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Removed the Impersonator class. This was only ever used for the Sessions feature which was removed in v1.74

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This commit is contained in:
David Sparer
2016-10-17 12:34:14 -06:00
parent 2070a98a72
commit 8ad5f3426c
2 changed files with 0 additions and 113 deletions
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112
mRemoteV1/Security/Security.Impersonator.cs
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@@ -1,112 +0,0 @@
using System;
using System.Runtime.InteropServices;
using System.Security.Principal;
using System.Security.Permissions;
using System.Text.RegularExpressions;
using mRemoteNG.App;
namespace mRemoteNG.Security
{
public class Impersonator
{
#region Logon API
private const int LOGON32_PROVIDER_DEFAULT = 0;
private const int LOGON32_LOGON_NEW_CREDENTIALS = 9;
private const int SecurityImpersonation = 2;
[DllImport("advapi32.dll", ExactSpelling=true, CharSet=CharSet.Auto, SetLastError=true)]
private static extern int LogonUser(string lpszUsername, string lpszDomain, string lpszPassword, int dwLogonType, int dwLogonProvider, ref IntPtr phToken);
private const int FORMAT_MESSAGE_ALLOCATE_BUFFER = 0x100;
private const int FORMAT_MESSAGE_IGNORE_INSERTS = 0x200;
private const int FORMAT_MESSAGE_FROM_SYSTEM = 0x1000;
[DllImport("kernel32.dll")]private static extern int FormatMessage(int dwFlags, ref IntPtr lpSource, int dwMessageId, int dwLanguageId, ref string lpBuffer, int nSize, ref IntPtr Arguments);
[DllImport("kernel32.dll", ExactSpelling=true, CharSet=CharSet.Auto, SetLastError=true)]
private static extern bool CloseHandle(IntPtr handle);
[DllImport("advapi32.dll", ExactSpelling=true, CharSet=CharSet.Auto, SetLastError=true)]
private static extern int DuplicateToken(IntPtr ExistingTokenHandle, int SECURITY_IMPERSONATION_LEVEL, ref IntPtr DuplicateTokenHandle);
#endregion
private IntPtr tokenHandle = new IntPtr(0);
private WindowsImpersonationContext impersonatedUser = null;
// GetErrorMessage formats and returns an error message corresponding to the input errorCode.
private string GetErrorMessage(int errorCode)
{
int messageSize = 255;
string lpMsgBuf = "";
int dwFlags = FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS;
IntPtr ptrlpSource = IntPtr.Zero;
IntPtr prtArguments = IntPtr.Zero;
int retVal = FormatMessage(dwFlags, ref ptrlpSource, errorCode, 0, ref lpMsgBuf, messageSize, ref prtArguments);
lpMsgBuf = Regex.Replace(lpMsgBuf, @"\r\n|\n|\r", " ");
return lpMsgBuf;
}
[PermissionSetAttribute(SecurityAction.Demand, Name = "FullTrust")]public void StartImpersonation(string DomainName, string UserName, string Password)
{
try
{
if (impersonatedUser != null)
{
throw (new Exception("Already impersonating a user."));
}
tokenHandle = IntPtr.Zero;
int returnValue = Convert.ToInt32(LogonUser(UserName, DomainName, Password, LOGON32_LOGON_NEW_CREDENTIALS, LOGON32_PROVIDER_DEFAULT, ref tokenHandle));
if (0 == returnValue)
{
int errCode = Marshal.GetLastWin32Error();
string errMsg = "LogonUser failed with error code: " + errCode.ToString() + "(" + GetErrorMessage(errCode) + ")";
ApplicationException exLogon = new ApplicationException(errMsg);
throw (exLogon);
}
WindowsIdentity newId = new WindowsIdentity(tokenHandle);
impersonatedUser = newId.Impersonate();
}
catch (Exception ex)
{
Runtime.MessageCollector.AddMessage(Messages.MessageClass.WarningMsg, "Starting Impersonation failed (Sessions feature will not work)" + Environment.NewLine + ex.Message, true);
}
}
[PermissionSetAttribute(SecurityAction.Demand, Name = "FullTrust")]public void StopImpersonation()
{
if (impersonatedUser == null)
{
return;
}
try
{
impersonatedUser.Undo(); // Stop impersonating the user.
}
catch (Exception ex)
{
Runtime.MessageCollector.AddMessage(Messages.MessageClass.WarningMsg, "Stopping Impersonation failed" + Environment.NewLine + ex.Message, true);
throw;
}
finally
{
if (!System.IntPtr.Equals(tokenHandle, IntPtr.Zero))
{
CloseHandle(tokenHandle);
}
impersonatedUser = null;
}
}
}
}

1
mRemoteV1/mRemoteV1.csproj
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@@ -377,7 +377,6 @@
<DependentUpon>Settings.settings</DependentUpon>
</Compile>
<Compile Include="Tree\Root\RootNodeInfo.cs" />
<Compile Include="Security\Security.Impersonator.cs" />
<Compile Include="Security\SaveFilter.cs" />
<Compile Include="Tools\IeBrowserEmulation.cs" />
<Compile Include="Tools\ProcessController.cs" />