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Diffstat (limited to 'netwerk/sctp/src/netinet/sctp_usrreq.c')
-rwxr-xr-xnetwerk/sctp/src/netinet/sctp_usrreq.c8845
1 files changed, 8845 insertions, 0 deletions
diff --git a/netwerk/sctp/src/netinet/sctp_usrreq.c b/netwerk/sctp/src/netinet/sctp_usrreq.c
new file mode 100755
index 000000000..d24a21815
--- /dev/null
+++ b/netwerk/sctp/src/netinet/sctp_usrreq.c
@@ -0,0 +1,8845 @@
+/*-
+ * 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.
+ */
+
+#ifdef __FreeBSD__
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD: head/sys/netinet/sctp_usrreq.c 280459 2015-03-24 21:12:45Z tuexen $");
+#endif
+
+#include <netinet/sctp_os.h>
+#ifdef __FreeBSD__
+#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(HAVE_SCTP_PEELOFF_SOCKOPT)
+#include <netinet/sctp_peeloff.h>
+#endif /* HAVE_SCTP_PEELOFF_SOCKOPT */
+
+#if defined(__APPLE__)
+#define APPLE_FILE_NO 7
+#endif
+
+extern struct sctp_cc_functions sctp_cc_functions[];
+extern struct sctp_ss_functions sctp_ss_functions[];
+
+void
+#if defined(__Userspace__)
+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, ...))
+#elif defined(__APPLE__) && (!defined(APPLE_LEOPARD) && !defined(APPLE_SNOWLEOPARD) &&!defined(APPLE_LION) && !defined(APPLE_MOUNTAINLION))
+sctp_init(struct protosw *pp SCTP_UNUSED, struct domain *dp SCTP_UNUSED)
+#else
+sctp_init(void)
+#endif
+{
+#if !defined(__Panda__) && !defined(__Userspace__)
+ u_long sb_max_adj;
+
+#endif
+#if defined(__Userspace__)
+#if defined(__Userspace_os_Windows)
+#if defined(INET) || defined(INET6)
+ WSADATA wsaData;
+
+ if (WSAStartup(MAKEWORD(2,2), &wsaData) != 0) {
+ SCTP_PRINTF("WSAStartup failed\n");
+ exit (-1);
+ }
+#endif
+ InitializeConditionVariable(&accept_cond);
+ InitializeCriticalSection(&accept_mtx);
+#else
+ pthread_cond_init(&accept_cond, NULL);
+ pthread_mutex_init(&accept_mtx, NULL);
+#endif
+#endif
+ /* Initialize and modify the sysctled variables */
+ sctp_init_sysctls();
+#if defined(__Userspace__)
+#if defined(__Userspace_os_Windows) || defined(__Userspace_os_NaCl)
+ srand((unsigned int)time(NULL));
+#else
+ srandom(getpid()); /* so inp->sctp_ep.random_numbers are truly random... */
+#endif
+#endif
+#if defined(__Panda__)
+ sctp_sendspace = SB_MAX;
+ sctp_recvspace = SB_MAX;
+
+#elif defined(__Userspace__)
+ SCTP_BASE_SYSCTL(sctp_sendspace) = SB_MAX;
+ SCTP_BASE_SYSCTL(sctp_recvspace) = SB_RAW;
+ SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = port;
+#else
+#if !defined(__APPLE__)
+ if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE)
+ SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8);
+#endif
+ /*
+ * 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.
+ */
+#if defined(__APPLE__)
+ sb_max_adj = (u_long)((u_quad_t) (sb_max) * MCLBYTES / (MSIZE + MCLBYTES));
+#else
+ sb_max_adj = (u_long)((u_quad_t) (SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES));
+#endif
+#if defined(__APPLE__)
+ SCTP_BASE_SYSCTL(sctp_sendspace) = sb_max_adj;
+#else
+ SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj,
+ (((uint32_t)nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT));
+#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(__Userspace_os_Windows)
+#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;
+#endif
+ sctp_pcb_init();
+#if defined(__Userspace__)
+ sctp_start_timer();
+#endif
+#if defined(SCTP_PACKET_LOGGING)
+ SCTP_BASE_VAR(packet_log_writers) = 0;
+ SCTP_BASE_VAR(packet_log_end) = 0;
+ bzero(&SCTP_BASE_VAR(packet_log_buffer), SCTP_PACKET_LOG_SIZE);
+#endif
+#if defined(__APPLE__)
+ SCTP_BASE_VAR(sctp_main_timer_ticks) = 0;
+ sctp_start_main_timer();
+ timeout(sctp_delayed_startup, NULL, 1);
+#endif
+}
+
+void
+sctp_finish(void)
+{
+#if defined(__APPLE__)
+ 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
+#if !defined(__Userspace_os_Windows)
+#if defined(INET) || defined(INET6)
+ if (SCTP_BASE_VAR(userspace_route) != -1) {
+ pthread_join(SCTP_BASE_VAR(recvthreadroute), NULL);
+ }
+#endif
+#endif
+#ifdef INET
+ if (SCTP_BASE_VAR(userspace_rawsctp) != -1) {
+#if defined(__Userspace_os_Windows)
+ WaitForSingleObject(SCTP_BASE_VAR(recvthreadraw), INFINITE);
+ CloseHandle(SCTP_BASE_VAR(recvthreadraw));
+#else
+ pthread_join(SCTP_BASE_VAR(recvthreadraw), NULL);
+#endif
+ }
+ if (SCTP_BASE_VAR(userspace_udpsctp) != -1) {
+#if defined(__Userspace_os_Windows)
+ WaitForSingleObject(SCTP_BASE_VAR(recvthreadudp), INFINITE);
+ CloseHandle(SCTP_BASE_VAR(recvthreadudp));
+#else
+ pthread_join(SCTP_BASE_VAR(recvthreadudp), NULL);
+#endif
+ }
+#endif
+#ifdef INET6
+ if (SCTP_BASE_VAR(userspace_rawsctp6) != -1) {
+#if defined(__Userspace_os_Windows)
+ WaitForSingleObject(SCTP_BASE_VAR(recvthreadraw6), INFINITE);
+ CloseHandle(SCTP_BASE_VAR(recvthreadraw6));
+#else
+ pthread_join(SCTP_BASE_VAR(recvthreadraw6), NULL);
+#endif
+ }
+ if (SCTP_BASE_VAR(userspace_udpsctp6) != -1) {
+#if defined(__Userspace_os_Windows)
+ WaitForSingleObject(SCTP_BASE_VAR(recvthreadudp6), INFINITE);
+ CloseHandle(SCTP_BASE_VAR(recvthreadudp6));
+#else
+ pthread_join(SCTP_BASE_VAR(recvthreadudp6), NULL);
+#endif
+ }
+#endif
+ SCTP_BASE_VAR(timer_thread_should_exit) = 1;
+#if defined(__Userspace_os_Windows)
+ WaitForSingleObject(SCTP_BASE_VAR(timer_thread), INFINITE);
+ CloseHandle(SCTP_BASE_VAR(timer_thread));
+#else
+ pthread_join(SCTP_BASE_VAR(timer_thread), NULL);
+#endif
+#endif
+ sctp_pcb_finish();
+#if defined(__Userspace__)
+#if defined(__Userspace_os_Windows)
+ DeleteConditionVariable(&accept_cond);
+ DeleteCriticalSection(&accept_mtx);
+#else
+ pthread_cond_destroy(&accept_cond);
+ pthread_mutex_destroy(&accept_mtx);
+#endif
+#endif
+#if defined(__Windows__)
+ sctp_finish_sysctls();
+#if defined(INET) || defined(INET6)
+ WSACleanup();
+#endif
+#endif
+}
+
+
+
+void
+sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz)
+{
+ struct sctp_tmit_chunk *chk;
+ uint16_t overhead;
+
+ /* Adjust that too */
+ stcb->asoc.smallest_mtu = nxtsz;
+ /* now off to subtract IP_DF flag if needed */
+ overhead = IP_HDR_SIZE;
+ if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) {
+ overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id);
+ }
+ TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) {
+ if ((chk->send_size + overhead) > nxtsz) {
+ chk->flags |= CHUNK_FLAGS_FRAGMENT_OK;
+ }
+ }
+ TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) {
+ if ((chk->send_size + overhead) > nxtsz) {
+ /*
+ * For this guy we also mark for immediate resend
+ * since we sent to big of chunk
+ */
+ chk->flags |= CHUNK_FLAGS_FRAGMENT_OK;
+ if (chk->sent < SCTP_DATAGRAM_RESEND) {
+ sctp_flight_size_decrease(chk);
+ sctp_total_flight_decrease(stcb, chk);
+ chk->sent = SCTP_DATAGRAM_RESEND;
+ sctp_ucount_incr(stcb->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,
+ (uintptr_t)chk->whoTo,
+ chk->rec.data.TSN_seq);
+ }
+ /* Clear any time so NO RTT is being done */
+ chk->do_rtt = 0;
+ }
+ }
+ }
+}
+
+#ifdef INET
+#if !defined(__Userspace__)
+#if defined(__Panda__) || defined(__Windows__)
+void
+#else
+static void
+#endif
+sctp_notify_mbuf(struct sctp_inpcb *inp,
+ struct sctp_tcb *stcb,
+ struct sctp_nets *net,
+ struct ip *ip,
+ struct sctphdr *sh)
+{
+ struct icmp *icmph;
+ int totsz, tmr_stopped = 0;
+ uint16_t nxtsz;
+
+ /* protection */
+ if ((inp == NULL) || (stcb == NULL) || (net == NULL) ||
+ (ip == NULL) || (sh == NULL)) {
+ if (stcb != NULL) {
+ SCTP_TCB_UNLOCK(stcb);
+ }
+ return;
+ }
+ /* First job is to verify the vtag matches what I would send */
+ if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) {
+ SCTP_TCB_UNLOCK(stcb);
+ return;
+ }
+ icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) -
+ sizeof(struct ip)));
+ if (icmph->icmp_type != ICMP_UNREACH) {
+ /* We only care about unreachable */
+ SCTP_TCB_UNLOCK(stcb);
+ return;
+ }
+ if (icmph->icmp_code != ICMP_UNREACH_NEEDFRAG) {
+ /* not a unreachable message due to frag. */
+ SCTP_TCB_UNLOCK(stcb);
+ return;
+ }
+#if defined(__FreeBSD__) && __FreeBSD_version >= 1000000
+ totsz = ntohs(ip->ip_len);
+#else
+ totsz = ip->ip_len;
+#endif
+
+ nxtsz = ntohs(icmph->icmp_nextmtu);
+ if (nxtsz == 0) {
+ /*
+ * old type router that does not tell us what the next size
+ * mtu is. Rats we will have to guess (in a educated fashion
+ * of course)
+ */
+ nxtsz = sctp_get_prev_mtu(totsz);
+ }
+ /* Stop any PMTU timer */
+ if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
+ tmr_stopped = 1;
+ sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net,
+ SCTP_FROM_SCTP_USRREQ+SCTP_LOC_1);
+ }
+ /* Adjust destination size limit */
+ if (net->mtu > nxtsz) {
+ net->mtu = nxtsz;
+ if (net->port) {
+ net->mtu -= sizeof(struct udphdr);
+ }
+ }
+ /* now what about the ep? */
+ if (stcb->asoc.smallest_mtu > nxtsz) {
+ sctp_pathmtu_adjustment(stcb, nxtsz);
+ }
+ if (tmr_stopped)
+ sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
+
+ SCTP_TCB_UNLOCK(stcb);
+}
+
+void
+sctp_notify(struct sctp_inpcb *inp,
+ struct ip *ip,
+ struct sctphdr *sh,
+ struct sockaddr *to,
+ struct sctp_tcb *stcb,
+ struct sctp_nets *net)
+{
+#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
+ struct socket *so;
+
+#endif
+ struct icmp *icmph;
+
+ /* protection */
+ if ((inp == NULL) || (stcb == NULL) || (net == NULL) ||
+ (sh == NULL) || (to == NULL)) {
+ if (stcb)
+ SCTP_TCB_UNLOCK(stcb);
+ return;
+ }
+ /* First job is to verify the vtag matches what I would send */
+ if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) {
+ SCTP_TCB_UNLOCK(stcb);
+ return;
+ }
+
+ icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) -
+ sizeof(struct ip)));
+ if (icmph->icmp_type != ICMP_UNREACH) {
+ /* We only care about unreachable */
+ SCTP_TCB_UNLOCK(stcb);
+ return;
+ }
+ if ((icmph->icmp_code == ICMP_UNREACH_NET) ||
+ (icmph->icmp_code == ICMP_UNREACH_HOST) ||
+ (icmph->icmp_code == ICMP_UNREACH_NET_UNKNOWN) ||
+ (icmph->icmp_code == ICMP_UNREACH_HOST_UNKNOWN) ||
+ (icmph->icmp_code == ICMP_UNREACH_ISOLATED) ||
+ (icmph->icmp_code == ICMP_UNREACH_NET_PROHIB) ||
+ (icmph->icmp_code == ICMP_UNREACH_HOST_PROHIB) ||
+#if defined(__Panda__)
+ (icmph->icmp_code == ICMP_UNREACH_ADMIN)) {
+#elif defined(__Userspace_os_NetBSD)
+ (icmph->icmp_code == ICMP_UNREACH_ADMIN_PROHIBIT)) {
+#else
+ (icmph->icmp_code == ICMP_UNREACH_FILTER_PROHIB)) {
+#endif
+
+ /*
+ * Hmm reachablity problems we must examine closely. If its
+ * not reachable, we may have lost a network. Or if there is
+ * NO protocol at the other end named SCTP. well we consider
+ * it a OOTB abort.
+ */
+ 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 ((icmph->icmp_code == ICMP_UNREACH_PROTOCOL) ||
+ (icmph->icmp_code == ICMP_UNREACH_PORT)) {
+ /*
+ * Here the peer is either playing tricks on us,
+ * including an address that belongs to someone who
+ * does not support SCTP OR was a userland
+ * implementation that shutdown and now is dead. In
+ * either case treat it like a OOTB abort with no
+ * TCB
+ */
+ sctp_abort_notification(stcb, 1, 0, NULL, SCTP_SO_NOT_LOCKED);
+#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
+ 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(SCTP_SO_LOCK_TESTING)
+ 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 {
+ SCTP_TCB_UNLOCK(stcb);
+ }
+}
+#endif
+#endif
+
+#ifdef INET
+#if !defined(__Panda__) && !defined(__Userspace__)
+#if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
+void
+#else
+void *
+#endif
+sctp_ctlinput(cmd, sa, vip)
+ int cmd;
+ struct sockaddr *sa;
+ void *vip;
+{
+ struct ip *ip = vip;
+ struct sctphdr *sh;
+ uint32_t vrf_id;
+ /* FIX, for non-bsd is this right? */
+ vrf_id = SCTP_DEFAULT_VRFID;
+ if (sa->sa_family != AF_INET ||
+ ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) {
+#if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
+ return;
+#else
+ return (NULL);
+#endif
+ }
+ if (PRC_IS_REDIRECT(cmd)) {
+ ip = 0;
+ } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) {
+#if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
+ return;
+#else
+ return (NULL);
+#endif
+ }
+ if (ip) {
+ struct sctp_inpcb *inp = NULL;
+ struct sctp_tcb *stcb = NULL;
+ struct sctp_nets *net = NULL;
+ struct sockaddr_in to, from;
+
+ sh = (struct sctphdr *)((caddr_t)ip + (ip->ip_hl << 2));
+ bzero(&to, sizeof(to));
+ bzero(&from, sizeof(from));
+ from.sin_family = to.sin_family = AF_INET;
+#ifdef HAVE_SIN_LEN
+ from.sin_len = to.sin_len = sizeof(to);
+#endif
+ from.sin_port = sh->src_port;
+ from.sin_addr = ip->ip_src;
+ to.sin_port = sh->dest_port;
+ to.sin_addr = ip->ip_dst;
+
+ /*
+ * 'to' holds the dest of the packet that failed to be sent.
+ * 'from' holds our local endpoint address. Thus we reverse
+ * the to and the from in the lookup.
