public static ImpersonationContext SetTargetSQLServerImpersonationContext()
{
ImpersonationContext ic = m_ImpersonationContext;
m_ImpersonationContext = ImpersonationContext.TargetSQLServer;
if (ic != ImpersonationContext.TargetSQLServer)
{
using (logX.loggerX.VerboseCall())
{
if (ic == ImpersonationContext.TargetComputer)
{
if (m_targetImpersionationContext != null)
{
logX.loggerX.Verbose(string.Format("Leaving Target Computer Impersonation Context: {0}", WindowsIdentity.GetCurrent().Name));
m_targetImpersionationContext.Undo();
m_targetImpersionationContext.Dispose();
m_targetImpersionationContext = null;
}
else
{
if (TargetServer != null)
{
logX.loggerX.Verbose(string.Format("Leaving Target Computer Bind Context: {0}", m_targetUserName));
TargetServer.Unbind();
}
}
}
else if (ic == ImpersonationContext.Local)
{
logX.loggerX.Verbose(string.Format("Leaving Local Impersonation Context: {0}", WindowsIdentity.GetCurrent().Name));
//if (m_LocalImpersionationContext != null)
//{
// m_LocalImpersionationContext.Undo();
// m_LocalImpersionationContext.Dispose();
// m_LocalImpersionationContext = null;
//}
}
if (m_targetSQLServerIdentity != null)
{
m_targetSQLServerImpersionationContext = m_targetSQLServerIdentity.Impersonate();
logX.loggerX.Verbose(string.Format("Entering Target SQL Server Impersonation Context: {0}", WindowsIdentity.GetCurrent().Name));
}
else
{
if (m_UserSQLAuthentication)
{
logX.loggerX.Verbose("Using SQL Server Credentials");
}
else
{
logX.loggerX.Verbose("Failed to Enter Target SQL Server Impersonation Context");
logX.loggerX.Verbose(string.Format("Using Local User Context for Target SQL Server: {0}", WindowsIdentity.GetCurrent().Name));
}
}
}
}
return(ic);
}
public void NotifyCredentialsAuthenticated(Uri uri)
{
if (m_ctxt == null)
{
return;
}
m_ctxt.Dispose();
m_ctxt = null;
}
/// <summary>
/// Ends the current impersonation context.
/// </summary>
public void EndImpersonationContext()
{
//if the context exists undo it and dispose of the object
if (impersonationContext != null)
{
//end the impersonation context and dispose of the object
impersonationContext.Undo();
impersonationContext.Dispose();
}
//mark the impersonation flag false
impersonating = false;
}
/// <summary>
/// Executes a supplied delegate while impersonating the application pool
/// account.
/// </summary>
///
/// <param name="del">The delegate to execute.</param>
///
internal static void ImpersonateAppPool(VoidDelegate del)
{
try
{
WindowsImpersonationContext m_context = null;
try
{
#if false
m_context = AppPoolIdentity.Impersonate();
#else
m_context = WindowsIdentity.Impersonate(IntPtr.Zero);
#endif
del();
}
finally
{
if (m_context != null)
{
m_context.Dispose();
}
}
}
catch
{
// prevent exception filter exploits
throw;
}
}
static void Main(string[] args)
{
// Initialize the Console (sets up logging, etc.).
startup();
// Start splash screen.
Thread splashThread = new Thread(new ThreadStart(ShowSplashScreen));
splashThread.Start();
// Start the application.
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
StyleManager.Load(
Assembly.GetExecutingAssembly().GetManifestResourceStream(
"Idera.SQLsecure.UI.Console.Styles.Office2007Black.isl"));
gController = new Controller(); // Contruct this object in this order
Application.Run(new MainForm());
// Save the user options.
Utility.UserData.Current.Save();
//Start-SQLsecure 3.1 (Tushar)--Supporting windows auth for repository connection
if (targetRepositoryImpersonationContext != null)
{
targetRepositoryImpersonationContext.Undo();
targetRepositoryImpersonationContext.Dispose();
targetRepositoryImpersonationContext = null;
}
//End-SQLsecure 3.1 (Tushar)--Supporting windows auth for repository connection
// Exiting utility, do shutdown processing.
shutdown();
}
public void Dispose()
{
_context.Undo(); // Stop impersonating the thread.
_id.Dispose();
_context.Dispose();
}
public void Dispose(bool disposing)
{
RevertToSelf();
IntPtr secCtx = SafeNativeMethods.CoSwitchCallContext(oldSecurityObject);
if (IntPtr.Zero == secCtx)
{
// this has to be a failfast since not having a security context can compromise security
DiagnosticUtility.FailFast("Security Context was should not be null");
}
if (Marshal.GetObjectForIUnknown(secCtx) != this)
{
// this has to be a failfast since being in the wrong security context can compromise security
DiagnosticUtility.FailFast("Security Context was modified from underneath us");
}
Marshal.Release(secCtx);
if (disposing)
{
clientIdentity = null;
if (impersonateContext != null)
{
impersonateContext.Dispose();
}
}
}
/// <summary>
///
/// </summary>
public void CanLoadResource()
{
FileStream stream = null;
WindowsImpersonationContext imp = null;
try
{
//IIdentity i = Thread.CurrentPrincipal.Identity;
//imp = ((WindowsIdentity)i).Impersonate();
stream = File.OpenRead(Server.MapPath("resource.txt"));
WriteToPage("Access to file allowed.");
}
catch (UnauthorizedAccessException)
{
WriteException("Access to file denied.");
}
finally
{
if (imp != null)
{
imp.Undo();
imp.Dispose();
}
if (stream != null)
{
stream.Dispose();
}
}
}
public void Dispose()
{
Console.WriteLine("Closeing Impersonation context");
impersonationContext?.Dispose();
windowsIdentity?.Dispose();
identityToken.Dispose();
}
/// <summary>
/// This method Impersonates to the current user account and notifies
/// the web part that it's be done.
