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Posted to commits@guacamole.apache.org by "Michael Jumper (JIRA)" <ji...@apache.org> on 2018/01/26 23:59:00 UTC

[jira] [Created] (GUACAMOLE-489) Secondary socket of "tee" socket is not threadsafe

Michael Jumper created GUACAMOLE-489:
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             Summary: Secondary socket of "tee" socket is not threadsafe
                 Key: GUACAMOLE-489
                 URL: https://issues.apache.org/jira/browse/GUACAMOLE-489
             Project: Guacamole
          Issue Type: Bug
          Components: libguac
            Reporter: Michael Jumper


While working on GUACAMOLE-313, it was discovered that the "tee" implementation of {{guac_socket}} (created through a call to {{guac_socket_tee()}}) only actually locks/unlocks the primary socket when sending instructions. This means that instructions which are manually sent along the secondary socket may overlap with instructions written through the tee socket, resulting in protocol errors.

Both primary and secondary sockets should be threadsafe relative to instruction writes on the tee socket.



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