SASL_SEC_PROPS
sasl_ok = sasl_setprop(conn, SASL_SEC_PROPS, &ssp) == SASL_OK;
saslresult = sasl_setprop(mci->mci_conn, SASL_SEC_PROPS, &ssp);
rc = sasl_getprop( sb->sb_sasl_ctx, SASL_SEC_PROPS,
sasl_setprop( ctx, SASL_SEC_PROPS, &ld->ld_sasl_secprops );
case SASL_SEC_PROPS:
case SASL_SEC_PROPS: