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#ifdef _WIN32
#define _CRT_SECURE_NO_WARNINGS // to use freopen
#endif
#include "Win32Service.h"
#include <assert.h>
#include <strsafe.h>
#include <windows.h>
#include "Daemon.h"
#include "Log.h"
I2PService *I2PService::s_service = NULL;
BOOL I2PService::isService()
{
BOOL bIsService = FALSE;
HWINSTA hWinStation = GetProcessWindowStation();
if (hWinStation != NULL)
{
USEROBJECTFLAGS uof = { 0 };
if (GetUserObjectInformation(hWinStation, UOI_FLAGS, &uof, sizeof(USEROBJECTFLAGS), NULL) && ((uof.dwFlags & WSF_VISIBLE) == 0))
{
bIsService = TRUE;
}
}
return bIsService;
}
BOOL I2PService::Run(I2PService &service)
{
s_service = &service;
SERVICE_TABLE_ENTRY serviceTable[] =
{
{ service.m_name, ServiceMain },
{ NULL, NULL }
};
return StartServiceCtrlDispatcher(serviceTable);
}
void WINAPI I2PService::ServiceMain(DWORD dwArgc, PSTR *pszArgv)
{
assert(s_service != NULL);
s_service->m_statusHandle = RegisterServiceCtrlHandler(
s_service->m_name, ServiceCtrlHandler);
if (s_service->m_statusHandle == NULL)
{
throw GetLastError();
}
s_service->Start(dwArgc, pszArgv);
}
void WINAPI I2PService::ServiceCtrlHandler(DWORD dwCtrl)
{
switch (dwCtrl)
{
case SERVICE_CONTROL_STOP: s_service->Stop(); break;
case SERVICE_CONTROL_PAUSE: s_service->Pause(); break;
case SERVICE_CONTROL_CONTINUE: s_service->Continue(); break;
case SERVICE_CONTROL_SHUTDOWN: s_service->Shutdown(); break;
case SERVICE_CONTROL_INTERROGATE: break;
default: break;
}
}
I2PService::I2PService(PSTR pszServiceName,
BOOL fCanStop,
BOOL fCanShutdown,
BOOL fCanPauseContinue)
{
m_name = (pszServiceName == NULL) ? (PSTR)"" : pszServiceName;
m_statusHandle = NULL;
m_status.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
m_status.dwCurrentState = SERVICE_START_PENDING;
DWORD dwControlsAccepted = 0;
if (fCanStop)
dwControlsAccepted |= SERVICE_ACCEPT_STOP;
if (fCanShutdown)
dwControlsAccepted |= SERVICE_ACCEPT_SHUTDOWN;
if (fCanPauseContinue)
dwControlsAccepted |= SERVICE_ACCEPT_PAUSE_CONTINUE;
m_status.dwControlsAccepted = dwControlsAccepted;
m_status.dwWin32ExitCode = NO_ERROR;
m_status.dwServiceSpecificExitCode = 0;
m_status.dwCheckPoint = 0;
m_status.dwWaitHint = 0;
m_fStopping = FALSE;
// Create a manual-reset event that is not signaled at first to indicate
// the stopped signal of the service.
m_hStoppedEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
if (m_hStoppedEvent == NULL)
{
throw GetLastError();
}
}
I2PService::~I2PService(void)
{
if (m_hStoppedEvent)
{
CloseHandle(m_hStoppedEvent);
m_hStoppedEvent = NULL;
}
}
void I2PService::Start(DWORD dwArgc, PSTR *pszArgv)
{
try
{
SetServiceStatus(SERVICE_START_PENDING);
OnStart(dwArgc, pszArgv);
SetServiceStatus(SERVICE_RUNNING);
}
catch (DWORD dwError)
{
LogPrint(eLogError, "Win32Service Start", dwError);
SetServiceStatus(SERVICE_STOPPED, dwError);
}
catch (...)
{
LogPrint(eLogError, "Win32Service failed to start.", EVENTLOG_ERROR_TYPE);
SetServiceStatus(SERVICE_STOPPED);
}
}
void I2PService::OnStart(DWORD dwArgc, PSTR *pszArgv)
{
LogPrint(eLogInfo, "Win32Service in OnStart", EVENTLOG_INFORMATION_TYPE);
Daemon.start();
//i2p::util::config::OptionParser(dwArgc, pszArgv);
//i2p::util::filesystem::ReadConfigFile(i2p::util::config::mapArgs, i2p::util::config::mapMultiArgs);
//i2p::context.OverrideNTCPAddress(i2p::util::config::GetCharArg("-host", "127.0.0.1"),
// i2p::util::config::GetArg("-port", 17070));
_worker = new std::thread(std::bind(&I2PService::WorkerThread, this));
}
void I2PService::WorkerThread()
{
while (!m_fStopping)
{
::Sleep(1000); // Simulate some lengthy operations.
}
// Signal the stopped event.
SetEvent(m_hStoppedEvent);
}
void I2PService::Stop()
{
DWORD dwOriginalState = m_status.dwCurrentState;
try
{
SetServiceStatus(SERVICE_STOP_PENDING);
OnStop();
SetServiceStatus(SERVICE_STOPPED);
}
catch (DWORD dwError)
{
LogPrint(eLogInfo, "Win32Service Stop", dwError);
SetServiceStatus(dwOriginalState);
}
catch (...)
{
LogPrint(eLogError, "Win32Service failed to stop.", EVENTLOG_ERROR_TYPE);
SetServiceStatus(dwOriginalState);
}
}
void I2PService::OnStop()
{
// Log a service stop message to the Application log.
LogPrint(eLogInfo, "Win32Service in OnStop", EVENTLOG_INFORMATION_TYPE);
Daemon.stop();
m_fStopping = TRUE;
if (WaitForSingleObject(m_hStoppedEvent, INFINITE) != WAIT_OBJECT_0)
{
throw GetLastError();
}
_worker->join();
delete _worker;
}
void I2PService::Pause()
{
try
{
SetServiceStatus(SERVICE_PAUSE_PENDING);
OnPause();
SetServiceStatus(SERVICE_PAUSED);
}
catch (DWORD dwError)
{
LogPrint(eLogError, "Win32Service Pause", dwError);
SetServiceStatus(SERVICE_RUNNING);
}
catch (...)
{
LogPrint(eLogError, "Win32Service failed to pause.", EVENTLOG_ERROR_TYPE);
SetServiceStatus(SERVICE_RUNNING);
}
}
void I2PService::OnPause()
{
}
void I2PService::Continue()
{
try
{
SetServiceStatus(SERVICE_CONTINUE_PENDING);
OnContinue();
SetServiceStatus(SERVICE_RUNNING);
}
catch (DWORD dwError)
{
LogPrint(eLogError, "Win32Service Continue", dwError);
SetServiceStatus(SERVICE_PAUSED);
}
catch (...)
{
LogPrint(eLogError, "Win32Service failed to resume.", EVENTLOG_ERROR_TYPE);
SetServiceStatus(SERVICE_PAUSED);
}
}
void I2PService::OnContinue()
{
}
void I2PService::Shutdown()
{
try
{
OnShutdown();
SetServiceStatus(SERVICE_STOPPED);
}
catch (DWORD dwError)
{
LogPrint(eLogError, "Win32Service Shutdown", dwError);
}
catch (...)
{
LogPrint(eLogError, "Win32Service failed to shut down.", EVENTLOG_ERROR_TYPE);
}
}
void I2PService::OnShutdown()
{
}
void I2PService::SetServiceStatus(DWORD dwCurrentState,
DWORD dwWin32ExitCode,
DWORD dwWaitHint)
{
static DWORD dwCheckPoint = 1;
m_status.dwCurrentState = dwCurrentState;
m_status.dwWin32ExitCode = dwWin32ExitCode;
m_status.dwWaitHint = dwWaitHint;
m_status.dwCheckPoint =
((dwCurrentState == SERVICE_RUNNING) ||
(dwCurrentState == SERVICE_STOPPED)) ?
