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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2008 Craig Edwards <craigedwards@brainbox.cc>
*
* This file is part of InspIRCd. InspIRCd 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, version 2.
*
* 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. If not, see <http://www.gnu.org/licenses/>.
*/
/// $CompilerFlags: find_compiler_flags("geoip" "")
/// $LinkerFlags: find_linker_flags("geoip" "-lGeoIP")
/// $PackageInfo: require_system("centos" "7.0") GeoIP-devel pkgconfig
/// $PackageInfo: require_system("darwin") geoip pkg-config
/// $PackageInfo: require_system("debian") libgeoip-dev pkg-config
/// $PackageInfo: require_system("ubuntu") libgeoip-dev pkg-config
#include "inspircd.h"
#include "xline.h"
#include "modules/stats.h"
#include "modules/whois.h"
// Fix warnings about the use of commas at end of enumerator lists on C++03.
#if defined __clang__
# pragma clang diagnostic ignored "-Wc++11-extensions"
#elif defined __GNUC__
# if (__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 8))
# pragma GCC diagnostic ignored "-Wpedantic"
# else
# pragma GCC diagnostic ignored "-pedantic"
# endif
#endif
#include <GeoIP.h>
#ifdef _WIN32
# pragma comment(lib, "GeoIP.lib")
#endif
enum
{
// InspIRCd-specific.
RPL_WHOISCOUNTRY = 344
};
class ModuleGeoIP : public Module, public Stats::EventListener, public Whois::EventListener
{
StringExtItem ext;
bool extban;
GeoIP* ipv4db;
GeoIP* ipv6db;
std::string* SetExt(User* user)
{
const char* code = NULL;
switch (user->client_sa.family())
{
case AF_INET:
code = GeoIP_country_code_by_addr(ipv4db, user->GetIPString().c_str());
break;
case AF_INET6:
code = GeoIP_country_code_by_addr_v6(ipv6db, user->GetIPString().c_str());
break;
}
ext.set(user, code ? code : "UNK");
return ext.get(user);
}
public:
ModuleGeoIP()
: Stats::EventListener(this)
, Whois::EventListener(this)
, ext("geoip_cc", ExtensionItem::EXT_USER, this)
, extban(true)
, ipv4db(NULL)
, ipv6db(NULL)
{
}
void init() CXX11_OVERRIDE
{
ipv4db = GeoIP_open_type(GEOIP_COUNTRY_EDITION, GEOIP_STANDARD);
if (!ipv4db)
throw ModuleException("Unable to load the IPv4 GeoIP database. Are you missing GeoIP.dat?");
ipv6db = GeoIP_open_type(GEOIP_COUNTRY_EDITION_V6, GEOIP_STANDARD);
if (!ipv6db)
throw ModuleException("Unable to load the IPv6 GeoIP database. Are you missing GeoIPv6.dat?");
const UserManager::LocalList& list = ServerInstance->Users.GetLocalUsers();
for (UserManager::LocalList::const_iterator i = list.begin(); i != list.end(); ++i)
{
LocalUser* user = *i;
if ((user->registered == REG_ALL) && (!ext.get(user)))
{
SetExt(user);
}
}
}
~ModuleGeoIP()
{
if (ipv4db)
GeoIP_delete(ipv4db);
if (ipv6db)
GeoIP_delete(ipv6db);
}
void ReadConfig(ConfigStatus&) CXX11_OVERRIDE
{
ConfigTag* tag = ServerInstance->Config->ConfValue("geoip");
extban = tag->getBool("extban");
}
Version GetVersion() CXX11_OVERRIDE
{
return Version("Provides a way to assign users to connect classes by country using GeoIP lookup", VF_OPTCOMMON|VF_VENDOR);
}
void On005Numeric(std::map<std::string, std::string>& tokens) CXX11_OVERRIDE
{
if (extban)
tokens["EXTBAN"].push_back('G');
}
ModResult OnCheckBan(User* user, Channel*, const std::string& mask) CXX11_OVERRIDE
{
if (extban && (mask.length() > 2) && (mask[0] == 'G') && (mask[1] == ':'))
{
std::string* cc = ext.get(user);
if (!cc)
cc = SetExt(user);
if (InspIRCd::Match(*cc, mask.substr(2)))
return MOD_RES_DENY;
}
return MOD_RES_PASSTHRU;
}
ModResult OnSetConnectClass(LocalUser* user, ConnectClass* myclass) CXX11_OVERRIDE
{
std::string* cc = ext.get(user);
if (!cc)
cc = SetExt(user);
std::string geoip = myclass->config->getString("geoip");
if (geoip.empty())
return MOD_RES_PASSTHRU;
irc::commasepstream list(geoip);
std::string country;
while (list.GetToken(country))
if (country == *cc)
return MOD_RES_PASSTHRU;
return MOD_RES_DENY;
}
void OnSetUserIP(LocalUser* user) CXX11_OVERRIDE
{
// If user has sent NICK/USER, re-set the ExtItem as this is likely CGI:IRC changing the IP
if (user->registered == REG_NICKUSER)
SetExt(user);
}
void OnWhois(Whois::Context& whois) CXX11_OVERRIDE
{
// If the extban is disabled we don't expose users location.
if (!extban)
return;
std::string* cc = ext.get(whois.GetTarget());
if (!cc)
cc = SetExt(whois.GetTarget());
whois.SendLine(RPL_WHOISCOUNTRY, *cc, "is located in this country");
}
ModResult OnStats(Stats::Context& stats) CXX11_OVERRIDE
{
if (stats.GetSymbol() != 'G')
return MOD_RES_PASSTHRU;
unsigned int unknown = 0;
std::map<std::string, unsigned int> results;
const UserManager::LocalList& list = ServerInstance->Users.GetLocalUsers();
for (UserManager::LocalList::const_iterator i = list.begin(); i != list.end(); ++i)
{
std::string* cc = ext.get(*i);
if (cc)
results[*cc]++;
else
unknown++;
}
for (std::map<std::string, unsigned int>::const_iterator i = results.begin(); i != results.end(); ++i)
{
stats.AddRow(801, "GeoIPSTATS " + i->first + " " + ConvToStr(i->second));
}
if (unknown)
stats.AddRow(801, "GeoIPSTATS Unknown " + ConvToStr(unknown));
return MOD_RES_DENY;
}
};
MODULE_INIT(ModuleGeoIP)
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