Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * fs/cifs/xattr.c | |
3 | * | |
79a58d1f | 4 | * Copyright (c) International Business Machines Corp., 2003, 2007 |
1da177e4 LT |
5 | * Author(s): Steve French (sfrench@us.ibm.com) |
6 | * | |
7 | * This library is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU Lesser General Public License as published | |
9 | * by the Free Software Foundation; either version 2.1 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This library is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See | |
15 | * the GNU Lesser General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU Lesser General Public License | |
18 | * along with this library; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
20 | */ | |
21 | ||
22 | #include <linux/fs.h> | |
23 | #include <linux/posix_acl_xattr.h> | |
5a0e3ad6 | 24 | #include <linux/slab.h> |
f995e740 | 25 | #include <linux/xattr.h> |
1da177e4 LT |
26 | #include "cifsfs.h" |
27 | #include "cifspdu.h" | |
28 | #include "cifsglob.h" | |
29 | #include "cifsproto.h" | |
30 | #include "cifs_debug.h" | |
2baa2682 SF |
31 | #include "cifs_fs_sb.h" |
32 | #include "cifs_unicode.h" | |
1da177e4 | 33 | |
63d37fb4 | 34 | #define MAX_EA_VALUE_SIZE CIFSMaxBufSize |
438471b6 BP |
35 | #define CIFS_XATTR_CIFS_ACL "system.cifs_acl" /* DACL only */ |
36 | #define CIFS_XATTR_CIFS_NTSD "system.cifs_ntsd" /* owner plus DACL */ | |
a958fff2 | 37 | #define CIFS_XATTR_ATTRIB "cifs.dosattrib" /* full name: user.cifs.dosattrib */ |
66098044 | 38 | #define CIFS_XATTR_CREATETIME "cifs.creationtime" /* user.cifs.creationtime */ |
c4f7173a SF |
39 | /* |
40 | * Although these three are just aliases for the above, need to move away from | |
41 | * confusing users and using the 20+ year old term 'cifs' when it is no longer | |
42 | * secure, replaced by SMB2 (then even more highly secure SMB3) many years ago | |
43 | */ | |
438471b6 BP |
44 | #define SMB3_XATTR_CIFS_ACL "system.smb3_acl" /* DACL only */ |
45 | #define SMB3_XATTR_CIFS_NTSD "system.smb3_ntsd" /* owner plus DACL */ | |
c4f7173a SF |
46 | #define SMB3_XATTR_ATTRIB "smb3.dosattrib" /* full name: user.smb3.dosattrib */ |
47 | #define SMB3_XATTR_CREATETIME "smb3.creationtime" /* user.smb3.creationtime */ | |
f995e740 | 48 | /* BB need to add server (Samba e.g) support for security and trusted prefix */ |
1da177e4 | 49 | |
438471b6 BP |
50 | enum { XATTR_USER, XATTR_CIFS_ACL, XATTR_ACL_ACCESS, XATTR_ACL_DEFAULT, |
51 | XATTR_CIFS_NTSD }; | |
52 | ||
53 | static int cifs_attrib_set(unsigned int xid, struct cifs_tcon *pTcon, | |
54 | struct inode *inode, char *full_path, | |
55 | const void *value, size_t size) | |
56 | { | |
57 | ssize_t rc = -EOPNOTSUPP; | |
58 | __u32 *pattrib = (__u32 *)value; | |
59 | __u32 attrib; | |
