lowercase usernames

jconf

@@ -39,59 +39,73 @@ if [ "$#" -lt 1 ]; then
     exit 1
 fi
 
+if [[ "$EUID" -ne 0 ]]; then
+    echo "Run the script as root"
+    exit 2
+fi
+
+
 cmd=$1
 case "$cmd" in
     adduser)
-
+        USER=$(echo "$2" | tr "[:upper:]" "[:lower:]")
-        exist=$(awk -F: -v username="$2" '{if ($1 == username && $3 >= 1000 && $1 != "nobody") {print 1; found=1; exit}} END {if (!found) print 0}' /etc/passwd)
+        exist=$(awk -F: -v username="$USER" '{if ($1 == username && $3 >= 1000 && $1 != "nobody") {print 1; found=1; exit}} END {if (!found) print 0}' /etc/passwd)
         if [ "$exist" -eq  1 ]; then
-            echo "$2 user already exists"
+            echo "$USER user already exists"
         else
-            while true; do
+            read -rp "Do you want to create an user account $USER [y/N]:" yn
-                read -p "Do you want to create an user account $2 [Y/n]:" yn
             case $yn in
-                    [Yy]* ) 
+                [Yy])
-                        useradd $2;
+                    useradd "$USER"
-                        echo "Enter the password for $2:";
+                    echo "Enter the password for $USER"
-                        passwd $2
+                    passwd "$USER"
-                        echo "$2 user account created successfully";
+                    echo "$USER user account created successfully"
-                        break;;
+                    ;;
-                    [Nn]* ) exit 1;;
+                [Nn])
-                    * ) echo "Please answer Y or N.";;
+                    exit 1
+                    ;;
+                * )
+                    echo "Please answer Y or N."
+                    ;;
             esac
-            done
         fi
         exit 1
         ;;
-    
     deluser)
-
+        USER=$(echo "$2" | tr "[:upper:]" "[:lower:]")
-        exist=$(awk -F: -v username="$2" '{if ($1 == username && $3 >= 1000 && $1 != "nobody") {print 1; found=1; exit}} END {if (!found) print 0}' /etc/passwd)
+        exist=$(awk -F: -v username="$USER" '{if ($1 == username && $3 >= 1000 && $1 != "nobody") {print 1; found=1; exit}} END {if (!found) print 0}' /etc/passwd)
         if [ "$exist" -eq  0 ]; then
-            echo "$2 user doesn't exist"
+            echo "$USER user doesn't exist"
             exit 1
         else
-
+            read -rp "Do you want to delete $USER user account? [y/N]:" yn
-            while true; do
-                read -p "Do you want to delete $2 user account? [Y/n]:" yn
             case $yn in
-                    [Yy]* ) 
+                [Yy])
-                        userdel -rRZ $2;
+                    ;;
-                        echo "$2 user account deleted successfully";
+                *)
-                        break;;
+                    exit 1
-                    [Nn]* ) exit 1;;
+                    ;;
-                    * ) echo "Please answer yes or no.";;
+            esac
+            read -rp "This DELETES $USER's data, are you sure? [y/N]:" yn
+            case $yn in
+                [Yy])
+                    userdel -rRZ "$USER";
+                    echo "$USER user account deleted successfully"
+                    ;;
+                [Nn])
+                    exit 1
+                    ;;
+                * )
+                    echo "Please answer Y or N."
+                    ;;
             esac
-            done
         fi
         exit 1
         ;;
-        
+    listusers|ls)
-    listusers)
+        husers=$(awk -F: '{ if ($3 >= 1000 && $1 != "nobody" ) {print $1}}' /etc/passwd)
-        husers= awk -F: '{ if ($3 >= 1000 && $1 != "nobody" ) {print $1}}' /etc/passwd 
+        echo "$husers"
-        echo $husers
         ;;
-    
     start)
         echo
         ;;