[jira] [Created] (GUACAMOLE-1336) adding support for connecting to RDP admin/console session

["Christoph (Jira)" <ji...@apache.org>]

Christoph created GUACAMOLE-1336:
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             Summary: adding support for connecting to RDP admin/console session
                 Key: GUACAMOLE-1336
                 URL: https://issues.apache.org/jira/browse/GUACAMOLE-1336
             Project: Guacamole
          Issue Type: Improvement
          Components: guacamole, guacamole-server, RDP
    Affects Versions: 1.3.0, 1.4.0
            Reporter: Christoph


Hi,Hi,
 The windows rdp client does allow to connect to the 2 built in server rdp "console" sessions without requiring to have RDP "CAL"-licenses, which is especially relevant in Terminal Server situations.  

 

The real problems arises when one tries to connect to a specific terminal server in an terminal server cluster, because in this case the connection is made to a random server, not the one specified.

 

This does not happen when the /admin switch in mstsc.exe is used.  

Ive taken a look and freerdp has the ability to specify /admin too:  

In FreeRDP\client\common\cmdline.c there is this block:  
{code:java}
CommandLineSwitchCase(arg, "admin")  
{  
   settings->ConsoleSession = enable;  
}
{code}
Unfortunately guacamole does currently not have the ability to pass this flag before it calls freerdp_context_new.

I think it could just be added here  https://github.com/apache/guacamole-server/blob/master/src/protocols/rdp/rdp.c 
{code:java}
 
  freerdp* rdp_inst = freerdp_new();   
  rdp_inst->PreConnect = rdp_freerdp_pre_connect;  
  rdp_inst->Authenticate = rdp_freerdp_authenticate;  
+ rdp_inst ->settings-> ConsoleSession  = settings->console_session; 

{code}
 which of course would require to add console_session to guac_rdp_settings which in turn requires persisting the setting and even worse, extending the java user interface which is just beyond by abilities ... 



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