Hi,

Craig Barratt wrote on 2009-01-07 22:46:09 -0800 [Re: [BackupPC-users] I 
received the error "No files dumped for share"]:
> Omar writes:
> 
> > $Conf{TarClientCmd} = ' env LC_ALL=C /usr/bin/sudo $tarPath -c -v -f -
> > -C $shareName+'
> >                     . ' --totals';
> > 
> > $Conf{TarClientRestoreCmd} = ' env LC_ALL=C /usr/bin/sudo $tarPath -x -p
> > --numeric-owner --same-owner'
> >                    . ' -v -f - -C $shareName+';
> 
> Both of these are wrong - they start with a space.  BackupPC doesn't
> know what program to exec.
> 
> You need something like:
> 
>     $Conf{TarClientCmd} = '/usr/bin/sudo env LC_ALL=C $tarPath -c -v -f - -C 
> $shareName+ --totals';

though I would like to point out that configuring sudo to allow execution of
'env' is effectively allowing arbitrary commands as root. You need to have
something like

        backuppc        ALL=NOPASSWD: /usr/bin/env LC_ALL=C /usr/bin/tar -c *

in /etc/sudoers to be fairly secure (you might want to specify more or less of
the command line, depending on what you want; more to limit it to a specific
directory, less to allow restores with the same sudoers entry).

If you use something like '/usr/bin/env LC_ALL=C /usr/bin/sudo ...' that
probably won't work, depending on which environment variables your sudo
propagates and which it doesn't.

Regards,
Holger

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