60 | FILE_BASIC_INFO info_buf; | |
61 | ||
62 | if ((value == NULL) || (size != sizeof(__u32))) | |
63 | return -ERANGE; | |
64 | ||
65 | memset(&info_buf, 0, sizeof(info_buf)); | |
66 | attrib = *pattrib; | |
67 | info_buf.Attributes = cpu_to_le32(attrib); | |
68 | if (pTcon->ses->server->ops->set_file_info) | |
69 | rc = pTcon->ses->server->ops->set_file_info(inode, full_path, | |
70 | &info_buf, xid); | |
71 | if (rc == 0) | |
72 | CIFS_I(inode)->cifsAttrs = attrib; | |
73 | ||
74 | return rc; | |
75 | } | |
76 | ||
77 | static int cifs_creation_time_set(unsigned int xid, struct cifs_tcon *pTcon, | |
78 | struct inode *inode, char *full_path, | |
79 | const void *value, size_t size) | |
80 | { | |
81 | ssize_t rc = -EOPNOTSUPP; | |
82 | __u64 *pcreation_time = (__u64 *)value; | |
83 | __u64 creation_time; | |
84 | FILE_BASIC_INFO info_buf; | |
85 | ||
86 | if ((value == NULL) || (size != sizeof(__u64))) | |
87 | return -ERANGE; | |
88 | ||
89 | memset(&info_buf, 0, sizeof(info_buf)); | |
90 | creation_time = *pcreation_time; | |
91 | info_buf.CreationTime = cpu_to_le64(creation_time); | |
92 | if (pTcon->ses->server->ops->set_file_info) | |
93 | rc = pTcon->ses->server->ops->set_file_info(inode, full_path, | |
94 | &info_buf, xid); | |
95 | if (rc == 0) | |
96 | CIFS_I(inode)->createtime = creation_time; | |
97 | ||
98 | return rc; | |
99 | } | |
7ffec372 | 100 | |
a9ae008f | 101 | static int cifs_xattr_set(const struct xattr_handler *handler, |
59301226 AV |
102 | struct dentry *dentry, struct inode *inode, |
103 | const char *name, const void *value, | |
104 | size_t size, int flags) | |
1da177e4 LT |
105 | { |
106 | int rc = -EOPNOTSUPP; | |
6d5786a3 | 107 | unsigned int xid; |
a9ae008f | 108 | struct super_block *sb = dentry->d_sb; |
5fdccfef | 109 | struct cifs_sb_info *cifs_sb = CIFS_SB(sb); |
7ffec372 | 110 | struct tcon_link *tlink; |
96daf2b0 | 111 | struct cifs_tcon *pTcon; |
79a58d1f | 112 | char *full_path; |
1da177e4 | 113 | |
7ffec372 JL |
114 | tlink = cifs_sb_tlink(cifs_sb); |
115 | if (IS_ERR(tlink)) | |
116 | return PTR_ERR(tlink); | |
117 | pTcon = tlink_tcon(tlink); | |
118 | ||
6d5786a3 | 119 | xid = get_xid(); |
1da177e4 | 120 | |
a9ae008f | 121 | full_path = build_path_from_dentry(dentry); |
79a58d1f | 122 | if (full_path == NULL) { |
0f3bc09e | 123 | rc = -ENOMEM; |
a9ae008f | 124 | goto out; |
1da177e4 LT |
125 | } |
126 | /* return dos attributes as pseudo xattr */ | |
127 | /* return alt name if available as pseudo attr */ | |
128 | ||
129 | /* if proc/fs/cifs/streamstoxattr is set then | |
79a58d1f | 130 | search server for EAs or streams to |
1da177e4 | 131 | returns as xattrs */ |
a9ae008f | 132 | if (size > MAX_EA_VALUE_SIZE) { |
f96637be | 133 | cifs_dbg(FYI, "size of EA value too large\n"); |
7ffec372 | 134 | rc = -EOPNOTSUPP; |
