Initial import
This commit is contained in:
397
bind_set_ttl_to_default.sh
Executable file
397
bind_set_ttl_to_default.sh
Executable file
@@ -0,0 +1,397 @@
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#!/usr/bin/env bash
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## --- Variables (default Values)
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## ---
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#_zone_file_dir=/etc/bind/master
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_zone_file_dir=/root/tmp/master
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_serial_new=`date +%Y%m%d01`
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_zone_file_suffix=zone
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## ---
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## --- End: Variables (default Values)
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## --- some functions
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## ---
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echononl(){
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echo X\\c > /tmp/shprompt$$
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if [ `wc -c /tmp/shprompt$$ | awk '{print $1}'` -eq 1 ]; then
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echo -e -n "$*\\c" 1>&2
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else
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echo -e -n "$*" 1>&2
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fi
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rm /tmp/shprompt$$
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}
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fatal(){
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echo ""
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echo -e "[ \033[31m\033[1mError\033[m ]: $*"
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echo ""
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echo -e "\t\033[31m\033[1mScript is canceled\033[m\033[m"
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echo ""
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exit 1
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}
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warn (){
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echo ""
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echo -e "\t[ \033[33m\033[1mWarning\033[m ]: $*"
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echo ""
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}
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info (){
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echo ""
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echo -e "\t[ \033[33m\033[1mInfo\033[m ]: $*"
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echo ""
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}
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ok (){
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echo ""
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echo -e "\t[ \033[36m\033[1mOk\033[m ]: $*"
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echo ""
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}
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error(){
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echo ""
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echo -e "\t[ \033[31m\033[1mFehler\033[m ]: $*"
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echo ""
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}
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echo_ok() {
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echo -e "\033[75G[ \033[32mok\033[m ]"
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}
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echo_failed(){
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echo -e "\033[75G[ \033[1;31mfailed\033[m ]"
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}
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echo_skipped() {
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echo -e "\033[75G[ \033[33m\033[1mskipped\033[m ]"
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}
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containsElement () {
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local e
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for e in "${@:2}"; do [[ "$e" == "$1" ]] && return 0; done
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return 1
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}
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## - Test of valid IPv4 Address
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## -
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## - Returns 0 if valid, > 0 otherwise
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## -
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is_valid_ipv4() {
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local -a octets=( ${1//\./ } )
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local RETURNVALUE=0
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# return an error if the IP doesn't have exactly 4 octets
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[[ ${#octets[@]} -ne 4 ]] && return 1
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for octet in ${octets[@]}
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do
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if [[ ${octet} =~ ^[0-9]{1,3}$ ]]
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then # shift number by 8 bits, anything larger than 255 will be > 0
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((RETURNVALUE += octet>>8 ))
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else # octet wasn't numeric, return error
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return 1
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fi
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done
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return ${RETURNVALUE}
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}
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is_valid_ipv6() {
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local _ipv6=$1
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if [ "$1" != "${1#[0-9a-f]*:}" ] \
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&& [ "$1" = "${1#*[^0-9a-f:]}" ] \
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&& [ "${1#*[0-9A-Fa-f][0-9A-Fa-f][0-9A-Fa-f][0-9A-Fa-f][0-9A-Fa-f]}" = "${1#*:*:*:*:*:*:*:*:*:}" ]; then
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return 0
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else
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return 1
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fi
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}
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## ---
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## --- END: functions
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echo ""
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echo -e "\033[32m--\033[m"
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echo ""
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echo "Insert IPv4-Address(es) for which TTL should be set to zone-file default."
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echo ""
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echo "For multiple IPv4 Addresses, insert a blank separated list"
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echo ""
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echo -e "Type \"\033[33mNone\033[m\" if no IPv4 address should be changed."
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echo ""
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IPv4_ADDRESS=
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_set_ipv4=true
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while [ "X$IPv4_ADDRESS" = "X" ]; do
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echononl "IPv4-Address: "
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read IPv4_ADDRESS
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## - To lower case
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IPv4_ADDRESS=${IPv4_ADDRESS,,}
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if [ "X$IPv4_ADDRESS" = "X" ]; then
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echo -e "\n\t\033[33m\033[1mAn entry is required!\033[m\n"
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IPv4_ADDRESS=""
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continue
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fi
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if [ "$IPv4_ADDRESS" = "none" ];then
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_set_ipv4=false
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break
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fi
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if ! is_valid_ipv4 $IPv4_ADDRESS ; then
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echo -e "\n\t\033[33m\033[1m$IPv4_ADDRESS\033[m is NOT a valid IPv4 Address\n"
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IPv4_ADDRESS=""
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continue
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fi
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done
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echo ""
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echo -e "\033[32m--\033[m"
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echo ""
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echo "Insert IPv6-Address(es) for which TTL should be set to zone-file default."