0 : dwCheckPoint++;
::SetServiceStatus(m_statusHandle, &m_status);
}
//*****************************************************************************
void FreeHandles(SC_HANDLE schSCManager, SC_HANDLE schService)
{
if (schSCManager)
{
CloseServiceHandle(schSCManager);
schSCManager = NULL;
}
if (schService)
{
CloseServiceHandle(schService);
schService = NULL;
}
}
void InstallService(PSTR pszServiceName, PSTR pszDisplayName, DWORD dwStartType, PSTR pszDependencies, PSTR pszAccount, PSTR pszPassword)
{
printf("Try to install Win32Service (%s).\n", pszServiceName);
char szPath[MAX_PATH];
SC_HANDLE schSCManager = NULL;
SC_HANDLE schService = NULL;
if (GetModuleFileName(NULL, szPath, ARRAYSIZE(szPath)) == 0)
{
printf("GetModuleFileName failed w/err 0x%08lx\n", GetLastError());
FreeHandles(schSCManager, schService);
return;
}
strncat(szPath, " --daemon", MAX_PATH);
// Open the local default service control manager database
schSCManager = OpenSCManager(NULL, NULL, SC_MANAGER_CONNECT | SC_MANAGER_CREATE_SERVICE);
if (schSCManager == NULL)
{
printf("OpenSCManager failed w/err 0x%08lx\n", GetLastError());
FreeHandles(schSCManager, schService);
return;
}
// Install the service into SCM by calling CreateService
schService = CreateService(
schSCManager, // SCManager database
pszServiceName, // Name of service
pszDisplayName, // Name to display
SERVICE_QUERY_STATUS, // Desired access
SERVICE_WIN32_OWN_PROCESS, // Service type
dwStartType, // Service start type
SERVICE_ERROR_NORMAL, // Error control type
szPath, // Service's binary
NULL, // No load ordering group
NULL, // No tag identifier
pszDependencies, // Dependencies
pszAccount, // Service running account
pszPassword // Password of the account
);
if (schService == NULL)
{
printf("CreateService failed w/err 0x%08lx\n", GetLastError());
FreeHandles(schSCManager, schService);
return;
}
printf("Win32Service is installed as %s.\n", pszServiceName);
// Centralized cleanup for all allocated resources.
FreeHandles(schSCManager, schService);
}
void UninstallService(PSTR pszServiceName)
{
printf("Try to uninstall Win32Service (%s).\n", pszServiceName);
SC_HANDLE schSCManager = NULL;
SC_HANDLE schService = NULL;
SERVICE_STATUS ssSvcStatus = {};
// Open the local default service control manager database
schSCManager = OpenSCManager(NULL, NULL, SC_MANAGER_CONNECT);
if (schSCManager == NULL)
{
printf("OpenSCManager failed w/err 0x%08lx\n", GetLastError());
FreeHandles(schSCManager, schService);
return;
}
// Open the service with delete, stop, and query status permissions
schService = OpenService(schSCManager, pszServiceName, SERVICE_STOP | SERVICE_QUERY_STATUS | DELETE);
if (schService == NULL)
{
printf("OpenService failed w/err 0x%08lx\n", GetLastError());
FreeHandles(schSCManager, schService);
return;
}
// Try to stop the service
if (ControlService(schService, SERVICE_CONTROL_STOP, &ssSvcStatus))
{
printf("Stopping %s.\n", pszServiceName);
Sleep(1000);
while (QueryServiceStatus(schService, &ssSvcStatus))
{
if (ssSvcStatus.dwCurrentState == SERVICE_STOP_PENDING)
{
printf(".");
Sleep(1000);
}
else break;
}
if (ssSvcStatus.dwCurrentState == SERVICE_STOPPED)
{
printf("\n%s is stopped.\n", pszServiceName);
}
else
{
printf("\n%s failed to stop.\n", pszServiceName);
}
}
// Now remove the service by calling DeleteService.
if (!DeleteService(schService))
{
printf("DeleteService failed w/err 0x%08lx\n", GetLastError());
FreeHandles(schSCManager, schService);
return;
}
printf("%s is removed.\n", pszServiceName);
// Centralized cleanup for all allocated resources.
FreeHandles(schSCManager, schService);
}