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authorLance Stout <lancestout@gmail.com>2012-06-08 09:31:44 -0700
committerLance Stout <lancestout@gmail.com>2012-06-08 09:31:44 -0700
commit48dd01b0bb7db1d93bf2d21e681939bfcd2f1297 (patch)
treea61d6c808825be9f3f554ef6f51f075de9dfb606 /sleekxmpp/xmlstream
parent7247efe05518ad9468dc52a6066f38f78cbc599e (diff)
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Ensure that all SSL cert error handling is overridable using event handlers.
Relevant events: ssl_invalid_cert ssl_invalid_chain ssl_expired_cert
Diffstat (limited to 'sleekxmpp/xmlstream')
-rw-r--r--sleekxmpp/xmlstream/xmlstream.py37
1 files changed, 29 insertions, 8 deletions
diff --git a/sleekxmpp/xmlstream/xmlstream.py b/sleekxmpp/xmlstream/xmlstream.py
index ac0fc256..7376d56d 100644
--- a/sleekxmpp/xmlstream/xmlstream.py
+++ b/sleekxmpp/xmlstream/xmlstream.py
@@ -493,7 +493,8 @@ class XMLStream(object):
ssl_socket = ssl.wrap_socket(self.socket,
ca_certs=self.ca_certs,
- cert_reqs=cert_policy)
+ cert_reqs=cert_policy,
+ do_handshake_on_connect=False)
if hasattr(self.socket, 'socket'):
# We are using a testing socket, so preserve the top
@@ -510,6 +511,17 @@ class XMLStream(object):
log.debug("Connecting to %s:%s", domain, self.address[1])
self.socket.connect(self.address)
+ try:
+ self.socket.do_handshake()
+ except:
+ log.error('CERT: Invalid certificate trust chain.')
+ if not self.event_handled('ssl_invalid_chain'):
+ self.disconnect(self.auto_reconnect, send_close=False)
+ else:
+ self.event('ssl_invalid_chain', direct=True)
+ return False
+
+
if self.use_ssl and self.ssl_support:
self._der_cert = self.socket.getpeercert(binary_form=True)
pem_cert = ssl.DER_cert_to_PEM_cert(self._der_cert)
@@ -520,8 +532,10 @@ class XMLStream(object):
cert.verify(self._expected_server_name, self._der_cert)
except cert.CertificateError as err:
log.error(err.message)
- self.event('ssl_invalid_cert', cert, direct=True)
- self.disconnect(send_close=False)
+ if not self.event_handled('ssl_invalid_cert'):
+ self.disconnect(send_close=False)
+ else:
+ self.event('ssl_invalid_cert', cert, direct=True)
self.set_socket(self.socket, ignore=True)
#this event is where you should set your application state
@@ -790,8 +804,10 @@ class XMLStream(object):
self.socket.do_handshake()
except:
log.error('CERT: Invalid certificate trust chain.')
- self.event('ssl_invalid_chain', direct=True)
- self.disconnect(self.auto_reconnect, send_close=False)
+ if not self.event_handled('ssl_invalid_chain'):
+ self.disconnect(self.auto_reconnect, send_close=False)
+ else:
+ self.event('ssl_invalid_chain', direct=True)
return False
self._der_cert = self.socket.getpeercert(binary_form=True)
@@ -803,9 +819,10 @@ class XMLStream(object):
cert.verify(self._expected_server_name, self._der_cert)
except cert.CertificateError as err:
log.error(err.message)
- self.event('ssl_invalid_cert', cert, direct=True)
if not self.event_handled('ssl_invalid_cert'):
self.disconnect(self.auto_reconnect, send_close=False)
+ else:
+ self.event('ssl_invalid_cert', cert, direct=True)
self.set_socket(self.socket)
return True
@@ -820,8 +837,12 @@ class XMLStream(object):
return
def restart():
- log.warn("The server certificate has expired. Restarting.")
- self.reconnect()
+ if not self.event_handled('ssl_expired_cert'):
+ log.warn("The server certificate has expired. Restarting.")
+ self.reconnect()
+ else:
+ pem_cert = ssl.DER_cert_to_PEM_cert(self._der_cert)
+ self.event('ssl_expired_cert', pem_cert)
cert_ttl = cert.get_ttl(self._der_cert)
if cert_ttl is None: