examples/var_service: new example: dnsmasq service

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 38 insertions, 0 deletions

diff --git a/examples/var_service/fw/etc/dnsmasq_servers.conf b/examples/var_service/fw/etc/dnsmasq_servers.conf
new file mode 100644
index 000000000..68313605f
--- /dev/null
+++ b/examples/var_service/fw/etc/dnsmasq_servers.conf
@@ -0,0 +1,38 @@
+#!/bin/bash
+
+empty=true
+
+prio=0
+i=0; while test "${if[$i]}"; do
+	test x"${dns_prio[$i]}" != x"" \
+	&& test "${dns_prio[$i]}" -gt "$prio" \
+	&& prio="${dns_prio[$i]}"
+let i++; done
+
+i=0; while test "${if[$i]}"; do
+	if test "${dnsmasq[$i]}"; then
+		for d in ${dnsmasq[$i]}; do
+			echo "$d"
+			empty=false
+		done
+		let i++;
+		continue
+	fi
+	# This iface has no dnsmasq-extended config.
+	# Use simple DNS names instead, if those exist.
+	for d in ${dns[$i]}; do
+		p="${dns_prio[$i]}"
+		test x"$p" == x"" && p=0
+		test x"$p" == x"$prio" || continue
+		echo "server=$d"
+		empty=false
+	done
+	let i++;
+done
+
+# Use Google DNS servers if nothing else is configured
+$empty && echo "server=8.8.8.8"
+$empty && echo "server=8.8.4.4"
+
+# SIGHUP: make dnsmasq reload config
+sv h dnsmasq