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conty-start.sh
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conty-start.sh
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#!/usr/bin/env bash
## Dependencies: bash gzip fuse2 (or fuse3) tar coreutils
LD_PRELOAD_ORIG="${LD_PRELOAD}"
LD_LIBRARY_PATH_ORIG="${LD_LIBRARY_PATH}"
unset LD_PRELOAD LD_LIBRARY_PATH
LC_ALL_ORIG="${LC_ALL}"
export LC_ALL=C
msg_root="
Do not run this script as root!
If you really need to run it as root and know what you are doing, set
the ALLOW_ROOT environment variable.
"
# Refuse to run as root unless environment variable is set
if (( EUID == 0 )) && [ -z "$ALLOW_ROOT" ]; then
echo "${msg_root}"
exit 1
fi
# Conty version
script_version="1.26.2"
# Important variables to manually adjust after modification!
# Needed to avoid problems with mounting due to an incorrect offset.
#
# If you build Conty without some of the components, you can set their
# size to 0
init_size=50000
bash_size=1752808
script_size=38502
busybox_size=1181592
utils_size=4392469
# Full path to the script
if [ -n "${BASH_SOURCE[0]}" ]; then
script_literal="${BASH_SOURCE[0]}"
else
script_literal="${0}"
if [ "${script_literal}" = "$(basename "${script_literal}")" ]; then
script_literal="$(command -v "${0}")"
fi
fi
script_name="$(basename "${script_literal}")"
script="$(readlink -f "${script_literal}")"
# Check if head supports -c argument
unset HEAD_C_SUPPORTED
head -c 0 /dev/null &>/dev/null && HEAD_C_SUPPORTED=1
# MD5 of the first 4 MB and the last 1 MB of the script
if [ "${HEAD_C_SUPPORTED}" = 1 ]; then
script_md5="$(head -c 4000000 "${script}" | md5sum | head -c 7)"_"$(tail -c 1000000 "${script}" | md5sum | head -c 7)"
else
script_md5="$(dd if="${script}" bs=4000000 count=1 2>/dev/null | md5sum | cut -c1-7)"_"$(dd if="${script}" bs=1000000 skip=100 count=1 2>/dev/null | md5sum | cut -c1-7)"
fi
script_id="$$"
# Working directory where the utils will be extracted
# And where the image will be mounted
# The default path is /tmp/conty_username_scriptmd5
# And if /tmp is mounted with noexec, the default path
# is ~/.local/share/Conty/conty_username_scriptmd5
conty_dir_name=conty_"${USER}"_"${script_md5}"
if [ -z "${BASE_DIR}" ]; then
export working_dir=/tmp/"${conty_dir_name}"
else
export working_dir="${BASE_DIR}"/"${conty_dir_name}"
fi
if [ "${USE_SYS_UTILS}" != 1 ] && [ "${busybox_size}" -gt 0 ]; then
busybox_bin_dir="${working_dir}"/busybox_bins
busybox_path="${busybox_bin_dir}"/busybox
if [ ! -f "${busybox_bin_dir}"/echo ]; then
mkdir -p "${busybox_bin_dir}"
if [ "${HEAD_C_SUPPORTED}" = 1 ]; then
tail -c +$((init_size+bash_size+script_size+1)) "${script}" | head -c "${busybox_size}" > "${busybox_path}"
else
dd if="${script}" of="${busybox_path}" bs=1 skip=$((init_size+bash_size+script_size)) count="${busybox_size}" 2>/dev/null
fi
chmod +x "${busybox_path}" 2>/dev/null
"${busybox_path}" --install -s "${busybox_bin_dir}" &>/dev/null
fi
if "${busybox_bin_dir}"/echo &>/dev/null; then
export PATH="${busybox_bin_dir}:${PATH}"
fi
fi
# Help output
msg_help="
Usage: ${script_name} [COMMAND] [ARGUMENTS]
Arguments:
-e Extract the image
-h Display this text
-H Display bubblewrap help
-g Run the Conty's graphical interface
-l Show a list of all installed packages
-d Export desktop files from Conty into the application menu of
your desktop environment.
Note that not all applications have desktop files, and also that
desktop files are tied to the current location of Conty, so if
you move or rename it, you will need to re-export them.
To remove the exported files, use this argument again.
-m Mount/unmount the image
The image will be mounted if it's not, unmounted otherwise.
Mount point can be changed with the BASE_DIR env variable
(the default is /tmp).
-o Show the image offset
-u Update all packages inside the container
This requires a rebuild of the image, which may take quite
a lot of time, depending on your hardware and internet speed.
Additional disk space (about 6x the size of the current file)
is needed during the update process.
