Add ipset-dns - a tiny DNS proxy service which puts resolved ip addresses into a...

[openwrt.git] / package / network / services / ipset-dns / files / ipset-dns.init

diff --git a/package/network/services/ipset-dns/files/ipset-dns.init b/package/network/services/ipset-dns/files/ipset-dns.init
new file mode 100755 (executable)
index 0000000..5d41539
--- /dev/null
+++ b/package/network/services/ipset-dns/files/ipset-dns.init
@@ -0,0 +1,64 @@
+#!/bin/sh /etc/rc.common
+# Copyright (C) 2013 OpenWrt.org
+
+START=61
+
+SERVICE_DAEMONIZE=1
+SERVICE_WRITE_PID=1
+
+
+find_nameserver() {
+       . /lib/functions/network.sh
+
+       local tmp
+       if network_find_wan tmp && network_get_dnsserver tmp "$tmp"; then
+               echo "${tmp%% *}"
+               return 0
+       fi
+
+       return 1
+}
+
+start_instance() {
+       local cfg="$1"
+       local ipset port dns
+
+       config_get ipset "$cfg" ipset
+       [ -n "$ipset" ] || {
+               echo "No ipset specified for instance $cfg" >&2
+               return 1
+       }
+
+       config_get dns "$cfg" dns "$DEFNS"
+       [ -n "$dns" ] || {
+               echo "No DNS server specified for instance $cfg" >&2
+               return 1
+       }
+
+       config_get port "$cfg" port $((PORT++))
+
+       SERVICE_PID_FILE="/var/run/ipset-dns-$port.pid" \
+               service_start /usr/sbin/ipset-dns "$ipset" "$port" "$dns"
+}
+
+start() {
+       PORT=53001
+       DEFNS="$(find_nameserver)"
+
+       # required by ipset-dns to not daemonize itself
+       export NO_DAEMONIZE=1
+
+       config_load ipset-dns
+       config_foreach start_instance ipset-dns
+}
+
+stop() {
+       local pid
+       for pid in /var/run/ipset-dns-*.pid; do
+               [ -f "$pid" ] || continue
+               SERVICE_PID_FILE="$pid" \
+                       service_stop /usr/sbin/ipset-dns
+               rm -f "$pid"
+       done
+}
+