removed openvpn source code

1 files changed, 0 insertions, 394 deletions

diff --git a/src/openvpn/plugin.c b/src/openvpn/plugin.c
deleted file mode 100644
index f0d14ba..0000000
--- a/src/openvpn/plugin.c
+++ /dev/null
@@ -1,394 +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) 2002-2005 OpenVPN Solutions LLC <info@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
- */
-
-#ifdef WIN32
-#include "config-win32.h"
-#else
-#include "config.h"
-#endif
-
-#include "syshead.h"
-
-#ifdef ENABLE_PLUGIN
-
-#include "buffer.h"
-#include "error.h"
-#include "misc.h"
-#include "plugin.h"
-
-#include "memdbg.h"
-
-#define PLUGIN_SYMBOL_REQUIRED (1<<0)
-
-/* used only for program aborts */
-static struct plugin_list *static_plugin_list = NULL; /* GLOBAL */
-
-static void
-plugin_show_string_array (int msglevel, const char *name, const char *array[])
-{
-  int i;
-  for (i = 0; array[i]; ++i)
-    msg (msglevel, "%s[%d] = '%s'", name, i, array[i]);
-}
-
-static void
-plugin_show_args_env (int msglevel, const char *argv[], const char *envp[])
-{
-  if (check_debug_level (msglevel))
-    {
-      plugin_show_string_array (msglevel, "ARGV", argv);
-      plugin_show_string_array (msglevel, "ENVP", envp);
-    }
-}
-
-static const char *
-plugin_type_name (const int type)
-{
-  switch (type)
-    {
-    case OPENVPN_PLUGIN_UP:
-      return "PLUGIN_UP";
-    case OPENVPN_PLUGIN_DOWN:
-      return "PLUGIN_DOWN";
-    case OPENVPN_PLUGIN_ROUTE_UP:
-      return "PLUGIN_ROUTE_UP";
-    case OPENVPN_PLUGIN_IPCHANGE:
-      return "PLUGIN_IPCHANGE";
-    case OPENVPN_PLUGIN_TLS_VERIFY:
-      return "PLUGIN_TLS_VERIFY";
-    case OPENVPN_PLUGIN_AUTH_USER_PASS_VERIFY:
-      return "PLUGIN_AUTH_USER_PASS_VERIFY";
-    case OPENVPN_PLUGIN_CLIENT_CONNECT:
-      return "PLUGIN_CLIENT_CONNECT";
-    case OPENVPN_PLUGIN_CLIENT_DISCONNECT:
-      return "PLUGIN_CLIENT_DISCONNECT";
-    case OPENVPN_PLUGIN_LEARN_ADDRESS:
-      return "PLUGIN_LEARN_ADDRESS";
-    default:
-      return "PLUGIN_???";
-    }
-}
-
-static const char *
-plugin_mask_string (const unsigned int type_mask, struct gc_arena *gc)
-{
-  struct buffer out = alloc_buf_gc (256, gc);
-  bool first = true;
-  int i;
-
-  for (i = 0; i < OPENVPN_PLUGIN_N; ++i)
-    {
-      if (OPENVPN_PLUGIN_MASK (i) & type_mask)
-	{
-	  if (!first)
-	    buf_printf (&out, "|");
-	  buf_printf (&out, "%s", plugin_type_name (i));
-	  first = false;
-	}
-    }
-  return BSTR (&out);
-}
-
-static inline unsigned int
-plugin_supported_types (void)
-{
-  return ((1<<OPENVPN_PLUGIN_N)-1);
-}
-
-struct plugin_option_list *
-plugin_option_list_new (struct gc_arena *gc)
-{
-  struct plugin_option_list *ret;
-  ALLOC_OBJ_CLEAR_GC (ret, struct plugin_option_list, gc);
-  return ret;
-}
-
-bool
-plugin_option_list_add (struct plugin_option_list *list, const char *so_pathname, const char *args)
-{
-  if (list->n < MAX_PLUGINS)
-    {
-      struct plugin_option *o = &list->plugins[list->n++];
-      o->so_pathname = so_pathname;
-      o->args = args;
-      return true;
-    }
-  else
-    return false;
-}
-
-#ifdef ENABLE_DEBUG
-void
-plugin_option_list_print (const struct plugin_option_list *list, int msglevel)
-{
-  int i;
-  for (i = 0; i < list->n; ++i)
-    {
-      const struct plugin_option *o = &list->plugins[i];
-      msg (msglevel, "  plugin[%d] %s '%s'", i, o->so_pathname, o->args);
-    }
-}
-#endif
-
-#if defined(USE_LIBDL)
-
-static void
