mirror of
https://github.com/minetest/minetest.git
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142 lines
3.4 KiB
C++
142 lines
3.4 KiB
C++
/*
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Minetest
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Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "ban.h"
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#include <fstream>
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#include "threading/mutex_auto_lock.h"
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#include <sstream>
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#include <set>
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#include "util/strfnd.h"
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#include "util/string.h"
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#include "log.h"
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#include "filesys.h"
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BanManager::BanManager(const std::string &banfilepath):
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m_banfilepath(banfilepath)
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{
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try {
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load();
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} catch(SerializationError &e) {
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infostream << "BanManager: creating "
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<< m_banfilepath << std::endl;
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}
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}
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BanManager::~BanManager()
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{
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save();
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}
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void BanManager::load()
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{
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MutexAutoLock lock(m_mutex);
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infostream<<"BanManager: loading from "<<m_banfilepath<<std::endl;
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std::ifstream is(m_banfilepath.c_str(), std::ios::binary);
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if (!is.good()) {
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infostream<<"BanManager: failed loading from "<<m_banfilepath<<std::endl;
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throw SerializationError("BanManager::load(): Couldn't open file");
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}
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while (!is.eof() && is.good()) {
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std::string line;
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std::getline(is, line, '\n');
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Strfnd f(line);
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std::string ip = trim(f.next("|"));
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std::string name = trim(f.next("|"));
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if(!ip.empty()) {
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m_ips[ip] = name;
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}
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}
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m_modified = false;
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}
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void BanManager::save()
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{
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MutexAutoLock lock(m_mutex);
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infostream << "BanManager: saving to " << m_banfilepath << std::endl;
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std::ostringstream ss(std::ios_base::binary);
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for (const auto &ip : m_ips)
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ss << ip.first << "|" << ip.second << "\n";
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if (!fs::safeWriteToFile(m_banfilepath, ss.str())) {
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infostream << "BanManager: failed saving to " << m_banfilepath << std::endl;
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throw SerializationError("BanManager::save(): Couldn't write file");
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}
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m_modified = false;
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}
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bool BanManager::isIpBanned(const std::string &ip)
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{
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MutexAutoLock lock(m_mutex);
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return m_ips.find(ip) != m_ips.end();
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}
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std::string BanManager::getBanDescription(const std::string &ip_or_name)
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{
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MutexAutoLock lock(m_mutex);
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std::string s;
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for (const auto &ip : m_ips) {
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if (ip.first == ip_or_name || ip.second == ip_or_name
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|| ip_or_name.empty()) {
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s += ip.first + "|" + ip.second + ", ";
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}
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}
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s = s.substr(0, s.size() - 2);
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return s;
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}
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std::string BanManager::getBanName(const std::string &ip)
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{
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MutexAutoLock lock(m_mutex);
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StringMap::iterator it = m_ips.find(ip);
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if (it == m_ips.end())
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return "";
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return it->second;
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}
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void BanManager::add(const std::string &ip, const std::string &name)
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{
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MutexAutoLock lock(m_mutex);
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m_ips[ip] = name;
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m_modified = true;
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}
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void BanManager::remove(const std::string &ip_or_name)
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{
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MutexAutoLock lock(m_mutex);
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for (StringMap::iterator it = m_ips.begin(); it != m_ips.end();) {
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if ((it->first == ip_or_name) || (it->second == ip_or_name)) {
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m_ips.erase(it++);
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} else {
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++it;
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}
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}
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m_modified = true;
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}
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bool BanManager::isModified()
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{
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MutexAutoLock lock(m_mutex);
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return m_modified;
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}
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