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x11docker
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x11docker
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#! /bin/bash
# x11docker
# Run GUI applications and desktop environments in docker on a separate X server or Wayland compositor.
# Provides GPU acceleration and pulseaudio sound. Circumvents common X security leaks.
# Restrictes docker container privileges with 'docker run --cap-drop=ALL --security-opt=no-new-privileges'
# Container user is same as host user to avoid root in container.
# Type 'x11docker --help' or scroll down to read usage information.
# https://github.com/mviereck/x11docker
Version="3.6.2.6"
changelog() {
# 07.10.2017 V3.6.2.6 bugfix: --xpra --desktop: use start-desktop instead of shadow
# 05.10.2017 V3.6.2.5 no_xhost() after cookie creation avoids xhost warning on Xwayland
# 04.10.2017 --output-count in --auto mode: choose --weston-xwayland
# 01.10.2017 --display: allow : before display number
# 30.09.2017 sh instead of bash to run x11docker_CMD
# 27.09.2017 V3.6.2.4 --starter: missing xdg-user-dir is no longer an error
# --silent: redirect stderr already while parsing
# --user=root: disable --cap-drop=ALL
# --help: update usage info
# weston.ini: background color and zoom-in effect
# 26.09.2017 bugfix --xonly: do not fail if docker daemon is not running
# 25.09.2017 use Kwin/Kwin-Xwayland as fallback for Weston/Weston-Xwayland
# catch closing xpra client in every case, not only in desktop mode
# 22.09.2017 parsing cli options: check for remaining arguments $# instead of empty $1
# 19.09.2017 V3.6.2.3 --xorg: only run setxkbmap in xinitrc if $Hostdisplay is set
# 18.09.2017 V3.6.2.2 --xpra --scale in desktop mode: regard different --dpi behaviour since xpra v2.2
# --help: update usage info
# 17.09.2017 setxkbmap for Xorg like for Xephyr, too
# weston.ini: added panel-position=none, different syntax for different weston versions (seen in Arch Linux).
# 16.09.2017 x11docker_CMD: replace shell with "exec $Imagecommand" (only if stdin is empty)
# 15.09.2017 V3.6.2.1 --home: avoid creating $Adduserhomefolder with wrong restrictions if $Hostuser is different from $Benutzer
# 14.09.2017 removed z flag in docker command, not needed with current SELinux solution
# --weston[-xwayland]: no output section on tty without --scale, --size or --rotate
# --weston[-xwayland]: allow --size on tty, though only "real" resolutions will take effect
# --xorg: --scale, --size: change primary monitor only, will do better on multi monitor setup
# bugfixes in part:check screensize
# 13.09.2017 bugfix: watch for closing xpra client in desktop mode to avoid invisible remaining x11docker
# bugfix: --xdummy --gpu now possible on tty, too
# bugfix: --xorg on tty: do not set screen size without --size.
# 10.10.2017 V3.6.2 new option --xfishtank; better SELinux support; --scale and --size for --xorg
# 15.08.2017 V3.6.1 new options --stdout and --stderr; support stdin
# 12.08.2017 V3.6 allow root to start x11docker, use $(logname) for X server and as container user
# 17.05.2017 V3.5 hardening container security (--cap-drop=ALL), improved user handling (--user)
:
}
todo() {
# check all FIXME
# --xpra-xwayland, xdummy-xwayland: use kwin-wayland as fallback for missing weston?
# xpra --desktop: client window has wrong size, communication issue with xpra server? better with scale not being integer
# fedora: SElinux issue: '--security-opt label=type:container_runtime_t': need more restrictive setting
# https://unix.stackexchange.com/questions/386767/selinux-and-docker-allow-access-to-x-unix-socket-in-tmp-x11-unix
# multimonitor support for --scale and --size
# check current multimonitor behaviour for weston on tty
# --xdummy --gpu on tty allows real resolutions only
# --xorg: check custom systemd start of X #7
# check X in container #7
# some tests with Xephyrglamor=no
### BUG collection: x11docker bugs:
# BUG check whether VT is not in use with --xorg/--xpra/--xdummy, bug if accidently using vt that is already in use
# BUG KDE-Wayland fails with different --user, seems to be ownership issues with wayland socket
### BUG collection: non x11docker bugs
# BUG kdeneon/all:user-lts plasmashell: no kwin?
# BUG Xwayland does not always sit at 0:0 on multiple outputs. bugreport: https://bugzilla.redhat.com/show_bug.cgi?id=1498665
# BUG nxagent with x11docker/lxde: segmentation fault of lxpanel with --userns-remap. bug in nxagent, lxpanel or x11docker?
# BUG --kwin*: wrong fullscreen and crashes in gnome-wayland, strange in weston, WAYLAND_DISPLAY="" does not help, probably bug in kwin
# BUG scale>1 Xwayland in Weston is too large (Xwayland bug), rendering issues on tty (switching scaled/unscaled Xwayland on keyboard/mouse events) bugreport: https://bugzilla.redhat.com/show_bug.cgi?id=1498669
# BUG x11docker-gui in weston freezes weston in combo boxes. Weston bug ? QT3/4 bug?
# BUG debian bug report lightdm/sddm contra gdm, dm can crash on tty switch if multiple graphical sessions are running
:
}
usage() { # --help: show usage information
echo "
x11docker: Run GUI applications and desktop environments in docker.
Focus on security:
* Avoids X security leaks using additional X servers.
* Container user is same as host user to avoid root in container.
* Default docker container capabilities are dropped.
Features:
* Hardware acceleration for OpenGL
* Pulseaudio sound
* Clipboard sharing
* Persistent home folders
* Wayland support
* No dependencies in docker images
Usage:
To run a docker image with new X server (auto-choosing X server):
x11docker [OPTIONS] IMAGE [COMMAND]
x11docker [OPTIONS] -- "'"[DOCKER_RUN_OPTIONS]"'" IMAGE [COMMAND [ARG1 ARG2 ...]]
To run a host application on a new X server:
x11docker [OPTIONS] --exe COMMAND
x11docker [OPTIONS] --exe -- COMMAND [ARG1 ARG2 ...]
To run only a new empty X server:
x11docker [OPTIONS]
Dependencies on host:
Depending on chosen options, x11docker needs some packages to be installed.
It will check for them on startup and show messages if some are missing.
List of possible needed packages:
* most recommended to allow security and convenience:
xpra Xephyr xauth xrandr
* advanced GPU support:
weston Xwayland xdotool
* less important:
xclip pulseaudio kwin_wayland nxagent xdpyinfo Xvfb
* least important:
xserver-xorg-legacy xserver-xorg-video-dummy xfishtank
xdg-user-dir xdg-icon-resource unzip
Dependencies in image:
Doesn't have dependencies inside of docker images, except for special
options --gpu, --pulseaudio and --dbus, see below at option descriptions.
