Ejemplo n.º 1
0
        public void SetServiceDescription(string serviceName, string description)
        {
            IntPtr service = IntPtr.Zero;

            try
            {
                ServiceWin32Api.SERVICE_DESCRIPTION desc = new ServiceWin32Api.SERVICE_DESCRIPTION
                {
                    lpDescription = description
                };

                // Open the service
                service = OpenService(serviceName, ServiceWin32Api.ServiceAccessRights.SERVICE_CHANGE_CONFIG);

                bool ok = ServiceWin32Api.ChangeServiceConfig2(
                    service,
                    (int)ServiceWin32Api.ServiceConfig2InfoLevel.SERVICE_CONFIG_DESCRIPTION,
                    ref desc);

                // Check that the change occurred
                if (!ok)
                {
                    throw new Win32Exception(Marshal.GetLastWin32Error(), "Unable to change the Service configuration.");
                }
            }
            finally
            {
                if (service != IntPtr.Zero)
                {
                    ServiceWin32Api.CloseServiceHandle(service);
                }
            }
        }
Ejemplo n.º 2
0
        public ServiceUtilWin32Helper(string machineName)
        {
            // Open the service control manager
            _scManager = ServiceWin32Api.OpenSCManager(
                machineName,
                null,
                ServiceWin32Api.ServiceControlAccessRights.SC_MANAGER_CONNECT);

            // Verify if the SC is opened
            if (_scManager == IntPtr.Zero)
            {
                throw new Win32Exception(Marshal.GetLastWin32Error(), "Unable to open Service Control Manager.");
            }
        }
Ejemplo n.º 3
0
        public string GetServiceDescription(string serviceName)
        {
            const int bufferSize = 1024 * 8;

            IntPtr service   = IntPtr.Zero;
            IntPtr bufferPtr = IntPtr.Zero;

            try
            {
                // Open the service
                service = OpenService(serviceName, ServiceWin32Api.ServiceAccessRights.SERVICE_QUERY_CONFIG);

                int dwBytesNeeded = 0;

                // Allocate memory for struct
                bufferPtr = Marshal.AllocHGlobal(bufferSize);
                int queryResult = ServiceWin32Api.QueryServiceConfig2(
                    service,
                    ServiceWin32Api.ServiceConfig2InfoLevel.SERVICE_CONFIG_DESCRIPTION,
                    bufferPtr,
                    bufferSize,
                    out dwBytesNeeded);

                if (queryResult == 0)
                {
                    throw new Win32Exception(Marshal.GetLastWin32Error(), "Unable to query the Service configuration.");
                }

                // Cast the buffer to a SERVICE_DESCRIPTION struct
                ServiceWin32Api.SERVICE_DESCRIPTION desc =
                    (ServiceWin32Api.SERVICE_DESCRIPTION)Marshal.PtrToStructure(bufferPtr, typeof(ServiceWin32Api.SERVICE_DESCRIPTION));

                return(desc.lpDescription);
            }
            finally
            {
                // Clean up
                if (bufferPtr != IntPtr.Zero)
                {
                    Marshal.FreeHGlobal(bufferPtr);
                }

                if (service != IntPtr.Zero)
                {
                    ServiceWin32Api.CloseServiceHandle(service);
                }
            }
        }
Ejemplo n.º 4
0
        /// <summary>
        /// Calls the Win32 OpenService function and performs error checking.
        /// </summary>
        /// <exception cref="ComponentModel.Win32Exception">"Unable to open the requested Service."</exception>
        private IntPtr OpenService(string serviceName, ServiceWin32Api.ServiceAccessRights desiredAccess)
        {
            // Open the service
            IntPtr service = ServiceWin32Api.OpenService(
                _scManager,
                serviceName,
                desiredAccess);

            // Verify if the service is opened
            if (service == IntPtr.Zero)
            {
                throw new Win32Exception(Marshal.GetLastWin32Error(), "Unable to open the requested Service.");
            }

            return(service);
        }
Ejemplo n.º 5
0
        /// <summary>
        /// Implements the Dispose(bool) pattern outlined by MSDN and enforced by FxCop.
        /// </summary>
        private void Dispose(bool disposing)
        {
            if (!this.disposed)
            {
                if (disposing)
                {
                    // Dispose managed resources here
                }

                // Unmanaged resources always need disposing
                if (_scManager != IntPtr.Zero)
                {
                    ServiceWin32Api.CloseServiceHandle(_scManager);
                    _scManager = IntPtr.Zero;
                }
            }
            disposed = true;
        }