* @param gssctx GSS context
* @param auth_cb authorization callback
* @param auth_cookie generic data to pass to the authorization callback
* @return 0 on successful auth, 1 on disallowed auth, -1 on error
*/
static int tr_gss_auth_connection(int conn,
* @param gssctx GSS context
* @param auth_cb authorization callback
* @param auth_cookie generic data to pass to the authorization callback
* @return 0 on successful auth, 1 on disallowed auth, -1 on error
*/
static int tr_gss_auth_connection(int conn,