[jira] [Work started] (SSHD-679) Support (or ignore) IUTF8 terminal mode (42)

["Goldstein Lyor (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SSHD-679?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on SSHD-679 started by Goldstein Lyor.
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> Support (or ignore) IUTF8 terminal mode (42)
> --------------------------------------------
>
>                 Key: SSHD-679
>                 URL: https://issues.apache.org/jira/browse/SSHD-679
>             Project: MINA SSHD
>          Issue Type: Improvement
>    Affects Versions: 0.14.0, 1.1.1, 1.2.0
>            Reporter: Raman Gupta
>            Assignee: Goldstein Lyor
>              Labels: easyfix
>             Fix For: 1.3.0
>
>
> My version of openssh running on Fedora 23 is:
> OpenSSH_7.2p2, OpenSSL 1.0.2h-fips  3 May 2016
> When connecting to an sshd server using this client, the client transmits terminal mode 42 (IUTF8 terminal, see https://tools.ietf.org/html/draft-sgtatham-secsh-iutf8-01).
> The server however does not define this mode and breaks out of the loop processing the client terminal modes with the warning:
> Unknown pty opcode value: 42
> As per the spec (https://tools.ietf.org/html/rfc4254#page-19) only opcodes 160 to 255 should cause parsing to stop. Other opcodes, if not understood by the server (such as opcode 42) should be ignored. However, currently opcodes less than 160 cause parsing to stop as well.



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