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+#!/bin/sh
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+### BEGIN INIT INFO
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+# Provides: qubes-core-agent
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+# Required-Start: $network $local_fs $remote_fs
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+# Required-Stop:
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+# Default-Start: 2 3 4 5
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+# Default-Stop: 0 1 6
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+# Short-Description: Qubes qrexec agent
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+# Description: The qrexec agent runs in qubes domU domains. It runs
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+# commands on request from dom0.
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+### END INIT INFO
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+
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+# Author: Davíð Steinn Geirsson <david@dsg.is>
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+# Most of this script is copied from vm-init.d/qubes-core with
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+# some fedora-specific stuff removed.
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+
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+# PATH should only include /usr/* if it runs after the mountnfs.sh script
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+PATH=/sbin:/usr/sbin:/bin:/usr/bin
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+DESC=qrexec-agent
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+NAME=qrexec-agent
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+DAEMON=/usr/lib/qubes/qrexec-agent
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+DAEMON_ARGS=""
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+PIDFILE=/var/run/$NAME.pid
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+SCRIPTNAME=/etc/init.d/$NAME
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+
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+# Exit if the package is not installed
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+[ -x $DAEMON ] || exit 0
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+
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+# Read configuration variable file if it is present
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+[ -r /etc/default/$NAME ] && . /etc/default/$NAME
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+
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+# Load the VERBOSE setting and other rcS variables
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+. /lib/init/vars.sh
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+
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+# Define LSB log_* functions.
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+# Depend on lsb-base (>= 3.0-6) to ensure that this file is present.
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+. /lib/lsb/init-functions
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+
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+#
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+# Function that starts the daemon/service
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+#
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+do_start()
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+{
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+ # Return
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+ # 0 if daemon has been started
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+ # 1 if daemon was already running
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+ # 2 if daemon could not be started
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+
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+ # Ensure necessary modules are loaded
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+ modprobe xen_evtchn
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+ modprobe u2mfn
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+
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+
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+ # Set permissions to /proc/xen/xenbus, so normal user can use xenstore-read
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+ chmod 666 /proc/xen/xenbus
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+ # Set permissions to files needed to listen at vchan
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+ chmod 666 /proc/u2mfn
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+
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+ mkdir -p /var/run/xen-hotplug
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+
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+ name=$(/usr/sbin/xenstore-read name)
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+ if ! [ -f /etc/this-is-dvm ] ; then
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+ # we don't want to set hostname for DispVM
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+ # because it makes some of the pre-created dotfiles invalid (e.g. .kde/cache-<hostname>)
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+ # (let's be frank: nobody's gonna use xterm on DispVM)
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+ if ! [ -z "$name" ]; then
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+ echo $name > /etc/hostname
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+ hostname $name
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+ grep '127.0.1.1' /etc/hosts > /dev/null
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+ if [ $? -ne 0 ]; then
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+ echo "127.0.1.1 $name" >> /etc/hosts
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+ else
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+ sed -i "s/127\.0\.1\.1.*/127.0.1.1 $name/" /etc/hosts
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+ fi
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+ fi
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+ fi
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+
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+ timezone=`/usr/sbin/xenstore-read qubes-timezone 2> /dev/null`
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+ if [ -n "$timezone" ]; then
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+ ln -f /usr/share/zoneinfo/$timezone /etc/localtime
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+ fi
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+
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+ # Set IP address again (besides action in udev rules); this is needed by
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+ # DispVM (to override DispVM-template IP) and in case when qubes-ip was
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+ # called by udev before loading evtchn kernel module - in which case
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+ # xenstore-read fails
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+ INTERFACE=eth0 /usr/lib/qubes/setup-ip
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+
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+ mkdir -p /var/run/qubes
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+
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+ if [ -e /dev/xvdb ] ; then
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+ resize2fs /dev/xvdb 2> /dev/null || echo "'resize2fs /dev/xvdb' failed"
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+ mount /rw
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+
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+ if ! [ -d /rw/home ] ; then
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+ echo
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+ echo "--> Virgin boot of the VM: Linking /home to /rw/home"
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+
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+ mkdir -p /rw/config
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+ touch /rw/config/rc.local
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+
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+ mkdir -p /rw/home
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+ cp -a /home.orig/user /rw/home
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+
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+ mkdir -p /rw/usrlocal
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+ cp -a /usr/local.orig/* /rw/usrlocal
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+
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+ touch /var/lib/qubes/first-boot-completed
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+ fi
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+ fi
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+ if [ -L /home ]; then
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+ rm /home
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+ mkdir /home
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+ fi
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+ mount /home
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+
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+ [ -x /rw/config/rc.local ] && /rw/config/rc.local
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+
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+
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+ start-stop-daemon --start --quiet -b --pidfile $PIDFILE --exec $DAEMON --test > /dev/null \
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+ || return 1
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+ start-stop-daemon --start --quiet -b --pidfile $PIDFILE --exec $DAEMON -- \
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+ $DAEMON_ARGS \
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+ || return 2
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+ # Add code here, if necessary, that waits for the process to be ready
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+ # to handle requests from services started subsequently which depend
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+ # on this one. As a last resort, sleep for some time.
