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/* ---------------------------------------------------------------------------
* couriergrey - Greylisting filter for Courier
* Copyright (C) 2007-2012 Matthias Wimmer <m@tthias.eu>
*
* 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 2 of the License, or
* (at your option) any later version.
*
* 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 Library General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
* ---------------------------------------------------------------------------
* vi: sw=4:tabstop=8
*/
#ifndef WHITELIST_H
#define WHITELIST_H
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stddef.h>
#include <string>
#include <glibmm.h>
#include <list>
#include <sys/socket.h>
#include <netinet/in.h>
#ifndef N_
# define N_(n) (n)
#endif
namespace couriergrey {
/**
* class storing IP address ranges, that are whitelisted
*/
class whitelist {
public:
/**
* create a whitelist instance
*/
whitelist(std::string const& whitelistfile);
/**
* check if an address is whitelisted
*/
bool is_whitelisted(Glib::ustring const& address) const;
/**
* dump the whitelist to std::clog
*/
void dump() const;
private:
/**
* filename of the whitelist
*/
std::string whitelistfile;
/**
* list of whitelisted addresses
*/
std::list< std::pair<struct ::in6_addr, int> > whitelisted_addresses;
/**
* compare two IPv6 addresses if they are in the same network
*/
bool is_in_same_net(struct ::in6_addr const& addr1, struct ::in6_addr const& addr2, int netsize) const;
/**
* convert textual address to IPv6 binary address
*
* @throws std::invalid_argument if address is not valid
*/
struct ::in6_addr parse_address(Glib::ustring const& address) const;
/**
* parse the whitelist
*/
void parse_whitelist();
};
}
#endif // WHITELIST_H
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