sctp_usrreq.c revision 164085
1163953Srrs/*- 2163953Srrs * Copyright (c) 2001-2006, 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 164085 2006-11-08 00:21:13Z rrs $"); 35163953Srrs 36163953Srrs 37163953Srrs#include "opt_ipsec.h" 38163953Srrs#include "opt_inet6.h" 39163953Srrs#include "opt_inet.h" 40163953Srrs 41163953Srrs#include "opt_sctp.h" 42163953Srrs 43163953Srrs#include <sys/param.h> 44163953Srrs#include <sys/systm.h> 45163953Srrs#include <sys/kernel.h> 46163953Srrs#include <sys/malloc.h> 47163953Srrs#include <sys/mbuf.h> 48163953Srrs#include <sys/domain.h> 49164039Srwatson#include <sys/priv.h> 50163953Srrs#include <sys/proc.h> 51163953Srrs#include <sys/protosw.h> 52163953Srrs#include <sys/socket.h> 53163953Srrs#include <sys/socketvar.h> 54163953Srrs#include <sys/sysctl.h> 55163953Srrs#include <sys/syslog.h> 56163953Srrs#include <net/if.h> 57163953Srrs#include <net/if_types.h> 58163953Srrs#include <net/if_var.h> 59163953Srrs#include <net/route.h> 60163953Srrs#include <netinet/in.h> 61163953Srrs#include <netinet/in_systm.h> 62163953Srrs#include <netinet/ip.h> 63163953Srrs#include <netinet/ip6.h> 64163953Srrs#include <netinet/in_pcb.h> 65163953Srrs#include <netinet/in_var.h> 66163953Srrs#include <netinet/ip_var.h> 67163953Srrs#include <netinet6/ip6_var.h> 68163953Srrs#include <netinet6/in6_var.h> 69163953Srrs#include <netinet6/scope6_var.h> 70163953Srrs#include <netinet/ip_icmp.h> 71163953Srrs#include <netinet/icmp_var.h> 72163953Srrs#include <netinet/sctp_os.h> 73163953Srrs#include <netinet/sctp_pcb.h> 74163953Srrs#include <netinet/sctp_header.h> 75163953Srrs#include <netinet/sctp_var.h> 76163953Srrs#include <netinet/sctp_output.h> 77163953Srrs#include <netinet/sctp_bsd_addr.h> 78163953Srrs#include <netinet/sctp_uio.h> 79163953Srrs#include <netinet/sctp_asconf.h> 80163953Srrs#include <netinet/sctputil.h> 81163953Srrs#include <netinet/sctp_indata.h> 82163953Srrs#include <netinet/sctp_asconf.h> 83163953Srrs#include <netinet/sctp_timer.h> 84163953Srrs#include <netinet/sctp_auth.h> 85164085Srrs 86163953Srrs#ifdef IPSEC 87163953Srrs#include <netinet6/ipsec.h> 88163953Srrs#include <netkey/key.h> 89163953Srrs#endif /* IPSEC */ 90163953Srrs 91163953Srrs 92163953Srrs 93163953Srrs 94163953Srrs#ifndef in6pcb 95163953Srrs#define in6pcb inpcb 96163953Srrs#endif 97163953Srrs#ifndef sotoin6pcb 98163953Srrs#define sotoin6pcb sotoinpcb 99163953Srrs#endif 100163953Srrs 101163953Srrs 102163953Srrs 103163953Srrs/* 104163953Srrs * sysctl tunable variables 105163953Srrs */ 106163953Srrsint sctp_sendspace = (128 * 1024); 107163953Srrsint sctp_recvspace = 128 * (1024 + 108163953Srrs#ifdef INET6 109163953Srrs sizeof(struct sockaddr_in6) 110163953Srrs#else 111163953Srrs sizeof(struct sockaddr_in) 112163953Srrs#endif 113163953Srrs); 114163953Srrsint sctp_mbuf_threshold_count = SCTP_DEFAULT_MBUFS_IN_CHAIN; 115163953Srrsint sctp_auto_asconf = SCTP_DEFAULT_AUTO_ASCONF; 116163953Srrsint sctp_ecn_enable = 1; 117163953Srrsint sctp_ecn_nonce = 0; 118163953Srrsint sctp_strict_sacks = 0; 119163953Srrsint sctp_no_csum_on_loopback = 1; 120163953Srrsint sctp_strict_init = 1; 121163953Srrsint sctp_abort_if_one_2_one_hits_limit = 0; 122163953Srrsint sctp_strict_data_order = 0; 123163953Srrs 124163953Srrsint sctp_peer_chunk_oh = sizeof(struct mbuf); 125163953Srrsint sctp_max_burst_default = SCTP_DEF_MAX_BURST; 126163953Srrsint sctp_use_cwnd_based_maxburst = 1; 127163953Srrsint sctp_do_drain = 1; 128163953Srrsint sctp_warm_the_crc32_table = 0; 129163953Srrs 130163953Srrsunsigned int sctp_max_chunks_on_queue = SCTP_ASOC_MAX_CHUNKS_ON_QUEUE; 131163953Srrsunsigned int sctp_delayed_sack_time_default = SCTP_RECV_MSEC; 132163953Srrsunsigned int sctp_heartbeat_interval_default = SCTP_HB_DEFAULT_MSEC; 133163953Srrsunsigned int sctp_pmtu_raise_time_default = SCTP_DEF_PMTU_RAISE_SEC; 134163953Srrsunsigned int sctp_shutdown_guard_time_default = SCTP_DEF_MAX_SHUTDOWN_SEC; 135163953Srrsunsigned int sctp_secret_lifetime_default = SCTP_DEFAULT_SECRET_LIFE_SEC; 136163953Srrsunsigned int sctp_rto_max_default = SCTP_RTO_UPPER_BOUND; 137163953Srrsunsigned int sctp_rto_min_default = SCTP_RTO_LOWER_BOUND; 138163953Srrsunsigned int sctp_rto_initial_default = SCTP_RTO_INITIAL; 139163953Srrsunsigned int sctp_init_rto_max_default = SCTP_RTO_UPPER_BOUND; 140163953Srrsunsigned int sctp_valid_cookie_life_default = SCTP_DEFAULT_COOKIE_LIFE; 141163953Srrsunsigned int sctp_init_rtx_max_default = SCTP_DEF_MAX_INIT; 142163953Srrsunsigned int sctp_assoc_rtx_max_default = SCTP_DEF_MAX_SEND; 143163953Srrsunsigned int sctp_path_rtx_max_default = SCTP_DEF_MAX_PATH_RTX; 144163953Srrsunsigned int sctp_nr_outgoing_streams_default = SCTP_OSTREAM_INITIAL; 145163953Srrsunsigned int sctp_add_more_threshold = SCTP_DEFAULT_ADD_MORE; 146163953Srrs 147163953Srrsuint32_t sctp_asoc_free_resc_limit = SCTP_DEF_ASOC_RESC_LIMIT; 148163953Srrsuint32_t sctp_system_free_resc_limit = SCTP_DEF_SYSTEM_RESC_LIMIT; 149163953Srrs 150163953Srrsint sctp_min_split_point = SCTP_DEFAULT_SPLIT_POINT_MIN; 151163953Srrsint sctp_pcbtblsize = SCTP_PCBHASHSIZE; 152163953Srrsint sctp_hashtblsize = SCTP_TCBHASHSIZE; 153163953Srrsint sctp_chunkscale = SCTP_CHUNKQUEUE_SCALE; 154163953Srrs 155163953Srrsunsigned int sctp_cmt_on_off = 0; 156163953Srrsunsigned int sctp_cmt_sockopt_on_off = 0; 157163953Srrsunsigned int sctp_cmt_use_dac = 0; 158163953Srrsunsigned int sctp_cmt_sockopt_use_dac = 0; 159163953Srrs 160163953Srrsint sctp_L2_abc_variable = 1; 161163953Srrsunsigned int sctp_early_fr = 0; 162163953Srrsunsigned int sctp_early_fr_msec = SCTP_MINFR_MSEC_TIMER; 163163953Srrsunsigned int sctp_use_rttvar_cc = 0; 164163953Srrsint sctp_says_check_for_deadlock = 0; 165163953Srrsunsigned int sctp_asconf_auth_nochk = 0; 166163953Srrsunsigned int sctp_auth_disable = 0; 167163953Srrsunsigned int sctp_auth_random_len = SCTP_AUTH_RANDOM_SIZE_DEFAULT; 168163953Srrsunsigned int sctp_auth_hmac_id_default = SCTP_AUTH_HMAC_ID_SHA1; 169163953Srrsstruct sctpstat sctpstat; 170163953Srrs 171163953Srrs#ifdef SCTP_DEBUG 172163953Srrsextern uint32_t sctp_debug_on; 173163953Srrs 174163953Srrs#endif /* SCTP_DEBUG */ 175163953Srrs 176163953Srrs 177163953Srrsvoid 178163953Srrssctp_init(void) 179163953Srrs{ 180163953Srrs /* Init the SCTP pcb in sctp_pcb.c */ 181163953Srrs u_long sb_max_adj; 182163953Srrs 183163953Srrs sctp_pcb_init(); 184163953Srrs 185163953Srrs if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 186163953Srrs sctp_max_chunks_on_queue = (nmbclusters / 8); 187163953Srrs /* 188163953Srrs * Allow a user to take no more than 1/2 the number of clusters or 189163953Srrs * the SB_MAX whichever is smaller for the send window. 190163953Srrs */ 191163953Srrs sb_max_adj = (u_long)((u_quad_t) (SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 192163953Srrs sctp_sendspace = min((min(SB_MAX, sb_max_adj)), 193163953Srrs ((nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT)); 194163953Srrs /* 195163953Srrs * Now for the recv window, should we take the same amount? or 196163953Srrs * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 197163953Srrs * now I will just copy. 198163953Srrs */ 199163953Srrs sctp_recvspace = sctp_sendspace; 200163953Srrs 201163953Srrs 202163953Srrs} 203163953Srrs 204163953Srrs 205163953Srrs#ifdef INET6 206163953Srrsvoid 207163953Srrsip_2_ip6_hdr(struct ip6_hdr *ip6, struct ip *ip) 208163953Srrs{ 209163953Srrs bzero(ip6, sizeof(*ip6)); 210163953Srrs 211163953Srrs ip6->ip6_vfc = IPV6_VERSION; 212163953Srrs ip6->ip6_plen = ip->ip_len; 213163953Srrs ip6->ip6_nxt = ip->ip_p; 214163953Srrs ip6->ip6_hlim = ip->ip_ttl; 215163953Srrs ip6->ip6_src.s6_addr32[2] = ip6->ip6_dst.s6_addr32[2] = 216163953Srrs IPV6_ADDR_INT32_SMP; 217163953Srrs ip6->ip6_src.s6_addr32[3] = ip->ip_src.s_addr; 218163953Srrs ip6->ip6_dst.s6_addr32[3] = ip->ip_dst.s_addr; 219163953Srrs} 220163953Srrs 221163953Srrs#endif /* INET6 */ 222163953Srrs 223163953Srrs 224163953Srrsstatic void 225163953Srrssctp_pathmtu_adustment(struct sctp_inpcb *inp, 226163953Srrs struct sctp_tcb *stcb, 227163953Srrs struct sctp_nets *net, 228163953Srrs uint16_t nxtsz) 229163953Srrs{ 230163953Srrs struct sctp_tmit_chunk *chk; 231163953Srrs 232163953Srrs /* Adjust that too */ 233163953Srrs stcb->asoc.smallest_mtu = nxtsz; 234163953Srrs /* now off to subtract IP_DF flag if needed */ 235163953Srrs 236163953Srrs TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) { 237163953Srrs if ((chk->send_size + IP_HDR_SIZE) > nxtsz) { 238163953Srrs chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 239163953Srrs } 240163953Srrs } 241163953Srrs TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) { 242163953Srrs if ((chk->send_size + IP_HDR_SIZE) > nxtsz) { 243163953Srrs /* 244163953Srrs * For this guy we also mark for immediate resend 245163953Srrs * since we sent to big of chunk 246163953Srrs */ 247163953Srrs chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 248163953Srrs if (chk->sent != SCTP_DATAGRAM_RESEND) { 249163953Srrs sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt); 250163953Srrs } 251163953Srrs chk->sent = SCTP_DATAGRAM_RESEND; 252163953Srrs chk->rec.data.doing_fast_retransmit = 0; 253163953Srrs 254163953Srrs /* Clear any time so NO RTT is being done */ 255163953Srrs chk->do_rtt = 0; 256163953Srrs if (stcb->asoc.total_flight >= chk->book_size) 257163953Srrs stcb->asoc.total_flight -= chk->book_size; 258163953Srrs else 259163953Srrs stcb->asoc.total_flight = 0; 260163953Srrs if (stcb->asoc.total_flight_count > 0) 261163953Srrs stcb->asoc.total_flight_count--; 262163953Srrs if (net->flight_size >= chk->book_size) 263163953Srrs net->flight_size -= chk->book_size; 264163953Srrs else 265163953Srrs net->flight_size = 0; 266163953Srrs } 267163953Srrs } 268163953Srrs} 269163953Srrs 270163953Srrsstatic void 271163953Srrssctp_notify_mbuf(struct sctp_inpcb *inp, 272163953Srrs struct sctp_tcb *stcb, 273163953Srrs struct sctp_nets *net, 274163953Srrs struct ip *ip, 275163953Srrs struct sctphdr *sh) 276163953Srrs{ 277163953Srrs struct icmp *icmph; 278163953Srrs int totsz, tmr_stopped = 0; 279163953Srrs uint16_t nxtsz; 280163953Srrs 281163953Srrs /* protection */ 282163953Srrs if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 283163953Srrs (ip == NULL) || (sh == NULL)) { 284163953Srrs if (stcb != NULL) 285163953Srrs SCTP_TCB_UNLOCK(stcb); 286163953Srrs return; 287163953Srrs } 288163953Srrs /* First job is to verify the vtag matches what I would send */ 289163953Srrs if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 290163953Srrs SCTP_TCB_UNLOCK(stcb); 291163953Srrs return; 292163953Srrs } 293163953Srrs icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 294163953Srrs sizeof(struct ip))); 295163953Srrs if (icmph->icmp_type != ICMP_UNREACH) { 296163953Srrs /* We only care about unreachable */ 297163953Srrs SCTP_TCB_UNLOCK(stcb); 298163953Srrs return; 299163953Srrs } 300163953Srrs if (icmph->icmp_code != ICMP_UNREACH_NEEDFRAG) { 301163953Srrs /* not a unreachable message due to frag. */ 302163953Srrs SCTP_TCB_UNLOCK(stcb); 303163953Srrs return; 304163953Srrs } 305163953Srrs totsz = ip->ip_len; 306163953Srrs 307163953Srrs nxtsz = ntohs(icmph->icmp_seq); 308163953Srrs if (nxtsz == 0) { 309163953Srrs /* 310163953Srrs * old type router that does not tell us what the next size 311163953Srrs * mtu is. Rats we will have to guess (in a educated fashion 312163953Srrs * of course) 313163953Srrs */ 314163953Srrs nxtsz = find_next_best_mtu(totsz); 315163953Srrs } 316163953Srrs /* Stop any PMTU timer */ 317163953Srrs if (callout_pending(&net->pmtu_timer.timer)) { 318163953Srrs tmr_stopped = 1; 319163953Srrs sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 320163953Srrs } 321163953Srrs /* Adjust destination size limit */ 322163953Srrs if (net->mtu > nxtsz) { 323163953Srrs net->mtu = nxtsz; 324163953Srrs } 325163953Srrs /* now what about the ep? */ 326163953Srrs if (stcb->asoc.smallest_mtu > nxtsz) { 327163953Srrs sctp_pathmtu_adustment(inp, stcb, net, nxtsz); 328163953Srrs } 329163953Srrs if (tmr_stopped) 330163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 331163953Srrs 332163953Srrs SCTP_TCB_UNLOCK(stcb); 333163953Srrs} 334163953Srrs 335163953Srrs 336163953Srrsvoid 337163953Srrssctp_notify(struct sctp_inpcb *inp, 338163953Srrs int errno, 339163953Srrs struct sctphdr *sh, 340163953Srrs struct sockaddr *to, 341163953Srrs struct sctp_tcb *stcb, 342163953Srrs struct sctp_nets *net) 343163953Srrs{ 344163953Srrs /* protection */ 345163953Srrs if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 346163953Srrs (sh == NULL) || (to == NULL)) { 347163953Srrs return; 348163953Srrs } 349163953Srrs /* First job is to verify the vtag matches what I would send */ 350163953Srrs if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 351163953Srrs return; 352163953Srrs } 353163953Srrs /* FIX ME FIX ME PROTOPT i.e. no SCTP should ALWAYS be an ABORT */ 354163953Srrs 355163953Srrs if ((errno == EHOSTUNREACH) || /* Host is not reachable */ 356163953Srrs (errno == EHOSTDOWN) || /* Host is down */ 357163953Srrs (errno == ECONNREFUSED) || /* Host refused the connection, (not 358163953Srrs * an abort?) */ 359163953Srrs (errno == ENOPROTOOPT) /* SCTP is not present on host */ 360163953Srrs ) { 361163953Srrs /* 362163953Srrs * Hmm reachablity problems we must examine closely. If its 363163953Srrs * not reachable, we may have lost a network. Or if there is 364163953Srrs * NO protocol at the other end named SCTP. well we consider 365163953Srrs * it a OOTB abort. 366163953Srrs */ 367163953Srrs if ((errno == EHOSTUNREACH) || (errno == EHOSTDOWN)) { 368163953Srrs if (net->dest_state & SCTP_ADDR_REACHABLE) { 369163953Srrs /* Ok that destination is NOT reachable */ 370163953Srrs net->dest_state &= ~SCTP_ADDR_REACHABLE; 371163953Srrs net->dest_state |= SCTP_ADDR_NOT_REACHABLE; 372163953Srrs net->error_count = net->failure_threshold + 1; 373163953Srrs sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 374163953Srrs stcb, SCTP_FAILED_THRESHOLD, 375163953Srrs (void *)net); 376163953Srrs } 377163953Srrs if (stcb) 378163953Srrs SCTP_TCB_UNLOCK(stcb); 379163953Srrs } else { 380163953Srrs /* 381163953Srrs * Here the peer is either playing tricks on us, 382163953Srrs * including an address that belongs to someone who 383163953Srrs * does not support SCTP OR was a userland 384163953Srrs * implementation that shutdown and now is dead. In 385163953Srrs * either case treat it like a OOTB abort with no 386163953Srrs * TCB 387163953Srrs */ 388163953Srrs sctp_abort_notification(stcb, SCTP_PEER_FAULTY); 389163953Srrs sctp_free_assoc(inp, stcb, 0); 390163953Srrs /* no need to unlock here, since the TCB is gone */ 391163953Srrs } 392163953Srrs } else { 393163953Srrs /* Send all others to the app */ 394163953Srrs if (stcb) 395163953Srrs SCTP_TCB_UNLOCK(stcb); 396163953Srrs 397163953Srrs 398163953Srrs if (inp->sctp_socket) { 399163953Srrs#ifdef SCTP_LOCK_LOGGING 400163953Srrs sctp_log_lock(inp, stcb, SCTP_LOG_LOCK_SOCK); 401163953Srrs#endif 402163953Srrs SOCK_LOCK(inp->sctp_socket); 403163953Srrs inp->sctp_socket->so_error = errno; 404163953Srrs sctp_sowwakeup(inp, inp->sctp_socket); 405163953Srrs SOCK_UNLOCK(inp->sctp_socket); 406163953Srrs } 407163953Srrs } 408163953Srrs} 409163953Srrs 410163953Srrsvoid 411163953Srrssctp_ctlinput(cmd, sa, vip) 412163953Srrs int cmd; 413163953Srrs struct sockaddr *sa; 414163953Srrs void *vip; 415163953Srrs{ 416163953Srrs struct ip *ip = vip; 417163953Srrs struct sctphdr *sh; 418163953Srrs int s; 419163953Srrs 420163953Srrs 421163953Srrs if (sa->sa_family != AF_INET || 422163953Srrs ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 423163953Srrs return; 424163953Srrs } 425163953Srrs if (PRC_IS_REDIRECT(cmd)) { 426163953Srrs ip = 0; 427163953Srrs } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 428163953Srrs return; 429163953Srrs } 430163953Srrs if (ip) { 431163953Srrs struct sctp_inpcb *inp = NULL; 432163953Srrs struct sctp_tcb *stcb = NULL; 433163953Srrs struct sctp_nets *net = NULL; 434163953Srrs struct sockaddr_in to, from; 435163953Srrs 436163953Srrs sh = (struct sctphdr *)((caddr_t)ip + (ip->ip_hl << 2)); 437163953Srrs bzero(&to, sizeof(to)); 438163953Srrs bzero(&from, sizeof(from)); 439163953Srrs from.sin_family = to.sin_family = AF_INET; 440163953Srrs from.sin_len = to.sin_len = sizeof(to); 441163953Srrs from.sin_port = sh->src_port; 442163953Srrs from.sin_addr = ip->ip_src; 443163953Srrs to.sin_port = sh->dest_port; 444163953Srrs to.sin_addr = ip->ip_dst; 445163953Srrs 446163953Srrs /* 447163953Srrs * 'to' holds the dest of the packet that failed to be sent. 448163953Srrs * 'from' holds our local endpoint address. Thus we reverse 449163953Srrs * the to and the from in the lookup. 450163953Srrs */ 451163953Srrs s = splnet(); 452163953Srrs stcb = sctp_findassociation_addr_sa((struct sockaddr *)&from, 453163953Srrs (struct sockaddr *)&to, 454163953Srrs &inp, &net, 1); 455163953Srrs if (stcb != NULL && inp && (inp->sctp_socket != NULL)) { 456163953Srrs if (cmd != PRC_MSGSIZE) { 457163953Srrs int cm; 458163953Srrs 459163953Srrs if (cmd == PRC_HOSTDEAD) { 460163953Srrs cm = EHOSTUNREACH; 461163953Srrs } else { 462163953Srrs cm = inetctlerrmap[cmd]; 463163953Srrs } 464163953Srrs sctp_notify(inp, cm, sh, 465163953Srrs (struct sockaddr *)&to, stcb, 466163953Srrs net); 467163953Srrs } else { 468163953Srrs /* handle possible ICMP size messages */ 469163953Srrs sctp_notify_mbuf(inp, stcb, net, ip, sh); 470163953Srrs } 471163953Srrs } else { 472163953Srrs if ((stcb == NULL) && (inp != NULL)) { 473163953Srrs /* reduce ref-count */ 474163953Srrs SCTP_INP_WLOCK(inp); 475163953Srrs SCTP_INP_DECR_REF(inp); 476163953Srrs SCTP_INP_WUNLOCK(inp); 477163953Srrs } 478163953Srrs } 479163953Srrs splx(s); 480163953Srrs } 481163953Srrs return; 482163953Srrs} 483163953Srrs 484163953Srrsstatic int 485163953Srrssctp_getcred(SYSCTL_HANDLER_ARGS) 486163953Srrs{ 487164085Srrs struct xucred xuc; 488163953Srrs struct sockaddr_in addrs[2]; 489163953Srrs struct sctp_inpcb *inp; 490163953Srrs struct sctp_nets *net; 491163953Srrs struct sctp_tcb *stcb; 492164085Srrs int error; 493163953Srrs 494164039Srwatson /* 495164039Srwatson * XXXRW: Other instances of getcred use SUSER_ALLOWJAIL, as socket 496164039Srwatson * visibility is scoped using cr_canseesocket(), which it is not 497164039Srwatson * here. 498164039Srwatson */ 499164039Srwatson error = priv_check_cred(req->td->td_ucred, PRIV_NETINET_GETCRED, 0); 500163953Srrs if (error) 501163953Srrs return (error); 502164039Srwatson 503163953Srrs error = SYSCTL_IN(req, addrs, sizeof(addrs)); 504163953Srrs if (error) 505163953Srrs return (error); 506163953Srrs 507163953Srrs stcb = sctp_findassociation_addr_sa(sintosa(&addrs[0]), 508163953Srrs sintosa(&addrs[1]), 509163953Srrs &inp, &net, 1); 510163953Srrs if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 511163953Srrs if ((inp != NULL) && (stcb == NULL)) { 512163953Srrs /* reduce ref-count */ 513163953Srrs SCTP_INP_WLOCK(inp); 514163953Srrs SCTP_INP_DECR_REF(inp); 515164085Srrs goto cred_can_cont; 516163953Srrs } 517163953Srrs error = ENOENT; 518163953Srrs goto out; 519163953Srrs } 520163953Srrs SCTP_TCB_UNLOCK(stcb); 521164085Srrs /* 522164085Srrs * We use the write lock here, only since in the error leg we need 523164085Srrs * it. If we used RLOCK, then we would have to 524164085Srrs * wlock/decr/unlock/rlock. Which in theory could create a hole. 525164085Srrs * Better to use higher wlock. 526164085Srrs */ 527164085Srrs SCTP_INP_WLOCK(inp); 528164085Srrscred_can_cont: 529164085Srrs error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 530164085Srrs if (error) { 531164085Srrs SCTP_INP_WUNLOCK(inp); 532164085Srrs goto out; 533164085Srrs } 534164085Srrs cru2x(inp->sctp_socket->so_cred, &xuc); 535164085Srrs SCTP_INP_WUNLOCK(inp); 536164085Srrs error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 537163953Srrsout: 538163953Srrs return (error); 539163953Srrs} 540163953Srrs 541163953SrrsSYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW, 542163953Srrs 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection"); 543163953Srrs 544163953Srrs 545163953Srrs/* 546163953Srrs * sysctl definitions 547163953Srrs */ 548163953Srrs 549163953SrrsSYSCTL_INT(_net_inet_sctp, OID_AUTO, sendspace, CTLFLAG_RW, 550163953Srrs &sctp_sendspace, 0, "Maximum outgoing SCTP buffer size"); 551163953Srrs 552163953SrrsSYSCTL_INT(_net_inet_sctp, OID_AUTO, recvspace, CTLFLAG_RW, 553163953Srrs &sctp_recvspace, 0, "Maximum incoming SCTP buffer size"); 554163953Srrs 555163953SrrsSYSCTL_INT(_net_inet_sctp, OID_AUTO, auto_asconf, CTLFLAG_RW, 556163953Srrs &sctp_auto_asconf, 0, "Enable SCTP Auto-ASCONF"); 557163953Srrs 558163953SrrsSYSCTL_INT(_net_inet_sctp, OID_AUTO, ecn_enable, CTLFLAG_RW, 559163953Srrs &sctp_ecn_enable, 0, "Enable SCTP ECN"); 560163953Srrs 561163953SrrsSYSCTL_INT(_net_inet_sctp, OID_AUTO, ecn_nonce, CTLFLAG_RW, 562163953Srrs &sctp_ecn_nonce, 0, "Enable SCTP ECN Nonce"); 563163953Srrs 564163953SrrsSYSCTL_INT(_net_inet_sctp, OID_AUTO, strict_sacks, CTLFLAG_RW, 565163953Srrs &sctp_strict_sacks, 0, "Enable SCTP Strict SACK checking"); 566163953Srrs 567163953SrrsSYSCTL_INT(_net_inet_sctp, OID_AUTO, loopback_nocsum, CTLFLAG_RW, 568163953Srrs &sctp_no_csum_on_loopback, 0, 569163953Srrs "Enable NO Csum on packets sent on loopback"); 570163953Srrs 571163953SrrsSYSCTL_INT(_net_inet_sctp, OID_AUTO, strict_init, CTLFLAG_RW, 572163953Srrs &sctp_strict_init, 0, 573163953Srrs "Enable strict INIT/INIT-ACK singleton enforcement"); 574163953Srrs 575163953SrrsSYSCTL_INT(_net_inet_sctp, OID_AUTO, peer_chkoh, CTLFLAG_RW, 576163953Srrs &sctp_peer_chunk_oh, 0, 577163953Srrs "Amount to debit peers rwnd per chunk sent"); 578163953Srrs 579163953SrrsSYSCTL_INT(_net_inet_sctp, OID_AUTO, maxburst, CTLFLAG_RW, 580163953Srrs &sctp_max_burst_default, 0, 581163953Srrs "Default max burst for sctp endpoints"); 582163953Srrs 583163953SrrsSYSCTL_INT(_net_inet_sctp, OID_AUTO, maxchunks, CTLFLAG_RW, 584163953Srrs &sctp_max_chunks_on_queue, 0, 585163953Srrs "Default max chunks on queue per asoc"); 586163953Srrs 587163953SrrsSYSCTL_INT(_net_inet_sctp, OID_AUTO, tcbhashsize, CTLFLAG_RW, 588163953Srrs &sctp_hashtblsize, 0, 589163953Srrs "Tuneable for Hash table sizes"); 590163953Srrs 591163953SrrsSYSCTL_INT(_net_inet_sctp, OID_AUTO, min_split_point, CTLFLAG_RW, 592163953Srrs &sctp_min_split_point, 0, 593163953Srrs "Minimum size when splitting a chunk"); 594163953Srrs 595163953SrrsSYSCTL_INT(_net_inet_sctp, OID_AUTO, pcbhashsize, CTLFLAG_RW, 596163953Srrs &sctp_pcbtblsize, 0, 597163953Srrs "Tuneable for PCB Hash table sizes"); 598163953Srrs 599163953SrrsSYSCTL_INT(_net_inet_sctp, OID_AUTO, sys_resource, CTLFLAG_RW, 600163953Srrs &sctp_system_free_resc_limit, 0, 601163953Srrs "Max number of cached resources in the system"); 602163953Srrs 603163953SrrsSYSCTL_INT(_net_inet_sctp, OID_AUTO, asoc_resource, CTLFLAG_RW, 604163953Srrs &sctp_asoc_free_resc_limit, 0, 605163953Srrs "Max number of cached resources in an asoc"); 606163953Srrs 607163953Srrs 608163953SrrsSYSCTL_INT(_net_inet_sctp, OID_AUTO, chunkscale, CTLFLAG_RW, 