This file is indexed.

/usr/sbin/ocs-live-netcfg is in clonezilla 3.5.2-2.

This file is owned by root:root, with mode 0o755.

The actual contents of the file can be viewed below.

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#!/bin/bash
# netcardconfig - A very light-weight text-based network configuration tool.
# (C) Klaus Knopper Nov 2002
# License: GPL
# This program was modified by B2D team (http://ftp3.tnc.edu.tw/b2d/netcardconfig/netcardconfig).
# 2007/09/18 Modified by Steven Shiau to be used in clonezilla live.

# Load DRBL setting and functions
DRBL_SCRIPT_PATH="${DRBL_SCRIPT_PATH:-/usr/share/drbl}"

. $DRBL_SCRIPT_PATH/sbin/drbl-conf-functions
. /etc/drbl/drbl-ocs.conf
. $DRBL_SCRIPT_PATH/sbin/ocs-functions

# Load the config in ocs-live.conf. This is specially for Clonezilla live. It will overwrite some settings of /etc/drbl/drbl-ocs.conf, such as $DIA...
[ -e "/etc/ocs/ocs-live.conf" ] && . /etc/ocs/ocs-live.conf

#
check_if_root

# Functions
bailout(){
  rm -f "$TMP"
  exit $1
}
USAGE() {
   echo "Usage: $0 [OPTION] MODE [MODE2]"
   echo "OPTION"
   dialog_like_prog_help_prompt
   echo " -i, --ip-add  IP_ADD    Assign the IP address shown in the dialog as IP_ADD."
   echo " -n, --netmask NETMASK   Assign the netmask shown in the dialog as NETMASK."
   echo " -g, --gateway GATEWAY   Assign the gateway shown in the dialog as GATEWAY."
   echo " -s, --dns     DNS       Assign the domain name server shown in the dialog as DNS."
   echo  " --ignore-gw            Do not set default gateway."
   echo  " --ignore-dns           Do not set domain name server."
   echo  " -r, --ignore-dv  DV    Do not config network device DV, such as 'eth1 eth2'."
}
#
cfg_by_dhcp(){
  local dhclient_verbose_opt
  # Before using dhclient, we create /etc/resolv.conf to suppress the warning! Since /etc/resolv.conf is removed when Debian Live is created by live package.
  touch /etc/resolv.conf
  echo "$msg_send_dhcp_request_from $DV"
  # Test if "-v" is supported by dhclient
  # For version 4,
  # Usage: dhclient [-4|-6] [-SNTP1dvrx] [-nw] [-p <port>] [-s server]
  #                 [-cf config-file] [-lf lease-file][-pf pid-file] [-e VAR=val]
  #      	    [-sf script-file] [interface]
  # For version 3,
  # Usage: dhclient [-1dqrx] [-nw] [-p <port>] [-s server]
  #                 [-cf config-file] [-lf lease-file][-pf pid-file] [-e VAR=val]
  #       	    [-sf script-file] [interface]
  # 
  if [ -n "$(LC_ALL=C dhclient --help 2>&1 | grep -Ewo -- "-[[:alnum:]]*v[[:alnum:]]*")" ]; then
   dhclient_verbose_opt="-v"
  fi
  dhclient $dhclient_verbose_opt $DV
  rc="$?"
  if [ "$rc" != "0" ]; then
    echo "$msg_failed"
    echo -n "$msg_press_enter_to_exit "
    read a
  else
    echo -n "OK. Now writing the setting to network config file... "
    # Debian: Add dhcp broadcast entry
    if [ -w /etc/network/interfaces ]; then
      # we need loopback device, otherwise portmap & nfs-common will fail
      if ! egrep -q -e "^auto[[:space:]]+lo" /etc/network/interfaces; then
        cat >/etc/network/interfaces <<EOF
# The loopback network interface
auto lo
iface lo inet loopback
EOF
        # turn it on now.
        ifconfig lo up
      fi
      rm -f "$TMP"
      awk '/iface/{if(/'"$DV"'/){found=1}else{found=0}}
           {if(!found){print}}
           END{print "\niface '"$DV"' inet dhcp\n\n"}' \
           /etc/network/interfaces >"$TMP"
      # Add an "auto" entry
      if egrep -q -e "^auto[ 	]+.*$DV" /etc/network/interfaces; then
        cat "$TMP" >/etc/network/interfaces
      else
        awk '{if(/^auto/){print $0 " '"$DV"'"}else{print}}' "$TMP" > /etc/network/interfaces
      fi
      rm -f "$TMP"
    fi
    echo "Done!"
  fi
  return $rc
} # end of cfg_by_dhcp
#
cfg_static_ip() {
# RedHat
if [ -f "/etc/sysconfig/network-scripts/ifcfg-$DV" ]
  then
  . "/etc/sysconfig/network-scripts/ifcfg-$DV"
  IP="$IPADDR"
  NM="$NETMASK"
fi

