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https://issues.apache.org/jira/browse/GUACAMOLE-613?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16587374#comment-16587374
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Alexey edited comment on GUACAMOLE-613 at 8/21/18 1:27 PM:
-----------------------------------------------------------
RDP server can send to the client PDU named "*Save Session Info PDU*" in the
field type INFOTYPE_LOGON
[https://msdn.microsoft.com/en-us/library/cc240635.aspx]
There are two versions. "Logon Info Version 1" and "Logon Info Version 2":
[https://msdn.microsoft.com/en-us/library/cc240637.aspx]
[https://msdn.microsoft.com/en-us/library/cc240638.aspx]
Inside these structures _SessionId_ field exists.
To make server send this PDU to the client, a PDU named "*Client Info PDU*"
([https://msdn.microsoft.com/en-us/library/cc240474.aspx]) should be sent with
the flag inside "*Info Packet*" set to "*INFO_LOGONNOTIFY*".
I am not an expert in FreeRDP, but looked into it, and there is some functions
implemented named:
{code:java}
rdp_send_save_session_info
rdp_recv_save_session_info
rdp_recv_client_info
rdp_send_client_info{code}
I think it can be used.
Field _settings->LogonNotify_ should be set to true
and _update->SaveSessionInfo_ is called when PDU is received.
was (Author: fadeev):
RDP server can send to the client PDU named "*Save Session Info PDU*" in the
field type INFOTYPE_LOGON
[https://msdn.microsoft.com/en-us/library/cc240635.aspx]
There are two versions. "Logon Info Version 1" and "Logon Info Version 2":
[https://msdn.microsoft.com/en-us/library/cc240637.aspx]
[https://msdn.microsoft.com/en-us/library/cc240638.aspx]
Inside these structures _SessionId_ field exists.
To make server send this PDU to the client, a PDU named "*Client Info PDU*"
([https://msdn.microsoft.com/en-us/library/cc240474.aspx]) should be sent with
the flag inside "*Info Packet*" set to "*INFO_LOGONNOTIFY*".
I am not an expert in FreeRDP, but looked into it, and there is some functions
implemented named:
{code:java}
rdp_send_save_session_info
rdp_recv_save_session_info
rdp_recv_client_info
rdp_send_client_info{code}
I think it can be used.
Field _settings->LogonNotify_ should be set to true.
> Implement connect/reconnect to the specific session id.
> -------------------------------------------------------
>
> Key: GUACAMOLE-613
> URL: https://issues.apache.org/jira/browse/GUACAMOLE-613
> Project: Guacamole
> Issue Type: Improvement
> Components: guacamole
> Affects Versions: 0.9.12-incubating
> Environment: Guacamole 0.9.12
> Reporter: Alexey
> Priority: Major
>
> *The problem is:*
> on Terminal Servers it is possible to create several sessions for the same
> user. When I reconnect, then server creates anoter session (second one) for
> me. When I reconnect again, it creates third session. Reconnect again - it
> returns to the first session... and so on...
> I want to be reconnected to the same session.
> *The solution:*
> According to the rdp documentation (if I understood it correctly), it is
> possible to connect to specific session id.
> [https://msdn.microsoft.com/en-us/library/cc240445.aspx]
> in the section [2.2.1.3.5 Client Cluster Data
> (TS_UD_CS_CLUSTER)|https://msdn.microsoft.com/en-us/library/cc240514.aspx] is
> described that it is possible _“to request a connection to a given session
> identifier. ”._ Just need to pass RedirectedSessionID and set a flag
> REDIRECTED_SESSIONID_FIELD_VALID
> Quote:
> _“RedirectedSessionID (4 bytes): A 32-bit unsigned integer._
> _If the REDIRECTED_SESSIONID_FIELD_VALID flag is set in the Flags field, then
> the RedirectedSessionID field contains a valid session identifier to which
> the client requests to connect"_
>
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