BadVPN – Rev 1
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/*
* Copyright (C) Ambroz Bizjak <ambrop7@gmail.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the author nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
// name of the program
#define PROGRAM_NAME "tun2socks"
// size of temporary buffer for passing data from the SOCKS server to TCP for sending
#define CLIENT_SOCKS_RECV_BUF_SIZE 8192
// maximum number of udpgw connections
#define DEFAULT_UDPGW_MAX_CONNECTIONS 256
// udpgw per-connection send buffer size, in number of packets
#define DEFAULT_UDPGW_CONNECTION_BUFFER_SIZE 8
// udpgw reconnect time after connection fails
#define UDPGW_RECONNECT_TIME 5000
// udpgw keepalive sending interval
#define UDPGW_KEEPALIVE_TIME 10000
// option to override the destination addresses to give the SOCKS server
//#define OVERRIDE_DEST_ADDR "10.111.0.2:2000"
// Max number of buffered outgoing UDP packets for SOCKS5-UDP. It should be large
// enough to prevent packet loss while the SOCKS UDP association is being set up. A slow
// or far-away SOCKS server could require 300 ms to connect, and a chatty client (e.g.
// STUN) could send a packet every 20 ms, so a default limit of 16 seems reasonable.
#define SOCKS_UDP_SEND_BUFFER_PACKETS 16