Commit | Line | Data |
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be4cb9e3 PS |
1 | /* |
2 | * fs/cifs/smb2inode.c | |
3 | * | |
4 | * Copyright (C) International Business Machines Corp., 2002, 2011 | |
5 | * Etersoft, 2012 | |
6 | * Author(s): Pavel Shilovsky (pshilovsky@samba.org), | |
7 | * Steve French (sfrench@us.ibm.com) | |
8 | * | |
9 | * This library is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU Lesser General Public License as published | |
11 | * by the Free Software Foundation; either version 2.1 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This library is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See | |
17 | * the GNU Lesser General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU Lesser General Public License | |
20 | * along with this library; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
22 | */ | |
23 | #include <linux/fs.h> | |
24 | #include <linux/stat.h> | |
25 | #include <linux/slab.h> | |
26 | #include <linux/pagemap.h> | |
27 | #include <asm/div64.h> | |
28 | #include "cifsfs.h" | |
29 | #include "cifspdu.h" | |
30 | #include "cifsglob.h" | |
31 | #include "cifsproto.h" | |
32 | #include "cifs_debug.h" | |
33 | #include "cifs_fs_sb.h" | |
34 | #include "cifs_unicode.h" | |
35 | #include "fscache.h" | |
36 | #include "smb2glob.h" | |
37 | #include "smb2pdu.h" | |
38 | #include "smb2proto.h" | |
39 | ||
8191576a SF |
40 | static void |
41 | free_set_inf_compound(struct smb_rqst *rqst) | |
42 | { | |
43 | if (rqst[1].rq_iov) | |
44 | SMB2_set_info_free(&rqst[1]); | |
45 | if (rqst[2].rq_iov) | |
46 | SMB2_close_free(&rqst[2]); | |
47 | } | |
48 | ||
49 | ||
a7d5c294 RS |
50 | struct cop_vars { |
51 | struct cifs_open_parms oparms; | |
52 | struct kvec rsp_iov[3]; | |
53 | struct smb_rqst rqst[3]; | |
54 | struct kvec open_iov[SMB2_CREATE_IOV_SIZE]; | |
55 | struct kvec qi_iov[1]; | |
56 | struct kvec si_iov[SMB2_SET_INFO_IOV_SIZE]; | |
57 | struct kvec close_iov[1]; | |
58 | struct smb2_file_rename_info rename_info; | |
59 | struct smb2_file_link_info link_info; | |
60 | }; | |
61 | ||
c5a5f38f RS |
62 | static int |
63 | smb2_compound_op(const unsigned int xid, struct cifs_tcon *tcon, | |
64 | struct cifs_sb_info *cifs_sb, const char *full_path, | |
65 | __u32 desired_access, __u32 create_disposition, | |
c3ca78e2 | 66 | __u32 create_options, umode_t mode, void *ptr, int command, |
8de9e86c | 67 | struct cifsFileInfo *cfile) |
c5a5f38f | 68 | { |
a7d5c294 RS |
69 | struct cop_vars *vars = NULL; |
70 | struct kvec *rsp_iov; | |
71 | struct smb_rqst *rqst; | |
c5a5f38f RS |
72 | int rc; |
73 | __le16 *utf16_path = NULL; | |
74 | __u8 oplock = SMB2_OPLOCK_LEVEL_NONE; | |
c5a5f38f RS |
75 | struct cifs_fid fid; |
76 | struct cifs_ses *ses = tcon->ses; | |
352d96f3 | 77 | struct TCP_Server_Info *server; |
c5a5f38f | 78 | int num_rqst = 0; |
c5a5f38f | 79 | int resp_buftype[3]; |
c2e0fe3f | 80 | struct smb2_query_info_rsp *qi_rsp = NULL; |
c5a5f38f | 81 | int flags = 0; |
c2e0fe3f | 82 | __u8 delete_pending[8] = {1, 0, 0, 0, 0, 0, 0, 0}; |
bb435512 RS |
83 | unsigned int size[2]; |
84 | void *data[2]; | |
bb435512 | 85 | int len; |
c5a5f38f | 86 | |
a7d5c294 RS |
87 | vars = kzalloc(sizeof(*vars), GFP_ATOMIC); |
88 | if (vars == NULL) | |
89 | return -ENOMEM; | |
90 | rqst = &vars->rqst[0]; | |
91 | rsp_iov = &vars->rsp_iov[0]; | |
92 | ||
352d96f3 AA |
93 | server = cifs_pick_channel(ses); |
94 | ||
c5a5f38f RS |
95 | if (smb3_encryption_required(tcon)) |
96 | flags |= CIFS_TRANSFORM_REQ; | |
97 | ||
c5a5f38f | 98 | resp_buftype[0] = resp_buftype[1] = resp_buftype[2] = CIFS_NO_BUFFER; |
c5a5f38f | 99 | |
