[jira] [Created] (GUACAMOLE-681) Console codes crashing SSH

["Patrick Collins (JIRA)" <ji...@apache.org>]

Patrick Collins created GUACAMOLE-681:
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             Summary: Console codes crashing SSH
                 Key: GUACAMOLE-681
                 URL: https://issues.apache.org/jira/browse/GUACAMOLE-681
             Project: Guacamole
          Issue Type: Bug
          Components: SSH
    Affects Versions: 0.9.14
         Environment: Newest docker versions of guacd and guacamole, running on Unraid. Client is connecting from Chromium on Arch Linux.
            Reporter: Patrick Collins


Based on [this|https://issues.apache.org/jira/projects/GUACAMOLE/issues/GUACAMOLE-277] issue, it seems Guacamole is supposed to work with Linux console codes.

I'm getting reliable crashes when printing certain console codes in a Guacamole SSH session; notably ones printed by .bashrc in [some configurations|https://github.com/dylanaraps/pywal].

When printed directly on the device, (whether on a tty or a terminal emulator,) the codes work.

When printed in Guacamole, they immediately crash the session; prompting reconnection.

This command is enough to crash the session:
{code:java}
echo 1b5d343b0a | xxd -r -p{code}
(It converts some hex to 'ESC []4;' and prints it.)

 

Apologies if the priority of this issue is inappropriate; I based it off the "crashes" criterion; but I'm not certain to what extent the program has to crash to qualify.



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