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Re: [libvirt] [PATCH 0/3] qemu: Fix how files are being opened



On 05/24/2013 10:25 PM, Martin Kletzander wrote:
> There were some places in the code, where files were being opened with
> uid:gid of the daemon instead of the qemu process related to the file.
> 
> First patch exposes the parseIds() function in order for it to be used
> somewhere else in the code than in the DAC security driver.  The next
> patch fixes how the files are opened and the last one fixes occurences
> of open() that should use different uid:gid for opening files.
> 
> There maybe should be a check for whether the file being opened is an
> image and whether the label used to open the file should be imagelabel
> or not.  But, the QEMU process opening the file is running as the
> label (not imagelabel) and accessing the files as such.
> 
> Martin Kletzander (3):
>   Expose ownership ID parsing
>   Make qemuOpenFile aware of per-VM DAC seclabel.
>   Use qemuOpenFile in qemu_driver.c
> 
>  src/libvirt_private.syms    |  1 +
>  src/qemu/qemu_driver.c      | 87 +++++++++++++++++++++++++++++++--------------
>  src/security/security_dac.c | 51 ++------------------------
>  src/util/virutil.c          | 56 +++++++++++++++++++++++++++++
>  src/util/virutil.h          |  2 ++
>  5 files changed, 122 insertions(+), 75 deletions(-)
> 

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