Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * fs/nfsd/nfs4proc.c | |
3 | * | |
4 | * Server-side procedures for NFSv4. | |
5 | * | |
6 | * Copyright (c) 2002 The Regents of the University of Michigan. | |
7 | * All rights reserved. | |
8 | * | |
9 | * Kendrick Smith <kmsmith@umich.edu> | |
10 | * Andy Adamson <andros@umich.edu> | |
11 | * | |
12 | * Redistribution and use in source and binary forms, with or without | |
13 | * modification, are permitted provided that the following conditions | |
14 | * are met: | |
15 | * | |
16 | * 1. Redistributions of source code must retain the above copyright | |
17 | * notice, this list of conditions and the following disclaimer. | |
18 | * 2. Redistributions in binary form must reproduce the above copyright | |
19 | * notice, this list of conditions and the following disclaimer in the | |
20 | * documentation and/or other materials provided with the distribution. | |
21 | * 3. Neither the name of the University nor the names of its | |
22 | * contributors may be used to endorse or promote products derived | |
23 | * from this software without specific prior written permission. | |
24 | * | |
25 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
26 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
27 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
28 | * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
29 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
30 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
31 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR | |
32 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
33 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
34 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
35 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
1da177e4 LT |
36 | */ |
37 | ||
38 | #include <linux/param.h> | |
39 | #include <linux/major.h> | |
40 | #include <linux/slab.h> | |
7e06b7f9 | 41 | #include <linux/file.h> |
1da177e4 LT |
42 | |
43 | #include <linux/sunrpc/svc.h> | |
44 | #include <linux/nfsd/nfsd.h> | |
45 | #include <linux/nfsd/cache.h> | |
46 | #include <linux/nfs4.h> | |
47 | #include <linux/nfsd/state.h> | |
48 | #include <linux/nfsd/xdr4.h> | |
49 | #include <linux/nfs4_acl.h> | |
dcb488a3 | 50 | #include <linux/sunrpc/gss_api.h> |
1da177e4 LT |
51 | |
52 | #define NFSDDBG_FACILITY NFSDDBG_PROC | |
53 | ||
3c8e0316 YZ |
54 | static u32 nfsd_attrmask[] = { |
55 | NFSD_WRITEABLE_ATTRS_WORD0, | |
56 | NFSD_WRITEABLE_ATTRS_WORD1, | |
57 | NFSD_WRITEABLE_ATTRS_WORD2 | |
58 | }; | |
59 | ||
60 | static u32 nfsd41_ex_attrmask[] = { | |
61 | NFSD_SUPPATTR_EXCLCREAT_WORD0, | |
62 | NFSD_SUPPATTR_EXCLCREAT_WORD1, | |
63 | NFSD_SUPPATTR_EXCLCREAT_WORD2 | |
64 | }; | |
65 | ||
66 | static __be32 | |
67 | check_attr_support(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, | |
68 | u32 *bmval, u32 *writable) | |
69 | { | |
70 | struct dentry *dentry = cstate->current_fh.fh_dentry; | |
71 | struct svc_export *exp = cstate->current_fh.fh_export; | |
72 | ||
73 | /* | |
74 | * Check about attributes are supported by the NFSv4 server or not. | |
75 | * According to spec, unsupported attributes return ERR_ATTRNOTSUPP. | |
76 | */ | |
77 | if ((bmval[0] & ~nfsd_suppattrs0(cstate->minorversion)) || | |
78 | (bmval[1] & ~nfsd_suppattrs1(cstate->minorversion)) || | |
79 | (bmval[2] & ~nfsd_suppattrs2(cstate->minorversion))) | |
80 | return nfserr_attrnotsupp; | |
81 | ||
82 | /* | |
83 | * Check FATTR4_WORD0_ACL & FATTR4_WORD0_FS_LOCATIONS can be supported | |
84 | * in current environment or not. | |
85 | */ | |
86 | if (bmval[0] & FATTR4_WORD0_ACL) { | |
87 | if (!IS_POSIXACL(dentry->d_inode)) | |
88 | return nfserr_attrnotsupp; | |
89 | } | |
90 | if (bmval[0] & FATTR4_WORD0_FS_LOCATIONS) { | |
91 | if (exp->ex_fslocs.locations == NULL) | |
92 | return nfserr_attrnotsupp; | |
93 | } | |
94 | ||
95 | /* | |
96 | * According to spec, read-only attributes return ERR_INVAL. | |
97 | */ | |
98 | if (writable) { | |
99 | if ((bmval[0] & ~writable[0]) || (bmval[1] & ~writable[1]) || | |
100 | (bmval[2] & ~writable[2])) | |
101 | return nfserr_inval; | |
102 | } | |
103 | ||
104 | return nfs_ok; | |
105 | } | |
106 | ||
107 | static __be32 | |
108 | nfsd4_check_open_attributes(struct svc_rqst *rqstp, | |
109 | struct nfsd4_compound_state *cstate, struct nfsd4_open *open) | |
110 | { | |
111 | __be32 status = nfs_ok; | |
112 | ||
113 | if (open->op_create == NFS4_OPEN_CREATE) { | |
114 | if (open->op_createmode == NFS4_CREATE_UNCHECKED | |
115 | || open->op_createmode == NFS4_CREATE_GUARDED) | |
116 | status = check_attr_support(rqstp, cstate, | |
117 | open->op_bmval, nfsd_attrmask); | |
118 | else if (open->op_createmode == NFS4_CREATE_EXCLUSIVE4_1) | |
119 | status = check_attr_support(rqstp, cstate, | |
120 | open->op_bmval, nfsd41_ex_attrmask); | |
121 | } | |
122 | ||
123 | return status; | |
124 | } | |
125 | ||
9208faf2 YZ |
126 | static int |
127 | is_create_with_attrs(struct nfsd4_open *open) | |
128 | { | |
129 | return open->op_create == NFS4_OPEN_CREATE | |
130 | && (open->op_createmode == NFS4_CREATE_UNCHECKED | |
131 | || open->op_createmode == NFS4_CREATE_GUARDED | |
132 | || open->op_createmode == NFS4_CREATE_EXCLUSIVE4_1); | |
133 | } | |
134 | ||
135 | /* | |
136 | * if error occurs when setting the acl, just clear the acl bit | |
137 | * in the returned attr bitmap. | |
138 | */ | |
139 | static void | |
140 | do_set_nfs4_acl(struct svc_rqst *rqstp, struct svc_fh *fhp, | |
141 | struct nfs4_acl *acl, u32 *bmval) | |
142 | { | |
143 | __be32 status; | |
144 | ||
145 | status = nfsd4_set_nfs4_acl(rqstp, fhp, acl); | |
146 | if (status) | |
147 | /* | |
148 | * We should probably fail the whole open at this point, | |
149 | * but we've already created the file, so it's too late; | |
150 | * So this seems the least of evils: | |
151 | */ | |
152 | bmval[0] &= ~FATTR4_WORD0_ACL; | |
153 | } | |
154 | ||
1da177e4 LT |
155 | static inline void |
156 | fh_dup2(struct svc_fh *dst, struct svc_fh *src) | |
157 | { | |
158 | fh_put(dst); | |
159 | dget(src->fh_dentry); | |
160 | if (src->fh_export) | |
161 | cache_get(&src->fh_export->h); | |
162 | *dst = *src; | |
163 | } | |
164 | ||
b37ad28b | 165 | static __be32 |
dc730e17 | 166 | do_open_permission(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_open *open, int accmode) |
1da177e4 | 167 | { |
b37ad28b | 168 | __be32 status; |
1da177e4 LT |
169 | |
170 | if (open->op_truncate && | |
171 | !(open->op_share_access & NFS4_SHARE_ACCESS_WRITE)) | |
172 | return nfserr_inval; | |
173 | ||
1da177e4 | 174 | if (open->op_share_access & NFS4_SHARE_ACCESS_READ) |
8837abca | 175 | accmode |= NFSD_MAY_READ; |
9801d8a3 | 176 | if (open->op_share_access & NFS4_SHARE_ACCESS_WRITE) |
8837abca | 177 | accmode |= (NFSD_MAY_WRITE | NFSD_MAY_TRUNC); |
9801d8a3 | 178 | if (open->op_share_deny & NFS4_SHARE_DENY_WRITE) |
8837abca | 179 | accmode |= NFSD_MAY_WRITE; |
1da177e4 LT |
180 | |
181 | status = fh_verify(rqstp, current_fh, S_IFREG, accmode); | |
182 | ||
183 | return status; | |
184 | } | |
185 | ||
b37ad28b | 186 | static __be32 |
1da177e4 LT |
187 | do_open_lookup(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_open *open) |
188 | { | |
189 | struct svc_fh resfh; | |
b37ad28b | 190 | __be32 status; |
81ac95c5 | 191 | int created = 0; |
1da177e4 LT |
192 | |
193 | fh_init(&resfh, NFS4_FHSIZE); | |
194 | open->op_truncate = 0; | |
195 | ||
196 | if (open->op_create) { | |
79fb54ab BH |
197 | /* FIXME: check session persistence and pnfs flags. |
198 | * The nfsv4.1 spec requires the following semantics: | |
199 | * | |
200 | * Persistent | pNFS | Server REQUIRED | Client Allowed | |
201 | * Reply Cache | server | | | |
202 | * -------------+--------+-----------------+-------------------- | |
203 | * no | no | EXCLUSIVE4_1 | EXCLUSIVE4_1 | |
204 | * | | | (SHOULD) | |
205 | * | | and EXCLUSIVE4 | or EXCLUSIVE4 | |
206 | * | | | (SHOULD NOT) | |
207 | * no | yes | EXCLUSIVE4_1 | EXCLUSIVE4_1 | |
208 | * yes | no | GUARDED4 | GUARDED4 | |
209 | * yes | yes | GUARDED4 | GUARDED4 | |
210 | */ | |
211 | ||
1da177e4 LT |
212 | /* |
213 | * Note: create modes (UNCHECKED,GUARDED...) are the same | |
214 | * in NFSv4 as in v3. | |
215 | */ | |
216 | status = nfsd_create_v3(rqstp, current_fh, open->op_fname.data, | |
217 | open->op_fname.len, &open->op_iattr, | |
218 | &resfh, open->op_createmode, | |
749997e5 JL |
219 | (u32 *)open->op_verf.data, |
220 | &open->op_truncate, &created); | |
221 | ||
99f88726 BF |
222 | /* |
223 | * Following rfc 3530 14.2.16, use the returned bitmask | |
224 | * to indicate which attributes we used to store the | |
225 | * verifier: | |
749997e5 JL |
226 | */ |
227 | if (open->op_createmode == NFS4_CREATE_EXCLUSIVE && status == 0) | |
99f88726 | 228 | open->op_bmval[1] = (FATTR4_WORD1_TIME_ACCESS | |
