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401 lines
11 KiB
C++
401 lines
11 KiB
C++
/* ------------------------------------------------------------------------
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Windows NT Service class library
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Copyright Abandoned 1998 Irena Pancirov - Irnet Snc
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This file is public domain and comes with NO WARRANTY of any kind
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-------------------------------------------------------------------------- */
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#include <windows.h>
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#include <process.h>
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#include "nt_servc.h"
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static NTService *pService;
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/* ------------------------------------------------------------------------
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-------------------------------------------------------------------------- */
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NTService::NTService()
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{
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bOsNT = FALSE;
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//service variables
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ServiceName = NULL;
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hExitEvent = 0;
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bPause = FALSE;
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bRunning = FALSE;
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hThreadHandle = 0;
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fpServiceThread = NULL;
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//time-out variables
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nStartTimeOut = 15000;
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nStopTimeOut = 15000;
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nPauseTimeOut = 5000;
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nResumeTimeOut = 5000;
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//install variables
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dwDesiredAccess = SERVICE_ALL_ACCESS;
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dwServiceType = SERVICE_WIN32_OWN_PROCESS;
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dwStartType = SERVICE_AUTO_START;
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dwErrorControl = SERVICE_ERROR_NORMAL;
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szLoadOrderGroup = NULL;
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lpdwTagID = NULL;
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szDependencies = NULL;
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my_argc = 0;
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my_argv = NULL;
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hShutdownEvent = 0;
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nError = 0;
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dwState = 0;
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}
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/* ------------------------------------------------------------------------
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-------------------------------------------------------------------------- */
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NTService::~NTService()
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{
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if(ServiceName != NULL) delete[] ServiceName;
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}
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/* ------------------------------------------------------------------------
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-------------------------------------------------------------------------- */
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BOOL NTService::GetOS()
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{
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bOsNT = FALSE;
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memset(&osVer, 0, sizeof(OSVERSIONINFO));
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osVer.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
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if (GetVersionEx(&osVer))
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{
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if (osVer.dwPlatformId == VER_PLATFORM_WIN32_NT)
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bOsNT = TRUE;
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}
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return bOsNT;
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}
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/* ------------------------------------------------------------------------
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Init() Registers the main service thread with the service manager
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ServiceThread - pointer to the main programs entry function
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when the service is started
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-------------------------------------------------------------------------- */
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long NTService::Init(LPCSTR szInternName,void *ServiceThread)
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{
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pService = this;
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fpServiceThread = (THREAD_FC)ServiceThread;
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ServiceName = new char[lstrlen(szInternName)+1];
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lstrcpy(ServiceName,szInternName);
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SERVICE_TABLE_ENTRY stb[] =
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{
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{ (char *)szInternName,(LPSERVICE_MAIN_FUNCTION) ServiceMain} ,
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{ NULL, NULL }
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};
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return StartServiceCtrlDispatcher(stb); //register with the Service Manager
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}
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/* ------------------------------------------------------------------------
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Install() - Installs the service with Service manager
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nError values:
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0 success
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1 Can't open the Service manager
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2 Failed to create service
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-------------------------------------------------------------------------- */
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BOOL NTService::Install(LPCSTR szInternName,LPCSTR szDisplayName,
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LPCSTR szFullPath, LPCSTR szAccountName,LPCSTR szPassword)
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{
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SC_HANDLE newService, scm;
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nError=0;
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// open a connection to the SCM
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scm = OpenSCManager(0, 0,SC_MANAGER_CREATE_SERVICE);
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if(scm) // Install the new service
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{ newService = CreateService(
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scm,
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szInternName,
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szDisplayName,
