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/*
* anytun
*
* The secure anycast tunneling protocol (satp) defines a protocol used
* for communication between any combination of unicast and anycast
* tunnel endpoints. It has less protocol overhead than IPSec in Tunnel
* mode and allows tunneling of every ETHER TYPE protocol (e.g.
* ethernet, ip, arp ...). satp directly includes cryptography and
* message authentication based on the methodes used by SRTP. It is
* intended to deliver a generic, scaleable and secure solution for
* tunneling and relaying of packets of any protocol.
*
*
* Copyright (C) 2007-2008 Othmar Gsenger, Erwin Nindl,
* Christian Pointner <satp@wirdorange.org>
*
* This file is part of Anytun.
*
* Anytun is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* Anytun 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 anytun. If not, see <http://www.gnu.org/licenses/>.
*/
#include <iostream>
#include <windows.h>
#include "winService.h"
#include "../log.h"
#include "../threadUtils.hpp"
WinService* WinService::inst = NULL;
Mutex WinService::instMutex;
WinService& gWinService = WinService::instance();
WinService& WinService::instance()
{
Lock lock(instMutex);
static instanceCleaner c;
if(!inst)
inst = new WinService();
return *inst;
}
WinService::~WinService()
{
if(started_)
CloseHandle(exit_event_);
}
void WinService::install()
{
SC_HANDLE schSCManager;
SC_HANDLE schService;
char szPath[MAX_PATH];
if(!GetModuleFileNameA(NULL, szPath, MAX_PATH)) {
std::stringstream msg;
msg << "Error on GetModuleFileName: " << LogErrno(GetLastError());
throw std::runtime_error(msg.str());
}
schSCManager = OpenSCManagerA(NULL, NULL, SC_MANAGER_ALL_ACCESS);
if(NULL == schSCManager) {
std::stringstream msg;
msg << "Error on OpenSCManager: " << LogErrno(GetLastError());
throw std::runtime_error(msg.str());
}
schService = CreateServiceA(schSCManager, name_.c_str(), name_.c_str(), SERVICE_ALL_ACCESS, SERVICE_WIN32_OWN_PROCESS,
SERVICE_DEMAND_START, SERVICE_ERROR_NORMAL, szPath, NULL, NULL, NULL, NULL, NULL); // no password
if(schService == NULL) {
CloseServiceHandle(schSCManager);
std::stringstream msg;
msg << "Error on CreateService: " << LogErrno(GetLastError());
throw std::runtime_error(msg.str());
}
std::cout << "Service installed successfully" << std::endl;
CloseServiceHandle(schService);
CloseServiceHandle(schSCManager);
}
void WinService::start()
{
if(started_)
throw std::runtime_error("Service already started");
SERVICE_TABLE_ENTRY DispatchTable[] = {
{(LPSTR)name_.c_str(), (LPSERVICE_MAIN_FUNCTION)WinService::main },
{NULL, NULL}
};
if(!StartServiceCtrlDispatcherA(DispatchTable)) {
std::stringstream msg;
msg << "Error on StartServiceCtrlDispatcher: " << LogErrno(GetLastError());
throw std::runtime_error(msg.str());
}
}
void WinService::waitForExit()
{
if(started_)
throw std::runtime_error("Service not started correctly");
WaitForSingleObject(exit_event_, INFINITE);
reportStatus(SERVICE_STOP_PENDING, NO_ERROR);
}
void WinService::stop()
{
if(started_)
throw std::runtime_error("Service not started correctly");
reportStatus(SERVICE_STOPPED, NO_ERROR);
}
VOID WINAPI WinService::main(DWORD dwArgc, LPTSTR *lpszArgv)
{
gWinService.status_handle_ = RegisterServiceCtrlHandlerA(gWinService.name_.c_str(), WinService::ctrlHandler);
if(!gWinService.status_handle_) {
cLog.msg(Log::PRIO_ERR) << "Error on RegisterServiceCtrlHandler: " << LogErrno(GetLastError());
return;
}
gWinService.status_.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
gWinService.status_.dwServiceSpecificExitCode = 0;
gWinService.reportStatus(SERVICE_START_PENDING, NO_ERROR);
gWinService.exit_event_ = CreateEvent(NULL, true, false, NULL);
if(!gWinService.exit_event_) {
cLog.msg(Log::PRIO_ERR) << "Error on CreateEvent: " << LogErrno(GetLastError());
gWinService.reportStatus(SERVICE_STOPPED, -1);
return;
}
gWinService.started_ = true;
gWinService.reportStatus(SERVICE_RUNNING, NO_ERROR);
}
VOID WINAPI WinService::ctrlHandler(DWORD dwCtrl)
{
}
void WinService::reportStatus(DWORD dwCurrentState, DWORD dwWin32ExitCode, DWORD dwWaitHint)
{
static DWORD dwCheckPoint = 1;
status_.dwCurrentState = dwCurrentState;
status_.dwWin32ExitCode = dwWin32ExitCode;
status_.dwWaitHint = dwWaitHint;
if((dwCurrentState == SERVICE_START_PENDING) ||
(dwCurrentState == SERVICE_STOP_PENDING))
status_.dwControlsAccepted = 0;
else
status_.dwControlsAccepted = SERVICE_ACCEPT_STOP;
if((dwCurrentState == SERVICE_RUNNING) ||
(dwCurrentState == SERVICE_STOPPED))
status_.dwCheckPoint = 0;
else
status_.dwCheckPoint = dwCheckPoint++;
SetServiceStatus(status_handle_, &status_);
}
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