749997e5 | 229 | FATTR4_WORD1_TIME_MODIFY); |
af85852d | 230 | } else { |
1da177e4 LT |
231 | status = nfsd_lookup(rqstp, current_fh, |
232 | open->op_fname.data, open->op_fname.len, &resfh); | |
233 | fh_unlock(current_fh); | |
234 | } | |
af85852d BF |
235 | if (status) |
236 | goto out; | |
1da177e4 | 237 | |
9208faf2 YZ |
238 | if (is_create_with_attrs(open) && open->op_acl != NULL) |
239 | do_set_nfs4_acl(rqstp, &resfh, open->op_acl, open->op_bmval); | |
240 | ||
af85852d | 241 | set_change_info(&open->op_cinfo, current_fh); |
13024b7b | 242 | fh_dup2(current_fh, &resfh); |
1da177e4 | 243 | |
af85852d | 244 | /* set reply cache */ |
a4773c08 BF |
245 | fh_copy_shallow(&open->op_stateowner->so_replay.rp_openfh, |
246 | &resfh.fh_handle); | |
81ac95c5 | 247 | if (!created) |
8837abca MS |
248 | status = do_open_permission(rqstp, current_fh, open, |
249 | NFSD_MAY_NOP); | |
1da177e4 | 250 | |
af85852d | 251 | out: |
1da177e4 LT |
252 | fh_put(&resfh); |
253 | return status; | |
254 | } | |
255 | ||
b37ad28b | 256 | static __be32 |
1da177e4 LT |
257 | do_open_fhandle(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_open *open) |
258 | { | |
b37ad28b | 259 | __be32 status; |
1da177e4 LT |
260 | |
261 | /* Only reclaims from previously confirmed clients are valid */ | |
262 | if ((status = nfs4_check_open_reclaim(&open->op_clientid))) | |
263 | return status; | |
264 | ||
265 | /* We don't know the target directory, and therefore can not | |
266 | * set the change info | |
267 | */ | |
268 | ||
269 | memset(&open->op_cinfo, 0, sizeof(struct nfsd4_change_info)); | |
270 | ||
271 | /* set replay cache */ | |
a4773c08 BF |
272 | fh_copy_shallow(&open->op_stateowner->so_replay.rp_openfh, |
273 | ¤t_fh->fh_handle); | |
1da177e4 LT |
274 | |
275 | open->op_truncate = (open->op_iattr.ia_valid & ATTR_SIZE) && | |
276 | (open->op_iattr.ia_size == 0); | |
277 | ||
8837abca MS |
278 | status = do_open_permission(rqstp, current_fh, open, |
279 | NFSD_MAY_OWNER_OVERRIDE); | |
1da177e4 LT |
280 | |
281 | return status; | |
282 | } | |
283 | ||
60adfc50 AA |
284 | static void |
285 | copy_clientid(clientid_t *clid, struct nfsd4_session *session) | |
286 | { | |
287 | struct nfsd4_sessionid *sid = | |
288 | (struct nfsd4_sessionid *)session->se_sessionid.data; | |
289 | ||
290 | clid->cl_boot = sid->clientid.cl_boot; | |
291 | clid->cl_id = sid->clientid.cl_id; | |
292 | } | |
1da177e4 | 293 | |
7191155b | 294 | static __be32 |
ca364317 | 295 | nfsd4_open(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
a4f1706a | 296 | struct nfsd4_open *open) |
1da177e4 | 297 | { |
b37ad28b | 298 | __be32 status; |
6668958f AA |
299 | struct nfsd4_compoundres *resp; |
300 | ||
1da177e4 LT |
301 | dprintk("NFSD: nfsd4_open filename %.*s op_stateowner %p\n", |
302 | (int)open->op_fname.len, open->op_fname.data, | |
303 | open->op_stateowner); | |
304 | ||
1da177e4 LT |
305 | /* This check required by spec. */ |
306 | if (open->op_create && open->op_claim_type != NFS4_OPEN_CLAIM_NULL) | |
307 | return nfserr_inval; | |
308 | ||
60adfc50 AA |
309 | if (nfsd4_has_session(cstate)) |
310 | copy_clientid(&open->op_clientid, cstate->session); | |
311 | ||
1da177e4 LT |
312 | nfs4_lock_state(); |
313 | ||
314 | /* check seqid for replay. set nfs4_owner */ | |
6668958f AA |
315 | resp = rqstp->rq_resp; |
316 | status = nfsd4_process_open1(&resp->cstate, open); | |
a90b061c | 317 | if (status == nfserr_replay_me) { |
1da177e4 | 318 | struct nfs4_replay *rp = &open->op_stateowner->so_replay; |
ca364317 | 319 | fh_put(&cstate->current_fh); |
a4773c08 BF |
320 | fh_copy_shallow(&cstate->current_fh.fh_handle, |
321 | &rp->rp_openfh); | |
8837abca | 322 | status = fh_verify(rqstp, &cstate->current_fh, 0, NFSD_MAY_NOP); |
1da177e4 LT |
323 | if (status) |
324 | dprintk("nfsd4_open: replay failed" | |
325 | " restoring previous filehandle\n"); | |
326 | else | |
a90b061c | 327 | status = nfserr_replay_me; |
1da177e4 LT |
328 | } |
329 | if (status) | |
330 | goto out; | |
fb553c0f | 331 | |
3c8e0316 YZ |
332 | status = nfsd4_check_open_attributes(rqstp, cstate, open); |
333 | if (status) | |
334 | goto out; | |
335 | ||
fb553c0f BF |
336 | /* Openowner is now set, so sequence id will get bumped. Now we need |
337 | * these checks before we do any creates: */ | |
cbd0d51a | 338 | status = nfserr_grace; |
af558e33 | 339 | if (locks_in_grace() && open->op_claim_type != NFS4_OPEN_CLAIM_PREVIOUS) |
