Add a DisableV2DirectoryInfo_ option to 404 all v2 ns requests

I have no idea whether b0rken clients will DoS the network if the v2
authorities all turn this on or not.  It's experimental. See #6783 for
a description of how to test it more or less safely, and please be
careful!

1 files changed, 10 insertions, 0 deletions

diff --git a/src/or/or.h b/src/or/or.h
index 45eb4673ce..0f5dbd6ad5 100644
--- a/src/or/or.h
+++ b/src/or/or.h
@@ -3999,6 +3999,16 @@ typedef struct {
 
   /** Fraction: */
   double PathsNeededToBuildCircuits;
+
+  /** Do we serve v2 directory info at all?  This is a temporary option, since
+   * we'd like to disable v2 directory serving entirely, but we need a way to
+   * make it temporarily disableable, in order to do fast testing and be
+   * able to turn it back on if it turns out to be non-workable.
+   *
+   * XXXX024 Don't actually leave this in.
+   */
+  int DisableV2DirectoryInfo_;
+
 } or_options_t;
 
 /** Persistent state for an onion router, as saved to disk. */