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-rw-r--r--plugin.h101
1 files changed, 101 insertions, 0 deletions
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+/*
+ * 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
+ */
+
+/*
+ * plug-in support, using dynamically loaded libraries
+ */
+
+#ifndef OPENVPN_PLUGIN_H
+#define OPENVPN_PLUGIN_H
+
+#include "openvpn-plugin.h"
+
+#ifdef ENABLE_PLUGIN
+
+#include "misc.h"
+
+#define MAX_PLUGINS 32
+
+struct plugin_option {
+ const char *so_pathname;
+ const char *args;
+};
+
+struct plugin_option_list {
+ int n;
+ struct plugin_option plugins[MAX_PLUGINS];
+};
+
+struct plugin {
+ const char *so_pathname;
+ unsigned int plugin_type_mask;
+#if defined(USE_LIBDL)
+ void *handle;
+#elif defined(USE_LOAD_LIBRARY)
+ HMODULE module;
+#endif
+ openvpn_plugin_open_v1 open;
+ openvpn_plugin_func_v1 func;
+ openvpn_plugin_close_v1 close;
+ openvpn_plugin_abort_v1 abort;
+
+ openvpn_plugin_handle_t plugin_handle;
+};
+
+struct plugin_list {
+ int n;
+ struct plugin plugins[MAX_PLUGINS];
+};
+
+struct plugin_option_list *plugin_option_list_new (struct gc_arena *gc);
+bool plugin_option_list_add (struct plugin_option_list *list, const char *so_pathname, const char *args);
+
+#ifdef ENABLE_DEBUG
+void plugin_option_list_print (const struct plugin_option_list *list, int msglevel);
+#endif
+
+struct plugin_list *plugin_list_open (const struct plugin_option_list *list, const struct env_set *es);
+int plugin_call (const struct plugin_list *pl, const int type, const char *args, struct env_set *es);
+void plugin_list_close (struct plugin_list *pl);
+bool plugin_defined (const struct plugin_list *pl, const int type);
+
+#else
+
+struct plugin_list { int dummy; };
+
+static inline bool
+plugin_defined (const struct plugin_list *pl, const int type)
+{
+ return false;
+}
+
+static inline int
+plugin_call (const struct plugin_list *pl, const int type, const char *args, struct env_set *es)
+{
+ return 0;
+}
+
+#endif /* ENABLE_PLUGIN */
+
+#endif /* OPENVPN_PLUGIN_H */