cbd0d51a BF |
340 | goto out; |
341 | status = nfserr_no_grace; | |
af558e33 | 342 | if (!locks_in_grace() && open->op_claim_type == NFS4_OPEN_CLAIM_PREVIOUS) |
cbd0d51a | 343 | goto out; |
fb553c0f | 344 | |
1da177e4 | 345 | switch (open->op_claim_type) { |
0dd3c192 | 346 | case NFS4_OPEN_CLAIM_DELEGATE_CUR: |
1da177e4 LT |
347 | case NFS4_OPEN_CLAIM_NULL: |
348 | /* | |
349 | * (1) set CURRENT_FH to the file being opened, | |
350 | * creating it if necessary, (2) set open->op_cinfo, | |
351 | * (3) set open->op_truncate if the file is to be | |
352 | * truncated after opening, (4) do permission checking. | |
353 | */ | |
ca364317 BF |
354 | status = do_open_lookup(rqstp, &cstate->current_fh, |
355 | open); | |
1da177e4 LT |
356 | if (status) |
357 | goto out; | |
358 | break; | |
359 | case NFS4_OPEN_CLAIM_PREVIOUS: | |
a525825d | 360 | open->op_stateowner->so_confirmed = 1; |
1da177e4 LT |
361 | /* |
362 | * The CURRENT_FH is already set to the file being | |
363 | * opened. (1) set open->op_cinfo, (2) set | |
364 | * open->op_truncate if the file is to be truncated | |
365 | * after opening, (3) do permission checking. | |
366 | */ | |
ca364317 BF |
367 | status = do_open_fhandle(rqstp, &cstate->current_fh, |
368 | open); | |
1da177e4 LT |
369 | if (status) |
370 | goto out; | |
371 | break; | |
1da177e4 | 372 | case NFS4_OPEN_CLAIM_DELEGATE_PREV: |
a525825d | 373 | open->op_stateowner->so_confirmed = 1; |
2fdada03 | 374 | dprintk("NFSD: unsupported OPEN claim type %d\n", |
1da177e4 LT |
375 | open->op_claim_type); |
376 | status = nfserr_notsupp; | |
377 | goto out; | |
378 | default: | |
2fdada03 | 379 | dprintk("NFSD: Invalid OPEN claim type %d\n", |
1da177e4 LT |
380 | open->op_claim_type); |
381 | status = nfserr_inval; | |
382 | goto out; | |
383 | } | |
384 | /* | |
385 | * nfsd4_process_open2() does the actual opening of the file. If | |
386 | * successful, it (1) truncates the file if open->op_truncate was | |
387 | * set, (2) sets open->op_stateid, (3) sets open->op_delegation. | |
388 | */ | |
ca364317 | 389 | status = nfsd4_process_open2(rqstp, &cstate->current_fh, open); |
1da177e4 | 390 | out: |
f2327d9a | 391 | if (open->op_stateowner) { |
1da177e4 | 392 | nfs4_get_stateowner(open->op_stateowner); |
a4f1706a | 393 | cstate->replay_owner = open->op_stateowner; |
f2327d9a | 394 | } |
1da177e4 LT |
395 | nfs4_unlock_state(); |
396 | return status; | |
397 | } | |
398 | ||
399 | /* | |
400 | * filehandle-manipulating ops. | |
401 | */ | |
7191155b | 402 | static __be32 |
b591480b BF |
403 | nfsd4_getfh(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
404 | struct svc_fh **getfh) | |
1da177e4 | 405 | { |
ca364317 | 406 | if (!cstate->current_fh.fh_dentry) |
1da177e4 LT |
407 | return nfserr_nofilehandle; |
408 | ||
ca364317 | 409 | *getfh = &cstate->current_fh; |
1da177e4 LT |
410 | return nfs_ok; |
411 | } | |
412 | ||
7191155b | 413 | static __be32 |
ca364317 BF |
414 | nfsd4_putfh(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
415 | struct nfsd4_putfh *putfh) | |
1da177e4 | 416 | { |
ca364317 BF |
417 | fh_put(&cstate->current_fh); |
418 | cstate->current_fh.fh_handle.fh_size = putfh->pf_fhlen; | |
419 | memcpy(&cstate->current_fh.fh_handle.fh_base, putfh->pf_fhval, | |
420 | putfh->pf_fhlen); | |
8837abca | 421 | return fh_verify(rqstp, &cstate->current_fh, 0, NFSD_MAY_NOP); |
1da177e4 LT |
422 | } |
423 | ||
7191155b | 424 | static __be32 |
b591480b BF |
425 | nfsd4_putrootfh(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
426 | void *arg) | |
1da177e4 | 427 | { |
b37ad28b | 428 | __be32 status; |
1da177e4 | 429 | |
ca364317 | 430 | fh_put(&cstate->current_fh); |
df547efb | 431 | status = exp_pseudoroot(rqstp, &cstate->current_fh); |
1da177e4 LT |
432 | return status; |
433 | } | |
434 | ||
7191155b | 435 | static __be32 |
b591480b BF |
436 | nfsd4_restorefh(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
437 | void *arg) | |
1da177e4 | 438 | { |
ca364317 | 439 | if (!cstate->save_fh.fh_dentry) |
1da177e4 LT |
440 | return nfserr_restorefh; |
441 | ||
ca364317 | 442 | fh_dup2(&cstate->current_fh, &cstate->save_fh); |
1da177e4 LT |
443 | return nfs_ok; |
444 | } | |
445 | ||
7191155b | 446 | static __be32 |
b591480b BF |
447 | nfsd4_savefh(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
448 | void *arg) | |
1da177e4 | 449 | { |
ca364317 | 450 | if (!cstate->current_fh.fh_dentry) |