-libdl_resolve_symbol (void *handle, void **dest, const char *symbol, const char *plugin_name, const unsigned int flags)
-{
-  *dest = dlsym (handle, symbol);
-  if ((flags & PLUGIN_SYMBOL_REQUIRED) && !*dest)
-    msg (M_FATAL, "PLUGIN: could not find required symbol '%s' in plugin shared object %s: %s", symbol, plugin_name, dlerror());
-}
-
-#elif defined(USE_LOAD_LIBRARY)
-
-static void
-dll_resolve_symbol (HMODULE module, void **dest, const char *symbol, const char *plugin_name, const unsigned int flags)
-{
-  *dest = GetProcAddress (module, symbol);
-  if ((flags & PLUGIN_SYMBOL_REQUIRED) && !*dest)
-    msg (M_FATAL, "PLUGIN: could not find required symbol '%s' in plugin DLL %s", symbol, plugin_name);
-}
-
-#endif
-
-static void
-plugin_init_item (struct plugin *p, const struct plugin_option *o, const char **envp)
-{
-  struct gc_arena gc = gc_new ();
-  const char **argv = make_arg_array (o->so_pathname, o->args, &gc);
-  p->so_pathname = o->so_pathname;
-  p->plugin_type_mask = plugin_supported_types ();
-
-#if defined(USE_LIBDL)
-  p->handle = dlopen (p->so_pathname, RTLD_NOW);
-  if (!p->handle)
-    msg (M_ERR, "PLUGIN_INIT: could not load plugin shared object %s: %s", p->so_pathname, dlerror());
-  libdl_resolve_symbol (p->handle, (void*)&p->open,  "openvpn_plugin_open_v1", p->so_pathname, PLUGIN_SYMBOL_REQUIRED);
-  libdl_resolve_symbol (p->handle, (void*)&p->func,  "openvpn_plugin_func_v1", p->so_pathname, PLUGIN_SYMBOL_REQUIRED);
-  libdl_resolve_symbol (p->handle, (void*)&p->close, "openvpn_plugin_close_v1", p->so_pathname, PLUGIN_SYMBOL_REQUIRED);
-  libdl_resolve_symbol (p->handle, (void*)&p->abort, "openvpn_plugin_abort_v1", p->so_pathname, 0);
-#elif defined(USE_LOAD_LIBRARY)
-  p->module = LoadLibrary (p->so_pathname);
-  if (!p->module)
-    msg (M_ERR, "PLUGIN_INIT: could not load plugin DLL: %s", p->so_pathname);
-  dll_resolve_symbol (p->module, (void*)&p->open,  "openvpn_plugin_open_v1", p->so_pathname, PLUGIN_SYMBOL_REQUIRED);
-  dll_resolve_symbol (p->module, (void*)&p->func,  "openvpn_plugin_func_v1", p->so_pathname, PLUGIN_SYMBOL_REQUIRED);
-  dll_resolve_symbol (p->module, (void*)&p->close, "openvpn_plugin_close_v1", p->so_pathname, PLUGIN_SYMBOL_REQUIRED);
-  dll_resolve_symbol (p->module, (void*)&p->abort, "openvpn_plugin_abort_v1", p->so_pathname, 0);
-#endif
-
-  dmsg (D_PLUGIN_DEBUG, "PLUGIN_INIT: PRE");
-  plugin_show_args_env (D_PLUGIN_DEBUG, argv, envp);
-
-  /*
-   * Call the plugin initialization
-   */
-  p->plugin_handle = (*p->open)(&p->plugin_type_mask, argv, envp);
-
-  msg (D_PLUGIN, "PLUGIN_INIT: POST %s '%s' intercepted=%s",
-       p->so_pathname,
-       o->args ? o->args : "[NULL]",
-       plugin_mask_string (p->plugin_type_mask, &gc));
-
-  if ((p->plugin_type_mask | plugin_supported_types()) != plugin_supported_types())
-    msg (M_FATAL, "PLUGIN_INIT: plugin %s expressed interest in unsupported plugin types: [want=0x%08x, have=0x%08x]",
-	 p->so_pathname,
-	 p->plugin_type_mask,
-	 plugin_supported_types());
-
-  if (p->plugin_handle == NULL)
-    msg (M_FATAL, "PLUGIN_INIT: plugin initialization function failed: %s",
-	 p->so_pathname);
-
-  gc_free (&gc);
-}
-
-static int
-plugin_call_item (const struct plugin *p, const int type, const char *args, const char **envp)
-{
-  int status = OPENVPN_PLUGIN_FUNC_SUCCESS;
-
-  if (p->plugin_type_mask & OPENVPN_PLUGIN_MASK (type))
-    {
-      struct gc_arena gc = gc_new ();