Options:
--help display this message and exit
-e, --exe execute host application on new X server (no docker)
--xonly only create empty X server (default if no image name)
Container desktop environment, host window manager:
-d, --desktop Indicate desktop environment in image.
-w, --wm COMMAND Host window manager to use.
Usefull f.e to run single applications in Xephyr.
If COMMAND is 'auto' or 'm', autodetect a host wm.
Shared folders, GPU, clipboard and sound options:
-m, --home Share a host folder ~/x11docker/imagename as home folder
in container (to store persistent data).
--homedir DIR Specify custom host folder DIR for option --home.
--sharedir DIR Share host folder (or file) DIR with r/w access.
(can be specified multiple times for multiple folders).
-c, --clipboard Share clipboard between X servers (works best with xpra.
Most other X servers need xclip to be installed).
-p, --pulseaudio Sound with pulseaudio over tcp. Needs
'pulseaudio' to be installed on host and in image.
-g, --gpu Hardware accelerated OpenGL rendering. Shares files in
/dev/dri. Needs MESA/OpenGL to be installed in image.
Degrades container isolation. Container access to GPU.
X server options:
--auto Auto choose X server for docker applications (default).
(Regards options --desktop, --gpu and --wm).
-a, --xpra Use xpra to show application windows on host display.
(Needs 'xpra' to be installed. On Ubuntu 16.04 also
'Xvfb'. With option --desktop it runs in desktop mode.)
-y, --xephyr Use Xephyr to show desktops in a window on host display.
(Needs 'Xephyr' to be installed)
-A, --xpra-xwayland Like --xpra, but supports option --gpu.
(Needs 'xpra', 'Xwayland', 'weston' and 'xdotool').
-Y, --weston-xwayland Like --xephyr, but supports option --gpu.
Runs as nested server in X or on its own from console.
(Needs 'weston' and 'Xwayland' to be installed.)
-h, --hostdisplay Share host display :0, QUITE BAD CONTAINER ISOLATION!
Least overhead of all X server options.
-x, --xorg Use new core Xorg server. Runs ootb from console.
Switch tty with <CTRL><ALT><F1>....<F12>.
To run from within X, edit '/etc/X11/Xwrapper.conf' and
replace line: allowed_users=console
with lines allowed_users=anybody
needs_root_rights=yes
Ubuntu 16.04 and debian 9: Install xserver-xorg-legacy.
Special X servers:
-n, --nxagent Like --xpra for single applications, but faster startup.
With --desktop like --xephyr, but resizeable.
(Needs 'nxagent' to be installed). (Experimental).
-N, --kwin-native Seamless X and Wayland together. (Experimental).
--kwin-xwayland Like --weston-xwayland, but using kwin_wayland
-X, --xwayland Use Xwayland, needs a running Wayland compositor.
(Needs 'Xwayland' to be installed.)
--xdummy Invisible X server. (Needs 'xserver-xorg-video-dummy')
--xvfb Invisible X server. (Needs 'Xvfb')
--xdummy and --xvfb can be used for custom access,
for example with VNC or ssh.
Output of environment variables on stdout.
Along with option --gpu, an invisible setup with Weston,
Xwayland and xdotool is used (instead of Xdummy or Xvfb)
--nothing Do not provide any X or wayland server.
Wayland without X:
-W, --weston Weston without X for pure Wayland applications.
Runs in X or from console. (Needs package weston.)
-H, --hostwayland Share host Wayland without X for pure Wayland apps.
(Needs already running Wayland compositor.)
(Can be combined with --hostdisplay.)
-K, --kwin KWin without X for pure Wayland applications.
Runs from X or from console. (Needs kwin_wayland.)
Screensize and appearance options:
-f, --fullscreen Run Xephyr, nxagent or Weston in fullscreen mode.
--size XxY Screen size of new X server (f.e. 800x600).
-l, --scale N Scale/zoom factor N for xpra, Xorg or Weston.
Allowed for --xpra, --xorg --xpra-xwayland: 0.25...8.0.
Allowed for --weston and --weston-xwayland: 1...9.
(Mismatching font sizes can be adjusted with --dpi).
--rotate N Rotate display (--xorg, --weston and --weston-xwayland)
Allowed values: 0, 90, 180, 270, flipped, flipped-90,
flipped-180, flipped-270. (flipped = mirrored)
--dpi N dpi value (dots per inch) to submit to clients.
Influences font size of some applications.
--output-count N Multiple outputs for Weston, KWin or Xephyr.
--xfishtank Show fish tank on new X server (needs 'xfishtank').
Advanced options:
-v, --verbose Be verbose. (Shows logfiles).
--silent Do not show any terminal messages.
--stdout Show stdout of container applications.
--stderr Show stderr of container applications.
-E, --waylandenv Set some environment variables summoning some toolkits
to use Wayland. (GTK3 QT5 Clutter SDL Elementary Evas)
-b, --dbus Start image command with dbus-launch.
(often needed for QT5 applications running on Wayland).
(Needs 'dbus-launch' to be installed in image)
--no-entrypoint Disable ENTRYPOINT in image to allow other commands, too
--pw FRONTEND Choose frontend for password prompt. Possible FRONTEND:
su sudo gksu gksudo lxsu lxsudo kdesu kdesudo
pkexec beesu none
Developer options:
--user N Create container user N (N=name or N=uid). Default:
same as host user. N can also be an unknown user id.
You can specify a group id with N being 'user:gid'.
--sudouser sudo without password for container user.
Severe reduction of default x11docker security!
--hostuser USER Run X (and container user) as user USER. Default is
result of \$(logname). (x11docker must run as root).
--env VAR=value Set custom environment variable VAR=value
--showenv echo new \$DISPLAY, \$XAUTHORITY and \$WAYLAND_DISPLAY.
-S, --sharewayland Share Wayland socket and set WAYLAND_DISPLAY.
--westonini FILE Custom weston.ini for --weston and --weston-xwayland.
--cachedir DIR Custom cache folder. (Default: \$HOME/.cache/x11docker)
--xhost STR Set \"xhost STR\" on new X server (see 'man xhost').
(Use with care. '--xhost +' allows access for everyone).
-o, --no-xhost Disable any access to host X server granted by xhost
--no-auth Disable cookie authentication on new X server.
--trusted Use trusted cookies for --hostdisplay and --kwin-native
--untrusted Create untrusted cookies. Restricts X access.
Default for --hostdisplay and --kwin-native to avoid
MIT-SHM errors. Avoids keylogging with --hostdisplay.