609163953Srrs &sctp_chunkscale, 0, 610163953Srrs "Tuneable for Scaling of number of chunks and messages"); 611163953Srrs 612163953Srrs 613163953SrrsSYSCTL_UINT(_net_inet_sctp, OID_AUTO, delayed_sack_time, CTLFLAG_RW, 614163953Srrs &sctp_delayed_sack_time_default, 0, 615163953Srrs "Default delayed SACK timer in msec"); 616163953Srrs 617163953SrrsSYSCTL_UINT(_net_inet_sctp, OID_AUTO, heartbeat_interval, CTLFLAG_RW, 618163953Srrs &sctp_heartbeat_interval_default, 0, 619163953Srrs "Default heartbeat interval in msec"); 620163953Srrs 621163953SrrsSYSCTL_UINT(_net_inet_sctp, OID_AUTO, pmtu_raise_time, CTLFLAG_RW, 622163953Srrs &sctp_pmtu_raise_time_default, 0, 623163953Srrs "Default PMTU raise timer in sec"); 624163953Srrs 625163953SrrsSYSCTL_UINT(_net_inet_sctp, OID_AUTO, shutdown_guard_time, CTLFLAG_RW, 626163953Srrs &sctp_shutdown_guard_time_default, 0, 627163953Srrs "Default shutdown guard timer in sec"); 628163953Srrs 629163953SrrsSYSCTL_UINT(_net_inet_sctp, OID_AUTO, secret_lifetime, CTLFLAG_RW, 630163953Srrs &sctp_secret_lifetime_default, 0, 631163953Srrs "Default secret lifetime in sec"); 632163953Srrs 633163953SrrsSYSCTL_UINT(_net_inet_sctp, OID_AUTO, rto_max, CTLFLAG_RW, 634163953Srrs &sctp_rto_max_default, 0, 635163953Srrs "Default maximum retransmission timeout in msec"); 636163953Srrs 637163953SrrsSYSCTL_UINT(_net_inet_sctp, OID_AUTO, rto_min, CTLFLAG_RW, 638163953Srrs &sctp_rto_min_default, 0, 639163953Srrs "Default minimum retransmission timeout in msec"); 640163953Srrs 641163953SrrsSYSCTL_UINT(_net_inet_sctp, OID_AUTO, rto_initial, CTLFLAG_RW, 642163953Srrs &sctp_rto_initial_default, 0, 643163953Srrs "Default initial retransmission timeout in msec"); 644163953Srrs 645163953SrrsSYSCTL_UINT(_net_inet_sctp, OID_AUTO, init_rto_max, CTLFLAG_RW, 646163953Srrs &sctp_init_rto_max_default, 0, 647163953Srrs "Default maximum retransmission timeout during association setup in msec"); 648163953Srrs 649163953SrrsSYSCTL_UINT(_net_inet_sctp, OID_AUTO, valid_cookie_life, CTLFLAG_RW, 650163953Srrs &sctp_valid_cookie_life_default, 0, 651163953Srrs "Default cookie lifetime in sec"); 652163953Srrs 653163953SrrsSYSCTL_UINT(_net_inet_sctp, OID_AUTO, init_rtx_max, CTLFLAG_RW, 654163953Srrs &sctp_init_rtx_max_default, 0, 655163953Srrs "Default maximum number of retransmission for INIT chunks"); 656163953Srrs 657163953SrrsSYSCTL_UINT(_net_inet_sctp, OID_AUTO, assoc_rtx_max, CTLFLAG_RW, 658163953Srrs &sctp_assoc_rtx_max_default, 0, 659163953Srrs "Default maximum number of retransmissions per association"); 660163953Srrs 661163953SrrsSYSCTL_UINT(_net_inet_sctp, OID_AUTO, path_rtx_max, CTLFLAG_RW, 662163953Srrs &sctp_path_rtx_max_default, 0, 663163953Srrs "Default maximum of retransmissions per path"); 664163953Srrs 665163953SrrsSYSCTL_UINT(_net_inet_sctp, OID_AUTO, add_more_on_output, CTLFLAG_RW, 666163953Srrs &sctp_add_more_threshold, 0, 667163953Srrs "When space wise is it worthwhile to try to add more to a socket send buffer"); 668163953Srrs 669163953Srrs 670163953SrrsSYSCTL_UINT(_net_inet_sctp, OID_AUTO, nr_outgoing_streams, CTLFLAG_RW, 671163953Srrs &sctp_nr_outgoing_streams_default, 0, 672163953Srrs "Default number of outgoing streams"); 673163953Srrs 674163953SrrsSYSCTL_UINT(_net_inet_sctp, OID_AUTO, cmt_on_off, CTLFLAG_RW, 675163953Srrs &sctp_cmt_on_off, 0, 676163953Srrs "CMT ON/OFF flag"); 677163953Srrs 678163953SrrsSYSCTL_UINT(_net_inet_sctp, OID_AUTO, cwnd_maxburst, CTLFLAG_RW, 679163953Srrs &sctp_use_cwnd_based_maxburst, 0, 680163953Srrs "Use a CWND adjusting maxburst"); 681163953Srrs 682163953SrrsSYSCTL_UINT(_net_inet_sctp, OID_AUTO, early_fast_retran, CTLFLAG_RW, 683163953Srrs &sctp_early_fr, 0, 684163953Srrs "Early Fast Retransmit with Timer"); 685163953Srrs 686163953SrrsSYSCTL_UINT(_net_inet_sctp, OID_AUTO, use_rttvar_congctrl, CTLFLAG_RW, 687163953Srrs &sctp_use_rttvar_cc, 0, 688163953Srrs "Use congestion control via rtt variation"); 689163953Srrs 690163953SrrsSYSCTL_UINT(_net_inet_sctp, OID_AUTO, deadlock_detect, CTLFLAG_RW, 691163953Srrs &sctp_says_check_for_deadlock, 0, 692163953Srrs "SMP Deadlock detection on/off"); 693163953Srrs 694163953SrrsSYSCTL_UINT(_net_inet_sctp, OID_AUTO, early_fast_retran_msec, CTLFLAG_RW, 695163953Srrs &sctp_early_fr_msec, 0, 696163953Srrs "Early Fast Retransmit minimum timer value"); 697163953Srrs 698163953SrrsSYSCTL_UINT(_net_inet_sctp, OID_AUTO, asconf_auth_nochk, CTLFLAG_RW, 699163953Srrs &sctp_asconf_auth_nochk, 0, 700163953Srrs "Disable SCTP ASCONF AUTH requirement"); 701163953Srrs 702163953SrrsSYSCTL_UINT(_net_inet_sctp, OID_AUTO, auth_disable, CTLFLAG_RW, 703163953Srrs &sctp_auth_disable, 0, 704163953Srrs "Disable SCTP AUTH chunk requirement/function"); 705163953Srrs 706163953SrrsSYSCTL_UINT(_net_inet_sctp, OID_AUTO, auth_random_len, CTLFLAG_RW, 707163953Srrs &sctp_auth_random_len, 0, 708163953Srrs "Length of AUTH RANDOMs"); 709163953Srrs 710163953SrrsSYSCTL_UINT(_net_inet_sctp, OID_AUTO, auth_hmac_id, CTLFLAG_RW, 711163953Srrs &sctp_auth_hmac_id_default, 0, 712163953Srrs "Default HMAC Id for SCTP AUTHenthication"); 713163953Srrs 714163953SrrsSYSCTL_INT(_net_inet_sctp, OID_AUTO, abc_l_var, CTLFLAG_RW, 715163953Srrs &sctp_L2_abc_variable, 0, 716163953Srrs "SCTP ABC max increase per SACK (L)"); 717163953Srrs 718163953SrrsSYSCTL_INT(_net_inet_sctp, OID_AUTO, max_chained_mbufs, CTLFLAG_RW, 719163953Srrs &sctp_mbuf_threshold_count, 0, 720163953Srrs "Default max number of small mbufs on a chain"); 721163953Srrs 722163953SrrsSYSCTL_UINT(_net_inet_sctp, OID_AUTO, cmt_use_dac, CTLFLAG_RW, 723163953Srrs &sctp_cmt_use_dac, 0, 724163953Srrs "CMT DAC ON/OFF flag"); 725163953Srrs 726163953SrrsSYSCTL_INT(_net_inet_sctp, OID_AUTO, do_sctp_drain, CTLFLAG_RW, 727163953Srrs &sctp_do_drain, 0, 728163953Srrs "Should SCTP respond to the drain calls"); 729163953Srrs 730163953SrrsSYSCTL_INT(_net_inet_sctp, OID_AUTO, warm_crc_table, CTLFLAG_RW, 731163953Srrs &sctp_warm_the_crc32_table, 0, 732163953Srrs "Should the CRC32c tables be warmed before checksum?"); 733163953Srrs 734163953SrrsSYSCTL_INT(_net_inet_sctp, OID_AUTO, abort_at_limit, CTLFLAG_RW, 735163953Srrs &sctp_abort_if_one_2_one_hits_limit, 0, 736163953Srrs "When one-2-one hits qlimit abort"); 737163953Srrs 738163953SrrsSYSCTL_INT(_net_inet_sctp, OID_AUTO, strict_data_order, CTLFLAG_RW, 739163953Srrs &sctp_strict_data_order, 0, 740163953Srrs "Enforce strict data ordering, abort if control inside data"); 741163953Srrs 742163953SrrsSYSCTL_STRUCT(_net_inet_sctp, OID_AUTO, stats, CTLFLAG_RW, 743163953Srrs &sctpstat, sctpstat, 744163953Srrs "SCTP statistics (struct sctps_stat, netinet/sctp.h"); 745163953Srrs#ifdef SCTP_DEBUG 746163953SrrsSYSCTL_INT(_net_inet_sctp, OID_AUTO, debug, CTLFLAG_RW, 747163953Srrs &sctp_debug_on, 0, "Configure debug output"); 748163953Srrs#endif /* SCTP_DEBUG */ 749163953Srrs 750163953Srrsstatic void 751163953Srrssctp_abort(struct socket *so) 752163953Srrs{ 753163953Srrs struct sctp_inpcb *inp; 754163953Srrs int s; 755163953Srrs uint32_t flags; 756163953Srrs 757163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 758163953Srrs if (inp == 0) 759163953Srrs return; 760163953Srrs 761163953Srrs s = splnet(); 762163953Srrssctp_must_try_again: 763163953Srrs flags = inp->sctp_flags; 764163953Srrs#ifdef SCTP_LOG_CLOSING 765163953Srrs sctp_log_closing(inp, NULL, 17); 766163953Srrs#endif 767163953Srrs if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 768163953Srrs (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 769163953Srrs#ifdef SCTP_LOG_CLOSING 770163953Srrs sctp_log_closing(inp, NULL, 16); 771163953Srrs#endif 772163953Srrs sctp_inpcb_free(inp, 1, 0); 773163953Srrs SOCK_LOCK(so); 774163953Srrs so->so_snd.sb_cc = 0; 775163953Srrs so->so_snd.sb_mb = NULL; 776163953Srrs so->so_snd.sb_mbcnt = 0; 777163953Srrs 778163953Srrs /* 779163953Srrs * same for the rcv ones, they are only here for the 780163953Srrs * accounting/select. 781163953Srrs */ 782163953Srrs so->so_rcv.sb_cc = 0; 783163953Srrs so->so_rcv.sb_mb = NULL; 784163953Srrs so->so_rcv.sb_mbcnt = 0; 785163953Srrs /* 786163953Srrs * Now null out the reference, we are completely detached. 787163953Srrs */ 788163953Srrs so->so_pcb = NULL; 789163953Srrs SOCK_UNLOCK(so); 790163953Srrs 791163953Srrs } else { 792163953Srrs flags = inp->sctp_flags; 793163953Srrs if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 794163953Srrs goto sctp_must_try_again; 795163953Srrs } 796163953Srrs } 797163953Srrs splx(s); 798163953Srrs return; 799163953Srrs} 800163953Srrs 801163953Srrsstatic int 802163953Srrssctp_attach(struct socket *so, int proto, struct thread *p) 803163953Srrs{ 804163953Srrs struct sctp_inpcb *inp; 805163953Srrs struct inpcb *ip_inp; 806163953Srrs int s, error; 807163953Srrs 808163953Srrs#ifdef IPSEC 809163953Srrs uint32_t flags; 810163953Srrs 811163953Srrs#endif 812163953Srrs s = splnet(); 813163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 814163953Srrs if (inp != 0) { 815163953Srrs splx(s); 816163953Srrs return EINVAL; 817163953Srrs } 818163953Srrs error = soreserve(so, sctp_sendspace, sctp_recvspace); 819163953Srrs if (error) { 820163953Srrs splx(s); 821163953Srrs return error; 822163953Srrs } 823163953Srrs error = sctp_inpcb_alloc(so); 824163953Srrs if (error) { 825163953Srrs splx(s); 826163953Srrs return error; 827163953Srrs } 828163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 829163953Srrs SCTP_INP_WLOCK(inp); 830163953Srrs 831163953Srrs inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 832163953Srrs ip_inp = &inp->ip_inp.inp; 833163953Srrs ip_inp->inp_vflag |= INP_IPV4; 834163953Srrs ip_inp->inp_ip_ttl = ip_defttl; 835163953Srrs 836163953Srrs#ifdef IPSEC 837163953Srrs error = ipsec_init_pcbpolicy(so, &ip_inp->inp_sp); 838163953Srrs#ifdef SCTP_LOG_CLOSING 839163953Srrs sctp_log_closing(inp, NULL, 17); 840163953Srrs#endif 841163953Srrs if (error != 0) { 842163953Srrs flags = inp->sctp_flags; 843163953Srrs if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 844163953Srrs (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 845163953Srrs#ifdef SCTP_LOG_CLOSING 846163953Srrs sctp_log_closing(inp, NULL, 15); 847163953Srrs#endif 848163953Srrs sctp_inpcb_free(inp, 1, 0); 849163953Srrs } 850163953Srrs return error; 851163953Srrs } 852163953Srrs#endif /* IPSEC */ 853163953Srrs SCTP_INP_WUNLOCK(inp); 854163953Srrs splx(s); 855163953Srrs return 0; 856163953Srrs} 857163953Srrs 858163953Srrsstatic int 859163953Srrssctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 860163953Srrs{ 861163953Srrs struct sctp_inpcb *inp; 862163953Srrs int s, error; 863163953Srrs 864163953Srrs#ifdef INET6 865163953Srrs if (addr && addr->sa_family != AF_INET) 866163953Srrs /* must be a v4 address! */ 867163953Srrs return EINVAL; 868163953Srrs#endif /* INET6 */ 869163953Srrs 870163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 871163953Srrs if (inp == 0) 872163953Srrs return EINVAL; 873163953Srrs 874163953Srrs s = splnet(); 875163953Srrs error = sctp_inpcb_bind(so, addr, p); 876163953Srrs splx(s); 877163953Srrs return error; 878163953Srrs} 879163953Srrs 880163953Srrsstatic void 881163953Srrssctp_close(struct socket *so) 882163953Srrs{ 883163953Srrs struct sctp_inpcb *inp; 884163953Srrs uint32_t flags; 885163953Srrs 886163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 887163953Srrs if (inp == 0) 888163953Srrs return; 889163953Srrs 890163953Srrs /* 891163953Srrs * Inform all the lower layer assoc that we are done. 892163953Srrs */ 893163953Srrssctp_must_try_again: 894163953Srrs flags = inp->sctp_flags; 895163953Srrs#ifdef SCTP_LOG_CLOSING 896163953Srrs sctp_log_closing(inp, NULL, 17); 897163953Srrs#endif 898163953Srrs if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 899163953Srrs (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 900163953Srrs if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 901163953Srrs (so->so_rcv.sb_cc > 0)) { 902163953Srrs#ifdef SCTP_LOG_CLOSING 903163953Srrs sctp_log_closing(inp, NULL, 13); 904163953Srrs#endif 905163953Srrs sctp_inpcb_free(inp, 1, 1); 906163953Srrs } else { 907163953Srrs#ifdef SCTP_LOG_CLOSING 908163953Srrs sctp_log_closing(inp, NULL, 14); 909163953Srrs#endif 910163953Srrs sctp_inpcb_free(inp, 0, 1); 911163953Srrs } 912163953Srrs /* 913163953Srrs * The socket is now detached, no matter what the state of 914163953Srrs * the SCTP association. 915163953Srrs */ 916163953Srrs SOCK_LOCK(so); 917163953Srrs so->so_snd.sb_cc = 0; 918163953Srrs so->so_snd.sb_mb = NULL; 919163953Srrs so->so_snd.sb_mbcnt = 0; 920163953Srrs 921163953Srrs /* 922163953Srrs * same for the rcv ones, they are only here for the 923163953Srrs * accounting/select. 924163953Srrs */ 925163953Srrs so->so_rcv.sb_cc = 0; 926163953Srrs so->so_rcv.sb_mb = NULL; 927163953Srrs so->so_rcv.sb_mbcnt = 0; 928163953Srrs /* 929163953Srrs * Now null out the reference, we are completely detached. 930163953Srrs */ 931163953Srrs so->so_pcb = NULL; 932163953Srrs SOCK_UNLOCK(so); 933163953Srrs } else { 934163953Srrs flags = inp->sctp_flags; 935163953Srrs if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 936163953Srrs goto sctp_must_try_again; 937163953Srrs } 938163953Srrs } 939163953Srrs return; 940163953Srrs} 941163953Srrs 942163953Srrs 943163953Srrsint 944163953Srrssctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 945163953Srrs struct mbuf *control, struct thread *p); 946163953Srrs 947163953Srrs 948163953Srrsint 949163953Srrssctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 950163953Srrs struct mbuf *control, struct thread *p) 951163953Srrs{ 952163953Srrs struct sctp_inpcb *inp; 953163953Srrs int error; 954163953Srrs 955163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 956163953Srrs if (inp == 0) { 957163953Srrs if (control) { 958163953Srrs sctp_m_freem(control); 959163953Srrs control = NULL; 960163953Srrs } 961163953Srrs sctp_m_freem(m); 962163953Srrs return EINVAL; 963163953Srrs } 964163953Srrs /* Got to have an to address if we are NOT a connected socket */ 965163953Srrs if ((addr == NULL) && 966163953Srrs ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 967163953Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE)) 968163953Srrs ) { 969163953Srrs goto connected_type; 970163953Srrs } else if (addr == NULL) { 971163953Srrs error = EDESTADDRREQ; 972163953Srrs sctp_m_freem(m); 973163953Srrs if (control) { 974163953Srrs sctp_m_freem(control); 975163953Srrs control = NULL; 976163953Srrs } 977163953Srrs return (error); 978163953Srrs } 979163953Srrs#ifdef INET6 980163953Srrs if (addr->sa_family != AF_INET) { 981163953Srrs /* must be a v4 address! */ 982163953Srrs sctp_m_freem(m); 983163953Srrs if (control) { 984163953Srrs sctp_m_freem(control); 985163953Srrs control = NULL; 986163953Srrs } 987163953Srrs error = EDESTADDRREQ; 988163953Srrs return EINVAL; 989163953Srrs } 990163953Srrs#endif /* INET6 */ 991163953Srrsconnected_type: 992163953Srrs /* now what about control */ 993163953Srrs if (control) { 994163953Srrs if (inp->control) { 995163953Srrs printf("huh? control set?\n"); 996163953Srrs sctp_m_freem(inp->control); 997163953Srrs inp->control = NULL; 998163953Srrs } 999163953Srrs inp->control = control; 1000163953Srrs } 1001163953Srrs /* add it in possibly */ 1002163953Srrs if ((inp->pkt) && (inp->pkt->m_flags & M_PKTHDR)) { 1003163953Srrs struct mbuf *x; 1004163953Srrs int c_len; 1005163953Srrs 1006163953Srrs c_len = 0; 1007163953Srrs /* How big is it */ 1008163953Srrs for (x = m; x; x = x->m_next) { 1009163953Srrs c_len += x->m_len; 1010163953Srrs } 1011163953Srrs inp->pkt->m_pkthdr.len += c_len; 1012163953Srrs } 1013163953Srrs /* Place the data */ 1014163953Srrs if (inp->pkt) { 1015163953Srrs inp->pkt_last->m_next = m; 1016163953Srrs inp->pkt_last = m; 1017163953Srrs } else { 1018163953Srrs inp->pkt_last = inp->pkt = m; 1019163953Srrs } 1020163953Srrs if ( 1021163953Srrs /* FreeBSD uses a flag passed */ 1022163953Srrs ((flags & PRUS_MORETOCOME) == 0) 1023163953Srrs ) { 1024163953Srrs /* 1025163953Srrs * note with the current version this code will only be used 1026163953Srrs * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 1027163953Srrs * re-defining sosend to use the sctp_sosend. One can 1028163953Srrs * optionally switch back to this code (by changing back the 1029163953Srrs * definitions) but this is not advisable. This code is used 1030163953Srrs * by FreeBSD when sending a file with sendfile() though. 1031163953Srrs */ 1032163953Srrs int ret; 1033163953Srrs 1034163953Srrs ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 1035163953Srrs inp->pkt = NULL; 1036163953Srrs inp->control = NULL; 1037163953Srrs return (ret); 1038163953Srrs } else { 1039163953Srrs return (0); 1040163953Srrs } 1041163953Srrs} 1042163953Srrs 1043163953Srrsstatic int 1044163953Srrssctp_disconnect(struct socket *so) 1045163953Srrs{ 1046163953Srrs struct sctp_inpcb *inp; 1047163953Srrs int s; 1048163953Srrs 1049163953Srrs s = splnet(); 1050163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 1051163953Srrs if (inp == NULL) { 1052163953Srrs splx(s); 1053163953Srrs return (ENOTCONN); 1054163953Srrs } 1055163953Srrs SCTP_INP_RLOCK(inp); 1056163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1057163953Srrs if (LIST_EMPTY(&inp->sctp_asoc_list)) { 1058163953Srrs /* No connection */ 1059163953Srrs splx(s); 1060163953Srrs SCTP_INP_RUNLOCK(inp); 1061163953Srrs return (0); 1062163953Srrs } else { 1063163953Srrs struct sctp_association *asoc; 1064163953Srrs struct sctp_tcb *stcb; 1065163953Srrs 1066163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 1067163953Srrs if (stcb == NULL) { 1068163953Srrs splx(s); 1069163953Srrs SCTP_INP_RUNLOCK(inp); 1070163953Srrs return (EINVAL); 1071163953Srrs } 1072163953Srrs SCTP_TCB_LOCK(stcb); 1073163953Srrs asoc = &stcb->asoc; 1074163953Srrs if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 1075163953Srrs /* We are about to be freed, out of here */ 1076163953Srrs SCTP_TCB_UNLOCK(stcb); 1077163953Srrs SCTP_INP_RUNLOCK(inp); 1078163953Srrs return (0); 1079163953Srrs } 1080163953Srrs if (((so->so_options & SO_LINGER) && 1081163953Srrs (so->so_linger == 0)) || 1082163953Srrs (so->so_rcv.sb_cc > 0)) { 1083163953Srrs if (SCTP_GET_STATE(asoc) != 1084163953Srrs SCTP_STATE_COOKIE_WAIT) { 1085163953Srrs /* Left with Data unread */ 1086163953Srrs struct mbuf *err; 1087163953Srrs 1088163953Srrs err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_DONTWAIT, 1, MT_DATA); 1089163953Srrs if (err) { 1090163953Srrs /* 1091163953Srrs * Fill in the user 1092163953Srrs * initiated abort 1093163953Srrs */ 1094163953Srrs struct sctp_paramhdr *ph; 1095163953Srrs 1096163953Srrs ph = mtod(err, struct sctp_paramhdr *); 1097163953Srrs err->m_len = sizeof(struct sctp_paramhdr); 1098163953Srrs ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT); 1099163953Srrs ph->param_length = htons(err->m_len); 1100163953Srrs } 1101163953Srrs sctp_send_abort_tcb(stcb, err); 1102163953Srrs SCTP_STAT_INCR_COUNTER32(sctps_aborted); 1103163953Srrs } 1104163953Srrs SCTP_INP_RUNLOCK(inp); 1105163953Srrs if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 1106163953Srrs (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 1107163953Srrs SCTP_STAT_DECR_GAUGE32(sctps_currestab); 1108163953Srrs } 1109163953Srrs sctp_free_assoc(inp, stcb, 0); 1110163953Srrs /* No unlock tcb assoc is gone */ 1111163953Srrs splx(s); 1112163953Srrs return (0); 1113163953Srrs } 1114163953Srrs if (TAILQ_EMPTY(&asoc->send_queue) && 1115163953Srrs TAILQ_EMPTY(&asoc->sent_queue) && 1116163953Srrs (asoc->stream_queue_cnt == 0)) { 1117163953Srrs /* there is nothing queued to send, so done */ 1118163953Srrs if (asoc->locked_on_sending) { 1119163953Srrs goto abort_anyway; 1120163953Srrs } 1121163953Srrs if ((SCTP_GET_STATE(asoc) != 1122163953Srrs SCTP_STATE_SHUTDOWN_SENT) && 1123163953Srrs (SCTP_GET_STATE(asoc) != 1124163953Srrs SCTP_STATE_SHUTDOWN_ACK_SENT)) { 1125163953Srrs /* only send SHUTDOWN 1st time thru */ 1126163953Srrs sctp_stop_timers_for_shutdown(stcb); 1127163953Srrs sctp_send_shutdown(stcb, 1128163953Srrs stcb->asoc.primary_destination); 1129163953Srrs sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3); 1130163953Srrs asoc->state = SCTP_STATE_SHUTDOWN_SENT; 1131163953Srrs SCTP_STAT_DECR_GAUGE32(sctps_currestab); 1132163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 1133163953Srrs stcb->sctp_ep, stcb, 1134163953Srrs asoc->primary_destination); 1135163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 1136163953Srrs stcb->sctp_ep, stcb, 1137163953Srrs asoc->primary_destination); 1138163953Srrs } 1139163953Srrs } else { 1140163953Srrs /* 1141163953Srrs * we still got (or just got) data to send, 1142163953Srrs * so set SHUTDOWN_PENDING 1143163953Srrs */ 1144163953Srrs /* 1145163953Srrs * XXX sockets draft says that SCTP_EOF 1146163953Srrs * should be sent with no data. currently, 1147163953Srrs * we will allow user data to be sent first 1148163953Srrs * and move to SHUTDOWN-PENDING 1149163953Srrs */ 1150163953Srrs asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 1151163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 1152163953Srrs asoc->primary_destination); 1153163953Srrs if (asoc->locked_on_sending) { 1154163953Srrs /* Locked to send out the data */ 1155163953Srrs struct sctp_stream_queue_pending *sp; 1156163953Srrs 1157163953Srrs sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 1158163953Srrs if (sp == NULL) { 1159163959Srrs printf("Error, sp is NULL, locked on sending is non-null strm:%d\n", 1160163953Srrs asoc->locked_on_sending->stream_no); 1161163953Srrs } else { 1162163953Srrs if ((sp->length == 0) && (sp->msg_is_complete == 0)) 1163163953Srrs asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 1164163953Srrs } 1165163953Srrs } 1166163953Srrs if (TAILQ_EMPTY(&asoc->send_queue) && 1167163953Srrs TAILQ_EMPTY(&asoc->sent_queue) && 1168163953Srrs (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 1169163953Srrs struct mbuf *op_err; 1170163953Srrs 1171163953Srrs abort_anyway: 1172163953Srrs op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)), 1173163953Srrs 0, M_DONTWAIT, 1, MT_DATA); 1174163953Srrs if (op_err) { 1175163953Srrs /* 1176163953Srrs * Fill in the user 1177163953Srrs * initiated abort 1178163953Srrs */ 1179163953Srrs struct sctp_paramhdr *ph; 1180163953Srrs uint32_t *ippp; 1181163953Srrs 1182163953Srrs op_err->m_len = 1183163953Srrs (sizeof(struct sctp_paramhdr) + sizeof(uint32_t)); 1184163953Srrs ph = mtod(op_err, 1185163953Srrs struct sctp_paramhdr *); 1186163953Srrs ph->param_type = htons( 1187163953Srrs SCTP_CAUSE_USER_INITIATED_ABT); 1188163953Srrs ph->param_length = htons(op_err->m_len); 1189163953Srrs ippp = (uint32_t *) (ph + 1); 1190163953Srrs *ippp = htonl(0x30000007); 1191163953Srrs } 1192163953Srrs sctp_send_abort_tcb(stcb, op_err); 1193163953Srrs SCTP_STAT_INCR_COUNTER32(sctps_aborted); 1194163953Srrs if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 1195163953Srrs (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 1196163953Srrs SCTP_STAT_DECR_GAUGE32(sctps_currestab); 