# RedHat
if [ -f "/etc/sysconfig/network" ]; then
  . "/etc/sysconfig/network"
  DG="$GATEWAY"
fi

# Debian
if [ -f /etc/network/interfaces ]; then
  awk '/iface/{if(/'"$DV"'/){found=1}else{found=0}} 
       /address/{if(found){address=$NF}}
       /netmask/{if(found){netmask=$NF}}
       /gateway/{if(found){gateway=$NF}}
     END{print address" "netmask" "broadcast" "gateway}' /etc/network/interfaces >"$TMP"
  read IP NM DG <"$TMP"
  rm -f "$TMP"
fi

#
if [ -f "/etc/resolv.conf" ]; then
  NS="$(awk '/^nameserver/{printf "%s ",$2}' /etc/resolv.conf)"
fi

# if IP address is assigned as a parameter
[ -n "$ip_add_prompt" ] && IP="$ip_add_prompt"
[ -n "$netmask_prompt" ] && NM="$netmask_prompt"
[ -n "$gateway_prompt" ] && DG="$gateway_prompt"
[ -n "$dns_prompt" ] && NS="$dns_prompt"

$DIA --inputbox "$msg_enter_IP_add_for_this_nic $DV" 10 45 "${IP:-$default_IP}" 2>"$TMP" || bailout 1
read IP <"$TMP" ; rm -f "$TMP"

$DIA --inputbox "$msg_enter_netmask_for_this_nic $DV" 10 45 "${NM:-$default_NM}" 2>"$TMP" || bailout 1
read NM <"$TMP" ; rm -f "$TMP"

# Steven commented this one. System can get broadcast from IP address and netmask. Therefore it's not necessary to ask.
#$DIA --inputbox "$MESSAGE8 $DV" 10 45 "${BC:-${IP%.*}.255}" 2>"$TMP" || bailout 1
#read BC <"$TMP" ; rm -f "$TMP"

if [ "$config_gw" = "yes" ]; then
  $DIA --inputbox "$msg_enter_default_gateway" 10 45 "${DG:-${IP%.*}.254}" 2>"$TMP"
  read DG <"$TMP" ; rm -f "$TMP"
else
  DG=""
fi

if [ "$config_dns" = "yes" ]; then
  $DIA --inputbox "$msg_enter_dns_server" 10 45 "${NS:-${IP%.*}.254}" 2>"$TMP"
  read NS <"$TMP" ; rm -f "$TMP"
else
  NS=""
fi

CMD="ifconfig $DV $IP netmask $NM up"
echo "$CMD"
$CMD

# Add entry for Redhat init scripts
if [ -d /etc/sysconfig/network-scripts ]; then
  cat >/etc/sysconfig/network-scripts/ifcfg-$DV <<EOF
DEVICE=$DV
IPADDR=$IP
NETMASK=$NM
ONBOOT=yes
EOF
  chmod 755 /etc/sysconfig/network-scripts/ifcfg-$DV
fi

if [ -n "$DG" ]; then
  CMD="route add default gw $DG"
  echo "$CMD"
  $CMD
  # Add entry to /etc/sysconfig/network
  if [ -w /etc/sysconfig/network ]; then
    grep -v ^GATEWAY /etc/sysconfig/network >"$TMP"
    cat >"$TMP" <<EOF
GATEWAY=$DG
GATEWAYDEV=$DV
EOF
    cat "$TMP" > /etc/sysconfig/network
    rm -f "$TMP"
  fi
fi