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echo ""
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echo "For multiple IPv6 Addresses, insert a blank separated list"
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echo ""
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echo -e "Type \"\033[33mNone\033[m\" if no IPv6 address should be changed."
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echo ""
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IPv6_ADDRESS=
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_set_ipv6=true
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while [ "X$IPv6_ADDRESS" = "X" ]; do
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echononl "IPv6-Address: "
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read IPv6_ADDRESS
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## - To lower case
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IPv6_ADDRESS=${IPv6_ADDRESS,,}
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if [ "X$IPv6_ADDRESS" = "X" ]; then
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echo -e "\n\t\033[33m\033[1mAn entry is required!\033[m\n"
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IPv6_ADDRESS=""
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continue
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fi
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if [ "$IPv6_ADDRESS" = "none" ];then
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_set_ipv6=false
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break
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fi
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if ! is_valid_ipv6 $IPv6_ADDRESS ; then
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echo -e "\n\t\033[33m\033[1m$IPv6_ADDRESS\033[m is NOT a valid IPv6 Address\n"
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IPv6_ADDRESS=""
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continue
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fi
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done
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echo ""
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echo -e "\033[32m--\033[m"
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echo ""
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echo "Insert the directory, where your zone-files resides."
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echo ""
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echo ""
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ZONE_FILE_DIR=
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while [ "X$ZONE_FILE_DIR" = "X" ]; do
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echononl "Zone File Directory [$_zone_file_dir]: "
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read ZONE_FILE_DIR
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if [ "X$ZONE_FILE_DIR" = "X" ]; then
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ZONE_FILE_DIR=$_zone_file_dir
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fi
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if [ ! -d $ZONE_FILE_DIR ]; then
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echo -e "\n\tDirectory \033[33m\033[1m$ZONE_FILE_DIR\033[m does NOT exist!\n"
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ZONE_FILE_DIR=
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fi
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done
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echo ""
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echo -e "\033[32m--\033[m"
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echo ""
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echo "Insert the file-suffix of thr zone-files"
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echo ""
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echo ""
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ZONE_FILE_SUFFIX=
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echononl "Suffix of Zone Files [$_zone_file_suffix]: "
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read ZONE_FILE_SUFFIX
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if [ "X$ZONE_FILE_SUFFIX" = "X" ]; then
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ZONE_FILE_SUFFIX=$_zone_file_suffix
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fi
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if ! $_set_ipv6 && ! $_set_ipv4 ; then
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fatal "No IP-Adresses given for changing their TTL to the zone-file default.."
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fi
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clear
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echo ""
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echo ""
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echo -e "\033[21G\033[32mChange TTL settings to the zonefile default value\033[m"
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echo ""
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echo ""
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if $_set_ipv4 ; then
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echo "IPv4 Address(es)..................: $IPv4_ADDRESS"
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else
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echo -e "IPv4 Address(es)..................: \033[33mNone\033[m"
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fi
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if $_set_ipv6 ; then
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echo "IPv6 Address(es)..................: $IPv6_ADDRESS"
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else
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echo -e "IPv6 Address(es)..................: \033[33mNone\033[m"
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fi
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echo ""
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echo "New TTL...........................: Zonefile default"
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echo ""
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echo "Zone File Directory...............: $ZONE_FILE_DIR"
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echo "Zone File Suffix..................: $ZONE_FILE_SUFFIX"
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echo ""
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OK=
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while [ "$OK" != "yes" -o "$OK" != "no" ] ; do
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echononl "Parameters ok? [yes/no]: "
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read OK
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## - To lower case
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OK=${OK,,}
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if [ "X$OK" = "X" ]; then
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echo -e "\n\t\033[33m\033[1mAn entry is required!\033[m\n"
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OK=""
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continue
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fi
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if [ "$OK" = "yes" -o "$OK" = "no" ] ; then
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break
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else
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OK=""
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continue
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fi
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echo -e "\n\t\033[33m\033[1mWrong entry!\033[m\n"
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done
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[[ $OK = "yes" ]] || fatal Repeat execution with different parameters
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cp -a $ZONE_FILE_DIR ${ZONE_FILE_DIR}.BAK-`date +%Y-%m-%d-%H%M`
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ipv4_addresses_arr=()
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for _ipv4_address in $IPv4_ADDRESS ; do
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containsElement "$_ipv4_address" "${ipv4_addresses_arr[@]}" && continue
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ipv4_addresses_arr+=("$_ipv4_address")
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done
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ipv6_addresses_arr=()
