Initial import

update_ipv4_adress_space.sh

@@ -0,0 +1,59 @@
+#!/bin/sh
+
+update_url="http://www.iana.org/assignments/ipv4-address-space/ipv4-address-space.txt"
+
+base_dnscache_dir=/opt/dnscache
+dnscache_ip_dir=${base_dnscache_dir}/root/ip
+
+if [ ! -d $base_dnscache_dir -o ! -d $dnscache_ip_dir ]; then
+   echo
+   echo "[ ERROR ]: Installtion directory for dnscache not found"
+   echo "           exiting now.."
+   echo
+   exit 1
+fi
+   
+
+
+
+tmp_file="/tmp/ipv4_addresss_space.$$.lst"
+
+wget $update_url -O $tmp_file > /dev/null 2>&1
+
+if [ $? -gt 0 ];then
+   echo
+   echo "[ ERROR ]: cannot fetch $update_url "
+   echo "           exiting now.."
+   echo
+   rm -f $tmp_file
+   exit 2
+fi
+
+adress_spaces=`grep -e " \(ALLOCATED\)$\|\(LEGACY\)$" $tmp_file | awk '{print$1}' | cut -d "/" -f 1 |  sed -e's/^0*\(.*\)$/\1/'`
+
+if [ -z "$adress_spaces" ] ; then
+   echo
+   echo "[ ERROR ]: No adress space data found $update_url "
+   echo "           exiting now.."
+   echo
+   rm -f $tmp_file
+   exit 3
+fi
+
+## - delete old entries..
+## -
+rm -rf $dnscache_ip_dir/*
+
+cd $dnscache_ip_dir
+      
+for i in $adress_spaces; do
+   touch ${i}
+done
+
+## - send the servive a HUP signal
+## -
+svc -h $base_dnscache_dir
+
+rm -f $tmp_file
+
+exit 0