基于 NT 的系统服务

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;Inno Setup Extensions Knowledge Base
;Article 31 - Functions to Start, Stop, Install, Remove a NT Service
;http://www13.brinkster.com/vincenzog/isxart.asp?idart=31
;Author: Silvio Iaccarino
;Compiler: ISX 3.0.4
;
[Setup]
AppName=test
AppVerName=test
CreateAppDir=false
UsePreviousAppDir=false
UsePreviousGroup=false
AlwaysShowComponentsList=false
ShowComponentSizes=false
FlatComponentsList=false
UsePreviousSetupType=false
UsePreviousTasks=false
UsePreviousUserInfo=false
DisableStartupPrompt=true
[_ISTool]
EnableISX=true
[Code]
type
SERVICE_STATUS = record
dwServiceType : cardinal;
dwCurrentState : cardinal;
dwControlsAccepted : cardinal;
dwWin32ExitCode : cardinal;
dwServiceSpecificExitCode : cardinal;
dwCheckPoint : cardinal;
dwWaitHint : cardinal;
end;
HANDLE = cardinal;
const
SERVICE_QUERY_CONFIG = $1;
SERVICE_CHANGE_CONFIG = $2;
SERVICE_QUERY_STATUS = $4;
SERVICE_START = $10;
SERVICE_STOP = $20;
SERVICE_ALL_ACCESS = $f01ff;
SC_MANAGER_ALL_ACCESS = $f003f;
SERVICE_WIN32_OWN_PROCESS = $10;
SERVICE_WIN32_SHARE_PROCESS = $20;
SERVICE_WIN32 = $30;
SERVICE_INTERACTIVE_PROCESS = $100;
SERVICE_BOOT_START = $0;
SERVICE_SYSTEM_START = $1;
SERVICE_AUTO_START = $2;
SERVICE_DEMAND_START = $3;
SERVICE_DISABLED = $4;
SERVICE_DELETE = $10000;
SERVICE_CONTROL_STOP = $1;
SERVICE_CONTROL_PAUSE = $2;
SERVICE_CONTROL_CONTINUE = $3;
SERVICE_CONTROL_INTERROGATE = $4;
SERVICE_STOPPED = $1;
SERVICE_START_PENDING = $2;
SERVICE_STOP_PENDING = $3;
SERVICE_RUNNING = $4;
SERVICE_CONTINUE_PENDING = $5;
SERVICE_PAUSE_PENDING = $6;
SERVICE_PAUSED = $7;
// #######################################################################################
// nt based service utilities
// #######################################################################################
function OpenSCManager(lpMachineName, lpDatabaseName: string; dwDesiredAccess :cardinal): HANDLE;
external 'OpenSCManagerW@advapi32.dll stdcall';
function OpenService(hSCManager :HANDLE;lpServiceName: string; dwDesiredAccess :cardinal): HANDLE;
external 'OpenServiceW@advapi32.dll stdcall';
function CloseServiceHandle(hSCObject :HANDLE): boolean;
external 'CloseServiceHandle@advapi32.dll stdcall';
function CreateService(hSCManager :HANDLE;lpServiceName, lpDisplayName: string;dwDesiredAccess,dwServiceType,dwStartType,dwErrorControl: cardinal;lpBinaryPathName,lpLoadOrderGroup: String; lpdwTagId : cardinal;lpDependencies,lpServiceStartName,lpPassword :string): cardinal;
external 'CreateServiceW@advapi32.dll stdcall';
function DeleteService(hService :HANDLE): boolean;
external 'DeleteService@advapi32.dll stdcall';
function StartNTService(hService :HANDLE;dwNumServiceArgs : cardinal;lpServiceArgVectors : cardinal) : boolean;
external 'StartServiceW@advapi32.dll stdcall';
function ControlService(hService :HANDLE; dwControl :cardinal;var ServiceStatus :SERVICE_STATUS) : boolean;
external 'ControlService@advapi32.dll stdcall';
function QueryServiceStatus(hService :HANDLE;var ServiceStatus :SERVICE_STATUS) : boolean;
external 'QueryServiceStatus@advapi32.dll stdcall';
function QueryServiceStatusEx(hService :HANDLE;ServiceStatus :SERVICE_STATUS) : boolean;
external 'QueryServiceStatus@advapi32.dll stdcall';
function OpenServiceManager() : HANDLE;
begin
if UsingWinNT() = true then begin
Result := OpenSCManager('','ServicesActive',SC_MANAGER_ALL_ACCESS);
if Result = 0 then
MsgBox('the servicemanager is not available', mbError, MB_OK)
end
else begin
MsgBox('only nt based systems support services', mbError, MB_OK)
