diff options
Diffstat (limited to 'netwerk/sctp/src/netinet/sctp_usrreq.c')
| -rw-r--r-- | netwerk/sctp/src/netinet/sctp_usrreq.c | 9045 |
1 files changed, 9045 insertions, 0 deletions
diff --git a/netwerk/sctp/src/netinet/sctp_usrreq.c b/netwerk/sctp/src/netinet/sctp_usrreq.c new file mode 100644 index 0000000000..254aea3669 --- /dev/null +++ b/netwerk/sctp/src/netinet/sctp_usrreq.c @@ -0,0 +1,9045 @@ +/*- + * SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. + * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. + * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * a) Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * b) Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the distribution. + * + * c) Neither the name of Cisco Systems, Inc. nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF + * THE POSSIBILITY OF SUCH DAMAGE. + */ + +#if defined(__FreeBSD__) && !defined(__Userspace__) +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); +#endif + +#include <netinet/sctp_os.h> +#if defined(__FreeBSD__) && !defined(__Userspace__) +#include <sys/proc.h> +#endif +#include <netinet/sctp_pcb.h> +#include <netinet/sctp_header.h> +#include <netinet/sctp_var.h> +#ifdef INET6 +#include <netinet6/sctp6_var.h> +#endif +#include <netinet/sctp_sysctl.h> +#include <netinet/sctp_output.h> +#include <netinet/sctp_uio.h> +#include <netinet/sctp_asconf.h> +#include <netinet/sctputil.h> +#include <netinet/sctp_indata.h> +#include <netinet/sctp_timer.h> +#include <netinet/sctp_auth.h> +#include <netinet/sctp_bsd_addr.h> +#if defined(__Userspace__) +#include <netinet/sctp_callout.h> +#else +#include <netinet/udp.h> +#endif +#if defined(__FreeBSD__) && !defined(__Userspace__) +#include <sys/eventhandler.h> +#endif +#if defined(HAVE_SCTP_PEELOFF_SOCKOPT) +#include <netinet/sctp_peeloff.h> +#endif /* HAVE_SCTP_PEELOFF_SOCKOPT */ + +extern const struct sctp_cc_functions sctp_cc_functions[]; +extern const struct sctp_ss_functions sctp_ss_functions[]; + +#if defined(__Userspace__) +void +sctp_init(uint16_t port, + int (*conn_output)(void *addr, void *buffer, size_t length, uint8_t tos, uint8_t set_df), + void (*debug_printf)(const char *format, ...), int start_threads) +#elif defined(__APPLE__) && (!defined(APPLE_LEOPARD) && !defined(APPLE_SNOWLEOPARD) &&!defined(APPLE_LION) && !defined(APPLE_MOUNTAINLION)) +void +sctp_init(struct protosw *pp SCTP_UNUSED, struct domain *dp SCTP_UNUSED) +#elif defined(__FreeBSD__) +static void +sctp_init(void *arg SCTP_UNUSED) +#else +void +sctp_init(void) +#endif +{ +#if !defined(__Userspace__) + u_long sb_max_adj; + +#else + init_random(); +#endif + /* Initialize and modify the sysctled variables */ + sctp_init_sysctls(); +#if defined(__Userspace__) + SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = port; +#else +#if defined(__APPLE__) && !defined(__Userspace__) + sb_max_adj = (u_long)((u_quad_t) (sb_max) * MCLBYTES / (MSIZE + MCLBYTES)); + SCTP_BASE_SYSCTL(sctp_sendspace) = sb_max_adj; +#else + if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) + SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); + /* + * Allow a user to take no more than 1/2 the number of clusters or + * the SB_MAX, whichever is smaller, for the send window. + */ + sb_max_adj = (u_long)((u_quad_t) (SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); + SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, + (((uint32_t)nmbclusters / 2) * MCLBYTES)); +#endif + /* + * Now for the recv window, should we take the same amount? or + * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For + * now I will just copy. + */ + SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); +#endif + SCTP_BASE_VAR(first_time) = 0; + SCTP_BASE_VAR(sctp_pcb_initialized) = 0; +#if defined(__Userspace__) +#if !defined(_WIN32) +#if defined(INET) || defined(INET6) + SCTP_BASE_VAR(userspace_route) = -1; +#endif +#endif +#ifdef INET + SCTP_BASE_VAR(userspace_rawsctp) = -1; + SCTP_BASE_VAR(userspace_udpsctp) = -1; +#endif +#ifdef INET6 + SCTP_BASE_VAR(userspace_rawsctp6) = -1; + SCTP_BASE_VAR(userspace_udpsctp6) = -1; +#endif + SCTP_BASE_VAR(timer_thread_should_exit) = 0; + SCTP_BASE_VAR(conn_output) = conn_output; + SCTP_BASE_VAR(debug_printf) = debug_printf; + SCTP_BASE_VAR(crc32c_offloaded) = 0; + SCTP_BASE_VAR(iterator_thread_started) = 0; + SCTP_BASE_VAR(timer_thread_started) = 0; +#endif +#if defined(__Userspace__) + sctp_pcb_init(start_threads); + if (start_threads) { + sctp_start_timer_thread(); + } +#else + sctp_pcb_init(); +#endif +#if defined(SCTP_PACKET_LOGGING) + SCTP_BASE_VAR(packet_log_writers) = 0; + SCTP_BASE_VAR(packet_log_end) = 0; + memset(&SCTP_BASE_VAR(packet_log_buffer), 0, SCTP_PACKET_LOG_SIZE); +#endif +#if defined(__APPLE__) && !defined(__Userspace__) + SCTP_BASE_VAR(sctp_main_timer_ticks) = 0; + sctp_start_main_timer(); + timeout(sctp_delayed_startup, NULL, 1); +#endif +#if defined(__FreeBSD__) && !defined(__Userspace__) + SCTP_BASE_VAR(eh_tag) = EVENTHANDLER_REGISTER(rt_addrmsg, + sctp_addr_change_event_handler, NULL, EVENTHANDLER_PRI_FIRST); +#endif +} +#if defined(__FreeBSD__) && !defined(__Userspace__) +VNET_SYSINIT(sctp_init, SI_SUB_PROTO_DOMAIN, SI_ORDER_THIRD, sctp_init, NULL); + +#ifdef VIMAGE +static void +sctp_finish(void *unused __unused) +{ + EVENTHANDLER_DEREGISTER(rt_addrmsg, SCTP_BASE_VAR(eh_tag)); + sctp_pcb_finish(); +} +VNET_SYSUNINIT(sctp, SI_SUB_PROTO_DOMAIN, SI_ORDER_FOURTH, sctp_finish, NULL); +#endif +#else +void +sctp_finish(void) +{ +#if defined(__APPLE__) && !defined(__Userspace__) + untimeout(sctp_delayed_startup, NULL); + sctp_over_udp_stop(); + sctp_address_monitor_stop(); + sctp_stop_main_timer(); +#endif +#if defined(__Userspace__) +#if defined(INET) || defined(INET6) + recv_thread_destroy(); +#endif + sctp_stop_timer_thread(); +#endif + sctp_pcb_finish(); +#if defined(_WIN32) && !defined(__Userspace__) + sctp_finish_sysctls(); +#endif +#if defined(__Userspace__) + finish_random(); +#endif +} +#endif + +void +sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint32_t mtu, bool resend) +{ + struct sctp_association *asoc; + struct sctp_tmit_chunk *chk; + uint32_t overhead; + + asoc = &stcb->asoc; + KASSERT(mtu < asoc->smallest_mtu, + ("Currently only reducing association MTU %u supported (MTU %u)", + asoc->smallest_mtu, mtu)); + asoc->smallest_mtu = mtu; + if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { + overhead = SCTP_MIN_OVERHEAD; + } else { +#if defined(__Userspace__) + if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_CONN) { + overhead = sizeof(struct sctphdr); + } else { + overhead = SCTP_MIN_V4_OVERHEAD; + } +#else + overhead = SCTP_MIN_V4_OVERHEAD; +#endif + } + if (asoc->idata_supported) { + if (sctp_auth_is_required_chunk(SCTP_IDATA, asoc->peer_auth_chunks)) { + overhead += sctp_get_auth_chunk_len(asoc->peer_hmac_id); + } + } else { + if (sctp_auth_is_required_chunk(SCTP_DATA, asoc->peer_auth_chunks)) { + overhead += sctp_get_auth_chunk_len(asoc->peer_hmac_id); + } + } + KASSERT(overhead % 4 == 0, + ("overhead (%u) not a multiple of 4", overhead)); + TAILQ_FOREACH(chk, &asoc->send_queue, sctp_next) { + if (((uint32_t)chk->send_size + overhead) > mtu) { + chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; + } + } + TAILQ_FOREACH(chk, &asoc->sent_queue, sctp_next) { + if (((uint32_t)chk->send_size + overhead) > mtu) { + chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; + if (resend && chk->sent < SCTP_DATAGRAM_RESEND) { + /* + * If requested, mark the chunk for immediate + * resend, since we sent it being too big. + */ + sctp_flight_size_decrease(chk); + sctp_total_flight_decrease(stcb, chk); + chk->sent = SCTP_DATAGRAM_RESEND; + sctp_ucount_incr(asoc->sent_queue_retran_cnt); + chk->rec.data.doing_fast_retransmit = 0; + if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { + sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, + chk->whoTo->flight_size, + chk->book_size, + (uint32_t)(uintptr_t)chk->whoTo, + chk->rec.data.tsn); + } + /* Clear any time, so NO RTT is being done. */ + if (chk->do_rtt == 1) { + chk->do_rtt = 0; + chk->whoTo->rto_needed = 1; + } + } + } + } +} + +#ifdef INET +#if !defined(__Userspace__) +void +sctp_notify(struct sctp_inpcb *inp, + struct sctp_tcb *stcb, + struct sctp_nets *net, + uint8_t icmp_type, + uint8_t icmp_code, + uint16_t ip_len, + uint32_t next_mtu) +{ +#if defined(__APPLE__) && !defined(__Userspace__) + struct socket *so; +#endif + int timer_stopped; + + if (icmp_type != ICMP_UNREACH) { + /* We only care about unreachable */ + SCTP_TCB_UNLOCK(stcb); + return; + } + if ((icmp_code == ICMP_UNREACH_NET) || + (icmp_code == ICMP_UNREACH_HOST) || + (icmp_code == ICMP_UNREACH_NET_UNKNOWN) || + (icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || + (icmp_code == ICMP_UNREACH_ISOLATED) || + (icmp_code == ICMP_UNREACH_NET_PROHIB) || + (icmp_code == ICMP_UNREACH_HOST_PROHIB) || +#if defined(__NetBSD__) + (icmp_code == ICMP_UNREACH_ADMIN_PROHIBIT)) { +#else + (icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { +#endif + /* Mark the net unreachable. */ + if (net->dest_state & SCTP_ADDR_REACHABLE) { + /* OK, that destination is NOT reachable. */ + net->dest_state &= ~SCTP_ADDR_REACHABLE; + net->dest_state &= ~SCTP_ADDR_PF; + sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, + stcb, 0, + (void *)net, SCTP_SO_NOT_LOCKED); + } + SCTP_TCB_UNLOCK(stcb); + } else if ((icmp_code == ICMP_UNREACH_PROTOCOL) || + (icmp_code == ICMP_UNREACH_PORT)) { + /* Treat it like an ABORT. */ + sctp_abort_notification(stcb, true, false, 0, NULL, SCTP_SO_NOT_LOCKED); +#if defined(__APPLE__) && !defined(__Userspace__) + so = SCTP_INP_SO(inp); + atomic_add_int(&stcb->asoc.refcnt, 1); + SCTP_TCB_UNLOCK(stcb); + SCTP_SOCKET_LOCK(so, 1); + SCTP_TCB_LOCK(stcb); + atomic_subtract_int(&stcb->asoc.refcnt, 1); +#endif + (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, + SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); +#if defined(__APPLE__) && !defined(__Userspace__) + SCTP_SOCKET_UNLOCK(so, 1); + /* SCTP_TCB_UNLOCK(stcb); MT: I think this is not needed.*/ +#endif + /* no need to unlock here, since the TCB is gone */ + } else if (icmp_code == ICMP_UNREACH_NEEDFRAG) { + if (net->dest_state & SCTP_ADDR_NO_PMTUD) { + SCTP_TCB_UNLOCK(stcb); + return; + } + /* Find the next (smaller) MTU */ + if (next_mtu == 0) { + /* + * Old type router that does not tell us what the next + * MTU is. + * Rats we will have to guess (in a educated fashion + * of course). + */ + next_mtu = sctp_get_prev_mtu(ip_len); + } + /* Stop the PMTU timer. */ + if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { + timer_stopped = 1; + sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, + SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); + } else { + timer_stopped = 0; + } + /* Update the path MTU. */ + if (net->port) { + next_mtu -= sizeof(struct udphdr); + } + if (net->mtu > next_mtu) { + net->mtu = next_mtu; +#if defined(__FreeBSD__) && !defined(__Userspace__) + if (net->port) { + sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu + sizeof(struct udphdr)); + } else { + sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu); + } +#endif + } + /* Update the association MTU */ + if (stcb->asoc.smallest_mtu > next_mtu) { + sctp_pathmtu_adjustment(stcb, next_mtu, true); + } + /* Finally, start the PMTU timer if it was running before. */ + if (timer_stopped) { + sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); + } + SCTP_TCB_UNLOCK(stcb); + } else { + SCTP_TCB_UNLOCK(stcb); + } +} +#endif + +#if !defined(__Userspace__) +#if defined(__FreeBSD__) +void sctp_ctlinput(struct icmp *icmp) +{ + struct ip *inner_ip, *outer_ip; + struct sctphdr *sh; + struct sctp_inpcb *inp; + struct sctp_tcb *stcb; + struct sctp_nets *net; + struct sctp_init_chunk *ch; + struct sockaddr_in src, dst; + + if (icmp_errmap(icmp) == 0) + return; + + outer_ip = (struct ip *)((caddr_t)icmp - sizeof(struct ip)); + inner_ip = &icmp->icmp_ip; + sh = (struct sctphdr *)((caddr_t)inner_ip + (inner_ip->ip_hl << 2)); + memset(&src, 0, sizeof(struct sockaddr_in)); + src.sin_family = AF_INET; + src.sin_len = sizeof(struct sockaddr_in); + src.sin_port = sh->src_port; + src.sin_addr = inner_ip->ip_src; + memset(&dst, 0, sizeof(struct sockaddr_in)); + dst.sin_family = AF_INET; + dst.sin_len = sizeof(struct sockaddr_in); + dst.sin_port = sh->dest_port; + dst.sin_addr = inner_ip->ip_dst; + /* + * 'dst' holds the dest of the packet that failed to be sent. + * 'src' holds our local endpoint address. Thus we reverse + * the dst and the src in the lookup. + */ + inp = NULL; + net = NULL; + stcb = sctp_findassociation_addr_sa((struct sockaddr *)&dst, + (struct sockaddr *)&src, + &inp, &net, 1, + SCTP_DEFAULT_VRFID); + if ((stcb != NULL) && + (net != NULL) && + (inp != NULL)) { + /* Check the verification tag */ + if (ntohl(sh->v_tag) != 0) { + /* + * This must be the verification tag used for + * sending out packets. We don't consider + * packets reflecting the verification tag. + */ + if (ntohl(sh->v_tag) != stcb->asoc.peer_vtag) { + SCTP_TCB_UNLOCK(stcb); + return; + } + } else { + if (ntohs(outer_ip->ip_len) >= + sizeof(struct ip) + + 8 + (inner_ip->ip_hl << 2) + 20) { + /* + * In this case we can check if we + * got an INIT chunk and if the + * initiate tag matches. + */ + ch = (struct sctp_init_chunk *)(sh + 1); + if ((ch->ch.chunk_type != SCTP_INITIATION) || + (ntohl(ch->init.initiate_tag) != stcb->asoc.my_vtag)) { + SCTP_TCB_UNLOCK(stcb); + return; + } + } else { + SCTP_TCB_UNLOCK(stcb); + return; + } + } + sctp_notify(inp, stcb, net, + icmp->icmp_type, + icmp->icmp_code, + ntohs(inner_ip->ip_len), + (uint32_t)ntohs(icmp->icmp_nextmtu)); + } else { + if ((stcb == NULL) && (inp != NULL)) { + /* reduce ref-count */ + SCTP_INP_WLOCK(inp); + SCTP_INP_DECR_REF(inp); + SCTP_INP_WUNLOCK(inp); + } + if (stcb) { + SCTP_TCB_UNLOCK(stcb); + } + } +} +#else +void +#if defined(__APPLE__) && !defined(APPLE_LEOPARD) && !defined(APPLE_SNOWLEOPARD) && !defined(APPLE_LION) && !defined(APPLE_MOUNTAINLION) && !defined(APPLE_ELCAPITAN) +sctp_ctlinput(int cmd, struct sockaddr *sa, void *vip, struct ifnet *ifp SCTP_UNUSED) +#else +sctp_ctlinput(int cmd, struct sockaddr *sa, void *vip) +#endif +{ + struct ip *inner_ip; + struct sctphdr *sh; + struct icmp *icmp; + struct sctp_inpcb *inp; + struct sctp_tcb *stcb; + struct sctp_nets *net; + struct sockaddr_in src, dst; + +#if !defined(__FreeBSD__) && !defined(__Userspace__) + if (sa->sa_family != AF_INET || + ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) { + return; + } +#endif + if (PRC_IS_REDIRECT(cmd)) { + vip = NULL; + } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) { + return; + } + if (vip != NULL) { + inner_ip = (struct ip *)vip; + icmp = (struct icmp *)((caddr_t)inner_ip - + (sizeof(struct icmp) - sizeof(struct ip))); + sh = (struct sctphdr *)((caddr_t)inner_ip + (inner_ip->ip_hl << 2)); + memset(&src, 0, sizeof(struct sockaddr_in)); + src.sin_family = AF_INET; +#ifdef HAVE_SIN_LEN + src.sin_len = sizeof(struct sockaddr_in); +#endif + src.sin_port = sh->src_port; + src.sin_addr = inner_ip->ip_src; + memset(&dst, 0, sizeof(struct sockaddr_in)); + dst.sin_family = AF_INET; +#ifdef HAVE_SIN_LEN + dst.sin_len = sizeof(struct sockaddr_in); +#endif + dst.sin_port = sh->dest_port; + dst.sin_addr = inner_ip->ip_dst; + /* + * 'dst' holds the dest of the packet that failed to be sent. + * 'src' holds our local endpoint address. Thus we reverse + * the dst and the src in the lookup. + */ + inp = NULL; + net = NULL; + stcb = sctp_findassociation_addr_sa((struct sockaddr *)&dst, + (struct sockaddr *)&src, + &inp, &net, 1, + SCTP_DEFAULT_VRFID); + if ((stcb != NULL) && + (net != NULL) && + (inp != NULL)) { + /* Check the verification tag */ + if (ntohl(sh->v_tag) != 0) { + /* + * This must be the verification tag used for + * sending out packets. We don't consider + * packets reflecting the verification tag. + */ + if (ntohl(sh->v_tag) != stcb->asoc.peer_vtag) { + SCTP_TCB_UNLOCK(stcb); + return; + } + } else { + SCTP_TCB_UNLOCK(stcb); + return; + } + sctp_notify(inp, stcb, net, + icmp->icmp_type, + icmp->icmp_code, + inner_ip->ip_len, + (uint32_t)ntohs(icmp->icmp_nextmtu)); +#if defined(__Userspace__) + if (((stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && + (stcb->sctp_socket != NULL)) { + struct socket *upcall_socket; + + upcall_socket = stcb->sctp_socket; + SOCK_LOCK(upcall_socket); + soref(upcall_socket); + SOCK_UNLOCK(upcall_socket); + if ((upcall_socket->so_upcall != NULL) && + (upcall_socket->so_error != 0)) { + (*upcall_socket->so_upcall)(upcall_socket, upcall_socket->so_upcallarg, M_NOWAIT); + } + ACCEPT_LOCK(); + SOCK_LOCK(upcall_socket); + sorele(upcall_socket); + } +#endif + } else { + if ((stcb == NULL) && (inp != NULL)) { + /* reduce ref-count */ + SCTP_INP_WLOCK(inp); + SCTP_INP_DECR_REF(inp); + SCTP_INP_WUNLOCK(inp); + } + if (stcb) { + SCTP_TCB_UNLOCK(stcb); + } + } + } + return; +} +#endif +#endif +#endif + +#if defined(__FreeBSD__) && !defined(__Userspace__) +static int +sctp_getcred(SYSCTL_HANDLER_ARGS) +{ + struct xucred xuc; + struct sockaddr_in addrs[2]; + struct sctp_inpcb *inp; + struct sctp_nets *net; + struct sctp_tcb *stcb; + int error; + uint32_t vrf_id; + + /* FIX, for non-bsd is this right? */ + vrf_id = SCTP_DEFAULT_VRFID; + + error = priv_check(req->td, PRIV_NETINET_GETCRED); + + if (error) + return (error); + + error = SYSCTL_IN(req, addrs, sizeof(addrs)); + if (error) + return (error); + + stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), + sintosa(&addrs[0]), + &inp, &net, 1, vrf_id); + if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { + if ((inp != NULL) && (stcb == NULL)) { + /* reduce ref-count */ + SCTP_INP_WLOCK(inp); + SCTP_INP_DECR_REF(inp); + goto cred_can_cont; + } + + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); + error = ENOENT; + goto out; + } + SCTP_TCB_UNLOCK(stcb); + /* We use the write lock here, only + * since in the error leg we need it. + * If we used RLOCK, then we would have + * to wlock/decr/unlock/rlock. Which + * in theory could create a hole. Better + * to use higher wlock. + */ + SCTP_INP_WLOCK(inp); + cred_can_cont: + error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); + if (error) { + SCTP_INP_WUNLOCK(inp); + goto out; + } + cru2x(inp->sctp_socket->so_cred, &xuc); + SCTP_INP_WUNLOCK(inp); + error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); +out: + return (error); +} + +SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, + CTLTYPE_OPAQUE | CTLFLAG_RW | CTLFLAG_NEEDGIANT, + 0, 0, sctp_getcred, "S,ucred", + "Get the ucred of a SCTP connection"); +#endif + +#ifdef INET +#if defined(_WIN32) || defined(__Userspace__) +int +#elif defined(__FreeBSD__) +static void +#else +static int +#endif +sctp_abort(struct socket *so) +{ +#if defined(__FreeBSD__) && !defined(__Userspace__) + struct epoch_tracker et; +#endif + struct sctp_inpcb *inp; + + inp = (struct sctp_inpcb *)so->so_pcb; + if (inp == NULL) { +#if defined(__FreeBSD__) && !defined(__Userspace__) + return; +#else + SCTP_LTRACE_ERR_RET(NULL, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + return (EINVAL); +#endif + } + + SCTP_INP_WLOCK(inp); +#if defined(__FreeBSD__) && !defined(__Userspace__) + NET_EPOCH_ENTER(et); +#endif +#ifdef SCTP_LOG_CLOSING + sctp_log_closing(inp, NULL, 17); +#endif + if (((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0)) { + inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP; +#ifdef SCTP_LOG_CLOSING + sctp_log_closing(inp, NULL, 16); +#endif + SCTP_INP_WUNLOCK(inp); + sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, + SCTP_CALLED_AFTER_CMPSET_OFCLOSE); + SOCK_LOCK(so); +#if defined(__FreeBSD__) && !defined(__Userspace__) + KASSERT(!SOLISTENING(so), + ("sctp_abort: called on listening socket %p", so)); +#endif + SCTP_SB_CLEAR(so->so_snd); + SCTP_SB_CLEAR(so->so_rcv); +#if defined(__APPLE__) && !defined(__Userspace__) + so->so_usecount--; +#else + /* Now null out the reference, we are completely detached. */ + so->so_pcb = NULL; +#endif + SOCK_UNLOCK(so); + } else { + SCTP_INP_WUNLOCK(inp); + } +#if defined(__FreeBSD__) && !defined(__Userspace__) + NET_EPOCH_EXIT(et); +#else + return (0); +#endif +} + +#if defined(__Userspace__) +int +#else +static int +#endif +#if defined(__Userspace__) +sctp_attach(struct socket *so, int proto SCTP_UNUSED, uint32_t vrf_id) +#elif defined(__FreeBSD__) +sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) +#elif defined(_WIN32) +sctp_attach(struct socket *so, int proto SCTP_UNUSED, PKTHREAD p SCTP_UNUSED) +#else +sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct proc *p SCTP_UNUSED) +#endif +{ + struct sctp_inpcb *inp; + struct inpcb *ip_inp; + int error; +#if !defined(__Userspace__) + uint32_t vrf_id = SCTP_DEFAULT_VRFID; +#endif + + inp = (struct sctp_inpcb *)so->so_pcb; + if (inp != NULL) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + return (EINVAL); + } + if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { + error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); + if (error) { + return (error); + } + } + error = sctp_inpcb_alloc(so, vrf_id); + if (error) { + return (error); + } + inp = (struct sctp_inpcb *)so->so_pcb; + SCTP_INP_WLOCK(inp); + inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ + ip_inp = &inp->ip_inp.inp; + ip_inp->inp_vflag |= INP_IPV4; + ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); + SCTP_INP_WUNLOCK(inp); + return (0); +} + +#if defined(__Userspace__) +int +sctp_bind(struct socket *so, struct sockaddr *addr) { + void *p = NULL; +#elif defined(__FreeBSD__) +static int +sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) +{ +#elif defined(__APPLE__) +static int +sctp_bind(struct socket *so, struct sockaddr *addr, struct proc *p) { +#elif defined(_WIN32) +static int +sctp_bind(struct socket *so, struct sockaddr *addr, PKTHREAD p) { +#else +static int +sctp_bind(struct socket *so, struct mbuf *nam, struct proc *p) +{ + struct sockaddr *addr = nam ? mtod(nam, struct sockaddr *): NULL; + +#endif + struct sctp_inpcb *inp; + + inp = (struct sctp_inpcb *)so->so_pcb; + if (inp == NULL) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + return (EINVAL); + } + if (addr != NULL) { +#ifdef HAVE_SA_LEN + if ((addr->sa_family != AF_INET) || + (addr->sa_len != sizeof(struct sockaddr_in))) { +#else + if (addr->sa_family != AF_INET) { +#endif + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + return (EINVAL); + } + } + return (sctp_inpcb_bind(so, addr, NULL, p)); +} + +#endif +#if defined(__Userspace__) + +int +sctpconn_attach(struct socket *so, int proto SCTP_UNUSED, uint32_t vrf_id) +{ + struct sctp_inpcb *inp; + struct inpcb *ip_inp; + int error; + + inp = (struct sctp_inpcb *)so->so_pcb; + if (inp != NULL) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + return (EINVAL); + } + if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { + error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); + if (error) { + return (error); + } + } + error = sctp_inpcb_alloc(so, vrf_id); + if (error) { + return (error); + } + inp = (struct sctp_inpcb *)so->so_pcb; + SCTP_INP_WLOCK(inp); + inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; + inp->sctp_flags |= SCTP_PCB_FLAGS_BOUND_CONN; + ip_inp = &inp->ip_inp.inp; + ip_inp->inp_vflag |= INP_CONN; + ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); + SCTP_INP_WUNLOCK(inp); + return (0); +} + +int +sctpconn_bind(struct socket *so, struct sockaddr *addr) +{ + struct sctp_inpcb *inp; + + inp = (struct sctp_inpcb *)so->so_pcb; + if (inp == NULL) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + return (EINVAL); + } + if (addr != NULL) { +#ifdef HAVE_SA_LEN + if ((addr->sa_family != AF_CONN) || + (addr->sa_len != sizeof(struct sockaddr_conn))) { +#else + if (addr->sa_family != AF_CONN) { +#endif + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + return (EINVAL); + } + } + return (sctp_inpcb_bind(so, addr, NULL, NULL)); +} + +#endif +#if defined(__FreeBSD__) || defined(_WIN32) || defined(__Userspace__) +void +sctp_close(struct socket *so) +{ +#if defined(__FreeBSD__) && !defined(__Userspace__) + struct epoch_tracker et; +#endif + struct sctp_inpcb *inp; + + inp = (struct sctp_inpcb *)so->so_pcb; + if (inp == NULL) + return; + + /* Inform all the lower layer assoc that we + * are done. + */ + SCTP_INP_WLOCK(inp); +#if defined(__FreeBSD__) && !defined(__Userspace__) + NET_EPOCH_ENTER(et); +#endif +#ifdef SCTP_LOG_CLOSING + sctp_log_closing(inp, NULL, 17); +#endif + if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { + inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP; +#if defined(__Userspace__) + if (((so->so_options & SCTP_SO_LINGER) && (so->so_linger == 0)) || + (SCTP_SBAVAIL(&so->so_rcv) > 0)) { +#else + if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || + (SCTP_SBAVAIL(&so->so_rcv) > 0)) { +#endif +#ifdef SCTP_LOG_CLOSING + sctp_log_closing(inp, NULL, 13); +#endif + SCTP_INP_WUNLOCK(inp); + sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, + SCTP_CALLED_AFTER_CMPSET_OFCLOSE); + } else { +#ifdef SCTP_LOG_CLOSING + sctp_log_closing(inp, NULL, 14); +#endif + SCTP_INP_WUNLOCK(inp); + sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, + SCTP_CALLED_AFTER_CMPSET_OFCLOSE); + } + /* The socket is now detached, no matter what + * the state of the SCTP association. + */ + SOCK_LOCK(so); +#if defined(__FreeBSD__) && !defined(__Userspace__) + if (!SOLISTENING(so)) { + SCTP_SB_CLEAR(so->so_snd); + SCTP_SB_CLEAR(so->so_rcv); + } +#else + SCTP_SB_CLEAR(so->so_snd); + SCTP_SB_CLEAR(so->so_rcv); +#endif +#if !(defined(__APPLE__) && !defined(__Userspace__)) + /* Now null out the reference, we are completely detached. */ + so->so_pcb = NULL; +#endif + SOCK_UNLOCK(so); + } else { + SCTP_INP_WUNLOCK(inp); + } +#if defined(__FreeBSD__) && !defined(__Userspace__) + NET_EPOCH_EXIT(et); +#endif +} +#else +int +sctp_detach(struct socket *so) +{ + struct sctp_inpcb *inp; + uint32_t flags; + + inp = (struct sctp_inpcb *)so->so_pcb; + if (inp == NULL) { +#if defined(__FreeBSD__) && !defined(__Userspace__) + return; +#else + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + return (EINVAL); +#endif + } + sctp_must_try_again: + flags = inp->sctp_flags; +#ifdef SCTP_LOG_CLOSING + sctp_log_closing(inp, NULL, 17); +#endif + if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && + (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) { +#if defined(__Userspace__) + if (((so->so_options & SCTP_SO_LINGER) && (so->so_linger == 0)) || + (SCTP_SBAVAIL(&so->so_rcv) > 0)) { +#else + if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || + (SCTP_SBAVAIL(&so->so_rcv) > 0)) { +#endif +#ifdef SCTP_LOG_CLOSING + sctp_log_closing(inp, NULL, 13); +#endif + sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, + SCTP_CALLED_AFTER_CMPSET_OFCLOSE); + } else { +#ifdef SCTP_LOG_CLOSING + sctp_log_closing(inp, NULL, 13); +#endif + sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, + SCTP_CALLED_AFTER_CMPSET_OFCLOSE); + } + /* The socket is now detached, no matter what + * the state of the SCTP association. + */ + SCTP_SB_CLEAR(so->so_snd); + /* same for the rcv ones, they are only + * here for the accounting/select. + */ + SCTP_SB_CLEAR(so->so_rcv); +#if !(defined(__APPLE__) && !defined(__Userspace__)) + /* Now disconnect */ + so->so_pcb = NULL; +#endif + } else { + flags = inp->sctp_flags; + if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { + goto sctp_must_try_again; + } + } +#if defined(__FreeBSD__) && !defined(__Userspace__) + return; +#else + return (0); +#endif +} +#endif + +#if defined(__Userspace__) +/* __Userspace__ is not calling sctp_sendm */ +#endif +#if !