sctp_usrreq.c revision 221249
1163953Srrs/*- 2185694Srrs * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 3218319Srrs * Copyright (c) 2008-2011, by Randall Stewart. All rights reserved. 4218319Srrs * Copyright (c) 2008-2011, by Michael Tuexen. All rights reserved. 5163953Srrs * 6163953Srrs * Redistribution and use in source and binary forms, with or without 7163953Srrs * modification, are permitted provided that the following conditions are met: 8163953Srrs * 9163953Srrs * a) Redistributions of source code must retain the above copyright notice, 10163953Srrs * this list of conditions and the following disclaimer. 11163953Srrs * 12163953Srrs * b) Redistributions in binary form must reproduce the above copyright 13163953Srrs * notice, this list of conditions and the following disclaimer in 14163953Srrs * the documentation and/or other materials provided with the distribution. 15163953Srrs * 16163953Srrs * c) Neither the name of Cisco Systems, Inc. nor the names of its 17163953Srrs * contributors may be used to endorse or promote products derived 18163953Srrs * from this software without specific prior written permission. 19163953Srrs * 20163953Srrs * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21163953Srrs * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22163953Srrs * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23163953Srrs * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24163953Srrs * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25163953Srrs * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26163953Srrs * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27163953Srrs * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28163953Srrs * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29163953Srrs * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30163953Srrs * THE POSSIBILITY OF SUCH DAMAGE. 31163953Srrs */ 32163953Srrs 33163953Srrs/* $KAME: sctp_usrreq.c,v 1.48 2005/03/07 23:26:08 itojun Exp $ */ 34163953Srrs 35163953Srrs#include <sys/cdefs.h> 36163953Srrs__FBSDID("$FreeBSD: head/sys/netinet/sctp_usrreq.c 221249 2011-04-30 11:18:16Z tuexen $"); 37166086Srrs#include <netinet/sctp_os.h> 38163953Srrs#include <sys/proc.h> 39163953Srrs#include <netinet/sctp_pcb.h> 40163953Srrs#include <netinet/sctp_header.h> 41163953Srrs#include <netinet/sctp_var.h> 42167695Srrs#if defined(INET6) 43167695Srrs#endif 44167598Srrs#include <netinet/sctp_sysctl.h> 45163953Srrs#include <netinet/sctp_output.h> 46163953Srrs#include <netinet/sctp_uio.h> 47163953Srrs#include <netinet/sctp_asconf.h> 48163953Srrs#include <netinet/sctputil.h> 49163953Srrs#include <netinet/sctp_indata.h> 50163953Srrs#include <netinet/sctp_timer.h> 51163953Srrs#include <netinet/sctp_auth.h> 52170091Srrs#include <netinet/sctp_bsd_addr.h> 53185694Srrs#include <netinet/udp.h> 54164085Srrs 55163953Srrs 56163953Srrs 57217611Stuexenextern struct sctp_cc_functions sctp_cc_functions[]; 58217760Stuexenextern struct sctp_ss_functions sctp_ss_functions[]; 59170091Srrs 60163953Srrsvoid 61163953Srrssctp_init(void) 62163953Srrs{ 63163953Srrs u_long sb_max_adj; 64163953Srrs 65179783Srrs /* Initialize and modify the sysctled variables */ 66179783Srrs sctp_init_sysctls(); 67163953Srrs if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 68179783Srrs SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 69163953Srrs /* 70163953Srrs * Allow a user to take no more than 1/2 the number of clusters or 71163953Srrs * the SB_MAX whichever is smaller for the send window. 72163953Srrs */ 73163953Srrs sb_max_adj = (u_long)((u_quad_t) (SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 74179783Srrs SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 75170056Srrs (((uint32_t) nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT)); 76163953Srrs /* 77163953Srrs * Now for the recv window, should we take the same amount? or 78163953Srrs * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 79163953Srrs * now I will just copy. 80163953Srrs */ 81179783Srrs SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 82163953Srrs 83179783Srrs SCTP_BASE_VAR(first_time) = 0; 84179783Srrs SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 85179783Srrs sctp_pcb_init(); 86179783Srrs#if defined(SCTP_PACKET_LOGGING) 87179783Srrs SCTP_BASE_VAR(packet_log_writers) = 0; 88179783Srrs SCTP_BASE_VAR(packet_log_end) = 0; 89179783Srrs bzero(&SCTP_BASE_VAR(packet_log_buffer), SCTP_PACKET_LOG_SIZE); 90179783Srrs#endif 91179783Srrs 92179783Srrs 93163953Srrs} 94163953Srrs 95179783Srrsvoid 96179783Srrssctp_finish(void) 97179783Srrs{ 98179783Srrs sctp_pcb_finish(); 99179783Srrs} 100163953Srrs 101166023Srrs 102163953Srrs 103179157Srrsvoid 104167695Srrssctp_pathmtu_adjustment(struct sctp_inpcb *inp, 105163953Srrs struct sctp_tcb *stcb, 106163953Srrs struct sctp_nets *net, 107163953Srrs uint16_t nxtsz) 108163953Srrs{ 109163953Srrs struct sctp_tmit_chunk *chk; 110197257Stuexen uint16_t overhead; 111163953Srrs 112163953Srrs /* Adjust that too */ 113163953Srrs stcb->asoc.smallest_mtu = nxtsz; 114163953Srrs /* now off to subtract IP_DF flag if needed */ 115197257Stuexen overhead = IP_HDR_SIZE; 116197257Stuexen if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) { 117197257Stuexen overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id); 118197257Stuexen } 119163953Srrs TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) { 120197257Stuexen if ((chk->send_size + overhead) > nxtsz) { 121163953Srrs chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 122163953Srrs } 123163953Srrs } 124163953Srrs TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) { 125197257Stuexen if ((chk->send_size + overhead) > nxtsz) { 126163953Srrs /* 127163953Srrs * For this guy we also mark for immediate resend 128163953Srrs * since we sent to big of chunk 129163953Srrs */ 130163953Srrs chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 131190689Srrs if (chk->sent < SCTP_DATAGRAM_RESEND) { 132190689Srrs sctp_flight_size_decrease(chk); 133190689Srrs sctp_total_flight_decrease(stcb, chk); 134190689Srrs } 135163953Srrs if (chk->sent != SCTP_DATAGRAM_RESEND) { 136163953Srrs sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt); 137163953Srrs } 138163953Srrs chk->sent = SCTP_DATAGRAM_RESEND; 139163953Srrs chk->rec.data.doing_fast_retransmit = 0; 140179783Srrs if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 141170744Srrs sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 142170744Srrs chk->whoTo->flight_size, 143170744Srrs chk->book_size, 144170744Srrs (uintptr_t) chk->whoTo, 145170744Srrs chk->rec.data.TSN_seq); 146170744Srrs } 147163953Srrs /* Clear any time so NO RTT is being done */ 148163953Srrs chk->do_rtt = 0; 149163953Srrs } 150163953Srrs } 151163953Srrs} 152163953Srrs 153221249Stuexen#ifdef INET 154163953Srrsstatic void 155163953Srrssctp_notify_mbuf(struct sctp_inpcb *inp, 156163953Srrs struct sctp_tcb *stcb, 157163953Srrs struct sctp_nets *net, 158163953Srrs struct ip *ip, 159163953Srrs struct sctphdr *sh) 160163953Srrs{ 161163953Srrs struct icmp *icmph; 162163953Srrs int totsz, tmr_stopped = 0; 163163953Srrs uint16_t nxtsz; 164163953Srrs 165163953Srrs /* protection */ 166163953Srrs if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 167163953Srrs (ip == NULL) || (sh == NULL)) { 168169420Srrs if (stcb != NULL) { 169163953Srrs SCTP_TCB_UNLOCK(stcb); 170169420Srrs } 171163953Srrs return; 172163953Srrs } 173163953Srrs /* First job is to verify the vtag matches what I would send */ 174163953Srrs if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 175163953Srrs SCTP_TCB_UNLOCK(stcb); 176163953Srrs return; 177163953Srrs } 178163953Srrs icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 179163953Srrs sizeof(struct ip))); 180163953Srrs if (icmph->icmp_type != ICMP_UNREACH) { 181163953Srrs /* We only care about unreachable */ 182163953Srrs SCTP_TCB_UNLOCK(stcb); 183163953Srrs return; 184163953Srrs } 185163953Srrs if (icmph->icmp_code != ICMP_UNREACH_NEEDFRAG) { 186163953Srrs /* not a unreachable message due to frag. */ 187163953Srrs SCTP_TCB_UNLOCK(stcb); 188163953Srrs return; 189163953Srrs } 190163953Srrs totsz = ip->ip_len; 191163953Srrs 192171943Srrs nxtsz = ntohs(icmph->icmp_nextmtu); 193163953Srrs if (nxtsz == 0) { 194163953Srrs /* 195163953Srrs * old type router that does not tell us what the next size 196163953Srrs * mtu is. Rats we will have to guess (in a educated fashion 197163953Srrs * of course) 198163953Srrs */ 199214939Stuexen nxtsz = sctp_get_prev_mtu(totsz); 200163953Srrs } 201163953Srrs /* Stop any PMTU timer */ 202165647Srrs if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 203163953Srrs tmr_stopped = 1; 204165220Srrs sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 205165220Srrs SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 206163953Srrs } 207163953Srrs /* Adjust destination size limit */ 208163953Srrs if (net->mtu > nxtsz) { 209163953Srrs net->mtu = nxtsz; 210185694Srrs if (net->port) { 211185694Srrs net->mtu -= sizeof(struct udphdr); 212185694Srrs } 213163953Srrs } 214163953Srrs /* now what about the ep? */ 215163953Srrs if (stcb->asoc.smallest_mtu > nxtsz) { 216167695Srrs sctp_pathmtu_adjustment(inp, stcb, net, nxtsz); 217163953Srrs } 218163953Srrs if (tmr_stopped) 219163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 220163953Srrs 221163953Srrs SCTP_TCB_UNLOCK(stcb); 222163953Srrs} 223163953Srrs 224221249Stuexen#endif 225163953Srrs 226163953Srrsvoid 227163953Srrssctp_notify(struct sctp_inpcb *inp, 228172091Srrs struct ip *ip, 229163953Srrs struct sctphdr *sh, 230163953Srrs struct sockaddr *to, 231163953Srrs struct sctp_tcb *stcb, 232163953Srrs struct sctp_nets *net) 233163953Srrs{ 234172090Srrs#if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 235172090Srrs struct socket *so; 236172090Srrs 237172090Srrs#endif 238163953Srrs /* protection */ 239172091Srrs int reason; 240172091Srrs struct icmp *icmph; 241172091Srrs 242172091Srrs 243163953Srrs if ((inp == NULL) || (stcb == NULL) || (net == NULL) || 244163953Srrs (sh == NULL) || (to == NULL)) { 245172091Srrs if (stcb) 246172091Srrs SCTP_TCB_UNLOCK(stcb); 247163953Srrs return; 248163953Srrs } 249163953Srrs /* First job is to verify the vtag matches what I would send */ 250163953Srrs if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) { 251172091Srrs SCTP_TCB_UNLOCK(stcb); 252163953Srrs return; 253163953Srrs } 254172091Srrs icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) - 255172091Srrs sizeof(struct ip))); 256172091Srrs if (icmph->icmp_type != ICMP_UNREACH) { 257172091Srrs /* We only care about unreachable */ 258172091Srrs SCTP_TCB_UNLOCK(stcb); 259172091Srrs return; 260172091Srrs } 261172091Srrs if ((icmph->icmp_code == ICMP_UNREACH_NET) || 262172091Srrs (icmph->icmp_code == ICMP_UNREACH_HOST) || 263172091Srrs (icmph->icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 264172091Srrs (icmph->icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 265172091Srrs (icmph->icmp_code == ICMP_UNREACH_ISOLATED) || 266172091Srrs (icmph->icmp_code == ICMP_UNREACH_NET_PROHIB) || 267172091Srrs (icmph->icmp_code == ICMP_UNREACH_HOST_PROHIB) || 268172091Srrs (icmph->icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 269163953Srrs 270163953Srrs /* 271163953Srrs * Hmm reachablity problems we must examine closely. If its 272163953Srrs * not reachable, we may have lost a network. Or if there is 273163953Srrs * NO protocol at the other end named SCTP. well we consider 274163953Srrs * it a OOTB abort. 275163953Srrs */ 276172091Srrs if (net->dest_state & SCTP_ADDR_REACHABLE) { 277172091Srrs /* Ok that destination is NOT reachable */ 278172091Srrs SCTP_PRINTF("ICMP (thresh %d/%d) takes interface %p down\n", 279172091Srrs net->error_count, 280172091Srrs net->failure_threshold, 281172091Srrs net); 282167598Srrs 283172091Srrs net->dest_state &= ~SCTP_ADDR_REACHABLE; 284172091Srrs net->dest_state |= SCTP_ADDR_NOT_REACHABLE; 285163953Srrs /* 286172091Srrs * JRS 5/14/07 - If a destination is unreachable, 287172091Srrs * the PF bit is turned off. This allows an 288172091Srrs * unambiguous use of the PF bit for destinations 289172091Srrs * that are reachable but potentially failed. If the 290172091Srrs * destination is set to the unreachable state, also 291172091Srrs * set the destination to the PF state. 292163953Srrs */ 293172091Srrs /* 294172091Srrs * Add debug message here if destination is not in 295172091Srrs * PF state. 296172091Srrs */ 297172091Srrs /* Stop any running T3 timers here? */ 298216669Stuexen if ((stcb->asoc.sctp_cmt_on_off > 0) && 299211944Stuexen (stcb->asoc.sctp_cmt_pf > 0)) { 300172091Srrs net->dest_state &= ~SCTP_ADDR_PF; 301172091Srrs SCTPDBG(SCTP_DEBUG_TIMER4, "Destination %p moved from PF to unreachable.\n", 302172091Srrs net); 303172091Srrs } 304172091Srrs net->error_count = net->failure_threshold + 1; 305172091Srrs sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 306172091Srrs stcb, SCTP_FAILED_THRESHOLD, 307172091Srrs (void *)net, SCTP_SO_NOT_LOCKED); 308172091Srrs } 309172091Srrs SCTP_TCB_UNLOCK(stcb); 310172091Srrs } else if ((icmph->icmp_code == ICMP_UNREACH_PROTOCOL) || 311172091Srrs (icmph->icmp_code == ICMP_UNREACH_PORT)) { 312172091Srrs /* 313172091Srrs * Here the peer is either playing tricks on us, including 314172091Srrs * an address that belongs to someone who does not support 315172091Srrs * SCTP OR was a userland implementation that shutdown and 316172091Srrs * now is dead. In either case treat it like a OOTB abort 317172091Srrs * with no TCB 318172091Srrs */ 319172091Srrs reason = SCTP_PEER_FAULTY; 320172091Srrs sctp_abort_notification(stcb, reason, SCTP_SO_NOT_LOCKED); 321172090Srrs#if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 322172091Srrs so = SCTP_INP_SO(inp); 323172091Srrs atomic_add_int(&stcb->asoc.refcnt, 1); 324172091Srrs SCTP_TCB_UNLOCK(stcb); 325172091Srrs SCTP_SOCKET_LOCK(so, 1); 326172091Srrs SCTP_TCB_LOCK(stcb); 327172091Srrs atomic_subtract_int(&stcb->asoc.refcnt, 1); 328172090Srrs#endif 329172091Srrs (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 330172090Srrs#if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 331172091Srrs SCTP_SOCKET_UNLOCK(so, 1); 332172091Srrs /* SCTP_TCB_UNLOCK(stcb); MT: I think this is not needed. */ 333172090Srrs#endif 334172091Srrs /* no need to unlock here, since the TCB is gone */ 335163953Srrs } else { 336172091Srrs SCTP_TCB_UNLOCK(stcb); 337163953Srrs } 338163953Srrs} 339163953Srrs 340221249Stuexen#ifdef INET 341163953Srrsvoid 342163953Srrssctp_ctlinput(cmd, sa, vip) 343163953Srrs int cmd; 344163953Srrs struct sockaddr *sa; 345163953Srrs void *vip; 346163953Srrs{ 347163953Srrs struct ip *ip = vip; 348163953Srrs struct sctphdr *sh; 349167598Srrs uint32_t vrf_id; 350163953Srrs 351168299Srrs /* FIX, for non-bsd is this right? */ 352167598Srrs vrf_id = SCTP_DEFAULT_VRFID; 353163953Srrs if (sa->sa_family != AF_INET || 354163953Srrs ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { 355163953Srrs return; 356163953Srrs } 357163953Srrs if (PRC_IS_REDIRECT(cmd)) { 358163953Srrs ip = 0; 359163953Srrs } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { 360163953Srrs return; 361163953Srrs } 362163953Srrs if (ip) { 363163953Srrs struct sctp_inpcb *inp = NULL; 364163953Srrs struct sctp_tcb *stcb = NULL; 365163953Srrs struct sctp_nets *net = NULL; 366163953Srrs struct sockaddr_in to, from; 367163953Srrs 368163953Srrs sh = (struct sctphdr *)((caddr_t)ip + (ip->ip_hl << 2)); 369163953Srrs bzero(&to, sizeof(to)); 370163953Srrs bzero(&from, sizeof(from)); 371163953Srrs from.sin_family = to.sin_family = AF_INET; 372163953Srrs from.sin_len = to.sin_len = sizeof(to); 373163953Srrs from.sin_port = sh->src_port; 374163953Srrs from.sin_addr = ip->ip_src; 375163953Srrs to.sin_port = sh->dest_port; 376163953Srrs to.sin_addr = ip->ip_dst; 377163953Srrs 378163953Srrs /* 379163953Srrs * 'to' holds the dest of the packet that failed to be sent. 380163953Srrs * 'from' holds our local endpoint address. Thus we reverse 381163953Srrs * the to and the from in the lookup. 382163953Srrs */ 383163953Srrs stcb = sctp_findassociation_addr_sa((struct sockaddr *)&from, 384163953Srrs (struct sockaddr *)&to, 385167598Srrs &inp, &net, 1, vrf_id); 386163953Srrs if (stcb != NULL && inp && (inp->sctp_socket != NULL)) { 387163953Srrs if (cmd != PRC_MSGSIZE) { 388172091Srrs sctp_notify(inp, ip, sh, 389163953Srrs (struct sockaddr *)&to, stcb, 390163953Srrs net); 391163953Srrs } else { 392163953Srrs /* handle possible ICMP size messages */ 393163953Srrs sctp_notify_mbuf(inp, stcb, net, ip, sh); 394163953Srrs } 395163953Srrs } else { 396163953Srrs if ((stcb == NULL) && (inp != NULL)) { 397163953Srrs /* reduce ref-count */ 398163953Srrs SCTP_INP_WLOCK(inp); 399163953Srrs SCTP_INP_DECR_REF(inp); 400163953Srrs SCTP_INP_WUNLOCK(inp); 401163953Srrs } 402209029Srrs if (stcb) { 403209029Srrs SCTP_TCB_UNLOCK(stcb); 404209029Srrs } 405163953Srrs } 406163953Srrs } 407163953Srrs return; 408163953Srrs} 409163953Srrs 410221249Stuexen#endif 411221249Stuexen 412163953Srrsstatic int 413163953Srrssctp_getcred(SYSCTL_HANDLER_ARGS) 414163953Srrs{ 415164085Srrs struct xucred xuc; 416163953Srrs struct sockaddr_in addrs[2]; 417163953Srrs struct sctp_inpcb *inp; 418163953Srrs struct sctp_nets *net; 419163953Srrs struct sctp_tcb *stcb; 420164085Srrs int error; 421167598Srrs uint32_t vrf_id; 422163953Srrs 423168299Srrs /* FIX, for non-bsd is this right? */ 424167598Srrs vrf_id = SCTP_DEFAULT_VRFID; 425168299Srrs 426170587Srwatson error = priv_check(req->td, PRIV_NETINET_GETCRED); 427170587Srwatson 428163953Srrs if (error) 429163953Srrs return (error); 430164039Srwatson 431163953Srrs error = SYSCTL_IN(req, addrs, sizeof(addrs)); 432163953Srrs if (error) 433163953Srrs return (error); 434163953Srrs 435163953Srrs stcb = sctp_findassociation_addr_sa(sintosa(&addrs[0]), 436163953Srrs sintosa(&addrs[1]), 437167598Srrs &inp, &net, 1, vrf_id); 438163953Srrs if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 439163953Srrs if ((inp != NULL) && (stcb == NULL)) { 440163953Srrs /* reduce ref-count */ 441163953Srrs SCTP_INP_WLOCK(inp); 442163953Srrs SCTP_INP_DECR_REF(inp); 443164085Srrs goto cred_can_cont; 444163953Srrs } 445171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 446163953Srrs error = ENOENT; 447163953Srrs goto out; 448163953Srrs } 449163953Srrs SCTP_TCB_UNLOCK(stcb); 450164085Srrs /* 451164085Srrs * We use the write lock here, only since in the error leg we need 452164085Srrs * it. If we used RLOCK, then we would have to 453164085Srrs * wlock/decr/unlock/rlock. Which in theory could create a hole. 454164085Srrs * Better to use higher wlock. 455164085Srrs */ 456164085Srrs SCTP_INP_WLOCK(inp); 457164085Srrscred_can_cont: 458164085Srrs error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 459164085Srrs if (error) { 460164085Srrs SCTP_INP_WUNLOCK(inp); 461164085Srrs goto out; 462164085Srrs } 463164085Srrs cru2x(inp->sctp_socket->so_cred, &xuc); 464164085Srrs SCTP_INP_WUNLOCK(inp); 465164085Srrs error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 466163953Srrsout: 467163953Srrs return (error); 468163953Srrs} 469163953Srrs 470163953SrrsSYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW, 471163953Srrs 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection"); 472163953Srrs 473163953Srrs 474221249Stuexen#ifdef INET 475163953Srrsstatic void 476163953Srrssctp_abort(struct socket *so) 477163953Srrs{ 478163953Srrs struct sctp_inpcb *inp; 479163953Srrs uint32_t flags; 480163953Srrs 481163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 482171943Srrs if (inp == 0) { 483163953Srrs return; 484171943Srrs } 485163953Srrssctp_must_try_again: 486163953Srrs flags = inp->sctp_flags; 487163953Srrs#ifdef SCTP_LOG_CLOSING 488163953Srrs sctp_log_closing(inp, NULL, 17); 489163953Srrs#endif 490163953Srrs if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 491163953Srrs (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 492163953Srrs#ifdef SCTP_LOG_CLOSING 493163953Srrs sctp_log_closing(inp, NULL, 16); 494163953Srrs#endif 495169380Srrs sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 496169380Srrs SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 497163953Srrs SOCK_LOCK(so); 498167695Srrs SCTP_SB_CLEAR(so->so_snd); 499163953Srrs /* 500163953Srrs * same for the rcv ones, they are only here for the 501163953Srrs * accounting/select. 502163953Srrs */ 503167695Srrs SCTP_SB_CLEAR(so->so_rcv); 504167695Srrs 505167695Srrs /* Now null out the reference, we are completely detached. */ 506163953Srrs so->so_pcb = NULL; 507163953Srrs SOCK_UNLOCK(so); 508163953Srrs } else { 509163953Srrs flags = inp->sctp_flags; 510163953Srrs if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 511163953Srrs goto sctp_must_try_again; 512163953Srrs } 513163953Srrs } 514163953Srrs return; 515163953Srrs} 516163953Srrs 517163953Srrsstatic int 518163953Srrssctp_attach(struct socket *so, int proto, struct thread *p) 519163953Srrs{ 520163953Srrs struct sctp_inpcb *inp; 521163953Srrs struct inpcb *ip_inp; 522166086Srrs int error; 523170205Srrs uint32_t vrf_id = SCTP_DEFAULT_VRFID; 524185694Srrs 525171167Sgnn#ifdef IPSEC 526163953Srrs uint32_t flags; 527185694Srrs 528185435Sbz#endif 529171440Srrs 530163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 531163953Srrs if (inp != 0) { 532171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 533163953Srrs return EINVAL; 534163953Srrs } 535184030Srrs if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 536184030Srrs error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 537184030Srrs if (error) { 538184030Srrs return error; 539184030Srrs } 540163953Srrs } 541170205Srrs error = sctp_inpcb_alloc(so, vrf_id); 542163953Srrs if (error) { 543163953Srrs return error; 544163953Srrs } 545163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 546163953Srrs SCTP_INP_WLOCK(inp); 547163953Srrs inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 548163953Srrs ip_inp = &inp->ip_inp.inp; 549163953Srrs ip_inp->inp_vflag |= INP_IPV4; 550197288Srrs ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 551171167Sgnn#ifdef IPSEC 552171133Sgnn error = ipsec_init_policy(so, &ip_inp->inp_sp); 553163953Srrs#ifdef SCTP_LOG_CLOSING 554163953Srrs sctp_log_closing(inp, NULL, 17); 555163953Srrs#endif 556163953Srrs if (error != 0) { 557202523Srrstry_again: 558163953Srrs flags = inp->sctp_flags; 559163953Srrs if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 560163953Srrs (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 561163953Srrs#ifdef SCTP_LOG_CLOSING 562163953Srrs sctp_log_closing(inp, NULL, 15); 563163953Srrs#endif 564169352Srrs SCTP_INP_WUNLOCK(inp); 565169380Srrs sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 566169380Srrs SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 567169254Srrs } else { 568202523Srrs flags = inp->sctp_flags; 569202523Srrs if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 570202523Srrs goto try_again; 571202523Srrs } else { 572202523Srrs SCTP_INP_WUNLOCK(inp); 573202523Srrs } 574163953Srrs } 575163953Srrs return error; 576163953Srrs } 577171167Sgnn#endif /* IPSEC */ 578163953Srrs SCTP_INP_WUNLOCK(inp); 579163953Srrs return 0; 580163953Srrs} 581163953Srrs 582163953Srrsstatic int 583163953Srrssctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 584163953Srrs{ 585171943Srrs struct sctp_inpcb *inp = NULL; 586166086Srrs int error; 587163953Srrs 588163953Srrs#ifdef INET6 589171943Srrs if (addr && addr->sa_family != AF_INET) { 590163953Srrs /* must be a v4 address! */ 591171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 592163953Srrs return EINVAL; 593171943Srrs } 594163953Srrs#endif /* INET6 */ 595170056Srrs if (addr && (addr->sa_len != sizeof(struct sockaddr_in))) { 596171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 597170056Srrs return EINVAL; 598170056Srrs } 599163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 600171943Srrs if (inp == 0) { 601171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 602163953Srrs return EINVAL; 603171943Srrs } 604171572Srrs error = sctp_inpcb_bind(so, addr, NULL, p); 605163953Srrs return error; 606163953Srrs} 607163953Srrs 608221249Stuexen#endif 609171990Srrsvoid 610163953Srrssctp_close(struct socket *so) 611163953Srrs{ 612163953Srrs struct sctp_inpcb *inp; 613163953Srrs uint32_t flags; 614163953Srrs 615163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 616163953Srrs if (inp == 0) 617163953Srrs return; 618163953Srrs 619163953Srrs /* 620163953Srrs * Inform all the lower layer assoc that we are done. 621163953Srrs */ 622163953Srrssctp_must_try_again: 623163953Srrs flags = inp->sctp_flags; 624163953Srrs#ifdef SCTP_LOG_CLOSING 625163953Srrs sctp_log_closing(inp, NULL, 17); 626163953Srrs#endif 627163953Srrs if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 628163953Srrs (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { 629163953Srrs if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 630163953Srrs (so->so_rcv.sb_cc > 0)) { 631163953Srrs#ifdef SCTP_LOG_CLOSING 632163953Srrs sctp_log_closing(inp, NULL, 13); 633163953Srrs#endif 634169380Srrs sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 635169380Srrs SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 636163953Srrs } else { 637163953Srrs#ifdef SCTP_LOG_CLOSING 638163953Srrs sctp_log_closing(inp, NULL, 14); 639163953Srrs#endif 640169380Srrs sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 641169380Srrs SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 642163953Srrs } 643163953Srrs /* 644163953Srrs * The socket is now detached, no matter what the state of 645163953Srrs * the SCTP association. 