Re: [PATCH] Possible fix for some encryption related bugs during the Custom Layout editation (#495848)

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On Thu, 2009-04-16 at 14:01 -0400, Martin Sivak wrote:
> But of course, that would cause problems with just LUKS + filesystem... hmm any way how to allow modification of LUKS if there is only filesystem or nothing else on top of it?

That is exactly what the patch I sent does.

Dave

> 
> > Hi,
> > 
> > right, but now I'm thinking just about:
> > 
> > +        elif device.format.type == "luks":
> > +            try:
> > +                luksdev = self.devicetree.getChildren(device)[0]
> > +            except IndexError:
> > +                pass
> > +            else:
> > +                return "There is %s on top of this encrypted device."
> > % luksdev.format.name
> > 
> > Because I do not care if the devices on top of LUKS are mutable. I
> > just want to disallow modifying the LUKS when there any devices on top
> > of it.
> > 
> > Martin
> > 
> > ----- "David Lehman" <dlehman@xxxxxxxxxx> wrote:
> > 
> > > I think you're on the right track, but you probably want something
> > > more
> > > like this:
> > >
> > > diff --git a/storage/__init__.py b/storage/__init__.py
> > > index f12c6c3..744d608 100644
> > > --- a/storage/__init__.py
> > > +++ b/storage/__init__.py
> > > @@ -520,6 +520,13 @@ class Storage(object):
> > >                      else:
> > >                          return _("This device is part of a LVM
> > volume
> > > "
> > >                                   "group.")
> > > +        elif device.format.type == "luks":
> > > +            try:
> > > +                luksdev = self.devicetree.getChildren(device)[0]
> > > +            except IndexError:
> > > +                pass
> > > +            else:
> > > +                return self.deviceImmutable(luksdev)
> > >          elif isinstance(device, PartitionDevice) and
> > > device.isExtended:
> > >              reasons = {}
> > >              for dep in self.deviceDeps(device):
> > >
> > >
> > > Dave
> > >
> > > On Thu, 2009-04-16 at 13:47 +0200, Martin Sivak wrote:
> > > > ---
> > > >  storage/__init__.py |   19 +++++++++++++++++++
> > > >  1 files changed, 19 insertions(+), 0 deletions(-)
> > > >
> > > > diff --git a/storage/__init__.py b/storage/__init__.py
> > > > index 8678b6e..af24af6 100644
> > > > --- a/storage/__init__.py
> > > > +++ b/storage/__init__.py
> > > > @@ -327,6 +327,18 @@ class Storage(object):
> > > >          return partitions
> > > >
> > > >      @property
> > > > +    def lukses(self):
> > > > +        """ A list of the LUKS devices in the device tree.
> > > > +
> > > > +            This is based on the current state of the device tree
> > > and
> > > > +            does not necessarily reflect the actual on-disk state
> > > of the
> > > > +            system's disks.
> > > > +        """
> > > > +        lukses = self.devicetree.getDevicesByType("luks")
> > > > +        lukses.sort(key=lambda d: d.name)
> > > > +        return lukses
> > > > +
> > > > +    @property
> > > >      def vgs(self):
> > > >          """ A list of the LVM Volume Groups in the device tree.
> > > >
> > > > @@ -519,6 +531,13 @@ class Storage(object):
> > > >                      else:
> > > >                          return _("This device is part of a LVM
> > > volume "
> > > >                                   "group.")
> > > > +        elif device.format.type == "luks":
> > > > +            for luksdev in self.lukses:
> > > > +                #If we are checking LUKS, check also devices
> > which
> > > are on top of it
> > > > +                msg = self.deviceImmutable(luksdev)
> > > > +                if msg:
> > > > +                    #remove the tailing dot to construct the
> > > message
> > > > +                    return " ".join(msg[:-1], "on top of LUKS
> > > device %s." % (luksdev.name,))
> > > >          elif isinstance(device, PartitionDevice) and
> > > device.isExtended:
> > > >              reasons = {}
> > > >              for dep in self.deviceDeps(device):
> > >
> > > _______________________________________________
> > > Anaconda-devel-list mailing list
> > > Anaconda-devel-list@xxxxxxxxxx
> > > https://www.redhat.com/mailman/listinfo/anaconda-devel-list
> 
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