837163953Srrs break; 2838163953Srrs case SCTP_MAXSEG: 2839163953Srrs { 2840167598Srrs struct sctp_assoc_value *av; 2841163953Srrs int ovh; 2842163953Srrs 2843167598Srrs SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 2844167598Srrs SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2845166675Srrs 2846167598Srrs if (stcb) { 2847167598Srrs error = EINVAL; 2848167598Srrs SCTP_TCB_UNLOCK(stcb); 2849163953Srrs } else { 2850167598Srrs SCTP_INP_WLOCK(inp); 2851167598Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2852167598Srrs ovh = SCTP_MED_OVERHEAD; 2853167598Srrs } else { 2854167598Srrs ovh = SCTP_MED_V4_OVERHEAD; 2855167598Srrs } 2856167598Srrs /* 2857167598Srrs * FIXME MT: I think this is not in tune 2858167598Srrs * with the API ID 2859167598Srrs */ 2860167598Srrs if (av->assoc_value) { 2861167598Srrs inp->sctp_frag_point = (av->assoc_value + ovh); 2862167598Srrs } else { 2863167598Srrs error = EINVAL; 2864167598Srrs } 2865167598Srrs SCTP_INP_WUNLOCK(inp); 2866163953Srrs } 2867163953Srrs } 2868163953Srrs break; 2869163953Srrs case SCTP_EVENTS: 2870163953Srrs { 2871163953Srrs struct sctp_event_subscribe *events; 2872163953Srrs 2873166675Srrs SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 2874166675Srrs 2875163953Srrs SCTP_INP_WLOCK(inp); 2876163953Srrs if (events->sctp_data_io_event) { 2877163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 2878163953Srrs } else { 2879163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 2880163953Srrs } 2881163953Srrs 2882163953Srrs if (events->sctp_association_event) { 2883163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 2884163953Srrs } else { 2885163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 2886163953Srrs } 2887163953Srrs 2888163953Srrs if (events->sctp_address_event) { 2889163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 2890163953Srrs } else { 2891163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 2892163953Srrs } 2893163953Srrs 2894163953Srrs if (events->sctp_send_failure_event) { 2895163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 2896163953Srrs } else { 2897163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 2898163953Srrs } 2899163953Srrs 2900163953Srrs if (events->sctp_peer_error_event) { 2901163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 2902163953Srrs } else { 2903163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 2904163953Srrs } 2905163953Srrs 2906163953Srrs if (events->sctp_shutdown_event) { 2907163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 2908163953Srrs } else { 2909163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 2910163953Srrs } 2911163953Srrs 2912163953Srrs if (events->sctp_partial_delivery_event) { 2913163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 2914163953Srrs } else { 2915163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 2916163953Srrs } 2917163953Srrs 2918163953Srrs if (events->sctp_adaptation_layer_event) { 2919163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 2920163953Srrs } else { 2921163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 2922163953Srrs } 2923163953Srrs 2924163953Srrs if (events->sctp_authentication_event) { 2925163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 2926163953Srrs } else { 2927163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 2928163953Srrs } 2929163953Srrs 2930163953Srrs if (events->sctp_stream_reset_events) { 2931163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 2932163953Srrs } else { 2933163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 2934163953Srrs } 2935163953Srrs SCTP_INP_WUNLOCK(inp); 2936163953Srrs } 2937163953Srrs break; 2938163953Srrs 2939163953Srrs case SCTP_ADAPTATION_LAYER: 2940163953Srrs { 2941163953Srrs struct sctp_setadaptation *adap_bits; 2942163953Srrs 2943166675Srrs SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 2944163953Srrs SCTP_INP_WLOCK(inp); 2945163953Srrs inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 2946163953Srrs SCTP_INP_WUNLOCK(inp); 2947163953Srrs } 2948163953Srrs break; 2949166675Srrs#ifdef SCTP_DEBUG 2950163953Srrs case SCTP_SET_INITIAL_DBG_SEQ: 2951163953Srrs { 2952163953Srrs uint32_t *vvv; 2953163953Srrs 2954166675Srrs SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 2955163953Srrs SCTP_INP_WLOCK(inp); 2956163953Srrs inp->sctp_ep.initial_sequence_debug = *vvv; 2957163953Srrs SCTP_INP_WUNLOCK(inp); 2958163953Srrs } 2959163953Srrs break; 2960166675Srrs#endif 2961163953Srrs case SCTP_DEFAULT_SEND_PARAM: 2962163953Srrs { 2963163953Srrs struct sctp_sndrcvinfo *s_info; 2964163953Srrs 2965166675Srrs SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 2966166675Srrs SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2967163953Srrs 2968166675Srrs if (stcb) { 2969166675Srrs if (s_info->sinfo_stream <= stcb->asoc.streamoutcnt) { 2970166675Srrs stcb->asoc.def_send = *s_info; 2971163953Srrs } else { 2972166675Srrs error = EINVAL; 2973163953Srrs } 2974166675Srrs SCTP_TCB_UNLOCK(stcb); 2975166675Srrs } else { 2976166675Srrs SCTP_INP_WLOCK(inp); 2977163953Srrs inp->def_send = *s_info; 2978166675Srrs SCTP_INP_WUNLOCK(inp); 