a9ae008f | 135 | goto out; |
1da177e4 LT |
136 | } |
137 | ||
a9ae008f AG |
138 | switch (handler->flags) { |
139 | case XATTR_USER: | |
438471b6 BP |
140 | cifs_dbg(FYI, "%s:setting user xattr %s\n", __func__, name); |
141 | if ((strcmp(name, CIFS_XATTR_ATTRIB) == 0) || | |
142 | (strcmp(name, SMB3_XATTR_ATTRIB) == 0)) { | |
143 | rc = cifs_attrib_set(xid, pTcon, inode, full_path, | |
144 | value, size); | |
145 | if (rc == 0) /* force revalidate of the inode */ | |
146 | CIFS_I(inode)->time = 0; | |
147 | break; | |
148 | } else if ((strcmp(name, CIFS_XATTR_CREATETIME) == 0) || | |
149 | (strcmp(name, SMB3_XATTR_CREATETIME) == 0)) { | |
150 | rc = cifs_creation_time_set(xid, pTcon, inode, | |
151 | full_path, value, size); | |
152 | if (rc == 0) /* force revalidate of the inode */ | |
153 | CIFS_I(inode)->time = 0; | |
154 | break; | |
155 | } | |
156 | ||
79a58d1f | 157 | if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_XATTR) |
a9ae008f | 158 | goto out; |
ad7a2926 | 159 | |
666753c3 SF |
160 | if (pTcon->ses->server->ops->set_EA) |
161 | rc = pTcon->ses->server->ops->set_EA(xid, pTcon, | |
a9ae008f | 162 | full_path, name, value, (__u16)size, |
5517554e | 163 | cifs_sb->local_nls, cifs_sb); |
a9ae008f | 164 | break; |
1da177e4 | 165 | |
438471b6 BP |
166 | case XATTR_CIFS_ACL: |
167 | case XATTR_CIFS_NTSD: { | |
b0f8ef20 | 168 | struct cifs_ntsd *pacl; |
a9ae008f AG |
169 | |
170 | if (!value) | |
171 | goto out; | |
172 | pacl = kmalloc(size, GFP_KERNEL); | |
b73b9a4b | 173 | if (!pacl) { |
b73b9a4b SF |
174 | rc = -ENOMEM; |
175 | } else { | |
a9ae008f AG |
176 | memcpy(pacl, value, size); |
177 | if (value && | |
438471b6 BP |
178 | pTcon->ses->server->ops->set_acl) { |
179 | rc = 0; | |
180 | if (handler->flags == XATTR_CIFS_NTSD) { | |
181 | /* set owner and DACL */ | |
182 | rc = pTcon->ses->server->ops->set_acl( | |
183 | pacl, size, inode, | |
184 | full_path, | |
185 | CIFS_ACL_OWNER); | |
186 | } | |
187 | if (rc == 0) { | |
188 | /* set DACL */ | |
189 | rc = pTcon->ses->server->ops->set_acl( | |
190 | pacl, size, inode, | |
191 | full_path, | |
192 | CIFS_ACL_DACL); | |
193 | } | |
194 | } else { | |
83e3bc23 | 195 | rc = -EOPNOTSUPP; |
438471b6 | 196 | } |
b73b9a4b | 197 | if (rc == 0) /* force revalidate of the inode */ |
59301226 | 198 | CIFS_I(inode)->time = 0; |
b73b9a4b | 199 | kfree(pacl); |
b0f8ef20 | 200 | } |
a9ae008f AG |
201 | break; |
202 | } | |
203 | ||
204 | case XATTR_ACL_ACCESS: | |
1da177e4 | 205 | #ifdef CONFIG_CIFS_POSIX |
a9ae008f AG |
206 | if (!value) |
207 | goto out; | |
1751e8a6 | 208 | if (sb->s_flags & SB_POSIXACL) |
a9ae008f AG |
209 | rc = CIFSSMBSetPosixACL(xid, pTcon, full_path, |
210 | value, (const int)size, | |
211 | ACL_TYPE_ACCESS, cifs_sb->local_nls, | |
212 | cifs_remap(cifs_sb)); | |