1197163953Srrs } 1198163953Srrs SCTP_INP_RUNLOCK(inp); 1199163953Srrs sctp_free_assoc(inp, stcb, 0); 1200163953Srrs splx(s); 1201163953Srrs return (0); 1202163953Srrs } 1203163953Srrs } 1204163953Srrs SCTP_TCB_UNLOCK(stcb); 1205163953Srrs SCTP_INP_RUNLOCK(inp); 1206163953Srrs splx(s); 1207163953Srrs return (0); 1208163953Srrs } 1209163953Srrs /* not reached */ 1210163953Srrs } else { 1211163953Srrs /* UDP model does not support this */ 1212163953Srrs SCTP_INP_RUNLOCK(inp); 1213163953Srrs splx(s); 1214163953Srrs return EOPNOTSUPP; 1215163953Srrs } 1216163953Srrs} 1217163953Srrs 1218163953Srrsint 1219163953Srrssctp_shutdown(struct socket *so) 1220163953Srrs{ 1221163953Srrs struct sctp_inpcb *inp; 1222163953Srrs int s; 1223163953Srrs 1224163953Srrs s = splnet(); 1225163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 1226163953Srrs if (inp == 0) { 1227163953Srrs splx(s); 1228163953Srrs return EINVAL; 1229163953Srrs } 1230163953Srrs SCTP_INP_RLOCK(inp); 1231163953Srrs /* For UDP model this is a invalid call */ 1232163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 1233163953Srrs /* Restore the flags that the soshutdown took away. */ 1234163953Srrs so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 1235163953Srrs /* This proc will wakeup for read and do nothing (I hope) */ 1236163953Srrs splx(s); 1237163953Srrs SCTP_INP_RUNLOCK(inp); 1238163953Srrs return (EOPNOTSUPP); 1239163953Srrs } 1240163953Srrs /* 1241163953Srrs * Ok if we reach here its the TCP model and it is either a SHUT_WR 1242163953Srrs * or SHUT_RDWR. This means we put the shutdown flag against it. 1243163953Srrs */ 1244163953Srrs { 1245163953Srrs struct sctp_tcb *stcb; 1246163953Srrs struct sctp_association *asoc; 1247163953Srrs 1248163953Srrs socantsendmore(so); 1249163953Srrs 1250163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 1251163953Srrs if (stcb == NULL) { 1252163953Srrs /* 1253163953Srrs * Ok we hit the case that the shutdown call was 1254163953Srrs * made after an abort or something. Nothing to do 1255163953Srrs * now. 1256163953Srrs */ 1257163953Srrs splx(s); 1258163953Srrs return (0); 1259163953Srrs } 1260163953Srrs SCTP_TCB_LOCK(stcb); 1261163953Srrs asoc = &stcb->asoc; 1262163953Srrs if (TAILQ_EMPTY(&asoc->send_queue) && 1263163953Srrs TAILQ_EMPTY(&asoc->sent_queue) && 1264163953Srrs (asoc->stream_queue_cnt == 0)) { 1265163953Srrs if (asoc->locked_on_sending) { 1266163953Srrs goto abort_anyway; 1267163953Srrs } 1268163953Srrs /* there is nothing queued to send, so I'm done... */ 1269163953Srrs if (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) { 1270163953Srrs /* only send SHUTDOWN the first time through */ 1271163953Srrs sctp_stop_timers_for_shutdown(stcb); 1272163953Srrs sctp_send_shutdown(stcb, 1273163953Srrs stcb->asoc.primary_destination); 1274163953Srrs sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3); 1275163953Srrs asoc->state = SCTP_STATE_SHUTDOWN_SENT; 1276163953Srrs SCTP_STAT_DECR_GAUGE32(sctps_currestab); 1277163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 1278163953Srrs stcb->sctp_ep, stcb, 1279163953Srrs asoc->primary_destination); 1280163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 1281163953Srrs stcb->sctp_ep, stcb, 1282163953Srrs asoc->primary_destination); 1283163953Srrs } 1284163953Srrs } else { 1285163953Srrs /* 1286163953Srrs * we still got (or just got) data to send, so set 1287163953Srrs * SHUTDOWN_PENDING 1288163953Srrs */ 1289163953Srrs asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 1290163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 1291163953Srrs asoc->primary_destination); 1292163953Srrs 1293163953Srrs if (asoc->locked_on_sending) { 1294163953Srrs /* Locked to send out the data */ 1295163953Srrs struct sctp_stream_queue_pending *sp; 1296163953Srrs 1297163953Srrs sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 1298163953Srrs if (sp == NULL) { 1299163959Srrs printf("Error, sp is NULL, locked on sending is non-null strm:%d\n", 1300163953Srrs asoc->locked_on_sending->stream_no); 1301163953Srrs } else { 1302163953Srrs if ((sp->length == 0) && (sp->msg_is_complete == 0)) { 1303163953Srrs asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 1304163953Srrs } 1305163953Srrs } 1306163953Srrs } 1307163953Srrs if (TAILQ_EMPTY(&asoc->send_queue) && 1308163953Srrs TAILQ_EMPTY(&asoc->sent_queue) && 1309163953Srrs (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 1310163953Srrs struct mbuf *op_err; 1311163953Srrs 1312163953Srrs abort_anyway: 1313163953Srrs op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)), 1314163953Srrs 0, M_DONTWAIT, 1, MT_DATA); 1315163953Srrs if (op_err) { 1316163953Srrs /* Fill in the user initiated abort */ 1317163953Srrs struct sctp_paramhdr *ph; 1318163953Srrs uint32_t *ippp; 1319163953Srrs 1320163953Srrs op_err->m_len = 1321163953Srrs sizeof(struct sctp_paramhdr) + sizeof(uint32_t); 1322163953Srrs ph = mtod(op_err, 1323163953Srrs struct sctp_paramhdr *); 1324163953Srrs ph->param_type = htons( 1325163953Srrs SCTP_CAUSE_USER_INITIATED_ABT); 1326163953Srrs ph->param_length = htons(op_err->m_len); 1327163953Srrs ippp = (uint32_t *) (ph + 1); 1328163953Srrs *ippp = htonl(0x30000008); 1329163953Srrs } 1330163953Srrs sctp_abort_an_association(stcb->sctp_ep, stcb, 1331163953Srrs SCTP_RESPONSE_TO_USER_REQ, 1332163953Srrs op_err); 1333163953Srrs goto skip_unlock; 1334163953Srrs } 1335163953Srrs } 1336163953Srrs SCTP_TCB_UNLOCK(stcb); 1337163953Srrs } 1338163953Srrsskip_unlock: 1339163953Srrs SCTP_INP_RUNLOCK(inp); 1340163953Srrs splx(s); 1341163953Srrs return 0; 1342163953Srrs} 1343163953Srrs 1344163953Srrs/* 1345163953Srrs * copies a "user" presentable address and removes embedded scope, etc. 1346163953Srrs * returns 0 on success, 1 on error 1347163953Srrs */ 1348163953Srrsstatic uint32_t 1349163953Srrssctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 1350163953Srrs{ 1351163953Srrs struct sockaddr_in6 lsa6; 1352163953Srrs 1353163953Srrs sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 1354163953Srrs &lsa6); 1355163953Srrs memcpy(ss, sa, sa->sa_len); 1356163953Srrs return (0); 1357163953Srrs} 1358163953Srrs 1359163953Srrs 1360163953Srrs 1361163953Srrsstatic int 1362163953Srrssctp_fill_up_addresses(struct sctp_inpcb *inp, 1363163953Srrs struct sctp_tcb *stcb, 1364163953Srrs int limit, 1365163953Srrs struct sockaddr_storage *sas) 1366163953Srrs{ 1367163953Srrs struct ifnet *ifn; 1368163953Srrs struct ifaddr *ifa; 1369163953Srrs int loopback_scope, ipv4_local_scope, local_scope, site_scope, actual; 1370163953Srrs int ipv4_addr_legal, ipv6_addr_legal; 1371163953Srrs 1372163953Srrs actual = 0; 1373163953Srrs if (limit <= 0) 1374163953Srrs return (actual); 1375163953Srrs 1376163953Srrs if (stcb) { 1377163953Srrs /* Turn on all the appropriate scope */ 1378163953Srrs loopback_scope = stcb->asoc.loopback_scope; 1379163953Srrs ipv4_local_scope = stcb->asoc.ipv4_local_scope; 1380163953Srrs local_scope = stcb->asoc.local_scope; 1381163953Srrs site_scope = stcb->asoc.site_scope; 1382163953Srrs } else { 1383163953Srrs /* Turn on ALL scope, since we look at the EP */ 1384163953Srrs loopback_scope = ipv4_local_scope = local_scope = 1385163953Srrs site_scope = 1; 1386163953Srrs } 1387163953Srrs ipv4_addr_legal = ipv6_addr_legal = 0; 1388163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1389163953Srrs ipv6_addr_legal = 1; 1390163953Srrs if ( 1391163953Srrs (((struct in6pcb *)inp)->inp_flags & IN6P_IPV6_V6ONLY) 1392163953Srrs == 0) { 1393163953Srrs ipv4_addr_legal = 1; 1394163953Srrs } 1395163953Srrs } else { 1396163953Srrs ipv4_addr_legal = 1; 1397163953Srrs } 1398163953Srrs 1399163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1400163953Srrs TAILQ_FOREACH(ifn, &ifnet, if_list) { 1401163953Srrs if ((loopback_scope == 0) && 1402163953Srrs (ifn->if_type == IFT_LOOP)) { 1403163953Srrs /* Skip loopback if loopback_scope not set */ 1404163953Srrs continue; 1405163953Srrs } 1406163953Srrs TAILQ_FOREACH(ifa, &ifn->if_addrlist, ifa_list) { 1407163953Srrs if (stcb) { 1408163953Srrs /* 1409163953Srrs * For the BOUND-ALL case, the list 1410163953Srrs * associated with a TCB is Always 1411163953Srrs * considered a reverse list.. i.e. 1412163953Srrs * it lists addresses that are NOT 1413163953Srrs * part of the association. If this 1414163953Srrs * is one of those we must skip it. 1415163953Srrs */ 1416163953Srrs if (sctp_is_addr_restricted(stcb, 1417163953Srrs ifa->ifa_addr)) { 1418163953Srrs continue; 1419163953Srrs } 1420163953Srrs } 1421163953Srrs if ((ifa->ifa_addr->sa_family == AF_INET) && 1422163953Srrs (ipv4_addr_legal)) { 1423163953Srrs struct sockaddr_in *sin; 1424163953Srrs 1425163953Srrs sin = (struct sockaddr_in *)ifa->ifa_addr; 1426163953Srrs if (sin->sin_addr.s_addr == 0) { 1427163953Srrs /* 1428163953Srrs * we skip unspecifed 1429163953Srrs * addresses 1430163953Srrs */ 1431163953Srrs continue; 1432163953Srrs } 1433163953Srrs if ((ipv4_local_scope == 0) && 1434163953Srrs (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1435163953Srrs continue; 1436163953Srrs } 1437163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_NEEDS_MAPPED_V4) { 1438163953Srrs in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1439163953Srrs ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1440163953Srrs sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1441163953Srrs actual += sizeof(sizeof(struct sockaddr_in6)); 1442163953Srrs } else { 1443163953Srrs memcpy(sas, sin, sizeof(*sin)); 1444163953Srrs ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1445163953Srrs sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin)); 1446163953Srrs actual += sizeof(*sin); 1447163953Srrs } 1448163953Srrs if (actual >= limit) { 1449163953Srrs return (actual); 1450163953Srrs } 1451163953Srrs } else if ((ifa->ifa_addr->sa_family == AF_INET6) && 1452163953Srrs (ipv6_addr_legal)) { 1453163953Srrs struct sockaddr_in6 *sin6; 1454163953Srrs 1455163953Srrs sin6 = (struct sockaddr_in6 *)ifa->ifa_addr; 1456163953Srrs if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1457163953Srrs /* 1458163953Srrs * we skip unspecifed 1459163953Srrs * addresses 1460163953Srrs */ 1461163953Srrs continue; 1462163953Srrs } 1463163953Srrs if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1464163953Srrs if (local_scope == 0) 1465163953Srrs continue; 1466163953Srrs if (sin6->sin6_scope_id == 0) { 1467163953Srrs if (sa6_recoverscope(sin6) != 0) 1468163953Srrs /* 1469163953Srrs * bad link 1470163953Srrs * local 1471163953Srrs * address 1472163953Srrs */ 1473163953Srrs continue; 1474163953Srrs } 1475163953Srrs } 1476163953Srrs if ((site_scope == 0) && 1477163953Srrs (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1478163953Srrs continue; 1479163953Srrs } 1480163953Srrs memcpy(sas, sin6, sizeof(*sin6)); 1481163953Srrs ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1482163953Srrs sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6)); 1483163953Srrs actual += sizeof(*sin6); 1484163953Srrs if (actual >= limit) { 1485163953Srrs return (actual); 1486163953Srrs } 1487163953Srrs } 1488163953Srrs } 1489163953Srrs } 1490163953Srrs } else { 1491163953Srrs struct sctp_laddr *laddr; 1492163953Srrs 1493163953Srrs /* 1494163953Srrs * If we have a TCB and we do NOT support ASCONF (it's 1495163953Srrs * turned off or otherwise) then the list is always the true 1496163953Srrs * list of addresses (the else case below). Otherwise the 1497163953Srrs * list on the association is a list of addresses that are 1498163953Srrs * NOT part of the association. 1499163953Srrs */ 1500163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DO_ASCONF)) { 1501163953Srrs /* The list is a NEGATIVE list */ 1502163953Srrs LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1503163953Srrs if (stcb) { 1504163953Srrs if (sctp_is_addr_restricted(stcb, laddr->ifa->ifa_addr)) { 1505163953Srrs continue; 1506163953Srrs } 1507163953Srrs } 1508163953Srrs if (sctp_fill_user_address(sas, laddr->ifa->ifa_addr)) 1509163953Srrs continue; 1510163953Srrs 1511163953Srrs ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1512163953Srrs sas = (struct sockaddr_storage *)((caddr_t)sas + 1513163953Srrs laddr->ifa->ifa_addr->sa_len); 1514163953Srrs actual += laddr->ifa->ifa_addr->sa_len; 1515163953Srrs if (actual >= limit) { 1516163953Srrs return (actual); 1517163953Srrs } 1518163953Srrs } 1519163953Srrs } else { 1520163953Srrs /* The list is a positive list if present */ 1521163953Srrs if (stcb) { 1522163953Srrs /* Must use the specific association list */ 1523163953Srrs LIST_FOREACH(laddr, &stcb->asoc.sctp_local_addr_list, 1524163953Srrs sctp_nxt_addr) { 1525163953Srrs if (sctp_fill_user_address(sas, 1526163953Srrs laddr->ifa->ifa_addr)) 1527163953Srrs continue; 1528163953Srrs ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1529163953Srrs sas = (struct sockaddr_storage *)((caddr_t)sas + 1530163953Srrs laddr->ifa->ifa_addr->sa_len); 1531163953Srrs actual += laddr->ifa->ifa_addr->sa_len; 1532163953Srrs if (actual >= limit) { 1533163953Srrs return (actual); 1534163953Srrs } 1535163953Srrs } 1536163953Srrs } else { 1537163953Srrs /* 1538163953Srrs * No endpoint so use the endpoints 1539163953Srrs * individual list 1540163953Srrs */ 1541163953Srrs LIST_FOREACH(laddr, &inp->sctp_addr_list, 1542163953Srrs sctp_nxt_addr) { 1543163953Srrs if (sctp_fill_user_address(sas, 1544163953Srrs laddr->ifa->ifa_addr)) 1545163953Srrs continue; 1546163953Srrs ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1547163953Srrs sas = (struct sockaddr_storage *)((caddr_t)sas + 1548163953Srrs laddr->ifa->ifa_addr->sa_len); 1549163953Srrs actual += laddr->ifa->ifa_addr->sa_len; 1550163953Srrs if (actual >= limit) { 1551163953Srrs return (actual); 1552163953Srrs } 1553163953Srrs } 1554163953Srrs } 1555163953Srrs } 1556163953Srrs } 1557163953Srrs return (actual); 1558163953Srrs} 1559163953Srrs 1560163953Srrsstatic int 1561163953Srrssctp_count_max_addresses(struct sctp_inpcb *inp) 1562163953Srrs{ 1563163953Srrs int cnt = 0; 1564163953Srrs 1565163953Srrs /* 1566163953Srrs * In both sub-set bound an bound_all cases we return the MAXIMUM 1567163953Srrs * number of addresses that you COULD get. In reality the sub-set 1568163953Srrs * bound may have an exclusion list for a given TCB OR in the 1569163953Srrs * bound-all case a TCB may NOT include the loopback or other 1570163953Srrs * addresses as well. 1571163953Srrs */ 1572163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1573163953Srrs struct ifnet *ifn; 1574163953Srrs struct ifaddr *ifa; 1575163953Srrs 1576163953Srrs TAILQ_FOREACH(ifn, &ifnet, if_list) { 1577163953Srrs TAILQ_FOREACH(ifa, &ifn->if_addrlist, ifa_list) { 1578163953Srrs /* Count them if they are the right type */ 1579163953Srrs if (ifa->ifa_addr->sa_family == AF_INET) { 1580163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_NEEDS_MAPPED_V4) 1581163953Srrs cnt += sizeof(struct sockaddr_in6); 1582163953Srrs else 1583163953Srrs cnt += sizeof(struct sockaddr_in); 1584163953Srrs 1585163953Srrs } else if (ifa->ifa_addr->sa_family == AF_INET6) 1586163953Srrs cnt += sizeof(struct sockaddr_in6); 1587163953Srrs } 1588163953Srrs } 1589163953Srrs } else { 1590163953Srrs struct sctp_laddr *laddr; 1591163953Srrs 1592163953Srrs LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1593163953Srrs if (laddr->ifa->ifa_addr->sa_family == AF_INET) { 1594163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_NEEDS_MAPPED_V4) 1595163953Srrs cnt += sizeof(struct sockaddr_in6); 1596163953Srrs else 1597163953Srrs cnt += sizeof(struct sockaddr_in); 1598163953Srrs 1599163953Srrs } else if (laddr->ifa->ifa_addr->sa_family == AF_INET6) 1600163953Srrs cnt += sizeof(struct sockaddr_in6); 1601163953Srrs } 1602163953Srrs } 1603163953Srrs return (cnt); 1604163953Srrs} 1605163953Srrs 1606163953Srrsstatic int 1607163953Srrssctp_do_connect_x(struct socket *so, 1608163953Srrs struct sctp_inpcb *inp, 1609163953Srrs struct mbuf *m, 1610163953Srrs struct thread *p, 1611163953Srrs int delay 1612163953Srrs) 1613163953Srrs{ 1614163953Srrs int s = splnet(); 1615163953Srrs 1616163953Srrs int error = 0; 1617163953Srrs int creat_lock_on = 0; 1618163953Srrs struct sctp_tcb *stcb = NULL; 1619163953Srrs struct sockaddr *sa; 1620163953Srrs int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr, i, incr, at; 1621163953Srrs 1622163953Srrs#ifdef SCTP_DEBUG 1623163953Srrs if (sctp_debug_on & SCTP_DEBUG_PCB1) { 1624163953Srrs printf("Connectx called\n"); 1625163953Srrs } 1626163953Srrs#endif /* SCTP_DEBUG */ 1627163953Srrs 1628163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1629163953Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1630163953Srrs /* We are already connected AND the TCP model */ 1631163953Srrs splx(s); 1632163953Srrs return (EADDRINUSE); 1633163953Srrs } 1634163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) { 1635163953Srrs splx(s); 1636163953Srrs return (EINVAL); 1637163953Srrs } 1638163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1639163953Srrs SCTP_INP_RLOCK(inp); 1640163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 1641163953Srrs SCTP_INP_RUNLOCK(inp); 1642163953Srrs } 1643163953Srrs if (stcb) { 1644163953Srrs splx(s); 1645163953Srrs return (EALREADY); 1646163953Srrs 1647163953Srrs } 1648163953Srrs SCTP_INP_INCR_REF(inp); 1649163953Srrs SCTP_ASOC_CREATE_LOCK(inp); 1650163953Srrs creat_lock_on = 1; 1651163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1652163953Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1653163953Srrs error = EFAULT; 1654163953Srrs goto out_now; 1655163953Srrs } 1656163953Srrs totaddrp = mtod(m, int *); 1657163953Srrs totaddr = *totaddrp; 1658163953Srrs sa = (struct sockaddr *)(totaddrp + 1); 1659163953Srrs at = incr = 0; 1660163953Srrs /* account and validate addresses */ 1661163953Srrs for (i = 0; i < totaddr; i++) { 1662163953Srrs if (sa->sa_family == AF_INET) { 1663163953Srrs num_v4++; 1664163953Srrs incr = sizeof(struct sockaddr_in); 1665163953Srrs } else if (sa->sa_family == AF_INET6) { 1666163953Srrs struct sockaddr_in6 *sin6; 1667163953Srrs 1668163953Srrs sin6 = (struct sockaddr_in6 *)sa; 1669163953Srrs if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 1670163953Srrs /* Must be non-mapped for connectx */ 1671163953Srrs error = EINVAL; 1672163953Srrs goto out_now; 1673163953Srrs } 1674163953Srrs num_v6++; 1675163953Srrs incr = sizeof(struct sockaddr_in6); 1676163953Srrs } else { 1677163953Srrs totaddr = i; 1678163953Srrs break; 1679163953Srrs } 1680163953Srrs stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 1681163953Srrs if (stcb != NULL) { 1682163953Srrs /* Already have or am bring up an association */ 1683163953Srrs SCTP_ASOC_CREATE_UNLOCK(inp); 1684163953Srrs creat_lock_on = 0; 1685163953Srrs SCTP_TCB_UNLOCK(stcb); 1686163953Srrs error = EALREADY; 1687163953Srrs goto out_now; 1688163953Srrs } 1689163953Srrs if ((at + incr) > m->m_len) { 1690163953Srrs totaddr = i; 1691163953Srrs break; 1692163953Srrs } 1693163953Srrs sa = (struct sockaddr *)((caddr_t)sa + incr); 1694163953Srrs } 1695163953Srrs sa = (struct sockaddr *)(totaddrp + 1); 1696163953Srrs#ifdef INET6 1697163953Srrs if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1698163953Srrs (num_v6 > 0)) { 1699163953Srrs splx(s); 1700163953Srrs error = EINVAL; 1701163953Srrs goto out_now; 1702163953Srrs } 1703163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1704163953Srrs (num_v4 > 0)) { 1705163953Srrs struct in6pcb *inp6; 1706163953Srrs 1707163953Srrs inp6 = (struct in6pcb *)inp; 1708163953Srrs if ( 1709163953Srrs (inp6->inp_flags & IN6P_IPV6_V6ONLY) 1710163953Srrs ) { 1711163953Srrs /* 1712163953Srrs * if IPV6_V6ONLY flag, ignore connections destined 1713163953Srrs * to a v4 addr or v4-mapped addr 1714163953Srrs */ 1715163953Srrs error = EINVAL; 1716163953Srrs goto out_now; 1717163953Srrs } 1718163953Srrs } 1719163953Srrs#endif /* INET6 */ 1720163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1721163953Srrs SCTP_PCB_FLAGS_UNBOUND) { 1722163953Srrs /* Bind a ephemeral port */ 1723163953Srrs SCTP_INP_WUNLOCK(inp); 1724163953Srrs error = sctp_inpcb_bind(so, NULL, p); 1725163953Srrs if (error) { 1726163953Srrs goto out_now; 1727163953Srrs } 1728163953Srrs } else { 1729163953Srrs SCTP_INP_WUNLOCK(inp); 1730163953Srrs } 1731163953Srrs 1732163953Srrs /* We are GOOD to go */ 1733163953Srrs stcb = sctp_aloc_assoc(inp, sa, 1, &error, 0); 1734163953Srrs if (stcb == NULL) { 1735163953Srrs /* Gak! no memory */ 1736163953Srrs error = ENOMEM; 1737163953Srrs goto out_now; 1738163953Srrs } 1739163953Srrs /* move to second address */ 1740163953Srrs if (sa->sa_family == AF_INET) 1741163953Srrs sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1742163953Srrs else 1743163953Srrs sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1744163953Srrs 1745163953Srrs for (i = 1; i < totaddr; i++) { 1746163953Srrs if (sa->sa_family == AF_INET) { 1747163953Srrs incr = sizeof(struct sockaddr_in); 1748163953Srrs if (sctp_add_remote_addr(stcb, sa, 0, 8)) { 1749163953Srrs /* assoc gone no un-lock */ 1750163953Srrs sctp_free_assoc(inp, stcb, 0); 1751163953Srrs error = ENOBUFS; 1752163953Srrs goto out_now; 1753163953Srrs } 1754163953Srrs } else if (sa->sa_family == AF_INET6) { 1755163953Srrs incr = sizeof(struct sockaddr_in6); 1756163953Srrs if (sctp_add_remote_addr(stcb, sa, 0, 8)) { 1757163953Srrs /* assoc gone no un-lock */ 1758163953Srrs sctp_free_assoc(inp, stcb, 0); 1759163953Srrs error = ENOBUFS; 1760163953Srrs goto out_now; 1761163953Srrs } 1762163953Srrs } 1763163953Srrs sa = (struct sockaddr *)((caddr_t)sa + incr); 1764163953Srrs } 1765163953Srrs stcb->asoc.state = SCTP_STATE_COOKIE_WAIT; 1766163953Srrs 1767163953Srrs /* initialize authentication parameters for the assoc */ 1768163953Srrs sctp_initialize_auth_params(inp, stcb); 1769163953Srrs 1770163953Srrs if (delay) { 1771163953Srrs /* doing delayed connection */ 1772163953Srrs stcb->asoc.delayed_connection = 1; 1773163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1774163953Srrs } else { 1775163953Srrs SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1776163953Srrs sctp_send_initiate(inp, stcb); 1777163953Srrs } 1778163953Srrs SCTP_TCB_UNLOCK(stcb); 1779163953Srrs if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1780163953Srrs stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1781163953Srrs /* Set the connected flag so we can queue data */ 1782163953Srrs soisconnecting(so); 1783163953Srrs } 1784163953Srrsout_now: 1785163953Srrs if (creat_lock_on) 1786163953Srrs SCTP_ASOC_CREATE_UNLOCK(inp); 1787163953Srrs SCTP_INP_DECR_REF(inp); 1788163953Srrs splx(s); 1789163953Srrs return error; 1790163953Srrs} 1791163953Srrs 1792163953Srrs 1793163953Srrs 1794163953Srrsstatic int 1795163953Srrssctp_optsget(struct socket *so, 1796163953Srrs int opt, 1797163953Srrs struct mbuf **mp, 1798163953Srrs struct thread *p 1799163953Srrs) 1800163953Srrs{ 1801163953Srrs struct sctp_inpcb *inp; 1802163953Srrs struct mbuf *m; 1803163953Srrs int error, optval = 0; 1804163953Srrs struct sctp_tcb *stcb = NULL; 1805163953Srrs 1806163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 1807163953Srrs if (inp == 0) 1808163953Srrs return EINVAL; 1809163953Srrs error = 0; 1810163953Srrs 1811163953Srrs if (mp == NULL) { 1812163953Srrs return (EINVAL); 1813163953Srrs } 1814163953Srrs m = *mp; 1815163953Srrs if (m == NULL) { 1816163953Srrs /* Got to have a mbuf */ 1817163953Srrs return (EINVAL); 1818163953Srrs } 1819163953Srrs switch (opt) { 1820163953Srrs case SCTP_NODELAY: 1821163953Srrs case SCTP_AUTOCLOSE: 1822163953Srrs case SCTP_EXPLICIT_EOR: 1823163953Srrs case SCTP_AUTO_ASCONF: 1824163953Srrs case SCTP_DISABLE_FRAGMENTS: 1825163953Srrs case SCTP_I_WANT_MAPPED_V4_ADDR: 1826163953Srrs case SCTP_USE_EXT_RCVINFO: 1827163953Srrs SCTP_INP_RLOCK(inp); 1828163953Srrs switch (opt) { 1829163953Srrs case SCTP_DISABLE_FRAGMENTS: 1830163953Srrs optval = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1831163953Srrs break; 1832163953Srrs case SCTP_I_WANT_MAPPED_V4_ADDR: 1833163953Srrs optval = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1834163953Srrs break; 1835163953Srrs case SCTP_AUTO_ASCONF: 1836163953Srrs optval = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1837163953Srrs break; 1838163953Srrs case SCTP_EXPLICIT_EOR: 1839163953Srrs optval = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1840163953Srrs break; 1841163953Srrs case SCTP_NODELAY: 1842163953Srrs optval = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1843163953Srrs break; 1844163953Srrs case SCTP_USE_EXT_RCVINFO: 1845163953Srrs optval = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1846163953Srrs break; 1847163953Srrs case SCTP_AUTOCLOSE: 1848163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1849163953Srrs optval = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1850163953Srrs else 1851163953Srrs optval = 0; 1852163953Srrs break; 1853163953Srrs 1854163953Srrs default: 1855163953Srrs error = ENOPROTOOPT; 1856163953Srrs } /* end switch (sopt->sopt_name) */ 1857163953Srrs if (opt != SCTP_AUTOCLOSE) { 1858163953Srrs /* make it an "on/off" value */ 1859163953Srrs optval = (optval != 0); 1860163953Srrs } 1861163953Srrs if ((size_t)m->m_len < sizeof(int)) { 1862163953Srrs error = EINVAL; 1863163953Srrs } 1864163953Srrs SCTP_INP_RUNLOCK(inp); 1865163953Srrs if (error == 0) { 1866163953Srrs /* return the option value */ 1867163953Srrs *mtod(m, int *)= optval; 1868163953Srrs m->m_len = sizeof(optval); 1869163953Srrs } 1870163953Srrs break; 1871163953Srrs case SCTP_PARTIAL_DELIVERY_POINT: 1872163953Srrs { 1873163953Srrs if ((size_t)m->m_len < sizeof(unsigned int)) { 1874163953Srrs error = EINVAL; 1875163953Srrs break; 1876163953Srrs } 1877163953Srrs *mtod(m, unsigned int *)= inp->partial_delivery_point; 1878163953Srrs m->m_len = sizeof(unsigned int); 1879163953Srrs } 1880163953Srrs break; 1881163953Srrs case SCTP_FRAGMENT_INTERLEAVE: 1882163953Srrs { 1883163953Srrs if ((size_t)m->m_len < sizeof(unsigned int)) { 1884163953Srrs error = EINVAL; 1885163953Srrs break; 1886163953Srrs } 1887163953Srrs *mtod(m, unsigned int *)= sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 1888163953Srrs m->m_len = sizeof(unsigned int); 1889163953Srrs } 1890163953Srrs break; 1891163953Srrs case SCTP_CMT_ON_OFF: 1892163953Srrs { 1893163953Srrs if ((size_t)m->m_len < sizeof(unsigned int)) { 1894163953Srrs error = EINVAL; 1895163953Srrs break; 1896163953Srrs } 1897163953Srrs *mtod(m, unsigned int *)= sctp_cmt_sockopt_on_off; 1898163953Srrs m->m_len = sizeof(unsigned int); 1899163953Srrs } 1900163953Srrs break; 1901163953Srrs case SCTP_CMT_USE_DAC: 1902163953Srrs { 1903163953Srrs *mtod(m, unsigned int *)= sctp_cmt_sockopt_use_dac; 1904163953Srrs m->m_len = sizeof(unsigned int); 1905163953Srrs } 1906163953Srrs break; 1907163953Srrs case SCTP_GET_ADDR_LEN: 1908163953Srrs { 1909163953Srrs struct sctp_assoc_value *av; 1910163953Srrs 1911163953Srrs if ((size_t)m->m_len < sizeof(struct sctp_assoc_value)) { 1912163953Srrs error = EINVAL; 1913163953Srrs break; 1914163953Srrs } 1915163953Srrs av = mtod(m, struct sctp_assoc_value *); 1916163953Srrs error = EINVAL; 1917163953Srrs#ifdef AF_INET 1918163953Srrs if (av->assoc_value == AF_INET) { 1919163953Srrs av->assoc_value = sizeof(struct sockaddr_in); 1920163953Srrs error = 0; 1921163953Srrs } 1922163953Srrs#endif 1923163953Srrs#ifdef AF_INET6 1924163953Srrs if (av->assoc_value == AF_INET6) { 1925163953Srrs av->assoc_value = sizeof(struct sockaddr_in6); 1926163953Srrs error = 0; 1927163953Srrs } 1928163953Srrs#endif 1929163953Srrs } 1930163953Srrs break; 1931163953Srrs case SCTP_GET_ASOC_ID_LIST: 1932163953Srrs { 1933163953Srrs struct sctp_assoc_ids *ids; 1934163953Srrs int cnt, at; 1935163953Srrs uint16_t orig; 1936163953Srrs 1937163953Srrs if ((size_t)m->m_len < sizeof(struct sctp_assoc_ids)) { 1938163953Srrs error = EINVAL; 1939163953Srrs break; 1940163953Srrs } 1941163953Srrs ids = mtod(m, struct sctp_assoc_ids *); 1942163953Srrs cnt = 0; 1943163953Srrs SCTP_INP_RLOCK(inp); 1944163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 1945163953Srrs if (stcb == NULL) { 1946163953Srrs none_out_now: 1947163953Srrs ids->asls_numb_present = 0; 1948163953Srrs ids->asls_more_to_get = 0; 1949163953Srrs SCTP_INP_RUNLOCK(inp); 1950163953Srrs break; 1951163953Srrs } 1952163953Srrs orig = ids->asls_assoc_start; 1953163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 1954163953Srrs while (orig) { 1955163953Srrs stcb = LIST_NEXT(stcb, sctp_tcblist); 1956163953Srrs orig--; 1957163953Srrs cnt--; 1958163953Srrs if (stcb == NULL) 1959163953Srrs goto none_out_now; 1960163953Srrs } 1961163953Srrs if (stcb == NULL) 1962163953Srrs goto none_out_now; 1963163953Srrs 1964163953Srrs at = 0; 1965163953Srrs ids->asls_numb_present = 0; 1966163953Srrs ids->asls_more_to_get = 1; 1967163953Srrs while (at < MAX_ASOC_IDS_RET) { 1968163953Srrs ids->asls_assoc_id[at] = sctp_get_associd(stcb); 1969163953Srrs at++; 1970163953Srrs ids->asls_numb_present++; 1971163953Srrs stcb = LIST_NEXT(stcb, sctp_tcblist); 1972163953Srrs if (stcb == NULL) { 1973163953Srrs ids->asls_more_to_get = 0; 1974163953Srrs break; 1975163953Srrs } 1976163953Srrs } 1977163953Srrs SCTP_INP_RUNLOCK(inp); 1978163953Srrs } 1979163953Srrs break; 1980163953Srrs case SCTP_CONTEXT: 1981163953Srrs { 1982163953Srrs 1983163953Srrs struct sctp_assoc_value *av; 1984163953Srrs 1985163953Srrs if ((size_t)m->m_len < sizeof(struct sctp_assoc_value)) { 1986163953Srrs error = EINVAL; 1987163953Srrs break; 1988163953Srrs } 1989163953Srrs av = mtod(m, struct sctp_assoc_value *); 1990163953Srrs if (av->assoc_id) { 1991163953Srrs stcb = sctp_findassociation_ep_asocid(inp, av->assoc_id, 1); 1992163953Srrs if (stcb == NULL) { 1993163953Srrs error = ENOTCONN; 1994163953Srrs } else { 1995163953Srrs av->assoc_value = stcb->asoc.context; 1996163953Srrs SCTP_TCB_UNLOCK(stcb); 1997163953Srrs } 1998163953Srrs } else { 1999163953Srrs av->assoc_value = inp->sctp_context; 2000163953Srrs } 2001163953Srrs } 2002163953Srrs break; 2003163953Srrs case SCTP_GET_NONCE_VALUES: 2004163953Srrs { 2005163953Srrs struct sctp_get_nonce_values *gnv; 2006163953Srrs 2007163953Srrs if ((size_t)m->m_len < sizeof(struct sctp_get_nonce_values)) { 2008163953Srrs error = EINVAL; 2009163953Srrs break; 2010163953Srrs } 2011163953Srrs gnv = mtod(m, struct sctp_get_nonce_values *); 2012163953Srrs stcb = sctp_findassociation_ep_asocid(inp, gnv->gn_assoc_id, 1); 2013163953Srrs if (stcb == NULL) { 2014163953Srrs error = ENOTCONN; 2015163953Srrs } else { 2016163953Srrs gnv->gn_peers_tag = stcb->asoc.peer_vtag; 2017163953Srrs gnv->gn_local_tag = stcb->asoc.my_vtag; 2018163953Srrs SCTP_TCB_UNLOCK(stcb); 2019163953Srrs } 2020163953Srrs 2021163953Srrs } 2022163953Srrs break; 2023163953Srrs case SCTP_DELAYED_ACK_TIME: 2024163953Srrs { 2025163953Srrs struct sctp_assoc_value *tm; 2026163953Srrs 2027163953Srrs if ((size_t)m->m_len < sizeof(struct sctp_assoc_value)) { 2028163953Srrs error = EINVAL; 2029163953Srrs break; 2030163953Srrs } 2031163953Srrs tm = mtod(m, struct sctp_assoc_value *); 2032163953Srrs 2033163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 2034163953Srrs SCTP_INP_RLOCK(inp); 2035163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 2036163953Srrs if (stcb) { 2037163953Srrs SCTP_TCB_LOCK(stcb); 2038163953Srrs tm->assoc_value = stcb->asoc.delayed_ack; 2039163953Srrs SCTP_TCB_UNLOCK(stcb); 2040163953Srrs } else { 2041163953Srrs tm->assoc_value = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2042163953Srrs } 2043163953Srrs SCTP_INP_RUNLOCK(inp); 2044163953Srrs } else { 2045163953Srrs stcb = sctp_findassociation_ep_asocid(inp, tm->assoc_id, 1); 2046163953Srrs if (stcb == NULL) { 2047163953Srrs error = ENOTCONN; 2048163953Srrs tm->assoc_value = 0; 2049163953Srrs } else { 2050163953Srrs stcb->asoc.delayed_ack = tm->assoc_value; 2051163953Srrs SCTP_TCB_UNLOCK(stcb); 2052163953Srrs } 2053163953Srrs } 2054163953Srrs } 2055163953Srrs break; 2056163953Srrs 2057163953Srrs case SCTP_GET_SNDBUF_USE: 2058163953Srrs if ((size_t)m->m_len < sizeof(struct sctp_sockstat)) { 2059163953Srrs error = EINVAL; 2060163953Srrs } else { 2061163953Srrs struct sctp_sockstat *ss; 2062163953Srrs struct sctp_tcb *stcb; 2063163953Srrs struct sctp_association *asoc; 2064163953Srrs 2065163953Srrs ss = mtod(m, struct sctp_sockstat *); 2066163953Srrs stcb = sctp_findassociation_ep_asocid(inp, ss->ss_assoc_id, 1); 2067163953Srrs if (stcb == NULL) { 2068163953Srrs error = ENOTCONN; 2069163953Srrs } else { 2070163953Srrs asoc = &stcb->asoc; 2071163953Srrs ss->ss_total_sndbuf = (uint32_t) asoc->total_output_queue_size; 2072163953Srrs ss->ss_total_recv_buf = (uint32_t) (asoc->size_on_reasm_queue + 2073163953Srrs asoc->size_on_all_streams); 2074163953Srrs SCTP_TCB_UNLOCK(stcb); 2075163953Srrs error = 0; 2076163953Srrs m->m_len = sizeof(struct sctp_sockstat); 2077163953Srrs } 2078163953Srrs } 2079163953Srrs break; 2080163953Srrs case SCTP_MAXBURST: 2081163953Srrs { 2082163953Srrs uint8_t *burst; 2083163953Srrs 2084163953Srrs burst = mtod(m, uint8_t *); 2085163953Srrs SCTP_INP_RLOCK(inp); 2086163953Srrs *burst = inp->sctp_ep.max_burst; 2087163953Srrs SCTP_INP_RUNLOCK(inp); 2088163953Srrs m->m_len = sizeof(uint8_t); 2089163953Srrs } 2090163953Srrs break; 2091163953Srrs 2092163953Srrs case SCTP_MAXSEG: 2093163953Srrs { 2094163953Srrs uint32_t *segsize; 2095163953Srrs sctp_assoc_t *assoc_id; 2096163953Srrs int ovh; 2097163953Srrs 2098163953Srrs if ((size_t)m->m_len < sizeof(uint32_t)) { 2099163953Srrs error = EINVAL; 2100163953Srrs break; 2101163953Srrs } 2102163953Srrs if ((size_t)m->m_len < sizeof(sctp_assoc_t)) { 2103163953Srrs error = EINVAL; 2104163953Srrs break; 2105163953Srrs } 2106163953Srrs assoc_id = mtod(m, sctp_assoc_t *); 2107163953Srrs segsize = mtod(m, uint32_t *); 2108163953Srrs m->m_len = sizeof(uint32_t); 2109163953Srrs 2110163953Srrs if (((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 2111163953Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) || 2112163953Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 2113163953Srrs struct sctp_tcb *stcb; 2114163953Srrs 2115163953Srrs SCTP_INP_RLOCK(inp); 2116163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 2117163953Srrs if (stcb) { 2118163953Srrs SCTP_TCB_LOCK(stcb); 2119163953Srrs SCTP_INP_RUNLOCK(inp); 2120163953Srrs *segsize = sctp_get_frag_point(stcb, &stcb->asoc); 2121163953Srrs SCTP_TCB_UNLOCK(stcb); 2122163953Srrs } else { 2123163953Srrs SCTP_INP_RUNLOCK(inp); 2124163953Srrs goto skipit; 2125163953Srrs } 2126163953Srrs } else { 2127163953Srrs stcb = sctp_findassociation_ep_asocid(inp, *assoc_id, 1); 2128163953Srrs if (stcb) { 2129163953Srrs *segsize = sctp_get_frag_point(stcb, &stcb->asoc); 2130163953Srrs SCTP_TCB_UNLOCK(stcb); 2131163953Srrs break; 2132163953Srrs } 2133163953Srrs skipit: 2134163953Srrs /* 2135163953Srrs * default is to get the max, if I can't 2136163953Srrs * calculate from an existing association. 2137163953Srrs */ 2138163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2139163953Srrs ovh = SCTP_MED_OVERHEAD; 2140163953Srrs } else { 2141163953Srrs ovh = SCTP_MED_V4_OVERHEAD; 2142163953Srrs } 2143163953Srrs *segsize = inp->sctp_frag_point - ovh; 2144163953Srrs } 2145163953Srrs } 2146163953Srrs break; 2147163953Srrs 2148163953Srrs case SCTP_SET_DEBUG_LEVEL: 2149163953Srrs#ifdef SCTP_DEBUG 2150163953Srrs { 2151163953Srrs uint32_t *level; 2152163953Srrs 2153163953Srrs if ((size_t)m->m_len < sizeof(uint32_t)) { 2154163953Srrs error = EINVAL; 2155163953Srrs break; 2156163953Srrs } 2157163953Srrs level = mtod(m, uint32_t *); 2158163953Srrs error = 0; 2159163953Srrs *level = sctp_debug_on; 2160163953Srrs m->m_len = sizeof(uint32_t); 2161163953Srrs printf("Returning DEBUG LEVEL %x is set\n", 2162163953Srrs (uint32_t) sctp_debug_on); 2163163953Srrs } 2164163953Srrs#else /* SCTP_DEBUG */ 2165163953Srrs error = EOPNOTSUPP; 2166163953Srrs#endif 2167163953Srrs break; 2168163953Srrs case SCTP_GET_STAT_LOG: 2169163953Srrs#ifdef SCTP_STAT_LOGGING 2170163953Srrs error = sctp_fill_stat_log(m); 2171163953Srrs#else /* SCTP_DEBUG */ 2172163953Srrs error = EOPNOTSUPP; 2173163953Srrs#endif 2174163953Srrs break; 2175163953Srrs case SCTP_EVENTS: 2176163953Srrs { 2177163953Srrs struct sctp_event_subscribe *events; 2178163953Srrs 2179163953Srrs if ((size_t)m->m_len < sizeof(struct sctp_event_subscribe)) { 2180163953Srrs error = EINVAL; 2181163953Srrs break; 2182163953Srrs } 2183163953Srrs events = mtod(m, struct sctp_event_subscribe *); 2184163953Srrs memset(events, 0, sizeof(*events)); 2185163953Srrs SCTP_INP_RLOCK(inp); 2186163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2187163953Srrs events->sctp_data_io_event = 1; 2188163953Srrs 2189163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2190163953Srrs events->sctp_association_event = 1; 2191163953Srrs 2192163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2193163953Srrs events->sctp_address_event = 1; 2194163953Srrs 2195163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2196163953Srrs events->sctp_send_failure_event = 1; 2197163953Srrs 2198163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2199163953Srrs events->sctp_peer_error_event = 1; 2200163953Srrs 2201163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2202163953Srrs events->sctp_shutdown_event = 1; 2203163953Srrs 2204163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2205163953Srrs events->sctp_partial_delivery_event = 1; 2206163953Srrs 2207163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2208163953Srrs events->sctp_adaptation_layer_event = 1; 2209163953Srrs 2210163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2211163953Srrs events->sctp_authentication_event = 1; 2212163953Srrs 2213163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2214163953Srrs events->sctp_stream_reset_events = 1; 2215163953Srrs SCTP_INP_RUNLOCK(inp); 2216163953Srrs m->m_len = sizeof(struct sctp_event_subscribe); 2217163953Srrs 2218163953Srrs } 2219163953Srrs break; 2220163953Srrs 2221163953Srrs case SCTP_ADAPTATION_LAYER: 2222163953Srrs if ((size_t)m->m_len < sizeof(int)) { 2223163953Srrs error = EINVAL; 2224163953Srrs break; 2225163953Srrs } 2226163953Srrs SCTP_INP_RLOCK(inp); 2227163953Srrs *mtod(m, int *)= inp->sctp_ep.adaptation_layer_indicator; 2228163953Srrs SCTP_INP_RUNLOCK(inp); 2229163953Srrs m->m_len = sizeof(int); 2230163953Srrs break; 2231163953Srrs case SCTP_SET_INITIAL_DBG_SEQ: 2232163953Srrs if ((size_t)m->m_len < sizeof(int)) { 2233163953Srrs error = EINVAL; 2234163953Srrs break; 2235163953Srrs } 2236163953Srrs SCTP_INP_RLOCK(inp); 2237163953Srrs *mtod(m, int *)= inp->sctp_ep.initial_sequence_debug; 2238163953Srrs SCTP_INP_RUNLOCK(inp); 2239163953Srrs m->m_len = sizeof(int); 2240163953Srrs break; 2241163953Srrs case SCTP_GET_LOCAL_ADDR_SIZE: 2242163953Srrs if ((size_t)m->m_len < sizeof(int)) { 2243163953Srrs error = EINVAL; 2244163953Srrs break; 2245163953Srrs } 2246163953Srrs SCTP_INP_RLOCK(inp); 2247163953Srrs *mtod(m, int *)= sctp_count_max_addresses(inp); 2248163953Srrs SCTP_INP_RUNLOCK(inp); 2249163953Srrs m->m_len = sizeof(int); 2250163953Srrs break; 2251163953Srrs case SCTP_GET_REMOTE_ADDR_SIZE: 2252163953Srrs { 2253163953Srrs sctp_assoc_t *assoc_id; 2254163953Srrs uint32_t *val, sz; 2255163953Srrs struct sctp_nets *net; 2256163953Srrs 2257163953Srrs if ((size_t)m->m_len < sizeof(sctp_assoc_t)) { 2258163953Srrs error = EINVAL; 2259163953Srrs break; 2260163953Srrs } 2261163953Srrs stcb = NULL; 2262163953Srrs val = mtod(m, uint32_t *); 2263163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 2264163953Srrs SCTP_INP_RLOCK(inp); 2265163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 2266163953Srrs if (stcb) 2267163953Srrs SCTP_TCB_LOCK(stcb); 2268163953Srrs SCTP_INP_RUNLOCK(inp); 2269163953Srrs } 2270163953Srrs if (stcb == NULL) { 2271163953Srrs assoc_id = mtod(m, sctp_assoc_t *); 2272163953Srrs stcb = sctp_findassociation_ep_asocid(inp, *assoc_id, 1); 2273163953Srrs } 2274163953Srrs if (stcb == NULL) { 2275163953Srrs error = EINVAL; 2276163953Srrs break; 2277163953Srrs } 2278163953Srrs *val = 0; 2279163953Srrs sz = 0; 2280163953Srrs /* Count the sizes */ 2281163953Srrs TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2282163953Srrs if ((stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_NEEDS_MAPPED_V4) || 2283163953Srrs (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET6)) { 2284163953Srrs sz += sizeof(struct sockaddr_in6); 2285163953Srrs } else if (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET) { 2286163953Srrs sz += sizeof(struct sockaddr_in); 2287163953Srrs } else { 2288163953Srrs /* huh */ 2289163953Srrs break; 2290163953Srrs } 2291163953Srrs } 2292163953Srrs SCTP_TCB_UNLOCK(stcb); 2293163953Srrs *val = sz; 2294163953Srrs m->m_len = sizeof(uint32_t); 2295163953Srrs } 2296163953Srrs break; 2297163953Srrs case SCTP_GET_PEER_ADDRESSES: 2298163953Srrs /* 2299163953Srrs * Get the address information, an array is passed in to 2300163953Srrs * fill up we pack it. 2301163953Srrs */ 2302163953Srrs { 2303163953Srrs int cpsz, left; 2304163953Srrs struct sockaddr_storage *sas; 2305163953Srrs struct sctp_nets *net; 2306163953Srrs struct sctp_getaddresses *saddr; 2307163953Srrs 2308163953Srrs if ((size_t)m->m_len < sizeof(struct sctp_getaddresses)) { 2309163953Srrs error = EINVAL; 2310163953Srrs break; 2311163953Srrs } 2312163953Srrs left = m->m_len - sizeof(struct sctp_getaddresses); 2313163953Srrs saddr = mtod(m, struct sctp_getaddresses *); 2314163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 2315163953Srrs SCTP_INP_RLOCK(inp); 2316163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 2317163953Srrs if (stcb) 2318163953Srrs SCTP_TCB_LOCK(stcb); 2319163953Srrs SCTP_INP_RUNLOCK(inp); 2320163953Srrs } else 2321163953Srrs stcb = sctp_findassociation_ep_asocid(inp, 2322163953Srrs saddr->sget_assoc_id, 1); 2323163953Srrs if (stcb == NULL) { 2324163953Srrs error = ENOENT; 2325163953Srrs break; 2326163953Srrs } 2327163953Srrs m->m_len = sizeof(struct sctp_getaddresses); 2328163953Srrs sas = (struct sockaddr_storage *)&saddr->addr[0]; 2329163953Srrs 2330163953Srrs TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2331163953Srrs if ((stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_NEEDS_MAPPED_V4) || 2332163953Srrs (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET6)) { 2333163953Srrs cpsz = sizeof(struct sockaddr_in6); 2334163953Srrs } else if (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET) { 2335163953Srrs cpsz = sizeof(struct sockaddr_in); 2336163953Srrs } else { 2337163953Srrs /* huh */ 2338163953Srrs break; 2339163953Srrs } 2340163953Srrs if (left < cpsz) { 2341163953Srrs /* not enough room. */ 2342163953Srrs break; 2343163953Srrs } 2344163953Srrs if ((stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_NEEDS_MAPPED_V4) && 2345163953Srrs (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET)) { 2346163953Srrs /* Must map the address */ 2347163953Srrs in6_sin_2_v4mapsin6((struct sockaddr_in *)&net->ro._l_addr, 2348163953Srrs (struct sockaddr_in6 *)sas); 2349163953Srrs } else { 2350163953Srrs memcpy(sas, &net->ro._l_addr, cpsz); 2351163953Srrs } 2352163953Srrs ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2353163953Srrs 2354163953Srrs sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2355163953Srrs left -= cpsz; 2356163953Srrs m->m_len += cpsz; 2357163953Srrs } 2358163953Srrs SCTP_TCB_UNLOCK(stcb); 2359163953Srrs } 2360163953Srrs break; 2361163953Srrs case SCTP_GET_LOCAL_ADDRESSES: 2362163953Srrs { 2363163953Srrs int limit, actual; 2364163953Srrs struct sockaddr_storage *sas; 2365163953Srrs struct sctp_getaddresses *saddr; 2366163953Srrs 2367163953Srrs if ((size_t)m->m_len < sizeof(struct sctp_getaddresses)) { 2368163953Srrs error = EINVAL; 2369163953Srrs break; 2370163953Srrs } 2371163953Srrs saddr = mtod(m, struct sctp_getaddresses *); 2372163953Srrs 2373163953Srrs if (saddr->sget_assoc_id) { 2374163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 2375163953Srrs SCTP_INP_RLOCK(inp); 2376163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 2377163953Srrs if (stcb) 2378163953Srrs SCTP_TCB_LOCK(stcb); 2379163953Srrs SCTP_INP_RUNLOCK(inp); 2380163953Srrs } else 2381163953Srrs stcb = sctp_findassociation_ep_asocid(inp, saddr->sget_assoc_id, 1); 2382163953Srrs 2383163953Srrs } else { 2384163953Srrs stcb = NULL; 2385163953Srrs } 2386163953Srrs /* 2387163953Srrs * assure that the TCP model does not need a assoc 2388163953Srrs * id once connected. 