1 // SPDX-License-Identifier: GPL-2.0-or-later
45 	if (work->next_smb2_rcv_hdr_off) {  in __wbuf()
49 		*req = smb2_get_msg(work->request_buf);  in __wbuf()
50 		*rsp = smb2_get_msg(work->response_buf);  in __wbuf()
57  * check_session_id() - check for valid session id in smb header
67 	if (id == 0 || id == -1)  in check_session_id()
79 struct channel *lookup_chann_list(struct ksmbd_session *sess, struct ksmbd_conn *conn)  in lookup_chann_list()
81 	return xa_load(&sess->ksmbd_chann_list, (long)conn);  in lookup_chann_list()
85  * smb2_get_ksmbd_tcon() - get tree connection information using a tree id.
94 	unsigned int cmd = le16_to_cpu(req_hdr->Command);  in smb2_get_ksmbd_tcon()
104 	if (xa_empty(&work->sess->tree_conns)) {  in smb2_get_ksmbd_tcon()
106 		return -ENOENT;  in smb2_get_ksmbd_tcon()
109 	tree_id = le32_to_cpu(req_hdr->Id.SyncId.TreeId);  in smb2_get_ksmbd_tcon()
113 	 * Just validate tree id in header with work->tcon->id.  in smb2_get_ksmbd_tcon()
115 	if (work->next_smb2_rcv_hdr_off) {  in smb2_get_ksmbd_tcon()
116 		if (!work->tcon) {  in smb2_get_ksmbd_tcon()
117 			pr_err("The first operation in the compound does not have tcon\n");  in smb2_get_ksmbd_tcon()
118 			return -EINVAL;  in smb2_get_ksmbd_tcon()
120 		if (tree_id != UINT_MAX && work->tcon->id != tree_id) {  in smb2_get_ksmbd_tcon()
122 					tree_id, work->tcon->id);  in smb2_get_ksmbd_tcon()
123 			return -EINVAL;  in smb2_get_ksmbd_tcon()
128 	work->tcon = ksmbd_tree_conn_lookup(work->sess, tree_id);  in smb2_get_ksmbd_tcon()
129 	if (!work->tcon) {  in smb2_get_ksmbd_tcon()
131 		return -ENOENT;  in smb2_get_ksmbd_tcon()
138  * smb2_set_err_rsp() - set error response code on smb response
145 	if (work->next_smb2_rcv_hdr_off)  in smb2_set_err_rsp()
148 		err_rsp = smb2_get_msg(work->response_buf);  in smb2_set_err_rsp()
150 	if (err_rsp->hdr.Status != STATUS_STOPPED_ON_SYMLINK) {  in smb2_set_err_rsp()
153 		err_rsp->StructureSize = SMB2_ERROR_STRUCTURE_SIZE2_LE;  in smb2_set_err_rsp()
154 		err_rsp->ErrorContextCount = 0;  in smb2_set_err_rsp()
155 		err_rsp->Reserved = 0;  in smb2_set_err_rsp()
156 		err_rsp->ByteCount = 0;  in smb2_set_err_rsp()
157 		err_rsp->ErrorData[0] = 0;  in smb2_set_err_rsp()
162 			work->send_no_response = 1;  in smb2_set_err_rsp()
167  * is_smb2_neg_cmd() - is it smb2 negotiation command
174 	struct smb2_hdr *hdr = smb2_get_msg(work->request_buf);  in is_smb2_neg_cmd()
177 	if (hdr->ProtocolId != SMB2_PROTO_NUMBER)  in is_smb2_neg_cmd()
181 	if (hdr->Flags & SMB2_FLAGS_SERVER_TO_REDIR)  in is_smb2_neg_cmd()
184 	if (hdr->Command != SMB2_NEGOTIATE)  in is_smb2_neg_cmd()
191  * is_smb2_rsp() - is it smb2 response
198 	struct smb2_hdr *hdr = smb2_get_msg(work->response_buf);  in is_smb2_rsp()
201 	if (hdr->ProtocolId != SMB2_PROTO_NUMBER)  in is_smb2_rsp()
205 	if (!(hdr->Flags & SMB2_FLAGS_SERVER_TO_REDIR))  in is_smb2_rsp()
212  * get_smb2_cmd_val() - get smb command code from smb header
221 	if (work->next_smb2_rcv_hdr_off)  in get_smb2_cmd_val()
224 		rcv_hdr = smb2_get_msg(work->request_buf);  in get_smb2_cmd_val()
225 	return le16_to_cpu(rcv_hdr->Command);  in get_smb2_cmd_val()
229  * set_smb2_rsp_status() - set error response code on smb2 header
237 	rsp_hdr = smb2_get_msg(work->response_buf);  in set_smb2_rsp_status()
238 	rsp_hdr->Status = err;  in set_smb2_rsp_status()
240 	work->iov_idx = 0;  in set_smb2_rsp_status()
241 	work->iov_cnt = 0;  in set_smb2_rsp_status()
242 	work->next_smb2_rcv_hdr_off = 0;  in set_smb2_rsp_status()
247  * init_smb2_neg_rsp() - initialize smb2 response for negotiate command
251  * dialect auto-negotiation.
257 	struct ksmbd_conn *conn = work->conn;  in init_smb2_neg_rsp()
260 	rsp_hdr = smb2_get_msg(work->response_buf);  in init_smb2_neg_rsp()
262 	rsp_hdr->ProtocolId = SMB2_PROTO_NUMBER;  in init_smb2_neg_rsp()
263 	rsp_hdr->StructureSize = SMB2_HEADER_STRUCTURE_SIZE;  in init_smb2_neg_rsp()
264 	rsp_hdr->CreditRequest = cpu_to_le16(2);  in init_smb2_neg_rsp()
265 	rsp_hdr->Command = SMB2_NEGOTIATE;  in init_smb2_neg_rsp()
266 	rsp_hdr->Flags = (SMB2_FLAGS_SERVER_TO_REDIR);  in init_smb2_neg_rsp()
267 	rsp_hdr->NextCommand = 0;  in init_smb2_neg_rsp()
268 	rsp_hdr->MessageId = 0;  in init_smb2_neg_rsp()
269 	rsp_hdr->Id.SyncId.ProcessId = 0;  in init_smb2_neg_rsp()
270 	rsp_hdr->Id.SyncId.TreeId = 0;  in init_smb2_neg_rsp()
271 	rsp_hdr->SessionId = 0;  in init_smb2_neg_rsp()
272 	memset(rsp_hdr->Signature, 0, 16);  in init_smb2_neg_rsp()
274 	rsp = smb2_get_msg(work->response_buf);  in init_smb2_neg_rsp()
278 	rsp->StructureSize = cpu_to_le16(65);  in init_smb2_neg_rsp()
279 	ksmbd_debug(SMB, "conn->dialect 0x%x\n", conn->dialect);  in init_smb2_neg_rsp()
280 	rsp->DialectRevision = cpu_to_le16(conn->dialect);  in init_smb2_neg_rsp()
281 	/* Not setting conn guid rsp->ServerGUID, as it  in init_smb2_neg_rsp()
284 	rsp->Capabilities = cpu_to_le32(conn->vals->capabilities);  in init_smb2_neg_rsp()
286 	rsp->MaxTransactSize = cpu_to_le32(conn->vals->max_trans_size);  in init_smb2_neg_rsp()
287 	rsp->MaxReadSize = cpu_to_le32(conn->vals->max_read_size);  in init_smb2_neg_rsp()
288 	rsp->MaxWriteSize = cpu_to_le32(conn->vals->max_write_size);  in init_smb2_neg_rsp()
290 	rsp->SystemTime = cpu_to_le64(ksmbd_systime());  in init_smb2_neg_rsp()
291 	rsp->ServerStartTime = 0;  in init_smb2_neg_rsp()
293 	rsp->SecurityBufferOffset = cpu_to_le16(128);  in init_smb2_neg_rsp()
294 	rsp->SecurityBufferLength = cpu_to_le16(AUTH_GSS_LENGTH);  in init_smb2_neg_rsp()
295 	ksmbd_copy_gss_neg_header((char *)(&rsp->hdr) +  in init_smb2_neg_rsp()
296 		le16_to_cpu(rsp->SecurityBufferOffset));  in init_smb2_neg_rsp()
297 	rsp->SecurityMode = SMB2_NEGOTIATE_SIGNING_ENABLED_LE;  in init_smb2_neg_rsp()
299 		rsp->SecurityMode |= SMB2_NEGOTIATE_SIGNING_REQUIRED_LE;  in init_smb2_neg_rsp()
304 	conn->use_spnego = true;  in init_smb2_neg_rsp()
311  * smb2_set_rsp_credits() - set number of credits in response buffer
318 	struct ksmbd_conn *conn = work->conn;  in smb2_set_rsp_credits()
322 	if (work->send_no_response)  in smb2_set_rsp_credits()
325 	hdr->CreditCharge = req_hdr->CreditCharge;  in smb2_set_rsp_credits()
327 	if (conn->total_credits > conn->vals->max_credits) {  in smb2_set_rsp_credits()
328 		hdr->CreditRequest = 0;  in smb2_set_rsp_credits()
329 		pr_err("Total credits overflow: %d\n", conn->total_credits);  in smb2_set_rsp_credits()
330 		return -EINVAL;  in smb2_set_rsp_credits()
334 			      le16_to_cpu(req_hdr->CreditCharge), 1);  in smb2_set_rsp_credits()
335 	if (credit_charge > conn->total_credits) {  in smb2_set_rsp_credits()
337 			    credit_charge, conn->total_credits);  in smb2_set_rsp_credits()
338 		return -EINVAL;  in smb2_set_rsp_credits()
341 	conn->total_credits -= credit_charge;  in smb2_set_rsp_credits()
342 	conn->outstanding_credits -= credit_charge;  in smb2_set_rsp_credits()
344 				  le16_to_cpu(req_hdr->CreditRequest), 1);  in smb2_set_rsp_credits()
352 	if (hdr->Command == SMB2_NEGOTIATE)  in smb2_set_rsp_credits()
355 		aux_max = conn->vals->max_credits - conn->total_credits;  in smb2_set_rsp_credits()
358 	conn->total_credits += credits_granted;  in smb2_set_rsp_credits()
359 	work->credits_granted += credits_granted;  in smb2_set_rsp_credits()
361 	if (!req_hdr->NextCommand) {  in smb2_set_rsp_credits()
363 		hdr->CreditRequest = cpu_to_le16(work->credits_granted);  in smb2_set_rsp_credits()
368 		    conn->total_credits);  in smb2_set_rsp_credits()
373  * init_chained_smb2_rsp() - initialize smb2 chained response
385 	/* Len of this response = updated RFC len - offset of previous cmd  in init_chained_smb2_rsp()
392 	if (req->Command == SMB2_CREATE && rsp->Status == STATUS_SUCCESS) {  in init_chained_smb2_rsp()
393 		work->compound_fid = ((struct smb2_create_rsp *)rsp)->VolatileFileId;  in init_chained_smb2_rsp()
394 		work->compound_pfid = ((struct smb2_create_rsp *)rsp)->PersistentFileId;  in init_chained_smb2_rsp()
395 		work->compound_sid = le64_to_cpu(rsp->SessionId);  in init_chained_smb2_rsp()
398 	len = get_rfc1002_len(work->response_buf) - work->next_smb2_rsp_hdr_off;  in init_chained_smb2_rsp()
399 	next_hdr_offset = le32_to_cpu(req->NextCommand);  in init_chained_smb2_rsp()
402 	work->iov[work->iov_idx].iov_len += (new_len - len);  in init_chained_smb2_rsp()
403 	inc_rfc1001_len(work->response_buf, new_len - len);  in init_chained_smb2_rsp()
404 	rsp->NextCommand = cpu_to_le32(new_len);  in init_chained_smb2_rsp()
406 	work->next_smb2_rcv_hdr_off += next_hdr_offset;  in init_chained_smb2_rsp()
407 	work->curr_smb2_rsp_hdr_off = work->next_smb2_rsp_hdr_off;  in init_chained_smb2_rsp()
408 	work->next_smb2_rsp_hdr_off += new_len;  in init_chained_smb2_rsp()
411 		    new_len, work->next_smb2_rcv_hdr_off,  in init_chained_smb2_rsp()
412 		    work->next_smb2_rsp_hdr_off);  in init_chained_smb2_rsp()
417 	if (!(rcv_hdr->Flags & SMB2_FLAGS_RELATED_OPERATIONS)) {  in init_chained_smb2_rsp()
419 		work->compound_fid = KSMBD_NO_FID;  in init_chained_smb2_rsp()
420 		work->compound_pfid = KSMBD_NO_FID;  in init_chained_smb2_rsp()
423 	rsp_hdr->ProtocolId = SMB2_PROTO_NUMBER;  in init_chained_smb2_rsp()
424 	rsp_hdr->StructureSize = SMB2_HEADER_STRUCTURE_SIZE;  in init_chained_smb2_rsp()
425 	rsp_hdr->Command = rcv_hdr->Command;  in init_chained_smb2_rsp()
430 	rsp_hdr->Flags = (SMB2_FLAGS_SERVER_TO_REDIR |  in init_chained_smb2_rsp()
432 	rsp_hdr->NextCommand = 0;  in init_chained_smb2_rsp()
433 	rsp_hdr->MessageId = rcv_hdr->MessageId;  in init_chained_smb2_rsp()
434 	rsp_hdr->Id.SyncId.ProcessId = rcv_hdr->Id.SyncId.ProcessId;  in init_chained_smb2_rsp()
435 	rsp_hdr->Id.SyncId.TreeId = rcv_hdr->Id.SyncId.TreeId;  in init_chained_smb2_rsp()
436 	rsp_hdr->SessionId = rcv_hdr->SessionId;  in init_chained_smb2_rsp()
437 	memcpy(rsp_hdr->Signature, rcv_hdr->Signature, 16);  in init_chained_smb2_rsp()
441  * is_chained_smb2_message() - check for chained command
448 	struct smb2_hdr *hdr = smb2_get_msg(work->request_buf);  in is_chained_smb2_message()
451 	if (hdr->ProtocolId != SMB2_PROTO_NUMBER)  in is_chained_smb2_message()
455 	next_cmd = le32_to_cpu(hdr->NextCommand);  in is_chained_smb2_message()
457 		if ((u64)work->next_smb2_rcv_hdr_off + next_cmd +  in is_chained_smb2_message()
459 		    get_rfc1002_len(work->request_buf)) {  in is_chained_smb2_message()
465 		if ((u64)get_rfc1002_len(work->response_buf) + MAX_CIFS_SMALL_BUFFER_SIZE >  in is_chained_smb2_message()
466 		    work->response_sz) {  in is_chained_smb2_message()
474 	} else if (work->next_smb2_rcv_hdr_off) {  in is_chained_smb2_message()
479 		len = ALIGN(get_rfc1002_len(work->response_buf), 8);  in is_chained_smb2_message()
480 		len = len - get_rfc1002_len(work->response_buf);  in is_chained_smb2_message()
483 			work->iov[work->iov_idx].iov_len += len;  in is_chained_smb2_message()
484 			inc_rfc1001_len(work->response_buf, len);  in is_chained_smb2_message()
486 		work->curr_smb2_rsp_hdr_off = work->next_smb2_rsp_hdr_off;  in is_chained_smb2_message()
492  * init_smb2_rsp_hdr() - initialize smb2 response
499 	struct smb2_hdr *rsp_hdr = smb2_get_msg(work->response_buf);  in init_smb2_rsp_hdr()
500 	struct smb2_hdr *rcv_hdr = smb2_get_msg(work->request_buf);  in init_smb2_rsp_hdr()
503 	rsp_hdr->ProtocolId = rcv_hdr->ProtocolId;  in init_smb2_rsp_hdr()
504 	rsp_hdr->StructureSize = SMB2_HEADER_STRUCTURE_SIZE;  in init_smb2_rsp_hdr()
505 	rsp_hdr->Command = rcv_hdr->Command;  in init_smb2_rsp_hdr()
510 	rsp_hdr->Flags = (SMB2_FLAGS_SERVER_TO_REDIR);  in init_smb2_rsp_hdr()
511 	rsp_hdr->NextCommand = 0;  in init_smb2_rsp_hdr()
512 	rsp_hdr->MessageId = rcv_hdr->MessageId;  in init_smb2_rsp_hdr()
513 	rsp_hdr->Id.SyncId.ProcessId = rcv_hdr->Id.SyncId.ProcessId;  in init_smb2_rsp_hdr()
514 	rsp_hdr->Id.SyncId.TreeId = rcv_hdr->Id.SyncId.TreeId;  in init_smb2_rsp_hdr()
515 	rsp_hdr->SessionId = rcv_hdr->SessionId;  in init_smb2_rsp_hdr()
516 	memcpy(rsp_hdr->Signature, rcv_hdr->Signature, 16);  in init_smb2_rsp_hdr()
522  * smb2_allocate_rsp_buf() - allocate smb2 response buffer
529 	struct smb2_hdr *hdr = smb2_get_msg(work->request_buf);  in smb2_allocate_rsp_buf()
531 	size_t large_sz = small_sz + work->conn->vals->max_trans_size;  in smb2_allocate_rsp_buf()
533 	int cmd = le16_to_cpu(hdr->Command);  in smb2_allocate_rsp_buf()
541 		if (get_rfc1002_len(work->request_buf) <  in smb2_allocate_rsp_buf()
543 			return -EINVAL;  in smb2_allocate_rsp_buf()
545 		req = smb2_get_msg(work->request_buf);  in smb2_allocate_rsp_buf()
546 		if ((req->InfoType == SMB2_O_INFO_FILE &&  in smb2_allocate_rsp_buf()
547 		     (req->FileInfoClass == FILE_FULL_EA_INFORMATION ||  in smb2_allocate_rsp_buf()
548 		     req->FileInfoClass == FILE_ALL_INFORMATION)) ||  in smb2_allocate_rsp_buf()
549 		    req->InfoType == SMB2_O_INFO_SECURITY)  in smb2_allocate_rsp_buf()
554 	if (le32_to_cpu(hdr->NextCommand) > 0)  in smb2_allocate_rsp_buf()
557 	work->response_buf = kvzalloc(sz, KSMBD_DEFAULT_GFP);  in smb2_allocate_rsp_buf()
558 	if (!work->response_buf)  in smb2_allocate_rsp_buf()
559 		return -ENOMEM;  in smb2_allocate_rsp_buf()
561 	work->response_sz = sz;  in smb2_allocate_rsp_buf()
566  * smb2_check_user_session() - check for valid session for a user
574 	struct ksmbd_conn *conn = work->conn;  in smb2_check_user_session()
575 	unsigned int cmd = le16_to_cpu(req_hdr->Command);  in smb2_check_user_session()
588 		return -EIO;  in smb2_check_user_session()
590 	sess_id = le64_to_cpu(req_hdr->SessionId);  in smb2_check_user_session()
594 	 * Just validate session id in header with work->sess->id.  in smb2_check_user_session()
596 	if (work->next_smb2_rcv_hdr_off) {  in smb2_check_user_session()
597 		if (!work->sess) {  in smb2_check_user_session()
599 			return -EINVAL;  in smb2_check_user_session()
601 		if (sess_id != ULLONG_MAX && work->sess->id != sess_id) {  in smb2_check_user_session()
603 					sess_id, work->sess->id);  in smb2_check_user_session()
604 			return -EINVAL;  in smb2_check_user_session()
610 	work->sess = ksmbd_session_lookup_all(conn, sess_id);  in smb2_check_user_session()
611 	if (work->sess)  in smb2_check_user_session()
614 	return -ENOENT;  in smb2_check_user_session()
618  * smb2_get_name() - get filename string from on the wire smb format
639 		return ERR_PTR(-EINVAL);  in smb2_get_name()
649 	struct ksmbd_conn *conn = work->conn;  in setup_async_work()
652 	id = ksmbd_acquire_async_msg_id(&conn->async_ida);  in setup_async_work()
657 	work->asynchronous = true;  in setup_async_work()
658 	work->async_id = id;  in setup_async_work()
662 		    work->async_id);  in setup_async_work()
664 	work->cancel_fn = fn;  in setup_async_work()
665 	work->cancel_argv = arg;  in setup_async_work()
667 	if (list_empty(&work->async_request_entry)) {  in setup_async_work()
668 		spin_lock(&conn->request_lock);  in setup_async_work()
669 		list_add_tail(&work->async_request_entry, &conn->async_requests);  in setup_async_work()
670 		spin_unlock(&conn->request_lock);  in setup_async_work()
678 	struct ksmbd_conn *conn = work->conn;  in release_async_work()
680 	spin_lock(&conn->request_lock);  in release_async_work()
681 	list_del_init(&work->async_request_entry);  in release_async_work()
682 	spin_unlock(&conn->request_lock);  in release_async_work()
684 	work->asynchronous = 0;  in release_async_work()
685 	work->cancel_fn = NULL;  in release_async_work()
686 	kfree(work->cancel_argv);  in release_async_work()
687 	work->cancel_argv = NULL;  in release_async_work()
688 	if (work->async_id) {  in release_async_work()
689 		ksmbd_release_id(&conn->async_ida, work->async_id);  in release_async_work()
690 		work->async_id = 0;  in release_async_work()
708 	in_work->conn = work->conn;  in smb2_send_interim_resp()
709 	memcpy(smb2_get_msg(in_work->response_buf), ksmbd_resp_buf_next(work),  in smb2_send_interim_resp()
712 	rsp_hdr = smb2_get_msg(in_work->response_buf);  in smb2_send_interim_resp()
713 	rsp_hdr->Flags |= SMB2_FLAGS_ASYNC_COMMAND;  in smb2_send_interim_resp()
714 	rsp_hdr->Id.AsyncId = cpu_to_le64(work->async_id);  in smb2_send_interim_resp()
716 	rsp_hdr->Status = status;  in smb2_send_interim_resp()
742  * smb2_get_dos_mode() - get file mode in dos format from unix mode
752 	if (S_ISDIR(stat->mode)) {  in smb2_get_dos_mode()
758 		if (S_ISREG(stat->mode) && (server_conf.share_fake_fscaps &  in smb2_get_dos_mode()
762 		if (smb2_get_reparse_tag_special_file(stat->mode))  in smb2_get_dos_mode()
772 	pneg_ctxt->ContextType = SMB2_PREAUTH_INTEGRITY_CAPABILITIES;  in build_preauth_ctxt()
773 	pneg_ctxt->DataLength = cpu_to_le16(38);  in build_preauth_ctxt()
774 	pneg_ctxt->HashAlgorithmCount = cpu_to_le16(1);  in build_preauth_ctxt()
775 	pneg_ctxt->Reserved = cpu_to_le32(0);  in build_preauth_ctxt()
776 	pneg_ctxt->SaltLength = cpu_to_le16(SMB311_SALT_SIZE);  in build_preauth_ctxt()
777 	get_random_bytes(pneg_ctxt->Salt, SMB311_SALT_SIZE);  in build_preauth_ctxt()
778 	pneg_ctxt->HashAlgorithms = hash_id;  in build_preauth_ctxt()
784 	pneg_ctxt->ContextType = SMB2_ENCRYPTION_CAPABILITIES;  in build_encrypt_ctxt()
785 	pneg_ctxt->DataLength = cpu_to_le16(4);  in build_encrypt_ctxt()
786 	pneg_ctxt->Reserved = cpu_to_le32(0);  in build_encrypt_ctxt()
787 	pneg_ctxt->CipherCount = cpu_to_le16(1);  in build_encrypt_ctxt()
788 	pneg_ctxt->Ciphers[0] = cipher_type;  in build_encrypt_ctxt()
794 	pneg_ctxt->ContextType = SMB2_SIGNING_CAPABILITIES;  in build_sign_cap_ctxt()
795 	pneg_ctxt->DataLength =  in build_sign_cap_ctxt()
797 			- sizeof(struct smb2_neg_context));  in build_sign_cap_ctxt()
798 	pneg_ctxt->Reserved = cpu_to_le32(0);  in build_sign_cap_ctxt()
799 	pneg_ctxt->SigningAlgorithmCount = cpu_to_le16(1);  in build_sign_cap_ctxt()
800 	pneg_ctxt->SigningAlgorithms[0] = sign_algo;  in build_sign_cap_ctxt()
805 	pneg_ctxt->ContextType = SMB2_POSIX_EXTENSIONS_AVAILABLE;  in build_posix_ctxt()
806 	pneg_ctxt->DataLength = cpu_to_le16(POSIX_CTXT_DATA_LEN);  in build_posix_ctxt()
808 	pneg_ctxt->Name[0] = 0x93;  in build_posix_ctxt()
809 	pneg_ctxt->Name[1] = 0xAD;  in build_posix_ctxt()
810 	pneg_ctxt->Name[2] = 0x25;  in build_posix_ctxt()
811 	pneg_ctxt->Name[3] = 0x50;  in build_posix_ctxt()
812 	pneg_ctxt->Name[4] = 0x9C;  in build_posix_ctxt()
813 	pneg_ctxt->Name[5] = 0xB4;  in build_posix_ctxt()
814 	pneg_ctxt->Name[6] = 0x11;  in build_posix_ctxt()
815 	pneg_ctxt->Name[7] = 0xE7;  in build_posix_ctxt()
816 	pneg_ctxt->Name[8] = 0xB4;  in build_posix_ctxt()
817 	pneg_ctxt->Name[9] = 0x23;  in build_posix_ctxt()
818 	pneg_ctxt->Name[10] = 0x83;  in build_posix_ctxt()
819 	pneg_ctxt->Name[11] = 0xDE;  in build_posix_ctxt()
820 	pneg_ctxt->Name[12] = 0x96;  in build_posix_ctxt()
821 	pneg_ctxt->Name[13] = 0x8B;  in build_posix_ctxt()
822 	pneg_ctxt->Name[14] = 0xCD;  in build_posix_ctxt()
823 	pneg_ctxt->Name[15] = 0x7C;  in build_posix_ctxt()
830 			le32_to_cpu(rsp->NegotiateContextOffset);  in assemble_neg_contexts()
837 			   conn->preauth_info->Preauth_HashId);  in assemble_neg_contexts()
840 	if (conn->cipher_type) {  in assemble_neg_contexts()
847 				   conn->cipher_type);  in assemble_neg_contexts()
853 	WARN_ON(conn->compress_algorithm != SMB3_COMPRESS_NONE);  in assemble_neg_contexts()
855 	if (conn->posix_ext_supported) {  in assemble_neg_contexts()
865 	if (conn->signing_negotiated) {  in assemble_neg_contexts()
871 				    conn->signing_algorithm);  in assemble_neg_contexts()
876 	rsp->NegotiateContextCount = cpu_to_le16(neg_ctxt_cnt);  in assemble_neg_contexts()
892 	if (pneg_ctxt->HashAlgorithms != SMB2_PREAUTH_INTEGRITY_SHA512)  in decode_preauth_ctxt()
895 	conn->preauth_info->Preauth_HashId = SMB2_PREAUTH_INTEGRITY_SHA512;  in decode_preauth_ctxt()
911 	conn->cipher_type = 0;  in decode_encrypt_ctxt()
913 	cph_cnt = le16_to_cpu(pneg_ctxt->CipherCount);  in decode_encrypt_ctxt()
926 		if (pneg_ctxt->Ciphers[i] == SMB2_ENCRYPTION_AES128_GCM ||  in decode_encrypt_ctxt()
927 		    pneg_ctxt->Ciphers[i] == SMB2_ENCRYPTION_AES128_CCM ||  in decode_encrypt_ctxt()
928 		    pneg_ctxt->Ciphers[i] == SMB2_ENCRYPTION_AES256_CCM ||  in decode_encrypt_ctxt()
929 		    pneg_ctxt->Ciphers[i] == SMB2_ENCRYPTION_AES256_GCM) {  in decode_encrypt_ctxt()
931 				    pneg_ctxt->Ciphers[i]);  in decode_encrypt_ctxt()
932 			conn->cipher_type = pneg_ctxt->Ciphers[i];  in decode_encrypt_ctxt()
939  * smb3_encryption_negotiated() - checks if server and client agreed on enabling encryption
946 	if (!conn->ops->generate_encryptionkey)  in smb3_encryption_negotiated()
953 	return (conn->vals->capabilities & SMB2_GLOBAL_CAP_ENCRYPTION) ||  in smb3_encryption_negotiated()
954 	    conn->cipher_type;  in smb3_encryption_negotiated()
960 	conn->compress_algorithm = SMB3_COMPRESS_NONE;  in decode_compress_ctxt()
975 	conn->signing_negotiated = false;  in decode_sign_cap_ctxt()
976 	sign_algo_cnt = le16_to_cpu(pneg_ctxt->SigningAlgorithmCount);  in decode_sign_cap_ctxt()
986 		if (pneg_ctxt->SigningAlgorithms[i] == SIGNING_ALG_HMAC_SHA256_LE ||  in decode_sign_cap_ctxt()
987 		    pneg_ctxt->SigningAlgorithms[i] == SIGNING_ALG_AES_CMAC_LE) {  in decode_sign_cap_ctxt()
989 				    pneg_ctxt->SigningAlgorithms[i]);  in decode_sign_cap_ctxt()
990 			conn->signing_negotiated = true;  in decode_sign_cap_ctxt()
991 			conn->signing_algorithm =  in decode_sign_cap_ctxt()
992 				pneg_ctxt->SigningAlgorithms[i];  in decode_sign_cap_ctxt()
1005 	unsigned int offset = le32_to_cpu(req->NegotiateContextOffset);  in deassemble_neg_contexts()
1006 	unsigned int neg_ctxt_cnt = le16_to_cpu(req->NegotiateContextCount);  in deassemble_neg_contexts()
1015 	len_of_ctxts = len_of_smb - offset;  in deassemble_neg_contexts()
1024 		clen = le16_to_cpu(pctx->DataLength);  in deassemble_neg_contexts()
1030 		if (pctx->ContextType == SMB2_PREAUTH_INTEGRITY_CAPABILITIES) {  in deassemble_neg_contexts()
1033 			if (conn->preauth_info->Preauth_HashId)  in deassemble_neg_contexts()
1041 		} else if (pctx->ContextType == SMB2_ENCRYPTION_CAPABILITIES) {  in deassemble_neg_contexts()
1044 			if (conn->cipher_type)  in deassemble_neg_contexts()
1050 		} else if (pctx->ContextType == SMB2_COMPRESSION_CAPABILITIES) {  in deassemble_neg_contexts()
1053 			if (conn->compress_algorithm)  in deassemble_neg_contexts()
1058 		} else if (pctx->ContextType == SMB2_NETNAME_NEGOTIATE_CONTEXT_ID) {  in deassemble_neg_contexts()
1061 		} else if (pctx->ContextType == SMB2_POSIX_EXTENSIONS_AVAILABLE) {  in deassemble_neg_contexts()
1064 			conn->posix_ext_supported = true;  in deassemble_neg_contexts()
1065 		} else if (pctx->ContextType == SMB2_SIGNING_CAPABILITIES) {  in deassemble_neg_contexts()
1076 		len_of_ctxts -= offset;  in deassemble_neg_contexts()
1082  * smb2_handle_negotiate() - handler for smb2 negotiate command
1089 	struct ksmbd_conn *conn = work->conn;  in smb2_handle_negotiate()
1090 	struct smb2_negotiate_req *req = smb2_get_msg(work->request_buf);  in smb2_handle_negotiate()
1091 	struct smb2_negotiate_rsp *rsp = smb2_get_msg(work->response_buf);  in smb2_handle_negotiate()
1097 	conn->need_neg = false;  in smb2_handle_negotiate()
1099 		pr_err("conn->tcp_status is already in CifsGood State\n");  in smb2_handle_negotiate()
1100 		work->send_no_response = 1;  in smb2_handle_negotiate()
1105 	smb2_buf_len = get_rfc1002_len(work->request_buf);  in smb2_handle_negotiate()
1108 		rsp->hdr.Status = STATUS_INVALID_PARAMETER;  in smb2_handle_negotiate()
1109 		rc = -EINVAL;  in smb2_handle_negotiate()
1113 	if (req->DialectCount == 0) {  in smb2_handle_negotiate()
1115 		rsp->hdr.Status = STATUS_INVALID_PARAMETER;  in smb2_handle_negotiate()
1116 		rc = -EINVAL;  in smb2_handle_negotiate()
1120 	if (conn->dialect == SMB311_PROT_ID) {  in smb2_handle_negotiate()
