1 files changed, 23 insertions, 1 deletions
diff --git a/src/ubpasswd.sh b/src/ubpasswd.sh
index 9fea52d..65e35eb 100755
--- a/src/ubpasswd.sh
+++ b/src/ubpasswd.sh
@@ -27,6 +27,10 @@ usage() {
   echo "ubpasswd [-u] [-d] [-s salt] [password]"
   echo "  -u        means u-boot only (not UNIX password)"
   echo "  -s        salt is user supplied salt"
+  echo "  -r        returns true if U-Boot password"
+  echo "            is currently required"
+  echo "  -f        returns true if U-Boot password"
+  echo "            feature is available."
   echo "  -d        debug"
   echo "  password  is a user supplied password"
   echo "A salt not supplied is generated."
@@ -37,8 +41,17 @@ usage() {
 ((hassalt=0))
 ((debug=0))
 ((upwd=0))
-while getopts ":dus:" opt; do
+while getopts ":dfrs:u" opt; do
   case $opt in
+    f)
+      if ! /bin/fgrep "mts password protected" /dev/mtdblock2 >/dev/null 2>&1;  then
+	echo "U-Boot does not support password protection."
+        exit 1
+      else
+	echo "U-Boot supports password protection."
+        exit 0
+      fi
+      ;;
     u)
       ((ubonly=1))
       ;;
@@ -46,6 +59,15 @@ while getopts ":dus:" opt; do
       salt="$OPTARG"
       ((hassalt=1)) 
       ;;
+    r)
+      if /usr/bin/u-boot printenv mtsp >/dev/null 2>&1 ; then
+	echo "U-Boot password protection is on"
+        exit 0
+      else
+	echo "U-Boot password protection is off"
+        exit 1
+      fi
+      ;;
     d)
       ((debug=1))
       ;;