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用Delphi创建服务程序    热     ★★★★

用Delphi创建服务程序

作者：闵涛 文章来源：闵涛的学习笔记 点击数：1526 更新时间：2009/4/23 18:27:19
SYM SERVICE_DESCRIPTIONW}
SERVICE_DESCRIPTIONW = _SERVICE_DESCRIPTIONW;
{$EXTERNALSYM SERVICE_DESCRIPTION}
SERVICE_DESCRIPTION = _SERVICE_DESCRIPTIONA;
TServiceDescriptionA = _SERVICE_DESCRIPTIONA;
TServiceDescriptionW = _SERVICE_DESCRIPTIONW;
TServiceDescription = TServiceDescriptionA;

//
// Actions to take on service failure
//
{$EXTERNALSYM _SC_ACTION_TYPE}
_SC_ACTION_TYPE = (SC_ACTION_NONE, SC_ACTION_RESTART, SC_ACTION_REBOOT, SC_ACTION_RUN_COMMAND);
{$EXTERNALSYM SC_ACTION_TYPE}
SC_ACTION_TYPE = _SC_ACTION_TYPE;

PServiceAction = ^TServiceAction;
{$EXTERNALSYM _SC_ACTION}
_SC_ACTION = record
aType : SC_ACTION_TYPE;
Delay : DWORD;
end;
{$EXTERNALSYM SC_ACTION}
SC_ACTION = _SC_ACTION;
TServiceAction = _SC_ACTION;

PServiceFailureActionsA = ^TServiceFailureActionsA;
PServiceFailureActionsW = ^TServiceFailureActionsW;
PServiceFailureActions = PServiceFailureActionsA;
{$EXTERNALSYM _SERVICE_FAILURE_ACTIONSA}
_SERVICE_FAILURE_ACTIONSA = record
dwResetPeriod : DWORD;
lpRebootMsg : LPSTR;
lpCommand : LPSTR;
cActions : DWORD;
lpsaActions : ^SC_ACTION;
end;
{$EXTERNALSYM _SERVICE_FAILURE_ACTIONSW}
_SERVICE_FAILURE_ACTIONSW = record
dwResetPeriod : DWORD;
lpRebootMsg : LPWSTR;
lpCommand : LPWSTR;
cActions : DWORD;
lpsaActions : ^SC_ACTION;
end;
{$EXTERNALSYM _SERVICE_FAILURE_ACTIONS}
_SERVICE_FAILURE_ACTIONS = _SERVICE_FAILURE_ACTIONSA;
{$EXTERNALSYM SERVICE_FAILURE_ACTIONSA}
SERVICE_FAILURE_ACTIONSA = _SERVICE_FAILURE_ACTIONSA;
{$EXTERNALSYM SERVICE_FAILURE_ACTIONSW}
SERVICE_FAILURE_ACTIONSW = _SERVICE_FAILURE_ACTIONSW;
{$EXTERNALSYM SERVICE_FAILURE_ACTIONS}
SERVICE_FAILURE_ACTIONS = _SERVICE_FAILURE_ACTIONSA;
TServiceFailureActionsA = _SERVICE_FAILURE_ACTIONSA;
TServiceFailureActionsW = _SERVICE_FAILURE_ACTIONSW;
TServiceFailureActions = TServiceFailureActionsA;

///////////////////////////////////////////////////////////////////////////
// API Function Prototypes
///////////////////////////////////////////////////////////////////////////
TQueryServiceConfig2 = function (hService : SC_HANDLE; dwInfoLevel : DWORD; lpBuffer : pointer;
cbBufSize : DWORD; var pcbBytesNeeded) : BOOL; stdcall;
TChangeServiceConfig2 = function (hService : SC_HANDLE; dwInfoLevel : DWORD; lpInfo : pointer) : BOOL; stdcall;

var
hDLL : THandle ;
LibLoaded : boolean ;

var
OSVersionInfo : TOSVersionInfo;

{$EXTERNALSYM QueryServiceConfig2A}
QueryServiceConfig2A : TQueryServiceConfig2;
{$EXTERNALSYM QueryServiceConfig2W}
QueryServiceConfig2W : TQueryServiceConfig2;
{$EXTERNALSYM QueryServiceConfig2}
QueryServiceConfig2 : TQueryServiceConfig2;

