Leaked source code of windows server 2003
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//Copyright (c) 1998 - 1999 Microsoft Corporation
/*******************************************************************************
*
* server.cpp
*
* implementation of the CServer class
*
*
*******************************************************************************/
#include "stdafx.h"
#include "winadmin.h"
#include "admindoc.h"
#include "dialogs.h"
#include <malloc.h> // for alloca used by Unicode conversion macros
#include <afxconv.h> // for Unicode conversion macros
static int _convert;
#include <winsta.h>
#include <regapi.h>
#include "..\..\inc\utilsub.h"
#include "procs.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
//////////////////////////////////////////////////////////////////////////////////////////
//
// CServer Member Functions
//
//////////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
// CServer::CServer
//
// Constructor for the server class
CServer::CServer(CDomain *pDomain, TCHAR *name, BOOL bFoundLater, BOOL bConnect)
{
ASSERT(name);
m_ServerFlags = ULONG(0);
m_pDomain = pDomain;
if(bFoundLater) SetFoundLater();
//m_State = SS_NONE;
m_PreviousState = SS_NONE;
m_hTreeItem = NULL;
m_hThisServer = NULL;
m_hFavTree = NULL;
m_bThreadAlive = FALSE;
m_pExtensionInfo = NULL;
m_pExtServerInfo = NULL;
m_pRegistryInfo = NULL;
m_fManualFind = FALSE;
m_hBackgroundThread = NULL;
// Don't call SetState because we don't want to send a message to the views
m_State = SS_NOT_CONNECTED;
// save off the server name
lstrcpyn(m_Name, name, sizeof(m_Name) / sizeof(TCHAR));
// Dummy up an ExtServerInfo structure
// This is to make it easier for code that tries
// to access this structure before the extension DLL
// has provided it
m_pExtServerInfo = ((CWinAdminDoc*)((CWinAdminApp*)AfxGetApp())->GetDocument())->GetDefaultExtServerInfo();
if(bConnect) Connect();
} // end CServer::CServer
/////////////////////////////////////////////////////////////////////////////
// CServer::~CServer
//
// Destructor for the server class
CServer::~CServer()
{
// Disconnect();
m_hTreeItem = NULL;
m_hFavTree = NULL;
m_hThisServer = NULL;
} // end CServer::~CServer
/////////////////////////////////////////////////////////////////////////////
// CServer::RemoveWinStationProcesses
//
// remove all the processes for a given WinStation
void CServer::RemoveWinStationProcesses(CWinStation *pWinStation)
{
ASSERT(pWinStation);
CWinAdminDoc *pDoc = (CWinAdminDoc*)((CWinAdminApp*)AfxGetApp())->GetDocument();
CObList TempList;
LockProcessList();
POSITION pos = m_ProcessList.GetHeadPosition();
while(pos) {
POSITION pos2 = pos;
CProcess *pProcess = (CProcess*)m_ProcessList.GetNext(pos);
if(pProcess->GetWinStation() == pWinStation) {
// Add the process to our temporary list
TempList.AddTail(pProcess);
// Remove the process from the list of processes
pProcess = (CProcess*)m_ProcessList.GetAt(pos2);
m_ProcessList.RemoveAt(pos2);
}
}
UnlockProcessList();
pos = TempList.GetHeadPosition();
while(pos) {
POSITION pos2 = pos;
CProcess *pProcess = (CProcess*)TempList.GetNext(pos);
// Send a message to remove the Process from the view
CFrameWnd *p = (CFrameWnd*)pDoc->GetMainWnd();
if(p && ::IsWindow(p->GetSafeHwnd())) {
p->SendMessage(WM_ADMIN_REMOVE_PROCESS, 0, (LPARAM)pProcess);
}
delete pProcess;
}
TempList.RemoveAll();
} // end CServer::RemoveWinStationProcesses
/////////////////////////////////////////////////////////////////////////////
// CServer::ClearAllSelected
//
// Clears the WAF_SELECTED bit in all of this server's lists
//
void CServer::ClearAllSelected()
{
// Clear the WinStation list WAF_SELECTED flags
// Iterate through the WinStation list
LockWinStationList( );
POSITION pos = m_WinStationList.GetHeadPosition();
while(pos) {
CWinStation *pWinStation = (CWinStation*)m_WinStationList.GetNext(pos);
pWinStation->ClearSelected();
}
m_NumWinStationsSelected = 0;
UnlockWinStationList( );
LockProcessList();
// Clear the Process list PF_SELECTED flags
// Iterate through the Process list
pos = m_ProcessList.GetHeadPosition();
while(pos) {
CProcess *pProcess = (CProcess*)m_ProcessList.GetNext(pos);
pProcess->ClearSelected();
}
m_NumProcessesSelected = 0;
UnlockProcessList( );
} // end CServer::ClearAllSelected
static TCHAR szMicrosoftKey[] = TEXT("SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion");
static TCHAR szInstallDate[] = TEXT("InstallDate");
static TCHAR szCSDVersion[] = TEXT("CSDVersion");
static TCHAR szCurrentVersion[] = TEXT("CurrentVersion");
static TCHAR szCurrentBuildNumber[] = TEXT("CurrentBuildNumber");
static TCHAR szCurrentProductName[] = TEXT("ProductName");
static TCHAR szHotfixKey[] = TEXT("HOTFIX");
static TCHAR szValid[] = TEXT("Valid");
static TCHAR szInstalledOn[] = TEXT("Installed On");
static TCHAR szInstalledBy[] = TEXT("Installed By");
#define REG_CONTROL_CITRIX REG_CONTROL L"\\Citrix"
/////////////////////////////////////////////////////////////////////////////
// CServer::BuildRegistryInfo
//
// Go out and fill in the registry info structure
BOOL CServer::BuildRegistryInfo()
{
DWORD dwType, dwSize;
HKEY hKeyServer;
HKEY hKey;
if(!IsServerSane()) return FALSE;
m_pRegistryInfo = new ServerRegistryInfo;
if(!m_pRegistryInfo) return FALSE;
memset(m_pRegistryInfo, 0, sizeof(ServerRegistryInfo));
TCHAR Buffer[128];
Buffer[0] = TEXT('\\');
Buffer[1] = TEXT('\\');
Buffer[2] = TEXT('\0');
lstrcpyn(Buffer+2, m_Name, sizeof(Buffer) / sizeof(TCHAR) - lstrlen(Buffer));
/*
* Connect to the server's registry
* (avoid using RPC when the server is the local machine.)