646163953Srrs */ 647163953Srrs SOCK_LOCK(so); 648167695Srrs SCTP_SB_CLEAR(so->so_snd); 649163953Srrs /* 650163953Srrs * same for the rcv ones, they are only here for the 651163953Srrs * accounting/select. 652163953Srrs */ 653167695Srrs SCTP_SB_CLEAR(so->so_rcv); 654167695Srrs 655167695Srrs /* Now null out the reference, we are completely detached. */ 656163953Srrs so->so_pcb = NULL; 657163953Srrs SOCK_UNLOCK(so); 658163953Srrs } else { 659163953Srrs flags = inp->sctp_flags; 660163953Srrs if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 661163953Srrs goto sctp_must_try_again; 662163953Srrs } 663163953Srrs } 664163953Srrs return; 665163953Srrs} 666163953Srrs 667163953Srrs 668163953Srrsint 669163953Srrssctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 670163953Srrs struct mbuf *control, struct thread *p); 671163953Srrs 672163953Srrs 673163953Srrsint 674163953Srrssctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 675163953Srrs struct mbuf *control, struct thread *p) 676163953Srrs{ 677163953Srrs struct sctp_inpcb *inp; 678163953Srrs int error; 679163953Srrs 680163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 681163953Srrs if (inp == 0) { 682163953Srrs if (control) { 683163953Srrs sctp_m_freem(control); 684163953Srrs control = NULL; 685163953Srrs } 686171943Srrs SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 687163953Srrs sctp_m_freem(m); 688163953Srrs return EINVAL; 689163953Srrs } 690163953Srrs /* Got to have an to address if we are NOT a connected socket */ 691163953Srrs if ((addr == NULL) && 692163953Srrs ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 693163953Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE)) 694163953Srrs ) { 695163953Srrs goto connected_type; 696163953Srrs } else if (addr == NULL) { 697171943Srrs SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 698163953Srrs error = EDESTADDRREQ; 699163953Srrs sctp_m_freem(m); 700163953Srrs if (control) { 701163953Srrs sctp_m_freem(control); 702163953Srrs control = NULL; 703163953Srrs } 704163953Srrs return (error); 705163953Srrs } 706163953Srrs#ifdef INET6 707163953Srrs if (addr->sa_family != AF_INET) { 708163953Srrs /* must be a v4 address! */ 709171943Srrs SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 710163953Srrs sctp_m_freem(m); 711163953Srrs if (control) { 712163953Srrs sctp_m_freem(control); 713163953Srrs control = NULL; 714163953Srrs } 715163953Srrs error = EDESTADDRREQ; 716171943Srrs return EDESTADDRREQ; 717163953Srrs } 718163953Srrs#endif /* INET6 */ 719163953Srrsconnected_type: 720163953Srrs /* now what about control */ 721163953Srrs if (control) { 722163953Srrs if (inp->control) { 723169420Srrs SCTP_PRINTF("huh? control set?\n"); 724163953Srrs sctp_m_freem(inp->control); 725163953Srrs inp->control = NULL; 726163953Srrs } 727163953Srrs inp->control = control; 728163953Srrs } 729163953Srrs /* Place the data */ 730163953Srrs if (inp->pkt) { 731165647Srrs SCTP_BUF_NEXT(inp->pkt_last) = m; 732163953Srrs inp->pkt_last = m; 733163953Srrs } else { 734163953Srrs inp->pkt_last = inp->pkt = m; 735163953Srrs } 736163953Srrs if ( 737163953Srrs /* FreeBSD uses a flag passed */ 738163953Srrs ((flags & PRUS_MORETOCOME) == 0) 739163953Srrs ) { 740163953Srrs /* 741163953Srrs * note with the current version this code will only be used 742163953Srrs * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 743163953Srrs * re-defining sosend to use the sctp_sosend. One can 744163953Srrs * optionally switch back to this code (by changing back the 745163953Srrs * definitions) but this is not advisable. This code is used 746163953Srrs * by FreeBSD when sending a file with sendfile() though. 747163953Srrs */ 748163953Srrs int ret; 749163953Srrs 750163953Srrs ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 751163953Srrs inp->pkt = NULL; 752163953Srrs inp->control = NULL; 753163953Srrs return (ret); 754163953Srrs } else { 755163953Srrs return (0); 756163953Srrs } 757163953Srrs} 758163953Srrs 759171990Srrsint 760163953Srrssctp_disconnect(struct socket *so) 761163953Srrs{ 762163953Srrs struct sctp_inpcb *inp; 763163953Srrs 764163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 765163953Srrs if (inp == NULL) { 766171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 767163953Srrs return (ENOTCONN); 768163953Srrs } 769163953Srrs SCTP_INP_RLOCK(inp); 770171745Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 771171745Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 772199437Stuexen if (LIST_EMPTY(&inp->sctp_asoc_list)) { 773163953Srrs /* No connection */ 774163953Srrs SCTP_INP_RUNLOCK(inp); 775163953Srrs return (0); 776163953Srrs } else { 777163953Srrs struct sctp_association *asoc; 778163953Srrs struct sctp_tcb *stcb; 779163953Srrs 780163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 781163953Srrs if (stcb == NULL) { 782163953Srrs SCTP_INP_RUNLOCK(inp); 783171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 784163953Srrs return (EINVAL); 785163953Srrs } 786163953Srrs SCTP_TCB_LOCK(stcb); 787163953Srrs asoc = &stcb->asoc; 788163953Srrs if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 789163953Srrs /* We are about to be freed, out of here */ 790163953Srrs SCTP_TCB_UNLOCK(stcb); 791163953Srrs SCTP_INP_RUNLOCK(inp); 792163953Srrs return (0); 793163953Srrs } 794163953Srrs if (((so->so_options & SO_LINGER) && 795163953Srrs (so->so_linger == 0)) || 796163953Srrs (so->so_rcv.sb_cc > 0)) { 797163953Srrs if (SCTP_GET_STATE(asoc) != 798163953Srrs SCTP_STATE_COOKIE_WAIT) { 799163953Srrs /* Left with Data unread */ 800163953Srrs struct mbuf *err; 801163953Srrs 802163953Srrs err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_DONTWAIT, 1, MT_DATA); 803163953Srrs if (err) { 804163953Srrs /* 805163953Srrs * Fill in the user 806163953Srrs * initiated abort 807163953Srrs */ 808163953Srrs struct sctp_paramhdr *ph; 809163953Srrs 810163953Srrs ph = mtod(err, struct sctp_paramhdr *); 811165647Srrs SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr); 812163953Srrs ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT); 813165647Srrs ph->param_length = htons(SCTP_BUF_LEN(err)); 814163953Srrs } 815172396Srrs#if defined(SCTP_PANIC_ON_ABORT) 816172396Srrs panic("disconnect does an abort"); 817172396Srrs#endif 818172090Srrs sctp_send_abort_tcb(stcb, err, SCTP_SO_LOCKED); 819163953Srrs SCTP_STAT_INCR_COUNTER32(sctps_aborted); 820163953Srrs } 821163953Srrs SCTP_INP_RUNLOCK(inp); 822163953Srrs if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 823163953Srrs (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 824163953Srrs SCTP_STAT_DECR_GAUGE32(sctps_currestab); 825163953Srrs } 826171943Srrs (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 827163953Srrs /* No unlock tcb assoc is gone */ 828163953Srrs return (0); 829163953Srrs } 830163953Srrs if (TAILQ_EMPTY(&asoc->send_queue) && 831163953Srrs TAILQ_EMPTY(&asoc->sent_queue) && 832163953Srrs (asoc->stream_queue_cnt == 0)) { 833163953Srrs /* there is nothing queued to send, so done */ 834163953Srrs if (asoc->locked_on_sending) { 835163953Srrs goto abort_anyway; 836163953Srrs } 837166675Srrs if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) && 838166675Srrs (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 839163953Srrs /* only send SHUTDOWN 1st time thru */ 840163953Srrs sctp_stop_timers_for_shutdown(stcb); 841163953Srrs sctp_send_shutdown(stcb, 842163953Srrs stcb->asoc.primary_destination); 843172090Srrs sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 844166675Srrs if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 845166675Srrs (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 846166675Srrs SCTP_STAT_DECR_GAUGE32(sctps_currestab); 847166675Srrs } 848171943Srrs SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 849172703Srrs SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 850163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 851163953Srrs stcb->sctp_ep, stcb, 852163953Srrs asoc->primary_destination); 853163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 854163953Srrs stcb->sctp_ep, stcb, 855163953Srrs asoc->primary_destination); 856163953Srrs } 857163953Srrs } else { 858163953Srrs /* 859163953Srrs * we still got (or just got) data to send, 860163953Srrs * so set SHUTDOWN_PENDING 861163953Srrs */ 862163953Srrs /* 863163953Srrs * XXX sockets draft says that SCTP_EOF 864163953Srrs * should be sent with no data. currently, 865163953Srrs * we will allow user data to be sent first 866163953Srrs * and move to SHUTDOWN-PENDING 867163953Srrs */ 868163953Srrs asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 869163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 870163953Srrs asoc->primary_destination); 871163953Srrs if (asoc->locked_on_sending) { 872163953Srrs /* Locked to send out the data */ 873163953Srrs struct sctp_stream_queue_pending *sp; 874163953Srrs 875163953Srrs sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 876163953Srrs if (sp == NULL) { 877169420Srrs SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 878163953Srrs asoc->locked_on_sending->stream_no); 879163953Srrs } else { 880163953Srrs if ((sp->length == 0) && (sp->msg_is_complete == 0)) 881163953Srrs asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 882163953Srrs } 883163953Srrs } 884163953Srrs if (TAILQ_EMPTY(&asoc->send_queue) && 885163953Srrs TAILQ_EMPTY(&asoc->sent_queue) && 886163953Srrs (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 887163953Srrs struct mbuf *op_err; 888163953Srrs 889163953Srrs abort_anyway: 890163953Srrs op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)), 891163953Srrs 0, M_DONTWAIT, 1, MT_DATA); 892163953Srrs if (op_err) { 893163953Srrs /* 894163953Srrs * Fill in the user 895163953Srrs * initiated abort 896163953Srrs */ 897163953Srrs struct sctp_paramhdr *ph; 898163953Srrs uint32_t *ippp; 899163953Srrs 900165647Srrs SCTP_BUF_LEN(op_err) = 901163953Srrs (sizeof(struct sctp_paramhdr) + sizeof(uint32_t)); 902163953Srrs ph = mtod(op_err, 903163953Srrs struct sctp_paramhdr *); 904163953Srrs ph->param_type = htons( 905163953Srrs SCTP_CAUSE_USER_INITIATED_ABT); 906165647Srrs ph->param_length = htons(SCTP_BUF_LEN(op_err)); 907163953Srrs ippp = (uint32_t *) (ph + 1); 908165220Srrs *ippp = htonl(SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4); 909163953Srrs } 910172396Srrs#if defined(SCTP_PANIC_ON_ABORT) 911172396Srrs panic("disconnect does an abort"); 912172396Srrs#endif 913172396Srrs 914165220Srrs stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 915172090Srrs sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 916163953Srrs SCTP_STAT_INCR_COUNTER32(sctps_aborted); 917163953Srrs if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) || 918163953Srrs (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 919163953Srrs SCTP_STAT_DECR_GAUGE32(sctps_currestab); 920163953Srrs } 921163953Srrs SCTP_INP_RUNLOCK(inp); 922171943Srrs (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 923163953Srrs return (0); 924171990Srrs } else { 925172090Srrs sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 926163953Srrs } 927163953Srrs } 928188067Srrs soisdisconnecting(so); 929163953Srrs SCTP_TCB_UNLOCK(stcb); 930163953Srrs SCTP_INP_RUNLOCK(inp); 931163953Srrs return (0); 932163953Srrs } 933163953Srrs /* not reached */ 934163953Srrs } else { 935163953Srrs /* UDP model does not support this */ 936163953Srrs SCTP_INP_RUNLOCK(inp); 937171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 938163953Srrs return EOPNOTSUPP; 939163953Srrs } 940163953Srrs} 941163953Srrs 942163953Srrsint 943178202Srrssctp_flush(struct socket *so, int how) 944178202Srrs{ 945178202Srrs /* 946178202Srrs * We will just clear out the values and let subsequent close clear 947178202Srrs * out the data, if any. Note if the user did a shutdown(SHUT_RD) 948178202Srrs * they will not be able to read the data, the socket will block 949178202Srrs * that from happening. 950178202Srrs */ 951209289Stuexen struct sctp_inpcb *inp; 952209289Stuexen 953209289Stuexen inp = (struct sctp_inpcb *)so->so_pcb; 954209289Stuexen if (inp == NULL) { 955209289Stuexen SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 956209289Stuexen return EINVAL; 957209289Stuexen } 958209289Stuexen SCTP_INP_RLOCK(inp); 959209289Stuexen /* For the 1 to many model this does nothing */ 960209289Stuexen if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 961209289Stuexen SCTP_INP_RUNLOCK(inp); 962209289Stuexen return (0); 963209289Stuexen } 964209289Stuexen SCTP_INP_RUNLOCK(inp); 965178202Srrs if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 966178202Srrs /* 967178202Srrs * First make sure the sb will be happy, we don't use these 968178202Srrs * except maybe the count 969178202Srrs */ 970209289Stuexen SCTP_INP_WLOCK(inp); 971209289Stuexen SCTP_INP_READ_LOCK(inp); 972209289Stuexen inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 973209289Stuexen SCTP_INP_READ_UNLOCK(inp); 974209289Stuexen SCTP_INP_WUNLOCK(inp); 975178202Srrs so->so_rcv.sb_cc = 0; 976178202Srrs so->so_rcv.sb_mbcnt = 0; 977178202Srrs so->so_rcv.sb_mb = NULL; 978178202Srrs } 979178202Srrs if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 980178202Srrs /* 981178202Srrs * First make sure the sb will be happy, we don't use these 982178202Srrs * except maybe the count 983178202Srrs */ 984178202Srrs so->so_snd.sb_cc = 0; 985178202Srrs so->so_snd.sb_mbcnt = 0; 986178202Srrs so->so_snd.sb_mb = NULL; 987178202Srrs 988178202Srrs } 989178202Srrs return (0); 990178202Srrs} 991178202Srrs 992178202Srrsint 993163953Srrssctp_shutdown(struct socket *so) 994163953Srrs{ 995163953Srrs struct sctp_inpcb *inp; 996163953Srrs 997163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 998163953Srrs if (inp == 0) { 999171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1000163953Srrs return EINVAL; 1001163953Srrs } 1002163953Srrs SCTP_INP_RLOCK(inp); 1003163953Srrs /* For UDP model this is a invalid call */ 1004163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 1005163953Srrs /* Restore the flags that the soshutdown took away. */ 1006204096Stuexen SOCKBUF_LOCK(&so->so_rcv); 1007163953Srrs so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 1008204096Stuexen SOCKBUF_UNLOCK(&so->so_rcv); 1009163953Srrs /* This proc will wakeup for read and do nothing (I hope) */ 1010163953Srrs SCTP_INP_RUNLOCK(inp); 1011171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1012163953Srrs return (EOPNOTSUPP); 1013163953Srrs } 1014163953Srrs /* 1015163953Srrs * Ok if we reach here its the TCP model and it is either a SHUT_WR 1016163953Srrs * or SHUT_RDWR. This means we put the shutdown flag against it. 1017163953Srrs */ 1018163953Srrs { 1019163953Srrs struct sctp_tcb *stcb; 1020163953Srrs struct sctp_association *asoc; 1021163953Srrs 1022188067Srrs if ((so->so_state & 1023188067Srrs (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 1024188067Srrs SCTP_INP_RUNLOCK(inp); 1025188067Srrs return (ENOTCONN); 1026188067Srrs } 1027163953Srrs socantsendmore(so); 1028163953Srrs 1029163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 1030163953Srrs if (stcb == NULL) { 1031163953Srrs /* 1032163953Srrs * Ok we hit the case that the shutdown call was 1033163953Srrs * made after an abort or something. Nothing to do 1034163953Srrs * now. 1035163953Srrs */ 1036168299Srrs SCTP_INP_RUNLOCK(inp); 1037163953Srrs return (0); 1038163953Srrs } 1039163953Srrs SCTP_TCB_LOCK(stcb); 1040163953Srrs asoc = &stcb->asoc; 1041163953Srrs if (TAILQ_EMPTY(&asoc->send_queue) && 1042163953Srrs TAILQ_EMPTY(&asoc->sent_queue) && 1043163953Srrs (asoc->stream_queue_cnt == 0)) { 1044163953Srrs if (asoc->locked_on_sending) { 1045163953Srrs goto abort_anyway; 1046163953Srrs } 1047163953Srrs /* there is nothing queued to send, so I'm done... */ 1048163953Srrs if (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) { 1049163953Srrs /* only send SHUTDOWN the first time through */ 1050163953Srrs sctp_stop_timers_for_shutdown(stcb); 1051163953Srrs sctp_send_shutdown(stcb, 1052163953Srrs stcb->asoc.primary_destination); 1053172218Srrs sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); 1054166675Srrs if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) || 1055166675Srrs (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 1056166675Srrs SCTP_STAT_DECR_GAUGE32(sctps_currestab); 1057166675Srrs } 1058171943Srrs SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT); 1059172703Srrs SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING); 1060163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 1061163953Srrs stcb->sctp_ep, stcb, 1062163953Srrs asoc->primary_destination); 1063163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 1064163953Srrs stcb->sctp_ep, stcb, 1065163953Srrs asoc->primary_destination); 1066163953Srrs } 1067163953Srrs } else { 1068163953Srrs /* 1069163953Srrs * we still got (or just got) data to send, so set 1070163953Srrs * SHUTDOWN_PENDING 1071163953Srrs */ 1072163953Srrs asoc->state |= SCTP_STATE_SHUTDOWN_PENDING; 1073163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, 1074163953Srrs asoc->primary_destination); 1075163953Srrs 1076163953Srrs if (asoc->locked_on_sending) { 1077163953Srrs /* Locked to send out the data */ 1078163953Srrs struct sctp_stream_queue_pending *sp; 1079163953Srrs 1080163953Srrs sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead); 1081163953Srrs if (sp == NULL) { 1082169420Srrs SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n", 1083163953Srrs asoc->locked_on_sending->stream_no); 1084163953Srrs } else { 1085163953Srrs if ((sp->length == 0) && (sp->msg_is_complete == 0)) { 1086163953Srrs asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT; 1087163953Srrs } 1088163953Srrs } 1089163953Srrs } 1090163953Srrs if (TAILQ_EMPTY(&asoc->send_queue) && 1091163953Srrs TAILQ_EMPTY(&asoc->sent_queue) && 1092163953Srrs (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 1093163953Srrs struct mbuf *op_err; 1094163953Srrs 1095163953Srrs abort_anyway: 1096163953Srrs op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)), 1097163953Srrs 0, M_DONTWAIT, 1, MT_DATA); 1098163953Srrs if (op_err) { 1099163953Srrs /* Fill in the user initiated abort */ 1100163953Srrs struct sctp_paramhdr *ph; 1101163953Srrs uint32_t *ippp; 1102163953Srrs 1103165647Srrs SCTP_BUF_LEN(op_err) = 1104163953Srrs sizeof(struct sctp_paramhdr) + sizeof(uint32_t); 1105163953Srrs ph = mtod(op_err, 1106163953Srrs struct sctp_paramhdr *); 1107163953Srrs ph->param_type = htons( 1108163953Srrs SCTP_CAUSE_USER_INITIATED_ABT); 1109165647Srrs ph->param_length = htons(SCTP_BUF_LEN(op_err)); 1110163953Srrs ippp = (uint32_t *) (ph + 1); 1111165220Srrs *ippp = htonl(SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6); 1112163953Srrs } 1113172396Srrs#if defined(SCTP_PANIC_ON_ABORT) 1114172396Srrs panic("shutdown does an abort"); 1115172396Srrs#endif 1116165220Srrs stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 1117163953Srrs sctp_abort_an_association(stcb->sctp_ep, stcb, 1118163953Srrs SCTP_RESPONSE_TO_USER_REQ, 1119172090Srrs op_err, SCTP_SO_LOCKED); 1120163953Srrs goto skip_unlock; 1121171990Srrs } else { 1122172090Srrs sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 1123163953Srrs } 1124163953Srrs } 1125163953Srrs SCTP_TCB_UNLOCK(stcb); 1126163953Srrs } 1127163953Srrsskip_unlock: 1128163953Srrs SCTP_INP_RUNLOCK(inp); 1129163953Srrs return 0; 1130163953Srrs} 1131163953Srrs 1132163953Srrs/* 1133163953Srrs * copies a "user" presentable address and removes embedded scope, etc. 1134163953Srrs * returns 0 on success, 1 on error 1135163953Srrs */ 1136163953Srrsstatic uint32_t 1137163953Srrssctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa) 1138163953Srrs{ 1139178251Srrs#ifdef INET6 1140163953Srrs struct sockaddr_in6 lsa6; 1141163953Srrs 1142163953Srrs sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa, 1143163953Srrs &lsa6); 1144178251Srrs#endif 1145163953Srrs memcpy(ss, sa, sa->sa_len); 1146163953Srrs return (0); 1147163953Srrs} 1148163953Srrs 1149163953Srrs 1150163953Srrs 1151172091Srrs/* 1152172091Srrs * NOTE: assumes addr lock is held 1153172091Srrs */ 1154166675Srrsstatic size_t 1155168124Srrssctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 1156163953Srrs struct sctp_tcb *stcb, 1157166675Srrs size_t limit, 1158167598Srrs struct sockaddr_storage *sas, 1159167598Srrs uint32_t vrf_id) 1160163953Srrs{ 1161167598Srrs struct sctp_ifn *sctp_ifn; 1162167598Srrs struct sctp_ifa *sctp_ifa; 1163166675Srrs int loopback_scope, ipv4_local_scope, local_scope, site_scope; 1164166675Srrs size_t actual; 1165163953Srrs int ipv4_addr_legal, ipv6_addr_legal; 1166167598Srrs struct sctp_vrf *vrf; 1167163953Srrs 1168163953Srrs actual = 0; 1169163953Srrs if (limit <= 0) 1170163953Srrs return (actual); 1171163953Srrs 1172163953Srrs if (stcb) { 1173163953Srrs /* Turn on all the appropriate scope */ 1174163953Srrs loopback_scope = stcb->asoc.loopback_scope; 1175163953Srrs ipv4_local_scope = stcb->asoc.ipv4_local_scope; 1176163953Srrs local_scope = stcb->asoc.local_scope; 1177163953Srrs site_scope = stcb->asoc.site_scope; 1178163953Srrs } else { 1179163953Srrs /* Turn on ALL scope, since we look at the EP */ 1180163953Srrs loopback_scope = ipv4_local_scope = local_scope = 1181163953Srrs site_scope = 1; 1182163953Srrs } 1183163953Srrs ipv4_addr_legal = ipv6_addr_legal = 0; 1184163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1185163953Srrs ipv6_addr_legal = 1; 1186166023Srrs if (SCTP_IPV6_V6ONLY(inp) == 0) { 1187163953Srrs ipv4_addr_legal = 1; 1188163953Srrs } 1189163953Srrs } else { 1190163953Srrs ipv4_addr_legal = 1; 1191163953Srrs } 1192167598Srrs vrf = sctp_find_vrf(vrf_id); 1193167598Srrs if (vrf == NULL) { 1194167598Srrs return (0); 1195167598Srrs } 1196163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1197167598Srrs LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1198163953Srrs if ((loopback_scope == 0) && 1199167598Srrs SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1200163953Srrs /* Skip loopback if loopback_scope not set */ 1201163953Srrs continue; 1202163953Srrs } 1203167598Srrs LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1204163953Srrs if (stcb) { 1205163953Srrs /* 1206163953Srrs * For the BOUND-ALL case, the list 1207163953Srrs * associated with a TCB is Always 1208163953Srrs * considered a reverse list.. i.e. 1209163953Srrs * it lists addresses that are NOT 1210163953Srrs * part of the association. If this 1211163953Srrs * is one of those we must skip it. 1212163953Srrs */ 1213163953Srrs if (sctp_is_addr_restricted(stcb, 1214167598Srrs sctp_ifa)) { 1215163953Srrs continue; 1216163953Srrs } 1217163953Srrs } 1218178251Srrs switch (sctp_ifa->address.sa.sa_family) { 1219221249Stuexen#ifdef INET 1220178251Srrs case AF_INET: 1221178251Srrs if (ipv4_addr_legal) { 1222178251Srrs struct sockaddr_in *sin; 1223163953Srrs 1224178251Srrs sin = (struct sockaddr_in *)&sctp_ifa->address.sa; 1225178251Srrs if (sin->sin_addr.s_addr == 0) { 1226178251Srrs /* 1227178251Srrs * we skip 1228178251Srrs * unspecifed 1229178251Srrs * addresses 1230178251Srrs */ 1231178251Srrs continue; 1232178251Srrs } 1233178251Srrs if ((ipv4_local_scope == 0) && 1234178251Srrs (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1235178251Srrs continue; 1236178251Srrs } 1237178251Srrs#ifdef INET6 1238178251Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1239178251Srrs in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas); 1240178251Srrs ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1241178251Srrs sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6)); 1242178251Srrs actual += sizeof(struct sockaddr_in6); 1243178251Srrs } else { 1244178251Srrs#endif 1245178251Srrs memcpy(sas, sin, sizeof(*sin)); 1246178251Srrs ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport; 1247178251Srrs sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin)); 1248178251Srrs actual += sizeof(*sin); 1249178251Srrs#ifdef INET6 1250178251Srrs } 1251178251Srrs#endif 1252178251Srrs if (actual >= limit) { 1253178251Srrs return (actual); 1254178251Srrs } 1255178251Srrs } else { 1256163953Srrs continue; 1257163953Srrs } 1258178251Srrs break; 1259221249Stuexen#endif 1260178251Srrs#ifdef INET6 1261178251Srrs case AF_INET6: 1262178251Srrs if (ipv6_addr_legal) { 1263178251Srrs struct sockaddr_in6 *sin6; 1264163953Srrs 1265178251Srrs sin6 = (struct sockaddr_in6 *)&sctp_ifa->address.sa; 1266178251Srrs if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1267178251Srrs /* 1268178251Srrs * we skip 1269178251Srrs * unspecifed 1270178251Srrs * addresses 1271178251Srrs */ 1272163953Srrs continue; 1273178251Srrs } 1274178251Srrs if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1275178251Srrs