# Copyright (c) 2003..2006 - RZ Uni Freiburg
# Copyright (c) 2006..2010 - OpenSLX GmbH
#
# This program/file is free software distributed under the GPL version 2.
# See http://openslx.org/COPYING
#
# If you have any feedback please consult http://openslx.org/feedback and
# send your feedback to feedback@openslx.org
#
# General information about OpenSLX can be found under http://openslx.org
#
# Configuration script for general Ubuntu to configure OpenSLX Linux
# stateless clients (executed within initial ramdisk after genconfig) 

# distro specific configuration variables used in the setup functions
# (formerly done via config-*, these variables are disputable ...)
# D_ETCEXCL - list of files, wildcards to be excluded from /etc when using 
# bind mounts
# D_DIRINBINDMNT - lists of directories to be created in bind mounted rw part
# of the client filesystem
# D_RODIRSINRW - ReadOnly Directories in RW part of filesystem to save on 
# TempFS usage
# D_DIRINDXS - directories in client filesystem which should be present anyhow
D_BINDMPTS="tmp root home media"
D_DIRINBINDMNT="/var/run /var/log /var/tmp /var/lib/gdm"
D_RODIRSINRW="/etc/X11/xkb /var/lib/gconf /var/lib/dpkg /var/lib/aspell \
/var/lib/pango /var/lib/defoma /var/cache/fontconfig /var/lib/dkms"
D_DIRINDXS="/var/run/sysconfig/tmp /var/lib/nobody /var/lib/misc /var/lib/pam \
/var/lib/bluetooth /var/lib/texmf /var/lib/nfs/sm /var/lib/acpi_support \
/var/spool/cron /var/lib/alsa"

# distro specific function called from servconfig script
config_distro () {
  # runlevel system changed significantly compared to pre 9.10 sys-v-init
  # clean up nevertheless
  for dir in rc0.d rc1.d rc2.d rc3.d rc4.d rc5.d rc6.d rcS.d ; do
    rm -rf /mnt/etc/${dir}/*
  done
  # remove unneeded init scripts (stuff handled in stage3 which would
  # interface with already existing setup)
  for file in bridge-network-interface.conf hostname.conf network*conf ;
    do rm /mnt/init/${file} >/dev/null 2>&1
  done

  # add the halt link to the 0 and 6 runlevel directories and other useful
  # links
  ln -sf ../init.d/halt /mnt/etc/rc0.d/S90halt
  ln -sf ../init.d/reboot /mnt/etc/rc6.d/S90reboot
  ln -sf ../init.d/single /mnt/etc/rc1.d/S90single
  for dir in rc2.d rc3.d rc4.d rc5.d; do
    ln -sf ../init.d/rc.local /mnt/etc/${dir}/S99rc.local
  done

  # remove annoying udev rule set for changing eth interface and cd/dvds
  rm /mnt/etc/udev/rules.d/*persistent*.rules >/dev/null 2>&1

  # for screen sessions
  testmkd /mnt/var/run/screen root:utmp 0775

  # add the slx specific path (/var/opt/openslx/bin) to the PATH variable
  echo -e "# stuff generated by $0 (out of InitRamFS written $date)\n\
export PATH=\"\$PATH:/var/opt/openslx/bin\"" >>/mnt/etc/profile
}

# initial boot looks different since ubuntu upstart
initial_boot () {
  :
}

# set up localization like keytable, console
dlocale () {
# fixme -- use keytable setup script here
# echo -e "\t# entries added by $0: $date" >> /mnt/etc/init.d/boot.slx
sed -e "1i# File modified during SLX stage3 bootup (config_distro)" \
    -e "s/LANG.*/LANG=\"${LANG}\"/" -i /mnt/etc/default/locale
}

