HSQLDB write file support (#4379)

* Make asterisk work with --csrf-token option

* add --file-write support in HSQLDB

Co-authored-by: tree <chtpt@treedeMacBook-Pro.local>

plugins/dbms/hsqldb/fingerprint.py

@@ -144,3 +144,13 @@ class Fingerprint(GenericFingerprint):
     def getHostname(self):
         warnMsg = "on HSQLDB it is not possible to enumerate the hostname"
         logger.warn(warnMsg)
+
+
+    def checkDbmsOs(self, detailed=False):
+        if Backend.getOs():
+            infoMsg = "the back-end DBMS operating system is %s" % Backend.getOs()
+            logger.info(infoMsg)
+        else:
+            self.userChooseDbmsOs()
+
+