If --gpu is set, --trusted is used.
--vt N Use vt / tty N (affects --xorg, --xdummy, --xpra)
--display N Use display number N
--ps Preserve container and cache files on exit.
--ipc Set docker run option --ipc=host, BREAKS ISOLATION.
Shares host interprocess communication and
shared memory. Allows MIT-SHM extension.
--net Set docker run option --net=host, BREAKS ISOLATION.
Shares host network stack including dbus communication.
--cap-default Allow default docker container capabilities.
Disables container security hardening normally done with
'--cap-drop=ALL --security-opt=no-new-privileges'
(default for --user=root and --sudouser).
--rw Allow read/write access to container root filesystem
(default for --user=root and --sudouser).
Options not starting docker or X server:
--license Show license of x11docker (MIT) and exit.
--starter Create starter on desktop and exit.
--orphaned Clean up orphaned containers and cache files.
Installation options (needs root permissions):
--install Install x11docker and x11docker-gui on your system.
--update Update x11docker with latest version from github.
--remove Remove x11docker from your system.
x11docker version: $Version
Please report issues at https://github.com/mviereck/x11docker
"
}
license() { # --license: show license (MIT)
echo 'MIT License
Copyright (c) 2015, 2016, 2017 Martin Viereck
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.'
}
error() { # show error messages on stderr and exit
Message="$*
Type 'x11docker --help' for usage information
For debugging, run x11docker in terminal and/or enable option '--verbose'
and look afterwards at logfile $Logfile3
If you think this is a bug in x11docker,
please report at https://github.com/mviereck/x11docker"
echo "
$(tput setaf 1)x11docker ERROR$(tput sgr0) $Message
" >&3
[ -n "$Hostxenv" ] && [ "$Xserver" != "Xorg" ] && local $Hostxenv
[ ! -s "$Timetosaygoodbye" ] && [ "$Silent" != "yes" ] && [ -n "$DISPLAY" ] && {
command -v xmessage >/dev/null && {
echo "x11docker ERROR: $Message" | xmessage -file - -default okay
:
} || {
command -v zenity >/dev/null && {
zenity --error --no-markup --ellipsize --text="x11docker ERROR: $Message"
:
}
} || notify-send "x11docker ERROR: $Message" 2>/dev/null
}
[ -e "$Logfile" ] && echo "x11docker ERROR: $Message
" >> "$Logfile"
[ -d "$Sharefolder" ] && $Mksu "touch $Timetosaygoodbye"
touch $Errorfile
exit 1 # trap to finish()
}
warning() { # show warning messages
echo "$(tput setaf 3)x11docker WARNING:$(tput sgr0) $*" >&3
echo "" >&3
[ -e "$Logfile" ] && echo "x11docker WARNING: $*
" >> "$Logfile"
return 0
}
note() { # show notice messages
echo "$(tput setaf 6)x11docker NOTE:$(tput sgr0) $*" >&3
echo "" >&3
[ -e "$Logfile" ] && echo "x11docker NOTE: $*
" >> "$Logfile"
return 0
}
verbose() { # show verbose messages
# only logfile notes here, terminal output is done with tail in part:verbose
[ -e "$Logfile" ] && echo "x11docker: $*
" >> "$Logfile"
return 0
}
installer() { # --install, --update, --remove: Installer for x11docker
# --install:
# - copies x11docker and x11docker-gui to /usr/bin
# - installs icon in /usr/share/icons
# - creates x11docker.desktop file in /usr/share/applications
# --update:
# - download and install latest version from github
# --remove
# - remove installed files
export PATH="$PATH:/usr/local/bin" # avoid bug on opensuse where root does not have this in $PATH. Will become obsolete as new default is /usr/bin
# Prepairing
case ${1:-} in
--install)
command -v x11docker > /dev/null && { error "x11docker seems to be installed already.
Try 'x11docker --update' instead." ; }
[ -f "./x11docker" ] || { error "File x11docker not found in current folder.
Try 'x11docker --update' instead." ; }
command -v kaptain > /dev/null || { warning "x11docker-gui needs package kaptain
to provide a GUI, but could not find kaptain on your system.
Please install package kaptain if you want to use x11docker-gui.
x11docker-gui tries to use image x11docker/kaptain if kaptain missig.
x11docker itself does not need it and works fine from cli.
Get kaptain on github: https://github.com/mviereck/kaptain" ; }
;;
--update)
mkdir -p /tmp/x11docker-install && cd /tmp/x11docker-install || error "Could not create or cd to /tmp/x11docker-install"
echo "Downloading latest x11docker version from github"
wget https://github.com/mviereck/x11docker/archive/master.zip || error "Could not download x11docker-master from github"
echo "Unpacking archive"
command -v unzip >/dev/null || error "Can not unpack archive. Please install 'unzip'."
unzip master.zip || error "Could not unzip archive"
echo ""
cd /tmp/x11docker-install/x11docker-master || error "could not cd to /tmp/x11docker-install/x11docker-master"
;;
esac
# Doing
case ${1:-} in
--install|--update)
[ -x /usr/local/bin/x11docker ] && rm -v /usr/local/bin/x11docker
[ -x /usr/local/bin/x11docker-gui ] && rm -v /usr/local/bin/x11docker-gui
echo "Installing x11docker and x11docker-gui in /usr/bin"
cp x11docker /usr/bin/ || error "Could not copy x11docker to /usr/bin"
chmod 755 /usr/bin/x11docker || error "Could not set executeable bit on x11docker"
cp x11docker-gui /usr/bin/ && chmod 755 /usr/bin/x11docker-gui || warning "x11docker-gui not found"
echo "Creating icon and application entry for x11docker"
X11dockericonfile=$(x11docker-gui --icon)
[ -e "$X11dockericonfile" ] && {
xdg-icon-resource install --context apps --novendor --size 72 "$X11dockericonfile" x11docker
rm $X11dockericonfile
} || note "Could not create icon for x11docker"
[ -e "/usr/bin/x11docker-gui" ] && {
echo "[Desktop Entry]
Version=1.0
Type=Application
Name=x11docker
Comment=Run GUI applications in docker images
Exec=x11docker-gui
Icon=x11docker
Categories=System
" > /usr/share/applications/x11docker.desktop
} || note "Did not create desktop entry for x11docker-gui"
echo "Storing README.md and LICENSE.txt in /usr/share/doc/x11docker"
mkdir -p /usr/share/doc/x11docker && {
cp README.md /usr/share/doc/x11docker/
cp LICENSE.txt /usr/share/doc/x11docker/
} || note "Error while creating /usr/share/doc/x11docker"
echo "Installation ready: x11docker version $(x11docker --version)"
;;
--remove)
echo "removing x11docker from your system"
[ -x /usr/local/bin/x11docker ] && { # from older installations. /usr/bin is default now as /usr/local/bin can miss in $PATH for root
/usr/local/bin/x11docker --orphaned
rm -v /usr/local/bin/x11docker
rm -v /usr/local/bin/x11docker-gui
}
[ -x /usr/bin/x11docker ] && {
/usr/bin/x11docker --orphaned
rm -v /usr/bin/x11docker
rm -v /usr/bin/x11docker-gui
}
[ -e "/usr/share/applications/x11docker.desktop" ] && rm -v /usr/share/applications/x11docker.desktop
[ -e "/usr/share/doc/x11docker" ] && rm -R -v /usr/share/doc/x11docker
xdg-icon-resource uninstall --size 72 x11docker
note "Will not remove files in your home folder.
