1/* 2 * OpenVPN -- An application to securely tunnel IP networks 3 * over a single TCP/UDP port, with support for SSL/TLS-based 4 * session authentication and key exchange, 5 * packet encryption, packet authentication, and 6 * packet compression. 7 * 8 * Copyright (C) 2002-2010 OpenVPN Technologies, Inc. <sales@openvpn.net> 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License version 2 12 * as published by the Free Software Foundation. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program (see the file COPYING included with this 21 * distribution); if not, write to the Free Software Foundation, Inc., 22 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23 */ 24 25#ifndef PS_H 26#define PS_H 27 28#if PORT_SHARE 29 30#include "basic.h" 31#include "buffer.h" 32#include "ssl.h" 33 34typedef void (*post_fork_cleanup_func_t)(void *arg); 35 36struct port_share { 37 /* Foreground's socket to background process */ 38 socket_descriptor_t foreground_fd; 39 40 /* Process ID of background process */ 41 pid_t background_pid; 42}; 43 44extern struct port_share *port_share; 45 46struct port_share *port_share_open (const char *host, 47 const int port, 48 const int max_initial_buf, 49 const char *journal_dir); 50 51void port_share_close (struct port_share *ps); 52void port_share_abort (struct port_share *ps); 53 54bool is_openvpn_protocol (const struct buffer *buf); 55 56void port_share_redirect (struct port_share *ps, const struct buffer *head, socket_descriptor_t sd); 57 58#endif 59#endif 60