-v Display version of this script
-V Display version of the image
Arguments that don't match any of the above will be passed directly to
bubblewrap, so all bubblewrap arguments are supported as well.
Environment variables:
BASE_DIR Sets a custom directory where Conty will extract its
builtin utilities and mount the image.
The default is /tmp.
DISABLE_NET Disables network access.
DISABLE_X11 Disables access to X server.
Note: Even with this variable enabled applications
can still access your X server if it doesn't use
XAUTHORITY and listens to the abstract socket. This
can be solved by enabling XAUTHORITY, disabling the
abstract socket or by disabling network access.
HOME_DIR Sets the home directory to a custom location.
For example: HOME_DIR=\"$HOME/custom_home\"
Note: If this variable is set the home directory
inside the container will still appear as $HOME,
even though the custom directory is used.
QUIET_MODE Disables all non-error Conty messages.
Doesn't affect the output of applications.
SANDBOX Enables a sandbox.
To control which files and directories are available
inside the container, you can use the --bind and
--ro-bind launch arguments.
(See bubblewrap help for more info).
SANDBOX_LEVEL Controls the strictness of the sandbox.
Available levels:
1: Isolates all user files.
2: Additionally disables dbus and hides all
running processes.
3: Additionally disables network access and
isolates X11 server with Xephyr.
The default is 1.
USE_OVERLAYFS Mounts a writable unionfs-fuse filesystem on top
of the read-only squashfs/dwarfs image, allowing to
modify files inside it.
Overlays are stored in ~/.local/share/Conty. If you
want to undo any changes, delete the entire
directory from there.
NVIDIA_HANDLER Fixes issues with graphical applications on Nvidia
GPUs with the proprietary driver. Enable this only
if you are using an Nvidia GPU, the proprietary
driver and encountering issues running graphical
applications. At least 2 GB of free disk space is
required. This function is enabled by default.
USE_SYS_UTILS Tells the script to use squashfuse/dwarfs and bwrap
installed on the system instead of the builtin ones.
XEPHYR_SIZE Sets the size of the Xephyr window. The default is
800x600.
CUSTOM_MNT Sets a custom mount point for the Conty. This allows
Conty to be used with already mounted filesystems.
Conty will not mount its image on this mount point,
but it will use files that are already present
there.
Additional notes:
System directories/files will not be available inside the container if
you set the SANDBOX variable but don't bind (mount) any items or set
HOME_DIR. A fake temporary home directory will be used instead.
If the executed script is a symlink with a different name, said name
will be used as the command name.
For instance, if the script is a symlink with the name \"wine\" it will
automatically run wine during launch.
Running Conty without any arguments from a graphical interface (for
example, from a file manager) will automatically launch the Conty's
graphical interface.
Besides updating all packages, you can also install and remove packages
using the same -u argument. To install packages add them as additional
arguments, to remove add a minus sign (-) before their names.
To install: ${script_name} -u pkgname1 pkgname2 pkgname3 ...
To remove: ${script_name} -u -pkgname1 -pkgname2 -pkgname3 ...
In this case Conty will update all packages and additionally install
and/or remove specified packages.
If you are using an Nvidia GPU, please read the following:
https://github.com/Kron4ek/Conty#known-issues
"
if [ -n "${CUSTOM_MNT}" ] && [ -d "${CUSTOM_MNT}" ]; then
mount_point="${CUSTOM_MNT}"
else
mount_point="${working_dir}"/mnt
fi
export overlayfs_dir="${HOME}"/.local/share/Conty/overlayfs_"${script_md5}"
export nvidia_drivers_dir="${overlayfs_dir}"/nvidia
export overlayfs_shared_dir="${HOME}"/.local/share/Conty/overlayfs_shared
export nvidia_drivers_shared_dir="${overlayfs_shared_dir}"/nvidia
# Offset where the image is stored
offset=$((init_size+bash_size+script_size+busybox_size+utils_size))
# Detect if the image is compressed with DwarFS or SquashFS
if [ "$(tail -c +$((offset+1)) "${script}" | head -c 6)" = "DWARFS" ]; then
dwarfs_image=1
fi
# These arguments are used to rebuild the image when using the self-update function
squashfs_comp_arguments=(-b 1M -comp zstd -Xcompression-level 19)
dwarfs_comp_arguments=(-l7 -C zstd:level=19 --metadata-compression null \
-S 21 -B 1 --order nilsimsa \
-W 12 -w 4 --no-create-timestamp)
# Enable NVIDIA_HANDLER by default
NVIDIA_HANDLER="${NVIDIA_HANDLER:-1}"
unset script_is_symlink
if [ -L "${script_literal}" ]; then
script_is_symlink=1
fi
if [ -z "${script_is_symlink}" ]; then
if [ -t 0 ] && ([ "$1" = "-h" ] || [ -z "$1" ]); then
echo "${msg_help}"
exit
elif [ "$1" = "-v" ]; then
echo "${script_version}"
exit
elif [ "$1" = "-o" ]; then
echo "${offset}"
exit
fi
fi
show_msg () {
if [ "${QUIET_MODE}" != 1 ]; then
echo "$@"
fi
}
exec_test () {
mkdir -p "${working_dir}"
exec_test_file="${working_dir}"/exec_test
rm -f "${exec_test_file}"
touch "${exec_test_file}"
chmod +x "${exec_test_file}"
[ -x "${exec_test_file}" ]
}
launch_wrapper () {
if [ "${USE_SYS_UTILS}" = 1 ]; then
"$@"
else
"${working_dir}"/utils/ld-linux-x86-64.so.2 --library-path "${working_dir}"/utils "$@"
fi
}
gui () {
if ! command -v zenity 1>/dev/null; then
exit 1
fi
gui_response=$(zenity --title="Conty" \
--entry \
--text="Enter a command or select a file you want to run" \
--ok-label="Run" \
--cancel-label="Quit" \
--extra-button="Select a file" \
--extra-button="Open a terminal")
gui_exit_code=$?