213 | #endif /* CONFIG_CIFS_POSIX */ | |
214 | break; | |
215 | ||
216 | case XATTR_ACL_DEFAULT: | |
1da177e4 | 217 | #ifdef CONFIG_CIFS_POSIX |
a9ae008f AG |
218 | if (!value) |
219 | goto out; | |
1751e8a6 | 220 | if (sb->s_flags & SB_POSIXACL) |
a9ae008f AG |
221 | rc = CIFSSMBSetPosixACL(xid, pTcon, full_path, |
222 | value, (const int)size, | |
223 | ACL_TYPE_DEFAULT, cifs_sb->local_nls, | |
224 | cifs_remap(cifs_sb)); | |
225 | #endif /* CONFIG_CIFS_POSIX */ | |
226 | break; | |
1da177e4 LT |
227 | } |
228 | ||
a9ae008f | 229 | out: |
f99d49ad | 230 | kfree(full_path); |
6d5786a3 | 231 | free_xid(xid); |
7ffec372 | 232 | cifs_put_tlink(tlink); |
1da177e4 LT |
233 | return rc; |
234 | } | |
235 | ||
a958fff2 SF |
236 | static int cifs_attrib_get(struct dentry *dentry, |
237 | struct inode *inode, void *value, | |
238 | size_t size) | |
239 | { | |
240 | ssize_t rc; | |
241 | __u32 *pattribute; | |
242 | ||
243 | rc = cifs_revalidate_dentry_attr(dentry); | |
244 | ||
245 | if (rc) | |
246 | return rc; | |
247 | ||
248 | if ((value == NULL) || (size == 0)) | |
249 | return sizeof(__u32); | |
250 | else if (size < sizeof(__u32)) | |
251 | return -ERANGE; | |
252 | ||
253 | /* return dos attributes as pseudo xattr */ | |
254 | pattribute = (__u32 *)value; | |
255 | *pattribute = CIFS_I(inode)->cifsAttrs; | |
256 | ||
257 | return sizeof(__u32); | |
258 | } | |
259 | ||
66098044 SF |
260 | static int cifs_creation_time_get(struct dentry *dentry, struct inode *inode, |
261 | void *value, size_t size) | |
262 | { | |
263 | ssize_t rc; | |
438471b6 | 264 | __u64 *pcreatetime; |
66098044 SF |
265 | |
266 | rc = cifs_revalidate_dentry_attr(dentry); | |
267 | if (rc) | |
268 | return rc; | |
269 | ||
270 | if ((value == NULL) || (size == 0)) | |
271 | return sizeof(__u64); | |
272 | else if (size < sizeof(__u64)) | |
273 | return -ERANGE; | |
274 | ||
275 | /* return dos attributes as pseudo xattr */ | |
276 | pcreatetime = (__u64 *)value; | |
277 | *pcreatetime = CIFS_I(inode)->createtime; | |
278 | return sizeof(__u64); | |
66098044 SF |
279 | } |
280 | ||
a958fff2 | 281 | |
a9ae008f AG |
282 | static int cifs_xattr_get(const struct xattr_handler *handler, |
283 | struct dentry *dentry, struct inode *inode, | |
284 | const char *name, void *value, size_t size) | |
1da177e4 LT |
285 | { |
286 | ssize_t rc = -EOPNOTSUPP; | |
6d5786a3 | 287 | unsigned int xid; |
a9ae008f | 288 | struct super_block *sb = dentry->d_sb; |
5fdccfef | 289 | struct cifs_sb_info *cifs_sb = CIFS_SB(sb); |
7ffec372 | 290 | struct tcon_link *tlink; |
96daf2b0 | 291 | struct cifs_tcon *pTcon; |
79a58d1f | 292 | char *full_path; |
1da177e4 | 293 | |
7ffec372 JL |
294 | tlink = cifs_sb_tlink(cifs_sb); |
295 | if (IS_ERR(tlink)) | |
296 | return PTR_ERR(tlink); | |
