94 lines
2.9 KiB
Bash
94 lines
2.9 KiB
Bash
#!/bin/sh
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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="$3"
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TempDir="/tmp/""$ReverseZone"
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TTL="${4%% *}"
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ReReExMi="${4#* }"
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View="$5"
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GetIPEntries() {
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if [ -z "$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*IN\s\+""$IPPattern"".*/\1\/\3/p" "$TempDir/$ForwardZoneFile"
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}
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ReverseEntry() {
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if [ -z "$RZoneIsIPv6" ]; then
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echo "$(echo "$1" | awk 'BEGIN { FS = "." } ; { print $4 "." $3 "." $2 "." $1 }')"".in-addr.arpa."
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else
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echo "$(echo "$1" | \
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awk -F: 'BEGIN {OFS=""}{ FillCount=9-NF; for(i=1;i<=NF;i++){if(length($i) == 0){if(i==NF) {$i="0000";} else {for(j=1;j<=FillCount;j++){$i=($i "0000");}}} else {$i=substr(("0000" $i), length($i)+1);}}; print}' | \
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awk '{ i=length; x=substr($0,i,1); for(i--;i!=0;i--)x=x "." substr($0,i,1);}END{print x}')"".ip6.arpa."
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fi
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}
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if [ -z "${ReverseDomain##*.in-addr.arpa.}" ]; then
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RZoneIsIPv6=""
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elif [ -z "${ReverseDomain##*.ip6.arpa.}" ]; then
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RZoneIsIPv6=1
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else
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echo "No valid ReverseDomain" 1>&2
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exit 1
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fi
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mkdir -p "$TempDir"
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for ForwardZone in $ForwardZones; do
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ZoneName="${ForwardZone%%/*}"
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ZoneFile="${ForwardZone#*/}"
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named-checkzone -f text -i local -o "$TempDir/$ZoneName" -D "$ZoneName" "$ZoneFile" >/dev/null 2>&1
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Serial="$(GetZoneFileSerial "$TempDir/$ZoneName")"
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NewReverseSerial=$((Serial + NewReverseSerial))
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ZoneRevNS="$(sed -ne 's/^\s*\S\+\s\+\([0-9]*\s\)\?\s*IN\s\+NS\s\+\(\S\+\)\s*.*;\s*Reverse:\s*\([^;]*\)$/\2\/\3/p' "$ZoneFile")"
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ZoneRevNS="$(echo "$ZoneRevNS" | sed -e 's/\(.*[^\.]\)\//\1\.'"$ZoneName"'\.\//' )"
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SubNSEntries="$SubNSEntries""$ZoneRevNS"
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done
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if [ -f "$ReverseZoneFile" ]; then
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OldSerial=$(GetZoneFileSerial "$ReverseZoneFile")
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else
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OldSerial=0
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fi
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if [ $NewReverseSerial -gt $OldSerial ]; then
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echo "$ReverseDomain $TTL IN SOA $DNSSCRIPT_SERVER_NAME $DNSSCRIPT_CONTACT_EMAIL $NewReverseSerial $ReReExMi" > "$TempDir/$ReverseZone"
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echo "$ReverseDomain $TTL IN NS $DNSSCRIPT_SERVER_NAME" >> "$TempDir/$ReverseZone"
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echo "$SubNSEntries" | while read -r SubNSEntry; do
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for SubReverseDomain in ${SubNSEntry#*/}; do
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if [ -n "$SubReverseDomain" ] && [ -z "${SubReverseDomain##*$ReverseDomain}" ]; then
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echo "$SubReverseDomain $TTL IN NS ${SubNSEntry%/*}" >> "$TempDir/$ReverseZone"
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fi
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done
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done
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for ForwardZoneFile in $(ls $TempDir); do
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IPEntries="$(GetIPEntries)"
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for IPEntry in $IPEntries; do
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IP="${IPEntry#*/}"
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# Gültigkeit der IP-Adressen named-checkzone bereits geprüft
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IP=$(ReverseEntry "$IP")
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if [ -z "${IP##*$ReverseDomain}" ]; then
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Host="${IPEntry%/*}"
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echo "$IP $TTL IN PTR $Host" >> "$TempDir/$ReverseZone"
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fi
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done
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done
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named-checkzone -o "$ReverseZoneFile" "$ReverseDomain" "$TempDir/$ReverseZone" >/dev/null 2>&1
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ReloadZone "$ReverseDomain" "$View"
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fi
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rm -r "$TempDir"
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