#!/bin/bash qubes_preset_file="75-qubes-vm.preset" ########################### ## Pre-Install functions ## ########################### update_default_user() { # Make sure there is a qubes group groupadd --force --system --gid 98 qubes # Archlinux bash version has a 'bug' when running su -c, /etc/profile is not loaded because bash consider there is no interactive pty when running 'su - user -c' or something like this. # See https://bugs.archlinux.org/task/31831 id -u 'user' >/dev/null 2>&1 || { useradd --user-group --create-home --shell /bin/bash user } usermod -a --groups qubes user } ## arg 1: the new package version pre_install() { echo "Pre install..." update_default_user # do this whole %pre thing only when updating for the first time... mkdir -p /var/lib/qubes # Backup fstab / But use archlinux defaults (cp instead of mv) if [ -e /etc/fstab ] ; then cp /etc/fstab /var/lib/qubes/fstab.orig fi # Add qubes core related fstab entries echo "xen /proc/xen xenfs defaults 0 0" >> /etc/fstab usermod -L root usermod -L user } ## arg 1: the new package version ## arg 2: the old package version pre_upgrade() { # do something here echo "Pre upgrade..." update_default_user } ################### ## Install Hooks ## ################### configure_notification-daemon() { # Enable autostart of notification-daemon when installed if [ ! -L /etc/xdg/autostart/notification-daemon.desktop ]; then ln -s /usr/share/applications/notification-daemon.desktop /etc/xdg/autostart/ fi } configure_selinux() { # SELinux is not enabled on archlinux #echo "--> Disabling SELinux..." echo "SELINUX not enabled on archlinux. skipped." # sed -e s/^SELINUX=.*$/SELINUX=disabled/ -i /etc/selinux/config # setenforce 0 2>/dev/null } ############################ ## Post-Install functions ## ############################ update_qubesconfig() { # Remove old firmware updates link if [ -L /lib/firmware/updates ]; then rm -f /lib/firmware/updates fi # convert /usr/local symlink to a mount point if [ -L /usr/local ]; then rm -f /usr/local mkdir /usr/local mount /usr/local || : fi # Fix fstab update to core-agent-linux 4.0.33 grep -F -q "/rw/usrlocal" /etc/fstab || sed "/\/rw\/home/a\/rw\/usrlocal \/usr\/local none noauto,bind,defaults 0 0" -i /etc/fstab #/usr/lib/qubes/update-proxy-configs # Archlinux pacman configuration is handled in update_finalize if ! [ -r /etc/dconf/profile/user ]; then mkdir -p /etc/dconf/profile echo "user-db:user" >> /etc/dconf/profile/user echo "system-db:local" >> /etc/dconf/profile/user fi dconf update &> /dev/null || : # Location of files which contains list of protected files mkdir -p /etc/qubes/protected-files.d # shellcheck source=init/functions . /usr/lib/qubes/init/functions # qubes-core-vm has been broken for some time - it overrides /etc/hosts; restore original content if ! is_protected_file /etc/hosts ; then if ! grep -q localhost /etc/hosts; then cat < /etc/hosts 127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 $(hostname) ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 EOF fi fi # ensure that hostname resolves to 127.0.0.1 resp. ::1 and that /etc/hosts is # in the form expected by qubes-sysinit.sh if ! is_protected_file /etc/hostname ; then for ip in '127\.0\.0\.1' '::1'; do if grep -q "^${ip}\(\s\|$\)" /etc/hosts; then sed -i "/^${ip}\s/,+0s/\(\s$(hostname)\)\+\(\s\|$\)/\2/g" /etc/hosts sed -i "s/^${ip}\(\s\|$\).