2979163953Srrs } 2980163953Srrs } 2981163953Srrs break; 2982163953Srrs case SCTP_PEER_ADDR_PARAMS: 2983163953Srrs /* Applys to the specific association */ 2984163953Srrs { 2985163953Srrs struct sctp_paddrparams *paddrp; 2986163953Srrs struct sctp_nets *net; 2987163953Srrs 2988166675Srrs SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 2989166675Srrs SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2990163953Srrs net = NULL; 2991166675Srrs if (stcb) { 2992166675Srrs net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 2993166675Srrs } else { 2994166675Srrs /* 2995166675Srrs * We increment here since 2996166675Srrs * sctp_findassociation_ep_addr() wil do a 2997166675Srrs * decrement if it finds the stcb as long as 2998166675Srrs * the locked tcb (last argument) is NOT a 2999166675Srrs * TCB.. aka NULL. 3000166675Srrs */ 3001166675Srrs SCTP_INP_INCR_REF(inp); 3002166675Srrs stcb = sctp_findassociation_ep_addr(&inp, 3003166675Srrs (struct sockaddr *)&paddrp->spp_address, 3004166675Srrs &net, NULL, NULL); 3005163953Srrs if (stcb == NULL) { 3006166675Srrs SCTP_INP_DECR_REF(inp); 3007163953Srrs } 3008163953Srrs } 3009166675Srrs 3010166675Srrs 3011163953Srrs if (stcb) { 3012163953Srrs /************************TCB SPECIFIC SET ******************/ 3013163953Srrs /* 3014163953Srrs * do we change the timer for HB, we run 3015163953Srrs * only one? 3016163953Srrs */ 3017163953Srrs if (paddrp->spp_hbinterval) 3018163953Srrs stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 3019163953Srrs else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 3020163953Srrs stcb->asoc.heart_beat_delay = 0; 3021163953Srrs 3022163953Srrs /* network sets ? */ 3023163953Srrs if (net) { 3024163953Srrs /************************NET SPECIFIC SET ******************/ 3025163953Srrs if (paddrp->spp_flags & SPP_HB_DEMAND) { 3026163953Srrs /* on demand HB */ 3027163953Srrs sctp_send_hb(stcb, 1, net); 3028163953Srrs } 3029163953Srrs if (paddrp->spp_flags & SPP_HB_DISABLE) { 3030163953Srrs net->dest_state |= SCTP_ADDR_NOHB; 3031163953Srrs } 3032163953Srrs if (paddrp->spp_flags & SPP_HB_ENABLE) { 3033163953Srrs net->dest_state &= ~SCTP_ADDR_NOHB; 3034163953Srrs } 3035163953Srrs if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 3036165647Srrs if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 3037165220Srrs sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 3038165220Srrs SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 3039163953Srrs } 3040163953Srrs if (paddrp->spp_pathmtu > SCTP_DEFAULT_MINSEGMENT) { 3041163953Srrs net->mtu = paddrp->spp_pathmtu; 3042163953Srrs if (net->mtu < stcb->asoc.smallest_mtu) 3043167695Srrs sctp_pathmtu_adjustment(inp, stcb, net, net->mtu); 3044163953Srrs } 3045163953Srrs } 3046163953Srrs if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 3047165647Srrs if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 3048163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 3049163953Srrs } 3050163953Srrs } 3051163953Srrs if (paddrp->spp_pathmaxrxt) 3052163953Srrs net->failure_threshold = paddrp->spp_pathmaxrxt; 3053167598Srrs#ifdef INET 3054163953Srrs if (paddrp->spp_flags & SPP_IPV4_TOS) { 3055163953Srrs if (net->ro._l_addr.sin.sin_family == AF_INET) { 3056163953Srrs net->tos_flowlabel = paddrp->spp_ipv4_tos & 0x000000fc; 3057163953Srrs } 3058163953Srrs } 3059163953Srrs#endif 3060167598Srrs#ifdef INET6 3061163953Srrs if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 3062163953Srrs if (net->ro._l_addr.sin6.sin6_family == AF_INET6) { 3063163953Srrs net->tos_flowlabel = paddrp->spp_ipv6_flowlabel; 3064163953Srrs } 3065163953Srrs } 3066163953Srrs#endif 3067163953Srrs } else { 3068163953Srrs /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 3069163953Srrs if (paddrp->spp_pathmaxrxt) 3070163953Srrs stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 3071163953Srrs 3072163953Srrs if (paddrp->spp_flags & SPP_HB_ENABLE) { 3073163953Srrs /* Turn back on the timer */ 3074163953Srrs stcb->asoc.hb_is_disabled = 0; 3075163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 3076163953Srrs } 3077163953Srrs if (paddrp->spp_flags & SPP_HB_DISABLE) { 3078163953Srrs int cnt_of_unconf = 0; 3079163953Srrs struct sctp_nets *lnet; 3080163953Srrs 3081163953Srrs stcb->asoc.hb_is_disabled = 1; 3082163953Srrs TAILQ_FOREACH(lnet, &stcb->asoc.nets, sctp_next) { 3083163953Srrs if (lnet->dest_state & SCTP_ADDR_UNCONFIRMED) { 3084163953Srrs cnt_of_unconf++; 3085163953Srrs } 3086163953Srrs } 3087163953Srrs /* 3088163953Srrs * stop the timer ONLY if we 3089163953Srrs * have no unconfirmed 3090163953Srrs * addresses 3091163953Srrs */ 3092163953Srrs if (cnt_of_unconf == 0) { 3093165220Srrs sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 3094163953Srrs } 3095163953Srrs } 3096163953Srrs if (paddrp->spp_flags & SPP_HB_ENABLE) { 3097163953Srrs /* start up the timer. */ 3098163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 3099163953Srrs } 3100167598Srrs#ifdef INET 3101163953Srrs if (paddrp->spp_flags & SPP_IPV4_TOS) 3102163953Srrs stcb->asoc.default_tos = paddrp->spp_ipv4_tos & 0x000000fc; 3103163953Srrs#endif 3104167598Srrs#ifdef INET6 3105163953Srrs if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) 3106163953Srrs stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel; 3107163953Srrs#endif 3108163953Srrs 3109163953Srrs } 3110163953Srrs SCTP_TCB_UNLOCK(stcb); 3111163953Srrs } else { 3112163953Srrs /************************NO TCB, SET TO default stuff ******************/ 3113163953Srrs SCTP_INP_WLOCK(inp); 3114163953Srrs /* 3115163953Srrs * For the TOS/FLOWLABEL stuff you set it 3116163953Srrs * with the options on the socket 3117163953Srrs */ 3118163953Srrs if (paddrp->spp_pathmaxrxt) { 3119163953Srrs inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 3120163953Srrs } 3121163953Srrs if (paddrp->spp_flags & SPP_HB_ENABLE) { 3122163953Srrs inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 3123163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 3124163953Srrs } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 3125163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 3126163953Srrs } 3127163953Srrs SCTP_INP_WUNLOCK(inp); 3128163953Srrs } 3129163953Srrs } 3130163953Srrs break; 3131163953Srrs case SCTP_RTOINFO: 3132163953Srrs { 3133163953Srrs struct sctp_rtoinfo *srto; 3134163953Srrs 3135166675Srrs SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 3136166675Srrs SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 3137166675Srrs 3138166675Srrs if (stcb) { 3139166675Srrs /* Set in ms we hope :-) */ 3140167598Srrs if (srto->srto_initial) 3141166675Srrs stcb->asoc.initial_rto = srto->srto_initial; 3142167598Srrs if (srto->srto_max) 3143166675Srrs stcb->asoc.maxrto = srto->srto_max; 3144167598Srrs if (srto->srto_min) 3145166675Srrs stcb->asoc.minrto = srto->srto_min; 3146166675Srrs SCTP_TCB_UNLOCK(stcb); 3147166675Srrs } else { 3148163953Srrs SCTP_INP_WLOCK(inp); 3149163953Srrs /* 3150163953Srrs * If we have a null asoc, its default for 3151163953Srrs * the endpoint 3152163953Srrs */ 3153167598Srrs if (srto->srto_initial) 3154163953Srrs inp->sctp_ep.initial_rto = srto->srto_initial; 3155167598Srrs if (srto->srto_max) 3156163953Srrs inp->sctp_ep.sctp_maxrto = srto->srto_max; 3157167598Srrs if (srto->srto_min) 3158163953Srrs inp->sctp_ep.sctp_minrto = srto->srto_min; 3159163953Srrs SCTP_INP_WUNLOCK(inp); 3160163953Srrs } 3161163953Srrs } 3162163953Srrs break; 3163163953Srrs case SCTP_ASSOCINFO: 3164163953Srrs { 3165163953Srrs struct sctp_assocparams *sasoc; 3166163953Srrs 3167166675Srrs SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 3168166675Srrs SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 3169166675Srrs 3170163953Srrs if (stcb) { 3171163953Srrs if (sasoc->sasoc_asocmaxrxt) 3172163953Srrs stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 3173163953Srrs sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 3174163953Srrs sasoc->sasoc_peer_rwnd = 0; 3175163953Srrs sasoc->sasoc_local_rwnd = 0; 3176163953Srrs if (stcb->asoc.cookie_life) 3177163953Srrs stcb->asoc.cookie_life = sasoc->sasoc_cookie_life; 3178167598Srrs stcb->asoc.delayed_ack = sasoc->sasoc_sack_delay; 3179167598Srrs if (sasoc->sasoc_sack_freq) { 3180167598Srrs stcb->asoc.sack_freq = sasoc->sasoc_sack_freq; 3181167598Srrs } 3182163953Srrs SCTP_TCB_UNLOCK(stcb); 3183163953Srrs } else { 3184163953Srrs SCTP_INP_WLOCK(inp); 3185163953Srrs if (sasoc->sasoc_asocmaxrxt) 3186163953Srrs inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 3187163953Srrs sasoc->sasoc_number_peer_destinations = 0; 3188163953Srrs sasoc->sasoc_peer_rwnd = 0; 3189163953Srrs sasoc->sasoc_local_rwnd = 0; 3190163953Srrs if (sasoc->sasoc_cookie_life) 3191163953Srrs inp->sctp_ep.def_cookie_life = sasoc->sasoc_cookie_life; 3192167598Srrs inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sasoc->sasoc_sack_delay); 3193167598Srrs if (sasoc->sasoc_sack_freq) { 3194167598Srrs inp->sctp_ep.sctp_sack_freq = sasoc->sasoc_sack_freq; 3195167598Srrs } 3196163953Srrs SCTP_INP_WUNLOCK(inp); 3197163953Srrs } 3198163953Srrs } 3199163953Srrs break; 3200163953Srrs case SCTP_INITMSG: 3201163953Srrs { 3202163953Srrs struct sctp_initmsg *sinit; 3203163953Srrs 3204166675Srrs SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 3205163953Srrs SCTP_INP_WLOCK(inp); 3206163953Srrs if (sinit->sinit_num_ostreams) 3207163953Srrs inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 3208163953Srrs 3209163953Srrs if (sinit->sinit_max_instreams) 3210163953Srrs inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 3211163953Srrs 3212163953Srrs if (sinit->sinit_max_attempts) 3213163953Srrs inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 3214163953Srrs 3215167598Srrs if (sinit->sinit_max_init_timeo) 3216163953Srrs inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 3217163953Srrs SCTP_INP_WUNLOCK(inp); 3218163953Srrs } 3219163953Srrs break; 3220163953Srrs case SCTP_PRIMARY_ADDR: 3221163953Srrs { 3222163953Srrs struct sctp_setprim *spa; 3223163953Srrs struct sctp_nets *net, *lnet; 3224163953Srrs 3225166675Srrs SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 3226166675Srrs SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 3227163953Srrs 3228166675Srrs net = NULL; 3229166675Srrs if (stcb) { 3230166675Srrs net = sctp_findnet(stcb, (struct sockaddr *)&spa->ssp_addr); 3231166675Srrs } else { 3232166675Srrs /* 3233166675Srrs * We increment here since 3234166675Srrs * sctp_findassociation_ep_addr() wil do a 3235166675Srrs * decrement if it finds the stcb as long as 3236166675Srrs * the locked tcb (last argument) is NOT a 3237166675Srrs * TCB.. aka NULL. 3238166675Srrs */ 3239163953Srrs SCTP_INP_INCR_REF(inp); 3240163953Srrs stcb = sctp_findassociation_ep_addr(&inp, 3241163953Srrs (struct sockaddr *)&spa->ssp_addr, 3242163953Srrs &net, NULL, NULL); 3243163953Srrs if (stcb == NULL) { 3244163953Srrs SCTP_INP_DECR_REF(inp); 3245163953Srrs } 3246163953Srrs } 3247166675Srrs 3248166675Srrs if ((stcb) && (net)) { 3249166675Srrs if ((net != stcb->asoc.primary_destination) && 3250166675Srrs (!(net->dest_state & SCTP_ADDR_UNCONFIRMED))) { 3251166675Srrs /* Ok we need to set it */ 3252166675Srrs lnet = stcb->asoc.primary_destination; 3253166675Srrs if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 3254166675Srrs if (net->dest_state & SCTP_ADDR_SWITCH_PRIMARY) { 3255166675Srrs net->dest_state |= SCTP_ADDR_DOUBLE_SWITCH; 3256166675Srrs } 3257166675Srrs net->dest_state |= SCTP_ADDR_SWITCH_PRIMARY; 3258163953Srrs } 3259163953Srrs } 3260166675Srrs } else { 3261166675Srrs error = EINVAL; 3262163953Srrs } 3263166675Srrs if (stcb) { 3264166675Srrs SCTP_TCB_UNLOCK(stcb); 3265166675Srrs } 3266163953Srrs } 3267163953Srrs break; 3268167598Srrs case SCTP_SET_DYNAMIC_PRIMARY: 3269167598Srrs { 3270167598Srrs union sctp_sockstore *ss; 3271163953Srrs 3272167598Srrs error = priv_check_cred(curthread->td_ucred, 3273167598Srrs PRIV_NETINET_RESERVEDPORT, 3274167598Srrs SUSER_ALLOWJAIL); 3275167598Srrs if (error) 3276167598Srrs break; 3277167598Srrs 3278167598Srrs SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 3279167598Srrs /* SUPER USER CHECK? */ 3280167598Srrs error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 3281167598Srrs } 3282167598Srrs break; 3283163953Srrs case SCTP_SET_PEER_PRIMARY_ADDR: 3284163953Srrs { 3285163953Srrs struct sctp_setpeerprim *sspp; 3286163953Srrs 3287166675Srrs SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 3288166675Srrs SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 3289163953Srrs 3290166675Srrs if (stcb) { 3291166675Srrs if (sctp_set_primary_ip_address_sa(stcb, (struct sockaddr *)&sspp->sspp_addr) != 0) { 3292166675Srrs error = EINVAL; 3293166675Srrs } 3294166675Srrs } else { 3295163953Srrs error = EINVAL; 3296163953Srrs } 3297163953Srrs SCTP_TCB_UNLOCK(stcb); 3298163953Srrs } 3299163953Srrs break; 3300163953Srrs case SCTP_BINDX_ADD_ADDR: 3301163953Srrs { 3302163953Srrs struct sctp_getaddresses *addrs; 3303163953Srrs struct sockaddr *addr_touse; 3304163953Srrs struct sockaddr_in sin; 3305163953Srrs 3306166675Srrs SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 3307166675Srrs 3308163953Srrs /* see if we're bound all already! */ 3309163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3310163953Srrs error = EINVAL; 3311163953Srrs break; 3312163953Srrs } 3313167598Srrs /* Is the VRF one we have */ 3314163953Srrs addr_touse = addrs->addr; 3315167695Srrs#if defined(INET6) 3316163953Srrs if (addrs->addr->sa_family == AF_INET6) { 3317163953Srrs struct sockaddr_in6 *sin6; 3318163953Srrs 3319163953Srrs sin6 = (struct sockaddr_in6 *)addr_touse; 3320163953Srrs if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3321163953Srrs in6_sin6_2_sin(&sin, sin6); 3322163953Srrs addr_touse = (struct sockaddr *)&sin; 3323163953Srrs } 3324163953Srrs } 3325167695Srrs#endif 3326163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 3327163953Srrs if (p == NULL) { 3328163953Srrs /* Can't get proc for Net/Open BSD */ 3329163953Srrs error = EINVAL; 3330163953Srrs break; 3331163953Srrs } 3332163953Srrs error = sctp_inpcb_bind(so, addr_touse, p); 3333163953Srrs break; 3334163953Srrs } 3335163953Srrs /* 3336163953Srrs * No locks required here since bind and mgmt_ep_sa 3337163953Srrs * all do their own locking. If we do something for 3338163953Srrs * the FIX: below we may need to lock in that case. 3339163953Srrs */ 3340163953Srrs if (addrs->sget_assoc_id == 0) { 3341163953Srrs /* add the address */ 3342163953Srrs struct sctp_inpcb *lep; 3343163953Srrs 3344163953Srrs ((struct sockaddr_in *)addr_touse)->sin_port = inp->sctp_lport; 3345167598Srrs lep = sctp_pcb_findep(addr_touse, 1, 0, vrf_id); 3346163953Srrs if (lep != NULL) { 3347163953Srrs /* 3348163953Srrs * We must decrement the refcount 3349163953Srrs * since we have the ep already and 3350163953Srrs * are binding. No remove going on 3351163953Srrs * here. 3352163953Srrs */ 3353163953Srrs SCTP_INP_DECR_REF(inp); 3354163953Srrs } 3355163953Srrs if (lep == inp) { 3356163953Srrs /* already bound to it.. ok */ 3357163953Srrs break; 3358163953Srrs } else if (lep == NULL) { 3359163953Srrs ((struct sockaddr_in *)addr_touse)->sin_port = 0; 3360163953Srrs error = sctp_addr_mgmt_ep_sa(inp, addr_touse, 3361167598Srrs SCTP_ADD_IP_ADDRESS, vrf_id); 3362163953Srrs } else { 3363163953Srrs