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dwDesiredAccess, //default: SERVICE_ALL_ACCESS
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dwServiceType, //default: SERVICE_WIN32_OWN_PROCESS
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dwStartType, //default: SERVICE_AUTOSTART
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dwErrorControl, //default: SERVICE_ERROR_NORMAL
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szFullPath, //exec full path
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szLoadOrderGroup, //default: NULL
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lpdwTagID, //default: NULL
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szDependencies, //default: NULL
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szAccountName, //default: NULL
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szPassword); //default: NULL
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if (newService) CloseServiceHandle(newService); // clean up
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else nError=2;
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// clean up
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CloseServiceHandle(scm);
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}
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else nError=1;
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return (!nError);
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}
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/* ------------------------------------------------------------------------
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Remove() - Removes the service
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nError values:
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0 success
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1 Can't open the Service manager
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2 Failed to locate service
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3 Failed to delete service
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-------------------------------------------------------------------------- */
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BOOL NTService::Remove(LPCSTR szInternName)
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{
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SC_HANDLE service, scm;
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nError=0;
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// open a connection to the SCM
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scm = OpenSCManager(0, 0,SC_MANAGER_CREATE_SERVICE);
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if (scm)
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{
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//open the service
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service = OpenService(scm,szInternName, DELETE );
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if(service)
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{
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if(!DeleteService(service)) nError=3;
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CloseServiceHandle(service);
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}
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else
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{
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//MessageBox(NULL,"Can't find the service","Remove Error",MB_OK|MB_ICONHAND);
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nError=2;
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}
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CloseServiceHandle(scm);
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}
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else nError=1;
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return (!nError);
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}
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/* ------------------------------------------------------------------------
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Stop() - this function should be called before the app. exits to stop
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the service
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-------------------------------------------------------------------------- */
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void NTService::Stop(void)
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{
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SetStatus(SERVICE_STOP_PENDING,NO_ERROR, 0, 1, 60000);
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StopService();
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SetStatus(SERVICE_STOPPED, NO_ERROR, 0, 1, 1000);
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}
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/* ------------------------------------------------------------------------
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ServiceMain() - This is the function that is called from the
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service manager to start the service
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-------------------------------------------------------------------------- */
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void NTService::ServiceMain(DWORD argc, LPTSTR *argv)
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{
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// registration function
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pService->hServiceStatusHandle =
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RegisterServiceCtrlHandler(pService->ServiceName,
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(LPHANDLER_FUNCTION )NTService::ServiceCtrlHandler);
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if(!pService->hServiceStatusHandle)
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{
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pService->Exit(GetLastError());
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return;
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}
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// notify SCM of progress
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if(!pService->SetStatus(SERVICE_START_PENDING,NO_ERROR, 0, 1, 8000))
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{
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pService->Exit(GetLastError());
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return;
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}
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// create the exit event
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pService->hExitEvent = CreateEvent (0, TRUE, FALSE,0);
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if(!pService->hExitEvent)
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{
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pService->Exit(GetLastError());
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return;
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}
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if(!pService->SetStatus(SERVICE_START_PENDING,NO_ERROR, 0, 3, pService->nStartTimeOut))
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{
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pService->Exit(GetLastError());
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return;
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}
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// save start arguments
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pService->my_argc=argc;
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pService->my_argv=argv;
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// start the service
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if(!pService->StartService())
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{
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pService->Exit(GetLastError());
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return;
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}
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// the service is now running.
