代码在网上流传是用C写,这里我花了
个早上用Delphi写了个DLL,可以自己扩充各种功能.[code]
{
文件名: ServiceDll.dpr
概述: 替换由svchost.exe启动
某个系统服务,具体服务由全局变量 ServiceName 决定.经测试,生成
DLL文件运行完全正常.测试环境: Windows 2003 Server + Delphi 7.0
代码只实现了
个框架,没有任何实际动作,仅作为学习用.如果你使用本代码进行了任何扩充和修改,希望您能将代码寄
份给我.日期: 2005-04-01
作者: yanxizhen yanxizhen#163.com
}
library ServiceDll;
uses
SysUtils,
Classes,
winsvc,
,Windows;
{ 定义全局变量 }
var
// 服务控制信息句柄
SvcStatsHandle : SERVICE_STATUS_HANDLE;
// 存储服务状态
dwCurrState : DWORD;
// 服务名称
ServiceName : PChar = 'BITS';
{ 调试
,用于输出调试文本 }procedure OutPutText(CH:PChar);
var
FileHandle: TextFile;
F : Integer;
Begin
try
not FileExists('zztestdll.txt') thenF := FileCreate('zztestdll.txt');
finally
F > 0 Then FileClose(F);end;
AssignFile(FileHandle,'zztestdll.txt');
Append(FileHandle);
Writeln(FileHandle,CH);
Flush(FileHandle);
CloseFile(FileHandle);
END;
{ dll入口和出口处理
}procedure DLLEntryPo
(dwReason : DWord);begin
dwReason ofDLL_PROCESS_ATTACH:
;
DLL_PROCESS_DETACH:
;
DLL_THREAD_ATTACH:
;
DLL_THREAD_DETACH:
;
end;
end;
{ 和SCM管理器通话 }
function TellSCM(dwState : DWORD ; dwExitCode : DWORD; dwProgress : DWORD ): LongBool;
var
srvStatus : service_status;
BEGIN
srvStatus.dwServiceType := SERVICE_WIN32_SHARE_PROCESS;
dwCurrState := dwState;
srvStatus.dwCurrentState := dwState;
srvStatus.dwControlsAccepted := SERVICE_ACCEPT_STOP or SERVICE_ACCEPT_PAUSE_CONTINUE or SERVICE_ACCEPT_SHUTDOWN;
srvStatus.dwWin32ExitCode := dwExitCode;
srvStatus.dwServiceSpec
icExitCode := 0;srvStatus.dwCheckPo
:= dwProgress;srvStatus.dwWaitH
:= 3000;Result := SetServiceStatus( SvcStatsHandle, srvStatus );
END;
{ Service 控制
}PROCEDURE servicehandler(fdwcontrol:
eger); STDCALL;BEGIN
CASE fdwcontrol OF
SERVICE_CONTROL_STOP:
BEGIN
TellSCM( SERVICE_STOP_PENDING, 0, 1 );
Sleep(10);
TellSCM( SERVICE_STOPPED, 0, 0 );
END;
SERVICE_CONTROL_PAUSE:
BEGIN
[ft=,,] TellSCM( SERVICE_PAUSE_
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