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#!/bin/bash
# Steven Shiau <steven _at_ clonezilla org>
# License: GPL
# Description: To get the setting of network-related parameters, works for
# Redhat-like and Debian.
export LC_ALL=C
# Load DRBL setting and functions
DRBL_SCRIPT_PATH="${DRBL_SCRIPT_PATH:-/usr/share/drbl}"
. $DRBL_SCRIPT_PATH/sbin/drbl-conf-functions
#
usage() {
echo "Usage:"
echo "$(basename $0) [OPTION] [DEVICE NAME] [PARAMETER]"
echo "Options:"
echo "-h, --host IP_ADDRESS: search the DRBL client IP_ADDRESS instead of this server."
echo "DEVICE NAME: network interface card name, EX: eth0, eth1..."
echo "PARAMETER: network parameter, EX: DOMAINNAME NISDOMAINNAME HOSTNAME IPADDR NETWORK NETMASK (case insensitive)"
echo "Ex: $(basename $0) eth0 ipaddr"
}
# Parse command-line options
while [ $# -gt 0 ]; do
case "$1" in
-h|--host)
shift; specified_host="$1"
if [ -z "$specified_host" ]; then
usage >& 2
exit 2
fi
shift
;;
-*) echo "${0}: ${1}: invalid option" >&2
usage >& 2
exit 2 ;;
*) break ;;
esac
done
#
if [ -z "$specified_host" ]; then
hpath=""
else
hpath="$drblroot/$specified_host"
fi
#
NDV=$1
return_var=$2
[ -z "$NDV" ] && exit 0
[ -z "$return_var" ] && exit 0
# convert return_var to uppercase
return_var="$(echo $return_var | tr "[a-z]" "[A-Z]")"
if [ -e /etc/debian_version ]; then
# Debian
# This code is borrowed from:
# netcardconfig - A very light-weight text-based network configuration tool.
# (C) Klaus Knopper Jun 2001
TMP="$(mktemp /tmp/netconfig-tmp.XXXXXX)"
awk '/iface/{if(/'"$NDV"'/){found=1}else{found=0}}
/address/{if(found){address=$NF}}
/netmask/{if(found){netmask=$NF}}
/broadcast/{if(found){broadcast=$NF}}
/gateway/{if(found){gateway=$NF}}
/network/{if(found){ntework=$NF}}
END{print "IPADDR="address"\n""NETMASK="netmask"\n""BROADCAST="broadcast"\n""GATEWAY="gateway"\n""NETWORK="network}' $hpath/etc/network/interfaces > $TMP 2>/dev/null
hostname="$(cat $hpath/etc/hostname)"
#domainname="$(domainname)"
#nisdomainname="$(nisdomainname)"
domainname="$(cat $hpath/etc/defaultdomain)"
nisdomainname="$(cat $hpath/etc/defaultdomain)"
echo "HOSTNAME=$hostname" >> $TMP
echo "DOMAINNAME=$domainname" >> $TMP
echo "NISDOMAINNAME=$nisdomainname" >> $TMP
. $TMP
[ -f "$TMP" ] && rm -f $TMP
elif [ -e /etc/SuSE-release ]; then
# SuSE
TMP="$(mktemp /tmp/netconfig-tmp.XXXXXX)"
hostname="$(cat $hpath/etc/HOSTNAME)"
domainname="$(cat $hpath/etc/defaultdomain)"
nisdomainname="$(cat $hpath/etc/defaultdomain)"
echo "HOSTNAME=$hostname" >> $TMP
echo "DOMAINNAME=$domainname" >> $TMP
echo "NISDOMAINNAME=$nisdomainname" >> $TMP
. $TMP
[ -f "$TMP" ] && rm -f $TMP
[ -f $hpath/$SYSCONF_PATH/network/ifcfg-$NDV ] && . $hpath/$SYSCONF_PATH/network/ifcfg-$NDV
else
# RH-like style
# For RH-like, it's "NISDOMAIN" instead of "NISDOMAINNAME"
[ "$return_var" = "NISDOMAINNAME" ] && return_var="NISDOMAIN"
[ -f $hpath/$SYSCONF_PATH/network ] && . $hpath/$SYSCONF_PATH/network
[ -f $hpath/$SYSCONF_PATH/network-scripts/ifcfg-$NDV ] && . $hpath/$SYSCONF_PATH/network-scripts/ifcfg-$NDV
fi
#parameter, EX: DOMAINNAME NISDOMAIN HOSTNAME IPADDR NETWORK NETMASK (case insensitive)"
eval ret_var=\$${return_var}
echo $ret_var
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