Imported Upstream version 2.3_rc1

1 files changed, 0 insertions, 277 deletions

diff --git a/mudp.c b/mudp.c
deleted file mode 100644
index a478b29..0000000
--- a/mudp.c
+++ /dev/null
@@ -1,277 +0,0 @@
-/*
- *  OpenVPN -- An application to securely tunnel IP networks
- *             over a single TCP/UDP port, with support for SSL/TLS-based
- *             session authentication and key exchange,
- *             packet encryption, packet authentication, and
- *             packet compression.
- *
- *  Copyright (C) 2002-2010 OpenVPN Technologies, Inc. <sales@openvpn.net>
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License version 2
- *  as published by the Free Software Foundation.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program (see the file COPYING included with this
- *  distribution); if not, write to the Free Software Foundation, Inc.,
- *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-#include "syshead.h"
-
-#if P2MP_SERVER
-
-#include "multi.h"
-#include "forward-inline.h"
-
-#include "memdbg.h"
-
-/*
- * Get a client instance based on real address.  If
- * the instance doesn't exist, create it while
- * maintaining real address hash table atomicity.
- */
-
-struct multi_instance *
-multi_get_create_instance_udp (struct multi_context *m)
-{
-  struct gc_arena gc = gc_new ();
-  struct mroute_addr real;
-  struct multi_instance *mi = NULL;
-  struct hash *hash = m->hash;
-
-  if (mroute_extract_openvpn_sockaddr (&real, &m->top.c2.from.dest, true))
-    {
-      struct hash_element *he;
-      const uint32_t hv = hash_value (hash, &real);
-      struct hash_bucket *bucket = hash_bucket (hash, hv);
-  
-      he = hash_lookup_fast (hash, bucket, &real, hv);
-
-      if (he)
-	{
-	  mi = (struct multi_instance *) he->value;
-	}
-      else
-	{
-	  if (!m->top.c2.tls_auth_standalone
-	      || tls_pre_decrypt_lite (m->top.c2.tls_auth_standalone, &m->top.c2.from, &m->top.c2.buf))
-	    {
-	      if (frequency_limit_event_allowed (m->new_connection_limiter))
-		{
-		  mi = multi_create_instance (m, &real);
-		  if (mi)
-		    {
-		      hash_add_fast (hash, bucket, &mi->real, hv, mi);
-		      mi->did_real_hash = true;
-		    }
-		}
-	      else
-		{
-		  msg (D_MULTI_ERRORS,
-		       "MULTI: Connection from %s would exceed new connection frequency limit as controlled by --connect-freq",
-		       mroute_addr_print (&real, &gc));
-		}
-	    }
-	}
-
-#ifdef ENABLE_DEBUG
-      if (check_debug_level (D_MULTI_DEBUG))
-	{
-	  const char *status;
-
-	  if (he && mi)
-	    status = "[succeeded]";
-	  else if (!he && mi)
-	    status = "[created]";
-	  else
-	    status = "[failed]";
-	
-	  dmsg (D_MULTI_DEBUG, "GET INST BY REAL: %s %s",
-	       mroute_addr_print (&real, &gc),
-	       status);
-	}
-#endif
-    }
-
-  gc_free (&gc);
-  ASSERT (!(mi && mi->halt));
-  return mi;
-}
-
-/*
- * Send a packet to TCP/UDP socket.
- */
-static inline void
-multi_process_outgoing_link (struct multi_context *m, const unsigned int mpp_flags)
-{
-  struct multi_instance *mi = multi_process_outgoing_link_pre (m);
-  if (mi)
-    multi_process_outgoing_link_dowork (m, mi, mpp_flags);
-}
-
-/*
- * Process an I/O event.