8de9e86c RS |
100 | /* We already have a handle so we can skip the open */ |
101 | if (cfile) | |
102 | goto after_open; | |
103 | ||
c5a5f38f RS |
104 | /* Open */ |
105 | utf16_path = cifs_convert_path_to_utf16(full_path, cifs_sb); | |
8de9e86c RS |
106 | if (!utf16_path) { |
107 | rc = -ENOMEM; | |
108 | goto finished; | |
109 | } | |
c5a5f38f | 110 | |
a7d5c294 RS |
111 | vars->oparms.tcon = tcon; |
112 | vars->oparms.desired_access = desired_access; | |
113 | vars->oparms.disposition = create_disposition; | |
114 | vars->oparms.create_options = cifs_create_options(cifs_sb, create_options); | |
115 | vars->oparms.fid = &fid; | |
116 | vars->oparms.reconnect = false; | |
117 | vars->oparms.mode = mode; | |
118 | ||
119 | rqst[num_rqst].rq_iov = &vars->open_iov[0]; | |
c5a5f38f | 120 | rqst[num_rqst].rq_nvec = SMB2_CREATE_IOV_SIZE; |
352d96f3 AA |
121 | rc = SMB2_open_init(tcon, server, |
122 | &rqst[num_rqst], &oplock, &vars->oparms, | |
c5a5f38f RS |
123 | utf16_path); |
124 | kfree(utf16_path); | |
125 | if (rc) | |
126 | goto finished; | |
127 | ||
8de9e86c RS |
128 | smb2_set_next_command(tcon, &rqst[num_rqst]); |
129 | after_open: | |
130 | num_rqst++; | |
131 | rc = 0; | |
c5a5f38f RS |
132 | |
133 | /* Operation */ | |
134 | switch (command) { | |
135 | case SMB2_OP_QUERY_INFO: | |
a7d5c294 | 136 | rqst[num_rqst].rq_iov = &vars->qi_iov[0]; |
c5a5f38f RS |
137 | rqst[num_rqst].rq_nvec = 1; |
138 | ||
496902dc | 139 | if (cfile) |
352d96f3 AA |
140 | rc = SMB2_query_info_init(tcon, server, |
141 | &rqst[num_rqst], | |
496902dc RS |
142 | cfile->fid.persistent_fid, |
143 | cfile->fid.volatile_fid, | |
144 | FILE_ALL_INFORMATION, | |
c5a5f38f RS |
145 | SMB2_O_INFO_FILE, 0, |
146 | sizeof(struct smb2_file_all_info) + | |
f5b05d62 | 147 | PATH_MAX * 2, 0, NULL); |
496902dc | 148 | else { |
352d96f3 AA |
149 | rc = SMB2_query_info_init(tcon, server, |
150 | &rqst[num_rqst], | |
496902dc RS |
151 | COMPOUND_FID, |
152 | COMPOUND_FID, | |
352d96f3 | 153 | FILE_ALL_INFORMATION, |
496902dc RS |
154 | SMB2_O_INFO_FILE, 0, |
155 | sizeof(struct smb2_file_all_info) + | |
156 | PATH_MAX * 2, 0, NULL); | |
157 | if (!rc) { | |
158 | smb2_set_next_command(tcon, &rqst[num_rqst]); | |
159 | smb2_set_related(&rqst[num_rqst]); | |
160 | } | |
161 | } | |
162 | ||
6a5f6592 SF |
163 | if (rc) |
164 | goto finished; | |
165 | num_rqst++; | |
166 | trace_smb3_query_info_compound_enter(xid, ses->Suid, tcon->tid, | |
167 | full_path); | |
168 | break; | |
169 | case SMB2_OP_POSIX_QUERY_INFO: | |
170 | rqst[num_rqst].rq_iov = &vars->qi_iov[0]; | |
171 | rqst[num_rqst].rq_nvec = 1; | |
172 | ||
173 | if (cfile) | |
174 | rc = SMB2_query_info_init(tcon, server, | |
175 | &rqst[num_rqst], | |
176 | cfile->fid.persistent_fid, | |
177 | cfile->fid.volatile_fid, | |
178 | SMB_FIND_FILE_POSIX_INFO, | |
179 | SMB2_O_INFO_FILE, 0, | |
180 | /* TBD: fix following to allow for longer SIDs */ | |
181 | sizeof(struct smb311_posix_qinfo *) + (PATH_MAX * 2) + | |
182 | (sizeof(struct cifs_sid) * 2), 0, NULL); | |
183 | else { | |
184 | rc = SMB2_query_info_init(tcon, server, | |
185 | &rqst[num_rqst], | |
186 | COMPOUND_FID, | |
187 | COMPOUND_FID, | |
188 | SMB_FIND_FILE_POSIX_INFO, | |
189 | SMB2_O_INFO_FILE, 0, | |
190 | sizeof(struct smb311_posix_qinfo *) + (PATH_MAX * 2) + | |
191 | (sizeof(struct cifs_sid) * 2), 0, NULL); | |
192 | if (!rc) { | |
193 | smb2_set_next_command(tcon, &rqst[num_rqst]); | |
194 | smb2_set_related(&rqst[num_rqst]); | |
195 | } | |
196 | } | |
197 | ||
88a92c91 RS |
198 | if (rc) |
199 | goto finished; | |
496902dc | 200 | num_rqst++; |
