xref: /illumos-gate/usr/src/uts/common/fs/smbsrv/smb_close.c (revision 69b1fd3f24d0ee2e682883606201c61f52085805)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  *
25  * Copyright 2017 Nexenta Systems, Inc.  All rights reserved.
26  */
27 
28 #include <smbsrv/smb_kproto.h>
29 
30 /*
31  * Close a file by fid.  All locks or other resources held by the
32  * requesting process on the file should be released by the server.
33  * The requesting process can no longer use the fid for further
34  * file access requests.
35  *
36  * If LastWriteTime is non-zero, it should be used to set the file
37  * timestamp.  Otherwise, file system should set the timestamp.
38  * Failure to set the timestamp, even if requested by the client,
39  * should not result in an error response from the server.
40  */
41 smb_sdrc_t
42 smb_pre_close(smb_request_t *sr)
43 {
44 	int rc;
45 
46 	rc = smbsr_decode_vwv(sr, "wl", &sr->smb_fid, &sr->arg.timestamp);
47 
48 	DTRACE_SMB_START(op__Close, smb_request_t *, sr);
49 	return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR);
50 }
51 
52 void
53 smb_post_close(smb_request_t *sr)
54 {
55 	DTRACE_SMB_DONE(op__Close, smb_request_t *, sr);
56 }
57 
58 smb_sdrc_t
59 smb_com_close(smb_request_t *sr)
60 {
61 	int32_t mtime;
62 
63 	smbsr_lookup_file(sr);
64 	if (sr->fid_ofile == NULL) {
65 		smbsr_error(sr, NT_STATUS_INVALID_HANDLE, ERRDOS, ERRbadfid);
66 		return (SDRC_ERROR);
67 	}
68 
69 	mtime = smb_time_local_to_gmt(sr, sr->arg.timestamp);
70 	smb_ofile_close(sr->fid_ofile, mtime);
71 
72 	if (smbsr_encode_empty_result(sr) != 0)
73 		return (SDRC_ERROR);
74 
75 	return (SDRC_SUCCESS);
76 }
77 
78 /*
79  * Close the file represented by fid and then disconnect the
80  * associated tree.
81  */
82 smb_sdrc_t
83 smb_pre_close_and_tree_disconnect(smb_request_t *sr)
84 {
85 	int rc;
86 
87 	rc = smbsr_decode_vwv(sr, "wl", &sr->smb_fid, &sr->arg.timestamp);
88 
89 	DTRACE_SMB_START(op__CloseAndTreeDisconnect, smb_request_t *, sr);
90 	return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR);
91 }
92 
93 void
94 smb_post_close_and_tree_disconnect(smb_request_t *sr)
95 {
96 	DTRACE_SMB_DONE(op__CloseAndTreeDisconnect, smb_request_t *, sr);
97 }
98 
99 smb_sdrc_t
100 smb_com_close_and_tree_disconnect(smb_request_t *sr)
101 {
102 	int32_t mtime;
103 
104 	smbsr_lookup_file(sr);
105 	if (sr->fid_ofile == NULL) {
106 		smbsr_error(sr, NT_STATUS_INVALID_HANDLE, ERRDOS, ERRbadfid);
107 		return (SDRC_ERROR);
108 	}
109 
110 	mtime = smb_time_local_to_gmt(sr, sr->arg.timestamp);
111 	smb_ofile_close(sr->fid_ofile, mtime);
112 
113 	smb_tree_disconnect(sr->tid_tree, B_TRUE);
114 	smb_session_cancel_requests(sr->session, sr->tid_tree, sr);
115 
116 	if (smbsr_encode_empty_result(sr) != 0)
117 		return (SDRC_ERROR);
118 
119 	return (SDRC_SUCCESS);
120 }
121