#!/bin/sh
#
# rc.sysinit
#
# This script will setup the environment for a diskless workstation, as
# part of the Linux Terminal Server Project (http://www.LTSP.org)
#

#######################################################################
## If the IP of your server is NOT 192.168.1.11 then you need to change
## the IP below to fit your network.

SERVER_IP="192.168.1.11"

#######################################################################


#######################################################################
## If your Folding@Home directories are NOT stored in /opt/fah then you
## need to change the path below to fit your configuration.

FAH_ROOT="/opt/fah"

######################################################################
## No editing of the script should be required beyond this line.
######################################################################

PATH=/bin:$PATH; export PATH
. /etc/ltsp_functions

/sbin/devfsd /dev

#
# Mount /proc before /tmp, so that we can display the progress
#
#
# Un-mount the initrd, to free up some space
#
umount /oldroot >/dev/null 2>&1

echo "Mounting /proc filesystem"
mount -n -t proc /proc /proc

#
# Make sure the lts.conf file exists
#
if [ ! -f /etc/lts.conf ]; then
  echo
  echo "Could not find lts.conf file!"
  echo
  echo "Perhaps you haven't run ltspcfg yet"
  echo
  read
  exit 1
fi
  
#
# Get the options for this workstation
# This will set environment variables for all of the parameters
#
eval `/bin/getltscfg -a`

#
# Create and mount the ramdisk as the /tmp filesystem This
# is the only place we can write files, because everything else
# is read-only.
#

pr_set 67 "Creating Ramdisk"

echo "Creating ramdisk on /tmp"
RAMDISK_SIZE=${RAMDISK_SIZE:-"1024"}
/sbin/mke2fs -q -m0 /dev/ram1 ${RAMDISK_SIZE}
/bin/mount -n /dev/ram1 /tmp

#
# A place to store information that is retrieved by ltspinfod
#
mkdir /tmp/info

#
# Find out if we want to allow local applications
#

pr_set 68 "Checking for Local Apps"

LOCAL_APPS=${LOCAL_APPS:-"N"}

if [ "${LOCAL_APPS}" = "Y" ]; then
    if [ ! -d /home ]; then
        pr_warn
        echo
        echo "WARNING! You have Local apps enabled in lts.conf, but"
        echo "         you don't have the local_apps package loaded"
        echo "         Local apps will be disabled."
        echo
        LOCAL_APPS="N"
    fi
fi
reg_info LOCAL_APPS

#
# Find out if we want to swap via NFS
#
USE_NFS_SWAP=${USE_NFS_SWAP:-"N"}
reg_info USE_NFS_SWAP

pr_set 70 "Setting Hostname"

HOSTNAME=`hostname`
echo "Current hostname: ${HOSTNAME}"
reg_info HOSTNAME

################################################################################
#
# Get the IP address of the default server.  This is used for XDM_SERVER,
# TELNET_HOST and SYSLOG_HOST if any of them are not set explicitly.
#
DEFAULT_SERVER=${SERVER:-${SERVER_IP}}
reg_info DEFAULT_SERVER

>/tmp/mtab

################################################################################
#
# Load some kernel modules
#

pr_set 71 "Loading Modules"

SERIAL_MOD_LOADED="N"
PARALLEL_MOD_LOADED="N"
PRINTER_MOD_LOADED="N"

KERNEL_VERSION=`cut -d " " -f3 /proc/version`
MODULE_DIR=/lib/modules

for i in 01 02 03 04 05 06 07 08 09 10; do
    MODVAR=MODULE_${i}
    MODULE=${!MODVAR}
    if [ -n "${MODULE}" ]; then
        if [ "${MODULE}" = "serial" ]; then
            SERIAL_MOD_LOADED="Y"
        fi
        if [ "${MODULE}" = "lp" ]; then
            PARALLEL_MOD_LOADED="Y"
        fi
        if [ "${MODULE}" = "printer" ]; then
            PRINTER_MOD_LOADED="Y"
        fi
        case "${MODULE}" in

