#!/bin/sh
#
# Description:  universal (distro independent) configuration script
#		for linux diskless clients (executed within initial
#		ramdisk) 
#
# Author(s):    Dirk von Suchodoletz <dirk@goe.net>, 17-01-2006
#		Blabla
#		Blub
#
# Copyright:    (c) 2006 - RZ Universitaet Freiburg
# 
# Version:      0.0.1b

# check for configuration files to source

# functions common for all distros
. /etc/functions
# load distro specific configuration variables and functions. distro
# specific functions may overwrite functions defined in /etc/functions
. /etc/sysconfig/config
. /etc/distro-functions
# get location of logfile definition
. /mnt/etc/${D_SYSCONFDIR}/logfile

#######################################################################
# copy distro specific scripts, programs, libraries and configs
cp -a /etc/sysconfig/files/* /mnt &

# set greeting
echo "
            WELCOME TO                       \n (\l)
                  __      __  ___  __  __   __  __   __     __
                 |  |    |  ||    |  ||  | |  ||  |_|  |   |  |
                 |  |    |  ||       ||  | |  |       /    |__|
                 |  |___ |  ||  |    ||  |_|  | /  _        __
                 |______||__||__| |__|  _____/ |__| |__|   |__|

            Diskless Workstation (v4.0)      (c) <dirk@goe.net>
">/mnt/etc/issue

#######################################################################
# read and unify configuration options - default configuration file, 
# from dhcp, ldap ...
# wait for the appearance of configuration via dhcp 
# do not wait if dhcp is not used (how?)
waitfor /tmp/dhcp-done 10000 || error "  Did not get any configuration \
data via dhcp until now ..." nonfatal
waitfor /tmp/ldap-done 10000 || error "  Did not get any configuration \
data via dhcp until now ..." nonfatal
. /etc/machine-setup

#######################################################################
# set localization
if [ -z "$country" ] ; then
  msg "servconfig" "No configuration for localization found in config file. \
Using default\ncountry setting '${D_DEFAULTCOUNTRY}' defined in $0."
  country=${D_DEFAULTCOUNTRY}
fi
localization $country

#######################################################################
# dns and ip configuration
# hostname of the machine
echo "$host_name" >/proc/sys/kernel/hostname
echo -e "# /etc/hosts - file generated by\n#\t$0:\n#\t$date\
\n#\n# IP-Address  Full-Qualified-Hostname  Short-Hostname\n#\n\
127.0.0.1\tlocalhost\n::1\t\tlocalhost ipv6-localhost ipv6-loopback\n\
fe00::0\t\tipv6-localnet\nff00::0\t\tipv6-mcastprefix\nff02::1\
\t\tipv6-allnodes\nff02::2\t\tipv6-allrouters\nff02::3\t\t\
ipv6-allhosts\n" >/mnt/etc/hosts
echo -e "$clientip\t$host_name.$domain $host_name\n" >>/mnt/etc/hosts

# set up domainname and resolving
test -n "$domain_name" && \
  echo -e "# /etc/resolv.conf - file generated by\n#\t$0:\n\
#\t$date\n#options timeout:1 attempts:1 rotate\n\
search "$domain_name >/mnt/etc/resolv.conf
test -n "$domain_name_servers" && {
  for nameserver in $domain_name_servers; do
    echo nameserver $nameserver >>/mnt/etc/resolv.conf;
  done; }

#######################################################################
# initial boot scripts
# delete and create runlevel links for initial booting (SuSE, Debian,
# ...)
case ${DISTRO} in
  suse*)
    ${SUSESPECIFICSUBDIR} = "boot.d/"
  ;;
esac
case ${DISTRO} in
  suse*|debian*|ubuntu*)
    for i in ${D_RCDIRS} ${D_INITBOOTD} ; do
      rm -f /mnt/etc/$i/*
    done
    count=10
    for i in ${D_INITSCRIPTS}; do 
      count=`expr $count + 1`
      revcnt=`expr 41 - $count`
      ln -sf /etc${D_INITDIR}/$i /mnt/etc/init.d/${SUSESPECIFICSUBDIR}S${count}$i
      ln -sf /etc${D_INITDIR}/$i /mnt/etc/init.d/${SUSESPECIFICSUBDIR}K${revcnt}$i
    done
  ;;
  gentoo*)
  ;;
esac