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for _ipv6_address in $IPv6_ADDRESS ; do
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containsElement "$_ipv6_address" "${ipv6_addresses_arr[@]}" && continue
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ipv6_addresses_arr+=("$_ipv6_address")
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done
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zonefiles_arr=()
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if $_set_ipv4 ; then
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for _ipv4_address in "${ipv4_addresses_arr[@]}" ; do
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_zone_files_ipv4=`grep -l -e "$_ipv4_address" ${ZONE_FILE_DIR}/*.$ZONE_FILE_SUFFIX`
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if [ ${#zonefiles_arr[@]} -eq 0 ] ; then
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for _zone_file in "$_zone_files_ipv4" ; do
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zonefiles_arr+=("$_zone_file")
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done
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else
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for _zone_file in "$_zone_files_ipv4" ; do
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containsElement "$_zone_file" "${zonefiles_arr[@]}" && continue
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zonefiles_arr+=("$_zone_file")
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done
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fi
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done
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fi
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if $_set_ipv6 ; then
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for _ipv6_address in "${ipv6_addresses_arr[@]}" ; do
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_zone_files_ipv6=`grep -l -e "$_ipv6_address" ${ZONE_FILE_DIR}/*.$ZONE_FILE_SUFFIX`
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if [ ${#zonefiles_arr[@]} -eq 0 ] ; then
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for _zone_file in "$_zone_files_ipv6" ; do
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zonefiles_arr+=("$_zone_file")
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done
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else
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for _zone_file in "$_zone_files_ipv6" ; do
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containsElement "$_zone_file" "${zonefiles_arr[@]}" && continue
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zonefiles_arr+=("$_zone_file")
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done
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fi
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done
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fi
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for zone_file in ${zonefiles_arr[@]} ; do
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echo -e "\n\tconverting $zone_file .."
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_replaced=false
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## - calculate new serial
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## -
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declare -i __serial=`grep -e "[0-9]\{10\}" $zone_file | grep serial | awk '{print$1}'`
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while [ ! $_serial_new -gt $__serial ]; do
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let _serial_new++
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done
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if $_set_ipv4 ; then
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for _ipv4_address in "${ipv4_addresses_arr[@]}" ; do
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if grep -e "IN\s*A\s*$_ipv4_address" $zone_file > /dev/null 2>&1 ; then
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## - setze neue ttl für ipv4 address
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## -
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echononl "\t Set TTL to the zonfile default for IPv4 address $_ipv4_address .."
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if grep -e "\s*[0-9][0-9]\s*IN\s*A\s*$_ipv4_address" $zone_file > /dev/null 2>&1 ; then
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perl -i -n -p -e "s/^(.+\s+)[0-9]{2,}(\s+IN\s+A\s+$_ipv4_address)/\1\2/" $zone_file
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if [ "$?" = "0" ]; then
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echo_ok
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_replaced=true
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else
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echo_failed
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error "Setting TTL to the zonfile default for $_ipv4_address in zone file \"$zone_file\" failed!"
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fi
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else
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echo_skipped
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fi
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fi
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done
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fi
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if $_set_ipv6 ; then
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for _ipv6_address in "${ipv6_addresses_arr[@]}" ; do
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if grep -e "IN\s*AAAA\s*$_ipv6_address" $zone_file > /dev/null 2>&1 ; then
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## - setze neue ttl für ipv6 address
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## -
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echononl "\t Set TTL to the zonfile default for IPv6 address $_ipv6_address .."
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if grep -e "\s*[0-9][0-9]\s*IN\s*AAAA\s*$_ipv6_address" $zone_file > /dev/null 2>&1 ; then
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perl -i -n -p -e "s/^(.+\s+)[0-9]{2,}(\s+IN\s+AAAA\s+$_ipv6_address)/\1\2/" $zone_file
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if [ "$?" = "0" ]; then
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echo_ok
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_replaced=true
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else
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echo_failed
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error "Setting TTL to the zonfile default for $_ipv6_address in zone file \"$zone_file\" failed!"
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fi
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else
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echo_skipped
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fi
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fi
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done
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fi
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## - setze neue serial
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## -
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echo ""
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echononl "\t Increase Serial for zone file \"`basename $zone_file`\""
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if $_replaced ; then
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perl -i -n -p -e "s#^(\s*)\s$__serial(.*)#\1 $_serial_new\2#" $zone_file > /dev/null 2>&1
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if [ "$?" = "0" ]; then
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echo_ok
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_replaced=true
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else
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echo_failed
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error "Increasing Serial for zone file \"`basename $zone_file`\" failed!"
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fi
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else
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echo_skipped
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fi
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done
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echo
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exit
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Reference in New Issue
Block a user