sctp_usrreq.c revision 214939
1163953Srrs/*- 2185694Srrs * Copyright (c) 2001-2008, by 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 214939 2010-11-07 18:50:35Z tuexen $"); 35166086Srrs#include <netinet/sctp_os.h> 36163953Srrs#include <sys/proc.h> 37163953Srrs#include <netinet/sctp_pcb.h> 38163953Srrs#include <netinet/sctp_header.h> 39163953Srrs#include <netinet/sctp_var.h> 40167695Srrs#if defined(INET6) 41167695Srrs#endif 42167598Srrs#include <netinet/sctp_sysctl.h> 43163953Srrs#include <netinet/sctp_output.h> 44163953Srrs#include <netinet/sctp_uio.h> 45163953Srrs#include <netinet/sctp_asconf.h> 46163953Srrs#include <netinet/sctputil.h> 47163953Srrs#include <netinet/sctp_indata.h> 48163953Srrs#include <netinet/sctp_timer.h> 49163953Srrs#include <netinet/sctp_auth.h> 50170091Srrs#include <netinet/sctp_bsd_addr.h> 51171440Srrs#include <netinet/sctp_cc_functions.h> 52185694Srrs#include <netinet/udp.h> 53164085Srrs 54163953Srrs 55163953Srrs 56170091Srrs 57163953Srrsvoid 58163953Srrssctp_init(void) 59163953Srrs{ 60163953Srrs u_long sb_max_adj; 61163953Srrs 62179783Srrs bzero(&SCTP_BASE_STATS, sizeof(struct sctpstat)); 63163953Srrs 64179783Srrs /* Initialize and modify the sysctled variables */ 65179783Srrs sctp_init_sysctls(); 66163953Srrs if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 67179783Srrs SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 68163953Srrs /* 69163953Srrs * Allow a user to take no more than 1/2 the number of clusters or 70163953Srrs * the SB_MAX whichever is smaller for the send window. 71163953Srrs */ 72163953Srrs sb_max_adj = (u_long)((u_quad_t) (SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 73179783Srrs SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 74170056Srrs (((uint32_t) nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT)); 75163953Srrs /* 76163953Srrs * Now for the recv window, should we take the same amount? or 77163953Srrs * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 78163953Srrs * now I will just copy. 79163953Srrs */ 80179783Srrs SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 81163953Srrs 82179783Srrs SCTP_BASE_VAR(first_time) = 0; 83179783Srrs SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 84179783Srrs sctp_pcb_init(); 85179783Srrs#if defined(SCTP_PACKET_LOGGING) 86179783Srrs SCTP_BASE_VAR(packet_log_writers) = 0; 87179783Srrs SCTP_BASE_VAR(packet_log_end) = 0; 88179783Srrs bzero(&SCTP_BASE_VAR(packet_log_buffer), SCTP_PACKET_LOG_SIZE); 89179783Srrs#endif 90179783Srrs 91179783Srrs 92163953Srrs} 93163953Srrs 94179783Srrsvoid 95179783Srrssctp_finish(void) 96179783Srrs{ 97179783Srrs sctp_pcb_finish(); 98179783Srrs} 99163953Srrs 100166023Srrs 101163953Srrs 102179157Srrsvoid 103167695Srrssctp_pathmtu_adjustment(struct sctp_inpcb *inp, 104163953Srrs struct sctp_tcb *stcb, 105163953Srrs struct sctp_nets *net, 106163953Srrs uint16_t nxtsz) 107163953Srrs{ 108163953Srrs struct sctp_tmit_chunk *chk; 109197257Stuexen uint16_t overhead; 110163953Srrs 111163953Srrs /* Adjust that too */ 112163953Srrs stcb->asoc.smallest_mtu = nxtsz; 113163953Srrs /* now off to subtract IP_DF flag if needed */ 114197257Stuexen overhead = IP_HDR_SIZE; 115197257Stuexen if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) { 116197257Stuexen overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id); 117197257Stuexen } 118163953Srrs TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) { 119197257Stuexen if ((chk->send_size + overhead) > nxtsz) { 120163953Srrs chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 121163953Srrs } 122163953Srrs } 123163953Srrs TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) { 124197257Stuexen if ((chk->send_size + overhead) > nxtsz) { 125163953Srrs /* 126163953Srrs * For this guy we also mark for immediate resend 127163953Srrs * since we sent to big of chunk 128163953Srrs */ 129163953Srrs chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 130190689Srrs if (chk->sent < SCTP_DATAGRAM_RESEND) { 131190689Srrs sctp_flight_size_decrease(chk); 132190689Srrs sctp_total_flight_decrease(stcb, chk); 133190689Srrs } 134163953Srrs if (chk->sent != SCTP_DATAGRAM_RESEND) { 135163953Srrs sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt); 136163953Srrs } 137163953Srrs chk->sent = SCTP_DATAGRAM_RESEND; 138163953Srrs chk->rec.data.doing_fast_retransmit = 0; 139179783Srrs if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 140170744Srrs sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 141170744Srrs chk->whoTo->flight_size, 142170744Srrs chk->book_size, 143170744Srrs (uintptr_t) chk->whoTo, 144170744Srrs chk->rec.data.TSN_seq); 145170744Srrs } 146163953Srrs /* Clear any time so NO RTT is being done */ 147163953Srrs chk->do_rtt = 0; 148163953Srrs } 149163953Srrs } 150163953Srrs} 151163953Srrs 152163953Srrsstatic void 153163953Srrssctp_notify_mbuf(struct sctp_inpcb *inp, 154163953Srrs struct sctp_tcb *stcb, 155163953Srrs struct sctp_nets *net, 156163953Srrs struct ip *ip, 157163953Srrs struct sctphdr *sh) 158163953Srrs{ 159163953Srrs struct icmp *icmph; 160163953Srrs int totsz, tmr_stopped = 0; 161163953Srrs uint16_t nxtsz; 162163953Srrs 163163953Srrs /* protection */ 164163953Srrs if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 165163953Srrs (ip == NULL) || (sh == NULL)) { 166169420Srrs if (stcb != NULL) { 167163953Srrs SCTP_TCB_UNLOCK(stcb); 168169420Srrs } 169163953Srrs return; 170163953Srrs } 171163953Srrs /* First job is to verify the vtag matches what I would send */ 172163953Srrs if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 173163953Srrs SCTP_TCB_UNLOCK(stcb); 174163953Srrs return; 175163953Srrs } 176163953Srrs icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 177163953Srrs sizeof(struct ip))); 178163953Srrs if (icmph->icmp_type != ICMP_UNREACH) { 179163953Srrs /* We only care about unreachable */ 180163953Srrs SCTP_TCB_UNLOCK(stcb); 181163953Srrs return; 182163953Srrs } 183163953Srrs if (icmph->icmp_code != ICMP_UNREACH_NEEDFRAG) { 184163953Srrs /* not a unreachable message due to frag. */ 185163953Srrs SCTP_TCB_UNLOCK(stcb); 186163953Srrs return; 187163953Srrs } 188163953Srrs totsz = ip->ip_len; 189163953Srrs 190171943Srrs nxtsz = ntohs(icmph->icmp_nextmtu); 191163953Srrs if (nxtsz == 0) { 192163953Srrs /* 193163953Srrs * old type router that does not tell us what the next size 194163953Srrs * mtu is. Rats we will have to guess (in a educated fashion 195163953Srrs * of course) 196163953Srrs */ 197214939Stuexen nxtsz = sctp_get_prev_mtu(totsz); 198163953Srrs } 199163953Srrs /* Stop any PMTU timer */ 200165647Srrs if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 201163953Srrs tmr_stopped = 1; 202165220Srrs sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 203165220Srrs SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 204163953Srrs } 205163953Srrs /* Adjust destination size limit */ 206163953Srrs if (net->mtu > nxtsz) { 207163953Srrs net->mtu = nxtsz; 208185694Srrs if (net->port) { 209185694Srrs net->mtu -= sizeof(struct udphdr); 210185694Srrs } 211163953Srrs } 212163953Srrs /* now what about the ep? */ 213163953Srrs if (stcb->asoc.smallest_mtu > nxtsz) { 214167695Srrs sctp_pathmtu_adjustment(inp, stcb, net, nxtsz); 215163953Srrs } 216163953Srrs if (tmr_stopped) 217163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 218163953Srrs 219163953Srrs SCTP_TCB_UNLOCK(stcb); 220163953Srrs} 221163953Srrs 222163953Srrs 223163953Srrsvoid 224163953Srrssctp_notify(struct sctp_inpcb *inp, 225172091Srrs struct ip *ip, 226163953Srrs struct sctphdr *sh, 227163953Srrs struct sockaddr *to, 228163953Srrs struct sctp_tcb *stcb, 229163953Srrs struct sctp_nets *net) 230163953Srrs{ 231172090Srrs#if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 232172090Srrs struct socket *so; 233172090Srrs 234172090Srrs#endif 235163953Srrs /* protection */ 236172091Srrs int reason; 237172091Srrs struct icmp *icmph; 238172091Srrs 239172091Srrs 240163953Srrs if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 241163953Srrs (sh == NULL) || (to == NULL)) { 242172091Srrs if (stcb) 243172091Srrs SCTP_TCB_UNLOCK(stcb); 244163953Srrs return; 245163953Srrs } 246163953Srrs /* First job is to verify the vtag matches what I would send */ 247163953Srrs if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 248172091Srrs SCTP_TCB_UNLOCK(stcb); 249163953Srrs return; 250163953Srrs } 251172091Srrs icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 252172091Srrs sizeof(struct ip))); 253172091Srrs if (icmph->icmp_type != ICMP_UNREACH) { 254172091Srrs /* We only care about unreachable */ 255172091Srrs SCTP_TCB_UNLOCK(stcb); 256172091Srrs return; 257172091Srrs } 258172091Srrs if ((icmph->icmp_code == ICMP_UNREACH_NET) || 259172091Srrs (icmph->icmp_code == ICMP_UNREACH_HOST) || 260172091Srrs (icmph->icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 261172091Srrs (icmph->icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 262172091Srrs (icmph->icmp_code == ICMP_UNREACH_ISOLATED) || 263172091Srrs (icmph->icmp_code == ICMP_UNREACH_NET_PROHIB) || 264172091Srrs (icmph->icmp_code == ICMP_UNREACH_HOST_PROHIB) || 265172091Srrs (icmph->icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 266163953Srrs 267163953Srrs /* 268163953Srrs * Hmm reachablity problems we must examine closely. If its 269163953Srrs * not reachable, we may have lost a network. Or if there is 270163953Srrs * NO protocol at the other end named SCTP. well we consider 271163953Srrs * it a OOTB abort. 272163953Srrs */ 273172091Srrs if (net->dest_state & SCTP_ADDR_REACHABLE) { 274172091Srrs /* Ok that destination is NOT reachable */ 275172091Srrs SCTP_PRINTF("ICMP (thresh %d/%d) takes interface %p down\n", 276172091Srrs net->error_count, 277172091Srrs net->failure_threshold, 278172091Srrs net); 279167598Srrs 280172091Srrs net->dest_state &= ~SCTP_ADDR_REACHABLE; 281172091Srrs net->dest_state |= SCTP_ADDR_NOT_REACHABLE; 282163953Srrs /* 283172091Srrs * JRS 5/14/07 - If a destination is unreachable, 284172091Srrs * the PF bit is turned off. This allows an 285172091Srrs * unambiguous use of the PF bit for destinations 286172091Srrs * that are reachable but potentially failed. If the 287172091Srrs * destination is set to the unreachable state, also 288172091Srrs * set the destination to the PF state. 289163953Srrs */ 290172091Srrs /* 291172091Srrs * Add debug message here if destination is not in 292172091Srrs * PF state. 293172091Srrs */ 294172091Srrs /* Stop any running T3 timers here? */ 295211944Stuexen if ((stcb->asoc.sctp_cmt_on_off == 1) && 296211944Stuexen (stcb->asoc.sctp_cmt_pf > 0)) { 297172091Srrs net->dest_state &= ~SCTP_ADDR_PF; 298172091Srrs SCTPDBG(SCTP_DEBUG_TIMER4, "Destination %p moved from PF to unreachable.\n", 299172091Srrs net); 300172091Srrs } 301172091Srrs net->error_count = net->failure_threshold + 1; 302172091Srrs sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 303172091Srrs stcb, SCTP_FAILED_THRESHOLD, 304172091Srrs (void *)net, SCTP_SO_NOT_LOCKED); 305172091Srrs } 306172091Srrs SCTP_TCB_UNLOCK(stcb); 307172091Srrs } else if ((icmph->icmp_code == ICMP_UNREACH_PROTOCOL) || 308172091Srrs (icmph->icmp_code == ICMP_UNREACH_PORT)) { 309172091Srrs /* 310172091Srrs * Here the peer is either playing tricks on us, including 311172091Srrs * an address that belongs to someone who does not support 312172091Srrs * SCTP OR was a userland implementation that shutdown and 313172091Srrs * now is dead. In either case treat it like a OOTB abort 314172091Srrs * with no TCB 315172091Srrs */ 316172091Srrs reason = SCTP_PEER_FAULTY; 317172091Srrs sctp_abort_notification(stcb, reason, SCTP_SO_NOT_LOCKED); 318172090Srrs#if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 319172091Srrs so = SCTP_INP_SO(inp); 320172091Srrs atomic_add_int(&stcb->asoc.refcnt, 1); 321172091Srrs SCTP_TCB_UNLOCK(stcb); 322172091Srrs SCTP_SOCKET_LOCK(so, 1); 323172091Srrs SCTP_TCB_LOCK(stcb); 324172091Srrs atomic_subtract_int(&stcb->asoc.refcnt, 1); 325172090Srrs#endif 326172091Srrs (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 327172090Srrs#if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 328172091Srrs SCTP_SOCKET_UNLOCK(so, 1); 329172091Srrs /* SCTP_TCB_UNLOCK(stcb); MT: I think this is not needed. */ 330172090Srrs#endif 331172091Srrs /* no need to unlock here, since the TCB is gone */ 332163953Srrs } else { 333172091Srrs SCTP_TCB_UNLOCK(stcb); 334163953Srrs } 335163953Srrs} 336163953Srrs 337163953Srrsvoid 338163953Srrssctp_ctlinput(cmd, sa, vip) 339163953Srrs int cmd; 340163953Srrs struct sockaddr *sa; 341163953Srrs void *vip; 342163953Srrs{ 343163953Srrs struct ip *ip = vip; 344163953Srrs struct sctphdr *sh; 345167598Srrs uint32_t vrf_id; 346163953Srrs 347168299Srrs /* FIX, for non-bsd is this right? */ 348167598Srrs vrf_id = SCTP_DEFAULT_VRFID; 349163953Srrs if (sa->sa_family != AF_INET || 350163953Srrs ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 351163953Srrs return; 352163953Srrs } 353163953Srrs if (PRC_IS_REDIRECT(cmd)) { 354163953Srrs ip = 0; 355163953Srrs } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 356163953Srrs return; 357163953Srrs } 358163953Srrs if (ip) { 359163953Srrs struct sctp_inpcb *inp = NULL; 360163953Srrs struct sctp_tcb *stcb = NULL; 361163953Srrs struct sctp_nets *net = NULL; 362163953Srrs struct sockaddr_in to, from; 363163953Srrs 364163953Srrs sh = (struct sctphdr *)((caddr_t)ip + (ip->ip_hl << 2)); 365163953Srrs bzero(&to, sizeof(to)); 366163953Srrs bzero(&from, sizeof(from)); 367163953Srrs from.sin_family = to.sin_family = AF_INET; 368163953Srrs from.sin_len = to.sin_len = sizeof(to); 369163953Srrs from.sin_port = sh->src_port; 370163953Srrs from.sin_addr = ip->ip_src; 371163953Srrs to.sin_port = sh->dest_port; 372163953Srrs to.sin_addr = ip->ip_dst; 373163953Srrs 374163953Srrs /* 375163953Srrs * 'to' holds the dest of the packet that failed to be sent. 376163953Srrs * 'from' holds our local endpoint address. Thus we reverse 377163953Srrs * the to and the from in the lookup. 378163953Srrs */ 379163953Srrs stcb = sctp_findassociation_addr_sa((struct sockaddr *)&from, 380163953Srrs (struct sockaddr *)&to, 381167598Srrs &inp, &net, 1, vrf_id); 382163953Srrs if (stcb != NULL && inp && (inp->sctp_socket != NULL)) { 383163953Srrs if (cmd != PRC_MSGSIZE) { 384172091Srrs sctp_notify(inp, ip, sh, 385163953Srrs (struct sockaddr *)&to, stcb, 386163953Srrs net); 387163953Srrs } else { 388163953Srrs /* handle possible ICMP size messages */ 389163953Srrs sctp_notify_mbuf(inp, stcb, net, ip, sh); 390163953Srrs } 391163953Srrs } else { 392163953Srrs if ((stcb == NULL) && (inp != NULL)) { 393163953Srrs /* reduce ref-count */ 394163953Srrs SCTP_INP_WLOCK(inp); 395163953Srrs SCTP_INP_DECR_REF(inp); 396163953Srrs SCTP_INP_WUNLOCK(inp); 397163953Srrs } 398209029Srrs if (stcb) { 399209029Srrs SCTP_TCB_UNLOCK(stcb); 400209029Srrs } 401163953Srrs } 402163953Srrs } 403163953Srrs return; 404163953Srrs} 405163953Srrs 406163953Srrsstatic int 407163953Srrssctp_getcred(SYSCTL_HANDLER_ARGS) 408163953Srrs{ 409164085Srrs struct xucred xuc; 410163953Srrs struct sockaddr_in addrs[2]; 411163953Srrs struct sctp_inpcb *inp; 412163953Srrs struct sctp_nets *net; 413163953Srrs struct sctp_tcb *stcb; 414164085Srrs int error; 415167598Srrs uint32_t vrf_id; 416163953Srrs 417168299Srrs /* FIX, for non-bsd is this right? */ 418167598Srrs vrf_id = SCTP_DEFAULT_VRFID; 419168299Srrs 420170587Srwatson error = priv_check(req->td, PRIV_NETINET_GETCRED); 421170587Srwatson 422163953Srrs if (error) 423163953Srrs return (error); 424164039Srwatson 425163953Srrs error = SYSCTL_IN(req, addrs, sizeof(addrs)); 426163953Srrs if (error) 427163953Srrs return (error); 428163953Srrs 429163953Srrs stcb = sctp_findassociation_addr_sa(sintosa(&addrs[0]), 430163953Srrs sintosa(&addrs[1]), 431167598Srrs &inp, &net, 1, vrf_id); 432163953Srrs if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 433163953Srrs if ((inp != NULL) && (stcb == NULL)) { 434163953Srrs /* reduce ref-count */ 435163953Srrs SCTP_INP_WLOCK(inp); 436163953Srrs SCTP_INP_DECR_REF(inp); 437164085Srrs goto cred_can_cont; 438163953Srrs } 439171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 440163953Srrs error = ENOENT; 441163953Srrs goto out; 442163953Srrs } 443163953Srrs SCTP_TCB_UNLOCK(stcb); 444164085Srrs /* 445164085Srrs * We use the write lock here, only since in the error leg we need 446164085Srrs * it. If we used RLOCK, then we would have to 447164085Srrs * wlock/decr/unlock/rlock. Which in theory could create a hole. 448164085Srrs * Better to use higher wlock. 449164085Srrs */ 450164085Srrs SCTP_INP_WLOCK(inp); 451164085Srrscred_can_cont: 452164085Srrs error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 453164085Srrs if (error) { 454164085Srrs SCTP_INP_WUNLOCK(inp); 455164085Srrs goto out; 456164085Srrs } 457164085Srrs cru2x(inp->sctp_socket->so_cred, &xuc); 458164085Srrs SCTP_INP_WUNLOCK(inp); 459164085Srrs error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 460163953Srrsout: 461163953Srrs return (error); 462163953Srrs} 463163953Srrs 464163953SrrsSYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW, 465163953Srrs 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection"); 466163953Srrs 467163953Srrs 468163953Srrsstatic void 469163953Srrssctp_abort(struct socket *so) 470163953Srrs{ 471163953Srrs struct sctp_inpcb *inp; 472163953Srrs uint32_t flags; 473163953Srrs 474163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 475171943Srrs if (inp == 0) { 476163953Srrs return; 477171943Srrs } 478163953Srrssctp_must_try_again: 479163953Srrs flags = inp->sctp_flags; 480163953Srrs#ifdef SCTP_LOG_CLOSING 481163953Srrs sctp_log_closing(inp, NULL, 17); 482163953Srrs#endif 483163953Srrs if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 484163953Srrs (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 485163953Srrs#ifdef SCTP_LOG_CLOSING 486163953Srrs sctp_log_closing(inp, NULL, 16); 487163953Srrs#endif 488169380Srrs sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 489169380Srrs SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 490163953Srrs SOCK_LOCK(so); 491167695Srrs SCTP_SB_CLEAR(so->so_snd); 492163953Srrs /* 493163953Srrs * same for the rcv ones, they are only here for the 494163953Srrs * accounting/select. 495163953Srrs */ 496167695Srrs SCTP_SB_CLEAR(so->so_rcv); 497167695Srrs 498167695Srrs /* Now null out the reference, we are completely detached. */ 499163953Srrs so->so_pcb = NULL; 500163953Srrs SOCK_UNLOCK(so); 501163953Srrs } else { 502163953Srrs flags = inp->sctp_flags; 503163953Srrs if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 504163953Srrs goto sctp_must_try_again; 505163953Srrs } 506163953Srrs } 507163953Srrs return; 508163953Srrs} 509163953Srrs 510163953Srrsstatic int 511163953Srrssctp_attach(struct socket *so, int proto, struct thread *p) 512163953Srrs{ 513163953Srrs struct sctp_inpcb *inp; 514163953Srrs struct inpcb *ip_inp; 515166086Srrs int error; 516170205Srrs uint32_t vrf_id = SCTP_DEFAULT_VRFID; 517185694Srrs 518171167Sgnn#ifdef IPSEC 519163953Srrs uint32_t flags; 520185694Srrs 521185435Sbz#endif 522171440Srrs 523163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 524163953Srrs if (inp != 0) { 525171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 526163953Srrs return EINVAL; 527163953Srrs } 528184030Srrs if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 529184030Srrs error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 530184030Srrs if (error) { 531184030Srrs return error; 532184030Srrs } 533163953Srrs } 534170205Srrs error = sctp_inpcb_alloc(so, vrf_id); 535163953Srrs if (error) { 536163953Srrs return error; 537163953Srrs } 538163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 539163953Srrs SCTP_INP_WLOCK(inp); 540163953Srrs inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 541163953Srrs ip_inp = &inp->ip_inp.inp; 542163953Srrs ip_inp->inp_vflag |= INP_IPV4; 543197288Srrs ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 544171167Sgnn#ifdef IPSEC 545171133Sgnn error = ipsec_init_policy(so, &ip_inp->inp_sp); 546163953Srrs#ifdef SCTP_LOG_CLOSING 547163953Srrs sctp_log_closing(inp, NULL, 17); 548163953Srrs#endif 549163953Srrs if (error != 0) { 550202523Srrstry_again: 551163953Srrs flags = inp->sctp_flags; 552163953Srrs if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 553163953Srrs (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 554163953Srrs#ifdef SCTP_LOG_CLOSING 555163953Srrs sctp_log_closing(inp, NULL, 15); 556163953Srrs#endif 557169352Srrs SCTP_INP_WUNLOCK(inp); 558169380Srrs sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 559169380Srrs SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 560169254Srrs } else { 561202523Srrs flags = inp->sctp_flags; 562202523Srrs if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 563202523Srrs goto try_again; 564202523Srrs } else { 565202523Srrs SCTP_INP_WUNLOCK(inp); 566202523Srrs } 567163953Srrs } 568163953Srrs return error; 569163953Srrs } 570171167Sgnn#endif /* IPSEC */ 571163953Srrs SCTP_INP_WUNLOCK(inp); 572163953Srrs return 0; 573163953Srrs} 574163953Srrs 575163953Srrsstatic int 576163953Srrssctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 577163953Srrs{ 578171943Srrs struct sctp_inpcb *inp = NULL; 579166086Srrs int error; 580163953Srrs 581163953Srrs#ifdef INET6 582171943Srrs if (addr && addr->sa_family != AF_INET) { 583163953Srrs /* must be a v4 address! */ 584171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 585163953Srrs return EINVAL; 586171943Srrs } 587163953Srrs#endif /* INET6 */ 588170056Srrs if (addr && (addr->sa_len != sizeof(struct sockaddr_in))) { 589171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 590170056Srrs return EINVAL; 591170056Srrs } 592163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 593171943Srrs if (inp == 0) { 594171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 595163953Srrs return EINVAL; 596171943Srrs } 597171572Srrs error = sctp_inpcb_bind(so, addr, NULL, p); 598163953Srrs return error; 599163953Srrs} 600163953Srrs 601171990Srrsvoid 602163953Srrssctp_close(struct socket *so) 603163953Srrs{ 604163953Srrs struct sctp_inpcb *inp; 605163953Srrs uint32_t flags; 606163953Srrs 607163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 608163953Srrs if (inp == 0) 609163953Srrs return; 610163953Srrs 611163953Srrs /* 612163953Srrs * Inform all the lower layer assoc that we are done. 613163953Srrs */ 614163953Srrssctp_must_try_again: 615163953Srrs flags = inp->sctp_flags; 616163953Srrs#ifdef SCTP_LOG_CLOSING 617163953Srrs sctp_log_closing(inp, NULL, 17); 618163953Srrs#endif 619163953Srrs if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 620163953Srrs (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 621163953Srrs if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 622163953Srrs (so->so_rcv.sb_cc > 0)) { 623163953Srrs#ifdef SCTP_LOG_CLOSING 624163953Srrs sctp_log_closing(inp, NULL, 13); 625163953Srrs#endif 626169380Srrs sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 627169380Srrs SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 628163953Srrs } else { 629163953Srrs#ifdef SCTP_LOG_CLOSING 630163953Srrs sctp_log_closing(inp, NULL, 14); 631163953Srrs#endif 632169380Srrs sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 633169380Srrs SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 634163953Srrs } 635163953Srrs /* 636163953Srrs * The socket is now detached, no matter what the state of 637163953Srrs * the SCTP association. 638163953Srrs */ 639163953Srrs SOCK_LOCK(so); 640167695Srrs SCTP_SB_CLEAR(so->so_snd); 641163953Srrs /* 642163953Srrs * same for the rcv ones, they are only here for the 643163953Srrs * accounting/select. 