+ */
+ stcb = sctp_findassociation_addr_sa((struct sockaddr *)&to,
+ (struct sockaddr *)&from,
+ &inp, &net, 1, vrf_id);
+ if (stcb != NULL && inp && (inp->sctp_socket != NULL)) {
+ if (cmd != PRC_MSGSIZE) {
+ sctp_notify(inp, ip, sh,
+ (struct sockaddr *)&to, stcb,
+ net);
+ } else {
+ /* handle possible ICMP size messages */
+ sctp_notify_mbuf(inp, stcb, net, ip, sh);
+ }
+ } else {
+#if defined(__FreeBSD__) && __FreeBSD_version < 500000
+ /*
+ * XXX must be fixed for 5.x and higher, leave for
+ * 4.x
+ */
+ if (PRC_IS_REDIRECT(cmd) && inp) {
+ in_rtchange((struct inpcb *)inp,
+ inetctlerrmap[cmd]);
+ }
+#endif
+ 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);
+ }
+ }
+ }
+#if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
+ return;
+#else
+ return (NULL);
+#endif
+}
+#endif
+#endif
+
+#if defined(__FreeBSD__)
+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;
+
+#if __FreeBSD_version > 602000
+ error = priv_check(req->td, PRIV_NETINET_GETCRED);
+
+#elif __FreeBSD_version >= 500000
+ error = suser(req->td);
+#else
+ error = suser(req->p);
+#endif
+ 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,
+ 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection");
+#endif /* #if defined(__FreeBSD__) */
+
+
+#ifdef INET
+#if defined(__Panda__) || defined(__Windows__) || defined(__Userspace__)
+int
+#elif defined(__FreeBSD__) && __FreeBSD_version > 690000
+static void
+#else
+static int
+#endif
+sctp_abort(struct socket *so)
+{
+ struct sctp_inpcb *inp;
+ uint32_t flags;
+
+ inp = (struct sctp_inpcb *)so->so_pcb;
+ if (inp == NULL) {
+#if defined(__FreeBSD__) && __FreeBSD_version > 690000
+ return;
+#else
+ SCTP_LTRACE_ERR_RET(NULL, 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)))) {
+#ifdef SCTP_LOG_CLOSING
+ sctp_log_closing(inp, NULL, 16);
+#endif
+ sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT,
+ SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
+ SOCK_LOCK(so);
+ 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__)
+ so->so_usecount--;
+#else
+ /* Now null out the reference, we are completely detached. */
+ so->so_pcb = NULL;
+#endif
+ SOCK_UNLOCK(so);
+ } else {
+ flags = inp->sctp_flags;
+ if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) {
+ goto sctp_must_try_again;
+ }
+ }
+#if defined(__FreeBSD__) && __FreeBSD_version > 690000
+ return;
+#else
+ return (0);
+#endif
+}
+
+#if defined(__Panda__) || defined(__Userspace__)
+int
+#else
+static int
+#endif
+#if defined(__FreeBSD__) && __FreeBSD_version >= 500000
+sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED)
+#elif defined(__Panda__) || defined(__Userspace__)
+sctp_attach(struct socket *so, int proto SCTP_UNUSED, uint32_t vrf_id)
+#elif defined(__Windows__)
+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(__Panda__) && !defined(__Userspace__)
+ uint32_t vrf_id = SCTP_DEFAULT_VRFID;
+#endif
+#ifdef IPSEC
+ uint32_t flags;
+#endif
+
+ inp = (struct sctp_inpcb *)so->so_pcb;
+ if (inp != 0) {
+ 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);
+#ifdef IPSEC
+#if !(defined(__APPLE__))
+ error = ipsec_init_policy(so, &ip_inp->inp_sp);
+#ifdef SCTP_LOG_CLOSING
+ sctp_log_closing(inp, NULL, 17);
+#endif
+ if (error != 0) {
+ try_again:
+ flags = inp->sctp_flags;
+ 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)))) {
+#ifdef SCTP_LOG_CLOSING
+ sctp_log_closing(inp, NULL, 15);
+#endif
+ SCTP_INP_WUNLOCK(inp);
+ sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT,
+ SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
+ } else {
+ flags = inp->sctp_flags;
+ if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) {
+ goto try_again;
+ } else {
+ SCTP_INP_WUNLOCK(inp);
+ }
+ }
+ return (error);
+ }
+#endif
+#endif /* IPSEC */
+ SCTP_INP_WUNLOCK(inp);
+ return (0);
+}
+
+#if defined(__FreeBSD__) && __FreeBSD_version >= 500000
+static int
+sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p)
+{
+#elif defined(__FreeBSD__) || defined(__APPLE__)
+static int
+sctp_bind(struct socket *so, struct sockaddr *addr, struct proc *p) {
+#elif defined(__Panda__) || defined(__Userspace__)
+int
+sctp_bind(struct socket *so, struct sockaddr *addr) {
+ void *p = NULL;
+#elif defined(__Windows__)
+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__) && __FreeBSD_version > 690000) || defined(__Windows__) || defined(__Userspace__)
+void
+sctp_close(struct socket *so)
+{
+ struct sctp_inpcb *inp;
+ uint32_t flags;
+
+ inp = (struct sctp_inpcb *)so->so_pcb;
+ if (inp == NULL)
+ return;
+
+ /* Inform all the lower layer assoc that we
+ * are done.
+ */
+ 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)) ||
+ (so->so_rcv.sb_cc > 0)) {
+#else
+ if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) ||
+ (so->so_rcv.sb_cc > 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, 14);
+#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.
+ */
+ SOCK_LOCK(so);
+ 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__)
+ /* Now null out the reference, we are completely detached. */
+ so->so_pcb = NULL;
+#endif
+ SOCK_UNLOCK(so);
+ } else {
+ flags = inp->sctp_flags;
+ if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) {
+ goto sctp_must_try_again;
+ }
+ }
+ return;
+}
+
+#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__) && __FreeBSD_version > 690000
+ 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)) ||
+ (so->so_rcv.sb_cc > 0)) {
+#else
+ if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) ||
+ (so->so_rcv.sb_cc > 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__)
+ /* 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__) && __FreeBSD_version > 690000
+ return;
+#else
+ return (0);
+#endif
+}
+#endif
+
+#if defined(__Userspace__)
+/* __Userspace__ is not calling sctp_sendm */
+#endif
+#if !(defined(__Panda__) || defined(__Windows__))
+int
+#if defined(__FreeBSD__) && __FreeBSD_version >= 500000
+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__) && __FreeBSD_version >= 500000
+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;
+ } else if (addr == NULL) {
+ SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ);
+ error = EDESTADDRREQ;
+ sctp_m_freem(m);
+ if (control) {
+ sctp_m_freem(control);
+ control = NULL;
+ }
+ return (error);
+ }
+#ifdef INET6
+ if (addr->sa_family != AF_INET) {
+ /* must be a v4 address! */
+ SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ);
+ sctp_m_freem(m);
+ if (control) {
+ sctp_m_freem(control);
+ control = NULL;
+ }
+ error = EDESTADDRREQ;
+ return (error);
+ }
+#endif /* INET6 */
+connected_type:
+ /* now what about control */
+ if (control) {
+ if (inp->control) {
+ SCTP_PRINTF("huh? control set?\n");
+ 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__)
+ /* 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.
+ */
+ int ret;
+
+ ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags);
+ 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 {
+ 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(__Userspace__)
+ if (((so->so_options & SCTP_SO_LINGER) &&
+ (so->so_linger == 0)) ||
+ (so->so_rcv.sb_cc > 0)) {
+#else
+ if (((so->so_options & SO_LINGER) &&
+ (so->so_linger == 0)) ||
+ (so->so_rcv.sb_cc > 0)) {
+#endif
+ if (SCTP_GET_STATE(asoc) !=
+ SCTP_STATE_COOKIE_WAIT) {
+ /* Left with Data unread */
+ struct mbuf *err;
+
+ err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_NOWAIT, 1, MT_DATA);
+ if (err) {
+ /*
+ * Fill in the user
+ * initiated abort
+ */
+ struct sctp_paramhdr *ph;
+
+ ph = mtod(err, struct sctp_paramhdr *);
+ SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr);
+ ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT);
+ ph->param_length = htons(SCTP_BUF_LEN(err));
+ }
+ sctp_send_abort_tcb(stcb, err, SCTP_SO_LOCKED);
+ SCTP_STAT_INCR_COUNTER32(sctps_aborted);
+ }
+ SCTP_INP_RUNLOCK(inp);
+ if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) ||
+ (SCTP_GET_STATE(&stcb->asoc) == 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 */
+ 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->locked_on_sending) {
+ goto abort_anyway;
+ }
+ if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) &&
+ (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) {
+ /* only send SHUTDOWN 1st time thru */
+ struct sctp_nets *netp;
+
+ if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) ||
+ (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
+ SCTP_STAT_DECR_GAUGE32(sctps_currestab);
+ }
+ SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT);
+ SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING);
+ 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, netp);
+ 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
+ */
+ struct sctp_nets *netp;
+ if (stcb->asoc.alternate) {
+ netp = stcb->asoc.alternate;
+ } else {
+ netp = stcb->asoc.primary_destination;
+ }
+
+ asoc->state |= SCTP_STATE_SHUTDOWN_PENDING;
+ sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb,
+ netp);
+ if (asoc->locked_on_sending) {
+ /* Locked to send out the data */
+ struct sctp_stream_queue_pending *sp;
+ sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead);
+ if (sp == NULL) {
+ SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n",
+ asoc->locked_on_sending->stream_no);
+ } else {
+ if ((sp->length == 0) && (sp->msg_is_complete == 0))
+ asoc->state |= 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->asoc) == SCTP_STATE_OPEN) ||
+ (SCTP_GET_STATE(&stcb->asoc) == 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);
+ return (0);
+ } else {
+ sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED);
+ }
+ }
+ soisdisconnecting(so);
+ 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(__Windows__) || 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);
+ so->so_rcv.sb_cc = 0;
+ so->so_rcv.sb_mbcnt = 0;
+ so->so_rcv.sb_mb = NULL;
+ }
+ 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
+ */
+ so->so_snd.sb_cc = 0;
+ so->so_snd.sb_mbcnt = 0;
+ so->so_snd.sb_mb = NULL;
+
+ }
+ 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__) && __FreeBSD_version >= 502115) || defined(__Windows__)
+ SOCKBUF_LOCK(&so->so_rcv);
+ so->so_rcv.sb_state &= ~SBS_CANTRCVMORE;
+ SOCKBUF_UNLOCK(&so->so_rcv);
+#else
+ so->so_state &= ~SS_CANTRCVMORE;
+#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);
+ }
+ /*
+ * 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.