Result := 0;
end
end;
function IsServiceInstalled(ServiceName: string) : boolean;
var
hSCM : HANDLE;
hService: HANDLE;
begin
hSCM := OpenServiceManager();
Result := false;
if hSCM <> 0 then begin
hService := OpenService(hSCM,ServiceName,SERVICE_QUERY_CONFIG);
if hService <> 0 then begin
Result := true;
CloseServiceHandle(hService)
end;
CloseServiceHandle(hSCM)
end
end;
function InstallService(FileName, ServiceName, DisplayName, Description : string;ServiceType,StartType :cardinal) : boolean;
var
hSCM : HANDLE;
hService: HANDLE;
begin
hSCM := OpenServiceManager();
Result := false;
if hSCM <> 0 then begin
hService := CreateService(hSCM,ServiceName,DisplayName,SERVICE_ALL_ACCESS,ServiceType,StartType,0,FileName,'',0,'','','');
if hService <> 0 then begin
Result := true;
// Win2K & WinXP supports aditional description text for services
if Description<> '' then
RegWriteStringValue(HKLM,'System\CurrentControlSet\Services\' + ServiceName,'Description',Description);
CloseServiceHandle(hService)
end;
CloseServiceHandle(hSCM)
end
end;
function RemoveService(ServiceName: string) : boolean;
var
hSCM : HANDLE;
hService: HANDLE;
begin
hSCM := OpenServiceManager();
Result := false;
if hSCM <> 0 then begin
hService := OpenService(hSCM,ServiceName,SERVICE_DELETE);
if hService <> 0 then begin
Result := DeleteService(hService);
CloseServiceHandle(hService)
end;
CloseServiceHandle(hSCM)
end
end;
function StartService(ServiceName: string) : boolean;
var
hSCM : HANDLE;
hService: HANDLE;
begin
hSCM := OpenServiceManager();
Result := false;
if hSCM <> 0 then begin
hService := OpenService(hSCM,ServiceName,SERVICE_START);
if hService <> 0 then begin
Result := StartNTService(hService,0,0);
CloseServiceHandle(hService)
end;
CloseServiceHandle(hSCM)
end;
end;
function StopService(ServiceName: string) : boolean;
var
hSCM : HANDLE;
hService: HANDLE;
Status : SERVICE_STATUS;
begin
hSCM := OpenServiceManager();
Result := false;
if hSCM <> 0 then begin
hService := OpenService(hSCM,ServiceName,SERVICE_STOP);
if hService <> 0 then begin
Result := ControlService(hService,SERVICE_CONTROL_STOP,Status);
CloseServiceHandle(hService)
end;
CloseServiceHandle(hSCM)
end;
end;
function IsServiceRunning(ServiceName: string) : boolean;
var
hSCM : HANDLE;
hService: HANDLE;
Status : SERVICE_STATUS;
begin
hSCM := OpenServiceManager();
Result := false;
if hSCM <> 0 then begin
hService := OpenService(hSCM,ServiceName,SERVICE_QUERY_STATUS);
if hService <> 0 then begin
if QueryServiceStatus(hService,Status) then begin
Result :=(Status.dwCurrentState = SERVICE_RUNNING)
end;
CloseServiceHandle(hService)
end;
CloseServiceHandle(hSCM)
end
end;
// #######################################################################################
// create an entry in the services file
// #######################################################################################
function SetupService(service, port, comment: string) : boolean;
var
filename : string;
s : string;
lines : TArrayOfString;
n : longint;
i : longint;
errcode : integer;
servnamlen : integer;
error : boolean;
begin
if UsingWinNT() = true then
filename := ExpandConstant('{sys}\drivers\etc\services')
else
filename := ExpandConstant('{win}\services');
if LoadStringsFromFile(filename,lines) = true then begin
Result := true;
n := GetArrayLength(lines) - 1;
servnamlen := Length(service);
error := false;
for i:=0 to n do begin
if Copy(lines[i],1,1) <> '#' then begin
s := Copy(lines[i],1,servnamlen);
if CompareText(s,service) = 0 then
exit; // found service-entry