*/
if(RegConnectRegistry(IsCurrentServer() ? NULL : Buffer, HKEY_LOCAL_MACHINE, &hKeyServer) != ERROR_SUCCESS)
return FALSE;
/*
* Fetch MS information.
*/
if(RegOpenKeyEx(hKeyServer, szMicrosoftKey, 0, KEY_READ, &hKey) != ERROR_SUCCESS) {
RegCloseKey(hKeyServer);
return FALSE;
}
dwSize = sizeof(m_pRegistryInfo->InstallDate);
if(RegQueryValueEx(hKey, szInstallDate, NULL, &dwType, (LPBYTE)&m_pRegistryInfo->InstallDate,
&dwSize) != ERROR_SUCCESS) {
m_pRegistryInfo->InstallDate = 0xFFFFFFFF;
}
// REMARK: we should check the returned codes for every RegQueryValueEx
dwSize = sizeof(m_pRegistryInfo->ServicePackLevel);
RegQueryValueEx(hKey, szCSDVersion, NULL, &dwType, (LPBYTE)&m_pRegistryInfo->ServicePackLevel, &dwSize);
dwSize = sizeof(m_pRegistryInfo->MSVersion);
RegQueryValueEx(hKey, szCurrentVersion, NULL, &dwType, (LPBYTE)&m_pRegistryInfo->MSVersion, &dwSize);
m_pRegistryInfo->MSVersionNum = _wtol(m_pRegistryInfo->MSVersion);
dwSize = sizeof(m_pRegistryInfo->MSBuild);
RegQueryValueEx(hKey, szCurrentBuildNumber, NULL, &dwType, (LPBYTE)&m_pRegistryInfo->MSBuild, &dwSize);
dwSize = sizeof(m_pRegistryInfo->MSProductName);
RegQueryValueEx(hKey, szCurrentProductName, NULL, &dwType, (LPBYTE)&m_pRegistryInfo->MSProductName, &dwSize);
HKEY hKeyHotfix;
if(RegOpenKeyEx(hKey, szHotfixKey, 0, KEY_READ, &hKeyHotfix) == ERROR_SUCCESS) {
DWORD Index = 0;
FILETIME LastWriteTime;
dwSize = sizeof(Buffer) / sizeof( TCHAR );
while(RegEnumKeyEx(hKeyHotfix, Index, Buffer, &dwSize, NULL, NULL, NULL,
&LastWriteTime) == ERROR_SUCCESS) {
HKEY hKeySingleHotfix;
if(RegOpenKeyEx(hKeyHotfix, Buffer, 0, KEY_READ, &hKeySingleHotfix) == ERROR_SUCCESS) {
// Create a CHotFix object
CHotfix *pHotfix = new CHotfix;
if(pHotfix) {
// Copy the Hotfix name
// Get rid of the WF: if it's there
if(wcsncmp(Buffer, TEXT("WF:"), 3) == 0) {
lstrcpyn(pHotfix->m_Name, &Buffer[3], sizeof(pHotfix->m_Name) / sizeof(TCHAR));
}
else lstrcpyn(pHotfix->m_Name, Buffer, sizeof(pHotfix->m_Name) / sizeof(TCHAR));
// Get the Valid entry
dwSize = sizeof(&pHotfix->m_Valid);
if(RegQueryValueEx(hKeySingleHotfix, szValid, NULL, &dwType, (LPBYTE)&pHotfix->m_Valid,
&dwSize) != ERROR_SUCCESS) {
pHotfix->m_Valid = 0L;
}
// Get the Installed On entry
dwSize = sizeof(&pHotfix->m_InstalledOn);
if(RegQueryValueEx(hKeySingleHotfix, szInstalledOn, NULL, &dwType, (LPBYTE)&pHotfix->m_InstalledOn,
&dwSize) != ERROR_SUCCESS) {
pHotfix->m_InstalledOn = 0xFFFFFFFF;
}
// Get the Installed By entry
dwSize = sizeof(pHotfix->m_InstalledBy);
if(RegQueryValueEx(hKeySingleHotfix, szInstalledBy, NULL, &dwType, (LPBYTE)pHotfix->m_InstalledBy,
&dwSize) != ERROR_SUCCESS) {
pHotfix->m_InstalledBy[0] = '\0';
}
pHotfix->m_pServer = this;
m_HotfixList.AddTail(pHotfix);
RegCloseKey(hKeySingleHotfix);
}
}
dwSize = sizeof(Buffer) / sizeof( TCHAR );
Index++;
}
RegCloseKey(hKeyHotfix);
}
RegCloseKey(hKey);
if (m_pRegistryInfo->MSVersionNum < 5) // only for TS 4.0
{
/*
* Fetch Citrix information.