            /*)  # If it starts with a slash, we use insmod
                 #
                 MODULE_PATH="${MODULE_DIR}/${KERNEL_VERSION}${MODULE}"
                 /sbin/insmod ${MODULE_PATH}
                 ERR=$?
                 if [ ${ERR} -ne 0 ]; then
                     pr_fail
                     echo
                     echo "ERROR! loading module: ${MODULE} failed !"
                     echo
                     echo -n "Press <enter> to continue "
                     read CMD
                     exit
                 fi
                 ;;

            *)   # Otherwise, we use modprobe
                 #
                 echo "Loading: ${MODULE}"
                 /sbin/modprobe ${MODULE}
                 ERR=$?
                 if [ ${ERR} -ne 0 ]; then
                     pr_fail
                     echo
                     echo "ERROR! loading module: ${MODULE} failed !"
                     echo
                     echo -n "Press <enter> to continue "
                     read CMD
                     exit
                 fi
                 ;;
        esac
    fi
done

reg_info KERNEL_VERSION

TYPE_0=${PRINTER_0_TYPE}
TYPE_1=${PRINTER_1_TYPE}
TYPE_2=${PRINTER_2_TYPE}

reg_info TYPE_0
reg_info TYPE_1
reg_info TYPE_2

SERIAL_MOD_NEEDED="N"
if [ "${TYPE_0}" = "S" \
  -o "${TYPE_1}" = "S" \
  -o "${TYPE_2}" = "S" ]; then
    SERIAL_MOD_NEEDED="Y"
else
    case "${X_MOUSE_DEVICE}" in
        /dev/ttyS*) SERIAL_MOD_NEEDED="Y"
                    ;;
    esac
fi
  
if [ "${TYPE_0}" = "P" \
  -o "${TYPE_1}" = "P" \
  -o "${TYPE_2}" = "P" ]; then
    PARALLEL_MOD_NEEDED="Y"
fi

if [ "${TYPE_0}" = "U" \
  -o "${TYPE_1}" = "U" \
  -o "${TYPE_2}" = "U" ]; then
    PRINTER_MOD_NEEDED="Y"
fi

#
# Now, see if we need to load the serial or parallel driver modules
#
if [ "${SERIAL_MOD_NEEDED}" = "Y" -a "${SERIAL_MOD_LOADED}" != "Y" ]; then
    modprobe serial
fi

if [ "${PARALLEL_MOD_NEEDED}" = "Y" -a "${PARALLEL_MOD_LOADED}" != "Y" ]; then
    modprobe lp
fi

if [ "${PRINTER_MOD_NEEDED}" = "Y" -a "${PRINTER_MOD_LOADED}" != "Y" ]; then
    modprobe printer
fi

################################################################################
#
# Setup the resolv.conf file
#

pr_set 72 "Setting up resolv.conf"

if [ "${SEARCH_DOMAIN}" != "" ]; then
    echo "search ${SEARCH_DOMAIN}"   >/tmp/resolv.conf
fi

DNS_SERVER=${DNS_SERVER:-${DEFAULT_SERVER}}
echo "nameserver ${DNS_SERVER}"   >>/tmp/resolv.conf
reg_info DNS_SERVER