if Pos(port,lines[i]) > 0 then begin
error := true;
lines[i] := '#' + lines[i] + ' # disabled because collision with ' + service + ' service';
end;
end
else if CompareText(Copy(lines[i],2,servnamlen),service) = 0 then begin
// service-entry was disabled
Delete(lines[i],1,1);
Result := SaveStringsToFile(filename,lines,false);
exit;
end;
end;
if error = true then begin
// save disabled entries
if SaveStringsToFile(filename,lines,false) = false then begin
Result := false;
exit;
end;
end;
// create new service entry
s := service + ' ' + port + ' # ' + comment + #13#10;
if SaveStringToFile(filename,s,true) = false then begin
Result := false;
exit;
end;
if error = true then begin
MsgBox('the ' + service + ' port was already used. The old service is disabled now. You should check the services file manually now.',mbInformation,MB_OK);
Exec('notepad.exe',filename,GetCurrentDir(),SW_SHOWNORMAL,ewWaitUntilTerminated,errcode);
end;
end
else
Result := false;
end;
// #######################################################################################
// version functions
// #######################################################################################
function CheckVersion(Filename : string;hh,hl,lh,ll : integer) : boolean;
var
VersionMS : cardinal;
VersionLS : cardinal;
CheckMS : cardinal;
CheckLS : cardinal;
begin
if GetVersionNumbers(Filename,VersionMS,VersionLS) = false then
Result := false
else begin
CheckMS := (hh shl $10) or hl;
CheckLS := (lh shl $10) or ll;
Result := (VersionMS > CheckMS) or ((VersionMS = CheckMS) and (VersionLS >= CheckLS));
end;
end;
// Some examples for version checking
function NeedShellFolderUpdate() : boolean;
begin
Result := CheckVersion('ShFolder.dll',5,50,4027,300) = false;
end;
function NeedVCRedistUpdate() : boolean;
begin
Result := (CheckVersion('mfc42.dll',6,0,8665,0) = false)
or (CheckVersion('msvcrt.dll',6,0,8797,0) = false)
or (CheckVersion('comctl32.dll',5,80,2614,3600) = false);
end;
function NeedHTMLHelpUpdate() : boolean;
begin
Result := CheckVersion('hh.exe',4,72,0,0) = false;
end;
function NeedWinsockUpdate() : boolean;
begin
Result := (UsingWinNT() = false) and (CheckVersion('mswsock.dll',4,10,0,1656) = false);
end;
function NeedDCOMUpdate() : boolean;
begin
Result := (UsingWinNT() = false) and (CheckVersion('oleaut32.dll',2,30,0,0) = false);
end;
// function IsServiceInstalled(ServiceName: string) : boolean;
// function IsServiceRunning(ServiceName: string) : boolean;
// function InstallService(FileName, ServiceName, DisplayName, Description : string;ServiceType,StartType :cardinal) : boolean;
// function RemoveService(ServiceName: string) : boolean;
// function StartService(ServiceName: string) : boolean;
// function StopService(ServiceName: string) : boolean;
// function SetupService(service, port, comment: string) : boolean;
// function CheckVersion(Filename : string;hh,hl,lh,ll : integer) : boolean;
//这是重点
function InitializeSetup(): boolean;
begin
if IsServiceInstalled('myservice') = false then begin
if InstallService('c:\winnt\system32\myservice.exe','myservice','my service','my service is doing usefull things',SERVICE_WIN32_OWN_PROCESS,SERVICE_AUTO_START) = true then begin
StartService('myservice');
StopService('myservice');
// after stopping a service you should wait some seconds before removing
RemoveService('myservice');
// otherwise removing can fail
end
end
else if IsServiceRunning('myservice') then
MsgBox('myservice is running',mbInformation, MB_OK);
Result := false
end;

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