1da177e4 LT |
451 | return nfserr_nofilehandle; |
452 | ||
ca364317 | 453 | fh_dup2(&cstate->save_fh, &cstate->current_fh); |
1da177e4 LT |
454 | return nfs_ok; |
455 | } | |
456 | ||
457 | /* | |
458 | * misc nfsv4 ops | |
459 | */ | |
7191155b | 460 | static __be32 |
ca364317 BF |
461 | nfsd4_access(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
462 | struct nfsd4_access *access) | |
1da177e4 LT |
463 | { |
464 | if (access->ac_req_access & ~NFS3_ACCESS_FULL) | |
465 | return nfserr_inval; | |
466 | ||
467 | access->ac_resp_access = access->ac_req_access; | |
ca364317 BF |
468 | return nfsd_access(rqstp, &cstate->current_fh, &access->ac_resp_access, |
469 | &access->ac_supported); | |
1da177e4 LT |
470 | } |
471 | ||
7191155b | 472 | static __be32 |
ca364317 BF |
473 | nfsd4_commit(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
474 | struct nfsd4_commit *commit) | |
1da177e4 | 475 | { |
b37ad28b | 476 | __be32 status; |
1da177e4 LT |
477 | |
478 | u32 *p = (u32 *)commit->co_verf.data; | |
479 | *p++ = nfssvc_boot.tv_sec; | |
480 | *p++ = nfssvc_boot.tv_usec; | |
481 | ||
ca364317 BF |
482 | status = nfsd_commit(rqstp, &cstate->current_fh, commit->co_offset, |
483 | commit->co_count); | |
1da177e4 LT |
484 | if (status == nfserr_symlink) |
485 | status = nfserr_inval; | |
486 | return status; | |
487 | } | |
488 | ||
b37ad28b | 489 | static __be32 |
ca364317 BF |
490 | nfsd4_create(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
491 | struct nfsd4_create *create) | |
1da177e4 LT |
492 | { |
493 | struct svc_fh resfh; | |
b37ad28b | 494 | __be32 status; |
1da177e4 LT |
495 | dev_t rdev; |
496 | ||
497 | fh_init(&resfh, NFS4_FHSIZE); | |
498 | ||
8837abca MS |
499 | status = fh_verify(rqstp, &cstate->current_fh, S_IFDIR, |
500 | NFSD_MAY_CREATE); | |
1da177e4 LT |
501 | if (status == nfserr_symlink) |
502 | status = nfserr_notdir; | |
503 | if (status) | |
504 | return status; | |
505 | ||
3c8e0316 YZ |
506 | status = check_attr_support(rqstp, cstate, create->cr_bmval, |
507 | nfsd_attrmask); | |
508 | if (status) | |
509 | return status; | |
510 | ||
1da177e4 LT |
511 | switch (create->cr_type) { |
512 | case NF4LNK: | |
513 | /* ugh! we have to null-terminate the linktext, or | |
514 | * vfs_symlink() will choke. it is always safe to | |
515 | * null-terminate by brute force, since at worst we | |
516 | * will overwrite the first byte of the create namelen | |
517 | * in the XDR buffer, which has already been extracted | |
518 | * during XDR decode. | |
519 | */ | |
520 | create->cr_linkname[create->cr_linklen] = 0; | |
521 | ||
ca364317 BF |
522 | status = nfsd_symlink(rqstp, &cstate->current_fh, |
523 | create->cr_name, create->cr_namelen, | |
524 | create->cr_linkname, create->cr_linklen, | |
525 | &resfh, &create->cr_iattr); | |
1da177e4 LT |
526 | break; |
527 | ||
528 | case NF4BLK: | |
529 | rdev = MKDEV(create->cr_specdata1, create->cr_specdata2); | |
530 | if (MAJOR(rdev) != create->cr_specdata1 || | |
531 | MINOR(rdev) != create->cr_specdata2) | |
532 | return nfserr_inval; | |
ca364317 BF |
533 | status = nfsd_create(rqstp, &cstate->current_fh, |
534 | create->cr_name, create->cr_namelen, | |
535 | &create->cr_iattr, S_IFBLK, rdev, &resfh); | |
1da177e4 LT |
536 | break; |
537 | ||
538 | case NF4CHR: | |
539 | rdev = MKDEV(create->cr_specdata1, create->cr_specdata2); | |
540 | if (MAJOR(rdev) != create->cr_specdata1 || | |
541 | MINOR(rdev) != create->cr_specdata2) | |
542 | return nfserr_inval; | |
ca364317 BF |
543 | status = nfsd_create(rqstp, &cstate->current_fh, |
544 | create->cr_name, create->cr_namelen, | |
545 | &create->cr_iattr,S_IFCHR, rdev, &resfh); | |
1da177e4 LT |
546 | break; |
547 | ||
548 | case NF4SOCK: | |
ca364317 BF |
549 | status = nfsd_create(rqstp, &cstate->current_fh, |
550 | create->cr_name, create->cr_namelen, | |
551 | &create->cr_iattr, S_IFSOCK, 0, &resfh); | |
1da177e4 LT |
552 | break; |
553 | ||
554 | case NF4FIFO: | |
ca364317 BF |
555 | status = nfsd_create(rqstp, &cstate->current_fh, |
556 | create->cr_name, create->cr_namelen, | |
557 | &create->cr_iattr, S_IFIFO, 0, &resfh); | |
1da177e4 LT |
558 | break; |
559 | ||
560 | case NF4DIR: | |
561 | create->cr_iattr.ia_valid &= ~ATTR_SIZE; | |
ca364317 BF |
562 | status = nfsd_create(rqstp, &cstate->current_fh, |
563 | create->cr_name, create->cr_namelen, | |
564 | &create->cr_iattr, S_IFDIR, 0, &resfh); | |