NFS_SERVER=${NFS_SERVER:-${DEFAULT_SERVER}}
reg_info NFS_SERVER

################################################################################
#
# Setup swap
#
if [ "${USE_NFS_SWAP}" = "Y" ]; then
    pr_set 73 "Checking for NFS swap"
    modprobe nfsswap
    mkdir /tmp/swapfiles
    IPADDR=`ifconfig eth0 | sed -n '/addr:/p' | cut -f2 -d: | cut -f1 -d" "`
    SWAPFILE=/tmp/swapfiles/${IPADDR}.swap
    SWAP_SERVER=${SWAP_SERVER:-${NFS_SERVER}}
    NFS_SWAPDIR=${NFS_SWAPDIR:-"/var/opt/ltsp"}
    pr_set 74 "Mounting swapfiles directory"
    echo "Mounting swapfiles directory"
    mount -t nfs -o rsize=2048,wsize=2048,nolock     \
          ${SWAP_SERVER}:${NFS_SWAPDIR}/swapfiles   \
          /tmp/swapfiles
    ERR=$?
    if [ ${ERR} -ne 0 ]; then
        pr_set 74 "Mounting of swap filesystem failed, err=${ERR}"
        pr_fail
        echo "Mounting of swap filesystem failed, err=${ERR}"
        echo "Attempted to NFS mount ${SWAP_SERVER}:${LTSP_SWAPDIR}"
        echo -n "Press <enter> to continue "
        read CMD
        exit
    else
        pr_set 75 "Preparing swapfile"
        SWAPFILE_SIZE=${SWAPFILE_SIZE:-"64m"}
        reg_info SWAPFILE_SIZE
        /sbin/prep_swap -s ${SWAPFILE_SIZE} -f ${SWAPFILE}
        ERR=$?
        if [ ${ERR} -ne 0 ]; then
            pr_set 75 "Error creating swapfile, ERR=${ERR}"
            pr_fail
            echo "Error creating swapfile, ERR=${ERR}"
            echo -n "Press <enter> to continue "
            read CMD
            exit
        fi
        pr_set 80 "Formatting Swapfile"
        mkswap ${SWAPFILE}
        ERR=$?
        if [ ${ERR} -ne 0 ]; then
            pr_set 80 "Error running mkswapswapfile, ERR=${ERR}"
            pr_fail
            echo "Error running mkswapswapfile, ERR=${ERR}"
            echo -n "Press <enter> to continue "
            read CMD
            exit
        fi
        pr_set 83"Enabling swap via NFS"
        echo "Enabling swap via NFS"
        swapon ${SWAPFILE}
        ERR=$?
        if [ ${ERR} -ne 0 ]; then
            pr_set 83 "swapon failed, ERR=${ERR}"
            pr_fail
            echo "swapon failed, ERR=${ERR}"
            echo
            echo "Are you sure the NFS/Swap patch has "
            echo "been applied to the workstation kernel?"
            echo
            echo -n "Press <enter> to continue "
            read CMD
            exit
        fi
    fi
fi

################################################################################
#
# Mount filesystems
#

if [ "${LOCAL_APPS}" = "Y" ]; then
    pr_set 85 "Mounting the Folding@Home working directory..."
    echo "Mounting the Folding@Home working directory..."
    mount -t nfs -o nolock ${NFS_SERVER}:/home     /home
    mount -t nfs -o nolock ${NFS_SERVER}:${FAH_ROOT}/${HOSTNAME} /fah
fi

pr_set 86 "Setting up loopback device"
echo "Setting up loopback device"
ifconfig lo 127.0.0.1 netmask 255.0.0.0 broadcast 127.255.255.255

mkdir /tmp/compiled
mkdir /tmp/var
mkdir /tmp/var/run
mkdir /tmp/var/log
mkdir /tmp/var/lock
mkdir /tmp/var/lock/subsys
mkdir /tmp/var/lib
mkdir /tmp/var/lib/xkb
mkdir /tmp/mnt

#
# Some SuSE Xservers expect the xkb/compiled dir in /var/X11R6
#
mkdir /tmp/var/X11R6
mkdir /tmp/var/X11R6/xkb
ln -sf /tmp/compiled /tmp/var/X11R6/xkb/compiled

if [ "${LOCAL_APPS}" = "Y" ]; then
    mkdir /tmp/var/nis
    mkdir /tmp/var/yp
    mkdir /tmp/var/yp/binding
    cat <<-EOF >/tmp/var/yp/nicknames
passwd		passwd.byname
group		group.byname
networks	networks.byaddr
hosts		hosts.byname
protocols	protocols.bynumber
services	services.byname
aliases		mail.aliases
ethers		ethers.byname
EOF
fi