644163953Srrs */ 645167695Srrs SCTP_SB_CLEAR(so->so_rcv); 646167695Srrs 647167695Srrs /* Now null out the reference, we are completely detached. */ 648163953Srrs so->so_pcb = NULL; 649163953Srrs SOCK_UNLOCK(so); 650163953Srrs } else { 651163953Srrs flags = inp->sctp_flags; 652163953Srrs if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 653163953Srrs goto sctp_must_try_again; 654163953Srrs } 655163953Srrs } 656163953Srrs return; 657163953Srrs} 658163953Srrs 659163953Srrs 660163953Srrsint 661163953Srrssctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 662163953Srrs struct mbuf *control, struct thread *p); 663163953Srrs 664163953Srrs 665163953Srrsint 666163953Srrssctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 667163953Srrs struct mbuf *control, struct thread *p) 668163953Srrs{ 669163953Srrs struct sctp_inpcb *inp; 670163953Srrs int error; 671163953Srrs 672163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 673163953Srrs if (inp == 0) { 674163953Srrs if (control) { 675163953Srrs sctp_m_freem(control); 676163953Srrs control = NULL; 677163953Srrs } 678171943Srrs SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 679163953Srrs sctp_m_freem(m); 680163953Srrs return EINVAL; 681163953Srrs } 682163953Srrs /* Got to have an to address if we are NOT a connected socket */ 683163953Srrs if ((addr == NULL) && 684163953Srrs ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 685163953Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE)) 686163953Srrs ) { 687163953Srrs goto connected_type; 688163953Srrs } else if (addr == NULL) { 689171943Srrs SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 690163953Srrs error = EDESTADDRREQ; 691163953Srrs sctp_m_freem(m); 692163953Srrs if (control) { 693163953Srrs sctp_m_freem(control); 694163953Srrs control = NULL; 695163953Srrs } 696163953Srrs return (error); 697163953Srrs } 698163953Srrs#ifdef INET6 699163953Srrs if (addr->sa_family != AF_INET) { 700163953Srrs /* must be a v4 address! */ 701171943Srrs SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 702163953Srrs sctp_m_freem(m); 703163953Srrs if (control) { 704163953Srrs sctp_m_freem(control); 705163953Srrs control = NULL; 706163953Srrs } 707163953Srrs error = EDESTADDRREQ; 708171943Srrs return EDESTADDRREQ; 709163953Srrs } 710163953Srrs#endif /* INET6 */ 711163953Srrsconnected_type: 712163953Srrs /* now what about control */ 713163953Srrs if (control) { 714163953Srrs if (inp->control) { 715169420Srrs SCTP_PRINTF("huh? control set?\n"); 716163953Srrs sctp_m_freem(inp->control); 717163953Srrs inp->control = NULL; 718163953Srrs } 719163953Srrs inp->control = control; 720163953Srrs } 721163953Srrs /* Place the data */ 722163953Srrs if (inp->pkt) { 723165647Srrs SCTP_BUF_NEXT(inp->pkt_last) = m; 724163953Srrs inp->pkt_last = m; 725163953Srrs } else { 726163953Srrs inp->pkt_last = inp->pkt = m; 727163953Srrs } 728163953Srrs if ( 729163953Srrs /* FreeBSD uses a flag passed */ 730163953Srrs ((flags & PRUS_MORETOCOME) == 0) 731163953Srrs ) { 732163953Srrs /* 733163953Srrs * note with the current version this code will only be used 734163953Srrs * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 735163953Srrs * re-defining sosend to use the sctp_sosend. One can 736163953Srrs * optionally switch back to this code (by changing back the 737163953Srrs * definitions) but this is not advisable. This code is used 738163953Srrs * by FreeBSD when sending a file with sendfile() though. 739163953Srrs */ 740163953Srrs int ret; 741163953Srrs 742163953Srrs ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 743163953Srrs inp->pkt = NULL; 744163953Srrs inp->control = NULL; 745163953Srrs return (ret); 746163953Srrs } else { 747163953Srrs return (0); 748163953Srrs } 749163953Srrs} 750163953Srrs 751171990Srrsint 752163953Srrssctp_disconnect(struct socket *so) 753163953Srrs{ 754163953Srrs struct sctp_inpcb *inp; 755163953Srrs 756163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 757163953Srrs if (inp == NULL) { 758171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 759163953Srrs return (ENOTCONN); 760163953Srrs } 761163953Srrs SCTP_INP_RLOCK(inp); 762171745Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 763171745Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 764199437Stuexen if (LIST_EMPTY(&inp->sctp_asoc_list)) { 765163953Srrs /* No connection */ 766163953Srrs SCTP_INP_RUNLOCK(inp); 767163953Srrs return (0); 768163953Srrs } else { 769163953Srrs struct sctp_association *asoc; 770163953Srrs struct sctp_tcb *stcb; 771163953Srrs 772163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 773163953Srrs if (stcb == NULL) { 774163953Srrs SCTP_INP_RUNLOCK(inp); 775171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 776163953Srrs return (EINVAL); 777163953Srrs } 778163953Srrs SCTP_TCB_LOCK(stcb); 779163953Srrs asoc = &stcb->asoc; 780163953Srrs if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 781163953Srrs /* We are about to be freed, out of here */ 782163953Srrs SCTP_TCB_UNLOCK(stcb); 783163953Srrs SCTP_INP_RUNLOCK(inp); 784163953Srrs return (0); 785163953Srrs } 786163953Srrs if (((so->so_options & SO_LINGER) && 787163953Srrs (so->so_linger == 0)) || 788163953Srrs (so->so_rcv.sb_cc > 0)) { 789163953Srrs if (SCTP_GET_STATE(asoc) != 790163953Srrs SCTP_STATE_COOKIE_WAIT) { 791163953Srrs /* Left with Data unread */ 792163953Srrs struct mbuf *err; 793163953Srrs 794163953Srrs err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_DONTWAIT, 1, MT_DATA); 795163953Srrs if (err) { 796163953Srrs /* 797163953Srrs * Fill in the user 798163953Srrs * initiated abort 799163953Srrs */ 800163953Srrs struct sctp_paramhdr *ph; 801163953Srrs 802163953Srrs ph = mtod(err, struct sctp_paramhdr *); 803165647Srrs SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr); 804163953Srrs ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT); 805165647Srrs ph->param_length = htons(SCTP_BUF_LEN(err)); 806163953Srrs } 807172396Srrs#if defined(SCTP_PANIC_ON_ABORT) 808172396Srrs panic("disconnect does an abort"); 809172396Srrs#endif 810172090Srrs sctp_send_abort_tcb(stcb, err, SCTP_SO_LOCKED); 811163953Srrs SCTP_STAT_INCR_COUNTER32(sctps_aborted); 812163953Srrs } 813163953Srrs SCTP_INP_RUNLOCK(inp); 814163953Srrs if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 815163953Srrs (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 816163953Srrs SCTP_STAT_DECR_GAUGE32(sctps_currestab); 817163953Srrs } 818171943Srrs (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 819163953Srrs /* No unlock tcb assoc is gone */ 820163953Srrs return (0); 821163953Srrs } 822163953Srrs if (TAILQ_EMPTY(&asoc->send_queue) && 823163953Srrs TAILQ_EMPTY(&asoc->sent_queue) && 824163953Srrs (asoc->stream_queue_cnt == 0)) { 825163953Srrs /* there is nothing queued to send, so done */ 826163953Srrs if (asoc->locked_on_sending) { 827163953Srrs goto abort_anyway; 828163953Srrs } 829166675Srrs if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) && 830166675Srrs (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 831163953Srrs /* only send SHUTDOWN 1st time thru */ 832163953Srrs sctp_stop_timers_for_shutdown(stcb); 833163953Srrs sctp_send_shutdown(stcb, 834163953Srrs stcb->asoc.primary_destination); 835172090Srrs sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 836166675Srrs if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 837166675Srrs (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 838166675Srrs SCTP_STAT_DECR_GAUGE32(sctps_currestab); 839166675Srrs } 840171943Srrs SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 841172703Srrs SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 842163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 843163953Srrs stcb->sctp_ep, stcb, 844163953Srrs asoc->primary_destination); 845163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 846163953Srrs stcb->sctp_ep, stcb, 847163953Srrs asoc->primary_destination); 848163953Srrs } 849163953Srrs } else { 850163953Srrs /* 851163953Srrs * we still got (or just got) data to send, 852163953Srrs * so set SHUTDOWN_PENDING 853163953Srrs */ 854163953Srrs /* 855163953Srrs * XXX sockets draft says that SCTP_EOF 856163953Srrs * should be sent with no data. currently, 857163953Srrs * we will allow user data to be sent first 858163953Srrs * and move to SHUTDOWN-PENDING 859163953Srrs */ 860163953Srrs asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 861163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 862163953Srrs asoc->primary_destination); 863163953Srrs if (asoc->locked_on_sending) { 864163953Srrs /* Locked to send out the data */ 865163953Srrs struct sctp_stream_queue_pending *sp; 866163953Srrs 867163953Srrs sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 868163953Srrs if (sp == NULL) { 869169420Srrs SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 870163953Srrs asoc->locked_on_sending->stream_no); 871163953Srrs } else { 872163953Srrs if ((sp->length == 0) && (sp->msg_is_complete == 0)) 873163953Srrs asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 874163953Srrs } 875163953Srrs } 876163953Srrs if (TAILQ_EMPTY(&asoc->send_queue) && 877163953Srrs TAILQ_EMPTY(&asoc->sent_queue) && 878163953Srrs (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 879163953Srrs struct mbuf *op_err; 880163953Srrs 881163953Srrs abort_anyway: 882163953Srrs op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)), 883163953Srrs 0, M_DONTWAIT, 1, MT_DATA); 884163953Srrs if (op_err) { 885163953Srrs /* 886163953Srrs * Fill in the user 887163953Srrs * initiated abort 888163953Srrs */ 889163953Srrs struct sctp_paramhdr *ph; 890163953Srrs uint32_t *ippp; 891163953Srrs 892165647Srrs SCTP_BUF_LEN(op_err) = 893163953Srrs (sizeof(struct sctp_paramhdr) + sizeof(uint32_t)); 894163953Srrs ph = mtod(op_err, 895163953Srrs struct sctp_paramhdr *); 896163953Srrs ph->param_type = htons( 897163953Srrs SCTP_CAUSE_USER_INITIATED_ABT); 898165647Srrs ph->param_length = htons(SCTP_BUF_LEN(op_err)); 899163953Srrs ippp = (uint32_t *) (ph + 1); 900165220Srrs *ippp = htonl(SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4); 901163953Srrs } 902172396Srrs#if defined(SCTP_PANIC_ON_ABORT) 903172396Srrs panic("disconnect does an abort"); 904172396Srrs#endif 905172396Srrs 906165220Srrs stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 907172090Srrs sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 908163953Srrs SCTP_STAT_INCR_COUNTER32(sctps_aborted); 909163953Srrs if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 910163953Srrs (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 911163953Srrs SCTP_STAT_DECR_GAUGE32(sctps_currestab); 912163953Srrs } 913163953Srrs SCTP_INP_RUNLOCK(inp); 914171943Srrs (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 915163953Srrs return (0); 916171990Srrs } else { 917172090Srrs sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 918163953Srrs } 919163953Srrs } 920188067Srrs soisdisconnecting(so); 921163953Srrs SCTP_TCB_UNLOCK(stcb); 922163953Srrs SCTP_INP_RUNLOCK(inp); 923163953Srrs return (0); 924163953Srrs } 925163953Srrs /* not reached */ 926163953Srrs } else { 927163953Srrs /* UDP model does not support this */ 928163953Srrs SCTP_INP_RUNLOCK(inp); 929171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 930163953Srrs return EOPNOTSUPP; 931163953Srrs } 932163953Srrs} 933163953Srrs 934163953Srrsint 935178202Srrssctp_flush(struct socket *so, int how) 936178202Srrs{ 937178202Srrs /* 938178202Srrs * We will just clear out the values and let subsequent close clear 939178202Srrs * out the data, if any. Note if the user did a shutdown(SHUT_RD) 940178202Srrs * they will not be able to read the data, the socket will block 941178202Srrs * that from happening. 942178202Srrs */ 943209289Stuexen struct sctp_inpcb *inp; 944209289Stuexen 945209289Stuexen inp = (struct sctp_inpcb *)so->so_pcb; 946209289Stuexen if (inp == NULL) { 947209289Stuexen SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 948209289Stuexen return EINVAL; 949209289Stuexen } 950209289Stuexen SCTP_INP_RLOCK(inp); 951209289Stuexen /* For the 1 to many model this does nothing */ 952209289Stuexen if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 953209289Stuexen SCTP_INP_RUNLOCK(inp); 954209289Stuexen return (0); 955209289Stuexen } 956209289Stuexen SCTP_INP_RUNLOCK(inp); 957178202Srrs if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 958178202Srrs /* 959178202Srrs * First make sure the sb will be happy, we don't use these 960178202Srrs * except maybe the count 961178202Srrs */ 962209289Stuexen SCTP_INP_WLOCK(inp); 963209289Stuexen SCTP_INP_READ_LOCK(inp); 964209289Stuexen inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 965209289Stuexen SCTP_INP_READ_UNLOCK(inp); 966209289Stuexen SCTP_INP_WUNLOCK(inp); 967178202Srrs so->so_rcv.sb_cc = 0; 968178202Srrs so->so_rcv.sb_mbcnt = 0; 969178202Srrs so->so_rcv.sb_mb = NULL; 970178202Srrs } 971178202Srrs if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 972178202Srrs /* 973178202Srrs * First make sure the sb will be happy, we don't use these 974178202Srrs * except maybe the count 975178202Srrs */ 976178202Srrs so->so_snd.sb_cc = 0; 977178202Srrs so->so_snd.sb_mbcnt = 0; 978178202Srrs so->so_snd.sb_mb = NULL; 979178202Srrs 980178202Srrs } 981178202Srrs return (0); 982178202Srrs} 983178202Srrs 984178202Srrsint 985163953Srrssctp_shutdown(struct socket *so) 986163953Srrs{ 987163953Srrs struct sctp_inpcb *inp; 988163953Srrs 989163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 990163953Srrs if (inp == 0) { 991171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 992163953Srrs return EINVAL; 993163953Srrs } 994163953Srrs SCTP_INP_RLOCK(inp); 995163953Srrs /* For UDP model this is a invalid call */ 996163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 997163953Srrs /* Restore the flags that the soshutdown took away. */ 998204096Stuexen SOCKBUF_LOCK(&so->so_rcv); 999163953Srrs so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 1000204096Stuexen SOCKBUF_UNLOCK(&so->so_rcv); 1001163953Srrs /* This proc will wakeup for read and do nothing (I hope) */ 1002163953Srrs SCTP_INP_RUNLOCK(inp); 1003171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1004163953Srrs return (EOPNOTSUPP); 1005163953Srrs } 1006163953Srrs /* 1007163953Srrs * Ok if we reach here its the TCP model and it is either a SHUT_WR 1008163953Srrs * or SHUT_RDWR. This means we put the shutdown flag against it. 1009163953Srrs */ 1010163953Srrs { 1011163953Srrs struct sctp_tcb *stcb; 1012163953Srrs struct sctp_association *asoc; 1013163953Srrs 1014188067Srrs if ((so->so_state & 1015188067Srrs (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 1016188067Srrs SCTP_INP_RUNLOCK(inp); 1017188067Srrs return (ENOTCONN); 1018188067Srrs } 1019163953Srrs socantsendmore(so); 1020163953Srrs 1021163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 1022163953Srrs if (stcb == NULL) { 1023163953Srrs /* 1024163953Srrs * Ok we hit the case that the shutdown call was 1025163953Srrs * made after an abort or something. Nothing to do 1026163953Srrs * now. 1027163953Srrs */ 1028168299Srrs SCTP_INP_RUNLOCK(inp); 1029163953Srrs return (0); 1030163953Srrs } 1031163953Srrs SCTP_TCB_LOCK(stcb); 1032163953Srrs asoc = &stcb->asoc; 1033163953Srrs if (TAILQ_EMPTY(&asoc->send_queue) && 1034163953Srrs TAILQ_EMPTY(&asoc->sent_queue) && 1035163953Srrs (asoc->stream_queue_cnt == 0)) { 1036163953Srrs if (asoc->locked_on_sending) { 1037163953Srrs goto abort_anyway; 1038163953Srrs } 1039163953Srrs /* there is nothing queued to send, so I'm done... */ 1040163953Srrs if (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) { 1041163953Srrs /* only send SHUTDOWN the first time through */ 1042163953Srrs sctp_stop_timers_for_shutdown(stcb); 1043163953Srrs sctp_send_shutdown(stcb, 1044163953Srrs stcb->asoc.primary_destination); 1045172218Srrs sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 1046166675Srrs if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 1047166675Srrs (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 1048166675Srrs SCTP_STAT_DECR_GAUGE32(sctps_currestab); 1049166675Srrs } 1050171943Srrs SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 1051172703Srrs SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 1052163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 1053163953Srrs stcb->sctp_ep, stcb, 1054163953Srrs asoc->primary_destination); 1055163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 1056163953Srrs stcb->sctp_ep, stcb, 1057163953Srrs asoc->primary_destination); 1058163953Srrs } 1059163953Srrs } else { 1060163953Srrs /* 1061163953Srrs * we still got (or just got) data to send, so set 1062163953Srrs * SHUTDOWN_PENDING 1063163953Srrs */ 1064163953Srrs asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 1065163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 1066163953Srrs asoc->primary_destination); 1067163953Srrs 1068163953Srrs if (asoc->locked_on_sending) { 1069163953Srrs /* Locked to send out the data */ 1070163953Srrs struct sctp_stream_queue_pending *sp; 1071163953Srrs 1072163953Srrs sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 1073163953Srrs if (sp == NULL) { 1074169420Srrs SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 1075163953Srrs asoc->locked_on_sending->stream_no); 1076163953Srrs } else { 1077163953Srrs if ((sp->length == 0) && (sp->msg_is_complete == 0)) { 1078163953Srrs asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 1079163953Srrs } 1080163953Srrs } 1081163953Srrs } 1082163953Srrs if (TAILQ_EMPTY(&asoc->send_queue) && 1083163953Srrs TAILQ_EMPTY(&asoc->sent_queue) && 1084163953Srrs (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 1085163953Srrs struct mbuf *op_err; 1086163953Srrs 1087163953Srrs abort_anyway: 1088163953Srrs op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)), 1089163953Srrs 0, M_DONTWAIT, 1, MT_DATA); 1090163953Srrs if (op_err) { 1091163953Srrs /* Fill in the user initiated abort */ 1092163953Srrs struct sctp_paramhdr *ph; 1093163953Srrs uint32_t *ippp; 1094163953Srrs 1095165647Srrs SCTP_BUF_LEN(op_err) = 1096163953Srrs sizeof(struct sctp_paramhdr) + sizeof(uint32_t); 1097163953Srrs ph = mtod(op_err, 1098163953Srrs struct sctp_paramhdr *); 1099163953Srrs ph->param_type = htons( 1100163953Srrs SCTP_CAUSE_USER_INITIATED_ABT); 1101165647Srrs ph->param_length = htons(SCTP_BUF_LEN(op_err)); 1102163953Srrs ippp = (uint32_t *) (ph + 1); 1103165220Srrs *ippp = htonl(SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6); 1104163953Srrs } 1105172396Srrs#if defined(SCTP_PANIC_ON_ABORT) 1106172396Srrs panic("shutdown does an abort"); 1107172396Srrs#endif 1108165220Srrs stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 1109163953Srrs sctp_abort_an_association(stcb->sctp_ep, stcb, 1110163953Srrs SCTP_RESPONSE_TO_USER_REQ, 1111172090Srrs op_err, SCTP_SO_LOCKED); 1112163953Srrs goto skip_unlock; 1113171990Srrs } else { 1114172090Srrs sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 1115163953Srrs } 1116163953Srrs } 1117163953Srrs SCTP_TCB_UNLOCK(stcb); 1118163953Srrs } 1119163953Srrsskip_unlock: 1120163953Srrs SCTP_INP_RUNLOCK(inp); 1121163953Srrs return 0; 1122163953Srrs} 1123163953Srrs 1124163953Srrs/* 1125163953Srrs * copies a "user" presentable address and removes embedded scope, etc. 1126163953Srrs * returns 0 on success, 1 on error 1127163953Srrs */ 1128163953Srrsstatic uint32_t 1129163953Srrssctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 1130163953Srrs{ 1131178251Srrs#ifdef INET6 1132163953Srrs struct sockaddr_in6 lsa6; 1133163953Srrs 1134163953Srrs sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 1135163953Srrs &lsa6); 1136178251Srrs#endif 1137163953Srrs memcpy(ss, sa, sa->sa_len); 1138163953Srrs return (0); 1139163953Srrs} 1140163953Srrs 1141163953Srrs 1142163953Srrs 1143172091Srrs/* 1144172091Srrs * NOTE: assumes addr lock is held 1145172091Srrs */ 1146166675Srrsstatic size_t 1147168124Srrssctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1148163953Srrs struct sctp_tcb *stcb, 1149166675Srrs size_t limit, 1150167598Srrs struct sockaddr_storage *sas, 1151167598Srrs uint32_t vrf_id) 1152163953Srrs{ 1153167598Srrs struct sctp_ifn *sctp_ifn; 1154167598Srrs struct sctp_ifa *sctp_ifa; 1155166675Srrs int loopback_scope, ipv4_local_scope, local_scope, site_scope; 1156166675Srrs size_t actual; 1157163953Srrs int ipv4_addr_legal, ipv6_addr_legal; 1158167598Srrs struct sctp_vrf *vrf; 1159163953Srrs 1160163953Srrs actual = 0; 1161163953Srrs if (limit <= 0) 1162163953Srrs return (actual); 1163163953Srrs 1164163953Srrs if (stcb) { 1165163953Srrs /* Turn on all the appropriate scope */ 1166163953Srrs loopback_scope = stcb->asoc.loopback_scope; 1167163953Srrs ipv4_local_scope = stcb->asoc.ipv4_local_scope; 1168163953Srrs local_scope = stcb->asoc.local_scope; 1169163953Srrs site_scope = stcb->asoc.site_scope; 1170163953Srrs } else { 1171163953Srrs /* Turn on ALL scope, since we look at the EP */ 1172163953Srrs loopback_scope = ipv4_local_scope = local_scope = 1173163953Srrs site_scope = 1; 1174163953Srrs } 1175163953Srrs ipv4_addr_legal = ipv6_addr_legal = 0; 1176163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1177163953Srrs ipv6_addr_legal = 1; 1178166023Srrs if (SCTP_IPV6_V6ONLY(inp) == 0) { 1179163953Srrs ipv4_addr_legal = 1; 1180163953Srrs } 1181163953Srrs } else { 1182163953Srrs ipv4_addr_legal = 1; 1183163953Srrs } 1184167598Srrs vrf = sctp_find_vrf(vrf_id); 1185167598Srrs if (vrf == NULL) { 1186167598Srrs return (0); 1187167598Srrs } 1188163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1189167598Srrs LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1190163953Srrs if ((loopback_scope == 0) && 1191167598Srrs SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1192163953Srrs /* Skip loopback if loopback_scope not set */ 1193163953Srrs continue; 1194163953Srrs } 1195167598Srrs LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1196163953Srrs if (stcb) { 1197163953Srrs /* 1198163953Srrs * For the BOUND-ALL case, the list 1199163953Srrs * associated with a TCB is Always 1200163953Srrs * considered a reverse list.. i.e. 1201163953Srrs * it lists addresses that are NOT 1202163953Srrs * part of the association. If this 1203163953Srrs * is one of those we must skip it. 1204163953Srrs */ 1205163953Srrs if (sctp_is_addr_restricted(stcb, 1206167598Srrs sctp_ifa)) { 1207163953Srrs continue; 1208163953Srrs } 1209163953Srrs } 1210178251Srrs switch (sctp_ifa->address.sa.sa_family) { 1211178251Srrs case AF_INET: 1212178251Srrs if (ipv4_addr_legal) { 1213178251Srrs struct sockaddr_in *sin; 1214163953Srrs 1215178251Srrs sin = (struct sockaddr_in *)&sctp_ifa->address.sa; 1216178251Srrs if (sin->sin_addr.s_addr == 0) { 1217178251Srrs /* 1218178251Srrs * we skip 1219178251Srrs * unspecifed 1220178251Srrs * addresses 1221178251Srrs */ 1222178251Srrs continue; 1223178251Srrs } 1224178251Srrs if ((ipv4_local_scope == 0) && 1225178251Srrs (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1226178251Srrs continue; 1227178251Srrs } 1228178251Srrs#ifdef INET6 1229178251Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1230178251Srrs in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1231178251Srrs ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1232178251Srrs sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1233178251Srrs actual += sizeof(struct sockaddr_in6); 1234178251Srrs } else { 1235178251Srrs#endif 1236178251Srrs memcpy(sas, sin, sizeof(*sin)); 1237178251Srrs ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1238178251Srrs sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin)); 1239178251Srrs actual += sizeof(*sin); 1240178251Srrs#ifdef INET6 1241178251Srrs } 1242178251Srrs#endif 1243178251Srrs if (actual >= limit) { 1244178251Srrs return (actual); 1245178251Srrs } 1246178251Srrs } else { 1247163953Srrs continue; 1248163953Srrs } 1249178251Srrs break; 1250178251Srrs#ifdef INET6 