if (local_scope == 0) 1276163953Srrs continue; 1277178251Srrs if (sin6->sin6_scope_id == 0) { 1278178251Srrs if (sa6_recoverscope(sin6) != 0) 1279178251Srrs /* 1280178251Srrs * 1281178251Srrs * bad 1282178251Srrs * 1283178251Srrs * li 1284178251Srrs * nk 1285178251Srrs * 1286178251Srrs * loc 1287178251Srrs * al 1288178251Srrs * 1289178251Srrs * add 1290178251Srrs * re 1291178251Srrs * ss 1292178251Srrs * */ 1293178251Srrs continue; 1294178251Srrs } 1295163953Srrs } 1296178251Srrs if ((site_scope == 0) && 1297178251Srrs (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1298178251Srrs continue; 1299178251Srrs } 1300178251Srrs memcpy(sas, sin6, sizeof(*sin6)); 1301178251Srrs ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1302178251Srrs sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6)); 1303178251Srrs actual += sizeof(*sin6); 1304178251Srrs if (actual >= limit) { 1305178251Srrs return (actual); 1306178251Srrs } 1307178251Srrs } else { 1308163953Srrs continue; 1309163953Srrs } 1310178251Srrs break; 1311178251Srrs#endif 1312178251Srrs default: 1313178251Srrs /* TSNH */ 1314178251Srrs break; 1315163953Srrs } 1316163953Srrs } 1317163953Srrs } 1318163953Srrs } else { 1319163953Srrs struct sctp_laddr *laddr; 1320163953Srrs 1321167598Srrs LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1322167598Srrs if (stcb) { 1323167598Srrs if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1324163953Srrs continue; 1325163953Srrs } 1326163953Srrs } 1327167598Srrs if (sctp_fill_user_address(sas, &laddr->ifa->address.sa)) 1328167598Srrs continue; 1329167598Srrs 1330167598Srrs ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport; 1331167598Srrs sas = (struct sockaddr_storage *)((caddr_t)sas + 1332167598Srrs laddr->ifa->address.sa.sa_len); 1333167598Srrs actual += laddr->ifa->address.sa.sa_len; 1334167598Srrs if (actual >= limit) { 1335167598Srrs return (actual); 1336163953Srrs } 1337163953Srrs } 1338163953Srrs } 1339163953Srrs return (actual); 1340163953Srrs} 1341163953Srrs 1342168124Srrsstatic size_t 1343168124Srrssctp_fill_up_addresses(struct sctp_inpcb *inp, 1344168124Srrs struct sctp_tcb *stcb, 1345168124Srrs size_t limit, 1346168124Srrs struct sockaddr_storage *sas) 1347168124Srrs{ 1348168124Srrs size_t size = 0; 1349168124Srrs 1350172218Srrs SCTP_IPI_ADDR_RLOCK(); 1351168124Srrs /* fill up addresses for the endpoint's default vrf */ 1352168124Srrs size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas, 1353168124Srrs inp->def_vrf_id); 1354172218Srrs SCTP_IPI_ADDR_RUNLOCK(); 1355168124Srrs return (size); 1356168124Srrs} 1357168124Srrs 1358172091Srrs/* 1359172091Srrs * NOTE: assumes addr lock is held 1360172091Srrs */ 1361163953Srrsstatic int 1362168124Srrssctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1363163953Srrs{ 1364163953Srrs int cnt = 0; 1365167598Srrs struct sctp_vrf *vrf = NULL; 1366163953Srrs 1367163953Srrs /* 1368163953Srrs * In both sub-set bound an bound_all cases we return the MAXIMUM 1369163953Srrs * number of addresses that you COULD get. In reality the sub-set 1370163953Srrs * bound may have an exclusion list for a given TCB OR in the 1371163953Srrs * bound-all case a TCB may NOT include the loopback or other 1372163953Srrs * addresses as well. 1373163953Srrs */ 1374167598Srrs vrf = sctp_find_vrf(vrf_id); 1375167598Srrs if (vrf == NULL) { 1376167598Srrs return (0); 1377167598Srrs } 1378163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1379167598Srrs struct sctp_ifn *sctp_ifn; 1380167598Srrs struct sctp_ifa *sctp_ifa; 1381163953Srrs 1382167598Srrs LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1383167598Srrs LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1384163953Srrs /* Count them if they are the right type */ 1385221249Stuexen switch (sctp_ifa->address.sa.sa_family) { 1386221249Stuexen#ifdef INET 1387221249Stuexen case AF_INET: 1388178251Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1389163953Srrs cnt += sizeof(struct sockaddr_in6); 1390163953Srrs else 1391163953Srrs cnt += sizeof(struct sockaddr_in); 1392221249Stuexen break; 1393221249Stuexen#endif 1394221249Stuexen#ifdef INET6 1395221249Stuexen case AF_INET6: 1396163953Srrs cnt += sizeof(struct sockaddr_in6); 1397221249Stuexen break; 1398221249Stuexen#endif 1399221249Stuexen default: 1400221249Stuexen break; 1401221249Stuexen } 1402163953Srrs } 1403163953Srrs } 1404163953Srrs } else { 1405163953Srrs struct sctp_laddr *laddr; 1406163953Srrs 1407163953Srrs LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1408221249Stuexen switch (laddr->ifa->address.sa.sa_family) { 1409221249Stuexen#ifdef INET 1410221249Stuexen case AF_INET: 1411178251Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1412163953Srrs cnt += sizeof(struct sockaddr_in6); 1413163953Srrs else 1414163953Srrs cnt += sizeof(struct sockaddr_in); 1415221249Stuexen break; 1416221249Stuexen#endif 1417221249Stuexen#ifdef INET6 1418221249Stuexen case AF_INET6: 1419163953Srrs cnt += sizeof(struct sockaddr_in6); 1420221249Stuexen break; 1421221249Stuexen#endif 1422221249Stuexen default: 1423221249Stuexen break; 1424221249Stuexen } 1425163953Srrs } 1426163953Srrs } 1427163953Srrs return (cnt); 1428163953Srrs} 1429163953Srrs 1430168124Srrsstatic int 1431168124Srrssctp_count_max_addresses(struct sctp_inpcb *inp) 1432168124Srrs{ 1433168124Srrs int cnt = 0; 1434166675Srrs 1435172218Srrs SCTP_IPI_ADDR_RLOCK(); 1436168124Srrs /* count addresses for the endpoint's default VRF */ 1437168124Srrs cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id); 1438172218Srrs SCTP_IPI_ADDR_RUNLOCK(); 1439168124Srrs return (cnt); 1440168124Srrs} 1441168124Srrs 1442163953Srrsstatic int 1443166675Srrssctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1444166675Srrs size_t optsize, void *p, int delay) 1445163953Srrs{ 1446163953Srrs int error = 0; 1447163953Srrs int creat_lock_on = 0; 1448163953Srrs struct sctp_tcb *stcb = NULL; 1449163953Srrs struct sockaddr *sa; 1450169352Srrs int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1451169352Srrs int added = 0; 1452167598Srrs uint32_t vrf_id; 1453170056Srrs int bad_addresses = 0; 1454167598Srrs sctp_assoc_t *a_id; 1455163953Srrs 1456169420Srrs SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1457163953Srrs 1458163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1459163953Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1460163953Srrs /* We are already connected AND the TCP model */ 1461171943Srrs SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1462163953Srrs return (EADDRINUSE); 1463163953Srrs } 1464181054Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1465181054Srrs (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1466171943Srrs SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1467163953Srrs return (EINVAL); 1468163953Srrs } 1469163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1470163953Srrs SCTP_INP_RLOCK(inp); 1471163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 1472163953Srrs SCTP_INP_RUNLOCK(inp); 1473163953Srrs } 1474163953Srrs if (stcb) { 1475171943Srrs SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1476163953Srrs return (EALREADY); 1477163953Srrs } 1478163953Srrs SCTP_INP_INCR_REF(inp); 1479163953Srrs SCTP_ASOC_CREATE_LOCK(inp); 1480163953Srrs creat_lock_on = 1; 1481163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1482163953Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1483171943Srrs SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1484163953Srrs error = EFAULT; 1485163953Srrs goto out_now; 1486163953Srrs } 1487166675Srrs totaddrp = (int *)optval; 1488163953Srrs totaddr = *totaddrp; 1489163953Srrs sa = (struct sockaddr *)(totaddrp + 1); 1490170056Srrs stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (optsize - sizeof(int)), &bad_addresses); 1491170056Srrs if ((stcb != NULL) || bad_addresses) { 1492169352Srrs /* Already have or am bring up an association */ 1493169352Srrs SCTP_ASOC_CREATE_UNLOCK(inp); 1494169352Srrs creat_lock_on = 0; 1495170931Srrs if (stcb) 1496170931Srrs SCTP_TCB_UNLOCK(stcb); 1497171943Srrs if (bad_addresses == 0) { 1498171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1499170056Srrs error = EALREADY; 1500171943Srrs } 1501169352Srrs goto out_now; 1502163953Srrs } 1503163953Srrs#ifdef INET6 1504163953Srrs if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1505163953Srrs (num_v6 > 0)) { 1506163953Srrs error = EINVAL; 1507163953Srrs goto out_now; 1508163953Srrs } 1509163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1510163953Srrs (num_v4 > 0)) { 1511163953Srrs struct in6pcb *inp6; 1512163953Srrs 1513163953Srrs inp6 = (struct in6pcb *)inp; 1514166023Srrs if (SCTP_IPV6_V6ONLY(inp6)) { 1515163953Srrs /* 1516163953Srrs * if IPV6_V6ONLY flag, ignore connections destined 1517163953Srrs * to a v4 addr or v4-mapped addr 1518163953Srrs */ 1519171943Srrs SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1520163953Srrs error = EINVAL; 1521163953Srrs goto out_now; 1522163953Srrs } 1523163953Srrs } 1524163953Srrs#endif /* INET6 */ 1525163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 1526163953Srrs SCTP_PCB_FLAGS_UNBOUND) { 1527163953Srrs /* Bind a ephemeral port */ 1528171572Srrs error = sctp_inpcb_bind(so, NULL, NULL, p); 1529163953Srrs if (error) { 1530163953Srrs goto out_now; 1531163953Srrs } 1532163953Srrs } 1533167695Srrs /* FIX ME: do we want to pass in a vrf on the connect call? */ 1534167695Srrs vrf_id = inp->def_vrf_id; 1535167695Srrs 1536181054Srrs 1537163953Srrs /* We are GOOD to go */ 1538206137Stuexen stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id, 1539171531Srrs (struct thread *)p 1540171531Srrs ); 1541163953Srrs if (stcb == NULL) { 1542163953Srrs /* Gak! no memory */ 1543163953Srrs goto out_now; 1544163953Srrs } 1545171943Srrs SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 1546163953Srrs /* move to second address */ 1547221249Stuexen switch (sa->sa_family) { 1548221249Stuexen#ifdef INET 1549221249Stuexen case AF_INET: 1550163953Srrs sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1551221249Stuexen break; 1552221249Stuexen#endif 1553221249Stuexen#ifdef INET6 1554221249Stuexen case AF_INET6: 1555163953Srrs sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1556221249Stuexen break; 1557221249Stuexen#endif 1558221249Stuexen default: 1559221249Stuexen break; 1560221249Stuexen } 1561163953Srrs 1562170056Srrs error = 0; 1563169352Srrs added = sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1564167598Srrs /* Fill in the return id */ 1565170056Srrs if (error) { 1566207924Srrs (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6); 1567170056Srrs goto out_now; 1568170056Srrs } 1569167598Srrs a_id = (sctp_assoc_t *) optval; 1570167598Srrs *a_id = sctp_get_associd(stcb); 1571163953Srrs 1572163953Srrs /* initialize authentication parameters for the assoc */ 1573163953Srrs sctp_initialize_auth_params(inp, stcb); 1574163953Srrs 1575163953Srrs if (delay) { 1576163953Srrs /* doing delayed connection */ 1577163953Srrs stcb->asoc.delayed_connection = 1; 1578163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1579163953Srrs } else { 1580169378Srrs (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1581172090Srrs sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1582163953Srrs } 1583163953Srrs SCTP_TCB_UNLOCK(stcb); 1584163953Srrs if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 1585163953Srrs stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 1586163953Srrs /* Set the connected flag so we can queue data */ 1587163953Srrs soisconnecting(so); 1588163953Srrs } 1589163953Srrsout_now: 1590169655Srrs if (creat_lock_on) { 1591163953Srrs SCTP_ASOC_CREATE_UNLOCK(inp); 1592169655Srrs } 1593163953Srrs SCTP_INP_DECR_REF(inp); 1594163953Srrs return error; 1595163953Srrs} 1596163953Srrs 1597169420Srrs#define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1598169655Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1599169655Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1600166675Srrs SCTP_INP_RLOCK(inp); \ 1601166675Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1602169655Srrs if (stcb) { \ 1603166675Srrs SCTP_TCB_LOCK(stcb); \ 1604169655Srrs } \ 1605166675Srrs SCTP_INP_RUNLOCK(inp); \ 1606166675Srrs } else if (assoc_id != 0) { \ 1607166675Srrs stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1608166675Srrs if (stcb == NULL) { \ 1609171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1610166675Srrs error = ENOENT; \ 1611166675Srrs break; \ 1612166675Srrs } \ 1613166675Srrs } else { \ 1614166675Srrs stcb = NULL; \ 1615169420Srrs } \ 1616169420Srrs } 1617163953Srrs 1618169420Srrs 1619169420Srrs#define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1620166675Srrs if (size < sizeof(type)) { \ 1621171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1622166675Srrs error = EINVAL; \ 1623166675Srrs break; \ 1624166675Srrs } else { \ 1625166675Srrs destp = (type *)srcp; \ 1626169420Srrs } \ 1627169420Srrs } 1628163953Srrs 1629163953Srrsstatic int 1630166675Srrssctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1631166675Srrs void *p) 1632163953Srrs{ 1633171943Srrs struct sctp_inpcb *inp = NULL; 1634166675Srrs int error, val = 0; 1635163953Srrs struct sctp_tcb *stcb = NULL; 1636163953Srrs 1637166675Srrs if (optval == NULL) { 1638171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1639166675Srrs return (EINVAL); 1640166675Srrs } 1641163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 1642171943Srrs if (inp == 0) { 1643171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1644163953Srrs return EINVAL; 1645171943Srrs } 1646163953Srrs error = 0; 1647163953Srrs 1648166675Srrs switch (optname) { 1649163953Srrs case SCTP_NODELAY: 1650163953Srrs case SCTP_AUTOCLOSE: 1651163953Srrs case SCTP_EXPLICIT_EOR: 1652163953Srrs case SCTP_AUTO_ASCONF: 1653163953Srrs case SCTP_DISABLE_FRAGMENTS: 1654163953Srrs case SCTP_I_WANT_MAPPED_V4_ADDR: 1655163953Srrs case SCTP_USE_EXT_RCVINFO: 1656163953Srrs SCTP_INP_RLOCK(inp); 1657166675Srrs switch (optname) { 1658163953Srrs case SCTP_DISABLE_FRAGMENTS: 1659166675Srrs val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1660163953Srrs break; 1661163953Srrs case SCTP_I_WANT_MAPPED_V4_ADDR: 1662166675Srrs val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1663163953Srrs break; 1664163953Srrs case SCTP_AUTO_ASCONF: 1665171943Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1666171943Srrs /* only valid for bound all sockets */ 1667171943Srrs val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1668171943Srrs } else { 1669171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1670171943Srrs error = EINVAL; 1671171943Srrs goto flags_out; 1672171943Srrs } 1673163953Srrs break; 1674163953Srrs case SCTP_EXPLICIT_EOR: 1675166675Srrs val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1676163953Srrs break; 1677163953Srrs case SCTP_NODELAY: 1678166675Srrs val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1679163953Srrs break; 1680163953Srrs case SCTP_USE_EXT_RCVINFO: 1681166675Srrs val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1682163953Srrs break; 1683163953Srrs case SCTP_AUTOCLOSE: 1684163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1685166675Srrs val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time); 1686163953Srrs else 1687166675Srrs val = 0; 1688163953Srrs break; 1689163953Srrs 1690163953Srrs default: 1691171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1692163953Srrs error = ENOPROTOOPT; 1693163953Srrs } /* end switch (sopt->sopt_name) */ 1694166675Srrs if (optname != SCTP_AUTOCLOSE) { 1695163953Srrs /* make it an "on/off" value */ 1696166675Srrs val = (val != 0); 1697163953Srrs } 1698166675Srrs if (*optsize < sizeof(val)) { 1699171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1700163953Srrs error = EINVAL; 1701163953Srrs } 1702171943Srrsflags_out: 1703163953Srrs SCTP_INP_RUNLOCK(inp); 1704163953Srrs if (error == 0) { 1705163953Srrs /* return the option value */ 1706166675Srrs *(int *)optval = val; 1707166675Srrs *optsize = sizeof(val); 1708163953Srrs } 1709163953Srrs break; 1710170091Srrs case SCTP_GET_PACKET_LOG: 1711170091Srrs { 1712170091Srrs#ifdef SCTP_PACKET_LOGGING 1713170091Srrs uint8_t *target; 1714170091Srrs int ret; 1715167598Srrs 1716170091Srrs SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1717170091Srrs ret = sctp_copy_out_packet_log(target, (int)*optsize); 1718170091Srrs *optsize = ret; 1719170091Srrs#else 1720171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1721170091Srrs error = EOPNOTSUPP; 1722170091Srrs#endif 1723170091Srrs break; 1724170091Srrs } 1725181054Srrs case SCTP_REUSE_PORT: 1726181054Srrs { 1727181054Srrs uint32_t *value; 1728181054Srrs 1729181054Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1730181054Srrs /* Can't do this for a 1-m socket */ 1731181054Srrs error = EINVAL; 1732181054Srrs break; 1733181054Srrs } 1734181054Srrs SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1735181054Srrs *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1736181054Srrs *optsize = sizeof(uint32_t); 1737181054Srrs } 1738181054Srrs break; 1739163953Srrs case SCTP_PARTIAL_DELIVERY_POINT: 1740163953Srrs { 1741166675Srrs uint32_t *value; 1742166675Srrs 1743166675Srrs SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1744166675Srrs *value = inp->partial_delivery_point; 1745166675Srrs *optsize = sizeof(uint32_t); 1746163953Srrs } 1747163953Srrs break; 1748163953Srrs case SCTP_FRAGMENT_INTERLEAVE: 1749163953Srrs { 1750166675Srrs uint32_t *value; 1751166675Srrs 1752166675Srrs SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1753168943Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1754168943Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1755168943Srrs *value = SCTP_FRAG_LEVEL_2; 1756168943Srrs } else { 1757168943Srrs *value = SCTP_FRAG_LEVEL_1; 1758168943Srrs } 1759168943Srrs } else { 1760168943Srrs *value = SCTP_FRAG_LEVEL_0; 1761168943Srrs } 1762166675Srrs *optsize = sizeof(uint32_t); 1763163953Srrs } 1764163953Srrs break; 1765163953Srrs case SCTP_CMT_ON_OFF: 1766163953Srrs { 1767166675Srrs struct sctp_assoc_value *av; 1768166675Srrs 1769166675Srrs SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1770211944Stuexen SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1771211944Stuexen if (stcb) { 1772211944Stuexen av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1773211944Stuexen SCTP_TCB_UNLOCK(stcb); 1774166675Srrs } else { 1775211944Stuexen SCTP_INP_RLOCK(inp); 1776211944Stuexen av->assoc_value = inp->sctp_cmt_on_off; 1777211944Stuexen SCTP_INP_RUNLOCK(inp); 1778163953Srrs } 1779166675Srrs *optsize = sizeof(*av); 1780163953Srrs } 1781163953Srrs break; 1782171440Srrs /* JRS - Get socket option for pluggable congestion control */ 1783171440Srrs case SCTP_PLUGGABLE_CC: 1784171440Srrs { 1785171440Srrs struct sctp_assoc_value *av; 1786171440Srrs 1787171440Srrs SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1788171440Srrs SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1789171440Srrs if (stcb) { 1790171440Srrs av->assoc_value = stcb->asoc.congestion_control_module; 1791171440Srrs SCTP_TCB_UNLOCK(stcb); 1792171440Srrs } else { 1793171440Srrs av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1794171440Srrs } 1795171440Srrs *optsize = sizeof(*av); 1796171440Srrs } 1797171440Srrs break; 1798219057Srrs case SCTP_CC_OPTION: 1799219057Srrs { 1800219057Srrs struct sctp_cc_option *cc_opt; 1801219057Srrs 1802219057Srrs SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1803219057Srrs SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1804219057Srrs if (stcb == NULL) { 1805219057Srrs error = EINVAL; 1806219057Srrs } else { 1807219057Srrs if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1808219057Srrs error = ENOTSUP; 1809219057Srrs } else { 1810219057Srrs error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, 1811219057Srrs cc_opt); 1812219057Srrs *optsize = sizeof(*cc_opt); 1813219057Srrs } 1814219057Srrs SCTP_TCB_UNLOCK(stcb); 1815219057Srrs } 1816219057Srrs } 1817219120Srrs break; 1818217760Stuexen /* RS - Get socket option for pluggable stream scheduling */ 1819217760Stuexen case SCTP_PLUGGABLE_SS: 1820217760Stuexen { 1821217760Stuexen struct sctp_assoc_value *av; 1822217760Stuexen 1823217760Stuexen SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1824217760Stuexen SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1825217760Stuexen if (stcb) { 1826217760Stuexen av->assoc_value = stcb->asoc.stream_scheduling_module; 1827217760Stuexen SCTP_TCB_UNLOCK(stcb); 1828217760Stuexen } else { 1829217760Stuexen av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1830217760Stuexen } 1831217760Stuexen *optsize = sizeof(*av); 1832217760Stuexen } 1833217760Stuexen break; 1834217760Stuexen case SCTP_SS_VALUE: 1835217760Stuexen { 1836217760Stuexen struct sctp_stream_value *av; 1837217760Stuexen 1838217760Stuexen SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1839217760Stuexen SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1840217760Stuexen if (stcb) { 1841217760Stuexen if (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1842217760Stuexen &av->stream_value) < 0) { 1843217760Stuexen SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1844217760Stuexen error = EINVAL; 1845217760Stuexen } else { 1846217760Stuexen *optsize = sizeof(*av); 1847217760Stuexen } 1848217760Stuexen SCTP_TCB_UNLOCK(stcb); 1849217760Stuexen } else { 1850217760Stuexen /* 1851217760Stuexen * Can't get stream value without 1852217760Stuexen * association 1853217760Stuexen */ 1854217760Stuexen SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1855217760Stuexen error = EINVAL; 1856217760Stuexen } 1857217760Stuexen } 1858217760Stuexen break; 1859163953Srrs case SCTP_GET_ADDR_LEN: 1860163953Srrs { 1861163953Srrs struct sctp_assoc_value *av; 1862163953Srrs 1863166675Srrs SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1864163953Srrs error = EINVAL; 1865167598Srrs#ifdef INET 1866163953Srrs if (av->assoc_value == AF_INET) { 1867163953Srrs av->assoc_value = sizeof(struct sockaddr_in); 1868163953Srrs error = 0; 1869163953Srrs } 1870163953Srrs#endif 1871167598Srrs#ifdef INET6 1872163953Srrs if (av->assoc_value == AF_INET6) { 1873163953Srrs av->assoc_value = sizeof(struct sockaddr_in6); 1874163953Srrs error = 0; 1875163953Srrs } 1876163953Srrs#endif 1877172091Srrs if (error) { 1878171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1879172091Srrs } 1880166675Srrs *optsize = sizeof(*av); 1881163953Srrs } 1882163953Srrs break; 1883169655Srrs case SCTP_GET_ASSOC_NUMBER: 1884163953Srrs { 1885169655Srrs uint32_t *value, cnt; 1886163953Srrs 1887169655Srrs SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1888163953Srrs cnt = 0; 1889163953Srrs SCTP_INP_RLOCK(inp); 1890169655Srrs LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1891169655Srrs cnt++; 1892163953Srrs } 1893169655Srrs SCTP_INP_RUNLOCK(inp); 1894169655Srrs *value = cnt; 1895169655Srrs *optsize = sizeof(uint32_t); 1896169655Srrs } 1897169655Srrs break; 1898163953Srrs 1899169655Srrs case SCTP_GET_ASSOC_ID_LIST: 1900169655Srrs { 1901169655Srrs struct sctp_assoc_ids *ids; 1902169655Srrs unsigned int at, limit; 1903169655Srrs 1904169655Srrs SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1905163953Srrs at = 0; 1906185694Srrs limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1907169655Srrs SCTP_INP_RLOCK(inp); 1908169655Srrs LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1909169655Srrs if (at < limit) { 1910169655Srrs ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1911169655Srrs } else { 1912169655Srrs error = EINVAL; 1913171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1914163953Srrs break; 1915163953Srrs } 1916163953Srrs } 1917163953Srrs SCTP_INP_RUNLOCK(inp); 1918185694Srrs ids->gaids_number_of_ids = at; 1919185694Srrs *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1920163953Srrs } 1921163953Srrs break; 1922163953Srrs case SCTP_CONTEXT: 1923163953Srrs { 1924163953Srrs struct sctp_assoc_value *av; 1925163953Srrs 1926166675Srrs SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1927166675Srrs SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1928166675Srrs 1929166675Srrs if (stcb) { 1930166675Srrs av->assoc_value = stcb->asoc.context; 1931166675Srrs SCTP_TCB_UNLOCK(stcb); 1932163953Srrs } else { 1933166675Srrs SCTP_INP_RLOCK(inp); 1934163953Srrs av->assoc_value = inp->sctp_context; 1935166675Srrs SCTP_INP_RUNLOCK(inp); 1936163953Srrs } 1937166675Srrs *optsize = sizeof(*av); 1938163953Srrs } 1939163953Srrs break; 1940167598Srrs case SCTP_VRF_ID: 1941167598Srrs { 1942170056Srrs uint32_t *default_vrfid; 1943167598Srrs 1944170056Srrs SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1945170056Srrs *default_vrfid = inp->def_vrf_id; 1946167598Srrs break; 1947167598Srrs } 1948167598Srrs case SCTP_GET_ASOC_VRF: 1949167598Srrs { 1950167598Srrs struct sctp_assoc_value *id; 1951167598Srrs 1952167598Srrs SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1953167598Srrs SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1954167598Srrs if (stcb == NULL) { 1955167598Srrs error = EINVAL; 