1121 		unsigned int nego_ctxt_off = le32_to_cpu(req->NegotiateContextOffset);  in smb2_handle_negotiate()
1124 			rsp->hdr.Status = STATUS_INVALID_PARAMETER;  in smb2_handle_negotiate()
1125 			rc = -EINVAL;  in smb2_handle_negotiate()
1130 			rsp->hdr.Status = STATUS_INVALID_PARAMETER;  in smb2_handle_negotiate()
1131 			rc = -EINVAL;  in smb2_handle_negotiate()
1135 		if (smb2_neg_size + le16_to_cpu(req->DialectCount) * sizeof(__le16) >  in smb2_handle_negotiate()
1137 			rsp->hdr.Status = STATUS_INVALID_PARAMETER;  in smb2_handle_negotiate()
1138 			rc = -EINVAL;  in smb2_handle_negotiate()
1142 		if (smb2_neg_size + le16_to_cpu(req->DialectCount) * sizeof(__le16) >  in smb2_handle_negotiate()
1144 			rsp->hdr.Status = STATUS_INVALID_PARAMETER;  in smb2_handle_negotiate()
1145 			rc = -EINVAL;  in smb2_handle_negotiate()
1150 	conn->cli_cap = le32_to_cpu(req->Capabilities);  in smb2_handle_negotiate()
1151 	switch (conn->dialect) {  in smb2_handle_negotiate()
1153 		conn->preauth_info =  in smb2_handle_negotiate()
1156 		if (!conn->preauth_info) {  in smb2_handle_negotiate()
1157 			rc = -ENOMEM;  in smb2_handle_negotiate()
1158 			rsp->hdr.Status = STATUS_INVALID_PARAMETER;  in smb2_handle_negotiate()
1163 						 get_rfc1002_len(work->request_buf));  in smb2_handle_negotiate()
1167 			rsp->hdr.Status = status;  in smb2_handle_negotiate()
1168 			rc = -EINVAL;  in smb2_handle_negotiate()
1169 			kfree(conn->preauth_info);  in smb2_handle_negotiate()
1170 			conn->preauth_info = NULL;  in smb2_handle_negotiate()
1176 			rsp->hdr.Status = STATUS_INVALID_PARAMETER;  in smb2_handle_negotiate()
1177 			kfree(conn->preauth_info);  in smb2_handle_negotiate()
1178 			conn->preauth_info = NULL;  in smb2_handle_negotiate()
1183 						 work->request_buf,  in smb2_handle_negotiate()
1184 						 conn->preauth_info->Preauth_HashValue);  in smb2_handle_negotiate()
1185 		rsp->NegotiateContextOffset =  in smb2_handle_negotiate()
1202 			    conn->dialect);  in smb2_handle_negotiate()
1203 		rsp->hdr.Status = STATUS_NOT_SUPPORTED;  in smb2_handle_negotiate()
1204 		rc = -EINVAL;  in smb2_handle_negotiate()
1207 	rsp->Capabilities = cpu_to_le32(conn->vals->capabilities);  in smb2_handle_negotiate()
1210 	conn->connection_type = conn->dialect;  in smb2_handle_negotiate()
1212 	rsp->MaxTransactSize = cpu_to_le32(conn->vals->max_trans_size);  in smb2_handle_negotiate()
1213 	rsp->MaxReadSize = cpu_to_le32(conn->vals->max_read_size);  in smb2_handle_negotiate()
1214 	rsp->MaxWriteSize = cpu_to_le32(conn->vals->max_write_size);  in smb2_handle_negotiate()
1216 	memcpy(conn->ClientGUID, req->ClientGUID,  in smb2_handle_negotiate()
1218 	conn->cli_sec_mode = le16_to_cpu(req->SecurityMode);  in smb2_handle_negotiate()
1220 	rsp->StructureSize = cpu_to_le16(65);  in smb2_handle_negotiate()
1221 	rsp->DialectRevision = cpu_to_le16(conn->dialect);  in smb2_handle_negotiate()
1222 	/* Not setting conn guid rsp->ServerGUID, as it  in smb2_handle_negotiate()
1225 	memset(rsp->ServerGUID, 0, SMB2_CLIENT_GUID_SIZE);  in smb2_handle_negotiate()
1227 	rsp->SystemTime = cpu_to_le64(ksmbd_systime());  in smb2_handle_negotiate()
1228 	rsp->ServerStartTime = 0;  in smb2_handle_negotiate()
1230 		    le32_to_cpu(rsp->NegotiateContextOffset),  in smb2_handle_negotiate()
1231 		    le16_to_cpu(rsp->NegotiateContextCount));  in smb2_handle_negotiate()
1233 	rsp->SecurityBufferOffset = cpu_to_le16(128);  in smb2_handle_negotiate()
1234 	rsp->SecurityBufferLength = cpu_to_le16(AUTH_GSS_LENGTH);  in smb2_handle_negotiate()
1235 	ksmbd_copy_gss_neg_header((char *)(&rsp->hdr) +  in smb2_handle_negotiate()
1236 				  le16_to_cpu(rsp->SecurityBufferOffset));  in smb2_handle_negotiate()
1238 	rsp->SecurityMode = SMB2_NEGOTIATE_SIGNING_ENABLED_LE;  in smb2_handle_negotiate()
1239 	conn->use_spnego = true;  in smb2_handle_negotiate()
1243 	    req->SecurityMode & SMB2_NEGOTIATE_SIGNING_REQUIRED_LE)  in smb2_handle_negotiate()
1244 		conn->sign = true;  in smb2_handle_negotiate()
1247 		rsp->SecurityMode |= SMB2_NEGOTIATE_SIGNING_REQUIRED_LE;  in smb2_handle_negotiate()
1248 		conn->sign = true;  in smb2_handle_negotiate()
1251 	conn->srv_sec_mode = le16_to_cpu(rsp->SecurityMode);  in smb2_handle_negotiate()
1257 		rsp->hdr.Status = STATUS_INSUFFICIENT_RESOURCES;  in smb2_handle_negotiate()
1271 	if (sess->Preauth_HashValue)  in alloc_preauth_hash()
1274 	if (!conn->preauth_info)  in alloc_preauth_hash()
1275 		return -ENOMEM;  in alloc_preauth_hash()
1277 	sess->Preauth_HashValue = kmemdup(conn->preauth_info->Preauth_HashValue,  in alloc_preauth_hash()
1279 	if (!sess->Preauth_HashValue)  in alloc_preauth_hash()
1280 		return -ENOMEM;  in alloc_preauth_hash()
1287 	struct ksmbd_conn *conn = work->conn;  in generate_preauth_hash()
1288 	struct ksmbd_session *sess = work->sess;  in generate_preauth_hash()
1291 	if (conn->dialect != SMB311_PROT_ID)  in generate_preauth_hash()
1294 	if (conn->binding) {  in generate_preauth_hash()
1297 		preauth_sess = ksmbd_preauth_session_lookup(conn, sess->id);  in generate_preauth_hash()
1299 			preauth_sess = ksmbd_preauth_session_alloc(conn, sess->id);  in generate_preauth_hash()
1301 				return -ENOMEM;  in generate_preauth_hash()
1304 		preauth_hash = preauth_sess->Preauth_HashValue;  in generate_preauth_hash()
1306 		if (!sess->Preauth_HashValue)  in generate_preauth_hash()
1308 				return -ENOMEM;  in generate_preauth_hash()
1309 		preauth_hash = sess->Preauth_HashValue;  in generate_preauth_hash()
1312 	ksmbd_gen_preauth_integrity_hash(conn, work->request_buf, preauth_hash);  in generate_preauth_hash()
1320 	if (!conn->use_spnego)  in decode_negotiation_token()
1321 		return -EINVAL;  in decode_negotiation_token()
1325 			conn->auth_mechs |= KSMBD_AUTH_NTLMSSP;  in decode_negotiation_token()
1326 			conn->preferred_auth_mech = KSMBD_AUTH_NTLMSSP;  in decode_negotiation_token()
1327 			conn->use_spnego = false;  in decode_negotiation_token()
1344 	rc = ksmbd_decode_ntlmssp_neg_blob(negblob, negblob_len, work->conn);  in ntlm_negotiate()
1348 	sz = le16_to_cpu(rsp->SecurityBufferOffset);  in ntlm_negotiate()
1349 	chgblob = (struct challenge_message *)rsp->Buffer;  in ntlm_negotiate()
1352 	if (!work->conn->use_spnego) {  in ntlm_negotiate()
1353 		sz = ksmbd_build_ntlmssp_challenge_blob(chgblob, work->conn);  in ntlm_negotiate()
1355 			return -ENOMEM;  in ntlm_negotiate()
1357 		rsp->SecurityBufferLength = cpu_to_le16(sz);  in ntlm_negotiate()
1366 		return -ENOMEM;  in ntlm_negotiate()
1369 	sz = ksmbd_build_ntlmssp_challenge_blob(chgblob, work->conn);  in ntlm_negotiate()
1371 		rc = -ENOMEM;  in ntlm_negotiate()
1378 		rc = -ENOMEM;  in ntlm_negotiate()
1382 	memcpy(rsp->Buffer, spnego_blob, spnego_blob_len);  in ntlm_negotiate()
1383 	rsp->SecurityBufferLength = cpu_to_le16(spnego_blob_len);  in ntlm_negotiate()
1396 	if (conn->use_spnego && conn->mechToken)  in user_authblob()
1397 		return (struct authenticate_message *)conn->mechToken;  in user_authblob()
1399 	sz = le16_to_cpu(req->SecurityBufferOffset);  in user_authblob()
1400 	return (struct authenticate_message *)((char *)&req->hdr.ProtocolId  in user_authblob()
1412 	if (conn->use_spnego && conn->mechToken)  in session_user()
1413 		secbuf_len = conn->mechTokenLen;  in session_user()
1415 		secbuf_len = le16_to_cpu(req->SecurityBufferLength);  in session_user()
1421 	name_off = le32_to_cpu(authblob->UserName.BufferOffset);  in session_user()
1422 	name_len = le16_to_cpu(authblob->UserName.Length);  in session_user()
1430 				      conn->local_nls);  in session_user()
1446 	struct ksmbd_conn *conn = work->conn;  in ntlm_authenticate()
1447 	struct ksmbd_session *sess = work->sess;  in ntlm_authenticate()
1448 	struct channel *chann = NULL;  in ntlm_authenticate()
1454 	if (conn->use_spnego) {  in ntlm_authenticate()
1462 			return -ENOMEM;  in ntlm_authenticate()
1464 		memcpy(rsp->Buffer, spnego_blob, spnego_blob_len);  in ntlm_authenticate()
1465 		rsp->SecurityBufferLength = cpu_to_le16(spnego_blob_len);  in ntlm_authenticate()
1472 		return -EPERM;  in ntlm_authenticate()
1476 	prev_id = le64_to_cpu(req->PreviousSessionId);  in ntlm_authenticate()
1477 	if (prev_id && prev_id != sess->id)  in ntlm_authenticate()
1480 	if (sess->state == SMB2_SESSION_VALID) {  in ntlm_authenticate()
1485 		if (conn->binding == false && ksmbd_anonymous_user(user)) {  in ntlm_authenticate()
1490 		if (!ksmbd_compare_user(sess->user, user)) {  in ntlm_authenticate()
1492 			return -EPERM;  in ntlm_authenticate()
1496 		sess->user = user;  in ntlm_authenticate()
1499 	if (conn->binding == false && user_guest(sess->user)) {  in ntlm_authenticate()
1500 		rsp->SessionFlags = SMB2_SESSION_FLAG_IS_GUEST_LE;  in ntlm_authenticate()
1505 		if (conn->use_spnego && conn->mechToken)  in ntlm_authenticate()
1506 			sz = conn->mechTokenLen;  in ntlm_authenticate()
1508 			sz = le16_to_cpu(req->SecurityBufferLength);  in ntlm_authenticate()
1511 			set_user_flag(sess->user, KSMBD_USER_FLAG_BAD_PASSWORD);  in ntlm_authenticate()
1513 			return -EPERM;  in ntlm_authenticate()
1522 	if (sess->state == SMB2_SESSION_VALID) {  in ntlm_authenticate()
1523 		if (conn->binding)  in ntlm_authenticate()
1528 	if ((rsp->SessionFlags != SMB2_SESSION_FLAG_IS_GUEST_LE &&  in ntlm_authenticate()
1529 	     (conn->sign || server_conf.enforced_signing)) ||  in ntlm_authenticate()
1530 	    (req->SecurityMode & SMB2_NEGOTIATE_SIGNING_REQUIRED))  in ntlm_authenticate()
1531 		sess->sign = true;  in ntlm_authenticate()
1534 			!(req->Flags & SMB2_SESSION_REQ_FLAG_BINDING)) {  in ntlm_authenticate()
1535 		rc = conn->ops->generate_encryptionkey(conn, sess);  in ntlm_authenticate()
1539 			return -EINVAL;  in ntlm_authenticate()
1541 		sess->enc = true;  in ntlm_authenticate()
1543 			rsp->SessionFlags = SMB2_SESSION_FLAG_ENCRYPT_DATA_LE;  in ntlm_authenticate()
1548 		sess->sign = false;  in ntlm_authenticate()
1552 	if (conn->dialect >= SMB30_PROT_ID) {  in ntlm_authenticate()
1555 			chann = kmalloc(sizeof(struct channel), KSMBD_DEFAULT_GFP);  in ntlm_authenticate()
1557 				return -ENOMEM;  in ntlm_authenticate()
1559 			chann->conn = conn;  in ntlm_authenticate()
1560 			xa_store(&sess->ksmbd_chann_list, (long)conn, chann, KSMBD_DEFAULT_GFP);  in ntlm_authenticate()
1564 	if (conn->ops->generate_signingkey) {  in ntlm_authenticate()
1565 		rc = conn->ops->generate_signingkey(sess, conn);  in ntlm_authenticate()
1568 			return -EINVAL;  in ntlm_authenticate()
1574 		return -ENOENT;  in ntlm_authenticate()
1584 	struct ksmbd_conn *conn = work->conn;  in krb5_authenticate()
1585 	struct ksmbd_session *sess = work->sess;  in krb5_authenticate()
1587 	struct channel *chann = NULL;  in krb5_authenticate()
1592 	in_blob = (char *)&req->hdr.ProtocolId +  in krb5_authenticate()
1593 		le16_to_cpu(req->SecurityBufferOffset);  in krb5_authenticate()
1594 	in_len = le16_to_cpu(req->SecurityBufferLength);  in krb5_authenticate()
1595 	out_blob = (char *)&rsp->hdr.ProtocolId +  in krb5_authenticate()
1596 		le16_to_cpu(rsp->SecurityBufferOffset);  in krb5_authenticate()
1597 	out_len = work->response_sz -  in krb5_authenticate()
1598 		(le16_to_cpu(rsp->SecurityBufferOffset) + 4);  in krb5_authenticate()
1601 	prev_sess_id = le64_to_cpu(req->PreviousSessionId);  in krb5_authenticate()
1602 	if (prev_sess_id && prev_sess_id != sess->id)  in krb5_authenticate()
1603 		destroy_previous_session(conn, sess->user, prev_sess_id);  in krb5_authenticate()
1605 	if (sess->state == SMB2_SESSION_VALID) {  in krb5_authenticate()
1606 		ksmbd_free_user(sess->user);  in krb5_authenticate()
1607 		sess->user = NULL;  in krb5_authenticate()
1614 		return -EINVAL;  in krb5_authenticate()
1616 	rsp->SecurityBufferLength = cpu_to_le16(out_len);  in krb5_authenticate()
1618 	if ((conn->sign || server_conf.enforced_signing) ||  in krb5_authenticate()
1619 	    (req->SecurityMode & SMB2_NEGOTIATE_SIGNING_REQUIRED))  in krb5_authenticate()
1620 		sess->sign = true;  in krb5_authenticate()
1623 		retval = conn->ops->generate_encryptionkey(conn, sess);  in krb5_authenticate()
1627 			return -EINVAL;  in krb5_authenticate()
1629 		sess->enc = true;  in krb5_authenticate()
1631 			rsp->SessionFlags = SMB2_SESSION_FLAG_ENCRYPT_DATA_LE;  in krb5_authenticate()
1632 		sess->sign = false;  in krb5_authenticate()
1635 	if (conn->dialect >= SMB30_PROT_ID) {  in krb5_authenticate()
1638 			chann = kmalloc(sizeof(struct channel), KSMBD_DEFAULT_GFP);  in krb5_authenticate()
1640 				return -ENOMEM;  in krb5_authenticate()
1642 			chann->conn = conn;  in krb5_authenticate()
1643 			xa_store(&sess->ksmbd_chann_list, (long)conn, chann, KSMBD_DEFAULT_GFP);  in krb5_authenticate()
1647 	if (conn->ops->generate_signingkey) {  in krb5_authenticate()
1648 		retval = conn->ops->generate_signingkey(sess, conn);  in krb5_authenticate()
1651 			return -EINVAL;  in krb5_authenticate()
1657 		return -ENOENT;  in krb5_authenticate()
1666 	return -EOPNOTSUPP;  in krb5_authenticate()
1672 	struct ksmbd_conn *conn = work->conn;  in smb2_sess_setup()
1683 		work->send_no_response = 1;  in smb2_sess_setup()
1689 	rsp->StructureSize = cpu_to_le16(9);  in smb2_sess_setup()
1690 	rsp->SessionFlags = 0;  in smb2_sess_setup()
1691 	rsp->SecurityBufferOffset = cpu_to_le16(72);  in smb2_sess_setup()
1692 	rsp->SecurityBufferLength = 0;  in smb2_sess_setup()
1695 	if (!req->hdr.SessionId) {  in smb2_sess_setup()
1698 			rc = -ENOMEM;  in smb2_sess_setup()
1701 		rsp->hdr.SessionId = cpu_to_le64(sess->id);  in smb2_sess_setup()
1706 		conn->binding = false;  in smb2_sess_setup()
1707 	} else if (conn->dialect >= SMB30_PROT_ID &&  in smb2_sess_setup()
1709 		   req->Flags & SMB2_SESSION_REQ_FLAG_BINDING) {  in smb2_sess_setup()
1710 		u64 sess_id = le64_to_cpu(req->hdr.SessionId);  in smb2_sess_setup()
1714 			rc = -ENOENT;  in smb2_sess_setup()
1718 		if (conn->dialect != sess->dialect) {  in smb2_sess_setup()
1719 			rc = -EINVAL;  in smb2_sess_setup()
1723 		if (!(req->hdr.Flags & SMB2_FLAGS_SIGNED)) {  in smb2_sess_setup()
1724 			rc = -EINVAL;  in smb2_sess_setup()
1728 		if (strncmp(conn->ClientGUID, sess->ClientGUID,  in smb2_sess_setup()
1730 			rc = -ENOENT;  in smb2_sess_setup()
1734 		if (sess->state == SMB2_SESSION_IN_PROGRESS) {  in smb2_sess_setup()
1735 			rc = -EACCES;  in smb2_sess_setup()
1739 		if (sess->state == SMB2_SESSION_EXPIRED) {  in smb2_sess_setup()
1740 			rc = -EFAULT;  in smb2_sess_setup()
1745 			rc = -EFAULT;  in smb2_sess_setup()
1752 			rc = -EACCES;  in smb2_sess_setup()
1756 		if (user_guest(sess->user)) {  in smb2_sess_setup()
1757 			rc = -EOPNOTSUPP;  in smb2_sess_setup()
1761 		conn->binding = true;  in smb2_sess_setup()
1762 	} else if ((conn->dialect < SMB30_PROT_ID ||  in smb2_sess_setup()
1764 		   (req->Flags & SMB2_SESSION_REQ_FLAG_BINDING)) {  in smb2_sess_setup()
1766 		rc = -EACCES;  in smb2_sess_setup()
1770 					    le64_to_cpu(req->hdr.SessionId));  in smb2_sess_setup()
1772 			rc = -ENOENT;  in smb2_sess_setup()
1776 		if (sess->state == SMB2_SESSION_EXPIRED) {  in smb2_sess_setup()
1777 			rc = -EFAULT;  in smb2_sess_setup()
1782 			rc = -EFAULT;  in smb2_sess_setup()
1787 		conn->binding = false;  in smb2_sess_setup()
1789 	work->sess = sess;  in smb2_sess_setup()
1791 	negblob_off = le16_to_cpu(req->SecurityBufferOffset);  in smb2_sess_setup()
1792 	negblob_len = le16_to_cpu(req->SecurityBufferLength);  in smb2_sess_setup()
1794 		rc = -EINVAL;  in smb2_sess_setup()
1798 	negblob = (struct negotiate_message *)((char *)&req->hdr.ProtocolId +  in smb2_sess_setup()
1802 		if (conn->mechToken) {  in smb2_sess_setup()
1803 			negblob = (struct negotiate_message *)conn->mechToken;  in smb2_sess_setup()
1804 			negblob_len = conn->mechTokenLen;  in smb2_sess_setup()
1809 		rc = -EINVAL;  in smb2_sess_setup()
1813 	if (server_conf.auth_mechs & conn->auth_mechs) {  in smb2_sess_setup()
1818 		if (conn->preferred_auth_mech &  in smb2_sess_setup()
1822 				rc = -EINVAL;  in smb2_sess_setup()
1828 				sess->state = SMB2_SESSION_VALID;  in smb2_sess_setup()
1830 			kfree(sess->Preauth_HashValue);  in smb2_sess_setup()
1831 			sess->Preauth_HashValue = NULL;  in smb2_sess_setup()
1832 		} else if (conn->preferred_auth_mech == KSMBD_AUTH_NTLMSSP) {  in smb2_sess_setup()
1833 			if (negblob->MessageType == NtLmNegotiate) {  in smb2_sess_setup()
1837 				rsp->hdr.Status =  in smb2_sess_setup()
1839 			} else if (negblob->MessageType == NtLmAuthenticate) {  in smb2_sess_setup()
1846 					sess->state = SMB2_SESSION_VALID;  in smb2_sess_setup()
1848 				if (conn->binding) {  in smb2_sess_setup()
1852 						ksmbd_preauth_session_lookup(conn, sess->id);  in smb2_sess_setup()
1854 						list_del(&preauth_sess->preauth_entry);  in smb2_sess_setup()
1858 				kfree(sess->Preauth_HashValue);  in smb2_sess_setup()
1859 				sess->Preauth_HashValue = NULL;  in smb2_sess_setup()
1862 						le32_to_cpu(negblob->MessageType));  in smb2_sess_setup()
1863 				rc = -EINVAL;  in smb2_sess_setup()
1868 			rc = -EINVAL;  in smb2_sess_setup()
1872 		rc = -EINVAL;  in smb2_sess_setup()
1876 	if (rc == -EINVAL)  in smb2_sess_setup()
1877 		rsp->hdr.Status = STATUS_INVALID_PARAMETER;  in smb2_sess_setup()
1878 	else if (rc == -ENOENT)  in smb2_sess_setup()
1879 		rsp->hdr.Status = STATUS_USER_SESSION_DELETED;  in smb2_sess_setup()
1880 	else if (rc == -EACCES)  in smb2_sess_setup()
1881 		rsp->hdr.Status = STATUS_REQUEST_NOT_ACCEPTED;  in smb2_sess_setup()
1882 	else if (rc == -EFAULT)  in smb2_sess_setup()
1883 		rsp->hdr.Status = STATUS_NETWORK_SESSION_EXPIRED;  in smb2_sess_setup()
1884 	else if (rc == -ENOMEM)  in smb2_sess_setup()
1885 		rsp->hdr.Status = STATUS_INSUFFICIENT_RESOURCES;  in smb2_sess_setup()
1886 	else if (rc == -EOPNOTSUPP)  in smb2_sess_setup()
1887 		rsp->hdr.Status = STATUS_NOT_SUPPORTED;  in smb2_sess_setup()
1889 		rsp->hdr.Status = STATUS_LOGON_FAILURE;  in smb2_sess_setup()
1891 	if (conn->use_spnego && conn->mechToken) {  in smb2_sess_setup()
1892 		kfree(conn->mechToken);  in smb2_sess_setup()
1893 		conn->mechToken = NULL;  in smb2_sess_setup()
1901 		rsp->SecurityBufferOffset = 0;  in smb2_sess_setup()
1912 			if (sess->user && sess->user->flags & KSMBD_USER_FLAG_DELAY_SESSION)  in smb2_sess_setup()
1915 			sess->last_active = jiffies;  in smb2_sess_setup()
1916 			sess->state = SMB2_SESSION_EXPIRED;  in smb2_sess_setup()
1918 			work->sess = NULL;  in smb2_sess_setup()
1929 		if (rsp->SecurityBufferLength)  in smb2_sess_setup()
1931 				le16_to_cpu(rsp->SecurityBufferLength);  in smb2_sess_setup()
1936 			rsp->hdr.Status = STATUS_INSUFFICIENT_RESOURCES;  in smb2_sess_setup()
1944  * smb2_tree_connect() - handler for smb2 tree connect command
1951 	struct ksmbd_conn *conn = work->conn;  in smb2_tree_connect()
1954 	struct ksmbd_session *sess = work->sess;  in smb2_tree_connect()
1958 	int rc = -EINVAL;  in smb2_tree_connect()
1964 	treename = smb_strndup_from_utf16((char *)req + le16_to_cpu(req->PathOffset),  in smb2_tree_connect()
1965 					  le16_to_cpu(req->PathLength), true,  in smb2_tree_connect()
1966 					  conn->local_nls);  in smb2_tree_connect()
1973 	name = ksmbd_extract_sharename(conn->um, treename);  in smb2_tree_connect()
1984 		rsp->hdr.Id.SyncId.TreeId = cpu_to_le32(status.tree_conn->id);  in smb2_tree_connect()
1988 	share = status.tree_conn->share_conf;  in smb2_tree_connect()
1991 		rsp->ShareType = SMB2_SHARE_TYPE_PIPE;  in smb2_tree_connect()
1992 		rsp->MaximalAccess = FILE_READ_DATA_LE | FILE_READ_EA_LE |  in smb2_tree_connect()
1998 		rsp->ShareType = SMB2_SHARE_TYPE_DISK;  in smb2_tree_connect()
1999 		rsp->MaximalAccess = FILE_READ_DATA_LE | FILE_READ_EA_LE |  in smb2_tree_connect()
2003 			rsp->MaximalAccess |= FILE_WRITE_DATA_LE |  in smb2_tree_connect()
2012 	status.tree_conn->maximal_access = le32_to_cpu(rsp->MaximalAccess);  in smb2_tree_connect()
2013 	if (conn->posix_ext_supported)  in smb2_tree_connect()
2014 		status.tree_conn->posix_extensions = true;  in smb2_tree_connect()
2016 	write_lock(&sess->tree_conns_lock);  in smb2_tree_connect()
2017 	status.tree_conn->t_state = TREE_CONNECTED;  in smb2_tree_connect()
2018 	write_unlock(&sess->tree_conns_lock);  in smb2_tree_connect()
2019 	rsp->StructureSize = cpu_to_le16(16);  in smb2_tree_connect()
2024 		rsp->Capabilities = SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY;  in smb2_tree_connect()
2026 		rsp->Capabilities = 0;  in smb2_tree_connect()
2027 	rsp->Reserved = 0;  in smb2_tree_connect()
2029 	rsp->ShareFlags = SMB2_SHAREFLAG_MANUAL_CACHING;  in smb2_tree_connect()
2042 		rsp->hdr.Status = STATUS_SUCCESS;  in smb2_tree_connect()
2045 	case -ESTALE:  in smb2_tree_connect()
2046 	case -ENOENT:  in smb2_tree_connect()
2048 		rsp->hdr.Status = STATUS_BAD_NETWORK_NAME;  in smb2_tree_connect()
2050 	case -ENOMEM:  in smb2_tree_connect()
2052 		rsp->hdr.Status = STATUS_NO_MEMORY;  in smb2_tree_connect()
2057 		rsp->hdr.Status = STATUS_ACCESS_DENIED;  in smb2_tree_connect()
2059 	case -EINVAL:  in smb2_tree_connect()
2060 		rsp->hdr.Status = STATUS_INVALID_PARAMETER;  in smb2_tree_connect()
2063 		rsp->hdr.Status = STATUS_ACCESS_DENIED;  in smb2_tree_connect()
2073  * smb2_create_open_flags() - convert smb open flags to unix open flags
2145  * smb2_tree_disconnect() - handler for smb tree connect request
2154 	struct ksmbd_session *sess = work->sess;  in smb2_tree_disconnect()
2155 	struct ksmbd_tree_connect *tcon = work->tcon;  in smb2_tree_disconnect()  local
2162 	if (!tcon) {  in smb2_tree_disconnect()
2163 		ksmbd_debug(SMB, "Invalid tid %d\n", req->hdr.Id.SyncId.TreeId);  in smb2_tree_disconnect()
2165 		rsp->hdr.Status = STATUS_NETWORK_NAME_DELETED;  in smb2_tree_disconnect()
2166 		err = -ENOENT;  in smb2_tree_disconnect()
2172 	write_lock(&sess->tree_conns_lock);  in smb2_tree_disconnect()
2173 	if (tcon->t_state == TREE_DISCONNECTED) {  in smb2_tree_disconnect()
2174 		write_unlock(&sess->tree_conns_lock);  in smb2_tree_disconnect()
2175 		rsp->hdr.Status = STATUS_NETWORK_NAME_DELETED;  in smb2_tree_disconnect()
2176 		err = -ENOENT;  in smb2_tree_disconnect()
2180 	WARN_ON_ONCE(atomic_dec_and_test(&tcon->refcount));  in smb2_tree_disconnect()
2181 	tcon->t_state = TREE_DISCONNECTED;  in smb2_tree_disconnect()
2182 	write_unlock(&sess->tree_conns_lock);  in smb2_tree_disconnect()
2184 	err = ksmbd_tree_conn_disconnect(sess, tcon);  in smb2_tree_disconnect()
2186 		rsp->hdr.Status = STATUS_NETWORK_NAME_DELETED;  in smb2_tree_disconnect()
2190 	work->tcon = NULL;  in smb2_tree_disconnect()
2192 	rsp->StructureSize = cpu_to_le16(4);  in smb2_tree_disconnect()
2196 		rsp->hdr.Status = STATUS_INSUFFICIENT_RESOURCES;  in smb2_tree_disconnect()
2209  * smb2_session_logoff() - handler for session log off request
2216 	struct ksmbd_conn *conn = work->conn;  in smb2_session_logoff()
2217 	struct ksmbd_session *sess = work->sess;  in smb2_session_logoff()
2230 		rsp->hdr.Status = STATUS_NETWORK_NAME_DELETED;  in smb2_session_logoff()
2232 		return -ENOENT;  in smb2_session_logoff()
2234 	sess_id = le64_to_cpu(req->hdr.SessionId);  in smb2_session_logoff()
2242 		ksmbd_debug(SMB, "Invalid tid %d\n", req->hdr.Id.SyncId.TreeId);  in smb2_session_logoff()
2243 		rsp->hdr.Status = STATUS_NETWORK_NAME_DELETED;  in smb2_session_logoff()
2245 		return -ENOENT;  in smb2_session_logoff()
2248 	down_write(&conn->session_lock);  in smb2_session_logoff()
2249 	sess->state = SMB2_SESSION_EXPIRED;  in smb2_session_logoff()
2250 	up_write(&conn->session_lock);  in smb2_session_logoff()
2252 	if (sess->user) {  in smb2_session_logoff()
2253 		ksmbd_free_user(sess->user);  in smb2_session_logoff()
2254 		sess->user = NULL;  in smb2_session_logoff()