{$EXTERNALSYM ChangeServiceConfig2A}
ChangeServiceConfig2A : TChangeServiceConfig2;
{$EXTERNALSYM ChangeServiceConfig2W}
ChangeServiceConfig2W : TChangeServiceConfig2;
{$EXTERNALSYM ChangeServiceConfig2}
ChangeServiceConfig2 : TChangeServiceConfig2;

implementation

initialization
OSVersionInfo.dwOSVersionInfoSize := SizeOf(OSVersionInfo);
GetVersionEx(OSVersionInfo);
if (OSVersionInfo.dwPlatformId = VER_PLATFORM_WIN32_NT) and (OSVersionInfo.dwMajorVersion >= 5) then
begin
if hDLL = 0 then
begin
hDLL:=GetModuleHandle(AdvApiDLL);
LibLoaded := False;
if hDLL = 0 then
begin
hDLL := LoadLibrary(AdvApiDLL);
LibLoaded := True;
end;
end;

if hDLL <> 0 then
begin
@QueryServiceConfig2A := GetProcAddress(hDLL, ''''QueryServiceConfig2A'''');
@QueryServiceConfig2W := GetProcAddress(hDLL, ''''QueryServiceConfig2W'''');
@QueryServiceConfig2 := @QueryServiceConfig2A;
@ChangeServiceConfig2A := GetProcAddress(hDLL, ''''ChangeServiceConfig2A'''');
@ChangeServiceConfig2W := GetProcAddress(hDLL, ''''ChangeServiceConfig2W'''');
@ChangeServiceConfig2 := @ChangeServiceConfig2A;
end;
end
else
begin
@QueryServiceConfig2A := nil;
@QueryServiceConfig2W := nil;
@QueryServiceConfig2 := nil;
@ChangeServiceConfig2A := nil;
@ChangeServiceConfig2W := nil;
@ChangeServiceConfig2 := nil;
end;

finalization
if (hDLL <> 0) and LibLoaded then
FreeLibrary(hDLL);

end.

unit winntService;

interface

uses
Windows,WinSvc,WinSvcEx;

function InstallService(const strServiceName,strDisplayName,strDescription,strFilename: string):Boolean;
//eg:InstallService(''''服务名称'''',''''显示名称'''',''''描述信息'''',''''服务文件'''');
procedure UninstallService(strServiceName:string);
implementation

function StrLCopy(Dest: PChar; const Source: PChar; MaxLen: Cardinal): PChar; assembler;
asm
PUSH EDI
PUSH ESI
PUSH EBX
MOV ESI,EAX
MOV EDI,EDX
MOV EBX,ECX
XOR AL,AL
TEST ECX,ECX
JZ @@1
REPNE SCASB
JNE @@1
INC ECX
@@1: SUB EBX,ECX
MOV EDI,ESI
MOV ESI,EDX
MOV EDX,EDI
MOV ECX,EBX
SHR ECX,2
REP MOVSD
MOV ECX,EBX
AND ECX,3
REP MOVSB
STOSB
MOV EAX,EDX
POP EBX
POP ESI
POP EDI
end;

function StrPCopy(Dest: PChar; const Source: string): PChar;
begin
Result := StrLCopy(Dest, PChar(Source), Length(Source));
end;

function InstallService(const strServiceName,strDisplayName,strDescription,strFilename: string):Boolean;
var
//ss : TServiceStatus;
//psTemp : PChar;
hSCM,hSCS:THandle;

srvdesc : PServiceDescription;
desc : string;
//SrvType : DWord;

lpServiceArgVectors:pchar;
begin
Result:=False;
//psTemp := nil;
//SrvType := SERVICE_WIN32_OWN_PROCESS and SERVICE_INTERACTIVE_PROCESS;
hSCM:=OpenSCManager(nil,nil,SC_MANAGER_ALL_ACCESS);//连接服务数据库
if hSCM=0 then Exit;//MessageBox(hHandle,Pchar(SysErrorMessage(GetLastError)),''''服务程序管理器'''',MB_ICONERROR+MB_TOPMOST);


hSCS:=CreateService( //创建服务函数
hSCM, // 服务控制管理句柄
Pchar(strServiceName), // 服务名称
Pchar(strDisplayName), // 显示的服务名称
SERVICE_ALL_ACCESS, // 存取权利
SERVICE_WIN32_OWN_PROCESS or SERVICE_INTERACTIVE_PROCESS,// 服务类型 SERVICE_WIN32_SHARE_PROCESS
SERVICE_AUTO_START, // 启动类型
SERVICE_ERROR_IGNORE, // 错误控制类型
Pchar(strFilename), // 服务程序
nil, // 组服务名称
nil, // 组标识
nil, // 依赖的服务
nil, // 启动服务帐号
nil); // 启动服务口令
if hSCS=0 then Exit;//MessageBox(hHandle,Pchar(SysErrorMessage(GetLastError)),Pchar(Application.Title),MB_ICONERROR+MB_TOPMOST);