################################################################################
#
# Check the hostname
#

echo "127.0.0.1   localhost  ${HOSTNAME}" >/tmp/hosts
echo "${DEFAULT_SERVER}  server"  >>/tmp/hosts

################################################################################
#
# Start the syslog daemon
#
pr_set 88 "Starting syslogd"
SYSLOG_HOST=${SYSLOG_HOST:-${DEFAULT_SERVER}}
reg_info SYSLOG_HOST
echo "Starting syslogd"
echo "*.* @${SYSLOG_HOST}" >/tmp/syslog.conf
syslogd -m 60 -R ${SYSLOG_HOST}

################################################################################
#
# Local app daemon stuff
#
if [ "${LOCAL_APPS}" = "Y" ]; then
    pr_set 90 "Starting Portmapper"
    echo "Starting portmapper"
    portmap

    # pr_set 91 "Starting xinetd"
    # echo "Starting xinetd"
    # xinetd

    if [ "${NIS_SERVER}" != "" ]; then
        pr_set 92"Setting NIS server"
        echo "Setting NIS Server"
        echo "ypserver ${NIS_SERVER}" >>/tmp/yp.conf
        reg_info NIS_SERVER
    fi

    pr_set 93 "Setting domainname"
    echo "Setting domainname"
    NIS_DOMAIN=${NIS_DOMAIN:-"ltsp"}
    reg_info NIS_DOMAIN
    echo domainname ${NIS_DOMAIN}
    domainname ${NIS_DOMAIN}

    pr_set 94 "Starting ypbind"
    echo "Starting ypbind"
    if [ -z "${NIS_SERVER}" ]; then
        ypbind -broadcast
    else
        ypbind -f /tmp/yp.conf
    fi

    echo "Starting sshd..."
    sshd

fi

################################################################################
#
# Run a rc.usb, if there is one
#
if [ -x /etc/rc.usb ]; then
    echo "Running rc.usb"
    /etc/rc.usb
fi

################################################################################
#
# Run a rc.local, if there is one
#
if [ -x /etc/rc.local ]; then
    echo "Running rc.local"
    /etc/rc.local
fi

################################################################################
#
# Run the additional rc files.
# These are to make it easier to integrate additional functionality
# into an ltsp system.  Add your scripts to etc/rc.d, and put the name
# of the script in the lts.conf file, and it will be executed.
#

pr_set 95 "Checking for rcfiles"
for i in 01 02 03 04 05 06 07 08 09 10; do
    RCVAR=RCFILE_${i}
    RCFILE=${!RCVAR}
    if [ -n "${RCFILE}" ]; then
        reg_info ${RCVAR}
        if [ -x /etc/rc.d/${RCFILE} ]; then
            /etc/rc.d/${RCFILE}
        else
            pr_fail
            echo
            echo "  ERROR: RCFILE_${i} is setup in lts.conf, but"
            echo "  it does not exist in the /etc/rc.d directory"
            echo
            echo -n "Press <enter> to continue "
            read CMD
        fi
    fi
done

################################################################################
#
# Setup the snmpd stuff.
#
reg_info SNMPD
if [ "${SNMPD}" = "Y" ]; then
    pr_set 97 "Starting snmpd"
    /etc/rc.snmpd
fi

################################################################################
#
# Setup the sound stuff.
#
reg_info SOUND
if [ "${SOUND}" = "Y" ]; then
    pr_set 97 "Setting up sound"
    /etc/rc.sound
fi

################################################################################
#
# Setup the local device stuff
#
if [ -x /etc/rc.localdev ]; then
    /etc/rc.localdev
fi

################################################################################
#
# Setup a link in /tmp to give backward compatibility with
# earlier versions of ltsp.
#
ln -s /etc/screen.d/startx /tmp/start_ws


pr_set 100 "rc.sysinit completed, switching to multi-session mode"
echo "rc.sysinit completed, switching to multi-session mode"

echo
sleep 1