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if(!pService->SetStatus(SERVICE_RUNNING,NO_ERROR, 0, 0, 0))
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{
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pService->Exit(GetLastError());
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return;
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}
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// wait for exit event
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WaitForSingleObject (pService->hExitEvent, INFINITE);
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// wait for thread to exit
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WaitForSingleObject (pService->hThreadHandle, 30000);
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pService->Exit(0);
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}
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/* ------------------------------------------------------------------------
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StartService() - starts the appliaction thread
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-------------------------------------------------------------------------- */
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BOOL NTService::StartService()
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{
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// Start the real service's thread (application)
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hThreadHandle = (HANDLE) _beginthread((THREAD_FC)fpServiceThread,0,(void *)this);
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if (hThreadHandle==0) return FALSE;
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bRunning = TRUE;
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return TRUE;
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}
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/* ------------------------------------------------------------------------
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-------------------------------------------------------------------------- */
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void NTService::StopService()
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{
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bRunning=FALSE;
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// Set the event for application
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if(hShutdownEvent)
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SetEvent(hShutdownEvent);
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// Set the event for ServiceMain
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SetEvent(hExitEvent);
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}
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/* ------------------------------------------------------------------------
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-------------------------------------------------------------------------- */
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void NTService::PauseService()
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{
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bPause = TRUE;
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SuspendThread(hThreadHandle);
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}
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/* ------------------------------------------------------------------------
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-------------------------------------------------------------------------- */
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void NTService::ResumeService()
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{
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bPause=FALSE;
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ResumeThread(hThreadHandle);
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}
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/* ------------------------------------------------------------------------
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-------------------------------------------------------------------------- */
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BOOL NTService::SetStatus (DWORD dwCurrentState,DWORD dwWin32ExitCode,
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DWORD dwServiceSpecificExitCode,DWORD dwCheckPoint,DWORD dwWaitHint)
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{
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BOOL bRet;
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SERVICE_STATUS serviceStatus;
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dwState=dwCurrentState;
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serviceStatus.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
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serviceStatus.dwCurrentState = dwCurrentState;
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if (dwCurrentState == SERVICE_START_PENDING)
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serviceStatus.dwControlsAccepted = 0; //don't accept conrol events
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else
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serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP |
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SERVICE_ACCEPT_PAUSE_CONTINUE | SERVICE_ACCEPT_SHUTDOWN;
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// if a specific exit code is defined,set up the win32 exit code properly
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if (dwServiceSpecificExitCode == 0)
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serviceStatus.dwWin32ExitCode = dwWin32ExitCode;
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else
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serviceStatus.dwWin32ExitCode = ERROR_SERVICE_SPECIFIC_ERROR;
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serviceStatus.dwServiceSpecificExitCode = dwServiceSpecificExitCode;
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serviceStatus.dwCheckPoint = dwCheckPoint;
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serviceStatus.dwWaitHint = dwWaitHint;
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// Pass the status to the Service Manager
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bRet=SetServiceStatus (hServiceStatusHandle, &serviceStatus);
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if(!bRet) StopService();
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return bRet;
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}
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/* ------------------------------------------------------------------------
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-------------------------------------------------------------------------- */
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void NTService::ServiceCtrlHandler(DWORD ctrlCode)
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{
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DWORD dwState = 0;
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if(!pService) return;
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dwState=pService->dwState; // get current state
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switch(ctrlCode)
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{
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/*********** do we need this ? *******************************
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case SERVICE_CONTROL_PAUSE:
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if (pService->bRunning && ! pService->bPause)
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{
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dwState = SERVICE_PAUSED;
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pService->SetStatus(SERVICE_PAUSE_PENDING,NO_ERROR, 0, 1, pService->nPauseTimeOut);
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pService->PauseService();
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}
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break;
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case SERVICE_CONTROL_CONTINUE:
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if (pService->bRunning && pService->bPause)
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{
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dwState = SERVICE_RUNNING;
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pService->SetStatus(SERVICE_CONTINUE_PENDING,NO_ERROR, 0, 1, pService->nResumeTimeOut);
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pService->ResumeService();
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}
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break;
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****************************************************************/
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case SERVICE_CONTROL_SHUTDOWN:
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case SERVICE_CONTROL_STOP:
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dwState = SERVICE_STOP_PENDING;
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pService->SetStatus(SERVICE_STOP_PENDING,NO_ERROR, 0, 1, pService->nStopTimeOut);
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pService->StopService();
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break;
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default:
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pService->SetStatus(dwState, NO_ERROR,0, 0, 0);
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break;
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}
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//pService->SetStatus(dwState, NO_ERROR,0, 0, 0);
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}
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/* ------------------------------------------------------------------------
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-------------------------------------------------------------------------- */
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void NTService::Exit(DWORD error)
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{
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if (hExitEvent) CloseHandle(hExitEvent);
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// Send a message to the scm to tell that we stop
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if (hServiceStatusHandle)
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SetStatus(SERVICE_STOPPED, error,0, 0, 0);
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// If the thread has started kill it ???
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// if (hThreadHandle) CloseHandle(hThreadHandle);
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}
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/* ------------------------- the end -------------------------------------- */
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