*/
// Look in the new location
LONG result = RegOpenKeyEx(hKeyServer, REG_CONTROL_TSERVER, 0, KEY_READ, &hKey);
if(result != ERROR_SUCCESS) {
// Look in the old location
result = RegOpenKeyEx(hKeyServer, REG_CONTROL_CITRIX, 0, KEY_READ, &hKey);
}
if(result != ERROR_SUCCESS) {
RegCloseKey(hKeyServer);
return FALSE;
}
dwSize = sizeof(m_pRegistryInfo->CTXProductName);
RegQueryValueEx(hKey, REG_CITRIX_PRODUCTNAME, NULL, &dwType, (LPBYTE)m_pRegistryInfo->CTXProductName, &dwSize);
dwSize = sizeof(m_pRegistryInfo->CTXVersion);
RegQueryValueEx(hKey, REG_CITRIX_PRODUCTVERSION, NULL, &dwType, (LPBYTE)m_pRegistryInfo->CTXVersion, &dwSize);
m_pRegistryInfo->CTXVersionNum = wcstol(m_pRegistryInfo->CTXVersion, NULL, 16);
dwSize = sizeof(m_pRegistryInfo->CTXBuild);
RegQueryValueEx(hKey, REG_CITRIX_PRODUCTBUILD, NULL, &dwType, (LPBYTE)m_pRegistryInfo->CTXBuild, &dwSize);
RegCloseKey(hKey);
}
else // for NT 5.0 and beyond, do not query the registry
{
//REMARK: we should get rid of all this.
wcscpy(m_pRegistryInfo->CTXProductName, m_pRegistryInfo->MSProductName);
wcscpy(m_pRegistryInfo->CTXVersion, m_pRegistryInfo->MSVersion);
m_pRegistryInfo->CTXVersionNum = m_pRegistryInfo->MSVersionNum;
wcscpy(m_pRegistryInfo->CTXBuild, m_pRegistryInfo->MSBuild);
}
RegCloseKey(hKeyServer);
// Set the flag to say the info is valid
SetRegistryInfoValid();
return TRUE;
} // end CServer::BuildRegistryInfo
/////////////////////////////////////////////////////////////////////////////
// CServer::AddWinStation
//
// Add a WinStation to the Server's WinStationList in
// sorted order
// NOTE: The list should be NOT be locked by the caller
//
void CServer::AddWinStation(CWinStation *pNewWinStation)
{
ASSERT(pNewWinStation);
LockWinStationList();
ODS( L"CServer!AddWinStation\n" );
BOOLEAN bAdded = FALSE;
POSITION pos, oldpos;
int Index;
// Traverse the WinStationList and insert this new WinStation,
// keeping the list sorted by Sort Order, then Protocol.
for(Index = 0, pos = m_WinStationList.GetHeadPosition(); pos != NULL; Index++) {
oldpos = pos;
CWinStation *pWinStation = (CWinStation*)m_WinStationList.GetNext(pos);
if((pWinStation->GetSortOrder() > pNewWinStation->GetSortOrder())
|| ((pWinStation->GetSortOrder() == pNewWinStation->GetSortOrder()) &&
(pWinStation->GetSdClass() > pNewWinStation->GetSdClass()))) {
// The new object belongs before the current list object.
m_WinStationList.InsertBefore(oldpos, pNewWinStation);
bAdded = TRUE;
break;
}
}
// If we haven't yet added the WinStation, add it now to the tail
// of the list.
if(!bAdded) {
m_WinStationList.AddTail(pNewWinStation);
}
UnlockWinStationList();
} // end CServer::AddWinStation
/////////////////////////////////////////////////////////////////////////////
// CServer::Connect
//
// Connect to the server
//
BOOL CServer::Connect()
{
ServerProcInfo * pProcInfo = NULL;
BOOL bResult = FALSE;
m_NumProcessesSelected = 0;
m_NumWinStationsSelected = 0;
m_pExtServerInfo = NULL;
if(m_State != SS_NOT_CONNECTED )
{
return FALSE;
}
// Fire off the background thread for this server
LockThreadAlive();
if(m_hBackgroundThread == NULL)
{
pProcInfo = new ServerProcInfo;
if (pProcInfo == NULL)
{
UnlockThreadAlive();
return FALSE;
}
pProcInfo->pServer = this;
pProcInfo->pDoc = (CWinAdminDoc*)((CWinAdminApp*)AfxGetApp())->GetDocument();
m_BackgroundContinue = TRUE;
m_bThreadAlive = FALSE;
// Start the background thread
DWORD dwThreadID;
m_hBackgroundThread = CreateThread(NULL,
0,
CServer::BackgroundThreadProc,
pProcInfo,
0,
&dwThreadID);
if (m_hBackgroundThread == NULL)
{
ODS( L"CServer!Connect possibly low resources no thread created\n" );
delete pProcInfo;
UnlockThreadAlive();
return FALSE;
}
bResult = TRUE;
}
UnlockThreadAlive();
return TRUE;
}
/////////////////////////////////////////////////////////////////////////////
// CServer::Disconnect
//
// Disconnect from the server
//
void CServer::Disconnect()
{
ULONG WSEventFlags;
// not a good idea for an ods
CWinAdminDoc *pDoc = (CWinAdminDoc*)((CWinAdminApp*)AfxGetApp())->GetDocument();
SetState(SS_DISCONNECTING);
// If there is an extension DLL, let it cleanup anything it added to this Server
LPFNEXSERVERCLEANUPPROC CleanupProc = ((CWinAdminApp*)AfxGetApp())->GetExtServerCleanupProc();
if(CleanupProc && m_pExtensionInfo)
{
(*CleanupProc)(m_pExtensionInfo);
m_pExtensionInfo = NULL;
}
// Tell the background thread to terminate and wait for it to do so.
