[Libguestfs] Libguestfs with Yara rules error

Luis luisfueris at gmail.com
Mon Dec 23 15:32:18 UTC 2019


I did not send you the project I did with Libguestfs... Futhermore there is
a git repo here! https://gitlab.com/luisfm/fitz-roy and a post on my blog
http://acmpxyz.com/fitz_roy.html. Thanks so much for that terrific library
in order to access VMs!

Cheers and merry christmas!



El sáb., 21 dic. 2019 a las 23:47, Luis Fueris (<luisfueris at gmail.com>)
escribió:

> Hi Richard.
>
> Few days ago, I installed libyara a libguestfs properly. But when I load
> a yara rule and scan it via guestfs_yara_scan, my binary throughts
> following error:
>
> libguestfs: error: deserialise_yara_detection_list: Success
>
> And function exists with NULL value. As we can see this function is on
> lib/yara.c from libguestfs git. I think that these yara functions are an
> integration for yara C api. All debug and trace log is in
> libguestfs-yara.debug file.
>
>
> El 10/12/2019 a las 09:46, Richard W.M. Jones escribió:
> > On Tue, Dec 10, 2019 at 09:19:47AM +0100, Luis wrote:
> >> I am using libguestfs 1.40.2 and yara 3.11.0 but when I execute my
> program
> >> it thoughts the following error:
> >>
> >> $> ./yara-guestfs
> >> libguestfs: error: yara_load: feature 'libyara' is not available in this
> >> build of libguestfs.  Read 'AVAILABILITY' in the guestfs(3) man page for
> >>
> >> If we check the manual, in guestfs appears guestfs_yara_load function so
> >> libyara is installed. I installed and compiled it from tarballs.
> > This function:
> >
> >
> https://github.com/libguestfs/libguestfs/blob/4aa4edf972bc8df8869cdcaa4ab4f40b63a626cf/daemon/yara.c#L308
> >
> > returns 1 if HAVE_YARA is defined.  This is defined by this
> > ./configure test:
> >
> >
> https://github.com/libguestfs/libguestfs/blob/4aa4edf972bc8df8869cdcaa4ab4f40b63a626cf/m4/guestfs-daemon.m4#L128
> >
> > In other words it depends how libguestfs was configured.  Where
> > did you get libguestfs from?  How was it compiled?
> >
> > Rich.
> >
>


-- 
Luis Fueris
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