Fixed error logging for no magic

cuckoo.py

@@ -33,7 +33,7 @@
 from cuckoo.common.constants import *
 from cuckoo.core.db import CuckooDatabase
 from cuckoo.core.getpackage import get_package
-from cuckoo.common.getfiletype import get_file_type, IS_MAGIC
+from cuckoo.common.getfiletype import get_file_type
 from cuckoo.common.crash import crash
 
 # Check the virtualization engine from the config fle and tries to retrieve
@@ -341,6 +341,15 @@ def run(self):
         # the correct one depending on the file type of the target.
         if self.task["package"] is None:
             file_type = get_file_type(self.task["target"])
+
+            if not file_type:
+                log.error("You didn't specify an analysis package and I was "   \
+                          "not able to automatically detect it, therefore the " \
+                          "analysis cannot be initiated. Abort.")
+                self.db.complete(self.task["id"], False)
+                self._processing(None, CUCKOO_ERROR_NO_MAGIC)
+                return False
+
             package = get_package(file_type)
             current_extension = os.path.splitext(self.dst_filename)[1].lower()