+ */
+ {
+ struct sctp_tcb *stcb;
+ struct sctp_association *asoc;
+
+ 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 (TAILQ_EMPTY(&asoc->send_queue) &&
+ TAILQ_EMPTY(&asoc->sent_queue) &&
+ (asoc->stream_queue_cnt == 0)) {
+ if (asoc->locked_on_sending) {
+ goto abort_anyway;
+ }
+ /* there is nothing queued to send, so I'm done... */
+ if (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) {
+ /* only send SHUTDOWN the first time through */
+ struct sctp_nets *netp;
+
+ if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) ||
+ (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
+ SCTP_STAT_DECR_GAUGE32(sctps_currestab);
+ }
+ SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT);
+ SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING);
+ 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, netp);
+ 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
+ */
+ struct sctp_nets *netp;
+ if (stcb->asoc.alternate) {
+ netp = stcb->asoc.alternate;
+ } else {
+ netp = stcb->asoc.primary_destination;
+ }
+
+ asoc->state |= SCTP_STATE_SHUTDOWN_PENDING;
+ sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb,
+ netp);
+
+ if (asoc->locked_on_sending) {
+ /* Locked to send out the data */
+ struct sctp_stream_queue_pending *sp;
+ sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead);
+ if (sp == NULL) {
+ SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n",
+ asoc->locked_on_sending->stream_no);
+ } else {
+ if ((sp->length == 0) && (sp-> msg_is_complete == 0)) {
+ asoc->state |= 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_abort_an_association(stcb->sctp_ep, stcb,
+ op_err, SCTP_SO_LOCKED);
+ goto skip_unlock;
+ } else {
+ sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED);
+ }
+ }
+ SCTP_TCB_UNLOCK(stcb);
+ }
+ skip_unlock:
+ SCTP_INP_RUNLOCK(inp);
+ 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_storage *ss, struct sockaddr *sa)
+{
+#ifdef INET6
+#if defined(SCTP_EMBEDDED_V6_SCOPE)
+ struct sockaddr_in6 lsa6;
+
+ sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa,
+ &lsa6);
+#endif
+#endif
+#ifdef HAVE_SA_LEN
+ memcpy(ss, sa, sa->sa_len);
+#else
+ switch (sa->sa_family) {
+#ifdef INET
+ case AF_INET:
+ memcpy(ss, sa, sizeof(struct sockaddr_in));
+ break;
+#endif
+#ifdef INET6
+ case AF_INET6:
+ memcpy(ss, sa, sizeof(struct sockaddr_in6));
+ break;
+#endif
+#if defined(__Userspace__)
+ case AF_CONN:
+ memcpy(ss, sa, sizeof(struct sockaddr_conn));
+ break;
+#endif
+ default:
+ /* TSNH */
+ break;
+ }
+#endif
+ return (0);
+}
+
+
+
+/*
+ * NOTE: assumes addr lock is held
+ */
+static size_t
+sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp,
+ struct sctp_tcb *stcb,
+ size_t limit,
+ struct sockaddr_storage *sas,
+ 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;
+
+ 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 unspecifed
+ * addresses
+ */
+ continue;
+ }
+#if defined(__FreeBSD__)
+ 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)) {
+ in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas);
+ ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport;
+ sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6));
+ actual += sizeof(struct sockaddr_in6);
+ } else {
+#endif
+ memcpy(sas, sin, sizeof(*sin));
+ ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport;
+ sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin));
+ actual += sizeof(*sin);
+#ifdef INET6
+ }
+#endif
+ if (actual >= limit) {
+ return (actual);
+ }
+ } 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 unspecifed
+ * addresses
+ */
+ continue;
+ }
+#if defined(__FreeBSD__)
+ 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;
+ }
+ memcpy(sas, sin6, sizeof(*sin6));
+ ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport;
+ sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6));
+ actual += sizeof(*sin6);
+ if (actual >= limit) {
+ return (actual);
+ }
+ } else {
+ continue;
+ }
+ break;
+#endif
+#if defined(__Userspace__)
+ case AF_CONN:
+ if (conn_addr_legal) {
+ memcpy(sas, &sctp_ifa->address.sconn, sizeof(struct sockaddr_conn));
+ ((struct sockaddr_conn *)sas)->sconn_port = inp->sctp_lport;
+ sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_conn));
+ actual += sizeof(struct sockaddr_conn);
+ if (actual >= limit) {
+ return (actual);
+ }
+ } else {
+ continue;
+ }
+#endif
+ default:
+ /* TSNH */
+ break;
+ }
+ }
+ }
+ } else {
+ struct sctp_laddr *laddr;
+#ifndef HAVE_SA_LEN
+ uint32_t sa_len = 0;
+#endif
+
+ LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
+ if (stcb) {
+ if (sctp_is_addr_restricted(stcb, laddr->ifa)) {
+ continue;
+ }
+ }
+ if (sctp_fill_user_address(sas, &laddr->ifa->address.sa))
+ continue;
+ switch (laddr->ifa->address.sa.sa_family) {
+#ifdef INET
+ case AF_INET:
+ ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport;
+ break;
+#endif
+#ifdef INET6
+ case AF_INET6:
+ ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport;
+ break;
+#endif
+#if defined(__Userspace__)
+ case AF_CONN:
+ ((struct sockaddr_conn *)sas)->sconn_port = inp->sctp_lport;
+ break;
+#endif
+ default:
+ /* TSNH */
+ break;
+ }
+#ifdef HAVE_SA_LEN
+ sas = (struct sockaddr_storage *)((caddr_t)sas +
+ laddr->ifa->address.sa.sa_len);
+ actual += 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 */
+ break;
+ }
+ sas = (struct sockaddr_storage *)((caddr_t)sas + sa_len);
+ actual += sa_len;
+#endif
+ if (actual >= limit) {
+ return (actual);
+ }
+ }
+ }
+ return (actual);
+}
+
+static size_t
+sctp_fill_up_addresses(struct sctp_inpcb *inp,
+ struct sctp_tcb *stcb,
+ size_t limit,
+ struct sockaddr_storage *sas)
+{
+ size_t size = 0;
+#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 */
+ for (id = 0; (id < inp->num_vrfs) && (size < limit); id++) {
+ size += sctp_fill_up_addresses_vrf(inp, stcb, limit, sas,
+ inp->m_vrf_ids[id]);
+ sas = (struct sockaddr_storage *)((caddr_t)sas + size);
+ }
+#else
+ /* fill up addresses for the endpoint's default vrf */
+ size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas,
+ inp->def_vrf_id);
+#endif
+ SCTP_IPI_ADDR_RUNLOCK();
+ return (size);
+}
+
+/*
+ * NOTE: assumes addr lock is held
+ */
+static int
+sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id)
+{
+ int cnt = 0;
+ struct sctp_vrf *vrf = NULL;
+
+ /*
+ * In both sub-set bound an bound_all cases we return 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.
+ */
+ vrf = sctp_find_vrf(vrf_id);
+ if (vrf == NULL) {
+ return (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))
+ cnt += sizeof(struct sockaddr_in6);
+ else
+ cnt += sizeof(struct sockaddr_in);
+#else
+ cnt += sizeof(struct sockaddr_in);
+#endif
+ break;
+#endif
+#ifdef INET6
+ case AF_INET6:
+ cnt += sizeof(struct sockaddr_in6);
+ break;
+#endif
+#if defined(__Userspace__)
+ case AF_CONN:
+ cnt += 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))
+ cnt += sizeof(struct sockaddr_in6);
+ else
+ cnt += sizeof(struct sockaddr_in);
+#else
+ cnt += sizeof(struct sockaddr_in);
+#endif
+ break;
+#endif
+#ifdef INET6
+ case AF_INET6:
+ cnt += sizeof(struct sockaddr_in6);
+ break;
+#endif
+#if defined(__Userspace__)
+ case AF_CONN:
+ cnt += sizeof(struct sockaddr_conn);
+ break;
+#endif
+ default:
+ break;
+ }
+ }
+ }
+ return (cnt);
+}
+
+static int
+sctp_count_max_addresses(struct sctp_inpcb *inp)
+{
+ int cnt = 0;
+#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.
+ */
+ /* count addresses for all VRFs on the endpoint */
+ for (id = 0; id < inp->num_vrfs; id++) {
+ cnt += sctp_count_max_addresses_vrf(inp, inp->m_vrf_ids[id]);
+ }
+#else
+ /* count addresses for the endpoint's default VRF */
+ cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id);
+#endif
+ SCTP_IPI_ADDR_RUNLOCK();
+ return (cnt);
+}
+
+static int
+sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval,
+ size_t optsize, void *p, int delay)
+{
+ int error = 0;
+ int creat_lock_on = 0;
+ struct sctp_tcb *stcb = NULL;
+ struct sockaddr *sa;
+ int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr;
+ uint32_t vrf_id;
+ int bad_addresses = 0;
+ 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 = (int *)optval;
+ totaddr = *totaddrp;
+ sa = (struct sockaddr *)(totaddrp + 1);
+ stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (optsize - sizeof(int)), &bad_addresses);
+ if ((stcb != NULL) || bad_addresses) {
+ /* Already have or am bring up an association */
+ SCTP_ASOC_CREATE_UNLOCK(inp);
+ creat_lock_on = 0;
+ if (stcb)
+ SCTP_TCB_UNLOCK(stcb);
+ if (bad_addresses == 0) {
+ SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
+ error = EALREADY;
+ }
+ 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)) {
+ struct in6pcb *inp6;
+
+ inp6 = (struct in6pcb *)inp;
+ if (SCTP_IPV6_V6ONLY(inp6)) {
+ /*
+ * 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) ==
+ 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(inp, sa, &error, 0, vrf_id,
+#if defined(__FreeBSD__) && __FreeBSD_version >= 500000
+ (struct thread *)p
+#elif defined(__Windows__)
+ (PKTHREAD)p
+#else
+ (struct proc *)p
+#endif
+ );
+ if (stcb == NULL) {
+ /* Gak! no memory */
+ goto out_now;
+ }
+ if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
+ stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
+ /* Set the connected flag so we can queue data */
+ soisconnecting(so);
+ }
+ SCTP_SET_STATE(&stcb->asoc, 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) {
+ (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, SCTP_FROM_SCTP_USRREQ+SCTP_LOC_6);
+ goto out_now;
+ }
+ a_id = (sctp_assoc_t *)optval;
+ *a_id = sctp_get_associd(stcb);
+
+ /* initialize authentication parameters for the assoc */
+ sctp_initialize_auth_params(inp, 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);
+ if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
+ stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
+ /* Set the connected flag so we can queue data */
+ soisconnecting(so);
+ }
+ 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(__Panda__) || 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 = TICKS_TO_SEC(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_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) ||
+ (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) ||
+ (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) ||
+ (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);
+ cnt = 0;
+ SCTP_INP_RLOCK(inp);
+ 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;
+ unsigned int at, limit;
+
+ SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize);
+ at = 0;
+ limit = (*optsize-sizeof(uint32_t))/ sizeof(sctp_assoc_t);
+ SCTP_INP_RLOCK(inp);
+ LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
+ if (at < limit) {
+ ids->gaids_assoc_id[at++] = sctp_get_associd(stcb);
+ } 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) ||
+ (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;
+ *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) ||
+ (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) {
+ SCTP_INP_RLOCK(inp);
+ sack->sack_delay = TICKS_TO_MSEC(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:
+ {
+#if defined(__FreeBSD__) && __FreeBSD_version < 900000
+ uint8_t *value;
+
+ SCTP_CHECK_AND_CAST(value, optval, uint8_t, *optsize);
+
+ SCTP_INP_RLOCK(inp);
+ if (inp->sctp_ep.max_burst < 256) {
+ *value = inp->sctp_ep.max_burst;
+ } else {
+ *value = 255;
+ }
+ SCTP_INP_RUNLOCK(inp);
+ *optsize = sizeof(uint8_t);
+#else
+ 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) ||
+ (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);
+ }
+#endif
+ break;
+ }
+ case SCTP_MAXSEG:
+ {
+ struct sctp_assoc_value *av;
+ int ovh;
+
+ SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
+ SCTP_FIND_STCB(inp, stcb, av->assoc_id);
+
+ if (stcb) {
+ av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc);
+ SCTP_TCB_UNLOCK(stcb);
+ } else {
+ if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
+ (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
+ (av->assoc_id == SCTP_FUTURE_ASSOC)) {
+ SCTP_INP_RLOCK(inp);
+ if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
+ ovh = SCTP_MED_OVERHEAD;
+ } else {
+ ovh = SCTP_MED_V4_OVERHEAD;
+ }
+ if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT)
+ av->assoc_value = 0;
+ else
+ av->assoc_value = inp->sctp_frag_point - ovh;
+ 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 = sctp_count_max_addresses(inp);
+ SCTP_INP_RUNLOCK(inp);
+ *optsize = sizeof(uint32_t);
+ break;
+ }
+ case SCTP_GET_REMOTE_ADDR_SIZE:
+ {
+ uint32_t *value;
+ size_t size;
+ struct sctp_nets *net;
+
+ 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) {
+ 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 {
+ SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
+ error = ENOTCONN;
+ }
+ 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_storage *sas;
+ 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) {
+ left = (*optsize) - sizeof(struct sctp_getaddresses);
+ *optsize = sizeof(struct sctp_getaddresses);
+ sas = (struct sockaddr_storage *)&saddr->addr[0];
+
+ 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 *)sas);
+ } else {
+ memcpy(sas, &net->ro._l_addr, cpsz);
+ }
+#else
+ memcpy(sas, &net->ro._l_addr, cpsz);
+#endif
+ ((struct sockaddr_in *)sas)->sin_port = stcb->rport;
+
+ sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz);
+ left -= cpsz;
+ *optsize += cpsz;
+ }
+ SCTP_TCB_UNLOCK(stcb);
+ } else {
+ SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
+ error = ENOENT;
+ }
+ break;
+ }
+ case SCTP_GET_LOCAL_ADDRESSES:
+ {
+ size_t limit, actual;
+ struct sockaddr_storage *sas;
+ struct sctp_getaddresses *saddr;
+
+ SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize);
+ SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id);
+
+ sas = (struct sockaddr_storage *)&saddr->addr[0];
+ limit = *optsize - sizeof(sctp_assoc_t);
+ actual = sctp_fill_up_addresses(inp, stcb, limit, sas);
+ if (stcb) {
+ SCTP_TCB_UNLOCK(stcb);
+ }
+ *optsize = sizeof(struct sockaddr_storage) + actual;
+ 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) {
+ int ovh;
+ if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
+ ovh = SCTP_MED_OVERHEAD;
+ } else {
+ ovh = SCTP_MED_V4_OVERHEAD;
+ }
+
+ paddrp->spp_hbinterval = net->heart_beat_delay;
+ paddrp->spp_pathmaxrxt = net->failure_threshold;
+ paddrp->spp_pathmtu = net->mtu - ovh;
+ /* 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_ENABLE;
+ } else {
+ paddrp->spp_flags |= SPP_PMTUD_DISABLE;
+ }
+ 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 = sctp_get_frag_point(stcb, &stcb->asoc);
+ 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) ||
+ (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 = TICKS_TO_MSEC(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
+ /* can't return this */
+ paddrp->spp_pathmtu = 0;
+
+ 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;
+ 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;
+ }
+ /*
+ * I think passing the state is fine since
+ * sctp_constants.h will be available to the user
+ * land.
+ */
+ sstat->sstat_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, &stcb->asoc);
+#ifdef HAVE_SA_LEN
+ memcpy(&sstat->sstat_primary.spinfo_address,
+ &stcb->asoc.primary_destination->ro._l_addr,
+ ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len);
+#else
+ if (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family == AF_INET) {
+ memcpy(&sstat->sstat_primary.spinfo_address,
+ &stcb->asoc.primary_destination->ro._l_addr,
+ sizeof(struct sockaddr_in));
+ } else {
+ memcpy(&sstat->sstat_primary.spinfo_address,
+ &stcb->asoc.primary_destination->ro._l_addr,
+ sizeof(struct sockaddr_in6));
+ }
+#endif
+ net = stcb->asoc.primary_destination;
+ ((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;
+ 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) ||
+ (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 = TICKS_TO_MSEC(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) ||
+ (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) {
+ SCTP_INP_RLOCK(inp);
+ sasoc->sasoc_cookie_life = TICKS_TO_MSEC(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 = 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) ||
+ (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;
+ uint32_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 ((size_t)(*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) ||
+ (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) ||
+ (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);
+ SCTP_TCB_UNLOCK(stcb);
+ } else {
+ if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
+ (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
+ (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 (error == 0) {
+ *optsize = sizeof(struct sctp_event);
+ }
+ break;
+ }
+ case SCTP_RECVRCVINFO:
+ {
+ int onoff;
+
+ if (*optsize < sizeof(int)) {
+ SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+ error = EINVAL;
+ } else {
+ SCTP_INP_RLOCK(inp);
+ onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO);
+ SCTP_INP_RUNLOCK(inp);
+ }
+ if (error == 0) {
+ /* return the option value */
+ *(int *)optval = onoff;
+ *optsize = sizeof(int);
+ }
+ break;
+ }
+ case SCTP_RECVNXTINFO:
+ {
+ int onoff;
+
+ if (*optsize < sizeof(int)) {
+ SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+ error = EINVAL;
+ } else {
+ SCTP_INP_RLOCK(inp);
+ onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO);
+ SCTP_INP_RUNLOCK(inp);
+ }
+ if (error == 0) {
+ /* return the option value */
+ *(int *)optval = onoff;
+ *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) ||
+ (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) ||
+ (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;
+ } else {
+ thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure;
+ thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold;
+ }
+ 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) ||
+ (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;
+ 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) ||
+ (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) ||
+ (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) ||
+ (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) ||
+ (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) ||
+ (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) ||
+ (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) ||
+ (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) ||
+ (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) ||
+ (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
+ SCTP_TCB_UNLOCK(stcb);
+ *optsize = sizeof(struct sctp_prstatus);
+ } else {
+ SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+ error = EINVAL;
+ }
+ 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];
+ }
+ SCTP_TCB_UNLOCK(stcb);
+ *optsize = sizeof(struct sctp_prstatus);
+ } 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;
+
+ 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) ||
+ (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(__Panda__) || 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_PRINTF("optval is NULL\n");
+ 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_PRINTF("inp is NULL?\n");
+ 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 = SEC_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_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) ||
+ (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 ((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) ||
+ (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 ((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 (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, 1, 1);
+ 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, 1);
+ SCTP_TCB_UNLOCK(stcb);
+ } else {
+ if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
+ (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
+ (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 ((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, 1, 1);
+ 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, 1);
+ 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 (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) ||
+ (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 ((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)
+ sack->sack_delay = SCTP_MAX_SACK_DELAY;
+ if (MSEC_TO_TICKS(sack->sack_delay) < 1) {
+ sack->sack_delay = TICKS_TO_MSEC(1);
+ }
+ }
+ 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) ||
+ (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] = MSEC_TO_TICKS(sack->sack_delay);
+ }
+ if (sack->sack_freq) {
+ inp->sctp_ep.sctp_sack_freq = sack->sack_freq;
+ }
+ SCTP_INP_WUNLOCK(inp);
+ }
+ if ((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;
+ }
+ 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) ||
+ (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 ((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) ||
+ (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 ((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) ||
+ (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 ((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) ||
+ (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 ((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) ||
+ (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 ((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 (sizeof(struct sctp_reset_streams) +
+ strrst->srs_number_streams * sizeof(uint16_t) > optsize) {
+ 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 (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) {
+ send_in = 1;
+ }
+ if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) {
+ send_out = 1;
+ }
+ 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;
+ }
+ error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams,
+ strrst->srs_stream_list,
+ send_out, send_in, 0, 0, 0, 0, 0);
+
+ sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED);
+ 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 (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, 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:
+ {
+ 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 (stcb->asoc.stream_reset_outstanding) {
+ SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
+ error = EALREADY;
+ SCTP_TCB_UNLOCK(stcb);
+ break;
+ }
+ error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 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_9);
+ 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:
+ {
+#if defined(__FreeBSD__) && __FreeBSD_version < 900000
+ uint8_t *burst;
+
+ SCTP_CHECK_AND_CAST(burst, optval, uint8_t, optsize);
+
+ SCTP_INP_WLOCK(inp);
+ inp->sctp_ep.max_burst = *burst;
+ SCTP_INP_WUNLOCK(inp);
+#else
+ 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) ||
+ (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 ((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);
+ }
+ }
+#endif
+ break;
+ }
+ case SCTP_MAXSEG:
+ {
+ struct sctp_assoc_value *av;
+ int ovh;
+
+ SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
+ SCTP_FIND_STCB(inp, stcb, av->assoc_id);
+
+ if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
+ ovh = SCTP_MED_OVERHEAD;
+ } else {
+ ovh = SCTP_MED_V4_OVERHEAD;
+ }
+ if (stcb) {
+ if (av->assoc_value) {
+ stcb->asoc.sctp_frag_point = (av->assoc_value + ovh);
+ } else {
+ stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT;
+ }
+ SCTP_TCB_UNLOCK(stcb);
+ } else {
+ if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
+ (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
+ (av->assoc_id == SCTP_FUTURE_ASSOC)) {
+ SCTP_INP_WLOCK(inp);
+ /* FIXME MT: I think this is not in tune with the API ID */
+ if (av->assoc_value) {
+ inp->sctp_frag_point = (av->assoc_value + ovh);
+ } else {
+ inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT;
+ }
+ 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);
+ }
+ SCTP_INP_WUNLOCK(inp);
+
+ SCTP_INP_RLOCK(inp);
+ 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) ||
+ (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
+ stcb = LIST_FIRST(&inp->sctp_asoc_list);
+ if (stcb) {
+ 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_RUNLOCK(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) ||
+ (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 ((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 (stcb != NULL) {
+ /************************TCB SPECIFIC SET ******************/
+ /*
+ * do we change the timer for HB, we run
+ * only one?
+ */
+ int ovh = 0;
+
+ if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
+ ovh = SCTP_MED_OVERHEAD;
+ } else {
+ ovh = SCTP_MED_V4_OVERHEAD;
+ }
+
+ /* network sets ? */
+ if (net != NULL) {
+ /************************NET SPECIFIC SET ******************/
+ if (paddrp->spp_flags & SPP_HB_DISABLE) {
+ if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) &&
+ !(net->dest_state & SCTP_ADDR_NOHB)) {
+ sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net,
+ SCTP_FROM_SCTP_USRREQ+SCTP_LOC_10);
+ }
+ 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) {
+ /* on demand HB */
+ 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) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) {
+ 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_10);
+ }
+ net->dest_state |= SCTP_ADDR_NO_PMTUD;
+ net->mtu = paddrp->spp_pathmtu + ovh;
+ if (net->mtu < stcb->asoc.smallest_mtu) {
+ sctp_pathmtu_adjustment(stcb, net->mtu);
+ }
+ }
+ 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) {
+ 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_TIMER + SCTP_LOC_3);
+ 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_TIMER + SCTP_LOC_3);
+ 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_10);
+ 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)) {
+ net->dest_state |= SCTP_ADDR_NOHB;
