From cd68031aec2bccad647cda5d1bb82454dfb0e158 Mon Sep 17 00:00:00 2001
From: Matthew Finkel <Matthew.Finkel@gmail.com>
Date: Wed, 13 Nov 2013 23:24:19 +0000
Subject: Use AlternateDirAuthority when Bridge Authority exists in network

Setting both DirServer and AlternateBridgeAuthority are incompatible. We
should use AlternateDirAuthority when we also have a Bridge Authority.
---
 lib/chutney/TorNet.py | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/lib/chutney/TorNet.py b/lib/chutney/TorNet.py
index c377a03..77e768a 100644
--- a/lib/chutney/TorNet.py
+++ b/lib/chutney/TorNet.py
@@ -302,7 +302,7 @@ class LocalNodeBuilder(NodeBuilder):
         assert re.match(r'^[A-F0-9]{40}$', fingerprint)
         self._env['fingerprint'] = fingerprint
 
-    def _getAltAuthLines(self):
+    def _getAltAuthLines(self, hasbridgeauth=False):
         """Return a combination of AlternateDirAuthority,
         AlternateHSAuthority and AlternateBridgeAuthority lines for
         this Node, appropriately.  Non-authorities return ""."""
@@ -330,8 +330,10 @@ class LocalNodeBuilder(NodeBuilder):
             # the 'hs' and 'v3ident' flags set.
             # XXXX This next line is needed for 'bridges' but breaks
             # 'basic'
-            #options = ("AlternateDirAuthority",)
-            options = ("DirServer",)
+            if hasbridgeauth:
+                options = ("AlternateDirAuthority",)
+	    else:
+                options = ("DirAuthority",)
             self._env['dirserver_flags'] += " hs v3ident=%s" % v3id
 
         authlines = ""
@@ -470,6 +472,7 @@ class LocalNodeController(NodeController):
 DEFAULTS = {
     'authority' : False,
     'bridgeauthority' : False,
+    'hasbridgeauth' : False,
     'relay' : False,
     'bridge' : False,
     'connlimit' : 60,
@@ -575,7 +578,8 @@ class Network(object):
 
         for b in builders:
             b.preConfig(network)
-            altauthlines.append(b._getAltAuthLines())
+            altauthlines.append(b._getAltAuthLines(
+                                    self._dfltEnv['hasbridgeauth']))
             bridgelines.append(b._getBridgeLines())
 
         self._dfltEnv['authorities'] = "".join(altauthlines)
@@ -656,6 +660,8 @@ def ConfigureNodes(nodelist):
 
     for n in nodelist:
         network._addNode(n)
+        if n._env['bridgeauthority']:
+            network._dfltEnv['hasbridgeauth'] = True
 
 def usage(network):
     return "\n".join(["Usage: chutney {command} {networkfile}",
-- 
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