openvpn/gremlin.h
james 6fbf66fad3 This is the start of the BETA21 branch.
It includes the --topology feature, and
TAP-Win32 driver changes to allow
non-admin access.



git-svn-id: http://svn.openvpn.net/projects/openvpn/branches/BETA21/openvpn@580 e7ae566f-a301-0410-adde-c780ea21d3b5
2005-09-26 05:28:27 +00:00

71 lines
2.4 KiB
C

/*
* OpenVPN -- An application to securely tunnel IP networks
* over a single 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 GREMLIN_H
#define GREMLIN_H
#ifdef ENABLE_DEBUG
/*
* Gremlin options, presented as bitmask argument to --gremlin directive
*/
#define GREMLIN_CONNECTION_FLOOD_SHIFT (0)
#define GREMLIN_CONNECTION_FLOOD_MASK (0x07)
#define GREMLIN_PACKET_FLOOD_SHIFT (3)
#define GREMLIN_PACKET_FLOOD_MASK (0x03)
#define GREMLIN_CORRUPT_SHIFT (5)
#define GREMLIN_CORRUPT_MASK (0x03)
#define GREMLIN_UP_DOWN_SHIFT (7)
#define GREMLIN_UP_DOWN_MASK (0x03)
#define GREMLIN_DROP_SHIFT (9)
#define GREMLIN_DROP_MASK (0x03)
/* extract gremlin parms */
#define GREMLIN_CONNECTION_FLOOD_LEVEL(x) (((x)>>GREMLIN_CONNECTION_FLOOD_SHIFT) & GREMLIN_CONNECTION_FLOOD_MASK)
#define GREMLIN_PACKET_FLOOD_LEVEL(x) (((x)>>GREMLIN_PACKET_FLOOD_SHIFT) & GREMLIN_PACKET_FLOOD_MASK)
#define GREMLIN_CORRUPT_LEVEL(x) (((x)>>GREMLIN_CORRUPT_SHIFT) & GREMLIN_CORRUPT_MASK)
#define GREMLIN_UP_DOWN_LEVEL(x) (((x)>>GREMLIN_UP_DOWN_SHIFT) & GREMLIN_UP_DOWN_MASK)
#define GREMLIN_DROP_LEVEL(x) (((x)>>GREMLIN_DROP_SHIFT) & GREMLIN_DROP_MASK)
#include "buffer.h"
struct packet_flood_parms
{
int n_packets;
int packet_size;
};
bool ask_gremlin (int flags);
void corrupt_gremlin (struct buffer* buf, int flags);
struct packet_flood_parms get_packet_flood_parms (int level);
#endif
#endif