[Bug 1778322] Re: gvfs-smb-browse can't browse samba/smb tree

[Sebastien Bacher]

Thanks for the testing. Indeed there is a problem, from the build log

"Native dependency smbclient found: YES 0.3.1
Checking for function "smbc_setOptionProtocols" : NO"

The API needed is too new for our current libsmbclient version, we need to backport that one as well.
The other changes from the SRU are fine though and that one is just a no-change without the API so it probably makes sense to validate the current SRU anyway and do another round for libsmbclient/rebuild gvfs later

** Also affects: samba (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: samba (Ubuntu)
   Importance: Undecided => High

** Changed in: gvfs (Ubuntu)
       Status: Fix Released => Triaged

** Changed in: gvfs (Ubuntu)
   Importance: Low => High

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https://bugs.launchpad.net/bugs/1778322

Title:
  gvfs-smb-browse can't browse samba/smb tree

Status in gvfs package in Ubuntu:
  Triaged
Status in nautilus package in Ubuntu:
  Invalid
Status in samba package in Ubuntu:
  Triaged
Status in gvfs source package in Bionic:
  Fix Committed
Status in gvfs source package in Cosmic:
  Fix Committed

Bug description:
  * Impact
  On Bionic Beaver 18.04.1 gvfs-smb-browse can't browse smbtree because of that Nautilus displays "Empty Folder" when clicking "Windows Network"

  * Test case
  Try to browse a smb share from a bionic client

  * Regression potential
  Check that smb browsing/mounts still work as they should

  ---------------------------

  Nautilus should show smbtree nad host on the smb network.

  When inputing this command:
  killall gvfsd-smb-browse && GVFS_DEBUG=1 /usr/lib/gvfs/gvfsd-smb-browse

  You can see the error:
  smb-network: Queued new job 0x55b19a2c9f40 (GVfsJobCreateMonitor)
  smb-network: send_reply(0x55b19a2c9f40), failed=1 (Action not supported by the processing engine)
  smb-network: backend_dbus_handler org.gtk.vfs.Mount:QueryFilesystemInfo (pid=5708)
  smb-network: Queued new job 0x55b19a2e7820 (GVfsJobQueryFsInfo)
  smb-network: send_reply(0x55b19a2e7820), failed=0 ()
  smb-network: backend_dbus_handler org.gtk.vfs.Mount:Enumerate (pid=5708)
  smb-network: Queued new job 0x55b19a2c30c0 (GVfsJobEnumerate)
  smb-network: send_reply(0x55b19a2c30c0), failed=0 ()

  Proposed solution:
  Add gvfsbackendbrowse-switch-to-NT1.patch disscused on RedHat Bugzilla
  [link]https://bugzilla.redhat.com/show_bug.cgi?id=1513394
  which implements "change to NT1" in gvfs-smb-browse to browse smbtree to aviod adding "max client protocol" = NT1" to smb.conf to switch all samba to unsafe NT1 which most users are doing to correct this bug.

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