public static NativeMethods.ServiceStatusInfo ReadServiceStatus(SafeServiceHandle serviceHandle)
{
NativeMethods.ServiceStatusInfo ServiceStatus = default;
if (!NativeMethods.QueryServiceStatus(serviceHandle, ref ServiceStatus))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
return(ServiceStatus);
}
public static extern bool ChangeServiceConfig(
SafeServiceHandle hService,
uint dwServiceType,
uint dwStartType,
uint dwErrorControl,
string?lpBinaryPathName,
string?lpLoadOrderGroup,
IntPtr lpdwTagId,
string?lpDependencies,
string?lpServiceStartName,
IntPtr lpPassword,
string?lpDisplayName);
/// <summary>
/// Starts a service.
/// </summary>
/// <param name="arguments">An array of arguments to pass to the service when it starts.</param>
public void Start(string?[]?arguments)
{
arguments ??= Array.Empty <string>();
using SafeServiceHandle ServiceManager = ServiceHelper.OpenServiceManager(
MachineName,
NativeMethods.SC_MANAGER_CONNECT);
using SafeServiceHandle ServiceHandle = ServiceHelper.OpenService(
ServiceManager,
ServiceName,
NativeMethods.SERVICE_START);
IntPtr[] ArumentPointers = new IntPtr[arguments.Length];
int ArgumentIndex = 0;
try
{
for (ArgumentIndex = 0; ArgumentIndex < arguments.Length; ArgumentIndex++)
{
if (arguments[ArgumentIndex] == null)
{
throw new ArgumentException($"Argument at index {ArgumentIndex} is null which cannot be passed to sevice.", nameof(arguments));
}
ArumentPointers[ArgumentIndex] = Marshal.StringToHGlobalUni(arguments[ArgumentIndex]);
}
GCHandle gcHandle = GCHandle.Alloc(ArumentPointers, GCHandleType.Pinned);
try
{
if (!NativeMethods.StartService(ServiceHandle, (uint)arguments.Length, gcHandle.AddrOfPinnedObject()))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
}
finally
{
if (gcHandle.IsAllocated)
{
gcHandle.Free();
}
}
}
finally
{
for (int i = 0; i < ArgumentIndex; i++)
{
Marshal.FreeHGlobal(ArumentPointers[i]);
}
}
}
public static extern SafeServiceHandle CreateService(
SafeServiceHandle hSCManager,
string lpServiceName,
string lpDisplayName,
uint dwDesiredAccess,
uint dwServiceType,
uint dwStartType,
uint dwErrorControl,
string lpBinaryPathName,
string?lpLoadOrderGroup,
IntPtr lpdwTagId,
string?lpDependencies,
string?lpServiceStartName,
IntPtr lpPassword);
/// <summary>
/// Deletes a service.