if [ "${gui_response}" = "Select a file" ]; then
filepath="$(zenity --title="A file to run" --file-selection)"
if [ -f "${filepath}" ]; then
[ -x "${filepath}" ] || chmod +x "${filepath}"
"${filepath}"
else
zenity --error --text="You did not select a file"
fi
elif [ "${gui_response}" = "Open a terminal" ]; then
if command -v lxterminal 1>/dev/null; then
lxterminal -T "Conty terminal" --command="bash -c 'echo Welcome to Conty; echo Enter any commands you want to execute; bash'"
else
zenity --error --text="A terminal emulator is not installed in this instance of Conty"
fi
elif [ "${gui_exit_code}" = 0 ]; then
if [ -z "${gui_response}" ]; then
zenity --error --text="You need to enter a command to execute"
else
for a in ${gui_response}; do
if [ "${a:0:1}" = "\"" ] || [ "${a:0:1}" = "'" ] || [ -n "${combined_args}" ]; then
combined_args="${combined_args} ${a}"
if [ "${a: -1}" = "\"" ] || [ "${a: -1}" = "'" ]; then
combined_args="${combined_args:2}"
combined_args="${combined_args%?}"
launch_command+=("${combined_args}")
unset combined_args
fi
continue
fi
launch_command+=("${a}")
done
"${launch_command[@]}"
fi
fi
}
mount_overlayfs () {
mkdir -p "${overlayfs_dir}"/up
mkdir -p "${overlayfs_dir}"/work
mkdir -p "${overlayfs_dir}"/merged
mkdir -p "${nvidia_drivers_dir}"
if [ ! "$(ls "${overlayfs_dir}"/merged 2>/dev/null)" ]; then
if command -v "${unionfs_fuse}" 1>/dev/null; then
if [ "${1}" = "share_nvidia" ]; then
launch_wrapper "${unionfs_fuse}" -o relaxed_permissions,cow,noatime "${overlayfs_dir}"/up=RW:"${overlayfs_shared_dir}"/up=RO:"${mount_point}"=RO "${overlayfs_dir}"/merged
else
launch_wrapper "${unionfs_fuse}" -o relaxed_permissions,cow,noatime "${overlayfs_dir}"/up=RW:"${mount_point}"=RO "${overlayfs_dir}"/merged
fi
else
echo "unionfs-fuse not found"
return 1
fi
fi
}
nvidia_driver_handler () {
OLD_PWD="${PWD}"
rm -rf "${nvidia_drivers_dir}"/nvidia.run "${nvidia_drivers_dir}"/nvidia-driver
mkdir -p "${nvidia_drivers_dir}"
cd "${nvidia_drivers_dir}"
echo "Found Nvidia driver ${nvidia_driver_version}"
echo "Downloading the Nvidia driver ${nvidia_driver_version}..."