2389163953Srrs */ 2390163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) && 2391163953Srrs (stcb == NULL)) { 2392163953Srrs SCTP_INP_RLOCK(inp); 2393163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 2394163953Srrs if (stcb) 2395163953Srrs SCTP_TCB_LOCK(stcb); 2396163953Srrs SCTP_INP_RUNLOCK(inp); 2397163953Srrs } 2398163953Srrs sas = (struct sockaddr_storage *)&saddr->addr[0]; 2399163953Srrs limit = m->m_len - sizeof(sctp_assoc_t); 2400163953Srrs actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2401163953Srrs if (stcb) 2402163953Srrs SCTP_TCB_UNLOCK(stcb); 2403163953Srrs m->m_len = sizeof(struct sockaddr_storage) + actual; 2404163953Srrs } 2405163953Srrs break; 2406163953Srrs case SCTP_PEER_ADDR_PARAMS: 2407163953Srrs { 2408163953Srrs struct sctp_paddrparams *paddrp; 2409163953Srrs struct sctp_nets *net; 2410163953Srrs 2411163953Srrs if ((size_t)m->m_len < sizeof(struct sctp_paddrparams)) { 2412163953Srrs error = EINVAL; 2413163953Srrs break; 2414163953Srrs } 2415163953Srrs paddrp = mtod(m, struct sctp_paddrparams *); 2416163953Srrs 2417163953Srrs net = NULL; 2418163953Srrs if (paddrp->spp_assoc_id) { 2419163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 2420163953Srrs SCTP_INP_RLOCK(inp); 2421163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 2422163953Srrs if (stcb) { 2423163953Srrs SCTP_TCB_LOCK(stcb); 2424163953Srrs net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 2425163953Srrs } 2426163953Srrs SCTP_INP_RLOCK(inp); 2427163953Srrs } else { 2428163953Srrs stcb = sctp_findassociation_ep_asocid(inp, paddrp->spp_assoc_id, 1); 2429163953Srrs } 2430163953Srrs if (stcb == NULL) { 2431163953Srrs error = ENOENT; 2432163953Srrs break; 2433163953Srrs } 2434163953Srrs } 2435163953Srrs if ((stcb == NULL) && 2436163953Srrs ((((struct sockaddr *)&paddrp->spp_address)->sa_family == AF_INET) || 2437163953Srrs (((struct sockaddr *)&paddrp->spp_address)->sa_family == AF_INET6))) { 2438163953Srrs /* Lookup via address */ 2439163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 2440163953Srrs SCTP_INP_RLOCK(inp); 2441163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 2442163953Srrs if (stcb) { 2443163953Srrs SCTP_TCB_LOCK(stcb); 2444163953Srrs net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 2445163953Srrs } 2446163953Srrs SCTP_INP_RUNLOCK(inp); 2447163953Srrs } else { 2448163953Srrs SCTP_INP_INCR_REF(inp); 2449163953Srrs stcb = sctp_findassociation_ep_addr(&inp, 2450163953Srrs (struct sockaddr *)&paddrp->spp_address, 2451163953Srrs &net, NULL, NULL); 2452163953Srrs if (stcb == NULL) { 2453163953Srrs SCTP_INP_DECR_REF(inp); 2454163953Srrs } 2455163953Srrs } 2456163953Srrs 2457163953Srrs if (stcb == NULL) { 2458163953Srrs error = ENOENT; 2459163953Srrs break; 2460163953Srrs } 2461163953Srrs } 2462163953Srrs if (stcb) { 2463163953Srrs /* Applys to the specific association */ 2464163953Srrs paddrp->spp_flags = 0; 2465163953Srrs if (net) { 2466163953Srrs paddrp->spp_pathmaxrxt = net->failure_threshold; 2467163953Srrs paddrp->spp_pathmtu = net->mtu; 2468163953Srrs /* get flags for HB */ 2469163953Srrs if (net->dest_state & SCTP_ADDR_NOHB) 2470163953Srrs paddrp->spp_flags |= SPP_HB_DISABLE; 2471163953Srrs else 2472163953Srrs paddrp->spp_flags |= SPP_HB_ENABLE; 2473163953Srrs /* get flags for PMTU */ 2474163953Srrs if (callout_pending(&net->pmtu_timer.timer)) { 2475163953Srrs paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2476163953Srrs } else { 2477163953Srrs paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2478163953Srrs } 2479163953Srrs#ifdef AF_INET 2480163953Srrs if (net->ro._l_addr.sin.sin_family == AF_INET) { 2481163953Srrs paddrp->spp_ipv4_tos = net->tos_flowlabel & 0x000000fc; 2482163953Srrs paddrp->spp_flags |= SPP_IPV4_TOS; 2483163953Srrs } 2484163953Srrs#endif 2485163953Srrs#ifdef AF_INET6 2486163953Srrs if (net->ro._l_addr.sin6.sin6_family == AF_INET6) { 2487163953Srrs paddrp->spp_ipv6_flowlabel = net->tos_flowlabel; 2488163953Srrs paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2489163953Srrs } 2490163953Srrs#endif 2491163953Srrs } else { 2492163953Srrs /* 2493163953Srrs * No destination so return default 2494163953Srrs * value 2495163953Srrs */ 2496163953Srrs paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2497163953Srrs paddrp->spp_pathmtu = sctp_get_frag_point(stcb, &stcb->asoc); 2498163953Srrs#ifdef AF_INET 2499163953Srrs paddrp->spp_ipv4_tos = stcb->asoc.default_tos & 0x000000fc; 2500163953Srrs paddrp->spp_flags |= SPP_IPV4_TOS; 2501163953Srrs#endif 2502163953Srrs#ifdef AF_INET6 2503163953Srrs paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel; 2504163953Srrs paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2505163953Srrs#endif 2506163953Srrs /* default settings should be these */ 2507163953Srrs if (sctp_is_hb_timer_running(stcb)) { 2508163953Srrs paddrp->spp_flags |= SPP_HB_ENABLE; 2509163953Srrs } 2510163953Srrs } 2511163953Srrs paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2512163953Srrs paddrp->spp_sackdelay = stcb->asoc.delayed_ack; 2513163953Srrs /* 2514163953Srrs * Currently we don't support no sack delay 2515163953Srrs * aka SPP_SACKDELAY_DISABLE. 2516163953Srrs */ 2517163953Srrs paddrp->spp_flags |= SPP_SACKDELAY_ENABLE; 2518163953Srrs paddrp->spp_assoc_id = sctp_get_associd(stcb); 2519163953Srrs SCTP_TCB_UNLOCK(stcb); 2520163953Srrs } else { 2521163953Srrs /* Use endpoint defaults */ 2522163953Srrs SCTP_INP_RLOCK(inp); 2523163953Srrs paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2524163953Srrs paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2525163953Srrs paddrp->spp_sackdelay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 2526163953Srrs paddrp->spp_assoc_id = (sctp_assoc_t) 0; 2527163953Srrs /* get inp's default */ 2528163953Srrs#ifdef AF_INET 2529163953Srrs paddrp->spp_ipv4_tos = inp->ip_inp.inp.inp_ip_tos; 2530163953Srrs paddrp->spp_flags |= SPP_IPV4_TOS; 2531163953Srrs#endif 2532163953Srrs#ifdef AF_INET6 2533163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2534163953Srrs paddrp->spp_ipv6_flowlabel = ((struct in6pcb *)inp)->in6p_flowinfo; 2535163953Srrs paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2536163953Srrs } 2537163953Srrs#endif 2538163953Srrs /* can't return this */ 2539163953Srrs paddrp->spp_pathmaxrxt = 0; 2540163953Srrs paddrp->spp_pathmtu = 0; 2541163953Srrs /* default behavior, no stcb */ 2542163953Srrs paddrp->spp_flags = SPP_HB_ENABLE | SPP_SACKDELAY_ENABLE | SPP_PMTUD_ENABLE; 2543163953Srrs 2544163953Srrs SCTP_INP_RUNLOCK(inp); 2545163953Srrs } 2546163953Srrs m->m_len = sizeof(struct sctp_paddrparams); 2547163953Srrs } 2548163953Srrs break; 2549163953Srrs case SCTP_GET_PEER_ADDR_INFO: 2550163953Srrs { 2551163953Srrs struct sctp_paddrinfo *paddri; 2552163953Srrs struct sctp_nets *net; 2553163953Srrs 2554163953Srrs if ((size_t)m->m_len < sizeof(struct sctp_paddrinfo)) { 2555163953Srrs error = EINVAL; 2556163953Srrs break; 2557163953Srrs } 2558163953Srrs paddri = mtod(m, struct sctp_paddrinfo *); 2559163953Srrs net = NULL; 2560163953Srrs if ((((struct sockaddr *)&paddri->spinfo_address)->sa_family == AF_INET) || 2561163953Srrs (((struct sockaddr *)&paddri->spinfo_address)->sa_family == AF_INET6)) { 2562163953Srrs /* Lookup via address */ 2563163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 2564163953Srrs SCTP_INP_RLOCK(inp); 2565163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 2566163953Srrs if (stcb) { 2567163953Srrs SCTP_TCB_LOCK(stcb); 2568163953Srrs net = sctp_findnet(stcb, 2569163953Srrs (struct sockaddr *)&paddri->spinfo_address); 2570163953Srrs } 2571163953Srrs SCTP_INP_RUNLOCK(inp); 2572163953Srrs } else { 2573163953Srrs SCTP_INP_INCR_REF(inp); 2574163953Srrs stcb = sctp_findassociation_ep_addr(&inp, 2575163953Srrs (struct sockaddr *)&paddri->spinfo_address, 2576163953Srrs &net, NULL, NULL); 2577163953Srrs if (stcb == NULL) { 2578163953Srrs SCTP_INP_DECR_REF(inp); 2579163953Srrs } 2580163953Srrs } 2581163953Srrs 2582163953Srrs } else { 2583163953Srrs stcb = NULL; 2584163953Srrs } 2585163953Srrs if ((stcb == NULL) || (net == NULL)) { 2586163953Srrs if (stcb) { 2587163953Srrs SCTP_TCB_UNLOCK(stcb); 2588163953Srrs } 2589163953Srrs error = ENOENT; 2590163953Srrs break; 2591163953Srrs } 2592163953Srrs m->m_len = sizeof(struct sctp_paddrinfo); 2593163953Srrs paddri->spinfo_state = net->dest_state & (SCTP_REACHABLE_MASK | SCTP_ADDR_NOHB); 2594163953Srrs paddri->spinfo_cwnd = net->cwnd; 2595163953Srrs paddri->spinfo_srtt = ((net->lastsa >> 2) + net->lastsv) >> 1; 2596163953Srrs paddri->spinfo_rto = net->RTO; 2597163953Srrs paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2598163953Srrs SCTP_TCB_UNLOCK(stcb); 2599163953Srrs } 2600163953Srrs break; 2601163953Srrs case SCTP_PCB_STATUS: 2602163953Srrs { 2603163953Srrs struct sctp_pcbinfo *spcb; 2604163953Srrs 2605163953Srrs if ((size_t)m->m_len < sizeof(struct sctp_pcbinfo)) { 2606163953Srrs error = EINVAL; 2607163953Srrs break; 2608163953Srrs } 2609163953Srrs spcb = mtod(m, struct sctp_pcbinfo *); 2610163953Srrs sctp_fill_pcbinfo(spcb); 2611163953Srrs m->m_len = sizeof(struct sctp_pcbinfo); 2612163953Srrs } 2613163953Srrs break; 2614163953Srrs case SCTP_STATUS: 2615163953Srrs { 2616163953Srrs struct sctp_nets *net; 2617163953Srrs struct sctp_status *sstat; 2618163953Srrs 2619163953Srrs if ((size_t)m->m_len < sizeof(struct sctp_status)) { 2620163953Srrs error = EINVAL; 2621163953Srrs break; 2622163953Srrs } 2623163953Srrs sstat = mtod(m, struct sctp_status *); 2624163953Srrs 2625163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 2626163953Srrs SCTP_INP_RLOCK(inp); 2627163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 2628163953Srrs if (stcb) 2629163953Srrs SCTP_TCB_LOCK(stcb); 2630163953Srrs SCTP_INP_RUNLOCK(inp); 2631163953Srrs } else 2632163953Srrs stcb = sctp_findassociation_ep_asocid(inp, sstat->sstat_assoc_id, 1); 2633163953Srrs 2634163953Srrs if (stcb == NULL) { 2635163953Srrs error = EINVAL; 2636163953Srrs break; 2637163953Srrs } 2638163953Srrs /* 2639163953Srrs * I think passing the state is fine since 2640163953Srrs * sctp_constants.h will be available to the user 2641163953Srrs * land. 2642163953Srrs */ 2643163953Srrs sstat->sstat_state = stcb->asoc.state; 2644163953Srrs sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2645163953Srrs sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2646163953Srrs /* 2647163953Srrs * We can't include chunks that have been passed to 2648163953Srrs * the socket layer. Only things in queue. 2649163953Srrs */ 2650163953Srrs sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2651163953Srrs stcb->asoc.cnt_on_all_streams); 2652163953Srrs 2653163953Srrs 2654163953Srrs sstat->sstat_instrms = stcb->asoc.streamincnt; 2655163953Srrs sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2656163953Srrs sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2657163953Srrs memcpy(&sstat->sstat_primary.spinfo_address, 2658163953Srrs &stcb->asoc.primary_destination->ro._l_addr, 2659163953Srrs ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2660163953Srrs net = stcb->asoc.primary_destination; 2661163953Srrs ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2662163953Srrs /* 2663163953Srrs * Again the user can get info from sctp_constants.h 2664163953Srrs * for what the state of the network is. 2665163953Srrs */ 2666163953Srrs sstat->sstat_primary.spinfo_state = net->dest_state & SCTP_REACHABLE_MASK; 2667163953Srrs sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2668163953Srrs sstat->sstat_primary.spinfo_srtt = net->lastsa; 2669163953Srrs sstat->sstat_primary.spinfo_rto = net->RTO; 2670163953Srrs sstat->sstat_primary.spinfo_mtu = net->mtu; 2671163953Srrs sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2672163953Srrs SCTP_TCB_UNLOCK(stcb); 2673163953Srrs m->m_len = sizeof(*sstat); 2674163953Srrs } 2675163953Srrs break; 2676163953Srrs case SCTP_RTOINFO: 2677163953Srrs { 2678163953Srrs struct sctp_rtoinfo *srto; 2679163953Srrs 2680163953Srrs if ((size_t)m->m_len < sizeof(struct sctp_rtoinfo)) { 2681163953Srrs error = EINVAL; 2682163953Srrs break; 2683163953Srrs } 2684163953Srrs srto = mtod(m, struct sctp_rtoinfo *); 2685163953Srrs if (srto->srto_assoc_id == 0) { 2686163953Srrs /* Endpoint only please */ 2687163953Srrs SCTP_INP_RLOCK(inp); 2688163953Srrs srto->srto_initial = inp->sctp_ep.initial_rto; 2689163953Srrs srto->srto_max = inp->sctp_ep.sctp_maxrto; 2690163953Srrs srto->srto_min = inp->sctp_ep.sctp_minrto; 2691163953Srrs SCTP_INP_RUNLOCK(inp); 2692163953Srrs break; 2693163953Srrs } 2694163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 2695163953Srrs SCTP_INP_RLOCK(inp); 2696163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 2697163953Srrs if (stcb) 2698163953Srrs SCTP_TCB_LOCK(stcb); 2699163953Srrs SCTP_INP_RUNLOCK(inp); 2700163953Srrs } else 2701163953Srrs stcb = sctp_findassociation_ep_asocid(inp, srto->srto_assoc_id, 1); 2702163953Srrs 2703163953Srrs if (stcb == NULL) { 2704163953Srrs error = EINVAL; 2705163953Srrs break; 2706163953Srrs } 2707163953Srrs srto->srto_initial = stcb->asoc.initial_rto; 2708163953Srrs srto->srto_max = stcb->asoc.maxrto; 2709163953Srrs srto->srto_min = stcb->asoc.minrto; 2710163953Srrs SCTP_TCB_UNLOCK(stcb); 2711163953Srrs m->m_len = sizeof(*srto); 2712163953Srrs } 2713163953Srrs break; 2714163953Srrs case SCTP_ASSOCINFO: 2715163953Srrs { 2716163953Srrs struct sctp_assocparams *sasoc; 2717163953Srrs 2718163953Srrs if ((size_t)m->m_len < sizeof(struct sctp_assocparams)) { 2719163953Srrs error = EINVAL; 2720163953Srrs break; 2721163953Srrs } 2722163953Srrs sasoc = mtod(m, struct sctp_assocparams *); 2723163953Srrs stcb = NULL; 2724163953Srrs 2725163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 2726163953Srrs SCTP_INP_RLOCK(inp); 2727163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 2728163953Srrs if (stcb) { 2729163953Srrs 2730163953Srrs SCTP_TCB_LOCK(stcb); 2731163953Srrs } 2732163953Srrs SCTP_INP_RUNLOCK(inp); 2733163953Srrs } else if (sasoc->sasoc_assoc_id) { 2734163953Srrs stcb = sctp_findassociation_ep_asocid(inp, 2735163953Srrs sasoc->sasoc_assoc_id, 1); 2736163953Srrs if (stcb == NULL) { 2737163953Srrs error = ENOENT; 2738163953Srrs break; 2739163953Srrs } 2740163953Srrs } else { 2741163953Srrs stcb = NULL; 2742163953Srrs } 2743163953Srrs if (stcb) { 2744163953Srrs sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2745163953Srrs sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2746163953Srrs sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2747163953Srrs sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2748163953Srrs sasoc->sasoc_cookie_life = stcb->asoc.cookie_life; 2749163953Srrs SCTP_TCB_UNLOCK(stcb); 2750163953Srrs } else { 2751163953Srrs SCTP_INP_RLOCK(inp); 2752163953Srrs sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2753163953Srrs sasoc->sasoc_number_peer_destinations = 0; 2754163953Srrs sasoc->sasoc_peer_rwnd = 0; 2755163953Srrs sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2756163953Srrs sasoc->sasoc_cookie_life = inp->sctp_ep.def_cookie_life; 2757163953Srrs SCTP_INP_RUNLOCK(inp); 2758163953Srrs } 2759163953Srrs m->m_len = sizeof(*sasoc); 2760163953Srrs } 2761163953Srrs break; 2762163953Srrs case SCTP_DEFAULT_SEND_PARAM: 2763163953Srrs { 2764163953Srrs struct sctp_sndrcvinfo *s_info; 2765163953Srrs 2766163953Srrs if (m->m_len != sizeof(struct sctp_sndrcvinfo)) { 2767163953Srrs error = EINVAL; 2768163953Srrs break; 2769163953Srrs } 2770163953Srrs s_info = mtod(m, struct sctp_sndrcvinfo *); 2771163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 2772163953Srrs SCTP_INP_RLOCK(inp); 2773163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 2774163953Srrs if (stcb) 2775163953Srrs SCTP_TCB_LOCK(stcb); 2776163953Srrs SCTP_INP_RUNLOCK(inp); 2777163953Srrs } else 2778163953Srrs stcb = sctp_findassociation_ep_asocid(inp, s_info->sinfo_assoc_id, 1); 2779163953Srrs 2780163953Srrs if (stcb == NULL) { 2781163953Srrs error = ENOENT; 2782163953Srrs break; 2783163953Srrs } 2784163953Srrs /* Copy it out */ 2785163953Srrs *s_info = stcb->asoc.def_send; 2786163953Srrs SCTP_TCB_UNLOCK(stcb); 2787163953Srrs m->m_len = sizeof(*s_info); 2788163953Srrs } 2789163953Srrs break; 2790163953Srrs case SCTP_INITMSG: 2791163953Srrs { 2792163953Srrs struct sctp_initmsg *sinit; 2793163953Srrs 2794163953Srrs if ((size_t)m->m_len < sizeof(struct sctp_initmsg)) { 2795163953Srrs error = EINVAL; 2796163953Srrs break; 2797163953Srrs } 2798163953Srrs sinit = mtod(m, struct sctp_initmsg *); 2799163953Srrs SCTP_INP_RLOCK(inp); 2800163953Srrs sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2801163953Srrs sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2802163953Srrs sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2803163953Srrs sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2804163953Srrs SCTP_INP_RUNLOCK(inp); 2805163953Srrs m->m_len = sizeof(*sinit); 2806163953Srrs } 2807163953Srrs break; 2808163953Srrs case SCTP_PRIMARY_ADDR: 2809163953Srrs /* we allow a "get" operation on this */ 2810163953Srrs { 2811163953Srrs struct sctp_setprim *ssp; 2812163953Srrs 2813163953Srrs if ((size_t)m->m_len < sizeof(struct sctp_setprim)) { 2814163953Srrs error = EINVAL; 2815163953Srrs break; 2816163953Srrs } 2817163953Srrs ssp = mtod(m, struct sctp_setprim *); 2818163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 2819163953Srrs SCTP_INP_RLOCK(inp); 2820163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 2821163953Srrs if (stcb) 2822163953Srrs SCTP_TCB_LOCK(stcb); 2823163953Srrs SCTP_INP_RUNLOCK(inp); 2824163953Srrs } else { 2825163953Srrs stcb = sctp_findassociation_ep_asocid(inp, ssp->ssp_assoc_id, 1); 2826163953Srrs if (stcb == NULL) { 2827163953Srrs /* 2828163953Srrs * one last shot, try it by the 2829163953Srrs * address in 2830163953Srrs */ 2831163953Srrs struct sctp_nets *net; 2832163953Srrs 2833163953Srrs SCTP_INP_INCR_REF(inp); 2834163953Srrs stcb = sctp_findassociation_ep_addr(&inp, 2835163953Srrs (struct sockaddr *)&ssp->ssp_addr, 2836163953Srrs &net, NULL, NULL); 2837163953Srrs if (stcb == NULL) { 2838163953Srrs SCTP_INP_DECR_REF(inp); 2839163953Srrs } 2840163953Srrs } 2841163953Srrs if (stcb == NULL) { 2842163953Srrs error = EINVAL; 2843163953Srrs break; 2844163953Srrs } 2845163953Srrs } 2846163953Srrs /* simply copy out the sockaddr_storage... */ 2847163953Srrs memcpy(&ssp->ssp_addr, 2848163953Srrs &stcb->asoc.primary_destination->ro._l_addr, 2849163953Srrs ((struct sockaddr *)&stcb->asoc.primary_destination->ro._l_addr)->sa_len); 2850163953Srrs SCTP_TCB_UNLOCK(stcb); 2851163953Srrs m->m_len = sizeof(*ssp); 2852163953Srrs } 2853163953Srrs break; 2854163953Srrs 2855163953Srrs case SCTP_HMAC_IDENT: 2856163953Srrs { 2857163953Srrs struct sctp_hmacalgo *shmac; 2858163953Srrs sctp_hmaclist_t *hmaclist; 2859163953Srrs uint32_t size; 2860163953Srrs int i; 2861163953Srrs 2862163953Srrs if ((size_t)(m->m_len) < sizeof(*shmac)) { 2863163953Srrs error = EINVAL; 2864163953Srrs break; 2865163953Srrs } 2866163953Srrs shmac = mtod(m, struct sctp_hmacalgo *); 2867163953Srrs SCTP_INP_RLOCK(inp); 2868163953Srrs hmaclist = inp->sctp_ep.local_hmacs; 2869163953Srrs if (hmaclist == NULL) { 2870163953Srrs /* no HMACs to return */ 2871163953Srrs m->m_len = sizeof(*shmac); 2872163953Srrs break; 2873163953Srrs } 2874163953Srrs /* is there room for all of the hmac ids? */ 2875163953Srrs size = sizeof(*shmac) + (hmaclist->num_algo * 2876163953Srrs sizeof(shmac->shmac_idents[0])); 2877163953Srrs if ((size_t)(m->m_len) < size) { 2878163953Srrs error = EINVAL; 2879163953Srrs SCTP_INP_RUNLOCK(inp); 2880163953Srrs break; 2881163953Srrs } 2882163953Srrs /* copy in the list */ 2883163953Srrs for (i = 0; i < hmaclist->num_algo; i++) 2884163953Srrs shmac->shmac_idents[i] = hmaclist->hmac[i]; 2885163953Srrs SCTP_INP_RUNLOCK(inp); 2886163953Srrs m->m_len = size; 2887163953Srrs break; 2888163953Srrs } 2889163953Srrs case SCTP_AUTH_ACTIVE_KEY: 2890163953Srrs { 2891163953Srrs struct sctp_authkeyid *scact; 2892163953Srrs 2893163953Srrs if ((size_t)(m->m_len) < sizeof(*scact)) { 2894163953Srrs error = EINVAL; 2895163953Srrs break; 2896163953Srrs } 2897163953Srrs scact = mtod(m, struct sctp_authkeyid *); 2898163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 2899163953Srrs /* 2900163953Srrs * if one-to-one, get from the connected 2901163953Srrs * assoc; else endpoint 2902163953Srrs */ 2903163953Srrs SCTP_INP_RLOCK(inp); 2904163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 2905163953Srrs if (stcb) 2906163953Srrs SCTP_TCB_LOCK(stcb); 2907163953Srrs SCTP_INP_RUNLOCK(inp); 2908163953Srrs } else if (scact->scact_assoc_id) { 2909163953Srrs stcb = sctp_findassociation_ep_asocid(inp, scact->scact_assoc_id, 1); 2910163953Srrs if (stcb == NULL) { 2911163953Srrs error = ENOENT; 2912163953Srrs break; 2913163953Srrs } 2914163953Srrs } 2915163953Srrs if (stcb != NULL) { 2916163953Srrs /* get the active key on the assoc */ 2917163953Srrs scact->scact_keynumber = stcb->asoc.authinfo.assoc_keyid; 2918163953Srrs SCTP_TCB_UNLOCK(stcb); 2919163953Srrs } else { 2920163953Srrs /* get the endpoint active key */ 2921163953Srrs SCTP_INP_RLOCK(inp); 2922163953Srrs scact->scact_keynumber = inp->sctp_ep.default_keyid; 2923163953Srrs SCTP_INP_RUNLOCK(inp); 2924163953Srrs } 2925163953Srrs m->m_len = sizeof(*scact); 2926163953Srrs break; 2927163953Srrs } 2928163953Srrs case SCTP_LOCAL_AUTH_CHUNKS: 2929163953Srrs { 2930163953Srrs struct sctp_authchunks *sac; 2931163953Srrs sctp_auth_chklist_t *chklist = NULL; 2932163953Srrs int size = 0; 2933163953Srrs 2934163953Srrs if ((size_t)(m->m_len) < sizeof(*sac)) { 2935163953Srrs error = EINVAL; 2936163953Srrs break; 2937163953Srrs } 2938163953Srrs sac = mtod(m, struct sctp_authchunks *); 2939163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 2940163953Srrs /* 2941163953Srrs * if one-to-one, get from the connected 2942163953Srrs * assoc; else endpoint 2943163953Srrs */ 2944163953Srrs SCTP_INP_RLOCK(inp); 2945163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 2946163953Srrs if (stcb != NULL) 2947163953Srrs SCTP_TCB_LOCK(stcb); 2948163953Srrs SCTP_INP_RUNLOCK(inp); 2949163953Srrs } else if (sac->gauth_assoc_id) { 2950163953Srrs stcb = sctp_findassociation_ep_asocid(inp, sac->gauth_assoc_id, 1); 2951163953Srrs if (stcb == NULL) { 2952163953Srrs error = ENOENT; 2953163953Srrs break; 2954163953Srrs } 2955163953Srrs } 2956163953Srrs if (stcb != NULL) { 2957163953Srrs /* get off the assoc */ 2958163953Srrs chklist = stcb->asoc.local_auth_chunks; 2959163953Srrs if (chklist == NULL) { 2960163953Srrs error = EINVAL; 2961163953Srrs SCTP_TCB_UNLOCK(stcb); 2962163953Srrs break; 2963163953Srrs } 2964163953Srrs /* is there enough space? */ 2965163953Srrs size = sctp_auth_get_chklist_size(chklist); 2966163953Srrs if ((size_t)m->m_len < (sizeof(struct sctp_authchunks) + size)) { 2967163953Srrs error = EINVAL; 2968163953Srrs SCTP_TCB_UNLOCK(stcb); 2969163953Srrs break; 2970163953Srrs } 2971163953Srrs /* copy in the chunks */ 2972163953Srrs sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2973163953Srrs SCTP_TCB_UNLOCK(stcb); 2974163953Srrs } else { 2975163953Srrs /* get off the endpoint */ 2976163953Srrs SCTP_INP_RLOCK(inp); 2977163953Srrs chklist = inp->sctp_ep.local_auth_chunks; 2978163953Srrs if (chklist == NULL) { 2979163953Srrs error = EINVAL; 2980163953Srrs SCTP_INP_RUNLOCK(inp); 2981163953Srrs break; 2982163953Srrs } 2983163953Srrs /* is there enough space? */ 2984163953Srrs size = sctp_auth_get_chklist_size(chklist); 2985163953Srrs if ((size_t)m->m_len < (sizeof(struct sctp_authchunks) + size)) { 2986163953Srrs error = EINVAL; 2987163953Srrs SCTP_INP_RUNLOCK(inp); 2988163953Srrs break; 2989163953Srrs } 2990163953Srrs /* copy in the chunks */ 2991163953Srrs sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2992163953Srrs SCTP_INP_RUNLOCK(inp); 2993163953Srrs } 2994163953Srrs m->m_len = sizeof(struct sctp_authchunks) + size; 2995163953Srrs break; 2996163953Srrs } 2997163953Srrs case SCTP_PEER_AUTH_CHUNKS: 2998163953Srrs { 2999163953Srrs struct sctp_authchunks *sac; 3000163953Srrs sctp_auth_chklist_t *chklist = NULL; 3001163953Srrs int size = 0; 3002163953Srrs 3003163953Srrs if ((size_t)(m->m_len) < sizeof(*sac)) { 3004163953Srrs error = EINVAL; 3005163953Srrs break; 3006163953Srrs } 3007163953Srrs sac = mtod(m, struct sctp_authchunks *); 3008163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 3009163953Srrs /* 3010163953Srrs * if one-to-one, get from the connected 3011163953Srrs * assoc, else endpoint 3012163953Srrs */ 3013163953Srrs SCTP_INP_RLOCK(inp); 3014163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 