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List:       kde-bugs-dist
Subject:    [Bug 181847] Dolphin doesn't show crypt_LUKS partition (on built-in
From:       Dave Gilbert <gilbertd+kde () treblig ! org>
Date:       2010-12-31 18:47:57
Message-ID: 20101231184757.D7AF679856 () immanuel ! kde ! org
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https://bugs.kde.org/show_bug.cgi?id=181847


Dave Gilbert <gilbertd+kde@treblig.org> changed:

           What    |Removed                     |Added
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                 CC|                            |gilbertd+kde@treblig.org




--- Comment #4 from Dave Gilbert <gilbertd+kde treblig org>  2010-12-31 19:47:55 ---
I'm digging on this a bit, and just thought I'd like to say how far I'd got,
I'm at the point of needing to understand a bit more about udisks flags;

kfileplaces gets it's info from 'solid', and if I do

  solid-hardware list details

I get for my crypto backing device:

udi = '/org/freedesktop/UDisks/devices/dm_2d0'
  parent = '/org/freedesktop/UDisks'  (string)
  vendor = ''  (string)
  product = ''  (string)
  description = '10.0 GiB Hard Drive'  (string)
  Block.major = 252  (0xfc)  (int)
  Block.minor = 0  (0x0)  (int)
  Block.device = '/dev/dm-0'  (string)
  StorageAccess.accessible = false  (bool)
  StorageAccess.filePath = ''  (string)
  StorageAccess.ignored = true  (bool)
  StorageDrive.bus = 'Platform'  (0x5)  (enum)
  StorageDrive.driveType = 'HardDisk'  (0x0)  (enum)
  StorageDrive.removable = false  (bool)
  StorageDrive.hotpluggable = false  (bool)
  StorageDrive.inUse = false  (bool)
  StorageDrive.size = 10737418240  (0x280000000)  (qulonglong)

note the 'StorageAccess.ignored = true' - and I think that's the reason it
doesn't appear - so where does that come from?

Well, solid/solid/backends/udisks/udisksstorageaccess.cpp and
udisksstoragevolume.cpp call ->isDeviceBlacklisted()

and udisksdevice.cpp defines isDeviceBlacklisted() as:


bool UDisksDevice::isDeviceBlacklisted() const
{
    return property("DevicePresentationHide").toBool() ||
property("DevicePresentationNopolicy").toBool() ||
            property("DeviceMountPaths").toStringList().contains("/boot") ||
            property("IdLabel").toString() == "System Reserved" ||
            property("IdUsage").toString().isEmpty();
}

Now, for my luks partition we have (from udisks --show-info):

presentation hide:  0
presentation nopolicy: 1
mount paths:
label:
usage: crypto

So it looks like the problem here is 'nopolicy'.

Whether it's udisks problem in setting it, or solid's udisks backend for caring
about it I haven't figured out yet.

Dave

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