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 2013 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
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_2(op__Rename__start, smb_request_t *, sr,
76 struct dirop *, &sr->arg.dirop);
77
78 return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR);
79 }
80
81 void
82 smb_post_rename(smb_request_t *sr)
83 {
84 DTRACE_SMB_1(op__Rename__done, smb_request_t *, sr);
85 }
86
87 smb_sdrc_t
88 smb_com_rename(smb_request_t *sr)
89 {
90 smb_fqi_t *src_fqi = &sr->arg.dirop.fqi;
91 smb_fqi_t *dst_fqi = &sr->arg.dirop.dst_fqi;
92 smb_pathname_t *src_pn = &src_fqi->fq_path;
93 smb_pathname_t *dst_pn = &dst_fqi->fq_path;
94 uint32_t status;
95
96 if (!STYPE_ISDSK(sr->tid_tree->t_res_type)) {
97 smbsr_error(sr, NT_STATUS_ACCESS_DENIED,
98 ERRDOS, ERROR_ACCESS_DENIED);
99 return (SDRC_ERROR);
100 }
101
102 smb_pathname_init(sr, src_pn, src_pn->pn_path);
103 smb_pathname_init(sr, dst_pn, dst_pn->pn_path);
104 if (!smb_pathname_validate(sr, src_pn) ||
105 !smb_pathname_validate(sr, dst_pn)) {
106 return (SDRC_ERROR);
107 }
108
109 status = smb_common_rename(sr, src_fqi, dst_fqi);
110 if (status != 0) {
111 smbsr_error(sr, status, 0, 0);
112 return (SDRC_ERROR);
113 }
114
115 (void) smbsr_encode_empty_result(sr);
116 return (SDRC_SUCCESS);
117 }
118
119 /*
120 * smb_com_nt_rename
121 *
122 * Rename a file. Files OldFileName must exist and NewFileName must not.
123 * Both pathnames must be relative to the Tid specified in the request.
124 * Open files may be renamed.
125 *
126 * SearchAttributes indicates the attributes that the target file(s) must
127 * have. If SearchAttributes is zero then only normal files are renamed.
128 * If the system file or hidden attributes are specified then the rename
129 * is inclusive - both the specified type(s) of files and normal files are
130 * renamed.
131 */
132 smb_sdrc_t
133 smb_pre_nt_rename(smb_request_t *sr)
134 {
135 smb_fqi_t *src_fqi = &sr->arg.dirop.fqi;
136 smb_fqi_t *dst_fqi = &sr->arg.dirop.dst_fqi;
137 uint32_t clusters;
138 int rc;
139
140 rc = smbsr_decode_vwv(sr, "wwl", &src_fqi->fq_sattr,
141 &sr->arg.dirop.info_level, &clusters);
142 if (rc == 0) {
143 rc = smbsr_decode_data(sr, "%SS", sr,
144 &src_fqi->fq_path.pn_path, &dst_fqi->fq_path.pn_path);
145
146 dst_fqi->fq_sattr = 0;
147 }
148
149 DTRACE_SMB_2(op__NtRename__start, smb_request_t *, sr,
150 struct dirop *, &sr->arg.dirop);
151
152 return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR);
153 }
154
155 void
156 smb_post_nt_rename(smb_request_t *sr)
157 {
158 DTRACE_SMB_1(op__NtRename__done, smb_request_t *, sr);
159 }
160
161 smb_sdrc_t
162 smb_com_nt_rename(smb_request_t *sr)
163 {
164 smb_fqi_t *src_fqi = &sr->arg.dirop.fqi;
165 smb_fqi_t *dst_fqi = &sr->arg.dirop.dst_fqi;
166 smb_pathname_t *src_pn = &src_fqi->fq_path;
167 smb_pathname_t *dst_pn = &dst_fqi->fq_path;
168 uint32_t status;
169
170 if (!STYPE_ISDSK(sr->tid_tree->t_res_type)) {
171 smbsr_error(sr, NT_STATUS_ACCESS_DENIED,
172 ERRDOS, ERROR_ACCESS_DENIED);
173 return (SDRC_ERROR);
174 }
175
176 smb_pathname_init(sr, src_pn, src_pn->pn_path);
177 smb_pathname_init(sr, dst_pn, dst_pn->pn_path);
178 if (!smb_pathname_validate(sr, src_pn) ||
179 !smb_pathname_validate(sr, dst_pn)) {
180 return (SDRC_ERROR);
181 }
182
183 if (smb_contains_wildcards(src_pn->pn_path)) {
184 smbsr_error(sr, NT_STATUS_OBJECT_PATH_SYNTAX_BAD,
185 ERRDOS, ERROR_BAD_PATHNAME);
186 return (SDRC_ERROR);
187 }
188
189 switch (sr->arg.dirop.info_level) {
190 case SMB_NT_RENAME_SET_LINK_INFO:
191 status = smb_make_link(sr, src_fqi, dst_fqi);
192 break;
193 case SMB_NT_RENAME_RENAME_FILE:
194 case SMB_NT_RENAME_MOVE_FILE:
195 status = smb_common_rename(sr, src_fqi, dst_fqi);
196 break;
197 case SMB_NT_RENAME_MOVE_CLUSTER_INFO:
198 status = NT_STATUS_INVALID_PARAMETER;
199 break;
200 default:
201 status = NT_STATUS_ACCESS_DENIED;
202 break;
203 }
204
205 if (status != 0) {
206 smbsr_error(sr, status, 0, 0);
207 return (SDRC_ERROR);
208 }
209
210 (void) smbsr_encode_empty_result(sr);
211 return (SDRC_SUCCESS);
212 }
213
214 /*
215 * smb_nt_transact_rename
216 *
217 * Windows servers return SUCCESS without renaming file.
218 * The only check required is to check that the handle (fid) is valid.
219 */
220 smb_sdrc_t
221 smb_nt_transact_rename(smb_request_t *sr, smb_xa_t *xa)
222 {
223 if (smb_mbc_decodef(&xa->req_param_mb, "w", &sr->smb_fid) != 0)
224 return (SDRC_ERROR);
225
226 smbsr_lookup_file(sr);
227 if (sr->fid_ofile == NULL) {
228 smbsr_error(sr, NT_STATUS_INVALID_HANDLE, ERRDOS, ERRbadfid);
229 return (SDRC_ERROR);
230 }
231 smbsr_release_file(sr);
232
233 return (SDRC_SUCCESS);
234 }