1251178251Srrs case AF_INET6: 1252178251Srrs if (ipv6_addr_legal) { 1253178251Srrs struct sockaddr_in6 *sin6; 1254163953Srrs 1255178251Srrs sin6 = (struct sockaddr_in6 *)&sctp_ifa->address.sa; 1256178251Srrs if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1257178251Srrs /* 1258178251Srrs * we skip 1259178251Srrs * unspecifed 1260178251Srrs * addresses 1261178251Srrs */ 1262163953Srrs continue; 1263178251Srrs } 1264178251Srrs if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1265178251Srrs if (local_scope == 0) 1266163953Srrs continue; 1267178251Srrs if (sin6->sin6_scope_id == 0) { 1268178251Srrs if (sa6_recoverscope(sin6) != 0) 1269178251Srrs /* 1270178251Srrs * 1271178251Srrs * bad 1272178251Srrs * 1273178251Srrs * li 1274178251Srrs * nk 1275178251Srrs * 1276178251Srrs * loc 1277178251Srrs * al 1278178251Srrs * 1279178251Srrs * add 1280178251Srrs * re 1281178251Srrs * ss 1282178251Srrs * */ 1283178251Srrs continue; 1284178251Srrs } 1285163953Srrs } 1286178251Srrs if ((site_scope == 0) && 1287178251Srrs (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1288178251Srrs continue; 1289178251Srrs } 1290178251Srrs memcpy(sas, sin6, sizeof(*sin6)); 1291178251Srrs ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1292178251Srrs sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6)); 1293178251Srrs actual += sizeof(*sin6); 1294178251Srrs if (actual >= limit) { 1295178251Srrs return (actual); 1296178251Srrs } 1297178251Srrs } else { 1298163953Srrs continue; 1299163953Srrs } 1300178251Srrs break; 1301178251Srrs#endif 1302178251Srrs default: 1303178251Srrs /* TSNH */ 1304178251Srrs break; 1305163953Srrs } 1306163953Srrs } 1307163953Srrs } 1308163953Srrs } else { 1309163953Srrs struct sctp_laddr *laddr; 1310163953Srrs 1311167598Srrs LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1312167598Srrs if (stcb) { 1313167598Srrs if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1314163953Srrs continue; 1315163953Srrs } 1316163953Srrs } 1317167598Srrs if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1318167598Srrs continue; 1319167598Srrs 1320167598Srrs ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1321167598Srrs sas = (struct sockaddr_storage *)((caddr_t)sas + 1322167598Srrs laddr->ifa->address.sa.sa_len); 1323167598Srrs actual += laddr->ifa->address.sa.sa_len; 1324167598Srrs if (actual >= limit) { 1325167598Srrs return (actual); 1326163953Srrs } 1327163953Srrs } 1328163953Srrs } 1329163953Srrs return (actual); 1330163953Srrs} 1331163953Srrs 1332168124Srrsstatic size_t 1333168124Srrssctp_fill_up_addresses(struct sctp_inpcb *inp, 1334168124Srrs struct sctp_tcb *stcb, 1335168124Srrs size_t limit, 1336168124Srrs struct sockaddr_storage *sas) 1337168124Srrs{ 1338168124Srrs size_t size = 0; 1339168124Srrs 1340172218Srrs SCTP_IPI_ADDR_RLOCK(); 1341168124Srrs /* fill up addresses for the endpoint's default vrf */ 1342168124Srrs size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1343168124Srrs inp->def_vrf_id); 1344172218Srrs SCTP_IPI_ADDR_RUNLOCK(); 1345168124Srrs return (size); 1346168124Srrs} 1347168124Srrs 1348172091Srrs/* 1349172091Srrs * NOTE: assumes addr lock is held 1350172091Srrs */ 1351163953Srrsstatic int 1352168124Srrssctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1353163953Srrs{ 1354163953Srrs int cnt = 0; 1355167598Srrs struct sctp_vrf *vrf = NULL; 1356163953Srrs 1357163953Srrs /* 1358163953Srrs * In both sub-set bound an bound_all cases we return the MAXIMUM 1359163953Srrs * number of addresses that you COULD get. In reality the sub-set 1360163953Srrs * bound may have an exclusion list for a given TCB OR in the 1361163953Srrs * bound-all case a TCB may NOT include the loopback or other 1362163953Srrs * addresses as well. 1363163953Srrs */ 1364167598Srrs vrf = sctp_find_vrf(vrf_id); 1365167598Srrs if (vrf == NULL) { 1366167598Srrs return (0); 1367167598Srrs } 1368163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1369167598Srrs struct sctp_ifn *sctp_ifn; 1370167598Srrs struct sctp_ifa *sctp_ifa; 1371163953Srrs 1372167598Srrs LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1373167598Srrs LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1374163953Srrs /* Count them if they are the right type */ 1375167598Srrs if (sctp_ifa->address.sa.sa_family == AF_INET) { 1376178251Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1377163953Srrs cnt += sizeof(struct sockaddr_in6); 1378163953Srrs else 1379163953Srrs cnt += sizeof(struct sockaddr_in); 1380163953Srrs 1381167598Srrs } else if (sctp_ifa->address.sa.sa_family == AF_INET6) 1382163953Srrs cnt += sizeof(struct sockaddr_in6); 1383163953Srrs } 1384163953Srrs } 1385163953Srrs } else { 1386163953Srrs struct sctp_laddr *laddr; 1387163953Srrs 1388163953Srrs LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1389167598Srrs if (laddr->ifa->address.sa.sa_family == AF_INET) { 1390178251Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1391163953Srrs cnt += sizeof(struct sockaddr_in6); 1392163953Srrs else 1393163953Srrs cnt += sizeof(struct sockaddr_in); 1394163953Srrs 1395167598Srrs } else if (laddr->ifa->address.sa.sa_family == AF_INET6) 1396163953Srrs cnt += sizeof(struct sockaddr_in6); 1397163953Srrs } 1398163953Srrs } 1399163953Srrs return (cnt); 1400163953Srrs} 1401163953Srrs 1402168124Srrsstatic int 1403168124Srrssctp_count_max_addresses(struct sctp_inpcb *inp) 1404168124Srrs{ 1405168124Srrs int cnt = 0; 1406166675Srrs 1407172218Srrs SCTP_IPI_ADDR_RLOCK(); 1408168124Srrs /* count addresses for the endpoint's default VRF */ 1409168124Srrs cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1410172218Srrs SCTP_IPI_ADDR_RUNLOCK(); 1411168124Srrs return (cnt); 1412168124Srrs} 1413168124Srrs 1414163953Srrsstatic int 1415166675Srrssctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1416166675Srrs size_t optsize, void *p, int delay) 1417163953Srrs{ 1418163953Srrs int error = 0; 1419163953Srrs int creat_lock_on = 0; 1420163953Srrs struct sctp_tcb *stcb = NULL; 1421163953Srrs struct sockaddr *sa; 1422169352Srrs int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1423169352Srrs int added = 0; 1424167598Srrs uint32_t vrf_id; 1425170056Srrs int bad_addresses = 0; 1426167598Srrs sctp_assoc_t *a_id; 1427163953Srrs 1428169420Srrs SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1429163953Srrs 1430163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1431163953Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1432163953Srrs /* We are already connected AND the TCP model */ 1433171943Srrs SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1434163953Srrs return (EADDRINUSE); 1435163953Srrs } 1436181054Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1437181054Srrs (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1438171943Srrs SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1439163953Srrs return (EINVAL); 1440163953Srrs } 1441163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1442163953Srrs SCTP_INP_RLOCK(inp); 1443163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 1444163953Srrs SCTP_INP_RUNLOCK(inp); 1445163953Srrs } 1446163953Srrs if (stcb) { 1447171943Srrs SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1448163953Srrs return (EALREADY); 1449163953Srrs } 1450163953Srrs SCTP_INP_INCR_REF(inp); 1451163953Srrs SCTP_ASOC_CREATE_LOCK(inp); 1452163953Srrs creat_lock_on = 1; 1453163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1454163953Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1455171943Srrs SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1456163953Srrs error = EFAULT; 1457163953Srrs goto out_now; 1458163953Srrs } 1459166675Srrs totaddrp = (int *)optval; 1460163953Srrs totaddr = *totaddrp; 1461163953Srrs sa = (struct sockaddr *)(totaddrp + 1); 1462170056Srrs stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (optsize - sizeof(int)), &bad_addresses); 1463170056Srrs if ((stcb != NULL) || bad_addresses) { 1464169352Srrs /* Already have or am bring up an association */ 1465169352Srrs SCTP_ASOC_CREATE_UNLOCK(inp); 1466169352Srrs creat_lock_on = 0; 1467170931Srrs if (stcb) 1468170931Srrs SCTP_TCB_UNLOCK(stcb); 1469171943Srrs if (bad_addresses == 0) { 1470171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1471170056Srrs error = EALREADY; 1472171943Srrs } 1473169352Srrs goto out_now; 1474163953Srrs } 1475163953Srrs#ifdef INET6 1476163953Srrs if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1477163953Srrs (num_v6 > 0)) { 1478163953Srrs error = EINVAL; 1479163953Srrs goto out_now; 1480163953Srrs } 1481163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1482163953Srrs (num_v4 > 0)) { 1483163953Srrs struct in6pcb *inp6; 1484163953Srrs 1485163953Srrs inp6 = (struct in6pcb *)inp; 1486166023Srrs if (SCTP_IPV6_V6ONLY(inp6)) { 1487163953Srrs /* 1488163953Srrs * if IPV6_V6ONLY flag, ignore connections destined 1489163953Srrs * to a v4 addr or v4-mapped addr 1490163953Srrs */ 1491171943Srrs SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1492163953Srrs error = EINVAL; 1493163953Srrs goto out_now; 1494163953Srrs } 1495163953Srrs } 1496163953Srrs#endif /* INET6 */ 1497163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1498163953Srrs SCTP_PCB_FLAGS_UNBOUND) { 1499163953Srrs /* Bind a ephemeral port */ 1500171572Srrs error = sctp_inpcb_bind(so, NULL, NULL, p); 1501163953Srrs if (error) { 1502163953Srrs goto out_now; 1503163953Srrs } 1504163953Srrs } 1505167695Srrs /* FIX ME: do we want to pass in a vrf on the connect call? */ 1506167695Srrs vrf_id = inp->def_vrf_id; 1507167695Srrs 1508181054Srrs 1509163953Srrs /* We are GOOD to go */ 1510206137Stuexen stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1511171531Srrs (struct thread *)p 1512171531Srrs ); 1513163953Srrs if (stcb == NULL) { 1514163953Srrs /* Gak! no memory */ 1515163953Srrs goto out_now; 1516163953Srrs } 1517171943Srrs SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 1518163953Srrs /* move to second address */ 1519163953Srrs if (sa->sa_family == AF_INET) 1520163953Srrs sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1521163953Srrs else 1522163953Srrs sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1523163953Srrs 1524170056Srrs error = 0; 1525169352Srrs added = sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1526167598Srrs /* Fill in the return id */ 1527170056Srrs if (error) { 1528207924Srrs (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6); 1529170056Srrs goto out_now; 1530170056Srrs } 1531167598Srrs a_id = (sctp_assoc_t *) optval; 1532167598Srrs *a_id = sctp_get_associd(stcb); 1533163953Srrs 1534163953Srrs /* initialize authentication parameters for the assoc */ 1535163953Srrs sctp_initialize_auth_params(inp, stcb); 1536163953Srrs 1537163953Srrs if (delay) { 1538163953Srrs /* doing delayed connection */ 1539163953Srrs stcb->asoc.delayed_connection = 1; 1540163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1541163953Srrs } else { 1542169378Srrs (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1543172090Srrs sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1544163953Srrs } 1545163953Srrs SCTP_TCB_UNLOCK(stcb); 1546163953Srrs if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1547163953Srrs stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1548163953Srrs /* Set the connected flag so we can queue data */ 1549163953Srrs soisconnecting(so); 1550163953Srrs } 1551163953Srrsout_now: 1552169655Srrs if (creat_lock_on) { 1553163953Srrs SCTP_ASOC_CREATE_UNLOCK(inp); 1554169655Srrs } 1555163953Srrs SCTP_INP_DECR_REF(inp); 1556163953Srrs return error; 1557163953Srrs} 1558163953Srrs 1559169420Srrs#define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1560169655Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1561169655Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1562166675Srrs SCTP_INP_RLOCK(inp); \ 1563166675Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1564169655Srrs if (stcb) { \ 1565166675Srrs SCTP_TCB_LOCK(stcb); \ 1566169655Srrs } \ 1567166675Srrs SCTP_INP_RUNLOCK(inp); \ 1568166675Srrs } else if (assoc_id != 0) { \ 1569166675Srrs stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1570166675Srrs if (stcb == NULL) { \ 1571171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1572166675Srrs error = ENOENT; \ 1573166675Srrs break; \ 1574166675Srrs } \ 1575166675Srrs } else { \ 1576166675Srrs stcb = NULL; \ 1577169420Srrs } \ 1578169420Srrs } 1579163953Srrs 1580169420Srrs 1581169420Srrs#define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1582166675Srrs if (size < sizeof(type)) { \ 1583171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1584166675Srrs error = EINVAL; \ 1585166675Srrs break; \ 1586166675Srrs } else { \ 1587166675Srrs destp = (type *)srcp; \ 1588169420Srrs } \ 1589169420Srrs } 1590163953Srrs 1591163953Srrsstatic int 1592166675Srrssctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1593166675Srrs void *p) 1594163953Srrs{ 1595171943Srrs struct sctp_inpcb *inp = NULL; 1596166675Srrs int error, val = 0; 1597163953Srrs struct sctp_tcb *stcb = NULL; 1598163953Srrs 1599166675Srrs if (optval == NULL) { 1600171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1601166675Srrs return (EINVAL); 1602166675Srrs } 1603163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 1604171943Srrs if (inp == 0) { 1605171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1606163953Srrs return EINVAL; 1607171943Srrs } 1608163953Srrs error = 0; 1609163953Srrs 1610166675Srrs switch (optname) { 1611163953Srrs case SCTP_NODELAY: 1612163953Srrs case SCTP_AUTOCLOSE: 1613163953Srrs case SCTP_EXPLICIT_EOR: 1614163953Srrs case SCTP_AUTO_ASCONF: 1615163953Srrs case SCTP_DISABLE_FRAGMENTS: 1616163953Srrs case SCTP_I_WANT_MAPPED_V4_ADDR: 1617163953Srrs case SCTP_USE_EXT_RCVINFO: 1618163953Srrs SCTP_INP_RLOCK(inp); 1619166675Srrs switch (optname) { 1620163953Srrs case SCTP_DISABLE_FRAGMENTS: 1621166675Srrs val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1622163953Srrs break; 1623163953Srrs case SCTP_I_WANT_MAPPED_V4_ADDR: 1624166675Srrs val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1625163953Srrs break; 1626163953Srrs case SCTP_AUTO_ASCONF: 1627171943Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1628171943Srrs /* only valid for bound all sockets */ 1629171943Srrs val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1630171943Srrs } else { 1631171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1632171943Srrs error = EINVAL; 1633171943Srrs goto flags_out; 1634171943Srrs } 1635163953Srrs break; 1636163953Srrs case SCTP_EXPLICIT_EOR: 1637166675Srrs val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1638163953Srrs break; 1639163953Srrs case SCTP_NODELAY: 1640166675Srrs val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1641163953Srrs break; 1642163953Srrs case SCTP_USE_EXT_RCVINFO: 1643166675Srrs val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1644163953Srrs break; 1645163953Srrs case SCTP_AUTOCLOSE: 1646163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1647166675Srrs val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1648163953Srrs else 1649166675Srrs val = 0; 1650163953Srrs break; 1651163953Srrs 1652163953Srrs default: 1653171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1654163953Srrs error = ENOPROTOOPT; 1655163953Srrs } /* end switch (sopt->sopt_name) */ 1656166675Srrs if (optname != SCTP_AUTOCLOSE) { 1657163953Srrs /* make it an "on/off" value */ 1658166675Srrs val = (val != 0); 1659163953Srrs } 1660166675Srrs if (*optsize < sizeof(val)) { 1661171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1662163953Srrs error = EINVAL; 1663163953Srrs } 1664171943Srrsflags_out: 1665163953Srrs SCTP_INP_RUNLOCK(inp); 1666163953Srrs if (error == 0) { 1667163953Srrs /* return the option value */ 1668166675Srrs *(int *)optval = val; 1669166675Srrs *optsize = sizeof(val); 1670163953Srrs } 1671163953Srrs break; 1672170091Srrs case SCTP_GET_PACKET_LOG: 1673170091Srrs { 1674170091Srrs#ifdef SCTP_PACKET_LOGGING 1675170091Srrs uint8_t *target; 1676170091Srrs int ret; 1677167598Srrs 1678170091Srrs SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1679170091Srrs ret = sctp_copy_out_packet_log(target, (int)*optsize); 1680170091Srrs *optsize = ret; 1681170091Srrs#else 1682171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1683170091Srrs error = EOPNOTSUPP; 1684170091Srrs#endif 1685170091Srrs break; 1686170091Srrs } 1687181054Srrs case SCTP_REUSE_PORT: 1688181054Srrs { 1689181054Srrs uint32_t *value; 1690181054Srrs 1691181054Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1692181054Srrs /* Can't do this for a 1-m socket */ 1693181054Srrs error = EINVAL; 1694181054Srrs break; 1695181054Srrs } 1696181054Srrs SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1697181054Srrs *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1698181054Srrs *optsize = sizeof(uint32_t); 1699181054Srrs } 1700181054Srrs break; 1701163953Srrs case SCTP_PARTIAL_DELIVERY_POINT: 1702163953Srrs { 1703166675Srrs uint32_t *value; 1704166675Srrs 1705166675Srrs SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1706166675Srrs *value = inp->partial_delivery_point; 1707166675Srrs *optsize = sizeof(uint32_t); 1708163953Srrs } 1709163953Srrs break; 1710163953Srrs case SCTP_FRAGMENT_INTERLEAVE: 1711163953Srrs { 1712166675Srrs uint32_t *value; 1713166675Srrs 1714166675Srrs SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1715168943Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1716168943Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1717168943Srrs *value = SCTP_FRAG_LEVEL_2; 1718168943Srrs } else { 1719168943Srrs *value = SCTP_FRAG_LEVEL_1; 1720168943Srrs } 1721168943Srrs } else { 1722168943Srrs *value = SCTP_FRAG_LEVEL_0; 1723168943Srrs } 1724166675Srrs *optsize = sizeof(uint32_t); 1725163953Srrs } 1726163953Srrs break; 1727163953Srrs case SCTP_CMT_ON_OFF: 1728163953Srrs { 1729166675Srrs struct sctp_assoc_value *av; 1730166675Srrs 1731166675Srrs SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1732211944Stuexen SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1733211944Stuexen if (stcb) { 1734211944Stuexen av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1735211944Stuexen SCTP_TCB_UNLOCK(stcb); 1736166675Srrs } else { 1737211944Stuexen SCTP_INP_RLOCK(inp); 1738211944Stuexen av->assoc_value = inp->sctp_cmt_on_off; 1739211944Stuexen SCTP_INP_RUNLOCK(inp); 1740163953Srrs } 1741166675Srrs *optsize = sizeof(*av); 1742163953Srrs } 1743163953Srrs break; 1744171440Srrs /* JRS - Get socket option for pluggable congestion control */ 1745171440Srrs case SCTP_PLUGGABLE_CC: 1746171440Srrs { 1747171440Srrs struct sctp_assoc_value *av; 1748171440Srrs 1749171440Srrs SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1750171440Srrs SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1751171440Srrs if (stcb) { 1752171440Srrs av->assoc_value = stcb->asoc.congestion_control_module; 1753171440Srrs SCTP_TCB_UNLOCK(stcb); 1754171440Srrs } else { 1755171440Srrs av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1756171440Srrs } 1757171440Srrs *optsize = sizeof(*av); 1758171440Srrs } 1759171440Srrs break; 1760163953Srrs case SCTP_GET_ADDR_LEN: 1761163953Srrs { 1762163953Srrs struct sctp_assoc_value *av; 1763163953Srrs 1764166675Srrs SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1765163953Srrs error = EINVAL; 1766167598Srrs#ifdef INET 1767163953Srrs if (av->assoc_value == AF_INET) { 1768163953Srrs av->assoc_value = sizeof(struct sockaddr_in); 1769163953Srrs error = 0; 1770163953Srrs } 1771163953Srrs#endif 1772167598Srrs#ifdef INET6 1773163953Srrs if (av->assoc_value == AF_INET6) { 1774163953Srrs av->assoc_value = sizeof(struct sockaddr_in6); 1775163953Srrs error = 0; 1776163953Srrs } 1777163953Srrs#endif 1778172091Srrs if (error) { 1779171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1780172091Srrs } 1781166675Srrs *optsize = sizeof(*av); 1782163953Srrs } 1783163953Srrs break; 1784169655Srrs case SCTP_GET_ASSOC_NUMBER: 1785163953Srrs { 1786169655Srrs uint32_t *value, cnt; 1787163953Srrs 1788169655Srrs SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1789163953Srrs cnt = 0; 1790163953Srrs SCTP_INP_RLOCK(inp); 1791169655Srrs LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1792169655Srrs cnt++; 1793163953Srrs } 1794169655Srrs SCTP_INP_RUNLOCK(inp); 1795169655Srrs *value = cnt; 1796169655Srrs *optsize = sizeof(uint32_t); 1797169655Srrs } 1798169655Srrs break; 1799163953Srrs 1800169655Srrs case SCTP_GET_ASSOC_ID_LIST: 1801169655Srrs { 1802169655Srrs struct sctp_assoc_ids *ids; 1803169655Srrs unsigned int at, limit; 1804169655Srrs 1805169655Srrs SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1806163953Srrs at = 0; 1807185694Srrs limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1808169655Srrs SCTP_INP_RLOCK(inp); 1809169655Srrs LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1810169655Srrs if (at < limit) { 1811169655Srrs ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1812169655Srrs } else { 1813169655Srrs error = EINVAL; 1814171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1815163953Srrs break; 1816163953Srrs } 1817163953Srrs } 1818163953Srrs SCTP_INP_RUNLOCK(inp); 1819185694Srrs ids->gaids_number_of_ids = at; 1820185694Srrs *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1821163953Srrs } 1822163953Srrs break; 1823163953Srrs case SCTP_CONTEXT: 1824163953Srrs { 1825163953Srrs struct sctp_assoc_value *av; 1826163953Srrs 1827166675Srrs SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1828166675Srrs SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1829166675Srrs 1830166675Srrs if (stcb) { 1831166675Srrs av->assoc_value = stcb->asoc.context; 1832166675Srrs SCTP_TCB_UNLOCK(stcb); 1833163953Srrs } else { 1834166675Srrs SCTP_INP_RLOCK(inp); 1835163953Srrs av->assoc_value = inp->sctp_context; 1836166675Srrs SCTP_INP_RUNLOCK(inp); 1837163953Srrs } 1838166675Srrs *optsize = sizeof(*av); 1839163953Srrs } 1840163953Srrs break; 1841167598Srrs case SCTP_VRF_ID: 1842167598Srrs { 1843170056Srrs uint32_t *default_vrfid; 1844167598Srrs 1845170056Srrs SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1846170056Srrs *default_vrfid = inp->def_vrf_id; 1847167598Srrs break; 1848167598Srrs } 1849167598Srrs case SCTP_GET_ASOC_VRF: 1850167598Srrs { 1851167598Srrs struct sctp_assoc_value *id; 1852167598Srrs 1853167598Srrs SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1854167598Srrs SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1855167598Srrs if (stcb == NULL) { 1856167598Srrs error = EINVAL; 1857171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1858167598Srrs break; 1859167598Srrs } 1860167598Srrs id->assoc_value = stcb->asoc.vrf_id; 1861167598Srrs break; 1862167598Srrs } 1863167598Srrs case SCTP_GET_VRF_IDS: 1864167598Srrs { 1865171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1866167598Srrs error = EOPNOTSUPP; 1867167598Srrs break; 1868167598Srrs } 1869163953Srrs case SCTP_GET_NONCE_VALUES: 1870163953Srrs { 1871163953Srrs struct sctp_get_nonce_values *gnv; 1872163953Srrs 1873166675Srrs SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 1874166675Srrs SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 1875166675Srrs 1876166675Srrs if (stcb) { 1877163953Srrs gnv->gn_peers_tag = stcb->asoc.peer_vtag; 1878163953Srrs gnv->gn_local_tag = stcb->asoc.my_vtag; 1879163953Srrs SCTP_TCB_UNLOCK(stcb); 1880166675Srrs } else { 1881171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 1882166675Srrs error = ENOTCONN; 1883163953Srrs } 1884166675Srrs *optsize = sizeof(*gnv); 1885163953Srrs } 1886163953Srrs break; 1887170056Srrs case SCTP_DELAYED_SACK: 1888163953Srrs { 1889170056Srrs struct sctp_sack_info *sack; 1890163953Srrs 1891170056Srrs SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 1892170056Srrs SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 1893166675Srrs if (stcb) { 1894170056Srrs sack->sack_delay = stcb->asoc.delayed_ack; 1895170056Srrs sack->sack_freq = stcb->asoc.sack_freq; 1896166675Srrs SCTP_TCB_UNLOCK(stcb); 1897166675Srrs } else { 1898163953Srrs SCTP_INP_RLOCK(inp); 1899170056Srrs sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 1900170056Srrs sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 1901163953Srrs SCTP_INP_RUNLOCK(inp); 1902163953Srrs } 1903170056Srrs *optsize = sizeof(*sack); 1904163953Srrs } 1905163953Srrs break; 1906163953Srrs 1907163953Srrs case SCTP_GET_SNDBUF_USE: 1908166675Srrs { 1909163953Srrs struct sctp_sockstat *ss; 1910163953Srrs 1911166675Srrs SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 1912166675Srrs SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 1913166675Srrs 1914166675Srrs if (stcb) { 1915166675Srrs ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 1916166675Srrs ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 1917166675Srrs stcb->asoc.size_on_all_streams); 1918166675Srrs SCTP_TCB_UNLOCK(stcb); 1919166675Srrs } else { 1920171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 1921163953Srrs error = ENOTCONN; 1922163953Srrs } 1923166675Srrs *optsize = sizeof(struct sctp_sockstat); 1924163953Srrs } 1925163953Srrs break; 1926170056Srrs case SCTP_MAX_BURST: 1927163953Srrs { 1928166675Srrs uint8_t *value; 1929163953Srrs 1930166675Srrs SCTP_CHECK_AND_CAST(value, optval, uint8_t, *optsize); 1931166675Srrs 1932163953Srrs SCTP_INP_RLOCK(inp); 1933166675Srrs *value = inp->sctp_ep.max_burst; 1934163953Srrs SCTP_INP_RUNLOCK(inp); 1935166675Srrs *optsize = sizeof(uint8_t); 1936163953Srrs } 1937163953Srrs break; 1938163953Srrs case SCTP_MAXSEG: 1939163953Srrs { 1940167598Srrs struct sctp_assoc_value *av; 1941163953Srrs int ovh; 1942163953Srrs 1943167598Srrs SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1944170056Srrs SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1945163953Srrs 1946167598Srrs if (stcb) { 1947167598Srrs av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 1948167598Srrs SCTP_TCB_UNLOCK(stcb); 1949163953Srrs } else { 1950167598Srrs SCTP_INP_RLOCK(inp); 1951167598Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1952167598Srrs ovh = SCTP_MED_OVERHEAD; 1953167598Srrs } else { 1954167598Srrs ovh = SCTP_MED_V4_OVERHEAD; 1955167598Srrs } 1956170056Srrs if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 1957170056Srrs av->assoc_value = 0; 1958170056Srrs else 1959170056Srrs av->assoc_value = inp->sctp_frag_point - ovh; 1960167598Srrs SCTP_INP_RUNLOCK(inp); 1961163953Srrs } 1962167598Srrs *optsize = sizeof(struct sctp_assoc_value); 1963163953Srrs } 1964163953Srrs break; 1965163953Srrs case SCTP_GET_STAT_LOG: 1966167598Srrs error = sctp_fill_stat_log(optval, optsize); 1967163953Srrs break; 1968163953Srrs case SCTP_EVENTS: 1969163953Srrs { 1970163953Srrs struct sctp_event_subscribe *events; 1971163953Srrs 1972166675Srrs SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 1973163953Srrs memset(events, 0, sizeof(*events)); 1974163953Srrs SCTP_INP_RLOCK(inp); 1975163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 1976163953Srrs events->sctp_data_io_event = 1; 1977163953Srrs 1978163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 1979163953Srrs events->sctp_association_event = 1; 1980163953Srrs 1981163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 1982163953Srrs events->sctp_address_event = 1; 1983163953Srrs 1984163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 1985163953Srrs events->sctp_send_failure_event = 1; 1986163953Srrs 1987163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 1988163953Srrs events->sctp_peer_error_event = 1; 1989163953Srrs 1990163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 1991163953Srrs events->sctp_shutdown_event = 1; 1992163953Srrs 1993163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 1994163953Srrs events->sctp_partial_delivery_event = 1; 1995163953Srrs 1996163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 1997163953Srrs events->sctp_adaptation_layer_event = 1; 1998163953Srrs 1999163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2000163953Srrs events->sctp_authentication_event = 1; 2001163953Srrs 2002185694Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2003185694Srrs events->sctp_sender_dry_event = 1; 2004185694Srrs 2005163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2006202520Srrs events->sctp_stream_reset_event = 1; 2007163953Srrs SCTP_INP_RUNLOCK(inp); 2008166675Srrs *optsize = sizeof(struct sctp_event_subscribe); 2009163953Srrs } 2010163953Srrs break; 2011163953Srrs 2012163953Srrs case SCTP_ADAPTATION_LAYER: 2013166675Srrs { 2014166675Srrs uint32_t *value; 2015166675Srrs 2016166675Srrs SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2017166675Srrs 2018166675Srrs SCTP_INP_RLOCK(inp); 2019166675Srrs *value = inp->sctp_ep.adaptation_layer_indicator; 2020166675Srrs SCTP_INP_RUNLOCK(inp); 2021166675Srrs *optsize = sizeof(uint32_t); 2022163953Srrs } 2023163953Srrs break; 2024163953Srrs case SCTP_SET_INITIAL_DBG_SEQ: 2025166675Srrs { 2026166675Srrs uint32_t *value; 2027166675Srrs 2028166675Srrs SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2029166675Srrs SCTP_INP_RLOCK(inp); 2030166675Srrs *value = inp->sctp_ep.initial_sequence_debug; 2031166675Srrs SCTP_INP_RUNLOCK(inp); 2032166675Srrs *optsize = sizeof(uint32_t); 2033163953Srrs } 2034163953Srrs break; 2035163953Srrs case SCTP_GET_LOCAL_ADDR_SIZE: 2036166675Srrs { 2037166675Srrs uint32_t *value; 2038166675Srrs 2039166675Srrs SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2040166675Srrs SCTP_INP_RLOCK(inp); 2041168124Srrs *value = sctp_count_max_addresses(inp); 2042166675Srrs SCTP_INP_RUNLOCK(inp); 2043166675Srrs *optsize = sizeof(uint32_t); 2044163953Srrs } 2045163953Srrs break; 2046163953Srrs case SCTP_GET_REMOTE_ADDR_SIZE: 2047163953Srrs { 2048166675Srrs uint32_t *value; 2049166675Srrs size_t size; 2050163953Srrs struct sctp_nets *net; 2051163953Srrs 2052166675Srrs SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2053166675Srrs /* FIXME MT: change to sctp_assoc_value? */ 2054166675Srrs SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 2055166675Srrs 2056166675Srrs if (stcb) { 2057166675Srrs size = 0; 2058166675Srrs /* Count the sizes */ 2059166675Srrs TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2060178251Srrs if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) || 2061166675Srrs (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET6)) { 2062166675Srrs size += sizeof(struct sockaddr_in6); 2063166675Srrs } else if (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET) { 2064166675Srrs size += sizeof(struct sockaddr_in); 2065166675Srrs } else { 2066166675Srrs /* huh */ 2067166675Srrs break; 2068166675Srrs } 2069163953Srrs } 2070166675Srrs SCTP_TCB_UNLOCK(stcb); 2071166675Srrs *value = (uint32_t) size; 2072166675Srrs } else { 2073171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2074166675Srrs error = ENOTCONN; 2075163953Srrs } 2076166675Srrs *optsize = sizeof(uint32_t); 2077163953Srrs } 2078163953Srrs break; 2079163953Srrs case SCTP_GET_PEER_ADDRESSES: 2080163953Srrs /* 2081163953Srrs * Get the address information, an array is passed in to 2082163953Srrs * fill up we pack it. 2083163953Srrs */ 2084163953Srrs { 2085166675Srrs size_t cpsz, left; 2086163953Srrs struct sockaddr_storage *sas; 2087163953Srrs struct sctp_nets *net; 2088163953Srrs struct sctp_getaddresses *saddr; 2089163953Srrs 2090166675Srrs SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2091166675Srrs SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2092163953Srrs 2093166675Srrs if (stcb) { 2094166675Srrs left = (*optsize) - sizeof(struct sctp_getaddresses); 2095166675Srrs *optsize = sizeof(struct sctp_getaddresses); 2096166675Srrs sas = (struct sockaddr_storage *)&saddr->addr[0]; 2097166675Srrs 2098166675Srrs TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2099178251Srrs if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) || 2100166675Srrs (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET6)) { 2101166675Srrs cpsz = sizeof(struct sockaddr_in6); 2102166675Srrs } else if (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET) { 2103166675Srrs cpsz = sizeof(struct sockaddr_in); 2104166675Srrs } else { 2105166675Srrs /* huh */ 2106166675Srrs break; 2107166675Srrs } 2108166675Srrs if (left < cpsz) { 2109166675Srrs /* not enough room. */ 2110166675Srrs break; 2111166675Srrs } 2112178251Srrs#ifdef INET6 2113178251Srrs if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2114166675Srrs (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET)) { 2115166675Srrs /* Must map the address */ 2116166675Srrs in6_sin_2_v4mapsin6((struct sockaddr_in *)&net->ro._l_addr, 2117166675Srrs (struct sockaddr_in6 *)sas); 2118166675Srrs } else { 2119178251Srrs#endif 2120166675Srrs memcpy(sas, &net->ro._l_addr, cpsz); 2121178251Srrs#ifdef INET6 2122166675Srrs } 2123178251Srrs#endif 2124166675Srrs ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2125166675Srrs 2126166675Srrs sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2127166675Srrs left -= cpsz; 2128166675Srrs *optsize += cpsz; 2129163953Srrs } 2130166675Srrs SCTP_TCB_UNLOCK(stcb); 2131166675Srrs } else { 2132171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2133166675Srrs error = ENOENT; 2134163953Srrs } 2135163953Srrs } 2136163953Srrs break; 2137163953Srrs case SCTP_GET_LOCAL_ADDRESSES: 2138163953Srrs { 2139166675Srrs size_t limit, actual; 2140163953Srrs struct sockaddr_storage *sas; 2141163953Srrs struct sctp_getaddresses *saddr; 2142163953Srrs 2143166675Srrs SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2144166675Srrs SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2145163953Srrs 2146163953Srrs sas = (struct sockaddr_storage *)&saddr->addr[0]; 2147166675Srrs limit = *optsize - sizeof(sctp_assoc_t); 2148168124Srrs actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2149169655Srrs if (stcb) { 2150163953Srrs SCTP_TCB_UNLOCK(stcb); 2151169655Srrs } 2152166675Srrs *optsize = sizeof(struct sockaddr_storage) + actual; 2153163953Srrs } 2154163953Srrs break; 2155163953Srrs case SCTP_PEER_ADDR_PARAMS: 2156163953Srrs { 2157163953Srrs struct sctp_paddrparams *paddrp; 2158163953Srrs struct sctp_nets *net; 2159163953Srrs 2160166675Srrs SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2161166675Srrs SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2162163953Srrs 2163163953Srrs net = NULL; 2164166675Srrs if (stcb) { 2165166675Srrs net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 2166166675Srrs } else { 2167166675Srrs /* 2168166675Srrs * We increment here since 2169166675Srrs * sctp_findassociation_ep_addr() wil do a 2170166675Srrs * decrement if it finds the stcb as long as 2171166675Srrs * the locked tcb (last argument) is NOT a 2172166675Srrs * TCB.. aka NULL. 2173166675Srrs */ 2174166675Srrs SCTP_INP_INCR_REF(inp); 2175166675Srrs stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddrp->spp_address, &net, NULL, NULL); 2176163953Srrs if (stcb == NULL) { 2177166675Srrs SCTP_INP_DECR_REF(inp); 2178163953Srrs } 2179163953Srrs } 2180171943Srrs if (stcb && (net == NULL)) { 2181171943Srrs struct sockaddr *sa; 2182163953Srrs 2183171943Srrs sa = (struct sockaddr *)&paddrp->spp_address; 2184171943Srrs if (sa->sa_family == AF_INET) { 2185171943Srrs struct sockaddr_in *sin; 2186171943Srrs 2187171943Srrs sin = (struct sockaddr_in *)sa; 2188171943Srrs if (sin->sin_addr.s_addr) { 2189171943Srrs error = EINVAL; 2190171943Srrs SCTP_TCB_UNLOCK(stcb); 2191171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2192171943Srrs break; 2193171943Srrs } 2194171943Srrs } else if (sa->sa_family == AF_INET6) { 2195171943Srrs struct sockaddr_in6 *sin6; 2196171943Srrs 2197171943Srrs sin6 = (struct sockaddr_in6 *)sa; 2198171943Srrs if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2199171943Srrs error = EINVAL; 2200171943Srrs SCTP_TCB_UNLOCK(stcb); 2201171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2202171943Srrs break; 2203171943Srrs } 2204171943Srrs } else { 2205171943Srrs error = EAFNOSUPPORT; 2206171943Srrs SCTP_TCB_UNLOCK(stcb); 2207171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2208171943Srrs break; 2209171943Srrs } 2210171943Srrs } 2211163953Srrs if (stcb) { 2212163953Srrs /* Applys to the specific association */ 2213163953Srrs paddrp->spp_flags = 0; 2214163953Srrs if (net) { 2215170056Srrs int ovh; 2216170056Srrs 2217170056Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2218170056Srrs ovh = SCTP_MED_OVERHEAD; 2219170056Srrs } else { 2220170056Srrs ovh = SCTP_MED_V4_OVERHEAD; 2221170056Srrs } 2222170056Srrs 2223170056Srrs 2224163953Srrs paddrp->spp_pathmaxrxt = net->failure_threshold; 2225170056Srrs paddrp->spp_pathmtu = net->mtu - ovh; 2226163953Srrs /* get flags for HB */ 2227163953Srrs if (net->dest_state & SCTP_ADDR_NOHB) 2228163953Srrs paddrp->spp_flags |= SPP_HB_DISABLE; 2229163953Srrs else 2230163953Srrs paddrp->spp_flags |= SPP_HB_ENABLE; 2231163953Srrs /* get flags for PMTU */ 2232165647Srrs if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 2233163953Srrs paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2234163953Srrs } else { 2235163953Srrs paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2236163953Srrs } 2237167598Srrs#ifdef INET 2238163953Srrs if (net->ro._l_addr.sin.sin_family == AF_INET) { 2239163953Srrs paddrp->spp_ipv4_tos = net->tos_flowlabel & 0x000000fc; 2240163953Srrs paddrp->spp_flags |= SPP_IPV4_TOS; 2241163953Srrs } 2242163953Srrs#endif 2243167598Srrs#ifdef INET6 2244163953Srrs if (net->ro._l_addr.sin6.sin6_family == AF_INET6) { 2245163953Srrs paddrp->spp_ipv6_flowlabel = net->tos_flowlabel; 2246163953Srrs paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2247163953Srrs } 2248163953Srrs#endif 2249163953Srrs } else { 2250163953Srrs /* 2251163953Srrs * No destination so return default 2252163953Srrs * value 2253163953Srrs */ 2254170056Srrs int cnt = 0; 2255170056Srrs 2256163953Srrs paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2257163953Srrs paddrp->spp_pathmtu = sctp_get_frag_point(stcb, &stcb->asoc); 2258167598Srrs#ifdef INET 2259163953Srrs paddrp->spp_ipv4_tos = stcb->asoc.default_tos & 0x000000fc; 2260163953Srrs paddrp->spp_flags |= SPP_IPV4_TOS; 2261163953Srrs#endif 2262167598Srrs#ifdef INET6 2263163953Srrs paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel; 2264163953Srrs paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2265163953Srrs#endif 2266163953Srrs /* default settings should be these */ 2267170056Srrs if (stcb->asoc.hb_is_disabled == 0) { 2268163953Srrs paddrp->spp_flags |= SPP_HB_ENABLE; 2269170056Srrs } else { 2270170056Srrs paddrp->spp_flags |= SPP_HB_DISABLE; 2271163953Srrs } 2272170056Srrs TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2273170056Srrs if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 2274170056Srrs cnt++; 2275170056Srrs } 2276170056Srrs } 2277170056Srrs if (cnt) { 2278170056Srrs paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2279170056Srrs } 2280163953Srrs } 2281163953Srrs paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2282163953Srrs paddrp->spp_assoc_id = sctp_get_associd(stcb); 2283163953Srrs SCTP_TCB_UNLOCK(stcb); 2284163953Srrs } else { 2285163953Srrs /* Use endpoint defaults */ 2286163953Srrs SCTP_INP_RLOCK(inp); 2287163953Srrs paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2288163953Srrs paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2289163953Srrs paddrp->spp_assoc_id = (sctp_assoc_t) 0; 2290163953Srrs /* get inp's default */ 2291167598Srrs#ifdef INET 2292163953Srrs paddrp->spp_ipv4_tos = inp->ip_inp.inp.inp_ip_tos; 2293163953Srrs paddrp->spp_flags |= SPP_IPV4_TOS; 2294163953Srrs#endif 2295167598Srrs#ifdef INET6 2296163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2297163953Srrs paddrp->spp_ipv6_flowlabel = ((struct in6pcb *)inp)->in6p_flowinfo; 2298163953Srrs paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2299163953Srrs } 2300163953Srrs#endif 2301163953Srrs /* can't return this */ 2302163953Srrs paddrp->spp_pathmtu = 0; 2303170056Srrs 2304163953Srrs /* default behavior, no stcb */ 2305170056Srrs paddrp->spp_flags = SPP_PMTUD_ENABLE; 2306163953Srrs 2307170056Srrs if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2308170056Srrs paddrp->spp_flags |= SPP_HB_ENABLE; 2309170056Srrs } else { 2310170056Srrs paddrp->spp_flags |= SPP_HB_DISABLE; 2311170056Srrs } 2312163953Srrs SCTP_INP_RUNLOCK(inp); 2313163953Srrs } 2314166675Srrs *optsize = sizeof(struct sctp_paddrparams); 2315163953Srrs } 2316163953Srrs break; 2317163953Srrs case SCTP_GET_PEER_ADDR_INFO: 2318163953Srrs { 2319163953Srrs struct sctp_paddrinfo *paddri; 2320163953Srrs struct sctp_nets *net; 2321163953Srrs 2322166675Srrs SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2323166675Srrs SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2324166675Srrs 2325163953Srrs net = NULL; 2326166675Srrs if (stcb) { 2327166675Srrs net = sctp_findnet(stcb, (struct sockaddr *)&paddri->spinfo_address); 2328166675Srrs } else { 2329166675Srrs /* 2330166675Srrs * We increment here since 2331166675Srrs * sctp_findassociation_ep_addr() wil do a 2332166675Srrs * decrement if it finds the stcb as long as 2333166675Srrs * the locked tcb (last argument) is NOT a 2334166675Srrs * TCB.. aka NULL. 2335166675Srrs */ 2336166675Srrs SCTP_INP_INCR_REF(inp); 2337166675Srrs stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddri->spinfo_address, &net, NULL, NULL); 2338166675Srrs if (stcb == NULL) { 2339166675Srrs SCTP_INP_DECR_REF(inp); 2340163953Srrs } 2341166675Srrs } 2342163953Srrs 2343166675Srrs if ((stcb) && (net)) { 2344166675Srrs paddri->spinfo_state = net->dest_state & (SCTP_REACHABLE_MASK | SCTP_ADDR_NOHB); 2345166675Srrs paddri->spinfo_cwnd = net->cwnd; 2346166675Srrs paddri->spinfo_srtt = ((net->lastsa >> 2) + net->lastsv) >> 1; 2347166675Srrs paddri->spinfo_rto = net->RTO; 2348166675Srrs paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2349166675Srrs SCTP_TCB_UNLOCK(stcb); 2350163953Srrs } else { 2351163953Srrs if (stcb) { 2352163953Srrs SCTP_TCB_UNLOCK(stcb); 2353163953Srrs } 2354171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2355163953Srrs error = ENOENT; 2356163953Srrs } 2357166675Srrs *optsize = sizeof(struct sctp_paddrinfo); 2358163953Srrs } 2359163953Srrs break; 2360163953Srrs case SCTP_PCB_STATUS: 2361163953Srrs { 2362163953Srrs struct sctp_pcbinfo *spcb; 2363163953Srrs 2364166675Srrs SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2365163953Srrs sctp_fill_pcbinfo(spcb); 2366166675Srrs *optsize = sizeof(struct sctp_pcbinfo); 2367163953Srrs } 2368163953Srrs break; 2369167598Srrs 2370163953Srrs case SCTP_STATUS: 2371163953Srrs { 2372163953Srrs struct sctp_nets *net; 2373163953Srrs struct sctp_status *sstat; 2374163953Srrs 2375166675Srrs SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2376166675Srrs SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2377163953Srrs 2378163953Srrs if (stcb == NULL) { 2379171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2380163953Srrs error = EINVAL; 2381163953Srrs break; 2382163953Srrs } 2383163953Srrs /* 2384163953Srrs * I think passing the state is fine since 2385163953Srrs * sctp_constants.h will be available to the user 2386163953Srrs * land. 2387163953Srrs */ 2388163953Srrs sstat->sstat_state = stcb->asoc.state; 2389173179Srrs sstat->sstat_assoc_id = sctp_get_associd(stcb); 2390163953Srrs sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2391163953Srrs sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2392163953Srrs /* 2393163953Srrs * We can't include chunks that have been passed to 2394163953Srrs * the socket layer. Only things in queue. 2395163953Srrs */ 2396163953Srrs sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2397163953Srrs stcb->asoc.cnt_on_all_streams); 2398163953Srrs 2399163953Srrs 2400163953Srrs sstat->sstat_instrms = stcb->asoc.streamincnt; 2401163953Srrs sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2402163953Srrs sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2403163953Srrs memcpy(&sstat->sstat_primary.spinfo_address, 2404163953Srrs &stcb->asoc.primary_destination->ro._l_addr, 2405163953Srrs ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2406163953Srrs net = stcb->asoc.primary_destination; 2407163953Srrs ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2408163953Srrs /* 2409163953Srrs * Again the user can get info from sctp_constants.h 2410163953Srrs * for what the state of the network is. 2411163953Srrs */ 2412163953Srrs sstat->sstat_primary.spinfo_state = net->dest_state & SCTP_REACHABLE_MASK; 2413163953Srrs sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2414163953Srrs sstat->sstat_primary.spinfo_srtt = net->lastsa; 2415163953Srrs sstat->sstat_primary.spinfo_rto = net->RTO; 2416163953Srrs sstat->sstat_primary.spinfo_mtu = net->mtu; 2417163953Srrs sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2418163953Srrs SCTP_TCB_UNLOCK(stcb); 2419166675Srrs *optsize = sizeof(*sstat); 2420163953Srrs } 2421163953Srrs break; 2422163953Srrs case SCTP_RTOINFO: 2423163953Srrs { 2424163953Srrs struct sctp_rtoinfo *srto; 2425163953Srrs 2426166675Srrs SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2427166675Srrs SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2428166675Srrs 2429166675Srrs if (stcb) { 2430166675Srrs srto->srto_initial = stcb->asoc.initial_rto; 2431166675Srrs srto->srto_max = stcb->asoc.maxrto; 2432166675Srrs srto->srto_min = stcb->asoc.minrto; 2433166675Srrs SCTP_TCB_UNLOCK(stcb); 2434166675Srrs } else { 2435163953Srrs SCTP_INP_RLOCK(inp); 2436163953Srrs srto->srto_initial = inp->sctp_ep.initial_rto; 2437163953Srrs srto->srto_max = inp->sctp_ep.sctp_maxrto; 2438163953Srrs srto->srto_min = inp->sctp_ep.sctp_minrto; 2439163953Srrs SCTP_INP_RUNLOCK(inp); 2440163953Srrs } 2441166675Srrs *optsize = sizeof(*srto); 2442163953Srrs } 2443163953Srrs break; 2444163953Srrs case SCTP_ASSOCINFO: 2445163953Srrs { 2446163953Srrs struct sctp_assocparams *sasoc; 2447171477Srrs uint32_t oldval; 2448163953Srrs 2449166675Srrs SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2450166675Srrs SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2451163953Srrs 2452163953Srrs if (stcb) { 2453171477Srrs oldval = sasoc->sasoc_cookie_life; 2454171477Srrs sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2455163953Srrs sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2456163953Srrs sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2457163953Srrs sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2458163953Srrs sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2459163953Srrs SCTP_TCB_UNLOCK(stcb); 2460163953Srrs } else { 2461163953Srrs SCTP_INP_RLOCK(inp); 2462171477Srrs sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2463163953Srrs sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2464163953Srrs sasoc->sasoc_number_peer_destinations = 0; 2465163953Srrs sasoc->sasoc_peer_rwnd = 0; 2466163953Srrs sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2467163953Srrs SCTP_INP_RUNLOCK(inp); 2468163953Srrs } 2469166675Srrs *optsize = sizeof(*sasoc); 2470163953Srrs } 2471163953Srrs break; 2472163953Srrs case SCTP_DEFAULT_SEND_PARAM: 2473163953Srrs { 2474163953Srrs struct sctp_sndrcvinfo *s_info; 2475163953Srrs 2476166675Srrs SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2477166675Srrs SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2478166675Srrs 2479166675Srrs if (stcb) { 2480170056Srrs memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2481166675Srrs SCTP_TCB_UNLOCK(stcb); 2482166675Srrs } else { 2483163953Srrs SCTP_INP_RLOCK(inp); 2484170056Srrs memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2485163953Srrs SCTP_INP_RUNLOCK(inp); 2486163953Srrs } 2487166675Srrs *optsize = sizeof(*s_info); 2488163953Srrs } 2489163953Srrs break; 2490163953Srrs case SCTP_INITMSG: 2491163953Srrs { 2492163953Srrs struct sctp_initmsg *sinit; 2493163953Srrs 2494166675Srrs SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2495163953Srrs SCTP_INP_RLOCK(inp); 2496163953Srrs sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2497163953Srrs sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2498163953Srrs sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2499163953Srrs sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2500163953Srrs SCTP_INP_RUNLOCK(inp); 2501166675Srrs *optsize = sizeof(*sinit); 2502163953Srrs } 2503163953Srrs break; 2504163953Srrs case SCTP_PRIMARY_ADDR: 2505163953Srrs /* we allow a "get" operation on this */ 2506163953Srrs { 2507163953Srrs struct sctp_setprim *ssp; 2508163953Srrs 2509166675Srrs SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2510166675Srrs SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2511166675Srrs 2512166675Srrs if (stcb) { 2513166675Srrs /* simply copy out the sockaddr_storage... */ 2514170056Srrs int len; 2515170056Srrs 2516170056Srrs len = *optsize; 2517170056Srrs if (len > stcb->asoc.primary_destination->ro._l_addr.sa.sa_len) 2518170056Srrs len = stcb->asoc.primary_destination->ro._l_addr.sa.sa_len; 2519170056Srrs 2520170056Srrs memcpy(&ssp->ssp_addr, 2521170056Srrs &stcb->asoc.primary_destination->ro._l_addr, 2522170056Srrs len); 2523166675Srrs SCTP_TCB_UNLOCK(stcb); 2524166675Srrs } else { 2525171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2526163953Srrs error = EINVAL; 2527163953Srrs } 2528166675Srrs *optsize = sizeof(*ssp); 2529163953Srrs } 2530163953Srrs break; 2531163953Srrs 2532163953Srrs case SCTP_HMAC_IDENT: 2533163953Srrs { 2534163953Srrs struct sctp_hmacalgo *shmac; 2535163953Srrs sctp_hmaclist_t *hmaclist; 2536163953Srrs uint32_t size; 2537163953Srrs int i; 2538163953Srrs 2539166675Srrs SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2540166675Srrs 2541163953Srrs SCTP_INP_RLOCK(inp); 2542163953Srrs hmaclist = inp->sctp_ep.local_hmacs; 2543163953Srrs if (hmaclist == NULL) { 2544163953Srrs /* no HMACs to return */ 2545166675Srrs *optsize = sizeof(*shmac); 2546168299Srrs SCTP_INP_RUNLOCK(inp); 2547163953Srrs break; 2548163953Srrs } 2549163953Srrs /* is there room for all of the hmac ids? */ 2550163953Srrs size = sizeof(*shmac) + (hmaclist->num_algo * 2551163953Srrs sizeof(shmac->shmac_idents[0])); 2552166675Srrs if ((size_t)(*optsize) < size) { 2553171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2554163953Srrs error = EINVAL; 2555163953Srrs SCTP_INP_RUNLOCK(inp); 2556163953Srrs break; 2557163953Srrs } 2558163953Srrs /* copy in the list */ 2559181054Srrs shmac->shmac_number_of_idents = hmaclist->num_algo; 2560181054Srrs for (i = 0; i < hmaclist->num_algo; i++) { 2561163953Srrs shmac->shmac_idents[i] = hmaclist->hmac[i]; 2562181054Srrs } 2563163953Srrs SCTP_INP_RUNLOCK(inp); 2564166675Srrs *optsize = size; 2565163953Srrs break; 2566163953Srrs } 2567163953Srrs case SCTP_AUTH_ACTIVE_KEY: 2568163953Srrs { 2569163953Srrs struct sctp_authkeyid *scact; 2570163953Srrs 2571166675Srrs SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2572166675Srrs SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2573166675Srrs 2574166675Srrs if (stcb) { 2575163953Srrs /* get the active key on the assoc */ 2576185694Srrs scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2577163953Srrs SCTP_TCB_UNLOCK(stcb); 2578163953Srrs } else { 2579163953Srrs /* get the endpoint active key */ 2580163953Srrs SCTP_INP_RLOCK(inp); 2581163953Srrs scact->scact_keynumber = inp->sctp_ep.default_keyid; 2582163953Srrs SCTP_INP_RUNLOCK(inp); 2583163953Srrs } 2584166675Srrs *optsize = sizeof(*scact); 2585163953Srrs break; 2586163953Srrs } 2587163953Srrs case SCTP_LOCAL_AUTH_CHUNKS: 2588163953Srrs { 2589163953Srrs struct sctp_authchunks *sac; 2590163953Srrs sctp_auth_chklist_t *chklist = NULL; 2591166675Srrs size_t size = 0; 2592163953Srrs 2593166675Srrs SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2594166675Srrs SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2595166675Srrs 2596166675Srrs if (stcb) { 2597163953Srrs /* get off the assoc */ 2598163953Srrs chklist = stcb->asoc.local_auth_chunks; 2599163953Srrs /* is there enough space? */ 2600163953Srrs size = sctp_auth_get_chklist_size(chklist); 2601166675Srrs if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2602163953Srrs error = EINVAL; 2603171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2604166675Srrs } else { 2605166675Srrs /* copy in the chunks */ 2606169420Srrs (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2607163953Srrs } 2608163953Srrs SCTP_TCB_UNLOCK(stcb); 2609163953Srrs } else { 2610163953Srrs /* get off the endpoint */ 2611163953Srrs SCTP_INP_RLOCK(inp); 2612163953Srrs chklist = inp->sctp_ep.local_auth_chunks; 2613163953Srrs /* is there enough space? */ 2614163953Srrs size = sctp_auth_get_chklist_size(chklist); 2615166675Srrs if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2616163953Srrs error = EINVAL; 2617171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2618166675Srrs } else { 2619166675Srrs /* copy in the chunks */ 2620169420Srrs (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2621163953Srrs } 2622163953Srrs SCTP_INP_RUNLOCK(inp); 2623163953Srrs } 2624166675Srrs *optsize = sizeof(struct sctp_authchunks) + size; 2625163953Srrs break; 2626163953Srrs } 2627163953Srrs case SCTP_PEER_AUTH_CHUNKS: 2628163953Srrs { 2629163953Srrs struct sctp_authchunks *sac; 2630163953Srrs sctp_auth_chklist_t *chklist = NULL; 2631166675Srrs size_t size = 0; 2632163953Srrs 2633166675Srrs SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2634166675Srrs SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2635166675Srrs 2636166675Srrs if (stcb) { 2637166675Srrs /* get off the assoc */ 2638166675Srrs chklist = stcb->asoc.peer_auth_chunks; 2639166675Srrs /* is there enough space? */ 2640166675Srrs size = sctp_auth_get_chklist_size(chklist); 2641166675Srrs if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2642166675Srrs error = EINVAL; 2643171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2644166675Srrs } else { 2645166675Srrs /* copy in the chunks */ 2646169420Srrs (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2647166675Srrs } 2648166675Srrs SCTP_TCB_UNLOCK(stcb); 2649166675Srrs } else { 2650171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2651163953Srrs error = ENOENT; 2652163953Srrs } 2653166675Srrs *optsize = sizeof(struct sctp_authchunks) + size; 2654163953Srrs break; 2655163953Srrs } 2656163953Srrs 2657163953Srrs 2658163953Srrs default: 2659171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 2660163953Srrs error = ENOPROTOOPT; 2661166675Srrs *optsize = 0; 2662163953Srrs break; 2663163953Srrs } /* end switch (sopt->sopt_name) */ 2664163953Srrs return (error); 2665163953Srrs} 2666163953Srrs 2667163953Srrsstatic int 2668166675Srrssctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 2669166675Srrs void *p) 2670163953Srrs{ 2671166675Srrs int error, set_opt; 2672166675Srrs uint32_t *mopt; 2673163953Srrs struct sctp_tcb *stcb = NULL; 2674171943Srrs struct sctp_inpcb *inp = NULL; 2675167598Srrs uint32_t vrf_id; 2676163953Srrs 2677166675Srrs if (optval == NULL) { 2678169420Srrs SCTP_PRINTF("optval is NULL\n"); 2679171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2680163953Srrs return (EINVAL); 2681163953Srrs } 2682163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 2683167598Srrs if (inp == 0) { 2684169420Srrs SCTP_PRINTF("inp is NULL?\n"); 2685171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2686163953Srrs return EINVAL; 2687167598Srrs } 2688168299Srrs vrf_id = inp->def_vrf_id; 2689163953Srrs 2690163953Srrs error = 0; 2691166675Srrs switch (optname) { 2692163953Srrs case SCTP_NODELAY: 2693163953Srrs case SCTP_AUTOCLOSE: 2694163953Srrs case SCTP_AUTO_ASCONF: 2695163953Srrs case SCTP_EXPLICIT_EOR: 2696163953Srrs case SCTP_DISABLE_FRAGMENTS: 2697163953Srrs case SCTP_USE_EXT_RCVINFO: 2698163953Srrs case SCTP_I_WANT_MAPPED_V4_ADDR: 2699163953Srrs /* copy in the option value */ 2700166675Srrs SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 2701163953Srrs set_opt = 0; 2702163953Srrs if (error) 2703163953Srrs break; 2704166675Srrs switch (optname) { 2705163953Srrs case SCTP_DISABLE_FRAGMENTS: 2706163953Srrs set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 2707163953Srrs break; 2708163953Srrs case SCTP_AUTO_ASCONF: 2709171943Srrs /* 2710171943Srrs * NOTE: we don't really support this flag 2711171943Srrs */ 2712171943Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 2713171943Srrs /* only valid for bound all sockets */ 2714171943Srrs set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 2715171943Srrs } else { 2716171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2717171943Srrs return (EINVAL); 2718171943Srrs } 2719163953Srrs break; 2720163953Srrs case SCTP_EXPLICIT_EOR: 2721163953Srrs set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 2722163953Srrs break; 2723163953Srrs case SCTP_USE_EXT_RCVINFO: 2724163953Srrs set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 2725163953Srrs break; 2726163953Srrs case SCTP_I_WANT_MAPPED_V4_ADDR: 2727163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2728163953Srrs set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 2729163953Srrs } else { 2730171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2731163953Srrs return (EINVAL); 2732163953Srrs } 2733163953Srrs break; 2734163953Srrs case SCTP_NODELAY: 2735163953Srrs set_opt = SCTP_PCB_FLAGS_NODELAY; 2736163953Srrs break; 2737163953Srrs case SCTP_AUTOCLOSE: 2738170056Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2739170056Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 2740171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2741170056Srrs return (EINVAL); 2742170056Srrs } 2743163953Srrs set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 2744163953Srrs /* 2745163953Srrs * The value is in ticks. Note this does not effect 2746163953Srrs * old associations, only new ones. 2747163953Srrs */ 2748163953Srrs inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 2749163953Srrs break; 2750163953Srrs } 2751163953Srrs SCTP_INP_WLOCK(inp); 2752163953Srrs if (*mopt != 0) { 2753163953Srrs sctp_feature_on(inp, set_opt); 2754163953Srrs } else { 2755163953Srrs sctp_feature_off(inp, set_opt); 2756163953Srrs } 2757163953Srrs SCTP_INP_WUNLOCK(inp); 2758163953Srrs break; 2759181054Srrs case SCTP_REUSE_PORT: 2760181054Srrs { 2761181054Srrs SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 2762181054Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 2763181054Srrs /* Can't set it after we are bound */ 2764181054Srrs error = EINVAL; 2765181054Srrs break; 2766181054Srrs } 2767181054Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 2768181054Srrs /* Can't do this for a 1-m socket */ 2769181054Srrs error = EINVAL; 2770181054Srrs break; 2771181054Srrs } 2772181054Srrs if (optval) 2773181054Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 2774181054Srrs else 2775181054Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 2776181054Srrs } 2777181054Srrs break; 2778163953Srrs case SCTP_PARTIAL_DELIVERY_POINT: 2779163953Srrs { 2780166675Srrs uint32_t *value; 2781166675Srrs 2782166675Srrs SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 2783167736Srrs if (*value > SCTP_SB_LIMIT_RCV(so)) { 2784171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2785167736Srrs error = EINVAL; 2786167736Srrs break; 2787167736Srrs } 2788166675Srrs inp->partial_delivery_point = *value; 2789163953Srrs } 2790163953Srrs break; 2791163953Srrs case SCTP_FRAGMENT_INTERLEAVE: 2792163953Srrs /* not yet until we re-write sctp_recvmsg() */ 2793163953Srrs { 2794168943Srrs uint32_t *level; 2795163953Srrs 2796168943Srrs SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 2797168943Srrs if (*level == SCTP_FRAG_LEVEL_2) { 2798163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 2799168943Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 2800168943Srrs } else if (*level == SCTP_FRAG_LEVEL_1) { 2801168943Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 2802168943Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 2803168943Srrs } else if (*level == SCTP_FRAG_LEVEL_0) { 2804170056Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 2805168943Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 2806168943Srrs 2807163953Srrs } else { 2808171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2809168943Srrs error = EINVAL; 2810163953Srrs } 2811163953Srrs } 2812163953Srrs break; 2813163953Srrs case SCTP_CMT_ON_OFF: 2814211944Stuexen if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 2815163953Srrs struct sctp_assoc_value *av; 2816163953Srrs 2817166675Srrs SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 2818211944Stuexen SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2819211944Stuexen if (stcb) { 2820211944Stuexen if (av->assoc_value != 0) 2821211944Stuexen stcb->asoc.sctp_cmt_on_off = 1; 2822211944Stuexen else 2823211944Stuexen stcb->asoc.sctp_cmt_on_off = 0; 2824211944Stuexen SCTP_TCB_UNLOCK(stcb); 2825166675Srrs } else { 2826211944Stuexen SCTP_INP_WLOCK(inp); 2827211944Stuexen if (av->assoc_value != 0) 2828211944Stuexen inp->sctp_cmt_on_off = 1; 2829211944Stuexen else 2830211944Stuexen inp->sctp_cmt_on_off = 0; 2831211944Stuexen SCTP_INP_WUNLOCK(inp); 2832163953Srrs } 2833211944Stuexen } else { 2834211944Stuexen SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 2835211944Stuexen error = ENOPROTOOPT; 2836163953Srrs } 2837163953Srrs break; 2838171440Srrs /* JRS - Set socket option for pluggable congestion control */ 2839171440Srrs case SCTP_PLUGGABLE_CC: 2840171440Srrs { 2841171440Srrs struct sctp_assoc_value *av; 2842171440Srrs 2843171440Srrs SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 2844171440Srrs SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2845171440Srrs if (stcb) { 2846171440Srrs switch (av->assoc_value) { 2847171440Srrs /* 2848171440Srrs * JRS - Standard TCP congestion 2849171440Srrs * control 2850171440Srrs */ 2851171440Srrs case SCTP_CC_RFC2581: 2852171440Srrs { 2853171440Srrs stcb->asoc.congestion_control_module = SCTP_CC_RFC2581; 2854171440Srrs stcb->asoc.cc_functions.sctp_set_initial_cc_param = &sctp_set_initial_cc_param; 2855171440Srrs stcb->asoc.cc_functions.sctp_cwnd_update_after_sack = &sctp_cwnd_update_after_sack; 2856171440Srrs stcb->asoc.cc_functions.sctp_cwnd_update_after_fr = &sctp_cwnd_update_after_fr; 2857171440Srrs stcb->asoc.cc_functions.sctp_cwnd_update_after_timeout = &sctp_cwnd_update_after_timeout; 2858171440Srrs stcb->asoc.cc_functions.sctp_cwnd_update_after_ecn_echo = &sctp_cwnd_update_after_ecn_echo; 2859171440Srrs stcb->asoc.cc_functions.sctp_cwnd_update_after_packet_dropped = &sctp_cwnd_update_after_packet_dropped; 2860171440Srrs stcb->asoc.cc_functions.sctp_cwnd_update_after_output = &sctp_cwnd_update_after_output; 2861171440Srrs stcb->asoc.cc_functions.sctp_cwnd_update_after_fr_timer = &sctp_cwnd_update_after_fr_timer; 2862171440Srrs SCTP_TCB_UNLOCK(stcb); 2863171440Srrs break; 2864171440Srrs } 2865171440Srrs /* 2866171440Srrs * JRS - High Speed TCP congestion 2867171440Srrs * control (Floyd) 2868171440Srrs */ 2869171440Srrs case SCTP_CC_HSTCP: 2870171440Srrs { 2871171440Srrs stcb->asoc.congestion_control_module = SCTP_CC_HSTCP; 2872171440Srrs stcb->asoc.cc_functions.sctp_set_initial_cc_param = &sctp_set_initial_cc_param; 2873171440Srrs stcb->asoc.cc_functions.sctp_cwnd_update_after_sack = &sctp_hs_cwnd_update_after_sack; 2874171440Srrs stcb->asoc.cc_functions.sctp_cwnd_update_after_fr = &sctp_hs_cwnd_update_after_fr; 2875171440Srrs stcb->asoc.cc_functions.sctp_cwnd_update_after_timeout = &sctp_cwnd_update_after_timeout; 2876171440Srrs stcb->asoc.cc_functions.sctp_cwnd_update_after_ecn_echo = &sctp_cwnd_update_after_ecn_echo; 2877171440Srrs stcb->asoc.cc_functions.sctp_cwnd_update_after_packet_dropped = &sctp_cwnd_update_after_packet_dropped; 2878171440Srrs stcb->asoc.cc_functions.sctp_cwnd_update_after_output = &sctp_cwnd_update_after_output; 2879171440Srrs stcb->asoc.cc_functions.sctp_cwnd_update_after_fr_timer = &sctp_cwnd_update_after_fr_timer; 2880171440Srrs SCTP_TCB_UNLOCK(stcb); 2881171440Srrs break; 2882171440Srrs } 2883171440Srrs /* JRS - HTCP congestion control */ 2884171440Srrs case SCTP_CC_HTCP: 2885171440Srrs { 2886171440Srrs stcb->asoc.congestion_control_module = SCTP_CC_HTCP; 2887171440Srrs stcb->asoc.cc_functions.sctp_set_initial_cc_param = &sctp_htcp_set_initial_cc_param; 2888171440Srrs stcb->asoc.cc_functions.sctp_cwnd_update_after_sack = &sctp_htcp_cwnd_update_after_sack; 2889171440Srrs stcb->asoc.cc_functions.sctp_cwnd_update_after_fr = &sctp_htcp_cwnd_update_after_fr; 2890171440Srrs stcb->asoc.cc_functions.sctp_cwnd_update_after_timeout = &sctp_htcp_cwnd_update_after_timeout; 2891171440Srrs stcb->asoc.cc_functions.sctp_cwnd_update_after_ecn_echo = &sctp_htcp_cwnd_update_after_ecn_echo; 2892171440Srrs stcb->asoc.cc_functions.sctp_cwnd_update_after_packet_dropped = &sctp_cwnd_update_after_packet_dropped; 2893171440Srrs stcb->asoc.cc_functions.sctp_cwnd_update_after_output = &sctp_cwnd_update_after_output; 2894171440Srrs stcb->asoc.cc_functions.sctp_cwnd_update_after_fr_timer = &sctp_htcp_cwnd_update_after_fr_timer; 2895171440Srrs SCTP_TCB_UNLOCK(stcb); 2896171440Srrs break; 2897171440Srrs } 2898171440Srrs /* 2899171440Srrs * JRS - All other values are 2900171440Srrs * invalid 2901171440Srrs */ 2902171440Srrs default: 2903171440Srrs { 2904171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2905171440Srrs error = EINVAL; 2906171440Srrs SCTP_TCB_UNLOCK(stcb); 2907171440Srrs break; 2908171440Srrs } 2909171440Srrs } 2910171440Srrs } else { 2911171440Srrs switch (av->assoc_value) { 2912171440Srrs case SCTP_CC_RFC2581: 2913171440Srrs case SCTP_CC_HSTCP: 2914171440Srrs case SCTP_CC_HTCP: 2915171440Srrs inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 2916171440Srrs break; 2917171440Srrs default: 2918171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2919171440Srrs error = EINVAL; 2920171440Srrs break; 2921171440Srrs }; 2922171440Srrs } 2923171440Srrs } 2924171440Srrs break; 2925163953Srrs case SCTP_CLR_STAT_LOG: 2926171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 2927163953Srrs error = EOPNOTSUPP; 2928163953Srrs break; 2929163953Srrs case SCTP_CONTEXT: 2930163953Srrs { 2931163953Srrs struct sctp_assoc_value *av; 2932163953Srrs 2933166675Srrs SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 2934166675Srrs SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2935166675Srrs 2936166675Srrs if (stcb) { 2937166675Srrs stcb->asoc.context = av->assoc_value; 2938166675Srrs SCTP_TCB_UNLOCK(stcb); 2939163953Srrs } else { 2940166675Srrs SCTP_INP_WLOCK(inp); 2941163953Srrs inp->sctp_context = av->assoc_value; 2942166675Srrs SCTP_INP_WUNLOCK(inp); 2943163953Srrs } 2944163953Srrs } 2945163953Srrs break; 2946167598Srrs case SCTP_VRF_ID: 2947167598Srrs { 2948170056Srrs uint32_t *default_vrfid; 2949167598Srrs 2950170056Srrs SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 2951170056Srrs if (*default_vrfid > SCTP_MAX_VRF_ID) { 2952171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2953167598Srrs error = EINVAL; 2954167598Srrs break; 2955167598Srrs } 2956170056Srrs inp->def_vrf_id = *default_vrfid; 2957167598Srrs break; 2958167598Srrs } 2959167598Srrs case SCTP_DEL_VRF_ID: 2960167598Srrs { 2961171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 2962167598Srrs error = EOPNOTSUPP; 2963167598Srrs break; 2964167598Srrs } 2965167598Srrs case SCTP_ADD_VRF_ID: 2966167598Srrs { 2967171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 2968167598Srrs error = EOPNOTSUPP; 2969167598Srrs break; 2970167598Srrs } 2971170056Srrs case SCTP_DELAYED_SACK: 2972163953Srrs { 2973170056Srrs struct sctp_sack_info *sack; 2974163953Srrs 2975170056Srrs SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 2976170056Srrs SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 2977171477Srrs if (sack->sack_delay) { 2978171477Srrs if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 2979171477Srrs sack->sack_delay = SCTP_MAX_SACK_DELAY; 2980171477Srrs } 2981166675Srrs if (stcb) { 2982170056Srrs if (sack->sack_delay) { 2983170056Srrs if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 2984170056Srrs sack->sack_delay = TICKS_TO_MSEC(1); 2985170056Srrs } 2986170056Srrs stcb->asoc.delayed_ack = sack->sack_delay; 2987170056Srrs } 2988170056Srrs if (sack->sack_freq) { 2989170056Srrs stcb->asoc.sack_freq = sack->sack_freq; 2990170056Srrs } 2991166675Srrs SCTP_TCB_UNLOCK(stcb); 2992166675Srrs } else { 2993163953Srrs SCTP_INP_WLOCK(inp); 2994170056Srrs if (sack->sack_delay) { 2995170056Srrs if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 2996170056Srrs sack->sack_delay = TICKS_TO_MSEC(1); 2997170056Srrs } 2998170056Srrs inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 2999170056Srrs } 3000170056Srrs if (sack->sack_freq) { 3001170056Srrs inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 3002170056Srrs } 3003163953Srrs SCTP_INP_WUNLOCK(inp); 3004163953Srrs } 3005166675Srrs break; 3006163953Srrs } 3007163953Srrs case SCTP_AUTH_CHUNK: 3008163953Srrs { 3009163953Srrs struct sctp_authchunk *sauth; 3010163953Srrs 3011166675Srrs SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 3012166675Srrs 3013166675Srrs SCTP_INP_WLOCK(inp); 3014171943Srrs if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 3015171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3016163953Srrs error = EINVAL; 3017171943Srrs } 3018166675Srrs SCTP_INP_WUNLOCK(inp); 3019163953Srrs break; 3020163953Srrs } 3021163953Srrs case SCTP_AUTH_KEY: 3022163953Srrs { 3023163953Srrs struct sctp_authkey *sca; 3024163953Srrs struct sctp_keyhead *shared_keys; 3025163953Srrs sctp_sharedkey_t *shared_key; 3026163953Srrs sctp_key_t *key = NULL; 3027166675Srrs size_t size; 3028163953Srrs 3029166675Srrs SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 3030169420Srrs SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 3031169420Srrs size = optsize - sizeof(*sca); 3032166675Srrs 3033166675Srrs if (stcb) { 3034163953Srrs /* set it on the assoc */ 3035163953Srrs shared_keys = &stcb->asoc.shared_keys; 3036163953Srrs /* clear the cached keys for this key id */ 3037163953Srrs sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 3038163953Srrs /* 3039163953Srrs * create the new shared key and 3040163953Srrs * insert/replace it 3041163953Srrs */ 3042163953Srrs if (size > 0) { 3043163953Srrs key = sctp_set_key(sca->sca_key, (uint32_t) size); 3044163953Srrs if (key == NULL) { 3045171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3046163953Srrs error = ENOMEM; 3047163953Srrs SCTP_TCB_UNLOCK(stcb); 3048163953Srrs break; 3049163953Srrs } 3050163953Srrs } 3051163953Srrs shared_key = sctp_alloc_sharedkey(); 3052163953Srrs if (shared_key == NULL) { 3053163953Srrs sctp_free_key(key); 3054171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3055163953Srrs error = ENOMEM; 3056163953Srrs SCTP_TCB_UNLOCK(stcb); 3057163953Srrs break; 3058163953Srrs } 3059163953Srrs shared_key->key = key; 3060163953Srrs shared_key->keyid = sca->sca_keynumber; 3061185694Srrs error = sctp_insert_sharedkey(shared_keys, shared_key); 3062163953Srrs SCTP_TCB_UNLOCK(stcb); 3063163953Srrs } else { 3064166675Srrs /* set it on the endpoint */ 3065163953Srrs SCTP_INP_WLOCK(inp); 3066163953Srrs shared_keys = &inp->sctp_ep.shared_keys; 3067163953Srrs /* 3068163953Srrs * clear the cached keys on all assocs for 3069163953Srrs * this key id 3070163953Srrs */ 3071163953Srrs sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 3072163953Srrs /* 3073163953Srrs * create the new shared key and 3074163953Srrs * insert/replace it 3075163953Srrs */ 3076163953Srrs if (size > 0) { 3077163953Srrs key = sctp_set_key(sca->sca_key, (uint32_t) size); 3078163953Srrs if (key == NULL) { 3079171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3080163953Srrs error = ENOMEM; 3081163953Srrs SCTP_INP_WUNLOCK(inp); 3082163953Srrs break; 3083163953Srrs } 3084163953Srrs } 3085163953Srrs shared_key = sctp_alloc_sharedkey(); 3086163953Srrs if (shared_key == NULL) { 3087163953Srrs sctp_free_key(key); 3088171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3089163953Srrs error = ENOMEM; 3090163953Srrs SCTP_INP_WUNLOCK(inp); 3091163953Srrs break; 3092163953Srrs } 3093163953Srrs shared_key->key = key; 3094163953Srrs shared_key->keyid = sca->sca_keynumber; 3095185694Srrs error = sctp_insert_sharedkey(shared_keys, shared_key); 3096163953Srrs SCTP_INP_WUNLOCK(inp); 3097163953Srrs } 3098163953Srrs break; 3099163953Srrs } 3100163953Srrs case SCTP_HMAC_IDENT: 3101163953Srrs { 3102163953Srrs struct sctp_hmacalgo *shmac; 3103163953Srrs sctp_hmaclist_t *hmaclist; 3104181054Srrs uint16_t hmacid; 3105181054Srrs uint32_t i; 3106163953Srrs 3107181054Srrs size_t found; 3108181054Srrs 3109166675Srrs SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 3110181054Srrs if (optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) { 3111181054Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3112181054Srrs error = EINVAL; 3113181054Srrs break; 3114181054Srrs } 3115181054Srrs hmaclist = sctp_alloc_hmaclist(shmac->shmac_number_of_idents); 3116163953Srrs if (hmaclist == NULL) { 3117171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3118163953Srrs error = ENOMEM; 3119163953Srrs break; 3120163953Srrs } 3121181054Srrs for (i = 0; i < shmac->shmac_number_of_idents; i++) { 3122163953Srrs hmacid = shmac->shmac_idents[i]; 3123181054Srrs if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 3124163953Srrs /* invalid HMACs were found */ ; 3125171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3126163953Srrs error = EINVAL; 3127164085Srrs sctp_free_hmaclist(hmaclist); 3128163953Srrs goto sctp_set_hmac_done; 3129163953Srrs } 3130163953Srrs } 3131170056Srrs found = 0; 3132170056Srrs for (i = 0; i < hmaclist->num_algo; i++) { 3133170056Srrs if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 3134170056Srrs /* already in list */ 3135170056Srrs found = 1; 3136170056Srrs } 3137170056Srrs } 3138170056Srrs if (!found) { 3139170056Srrs sctp_free_hmaclist(hmaclist); 3140171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3141170056Srrs error = EINVAL; 3142170056Srrs break; 3143170056Srrs } 3144163953Srrs /* set it on the endpoint */ 3145163953Srrs SCTP_INP_WLOCK(inp); 3146163953Srrs if (inp->sctp_ep.local_hmacs) 3147163953Srrs sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 3148163953Srrs inp->sctp_ep.local_hmacs = hmaclist; 3149163953Srrs SCTP_INP_WUNLOCK(inp); 3150163953Srrs sctp_set_hmac_done: 3151163953Srrs break; 3152163953Srrs } 3153163953Srrs case SCTP_AUTH_ACTIVE_KEY: 3154163953Srrs { 3155163953Srrs struct sctp_authkeyid *scact; 3156163953Srrs 3157185694Srrs SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, 3158185694Srrs optsize); 3159166675Srrs SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 3160166675Srrs 3161163953Srrs /* set the active key on the right place */ 3162166675Srrs if (stcb) { 3163163953Srrs /* set the active key on the assoc */ 3164185694Srrs if (sctp_auth_setactivekey(stcb, 3165185694Srrs scact->scact_keynumber)) { 3166185694Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 3167185694Srrs SCTP_FROM_SCTP_USRREQ, 3168185694Srrs EINVAL); 3169163953Srrs error = EINVAL; 3170171943Srrs } 3171163953Srrs SCTP_TCB_UNLOCK(stcb); 3172163953Srrs } else { 3173163953Srrs /* set the active key on the endpoint */ 3174163953Srrs SCTP_INP_WLOCK(inp); 3175185694Srrs if (sctp_auth_setactivekey_ep(inp, 3176185694Srrs scact->scact_keynumber)) { 3177185694Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 3178185694Srrs SCTP_FROM_SCTP_USRREQ, 3179185694Srrs EINVAL); 3180163953Srrs error = EINVAL; 3181171943Srrs } 3182163953Srrs SCTP_INP_WUNLOCK(inp); 3183163953Srrs } 3184163953Srrs break; 3185163953Srrs } 3186163953Srrs case SCTP_AUTH_DELETE_KEY: 3187163953Srrs { 3188163953Srrs struct sctp_authkeyid *scdel; 3189163953Srrs 3190185694Srrs SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, 3191185694Srrs optsize); 3192166675Srrs SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 3193166675Srrs 3194163953Srrs /* delete the key from the right place */ 3195166675Srrs if (stcb) { 3196185694Srrs if (sctp_delete_sharedkey(stcb, 3197185694Srrs scdel->scact_keynumber)) { 3198185694Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 3199185694Srrs SCTP_FROM_SCTP_USRREQ, 3200185694Srrs EINVAL); 3201163953Srrs error = EINVAL; 3202171943Srrs } 3203163953Srrs SCTP_TCB_UNLOCK(stcb); 3204163953Srrs } else { 3205163953Srrs SCTP_INP_WLOCK(inp); 3206185694Srrs if (sctp_delete_sharedkey_ep(inp, 3207185694Srrs scdel->scact_keynumber)) { 3208185694Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 3209185694Srrs SCTP_FROM_SCTP_USRREQ, 3210185694Srrs EINVAL); 3211163953Srrs error = EINVAL; 3212171943Srrs } 3213163953Srrs SCTP_INP_WUNLOCK(inp); 3214163953Srrs } 3215163953Srrs break; 3216163953Srrs } 3217185694Srrs case SCTP_AUTH_DEACTIVATE_KEY: 3218185694Srrs { 3219185694Srrs struct sctp_authkeyid *keyid; 3220163953Srrs 3221185694Srrs SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, 3222185694Srrs optsize); 3223185694Srrs SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 3224185694Srrs 3225185694Srrs /* deactivate the key from the right place */ 3226185694Srrs if (stcb) { 3227185694Srrs if (sctp_deact_sharedkey(stcb, 3228185694Srrs keyid->scact_keynumber)) { 3229185694Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 3230185694Srrs SCTP_FROM_SCTP_USRREQ, 3231185694Srrs EINVAL); 3232185694Srrs error = EINVAL; 3233185694Srrs } 3234185694Srrs SCTP_TCB_UNLOCK(stcb); 3235185694Srrs } else { 3236185694Srrs SCTP_INP_WLOCK(inp); 3237185694Srrs if (sctp_deact_sharedkey_ep(inp, 3238185694Srrs keyid->scact_keynumber)) { 3239185694Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 3240185694Srrs SCTP_FROM_SCTP_USRREQ, 3241185694Srrs EINVAL); 3242185694Srrs error = EINVAL; 3243185694Srrs } 3244185694Srrs SCTP_INP_WUNLOCK(inp); 3245185694Srrs } 3246185694Srrs break; 3247185694Srrs } 3248185694Srrs 3249163953Srrs case SCTP_RESET_STREAMS: 3250163953Srrs { 3251163953Srrs struct sctp_stream_reset *strrst; 3252188854Srrs uint8_t send_in = 0, send_tsn = 0, send_out = 0, 3253188854Srrs addstream = 0; 3254188854Srrs uint16_t addstrmcnt = 0; 3255163953Srrs int i; 3256163953Srrs 3257166675Srrs SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_stream_reset, optsize); 3258166675Srrs SCTP_FIND_STCB(inp, stcb, strrst->strrst_assoc_id); 3259163953Srrs 3260163953Srrs if (stcb == NULL) { 3261171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 3262163953Srrs error = ENOENT; 3263163953Srrs break; 3264163953Srrs } 3265163953Srrs if (stcb->asoc.peer_supports_strreset == 0) { 3266163953Srrs /* 3267163953Srrs * Peer does not support it, we return 3268163953Srrs * protocol not supported since this is true 3269163953Srrs * for this feature and this peer, not the 3270163953Srrs * socket request in general. 3271163953Srrs */ 3272171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPROTONOSUPPORT); 3273163953Srrs error = EPROTONOSUPPORT; 3274163953Srrs SCTP_TCB_UNLOCK(stcb); 3275163953Srrs break; 3276163953Srrs } 3277163953Srrs if (stcb->asoc.stream_reset_outstanding) { 3278171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 3279163953Srrs error = EALREADY; 3280163953Srrs SCTP_TCB_UNLOCK(stcb); 3281163953Srrs break; 3282163953Srrs } 3283163953Srrs if (strrst->strrst_flags == SCTP_RESET_LOCAL_RECV) { 3284163953Srrs send_in = 1; 3285163953Srrs } else if (strrst->strrst_flags == SCTP_RESET_LOCAL_SEND) { 3286163953Srrs send_out = 1; 3287163953Srrs } else if (strrst->strrst_flags == SCTP_RESET_BOTH) { 3288163953Srrs send_in = 1; 3289163953Srrs send_out = 1; 3290163953Srrs } else if (strrst->strrst_flags == SCTP_RESET_TSN) { 3291163953Srrs send_tsn = 1; 3292188854Srrs } else if (strrst->strrst_flags == SCTP_RESET_ADD_STREAMS) { 3293188854Srrs if (send_tsn || 3294188854Srrs send_in || 3295188854Srrs send_out) { 3296188854Srrs /* We can't do that and add streams */ 3297188854Srrs error = EINVAL; 3298188854Srrs goto skip_stuff; 3299188854Srrs } 3300188854Srrs if (stcb->asoc.stream_reset_outstanding) { 3301188854Srrs error = EBUSY; 3302188854Srrs goto skip_stuff; 3303188854Srrs } 3304188854Srrs addstream = 1; 3305188854Srrs /* We allocate here */ 3306188854Srrs addstrmcnt = strrst->strrst_num_streams; 3307188854Srrs if ((int)(addstrmcnt + stcb->asoc.streamoutcnt) > 0xffff) { 3308188854Srrs /* You can't have more than 64k */ 3309188854Srrs error = EINVAL; 3310188854Srrs goto skip_stuff; 3311188854Srrs } 3312188854Srrs if ((stcb->asoc.strm_realoutsize - stcb->asoc.streamoutcnt) < addstrmcnt) { 3313188854Srrs /* Need to allocate more */ 3314188854Srrs struct sctp_stream_out *oldstream; 3315189121Srrs struct sctp_stream_queue_pending *sp; 3316189121Srrs int removed; 3317188854Srrs 3318188854Srrs oldstream = stcb->asoc.strmout; 3319188854Srrs /* get some more */ 3320188854Srrs SCTP_MALLOC(stcb->asoc.strmout, struct sctp_stream_out *, 3321188854Srrs ((stcb->asoc.streamoutcnt + addstrmcnt) * sizeof(struct sctp_stream_out)), 3322188854Srrs SCTP_M_STRMO); 3323188854Srrs if (stcb->asoc.strmout == NULL) { 3324188854Srrs stcb->asoc.strmout = oldstream; 3325188854Srrs error = ENOMEM; 3326188854Srrs goto skip_stuff; 3327188854Srrs } 3328188854Srrs /* 3329188854Srrs * Ok now we proceed with copying 3330188854Srrs * the old out stuff and 3331188854Srrs * initializing the new stuff. 3332188854Srrs */ 3333189121Srrs SCTP_TCB_SEND_LOCK(stcb); 3334189121Srrs for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 3335189121Srrs TAILQ_INIT(&stcb->asoc.strmout[i].outqueue); 3336189121Srrs stcb->asoc.strmout[i].next_sequence_sent = oldstream[i].next_sequence_sent; 3337189121Srrs stcb->asoc.strmout[i].last_msg_incomplete = oldstream[i].last_msg_incomplete; 3338189121Srrs stcb->asoc.strmout[i].stream_no = i; 3339189121Srrs if (oldstream[i].next_spoke.tqe_next) { 3340189121Srrs sctp_remove_from_wheel(stcb, &stcb->asoc, &oldstream[i], 1); 3341189121Srrs stcb->asoc.strmout[i].next_spoke.tqe_next = NULL; 3342189121Srrs stcb->asoc.strmout[i].next_spoke.tqe_prev = NULL; 3343189121Srrs removed = 1; 3344189121Srrs } else { 3345189121Srrs /* not on out wheel */ 3346189121Srrs stcb->asoc.strmout[i].next_spoke.tqe_next = NULL; 3347189121Srrs stcb->asoc.strmout[i].next_spoke.tqe_prev = NULL; 3348189121Srrs removed = 0; 3349189121Srrs } 3350189121Srrs /* 3351189121Srrs * now anything on those 3352189121Srrs * queues? 3353189121Srrs */ 3354189121Srrs while (TAILQ_EMPTY(&oldstream[i].outqueue) == 0) { 3355189121Srrs sp = TAILQ_FIRST(&oldstream[i].outqueue); 3356189121Srrs TAILQ_REMOVE(&oldstream[i].outqueue, sp, next); 3357189121Srrs TAILQ_INSERT_TAIL(&stcb->asoc.strmout[i].outqueue, sp, next); 3358189121Srrs } 3359189121Srrs /* Did we disrupt the wheel? */ 3360189121Srrs if (removed) { 3361189121Srrs sctp_insert_on_wheel(stcb, 3362189121Srrs &stcb->asoc, 3363189121Srrs &stcb->asoc.strmout[i], 3364189121Srrs 1); 3365189121Srrs } 3366189121Srrs /* 3367189121Srrs * Now move assoc pointers 3368189121Srrs * too 3369189121Srrs */ 3370189121Srrs if (stcb->asoc.last_out_stream == &oldstream[i]) { 3371189121Srrs stcb->asoc.last_out_stream = &stcb->asoc.strmout[i]; 3372189121Srrs } 3373189121Srrs if (stcb->asoc.locked_on_sending == &oldstream[i]) { 3374189121Srrs stcb->asoc.locked_on_sending = &stcb->asoc.strmout[i]; 3375189121Srrs } 3376189121Srrs } 3377188854Srrs /* now the new streams */ 3378188854Srrs for (i = stcb->asoc.streamoutcnt; i < (stcb->asoc.streamoutcnt + addstrmcnt); i++) { 3379188854Srrs stcb->asoc.strmout[i].next_sequence_sent = 0x0; 3380188854Srrs TAILQ_INIT(&stcb->asoc.strmout[i].outqueue); 3381188854Srrs stcb->asoc.strmout[i].stream_no = i; 3382188854Srrs stcb->asoc.strmout[i].last_msg_incomplete = 0; 3383189121Srrs stcb->asoc.strmout[i].next_spoke.tqe_next = NULL; 3384189121Srrs stcb->asoc.strmout[i].next_spoke.tqe_prev = NULL; 3385188854Srrs } 3386188854Srrs stcb->asoc.strm_realoutsize = stcb->asoc.streamoutcnt + addstrmcnt; 3387188854Srrs SCTP_FREE(oldstream, SCTP_M_STRMO); 3388188854Srrs } 3389189121Srrs SCTP_TCB_SEND_UNLOCK(stcb); 3390188854Srrs goto skip_stuff; 3391163953Srrs } else { 3392171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3393163953Srrs error = EINVAL; 3394163953Srrs SCTP_TCB_UNLOCK(stcb); 3395163953Srrs break; 3396163953Srrs } 3397163953Srrs for (i = 0; i < strrst->strrst_num_streams; i++) { 3398163953Srrs if ((send_in) && 3399163953Srrs 3400163953Srrs (strrst->strrst_list[i] > stcb->asoc.streamincnt)) { 3401171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3402163953Srrs error = EINVAL; 3403163953Srrs goto get_out; 3404163953Srrs } 3405163953Srrs if ((send_out) && 3406163953Srrs (strrst->strrst_list[i] > stcb->asoc.streamoutcnt)) { 3407171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3408163953Srrs error = EINVAL; 3409163953Srrs goto get_out; 3410163953Srrs } 3411163953Srrs } 3412188854Srrs skip_stuff: 3413163953Srrs if (error) { 3414163953Srrs get_out: 3415163953Srrs SCTP_TCB_UNLOCK(stcb); 3416163953Srrs break; 3417163953Srrs } 3418163953Srrs error = sctp_send_str_reset_req(stcb, strrst->strrst_num_streams, 3419163953Srrs strrst->strrst_list, 3420163953Srrs send_out, (stcb->asoc.str_reset_seq_in - 3), 3421188854Srrs send_in, send_tsn, addstream, addstrmcnt); 3422163953Srrs 3423172090Srrs sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 3424163953Srrs SCTP_TCB_UNLOCK(stcb); 3425163953Srrs } 3426163953Srrs break; 3427166675Srrs 3428163953Srrs case SCTP_CONNECT_X: 3429166675Srrs if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 3430171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3431163953Srrs error = EINVAL; 3432163953Srrs break; 3433163953Srrs } 3434166675Srrs error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 3435163953Srrs break; 3436163953Srrs 3437163953Srrs case SCTP_CONNECT_X_DELAYED: 3438166675Srrs if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 3439171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3440163953Srrs error = EINVAL; 3441163953Srrs break; 3442163953Srrs } 3443166675Srrs error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 3444163953Srrs break; 3445163953Srrs 3446163953Srrs case SCTP_CONNECT_X_COMPLETE: 3447163953Srrs { 3448163953Srrs struct sockaddr *sa; 3449163953Srrs struct sctp_nets *net; 3450163953Srrs 3451166675Srrs /* FIXME MT: check correct? */ 3452166675Srrs SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 3453166675Srrs 3454163953Srrs /* find tcb */ 3455163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 3456163953Srrs SCTP_INP_RLOCK(inp); 3457163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 3458163953Srrs if (stcb) { 3459163953Srrs SCTP_TCB_LOCK(stcb); 3460163953Srrs net = sctp_findnet(stcb, sa); 3461163953Srrs } 3462163953Srrs SCTP_INP_RUNLOCK(inp); 3463163953Srrs } else { 3464166675Srrs /* 3465166675Srrs * We increment here since 3466166675Srrs * sctp_findassociation_ep_addr() wil do a 3467166675Srrs * decrement if it finds the stcb as long as 3468166675Srrs * the locked tcb (last argument) is NOT a 3469166675Srrs * TCB.. aka NULL. 3470166675Srrs */ 3471163953Srrs SCTP_INP_INCR_REF(inp); 3472163953Srrs stcb = sctp_findassociation_ep_addr(&inp, sa, &net, NULL, NULL); 3473163953Srrs if (stcb == NULL) { 3474163953Srrs SCTP_INP_DECR_REF(inp); 3475163953Srrs } 3476163953Srrs } 3477163953Srrs 3478163953Srrs if (stcb == NULL) { 3479171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 3480163953Srrs error = ENOENT; 3481163953Srrs break; 3482163953Srrs } 3483163953Srrs if (stcb->asoc.delayed_connection == 1) { 3484163953Srrs stcb->asoc.delayed_connection = 0; 3485169378Srrs (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 3486165220Srrs sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 3487165220Srrs stcb->asoc.primary_destination, 3488165220Srrs SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 3489172090Srrs sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 3490163953Srrs } else { 3491163953Srrs /* 3492163953Srrs * already expired or did not use delayed 3493163953Srrs * connectx 3494163953Srrs */ 3495171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 3496163953Srrs error = EALREADY; 3497163953Srrs } 3498163953Srrs SCTP_TCB_UNLOCK(stcb); 3499163953Srrs } 3500163953Srrs break; 3501170056Srrs case SCTP_MAX_BURST: 3502163953Srrs { 3503163953Srrs uint8_t *burst; 3504163953Srrs 3505166675Srrs SCTP_CHECK_AND_CAST(burst, optval, uint8_t, optsize); 3506166675Srrs 3507163953Srrs SCTP_INP_WLOCK(inp); 3508163953Srrs if (*burst) { 3509163953Srrs inp->sctp_ep.max_burst = *burst; 3510163953Srrs } 3511163953Srrs SCTP_INP_WUNLOCK(inp); 3512163953Srrs } 3513163953Srrs break; 3514163953Srrs case SCTP_MAXSEG: 3515163953Srrs { 3516167598Srrs struct sctp_assoc_value *av; 3517163953Srrs int ovh; 3518163953Srrs 3519167598Srrs SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3520167598Srrs SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3521166675Srrs 3522170056Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3523170056Srrs ovh = SCTP_MED_OVERHEAD; 3524170056Srrs } else { 3525170056Srrs ovh = SCTP_MED_V4_OVERHEAD; 3526170056Srrs } 3527167598Srrs if (stcb) { 3528170056Srrs if (av->assoc_value) { 3529170056Srrs stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 3530170056Srrs } else { 3531170056Srrs stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 3532170056Srrs } 3533167598Srrs SCTP_TCB_UNLOCK(stcb); 3534163953Srrs } else { 3535167598Srrs SCTP_INP_WLOCK(inp); 3536167598Srrs /* 3537167598Srrs * FIXME MT: I think this is not in tune 3538167598Srrs * with the API ID 3539167598Srrs */ 3540167598Srrs if (av->assoc_value) { 3541167598Srrs inp->sctp_frag_point = (av->assoc_value + ovh); 3542167598Srrs } else { 3543170056Srrs inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 3544167598Srrs } 3545167598Srrs SCTP_INP_WUNLOCK(inp); 3546163953Srrs } 3547163953Srrs } 3548163953Srrs break; 3549163953Srrs case SCTP_EVENTS: 3550163953Srrs { 3551163953Srrs struct sctp_event_subscribe *events; 3552163953Srrs 3553166675Srrs SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 3554166675Srrs 3555163953Srrs SCTP_INP_WLOCK(inp); 3556163953Srrs if (events->sctp_data_io_event) { 3557163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 3558163953Srrs } else { 3559163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 3560163953Srrs } 3561163953Srrs 3562163953Srrs if (events->sctp_association_event) { 3563163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 3564163953Srrs } else { 3565163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 3566163953Srrs } 3567163953Srrs 3568163953Srrs if (events->sctp_address_event) { 3569163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 3570163953Srrs } else { 3571163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 3572163953Srrs } 3573163953Srrs 3574163953Srrs if (events->sctp_send_failure_event) { 3575163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 3576163953Srrs } else { 3577163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 3578163953Srrs } 3579163953Srrs 3580163953Srrs if (events->sctp_peer_error_event) { 3581163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 3582163953Srrs } else { 3583163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 3584163953Srrs } 3585163953Srrs 3586163953Srrs if (events->sctp_shutdown_event) { 3587163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 3588163953Srrs } else { 3589163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 3590163953Srrs } 3591163953Srrs 3592163953Srrs if (events->sctp_partial_delivery_event) { 3593163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 3594163953Srrs } else { 3595163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 3596163953Srrs } 3597163953Srrs 3598163953Srrs if (events->sctp_adaptation_layer_event) { 3599163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 3600163953Srrs } else { 3601163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 3602163953Srrs } 3603163953Srrs 3604163953Srrs if (events->sctp_authentication_event) { 3605163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 3606163953Srrs } else { 3607163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 3608163953Srrs } 3609163953Srrs 3610185694Srrs if (events->sctp_sender_dry_event) { 3611185694Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 3612188067Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3613188067Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3614188067Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 3615188067Srrs if (stcb) { 3616188067Srrs SCTP_TCB_LOCK(stcb); 3617188067Srrs } 3618188067Srrs if (stcb && 3619188067Srrs TAILQ_EMPTY(&stcb->asoc.send_queue) && 3620188067Srrs TAILQ_EMPTY(&stcb->asoc.sent_queue) && 3621188067Srrs (stcb->asoc.stream_queue_cnt == 0)) { 3622188067Srrs sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 3623188067Srrs } 3624188067Srrs if (stcb) { 3625188067Srrs SCTP_TCB_UNLOCK(stcb); 3626188067Srrs } 3627188067Srrs } 3628185694Srrs } else { 3629185694Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 3630185694Srrs } 3631185694Srrs 3632202520Srrs if (events->sctp_stream_reset_event) { 3633163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 3634163953Srrs } else { 3635163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 3636163953Srrs } 3637163953Srrs SCTP_INP_WUNLOCK(inp); 3638163953Srrs } 3639163953Srrs break; 3640163953Srrs 3641163953Srrs case SCTP_ADAPTATION_LAYER: 3642163953Srrs { 3643163953Srrs struct sctp_setadaptation *adap_bits; 3644163953Srrs 3645166675Srrs SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 3646163953Srrs SCTP_INP_WLOCK(inp); 3647163953Srrs inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 3648163953Srrs SCTP_INP_WUNLOCK(inp); 3649163953Srrs } 3650163953Srrs break; 3651166675Srrs#ifdef SCTP_DEBUG 3652163953Srrs case SCTP_SET_INITIAL_DBG_SEQ: 3653163953Srrs { 3654163953Srrs uint32_t *vvv; 3655163953Srrs 3656166675Srrs SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 3657163953Srrs SCTP_INP_WLOCK(inp); 3658163953Srrs inp->sctp_ep.initial_sequence_debug = *vvv; 3659163953Srrs SCTP_INP_WUNLOCK(inp); 3660163953Srrs } 3661163953Srrs break; 3662166675Srrs#endif 3663163953Srrs case SCTP_DEFAULT_SEND_PARAM: 3664163953Srrs { 3665163953Srrs struct sctp_sndrcvinfo *s_info; 3666163953Srrs 3667166675Srrs SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 3668166675Srrs SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 3669163953Srrs 3670166675Srrs if (stcb) { 3671166675Srrs if (s_info->sinfo_stream <= stcb->asoc.streamoutcnt) { 3672170056Srrs memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 3673163953Srrs } else { 3674171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3675166675Srrs error = EINVAL; 3676163953Srrs } 3677166675Srrs SCTP_TCB_UNLOCK(stcb); 3678166675Srrs } else { 3679166675Srrs SCTP_INP_WLOCK(inp); 3680170056Srrs memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 3681166675Srrs SCTP_INP_WUNLOCK(inp); 3682163953Srrs } 3683163953Srrs } 3684163953Srrs break; 3685163953Srrs case SCTP_PEER_ADDR_PARAMS: 3686163953Srrs /* Applys to the specific association */ 3687163953Srrs { 3688163953Srrs struct sctp_paddrparams *paddrp; 3689163953Srrs struct sctp_nets *net; 3690163953Srrs 3691166675Srrs SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 3692166675Srrs SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 3693163953Srrs net = NULL; 3694166675Srrs if (stcb) { 3695166675Srrs net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 3696166675Srrs } else { 3697166675Srrs /* 3698166675Srrs * We increment here since 3699166675Srrs * sctp_findassociation_ep_addr() wil do a 3700166675Srrs * decrement if it finds the stcb as long as 3701166675Srrs * the locked tcb (last argument) is NOT a 3702166675Srrs * TCB.. aka NULL. 3703166675Srrs */ 3704166675Srrs SCTP_INP_INCR_REF(inp); 3705166675Srrs stcb = sctp_findassociation_ep_addr(&inp, 3706166675Srrs (struct sockaddr *)&paddrp->spp_address, 3707166675Srrs &net, NULL, NULL); 3708163953Srrs if (stcb == NULL) { 3709166675Srrs SCTP_INP_DECR_REF(inp); 3710163953Srrs } 3711163953Srrs } 3712171943Srrs if (stcb && (net == NULL)) { 3713171943Srrs struct sockaddr *sa; 3714171943Srrs 3715171943Srrs sa = (struct sockaddr *)&paddrp->spp_address; 3716171943Srrs if (sa->sa_family == AF_INET) { 3717171943Srrs struct sockaddr_in *sin; 3718171943Srrs 3719171943Srrs sin = (struct sockaddr_in *)sa; 3720171943Srrs if (sin->sin_addr.s_addr) { 3721171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3722171943Srrs SCTP_TCB_UNLOCK(stcb); 3723171943Srrs error = EINVAL; 3724171943Srrs break; 3725171943Srrs } 3726171943Srrs } else if (sa->sa_family == AF_INET6) { 3727171943Srrs struct sockaddr_in6 *sin6; 3728171943Srrs 3729171943Srrs sin6 = (struct sockaddr_in6 *)sa; 3730171943Srrs if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3731171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3732171943Srrs SCTP_TCB_UNLOCK(stcb); 3733171943Srrs error = EINVAL; 3734171943Srrs break; 3735171943Srrs } 3736171943Srrs } else { 3737171943Srrs error = EAFNOSUPPORT; 3738171943Srrs SCTP_TCB_UNLOCK(stcb); 3739171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3740171943Srrs break; 3741171943Srrs } 3742171943Srrs } 3743170056Srrs /* sanity checks */ 3744170056Srrs if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 3745170056Srrs if (stcb) 3746170056Srrs SCTP_TCB_UNLOCK(stcb); 3747171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3748170056Srrs return (EINVAL); 3749170056Srrs } 3750170056Srrs if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 3751170056Srrs if (stcb) 3752170056Srrs SCTP_TCB_UNLOCK(stcb); 3753171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3754170056Srrs return (EINVAL); 3755170056Srrs } 3756163953Srrs if (stcb) { 3757163953Srrs /************************TCB SPECIFIC SET ******************/ 3758163953Srrs /* 3759163953Srrs * do we change the timer for HB, we run 3760163953Srrs * only one? 3761163953Srrs */ 3762170056Srrs int ovh = 0; 3763170056Srrs 3764170056Srrs if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3765170056Srrs ovh = SCTP_MED_OVERHEAD; 3766170056Srrs } else { 3767170056Srrs ovh = SCTP_MED_V4_OVERHEAD; 3768170056Srrs } 3769170056Srrs 3770163953Srrs if (paddrp->spp_hbinterval) 3771163953Srrs stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 3772163953Srrs else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 3773163953Srrs stcb->asoc.heart_beat_delay = 0; 3774163953Srrs 3775163953Srrs /* network sets ? */ 3776163953Srrs if (net) { 3777163953Srrs /************************NET SPECIFIC SET ******************/ 3778163953Srrs if (paddrp->spp_flags & SPP_HB_DEMAND) { 3779163953Srrs /* on demand HB */ 3780171440Srrs if (sctp_send_hb(stcb, 1, net) < 0) { 3781171440Srrs /* asoc destroyed */ 3782171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3783171440Srrs error = EINVAL; 3784171440Srrs break; 3785171440Srrs } 3786163953Srrs } 3787163953Srrs if (paddrp->spp_flags & SPP_HB_DISABLE) { 3788163953Srrs net->dest_state |= SCTP_ADDR_NOHB; 3789163953Srrs } 3790163953Srrs if (paddrp->spp_flags & SPP_HB_ENABLE) { 3791163953Srrs net->dest_state &= ~SCTP_ADDR_NOHB; 3792163953Srrs } 3793170056Srrs if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 3794165647Srrs if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 3795165220Srrs sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 3796165220Srrs SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 3797163953Srrs } 3798163953Srrs if (paddrp->spp_pathmtu > SCTP_DEFAULT_MINSEGMENT) { 3799170056Srrs net->mtu = paddrp->spp_pathmtu + ovh; 3800169352Srrs if (net->mtu < stcb->asoc.smallest_mtu) { 3801167695Srrs sctp_pathmtu_adjustment(inp, stcb, net, net->mtu); 3802169352Srrs } 3803163953Srrs } 3804163953Srrs } 3805163953Srrs if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 3806165647Srrs if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 3807163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 3808163953Srrs } 3809163953Srrs } 3810163953Srrs if (paddrp->spp_pathmaxrxt) 3811163953Srrs net->failure_threshold = paddrp->spp_pathmaxrxt; 3812167598Srrs#ifdef INET 3813163953Srrs if (paddrp->spp_flags & SPP_IPV4_TOS) { 3814163953Srrs if (net->ro._l_addr.sin.sin_family == AF_INET) { 3815163953Srrs net->tos_flowlabel = paddrp->spp_ipv4_tos & 0x000000fc; 3816163953Srrs } 3817163953Srrs } 3818163953Srrs#endif 3819167598Srrs#ifdef INET6 3820163953Srrs if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 3821163953Srrs if (net->ro._l_addr.sin6.sin6_family == AF_INET6) { 3822163953Srrs net->tos_flowlabel = paddrp->spp_ipv6_flowlabel; 3823163953Srrs } 3824163953Srrs } 3825163953Srrs#endif 3826163953Srrs } else { 3827163953Srrs /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 3828163953Srrs if (paddrp->spp_pathmaxrxt) 3829163953Srrs stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 3830163953Srrs 3831163953Srrs if (paddrp->spp_flags & SPP_HB_ENABLE) { 3832163953Srrs /* Turn back on the timer */ 3833163953Srrs stcb->asoc.hb_is_disabled = 0; 3834163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 3835163953Srrs } 3836170056Srrs if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 3837170056Srrs TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3838170056Srrs if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 3839170056Srrs sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 3840170056Srrs SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 3841170056Srrs } 3842170056Srrs if (paddrp->spp_pathmtu > SCTP_DEFAULT_MINSEGMENT) { 3843170056Srrs net->mtu = paddrp->spp_pathmtu + ovh; 3844170056Srrs if (net->mtu < stcb->asoc.smallest_mtu) { 3845170056Srrs sctp_pathmtu_adjustment(inp, stcb, net, net->mtu); 3846170056Srrs } 3847170056Srrs } 3848170056Srrs } 3849170056Srrs } 3850170056Srrs if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 3851170056Srrs TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3852170056Srrs if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 3853170056Srrs sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 3854170056Srrs } 3855170056Srrs } 3856170056Srrs } 3857163953Srrs if (paddrp->spp_flags & SPP_HB_DISABLE) { 3858163953Srrs int cnt_of_unconf = 0; 3859163953Srrs struct sctp_nets *lnet; 3860163953Srrs 3861163953Srrs stcb->asoc.hb_is_disabled = 1; 3862163953Srrs TAILQ_FOREACH(lnet, &stcb->asoc.nets, sctp_next) { 3863163953Srrs if (lnet->dest_state & SCTP_ADDR_UNCONFIRMED) { 3864163953Srrs cnt_of_unconf++; 3865163953Srrs } 3866163953Srrs } 3867163953Srrs /* 3868163953Srrs * stop the timer ONLY if we 3869163953Srrs * have no unconfirmed 3870163953Srrs * addresses 3871163953Srrs */ 3872163953Srrs if (cnt_of_unconf == 0) { 3873170056Srrs TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3874170056Srrs sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 3875170056Srrs SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 3876170056Srrs } 3877163953Srrs } 3878163953Srrs } 3879163953Srrs if (paddrp->spp_flags & SPP_HB_ENABLE) { 3880163953Srrs /* start up the timer. */ 3881170056Srrs TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3882170056Srrs sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 3883170056Srrs } 3884163953Srrs } 3885167598Srrs#ifdef INET 3886163953Srrs if (paddrp->spp_flags & SPP_IPV4_TOS) 3887163953Srrs stcb->asoc.default_tos = paddrp->spp_ipv4_tos & 0x000000fc; 3888163953Srrs#endif 3889167598Srrs#ifdef INET6 3890163953Srrs if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) 3891163953Srrs stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel; 3892163953Srrs#endif 3893163953Srrs 3894163953Srrs } 3895163953Srrs SCTP_TCB_UNLOCK(stcb); 3896163953Srrs } else { 3897163953Srrs /************************NO TCB, SET TO default stuff ******************/ 3898163953Srrs SCTP_INP_WLOCK(inp); 3899163953Srrs /* 3900163953Srrs * For the TOS/FLOWLABEL stuff you set it 3901163953Srrs * with the options on the socket 3902163953Srrs */ 3903163953Srrs if (paddrp->spp_pathmaxrxt) { 3904163953Srrs inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 3905163953Srrs } 3906170056Srrs if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 3907170056Srrs inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 3908171477Srrs else if (paddrp->spp_hbinterval) { 3909171477Srrs if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 3910171477Srrs paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 3911170056Srrs inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 3912171477Srrs } 3913163953Srrs if (paddrp->spp_flags & SPP_HB_ENABLE) { 3914163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 3915170056Srrs 3916163953Srrs } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 3917163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 3918163953Srrs } 3919163953Srrs SCTP_INP_WUNLOCK(inp); 3920163953Srrs } 3921163953Srrs } 3922163953Srrs break; 3923163953Srrs case SCTP_RTOINFO: 3924163953Srrs { 3925163953Srrs struct sctp_rtoinfo *srto; 3926169655Srrs uint32_t new_init, new_min, new_max; 3927163953Srrs 3928166675Srrs SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 3929166675Srrs SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 3930166675Srrs 3931166675Srrs if (stcb) { 3932167598Srrs if (srto->srto_initial) 3933169655Srrs new_init = srto->srto_initial; 3934169655Srrs else 3935169655Srrs new_init = stcb->asoc.initial_rto; 3936167598Srrs if (srto->srto_max) 3937169655Srrs new_max = srto->srto_max; 3938169655Srrs else 3939169655Srrs new_max = stcb->asoc.maxrto; 3940167598Srrs if (srto->srto_min) 3941169655Srrs new_min = srto->srto_min; 3942169655Srrs else 3943169655Srrs new_min = stcb->asoc.minrto; 3944169655Srrs if ((new_min <= new_init) && (new_init <= new_max)) { 3945169655Srrs stcb->asoc.initial_rto = new_init; 3946169655Srrs stcb->asoc.maxrto = new_max; 3947169655Srrs stcb->asoc.minrto = new_min; 3948169655Srrs } else { 3949179783Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3950179783Srrs error = EINVAL; 3951169655Srrs } 3952166675Srrs SCTP_TCB_UNLOCK(stcb); 3953166675Srrs } else { 3954163953Srrs SCTP_INP_WLOCK(inp); 3955167598Srrs if (srto->srto_initial) 3956169655Srrs new_init = srto->srto_initial; 3957169655Srrs else 3958169655Srrs new_init = inp->sctp_ep.initial_rto; 3959167598Srrs if (srto->srto_max) 3960169655Srrs new_max = srto->srto_max; 3961169655Srrs else 3962169655Srrs new_max = inp->sctp_ep.sctp_maxrto; 3963167598Srrs if (srto->srto_min) 3964169655Srrs new_min = srto->srto_min; 3965169655Srrs else 3966169655Srrs new_min = inp->sctp_ep.sctp_minrto; 3967169655Srrs if ((new_min <= new_init) && (new_init <= new_max)) { 3968169655Srrs inp->sctp_ep.initial_rto = new_init; 3969169655Srrs inp->sctp_ep.sctp_maxrto = new_max; 3970169655Srrs inp->sctp_ep.sctp_minrto = new_min; 3971169655Srrs } else { 3972179783Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3973179783Srrs error = EINVAL; 3974169655Srrs } 3975163953Srrs SCTP_INP_WUNLOCK(inp); 3976163953Srrs } 3977163953Srrs } 3978163953Srrs break; 3979163953Srrs case SCTP_ASSOCINFO: 3980163953Srrs { 3981163953Srrs struct sctp_assocparams *sasoc; 3982163953Srrs 3983166675Srrs SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 3984166675Srrs SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 3985171477Srrs if (sasoc->sasoc_cookie_life) { 3986171477Srrs /* boundary check the cookie life */ 3987171477Srrs if (sasoc->sasoc_cookie_life < 1000) 3988171477Srrs sasoc->sasoc_cookie_life = 1000; 3989171477Srrs if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 3990171477Srrs sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 3991171477Srrs } 3992171477Srrs } 3993163953Srrs if (stcb) { 3994163953Srrs if (sasoc->sasoc_asocmaxrxt) 3995163953Srrs stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 3996163953Srrs sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 3997163953Srrs sasoc->sasoc_peer_rwnd = 0; 3998163953Srrs sasoc->sasoc_local_rwnd = 0; 3999170056Srrs if (sasoc->sasoc_cookie_life) { 4000171572Srrs stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 4001167598Srrs } 4002163953Srrs SCTP_TCB_UNLOCK(stcb); 4003163953Srrs } else { 4004163953Srrs SCTP_INP_WLOCK(inp); 4005163953Srrs if (sasoc->sasoc_asocmaxrxt) 4006163953Srrs inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 4007163953Srrs sasoc->sasoc_number_peer_destinations = 0; 4008163953Srrs sasoc->sasoc_peer_rwnd = 0; 4009163953Srrs sasoc->sasoc_local_rwnd = 0; 4010170056Srrs if (sasoc->sasoc_cookie_life) { 4011169655Srrs inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 4012167598Srrs } 4013163953Srrs SCTP_INP_WUNLOCK(inp); 4014163953Srrs } 4015163953Srrs } 4016163953Srrs break; 4017163953Srrs case SCTP_INITMSG: 4018163953Srrs { 4019163953Srrs struct sctp_initmsg *sinit; 4020163953Srrs 4021166675Srrs SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 4022163953Srrs SCTP_INP_WLOCK(inp); 4023163953Srrs if (sinit->sinit_num_ostreams) 4024163953Srrs inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 4025163953Srrs 4026163953Srrs if (sinit->sinit_max_instreams) 4027163953Srrs inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 4028163953Srrs 4029163953Srrs if (sinit->sinit_max_attempts) 4030163953Srrs inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 4031163953Srrs 4032167598Srrs if (sinit->sinit_max_init_timeo) 4033163953Srrs inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 4034163953Srrs SCTP_INP_WUNLOCK(inp); 4035163953Srrs } 4036163953Srrs break; 4037163953Srrs case SCTP_PRIMARY_ADDR: 4038163953Srrs { 4039163953Srrs struct sctp_setprim *spa; 4040163953Srrs struct sctp_nets *net, *lnet; 4041163953Srrs 4042166675Srrs SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 4043166675Srrs SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 4044163953Srrs 4045166675Srrs net = NULL; 4046166675Srrs if (stcb) { 4047166675Srrs net = sctp_findnet(stcb, (struct sockaddr *)&spa->ssp_addr); 4048166675Srrs } else { 4049166675Srrs /* 4050166675Srrs * We increment here since 4051166675Srrs * sctp_findassociation_ep_addr() wil do a 4052166675Srrs * decrement if it finds the stcb as long as 4053166675Srrs * the locked tcb (last argument) is NOT a 4054166675Srrs * TCB.. aka NULL. 4055166675Srrs */ 4056163953Srrs SCTP_INP_INCR_REF(inp); 4057163953Srrs stcb = sctp_findassociation_ep_addr(&inp, 4058163953Srrs (struct sockaddr *)&spa->ssp_addr, 4059163953Srrs &net, NULL, NULL); 4060163953Srrs if (stcb == NULL) { 4061163953Srrs SCTP_INP_DECR_REF(inp); 4062163953Srrs } 4063163953Srrs } 4064166675Srrs 4065166675Srrs if ((stcb) && (net)) { 4066166675Srrs if ((net != stcb->asoc.primary_destination) && 4067166675Srrs (!(net->dest_state & SCTP_ADDR_UNCONFIRMED))) { 4068166675Srrs /* Ok we need to set it */ 4069166675Srrs lnet = stcb->asoc.primary_destination; 4070166675Srrs if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 4071166675Srrs if (net->dest_state & SCTP_ADDR_SWITCH_PRIMARY) { 4072166675Srrs net->dest_state |= SCTP_ADDR_DOUBLE_SWITCH; 4073166675Srrs } 4074166675Srrs net->dest_state |= SCTP_ADDR_SWITCH_PRIMARY; 4075163953Srrs } 4076163953Srrs } 4077166675Srrs } else { 4078171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4079166675Srrs error = EINVAL; 4080163953Srrs } 4081166675Srrs if (stcb) { 4082166675Srrs SCTP_TCB_UNLOCK(stcb); 4083166675Srrs } 4084163953Srrs } 4085163953Srrs break; 4086167598Srrs case SCTP_SET_DYNAMIC_PRIMARY: 4087167598Srrs { 4088167598Srrs union sctp_sockstore *ss; 4089163953Srrs 4090170587Srwatson error = priv_check(curthread, 4091170587Srwatson PRIV_NETINET_RESERVEDPORT); 4092167598Srrs if (error) 4093167598Srrs break; 4094167598Srrs 4095167598Srrs SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 4096167598Srrs /* SUPER USER CHECK? */ 4097167598Srrs error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 4098167598Srrs } 4099167598Srrs break; 4100163953Srrs case SCTP_SET_PEER_PRIMARY_ADDR: 4101163953Srrs { 4102163953Srrs struct sctp_setpeerprim *sspp; 4103163953Srrs 4104166675Srrs SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 4105166675Srrs SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 4106169208Srrs if (stcb != NULL) { 4107170056Srrs struct sctp_ifa *ifa; 4108170056Srrs 4109170056Srrs ifa = sctp_find_ifa_by_addr((struct sockaddr *)&sspp->sspp_addr, 4110172091Srrs stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 4111170056Srrs if (ifa == NULL) { 4112171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4113166675Srrs error = EINVAL; 4114170056Srrs goto out_of_it; 4115166675Srrs } 4116170056Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 4117170056Srrs /* 4118170056Srrs * Must validate the ifa found is in 4119170056Srrs * our ep 4120170056Srrs */ 4121170056Srrs struct sctp_laddr *laddr; 4122170056Srrs int found = 0; 4123170056Srrs 4124170056Srrs LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 4125170056Srrs if (laddr->ifa == NULL) { 4126170056Srrs SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 4127170056Srrs __FUNCTION__); 4128170056Srrs continue; 4129170056Srrs } 4130170056Srrs if (laddr->ifa == ifa) { 4131170056Srrs found = 1; 4132170056Srrs break; 4133170056Srrs } 4134170056Srrs } 4135170056Srrs if (!found) { 4136171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4137170056Srrs error = EINVAL; 4138170056Srrs goto out_of_it; 4139170056Srrs } 4140170056Srrs } 4141170056Srrs if (sctp_set_primary_ip_address_sa(stcb, 4142170056Srrs (struct sockaddr *)&sspp->sspp_addr) != 0) { 4143171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4144170056Srrs error = EINVAL; 4145170056Srrs } 4146170056Srrs out_of_it: 4147169208Srrs SCTP_TCB_UNLOCK(stcb); 4148166675Srrs } else { 4149171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4150163953Srrs error = EINVAL; 4151163953Srrs } 4152169208Srrs 4153163953Srrs } 4154163953Srrs break; 4155163953Srrs case SCTP_BINDX_ADD_ADDR: 4156163953Srrs { 4157163953Srrs struct sctp_getaddresses *addrs; 4158171531Srrs size_t sz; 4159171477Srrs struct thread *td; 4160163953Srrs 4161171477Srrs td = (struct thread *)p; 4162170606Srrs SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 4163170606Srrs optsize); 4164171477Srrs if (addrs->addr->sa_family == AF_INET) { 4165171477Srrs sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in); 4166171477Srrs if (optsize < sz) { 4167171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4168171477Srrs error = EINVAL; 4169171477Srrs break; 4170171477Srrs } 4171188590Srrs if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 4172188590Srrs SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 4173185435Sbz break; 4174171477Srrs } 4175185435Sbz#ifdef INET6 4176171477Srrs } else if (addrs->addr->sa_family == AF_INET6) { 4177171477Srrs sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6); 4178171477Srrs if (optsize < sz) { 4179171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4180171477Srrs error = EINVAL; 4181171477Srrs break; 4182171477Srrs } 4183188590Srrs if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 4184188590Srrs (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 4185188590Srrs SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 4186185435Sbz break; 4187185435Sbz } 4188185435Sbz#endif 4189185435Sbz } else { 4190185435Sbz error = EAFNOSUPPORT; 4191185435Sbz break; 4192171477Srrs } 4193170606Srrs sctp_bindx_add_address(so, inp, addrs->addr, 4194170606Srrs addrs->sget_assoc_id, vrf_id, 4195170606Srrs &error, p); 4196163953Srrs } 4197163953Srrs break; 4198163953Srrs case SCTP_BINDX_REM_ADDR: 4199163953Srrs { 4200163953Srrs struct sctp_getaddresses *addrs; 4201171531Srrs size_t sz; 4202171477Srrs struct thread *td; 4203163953Srrs 4204171477Srrs td = (struct thread *)p; 4205185435Sbz 4206166675Srrs SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 4207171477Srrs if (addrs->addr->sa_family == AF_INET) { 4208171477Srrs sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in); 4209171477Srrs if (optsize < sz) { 4210171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4211171477Srrs error = EINVAL; 4212171477Srrs break; 4213171477Srrs } 4214188590Srrs if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 4215188590Srrs SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 4216185435Sbz break; 4217171477Srrs } 4218185435Sbz#ifdef INET6 4219171477Srrs } else if (addrs->addr->sa_family == AF_INET6) { 4220171477Srrs sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6); 4221171477Srrs if (optsize < sz) { 4222171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4223171477Srrs error = EINVAL; 4224171477Srrs break; 4225171477Srrs } 4226188590Srrs if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 4227188590Srrs (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 4228188590Srrs SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 4229185435Sbz break; 4230185435Sbz } 4231185435Sbz#endif 4232185435Sbz } else { 4233185435Sbz error = EAFNOSUPPORT; 4234185435Sbz break; 4235171477Srrs } 4236170606Srrs sctp_bindx_delete_address(so, inp, addrs->addr, 4237170606Srrs addrs->sget_assoc_id, vrf_id, 4238170606Srrs &error); 4239163953Srrs } 4240163953Srrs break; 4241163953Srrs default: 4242171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 4243163953Srrs error = ENOPROTOOPT; 4244163953Srrs break; 4245163953Srrs } /* end switch (opt) */ 4246163953Srrs return (error); 4247163953Srrs} 4248163953Srrs 4249163953Srrsint 4250163953Srrssctp_ctloutput(struct socket *so, struct sockopt *sopt) 4251163953Srrs{ 4252166675Srrs void *optval = NULL; 4253166675Srrs size_t optsize = 0; 4254163953Srrs struct sctp_inpcb *inp; 4255166675Srrs void *p; 4256166675Srrs int error = 0; 4257163953Srrs 4258163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 4259163953Srrs if (inp == 0) { 4260163953Srrs /* I made the same as TCP since we are not setup? */ 4261171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4262163953Srrs return (ECONNRESET); 4263163953Srrs } 4264163953Srrs if (sopt->sopt_level != IPPROTO_SCTP) { 4265163953Srrs /* wrong proto level... send back up to IP */ 4266163953Srrs#ifdef INET6 4267163953Srrs if (INP_CHECK_SOCKAF(so, AF_INET6)) 4268163953Srrs error = ip6_ctloutput(so, sopt); 4269163953Srrs else 4270163953Srrs#endif /* INET6 */ 4271163953Srrs error = ip_ctloutput(so, sopt); 4272163953Srrs return (error); 4273163953Srrs } 4274166675Srrs optsize = sopt->sopt_valsize; 4275166675Srrs if (optsize) { 4276170091Srrs SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 4277166675Srrs if (optval == NULL) { 4278171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 4279163953Srrs return (ENOBUFS); 4280163953Srrs } 4281166675Srrs error = sooptcopyin(sopt, optval, optsize, optsize); 4282163953Srrs if (error) { 4283170091Srrs SCTP_FREE(optval, SCTP_M_SOCKOPT); 4284163953Srrs goto out; 4285163953Srrs } 4286163953Srrs } 4287166675Srrs p = (void *)sopt->sopt_td; 4288163953Srrs if (sopt->sopt_dir == SOPT_SET) { 4289166675Srrs error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 4290163953Srrs } else