#!/bin/sh
#
# chkconfig: 2345 99 00
# description: Executes Qubes core scripts at Dom0 boot
#
### BEGIN INIT INFO
# Provides:          qubes-core
# Required-Start:    xend
# Default-Start:     3 4 5
# Default-Stop:      0 1 2 6
# Default-Enabled:   yes
# Short-Description: Start/stop qubes-core services
# Description:       Starts and stops the qubes-core serives
### END INIT INFO

# Source function library.
. /etc/rc.d/init.d/functions

setup_dvm_files()
{
    ROOT=/var/lib/qubes/dvmdata/savefile_root
    DEFAULT=/var/lib/qubes/dvmdata/default_savefile
    if ! [ -f $DEFAULT ] ; then return ; fi
    if ! [ -f $ROOT ] ; then return ; fi
    if [ $ROOT -nt $DEFAULT ] ; then
        echo DVM require reconfiguration
        return
    fi
    if [ -f /var/lib/qubes/dvmdata/dont_use_shm ] ; then
        ln -s $DEFAULT /var/run/qubes/current_savefile
    else
    	mkdir -m 770 /dev/shm/qubes
    	chown root.qubes /dev/shm/qubes
    	cp $DEFAULT /dev/shm/qubes/current_savefile
    	chown root.qubes /dev/shm/qubes/current_savefile
    	chmod 660 /dev/shm/qubes/current_savefile
    	ln -s /dev/shm/qubes/current_savefile /var/run/qubes/current_savefile
    fi 
}

start()
{
    echo -n $"Executing Qubes Core scripts:"
    chgrp qubes /etc/xen
    chmod 710 /etc/xen
    chgrp qubes /var/run/xend
    chmod 710 /var/run/xend
    chgrp qubes /var/run/xend/xen-api.sock /var/run/xend/xmlrpc.sock
    chmod 660 /var/run/xend/xen-api.sock /var/run/xend/xmlrpc.sock
    chgrp qubes /var/run/xenstored/*
    chmod 660 /var/run/xenstored/*
    xm sched-credit -d 0 -w 65535
    printf "\x00\x00\x00\x00" > /var/run/qubes/dispVM_seq
    chown root:qubes /var/run/qubes/dispVM_seq
    chmod 660 /var/run/qubes/dispVM_seq
    xm mem-set 0 1600
    cp /var/lib/qubes/qubes.xml /var/lib/qubes/backup/qubes-$(date +%F-%T).xml
    setup_dvm_files
    /usr/lib/qubes/qmemman_daemon.py >/var/log/qubes/qmemman.log 2>/var/log/qubes/qmemman.errs & 

    MEM_CHANGE_THRESHOLD_KB=30000
    MEMINFO_DELAY_USEC=100000
    /usr/lib/qubes/meminfo-writer $MEM_CHANGE_THRESHOLD_KB $MEMINFO_DELAY_USEC &

    touch /var/lock/subsys/qubes_core
    success
    echo

}

stop()
{
    echo -n $"Shutting down all Qubes VMs:"
    NETVM=$(qvm-get-default-netvm)
    qvm-run -q --shutdown --all --wait --exclude $NETVM
    rm -f /var/lock/subsys/qubes_core
    success
    echo
}

case "$1" in
  start)
	start
	;;
  stop)
	stop
	;;
  *)
	echo $"Usage: $0 {start|stop}"
	exit 3
	;;
esac

exit $RETVAL