#######################################################################
# 
# boot.local
if [ -n "$bootlocal_script" ]; then
  echo -e "# entries added by $0:\n#\t$date\n\n\
$bootlocal_script" >> /mnt/etc/${D_INITDIR}/boot.local
fi

#######################################################################
# basic (non network) services

# at daemon - calling distro specific function config_atd
config_atd "14" "04"

# configuration of cron services - calling distro specific function 
# config_cron (runlevel links, directories, ...)
[ "x$crontab_entries" != "x" ] && \
    echo -e "$crontab_entries" >> /mnt/etc/crontab
config_cron "16" "04"

# setup system log services - distro dependent function config_syslog
config_syslog "02" "20"

# configure dbus - distro dependent function config_dreshal - handle all
# stuff regarding dependent services like dbus, resmgr, hal ...
# (check for runlevel scripts, passwd entries, directories ...)
config_dreshal "03" "18"

# acpi and powersave - distro dependent function config_acpi
config_acpi "10" "12"

#######################################################################
# network(ed) services

# network time service (ntp) configuration file
if [ -n "$ntp_servers" ]; then
  echo -e "# /etc/ntp.conf - file generated by $0: \
$date\n" >/mnt/etc/ntp.conf;
  for ntpserver in $ntp_servers; do
    echo server $ntpserver >>/mnt/etc/ntp.conf;
  done
fi
# copy timezone file defined with language settings
[ -z "$TZ" ] && TZ="$timezone"
cp /mnt/usr/share/zoneinfo/${TZ} /mnt/etc/localtime 2>/dev/null || \
  error "  No such timezone data file (needed for ntp time service \
configuration)." nonfatal
config_ntp 07 14

# secure shell server
config_sshd 12 10

# simple network management protocol agent
config_snmp 24 02

#######################################################################
# X11/GUI stuff
if [ "x$start_x" != "xno" ] ; then
  # creating directories commonly needed for X11 in all distros
  # rest should be done via config_x11 function (distro specific)
  for i in /var/lib/xkb/ \
           /etc/X11/xdm \
           /etc/X11/sessions \
           /var/X11R6/bin \
           /tmp/.ICE-unix \
           /tmp/.X11-unix; do testmkd /mnt/$i; done
  chmod a+rwxt /mnt/tmp/.ICE-unix 
  chmod a+rwxt /mnt/tmp/.X11-unix
  echo "" > /mnt/etc/X11/xdm/Xservers
  # define additional sessions offered to the user (via dhcp/ldap config)
  descsession
  # write available X display manager to /etc/X11/xdm/Xaccess
  [ -n "$x_display_manager" ] && \
  echo -e "# /etc/X11/xdm/Xaccess - file generated by $0: \
$date\n*\n%hostlist\t$x_display_manager\n*\t\tCHOOSER %hostlist"\
    >/mnt/etc/X11/xdm/Xaccess
  
  # define type of X session
  dsx="no"
  init="#7:5:respawn:/usr/X11R6/bin/X vt7 -quiet"
  case "$start_x" in
    yes|YES|direct|DIRECT|query|QUERY)
      # direct connection onto the own displaymanager, which
      # should be enabled then
      [ "x$start_xdmcp" = "xno" ] && $start_xdmcp="yes"
      init=""
      dsx="yes"
      xdmcp="false"
      echo -e "# /etc/X11/Xservers - file generated by \
$0: $date\n:0 local /usr/X11R6/bin/X :0 vt07\n" >/mnt/etc/X11/xdm/Xservers
    ;;
    broadcast|BROADCAST)
      # the client will XDMCP broadcast and choose first available
      # X11 server
      [ "x$start_xdmcp" = "xgdm" ] || init="$init -broadcast"
    ;;
    indirect|INDIRECT)
      # the client will try to XDMCP connect list of X11 servers
      if [ "x$start_xdmcp" = "xgdm" ] ; then
        init=""
      else
        init="$init -indirect $host_name"
      fi
      [ "x$start_xdmcp" = "xno" ] && start_xdmcp="yes"
      xdmcp="true"
    ;;
    *)
      # fixme!! not optimal for fast start
      # no display manager needed in kiosk mode
      # in this mode you have to provide the type of X session to start
      [ x$start_xdmcp != "x" ] || start_xdmcp="no";
      init="#7:5:respawn:/var/X11R6/bin/kiosk /dev/tty7"
      echo -e "#!/bin/sh\n# /var/X11R6/bin/kiosk - file generated by $0: \
$date\nresmgr login nobody tty7\nresmgr grant nobody desktop\n\
chown nobody /dev/dsp*\n\
su -c 'xinit /etc/init.d/startgui $start_x -- vt7 -quiet' -l nobody &>/dev/null\n\
resmgr revoke nobody\nresmgr logout tty7\nkillall X\nsleep 2" \
        >/mnt/var/X11R6/bin/kiosk
      chmod a+x /mnt/var/X11R6/bin/kiosk &
    ;;
  esac
  # enable runlevel 5 (X11 gui under SuSE linux)
  #      grep -v -e "7:[35]" /etc/inittab > /etc/inittab.new
  #      [ -z "$init" ] || {
  echo -e "# entry made by $0 $date\n$init" >> /mnt/etc/inittab
fi