1956171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1957167598Srrs break; 1958167598Srrs } 1959167598Srrs id->assoc_value = stcb->asoc.vrf_id; 1960167598Srrs break; 1961167598Srrs } 1962167598Srrs case SCTP_GET_VRF_IDS: 1963167598Srrs { 1964171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1965167598Srrs error = EOPNOTSUPP; 1966167598Srrs break; 1967167598Srrs } 1968163953Srrs case SCTP_GET_NONCE_VALUES: 1969163953Srrs { 1970163953Srrs struct sctp_get_nonce_values *gnv; 1971163953Srrs 1972166675Srrs SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 1973166675Srrs SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 1974166675Srrs 1975166675Srrs if (stcb) { 1976163953Srrs gnv->gn_peers_tag = stcb->asoc.peer_vtag; 1977163953Srrs gnv->gn_local_tag = stcb->asoc.my_vtag; 1978163953Srrs SCTP_TCB_UNLOCK(stcb); 1979166675Srrs } else { 1980171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 1981166675Srrs error = ENOTCONN; 1982163953Srrs } 1983166675Srrs *optsize = sizeof(*gnv); 1984163953Srrs } 1985163953Srrs break; 1986170056Srrs case SCTP_DELAYED_SACK: 1987163953Srrs { 1988170056Srrs struct sctp_sack_info *sack; 1989163953Srrs 1990170056Srrs SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 1991170056Srrs SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 1992166675Srrs if (stcb) { 1993170056Srrs sack->sack_delay = stcb->asoc.delayed_ack; 1994170056Srrs sack->sack_freq = stcb->asoc.sack_freq; 1995166675Srrs SCTP_TCB_UNLOCK(stcb); 1996166675Srrs } else { 1997163953Srrs SCTP_INP_RLOCK(inp); 1998170056Srrs sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 1999170056Srrs sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 2000163953Srrs SCTP_INP_RUNLOCK(inp); 2001163953Srrs } 2002170056Srrs *optsize = sizeof(*sack); 2003163953Srrs } 2004163953Srrs break; 2005163953Srrs 2006163953Srrs case SCTP_GET_SNDBUF_USE: 2007166675Srrs { 2008163953Srrs struct sctp_sockstat *ss; 2009163953Srrs 2010166675Srrs SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 2011166675Srrs SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 2012166675Srrs 2013166675Srrs if (stcb) { 2014166675Srrs ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 2015166675Srrs ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 2016166675Srrs stcb->asoc.size_on_all_streams); 2017166675Srrs SCTP_TCB_UNLOCK(stcb); 2018166675Srrs } else { 2019171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2020163953Srrs error = ENOTCONN; 2021163953Srrs } 2022166675Srrs *optsize = sizeof(struct sctp_sockstat); 2023163953Srrs } 2024163953Srrs break; 2025170056Srrs case SCTP_MAX_BURST: 2026163953Srrs { 2027217895Stuexen struct sctp_assoc_value *av; 2028163953Srrs 2029217895Stuexen SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2030217895Stuexen SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2031166675Srrs 2032217895Stuexen if (stcb) { 2033217895Stuexen av->assoc_value = stcb->asoc.max_burst; 2034217895Stuexen SCTP_TCB_UNLOCK(stcb); 2035217894Stuexen } else { 2036217895Stuexen SCTP_INP_RLOCK(inp); 2037217895Stuexen av->assoc_value = inp->sctp_ep.max_burst; 2038217895Stuexen SCTP_INP_RUNLOCK(inp); 2039217894Stuexen } 2040217895Stuexen *optsize = sizeof(struct sctp_assoc_value); 2041217895Stuexen 2042163953Srrs } 2043163953Srrs break; 2044163953Srrs case SCTP_MAXSEG: 2045163953Srrs { 2046167598Srrs struct sctp_assoc_value *av; 2047163953Srrs int ovh; 2048163953Srrs 2049167598Srrs SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2050170056Srrs SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2051163953Srrs 2052167598Srrs if (stcb) { 2053167598Srrs av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc); 2054167598Srrs SCTP_TCB_UNLOCK(stcb); 2055163953Srrs } else { 2056167598Srrs SCTP_INP_RLOCK(inp); 2057167598Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2058167598Srrs ovh = SCTP_MED_OVERHEAD; 2059167598Srrs } else { 2060167598Srrs ovh = SCTP_MED_V4_OVERHEAD; 2061167598Srrs } 2062170056Srrs if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT) 2063170056Srrs av->assoc_value = 0; 2064170056Srrs else 2065170056Srrs av->assoc_value = inp->sctp_frag_point - ovh; 2066167598Srrs SCTP_INP_RUNLOCK(inp); 2067163953Srrs } 2068167598Srrs *optsize = sizeof(struct sctp_assoc_value); 2069163953Srrs } 2070163953Srrs break; 2071163953Srrs case SCTP_GET_STAT_LOG: 2072167598Srrs error = sctp_fill_stat_log(optval, optsize); 2073163953Srrs break; 2074163953Srrs case SCTP_EVENTS: 2075163953Srrs { 2076163953Srrs struct sctp_event_subscribe *events; 2077163953Srrs 2078166675Srrs SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2079163953Srrs memset(events, 0, sizeof(*events)); 2080163953Srrs SCTP_INP_RLOCK(inp); 2081163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2082163953Srrs events->sctp_data_io_event = 1; 2083163953Srrs 2084163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2085163953Srrs events->sctp_association_event = 1; 2086163953Srrs 2087163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2088163953Srrs events->sctp_address_event = 1; 2089163953Srrs 2090163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2091163953Srrs events->sctp_send_failure_event = 1; 2092163953Srrs 2093163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2094163953Srrs events->sctp_peer_error_event = 1; 2095163953Srrs 2096163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2097163953Srrs events->sctp_shutdown_event = 1; 2098163953Srrs 2099163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2100163953Srrs events->sctp_partial_delivery_event = 1; 2101163953Srrs 2102163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2103163953Srrs events->sctp_adaptation_layer_event = 1; 2104163953Srrs 2105163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2106163953Srrs events->sctp_authentication_event = 1; 2107163953Srrs 2108185694Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2109185694Srrs events->sctp_sender_dry_event = 1; 2110185694Srrs 2111163953Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2112202520Srrs events->sctp_stream_reset_event = 1; 2113163953Srrs SCTP_INP_RUNLOCK(inp); 2114166675Srrs *optsize = sizeof(struct sctp_event_subscribe); 2115163953Srrs } 2116163953Srrs break; 2117163953Srrs 2118163953Srrs case SCTP_ADAPTATION_LAYER: 2119166675Srrs { 2120166675Srrs uint32_t *value; 2121166675Srrs 2122166675Srrs SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2123166675Srrs 2124166675Srrs SCTP_INP_RLOCK(inp); 2125166675Srrs *value = inp->sctp_ep.adaptation_layer_indicator; 2126166675Srrs SCTP_INP_RUNLOCK(inp); 2127166675Srrs *optsize = sizeof(uint32_t); 2128163953Srrs } 2129163953Srrs break; 2130163953Srrs case SCTP_SET_INITIAL_DBG_SEQ: 2131166675Srrs { 2132166675Srrs uint32_t *value; 2133166675Srrs 2134166675Srrs SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2135166675Srrs SCTP_INP_RLOCK(inp); 2136166675Srrs *value = inp->sctp_ep.initial_sequence_debug; 2137166675Srrs SCTP_INP_RUNLOCK(inp); 2138166675Srrs *optsize = sizeof(uint32_t); 2139163953Srrs } 2140163953Srrs break; 2141163953Srrs case SCTP_GET_LOCAL_ADDR_SIZE: 2142166675Srrs { 2143166675Srrs uint32_t *value; 2144166675Srrs 2145166675Srrs SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2146166675Srrs SCTP_INP_RLOCK(inp); 2147168124Srrs *value = sctp_count_max_addresses(inp); 2148166675Srrs SCTP_INP_RUNLOCK(inp); 2149166675Srrs *optsize = sizeof(uint32_t); 2150163953Srrs } 2151163953Srrs break; 2152163953Srrs case SCTP_GET_REMOTE_ADDR_SIZE: 2153163953Srrs { 2154166675Srrs uint32_t *value; 2155166675Srrs size_t size; 2156163953Srrs struct sctp_nets *net; 2157163953Srrs 2158166675Srrs SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2159166675Srrs /* FIXME MT: change to sctp_assoc_value? */ 2160166675Srrs SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value); 2161166675Srrs 2162166675Srrs if (stcb) { 2163166675Srrs size = 0; 2164166675Srrs /* Count the sizes */ 2165166675Srrs TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2166221249Stuexen if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2167166675Srrs size += sizeof(struct sockaddr_in6); 2168166675Srrs } else { 2169221249Stuexen switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) { 2170221249Stuexen#ifdef INET 2171221249Stuexen case AF_INET: 2172221249Stuexen size += sizeof(struct sockaddr_in); 2173221249Stuexen break; 2174221249Stuexen#endif 2175221249Stuexen#ifdef INET6 2176221249Stuexen case AF_INET6: 2177221249Stuexen size += sizeof(struct sockaddr_in6); 2178221249Stuexen break; 2179221249Stuexen#endif 2180221249Stuexen default: 2181221249Stuexen break; 2182221249Stuexen } 2183166675Srrs } 2184163953Srrs } 2185166675Srrs SCTP_TCB_UNLOCK(stcb); 2186166675Srrs *value = (uint32_t) size; 2187166675Srrs } else { 2188171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 2189166675Srrs error = ENOTCONN; 2190163953Srrs } 2191166675Srrs *optsize = sizeof(uint32_t); 2192163953Srrs } 2193163953Srrs break; 2194163953Srrs case SCTP_GET_PEER_ADDRESSES: 2195163953Srrs /* 2196163953Srrs * Get the address information, an array is passed in to 2197163953Srrs * fill up we pack it. 2198163953Srrs */ 2199163953Srrs { 2200166675Srrs size_t cpsz, left; 2201163953Srrs struct sockaddr_storage *sas; 2202163953Srrs struct sctp_nets *net; 2203163953Srrs struct sctp_getaddresses *saddr; 2204163953Srrs 2205166675Srrs SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2206166675Srrs SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2207163953Srrs 2208166675Srrs if (stcb) { 2209166675Srrs left = (*optsize) - sizeof(struct sctp_getaddresses); 2210166675Srrs *optsize = sizeof(struct sctp_getaddresses); 2211166675Srrs sas = (struct sockaddr_storage *)&saddr->addr[0]; 2212166675Srrs 2213166675Srrs TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2214221249Stuexen if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2215166675Srrs cpsz = sizeof(struct sockaddr_in6); 2216166675Srrs } else { 2217221249Stuexen switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) { 2218221249Stuexen#ifdef INET 2219221249Stuexen case AF_INET: 2220221249Stuexen cpsz = sizeof(struct sockaddr_in); 2221221249Stuexen break; 2222221249Stuexen#endif 2223221249Stuexen#ifdef INET6 2224221249Stuexen case AF_INET6: 2225221249Stuexen cpsz = sizeof(struct sockaddr_in6); 2226221249Stuexen break; 2227221249Stuexen#endif 2228221249Stuexen default: 2229221249Stuexen cpsz = 0; 2230221249Stuexen break; 2231221249Stuexen } 2232221249Stuexen } 2233221249Stuexen if (cpsz == 0) { 2234166675Srrs break; 2235166675Srrs } 2236166675Srrs if (left < cpsz) { 2237166675Srrs /* not enough room. */ 2238166675Srrs break; 2239166675Srrs } 2240221249Stuexen#if defined(INET) && defined(INET6) 2241178251Srrs if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2242166675Srrs (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET)) { 2243166675Srrs /* Must map the address */ 2244166675Srrs in6_sin_2_v4mapsin6((struct sockaddr_in *)&net->ro._l_addr, 2245166675Srrs (struct sockaddr_in6 *)sas); 2246166675Srrs } else { 2247178251Srrs#endif 2248166675Srrs memcpy(sas, &net->ro._l_addr, cpsz); 2249221249Stuexen#if defined(INET) && defined(INET6) 2250166675Srrs } 2251178251Srrs#endif 2252166675Srrs ((struct sockaddr_in *)sas)->sin_port = stcb->rport; 2253166675Srrs 2254166675Srrs sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz); 2255166675Srrs left -= cpsz; 2256166675Srrs *optsize += cpsz; 2257163953Srrs } 2258166675Srrs SCTP_TCB_UNLOCK(stcb); 2259166675Srrs } else { 2260171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2261166675Srrs error = ENOENT; 2262163953Srrs } 2263163953Srrs } 2264163953Srrs break; 2265163953Srrs case SCTP_GET_LOCAL_ADDRESSES: 2266163953Srrs { 2267166675Srrs size_t limit, actual; 2268163953Srrs struct sockaddr_storage *sas; 2269163953Srrs struct sctp_getaddresses *saddr; 2270163953Srrs 2271166675Srrs SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2272166675Srrs SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2273163953Srrs 2274163953Srrs sas = (struct sockaddr_storage *)&saddr->addr[0]; 2275166675Srrs limit = *optsize - sizeof(sctp_assoc_t); 2276168124Srrs actual = sctp_fill_up_addresses(inp, stcb, limit, sas); 2277169655Srrs if (stcb) { 2278163953Srrs SCTP_TCB_UNLOCK(stcb); 2279169655Srrs } 2280166675Srrs *optsize = sizeof(struct sockaddr_storage) + actual; 2281163953Srrs } 2282163953Srrs break; 2283163953Srrs case SCTP_PEER_ADDR_PARAMS: 2284163953Srrs { 2285163953Srrs struct sctp_paddrparams *paddrp; 2286163953Srrs struct sctp_nets *net; 2287163953Srrs 2288166675Srrs SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2289166675Srrs SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2290163953Srrs 2291163953Srrs net = NULL; 2292166675Srrs if (stcb) { 2293166675Srrs net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 2294166675Srrs } else { 2295166675Srrs /* 2296166675Srrs * We increment here since 2297166675Srrs * sctp_findassociation_ep_addr() wil do a 2298166675Srrs * decrement if it finds the stcb as long as 2299166675Srrs * the locked tcb (last argument) is NOT a 2300166675Srrs * TCB.. aka NULL. 2301166675Srrs */ 2302166675Srrs SCTP_INP_INCR_REF(inp); 2303166675Srrs stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddrp->spp_address, &net, NULL, NULL); 2304163953Srrs if (stcb == NULL) { 2305166675Srrs SCTP_INP_DECR_REF(inp); 2306163953Srrs } 2307163953Srrs } 2308171943Srrs if (stcb && (net == NULL)) { 2309171943Srrs struct sockaddr *sa; 2310163953Srrs 2311171943Srrs sa = (struct sockaddr *)&paddrp->spp_address; 2312221249Stuexen#ifdef INET 2313171943Srrs if (sa->sa_family == AF_INET) { 2314171943Srrs struct sockaddr_in *sin; 2315171943Srrs 2316171943Srrs sin = (struct sockaddr_in *)sa; 2317171943Srrs if (sin->sin_addr.s_addr) { 2318171943Srrs error = EINVAL; 2319171943Srrs SCTP_TCB_UNLOCK(stcb); 2320171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2321171943Srrs break; 2322171943Srrs } 2323221249Stuexen } else 2324221249Stuexen#endif 2325221249Stuexen#ifdef INET6 2326221249Stuexen if (sa->sa_family == AF_INET6) { 2327171943Srrs struct sockaddr_in6 *sin6; 2328171943Srrs 2329171943Srrs sin6 = (struct sockaddr_in6 *)sa; 2330171943Srrs if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2331171943Srrs error = EINVAL; 2332171943Srrs SCTP_TCB_UNLOCK(stcb); 2333171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2334171943Srrs break; 2335171943Srrs } 2336221249Stuexen } else 2337221249Stuexen#endif 2338221249Stuexen { 2339171943Srrs error = EAFNOSUPPORT; 2340171943Srrs SCTP_TCB_UNLOCK(stcb); 2341171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2342171943Srrs break; 2343171943Srrs } 2344171943Srrs } 2345163953Srrs if (stcb) { 2346163953Srrs /* Applys to the specific association */ 2347163953Srrs paddrp->spp_flags = 0; 2348163953Srrs if (net) { 2349170056Srrs int ovh; 2350170056Srrs 2351170056Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2352170056Srrs ovh = SCTP_MED_OVERHEAD; 2353170056Srrs } else { 2354170056Srrs ovh = SCTP_MED_V4_OVERHEAD; 2355170056Srrs } 2356170056Srrs 2357170056Srrs 2358163953Srrs paddrp->spp_pathmaxrxt = net->failure_threshold; 2359170056Srrs paddrp->spp_pathmtu = net->mtu - ovh; 2360163953Srrs /* get flags for HB */ 2361163953Srrs if (net->dest_state & SCTP_ADDR_NOHB) 2362163953Srrs paddrp->spp_flags |= SPP_HB_DISABLE; 2363163953Srrs else 2364163953Srrs paddrp->spp_flags |= SPP_HB_ENABLE; 2365163953Srrs /* get flags for PMTU */ 2366165647Srrs if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 2367163953Srrs paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2368163953Srrs } else { 2369163953Srrs paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2370163953Srrs } 2371167598Srrs#ifdef INET 2372163953Srrs if (net->ro._l_addr.sin.sin_family == AF_INET) { 2373163953Srrs paddrp->spp_ipv4_tos = net->tos_flowlabel & 0x000000fc; 2374163953Srrs paddrp->spp_flags |= SPP_IPV4_TOS; 2375163953Srrs } 2376163953Srrs#endif 2377167598Srrs#ifdef INET6 2378163953Srrs if (net->ro._l_addr.sin6.sin6_family == AF_INET6) { 2379163953Srrs paddrp->spp_ipv6_flowlabel = net->tos_flowlabel; 2380163953Srrs paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2381163953Srrs } 2382163953Srrs#endif 2383163953Srrs } else { 2384163953Srrs /* 2385163953Srrs * No destination so return default 2386163953Srrs * value 2387163953Srrs */ 2388170056Srrs int cnt = 0; 2389170056Srrs 2390163953Srrs paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2391163953Srrs paddrp->spp_pathmtu = sctp_get_frag_point(stcb, &stcb->asoc); 2392167598Srrs#ifdef INET 2393163953Srrs paddrp->spp_ipv4_tos = stcb->asoc.default_tos & 0x000000fc; 2394163953Srrs paddrp->spp_flags |= SPP_IPV4_TOS; 2395163953Srrs#endif 2396167598Srrs#ifdef INET6 2397163953Srrs paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel; 2398163953Srrs paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2399163953Srrs#endif 2400163953Srrs /* default settings should be these */ 2401170056Srrs if (stcb->asoc.hb_is_disabled == 0) { 2402163953Srrs paddrp->spp_flags |= SPP_HB_ENABLE; 2403170056Srrs } else { 2404170056Srrs paddrp->spp_flags |= SPP_HB_DISABLE; 2405163953Srrs } 2406170056Srrs TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2407170056Srrs if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 2408170056Srrs cnt++; 2409170056Srrs } 2410170056Srrs } 2411170056Srrs if (cnt) { 2412170056Srrs paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2413170056Srrs } 2414163953Srrs } 2415163953Srrs paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2416163953Srrs paddrp->spp_assoc_id = sctp_get_associd(stcb); 2417163953Srrs SCTP_TCB_UNLOCK(stcb); 2418163953Srrs } else { 2419163953Srrs /* Use endpoint defaults */ 2420163953Srrs SCTP_INP_RLOCK(inp); 2421163953Srrs paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2422163953Srrs paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2423163953Srrs paddrp->spp_assoc_id = (sctp_assoc_t) 0; 2424163953Srrs /* get inp's default */ 2425167598Srrs#ifdef INET 2426163953Srrs paddrp->spp_ipv4_tos = inp->ip_inp.inp.inp_ip_tos; 2427163953Srrs paddrp->spp_flags |= SPP_IPV4_TOS; 2428163953Srrs#endif 2429167598Srrs#ifdef INET6 2430163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2431163953Srrs paddrp->spp_ipv6_flowlabel = ((struct in6pcb *)inp)->in6p_flowinfo; 2432163953Srrs paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2433163953Srrs } 2434163953Srrs#endif 2435163953Srrs /* can't return this */ 2436163953Srrs paddrp->spp_pathmtu = 0; 2437170056Srrs 2438163953Srrs /* default behavior, no stcb */ 2439170056Srrs paddrp->spp_flags = SPP_PMTUD_ENABLE; 2440163953Srrs 2441170056Srrs if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2442170056Srrs paddrp->spp_flags |= SPP_HB_ENABLE; 2443170056Srrs } else { 2444170056Srrs paddrp->spp_flags |= SPP_HB_DISABLE; 2445170056Srrs } 2446163953Srrs SCTP_INP_RUNLOCK(inp); 2447163953Srrs } 2448166675Srrs *optsize = sizeof(struct sctp_paddrparams); 2449163953Srrs } 2450163953Srrs break; 2451163953Srrs case SCTP_GET_PEER_ADDR_INFO: 2452163953Srrs { 2453163953Srrs struct sctp_paddrinfo *paddri; 2454163953Srrs struct sctp_nets *net; 2455163953Srrs 2456166675Srrs SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2457166675Srrs SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2458166675Srrs 2459163953Srrs net = NULL; 2460166675Srrs if (stcb) { 2461166675Srrs net = sctp_findnet(stcb, (struct sockaddr *)&paddri->spinfo_address); 2462166675Srrs } else { 2463166675Srrs /* 2464166675Srrs * We increment here since 2465166675Srrs * sctp_findassociation_ep_addr() wil do a 2466166675Srrs * decrement if it finds the stcb as long as 2467166675Srrs * the locked tcb (last argument) is NOT a 2468166675Srrs * TCB.. aka NULL. 2469166675Srrs */ 2470166675Srrs SCTP_INP_INCR_REF(inp); 2471166675Srrs stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddri->spinfo_address, &net, NULL, NULL); 2472166675Srrs if (stcb == NULL) { 2473166675Srrs SCTP_INP_DECR_REF(inp); 2474163953Srrs } 2475166675Srrs } 2476163953Srrs 2477166675Srrs if ((stcb) && (net)) { 2478217635Srrs if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2479217638Stuexen /* It's unconfirmed */ 2480217635Srrs paddri->spinfo_state = SCTP_UNCONFIRMED; 2481217635Srrs } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2482217638Stuexen /* It's active */ 2483217635Srrs paddri->spinfo_state = SCTP_ACTIVE; 2484217635Srrs } else { 2485217638Stuexen /* It's inactive */ 2486217635Srrs paddri->spinfo_state = SCTP_INACTIVE; 2487217635Srrs } 2488166675Srrs paddri->spinfo_cwnd = net->cwnd; 2489219014Stuexen paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2490166675Srrs paddri->spinfo_rto = net->RTO; 2491166675Srrs paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2492166675Srrs SCTP_TCB_UNLOCK(stcb); 2493163953Srrs } else { 2494163953Srrs if (stcb) { 2495163953Srrs SCTP_TCB_UNLOCK(stcb); 2496163953Srrs } 2497171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2498163953Srrs error = ENOENT; 2499163953Srrs } 2500166675Srrs *optsize = sizeof(struct sctp_paddrinfo); 2501163953Srrs } 2502163953Srrs break; 2503163953Srrs case SCTP_PCB_STATUS: 2504163953Srrs { 2505163953Srrs struct sctp_pcbinfo *spcb; 2506163953Srrs 2507166675Srrs SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2508163953Srrs sctp_fill_pcbinfo(spcb); 2509166675Srrs *optsize = sizeof(struct sctp_pcbinfo); 2510163953Srrs } 2511163953Srrs break; 2512167598Srrs 2513163953Srrs case SCTP_STATUS: 2514163953Srrs { 2515163953Srrs struct sctp_nets *net; 2516163953Srrs struct sctp_status *sstat; 2517163953Srrs 2518166675Srrs SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2519166675Srrs SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2520163953Srrs 2521163953Srrs if (stcb == NULL) { 2522171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2523163953Srrs error = EINVAL; 2524163953Srrs break; 2525163953Srrs } 2526163953Srrs /* 2527163953Srrs * I think passing the state is fine since 2528163953Srrs * sctp_constants.h will be available to the user 2529163953Srrs * land. 2530163953Srrs */ 2531163953Srrs sstat->sstat_state = stcb->asoc.state; 2532173179Srrs sstat->sstat_assoc_id = sctp_get_associd(stcb); 2533163953Srrs sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2534163953Srrs sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2535163953Srrs /* 2536163953Srrs * We can't include chunks that have been passed to 2537163953Srrs * the socket layer. Only things in queue. 