}
}
- if (!client_start) {
+ /* client-start is only available with the SASL-IR extension, but
+ * SASL 2.1 seems to want to use it regardless, at least for DIGEST
+ * fast reauth. Override if the server sent an initial continuation */
+ if (!client_start || buf[0]) {
do {
rc = sasl_client_step (saslconn, buf, len, &interaction, &pc, &olen);
if (rc == SASL_INTERACT)