- */
-static void
-multi_process_io_udp (struct multi_context *m)
-{
-  const unsigned int status = m->top.c2.event_set_status;
-  const unsigned int mpp_flags = m->top.c2.fast_io
-    ? (MPP_CONDITIONAL_PRE_SELECT | MPP_CLOSE_ON_SIGNAL)
-    : (MPP_PRE_SELECT | MPP_CLOSE_ON_SIGNAL);
-
-#ifdef MULTI_DEBUG_EVENT_LOOP
-  char buf[16];
-  buf[0] = 0;
-  if (status & SOCKET_READ)
-    strcat (buf, "SR/");
-  else if (status & SOCKET_WRITE)
-    strcat (buf, "SW/");
-  else if (status & TUN_READ)
-    strcat (buf, "TR/");
-  else if (status & TUN_WRITE)
-    strcat (buf, "TW/");
-  printf ("IO %s\n", buf);
-#endif
-
-#ifdef ENABLE_MANAGEMENT
-  if (status & (MANAGEMENT_READ|MANAGEMENT_WRITE))
-    {
-      ASSERT (management);
-      management_io (management);
-    }
-#endif
-
-  /* UDP port ready to accept write */
-  if (status & SOCKET_WRITE)
-    {
-      multi_process_outgoing_link (m, mpp_flags);
-    }
-  /* TUN device ready to accept write */
-  else if (status & TUN_WRITE)
-    {
-      multi_process_outgoing_tun (m, mpp_flags);
-    }
-  /* Incoming data on UDP port */
-  else if (status & SOCKET_READ)
-    {
-      read_incoming_link (&m->top);
-      multi_release_io_lock (m);
-      if (!IS_SIG (&m->top))
-	multi_process_incoming_link (m, NULL, mpp_flags);
-    }
-  /* Incoming data on TUN device */
-  else if (status & TUN_READ)
-    {
-      read_incoming_tun (&m->top);
-      multi_release_io_lock (m);
-      if (!IS_SIG (&m->top))
-	multi_process_incoming_tun (m, mpp_flags);
-    }
-}
-
-/*
- * Return the io_wait() flags appropriate for
- * a point-to-multipoint tunnel.
- */
-static inline unsigned int
-p2mp_iow_flags (const struct multi_context *m)
-{
-  unsigned int flags = IOW_WAIT_SIGNAL;
-  if (m->pending)
-    {
-      if (TUN_OUT (&m->pending->context))
-	flags |= IOW_TO_TUN;
-      if (LINK_OUT (&m->pending->context))
-	flags |= IOW_TO_LINK;
-    }
-  else if (mbuf_defined (m->mbuf))
-    flags |= IOW_MBUF;
-  else
-    flags |= IOW_READ;
-
-  return flags;
-}
-
-/*
- * Top level event loop for single-threaded operation.
- * UDP mode.
- */
-static void
-tunnel_server_udp_single_threaded (struct context *top)
-{
-  struct multi_context multi;
-
-  top->mode = CM_TOP;
-  context_clear_2 (top);
-
-  /* initialize top-tunnel instance */
-  init_instance_handle_signals (top, top->es, CC_HARD_USR1_TO_HUP);
-  if (IS_SIG (top))
-    return;
-  
-  /* initialize global multi_context object */
-  multi_init (&multi, top, false, MC_SINGLE_THREADED);
-
-  /* initialize our cloned top object */
-  multi_top_init (&multi, top, true);
-
-  /* initialize management interface */
-  init_management_callback_multi (&multi);
-
-  /* finished with initialization */
-  initialization_sequence_completed (top, ISC_SERVER); /* --mode server --proto udp */
-
-  /* per-packet event loop */
-  while (true)
-    {
-      perf_push (PERF_EVENT_LOOP);
-
-      /* set up and do the io_wait() */
-      multi_get_timeout (&multi, &multi.top.c2.timeval);
-      io_wait (&multi.top, p2mp_iow_flags (&multi));
-      MULTI_CHECK_SIG (&multi);
-
-      /* check on status of coarse timers */
-      multi_process_per_second_timers (&multi);
-
-      /* timeout? */
-      if (multi.top.c2.event_set_status == ES_TIMEOUT)
-	{
-	  multi_process_timeout (&multi, MPP_PRE_SELECT|MPP_CLOSE_ON_SIGNAL);
-	}
-      else
-	{
-	  /* process I/O */
-	  multi_process_io_udp (&multi);
-	  MULTI_CHECK_SIG (&multi);
-	}
-      
-      perf_pop ();
-    }
-
-  /* shut down management interface */
-  uninit_management_callback_multi (&multi);
-
-  /* save ifconfig-pool */
-  multi_ifconfig_pool_persist (&multi, true);
-
-  /* tear down tunnel instance (unless --persist-tun) */
-  multi_uninit (&multi);
-  multi_top_free (&multi);
-  close_instance (top);
-}
-
-void
-tunnel_server_udp (struct context *top)
-{
-  tunnel_server_udp_single_threaded (top);
-}
-
-#endif