error = EADDRNOTAVAIL; 3364163953Srrs } 3365163953Srrs if (error) 3366163953Srrs break; 3367163953Srrs 3368163953Srrs } else { 3369163953Srrs /* 3370163953Srrs * FIX: decide whether we allow assoc based 3371163953Srrs * bindx 3372163953Srrs */ 3373163953Srrs } 3374163953Srrs } 3375163953Srrs break; 3376163953Srrs case SCTP_BINDX_REM_ADDR: 3377163953Srrs { 3378163953Srrs struct sctp_getaddresses *addrs; 3379163953Srrs struct sockaddr *addr_touse; 3380163953Srrs struct sockaddr_in sin; 3381163953Srrs 3382166675Srrs SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 3383163953Srrs /* see if we're bound all already! */ 3384163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3385163953Srrs error = EINVAL; 3386163953Srrs break; 3387163953Srrs } 3388163953Srrs addr_touse = addrs->addr; 3389167695Srrs#if defined(INET6) 3390163953Srrs if (addrs->addr->sa_family == AF_INET6) { 3391163953Srrs struct sockaddr_in6 *sin6; 3392163953Srrs 3393163953Srrs sin6 = (struct sockaddr_in6 *)addr_touse; 3394163953Srrs if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3395163953Srrs in6_sin6_2_sin(&sin, sin6); 3396163953Srrs addr_touse = (struct sockaddr *)&sin; 3397163953Srrs } 3398163953Srrs } 3399167695Srrs#endif 3400163953Srrs /* 3401163953Srrs * No lock required mgmt_ep_sa does its own locking. 3402163953Srrs * If the FIX: below is ever changed we may need to 3403163953Srrs * lock before calling association level binding. 3404163953Srrs */ 3405163953Srrs if (addrs->sget_assoc_id == 0) { 3406163953Srrs /* delete the address */ 3407163953Srrs sctp_addr_mgmt_ep_sa(inp, addr_touse, 3408167598Srrs SCTP_DEL_IP_ADDRESS, vrf_id); 3409163953Srrs } else { 3410163953Srrs /* 3411163953Srrs * FIX: decide whether we allow assoc based 3412163953Srrs * bindx 3413163953Srrs */ 3414163953Srrs } 3415163953Srrs } 3416163953Srrs break; 3417163953Srrs default: 3418163953Srrs error = ENOPROTOOPT; 3419163953Srrs break; 3420163953Srrs } /* end switch (opt) */ 3421163953Srrs return (error); 3422163953Srrs} 3423163953Srrs 3424163953Srrs 3425163953Srrsint 3426163953Srrssctp_ctloutput(struct socket *so, struct sockopt *sopt) 3427163953Srrs{ 3428166675Srrs void *optval = NULL; 3429166675Srrs size_t optsize = 0; 3430163953Srrs struct sctp_inpcb *inp; 3431166675Srrs void *p; 3432166675Srrs int error = 0; 3433163953Srrs 3434163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 3435163953Srrs if (inp == 0) { 3436163953Srrs /* I made the same as TCP since we are not setup? */ 3437163953Srrs return (ECONNRESET); 3438163953Srrs } 3439163953Srrs if (sopt->sopt_level != IPPROTO_SCTP) { 3440163953Srrs /* wrong proto level... send back up to IP */ 3441163953Srrs#ifdef INET6 3442163953Srrs if (INP_CHECK_SOCKAF(so, AF_INET6)) 3443163953Srrs error = ip6_ctloutput(so, sopt); 3444163953Srrs else 3445163953Srrs#endif /* INET6 */ 3446163953Srrs error = ip_ctloutput(so, sopt); 3447163953Srrs return (error); 3448163953Srrs } 3449166675Srrs optsize = sopt->sopt_valsize; 3450166675Srrs if (optsize) { 3451166675Srrs SCTP_MALLOC(optval, void *, optsize, "SCTPSockOpt"); 3452166675Srrs if (optval == NULL) { 3453163953Srrs return (ENOBUFS); 3454163953Srrs } 3455166675Srrs error = sooptcopyin(sopt, optval, optsize, optsize); 3456163953Srrs if (error) { 3457166675Srrs SCTP_FREE(optval); 3458163953Srrs goto out; 3459163953Srrs } 3460163953Srrs } 3461166675Srrs p = (void *)sopt->sopt_td; 3462163953Srrs if (sopt->sopt_dir == SOPT_SET) { 3463166675Srrs error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 3464163953Srrs } else if (sopt->sopt_dir == SOPT_GET) { 3465166675Srrs error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 3466163953Srrs } else { 3467163953Srrs error = EINVAL; 3468163953Srrs } 3469166675Srrs if ((error == 0) && (optval != NULL)) { 3470166675Srrs error = sooptcopyout(sopt, optval, optsize); 3471166675Srrs SCTP_FREE(optval); 3472166675Srrs } else if (optval != NULL) { 3473166675Srrs SCTP_FREE(optval); 3474163953Srrs } 3475163953Srrsout: 3476163953Srrs return (error); 3477163953Srrs} 3478163953Srrs 3479163953Srrs 3480163953Srrsstatic int 3481163953Srrssctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 3482163953Srrs{ 3483163953Srrs int error = 0; 3484163953Srrs int create_lock_on = 0; 3485167598Srrs uint32_t vrf_id; 3486163953Srrs struct sctp_inpcb *inp; 3487163953Srrs struct sctp_tcb *stcb = NULL; 3488163953Srrs 3489163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 3490163953Srrs if (inp == 0) { 3491163953Srrs /* I made the same as TCP since we are not setup? */ 3492163953Srrs return (ECONNRESET); 3493163953Srrs } 3494163953Srrs SCTP_ASOC_CREATE_LOCK(inp); 3495163953Srrs create_lock_on = 1; 3496163953Srrs 3497163953Srrs SCTP_INP_INCR_REF(inp); 3498163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 3499163953Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 3500163953Srrs /* Should I really unlock ? */ 3501163953Srrs error = EFAULT; 3502163953Srrs goto out_now; 3503163953Srrs } 3504163953Srrs#ifdef INET6 3505163953Srrs if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 3506163953Srrs (addr->sa_family == AF_INET6)) { 3507163953Srrs