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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 as published by *
* the Free Software Foundation; either version 3 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#pragma once
#include <string>
#include "dcpp/stdinc.h"
#include "dcpp/Singleton.h"
enum eDIRECTION {
eDIRECTION_IN = 0,
eDIRECTION_OUT,
eDIRECTION_BOTH
};
enum eTableAction {
etaDROP=0,
etaACPT
};
typedef struct _IPFilterElem {
uint32_t ip;
uint32_t mask;
eDIRECTION direction;
eTableAction action;
} IPFilterElem;
typedef std::unordered_map<uint32_t, IPFilterElem*> IPHash;
typedef std::vector<IPFilterElem*> IPList;
class IPFilter :
public dcpp::Singleton<IPFilter>
{
friend class dcpp::Singleton<IPFilter>;
public:
static uint32_t StringToUint32(const std::string&);
static std::string Uint32ToString(uint32_t);
static uint32_t MaskToCIDR(uint32_t);
static uint32_t MaskForBits(uint32_t);
static bool ParseString(std::string, uint32_t&, uint32_t&, eTableAction&);
void load();
void shutdown();
void loadList();
void saveList();
const IPList &getRules();
const IPHash &getHash ();
bool addToRules(const std::string &exp, eDIRECTION direction);
void remFromRules(std::string exp, eTableAction);
void changeRuleDirection(std::string exp, eDIRECTION, eTableAction);
void clearRules();
void moveRuleUp(uint32_t, eTableAction);
void moveRuleDown(uint32_t, eTableAction);
bool OK(const std::string &exp, eDIRECTION direction);
void exportTo(std::string path, std::string& error);
void importFrom(std::string path, std::string& error);
void step(uint32_t, eTableAction, bool down = true);
private:
IPFilter();
virtual ~IPFilter();
IPHash list_ip;
IPList rules;
};
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