public void SetWindowsServiceCredentials(string serviceName, string username, string password)
{
IntPtr hManager = IntPtr.Zero;
IntPtr hService = IntPtr.Zero;
try
{
hManager = ServiceWrapper.OpenSCManager(null, null, ServiceWrapper.SC_MANAGER_ALL_ACCESS);
if (hManager == IntPtr.Zero)
{
ThrowWin32Exception();
}
hService = ServiceWrapper.OpenService(hManager, serviceName, ServiceWrapper.SERVICE_QUERY_CONFIG | ServiceWrapper.SERVICE_CHANGE_CONFIG);
if (hService == IntPtr.Zero)
{
ThrowWin32Exception();
}
if (!ServiceWrapper.ChangeServiceConfig(hService, ServiceWrapper.SERVICE_NO_CHANGE, ServiceWrapper.SERVICE_NO_CHANGE, ServiceWrapper.SERVICE_NO_CHANGE, null, null, IntPtr.Zero, null, username, password, null))
{
ThrowWin32Exception();
}
}
finally
{
if (hService != IntPtr.Zero)
{
ServiceWrapper.CloseServiceHandle(hService);
}
if (hManager != IntPtr.Zero)
{
ServiceWrapper.CloseServiceHandle(hManager);
}
}
}
public string GetWindowsServiceUserName(string serviceName)
{
IntPtr hManager = IntPtr.Zero;
IntPtr hService = IntPtr.Zero;
try
{
hManager = ServiceWrapper.OpenSCManager(null, null, ServiceWrapper.SC_MANAGER_QUERY_ACESS);
if (hManager == IntPtr.Zero)
{
ThrowWin32Exception();
}
hService = ServiceWrapper.OpenService(hManager, serviceName, ServiceWrapper.SERVICE_QUERY_CONFIG | ServiceWrapper.SERVICE_CHANGE_CONFIG);
if (hService == IntPtr.Zero)
{
ThrowWin32Exception();
}
bool retCode = ServiceWrapper.QueryServiceConfig(hService, IntPtr.Zero, 0, out uint bytesNeeded);
if (!retCode && bytesNeeded == 0)
{
ThrowWin32Exception();
}
IntPtr qscPtr = Marshal.AllocCoTaskMem(Convert.ToInt32(bytesNeeded));
try
{
retCode = ServiceWrapper.QueryServiceConfig(hService, qscPtr, bytesNeeded, out bytesNeeded);
if (!retCode)
{
ThrowWin32Exception();
}
var sci = (ServiceConfigInfo)Marshal.PtrToStructure(qscPtr, typeof(ServiceConfigInfo));
return(sci.ServiceStartName);
}
finally
{
Marshal.FreeCoTaskMem(qscPtr);
}
}
finally
{
if (hService != IntPtr.Zero)
{
ServiceWrapper.CloseServiceHandle(hService);
}
if (hManager != IntPtr.Zero)
{
ServiceWrapper.CloseServiceHandle(hManager);
}
}
}