error = EINVAL; 3508163953Srrs goto out_now; 3509163953Srrs } 3510163953Srrs#endif /* INET6 */ 3511163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 3512163953Srrs SCTP_PCB_FLAGS_UNBOUND) { 3513163953Srrs /* Bind a ephemeral port */ 3514163953Srrs error = sctp_inpcb_bind(so, NULL, p); 3515163953Srrs if (error) { 3516163953Srrs goto out_now; 3517163953Srrs } 3518163953Srrs } 3519163953Srrs /* Now do we connect? */ 3520163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) { 3521163953Srrs error = EINVAL; 3522163953Srrs goto out_now; 3523163953Srrs } 3524163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 3525163953Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 3526163953Srrs /* We are already connected AND the TCP model */ 3527163953Srrs error = EADDRINUSE; 3528163953Srrs goto out_now; 3529163953Srrs } 3530163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 3531163953Srrs SCTP_INP_RLOCK(inp); 3532163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 3533163953Srrs if (stcb) 3534163953Srrs SCTP_TCB_UNLOCK(stcb); 3535163953Srrs SCTP_INP_RUNLOCK(inp); 3536163953Srrs } else { 3537163953Srrs /* 3538166675Srrs * We increment here since sctp_findassociation_ep_addr() 3539166675Srrs * wil do a decrement if it finds the stcb as long as the 3540166675Srrs * locked tcb (last argument) is NOT a TCB.. aka NULL. 3541163953Srrs */ 3542163953Srrs SCTP_INP_INCR_REF(inp); 3543163953Srrs stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 3544163953Srrs if (stcb == NULL) { 3545163953Srrs SCTP_INP_DECR_REF(inp); 3546163953Srrs } 3547163953Srrs } 3548163953Srrs if (stcb != NULL) { 3549163953Srrs /* Already have or am bring up an association */ 3550163953Srrs error = EALREADY; 3551163953Srrs goto out_now; 3552163953Srrs } 3553167598Srrs vrf_id = SCTP_DEFAULT_VRFID; 3554163953Srrs /* We are GOOD to go */ 3555167598Srrs stcb = sctp_aloc_assoc(inp, addr, 1, &error, 0, vrf_id); 3556163953Srrs if (stcb == NULL) { 3557163953Srrs /* Gak! no memory */ 3558167598Srrs goto out_now; 3559163953Srrs } 3560163953Srrs if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 3561163953Srrs stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 3562163953Srrs /* Set the connected flag so we can queue data */ 3563163953Srrs soisconnecting(so); 3564163953Srrs } 3565163953Srrs stcb->asoc.state = SCTP_STATE_COOKIE_WAIT; 3566163953Srrs SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 3567163953Srrs 3568163953Srrs /* initialize authentication parameters for the assoc */ 3569163953Srrs sctp_initialize_auth_params(inp, stcb); 3570163953Srrs 3571163953Srrs sctp_send_initiate(inp, stcb); 3572163953Srrsout_now: 3573163953Srrs if (create_lock_on) 3574163953Srrs SCTP_ASOC_CREATE_UNLOCK(inp); 3575163953Srrs 3576163953Srrs if (stcb) 3577163953Srrs SCTP_TCB_UNLOCK(stcb); 3578163953Srrs SCTP_INP_DECR_REF(inp); 3579163953Srrs return error; 3580163953Srrs} 3581163953Srrs 3582163953Srrsint 3583163953Srrssctp_listen(struct socket *so, int backlog, struct thread *p) 3584163953Srrs{ 3585163953Srrs /* 3586163953Srrs * Note this module depends on the protocol processing being called 3587163953Srrs * AFTER any socket level flags and backlog are applied to the 3588163953Srrs * socket. The traditional way that the socket flags are applied is 3589163953Srrs * AFTER protocol processing. We have made a change to the 3590163953Srrs * sys/kern/uipc_socket.c module to reverse this but this MUST be in 3591163953Srrs * place if the socket API for SCTP is to work properly. 3592163953Srrs */ 3593163953Srrs 3594163953Srrs int error = 0; 3595163953Srrs struct sctp_inpcb *inp; 3596163953Srrs 3597163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 3598163953Srrs if (inp == 0) { 3599163953Srrs /* I made the same as TCP since we are not setup? */ 3600163953Srrs return (ECONNRESET); 3601163953Srrs } 3602163953Srrs SCTP_INP_RLOCK(inp); 3603163953Srrs#ifdef SCTP_LOCK_LOGGING 3604163953Srrs sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 3605163953Srrs#endif 3606163953Srrs SOCK_LOCK(so); 3607163953Srrs error = solisten_proto_check(so); 3608163953Srrs if (error) { 3609163953Srrs SOCK_UNLOCK(so); 3610163953Srrs return (error); 3611163953Srrs } 3612163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 3613163953Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 3614163953Srrs /* We are already connected AND the TCP model */ 3615163953Srrs SCTP_INP_RUNLOCK(inp); 3616163953Srrs SOCK_UNLOCK(so); 3617163953Srrs return (EADDRINUSE); 3618163953Srrs } 3619163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 3620163953Srrs /* We must do a bind. */ 3621166675Srrs SOCK_UNLOCK(so); 3622163953Srrs SCTP_INP_RUNLOCK(inp); 3623163953Srrs if ((error = sctp_inpcb_bind(so, NULL, p))) { 3624163953Srrs /* bind error, probably perm */ 3625163953Srrs return (error); 3626163953Srrs } 3627166675Srrs SOCK_LOCK(so); 3628163953Srrs } else { 3629163953Srrs SCTP_INP_RUNLOCK(inp); 3630163953Srrs } 3631163953Srrs /* It appears for 7.0 and on, we must always call this. */ 3632163953Srrs solisten_proto(so, backlog); 3633163953Srrs 3634163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 