Holger Parplies escribió:
> 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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