+ if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) {
+ sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, SCTP_FROM_SCTP_USRREQ+SCTP_LOC_10);
+ }
+ }
+ }
+ sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
+ }
+ if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) {
+ 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_10);
+ }
+ net->dest_state |= SCTP_ADDR_NO_PMTUD;
+ net->mtu = paddrp->spp_pathmtu + ovh;
+ if (net->mtu < stcb->asoc.smallest_mtu) {
+ sctp_pathmtu_adjustment(stcb, net->mtu);
+ }
+ }
+ 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;
+ }
+ 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) ||
+ (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] = MSEC_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] = MSEC_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) {
+ sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD);
+ } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) {
+ 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) ||
+ (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) {
+ /* boundary check the cookie life */
+ if (sasoc->sasoc_cookie_life < 1000)
+ sasoc->sasoc_cookie_life = 1000;
+ if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) {
+ sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE;
+ }
+ }
+ if (stcb) {
+ if (sasoc->sasoc_asocmaxrxt)
+ stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt;
+ if (sasoc->sasoc_cookie_life) {
+ stcb->asoc.cookie_life = MSEC_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) ||
+ (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) {
+ SCTP_INP_WLOCK(inp);
+ if (sasoc->sasoc_asocmaxrxt)
+ inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt;
+ if (sasoc->sasoc_cookie_life) {
+ inp->sctp_ep.def_cookie_life = MSEC_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) &&
+ (!(net->dest_state & SCTP_ADDR_UNCONFIRMED))) {
+ /* 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)) &&
+ (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;
+ }
+ 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(__Windows__) && !defined(__Userspace__)
+#if defined(__APPLE__)
+ struct proc *proc;
+#endif
+#ifdef __FreeBSD__
+#if __FreeBSD_version > 602000
+ error = priv_check(curthread,
+ PRIV_NETINET_RESERVEDPORT);
+#elif __FreeBSD_version >= 500000
+ error = suser((struct thread *)p);
+#else
+ error = suser(p);
+#endif
+#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
+#endif
+ if (error)
+ break;
+
+ 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",
+ __FUNCTION__);
+ 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__)
+ } 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;
+ }
+ 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 sctp_getaddresses *addrs;
+#if defined(__FreeBSD__) && __FreeBSD_version >= 500000
+ struct thread *td;
+
+ td = (struct thread *)p;
+#endif
+ SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses,
+ optsize);
+#ifdef INET
+ if (addrs->addr->sa_family == AF_INET) {
+ if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) {
+ SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+ error = EINVAL;
+ break;
+ }
+#if defined(__FreeBSD__) && __FreeBSD_version >= 800000
+ if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) {
+ SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
+ break;
+ }
+#endif
+ } else
+#endif
+#ifdef INET6
+ if (addrs->addr->sa_family == AF_INET6) {
+ if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) {
+ SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+ error = EINVAL;
+ break;
+ }
+#if defined(__FreeBSD__) && __FreeBSD_version >= 800000
+ if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->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, addrs->addr,
+ addrs->sget_assoc_id, vrf_id,
+ &error, p);
+ break;
+ }
+ case SCTP_BINDX_REM_ADDR:
+ {
+ struct sctp_getaddresses *addrs;
+#if defined(__FreeBSD__) && __FreeBSD_version >= 500000
+ struct thread *td;
+ td = (struct thread *)p;
+
+#endif
+ SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize);
+#ifdef INET
+ if (addrs->addr->sa_family == AF_INET) {
+ if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) {
+ SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+ error = EINVAL;
+ break;
+ }
+#if defined(__FreeBSD__) && __FreeBSD_version >= 800000
+ if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) {
+ SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
+ break;
+ }
+#endif
+ } else
+#endif
+#ifdef INET6
+ if (addrs->addr->sa_family == AF_INET6) {
+ if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) {
+ SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+ error = EINVAL;
+ break;
+ }
+#if defined(__FreeBSD__) && __FreeBSD_version >= 800000
+ if (td != NULL &&
+ (error = prison_local_ip6(td->td_ucred,
+ &(((struct sockaddr_in6 *)(addrs->addr))->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, addrs->addr,
+ addrs->sget_assoc_id, vrf_id,
+ &error);
+ break;
+ }
+#ifdef __APPLE__
+ 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 /* __APPLE__ */
+ 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_TCPTYPE) == 0) &&
+ ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) &&
+ ((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) ||
+ (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 ((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);
+ }
+ }
+ }
+ 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) ||
+ (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 ((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) {
+ 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) ||
+ (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 ((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 (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_TIMER + SCTP_LOC_3);
+ 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_TIMER + SCTP_LOC_3);
+ 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) ||
+ (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) ||
+ (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) ||
+ (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) ||
+ (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) ||
+ (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) ||
+ (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) ||
+ (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) ||
+ (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) ||
+ (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) ||
+ (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;
+ }
+ default:
+ SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
+ error = ENOPROTOOPT;
+ break;
+ } /* end switch (opt) */
+ return (error);
+}
+
+#if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
+int
+sctp_ctloutput(struct socket *so, struct sockopt *sopt)
+{
+ void *optval = NULL;
+ size_t optsize = 0;
+ void *p;
+ int error = 0;
+
+ 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_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__) && __FreeBSD_version >= 500000) || defined(__Windows__)
+ p = (void *)sopt->sopt_td;
+#else
+ p = (void *)sopt->sopt_p;
+#endif
+ if (sopt->sopt_dir == SOPT_SET) {
+ error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p);
+ } 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(__FreeBSD__) && __FreeBSD_version >= 500000
+static int
+sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p)
+{
+#else
+#if defined(__FreeBSD__) || defined(__APPLE__)
+static int
+sctp_connect(struct socket *so, struct sockaddr *addr, struct proc *p)
+{
+#elif defined(__Panda__) || defined(__Userspace__)
+int
+sctp_connect(struct socket *so, struct sockaddr *addr)
+{
+ void *p = NULL;
+#elif defined(__Windows__)
+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
+#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(__Windows__) && !defined(__Userspace_os_Linux) && !defined(__Userspace_os_Windows)
+ switch (addr->sa_family) {
+#ifdef INET6
+ case AF_INET6:
+ {
+#if defined(__FreeBSD__) && __FreeBSD_version >= 800000
+ struct sockaddr_in6 *sin6p;
+
+#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__) && __FreeBSD_version >= 800000
+ sin6p = (struct sockaddr_in6 *)addr;
+ if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->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__) && __FreeBSD_version >= 800000
+ struct sockaddr_in *sinp;
+
+#endif
+#if !defined(__Userspace_os_Windows)
+ 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__) && __FreeBSD_version >= 800000
+ sinp = (struct sockaddr_in *)addr;
+ if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->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 ((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) ==
+ 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(inp, addr, &error, 0, vrf_id, p);
+ if (stcb == NULL) {
+ /* Gak! no memory */
+ goto out_now;
+ }
+ if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
+ stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
+ /* Set the connected flag so we can queue data */
+ soisconnecting(so);
+ }
+ SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT);
+ (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
+
+ /* initialize authentication parameters for the assoc */
+ sctp_initialize_auth_params(inp, stcb);
+
+ 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
+
+#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) == 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(inp, addr, &error, 0, vrf_id, p);
+ if (stcb == NULL) {
+ /* Gak! no memory */
+ goto out_now;
+ }
+ if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
+ stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
+ /* Set the connected flag so we can queue data */
+ soisconnecting(so);
+ }
+ SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT);
+ (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
+
+ /* initialize authentication parameters for the assoc */
+ sctp_initialize_auth_params(inp, stcb);
+
+ 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(__FreeBSD__) && __FreeBSD_version >= 500000
+#if __FreeBSD_version >= 700000
+sctp_listen(struct socket *so, int backlog, struct thread *p)
+#else
+sctp_listen(struct socket *so, struct thread *p)
+#endif
+#elif defined(__Windows__)
+sctp_listen(struct socket *so, int backlog, PKTHREAD p)
+#elif defined(__Userspace__)
+sctp_listen(struct socket *so, int backlog, struct proc *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) &&
+ (tinp->sctp_socket->so_qlimit)) {
+ /* 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) &&
+ (tinp->sctp_socket->so_qlimit)) {
+ /* we have a listener already and its not this inp. */
+ SCTP_INP_DECR_REF(tinp);
+ return (EADDRINUSE);
+ } else if (tinp) {
+ SCTP_INP_DECR_REF(inp);
+ }