297 | pTcon = tlink_tcon(tlink); | |
298 | ||
6d5786a3 | 299 | xid = get_xid(); |
1da177e4 | 300 | |
a9ae008f | 301 | full_path = build_path_from_dentry(dentry); |
79a58d1f | 302 | if (full_path == NULL) { |
0f3bc09e | 303 | rc = -ENOMEM; |
a9ae008f | 304 | goto out; |
1da177e4 | 305 | } |
a958fff2 | 306 | |
1da177e4 | 307 | /* return alt name if available as pseudo attr */ |
a9ae008f AG |
308 | switch (handler->flags) { |
309 | case XATTR_USER: | |
a958fff2 | 310 | cifs_dbg(FYI, "%s:querying user xattr %s\n", __func__, name); |
c4f7173a SF |
311 | if ((strcmp(name, CIFS_XATTR_ATTRIB) == 0) || |
312 | (strcmp(name, SMB3_XATTR_ATTRIB) == 0)) { | |
a958fff2 SF |
313 | rc = cifs_attrib_get(dentry, inode, value, size); |
314 | break; | |
c4f7173a SF |
315 | } else if ((strcmp(name, CIFS_XATTR_CREATETIME) == 0) || |
316 | (strcmp(name, SMB3_XATTR_CREATETIME) == 0)) { | |
66098044 SF |
317 | rc = cifs_creation_time_get(dentry, inode, value, size); |
318 | break; | |
a958fff2 SF |
319 | } |
320 | ||
79a58d1f | 321 | if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_XATTR) |
a9ae008f | 322 | goto out; |
1da177e4 | 323 | |
666753c3 SF |
324 | if (pTcon->ses->server->ops->query_all_EAs) |
325 | rc = pTcon->ses->server->ops->query_all_EAs(xid, pTcon, | |
67b4c889 | 326 | full_path, name, value, size, cifs_sb); |
a9ae008f | 327 | break; |
1da177e4 | 328 | |
438471b6 BP |
329 | case XATTR_CIFS_ACL: |
330 | case XATTR_CIFS_NTSD: { | |
331 | /* the whole ntsd is fetched regardless */ | |
a9ae008f AG |
332 | u32 acllen; |
333 | struct cifs_ntsd *pacl; | |
334 | ||
335 | if (pTcon->ses->server->ops->get_acl == NULL) | |
336 | goto out; /* rc already EOPNOTSUPP */ | |
337 | ||
338 | pacl = pTcon->ses->server->ops->get_acl(cifs_sb, | |
339 | inode, full_path, &acllen); | |
340 | if (IS_ERR(pacl)) { | |
341 | rc = PTR_ERR(pacl); | |
342 | cifs_dbg(VFS, "%s: error %zd getting sec desc\n", | |
343 | __func__, rc); | |
344 | } else { | |
345 | if (value) { | |
346 | if (acllen > size) | |
347 | acllen = -ERANGE; | |
348 | else | |
349 | memcpy(value, pacl, acllen); | |
350 | } | |
351 | rc = acllen; | |
352 | kfree(pacl); | |
353 | } | |
a9ae008f AG |
354 | break; |
355 | } | |
356 | ||
357 | case XATTR_ACL_ACCESS: | |
1da177e4 | 358 | #ifdef CONFIG_CIFS_POSIX |
1751e8a6 | 359 | if (sb->s_flags & SB_POSIXACL) |
1da0c78b | 360 | rc = CIFSSMBGetPosixACL(xid, pTcon, full_path, |
a9ae008f | 361 | value, size, ACL_TYPE_ACCESS, |
737b758c | 362 | cifs_sb->local_nls, |
2baa2682 | 363 | cifs_remap(cifs_sb)); |
a9ae008f AG |
364 | #endif /* CONFIG_CIFS_POSIX */ |
365 | break; | |
366 | ||
367 | case XATTR_ACL_DEFAULT: | |
1da177e4 | 368 | #ifdef CONFIG_CIFS_POSIX |
1751e8a6 | 369 | if (sb->s_flags & SB_POSIXACL) |
1da0c78b | 370 | rc = CIFSSMBGetPosixACL(xid, pTcon, full_path, |