2258 	rsp->StructureSize = cpu_to_le16(4);  in smb2_session_logoff()
2261 		rsp->hdr.Status = STATUS_INSUFFICIENT_RESOURCES;  in smb2_session_logoff()
2269  * create_smb2_pipe() - create IPC pipe
2284 	name = smb_strndup_from_utf16(req->Buffer, le16_to_cpu(req->NameLength),  in create_smb2_pipe()
2285 				      1, work->conn->local_nls);  in create_smb2_pipe()
2287 		rsp->hdr.Status = STATUS_NO_MEMORY;  in create_smb2_pipe()
2292 	id = ksmbd_session_rpc_open(work->sess, name);  in create_smb2_pipe()
2299 	rsp->hdr.Status = STATUS_SUCCESS;  in create_smb2_pipe()
2300 	rsp->StructureSize = cpu_to_le16(89);  in create_smb2_pipe()
2301 	rsp->OplockLevel = SMB2_OPLOCK_LEVEL_NONE;  in create_smb2_pipe()
2302 	rsp->Flags = 0;  in create_smb2_pipe()
2303 	rsp->CreateAction = cpu_to_le32(FILE_OPENED);  in create_smb2_pipe()
2305 	rsp->CreationTime = cpu_to_le64(0);  in create_smb2_pipe()
2306 	rsp->LastAccessTime = cpu_to_le64(0);  in create_smb2_pipe()
2307 	rsp->ChangeTime = cpu_to_le64(0);  in create_smb2_pipe()
2308 	rsp->AllocationSize = cpu_to_le64(0);  in create_smb2_pipe()
2309 	rsp->EndofFile = cpu_to_le64(0);  in create_smb2_pipe()
2310 	rsp->FileAttributes = FILE_ATTRIBUTE_NORMAL_LE;  in create_smb2_pipe()
2311 	rsp->Reserved2 = 0;  in create_smb2_pipe()
2312 	rsp->VolatileFileId = id;  in create_smb2_pipe()
2313 	rsp->PersistentFileId = 0;  in create_smb2_pipe()
2314 	rsp->CreateContextsOffset = 0;  in create_smb2_pipe()
2315 	rsp->CreateContextsLength = 0;  in create_smb2_pipe()
2326 	case -EINVAL:  in create_smb2_pipe()
2327 		rsp->hdr.Status = STATUS_INVALID_PARAMETER;  in create_smb2_pipe()
2329 	case -ENOSPC:  in create_smb2_pipe()
2330 	case -ENOMEM:  in create_smb2_pipe()
2331 		rsp->hdr.Status = STATUS_NO_MEMORY;  in create_smb2_pipe()
2343  * smb2_set_ea() - handler for setting extended attributes using set
2355 	struct mnt_idmap *idmap = mnt_idmap(path->mnt);  in smb2_set_ea()
2360 	if (buf_len < sizeof(struct smb2_ea_info) + eabuf->EaNameLength +  in smb2_set_ea()
2361 			le16_to_cpu(eabuf->EaValueLength))  in smb2_set_ea()
2362 		return -EINVAL;  in smb2_set_ea()
2366 		return -ENOMEM;  in smb2_set_ea()
2369 		if (!eabuf->EaNameLength)  in smb2_set_ea()
2374 			    eabuf->name, eabuf->EaNameLength,  in smb2_set_ea()
2375 			    le16_to_cpu(eabuf->EaValueLength),  in smb2_set_ea()
2376 			    le32_to_cpu(eabuf->NextEntryOffset));  in smb2_set_ea()
2378 		if (eabuf->EaNameLength >  in smb2_set_ea()
2379 		    (XATTR_NAME_MAX - XATTR_USER_PREFIX_LEN)) {  in smb2_set_ea()
2380 			rc = -EINVAL;  in smb2_set_ea()
2385 		memcpy(&attr_name[XATTR_USER_PREFIX_LEN], eabuf->name,  in smb2_set_ea()
2386 		       eabuf->EaNameLength);  in smb2_set_ea()
2387 		attr_name[XATTR_USER_PREFIX_LEN + eabuf->EaNameLength] = '\0';  in smb2_set_ea()
2388 		value = (char *)&eabuf->name + eabuf->EaNameLength + 1;  in smb2_set_ea()
2390 		if (!eabuf->EaValueLength) {  in smb2_set_ea()
2392 						     path->dentry,  in smb2_set_ea()
2395 						     eabuf->EaNameLength);  in smb2_set_ea()
2416 						le16_to_cpu(eabuf->EaValueLength),  in smb2_set_ea()
2427 		next = le32_to_cpu(eabuf->NextEntryOffset);  in smb2_set_ea()
2430 		buf_len -= next;  in smb2_set_ea()
2433 			rc = -EINVAL;  in smb2_set_ea()
2437 		if (buf_len < sizeof(struct smb2_ea_info) + eabuf->EaNameLength +  in smb2_set_ea()
2438 				le16_to_cpu(eabuf->EaValueLength)) {  in smb2_set_ea()
2439 			rc = -EINVAL;  in smb2_set_ea()
2452 	struct mnt_idmap *idmap = mnt_idmap(path->mnt);  in smb2_set_stream_name_xattr()
2464 	fp->stream.name = xattr_stream_name;  in smb2_set_stream_name_xattr()
2465 	fp->stream.size = xattr_stream_size;  in smb2_set_stream_name_xattr()
2469 				     path->dentry,  in smb2_set_stream_name_xattr()
2475 	if (fp->cdoption == FILE_OPEN_LE) {  in smb2_set_stream_name_xattr()
2477 		return -EBADF;  in smb2_set_stream_name_xattr()
2488 	struct mnt_idmap *idmap = mnt_idmap(path->mnt);  in smb2_remove_smb_xattrs()
2493 	xattr_list_len = ksmbd_vfs_listxattr(path->dentry, &xattr_list);  in smb2_remove_smb_xattrs()
2501 	for (name = xattr_list; name - xattr_list < xattr_list_len;  in smb2_remove_smb_xattrs()
2530 	if (rc == -EOPNOTSUPP)  in smb2_create_truncate()
2539 static void smb2_new_xattrs(struct ksmbd_tree_connect *tcon, const struct path *path,  in smb2_new_xattrs()  argument
2545 	if (!test_share_config_flag(tcon->share_conf,  in smb2_new_xattrs()
2550 	da.attr = le32_to_cpu(fp->f_ci->m_fattr);  in smb2_new_xattrs()
2551 	da.itime = da.create_time = fp->create_time;  in smb2_new_xattrs()
2555 	rc = ksmbd_vfs_set_dos_attrib_xattr(mnt_idmap(path->mnt), path, &da, true);  in smb2_new_xattrs()
2560 static void smb2_update_xattrs(struct ksmbd_tree_connect *tcon,  in smb2_update_xattrs()  argument
2566 	fp->f_ci->m_fattr &= ~(FILE_ATTRIBUTE_HIDDEN_LE | FILE_ATTRIBUTE_SYSTEM_LE);  in smb2_update_xattrs()
2569 	if (!test_share_config_flag(tcon->share_conf,  in smb2_update_xattrs()
2573 	rc = ksmbd_vfs_get_dos_attrib_xattr(mnt_idmap(path->mnt),  in smb2_update_xattrs()
2574 					    path->dentry, &da);  in smb2_update_xattrs()
2576 		fp->f_ci->m_fattr = cpu_to_le32(da.attr);  in smb2_update_xattrs()
2577 		fp->create_time = da.create_time;  in smb2_update_xattrs()
2578 		fp->itime = da.itime;  in smb2_update_xattrs()
2586 	struct ksmbd_tree_connect *tcon = work->tcon;  in smb2_creat()  local
2587 	struct ksmbd_share_config *share = tcon->share_conf;  in smb2_creat()
2592 		return -EBADF;  in smb2_creat()
2627 	if (!req->CreateContextsOffset)  in smb2_create_sd_buffer()
2628 		return -ENOENT;  in smb2_create_sd_buffer()
2633 		return -ENOENT;  in smb2_create_sd_buffer()
2640 	if (le16_to_cpu(context->DataOffset) +  in smb2_create_sd_buffer()
2641 	    le32_to_cpu(context->DataLength) <  in smb2_create_sd_buffer()
2643 		return -EINVAL;  in smb2_create_sd_buffer()
2644 	return set_info_sec(work->conn, work->tcon, path, &sd_buf->ntsd,  in smb2_create_sd_buffer()
2645 			    le32_to_cpu(sd_buf->ccontext.DataLength), true, false);  in smb2_create_sd_buffer()
2655 	fattr->cf_uid = vfsuid_into_kuid(vfsuid);  in ksmbd_acls_fattr()
2656 	fattr->cf_gid = vfsgid_into_kgid(vfsgid);  in ksmbd_acls_fattr()
2657 	fattr->cf_mode = inode->i_mode;  in ksmbd_acls_fattr()
2658 	fattr->cf_acls = NULL;  in ksmbd_acls_fattr()
2659 	fattr->cf_dacls = NULL;  in ksmbd_acls_fattr()
2662 		fattr->cf_acls = get_inode_acl(inode, ACL_TYPE_ACCESS);  in ksmbd_acls_fattr()
2663 		if (S_ISDIR(inode->i_mode))  in ksmbd_acls_fattr()
2664 			fattr->cf_dacls = get_inode_acl(inode, ACL_TYPE_DEFAULT);  in ksmbd_acls_fattr()
2689 	struct ksmbd_conn *conn = work->conn;  in parse_durable_handle_context()
2696 	req_op_level = req->RequestedOplockLevel;  in parse_durable_handle_context()
2699 		context = smb2_find_context_vals(req, durable_arr[dh_idx - 1], 4);  in parse_durable_handle_context()
2712 			if (dh_info->type == DURABLE_RECONN ||  in parse_durable_handle_context()
2713 			    dh_info->type == DURABLE_REQ_V2) {  in parse_durable_handle_context()
2714 				err = -EINVAL;  in parse_durable_handle_context()
2718 			if (le16_to_cpu(context->DataOffset) +  in parse_durable_handle_context()
2719 				le32_to_cpu(context->DataLength) <  in parse_durable_handle_context()
2721 				err = -EINVAL;  in parse_durable_handle_context()
2726 			persistent_id = recon_v2->Fid.PersistentFileId;  in parse_durable_handle_context()
2727 			dh_info->fp = ksmbd_lookup_durable_fd(persistent_id);  in parse_durable_handle_context()
2728 			if (!dh_info->fp) {  in parse_durable_handle_context()
2730 				err = -EBADF;  in parse_durable_handle_context()
2734 			if (memcmp(dh_info->fp->create_guid, recon_v2->CreateGuid,  in parse_durable_handle_context()
2736 				err = -EBADF;  in parse_durable_handle_context()
2737 				ksmbd_put_durable_fd(dh_info->fp);  in parse_durable_handle_context()
2741 			dh_info->type = dh_idx;  in parse_durable_handle_context()
2742 			dh_info->reconnected = true;  in parse_durable_handle_context()
2744 				"reconnect v2 Persistent-id from reconnect = %llu\n",  in parse_durable_handle_context()
2752 			if (dh_info->type == DURABLE_RECONN_V2 ||  in parse_durable_handle_context()
2753 			    dh_info->type == DURABLE_REQ_V2) {  in parse_durable_handle_context()
2754 				err = -EINVAL;  in parse_durable_handle_context()
2758 			if (le16_to_cpu(context->DataOffset) +  in parse_durable_handle_context()
2759 				le32_to_cpu(context->DataLength) <  in parse_durable_handle_context()
2761 				err = -EINVAL;  in parse_durable_handle_context()
2766 			persistent_id = recon->Data.Fid.PersistentFileId;  in parse_durable_handle_context()
2767 			dh_info->fp = ksmbd_lookup_durable_fd(persistent_id);  in parse_durable_handle_context()
2768 			if (!dh_info->fp) {  in parse_durable_handle_context()
2770 				err = -EBADF;  in parse_durable_handle_context()
2774 			dh_info->type = dh_idx;  in parse_durable_handle_context()
2775 			dh_info->reconnected = true;  in parse_durable_handle_context()
2776 			ksmbd_debug(SMB, "reconnect Persistent-id from reconnect = %llu\n",  in parse_durable_handle_context()
2784 			if (dh_info->type == DURABLE_RECONN ||  in parse_durable_handle_context()
2785 			    dh_info->type == DURABLE_RECONN_V2) {  in parse_durable_handle_context()
2786 				err = -EINVAL;  in parse_durable_handle_context()
2790 			if (le16_to_cpu(context->DataOffset) +  in parse_durable_handle_context()
2791 				le32_to_cpu(context->DataLength) <  in parse_durable_handle_context()
2793 				err = -EINVAL;  in parse_durable_handle_context()
2800 			dh_info->fp = ksmbd_lookup_fd_cguid(durable_v2_blob->CreateGuid);  in parse_durable_handle_context()
2801 			if (dh_info->fp) {  in parse_durable_handle_context()
2802 				if (!memcmp(conn->ClientGUID, dh_info->fp->client_guid,  in parse_durable_handle_context()
2804 					if (!(req->hdr.Flags & SMB2_FLAGS_REPLAY_OPERATION)) {  in parse_durable_handle_context()
2805 						err = -ENOEXEC;  in parse_durable_handle_context()
2809 					dh_info->fp->conn = conn;  in parse_durable_handle_context()
2810 					dh_info->reconnected = true;  in parse_durable_handle_context()
2815 			if ((lc && (lc->req_state & SMB2_LEASE_HANDLE_CACHING_LE)) ||  in parse_durable_handle_context()
2817 				dh_info->CreateGuid =  in parse_durable_handle_context()
2818 					durable_v2_blob->CreateGuid;  in parse_durable_handle_context()
2819 				dh_info->persistent =  in parse_durable_handle_context()
2820 					le32_to_cpu(durable_v2_blob->Flags);  in parse_durable_handle_context()
2821 				dh_info->timeout =  in parse_durable_handle_context()
2822 					le32_to_cpu(durable_v2_blob->Timeout);  in parse_durable_handle_context()
2823 				dh_info->type = dh_idx;  in parse_durable_handle_context()
2828 			if (dh_info->type == DURABLE_RECONN)  in parse_durable_handle_context()
2830 			if (dh_info->type == DURABLE_RECONN_V2 ||  in parse_durable_handle_context()
2831 			    dh_info->type == DURABLE_REQ_V2) {  in parse_durable_handle_context()
2832 				err = -EINVAL;  in parse_durable_handle_context()
2836 			if ((lc && (lc->req_state & SMB2_LEASE_HANDLE_CACHING_LE)) ||  in parse_durable_handle_context()
2839 				dh_info->type = dh_idx;  in parse_durable_handle_context()
2849  * smb2_open() - handler for smb file open request
2856 	struct ksmbd_conn *conn = work->conn;  in smb2_open()
2857 	struct ksmbd_session *sess = work->sess;  in smb2_open()
2858 	struct ksmbd_tree_connect *tcon = work->tcon;  in smb2_open()  local
2862 	struct ksmbd_share_config *share = tcon->share_conf;  in smb2_open()
2892 	if (req->hdr.NextCommand && !work->next_smb2_rcv_hdr_off &&  in smb2_open()
2893 	    (req->hdr.Flags & SMB2_FLAGS_RELATED_OPERATIONS)) {  in smb2_open()
2895 		rsp->hdr.Status = STATUS_INVALID_PARAMETER;  in smb2_open()
2897 		return -EINVAL;  in smb2_open()
2905 	if (req->NameLength) {  in smb2_open()
2906 		name = smb2_get_name((char *)req + le16_to_cpu(req->NameOffset),  in smb2_open()
2907 				     le16_to_cpu(req->NameLength),  in smb2_open()
2908 				     work->conn->local_nls);  in smb2_open()
2917 			if (!test_share_config_flag(work->tcon->share_conf,  in smb2_open()
2919 				rc = -EBADF;  in smb2_open()
2932 			rc = -ENOENT;  in smb2_open()
2940 			rc = -ENOMEM;  in smb2_open()
2945 	req_op_level = req->RequestedOplockLevel;  in smb2_open()
2948 	    req->CreateContextsOffset) {  in smb2_open()
2970 				rc = -ENOMEM;  in smb2_open()
2978 			rc = ksmbd_vfs_getattr(&fp->filp->f_path, &stat);  in smb2_open()
2988 	if (le32_to_cpu(req->ImpersonationLevel) > le32_to_cpu(IL_DELEGATE)) {  in smb2_open()
2990 		       le32_to_cpu(req->ImpersonationLevel));  in smb2_open()
2991 		rc = -EIO;  in smb2_open()
2992 		rsp->hdr.Status = STATUS_BAD_IMPERSONATION_LEVEL;  in smb2_open()
2996 	if (req->CreateOptions && !(req->CreateOptions & CREATE_OPTIONS_MASK_LE)) {  in smb2_open()
2998 		       le32_to_cpu(req->CreateOptions));  in smb2_open()
2999 		rc = -EINVAL;  in smb2_open()
3002 		if (req->CreateOptions & FILE_SEQUENTIAL_ONLY_LE &&  in smb2_open()
3003 		    req->CreateOptions & FILE_RANDOM_ACCESS_LE)  in smb2_open()
3004 			req->CreateOptions = ~(FILE_SEQUENTIAL_ONLY_LE);  in smb2_open()
3006 		if (req->CreateOptions &  in smb2_open()
3009 			rc = -EOPNOTSUPP;  in smb2_open()
3013 		if (req->CreateOptions & FILE_DIRECTORY_FILE_LE) {  in smb2_open()
3014 			if (req->CreateOptions & FILE_NON_DIRECTORY_FILE_LE) {  in smb2_open()
3015 				rc = -EINVAL;  in smb2_open()
3017 			} else if (req->CreateOptions & FILE_NO_COMPRESSION_LE) {  in smb2_open()
3018 				req->CreateOptions = ~(FILE_NO_COMPRESSION_LE);  in smb2_open()
3023 	if (le32_to_cpu(req->CreateDisposition) >  in smb2_open()
3026 		       le32_to_cpu(req->CreateDisposition));  in smb2_open()
3027 		rc = -EINVAL;  in smb2_open()
3031 	if (!(req->DesiredAccess & DESIRED_ACCESS_MASK)) {  in smb2_open()
3033 		       le32_to_cpu(req->DesiredAccess));  in smb2_open()
3034 		rc = -EACCES;  in smb2_open()
3038 	if (req->FileAttributes && !(req->FileAttributes & FILE_ATTRIBUTE_MASK_LE)) {  in smb2_open()
3040 		       le32_to_cpu(req->FileAttributes));  in smb2_open()
3041 		rc = -EINVAL;  in smb2_open()
3045 	if (req->CreateContextsOffset) {  in smb2_open()
3046 		/* Parse non-durable handle create contexts */  in smb2_open()
3053 			if (le16_to_cpu(context->DataOffset) +  in smb2_open()
3054 			    le32_to_cpu(context->DataLength) <  in smb2_open()
3056 				rc = -EINVAL;  in smb2_open()
3059 			if (req->CreateOptions & FILE_NO_EA_KNOWLEDGE_LE) {  in smb2_open()
3060 				rsp->hdr.Status = STATUS_ACCESS_DENIED;  in smb2_open()
3061 				rc = -EACCES;  in smb2_open()
3084 			rc = -EBADF;  in smb2_open()
3088 		if (tcon->posix_extensions) {  in smb2_open()
3097 				if (le16_to_cpu(context->DataOffset) +  in smb2_open()
3098 				    le32_to_cpu(context->DataLength) <  in smb2_open()
3099 				    sizeof(struct create_posix) - 4) {  in smb2_open()
3100 					rc = -EINVAL;  in smb2_open()
3105 				posix_mode = le32_to_cpu(posix->Mode);  in smb2_open()
3112 		rc = -ENOMEM;  in smb2_open()
3121 		if (req->CreateOptions & FILE_DELETE_ON_CLOSE_LE) {  in smb2_open()
3126 			if (req->CreateDisposition == FILE_OVERWRITE_IF_LE ||  in smb2_open()
3127 			    req->CreateDisposition == FILE_OPEN_IF_LE) {  in smb2_open()
3128 				rc = -EACCES;  in smb2_open()
3132 			if (!test_tree_conn_flag(tcon, KSMBD_TREE_CONN_FLAG_WRITABLE)) {  in smb2_open()
3135 				rc = -EACCES;  in smb2_open()
3139 			rc = -EACCES;  in smb2_open()
3145 		if (rc != -ENOENT)  in smb2_open()
3153 		if (req->CreateOptions & FILE_DIRECTORY_FILE_LE) {  in smb2_open()
3155 				rc = -EIO;  in smb2_open()
3156 				rsp->hdr.Status = STATUS_NOT_A_DIRECTORY;  in smb2_open()
3159 			if (file_present && S_ISDIR(d_inode(path.dentry)->i_mode) &&  in smb2_open()
3161 				rc = -EIO;  in smb2_open()
3162 				rsp->hdr.Status = STATUS_FILE_IS_A_DIRECTORY;  in smb2_open()
3166 		if (req->CreateOptions & FILE_DIRECTORY_FILE_LE &&  in smb2_open()
3167 		    req->FileAttributes & FILE_ATTRIBUTE_NORMAL_LE) {  in smb2_open()
3168 			rsp->hdr.Status = STATUS_NOT_A_DIRECTORY;  in smb2_open()
3169 			rc = -EIO;  in smb2_open()
3176 	if (file_present && req->CreateOptions & FILE_NON_DIRECTORY_FILE_LE &&  in smb2_open()
3177 	    S_ISDIR(d_inode(path.dentry)->i_mode) &&  in smb2_open()
3178 	    !(req->CreateOptions & FILE_DELETE_ON_CLOSE_LE)) {  in smb2_open()
3180 			    name, req->CreateOptions);  in smb2_open()
3181 		rsp->hdr.Status = STATUS_FILE_IS_A_DIRECTORY;  in smb2_open()
3182 		rc = -EIO;  in smb2_open()
3186 	if (file_present && (req->CreateOptions & FILE_DIRECTORY_FILE_LE) &&  in smb2_open()
3187 	    !(req->CreateDisposition == FILE_CREATE_LE) &&  in smb2_open()
3188 	    !S_ISDIR(d_inode(path.dentry)->i_mode)) {  in smb2_open()
3189 		rsp->hdr.Status = STATUS_NOT_A_DIRECTORY;  in smb2_open()
3190 		rc = -EIO;  in smb2_open()
3195 	    req->CreateDisposition == FILE_CREATE_LE) {  in smb2_open()
3196 		rc = -EEXIST;  in smb2_open()
3200 	daccess = smb_map_generic_desired_access(req->DesiredAccess);  in smb2_open()
3202 	if (file_present && !(req->CreateOptions & FILE_DELETE_ON_CLOSE_LE)) {  in smb2_open()
3204 					 sess->user->uid);  in smb2_open()
3222 					    req->CreateDisposition,  in smb2_open()
3224 					    req->CreateOptions,  in smb2_open()
3225 					    file_present ? d_inode(path.dentry)->i_mode : 0);  in smb2_open()
3227 	if (!test_tree_conn_flag(tcon, KSMBD_TREE_CONN_FLAG_WRITABLE)) {  in smb2_open()
3231 			rc = -EACCES;  in smb2_open()
3240 				req->CreateOptions & FILE_DIRECTORY_FILE_LE);  in smb2_open()
3242 			if (rc == -ENOENT) {  in smb2_open()
3243 				rc = -EIO;  in smb2_open()
3244 				rsp->hdr.Status = STATUS_OBJECT_PATH_NOT_FOUND;  in smb2_open()
3252 			if (le32_to_cpu(ea_buf->ccontext.DataLength) <  in smb2_open()
3254 				rc = -EINVAL;  in smb2_open()
3258 			rc = smb2_set_ea(&ea_buf->ea,  in smb2_open()
3259 					 le32_to_cpu(ea_buf->ccontext.DataLength),  in smb2_open()
3261 			if (rc == -EOPNOTSUPP)  in smb2_open()
3279 			    (req->CreateOptions & FILE_DELETE_ON_CLOSE_LE)) {  in smb2_open()
3281 						      d_inode(path.dentry->d_parent),  in smb2_open()
3289 	rc = ksmbd_query_inode_status(path.dentry->d_parent);  in smb2_open()
3291 		rc = -EBUSY;  in smb2_open()
3309 		if ((req->CreateDisposition & FILE_CREATE_MASK_LE) ==  in smb2_open()
3316 	ksmbd_vfs_set_fadvise(filp, req->CreateOptions);  in smb2_open()
3318 	/* Obtain Volatile-ID */  in smb2_open()
3327 	/* Get Persistent-ID */  in smb2_open()
3329 	if (!has_file_id(fp->persistent_id)) {  in smb2_open()
3330 		rc = -ENOMEM;  in smb2_open()
3334 	fp->cdoption = req->CreateDisposition;  in smb2_open()
3335 	fp->daccess = daccess;  in smb2_open()
3336 	fp->saccess = req->ShareAccess;  in smb2_open()
3337 	fp->coption = req->CreateOptions;  in smb2_open()
3346 							   d_inode(path.dentry->d_parent));  in smb2_open()
3350 		if (test_share_config_flag(work->tcon->share_conf,  in smb2_open()
3352 			rc = smb_inherit_dacl(conn, &path, sess->user->uid,  in smb2_open()
3353 					      sess->user->gid);  in smb2_open()
3363 				if (test_share_config_flag(work->tcon->share_conf,  in smb2_open()
3371 						ace_num = fattr.cf_acls->a_count;  in smb2_open()
3373 						ace_num += fattr.cf_dacls->a_count;  in smb2_open()
3425 	fp->attrib_only = !(req->DesiredAccess & ~(FILE_READ_ATTRIBUTES_LE |  in smb2_open()
3432 	down_write(&fp->f_ci->m_lock);  in smb2_open()
3433 	list_add(&fp->node, &fp->f_ci->m_fp_list);  in smb2_open()
3434 	up_write(&fp->f_ci->m_lock);  in smb2_open()
3438 		rc = -EBUSY;  in smb2_open()
3445 	if (!S_ISDIR(file_inode(filp)->i_mode) && open_flags & O_TRUNC &&  in smb2_open()
3446 	    !fp->attrib_only && !stream_name) {  in smb2_open()
3451 	share_ret = ksmbd_smb_check_shared_mode(fp->filp, fp);  in smb2_open()
3452 	if (!test_share_config_flag(work->tcon->share_conf, KSMBD_SHARE_FLAG_OPLOCKS) ||  in smb2_open()
3454 	     !(conn->vals->capabilities & SMB2_GLOBAL_CAP_LEASING))) {  in smb2_open()
3455 		if (share_ret < 0 && !S_ISDIR(file_inode(fp->filp)->i_mode)) {  in smb2_open()
3461 			if (S_ISDIR(file_inode(filp)->i_mode)) {  in smb2_open()
3462 				lc->req_state &= ~SMB2_LEASE_WRITE_CACHING_LE;  in smb2_open()
3463 				lc->is_dir = true;  in smb2_open()
3473 			req_op_level = smb2_map_lease_to_oplock(lc->req_state);  in smb2_open()
3476 				    name, req_op_level, lc->req_state);  in smb2_open()
3477 			rc = find_same_lease_key(sess, fp->f_ci, lc);  in smb2_open()
3486 				      fp->persistent_id, fp,  in smb2_open()
3487 				      le32_to_cpu(req->hdr.Id.SyncId.TreeId),  in smb2_open()
3493 	if (req->CreateOptions & FILE_DELETE_ON_CLOSE_LE)  in smb2_open()
3497 		rc = smb2_create_truncate(&fp->filp->f_path);  in smb2_open()
3502 	if (req->CreateContextsOffset) {  in smb2_open()
3514 			if (le16_to_cpu(az_req->ccontext.DataOffset) +  in smb2_open()
3515 			    le32_to_cpu(az_req->ccontext.DataLength) <  in smb2_open()
3517 				rc = -EINVAL;  in smb2_open()
3520 			alloc_size = le64_to_cpu(az_req->AllocationSize);  in smb2_open()
3525 			err = vfs_fallocate(fp->filp, FALLOC_FL_KEEP_SIZE, 0,  in smb2_open()
3548 		fp->create_time = ksmbd_UnixTimeToNT(stat.btime);  in smb2_open()
3550 		fp->create_time = ksmbd_UnixTimeToNT(stat.ctime);  in smb2_open()
3551 	if (req->FileAttributes || fp->f_ci->m_fattr == 0)  in smb2_open()
3552 		fp->f_ci->m_fattr =  in smb2_open()
3553 			cpu_to_le32(smb2_get_dos_mode(&stat, le32_to_cpu(req->FileAttributes)));  in smb2_open()
3556 		smb2_update_xattrs(tcon, &path, fp);  in smb2_open()
3558 		smb2_new_xattrs(tcon, &path, fp);  in smb2_open()
3560 	memcpy(fp->client_guid, conn->ClientGUID, SMB2_CLIENT_GUID_SIZE);  in smb2_open()
3564 		    test_share_config_flag(work->tcon->share_conf,  in smb2_open()
3566 			fp->is_persistent = true;  in smb2_open()
3568 			fp->is_durable = true;  in smb2_open()
3571 			memcpy(fp->create_guid, dh_info.CreateGuid,  in smb2_open()
3574 				fp->durable_timeout =  in smb2_open()
3578 				fp->durable_timeout = 60;  in smb2_open()
3583 	rsp->StructureSize = cpu_to_le16(89);  in smb2_open()
3585 	opinfo = rcu_dereference(fp->f_opinfo);  in smb2_open()
3586 	rsp->OplockLevel = opinfo != NULL ? opinfo->level : 0;  in smb2_open()
3588 	rsp->Flags = 0;  in smb2_open()
3589 	rsp->CreateAction = cpu_to_le32(file_info);  in smb2_open()
3590 	rsp->CreationTime = cpu_to_le64(fp->create_time);  in smb2_open()
3592 	rsp->LastAccessTime = cpu_to_le64(time);  in smb2_open()
3594 	rsp->LastWriteTime = cpu_to_le64(time);  in smb2_open()
3596 	rsp->ChangeTime = cpu_to_le64(time);  in smb2_open()
3597 	rsp->AllocationSize = S_ISDIR(stat.mode) ? 0 :  in smb2_open()
3599 	rsp->EndofFile = S_ISDIR(stat.mode) ? 0 : cpu_to_le64(stat.size);  in smb2_open()
3600 	rsp->FileAttributes = fp->f_ci->m_fattr;  in smb2_open()
3602 	rsp->Reserved2 = 0;  in smb2_open()
3604 	rsp->PersistentFileId = fp->persistent_id;  in smb2_open()
3605 	rsp->VolatileFileId = fp->volatile_id;  in smb2_open()
3607 	rsp->CreateContextsOffset = 0;  in smb2_open()
3608 	rsp->CreateContextsLength = 0;  in smb2_open()
3612 	if (opinfo && opinfo->is_lease) {  in smb2_open()
3616 			    name, opinfo->o_lease->state);  in smb2_open()
3617 		rsp->OplockLevel = SMB2_OPLOCK_LEVEL_LEASE;  in smb2_open()
3619 		lease_ccontext = (struct create_context *)rsp->Buffer;  in smb2_open()
3621 		create_lease_buf(rsp->Buffer, opinfo->o_lease);  in smb2_open()
3622 		le32_add_cpu(&rsp->CreateContextsLength,  in smb2_open()
3623 			     conn->vals->create_lease_size);  in smb2_open()
3624 		iov_len += conn->vals->create_lease_size;  in smb2_open()
3625 		next_ptr = &lease_ccontext->Next;  in smb2_open()