e4bd7c4a | 201 | trace_smb3_posix_query_info_compound_enter(xid, ses->Suid, tcon->tid, full_path); |
c5a5f38f | 202 | break; |
47dd9597 | 203 | case SMB2_OP_DELETE: |
8191576a | 204 | trace_smb3_delete_enter(xid, ses->Suid, tcon->tid, full_path); |
47dd9597 | 205 | break; |
f733e393 RS |
206 | case SMB2_OP_MKDIR: |
207 | /* | |
208 | * Directories are created through parameters in the | |
209 | * SMB2_open() call. | |
210 | */ | |
8191576a | 211 | trace_smb3_mkdir_enter(xid, ses->Suid, tcon->tid, full_path); |
f733e393 | 212 | break; |
c2e0fe3f | 213 | case SMB2_OP_RMDIR: |
a7d5c294 | 214 | rqst[num_rqst].rq_iov = &vars->si_iov[0]; |
c2e0fe3f RS |
215 | rqst[num_rqst].rq_nvec = 1; |
216 | ||
271b9c0c | 217 | size[0] = 1; /* sizeof __u8 See MS-FSCC section 2.4.11 */ |
c2e0fe3f RS |
218 | data[0] = &delete_pending[0]; |
219 | ||
352d96f3 AA |
220 | rc = SMB2_set_info_init(tcon, server, |
221 | &rqst[num_rqst], COMPOUND_FID, | |
c2e0fe3f RS |
222 | COMPOUND_FID, current->tgid, |
223 | FILE_DISPOSITION_INFORMATION, | |
224 | SMB2_O_INFO_FILE, 0, data, size); | |
88a92c91 RS |
225 | if (rc) |
226 | goto finished; | |
e77fe73c | 227 | smb2_set_next_command(tcon, &rqst[num_rqst]); |
c2e0fe3f | 228 | smb2_set_related(&rqst[num_rqst++]); |
8191576a | 229 | trace_smb3_rmdir_enter(xid, ses->Suid, tcon->tid, full_path); |
c2e0fe3f | 230 | break; |
f7bfe04b | 231 | case SMB2_OP_SET_EOF: |
a7d5c294 | 232 | rqst[num_rqst].rq_iov = &vars->si_iov[0]; |
f7bfe04b RS |
233 | rqst[num_rqst].rq_nvec = 1; |
234 | ||
235 | size[0] = 8; /* sizeof __le64 */ | |
236 | data[0] = ptr; | |
237 | ||
352d96f3 AA |
238 | rc = SMB2_set_info_init(tcon, server, |
239 | &rqst[num_rqst], COMPOUND_FID, | |
f7bfe04b RS |
240 | COMPOUND_FID, current->tgid, |
241 | FILE_END_OF_FILE_INFORMATION, | |
242 | SMB2_O_INFO_FILE, 0, data, size); | |
88a92c91 RS |
243 | if (rc) |
244 | goto finished; | |
e77fe73c | 245 | smb2_set_next_command(tcon, &rqst[num_rqst]); |
f7bfe04b | 246 | smb2_set_related(&rqst[num_rqst++]); |
8191576a | 247 | trace_smb3_set_eof_enter(xid, ses->Suid, tcon->tid, full_path); |
f7bfe04b | 248 | break; |
dcbf9103 | 249 | case SMB2_OP_SET_INFO: |
a7d5c294 | 250 | rqst[num_rqst].rq_iov = &vars->si_iov[0]; |
dcbf9103 RS |
251 | rqst[num_rqst].rq_nvec = 1; |
252 | ||
bb435512 | 253 | |
dcbf9103 RS |
254 | size[0] = sizeof(FILE_BASIC_INFO); |
255 | data[0] = ptr; | |
256 | ||
dc9300a6 | 257 | if (cfile) |
352d96f3 AA |
258 | rc = SMB2_set_info_init(tcon, server, |
259 | &rqst[num_rqst], | |
dc9300a6 RS |
260 | cfile->fid.persistent_fid, |
261 | cfile->fid.volatile_fid, current->tgid, | |
262 | FILE_BASIC_INFORMATION, | |
263 | SMB2_O_INFO_FILE, 0, data, size); | |
264 | else { | |
352d96f3 AA |
265 | rc = SMB2_set_info_init(tcon, server, |
266 | &rqst[num_rqst], | |
dc9300a6 RS |
267 | COMPOUND_FID, |
268 | COMPOUND_FID, current->tgid, | |
269 | FILE_BASIC_INFORMATION, | |
270 | SMB2_O_INFO_FILE, 0, data, size); | |
271 | if (!rc) { | |
272 | smb2_set_next_command(tcon, &rqst[num_rqst]); | |
273 | smb2_set_related(&rqst[num_rqst]); | |
274 | } | |
275 | } | |
276 | ||
88a92c91 RS |
277 | if (rc) |
278 | goto finished; | |
dc9300a6 | 279 | num_rqst++; |
8191576a SF |
280 | trace_smb3_set_info_compound_enter(xid, ses->Suid, tcon->tid, |
281 | full_path); | |
dcbf9103 | 282 | break; |
bb435512 | 283 | case SMB2_OP_RENAME: |
a7d5c294 | 284 | rqst[num_rqst].rq_iov = &vars->si_iov[0]; |
bb435512 RS |
285 | rqst[num_rqst].rq_nvec = 2; |
286 | ||
287 | len = (2 * UniStrnlen((wchar_t *)ptr, PATH_MAX)); | |
288 | ||
a7d5c294 RS |
289 | vars->rename_info.ReplaceIfExists = 1; |
290 | vars->rename_info.RootDirectory = 0; | |
