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| author | Lance Stout <lancestout@gmail.com> | 2011-07-02 22:30:34 -0700 |
|---|---|---|
| committer | Lance Stout <lancestout@gmail.com> | 2011-07-02 22:30:55 -0700 |
| commit | b898b14b77d739cb1c118c9e3648aa268348d293 (patch) | |
| tree | f57d3675b65b5338d9f260629faa03be953fc9fe /sleekxmpp/features/feature_mechanisms/mechanisms.py | |
| parent | fba235a801a3a1c06d1769cdc944b72dce33f88a (diff) | |
| download | slixmpp-b898b14b77d739cb1c118c9e3648aa268348d293.tar.gz slixmpp-b898b14b77d739cb1c118c9e3648aa268348d293.tar.bz2 slixmpp-b898b14b77d739cb1c118c9e3648aa268348d293.tar.xz slixmpp-b898b14b77d739cb1c118c9e3648aa268348d293.zip | |
Use a set to track negotiated features.
Added guards to prevent renegotiating STARTTLS or SASL in cases where
servers don't behave properly.
Diffstat (limited to 'sleekxmpp/features/feature_mechanisms/mechanisms.py')
| -rw-r--r-- | sleekxmpp/features/feature_mechanisms/mechanisms.py | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sleekxmpp/features/feature_mechanisms/mechanisms.py b/sleekxmpp/features/feature_mechanisms/mechanisms.py index a8a046e4..011010fb 100644 --- a/sleekxmpp/features/feature_mechanisms/mechanisms.py +++ b/sleekxmpp/features/feature_mechanisms/mechanisms.py @@ -90,6 +90,11 @@ class feature_mechanisms(base_plugin): Arguments: features -- The stream features stanza. """ + if 'mechanisms' in self.xmpp.features: + # SASL authentication has already succeeded, but the + # server has incorrectly offered it again. + return False + for priority, mech in self._mechanism_priorities: if mech in features['mechanisms']: log.debug('Attempt to use SASL %s' % mech) @@ -105,7 +110,7 @@ class feature_mechanisms(base_plugin): def _handle_success(self, stanza): """SASL authentication succeeded. Restart the stream.""" self.xmpp.authenticated = True - self.xmpp.features.append('mechanisms') + self.xmpp.features.add('mechanisms') raise RestartStream() def _handle_fail(self, stanza): |