ClearBackgroundContinue();
// Make sure the thread is still running
if (m_bThreadAlive)
{
// Force him out of waiting for an event if he is
if (IsHandleGood())
{
ODS(L"TSADMIN:CServer::Disconnect Handle is good flush events\n");
WinStationWaitSystemEvent(m_Handle, WEVENT_FLUSH, &WSEventFlags);
}
// If this server object is waiting for RPC to timeout, kill thread
if (m_PreviousState == SS_NOT_CONNECTED)
{
ODS(L"TSADMIN:CServer::Disconnect Previous state not connected termthread\n");
if (WaitForSingleObject(m_hBackgroundThread , 100) == WAIT_TIMEOUT)
{
TerminateThread(m_hBackgroundThread, 0);
}
}
// For all other threads, wait a second and then kill it
else if (WaitForSingleObject(m_hBackgroundThread , 1000) == WAIT_TIMEOUT)
{
ODS( L"TSADMIN CServer!Disconnect prevstate was !not_connected termthread\n" );
TerminateThread(m_hBackgroundThread, 0);
}
WaitForSingleObject(m_hBackgroundThread, INFINITE);
ODS( L"TSADMIN:CServer::Disconnect delete CWinThread Object m_bThread == TRUE\n" );
}
// we're done with our background thread so we can close the handle
CloseHandle(m_hBackgroundThread);
m_hBackgroundThread = NULL;
if (IsHandleGood())
{
ODS( L"TSADMIN:CServer::Disconnect WinStationCloseServer\n" );
WinStationCloseServer(m_Handle);
m_Handle = NULL;
}
LockWinStationList();
CObList TempList;
// Iterate through the WinStation list
// Move all the WinStations to a temporary list so that
// we don't have to have the WinStationList locked while
// sending the WM_ADMIN_REMOVE_WINSTATION message to the views.
POSITION pos = m_WinStationList.GetHeadPosition();
while (pos)
{
CWinStation *pWinStation = (CWinStation*)m_WinStationList.GetNext(pos);
TempList.AddTail(pWinStation);
}
m_WinStationList.RemoveAll();
UnlockWinStationList();
CFrameWnd *p = (CFrameWnd*)pDoc->GetMainWnd();
pos = TempList.GetHeadPosition();
while (pos)
{
CWinStation *pWinStation = (CWinStation*)TempList.GetNext(pos);
if (p && ::IsWindow(p->GetSafeHwnd()))
{
ODS( L"TSADMIN:CServer::Disconnect Remove WinStation\n" );
p->SendMessage(WM_ADMIN_REMOVE_WINSTATION, 0, (LPARAM)pWinStation);
}
}
TempList.RemoveAll();
LockProcessList();
pos = m_ProcessList.GetHeadPosition();
while (pos)
{
CProcess *pProcess = (CProcess*)m_ProcessList.GetNext(pos);
ODS( L"TSADMIN:CServer::Disconnect Delete process\n" );
delete pProcess;
}
m_ProcessList.RemoveAll();
UnlockProcessList();
LockLicenseList();
pos = m_LicenseList.GetHeadPosition();
while (pos)
{
CLicense *pLicense = (CLicense*)m_LicenseList.GetNext(pos);
ODS( L"TSADMIN:CServer::Disconnect remove license\n" );
delete pLicense;
}
m_LicenseList.RemoveAll();
UnlockLicenseList();
//
pos = m_UserSidList.GetHeadPosition();
while (pos)
{
CUserSid *pUserSid = (CUserSid*)m_UserSidList.GetNext(pos);
ODS( L"TSADMIN:CServer::Disconnect remove sids\n" );
delete pUserSid;
}
m_UserSidList.RemoveAll();
pos = m_HotfixList.GetHeadPosition();
while (pos)
{
CHotfix *pHotfix = (CHotfix*)m_HotfixList.GetNext(pos);
ODS( L"TSADMIN:CServer::Disconnect Remove hotfixes\n" );
delete pHotfix;
}
m_HotfixList.RemoveAll();
if (m_pRegistryInfo)
{
delete m_pRegistryInfo;
ODS( L"TSADMIN:CServer::Disconnect delete reginfo\n" );
m_pRegistryInfo = NULL;
}
// ODS( L"TSADMIN:CServer::Disconnect Set state not connected\n" );
SetState(SS_NOT_CONNECTED);
}
/////////////////////////////////////////////////////////////////////////////
// CServer::DoDetail
//
// Go get detailed information about this server
//
void CServer::DoDetail()
{
CWinAdminDoc *pDoc = (CWinAdminDoc*)((CWinAdminApp*)AfxGetApp())->GetDocument();
SetState(SS_GETTING_INFO);
ULONG Entries;
PLOGONID pLogonId;
if(!ShouldBackgroundContinue()) return;
// We need to access the registry information for the server
// at this time because we must not administer WF 2.00 servers
// (RPC structures are incompatible). If we cannot access the
// server's registry, or the multi-user version is 2.00, we bail
// from this server.