if Assigned(ChangeServiceConfig2) then
begin
desc := Copy(strDescription,1,1024);
GetMem(srvdesc,SizeOf(TServiceDescription));
GetMem(srvdesc^.lpDescription,Length(desc) + 1);
try
StrPCopy(srvdesc^.lpDescription, desc);
ChangeServiceConfig2(hSCS,SERVICE_CONFIG_DESCRIPTION,srvdesc);
finally
FreeMem(srvdesc^.lpDescription);
FreeMem(srvdesc);
end;
end;
lpServiceArgVectors := nil;
if not StartService(hSCS, 0, lpServiceArgVectors) then //启动服务
Exit; //MessageBox(hHandle,Pchar(SysErrorMessage(GetLastError)),Pchar(Application.Title),MB_ICONERROR+MB_TOPMOST);
CloseServiceHandle(hSCS); //关闭句柄
Result:=True;
end;

procedure UninstallService(strServiceName:string);
var
SCManager: SC_HANDLE;
Service: SC_HANDLE;
Status: TServiceStatus;
begin
SCManager := OpenSCManager(nil, nil, SC_MANAGER_ALL_ACCESS);
if SCManager = 0 then Exit;
try
Service := OpenService(SCManager, Pchar(strServiceName), SERVICE_ALL_ACCESS);
ControlService(Service, SERVICE_CONTROL_STOP, Status);
DeleteService(Service);
CloseServiceHandle(Service);
finally
CloseServiceHandle(SCManager);
end;
end;

end.

(5)如何暴力关闭一个服务程序,实现我们以前那个"NT工具箱"的功能?首先,根据进程名称来杀死进程是用以下函数:
uses Tlhelp32;

function KillTask(ExeFileName: string): Integer;
const
PROCESS_TERMINATE = $0001;
var
ContinueLoop: BOOL;
FSnapshotHandle: THandle;
FProcessEntry32: TProcessEntry32;
begin
Result := 0;
FSnapshotHandle := CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
FProcessEntry32.dwSize := SizeOf(FProcessEntry32);
ContinueLoop := Process32First(FSnapshotHandle, FProcessEntry32);

while Integer(ContinueLoop) <> 0 do
begin
if ((UpperCase(ExtractFileName(FProcessEntry32.szExeFile)) =
UpperCase(ExeFileName)) or (UpperCase(FProcessEntry32.szExeFile) =
UpperCase(ExeFileName))) then
Result := Integer(TerminateProcess(
OpenProcess(PROCESS_TERMINATE,
BOOL(0),
FProcessEntry32.th32ProcessID),
0));
ContinueLoop := Process32Next(FSnapshotHandle, FProcessEntry32);
end;
CloseHandle(FSnapshotHandle);
end;

但是对于服务程序,它会提示"拒绝访问".其实只要程序拥有Debug权限即可:
function EnableDebugPrivilege: Boolean;
function EnablePrivilege(hToken: Cardinal; PrivName: string; bEnable: Boolean): Boolean;
var
TP: TOKEN_PRIVILEGES;
Dummy: Cardinal;
begin
TP.PrivilegeCount := 1;
LookupPrivilegeValue(nil, pchar(PrivName), TP.Privileges[0].Luid);
if bEnable then
TP.Privileges[0].Attributes := SE_PRIVILEGE_ENABLED
else TP.Privileges[0].Attributes := 0;
AdjustTokenPrivileges(hToken, False, TP, SizeOf(TP), nil, Dummy);
Result := GetLastError = ERROR_SUCCESS;
end;

var
hToken: Cardinal;
begin
OpenProcessToken(GetCurrentProcess, TOKEN_ADJUST_PRIVILEGES, hToken);
result:=EnablePrivilege(hToken, ''''SeDebugPrivilege'''', True);
CloseHandle(hToken);
end;

使用方法:
EnableDebugPrivilege;//提升权限
KillTask(''''xxxx.exe'''');//关闭该服务程序.

-----------------------------------作者：陈经韬 来源：CnXHacker.Net -----------------

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