There may be files left in \$HOME/.local/share/x11docker
The symbolic link \$HOME/x11docker may exist, too.
The cache folder \$HOME/.cache/x11docker should be removed already."
;;
esac
# Cleanup
case ${1:-} in
--update)
echo "Removing downloaded files"
cd ~
rm -R /tmp/x11docker-install
;;
esac
echo "Ready."
}
checkorphaned() { # --orphaned : check for non-removed containers and left cache files
note "x11docker will check for orphaned containers from earlier sessions.
This can happen if docker was not closed successfully.
x11docker will look for those containers and will clean up x11docker cache.
Caution: any currently running x11docker sessions will be terminated, too."
Orphanedcontainers=""
Orphanedfolders=""
cd $Cacherootfolder || error "Could not cd to cache folder '$Cacherootfolder'."
[ $? ] && [ -n "$(echo "$Cacherootfolder" | grep .cache/x11docker)" ] && Orphanedfolders=$(echo $(find "$Cacherootfolder" -mindepth 1 -maxdepth 1 -type d | sed s%$Cacherootfolder/%%))
Orphanedcontainers="$(docker ps -a --filter name=x11docker_X --format "{{.Names}}")"
Orphanedcontainers="$(env IFS='' echo $Orphanedcontainers)"
if [ -z "$Orphanedcontainers" ] && [ -z "$Orphanedfolders" ] ; then
note "No orphaned containers or cache files found. good luck!"
else
note "Found orphaned containers:
$Orphanedcontainers"
note "Found orphaned folders in $Cacherootfolder:
$Orphanedfolders"
for Line in $Orphanedfolders ; do
[ -d "$Cacherootfolder/$Line/share" ] && [ ! -e "$Cacherootfolder/$Line/share/timetosaygoodbye" ] && {
note "Found possibly active container $Line.
Will summon it to terminate itself."
touch "$Cacherootfolder/$Line/share/timetosaygoodbye" # terminating possibly running x11docker sessions
sleep 2
}
done
[ -n "$Orphanedcontainers" ] && {
note "docker rm -f $Orphanedcontainers"
note "$(bash -c "docker rm -f $Orphanedcontainers" 2>&1)"
}
[ -n "$Orphanedfolders" ] && {
note "rm -R -f -v $Orphanedfolders"
note "$(rm -R -f -v $Orphanedfolders 2>&1)"
}
fi
note "Ready."
}
storepid () { # store pids and names of background processes in file $Bgpidfile
# store Pid and process name of background processes in file
# $1 should be Pid, $2 should be name of process
# for use on exit / with trap to clean up with background processes
# this subroutine has a twin in xinitrc
echo ${1:-} ${2:-} >> $Bgpidfile
verbose "stored background pid ${1:-} of ${2:-}"
}
finish() { # trap routine, clean up background processes and cache
trap - EXIT
verbose "terminating x11docker ..."
[ -e "$Sharefolder" ] && $Mksu "touch $Timetosaygoodbye"
[ -s "$Bgpidfile" ] && {
# check for possible remaining background processes stored in $Bgpidfile
while read -r Line ; do
Pid=$(echo $Line | awk '{print $1}')
Name=$(echo $Line | awk '{print $2}')
if [ -n "$Pid" ] && [ -n "$(ps -p $Pid --no-headers)" ] ; then ### FIXME check with name was cleaner
verbose "terminating background pid $Pid of $Name"
case $Name in
weston|kwin_wayland|compositor|xpra|windowmanager|shareclipboard|hostexe|xfishtank) kill -s KILL $Pid || {
sleep 1
[ -n "$(ps -p $Pid --no-headers)" ] && warning "error terminating $Pid $Name"
}
;;
docker)
[ -n "$Sudo" ] && Sudo="sudo -n" # no password prompt here, rather fail
$Sudo docker stop $Containername >/dev/null 2>&1 || {
! $Sudo docker images >/dev/null 2>&1 || { [ -n "$($Sudo docker ps --filter name=$Containername --quiet 2>&1)" ] || [ -n "$(ps -p $Pid | grep docker)" ] ; } && {
note "Found remaining docker process. Most probably the X session
was not closed in a clean way. Can not stop container because x11docker
does not run as root. Will wait up to 10 seconds for docker to finish."
Zeit=$(date +%s)
while [ -n "$(ps -p $Pid | grep docker)" ] ; do
note "waiting for docker to terminate ..."
sleep 1
[ 10 -lt $(echo "$(date +%s) - $Zeit" | bc) ] && break ||:
done
if [ -n "$(ps -p $Pid | grep docker)" ] ; then
note "docker didn't terminate as it should.
Will not clean cache to avoid file permission problems.
You can remove the new container with command:
docker rm -f $Containername
Afterwards, remove cache files with:
rm -R $Cachefolder
or let x11docker do the cleanup work for you:
x11docker --orphaned"
Preservecachefiles="yes"
else
note "docker container terminated successfully"
fi
}
}
;;
*) note "Found remaining background process.
