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 (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
23 * Copyright 2017 Nexenta Systems, Inc. All rights reserved.
24 */
25
26 #include <sys/synch.h>
27 #include <smbsrv/smb_kproto.h>
28 #include <smbsrv/smb_fsops.h>
29 #include <sys/nbmlock.h>
30
31 /*
32 * NT_RENAME InformationLevels:
33 *
34 * SMB_NT_RENAME_MOVE_CLUSTER_INFO Server returns invalid parameter.
35 * SMB_NT_RENAME_SET_LINK_INFO Create a hard link to a file.
36 * SMB_NT_RENAME_RENAME_FILE In-place rename of a file.
37 * SMB_NT_RENAME_MOVE_FILE Move (rename) a file.
38 */
39 #define SMB_NT_RENAME_MOVE_CLUSTER_INFO 0x0102
40 #define SMB_NT_RENAME_SET_LINK_INFO 0x0103
41 #define SMB_NT_RENAME_RENAME_FILE 0x0104
42 #define SMB_NT_RENAME_MOVE_FILE 0x0105
43
44 /*
45 * smb_com_rename
46 *
47 * Rename a file. Files OldFileName must exist and NewFileName must not.
48 * Both pathnames must be relative to the Tid specified in the request.
49 * Open files may be renamed.
50 *
51 * Multiple files may be renamed in response to a single request as Rename
52 * File supports wildcards in the file name (last component of the path).
53 * NOTE: we don't support rename with wildcards.
54 *
55 * SearchAttributes indicates the attributes that the target file(s) must
56 * have. If SearchAttributes is zero then only normal files are renamed.
57 * If the system file or hidden attributes are specified then the rename
58 * is inclusive - both the specified type(s) of files and normal files are
59 * renamed.
60 */
61 smb_sdrc_t
smb_pre_rename(smb_request_t * sr)62 smb_pre_rename(smb_request_t *sr)
63 {
64 smb_fqi_t *src_fqi = &sr->arg.dirop.fqi;
65 smb_fqi_t *dst_fqi = &sr->arg.dirop.dst_fqi;
66 int rc;
67
68 if ((rc = smbsr_decode_vwv(sr, "w", &src_fqi->fq_sattr)) == 0) {
69 rc = smbsr_decode_data(sr, "%SS", sr, &src_fqi->fq_path.pn_path,
70 &dst_fqi->fq_path.pn_path);
71
72 dst_fqi->fq_sattr = 0;
73 }
74
75 DTRACE_SMB_START(op__Rename, smb_request_t *, sr); /* arg.dirop */
76
77 return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR);
78 }
79
80 void
smb_post_rename(smb_request_t * sr)81 smb_post_rename(smb_request_t *sr)
82 {
83 DTRACE_SMB_DONE(op__Rename, smb_request_t *, sr);
84 }
85
86 smb_sdrc_t
smb_com_rename(smb_request_t * sr)87 smb_com_rename(smb_request_t *sr)
88 {
89 smb_fqi_t *src_fqi = &sr->arg.dirop.fqi;
90 smb_fqi_t *dst_fqi = &sr->arg.dirop.dst_fqi;
91 smb_pathname_t *src_pn = &src_fqi->fq_path;
92 smb_pathname_t *dst_pn = &dst_fqi->fq_path;
93 uint32_t status;
94
95 if (!STYPE_ISDSK(sr->tid_tree->t_res_type)) {
96 smbsr_error(sr, NT_STATUS_ACCESS_DENIED,
97 ERRDOS, ERROR_ACCESS_DENIED);
98 return (SDRC_ERROR);
99 }
100
101 smb_pathname_init(sr, src_pn, src_pn->pn_path);
102 smb_pathname_init(sr, dst_pn, dst_pn->pn_path);
103 if (!smb_pathname_validate(sr, src_pn) ||
104 !smb_pathname_validate(sr, dst_pn)) {
105 return (SDRC_ERROR);
106 }
107
108 status = smb_common_rename(sr, src_fqi, dst_fqi);
109 if (status != 0) {
110 smbsr_error(sr, status, 0, 0);
111 return (SDRC_ERROR);
112 }
113
114 (void) smbsr_encode_empty_result(sr);
115 return (SDRC_SUCCESS);
116 }
117
118 /*
119 * smb_com_nt_rename
120 *
121 * Rename a file. Files OldFileName must exist and NewFileName must not.
122 * Both pathnames must be relative to the Tid specified in the request.
123 * Open files may be renamed.
124 *
125 * SearchAttributes indicates the attributes that the target file(s) must
126 * have. If SearchAttributes is zero then only normal files are renamed.
