[Libguestfs] [PATCH] sysprep: user-account: remove the correct home

[Richard W.M. Jones]

On Tue, Sep 02, 2014 at 05:33:26PM +0200, Pino Toscano wrote:
> Query using augeas for the home directory of an user, instead of
> hardcoding /home/<username>.
> ---
>  sysprep/sysprep_operation_user_account.ml | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/sysprep/sysprep_operation_user_account.ml b/sysprep/sysprep_operation_user_account.ml
> index 3d88ffc..dc194f4 100644
> --- a/sysprep/sysprep_operation_user_account.ml
> +++ b/sysprep/sysprep_operation_user_account.ml
> @@ -84,6 +84,8 @@ let user_account_perform ~verbose ~quiet g root side_effects =
>            String.sub userpath (i+1) (String.length userpath -i-1) in
>          if uid >= uid_min && uid <= uid_max
>             && check_remove_user username then (
> +          (* Get the home before removing the passwd entry. *)
> +          let home_dir = g#aug_get (userpath ^ "/home") in

I suspect you'll want to catch an exception here (G.Error I _think_?)

Not sure how to handle the exception -- perhaps by ignoring the user
and continuing to the next one, and certainly by not deleting any
directories ...

ACK with some kind of exception handling.

Rich.

>            g#aug_rm userpath;
>            (* XXX Augeas doesn't yet have a lens for /etc/shadow, so the
>             * next line currently does nothing, but should start to
> @@ -91,7 +93,7 @@ let user_account_perform ~verbose ~quiet g root side_effects =
>             *)
>            g#aug_rm (sprintf "/files/etc/shadow/%s" username);
>            g#aug_rm (sprintf "/files/etc/group/%s" username);
> -          g#rm_rf ("/home/" ^ username)
> +          g#rm_rf home_dir
>          )
>      ) users;
>      g#aug_save ();
> -- 
> 1.9.3
> 
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