if ( !BuildRegistryInfo() || (GetCTXVersionNum() == 0x200) || (GetCTXVersionNum() == 0) )
{
ClearHandleGood();
SetLostConnection();
SetState(SS_BAD);
ODS( L"CServer::DoDetail - Setting to lost connection\n" );
CFrameWnd *pFrameWnd = (CFrameWnd*)pDoc->GetMainWnd();
if(pFrameWnd && ::IsWindow(pFrameWnd->GetSafeHwnd())) pFrameWnd->SendMessage(WM_ADMIN_REMOVE_SERVER, 0, (LPARAM)this);
ClearBackgroundContinue();
return;
}
// Find all the WinStations
BOOL fWinEnum;
fWinEnum = WinStationEnumerate(m_Handle, &pLogonId, &Entries);
DBGMSG( L"CServer!DoDetail WinEnum last reported error 0x%x\n", GetLastError( ) );
if(!fWinEnum )
{
ClearHandleGood();
SetLostConnection();
SetState(SS_BAD);
ClearBackgroundContinue();
return;
}
if(!ShouldBackgroundContinue()) {
if(pLogonId) WinStationFreeMemory(pLogonId);
return;
}
// Get information about the WinStations
if(pLogonId)
{
for(ULONG i = 0; i < Entries; i++)
{
// Create a new WinStation object
CWinStation *pWinStation = new CWinStation(this, &pLogonId[i]);
if(pWinStation)
{
// If the queries weren't successful, ignore this WinStation
if(!pWinStation->QueriesSuccessful())
{
ODS( L"CServer::DoDetail!QueriesSuccessful failed\n" );
delete pWinStation;
}
else
{
AddWinStation(pWinStation);
pWinStation->SetNew();
}
}
if( !ShouldBackgroundContinue() )
{
if(pLogonId) WinStationFreeMemory(pLogonId);
return;
}
}
WinStationFreeMemory(pLogonId);
}
if(!ShouldBackgroundContinue()) return;
// If there is an extension DLL loaded, allow it to add it's own info for this Server
LPFNEXSERVERINITPROC InitProc = ((CWinAdminApp*)AfxGetApp())->GetExtServerInitProc();
if(InitProc) {
m_pExtensionInfo = (*InitProc)(m_Name, m_Handle);
if(m_pExtensionInfo) {
LPFNEXGETSERVERINFOPROC GetInfoProc = ((CWinAdminApp*)AfxGetApp())->GetExtGetServerInfoProc();
if(GetInfoProc) {
m_pExtServerInfo = (*GetInfoProc)(m_pExtensionInfo);
// If this server is running WinFrame or Picasso, set flag
if(m_pExtServerInfo->Flags & ESF_WINFRAME) SetWinFrame();
}
}
}
QueryLicenses();
SetState(SS_GOOD);
// Send a message to the views to tell it the state of this
// server has changed
CFrameWnd *p = (CFrameWnd*)pDoc->GetMainWnd();
if(p && ::IsWindow(p->GetSafeHwnd())) {
p->SendMessage(WM_ADMIN_UPDATE_SERVER_INFO, 0, (LPARAM)this);
p->SendMessage(WM_ADMIN_UPDATE_WINSTATIONS, 0, (LPARAM)this);
}
} // end CServer::DoDetail
/////////////////////////////////////////////////////////////////////////////
// CServer::FindProcessByPID
//
// returns a pointer to a CProcess from m_ProcessList given a PID
CProcess* CServer::FindProcessByPID(ULONG Pid)
{
LockProcessList();
POSITION pos = m_ProcessList.GetHeadPosition();
while(pos) {
CProcess *pProcess = (CProcess*)m_ProcessList.GetNext(pos);
if(pProcess->GetPID() == Pid) {
UnlockProcessList();
return pProcess;
}
}
UnlockProcessList();
return NULL;
} // end CServer::FindProcessByPID
/////////////////////////////////////////////////////////////////////////////
// CServer::EnumerateProcesses
//
// Enumerate this server's processes
BOOL CServer::EnumerateProcesses()
{
ENUMTOKEN EnumToken;
ULONG PID;
ULONG LogonId;
TCHAR ImageName[MAX_PROCESSNAME+1];
PSID pSID;
EnumToken.Current = 0;
EnumToken.NumberOfProcesses = 0;
EnumToken.ProcessArray = NULL;
EnumToken.bGAP = TRUE;
if(!IsHandleGood()) return 0;
CWinAdminDoc *pDoc = (CWinAdminDoc*)((CWinAdminApp*)AfxGetApp())->GetDocument();
LockProcessList();
// Loop processes through and turn off current flag and new flag
// Delete any processes that aren't current
POSITION pos = m_ProcessList.GetHeadPosition();
while(pos) {
POSITION pos2 = pos;
CProcess *pProcess = (CProcess*)m_ProcessList.GetNext(pos);
if(!pProcess->IsCurrent()) {
pProcess = (CProcess*)m_ProcessList.GetAt(pos2);
m_ProcessList.RemoveAt(pos2);
delete pProcess;
} else {
pProcess->ClearCurrent();
pProcess->ClearNew();
pProcess->ClearChanged(); // !
}
}
UnlockProcessList();
// Should we quit?
if(!pDoc->ShouldProcessContinue()) {
return FALSE;
}
while(ProcEnumerateProcesses(m_Handle,
&EnumToken,
ImageName,
&LogonId,
&PID,
&pSID )) {
CProcess *pProcess = new CProcess(PID,
LogonId,
this,
pSID,
FindWinStationById(LogonId),
ImageName);
if(pProcess) {
// If this process is in the list, we need to see if it has changed
CProcess *pOldProcess = FindProcessByPID(PID);
if(pOldProcess && pProcess->GetWinStation()) {
// Flag the process as current
pOldProcess->SetCurrent();
// Update any info that has changed
pOldProcess->Update(pProcess);
// We don't need this process object anymore
delete pProcess;
}
// It is a new process, add it to the list
else if(pProcess->GetWinStation()) {
pProcess->SetNew();
LockProcessList();
m_ProcessList.AddTail(pProcess);
UnlockProcessList();
}
// This process doesn't have a WinStation, delete it
else {
delete pProcess;
}
}
// Should we quit?
if(!pDoc->ShouldProcessContinue()) {
// We have to call this one last time with an offset of -1 to
// make the function free up the memory allocated by the client side stub.
EnumToken.Current = (ULONG)-1;
ProcEnumerateProcesses(m_Handle,
&EnumToken,
ImageName,
&LogonId,
&PID,
&pSID );
return FALSE;
}
}
return TRUE;
} // end CServer::EnumerateProcesses
/////////////////////////////////////////////////////////////////////////////
// CServer::ClearProcesses
//
// Clear out the list of processes
void CServer::ClearProcesses()
{
LockProcessList();
POSITION pos = m_ProcessList.GetHeadPosition();
while(pos) {
CProcess *pProcess = (CProcess*)m_ProcessList.GetNext(pos);
delete pProcess;
}
m_ProcessList.RemoveAll();
UnlockProcessList();
} // end CServer::ClearProcesses
/////////////////////////////////////////////////////////////////////////////
// CServer::FindWinStationById
//
CWinStation* CServer::FindWinStationById(ULONG Id)
{
LockWinStationList();
POSITION pos = m_WinStationList.GetHeadPosition();
while(pos) {
CWinStation *pWinStation = (CWinStation*)m_WinStationList.GetNext(pos);
if(pWinStation->GetLogonId() == Id) {
UnlockWinStationList();
return pWinStation;
}
}
UnlockWinStationList();
return NULL;
} // end CServer::FindWinStationById
/////////////////////////////////////////////////////////////////////////////
// CServer::BackgroundThreadProc
//
DWORD WINAPI
CServer::BackgroundThreadProc(LPVOID pParam)
{
ASSERT(pParam);
ODS( L"CServer::BackgroundThreadProc\n" );
// We need a pointer to the document so we can make
// calls to member functions
CWinAdminDoc *pDoc = (CWinAdminDoc*)((ServerProcInfo*)pParam)->pDoc;
CServer *pServer = ((ServerProcInfo*)pParam)->pServer;
HANDLE hServer;
delete (ServerProcInfo*)pParam;
// Make sure we don't have to quit
if(!pServer->ShouldBackgroundContinue()) {
return 0;
}
pServer->SetThreadAlive();
// In case the server is disconnected we wait uselessly here
while(!pDoc->AreAllViewsReady()) Sleep(500);
// Make sure we don't have to quit
if(!pServer->ShouldBackgroundContinue())
{
pServer->ClearThreadAlive();
return 0;
}
if(!pServer->IsCurrentServer())
{
// open the server and save the handle
hServer = WinStationOpenServer(pServer->GetName());
pServer->SetHandle(hServer);
// Make sure we don't have to quit
if(!pServer->ShouldBackgroundContinue())
{
pServer->ClearThreadAlive();
return 0;
}
if(hServer == NULL)
{
DWORD Error = GetLastError();
DBGMSG( L"CServer!BackgroundThreadProc WinStationOpenServer failed with 0x%x\n", Error );
if(Error == RPC_S_SERVER_UNAVAILABLE)
{
pServer->ClearBackgroundFound();
pServer->SetLostConnection();
pServer->ClearManualFind( );
CFrameWnd *pFrameWnd = (CFrameWnd*)pDoc->GetMainWnd();
if(pFrameWnd && ::IsWindow(pFrameWnd->GetSafeHwnd()))
{
ODS( L"Server backgrnd thread declares this server RPC_S_SERVER_UNAVAILABLE\n" );
}
}
pServer->SetState(SS_BAD);
pServer->ClearThreadAlive();
return 0;
}
pServer->SetHandleGood();
pServer->SetState(SS_OPENED);
}
else
{
hServer = SERVERNAME_CURRENT;
pServer->SetHandle(SERVERNAME_CURRENT);
pServer->SetHandleGood();
pServer->SetState(SS_OPENED);
}
// Make sure we don't have to quit
if(!pServer->ShouldBackgroundContinue()) {
pServer->ClearThreadAlive();
return 0;
}
// If we found this server after initial enum,
// we need to add it to the views now
CFrameWnd *pFrameWnd = (CFrameWnd*)pDoc->GetMainWnd();
if(pServer->WasFoundLater())
{
if(pFrameWnd && ::IsWindow(pFrameWnd->GetSafeHwnd()))
{
pFrameWnd->SendMessage(WM_ADMIN_ADD_SERVER, ( WPARAM )TVI_SORT, (LPARAM)pServer);
}
}
