Dear all

The X2Go project is proud to announce a new release of the X2Go
component ,,x2goserver''.

New gains of this version of ,,x2goserver'' are:

  o respect the NoDisplay and Hidden values in .desktop files, thanks to Jason
  o x2gocleansessions rewritten - it now shouldn't be suspending sessions with
    no good reason anymore
  o randomize nxagent port, based on Robert Nowotny's SSH_PORT patch
  o remove Blowfish cipher when mounting remote sshfs endpoints - fixes file
    file sharing issues
  o the xsession-x2go-errors file now contains the hostname and is rotated once
  o X2GO_XSESSION feature output now captured thanks to Tor Perkins
  o various other bugfixes and improvements

The X2Go project thanks Jason Alavaliant, Henning Heinold, Robert Nowotny, and
Tor Perkins for their valuable input and submitted work.

X2Go Component: x2goserver
Date: Sun, 20 Nov 2016 12:39:36 +0100
Fixes these bug report(s): 799 812 888 889 903 922 923 985 1065 1068 1073
 x2goserver ( RELEASED; urgency=low
   [ Mike DePaulo ]
   * New upstream version (
     - TERMINAL Session: Add support for qterminal
       (Lightweight terminal emulator written in Qt)
     - TRINITY: Add support for Q4OS
   [ Mihai Moldovan ]
   * New upstream version (
     - x2goserver/bin/x2gogetapps: respect NoDisplay and Hidden values, don't
       parse the full desktop file if there are non-Desktop Entries groups.
       Based on a patch submitted by Jason Alavaliant. Fixes: #812.
     - x2goserver/bin/x2gogetapps: do not print spurious newlines.
     - Change string "X2go" to "X2Go" where appropriate.
     - Add runcommand.d hooks to x2goserver-extensions Makefile.
     - x2goserver/bin/x2gosessionlimit: don't iterate over the whole groups
       file. Only check the primary and secondary groups as returned by
       getgid()/getgroups(). Fixes long delays in session startup on machines
       with a gazillion of groups.
     - x2goserver/sbin/x2gocleansessions: re-fetch the current sessions' status
       before handling it. Using the "cached" value from the initial
       x2golistsessions run may be desynchronized with the actual current
       value. Avoids a race condition logging users out after they attached to a
     - x2goserver/sbin/x2gocleansessions: rename %remembered_sessions_since to
       %remembered_sessions_status_since. That's what it really is. Add
       comments to further clarify what it's actually doing. Change it to
       include a timestamp instead of the "iteration count multiplied by two"
       value. Compare timestamps to see if killing hanging nxagent processes is
     - x2goserver/sbin/x2gocleansessions: rename
       %remembered_sessions_status_since to
       %remembered_sessions_status_since_time. Add
       %remembered_sessions_status_since_iterations that will come in handy for
       the next change.
     - x2goserver/sbin/x2gocleansessions: give suspended-but-running sessions a
       grace period of one iteration. Fixes: #888.
     - x2goserver/sbin/x2gocleansessions: fix ugly missing whitespace.
     - x2goserver/sbin/x2gocleansessions: move up session status sync a bit,
       don't update session state when session has been removed from the
     - x2goserver/sbin/x2gocleansessions: unify log messages. Move dangling
       line around.
     - x2goserver/sbin/x2gocleansessions: whitespace only.
     - x2goserver/sbin/x2gocleansessions: also delete entries in the other,
       overlooked hashes.
     - x2goserver/sbin/x2gocleansessions: move socket and lock file cleanup
       into time-based block for finished/failed sessions.
     - x2goserver/sbin/x2gocleansessions: add @remembered_finished_sessions
       array. Merge with session list as queried from the database (won't
       include finished/failed sessions) and remember F-state sessions via this
       array. Only delete elements once work on these has been finished.
     - x2goserver/sbin/x2gocleansessions: don't add failed/finished sessions to
       remembered list if that list already includes them.
     - x2goserver/sbin/x2gocleansessions: don't use gmtime (time ()) but merely
       time (). The former one returns a formatted date-time string, which
       can't be checked by forming a difference. The latter one returns an UNIX
       timestamp, which is what we really want... minus leap seconds. Let's
       hope this doesn't bite back some time or later...
     - x2goserver/sbin/x2gocleansessions: add debugging output to show the
       state change when updating the cached state result.
     - x2goserver/sbin/x2gocleansessions: only output status refreshing debug
       message if the old and new states actually differ. Prevents log spam.
