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) 2002-2018 OpenVPN 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 along 20 * with this program; if not, write to the Free Software Foundation, Inc., 21 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 22 */ 23 24 #ifndef COMMON_H 25 #define COMMON_H 26 27 /* 28 * Statistics counters and associated printf format. 29 */ 30 typedef uint64_t counter_type; 31 #define counter_format "%" PRIu64 32 33 /* 34 * Time intervals 35 */ 36 typedef int interval_t; 37 38 /* 39 * Used as an upper bound for timeouts. 40 */ 41 #define BIG_TIMEOUT (60*60*24*7) /* one week (in seconds) */ 42 43 /* 44 * Printf formats for special types 45 */ 46 #ifdef _WIN64 47 #define ptr_format "0x%016" PRIx64 48 #else 49 #define ptr_format "0x%08lx" 50 #endif 51 #define fragment_header_format "0x%08x" 52 53 /* these are used to cast the arguments 54 * and MUST match the formats above */ 55 #ifdef _WIN64 56 typedef unsigned long long ptr_type; 57 #else 58 typedef unsigned long ptr_type; 59 #endif 60 61 /* the --client-config-dir default file */ 62 #define CCD_DEFAULT "DEFAULT" 63 64 /* 65 * This parameter controls the TLS channel buffer size and the 66 * maximum size of a single TLS message (cleartext). 67 * This parameter must be >= PUSH_BUNDLE_SIZE 68 */ 69 #define TLS_CHANNEL_BUF_SIZE 2048 70 71 /* 72 * This parameter controls the maximum size of a bundle 73 * of pushed options. 74 */ 75 #define PUSH_BUNDLE_SIZE 1024 76 77 /* 78 * In how many seconds does client re-send PUSH_REQUEST if we haven't yet received a reply 79 */ 80 #define PUSH_REQUEST_INTERVAL 5 81 82 /* 83 * Script security warning 84 */ 85 #define SCRIPT_SECURITY_WARNING "WARNING: External program may not be called unless '--script-security 2' or higher is enabled. See --help text or man page for detailed info." 86 87 #endif /* ifndef COMMON_H */ 88