From 5643532bd9e90b45f4898d393cb1fdefd362f4a7 Mon Sep 17 00:00:00 2001
From: Roger Dingledine <arma@torproject.org>
Date: Sun, 17 Jul 2005 21:13:36 +0000
Subject: [PATCH] if the controller asks to extendcircuit to circid 0, we need
 to init the circuit before we can add hops to its cpath.

svn:r4586
---
 src/or/control.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/or/control.c b/src/or/control.c
index 876c4b26a5..cdb8b8ef65 100644
--- a/src/or/control.c
+++ b/src/or/control.c
@@ -1426,6 +1426,11 @@ handle_control_extendcircuit(connection_t *conn, uint32_t len,
     goto done;
   }
 
+  if (!zero_circ) {
+    /* start a new circuit */
+    circ = circuit_init(CIRCUIT_PURPOSE_C_GENERAL, 0, 0, 0);
+  }
+
   /* now circ refers to something that is ready to be extended */
   SMARTLIST_FOREACH(routers, routerinfo_t *, r,
   {