3626 		next_off = conn->vals->create_lease_size;  in smb2_open()
3636 		mxac_ccontext = (struct create_context *)(rsp->Buffer +  in smb2_open()
3637 				le32_to_cpu(rsp->CreateContextsLength));  in smb2_open()
3639 		create_mxac_rsp_buf(rsp->Buffer +  in smb2_open()
3640 				le32_to_cpu(rsp->CreateContextsLength),  in smb2_open()
3642 		le32_add_cpu(&rsp->CreateContextsLength,  in smb2_open()
3643 			     conn->vals->create_mxac_size);  in smb2_open()
3644 		iov_len += conn->vals->create_mxac_size;  in smb2_open()
3647 		next_ptr = &mxac_ccontext->Next;  in smb2_open()
3648 		next_off = conn->vals->create_mxac_size;  in smb2_open()
3654 		disk_id_ccontext = (struct create_context *)(rsp->Buffer +  in smb2_open()
3655 				le32_to_cpu(rsp->CreateContextsLength));  in smb2_open()
3657 		create_disk_id_rsp_buf(rsp->Buffer +  in smb2_open()
3658 				le32_to_cpu(rsp->CreateContextsLength),  in smb2_open()
3659 				stat.ino, tcon->id);  in smb2_open()
3660 		le32_add_cpu(&rsp->CreateContextsLength,  in smb2_open()
3661 			     conn->vals->create_disk_id_size);  in smb2_open()
3662 		iov_len += conn->vals->create_disk_id_size;  in smb2_open()
3665 		next_ptr = &disk_id_ccontext->Next;  in smb2_open()
3666 		next_off = conn->vals->create_disk_id_size;  in smb2_open()
3672 		durable_ccontext = (struct create_context *)(rsp->Buffer +  in smb2_open()
3673 				le32_to_cpu(rsp->CreateContextsLength));  in smb2_open()
3676 			create_durable_rsp_buf(rsp->Buffer +  in smb2_open()
3677 					le32_to_cpu(rsp->CreateContextsLength));  in smb2_open()
3678 			le32_add_cpu(&rsp->CreateContextsLength,  in smb2_open()
3679 					conn->vals->create_durable_size);  in smb2_open()
3680 			iov_len += conn->vals->create_durable_size;  in smb2_open()
3682 			create_durable_v2_rsp_buf(rsp->Buffer +  in smb2_open()
3683 					le32_to_cpu(rsp->CreateContextsLength),  in smb2_open()
3685 			le32_add_cpu(&rsp->CreateContextsLength,  in smb2_open()
3686 					conn->vals->create_durable_v2_size);  in smb2_open()
3687 			iov_len += conn->vals->create_durable_v2_size;  in smb2_open()
3692 		next_ptr = &durable_ccontext->Next;  in smb2_open()
3693 		next_off = conn->vals->create_durable_size;  in smb2_open()
3698 		create_posix_rsp_buf(rsp->Buffer +  in smb2_open()
3699 				le32_to_cpu(rsp->CreateContextsLength),  in smb2_open()
3701 		le32_add_cpu(&rsp->CreateContextsLength,  in smb2_open()
3702 			     conn->vals->create_posix_size);  in smb2_open()
3703 		iov_len += conn->vals->create_posix_size;  in smb2_open()
3709 		rsp->CreateContextsOffset =  in smb2_open()
3722 		ksmbd_update_fstate(&work->sess->file_table, fp, FP_INITED);  in smb2_open()
3726 		if (rc == -EINVAL)  in smb2_open()
3727 			rsp->hdr.Status = STATUS_INVALID_PARAMETER;  in smb2_open()
3728 		else if (rc == -EOPNOTSUPP)  in smb2_open()
3729 			rsp->hdr.Status = STATUS_NOT_SUPPORTED;  in smb2_open()
3730 		else if (rc == -EACCES || rc == -ESTALE || rc == -EXDEV)  in smb2_open()
3731 			rsp->hdr.Status = STATUS_ACCESS_DENIED;  in smb2_open()
3732 		else if (rc == -ENOENT)  in smb2_open()
3733 			rsp->hdr.Status = STATUS_OBJECT_NAME_INVALID;  in smb2_open()
3734 		else if (rc == -EPERM)  in smb2_open()
3735 			rsp->hdr.Status = STATUS_SHARING_VIOLATION;  in smb2_open()
3736 		else if (rc == -EBUSY)  in smb2_open()
3737 			rsp->hdr.Status = STATUS_DELETE_PENDING;  in smb2_open()
3738 		else if (rc == -EBADF)  in smb2_open()
3739 			rsp->hdr.Status = STATUS_OBJECT_NAME_NOT_FOUND;  in smb2_open()
3740 		else if (rc == -ENOEXEC)  in smb2_open()
3741 			rsp->hdr.Status = STATUS_DUPLICATE_OBJECTID;  in smb2_open()
3742 		else if (rc == -ENXIO)  in smb2_open()
3743 			rsp->hdr.Status = STATUS_NO_SUCH_DEVICE;  in smb2_open()
3744 		else if (rc == -EEXIST)  in smb2_open()
3745 			rsp->hdr.Status = STATUS_OBJECT_NAME_COLLISION;  in smb2_open()
3746 		else if (rc == -EMFILE)  in smb2_open()
3747 			rsp->hdr.Status = STATUS_INSUFFICIENT_RESOURCES;  in smb2_open()
3748 		if (!rsp->hdr.Status)  in smb2_open()
3749 			rsp->hdr.Status = STATUS_UNEXPECTED_IO_ERROR;  in smb2_open()
3754 		ksmbd_debug(SMB, "Error response: %x\n", rsp->hdr.Status);  in smb2_open()
3781 		return -EOPNOTSUPP;  in readdir_info_level_struct_sz()
3792 		ffdinfo = (struct file_full_directory_info *)d_info->rptr;  in dentry_name()
3793 		d_info->rptr += le32_to_cpu(ffdinfo->NextEntryOffset);  in dentry_name()
3794 		d_info->name = ffdinfo->FileName;  in dentry_name()
3795 		d_info->name_len = le32_to_cpu(ffdinfo->FileNameLength);  in dentry_name()
3802 		fbdinfo = (struct file_both_directory_info *)d_info->rptr;  in dentry_name()
3803 		d_info->rptr += le32_to_cpu(fbdinfo->NextEntryOffset);  in dentry_name()
3804 		d_info->name = fbdinfo->FileName;  in dentry_name()
3805 		d_info->name_len = le32_to_cpu(fbdinfo->FileNameLength);  in dentry_name()
3812 		fdinfo = (struct file_directory_info *)d_info->rptr;  in dentry_name()
3813 		d_info->rptr += le32_to_cpu(fdinfo->NextEntryOffset);  in dentry_name()
3814 		d_info->name = fdinfo->FileName;  in dentry_name()
3815 		d_info->name_len = le32_to_cpu(fdinfo->FileNameLength);  in dentry_name()
3822 		fninfo = (struct file_names_info *)d_info->rptr;  in dentry_name()
3823 		d_info->rptr += le32_to_cpu(fninfo->NextEntryOffset);  in dentry_name()
3824 		d_info->name = fninfo->FileName;  in dentry_name()
3825 		d_info->name_len = le32_to_cpu(fninfo->FileNameLength);  in dentry_name()
3832 		dinfo = (struct file_id_full_dir_info *)d_info->rptr;  in dentry_name()
3833 		d_info->rptr += le32_to_cpu(dinfo->NextEntryOffset);  in dentry_name()
3834 		d_info->name = dinfo->FileName;  in dentry_name()
3835 		d_info->name_len = le32_to_cpu(dinfo->FileNameLength);  in dentry_name()
3842 		fibdinfo = (struct file_id_both_directory_info *)d_info->rptr;  in dentry_name()
3843 		d_info->rptr += le32_to_cpu(fibdinfo->NextEntryOffset);  in dentry_name()
3844 		d_info->name = fibdinfo->FileName;  in dentry_name()
3845 		d_info->name_len = le32_to_cpu(fibdinfo->FileNameLength);  in dentry_name()
3852 		posix_info = (struct smb2_posix_info *)d_info->rptr;  in dentry_name()
3853 		d_info->rptr += le32_to_cpu(posix_info->NextEntryOffset);  in dentry_name()
3854 		d_info->name = posix_info->name;  in dentry_name()
3855 		d_info->name_len = le32_to_cpu(posix_info->name_len);  in dentry_name()
3859 		return -EINVAL;  in dentry_name()
3864  * smb2_populate_readdir_entry() - encode directory entry in smb2 response
3887 						conn->local_nls,  in smb2_populate_readdir_entry()
3890 		return -ENOMEM;  in smb2_populate_readdir_entry()
3894 		rc = -EINVAL;  in smb2_populate_readdir_entry()
3900 	d_info->last_entry_off_align = next_entry_offset - struct_sz;  in smb2_populate_readdir_entry()
3902 	if (next_entry_offset > d_info->out_buf_len) {  in smb2_populate_readdir_entry()
3903 		d_info->out_buf_len = 0;  in smb2_populate_readdir_entry()
3904 		rc = -ENOSPC;  in smb2_populate_readdir_entry()
3908 	kstat = d_info->wptr;  in smb2_populate_readdir_entry()
3910 		kstat = ksmbd_vfs_init_kstat(&d_info->wptr, ksmbd_kstat);  in smb2_populate_readdir_entry()
3918 		ffdinfo->FileNameLength = cpu_to_le32(conv_len);  in smb2_populate_readdir_entry()
3919 		ffdinfo->EaSize =  in smb2_populate_readdir_entry()
3920 			smb2_get_reparse_tag_special_file(ksmbd_kstat->kstat->mode);  in smb2_populate_readdir_entry()
3921 		if (ffdinfo->EaSize)  in smb2_populate_readdir_entry()
3922 			ffdinfo->ExtFileAttributes = FILE_ATTRIBUTE_REPARSE_POINT_LE;  in smb2_populate_readdir_entry()
3923 		if (d_info->hide_dot_file && d_info->name[0] == '.')  in smb2_populate_readdir_entry()
3924 			ffdinfo->ExtFileAttributes |= FILE_ATTRIBUTE_HIDDEN_LE;  in smb2_populate_readdir_entry()
3925 		memcpy(ffdinfo->FileName, conv_name, conv_len);  in smb2_populate_readdir_entry()
3926 		ffdinfo->NextEntryOffset = cpu_to_le32(next_entry_offset);  in smb2_populate_readdir_entry()
3934 		fbdinfo->FileNameLength = cpu_to_le32(conv_len);  in smb2_populate_readdir_entry()
3935 		fbdinfo->EaSize =  in smb2_populate_readdir_entry()
3936 			smb2_get_reparse_tag_special_file(ksmbd_kstat->kstat->mode);  in smb2_populate_readdir_entry()
3937 		if (fbdinfo->EaSize)  in smb2_populate_readdir_entry()
3938 			fbdinfo->ExtFileAttributes = FILE_ATTRIBUTE_REPARSE_POINT_LE;  in smb2_populate_readdir_entry()
3939 		fbdinfo->ShortNameLength = 0;  in smb2_populate_readdir_entry()
3940 		fbdinfo->Reserved = 0;  in smb2_populate_readdir_entry()
3941 		if (d_info->hide_dot_file && d_info->name[0] == '.')  in smb2_populate_readdir_entry()
3942 			fbdinfo->ExtFileAttributes |= FILE_ATTRIBUTE_HIDDEN_LE;  in smb2_populate_readdir_entry()
3943 		memcpy(fbdinfo->FileName, conv_name, conv_len);  in smb2_populate_readdir_entry()
3944 		fbdinfo->NextEntryOffset = cpu_to_le32(next_entry_offset);  in smb2_populate_readdir_entry()
3952 		fdinfo->FileNameLength = cpu_to_le32(conv_len);  in smb2_populate_readdir_entry()
3953 		if (d_info->hide_dot_file && d_info->name[0] == '.')  in smb2_populate_readdir_entry()
3954 			fdinfo->ExtFileAttributes |= FILE_ATTRIBUTE_HIDDEN_LE;  in smb2_populate_readdir_entry()
3955 		memcpy(fdinfo->FileName, conv_name, conv_len);  in smb2_populate_readdir_entry()
3956 		fdinfo->NextEntryOffset = cpu_to_le32(next_entry_offset);  in smb2_populate_readdir_entry()
3964 		fninfo->FileNameLength = cpu_to_le32(conv_len);  in smb2_populate_readdir_entry()
3965 		memcpy(fninfo->FileName, conv_name, conv_len);  in smb2_populate_readdir_entry()
3966 		fninfo->NextEntryOffset = cpu_to_le32(next_entry_offset);  in smb2_populate_readdir_entry()
3974 		dinfo->FileNameLength = cpu_to_le32(conv_len);  in smb2_populate_readdir_entry()
3975 		dinfo->EaSize =  in smb2_populate_readdir_entry()
3976 			smb2_get_reparse_tag_special_file(ksmbd_kstat->kstat->mode);  in smb2_populate_readdir_entry()
3977 		if (dinfo->EaSize)  in smb2_populate_readdir_entry()
3978 			dinfo->ExtFileAttributes = FILE_ATTRIBUTE_REPARSE_POINT_LE;  in smb2_populate_readdir_entry()
3979 		dinfo->Reserved = 0;  in smb2_populate_readdir_entry()
3980 		dinfo->UniqueId = cpu_to_le64(ksmbd_kstat->kstat->ino);  in smb2_populate_readdir_entry()
3981 		if (d_info->hide_dot_file && d_info->name[0] == '.')  in smb2_populate_readdir_entry()
3982 			dinfo->ExtFileAttributes |= FILE_ATTRIBUTE_HIDDEN_LE;  in smb2_populate_readdir_entry()
3983 		memcpy(dinfo->FileName, conv_name, conv_len);  in smb2_populate_readdir_entry()
3984 		dinfo->NextEntryOffset = cpu_to_le32(next_entry_offset);  in smb2_populate_readdir_entry()
3992 		fibdinfo->FileNameLength = cpu_to_le32(conv_len);  in smb2_populate_readdir_entry()
3993 		fibdinfo->EaSize =  in smb2_populate_readdir_entry()
3994 			smb2_get_reparse_tag_special_file(ksmbd_kstat->kstat->mode);  in smb2_populate_readdir_entry()
3995 		if (fibdinfo->EaSize)  in smb2_populate_readdir_entry()
3996 			fibdinfo->ExtFileAttributes = FILE_ATTRIBUTE_REPARSE_POINT_LE;  in smb2_populate_readdir_entry()
3997 		fibdinfo->UniqueId = cpu_to_le64(ksmbd_kstat->kstat->ino);  in smb2_populate_readdir_entry()
3998 		fibdinfo->ShortNameLength = 0;  in smb2_populate_readdir_entry()
3999 		fibdinfo->Reserved = 0;  in smb2_populate_readdir_entry()
4000 		fibdinfo->Reserved2 = cpu_to_le16(0);  in smb2_populate_readdir_entry()
4001 		if (d_info->hide_dot_file && d_info->name[0] == '.')  in smb2_populate_readdir_entry()
4002 			fibdinfo->ExtFileAttributes |= FILE_ATTRIBUTE_HIDDEN_LE;  in smb2_populate_readdir_entry()
4003 		memcpy(fibdinfo->FileName, conv_name, conv_len);  in smb2_populate_readdir_entry()
4004 		fibdinfo->NextEntryOffset = cpu_to_le32(next_entry_offset);  in smb2_populate_readdir_entry()
4013 		posix_info->Ignored = 0;  in smb2_populate_readdir_entry()
4014 		posix_info->CreationTime = cpu_to_le64(ksmbd_kstat->create_time);  in smb2_populate_readdir_entry()
4015 		time = ksmbd_UnixTimeToNT(ksmbd_kstat->kstat->ctime);  in smb2_populate_readdir_entry()
4016 		posix_info->ChangeTime = cpu_to_le64(time);  in smb2_populate_readdir_entry()
4017 		time = ksmbd_UnixTimeToNT(ksmbd_kstat->kstat->atime);  in smb2_populate_readdir_entry()
4018 		posix_info->LastAccessTime = cpu_to_le64(time);  in smb2_populate_readdir_entry()
4019 		time = ksmbd_UnixTimeToNT(ksmbd_kstat->kstat->mtime);  in smb2_populate_readdir_entry()
4020 		posix_info->LastWriteTime = cpu_to_le64(time);  in smb2_populate_readdir_entry()
4021 		posix_info->EndOfFile = cpu_to_le64(ksmbd_kstat->kstat->size);  in smb2_populate_readdir_entry()
4022 		posix_info->AllocationSize = cpu_to_le64(ksmbd_kstat->kstat->blocks << 9);  in smb2_populate_readdir_entry()
4023 		posix_info->DeviceId = cpu_to_le32(ksmbd_kstat->kstat->rdev);  in smb2_populate_readdir_entry()
4024 		posix_info->HardLinks = cpu_to_le32(ksmbd_kstat->kstat->nlink);  in smb2_populate_readdir_entry()
4025 		posix_info->Mode = cpu_to_le32(ksmbd_kstat->kstat->mode & 0777);  in smb2_populate_readdir_entry()
4026 		switch (ksmbd_kstat->kstat->mode & S_IFMT) {  in smb2_populate_readdir_entry()
4028 			posix_info->Mode |= cpu_to_le32(POSIX_TYPE_DIR << POSIX_FILETYPE_SHIFT);  in smb2_populate_readdir_entry()
4031 			posix_info->Mode |= cpu_to_le32(POSIX_TYPE_SYMLINK << POSIX_FILETYPE_SHIFT);  in smb2_populate_readdir_entry()
4034 			posix_info->Mode |= cpu_to_le32(POSIX_TYPE_CHARDEV << POSIX_FILETYPE_SHIFT);  in smb2_populate_readdir_entry()
4037 			posix_info->Mode |= cpu_to_le32(POSIX_TYPE_BLKDEV << POSIX_FILETYPE_SHIFT);  in smb2_populate_readdir_entry()
4040 			posix_info->Mode |= cpu_to_le32(POSIX_TYPE_FIFO << POSIX_FILETYPE_SHIFT);  in smb2_populate_readdir_entry()
4043 			posix_info->Mode |= cpu_to_le32(POSIX_TYPE_SOCKET << POSIX_FILETYPE_SHIFT);  in smb2_populate_readdir_entry()
4046 		posix_info->Inode = cpu_to_le64(ksmbd_kstat->kstat->ino);  in smb2_populate_readdir_entry()
4047 		posix_info->DosAttributes =  in smb2_populate_readdir_entry()
4048 			S_ISDIR(ksmbd_kstat->kstat->mode) ?  in smb2_populate_readdir_entry()
4050 		if (d_info->hide_dot_file && d_info->name[0] == '.')  in smb2_populate_readdir_entry()
4051 			posix_info->DosAttributes |= FILE_ATTRIBUTE_HIDDEN_LE;  in smb2_populate_readdir_entry()
4057 		id_to_sid(from_kuid_munged(&init_user_ns, ksmbd_kstat->kstat->uid),  in smb2_populate_readdir_entry()
4058 			  SIDUNIX_USER, (struct smb_sid *)&posix_info->SidBuffer[0]);  in smb2_populate_readdir_entry()
4059 		id_to_sid(from_kgid_munged(&init_user_ns, ksmbd_kstat->kstat->gid),  in smb2_populate_readdir_entry()
4060 			  SIDUNIX_GROUP, (struct smb_sid *)&posix_info->SidBuffer[16]);  in smb2_populate_readdir_entry()
4061 		memcpy(posix_info->name, conv_name, conv_len);  in smb2_populate_readdir_entry()
4062 		posix_info->name_len = cpu_to_le32(conv_len);  in smb2_populate_readdir_entry()
4063 		posix_info->NextEntryOffset = cpu_to_le32(next_entry_offset);  in smb2_populate_readdir_entry()
4069 	d_info->last_entry_offset = d_info->data_count;  in smb2_populate_readdir_entry()
4070 	d_info->data_count += next_entry_offset;  in smb2_populate_readdir_entry()
4071 	d_info->out_buf_len -= next_entry_offset;  in smb2_populate_readdir_entry()
4072 	d_info->wptr += next_entry_offset;  in smb2_populate_readdir_entry()
4076 		    info_level, d_info->out_buf_len,  in smb2_populate_readdir_entry()
4077 		    next_entry_offset, d_info->data_count);  in smb2_populate_readdir_entry()
4095 	struct dentry *dir = dir_fp->filp->f_path.dentry;  in lock_dir()
4102 	struct dentry *dir = dir_fp->filp->f_path.dentry;  in unlock_dir()
4109 	struct mnt_idmap	*idmap = file_mnt_idmap(priv->dir_fp->filp);  in process_query_dir_entries()
4115 	for (i = 0; i < priv->d_info->num_entry; i++) {  in process_query_dir_entries()
4118 		if (dentry_name(priv->d_info, priv->info_level))  in process_query_dir_entries()
4119 			return -EINVAL;  in process_query_dir_entries()
4121 		lock_dir(priv->dir_fp);  in process_query_dir_entries()
4122 		dent = lookup_one(idmap, priv->d_info->name,  in process_query_dir_entries()
4123 				  priv->dir_fp->filp->f_path.dentry,  in process_query_dir_entries()
4124 				  priv->d_info->name_len);  in process_query_dir_entries()
4125 		unlock_dir(priv->dir_fp);  in process_query_dir_entries()
4129 				    priv->d_info->name,  in process_query_dir_entries()
4136 				    priv->d_info->name);  in process_query_dir_entries()
4141 		if (priv->info_level != FILE_NAMES_INFORMATION) {  in process_query_dir_entries()
4142 			rc = ksmbd_vfs_fill_dentry_attrs(priv->work,  in process_query_dir_entries()
4152 		rc = smb2_populate_readdir_entry(priv->work->conn,  in process_query_dir_entries()
4153 						 priv->info_level,  in process_query_dir_entries()
4154 						 priv->d_info,  in process_query_dir_entries()
4171 	if (struct_sz == -EOPNOTSUPP)  in reserve_populate_dentry()
4172 		return -EOPNOTSUPP;  in reserve_populate_dentry()
4174 	conv_len = (d_info->name_len + 1) * 2;  in reserve_populate_dentry()
4178 	if (next_entry_offset > d_info->out_buf_len) {  in reserve_populate_dentry()
4179 		d_info->out_buf_len = 0;  in reserve_populate_dentry()
4180 		return -ENOSPC;  in reserve_populate_dentry()
4188 		ffdinfo = (struct file_full_directory_info *)d_info->wptr;  in reserve_populate_dentry()
4189 		memcpy(ffdinfo->FileName, d_info->name, d_info->name_len);  in reserve_populate_dentry()
4190 		ffdinfo->FileName[d_info->name_len] = 0x00;  in reserve_populate_dentry()
4191 		ffdinfo->FileNameLength = cpu_to_le32(d_info->name_len);  in reserve_populate_dentry()
4192 		ffdinfo->NextEntryOffset = cpu_to_le32(next_entry_offset);  in reserve_populate_dentry()
4199 		fbdinfo = (struct file_both_directory_info *)d_info->wptr;  in reserve_populate_dentry()
4200 		memcpy(fbdinfo->FileName, d_info->name, d_info->name_len);  in reserve_populate_dentry()
4201 		fbdinfo->FileName[d_info->name_len] = 0x00;  in reserve_populate_dentry()
4202 		fbdinfo->FileNameLength = cpu_to_le32(d_info->name_len);  in reserve_populate_dentry()
4203 		fbdinfo->NextEntryOffset = cpu_to_le32(next_entry_offset);  in reserve_populate_dentry()
4210 		fdinfo = (struct file_directory_info *)d_info->wptr;  in reserve_populate_dentry()
4211 		memcpy(fdinfo->FileName, d_info->name, d_info->name_len);  in reserve_populate_dentry()
4212 		fdinfo->FileName[d_info->name_len] = 0x00;  in reserve_populate_dentry()
4213 		fdinfo->FileNameLength = cpu_to_le32(d_info->name_len);  in reserve_populate_dentry()
4214 		fdinfo->NextEntryOffset = cpu_to_le32(next_entry_offset);  in reserve_populate_dentry()
4221 		fninfo = (struct file_names_info *)d_info->wptr;  in reserve_populate_dentry()
4222 		memcpy(fninfo->FileName, d_info->name, d_info->name_len);  in reserve_populate_dentry()
4223 		fninfo->FileName[d_info->name_len] = 0x00;  in reserve_populate_dentry()
4224 		fninfo->FileNameLength = cpu_to_le32(d_info->name_len);  in reserve_populate_dentry()
4225 		fninfo->NextEntryOffset = cpu_to_le32(next_entry_offset);  in reserve_populate_dentry()
4232 		dinfo = (struct file_id_full_dir_info *)d_info->wptr;  in reserve_populate_dentry()
4233 		memcpy(dinfo->FileName, d_info->name, d_info->name_len);  in reserve_populate_dentry()
4234 		dinfo->FileName[d_info->name_len] = 0x00;  in reserve_populate_dentry()
4235 		dinfo->FileNameLength = cpu_to_le32(d_info->name_len);  in reserve_populate_dentry()
4236 		dinfo->NextEntryOffset = cpu_to_le32(next_entry_offset);  in reserve_populate_dentry()
4243 		fibdinfo = (struct file_id_both_directory_info *)d_info->wptr;  in reserve_populate_dentry()
4244 		memcpy(fibdinfo->FileName, d_info->name, d_info->name_len);  in reserve_populate_dentry()
4245 		fibdinfo->FileName[d_info->name_len] = 0x00;  in reserve_populate_dentry()
4246 		fibdinfo->FileNameLength = cpu_to_le32(d_info->name_len);  in reserve_populate_dentry()
4247 		fibdinfo->NextEntryOffset = cpu_to_le32(next_entry_offset);  in reserve_populate_dentry()
4254 		posix_info = (struct smb2_posix_info *)d_info->wptr;  in reserve_populate_dentry()
4255 		memcpy(posix_info->name, d_info->name, d_info->name_len);  in reserve_populate_dentry()
4256 		posix_info->name[d_info->name_len] = 0x00;  in reserve_populate_dentry()
4257 		posix_info->name_len = cpu_to_le32(d_info->name_len);  in reserve_populate_dentry()
4258 		posix_info->NextEntryOffset =  in reserve_populate_dentry()
4264 	d_info->num_entry++;  in reserve_populate_dentry()
4265 	d_info->out_buf_len -= next_entry_offset;  in reserve_populate_dentry()
4266 	d_info->wptr += next_entry_offset;  in reserve_populate_dentry()
4279 	priv	= buf->private;  in __query_dir()
4280 	d_info	= priv->d_info;  in __query_dir()
4285 	d_info->num_scan++;  in __query_dir()
4286 	if (ksmbd_share_veto_filename(priv->work->tcon->share_conf, name))  in __query_dir()
4288 	if (!match_pattern(name, namlen, priv->search_pattern))  in __query_dir()
4291 	d_info->name		= name;  in __query_dir()
4292 	d_info->name_len	= namlen;  in __query_dir()
4293 	rc = reserve_populate_dentry(d_info, priv->info_level);  in __query_dir()
4296 	if (d_info->flags & SMB2_RETURN_SINGLE_ENTRY)  in __query_dir()
4297 		d_info->out_buf_len = 0;  in __query_dir()
4313 		return -EOPNOTSUPP;  in verify_info_level()
4323 	free_len = (int)(work->response_sz -  in smb2_resp_buf_len()
4324 		(get_rfc1002_len(work->response_buf) + 4)) - hdr2_len;  in smb2_resp_buf_len()
4334 	if (out_buf_len > work->conn->vals->max_trans_size)  in smb2_calc_max_out_buf_len()
4335 		return -EINVAL;  in smb2_calc_max_out_buf_len()
4339 		return -EINVAL;  in smb2_calc_max_out_buf_len()
4346 	struct ksmbd_conn *conn = work->conn;  in smb2_query_dir()
4349 	struct ksmbd_share_config *share = work->tcon->share_conf;  in smb2_query_dir()
4363 		rsp->hdr.Status = STATUS_NO_MEMORY;  in smb2_query_dir()
4365 		return -ENOMEM;  in smb2_query_dir()
4368 	rc = verify_info_level(req->FileInformationClass);  in smb2_query_dir()
4370 		rc = -EFAULT;  in smb2_query_dir()
4374 	dir_fp = ksmbd_lookup_fd_slow(work, req->VolatileFileId, req->PersistentFileId);  in smb2_query_dir()
4376 		rc = -EBADF;  in smb2_query_dir()
4380 	if (!(dir_fp->daccess & FILE_LIST_DIRECTORY_LE) ||  in smb2_query_dir()
4381 	    inode_permission(file_mnt_idmap(dir_fp->filp),  in smb2_query_dir()
4382 			     file_inode(dir_fp->filp),  in smb2_query_dir()
4384 		pr_err("no right to enumerate directory (%pD)\n", dir_fp->filp);  in smb2_query_dir()
4385 		rc = -EACCES;  in smb2_query_dir()
4389 	if (!S_ISDIR(file_inode(dir_fp->filp)->i_mode)) {  in smb2_query_dir()
4391 		rc = -EINVAL;  in smb2_query_dir()
4395 	srch_flag = req->Flags;  in smb2_query_dir()
4396 	srch_ptr = smb_strndup_from_utf16((char *)req + le16_to_cpu(req->FileNameOffset),  in smb2_query_dir()
4397 					  le16_to_cpu(req->FileNameLength), 1,  in smb2_query_dir()
4398 					  conn->local_nls);  in smb2_query_dir()
4401 		rc = -EINVAL;  in smb2_query_dir()
4409 		generic_file_llseek(dir_fp->filp, 0, SEEK_SET);  in smb2_query_dir()
4413 	d_info.wptr = (char *)rsp->Buffer;  in smb2_query_dir()
4414 	d_info.rptr = (char *)rsp->Buffer;  in smb2_query_dir()
4417 					  le32_to_cpu(req->OutputBufferLength));  in smb2_query_dir()
4419 		rc = -EINVAL;  in smb2_query_dir()
4428 	rc = ksmbd_populate_dot_dotdot_entries(work, req->FileInformationClass,  in smb2_query_dir()
4431 	if (rc == -ENOSPC)  in smb2_query_dir()
4445 	query_dir_private.info_level		= req->FileInformationClass;  in smb2_query_dir()
4446 	dir_fp->readdir_data.private		= &query_dir_private;  in smb2_query_dir()
4447 	set_ctx_actor(&dir_fp->readdir_data.ctx, __query_dir);  in smb2_query_dir()
4450 	rc = iterate_dir(dir_fp->filp, &dir_fp->readdir_data.ctx);  in smb2_query_dir()
4460 	 * req->OutputBufferLength is too small to contain even one entry.  in smb2_query_dir()
4465 	if (rc > 0 || rc == -ENOSPC)  in smb2_query_dir()
