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Fix SPNEGO crash #74

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7 changes: 4 additions & 3 deletions gssapi/raw/sec_contexts.pyx
Original file line number Diff line number Diff line change
Expand Up @@ -204,7 +204,7 @@ flags=None, lifetime=None, channel_bindings=None, input_token=None)
input_token_buffer.value = input_token
input_token_buffer.length = len(input_token)

cdef gss_OID actual_mech_type
cdef gss_OID actual_mech_type = GSS_C_NO_OID
cdef gss_buffer_desc output_token_buffer = gss_buffer_desc(0, NULL)
cdef OM_uint32 ret_flags
cdef OM_uint32 output_ttl
Expand Down Expand Up @@ -232,7 +232,9 @@ flags=None, lifetime=None, channel_bindings=None, input_token=None)

cdef OID output_mech_type = OID()
if maj_stat == GSS_S_COMPLETE or maj_stat == GSS_S_CONTINUE_NEEDED:
output_mech_type.raw_oid = actual_mech_type[0]
if actual_mech_type is not GSS_C_NO_OID:
output_mech_type.raw_oid = actual_mech_type[0]

return InitSecContextResult(output_context, output_mech_type,
IntEnumFlagSet(RequirementFlag, ret_flags),
output_token,
Expand Down Expand Up @@ -362,7 +364,6 @@ channel_bindings=None)
ret_flags),
output_ttl_py, oc,
maj_stat == GSS_S_CONTINUE_NEEDED)
return res
else:
raise GSSError(maj_stat, min_stat, token=output_token)

Expand Down