/****************************** Module Header ******************************\
* Module Name: ServiceNative.cs
* Project: CSWin7TriggerStartService
* Copyright (c) Microsoft Corporation.
*
* The P/Invoke signatures of native service APIs and structs.
*
* This source is subject to the Microsoft Public License.
* See http://www.microsoft.com/opensource/licenses.mspx#Ms-PL.
* All other rights reserved.
*
* History:
* * 8/1/2009 4:50 AM Jialiang Ge Created
\***************************************************************************/
#region Using directives
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;
#endregion
[Flags]
public enum ServiceControlAccessRights : int
{
// Required to connect to the service control manager.
SC_MANAGER_CONNECT = 0x0001,
// Required to call the CreateService function to create a service
// object and add it to the database.
SC_MANAGER_CREATE_SERVICE = 0x0002,
// Required to call the EnumServicesStatusEx function to list the
// services that are in the database.
SC_MANAGER_ENUMERATE_SERVICE = 0x0004,
// Required to call the LockServiceDatabase function to acquire a lock on
// the database.
SC_MANAGER_LOCK = 0x0008,
// Required to call the QueryServiceLockStatus function to retrieve the
// lock status information for the database
SC_MANAGER_QUERY_LOCK_STATUS = 0x0010,
// Required to call the NotifyBootConfigStatus function.
SC_MANAGER_MODIFY_BOOT_CONFIG = 0x0020,
// Includes STANDARD_RIGHTS_REQUIRED, in addition to all access rights in
// this table.
SC_MANAGER_ALL_ACCESS = 0xF003F
}
[Flags]
public enum ServiceAccessRights : int
{
// Required to call the QueryServiceConfig and QueryServiceConfig2
// functions to query the service configuration.
SERVICE_QUERY_CONFIG = 0x0001,
// Required to call the ChangeServiceConfig or ChangeServiceConfig2
// function to change the service configuration. Because this grants the
// caller the right to change the executable file that the system runs,
// it should be granted only to administrators.
SERVICE_CHANGE_CONFIG = 0x0002,
// Required to call the QueryServiceStatusEx function to ask the service
// control manager about the status of the service.
SERVICE_QUERY_STATUS = 0x0004,
// Required to call the EnumDependentServices function to enumerate all
// the services dependent on the service.
SERVICE_ENUMERATE_DEPENDENTS = 0x0008,
// Required to call the StartService function to start the service.
SERVICE_START = 0x0010,
// Required to call the ControlService function to stop the service.
SERVICE_STOP = 0x0020,
// Required to call the ControlService function to pause or continue the
// service.
SERVICE_PAUSE_CONTINUE = 0x0040,
// Required to call the ControlService function to ask the service to
// report its status immediately.
SERVICE_INTERROGATE = 0x0080,
// Required to call the ControlService function to specify a user-defined
// control code.
SERVICE_USER_DEFINED_CONTROL = 0x0100,
// Includes STANDARD_RIGHTS_REQUIRED in addition to all access rights in
// this table.
SERVICE_ALL_ACCESS = 0xF01FF
}
public enum ServiceConfig2InfoLevel : uint
{
SERVICE_CONFIG_DESCRIPTION = 0x00000001,
SERVICE_CONFIG_FAILURE_ACTIONS = 0x00000002,
SERVICE_CONFIG_DELAYED_AUTO_START_INFO = 0x00000003,
SERVICE_CONFIG_FAILURE_ACTIONS_FLAG = 0x00000004,
SERVICE_CONFIG_SERVICE_SID_INFO = 0x00000005,
SERVICE_CONFIG_REQUIRED_PRIVILEGES_INFO = 0x00000006,
SERVICE_CONFIG_PRESHUTDOWN_INFO = 0x00000007,
SERVICE_CONFIG_TRIGGER_INFO = 0x00000008,
SERVICE_CONFIG_PREFERRED_NODE = 0x00000009
}
public enum ServiceTriggerType : uint
{
// The event is triggered when a device of the specified device interface
// class arrives or is present when the system starts. This trigger event
// is commonly used to start a service.
SERVICE_TRIGGER_TYPE_DEVICE_INTERFACE_ARRIVAL = 1,
// The event is triggered when the first IP address on the TCP/IP
// networking stack becomes available or the last IP address on the stack
// becomes unavailable. This trigger event can be used to start or stop a
// service.
SERVICE_TRIGGER_TYPE_IP_ADDRESS_AVAILABILITY = 2,
// The event is triggered when the computer joins or leaves a domain.
// This trigger event can be used to start or stop a service.
SERVICE_TRIGGER_TYPE_DOMAIN_JOIN = 3,
// The event is triggered when a firewall port is opened or approximately
// 60 seconds after the firewall port is closed. This trigger event can
// be used to start or stop a service.
SERVICE_TRIGGER_TYPE_FIREWALL_PORT_EVENT = 4,
// The event is triggered when a machine policy or user policy change
// occurs. This trigger event is commonly used to start a service.
SERVICE_TRIGGER_TYPE_GROUP_POLICY = 5,
// The event is a custom event generated by an Event Tracing for Windows
// (ETW) provider. This trigger event can be used to start or stop a
// service.
SERVICE_TRIGGER_TYPE_CUSTOM = 20
}
public enum ServiceTriggerAction : uint
{
// Start the service when the specified trigger event occurs.
SERVICE_TRIGGER_ACTION_SERVICE_START = 1,
// Stop the service when the specified trigger event occurs.