4478 			rsp->hdr.Status = STATUS_NO_SUCH_FILE;  in smb2_query_dir()
4480 			dir_fp->dot_dotdot[0] = dir_fp->dot_dotdot[1] = 0;  in smb2_query_dir()
4481 			rsp->hdr.Status = STATUS_NO_MORE_FILES;  in smb2_query_dir()
4483 		rsp->StructureSize = cpu_to_le16(9);  in smb2_query_dir()
4484 		rsp->OutputBufferOffset = cpu_to_le16(0);  in smb2_query_dir()
4485 		rsp->OutputBufferLength = cpu_to_le32(0);  in smb2_query_dir()
4486 		rsp->Buffer[0] = 0;  in smb2_query_dir()
4495 		((char *)rsp->Buffer + d_info.last_entry_offset))  in smb2_query_dir()
4496 		->NextEntryOffset = 0;  in smb2_query_dir()
4498 			d_info.data_count -= d_info.last_entry_off_align;  in smb2_query_dir()
4500 		rsp->StructureSize = cpu_to_le16(9);  in smb2_query_dir()
4501 		rsp->OutputBufferOffset = cpu_to_le16(72);  in smb2_query_dir()
4502 		rsp->OutputBufferLength = cpu_to_le32(d_info.data_count);  in smb2_query_dir()
4520 	if (rc == -EINVAL)  in smb2_query_dir()
4521 		rsp->hdr.Status = STATUS_INVALID_PARAMETER;  in smb2_query_dir()
4522 	else if (rc == -EACCES)  in smb2_query_dir()
4523 		rsp->hdr.Status = STATUS_ACCESS_DENIED;  in smb2_query_dir()
4524 	else if (rc == -ENOENT)  in smb2_query_dir()
4525 		rsp->hdr.Status = STATUS_NO_SUCH_FILE;  in smb2_query_dir()
4526 	else if (rc == -EBADF)  in smb2_query_dir()
4527 		rsp->hdr.Status = STATUS_FILE_CLOSED;  in smb2_query_dir()
4528 	else if (rc == -ENOMEM)  in smb2_query_dir()
4529 		rsp->hdr.Status = STATUS_NO_MEMORY;  in smb2_query_dir()
4530 	else if (rc == -EFAULT)  in smb2_query_dir()
4531 		rsp->hdr.Status = STATUS_INVALID_INFO_CLASS;  in smb2_query_dir()
4532 	else if (rc == -EIO)  in smb2_query_dir()
4533 		rsp->hdr.Status = STATUS_FILE_CORRUPT_ERROR;  in smb2_query_dir()
4534 	if (!rsp->hdr.Status)  in smb2_query_dir()
4535 		rsp->hdr.Status = STATUS_UNEXPECTED_IO_ERROR;  in smb2_query_dir()
4544  * buffer_check_err() - helper function to check buffer errors
4555 	if (reqOutputBufferLength < le32_to_cpu(rsp->OutputBufferLength)) {  in buffer_check_err()
4557 		rsp->hdr.Status = STATUS_INFO_LENGTH_MISMATCH;  in buffer_check_err()
4559 		return -EINVAL;  in buffer_check_err()
4569 	sinfo = (struct smb2_file_standard_info *)rsp->Buffer;  in get_standard_info_pipe()
4571 	sinfo->AllocationSize = cpu_to_le64(4096);  in get_standard_info_pipe()
4572 	sinfo->EndOfFile = cpu_to_le64(0);  in get_standard_info_pipe()
4573 	sinfo->NumberOfLinks = cpu_to_le32(1);  in get_standard_info_pipe()
4574 	sinfo->DeletePending = 1;  in get_standard_info_pipe()
4575 	sinfo->Directory = 0;  in get_standard_info_pipe()
4576 	rsp->OutputBufferLength =  in get_standard_info_pipe()
4585 	file_info = (struct smb2_file_internal_info *)rsp->Buffer;  in get_internal_info_pipe()
4588 	file_info->IndexNumber = cpu_to_le64(num | (1ULL << 63));  in get_internal_info_pipe()
4589 	rsp->OutputBufferLength =  in get_internal_info_pipe()
4605 	id = req->VolatileFileId;  in smb2_get_info_file_pipe()
4607 		return -ENOENT;  in smb2_get_info_file_pipe()
4610 		    req->FileInfoClass, req->VolatileFileId);  in smb2_get_info_file_pipe()
4612 	switch (req->FileInfoClass) {  in smb2_get_info_file_pipe()
4615 		rc = buffer_check_err(le32_to_cpu(req->OutputBufferLength),  in smb2_get_info_file_pipe()
4620 		rc = buffer_check_err(le32_to_cpu(req->OutputBufferLength),  in smb2_get_info_file_pipe()
4625 			    req->FileInfoClass);  in smb2_get_info_file_pipe()
4626 		rc = -EOPNOTSUPP;  in smb2_get_info_file_pipe()
4632  * smb2_get_ea() - handler for smb2 get extended attribute command
4651 	struct mnt_idmap *idmap = file_mnt_idmap(fp->filp);  in smb2_get_ea()
4653 	if (!(fp->daccess & FILE_READ_EA_LE)) {  in smb2_get_ea()
4655 		       fp->daccess);  in smb2_get_ea()
4656 		return -EACCES;  in smb2_get_ea()
4659 	path = &fp->filp->f_path;  in smb2_get_ea()
4661 	if (req->InputBufferLength) {  in smb2_get_ea()
4662 		if (le32_to_cpu(req->InputBufferLength) <=  in smb2_get_ea()
4664 			return -EINVAL;  in smb2_get_ea()
4667 						     le16_to_cpu(req->InputBufferOffset));  in smb2_get_ea()
4670 		if (le32_to_cpu(req->Flags) & SL_RETURN_SINGLE_ENTRY)  in smb2_get_ea()
4673 				    le32_to_cpu(req->Flags));  in smb2_get_ea()
4678 					  le32_to_cpu(req->OutputBufferLength));  in smb2_get_ea()
4680 		return -EINVAL;  in smb2_get_ea()
4682 	rc = ksmbd_vfs_listxattr(path->dentry, &xattr_list);  in smb2_get_ea()
4684 		rsp->hdr.Status = STATUS_INVALID_HANDLE;  in smb2_get_ea()
4692 	ptr = (char *)rsp->Buffer;  in smb2_get_ea()
4716 		if (req->InputBufferLength &&  in smb2_get_ea()
4717 		    strncmp(&name[XATTR_USER_PREFIX_LEN], ea_req->name,  in smb2_get_ea()
4718 			    ea_req->EaNameLength))  in smb2_get_ea()
4726 			name_len -= XATTR_USER_PREFIX_LEN;  in smb2_get_ea()
4728 		ptr = eainfo->name + name_len + 1;  in smb2_get_ea()
4729 		buf_free_len -= (offsetof(struct smb2_ea_info, name) +  in smb2_get_ea()
4732 		value_len = ksmbd_vfs_getxattr(idmap, path->dentry,  in smb2_get_ea()
4735 			rc = -ENOENT;  in smb2_get_ea()
4736 			rsp->hdr.Status = STATUS_INVALID_HANDLE;  in smb2_get_ea()
4740 		buf_free_len -= value_len;  in smb2_get_ea()
4750 		eainfo->Flags = 0;  in smb2_get_ea()
4751 		eainfo->EaNameLength = name_len;  in smb2_get_ea()
4754 			memcpy(eainfo->name, &name[XATTR_USER_PREFIX_LEN],  in smb2_get_ea()
4757 			memcpy(eainfo->name, name, name_len);  in smb2_get_ea()
4759 		eainfo->name[name_len] = '\0';  in smb2_get_ea()
4760 		eainfo->EaValueLength = cpu_to_le16(value_len);  in smb2_get_ea()
4765 		alignment_bytes = ((next_offset + 3) & ~3) - next_offset;  in smb2_get_ea()
4770 			buf_free_len -= alignment_bytes;  in smb2_get_ea()
4772 		eainfo->NextEntryOffset = cpu_to_le32(next_offset);  in smb2_get_ea()
4777 		if (req->InputBufferLength) {  in smb2_get_ea()
4784 	prev_eainfo->NextEntryOffset = 0;  in smb2_get_ea()
4788 		rsp->hdr.Status = STATUS_NO_EAS_ON_FILE;  in smb2_get_ea()
4789 	rsp->OutputBufferLength = cpu_to_le32(rsp_data_cnt);  in smb2_get_ea()
4800 	file_info = (struct smb2_file_access_info *)rsp->Buffer;  in get_file_access_info()
4801 	file_info->AccessFlags = fp->daccess;  in get_file_access_info()
4802 	rsp->OutputBufferLength =  in get_file_access_info()
4814 	if (!(fp->daccess & FILE_READ_ATTRIBUTES_LE)) {  in get_file_basic_info()
4816 		       fp->daccess);  in get_file_basic_info()
4817 		return -EACCES;  in get_file_basic_info()
4820 	ret = vfs_getattr(&fp->filp->f_path, &stat, STATX_BASIC_STATS,  in get_file_basic_info()
4825 	basic_info = (struct smb2_file_basic_info *)rsp->Buffer;  in get_file_basic_info()
4826 	basic_info->CreationTime = cpu_to_le64(fp->create_time);  in get_file_basic_info()
4828 	basic_info->LastAccessTime = cpu_to_le64(time);  in get_file_basic_info()
4830 	basic_info->LastWriteTime = cpu_to_le64(time);  in get_file_basic_info()
4832 	basic_info->ChangeTime = cpu_to_le64(time);  in get_file_basic_info()
4833 	basic_info->Attributes = fp->f_ci->m_fattr;  in get_file_basic_info()
4834 	basic_info->Pad1 = 0;  in get_file_basic_info()
4835 	rsp->OutputBufferLength =  in get_file_basic_info()
4848 	ret = vfs_getattr(&fp->filp->f_path, &stat, STATX_BASIC_STATS,  in get_file_standard_info()
4853 	sinfo = (struct smb2_file_standard_info *)rsp->Buffer;  in get_file_standard_info()
4856 	sinfo->AllocationSize = cpu_to_le64(stat.blocks << 9);  in get_file_standard_info()
4857 	sinfo->EndOfFile = S_ISDIR(stat.mode) ? 0 : cpu_to_le64(stat.size);  in get_file_standard_info()
4858 	sinfo->NumberOfLinks = cpu_to_le32(get_nlink(&stat) - delete_pending);  in get_file_standard_info()
4859 	sinfo->DeletePending = delete_pending;  in get_file_standard_info()
4860 	sinfo->Directory = S_ISDIR(stat.mode) ? 1 : 0;  in get_file_standard_info()
4861 	rsp->OutputBufferLength =  in get_file_standard_info()
4872 	file_info = (struct smb2_file_alignment_info *)rsp->Buffer;  in get_file_alignment_info()
4873 	file_info->AlignmentRequirement = 0;  in get_file_alignment_info()
4874 	rsp->OutputBufferLength =  in get_file_alignment_info()
4883 	struct ksmbd_conn *conn = work->conn;  in get_file_all_info()
4892 	if (!(fp->daccess & FILE_READ_ATTRIBUTES_LE)) {  in get_file_all_info()
4894 			    fp->daccess);  in get_file_all_info()
4895 		return -EACCES;  in get_file_all_info()
4898 	filename = convert_to_nt_pathname(work->tcon->share_conf, &fp->filp->f_path);  in get_file_all_info()
4902 	ret = vfs_getattr(&fp->filp->f_path, &stat, STATX_BASIC_STATS,  in get_file_all_info()
4909 	file_info = (struct smb2_file_all_info *)rsp->Buffer;  in get_file_all_info()
4911 	file_info->CreationTime = cpu_to_le64(fp->create_time);  in get_file_all_info()
4913 	file_info->LastAccessTime = cpu_to_le64(time);  in get_file_all_info()
4915 	file_info->LastWriteTime = cpu_to_le64(time);  in get_file_all_info()
4917 	file_info->ChangeTime = cpu_to_le64(time);  in get_file_all_info()
4918 	file_info->Attributes = fp->f_ci->m_fattr;  in get_file_all_info()
4919 	file_info->Pad1 = 0;  in get_file_all_info()
4920 	file_info->AllocationSize =  in get_file_all_info()
4922 	file_info->EndOfFile = S_ISDIR(stat.mode) ? 0 : cpu_to_le64(stat.size);  in get_file_all_info()
4923 	file_info->NumberOfLinks =  in get_file_all_info()
4924 			cpu_to_le32(get_nlink(&stat) - delete_pending);  in get_file_all_info()
4925 	file_info->DeletePending = delete_pending;  in get_file_all_info()
4926 	file_info->Directory = S_ISDIR(stat.mode) ? 1 : 0;  in get_file_all_info()
4927 	file_info->Pad2 = 0;  in get_file_all_info()
4928 	file_info->IndexNumber = cpu_to_le64(stat.ino);  in get_file_all_info()
4929 	file_info->EASize = 0;  in get_file_all_info()
4930 	file_info->AccessFlags = fp->daccess;  in get_file_all_info()
4931 	file_info->CurrentByteOffset = cpu_to_le64(fp->filp->f_pos);  in get_file_all_info()
4932 	file_info->Mode = fp->coption;  in get_file_all_info()
4933 	file_info->AlignmentRequirement = 0;  in get_file_all_info()
4934 	conv_len = smbConvertToUTF16((__le16 *)file_info->FileName, filename,  in get_file_all_info()
4935 				     PATH_MAX, conn->local_nls, 0);  in get_file_all_info()
4937 	file_info->FileNameLength = cpu_to_le32(conv_len);  in get_file_all_info()
4938 	rsp->OutputBufferLength =  in get_file_all_info()
4939 		cpu_to_le32(sizeof(struct smb2_file_all_info) + conv_len - 1);  in get_file_all_info()
4949 	struct ksmbd_conn *conn = work->conn;  in get_file_alternate_info()
4951 	struct dentry *dentry = fp->filp->f_path.dentry;  in get_file_alternate_info()
4954 	spin_lock(&dentry->d_lock);  in get_file_alternate_info()
4955 	file_info = (struct smb2_file_alt_name_info *)rsp->Buffer;  in get_file_alternate_info()
4957 					   dentry->d_name.name,  in get_file_alternate_info()
4958 					   file_info->FileName);  in get_file_alternate_info()
4959 	spin_unlock(&dentry->d_lock);  in get_file_alternate_info()
4960 	file_info->FileNameLength = cpu_to_le32(conv_len);  in get_file_alternate_info()
4961 	rsp->OutputBufferLength =  in get_file_alternate_info()
4970 	struct ksmbd_conn *conn = work->conn;  in get_file_stream_info()
4974 	const struct path *path = &fp->filp->f_path;  in get_file_stream_info()
4981 	ret = vfs_getattr(&fp->filp->f_path, &stat, STATX_BASIC_STATS,  in get_file_stream_info()
4986 	file_info = (struct smb2_file_stream_info *)rsp->Buffer;  in get_file_stream_info()
4990 					  le32_to_cpu(req->OutputBufferLength));  in get_file_stream_info()
4994 	xattr_list_len = ksmbd_vfs_listxattr(path->dentry, &xattr_list);  in get_file_stream_info()
5013 		stream_name_len = streamlen - (XATTR_USER_PREFIX_LEN +  in get_file_stream_info()
5032 		file_info = (struct smb2_file_stream_info *)&rsp->Buffer[nbytes];  in get_file_stream_info()
5033 		streamlen  = smbConvertToUTF16((__le16 *)file_info->StreamName,  in get_file_stream_info()
5035 					       conn->local_nls, 0);  in get_file_stream_info()
5038 		file_info->StreamNameLength = cpu_to_le32(streamlen);  in get_file_stream_info()
5039 		file_info->StreamSize = cpu_to_le64(stream_name_len);  in get_file_stream_info()
5040 		file_info->StreamAllocationSize = cpu_to_le64(stream_name_len);  in get_file_stream_info()
5043 		buf_free_len -= next;  in get_file_stream_info()
5044 		file_info->NextEntryOffset = cpu_to_le32(next);  in get_file_stream_info()
5051 			&rsp->Buffer[nbytes];  in get_file_stream_info()
5052 		streamlen = smbConvertToUTF16((__le16 *)file_info->StreamName,  in get_file_stream_info()
5053 					      "::$DATA", 7, conn->local_nls, 0);  in get_file_stream_info()
5055 		file_info->StreamNameLength = cpu_to_le32(streamlen);  in get_file_stream_info()
5056 		file_info->StreamSize = cpu_to_le64(stat.size);  in get_file_stream_info()
5057 		file_info->StreamAllocationSize = cpu_to_le64(stat.blocks << 9);  in get_file_stream_info()
5062 	file_info->NextEntryOffset = 0;  in get_file_stream_info()
5065 	rsp->OutputBufferLength = cpu_to_le32(nbytes);  in get_file_stream_info()
5077 	ret = vfs_getattr(&fp->filp->f_path, &stat, STATX_BASIC_STATS,  in get_file_internal_info()
5082 	file_info = (struct smb2_file_internal_info *)rsp->Buffer;  in get_file_internal_info()
5083 	file_info->IndexNumber = cpu_to_le64(stat.ino);  in get_file_internal_info()
5084 	rsp->OutputBufferLength =  in get_file_internal_info()
5098 	if (!(fp->daccess & FILE_READ_ATTRIBUTES_LE)) {  in get_file_network_open_info()
5100 		       fp->daccess);  in get_file_network_open_info()
5101 		return -EACCES;  in get_file_network_open_info()
5104 	ret = vfs_getattr(&fp->filp->f_path, &stat, STATX_BASIC_STATS,  in get_file_network_open_info()
5109 	file_info = (struct smb2_file_ntwrk_info *)rsp->Buffer;  in get_file_network_open_info()
5111 	file_info->CreationTime = cpu_to_le64(fp->create_time);  in get_file_network_open_info()
5113 	file_info->LastAccessTime = cpu_to_le64(time);  in get_file_network_open_info()
5115 	file_info->LastWriteTime = cpu_to_le64(time);  in get_file_network_open_info()
5117 	file_info->ChangeTime = cpu_to_le64(time);  in get_file_network_open_info()
5118 	file_info->Attributes = fp->f_ci->m_fattr;  in get_file_network_open_info()
5119 	file_info->AllocationSize = cpu_to_le64(stat.blocks << 9);  in get_file_network_open_info()
5120 	file_info->EndOfFile = S_ISDIR(stat.mode) ? 0 : cpu_to_le64(stat.size);  in get_file_network_open_info()
5121 	file_info->Reserved = cpu_to_le32(0);  in get_file_network_open_info()
5122 	rsp->OutputBufferLength =  in get_file_network_open_info()
5131 	file_info = (struct smb2_file_ea_info *)rsp->Buffer;  in get_file_ea_info()
5132 	file_info->EASize = 0;  in get_file_ea_info()
5133 	rsp->OutputBufferLength =  in get_file_ea_info()
5142 	file_info = (struct smb2_file_pos_info *)rsp->Buffer;  in get_file_position_info()
5143 	file_info->CurrentByteOffset = cpu_to_le64(fp->filp->f_pos);  in get_file_position_info()
5144 	rsp->OutputBufferLength =  in get_file_position_info()
5153 	file_info = (struct smb2_file_mode_info *)rsp->Buffer;  in get_file_mode_info()
5154 	file_info->Mode = fp->coption & FILE_MODE_INFO_MASK;  in get_file_mode_info()
5155 	rsp->OutputBufferLength =  in get_file_mode_info()
5166 	ret = vfs_getattr(&fp->filp->f_path, &stat, STATX_BASIC_STATS,  in get_file_compression_info()
5171 	file_info = (struct smb2_file_comp_info *)rsp->Buffer;  in get_file_compression_info()
5172 	file_info->CompressedFileSize = cpu_to_le64(stat.blocks << 9);  in get_file_compression_info()
5173 	file_info->CompressionFormat = COMPRESSION_FORMAT_NONE;  in get_file_compression_info()
5174 	file_info->CompressionUnitShift = 0;  in get_file_compression_info()
5175 	file_info->ChunkShift = 0;  in get_file_compression_info()
5176 	file_info->ClusterShift = 0;  in get_file_compression_info()
5177 	memset(&file_info->Reserved[0], 0, 3);  in get_file_compression_info()
5179 	rsp->OutputBufferLength =  in get_file_compression_info()
5190 	if (!(fp->daccess & FILE_READ_ATTRIBUTES_LE)) {  in get_file_attribute_tag_info()
5192 		       fp->daccess);  in get_file_attribute_tag_info()
5193 		return -EACCES;  in get_file_attribute_tag_info()
5196 	file_info = (struct smb2_file_attr_tag_info *)rsp->Buffer;  in get_file_attribute_tag_info()
5197 	file_info->FileAttributes = fp->f_ci->m_fattr;  in get_file_attribute_tag_info()
5198 	file_info->ReparseTag = 0;  in get_file_attribute_tag_info()
5199 	rsp->OutputBufferLength =  in get_file_attribute_tag_info()
5208 	struct inode *inode = file_inode(fp->filp);  in find_file_posix_info()
5209 	struct mnt_idmap *idmap = file_mnt_idmap(fp->filp);  in find_file_posix_info()
5217 	ret = vfs_getattr(&fp->filp->f_path, &stat, STATX_BASIC_STATS,  in find_file_posix_info()
5222 	file_info = (struct smb311_posix_qinfo *)rsp->Buffer;  in find_file_posix_info()
5223 	file_info->CreationTime = cpu_to_le64(fp->create_time);  in find_file_posix_info()
5225 	file_info->LastAccessTime = cpu_to_le64(time);  in find_file_posix_info()
5227 	file_info->LastWriteTime = cpu_to_le64(time);  in find_file_posix_info()
5229 	file_info->ChangeTime = cpu_to_le64(time);  in find_file_posix_info()
5230 	file_info->DosAttributes = fp->f_ci->m_fattr;  in find_file_posix_info()
5231 	file_info->Inode = cpu_to_le64(stat.ino);  in find_file_posix_info()
5232 	file_info->EndOfFile = cpu_to_le64(stat.size);  in find_file_posix_info()
5233 	file_info->AllocationSize = cpu_to_le64(stat.blocks << 9);  in find_file_posix_info()
5234 	file_info->HardLinks = cpu_to_le32(stat.nlink);  in find_file_posix_info()
5235 	file_info->Mode = cpu_to_le32(stat.mode & 0777);  in find_file_posix_info()
5238 		file_info->Mode |= cpu_to_le32(POSIX_TYPE_DIR << POSIX_FILETYPE_SHIFT);  in find_file_posix_info()
5241 		file_info->Mode |= cpu_to_le32(POSIX_TYPE_SYMLINK << POSIX_FILETYPE_SHIFT);  in find_file_posix_info()
5244 		file_info->Mode |= cpu_to_le32(POSIX_TYPE_CHARDEV << POSIX_FILETYPE_SHIFT);  in find_file_posix_info()
5247 		file_info->Mode |= cpu_to_le32(POSIX_TYPE_BLKDEV << POSIX_FILETYPE_SHIFT);  in find_file_posix_info()
5250 		file_info->Mode |= cpu_to_le32(POSIX_TYPE_FIFO << POSIX_FILETYPE_SHIFT);  in find_file_posix_info()
5253 		file_info->Mode |= cpu_to_le32(POSIX_TYPE_SOCKET << POSIX_FILETYPE_SHIFT);  in find_file_posix_info()
5256 	file_info->DeviceId = cpu_to_le32(stat.rdev);  in find_file_posix_info()
5264 		  SIDUNIX_USER, (struct smb_sid *)&file_info->Sids[0]);  in find_file_posix_info()
5266 		  SIDUNIX_GROUP, (struct smb_sid *)&file_info->Sids[16]);  in find_file_posix_info()
5268 	rsp->OutputBufferLength = cpu_to_le32(out_buf_len);  in find_file_posix_info()
5282 	if (test_share_config_flag(work->tcon->share_conf,  in smb2_get_info_file()
5285 		return smb2_get_info_file_pipe(work->sess, req, rsp,  in smb2_get_info_file()
5286 					       work->response_buf);  in smb2_get_info_file()
5289 	if (work->next_smb2_rcv_hdr_off) {  in smb2_get_info_file()
5290 		if (!has_file_id(req->VolatileFileId)) {  in smb2_get_info_file()
5292 				    work->compound_fid);  in smb2_get_info_file()
5293 			id = work->compound_fid;  in smb2_get_info_file()
5294 			pid = work->compound_pfid;  in smb2_get_info_file()
5299 		id = req->VolatileFileId;  in smb2_get_info_file()
5300 		pid = req->PersistentFileId;  in smb2_get_info_file()
5305 		return -ENOENT;  in smb2_get_info_file()
5307 	fileinfoclass = req->FileInfoClass;  in smb2_get_info_file()
5311 		get_file_access_info(rsp, fp, work->response_buf);  in smb2_get_info_file()
5315 		rc = get_file_basic_info(rsp, fp, work->response_buf);  in smb2_get_info_file()
5319 		rc = get_file_standard_info(rsp, fp, work->response_buf);  in smb2_get_info_file()
5323 		get_file_alignment_info(rsp, work->response_buf);  in smb2_get_info_file()
5327 		rc = get_file_all_info(work, rsp, fp, work->response_buf);  in smb2_get_info_file()
5331 		get_file_alternate_info(work, rsp, fp, work->response_buf);  in smb2_get_info_file()
5335 		rc = get_file_stream_info(work, rsp, fp, work->response_buf);  in smb2_get_info_file()
5339 		rc = get_file_internal_info(rsp, fp, work->response_buf);  in smb2_get_info_file()
5343 		rc = get_file_network_open_info(rsp, fp, work->response_buf);  in smb2_get_info_file()
5347 		get_file_ea_info(rsp, work->response_buf);  in smb2_get_info_file()
5351 		rc = smb2_get_ea(work, fp, req, rsp, work->response_buf);  in smb2_get_info_file()
5355 		get_file_position_info(rsp, fp, work->response_buf);  in smb2_get_info_file()
5359 		get_file_mode_info(rsp, fp, work->response_buf);  in smb2_get_info_file()
5363 		rc = get_file_compression_info(rsp, fp, work->response_buf);  in smb2_get_info_file()
5367 		rc = get_file_attribute_tag_info(rsp, fp, work->response_buf);  in smb2_get_info_file()
5370 		if (!work->tcon->posix_extensions) {  in smb2_get_info_file()
5372 			rc = -EOPNOTSUPP;  in smb2_get_info_file()
5374 			rc = find_file_posix_info(rsp, fp, work->response_buf);  in smb2_get_info_file()
5380 		rc = -EOPNOTSUPP;  in smb2_get_info_file()
5383 		rc = buffer_check_err(le32_to_cpu(req->OutputBufferLength),  in smb2_get_info_file()
5384 				      rsp, work->response_buf);  in smb2_get_info_file()
5393 	struct ksmbd_session *sess = work->sess;  in smb2_get_info_filesystem()
5394 	struct ksmbd_conn *conn = work->conn;  in smb2_get_info_filesystem()
5395 	struct ksmbd_share_config *share = work->tcon->share_conf;  in smb2_get_info_filesystem()
5401 	if (!share->path)  in smb2_get_info_filesystem()
5402 		return -EIO;  in smb2_get_info_filesystem()
5404 	rc = kern_path(share->path, LOOKUP_NO_SYMLINKS, &path);  in smb2_get_info_filesystem()
5407 		return -EIO;  in smb2_get_info_filesystem()
5412 		pr_err("cannot do stat of path %s\n", share->path);  in smb2_get_info_filesystem()
5414 		return -EIO;  in smb2_get_info_filesystem()
5417 	fsinfoclass = req->FileInfoClass;  in smb2_get_info_filesystem()
5424 		info = (struct filesystem_device_info *)rsp->Buffer;  in smb2_get_info_filesystem()
5426 		info->DeviceType = cpu_to_le32(FILE_DEVICE_DISK);  in smb2_get_info_filesystem()
5427 		info->DeviceCharacteristics =  in smb2_get_info_filesystem()
5429 		if (!test_tree_conn_flag(work->tcon,  in smb2_get_info_filesystem()
5431 			info->DeviceCharacteristics |=  in smb2_get_info_filesystem()
5433 		rsp->OutputBufferLength = cpu_to_le32(8);  in smb2_get_info_filesystem()
5441 		info = (struct filesystem_attribute_info *)rsp->Buffer;  in smb2_get_info_filesystem()
5442 		info->Attributes = cpu_to_le32(FILE_SUPPORTS_OBJECT_IDS |  in smb2_get_info_filesystem()
5449 		info->Attributes |= cpu_to_le32(server_conf.share_fake_fscaps);  in smb2_get_info_filesystem()
5451 		if (test_share_config_flag(work->tcon->share_conf,  in smb2_get_info_filesystem()
5453 			info->Attributes |= cpu_to_le32(FILE_NAMED_STREAMS);  in smb2_get_info_filesystem()
5455 		info->MaxPathNameComponentLength = cpu_to_le32(stfs.f_namelen);  in smb2_get_info_filesystem()
5456 		len = smbConvertToUTF16((__le16 *)info->FileSystemName,  in smb2_get_info_filesystem()
5457 					"NTFS", PATH_MAX, conn->local_nls, 0);  in smb2_get_info_filesystem()
5459 		info->FileSystemNameLen = cpu_to_le32(len);  in smb2_get_info_filesystem()
5461 		rsp->OutputBufferLength = cpu_to_le32(sz);  in smb2_get_info_filesystem()
5470 		info = (struct filesystem_vol_info *)(rsp->Buffer);  in smb2_get_info_filesystem()
5471 		info->VolumeCreationTime = 0;  in smb2_get_info_filesystem()
5472 		serial_crc = crc32_le(serial_crc, share->name,  in smb2_get_info_filesystem()
5473 				      strlen(share->name));  in smb2_get_info_filesystem()
5474 		serial_crc = crc32_le(serial_crc, share->path,  in smb2_get_info_filesystem()
5475 				      strlen(share->path));  in smb2_get_info_filesystem()
5479 		info->SerialNumber = cpu_to_le32(serial_crc);  in smb2_get_info_filesystem()
5480 		len = smbConvertToUTF16((__le16 *)info->VolumeLabel,  in smb2_get_info_filesystem()