*$/\0 $(hostname)/" /etc/hosts else echo "${ip} $(hostname)" >> /etc/hosts fi done fi } ############################ ## Service Management Functions ## ############################ is_static() { [ -f "/usr/lib/systemd/system/$1" ] && ! grep -q '^[[].nstall]' "/usr/lib/systemd/system/$1" } is_masked() { if [ ! -L /etc/systemd/system/"$1" ] then return 1 fi target=$(readlink /etc/systemd/system/"$1" 2>/dev/null) || : if [ "$target" = "/dev/null" ] then return 0 fi return 1 } mask() { ln -sf /dev/null /etc/systemd/system/"$1" } unmask() { if ! is_masked "$1" then return 0 fi rm -f /etc/systemd/system/"$1" } preset_units() { local represet= while read -r action unit_name do if [ "$action" = "#" ] && [ "$unit_name" = "Units below this line will be re-preset on package upgrade" ] then represet=1 continue fi echo "$action $unit_name" | grep -q '^[[:space:]]*[^#;]' || continue [[ -n "$action" && -n "$unit_name" ]] || continue if [ "$2" = "initial" ] || [ "$represet" = "1" ] then if [ "$action" = "disable" ] && is_static "$unit_name" then if ! is_masked "$unit_name" then # We must effectively mask these units, even if they are static. mask "$unit_name" fi elif [ "$action" = "enable" ] && is_static "$unit_name" then if is_masked "$unit_name" then # We masked this static unit before, now we unmask it. unmask "$unit_name" fi systemctl --no-reload preset "$unit_name" >/dev/null 2>&1 || : else systemctl --no-reload preset "$unit_name" >/dev/null 2>&1 || : fi fi done < "$1" } restore_units() { grep '^[[:space:]]*[^#;]' "$1" | while read -r action unit_name do if is_static "$unit_name" && is_masked "$unit_name" then # If the unit had been masked by us, we must unmask it here. # Otherwise systemctl preset will fail badly. unmask "$unit_name" fi systemctl --no-reload preset "$unit_name" >/dev/null 2>&1 || : done } configure_systemd() { if [ "$1" -eq 1 ] then preset_units /usr/lib/systemd/system-preset/$qubes_preset_file initial changed=true else preset_units /usr/lib/systemd/system-preset/$qubes_preset_file upgrade changed=true # Upgrade path - now qubes-iptables is used instead for svc in iptables ip6tables do if [ -f "$svc".service ] then systemctl --no-reload preset "$svc".service changed=true fi done fi if [ "$1" -eq 1 ] then # First install. # Set default "runlevel". # FIXME: this ought to be done via kernel command line. # The fewer deviations of the template from the seed # image, the better. rm -f /etc/systemd/system/default.target ln -s /lib/systemd/system/multi-user.target /etc/systemd/system/default.target changed=true fi # remove old symlinks if [ -L /etc/systemd/system/sysinit.target.wants/qubes-random-seed.service ] then rm -f /etc/systemd/system/sysinit.target.wants/qubes-random-seed.service changed=true fi if [ -L /etc/systemd/system/multi-user.target.wants/qubes-mount-home.service ] then rm -f /etc/systemd/system/multi-user.target.wants/qubes-mount-home.service changed=true fi if [ "x$changed" != "x" ] then systemctl daemon-reload fi } ###################### ## Archlinux Specific Functions ## ###################### config_prependtomark() { FILE=$1 APPENDBEFORELINE=$2 APPENDLINE=$3 grep -F -q "$APPENDLINE" "$FILE" || sed "/$APPENDBEFORELINE/i$APPENDLINE" -i "$FILE" } config_appendtomark() { FILE=$1 APPENDAFTERLINE=$2 APPENDLINE=$3 grep -F -q "$APPENDLINE" "$FILE" || sed "/$APPENDAFTERLINE/a$APPENDLINE" -i "$FILE" } config_cleanupmark() { FILE="$1" BEGINMARK="$2" ENDMARK="$3" if grep -F -q "$BEGINMARK" "$FILE"; then if grep -F -q "$ENDMARK" "$FILE"; then cp "$FILE" "$FILE.qubes-update-orig" sed -i -e "/^$BEGINMARK$/,/^$ENDMARK$/{ /^$ENDMARK$/b /^$BEGINMARK$/!d }" "$FILE" rm -f "$FILE.qubes-update-orig" else echo "ERROR: found $BEGINMARK marker but not $ENDMARK in $FILE. Please cleanup this file manually." fi elif grep -F -q "$ENDMARK" "$FILE"; then echo "ERROR: found $ENDMARK marker but not $BEGINMARK in $FILE. Please cleanup this file manually." fi } update_finalize() { # Archlinux specific: If marker exists, cleanup text between begin and end marker