291 | vars->rename_info.FileNameLength = cpu_to_le32(len); | |
bb435512 RS |
292 | |
293 | size[0] = sizeof(struct smb2_file_rename_info); | |
a7d5c294 | 294 | data[0] = &vars->rename_info; |
bb435512 RS |
295 | |
296 | size[1] = len + 2 /* null */; | |
297 | data[1] = (__le16 *)ptr; | |
298 | ||
8de9e86c | 299 | if (cfile) |
352d96f3 AA |
300 | rc = SMB2_set_info_init(tcon, server, |
301 | &rqst[num_rqst], | |
8de9e86c RS |
302 | cfile->fid.persistent_fid, |
303 | cfile->fid.volatile_fid, | |
304 | current->tgid, FILE_RENAME_INFORMATION, | |
305 | SMB2_O_INFO_FILE, 0, data, size); | |
306 | else { | |
352d96f3 AA |
307 | rc = SMB2_set_info_init(tcon, server, |
308 | &rqst[num_rqst], | |
8de9e86c RS |
309 | COMPOUND_FID, COMPOUND_FID, |
310 | current->tgid, FILE_RENAME_INFORMATION, | |
bb435512 | 311 | SMB2_O_INFO_FILE, 0, data, size); |
dc9300a6 RS |
312 | if (!rc) { |
313 | smb2_set_next_command(tcon, &rqst[num_rqst]); | |
314 | smb2_set_related(&rqst[num_rqst]); | |
315 | } | |
8de9e86c | 316 | } |
88a92c91 RS |
317 | if (rc) |
318 | goto finished; | |
8de9e86c | 319 | num_rqst++; |
8191576a | 320 | trace_smb3_rename_enter(xid, ses->Suid, tcon->tid, full_path); |
bb435512 RS |
321 | break; |
322 | case SMB2_OP_HARDLINK: | |
a7d5c294 | 323 | rqst[num_rqst].rq_iov = &vars->si_iov[0]; |
bb435512 RS |
324 | rqst[num_rqst].rq_nvec = 2; |
325 | ||
326 | len = (2 * UniStrnlen((wchar_t *)ptr, PATH_MAX)); | |
327 | ||
a7d5c294 RS |
328 | vars->link_info.ReplaceIfExists = 0; |
329 | vars->link_info.RootDirectory = 0; | |
330 | vars->link_info.FileNameLength = cpu_to_le32(len); | |
bb435512 RS |
331 | |
332 | size[0] = sizeof(struct smb2_file_link_info); | |
a7d5c294 | 333 | data[0] = &vars->link_info; |
bb435512 RS |
334 | |
335 | size[1] = len + 2 /* null */; | |
336 | data[1] = (__le16 *)ptr; | |
337 | ||
352d96f3 AA |
338 | rc = SMB2_set_info_init(tcon, server, |
339 | &rqst[num_rqst], COMPOUND_FID, | |
bb435512 RS |
340 | COMPOUND_FID, current->tgid, |
341 | FILE_LINK_INFORMATION, | |
342 | SMB2_O_INFO_FILE, 0, data, size); | |
88a92c91 RS |
343 | if (rc) |
344 | goto finished; | |
e77fe73c | 345 | smb2_set_next_command(tcon, &rqst[num_rqst]); |
bb435512 | 346 | smb2_set_related(&rqst[num_rqst++]); |
8191576a | 347 | trace_smb3_hardlink_enter(xid, ses->Suid, tcon->tid, full_path); |
bb435512 | 348 | break; |
c5a5f38f RS |
349 | default: |
350 | cifs_dbg(VFS, "Invalid command\n"); | |
351 | rc = -EINVAL; | |
352 | } | |
353 | if (rc) | |
354 | goto finished; | |
355 | ||
8de9e86c RS |
356 | /* We already have a handle so we can skip the close */ |
357 | if (cfile) | |
358 | goto after_close; | |
c5a5f38f | 359 | /* Close */ |
a7d5c294 | 360 | rqst[num_rqst].rq_iov = &vars->close_iov[0]; |
c5a5f38f | 361 | rqst[num_rqst].rq_nvec = 1; |
352d96f3 AA |
362 | rc = SMB2_close_init(tcon, server, |
363 | &rqst[num_rqst], COMPOUND_FID, | |
43f8a6a7 | 364 | COMPOUND_FID, false); |
8de9e86c | 365 | smb2_set_related(&rqst[num_rqst]); |
c5a5f38f RS |
366 | if (rc) |
367 | goto finished; | |
8de9e86c RS |
368 | after_close: |
369 | num_rqst++; | |
370 | ||
371 | if (cfile) { | |
372 | cifsFileInfo_put(cfile); | |
373 | cfile = NULL; | |
352d96f3 AA |
374 | rc = compound_send_recv(xid, ses, server, |
375 | flags, num_rqst - 2, | |
8de9e86c RS |
376 | &rqst[1], &resp_buftype[1], |
377 | &rsp_iov[1]); | |
378 | } else | |
352d96f3 AA |
379 | rc = compound_send_recv(xid, ses, server, |
380 | flags, num_rqst, | |
8de9e86c RS |
381 | rqst, resp_buftype, |
382 | rsp_iov); | |
c5a5f38f RS |
383 | |
384 | finished: | |
8de9e86c RS |
385 | if (cfile) |
386 | cifsFileInfo_put(cfile); | |
387 | ||
c5a5f38f | 388 | SMB2_open_free(&rqst[0]); |