2538163953Srrs */ 2539163953Srrs sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2540163953Srrs stcb->asoc.cnt_on_all_streams); 2541163953Srrs 2542163953Srrs 2543163953Srrs sstat->sstat_instrms = stcb->asoc.streamincnt; 2544163953Srrs sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2545163953Srrs sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc); 2546163953Srrs memcpy(&sstat->sstat_primary.spinfo_address, 2547163953Srrs &stcb->asoc.primary_destination->ro._l_addr, 2548163953Srrs ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len); 2549163953Srrs net = stcb->asoc.primary_destination; 2550163953Srrs ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2551163953Srrs /* 2552163953Srrs * Again the user can get info from sctp_constants.h 2553163953Srrs * for what the state of the network is. 2554163953Srrs */ 2555217635Srrs if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2556217635Srrs /* It's unconfirmed */ 2557217635Srrs sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2558217635Srrs } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2559217638Stuexen /* It's active */ 2560217635Srrs sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2561217635Srrs } else { 2562217638Stuexen /* It's inactive */ 2563217635Srrs sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2564217635Srrs } 2565163953Srrs sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2566219014Stuexen sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2567163953Srrs sstat->sstat_primary.spinfo_rto = net->RTO; 2568163953Srrs sstat->sstat_primary.spinfo_mtu = net->mtu; 2569163953Srrs sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2570163953Srrs SCTP_TCB_UNLOCK(stcb); 2571166675Srrs *optsize = sizeof(*sstat); 2572163953Srrs } 2573163953Srrs break; 2574163953Srrs case SCTP_RTOINFO: 2575163953Srrs { 2576163953Srrs struct sctp_rtoinfo *srto; 2577163953Srrs 2578166675Srrs SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2579166675Srrs SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2580166675Srrs 2581166675Srrs if (stcb) { 2582166675Srrs srto->srto_initial = stcb->asoc.initial_rto; 2583166675Srrs srto->srto_max = stcb->asoc.maxrto; 2584166675Srrs srto->srto_min = stcb->asoc.minrto; 2585166675Srrs SCTP_TCB_UNLOCK(stcb); 2586166675Srrs } else { 2587163953Srrs SCTP_INP_RLOCK(inp); 2588163953Srrs srto->srto_initial = inp->sctp_ep.initial_rto; 2589163953Srrs srto->srto_max = inp->sctp_ep.sctp_maxrto; 2590163953Srrs srto->srto_min = inp->sctp_ep.sctp_minrto; 2591163953Srrs SCTP_INP_RUNLOCK(inp); 2592163953Srrs } 2593166675Srrs *optsize = sizeof(*srto); 2594163953Srrs } 2595163953Srrs break; 2596215410Stuexen case SCTP_TIMEOUTS: 2597215410Stuexen { 2598215410Stuexen struct sctp_timeouts *stimo; 2599215410Stuexen 2600215410Stuexen SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2601215410Stuexen SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2602215410Stuexen 2603215410Stuexen if (stcb) { 2604215410Stuexen stimo->stimo_init = stcb->asoc.timoinit; 2605215410Stuexen stimo->stimo_data = stcb->asoc.timodata; 2606215410Stuexen stimo->stimo_sack = stcb->asoc.timosack; 2607215410Stuexen stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2608215410Stuexen stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2609215410Stuexen stimo->stimo_cookie = stcb->asoc.timocookie; 2610215410Stuexen stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2611215410Stuexen SCTP_TCB_UNLOCK(stcb); 2612215410Stuexen } else { 2613215410Stuexen SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2614215410Stuexen error = EINVAL; 2615215410Stuexen } 2616215410Stuexen *optsize = sizeof(*stimo); 2617215410Stuexen } 2618215410Stuexen break; 2619163953Srrs case SCTP_ASSOCINFO: 2620163953Srrs { 2621163953Srrs struct sctp_assocparams *sasoc; 2622171477Srrs uint32_t oldval; 2623163953Srrs 2624166675Srrs SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2625166675Srrs SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2626163953Srrs 2627163953Srrs if (stcb) { 2628171477Srrs oldval = sasoc->sasoc_cookie_life; 2629171477Srrs sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life); 2630163953Srrs sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2631163953Srrs sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2632163953Srrs sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2633163953Srrs sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2634163953Srrs SCTP_TCB_UNLOCK(stcb); 2635163953Srrs } else { 2636163953Srrs SCTP_INP_RLOCK(inp); 2637171477Srrs sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life); 2638163953Srrs sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2639163953Srrs sasoc->sasoc_number_peer_destinations = 0; 2640163953Srrs sasoc->sasoc_peer_rwnd = 0; 2641163953Srrs sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv); 2642163953Srrs SCTP_INP_RUNLOCK(inp); 2643163953Srrs } 2644166675Srrs *optsize = sizeof(*sasoc); 2645163953Srrs } 2646163953Srrs break; 2647163953Srrs case SCTP_DEFAULT_SEND_PARAM: 2648163953Srrs { 2649163953Srrs struct sctp_sndrcvinfo *s_info; 2650163953Srrs 2651166675Srrs SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2652166675Srrs SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2653166675Srrs 2654166675Srrs if (stcb) { 2655170056Srrs memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2656166675Srrs SCTP_TCB_UNLOCK(stcb); 2657166675Srrs } else { 2658163953Srrs SCTP_INP_RLOCK(inp); 2659170056Srrs memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2660163953Srrs SCTP_INP_RUNLOCK(inp); 2661163953Srrs } 2662166675Srrs *optsize = sizeof(*s_info); 2663163953Srrs } 2664163953Srrs break; 2665163953Srrs case SCTP_INITMSG: 2666163953Srrs { 2667163953Srrs struct sctp_initmsg *sinit; 2668163953Srrs 2669166675Srrs SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2670163953Srrs SCTP_INP_RLOCK(inp); 2671163953Srrs sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2672163953Srrs sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2673163953Srrs sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2674163953Srrs sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2675163953Srrs SCTP_INP_RUNLOCK(inp); 2676166675Srrs *optsize = sizeof(*sinit); 2677163953Srrs } 2678163953Srrs break; 2679163953Srrs case SCTP_PRIMARY_ADDR: 2680163953Srrs /* we allow a "get" operation on this */ 2681163953Srrs { 2682163953Srrs struct sctp_setprim *ssp; 2683163953Srrs 2684166675Srrs SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2685166675Srrs SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2686166675Srrs 2687166675Srrs if (stcb) { 2688166675Srrs /* simply copy out the sockaddr_storage... */ 2689170056Srrs int len; 2690170056Srrs 2691170056Srrs len = *optsize; 2692170056Srrs if (len > stcb->asoc.primary_destination->ro._l_addr.sa.sa_len) 2693170056Srrs len = stcb->asoc.primary_destination->ro._l_addr.sa.sa_len; 2694170056Srrs 2695170056Srrs memcpy(&ssp->ssp_addr, 2696170056Srrs &stcb->asoc.primary_destination->ro._l_addr, 2697170056Srrs len); 2698166675Srrs SCTP_TCB_UNLOCK(stcb); 2699166675Srrs } else { 2700171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2701163953Srrs error = EINVAL; 2702163953Srrs } 2703166675Srrs *optsize = sizeof(*ssp); 2704163953Srrs } 2705163953Srrs break; 2706163953Srrs 2707163953Srrs case SCTP_HMAC_IDENT: 2708163953Srrs { 2709163953Srrs struct sctp_hmacalgo *shmac; 2710163953Srrs sctp_hmaclist_t *hmaclist; 2711163953Srrs uint32_t size; 2712163953Srrs int i; 2713163953Srrs 2714166675Srrs SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2715166675Srrs 2716163953Srrs SCTP_INP_RLOCK(inp); 2717163953Srrs hmaclist = inp->sctp_ep.local_hmacs; 2718163953Srrs if (hmaclist == NULL) { 2719163953Srrs /* no HMACs to return */ 2720166675Srrs *optsize = sizeof(*shmac); 2721168299Srrs SCTP_INP_RUNLOCK(inp); 2722163953Srrs break; 2723163953Srrs } 2724163953Srrs /* is there room for all of the hmac ids? */ 2725163953Srrs size = sizeof(*shmac) + (hmaclist->num_algo * 2726163953Srrs sizeof(shmac->shmac_idents[0])); 2727166675Srrs if ((size_t)(*optsize) < size) { 2728171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2729163953Srrs error = EINVAL; 2730163953Srrs SCTP_INP_RUNLOCK(inp); 2731163953Srrs break; 2732163953Srrs } 2733163953Srrs /* copy in the list */ 2734181054Srrs shmac->shmac_number_of_idents = hmaclist->num_algo; 2735181054Srrs for (i = 0; i < hmaclist->num_algo; i++) { 2736163953Srrs shmac->shmac_idents[i] = hmaclist->hmac[i]; 2737181054Srrs } 2738163953Srrs SCTP_INP_RUNLOCK(inp); 2739166675Srrs *optsize = size; 2740163953Srrs break; 2741163953Srrs } 2742163953Srrs case SCTP_AUTH_ACTIVE_KEY: 2743163953Srrs { 2744163953Srrs struct sctp_authkeyid *scact; 2745163953Srrs 2746166675Srrs SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2747166675Srrs SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2748166675Srrs 2749166675Srrs if (stcb) { 2750163953Srrs /* get the active key on the assoc */ 2751185694Srrs scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2752163953Srrs SCTP_TCB_UNLOCK(stcb); 2753163953Srrs } else { 2754163953Srrs /* get the endpoint active key */ 2755163953Srrs SCTP_INP_RLOCK(inp); 2756163953Srrs scact->scact_keynumber = inp->sctp_ep.default_keyid; 2757163953Srrs SCTP_INP_RUNLOCK(inp); 2758163953Srrs } 2759166675Srrs *optsize = sizeof(*scact); 2760163953Srrs break; 2761163953Srrs } 2762163953Srrs case SCTP_LOCAL_AUTH_CHUNKS: 2763163953Srrs { 2764163953Srrs struct sctp_authchunks *sac; 2765163953Srrs sctp_auth_chklist_t *chklist = NULL; 2766166675Srrs size_t size = 0; 2767163953Srrs 2768166675Srrs SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2769166675Srrs SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2770166675Srrs 2771166675Srrs if (stcb) { 2772163953Srrs /* get off the assoc */ 2773163953Srrs chklist = stcb->asoc.local_auth_chunks; 2774163953Srrs /* is there enough space? */ 2775163953Srrs size = sctp_auth_get_chklist_size(chklist); 2776166675Srrs if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2777163953Srrs error = EINVAL; 2778171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2779166675Srrs } else { 2780166675Srrs /* copy in the chunks */ 2781169420Srrs (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2782163953Srrs } 2783163953Srrs SCTP_TCB_UNLOCK(stcb); 2784163953Srrs } else { 2785163953Srrs /* get off the endpoint */ 2786163953Srrs SCTP_INP_RLOCK(inp); 2787163953Srrs chklist = inp->sctp_ep.local_auth_chunks; 2788163953Srrs /* is there enough space? */ 2789163953Srrs size = sctp_auth_get_chklist_size(chklist); 2790166675Srrs if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2791163953Srrs error = EINVAL; 2792171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2793166675Srrs } else { 2794166675Srrs /* copy in the chunks */ 2795169420Srrs (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2796163953Srrs } 2797163953Srrs SCTP_INP_RUNLOCK(inp); 2798163953Srrs } 2799166675Srrs *optsize = sizeof(struct sctp_authchunks) + size; 2800163953Srrs break; 2801163953Srrs } 2802163953Srrs case SCTP_PEER_AUTH_CHUNKS: 2803163953Srrs { 2804163953Srrs struct sctp_authchunks *sac; 2805163953Srrs sctp_auth_chklist_t *chklist = NULL; 2806166675Srrs size_t size = 0; 2807163953Srrs 2808166675Srrs SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2809166675Srrs SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2810166675Srrs 2811166675Srrs if (stcb) { 2812166675Srrs /* get off the assoc */ 2813166675Srrs chklist = stcb->asoc.peer_auth_chunks; 2814166675Srrs /* is there enough space? */ 2815166675Srrs size = sctp_auth_get_chklist_size(chklist); 2816166675Srrs if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2817166675Srrs error = EINVAL; 2818171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2819166675Srrs } else { 2820166675Srrs /* copy in the chunks */ 2821169420Srrs (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2822166675Srrs } 2823166675Srrs SCTP_TCB_UNLOCK(stcb); 2824166675Srrs } else { 2825171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2826163953Srrs error = ENOENT; 2827163953Srrs } 2828166675Srrs *optsize = sizeof(struct sctp_authchunks) + size; 2829163953Srrs break; 2830163953Srrs } 2831163953Srrs 2832163953Srrs 2833163953Srrs default: 2834171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 2835163953Srrs error = ENOPROTOOPT; 2836166675Srrs *optsize = 0; 2837163953Srrs break; 2838163953Srrs } /* end switch (sopt->sopt_name) */ 2839163953Srrs return (error); 2840163953Srrs} 2841163953Srrs 2842163953Srrsstatic int 2843166675Srrssctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 2844166675Srrs void *p) 2845163953Srrs{ 2846166675Srrs int error, set_opt; 2847166675Srrs uint32_t *mopt; 2848163953Srrs struct sctp_tcb *stcb = NULL; 2849171943Srrs struct sctp_inpcb *inp = NULL; 2850167598Srrs uint32_t vrf_id; 2851163953Srrs 2852166675Srrs if (optval == NULL) { 2853169420Srrs SCTP_PRINTF("optval is NULL\n"); 2854171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2855163953Srrs return (EINVAL); 2856163953Srrs } 2857163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 2858167598Srrs if (inp == 0) { 2859169420Srrs SCTP_PRINTF("inp is NULL?\n"); 2860171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2861163953Srrs return EINVAL; 2862167598Srrs } 2863168299Srrs vrf_id = inp->def_vrf_id; 2864163953Srrs 2865163953Srrs error = 0; 2866166675Srrs switch (optname) { 2867163953Srrs case SCTP_NODELAY: 2868163953Srrs case SCTP_AUTOCLOSE: 2869163953Srrs case SCTP_AUTO_ASCONF: 2870163953Srrs case SCTP_EXPLICIT_EOR: 2871163953Srrs case SCTP_DISABLE_FRAGMENTS: 2872163953Srrs case SCTP_USE_EXT_RCVINFO: 2873163953Srrs case SCTP_I_WANT_MAPPED_V4_ADDR: 2874163953Srrs /* copy in the option value */ 2875166675Srrs SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 2876163953Srrs set_opt = 0; 2877163953Srrs if (error) 2878163953Srrs break; 2879166675Srrs switch (optname) { 2880163953Srrs case SCTP_DISABLE_FRAGMENTS: 2881163953Srrs set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 2882163953Srrs break; 2883163953Srrs case SCTP_AUTO_ASCONF: 2884171943Srrs /* 2885171943Srrs * NOTE: we don't really support this flag 2886171943Srrs */ 2887171943Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 2888171943Srrs /* only valid for bound all sockets */ 2889171943Srrs set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 2890171943Srrs } else { 2891171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2892171943Srrs return (EINVAL); 2893171943Srrs } 2894163953Srrs break; 2895163953Srrs case SCTP_EXPLICIT_EOR: 2896163953Srrs set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 2897163953Srrs break; 2898163953Srrs case SCTP_USE_EXT_RCVINFO: 2899163953Srrs set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 2900163953Srrs break; 2901163953Srrs case SCTP_I_WANT_MAPPED_V4_ADDR: 2902163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 2903163953Srrs set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 2904163953Srrs } else { 2905171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2906163953Srrs return (EINVAL); 2907163953Srrs } 2908163953Srrs break; 2909163953Srrs case SCTP_NODELAY: 2910163953Srrs set_opt = SCTP_PCB_FLAGS_NODELAY; 2911163953Srrs break; 2912163953Srrs case SCTP_AUTOCLOSE: 2913170056Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2914170056Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 2915171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2916170056Srrs return (EINVAL); 2917170056Srrs } 2918163953Srrs set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 2919163953Srrs /* 2920163953Srrs * The value is in ticks. Note this does not effect 2921163953Srrs * old associations, only new ones. 2922163953Srrs */ 2923163953Srrs inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt); 2924163953Srrs break; 2925163953Srrs } 2926163953Srrs SCTP_INP_WLOCK(inp); 2927163953Srrs if (*mopt != 0) { 2928163953Srrs sctp_feature_on(inp, set_opt); 2929163953Srrs } else { 2930163953Srrs sctp_feature_off(inp, set_opt); 2931163953Srrs } 2932163953Srrs SCTP_INP_WUNLOCK(inp); 2933163953Srrs break; 2934181054Srrs case SCTP_REUSE_PORT: 2935181054Srrs { 2936181054Srrs SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 2937181054Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 2938181054Srrs /* Can't set it after we are bound */ 2939181054Srrs error = EINVAL; 2940181054Srrs break; 2941181054Srrs } 2942181054Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 2943181054Srrs /* Can't do this for a 1-m socket */ 2944181054Srrs error = EINVAL; 2945181054Srrs break; 2946181054Srrs } 2947181054Srrs if (optval) 2948181054Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 2949181054Srrs else 2950181054Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 2951181054Srrs } 2952181054Srrs break; 2953163953Srrs case SCTP_PARTIAL_DELIVERY_POINT: 2954163953Srrs { 2955166675Srrs uint32_t *value; 2956166675Srrs 2957166675Srrs SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 2958167736Srrs if (*value > SCTP_SB_LIMIT_RCV(so)) { 2959171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2960167736Srrs error = EINVAL; 2961167736Srrs break; 2962167736Srrs } 2963166675Srrs inp->partial_delivery_point = *value; 2964163953Srrs } 2965163953Srrs break; 2966163953Srrs case SCTP_FRAGMENT_INTERLEAVE: 2967163953Srrs /* not yet until we re-write sctp_recvmsg() */ 2968163953Srrs { 2969168943Srrs uint32_t *level; 2970163953Srrs 2971168943Srrs SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 2972168943Srrs if (*level == SCTP_FRAG_LEVEL_2) { 2973163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 2974168943Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 2975168943Srrs } else if (*level == SCTP_FRAG_LEVEL_1) { 2976168943Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 2977168943Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 2978168943Srrs } else if (*level == SCTP_FRAG_LEVEL_0) { 2979170056Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 2980168943Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 2981168943Srrs 2982163953Srrs } else { 2983171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2984168943Srrs error = EINVAL; 2985163953Srrs } 2986163953Srrs } 2987163953Srrs break; 2988163953Srrs case SCTP_CMT_ON_OFF: 2989211944Stuexen if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 2990163953Srrs struct sctp_assoc_value *av; 2991163953Srrs 2992166675Srrs SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 2993211944Stuexen SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2994211944Stuexen if (stcb) { 2995216669Stuexen stcb->asoc.sctp_cmt_on_off = av->assoc_value; 2996216669Stuexen if (stcb->asoc.sctp_cmt_on_off > 2) { 2997216669Stuexen stcb->asoc.sctp_cmt_on_off = 2; 2998216669Stuexen } 2999211944Stuexen SCTP_TCB_UNLOCK(stcb); 3000166675Srrs } else { 3001211944Stuexen SCTP_INP_WLOCK(inp); 3002216669Stuexen inp->sctp_cmt_on_off = av->assoc_value; 3003216669Stuexen if (inp->sctp_cmt_on_off > 2) { 3004216669Stuexen inp->sctp_cmt_on_off = 2; 3005216669Stuexen } 3006211944Stuexen SCTP_INP_WUNLOCK(inp); 3007163953Srrs } 3008211944Stuexen } else { 3009211944Stuexen SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3010211944Stuexen error = ENOPROTOOPT; 3011163953Srrs } 3012163953Srrs break; 3013171440Srrs /* JRS - Set socket option for pluggable congestion control */ 3014171440Srrs case SCTP_PLUGGABLE_CC: 3015171440Srrs { 3016171440Srrs struct sctp_assoc_value *av; 3017219057Srrs struct sctp_nets *net; 3018171440Srrs 3019171440Srrs SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3020171440Srrs SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3021171440Srrs if (stcb) { 3022171440Srrs switch (av->assoc_value) { 3023171440Srrs case SCTP_CC_RFC2581: 3024171440Srrs case SCTP_CC_HSTCP: 3025171440Srrs case SCTP_CC_HTCP: 3026219120Srrs case SCTP_CC_RTCC: 3027217611Stuexen stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3028217611Stuexen stcb->asoc.congestion_control_module = av->assoc_value; 3029219057Srrs if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3030219057Srrs TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3031219057Srrs stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3032219057Srrs } 3033219057Srrs } 3034217611Stuexen break; 3035171440Srrs default: 3036217611Stuexen SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3037217611Stuexen error = EINVAL; 3038217611Stuexen break; 3039171440Srrs } 3040217611Stuexen SCTP_TCB_UNLOCK(stcb); 3041171440Srrs } else { 3042171440Srrs switch (av->assoc_value) { 3043171440Srrs case SCTP_CC_RFC2581: 3044171440Srrs case SCTP_CC_HSTCP: 3045171440Srrs case SCTP_CC_HTCP: 3046219120Srrs case SCTP_CC_RTCC: 3047217611Stuexen SCTP_INP_WLOCK(inp); 3048171440Srrs inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3049217611Stuexen SCTP_INP_WUNLOCK(inp); 3050171440Srrs break; 3051171440Srrs default: 3052171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3053171440Srrs error = EINVAL; 3054171440Srrs break; 3055217760Stuexen } 3056171440Srrs } 3057171440Srrs } 3058219120Srrs break; 3059219057Srrs case SCTP_CC_OPTION: 3060219057Srrs { 3061219057Srrs struct sctp_cc_option *cc_opt; 3062219057Srrs 3063219057Srrs SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 3064219057Srrs SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 3065219057Srrs if (stcb == NULL) { 3066219057Srrs error = EINVAL; 3067219057Srrs } else { 3068219057Srrs if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 3069219057Srrs error = ENOTSUP; 3070219057Srrs } else { 3071219057Srrs error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 3072219057Srrs cc_opt); 3073219057Srrs } 3074219057Srrs SCTP_TCB_UNLOCK(stcb); 3075219057Srrs } 3076219057Srrs } 3077171440Srrs break; 3078217760Stuexen /* RS - Set socket option for pluggable stream scheduling */ 3079217760Stuexen case SCTP_PLUGGABLE_SS: 3080217760Stuexen { 3081217760Stuexen struct sctp_assoc_value *av; 3082217760Stuexen 3083217760Stuexen SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3084217760Stuexen SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3085217760Stuexen if (stcb) { 3086217760Stuexen switch (av->assoc_value) { 3087217760Stuexen case SCTP_SS_DEFAULT: 3088217760Stuexen case SCTP_SS_ROUND_ROBIN: 3089217760Stuexen case SCTP_SS_ROUND_ROBIN_PACKET: 3090217760Stuexen case SCTP_SS_PRIORITY: 3091217760Stuexen case SCTP_SS_FAIR_BANDWITH: 3092217760Stuexen case SCTP_SS_FIRST_COME: 3093217760Stuexen stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1); 3094217760Stuexen stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 3095217760Stuexen stcb->asoc.stream_scheduling_module = av->assoc_value; 3096217760Stuexen stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 3097217760Stuexen break; 3098217760Stuexen default: 3099217760Stuexen SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3100217760Stuexen error = EINVAL; 3101217760Stuexen break; 3102217760Stuexen } 3103217760Stuexen SCTP_TCB_UNLOCK(stcb); 3104217760Stuexen } else { 3105217760Stuexen switch (av->assoc_value) { 3106217760Stuexen case SCTP_SS_DEFAULT: 3107217760Stuexen case SCTP_SS_ROUND_ROBIN: 3108217760Stuexen case SCTP_SS_ROUND_ROBIN_PACKET: 3109217760Stuexen case SCTP_SS_PRIORITY: 3110217760Stuexen case SCTP_SS_FAIR_BANDWITH: 3111217760Stuexen case SCTP_SS_FIRST_COME: 3112217760Stuexen SCTP_INP_WLOCK(inp); 3113217760Stuexen inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 3114217760Stuexen SCTP_INP_WUNLOCK(inp); 3115217760Stuexen break; 3116217760Stuexen default: 3117217760Stuexen SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3118217760Stuexen error = EINVAL; 3119217760Stuexen break; 3120217760Stuexen } 3121217760Stuexen } 3122217760Stuexen } 3123217760Stuexen break; 3124217760Stuexen case SCTP_SS_VALUE: 3125217760Stuexen { 3126217760Stuexen struct sctp_stream_value *av; 3127217760Stuexen 3128217760Stuexen SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 3129217760Stuexen SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3130217760Stuexen if (stcb) { 3131217760Stuexen if (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 3132217760Stuexen av->stream_value) < 0) { 3133217760Stuexen SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3134217760Stuexen error = EINVAL; 3135217760Stuexen } 3136217760Stuexen SCTP_TCB_UNLOCK(stcb); 3137217760Stuexen } else { 3138217760Stuexen /* 3139217760Stuexen * Can't set stream value without 3140217760Stuexen * association 3141217760Stuexen */ 3142217760Stuexen SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3143217760Stuexen error = EINVAL; 3144217760Stuexen } 3145217760Stuexen } 3146217760Stuexen break; 3147163953Srrs case SCTP_CLR_STAT_LOG: 3148171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3149163953Srrs error = EOPNOTSUPP; 3150163953Srrs break; 3151163953Srrs case SCTP_CONTEXT: 3152163953Srrs { 3153163953Srrs struct sctp_assoc_value *av; 3154163953Srrs 3155166675Srrs SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3156166675Srrs SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3157166675Srrs 3158166675Srrs if (stcb) { 3159166675Srrs stcb->asoc.context = av->assoc_value; 3160166675Srrs SCTP_TCB_UNLOCK(stcb); 3161163953Srrs } else { 3162166675Srrs SCTP_INP_WLOCK(inp); 3163163953Srrs inp->sctp_context = av->assoc_value; 3164166675Srrs SCTP_INP_WUNLOCK(inp); 3165163953Srrs } 3166163953Srrs } 3167163953Srrs break; 3168167598Srrs case SCTP_VRF_ID: 3169167598Srrs { 3170170056Srrs uint32_t *default_vrfid; 3171167598Srrs 3172170056Srrs SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 3173170056Srrs if (*default_vrfid > SCTP_MAX_VRF_ID) { 3174171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3175167598Srrs error = EINVAL; 3176167598Srrs break; 3177167598Srrs } 3178170056Srrs inp->def_vrf_id = *default_vrfid; 3179167598Srrs break; 3180167598Srrs } 3181167598Srrs case SCTP_DEL_VRF_ID: 3182167598Srrs { 3183171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3184167598Srrs error = EOPNOTSUPP; 3185167598Srrs break; 3186167598Srrs } 3187167598Srrs case SCTP_ADD_VRF_ID: 3188167598Srrs { 3189171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 3190167598Srrs error = EOPNOTSUPP; 3191167598Srrs break; 3192167598Srrs } 3193170056Srrs case SCTP_DELAYED_SACK: 3194163953Srrs { 3195170056Srrs struct sctp_sack_info *sack; 3196163953Srrs 3197170056Srrs SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 3198170056Srrs SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 3199171477Srrs if (sack->sack_delay) { 3200171477Srrs if (sack->sack_delay > SCTP_MAX_SACK_DELAY) 3201171477Srrs sack->sack_delay = SCTP_MAX_SACK_DELAY; 3202171477Srrs } 3203166675Srrs if (stcb) { 3204170056Srrs if (sack->sack_delay) { 3205170056Srrs if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 3206170056Srrs sack->sack_delay = TICKS_TO_MSEC(1); 3207170056Srrs } 3208170056Srrs stcb->asoc.delayed_ack = sack->sack_delay; 3209170056Srrs } 3210170056Srrs if (sack->sack_freq) { 3211170056Srrs stcb->asoc.sack_freq = sack->sack_freq; 3212170056Srrs } 3213166675Srrs SCTP_TCB_UNLOCK(stcb); 3214166675Srrs } else { 3215163953Srrs SCTP_INP_WLOCK(inp); 3216170056Srrs if (sack->sack_delay) { 3217170056Srrs if (MSEC_TO_TICKS(sack->sack_delay) < 1) { 3218170056Srrs sack->sack_delay = TICKS_TO_MSEC(1); 3219170056Srrs } 3220170056Srrs inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay); 3221170056Srrs } 3222170056Srrs if (sack->sack_freq) { 3223170056Srrs inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 3224170056Srrs } 3225163953Srrs SCTP_INP_WUNLOCK(inp); 3226163953Srrs } 3227166675Srrs break; 3228163953Srrs } 3229163953Srrs case SCTP_AUTH_CHUNK: 3230163953Srrs { 3231163953Srrs struct sctp_authchunk *sauth; 3232163953Srrs 3233166675Srrs SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 