[clamav-users] Manual cdiff update

[Alain Zidouemba]

No need to repack daily.cvd. You can if you want to but you don't have to.

- Alain


On Mon, Apr 28, 2014 at 3:14 PM, Arthur Snyder <snydera at yahoo.com> wrote:

> Thank you.  That helps.  Do I need to repack the daily.cvd after applying
> the cdiff before placing it in /var/lib/clamav?  If so, will it still work
> since I cannot sign it with a clamav cert?
>
> Art
>
> --------------------------------------------
> On Mon, 4/28/14, Shawn Webb <swebb at sourcefire.com> wrote:
>
>  Subject: Re: [clamav-users] Manual cdiff update
>  To: "ClamAV users ML" <clamav-users at lists.clamav.net>
>  Date: Monday, April 28, 2014, 2:48 PM
>
>  On Fri, Apr 25, 2014 at
>  8:20 PM, Arthur Snyder <snydera at yahoo.com>
>  wrote:
>
>  > I am trying to
>  manually update a daily.cvd file with a daily-xx.cdiff
>  > file.   I know I can just
>  download the latest daily.cvd.  I know I can just
>  > run freshclam and update.  That is not
>  the point.
>  >
>  > I run
>  sigtool --verify-cdiff daily-xxx.cdiff daily.cvd and it
>  states the
>  > cdiff file correctly
>  applies.  However, if I run sigtool --run-cdiff
>  > daily-xxx.cdiff it states can't open
>  file daily.info for reading.  I have
>  >
>  run the commands on relatively fresh daily.cvd files so I
>  know the file it
>  > good.  I run sigtool
>  -i daily.cvd and it validates the file.  daily.cvd and
>  > daily-xxx.cdiff are in the same directory
>  and I execute sigtool from the
>  > same
>  directory.  Permissions are set correctly and it does not
>  matter if I
>  > run the sigtool command as
>  root or not.  It is as if the run option cannot
>  > locate the daily.cvd file whereas the
>  verify function has the daily.cvd
>  > file
>  specified.  It seems simple.  What am I missing?  Thank
>  you for the
>  > help.
>  >
>
>  Hey
>  Arthur,
>
>  Before you apply a
>  cdiff, you have to unpack the database for which it
>  applies into a directory. You can follow this
>  procedure to manually apply a
>  cdiff to daily
>  (and adopt it to your circumstances, of course):
>
>  1. mkdir /tmp/cvd
>  2. cd /tmp/cvd
>  3. sigtool
>  --unpack-current=daily
>  4. sigtool
>  --apply-cdiff=/path/to/downloaded/cdiff
>
>  If you have any further questions, comments, or
>  concerns, please let me
>  know.
>
>  Thanks,
>
>  Shawn
>  _______________________________________________
>  Help us build a comprehensive ClamAV guide:
>  https://github.com/vrtadmin/clamav-faq
>  http://www.clamav.net/support/ml
>
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