7dcc82c2 | 389 | if (rc == -EREMCHG) { |
a0a3036b | 390 | pr_warn_once("server share %s deleted\n", tcon->treeName); |
7dcc82c2 SF |
391 | tcon->need_reconnect = true; |
392 | } | |
393 | ||
c5a5f38f RS |
394 | switch (command) { |
395 | case SMB2_OP_QUERY_INFO: | |
396 | if (rc == 0) { | |
c2e0fe3f RS |
397 | qi_rsp = (struct smb2_query_info_rsp *) |
398 | rsp_iov[1].iov_base; | |
c5a5f38f | 399 | rc = smb2_validate_and_copy_iov( |
c2e0fe3f RS |
400 | le16_to_cpu(qi_rsp->OutputBufferOffset), |
401 | le32_to_cpu(qi_rsp->OutputBufferLength), | |
c5a5f38f | 402 | &rsp_iov[1], sizeof(struct smb2_file_all_info), |
c2e0fe3f | 403 | ptr); |
c5a5f38f RS |
404 | } |
405 | if (rqst[1].rq_iov) | |
406 | SMB2_query_info_free(&rqst[1]); | |
407 | if (rqst[2].rq_iov) | |
408 | SMB2_close_free(&rqst[2]); | |
8191576a SF |
409 | if (rc) |
410 | trace_smb3_query_info_compound_err(xid, ses->Suid, | |
411 | tcon->tid, rc); | |
412 | else | |
413 | trace_smb3_query_info_compound_done(xid, ses->Suid, | |
414 | tcon->tid); | |
c5a5f38f | 415 | break; |
6a5f6592 SF |
416 | case SMB2_OP_POSIX_QUERY_INFO: |
417 | if (rc == 0) { | |
418 | qi_rsp = (struct smb2_query_info_rsp *) | |
419 | rsp_iov[1].iov_base; | |
420 | rc = smb2_validate_and_copy_iov( | |
421 | le16_to_cpu(qi_rsp->OutputBufferOffset), | |
422 | le32_to_cpu(qi_rsp->OutputBufferLength), | |
423 | &rsp_iov[1], sizeof(struct smb311_posix_qinfo) /* add SIDs */, ptr); | |
424 | } | |
425 | if (rqst[1].rq_iov) | |
426 | SMB2_query_info_free(&rqst[1]); | |
427 | if (rqst[2].rq_iov) | |
428 | SMB2_close_free(&rqst[2]); | |
429 | if (rc) | |
e4bd7c4a | 430 | trace_smb3_posix_query_info_compound_err(xid, ses->Suid, tcon->tid, rc); |
6a5f6592 | 431 | else |
e4bd7c4a | 432 | trace_smb3_posix_query_info_compound_done(xid, ses->Suid, tcon->tid); |
6a5f6592 | 433 | break; |
47dd9597 | 434 | case SMB2_OP_DELETE: |
8191576a SF |
435 | if (rc) |
436 | trace_smb3_delete_err(xid, ses->Suid, tcon->tid, rc); | |
437 | else | |
438 | trace_smb3_delete_done(xid, ses->Suid, tcon->tid); | |
439 | if (rqst[1].rq_iov) | |
440 | SMB2_close_free(&rqst[1]); | |
441 | break; | |
f733e393 | 442 | case SMB2_OP_MKDIR: |
8191576a SF |
443 | if (rc) |
444 | trace_smb3_mkdir_err(xid, ses->Suid, tcon->tid, rc); | |
445 | else | |
446 | trace_smb3_mkdir_done(xid, ses->Suid, tcon->tid); | |
f733e393 RS |
447 | if (rqst[1].rq_iov) |
448 | SMB2_close_free(&rqst[1]); | |
449 | break; | |
bb435512 | 450 | case SMB2_OP_HARDLINK: |
8191576a SF |
451 | if (rc) |
452 | trace_smb3_hardlink_err(xid, ses->Suid, tcon->tid, rc); | |
453 | else | |
454 | trace_smb3_hardlink_done(xid, ses->Suid, tcon->tid); | |
455 | free_set_inf_compound(rqst); | |
456 | break; | |
bb435512 | 457 | case SMB2_OP_RENAME: |
8191576a SF |
458 | if (rc) |
459 | trace_smb3_rename_err(xid, ses->Suid, tcon->tid, rc); | |
460 | else | |
461 | trace_smb3_rename_done(xid, ses->Suid, tcon->tid); | |
462 | free_set_inf_compound(rqst); | |
463 | break; | |
c2e0fe3f | 464 | case SMB2_OP_RMDIR: |
8191576a SF |
465 | if (rc) |
466 | trace_smb3_rmdir_err(xid, ses->Suid, tcon->tid, rc); | |
467 | else | |
468 | trace_smb3_rmdir_done(xid, ses->Suid, tcon->tid); | |
469 | free_set_inf_compound(rqst); | |
470 | break; | |
dcbf9103 | 471 | case SMB2_OP_SET_EOF: |
8191576a SF |
472 | if (rc) |
473 | trace_smb3_set_eof_err(xid, ses->Suid, tcon->tid, rc); | |
474 | else | |
475 | trace_smb3_set_eof_done(xid, ses->Suid, tcon->tid); | |
476 | free_set_inf_compound(rqst); | |
477 | break; | |
dcbf9103 | 478 | case SMB2_OP_SET_INFO: |
8191576a SF |
479 | if (rc) |
480 | trace_smb3_set_info_compound_err(xid, ses->Suid, | |