3015163953Srrs if (stcb != NULL) 3016163953Srrs SCTP_TCB_LOCK(stcb); 3017163953Srrs SCTP_INP_RUNLOCK(inp); 3018163953Srrs } else if (sac->gauth_assoc_id) { 3019163953Srrs stcb = sctp_findassociation_ep_asocid(inp, sac->gauth_assoc_id, 1); 3020163953Srrs } 3021163953Srrs if (stcb == NULL) { 3022163953Srrs error = ENOENT; 3023163953Srrs break; 3024163953Srrs } 3025163953Srrs /* get off the assoc */ 3026163953Srrs chklist = stcb->asoc.peer_auth_chunks; 3027163953Srrs if (chklist == NULL) { 3028163953Srrs error = EINVAL; 3029163953Srrs SCTP_TCB_UNLOCK(stcb); 3030163953Srrs break; 3031163953Srrs } 3032163953Srrs /* is there enough space? */ 3033163953Srrs size = sctp_auth_get_chklist_size(chklist); 3034163953Srrs if ((size_t)m->m_len < (sizeof(struct sctp_authchunks) + size)) { 3035163953Srrs error = EINVAL; 3036163953Srrs SCTP_TCB_UNLOCK(stcb); 3037163953Srrs break; 3038163953Srrs } 3039163953Srrs /* copy in the chunks */ 3040163953Srrs sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 3041163953Srrs SCTP_TCB_UNLOCK(stcb); 3042163953Srrs m->m_len = sizeof(struct sctp_authchunks) + size; 3043163953Srrs break; 3044163953Srrs } 3045163953Srrs 3046163953Srrs 3047163953Srrs default: 3048163953Srrs error = ENOPROTOOPT; 3049163953Srrs m->m_len = 0; 3050163953Srrs break; 3051163953Srrs } /* end switch (sopt->sopt_name) */ 3052163953Srrs return (error); 3053163953Srrs} 3054163953Srrs 3055163953Srrs 3056163953Srrsstatic int 3057163953Srrssctp_optsset(struct socket *so, 3058163953Srrs int opt, 3059163953Srrs struct mbuf **mp, 3060163953Srrs struct thread *p 3061163953Srrs) 3062163953Srrs{ 3063163953Srrs int error, *mopt, set_opt, s; 3064163953Srrs struct mbuf *m; 3065163953Srrs struct sctp_tcb *stcb = NULL; 3066163953Srrs struct sctp_inpcb *inp; 3067163953Srrs 3068163953Srrs if (mp == NULL) { 3069163953Srrs return (EINVAL); 3070163953Srrs } 3071163953Srrs m = *mp; 3072163953Srrs if (m == NULL) 3073163953Srrs return (EINVAL); 3074163953Srrs 3075163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 3076163953Srrs if (inp == 0) 3077163953Srrs return EINVAL; 3078163953Srrs 3079163953Srrs error = 0; 3080163953Srrs switch (opt) { 3081163953Srrs case SCTP_NODELAY: 3082163953Srrs case SCTP_AUTOCLOSE: 3083163953Srrs case SCTP_AUTO_ASCONF: 3084163953Srrs case SCTP_EXPLICIT_EOR: 3085163953Srrs case SCTP_DISABLE_FRAGMENTS: 3086163953Srrs case SCTP_USE_EXT_RCVINFO: 3087163953Srrs case SCTP_I_WANT_MAPPED_V4_ADDR: 3088163953Srrs /* copy in the option value */ 3089163953Srrs if ((size_t)m->m_len < sizeof(int)) { 3090163953Srrs error = EINVAL; 3091163953Srrs break; 3092163953Srrs } 3093163953Srrs mopt = mtod(m, int *); 3094163953Srrs set_opt = 0; 3095163953Srrs if (error) 3096163953Srrs break; 3097163953Srrs switch (opt) { 3098163953Srrs case SCTP_DISABLE_FRAGMENTS: 3099163953Srrs set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3100163953Srrs break; 3101163953Srrs case SCTP_AUTO_ASCONF: 3102163953Srrs set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3103163953Srrs break; 3104163953Srrs case SCTP_EXPLICIT_EOR: 3105163953Srrs set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3106163953Srrs break; 3107163953Srrs case SCTP_USE_EXT_RCVINFO: 3108163953Srrs set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3109163953Srrs break; 3110163953Srrs case SCTP_I_WANT_MAPPED_V4_ADDR: 3111163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3112163953Srrs set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3113163953Srrs } else { 3114163953Srrs return (EINVAL); 3115163953Srrs } 3116163953Srrs break; 3117163953Srrs case SCTP_NODELAY: 3118163953Srrs set_opt = SCTP_PCB_FLAGS_NODELAY; 3119163953Srrs break; 3120163953Srrs case SCTP_AUTOCLOSE: 3121163953Srrs set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3122163953Srrs /* 3123163953Srrs * The value is in ticks. Note this does not effect 3124163953Srrs * old associations, only new ones. 3125163953Srrs */ 3126163953Srrs inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 3127163953Srrs break; 3128163953Srrs } 3129163953Srrs SCTP_INP_WLOCK(inp); 3130163953Srrs if (*mopt != 0) { 3131163953Srrs sctp_feature_on(inp, set_opt); 3132163953Srrs } else { 3133163953Srrs sctp_feature_off(inp, set_opt); 3134163953Srrs } 3135163953Srrs SCTP_INP_WUNLOCK(inp); 3136163953Srrs break; 3137163953Srrs case SCTP_PARTIAL_DELIVERY_POINT: 3138163953Srrs { 3139163953Srrs if ((size_t)m->m_len < sizeof(unsigned int)) { 3140163953Srrs error = EINVAL; 3141163953Srrs break; 3142163953Srrs } 3143163953Srrs inp->partial_delivery_point = *mtod(m, unsigned int *); 3144163953Srrs m->m_len = sizeof(unsigned int); 3145163953Srrs } 3146163953Srrs break; 3147163953Srrs case SCTP_FRAGMENT_INTERLEAVE: 3148163953Srrs /* not yet until we re-write sctp_recvmsg() */ 3149163953Srrs { 3150163953Srrs int on_off; 3151163953Srrs 3152163953Srrs if ((size_t)m->m_len < sizeof(int)) { 3153163953Srrs error = EINVAL; 3154163953Srrs break; 3155163953Srrs } 3156163964Srrs on_off = *(mtod(m, int *)); 3157163953Srrs if (on_off) { 3158163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3159163953Srrs } else { 3160163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3161163953Srrs } 3162163953Srrs } 3163163953Srrs break; 3164163953Srrs case SCTP_CMT_ON_OFF: 3165163953Srrs { 3166163953Srrs struct sctp_assoc_value *av; 3167163953Srrs 3168163953Srrs if ((size_t)m->m_len < sizeof(struct sctp_assoc_value)) { 3169163953Srrs error = EINVAL; 3170163953Srrs break; 3171163953Srrs } 3172163953Srrs av = mtod(m, struct sctp_assoc_value *); 3173163953Srrs stcb = sctp_findassociation_ep_asocid(inp, av->assoc_id, 1); 3174163953Srrs if (stcb == NULL) { 3175163953Srrs error = ENOTCONN; 3176163953Srrs } else { 3177163953Srrs if (sctp_cmt_on_off) { 3178163953Srrs stcb->asoc.sctp_cmt_on_off = (uint8_t) av->assoc_value; 3179163953Srrs } else { 3180163953Srrs if ((stcb->asoc.sctp_cmt_on_off) && (av->assoc_value == 0)) { 3181163953Srrs stcb->asoc.sctp_cmt_on_off = 0; 3182163953Srrs } else { 3183163953Srrs error = EACCES; 3184163953Srrs } 3185163953Srrs } 3186163953Srrs SCTP_TCB_UNLOCK(stcb); 3187163953Srrs } 3188163953Srrs } 3189163953Srrs break; 3190163953Srrs case SCTP_CMT_USE_DAC: 3191163953Srrs { 3192163953Srrs if ((size_t)m->m_len < sizeof(unsigned int)) { 3193163953Srrs error = EINVAL; 3194163953Srrs break; 3195163953Srrs } 3196163953Srrs sctp_cmt_sockopt_use_dac = *mtod(m, unsigned int *); 3197163953Srrs if (sctp_cmt_sockopt_use_dac != 0) 3198163953Srrs sctp_cmt_sockopt_use_dac = 1; 3199163953Srrs } 3200163953Srrs break; 3201163953Srrs case SCTP_CLR_STAT_LOG: 3202163953Srrs#ifdef SCTP_STAT_LOGGING 3203163953Srrs sctp_clr_stat_log(); 3204163953Srrs#else 3205163953Srrs error = EOPNOTSUPP; 3206163953Srrs#endif 3207163953Srrs break; 3208163953Srrs case SCTP_CONTEXT: 3209163953Srrs { 3210163953Srrs 3211163953Srrs struct sctp_assoc_value *av; 3212163953Srrs 3213163953Srrs if ((size_t)m->m_len < sizeof(struct sctp_assoc_value)) { 3214163953Srrs error = EINVAL; 3215163953Srrs break; 3216163953Srrs } 3217163953Srrs av = mtod(m, struct sctp_assoc_value *); 3218163953Srrs if (av->assoc_id) { 3219163953Srrs stcb = sctp_findassociation_ep_asocid(inp, av->assoc_id, 1); 3220163953Srrs if (stcb == NULL) { 3221163953Srrs error = ENOTCONN; 3222163953Srrs } else { 3223163953Srrs stcb->asoc.context = av->assoc_value; 3224163953Srrs SCTP_TCB_UNLOCK(stcb); 3225163953Srrs } 3226163953Srrs } else { 3227163953Srrs inp->sctp_context = av->assoc_value; 3228163953Srrs } 3229163953Srrs } 3230163953Srrs break; 3231163953Srrs case SCTP_DELAYED_ACK_TIME: 3232163953Srrs { 3233163953Srrs struct sctp_assoc_value *tm; 3234163953Srrs 3235163953Srrs if ((size_t)m->m_len < sizeof(struct sctp_assoc_value)) { 3236163953Srrs error = EINVAL; 3237163953Srrs break; 3238163953Srrs } 3239163953Srrs tm = mtod(m, struct sctp_assoc_value *); 3240163953Srrs 3241163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 3242163953Srrs SCTP_INP_WLOCK(inp); 3243163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 3244163953Srrs if (stcb) { 3245163953Srrs SCTP_TCB_LOCK(stcb); 3246163953Srrs stcb->asoc.delayed_ack = tm->assoc_value; 3247163953Srrs SCTP_TCB_UNLOCK(stcb); 3248163953Srrs } else { 3249163953Srrs inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(tm->assoc_value); 3250163953Srrs } 3251163953Srrs SCTP_INP_WUNLOCK(inp); 3252163953Srrs } else { 3253163953Srrs if (tm->assoc_id) { 3254163953Srrs stcb = sctp_findassociation_ep_asocid(inp, tm->assoc_id, 1); 3255163953Srrs if (stcb == NULL) { 3256163953Srrs error = ENOTCONN; 3257163953Srrs } else { 3258163953Srrs stcb->asoc.delayed_ack = tm->assoc_value; 3259163953Srrs SCTP_TCB_UNLOCK(stcb); 3260163953Srrs } 3261163953Srrs } else { 3262163953Srrs SCTP_INP_WLOCK(inp); 3263163953Srrs inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(tm->assoc_value); 3264163953Srrs SCTP_INP_WUNLOCK(inp); 3265163953Srrs } 3266163953Srrs } 3267163953Srrs } 3268163953Srrs break; 3269163953Srrs 3270163953Srrs case SCTP_AUTH_CHUNK: 3271163953Srrs { 3272163953Srrs struct sctp_authchunk *sauth; 3273163953Srrs 3274163953Srrs if ((size_t)m->m_len < sizeof(*sauth)) { 3275163953Srrs error = EINVAL; 3276163953Srrs break; 3277163953Srrs } 3278163953Srrs sauth = mtod(m, struct sctp_authchunk *); 3279163953Srrs if (sctp_auth_add_chunk(sauth->sauth_chunk, 3280163953Srrs inp->sctp_ep.local_auth_chunks)) 3281163953Srrs error = EINVAL; 3282163953Srrs break; 3283163953Srrs } 3284163953Srrs case SCTP_AUTH_KEY: 3285163953Srrs { 3286163953Srrs struct sctp_authkey *sca; 3287163953Srrs struct sctp_keyhead *shared_keys; 3288163953Srrs sctp_sharedkey_t *shared_key; 3289163953Srrs sctp_key_t *key = NULL; 3290163953Srrs int size; 3291163953Srrs 3292163953Srrs size = m->m_len - sizeof(*sca); 3293163953Srrs if (size < 0) { 3294163953Srrs error = EINVAL; 3295163953Srrs break; 3296163953Srrs } 3297163953Srrs sca = mtod(m, struct sctp_authkey *); 3298163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 3299163953Srrs /* 3300163953Srrs * if one-to-one, set it on the connected 3301163953Srrs * assoc; else endpoint 3302163953Srrs */ 3303163953Srrs SCTP_INP_RLOCK(inp); 3304163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 3305163953Srrs if (stcb) 3306163953Srrs SCTP_TCB_LOCK(stcb); 3307163953Srrs SCTP_INP_RUNLOCK(inp); 3308163953Srrs } else if (sca->sca_assoc_id) { 3309163953Srrs stcb = sctp_findassociation_ep_asocid(inp, sca->sca_assoc_id, 1); 3310163953Srrs if (stcb == NULL) { 3311163953Srrs error = ENOENT; 3312163953Srrs break; 3313163953Srrs } 3314163953Srrs } 3315163953Srrs if (stcb != NULL) { 3316163953Srrs /* set it on the assoc */ 3317163953Srrs shared_keys = &stcb->asoc.shared_keys; 3318163953Srrs /* clear the cached keys for this key id */ 3319163953Srrs sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 3320163953Srrs /* 3321163953Srrs * create the new shared key and 3322163953Srrs * insert/replace it 3323163953Srrs */ 3324163953Srrs if (size > 0) { 3325163953Srrs key = sctp_set_key(sca->sca_key, (uint32_t) size); 3326163953Srrs if (key == NULL) { 3327163953Srrs error = ENOMEM; 3328163953Srrs SCTP_TCB_UNLOCK(stcb); 3329163953Srrs break; 3330163953Srrs } 3331163953Srrs } 3332163953Srrs shared_key = sctp_alloc_sharedkey(); 3333163953Srrs if (shared_key == NULL) { 3334163953Srrs sctp_free_key(key); 3335163953Srrs error = ENOMEM; 3336163953Srrs SCTP_TCB_UNLOCK(stcb); 3337163953Srrs break; 3338163953Srrs } 3339163953Srrs shared_key->key = key; 3340163953Srrs shared_key->keyid = sca->sca_keynumber; 3341163953Srrs sctp_insert_sharedkey(shared_keys, shared_key); 3342163953Srrs SCTP_TCB_UNLOCK(stcb); 3343163953Srrs } else { 3344163953Srrs /* ste it on the endpoint */ 3345163953Srrs SCTP_INP_WLOCK(inp); 3346163953Srrs shared_keys = &inp->sctp_ep.shared_keys; 3347163953Srrs /* 3348163953Srrs * clear the cached keys on all assocs for 3349163953Srrs * this key id 3350163953Srrs */ 3351163953Srrs sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 3352163953Srrs /* 3353163953Srrs * create the new shared key and 3354163953Srrs * insert/replace it 3355163953Srrs */ 3356163953Srrs if (size > 0) { 3357163953Srrs key = sctp_set_key(sca->sca_key, (uint32_t) size); 3358163953Srrs if (key == NULL) { 3359163953Srrs error = ENOMEM; 3360163953Srrs SCTP_INP_WUNLOCK(inp); 3361163953Srrs break; 3362163953Srrs } 3363163953Srrs } 3364163953Srrs shared_key = sctp_alloc_sharedkey(); 3365163953Srrs if (shared_key == NULL) { 3366163953Srrs sctp_free_key(key); 3367163953Srrs error = ENOMEM; 3368163953Srrs SCTP_INP_WUNLOCK(inp); 3369163953Srrs break; 3370163953Srrs } 3371163953Srrs shared_key->key = key; 3372163953Srrs shared_key->keyid = sca->sca_keynumber; 3373163953Srrs sctp_insert_sharedkey(shared_keys, shared_key); 3374163953Srrs SCTP_INP_WUNLOCK(inp); 3375163953Srrs } 3376163953Srrs break; 3377163953Srrs } 3378163953Srrs case SCTP_HMAC_IDENT: 3379163953Srrs { 3380163953Srrs struct sctp_hmacalgo *shmac; 3381163953Srrs sctp_hmaclist_t *hmaclist; 3382163953Srrs uint32_t hmacid; 3383163953Srrs int size, i; 3384163953Srrs 3385163953Srrs size = m->m_len - sizeof(*shmac); 3386163953Srrs if (size < 0) { 3387163953Srrs error = EINVAL; 3388163953Srrs break; 3389163953Srrs } 3390163953Srrs shmac = mtod(m, struct sctp_hmacalgo *); 3391163953Srrs size = size / sizeof(shmac->shmac_idents[0]); 3392163953Srrs hmaclist = sctp_alloc_hmaclist(size); 3393163953Srrs if (hmaclist == NULL) { 3394163953Srrs error = ENOMEM; 3395163953Srrs break; 3396163953Srrs } 3397163953Srrs for (i = 0; i < size; i++) { 3398163953Srrs hmacid = shmac->shmac_idents[i]; 3399163953Srrs if (sctp_auth_add_hmacid(hmaclist, (uint16_t) hmacid)) { 3400163953Srrs /* invalid HMACs were found */ ; 3401163953Srrs error = EINVAL; 3402164085Srrs sctp_free_hmaclist(hmaclist); 3403163953Srrs goto sctp_set_hmac_done; 3404163953Srrs } 3405163953Srrs } 3406163953Srrs /* set it on the endpoint */ 3407163953Srrs SCTP_INP_WLOCK(inp); 3408163953Srrs if (inp->sctp_ep.local_hmacs) 3409163953Srrs sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 3410163953Srrs inp->sctp_ep.local_hmacs = hmaclist; 3411163953Srrs SCTP_INP_WUNLOCK(inp); 3412163953Srrs sctp_set_hmac_done: 3413163953Srrs break; 3414163953Srrs } 3415163953Srrs case SCTP_AUTH_ACTIVE_KEY: 3416163953Srrs { 3417163953Srrs struct sctp_authkeyid *scact; 3418163953Srrs 3419163953Srrs if ((size_t)m->m_len < sizeof(*scact)) { 3420163953Srrs error = EINVAL; 3421163953Srrs break; 3422163953Srrs } 3423163953Srrs scact = mtod(m, struct sctp_authkeyid *); 3424163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 3425163953Srrs /* 3426163953Srrs * if one-to-one, set it on the connected 3427163953Srrs * assoc; else endpoint 3428163953Srrs */ 3429163953Srrs SCTP_INP_RLOCK(inp); 3430163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 3431163953Srrs if (stcb) 3432163953Srrs SCTP_TCB_LOCK(stcb); 3433163953Srrs SCTP_INP_RUNLOCK(inp); 3434163953Srrs } else if (scact->scact_assoc_id) { 3435163953Srrs stcb = sctp_findassociation_ep_asocid(inp, scact->scact_assoc_id, 1); 3436163953Srrs if (stcb == NULL) { 3437163953Srrs error = ENOENT; 3438163953Srrs break; 3439163953Srrs } 3440163953Srrs } 3441163953Srrs /* set the active key on the right place */ 3442163953Srrs if (stcb != NULL) { 3443163953Srrs /* set the active key on the assoc */ 3444163953Srrs if (sctp_auth_setactivekey(stcb, scact->scact_keynumber)) 3445163953Srrs error = EINVAL; 3446163953Srrs SCTP_TCB_UNLOCK(stcb); 3447163953Srrs } else { 3448163953Srrs /* set the active key on the endpoint */ 3449163953Srrs SCTP_INP_WLOCK(inp); 3450163953Srrs if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) 3451163953Srrs error = EINVAL; 3452163953Srrs SCTP_INP_WUNLOCK(inp); 3453163953Srrs } 3454163953Srrs break; 3455163953Srrs } 3456163953Srrs case SCTP_AUTH_DELETE_KEY: 3457163953Srrs { 3458163953Srrs struct sctp_authkeyid *scdel; 3459163953Srrs 3460163953Srrs if ((size_t)m->m_len < sizeof(*scdel)) { 3461163953Srrs error = EINVAL; 3462163953Srrs break; 3463163953Srrs } 3464163953Srrs scdel = mtod(m, struct sctp_authkeyid *); 3465163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 3466163953Srrs /* 3467163953Srrs * if one-to-one, delete from the connected 3468163953Srrs * assoc; else endpoint 3469163953Srrs */ 3470163953Srrs SCTP_INP_RLOCK(inp); 3471163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 3472163953Srrs if (stcb) 3473163953Srrs SCTP_TCB_LOCK(stcb); 3474163953Srrs SCTP_INP_RUNLOCK(inp); 3475163953Srrs } else if (scdel->scact_assoc_id) { 3476163953Srrs stcb = sctp_findassociation_ep_asocid(inp, scdel->scact_assoc_id, 1); 3477163953Srrs if (stcb == NULL) { 3478163953Srrs error = ENOENT; 3479163953Srrs break; 3480163953Srrs } 3481163953Srrs } 3482163953Srrs /* delete the key from the right place */ 3483163953Srrs if (stcb != NULL) { 3484163953Srrs if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) 3485163953Srrs error = EINVAL; 3486163953Srrs SCTP_TCB_UNLOCK(stcb); 3487163953Srrs } else { 3488163953Srrs SCTP_INP_WLOCK(inp); 3489163953Srrs if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) 3490163953Srrs error = EINVAL; 3491163953Srrs SCTP_INP_WUNLOCK(inp); 3492163953Srrs } 3493163953Srrs break; 3494163953Srrs } 3495163953Srrs 3496163953Srrs case SCTP_RESET_STREAMS: 3497163953Srrs { 3498163953Srrs struct sctp_stream_reset *strrst; 3499163953Srrs uint8_t send_in = 0, send_tsn = 0, send_out = 0; 3500163953Srrs int i; 3501163953Srrs 3502163953Srrs if ((size_t)m->m_len < sizeof(struct sctp_stream_reset)) { 3503163953Srrs error = EINVAL; 3504163953Srrs break; 3505163953Srrs } 3506163953Srrs strrst = mtod(m, struct sctp_stream_reset *); 3507163953Srrs 3508163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 3509163953Srrs SCTP_INP_RLOCK(inp); 3510163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 3511163953Srrs if (stcb) 3512163953Srrs SCTP_TCB_LOCK(stcb); 3513163953Srrs SCTP_INP_RUNLOCK(inp); 3514163953Srrs } else 3515163953Srrs stcb = sctp_findassociation_ep_asocid(inp, strrst->strrst_assoc_id, 1); 3516163953Srrs if (stcb == NULL) { 3517163953Srrs error = ENOENT; 3518163953Srrs break; 3519163953Srrs } 3520163953Srrs if (stcb->asoc.peer_supports_strreset == 0) { 3521163953Srrs /* 3522163953Srrs * Peer does not support it, we return 3523163953Srrs * protocol not supported since this is true 3524163953Srrs * for this feature and this peer, not the 3525163953Srrs * socket request in general. 3526163953Srrs */ 3527163953Srrs error = EPROTONOSUPPORT; 3528163953Srrs SCTP_TCB_UNLOCK(stcb); 3529163953Srrs break; 3530163953Srrs } 3531163953Srrs if (stcb->asoc.stream_reset_outstanding) { 3532163953Srrs error = EALREADY; 3533163953Srrs SCTP_TCB_UNLOCK(stcb); 3534163953Srrs break; 3535163953Srrs } 3536163953Srrs if (strrst->strrst_flags == SCTP_RESET_LOCAL_RECV) { 3537163953Srrs send_in = 1; 3538163953Srrs } else if (strrst->strrst_flags == SCTP_RESET_LOCAL_SEND) { 3539163953Srrs send_out = 1; 3540163953Srrs } else if (strrst->strrst_flags == SCTP_RESET_BOTH) { 3541163953Srrs send_in = 1; 3542163953Srrs send_out = 1; 3543163953Srrs } else if (strrst->strrst_flags == SCTP_RESET_TSN) { 3544163953Srrs send_tsn = 1; 3545163953Srrs } else { 3546163953Srrs error = EINVAL; 3547163953Srrs SCTP_TCB_UNLOCK(stcb); 3548163953Srrs break; 3549163953Srrs } 3550163953Srrs for (i = 0; i < strrst->strrst_num_streams; i++) { 3551163953Srrs if ((send_in) && 3552163953Srrs 3553163953Srrs (strrst->strrst_list[i] > stcb->asoc.streamincnt)) { 3554163953Srrs error = EINVAL; 3555163953Srrs goto get_out; 3556163953Srrs } 3557163953Srrs if ((send_out) && 3558163953Srrs (strrst->strrst_list[i] > stcb->asoc.streamoutcnt)) { 3559163953Srrs error = EINVAL; 3560163953Srrs goto get_out; 3561163953Srrs } 3562163953Srrs } 3563163953Srrs if (error) { 3564163953Srrs get_out: 3565163953Srrs SCTP_TCB_UNLOCK(stcb); 3566163953Srrs break; 3567163953Srrs } 3568163953Srrs error = sctp_send_str_reset_req(stcb, strrst->strrst_num_streams, 3569163953Srrs strrst->strrst_list, 3570163953Srrs send_out, (stcb->asoc.str_reset_seq_in - 3), 3571163953Srrs send_in, send_tsn); 3572163953Srrs 3573163953Srrs s = splnet(); 3574163953Srrs sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ); 3575163953Srrs SCTP_TCB_UNLOCK(stcb); 3576163953Srrs splx(s); 3577163953Srrs 3578163953Srrs } 3579163953Srrs break; 3580163953Srrs case SCTP_CONNECT_X: 3581163953Srrs if ((size_t)m->m_len < (sizeof(int) + sizeof(struct sockaddr_in))) { 3582163953Srrs error = EINVAL; 3583163953Srrs break; 3584163953Srrs } 3585163953Srrs error = sctp_do_connect_x(so, inp, m, p, 0); 3586163953Srrs break; 3587163953Srrs 3588163953Srrs case SCTP_CONNECT_X_DELAYED: 3589163953Srrs if ((size_t)m->m_len < (sizeof(int) + sizeof(struct sockaddr_in))) { 3590163953Srrs error = EINVAL; 3591163953Srrs break; 3592163953Srrs } 3593163953Srrs error = sctp_do_connect_x(so, inp, m, p, 1); 3594163953Srrs break; 3595163953Srrs 3596163953Srrs case SCTP_CONNECT_X_COMPLETE: 3597163953Srrs { 3598163953Srrs struct sockaddr *sa; 3599163953Srrs struct sctp_nets *net; 3600163953Srrs 3601163953Srrs if ((size_t)m->m_len < sizeof(struct sockaddr_in)) { 3602163953Srrs error = EINVAL; 3603163953Srrs break; 3604163953Srrs } 3605163953Srrs sa = mtod(m, struct sockaddr *); 3606163953Srrs /* find tcb */ 3607163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 3608163953Srrs SCTP_INP_RLOCK(inp); 3609163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 3610163953Srrs if (stcb) { 3611163953Srrs SCTP_TCB_LOCK(stcb); 3612163953Srrs net = sctp_findnet(stcb, sa); 3613163953Srrs } 3614163953Srrs SCTP_INP_RUNLOCK(inp); 3615163953Srrs } else { 3616163953Srrs SCTP_INP_INCR_REF(inp); 3617163953Srrs stcb = sctp_findassociation_ep_addr(&inp, sa, &net, NULL, NULL); 3618163953Srrs if (stcb == NULL) { 3619163953Srrs SCTP_INP_DECR_REF(inp); 3620163953Srrs } 3621163953Srrs } 3622163953Srrs 3623163953Srrs if (stcb == NULL) { 3624163953Srrs error = ENOENT; 3625163953Srrs break; 3626163953Srrs } 3627163953Srrs if (stcb->asoc.delayed_connection == 1) { 3628163953Srrs stcb->asoc.delayed_connection = 0; 3629163953Srrs SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 3630163953Srrs sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 3631163953Srrs sctp_send_initiate(inp, stcb); 3632163953Srrs } else { 3633163953Srrs /* 3634163953Srrs * already expired or did not use delayed 3635163953Srrs * connectx 3636163953Srrs */ 3637163953Srrs error = EALREADY; 3638163953Srrs } 3639163953Srrs SCTP_TCB_UNLOCK(stcb); 3640163953Srrs } 3641163953Srrs break; 3642163953Srrs case SCTP_MAXBURST: 3643163953Srrs { 3644163953Srrs uint8_t *burst; 3645163953Srrs 3646163953Srrs SCTP_INP_WLOCK(inp); 3647163953Srrs burst = mtod(m, uint8_t *); 3648163953Srrs if (*burst) { 3649163953Srrs inp->sctp_ep.max_burst = *burst; 3650163953Srrs } 3651163953Srrs SCTP_INP_WUNLOCK(inp); 3652163953Srrs } 3653163953Srrs break; 3654163953Srrs case SCTP_MAXSEG: 3655163953Srrs { 3656163953Srrs uint32_t *segsize; 3657163953Srrs int ovh; 3658163953Srrs 3659163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3660163953Srrs ovh = SCTP_MED_OVERHEAD; 