# setup requested display manager
if [ "x$start_xdmcp" != "xno" ] ; then
  testmkd /mnt/var/lib/xdm/authdir/authfiles
  testmkd /mnt/var/run/xdmctl
  if [ "$start_xdmcp" = "yes" ] ; then
    start_xdmcp=kdm
  fi
  # just ensure lowercase
  start_xdmcp=`echo $start_xdmcp|sed -e "y/'KGWXDM'/'kgwxdm'/"`
  case "$start_xdmcp" in
    wdm)
      # anywhere in use!?
    ;;
    kdm)
      # config is most probably not common in all distros?
      # distro specific function config_kdm
      config_kdm
    ;;
    gdm)
      # config is most probably not common in all distros?
      # distro specific function config_gdm
      config_gdm
    ;;
    *)
      # setup xdm (should be the same over the several distros)
      echo -e "# /etc/X11/xdm/xdm-config - file generated by\n\
#\t$0: $date\n\nDisplayManager.errorLogFile:\t/var/log/xdm.errors\n\
DisplayManager.pidFile:\t\t/var/run/xdm.pid\n\
DisplayManager.authDir:\t\t/var/lib/xdm\n\
DisplayManager.keyFile:\t\t/etc/X11/xdm/xdm-keys\n\
DisplayManager.servers:\t\t/etc/X11/xdm/Xservers\n\
DisplayManager.accessFile:\t/etc/X11/xdm/Xaccess\n\
DisplayManager.willing:\t\tsu nobody -c /etc/X11/xdm/Xwilling\n\
DisplayManager.*.authName:\tMIT-MAGIC-COOKIE-1\n\
DisplayManager.*.authComplain:\tfalse\n\
DisplayManager.*.setup:\t\t/etc/X11/xdm/Xsetup\n\
DisplayManager.*.chooser:\t/etc/X11/xdm/RunChooser\n\
DisplayManager.*.startup:\t/etc/X11/xdm/Xstartup\n\
DisplayManager.*.session:\t/etc/X11/xdm/Xsession\n\
DisplayManager.*.reset:\t\t/etc/X11/xdm/Xreset" >/mnt/etc/X11/xdm/xdm-config
      [ "$xdmcp" = "false" ] && echo -e \
      "DisplayManager.requestPort:\t0\n" >>/mnt/etc/X11/xdm/xdm-config
      # distro specific function config_xdm (at least for runlevel links)
      config_xdm
    ;;
  esac
fi

#######################################################################
# NIS
# setup nis configuration if needed
if [ "x$nis_domain" != "x" ] && [ "x$nis_servers" != "x" ] ; then
  echo $nis_domain >/mnt/etc/defaultdomain
  echo -e "# /etc/yp.conf - file generated by $0:\n\
#\t$date\n\nypserver "$nis_servers >/mnt/etc/yp.conf
  # should be last in passwd file
  strinfile "+::::::" /mnt/etc/passwd || echo "+::::::" >>/mnt/etc/passwd
fi

echo "finished" > /tmp/svcfg