Will send signal KILL to process tree of $Line
$(ps -p $Pid --no-headers)"
pkill -KILL -P $Pid || warning "error terminating $Pid $Name"
;;
esac
fi
done < <(tac $Bgpidfile)
}
# option --pulseaudio: unload tcp module
[ -s "$Pulseaudiomoduleid" ] && pactl unload-module $(cat "$Pulseaudiomoduleid")
sleep 1.5 # a bit time for all processes to look for $Timetosaygoodbye (most look once in a second)
[ -n "$Logfile2$Logfile3" ] && $Mksu "cp '$Logfile2' '$Logfile3'"
rm "$Logfile"
case $Xserver in # clean up behind xpra
Xpra|Xpra-Xwayland) [ -e "$Hostuserhome/.:$Newdisplaynumber-fakexinerama" ] && rm "$Hostuserhome/.:$Newdisplaynumber-fakexinerama" ;;
esac
[ "$Preservecontainer" = "yes" ] && Preservecachefiles="yes"
[ "$Preservecachefiles" = "no" ] && echo "$Cachefolder" | grep -q .cache && echo "$Cachefolder" | grep -q x11docker && [ "x11docker" != "$(basename "$Cachefolder")" ] && rm -f -R "$Cachefolder"
if [ -e "$Errorfile" ]; then rm "$Errorfile" ; exit 1; else exit 0; fi
}
verlte() { # version number checker $1 less than or equal $2
[ "${1:-}" = "$(echo -e "${1:-}\n${2:-}" | sort -V | head -n1)" ] && return 0 || return 1
}
verlt() { # version number checker $1 less than $2
[ "${1:-}" = "${2:-}" ] && return 1 || { verlte "${1:-}" "${2:-}" && return 0 || return 1 ; }
}
isnum() { # check if $1 is a number
[ "1" = "$(awk -v a="${1:-}" 'BEGIN {print (a == a + 0)}')" ]
}
writeaccess() { # check if useruid $1 has write access to folder $2
if read -a dirVals < <(stat -Lc "%U %G %A" "${2:-}") && (
( [ "$(id -u $dirVals)" == "${1:-}" ] && [ "${dirVals[2]:2:1}" == "w" ] ) ||
( [ "${dirVals[2]:8:1}" == "w" ] ) ||
( [ "${dirVals[2]:5:1}" == "w" ] && (
gMember=($(groups ${1:-} 2>/dev/null)) &&
[[ "${gMember[*]:2}" =~ ^(.* |)${dirVals[1]}( .*|)$ ]]
) ) )
then
return 0
else
[ "w" = "$(getfacl -pn "${2:-}" | grep user:${1:-}: | rev | cut -c2)" ] && return 0 || return 1 # FIXME: should check write access for gid, if uid access fails.
fi
}
waitforfilecreation() { # similar to inotify-wait: wait up to 15s for file $1 to be created
# $1 file to wait for
Zeit=$(date +%s)
while [ ! "$(find "${1:-}" 2>/dev/null)" ] ; do
sleep 0.2
[ 15 -lt $(expr $(date +%s) - $Zeit) ] && return 1
[ -e "$Timetosaygoodbye" ] && return 1
done
return 0
}
waitforfilecontent() { # wait for file $1 to be not empty
# $1 file to look at
Zeit=$(date +%s)
while [ ! -s "${1:-}" ] ; do
sleep 0.1
[ 15 -lt $(expr $(date +%s) - $Zeit) ] && return 1
[ -e "$Timetosaygoodbye" ] && return 1
done
return 0
}
waitforlogentry() { # wait for entry $3 in logfile $2 of application $1
# $1 is the application we are waiting for to be ready
# $2 points to logfile
# $3 keyword to wait for
Zeit=$(date +%s)
while [ -z "$(cat "${2:-}" | grep "${3:-}")" ] ; do
verbose "waiting since $(expr $(date +%s) - $Zeit)s for ${1:-} to be ready..."
sleep 1
[ 15 -lt $(expr $(date +%s) - $Zeit) ] && return 1
[ -e "$Timetosaygoodbye" ] && return 1
done
return 0
}
no_xhost() { # remove any access to X server granted by xhost
xhost
xhost | tail -n +2 /dev/stdin | while read -r Line ; do # read all but the first line (header)
xhost -$Line # disable every entry
done
xhost - # enable access control
[ "$(xhost | wc -l)" = "1" ] || {
warning "Remaining xhost permissions found on display $DISPLAY
$(xhost)"
return 1
}
return 0
}
mkfile() { # create file $1 owned by $Hostuser
:> "${1:-}"
chown $Hostuser "${1:-}"
chgrp $Hostusergid "${1:-}"
}
{ #### part: variables: default settings
trap finish EXIT
export IFS=$' \n\t' # set IFS to default
exec 3>&2 # second stderr channel
exec 4>&2 # stderr channel for --stderr
#[ -n "$(tty | grep tty)" ] && Tty="yes" || Tty="no" # check if running on X or on tty
tty | grep -q tty && Tty="yes" || Tty="no" # check if running on X or on tty
export PATH="$PATH:/usr/games:/usr/local/bin" # may miss for root, but can be needed for --exe and --xfishtank
# Logfiles
Mycookie=$(mcookie | cut -b1-6)
export Logfile=/tmp/x11docker.$Mycookie.log # collection of all Logfiles. Stored in /tmp because cache is not ready yet
touch $Logfile && chmod 666 $Logfile
Logfile2= # live copy of $Logfile in $Sharefolder
Logfile3= # afterward copy of $Logfile in $Cacherootfolder
Errorfile=/tmp/x11docker.error.$Mycookie # error indicating file created by error()
Bgpidfile=backgroundpids # file to store pids and names of background processes that shut be killed on exit
Timetosaygoodbye=timetosaygoodbye # file giving term signal to all parties
# Users
Lognameuser="" # $(logname) or $SUDO_USER or $PKEXEC_USER
Hostuser="" # $Lognameuser or --hostuser. Unprivileged user for non-root commands
Hostuseruid=""
Hostusergid=""
Hostuserhome=""
Benutzer="" # option --user: container user. Default: same as $Hostuser.