127 * If the system file or hidden attributes are specified then the rename
128 * is inclusive - both the specified type(s) of files and normal files are
129 * renamed.
130 */
131 smb_sdrc_t
smb_pre_nt_rename(smb_request_t * sr)132 smb_pre_nt_rename(smb_request_t *sr)
133 {
134 smb_fqi_t *src_fqi = &sr->arg.dirop.fqi;
135 smb_fqi_t *dst_fqi = &sr->arg.dirop.dst_fqi;
136 uint32_t clusters;
137 int rc;
138
139 rc = smbsr_decode_vwv(sr, "wwl", &src_fqi->fq_sattr,
140 &sr->arg.dirop.info_level, &clusters);
141 if (rc == 0) {
142 rc = smbsr_decode_data(sr, "%SS", sr,
143 &src_fqi->fq_path.pn_path, &dst_fqi->fq_path.pn_path);
144
145 dst_fqi->fq_sattr = 0;
146 }
147
148 DTRACE_SMB_START(op__NtRename, smb_request_t *, sr); /* arg.dirop */
149
150 return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR);
151 }
152
153 void
smb_post_nt_rename(smb_request_t * sr)154 smb_post_nt_rename(smb_request_t *sr)
155 {
156 DTRACE_SMB_DONE(op__NtRename, smb_request_t *, sr);
157 }
158
159 smb_sdrc_t
smb_com_nt_rename(smb_request_t * sr)160 smb_com_nt_rename(smb_request_t *sr)
161 {
162 smb_fqi_t *src_fqi = &sr->arg.dirop.fqi;
163 smb_fqi_t *dst_fqi = &sr->arg.dirop.dst_fqi;
164 smb_pathname_t *src_pn = &src_fqi->fq_path;
165 smb_pathname_t *dst_pn = &dst_fqi->fq_path;
166 uint32_t status;
167
168 if (!STYPE_ISDSK(sr->tid_tree->t_res_type)) {
169 smbsr_error(sr, NT_STATUS_ACCESS_DENIED,
170 ERRDOS, ERROR_ACCESS_DENIED);
171 return (SDRC_ERROR);
172 }
173
174 smb_pathname_init(sr, src_pn, src_pn->pn_path);
175 smb_pathname_init(sr, dst_pn, dst_pn->pn_path);
176 if (!smb_pathname_validate(sr, src_pn) ||
177 !smb_pathname_validate(sr, dst_pn)) {
178 return (SDRC_ERROR);
179 }
180
181 if (smb_contains_wildcards(src_pn->pn_path)) {
182 smbsr_error(sr, NT_STATUS_OBJECT_PATH_SYNTAX_BAD,
183 ERRDOS, ERROR_BAD_PATHNAME);
184 return (SDRC_ERROR);
185 }
186
187 switch (sr->arg.dirop.info_level) {
188 case SMB_NT_RENAME_SET_LINK_INFO:
189 status = smb_make_link(sr, src_fqi, dst_fqi);
190 break;
191 case SMB_NT_RENAME_RENAME_FILE:
192 case SMB_NT_RENAME_MOVE_FILE:
193 status = smb_common_rename(sr, src_fqi, dst_fqi);
194 break;
195 case SMB_NT_RENAME_MOVE_CLUSTER_INFO:
196 status = NT_STATUS_INVALID_PARAMETER;
197 break;
198 default:
199 status = NT_STATUS_ACCESS_DENIED;
200 break;
201 }
202
203 if (status != 0) {
204 smbsr_error(sr, status, 0, 0);
205 return (SDRC_ERROR);
206 }
207
208 (void) smbsr_encode_empty_result(sr);
209 return (SDRC_SUCCESS);
210 }
211
212 /*
213 * smb_nt_transact_rename
214 *
215 * Windows servers return SUCCESS without renaming file.
216 * The only check required is to check that the handle (fid) is valid.
217 */
218 smb_sdrc_t
smb_nt_transact_rename(smb_request_t * sr,smb_xa_t * xa)219 smb_nt_transact_rename(smb_request_t *sr, smb_xa_t *xa)
220 {
221 if (smb_mbc_decodef(&xa->req_param_mb, "w", &sr->smb_fid) != 0)
222 return (SDRC_ERROR);
223
224 smbsr_lookup_file(sr);
225 if (sr->fid_ofile == NULL) {
226 smbsr_error(sr, NT_STATUS_INVALID_HANDLE, ERRDOS, ERRbadfid);
227 return (SDRC_ERROR);
228 }
229 smbsr_release_file(sr);
230
231 return (SDRC_SUCCESS);
232 }
233