5481 					share->name, PATH_MAX,  in smb2_get_info_filesystem()
5482 					conn->local_nls, 0);  in smb2_get_info_filesystem()
5484 		info->VolumeLabelSize = cpu_to_le32(len);  in smb2_get_info_filesystem()
5485 		info->Reserved = 0;  in smb2_get_info_filesystem()
5487 		rsp->OutputBufferLength = cpu_to_le32(sz);  in smb2_get_info_filesystem()
5494 		info = (struct filesystem_info *)(rsp->Buffer);  in smb2_get_info_filesystem()
5495 		info->TotalAllocationUnits = cpu_to_le64(stfs.f_blocks);  in smb2_get_info_filesystem()
5496 		info->FreeAllocationUnits = cpu_to_le64(stfs.f_bfree);  in smb2_get_info_filesystem()
5497 		info->SectorsPerAllocationUnit = cpu_to_le32(1);  in smb2_get_info_filesystem()
5498 		info->BytesPerSector = cpu_to_le32(stfs.f_bsize);  in smb2_get_info_filesystem()
5499 		rsp->OutputBufferLength = cpu_to_le32(24);  in smb2_get_info_filesystem()
5506 		info = (struct smb2_fs_full_size_info *)(rsp->Buffer);  in smb2_get_info_filesystem()
5507 		info->TotalAllocationUnits = cpu_to_le64(stfs.f_blocks);  in smb2_get_info_filesystem()
5508 		info->CallerAvailableAllocationUnits =  in smb2_get_info_filesystem()
5510 		info->ActualAvailableAllocationUnits =  in smb2_get_info_filesystem()
5512 		info->SectorsPerAllocationUnit = cpu_to_le32(1);  in smb2_get_info_filesystem()
5513 		info->BytesPerSector = cpu_to_le32(stfs.f_bsize);  in smb2_get_info_filesystem()
5514 		rsp->OutputBufferLength = cpu_to_le32(32);  in smb2_get_info_filesystem()
5521 		info = (struct object_id_info *)(rsp->Buffer);  in smb2_get_info_filesystem()
5523 		if (!user_guest(sess->user))  in smb2_get_info_filesystem()
5524 			memcpy(info->objid, user_passkey(sess->user), 16);  in smb2_get_info_filesystem()
5526 			memset(info->objid, 0, 16);  in smb2_get_info_filesystem()
5528 		info->extended_info.magic = cpu_to_le32(EXTENDED_INFO_MAGIC);  in smb2_get_info_filesystem()
5529 		info->extended_info.version = cpu_to_le32(1);  in smb2_get_info_filesystem()
5530 		info->extended_info.release = cpu_to_le32(1);  in smb2_get_info_filesystem()
5531 		info->extended_info.rel_date = 0;  in smb2_get_info_filesystem()
5532 		memcpy(info->extended_info.version_string, "1.1.0", strlen("1.1.0"));  in smb2_get_info_filesystem()
5533 		rsp->OutputBufferLength = cpu_to_le32(64);  in smb2_get_info_filesystem()
5540 			min_t(unsigned int, path.mnt->mnt_sb->s_blocksize, 4096);  in smb2_get_info_filesystem()
5542 		info = (struct smb3_fs_ss_info *)(rsp->Buffer);  in smb2_get_info_filesystem()
5544 		info->LogicalBytesPerSector = cpu_to_le32(sector_size);  in smb2_get_info_filesystem()
5545 		info->PhysicalBytesPerSectorForAtomicity =  in smb2_get_info_filesystem()
5547 		info->PhysicalBytesPerSectorForPerf = cpu_to_le32(sector_size);  in smb2_get_info_filesystem()
5548 		info->FSEffPhysicalBytesPerSectorForAtomicity =  in smb2_get_info_filesystem()
5550 		info->Flags = cpu_to_le32(SSINFO_FLAGS_ALIGNED_DEVICE |  in smb2_get_info_filesystem()
5552 		info->ByteOffsetForSectorAlignment = 0;  in smb2_get_info_filesystem()
5553 		info->ByteOffsetForPartitionAlignment = 0;  in smb2_get_info_filesystem()
5554 		rsp->OutputBufferLength = cpu_to_le32(28);  in smb2_get_info_filesystem()
5567 		info = (struct smb2_fs_control_info *)(rsp->Buffer);  in smb2_get_info_filesystem()
5568 		info->FreeSpaceStartFiltering = 0;  in smb2_get_info_filesystem()
5569 		info->FreeSpaceThreshold = 0;  in smb2_get_info_filesystem()
5570 		info->FreeSpaceStopFiltering = 0;  in smb2_get_info_filesystem()
5571 		info->DefaultQuotaThreshold = cpu_to_le64(SMB2_NO_FID);  in smb2_get_info_filesystem()
5572 		info->DefaultQuotaLimit = cpu_to_le64(SMB2_NO_FID);  in smb2_get_info_filesystem()
5573 		info->Padding = 0;  in smb2_get_info_filesystem()
5574 		rsp->OutputBufferLength = cpu_to_le32(48);  in smb2_get_info_filesystem()
5581 		if (!work->tcon->posix_extensions) {  in smb2_get_info_filesystem()
5583 			rc = -EOPNOTSUPP;  in smb2_get_info_filesystem()
5585 			info = (struct filesystem_posix_info *)(rsp->Buffer);  in smb2_get_info_filesystem()
5586 			info->OptimalTransferSize = cpu_to_le32(stfs.f_bsize);  in smb2_get_info_filesystem()
5587 			info->BlockSize = cpu_to_le32(stfs.f_bsize);  in smb2_get_info_filesystem()
5588 			info->TotalBlocks = cpu_to_le64(stfs.f_blocks);  in smb2_get_info_filesystem()
5589 			info->BlocksAvail = cpu_to_le64(stfs.f_bfree);  in smb2_get_info_filesystem()
5590 			info->UserBlocksAvail = cpu_to_le64(stfs.f_bavail);  in smb2_get_info_filesystem()
5591 			info->TotalFileNodes = cpu_to_le64(stfs.f_files);  in smb2_get_info_filesystem()
5592 			info->FreeFileNodes = cpu_to_le64(stfs.f_ffree);  in smb2_get_info_filesystem()
5593 			rsp->OutputBufferLength = cpu_to_le32(56);  in smb2_get_info_filesystem()
5599 		return -EOPNOTSUPP;  in smb2_get_info_filesystem()
5601 	rc = buffer_check_err(le32_to_cpu(req->OutputBufferLength),  in smb2_get_info_filesystem()
5602 			      rsp, work->response_buf);  in smb2_get_info_filesystem()
5613 	struct smb_ntsd *pntsd = (struct smb_ntsd *)rsp->Buffer, *ppntsd = NULL;  in smb2_get_info_sec()
5618 	int addition_info = le32_to_cpu(req->AdditionalInformation);  in smb2_get_info_sec()
5627 		pntsd->revision = cpu_to_le16(1);  in smb2_get_info_sec()
5628 		pntsd->type = cpu_to_le16(SELF_RELATIVE | DACL_PROTECTED);  in smb2_get_info_sec()
5629 		pntsd->osidoffset = 0;  in smb2_get_info_sec()
5630 		pntsd->gsidoffset = 0;  in smb2_get_info_sec()
5631 		pntsd->sacloffset = 0;  in smb2_get_info_sec()
5632 		pntsd->dacloffset = 0;  in smb2_get_info_sec()
5635 		rsp->OutputBufferLength = cpu_to_le32(secdesclen);  in smb2_get_info_sec()
5640 	if (work->next_smb2_rcv_hdr_off) {  in smb2_get_info_sec()
5641 		if (!has_file_id(req->VolatileFileId)) {  in smb2_get_info_sec()
5643 				    work->compound_fid);  in smb2_get_info_sec()
5644 			id = work->compound_fid;  in smb2_get_info_sec()
5645 			pid = work->compound_pfid;  in smb2_get_info_sec()
5650 		id = req->VolatileFileId;  in smb2_get_info_sec()
5651 		pid = req->PersistentFileId;  in smb2_get_info_sec()
5656 		return -ENOENT;  in smb2_get_info_sec()
5658 	idmap = file_mnt_idmap(fp->filp);  in smb2_get_info_sec()
5659 	inode = file_inode(fp->filp);  in smb2_get_info_sec()
5662 	if (test_share_config_flag(work->tcon->share_conf,  in smb2_get_info_sec()
5664 		ppntsd_size = ksmbd_vfs_get_sd_xattr(work->conn, idmap,  in smb2_get_info_sec()
5665 						     fp->filp->f_path.dentry,  in smb2_get_info_sec()
5679 	rsp->OutputBufferLength = cpu_to_le32(secdesclen);  in smb2_get_info_sec()
5684  * smb2_query_info() - handler for smb2 query info command
5700 		rc = -ENOMEM;  in smb2_query_info()
5704 	switch (req->InfoType) {  in smb2_query_info()
5719 			    req->InfoType);  in smb2_query_info()
5720 		rc = -EOPNOTSUPP;  in smb2_query_info()
5725 		rsp->StructureSize = cpu_to_le16(9);  in smb2_query_info()
5726 		rsp->OutputBufferOffset = cpu_to_le16(72);  in smb2_query_info()
5729 					le32_to_cpu(rsp->OutputBufferLength));  in smb2_query_info()
5734 		if (rc == -EACCES)  in smb2_query_info()
5735 			rsp->hdr.Status = STATUS_ACCESS_DENIED;  in smb2_query_info()
5736 		else if (rc == -ENOENT)  in smb2_query_info()
5737 			rsp->hdr.Status = STATUS_FILE_CLOSED;  in smb2_query_info()
5738 		else if (rc == -EIO)  in smb2_query_info()
5739 			rsp->hdr.Status = STATUS_UNEXPECTED_IO_ERROR;  in smb2_query_info()
5740 		else if (rc == -ENOMEM)  in smb2_query_info()
5741 			rsp->hdr.Status = STATUS_INSUFFICIENT_RESOURCES;  in smb2_query_info()
5742 		else if (rc == -EOPNOTSUPP || rsp->hdr.Status == 0)  in smb2_query_info()
5743 			rsp->hdr.Status = STATUS_INVALID_INFO_CLASS;  in smb2_query_info()
5754  * smb2_close_pipe() - handler for closing IPC pipe
5767 	id = req->VolatileFileId;  in smb2_close_pipe()
5768 	ksmbd_session_rpc_close(work->sess, id);  in smb2_close_pipe()
5770 	rsp->StructureSize = cpu_to_le16(60);  in smb2_close_pipe()
5771 	rsp->Flags = 0;  in smb2_close_pipe()
5772 	rsp->Reserved = 0;  in smb2_close_pipe()
5773 	rsp->CreationTime = 0;  in smb2_close_pipe()
5774 	rsp->LastAccessTime = 0;  in smb2_close_pipe()
5775 	rsp->LastWriteTime = 0;  in smb2_close_pipe()
5776 	rsp->ChangeTime = 0;  in smb2_close_pipe()
5777 	rsp->AllocationSize = 0;  in smb2_close_pipe()
5778 	rsp->EndOfFile = 0;  in smb2_close_pipe()
5779 	rsp->Attributes = 0;  in smb2_close_pipe()
5786  * smb2_close() - handler for smb2 close file command
5797 	struct ksmbd_conn *conn = work->conn;  in smb2_close()
5806 	if (test_share_config_flag(work->tcon->share_conf,  in smb2_close()
5812 	sess_id = le64_to_cpu(req->hdr.SessionId);  in smb2_close()
5813 	if (req->hdr.Flags & SMB2_FLAGS_RELATED_OPERATIONS)  in smb2_close()
5814 		sess_id = work->compound_sid;  in smb2_close()
5816 	work->compound_sid = 0;  in smb2_close()
5818 		work->compound_sid = sess_id;  in smb2_close()
5820 		rsp->hdr.Status = STATUS_USER_SESSION_DELETED;  in smb2_close()
5821 		if (req->hdr.Flags & SMB2_FLAGS_RELATED_OPERATIONS)  in smb2_close()
5822 			rsp->hdr.Status = STATUS_INVALID_PARAMETER;  in smb2_close()
5823 		err = -EBADF;  in smb2_close()
5827 	if (work->next_smb2_rcv_hdr_off &&  in smb2_close()
5828 	    !has_file_id(req->VolatileFileId)) {  in smb2_close()
5829 		if (!has_file_id(work->compound_fid)) {  in smb2_close()
5832 			rsp->hdr.Status = STATUS_FILE_CLOSED;  in smb2_close()
5833 			err = -EBADF;  in smb2_close()
5838 				    work->compound_fid,  in smb2_close()
5839 				    work->compound_pfid);  in smb2_close()
5840 			volatile_id = work->compound_fid;  in smb2_close()
5843 			work->compound_fid = KSMBD_NO_FID;  in smb2_close()
5844 			work->compound_pfid = KSMBD_NO_FID;  in smb2_close()
5847 		volatile_id = req->VolatileFileId;  in smb2_close()
5851 	rsp->StructureSize = cpu_to_le16(60);  in smb2_close()
5852 	rsp->Reserved = 0;  in smb2_close()
5854 	if (req->Flags == SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB) {  in smb2_close()
5860 			err = -ENOENT;  in smb2_close()
5864 		ret = vfs_getattr(&fp->filp->f_path, &stat, STATX_BASIC_STATS,  in smb2_close()
5871 		rsp->Flags = SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB;  in smb2_close()
5872 		rsp->AllocationSize = S_ISDIR(stat.mode) ? 0 :  in smb2_close()
5874 		rsp->EndOfFile = cpu_to_le64(stat.size);  in smb2_close()
5875 		rsp->Attributes = fp->f_ci->m_fattr;  in smb2_close()
5876 		rsp->CreationTime = cpu_to_le64(fp->create_time);  in smb2_close()
5878 		rsp->LastAccessTime = cpu_to_le64(time);  in smb2_close()
5880 		rsp->LastWriteTime = cpu_to_le64(time);  in smb2_close()
5882 		rsp->ChangeTime = cpu_to_le64(time);  in smb2_close()
5885 		rsp->Flags = 0;  in smb2_close()
5886 		rsp->AllocationSize = 0;  in smb2_close()
5887 		rsp->EndOfFile = 0;  in smb2_close()
5888 		rsp->Attributes = 0;  in smb2_close()
5889 		rsp->CreationTime = 0;  in smb2_close()
5890 		rsp->LastAccessTime = 0;  in smb2_close()
5891 		rsp->LastWriteTime = 0;  in smb2_close()
5892 		rsp->ChangeTime = 0;  in smb2_close()
5902 		if (rsp->hdr.Status == 0)  in smb2_close()
5903 			rsp->hdr.Status = STATUS_FILE_CLOSED;  in smb2_close()
5911  * smb2_echo() - handler for smb2 echo(ping) command
5918 	struct smb2_echo_rsp *rsp = smb2_get_msg(work->response_buf);  in smb2_echo()
5922 	if (work->next_smb2_rcv_hdr_off)  in smb2_echo()
5925 	rsp->StructureSize = cpu_to_le16(4);  in smb2_echo()
5926 	rsp->Reserved = 0;  in smb2_echo()
5935 	struct ksmbd_share_config *share = fp->tcon->share_conf;  in smb2_rename()
5940 	new_name = smb2_get_name(file_info->FileName,  in smb2_rename()
5941 				 le32_to_cpu(file_info->FileNameLength),  in smb2_rename()
5957 		if (len > 0 && new_name[len - 1] != '/') {  in smb2_rename()
5959 			rc = -ESHARE;  in smb2_rename()
5970 		rc = ksmbd_vfs_setxattr(file_mnt_idmap(fp->filp),  in smb2_rename()
5971 					&fp->filp->f_path,  in smb2_rename()
5977 			rc = -EINVAL;  in smb2_rename()
5986 		rc = -ENOENT;  in smb2_rename()
5991 	if (!file_info->ReplaceIfExists)  in smb2_rename()
5994 	rc = ksmbd_vfs_rename(work, &fp->filp->f_path, new_name, flags);  in smb2_rename()
6014 			le32_to_cpu(file_info->FileNameLength))  in smb2_create_link()
6015 		return -EINVAL;  in smb2_create_link()
6020 		return -ENOMEM;  in smb2_create_link()
6022 	link_name = smb2_get_name(file_info->FileName,  in smb2_create_link()
6023 				  le32_to_cpu(file_info->FileNameLength),  in smb2_create_link()
6025 	if (IS_ERR(link_name) || S_ISDIR(file_inode(filp)->i_mode)) {  in smb2_create_link()
6026 		rc = -EINVAL;  in smb2_create_link()
6033 		rc = -EINVAL;  in smb2_create_link()
6041 		if (rc != -ENOENT)  in smb2_create_link()
6046 	if (file_info->ReplaceIfExists) {  in smb2_create_link()
6050 				rc = -EINVAL;  in smb2_create_link()
6058 			rc = -EEXIST;  in smb2_create_link()
6066 		rc = -EINVAL;  in smb2_create_link()
6087 	if (!(fp->daccess & FILE_WRITE_ATTRIBUTES_LE))  in set_file_basic_info()
6088 		return -EACCES;  in set_file_basic_info()
6091 	filp = fp->filp;  in set_file_basic_info()
6095 	if (file_info->CreationTime)  in set_file_basic_info()
6096 		fp->create_time = le64_to_cpu(file_info->CreationTime);  in set_file_basic_info()
6098 	if (file_info->LastAccessTime) {  in set_file_basic_info()
6099 		attrs.ia_atime = ksmbd_NTtimeToUnix(file_info->LastAccessTime);  in set_file_basic_info()
6103 	if (file_info->ChangeTime)  in set_file_basic_info()
6105 				ksmbd_NTtimeToUnix(file_info->ChangeTime));  in set_file_basic_info()
6107 	if (file_info->LastWriteTime) {  in set_file_basic_info()
6108 		attrs.ia_mtime = ksmbd_NTtimeToUnix(file_info->LastWriteTime);  in set_file_basic_info()
6112 	if (file_info->Attributes) {  in set_file_basic_info()
6113 		if (!S_ISDIR(inode->i_mode) &&  in set_file_basic_info()
6114 		    file_info->Attributes & FILE_ATTRIBUTE_DIRECTORY_LE) {  in set_file_basic_info()
6116 			return -EINVAL;  in set_file_basic_info()
6119 		if (!(S_ISDIR(inode->i_mode) && file_info->Attributes == FILE_ATTRIBUTE_NORMAL_LE))  in set_file_basic_info()
6120 			fp->f_ci->m_fattr = file_info->Attributes |  in set_file_basic_info()
6121 				(fp->f_ci->m_fattr & FILE_ATTRIBUTE_DIRECTORY_LE);  in set_file_basic_info()
6125 	    (file_info->CreationTime || file_info->Attributes)) {  in set_file_basic_info()
6129 		da.itime = fp->itime;  in set_file_basic_info()
6130 		da.create_time = fp->create_time;  in set_file_basic_info()
6131 		da.attr = le32_to_cpu(fp->f_ci->m_fattr);  in set_file_basic_info()
6135 		rc = ksmbd_vfs_set_dos_attrib_xattr(idmap, &filp->f_path, &da,  in set_file_basic_info()
6144 		struct dentry *dentry = filp->f_path.dentry;  in set_file_basic_info()
6148 			return -EACCES;  in set_file_basic_info()
6172 	if (!(fp->daccess & FILE_WRITE_DATA_LE))  in set_file_allocation_info()
6173 		return -EACCES;  in set_file_allocation_info()
6175 	rc = vfs_getattr(&fp->filp->f_path, &stat, STATX_BASIC_STATS,  in set_file_allocation_info()
6180 	alloc_blks = (le64_to_cpu(file_alloc_info->AllocationSize) + 511) >> 9;  in set_file_allocation_info()
6181 	inode = file_inode(fp->filp);  in set_file_allocation_info()
6185 		rc = vfs_fallocate(fp->filp, FALLOC_FL_KEEP_SIZE, 0,  in set_file_allocation_info()
6187 		if (rc && rc != -EOPNOTSUPP) {  in set_file_allocation_info()
6220 	if (!(fp->daccess & FILE_WRITE_DATA_LE))  in set_end_of_file_info()
6221 		return -EACCES;  in set_end_of_file_info()
6223 	newsize = le64_to_cpu(file_eof_info->EndOfFile);  in set_end_of_file_info()
6224 	inode = file_inode(fp->filp);  in set_end_of_file_info()
6233 	if (inode->i_sb->s_magic != MSDOS_SUPER_MAGIC) {  in set_end_of_file_info()
6238 			if (rc != -EAGAIN)  in set_end_of_file_info()
6239 				rc = -EBADF;  in set_end_of_file_info()
6250 	if (!(fp->daccess & FILE_DELETE_LE)) {  in set_rename_info()
6251 		pr_err("no right to delete : 0x%x\n", fp->daccess);  in set_rename_info()
6252 		return -EACCES;  in set_rename_info()
6256 			le32_to_cpu(rename_info->FileNameLength))  in set_rename_info()
6257 		return -EINVAL;  in set_rename_info()
6259 	if (!le32_to_cpu(rename_info->FileNameLength))  in set_rename_info()
6260 		return -EINVAL;  in set_rename_info()
6262 	return smb2_rename(work, fp, rename_info, work->conn->local_nls);  in set_rename_info()
6270 	if (!(fp->daccess & FILE_DELETE_LE)) {  in set_file_disposition_info()
6271 		pr_err("no right to delete : 0x%x\n", fp->daccess);  in set_file_disposition_info()
6272 		return -EACCES;  in set_file_disposition_info()
6275 	inode = file_inode(fp->filp);  in set_file_disposition_info()
6276 	if (file_info->DeletePending) {  in set_file_disposition_info()
6277 		if (S_ISDIR(inode->i_mode) &&  in set_file_disposition_info()
6278 		    ksmbd_vfs_empty_dir(fp) == -ENOTEMPTY)  in set_file_disposition_info()
6279 			return -EBUSY;  in set_file_disposition_info()
6294 	inode = file_inode(fp->filp);  in set_file_position_info()
6295 	current_byte_offset = le64_to_cpu(file_info->CurrentByteOffset);  in set_file_position_info()
6296 	sector_size = inode->i_sb->s_blocksize;  in set_file_position_info()
6299 	    (fp->coption == FILE_NO_INTERMEDIATE_BUFFERING_LE &&  in set_file_position_info()
6300 	     current_byte_offset & (sector_size - 1))) {  in set_file_position_info()
6303 		return -EINVAL;  in set_file_position_info()
6306 	fp->filp->f_pos = current_byte_offset;  in set_file_position_info()
6315 	mode = file_info->Mode;  in set_file_mode_info()
6319 		return -EINVAL;  in set_file_mode_info()
6326 	ksmbd_vfs_set_fadvise(fp->filp, mode);  in set_file_mode_info()
6327 	fp->coption = mode;  in set_file_mode_info()
6332  * smb2_set_info_file() - handler for smb2 set info command
6345 	unsigned int buf_len = le32_to_cpu(req->BufferLength);  in smb2_set_info_file()
6346 	char *buffer = (char *)req + le16_to_cpu(req->BufferOffset);  in smb2_set_info_file()
6348 	switch (req->FileInfoClass) {  in smb2_set_info_file()
6352 			return -EINVAL;  in smb2_set_info_file()
6359 			return -EINVAL;  in smb2_set_info_file()
6367 			return -EINVAL;  in smb2_set_info_file()
6375 			return -EINVAL;  in smb2_set_info_file()
6384 			return -EINVAL;  in smb2_set_info_file()
6386 		return smb2_create_link(work, work->tcon->share_conf,  in smb2_set_info_file()
6388 					buf_len, fp->filp,  in smb2_set_info_file()
6389 					work->conn->local_nls);  in smb2_set_info_file()
6394 			return -EINVAL;  in smb2_set_info_file()
6401 		if (!(fp->daccess & FILE_WRITE_EA_LE)) {  in smb2_set_info_file()
6403 			       fp->daccess);  in smb2_set_info_file()
6404 			return -EACCES;  in smb2_set_info_file()
6408 			return -EINVAL;  in smb2_set_info_file()
6411 				   buf_len, &fp->filp->f_path, true);  in smb2_set_info_file()
6416 			return -EINVAL;  in smb2_set_info_file()
6423 			return -EINVAL;  in smb2_set_info_file()
6429 	pr_err("Unimplemented Fileinfoclass :%d\n", req->FileInfoClass);  in smb2_set_info_file()
6430 	return -EOPNOTSUPP;  in smb2_set_info_file()
6438 	fp->saccess |= FILE_SHARE_DELETE_LE;  in smb2_set_info_sec()
6440 	return set_info_sec(fp->conn, fp->tcon, &fp->filp->f_path, pntsd,  in smb2_set_info_sec()
6445  * smb2_set_info() - handler for smb2 set info command handler
6460 	if (work->next_smb2_rcv_hdr_off) {  in smb2_set_info()
6463 		if (!has_file_id(req->VolatileFileId)) {  in smb2_set_info()
6465 				    work->compound_fid);  in smb2_set_info()
6466 			id = work->compound_fid;  in smb2_set_info()
6467 			pid = work->compound_pfid;  in smb2_set_info()
6470 		req = smb2_get_msg(work->request_buf);  in smb2_set_info()
6471 		rsp = smb2_get_msg(work->response_buf);  in smb2_set_info()
6474 	if (!test_tree_conn_flag(work->tcon, KSMBD_TREE_CONN_FLAG_WRITABLE)) {  in smb2_set_info()
6477 		rc = -EACCES;  in smb2_set_info()
6482 		id = req->VolatileFileId;  in smb2_set_info()
6483 		pid = req->PersistentFileId;  in smb2_set_info()
6489 		rc = -ENOENT;  in smb2_set_info()
6493 	switch (req->InfoType) {  in smb2_set_info()
6496 		rc = smb2_set_info_file(work, fp, req, work->tcon->share_conf);  in smb2_set_info()
6501 			rc = -ENOMEM;  in smb2_set_info()
6505 				       le32_to_cpu(req->AdditionalInformation),  in smb2_set_info()
6506 				       (char *)req + le16_to_cpu(req->BufferOffset),  in smb2_set_info()
6507 				       le32_to_cpu(req->BufferLength));  in smb2_set_info()
6511 		rc = -EOPNOTSUPP;  in smb2_set_info()
6517 	rsp->StructureSize = cpu_to_le16(2);  in smb2_set_info()
6526 	if (rc == -EACCES || rc == -EPERM || rc == -EXDEV)  in smb2_set_info()
6527 		rsp->hdr.Status = STATUS_ACCESS_DENIED;  in smb2_set_info()
6528 	else if (rc == -EINVAL)  in smb2_set_info()
6529 		rsp->hdr.Status = STATUS_INVALID_PARAMETER;  in smb2_set_info()
6530 	else if (rc == -ESHARE)  in smb2_set_info()
6531 		rsp->hdr.Status = STATUS_SHARING_VIOLATION;  in smb2_set_info()
6532 	else if (rc == -ENOENT)  in smb2_set_info()
6533 		rsp->hdr.Status = STATUS_OBJECT_NAME_INVALID;  in smb2_set_info()
6534 	else if (rc == -EBUSY || rc == -ENOTEMPTY)  in smb2_set_info()
6535 		rsp->hdr.Status = STATUS_DIRECTORY_NOT_EMPTY;  in smb2_set_info()
6536 	else if (rc == -EAGAIN)  in smb2_set_info()
6537 		rsp->hdr.Status = STATUS_FILE_LOCK_CONFLICT;  in smb2_set_info()
6538 	else if (rc == -EBADF || rc == -ESTALE)  in smb2_set_info()
6539 		rsp->hdr.Status = STATUS_INVALID_HANDLE;  in smb2_set_info()
6540 	else if (rc == -EEXIST)  in smb2_set_info()
6541 		rsp->hdr.Status = STATUS_OBJECT_NAME_COLLISION;  in smb2_set_info()
6542 	else if (rsp->hdr.Status == 0 || rc == -EOPNOTSUPP)  in smb2_set_info()
6543 		rsp->hdr.Status = STATUS_INVALID_INFO_CLASS;  in smb2_set_info()
6551  * smb2_read_pipe() - handler for smb2 read from IPC pipe
6566 	id = req->VolatileFileId;  in smb2_read_pipe()
6568 	rpc_resp = ksmbd_rpc_read(work->sess, id);  in smb2_read_pipe()
6572 		if (rpc_resp->flags != KSMBD_RPC_OK) {  in smb2_read_pipe()
6573 			err = -EINVAL;  in smb2_read_pipe()
6578 			kvmalloc(rpc_resp->payload_sz, KSMBD_DEFAULT_GFP);  in smb2_read_pipe()
6580 			err = -ENOMEM;  in smb2_read_pipe()
6584 		memcpy(aux_payload_buf, rpc_resp->payload, rpc_resp->payload_sz);  in smb2_read_pipe()
6586 		nbytes = rpc_resp->payload_sz;  in smb2_read_pipe()
6602 	rsp->StructureSize = cpu_to_le16(17);  in smb2_read_pipe()
6603 	rsp->DataOffset = 80;  in smb2_read_pipe()
6604 	rsp->Reserved = 0;  in smb2_read_pipe()
6605 	rsp->DataLength = cpu_to_le32(nbytes);  in smb2_read_pipe()
6606 	rsp->DataRemaining = 0;  in smb2_read_pipe()
6607 	rsp->Flags = 0;  in smb2_read_pipe()
6611 	rsp->hdr.Status = STATUS_UNEXPECTED_IO_ERROR;  in smb2_read_pipe()
6619 					__le32 Channel,  in smb2_set_remote_key_for_rdma()  argument
6624 	if (work->conn->dialect == SMB30_PROT_ID &&  in smb2_set_remote_key_for_rdma()
6625 	    Channel != SMB2_CHANNEL_RDMA_V1)  in smb2_set_remote_key_for_rdma()
6626 		return -EINVAL;  in smb2_set_remote_key_for_rdma()
6638 		return -EINVAL;  in smb2_set_remote_key_for_rdma()
6640 	work->need_invalidate_rkey =  in smb2_set_remote_key_for_rdma()
6641 		(Channel == SMB2_CHANNEL_RDMA_V1_INVALIDATE);  in smb2_set_remote_key_for_rdma()
6642 	if (Channel == SMB2_CHANNEL_RDMA_V1_INVALIDATE)  in smb2_set_remote_key_for_rdma()
6643 		work->remote_key = le32_to_cpu(desc->token);  in smb2_set_remote_key_for_rdma()
6653 	err = ksmbd_conn_rdma_write(work->conn, data_buf, length,  in smb2_read_rdma_channel()
6655 				    ((char *)req + le16_to_cpu(req->ReadChannelInfoOffset)),  in smb2_read_rdma_channel()
6656 				    le16_to_cpu(req->ReadChannelInfoLength));  in smb2_read_rdma_channel()
6664  * smb2_read() - handler for smb2 read from file
6671 	struct ksmbd_conn *conn = work->conn;  in smb2_read()
6680 	unsigned int max_read_size = conn->vals->max_read_size;  in smb2_read()