3661163953Srrs } else { 3662163953Srrs ovh = SCTP_MED_V4_OVERHEAD; 3663163953Srrs } 3664163953Srrs segsize = mtod(m, uint32_t *); 3665163953Srrs if (*segsize < 1) { 3666163953Srrs error = EINVAL; 3667163953Srrs break; 3668163953Srrs } 3669163953Srrs SCTP_INP_WLOCK(inp); 3670163953Srrs inp->sctp_frag_point = (*segsize + ovh); 3671163953Srrs if (inp->sctp_frag_point < MHLEN) { 3672163953Srrs inp->sctp_frag_point = MHLEN; 3673163953Srrs } 3674163953Srrs SCTP_INP_WUNLOCK(inp); 3675163953Srrs } 3676163953Srrs break; 3677163953Srrs case SCTP_SET_DEBUG_LEVEL: 3678163953Srrs#ifdef SCTP_DEBUG 3679163953Srrs { 3680163953Srrs uint32_t *level; 3681163953Srrs 3682163953Srrs if ((size_t)m->m_len < sizeof(uint32_t)) { 3683163953Srrs error = EINVAL; 3684163953Srrs break; 3685163953Srrs } 3686163953Srrs level = mtod(m, uint32_t *); 3687163953Srrs error = 0; 3688163953Srrs sctp_debug_on = (*level & (SCTP_DEBUG_ALL | 3689163953Srrs SCTP_DEBUG_NOISY)); 3690163953Srrs printf("SETTING DEBUG LEVEL to %x\n", 3691163953Srrs (uint32_t) sctp_debug_on); 3692163953Srrs 3693163953Srrs } 3694163953Srrs#else 3695163953Srrs error = EOPNOTSUPP; 3696163953Srrs#endif /* SCTP_DEBUG */ 3697163953Srrs break; 3698163953Srrs case SCTP_EVENTS: 3699163953Srrs { 3700163953Srrs struct sctp_event_subscribe *events; 3701163953Srrs 3702163953Srrs if ((size_t)m->m_len < sizeof(struct sctp_event_subscribe)) { 3703163953Srrs error = EINVAL; 3704163953Srrs break; 3705163953Srrs } 3706163953Srrs SCTP_INP_WLOCK(inp); 3707163953Srrs events = mtod(m, struct sctp_event_subscribe *); 3708163953Srrs if (events->sctp_data_io_event) { 3709163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 3710163953Srrs } else { 3711163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 3712163953Srrs } 3713163953Srrs 3714163953Srrs if (events->sctp_association_event) { 3715163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 3716163953Srrs } else { 3717163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 3718163953Srrs } 3719163953Srrs 3720163953Srrs if (events->sctp_address_event) { 3721163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 3722163953Srrs } else { 3723163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 3724163953Srrs } 3725163953Srrs 3726163953Srrs if (events->sctp_send_failure_event) { 3727163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 3728163953Srrs } else { 3729163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 3730163953Srrs } 3731163953Srrs 3732163953Srrs if (events->sctp_peer_error_event) { 3733163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 3734163953Srrs } else { 3735163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 3736163953Srrs } 3737163953Srrs 3738163953Srrs if (events->sctp_shutdown_event) { 3739163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 3740163953Srrs } else { 3741163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 3742163953Srrs } 3743163953Srrs 3744163953Srrs if (events->sctp_partial_delivery_event) { 3745163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 3746163953Srrs } else { 3747163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 3748163953Srrs } 3749163953Srrs 3750163953Srrs if (events->sctp_adaptation_layer_event) { 3751163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 3752163953Srrs } else { 3753163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 3754163953Srrs } 3755163953Srrs 3756163953Srrs if (events->sctp_authentication_event) { 3757163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 3758163953Srrs } else { 3759163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 3760163953Srrs } 3761163953Srrs 3762163953Srrs if (events->sctp_stream_reset_events) { 3763163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 3764163953Srrs } else { 3765163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 3766163953Srrs } 3767163953Srrs SCTP_INP_WUNLOCK(inp); 3768163953Srrs } 3769163953Srrs break; 3770163953Srrs 3771163953Srrs case SCTP_ADAPTATION_LAYER: 3772163953Srrs { 3773163953Srrs struct sctp_setadaptation *adap_bits; 3774163953Srrs 3775163953Srrs if ((size_t)m->m_len < sizeof(struct sctp_setadaptation)) { 3776163953Srrs error = EINVAL; 3777163953Srrs break; 3778163953Srrs } 3779163953Srrs SCTP_INP_WLOCK(inp); 3780163953Srrs adap_bits = mtod(m, struct sctp_setadaptation *); 3781163953Srrs inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 3782163953Srrs SCTP_INP_WUNLOCK(inp); 3783163953Srrs } 3784163953Srrs break; 3785163953Srrs case SCTP_SET_INITIAL_DBG_SEQ: 3786163953Srrs { 3787163953Srrs uint32_t *vvv; 3788163953Srrs 3789163953Srrs if ((size_t)m->m_len < sizeof(uint32_t)) { 3790163953Srrs error = EINVAL; 3791163953Srrs break; 3792163953Srrs } 3793163953Srrs SCTP_INP_WLOCK(inp); 3794163953Srrs vvv = mtod(m, uint32_t *); 3795163953Srrs inp->sctp_ep.initial_sequence_debug = *vvv; 3796163953Srrs SCTP_INP_WUNLOCK(inp); 3797163953Srrs } 3798163953Srrs break; 3799163953Srrs case SCTP_DEFAULT_SEND_PARAM: 3800163953Srrs { 3801163953Srrs struct sctp_sndrcvinfo *s_info; 3802163953Srrs 3803163953Srrs if (m->m_len != sizeof(struct sctp_sndrcvinfo)) { 3804163953Srrs error = EINVAL; 3805163953Srrs break; 3806163953Srrs } 3807163953Srrs s_info = mtod(m, struct sctp_sndrcvinfo *); 3808163953Srrs 3809163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 3810163953Srrs SCTP_INP_RLOCK(inp); 3811163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 3812163953Srrs if (stcb) 3813163953Srrs SCTP_TCB_LOCK(stcb); 3814163953Srrs SCTP_INP_RUNLOCK(inp); 3815163953Srrs } else { 3816163953Srrs if (s_info->sinfo_assoc_id) { 3817163953Srrs stcb = sctp_findassociation_ep_asocid(inp, s_info->sinfo_assoc_id, 1); 3818163953Srrs } else { 3819163953Srrs stcb = NULL; 3820163953Srrs } 3821163953Srrs } 3822163953Srrs if ((s_info->sinfo_assoc_id == 0) && 3823163953Srrs (stcb == NULL)) { 3824163953Srrs inp->def_send = *s_info; 3825163953Srrs } else if (stcb == NULL) { 3826163953Srrs error = ENOENT; 3827163953Srrs break; 3828163953Srrs } 3829163953Srrs /* Validate things */ 3830163953Srrs if (s_info->sinfo_stream > stcb->asoc.streamoutcnt) { 3831163953Srrs SCTP_TCB_UNLOCK(stcb); 3832163953Srrs error = EINVAL; 3833163953Srrs break; 3834163953Srrs } 3835163953Srrs /* Copy it in */ 3836163953Srrs stcb->asoc.def_send = *s_info; 3837163953Srrs SCTP_TCB_UNLOCK(stcb); 3838163953Srrs } 3839163953Srrs break; 3840163953Srrs case SCTP_PEER_ADDR_PARAMS: 3841163953Srrs /* Applys to the specific association */ 3842163953Srrs { 3843163953Srrs struct sctp_paddrparams *paddrp; 3844163953Srrs struct sctp_nets *net; 3845163953Srrs 3846163953Srrs if ((size_t)m->m_len < sizeof(struct sctp_paddrparams)) { 3847163953Srrs error = EINVAL; 3848163953Srrs break; 3849163953Srrs } 3850163953Srrs paddrp = mtod(m, struct sctp_paddrparams *); 3851163953Srrs net = NULL; 3852163953Srrs if (paddrp->spp_assoc_id) { 3853163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 3854163953Srrs SCTP_INP_RLOCK(inp); 3855163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 3856163953Srrs if (stcb) { 3857163953Srrs SCTP_TCB_LOCK(stcb); 3858163953Srrs net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 3859163953Srrs } 3860163953Srrs SCTP_INP_RUNLOCK(inp); 3861163953Srrs } else { 3862163953Srrs stcb = sctp_findassociation_ep_asocid(inp, paddrp->spp_assoc_id, 1); 3863163953Srrs } 3864163953Srrs if (stcb == NULL) { 3865163953Srrs error = ENOENT; 3866163953Srrs break; 3867163953Srrs } 3868163953Srrs } 3869163953Srrs if ((stcb == NULL) && 3870163953Srrs ((((struct sockaddr *)&paddrp->spp_address)->sa_family == AF_INET) || 3871163953Srrs (((struct sockaddr *)&paddrp->spp_address)->sa_family == AF_INET6))) { 3872163953Srrs /* Lookup via address */ 3873163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 3874163953Srrs SCTP_INP_RLOCK(inp); 3875163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 3876163953Srrs if (stcb) { 3877163953Srrs SCTP_TCB_LOCK(stcb); 3878163953Srrs net = sctp_findnet(stcb, 3879163953Srrs (struct sockaddr *)&paddrp->spp_address); 3880163953Srrs } 3881163953Srrs SCTP_INP_RUNLOCK(inp); 3882163953Srrs } else { 3883163953Srrs SCTP_INP_INCR_REF(inp); 3884163953Srrs stcb = sctp_findassociation_ep_addr(&inp, 3885163953Srrs (struct sockaddr *)&paddrp->spp_address, 3886163953Srrs &net, NULL, NULL); 3887163953Srrs if (stcb == NULL) { 3888163953Srrs SCTP_INP_DECR_REF(inp); 3889163953Srrs } 3890163953Srrs } 3891163953Srrs } 3892163953Srrs if (stcb) { 3893163953Srrs /************************TCB SPECIFIC SET ******************/ 3894163953Srrs /* sack delay first */ 3895163953Srrs if (paddrp->spp_flags & SPP_SACKDELAY_ENABLE) { 3896163953Srrs /* 3897163953Srrs * we do NOT support turning it off 3898163953Srrs * (yet). only setting the delay. 3899163953Srrs */ 3900163953Srrs if (paddrp->spp_sackdelay >= SCTP_CLOCK_GRANULARITY) 3901163953Srrs stcb->asoc.delayed_ack = paddrp->spp_sackdelay; 3902163953Srrs else 3903163953Srrs stcb->asoc.delayed_ack = SCTP_CLOCK_GRANULARITY; 3904163953Srrs 3905163953Srrs } else if (paddrp->spp_flags & SPP_SACKDELAY_DISABLE) { 3906163953Srrs stcb->asoc.delayed_ack = 0; 3907163953Srrs } 3908163953Srrs /* 3909163953Srrs * do we change the timer for HB, we run 3910163953Srrs * only one? 3911163953Srrs */ 3912163953Srrs if (paddrp->spp_hbinterval) 3913163953Srrs stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 3914163953Srrs else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 3915163953Srrs stcb->asoc.heart_beat_delay = 0; 3916163953Srrs 3917163953Srrs /* network sets ? */ 3918163953Srrs if (net) { 3919163953Srrs /************************NET SPECIFIC SET ******************/ 3920163953Srrs if (paddrp->spp_flags & SPP_HB_DEMAND) { 3921163953Srrs /* on demand HB */ 3922163953Srrs sctp_send_hb(stcb, 1, net); 3923163953Srrs } 3924163953Srrs if (paddrp->spp_flags & SPP_HB_DISABLE) { 3925163953Srrs net->dest_state |= SCTP_ADDR_NOHB; 3926163953Srrs } 3927163953Srrs if (paddrp->spp_flags & SPP_HB_ENABLE) { 3928163953Srrs net->dest_state &= ~SCTP_ADDR_NOHB; 3929163953Srrs } 3930163953Srrs if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 3931163953Srrs if (callout_pending(&net->pmtu_timer.timer)) { 3932163953Srrs sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 3933163953Srrs } 3934163953Srrs if (paddrp->spp_pathmtu > SCTP_DEFAULT_MINSEGMENT) { 3935163953Srrs net->mtu = paddrp->spp_pathmtu; 3936163953Srrs if (net->mtu < stcb->asoc.smallest_mtu) 3937163953Srrs sctp_pathmtu_adustment(inp, stcb, net, net->mtu); 3938163953Srrs } 3939163953Srrs } 3940163953Srrs if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 3941163953Srrs if (callout_pending(&net->pmtu_timer.timer)) { 3942163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 3943163953Srrs } 3944163953Srrs } 3945163953Srrs if (paddrp->spp_pathmaxrxt) 3946163953Srrs net->failure_threshold = paddrp->spp_pathmaxrxt; 3947163953Srrs#ifdef AF_INET 3948163953Srrs if (paddrp->spp_flags & SPP_IPV4_TOS) { 3949163953Srrs if (net->ro._l_addr.sin.sin_family == AF_INET) { 3950163953Srrs net->tos_flowlabel = paddrp->spp_ipv4_tos & 0x000000fc; 3951163953Srrs } 3952163953Srrs } 3953163953Srrs#endif 3954163953Srrs#ifdef AF_INET6 3955163953Srrs if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 3956163953Srrs if (net->ro._l_addr.sin6.sin6_family == AF_INET6) { 3957163953Srrs net->tos_flowlabel = paddrp->spp_ipv6_flowlabel; 3958163953Srrs } 3959163953Srrs } 3960163953Srrs#endif 3961163953Srrs } else { 3962163953Srrs /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 3963163953Srrs if (paddrp->spp_pathmaxrxt) 3964163953Srrs stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 3965163953Srrs 3966163953Srrs if (paddrp->spp_flags & SPP_HB_ENABLE) { 3967163953Srrs /* Turn back on the timer */ 3968163953Srrs stcb->asoc.hb_is_disabled = 0; 3969163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 3970163953Srrs } 3971163953Srrs if (paddrp->spp_flags & SPP_HB_DISABLE) { 3972163953Srrs int cnt_of_unconf = 0; 3973163953Srrs struct sctp_nets *lnet; 3974163953Srrs 3975163953Srrs stcb->asoc.hb_is_disabled = 1; 3976163953Srrs TAILQ_FOREACH(lnet, &stcb->asoc.nets, sctp_next) { 3977163953Srrs if (lnet->dest_state & SCTP_ADDR_UNCONFIRMED) { 3978163953Srrs cnt_of_unconf++; 3979163953Srrs } 3980163953Srrs } 3981163953Srrs /* 3982163953Srrs * stop the timer ONLY if we 3983163953Srrs * have no unconfirmed 3984163953Srrs * addresses 3985163953Srrs */ 3986163953Srrs if (cnt_of_unconf == 0) { 3987163953Srrs sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 3988163953Srrs } 3989163953Srrs } 3990163953Srrs if (paddrp->spp_flags & SPP_HB_ENABLE) { 3991163953Srrs /* start up the timer. */ 3992163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 3993163953Srrs } 3994163953Srrs#ifdef AF_INET 3995163953Srrs if (paddrp->spp_flags & SPP_IPV4_TOS) 3996163953Srrs stcb->asoc.default_tos = paddrp->spp_ipv4_tos & 0x000000fc; 3997163953Srrs#endif 3998163953Srrs#ifdef AF_INET6 3999163953Srrs if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) 4000163953Srrs stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel; 4001163953Srrs#endif 4002163953Srrs 4003163953Srrs } 4004163953Srrs SCTP_TCB_UNLOCK(stcb); 4005163953Srrs } else { 4006163953Srrs /************************NO TCB, SET TO default stuff ******************/ 4007163953Srrs SCTP_INP_WLOCK(inp); 4008163953Srrs /* 4009163953Srrs * For the TOS/FLOWLABEL stuff you set it 4010163953Srrs * with the options on the socket 4011163953Srrs */ 4012163953Srrs if (paddrp->spp_pathmaxrxt) { 4013163953Srrs inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 4014163953Srrs } 4015163953Srrs if (paddrp->spp_flags & SPP_HB_ENABLE) { 4016163953Srrs inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 4017163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4018163953Srrs } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 4019163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4020163953Srrs } 4021163953Srrs if (paddrp->spp_flags & SPP_SACKDELAY_ENABLE) { 4022163953Srrs if (paddrp->spp_sackdelay > SCTP_CLOCK_GRANULARITY) 4023163953Srrs inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(paddrp->spp_sackdelay); 4024163953Srrs else 4025163953Srrs inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(SCTP_CLOCK_GRANULARITY); 4026163953Srrs 4027163953Srrs } else if (paddrp->spp_flags & SPP_SACKDELAY_DISABLE) { 4028163953Srrs inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = 0; 4029163953Srrs } 4030163953Srrs SCTP_INP_WUNLOCK(inp); 4031163953Srrs } 4032163953Srrs } 4033163953Srrs break; 4034163953Srrs case SCTP_RTOINFO: 4035163953Srrs { 4036163953Srrs struct sctp_rtoinfo *srto; 4037163953Srrs 4038163953Srrs if ((size_t)m->m_len < sizeof(struct sctp_rtoinfo)) { 4039163953Srrs error = EINVAL; 4040163953Srrs break; 4041163953Srrs } 4042163953Srrs srto = mtod(m, struct sctp_rtoinfo *); 4043163953Srrs if (srto->srto_assoc_id == 0) { 4044163953Srrs SCTP_INP_WLOCK(inp); 4045163953Srrs /* 4046163953Srrs * If we have a null asoc, its default for 4047163953Srrs * the endpoint 4048163953Srrs */ 4049163953Srrs if (srto->srto_initial > 10) 4050163953Srrs inp->sctp_ep.initial_rto = srto->srto_initial; 4051163953Srrs if (srto->srto_max > 10) 4052163953Srrs inp->sctp_ep.sctp_maxrto = srto->srto_max; 4053163953Srrs if (srto->srto_min > 10) 4054163953Srrs inp->sctp_ep.sctp_minrto = srto->srto_min; 4055163953Srrs SCTP_INP_WUNLOCK(inp); 4056163953Srrs break; 4057163953Srrs } 4058163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4059163953Srrs SCTP_INP_RLOCK(inp); 4060163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 4061163953Srrs if (stcb) 4062163953Srrs SCTP_TCB_LOCK(stcb); 4063163953Srrs SCTP_INP_RUNLOCK(inp); 4064163953Srrs } else 4065163953Srrs stcb = sctp_findassociation_ep_asocid(inp, srto->srto_assoc_id, 1); 4066163953Srrs if (stcb == NULL) { 4067163953Srrs error = EINVAL; 4068163953Srrs break; 4069163953Srrs } 4070163953Srrs /* Set in ms we hope :-) */ 4071163953Srrs if (srto->srto_initial > 10) 4072163953Srrs stcb->asoc.initial_rto = srto->srto_initial; 4073163953Srrs if (srto->srto_max > 10) 4074163953Srrs stcb->asoc.maxrto = srto->srto_max; 4075163953Srrs if (srto->srto_min > 10) 4076163953Srrs stcb->asoc.minrto = srto->srto_min; 4077163953Srrs SCTP_TCB_UNLOCK(stcb); 4078163953Srrs } 4079163953Srrs break; 4080163953Srrs case SCTP_ASSOCINFO: 4081163953Srrs { 4082163953Srrs struct sctp_assocparams *sasoc; 4083163953Srrs 4084163953Srrs if ((size_t)m->m_len < sizeof(struct sctp_assocparams)) { 4085163953Srrs error = EINVAL; 4086163953Srrs break; 4087163953Srrs } 4088163953Srrs sasoc = mtod(m, struct sctp_assocparams *); 4089163953Srrs if (sasoc->sasoc_assoc_id) { 4090163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4091163953Srrs SCTP_INP_RLOCK(inp); 4092163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 4093163953Srrs if (stcb) 4094163953Srrs SCTP_TCB_LOCK(stcb); 4095163953Srrs SCTP_INP_RUNLOCK(inp); 4096163953Srrs } else 4097163953Srrs stcb = sctp_findassociation_ep_asocid(inp, 4098163953Srrs sasoc->sasoc_assoc_id, 1); 4099163953Srrs if (stcb == NULL) { 4100163953Srrs error = ENOENT; 4101163953Srrs break; 4102163953Srrs } 4103163953Srrs } else { 4104163953Srrs stcb = NULL; 4105163953Srrs } 4106163953Srrs if (stcb) { 4107163953Srrs if (sasoc->sasoc_asocmaxrxt) 4108163953Srrs stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 4109163953Srrs sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 4110163953Srrs sasoc->sasoc_peer_rwnd = 0; 4111163953Srrs sasoc->sasoc_local_rwnd = 0; 4112163953Srrs if (stcb->asoc.cookie_life) 4113163953Srrs stcb->asoc.cookie_life = sasoc->sasoc_cookie_life; 4114163953Srrs SCTP_TCB_UNLOCK(stcb); 4115163953Srrs } else { 4116163953Srrs SCTP_INP_WLOCK(inp); 4117163953Srrs if (sasoc->sasoc_asocmaxrxt) 4118163953Srrs inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 4119163953Srrs sasoc->sasoc_number_peer_destinations = 0; 4120163953Srrs sasoc->sasoc_peer_rwnd = 0; 4121163953Srrs sasoc->sasoc_local_rwnd = 0; 4122163953Srrs if (sasoc->sasoc_cookie_life) 4123163953Srrs inp->sctp_ep.def_cookie_life = sasoc->sasoc_cookie_life; 4124163953Srrs SCTP_INP_WUNLOCK(inp); 4125163953Srrs } 4126163953Srrs } 4127163953Srrs break; 4128163953Srrs case SCTP_INITMSG: 4129163953Srrs { 4130163953Srrs struct sctp_initmsg *sinit; 4131163953Srrs 4132163953Srrs if ((size_t)m->m_len < sizeof(struct sctp_initmsg)) { 4133163953Srrs error = EINVAL; 4134163953Srrs break; 4135163953Srrs } 4136163953Srrs sinit = mtod(m, struct sctp_initmsg *); 4137163953Srrs SCTP_INP_WLOCK(inp); 4138163953Srrs if (sinit->sinit_num_ostreams) 4139163953Srrs inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 4140163953Srrs 4141163953Srrs if (sinit->sinit_max_instreams) 4142163953Srrs inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 4143163953Srrs 4144163953Srrs if (sinit->sinit_max_attempts) 4145163953Srrs inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 4146163953Srrs 4147163953Srrs if (sinit->sinit_max_init_timeo > 10) 4148163953Srrs /* 4149163953Srrs * We must be at least a 100ms (we set in 4150163953Srrs * ticks) 4151163953Srrs */ 4152163953Srrs inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 4153163953Srrs SCTP_INP_WUNLOCK(inp); 4154163953Srrs } 4155163953Srrs break; 4156163953Srrs case SCTP_PRIMARY_ADDR: 4157163953Srrs { 4158163953Srrs struct sctp_setprim *spa; 4159163953Srrs struct sctp_nets *net, *lnet; 4160163953Srrs 4161163953Srrs if ((size_t)m->m_len < sizeof(struct sctp_setprim)) { 4162163953Srrs error = EINVAL; 4163163953Srrs break; 4164163953Srrs } 4165163953Srrs spa = mtod(m, struct sctp_setprim *); 4166163953Srrs 4167163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4168163953Srrs SCTP_INP_RLOCK(inp); 4169163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 4170163953Srrs if (stcb) { 4171163953Srrs SCTP_TCB_LOCK(stcb); 4172163953Srrs } else { 4173163953Srrs error = EINVAL; 4174163953Srrs break; 4175163953Srrs } 4176163953Srrs SCTP_INP_RUNLOCK(inp); 4177163953Srrs } else 4178163953Srrs stcb = sctp_findassociation_ep_asocid(inp, spa->ssp_assoc_id, 1); 4179163953Srrs if (stcb == NULL) { 4180163953Srrs /* One last shot */ 4181163953Srrs SCTP_INP_INCR_REF(inp); 4182163953Srrs stcb = sctp_findassociation_ep_addr(&inp, 4183163953Srrs (struct sockaddr *)&spa->ssp_addr, 4184163953Srrs &net, NULL, NULL); 4185163953Srrs if (stcb == NULL) { 4186163953Srrs SCTP_INP_DECR_REF(inp); 4187163953Srrs error = EINVAL; 4188163953Srrs break; 4189163953Srrs } 4190163953Srrs } else { 4191163953Srrs /* 4192163953Srrs * find the net, associd or connected lookup 4193163953Srrs * type 4194163953Srrs */ 4195163953Srrs net = sctp_findnet(stcb, (struct sockaddr *)&spa->ssp_addr); 4196163953Srrs if (net == NULL) { 4197163953Srrs SCTP_TCB_UNLOCK(stcb); 4198163953Srrs error = EINVAL; 4199163953Srrs break; 4200163953Srrs } 4201163953Srrs } 4202163953Srrs if ((net != stcb->asoc.primary_destination) && 4203163953Srrs (!