+ }
+ }
+ SCTP_INP_RLOCK(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
+ SOCK_LOCK(so);
+#if (defined(__FreeBSD__) && __FreeBSD_version > 500000) || defined(__Userspace__)
+ error = solisten_proto_check(so);
+ SOCK_UNLOCK(so);
+ if (error) {
+ SCTP_INP_RUNLOCK(inp);
+ return (error);
+ }
+#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)) {
+ SCTP_INP_RUNLOCK(inp);
+ SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE);
+ return (EADDRINUSE);
+ }
+ }
+
+ if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
+ (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
+ /* We are already connected AND the TCP model */
+ SCTP_INP_RUNLOCK(inp);
+ SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE);
+ return (EADDRINUSE);
+ }
+ SCTP_INP_RUNLOCK(inp);
+ if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) {
+ /* We must do a bind. */
+ if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) {
+ /* bind error, probably perm */
+ return (error);
+ }
+ }
+ SOCK_LOCK(so);
+#if (defined(__FreeBSD__) && __FreeBSD_version > 500000) || defined(__Windows__) || defined(__Userspace__)
+#if __FreeBSD_version >= 700000 || defined(__Windows__) || defined(__Userspace__)
+ /* It appears for 7.0 and on, we must always call this. */
+ solisten_proto(so, backlog);
+#else
+ if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) == 0) {
+ solisten_proto(so);
+ }
+#endif
+#endif
+ 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
+ }
+
+#if __FreeBSD_version >= 700000 || defined(__Windows__) || defined(__Userspace__)
+ if (backlog == 0) {
+ /* turning off listen */
+#if defined(__Userspace__)
+ so->so_options &= ~SCTP_SO_ACCEPTCONN;
+#else
+ so->so_options &= ~SO_ACCEPTCONN;
+#endif
+ }
+#endif
+ SOCK_UNLOCK(so);
+ return (error);
+}
+
+static int sctp_defered_wakeup_cnt = 0;
+
+int
+#if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__)
+sctp_accept(struct socket *so, struct sockaddr **addr)
+{
+#elif defined(__Panda__)
+sctp_accept(struct socket *so, struct sockaddr *addr, int *namelen,
+ void *accept_info, int *accept_info_len)
+{
+#else
+sctp_accept(struct socket *so, struct mbuf *nam)
+{
+ struct sockaddr *addr = mtod(nam, struct sockaddr *);
+#endif
+ struct sctp_tcb *stcb;
+ struct sctp_inpcb *inp;
+ union sctp_sockstore store;
+#ifdef INET6
+#ifdef SCTP_KAME
+ int error;
+#endif /* SCTP_KAME */
+#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_RLOCK(inp);
+ if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
+ SCTP_INP_RUNLOCK(inp);
+ SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
+ return (EOPNOTSUPP);
+ }
+ if (so->so_state & SS_ISDISCONNECTED) {
+ SCTP_INP_RUNLOCK(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_RUNLOCK(inp);
+ SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+ return (ECONNRESET);
+ }
+ SCTP_TCB_LOCK(stcb);
+ SCTP_INP_RUNLOCK(inp);
+ store = stcb->asoc.primary_destination->ro._l_addr;
+ stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE;
+ SCTP_TCB_UNLOCK(stcb);
+ switch (store.sa.sa_family) {
+#ifdef INET
+ case AF_INET:
+ {
+ struct sockaddr_in *sin;
+
+#if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__)
+ SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
+ if (sin == NULL)
+ return (ENOMEM);
+#else
+ sin = (struct sockaddr_in *)addr;
+ bzero((caddr_t)sin, sizeof(*sin));
+#endif
+ 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;
+#if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__)
+ *addr = (struct sockaddr *)sin;
+#elif !defined(__Panda__)
+ SCTP_BUF_LEN(nam) = sizeof(*sin);
+#endif
+ break;
+ }
+#endif
+#ifdef INET6
+ case AF_INET6:
+ {
+ struct sockaddr_in6 *sin6;
+
+#if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__)
+ SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6);
+ if (sin6 == NULL)
+ return (ENOMEM);
+#else
+ sin6 = (struct sockaddr_in6 *)addr;
+ bzero((caddr_t)sin6, sizeof(*sin6));
+#endif
+ 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 */
+#if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__)
+ *addr = (struct sockaddr *)sin6;
+#elif !defined(__Panda__)
+ SCTP_BUF_LEN(nam) = sizeof(*sin6);
+#endif
+ 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;
+ }
+ /* Wake any delayed sleep action */
+ if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) {
+ SCTP_INP_WLOCK(inp);
+ inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE;
+ if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) {
+ inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT;
+ SCTP_INP_WUNLOCK(inp);
+ 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(__Windows__) || 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);
+ }
+ SCTP_INP_WLOCK(inp);
+ }
+ if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) {
+ inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT;
+ SCTP_INP_WUNLOCK(inp);
+ 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(__Windows__) || 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_WLOCK(inp);
+ }
+ SCTP_INP_WUNLOCK(inp);
+ }
+ if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {
+ SCTP_TCB_LOCK(stcb);
+ sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ+SCTP_LOC_7);
+ }
+ return (0);
+}
+
+#ifdef INET
+int
+#if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
+sctp_ingetaddr(struct socket *so, struct sockaddr **addr)
+{
+ struct sockaddr_in *sin;
+#elif defined(__Panda__)
+sctp_ingetaddr(struct socket *so, struct sockaddr *addr)
+{
+ struct sockaddr_in *sin = (struct sockaddr_in *)addr;
+#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(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
+ SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
+ if (sin == NULL)
+ return (ENOMEM);
+#elif defined(__Panda__)
+ bzero(sin, sizeof(*sin));
+#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(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
+ 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(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
+ 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(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
+ (*addr) = (struct sockaddr *)sin;
+#endif
+ return (0);
+}
+
+int
+#if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
+sctp_peeraddr(struct socket *so, struct sockaddr **addr)
+{
+ struct sockaddr_in *sin;
+#elif defined(__Panda__)
+sctp_peeraddr(struct socket *so, struct sockaddr *addr)
+{
+ struct sockaddr_in *sin = (struct sockaddr_in *)addr;
+#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(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
+ SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
+ if (sin == NULL)
+ return (ENOMEM);
+#elif defined(__Panda__)
+ memset(sin, 0, sizeof(*sin));
+#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(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
+ 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(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
+ 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(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
+ SCTP_FREE_SONAME(sin);
+#endif
+ SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
+ return (ENOENT);
+ }
+#if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
+ (*addr) = (struct sockaddr *)sin;
+#endif
+ return (0);
+}
+
+#if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
+struct pr_usrreqs sctp_usrreqs = {
+#if defined(__FreeBSD__)
+ .pru_abort = sctp_abort,
+ .pru_accept = sctp_accept,
+ .pru_attach = sctp_attach,
+ .pru_bind = sctp_bind,
+ .pru_connect = sctp_connect,
+ .pru_control = in_control,
+#if __FreeBSD_version >= 690000
+ .pru_close = sctp_close,
+ .pru_detach = sctp_close,
+ .pru_sopoll = sopoll_generic,
+ .pru_flush = sctp_flush,
+#else
+ .pru_detach = sctp_detach,
+ .pru_sopoll = sopoll,
+#endif
+ .pru_disconnect = sctp_disconnect,
+ .pru_listen = sctp_listen,
+ .pru_peeraddr = sctp_peeraddr,
+ .pru_send = sctp_sendm,
+ .pru_shutdown = sctp_shutdown,
+ .pru_sockaddr = sctp_ingetaddr,
+ .pru_sosend = sctp_sosend,
+ .pru_soreceive = sctp_soreceive
+#elif 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(__Windows__)
+ 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
+};
+#elif !defined(__Panda__) && !defined(__Userspace__)
+int
+sctp_usrreq(so, req, m, nam, control)
+ struct socket *so;
+ int req;
+ struct mbuf *m, *nam, *control;
+{
+ struct proc *p = curproc;
+ uint32_t vrf_id;
+ struct sctp_vrf *vrf;
+ int error;
+ int family;
+ struct sctp_inpcb *inp = (struct sctp_inpcb *)so->so_pcb;
+
+ error = 0;
+ family = so->so_proto->pr_domain->dom_family;
+ if (req == PRU_CONTROL) {
+ switch (family) {
+ case PF_INET:
+ error = in_control(so, (long)m, (caddr_t)nam,
+ (struct ifnet *)control);
+ break;
+#ifdef INET6
+ case PF_INET6:
+ error = in6_control(so, (long)m, (caddr_t)nam,
+ (struct ifnet *)control, p);
+ break;
+#endif
+ default:
+ SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT);
+ error = EAFNOSUPPORT;
+ }
+ return (error);
+ }
+ switch (req) {
+ case PRU_ATTACH:
+ error = sctp_attach(so, family, p);
+ break;
+ case PRU_DETACH:
+ error = sctp_detach(so);
+ break;
+ case PRU_BIND:
+ if (nam == NULL) {
+ SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+ return (EINVAL);
+ }
+ error = sctp_bind(so, nam, p);
+ break;
+ case PRU_LISTEN:
+ error = sctp_listen(so, p);
+ break;
+ case PRU_CONNECT:
+ if (nam == NULL) {
+ SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+ return (EINVAL);
+ }
+ error = sctp_connect(so, nam, p);
+ break;
+ case PRU_DISCONNECT:
+ error = sctp_disconnect(so);
+ break;
+ case PRU_ACCEPT:
+ if (nam == NULL) {
+ SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
+ return (EINVAL);
+ }
+ error = sctp_accept(so, nam);
+ break;
+ case PRU_SHUTDOWN:
+ error = sctp_shutdown(so);
+ break;
+
+ case PRU_RCVD:
+ /*
+ * For Open and Net BSD, this is real ugly. The mbuf *nam
+ * that is passed (by soreceive()) is the int flags c ast as
+ * a (mbuf *) yuck!
+ */
+ break;
+
+ case PRU_SEND:
+ /* Flags are ignored */
+ {
+ struct sockaddr *addr;
+
+ if (nam == NULL)
+ addr = NULL;
+ else
+ addr = mtod(nam, struct sockaddr *);
+
+ error = sctp_sendm(so, 0, m, addr, control, p);
+ }
+ break;
+ case PRU_ABORT:
+ error = sctp_abort(so);
+ break;
+
+ case PRU_SENSE:
+ error = 0;
+ break;
+ case PRU_RCVOOB:
+ SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT);
+ error = EAFNOSUPPORT;
+ break;
+ case PRU_SENDOOB:
+ SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT);
+ error = EAFNOSUPPORT;
+ break;
+ case PRU_PEERADDR:
+ error = sctp_peeraddr(so, nam);
+ break;
+ case PRU_SOCKADDR:
+ error = sctp_ingetaddr(so, nam);
+ break;
+ case PRU_SLOWTIMO:
+ error = 0;
+ break;
+ default:
+ break;
+ }
+ return (error);
+}
+
+#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))
+{
+ 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);
+}
+#endif