6686 	if (test_share_config_flag(work->tcon->share_conf,  in smb2_read()
6692 	if (work->next_smb2_rcv_hdr_off) {  in smb2_read()
6695 		if (!has_file_id(req->VolatileFileId)) {  in smb2_read()
6697 					work->compound_fid);  in smb2_read()
6698 			id = work->compound_fid;  in smb2_read()
6699 			pid = work->compound_pfid;  in smb2_read()
6702 		req = smb2_get_msg(work->request_buf);  in smb2_read()
6703 		rsp = smb2_get_msg(work->response_buf);  in smb2_read()
6707 		id = req->VolatileFileId;  in smb2_read()
6708 		pid = req->PersistentFileId;  in smb2_read()
6711 	if (req->Channel == SMB2_CHANNEL_RDMA_V1_INVALIDATE ||  in smb2_read()
6712 	    req->Channel == SMB2_CHANNEL_RDMA_V1) {  in smb2_read()
6718 		unsigned int ch_offset = le16_to_cpu(req->ReadChannelInfoOffset);  in smb2_read()
6721 			err = -EINVAL;  in smb2_read()
6727 						   req->Channel,  in smb2_read()
6728 						   req->ReadChannelInfoLength);  in smb2_read()
6735 		err = -ENOENT;  in smb2_read()
6739 	if (!(fp->daccess & (FILE_READ_DATA_LE | FILE_READ_ATTRIBUTES_LE))) {  in smb2_read()
6740 		pr_err("Not permitted to read : 0x%x\n", fp->daccess);  in smb2_read()
6741 		err = -EACCES;  in smb2_read()
6745 	offset = le64_to_cpu(req->Offset);  in smb2_read()
6747 		err = -EINVAL;  in smb2_read()
6750 	length = le32_to_cpu(req->Length);  in smb2_read()
6751 	mincount = le32_to_cpu(req->MinimumCount);  in smb2_read()
6756 		err = -EINVAL;  in smb2_read()
6761 		    fp->filp, offset, length);  in smb2_read()
6765 		err = -ENOMEM;  in smb2_read()
6777 		rsp->hdr.Status = STATUS_END_OF_FILE;  in smb2_read()
6787 		/* write data to the client using rdma channel */  in smb2_read()
6800 	rsp->StructureSize = cpu_to_le16(17);  in smb2_read()
6801 	rsp->DataOffset = 80;  in smb2_read()
6802 	rsp->Reserved = 0;  in smb2_read()
6803 	rsp->DataLength = cpu_to_le32(nbytes);  in smb2_read()
6804 	rsp->DataRemaining = cpu_to_le32(remain_bytes);  in smb2_read()
6805 	rsp->Flags = 0;  in smb2_read()
6818 		if (err == -EISDIR)  in smb2_read()
6819 			rsp->hdr.Status = STATUS_INVALID_DEVICE_REQUEST;  in smb2_read()
6820 		else if (err == -EAGAIN)  in smb2_read()
6821 			rsp->hdr.Status = STATUS_FILE_LOCK_CONFLICT;  in smb2_read()
6822 		else if (err == -ENOENT)  in smb2_read()
6823 			rsp->hdr.Status = STATUS_FILE_CLOSED;  in smb2_read()
6824 		else if (err == -EACCES)  in smb2_read()
6825 			rsp->hdr.Status = STATUS_ACCESS_DENIED;  in smb2_read()
6826 		else if (err == -ESHARE)  in smb2_read()
6827 			rsp->hdr.Status = STATUS_SHARING_VIOLATION;  in smb2_read()
6828 		else if (err == -EINVAL)  in smb2_read()
6829 			rsp->hdr.Status = STATUS_INVALID_PARAMETER;  in smb2_read()
6831 			rsp->hdr.Status = STATUS_INVALID_HANDLE;  in smb2_read()
6840  * smb2_write_pipe() - handler for smb2 write on IPC pipe
6857 	length = le32_to_cpu(req->Length);  in smb2_write_pipe()
6858 	id = req->VolatileFileId;  in smb2_write_pipe()
6860 	if ((u64)le16_to_cpu(req->DataOffset) + length >  in smb2_write_pipe()
6861 	    get_rfc1002_len(work->request_buf)) {  in smb2_write_pipe()
6863 		       le16_to_cpu(req->DataOffset),  in smb2_write_pipe()
6864 		       get_rfc1002_len(work->request_buf));  in smb2_write_pipe()
6865 		err = -EINVAL;  in smb2_write_pipe()
6869 	data_buf = (char *)(((char *)&req->hdr.ProtocolId) +  in smb2_write_pipe()
6870 			   le16_to_cpu(req->DataOffset));  in smb2_write_pipe()
6872 	rpc_resp = ksmbd_rpc_write(work->sess, id, data_buf, length);  in smb2_write_pipe()
6874 		if (rpc_resp->flags == KSMBD_RPC_ENOTIMPLEMENTED) {  in smb2_write_pipe()
6875 			rsp->hdr.Status = STATUS_NOT_SUPPORTED;  in smb2_write_pipe()
6878 			return -EOPNOTSUPP;  in smb2_write_pipe()
6880 		if (rpc_resp->flags != KSMBD_RPC_OK) {  in smb2_write_pipe()
6881 			rsp->hdr.Status = STATUS_INVALID_HANDLE;  in smb2_write_pipe()
6889 	rsp->StructureSize = cpu_to_le16(17);  in smb2_write_pipe()
6890 	rsp->DataOffset = 0;  in smb2_write_pipe()
6891 	rsp->Reserved = 0;  in smb2_write_pipe()
6892 	rsp->DataLength = cpu_to_le32(length);  in smb2_write_pipe()
6893 	rsp->DataRemaining = 0;  in smb2_write_pipe()
6894 	rsp->Reserved2 = 0;  in smb2_write_pipe()
6899 		rsp->hdr.Status = STATUS_INVALID_HANDLE;  in smb2_write_pipe()
6917 		return -ENOMEM;  in smb2_write_rdma_channel()
6919 	ret = ksmbd_conn_rdma_read(work->conn, data_buf, length,  in smb2_write_rdma_channel()
6921 				   ((char *)req + le16_to_cpu(req->WriteChannelInfoOffset)),  in smb2_write_rdma_channel()
6922 				   le16_to_cpu(req->WriteChannelInfoLength));  in smb2_write_rdma_channel()
6937  * smb2_write() - handler for smb2 write from file
6953 	unsigned int max_write_size = work->conn->vals->max_write_size;  in smb2_write()
6959 	if (test_share_config_flag(work->tcon->share_conf, KSMBD_SHARE_FLAG_PIPE)) {  in smb2_write()
6964 	offset = le64_to_cpu(req->Offset);  in smb2_write()
6966 		return -EINVAL;  in smb2_write()
6967 	length = le32_to_cpu(req->Length);  in smb2_write()
6969 	if (req->Channel == SMB2_CHANNEL_RDMA_V1 ||  in smb2_write()
6970 	    req->Channel == SMB2_CHANNEL_RDMA_V1_INVALIDATE) {  in smb2_write()
6973 		length = le32_to_cpu(req->RemainingBytes);  in smb2_write()
6977 		unsigned int ch_offset = le16_to_cpu(req->WriteChannelInfoOffset);  in smb2_write()
6979 		if (req->Length != 0 || req->DataOffset != 0 ||  in smb2_write()
6981 			err = -EINVAL;  in smb2_write()
6987 						   req->Channel,  in smb2_write()
6988 						   req->WriteChannelInfoLength);  in smb2_write()
6993 	if (!test_tree_conn_flag(work->tcon, KSMBD_TREE_CONN_FLAG_WRITABLE)) {  in smb2_write()
6995 		err = -EACCES;  in smb2_write()
6999 	fp = ksmbd_lookup_fd_slow(work, req->VolatileFileId, req->PersistentFileId);  in smb2_write()
7001 		err = -ENOENT;  in smb2_write()
7005 	if (!(fp->daccess & (FILE_WRITE_DATA_LE | FILE_READ_ATTRIBUTES_LE))) {  in smb2_write()
7006 		pr_err("Not permitted to write : 0x%x\n", fp->daccess);  in smb2_write()
7007 		err = -EACCES;  in smb2_write()
7014 		err = -EINVAL;  in smb2_write()
7018 	ksmbd_debug(SMB, "flags %u\n", le32_to_cpu(req->Flags));  in smb2_write()
7019 	if (le32_to_cpu(req->Flags) & SMB2_WRITEFLAG_WRITE_THROUGH)  in smb2_write()
7023 		if (le16_to_cpu(req->DataOffset) <  in smb2_write()
7025 			err = -EINVAL;  in smb2_write()
7029 		data_buf = (char *)(((char *)&req->hdr.ProtocolId) +  in smb2_write()
7030 				    le16_to_cpu(req->DataOffset));  in smb2_write()
7033 			    fp->filp, offset, length);  in smb2_write()
7039 		/* read data from the client using rdma channel, and  in smb2_write()
7050 	rsp->StructureSize = cpu_to_le16(17);  in smb2_write()
7051 	rsp->DataOffset = 0;  in smb2_write()
7052 	rsp->Reserved = 0;  in smb2_write()
7053 	rsp->DataLength = cpu_to_le32(nbytes);  in smb2_write()
7054 	rsp->DataRemaining = 0;  in smb2_write()
7055 	rsp->Reserved2 = 0;  in smb2_write()
7063 	if (err == -EAGAIN)  in smb2_write()
7064 		rsp->hdr.Status = STATUS_FILE_LOCK_CONFLICT;  in smb2_write()
7065 	else if (err == -ENOSPC || err == -EFBIG)  in smb2_write()
7066 		rsp->hdr.Status = STATUS_DISK_FULL;  in smb2_write()
7067 	else if (err == -ENOENT)  in smb2_write()
7068 		rsp->hdr.Status = STATUS_FILE_CLOSED;  in smb2_write()
7069 	else if (err == -EACCES)  in smb2_write()
7070 		rsp->hdr.Status = STATUS_ACCESS_DENIED;  in smb2_write()
7071 	else if (err == -ESHARE)  in smb2_write()
7072 		rsp->hdr.Status = STATUS_SHARING_VIOLATION;  in smb2_write()
7073 	else if (err == -EINVAL)  in smb2_write()
7074 		rsp->hdr.Status = STATUS_INVALID_PARAMETER;  in smb2_write()
7076 		rsp->hdr.Status = STATUS_INVALID_HANDLE;  in smb2_write()
7084  * smb2_flush() - handler for smb2 flush file - fsync
7097 	ksmbd_debug(SMB, "Received smb2 flush request(fid : %llu)\n", req->VolatileFileId);  in smb2_flush()
7099 	err = ksmbd_vfs_fsync(work, req->VolatileFileId, req->PersistentFileId);  in smb2_flush()
7103 	rsp->StructureSize = cpu_to_le16(4);  in smb2_flush()
7104 	rsp->Reserved = 0;  in smb2_flush()
7108 	rsp->hdr.Status = STATUS_INVALID_HANDLE;  in smb2_flush()
7114  * smb2_cancel() - handler for smb2 cancel command
7121 	struct ksmbd_conn *conn = work->conn;  in smb2_cancel()
7122 	struct smb2_hdr *hdr = smb2_get_msg(work->request_buf);  in smb2_cancel()
7127 	if (work->next_smb2_rcv_hdr_off)  in smb2_cancel()
7131 		    hdr->MessageId, hdr->Flags);  in smb2_cancel()
7133 	if (hdr->Flags & SMB2_FLAGS_ASYNC_COMMAND) {  in smb2_cancel()
7134 		command_list = &conn->async_requests;  in smb2_cancel()
7136 		spin_lock(&conn->request_lock);  in smb2_cancel()
7139 			chdr = smb2_get_msg(iter->request_buf);  in smb2_cancel()
7141 			if (iter->async_id !=  in smb2_cancel()
7142 			    le64_to_cpu(hdr->Id.AsyncId))  in smb2_cancel()
7147 				    le64_to_cpu(hdr->Id.AsyncId),  in smb2_cancel()
7148 				    le16_to_cpu(chdr->Command));  in smb2_cancel()
7149 			iter->state = KSMBD_WORK_CANCELLED;  in smb2_cancel()
7150 			if (iter->cancel_fn)  in smb2_cancel()
7151 				iter->cancel_fn(iter->cancel_argv);  in smb2_cancel()
7154 		spin_unlock(&conn->request_lock);  in smb2_cancel()
7156 		command_list = &conn->requests;  in smb2_cancel()
7158 		spin_lock(&conn->request_lock);  in smb2_cancel()
7160 			chdr = smb2_get_msg(iter->request_buf);  in smb2_cancel()
7162 			if (chdr->MessageId != hdr->MessageId ||  in smb2_cancel()
7168 				    le64_to_cpu(hdr->MessageId),  in smb2_cancel()
7169 				    le16_to_cpu(chdr->Command));  in smb2_cancel()
7170 			iter->state = KSMBD_WORK_CANCELLED;  in smb2_cancel()
7173 		spin_unlock(&conn->request_lock);  in smb2_cancel()
7177 	work->send_no_response = 1;  in smb2_cancel()
7191 	fl->c.flc_owner = f;  in smb_flock_init()
7192 	fl->c.flc_pid = current->tgid;  in smb_flock_init()
7193 	fl->c.flc_file = f;  in smb_flock_init()
7194 	fl->c.flc_flags = FL_POSIX;  in smb_flock_init()
7195 	fl->fl_ops = NULL;  in smb_flock_init()
7196 	fl->fl_lmops = NULL;  in smb_flock_init()
7204 	int cmd = -EINVAL;  in smb2_set_flock_flags()
7211 		flock->c.flc_type = F_RDLCK;  in smb2_set_flock_flags()
7212 		flock->c.flc_flags |= FL_SLEEP;  in smb2_set_flock_flags()
7217 		flock->c.flc_type = F_WRLCK;  in smb2_set_flock_flags()
7218 		flock->c.flc_flags |= FL_SLEEP;  in smb2_set_flock_flags()
7224 		flock->c.flc_type = F_RDLCK;  in smb2_set_flock_flags()
7230 		flock->c.flc_type = F_WRLCK;  in smb2_set_flock_flags()
7234 		flock->c.flc_type = F_UNLCK;  in smb2_set_flock_flags()
7252 	lock->cmd = cmd;  in smb2_lock_init()
7253 	lock->fl = flock;  in smb2_lock_init()
7254 	lock->start = flock->fl_start;  in smb2_lock_init()
7255 	lock->end = flock->fl_end;  in smb2_lock_init()
7256 	lock->flags = flags;  in smb2_lock_init()
7257 	if (lock->start == lock->end)  in smb2_lock_init()
7258 		lock->zero_len = 1;  in smb2_lock_init()
7259 	INIT_LIST_HEAD(&lock->clist);  in smb2_lock_init()
7260 	INIT_LIST_HEAD(&lock->flist);  in smb2_lock_init()
7261 	INIT_LIST_HEAD(&lock->llist);  in smb2_lock_init()
7262 	list_add_tail(&lock->llist, lock_list);  in smb2_lock_init()
7278 	return waitqueue_active(&fl->c.flc_wait);  in lock_defer_pending()
7282  * smb2_lock() - handler for smb2 file lock command
7298 	int err = -EIO, i, rc = 0;  in smb2_lock()
7310 	fp = ksmbd_lookup_fd_slow(work, req->VolatileFileId, req->PersistentFileId);  in smb2_lock()
7312 		ksmbd_debug(SMB, "Invalid file id for lock : %llu\n", req->VolatileFileId);  in smb2_lock()
7313 		err = -ENOENT;  in smb2_lock()
7317 	filp = fp->filp;  in smb2_lock()
7318 	lock_count = le16_to_cpu(req->LockCount);  in smb2_lock()
7319 	lock_ele = req->locks;  in smb2_lock()
7323 		err = -EINVAL;  in smb2_lock()
7338 		if (lock_start > U64_MAX - lock_length) {  in smb2_lock()
7340 			rsp->hdr.Status = STATUS_INVALID_LOCK_RANGE;  in smb2_lock()
7346 			flock->fl_start = OFFSET_MAX;  in smb2_lock()
7348 			flock->fl_start = lock_start;  in smb2_lock()
7351 		if (lock_length > OFFSET_MAX - flock->fl_start)  in smb2_lock()
7352 			lock_length = OFFSET_MAX - flock->fl_start;  in smb2_lock()
7354 		flock->fl_end = flock->fl_start + lock_length;  in smb2_lock()
7356 		if (flock->fl_end < flock->fl_start) {  in smb2_lock()
7359 				    flock->fl_end, flock->fl_start);  in smb2_lock()
7360 			rsp->hdr.Status = STATUS_INVALID_LOCK_RANGE;  in smb2_lock()
7367 			if (cmp_lock->fl->fl_start <= flock->fl_start &&  in smb2_lock()
7368 			    cmp_lock->fl->fl_end >= flock->fl_end) {  in smb2_lock()
7369 				if (cmp_lock->fl->c.flc_type != F_UNLCK &&  in smb2_lock()
7370 				    flock->c.flc_type != F_UNLCK) {  in smb2_lock()
7372 					err = -EINVAL;  in smb2_lock()
7381 			err = -EINVAL;  in smb2_lock()
7388 		if (smb_lock->cmd < 0) {  in smb2_lock()
7389 			err = -EINVAL;  in smb2_lock()
7393 		if (!(smb_lock->flags & SMB2_LOCKFLAG_MASK)) {  in smb2_lock()
7394 			err = -EINVAL;  in smb2_lock()
7399 		     smb_lock->flags & SMB2_LOCKFLAG_UNLOCK) ||  in smb2_lock()
7401 		     !(smb_lock->flags & SMB2_LOCKFLAG_UNLOCK))) {  in smb2_lock()
7402 			err = -EINVAL;  in smb2_lock()
7406 		prior_lock = smb_lock->flags;  in smb2_lock()
7408 		if (!(smb_lock->flags & SMB2_LOCKFLAG_UNLOCK) &&  in smb2_lock()
7409 		    !(smb_lock->flags & SMB2_LOCKFLAG_FAIL_IMMEDIATELY))  in smb2_lock()
7416 			spin_lock(&conn->llist_lock);  in smb2_lock()
7417 			list_for_each_entry_safe(cmp_lock, tmp2, &conn->lock_list, clist) {  in smb2_lock()
7418 				if (file_inode(cmp_lock->fl->c.flc_file) !=  in smb2_lock()
7419 				    file_inode(smb_lock->fl->c.flc_file))  in smb2_lock()
7422 				if (lock_is_unlock(smb_lock->fl)) {  in smb2_lock()
7423 					if (cmp_lock->fl->c.flc_file == smb_lock->fl->c.flc_file &&  in smb2_lock()
7424 					    cmp_lock->start == smb_lock->start &&  in smb2_lock()
7425 					    cmp_lock->end == smb_lock->end &&  in smb2_lock()
7426 					    !lock_defer_pending(cmp_lock->fl)) {  in smb2_lock()
7428 						list_del(&cmp_lock->flist);  in smb2_lock()
7429 						list_del(&cmp_lock->clist);  in smb2_lock()
7430 						spin_unlock(&conn->llist_lock);  in smb2_lock()
7433 						locks_free_lock(cmp_lock->fl);  in smb2_lock()
7440 				if (cmp_lock->fl->c.flc_file == smb_lock->fl->c.flc_file) {  in smb2_lock()
7441 					if (smb_lock->flags & SMB2_LOCKFLAG_SHARED)  in smb2_lock()
7444 					if (cmp_lock->flags & SMB2_LOCKFLAG_SHARED)  in smb2_lock()
7449 				if (cmp_lock->zero_len && !smb_lock->zero_len &&  in smb2_lock()
7450 				    cmp_lock->start > smb_lock->start &&  in smb2_lock()
7451 				    cmp_lock->start < smb_lock->end) {  in smb2_lock()
7452 					spin_unlock(&conn->llist_lock);  in smb2_lock()
7458 				if (smb_lock->zero_len && !cmp_lock->zero_len &&  in smb2_lock()
7459 				    smb_lock->start > cmp_lock->start &&  in smb2_lock()
7460 				    smb_lock->start < cmp_lock->end) {  in smb2_lock()
7461 					spin_unlock(&conn->llist_lock);  in smb2_lock()
7467 				if (((cmp_lock->start <= smb_lock->start &&  in smb2_lock()
7468 				      cmp_lock->end > smb_lock->start) ||  in smb2_lock()
7469 				     (cmp_lock->start < smb_lock->end &&  in smb2_lock()
7470 				      cmp_lock->end >= smb_lock->end)) &&  in smb2_lock()
7471 				    !cmp_lock->zero_len && !smb_lock->zero_len) {  in smb2_lock()
7472 					spin_unlock(&conn->llist_lock);  in smb2_lock()
7478 			spin_unlock(&conn->llist_lock);  in smb2_lock()
7482 		if (lock_is_unlock(smb_lock->fl) && nolock) {  in smb2_lock()
7484 			rsp->hdr.Status = STATUS_RANGE_NOT_LOCKED;  in smb2_lock()
7489 		flock = smb_lock->fl;  in smb2_lock()
7490 		list_del(&smb_lock->llist);  in smb2_lock()
7492 		if (smb_lock->zero_len) {  in smb2_lock()
7497 		rc = vfs_lock_file(filp, smb_lock->cmd, flock, NULL);  in smb2_lock()
7499 		if (smb_lock->flags & SMB2_LOCKFLAG_UNLOCK) {  in smb2_lock()
7502 			} else if (rc == -ENOENT) {  in smb2_lock()
7503 				rsp->hdr.Status = STATUS_NOT_LOCKED;  in smb2_lock()
7514 				list_add(&smb_lock->llist, &rollback_list);  in smb2_lock()
7518 					err = -ENOMEM;  in smb2_lock()
7528 					err = -ENOMEM;  in smb2_lock()
7531 				spin_lock(&fp->f_lock);  in smb2_lock()
7532 				list_add(&work->fp_entry, &fp->blocked_works);  in smb2_lock()
7533 				spin_unlock(&fp->f_lock);  in smb2_lock()
7539 				spin_lock(&fp->f_lock);  in smb2_lock()
7540 				list_del(&work->fp_entry);  in smb2_lock()
7541 				spin_unlock(&fp->f_lock);  in smb2_lock()
7543 				if (work->state != KSMBD_WORK_ACTIVE) {  in smb2_lock()
7544 					list_del(&smb_lock->llist);  in smb2_lock()
7547 					if (work->state == KSMBD_WORK_CANCELLED) {  in smb2_lock()
7548 						rsp->hdr.Status =  in smb2_lock()
7553 						work->send_no_response = 1;  in smb2_lock()
7557 					rsp->hdr.Status =  in smb2_lock()
7563 				list_del(&smb_lock->llist);  in smb2_lock()
7567 				list_add(&smb_lock->llist, &rollback_list);  in smb2_lock()
7568 				spin_lock(&work->conn->llist_lock);  in smb2_lock()
7569 				list_add_tail(&smb_lock->clist,  in smb2_lock()
7570 					      &work->conn->lock_list);  in smb2_lock()
7571 				list_add_tail(&smb_lock->flist,  in smb2_lock()
7572 					      &fp->lock_list);  in smb2_lock()
7573 				spin_unlock(&work->conn->llist_lock);  in smb2_lock()
7581 	if (atomic_read(&fp->f_ci->op_count) > 1)  in smb2_lock()
7584 	rsp->StructureSize = cpu_to_le16(4);  in smb2_lock()
7586 	rsp->hdr.Status = STATUS_SUCCESS;  in smb2_lock()
7587 	rsp->Reserved = 0;  in smb2_lock()
7597 		locks_free_lock(smb_lock->fl);  in smb2_lock()
7598 		list_del(&smb_lock->llist);  in smb2_lock()
7606 		rlock->c.flc_type = F_UNLCK;  in smb2_lock()
7607 		rlock->fl_start = smb_lock->start;  in smb2_lock()
7608 		rlock->fl_end = smb_lock->end;  in smb2_lock()
7614 		list_del(&smb_lock->llist);  in smb2_lock()
7615 		spin_lock(&work->conn->llist_lock);  in smb2_lock()
7616 		if (!list_empty(&smb_lock->flist))  in smb2_lock()
7617 			list_del(&smb_lock->flist);  in smb2_lock()
7618 		list_del(&smb_lock->clist);  in smb2_lock()
7619 		spin_unlock(&work->conn->llist_lock);  in smb2_lock()
7621 		locks_free_lock(smb_lock->fl);  in smb2_lock()
7628 	if (!rsp->hdr.Status) {  in smb2_lock()
7629 		if (err == -EINVAL)  in smb2_lock()
7630 			rsp->hdr.Status = STATUS_INVALID_PARAMETER;  in smb2_lock()
7631 		else if (err == -ENOMEM)  in smb2_lock()
7632 			rsp->hdr.Status = STATUS_INSUFFICIENT_RESOURCES;  in smb2_lock()
7633 		else if (err == -ENOENT)  in smb2_lock()
7634 			rsp->hdr.Status = STATUS_FILE_CLOSED;  in smb2_lock()
7636 			rsp->hdr.Status = STATUS_LOCK_NOT_GRANTED;  in smb2_lock()
7660 	ci_rsp = (struct copychunk_ioctl_rsp *)&rsp->Buffer[0];  in fsctl_copychunk()
7662 	rsp->VolatileFileId = volatile_id;  in fsctl_copychunk()
7663 	rsp->PersistentFileId = persistent_id;  in fsctl_copychunk()
7664 	ci_rsp->ChunksWritten =  in fsctl_copychunk()
7666 	ci_rsp->ChunkBytesWritten =  in fsctl_copychunk()
7668 	ci_rsp->TotalBytesWritten =  in fsctl_copychunk()
7671 	chunk_count = le32_to_cpu(ci_req->ChunkCount);  in fsctl_copychunk()
7679 		rsp->hdr.Status = STATUS_INVALID_PARAMETER;  in fsctl_copychunk()
7680 		return -EINVAL;  in fsctl_copychunk()
7683 	chunks = &ci_req->Chunks[0];  in fsctl_copychunk()
7693 		rsp->hdr.Status = STATUS_INVALID_PARAMETER;  in fsctl_copychunk()
7694 		return -EINVAL;  in fsctl_copychunk()
7698 					 le64_to_cpu(ci_req->ResumeKey[0]));  in fsctl_copychunk()
7700 	ret = -EINVAL;  in fsctl_copychunk()
7702 	    src_fp->persistent_id != le64_to_cpu(ci_req->ResumeKey[1])) {  in fsctl_copychunk()
7703 		rsp->hdr.Status = STATUS_OBJECT_NAME_NOT_FOUND;  in fsctl_copychunk()
7708 		rsp->hdr.Status = STATUS_FILE_CLOSED;  in fsctl_copychunk()
7717 	    !(dst_fp->daccess & (FILE_READ_DATA_LE | FILE_GENERIC_READ_LE))) {  in fsctl_copychunk()
7718 		rsp->hdr.Status = STATUS_ACCESS_DENIED;  in fsctl_copychunk()
7728 		if (ret == -EACCES)  in fsctl_copychunk()
7729 			rsp->hdr.Status = STATUS_ACCESS_DENIED;  in fsctl_copychunk()
7730 		if (ret == -EAGAIN)  in fsctl_copychunk()
7731 			rsp->hdr.Status = STATUS_FILE_LOCK_CONFLICT;  in fsctl_copychunk()
7732 		else if (ret == -EBADF)  in fsctl_copychunk()
7733 			rsp->hdr.Status = STATUS_INVALID_HANDLE;  in fsctl_copychunk()
7734 		else if (ret == -EFBIG || ret == -ENOSPC)  in fsctl_copychunk()
7735 			rsp->hdr.Status = STATUS_DISK_FULL;  in fsctl_copychunk()
7736 		else if (ret == -EINVAL)  in fsctl_copychunk()
7737 			rsp->hdr.Status = STATUS_INVALID_PARAMETER;  in fsctl_copychunk()
7738 		else if (ret == -EISDIR)  in fsctl_copychunk()
7739 			rsp->hdr.Status = STATUS_FILE_IS_A_DIRECTORY;  in fsctl_copychunk()
7740 		else if (ret == -E2BIG)  in fsctl_copychunk()
7741 			rsp->hdr.Status = STATUS_INVALID_VIEW_SIZE;  in fsctl_copychunk()
7743 			rsp->hdr.Status = STATUS_UNEXPECTED_IO_ERROR;  in fsctl_copychunk()
7746 	ci_rsp->ChunksWritten = cpu_to_le32(chunk_count_written);  in fsctl_copychunk()
7747 	ci_rsp->ChunkBytesWritten = cpu_to_le32(chunk_size_written);  in fsctl_copychunk()
7748 	ci_rsp->TotalBytesWritten = cpu_to_le32(total_size_written);  in fsctl_copychunk()
7763 		if (ifa->ifa_flags & IFA_F_SECONDARY)  in idev_ipv4_address()
7766 		addr = ifa->ifa_address;  in idev_ipv4_address()
7788 		if (netdev->type == ARPHRD_LOOPBACK)  in fsctl_query_iface_info_ioctl()
7791 		if (!ksmbd_find_netdev_name_iface_list(netdev->name))  in fsctl_query_iface_info_ioctl()
7801 			return -ENOSPC;  in fsctl_query_iface_info_ioctl()
7805 				&rsp->Buffer[nbytes];  in fsctl_query_iface_info_ioctl()
7806 		nii_rsp->IfIndex = cpu_to_le32(netdev->ifindex);  in fsctl_query_iface_info_ioctl()
7808 		nii_rsp->Capability = 0;  in fsctl_query_iface_info_ioctl()
7809 		if (netdev->real_num_tx_queues > 1)  in fsctl_query_iface_info_ioctl()
7810 			nii_rsp->Capability |= cpu_to_le32(RSS_CAPABLE);  in fsctl_query_iface_info_ioctl()
7812 			nii_rsp->Capability |= cpu_to_le32(RDMA_CAPABLE);  in fsctl_query_iface_info_ioctl()
7814 		nii_rsp->Next = cpu_to_le32(152);  in fsctl_query_iface_info_ioctl()
7815 		nii_rsp->Reserved = 0;  in fsctl_query_iface_info_ioctl()
7817 		if (netdev->ethtool_ops->get_link_ksettings) {  in fsctl_query_iface_info_ioctl()
7820 			netdev->ethtool_ops->get_link_ksettings(netdev, &cmd);  in fsctl_query_iface_info_ioctl()
7823 			ksmbd_debug(SMB, "%s %s\n", netdev->name,  in fsctl_query_iface_info_ioctl()
7829 		nii_rsp->LinkSpeed = cpu_to_le64(speed);  in fsctl_query_iface_info_ioctl()
7832 					nii_rsp->SockAddr_Storage;  in fsctl_query_iface_info_ioctl()
7838 			sockaddr_storage->Family = cpu_to_le16(INTERNETWORK);  in fsctl_query_iface_info_ioctl()
7839 			sockaddr_storage->addr4.Port = 0;  in fsctl_query_iface_info_ioctl()
7844 			sockaddr_storage->addr4.IPv4address =  in fsctl_query_iface_info_ioctl()
7852 			__u8 *ipv6_addr = sockaddr_storage->addr6.IPv6address;  in fsctl_query_iface_info_ioctl()
7854 			sockaddr_storage->Family = cpu_to_le16(INTERNETWORKV6);  in fsctl_query_iface_info_ioctl()
7855 			sockaddr_storage->addr6.Port = 0;  in fsctl_query_iface_info_ioctl()
7856 			sockaddr_storage->addr6.FlowInfo = 0;  in fsctl_query_iface_info_ioctl()
7862 			list_for_each_entry(ifa, &idev6->addr_list, if_list) {  in fsctl_query_iface_info_ioctl()
7863 				if (ifa->flags & (IFA_F_TENTATIVE |  in fsctl_query_iface_info_ioctl()
7866 				memcpy(ipv6_addr, ifa->addr.s6_addr, 16);  in fsctl_query_iface_info_ioctl()
7869 			sockaddr_storage->addr6.ScopeId = 0;  in fsctl_query_iface_info_ioctl()
7877 		nii_rsp->Next = 0;  in fsctl_query_iface_info_ioctl()
7879 	rsp->PersistentFileId = SMB2_NO_FID;  in fsctl_query_iface_info_ioctl()
7880 	rsp->VolatileFileId = SMB2_NO_FID;  in fsctl_query_iface_info_ioctl()
7893 			le16_to_cpu(neg_req->DialectCount) * sizeof(__le16))  in fsctl_validate_negotiate_info()
7894 		return -EINVAL;  in fsctl_validate_negotiate_info()
7896 	dialect = ksmbd_lookup_dialect_by_id(neg_req->Dialects,  in fsctl_validate_negotiate_info()