-      const char **argv = make_arg_array (p->so_pathname, args, &gc);
-
-      dmsg (D_PLUGIN_DEBUG, "PLUGIN_CALL: PRE type=%s", plugin_type_name (type));
-      plugin_show_args_env (D_PLUGIN_DEBUG, argv, envp);
-
-      /*
-       * Call the plugin work function
-       */
-      status = (*p->func)(p->plugin_handle, type, argv, envp);
-
-      msg (D_PLUGIN, "PLUGIN_CALL: POST %s/%s status=%d",
-	   p->so_pathname,
-	   plugin_type_name (type),
-	   status);
-
-      if (status != OPENVPN_PLUGIN_FUNC_SUCCESS)
-	msg (M_WARN, "PLUGIN_CALL: plugin function %s failed with status %d: %s",
-	     plugin_type_name (type),
-	     status,
-	     p->so_pathname);
-
-      gc_free (&gc);
-    }
-  return status;
-}
-
-static void
-plugin_close_item (const struct plugin *p)
-{
-  msg (D_PLUGIN, "PLUGIN_CLOSE: %s", p->so_pathname);
-
-  /*
-   * Call the plugin close function
-   */
-  (*p->close)(p->plugin_handle);
-
-#if defined(USE_LIBDL)
-  if (dlclose (p->handle))
-    msg (M_WARN, "PLUGIN_CLOSE: dlclose() failed on plugin: %s", p->so_pathname);
-#elif defined(USE_LOAD_LIBRARY)
-  if (!FreeLibrary (p->module))
-    msg (M_WARN, "PLUGIN_CLOSE: FreeLibrary() failed on plugin: %s", p->so_pathname);
-#endif
-}
-
-static void
-plugin_abort_item (const struct plugin *p)
-{
-  /*
-   * Call the plugin abort function
-   */
-  if (p->abort)
-    (*p->abort)(p->plugin_handle);
-}
-
-struct plugin_list *
-plugin_list_open (const struct plugin_option_list *list, const struct env_set *es)
-{
-  struct gc_arena gc = gc_new ();
-  int i;
-  struct plugin_list *pl;
-  const char **envp;
-
-  ALLOC_OBJ_CLEAR (pl, struct plugin_list);
-  static_plugin_list = pl;
-
-  envp = make_env_array (es, &gc);
-
-  for (i = 0; i < list->n; ++i)
-    {
-      plugin_init_item (&pl->plugins[i], &list->plugins[i], envp);
-      pl->n = i + 1;
-    }
-
-  gc_free (&gc);
-  return pl;
-}
-
-int
-plugin_call (const struct plugin_list *pl, const int type, const char *args, struct env_set *es)
-{
-  int count = 0;
-
-  if (plugin_defined (pl, type))
-    {
-      struct gc_arena gc = gc_new ();
-      int i;
-      const char **envp;
-      
-      mutex_lock_static (L_PLUGIN);
-
-      setenv_del (es, "script_type");
-      envp = make_env_array (es, &gc);
-
-      for (i = 0; i < pl->n; ++i)
-	{
-	  if (!plugin_call_item (&pl->plugins[i], type, args, envp))
-	    ++count;
-	}
-
-      mutex_unlock_static (L_PLUGIN);
-
-      gc_free (&gc);
-    }
-
-  return count == pl->n ? 0 : 1; /* if any one plugin in the chain failed, return failure (1) */
-}
-
-void
-plugin_list_close (struct plugin_list *pl)
-{
-  static_plugin_list = NULL;
-  if (pl)
-    {
-      int i;
-
-      for (i = 0; i < pl->n; ++i)
-	plugin_close_item (&pl->plugins[i]);
-      free (pl);
-    }
-}
-
-void
-plugin_abort (void)
-{
-  struct plugin_list *pl = static_plugin_list;
-  static_plugin_list = NULL;
-  if (pl)
-    {
-      int i;
-
-      for (i = 0; i < pl->n; ++i)
-	plugin_abort_item (&pl->plugins[i]);
-    }
-}
-
-bool
-plugin_defined (const struct plugin_list *pl, const int type)
-{
-  bool ret = false;
-  if (pl)
-    {
-      int i;
-      const unsigned int mask = OPENVPN_PLUGIN_MASK (type);
-      for (i = 0; i < pl->n; ++i)
-	{
-	  if (pl->plugins[i].plugin_type_mask & mask)
-	    {
-	      ret = true;
-	      break;
-	    }
-	}
-    }
-  return ret;
-}
-
-#else
-static void dummy(void) {}
-#endif /* ENABLE_PLUGIN */