481 | tcon->tid, rc); | |
482 | else | |
483 | trace_smb3_set_info_compound_done(xid, ses->Suid, | |
484 | tcon->tid); | |
485 | free_set_inf_compound(rqst); | |
c2e0fe3f | 486 | break; |
c5a5f38f RS |
487 | } |
488 | free_rsp_buf(resp_buftype[0], rsp_iov[0].iov_base); | |
489 | free_rsp_buf(resp_buftype[1], rsp_iov[1].iov_base); | |
490 | free_rsp_buf(resp_buftype[2], rsp_iov[2].iov_base); | |
a7d5c294 | 491 | kfree(vars); |
c5a5f38f RS |
492 | return rc; |
493 | } | |
494 | ||
f0df737e | 495 | void |
be4cb9e3 PS |
496 | move_smb2_info_to_cifs(FILE_ALL_INFO *dst, struct smb2_file_all_info *src) |
497 | { | |
498 | memcpy(dst, src, (size_t)(&src->CurrentByteOffset) - (size_t)src); | |
499 | dst->CurrentByteOffset = src->CurrentByteOffset; | |
500 | dst->Mode = src->Mode; | |
501 | dst->AlignmentRequirement = src->AlignmentRequirement; | |
502 | dst->IndexNumber1 = 0; /* we don't use it */ | |
503 | } | |
504 | ||
505 | int | |
506 | smb2_query_path_info(const unsigned int xid, struct cifs_tcon *tcon, | |
507 | struct cifs_sb_info *cifs_sb, const char *full_path, | |
eb85d94b | 508 | FILE_ALL_INFO *data, bool *adjust_tz, bool *symlink) |
be4cb9e3 PS |
509 | { |
510 | int rc; | |
511 | struct smb2_file_all_info *smb2_data; | |
61351d6d | 512 | __u32 create_options = 0; |
6a9cbdd1 PS |
513 | struct cifs_fid fid; |
514 | bool no_cached_open = tcon->nohandlecache; | |
496902dc | 515 | struct cifsFileInfo *cfile; |
be4cb9e3 PS |
516 | |
517 | *adjust_tz = false; | |
eb85d94b | 518 | *symlink = false; |
be4cb9e3 | 519 | |
1bbe4997 | 520 | smb2_data = kzalloc(sizeof(struct smb2_file_all_info) + PATH_MAX * 2, |
be4cb9e3 PS |
521 | GFP_KERNEL); |
522 | if (smb2_data == NULL) | |
523 | return -ENOMEM; | |
6a9cbdd1 PS |
524 | |
525 | /* If it is a root and its handle is cached then use it */ | |
526 | if (!strlen(full_path) && !no_cached_open) { | |
0f060936 | 527 | rc = open_shroot(xid, tcon, cifs_sb, &fid); |
6a9cbdd1 PS |
528 | if (rc) |
529 | goto out; | |
b0f6df73 RS |
530 | |
531 | if (tcon->crfid.file_all_info_is_valid) { | |
532 | move_smb2_info_to_cifs(data, | |
533 | &tcon->crfid.file_all_info); | |
534 | } else { | |
535 | rc = SMB2_query_info(xid, tcon, fid.persistent_fid, | |
536 | fid.volatile_fid, smb2_data); | |
537 | if (!rc) | |
538 | move_smb2_info_to_cifs(data, smb2_data); | |
539 | } | |
6a9cbdd1 | 540 | close_shroot(&tcon->crfid); |
6a9cbdd1 PS |
541 | goto out; |
542 | } | |
543 | ||
496902dc | 544 | cifs_get_readable_path(tcon, full_path, &cfile); |
c5a5f38f | 545 | rc = smb2_compound_op(xid, tcon, cifs_sb, full_path, |
61351d6d | 546 | FILE_READ_ATTRIBUTES, FILE_OPEN, create_options, |
c3ca78e2 | 547 | ACL_NO_MODE, smb2_data, SMB2_OP_QUERY_INFO, cfile); |
eb85d94b PS |
548 | if (rc == -EOPNOTSUPP) { |
549 | *symlink = true; | |
61351d6d SF |
550 | create_options |= OPEN_REPARSE_POINT; |
551 | ||
eb85d94b | 552 | /* Failed on a symbolic link - query a reparse point info */ |
c5a5f38f RS |
553 | rc = smb2_compound_op(xid, tcon, cifs_sb, full_path, |
554 | FILE_READ_ATTRIBUTES, FILE_OPEN, | |
c3ca78e2 SF |
555 | create_options, ACL_NO_MODE, |
556 | smb2_data, SMB2_OP_QUERY_INFO, NULL); | |
eb85d94b | 557 | } |
be4cb9e3 PS |
558 | if (rc) |
559 | goto out; | |
560 | ||
561 | move_smb2_info_to_cifs(data, smb2_data); | |
562 | out: | |
563 | kfree(smb2_data); | |
564 | return rc; | |
565 | } | |
a0e73183 | 566 | |
6a5f6592 SF |
567 | |
568 | int | |
569 | smb311_posix_query_path_info(const unsigned int xid, struct cifs_tcon *tcon, | |
570 | struct cifs_sb_info *cifs_sb, const char *full_path, | |
571 | struct smb311_posix_qinfo *data, bool *adjust_tz, bool *symlink) | |