# Try to download the driver from the default Nvidia URL
driver_url="https://us.download.nvidia.com/XFree86/Linux-x86_64/${nvidia_driver_version}/NVIDIA-Linux-x86_64-${nvidia_driver_version}.run"
curl -#Lo nvidia.run "${driver_url}"
# If the previous download failed, get the URL from FlatHub repo
if [ ! -s nvidia.run ] || [ "$(stat -c%s nvidia.run)" -lt 30000000 ]; then
rm -f nvidia.run
driver_url="https:$(curl -#Lo - "https://raw.githubusercontent.com/flathub/org.freedesktop.Platform.GL.nvidia/master/data/nvidia-${nvidia_driver_version}-x86_64.data" | cut -d ':' -f 6)"
curl -#Lo nvidia.run "${driver_url}"
fi
if [ -s nvidia.run ]; then
echo "Installing the Nvidia driver, please wait..."
chmod +x nvidia.run
./nvidia.run --target nvidia-driver -x &>/dev/null
if [ -f nvidia-driver/nvidia-installer ]; then
cd nvidia-driver || exit 1
chmod +x nvidia-installer
fakeroot ./nvidia-installer --silent --no-x-check --no-kernel-module &>/dev/null
rm -rf "${nvidia_drivers_dir}"/nvidia.run "${nvidia_drivers_dir}"/nvidia-driver
if [ -s /usr/lib/libGLX_nvidia.so."${nvidia_driver_version}" ] || \
[ -s /usr/lib/libGL.so."${nvidia_driver_version}" ]; then
cp /usr/lib/tls/libnvidia-tls.so.* /usr/lib &>/dev/null
cp /usr/lib32/tls/libnvidia-tls.so.* /usr/lib32 &>/dev/null
echo "${nvidia_driver_version}" > "${nvidia_drivers_dir}"/current-nvidia-version
echo "The driver installed successfully"
else
echo "Failed to install the driver"
fi
else
echo "Failed to extract the driver"
fi
else
echo "Failed to download the driver"
fi
cd "${OLD_PWD}"
}
update_conty () {
if [ "$(ls /var/cache/pacman/pkg_host 2>/dev/null)" ]; then
mkdir -p /var/cache/pacman/pkg
ln -s /var/cache/pacman/pkg_host/* /var/cache/pacman/pkg 2>/dev/null
fi
reflector --protocol https --score 5 --sort rate --save /etc/pacman.d/mirrorlist
fakeroot -- pacman -Syy 2>/dev/null
date -u +"%d-%m-%Y %H:%M (DMY UTC)" > /version
fakeroot -- pacman --noconfirm -S archlinux-keyring 2>/dev/null
fakeroot -- pacman --noconfirm -S chaotic-keyring 2>/dev/null
rm -rf /etc/pacman.d/gnupg/*
fakeroot -- pacman-key --init
echo "keyserver hkps://keyserver.ubuntu.com" >> /etc/pacman.d/gnupg/gpg.conf
fakeroot -- pacman-key --populate archlinux
fakeroot -- pacman-key --populate chaotic
fakeroot -- pacman --noconfirm --overwrite "*" --ignore fakeroot -Su 2>/dev/null
fakeroot -- pacman --noconfirm -Runs ${pkgsremove} 2>/dev/null
fakeroot -- pacman --noconfirm -S ${pkgsinstall} 2>/dev/null
ldconfig -C /etc/ld.so.cache
rm -f /var/cache/pacman/pkg/*
pacman -Q > /pkglist.x86_64.txt
update-ca-trust
locale-gen
}
# Check if FUSE is installed
if ! command -v fusermount3 1>/dev/null && ! command -v fusermount 1>/dev/null; then
echo "Please install fuse2 or fuse3 and run the script again."
exit 1
fi
if command -v fusermount3 1>/dev/null; then
fuse_version=3
fi
# Set the dwarfs block cache size depending on how much RAM is available
# Also set the number of workers depending on the number of CPU cores
dwarfs_cache_size="128M"
dwarfs_num_workers="2"
if [ "${dwarfs_image}" = 1 ]; then
if getconf _PHYS_PAGES &>/dev/null && getconf PAGE_SIZE &>/dev/null; then
memory_size="$(($(getconf _PHYS_PAGES) * $(getconf PAGE_SIZE) / (1024 * 1024)))"
if [ "${memory_size}" -ge 45000 ]; then
dwarfs_cache_size="4096M"
elif [ "${memory_size}" -ge 23000 ]; then
dwarfs_cache_size="2048M"
elif [ "${memory_size}" -ge 15000 ]; then
dwarfs_cache_size="1024M"
elif [ "${memory_size}" -ge 7000 ]; then
dwarfs_cache_size="512M"
elif [ "${memory_size}" -ge 3000 ]; then
dwarfs_cache_size="256M"
elif [ "${memory_size}" -ge 1500 ]; then
dwarfs_cache_size="128M"
else
dwarfs_cache_size="64M"
fi
fi
if getconf _NPROCESSORS_ONLN &>/dev/null; then
dwarfs_num_workers="$(getconf _NPROCESSORS_ONLN)"
if [ "${dwarfs_num_workers}" -ge 8 ]; then
dwarfs_num_workers=8
fi
fi
fi
# Extract utils.tar.gz
mkdir -p "${working_dir}"
if ([ "${USE_SYS_UTILS}" != 1 ] && [ "${utils_size}" -gt 0 ]) || [ "$1" = "-u" ]; then
# Check if filesystem of the working_dir is mounted without noexec
if ! exec_test; then
if [ -z "${BASE_DIR}" ]; then
export working_dir="${HOME}"/.local/share/Conty/"${conty_dir_name}"
if [ -z "${CUSTOM_MNT}" ]; then
mount_point="${working_dir}"/mnt
fi
fi
if ! exec_test; then
echo "Seems like /tmp is mounted with noexec or you don't have write access!"
