Hi,

On Fri, 19 Mar 2010 09:51:37 +0000, Ximin Luo <xl...@cam.ac.uk> wrote:
> On 03/19/2010 05:37 AM, Julien Valroff wrote:
>> mmh I would rather say *you* have to run rkhunter before you use
>> aptitude.
>> 
>> I can hardly imagine that rkhunter is run twice in a row automatically.
> 
> Your logic doesn't follow. The two runs don't do the same thing; the
> pre-install run checks that all the hashes are OK, and the post-install
run
> updates all the hashes.

You are right, I had misunderstood it.

I will have a look at it during the week-end, but this would require extra
configuration in case something wrong is found (ie. stop the upgrade
process).

> If there were some way to make --propupd update only the hashes that
were
> modified as part of the install process, then the pre-install run
wouldn't
> be
> needed, but this is not the case.

There is such a possibility in rkhunter, but I haven't managed (yet) to
implement it correctly in the Debian package. See #512087

I do not see any "easy" way to implement this, apart from using
dpkg-triggers from the watched packages, but this would require much
coordination between a lot of Debian developers.

I had tried doing it directly in the rkhunter package (ie by detecing
which files were updated) but it is not reliable. 

Also, the process is almost as long as updating the whole database, hence
almost no speed win in that case.

Cheers,
Julien



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