/// </summary>
public void Delete()
{
using SafeServiceHandle ServiceManager = ServiceHelper.OpenServiceManager(
MachineName,
NativeMethods.SC_MANAGER_CONNECT);
using SafeServiceHandle ServiceHandle = ServiceHelper.OpenService(
ServiceManager,
ServiceName,
NativeMethods.DELETE);
if (!NativeMethods.DeleteService(ServiceHandle))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
}
public static IEnumerable <Service> FindServices(string machineName)
{
using SafeServiceHandle ServiceManager = OpenServiceManager(machineName, NativeMethods.SC_MANAGER_ENUMERATE_SERVICE);
uint ResumeHandle = 0;
NativeMethods.EnumServicesStatus(ServiceManager, NativeMethods.SERVICE_WIN32, NativeMethods.SERVICE_STATE_ALL, IntPtr.Zero, 0, out uint BytesNeeded, out uint ServicesReturned, ref ResumeHandle);
int ErrorCode = Marshal.GetLastWin32Error();
if (ErrorCode != NativeMethods.ERROR_MORE_DATA)
{
throw new Win32Exception(ErrorCode);
}
IntPtr ptr = Marshal.AllocHGlobal((int)BytesNeeded);
try
{
if (!NativeMethods.EnumServicesStatus(ServiceManager, NativeMethods.SERVICE_WIN32, NativeMethods.SERVICE_STATE_ALL, ptr, BytesNeeded, out BytesNeeded, out ServicesReturned, ref ResumeHandle))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
Collection <Service> Status = new Collection <Service>();
for (int index = 0; index < ServicesReturned; ++index)
{
IntPtr itemPtr = (IntPtr)((long)ptr + (index * NativeMethods.EnumServiceStatusInfo.SizeOf));
NativeMethods.EnumServiceStatusInfo EnumServiceStatus = new NativeMethods.EnumServiceStatusInfo();
Marshal.PtrToStructure(itemPtr, EnumServiceStatus);
Status.Add(new Service(
machineName,
EnumServiceStatus.lpServiceName ?? string.Empty,
EnumServiceStatus.lpDisplayName ?? string.Empty,
EnumServiceStatus.ServiceStatus.dwCurrentState));
}
return(Status);
}
finally
{
Marshal.FreeHGlobal(ptr);
}
}
private void ControlService(uint dwAccess, uint dwControl)
{
using SafeServiceHandle ServiceManager = ServiceHelper.OpenServiceManager(
MachineName,
NativeMethods.SC_MANAGER_CONNECT);
using SafeServiceHandle ServiceHandle = ServiceHelper.OpenService(
ServiceManager,
ServiceName,
dwAccess);
NativeMethods.ServiceStatusInfo Status = default;
if (!NativeMethods.ControlService(ServiceHandle, dwControl, ref Status))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
State = Status.dwCurrentState;
}
public static extern SafeServiceHandle OpenService(
SafeServiceHandle hSCManager,
string lpServiceName,
uint dwDesiredAccess);
public static extern bool QueryServiceStatus(SafeServiceHandle hService, ref ServiceStatusInfo lpServiceStatus);
private static NativeMethods.ServiceConfigurationInfo ReadServiceConfiguration(SafeServiceHandle serviceHandle)
{
NativeMethods.QueryServiceConfig(serviceHandle, IntPtr.Zero, 0, out uint BytesNeeded);
int ErrorCode = Marshal.GetLastWin32Error();
if (ErrorCode != NativeMethods.ERROR_INSUFFICIENT_BUFFER)
{
throw new Win32Exception(ErrorCode);
}
IntPtr ptr = Marshal.AllocHGlobal((int)BytesNeeded);
try
{
if (!NativeMethods.QueryServiceConfig(serviceHandle, ptr, BytesNeeded, out BytesNeeded))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
NativeMethods.ServiceConfigurationInfo ServiceConfiguration = new NativeMethods.ServiceConfigurationInfo();
Marshal.PtrToStructure(ptr, ServiceConfiguration);
return(ServiceConfiguration);
}
finally
{
Marshal.FreeHGlobal(ptr);
}
}
public static extern bool QueryServiceConfig(SafeServiceHandle hService, IntPtr lpServiceConfig, uint cbBufSize, out uint pcbBytesNeeded);
public static extern bool QueryServiceConfig2(SafeServiceHandle hService, uint dwInfoLevel, IntPtr lpBuffer, uint cbBufSize, out uint pcbBytesNeeded);
public static extern bool ControlService(
SafeServiceHandle hService,
uint dwControl,
ref ServiceStatusInfo lpServiceStatus);
public static extern bool StartService(SafeServiceHandle hService, uint dwNumServiceArgs, IntPtr lpServiceArgVectors);
public static (ServiceConfiguration ServiceConfiguration, string BinaryPath) ReadServiceConfiguration(SafeServiceHandle serviceHandle, string serviceName)
{
NativeMethods.ServiceConfigurationInfo ServiceConfiguration = ReadServiceConfiguration(serviceHandle);
(ServiceAccount Account, string?Username) = ServiceController.ConvertWindowsUsernameToServiceConfiguration(ServiceConfiguration.lpServiceStartName);
ServiceStartMode StartMode = ReadServiceDelayedAutoStartConfiguration(serviceHandle)
? ServiceStartMode.AutomaticDelayedStart
: (ServiceStartMode)ServiceConfiguration.dwStartType;
return(
new ServiceConfiguration
{
ServiceName = serviceName,
DisplayName = ServiceConfiguration.lpDisplayName,
Description = ReadServiceDescription(serviceHandle),
StartMode = StartMode,
Account = Account,
Username = Username
},
ServiceConfiguration.lpBinaryPathName ?? string.Empty);
}
/// <summary>
/// Configure a service.
