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dns-scripts
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Add reverse scripts 

Signed-off-by: Fabian Bläse <fabian@blaese.de>
This commit is contained in:
Fabian Bläse 2020-08-01 10:04:52 +02:00
parent 4654ff0d53
commit b8279fbc1e
4 changed files with 266 additions and 1 deletions
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89
10-50-reverse.sh Executable file
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@ -0,0 +1,89 @@
#!/bin/bash
#Name der Zone
DomainZone="50.10.in-addr.arpa."
#Positionen und Namen der Forward Lookup Zone Files
ForwardZoneFiles=("/srv/fff-dns/db.fff.community")
ReverseZoneFile="/var/lib/bind/db.50.10"
#Temporäres Verzeichnis - muss pro Zone exclusiv sein!
TempDir="/tmp/50.10.in-addr.arpa"
#TTL
TTL=3600
#refresh
refresh=2000
#retry
retry=6400
#expire
expire=2419200
#minimum
minimum=86400
#contact-mail
contact=franken.freifunk.net.
#responsible DNS Server by name (for reverseDNS your own)
responsible=aquarius.gw.fff.community.
#################################################################
function dnsreload {
systemctl reload bind9
}
function validate_ip() {
local ip=$1
local stat=1
if [[ $ip =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
OIFS=$IFS
IFS='.'
ip=($ip)
IFS=$OIFS
[[ ${ip[0]} -le 255 && ${ip[1]} -le 255 \
&& ${ip[2]} -le 255 && ${ip[3]} -le 255 ]]
stat=$?
fi
return $stat
}
mkdir -p $TempDir
Serials=()
for ForwardZoneFile in "${ForwardZoneFiles[@]}"
do
ZoneName=$(cat $ForwardZoneFile | grep SOA | awk '{ print $1 }' | head -n 1)
named-compilezone -o "$TempDir/$ZoneName" $ZoneName $ForwardZoneFile >/dev/null 2>&1
serial=$(cat "$TempDir/$ZoneName" | grep SOA | awk '{ print $7 }' | head -n 1)
Serials+=( "$serial" )
done
Serials=( $( for i in ${Serials[@]}; do echo "$i"; done | sort -rn ) )
serial=${Serials[0]}
echo "$DomainZone $TTL IN SOA $responsible $contact $serial $refresh $retry $expire $minimum" > "$TempDir/$DomainZone"
echo "$DomainZone $TTL IN NS $responsible" >> "$TempDir/$DomainZone"
for ForwardZoneFile in $(ls $TempDir)
do
Hosts=($(cat "$TempDir/$ForwardZoneFile" | grep -v SOA | awk '{ print $1 }'))
IPs=$(cat "$TempDir/$ForwardZoneFile" | grep -v SOA | awk '{ print $5 }')
i=0
for IP in $IPs
do
if validate_ip $IP
then
echo $(echo $IP | awk 'BEGIN { FS = "." } ; { print $4 "." $3 "." $2 "." $1 }')".in-addr.arpa." $TTL IN PTR ${Hosts[$i]} >> "$TempDir/$DomainZone"
fi
i=$((i+1))
done
done
if [ -f $ReverseZoneFile ]; then
oldSerial=$(grep SOA $ReverseZoneFile | awk 'NR==1{print $7}')
else
oldSerial=0
fi
if [ $serial -gt $oldSerial ]
then
named-compilezone -o $ReverseZoneFile $DomainZone "$TempDir/$DomainZone" >/dev/null 2>&1
dnsreload
fi
rm -r $TempDir

89
10-83-reverse.sh Executable file
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@ -0,0 +1,89 @@
#!/bin/bash
#Name der Zone
DomainZone="83.10.in-addr.arpa."
#Positionen und Namen der Forward Lookup Zone Files
ForwardZoneFiles=("/srv/fff-dns/db.fff.community")
ReverseZoneFile="/var/lib/bind/db.83.10"
#Temporäres Verzeichnis - muss pro Zone exclusiv sein!
TempDir="/tmp/83.10.in-addr.arpa"
#TTL
TTL=3600
#refresh
refresh=2000
#retry
retry=6400
#expire
expire=2419200
#minimum
minimum=86400
#contact-mail
contact=franken.freifunk.net.
#responsible DNS Server by name (for reverseDNS your own)
responsible=aquarius.gw.fff.community.
#################################################################
function dnsreload {
systemctl reload bind9
}
function validate_ip() {
local ip=$1
local stat=1
if [[ $ip =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
OIFS=$IFS
IFS='.'
ip=($ip)
IFS=$OIFS
[[ ${ip[0]} -le 255 && ${ip[1]} -le 255 \
&& ${ip[2]} -le 255 && ${ip[3]} -le 255 ]]
stat=$?
fi
return $stat
}
mkdir -p $TempDir
Serials=()
for ForwardZoneFile in "${ForwardZoneFiles[@]}"
do
ZoneName=$(cat $ForwardZoneFile | grep SOA | awk '{ print $1 }' | head -n 1)
named-compilezone -o "$TempDir/$ZoneName" $ZoneName $ForwardZoneFile >/dev/null 2>&1
serial=$(cat "$TempDir/$ZoneName" | grep SOA | awk '{ print $7 }' | head -n 1)
Serials+=( "$serial" )
done
Serials=( $( for i in ${Serials[@]}; do echo "$i"; done | sort -rn ) )
serial=${Serials[0]}
echo "$DomainZone $TTL IN SOA $responsible $contact $serial $refresh $retry $expire $minimum" > "$TempDir/$DomainZone"
echo "$DomainZone $TTL IN NS $responsible" >> "$TempDir/$DomainZone"
for ForwardZoneFile in $(ls $TempDir)
do
Hosts=($(cat "$TempDir/$ForwardZoneFile" | grep -v SOA | awk '{ print $1 }'))
IPs=$(cat "$TempDir/$ForwardZoneFile" | grep -v SOA | awk '{ print $5 }')
i=0
for IP in $IPs
do
if validate_ip $IP
then
echo $(echo $IP | awk 'BEGIN { FS = "." } ; { print $4 "." $3 "." $2 "." $1 }')".in-addr.arpa." $TTL IN PTR ${Hosts[$i]} >> "$TempDir/$DomainZone"
fi
i=$((i+1))
done
done
if [ -f $ReverseZoneFile ]; then
oldSerial=$(grep SOA $ReverseZoneFile | awk 'NR==1{print $7}')
else
oldSerial=0
fi
if [ $serial -gt $oldSerial ]
then
named-compilezone -o $ReverseZoneFile $DomainZone "$TempDir/$DomainZone" >/dev/null 2>&1
dnsreload
fi
rm -r $TempDir