1da177e4 LT |
565 | break; |
566 | ||
567 | default: | |
568 | status = nfserr_badtype; | |
569 | } | |
570 | ||
9208faf2 YZ |
571 | if (status) |
572 | goto out; | |
1da177e4 | 573 | |
9208faf2 YZ |
574 | if (create->cr_acl != NULL) |
575 | do_set_nfs4_acl(rqstp, &resfh, create->cr_acl, | |
576 | create->cr_bmval); | |
577 | ||
578 | fh_unlock(&cstate->current_fh); | |
579 | set_change_info(&create->cr_cinfo, &cstate->current_fh); | |
580 | fh_dup2(&cstate->current_fh, &resfh); | |
581 | out: | |
1da177e4 LT |
582 | fh_put(&resfh); |
583 | return status; | |
584 | } | |
585 | ||
7191155b | 586 | static __be32 |
ca364317 BF |
587 | nfsd4_getattr(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
588 | struct nfsd4_getattr *getattr) | |
1da177e4 | 589 | { |
b37ad28b | 590 | __be32 status; |
1da177e4 | 591 | |
8837abca | 592 | status = fh_verify(rqstp, &cstate->current_fh, 0, NFSD_MAY_NOP); |
1da177e4 LT |
593 | if (status) |
594 | return status; | |
595 | ||
596 | if (getattr->ga_bmval[1] & NFSD_WRITEONLY_ATTRS_WORD1) | |
597 | return nfserr_inval; | |
598 | ||
7e705706 AA |
599 | getattr->ga_bmval[0] &= nfsd_suppattrs0(cstate->minorversion); |
600 | getattr->ga_bmval[1] &= nfsd_suppattrs1(cstate->minorversion); | |
601 | getattr->ga_bmval[2] &= nfsd_suppattrs2(cstate->minorversion); | |
1da177e4 | 602 | |
ca364317 | 603 | getattr->ga_fhp = &cstate->current_fh; |
1da177e4 LT |
604 | return nfs_ok; |
605 | } | |
606 | ||
7191155b | 607 | static __be32 |
ca364317 BF |
608 | nfsd4_link(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
609 | struct nfsd4_link *link) | |
1da177e4 | 610 | { |
b37ad28b | 611 | __be32 status = nfserr_nofilehandle; |
1da177e4 | 612 | |
ca364317 | 613 | if (!cstate->save_fh.fh_dentry) |
1da177e4 | 614 | return status; |
ca364317 BF |
615 | status = nfsd_link(rqstp, &cstate->current_fh, |
616 | link->li_name, link->li_namelen, &cstate->save_fh); | |
1da177e4 | 617 | if (!status) |
ca364317 | 618 | set_change_info(&link->li_cinfo, &cstate->current_fh); |
1da177e4 LT |
619 | return status; |
620 | } | |
621 | ||
b37ad28b | 622 | static __be32 |
b591480b BF |
623 | nfsd4_lookupp(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
624 | void *arg) | |
1da177e4 LT |
625 | { |
626 | struct svc_fh tmp_fh; | |
b37ad28b | 627 | __be32 ret; |
1da177e4 LT |
628 | |
629 | fh_init(&tmp_fh, NFS4_FHSIZE); | |
df547efb BF |
630 | ret = exp_pseudoroot(rqstp, &tmp_fh); |
631 | if (ret) | |
1da177e4 | 632 | return ret; |
ca364317 | 633 | if (tmp_fh.fh_dentry == cstate->current_fh.fh_dentry) { |
1da177e4 LT |
634 | fh_put(&tmp_fh); |
635 | return nfserr_noent; | |
636 | } | |
637 | fh_put(&tmp_fh); | |
ca364317 BF |
638 | return nfsd_lookup(rqstp, &cstate->current_fh, |
639 | "..", 2, &cstate->current_fh); | |
1da177e4 LT |
640 | } |
641 | ||
7191155b | 642 | static __be32 |
ca364317 BF |
643 | nfsd4_lookup(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
644 | struct nfsd4_lookup *lookup) | |
1da177e4 | 645 | { |
ca364317 BF |
646 | return nfsd_lookup(rqstp, &cstate->current_fh, |
647 | lookup->lo_name, lookup->lo_len, | |
648 | &cstate->current_fh); | |
1da177e4 LT |
649 | } |
650 | ||
7191155b | 651 | static __be32 |
ca364317 BF |
652 | nfsd4_read(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
653 | struct nfsd4_read *read) | |
1da177e4 | 654 | { |
b37ad28b | 655 | __be32 status; |
1da177e4 LT |
656 | |
657 | /* no need to check permission - this will be done in nfsd_read() */ | |
658 | ||
7e06b7f9 | 659 | read->rd_filp = NULL; |
1da177e4 LT |
660 | if (read->rd_offset >= OFFSET_MAX) |
661 | return nfserr_inval; | |
662 | ||
663 | nfs4_lock_state(); | |
664 | /* check stateid */ | |
dd453dfd BH |
665 | if ((status = nfs4_preprocess_stateid_op(cstate, &read->rd_stateid, |
666 | RD_STATE, &read->rd_filp))) { | |
1da177e4 LT |
667 | dprintk("NFSD: nfsd4_read: couldn't process stateid!\n"); |
668 | goto out; | |
669 | } | |
7e06b7f9 N |
670 | if (read->rd_filp) |
671 | get_file(read->rd_filp); | |
1da177e4 LT |
672 | status = nfs_ok; |
673 | out: | |
674 | nfs4_unlock_state(); | |
675 | read->rd_rqstp = rqstp; | |
ca364317 | 676 | read->rd_fhp = &cstate->current_fh; |
1da177e4 LT |
677 | return status; |
678 | } | |
679 | ||
7191155b | 680 | static __be32 |
ca364317 BF |
681 | nfsd4_readdir(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
682 | struct nfsd4_readdir *readdir) | |
1da177e4 LT |
683 | { |
