/*
* OpenVPN -- An application to securely tunnel IP networks
* over a single TCP/UDP port, with support for SSL/TLS-based
* session authentication and key exchange,
* packet encryption, packet authentication, and
* packet compression.
*
* Copyright (C) 2002-2008 OpenVPN Solutions LLC <info@openvpn.net>
*
* 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 POOL_H
#define POOL_H
#if P2MP
/*#define IFCONFIG_POOL_TEST*/
#include "basic.h"
#include "status.h"
#include "thread.h"
#define IFCONFIG_POOL_MAX 65536
#define IFCONFIG_POOL_MIN_NETBITS 16
#define IFCONFIG_POOL_30NET 0
#define IFCONFIG_POOL_INDIV 1
struct ifconfig_pool_entry
{
bool in_use;
char *common_name;
time_t last_release;
bool fixed;
};
struct ifconfig_pool
{
in_addr_t base;
int size;
int type;
bool duplicate_cn;
struct ifconfig_pool_entry *list;
};
struct ifconfig_pool_persist
{
struct status_output *file;
bool fixed;
};
typedef int ifconfig_pool_handle;
struct ifconfig_pool *ifconfig_pool_init (int type, in_addr_t start, in_addr_t end, const bool duplicate_cn);
void ifconfig_pool_free (struct ifconfig_pool *pool);
bool ifconfig_pool_verify_range (const int msglevel, const in_addr_t start, const in_addr_t end);
ifconfig_pool_handle ifconfig_pool_acquire (struct ifconfig_pool *pool, in_addr_t *local, in_addr_t *remote, const char *common_name);
bool ifconfig_pool_release (struct ifconfig_pool* pool, ifconfig_pool_handle hand, const bool hard);
struct ifconfig_pool_persist *ifconfig_pool_persist_init (const char *filename, int refresh_freq);
void ifconfig_pool_persist_close (struct ifconfig_pool_persist *persist);
bool ifconfig_pool_write_trigger (struct ifconfig_pool_persist *persist);
void ifconfig_pool_read (struct ifconfig_pool_persist *persist, struct ifconfig_pool *pool);
void ifconfig_pool_write (struct ifconfig_pool_persist *persist, const struct ifconfig_pool *pool);
#ifdef IFCONFIG_POOL_TEST
void ifconfig_pool_test (in_addr_t start, in_addr_t end);
#endif
#endif
#endif
