Re: [Evolution] Where does evolution store its files?

On Thu, 2012-01-26 at 13:15 -0500, Adam Tauno Williams wrote:
On Thu, 2012-01-26 at 13:45 +0000, Pete Biggs wrote:
Until just now, I didn't know that it was a tar archive.
I was going by this:
If it's just one tar file,
I can change permissions on the tar file.
A user program really can't do much with the owner informaton in a tar file.
Quite.  When the tar file is unpacked the ownership of the files will be
set to the user who unpacked it - no other course of action is possible
since only the root user can set the ownership of a file to something
else (and I really hope you aren't running a mail client as root!)

This isn't true;  tar can request to not set the ownership, it can just
extract the files and leave permissions and ownership alone.

Wrong. A non-root process can *only* create files owned by the user
running it, and 'tar' is of course not setuid.


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