572 | { | |
573 | int rc; | |
574 | __u32 create_options = 0; | |
575 | struct cifsFileInfo *cfile; | |
576 | struct smb311_posix_qinfo *smb2_data; | |
577 | ||
578 | *adjust_tz = false; | |
579 | *symlink = false; | |
580 | ||
581 | /* BB TODO: Make struct larger when add support for parsing owner SIDs */ | |
582 | smb2_data = kzalloc(sizeof(struct smb311_posix_qinfo), | |
583 | GFP_KERNEL); | |
584 | if (smb2_data == NULL) | |
585 | return -ENOMEM; | |
586 | ||
587 | /* | |
588 | * BB TODO: Add support for using the cached root handle. | |
589 | * Create SMB2_query_posix_info worker function to do non-compounded query | |
590 | * when we already have an open file handle for this. For now this is fast enough | |
591 | * (always using the compounded version). | |
592 | */ | |
593 | ||
594 | cifs_get_readable_path(tcon, full_path, &cfile); | |
595 | rc = smb2_compound_op(xid, tcon, cifs_sb, full_path, | |
596 | FILE_READ_ATTRIBUTES, FILE_OPEN, create_options, | |
597 | ACL_NO_MODE, smb2_data, SMB2_OP_POSIX_QUERY_INFO, cfile); | |
598 | if (rc == -EOPNOTSUPP) { | |
599 | /* BB TODO: When support for special files added to Samba re-verify this path */ | |
600 | *symlink = true; | |
601 | create_options |= OPEN_REPARSE_POINT; | |
602 | ||
603 | /* Failed on a symbolic link - query a reparse point info */ | |
604 | rc = smb2_compound_op(xid, tcon, cifs_sb, full_path, | |
605 | FILE_READ_ATTRIBUTES, FILE_OPEN, | |
606 | create_options, ACL_NO_MODE, | |
607 | smb2_data, SMB2_OP_POSIX_QUERY_INFO, NULL); | |
608 | } | |
609 | if (rc) | |
610 | goto out; | |
611 | ||
612 | /* TODO: will need to allow for the 2 SIDs when add support for getting owner UID/GID */ | |
613 | memcpy(data, smb2_data, sizeof(struct smb311_posix_qinfo)); | |
614 | ||
615 | out: | |
616 | kfree(smb2_data); | |
617 | return rc; | |
618 | } | |
619 | ||
a0e73183 | 620 | int |
c3ca78e2 SF |
621 | smb2_mkdir(const unsigned int xid, struct inode *parent_inode, umode_t mode, |
622 | struct cifs_tcon *tcon, const char *name, | |
a0e73183 PS |
623 | struct cifs_sb_info *cifs_sb) |
624 | { | |
f733e393 RS |
625 | return smb2_compound_op(xid, tcon, cifs_sb, name, |
626 | FILE_WRITE_ATTRIBUTES, FILE_CREATE, | |
c3ca78e2 SF |
627 | CREATE_NOT_FILE, mode, NULL, SMB2_OP_MKDIR, |
628 | NULL); | |
a0e73183 PS |
629 | } |
630 | ||
631 | void | |
632 | smb2_mkdir_setinfo(struct inode *inode, const char *name, | |
633 | struct cifs_sb_info *cifs_sb, struct cifs_tcon *tcon, | |
634 | const unsigned int xid) | |
635 | { | |
636 | FILE_BASIC_INFO data; | |
637 | struct cifsInodeInfo *cifs_i; | |
dc9300a6 | 638 | struct cifsFileInfo *cfile; |
a0e73183 PS |
639 | u32 dosattrs; |
640 | int tmprc; | |
641 | ||
642 | memset(&data, 0, sizeof(data)); | |
643 | cifs_i = CIFS_I(inode); | |
644 | dosattrs = cifs_i->cifsAttrs | ATTR_READONLY; | |
645 | data.Attributes = cpu_to_le32(dosattrs); | |
86f740f2 | 646 | cifs_get_writable_path(tcon, name, FIND_WR_ANY, &cfile); |
dcbf9103 RS |
647 | tmprc = smb2_compound_op(xid, tcon, cifs_sb, name, |
648 | FILE_WRITE_ATTRIBUTES, FILE_CREATE, | |
c3ca78e2 SF |
649 | CREATE_NOT_FILE, ACL_NO_MODE, |
650 | &data, SMB2_OP_SET_INFO, cfile); | |
a0e73183 PS |
651 | if (tmprc == 0) |
652 | cifs_i->cifsAttrs = dosattrs; | |
653 | } | |
1a500f01 PS |
654 | |
655 | int | |
656 | smb2_rmdir(const unsigned int xid, struct cifs_tcon *tcon, const char *name, | |
657 | struct cifs_sb_info *cifs_sb) | |
658 | { | |
c2e0fe3f | 659 | return smb2_compound_op(xid, tcon, cifs_sb, name, DELETE, FILE_OPEN, |
c3ca78e2 | 660 | CREATE_NOT_FILE, ACL_NO_MODE, |
8de9e86c | 661 | NULL, SMB2_OP_RMDIR, NULL); |
1a500f01 | 662 | } |
