defaultenv-2: add login support

request password to login is a timeout is specified and /env/etc/passwd
present

ensure we have not console access execpt when allowed

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

defaultenv-2/base/bin/init

@@ -16,14 +16,24 @@ global editcmd=sedit
 [ -e /env/config-board ] && /env/config-board
 /env/config
 
+# request password to login if a timeout is specified and password set
+if [ -n ${global.login.timeout} ]; then
+	[ ${global.login.timeout} -gt 0 ] && login_cmd=login
+fi
+# allow the input if not
+[ -n ${global.console.input_allow} ] && global.console.input_allow=1
+
 # allow to stop the boot before execute the /env/init/*
 # but without waiting
 timeout -s -a -v key 0
 
 if [ "${key}" = "q" ]; then
+	${login_cmd}
 	exit
 fi
 
+[ -n ${login_cmd} ] && global.console.input_allow=0
+
 for i in /env/init/*; do
 	. $i
 done
@@ -34,10 +44,15 @@ else
 	echo -e -n "\nHit any key to stop autoboot: "
 fi
 
+[ -n ${login_cmd} ] && global.console.input_allow=1
+
 timeout -a $global.autoboot_timeout -v key
 autoboot="$?"
 
+[ -n ${login_cmd} ] && global.console.input_allow=0
+
 if [ "${key}" = "q" ]; then
+	${login_cmd}
 	exit
 fi
 
@@ -46,9 +61,12 @@ if [ "$autoboot" = 0 ]; then
 fi
 
 if [ -e /env/menu ]; then
+	${login_cmd}
 	if [ "${key}" != "m" ]; then
 		echo -e "\ntype exit to get to the menu"
 		sh
 	fi
 	/env/menu/mainmenu
 fi
+
+${login_cmd}