87
fd43-5602-29bd-reverse.sh Executable file
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@ -0,0 +1,87 @@
#!/bin/bash
#Name der Zone
DomainZone="d.b.9.2.2.0.6.5.3.4.d.f.ip6.arpa."
#Positionen und Namen der Forward Lookup Zone Files
ForwardZoneFiles=("/srv/fff-dns/db.fff.community")
ReverseZoneFile="/var/lib/bind/db.fd43-5602-29bd"
#Temporäres Verzeichnis - muss pro Zone exclusiv sein!
TempDir="/tmp/d.b.9.2.2.0.6.5.3.4.d.f.ip6.arpa"
#TTL
TTL=3600
#refresh
refresh=2000
#retry
retry=6400
#expire
expire=2419200
#minimum
minimum=86400
#contact-mail
contact=franken.freifunk.net.
#responsible DNS Server by name (for reverseDNS your own)
responsible=aquarius.gw.fff.community.
#################################################################
function dnsreload {
systemctl reload bind9
}
function validate_ip() {
local ip=$1
local stat=1
if [[ $ip =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
OIFS=$IFS
IFS='.'
ip=($ip)
IFS=$OIFS
[[ ${ip[0]} -le 255 && ${ip[1]} -le 255 \
&& ${ip[2]} -le 255 && ${ip[3]} -le 255 ]]
stat=$?
fi
return $stat
}
mkdir -p $TempDir
Serials=()
for ForwardZoneFile in "${ForwardZoneFiles[@]}"
do
ZoneName=$(cat $ForwardZoneFile | grep SOA | awk '{ print $1 }' | head -n 1)
named-compilezone -o "$TempDir/$ZoneName" $ZoneName $ForwardZoneFile >/dev/null 2>&1
serial=$(cat "$TempDir/$ZoneName" | grep SOA | awk '{ print $7 }' | head -n 1)
Serials+=( "$serial" )
done
Serials=( $( for i in ${Serials[@]}; do echo "$i"; done | sort -rn ) )
serial=${Serials[0]}
echo "$DomainZone $TTL IN SOA $responsible $contact $serial $refresh $retry $expire $minimum" > "$TempDir/$DomainZone"
echo "$DomainZone $TTL IN NS $responsible" >> "$TempDir/$DomainZone"
for ForwardZoneFile in $(ls $TempDir)
do
Hosts=($(cat "$TempDir/$ForwardZoneFile" | grep -v SOA | grep -Fv "*" | awk '{ print $1 }'))
IPs=$(cat "$TempDir/$ForwardZoneFile" | grep -v SOA | grep -Fv "*" | awk '{ print $5 }')
i=0
for IP in $IPs; do
if rdns=$(sipcalc -r "$IP" | grep -F "ip6.arpa."); then
echo "$rdns $TTL IN PTR ${Hosts[$i]}" >> "$TempDir/$DomainZone"
fi
i=$((i+1))
done
done
if [ -f $ReverseZoneFile ]; then
oldSerial=$(grep SOA $ReverseZoneFile | awk 'NR==1{print $7}')
else
oldSerial=0
fi
if [ $serial -gt $oldSerial ]
then
named-compilezone -o $ReverseZoneFile $DomainZone "$TempDir/$DomainZone" >/dev/null 2>&1
dnsreload
fi
rm -r $TempDir

2
update-dns.sh Normal file → Executable file
View File

@ -16,8 +16,8 @@ git pull -q --ff-only
/srv/fff-scripts/10-50-reverse.sh
/srv/fff-scripts/10-83-reverse.sh
/srv/fff-scripts/fd43-5602-29bd-reverse.sh
if [ "$oldhash" != "$(git rev-parse HEAD)" ]; then
/bin/systemctl reload bind9
fi