[eit.commands.command] add support for unprivileged commands execution

server/eit/commands/command.py

@@ -31,6 +31,8 @@ class EitCommand(object):
     ALIASES = []
     # Set this to True if command is a catch-all (fallback)
     CATCH_ALL = False
+    # Allow unprivileged access ?
+    ALLOW_UNPRIVILEGED = False
 
     def __init__(self, args):
         self._args = args

server/eit/main.py

@@ -69,8 +69,9 @@ def main():
     allowed = True
     if os.getuid() != 0 and \
             cmd_class is not catch_all:
-        cmd_class = catch_all
-        allowed = False
+        if not cmd_class.ALLOW_UNPRIVILEGED:
+            cmd_class = catch_all
+            allowed = False
 
     cmd_obj = cmd_class(args)
     func, func_args = cmd_obj.parse()