dropbear: added sample config file for dropbear

pkgs/dropbear/etc_conf_dropbear.sample.txt

@@ -0,0 +1,29 @@
+# --- SDE-COPYRIGHT-NOTE-BEGIN ---
+# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
+#
+# Filename: target/sheba/pkgs/dropbear/etc_conf_dropbear.sample.txt
+# Copyright (C) 2010 The OpenSDE Project
+#
+# More information can be found in the files COPYING and README.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; version 2 of the License. A copy of the
+# GNU General Public License can be found in the file COPYING.
+# --- SDE-COPYRIGHT-NOTE-END ---
+
+addresses() {
+	ip -o addr 2> /dev/null |
+		grep -v -e '^.: lo ' -e ' secondary ' |
+		sed -ne 's,.* inet \([^ /]\+\)/.*,\1,p'
+}
+
+DROPBEAR_LISTEN=
+for x in $(addresses); do
+	case "$x" in
+	10.*)	DROPBEAR_LISTEN="$DROPBEAR_LISTEN $x:22" ;;
+	*)	DROPBEAR_LISTEN="$DROPBEAR_LISTEN $x:2200" ;;
+	esac
+done
+
+DROPBEAR_PASSWD=no