Rodney Green wrote:
> Marek Kilimajer wrote:
>
>> Rodney Green wrote:
>>
>>> Greetings!
>>>
>>> I'm writing a script that downloads a tarball from an FTP server and
>>> unpacks it into a directory. Here's the line of code that does this.
>>>
>>> exec("tar -C /scripts/ -zxv --preserve-permissions -f " .
>>> "/scripts/mailfiles.tar.gz") or die('Tar failed!');
>>>
>>> My problem is that the files' ownership is changed when the tarball
>>> is unpacked. I'm executing the script from a web browser and Apache
>>> is running as the user "apache" so the files are unpacked and
>>> ownership given to the user apache. How can I make it so the files
>>> will keep the original ownerships? This is important because the
>>> files are mail files and the script is used to restore the mail
>>> files from backup so the users can access them.
>>
>>
>> Only root can change file ownership.
>>
> Thanks for replying. Any suggestions on how to do this then?
>
> Rod
Multiple solutions, some better, easier, faster or securer than others
- Make a 'cron' script, executing as root, which handles ownerships.
- Make a 'cron' script, executing as your own user, that extracts
the tarball
- Use the suexec wrapper, to change the using user of your virtual
host
- Run Apache as another user
- Make the users member of group 'apache', and give g+r file
permissions (group gets read)
With some inspiration you can probably come up with a few more, just as I
could if I wanted too ;P
Good luck!
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