a9ae008f | 371 | value, size, ACL_TYPE_DEFAULT, |
737b758c | 372 | cifs_sb->local_nls, |
2baa2682 | 373 | cifs_remap(cifs_sb)); |
a9ae008f AG |
374 | #endif /* CONFIG_CIFS_POSIX */ |
375 | break; | |
376 | } | |
1da177e4 | 377 | |
79a58d1f | 378 | /* We could add an additional check for streams ie |
1da177e4 | 379 | if proc/fs/cifs/streamstoxattr is set then |
79a58d1f | 380 | search server for EAs or streams to |
1da177e4 LT |
381 | returns as xattrs */ |
382 | ||
79a58d1f SF |
383 | if (rc == -EINVAL) |
384 | rc = -EOPNOTSUPP; | |
1da177e4 | 385 | |
a9ae008f | 386 | out: |
f99d49ad | 387 | kfree(full_path); |
6d5786a3 | 388 | free_xid(xid); |
7ffec372 | 389 | cifs_put_tlink(tlink); |
1da177e4 LT |
390 | return rc; |
391 | } | |
392 | ||
79a58d1f | 393 | ssize_t cifs_listxattr(struct dentry *direntry, char *data, size_t buf_size) |
1da177e4 LT |
394 | { |
395 | ssize_t rc = -EOPNOTSUPP; | |
6d5786a3 | 396 | unsigned int xid; |
5fdccfef | 397 | struct cifs_sb_info *cifs_sb = CIFS_SB(direntry->d_sb); |
7ffec372 | 398 | struct tcon_link *tlink; |
96daf2b0 | 399 | struct cifs_tcon *pTcon; |
79a58d1f | 400 | char *full_path; |
1da177e4 | 401 | |
79a58d1f | 402 | if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_XATTR) |
ea4c07d7 SF |
403 | return -EOPNOTSUPP; |
404 | ||
7ffec372 JL |
405 | tlink = cifs_sb_tlink(cifs_sb); |
406 | if (IS_ERR(tlink)) | |
407 | return PTR_ERR(tlink); | |
408 | pTcon = tlink_tcon(tlink); | |
409 | ||
6d5786a3 | 410 | xid = get_xid(); |
ea4c07d7 | 411 | |
1da177e4 | 412 | full_path = build_path_from_dentry(direntry); |
79a58d1f | 413 | if (full_path == NULL) { |
0f3bc09e | 414 | rc = -ENOMEM; |
7ffec372 | 415 | goto list_ea_exit; |
1da177e4 LT |
416 | } |
417 | /* return dos attributes as pseudo xattr */ | |
418 | /* return alt name if available as pseudo attr */ | |
419 | ||
420 | /* if proc/fs/cifs/streamstoxattr is set then | |
79a58d1f | 421 | search server for EAs or streams to |
1da177e4 | 422 | returns as xattrs */ |
1da177e4 | 423 | |
666753c3 SF |
424 | if (pTcon->ses->server->ops->query_all_EAs) |
425 | rc = pTcon->ses->server->ops->query_all_EAs(xid, pTcon, | |
67b4c889 | 426 | full_path, NULL, data, buf_size, cifs_sb); |
7ffec372 | 427 | list_ea_exit: |
f99d49ad | 428 | kfree(full_path); |
6d5786a3 | 429 | free_xid(xid); |
7ffec372 | 430 | cifs_put_tlink(tlink); |
1da177e4 LT |
431 | return rc; |
432 | } | |
a9ae008f AG |
433 | |
434 | static const struct xattr_handler cifs_user_xattr_handler = { | |
435 | .prefix = XATTR_USER_PREFIX, | |
436 | .flags = XATTR_USER, | |
437 | .get = cifs_xattr_get, | |
438 | .set = cifs_xattr_set, | |
439 | }; | |
440 | ||
441 | /* os2.* attributes are treated like user.* attributes */ | |
442 | static const struct xattr_handler cifs_os2_xattr_handler = { | |