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+}
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+
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+do_stop()
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+{
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+ # Return
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+ # 0 if daemon has been stopped
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+ # 1 if daemon was already stopped
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+ # 2 if daemon could not be stopped
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+ # other if a failure occurred
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+ start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE --name $NAME
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+ RETVAL="$?"
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+ [ "$RETVAL" = 2 ] && return 2
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+ # Wait for children to finish too if this is a daemon that forks
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+ # and if the daemon is only ever run from this initscript.
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+ # If the above conditions are not satisfied then add some other code
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+ # that waits for the process to drop all resources that could be
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+ # needed by services started subsequently. A last resort is to
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+ # sleep for some time.
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+ start-stop-daemon --stop --quiet --oknodo --retry=0/30/KILL/5 --exec $DAEMON
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+ [ "$?" = 2 ] && return 2
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+ # Many daemons don't delete their pidfiles when they exit.
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+ rm -f $PIDFILE
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+ return "$RETVAL"
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+}
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+
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+#
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+# Function that sends a SIGHUP to the daemon/service
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+#
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+do_reload() {
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+ #
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+ # If the daemon can reload its configuration without
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+ # restarting (for example, when it is sent a SIGHUP),
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+ # then implement that here.
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+ #
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+ start-stop-daemon --stop --signal 1 --quiet --pidfile $PIDFILE --name $NAME
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+ return 0
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+}
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+
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+case "$1" in
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+ start)
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+ [ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC " "$NAME"
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+ do_start
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+ case "$?" in
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+ 0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
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+ 2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
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+ esac
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+ ;;
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+ stop)
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+ [ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
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+ do_stop
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+ case "$?" in
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+ 0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
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+ 2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
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+ esac
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+ ;;
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+ status)
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+ status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
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+ ;;
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+ #reload|force-reload)
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+ #
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+ # If do_reload() is not implemented then leave this commented out
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+ # and leave 'force-reload' as an alias for 'restart'.
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+ #
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+ #log_daemon_msg "Reloading $DESC" "$NAME"
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+ #do_reload
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+ #log_end_msg $?
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+ #;;
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+ restart|force-reload)
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+ #
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+ # If the "reload" option is implemented then remove the
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+ # 'force-reload' alias
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+ #
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+ log_daemon_msg "Restarting $DESC" "$NAME"
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+ do_stop
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+ case "$?" in
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+ 0|1)
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+ do_start
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+ case "$?" in
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+ 0) log_end_msg 0 ;;
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+ 1) log_end_msg 1 ;; # Old process is still running
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+ *) log_end_msg 1 ;; # Failed to start
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+ esac
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+ ;;
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+ *)
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+ # Failed to stop
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+ log_end_msg 1
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+ ;;
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+ esac
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+ ;;
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+ *)
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+ #echo "Usage: $SCRIPTNAME {start|stop|restart|reload|force-reload}" >&2
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+ echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload}" >&2
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+ exit 3
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+ ;;
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+esac
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+
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+:
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