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ServiceInstaller.cpp
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ServiceInstaller.cpp
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#pragma region "Includes"
#include <stdio.h>
#include <windows.h>
#include "ServiceInstaller.h"
#pragma endregion
void InstallService(PWSTR pszServiceName,
PWSTR pszDisplayName,
DWORD dwStartType,
PWSTR pszDependencies,
PWSTR pszAccount,
PWSTR pszPassword)
{
wchar_t szPath[MAX_PATH];
SC_HANDLE schSCManager = NULL;
SC_HANDLE schService = NULL;
if (GetModuleFileName(NULL, szPath, ARRAYSIZE(szPath)) == 0)
{
wprintf(L"GetModuleFileName failed w/err 0x%08lx\n", GetLastError());
goto Cleanup;
}
// Open the local default service control manager database
schSCManager = OpenSCManager(NULL, NULL, SC_MANAGER_CONNECT |
SC_MANAGER_CREATE_SERVICE);
if (schSCManager == NULL)
{
wprintf(L"OpenSCManager failed w/err 0x%08lx\n", GetLastError());
goto Cleanup;
}
// 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)
{
wprintf(L"CreateService failed w/err 0x%08lx\n", GetLastError());
goto Cleanup;
}
wprintf(L"%s is installed.\n", pszServiceName);
Cleanup:
// Centralized cleanup for all allocated resources.
if (schSCManager)
{
CloseServiceHandle(schSCManager);
schSCManager = NULL;
}
if (schService)
{
CloseServiceHandle(schService);
schService = NULL;
}
}
void UninstallService(PWSTR 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)
{
wprintf(L"OpenSCManager failed w/err 0x%08lx\n", GetLastError());
goto Cleanup;
}
// Open the service with delete, stop, and query status permissions
schService = OpenService(schSCManager, pszServiceName, SERVICE_STOP |
SERVICE_QUERY_STATUS | DELETE);
if (schService == NULL)
{
wprintf(L"OpenService failed w/err 0x%08lx\n", GetLastError());
goto Cleanup;
}
// Try to stop the service
if (ControlService(schService, SERVICE_CONTROL_STOP, &ssSvcStatus))
{
wprintf(L"Stopping %s.", pszServiceName);
Sleep(1000);
while (QueryServiceStatus(schService, &ssSvcStatus))
{
if (ssSvcStatus.dwCurrentState == SERVICE_STOP_PENDING)
{
wprintf(L".");
Sleep(1000);
}
else break;
}
if (ssSvcStatus.dwCurrentState == SERVICE_STOPPED)
{
wprintf(L"\n%s is stopped.\n", pszServiceName);
}
else
{
wprintf(L"\n%s failed to stop.\n", pszServiceName);
}
}
// Now remove the service by calling DeleteService.
if (!DeleteService(schService))
{
wprintf(L"DeleteService failed w/err 0x%08lx\n", GetLastError());
goto Cleanup;
}
wprintf(L"%s is removed.\n", pszServiceName);
Cleanup:
// Centralized cleanup for all allocated resources.
if (schSCManager)
{
CloseServiceHandle(schSCManager);
schSCManager = NULL;
}
if (schService)
{
CloseServiceHandle(schService);
schService = NULL;
}
}