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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
+ */
+
+#ifndef PS_H
+#define PS_H
+
+#if PORT_SHARE
+
+#include "basic.h"
+#include "buffer.h"
+#include "ssl.h"
+
+typedef void (*post_fork_cleanup_func_t)(void *arg);
+
+struct port_share {
+ /* Foreground's socket to background process */
+ socket_descriptor_t foreground_fd;
+
+ /* Process ID of background process */
+ pid_t background_pid;
+};
+
+extern struct port_share *port_share;
+
+struct port_share *port_share_open (const char *host,
+ const int port);
+
+void port_share_close (struct port_share *ps);
+void port_share_abort (struct port_share *ps);
+
+bool is_openvpn_protocol (const struct buffer *buf);
+
+void port_share_redirect (struct port_share *ps, const struct buffer *head, socket_descriptor_t sd);
+
+#endif
+#endif