drbl 2.6.15-1 / usr / sbin / drbl-collect-mac

#!/bin/bash
# Author: Blake, Kuo-Lien Huang
# License: GPL
# Description:
#   * get the MAC address connected to DRBL server, and seperate them to
#     different files, according the no. of NICs.
#   * 2003/08/12
#       ask user if he would like to detect MAC address on all NICs
#
# Modified by Steven Shiau <steven@nchc.org.tw> to used in DRBL for Redhat
# output files are:  macadr-$ethx.txt

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

. $DRBL_SCRIPT_PATH/sbin/drbl-conf-functions

#
usage() {
  echo "Collect the MAC addresses of DRBL."
  echo "Usage: $0 [OPTION] request_ethernet_port_list..."
  echo "OPTION:"
  language_help_prompt_by_idx_no
  echo "-v, --verbose:  verbose mode."
  echo "-n, --no-service-prompt: do not show service restart messages."
  echo "Ex: $0 eth1 eth2"
}

#
server_to_stop_now_debian="$DHCP_SRV_NAME tftpd-hpa"
server_to_stop_now_rh="dhcpd xinetd"
server_to_stop_now_suse="dhcpd xinetd"
#
check_if_root

# default settings:
service_restart_prompt="yes"

# main
# Parse command-line options
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
	;;
    -n|--no-service-prompt)
        service_restart_prompt="no"
	shift;;
    -v|--verbose)
        shift
        VERBOSE=y ;;
    -q|--quiet) shift ; quiet=-q ;;
    --help)     shift ; do_help=y ;;
    --)         shift ; break ;;
    *)          break ;;
  esac
done

#
eth_port="$*"
request_eth_port="$eth_port"
echo "request_eth_port:$request_eth_port"
if [ -z "$request_eth_port" ]; then
    usage
    exit 2
fi

#
ask_and_load_lang_set $specified_lang

# stop inetd, dhcp
#echo "Now stop the service dhcp and xinetd if they are running!"
if [ -e /etc/debian_version ]; then
  # Debian
  for serv_st in $server_to_stop_now_debian; do 
      echo "Stopping $serv_st ..."
      RETVAL=0
      /etc/init.d/$serv_st stop
      RETVAL=$?
      if [ "$RETVAL" -gt 0 ]; then
           echo "XXXXXXX        XXXXXXX       XXXXXXX"
           echo "Failed to stop service $serv_st !!!"
           exit $RETVAL
      fi
  done
elif [ -e /etc/SuSE-release ]; then
  # SuSE
  for serv_st in $server_to_stop_now_suse; do 
      # service is running
      echo "Stopping $serv_st ..."
      RETVAL=0
      /etc/init.d/$serv_st stop
      RETVAL=$?
      if [ "$RETVAL" -gt 0 ]; then
           echo "XXXXXXX        XXXXXXX       XXXXXXX"
           echo "Failed to stop service $serv_st !!!"
           exit $RETVAL
      fi
  done
else
  # RH-like
  for serv_st in $server_to_stop_now_rh; do 
    if [ -f /var/lock/subsys/$serv_st ] ; then
      # service is running
      echo "Stopping $serv_st ..."
      RETVAL=0
      /etc/init.d/$serv_st stop
      RETVAL=$?
      if [ "$RETVAL" -gt 0 ]; then
           echo "XXXXXXX        XXXXXXX       XXXXXXX"
           echo "Failed to stop service $serv_st !!!"
           exit $RETVAL
      fi
    fi 
  done
fi

# Clean the old files macadr-ethx.txt
if [ "$(ls macadr-eth*.txt 2> /dev/null)" != "" ]; then
  echo "deleting old macadr-eth*.txt file..."
  rm -f macadr-eth*.txt
fi

drblmac=$(mktemp -d /tmp/drbl_nic.XXXXXX) || exit 1
## function: mac_collect_status
mac_collect_status() {
  [ -f $drblmac/setup-drbl-auto.all ] && rm -f $drblmac/setup-drbl-auto.all
  for eth in $request_eth_port; do
      cat $drblmac/setup-drbl-auto.$eth >> $drblmac/setup-drbl-auto.all
  done
  num=$(perl -ane 'print "\U$F[0]\n"' $drblmac/setup-drbl-auto.all | sort | uniq | wc | awk '{print $1}')
  echo "======================================="
  #perl -ane 'print "\U$F[0]\n"' $drblmac/setup-drbl-auto.all | sort | uniq
  # uniq without sort
  perl -ane 'print "\U$F[0]\n"' $drblmac/setup-drbl-auto.all | perl -ne 'print unless $lines{$_}++'
  echo "Total: $num"
  echo "======================================="
}