(defined(_WIN32) && !defined(__Userspace__)) +int +#if defined(__FreeBSD__) && !defined(__Userspace__) +sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, + struct mbuf *control, struct thread *p); + +#else +sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, + struct mbuf *control, struct proc *p); + +#endif +int +#if defined(__FreeBSD__) && !defined(__Userspace__) +sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, + struct mbuf *control, struct thread *p) +{ +#else +sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, + struct mbuf *control, struct proc *p) +{ +#endif + struct sctp_inpcb *inp; + int error; + + inp = (struct sctp_inpcb *)so->so_pcb; + if (inp == NULL) { + if (control) { + sctp_m_freem(control); + control = NULL; + } + SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + sctp_m_freem(m); + return (EINVAL); + } + /* Got to have an to address if we are NOT a connected socket */ + if ((addr == NULL) && + ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || + (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { + goto connected_type; + } + + error = 0; + if (addr == NULL) { + SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); + error = EDESTADDRREQ; + } else if (addr->sa_family != AF_INET) { + SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); + error = EAFNOSUPPORT; +#if defined(HAVE_SA_LEN) + } else if (addr->sa_len != sizeof(struct sockaddr_in)) { + SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; +#endif + } + if (error != 0) { + sctp_m_freem(m); + if (control) { + sctp_m_freem(control); + control = NULL; + } + return (error); + } +connected_type: + /* now what about control */ + if (control) { + if (inp->control) { + sctp_m_freem(inp->control); + inp->control = NULL; + } + inp->control = control; + } + /* Place the data */ + if (inp->pkt) { + SCTP_BUF_NEXT(inp->pkt_last) = m; + inp->pkt_last = m; + } else { + inp->pkt_last = inp->pkt = m; + } + if ( +#if (defined(__FreeBSD__) || defined(__APPLE__)) && !defined(__Userspace__) + /* FreeBSD uses a flag passed */ + ((flags & PRUS_MORETOCOME) == 0) +#else + 1 /* Open BSD does not have any "more to come" + * indication */ +#endif + ) { + /* + * note with the current version this code will only be used + * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for + * re-defining sosend to use the sctp_sosend. One can + * optionally switch back to this code (by changing back the + * definitions) but this is not advisable. This code is used + * by FreeBSD when sending a file with sendfile() though. + */ +#if defined(__FreeBSD__) && !defined(__Userspace__) + struct epoch_tracker et; +#endif + int ret; + +#if defined(__FreeBSD__) && !defined(__Userspace__) + NET_EPOCH_ENTER(et); +#endif + ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); +#if defined(__FreeBSD__) && !defined(__Userspace__) + NET_EPOCH_EXIT(et); +#endif + inp->pkt = NULL; + inp->control = NULL; + return (ret); + } else { + return (0); + } +} +#endif + +int +sctp_disconnect(struct socket *so) +{ + struct sctp_inpcb *inp; + + inp = (struct sctp_inpcb *)so->so_pcb; + if (inp == NULL) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); + return (ENOTCONN); + } + SCTP_INP_RLOCK(inp); + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { + if (LIST_EMPTY(&inp->sctp_asoc_list)) { + /* No connection */ + SCTP_INP_RUNLOCK(inp); + return (0); + } else { +#if defined(__FreeBSD__) && !defined(__Userspace__) + struct epoch_tracker et; +#endif + struct sctp_association *asoc; + struct sctp_tcb *stcb; + + stcb = LIST_FIRST(&inp->sctp_asoc_list); + if (stcb == NULL) { + SCTP_INP_RUNLOCK(inp); + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + return (EINVAL); + } + SCTP_TCB_LOCK(stcb); + asoc = &stcb->asoc; + if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { + /* We are about to be freed, out of here */ + SCTP_TCB_UNLOCK(stcb); + SCTP_INP_RUNLOCK(inp); + return (0); + } +#if defined(__FreeBSD__) && !defined(__Userspace__) + NET_EPOCH_ENTER(et); +#endif +#if defined(__Userspace__) + if (((so->so_options & SCTP_SO_LINGER) && (so->so_linger == 0)) || + (SCTP_SBAVAIL(&so->so_rcv) > 0)) { +#else + if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || + (SCTP_SBAVAIL(&so->so_rcv) > 0)) { +#endif + if (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) { + /* Left with Data unread */ + struct mbuf *op_err; + + op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); + sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); + SCTP_STAT_INCR_COUNTER32(sctps_aborted); + } + SCTP_INP_RUNLOCK(inp); + if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || + (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { + SCTP_STAT_DECR_GAUGE32(sctps_currestab); + } + (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, + SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); + /* No unlock tcb assoc is gone */ +#if defined(__FreeBSD__) && !defined(__Userspace__) + NET_EPOCH_EXIT(et); +#endif + return (0); + } + if (TAILQ_EMPTY(&asoc->send_queue) && + TAILQ_EMPTY(&asoc->sent_queue) && + (asoc->stream_queue_cnt == 0)) { + /* there is nothing queued to send, so done */ + if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete)(stcb, asoc)) { + goto abort_anyway; + } + if ((SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_SENT) && + (SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { + /* only send SHUTDOWN 1st time thru */ + struct sctp_nets *netp; + + if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || + (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { + SCTP_STAT_DECR_GAUGE32(sctps_currestab); + } + SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); + sctp_stop_timers_for_shutdown(stcb); + if (stcb->asoc.alternate) { + netp = stcb->asoc.alternate; + } else { + netp = stcb->asoc.primary_destination; + } + sctp_send_shutdown(stcb,netp); + sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, + stcb->sctp_ep, stcb, netp); + sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, + stcb->sctp_ep, stcb, NULL); + sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED); + } + } else { + /* + * we still got (or just got) data to send, + * so set SHUTDOWN_PENDING + */ + /* + * XXX sockets draft says that SCTP_EOF + * should be sent with no data. currently, + * we will allow user data to be sent first + * and move to SHUTDOWN-PENDING + */ + SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); + sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, NULL); + if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete)(stcb, asoc)) { + SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); + } + if (TAILQ_EMPTY(&asoc->send_queue) && + TAILQ_EMPTY(&asoc->sent_queue) && + (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { + struct mbuf *op_err; + abort_anyway: + op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); + stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; + sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); + SCTP_STAT_INCR_COUNTER32(sctps_aborted); + if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || + (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { + SCTP_STAT_DECR_GAUGE32(sctps_currestab); + } + SCTP_INP_RUNLOCK(inp); + (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, + SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); +#if defined(__FreeBSD__) && !defined(__Userspace__) + NET_EPOCH_EXIT(et); +#endif + return (0); + } else { + sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); + } + } + soisdisconnecting(so); +#if defined(__FreeBSD__) && !defined(__Userspace__) + NET_EPOCH_EXIT(et); +#endif + SCTP_TCB_UNLOCK(stcb); + SCTP_INP_RUNLOCK(inp); + return (0); + } + /* not reached */ + } else { + /* UDP model does not support this */ + SCTP_INP_RUNLOCK(inp); + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); + return (EOPNOTSUPP); + } +} + +#if defined(__FreeBSD__) || defined(_WIN32) || defined(__Userspace__) +int +sctp_flush(struct socket *so, int how) +{ + /* + * We will just clear out the values and let + * subsequent close clear out the data, if any. + * Note if the user did a shutdown(SHUT_RD) they + * will not be able to read the data, the socket + * will block that from happening. + */ + struct sctp_inpcb *inp; + + inp = (struct sctp_inpcb *)so->so_pcb; + if (inp == NULL) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + return (EINVAL); + } + SCTP_INP_RLOCK(inp); + /* For the 1 to many model this does nothing */ + if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { + SCTP_INP_RUNLOCK(inp); + return (0); + } + SCTP_INP_RUNLOCK(inp); + if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { + /* First make sure the sb will be happy, we don't + * use these except maybe the count + */ + SCTP_INP_WLOCK(inp); + SCTP_INP_READ_LOCK(inp); + inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; + SCTP_INP_READ_UNLOCK(inp); + SCTP_INP_WUNLOCK(inp); + SOCK_LOCK(so); +#if defined(__FreeBSD__) && !defined(__Userspace__) + KASSERT(!SOLISTENING(so), + ("sctp_flush: called on listening socket %p", so)); +#endif + SCTP_SB_CLEAR(so->so_rcv); + SOCK_UNLOCK(so); + } + if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { + /* First make sure the sb will be happy, we don't + * use these except maybe the count + */ + SOCK_LOCK(so); +#if defined(__FreeBSD__) && !defined(__Userspace__) + KASSERT(!SOLISTENING(so), + ("sctp_flush: called on listening socket %p", so)); +#endif + SCTP_SB_CLEAR(so->so_snd); + SOCK_UNLOCK(so); + } + return (0); +} +#endif + +int +sctp_shutdown(struct socket *so) +{ + struct sctp_inpcb *inp; + + inp = (struct sctp_inpcb *)so->so_pcb; + if (inp == NULL) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + return (EINVAL); + } + SCTP_INP_RLOCK(inp); + /* For UDP model this is a invalid call */ + if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { + /* Restore the flags that the soshutdown took away. */ +#if (defined(__FreeBSD__) || defined(_WIN32)) && !defined(__Userspace__) + SOCKBUF_LOCK(&so->so_rcv); + so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; + SOCKBUF_UNLOCK(&so->so_rcv); +#else + SOCK_LOCK(so); + so->so_state &= ~SS_CANTRCVMORE; + SOCK_UNLOCK(so); +#endif + /* This proc will wakeup for read and do nothing (I hope) */ + SCTP_INP_RUNLOCK(inp); + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); + return (EOPNOTSUPP); + } else { + /* + * Ok, if we reach here its the TCP model and it is either + * a SHUT_WR or SHUT_RDWR. + * This means we put the shutdown flag against it. + */ +#if defined(__FreeBSD__) && !defined(__Userspace__) + struct epoch_tracker et; +#endif + struct sctp_tcb *stcb; + struct sctp_association *asoc; + struct sctp_nets *netp; + + if ((so->so_state & + (SS_ISCONNECTED|SS_ISCONNECTING|SS_ISDISCONNECTING)) == 0) { + SCTP_INP_RUNLOCK(inp); + return (ENOTCONN); + } + socantsendmore(so); + + stcb = LIST_FIRST(&inp->sctp_asoc_list); + if (stcb == NULL) { + /* + * Ok, we hit the case that the shutdown call was + * made after an abort or something. Nothing to do + * now. + */ + SCTP_INP_RUNLOCK(inp); + return (0); + } + SCTP_TCB_LOCK(stcb); + asoc = &stcb->asoc; + if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) { + SCTP_TCB_UNLOCK(stcb); + SCTP_INP_RUNLOCK(inp); + return (0); + } + if ((SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) && + (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_ECHOED) && + (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN)) { + /* If we are not in or before ESTABLISHED, there is + * no protocol action required. + */ + SCTP_TCB_UNLOCK(stcb); + SCTP_INP_RUNLOCK(inp); + return (0); + } +#if defined(__FreeBSD__) && !defined(__Userspace__) + NET_EPOCH_ENTER(et); +#endif + if (stcb->asoc.alternate) { + netp = stcb->asoc.alternate; + } else { + netp = stcb->asoc.primary_destination; + } + if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) && + TAILQ_EMPTY(&asoc->send_queue) && + TAILQ_EMPTY(&asoc->sent_queue) && + (asoc->stream_queue_cnt == 0)) { + if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete)(stcb, asoc)) { + goto abort_anyway; + } + /* there is nothing queued to send, so I'm done... */ + SCTP_STAT_DECR_GAUGE32(sctps_currestab); + SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); + sctp_stop_timers_for_shutdown(stcb); + sctp_send_shutdown(stcb, netp); + sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, + stcb->sctp_ep, stcb, netp); + } else { + /* + * We still got (or just got) data to send, so set + * SHUTDOWN_PENDING. + */ + SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); + if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete)(stcb, asoc)) { + SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); + } + if (TAILQ_EMPTY(&asoc->send_queue) && + TAILQ_EMPTY(&asoc->sent_queue) && + (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { + struct mbuf *op_err; + abort_anyway: + op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); + stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; + SCTP_INP_RUNLOCK(inp); + sctp_abort_an_association(stcb->sctp_ep, stcb, + op_err, false, SCTP_SO_LOCKED); +#if defined(__FreeBSD__) && !defined(__Userspace__) + NET_EPOCH_EXIT(et); +#endif + return (0); + } + } + sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb, NULL); + /* XXX: Why do this in the case where we have still data queued? */ + sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); + SCTP_TCB_UNLOCK(stcb); + SCTP_INP_RUNLOCK(inp); +#if defined(__FreeBSD__) && !defined(__Userspace__) + NET_EPOCH_EXIT(et); +#endif + return (0); + } +} + +/* + * copies a "user" presentable address and removes embedded scope, etc. + * returns 0 on success, 1 on error + */ +static uint32_t +sctp_fill_user_address(struct sockaddr *dst, struct sockaddr *src) +{ +#ifdef INET6 +#if defined(SCTP_EMBEDDED_V6_SCOPE) + struct sockaddr_in6 lsa6; + + src = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)src, + &lsa6); +#endif +#endif +#ifdef HAVE_SA_LEN + memcpy(dst, src, src->sa_len); +#else + switch (src->sa_family) { +#ifdef INET + case AF_INET: + memcpy(dst, src, sizeof(struct sockaddr_in)); + break; +#endif +#ifdef INET6 + case AF_INET6: + memcpy(dst, src, sizeof(struct sockaddr_in6)); + break; +#endif +#if defined(__Userspace__) + case AF_CONN: + memcpy(dst, src, sizeof(struct sockaddr_conn)); + break; +#endif + default: + /* TSNH */ + break; + } +#endif + return (0); +} + +static size_t +sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, + struct sctp_tcb *stcb, + size_t limit, + struct sockaddr *addr, + uint32_t vrf_id) +{ + struct sctp_ifn *sctp_ifn; + struct sctp_ifa *sctp_ifa; + size_t actual; + int loopback_scope; +#if defined(INET) + int ipv4_local_scope, ipv4_addr_legal; +#endif +#if defined(INET6) + int local_scope, site_scope, ipv6_addr_legal; +#endif +#if defined(__Userspace__) + int conn_addr_legal; +#endif + struct sctp_vrf *vrf; + + SCTP_IPI_ADDR_LOCK_ASSERT(); + actual = 0; + if (limit == 0) + return (actual); + + if (stcb) { + /* Turn on all the appropriate scope */ + loopback_scope = stcb->asoc.scope.loopback_scope; +#if defined(INET) + ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; + ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; +#endif +#if defined(INET6) + local_scope = stcb->asoc.scope.local_scope; + site_scope = stcb->asoc.scope.site_scope; + ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; +#endif +#if defined(__Userspace__) + conn_addr_legal = stcb->asoc.scope.conn_addr_legal; +#endif + } else { + /* Use generic values for endpoints. */ + loopback_scope = 1; +#if defined(INET) + ipv4_local_scope = 1; +#endif +#if defined(INET6) + local_scope = 1; + site_scope = 1; +#endif + if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { +#if defined(INET6) + ipv6_addr_legal = 1; +#endif +#if defined(INET) + if (SCTP_IPV6_V6ONLY(inp)) { + ipv4_addr_legal = 0; + } else { + ipv4_addr_legal = 1; + } +#endif +#if defined(__Userspace__) + conn_addr_legal = 0; +#endif + } else { +#if defined(INET6) + ipv6_addr_legal = 0; +#endif +#if defined(__Userspace__) + if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_CONN) { + conn_addr_legal = 1; +#if defined(INET) + ipv4_addr_legal = 0; +#endif + } else { + conn_addr_legal = 0; +#if defined(INET) + ipv4_addr_legal = 1; +#endif + } +#else +#if defined(INET) + ipv4_addr_legal = 1; +#endif +#endif + } + } + vrf = sctp_find_vrf(vrf_id); + if (vrf == NULL) { + return (0); + } + if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { + LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { + if ((loopback_scope == 0) && + SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { + /* Skip loopback if loopback_scope not set */ + continue; + } + LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { + if (stcb) { + /* + * For the BOUND-ALL case, the list + * associated with a TCB is Always + * considered a reverse list.. i.e. + * it lists addresses that are NOT + * part of the association. If this + * is one of those we must skip it. + */ + if (sctp_is_addr_restricted(stcb, + sctp_ifa)) { + continue; + } + } + switch (sctp_ifa->address.sa.sa_family) { +#ifdef INET + case AF_INET: + if (ipv4_addr_legal) { + struct sockaddr_in *sin; + + sin = &sctp_ifa->address.sin; + if (sin->sin_addr.s_addr == 0) { + /* + * we skip unspecified + * addresses + */ + continue; + } +#if defined(__FreeBSD__) && !defined(__Userspace__) + if (prison_check_ip4(inp->ip_inp.inp.inp_cred, + &sin->sin_addr) != 0) { + continue; + } +#endif + if ((ipv4_local_scope == 0) && + (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { + continue; + } +#ifdef INET6 + if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { + if (actual + sizeof(struct sockaddr_in6) > limit) { + return (actual); + } + in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)addr); + ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; + addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in6)); + actual += sizeof(struct sockaddr_in6); + } else { +#endif + if (actual + sizeof(struct sockaddr_in) > limit) { + return (actual); + } + memcpy(addr, sin, sizeof(struct sockaddr_in)); + ((struct sockaddr_in *)addr)->sin_port = inp->sctp_lport; + addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in)); + actual += sizeof(struct sockaddr_in); +#ifdef INET6 + } +#endif + } else { + continue; + } + break; +#endif +#ifdef INET6 + case AF_INET6: + if (ipv6_addr_legal) { + struct sockaddr_in6 *sin6; + +#if defined(SCTP_EMBEDDED_V6_SCOPE) && !defined(SCTP_KAME) + struct sockaddr_in6 lsa6; +#endif + sin6 = &sctp_ifa->address.sin6; + if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { + /* + * we skip unspecified + * addresses + */ + continue; + } +#if defined(__FreeBSD__) && !defined(__Userspace__) + if (prison_check_ip6(inp->ip_inp.inp.inp_cred, + &sin6->sin6_addr) != 0) { + continue; + } +#endif + if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { + if (local_scope == 0) + continue; +#if defined(SCTP_EMBEDDED_V6_SCOPE) + if (sin6->sin6_scope_id == 0) { +#ifdef SCTP_KAME + if (sa6_recoverscope(sin6) != 0) + /* + * bad link + * local + * address + */ + continue; +#else + lsa6 = *sin6; + if (in6_recoverscope(&lsa6, + &lsa6.sin6_addr, + NULL)) + /* + * bad link + * local + * address + */ + continue; + sin6 = &lsa6; +#endif /* SCTP_KAME */ + } +#endif /* SCTP_EMBEDDED_V6_SCOPE */ + } + if ((site_scope == 0) && + (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { + continue; + } + if (actual + sizeof(struct sockaddr_in6) > limit) { + return (actual); + } + memcpy(addr, sin6, sizeof(struct sockaddr_in6)); + ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; + addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in6)); + actual += sizeof(struct sockaddr_in6); + } else { + continue; + } + break; +#endif +#if defined(__Userspace__) + case AF_CONN: + if (conn_addr_legal) { + if (actual + sizeof(struct sockaddr_conn) > limit) { + return (actual); + } + memcpy(addr, &sctp_ifa->address.sconn, sizeof(struct sockaddr_conn)); + ((struct sockaddr_conn *)addr)->sconn_port = inp->sctp_lport; + addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_conn)); + actual += sizeof(struct sockaddr_conn); + } else { + continue; + } +#endif + default: + /* TSNH */ + break; + } + } + } + } else { + struct sctp_laddr *laddr; + size_t sa_len; + + LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { + if (stcb) { + if (sctp_is_addr_restricted(stcb, laddr->ifa)) { + continue; + } + } +#ifdef HAVE_SA_LEN + sa_len = laddr->ifa->address.sa.sa_len; +#else + switch (laddr->ifa->address.sa.sa_family) { +#ifdef INET + case AF_INET: + sa_len = sizeof(struct sockaddr_in); + break; +#endif +#ifdef INET6 + case AF_INET6: + sa_len = sizeof(struct sockaddr_in6); + break; +#endif +#if defined(__Userspace__) + case AF_CONN: + sa_len = sizeof(struct sockaddr_conn); + break; +#endif + default: + /* TSNH */ + sa_len = 0; + break; + } +#endif + if (actual + sa_len > limit) { + return (actual); + } + if (sctp_fill_user_address(addr, &laddr->ifa->address.sa)) + continue; + switch (laddr->ifa->address.sa.sa_family) { +#ifdef INET + case AF_INET: + ((struct sockaddr_in *)addr)->sin_port = inp->sctp_lport; + break; +#endif +#ifdef INET6 + case AF_INET6: + ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; + break; +#endif +#if defined(__Userspace__) + case AF_CONN: + ((struct sockaddr_conn *)addr)->sconn_port = inp->sctp_lport; + break; +#endif + default: + /* TSNH */ + break; + } + addr = (struct sockaddr *)((caddr_t)addr + sa_len); + actual += sa_len; + } + } + return (actual); +} + +static size_t +sctp_fill_up_addresses(struct sctp_inpcb *inp, + struct sctp_tcb *stcb, + size_t limit, + struct sockaddr *addr) +{ + size_t size; +#ifdef SCTP_MVRF + uint32_t id; +#endif + + SCTP_IPI_ADDR_RLOCK(); +#ifdef SCTP_MVRF +/* + * FIX ME: ?? this WILL report duplicate addresses if they appear + * in more than one VRF. + */ + /* fill up addresses for all VRFs on the endpoint */ + size = 0; + for (id = 0; (id < inp->num_vrfs) && (size < limit); id++) { + size += sctp_fill_up_addresses_vrf(inp, stcb, limit, addr, + inp->m_vrf_ids[id]); + addr = (struct sockaddr *)((caddr_t)addr + size); + } +#else + /* fill up addresses for the endpoint's default vrf */ + size = sctp_fill_up_addresses_vrf(inp, stcb, limit, addr, + inp->def_vrf_id); +#endif + SCTP_IPI_ADDR_RUNLOCK(); + return (size); +} + +static size_t +sctp_max_size_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) +{ + struct sctp_vrf *vrf; + size_t size; + + /* + * In both sub-set bound an bound_all cases we return the size of + * the maximum number of addresses that you could get. In reality + * the sub-set bound may have an exclusion list for a given TCB or + * in the bound-all case a TCB may NOT include the loopback or other + * addresses as well. + */ + SCTP_IPI_ADDR_LOCK_ASSERT(); + vrf = sctp_find_vrf(vrf_id); + if (vrf == NULL) { + return (0); + } + size = 0; + if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { + struct sctp_ifn *sctp_ifn; + struct sctp_ifa *sctp_ifa; + + LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { + LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { + /* Count them if they are the right type */ + switch (sctp_ifa->address.sa.sa_family) { +#ifdef INET + case AF_INET: +#ifdef INET6 + if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) + size += sizeof(struct sockaddr_in6); + else + size += sizeof(struct sockaddr_in); +#else + size += sizeof(struct sockaddr_in); +#endif + break; +#endif +#ifdef INET6 + case AF_INET6: + size += sizeof(struct sockaddr_in6); + break; +#endif +#if defined(__Userspace__) + case AF_CONN: + size += sizeof(struct sockaddr_conn); + break; +#endif + default: + break; + } + } + } + } else { + struct sctp_laddr *laddr; + + LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { + switch (laddr->ifa->address.sa.sa_family) { +#ifdef INET + case AF_INET: +#ifdef INET6 + if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) + size += sizeof(struct sockaddr_in6); + else + size += sizeof(struct sockaddr_in); +#else + size += sizeof(struct sockaddr_in); +#endif + break; +#endif +#ifdef INET6 + case AF_INET6: + size += sizeof(struct sockaddr_in6); + break; +#endif +#if defined(__Userspace__) + case AF_CONN: + size += sizeof(struct sockaddr_conn); + break; +#endif + default: + break; + } + } + } + return (size); +} + +static size_t +sctp_max_size_addresses(struct sctp_inpcb *inp) +{ + size_t size; +#ifdef SCTP_MVRF + int id; +#endif + + SCTP_IPI_ADDR_RLOCK(); +#ifdef SCTP_MVRF +/* + * FIX ME: ?? this WILL count duplicate addresses if they appear + * in more than one VRF. + */ + /* Maximum size of all addresses for all VRFs on the endpoint */ + size = 0; + for (id = 0; id < inp->num_vrfs; id++) { + size += sctp_max_size_addresses_vrf(inp, inp->m_vrf_ids[id]); + } +#else + /* Maximum size of all addresses for the endpoint's default VRF */ + size = sctp_max_size_addresses_vrf(inp, inp->def_vrf_id); +#endif + SCTP_IPI_ADDR_RUNLOCK(); + return (size); +} + +static int +sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, + size_t optsize, void *p, int delay) +{ + int error; + int creat_lock_on = 0; + struct sctp_tcb *stcb = NULL; + struct sockaddr *sa; + unsigned int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; + uint32_t vrf_id; + sctp_assoc_t *a_id; + + SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); + + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && + (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { + /* We are already connected AND the TCP model */ + SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); + return (EADDRINUSE); + } + + if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && + (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { + SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + return (EINVAL); + } + + if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { + SCTP_INP_RLOCK(inp); + stcb = LIST_FIRST(&inp->sctp_asoc_list); + SCTP_INP_RUNLOCK(inp); + } + if (stcb) { + SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); + return (EALREADY); + } + SCTP_INP_INCR_REF(inp); + SCTP_ASOC_CREATE_LOCK(inp); + creat_lock_on = 1; + if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { + SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); + error = EFAULT; + goto out_now; + } + totaddrp = (unsigned int *)optval; + totaddr = *totaddrp; + sa = (struct sockaddr *)(totaddrp + 1); + error = sctp_connectx_helper_find(inp, sa, totaddr, &num_v4, &num_v6, (unsigned int)(optsize - sizeof(int))); + if (error != 0) { + /* Already have or am bring up an association */ + SCTP_ASOC_CREATE_UNLOCK(inp); + creat_lock_on = 0; + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); + goto out_now; + } +#ifdef INET6 + if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && + (num_v6 > 0)) { + error = EINVAL; + goto out_now; + } + if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && + (num_v4 > 0)) { + if (SCTP_IPV6_V6ONLY(inp)) { + /* + * if IPV6_V6ONLY flag, ignore connections destined + * to a v4 addr or v4-mapped addr + */ + SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + goto out_now; + } + } +#endif /* INET6 */ + if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { + /* Bind a ephemeral port */ + error = sctp_inpcb_bind(so, NULL, NULL, p); + if (error) { + goto out_now; + } + } + + /* FIX ME: do we want to pass in a vrf on the connect call? */ + vrf_id = inp->def_vrf_id; + + /* We are GOOD to go */ + stcb = sctp_aloc_assoc_connected(inp, sa, &error, 0, 0, vrf_id, + inp->sctp_ep.pre_open_stream_count, + inp->sctp_ep.port, +#if defined(__FreeBSD__) && !defined(__Userspace__) + (struct thread *)p, +#elif defined(_WIN32) && !defined(__Userspace__) + (PKTHREAD)p, +#else + (struct proc *)p, +#endif + SCTP_INITIALIZE_AUTH_PARAMS); + if (stcb == NULL) { + /* Gak! no memory */ + goto out_now; + } + SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); + /* move to second address */ + switch (sa->sa_family) { +#ifdef INET + case AF_INET: + sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); + break; +#endif +#ifdef INET6 + case AF_INET6: + sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); + break; +#endif + default: + break; + } + + error = 0; + sctp_connectx_helper_add(stcb, sa, (totaddr-1), &error); + /* Fill in the return id */ + if (error) { + goto out_now; + } + a_id = (sctp_assoc_t *)optval; + *a_id = sctp_get_associd(stcb); + + if (delay) { + /* doing delayed connection */ + stcb->asoc.delayed_connection = 1; + sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); + } else { + (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); + sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); + } + SCTP_TCB_UNLOCK(stcb); + out_now: + if (creat_lock_on) { + SCTP_ASOC_CREATE_UNLOCK(inp); + } + SCTP_INP_DECR_REF(inp); + return (error); +} + +#define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ + SCTP_INP_RLOCK(inp); \ + stcb = LIST_FIRST(&inp->sctp_asoc_list); \ + if (stcb) { \ + SCTP_TCB_LOCK(stcb); \ + } \ + SCTP_INP_RUNLOCK(inp); \ + } else if (assoc_id > SCTP_ALL_ASSOC) { \ + stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ + if (stcb == NULL) { \ + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ + error = ENOENT; \ + break; \ + } \ + } else { \ + stcb = NULL; \ + } \ +} + +#define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ + if (size < sizeof(type)) { \ + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ + error = EINVAL; \ + break; \ + } else { \ + destp = (type *)srcp; \ + } \ +} + +#if defined(__Userspace__) +int +#else +static int +#endif +sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, + void *p) { + struct sctp_inpcb *inp = NULL; + int error, val = 0; + struct sctp_tcb *stcb = NULL; + + if (optval == NULL) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + return (EINVAL); + } + + inp = (struct sctp_inpcb *)so->so_pcb; + if (inp == NULL) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + return EINVAL; + } + error = 0; + + switch (optname) { + case SCTP_NODELAY: + case SCTP_AUTOCLOSE: + case SCTP_EXPLICIT_EOR: + case SCTP_AUTO_ASCONF: + case SCTP_DISABLE_FRAGMENTS: + case SCTP_I_WANT_MAPPED_V4_ADDR: + case SCTP_USE_EXT_RCVINFO: + SCTP_INP_RLOCK(inp); + switch (optname) { + case SCTP_DISABLE_FRAGMENTS: + val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); + break; + case SCTP_I_WANT_MAPPED_V4_ADDR: + val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); + break; + case SCTP_AUTO_ASCONF: + if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { + /* only valid for bound all sockets */ + val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + goto flags_out; + } + break; + case SCTP_EXPLICIT_EOR: + val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); + break; + case SCTP_NODELAY: + val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); + break; + case SCTP_USE_EXT_RCVINFO: + val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); + break; + case SCTP_AUTOCLOSE: + if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) + val = sctp_ticks_to_secs(inp->sctp_ep.auto_close_time); + else + val = 0; + break; + + default: + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); + error = ENOPROTOOPT; + } /* end switch (sopt->sopt_name) */ + if (*optsize < sizeof(val)) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + flags_out: + SCTP_INP_RUNLOCK(inp); + if (error == 0) { + /* return the option value */ + *(int *)optval = val; + *optsize = sizeof(val); + } + break; + case SCTP_GET_PACKET_LOG: + { +#ifdef SCTP_PACKET_LOGGING + uint8_t *target; + int ret; + + SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); + ret = sctp_copy_out_packet_log(target , (int)*optsize); + *optsize = ret; +#else + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); + error = EOPNOTSUPP; +#endif + break; + } + case SCTP_REUSE_PORT: + { + uint32_t *value; + + if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { + /* Can't do this for a 1-m socket */ + error = EINVAL; + break; + } + SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); + *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); + *optsize = sizeof(uint32_t); + break; + } + case SCTP_PARTIAL_DELIVERY_POINT: + { + uint32_t *value; + + SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); + *value = inp->partial_delivery_point; + *optsize = sizeof(uint32_t); + break; + } + case SCTP_FRAGMENT_INTERLEAVE: + { + uint32_t *value; + + SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); + if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { + if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { + *value = SCTP_FRAG_LEVEL_2; + } else { + *value = SCTP_FRAG_LEVEL_1; + } + } else { + *value = SCTP_FRAG_LEVEL_0; + } + *optsize = sizeof(uint32_t); + break; + } + case SCTP_INTERLEAVING_SUPPORTED: + { + struct sctp_assoc_value *av; + + SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); + SCTP_FIND_STCB(inp, stcb, av->assoc_id); + + if (stcb) { + av->assoc_value = stcb->asoc.idata_supported; + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (av->assoc_id == SCTP_FUTURE_ASSOC))) { + SCTP_INP_RLOCK(inp); + if (inp->idata_supported) { + av->assoc_value = 1; + } else { + av->assoc_value = 0; + } + SCTP_INP_RUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + if (error == 0) { + *optsize = sizeof(struct sctp_assoc_value); + } + break; + } + case SCTP_CMT_ON_OFF: + { + struct sctp_assoc_value *av; + + SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); + SCTP_FIND_STCB(inp, stcb, av->assoc_id); + if (stcb) { + av->assoc_value = stcb->asoc.sctp_cmt_on_off; + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (av->assoc_id == SCTP_FUTURE_ASSOC))) { + SCTP_INP_RLOCK(inp); + av->assoc_value = inp->sctp_cmt_on_off; + SCTP_INP_RUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + if (error == 0) { + *optsize = sizeof(struct sctp_assoc_value); + } + break; + } + case SCTP_PLUGGABLE_CC: + { + struct sctp_assoc_value *av; + + SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); + SCTP_FIND_STCB(inp, stcb, av->assoc_id); + if (stcb) { + av->assoc_value = stcb->asoc.congestion_control_module; + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (av->assoc_id == SCTP_FUTURE_ASSOC))) { + SCTP_INP_RLOCK(inp); + av->assoc_value = inp->sctp_ep.sctp_default_cc_module; + SCTP_INP_RUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + if (error == 0) { + *optsize = sizeof(struct sctp_assoc_value); + } + break; + } + case SCTP_CC_OPTION: + { + struct sctp_cc_option *cc_opt; + + SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); + SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); + if (stcb == NULL) { + error = EINVAL; + } else { + if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { + error = ENOTSUP; + } else { + error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option)(stcb, 0, cc_opt); + *optsize = sizeof(struct sctp_cc_option); + } + SCTP_TCB_UNLOCK(stcb); + } + break; + } + case SCTP_PLUGGABLE_SS: + { + struct sctp_assoc_value *av; + + SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); + SCTP_FIND_STCB(inp, stcb, av->assoc_id); + if (stcb) { + av->assoc_value = stcb->asoc.stream_scheduling_module; + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (av->assoc_id == SCTP_FUTURE_ASSOC))) { + SCTP_INP_RLOCK(inp); + av->assoc_value = inp->sctp_ep.sctp_default_ss_module; + SCTP_INP_RUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + if (error == 0) { + *optsize = sizeof(struct sctp_assoc_value); + } + break; + } + case SCTP_SS_VALUE: + { + struct sctp_stream_value *av; + + SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); + SCTP_FIND_STCB(inp, stcb, av->assoc_id); + if (stcb) { + if ((av->stream_id >= stcb->asoc.streamoutcnt) || + (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], + &av->stream_value) < 0)) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } else { + *optsize = sizeof(struct sctp_stream_value); + } + SCTP_TCB_UNLOCK(stcb); + } else { + /* Can't get stream value without association */ + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + break; + } + case SCTP_GET_ADDR_LEN: + { + struct sctp_assoc_value *av; + + SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); + error = EINVAL; +#ifdef INET + if (av->assoc_value == AF_INET) { + av->assoc_value = sizeof(struct sockaddr_in); + error = 0; + } +#endif +#ifdef INET6 + if (av->assoc_value == AF_INET6) { + av->assoc_value = sizeof(struct sockaddr_in6); + error = 0; + } +#endif +#if defined(__Userspace__) + if (av->assoc_value == AF_CONN) { + av->assoc_value = sizeof(struct sockaddr_conn); + error = 0; + } +#endif + if (error) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); + } else { + *optsize = sizeof(struct sctp_assoc_value); + } + break; + } + case SCTP_GET_ASSOC_NUMBER: + { + uint32_t *value, cnt; + + SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); + SCTP_INP_RLOCK(inp); + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { + /* Can't do this for a 1-1 socket */ + error = EINVAL; + SCTP_INP_RUNLOCK(inp); + break; + } + cnt = 0; + LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { + cnt++; + } + SCTP_INP_RUNLOCK(inp); + *value = cnt; + *optsize = sizeof(uint32_t); + break; + } + case SCTP_GET_ASSOC_ID_LIST: + { + struct sctp_assoc_ids *ids; + uint32_t at; + size_t limit; + + SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); + SCTP_INP_RLOCK(inp); + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { + /* Can't do this for a 1-1 socket */ + error = EINVAL; + SCTP_INP_RUNLOCK(inp); + break; + } + at = 0; + limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); + LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { + if (at < limit) { + ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); + if (at == 0) { + error = EINVAL; + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); + break; + } + } else { + error = EINVAL; + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); + break; + } + } + SCTP_INP_RUNLOCK(inp); + if (error == 0) { + ids->gaids_number_of_ids = at; + *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); + } + break; + } + case SCTP_CONTEXT: + { + struct sctp_assoc_value *av; + + SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); + SCTP_FIND_STCB(inp, stcb, av->assoc_id); + + if (stcb) { + av->assoc_value = stcb->asoc.context; + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (av->assoc_id == SCTP_FUTURE_ASSOC))) { + SCTP_INP_RLOCK(inp); + av->assoc_value = inp->sctp_context; + SCTP_INP_RUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + if (error == 0) { + *optsize = sizeof(struct sctp_assoc_value); + } + break; + } + case SCTP_VRF_ID: + { + uint32_t *default_vrfid; + + SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); + *default_vrfid = inp->def_vrf_id; + *optsize = sizeof(uint32_t); + break; + } + case SCTP_GET_ASOC_VRF: + { + struct sctp_assoc_value *id; + + SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); + SCTP_FIND_STCB(inp, stcb, id->assoc_id); + if (stcb == NULL) { + error = EINVAL; + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); + } else { + id->assoc_value = stcb->asoc.vrf_id; + SCTP_TCB_UNLOCK(stcb); + *optsize = sizeof(struct sctp_assoc_value); + } + break; + } + case SCTP_GET_VRF_IDS: + { +#ifdef SCTP_MVRF + int siz_needed; + uint32_t *vrf_ids; + + SCTP_CHECK_AND_CAST(vrf_ids, optval, uint32_t, *optsize); + siz_needed = inp->num_vrfs * sizeof(uint32_t); + if (*optsize < siz_needed) { + error = EINVAL; + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); + } else { + memcpy(vrf_ids, inp->m_vrf_ids, siz_needed); + *optsize = siz_needed; + } +#else + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); + error = EOPNOTSUPP; +#endif + break; + } + case SCTP_GET_NONCE_VALUES: + { + struct sctp_get_nonce_values *gnv; + + SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); + SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); + + if (stcb) { + gnv->gn_peers_tag = stcb->asoc.peer_vtag; + gnv->gn_local_tag = stcb->asoc.my_vtag; + SCTP_TCB_UNLOCK(stcb); + *optsize = sizeof(struct sctp_get_nonce_values); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); + error = ENOTCONN; + } + break; + } + case SCTP_DELAYED_SACK: + { + struct sctp_sack_info *sack; + + SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); + SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); + if (stcb) { + sack->sack_delay = stcb->asoc.delayed_ack; + sack->sack_freq = stcb->asoc.sack_freq; + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (sack->sack_assoc_id == SCTP_FUTURE_ASSOC))) { + SCTP_INP_RLOCK(inp); + sack->sack_delay = sctp_ticks_to_msecs(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); + sack->sack_freq = inp->sctp_ep.sctp_sack_freq; + SCTP_INP_RUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + if (error == 0) { + *optsize = sizeof(struct sctp_sack_info); + } + break; + } + case SCTP_GET_SNDBUF_USE: + { + struct sctp_sockstat *ss; + + SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); + SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); + + if (stcb) { + ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; + ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + + stcb->asoc.size_on_all_streams); + SCTP_TCB_UNLOCK(stcb); + *optsize = sizeof(struct sctp_sockstat); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); + error = ENOTCONN; + } + break; + } + case SCTP_MAX_BURST: + { + struct sctp_assoc_value *av; + + SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); + SCTP_FIND_STCB(inp, stcb, av->assoc_id); + + if (stcb) { + av->assoc_value = stcb->asoc.max_burst; + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (av->assoc_id == SCTP_FUTURE_ASSOC))) { + SCTP_INP_RLOCK(inp); + av->assoc_value = inp->sctp_ep.max_burst; + SCTP_INP_RUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + if (error == 0) { + *optsize = sizeof(struct sctp_assoc_value); + } + break; + } + case SCTP_MAXSEG: + { + struct sctp_assoc_value *av; + + SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); + SCTP_FIND_STCB(inp, stcb, av->assoc_id); + + if (stcb) { + av->assoc_value = stcb->asoc.sctp_frag_point; + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (av->assoc_id == SCTP_FUTURE_ASSOC))) { + SCTP_INP_RLOCK(inp); + av->assoc_value = inp->sctp_frag_point; + SCTP_INP_RUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + if (error == 0) { + *optsize = sizeof(struct sctp_assoc_value); + } + break; + } + case SCTP_GET_STAT_LOG: + error = sctp_fill_stat_log(optval, optsize); + break; + case SCTP_EVENTS: + { + struct sctp_event_subscribe *events; + + SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); + memset(events, 0, sizeof(struct sctp_event_subscribe)); + SCTP_INP_RLOCK(inp); + if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) + events->sctp_data_io_event = 1; + + if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) + events->sctp_association_event = 1; + + if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) + events->sctp_address_event = 1; + + if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) + events->sctp_send_failure_event = 1; + + if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) + events->sctp_peer_error_event = 1; + + if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) + events->sctp_shutdown_event = 1; + + if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) + events->sctp_partial_delivery_event = 1; + + if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) + events->sctp_adaptation_layer_event = 1; + + if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) + events->sctp_authentication_event = 1; + + if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) + events->sctp_sender_dry_event = 1; + + if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) + events->sctp_stream_reset_event = 1; + SCTP_INP_RUNLOCK(inp); + *optsize = sizeof(struct sctp_event_subscribe); + break; + } + case SCTP_ADAPTATION_LAYER: + { + uint32_t *value; + + SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); + + SCTP_INP_RLOCK(inp); + *value = inp->sctp_ep.adaptation_layer_indicator; + SCTP_INP_RUNLOCK(inp); + *optsize = sizeof(uint32_t); + break; + } + case SCTP_SET_INITIAL_DBG_SEQ: + { + uint32_t *value; + + SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); + SCTP_INP_RLOCK(inp); + *value = inp->sctp_ep.initial_sequence_debug; + SCTP_INP_RUNLOCK(inp); + *optsize = sizeof(uint32_t); + break; + } + case SCTP_GET_LOCAL_ADDR_SIZE: + { + uint32_t *value; + + SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); + SCTP_INP_RLOCK(inp); + *value = (uint32_t)sctp_max_size_addresses(inp); + SCTP_INP_RUNLOCK(inp); + *optsize = sizeof(uint32_t); + break; + } + case SCTP_GET_REMOTE_ADDR_SIZE: + { + uint32_t *value; + struct sctp_nets *net; + size_t size; + + SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); + /* FIXME MT: change to sctp_assoc_value? */ + SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); + + if (stcb != NULL) { + size = 0; + /* Count the sizes */ + TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { + switch (net->ro._l_addr.sa.sa_family) { +#ifdef INET + case AF_INET: +#ifdef INET6 + if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { + size += sizeof(struct sockaddr_in6); + } else { + size += sizeof(struct sockaddr_in); + } +#else + size += sizeof(struct sockaddr_in); +#endif + break; +#endif +#ifdef INET6 + case AF_INET6: + size += sizeof(struct sockaddr_in6); + break; +#endif +#if defined(__Userspace__) + case AF_CONN: + size += sizeof(struct sockaddr_conn); + break; +#endif + default: + break; + } + } + SCTP_TCB_UNLOCK(stcb); + *value = (uint32_t)size; + *optsize = sizeof(uint32_t); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + ((sctp_assoc_t)*value <= SCTP_ALL_ASSOC)) { + error = EINVAL; + } else { + error = ENOENT; + } + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); + } + break; + } + case SCTP_GET_PEER_ADDRESSES: + /* + * Get the address information, an array is passed in to + * fill up we pack it. + */ + { + size_t cpsz, left; + struct sockaddr *addr; + struct sctp_nets *net; + struct sctp_getaddresses *saddr; + + SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); + SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); + + if (stcb != NULL) { + left = *optsize - offsetof(struct sctp_getaddresses, addr); + *optsize = offsetof(struct sctp_getaddresses, addr); + addr = &saddr->addr[0].sa; + + TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { + switch (net->ro._l_addr.sa.sa_family) { +#ifdef INET + case AF_INET: +#ifdef INET6 + if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { + cpsz = sizeof(struct sockaddr_in6); + } else { + cpsz = sizeof(struct sockaddr_in); + } +#else + cpsz = sizeof(struct sockaddr_in); +#endif + break; +#endif +#ifdef INET6 + case AF_INET6: + cpsz = sizeof(struct sockaddr_in6); + break; +#endif +#if defined(__Userspace__) + case AF_CONN: + cpsz = sizeof(struct sockaddr_conn); + break; +#endif + default: + cpsz = 0; + break; + } + if (cpsz == 0) { + break; + } + if (left < cpsz) { + /* not enough room. */ + break; + } +#if defined(INET) && defined(INET6) + if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && + (net->ro._l_addr.sa.sa_family == AF_INET)) { + /* Must map the address */ + in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, + (struct sockaddr_in6 *)addr); + } else { + memcpy(addr, &net->ro._l_addr, cpsz); + } +#else + memcpy(addr, &net->ro._l_addr, cpsz); +#endif + ((struct sockaddr_in *)addr)->sin_port = stcb->rport; + + addr = (struct sockaddr *)((caddr_t)addr + cpsz); + left -= cpsz; + *optsize += cpsz; + } + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (saddr->sget_assoc_id <= SCTP_ALL_ASSOC)) { + error = EINVAL; + } else { + error = ENOENT; + } + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); + } + break; + } + case SCTP_GET_LOCAL_ADDRESSES: + { + size_t limit, actual; + struct sctp_getaddresses *saddr; + + SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); + SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); + + if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + ((saddr->sget_assoc_id == SCTP_CURRENT_ASSOC) || + (saddr->sget_assoc_id == SCTP_ALL_ASSOC))) { + error = EINVAL; + } else { + limit = *optsize - offsetof(struct sctp_getaddresses, addr); + actual = sctp_fill_up_addresses(inp, stcb, limit, &saddr->addr[0].sa); + *optsize = offsetof(struct sctp_getaddresses, addr) + actual; + } + if (stcb != NULL) { + SCTP_TCB_UNLOCK(stcb); + } + break; + } + case SCTP_PEER_ADDR_PARAMS: + { + struct sctp_paddrparams *paddrp; + struct sctp_nets *net; + struct sockaddr *addr; +#if defined(INET) && defined(INET6) + struct sockaddr_in sin_store; +#endif + + SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); + SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); + +#if defined(INET) && defined(INET6) + if (paddrp->spp_address.ss_family == AF_INET6) { + struct sockaddr_in6 *sin6; + + sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; + if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { + in6_sin6_2_sin(&sin_store, sin6); + addr = (struct sockaddr *)&sin_store; + } else { + addr = (struct sockaddr *)&paddrp->spp_address; + } + } else { + addr = (struct sockaddr *)&paddrp->spp_address; + } +#else + addr = (struct sockaddr *)&paddrp->spp_address; +#endif + if (stcb != NULL) { + net = sctp_findnet(stcb, addr); + } else { + /* We increment here since sctp_findassociation_ep_addr() wil + * do a decrement if it finds the stcb as long as the locked + * tcb (last argument) is NOT a TCB.. aka NULL. + */ + net = NULL; + SCTP_INP_INCR_REF(inp); + stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); + if (stcb == NULL) { + SCTP_INP_DECR_REF(inp); + } + } + if ((stcb != NULL) && (net == NULL)) { +#ifdef INET + if (addr->sa_family == AF_INET) { + struct sockaddr_in *sin; + + sin = (struct sockaddr_in *)addr; + if (sin->sin_addr.s_addr != INADDR_ANY) { + error = EINVAL; + SCTP_TCB_UNLOCK(stcb); + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); + break; + } + } else +#endif +#ifdef INET6 + if (addr->sa_family == AF_INET6) { + struct sockaddr_in6 *sin6; + + sin6 = (struct sockaddr_in6 *)addr; + if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { + error = EINVAL; + SCTP_TCB_UNLOCK(stcb); + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); + break; + } + } else +#endif +#if defined(__Userspace__) + if (addr->sa_family == AF_CONN) { + struct sockaddr_conn *sconn; + + sconn = (struct sockaddr_conn *)addr; + if (sconn->sconn_addr != NULL) { + error = EINVAL; + SCTP_TCB_UNLOCK(stcb); + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); + break; + } + } else +#endif + { + error = EAFNOSUPPORT; + SCTP_TCB_UNLOCK(stcb); + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); + break; + } + } + + if (stcb != NULL) { + /* Applies to the specific association */ + paddrp->spp_flags = 0; + if (net != NULL) { + paddrp->spp_hbinterval = net->heart_beat_delay; + paddrp->spp_pathmaxrxt = net->failure_threshold; + paddrp->spp_pathmtu = net->mtu; + switch (net->ro._l_addr.sa.sa_family) { +#ifdef INET + case AF_INET: + paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; + break; +#endif +#ifdef INET6 + case AF_INET6: + paddrp->spp_pathmtu -= SCTP_MIN_OVERHEAD; + break; +#endif +#if defined(__Userspace__) + case AF_CONN: + paddrp->spp_pathmtu -= sizeof(struct sctphdr); + break; +#endif + default: + break; + } + /* get flags for HB */ + if (net->dest_state & SCTP_ADDR_NOHB) { + paddrp->spp_flags |= SPP_HB_DISABLE; + } else { + paddrp->spp_flags |= SPP_HB_ENABLE; + } + /* get flags for PMTU */ + if (net->dest_state & SCTP_ADDR_NO_PMTUD) { + paddrp->spp_flags |= SPP_PMTUD_DISABLE; + } else { + paddrp->spp_flags |= SPP_PMTUD_ENABLE; + } + if (net->dscp & 0x01) { + paddrp->spp_dscp = net->dscp & 0xfc; + paddrp->spp_flags |= SPP_DSCP; + } +#ifdef INET6 + if ((net->ro._l_addr.sa.sa_family == AF_INET6) && + (net->flowlabel & 0x80000000)) { + paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; + paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; + } +#endif + } else { + /* + * No destination so return default + * value + */ + paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; + paddrp->spp_pathmtu = stcb->asoc.default_mtu; + if (stcb->asoc.default_dscp & 0x01) { + paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; + paddrp->spp_flags |= SPP_DSCP; + } +#ifdef INET6 + if (stcb->asoc.default_flowlabel & 0x80000000) { + paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; + paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; + } +#endif + /* default settings should be these */ + if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { + paddrp->spp_flags |= SPP_HB_DISABLE; + } else { + paddrp->spp_flags |= SPP_HB_ENABLE; + } + if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { + paddrp->spp_flags |= SPP_PMTUD_DISABLE; + } else { + paddrp->spp_flags |= SPP_PMTUD_ENABLE; + } + paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; + } + paddrp->spp_assoc_id = sctp_get_associd(stcb); + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) { + /* Use endpoint defaults */ + SCTP_INP_RLOCK(inp); + paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; + paddrp->spp_hbinterval = sctp_ticks_to_msecs(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); + paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; + /* get inp's default */ + if (inp->sctp_ep.default_dscp & 0x01) { + paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; + paddrp->spp_flags |= SPP_DSCP; + } +#ifdef INET6 + if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && + (inp->sctp_ep.default_flowlabel & 0x80000000)) { + paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; + paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; + } +#endif + paddrp->spp_pathmtu = inp->sctp_ep.default_mtu; + + if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { + paddrp->spp_flags |= SPP_HB_ENABLE; + } else { + paddrp->spp_flags |= SPP_HB_DISABLE; + } + if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { + paddrp->spp_flags |= SPP_PMTUD_ENABLE; + } else { + paddrp->spp_flags |= SPP_PMTUD_DISABLE; + } + SCTP_INP_RUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + if (error == 0) { + *optsize = sizeof(struct sctp_paddrparams); + } + break; + } + case SCTP_GET_PEER_ADDR_INFO: + { + struct sctp_paddrinfo *paddri; + struct sctp_nets *net; + struct sockaddr *addr; +#if defined(INET) && defined(INET6) + struct sockaddr_in sin_store; +#endif + + SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); + SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); + +#if defined(INET) && defined(INET6) + if (paddri->spinfo_address.ss_family == AF_INET6) { + struct sockaddr_in6 *sin6; + + sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; + if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { + in6_sin6_2_sin(&sin_store, sin6); + addr = (struct sockaddr *)&sin_store; + } else { + addr = (struct sockaddr *)&paddri->spinfo_address; + } + } else { + addr = (struct sockaddr *)&paddri->spinfo_address; + } +#else + addr = (struct sockaddr *)&paddri->spinfo_address; +#endif + if (stcb != NULL) { + net = sctp_findnet(stcb, addr); + } else { + /* We increment here since sctp_findassociation_ep_addr() wil + * do a decrement if it finds the stcb as long as the locked + * tcb (last argument) is NOT a TCB.. aka NULL. + */ + net = NULL; + SCTP_INP_INCR_REF(inp); + stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); + if (stcb == NULL) { + SCTP_INP_DECR_REF(inp); + } + } + + if ((stcb != NULL) && (net != NULL)) { + if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { + /* It's unconfirmed */ + paddri->spinfo_state = SCTP_UNCONFIRMED; + } else if (net->dest_state & SCTP_ADDR_REACHABLE) { + /* It's active */ + paddri->spinfo_state = SCTP_ACTIVE; + } else { + /* It's inactive */ + paddri->spinfo_state = SCTP_INACTIVE; + } + paddri->spinfo_cwnd = net->cwnd; + paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; + paddri->spinfo_rto = net->RTO; + paddri->spinfo_assoc_id = sctp_get_associd(stcb); + paddri->spinfo_mtu = net->mtu; + switch (addr->sa_family) { +#if defined(INET) + case AF_INET: + paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; + break; +#endif +#if defined(INET6) + case AF_INET6: + paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD; + break; +#endif +#if defined(__Userspace__) + case AF_CONN: + paddri->spinfo_mtu -= sizeof(struct sctphdr); + break; +#endif + default: + break; + } + SCTP_TCB_UNLOCK(stcb); + *optsize = sizeof(struct sctp_paddrinfo); + } else { + if (stcb != NULL) { + SCTP_TCB_UNLOCK(stcb); + } + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); + error = ENOENT; + } + break; + } + case SCTP_PCB_STATUS: + { + struct sctp_pcbinfo *spcb; + + SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); + sctp_fill_pcbinfo(spcb); + *optsize = sizeof(struct sctp_pcbinfo); + break; + } + case SCTP_STATUS: + { + struct sctp_nets *net; + struct sctp_status *sstat; + + SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); + SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); + + if (stcb == NULL) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + break; + } + sstat->sstat_state = sctp_map_assoc_state(stcb->asoc.state); + sstat->sstat_assoc_id = sctp_get_associd(stcb); + sstat->sstat_rwnd = stcb->asoc.peers_rwnd; + sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; + /* + * We can't include chunks that have been passed to + * the socket layer. Only things in queue. + */ + sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + + stcb->asoc.cnt_on_all_streams); + sstat->sstat_instrms = stcb->asoc.streamincnt; + sstat->sstat_outstrms = stcb->asoc.streamoutcnt; + sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb); + net = stcb->asoc.primary_destination; + if (net != NULL) { +#ifdef HAVE_SA_LEN + memcpy(&sstat->sstat_primary.spinfo_address, + &net->ro._l_addr, + ((struct sockaddr *)(&net->ro._l_addr))->sa_len); +#else + switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) { +#if defined(INET) + case AF_INET: + memcpy(&sstat->sstat_primary.spinfo_address, + &net->ro._l_addr, + sizeof(struct sockaddr_in)); + break; +#endif +#if defined(INET6) + case AF_INET6: + memcpy(&sstat->sstat_primary.spinfo_address, + &net->ro._l_addr, + sizeof(struct sockaddr_in6)); + break; +#endif +#if defined(__Userspace__) + case AF_CONN: + memcpy(&sstat->sstat_primary.spinfo_address, + &net->ro._l_addr, + sizeof(struct sockaddr_conn)); + break; +#endif + default: + break; + } +#endif + ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; + /* + * Again the user can get info from sctp_constants.h + * for what the state of the network is. + */ + if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { + /* It's unconfirmed */ + sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; + } else if (net->dest_state & SCTP_ADDR_REACHABLE) { + /* It's active */ + sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; + } else { + /* It's inactive */ + sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; + } + sstat->sstat_primary.spinfo_cwnd = net->cwnd; + sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; + sstat->sstat_primary.spinfo_rto = net->RTO; + sstat->sstat_primary.spinfo_mtu = net->mtu; + switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) { +#if defined(INET) + case AF_INET: + sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; + break; +#endif +#if defined(INET6) + case AF_INET6: + sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD; + break; +#endif +#if defined(__Userspace__) + case AF_CONN: + sstat->sstat_primary.spinfo_mtu -= sizeof(struct sctphdr); + break; +#endif + default: + break; + } + } else { + memset(&sstat->sstat_primary, 0, sizeof(struct sctp_paddrinfo)); + } + sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); + SCTP_TCB_UNLOCK(stcb); + *optsize = sizeof(struct sctp_status); + break; + } + case SCTP_RTOINFO: + { + struct sctp_rtoinfo *srto; + + SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); + SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); + + if (stcb) { + srto->srto_initial = stcb->asoc.initial_rto; + srto->srto_max = stcb->asoc.maxrto; + srto->srto_min = stcb->asoc.minrto; + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) { + SCTP_INP_RLOCK(inp); + srto->srto_initial = inp->sctp_ep.initial_rto; + srto->srto_max = inp->sctp_ep.sctp_maxrto; + srto->srto_min = inp->sctp_ep.sctp_minrto; + SCTP_INP_RUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + if (error == 0) { + *optsize = sizeof(struct sctp_rtoinfo); + } + break; + } + case SCTP_TIMEOUTS: + { + struct sctp_timeouts *stimo; + + SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); + SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); + + if (stcb) { + stimo->stimo_init= stcb->asoc.timoinit; + stimo->stimo_data= stcb->asoc.timodata; + stimo->stimo_sack= stcb->asoc.timosack; + stimo->stimo_shutdown= stcb->asoc.timoshutdown; + stimo->stimo_heartbeat= stcb->asoc.timoheartbeat; + stimo->stimo_cookie= stcb->asoc.timocookie; + stimo->stimo_shutdownack= stcb->asoc.timoshutdownack; + SCTP_TCB_UNLOCK(stcb); + *optsize = sizeof(struct sctp_timeouts); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + break; + } + case SCTP_ASSOCINFO: + { + struct sctp_assocparams *sasoc; + + SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); + SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); + + if (stcb) { + sasoc->sasoc_cookie_life = sctp_ticks_to_msecs(stcb->asoc.cookie_life); + sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; + sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; + sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; + sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) { + SCTP_INP_RLOCK(inp); + sasoc->sasoc_cookie_life = sctp_ticks_to_msecs(inp->sctp_ep.def_cookie_life); + sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; + sasoc->sasoc_number_peer_destinations = 0; + sasoc->sasoc_peer_rwnd = 0; + sasoc->sasoc_local_rwnd = (uint32_t)sbspace(&inp->sctp_socket->so_rcv); + SCTP_INP_RUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + if (error == 0) { + *optsize = sizeof(struct sctp_assocparams); + } + break; + } + case SCTP_DEFAULT_SEND_PARAM: + { + struct sctp_sndrcvinfo *s_info; + + SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); + SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); + + if (stcb) { + memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC))) { + SCTP_INP_RLOCK(inp); + memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); + SCTP_INP_RUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + if (error == 0) { + *optsize = sizeof(struct sctp_sndrcvinfo); + } + break; + } + case SCTP_INITMSG: + { + struct sctp_initmsg *sinit; + + SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); + SCTP_INP_RLOCK(inp); + sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; + sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; + sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; + sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; + SCTP_INP_RUNLOCK(inp); + *optsize = sizeof(struct sctp_initmsg); + break; + } + case SCTP_PRIMARY_ADDR: + /* we allow a "get" operation on this */ + { + struct sctp_setprim *ssp; + + SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); + SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); + + if (stcb) { + union sctp_sockstore *addr; + + addr = &stcb->asoc.primary_destination->ro._l_addr; + switch (addr->sa.sa_family) { +#ifdef INET + case AF_INET: +#ifdef INET6 + if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { + in6_sin_2_v4mapsin6(&addr->sin, + (struct sockaddr_in6 *)&ssp->ssp_addr); + } else { + memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); + } +#else + memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); +#endif + break; +#endif +#ifdef INET6 + case AF_INET6: + memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); + break; +#endif +#if defined(__Userspace__) + case AF_CONN: + memcpy(&ssp->ssp_addr, &addr->sconn, sizeof(struct sockaddr_conn)); + break; +#endif + default: + break; + } + SCTP_TCB_UNLOCK(stcb); + *optsize = sizeof(struct sctp_setprim); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + break; + } + case SCTP_HMAC_IDENT: + { + struct sctp_hmacalgo *shmac; + sctp_hmaclist_t *hmaclist; + size_t size; + int i; + + SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); + + SCTP_INP_RLOCK(inp); + hmaclist = inp->sctp_ep.local_hmacs; + if (hmaclist == NULL) { + /* no HMACs to return */ + *optsize = sizeof(*shmac); + SCTP_INP_RUNLOCK(inp); + break; + } + /* is there room for all of the hmac ids? */ + size = sizeof(*shmac) + (hmaclist->num_algo * + sizeof(shmac->shmac_idents[0])); + if (*optsize < size) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + SCTP_INP_RUNLOCK(inp); + break; + } + /* copy in the list */ + shmac->shmac_number_of_idents = hmaclist->num_algo; + for (i = 0; i < hmaclist->num_algo; i++) { + shmac->shmac_idents[i] = hmaclist->hmac[i]; + } + SCTP_INP_RUNLOCK(inp); + *optsize = size; + break; + } + case SCTP_AUTH_ACTIVE_KEY: + { + struct sctp_authkeyid *scact; + + SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); + SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); + + if (stcb) { + /* get the active key on the assoc */ + scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (scact->scact_assoc_id == SCTP_FUTURE_ASSOC))) { + /* get the endpoint active key */ + SCTP_INP_RLOCK(inp); + scact->scact_keynumber = inp->sctp_ep.default_keyid; + SCTP_INP_RUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + if (error == 0) { + *optsize = sizeof(struct sctp_authkeyid); + } + break; + } + case SCTP_LOCAL_AUTH_CHUNKS: + { + struct sctp_authchunks *sac; + sctp_auth_chklist_t *chklist = NULL; + size_t size = 0; + + SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); + SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); + + if (stcb) { + /* get off the assoc */ + chklist = stcb->asoc.local_auth_chunks; + /* is there enough space? */ + size = sctp_auth_get_chklist_size(chklist); + if (*optsize < (sizeof(struct sctp_authchunks) + size)) { + error = EINVAL; + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); + } else { + /* copy in the chunks */ + (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); + sac->gauth_number_of_chunks = (uint32_t)size; + *optsize = sizeof(struct sctp_authchunks) + size; + } + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC))) { + /* get off the endpoint */ + SCTP_INP_RLOCK(inp); + chklist = inp->sctp_ep.local_auth_chunks; + /* is there enough space? */ + size = sctp_auth_get_chklist_size(chklist); + if (*optsize < (sizeof(struct sctp_authchunks) + size)) { + error = EINVAL; + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); + } else { + /* copy in the chunks */ + (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); + sac->gauth_number_of_chunks = (uint32_t)size; + *optsize = sizeof(struct sctp_authchunks) + size; + } + SCTP_INP_RUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + break; + } + case SCTP_PEER_AUTH_CHUNKS: + { + struct sctp_authchunks *sac; + sctp_auth_chklist_t *chklist = NULL; + size_t size = 0; + + SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); + SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); + + if (stcb) { + /* get off the assoc */ + chklist = stcb->asoc.peer_auth_chunks; + /* is there enough space? */ + size = sctp_auth_get_chklist_size(chklist); + if (*optsize < (sizeof(struct sctp_authchunks) + size)) { + error = EINVAL; + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); + } else { + /* copy in the chunks */ + (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); + sac->gauth_number_of_chunks = (uint32_t)size; + *optsize = sizeof(struct sctp_authchunks) + size; + } + SCTP_TCB_UNLOCK(stcb); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); + error = ENOENT; + } + break; + } +#if defined(HAVE_SCTP_PEELOFF_SOCKOPT) + case SCTP_PEELOFF: + { + struct sctp_peeloff_opt *peeloff; + + SCTP_CHECK_AND_CAST(peeloff, optval, struct sctp_peeloff_opt, *optsize); + /* do the peeloff */ + error = sctp_peeloff_option(p, peeloff); + if (error == 0) { + *optsize = sizeof(struct sctp_peeloff_opt); + } + } + break; +#endif /* HAVE_SCTP_PEELOFF_SOCKOPT */ + case SCTP_EVENT: + { + struct sctp_event *event; + uint32_t event_type; + + SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); + SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); + + switch (event->se_type) { + case SCTP_ASSOC_CHANGE: + event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; + break; + case SCTP_PEER_ADDR_CHANGE: + event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; + break; + case SCTP_REMOTE_ERROR: + event_type = SCTP_PCB_FLAGS_RECVPEERERR; + break; + case SCTP_SEND_FAILED: + event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; + break; + case SCTP_SHUTDOWN_EVENT: + event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; + break; + case SCTP_ADAPTATION_INDICATION: + event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; + break; + case SCTP_PARTIAL_DELIVERY_EVENT: + event_type = SCTP_PCB_FLAGS_PDAPIEVNT; + break; + case SCTP_AUTHENTICATION_EVENT: + event_type = SCTP_PCB_FLAGS_AUTHEVNT; + break; + case SCTP_STREAM_RESET_EVENT: + event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; + break; + case SCTP_SENDER_DRY_EVENT: + event_type = SCTP_PCB_FLAGS_DRYEVNT; + break; + case SCTP_NOTIFICATIONS_STOPPED_EVENT: + event_type = 0; + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); + error = ENOTSUP; + break; + case SCTP_ASSOC_RESET_EVENT: + event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; + break; + case SCTP_STREAM_CHANGE_EVENT: + event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; + break; + case SCTP_SEND_FAILED_EVENT: + event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; + break; + default: + event_type = 0; + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + break; + } + if (event_type > 0) { + if (stcb) { + event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (event->se_assoc_id == SCTP_FUTURE_ASSOC))) { + SCTP_INP_RLOCK(inp); + event->se_on = sctp_is_feature_on(inp, event_type); + SCTP_INP_RUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + } + if (stcb != NULL) { + SCTP_TCB_UNLOCK(stcb); + } + if (error == 0) { + *optsize = sizeof(struct sctp_event); + } + break; + } + case SCTP_RECVRCVINFO: + if (*optsize < sizeof(int)) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } else { + SCTP_INP_RLOCK(inp); + *(int *)optval = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); + SCTP_INP_RUNLOCK(inp); + *optsize = sizeof(int); + } + break; + case SCTP_RECVNXTINFO: + if (*optsize < sizeof(int)) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } else { + SCTP_INP_RLOCK(inp); + *(int *)optval = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); + SCTP_INP_RUNLOCK(inp); + *optsize = sizeof(int); + } + break; + case SCTP_DEFAULT_SNDINFO: + { + struct sctp_sndinfo *info; + + SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); + SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); + + if (stcb) { + info->snd_sid = stcb->asoc.def_send.sinfo_stream; + info->snd_flags = stcb->asoc.def_send.sinfo_flags; + info->snd_flags &= 0xfff0; + info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; + info->snd_context = stcb->asoc.def_send.sinfo_context; + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (info->snd_assoc_id == SCTP_FUTURE_ASSOC))) { + SCTP_INP_RLOCK(inp); + info->snd_sid = inp->def_send.sinfo_stream; + info->snd_flags = inp->def_send.sinfo_flags; + info->snd_flags &= 0xfff0; + info->snd_ppid = inp->def_send.sinfo_ppid; + info->snd_context = inp->def_send.sinfo_context; + SCTP_INP_RUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + if (error == 0) { + *optsize = sizeof(struct sctp_sndinfo); + } + break; + } + case SCTP_DEFAULT_PRINFO: + { + struct sctp_default_prinfo *info; + + SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); + SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); + + if (stcb) { + info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); + info->pr_value = stcb->asoc.def_send.sinfo_timetolive; + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (info->pr_assoc_id == SCTP_FUTURE_ASSOC))) { + SCTP_INP_RLOCK(inp); + info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); + info->pr_value = inp->def_send.sinfo_timetolive; + SCTP_INP_RUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + if (error == 0) { + *optsize = sizeof(struct sctp_default_prinfo); + } + break; + } + case SCTP_PEER_ADDR_THLDS: + { + struct sctp_paddrthlds *thlds; + struct sctp_nets *net; + struct sockaddr *addr; +#if defined(INET) && defined(INET6) + struct sockaddr_in sin_store; +#endif + + SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); + SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); + +#if defined(INET) && defined(INET6) + if (thlds->spt_address.ss_family == AF_INET6) { + struct sockaddr_in6 *sin6; + + sin6 = (struct sockaddr_in6 *)&thlds->spt_address; + if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { + in6_sin6_2_sin(&sin_store, sin6); + addr = (struct sockaddr *)&sin_store; + } else { + addr = (struct sockaddr *)&thlds->spt_address; + } + } else { + addr = (struct sockaddr *)&thlds->spt_address; + } +#else + addr = (struct sockaddr *)&thlds->spt_address; +#endif + if (stcb != NULL) { + net = sctp_findnet(stcb, addr); + } else { + /* We increment here since sctp_findassociation_ep_addr() wil + * do a decrement if it finds the stcb as long as the locked + * tcb (last argument) is NOT a TCB.. aka NULL. + */ + net = NULL; + SCTP_INP_INCR_REF(inp); + stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); + if (stcb == NULL) { + SCTP_INP_DECR_REF(inp); + } + } + if ((stcb != NULL) && (net == NULL)) { +#ifdef INET + if (addr->sa_family == AF_INET) { + struct sockaddr_in *sin; + + sin = (struct sockaddr_in *)addr; + if (sin->sin_addr.s_addr != INADDR_ANY) { + error = EINVAL; + SCTP_TCB_UNLOCK(stcb); + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); + break; + } + } else +#endif +#ifdef INET6 + if (addr->sa_family == AF_INET6) { + struct sockaddr_in6 *sin6; + + sin6 = (struct sockaddr_in6 *)addr; + if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { + error = EINVAL; + SCTP_TCB_UNLOCK(stcb); + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); + break; + } + } else +#endif +#if defined(__Userspace__) + if (addr->sa_family == AF_CONN) { + struct sockaddr_conn *sconn; + + sconn = (struct sockaddr_conn *)addr; + if (sconn->sconn_addr != NULL) { + error = EINVAL; + SCTP_TCB_UNLOCK(stcb); + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); + break; + } + } else +#endif + { + error = EAFNOSUPPORT; + SCTP_TCB_UNLOCK(stcb); + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); + break; + } + } + + if (stcb != NULL) { + if (net != NULL) { + thlds->spt_pathmaxrxt = net->failure_threshold; + thlds->spt_pathpfthld = net->pf_threshold; + thlds->spt_pathcpthld = 0xffff; + } else { + thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; + thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; + thlds->spt_pathcpthld = 0xffff; + } + thlds->spt_assoc_id = sctp_get_associd(stcb); + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) { + /* Use endpoint defaults */ + SCTP_INP_RLOCK(inp); + thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; + thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; + thlds->spt_pathcpthld = 0xffff; + SCTP_INP_RUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + if (error == 0) { + *optsize = sizeof(struct sctp_paddrthlds); + } + break; + } + case SCTP_REMOTE_UDP_ENCAPS_PORT: + { + struct sctp_udpencaps *encaps; + struct sctp_nets *net; + struct sockaddr *addr; +#if defined(INET) && defined(INET6) + struct sockaddr_in sin_store; +#endif + + SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); + SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); + +#if defined(INET) && defined(INET6) + if (encaps->sue_address.ss_family == AF_INET6) { + struct sockaddr_in6 *sin6; + + sin6 = (struct sockaddr_in6 *)&encaps->sue_address; + if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { + in6_sin6_2_sin(&sin_store, sin6); + addr = (struct sockaddr *)&sin_store; + } else { + addr = (struct sockaddr *)&encaps->sue_address; + } + } else { + addr = (struct sockaddr *)&encaps->sue_address; + } +#else + addr = (struct sockaddr *)&encaps->sue_address; +#endif + if (stcb) { + net = sctp_findnet(stcb, addr); + } else { + /* We increment here since sctp_findassociation_ep_addr() wil + * do a decrement if it finds the stcb as long as the locked + * tcb (last argument) is NOT a TCB.. aka NULL. + */ + net = NULL; + SCTP_INP_INCR_REF(inp); + stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); + if (stcb == NULL) { + SCTP_INP_DECR_REF(inp); + } + } + if ((stcb != NULL) && (net == NULL)) { +#ifdef INET + if (addr->sa_family == AF_INET) { + struct sockaddr_in *sin; + + sin = (struct sockaddr_in *)addr; + if (sin->sin_addr.s_addr != INADDR_ANY) { + error = EINVAL; + SCTP_TCB_UNLOCK(stcb); + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); + break; + } + } else +#endif +#ifdef INET6 + if (addr->sa_family == AF_INET6) { + struct sockaddr_in6 *sin6; + + sin6 = (struct sockaddr_in6 *)addr; + if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { + error = EINVAL; + SCTP_TCB_UNLOCK(stcb); + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); + break; + } + } else +#endif +#if defined(__Userspace__) + if (addr->sa_family == AF_CONN) { + struct sockaddr_conn *sconn; + + sconn = (struct sockaddr_conn *)addr; + if (sconn->sconn_addr != NULL) { + error = EINVAL; + SCTP_TCB_UNLOCK(stcb); + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); + break; + } + } else +#endif + { + error = EAFNOSUPPORT; + SCTP_TCB_UNLOCK(stcb); + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); + break; + } + } + + if (stcb != NULL) { + if (net) { + encaps->sue_port = net->port; + } else { + encaps->sue_port = stcb->asoc.port; + } + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) { + SCTP_INP_RLOCK(inp); + encaps->sue_port = inp->sctp_ep.port; + SCTP_INP_RUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + if (error == 0) { + *optsize = sizeof(struct sctp_udpencaps); + } + break; + } + case SCTP_ECN_SUPPORTED: + { + struct sctp_assoc_value *av; + + SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); + SCTP_FIND_STCB(inp, stcb, av->assoc_id); + + if (stcb) { + av->assoc_value = stcb->asoc.ecn_supported; + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (av->assoc_id == SCTP_FUTURE_ASSOC))) { + SCTP_INP_RLOCK(inp); + av->assoc_value = inp->ecn_supported; + SCTP_INP_RUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + if (error == 0) { + *optsize = sizeof(struct sctp_assoc_value); + } + break; + } + case SCTP_PR_SUPPORTED: + { + struct sctp_assoc_value *av; + + SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); + SCTP_FIND_STCB(inp, stcb, av->assoc_id); + + if (stcb) { + av->assoc_value = stcb->asoc.prsctp_supported; + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (av->assoc_id == SCTP_FUTURE_ASSOC))) { + SCTP_INP_RLOCK(inp); + av->assoc_value = inp->prsctp_supported; + SCTP_INP_RUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + if (error == 0) { + *optsize = sizeof(struct sctp_assoc_value); + } + break; + } + case SCTP_AUTH_SUPPORTED: + { + struct sctp_assoc_value *av; + + SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); + SCTP_FIND_STCB(inp, stcb, av->assoc_id); + + if (stcb) { + av->assoc_value = stcb->asoc.auth_supported; + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (av->assoc_id == SCTP_FUTURE_ASSOC))) { + SCTP_INP_RLOCK(inp); + av->assoc_value = inp->auth_supported; + SCTP_INP_RUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + if (error == 0) { + *optsize = sizeof(struct sctp_assoc_value); + } + break; + } + case SCTP_ASCONF_SUPPORTED: + { + struct sctp_assoc_value *av; + + SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); + SCTP_FIND_STCB(inp, stcb, av->assoc_id); + + if (stcb) { + av->assoc_value = stcb->asoc.asconf_supported; + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (av->assoc_id == SCTP_FUTURE_ASSOC))) { + SCTP_INP_RLOCK(inp); + av->assoc_value = inp->asconf_supported; + SCTP_INP_RUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + if (error == 0) { + *optsize = sizeof(struct sctp_assoc_value); + } + break; + } + case SCTP_RECONFIG_SUPPORTED: + { + struct sctp_assoc_value *av; + + SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); + SCTP_FIND_STCB(inp, stcb, av->assoc_id); + + if (stcb) { + av->assoc_value = stcb->asoc.reconfig_supported; + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (av->assoc_id == SCTP_FUTURE_ASSOC))) { + SCTP_INP_RLOCK(inp); + av->assoc_value = inp->reconfig_supported; + SCTP_INP_RUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + if (error == 0) { + *optsize = sizeof(struct sctp_assoc_value); + } + break; + } + case SCTP_NRSACK_SUPPORTED: + { + struct sctp_assoc_value *av; + + SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); + SCTP_FIND_STCB(inp, stcb, av->assoc_id); + + if (stcb) { + av->assoc_value = stcb->asoc.nrsack_supported; + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (av->assoc_id == SCTP_FUTURE_ASSOC))) { + SCTP_INP_RLOCK(inp); + av->assoc_value = inp->nrsack_supported; + SCTP_INP_RUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + if (error == 0) { + *optsize = sizeof(struct sctp_assoc_value); + } + break; + } + case SCTP_PKTDROP_SUPPORTED: + { + struct sctp_assoc_value *av; + + SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); + SCTP_FIND_STCB(inp, stcb, av->assoc_id); + + if (stcb) { + av->assoc_value = stcb->asoc.pktdrop_supported; + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (av->assoc_id == SCTP_FUTURE_ASSOC))) { + SCTP_INP_RLOCK(inp); + av->assoc_value = inp->pktdrop_supported; + SCTP_INP_RUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + if (error == 0) { + *optsize = sizeof(struct sctp_assoc_value); + } + break; + } + case SCTP_ENABLE_STREAM_RESET: + { + struct sctp_assoc_value *av; + + SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); + SCTP_FIND_STCB(inp, stcb, av->assoc_id); + + if (stcb) { + av->assoc_value = (uint32_t)stcb->asoc.local_strreset_support; + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (av->assoc_id == SCTP_FUTURE_ASSOC))) { + SCTP_INP_RLOCK(inp); + av->assoc_value = (uint32_t)inp->local_strreset_support; + SCTP_INP_RUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + if (error == 0) { + *optsize = sizeof(struct sctp_assoc_value); + } + break; + } + case SCTP_PR_STREAM_STATUS: + { + struct sctp_prstatus *sprstat; + uint16_t sid; + uint16_t policy; + + SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); + SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); + + sid = sprstat->sprstat_sid; + policy = sprstat->sprstat_policy; +#if defined(SCTP_DETAILED_STR_STATS) + if ((stcb != NULL) && + (sid < stcb->asoc.streamoutcnt) && + (policy != SCTP_PR_SCTP_NONE) && + ((policy <= SCTP_PR_SCTP_MAX) || + (policy == SCTP_PR_SCTP_ALL))) { + if (policy == SCTP_PR_SCTP_ALL) { + sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; + sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; + } else { + sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; + sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; + } +#else + if ((stcb != NULL) && + (sid < stcb->asoc.streamoutcnt) && + (policy == SCTP_PR_SCTP_ALL)) { + sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; + sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; +#endif + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + if (stcb != NULL) { + SCTP_TCB_UNLOCK(stcb); + } + if (error == 0) { + *optsize = sizeof(struct sctp_prstatus); + } + break; + } + case SCTP_PR_ASSOC_STATUS: + { + struct sctp_prstatus *sprstat; + uint16_t policy; + + SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); + SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); + + policy = sprstat->sprstat_policy; + if ((stcb != NULL) && + (policy != SCTP_PR_SCTP_NONE) && + ((policy <= SCTP_PR_SCTP_MAX) || + (policy == SCTP_PR_SCTP_ALL))) { + if (policy == SCTP_PR_SCTP_ALL) { + sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; + sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; + } else { + sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; + sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; + } + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + if (stcb != NULL) { + SCTP_TCB_UNLOCK(stcb); + } + if (error == 0) { + *optsize = sizeof(struct sctp_prstatus); + } + break; + } + case SCTP_MAX_CWND: + { + struct sctp_assoc_value *av; + + SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); + SCTP_FIND_STCB(inp, stcb, av->assoc_id); + + if (stcb) { + av->assoc_value = stcb->asoc.max_cwnd; + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (av->assoc_id == SCTP_FUTURE_ASSOC))) { + SCTP_INP_RLOCK(inp); + av->assoc_value = inp->max_cwnd; + SCTP_INP_RUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + if (error == 0) { + *optsize = sizeof(struct sctp_assoc_value); + } + break; + } + default: + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); + error = ENOPROTOOPT; + break; + } /* end switch (sopt->sopt_name) */ + if (error) { + *optsize = 0; + } + return (error); +} + +#if defined(__Userspace__) +int +#else +static int +#endif +sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, + void *p) +{ + int error, set_opt; + uint32_t *mopt; + struct sctp_tcb *stcb = NULL; + struct sctp_inpcb *inp = NULL; + uint32_t vrf_id; + + if (optval == NULL) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + return (EINVAL); + } + inp = (struct sctp_inpcb *)so->so_pcb; + if (inp == NULL) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + return (EINVAL); + } + vrf_id = inp->def_vrf_id; + + error = 0; + switch (optname) { + case SCTP_NODELAY: + case SCTP_AUTOCLOSE: + case SCTP_AUTO_ASCONF: + case SCTP_EXPLICIT_EOR: + case SCTP_DISABLE_FRAGMENTS: + case SCTP_USE_EXT_RCVINFO: + case SCTP_I_WANT_MAPPED_V4_ADDR: + /* copy in the option value */ + SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); + set_opt = 0; + if (error) + break; + switch (optname) { + case SCTP_DISABLE_FRAGMENTS: + set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; + break; + case SCTP_AUTO_ASCONF: + /* + * NOTE: we don't really support this flag + */ + if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { + /* only valid for bound all sockets */ + if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && + (*mopt != 0)) { + /* forbidden by admin */ + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); + return (EPERM); + } + set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + return (EINVAL); + } + break; + case SCTP_EXPLICIT_EOR: + set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; + break; + case SCTP_USE_EXT_RCVINFO: + set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; + break; + case SCTP_I_WANT_MAPPED_V4_ADDR: + if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { + set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + return (EINVAL); + } + break; + case SCTP_NODELAY: + set_opt = SCTP_PCB_FLAGS_NODELAY; + break; + case SCTP_AUTOCLOSE: + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + return (EINVAL); + } + set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; + /* + * The value is in ticks. Note this does not effect + * old associations, only new ones. + */ + inp->sctp_ep.auto_close_time = sctp_secs_to_ticks(*mopt); + break; + } + SCTP_INP_WLOCK(inp); + if (*mopt != 0) { + sctp_feature_on(inp, set_opt); + } else { + sctp_feature_off(inp, set_opt); + } + SCTP_INP_WUNLOCK(inp); + break; + case SCTP_REUSE_PORT: + { + SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); + if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { + /* Can't set it after we are bound */ + error = EINVAL; + break; + } + if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { + /* Can't do this for a 1-m socket */ + error = EINVAL; + break; + } + if (optval) + sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); + else + sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); + break; + } + case SCTP_PARTIAL_DELIVERY_POINT: + { + uint32_t *value; + + SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); + if (*value > SCTP_SB_LIMIT_RCV(so)) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + break; + } + inp->partial_delivery_point = *value; + break; + } + case SCTP_FRAGMENT_INTERLEAVE: + /* not yet until we re-write sctp_recvmsg() */ + { + uint32_t *level; + + SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); + if (*level == SCTP_FRAG_LEVEL_2) { + sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); + sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); + } else if (*level == SCTP_FRAG_LEVEL_1) { + sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); + sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); + } else if (*level == SCTP_FRAG_LEVEL_0) { + sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); + sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); + + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + break; + } + case SCTP_INTERLEAVING_SUPPORTED: + { + struct sctp_assoc_value *av; + + SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); + SCTP_FIND_STCB(inp, stcb, av->assoc_id); + + if (stcb) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (av->assoc_id == SCTP_FUTURE_ASSOC))) { + SCTP_INP_WLOCK(inp); + if (av->assoc_value == 0) { + inp->idata_supported = 0; + } else { + if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) && + (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS))) { + inp->idata_supported = 1; + } else { + /* Must have Frag interleave and stream interleave on */ + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + SCTP_INP_WUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + break; + } + case SCTP_CMT_ON_OFF: + if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { + struct sctp_assoc_value *av; + + SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); + if (av->assoc_value > SCTP_CMT_MAX) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + break; + } + SCTP_FIND_STCB(inp, stcb, av->assoc_id); + if (stcb) { + stcb->asoc.sctp_cmt_on_off = av->assoc_value; + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + ((av->assoc_id == SCTP_FUTURE_ASSOC) || + (av->assoc_id == SCTP_ALL_ASSOC)))) { + SCTP_INP_WLOCK(inp); + inp->sctp_cmt_on_off = av->assoc_value; + SCTP_INP_WUNLOCK(inp); + } + if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + ((av->assoc_id == SCTP_CURRENT_ASSOC) || + (av->assoc_id == SCTP_ALL_ASSOC))) { + SCTP_INP_RLOCK(inp); + LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { + SCTP_TCB_LOCK(stcb); + stcb->asoc.sctp_cmt_on_off = av->assoc_value; + SCTP_TCB_UNLOCK(stcb); + } + SCTP_INP_RUNLOCK(inp); + } + } + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); + error = ENOPROTOOPT; + } + break; + case SCTP_PLUGGABLE_CC: + { + struct sctp_assoc_value *av; + struct sctp_nets *net; + + SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); + if ((av->assoc_value != SCTP_CC_RFC2581) && + (av->assoc_value != SCTP_CC_HSTCP) && + (av->assoc_value != SCTP_CC_HTCP) && + (av->assoc_value != SCTP_CC_RTCC)) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + break; + } + SCTP_FIND_STCB(inp, stcb, av->assoc_id); + if (stcb) { + stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; + stcb->asoc.congestion_control_module = av->assoc_value; + if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { + TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { + stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); + } + } + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + ((av->assoc_id == SCTP_FUTURE_ASSOC) || + (av->assoc_id == SCTP_ALL_ASSOC)))) { + SCTP_INP_WLOCK(inp); + inp->sctp_ep.sctp_default_cc_module = av->assoc_value; + SCTP_INP_WUNLOCK(inp); + } + if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + ((av->assoc_id == SCTP_CURRENT_ASSOC) || + (av->assoc_id == SCTP_ALL_ASSOC))) { + SCTP_INP_RLOCK(inp); + LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { + SCTP_TCB_LOCK(stcb); + stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; + stcb->asoc.congestion_control_module = av->assoc_value; + if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { + TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { + stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); + } + } + SCTP_TCB_UNLOCK(stcb); + } + SCTP_INP_RUNLOCK(inp); + } + } + break; + } + case SCTP_CC_OPTION: + { + struct sctp_cc_option *cc_opt; + + SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); + SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); + if (stcb == NULL) { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC)) { + SCTP_INP_RLOCK(inp); + LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { + SCTP_TCB_LOCK(stcb); + if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { + (*stcb->asoc.cc_functions.sctp_cwnd_socket_option)(stcb, 1, cc_opt); + } + SCTP_TCB_UNLOCK(stcb); + } + SCTP_INP_RUNLOCK(inp); + } else { + error = EINVAL; + } + } else { + if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { + error = ENOTSUP; + } else { + error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option)(stcb, 1, + cc_opt); + } + SCTP_TCB_UNLOCK(stcb); + } + break; + } + case SCTP_PLUGGABLE_SS: + { + struct sctp_assoc_value *av; + + SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); + if ((av->assoc_value != SCTP_SS_DEFAULT) && + (av->assoc_value != SCTP_SS_ROUND_ROBIN) && + (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) && + (av->assoc_value != SCTP_SS_PRIORITY) && + (av->assoc_value != SCTP_SS_FAIR_BANDWITH) && + (av->assoc_value != SCTP_SS_FIRST_COME)) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + break; + } + SCTP_FIND_STCB(inp, stcb, av->assoc_id); + if (stcb) { + stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, true); + stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; + stcb->asoc.stream_scheduling_module = av->assoc_value; + stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc); + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + ((av->assoc_id == SCTP_FUTURE_ASSOC) || + (av->assoc_id == SCTP_ALL_ASSOC)))) { + SCTP_INP_WLOCK(inp); + inp->sctp_ep.sctp_default_ss_module = av->assoc_value; + SCTP_INP_WUNLOCK(inp); + } + if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + ((av->assoc_id == SCTP_CURRENT_ASSOC) || + (av->assoc_id == SCTP_ALL_ASSOC))) { + SCTP_INP_RLOCK(inp); + LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { + SCTP_TCB_LOCK(stcb); + stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, true); + stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; + stcb->asoc.stream_scheduling_module = av->assoc_value; + stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc); + SCTP_TCB_UNLOCK(stcb); + } + SCTP_INP_RUNLOCK(inp); + } + } + break; + } + case SCTP_SS_VALUE: + { + struct sctp_stream_value *av; + + SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); + SCTP_FIND_STCB(inp, stcb, av->assoc_id); + if (stcb) { + if ((av->stream_id >= stcb->asoc.streamoutcnt) || + (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], + av->stream_value) < 0)) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (av->assoc_id == SCTP_CURRENT_ASSOC)) { + SCTP_INP_RLOCK(inp); + LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { + SCTP_TCB_LOCK(stcb); + if (av->stream_id < stcb->asoc.streamoutcnt) { + stcb->asoc.ss_functions.sctp_ss_set_value(stcb, + &stcb->asoc, + &stcb->asoc.strmout[av->stream_id], + av->stream_value); + } + SCTP_TCB_UNLOCK(stcb); + } + SCTP_INP_RUNLOCK(inp); + } else { + /* Can't set stream value without association */ + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + break; + } + case SCTP_CLR_STAT_LOG: + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); + error = EOPNOTSUPP; + break; + case SCTP_CONTEXT: + { + struct sctp_assoc_value *av; + + SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); + SCTP_FIND_STCB(inp, stcb, av->assoc_id); + + if (stcb) { + stcb->asoc.context = av->assoc_value; + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + ((av->assoc_id == SCTP_FUTURE_ASSOC) || + (av->assoc_id == SCTP_ALL_ASSOC)))) { + SCTP_INP_WLOCK(inp); + inp->sctp_context = av->assoc_value; + SCTP_INP_WUNLOCK(inp); + } + if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + ((av->assoc_id == SCTP_CURRENT_ASSOC) || + (av->assoc_id == SCTP_ALL_ASSOC))) { + SCTP_INP_RLOCK(inp); + LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { + SCTP_TCB_LOCK(stcb); + stcb->asoc.context = av->assoc_value; + SCTP_TCB_UNLOCK(stcb); + } + SCTP_INP_RUNLOCK(inp); + } + } + break; + } + case SCTP_VRF_ID: + { + uint32_t *default_vrfid; +#ifdef SCTP_MVRF + int i; +#endif + SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); + if (*default_vrfid > SCTP_MAX_VRF_ID) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + break; + } +#ifdef SCTP_MVRF + for (i = 0; i < inp->num_vrfs; i++) { + /* The VRF must be in the VRF list */ + if (*default_vrfid == inp->m_vrf_ids[i]) { + SCTP_INP_WLOCK(inp); + inp->def_vrf_id = *default_vrfid; + SCTP_INP_WUNLOCK(inp); + goto sctp_done; + } + } + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; +#else + inp->def_vrf_id = *default_vrfid; +#endif +#ifdef SCTP_MVRF + sctp_done: +#endif + break; + } + case SCTP_DEL_VRF_ID: + { +#ifdef SCTP_MVRF + uint32_t *del_vrfid; + int i, fnd = 0; + + SCTP_CHECK_AND_CAST(del_vrfid, optval, uint32_t, optsize); + if (*del_vrfid > SCTP_MAX_VRF_ID) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + break; + } + if (inp->num_vrfs == 1) { + /* Can't delete last one */ + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + break; + } + if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { + /* Can't add more once you are bound */ + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + break; + } + SCTP_INP_WLOCK(inp); + for (i = 0; i < inp->num_vrfs; i++) { + if (*del_vrfid == inp->m_vrf_ids[i]) { + fnd = 1; + break; + } + } + if (!fnd) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + break; + } + if (i != (inp->num_vrfs - 1)) { + /* Take bottom one and move to this slot */ + inp->m_vrf_ids[i] = inp->m_vrf_ids[(inp->num_vrfs-1)]; + } + if (*del_vrfid == inp->def_vrf_id) { + /* Take the first one as the new default */ + inp->def_vrf_id = inp->m_vrf_ids[0]; + } + /* Drop the number by one killing last one */ + inp->num_vrfs--; +#else + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); + error = EOPNOTSUPP; +#endif + break; + } + case SCTP_ADD_VRF_ID: + { +#ifdef SCTP_MVRF + uint32_t *add_vrfid; + int i; + + SCTP_CHECK_AND_CAST(add_vrfid, optval, uint32_t, optsize); + if (*add_vrfid > SCTP_MAX_VRF_ID) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + break; + } + if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { + /* Can't add more once you are bound */ + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + break; + } + SCTP_INP_WLOCK(inp); + /* Verify its not already here */ + for (i = 0; i < inp->num_vrfs; i++) { + if (*add_vrfid == inp->m_vrf_ids[i]) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); + error = EALREADY; + SCTP_INP_WUNLOCK(inp); + break; + } + } + if ((inp->num_vrfs + 1) > inp->vrf_size) { + /* need to grow array */ + uint32_t *tarray; + SCTP_MALLOC(tarray, uint32_t *, + (sizeof(uint32_t) * (inp->vrf_size + SCTP_DEFAULT_VRF_SIZE)), + SCTP_M_MVRF); + if (tarray == NULL) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); + error = ENOMEM; + SCTP_INP_WUNLOCK(inp); + break; + } + memcpy(tarray, inp->m_vrf_ids, (sizeof(uint32_t) * inp->vrf_size)); + SCTP_FREE(inp->m_vrf_ids, SCTP_M_MVRF); + inp->m_vrf_ids = tarray; + inp->vrf_size += SCTP_DEFAULT_VRF_SIZE; + } + inp->m_vrf_ids[inp->num_vrfs] = *add_vrfid; + inp->num_vrfs++; + SCTP_INP_WUNLOCK(inp); +#else + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); + error = EOPNOTSUPP; +#endif + break; + } + case SCTP_DELAYED_SACK: + { + struct sctp_sack_info *sack; + + SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); + SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); + if (sack->sack_delay) { + if (sack->sack_delay > SCTP_MAX_SACK_DELAY) { + error = EINVAL; + if (stcb != NULL) { + SCTP_TCB_UNLOCK(stcb); + } + break; + } + } + if (stcb) { + if (sack->sack_delay) { + stcb->asoc.delayed_ack = sack->sack_delay; + } + if (sack->sack_freq) { + stcb->asoc.sack_freq = sack->sack_freq; + } + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + ((sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || + (sack->sack_assoc_id == SCTP_ALL_ASSOC)))) { + SCTP_INP_WLOCK(inp); + if (sack->sack_delay) { + inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = sctp_msecs_to_ticks(sack->sack_delay); + } + if (sack->sack_freq) { + inp->sctp_ep.sctp_sack_freq = sack->sack_freq; + } + SCTP_INP_WUNLOCK(inp); + } + if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || + (sack->sack_assoc_id == SCTP_ALL_ASSOC))) { + SCTP_INP_RLOCK(inp); + LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { + SCTP_TCB_LOCK(stcb); + if (sack->sack_delay) { + stcb->asoc.delayed_ack = sack->sack_delay; + } + if (sack->sack_freq) { + stcb->asoc.sack_freq = sack->sack_freq; + } + SCTP_TCB_UNLOCK(stcb); + } + SCTP_INP_RUNLOCK(inp); + } + } + break; + } + case SCTP_AUTH_CHUNK: + { + struct sctp_authchunk *sauth; + + SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); + + SCTP_INP_WLOCK(inp); + if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } else { + inp->auth_supported = 1; + } + SCTP_INP_WUNLOCK(inp); + break; + } + case SCTP_AUTH_KEY: + { + struct sctp_authkey *sca; + struct sctp_keyhead *shared_keys; + sctp_sharedkey_t *shared_key; + sctp_key_t *key = NULL; + size_t size; + + SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); + if (sca->sca_keylength == 0) { + size = optsize - sizeof(struct sctp_authkey); + } else { + if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { + size = sca->sca_keylength; + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + break; + } + } + SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); + + if (stcb) { + shared_keys = &stcb->asoc.shared_keys; + /* clear the cached keys for this key id */ + sctp_clear_cachedkeys(stcb, sca->sca_keynumber); + /* + * create the new shared key and + * insert/replace it + */ + if (size > 0) { + key = sctp_set_key(sca->sca_key, (uint32_t) size); + if (key == NULL) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); + error = ENOMEM; + SCTP_TCB_UNLOCK(stcb); + break; + } + } + shared_key = sctp_alloc_sharedkey(); + if (shared_key == NULL) { + sctp_free_key(key); + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); + error = ENOMEM; + SCTP_TCB_UNLOCK(stcb); + break; + } + shared_key->key = key; + shared_key->keyid = sca->sca_keynumber; + error = sctp_insert_sharedkey(shared_keys, shared_key); + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + ((sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || + (sca->sca_assoc_id == SCTP_ALL_ASSOC)))) { + SCTP_INP_WLOCK(inp); + shared_keys = &inp->sctp_ep.shared_keys; + /* + * clear the cached keys on all assocs for + * this key id + */ + sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); + /* + * create the new shared key and + * insert/replace it + */ + if (size > 0) { + key = sctp_set_key(sca->sca_key, (uint32_t) size); + if (key == NULL) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); + error = ENOMEM; + SCTP_INP_WUNLOCK(inp); + break; + } + } + shared_key = sctp_alloc_sharedkey(); + if (shared_key == NULL) { + sctp_free_key(key); + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); + error = ENOMEM; + SCTP_INP_WUNLOCK(inp); + break; + } + shared_key->key = key; + shared_key->keyid = sca->sca_keynumber; + error = sctp_insert_sharedkey(shared_keys, shared_key); + SCTP_INP_WUNLOCK(inp); + } + if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || + (sca->sca_assoc_id == SCTP_ALL_ASSOC))) { + SCTP_INP_RLOCK(inp); + LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { + SCTP_TCB_LOCK(stcb); + shared_keys = &stcb->asoc.shared_keys; + /* clear the cached keys for this key id */ + sctp_clear_cachedkeys(stcb, sca->sca_keynumber); + /* + * create the new shared key and + * insert/replace it + */ + if (size > 0) { + key = sctp_set_key(sca->sca_key, (uint32_t) size); + if (key == NULL) { + SCTP_TCB_UNLOCK(stcb); + continue; + } + } + shared_key = sctp_alloc_sharedkey(); + if (shared_key == NULL) { + sctp_free_key(key); + SCTP_TCB_UNLOCK(stcb); + continue; + } + shared_key->key = key; + shared_key->keyid = sca->sca_keynumber; + error = sctp_insert_sharedkey(shared_keys, shared_key); + SCTP_TCB_UNLOCK(stcb); + } + SCTP_INP_RUNLOCK(inp); + } + } + break; + } + case SCTP_HMAC_IDENT: + { + struct sctp_hmacalgo *shmac; + sctp_hmaclist_t *hmaclist; + uint16_t hmacid; + uint32_t i; + + SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); + if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || + (shmac->shmac_number_of_idents > 0xffff)) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + break; + } + + hmaclist = sctp_alloc_hmaclist((uint16_t)shmac->shmac_number_of_idents); + if (hmaclist == NULL) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); + error = ENOMEM; + break; + } + for (i = 0; i < shmac->shmac_number_of_idents; i++) { + hmacid = shmac->shmac_idents[i]; + if (sctp_auth_add_hmacid(hmaclist, hmacid)) { + /* invalid HMACs were found */; + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + sctp_free_hmaclist(hmaclist); + goto sctp_set_hmac_done; + } + } + for (i = 0; i < hmaclist->num_algo; i++) { + if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { + /* already in list */ + break; + } + } + if (i == hmaclist->num_algo) { + /* not found in list */ + sctp_free_hmaclist(hmaclist); + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + break; + } + /* set it on the endpoint */ + SCTP_INP_WLOCK(inp); + if (inp->sctp_ep.local_hmacs) + sctp_free_hmaclist(inp->sctp_ep.local_hmacs); + inp->sctp_ep.local_hmacs = hmaclist; + SCTP_INP_WUNLOCK(inp); + sctp_set_hmac_done: + break; + } + case SCTP_AUTH_ACTIVE_KEY: + { + struct sctp_authkeyid *scact; + + SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); + SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); + + /* set the active key on the right place */ + if (stcb) { + /* set the active key on the assoc */ + if (sctp_auth_setactivekey(stcb, + scact->scact_keynumber)) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, + SCTP_FROM_SCTP_USRREQ, + EINVAL); + error = EINVAL; + } + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + ((scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || + (scact->scact_assoc_id == SCTP_ALL_ASSOC)))) { + SCTP_INP_WLOCK(inp); + if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + SCTP_INP_WUNLOCK(inp); + } + if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || + (scact->scact_assoc_id == SCTP_ALL_ASSOC))) { + SCTP_INP_RLOCK(inp); + LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { + SCTP_TCB_LOCK(stcb); + sctp_auth_setactivekey(stcb, scact->scact_keynumber); + SCTP_TCB_UNLOCK(stcb); + } + SCTP_INP_RUNLOCK(inp); + } + } + break; + } + case SCTP_AUTH_DELETE_KEY: + { + struct sctp_authkeyid *scdel; + + SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); + SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); + + /* delete the key from the right place */ + if (stcb) { + if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + ((scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || + (scdel->scact_assoc_id == SCTP_ALL_ASSOC)))) { + SCTP_INP_WLOCK(inp); + if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + SCTP_INP_WUNLOCK(inp); + } + if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || + (scdel->scact_assoc_id == SCTP_ALL_ASSOC))) { + SCTP_INP_RLOCK(inp); + LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { + SCTP_TCB_LOCK(stcb); + sctp_delete_sharedkey(stcb, scdel->scact_keynumber); + SCTP_TCB_UNLOCK(stcb); + } + SCTP_INP_RUNLOCK(inp); + } + } + break; + } + case SCTP_AUTH_DEACTIVATE_KEY: + { + struct sctp_authkeyid *keyid; + + SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); + SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); + + /* deactivate the key from the right place */ + if (stcb) { + if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + ((keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || + (keyid->scact_assoc_id == SCTP_ALL_ASSOC)))) { + SCTP_INP_WLOCK(inp); + if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + SCTP_INP_WUNLOCK(inp); + } + if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || + (keyid->scact_assoc_id == SCTP_ALL_ASSOC))) { + SCTP_INP_RLOCK(inp); + LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { + SCTP_TCB_LOCK(stcb); + sctp_deact_sharedkey(stcb, keyid->scact_keynumber); + SCTP_TCB_UNLOCK(stcb); + } + SCTP_INP_RUNLOCK(inp); + } + } + break; + } + case SCTP_ENABLE_STREAM_RESET: + { + struct sctp_assoc_value *av; + + SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); + if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + break; + } + SCTP_FIND_STCB(inp, stcb, av->assoc_id); + if (stcb) { + stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + ((av->assoc_id == SCTP_FUTURE_ASSOC) || + (av->assoc_id == SCTP_ALL_ASSOC)))) { + SCTP_INP_WLOCK(inp); + inp->local_strreset_support = (uint8_t)av->assoc_value; + SCTP_INP_WUNLOCK(inp); + } + if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + ((av->assoc_id == SCTP_CURRENT_ASSOC) || + (av->assoc_id == SCTP_ALL_ASSOC))) { + SCTP_INP_RLOCK(inp); + LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { + SCTP_TCB_LOCK(stcb); + stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; + SCTP_TCB_UNLOCK(stcb); + } + SCTP_INP_RUNLOCK(inp); + } + } + break; + } + case SCTP_RESET_STREAMS: + { + struct sctp_reset_streams *strrst; + int i, send_out = 0; + int send_in = 0; + + SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); + SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); + if (stcb == NULL) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); + error = ENOENT; + break; + } + if (stcb->asoc.reconfig_supported == 0) { + /* + * Peer does not support the chunk type. + */ + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); + error = EOPNOTSUPP; + SCTP_TCB_UNLOCK(stcb); + break; + } + if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + SCTP_TCB_UNLOCK(stcb); + break; + } + if (sizeof(struct sctp_reset_streams) + + strrst->srs_number_streams * sizeof(uint16_t) > optsize) { + error = EINVAL; + SCTP_TCB_UNLOCK(stcb); + break; + } + if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { + send_in = 1; + if (stcb->asoc.stream_reset_outstanding) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); + error = EALREADY; + SCTP_TCB_UNLOCK(stcb); + break; + } + } + if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { + send_out = 1; + } + if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); + error = ENOMEM; + SCTP_TCB_UNLOCK(stcb); + break; + } + if ((send_in == 0) && (send_out == 0)) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + SCTP_TCB_UNLOCK(stcb); + break; + } + for (i = 0; i < strrst->srs_number_streams; i++) { + if ((send_in) && + (strrst->srs_stream_list[i] >= stcb->asoc.streamincnt)) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + break; + } + if ((send_out) && + (strrst->srs_stream_list[i] >= stcb->asoc.streamoutcnt)) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + break; + } + } + if (error) { + SCTP_TCB_UNLOCK(stcb); + break; + } + if (send_out) { + int cnt; + uint16_t strm; + if (strrst->srs_number_streams) { + for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) { + strm = strrst->srs_stream_list[i]; + if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) { + stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING; + cnt++; + } + } + } else { + /* Its all */ + for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) { + if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) { + stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING; + cnt++; + } + } + } + } + if (send_in) { + error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, + strrst->srs_stream_list, + send_in, 0, 0, 0, 0, 0); + } else { + error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED); + } + if (error == 0) { + sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); + } else { + /* + * For outgoing streams don't report any problems in + * sending the request to the application. + * XXX: Double check resetting incoming streams. + */ + error = 0; + } + SCTP_TCB_UNLOCK(stcb); + break; + } + case SCTP_ADD_STREAMS: + { + struct sctp_add_streams *stradd; + uint8_t addstream = 0; + uint16_t add_o_strmcnt = 0; + uint16_t add_i_strmcnt = 0; + + SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); + SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); + if (stcb == NULL) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); + error = ENOENT; + break; + } + if (stcb->asoc.reconfig_supported == 0) { + /* + * Peer does not support the chunk type. + */ + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); + error = EOPNOTSUPP; + SCTP_TCB_UNLOCK(stcb); + break; + } + if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + SCTP_TCB_UNLOCK(stcb); + break; + } + if (stcb->asoc.stream_reset_outstanding) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); + error = EALREADY; + SCTP_TCB_UNLOCK(stcb); + break; + } + if ((stradd->sas_outstrms == 0) && + (stradd->sas_instrms == 0)) { + error = EINVAL; + goto skip_stuff; + } + if (stradd->sas_outstrms) { + addstream = 1; + /* We allocate here */ + add_o_strmcnt = stradd->sas_outstrms; + if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { + /* You can't have more than 64k */ + error = EINVAL; + goto skip_stuff; + } + } + if (stradd->sas_instrms) { + int cnt; + + addstream |= 2; + /* We allocate inside sctp_send_str_reset_req() */ + add_i_strmcnt = stradd->sas_instrms; + cnt = add_i_strmcnt; + cnt += stcb->asoc.streamincnt; + if (cnt > 0x0000ffff) { + /* You can't have more than 