Benutzeruid=""
Benutzergid=""
Benutzerhome=""
Benutzerpasswdentry=""
# Gaining root privileges to run docker
Passwordprompt="" # way to ask for password. one of pkexec, su, sudo, gksu, gksudo, auto
Getroot="" # prefix for commands needing root (only dockerrc script)
Pkexec="" # "pkexec" or empty
Sudo="" # "sudo" or empty
# Cache folders
Cacherootfolder="" # cache folder to store temporary files
Cachefolder=""
Sharefolder=share # subfolder for shared files
Cshare=/tmp/x11docker # mountpoint of $Sharefolder in container
# Parsed arguments
X11dockermode="run" # can be either "xonly", "run" or "exe", depends on options. while parsing, xonly changes to run or exe
X11dockerargs="$*" # arguments for x11docker
Imagename="" # name of image to run
Imagecommand="" # image command [+args]
Hostexe="" # can contain host executable
Dockeroptions="" # options for docker after -- and before image name
# docker variables
Containername="" # name of container set by x11docker to make --orphaned able to find orphaned containers
Dockerip="" # IP adress of docker interface
Dockeriprange="" # IP adress of docker interface including suffix /16
Dockerpid="" # process ID of docker container
Dockerdaemon="$(pgrep -xa $(ps -e -o comm | grep dockerd) 2>/dev/null)" # how docker daemon has been started
# docker related files
Dockerrc=dockerrc # init script run by docker. Creates $Imagecommandscript
Imagecommandscript=x11docker_CMD # name of shared script containing imagecommand
Createsudouser=createsudouser # script to create sudo user (option --sudouser)
Dockerlogfile=docker.log # file to log output of docker
Dockerpidfile=docker.pid # file to store process ID of docker
Containerip=container.ip # IP adress of container
Etcpasswd=passwd # created /etc/passwd for container
# X server config files, log files and such stuff
Xinitrc=xinitrc # file to store xinitrc commands
Xinitlogfile=xinit.log # file to log output of X server
Xtermrc=xtermrc # file to store xtermrc commands
Xtermlogfile=xterm.log # file to log output of xterm
Compositorlogfile=compositor.log # file to log output of Weston or KWin
Compositorpidfile=compositor.pid # process id of compositor
Xpraserverlogfile=xpraserver.log # logfile for xpra server
Xpraclientlogfile=xpraclient.log # logfile for xpra server
Westonini=weston.ini # config file for weston
Customwestonini="" # custom config file for weston
Xdummyconf=xdummy.xorg.conf # xorg.conf for dummy video driver
Xdummywrapper=Xdummywrapper # fork from xpra to wrap Xorg for Xdummy
Xservercookie=Xservercookie # file to store new X server cookies
Xclientcookie=Xclientcookie # file to store new X client cookies
# stdin stdout stderr
Cmdstdinfile=stdin # stdin for image command piped to x11docker
Cmdstdoutlogfile=stdout # stdout for image command
Cmdstderrlogfile=stderr # stderr for image command
# host environment
Hostdisplay="$DISPLAY" # store environment variable containing name of current display
Hostdisplaynumber="$(echo $Hostdisplay | cut -d: -f2 | cut -d. -f1)" # display number without ":" and ".0"
Hostxauthority="Xauthority-$Hostdisplaynumber" # file to store copy of $XAUTHORITY
[ -n "$Hostdisplay" ] && Hostxsocket="/tmp/.X11-unix/X$Hostdisplaynumber" || Hostxsocket="" # X socket from host, needed for --hostdisplay
# X server settings
Xserver="" # X server to use
Xcommand="" # command to start X server
Newdisplay="" # new display for new X server
Newdisplaynumber="" # Like Newdisplay, but without ':'
Newxsocket="" # New X socket
Newxenv="" # environment variables for new X server DISPLAY XAUTHORITY XSOCKET WAYLAND_DISPLAY
Newxvt="" # Virtual console to use for core new X server (>7)
#Newxlock="" # .Xn-lock - exists for running X server with socket n
Xserveroptions="" # options for new X server
Xpraoptions="" # options for xpra server and client
Xprashm="" # content XPRA_XSHM=0 disables usage of MIT-SHM in xpra
Xpraversion="" # $(xpra --version)
Nxagentoptions="" # options for nxagent
Xephyroptions="" # options for Xephyr
Xephyrglamor="yes" # former option '--glamor': enable Xephyr glamor 2D acceleration (deprecated, now always yes)
Xfishtank="no" # --fish: xfishtank on new X server
# Main X server options
Autochooseserver="yes" # option '--auto': automated choosing server
Desktopmode="" # option --desktop: image contains a desktop enironment.
Windowmanager="" # option '-w, --wm': window manager to use. if not given but needed, autodetection is used
Gpu="no" # option '--gpu': Use hardware accelerated OpenGL, share files in /dev/dri
# Screensize and related X server adjustments
Screensize="" # option --size XxY
Xaxis="" # virtual screen width
Yaxis="" # virtual screen height
Modeline="" # screen modeline, see "man cvt"
Fullscreen="no" # option '-f, --fullscreen': use fullscreen mode (Xephyr only)
Scaling="0" # option --scale: Scaling factor for xpra and weston
Rotation="" # option --rotate: Rotation for --weston and --weston-xwayland 0/90/180/270/flipped/flipped-90/..
Dpi="" # option --dpi: dots per inch to tell the clients.
Outputcount="1" # option --output-count, quantum of virtual screens for Weston and Xephyr
# Wayland and Weston
Hostwayland="$WAYLAND_DISPLAY" # store host wayland display
Compositorcommand="" # command to start Weston or KWin
Waylandsocket="" # Wayland socket for Xwayland in weston
Waylandtoolkitenv=("XDG_SESSION_TYPE=wayland GDK_BACKEND=wayland QT_QPA_PLATFORM=wayland-egl CLUTTER_BACKEND=wayland SDL_VIDEODRIVER=wayland ELM_DISPLAY=wl ELM_ACCEL=opengl ECORE_EVAS_ENGINE=wayland_egl")
Compositorpid="" # pid of weston or kwin
Westonoutput="" # Xn, WLn or monitor identifier
Sharewayland="no" # option --sharewayland: Share wayland socket and WAYLAND_DISPLAY
Setwaylandenv="no" # option --setwaylandenv: Set environment variables $Waylandtoolkitenv
Dbuslaunch="no" # option '--dbus': run image command with dbus-launch
# Available terminal emulators
Passwordterminal="" # terminal emulator to use for password prompt (if no terminal emulator is needed, it will be 'bash -c')
Pullterminal="" # terminal emulator to show progress of 'docker pull'
Terminallist="" # list of possible terminal emulators. Only a few work on wayland
# regular options
Adduserhome="no" # option '-m, --home' (or '--homedir'): share a folder ~/.local/share/x11docker/Imagename with created container
Adduserhomefolder="" # " " : path to shared folder.
Sharevolumes="" # option --volume: host folders to share
Shareclipboard="no" # option '-c, --clipboard' enable clipboard sharing
Shareclipboardscript=clipboard.bash # " " script used for text clipboard sharing
Showdisplayenvironment="no" # option -E, --env: Show environment variables of new display
Customenvironment="" # option '--env': set custom environment variables
Pulseaudio="no" # " use pulseaudio yes/no
Pulseaudiotcpport="" # option '--pulseaudio': pulseaudio tcp port to use
Pulseaudiomoduleid="pulseaudio.module.id" # " file with number of customized pulseaudio tcp module, output of pactl
Noentrypoint="no" # option --no-entrypoint: disable entrypoint in image
# verbosity options
Verbose="no" # option '-v, --verbose': if "yes", be verbose
Showstdout="no" # option --stdout: show image command stdout
Showstderr="no" # option --stderr: show image command stderr
Silent="no" # option --silent: do not show messages
# developer options
Sudouser="no" # option --sudouser: Create user with sudo permissions without a password
Capdropall="yes" # option --cap-default: (don't) drop all container capabilities
Readwrite="no" # option --rw: allow read/write access to container root file system
Shareipc="no" # option --ipc, set --ipc=host.
Sharenet="no" # option --net, set --ipc=net
Preservecachefiles="no" # if yes, dont delete cache files
Preservecontainer="no" # option '-p, --ps': if yes, preserve container instead of removing it with 'docker run --rm'
# X authentication
Xauthentication="yes" # option '--no-auth' use cookie authentication yes/no
Trusted="yes" # create trusted or untrusted cookies, see --trusted and --untrusted. Important for --hostdisplay and --kwin-native
Forcetrusted="no" # option --trusted: enforce trusted cookies for --hostdisplay and --kwin-native
Noxhost="no" # option '--no-xhost': if yes, disable all X server access granted by xhost
Xhost="" # option '--xhost': xhost + on new X server
# special options not starting X or docker
Checkorphaned="no" # option '--orphaned': check for non-removed containers and maybe root-owned files in cache
Createdesktopstarter="no" # option '--starter': create desktop starter and exit yes/no
Desktopfolder="" # " : Desktop folder of host user (xdg-user-dirs)
Installermode="" # options --install/--update/--remove
# some temporary or loop variables
Pid=""
Name=""
Zeit=""
Line=""
Count=""
# these window managers are known to work well with x11docker (alphabetical order)(excluding $Wm_not_recommended and $Wm_ugly):
Wm_good="amiwm blackbox cinnamon compiz ctwm enlightenment fluxbox flwm fvwm"
Wm_good="$Wm_good jwm kwin lxsession mate-session mate-wm marco metacity notion olwm olvwm openbox ororobus pekwm"
Wm_good="$Wm_good sawfish twm wmaker w9wm xfwm4"
# these wm's are recommended and lightweight, but cannot show desktop options. best first:
Wm_recommended_nodesktop_light="sawfish xfwm4 metacity marco mate-wm "
# these wm's are recommended and heavy, but cannot show desktop options (especially exiting themselves). best first:
Wm_recommended_nodesktop_heavy="kwin compiz"
# these wm's are recommended, lightweight AND desktop independent. best first:
Wm_recommended_desktop_light="flwm blackbox fluxbox jwm mwm wmaker afterstep amiwm fvwm ctwm pekwm olwm olvwm openbox"
# these wm's are recommended, heavy AND desktop independent. best first:
Wm_recommended_desktop_heavy="lxsession mate-session enlightenment cinnamon"
# these wm's are not really useful (please don't hit me) (best first):
Wm_not_recommended="awesome mutter muffin gnome-shell evilwm herbstluftwm i3 lwm matchbox miwm spectrwm subtle windowlab wmii wm2"
# these wm's cannot be autodetected by wmctrl if they are already running
Wm_nodetect="aewm aewm++ afterstep awesome ctwm mwm miwm olwm olvwm sapphire windowlab wm2 w9wm"
# these wm's can cause problems (they can be beautiful, though):
Wm_ugly="icewm sapphire aewm aewm++"
# these wm's doesn't work:
Wm_bad="clfswm tinywm tritium"
# List of all working window managers, recommended first: (excluding $Wm_bad)
Wm_all="$Wm_recommended_nodesktop_light $Wm_recommended_nodesktop_heavy $Wm_recommended_desktop_light $Wm_recommended_desktop_heavy $Wm_good $Wm_ugly $Wm_not_recommended $Wm_nodetect"
}
{ #### part: parsing cli options
Shortoptions="aAbcdeEfgGhHKml:MnNopPrsSutvw:WxXyY"
Longoptions="auto,x,X,xpra,xephyr,x11,xorg,hostdisplay,xwayland,weston-xwayland,xpra-xwayland,nxagent" # X servers
Longoptions="$Longoptions,weston,hostwayland,kwin,kwin-xwayland,kwin-native,xdummy,xvfb,nothing" # more X/Wayland servers
Longoptions="$Longoptions,wm:,desktop,exe,xonly"
Longoptions="$Longoptions,fullscreen,size:,glamor,scale:,rotate:,dpi:,output-count:,gpu" # screen options
Longoptions="$Longoptions,user:,home,clipboard,pulseaudio,xfishtank" # comfort options
Longoptions="$Longoptions,verbose,no-xhost,trusted,untrusted,dbus,waylandenv,pw:" # advanced options
Longoptions="$Longoptions,starter,orphaned,license,licence,help,version,install,update,remove" # special options without starting X server
Longoptions="$Longoptions,xhost:,no-auth,vt:,display:,env:,showenv,sharewayland,stdout,stderr,silent" # developer options
Longoptions="$Longoptions,ipc,net,ps,cache,cap-default,no-entrypoint,sudouser,hostuser:,rw" # developer options
Longoptions="$Longoptions,cachedir:,homedir:,westonini:,sharedir:" # developer options
Longoptions="$Longoptions,xsocket,tcp,tcpxsocket,virtualgl,glamor,volume:,xhost+,resizeable" # deprecated
Longoptions="$Longoptions,xpra-image,xpra-attach,xorg-image,xdummy-image,nopwd,no-password,root,sudo" # deprecated
Parsedoptions="$(getopt --options $Shortoptions --longoptions $Longoptions --name "$0" -- "$@" 2>/tmp/x11docker_parsererror)"
[ -e /tmp/x11docker_parsererror ] && Parsererror=$(cat /tmp/x11docker_parsererror) && rm /tmp/x11docker_parsererror
[ -n "$Parsererror" ] && error "$Parsererror"
eval set -- $Parsedoptions
[ "$*" = "-h --" ] && usage && exit 0 # catch single -h for usage info, otherwise it means --hostdisplay
while [ $# -gt 0 ] ; do
case "${1:-}" in
--help) usage && exit 0 ;; # show help/usage and exit
--license|--licence) license && exit 0 ;; # show MIT license and exit
--version) echo $Version && exit 0 ;; # output version number and exit
-e|--exe) X11dockermode="exe" ;; # execute application from host instead of running docker image
--xonly) X11dockermode="xonly" ;; # only create X erver
#### X servers
--auto) Autochooseserver="yes" ;; # use xpra or Xephyr, Xorg or hostdisplay, --xpra-xwayland or --weston-xwayland
-a|--xpra) Xserver="Xpra" ; Autochooseserver="no" ;; # use xpra on host
-y|--xephyr) Xserver="Xephyr" ; Autochooseserver="no" ;; # use Xephyr
-x|--xorg|--x11) Xserver="Xorg" ; Autochooseserver="no" ;; # use core Xorg
-h|--hostdisplay) Xserver="Hostdisplay" ; Autochooseserver="no" ;; # use host display :0 with shared X socket
-X|--xwayland) Xserver="Xwayland" ; Autochooseserver="no" ;; # Xwayland needs already running Wayland
-A|--xpra-xwayland) Xserver="Xpra-Xwayland" ; Autochooseserver="no" ;; # Xpra with Xwayland
-Y|--weston-xwayland) Xserver="Weston-Xwayland" ; Autochooseserver="no" ;; # Weston-Xwayland as Wayland compositor with Xwayland, runs in X or standalone from console
--xdummy) Xserver="Xdummy" ; Autochooseserver="no" ; Showdisplayenvironment="yes" ;; # use Xdummy. Invisible on host. For custom network setups with VNC or xpra
--xvfb) Xserver="Xvfb" ; Autochooseserver="no" ; Showdisplayenvironment="yes" ;; # use Xvfb. Invisible on host. For custom network setups with VNC or xpra
--nothing) Xserver="Nothing" ; Autochooseserver="no" ;; # Do not provide any X nor Wayland
-W|--weston) Xserver="Weston" ; Autochooseserver="no" ;; # Wayland in Weston only, no X
-H|--hostwayland) [ "$Xserver" = "Hostdisplay" ] || Xserver="Hostwayland" # share host wayland. Allow coexistence with option --hostdisplay
Sharewayland="yes" ; Autochooseserver="no" ;;
-K|--kwin) Xserver="Kwin" ; Autochooseserver="no" ;;
--kwin-xwayland) Xserver="Kwin-Xwayland" ; Autochooseserver="no" ;;
-N|--kwin-native) Xserver="Kwin-Native" ; Autochooseserver="no" # Seamless X and Wayland together
Sharewayland="yes" ; Setwaylandenv="yes"; Dbuslaunch="yes" ;;
-n|--nxagent) Xserver="Nxagent" ; Autochooseserver="no" ;;
#### Influencing X server
-d|--desktop) Desktopmode="yes" ;; # image contains a desktop environment.