// Make sure we don't have to quit
if(!pServer->ShouldBackgroundContinue()) {
pServer->ClearThreadAlive();
return 0;
}
pServer->DoDetail();
// Now go into our loop waiting for WinStation Events
while(1) {
ULONG WSEventFlags;
ULONG Entries;
PLOGONID pLogonId;
// Make sure we don't have to quit
if(!pServer->ShouldBackgroundContinue()) {
pServer->ClearThreadAlive();
return 0;
}
// Wait for the browser to tell us something happened
if(!WinStationWaitSystemEvent(hServer, WEVENT_ALL, &WSEventFlags))
{
if(GetLastError() != ERROR_OPERATION_ABORTED)
{
ODS( L"CServer::BackgroundThreadProc ERROR_OPERATION_ABORTED\n" );
pServer->ClearHandleGood();
pServer->SetState(SS_BAD);
pServer->SetLostConnection();
pServer->ClearThreadAlive();
pServer->ClearManualFind();
return 1;
}
}
ODS( L"CServer::BackgroundThreadProc -- some system event has taken place\n" );
// Make sure we don't have to quit
if(!pServer->ShouldBackgroundContinue()) {
pServer->ClearThreadAlive();
ODS( L"CServer::BackgroundThreadProc -* backgrnd thread should not continue\n" );
return 0;
}
// Loop through this Server's WinStations and clear the current flag
pServer->LockWinStationList();
CObList *pWinStationList = pServer->GetWinStationList();
POSITION pos = pWinStationList->GetHeadPosition();
while(pos) {
CWinStation *pWinStation = (CWinStation*)pWinStationList->GetNext(pos);
pWinStation->ClearCurrent();
pWinStation->ClearNew();
pWinStation->ClearChanged();
}
pServer->UnlockWinStationList();
// Find all the WinStations
BOOL fWinEnum = WinStationEnumerate(hServer, &pLogonId, &Entries);
DBGMSG( L"CServer!BackgroundThread WinEnum last reported error 0x%x\n", GetLastError( ) );
if(!fWinEnum )
{
ODS( L"CServer!BackgroundThread -- server is no longer valid\n" );
pServer->ClearHandleGood();
pServer->SetLostConnection();
pServer->SetState(SS_BAD);
pServer->ClearThreadAlive();
pServer->ClearManualFind( );
return 1;
}
// Make sure we don't have to quit
if(!pServer->ShouldBackgroundContinue()) {
if(pLogonId) WinStationFreeMemory(pLogonId);
pServer->ClearThreadAlive();
ODS( L"CServer!BackgroundThreadProc -# backgrnd thread should not continue\n" );
return 0;
}
if(pLogonId)
{
// Get information about the WinStations
for(ULONG i = 0; i < Entries; i++)
{
// Look for this WinStation in the list
CWinStation *pWinStation = pServer->FindWinStationById(pLogonId[i].LogonId);
if(pWinStation)
{
// Mark this WinStation as current
pWinStation->SetCurrent();
// We found the WinStation in the list
// Create a new CWinStation object - he will get his information
CWinStation *pTempWinStation = new CWinStation(pServer, &pLogonId[i]);
if(pTempWinStation)
{
// If any information has changed, send a message to update the views
if(pWinStation->Update(pTempWinStation))
{
CFrameWnd *pFrameWnd = (CFrameWnd*)pDoc->GetMainWnd();
if(pFrameWnd && ::IsWindow(pFrameWnd->GetSafeHwnd()))
{
pFrameWnd->SendMessage(WM_ADMIN_UPDATE_WINSTATION, 0, (LPARAM)pWinStation);
}
}
// We don't need the temporary CWinStation object anymore
delete pTempWinStation;
}
}
else
{
// We didn't find it in our list
// We don't want to add it to our list if the WinStation is down
if(pLogonId[i].State != State_Down && pLogonId[i].State != State_Init)
{
// Create a new CWinStation object
CWinStation *pNewWinStation = new CWinStation(pServer, &pLogonId[i]);
if(pNewWinStation)
{
pServer->AddWinStation(pNewWinStation);
pNewWinStation->SetNew();
CFrameWnd *pFrameWnd = (CFrameWnd*)pDoc->GetMainWnd();
if(pFrameWnd && ::IsWindow(pFrameWnd->GetSafeHwnd()))
{
pFrameWnd->SendMessage(WM_ADMIN_ADD_WINSTATION, 0, (LPARAM)pNewWinStation);
}
}
}
}
}
WinStationFreeMemory(pLogonId);
// Send a message to the views to update their WinStations
CFrameWnd *pFrameWnd = (CFrameWnd*)pDoc->GetMainWnd();
if(pFrameWnd && ::IsWindow(pFrameWnd->GetSafeHwnd()))
{
pFrameWnd->SendMessage(WM_ADMIN_UPDATE_WINSTATIONS, 0, (LPARAM)pServer);
}
// Loop through the WinStations for this server and move
// any that aren't current to a temporary list
CObList TempList;
pServer->LockWinStationList();
CObList *pWinStationList = pServer->GetWinStationList();
POSITION pos = pWinStationList->GetHeadPosition();
while(pos)
{
POSITION pos2 = pos;
CWinStation *pWinStation = (CWinStation*)pWinStationList->GetNext(pos);
if(!pWinStation->IsCurrent())
{
// Add the WinStation to our temporary list
TempList.AddTail(pWinStation);
// Remove the WinStation from the list of WinStations
pWinStation = (CWinStation*)pWinStationList->GetAt(pos2);
pWinStationList->RemoveAt(pos2);
