server/mgmt/user_session.c

172 static void ksmbd_expire_session(struct ksmbd_conn *conn)
177 	down_write(&conn->session_lock);
178 	xa_for_each(&conn->sessions, id, sess) {
182 			xa_erase(&conn->sessions, sess->id);
188 	up_write(&conn->session_lock);
191 int ksmbd_session_register(struct ksmbd_conn *conn,
194 	sess->dialect = conn->dialect;
195 	memcpy(sess->ClientGUID, conn->ClientGUID, SMB2_CLIENT_GUID_SIZE);
196 	ksmbd_expire_session(conn);
197 	return xa_err(xa_store(&conn->sessions, sess->id, sess, GFP_KERNEL));
200 static int ksmbd_chann_del(struct ksmbd_conn *conn, struct ksmbd_session *sess)
204 	chann = xa_erase(&sess->ksmbd_chann_list, (long)conn);
212 void ksmbd_sessions_deregister(struct ksmbd_conn *conn)
218 	if (conn->binding) {
223 			if (!ksmbd_chann_del(conn, sess) &&
232 	down_write(&conn->session_lock);
233 	xa_for_each(&conn->sessions, id, sess) {
238 			if (chann->conn != conn)
239 				ksmbd_conn_set_exiting(chann->conn);
242 		ksmbd_chann_del(conn, sess);
244 			xa_erase(&conn->sessions, sess->id);
249 	up_write(&conn->session_lock);
252 struct ksmbd_session *ksmbd_session_lookup(struct ksmbd_conn *conn,
257 	down_read(&conn->session_lock);
258 	sess = xa_load(&conn->sessions, id);
261 	up_read(&conn->session_lock);
278 struct ksmbd_session *ksmbd_session_lookup_all(struct ksmbd_conn *conn,
283 	sess = ksmbd_session_lookup(conn, id);
284 	if (!sess && conn->binding)
291 struct preauth_session *ksmbd_preauth_session_alloc(struct ksmbd_conn *conn,
301 	memcpy(sess->Preauth_HashValue, conn->preauth_info->Preauth_HashValue,
303 	list_add(&sess->preauth_entry, &conn->preauth_sess_table);
308 void destroy_previous_session(struct ksmbd_conn *conn,
315 	down_write(&conn->session_lock);
330 	up_write(&conn->session_lock);
340 struct preauth_session *ksmbd_preauth_session_lookup(struct ksmbd_conn *conn,
345 	list_for_each_entry(sess, &conn->preauth_sess_table, preauth_entry) {