echo "Please remount it without noexec or set BASE_DIR to a different location."
exit 1
fi
fi
if ! command -v tar 1>/dev/null || ! command -v gzip 1>/dev/null; then
echo "Please install tar and gzip and run the script again."
exit 1
fi
if [ "${dwarfs_image}" = 1 ]; then
mount_tool="${working_dir}"/utils/dwarfs"${fuse_version}"
extraction_tool="${working_dir}"/utils/dwarfsextract
compression_tool="${working_dir}"/utils/mkdwarfs
else
mount_tool="${working_dir}"/utils/squashfuse"${fuse_version}"
extraction_tool="${working_dir}"/utils/unsquashfs
compression_tool="${working_dir}"/utils/mksquashfs
fi
bwrap="${working_dir}"/utils/bwrap
unionfs_fuse="${working_dir}"/utils/unionfs"${fuse_version}"
if [ ! -f "${mount_tool}" ] || [ ! -f "${bwrap}" ]; then
tail -c +$((init_size+bash_size+script_size+busybox_size+1)) "${script}" | head -c "${utils_size}" | tar -C "${working_dir}" -zxf -
if [ ! -f "${mount_tool}" ] || [ ! -f "${bwrap}" ]; then
clear
echo "The integrated utils were not extracted!"
echo "Perhaps something is wrong with the integrated utils.tar.gz."
exit 1
fi
chmod +x "${mount_tool}" 2>/dev/null
chmod +x "${bwrap}" 2>/dev/null
chmod +x "${extraction_tool}" 2>/dev/null
chmod +x "${unionfs_fuse}" 2>/dev/null
chmod +x "${compression_tool}" 2>/dev/null
fi
else
if ! command -v bwrap 1>/dev/null; then
echo "USE_SYS_UTILS is enabled, but bubblewrap is not installed!"
echo "Please install it and run the script again."
exit 1
fi
bwrap=bwrap
unionfs_fuse=unionfs
if [ "${dwarfs_image}" = 1 ]; then
if ! command -v dwarfs 1>/dev/null && ! command -v dwarfs2 1>/dev/null; then
echo "USE_SYS_UTILS is enabled, but dwarfs is not installed!"
echo "Please install it and run the script again."
exit 1
fi
if command -v dwarfs2 1>/dev/null; then
mount_tool=dwarfs2
else
mount_tool=dwarfs
fi
extraction_tool=dwarfsextract
else
if ! command -v squashfuse 1>/dev/null; then
echo "USE_SYS_UTILS is enabled, but squashfuse is not installed!"
echo "Please install it and run the script again."
exit 1
fi
mount_tool=squashfuse
extraction_tool=unsquashfs
fi
show_msg "Using system-wide ${mount_tool} and bwrap"
fi
if [ "$1" = "-e" ] && [ -z "${script_is_symlink}" ]; then
if command -v "${extraction_tool}" 1>/dev/null; then
if [ "${dwarfs_image}" = 1 ]; then
echo "Extracting the image..."
