common.h
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 /*
  *  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.
  *
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  *  Copyright (C) 2002-2010 OpenVPN Technologies, Inc. <sales@openvpn.net>
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  *
  *  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 COMMON_H
 #define COMMON_H
 
 /*
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  * Statistics counters and associated printf formats.
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  */
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 #ifdef USE_64_BIT_COUNTERS
   typedef unsigned long long int counter_type;
 # ifdef WIN32
 #  define counter_format  "%I64u"
 # else
 #  define counter_format  "%llu"
 # endif
 #else
   typedef unsigned int counter_type;
 # define counter_format   "%u"
 #endif
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 /*
  * Time intervals
  */
 typedef int interval_t;
 
 /*
  * Used as an upper bound for timeouts.
  */
 #define BIG_TIMEOUT  (60*60*24*7)  /* one week (in seconds) */
 
 /*
  * Printf formats for special types
  */
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 #ifdef _WIN64
 #define ptr_format              "0x%I64x"
 #else
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 #define ptr_format              "0x%08lx"
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 #endif
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 #define time_format             "%lu"
 #define fragment_header_format  "0x%08x"
 
 /* these are used to cast the arguments
  * and MUST match the formats above */
 typedef unsigned long time_type;
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 #ifdef _WIN64
 typedef unsigned long long ptr_type;
 #else
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 typedef unsigned long ptr_type;
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 #endif
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 /* the --client-config-dir default file */
 #define CCD_DEFAULT "DEFAULT"
 
 /*
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  * This parameter controls the TLS channel buffer size and the
  * maximum size of a single TLS message (cleartext).
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  * This parameter must be >= PUSH_BUNDLE_SIZE
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  */
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 #define TLS_CHANNEL_BUF_SIZE 2048
 
 /*
  * This parameter controls the maximum size of a bundle
  * of pushed options.
  */
 #define PUSH_BUNDLE_SIZE 1024
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 /*
  * A sort of pseudo-filename for data provided inline within
  * the configuration file.
  */
 #if ENABLE_INLINE_FILES
 #define INLINE_FILE_TAG "[[INLINE]]"
 #endif
 
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 /*
  * Script security warning
  */
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 #define SCRIPT_SECURITY_WARNING "WARNING: External program may not be called unless '--script-security 2' or higher is enabled.  Use '--script-security 3 system' for backward compatibility with 2.1_rc8 and earlier.  See --help text or man page for detailed info."
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 #endif