1 files changed, 67 insertions, 0 deletions
diff --git a/main/unbound/migrate-dnscache-to-unbound b/main/unbound/migrate-dnscache-to-unbound
new file mode 100644
index 0000000000..a2ad99e4f7
--- /dev/null
+++ b/main/unbound/migrate-dnscache-to-unbound
@@ -0,0 +1,67 @@
+#!/bin/sh
+
+
+to_subnet() {
+	pref=$1
+	case "$pref" in
+	*.*.*.*) echo $pref/32;;
+	*.*.*) echo $pref.0/24;;
+	*.*) echo $pref.0.0/16;;
+	*) echo $pref.0.0.0/8;;
+	esac
+}
+
+gen_stub_zones() {
+	local zonefile ip
+	local fwdtype="stub"
+	if [ -n "$FORWARDONLY" ]; then
+		fwdtype="forward"
+	fi
+	for zonefile in "$root"/etc/dnscache/servers/*; do
+		local zone=${zonefile##*/}
+		if [ "$zone" = "@" ] || [ "$zone" = '*' ]; then
+			continue
+		fi
+		
+		echo "${fwdtype}-zone:"
+		echo -e "\tname: ${zone}"
+		for ip in $(cat $zonefile); do
+			echo -e "\t${fwdtype}-addr: $ip"
+		done
+		echo ""
+	done
+}
+
+root=${root:-/}
+while getopts "r:" opt; do
+	case "$opt" in
+	'r') root="$OPTARG";;
+	esac
+done
+
+confd="$root"/etc/conf.d/dnscache
+if [ -r "$confd" ]; then
+	. "$confd"
+fi
+
+interface="$IP"
+outgoing_interface="$IPSEND"
+
+echo $IPSEND
+echo $IP
+echo $FORWARDONLY
+
+for i in "$root"/etc/dnscache/ip/*; do
+	[ -f "$i" ] || continue
+	access_control="$access_control $(to_subnet ${i##*/})"
+done
+
+echo -e "\tinterface: $IP\n"
+echo -e "\toutgoing-interface: $IPSEND\n"
+for i in $access_control; do
+	echo -e "\taccess-control: $i allow"
+done
+echo ""
+
+gen_stub_zones
+