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nipapd: Close LDAP connection after authentication #1369

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merged 1 commit into from
May 20, 2024
Merged

nipapd: Close LDAP connection after authentication #1369

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26 changes: 16 additions & 10 deletions nipap/nipap/authlib.py
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Original file line number Diff line number Diff line change
Expand Up @@ -495,16 +495,6 @@ def __init__(self, name, username, password, authoritative_source, auth_options=
self._ldap_search_password = self._cfg.get(base_auth_backend, 'search_password')
self._ldap_search_conn = ldap.initialize(self._ldap_uri)

if self._ldap_tls:
try:
self._ldap_conn.start_tls_s()
if self._ldap_search_conn is not None:
self._ldap_search_conn.start_tls_s()
except (ldap.CONNECT_ERROR, ldap.SERVER_DOWN) as exc:
self._logger.error('Attempted to start TLS with ldap server but failed.')
self._logger.exception(exc)
raise AuthError('Unable to establish secure connection to ldap server')

@create_span_authenticate
def authenticate(self):
""" Verify authentication.
Expand All @@ -517,6 +507,17 @@ def authenticate(self):
if self._authenticated is not None:
return self._authenticated

# Start TLS session, if needed
if self._ldap_tls:
try:
self._ldap_conn.start_tls_s()
if self._ldap_search_conn is not None:
self._ldap_search_conn.start_tls_s()
except (ldap.CONNECT_ERROR, ldap.SERVER_DOWN) as exc:
self._logger.error('Attempted to start TLS with ldap server but failed.')
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line too long (89 > 79 characters)

self._logger.exception(exc)
raise AuthError('Unable to establish secure connection to ldap server')
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line too long (87 > 79 characters)


try:
self._ldap_conn.simple_bind_s(self._ldap_binddn_fmt.format(ldap.dn.escape_dn_chars(self.username)),
self.password)
Expand Down Expand Up @@ -585,6 +586,11 @@ def authenticate(self):
if self._ldap_rw_group or self._ldap_ro_group:
self._authenticated = False
return self._authenticated
finally:
# Unbind from LDAP server
self._ldap_conn.unbind_s()
if self._ldap_search_conn is not None:
self._ldap_search_conn.unbind_s()

self._authenticated = True

Expand Down
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