7897 					     neg_req->DialectCount);  in fsctl_validate_negotiate_info()
7898 	if (dialect == BAD_PROT_ID || dialect != conn->dialect) {  in fsctl_validate_negotiate_info()
7899 		ret = -EINVAL;  in fsctl_validate_negotiate_info()
7903 	if (strncmp(neg_req->Guid, conn->ClientGUID, SMB2_CLIENT_GUID_SIZE)) {  in fsctl_validate_negotiate_info()
7904 		ret = -EINVAL;  in fsctl_validate_negotiate_info()
7908 	if (le16_to_cpu(neg_req->SecurityMode) != conn->cli_sec_mode) {  in fsctl_validate_negotiate_info()
7909 		ret = -EINVAL;  in fsctl_validate_negotiate_info()
7913 	if (le32_to_cpu(neg_req->Capabilities) != conn->cli_cap) {  in fsctl_validate_negotiate_info()
7914 		ret = -EINVAL;  in fsctl_validate_negotiate_info()
7918 	neg_rsp->Capabilities = cpu_to_le32(conn->vals->capabilities);  in fsctl_validate_negotiate_info()
7919 	memset(neg_rsp->Guid, 0, SMB2_CLIENT_GUID_SIZE);  in fsctl_validate_negotiate_info()
7920 	neg_rsp->SecurityMode = cpu_to_le16(conn->srv_sec_mode);  in fsctl_validate_negotiate_info()
7921 	neg_rsp->Dialect = cpu_to_le16(conn->dialect);  in fsctl_validate_negotiate_info()
7937 		return -EINVAL;  in fsctl_query_allocated_ranges()
7939 	start = le64_to_cpu(qar_req->file_offset);  in fsctl_query_allocated_ranges()
7940 	length = le64_to_cpu(qar_req->length);  in fsctl_query_allocated_ranges()
7943 		return -EINVAL;  in fsctl_query_allocated_ranges()
7947 		return -ENOENT;  in fsctl_query_allocated_ranges()
7951 	if (ret && ret != -E2BIG)  in fsctl_query_allocated_ranges()
7964 	char *data_buf = (char *)req + le32_to_cpu(req->InputOffset);  in fsctl_pipe_transceive()
7967 	rpc_resp = ksmbd_rpc_ioctl(work->sess, id, data_buf,  in fsctl_pipe_transceive()
7968 				   le32_to_cpu(req->InputCount));  in fsctl_pipe_transceive()
7970 		if (rpc_resp->flags == KSMBD_RPC_SOME_NOT_MAPPED) {  in fsctl_pipe_transceive()
7975 			rsp->hdr.Status = STATUS_SOME_NOT_MAPPED;  in fsctl_pipe_transceive()
7976 		} else if (rpc_resp->flags == KSMBD_RPC_ENOTIMPLEMENTED) {  in fsctl_pipe_transceive()
7977 			rsp->hdr.Status = STATUS_NOT_SUPPORTED;  in fsctl_pipe_transceive()
7979 		} else if (rpc_resp->flags != KSMBD_RPC_OK) {  in fsctl_pipe_transceive()
7980 			rsp->hdr.Status = STATUS_INVALID_PARAMETER;  in fsctl_pipe_transceive()
7984 		nbytes = rpc_resp->payload_sz;  in fsctl_pipe_transceive()
7985 		if (rpc_resp->payload_sz > out_buf_len) {  in fsctl_pipe_transceive()
7986 			rsp->hdr.Status = STATUS_BUFFER_OVERFLOW;  in fsctl_pipe_transceive()
7990 		if (!rpc_resp->payload_sz) {  in fsctl_pipe_transceive()
7991 			rsp->hdr.Status =  in fsctl_pipe_transceive()
7996 		memcpy((char *)rsp->Buffer, rpc_resp->payload, nbytes);  in fsctl_pipe_transceive()
8013 		return -ENOENT;  in fsctl_set_sparse()
8014 	idmap = file_mnt_idmap(fp->filp);  in fsctl_set_sparse()
8016 	old_fattr = fp->f_ci->m_fattr;  in fsctl_set_sparse()
8017 	if (sparse->SetSparse)  in fsctl_set_sparse()
8018 		fp->f_ci->m_fattr |= FILE_ATTRIBUTE_SPARSE_FILE_LE;  in fsctl_set_sparse()
8020 		fp->f_ci->m_fattr &= ~FILE_ATTRIBUTE_SPARSE_FILE_LE;  in fsctl_set_sparse()
8022 	if (fp->f_ci->m_fattr != old_fattr &&  in fsctl_set_sparse()
8023 	    test_share_config_flag(work->tcon->share_conf,  in fsctl_set_sparse()
8028 						     fp->filp->f_path.dentry, &da);  in fsctl_set_sparse()
8032 		da.attr = le32_to_cpu(fp->f_ci->m_fattr);  in fsctl_set_sparse()
8034 						     &fp->filp->f_path,  in fsctl_set_sparse()
8037 			fp->f_ci->m_fattr = old_fattr;  in fsctl_set_sparse()
8051 	fp = ksmbd_lookup_fd_slow(work, req->VolatileFileId, req->PersistentFileId);  in fsctl_request_resume_key()
8053 		return -ENOENT;  in fsctl_request_resume_key()
8056 	key_rsp->ResumeKey[0] = req->VolatileFileId;  in fsctl_request_resume_key()
8057 	key_rsp->ResumeKey[1] = req->PersistentFileId;  in fsctl_request_resume_key()
8064  * smb2_ioctl() - handler for smb2 ioctl command
8075 	struct ksmbd_conn *conn = work->conn;  in smb2_ioctl()
8081 	if (work->next_smb2_rcv_hdr_off) {  in smb2_ioctl()
8084 		if (!has_file_id(req->VolatileFileId)) {  in smb2_ioctl()
8086 				    work->compound_fid);  in smb2_ioctl()
8087 			id = work->compound_fid;  in smb2_ioctl()
8090 		req = smb2_get_msg(work->request_buf);  in smb2_ioctl()
8091 		rsp = smb2_get_msg(work->response_buf);  in smb2_ioctl()
8095 		id = req->VolatileFileId;  in smb2_ioctl()
8097 	if (req->Flags != cpu_to_le32(SMB2_0_IOCTL_IS_FSCTL)) {  in smb2_ioctl()
8098 		rsp->hdr.Status = STATUS_NOT_SUPPORTED;  in smb2_ioctl()
8102 	buffer = (char *)req + le32_to_cpu(req->InputOffset);  in smb2_ioctl()
8104 	cnt_code = le32_to_cpu(req->CtlCode);  in smb2_ioctl()
8106 					le32_to_cpu(req->MaxOutputResponse));  in smb2_ioctl()
8108 		rsp->hdr.Status = STATUS_INVALID_PARAMETER;  in smb2_ioctl()
8112 	in_buf_len = le32_to_cpu(req->InputCount);  in smb2_ioctl()
8118 		rsp->hdr.Status = STATUS_FS_DRIVER_REQUIRED;  in smb2_ioctl()
8126 			&rsp->Buffer[0];  in smb2_ioctl()
8132 		memset(obj_buf->ObjectId, 0x0, 16);  in smb2_ioctl()
8133 		memset(obj_buf->BirthVolumeId, 0x0, 16);  in smb2_ioctl()
8134 		memset(obj_buf->BirthObjectId, 0x0, 16);  in smb2_ioctl()
8135 		memset(obj_buf->DomainId, 0x0, 16);  in smb2_ioctl()
8144 		if (conn->dialect < SMB30_PROT_ID) {  in smb2_ioctl()
8145 			ret = -EOPNOTSUPP;  in smb2_ioctl()
8151 			ret = -EINVAL;  in smb2_ioctl()
8156 			ret = -EINVAL;  in smb2_ioctl()
8162 			(struct validate_negotiate_info_rsp *)&rsp->Buffer[0],  in smb2_ioctl()
8168 		rsp->PersistentFileId = SMB2_NO_FID;  in smb2_ioctl()
8169 		rsp->VolatileFileId = SMB2_NO_FID;  in smb2_ioctl()
8179 			ret = -EINVAL;  in smb2_ioctl()
8184 					       (struct resume_key_ioctl_rsp *)&rsp->Buffer[0]);  in smb2_ioctl()
8187 		rsp->PersistentFileId = req->PersistentFileId;  in smb2_ioctl()
8188 		rsp->VolatileFileId = req->VolatileFileId;  in smb2_ioctl()
8193 		if (!test_tree_conn_flag(work->tcon, KSMBD_TREE_CONN_FLAG_WRITABLE)) {  in smb2_ioctl()
8196 			ret = -EACCES;  in smb2_ioctl()
8201 			ret = -EINVAL;  in smb2_ioctl()
8206 			ret = -EINVAL;  in smb2_ioctl()
8211 		rsp->VolatileFileId = req->VolatileFileId;  in smb2_ioctl()
8212 		rsp->PersistentFileId = req->PersistentFileId;  in smb2_ioctl()
8215 				le32_to_cpu(req->CtlCode),  in smb2_ioctl()
8216 				le32_to_cpu(req->InputCount),  in smb2_ioctl()
8217 				req->VolatileFileId,  in smb2_ioctl()
8218 				req->PersistentFileId,  in smb2_ioctl()
8223 			ret = -EINVAL;  in smb2_ioctl()
8237 		if (!test_tree_conn_flag(work->tcon, KSMBD_TREE_CONN_FLAG_WRITABLE)) {  in smb2_ioctl()
8240 			ret = -EACCES;  in smb2_ioctl()
8245 			ret = -EINVAL;  in smb2_ioctl()
8252 		off = le64_to_cpu(zero_data->FileOffset);  in smb2_ioctl()
8253 		bfz = le64_to_cpu(zero_data->BeyondFinalZero);  in smb2_ioctl()
8255 			ret = -EINVAL;  in smb2_ioctl()
8259 		len = bfz - off;  in smb2_ioctl()
8263 				ret = -ENOENT;  in smb2_ioctl()
8276 			ret = -EINVAL;  in smb2_ioctl()
8282 			(struct file_allocated_range_buffer *)&rsp->Buffer[0],  in smb2_ioctl()
8285 		if (ret == -E2BIG) {  in smb2_ioctl()
8286 			rsp->hdr.Status = STATUS_BUFFER_OVERFLOW;  in smb2_ioctl()
8299 		reparse_ptr = (struct reparse_data_buffer *)&rsp->Buffer[0];  in smb2_ioctl()
8303 			ret = -ENOENT;  in smb2_ioctl()
8307 		reparse_ptr->ReparseTag =  in smb2_ioctl()
8308 			smb2_get_reparse_tag_special_file(file_inode(fp->filp)->i_mode);  in smb2_ioctl()
8309 		reparse_ptr->ReparseDataLength = 0;  in smb2_ioctl()
8321 			ret = -EINVAL;  in smb2_ioctl()
8327 		fp_in = ksmbd_lookup_fd_slow(work, dup_ext->VolatileFileHandle,  in smb2_ioctl()
8328 					     dup_ext->PersistentFileHandle);  in smb2_ioctl()
8331 			ret = -ENOENT;  in smb2_ioctl()
8338 			ret = -ENOENT;  in smb2_ioctl()
8342 		src_off = le64_to_cpu(dup_ext->SourceFileOffset);  in smb2_ioctl()
8343 		dst_off = le64_to_cpu(dup_ext->TargetFileOffset);  in smb2_ioctl()
8344 		length = le64_to_cpu(dup_ext->ByteCount);  in smb2_ioctl()
8348 		 * beneficial when re-exporting nfs/smb mount, but note that  in smb2_ioctl()
8354 		cloned = vfs_clone_file_range(fp_in->filp, src_off,  in smb2_ioctl()
8355 					      fp_out->filp, dst_off, length, 0);  in smb2_ioctl()
8356 		if (cloned == -EXDEV || cloned == -EOPNOTSUPP) {  in smb2_ioctl()
8357 			ret = -EOPNOTSUPP;  in smb2_ioctl()
8360 			cloned = vfs_copy_file_range(fp_in->filp, src_off,  in smb2_ioctl()
8361 						     fp_out->filp, dst_off,  in smb2_ioctl()
8367 					ret = -EINVAL;  in smb2_ioctl()
8381 		ret = -EOPNOTSUPP;  in smb2_ioctl()
8385 	rsp->CtlCode = cpu_to_le32(cnt_code);  in smb2_ioctl()
8386 	rsp->InputCount = cpu_to_le32(0);  in smb2_ioctl()
8387 	rsp->InputOffset = cpu_to_le32(112);  in smb2_ioctl()
8388 	rsp->OutputOffset = cpu_to_le32(112);  in smb2_ioctl()
8389 	rsp->OutputCount = cpu_to_le32(nbytes);  in smb2_ioctl()
8390 	rsp->StructureSize = cpu_to_le16(49);  in smb2_ioctl()
8391 	rsp->Reserved = cpu_to_le16(0);  in smb2_ioctl()
8392 	rsp->Flags = cpu_to_le32(0);  in smb2_ioctl()
8393 	rsp->Reserved2 = cpu_to_le32(0);  in smb2_ioctl()
8399 	if (ret == -EACCES)  in smb2_ioctl()
8400 		rsp->hdr.Status = STATUS_ACCESS_DENIED;  in smb2_ioctl()
8401 	else if (ret == -ENOENT)  in smb2_ioctl()
8402 		rsp->hdr.Status = STATUS_OBJECT_NAME_NOT_FOUND;  in smb2_ioctl()
8403 	else if (ret == -EOPNOTSUPP)  in smb2_ioctl()
8404 		rsp->hdr.Status = STATUS_NOT_SUPPORTED;  in smb2_ioctl()
8405 	else if (ret == -ENOSPC)  in smb2_ioctl()
8406 		rsp->hdr.Status = STATUS_BUFFER_TOO_SMALL;  in smb2_ioctl()
8407 	else if (ret < 0 || rsp->hdr.Status == 0)  in smb2_ioctl()
8408 		rsp->hdr.Status = STATUS_INVALID_PARAMETER;  in smb2_ioctl()
8414  * smb20_oplock_break_ack() - handler for smb2.0 oplock break command
8433 	volatile_id = req->VolatileFid;  in smb20_oplock_break_ack()
8434 	persistent_id = req->PersistentFid;  in smb20_oplock_break_ack()
8435 	req_oplevel = req->OplockLevel;  in smb20_oplock_break_ack()
8441 		rsp->hdr.Status = STATUS_FILE_CLOSED;  in smb20_oplock_break_ack()
8449 		rsp->hdr.Status = STATUS_INVALID_OPLOCK_PROTOCOL;  in smb20_oplock_break_ack()
8455 	if (opinfo->level == SMB2_OPLOCK_LEVEL_NONE) {  in smb20_oplock_break_ack()
8456 		rsp->hdr.Status = STATUS_INVALID_OPLOCK_PROTOCOL;  in smb20_oplock_break_ack()
8460 	if (opinfo->op_state == OPLOCK_STATE_NONE) {  in smb20_oplock_break_ack()
8461 		ksmbd_debug(SMB, "unexpected oplock state 0x%x\n", opinfo->op_state);  in smb20_oplock_break_ack()
8462 		rsp->hdr.Status = STATUS_UNSUCCESSFUL;  in smb20_oplock_break_ack()
8466 	if ((opinfo->level == SMB2_OPLOCK_LEVEL_EXCLUSIVE ||  in smb20_oplock_break_ack()
8467 	     opinfo->level == SMB2_OPLOCK_LEVEL_BATCH) &&  in smb20_oplock_break_ack()
8472 	} else if (opinfo->level == SMB2_OPLOCK_LEVEL_II &&  in smb20_oplock_break_ack()
8479 		if ((opinfo->level == SMB2_OPLOCK_LEVEL_EXCLUSIVE ||  in smb20_oplock_break_ack()
8480 		     opinfo->level == SMB2_OPLOCK_LEVEL_BATCH) &&  in smb20_oplock_break_ack()
8483 		} else if ((opinfo->level == SMB2_OPLOCK_LEVEL_EXCLUSIVE ||  in smb20_oplock_break_ack()
8484 			    opinfo->level == SMB2_OPLOCK_LEVEL_BATCH) &&  in smb20_oplock_break_ack()
8487 		} else if (opinfo->level == SMB2_OPLOCK_LEVEL_II &&  in smb20_oplock_break_ack()
8511 		pr_err("unknown oplock change 0x%x -> 0x%x\n",  in smb20_oplock_break_ack()
8512 		       opinfo->level, rsp_oplevel);  in smb20_oplock_break_ack()
8516 		rsp->hdr.Status = err;  in smb20_oplock_break_ack()
8520 	opinfo->op_state = OPLOCK_STATE_NONE;  in smb20_oplock_break_ack()
8521 	wake_up_interruptible_all(&opinfo->oplock_q);  in smb20_oplock_break_ack()
8525 	rsp->StructureSize = cpu_to_le16(24);  in smb20_oplock_break_ack()
8526 	rsp->OplockLevel = rsp_oplevel;  in smb20_oplock_break_ack()
8527 	rsp->Reserved = 0;  in smb20_oplock_break_ack()
8528 	rsp->Reserved2 = 0;  in smb20_oplock_break_ack()
8529 	rsp->VolatileFid = volatile_id;  in smb20_oplock_break_ack()
8530 	rsp->PersistentFid = persistent_id;  in smb20_oplock_break_ack()
8536 	opinfo->op_state = OPLOCK_STATE_NONE;  in smb20_oplock_break_ack()
8537 	wake_up_interruptible_all(&opinfo->oplock_q);  in smb20_oplock_break_ack()
8546 	if ((lease->new_state ==  in check_lease_state()
8549 		lease->new_state = req_state;  in check_lease_state()
8553 	if (lease->new_state == req_state)  in check_lease_state()
8560  * smb21_lease_break_ack() - handler for smb2.1 lease break command
8567 	struct ksmbd_conn *conn = work->conn;  in smb21_lease_break_ack()
8580 		    le32_to_cpu(req->LeaseState));  in smb21_lease_break_ack()
8581 	opinfo = lookup_lease_in_table(conn, req->LeaseKey);  in smb21_lease_break_ack()
8585 		rsp->hdr.Status = STATUS_UNSUCCESSFUL;  in smb21_lease_break_ack()
8588 	lease = opinfo->o_lease;  in smb21_lease_break_ack()
8590 	if (opinfo->op_state == OPLOCK_STATE_NONE) {  in smb21_lease_break_ack()
8592 		       opinfo->op_state);  in smb21_lease_break_ack()
8593 		rsp->hdr.Status = STATUS_UNSUCCESSFUL;  in smb21_lease_break_ack()
8597 	if (check_lease_state(lease, req->LeaseState)) {  in smb21_lease_break_ack()
8598 		rsp->hdr.Status = STATUS_REQUEST_NOT_ACCEPTED;  in smb21_lease_break_ack()
8601 			    req->LeaseState, lease->new_state);  in smb21_lease_break_ack()
8605 	if (!atomic_read(&opinfo->breaking_cnt)) {  in smb21_lease_break_ack()
8606 		rsp->hdr.Status = STATUS_UNSUCCESSFUL;  in smb21_lease_break_ack()
8611 	if (req->LeaseState &  in smb21_lease_break_ack()
8614 		if (lease->state & SMB2_LEASE_WRITE_CACHING_LE)  in smb21_lease_break_ack()
8618 		ksmbd_debug(OPLOCK, "handle bad lease state 0x%x -> 0x%x\n",  in smb21_lease_break_ack()
8619 			    le32_to_cpu(lease->state),  in smb21_lease_break_ack()
8620 			    le32_to_cpu(req->LeaseState));  in smb21_lease_break_ack()
8621 	} else if (lease->state == SMB2_LEASE_READ_CACHING_LE &&  in smb21_lease_break_ack()
8622 		   req->LeaseState != SMB2_LEASE_NONE_LE) {  in smb21_lease_break_ack()
8625 		ksmbd_debug(OPLOCK, "handle bad lease state 0x%x -> 0x%x\n",  in smb21_lease_break_ack()
8626 			    le32_to_cpu(lease->state),  in smb21_lease_break_ack()
8627 			    le32_to_cpu(req->LeaseState));  in smb21_lease_break_ack()
8631 		if (req->LeaseState == SMB2_LEASE_NONE_LE) {  in smb21_lease_break_ack()
8632 			if (lease->state & SMB2_LEASE_WRITE_CACHING_LE)  in smb21_lease_break_ack()
8636 		} else if (req->LeaseState & SMB2_LEASE_READ_CACHING_LE) {  in smb21_lease_break_ack()
8637 			if (lease->state & SMB2_LEASE_WRITE_CACHING_LE)  in smb21_lease_break_ack()
8660 		ksmbd_debug(OPLOCK, "unknown lease change 0x%x -> 0x%x\n",  in smb21_lease_break_ack()
8661 			    le32_to_cpu(lease->state),  in smb21_lease_break_ack()
8662 			    le32_to_cpu(req->LeaseState));  in smb21_lease_break_ack()
8666 		rsp->hdr.Status = err;  in smb21_lease_break_ack()
8670 	lease_state = lease->state;  in smb21_lease_break_ack()
8671 	opinfo->op_state = OPLOCK_STATE_NONE;  in smb21_lease_break_ack()
8672 	wake_up_interruptible_all(&opinfo->oplock_q);  in smb21_lease_break_ack()
8673 	atomic_dec(&opinfo->breaking_cnt);  in smb21_lease_break_ack()
8674 	wake_up_interruptible_all(&opinfo->oplock_brk);  in smb21_lease_break_ack()
8677 	rsp->StructureSize = cpu_to_le16(36);  in smb21_lease_break_ack()
8678 	rsp->Reserved = 0;  in smb21_lease_break_ack()
8679 	rsp->Flags = 0;  in smb21_lease_break_ack()
8680 	memcpy(rsp->LeaseKey, req->LeaseKey, 16);  in smb21_lease_break_ack()
8681 	rsp->LeaseState = lease_state;  in smb21_lease_break_ack()
8682 	rsp->LeaseDuration = 0;  in smb21_lease_break_ack()
8688 	wake_up_interruptible_all(&opinfo->oplock_q);  in smb21_lease_break_ack()
8689 	atomic_dec(&opinfo->breaking_cnt);  in smb21_lease_break_ack()
8690 	wake_up_interruptible_all(&opinfo->oplock_brk);  in smb21_lease_break_ack()
8697  * smb2_oplock_break() - dispatcher for smb2.0 and 2.1 oplock/lease break
8711 	switch (le16_to_cpu(req->StructureSize)) {  in smb2_oplock_break()
8720 			    le16_to_cpu(req->StructureSize));  in smb2_oplock_break()
8721 		rsp->hdr.Status = STATUS_INVALID_PARAMETER;  in smb2_oplock_break()
8729  * smb2_notify() - handler for smb2 notify request
8743 	if (work->next_smb2_rcv_hdr_off && req->hdr.NextCommand) {  in smb2_notify()
8744 		rsp->hdr.Status = STATUS_INTERNAL_ERROR;  in smb2_notify()
8750 	rsp->hdr.Status = STATUS_NOT_IMPLEMENTED;  in smb2_notify()
8755  * smb2_is_sign_req() - handler for checking packet signing status
8763 	struct smb2_hdr *rcv_hdr2 = smb2_get_msg(work->request_buf);  in smb2_is_sign_req()
8765 	if ((rcv_hdr2->Flags & SMB2_FLAGS_SIGNED) &&  in smb2_is_sign_req()
8775  * smb2_check_sign_req() - handler for req packet sign processing
8788 	hdr = smb2_get_msg(work->request_buf);  in smb2_check_sign_req()
8789 	if (work->next_smb2_rcv_hdr_off)  in smb2_check_sign_req()
8792 	if (!hdr->NextCommand && !work->next_smb2_rcv_hdr_off)  in smb2_check_sign_req()
8793 		len = get_rfc1002_len(work->request_buf);  in smb2_check_sign_req()
8794 	else if (hdr->NextCommand)  in smb2_check_sign_req()
8795 		len = le32_to_cpu(hdr->NextCommand);  in smb2_check_sign_req()
8797 		len = get_rfc1002_len(work->request_buf) -  in smb2_check_sign_req()
8798 			work->next_smb2_rcv_hdr_off;  in smb2_check_sign_req()
8800 	memcpy(signature_req, hdr->Signature, SMB2_SIGNATURE_SIZE);  in smb2_check_sign_req()
8801 	memset(hdr->Signature, 0, SMB2_SIGNATURE_SIZE);  in smb2_check_sign_req()
8803 	iov[0].iov_base = (char *)&hdr->ProtocolId;  in smb2_check_sign_req()
8806 	if (ksmbd_sign_smb2_pdu(work->conn, work->sess->sess_key, iov, 1,  in smb2_check_sign_req()
8819  * smb2_set_sign_rsp() - handler for rsp packet sign processing
8831 	hdr->Flags |= SMB2_FLAGS_SIGNED;  in smb2_set_sign_rsp()
8832 	memset(hdr->Signature, 0, SMB2_SIGNATURE_SIZE);  in smb2_set_sign_rsp()
8834 	if (hdr->Command == SMB2_READ) {  in smb2_set_sign_rsp()
8835 		iov = &work->iov[work->iov_idx - 1];  in smb2_set_sign_rsp()
8838 		iov = &work->iov[work->iov_idx];  in smb2_set_sign_rsp()
8841 	if (!ksmbd_sign_smb2_pdu(work->conn, work->sess->sess_key, iov, n_vec,  in smb2_set_sign_rsp()
8843 		memcpy(hdr->Signature, signature, SMB2_SIGNATURE_SIZE);  in smb2_set_sign_rsp()
8847  * smb3_check_sign_req() - handler for req packet sign processing
8854 	struct ksmbd_conn *conn = work->conn;  in smb3_check_sign_req()
8857 	struct channel *chann;  in smb3_check_sign_req()
8863 	hdr = smb2_get_msg(work->request_buf);  in smb3_check_sign_req()
8864 	if (work->next_smb2_rcv_hdr_off)  in smb3_check_sign_req()
8867 	if (!hdr->NextCommand && !work->next_smb2_rcv_hdr_off)  in smb3_check_sign_req()
8868 		len = get_rfc1002_len(work->request_buf);  in smb3_check_sign_req()
8869 	else if (hdr->NextCommand)  in smb3_check_sign_req()
8870 		len = le32_to_cpu(hdr->NextCommand);  in smb3_check_sign_req()
8872 		len = get_rfc1002_len(work->request_buf) -  in smb3_check_sign_req()
8873 			work->next_smb2_rcv_hdr_off;  in smb3_check_sign_req()
8875 	if (le16_to_cpu(hdr->Command) == SMB2_SESSION_SETUP_HE) {  in smb3_check_sign_req()
8876 		signing_key = work->sess->smb3signingkey;  in smb3_check_sign_req()
8878 		chann = lookup_chann_list(work->sess, conn);  in smb3_check_sign_req()
8882 		signing_key = chann->smb3signingkey;  in smb3_check_sign_req()
8890 	memcpy(signature_req, hdr->Signature, SMB2_SIGNATURE_SIZE);  in smb3_check_sign_req()
8891 	memset(hdr->Signature, 0, SMB2_SIGNATURE_SIZE);  in smb3_check_sign_req()
8892 	iov[0].iov_base = (char *)&hdr->ProtocolId;  in smb3_check_sign_req()
8907  * smb3_set_sign_rsp() - handler for rsp packet sign processing
8913 	struct ksmbd_conn *conn = work->conn;  in smb3_set_sign_rsp()
8915 	struct channel *chann;  in smb3_set_sign_rsp()
8923 	if (conn->binding == false &&  in smb3_set_sign_rsp()
8924 	    le16_to_cpu(hdr->Command) == SMB2_SESSION_SETUP_HE) {  in smb3_set_sign_rsp()
8925 		signing_key = work->sess->smb3signingkey;  in smb3_set_sign_rsp()
8927 		chann = lookup_chann_list(work->sess, work->conn);  in smb3_set_sign_rsp()
8931 		signing_key = chann->smb3signingkey;  in smb3_set_sign_rsp()
8937 	hdr->Flags |= SMB2_FLAGS_SIGNED;  in smb3_set_sign_rsp()
8938 	memset(hdr->Signature, 0, SMB2_SIGNATURE_SIZE);  in smb3_set_sign_rsp()
8940 	if (hdr->Command == SMB2_READ) {  in smb3_set_sign_rsp()
8941 		iov = &work->iov[work->iov_idx - 1];  in smb3_set_sign_rsp()
8944 		iov = &work->iov[work->iov_idx];  in smb3_set_sign_rsp()
8949 		memcpy(hdr->Signature, signature, SMB2_SIGNATURE_SIZE);  in smb3_set_sign_rsp()
8953  * smb3_preauth_hash_rsp() - handler for computing preauth hash on response
8959 	struct ksmbd_conn *conn = work->conn;  in smb3_preauth_hash_rsp()
8960 	struct ksmbd_session *sess = work->sess;  in smb3_preauth_hash_rsp()
8963 	if (conn->dialect != SMB311_PROT_ID)  in smb3_preauth_hash_rsp()
8968 	if (le16_to_cpu(req->Command) == SMB2_NEGOTIATE_HE &&  in smb3_preauth_hash_rsp()
8969 	    conn->preauth_info)  in smb3_preauth_hash_rsp()
8970 		ksmbd_gen_preauth_integrity_hash(conn, work->response_buf,  in smb3_preauth_hash_rsp()
8971 						 conn->preauth_info->Preauth_HashValue);  in smb3_preauth_hash_rsp()
8973 	if (le16_to_cpu(rsp->Command) == SMB2_SESSION_SETUP_HE && sess) {  in smb3_preauth_hash_rsp()
8976 		if (conn->binding) {  in smb3_preauth_hash_rsp()
8979 			preauth_sess = ksmbd_preauth_session_lookup(conn, sess->id);  in smb3_preauth_hash_rsp()
8982 			hash_value = preauth_sess->Preauth_HashValue;  in smb3_preauth_hash_rsp()
8984 			hash_value = sess->Preauth_HashValue;  in smb3_preauth_hash_rsp()
8988 		ksmbd_gen_preauth_integrity_hash(conn, work->response_buf,  in smb3_preauth_hash_rsp()
9000 	tr_hdr->ProtocolId = SMB2_TRANSFORM_PROTO_NUM;  in fill_transform_hdr()
9001 	tr_hdr->OriginalMessageSize = cpu_to_le32(orig_len);  in fill_transform_hdr()
9002 	tr_hdr->Flags = cpu_to_le16(TRANSFORM_FLAG_ENCRYPTED);  in fill_transform_hdr()
9005 		get_random_bytes(&tr_hdr->Nonce, SMB3_AES_GCM_NONCE);  in fill_transform_hdr()
9007 		get_random_bytes(&tr_hdr->Nonce, SMB3_AES_CCM_NONCE);  in fill_transform_hdr()
9008 	memcpy(&tr_hdr->SessionId, &hdr->SessionId, 8);  in fill_transform_hdr()
9015 	struct kvec *iov = work->iov;  in smb3_encrypt_resp()
9016 	int rc = -ENOMEM;  in smb3_encrypt_resp()
9024 	fill_transform_hdr(tr_buf, work->response_buf, work->conn->cipher_type);  in smb3_encrypt_resp()
9028 	work->tr_buf = tr_buf;  in smb3_encrypt_resp()
9030 	return ksmbd_crypt_message(work, iov, work->iov_idx + 1, 1);  in smb3_encrypt_resp()
9037 	return trhdr->ProtocolId == SMB2_TRANSFORM_PROTO_NUM;  in smb3_is_transform_hdr()
9043 	char *buf = work->request_buf;  in smb3_decrypt_req()
9046 	int buf_data_size = pdu_length - sizeof(struct smb2_transform_hdr);  in smb3_decrypt_req()
9054 		return -ECONNABORTED;  in smb3_decrypt_req()
9057 	if (buf_data_size < le32_to_cpu(tr_hdr->OriginalMessageSize)) {  in smb3_decrypt_req()
9059 		return -ECONNABORTED;  in smb3_decrypt_req()
9062 	sess = ksmbd_session_lookup_all(work->conn, le64_to_cpu(tr_hdr->SessionId));  in smb3_decrypt_req()
9065 		       le64_to_cpu(tr_hdr->SessionId));  in smb3_decrypt_req()
9066 		return -ECONNABORTED;  in smb3_decrypt_req()
9086 	struct ksmbd_conn *conn = work->conn;  in smb3_11_final_sess_setup_resp()
9087 	struct ksmbd_session *sess = work->sess;  in smb3_11_final_sess_setup_resp()
9088 	struct smb2_hdr *rsp = smb2_get_msg(work->response_buf);  in smb3_11_final_sess_setup_resp()
9090 	if (conn->dialect < SMB30_PROT_ID)  in smb3_11_final_sess_setup_resp()
9093 	if (work->next_smb2_rcv_hdr_off)  in smb3_11_final_sess_setup_resp()
9096 	if (le16_to_cpu(rsp->Command) == SMB2_SESSION_SETUP_HE &&  in smb3_11_final_sess_setup_resp()
9097 	    sess->user && !user_guest(sess->user) &&  in smb3_11_final_sess_setup_resp()
9098 	    rsp->Status == STATUS_SUCCESS)  in smb3_11_final_sess_setup_resp()