# Debian
if [ -w /etc/network/interfaces ]; then
  # we need loopback device, otherwise portmap & nfs-common will fail
  if ! egrep -q -e "^auto[[:space:]]+lo" /etc/network/interfaces; then
    cat >/etc/network/interfaces <<EOF
# The loopback network interface
auto lo
iface lo inet loopback
EOF
    # turn it on now.
    ifconfig lo up
  fi

  awk '/iface/{if(/'"$DV"'/){found=1}else{found=0}}
       {if(!found){print}}
       END{print "\niface '"$DV"' inet static\n\taddress '"$IP"'\n\tnetmask '"$NM"'\n\t";if("'"$DG"'"!=""){print "\tgateway '"$DG"'"};print "\n"}' \
       /etc/network/interfaces >"$TMP"
  # Add an "auto" entry
  if egrep -q -e "^auto[ 	]+.*$DV" /etc/network/interfaces; then
    cat "$TMP" >/etc/network/interfaces
  else
    awk '{if(/^auto/){print $0 " '"$DV"'"}else{print}}' "$TMP" > /etc/network/interfaces
  fi
fi

if [ -n "$NS" ]; then
  more=""
  for i in $NS; do
    if [ -z "$more" ]; then
      more=yes
      echo "$msg_put_dnsserver_to_resolv_conf $i"
      echo "nameserver $i" >/etc/resolv.conf
      else
      echo "$msg_append_dnsserver_to_resolv_conf $i"
      echo "nameserver $i" >>/etc/resolv.conf
    fi
  done
fi

# Steven commented this. Not ready for wifi.
#egrep -q "$DV" /proc/net/wireless 2>/dev/null && wlcardconfig "$DV"

echo "Done."
sleep 0.5
} # end of cfg_static_ip
#
cfg_pppoe(){
   pppoeconf
}


# Default settings
default_IP="192.168.120.1"
default_NM="255.255.255.0"
config_gw="yes"
config_dns="yes"
#
while [ $# -gt 0 ]; do
  case "$1" in
    -l|--language)
            shift
            if [ -z "$(echo $1 |grep ^-.)" ]; then
              # skip the -xx option, in case 
	      specified_lang="$1"
              shift
            fi
	    ;;
    -d0|--dialog)  
	    DIA="dialog" 
	    shift;;
    -d1|--Xdialog)  
	    DIA="Xdialog" 
	    shift;;
    -d2|--whiptail)  
	    DIA="whiptail" 
	    shift;;
    -d3|--gdialog)  
	    DIA="gdialog" 
	    shift;;
    -d4|--kdialog)  
	    DIA="kdialog" 
	    shift;;
    -i|--ip-add)
	shift
        if [ -z "$(echo $1 |grep ^-.)" ]; then
          # skip the -xx option, in case 
	  ip_add_prompt="$1"
	  shift
        fi
	;;
    -n|--netmask)
	shift
        if [ -z "$(echo $1 |grep ^-.)" ]; then
          # skip the -xx option, in case 
	  netmask_prompt="$1"
	  shift
        fi
	;;
    -g|--gateway)
	shift
        if [ -z "$(echo $1 |grep ^-.)" ]; then
          # skip the -xx option, in case 
	  gateway_prompt="$1"
	  shift
        fi
	;;
    -s|--dns)
	shift
        if [ -z "$(echo $1 |grep ^-.)" ]; then
          # skip the -xx option, in case 
	  dns_prompt="$1"
	  shift
        fi
	;;
    --ignore-gw)
            config_gw="no"
	    shift;;
    --ignore-dns)
            config_dns="no"
	    shift;;
    -r|--ignore-dv)
	shift
        if [ -z "$(echo $1 |grep ^-.)" ]; then
          # skip the -xx option, in case 
          skip_nic_dv="$1"
	  shift
        fi
	;;
    -*)     echo "${0}: ${1}: invalid option" >&2
            USAGE >& 2
            exit 2 ;;
    *)      break ;;
  esac
done
#
#
ask_and_load_lang_set $specified_lang