# function for ntp configuration
config_ntp () {
if [ -f /mnt/etc/init.d/ntp -a "x$start_ntp" != "xno" ] ; then
  echo -e "ntp:x:74:65534:NTP daemon:/var/lib/ntp:/bin/false" \
    >>/mnt/etc/passwd
  testmkd /mnt/var/lib/ntp/var/run/ntp
  :
fi
}
# function for atd
config_atd () {
if [ "x$start_atd" = "xyes" ]; then
  # testmkd /mnt/var/spool/atjobs
  # testmkd /mnt/var/spool/atspool
  # chown 1:1 /mnt/var/spool/atjobs /mnt/var/spool/atspool
  :
fi
}
# function for configuration of cron services (fixme: to be moved to a plugin?)
config_cron () {
if [ "x$start_cron" = "xyes" ] ; then
  if [ -f /mnt/etc/init.d/cron ] ; then
    :
    # fixme! check for proper permissions!
    testmkd /mnt/var/spool/crontabs
    echo -e "# /etc/crontab - file generated by $0:\n\
#\t$date\nSHELL=/bin/sh\nPATH=/usr/bin:/usr/sbin:/sbin:/bin:/usr/lib/news/bin\
\nMAILTO=\n-*/15 * * * *\troot\ttest -x /usr/lib/cron/run-crons && \
/usr/lib/cron/run-crons >/dev/null 2>&1\n" >/mnt/etc/crontab
  else
    error "$df_errcron" nonfatal
  fi 
fi
}
# secure shell service
config_sshd () {
if [ "x$start_sshd" = "xyes" ] ; then
  if [ -f /mnt/etc/init.d/ssh ] ; then
    #testmkd /mnt/var/run/sshd
    :
  else
    error "$df_errsshd" nonfatal
  fi
fi
}
# snmp agent for remote monitoring
config_snmp () {
if [ "x$start_snmp" = "xyes" ] ; then
  if [ -f /mnt/etc/init.d/snmpd ] ; then
    :
    testmkd /mnt/var/lib/net-snmp
  fi
    # fixme!!
    # write service monitor depending on services started
  fi
}
# acpi and powersave
config_acpi () {
  :
  #Commented out since battery checking is only useful for Notebooks
  #rllinker "acpi-support" 99 2
}
# configure hal, dbus, policykitd and services like that
config_dreshal () {
if [ "x$start_dreshal" = "xyes" ]; then
  testmkd /mnt/var/lib/dbus
  testmkd /mnt/var/lib/misc
  testmkd /mnt/var/cache/hald
  touch /mnt/var/lib/misc/PolicyKit.reload
  chown root:polkituser /mnt/var/lib/misc/PolicyKit.reload
  rm -rf /mnt/etc/dbus-1/system.d/*etwork*anager.conf \
         /mnt/etc/dbus-1/system.d/nm-* \
         /mnt/etc/dbus-1/event.d/*NetworkManager*
  sed -i /mnt/etc/PolicyKit/PolicyKit.conf \
      -e "s/\(<\/config>\)/    @@new@@\n\1/" \
      -e "s/@@new@@/<match action=\"@@action@@\">\n@@return@@\n    <\/match>/" \
      -e "s/@@action@@/org.freedesktop.hal.storage.mount-removable/" \
      -e "s/@@return@@/        <return result=\"yes\"\/>/"
  sed -i /mnt/etc/dbus-1/system.d/hal.conf \
      -e "s/^\([^d]*\)deny\(.*Volume.*\)/\1allow\2/"
  :
  :
  if [ ! -e /mnt/etc/init.d/policykit ] ; then
    testmkd /mnt/var/lib/PolicyKit root:polkituser 1770
    testmkd /mnt/var/lib/PolicyKit-public root:polkituser
  else
    :
  fi
fi
}

# initialize boot.slx - skript to be executed during early system startup
# (before most of the normal boot init scripts)
# this script should operate like a normal runlevel script (fixme!!)
d_mkrlscript () {
local switch="$1"
local name="$2"
local info="$3"
# ToDo: needs to be adapted to upstart mechanism
case "$switch" in
  init)
    echo -e "#!/bin/sh\n# skeleton of /etc/init.d/$name written \
from $0\n# after you applied changes to the creation scripts you have to \
rerun\n# the mkdxsinitrd script to get them applied\n\n\
. /lib/lsb/init-functions\n" >/mnt/etc/init.d/$name
    echo -e "\n\ncase \"\$1\" in\n    start)\n\tlog_begin_msg \"$info\"" \
      >>/mnt/etc/init.d/$name
    chmod u+x /mnt/etc/init.d/$name
  ;;
  entry)
    echo -e "\t${info}" >>/mnt/etc/init.d/${name}
  ;;
  close)
    echo -e "\tlog_end_msg 0\n\t;;\n    stop)\n\t;;\nesac\nexit 0" \
      >>/mnt/etc/init.d/$name
  ;;
esac
}
# configure automounter
config_automount () {
if [ -f /mnt/etc/init.d/autofs ] ; then
  testmkd /mnt/var/lock/subsys
  sed -e "1i# /etc/default/autofs - file modified by\n#\t$0:\n#" \
      -e "s,TIMEOUT.*,TIMEOUT=60," -i /mnt/etc/default/autofs
  config_portmap
fi
}
# start portmapper (needed at least for nfsN and nis services)
config_portmap () {
  :
}
# start NIS (fixme - does the service is really named ypbind??)
config_nis () {
  if [ -f /mnt/etc/init.d/ypbind ] ; then
    config_portmap
    testmkd /mnt/var/yp/nicknames
  else
    error "$df_erryp" nonfatal
  fi
}
# name service caching daemon (useful in most cases)
config_nscd () {
  if [ -f /mnt/etc/init.d/nscd ] ; then
    testmkd /mnt/var/cache/nscd
  fi
}