if (sopt->sopt_dir == SOPT_GET) { 4291166675Srrs error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 4292163953Srrs } else { 4293171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4294163953Srrs error = EINVAL; 4295163953Srrs } 4296166675Srrs if ((error == 0) && (optval != NULL)) { 4297166675Srrs error = sooptcopyout(sopt, optval, optsize); 4298170091Srrs SCTP_FREE(optval, SCTP_M_SOCKOPT); 4299166675Srrs } else if (optval != NULL) { 4300170091Srrs SCTP_FREE(optval, SCTP_M_SOCKOPT); 4301163953Srrs } 4302163953Srrsout: 4303163953Srrs return (error); 4304163953Srrs} 4305163953Srrs 4306163953Srrs 4307163953Srrsstatic int 4308163953Srrssctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 4309163953Srrs{ 4310163953Srrs int error = 0; 4311163953Srrs int create_lock_on = 0; 4312167598Srrs uint32_t vrf_id; 4313163953Srrs struct sctp_inpcb *inp; 4314163953Srrs struct sctp_tcb *stcb = NULL; 4315163953Srrs 4316163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 4317163953Srrs if (inp == 0) { 4318163953Srrs /* I made the same as TCP since we are not setup? */ 4319171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4320163953Srrs return (ECONNRESET); 4321163953Srrs } 4322171943Srrs if (addr == NULL) { 4323171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4324170056Srrs return EINVAL; 4325171943Srrs } 4326185435Sbz#ifdef INET6 4327185435Sbz if (addr->sa_family == AF_INET6) { 4328185435Sbz struct sockaddr_in6 *sin6p; 4329185694Srrs 4330185435Sbz if (addr->sa_len != sizeof(struct sockaddr_in6)) { 4331185435Sbz SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4332185435Sbz return (EINVAL); 4333185435Sbz } 4334185435Sbz sin6p = (struct sockaddr_in6 *)addr; 4335188590Srrs if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 4336188590Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4337188590Srrs return (error); 4338185435Sbz } 4339185435Sbz } else 4340185435Sbz#endif 4341185435Sbz if (addr->sa_family == AF_INET) { 4342185435Sbz struct sockaddr_in *sinp; 4343185694Srrs 4344185435Sbz if (addr->sa_len != sizeof(struct sockaddr_in)) { 4345185435Sbz SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4346185435Sbz return (EINVAL); 4347185435Sbz } 4348185435Sbz sinp = (struct sockaddr_in *)addr; 4349188590Srrs if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 4350188590Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4351188590Srrs return (error); 4352185435Sbz } 4353185435Sbz } else { 4354185435Sbz SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 4355185435Sbz return (EAFNOSUPPORT); 4356170056Srrs } 4357178202Srrs SCTP_INP_INCR_REF(inp); 4358163953Srrs SCTP_ASOC_CREATE_LOCK(inp); 4359163953Srrs create_lock_on = 1; 4360163953Srrs 4361178202Srrs 4362163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 4363163953Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 4364163953Srrs /* Should I really unlock ? */ 4365171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 4366163953Srrs error = EFAULT; 4367163953Srrs goto out_now; 4368163953Srrs } 4369163953Srrs#ifdef INET6 4370163953Srrs if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 4371163953Srrs (addr->sa_family == AF_INET6)) { 4372171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4373163953Srrs error = EINVAL; 4374163953Srrs goto out_now; 4375163953Srrs } 4376163953Srrs#endif /* INET6 */ 4377163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 4378163953Srrs SCTP_PCB_FLAGS_UNBOUND) { 4379163953Srrs /* Bind a ephemeral port */ 4380171572Srrs error = sctp_inpcb_bind(so, NULL, NULL, p); 4381163953Srrs if (error) { 4382163953Srrs goto out_now; 4383163953Srrs } 4384163953Srrs } 4385163953Srrs /* Now do we connect? */ 4386181054Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 4387181054Srrs (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 4388171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4389163953Srrs error = EINVAL; 4390163953Srrs goto out_now; 4391163953Srrs } 4392163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 4393163953Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 4394163953Srrs /* We are already connected AND the TCP model */ 4395171943Srrs SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 4396163953Srrs error = EADDRINUSE; 4397163953Srrs goto out_now; 4398163953Srrs } 4399163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4400163953Srrs SCTP_INP_RLOCK(inp); 4401163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 4402163953Srrs SCTP_INP_RUNLOCK(inp); 4403163953Srrs } else { 4404163953Srrs /* 4405166675Srrs * We increment here since sctp_findassociation_ep_addr() 4406181054Srrs * will do a decrement if it finds the stcb as long as the 4407166675Srrs * locked tcb (last argument) is NOT a TCB.. aka NULL. 4408163953Srrs */ 4409163953Srrs SCTP_INP_INCR_REF(inp); 4410163953Srrs stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 4411163953Srrs if (stcb == NULL) { 4412163953Srrs SCTP_INP_DECR_REF(inp); 4413168299Srrs } else { 4414178202Srrs SCTP_TCB_UNLOCK(stcb); 4415163953Srrs } 4416163953Srrs } 4417163953Srrs if (stcb != NULL) { 4418163953Srrs /* Already have or am bring up an association */ 4419171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4420163953Srrs error = EALREADY; 4421163953Srrs goto out_now; 4422163953Srrs } 4423168299Srrs vrf_id = inp->def_vrf_id; 4424163953Srrs /* We are GOOD to go */ 4425206137Stuexen stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, p); 4426163953Srrs if (stcb == NULL) { 4427163953Srrs /* Gak! no memory */ 4428167598Srrs goto out_now; 4429163953Srrs } 4430163953Srrs if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 4431163953Srrs stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 4432163953Srrs /* Set the connected flag so we can queue data */ 4433204096Stuexen SOCKBUF_LOCK(&so->so_rcv); 4434204096Stuexen so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 4435204096Stuexen SOCKBUF_UNLOCK(&so->so_rcv); 4436204096Stuexen SOCKBUF_LOCK(&so->so_snd); 4437204096Stuexen so->so_snd.sb_state &= ~SBS_CANTSENDMORE; 4438204096Stuexen SOCKBUF_UNLOCK(&so->so_snd); 4439204096Stuexen SOCK_LOCK(so); 4440204096Stuexen so->so_state &= ~SS_ISDISCONNECTING; 4441204096Stuexen SOCK_UNLOCK(so); 4442163953Srrs soisconnecting(so); 4443163953Srrs } 4444171943Srrs SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 4445169378Srrs (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4446163953Srrs 4447163953Srrs /* initialize authentication parameters for the assoc */ 4448163953Srrs sctp_initialize_auth_params(inp, stcb); 4449163953Srrs 4450172090Srrs sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4451168299Srrs SCTP_TCB_UNLOCK(stcb); 4452163953Srrsout_now: 4453169420Srrs if (create_lock_on) { 4454163953Srrs SCTP_ASOC_CREATE_UNLOCK(inp); 4455169420Srrs } 4456163953Srrs SCTP_INP_DECR_REF(inp); 4457163953Srrs return error; 4458163953Srrs} 4459163953Srrs 4460163953Srrsint 4461163953Srrssctp_listen(struct socket *so, int backlog, struct thread *p) 4462163953Srrs{ 4463163953Srrs /* 4464163953Srrs * Note this module depends on the protocol processing being called 4465163953Srrs * AFTER any socket level flags and backlog are applied to the 4466163953Srrs * socket. The traditional way that the socket flags are applied is 4467163953Srrs * AFTER protocol processing. We have made a change to the 4468163953Srrs * sys/kern/uipc_socket.c module to reverse this but this MUST be in 4469163953Srrs * place if the socket API for SCTP is to work properly. 4470163953Srrs */ 4471163953Srrs 4472163953Srrs int error = 0; 4473163953Srrs struct sctp_inpcb *inp; 4474163953Srrs 4475163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 4476163953Srrs if (inp == 0) { 4477163953Srrs /* I made the same as TCP since we are not setup? */ 4478171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4479163953Srrs return (ECONNRESET); 4480163953Srrs } 4481181054Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 4482181054Srrs /* See if we have a listener */ 4483181054Srrs struct sctp_inpcb *tinp; 4484181054Srrs union sctp_sockstore store, *sp; 4485181054Srrs 4486181054Srrs sp = &store; 4487181054Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 4488181054Srrs /* not bound all */ 4489181054Srrs struct sctp_laddr *laddr; 4490181054Srrs 4491181054Srrs LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 4492181054Srrs memcpy(&store, &laddr->ifa->address, sizeof(store)); 4493181054Srrs sp->sin.sin_port = inp->sctp_lport; 4494181054Srrs tinp = sctp_pcb_findep(&sp->sa, 0, 0, inp->def_vrf_id); 4495181054Srrs if (tinp && (tinp != inp) && 4496181054Srrs ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 4497181054Srrs ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 4498181054Srrs (tinp->sctp_socket->so_qlimit)) { 4499181054Srrs /* 4500181054Srrs * we have a listener already and 4501181054Srrs * its not this inp. 4502181054Srrs */ 4503181054Srrs SCTP_INP_DECR_REF(tinp); 4504181054Srrs return (EADDRINUSE); 4505181054Srrs } else if (tinp) { 4506181054Srrs SCTP_INP_DECR_REF(tinp); 4507181054Srrs } 4508181054Srrs } 4509181054Srrs } else { 4510181054Srrs /* Setup a local addr bound all */ 4511181054Srrs memset(&store, 0, sizeof(store)); 4512181054Srrs store.sin.sin_port = inp->sctp_lport; 4513181054Srrs#ifdef INET6 4514181054Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4515181054Srrs store.sa.sa_family = AF_INET6; 4516181054Srrs store.sa.sa_len = sizeof(struct sockaddr_in6); 4517181054Srrs } 4518181054Srrs#endif 4519181054Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 4520181054Srrs store.sa.sa_family = AF_INET; 4521181054Srrs store.sa.sa_len = sizeof(struct sockaddr_in); 4522181054Srrs } 4523181054Srrs tinp = sctp_pcb_findep(&sp->sa, 0, 0, inp->def_vrf_id); 4524181054Srrs if (tinp && (tinp != inp) && 4525181054Srrs ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 4526181054Srrs ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 4527181054Srrs (tinp->sctp_socket->so_qlimit)) { 4528181054Srrs /* 4529181054Srrs * we have a listener already and its not 4530181054Srrs * this inp. 4531181054Srrs */ 4532181054Srrs SCTP_INP_DECR_REF(tinp); 4533181054Srrs return (EADDRINUSE); 4534181054Srrs } else if (tinp) { 4535181054Srrs SCTP_INP_DECR_REF(inp); 4536181054Srrs } 4537181054Srrs } 4538181054Srrs } 4539163953Srrs SCTP_INP_RLOCK(inp); 4540163953Srrs#ifdef SCTP_LOCK_LOGGING 4541179783Srrs if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 4542170744Srrs sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 4543170744Srrs } 4544163953Srrs#endif 4545163953Srrs SOCK_LOCK(so); 4546163953Srrs error = solisten_proto_check(so); 4547163953Srrs if (error) { 4548163953Srrs SOCK_UNLOCK(so); 4549169208Srrs SCTP_INP_RUNLOCK(inp); 4550163953Srrs return (error); 4551163953Srrs } 4552181054Srrs if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 4553181054Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 4554181054Srrs /* 4555181054Srrs * The unlucky case - We are in the tcp pool with this guy. 4556181054Srrs * - Someone else is in the main inp slot. - We must move 4557181054Srrs * this guy (the listener) to the main slot - We must then 4558181054Srrs * move the guy that was listener to the TCP Pool. 4559181054Srrs */ 4560181054Srrs if (sctp_swap_inpcb_for_listen(inp)) { 4561181054Srrs goto in_use; 4562181054Srrs } 4563181054Srrs } 4564163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 4565163953Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 4566163953Srrs /* We are already connected AND the TCP model */ 4567181054Srrsin_use: 4568163953Srrs SCTP_INP_RUNLOCK(inp); 4569163953Srrs SOCK_UNLOCK(so); 4570171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 4571163953Srrs return (EADDRINUSE); 4572163953Srrs } 4573181054Srrs SCTP_INP_RUNLOCK(inp); 4574163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 4575163953Srrs /* We must do a bind. */ 4576166675Srrs SOCK_UNLOCK(so); 4577171572Srrs if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 4578163953Srrs /* bind error, probably perm */ 4579163953Srrs return (error); 4580163953Srrs } 4581166675Srrs SOCK_LOCK(so); 4582163953Srrs } 4583163953Srrs /* It appears for 7.0 and on, we must always call this. */ 4584163953Srrs solisten_proto(so, backlog); 4585163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 4586163953Srrs /* remove the ACCEPTCONN flag for one-to-many sockets */ 4587163953Srrs so->so_options &= ~SO_ACCEPTCONN; 4588163953Srrs } 4589163953Srrs if (backlog == 0) { 4590163953Srrs /* turning off listen */ 4591163953Srrs so->so_options &= ~SO_ACCEPTCONN; 4592163953Srrs } 4593163953Srrs SOCK_UNLOCK(so); 4594163953Srrs return (error); 4595163953Srrs} 4596163953Srrs 4597163953Srrsstatic int sctp_defered_wakeup_cnt = 0; 4598163953Srrs 4599163953Srrsint 4600163953Srrssctp_accept(struct socket *so, struct sockaddr **addr) 4601163953Srrs{ 4602163953Srrs struct sctp_tcb *stcb; 4603163953Srrs struct sctp_inpcb *inp; 4604163953Srrs union sctp_sockstore store; 4605163953Srrs 4606178251Srrs#ifdef INET6 4607163953Srrs int error; 4608163953Srrs 4609178251Srrs#endif 4610163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 4611163953Srrs 4612163953Srrs if (inp == 0) { 4613171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4614163953Srrs return (ECONNRESET); 4615163953Srrs } 4616163953Srrs SCTP_INP_RLOCK(inp); 4617163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 4618168299Srrs SCTP_INP_RUNLOCK(inp); 4619171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4620171943Srrs return (EOPNOTSUPP); 4621163953Srrs } 4622163953Srrs if (so->so_state & SS_ISDISCONNECTED) { 4623163953Srrs SCTP_INP_RUNLOCK(inp); 4624171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 4625163953Srrs return (ECONNABORTED); 4626163953Srrs } 4627163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 4628163953Srrs if (stcb == NULL) { 4629163953Srrs SCTP_INP_RUNLOCK(inp); 4630171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4631163953Srrs return (ECONNRESET); 4632163953Srrs } 4633163953Srrs SCTP_TCB_LOCK(stcb); 4634163953Srrs SCTP_INP_RUNLOCK(inp); 4635163953Srrs store = stcb->asoc.primary_destination->ro._l_addr; 4636207924Srrs stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 4637163953Srrs SCTP_TCB_UNLOCK(stcb); 4638178251Srrs switch (store.sa.sa_family) { 4639178251Srrs case AF_INET: 4640178251Srrs { 4641178251Srrs struct sockaddr_in *sin; 4642163953Srrs 4643178251Srrs SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 4644208863Srrs if (sin == NULL) 4645208863Srrs return (ENOMEM); 4646178251Srrs sin->sin_family = AF_INET; 4647178251Srrs sin->sin_len = sizeof(*sin); 4648178251Srrs sin->sin_port = ((struct sockaddr_in *)&store)->sin_port; 4649178251Srrs sin->sin_addr = ((struct sockaddr_in *)&store)->sin_addr; 4650178251Srrs *addr = (struct sockaddr *)sin; 4651178251Srrs break; 4652178251Srrs } 4653178251Srrs#ifdef INET6 4654178251Srrs case AF_INET6: 4655178251Srrs { 4656178251Srrs struct sockaddr_in6 *sin6; 4657163953Srrs 4658178251Srrs SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 4659208863Srrs if (sin6 == NULL) 4660208863Srrs return (ENOMEM); 4661178251Srrs sin6->sin6_family = AF_INET6; 4662178251Srrs sin6->sin6_len = sizeof(*sin6); 4663178251Srrs sin6->sin6_port = ((struct sockaddr_in6 *)&store)->sin6_port; 4664163953Srrs 4665178251Srrs sin6->sin6_addr = ((struct sockaddr_in6 *)&store)->sin6_addr; 4666178251Srrs if ((error = sa6_recoverscope(sin6)) != 0) { 4667178251Srrs SCTP_FREE_SONAME(sin6); 4668178251Srrs return (error); 4669178251Srrs } 4670178251Srrs *addr = (struct sockaddr *)sin6; 4671178251Srrs break; 4672164085Srrs } 4673178251Srrs#endif 4674178251Srrs default: 4675178251Srrs /* TSNH */ 4676178251Srrs break; 4677163953Srrs } 4678163953Srrs /* Wake any delayed sleep action */ 4679163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 4680166086Srrs SCTP_INP_WLOCK(inp); 4681163953Srrs inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 4682163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 4683163953Srrs inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 4684166086Srrs SCTP_INP_WUNLOCK(inp); 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 } 4691166086Srrs SCTP_INP_WLOCK(inp); 4692163953Srrs } 4693163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 4694163953Srrs inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 4695166086Srrs SCTP_INP_WUNLOCK(inp); 4696163953Srrs SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 4697163953Srrs if (soreadable(inp->sctp_socket)) { 4698163953Srrs sctp_defered_wakeup_cnt++; 4699163953Srrs sorwakeup_locked(inp->sctp_socket); 4700163953Srrs } else { 4701163953Srrs SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 4702163953Srrs } 4703166086Srrs SCTP_INP_WLOCK(inp); 4704163953Srrs } 4705166086Srrs SCTP_INP_WUNLOCK(inp); 4706163953Srrs } 4707207924Srrs if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 4708207924Srrs SCTP_TCB_LOCK(stcb); 4709207924Srrs sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 4710207924Srrs } 4711163953Srrs return (0); 4712163953Srrs} 4713163953Srrs 4714163953Srrsint 4715163953Srrssctp_ingetaddr(struct socket *so, struct sockaddr **addr) 4716163953Srrs{ 4717163953Srrs struct sockaddr_in *sin; 4718167598Srrs uint32_t vrf_id; 4719163953Srrs struct sctp_inpcb *inp; 4720167695Srrs struct sctp_ifa *sctp_ifa; 4721163953Srrs 4722163953Srrs /* 4723163953Srrs * Do the malloc first in case it blocks. 4724163953Srrs */ 4725163953Srrs SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 4726208863Srrs if (sin == NULL) 4727208863Srrs return (ENOMEM); 4728163953Srrs sin->sin_family = AF_INET; 4729163953Srrs sin->sin_len = sizeof(*sin); 4730163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 4731163953Srrs if (!inp) { 4732163953Srrs SCTP_FREE_SONAME(sin); 4733171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4734163953Srrs return ECONNRESET; 4735163953Srrs } 4736163953Srrs SCTP_INP_RLOCK(inp); 4737163953Srrs sin->sin_port = inp->sctp_lport; 4738163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 4739163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4740163953Srrs struct sctp_tcb *stcb; 4741163953Srrs struct sockaddr_in *sin_a; 4742163953Srrs struct sctp_nets *net; 4743163953Srrs int fnd; 4744163953Srrs 4745163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 4746163953Srrs if (stcb == NULL) { 4747163953Srrs goto notConn; 4748163953Srrs } 4749163953Srrs fnd = 0; 4750163953Srrs sin_a = NULL; 4751163953Srrs SCTP_TCB_LOCK(stcb); 4752163953Srrs TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4753163953Srrs sin_a = (struct sockaddr_in *)&net->ro._l_addr; 4754164085Srrs if (sin_a == NULL) 4755164085Srrs /* this will make coverity happy */ 4756164085Srrs continue; 4757164085Srrs 4758163953Srrs if (sin_a->sin_family == AF_INET) { 4759163953Srrs fnd = 1; 4760163953Srrs break; 4761163953Srrs } 4762163953Srrs } 4763163953Srrs if ((!fnd) || (sin_a == NULL)) { 4764163953Srrs /* punt */ 4765163953Srrs SCTP_TCB_UNLOCK(stcb); 4766163953Srrs goto notConn; 4767163953Srrs } 4768168299Srrs vrf_id = inp->def_vrf_id; 4769167598Srrs sctp_ifa = sctp_source_address_selection(inp, 4770167598Srrs stcb, 4771168299Srrs (sctp_route_t *) & net->ro, 4772167598Srrs net, 0, vrf_id); 4773167598Srrs if (sctp_ifa) { 4774167598Srrs sin->sin_addr = sctp_ifa->address.sin.sin_addr; 4775167598Srrs sctp_free_ifa(sctp_ifa); 4776167598Srrs } 4777163953Srrs SCTP_TCB_UNLOCK(stcb); 4778163953Srrs } else { 4779163953Srrs /* For the bound all case you get back 0 */ 4780163953Srrs notConn: 4781163953Srrs sin->sin_addr.s_addr = 0; 4782163953Srrs } 4783163953Srrs 4784163953Srrs } else { 4785163953Srrs /* Take the first IPv4 address in the list */ 4786163953Srrs struct sctp_laddr *laddr; 4787163953Srrs int fnd = 0; 4788163953Srrs 4789163953Srrs LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 4790167598Srrs if (laddr->ifa->address.sa.sa_family == AF_INET) { 4791163953Srrs struct sockaddr_in *sin_a; 4792163953Srrs 4793167598Srrs sin_a = (struct sockaddr_in *)&laddr->ifa->address.sa; 4794163953Srrs sin->sin_addr = sin_a->sin_addr; 4795163953Srrs fnd = 1; 4796163953Srrs break; 4797163953Srrs } 4798163953Srrs } 4799163953Srrs if (!fnd) { 4800163953Srrs SCTP_FREE_SONAME(sin); 4801163953Srrs SCTP_INP_RUNLOCK(inp); 4802171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4803163953Srrs return ENOENT; 4804163953Srrs } 4805163953Srrs } 4806163953Srrs SCTP_INP_RUNLOCK(inp); 4807163953Srrs (*addr) = (struct sockaddr *)sin; 4808163953Srrs return (0); 4809163953Srrs} 4810163953Srrs 4811163953Srrsint 4812163953Srrssctp_peeraddr(struct socket *so, struct sockaddr **addr) 4813163953Srrs{ 4814163953Srrs struct sockaddr_in *sin = (struct sockaddr_in *)*addr; 4815166086Srrs int fnd; 4816163953Srrs struct sockaddr_in *sin_a; 4817163953Srrs struct sctp_inpcb *inp; 4818163953Srrs struct sctp_tcb *stcb; 4819163953Srrs struct sctp_nets *net; 4820163953Srrs 4821163953Srrs /* Do the malloc first in case it blocks. */ 4822163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 4823163953Srrs if ((inp == NULL) || 4824163953Srrs ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 4825163953Srrs /* UDP type and listeners will drop out here */ 4826171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 4827163953Srrs return (ENOTCONN); 4828163953Srrs } 4829163953Srrs SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 4830208863Srrs if (sin == NULL) 4831208863Srrs return (ENOMEM); 4832163953Srrs sin->sin_family = AF_INET; 4833163953Srrs sin->sin_len = sizeof(*sin); 4834163953Srrs 4835163953Srrs /* We must recapture incase we blocked */ 4836163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 4837163953Srrs if (!inp) { 4838163953Srrs SCTP_FREE_SONAME(sin); 4839171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4840163953Srrs return ECONNRESET; 4841163953Srrs } 4842163953Srrs SCTP_INP_RLOCK(inp); 4843163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 4844169420Srrs if (stcb) { 4845163953Srrs SCTP_TCB_LOCK(stcb); 4846169420Srrs } 4847163953Srrs SCTP_INP_RUNLOCK(inp); 4848163953Srrs if (stcb == NULL) { 4849163953Srrs SCTP_FREE_SONAME(sin); 4850171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4851163953Srrs return ECONNRESET; 4852163953Srrs } 4853163953Srrs fnd = 0; 4854163953Srrs TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4855163953Srrs sin_a = (struct sockaddr_in *)&net->ro._l_addr; 4856163953Srrs if (sin_a->sin_family == AF_INET) { 4857163953Srrs fnd = 1; 4858163953Srrs sin->sin_port = stcb->rport; 4859163953Srrs sin->sin_addr = sin_a->sin_addr; 4860163953Srrs break; 4861163953Srrs } 4862163953Srrs } 4863163953Srrs SCTP_TCB_UNLOCK(stcb); 4864163953Srrs if (!fnd) { 4865163953Srrs /* No IPv4 address */ 4866163953Srrs SCTP_FREE_SONAME(sin); 4867171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4868163953Srrs return ENOENT; 4869163953Srrs } 4870163953Srrs (*addr) = (struct sockaddr *)sin; 4871163953Srrs return (0); 4872163953Srrs} 4873163953Srrs 4874163953Srrsstruct pr_usrreqs sctp_usrreqs = { 4875163953Srrs .pru_abort = sctp_abort, 4876163953Srrs .pru_accept = sctp_accept, 4877163953Srrs .pru_attach = sctp_attach, 4878163953Srrs .pru_bind = sctp_bind, 4879163953Srrs .pru_connect = sctp_connect, 4880163953Srrs .pru_control = in_control, 4881163953Srrs .pru_close = sctp_close, 4882163953Srrs .pru_detach = sctp_close, 4883163953Srrs .pru_sopoll = sopoll_generic, 4884178202Srrs .pru_flush = sctp_flush, 4885163953Srrs .pru_disconnect = sctp_disconnect, 4886163953Srrs .pru_listen = sctp_listen, 4887163953Srrs .pru_peeraddr = sctp_peeraddr, 4888163953Srrs .pru_send = sctp_sendm, 4889163953Srrs .pru_shutdown = sctp_shutdown, 4890163953Srrs .pru_sockaddr = sctp_ingetaddr, 4891163953Srrs .pru_sosend = sctp_sosend, 4892163953Srrs .pru_soreceive = sctp_soreceive 4893163953Srrs}; 4894