smb/server/smb2pdu.c

56  * check_session_id() - check for valid session id in smb header
58  * @id:		session id from smb header
60  * Return:      1 if valid session id, otherwise 0
62 static inline bool check_session_id(struct ksmbd_conn *conn, u64 id)
66 	if (id == 0 || id == -1)
69 	sess = ksmbd_session_lookup_all(conn, id);
72 	pr_err("Invalid user session id: %llu\n", id);
82  * smb2_get_ksmbd_tcon() - get tree connection information using a tree id.
110 	 * Just validate tree id in header with work->tcon->id.
117 		if (tree_id != UINT_MAX && work->tcon->id != tree_id) {
118 			pr_err("tree id(%u) is different with id(%u) in first operation\n",
119 					tree_id, work->tcon->id);
577 	 * require a session id, so no need to validate user session's for
591 	 * Just validate session id in header with work->sess->id.
598 		if (sess_id != ULLONG_MAX && work->sess->id != sess_id) {
599 			pr_err("session id(%llu) is different with the first operation(%lld)\n",
600 					sess_id, work->sess->id);
641 	int id;
643 	id = ksmbd_acquire_async_msg_id(&conn->async_ida);
644 	if (id < 0) {
645 		pr_err("Failed to alloc async message id\n");
646 		return id;
649 	work->async_id = id;
652 		    "Send interim Response to inform async request id : %d\n",
1280 		preauth_sess = ksmbd_preauth_session_lookup(conn, sess->id);
1282 			preauth_sess = ksmbd_preauth_session_alloc(conn, sess->id);
1463 	if (prev_id && prev_id != sess->id)
1588 	if (prev_sess_id && prev_sess_id != sess->id)
1680 		rsp->hdr.SessionId = cpu_to_le64(sess->id);
1826 						ksmbd_preauth_session_lookup(conn, sess->id);
1954 		rsp->hdr.Id.SyncId.TreeId = cpu_to_le32(status.tree_conn->id);
2241 	int id;
2255 	id = ksmbd_session_rpc_open(work->sess, name);
2256 	if (id < 0) {
2257 		pr_err("Unable to open RPC pipe: %d\n", id);
2258 		err = id;
2275 	rsp->VolatileFileId = id;
2699 				"reconnect v2 Persistent-id from reconnect = %llu\n",
2724 			ksmbd_debug(SMB, "reconnect Persistent-id from reconnect = %llu\n",
3485 			ksmbd_debug(SMB, "get query on disk id context\n");
3605 				stat.ino, tcon->id);
4511 	u64 id;
4518 	id = req->VolatileFileId;
4519 	if (!ksmbd_session_rpc_method(sess, id))
4532 		get_internal_info_pipe(rsp, id, rsp_org);
5173 	unsigned int id = KSMBD_NO_FID, pid = KSMBD_NO_FID;
5186 			id = work->compound_fid;
5191 	if (!has_file_id(id)) {
5192 		id = req->VolatileFileId;
5196 	fp = ksmbd_lookup_fd_slow(work, id, pid);
5505 	unsigned int id = KSMBD_NO_FID, pid = KSMBD_NO_FID;
5532 			id = work->compound_fid;
5537 	if (!has_file_id(id)) {
5538 		id = req->VolatileFileId;
5542 	fp = ksmbd_lookup_fd_slow(work, id, pid);
5642 	u64 id;
5648 	id = req->VolatileFileId;
5649 	ksmbd_session_rpc_close(work->sess, id);
5721 			/* file closed, stored id is not valid anymore */
6337 	unsigned int id = KSMBD_NO_FID, pid = KSMBD_NO_FID;
6347 			id = work->compound_fid;
6362 	if (!has_file_id(id)) {
6363 		id = req->VolatileFileId;
6367 	fp = ksmbd_lookup_fd_slow(work, id, pid);
6369 		ksmbd_debug(SMB, "Invalid id for close: %u\n", id);
6440 	u64 id;
6447 	id = req->VolatileFileId;
6449 	rpc_resp = ksmbd_rpc_read(work->sess, id);
6562 	unsigned int id = KSMBD_NO_FID, pid = KSMBD_NO_FID;
6577 			id = work->compound_fid;
6585 	if (!has_file_id(id)) {
6586 		id = req->VolatileFileId;
6612 	fp = ksmbd_lookup_fd_slow(work, id, pid);
6725 	u64 id = 0;
6733 	id = req->VolatileFileId;
6747 	rpc_resp = ksmbd_rpc_write(work->sess, id, data_buf, length);
7183 		ksmbd_debug(SMB, "Invalid file id for lock : %llu\n", req->VolatileFileId);
7795 static int fsctl_query_allocated_ranges(struct ksmbd_work *work, u64 id,
7814 	fp = ksmbd_lookup_fd_fast(work, id);
7827 static int fsctl_pipe_transceive(struct ksmbd_work *work, u64 id,
7836 	rpc_resp = ksmbd_rpc_ioctl(work->sess, id, data_buf,
7872 static inline int fsctl_set_sparse(struct ksmbd_work *work, u64 id,
7880 	fp = ksmbd_lookup_fd_fast(work, id);
7943 	u64 id = KSMBD_NO_FID;
7954 			id = work->compound_fid;
7961 	if (!has_file_id(id))
7962 		id = req->VolatileFileId;
8008 		nbytes = fsctl_pipe_transceive(work, id, out_buf_len, req, rsp);
8094 		ret = fsctl_set_sparse(work, id, (struct file_sparse *)buffer);
8128 			fp = ksmbd_lookup_fd_fast(work, id);
8147 		ret = fsctl_query_allocated_ranges(work, id,
8167 		fp = ksmbd_lookup_fd_fast(work, id);
8202 		fp_out = ksmbd_lookup_fd_fast(work, id);
8620  * @command:	SMB2 command id
8842 			preauth_sess = ksmbd_preauth_session_lookup(conn, sess->id);
8927 		pr_err("invalid session id(%llx) in transform header\n",