On Thu, 5 Oct 2006, George Toft wrote:
> 1. Deleted files (say, qmail messages after pickup) are shredded upon
> deletion. Immediately upon delete. Since an application is performing
> the delete, I must assume "rm" is not being issued, so I can't
> substitute "shred" in its place.
Of course, I always recommend upgrading the applications with the feature
and contributing the patch... but, assuming that is somehow impossible.
You might be able to do something similar to libtrash[1]. Libtrash gets
preloaded for the application, and overwrites the remove function calls in
glibc so that a trash can is implemented. Basically all deletes become
moves to the trash folder. In the same way, you could make all deletes
shred the files.
Disclaimer: preloading is a nasty hack. Many people discourage it, and
they're all right. But, it may also solve all your problems :)
--Ted
[1]
http://pages.stern.nyu.edu/~marriaga/software/libtrash/
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