94 lines
2.6 KiB
Bash
Executable File
94 lines
2.6 KiB
Bash
Executable File
#!/bin/sh
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# SPDX-License-Identifier: GPL-3.0
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#
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# freifunk-franken dns-scipts (c) 2021 Blackyfff
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. ./dns-functions.sh
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ReverseDomain="$1"
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ReverseZone="${ReverseDomain%*.}"
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ForwardZones="$2"
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ReverseZoneFile="$3"
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TTL="${4%% *}"
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ReReExMi="${4#* }"
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View="$5"
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TempFile="/tmp/""$ReverseZone"
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GetIPEntries() {
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if [ -z "$RZoneIsIPv6" ]; then
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IPPattern="[aA]\s\+\([0-9\.]\+\)"
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else
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IPPattern="[aA]\{4\}\s\+\([0-9a-f:]\+\)"
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fi
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sed -ne "s/^\s*\(\S\+\)\s\+\([0-9]*\s\)\?\s*[Ii][Nn]\s\+""$IPPattern"".*/\1\/\3/p" "$1"
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}
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ReverseEntry() {
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if [ -z "$RZoneIsIPv6" ]; then
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GetReverseDomains "$1""/32"
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else
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GetReverseDomains "$1""/128"
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fi
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}
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if [ -z "${ReverseDomain##*.in-addr.arpa.}" ]; then
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RZoneIsIPv6=""
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elif [ -z "${ReverseDomain##*.ip6.arpa.}" ]; then
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RZoneIsIPv6=1
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else
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TraceErrAndExit "$ReverseDomain"" is no valid reverse domain"
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fi
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for ForwardZone in $ForwardZones; do
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ZoneFile="${ForwardZone#*/}"
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Serial="$(GetZoneFileSerial "$ZoneFile")"
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NewReverseSerial=$((Serial + NewReverseSerial))
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done
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OldSerial="$(GetZoneFileSerial "$ReverseZoneFile")"
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if [ $((NewReverseSerial)) -gt $((OldSerial)) ]; then
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{
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echo "$ReverseDomain $TTL IN SOA $DNSSCRIPT_SERVER_NAME""."" $DNSSCRIPT_CONTACT_EMAIL $NewReverseSerial $ReReExMi"
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echo "$ReverseDomain $TTL IN NS $DNSSCRIPT_SERVER_NAME""."""
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Static="/""$ReverseZoneFile"
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Static="${Static%/*}""/static.""${Static##*/}"
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Static="${Static#*/}"
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[ -f "$Static" ] && echo "$(cat "$Static")"
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echo
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} > "$TempFile"
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for ForwardZone in $ForwardZones; do
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ZoneName="${ForwardZone%%/*}"
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ZoneFile="${ForwardZone#*/}"
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ZoneRevNSSubnets="$(sed -ne 's/^\s*\S\+\s\+\([0-9]*\s\)\?\s*[Ii][Nn]\s\+[Nn][Ss]\s\+\(\S\+\).*;\s*Subnets:\s*\([^;]\+\)\s*\(;.*\)\?$/\2@\3/p' "$ZoneFile" | \
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sed -e 's/\(.*[^\.]\)@/\1\.'"$ZoneName"'\.@/;s/@/ /;s/\s\+/@/g')"
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for NSSubnets in $ZoneRevNSSubnets; do
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Subnets="$(echo "${NSSubnets#*@}" | sed -e 's/@/ /g')"
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for Subnet in $Subnets; do
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for ReverseNS in $(GetReverseDomains "$Subnet"); do
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if [ -n "$ReverseNS" ] && [ -z "${ReverseNS##*$ReverseDomain}" ]; then
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echo "$ReverseNS $TTL IN NS ${NSSubnets%%@*}" >> "$TempFile"
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fi
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done
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done
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done
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IPEntries="$(GetIPEntries "$ZoneFile")"
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for IPEntry in $IPEntries; do
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IP="${IPEntry#*/}"
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IP="$(ReverseEntry "$IP")"
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if [ -z "${IP##*$ReverseDomain}" ]; then
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Host="$(ExpandHostname "${IPEntry%%/*}" "$ZoneName"".")"
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echo "$IP $TTL IN PTR $Host" >> "$TempFile"
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fi
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done
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done
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named-checkzone -o "$ReverseZoneFile" "$ReverseDomain" "$TempFile" >/dev/null
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ReloadZone "$ReverseDomain" "$View"
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rm -r "$TempFile"
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fi |