release/src/router/openvpn/common.h

   1 /*
   2  *  OpenVPN -- An application to securely tunnel IP networks
   3  *             over a single 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) 2002-2009 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 COMMON_H
  26 #define COMMON_H
  27
  28 /*
  29  * Statistics counters and associated printf formats.
  30  */
  31 #ifdef USE_64_BIT_COUNTERS
  32   typedef unsigned long long int counter_type;
  33 # ifdef WIN32
  34 #  define counter_format  "%I64u"
  35 # else
  36 #  define counter_format  "%llu"
  37 # endif
  38 #else
  39   typedef unsigned int counter_type;
  40 # define counter_format   "%u"
  41 #endif
  42
  43 /*
  44  * Time intervals
  45  */
  46 typedef int interval_t;
  47
  48 /*
  49  * Used as an upper bound for timeouts.
  50  */
  51 #define BIG_TIMEOUT  (60*60*24*7)  /* one week (in seconds) */
  52
  53 /*
  54  * Printf formats for special types
  55  */
  56 #ifdef _WIN64
  57 #define ptr_format              "0x%I64x"
  58 #else
  59 #define ptr_format              "0x%08lx"
  60 #endif
  61 #define time_format             "%lu"
  62 #define fragment_header_format  "0x%08x"
  63
  64 /* these are used to cast the arguments
  65  * and MUST match the formats above */
  66 typedef unsigned long time_type;
  67 #ifdef _WIN64
  68 typedef unsigned long long ptr_type;
  69 #else
  70 typedef unsigned long ptr_type;
  71 #endif
  72
  73 /* the --client-config-dir default file */
  74 #define CCD_DEFAULT "DEFAULT"
  75
  76 /*
  77  * This parameter controls the TLS channel buffer size and the
  78  * maximum size of a single TLS message (cleartext).
  79  */
  80 #define TLS_CHANNEL_BUF_SIZE 1024
  81
  82 /*
  83  * A sort of pseudo-filename for data provided inline within
  84  * the configuration file.
  85  */
  86 #if ENABLE_INLINE_FILES
  87 #define INLINE_FILE_TAG "[[INLINE]]"
  88 #endif
  89
  90 /*
  91  * Script security warning
  92  */
  93 #define SCRIPT_SECURITY_WARNING "openvpn_execve: 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."
  94
  95 #endif