/// </summary>
public void Dispose()
{
if (m_context != null)
{
m_context.Dispose();
}
}
protected virtual void Dispose(bool disposing)
{
if (!_disposed)
{
if (disposing)
{
if (_identity != null)
{
_identity.Dispose();
_identity = null;
}
}
if (_context != null)
{
_context.Undo();
_context.Dispose();
_context = null;
}
if (_token != IntPtr.Zero)
{
CloseHandle(_token);
_token = IntPtr.Zero;
}
_disposed = true;
}
}
public static void UndoImpersonation()
{
// restore original identity
_windowsImpersonationContext?.Undo();
_windowsImpersonationContext?.Dispose();
_windowsImpersonationContext = null;
}
public void Undo()
{
if (_impersonationContext != null)
{
_impersonationContext.Undo();
_impersonationContext.Dispose();
}
}
public static ImpersonationContext SetTargetImpersonationContext()
{
ImpersonationContext ic = m_ImpersonationContext;
m_ImpersonationContext = ImpersonationContext.TargetComputer;
if (ic != ImpersonationContext.TargetComputer)
{
using (logX.loggerX.VerboseCall())
{
if (ic == ImpersonationContext.TargetSQLServer)
{
if (m_targetSQLServerImpersionationContext != null)
{
logX.loggerX.Verbose(string.Format("Leaving Target SQL Server Impersonation Context: {0}", WindowsIdentity.GetCurrent().Name));
m_targetSQLServerImpersionationContext.Undo();
m_targetSQLServerImpersionationContext.Dispose();
m_targetSQLServerImpersionationContext = null;
}
}
else if (ic == ImpersonationContext.Local)
{
logX.loggerX.Verbose(string.Format("Leaving Local Impersonation Context: {0}", WindowsIdentity.GetCurrent().Name));
//if (m_LocalImpersionationContext != null)
//{
// m_LocalImpersionationContext.Undo();
// m_LocalImpersionationContext.Dispose();
// m_LocalImpersionationContext = null;
//}
}
if (m_targetIdentity != null)
{
m_targetImpersionationContext = m_targetIdentity.Impersonate();
logX.loggerX.Verbose(string.Format("Entering Target Computer Impersonation Context: {0}", WindowsIdentity.GetCurrent().Name));
}
else
{
if (TargetServer != null)
{
bool results = TargetServer.Bind();
logX.loggerX.Verbose(string.Format("Entering Target Computer Bind Context: {0}", m_targetUserName));
}
}
}
}
return(ic);
}
public void Dispose()
{
if (wic != null)
{
wic.Dispose();
}
RevertToSelf();
}
public void Revert()
{
if (context != null)
{
context.Undo();
context.Dispose();
}
}
/// <summary>
/// Ends impersonation of the WCF client's Windows credentials.
/// </summary>
public void Dispose()
{
if (_windowsImpersonationContext != null)
{
_windowsImpersonationContext.Dispose();
_windowsImpersonationContext = null;
}
}
public void Dispose()
{
WindowsImpersonationContext wic = Context;
if (wic != null)
{
wic.Dispose();
}
}
public void Dispose()
{
if (m_impersonationContext != null)
{
m_impersonationContext.Dispose();
m_impersonationContext = null;
}
}
public void Undo()
{
if (m_ImpersonationContext != null)
{
m_ImpersonationContext.Undo();
m_ImpersonationContext.Dispose();
Console.WriteLine("After finished impersonation: " + WindowsIdentity.GetCurrent().Name);
}
}
public void Dispose()
{
if (LastContext == null)
{
return;
}
LastContext.Undo();
LastContext.Dispose();
}
/// <summary>
/// Dispose all allocated resources.
/// </summary>
public void Dispose()
{
if (_impersonationContext == null)
{
return;
}
_impersonationContext.Dispose();
_impersonationContext = null;
}
/// <summary>
/// 释放资源
/// </summary>
/// <param name="dispose"></param>
protected virtual void Disposing(bool dispose)
{
if (dispose)
{
if (_fContext != null)
{
_fContext.Undo();
_fContext.Dispose();
}
}
}
private static void UndoImpersonation(WindowsImpersonationContext context)
{
using (logX.loggerX.InfoCall())
{
if (context != null)
{
context.Undo();
context.Dispose();
}
}
}
public void EndImpersonate()
{
if (_newId != null)
{
_newId.Dispose();
}
if (_impersonatedUser != null)
{
_impersonatedUser.Dispose();
}
}
internal static void UndoContext(ref WindowsImpersonationContext context)
{
WindowsImpersonationContext windowsImpersonationContext = context;
context = null;
if (windowsImpersonationContext != null)
{
windowsImpersonationContext.Undo();
windowsImpersonationContext.Dispose();
}
}
public void Dispose()
{
if (_context != null)
{
_context.Dispose();
}
if (_handle != null)
{
this._handle.Dispose();
}
}
private void Unmount()
{
if (context != null)
{
context.Undo();
context.Dispose();
}
if (identity != null)
{
identity.Dispose();
}
}
protected virtual void Dispose(bool disposing)
{
if (!_disposed)
{
_impersonationContext.Undo();
_impersonationContext.Dispose();
_disposed = true;
}
else
{
throw new ObjectDisposedException("ProcessIdentityScope");
}
}
/// <summary>
/// Revert to original user and cleanup.
/// </summary>
protected virtual void Dispose(bool disposing)
{
if (!disposing)
{
return;
}
// Revert to original user identity
UndoImpersonation();
if (_impersonationContext != null)
{
_impersonationContext.Dispose();
}
}