/// </summary>
/// <param name="displayName"><see cref="ServiceConfiguration.DisplayName"/>.</param>
/// <param name="description"><see cref="ServiceConfiguration.Description"/>.</param>
/// <param name="startMode"><see cref="ServiceConfiguration.StartMode"/>.</param>
/// <param name="account"><see cref="ServiceConfiguration.Account"/>.</param>
/// <param name="username"><see cref="ServiceConfiguration.Username"/>.</param>
/// <param name="password"><see cref="ServiceConfiguration.Password"/>.</param>
/// <param name="binaryPathAndArguments">The fully qualified path to the service binary file optionally including arguments to be passed when starting the service. Specify null to leave the current value unchanged.</param>
public void Configure(
string?displayName,
string?description,
ServiceStartMode startMode,
ServiceAccount account,
string?username,
SecureString?password,
string?binaryPathAndArguments = null)
{
string DisplayName = string.IsNullOrEmpty(displayName)
? ServiceName
: displayName;
using SafeServiceHandle ServiceManager = ServiceHelper.OpenServiceManager(
MachineName,
NativeMethods.SC_MANAGER_CONNECT);
using SafeServiceHandle ServiceHandle = ServiceHelper.OpenService(
ServiceManager,
ServiceName,
NativeMethods.SERVICE_CHANGE_CONFIG);
string?ConvertedUsername = ServiceController.ConvertServiceConfigurationToWindowsUsername(
account,
username);
IntPtr PasswordPointer = password != null
? Marshal.SecureStringToGlobalAllocUnicode(password)
: IntPtr.Zero;
try
{
if (!NativeMethods.ChangeServiceConfig(
ServiceHandle,
dwServiceType: NativeMethods.SERVICE_NO_CHANGE,
(uint)(startMode == ServiceStartMode.AutomaticDelayedStart ? ServiceStartMode.Automatic : startMode),
dwErrorControl: NativeMethods.SERVICE_NO_CHANGE,
binaryPathAndArguments,
lpLoadOrderGroup: null,
lpdwTagId: IntPtr.Zero,
lpDependencies: null,
ConvertedUsername,
PasswordPointer,
DisplayName))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
}
finally
{
if (PasswordPointer != IntPtr.Zero)
{
Marshal.ZeroFreeGlobalAllocUnicode(PasswordPointer);
}
}
this.DisplayName = DisplayName;
ServiceHelper.ChangeServiceDescription(ServiceHandle, description);
ServiceHelper.ChangeServiceDelayedAutoStartConfiguration(ServiceHandle, startMode == ServiceStartMode.AutomaticDelayedStart);
lock (_SyncObject)
{
_FullConfigurationLoaded = false;
}
}
private void RefreshStatus(SafeServiceHandle serviceHandle)
{
NativeMethods.ServiceStatusInfo Status = ServiceHelper.ReadServiceStatus(serviceHandle);
State = Status.dwCurrentState;
}
public static extern bool ChangeServiceConfig2(
SafeServiceHandle hService,
uint dwInfoLevel,
IntPtr lpInfo);
public static extern bool DeleteService(SafeServiceHandle hService);