(net->dest_state & SCTP_ADDR_UNCONFIRMED))) { 4204163953Srrs /* Ok we need to set it */ 4205163953Srrs lnet = stcb->asoc.primary_destination; 4206163953Srrs if (sctp_set_primary_addr(stcb, 4207163953Srrs (struct sockaddr *)NULL, 4208163953Srrs net) == 0) { 4209163953Srrs if (net->dest_state & SCTP_ADDR_SWITCH_PRIMARY) { 4210163953Srrs net->dest_state |= SCTP_ADDR_DOUBLE_SWITCH; 4211163953Srrs } 4212163953Srrs net->dest_state |= SCTP_ADDR_SWITCH_PRIMARY; 4213163953Srrs } 4214163953Srrs } 4215163953Srrs SCTP_TCB_UNLOCK(stcb); 4216163953Srrs } 4217163953Srrs break; 4218163953Srrs 4219163953Srrs case SCTP_SET_PEER_PRIMARY_ADDR: 4220163953Srrs { 4221163953Srrs struct sctp_setpeerprim *sspp; 4222163953Srrs 4223163953Srrs if ((size_t)m->m_len < sizeof(struct sctp_setpeerprim)) { 4224163953Srrs error = EINVAL; 4225163953Srrs break; 4226163953Srrs } 4227163953Srrs sspp = mtod(m, struct sctp_setpeerprim *); 4228163953Srrs 4229163953Srrs 4230163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4231163953Srrs SCTP_INP_RLOCK(inp); 4232163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 4233163953Srrs if (stcb) 4234163953Srrs SCTP_TCB_UNLOCK(stcb); 4235163953Srrs SCTP_INP_RUNLOCK(inp); 4236163953Srrs } else 4237163953Srrs stcb = sctp_findassociation_ep_asocid(inp, sspp->sspp_assoc_id, 1); 4238163953Srrs if (stcb == NULL) { 4239163953Srrs error = EINVAL; 4240163953Srrs break; 4241163953Srrs } 4242163953Srrs if (sctp_set_primary_ip_address_sa(stcb, (struct sockaddr *)&sspp->sspp_addr) != 0) { 4243163953Srrs error = EINVAL; 4244163953Srrs } 4245163953Srrs SCTP_TCB_UNLOCK(stcb); 4246163953Srrs } 4247163953Srrs break; 4248163953Srrs case SCTP_BINDX_ADD_ADDR: 4249163953Srrs { 4250163953Srrs struct sctp_getaddresses *addrs; 4251163953Srrs struct sockaddr *addr_touse; 4252163953Srrs struct sockaddr_in sin; 4253163953Srrs 4254163953Srrs /* see if we're bound all already! */ 4255163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 4256163953Srrs error = EINVAL; 4257163953Srrs break; 4258163953Srrs } 4259163953Srrs if ((size_t)m->m_len < sizeof(struct sctp_getaddresses)) { 4260163953Srrs error = EINVAL; 4261163953Srrs break; 4262163953Srrs } 4263163953Srrs addrs = mtod(m, struct sctp_getaddresses *); 4264163953Srrs addr_touse = addrs->addr; 4265163953Srrs if (addrs->addr->sa_family == AF_INET6) { 4266163953Srrs struct sockaddr_in6 *sin6; 4267163953Srrs 4268163953Srrs sin6 = (struct sockaddr_in6 *)addr_touse; 4269163953Srrs if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 4270163953Srrs in6_sin6_2_sin(&sin, sin6); 4271163953Srrs addr_touse = (struct sockaddr *)&sin; 4272163953Srrs } 4273163953Srrs } 4274163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 4275163953Srrs if (p == NULL) { 4276163953Srrs /* Can't get proc for Net/Open BSD */ 4277163953Srrs error = EINVAL; 4278163953Srrs break; 4279163953Srrs } 4280163953Srrs error = sctp_inpcb_bind(so, addr_touse, p); 4281163953Srrs break; 4282163953Srrs } 4283163953Srrs /* 4284163953Srrs * No locks required here since bind and mgmt_ep_sa 4285163953Srrs * all do their own locking. If we do something for 4286163953Srrs * the FIX: below we may need to lock in that case. 4287163953Srrs */ 4288163953Srrs if (addrs->sget_assoc_id == 0) { 4289163953Srrs /* add the address */ 4290163953Srrs struct sctp_inpcb *lep; 4291163953Srrs 4292163953Srrs ((struct sockaddr_in *)addr_touse)->sin_port = inp->sctp_lport; 4293163953Srrs lep = sctp_pcb_findep(addr_touse, 1, 0); 4294163953Srrs if (lep != NULL) { 4295163953Srrs /* 4296163953Srrs * We must decrement the refcount 4297163953Srrs * since we have the ep already and 4298163953Srrs * are binding. No remove going on 4299163953Srrs * here. 4300163953Srrs */ 4301163953Srrs SCTP_INP_DECR_REF(inp); 4302163953Srrs } 4303163953Srrs if (lep == inp) { 4304163953Srrs /* already bound to it.. ok */ 4305163953Srrs break; 4306163953Srrs } else if (lep == NULL) { 4307163953Srrs ((struct sockaddr_in *)addr_touse)->sin_port = 0; 4308163953Srrs error = sctp_addr_mgmt_ep_sa(inp, addr_touse, 4309163953Srrs SCTP_ADD_IP_ADDRESS); 4310163953Srrs } else { 4311163953Srrs error = EADDRNOTAVAIL; 4312163953Srrs } 4313163953Srrs if (error) 4314163953Srrs break; 4315163953Srrs 4316163953Srrs } else { 4317163953Srrs /* 4318163953Srrs * FIX: decide whether we allow assoc based 4319163953Srrs * bindx 4320163953Srrs */ 4321163953Srrs } 4322163953Srrs } 4323163953Srrs break; 4324163953Srrs case SCTP_BINDX_REM_ADDR: 4325163953Srrs { 4326163953Srrs struct sctp_getaddresses *addrs; 4327163953Srrs struct sockaddr *addr_touse; 4328163953Srrs struct sockaddr_in sin; 4329163953Srrs 4330163953Srrs /* see if we're bound all already! */ 4331163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 4332163953Srrs error = EINVAL; 4333163953Srrs break; 4334163953Srrs } 4335163953Srrs if ((size_t)m->m_len < sizeof(struct sctp_getaddresses)) { 4336163953Srrs error = EINVAL; 4337163953Srrs break; 4338163953Srrs } 4339163953Srrs addrs = mtod(m, struct sctp_getaddresses *); 4340163953Srrs addr_touse = addrs->addr; 4341163953Srrs if (addrs->addr->sa_family == AF_INET6) { 4342163953Srrs struct sockaddr_in6 *sin6; 4343163953Srrs 4344163953Srrs sin6 = (struct sockaddr_in6 *)addr_touse; 4345163953Srrs if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 4346163953Srrs in6_sin6_2_sin(&sin, sin6); 4347163953Srrs addr_touse = (struct sockaddr *)&sin; 4348163953Srrs } 4349163953Srrs } 4350163953Srrs /* 4351163953Srrs * No lock required mgmt_ep_sa does its own locking. 4352163953Srrs * If the FIX: below is ever changed we may need to 4353163953Srrs * lock before calling association level binding. 4354163953Srrs */ 4355163953Srrs if (addrs->sget_assoc_id == 0) { 4356163953Srrs /* delete the address */ 4357163953Srrs sctp_addr_mgmt_ep_sa(inp, addr_touse, 4358163953Srrs SCTP_DEL_IP_ADDRESS); 4359163953Srrs } else { 4360163953Srrs /* 4361163953Srrs * FIX: decide whether we allow assoc based 4362163953Srrs * bindx 4363163953Srrs */ 4364163953Srrs } 4365163953Srrs } 4366163953Srrs break; 4367163953Srrs default: 4368163953Srrs error = ENOPROTOOPT; 4369163953Srrs break; 4370163953Srrs } /* end switch (opt) */ 4371163953Srrs return (error); 4372163953Srrs} 4373163953Srrs 4374163953Srrs 4375163953Srrs 4376163953Srrsextern int sctp_chatty_mbuf; 4377163953Srrs 4378163953Srrsint 4379163953Srrssctp_ctloutput(struct socket *so, struct sockopt *sopt) 4380163953Srrs{ 4381163953Srrs struct mbuf *m = NULL; 4382163953Srrs struct sctp_inpcb *inp; 4383163953Srrs int s, error; 4384163953Srrs 4385163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 4386163953Srrs s = splnet(); 4387163953Srrs if (inp == 0) { 4388163953Srrs splx(s); 4389163953Srrs /* I made the same as TCP since we are not setup? */ 4390163953Srrs return (ECONNRESET); 4391163953Srrs } 4392163953Srrs if (sopt->sopt_level != IPPROTO_SCTP) { 4393163953Srrs /* wrong proto level... send back up to IP */ 4394163953Srrs#ifdef INET6 4395163953Srrs if (INP_CHECK_SOCKAF(so, AF_INET6)) 4396163953Srrs error = ip6_ctloutput(so, sopt); 4397163953Srrs else 4398163953Srrs#endif /* INET6 */ 4399163953Srrs error = ip_ctloutput(so, sopt); 4400163953Srrs splx(s); 4401163953Srrs return (error); 4402163953Srrs } 4403163953Srrs if (sopt->sopt_valsize) { 4404163953Srrs if (sopt->sopt_valsize < MLEN) { 4405163953Srrs m = sctp_get_mbuf_for_msg(1, 0, M_WAIT, 1, MT_DATA); 4406163953Srrs } else { 4407163953Srrs m = sctp_get_mbuf_for_msg(sopt->sopt_valsize, 0, M_WAIT, 1, MT_DATA); 4408163953Srrs } 4409163953Srrs if (m == NULL) { 4410163953Srrs sctp_m_freem(m); 4411163953Srrs splx(s); 4412163953Srrs return (ENOBUFS); 4413163953Srrs } 4414163953Srrs if (sopt->sopt_valsize > M_TRAILINGSPACE(m)) { 4415163953Srrs /* Limit to actual size gotten */ 4416163953Srrs sopt->sopt_valsize = M_TRAILINGSPACE(m); 4417163953Srrs } 4418163953Srrs error = sooptcopyin(sopt, mtod(m, caddr_t), sopt->sopt_valsize, 4419163953Srrs sopt->sopt_valsize); 4420163953Srrs if (error) { 4421163953Srrs (void)sctp_m_free(m); 4422163953Srrs goto out; 4423163953Srrs } 4424163953Srrs m->m_len = sopt->sopt_valsize; 4425163953Srrs } 4426163953Srrs if (sopt->sopt_dir == SOPT_SET) { 4427163953Srrs error = sctp_optsset(so, sopt->sopt_name, &m, sopt->sopt_td); 4428163953Srrs } else if (sopt->sopt_dir == SOPT_GET) { 4429163953Srrs error = sctp_optsget(so, sopt->sopt_name, &m, sopt->sopt_td); 4430163953Srrs } else { 4431163953Srrs error = EINVAL; 4432163953Srrs } 4433163953Srrs if ((error == 0) && (m != NULL)) { 4434163953Srrs error = sooptcopyout(sopt, mtod(m, caddr_t), m->m_len); 4435163953Srrs sctp_m_freem(m); 4436163953Srrs } else if (m != NULL) { 4437163953Srrs sctp_m_freem(m); 4438163953Srrs } 4439163953Srrsout: 4440163953Srrs splx(s); 4441163953Srrs return (error); 4442163953Srrs} 4443163953Srrs 4444163953Srrs 4445163953Srrsstatic int 4446163953Srrssctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 4447163953Srrs{ 4448163953Srrs int s = splnet(); 4449163953Srrs 4450163953Srrs int error = 0; 4451163953Srrs int create_lock_on = 0; 4452163953Srrs struct sctp_inpcb *inp; 4453163953Srrs struct sctp_tcb *stcb = NULL; 4454163953Srrs 4455163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 4456163953Srrs if (inp == 0) { 4457163953Srrs splx(s); 4458163953Srrs /* I made the same as TCP since we are not setup? */ 4459163953Srrs return (ECONNRESET); 4460163953Srrs } 4461163953Srrs SCTP_ASOC_CREATE_LOCK(inp); 4462163953Srrs create_lock_on = 1; 4463163953Srrs 4464163953Srrs SCTP_INP_INCR_REF(inp); 4465163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 4466163953Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 4467163953Srrs /* Should I really unlock ? */ 4468163953Srrs error = EFAULT; 4469163953Srrs goto out_now; 4470163953Srrs } 4471163953Srrs#ifdef INET6 4472163953Srrs if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 4473163953Srrs (addr->sa_family == AF_INET6)) { 4474163953Srrs error = EINVAL; 4475163953Srrs goto out_now; 4476163953Srrs } 4477163953Srrs#endif /* INET6 */ 4478163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 4479163953Srrs SCTP_PCB_FLAGS_UNBOUND) { 4480163953Srrs /* Bind a ephemeral port */ 4481163953Srrs error = sctp_inpcb_bind(so, NULL, p); 4482163953Srrs if (error) { 4483163953Srrs goto out_now; 4484163953Srrs } 4485163953Srrs } 4486163953Srrs /* Now do we connect? */ 4487163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) { 4488163953Srrs error = EINVAL; 4489163953Srrs goto out_now; 4490163953Srrs } 4491163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 4492163953Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 4493163953Srrs /* We are already connected AND the TCP model */ 4494163953Srrs error = EADDRINUSE; 4495163953Srrs goto out_now; 4496163953Srrs } 4497163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4498163953Srrs SCTP_INP_RLOCK(inp); 4499163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 4500163953Srrs if (stcb) 4501163953Srrs SCTP_TCB_UNLOCK(stcb); 4502163953Srrs SCTP_INP_RUNLOCK(inp); 4503163953Srrs } else { 4504163953Srrs /* 4505163953Srrs * Raise the count a second time, since on sucess 4506163953Srrs * f-a-ep_addr will decrement it. 4507163953Srrs */ 4508163953Srrs SCTP_INP_INCR_REF(inp); 4509163953Srrs stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 4510163953Srrs if (stcb == NULL) { 4511163953Srrs SCTP_INP_DECR_REF(inp); 4512163953Srrs } 4513163953Srrs } 4514163953Srrs if (stcb != NULL) { 4515163953Srrs /* Already have or am bring up an association */ 4516163953Srrs error = EALREADY; 4517163953Srrs goto out_now; 4518163953Srrs } 4519163953Srrs /* We are GOOD to go */ 4520163953Srrs stcb = sctp_aloc_assoc(inp, addr, 1, &error, 0); 4521163953Srrs if (stcb == NULL) { 4522163953Srrs /* Gak! no memory */ 4523163953Srrs splx(s); 4524163953Srrs return (error); 4525163953Srrs } 4526163953Srrs if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 4527163953Srrs stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 4528163953Srrs /* Set the connected flag so we can queue data */ 4529163953Srrs soisconnecting(so); 4530163953Srrs } 4531163953Srrs stcb->asoc.state = SCTP_STATE_COOKIE_WAIT; 4532163953Srrs SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4533163953Srrs 4534163953Srrs /* initialize authentication parameters for the assoc */ 4535163953Srrs sctp_initialize_auth_params(inp, stcb); 4536163953Srrs 4537163953Srrs sctp_send_initiate(inp, stcb); 4538163953Srrsout_now: 4539163953Srrs if (create_lock_on) 4540163953Srrs SCTP_ASOC_CREATE_UNLOCK(inp); 4541163953Srrs 4542163953Srrs if (stcb) 4543163953Srrs SCTP_TCB_UNLOCK(stcb); 4544163953Srrs SCTP_INP_DECR_REF(inp); 4545163953Srrs splx(s); 4546163953Srrs return error; 4547163953Srrs} 4548163953Srrs 4549163953Srrsint 4550163953Srrssctp_listen(struct socket *so, int backlog, struct thread *p) 4551163953Srrs{ 4552163953Srrs /* 4553163953Srrs * Note this module depends on the protocol processing being called 4554163953Srrs * AFTER any socket level flags and backlog are applied to the 4555163953Srrs * socket. The traditional way that the socket flags are applied is 4556163953Srrs * AFTER protocol processing. We have made a change to the 4557163953Srrs * sys/kern/uipc_socket.c module to reverse this but this MUST be in 4558163953Srrs * place if the socket API for SCTP is to work properly. 4559163953Srrs */ 4560163953Srrs int s = splnet(); 4561163953Srrs 4562163953Srrs int error = 0; 4563163953Srrs struct sctp_inpcb *inp; 4564163953Srrs 4565163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 4566163953Srrs if (inp == 0) { 4567163953Srrs splx(s); 4568163953Srrs /* I made the same as TCP since we are not setup? */ 4569163953Srrs return (ECONNRESET); 4570163953Srrs } 4571163953Srrs SCTP_INP_RLOCK(inp); 4572163953Srrs#ifdef SCTP_LOCK_LOGGING 4573163953Srrs sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 4574163953Srrs#endif 4575163953Srrs SOCK_LOCK(so); 4576163953Srrs error = solisten_proto_check(so); 4577163953Srrs if (error) { 4578163953Srrs SOCK_UNLOCK(so); 4579163953Srrs return (error); 4580163953Srrs } 4581163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 4582163953Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 4583163953Srrs /* We are already connected AND the TCP model */ 4584163953Srrs splx(s); 4585163953Srrs SCTP_INP_RUNLOCK(inp); 4586163953Srrs SOCK_UNLOCK(so); 4587163953Srrs return (EADDRINUSE); 4588163953Srrs } 4589163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 4590163953Srrs /* We must do a bind. */ 4591163953Srrs SCTP_INP_RUNLOCK(inp); 4592163953Srrs if ((error = sctp_inpcb_bind(so, NULL, p))) { 4593163953Srrs /* bind error, probably perm */ 4594163953Srrs SOCK_UNLOCK(so); 4595163953Srrs splx(s); 4596163953Srrs return (error); 4597163953Srrs } 4598163953Srrs } else { 4599163953Srrs SCTP_INP_RUNLOCK(inp); 4600163953Srrs } 4601163953Srrs /* It appears for 7.0 and on, we must always call this. */ 4602163953Srrs solisten_proto(so, backlog); 4603163953Srrs 4604163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 4605163953Srrs /* remove the ACCEPTCONN flag for one-to-many sockets */ 4606163953Srrs so->so_options &= ~SO_ACCEPTCONN; 4607163953Srrs } 4608163953Srrs if (backlog == 0) { 4609163953Srrs /* turning off listen */ 4610163953Srrs so->so_options &= ~SO_ACCEPTCONN; 4611163953Srrs } 4612163953Srrs SOCK_UNLOCK(so); 4613163953Srrs splx(s); 4614163953Srrs return (error); 4615163953Srrs} 4616163953Srrs 4617163953Srrsstatic int sctp_defered_wakeup_cnt = 0; 4618163953Srrs 4619163953Srrsint 4620163953Srrssctp_accept(struct socket *so, struct sockaddr **addr) 4621163953Srrs{ 4622163953Srrs int s = splnet(); 4623163953Srrs 4624163953Srrs struct sctp_tcb *stcb; 4625163953Srrs struct sctp_inpcb *inp; 4626163953Srrs union sctp_sockstore store; 4627163953Srrs 4628163953Srrs int error; 4629163953Srrs 4630163953Srrs 4631163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 4632163953Srrs 4633163953Srrs if (inp == 0) { 4634163953Srrs splx(s); 4635163953Srrs return (ECONNRESET); 4636163953Srrs } 4637163953Srrs SCTP_INP_RLOCK(inp); 4638163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 4639163953Srrs return (ENOTSUP); 4640163953Srrs } 4641163953Srrs if (so->so_state & SS_ISDISCONNECTED) { 4642163953Srrs splx(s); 4643163953Srrs SCTP_INP_RUNLOCK(inp); 4644163953Srrs return (ECONNABORTED); 4645163953Srrs } 4646163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 4647163953Srrs if (stcb == NULL) { 4648163953Srrs splx(s); 4649163953Srrs SCTP_INP_RUNLOCK(inp); 4650163953Srrs return (ECONNRESET); 4651163953Srrs } 4652163953Srrs SCTP_TCB_LOCK(stcb); 4653163953Srrs SCTP_INP_RUNLOCK(inp); 4654163953Srrs store = stcb->asoc.primary_destination->ro._l_addr; 4655163953Srrs SCTP_TCB_UNLOCK(stcb); 4656163953Srrs if (store.sa.sa_family == AF_INET) { 4657163953Srrs struct sockaddr_in *sin; 4658163953Srrs 4659163953Srrs SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 4660163953Srrs sin->sin_family = AF_INET; 4661163953Srrs sin->sin_len = sizeof(*sin); 4662163953Srrs sin->sin_port = ((struct sockaddr_in *)&store)->sin_port; 4663163953Srrs sin->sin_addr = ((struct sockaddr_in *)&store)->sin_addr; 4664163953Srrs *addr = (struct sockaddr *)sin; 4665163953Srrs } else { 4666163953Srrs struct sockaddr_in6 *sin6; 4667163953Srrs 4668163953Srrs SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 4669163953Srrs sin6->sin6_family = AF_INET6; 4670163953Srrs sin6->sin6_len = sizeof(*sin6); 4671163953Srrs sin6->sin6_port = ((struct sockaddr_in6 *)&store)->sin6_port; 4672163953Srrs 4673163953Srrs sin6->sin6_addr = ((struct sockaddr_in6 *)&store)->sin6_addr; 4674164085Srrs if ((error = sa6_recoverscope(sin6)) != 0) { 4675164085Srrs SCTP_FREE_SONAME(sin6); 4676163953Srrs return (error); 4677164085Srrs } 4678163953Srrs *addr = (struct sockaddr *)sin6; 4679163953Srrs } 4680163953Srrs /* Wake any delayed sleep action */ 4681163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 4682163953Srrs inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 4683163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 4684163953Srrs inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 4685163953Srrs SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 4686163953Srrs if (sowriteable(inp->sctp_socket)) { 4687163953Srrs sowwakeup_locked(inp->sctp_socket); 4688163953Srrs } else { 4689163953Srrs SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 4690163953Srrs } 4691163953Srrs } 4692163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 4693163953Srrs inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 4694163953Srrs SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 4695163953Srrs if (soreadable(inp->sctp_socket)) { 4696163953Srrs sctp_defered_wakeup_cnt++; 4697163953Srrs sorwakeup_locked(inp->sctp_socket); 4698163953Srrs } else { 4699163953Srrs SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 4700163953Srrs } 4701163953Srrs } 4702163953Srrs } 4703163953Srrs splx(s); 4704163953Srrs return (0); 4705163953Srrs} 4706163953Srrs 4707163953Srrsint 4708163953Srrssctp_ingetaddr(struct socket *so, struct sockaddr **addr) 4709163953Srrs{ 4710163953Srrs struct sockaddr_in *sin; 4711163953Srrs 4712163953Srrs int s; 4713163953Srrs struct sctp_inpcb *inp; 4714163953Srrs 4715163953Srrs /* 4716163953Srrs * Do the malloc first in case it blocks. 4717163953Srrs */ 4718163953Srrs SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 4719163953Srrs sin->sin_family = AF_INET; 4720163953Srrs sin->sin_len = sizeof(*sin); 4721163953Srrs s = splnet(); 4722163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 4723163953Srrs if (!inp) { 4724163953Srrs splx(s); 4725163953Srrs SCTP_FREE_SONAME(sin); 4726163953Srrs return ECONNRESET; 4727163953Srrs } 4728163953Srrs SCTP_INP_RLOCK(inp); 4729163953Srrs sin->sin_port = inp->sctp_lport; 4730163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 4731163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4732163953Srrs struct sctp_tcb *stcb; 4733163953Srrs struct sockaddr_in *sin_a; 4734163953Srrs struct sctp_nets *net; 4735163953Srrs int fnd; 4736163953Srrs 4737163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 4738163953Srrs if (stcb == NULL) { 4739163953Srrs goto notConn; 4740163953Srrs } 4741163953Srrs fnd = 0; 4742163953Srrs sin_a = NULL; 4743163953Srrs SCTP_TCB_LOCK(stcb); 4744163953Srrs TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4745163953Srrs sin_a = (struct sockaddr_in *)&net->ro._l_addr; 4746164085Srrs if (sin_a == NULL) 4747164085Srrs /* this will make coverity happy */ 4748164085Srrs continue; 4749164085Srrs 4750163953Srrs if (sin_a->sin_family == AF_INET) { 4751163953Srrs fnd = 1; 4752163953Srrs break; 4753163953Srrs } 4754163953Srrs } 4755163953Srrs if ((!fnd) || (sin_a == NULL)) { 4756163953Srrs /* punt */ 4757163953Srrs SCTP_TCB_UNLOCK(stcb); 4758163953Srrs goto notConn; 4759163953Srrs } 4760163953Srrs sin->sin_addr = sctp_ipv4_source_address_selection(inp, 4761163953Srrs stcb, (struct route *)&net->ro, net, 0); 4762163953Srrs SCTP_TCB_UNLOCK(stcb); 4763163953Srrs } else { 4764163953Srrs /* For the bound all case you get back 0 */ 4765163953Srrs notConn: 4766163953Srrs sin->sin_addr.s_addr = 0; 4767163953Srrs } 4768163953Srrs 4769163953Srrs } else { 4770163953Srrs /* Take the first IPv4 address in the list */ 4771163953Srrs struct sctp_laddr *laddr; 4772163953Srrs int fnd = 0; 4773163953Srrs 4774163953Srrs LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 4775163953Srrs if (laddr->ifa->ifa_addr->sa_family == AF_INET) { 4776163953Srrs struct sockaddr_in *sin_a; 4777163953Srrs 4778163953Srrs sin_a = (struct sockaddr_in *)laddr->ifa->ifa_addr; 4779163953Srrs sin->sin_addr = sin_a->sin_addr; 4780163953Srrs fnd = 1; 4781163953Srrs break; 4782163953Srrs } 4783163953Srrs } 4784163953Srrs if (!fnd) { 4785163953Srrs splx(s); 4786163953Srrs SCTP_FREE_SONAME(sin); 4787163953Srrs SCTP_INP_RUNLOCK(inp); 4788163953Srrs return ENOENT; 4789163953Srrs } 4790163953Srrs } 4791163953Srrs SCTP_INP_RUNLOCK(inp); 4792163953Srrs splx(s); 4793163953Srrs (*addr) = (struct sockaddr *)sin; 4794163953Srrs return (0); 4795163953Srrs} 4796163953Srrs 4797163953Srrsint 4798163953Srrssctp_peeraddr(struct socket *so, struct sockaddr **addr) 4799163953Srrs{ 4800163953Srrs struct sockaddr_in *sin = (struct sockaddr_in *)*addr; 4801163953Srrs 4802163953Srrs int s, fnd; 4803163953Srrs struct sockaddr_in *sin_a; 4804163953Srrs struct sctp_inpcb *inp; 4805163953Srrs struct sctp_tcb *stcb; 4806163953Srrs struct sctp_nets *net; 4807163953Srrs 4808163953Srrs 4809163953Srrs /* Do the malloc first in case it blocks. */ 4810163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 4811163953Srrs if ((inp == NULL) || 4812163953Srrs ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 4813163953Srrs /* UDP type and listeners will drop out here */ 4814163953Srrs return (ENOTCONN); 4815163953Srrs } 4816163953Srrs s = splnet(); 4817163953Srrs 4818163953Srrs SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 4819163953Srrs sin->sin_family = AF_INET; 4820163953Srrs sin->sin_len = sizeof(*sin); 4821163953Srrs 4822163953Srrs /* We must recapture incase we blocked */ 4823163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 4824163953Srrs if (!inp) { 4825163953Srrs splx(s); 4826163953Srrs SCTP_FREE_SONAME(sin); 4827163953Srrs return ECONNRESET; 4828163953Srrs } 4829163953Srrs SCTP_INP_RLOCK(inp); 4830163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 4831163953Srrs if (stcb) 4832163953Srrs SCTP_TCB_LOCK(stcb); 4833163953Srrs SCTP_INP_RUNLOCK(inp); 4834163953Srrs if (stcb == NULL) { 4835163953Srrs splx(s); 4836163953Srrs SCTP_FREE_SONAME(sin); 4837163953Srrs return ECONNRESET; 4838163953Srrs } 4839163953Srrs fnd = 0; 4840163953Srrs TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4841163953Srrs sin_a = (struct sockaddr_in *)&net->ro._l_addr; 4842163953Srrs if (sin_a->sin_family == AF_INET) { 4843163953Srrs fnd = 1; 4844163953Srrs sin->sin_port = stcb->rport; 4845163953Srrs sin->sin_addr = sin_a->sin_addr; 4846163953Srrs break; 4847163953Srrs } 4848163953Srrs } 4849163953Srrs SCTP_TCB_UNLOCK(stcb); 4850163953Srrs if (!fnd) { 4851163953Srrs /* No IPv4 address */ 4852163953Srrs splx(s); 4853163953Srrs SCTP_FREE_SONAME(sin); 4854163953Srrs return ENOENT; 4855163953Srrs } 4856163953Srrs splx(s); 4857163953Srrs (*addr) = (struct sockaddr *)sin; 4858163953Srrs return (0); 4859163953Srrs} 4860163953Srrs 4861163953Srrsstruct pr_usrreqs sctp_usrreqs = { 4862163953Srrs .pru_abort = sctp_abort, 4863163953Srrs .pru_accept = sctp_accept, 4864163953Srrs .pru_attach = sctp_attach, 4865163953Srrs .pru_bind = sctp_bind, 4866163953Srrs .pru_connect = sctp_connect, 4867163953Srrs .pru_control = in_control, 4868163953Srrs .pru_close = sctp_close, 4869163953Srrs .pru_detach = sctp_close, 4870163953Srrs .pru_sopoll = sopoll_generic, 4871163953Srrs .pru_disconnect = sctp_disconnect, 4872163953Srrs .pru_listen = sctp_listen, 4873163953Srrs .pru_peeraddr = sctp_peeraddr, 4874163953Srrs .pru_send = sctp_sendm, 4875163953Srrs .pru_shutdown = sctp_shutdown, 4876163953Srrs .pru_sockaddr = sctp_ingetaddr, 4877163953Srrs .pru_sosend = sctp_sosend, 4878163953Srrs .pru_soreceive = sctp_soreceive 4879163953Srrs}; 4880