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#!/bin/bash
# made for bash. not sure if all /bin/sh work.
# be sure to set these variables first.
#RESDB_PATH=/var/db/resdb
#ZONEFILE_DIR=/etc/namedb
# optional:
: ${TLDS:=ano}
: ${RDNS_PREFIX:=21}
if [ ! "$ZONEFILE_DIR" ];then
echo "You forgot to set some variables. read the source plzkthx." >&2
exit 1
fi
# convert to hex
if [ "*" != "$RDNS_PREFIX" ];then
X=""
for PFX in $RDNS_PREFIX;do
C=`printf "%02X\n" $PFX 2>/dev/null`
[ -z "$X" ] && X="$C" || X="$X $C"
done
RDNS_PREFIX="$X"
fi
cd "$RESDB_PATH/db/ip" || exit 1
for PFX in $RDNS_PREFIX;do
cd "$RESDB_PATH/db/ip/$PFX" 2>/dev/null || continue
IP=$[0x$PFX]
DOM=$IP.in-addr.arpa
RDNS_ZONEFILE="$ZONEFILE_DIR/$DOM"
echo -n "generating IPv4 reverse lookup zonefile for $IP/8..." >&2
echo "; this zonefile genreated on: `date -u`" > "$RDNS_ZONEFILE".tmp
echo '$TTL 3600' >> "$RDNS_ZONEFILE".tmp
echo '$ORIGIN' $DOM. >> "$RDNS_ZONEFILE".tmp
echo '@ IN SOA @ root ('`date -u +" %Y%m%d%H"`' 60 300 3600000 3600 )' >> "$RDNS_ZONEFILE".tmp
echo '@ IN NS @' >> "$RDNS_ZONEFILE".tmp
echo '@ IN A 127.0.0.1' >> "$RDNS_ZONEFILE".tmp
for i in */*/ns/*;do
[ -e "$i" ] || continue
f=$(basename $i)
a=$(basename $(dirname $i))
b=$(basename $(dirname $(dirname $i)))
c=$(basename $(dirname $(dirname $(dirname $i))))
ipv4=`printf "%d.%d" $[0x${b}] $[0x${c}]`
printf "%-7s IN NS %s\n" $ipv4 ${f}.
done >> "$RDNS_ZONEFILE".tmp
mv -f "$RDNS_ZONEFILE".tmp "$RDNS_ZONEFILE"
echo " done." >&2
done
cd "$RESDB_PATH/db/dom"
for TLD in $TLDS;do
cd "$RESDB_PATH/db/dom/$TLD" 2>/dev/null || continue
ANO_ZONEFILE="$ZONEFILE_DIR/$TLD"
echo -n "generating .${TLD} TLD zonefile..." >&2
echo "; this zonefile genreated on: `date -u`" > "$ANO_ZONEFILE".tmp
echo '$TTL 3600' >> "$ANO_ZONEFILE".tmp
echo '$ORIGIN' $TLD. >> "$ANO_ZONEFILE".tmp
echo '@ IN SOA @ root ('`date -u +" %Y%m%d%H"`' 60 300 3600000 3600 )' >> "$ANO_ZONEFILE".tmp
echo '@ IN NS @' >> "$ANO_ZONEFILE".tmp
echo '@ IN A 127.0.0.1' >> "$ANO_ZONEFILE".tmp
for name in *;do
if [ -d "$name/ns" ];then
for server in "$name"/ns/*;do
[ -e "$server" ] || continue
fqserver=`cut -d/ -f3- <<< "$server"`
echo -e "${name}\tIN NS\t${fqserver}."
for ip in $(cat $server);do
if grep ':' <<< "$ip" > /dev/null;then
printf '%s.\tIN AAAA\t%s\n' "${fqserver}" "${ip}"
else
printf '%s.\tIN A\t%s\n' "${fqserver}" "${ip}"
fi
done
done
fi
done >> "$ANO_ZONEFILE".tmp
mv -f "$ANO_ZONEFILE".tmp "$ANO_ZONEFILE"
echo " done." >&2
done
echo might want to send a sighup to your named now. >&2
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