64k */ + error = EINVAL; + goto skip_stuff; + } + if (cnt > (int)stcb->asoc.max_inbound_streams) { + /* More than you are allowed */ + error = EINVAL; + goto skip_stuff; + } + } + error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); + sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); + skip_stuff: + SCTP_TCB_UNLOCK(stcb); + break; + } + case SCTP_RESET_ASSOC: + { + int i; + uint32_t *value; + + SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); + SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) *value); + if (stcb == NULL) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); + error = ENOENT; + break; + } + if (stcb->asoc.reconfig_supported == 0) { + /* + * Peer does not support the chunk type. + */ + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); + error = EOPNOTSUPP; + SCTP_TCB_UNLOCK(stcb); + break; + } + if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + SCTP_TCB_UNLOCK(stcb); + break; + } + if (stcb->asoc.stream_reset_outstanding) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); + error = EALREADY; + SCTP_TCB_UNLOCK(stcb); + break; + } + /* Is there any data pending in the send or sent queues? */ + if (!TAILQ_EMPTY(&stcb->asoc.send_queue) || + !TAILQ_EMPTY(&stcb->asoc.sent_queue)) { + busy_out: + error = EBUSY; + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); + SCTP_TCB_UNLOCK(stcb); + break; + } + /* Do any streams have data queued? */ + for (i = 0; i < stcb->asoc.streamoutcnt; i++) { + if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) { + goto busy_out; + } + } + error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0); + sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); + SCTP_TCB_UNLOCK(stcb); + break; + } + case SCTP_CONNECT_X: + if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + break; + } + error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); + break; + case SCTP_CONNECT_X_DELAYED: + if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + break; + } + error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); + break; + case SCTP_CONNECT_X_COMPLETE: + { + struct sockaddr *sa; + + /* FIXME MT: check correct? */ + SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); + + /* find tcb */ + if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { + SCTP_INP_RLOCK(inp); + stcb = LIST_FIRST(&inp->sctp_asoc_list); + if (stcb) { + SCTP_TCB_LOCK(stcb); + } + SCTP_INP_RUNLOCK(inp); + } else { + /* We increment here since sctp_findassociation_ep_addr() wil + * do a decrement if it finds the stcb as long as the locked + * tcb (last argument) is NOT a TCB.. aka NULL. + */ + SCTP_INP_INCR_REF(inp); + stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); + if (stcb == NULL) { + SCTP_INP_DECR_REF(inp); + } + } + + if (stcb == NULL) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); + error = ENOENT; + break; + } + if (stcb->asoc.delayed_connection == 1) { + stcb->asoc.delayed_connection = 0; + (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); + sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, + stcb->asoc.primary_destination, + SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); + sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); + } else { + /* + * already expired or did not use delayed + * connectx + */ + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); + error = EALREADY; + } + SCTP_TCB_UNLOCK(stcb); + break; + } + case SCTP_MAX_BURST: + { + struct sctp_assoc_value *av; + + SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); + SCTP_FIND_STCB(inp, stcb, av->assoc_id); + + if (stcb) { + stcb->asoc.max_burst = av->assoc_value; + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + ((av->assoc_id == SCTP_FUTURE_ASSOC) || + (av->assoc_id == SCTP_ALL_ASSOC)))) { + SCTP_INP_WLOCK(inp); + inp->sctp_ep.max_burst = av->assoc_value; + SCTP_INP_WUNLOCK(inp); + } + if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + ((av->assoc_id == SCTP_CURRENT_ASSOC) || + (av->assoc_id == SCTP_ALL_ASSOC))) { + SCTP_INP_RLOCK(inp); + LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { + SCTP_TCB_LOCK(stcb); + stcb->asoc.max_burst = av->assoc_value; + SCTP_TCB_UNLOCK(stcb); + } + SCTP_INP_RUNLOCK(inp); + } + } + break; + } + case SCTP_MAXSEG: + { + struct sctp_assoc_value *av; + + SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); + SCTP_FIND_STCB(inp, stcb, av->assoc_id); + + if (stcb) { + stcb->asoc.sctp_frag_point = av->assoc_value; + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (av->assoc_id == SCTP_FUTURE_ASSOC))) { + SCTP_INP_WLOCK(inp); + inp->sctp_frag_point = av->assoc_value; + SCTP_INP_WUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + break; + } + case SCTP_EVENTS: + { + struct sctp_event_subscribe *events; + + SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); + + SCTP_INP_WLOCK(inp); + if (events->sctp_data_io_event) { + sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); + } else { + sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); + } + + if (events->sctp_association_event) { + sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); + } else { + sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); + } + + if (events->sctp_address_event) { + sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); + } else { + sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); + } + + if (events->sctp_send_failure_event) { + sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); + } else { + sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); + } + + if (events->sctp_peer_error_event) { + sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); + } else { + sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); + } + + if (events->sctp_shutdown_event) { + sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); + } else { + sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); + } + + if (events->sctp_partial_delivery_event) { + sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); + } else { + sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); + } + + if (events->sctp_adaptation_layer_event) { + sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); + } else { + sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); + } + + if (events->sctp_authentication_event) { + sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); + } else { + sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); + } + + if (events->sctp_sender_dry_event) { + sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); + } else { + sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); + } + + if (events->sctp_stream_reset_event) { + sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); + } else { + sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); + } + + LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { + SCTP_TCB_LOCK(stcb); + if (events->sctp_association_event) { + sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); + } else { + sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); + } + if (events->sctp_address_event) { + sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); + } else { + sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); + } + if (events->sctp_send_failure_event) { + sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); + } else { + sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); + } + if (events->sctp_peer_error_event) { + sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); + } else { + sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); + } + if (events->sctp_shutdown_event) { + sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); + } else { + sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); + } + if (events->sctp_partial_delivery_event) { + sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); + } else { + sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); + } + if (events->sctp_adaptation_layer_event) { + sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); + } else { + sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); + } + if (events->sctp_authentication_event) { + sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); + } else { + sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); + } + if (events->sctp_sender_dry_event) { + sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); + } else { + sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); + } + if (events->sctp_stream_reset_event) { + sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); + } else { + sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); + } + SCTP_TCB_UNLOCK(stcb); + } + /* Send up the sender dry event only for 1-to-1 style sockets. */ + if (events->sctp_sender_dry_event) { + if (((inp->sctp_flags & (SCTP_PCB_FLAGS_TCPTYPE | SCTP_PCB_FLAGS_IN_TCPPOOL)) != 0) && + !SCTP_IS_LISTENING(inp)) { + stcb = LIST_FIRST(&inp->sctp_asoc_list); + if (stcb != NULL) { + SCTP_TCB_LOCK(stcb); + if (TAILQ_EMPTY(&stcb->asoc.send_queue) && + TAILQ_EMPTY(&stcb->asoc.sent_queue) && + (stcb->asoc.stream_queue_cnt == 0)) { + sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); + } + SCTP_TCB_UNLOCK(stcb); + } + } + } + SCTP_INP_WUNLOCK(inp); + break; + } + case SCTP_ADAPTATION_LAYER: + { + struct sctp_setadaptation *adap_bits; + + SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); + SCTP_INP_WLOCK(inp); + inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; + inp->sctp_ep.adaptation_layer_indicator_provided = 1; + SCTP_INP_WUNLOCK(inp); + break; + } +#ifdef SCTP_DEBUG + case SCTP_SET_INITIAL_DBG_SEQ: + { + uint32_t *vvv; + + SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); + SCTP_INP_WLOCK(inp); + inp->sctp_ep.initial_sequence_debug = *vvv; + SCTP_INP_WUNLOCK(inp); + break; + } +#endif + case SCTP_DEFAULT_SEND_PARAM: + { + struct sctp_sndrcvinfo *s_info; + + SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); + SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); + + if (stcb) { + if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { + memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + ((s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || + (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)))) { + SCTP_INP_WLOCK(inp); + memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); + SCTP_INP_WUNLOCK(inp); + } + if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || + (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC))) { + SCTP_INP_RLOCK(inp); + LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { + SCTP_TCB_LOCK(stcb); + if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { + memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); + } + SCTP_TCB_UNLOCK(stcb); + } + SCTP_INP_RUNLOCK(inp); + } + } + break; + } + case SCTP_PEER_ADDR_PARAMS: + { + struct sctp_paddrparams *paddrp; + struct sctp_nets *net; + struct sockaddr *addr; +#if defined(INET) && defined(INET6) + struct sockaddr_in sin_store; +#endif + + SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); + SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); + +#if defined(INET) && defined(INET6) + if (paddrp->spp_address.ss_family == AF_INET6) { + struct sockaddr_in6 *sin6; + + sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; + if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { + in6_sin6_2_sin(&sin_store, sin6); + addr = (struct sockaddr *)&sin_store; + } else { + addr = (struct sockaddr *)&paddrp->spp_address; + } + } else { + addr = (struct sockaddr *)&paddrp->spp_address; + } +#else + addr = (struct sockaddr *)&paddrp->spp_address; +#endif + if (stcb != NULL) { + net = sctp_findnet(stcb, addr); + } else { + /* We increment here since sctp_findassociation_ep_addr() wil + * do a decrement if it finds the stcb as long as the locked + * tcb (last argument) is NOT a TCB.. aka NULL. + */ + net = NULL; + SCTP_INP_INCR_REF(inp); + stcb = sctp_findassociation_ep_addr(&inp, addr, + &net, NULL, NULL); + if (stcb == NULL) { + SCTP_INP_DECR_REF(inp); + } + } + if ((stcb != NULL) && (net == NULL)) { +#ifdef INET + if (addr->sa_family == AF_INET) { + struct sockaddr_in *sin; + + sin = (struct sockaddr_in *)addr; + if (sin->sin_addr.s_addr != INADDR_ANY) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + SCTP_TCB_UNLOCK(stcb); + error = EINVAL; + break; + } + } else +#endif +#ifdef INET6 + if (addr->sa_family == AF_INET6) { + struct sockaddr_in6 *sin6; + + sin6 = (struct sockaddr_in6 *)addr; + if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + SCTP_TCB_UNLOCK(stcb); + error = EINVAL; + break; + } + } else +#endif +#if defined(__Userspace__) + if (addr->sa_family == AF_CONN) { + struct sockaddr_conn *sconn; + + sconn = (struct sockaddr_conn *)addr; + if (sconn->sconn_addr != NULL) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + SCTP_TCB_UNLOCK(stcb); + error = EINVAL; + break; + } + } else +#endif + { + error = EAFNOSUPPORT; + SCTP_TCB_UNLOCK(stcb); + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); + break; + } + } + /* sanity checks */ + if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { + if (stcb) + SCTP_TCB_UNLOCK(stcb); + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + return (EINVAL); + } + + if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { + if (stcb) + SCTP_TCB_UNLOCK(stcb); + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + return (EINVAL); + } + if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && + (paddrp->spp_pathmtu > 0) && + ((paddrp->spp_pathmtu < SCTP_SMALLEST_PMTU) || + (paddrp->spp_pathmtu > SCTP_LARGEST_PMTU))) { + if (stcb) + SCTP_TCB_UNLOCK(stcb); + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + return (EINVAL); + } + + if (stcb != NULL) { + /************************TCB SPECIFIC SET ******************/ + if (net != NULL) { + /************************NET SPECIFIC SET ******************/ + if (paddrp->spp_flags & SPP_HB_DISABLE) { + if (((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0) && + ((net->dest_state & SCTP_ADDR_NOHB) == 0)) { + sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, + SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); + } + net->dest_state |= SCTP_ADDR_NOHB; + } + if (paddrp->spp_flags & SPP_HB_ENABLE) { + if (paddrp->spp_hbinterval) { + net->heart_beat_delay = paddrp->spp_hbinterval; + } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { + net->heart_beat_delay = 0; + } + sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, + SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); + sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); + net->dest_state &= ~SCTP_ADDR_NOHB; + } + if (paddrp->spp_flags & SPP_HB_DEMAND) { + if (SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) { + sctp_send_hb(stcb, net, SCTP_SO_LOCKED); + sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); + sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); + } + } + if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { + if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { + sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, + SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); + } + net->dest_state |= SCTP_ADDR_NO_PMTUD; + if (paddrp->spp_pathmtu > 0) { + net->mtu = paddrp->spp_pathmtu; + switch (net->ro._l_addr.sa.sa_family) { +#ifdef INET + case AF_INET: + net->mtu += SCTP_MIN_V4_OVERHEAD; + break; +#endif +#ifdef INET6 + case AF_INET6: + net->mtu += SCTP_MIN_OVERHEAD; + break; +#endif +#if defined(__Userspace__) + case AF_CONN: + net->mtu += sizeof(struct sctphdr); + break; +#endif + default: + break; + } + if (net->mtu < stcb->asoc.smallest_mtu) { + sctp_pathmtu_adjustment(stcb, net->mtu, true); + } + } + } + if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { + if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { + sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); + } + net->dest_state &= ~SCTP_ADDR_NO_PMTUD; + } + if (paddrp->spp_pathmaxrxt > 0) { + if (net->dest_state & SCTP_ADDR_PF) { + if (net->error_count > paddrp->spp_pathmaxrxt) { + net->dest_state &= ~SCTP_ADDR_PF; + } + } else { + if ((net->error_count <= paddrp->spp_pathmaxrxt) && + (net->error_count > net->pf_threshold)) { + net->dest_state |= SCTP_ADDR_PF; + sctp_send_hb(stcb, net, SCTP_SO_LOCKED); + sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, + stcb->sctp_ep, stcb, net, + SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); + sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); + } + } + if (net->dest_state & SCTP_ADDR_REACHABLE) { + if (net->error_count > paddrp->spp_pathmaxrxt) { + net->dest_state &= ~SCTP_ADDR_REACHABLE; + sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); + } + } else { + if (net->error_count <= paddrp->spp_pathmaxrxt) { + net->dest_state |= SCTP_ADDR_REACHABLE; + sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); + } + } + net->failure_threshold = paddrp->spp_pathmaxrxt; + } + if (paddrp->spp_flags & SPP_DSCP) { + net->dscp = paddrp->spp_dscp & 0xfc; + net->dscp |= 0x01; + } +#ifdef INET6 + if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { + if (net->ro._l_addr.sa.sa_family == AF_INET6) { + net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; + net->flowlabel |= 0x80000000; + } + } +#endif + } else { + /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ + if (paddrp->spp_pathmaxrxt > 0) { + stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; + TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { + if (net->dest_state & SCTP_ADDR_PF) { + if (net->error_count > paddrp->spp_pathmaxrxt) { + net->dest_state &= ~SCTP_ADDR_PF; + } + } else { + if ((net->error_count <= paddrp->spp_pathmaxrxt) && + (net->error_count > net->pf_threshold)) { + net->dest_state |= SCTP_ADDR_PF; + sctp_send_hb(stcb, net, SCTP_SO_LOCKED); + sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, + stcb->sctp_ep, stcb, net, + SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); + sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); + } + } + if (net->dest_state & SCTP_ADDR_REACHABLE) { + if (net->error_count > paddrp->spp_pathmaxrxt) { + net->dest_state &= ~SCTP_ADDR_REACHABLE; + sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); + } + } else { + if (net->error_count <= paddrp->spp_pathmaxrxt) { + net->dest_state |= SCTP_ADDR_REACHABLE; + sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); + } + } + net->failure_threshold = paddrp->spp_pathmaxrxt; + } + } + if (paddrp->spp_flags & SPP_HB_ENABLE) { + if (paddrp->spp_hbinterval != 0) { + stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; + } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { + stcb->asoc.heart_beat_delay = 0; + } + /* Turn back on the timer */ + TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { + if (paddrp->spp_hbinterval != 0) { + net->heart_beat_delay = paddrp->spp_hbinterval; + } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { + net->heart_beat_delay = 0; + } + if (net->dest_state & SCTP_ADDR_NOHB) { + net->dest_state &= ~SCTP_ADDR_NOHB; + } + sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, + SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); + sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); + } + sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); + } + if (paddrp->spp_flags & SPP_HB_DISABLE) { + TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { + if ((net->dest_state & SCTP_ADDR_NOHB) == 0) { + net->dest_state |= SCTP_ADDR_NOHB; + if ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0) { + sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, + inp, stcb, net, + SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); + } + } + } + sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); + } + if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { + TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { + if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { + sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, + SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); + } + net->dest_state |= SCTP_ADDR_NO_PMTUD; + if (paddrp->spp_pathmtu > 0) { + net->mtu = paddrp->spp_pathmtu; + switch (net->ro._l_addr.sa.sa_family) { +#ifdef INET + case AF_INET: + net->mtu += SCTP_MIN_V4_OVERHEAD; + break; +#endif +#ifdef INET6 + case AF_INET6: + net->mtu += SCTP_MIN_OVERHEAD; + break; +#endif +#if defined(__Userspace__) + case AF_CONN: + net->mtu += sizeof(struct sctphdr); + break; +#endif + default: + break; + } + if (net->mtu < stcb->asoc.smallest_mtu) { + sctp_pathmtu_adjustment(stcb, net->mtu, true); + } + } + } + if (paddrp->spp_pathmtu > 0) { + stcb->asoc.default_mtu = paddrp->spp_pathmtu; + } + sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); + } + if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { + TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { + if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { + sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); + } + net->dest_state &= ~SCTP_ADDR_NO_PMTUD; + } + stcb->asoc.default_mtu = 0; + sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); + } + if (paddrp->spp_flags & SPP_DSCP) { + TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { + net->dscp = paddrp->spp_dscp & 0xfc; + net->dscp |= 0x01; + } + stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; + stcb->asoc.default_dscp |= 0x01; + } +#ifdef INET6 + if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { + TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { + if (net->ro._l_addr.sa.sa_family == AF_INET6) { + net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; + net->flowlabel |= 0x80000000; + } + } + stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; + stcb->asoc.default_flowlabel |= 0x80000000; + } +#endif + } + SCTP_TCB_UNLOCK(stcb); + } else { + /************************NO TCB, SET TO default stuff ******************/ + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) { + SCTP_INP_WLOCK(inp); + /* + * For the TOS/FLOWLABEL stuff you set it + * with the options on the socket + */ + if (paddrp->spp_pathmaxrxt > 0) { + inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; + } + + if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) + inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; + else if (paddrp->spp_hbinterval != 0) { + if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) + paddrp->spp_hbinterval= SCTP_MAX_HB_INTERVAL; + inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval); + } + + if (paddrp->spp_flags & SPP_HB_ENABLE) { + if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { + inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; + } else if (paddrp->spp_hbinterval) { + inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval); + } + sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); + } else if (paddrp->spp_flags & SPP_HB_DISABLE) { + sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); + } + if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { + inp->sctp_ep.default_mtu = 0; + sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); + } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { + if (paddrp->spp_pathmtu > 0) { + inp->sctp_ep.default_mtu = paddrp->spp_pathmtu; + } + sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); + } + if (paddrp->spp_flags & SPP_DSCP) { + inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; + inp->sctp_ep.default_dscp |= 0x01; + } +#ifdef INET6 + if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { + if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { + inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; + inp->sctp_ep.default_flowlabel |= 0x80000000; + } + } +#endif + SCTP_INP_WUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + break; + } + case SCTP_RTOINFO: + { + struct sctp_rtoinfo *srto; + uint32_t new_init, new_min, new_max; + + SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); + SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); + + if (stcb) { + if (srto->srto_initial) + new_init = srto->srto_initial; + else + new_init = stcb->asoc.initial_rto; + if (srto->srto_max) + new_max = srto->srto_max; + else + new_max = stcb->asoc.maxrto; + if (srto->srto_min) + new_min = srto->srto_min; + else + new_min = stcb->asoc.minrto; + if ((new_min <= new_init) && (new_init <= new_max)) { + stcb->asoc.initial_rto = new_init; + stcb->asoc.maxrto = new_max; + stcb->asoc.minrto = new_min; + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) { + SCTP_INP_WLOCK(inp); + if (srto->srto_initial) + new_init = srto->srto_initial; + else + new_init = inp->sctp_ep.initial_rto; + if (srto->srto_max) + new_max = srto->srto_max; + else + new_max = inp->sctp_ep.sctp_maxrto; + if (srto->srto_min) + new_min = srto->srto_min; + else + new_min = inp->sctp_ep.sctp_minrto; + if ((new_min <= new_init) && (new_init <= new_max)) { + inp->sctp_ep.initial_rto = new_init; + inp->sctp_ep.sctp_maxrto = new_max; + inp->sctp_ep.sctp_minrto = new_min; + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + SCTP_INP_WUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + break; + } + case SCTP_ASSOCINFO: + { + struct sctp_assocparams *sasoc; + + SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); + SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); + if (sasoc->sasoc_cookie_life > 0) { + /* boundary check the cookie life */ + if (sasoc->sasoc_cookie_life < SCTP_MIN_COOKIE_LIFE) { + sasoc->sasoc_cookie_life = SCTP_MIN_COOKIE_LIFE; + } + if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { + sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; + } + } + if (stcb) { + if (sasoc->sasoc_asocmaxrxt > 0) { + stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; + } + if (sasoc->sasoc_cookie_life > 0) { + stcb->asoc.cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life); + } + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) { + SCTP_INP_WLOCK(inp); + if (sasoc->sasoc_asocmaxrxt > 0) { + inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; + } + if (sasoc->sasoc_cookie_life > 0) { + inp->sctp_ep.def_cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life); + } + SCTP_INP_WUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + break; + } + case SCTP_INITMSG: + { + struct sctp_initmsg *sinit; + + SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); + SCTP_INP_WLOCK(inp); + if (sinit->sinit_num_ostreams) + inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; + + if (sinit->sinit_max_instreams) + inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; + + if (sinit->sinit_max_attempts) + inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; + + if (sinit->sinit_max_init_timeo) + inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; + SCTP_INP_WUNLOCK(inp); + break; + } + case SCTP_PRIMARY_ADDR: + { + struct sctp_setprim *spa; + struct sctp_nets *net; + struct sockaddr *addr; +#if defined(INET) && defined(INET6) + struct sockaddr_in sin_store; +#endif + + SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); + SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); + +#if defined(INET) && defined(INET6) + if (spa->ssp_addr.ss_family == AF_INET6) { + struct sockaddr_in6 *sin6; + + sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; + if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { + in6_sin6_2_sin(&sin_store, sin6); + addr = (struct sockaddr *)&sin_store; + } else { + addr = (struct sockaddr *)&spa->ssp_addr; + } + } else { + addr = (struct sockaddr *)&spa->ssp_addr; + } +#else + addr = (struct sockaddr *)&spa->ssp_addr; +#endif + if (stcb != NULL) { + net = sctp_findnet(stcb, addr); + } else { + /* We increment here since sctp_findassociation_ep_addr() wil + * do a decrement if it finds the stcb as long as the locked + * tcb (last argument) is NOT a TCB.. aka NULL. + */ + net = NULL; + SCTP_INP_INCR_REF(inp); + stcb = sctp_findassociation_ep_addr(&inp, addr, + &net, NULL, NULL); + if (stcb == NULL) { + SCTP_INP_DECR_REF(inp); + } + } + + if ((stcb != NULL) && (net != NULL)) { + if (net != stcb->asoc.primary_destination) { + if ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0) { + /* Ok we need to set it */ + if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { + if ((stcb->asoc.alternate) && + ((net->dest_state & SCTP_ADDR_PF) == 0) && + (net->dest_state & SCTP_ADDR_REACHABLE)) { + sctp_free_remote_addr(stcb->asoc.alternate); + stcb->asoc.alternate = NULL; + } + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + if (stcb != NULL) { + SCTP_TCB_UNLOCK(stcb); + } + break; + } + case SCTP_SET_DYNAMIC_PRIMARY: + { + union sctp_sockstore *ss; +#ifdef SCTP_MVRF + int i, fnd = 0; +#endif +#if !defined(_WIN32) && !defined(__Userspace__) +#if defined(__APPLE__) + struct proc *proc; +#endif +#if defined(__FreeBSD__) + error = priv_check(curthread, + PRIV_NETINET_RESERVEDPORT); +#elif defined(__APPLE__) + proc = (struct proc *)p; + if (p) { + error = suser(proc->p_ucred, &proc->p_acflag); + } else { + break; + } +#else + error = suser(p, 0); +#endif + if (error) + break; +#endif + + SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); + /* SUPER USER CHECK? */ +#ifdef SCTP_MVRF + for (i = 0; i < inp->num_vrfs; i++) { + if (vrf_id == inp->m_vrf_ids[i]) { + fnd = 1; + break; + } + } + if (!fnd) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + break; + } +#endif + error = sctp_dynamic_set_primary(&ss->sa, vrf_id); + break; + } + case SCTP_SET_PEER_PRIMARY_ADDR: + { + struct sctp_setpeerprim *sspp; + struct sockaddr *addr; +#if defined(INET) && defined(INET6) + struct sockaddr_in sin_store; +#endif + + SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); + SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); + if (stcb != NULL) { + struct sctp_ifa *ifa; + +#if defined(INET) && defined(INET6) + if (sspp->sspp_addr.ss_family == AF_INET6) { + struct sockaddr_in6 *sin6; + + sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; + if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { + in6_sin6_2_sin(&sin_store, sin6); + addr = (struct sockaddr *)&sin_store; + } else { + addr = (struct sockaddr *)&sspp->sspp_addr; + } + } else { + addr = (struct sockaddr *)&sspp->sspp_addr; + } +#else + addr = (struct sockaddr *)&sspp->sspp_addr; +#endif + ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); + if (ifa == NULL) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + goto out_of_it; + } + if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { + /* Must validate the ifa found is in our ep */ + struct sctp_laddr *laddr; + int found = 0; + + LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { + if (laddr->ifa == NULL) { + SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", + __func__); + continue; + } + if ((sctp_is_addr_restricted(stcb, laddr->ifa)) && + (!sctp_is_addr_pending(stcb, laddr->ifa))) { + continue; + } + if (laddr->ifa == ifa) { + found = 1; + break; + } + } + if (!found) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + goto out_of_it; + } +#if defined(__FreeBSD__) && !defined(__Userspace__) + } else { + switch (addr->sa_family) { +#ifdef INET + case AF_INET: + { + struct sockaddr_in *sin; + + sin = (struct sockaddr_in *)addr; + if (prison_check_ip4(inp->ip_inp.inp.inp_cred, + &sin->sin_addr) != 0) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + goto out_of_it; + } + break; + } +#endif +#ifdef INET6 + case AF_INET6: + { + struct sockaddr_in6 *sin6; + + sin6 = (struct sockaddr_in6 *)addr; + if (prison_check_ip6(inp->ip_inp.inp.inp_cred, + &sin6->sin6_addr) != 0) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + goto out_of_it; + } + break; + } +#endif + default: + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + goto out_of_it; + } +#endif + } + if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); + out_of_it: + SCTP_TCB_UNLOCK(stcb); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + break; + } + case SCTP_BINDX_ADD_ADDR: + { + struct sockaddr *sa; +#if defined(__FreeBSD__) && !defined(__Userspace__) + struct thread *td; + + td = (struct thread *)p; +#endif + SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); +#ifdef INET + if (sa->sa_family == AF_INET) { + if (optsize < sizeof(struct sockaddr_in)) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + break; + } +#if defined(__FreeBSD__) && !defined(__Userspace__) + if (td != NULL && + (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)sa)->sin_addr)))) { + SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); + break; + } +#endif + } else +#endif +#ifdef INET6 + if (sa->sa_family == AF_INET6) { + if (optsize < sizeof(struct sockaddr_in6)) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + break; + } +#if defined(__FreeBSD__) && !defined(__Userspace__) + if (td != NULL && + (error = prison_local_ip6(td->td_ucred, + &(((struct sockaddr_in6 *)sa)->sin6_addr), + (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { + SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); + break; + } +#endif + } else +#endif + { + error = EAFNOSUPPORT; + break; + } + sctp_bindx_add_address(so, inp, sa, vrf_id, &error, p); + break; + } + case SCTP_BINDX_REM_ADDR: + { + struct sockaddr *sa; +#if defined(__FreeBSD__) && !defined(__Userspace__) + struct thread *td; + td = (struct thread *)p; + +#endif + SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); +#ifdef INET + if (sa->sa_family == AF_INET) { + if (optsize < sizeof(struct sockaddr_in)) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + break; + } +#if defined(__FreeBSD__) && !defined(__Userspace__) + if (td != NULL && + (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)sa)->sin_addr)))) { + SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); + break; + } +#endif + } else +#endif +#ifdef INET6 + if (sa->sa_family == AF_INET6) { + if (optsize < sizeof(struct sockaddr_in6)) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + break; + } +#if defined(__FreeBSD__) && !defined(__Userspace__) + if (td != NULL && + (error = prison_local_ip6(td->td_ucred, + &(((struct sockaddr_in6 *)sa)->sin6_addr), + (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { + SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); + break; + } +#endif + } else +#endif + { + error = EAFNOSUPPORT; + break; + } + sctp_bindx_delete_address(inp, sa, vrf_id, &error); + break; + } +#if defined(__APPLE__) && !defined(__Userspace__) + case SCTP_LISTEN_FIX: + /* only applies to one-to-many sockets */ + if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { + /* make sure the ACCEPTCONN flag is OFF */ + so->so_options &= ~SO_ACCEPTCONN; + } else { + /* otherwise, not allowed */ + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + break; +#endif + case SCTP_EVENT: + { + struct sctp_event *event; + uint32_t event_type; + + SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); + SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); + switch (event->se_type) { + case SCTP_ASSOC_CHANGE: + event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; + break; + case SCTP_PEER_ADDR_CHANGE: + event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; + break; + case SCTP_REMOTE_ERROR: + event_type = SCTP_PCB_FLAGS_RECVPEERERR; + break; + case SCTP_SEND_FAILED: + event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; + break; + case SCTP_SHUTDOWN_EVENT: + event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; + break; + case SCTP_ADAPTATION_INDICATION: + event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; + break; + case SCTP_PARTIAL_DELIVERY_EVENT: + event_type = SCTP_PCB_FLAGS_PDAPIEVNT; + break; + case SCTP_AUTHENTICATION_EVENT: + event_type = SCTP_PCB_FLAGS_AUTHEVNT; + break; + case SCTP_STREAM_RESET_EVENT: + event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; + break; + case SCTP_SENDER_DRY_EVENT: + event_type = SCTP_PCB_FLAGS_DRYEVNT; + break; + case SCTP_NOTIFICATIONS_STOPPED_EVENT: + event_type = 0; + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); + error = ENOTSUP; + break; + case SCTP_ASSOC_RESET_EVENT: + event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; + break; + case SCTP_STREAM_CHANGE_EVENT: + event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; + break; + case SCTP_SEND_FAILED_EVENT: + event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; + break; + default: + event_type = 0; + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + break; + } + if (event_type > 0) { + if (stcb) { + if (event->se_on) { + sctp_stcb_feature_on(inp, stcb, event_type); + if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { + if (TAILQ_EMPTY(&stcb->asoc.send_queue) && + TAILQ_EMPTY(&stcb->asoc.sent_queue) && + (stcb->asoc.stream_queue_cnt == 0)) { + sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); + } + } + } else { + sctp_stcb_feature_off(inp, stcb, event_type); + } + SCTP_TCB_UNLOCK(stcb); + } else { + /* + * We don't want to send up a storm of events, + * so return an error for sender dry events + */ + if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && + (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + ((event->se_assoc_id == SCTP_ALL_ASSOC) || + (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); + error = ENOTSUP; + break; + } + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + ((event->se_assoc_id == SCTP_FUTURE_ASSOC) || + (event->se_assoc_id == SCTP_ALL_ASSOC)))) { + SCTP_INP_WLOCK(inp); + if (event->se_on) { + sctp_feature_on(inp, event_type); + } else { + sctp_feature_off(inp, event_type); + } + SCTP_INP_WUNLOCK(inp); + } + if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || + (event->se_assoc_id == SCTP_ALL_ASSOC))) { + SCTP_INP_RLOCK(inp); + LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { + SCTP_TCB_LOCK(stcb); + if (event->se_on) { + sctp_stcb_feature_on(inp, stcb, event_type); + } else { + sctp_stcb_feature_off(inp, stcb, event_type); + } + SCTP_TCB_UNLOCK(stcb); + } + SCTP_INP_RUNLOCK(inp); + } + } + } else { + if (stcb) { + SCTP_TCB_UNLOCK(stcb); + } + } + break; + } + case SCTP_RECVRCVINFO: + { + int *onoff; + + SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); + SCTP_INP_WLOCK(inp); + if (*onoff != 0) { + sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); + } else { + sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); + } + SCTP_INP_WUNLOCK(inp); + break; + } + case SCTP_RECVNXTINFO: + { + int *onoff; + + SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); + SCTP_INP_WLOCK(inp); + if (*onoff != 0) { + sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); + } else { + sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); + } + SCTP_INP_WUNLOCK(inp); + break; + } + case SCTP_DEFAULT_SNDINFO: + { + struct sctp_sndinfo *info; + uint16_t policy; + + SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); + SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); + + if (stcb) { + if (info->snd_sid < stcb->asoc.streamoutcnt) { + stcb->asoc.def_send.sinfo_stream = info->snd_sid; + policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); + stcb->asoc.def_send.sinfo_flags = info->snd_flags; + stcb->asoc.def_send.sinfo_flags |= policy; + stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; + stcb->asoc.def_send.sinfo_context = info->snd_context; + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + ((info->snd_assoc_id == SCTP_FUTURE_ASSOC) || + (info->snd_assoc_id == SCTP_ALL_ASSOC)))) { + SCTP_INP_WLOCK(inp); + inp->def_send.sinfo_stream = info->snd_sid; + policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); + inp->def_send.sinfo_flags = info->snd_flags; + inp->def_send.sinfo_flags |= policy; + inp->def_send.sinfo_ppid = info->snd_ppid; + inp->def_send.sinfo_context = info->snd_context; + SCTP_INP_WUNLOCK(inp); + } + if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || + (info->snd_assoc_id == SCTP_ALL_ASSOC))) { + SCTP_INP_RLOCK(inp); + LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { + SCTP_TCB_LOCK(stcb); + if (info->snd_sid < stcb->asoc.streamoutcnt) { + stcb->asoc.def_send.sinfo_stream = info->snd_sid; + policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); + stcb->asoc.def_send.sinfo_flags = info->snd_flags; + stcb->asoc.def_send.sinfo_flags |= policy; + stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; + stcb->asoc.def_send.sinfo_context = info->snd_context; + } + SCTP_TCB_UNLOCK(stcb); + } + SCTP_INP_RUNLOCK(inp); + } + } + break; + } + case SCTP_DEFAULT_PRINFO: + { + struct sctp_default_prinfo *info; + + SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); + SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); + + if (info->pr_policy > SCTP_PR_SCTP_MAX) { + if (stcb) { + SCTP_TCB_UNLOCK(stcb); + } + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + break; + } + if (stcb) { + stcb->asoc.def_send.sinfo_flags &= 0xfff0; + stcb->asoc.def_send.sinfo_flags |= info->pr_policy; + stcb->asoc.def_send.sinfo_timetolive = info->pr_value; + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + ((info->pr_assoc_id == SCTP_FUTURE_ASSOC) || + (info->pr_assoc_id == SCTP_ALL_ASSOC)))) { + SCTP_INP_WLOCK(inp); + inp->def_send.sinfo_flags &= 0xfff0; + inp->def_send.sinfo_flags |= info->pr_policy; + inp->def_send.sinfo_timetolive = info->pr_value; + SCTP_INP_WUNLOCK(inp); + } + if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || + (info->pr_assoc_id == SCTP_ALL_ASSOC))) { + SCTP_INP_RLOCK(inp); + LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { + SCTP_TCB_LOCK(stcb); + stcb->asoc.def_send.sinfo_flags &= 0xfff0; + stcb->asoc.def_send.sinfo_flags |= info->pr_policy; + stcb->asoc.def_send.sinfo_timetolive = info->pr_value; + SCTP_TCB_UNLOCK(stcb); + } + SCTP_INP_RUNLOCK(inp); + } + } + break; + } + case SCTP_PEER_ADDR_THLDS: + /* Applies to the specific association */ + { + struct sctp_paddrthlds *thlds; + struct sctp_nets *net; + struct sockaddr *addr; +#if defined(INET) && defined(INET6) + struct sockaddr_in sin_store; +#endif + + SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); + SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); + +#if defined(INET) && defined(INET6) + if (thlds->spt_address.ss_family == AF_INET6) { + struct sockaddr_in6 *sin6; + + sin6 = (struct sockaddr_in6 *)&thlds->spt_address; + if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { + in6_sin6_2_sin(&sin_store, sin6); + addr = (struct sockaddr *)&sin_store; + } else { + addr = (struct sockaddr *)&thlds->spt_address; + } + } else { + addr = (struct sockaddr *)&thlds->spt_address; + } +#else + addr = (struct sockaddr *)&thlds->spt_address; +#endif + if (stcb != NULL) { + net = sctp_findnet(stcb, addr); + } else { + /* We increment here since sctp_findassociation_ep_addr() wil + * do a decrement if it finds the stcb as long as the locked + * tcb (last argument) is NOT a TCB.. aka NULL. + */ + net = NULL; + SCTP_INP_INCR_REF(inp); + stcb = sctp_findassociation_ep_addr(&inp, addr, + &net, NULL, NULL); + if (stcb == NULL) { + SCTP_INP_DECR_REF(inp); + } + } + if ((stcb != NULL) && (net == NULL)) { +#ifdef INET + if (addr->sa_family == AF_INET) { + struct sockaddr_in *sin; + + sin = (struct sockaddr_in *)addr; + if (sin->sin_addr.s_addr != INADDR_ANY) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + SCTP_TCB_UNLOCK(stcb); + error = EINVAL; + break; + } + } else +#endif +#ifdef INET6 + if (addr->sa_family == AF_INET6) { + struct sockaddr_in6 *sin6; + + sin6 = (struct sockaddr_in6 *)addr; + if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + SCTP_TCB_UNLOCK(stcb); + error = EINVAL; + break; + } + } else +#endif +#if defined(__Userspace__) + if (addr->sa_family == AF_CONN) { + struct sockaddr_conn *sconn; + + sconn = (struct sockaddr_conn *)addr; + if (sconn->sconn_addr != NULL) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + SCTP_TCB_UNLOCK(stcb); + error = EINVAL; + break; + } + } else +#endif + { + error = EAFNOSUPPORT; + SCTP_TCB_UNLOCK(stcb); + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); + break; + } + } + if (thlds->spt_pathcpthld != 0xffff) { + if (stcb != NULL) { + SCTP_TCB_UNLOCK(stcb); + } + error = EINVAL; + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); + break; + } + if (stcb != NULL) { + if (net != NULL) { + net->failure_threshold = thlds->spt_pathmaxrxt; + net->pf_threshold = thlds->spt_pathpfthld; + if (net->dest_state & SCTP_ADDR_PF) { + if ((net->error_count > net->failure_threshold) || + (net->error_count <= net->pf_threshold)) { + net->dest_state &= ~SCTP_ADDR_PF; + } + } else { + if ((net->error_count > net->pf_threshold) && + (net->error_count <= net->failure_threshold)) { + net->dest_state |= SCTP_ADDR_PF; + sctp_send_hb(stcb, net, SCTP_SO_LOCKED); + sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, + stcb->sctp_ep, stcb, net, + SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); + sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); + } + } + if (net->dest_state & SCTP_ADDR_REACHABLE) { + if (net->error_count > net->failure_threshold) { + net->dest_state &= ~SCTP_ADDR_REACHABLE; + sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); + } + } else { + if (net->error_count <= net->failure_threshold) { + net->dest_state |= SCTP_ADDR_REACHABLE; + sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); + } + } + } else { + TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { + net->failure_threshold = thlds->spt_pathmaxrxt; + net->pf_threshold = thlds->spt_pathpfthld; + if (net->dest_state & SCTP_ADDR_PF) { + if ((net->error_count > net->failure_threshold) || + (net->error_count <= net->pf_threshold)) { + net->dest_state &= ~SCTP_ADDR_PF; + } + } else { + if ((net->error_count > net->pf_threshold) && + (net->error_count <= net->failure_threshold)) { + net->dest_state |= SCTP_ADDR_PF; + sctp_send_hb(stcb, net, SCTP_SO_LOCKED); + sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, + stcb->sctp_ep, stcb, net, + SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); + sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); + } + } + if (net->dest_state & SCTP_ADDR_REACHABLE) { + if (net->error_count > net->failure_threshold) { + net->dest_state &= ~SCTP_ADDR_REACHABLE; + sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); + } + } else { + if (net->error_count <= net->failure_threshold) { + net->dest_state |= SCTP_ADDR_REACHABLE; + sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); + } + } + } + stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; + stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; + } + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) { + SCTP_INP_WLOCK(inp); + inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; + inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; + SCTP_INP_WUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + break; + } + case SCTP_REMOTE_UDP_ENCAPS_PORT: + { + struct sctp_udpencaps *encaps; + struct sctp_nets *net; + struct sockaddr *addr; +#if defined(INET) && defined(INET6) + struct sockaddr_in sin_store; +#endif + + SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); + SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); + +#if defined(INET) && defined(INET6) + if (encaps->sue_address.ss_family == AF_INET6) { + struct sockaddr_in6 *sin6; + + sin6 = (struct sockaddr_in6 *)&encaps->sue_address; + if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { + in6_sin6_2_sin(&sin_store, sin6); + addr = (struct sockaddr *)&sin_store; + } else { + addr = (struct sockaddr *)&encaps->sue_address; + } + } else { + addr = (struct sockaddr *)&encaps->sue_address; + } +#else + addr = (struct sockaddr *)&encaps->sue_address; +#endif + if (stcb != NULL) { + net = sctp_findnet(stcb, addr); + } else { + /* We increment here since sctp_findassociation_ep_addr() wil + * do a decrement if it finds the stcb as long as the locked + * tcb (last argument) is NOT a TCB.. aka NULL. + */ + net = NULL; + SCTP_INP_INCR_REF(inp); + stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); + if (stcb == NULL) { + SCTP_INP_DECR_REF(inp); + } + } + if ((stcb != NULL) && (net == NULL)) { +#ifdef INET + if (addr->sa_family == AF_INET) { + struct sockaddr_in *sin; + + sin = (struct sockaddr_in *)addr; + if (sin->sin_addr.s_addr != INADDR_ANY) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + SCTP_TCB_UNLOCK(stcb); + error = EINVAL; + break; + } + } else +#endif +#ifdef INET6 + if (addr->sa_family == AF_INET6) { + struct sockaddr_in6 *sin6; + + sin6 = (struct sockaddr_in6 *)addr; + if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + SCTP_TCB_UNLOCK(stcb); + error = EINVAL; + break; + } + } else +#endif +#if defined(__Userspace__) + if (addr->sa_family == AF_CONN) { + struct sockaddr_conn *sconn; + + sconn = (struct sockaddr_conn *)addr; + if (sconn->sconn_addr != NULL) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + SCTP_TCB_UNLOCK(stcb); + error = EINVAL; + break; + } + } else +#endif + { + error = EAFNOSUPPORT; + SCTP_TCB_UNLOCK(stcb); + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); + break; + } + } + + if (stcb != NULL) { + if (net != NULL) { + net->port = encaps->sue_port; + } else { + stcb->asoc.port = encaps->sue_port; + } + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) { + SCTP_INP_WLOCK(inp); + inp->sctp_ep.port = encaps->sue_port; + SCTP_INP_WUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + break; + } + case SCTP_ECN_SUPPORTED: + { + struct sctp_assoc_value *av; + + SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); + SCTP_FIND_STCB(inp, stcb, av->assoc_id); + + if (stcb) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (av->assoc_id == SCTP_FUTURE_ASSOC))) { + SCTP_INP_WLOCK(inp); + if (av->assoc_value == 0) { + inp->ecn_supported = 0; + } else { + inp->ecn_supported = 1; + } + SCTP_INP_WUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + break; + } + case SCTP_PR_SUPPORTED: + { + struct sctp_assoc_value *av; + + SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); + SCTP_FIND_STCB(inp, stcb, av->assoc_id); + + if (stcb) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (av->assoc_id == SCTP_FUTURE_ASSOC))) { + SCTP_INP_WLOCK(inp); + if (av->assoc_value == 0) { + inp->prsctp_supported = 0; + } else { + inp->prsctp_supported = 1; + } + SCTP_INP_WUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + break; + } + case SCTP_AUTH_SUPPORTED: + { + struct sctp_assoc_value *av; + + SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); + SCTP_FIND_STCB(inp, stcb, av->assoc_id); + + if (stcb) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (av->assoc_id == SCTP_FUTURE_ASSOC))) { + if ((av->assoc_value == 0) && + (inp->asconf_supported == 1)) { + /* AUTH is required for ASCONF */ + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } else { + SCTP_INP_WLOCK(inp); + if (av->assoc_value == 0) { + inp->auth_supported = 0; + } else { + inp->auth_supported = 1; + } + SCTP_INP_WUNLOCK(inp); + } + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + break; + } + case SCTP_ASCONF_SUPPORTED: + { + struct sctp_assoc_value *av; + + SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); + SCTP_FIND_STCB(inp, stcb, av->assoc_id); + + if (stcb) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (av->assoc_id == SCTP_FUTURE_ASSOC))) { + if ((av->assoc_value != 0) && + (inp->auth_supported == 0)) { + /* AUTH is required for ASCONF */ + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } else { + SCTP_INP_WLOCK(inp); + if (av->assoc_value == 0) { + inp->asconf_supported = 0; + sctp_auth_delete_chunk(SCTP_ASCONF, + inp->sctp_ep.local_auth_chunks); + sctp_auth_delete_chunk(SCTP_ASCONF_ACK, + inp->sctp_ep.local_auth_chunks); + } else { + inp->asconf_supported = 1; + sctp_auth_add_chunk(SCTP_ASCONF, + inp->sctp_ep.local_auth_chunks); + sctp_auth_add_chunk(SCTP_ASCONF_ACK, + inp->sctp_ep.local_auth_chunks); + } + SCTP_INP_WUNLOCK(inp); + } + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + break; + } + case SCTP_RECONFIG_SUPPORTED: + { + struct sctp_assoc_value *av; + + SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); + SCTP_FIND_STCB(inp, stcb, av->assoc_id); + + if (stcb) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (av->assoc_id == SCTP_FUTURE_ASSOC))) { + SCTP_INP_WLOCK(inp); + if (av->assoc_value == 0) { + inp->reconfig_supported = 0; + } else { + inp->reconfig_supported = 1; + } + SCTP_INP_WUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + break; + } + case SCTP_NRSACK_SUPPORTED: + { + struct sctp_assoc_value *av; + + SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); + SCTP_FIND_STCB(inp, stcb, av->assoc_id); + + if (stcb) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (av->assoc_id == SCTP_FUTURE_ASSOC))) { + SCTP_INP_WLOCK(inp); + if (av->assoc_value == 0) { + inp->nrsack_supported = 0; + } else { + inp->nrsack_supported = 1; + } + SCTP_INP_WUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + break; + } + case SCTP_PKTDROP_SUPPORTED: + { + struct sctp_assoc_value *av; + + SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); + SCTP_FIND_STCB(inp, stcb, av->assoc_id); + + if (stcb) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (av->assoc_id == SCTP_FUTURE_ASSOC))) { + SCTP_INP_WLOCK(inp); + if (av->assoc_value == 0) { + inp->pktdrop_supported = 0; + } else { + inp->pktdrop_supported = 1; + } + SCTP_INP_WUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + break; + } + case SCTP_MAX_CWND: + { + struct sctp_assoc_value *av; + struct sctp_nets *net; + + SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); + SCTP_FIND_STCB(inp, stcb, av->assoc_id); + + if (stcb) { + stcb->asoc.max_cwnd = av->assoc_value; + if (stcb->asoc.max_cwnd > 0) { + TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { + if ((net->cwnd > stcb->asoc.max_cwnd) && + (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { + net->cwnd = stcb->asoc.max_cwnd; + if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { + net->cwnd = net->mtu - sizeof(struct sctphdr); + } + } + } + } + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && + (av->assoc_id == SCTP_FUTURE_ASSOC))) { + SCTP_INP_WLOCK(inp); + inp->max_cwnd = av->assoc_value; + SCTP_INP_WUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + break; + } + case SCTP_ACCEPT_ZERO_CHECKSUM: + { + uint32_t *value; + + SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); + SCTP_INP_WLOCK(inp); + if (*value != 0) { + inp->zero_checksum = 1; + } else { + inp->zero_checksum = 0; + } + SCTP_INP_WUNLOCK(inp); + break; + } + + default: + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); + error = ENOPROTOOPT; + break; + } /* end switch (opt) */ + return (error); +} + +#if !defined(__Userspace__) +int +sctp_ctloutput(struct socket *so, struct sockopt *sopt) +{ +#if defined(__FreeBSD__) + struct epoch_tracker et; + struct sctp_inpcb *inp; +#endif + void *optval = NULL; + void *p; + size_t optsize = 0; + int error = 0; + +#if defined(__FreeBSD__) + if ((sopt->sopt_level == SOL_SOCKET) && + (sopt->sopt_name == SO_SETFIB)) { + inp = (struct sctp_inpcb *)so->so_pcb; + if (inp == NULL) { + SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); + return (EINVAL); + } + SCTP_INP_WLOCK(inp); + inp->fibnum = so->so_fibnum; + SCTP_INP_WUNLOCK(inp); + return (0); + } +#endif + if (sopt->sopt_level != IPPROTO_SCTP) { + /* wrong proto level... send back up to IP */ +#ifdef INET6 + if (INP_CHECK_SOCKAF(so, AF_INET6)) + error = ip6_ctloutput(so, sopt); +#endif /* INET6 */ +#if defined(INET) && defined(INET6) + else +#endif +#ifdef INET + error = ip_ctloutput(so, sopt); +#endif + return (error); + } + optsize = sopt->sopt_valsize; + if (optsize > SCTP_SOCKET_OPTION_LIMIT) { + SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); + return (ENOBUFS); + } + if (optsize) { + SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); + if (optval == NULL) { + SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); + return (ENOBUFS); + } + error = sooptcopyin(sopt, optval, optsize, optsize); + if (error) { + SCTP_FREE(optval, SCTP_M_SOCKOPT); + goto out; + } + } +#if defined(__FreeBSD__) || defined(_WIN32) + p = (void *)sopt->sopt_td; +#else + p = (void *)sopt->sopt_p; +#endif + if (sopt->sopt_dir == SOPT_SET) { +#if defined(__FreeBSD__) + NET_EPOCH_ENTER(et); +#endif + error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); +#if defined(__FreeBSD__) + NET_EPOCH_EXIT(et); +#endif + } else if (sopt->sopt_dir == SOPT_GET) { + error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); + } else { + SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + if ((error == 0) && (optval != NULL)) { + error = sooptcopyout(sopt, optval, optsize); + SCTP_FREE(optval, SCTP_M_SOCKOPT); + } else if (optval != NULL) { + SCTP_FREE(optval, SCTP_M_SOCKOPT); + } +out: + return (error); +} +#endif + +#ifdef INET +#if defined(__Userspace__) +int +sctp_connect(struct socket *so, struct sockaddr *addr) +{ + void *p = NULL; +#elif defined(__FreeBSD__) +static int +sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) +{ +#elif defined(__APPLE__) +static int +sctp_connect(struct socket *so, struct sockaddr *addr, struct proc *p) +{ +#elif defined(_WIN32) +static int +sctp_connect(struct socket *so, struct sockaddr *addr, PKTHREAD p) +{ +#else +static int +sctp_connect(struct socket *so, struct mbuf *nam, struct proc *p) +{ + struct sockaddr *addr = mtod(nam, struct sockaddr *); + +#endif +#if defined(__FreeBSD__) && !defined(__Userspace__) + struct epoch_tracker et; +#endif +#ifdef SCTP_MVRF + int i, fnd = 0; +#endif + int error = 0; + int create_lock_on = 0; + uint32_t vrf_id; + struct sctp_inpcb *inp; + struct sctp_tcb *stcb = NULL; + + inp = (struct sctp_inpcb *)so->so_pcb; + if (inp == NULL) { + /* I made the same as TCP since we are not setup? */ + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + return (ECONNRESET); + } + if (addr == NULL) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + return EINVAL; + } + +#if defined(__Userspace__) + /* TODO __Userspace__ falls into this code for IPv6 stuff at the moment... */ +#endif +#if !defined(_WIN32) && !defined(__linux__) && !defined(__EMSCRIPTEN__) + switch (addr->sa_family) { +#ifdef INET6 + case AF_INET6: + { +#if defined(__FreeBSD__) && !defined(__Userspace__) + struct sockaddr_in6 *sin6; + +#endif + if (addr->sa_len != sizeof(struct sockaddr_in6)) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + return (EINVAL); + } +#if defined(__FreeBSD__) && !defined(__Userspace__) + sin6 = (struct sockaddr_in6 *)addr; + if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6->sin6_addr)) != 0) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); + return (error); + } +#endif + break; + } +#endif +#ifdef INET + case AF_INET: + { +#if defined(__FreeBSD__) && !defined(__Userspace__) + struct sockaddr_in *sin; + +#endif +#if !defined(_WIN32) + if (addr->sa_len != sizeof(struct sockaddr_in)) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + return (EINVAL); + } +#endif +#if defined(__FreeBSD__) && !defined(__Userspace__) + sin = (struct sockaddr_in *)addr; + if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sin->sin_addr)) != 0) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); + return (error); + } +#endif + break; + } +#endif + default: + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); + return (EAFNOSUPPORT); + } +#endif + SCTP_INP_INCR_REF(inp); + SCTP_ASOC_CREATE_LOCK(inp); + create_lock_on = 1; +#if defined(__FreeBSD__) && !defined(__Userspace__) + NET_EPOCH_ENTER(et); +#endif + + if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { + /* Should I really unlock ? */ + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); + error = EFAULT; + goto out_now; + } +#ifdef INET6 + if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && + (addr->sa_family == AF_INET6)) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + goto out_now; + } +#endif +#if defined(__Userspace__) + if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_CONN) && + (addr->sa_family != AF_CONN)) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + goto out_now; + } +#endif + if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { + /* Bind a ephemeral port */ + error = sctp_inpcb_bind(so, NULL, NULL, p); + if (error) { + goto out_now; + } + } + /* Now do we connect? */ + if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && + (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + goto out_now; + } + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && + (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { + /* We are already connected AND the TCP model */ + SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); + error = EADDRINUSE; + goto out_now; + } + if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { + SCTP_INP_RLOCK(inp); + stcb = LIST_FIRST(&inp->sctp_asoc_list); + SCTP_INP_RUNLOCK(inp); + } else { + /* We increment here since sctp_findassociation_ep_addr() will + * do a decrement if it finds the stcb as long as the locked + * tcb (last argument) is NOT a TCB.. aka NULL. + */ + SCTP_INP_INCR_REF(inp); + stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); + if (stcb == NULL) { + SCTP_INP_DECR_REF(inp); + } else { + SCTP_TCB_UNLOCK(stcb); + } + } + if (stcb != NULL) { + /* Already have or am bring up an association */ + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); + error = EALREADY; + goto out_now; + } + + vrf_id = inp->def_vrf_id; +#ifdef SCTP_MVRF + for (i = 0; i < inp->num_vrfs; i++) { + if (vrf_id == inp->m_vrf_ids[i]) { + fnd = 1; + break; + } + } + if (!fnd) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + goto out_now; + } +#endif + /* We are GOOD to go */ + stcb = sctp_aloc_assoc_connected(inp, addr, &error, 0, 0, vrf_id, + inp->sctp_ep.pre_open_stream_count, + inp->sctp_ep.port, p, + SCTP_INITIALIZE_AUTH_PARAMS); + if (stcb == NULL) { + /* Gak! no memory */ + goto out_now; + } + SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); + (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); + + sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); + SCTP_TCB_UNLOCK(stcb); + out_now: +#if defined(__FreeBSD__) && !defined(__Userspace__) + NET_EPOCH_EXIT(et); +#endif + if (create_lock_on) { + SCTP_ASOC_CREATE_UNLOCK(inp); + } + SCTP_INP_DECR_REF(inp); + return (error); +} +#endif + +#if defined(__Userspace__) +int +sctpconn_connect(struct socket *so, struct sockaddr *addr) +{ +#ifdef SCTP_MVRF + int i, fnd = 0; +#endif + void *p = NULL; + int error = 0; + int create_lock_on = 0; + uint32_t vrf_id; + struct sctp_inpcb *inp; + struct sctp_tcb *stcb = NULL; + + inp = (struct sctp_inpcb *)so->so_pcb; + if (inp == NULL) { + /* I made the same as TCP since we are not setup? */ + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + return (ECONNRESET); + } + if (addr == NULL) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + return EINVAL; + } + switch (addr->sa_family) { +#ifdef INET + case AF_INET: +#ifdef HAVE_SA_LEN + if (addr->sa_len != sizeof(struct sockaddr_in)) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + return (EINVAL); + } +#endif + break; +#endif +#ifdef INET6 + case AF_INET6: +#ifdef HAVE_SA_LEN + if (addr->sa_len != sizeof(struct sockaddr_in6)) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + return (EINVAL); + } +#endif + break; +#endif + case AF_CONN: +#ifdef HAVE_SA_LEN + if (addr->sa_len != sizeof(struct sockaddr_conn)) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + return (EINVAL); + } +#endif + break; + default: + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); + return (EAFNOSUPPORT); + } + SCTP_INP_INCR_REF(inp); + SCTP_ASOC_CREATE_LOCK(inp); + create_lock_on = 1; + + + if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { + /* Should I really unlock ? */ + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); + error = EFAULT; + goto out_now; + } +#ifdef INET6 + if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && + (addr->sa_family == AF_INET6)) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + goto out_now; + } +#endif + if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { + /* Bind a ephemeral port */ + error = sctp_inpcb_bind(so, NULL, NULL, p); + if (error) { + goto out_now; + } + } + /* Now do we connect? */ + if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && + (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + goto out_now; + } + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && + (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { + /* We are already connected AND the TCP model */ + SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); + error = EADDRINUSE; + goto out_now; + } + if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { + SCTP_INP_RLOCK(inp); + stcb = LIST_FIRST(&inp->sctp_asoc_list); + SCTP_INP_RUNLOCK(inp); + } else { + /* We increment here since sctp_findassociation_ep_addr() will + * do a decrement if it finds the stcb as long as the locked + * tcb (last argument) is NOT a TCB.. aka NULL. + */ + SCTP_INP_INCR_REF(inp); + stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); + if (stcb == NULL) { + SCTP_INP_DECR_REF(inp); + } else { + SCTP_TCB_UNLOCK(stcb); + } + } + if (stcb != NULL) { + /* Already have or am bring up an association */ + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); + error = EALREADY; + goto out_now; + } + + vrf_id = inp->def_vrf_id; +#ifdef SCTP_MVRF + for (i = 0; i < inp->num_vrfs; i++) { + if (vrf_id == inp->m_vrf_ids[i]) { + fnd = 1; + break; + } + } + if (!fnd) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + goto out_now; + } +#endif + /* We are GOOD to go */ + stcb = sctp_aloc_assoc_connected(inp, addr, &error, 0, 0, vrf_id, + inp->sctp_ep.pre_open_stream_count, + inp->sctp_ep.port, p, + SCTP_INITIALIZE_AUTH_PARAMS); + if (stcb == NULL) { + /* Gak! no memory */ + goto out_now; + } + SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); + (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); + + sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); + SCTP_TCB_UNLOCK(stcb); + out_now: + if (create_lock_on) { + SCTP_ASOC_CREATE_UNLOCK(inp); + } + + SCTP_INP_DECR_REF(inp); + return (error); +} +#endif +int +#if defined(__Userspace__) +sctp_listen(struct socket *so, int backlog, struct proc *p) +#elif defined(__FreeBSD__) +sctp_listen(struct socket *so, int backlog, struct thread *p) +#elif defined(_WIN32) +sctp_listen(struct socket *so, int backlog, PKTHREAD p) +#else +sctp_listen(struct socket *so, struct proc *p) +#endif +{ + /* + * Note this module depends on the protocol processing being called + * AFTER any socket level flags and backlog are applied to the + * socket. The traditional way that the socket flags are applied is + * AFTER protocol processing. We have made a change to the + * sys/kern/uipc_socket.c module to reverse this but this MUST be in + * place if the socket API for SCTP is to work properly. + */ + + int error = 0; + struct sctp_inpcb *inp; + + inp = (struct sctp_inpcb *)so->so_pcb; + if (inp == NULL) { + /* I made the same as TCP since we are not setup? */ + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + return (ECONNRESET); + } + if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { + /* See if we have a listener */ + struct sctp_inpcb *tinp; + union sctp_sockstore store; + + if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { + /* not bound all */ + struct sctp_laddr *laddr; + + LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { + memcpy(&store, &laddr->ifa->address, sizeof(store)); + switch (store.sa.sa_family) { +#ifdef INET + case AF_INET: + store.sin.sin_port = inp->sctp_lport; + break; +#endif +#ifdef INET6 + case AF_INET6: + store.sin6.sin6_port = inp->sctp_lport; + break; +#endif +#if defined(__Userspace__) + case AF_CONN: + store.sconn.sconn_port = inp->sctp_lport; + break; +#endif + default: + break; + } + tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); + if (tinp && (tinp != inp) && + ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && + ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && + (SCTP_IS_LISTENING(tinp))) { + /* we have a listener already and its not this inp. */ + SCTP_INP_DECR_REF(tinp); + return (EADDRINUSE); + } else if (tinp) { + SCTP_INP_DECR_REF(tinp); + } + } + } else { + /* Setup a local addr bound all */ + memset(&store, 0, sizeof(store)); +#ifdef INET6 + if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { + store.sa.sa_family = AF_INET6; +#ifdef HAVE_SA_LEN + store.sa.sa_len = sizeof(struct sockaddr_in6); +#endif + } +#endif +#if defined(__Userspace__) + if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_CONN) { + store.sa.sa_family = AF_CONN; +#ifdef HAVE_SA_LEN + store.sa.sa_len = sizeof(struct sockaddr_conn); +#endif + } +#endif +#ifdef INET +#if defined(__Userspace__) + if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && + ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_CONN) == 0)) { +#else + if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { +#endif + store.sa.sa_family = AF_INET; +#ifdef HAVE_SA_LEN + store.sa.sa_len = sizeof(struct sockaddr_in); +#endif + } +#endif + switch (store.sa.sa_family) { +#ifdef INET + case AF_INET: + store.sin.sin_port = inp->sctp_lport; + break; +#endif +#ifdef INET6 + case AF_INET6: + store.sin6.sin6_port = inp->sctp_lport; + break; +#endif +#if defined(__Userspace__) + case AF_CONN: + store.sconn.sconn_port = inp->sctp_lport; + break; +#endif + default: + break; + } + tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); + if (tinp && (tinp != inp) && + ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && + ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && + (SCTP_IS_LISTENING(tinp))) { + /* we have a listener already and its not this inp. */ + SCTP_INP_DECR_REF(tinp); + return (EADDRINUSE); + } else if (tinp) { + SCTP_INP_DECR_REF(tinp); + } + } + } + SCTP_INP_INFO_WLOCK(); + SCTP_INP_WLOCK(inp); +#ifdef SCTP_LOCK_LOGGING + if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { + sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); + } +#endif + if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { + /* The unlucky case + * - We are in the tcp pool with this guy. + * - Someone else is in the main inp slot. + * - We must move this guy (the listener) to the main slot + * - We must then move the guy that was listener to the TCP Pool. + */ + if (sctp_swap_inpcb_for_listen(inp)) { + error = EADDRINUSE; + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); + goto out; + } + } +#if defined(__FreeBSD__) || defined(__Userspace__) + SOCK_LOCK(so); + error = solisten_proto_check(so); + if (error) { + SOCK_UNLOCK(so); + goto out; + } +#endif + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && + (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { + SOCK_UNLOCK(so); +#if defined(__FreeBSD__) && !defined(__Userspace__) + solisten_proto_abort(so); +#endif + error = EADDRINUSE; + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); + goto out; + } + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && + ((inp->sctp_flags & SCTP_PCB_FLAGS_WAS_CONNECTED) || + (inp->sctp_flags & SCTP_PCB_FLAGS_WAS_ABORTED))) { + SOCK_UNLOCK(so); +#if defined(__FreeBSD__) && !defined(__Userspace__) + solisten_proto_abort(so); +#endif + error = EINVAL; + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); + goto out; + } + if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { + if ((error = sctp_inpcb_bind_locked(inp, NULL, NULL, p))) { + SOCK_UNLOCK(so); +#if defined(__FreeBSD__) && !defined(__Userspace__) + solisten_proto_abort(so); +#endif + /* bind error, probably perm */ + goto out; + } + } +#if defined(__FreeBSD__) && !defined(__Userspace__) + if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) == 0) { + solisten_proto(so, backlog); + SOCK_UNLOCK(so); + inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING; + } else { + solisten_proto_abort(so); + SOCK_UNLOCK(so); + if (backlog > 0) { + inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING; + } else { + inp->sctp_flags &= ~SCTP_PCB_FLAGS_ACCEPTING; + } + } +#elif defined(_WIN32) || defined(__Userspace__) + solisten_proto(so, backlog); +#endif +#if !(defined(__FreeBSD__) && !defined(__Userspace__)) + if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { + /* remove the ACCEPTCONN flag for one-to-many sockets */ +#if defined(__Userspace__) + so->so_options &= ~SCTP_SO_ACCEPTCONN; +#else + so->so_options &= ~SO_ACCEPTCONN; +#endif + } + SOCK_UNLOCK(so); + if (backlog > 0) { + inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING; + } else { + inp->sctp_flags &= ~SCTP_PCB_FLAGS_ACCEPTING; + } +#endif +out: + SCTP_INP_WUNLOCK(inp); + SCTP_INP_INFO_WUNLOCK(); + return (error); +} + +static int sctp_defered_wakeup_cnt = 0; + +int +sctp_accept(struct socket *so, struct sockaddr **addr) +{ + struct sctp_tcb *stcb; + struct sctp_inpcb *inp; + union sctp_sockstore store; +#ifdef INET6 +#if defined(SCTP_KAME) && defined(SCTP_EMBEDDED_V6_SCOPE) + int error; +#endif +#endif + inp = (struct sctp_inpcb *)so->so_pcb; + + if (inp == NULL) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + return (ECONNRESET); + } + SCTP_INP_WLOCK(inp); + if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { + SCTP_INP_WUNLOCK(inp); + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); + return (EOPNOTSUPP); + } + if (so->so_state & SS_ISDISCONNECTED) { + SCTP_INP_WUNLOCK(inp); + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); + return (ECONNABORTED); + } + stcb = LIST_FIRST(&inp->sctp_asoc_list); + if (stcb == NULL) { + SCTP_INP_WUNLOCK(inp); + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + return (ECONNRESET); + } + SCTP_TCB_LOCK(stcb); + store = stcb->asoc.primary_destination->ro._l_addr; + SCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_IN_ACCEPT_QUEUE); + /* Wake any delayed sleep action */ + if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { + inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; + if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { + inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; + SOCKBUF_LOCK(&inp->sctp_socket->so_snd); + if (sowriteable(inp->sctp_socket)) { +#if defined(__Userspace__) + /*__Userspace__ calling sowwakup_locked because of SOCKBUF_LOCK above. */ +#endif +#if defined(__FreeBSD__) || defined(_WIN32) || defined(__Userspace__) + sowwakeup_locked(inp->sctp_socket); +#else +#if defined(__APPLE__) + /* socket is locked */ +#endif + sowwakeup(inp->sctp_socket); +#endif + } else { + SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); + } + } + if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { + inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; + SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); + if (soreadable(inp->sctp_socket)) { + sctp_defered_wakeup_cnt++; +#if defined(__Userspace__) + /*__Userspace__ calling sorwakup_locked because of SOCKBUF_LOCK above */ +#endif +#if defined(__FreeBSD__) || defined(_WIN32) || defined(__Userspace__) + sorwakeup_locked(inp->sctp_socket); +#else +#if defined(__APPLE__) + /* socket is locked */ +#endif + sorwakeup(inp->sctp_socket); +#endif + } else { + SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); + } + } + } + SCTP_INP_WUNLOCK(inp); + if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { + sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, + SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); + } else { + SCTP_TCB_UNLOCK(stcb); + } + switch (store.sa.sa_family) { +#ifdef INET + case AF_INET: + { + struct sockaddr_in *sin; + + SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); + if (sin == NULL) + return (ENOMEM); + sin->sin_family = AF_INET; +#ifdef HAVE_SIN_LEN + sin->sin_len = sizeof(*sin); +#endif + sin->sin_port = store.sin.sin_port; + sin->sin_addr = store.sin.sin_addr; + *addr = (struct sockaddr *)sin; + break; + } +#endif +#ifdef INET6 + case AF_INET6: + { + struct sockaddr_in6 *sin6; + + SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); + if (sin6 == NULL) + return (ENOMEM); + sin6->sin6_family = AF_INET6; +#ifdef HAVE_SIN6_LEN + sin6->sin6_len = sizeof(*sin6); +#endif + sin6->sin6_port = store.sin6.sin6_port; + sin6->sin6_addr = store.sin6.sin6_addr; +#if defined(SCTP_EMBEDDED_V6_SCOPE) +#ifdef SCTP_KAME + if ((error = sa6_recoverscope(sin6)) != 0) { + SCTP_FREE_SONAME(sin6); + return (error); + } +#else + if (IN6_IS_SCOPE_LINKLOCAL(&sin6->sin6_addr)) + /* + * sin6->sin6_scope_id = + * ntohs(sin6->sin6_addr.s6_addr16[1]); + */ + in6_recoverscope(sin6, &sin6->sin6_addr, NULL); /* skip ifp check */ + else + sin6->sin6_scope_id = 0; /* XXX */ +#endif /* SCTP_KAME */ +#endif /* SCTP_EMBEDDED_V6_SCOPE */ + *addr = (struct sockaddr *)sin6; + break; + } +#endif +#if defined(__Userspace__) + case AF_CONN: + { + struct sockaddr_conn *sconn; + + SCTP_MALLOC_SONAME(sconn, struct sockaddr_conn *, sizeof(struct sockaddr_conn)); + if (sconn == NULL) { + return (ENOMEM); + } + sconn->sconn_family = AF_CONN; +#ifdef HAVE_SCONN_LEN + sconn->sconn_len = sizeof(struct sockaddr_conn); +#endif + sconn->sconn_port = store.sconn.sconn_port; + sconn->sconn_addr = store.sconn.sconn_addr; + *addr = (struct sockaddr *)sconn; + break; + } +#endif + default: + /* TSNH */ + break; + } + return (0); +} + +#ifdef INET +int +#if !defined(__Userspace__) +sctp_ingetaddr(struct socket *so, struct sockaddr **addr) +{ + struct sockaddr_in *sin; +#else +sctp_ingetaddr(struct socket *so, struct mbuf *nam) +{ + struct sockaddr_in *sin = mtod(nam, struct sockaddr_in *); +#endif + uint32_t vrf_id; + struct sctp_inpcb *inp; + struct sctp_ifa *sctp_ifa; + + /* + * Do the malloc first in case it blocks. + */ +#if !defined(__Userspace__) + SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); + if (sin == NULL) + return (ENOMEM); +#else + SCTP_BUF_LEN(nam) = sizeof(*sin); + memset(sin, 0, sizeof(*sin)); +#endif + sin->sin_family = AF_INET; +#ifdef HAVE_SIN_LEN + sin->sin_len = sizeof(*sin); +#endif + inp = (struct sctp_inpcb *)so->so_pcb; + if (!inp) { +#if !defined(__Userspace__) + SCTP_FREE_SONAME(sin); +#endif + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + return (ECONNRESET); + } + SCTP_INP_RLOCK(inp); + sin->sin_port = inp->sctp_lport; + if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { + if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { + struct sctp_tcb *stcb; + struct sockaddr_in *sin_a; + struct sctp_nets *net; + int fnd; + + stcb = LIST_FIRST(&inp->sctp_asoc_list); + if (stcb == NULL) { + goto notConn; + } + fnd = 0; + sin_a = NULL; + SCTP_TCB_LOCK(stcb); + TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { + sin_a = (struct sockaddr_in *)&net->ro._l_addr; + if (sin_a == NULL) + /* this will make coverity happy */ + continue; + + if (sin_a->sin_family == AF_INET) { + fnd = 1; + break; + } + } + if ((!fnd) || (sin_a == NULL)) { + /* punt */ + SCTP_TCB_UNLOCK(stcb); + goto notConn; + } + + vrf_id = inp->def_vrf_id; + sctp_ifa = sctp_source_address_selection(inp, + stcb, + (sctp_route_t *)&net->ro, + net, 0, vrf_id); + if (sctp_ifa) { + sin->sin_addr = sctp_ifa->address.sin.sin_addr; + sctp_free_ifa(sctp_ifa); + } + SCTP_TCB_UNLOCK(stcb); + } else { + /* For the bound all case you get back 0 */ + notConn: + sin->sin_addr.s_addr = 0; + } + + } else { + /* Take the first IPv4 address in the list */ + struct sctp_laddr *laddr; + int fnd = 0; + + LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { + if (laddr->ifa->address.sa.sa_family == AF_INET) { + struct sockaddr_in *sin_a; + + sin_a = &laddr->ifa->address.sin; + sin->sin_addr = sin_a->sin_addr; + fnd = 1; + break; + } + } + if (!fnd) { +#if !defined(__Userspace__) + SCTP_FREE_SONAME(sin); +#endif + SCTP_INP_RUNLOCK(inp); + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); + return (ENOENT); + } + } + SCTP_INP_RUNLOCK(inp); +#if !defined(__Userspace__) + (*addr) = (struct sockaddr *)sin; +#endif + return (0); +} + +int +#if !defined(__Userspace__) +sctp_peeraddr(struct socket *so, struct sockaddr **addr) +{ + struct sockaddr_in *sin; +#else +sctp_peeraddr(struct socket *so, struct mbuf *nam) +{ + struct sockaddr_in *sin = mtod(nam, struct sockaddr_in *); + +#endif + int fnd; + struct sockaddr_in *sin_a; + struct sctp_inpcb *inp; + struct sctp_tcb *stcb; + struct sctp_nets *net; + + /* Do the malloc first in case it blocks. */ +#if !defined(__Userspace__) + SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); + if (sin == NULL) + return (ENOMEM); +#else + SCTP_BUF_LEN(nam) = sizeof(*sin); + memset(sin, 0, sizeof(*sin)); +#endif + sin->sin_family = AF_INET; +#ifdef HAVE_SIN_LEN + sin->sin_len = sizeof(*sin); +#endif + + inp = (struct sctp_inpcb *)so->so_pcb; + if ((inp == NULL) || + ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { + /* UDP type and listeners will drop out here */ +#if !defined(__Userspace__) + SCTP_FREE_SONAME(sin); +#endif + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); + return (ENOTCONN); + } + SCTP_INP_RLOCK(inp); + stcb = LIST_FIRST(&inp->sctp_asoc_list); + if (stcb) { + SCTP_TCB_LOCK(stcb); + } + SCTP_INP_RUNLOCK(inp); + if (stcb == NULL) { +#if !defined(__Userspace__) + SCTP_FREE_SONAME(sin); +#endif + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + return (ECONNRESET); + } + fnd = 0; + TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { + sin_a = (struct sockaddr_in *)&net->ro._l_addr; + if (sin_a->sin_family == AF_INET) { + fnd = 1; + sin->sin_port = stcb->rport; + sin->sin_addr = sin_a->sin_addr; + break; + } + } + SCTP_TCB_UNLOCK(stcb); + if (!fnd) { + /* No IPv4 address */ +#if !defined(__Userspace__) + SCTP_FREE_SONAME(sin); +#endif + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); + return (ENOENT); + } +#if !defined(__Userspace__) + (*addr) = (struct sockaddr *)sin; +#endif + return (0); +} + +#if !defined(__Userspace__) +#if defined(__FreeBSD__) +#define SCTP_PROTOSW \ + .pr_protocol = IPPROTO_SCTP, \ + .pr_ctloutput = sctp_ctloutput, \ + .pr_abort = sctp_abort, \ + .pr_accept = sctp_accept, \ + .pr_attach = sctp_attach, \ + .pr_bind = sctp_bind, \ + .pr_connect = sctp_connect, \ + .pr_control = in_control, \ + .pr_close = sctp_close, \ + .pr_detach = sctp_close, \ + .pr_sopoll = sopoll_generic, \ + .pr_flush = sctp_flush, \ + .pr_disconnect = sctp_disconnect, \ + .pr_listen = sctp_listen, \ + .pr_peeraddr = sctp_peeraddr, \ + .pr_send = sctp_sendm, \ + .pr_shutdown = sctp_shutdown, \ + .pr_sockaddr = sctp_ingetaddr, \ + .pr_sosend = sctp_sosend, \ + .pr_soreceive = sctp_soreceive \ + +struct protosw sctp_seqpacket_protosw = { + .pr_type = SOCK_SEQPACKET, + .pr_flags = PR_WANTRCVD, + SCTP_PROTOSW +}; + +struct protosw sctp_stream_protosw = { + .pr_type = SOCK_STREAM, + .pr_flags = PR_CONNREQUIRED | PR_WANTRCVD, + SCTP_PROTOSW +}; +#else +struct pr_usrreqs sctp_usrreqs = { +#if defined(__APPLE__) + .pru_abort = sctp_abort, + .pru_accept = sctp_accept, + .pru_attach = sctp_attach, + .pru_bind = sctp_bind, + .pru_connect = sctp_connect, + .pru_connect2 = pru_connect2_notsupp, + .pru_control = in_control, + .pru_detach = sctp_detach, + .pru_disconnect = sctp_disconnect, + .pru_listen = sctp_listen, + .pru_peeraddr = sctp_peeraddr, + .pru_rcvd = NULL, + .pru_rcvoob = pru_rcvoob_notsupp, + .pru_send = sctp_sendm, + .pru_sense = pru_sense_null, + .pru_shutdown = sctp_shutdown, + .pru_sockaddr = sctp_ingetaddr, + .pru_sosend = sctp_sosend, + .pru_soreceive = sctp_soreceive, + .pru_sopoll = sopoll +#elif defined(_WIN32) && !defined(__Userspace__) + sctp_abort, + sctp_accept, + sctp_attach, + sctp_bind, + sctp_connect, + pru_connect2_notsupp, + NULL, + NULL, + sctp_disconnect, + sctp_listen, + sctp_peeraddr, + NULL, + pru_rcvoob_notsupp, + NULL, + pru_sense_null, + sctp_shutdown, + sctp_flush, + sctp_ingetaddr, + sctp_sosend, + sctp_soreceive, + sopoll_generic, + NULL, + sctp_close +#endif +}; +#endif +#endif +#endif + +#if defined(__Userspace__) +int +register_recv_cb(struct socket *so, + int (*receive_cb)(struct socket *sock, union sctp_sockstore addr, void *data, + size_t datalen, struct sctp_rcvinfo, int flags, void *ulp_info)) +{ + struct sctp_inpcb *inp; + + inp = (struct sctp_inpcb *) so->so_pcb; + if (inp == NULL) { + return (0); + } + SCTP_INP_WLOCK(inp); + inp->recv_callback = receive_cb; + SCTP_INP_WUNLOCK(inp); + return (1); +} + +int +register_send_cb(struct socket *so, uint32_t sb_threshold, int (*send_cb)(struct socket *sock, uint32_t sb_free, void *ulp_info)) +{ + struct sctp_inpcb *inp; + + inp = (struct sctp_inpcb *) so->so_pcb; + if (inp == NULL) { + return (0); + } + SCTP_INP_WLOCK(inp); + inp->send_callback = send_cb; + inp->send_sb_threshold = sb_threshold; + SCTP_INP_WUNLOCK(inp); + /* FIXME change to current amount free. This will be the full buffer + * the first time this is registered but it could be only a portion + * of the send buffer if this is called a second time e.g. if the + * threshold changes. + */ + return (1); +} + +int +register_ulp_info (struct socket *so, void *ulp_info) +{ + struct sctp_inpcb *inp; + + inp = (struct sctp_inpcb *) so->so_pcb; + if (inp == NULL) { + return (0); + } + SCTP_INP_WLOCK(inp); + inp->ulp_info = ulp_info; + SCTP_INP_WUNLOCK(inp); + return (1); +} + +int +retrieve_ulp_info (struct socket *so, void **pulp_info) +{ + struct sctp_inpcb *inp; + + if (pulp_info == NULL) { + return (0); + } + + inp = (struct sctp_inpcb *) so->so_pcb; + if (inp == NULL) { + return (0); + } + SCTP_INP_RLOCK(inp); + *pulp_info = inp->ulp_info; + SCTP_INP_RUNLOCK(inp); + return (1); +} +#endif |