3635163953Srrs /* remove the ACCEPTCONN flag for one-to-many sockets */ 3636163953Srrs so->so_options &= ~SO_ACCEPTCONN; 3637163953Srrs } 3638163953Srrs if (backlog == 0) { 3639163953Srrs /* turning off listen */ 3640163953Srrs so->so_options &= ~SO_ACCEPTCONN; 3641163953Srrs } 3642163953Srrs SOCK_UNLOCK(so); 3643163953Srrs return (error); 3644163953Srrs} 3645163953Srrs 3646163953Srrsstatic int sctp_defered_wakeup_cnt = 0; 3647163953Srrs 3648163953Srrsint 3649163953Srrssctp_accept(struct socket *so, struct sockaddr **addr) 3650163953Srrs{ 3651163953Srrs struct sctp_tcb *stcb; 3652163953Srrs struct sctp_inpcb *inp; 3653163953Srrs union sctp_sockstore store; 3654163953Srrs 3655163953Srrs int error; 3656163953Srrs 3657163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 3658163953Srrs 3659163953Srrs if (inp == 0) { 3660163953Srrs return (ECONNRESET); 3661163953Srrs } 3662163953Srrs SCTP_INP_RLOCK(inp); 3663163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 3664163953Srrs return (ENOTSUP); 3665163953Srrs } 3666163953Srrs if (so->so_state & SS_ISDISCONNECTED) { 3667163953Srrs SCTP_INP_RUNLOCK(inp); 3668163953Srrs return (ECONNABORTED); 3669163953Srrs } 3670163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 3671163953Srrs if (stcb == NULL) { 3672163953Srrs SCTP_INP_RUNLOCK(inp); 3673163953Srrs return (ECONNRESET); 3674163953Srrs } 3675163953Srrs SCTP_TCB_LOCK(stcb); 3676163953Srrs SCTP_INP_RUNLOCK(inp); 3677163953Srrs store = stcb->asoc.primary_destination->ro._l_addr; 3678163953Srrs SCTP_TCB_UNLOCK(stcb); 3679163953Srrs if (store.sa.sa_family == AF_INET) { 3680163953Srrs struct sockaddr_in *sin; 3681163953Srrs 3682163953Srrs SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 3683163953Srrs sin->sin_family = AF_INET; 3684163953Srrs sin->sin_len = sizeof(*sin); 3685163953Srrs sin->sin_port = ((struct sockaddr_in *)&store)->sin_port; 3686163953Srrs sin->sin_addr = ((struct sockaddr_in *)&store)->sin_addr; 3687163953Srrs *addr = (struct sockaddr *)sin; 3688163953Srrs } else { 3689163953Srrs struct sockaddr_in6 *sin6; 3690163953Srrs 3691163953Srrs SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 3692163953Srrs sin6->sin6_family = AF_INET6; 3693163953Srrs sin6->sin6_len = sizeof(*sin6); 3694163953Srrs sin6->sin6_port = ((struct sockaddr_in6 *)&store)->sin6_port; 3695163953Srrs 3696163953Srrs sin6->sin6_addr = ((struct sockaddr_in6 *)&store)->sin6_addr; 3697164085Srrs if ((error = sa6_recoverscope(sin6)) != 0) { 3698164085Srrs SCTP_FREE_SONAME(sin6); 3699163953Srrs return (error); 3700164085Srrs } 3701163953Srrs *addr = (struct sockaddr *)sin6; 3702163953Srrs } 3703163953Srrs /* Wake any delayed sleep action */ 3704163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 3705166086Srrs SCTP_INP_WLOCK(inp); 3706163953Srrs inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 3707163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 3708163953Srrs inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 3709166086Srrs SCTP_INP_WUNLOCK(inp); 3710163953Srrs SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 3711163953Srrs if (sowriteable(inp->sctp_socket)) { 3712163953Srrs sowwakeup_locked(inp->sctp_socket); 3713163953Srrs } else { 3714163953Srrs SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 3715163953Srrs } 3716166086Srrs SCTP_INP_WLOCK(inp); 3717163953Srrs } 3718163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 3719163953Srrs inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 3720166086Srrs SCTP_INP_WUNLOCK(inp); 3721163953Srrs SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 3722163953Srrs if (soreadable(inp->sctp_socket)) { 3723163953Srrs sctp_defered_wakeup_cnt++; 3724163953Srrs sorwakeup_locked(inp->sctp_socket); 3725163953Srrs } else { 3726163953Srrs SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 3727163953Srrs } 3728166086Srrs SCTP_INP_WLOCK(inp); 3729163953Srrs } 3730166086Srrs SCTP_INP_WUNLOCK(inp); 3731163953Srrs } 3732163953Srrs return (0); 3733163953Srrs} 3734163953Srrs 3735163953Srrsint 3736163953Srrssctp_ingetaddr(struct socket *so, struct sockaddr **addr) 3737163953Srrs{ 3738163953Srrs struct sockaddr_in *sin; 3739167598Srrs uint32_t vrf_id; 3740163953Srrs struct sctp_inpcb *inp; 3741167695Srrs struct sctp_ifa *sctp_ifa; 3742163953Srrs 3743163953Srrs /* 3744163953Srrs * Do the malloc first in case it blocks. 