[jira] Commented: (WAGON-262) Support hashed hostnames in the known_hosts file

["Jozef Kotlár (JIRA)" <ji...@codehaus.org>]

    [ http://jira.codehaus.org/browse/WAGON-262?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=194664#action_194664 ] 

Jozef Kotlár commented on WAGON-262:
------------------------------------

According my investigation is this issue already solved (I spotted it now in Maven 2.0.10, but upgrade to Maven 2.2.0 resolved the problem).

Tracking the bug down 9 discovered, that support in jsch was added in version 0.1.29+. See [ChangeLog|http://www.jcraft.com/jsch/ChangeLog]
{noformat}
Changes since version 0.1.29:		
...
- feature: the hashed known_hosts file has been supported.
	   Refer to 'examples/KnownHosts.java'.
{noformat}

Therefore it should be solved in wagon-ssh *1.0-beta-3* - as it is using jsch 0.1.38.

> Support hashed hostnames in the known_hosts file
> ------------------------------------------------
>
>                 Key: WAGON-262
>                 URL: http://jira.codehaus.org/browse/WAGON-262
>             Project: Maven Wagon
>          Issue Type: Improvement
>          Components: wagon-ssh
>    Affects Versions: 1.0-beta-5
>            Reporter: Wes Wannemacher
>            Priority: Minor
>             Fix For: 1.0
>
>
> This isn't directly a wagon problem, but it was a problem with the older Jsch. Newer versions of OpenSSH can be told to hash the host names in the known_hosts file... There is some information on the 'net about the file format, example link - http://nms.csail.mit.edu/projects/ssh/install40-other.php. Although I have never had a problem before, I ran a bare-metal install of Ubuntu Jaunty earlier in the week and they have this option turned on by default. Since this was a new machine, all of the entries in known_hosts were hashed. This means, you try to deploy an artifact using wagon-ssh and you will get prompted since authenticity can't be verified. There is info on the Jsch home page that says that later versions (0.4.1?) support hashed known_hosts. I tried updating the pom.xml file to use a newer Jsch, and all of the unit tests pass. There is also a nabble thread here (where I converse with myself) about the issue - 
> http://n2.nabble.com/release%3Aperform-problem-with-ssh-scp-td2734566.html#none
> I'm not going to attach a patch, since all that I have tried to do is update the pom, I haven't done proper testing. 

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