From bd379231f2d4b22b473fd7f428e518462fb7476a Mon Sep 17 00:00:00 2001 From: Christian Pointner Date: Sat, 16 Jun 2007 01:08:34 +0000 Subject: added all the openvpn stuff --- openvpn/forward.h | 84 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 openvpn/forward.h (limited to 'openvpn/forward.h') diff --git a/openvpn/forward.h b/openvpn/forward.h new file mode 100644 index 0000000..1d37aae --- /dev/null +++ b/openvpn/forward.h @@ -0,0 +1,84 @@ +/* + * 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 + * + * 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 FORWARD_H +#define FORWARD_H + +#include "openvpn.h" +#include "occ.h" +#include "ping.h" + +#define TUN_OUT(c) (BLEN(&(c)->c2.to_tun) > 0) +#define LINK_OUT(c) (BLEN(&(c)->c2.to_link) > 0) +#define ANY_OUT(c) (TUN_OUT(c) || LINK_OUT(c)) + +#ifdef ENABLE_FRAGMENT +#define TO_LINK_FRAG(c) ((c)->c2.fragment && fragment_outgoing_defined ((c)->c2.fragment)) +#else +#define TO_LINK_FRAG(c) (false) +#endif + +#define TO_LINK_DEF(c) (LINK_OUT(c) || TO_LINK_FRAG(c)) + +#define IOW_TO_TUN (1<<0) +#define IOW_TO_LINK (1<<1) +#define IOW_READ_TUN (1<<2) +#define IOW_READ_LINK (1<<3) +#define IOW_SHAPER (1<<4) +#define IOW_CHECK_RESIDUAL (1<<5) +#define IOW_FRAG (1<<6) +#define IOW_MBUF (1<<7) +#define IOW_READ_TUN_FORCE (1<<8) +#define IOW_WAIT_SIGNAL (1<<9) + +#define IOW_READ (IOW_READ_TUN|IOW_READ_LINK) + +void pre_select (struct context *c); + +void process_io (struct context *c); + +void encrypt_sign (struct context *c, bool comp_frag); + +const char *wait_status_string (struct context *c, struct gc_arena *gc); +void show_wait_status (struct context *c); + +void read_incoming_link (struct context *c); +void process_incoming_link (struct context *c); +void read_incoming_tun (struct context *c); +void process_incoming_tun (struct context *c); +void process_outgoing_link (struct context *c); +void process_outgoing_tun (struct context *c); + +bool send_control_channel_string (struct context *c, const char *str, int msglevel); + +#define PIPV4_PASSTOS (1<<0) +#define PIPV4_MSSFIX (1<<1) + +void process_ipv4_header (struct context *c, unsigned int flags, struct buffer *buf); + +#if P2MP +void schedule_exit (struct context *c, const int n_seconds); +#endif + +#endif /* FORWARD_H */ -- cgit v1.2.3