From ef7782289762770e8992aa880572418360ad2f81 Mon Sep 17 00:00:00 2001
From: William Wennerstr?m <william@willeponken.me>
Date: Fri, 1 Mar 2019 17:26:07 +0100
Subject: [PATCH] contrib/busybox-init: add init.d script for busybox init

---
 contrib/busybox-init/S42yggdrasil | 71 +++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100755 contrib/busybox-init/S42yggdrasil

diff --git a/contrib/busybox-init/S42yggdrasil b/contrib/busybox-init/S42yggdrasil
new file mode 100755
index 0000000..d09c3a7
--- /dev/null
+++ b/contrib/busybox-init/S42yggdrasil
@@ -0,0 +1,71 @@
+#!/bin/sh
+
+CONFFILE="/etc/yggdrasil.conf"
+
+genconf() {
+	/usr/bin/yggdrasil -genconf > "$1"
+	return $?
+}
+
+probetun() {
+	modprobe tun
+	return $?
+}
+
+start() {
+	if [ ! -f "$CONFFILE" ]; then
+		printf 'Generating configuration file: '
+		if genconf "$CONFFILE"; then
+			echo "OK"
+		else
+			echo "FAIL"
+			return 1
+		fi
+	fi
+
+	if [ ! -e /dev/net/tun ]; then
+		printf 'Inserting TUN module: '
+		if probetun; then
+			echo "OK"
+		else
+			echo "FAIL"
+			return 1
+		fi
+	fi
+
+	printf 'Starting yggdrasil: '
+	if start-stop-daemon -S -b -x /usr/bin/yggdrasil \
+		-- --useconf < "$CONFFILE"; then
+		echo "OK"
+	else
+		echo "FAIL"
+	fi
+}
+
+stop() {
+	printf "Stopping yggdrasil: "
+	if start-stop-daemon -K -q -x /usr/bin/yggdrasil; then
+		echo "OK"
+	else
+		echo "FAIL"
+	fi
+}
+
+restart() {
+	stop
+	start
+}
+
+reload() {
+	restart
+}
+
+case "$1" in
+	start|stop|restart|reload)
+		"$1";;
+	*)
+		echo "Usage: $0 {start|stop|restart}"
+		exit 1
+esac
+
+exit 0