}
}
pServer->UnlockWinStationList();
pos = TempList.GetHeadPosition();
while(pos)
{
POSITION pos2 = pos;
CWinStation *pWinStation = (CWinStation*)TempList.GetNext(pos);
// Send a message to remove the WinStation from the tree view
CFrameWnd *pFrameWnd = (CFrameWnd*)pDoc->GetMainWnd();
if(pFrameWnd && ::IsWindow(pFrameWnd->GetSafeHwnd()))
{
pFrameWnd->SendMessage(WM_ADMIN_REMOVE_WINSTATION, 0, (LPARAM)pWinStation);
}
delete pWinStation;
}
TempList.RemoveAll();
} // end if(pLogonId)
// If there is an extension DLL loaded, allow it to update info for this Server
LPFNEXSERVEREVENTPROC EventProc = ((CWinAdminApp*)AfxGetApp())->GetExtServerEventProc();
if(EventProc) {
// Returns TRUE if anything changed
if((*EventProc)(pServer->GetExtensionInfo(), WSEventFlags)) {
pServer->QueryLicenses();
CFrameWnd *pFrameWnd = (CFrameWnd*)pDoc->GetMainWnd();
if(pFrameWnd && ::IsWindow(pFrameWnd->GetSafeHwnd()))
{
pFrameWnd->SendMessage(WM_ADMIN_REDISPLAY_LICENSES, 0, (LPARAM)pServer);
}
}
}
// Tell the Server view to show the new load and license counts
CFrameWnd *pFrameWnd = (CFrameWnd*)pDoc->GetMainWnd();
if(pFrameWnd && ::IsWindow(pFrameWnd->GetSafeHwnd()))
{
pFrameWnd->SendMessage(WM_ADMIN_UPDATE_SERVER_INFO, 0, (LPARAM)pServer);
}
// Make sure we don't have to quit
if(!pServer->ShouldBackgroundContinue())
{
pServer->ClearThreadAlive();
ODS( L"CServer::BackgroundThreadProc -@ backgrnd thread should not continue\n" );
return 0;
}
} // end while(1)
} // end CServer::BackgroundThreadProc
/////////////////////////////////////////////////////////////////////////////
// CServer::QueryLicenses
//
void CServer::QueryLicenses()
{
ULONG NumLicenses;
ExtLicenseInfo *pExtLicenseInfo = NULL;
// If there is an extension DLL loaded, get this server's list of licenses
LPFNEXGETSERVERLICENSESPROC LicenseProc = ((CWinAdminApp*)AfxGetApp())->GetExtGetServerLicensesProc();
if(LicenseProc && m_pExtensionInfo) {
LockLicenseList();
// Iterate through the License list
POSITION pos = m_LicenseList.GetHeadPosition();
while(pos) {
CLicense *pLicense = (CLicense*)m_LicenseList.GetNext(pos);
delete pLicense;
}
m_LicenseList.RemoveAll();
UnlockLicenseList();
pExtLicenseInfo = (*LicenseProc)(m_pExtensionInfo, &NumLicenses);
if(pExtLicenseInfo) {
ExtLicenseInfo *pExtLicense = pExtLicenseInfo;
for(ULONG lic = 0; lic < NumLicenses; lic++) {
CLicense *pLicense = new CLicense(this, pExtLicense);
if(pLicense) {
AddLicense(pLicense);
}
pExtLicense++;
}
// Get the extension DLL's function to free the license info
LPFNEXFREESERVERLICENSESPROC LicenseFreeProc = ((CWinAdminApp*)AfxGetApp())->GetExtFreeServerLicensesProc();
if(LicenseFreeProc) {
(*LicenseFreeProc)(pExtLicenseInfo);
} else {
TRACE0("WAExGetServerLicenses exists without WAExFreeServerLicenseInfo\n");
ASSERT(0);
}
}
}
} // end CServer::QueryLicenses
/////////////////////////////////////////////////////////////////////////////
// CServer::AddLicense
//
// Add a License to the Server's LicenseList in
// sorted order
// NOTE: The list should be NOT be locked by the caller
//
void CServer::AddLicense(CLicense *pNewLicense)
{
ASSERT(pNewLicense);
LockLicenseList();
BOOLEAN bAdded = FALSE;
POSITION pos, oldpos;
int Index;
// Traverse the LicenseList and insert this new License,
// keeping the list sorted by Class, then Name.
for(Index = 0, pos = m_LicenseList.GetHeadPosition(); pos != NULL; Index++) {
oldpos = pos;
CLicense *pLicense = (CLicense*)m_LicenseList.GetNext(pos);
if((pLicense->GetClass() > pNewLicense->GetClass())
|| ((pLicense->GetClass() == pNewLicense->GetClass()) &&
lstrcmpi(pLicense->GetSerialNumber(), pNewLicense->GetSerialNumber()) > 0)) {
// The new object belongs before the current list object.
m_LicenseList.InsertBefore(oldpos, pNewLicense);
bAdded = TRUE;
break;
}
}
// If we haven't yet added the License, add it now to the tail
// of the list.
if(!bAdded) {
m_LicenseList.AddTail(pNewLicense);
}
UnlockLicenseList();
} // end CServer::AddLicense
/////////////////////////////////////////////////////////////////////////////
// CServer::SetState
//
void CServer::SetState(SERVER_STATE State)
{
m_PreviousState = m_State;
m_State = State;
if(m_State != m_PreviousState)
{
CWinAdminDoc *pDoc = (CWinAdminDoc*)((CWinAdminApp*)AfxGetApp())->GetDocument();
CFrameWnd *pFrameWnd = (CFrameWnd*)pDoc->GetMainWnd();
if(pFrameWnd && ::IsWindow(pFrameWnd->GetSafeHwnd()))
{
pFrameWnd->SendMessage(WM_ADMIN_UPDATE_SERVER, 0, (LPARAM)this);
}
}
} // end CServer::SetState