# check DIA
check_DIA_set_ESC $DIA

##############
#### main ####
##############

TMP="$(mktemp /tmp/netmenu.XXXXXX)"
trap "[ -f "$TMP" ] && rm -f $TMP" HUP INT QUIT TERM EXIT

NETDEVICES="$(cat /proc/net/dev | awk -F: '/eth.:|tr.:|wlan.:/{print $1}' | sort)"
# make it in a single line
NETDEVICES="$(echo $NETDEVICES)"

if [ -n "$skip_nic_dv" ]; then
  for i in $skip_nic_dv; do
    # remove those we do not want to config.
    NETDEVICES="$(echo $NETDEVICES | sed -e "s/\<$i\>//g")"
  done
fi

if [ -z "$NETDEVICES" ]; then
  $DIA --msgbox "$msg_no_nic_is_found" 0 0
  bailout
else
  # We have to up the network card first so that ethtool can detect if it's linked or not.
  echo -n "Try to up "
  for DEVICE in $NETDEVICES; do
    if [ -z "$(drbl-get-ipadd $DEVICE)" ]; then
      echo -n "$DEVICE... "
      ifconfig $DEVICE 0.0.0.0
    fi
  done
  echo
fi

count="$(echo "$NETDEVICES" | wc -w)"

if [ "$count" -gt 1 ]; then
  hw_scan_tmp="$(mktemp /tmp/hw_scan.XXXXXX)"
  if type lshw &>/dev/null; then
    echo -n "Collecting the info of network devices... "
    lshw -businfo -class network 2>/dev/null > $hw_scan_tmp
    echo "done!"
  fi
  DEVICELIST=""
  dev_model=""
  link_status=""
  for DEVICE in $NETDEVICES; do
    dev_model="$(LC_ALL=C grep -Ew "$DEVICE" $hw_scan_tmp | sed -e "s/^.*$DEVICE[[:space:]]*network[[:space:]]*//g" | sed -e "s/ /_/g")"
    [ -z "$dev_model" ] && dev_model="Unknown_NIC"
    # only first 26 characters.
    dev_model="${dev_model:0:25}.."
    link_status="$(LC_ALL=C ethtool $DEVICE | grep -i "Link detected:" | cut -d":" -f2 | sed -e "s/ //g")"
    if [ -z "$link_status" ]; then
      link_status="Unknown"	     
    fi
    hwaddr="$(drbl-get-macadd $DEVICE)"
    DEVICELIST="$DEVICELIST ${DEVICE} $(rep_whspc_w_udrsc "$msg_link_detected"):${link_status}(${dev_model}|${hwaddr})"
  done
  rm -f "$TMP"
  [ -f "$hw_scan_tmp" -a -n "$hw_scan_tmp" ] && rm -f $hw_scan_tmp
  $DIA --menu "$msg_choose_nic ?" 0 0 0 $DEVICELIST 2>"$TMP" || bailout
  read DV <"$TMP" ; rm -f "$TMP"
else
  # Remove additional spaces
  DV="$(echo $NETDEVICES)"
fi

#
$DIA  --title  \
"$msg_Network_config" --menu "$msg_choose_mode_to_setup_net: $DV" \
0 0 0 $DIA_ESC \
"dhcp"  "$msg_use_dhcp_broadcast" \
"static" "$msg_use_static_ip" \
"pppoe" "$msg_use_pppoe_conf" \
"enter_shell"  "$msg_enter_cml. $msg_do_it_manually" \
2> $TMP
net_setup_mode="$(cat $TMP)"
[ -f "$TMP" ] && rm -f $TMP

case "$net_setup_mode" in
  dhcp) cfg_by_dhcp;;
  static) cfg_static_ip;;
  pppoe) cfg_pppoe;;
  enter_shell) 
      echo $msg_enter_another_shell_hint_wo_netcfg_prompt
      echo -n "$msg_press_enter_to_continue..."
      read
      /bin/bash
      ;;
esac

rc=$?
exit $rc