--- /dev/null
+/*
+ * 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 General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/*
+ * Author : Boris Mikhailenko <stg34@stargazer.dp.ua>
+ * Author : Maxim Mamontov <faust@stargazer.dp.ua>
+ */
+
+#pragma once
+
+#include "stg/plugin.h"
+#include "stg/module_settings.h"
+#include "stg/notifer.h"
+#include "stg/user.h"
+#include "stg/blowfish.h"
+#include "stg/rs_packets.h"
+#include "stg/logger.h"
+
+#include "nrmap_parser.h"
+
+#include <string>
+#include <list>
+#include <map>
+#include <functional>
+#include <utility>
+#include <cstdint>
+
+#include <pthread.h>
+
+namespace STG
+{
+struct Settings;
+struct Settings;
+}
+
+namespace RS
+{
+
+class REMOTE_SCRIPT;
+class UpdateRouter;
+class DisconnectUser;
+
+using UserPtr = STG::User*;
+
+//-----------------------------------------------------------------------------
+class ADD_USER_NONIFIER: public STG::NotifierBase<UserPtr> {
+public:
+ explicit ADD_USER_NONIFIER(REMOTE_SCRIPT & r)
+ : rs(r) {}
+ void Notify(const UserPtr & user);
+
+private:
+ ADD_USER_NONIFIER(const ADD_USER_NONIFIER & rhs);
+ ADD_USER_NONIFIER & operator=(const ADD_USER_NONIFIER);
+
+ REMOTE_SCRIPT & rs;
+};
+//-----------------------------------------------------------------------------
+class DEL_USER_NONIFIER: public STG::NotifierBase<UserPtr> {
+public:
+ explicit DEL_USER_NONIFIER(REMOTE_SCRIPT & r)
+ : rs(r) {}
+ void Notify(const UserPtr & user);
+
+private:
+ DEL_USER_NONIFIER(const DEL_USER_NONIFIER & rhs);
+ DEL_USER_NONIFIER & operator=(const DEL_USER_NONIFIER);
+
+ REMOTE_SCRIPT & rs;
+};
+//-----------------------------------------------------------------------------
+class IP_NOTIFIER: public STG::PropertyNotifierBase<uint32_t> {
+public:
+ IP_NOTIFIER(REMOTE_SCRIPT & r, UserPtr u)
+ : user(u), rs(r) { user->AddCurrIPAfterNotifier(this); }
+ IP_NOTIFIER(const IP_NOTIFIER & rhs)
+ : user(rhs.user), rs(rhs.rs) { user->AddCurrIPAfterNotifier(this); }
+ ~IP_NOTIFIER() { user->DelCurrIPAfterNotifier(this); }
+
+ IP_NOTIFIER & operator=(const IP_NOTIFIER & rhs)
+ {
+ user->DelCurrIPAfterNotifier(this);
+ user = rhs.user;
+ user->AddCurrIPAfterNotifier(this);
+ return *this;
+ }
+
+ void Notify(const uint32_t & oldValue, const uint32_t & newValue);
+ UserPtr GetUser() const { return user; }
+
+private:
+
+ UserPtr user;
+ REMOTE_SCRIPT & rs;
+};
+//-----------------------------------------------------------------------------
+class CONNECTED_NOTIFIER: public STG::PropertyNotifierBase<bool> {
+public:
+ CONNECTED_NOTIFIER(REMOTE_SCRIPT & r, UserPtr u)
+ : user(u), rs(r) { user->AddConnectedAfterNotifier(this); }
+ CONNECTED_NOTIFIER(const CONNECTED_NOTIFIER & rhs)
+ : user(rhs.user), rs(rhs.rs) { user->AddConnectedAfterNotifier(this); }
+ ~CONNECTED_NOTIFIER() { user->DelConnectedAfterNotifier(this); }
+
+ CONNECTED_NOTIFIER & operator=(const CONNECTED_NOTIFIER & rhs)
+ {
+ user->DelConnectedAfterNotifier(this);
+ user = rhs.user;
+ user->AddConnectedAfterNotifier(this);
+ return *this;
+ }
+
+ void Notify(const bool & oldValue, const bool & newValue);
+ UserPtr GetUser() const { return user; }
+
+private:
+
+ UserPtr user;
+ REMOTE_SCRIPT & rs;
+};
+//-----------------------------------------------------------------------------
+struct USER {
+ USER(const std::vector<uint32_t> & r, UserPtr it)
+ : lastSentTime(0),
+ user(it),
+ routers(r),
+ shortPacketsCount(0),
+ ip(user->GetCurrIP())
+ {}
+
+ time_t lastSentTime;
+ UserPtr user;
+ std::vector<uint32_t> routers;
+ int shortPacketsCount;
+ uint32_t ip;
+};
+//-----------------------------------------------------------------------------
+class SETTINGS {
+public:
+ SETTINGS();
+ virtual ~SETTINGS() {}
+ const std::string & GetStrError() const { return errorStr; }
+ int ParseSettings(const STG::ModuleSettings & s);