-g|--gpu) Gpu="yes" ;; # share files in /dev/dri
-w|--wm) case ${2:-} in
""|"n"|"none") Windowmanager="none" ;;
"m"|"auto") Windowmanager="auto" ;;
*) Windowmanager=${2:-} ;;
esac
shift
Desktopmode="yes" ;;
#### Appearance
-f|--fullscreen) Fullscreen="yes" ;; # fullscreen mode for Xephyr and Weston
--size) Screensize="${2:-}" ; shift ;; # set virtual screen size
-l|--scale) Scaling=${2:-} ; shift ;; # zoom
--rotate) Rotation=${2:-} ; shift ;; # rotation and mirroring
--dpi) Dpi=${2:-} ; shift ;; # dots per inch / influences font size
--output-count) Outputcount="${2:-}" ; shift ;; # number of virtual outputs
--xfishtank) Xfishtank="yes" ;; # Run xfishtankon new X server
#### Options
-m|--home) Adduserhome="yes" ;; # share folder ~/x11docker/Imagename with container
-c|--clipboard) Shareclipboard="yes" ;; # share host clipboard with dockered applications (xpra only)
-p|--pulseaudio) Pulseaudio="yes" ;; # enable pulseaudio connection / sound support over tcp
#### Advanced options
-v|--verbose) Verbose="yes" ;; # be verbose
--stdout) Showstdout="yes" ;; # show stdout of image command
--stderr) Showstderr="yes" ;; # show stderr of image command
--silent) Silent="yes" ; exec 3>/dev/null ;; # do not show warnings or errors
-b|--dbus) Dbuslaunch="yes" ;; # run command with dbus-launch
-E|--waylandenv) Setwaylandenv="yes" ;; # set environment variables forcing toolkits like QTK and QT to use wayland
--no-entrypoint) Noentrypoint="yes" ;; # don't use ENTRYPOINT of image
--pw) Passwordprompt="${2:-}" ; shift ;; # frontend for password prompt
#### Developer options
## User settings
--user) Benutzer="${2:-}" ; shift ;; # set container user instead of host user
--hostuser) Hostuser="${2:-0}" # set host user different from logged in user
[ "$(echo $Hostuser | cut -c1)" = "-" ] && { ### FIXME: fuzzy validation, not reliable
warning "You are using --hostuser without an argument.
Maybe you are using it in deprecated form to have container user similar
to host user. That is default now. Now, option --hostuser expects an
argument to specify a different user than default user $(logname)"
Hostuser=""
} || shift ;;
--sudouser) Sudouser="yes" ;; # give container user sudo without password
## Environment
--showenv) Showdisplayenvironment="yes" ;; # output of display number and cookie file on stdout. Catch with ~$ read xdenv < <(x11docker --showenv)
--env) Customenvironment="$Customenvironment\n${2:-}" ; shift ;; # set custom environment variables
-S|--sharewayland) Sharewayland="yes" ;; # Share wayland socket
--vt) Newxvt="vt${2:-}" ; shift ;; # set virtual console to use
--display) Newdisplaynumber=${2:-} # display number to use
[ "$(echo $Newdisplaynumber | cut -c1)" = ":" ] && Newdisplaynumber="$(echo $Newdisplaynumber | cut -c2-)"
shift ;;
## X Authentication
--xhost) Xhost="xhost $2" ; shift ;; # set 'xhost +' on both X servers
--xhost+) Xhost="xhost +" ;; # set 'xhost +' on both X servers (deprecated, please use --xhost N)
--no-auth) Xauthentication="no" ;; # disable cookie authentication
-o|--no-xhost) Noxhost="yes" ;; # disable any access granted by xhost
--trusted) Forcetrusted="yes" ;; # force trusted cookies for --hostdisplay and --kwin-native
-t|--untrusted) Trusted="no" ;; # create untrusted cookies
## host folders
--homedir) Adduserhomefolder="${2:-}" ; Adduserhome="yes" ; shift ;; # set host folder to share as home folder instead of ~/x11docker/NAME
--cachedir) Cacherootfolder="${2:-}" ; shift ;; # set cache folder instead of default $Cacherootfolder
--sharedir) [ -e "${2:-}" ] && { # share host folder at same location in container with rw access
Sharevolumes="$Sharevolumes -v '${2:-}':'${2:-}':rw"
} || warning "Option --sharedir: file or folder not found.
${2:-}" ; shift ;;
## docker options
--ipc) Shareipc="yes" ;; # docker run option --ipc=host
--net) Sharenet="yes" ;; # docker run option --net=host
--cap-default) Capdropall="no" ;; # don't use --cap-drop=ALL
--rw) Readwrite="yes" ;; # allow read/write access to container root filesystem
## miscellaneous
--ps) Preservecontainer="yes" ;; # preserve container instead of removing it with 'docker run --rm'
--westonini) Customwestonini="${2:-}" ; shift ;; # custom weston.ini