SERVICE_TRIGGER_ACTION_SERVICE_STOP = 2
}
public enum ServiceTriggerDataType : uint
{
// The trigger-specific data is in binary format.
SERVICE_TRIGGER_DATA_TYPE_BINARY = 1,
// The trigger-specific data is in string format.
SERVICE_TRIGGER_DATA_TYPE_STRING = 2
}
[StructLayout(LayoutKind.Sequential)]
public struct SERVICE_TRIGGER_SPECIFIC_DATA_ITEM
{
/// The data type of the trigger-specific data pointed to by pData.
public ServiceTriggerDataType dwDataType;
/// The size of the trigger-specific data pointed to pData, in bytes.
/// The maximum value is 1024.
public uint cbData;
/// A pointer to the trigger-specific data for the service trigger event.
/// Strings must be Unicode; ANSI strings are not supported.
public System.IntPtr pData;
}
[StructLayout(LayoutKind.Sequential)]
public struct SERVICE_TRIGGER
{
/// The trigger event type.
public ServiceTriggerType dwTriggerType;
/// The action to take when the specified trigger event occurs.
public ServiceTriggerAction dwAction;
/// Points to a GUID that identifies the trigger event subtype. The value
/// of this member depends on the value of the dwTriggerType member.
public IntPtr pTriggerSubtype;
/// The number of SERVICE_TRIGGER_SPECIFIC_DATA_ITEM structures in the
/// array pointed to by pDataItems.
public uint cDataItems;
/// A pointer to an array of SERVICE_TRIGGER_SPECIFIC_DATA_ITEM
/// structures that contain trigger-specific data.
public IntPtr pDataItems;
}
[StructLayout(LayoutKind.Sequential)]
public struct SERVICE_TRIGGER_INFO
{
/// The number of triggers in the array of SERVICE_TRIGGER structures
/// pointed to by the pTriggers member.
public uint cTriggers;
/// A pointer to an array of SERVICE_TRIGGER structures that specify the
/// trigger events for the service.
public IntPtr pTriggers;
/// This member is reserved and must be NULL.
public IntPtr pReserved;
}
class ServiceNative
{
/// <summary>
/// Establishes a connection to the service control manager on the
/// specified computer and opens the specified service control manager
/// database.
/// </summary>
/// <param name="machineName">Name of the target computer.</param>
/// <param name="databaseName">
/// Name of the service control manager database.
/// </param>
/// <param name="dwAccess">
/// The access to the service control manager.
/// </param>
/// <returns>
/// If the function succeeds, the return value is a handle to the
/// specified service control manager database. If the function fails,
/// the return value is NULL. To get extended error information, call
/// GetLastError.
/// </returns>
[DllImport("advapi32.dll", CharSet = CharSet.Auto, SetLastError = true)]
public static extern IntPtr OpenSCManager(string machineName,
string databaseName, ServiceControlAccessRights dwAccess);
/// <summary>
/// Opens an existing service.
/// </summary>
/// <param name="hSCManager">
/// A handle to the service control manager database. The OpenSCManager
/// function returns this handle.
/// </param>
/// <param name="lpServiceName">
/// The name of the service to be opened.
/// </param>
/// <param name="dwDesiredAccess">The access to the service.</param>
/// <returns></returns>
[DllImport("advapi32.dll", CharSet = CharSet.Auto, SetLastError = true)]
static extern IntPtr OpenService(IntPtr hSCManager,
string lpServiceName, uint dwDesiredAccess);
/// <summary>
/// Changes the optional configuration parameters of a service.
/// </summary>
/// <param name="hService">A handle to the service.</param>
/// <param name="dwInfoLevel">
/// The configuration information to be changed.
/// </param>
/// <param name="lpInfo"></param>
/// <returns></returns>
[DllImport("advapi32.dll", CharSet = CharSet.Auto, SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool ChangeServiceConfig2(IntPtr hService,
ServiceConfig2InfoLevel dwInfoLevel, IntPtr lpInfo);
/// <summary>
/// Retrieves the optional configuration parameters of the specified
/// service.
/// </summary>
/// <param name="hService">A handle to the service.</param>
/// <param name="dwInfoLevel">
/// The configuration information to be queried.
/// </param>
/// <param name="lpBuffer">
/// A pointer to the buffer that receives the service configuration
/// information.
/// </param>
/// <param name="cbBufSize">
/// The size of the structure pointed to by the lpBuffer parameter, in
/// bytes.
/// </param>
/// <param name="pcbBytesNeeded">
/// A pointer to a variable that receives the number of bytes required to
/// store the configuration information, if the function fails with
/// ERROR_INSUFFICIENT_BUFFER.
/// </param>
/// <returns>
/// If the function succeeds, the return value is nonzero. If the
/// function fails, the return value is zero. To get extended error
/// information, call GetLastError.
/// </returns>
[DllImport("advapi32.dll", CharSet = CharSet.Auto, SetLastError = true)]
public static extern int QueryServiceConfig2(IntPtr hService,
ServiceConfig2InfoLevel dwInfoLevel, IntPtr lpBuffer, int cbBufSize,
out int pcbBytesNeeded);
/// <summary>
/// Closes a handle to a service control manager or service object.
/// </summary>
/// <param name="hSCObject">
/// A handle to the service control manager object or the service object
/// to close.
/// </param>
/// <returns></returns>
[DllImport("advapi32.dll", EntryPoint = "CloseServiceHandle")]
public static extern int CloseServiceHandle(IntPtr hSCObject);
}
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