Add necessary code to parse and handle required/recommended protocols

1 files changed, 10 insertions, 0 deletions

diff --git a/src/or/or.h b/src/or/or.h
index 39b124fb48..e9d41eeef8 100644
--- a/src/or/or.h
+++ b/src/or/or.h
@@ -2525,6 +2525,16 @@ typedef struct networkstatus_t {
    * voter has no opinion. */
   char *client_versions;
   char *server_versions;
+
+  /** Lists of subprotocol versions which are _recommended_ for relays and
+   * clients, or which are _require_ for relays and clients. Tor shouldn't
+   * make any more network connections if a required protocol is missing.
+   */
+  char *recommended_relay_protocols;
+  char *recommended_client_protocols;
+  char *required_relay_protocols;
+  char *required_client_protocols;
+
   /** List of flags that this vote/consensus applies to routers.  If a flag is
    * not listed here, the voter has no opinion on what its value should be. */
   smartlist_t *known_flags;