443 | .prefix = XATTR_OS2_PREFIX, | |
444 | .flags = XATTR_USER, | |
445 | .get = cifs_xattr_get, | |
446 | .set = cifs_xattr_set, | |
447 | }; | |
448 | ||
449 | static const struct xattr_handler cifs_cifs_acl_xattr_handler = { | |
450 | .name = CIFS_XATTR_CIFS_ACL, | |
451 | .flags = XATTR_CIFS_ACL, | |
452 | .get = cifs_xattr_get, | |
453 | .set = cifs_xattr_set, | |
454 | }; | |
455 | ||
c4f7173a SF |
456 | /* |
457 | * Although this is just an alias for the above, need to move away from | |
458 | * confusing users and using the 20 year old term 'cifs' when it is no | |
459 | * longer secure and was replaced by SMB2/SMB3 a long time ago, and | |
460 | * SMB3 and later are highly secure. | |
461 | */ | |
462 | static const struct xattr_handler smb3_acl_xattr_handler = { | |
463 | .name = SMB3_XATTR_CIFS_ACL, | |
464 | .flags = XATTR_CIFS_ACL, | |
465 | .get = cifs_xattr_get, | |
466 | .set = cifs_xattr_set, | |
467 | }; | |
468 | ||
438471b6 BP |
469 | static const struct xattr_handler cifs_cifs_ntsd_xattr_handler = { |
470 | .name = CIFS_XATTR_CIFS_NTSD, | |
471 | .flags = XATTR_CIFS_NTSD, | |
472 | .get = cifs_xattr_get, | |
473 | .set = cifs_xattr_set, | |
474 | }; | |
475 | ||
476 | /* | |
477 | * Although this is just an alias for the above, need to move away from | |
478 | * confusing users and using the 20 year old term 'cifs' when it is no | |
479 | * longer secure and was replaced by SMB2/SMB3 a long time ago, and | |
480 | * SMB3 and later are highly secure. | |
481 | */ | |
482 | static const struct xattr_handler smb3_ntsd_xattr_handler = { | |
483 | .name = SMB3_XATTR_CIFS_NTSD, | |
484 | .flags = XATTR_CIFS_NTSD, | |
485 | .get = cifs_xattr_get, | |
486 | .set = cifs_xattr_set, | |
487 | }; | |
488 | ||
a9ae008f AG |
489 | static const struct xattr_handler cifs_posix_acl_access_xattr_handler = { |
490 | .name = XATTR_NAME_POSIX_ACL_ACCESS, | |
491 | .flags = XATTR_ACL_ACCESS, | |
492 | .get = cifs_xattr_get, | |
493 | .set = cifs_xattr_set, | |
494 | }; | |
495 | ||
496 | static const struct xattr_handler cifs_posix_acl_default_xattr_handler = { | |
497 | .name = XATTR_NAME_POSIX_ACL_DEFAULT, | |
498 | .flags = XATTR_ACL_DEFAULT, | |
499 | .get = cifs_xattr_get, | |
500 | .set = cifs_xattr_set, | |
501 | }; | |
502 | ||
503 | const struct xattr_handler *cifs_xattr_handlers[] = { | |
504 | &cifs_user_xattr_handler, | |
505 | &cifs_os2_xattr_handler, | |
506 | &cifs_cifs_acl_xattr_handler, | |
c4f7173a | 507 | &smb3_acl_xattr_handler, /* alias for above since avoiding "cifs" */ |
438471b6 BP |
508 | &cifs_cifs_ntsd_xattr_handler, |
509 | &smb3_ntsd_xattr_handler, /* alias for above since avoiding "cifs" */ | |
a9ae008f AG |
510 | &cifs_posix_acl_access_xattr_handler, |
511 | &cifs_posix_acl_default_xattr_handler, | |
512 | NULL | |
513 | }; |