/// <summary>
/// Create a ServiceHandle instance
/// </summary>
/// <param name="serviceName">The disired service name</param>
/// <param name="desiredAccess">The disired access rights</param>
/// <returns>ServiceHandle instance</returns>
public ServiceHandle OpenService(string serviceName, Advapi32.ServiceAccessRights desiredAccess)
{
ServiceHandle serviceHandle = Advapi32.OpenService
(
this,
serviceName,
desiredAccess
);
if (serviceHandle.IsInvalid)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
return(serviceHandle);
}
/// <summary>
/// Creates a new service and return his handle
/// </summary>
/// <param name="serviceDefinition">The services definitions</param>
/// <returns>A ServiceHandle instance</returns>
public ServiceHandle CreateService(IWin32ServiceDefinition serviceDefinition)
{
IntPtr passwordHandle = IntPtr.Zero;
if (!ValidServiceName(serviceDefinition.ServiceName))
{
throw new ArgumentException("The given service name is not a valid name.");
}
//Create the service type
var serviceType = Advapi32.ServiceType.Win32OwnProcess; //DM only supports Win32OwnProcess
if (Equals(serviceDefinition.Credentials, ServiceCredentials.LocalSystem) && serviceDefinition.CanInteractWithDesktop)
{
serviceType |= Advapi32.ServiceType.InteractivProcess;
}
//The credentials can't be null
if (serviceDefinition.Credentials == null)
{
throw new ArgumentNullException(nameof(serviceDefinition.Credentials));
}
try
{
//Only call marshal if a password is set (SecureString != null), otherwise leave IntPtr.Zero
if (serviceDefinition.Credentials.Password != null)
{
passwordHandle = Marshal.SecureStringToGlobalAllocUnicode(serviceDefinition.Credentials.Password);
}
ServiceHandle serviceHandle = Advapi32.CreateService
(
this,
serviceDefinition.ServiceName,
serviceDefinition.DisplayName,
Advapi32.ServiceAccessRights.AllAccess,
serviceType,
serviceDefinition.StartType,
serviceDefinition.ErrorControl,
DmServiceExe,
serviceDefinition.LoadOrderGroup,
tagId: 0, //Tags are only evaluated for driver services that have SERVICE_BOOT_START or SERVICE_SYSTEM_START start types.
Advapi32.ConvertDependenciesArraysToDoubleNullTerminatedString(serviceDefinition.DependOnService, serviceDefinition.DependOnGroup),
serviceDefinition.Credentials.Username,
passwordHandle
);
if (serviceHandle.IsInvalid)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
return(serviceHandle);
}
finally
{
if (passwordHandle != IntPtr.Zero)
{
Marshal.ZeroFreeGlobalAllocUnicode(passwordHandle);
}
}
}
