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Reorder certificate check

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First order of business is to verify certificate before even thinking
about if the request is possible
This commit is contained in:
Jarrod Johnson
2018-07-20 13:34:14 -04:00
parent 3ff7e42074
commit e5c4219ee9
1 changed files with 9 additions and 9 deletions
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18
confluent_server/confluent/collective/manager.py
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@@ -350,6 +350,15 @@ def handle_connection(connection, cert, request, local=False):
populate_collinfo(collinfo)
tlvdata.send(connection, collinfo)
if 'connect' == operation:
drone = request['name']
droneinfo = cfm.get_collective_member(drone)
if not (droneinfo and util.cert_matches(droneinfo['fingerprint'],
cert)):
tlvdata.send(connection,
{'error': 'Invalid certificate, '
'redo invitation process'})
connection.close()
return
myself = connection.getsockname()[0]
if myself != get_leader(connection):
tlvdata.send(
@@ -363,15 +372,6 @@ def handle_connection(connection, cert, request, local=False):
'backoff': True})
connection.close()
return
drone = request['name']
droneinfo = cfm.get_collective_member(drone)
if not (droneinfo and util.cert_matches(droneinfo['fingerprint'],
cert)):
tlvdata.send(connection,
{'error': 'Invalid certificate, '
'redo invitation process'})
connection.close()
return
if request['txcount'] > cfm._txcount:
retire_as_leader()
tlvdata.send(connection,