zone-xfer

#!/bin/bash
# (c) 2020 Leif Sawyer
# License: GPL 3.0 (see https://github.com/akhepcat/)
# Permanent home:  https://github.com/akhepcat/Miscellaneous/
# Direct download: https://raw.githubusercontent.com/akhepcat/Miscellaneous/master/zone-xfer
# 

server=${1}
domain=${2}
view=${3}

keyfile=/etc/bind/named.keys

usage() {
   echo "$0 server domain [view]"
   echo "   if [view] is specified, will attempt to read the key from ${keyfile}, parse and use it."
   echo "      this requires the key name to be equal to the view name"
}

if [ -z "${server}" ]
then
  usage
elif [ -z "${domain}" ]
then
  usage
else

  if [ -n "${view}" ]
  then
    secret=$(grep -iEw 'key|secret' "${keyfile}" | grep -A1 "${view}" | grep secret | awk '{print $2}' | cut -f 1 -d\; | tr -d [\'\"]  )
    algo=$(grep -iEw 'key|algorithm' "${keyfile}" | grep -A1 "${view}" | grep algorithm | awk '{print $2}' | cut -f 1 -d\; | tr -d [\'\"]  )
    if [ -n "${secret}" ]
    then
      viewk="-y ${algo}:${view}:${secret}"
    else
      echo "Couldn't find secret for view ${view}"
      echo "trying without secrets"
      viewk="-y ${view}"
    fi
  fi

  dig axfr @${server} "${domain}" ${viewk}

fi