3745163953Srrs */ 3746163953Srrs SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 3747163953Srrs sin->sin_family = AF_INET; 3748163953Srrs sin->sin_len = sizeof(*sin); 3749163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 3750163953Srrs if (!inp) { 3751163953Srrs SCTP_FREE_SONAME(sin); 3752163953Srrs return ECONNRESET; 3753163953Srrs } 3754163953Srrs SCTP_INP_RLOCK(inp); 3755163953Srrs sin->sin_port = inp->sctp_lport; 3756163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3757163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 3758163953Srrs struct sctp_tcb *stcb; 3759163953Srrs struct sockaddr_in *sin_a; 3760163953Srrs struct sctp_nets *net; 3761163953Srrs int fnd; 3762163953Srrs 3763163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 3764163953Srrs if (stcb == NULL) { 3765163953Srrs goto notConn; 3766163953Srrs } 3767163953Srrs fnd = 0; 3768163953Srrs sin_a = NULL; 3769163953Srrs SCTP_TCB_LOCK(stcb); 3770163953Srrs TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3771163953Srrs sin_a = (struct sockaddr_in *)&net->ro._l_addr; 3772164085Srrs if (sin_a == NULL) 3773164085Srrs /* this will make coverity happy */ 3774164085Srrs continue; 3775164085Srrs 3776163953Srrs if (sin_a->sin_family == AF_INET) { 3777163953Srrs fnd = 1; 3778163953Srrs break; 3779163953Srrs } 3780163953Srrs } 3781163953Srrs if ((!fnd) || (sin_a == NULL)) { 3782163953Srrs /* punt */ 3783163953Srrs SCTP_TCB_UNLOCK(stcb); 3784163953Srrs goto notConn; 3785163953Srrs } 3786167598Srrs vrf_id = SCTP_DEFAULT_VRFID; 3787167598Srrs 3788167598Srrs sctp_ifa = sctp_source_address_selection(inp, 3789167598Srrs stcb, 3790167598Srrs (struct route *)&net->ro, 3791167598Srrs net, 0, vrf_id); 3792167598Srrs if (sctp_ifa) { 3793167598Srrs sin->sin_addr = sctp_ifa->address.sin.sin_addr; 3794167598Srrs sctp_free_ifa(sctp_ifa); 3795167598Srrs } 3796163953Srrs SCTP_TCB_UNLOCK(stcb); 3797163953Srrs } else { 3798163953Srrs /* For the bound all case you get back 0 */ 3799163953Srrs notConn: 3800163953Srrs sin->sin_addr.s_addr = 0; 3801163953Srrs } 3802163953Srrs 3803163953Srrs } else { 3804163953Srrs /* Take the first IPv4 address in the list */ 3805163953Srrs struct sctp_laddr *laddr; 3806163953Srrs int fnd = 0; 3807163953Srrs 3808163953Srrs LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 3809167598Srrs if (laddr->ifa->address.sa.sa_family == AF_INET) { 3810163953Srrs struct sockaddr_in *sin_a; 3811163953Srrs 3812167598Srrs sin_a = (struct sockaddr_in *)&laddr->ifa->address.sa; 3813163953Srrs sin->sin_addr = sin_a->sin_addr; 3814163953Srrs fnd = 1; 3815163953Srrs break; 3816163953Srrs } 3817163953Srrs } 3818163953Srrs if (!fnd) { 3819163953Srrs SCTP_FREE_SONAME(sin); 3820163953Srrs SCTP_INP_RUNLOCK(inp); 3821163953Srrs return ENOENT; 3822163953Srrs } 3823163953Srrs } 3824163953Srrs SCTP_INP_RUNLOCK(inp); 3825163953Srrs (*addr) = (struct sockaddr *)sin; 3826163953Srrs return (0); 3827163953Srrs} 3828163953Srrs 3829163953Srrsint 3830163953Srrssctp_peeraddr(struct socket *so, struct sockaddr **addr) 3831163953Srrs{ 3832163953Srrs struct sockaddr_in *sin = (struct sockaddr_in *)*addr; 3833166086Srrs int fnd; 3834163953Srrs struct sockaddr_in *sin_a; 3835163953Srrs struct sctp_inpcb *inp; 3836163953Srrs struct sctp_tcb *stcb; 3837163953Srrs struct sctp_nets *net; 3838163953Srrs 3839163953Srrs /* Do the malloc first in case it blocks. */ 3840163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 3841163953Srrs if ((inp == NULL) || 3842163953Srrs ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 3843163953Srrs /* UDP type and listeners will drop out here */ 3844163953Srrs return (ENOTCONN); 3845163953Srrs } 3846163953Srrs SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 3847163953Srrs sin->sin_family = AF_INET; 3848163953Srrs sin->sin_len = sizeof(*sin); 3849163953Srrs 3850163953Srrs /* We must recapture incase we blocked */ 3851163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 3852163953Srrs if (!inp) { 3853163953Srrs SCTP_FREE_SONAME(sin); 3854163953Srrs return ECONNRESET; 3855163953Srrs } 3856163953Srrs SCTP_INP_RLOCK(inp); 3857163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 3858163953Srrs if (stcb) 3859163953Srrs SCTP_TCB_LOCK(stcb); 3860163953Srrs SCTP_INP_RUNLOCK(inp); 3861163953Srrs if (stcb == NULL) { 3862163953Srrs SCTP_FREE_SONAME(sin); 3863163953Srrs return ECONNRESET; 3864163953Srrs } 3865163953Srrs fnd = 0; 3866163953Srrs TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3867163953Srrs sin_a = (struct sockaddr_in *)&net->ro._l_addr; 3868163953Srrs if (sin_a->sin_family == AF_INET) { 3869163953Srrs fnd = 1; 3870163953Srrs sin->sin_port = stcb->rport; 3871163953Srrs sin->sin_addr = sin_a->sin_addr; 3872163953Srrs break; 3873163953Srrs } 3874163953Srrs } 3875163953Srrs SCTP_TCB_UNLOCK(stcb); 3876163953Srrs if (!fnd) { 3877163953Srrs /* No IPv4 address */ 3878163953Srrs SCTP_FREE_SONAME(sin); 3879163953Srrs return ENOENT; 3880163953Srrs } 3881163953Srrs (*addr) = (struct sockaddr *)sin; 3882163953Srrs return (0); 3883163953Srrs} 3884163953Srrs 3885163953Srrsstruct pr_usrreqs sctp_usrreqs = { 3886163953Srrs .pru_abort = sctp_abort, 3887163953Srrs .pru_accept = sctp_accept, 3888163953Srrs .pru_attach = sctp_attach, 3889163953Srrs .pru_bind = sctp_bind, 3890163953Srrs .pru_connect = sctp_connect, 3891163953Srrs .pru_control = in_control, 3892163953Srrs .pru_close = sctp_close, 3893163953Srrs .pru_detach = sctp_close, 3894163953Srrs .pru_sopoll = sopoll_generic, 3895163953Srrs .pru_disconnect = sctp_disconnect, 3896163953Srrs .pru_listen = sctp_listen, 3897163953Srrs .pru_peeraddr = sctp_peeraddr, 3898163953Srrs .pru_send = sctp_sendm, 3899163953Srrs .pru_shutdown = sctp_shutdown, 3900163953Srrs .pru_sockaddr = sctp_ingetaddr, 3901163953Srrs .pru_sosend = sctp_sosend, 3902163953Srrs .pru_soreceive = sctp_soreceive 3903163953Srrs}; 3904