+ int GetSendPeriod() const { return sendPeriod; }
+ uint16_t GetPort() const { return port; }
+ const std::vector<NET_ROUTER> & GetSubnetsMap() const { return netRouters; }
+ const std::vector<std::string> & GetUserParams() const { return userParams; }
+ const std::string & GetPassword() const { return password; }
+ const std::string & GetMapFileName() const { return subnetFile; }
+
+private:
+ int sendPeriod;
+ uint16_t port;
+ std::string errorStr;
+ std::vector<NET_ROUTER> netRouters;
+ std::vector<std::string> userParams;
+ std::string password;
+ std::string subnetFile;
+};
+//-----------------------------------------------------------------------------
+class REMOTE_SCRIPT : public STG::Plugin {
+public:
+ REMOTE_SCRIPT();
+ ~REMOTE_SCRIPT() override;
+
+ void SetUsers(STG::Users * u) override { users = u; }
+ void SetSettings(const STG::ModuleSettings & s) override { settings = s; }
+ int ParseSettings() override;
+
+ int Start() override;
+ int Stop() override;
+ int Reload(const STG::ModuleSettings & ms) override;
+ bool IsRunning() override { return isRunning; }
+
+ const std::string & GetStrError() const override { return errorStr; }
+ std::string GetVersion() const override { return "Remote script v 0.3"; }
+ uint16_t GetStartPosition() const override { return 10; }
+ uint16_t GetStopPosition() const override { return 10; }
+
+ void DelUser(UserPtr u) { UnSetUserNotifiers(u); }
+ void AddUser(UserPtr u) { SetUserNotifiers(u); }
+
+ void AddRSU(UserPtr user);
+ void DelRSU(UserPtr user);
+
+private:
+ REMOTE_SCRIPT(const REMOTE_SCRIPT & rhs);
+ REMOTE_SCRIPT & operator=(const REMOTE_SCRIPT & rhs);
+
+ static void * Run(void *);
+ bool PrepareNet();
+ bool FinalizeNet();
+
+ bool Send(USER & rsu, bool forceDisconnect = false) const;
+ bool SendDirect(USER & rsu, uint32_t routerIP, bool forceDisconnect = false) const;
+ bool PreparePacket(char * buf, size_t bufSize, USER &rsu, bool forceDisconnect = false) const;
+ void PeriodicSend();
+
+ std::vector<uint32_t> IP2Routers(uint32_t ip);
+ bool GetUsers();
+
+ void SetUserNotifiers(UserPtr u);
+ void UnSetUserNotifiers(UserPtr u);
+
+ void InitEncrypt(BLOWFISH_CTX * ctx, const std::string & password) const;
+ void Encrypt(BLOWFISH_CTX * ctx, void * dst, const void * src, size_t len8) const;
+
+ mutable BLOWFISH_CTX ctx;
+
+ std::list<IP_NOTIFIER> ipNotifierList;
+ std::list<CONNECTED_NOTIFIER> connNotifierList;
+ std::map<uint32_t, USER> authorizedUsers;
+
+ mutable std::string errorStr;
+ SETTINGS rsSettings;
+ STG::ModuleSettings settings;
+ int sendPeriod;
+ int halfPeriod;
+
+ bool nonstop;
+ bool isRunning;
+
+ STG::Users * users;
+
+ std::vector<NET_ROUTER> netRouters;
+
+ pthread_t thread;
+ pthread_mutex_t mutex;
+
+ int sock;
+
+ ADD_USER_NONIFIER onAddUserNotifier;
+ DEL_USER_NONIFIER onDelUserNotifier;
+
+ STG::PluginLogger logger;
+
+ friend class RS::UpdateRouter;
+ friend class RS::DisconnectUser;
+ friend class RS::CONNECTED_NOTIFIER;
+};
+//-----------------------------------------------------------------------------
+class DisconnectUser : public std::unary_function<std::pair<const uint32_t, USER> &, void> {
+ public:
+ explicit DisconnectUser(REMOTE_SCRIPT & rs) : rscript(rs) {}
+ void operator()(std::pair<const uint32_t, USER> & p)
+ {
+ rscript.Send(p.second, true);
+ }
+ private:
+ REMOTE_SCRIPT & rscript;
+};
+//-----------------------------------------------------------------------------
+inline void ADD_USER_NONIFIER::Notify(const UserPtr & user)
+{
+rs.AddUser(user);
+}
+//-----------------------------------------------------------------------------
+inline void DEL_USER_NONIFIER::Notify(const UserPtr & user)
+{
+rs.DelUser(user);
+}
+//-----------------------------------------------------------------------------
+
+} // namespace RS