Re: [PATCH] apparmor: Don't check for existence of templates upfront

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On Tue, Sep 17, 2024 at 12:12:05AM +0900, Andrea Bolognani wrote:
> On Mon, Sep 16, 2024 at 04:04:40PM GMT, Daniel P. Berrangé wrote:
> > On Mon, Sep 16, 2024 at 04:55:55PM +0200, Andrea Bolognani wrote:
> > >  static virSecurityDriverStatus
> > >  AppArmorSecurityManagerProbe(const char *virtDriver G_GNUC_UNUSED)
> >
> > We're passing the virt driver name ("QEMU" or "LXC") in here and not using
> > it.....
> >
> > ...rather than delete these, pick the right check to perform based
> > on 'virtDriver' value.
> >
> > eg approximately like this
> >
> >    g_autofree char *template_name = g_strdup(virtDriver);
> >    for (i = 0; template_name[i]; i++)
> >        template_name[i] = tolower(template_name[i])
> >    template = g_strdup_printf("%s/TEMPLATE.%s", APPARMOR_DIR "/libvirt", template_name)
> 
> I can give it a shot, but it still seems pointless to check whether
> the files are available ahead of time when virt-aa-helper will do
> that at the time when they're actually going to be used. What do we
> gain by doing that?

Do we still get a clear error message back to the user if virt-aa-helper
fails due to the missing files ?

With regards,
Daniel
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