684 | u64 cookie = readdir->rd_cookie; | |
685 | static const nfs4_verifier zeroverf; | |
686 | ||
687 | /* no need to check permission - this will be done in nfsd_readdir() */ | |
688 | ||
689 | if (readdir->rd_bmval[1] & NFSD_WRITEONLY_ATTRS_WORD1) | |
690 | return nfserr_inval; | |
691 | ||
7e705706 AA |
692 | readdir->rd_bmval[0] &= nfsd_suppattrs0(cstate->minorversion); |
693 | readdir->rd_bmval[1] &= nfsd_suppattrs1(cstate->minorversion); | |
694 | readdir->rd_bmval[2] &= nfsd_suppattrs2(cstate->minorversion); | |
1da177e4 LT |
695 | |
696 | if ((cookie > ~(u32)0) || (cookie == 1) || (cookie == 2) || | |
697 | (cookie == 0 && memcmp(readdir->rd_verf.data, zeroverf.data, NFS4_VERIFIER_SIZE))) | |
698 | return nfserr_bad_cookie; | |
699 | ||
700 | readdir->rd_rqstp = rqstp; | |
ca364317 | 701 | readdir->rd_fhp = &cstate->current_fh; |
1da177e4 LT |
702 | return nfs_ok; |
703 | } | |
704 | ||
7191155b | 705 | static __be32 |
ca364317 BF |
706 | nfsd4_readlink(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
707 | struct nfsd4_readlink *readlink) | |
1da177e4 LT |
708 | { |
709 | readlink->rl_rqstp = rqstp; | |
ca364317 | 710 | readlink->rl_fhp = &cstate->current_fh; |
1da177e4 LT |
711 | return nfs_ok; |
712 | } | |
713 | ||
7191155b | 714 | static __be32 |
ca364317 BF |
715 | nfsd4_remove(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
716 | struct nfsd4_remove *remove) | |
1da177e4 | 717 | { |
b37ad28b | 718 | __be32 status; |
1da177e4 | 719 | |
af558e33 | 720 | if (locks_in_grace()) |
c815afc7 | 721 | return nfserr_grace; |
ca364317 BF |
722 | status = nfsd_unlink(rqstp, &cstate->current_fh, 0, |
723 | remove->rm_name, remove->rm_namelen); | |
1da177e4 LT |
724 | if (status == nfserr_symlink) |
725 | return nfserr_notdir; | |
726 | if (!status) { | |
ca364317 BF |
727 | fh_unlock(&cstate->current_fh); |
728 | set_change_info(&remove->rm_cinfo, &cstate->current_fh); | |
1da177e4 LT |
729 | } |
730 | return status; | |
731 | } | |
732 | ||
7191155b | 733 | static __be32 |
ca364317 BF |
734 | nfsd4_rename(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
735 | struct nfsd4_rename *rename) | |
1da177e4 | 736 | { |
b37ad28b | 737 | __be32 status = nfserr_nofilehandle; |
1da177e4 | 738 | |
ca364317 | 739 | if (!cstate->save_fh.fh_dentry) |
1da177e4 | 740 | return status; |
af558e33 | 741 | if (locks_in_grace() && !(cstate->save_fh.fh_export->ex_flags |
c815afc7 N |
742 | & NFSEXP_NOSUBTREECHECK)) |
743 | return nfserr_grace; | |
ca364317 BF |
744 | status = nfsd_rename(rqstp, &cstate->save_fh, rename->rn_sname, |
745 | rename->rn_snamelen, &cstate->current_fh, | |
1da177e4 LT |
746 | rename->rn_tname, rename->rn_tnamelen); |
747 | ||
748 | /* the underlying filesystem returns different error's than required | |
749 | * by NFSv4. both save_fh and current_fh have been verified.. */ | |
750 | if (status == nfserr_isdir) | |
751 | status = nfserr_exist; | |
752 | else if ((status == nfserr_notdir) && | |
ca364317 BF |
753 | (S_ISDIR(cstate->save_fh.fh_dentry->d_inode->i_mode) && |
754 | S_ISDIR(cstate->current_fh.fh_dentry->d_inode->i_mode))) | |
1da177e4 LT |
755 | status = nfserr_exist; |
756 | else if (status == nfserr_symlink) | |
757 | status = nfserr_notdir; | |
758 | ||
759 | if (!status) { | |
ca364317 BF |
760 | set_change_info(&rename->rn_sinfo, &cstate->current_fh); |
761 | set_change_info(&rename->rn_tinfo, &cstate->save_fh); | |
1da177e4 LT |
762 | } |
763 | return status; | |
764 | } | |
765 | ||
dcb488a3 AA |
766 | static __be32 |
767 | nfsd4_secinfo(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, | |
768 | struct nfsd4_secinfo *secinfo) | |
769 | { | |
770 | struct svc_fh resfh; | |
771 | struct svc_export *exp; | |
772 | struct dentry *dentry; | |
773 | __be32 err; | |
774 | ||
775 | fh_init(&resfh, NFS4_FHSIZE); | |
776 | err = nfsd_lookup_dentry(rqstp, &cstate->current_fh, | |
777 | secinfo->si_name, secinfo->si_namelen, | |
778 | &exp, &dentry); | |
779 | if (err) | |
780 | return err; | |
781 | if (dentry->d_inode == NULL) { | |
782 | exp_put(exp); | |
783 | err = nfserr_noent; | |
784 | } else | |
785 | secinfo->si_exp = exp; | |
786 | dput(dentry); | |
787 | return err; | |
788 | } | |
789 | ||
7191155b | 790 | static __be32 |
ca364317 BF |
791 | nfsd4_setattr(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
792 | struct nfsd4_setattr *setattr) | |
1da177e4 | 793 | { |
b37ad28b | 794 | __be32 status = nfs_ok; |