mkdir "$(basename "${script}")"_files
launch_wrapper "${extraction_tool}" -i "${script}" -o "$(basename "${script}")"_files -O "${offset}"
echo "Done"
else
launch_wrapper "${extraction_tool}" -o "${offset}" -user-xattrs -d "$(basename "${script}")"_files "${script}"
fi
else
echo "Extraction tool not found"
exit 1
fi
exit
fi
if [ "$1" = "-H" ] && [ -z "${script_is_symlink}" ]; then
launch_wrapper "${bwrap}" --help
exit
fi
run_bwrap () {
unset sandbox_params
unset unshare_net
unset custom_home
unset non_standard_home
unset xsockets
unset mount_opt
unset command_line
command_line=("${@}")
if [ -n "${WAYLAND_DISPLAY}" ]; then
wayland_socket="${WAYLAND_DISPLAY}"
else
wayland_socket="wayland-0"
fi
if [ -z "${XDG_RUNTIME_DIR}" ]; then
XDG_RUNTIME_DIR="/run/user/${EUID}"
fi
# Handle non-standard HOME locations that are outside of our default
# visibility scope
if [ -n "${HOME}" ] && [ "$(echo "${HOME}" | head -c 6)" != "/home/" ]; then
HOME_BASE_DIR="$(echo "${HOME}" | cut -d '/' -f2)"
case "${HOME_BASE_DIR}" in
tmp|mnt|media|run|var)
;;
*)
NEW_HOME=/home/"${USER}"
non_standard_home+=(--tmpfs /home \
--bind "${HOME}" "${NEW_HOME}" \
--setenv "HOME" "${NEW_HOME}" \
--setenv "XDG_CONFIG_HOME" "${NEW_HOME}"/.config \
--setenv "XDG_DATA_HOME" "${NEW_HOME}"/.local/share)
unset command_line
for arg in "$@"; do
if [[ "${arg}" == *"${HOME}"* ]]; then
arg="$(echo "${arg/"$HOME"/"$NEW_HOME"}")"
fi
command_line+=("${arg}")
done
;;
esac
fi
if [ "${SANDBOX}" = 1 ]; then
sandbox_params+=(--tmpfs /home \
--tmpfs /mnt \
--tmpfs /media \
--tmpfs /var \
--tmpfs /run \
--symlink /run /var/run \
--tmpfs /tmp \
--new-session)
if [ -n "${non_standard_home[*]}" ]; then
sandbox_params+=(--dir "${NEW_HOME}")
else
sandbox_params+=(--dir "${HOME}")
fi
if [ -n "${SANDBOX_LEVEL}" ] && [ "${SANDBOX_LEVEL}" -ge 2 ]; then
sandbox_level_msg="(level 2)"
sandbox_params+=(--dir "${XDG_RUNTIME_DIR}" \
--ro-bind-try "${XDG_RUNTIME_DIR}"/"${wayland_socket}" "${XDG_RUNTIME_DIR}"/"${wayland_socket}" \
--ro-bind-try "${XDG_RUNTIME_DIR}"/pulse "${XDG_RUNTIME_DIR}"/pulse \
--ro-bind-try "${XDG_RUNTIME_DIR}"/pipewire-0 "${XDG_RUNTIME_DIR}"/pipewire-0 \
--unshare-pid \
--unshare-user-try \
--unsetenv "DBUS_SESSION_BUS_ADDRESS")
else
sandbox_level_msg="(level 1)"
sandbox_params+=(--bind-try "${XDG_RUNTIME_DIR}" "${XDG_RUNTIME_DIR}" \
--bind-try /run/dbus /run/dbus)
fi
if [ -n "${SANDBOX_LEVEL}" ] && [ "${SANDBOX_LEVEL}" -ge 3 ]; then
sandbox_level_msg="(level 3)"
DISABLE_NET=1
fi
show_msg "Sandbox is enabled ${sandbox_level_msg}"
fi
if [ "${DISABLE_NET}" = 1 ]; then
show_msg "Network is disabled"
unshare_net=(--unshare-net)
fi
if [ -n "${HOME_DIR}" ]; then
show_msg "Home directory is set to ${HOME_DIR}"
if [ -n "${non_standard_home[*]}" ]; then
custom_home+=(--bind "${HOME_DIR}" "${NEW_HOME}")
else
custom_home+=(--bind "${HOME_DIR}" "${HOME}")
fi
[ ! -d "${HOME_DIR}" ] && mkdir -p "${HOME_DIR}"
fi
# Set the XAUTHORITY variable if it's missing
if [ -z "${XAUTHORITY}" ]; then
XAUTHORITY="${HOME}"/.Xauthority
fi
# Mount X server sockets and XAUTHORITY
xsockets+=(--tmpfs /tmp/.X11-unix)
if [ -n "${non_standard_home[*]}" ] && [ "${XAUTHORITY}" = "${HOME}"/.Xauthority ]; then
xsockets+=(--ro-bind-try "${XAUTHORITY}" "${NEW_HOME}"/.Xauthority \
--setenv "XAUTHORITY" "${NEW_HOME}"/.Xauthority)
else