cbe6f439 PS |
663 | |
664 | int | |
665 | smb2_unlink(const unsigned int xid, struct cifs_tcon *tcon, const char *name, | |
666 | struct cifs_sb_info *cifs_sb) | |
667 | { | |
47dd9597 RS |
668 | return smb2_compound_op(xid, tcon, cifs_sb, name, DELETE, FILE_OPEN, |
669 | CREATE_DELETE_ON_CLOSE | OPEN_REPARSE_POINT, | |
c3ca78e2 | 670 | ACL_NO_MODE, NULL, SMB2_OP_DELETE, NULL); |
cbe6f439 | 671 | } |
35143eb5 | 672 | |
568798cc PS |
673 | static int |
674 | smb2_set_path_attr(const unsigned int xid, struct cifs_tcon *tcon, | |
675 | const char *from_name, const char *to_name, | |
8de9e86c RS |
676 | struct cifs_sb_info *cifs_sb, __u32 access, int command, |
677 | struct cifsFileInfo *cfile) | |
35143eb5 PS |
678 | { |
679 | __le16 *smb2_to_name = NULL; | |
680 | int rc; | |
681 | ||
682 | smb2_to_name = cifs_convert_path_to_utf16(to_name, cifs_sb); | |
683 | if (smb2_to_name == NULL) { | |
684 | rc = -ENOMEM; | |
685 | goto smb2_rename_path; | |
686 | } | |
bb435512 | 687 | rc = smb2_compound_op(xid, tcon, cifs_sb, from_name, access, |
c3ca78e2 SF |
688 | FILE_OPEN, 0, ACL_NO_MODE, smb2_to_name, |
689 | command, cfile); | |
35143eb5 PS |
690 | smb2_rename_path: |
691 | kfree(smb2_to_name); | |
692 | return rc; | |
693 | } | |
568798cc PS |
694 | |
695 | int | |
696 | smb2_rename_path(const unsigned int xid, struct cifs_tcon *tcon, | |
697 | const char *from_name, const char *to_name, | |
698 | struct cifs_sb_info *cifs_sb) | |
699 | { | |
8de9e86c RS |
700 | struct cifsFileInfo *cfile; |
701 | ||
86f740f2 | 702 | cifs_get_writable_path(tcon, from_name, FIND_WR_WITH_DELETE, &cfile); |
8de9e86c RS |
703 | |
704 | return smb2_set_path_attr(xid, tcon, from_name, to_name, | |
705 | cifs_sb, DELETE, SMB2_OP_RENAME, cfile); | |
568798cc PS |
706 | } |
707 | ||
708 | int | |
709 | smb2_create_hardlink(const unsigned int xid, struct cifs_tcon *tcon, | |
710 | const char *from_name, const char *to_name, | |
711 | struct cifs_sb_info *cifs_sb) | |
712 | { | |
713 | return smb2_set_path_attr(xid, tcon, from_name, to_name, cifs_sb, | |
8de9e86c RS |
714 | FILE_READ_ATTRIBUTES, SMB2_OP_HARDLINK, |
715 | NULL); | |
568798cc | 716 | } |
c839ff24 PS |
717 | |
718 | int | |
719 | smb2_set_path_size(const unsigned int xid, struct cifs_tcon *tcon, | |
720 | const char *full_path, __u64 size, | |
721 | struct cifs_sb_info *cifs_sb, bool set_alloc) | |
722 | { | |
723 | __le64 eof = cpu_to_le64(size); | |
f7bfe04b RS |
724 | |
725 | return smb2_compound_op(xid, tcon, cifs_sb, full_path, | |
c3ca78e2 SF |
726 | FILE_WRITE_DATA, FILE_OPEN, 0, ACL_NO_MODE, |
727 | &eof, SMB2_OP_SET_EOF, NULL); | |
c839ff24 | 728 | } |
1feeaac7 PS |
729 | |
730 | int | |
731 | smb2_set_file_info(struct inode *inode, const char *full_path, | |
732 | FILE_BASIC_INFO *buf, const unsigned int xid) | |
733 | { | |
734 | struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb); | |
735 | struct tcon_link *tlink; | |
736 | int rc; | |
737 | ||
18dd8e1a | 738 | if ((buf->CreationTime == 0) && (buf->LastAccessTime == 0) && |
fd09b7d3 | 739 | (buf->LastWriteTime == 0) && (buf->ChangeTime == 0) && |
18dd8e1a SF |
740 | (buf->Attributes == 0)) |
741 | return 0; /* would be a no op, no sense sending this */ | |
742 | ||
1feeaac7 PS |
743 | tlink = cifs_sb_tlink(cifs_sb); |
744 | if (IS_ERR(tlink)) | |
745 | return PTR_ERR(tlink); | |
18dd8e1a | 746 | |
dcbf9103 | 747 | rc = smb2_compound_op(xid, tlink_tcon(tlink), cifs_sb, full_path, |
c3ca78e2 SF |
748 | FILE_WRITE_ATTRIBUTES, FILE_OPEN, |
749 | 0, ACL_NO_MODE, buf, SMB2_OP_SET_INFO, NULL); | |
1feeaac7 PS |
750 | cifs_put_tlink(tlink); |
751 | return rc; | |
752 | } |