1/* 2 * OpenVPN -- An application to securely tunnel IP networks 3 * over a single TCP/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) 2002-2010 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 POOL_H 26#define POOL_H 27 28#if P2MP 29 30/*#define IFCONFIG_POOL_TEST*/ 31 32#include "basic.h" 33#include "status.h" 34 35#define IFCONFIG_POOL_MAX 65536 36#define IFCONFIG_POOL_MIN_NETBITS 16 37 38#define IFCONFIG_POOL_30NET 0 39#define IFCONFIG_POOL_INDIV 1 40 41struct ifconfig_pool_entry 42{ 43 bool in_use; 44 char *common_name; 45 time_t last_release; 46 bool fixed; 47}; 48 49struct ifconfig_pool 50{ 51 in_addr_t base; 52 int size; 53 int type; 54 bool duplicate_cn; 55 bool ipv6; 56 struct in6_addr base_ipv6; 57 unsigned int size_ipv6; 58 struct ifconfig_pool_entry *list; 59}; 60 61struct ifconfig_pool_persist 62{ 63 struct status_output *file; 64 bool fixed; 65}; 66 67typedef int ifconfig_pool_handle; 68 69struct ifconfig_pool *ifconfig_pool_init (int type, in_addr_t start, in_addr_t end, const bool duplicate_cn, const bool ipv6_pool, const struct in6_addr ipv6_base, const int ipv6_netbits ); 70 71void ifconfig_pool_free (struct ifconfig_pool *pool); 72 73bool ifconfig_pool_verify_range (const int msglevel, const in_addr_t start, const in_addr_t end); 74 75ifconfig_pool_handle ifconfig_pool_acquire (struct ifconfig_pool *pool, in_addr_t *local, in_addr_t *remote, struct in6_addr *remote_ipv6, const char *common_name); 76 77bool ifconfig_pool_release (struct ifconfig_pool* pool, ifconfig_pool_handle hand, const bool hard); 78 79struct ifconfig_pool_persist *ifconfig_pool_persist_init (const char *filename, int refresh_freq); 80void ifconfig_pool_persist_close (struct ifconfig_pool_persist *persist); 81bool ifconfig_pool_write_trigger (struct ifconfig_pool_persist *persist); 82 83void ifconfig_pool_read (struct ifconfig_pool_persist *persist, struct ifconfig_pool *pool); 84void ifconfig_pool_write (struct ifconfig_pool_persist *persist, const struct ifconfig_pool *pool); 85 86#ifdef IFCONFIG_POOL_TEST 87void ifconfig_pool_test (in_addr_t start, in_addr_t end); 88#endif 89 90#endif 91#endif 92