Github user arshadmohammad commented on a diff in the pull request:
https://github.com/apache/zookeeper/pull/179#discussion_r101819637
--- Diff:
src/java/main/org/apache/zookeeper/server/command/FourLetterCommands.java ---
@@ -153,13 +159,50 @@
*/
public final static int telnetCloseCmd = 0xfff4fffd;
- final static HashMap<Integer, String> cmd2String =
- new HashMap<Integer, String>();
+ private static final String ZOOKEEPER_4LW_COMMANDS_WHITELIST =
"zookeeper.4lw.commands.whitelist";
+
+ // A property only used in tests to turn on / off entire set of
supported four letter word commands.
+ private static final String ZOOKEEPER_4LW_TEST =
"zookeeper.test.4lw.enabled";
+
+ private static final Logger LOG =
LoggerFactory.getLogger(FourLetterCommands.class);
+
+ private static final Map<Integer, String> cmd2String = new
HashMap<Integer, String>();
+
+ private static final Set<String> whiteListedCommands = new
HashSet<String>();
public static Map<Integer, String> getCmdMapView() {
return Collections.unmodifiableMap(cmd2String);
}
+ // ZOOKEEPER-2693: Only allow white listed commands.
+ public static Set<String> getWhiteListedCmdView() {
+ if (!whiteListedCommands.isEmpty()) {
+ return Collections.unmodifiableSet(whiteListedCommands);
+ }
+
+ if (System.getProperty(ZOOKEEPER_4LW_TEST,
"false").equals("true")) {
--- End diff --
Should be removed as suggested in previous comment
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