     - x2goserver/bin/x2gostartagent: changes to Robert Nowotny's SSH_PORT
       patch. Fixes: #922. Use default outgoing interface to determine IP
       address. Use the whole range of ${RANDOM}'s pool. Seed it for good
       measure. Change the default method to randomization instead of IP-based
       initialization. If IP-based initialization was requested but the default
       outgoing IP address unavailable, fall back to randomization.
     - x2goserver/bin/x2goruncommand: whitespace and comment changes only.
     - x2goserver/bin/x2gocleansessions: replace system_capture_stdout_output()
       with actual implementation. We don't have that function on the release
     - x2goserver-xsession/etc/Xsession: use /bin/bash explicitly on RedHat-,
       Gentoo- and SuSE-based systems. Users might change /bin/sh to point to a
       shell like mksh or dash, which do not support the -l or -c flags to
       exec. C.f., BGO #575022 (Gentoo.)
     - x2goserver/bin/x2gomountdirs: remove blowfish Cipher spec hardcoded for
       sshfs mounts. The speed improvement is probably mostly an illusion
       (unless talking about high-bandwidth links) and more importantly recent
       OpenSSH server versions seem to disable the Blowfish cipher by default,
       leading to errors like "Connection reset by peer."
     - x2goserver/bin/x2goruncommand: whitespace only.
     - x2goserver/sbin/x2gocleansessions: add Perl documentation and --help,
       -h, -? and --man options. Fixes: #1065. Also print a usage message on
       unknown options.
     - x2goserver/man/man8/x2gocleansessions.8: drop obsolete man page.
     - x2goserver-xsession/etc/Xsession: fix uname calls when (potentially)
       creating session log/error file and add uname call where necessary.
     - x2goserver-xsession/etc/Xsession: include hostname in
       xsession-x2go-errors file name. Part of #923.
     - x2goserver-xsession/etc/Xsession: rotate old log/error file before
       appending new data. Fixes: #923.
     - x2goserver-xsession/etc/Xsession: fix wrong variable usage.
       Fixes: #1073.
     - x2goserver/sbin/x2gocleansessions: move in-file POD to end of file,
       rather than "commenting" out all the remaining code. Fixes: #1068.
     - x2goserver/sbin/x2godbadmin: exit earlier when not finding the required
       "x2gouser" user.
   * x2goserver.spec:
     - Add sudo and logcheck as BuildRequires and Requires. Don't own
       directories that are owned by sudo and logcheck. Logcheck is not
       available on *SUSE, FC < 20 and RHEL, so for those distros still own the
     - Typo fix in comment: Recommands -> Recommends.
     - Fix installation on OpenSUSE 12.3 and higher: has replaced pwdutils with
       shadow. Also affects SLE{S,D} 12.
     - Add workaround documentation for sudoers on *SUSE 11.
     - Add shadow/shadow-utils/pwdutils Requires to x2goserver-printing
       sub package.
     - Add new dependency on bash.
     - Add new dependency on xkeyboard-config to x2goserver. Fixes: #903.
     - Add new dependency on perl and the Cwd module to x2goserver-xsession.
       Part of #923.
   * debian/control:
     - Add new dependency on bash.
     - Add new dependency on xkb-data to x2goserver.
     - Maintainer change in package: X2Go Developers <>.
     - Uploaders: add myself. Also, force a rebuild due to the changed
     - Add new dependency on perl-modules for Cwd. Part of #923.
   [ Henning Heinold ]
   * New upstream version (
     - x2goserver/sbin/x2godbadmin: remove trailing whitespace.
     - x2goserver/sbin/x2godbadmin: revoke all PRIVILEGES before trying to
       delete a user on postgres. Fixes: #889.
   [ Mike Gabriel ]
   * debian/x2goserver.preinst:
     + Use proper comment header explaining about preinst script argument
       calls (not postinst).
   [ Robert Nowotny ]
   * New upstream version (
     - x2goserver/bin/x2gostartagent: original patch for SSH_PORT
       randomization/IP-based initialization. Submitted as #922.
   [ Stefan Baur ]
   * New upstream version (
     - x2goserver/bin/x2goruncommand: add the other trinity launcher scripts in
       order from newest to oldest. Fixes: #985.
   [ Tor Perkins ]
   * New upstream version (
     - x2goserver/bin/x2goruncommand: capture x2goruncommand debug output for
       x2gofeature X2GO_XSESSION.
   [ Orion Poplawski ]
   * New upstream version (
     - x2goserver/bin/x2golistdesktops: drop -u parameter to ss. Fixes: #799.
       We would filter out UDP sockets later anyway and the combination -lxu is
       known to be broken with some versions of iproute2.


Mihai Moldovan

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