QUBES_MARKER="### QUBES CONFIG MARKER ###" if grep -F -q "$QUBES_MARKER" /etc/pacman.conf; then config_prependtomark "/etc/pacman.conf" "# REPOSITORIES" "### QUBES CONFIG END MARKER ###" config_cleanupmark "/etc/pacman.conf" "$QUBES_MARKER" "### QUBES CONFIG END MARKER ###" # Else, add qubes config block marker else config_prependtomark "/etc/pacman.conf" "# REPOSITORIES" "$QUBES_MARKER" config_prependtomark "/etc/pacman.conf" "# REPOSITORIES" "### QUBES CONFIG END MARKER ###" fi # Include /etc/pacman.d drop-in directory config_appendtomark "/etc/pacman.conf" "$QUBES_MARKER" "Include = /etc/pacman.d/*.conf" /usr/lib/qubes/update-proxy-configs # Archlinux specific: Update pam.d configuration for su to enable systemd-login wrapper # This is required as qubes-gui agent calls xinit with su -l user without initializing properly # the user session. # pam_unix.so can also be removed from su configuration # as system-login (which include system-auth) already gives pam_unix.so # with more appropriate parameters (fix the missing nullok parameter) if grep -q pam_unix.so /etc/pam.d/su; then echo "Fixing pam.d" cp /etc/pam.d/qrexec /etc/pam.d/su-l fi # Archlinux specific: ensure tty1 is enabled rm -f /etc/systemd/system/getty.target.wants/getty@tty*.service systemctl enable getty\@tty1.service systemctl daemon-reload } ## arg 1: the new package version post_install() { update_qubesconfig # do the rest of %post thing only when updating for the first time... if [ -e /etc/init/serial.conf ] && ! [ -f /var/lib/qubes/serial.orig ] ; then cp /etc/init/serial.conf /var/lib/qubes/serial.orig fi chgrp user /var/lib/qubes/dom0-updates # Remove most of the udev scripts to speed up the VM boot time # Just leave the xen* scripts, that are needed if this VM was # ever used as a net backend (e.g. as a VPN domain in the future) #echo "--> Removing unnecessary udev scripts..." mkdir -p /var/lib/qubes/removed-udev-scripts for f in /etc/udev/rules.d/* do if [ "$(basename "$f")" == "xen-backend.rules" ] ; then continue fi if echo "$f" | grep -q qubes; then continue fi mv "$f" /var/lib/qubes/removed-udev-scripts/ done mkdir -p /rw configure_notification-daemon configure_selinux configure_systemd 0 update_finalize } ## arg 1: the new package version ## arg 2: the old package version post_upgrade() { update_qubesconfig configure_notification-daemon configure_selinux configure_systemd 1 update_finalize } ###################### ## Remove functions ## ###################### ## arg 1: the old package version pre_remove() { # no more packages left if [ -e /var/lib/qubes/fstab.orig ] ; then mv /var/lib/qubes/fstab.orig /etc/fstab fi mv /var/lib/qubes/removed-udev-scripts/* /etc/udev/rules.d/ if [ -e /var/lib/qubes/serial.orig ] ; then mv /var/lib/qubes/serial.orig /etc/init/serial.conf fi if [ "$1" -eq 0 ] ; then # Run this only during uninstall. # Save the preset file to later use it to re-preset services there # once the Qubes OS preset file is removed. mkdir -p /run/qubes-uninstall cp -f /usr/lib/systemd/system-preset/$qubes_preset_file /run/qubes-uninstall/ cp -f /usr/lib/systemd/system-preset/$qubes_preset_file /run/qubes-uninstall/ fi } ## arg 1: the old package version post_remove() { changed= if [ -d /run/qubes-uninstall ] then # We have a saved preset file (or more). # Re-preset the units mentioned there. restore_units /run/qubes-uninstall/$qubes_preset_file rm -rf /run/qubes-uninstall changed=true fi if [ "x$changed" != "x" ] then systemctl daemon-reload fi if [ -L /lib/firmware/updates ] ; then rm /lib/firmware/updates fi rm -rf /var/lib/qubes/xdg for srv in qubes-sysinit qubes-misc-post qubes-mount-dirs qubes-qrexec-agent; do systemctl disable $srv.service done }