[jira] [Resolved] (SSHD-753) SSHD cannot read its keyfile through a symlink

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

     [ https://issues.apache.org/jira/browse/SSHD-753?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Goldstein Lyor resolved SSHD-753.
---------------------------------
       Resolution: Fixed
    Fix Version/s: 1.6.0

> SSHD cannot read its keyfile through a symlink
> ----------------------------------------------
>
>                 Key: SSHD-753
>                 URL: https://issues.apache.org/jira/browse/SSHD-753
>             Project: MINA SSHD
>          Issue Type: Bug
>    Affects Versions: 1.5.0
>            Reporter: Anthony Wood
>            Assignee: Goldstein Lyor
>            Priority: Minor
>             Fix For: 1.6.0
>
>
> In {{AbstractGeneratorHostKeyProvider.loadFromFile()}} the configured {{keyPath}} is checked using {{LinkOption.NOFOLLOW_LINKS}}.  If the path is a symlink, the key will be ignored.  Perversely, this class then generates and writes out a new key (if overwriteAllowed) writing through the symlink and clobbering the original; on every startup it will ignore its own previous key and do it again.
> Note this is *not* about following or listing symlinks for, e.g., SFTP clients (SSHD-733).
> Since the key path is purely server-side configuration, SSHD should not interfere with deployment details such as whether its private key is behind a symlink.



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