public void Connect(Kohl.Framework.Security.Credential credentials)
{
progress.Visible = true;
splitContainer1.Visible = false;
this.SelectedSession = null;
this.dataGridView1.DataSource = null;
this.dataGridView2.DataSource = null;
this.propertyGrid1.SelectedObject = null;
this.server = TerminalServer.LoadServer(this.ServerNameComboBox.Text, credentials);
progress.Visible = false;
splitContainer1.Visible = true;
if (this.server.IsTerminalServer)
{
this.dataGridView1.DataSource = this.server.Sessions;
if (this.dataGridView1.Columns.Count > 0)
this.dataGridView1.Columns[1].Visible = false;
if (this.server.Sessions == null)
MessageBox.Show("Terminals was unable to enumerate your server's sessions." + (this.server.Errors != null & this.server.Errors.Count > 0 ? "\n" +this.server.Errors[0] : "" ));
}
else
{
MessageBox.Show("This machine does not appear to be a terminal server.");
}
}
public static TerminalServer LoadServer(string serverName, Kohl.Framework.Security.Credential credentials)
{
TerminalServer server = null;
System.Threading.Thread t = new System.Threading.Thread(() => server =TerminalServicesApi.GetSessions(serverName, credentials));
t.Start();
while (t.ThreadState == System.Threading.ThreadState.Running)
{
System.Windows.Forms.Application.DoEvents();
System.Threading.Thread.Sleep(100);
}
return server;
}
public void Connect(string server, bool headless, Kohl.Framework.Security.Credential credentials)
{
// This prevents SharpDevelop and Visual Studio from both an exception in design mode for controls using this HistoryTreeView and from crashing when opening the
// designer for this class.
if (LicenseManager.UsageMode == LicenseUsageMode.Designtime)
return;
this.credentials = credentials;
try
{
this.splitContainer1.Panel1Collapsed = headless;
if (server != "")
{
this.ServerNameComboBox.Text = server;
Connect(credentials);
}
}
catch (Exception exc)
{
Log.Error("Connection failure.", exc);
}
}
public static TerminalServer GetSessions(string serverName, Kohl.Framework.Security.Credential credential)
{
TerminalServer terminalServer = new TerminalServer {ServerName = serverName};
Kohl.Framework.Security.Impersonator impersonator = null;
// Start impersonation if we requested to do so ...
try
{
if (credential != null)
impersonator = new Kohl.Framework.Security.Impersonator(credential);
}
catch (Exception ex)
{
Log.Warn("Error impersonating RDP session enumerator. Trying to query RDP session details without impersonation ...", ex);
}
// Open a WTS connection to the server to be able to get details about the sessions and processes running on it
IntPtr ptrOpenedServer = IntPtr.Zero;
try
{
ptrOpenedServer = WTSOpenServer(terminalServer.ServerName);
}
catch (Exception ex)
{
Log.Error("Error opening WTS server connection. Aborting to query RDP sessions.", ex);
return terminalServer;
}
if (ptrOpenedServer == IntPtr.Zero)
{
terminalServer.IsTerminalServer = false;
return terminalServer;
}
terminalServer.ServerPointer = ptrOpenedServer;
terminalServer.IsTerminalServer = true;
// Try to get information about the sessions and the clients connected to it.
GetClientInfos(terminalServer);
// Try to get information about the server's processes.
GetProcessInfos(terminalServer);
if (ptrOpenedServer != IntPtr.Zero)
WTSCloseServer(ptrOpenedServer);
if (impersonator != null)
impersonator.Dispose();
return terminalServer;
}
