[ILUG] rsync + switching user after connection

[Barry O'Donovan]

On Tuesday 16 November 2004 22:19, Darragh Bailey wrote:
> Trying to use rsync to update a local copy of a website from the one
> sitting on a server.
>
> Normally I can use
>
> rsync -vare ssh user at host:src_dir/* local_dir/
> --exclude-from=local_dir/EXCL
>
> But in this case I need to be able to switch user after login in
> order to retreive the files fully due to permissions,

Can you set up a common group with read access?

On one of the servers I admin, multiple users require write access to 
the web pages and I use a "webedit" group for this. 

e.g.
-rw-rw-r--   1 apache webedit     415 Jul 17 20:25 index.php

Regards,
Barry


> before any one 
> askes its not root, but a common website editing account shared
> between a few members. Additionally loging in remotely as the shared
> user will not work either.
>
>
> I was looking at
> rsync -var --rsh="ssh -l user host su - new_user" :src_dir/*
> local_dir/ --exclude-from=local_dir/EXCL
>
> But rsync terminates the connection. Is it possible to do it this
> way, in which case could someone point out what I'm missing or do I
> have to resort to a script in order to be able to perform this?
>
>
> output from rsync is
>
> bash: su - new_user: command not found
> rsync: connection unexpectedly closed (0 bytes read so far)
> rsync error: error in rsync protocol data stream (code 12) at
> io.c(342)
>
>
> experimenting from the command line with just ssh gets the message
> su: must be run from a terminal
>
> So that suggests what the problem rsync is having but isn't any
> assistance in building a new command line that would work.
>
> Setting up a script on the far side to run when I login is no good
> since I sometimes need to be able to ssh in without becoming a
> different user afterwards.
>
> Additionally taring and bziping the website up and downloading it is
> not really an option. Once in a while that can be done, the rest of
> the time I need to be able to use either rsync over ssh or some other
> system than only retreives modified files over ssh.
>
> --
> Darragh
>
> "Nothing's foolproof to a sufficently talented fool"

-- 
Regards,
Barry O'Donovan
http://www.barryodonovan.com/
http://www.ihl.ucd.ie/		

Public key: http://www.barryodonovan.com/gpg.asc