#include <sasl/sasl.h>


 int sasl_getprop(sasl_conn_t  *conn , 
  			 int  propnum ,     			 const void **  pvalue );   

SASL_USERNAME     -  pointer to NUL terminated user name 
SASL_SSF          -  security layer security strength factor,
                     if 0, call to sasl_encode, sasl_decode unnecessary
SASL_MAXOUTBUF    -  security layer max output buf unsigned 
SASL_DEFUSERREALM -  server authentication realm used 
SASL_GETOPTCTX    -  context for getopt callback 
SASL_IPLOCALPORT  -  local address string
SASL_IPREMOTEPORT -  remote address string
SASL_SERVICE      -  service passed to sasl_*_new
SASL_SERVERFQDN   -  serverFQDN passed to sasl_*_new
SASL_AUTHSOURCE   -  name of auth source last used, useful for failed
                     authentication tracking
SASL_MECHNAME     -  active mechanism name, if any
SASL_PLUGERR      -  similar to sasl_errdetail