xsockets+=(--ro-bind-try "${XAUTHORITY}" "${XAUTHORITY}")
fi
if [ "${DISABLE_X11}" != 1 ]; then
if [ "$(ls /tmp/.X11-unix 2>/dev/null)" ]; then
if [ -n "${SANDBOX_LEVEL}" ] && [ "${SANDBOX_LEVEL}" -ge 3 ]; then
xsockets+=(--ro-bind-try /tmp/.X11-unix/X"${xephyr_display}" /tmp/.X11-unix/X"${xephyr_display}" \
--setenv "DISPLAY" :"${xephyr_display}")
else
for s in /tmp/.X11-unix/*; do
xsockets+=(--bind-try "${s}" "${s}")
done
fi
fi
else
show_msg "Access to X server is disabled"
# Unset the DISPLAY and XAUTHORITY env variables and mount an
# empty file to XAUTHORITY to invalidate it
xsockets+=(--ro-bind-try "${working_dir}"/running_"${script_id}" "${XAUTHORITY}" \
--unsetenv "DISPLAY" \
--unsetenv "XAUTHORITY")
fi
if [ ! "$(ls "${mount_point}"/opt 2>/dev/null)" ] && [ -z "${SANDBOX}" ]; then
mount_opt=(--bind-try /opt /opt)
fi
if ([ "${NVIDIA_HANDLER}" = 1 ] || [ "${USE_OVERLAYFS}" = 1 ]) && \
[ "$(ls "${overlayfs_dir}"/merged 2>/dev/null)" ]; then
newroot_path="${overlayfs_dir}"/merged
else
newroot_path="${mount_point}"
fi
if [ "${RW_ROOT}" = 1 ]; then
bind_root=(--bind "${newroot_path}" /)
else
bind_root=(--ro-bind "${newroot_path}" /)
fi
conty_variables="BASE_DIR DISABLE_NET DISABLE_X11 HOME_DIR QUIET_MODE \
SANDBOX SANDBOX_LEVEL USE_OVERLAYFS NVIDIA_HANDLER \
USE_SYS_UTILS XEPHYR_SIZE CUSTOM_MNT"
for v in ${conty_variables}; do
set_vars+=(--unsetenv "${v}")
done
[ -n "${LD_PRELOAD_ORIG}" ] && set_vars+=(--setenv LD_PRELOAD "${LD_PRELOAD_ORIG}")
[ -n "${LD_LIBRARY_PATH_ORIG}" ] && set_vars+=(--setenv LD_LIBRARY_PATH "${LD_LIBRARY_PATH_ORIG}")
if [ -n "${LC_ALL_ORIG}" ]; then
set_vars+=(--setenv LC_ALL "${LC_ALL_ORIG}")
else
set_vars+=(--unsetenv LC_ALL)
fi
show_msg
launch_wrapper "${bwrap}" \
"${bind_root[@]}" \
--dev-bind /dev /dev \
--ro-bind /sys /sys \
--bind-try /tmp /tmp \
--proc /proc \
--bind-try /home /home \
--bind-try /mnt /mnt \
--bind-try /media /media \
--bind-try /run /run \
--bind-try /var /var \
--bind-try /usr/lib/locale /usr/lib/locale \
--ro-bind-try /usr/share/steam/compatibilitytools.d /usr/share/steam/compatibilitytools.d \
--ro-bind-try /etc/resolv.conf /etc/resolv.conf \
--ro-bind-try /etc/hosts /etc/hosts \
--ro-bind-try /etc/nsswitch.conf /etc/nsswitch.conf \
--ro-bind-try /etc/passwd /etc/passwd \
--ro-bind-try /etc/group /etc/group \
--ro-bind-try /etc/machine-id /etc/machine-id \
--ro-bind-try /etc/asound.conf /etc/asound.conf \
--ro-bind-try /etc/localtime /etc/localtime \
"${non_standard_home[@]}" \
"${sandbox_params[@]}" \
"${custom_home[@]}" \
"${mount_opt[@]}" \
"${xsockets[@]}" \
"${unshare_net[@]}" \
"${set_vars[@]}" \
--setenv PATH "${CUSTOM_PATH}" \
"${command_line[@]}"
}
exit_function () {
sleep 3
rm -f "${working_dir}"/running_"${script_id}"
if [ ! "$(ls "${working_dir}"/running_* 2>/dev/null)" ]; then
if [ -d "${overlayfs_dir}"/merged ]; then
fusermount"${fuse_version}" -uz "${overlayfs_dir}"/merged 2>/dev/null || \
umount --lazy "${overlayfs_dir}"/merged 2>/dev/null
fi
if [ -z "${CUSTOM_MNT}" ]; then
fusermount"${fuse_version}" -uz "${mount_point}" 2>/dev/null || \
umount --lazy "${mount_point}" 2>/dev/null
fi
if [ ! "$(ls "${mount_point}" 2>/dev/null)" ] || [ -n "${CUSTOM_MNT}" ]; then
rm -rf "${working_dir}"
fi
fi
exit
}
trap_exit () {
exit_function &
}
trap 'trap_exit' EXIT