## function: stop
stop() {
  killall /usr/sbin/tcpdump
}

## main
for eth in $request_eth_port; do
    #/usr/sbin/tcpdump -qte -i $eth > $drblmac/setup-drbl-auto.$eth 2> /dev/null &
    /usr/sbin/tcpdump -teln -i $eth broadcast and port bootpc > $drblmac/setup-drbl-auto.$eth 2> /dev/null &
done

##
echo "$msg_delimiter_star_line"
echo "$msg_start_detect_MAC_addresse"
echo "$msg_enter_1_or_press_enter_to_view"
echo "$msg_enter_2_or_press_q_to_quit"
while read CMD; do
  case "$CMD" in
  2|[q]|[Q])
    break
    ;;
  *)
    mac_collect_status
    echo "$msg_enter_1_or_press_enter_to_view"
    echo "$msg_enter_2_or_press_q_to_quit"
  esac
done

## analyze the mac address 
for eth in $request_eth_port; do
    #perl -ane 'print "\U$F[0]\n"' $drblmac/setup-drbl-auto.$eth | sort | uniq > $drblmac/macadr-auto-$eth
    #uniq without sort
    perl -ane 'print "\U$F[0]\n"' $drblmac/setup-drbl-auto.$eth | perl -ne 'print unless $lines{$_}++' > $drblmac/macadr-auto-$eth
done

ethmatch=""
for eth in $request_eth_port; do
  if [ -f $drblmac/macadr-auto-$eth ]; then
     for ethx in $request_eth_port; do
       if [ "$ethx" = "$eth" ]; then
         ethmatch="$eth=$eth $ethmatch"
       elif [ -f $drblmac/macadr-auto-$ethx ]; then
         #echo "diff $drblmac/macadr-auto-$eth $drblmac/macadr-auto-$ethx"
         #read ANS
         if [ -z "$(diff $drblmac/macadr-auto-$eth $drblmac/macadr-auto-$ethx)" ]; then
           [ -f $drblmac/macadr-auto-$ethx ] && rm -f $drblmac/macadr-auto-$ethx
           ethmatch="$eth=$ethx $ethmatch"  
         fi
       fi
     done
     
  fi
done

collect_flist=
for eth in $request_eth_port; do
  if [ ! -f macadr-$eth.txt ]; then
    touch macadr-$eth.txt
  fi
  collect_flist="$collect_flist macadr-$eth.txt"
done

for ethmac in `ls $drblmac/macadr-auto-*`; do
  eth=${ethmac/$drblmac\/macadr-auto-/}
  run=1
  while [ $run -eq 1 ]; do
    for match in $ethmatch; do
      if [ "$macadr" = "" ]; then
        if ! read macadr ; then 
          run=0
          break
        fi
      fi
      if [ -n "$(echo "$match" | grep -e "^$eth=")" ]; then
        ethx=${match/$eth=/} 
	# We only use lowercase MAC address, since pxelinux file name uses lowercase.
        echo "$macadr" | tr '[A-Z]' '[a-z]' >> macadr-$ethx.txt
        if ! read macadr ; then 
          run=0
          break
        fi
      fi 
    done
  done < $ethmac
done

# 
for imac in ./macadr-*.txt; do
  dos2unix $imac 2> /dev/null
done

# clean the tmp directory
[ -d "$drblmac" -a -n "$(echo $drblmac | grep "drbl_nic")" ] && rm -rf $drblmac

echo "$msg_delimiter_star_line"
# message for re-start dhcpd, xinetd
if [ "$service_restart_prompt" = "yes" ]; then
  echo "$msg_dhcpd_tftpd_stopped_need_restart_if_you_need_them"
fi
[ "$BOOTUP" = "color" ] && $SETCOLOR_WARNING
echo "$msg_the_collected_MAC_addr_from [$request_eth_port] $msg_are_saved_in_files_separately:$collect_flist."
[ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL