PYTHON-932 - Attribute err in GSSAPI / Kerberos

Author: ajdavis

pymongo/auth.py

@@ -241,8 +241,9 @@ def _authenticate_gssapi(credentials, sock_info):
  gsn = credentials.mechanism_properties.service_name
  # Starting here and continuing through the while loop below - establish
  # the security context. See RFC 4752, Section 3.1, first paragraph.
+ host = sock_info.address[0]
  result, ctx = kerberos.authGSSClientInit(
- gsn + '@' + sock_info.host, gssflags=kerberos.GSS_C_MUTUAL_FLAG)
+ gsn + '@' + host, gssflags=kerberos.GSS_C_MUTUAL_FLAG)
 
  if result != kerberos.AUTH_GSS_COMPLETE:
  raise OperationFailure('Kerberos context failed to initialize.')