3234166675Srrs 3235166675Srrs SCTP_INP_WLOCK(inp); 3236171943Srrs if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 3237171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3238163953Srrs error = EINVAL; 3239171943Srrs } 3240166675Srrs SCTP_INP_WUNLOCK(inp); 3241163953Srrs break; 3242163953Srrs } 3243163953Srrs case SCTP_AUTH_KEY: 3244163953Srrs { 3245163953Srrs struct sctp_authkey *sca; 3246163953Srrs struct sctp_keyhead *shared_keys; 3247163953Srrs sctp_sharedkey_t *shared_key; 3248163953Srrs sctp_key_t *key = NULL; 3249166675Srrs size_t size; 3250163953Srrs 3251166675Srrs SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 3252169420Srrs SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 3253169420Srrs size = optsize - sizeof(*sca); 3254166675Srrs 3255166675Srrs if (stcb) { 3256163953Srrs /* set it on the assoc */ 3257163953Srrs shared_keys = &stcb->asoc.shared_keys; 3258163953Srrs /* clear the cached keys for this key id */ 3259163953Srrs sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 3260163953Srrs /* 3261163953Srrs * create the new shared key and 3262163953Srrs * insert/replace it 3263163953Srrs */ 3264163953Srrs if (size > 0) { 3265163953Srrs key = sctp_set_key(sca->sca_key, (uint32_t) size); 3266163953Srrs if (key == NULL) { 3267171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3268163953Srrs error = ENOMEM; 3269163953Srrs SCTP_TCB_UNLOCK(stcb); 3270163953Srrs break; 3271163953Srrs } 3272163953Srrs } 3273163953Srrs shared_key = sctp_alloc_sharedkey(); 3274163953Srrs if (shared_key == NULL) { 3275163953Srrs sctp_free_key(key); 3276171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3277163953Srrs error = ENOMEM; 3278163953Srrs SCTP_TCB_UNLOCK(stcb); 3279163953Srrs break; 3280163953Srrs } 3281163953Srrs shared_key->key = key; 3282163953Srrs shared_key->keyid = sca->sca_keynumber; 3283185694Srrs error = sctp_insert_sharedkey(shared_keys, shared_key); 3284163953Srrs SCTP_TCB_UNLOCK(stcb); 3285163953Srrs } else { 3286166675Srrs /* set it on the endpoint */ 3287163953Srrs SCTP_INP_WLOCK(inp); 3288163953Srrs shared_keys = &inp->sctp_ep.shared_keys; 3289163953Srrs /* 3290163953Srrs * clear the cached keys on all assocs for 3291163953Srrs * this key id 3292163953Srrs */ 3293163953Srrs sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 3294163953Srrs /* 3295163953Srrs * create the new shared key and 3296163953Srrs * insert/replace it 3297163953Srrs */ 3298163953Srrs if (size > 0) { 3299163953Srrs key = sctp_set_key(sca->sca_key, (uint32_t) size); 3300163953Srrs if (key == NULL) { 3301171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3302163953Srrs error = ENOMEM; 3303163953Srrs SCTP_INP_WUNLOCK(inp); 3304163953Srrs break; 3305163953Srrs } 3306163953Srrs } 3307163953Srrs shared_key = sctp_alloc_sharedkey(); 3308163953Srrs if (shared_key == NULL) { 3309163953Srrs sctp_free_key(key); 3310171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3311163953Srrs error = ENOMEM; 3312163953Srrs SCTP_INP_WUNLOCK(inp); 3313163953Srrs break; 3314163953Srrs } 3315163953Srrs shared_key->key = key; 3316163953Srrs shared_key->keyid = sca->sca_keynumber; 3317185694Srrs error = sctp_insert_sharedkey(shared_keys, shared_key); 3318163953Srrs SCTP_INP_WUNLOCK(inp); 3319163953Srrs } 3320163953Srrs break; 3321163953Srrs } 3322163953Srrs case SCTP_HMAC_IDENT: 3323163953Srrs { 3324163953Srrs struct sctp_hmacalgo *shmac; 3325163953Srrs sctp_hmaclist_t *hmaclist; 3326181054Srrs uint16_t hmacid; 3327181054Srrs uint32_t i; 3328163953Srrs 3329181054Srrs size_t found; 3330181054Srrs 3331166675Srrs SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 3332181054Srrs if (optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) { 3333181054Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3334181054Srrs error = EINVAL; 3335181054Srrs break; 3336181054Srrs } 3337181054Srrs hmaclist = sctp_alloc_hmaclist(shmac->shmac_number_of_idents); 3338163953Srrs if (hmaclist == NULL) { 3339171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 3340163953Srrs error = ENOMEM; 3341163953Srrs break; 3342163953Srrs } 3343181054Srrs for (i = 0; i < shmac->shmac_number_of_idents; i++) { 3344163953Srrs hmacid = shmac->shmac_idents[i]; 3345181054Srrs if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 3346163953Srrs /* invalid HMACs were found */ ; 3347171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3348163953Srrs error = EINVAL; 3349164085Srrs sctp_free_hmaclist(hmaclist); 3350163953Srrs goto sctp_set_hmac_done; 3351163953Srrs } 3352163953Srrs } 3353170056Srrs found = 0; 3354170056Srrs for (i = 0; i < hmaclist->num_algo; i++) { 3355170056Srrs if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 3356170056Srrs /* already in list */ 3357170056Srrs found = 1; 3358170056Srrs } 3359170056Srrs } 3360170056Srrs if (!found) { 3361170056Srrs sctp_free_hmaclist(hmaclist); 3362171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3363170056Srrs error = EINVAL; 3364170056Srrs break; 3365170056Srrs } 3366163953Srrs /* set it on the endpoint */ 3367163953Srrs SCTP_INP_WLOCK(inp); 3368163953Srrs if (inp->sctp_ep.local_hmacs) 3369163953Srrs sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 3370163953Srrs inp->sctp_ep.local_hmacs = hmaclist; 3371163953Srrs SCTP_INP_WUNLOCK(inp); 3372163953Srrs sctp_set_hmac_done: 3373163953Srrs break; 3374163953Srrs } 3375163953Srrs case SCTP_AUTH_ACTIVE_KEY: 3376163953Srrs { 3377163953Srrs struct sctp_authkeyid *scact; 3378163953Srrs 3379185694Srrs SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, 3380185694Srrs optsize); 3381166675Srrs SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 3382166675Srrs 3383163953Srrs /* set the active key on the right place */ 3384166675Srrs if (stcb) { 3385163953Srrs /* set the active key on the assoc */ 3386185694Srrs if (sctp_auth_setactivekey(stcb, 3387185694Srrs scact->scact_keynumber)) { 3388185694Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 3389185694Srrs SCTP_FROM_SCTP_USRREQ, 3390185694Srrs EINVAL); 3391163953Srrs error = EINVAL; 3392171943Srrs } 3393163953Srrs SCTP_TCB_UNLOCK(stcb); 3394163953Srrs } else { 3395163953Srrs /* set the active key on the endpoint */ 3396163953Srrs SCTP_INP_WLOCK(inp); 3397185694Srrs if (sctp_auth_setactivekey_ep(inp, 3398185694Srrs scact->scact_keynumber)) { 3399185694Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 3400185694Srrs SCTP_FROM_SCTP_USRREQ, 3401185694Srrs EINVAL); 3402163953Srrs error = EINVAL; 3403171943Srrs } 3404163953Srrs SCTP_INP_WUNLOCK(inp); 3405163953Srrs } 3406163953Srrs break; 3407163953Srrs } 3408163953Srrs case SCTP_AUTH_DELETE_KEY: 3409163953Srrs { 3410163953Srrs struct sctp_authkeyid *scdel; 3411163953Srrs 3412185694Srrs SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, 3413185694Srrs optsize); 3414166675Srrs SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 3415166675Srrs 3416163953Srrs /* delete the key from the right place */ 3417166675Srrs if (stcb) { 3418185694Srrs if (sctp_delete_sharedkey(stcb, 3419185694Srrs scdel->scact_keynumber)) { 3420185694Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 3421185694Srrs SCTP_FROM_SCTP_USRREQ, 3422185694Srrs EINVAL); 3423163953Srrs error = EINVAL; 3424171943Srrs } 3425163953Srrs SCTP_TCB_UNLOCK(stcb); 3426163953Srrs } else { 3427163953Srrs SCTP_INP_WLOCK(inp); 3428185694Srrs if (sctp_delete_sharedkey_ep(inp, 3429185694Srrs scdel->scact_keynumber)) { 3430185694Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 3431185694Srrs SCTP_FROM_SCTP_USRREQ, 3432185694Srrs EINVAL); 3433163953Srrs error = EINVAL; 3434171943Srrs } 3435163953Srrs SCTP_INP_WUNLOCK(inp); 3436163953Srrs } 3437163953Srrs break; 3438163953Srrs } 3439185694Srrs case SCTP_AUTH_DEACTIVATE_KEY: 3440185694Srrs { 3441185694Srrs struct sctp_authkeyid *keyid; 3442163953Srrs 3443185694Srrs SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, 3444185694Srrs optsize); 3445185694Srrs SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 3446185694Srrs 3447185694Srrs /* deactivate the key from the right place */ 3448185694Srrs if (stcb) { 3449185694Srrs if (sctp_deact_sharedkey(stcb, 3450185694Srrs keyid->scact_keynumber)) { 3451185694Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 3452185694Srrs SCTP_FROM_SCTP_USRREQ, 3453185694Srrs EINVAL); 3454185694Srrs error = EINVAL; 3455185694Srrs } 3456185694Srrs SCTP_TCB_UNLOCK(stcb); 3457185694Srrs } else { 3458185694Srrs SCTP_INP_WLOCK(inp); 3459185694Srrs if (sctp_deact_sharedkey_ep(inp, 3460185694Srrs keyid->scact_keynumber)) { 3461185694Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 3462185694Srrs SCTP_FROM_SCTP_USRREQ, 3463185694Srrs EINVAL); 3464185694Srrs error = EINVAL; 3465185694Srrs } 3466185694Srrs SCTP_INP_WUNLOCK(inp); 3467185694Srrs } 3468185694Srrs break; 3469185694Srrs } 3470185694Srrs 3471163953Srrs case SCTP_RESET_STREAMS: 3472163953Srrs { 3473163953Srrs struct sctp_stream_reset *strrst; 3474188854Srrs uint8_t send_in = 0, send_tsn = 0, send_out = 0, 3475188854Srrs addstream = 0; 3476188854Srrs uint16_t addstrmcnt = 0; 3477163953Srrs int i; 3478163953Srrs 3479166675Srrs SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_stream_reset, optsize); 3480166675Srrs SCTP_FIND_STCB(inp, stcb, strrst->strrst_assoc_id); 3481163953Srrs 3482163953Srrs if (stcb == NULL) { 3483171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 3484163953Srrs error = ENOENT; 3485163953Srrs break; 3486163953Srrs } 3487163953Srrs if (stcb->asoc.peer_supports_strreset == 0) { 3488163953Srrs /* 3489163953Srrs * Peer does not support it, we return 3490163953Srrs * protocol not supported since this is true 3491163953Srrs * for this feature and this peer, not the 3492163953Srrs * socket request in general. 3493163953Srrs */ 3494171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPROTONOSUPPORT); 3495163953Srrs error = EPROTONOSUPPORT; 3496163953Srrs SCTP_TCB_UNLOCK(stcb); 3497163953Srrs break; 3498163953Srrs } 3499163953Srrs if (stcb->asoc.stream_reset_outstanding) { 3500171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 3501163953Srrs error = EALREADY; 3502163953Srrs SCTP_TCB_UNLOCK(stcb); 3503163953Srrs break; 3504163953Srrs } 3505163953Srrs if (strrst->strrst_flags == SCTP_RESET_LOCAL_RECV) { 3506163953Srrs send_in = 1; 3507163953Srrs } else if (strrst->strrst_flags == SCTP_RESET_LOCAL_SEND) { 3508163953Srrs send_out = 1; 3509163953Srrs } else if (strrst->strrst_flags == SCTP_RESET_BOTH) { 3510163953Srrs send_in = 1; 3511163953Srrs send_out = 1; 3512163953Srrs } else if (strrst->strrst_flags == SCTP_RESET_TSN) { 3513163953Srrs send_tsn = 1; 3514188854Srrs } else if (strrst->strrst_flags == SCTP_RESET_ADD_STREAMS) { 3515188854Srrs if (send_tsn || 3516188854Srrs send_in || 3517188854Srrs send_out) { 3518188854Srrs /* We can't do that and add streams */ 3519188854Srrs error = EINVAL; 3520188854Srrs goto skip_stuff; 3521188854Srrs } 3522188854Srrs if (stcb->asoc.stream_reset_outstanding) { 3523188854Srrs error = EBUSY; 3524188854Srrs goto skip_stuff; 3525188854Srrs } 3526188854Srrs addstream = 1; 3527188854Srrs /* We allocate here */ 3528188854Srrs addstrmcnt = strrst->strrst_num_streams; 3529188854Srrs if ((int)(addstrmcnt + stcb->asoc.streamoutcnt) > 0xffff) { 3530188854Srrs /* You can't have more than 64k */ 3531188854Srrs error = EINVAL; 3532188854Srrs goto skip_stuff; 3533188854Srrs } 3534188854Srrs if ((stcb->asoc.strm_realoutsize - stcb->asoc.streamoutcnt) < addstrmcnt) { 3535188854Srrs /* Need to allocate more */ 3536188854Srrs struct sctp_stream_out *oldstream; 3537216822Stuexen struct sctp_stream_queue_pending *sp, 3538216822Stuexen *nsp; 3539188854Srrs 3540188854Srrs oldstream = stcb->asoc.strmout; 3541188854Srrs /* get some more */ 3542188854Srrs SCTP_MALLOC(stcb->asoc.strmout, struct sctp_stream_out *, 3543188854Srrs ((stcb->asoc.streamoutcnt + addstrmcnt) * sizeof(struct sctp_stream_out)), 3544188854Srrs SCTP_M_STRMO); 3545188854Srrs if (stcb->asoc.strmout == NULL) { 3546188854Srrs stcb->asoc.strmout = oldstream; 3547188854Srrs error = ENOMEM; 3548188854Srrs goto skip_stuff; 3549188854Srrs } 3550188854Srrs /* 3551188854Srrs * Ok now we proceed with copying 3552188854Srrs * the old out stuff and 3553188854Srrs * initializing the new stuff. 3554188854Srrs */ 3555189121Srrs SCTP_TCB_SEND_LOCK(stcb); 3556217760Stuexen stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 0, 1); 3557189121Srrs for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 3558189121Srrs TAILQ_INIT(&stcb->asoc.strmout[i].outqueue); 3559189121Srrs stcb->asoc.strmout[i].next_sequence_sent = oldstream[i].next_sequence_sent; 3560189121Srrs stcb->asoc.strmout[i].last_msg_incomplete = oldstream[i].last_msg_incomplete; 3561189121Srrs stcb->asoc.strmout[i].stream_no = i; 3562218241Stuexen stcb->asoc.ss_functions.sctp_ss_init_stream(&stcb->asoc.strmout[i], &oldstream[i]); 3563189121Srrs /* 3564189121Srrs * now anything on those 3565189121Srrs * queues? 3566189121Srrs */ 3567216822Stuexen TAILQ_FOREACH_SAFE(sp, &oldstream[i].outqueue, next, nsp) { 3568189121Srrs TAILQ_REMOVE(&oldstream[i].outqueue, sp, next); 3569189121Srrs TAILQ_INSERT_TAIL(&stcb->asoc.strmout[i].outqueue, sp, next); 3570189121Srrs } 3571189121Srrs /* 3572189121Srrs * Now move assoc pointers 3573189121Srrs * too 3574189121Srrs */ 3575189121Srrs if (stcb->asoc.last_out_stream == &oldstream[i]) { 3576189121Srrs stcb->asoc.last_out_stream = &stcb->asoc.strmout[i]; 3577189121Srrs } 3578189121Srrs if (stcb->asoc.locked_on_sending == &oldstream[i]) { 3579189121Srrs stcb->asoc.locked_on_sending = &stcb->asoc.strmout[i]; 3580189121Srrs } 3581189121Srrs } 3582188854Srrs /* now the new streams */ 3583217760Stuexen stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1); 3584188854Srrs for (i = stcb->asoc.streamoutcnt; i < (stcb->asoc.streamoutcnt + addstrmcnt); i++) { 3585188854Srrs stcb->asoc.strmout[i].next_sequence_sent = 0x0; 3586188854Srrs TAILQ_INIT(&stcb->asoc.strmout[i].outqueue); 3587188854Srrs stcb->asoc.strmout[i].stream_no = i; 3588188854Srrs stcb->asoc.strmout[i].last_msg_incomplete = 0; 3589218241Stuexen stcb->asoc.ss_functions.sctp_ss_init_stream(&stcb->asoc.strmout[i], NULL); 3590188854Srrs } 3591188854Srrs stcb->asoc.strm_realoutsize = stcb->asoc.streamoutcnt + addstrmcnt; 3592188854Srrs SCTP_FREE(oldstream, SCTP_M_STRMO); 3593188854Srrs } 3594189121Srrs SCTP_TCB_SEND_UNLOCK(stcb); 3595188854Srrs goto skip_stuff; 3596163953Srrs } else { 3597171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3598163953Srrs error = EINVAL; 3599163953Srrs SCTP_TCB_UNLOCK(stcb); 3600163953Srrs break; 3601163953Srrs } 3602163953Srrs for (i = 0; i < strrst->strrst_num_streams; i++) { 3603163953Srrs if ((send_in) && 3604163953Srrs 3605163953Srrs (strrst->strrst_list[i] > stcb->asoc.streamincnt)) { 3606171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3607163953Srrs error = EINVAL; 3608163953Srrs goto get_out; 3609163953Srrs } 3610163953Srrs if ((send_out) && 3611163953Srrs (strrst->strrst_list[i] > stcb->asoc.streamoutcnt)) { 3612171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3613163953Srrs error = EINVAL; 3614163953Srrs goto get_out; 3615163953Srrs } 3616163953Srrs } 3617188854Srrs skip_stuff: 3618163953Srrs if (error) { 3619163953Srrs get_out: 3620163953Srrs SCTP_TCB_UNLOCK(stcb); 3621163953Srrs break; 3622163953Srrs } 3623163953Srrs error = sctp_send_str_reset_req(stcb, strrst->strrst_num_streams, 3624163953Srrs strrst->strrst_list, 3625163953Srrs send_out, (stcb->asoc.str_reset_seq_in - 3), 3626188854Srrs send_in, send_tsn, addstream, addstrmcnt); 3627163953Srrs 3628172090Srrs sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 3629163953Srrs SCTP_TCB_UNLOCK(stcb); 3630163953Srrs } 3631163953Srrs break; 3632166675Srrs 3633163953Srrs case SCTP_CONNECT_X: 3634166675Srrs if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 3635171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3636163953Srrs error = EINVAL; 3637163953Srrs break; 3638163953Srrs } 3639166675Srrs error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 3640163953Srrs break; 3641163953Srrs 3642163953Srrs case SCTP_CONNECT_X_DELAYED: 3643166675Srrs if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 3644171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3645163953Srrs error = EINVAL; 3646163953Srrs break; 3647163953Srrs } 3648166675Srrs error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 3649163953Srrs break; 3650163953Srrs 3651163953Srrs case SCTP_CONNECT_X_COMPLETE: 3652163953Srrs { 3653163953Srrs struct sockaddr *sa; 3654163953Srrs struct sctp_nets *net; 3655163953Srrs 3656166675Srrs /* FIXME MT: check correct? */ 3657166675Srrs SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 3658166675Srrs 3659163953Srrs /* find tcb */ 3660163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 3661163953Srrs SCTP_INP_RLOCK(inp); 3662163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 3663163953Srrs if (stcb) { 3664163953Srrs SCTP_TCB_LOCK(stcb); 3665163953Srrs net = sctp_findnet(stcb, sa); 3666163953Srrs } 3667163953Srrs SCTP_INP_RUNLOCK(inp); 3668163953Srrs } else { 3669166675Srrs /* 3670166675Srrs * We increment here since 3671166675Srrs * sctp_findassociation_ep_addr() wil do a 3672166675Srrs * decrement if it finds the stcb as long as 3673166675Srrs * the locked tcb (last argument) is NOT a 3674166675Srrs * TCB.. aka NULL. 3675166675Srrs */ 3676163953Srrs SCTP_INP_INCR_REF(inp); 3677163953Srrs stcb = sctp_findassociation_ep_addr(&inp, sa, &net, NULL, NULL); 3678163953Srrs if (stcb == NULL) { 3679163953Srrs SCTP_INP_DECR_REF(inp); 3680163953Srrs } 3681163953Srrs } 3682163953Srrs 3683163953Srrs if (stcb == NULL) { 3684171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 3685163953Srrs error = ENOENT; 3686163953Srrs break; 3687163953Srrs } 3688163953Srrs if (stcb->asoc.delayed_connection == 1) { 3689163953Srrs stcb->asoc.delayed_connection = 0; 3690169378Srrs (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 3691165220Srrs sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 3692165220Srrs stcb->asoc.primary_destination, 3693165220Srrs SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 3694172090Srrs sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 3695163953Srrs } else { 3696163953Srrs /* 3697163953Srrs * already expired or did not use delayed 3698163953Srrs * connectx 3699163953Srrs */ 3700171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 3701163953Srrs error = EALREADY; 3702163953Srrs } 3703163953Srrs SCTP_TCB_UNLOCK(stcb); 3704163953Srrs } 3705163953Srrs break; 3706170056Srrs case SCTP_MAX_BURST: 3707163953Srrs { 3708217895Stuexen struct sctp_assoc_value *av; 3709163953Srrs 3710217895Stuexen SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3711217895Stuexen SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3712166675Srrs 3713217895Stuexen if (stcb) { 3714217895Stuexen stcb->asoc.max_burst = av->assoc_value; 3715217895Stuexen SCTP_TCB_UNLOCK(stcb); 3716217895Stuexen } else { 3717217895Stuexen SCTP_INP_WLOCK(inp); 3718217895Stuexen inp->sctp_ep.max_burst = av->assoc_value; 3719217895Stuexen SCTP_INP_WUNLOCK(inp); 3720217895Stuexen } 3721163953Srrs } 3722163953Srrs break; 3723163953Srrs case SCTP_MAXSEG: 3724163953Srrs { 3725167598Srrs struct sctp_assoc_value *av; 3726163953Srrs int ovh; 3727163953Srrs 3728167598Srrs SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3729167598Srrs SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3730166675Srrs 3731170056Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3732170056Srrs ovh = SCTP_MED_OVERHEAD; 3733170056Srrs } else { 3734170056Srrs ovh = SCTP_MED_V4_OVERHEAD; 3735170056Srrs } 3736167598Srrs if (stcb) { 3737170056Srrs if (av->assoc_value) { 3738170056Srrs stcb->asoc.sctp_frag_point = (av->assoc_value + ovh); 3739170056Srrs } else { 3740170056Srrs stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 3741170056Srrs } 3742167598Srrs SCTP_TCB_UNLOCK(stcb); 3743163953Srrs } else { 3744167598Srrs SCTP_INP_WLOCK(inp); 3745167598Srrs /* 3746167598Srrs * FIXME MT: I think this is not in tune 3747167598Srrs * with the API ID 3748167598Srrs */ 3749167598Srrs if (av->assoc_value) { 3750167598Srrs inp->sctp_frag_point = (av->assoc_value + ovh); 3751167598Srrs } else { 3752170056Srrs inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; 3753167598Srrs } 3754167598Srrs SCTP_INP_WUNLOCK(inp); 3755163953Srrs } 3756163953Srrs } 3757163953Srrs break; 3758163953Srrs case SCTP_EVENTS: 3759163953Srrs { 3760163953Srrs struct sctp_event_subscribe *events; 3761163953Srrs 3762166675Srrs SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 3763166675Srrs 3764163953Srrs SCTP_INP_WLOCK(inp); 3765163953Srrs if (events->sctp_data_io_event) { 3766163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 3767163953Srrs } else { 3768163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 3769163953Srrs } 3770163953Srrs 3771163953Srrs if (events->sctp_association_event) { 3772163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 3773163953Srrs } else { 3774163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 3775163953Srrs } 3776163953Srrs 3777163953Srrs if (events->sctp_address_event) { 3778163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 3779163953Srrs } else { 3780163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 3781163953Srrs } 3782163953Srrs 3783163953Srrs if (events->sctp_send_failure_event) { 3784163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 3785163953Srrs } else { 3786163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 3787163953Srrs } 3788163953Srrs 3789163953Srrs if (events->sctp_peer_error_event) { 3790163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 3791163953Srrs } else { 3792163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 3793163953Srrs } 3794163953Srrs 3795163953Srrs if (events->sctp_shutdown_event) { 3796163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 3797163953Srrs } else { 3798163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 3799163953Srrs } 3800163953Srrs 3801163953Srrs if (events->sctp_partial_delivery_event) { 3802163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 3803163953Srrs } else { 3804163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 3805163953Srrs } 3806163953Srrs 3807163953Srrs if (events->sctp_adaptation_layer_event) { 3808163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 3809163953Srrs } else { 3810163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 3811163953Srrs } 3812163953Srrs 3813163953Srrs if (events->sctp_authentication_event) { 3814163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 3815163953Srrs } else { 3816163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 3817163953Srrs } 3818163953Srrs 3819185694Srrs if (events->sctp_sender_dry_event) { 3820185694Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 3821188067Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3822188067Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3823188067Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 3824188067Srrs if (stcb) { 3825188067Srrs SCTP_TCB_LOCK(stcb); 3826188067Srrs } 3827188067Srrs if (stcb && 3828188067Srrs TAILQ_EMPTY(&stcb->asoc.send_queue) && 3829188067Srrs TAILQ_EMPTY(&stcb->asoc.sent_queue) && 3830188067Srrs (stcb->asoc.stream_queue_cnt == 0)) { 3831188067Srrs sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 3832188067Srrs } 3833188067Srrs if (stcb) { 3834188067Srrs SCTP_TCB_UNLOCK(stcb); 3835188067Srrs } 3836188067Srrs } 3837185694Srrs } else { 3838185694Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 3839185694Srrs } 3840185694Srrs 3841202520Srrs if (events->sctp_stream_reset_event) { 3842163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 3843163953Srrs } else { 3844163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 3845163953Srrs } 3846163953Srrs SCTP_INP_WUNLOCK(inp); 3847163953Srrs } 3848163953Srrs break; 3849163953Srrs 3850163953Srrs case SCTP_ADAPTATION_LAYER: 3851163953Srrs { 3852163953Srrs struct sctp_setadaptation *adap_bits; 3853163953Srrs 3854166675Srrs SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 3855163953Srrs SCTP_INP_WLOCK(inp); 3856163953Srrs inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 3857163953Srrs SCTP_INP_WUNLOCK(inp); 3858163953Srrs } 3859163953Srrs break; 3860166675Srrs#ifdef SCTP_DEBUG 3861163953Srrs case SCTP_SET_INITIAL_DBG_SEQ: 3862163953Srrs { 3863163953Srrs uint32_t *vvv; 3864163953Srrs 3865166675Srrs SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 3866163953Srrs SCTP_INP_WLOCK(inp); 3867163953Srrs inp->sctp_ep.initial_sequence_debug = *vvv; 3868163953Srrs SCTP_INP_WUNLOCK(inp); 3869163953Srrs } 3870163953Srrs break; 3871166675Srrs#endif 3872163953Srrs case SCTP_DEFAULT_SEND_PARAM: 3873163953Srrs { 3874163953Srrs struct sctp_sndrcvinfo *s_info; 3875163953Srrs 3876166675Srrs SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 3877166675Srrs SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 3878163953Srrs 3879166675Srrs if (stcb) { 3880166675Srrs if (s_info->sinfo_stream <= stcb->asoc.streamoutcnt) { 3881170056Srrs memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 3882163953Srrs } else { 3883171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3884166675Srrs error = EINVAL; 3885163953Srrs } 3886166675Srrs SCTP_TCB_UNLOCK(stcb); 3887166675Srrs } else { 3888166675Srrs SCTP_INP_WLOCK(inp); 3889170056Srrs memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 3890166675Srrs SCTP_INP_WUNLOCK(inp); 3891163953Srrs } 3892163953Srrs } 3893163953Srrs break; 3894163953Srrs case SCTP_PEER_ADDR_PARAMS: 3895163953Srrs /* Applys to the specific association */ 3896163953Srrs { 3897163953Srrs struct sctp_paddrparams *paddrp; 3898163953Srrs struct sctp_nets *net; 3899163953Srrs 3900166675Srrs SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 3901166675Srrs SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 3902163953Srrs net = NULL; 3903166675Srrs if (stcb) { 3904166675Srrs net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address); 3905166675Srrs } else { 3906166675Srrs /* 3907166675Srrs * We increment here since 3908166675Srrs * sctp_findassociation_ep_addr() wil do a 3909166675Srrs * decrement if it finds the stcb as long as 3910166675Srrs * the locked tcb (last argument) is NOT a 3911166675Srrs * TCB.. aka NULL. 3912166675Srrs */ 3913166675Srrs SCTP_INP_INCR_REF(inp); 3914166675Srrs stcb = sctp_findassociation_ep_addr(&inp, 3915166675Srrs (struct sockaddr *)&paddrp->spp_address, 3916166675Srrs &net, NULL, NULL); 3917163953Srrs if (stcb == NULL) { 3918166675Srrs SCTP_INP_DECR_REF(inp); 3919163953Srrs } 3920163953Srrs } 3921171943Srrs if (stcb && (net == NULL)) { 3922171943Srrs struct sockaddr *sa; 3923171943Srrs 3924171943Srrs sa = (struct sockaddr *)&paddrp->spp_address; 3925221249Stuexen#ifdef INET 3926171943Srrs if (sa->sa_family == AF_INET) { 3927221249Stuexen 3928171943Srrs struct sockaddr_in *sin; 3929171943Srrs 3930171943Srrs sin = (struct sockaddr_in *)sa; 3931171943Srrs if (sin->sin_addr.s_addr) { 3932171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3933171943Srrs SCTP_TCB_UNLOCK(stcb); 3934171943Srrs error = EINVAL; 3935171943Srrs break; 3936171943Srrs } 3937221249Stuexen } else 3938221249Stuexen#endif 3939221249Stuexen#ifdef INET6 3940221249Stuexen if (sa->sa_family == AF_INET6) { 3941171943Srrs struct sockaddr_in6 *sin6; 3942171943Srrs 3943171943Srrs sin6 = (struct sockaddr_in6 *)sa; 3944171943Srrs if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3945171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3946171943Srrs SCTP_TCB_UNLOCK(stcb); 3947171943Srrs error = EINVAL; 3948171943Srrs break; 3949171943Srrs } 3950221249Stuexen } else 3951221249Stuexen#endif 3952221249Stuexen { 3953171943Srrs error = EAFNOSUPPORT; 3954171943Srrs SCTP_TCB_UNLOCK(stcb); 3955171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3956171943Srrs break; 3957171943Srrs } 3958171943Srrs } 3959170056Srrs /* sanity checks */ 3960170056Srrs if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 3961170056Srrs if (stcb) 3962170056Srrs SCTP_TCB_UNLOCK(stcb); 3963171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3964170056Srrs return (EINVAL); 3965170056Srrs } 3966170056Srrs if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 3967170056Srrs if (stcb) 3968170056Srrs SCTP_TCB_UNLOCK(stcb); 3969171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3970170056Srrs return (EINVAL); 3971170056Srrs } 3972163953Srrs if (stcb) { 3973163953Srrs /************************TCB SPECIFIC SET ******************/ 3974163953Srrs /* 3975163953Srrs * do we change the timer for HB, we run 3976163953Srrs * only one? 3977163953Srrs */ 3978170056Srrs int ovh = 0; 3979170056Srrs 3980170056Srrs if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3981170056Srrs ovh = SCTP_MED_OVERHEAD; 3982170056Srrs } else { 3983170056Srrs ovh = SCTP_MED_V4_OVERHEAD; 3984170056Srrs } 3985170056Srrs 3986163953Srrs if (paddrp->spp_hbinterval) 3987163953Srrs stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 3988163953Srrs else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 3989163953Srrs stcb->asoc.heart_beat_delay = 0; 3990163953Srrs 3991163953Srrs /* network sets ? */ 3992163953Srrs if (net) { 3993163953Srrs /************************NET SPECIFIC SET ******************/ 3994163953Srrs if (paddrp->spp_flags & SPP_HB_DEMAND) { 3995163953Srrs /* on demand HB */ 3996171440Srrs if (sctp_send_hb(stcb, 1, net) < 0) { 3997171440Srrs /* asoc destroyed */ 3998171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3999171440Srrs error = EINVAL; 4000171440Srrs break; 4001171440Srrs } 4002163953Srrs } 4003163953Srrs if (paddrp->spp_flags & SPP_HB_DISABLE) { 4004163953Srrs net->dest_state |= SCTP_ADDR_NOHB; 4005163953Srrs } 4006163953Srrs if (paddrp->spp_flags & SPP_HB_ENABLE) { 4007163953Srrs net->dest_state &= ~SCTP_ADDR_NOHB; 4008163953Srrs } 4009170056Srrs if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 4010165647Srrs if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4011165220Srrs sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 4012165220Srrs SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4013163953Srrs } 4014163953Srrs if (paddrp->spp_pathmtu > SCTP_DEFAULT_MINSEGMENT) { 4015170056Srrs net->mtu = paddrp->spp_pathmtu + ovh; 4016169352Srrs if (net->mtu < stcb->asoc.smallest_mtu) { 4017167695Srrs sctp_pathmtu_adjustment(inp, stcb, net, net->mtu); 4018169352Srrs } 4019163953Srrs } 4020163953Srrs } 4021163953Srrs if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 4022165647Srrs if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4023163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 4024163953Srrs } 4025163953Srrs } 4026163953Srrs if (paddrp->spp_pathmaxrxt) 4027163953Srrs net->failure_threshold = paddrp->spp_pathmaxrxt; 4028167598Srrs#ifdef INET 4029163953Srrs if (paddrp->spp_flags & SPP_IPV4_TOS) { 4030163953Srrs if (net->ro._l_addr.sin.sin_family == AF_INET) { 4031163953Srrs net->tos_flowlabel = paddrp->spp_ipv4_tos & 0x000000fc; 4032163953Srrs } 4033163953Srrs } 4034163953Srrs#endif 4035167598Srrs#ifdef INET6 4036163953Srrs if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 4037163953Srrs if (net->ro._l_addr.sin6.sin6_family == AF_INET6) { 4038163953Srrs net->tos_flowlabel = paddrp->spp_ipv6_flowlabel; 4039163953Srrs } 4040163953Srrs } 4041163953Srrs#endif 4042163953Srrs } else { 4043163953Srrs /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 4044163953Srrs if (paddrp->spp_pathmaxrxt) 4045163953Srrs stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 4046163953Srrs 4047163953Srrs if (paddrp->spp_flags & SPP_HB_ENABLE) { 4048163953Srrs /* Turn back on the timer */ 4049163953Srrs stcb->asoc.hb_is_disabled = 0; 4050163953Srrs sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4051163953Srrs } 4052170056Srrs if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) { 4053170056Srrs TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4054170056Srrs if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4055170056Srrs sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 4056170056Srrs SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 4057170056Srrs } 4058170056Srrs if (paddrp->spp_pathmtu > SCTP_DEFAULT_MINSEGMENT) { 4059170056Srrs net->mtu = paddrp->spp_pathmtu + ovh; 4060170056Srrs if (net->mtu < stcb->asoc.smallest_mtu) { 4061170056Srrs sctp_pathmtu_adjustment(inp, stcb, net, net->mtu); 4062170056Srrs } 4063170056Srrs } 4064170056Srrs } 4065170056Srrs } 4066170056Srrs if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 4067170056Srrs TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4068170056Srrs if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 4069170056Srrs sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 4070170056Srrs } 4071170056Srrs } 4072170056Srrs } 4073163953Srrs if (paddrp->spp_flags & SPP_HB_DISABLE) { 4074163953Srrs int cnt_of_unconf = 0; 4075163953Srrs struct sctp_nets *lnet; 4076163953Srrs 4077163953Srrs stcb->asoc.hb_is_disabled = 1; 4078163953Srrs TAILQ_FOREACH(lnet, &stcb->asoc.nets, sctp_next) { 4079163953Srrs if (lnet->dest_state & SCTP_ADDR_UNCONFIRMED) { 4080163953Srrs cnt_of_unconf++; 4081163953Srrs } 4082163953Srrs } 4083163953Srrs /* 4084163953Srrs * stop the timer ONLY if we 4085163953Srrs * have no unconfirmed 4086163953Srrs * addresses 4087163953Srrs */ 4088163953Srrs if (cnt_of_unconf == 0) { 4089170056Srrs TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4090170056Srrs sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 4091170056Srrs SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 4092170056Srrs } 4093163953Srrs } 4094163953Srrs } 4095163953Srrs if (paddrp->spp_flags & SPP_HB_ENABLE) { 4096163953Srrs /* start up the timer. */ 4097170056Srrs TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 4098170056Srrs sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 4099170056Srrs } 4100163953Srrs } 4101167598Srrs#ifdef INET 4102163953Srrs if (paddrp->spp_flags & SPP_IPV4_TOS) 4103163953Srrs stcb->asoc.default_tos = paddrp->spp_ipv4_tos & 0x000000fc; 4104163953Srrs#endif 4105167598Srrs#ifdef INET6 4106163953Srrs if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) 4107163953Srrs stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel; 4108163953Srrs#endif 4109163953Srrs 4110163953Srrs } 4111163953Srrs SCTP_TCB_UNLOCK(stcb); 4112163953Srrs } else { 4113163953Srrs /************************NO TCB, SET TO default stuff ******************/ 4114163953Srrs SCTP_INP_WLOCK(inp); 4115163953Srrs /* 4116163953Srrs * For the TOS/FLOWLABEL stuff you set it 4117163953Srrs * with the options on the socket 4118163953Srrs */ 4119163953Srrs if (paddrp->spp_pathmaxrxt) { 4120163953Srrs inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 4121163953Srrs } 4122170056Srrs if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 4123170056Srrs inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 4124171477Srrs else if (paddrp->spp_hbinterval) { 4125171477Srrs if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 4126171477Srrs paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 4127170056Srrs inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval); 4128171477Srrs } 4129163953Srrs if (paddrp->spp_flags & SPP_HB_ENABLE) { 4130163953Srrs sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4131170056Srrs 4132163953Srrs } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 4133163953Srrs sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 4134163953Srrs } 4135163953Srrs SCTP_INP_WUNLOCK(inp); 4136163953Srrs } 4137163953Srrs } 4138163953Srrs break; 4139163953Srrs case SCTP_RTOINFO: 4140163953Srrs { 4141163953Srrs struct sctp_rtoinfo *srto; 4142169655Srrs uint32_t new_init, new_min, new_max; 4143163953Srrs 4144166675Srrs SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 4145166675Srrs SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 4146166675Srrs 4147166675Srrs if (stcb) { 4148167598Srrs if (srto->srto_initial) 4149169655Srrs new_init = srto->srto_initial; 4150169655Srrs else 4151169655Srrs new_init = stcb->asoc.initial_rto; 4152167598Srrs if (srto->srto_max) 4153169655Srrs new_max = srto->srto_max; 4154169655Srrs else 4155169655Srrs new_max = stcb->asoc.maxrto; 4156167598Srrs if (srto->srto_min) 4157169655Srrs new_min = srto->srto_min; 4158169655Srrs else 4159169655Srrs new_min = stcb->asoc.minrto; 4160169655Srrs if ((new_min <= new_init) && (new_init <= new_max)) { 4161169655Srrs stcb->asoc.initial_rto = new_init; 4162169655Srrs stcb->asoc.maxrto = new_max; 4163169655Srrs stcb->asoc.minrto = new_min; 4164169655Srrs } else { 4165179783Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4166179783Srrs error = EINVAL; 4167169655Srrs } 4168166675Srrs SCTP_TCB_UNLOCK(stcb); 4169166675Srrs } else { 4170163953Srrs SCTP_INP_WLOCK(inp); 4171167598Srrs if (srto->srto_initial) 4172169655Srrs new_init = srto->srto_initial; 4173169655Srrs else 4174169655Srrs new_init = inp->sctp_ep.initial_rto; 4175167598Srrs if (srto->srto_max) 4176169655Srrs new_max = srto->srto_max; 4177169655Srrs else 4178169655Srrs new_max = inp->sctp_ep.sctp_maxrto; 4179167598Srrs if (srto->srto_min) 4180169655Srrs new_min = srto->srto_min; 4181169655Srrs else 4182169655Srrs new_min = inp->sctp_ep.sctp_minrto; 4183169655Srrs if ((new_min <= new_init) && (new_init <= new_max)) { 4184169655Srrs inp->sctp_ep.initial_rto = new_init; 4185169655Srrs inp->sctp_ep.sctp_maxrto = new_max; 4186169655Srrs inp->sctp_ep.sctp_minrto = new_min; 4187169655Srrs } else { 4188179783Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4189179783Srrs error = EINVAL; 4190169655Srrs } 4191163953Srrs SCTP_INP_WUNLOCK(inp); 4192163953Srrs } 4193163953Srrs } 4194163953Srrs break; 4195163953Srrs case SCTP_ASSOCINFO: 4196163953Srrs { 4197163953Srrs struct sctp_assocparams *sasoc; 4198163953Srrs 4199166675Srrs SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 4200166675Srrs SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 4201171477Srrs if (sasoc->sasoc_cookie_life) { 4202171477Srrs /* boundary check the cookie life */ 4203171477Srrs if (sasoc->sasoc_cookie_life < 1000) 4204171477Srrs sasoc->sasoc_cookie_life = 1000; 4205171477Srrs if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 4206171477Srrs sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 4207171477Srrs } 4208171477Srrs } 4209163953Srrs if (stcb) { 4210163953Srrs if (sasoc->sasoc_asocmaxrxt) 4211163953Srrs stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 4212163953Srrs sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 4213163953Srrs sasoc->sasoc_peer_rwnd = 0; 4214163953Srrs sasoc->sasoc_local_rwnd = 0; 4215170056Srrs if (sasoc->sasoc_cookie_life) { 4216171572Srrs stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 4217167598Srrs } 4218163953Srrs SCTP_TCB_UNLOCK(stcb); 4219163953Srrs } else { 4220163953Srrs SCTP_INP_WLOCK(inp); 4221163953Srrs if (sasoc->sasoc_asocmaxrxt) 4222163953Srrs inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 4223163953Srrs sasoc->sasoc_number_peer_destinations = 0; 4224163953Srrs sasoc->sasoc_peer_rwnd = 0; 4225163953Srrs sasoc->sasoc_local_rwnd = 0; 4226170056Srrs if (sasoc->sasoc_cookie_life) { 4227169655Srrs inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life); 4228167598Srrs } 4229163953Srrs SCTP_INP_WUNLOCK(inp); 4230163953Srrs } 4231163953Srrs } 4232163953Srrs break; 4233163953Srrs case SCTP_INITMSG: 4234163953Srrs { 4235163953Srrs struct sctp_initmsg *sinit; 4236163953Srrs 4237166675Srrs SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 4238163953Srrs SCTP_INP_WLOCK(inp); 4239163953Srrs if (sinit->sinit_num_ostreams) 4240163953Srrs inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 4241163953Srrs 4242163953Srrs if (sinit->sinit_max_instreams) 4243163953Srrs inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 4244163953Srrs 4245163953Srrs if (sinit->sinit_max_attempts) 4246163953Srrs inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 4247163953Srrs 4248167598Srrs if (sinit->sinit_max_init_timeo) 4249163953Srrs inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 4250163953Srrs SCTP_INP_WUNLOCK(inp); 4251163953Srrs } 4252163953Srrs break; 4253163953Srrs case SCTP_PRIMARY_ADDR: 4254163953Srrs { 4255163953Srrs struct sctp_setprim *spa; 4256163953Srrs struct sctp_nets *net, *lnet; 4257163953Srrs 4258166675Srrs SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 4259166675Srrs SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 4260163953Srrs 4261166675Srrs net = NULL; 4262166675Srrs if (stcb) { 4263166675Srrs net = sctp_findnet(stcb, (struct sockaddr *)&spa->ssp_addr); 4264166675Srrs } else { 4265166675Srrs /* 4266166675Srrs * We increment here since 4267166675Srrs * sctp_findassociation_ep_addr() wil do a 4268166675Srrs * decrement if it finds the stcb as long as 4269166675Srrs * the locked tcb (last argument) is NOT a 4270166675Srrs * TCB.. aka NULL. 4271166675Srrs */ 4272163953Srrs SCTP_INP_INCR_REF(inp); 4273163953Srrs stcb = sctp_findassociation_ep_addr(&inp, 4274163953Srrs (struct sockaddr *)&spa->ssp_addr, 4275163953Srrs &net, NULL, NULL); 4276163953Srrs if (stcb == NULL) { 4277163953Srrs SCTP_INP_DECR_REF(inp); 4278163953Srrs } 4279163953Srrs } 4280166675Srrs 4281166675Srrs if ((stcb) && (net)) { 4282166675Srrs if ((net != stcb->asoc.primary_destination) && 4283166675Srrs (!(net->dest_state & SCTP_ADDR_UNCONFIRMED))) { 4284166675Srrs /* Ok we need to set it */ 4285166675Srrs lnet = stcb->asoc.primary_destination; 4286166675Srrs if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 4287166675Srrs if (net->dest_state & SCTP_ADDR_SWITCH_PRIMARY) { 4288166675Srrs net->dest_state |= SCTP_ADDR_DOUBLE_SWITCH; 4289166675Srrs } 4290166675Srrs net->dest_state |= SCTP_ADDR_SWITCH_PRIMARY; 4291163953Srrs } 4292163953Srrs } 4293166675Srrs } else { 4294171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4295166675Srrs error = EINVAL; 4296163953Srrs } 4297166675Srrs if (stcb) { 4298166675Srrs SCTP_TCB_UNLOCK(stcb); 4299166675Srrs } 4300163953Srrs } 4301163953Srrs break; 4302167598Srrs case SCTP_SET_DYNAMIC_PRIMARY: 4303167598Srrs { 4304167598Srrs union sctp_sockstore *ss; 4305163953Srrs 4306170587Srwatson error = priv_check(curthread, 4307170587Srwatson PRIV_NETINET_RESERVEDPORT); 4308167598Srrs if (error) 4309167598Srrs break; 4310167598Srrs 4311167598Srrs SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 4312167598Srrs /* SUPER USER CHECK? */ 4313167598Srrs error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 4314167598Srrs } 4315167598Srrs break; 4316163953Srrs case SCTP_SET_PEER_PRIMARY_ADDR: 4317163953Srrs { 4318163953Srrs struct sctp_setpeerprim *sspp; 4319163953Srrs 4320166675Srrs SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 4321166675Srrs SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 4322169208Srrs if (stcb != NULL) { 4323170056Srrs struct sctp_ifa *ifa; 4324170056Srrs 4325170056Srrs ifa = sctp_find_ifa_by_addr((struct sockaddr *)&sspp->sspp_addr, 4326172091Srrs stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 4327170056Srrs if (ifa == NULL) { 4328171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4329166675Srrs error = EINVAL; 4330170056Srrs goto out_of_it; 4331166675Srrs } 4332170056Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 4333170056Srrs /* 4334170056Srrs * Must validate the ifa found is in 4335170056Srrs * our ep 4336170056Srrs */ 4337170056Srrs struct sctp_laddr *laddr; 4338170056Srrs int found = 0; 4339170056Srrs 4340170056Srrs LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 4341170056Srrs if (laddr->ifa == NULL) { 4342170056Srrs SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 4343170056Srrs __FUNCTION__); 4344170056Srrs continue; 4345170056Srrs } 4346170056Srrs if (laddr->ifa == ifa) { 4347170056Srrs found = 1; 4348170056Srrs break; 4349170056Srrs } 4350170056Srrs } 4351170056Srrs if (!found) { 4352171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4353170056Srrs error = EINVAL; 4354170056Srrs goto out_of_it; 4355170056Srrs } 4356170056Srrs } 4357170056Srrs if (sctp_set_primary_ip_address_sa(stcb, 4358170056Srrs (struct sockaddr *)&sspp->sspp_addr) != 0) { 4359171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4360170056Srrs error = EINVAL; 4361170056Srrs } 4362170056Srrs out_of_it: 4363169208Srrs SCTP_TCB_UNLOCK(stcb); 4364166675Srrs } else { 4365171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4366163953Srrs error = EINVAL; 4367163953Srrs } 4368169208Srrs 4369163953Srrs } 4370163953Srrs break; 4371163953Srrs case SCTP_BINDX_ADD_ADDR: 4372163953Srrs { 4373163953Srrs struct sctp_getaddresses *addrs; 4374171531Srrs size_t sz; 4375171477Srrs struct thread *td; 4376163953Srrs 4377171477Srrs td = (struct thread *)p; 4378170606Srrs SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, 4379170606Srrs optsize); 4380221249Stuexen#ifdef INET 4381171477Srrs if (addrs->addr->sa_family == AF_INET) { 4382171477Srrs sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in); 4383171477Srrs if (optsize < sz) { 4384171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4385171477Srrs error = EINVAL; 4386171477Srrs break; 4387171477Srrs } 4388188590Srrs if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 4389188590Srrs SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 4390185435Sbz break; 4391171477Srrs } 4392221249Stuexen } else 4393221249Stuexen#endif 4394185435Sbz#ifdef INET6 4395221249Stuexen if (addrs->addr->sa_family == AF_INET6) { 4396171477Srrs sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6); 4397171477Srrs if (optsize < sz) { 4398171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4399171477Srrs error = EINVAL; 4400171477Srrs break; 4401171477Srrs } 4402188590Srrs if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 4403188590Srrs (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 4404188590Srrs SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 4405185435Sbz break; 4406185435Sbz } 4407221249Stuexen } else 4408185435Sbz#endif 4409221249Stuexen { 4410185435Sbz error = EAFNOSUPPORT; 4411185435Sbz break; 4412171477Srrs } 4413170606Srrs sctp_bindx_add_address(so, inp, addrs->addr, 4414170606Srrs addrs->sget_assoc_id, vrf_id, 4415170606Srrs &error, p); 4416163953Srrs } 4417163953Srrs break; 4418163953Srrs case SCTP_BINDX_REM_ADDR: 4419163953Srrs { 4420163953Srrs struct sctp_getaddresses *addrs; 4421171531Srrs size_t sz; 4422171477Srrs struct thread *td; 4423163953Srrs 4424171477Srrs td = (struct thread *)p; 4425185435Sbz 4426166675Srrs SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize); 4427221249Stuexen#ifdef INET 4428171477Srrs if (addrs->addr->sa_family == AF_INET) { 4429171477Srrs sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in); 4430171477Srrs if (optsize < sz) { 4431171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4432171477Srrs error = EINVAL; 4433171477Srrs break; 4434171477Srrs } 4435188590Srrs if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) { 4436188590Srrs SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 4437185435Sbz break; 4438171477Srrs } 4439221249Stuexen } else 4440221249Stuexen#endif 4441185435Sbz#ifdef INET6 4442221249Stuexen if (addrs->addr->sa_family == AF_INET6) { 4443171477Srrs sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6); 4444171477Srrs if (optsize < sz) { 4445171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4446171477Srrs error = EINVAL; 4447171477Srrs break; 4448171477Srrs } 4449188590Srrs if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr), 4450188590Srrs (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 4451188590Srrs SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 4452185435Sbz break; 4453185435Sbz } 4454221249Stuexen } else 4455185435Sbz#endif 4456221249Stuexen { 4457185435Sbz error = EAFNOSUPPORT; 4458185435Sbz break; 4459171477Srrs } 4460170606Srrs sctp_bindx_delete_address(so, inp, addrs->addr, 4461170606Srrs addrs->sget_assoc_id, vrf_id, 4462170606Srrs &error); 4463163953Srrs } 4464163953Srrs break; 4465163953Srrs default: 4466171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 4467163953Srrs error = ENOPROTOOPT; 4468163953Srrs break; 4469163953Srrs } /* end switch (opt) */ 4470163953Srrs return (error); 4471163953Srrs} 4472163953Srrs 4473163953Srrsint 4474163953Srrssctp_ctloutput(struct socket *so, struct sockopt *sopt) 4475163953Srrs{ 4476166675Srrs void *optval = NULL; 4477166675Srrs size_t optsize = 0; 4478163953Srrs struct sctp_inpcb *inp; 4479166675Srrs void *p; 4480166675Srrs int error = 0; 4481163953Srrs 4482163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 4483163953Srrs if (inp == 0) { 4484163953Srrs /* I made the same as TCP since we are not setup? */ 4485171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4486163953Srrs return (ECONNRESET); 4487163953Srrs } 4488163953Srrs if (sopt->sopt_level != IPPROTO_SCTP) { 4489163953Srrs /* wrong proto level... send back up to IP */ 4490163953Srrs#ifdef INET6 4491163953Srrs if (INP_CHECK_SOCKAF(so, AF_INET6)) 4492163953Srrs error = ip6_ctloutput(so, sopt); 4493221249Stuexen#endif /* INET6 */ 4494221249Stuexen#if defined(INET) && defined (INET6) 4495163953Srrs else 4496221249Stuexen#endif 4497221249Stuexen#ifdef INET 4498163953Srrs error = ip_ctloutput(so, sopt); 4499221249Stuexen#endif 4500163953Srrs return (error); 4501163953Srrs } 4502166675Srrs optsize = sopt->sopt_valsize; 4503166675Srrs if (optsize) { 4504170091Srrs SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 4505166675Srrs if (optval == NULL) { 4506171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 4507163953Srrs return (ENOBUFS); 4508163953Srrs } 4509166675Srrs error = sooptcopyin(sopt, optval, optsize, optsize); 4510163953Srrs if (error) { 4511170091Srrs SCTP_FREE(optval, SCTP_M_SOCKOPT); 4512163953Srrs goto out; 4513163953Srrs } 4514163953Srrs } 4515166675Srrs p = (void *)sopt->sopt_td; 4516163953Srrs if (sopt->sopt_dir == SOPT_SET) { 4517166675Srrs error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 4518163953Srrs } else if (sopt->sopt_dir == SOPT_GET) { 4519166675Srrs error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 4520163953Srrs } else { 4521171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4522163953Srrs error = EINVAL; 4523163953Srrs } 4524166675Srrs if ((error == 0) && (optval != NULL)) { 4525166675Srrs error = sooptcopyout(sopt, optval, optsize); 4526170091Srrs SCTP_FREE(optval, SCTP_M_SOCKOPT); 4527166675Srrs } else if (optval != NULL) { 4528170091Srrs SCTP_FREE(optval, SCTP_M_SOCKOPT); 4529163953Srrs } 4530163953Srrsout: 4531163953Srrs return (error); 4532163953Srrs} 4533163953Srrs 4534221249Stuexen#ifdef INET 4535163953Srrsstatic int 4536163953Srrssctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 4537163953Srrs{ 4538163953Srrs int error = 0; 4539163953Srrs int create_lock_on = 0; 4540167598Srrs uint32_t vrf_id; 4541163953Srrs struct sctp_inpcb *inp; 4542163953Srrs struct sctp_tcb *stcb = NULL; 4543163953Srrs 4544163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 4545163953Srrs if (inp == 0) { 4546163953Srrs /* I made the same as TCP since we are not setup? */ 4547171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4548163953Srrs return (ECONNRESET); 4549163953Srrs } 4550171943Srrs if (addr == NULL) { 4551171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4552170056Srrs return EINVAL; 4553171943Srrs } 4554221249Stuexen switch (addr->sa_family) { 4555185435Sbz#ifdef INET6 4556221249Stuexen case AF_INET6: 4557221249Stuexen { 4558221249Stuexen struct sockaddr_in6 *sin6p; 4559185694Srrs 4560221249Stuexen if (addr->sa_len != sizeof(struct sockaddr_in6)) { 4561221249Stuexen SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4562221249Stuexen return (EINVAL); 4563221249Stuexen } 4564221249Stuexen sin6p = (struct sockaddr_in6 *)addr; 4565221249Stuexen if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) { 4566221249Stuexen SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4567221249Stuexen return (error); 4568221249Stuexen } 4569221249Stuexen break; 4570185435Sbz } 4571185435Sbz#endif 4572221249Stuexen#ifdef INET 4573221249Stuexen case AF_INET: 4574221249Stuexen { 4575221249Stuexen struct sockaddr_in *sinp; 4576185694Srrs 4577221249Stuexen if (addr->sa_len != sizeof(struct sockaddr_in)) { 4578221249Stuexen SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4579221249Stuexen return (EINVAL); 4580221249Stuexen } 4581221249Stuexen sinp = (struct sockaddr_in *)addr; 4582221249Stuexen if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) { 4583221249Stuexen SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4584221249Stuexen return (error); 4585221249Stuexen } 4586221249Stuexen break; 4587185435Sbz } 4588221249Stuexen#endif 4589221249Stuexen default: 4590185435Sbz SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 4591185435Sbz return (EAFNOSUPPORT); 4592170056Srrs } 4593178202Srrs SCTP_INP_INCR_REF(inp); 4594163953Srrs SCTP_ASOC_CREATE_LOCK(inp); 4595163953Srrs create_lock_on = 1; 4596163953Srrs 4597178202Srrs 4598163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 4599163953Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 4600163953Srrs /* Should I really unlock ? */ 4601171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 4602163953Srrs error = EFAULT; 4603163953Srrs goto out_now; 4604163953Srrs } 4605163953Srrs#ifdef INET6 4606163953Srrs if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 4607163953Srrs (addr->sa_family == AF_INET6)) { 4608171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4609163953Srrs error = EINVAL; 4610163953Srrs goto out_now; 4611163953Srrs } 4612163953Srrs#endif /* INET6 */ 4613163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 4614163953Srrs SCTP_PCB_FLAGS_UNBOUND) { 4615163953Srrs /* Bind a ephemeral port */ 4616171572Srrs error = sctp_inpcb_bind(so, NULL, NULL, p); 4617163953Srrs if (error) { 4618163953Srrs goto out_now; 4619163953Srrs } 4620163953Srrs } 4621163953Srrs /* Now do we connect? */ 4622181054Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 4623181054Srrs (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 4624171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4625163953Srrs error = EINVAL; 4626163953Srrs goto out_now; 4627163953Srrs } 4628163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 4629163953Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 4630163953Srrs /* We are already connected AND the TCP model */ 4631171943Srrs SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 4632163953Srrs error = EADDRINUSE; 4633163953Srrs goto out_now; 4634163953Srrs } 4635163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4636163953Srrs SCTP_INP_RLOCK(inp); 4637163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 4638163953Srrs SCTP_INP_RUNLOCK(inp); 4639163953Srrs } else { 4640163953Srrs /* 4641166675Srrs * We increment here since sctp_findassociation_ep_addr() 4642181054Srrs * will do a decrement if it finds the stcb as long as the 4643166675Srrs * locked tcb (last argument) is NOT a TCB.. aka NULL. 4644163953Srrs */ 4645163953Srrs SCTP_INP_INCR_REF(inp); 4646163953Srrs stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 4647163953Srrs if (stcb == NULL) { 4648163953Srrs SCTP_INP_DECR_REF(inp); 4649168299Srrs } else { 4650178202Srrs SCTP_TCB_UNLOCK(stcb); 4651163953Srrs } 4652163953Srrs } 4653163953Srrs if (stcb != NULL) { 4654163953Srrs /* Already have or am bring up an association */ 4655171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4656163953Srrs error = EALREADY; 4657163953Srrs goto out_now; 4658163953Srrs } 4659168299Srrs vrf_id = inp->def_vrf_id; 4660163953Srrs /* We are GOOD to go */ 4661206137Stuexen stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, p); 4662163953Srrs if (stcb == NULL) { 4663163953Srrs /* Gak! no memory */ 4664167598Srrs goto out_now; 4665163953Srrs } 4666163953Srrs if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) { 4667163953Srrs stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED; 4668163953Srrs /* Set the connected flag so we can queue data */ 4669204096Stuexen SOCKBUF_LOCK(&so->so_rcv); 4670204096Stuexen so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 4671204096Stuexen SOCKBUF_UNLOCK(&so->so_rcv); 4672204096Stuexen SOCKBUF_LOCK(&so->so_snd); 4673204096Stuexen so->so_snd.sb_state &= ~SBS_CANTSENDMORE; 4674204096Stuexen SOCKBUF_UNLOCK(&so->so_snd); 4675204096Stuexen SOCK_LOCK(so); 4676204096Stuexen so->so_state &= ~SS_ISDISCONNECTING; 4677204096Stuexen SOCK_UNLOCK(so); 4678163953Srrs soisconnecting(so); 4679163953Srrs } 4680171943Srrs SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT); 4681169378Srrs (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4682163953Srrs 4683163953Srrs /* initialize authentication parameters for the assoc */ 4684163953Srrs sctp_initialize_auth_params(inp, stcb); 4685163953Srrs 4686172090Srrs sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4687168299Srrs SCTP_TCB_UNLOCK(stcb); 4688163953Srrsout_now: 4689169420Srrs if (create_lock_on) { 4690163953Srrs SCTP_ASOC_CREATE_UNLOCK(inp); 4691169420Srrs } 4692163953Srrs SCTP_INP_DECR_REF(inp); 4693163953Srrs return error; 4694163953Srrs} 4695163953Srrs 4696221249Stuexen#endif 4697221249Stuexen 4698163953Srrsint 4699163953Srrssctp_listen(struct socket *so, int backlog, struct thread *p) 4700163953Srrs{ 4701163953Srrs /* 4702163953Srrs * Note this module depends on the protocol processing being called 4703163953Srrs * AFTER any socket level flags and backlog are applied to the 4704163953Srrs * socket. The traditional way that the socket flags are applied is 4705163953Srrs * AFTER protocol processing. We have made a change to the 4706163953Srrs * sys/kern/uipc_socket.c module to reverse this but this MUST be in 4707163953Srrs * place if the socket API for SCTP is to work properly. 4708163953Srrs */ 4709163953Srrs 4710163953Srrs int error = 0; 4711163953Srrs struct sctp_inpcb *inp; 4712163953Srrs 4713163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 4714163953Srrs if (inp == 0) { 4715163953Srrs /* I made the same as TCP since we are not setup? */ 4716171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4717163953Srrs return (ECONNRESET); 4718163953Srrs } 4719181054Srrs if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 4720181054Srrs /* See if we have a listener */ 4721181054Srrs struct sctp_inpcb *tinp; 4722181054Srrs union sctp_sockstore store, *sp; 4723181054Srrs 4724181054Srrs sp = &store; 4725181054Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 4726181054Srrs /* not bound all */ 4727181054Srrs struct sctp_laddr *laddr; 4728181054Srrs 4729181054Srrs LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 4730181054Srrs memcpy(&store, &laddr->ifa->address, sizeof(store)); 4731221249Stuexen switch (sp->sa.sa_family) { 4732221249Stuexen#ifdef INET 4733221249Stuexen case AF_INET: 4734221249Stuexen sp->sin.sin_port = inp->sctp_lport; 4735221249Stuexen break; 4736221249Stuexen#endif 4737221249Stuexen#ifdef INET6 4738221249Stuexen case AF_INET6: 4739221249Stuexen sp->sin6.sin6_port = inp->sctp_lport; 4740221249Stuexen break; 4741221249Stuexen#endif 4742221249Stuexen default: 4743221249Stuexen break; 4744221249Stuexen } 4745181054Srrs tinp = sctp_pcb_findep(&sp->sa, 0, 0, inp->def_vrf_id); 4746181054Srrs if (tinp && (tinp != inp) && 4747181054Srrs ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 4748181054Srrs ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 4749181054Srrs (tinp->sctp_socket->so_qlimit)) { 4750181054Srrs /* 4751181054Srrs * we have a listener already and 4752181054Srrs * its not this inp. 4753181054Srrs */ 4754181054Srrs SCTP_INP_DECR_REF(tinp); 4755181054Srrs return (EADDRINUSE); 4756181054Srrs } else if (tinp) { 4757181054Srrs SCTP_INP_DECR_REF(tinp); 4758181054Srrs } 4759181054Srrs } 4760181054Srrs } else { 4761181054Srrs /* Setup a local addr bound all */ 4762181054Srrs memset(&store, 0, sizeof(store)); 4763221249Stuexen switch (sp->sa.sa_family) { 4764221249Stuexen#ifdef INET 4765221249Stuexen case AF_INET: 4766221249Stuexen store.sin.sin_port = inp->sctp_lport; 4767221249Stuexen break; 4768221249Stuexen#endif 4769181054Srrs#ifdef INET6 4770221249Stuexen case AF_INET6: 4771221249Stuexen sp->sin6.sin6_port = inp->sctp_lport; 4772221249Stuexen break; 4773221249Stuexen#endif 4774221249Stuexen default: 4775221249Stuexen break; 4776221249Stuexen } 4777221249Stuexen#ifdef INET6 4778181054Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 4779181054Srrs store.sa.sa_family = AF_INET6; 4780181054Srrs store.sa.sa_len = sizeof(struct sockaddr_in6); 4781181054Srrs } 4782181054Srrs#endif 4783221249Stuexen#ifdef INET 4784181054Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 4785181054Srrs store.sa.sa_family = AF_INET; 4786181054Srrs store.sa.sa_len = sizeof(struct sockaddr_in); 4787181054Srrs } 4788221249Stuexen#endif 4789181054Srrs tinp = sctp_pcb_findep(&sp->sa, 0, 0, inp->def_vrf_id); 4790181054Srrs if (tinp && (tinp != inp) && 4791181054Srrs ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 4792181054Srrs ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 4793181054Srrs (tinp->sctp_socket->so_qlimit)) { 4794181054Srrs /* 4795181054Srrs * we have a listener already and its not 4796181054Srrs * this inp. 4797181054Srrs */ 4798181054Srrs SCTP_INP_DECR_REF(tinp); 4799181054Srrs return (EADDRINUSE); 4800181054Srrs } else if (tinp) { 4801181054Srrs SCTP_INP_DECR_REF(inp); 4802181054Srrs } 4803181054Srrs } 4804181054Srrs } 4805163953Srrs SCTP_INP_RLOCK(inp); 4806163953Srrs#ifdef SCTP_LOCK_LOGGING 4807179783Srrs if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 4808170744Srrs sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 4809170744Srrs } 4810163953Srrs#endif 4811163953Srrs SOCK_LOCK(so); 4812163953Srrs error = solisten_proto_check(so); 4813163953Srrs if (error) { 4814163953Srrs SOCK_UNLOCK(so); 4815169208Srrs SCTP_INP_RUNLOCK(inp); 4816163953Srrs return (error); 4817163953Srrs } 4818181054Srrs if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 4819181054Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 4820181054Srrs /* 4821181054Srrs * The unlucky case - We are in the tcp pool with this guy. 4822181054Srrs * - Someone else is in the main inp slot. - We must move 4823181054Srrs * this guy (the listener) to the main slot - We must then 4824181054Srrs * move the guy that was listener to the TCP Pool. 4825181054Srrs */ 4826181054Srrs if (sctp_swap_inpcb_for_listen(inp)) { 4827181054Srrs goto in_use; 4828181054Srrs } 4829181054Srrs } 4830163953Srrs if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 4831163953Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 4832163953Srrs /* We are already connected AND the TCP model */ 4833181054Srrsin_use: 4834163953Srrs SCTP_INP_RUNLOCK(inp); 4835163953Srrs SOCK_UNLOCK(so); 4836171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 4837163953Srrs return (EADDRINUSE); 4838163953Srrs } 4839181054Srrs SCTP_INP_RUNLOCK(inp); 4840163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 4841163953Srrs /* We must do a bind. */ 4842166675Srrs SOCK_UNLOCK(so); 4843171572Srrs if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) { 4844163953Srrs /* bind error, probably perm */ 4845163953Srrs return (error); 4846163953Srrs } 4847166675Srrs SOCK_LOCK(so); 4848163953Srrs } 4849163953Srrs /* It appears for 7.0 and on, we must always call this. */ 4850163953Srrs solisten_proto(so, backlog); 4851163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 4852163953Srrs /* remove the ACCEPTCONN flag for one-to-many sockets */ 4853163953Srrs so->so_options &= ~SO_ACCEPTCONN; 4854163953Srrs } 4855163953Srrs if (backlog == 0) { 4856163953Srrs /* turning off listen */ 4857163953Srrs so->so_options &= ~SO_ACCEPTCONN; 4858163953Srrs } 4859163953Srrs SOCK_UNLOCK(so); 4860163953Srrs return (error); 4861163953Srrs} 4862163953Srrs 4863163953Srrsstatic int sctp_defered_wakeup_cnt = 0; 4864163953Srrs 4865163953Srrsint 4866163953Srrssctp_accept(struct socket *so, struct sockaddr **addr) 4867163953Srrs{ 4868163953Srrs struct sctp_tcb *stcb; 4869163953Srrs struct sctp_inpcb *inp; 4870163953Srrs union sctp_sockstore store; 4871163953Srrs 4872178251Srrs#ifdef INET6 4873163953Srrs int error; 4874163953Srrs 4875178251Srrs#endif 4876163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 4877163953Srrs 4878163953Srrs if (inp == 0) { 4879171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4880163953Srrs return (ECONNRESET); 4881163953Srrs } 4882163953Srrs SCTP_INP_RLOCK(inp); 4883163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 4884168299Srrs SCTP_INP_RUNLOCK(inp); 4885171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4886171943Srrs return (EOPNOTSUPP); 4887163953Srrs } 4888163953Srrs if (so->so_state & SS_ISDISCONNECTED) { 4889163953Srrs SCTP_INP_RUNLOCK(inp); 4890171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 4891163953Srrs return (ECONNABORTED); 4892163953Srrs } 4893163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 4894163953Srrs if (stcb == NULL) { 4895163953Srrs SCTP_INP_RUNLOCK(inp); 4896171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4897163953Srrs return (ECONNRESET); 4898163953Srrs } 4899163953Srrs SCTP_TCB_LOCK(stcb); 4900163953Srrs SCTP_INP_RUNLOCK(inp); 4901163953Srrs store = stcb->asoc.primary_destination->ro._l_addr; 4902207924Srrs stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE; 4903163953Srrs SCTP_TCB_UNLOCK(stcb); 4904178251Srrs switch (store.sa.sa_family) { 4905221249Stuexen#ifdef INET 4906178251Srrs case AF_INET: 4907178251Srrs { 4908178251Srrs struct sockaddr_in *sin; 4909163953Srrs 4910178251Srrs SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 4911208863Srrs if (sin == NULL) 4912208863Srrs return (ENOMEM); 4913178251Srrs sin->sin_family = AF_INET; 4914178251Srrs sin->sin_len = sizeof(*sin); 4915178251Srrs sin->sin_port = ((struct sockaddr_in *)&store)->sin_port; 4916178251Srrs sin->sin_addr = ((struct sockaddr_in *)&store)->sin_addr; 4917178251Srrs *addr = (struct sockaddr *)sin; 4918178251Srrs break; 4919178251Srrs } 4920221249Stuexen#endif 4921178251Srrs#ifdef INET6 4922178251Srrs case AF_INET6: 4923178251Srrs { 4924178251Srrs struct sockaddr_in6 *sin6; 4925163953Srrs 4926178251Srrs SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 4927208863Srrs if (sin6 == NULL) 4928208863Srrs return (ENOMEM); 4929178251Srrs sin6->sin6_family = AF_INET6; 4930178251Srrs sin6->sin6_len = sizeof(*sin6); 4931178251Srrs sin6->sin6_port = ((struct sockaddr_in6 *)&store)->sin6_port; 4932163953Srrs 4933178251Srrs sin6->sin6_addr = ((struct sockaddr_in6 *)&store)->sin6_addr; 4934178251Srrs if ((error = sa6_recoverscope(sin6)) != 0) { 4935178251Srrs SCTP_FREE_SONAME(sin6); 4936178251Srrs return (error); 4937178251Srrs } 4938178251Srrs *addr = (struct sockaddr *)sin6; 4939178251Srrs break; 4940164085Srrs } 4941178251Srrs#endif 4942178251Srrs default: 4943178251Srrs /* TSNH */ 4944178251Srrs break; 4945163953Srrs } 4946163953Srrs /* Wake any delayed sleep action */ 4947163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 4948166086Srrs SCTP_INP_WLOCK(inp); 4949163953Srrs inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 4950163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 4951163953Srrs inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 4952166086Srrs SCTP_INP_WUNLOCK(inp); 4953163953Srrs SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 4954163953Srrs if (sowriteable(inp->sctp_socket)) { 4955163953Srrs sowwakeup_locked(inp->sctp_socket); 4956163953Srrs } else { 4957163953Srrs SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 4958163953Srrs } 4959166086Srrs SCTP_INP_WLOCK(inp); 4960163953Srrs } 4961163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 4962163953Srrs inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 4963166086Srrs SCTP_INP_WUNLOCK(inp); 4964163953Srrs SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 4965163953Srrs if (soreadable(inp->sctp_socket)) { 4966163953Srrs sctp_defered_wakeup_cnt++; 4967163953Srrs sorwakeup_locked(inp->sctp_socket); 4968163953Srrs } else { 4969163953Srrs SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 4970163953Srrs } 4971166086Srrs SCTP_INP_WLOCK(inp); 4972163953Srrs } 4973166086Srrs SCTP_INP_WUNLOCK(inp); 4974163953Srrs } 4975207924Srrs if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 4976207924Srrs SCTP_TCB_LOCK(stcb); 4977207924Srrs sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7); 4978207924Srrs } 4979163953Srrs return (0); 4980163953Srrs} 4981163953Srrs 4982221249Stuexen#ifdef INET 4983163953Srrsint 4984163953Srrssctp_ingetaddr(struct socket *so, struct sockaddr **addr) 4985163953Srrs{ 4986163953Srrs struct sockaddr_in *sin; 4987167598Srrs uint32_t vrf_id; 4988163953Srrs struct sctp_inpcb *inp; 4989167695Srrs struct sctp_ifa *sctp_ifa; 4990163953Srrs 4991163953Srrs /* 4992163953Srrs * Do the malloc first in case it blocks. 4993163953Srrs */ 4994163953Srrs SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 4995208863Srrs if (sin == NULL) 4996208863Srrs return (ENOMEM); 4997163953Srrs sin->sin_family = AF_INET; 4998163953Srrs sin->sin_len = sizeof(*sin); 4999163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 5000163953Srrs if (!inp) { 5001163953Srrs SCTP_FREE_SONAME(sin); 5002171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5003163953Srrs return ECONNRESET; 5004163953Srrs } 5005163953Srrs SCTP_INP_RLOCK(inp); 5006163953Srrs sin->sin_port = inp->sctp_lport; 5007163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 5008163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 5009163953Srrs struct sctp_tcb *stcb; 5010163953Srrs struct sockaddr_in *sin_a; 5011163953Srrs struct sctp_nets *net; 5012163953Srrs int fnd; 5013163953Srrs 5014163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 5015163953Srrs if (stcb == NULL) { 5016163953Srrs goto notConn; 5017163953Srrs } 5018163953Srrs fnd = 0; 5019163953Srrs sin_a = NULL; 5020163953Srrs SCTP_TCB_LOCK(stcb); 5021163953Srrs TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5022163953Srrs sin_a = (struct sockaddr_in *)&net->ro._l_addr; 5023164085Srrs if (sin_a == NULL) 5024164085Srrs /* this will make coverity happy */ 5025164085Srrs continue; 5026164085Srrs 5027163953Srrs if (sin_a->sin_family == AF_INET) { 5028163953Srrs fnd = 1; 5029163953Srrs break; 5030163953Srrs } 5031163953Srrs } 5032163953Srrs if ((!fnd) || (sin_a == NULL)) { 5033163953Srrs /* punt */ 5034163953Srrs SCTP_TCB_UNLOCK(stcb); 5035163953Srrs goto notConn; 5036163953Srrs } 5037168299Srrs vrf_id = inp->def_vrf_id; 5038167598Srrs sctp_ifa = sctp_source_address_selection(inp, 5039167598Srrs stcb, 5040168299Srrs (sctp_route_t *) & net->ro, 5041167598Srrs net, 0, vrf_id); 5042167598Srrs if (sctp_ifa) { 5043167598Srrs sin->sin_addr = sctp_ifa->address.sin.sin_addr; 5044167598Srrs sctp_free_ifa(sctp_ifa); 5045167598Srrs } 5046163953Srrs SCTP_TCB_UNLOCK(stcb); 5047163953Srrs } else { 5048163953Srrs /* For the bound all case you get back 0 */ 5049163953Srrs notConn: 5050163953Srrs sin->sin_addr.s_addr = 0; 5051163953Srrs } 5052163953Srrs 5053163953Srrs } else { 5054163953Srrs /* Take the first IPv4 address in the list */ 5055163953Srrs struct sctp_laddr *laddr; 5056163953Srrs int fnd = 0; 5057163953Srrs 5058163953Srrs LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5059167598Srrs if (laddr->ifa->address.sa.sa_family == AF_INET) { 5060163953Srrs struct sockaddr_in *sin_a; 5061163953Srrs 5062167598Srrs sin_a = (struct sockaddr_in *)&laddr->ifa->address.sa; 5063163953Srrs sin->sin_addr = sin_a->sin_addr; 5064163953Srrs fnd = 1; 5065163953Srrs break; 5066163953Srrs } 5067163953Srrs } 5068163953Srrs if (!fnd) { 5069163953Srrs SCTP_FREE_SONAME(sin); 5070163953Srrs SCTP_INP_RUNLOCK(inp); 5071171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 5072163953Srrs return ENOENT; 5073163953Srrs } 5074163953Srrs } 5075163953Srrs SCTP_INP_RUNLOCK(inp); 5076163953Srrs (*addr) = (struct sockaddr *)sin; 5077163953Srrs return (0); 5078163953Srrs} 5079163953Srrs 5080163953Srrsint 5081163953Srrssctp_peeraddr(struct socket *so, struct sockaddr **addr) 5082163953Srrs{ 5083163953Srrs struct sockaddr_in *sin = (struct sockaddr_in *)*addr; 5084166086Srrs int fnd; 5085163953Srrs struct sockaddr_in *sin_a; 5086163953Srrs struct sctp_inpcb *inp; 5087163953Srrs struct sctp_tcb *stcb; 5088163953Srrs struct sctp_nets *net; 5089163953Srrs 5090163953Srrs /* Do the malloc first in case it blocks. */ 5091163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 5092163953Srrs if ((inp == NULL) || 5093163953Srrs ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 5094163953Srrs /* UDP type and listeners will drop out here */ 5095171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 5096163953Srrs return (ENOTCONN); 5097163953Srrs } 5098163953Srrs SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 5099208863Srrs if (sin == NULL) 5100208863Srrs return (ENOMEM); 5101163953Srrs sin->sin_family = AF_INET; 5102163953Srrs sin->sin_len = sizeof(*sin); 5103163953Srrs 5104163953Srrs /* We must recapture incase we blocked */ 5105163953Srrs inp = (struct sctp_inpcb *)so->so_pcb; 5106163953Srrs if (!inp) { 5107163953Srrs SCTP_FREE_SONAME(sin); 5108171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5109163953Srrs return ECONNRESET; 5110163953Srrs } 5111163953Srrs SCTP_INP_RLOCK(inp); 5112163953Srrs stcb = LIST_FIRST(&inp->sctp_asoc_list); 5113169420Srrs if (stcb) { 5114163953Srrs SCTP_TCB_LOCK(stcb); 5115169420Srrs } 5116163953Srrs SCTP_INP_RUNLOCK(inp); 5117163953Srrs if (stcb == NULL) { 5118163953Srrs SCTP_FREE_SONAME(sin); 5119171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5120163953Srrs return ECONNRESET; 5121163953Srrs } 5122163953Srrs fnd = 0; 5123163953Srrs TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5124163953Srrs sin_a = (struct sockaddr_in *)&net->ro._l_addr; 5125163953Srrs if (sin_a->sin_family == AF_INET) { 5126163953Srrs fnd = 1; 5127163953Srrs sin->sin_port = stcb->rport; 5128163953Srrs sin->sin_addr = sin_a->sin_addr; 5129163953Srrs break; 5130163953Srrs } 5131163953Srrs } 5132163953Srrs SCTP_TCB_UNLOCK(stcb); 5133163953Srrs if (!fnd) { 5134163953Srrs /* No IPv4 address */ 5135163953Srrs SCTP_FREE_SONAME(sin); 5136171943Srrs SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 5137163953Srrs return ENOENT; 5138163953Srrs } 5139163953Srrs (*addr) = (struct sockaddr *)sin; 5140163953Srrs return (0); 5141163953Srrs} 5142163953Srrs 5143221249Stuexen#ifdef INET 5144163953Srrsstruct pr_usrreqs sctp_usrreqs = { 5145163953Srrs .pru_abort = sctp_abort, 5146163953Srrs .pru_accept = sctp_accept, 5147163953Srrs .pru_attach = sctp_attach, 5148163953Srrs .pru_bind = sctp_bind, 5149163953Srrs .pru_connect = sctp_connect, 5150163953Srrs .pru_control = in_control, 5151163953Srrs .pru_close = sctp_close, 5152163953Srrs .pru_detach = sctp_close, 5153163953Srrs .pru_sopoll = sopoll_generic, 5154178202Srrs .pru_flush = sctp_flush, 5155163953Srrs .pru_disconnect = sctp_disconnect, 5156163953Srrs .pru_listen = sctp_listen, 5157163953Srrs .pru_peeraddr = sctp_peeraddr, 5158163953Srrs .pru_send = sctp_sendm, 5159163953Srrs .pru_shutdown = sctp_shutdown, 5160163953Srrs .pru_sockaddr = sctp_ingetaddr, 5161163953Srrs .pru_sosend = sctp_sosend, 5162163953Srrs .pru_soreceive = sctp_soreceive 5163163953Srrs}; 5164221249Stuexen 5165221249Stuexen#endif 5166221249Stuexen#endif 5167