if [ "$(ls "${working_dir}"/running_* 2>/dev/null)" ] && [ ! "$(ls "${mount_point}" 2>/dev/null)" ]; then
rm -f "${working_dir}"/running_*
fi
if [ -f "${nvidia_drivers_dir}"/lock ] && [ ! "$(ls "${working_dir}"/running_* 2>/dev/null)" ]; then
rm -f "${nvidia_drivers_dir}"/lock
fi
if [ "${dwarfs_image}" = 1 ]; then
mount_command=("${mount_tool}" \
"${script}" "${mount_point}" \
-o offset="${offset}" \
-o debuglevel=error \
-o workers="${dwarfs_num_workers}" \
-o mlock=try \
-o no_cache_image \
-o cache_files \
-o cachesize="${dwarfs_cache_size}" \
-o decratio=0.6 \
-o tidy_strategy=swap \
-o tidy_interval=5m)
else
mount_command=("${mount_tool}" \
-o offset="${offset}",ro \
"${script}" "${mount_point}")
fi
# Increase file descriptors limit in case soft and hard limits are different
# Useful for unionfs-fuse and for some games
ulimit -n $(ulimit -Hn) &>/dev/null
# Mount the image
mkdir -p "${mount_point}"
if [ "$(ls "${mount_point}" 2>/dev/null)" ] || launch_wrapper "${mount_command[@]}"; then
if [ "$1" = "-m" ] && [ -z "${script_is_symlink}" ]; then
if [ ! -f "${working_dir}"/running_mount ]; then
echo 1 > "${working_dir}"/running_mount
echo "The image has been mounted to ${mount_point}"
else
rm -f "${working_dir}"/running_mount
echo "The image has been unmounted"
fi
exit
fi
if [ "$1" = "-V" ] && [ -z "${script_is_symlink}" ]; then
if [ -f "${mount_point}"/version ]; then
cat "${mount_point}"/version
else
echo "Unknown version"
fi
exit
fi
if [ "$1" = "-d" ] && [ -z "${script_is_symlink}" ]; then
applications_dir="${HOME}"/.local/share/applications/Conty
if [ -d "${applications_dir}" ]; then
rm -rf "${applications_dir}"
echo "Desktop files have been removed"
exit
fi
mkdir -p "${applications_dir}"
cp -r "${mount_point}"/usr/share/applications "${applications_dir}"_temp
cd "${applications_dir}"_temp || exit 1
unset variables
vars="BASE_DIR DISABLE_NET DISABLE_X11 HOME_DIR SANDBOX SANDBOX_LEVEL USE_SYS_UTILS CUSTOM_MNT"
for v in ${vars}; do
if [ -n "${!v}" ]; then
variables="${v}=\"${!v}\" ${variables}"
fi
done
if [ -n "${variables}" ]; then
variables="env ${variables} "
fi
echo "Exporting..."
shift
for f in *.desktop */ */*.desktop; do
if [ "${f}" != "*.desktop" ] && [ "${f}" != "*/*.desktop" ] && [ "${f}" != "*/" ]; then
if [ -d "${f}" ]; then
mkdir -p "${applications_dir}"/"${f}"
continue
fi
if [ -L "${f}" ]; then
cp --remove-destination "${mount_point}"/"$(readlink "${f}")" "${f}"
fi
while read -r line; do
line_function="$(echo "${line}" | head -c 4)"
if [ "${line_function}" = "Name" ]; then
line="${line} (Conty)"
elif [ "${line_function}" = "Exec" ]; then
line="Exec=${variables}\"${script}\" $@ $(echo "${line}" | tail -c +6)"
elif [ "${line_function}" = "TryE" ]; then
continue
fi
echo $line >> "${applications_dir}"/"${f%.desktop}"-conty.desktop
done < "${f}"
fi
done
mkdir -p "${HOME}"/.local/share
cp -nr "${mount_point}"/usr/share/icons "${HOME}"/.local/share 2>/dev/null
rm -rf "${applications_dir}"_temp
echo "Desktop files have been exported"
exit
fi
echo 1 > "${working_dir}"/running_"${script_id}"
show_msg "Running Conty"
export CUSTOM_PATH="/bin:/sbin:/usr/bin:/usr/sbin:/usr/lib/jvm/default/bin:/usr/local/bin:/usr/local/sbin:${PATH}"
if [ "$1" = "-l" ] && [ -z "${script_is_symlink}" ]; then
run_bwrap --ro-bind "${mount_point}"/var /var pacman -Q
exit
fi