1da177e4 | 795 | |
1da177e4 LT |
796 | if (setattr->sa_iattr.ia_valid & ATTR_SIZE) { |
797 | nfs4_lock_state(); | |
dd453dfd | 798 | status = nfs4_preprocess_stateid_op(cstate, |
6150ef0d | 799 | &setattr->sa_stateid, WR_STATE, NULL); |
1da177e4 | 800 | nfs4_unlock_state(); |
375c5547 | 801 | if (status) { |
3e3b4800 | 802 | dprintk("NFSD: nfsd4_setattr: couldn't process stateid!\n"); |
375c5547 BF |
803 | return status; |
804 | } | |
1da177e4 | 805 | } |
18f335af DH |
806 | status = mnt_want_write(cstate->current_fh.fh_export->ex_path.mnt); |
807 | if (status) | |
808 | return status; | |
1da177e4 | 809 | status = nfs_ok; |
3c8e0316 YZ |
810 | |
811 | status = check_attr_support(rqstp, cstate, setattr->sa_bmval, | |
812 | nfsd_attrmask); | |
813 | if (status) | |
814 | goto out; | |
815 | ||
1da177e4 | 816 | if (setattr->sa_acl != NULL) |
ca364317 BF |
817 | status = nfsd4_set_nfs4_acl(rqstp, &cstate->current_fh, |
818 | setattr->sa_acl); | |
1da177e4 | 819 | if (status) |
18f335af | 820 | goto out; |
ca364317 | 821 | status = nfsd_setattr(rqstp, &cstate->current_fh, &setattr->sa_iattr, |
1da177e4 | 822 | 0, (time_t)0); |
18f335af DH |
823 | out: |
824 | mnt_drop_write(cstate->current_fh.fh_export->ex_path.mnt); | |
1da177e4 LT |
825 | return status; |
826 | } | |
827 | ||
7191155b | 828 | static __be32 |
ca364317 BF |
829 | nfsd4_write(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
830 | struct nfsd4_write *write) | |
1da177e4 LT |
831 | { |
832 | stateid_t *stateid = &write->wr_stateid; | |
833 | struct file *filp = NULL; | |
834 | u32 *p; | |
b37ad28b | 835 | __be32 status = nfs_ok; |
31dec253 | 836 | unsigned long cnt; |
1da177e4 LT |
837 | |
838 | /* no need to check permission - this will be done in nfsd_write() */ | |
839 | ||
840 | if (write->wr_offset >= OFFSET_MAX) | |
841 | return nfserr_inval; | |
842 | ||
843 | nfs4_lock_state(); | |
dd453dfd | 844 | status = nfs4_preprocess_stateid_op(cstate, stateid, WR_STATE, &filp); |
7e06b7f9 N |
845 | if (filp) |
846 | get_file(filp); | |
1da177e4 LT |
847 | nfs4_unlock_state(); |
848 | ||
375c5547 BF |
849 | if (status) { |
850 | dprintk("NFSD: nfsd4_write: couldn't process stateid!\n"); | |
851 | return status; | |
852 | } | |
853 | ||
31dec253 | 854 | cnt = write->wr_buflen; |
1da177e4 LT |
855 | write->wr_how_written = write->wr_stable_how; |
856 | p = (u32 *)write->wr_verifier.data; | |
857 | *p++ = nfssvc_boot.tv_sec; | |
858 | *p++ = nfssvc_boot.tv_usec; | |
859 | ||
ca364317 BF |
860 | status = nfsd_write(rqstp, &cstate->current_fh, filp, |
861 | write->wr_offset, rqstp->rq_vec, write->wr_vlen, | |
31dec253 | 862 | &cnt, &write->wr_how_written); |
7e06b7f9 N |
863 | if (filp) |
864 | fput(filp); | |
1da177e4 | 865 | |
31dec253 DS |
866 | write->wr_bytes_written = cnt; |
867 | ||
1da177e4 LT |
868 | if (status == nfserr_symlink) |
869 | status = nfserr_inval; | |
870 | return status; | |
1da177e4 LT |
871 | } |
872 | ||
873 | /* This routine never returns NFS_OK! If there are no other errors, it | |
874 | * will return NFSERR_SAME or NFSERR_NOT_SAME depending on whether the | |
875 | * attributes matched. VERIFY is implemented by mapping NFSERR_SAME | |
876 | * to NFS_OK after the call; NVERIFY by mapping NFSERR_NOT_SAME to NFS_OK. | |
877 | */ | |
b37ad28b | 878 | static __be32 |
c954e2a5 | 879 | _nfsd4_verify(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
ca364317 | 880 | struct nfsd4_verify *verify) |
1da177e4 | 881 | { |
2ebbc012 | 882 | __be32 *buf, *p; |
1da177e4 | 883 | int count; |
b37ad28b | 884 | __be32 status; |
1da177e4 | 885 | |
8837abca | 886 | status = fh_verify(rqstp, &cstate->current_fh, 0, NFSD_MAY_NOP); |
1da177e4 LT |
887 | if (status) |
888 | return status; | |
889 | ||
3c8e0316 YZ |
890 | status = check_attr_support(rqstp, cstate, verify->ve_bmval, NULL); |
891 | if (status) | |
892 | return status; | |
893 | ||
1da177e4 LT |
894 | if ((verify->ve_bmval[0] & FATTR4_WORD0_RDATTR_ERROR) |
895 | || (verify->ve_bmval[1] & NFSD_WRITEONLY_ATTRS_WORD1)) | |
896 | return nfserr_inval; | |
897 | if (verify->ve_attrlen & 3) | |
898 | return nfserr_inval; | |
899 | ||
900 | /* count in words: | |
901 | * bitmap_len(1) + bitmap(2) + attr_len(1) = 4 | |
902 | */ | |
903 | count = 4 + (verify->ve_attrlen >> 2); | |
904 | buf = kmalloc(count << 2, GFP_KERNEL); | |
905 | if (!buf) | |
906 | return nfserr_resource; | |
907 | ||
ca364317 BF |
908 | status = nfsd4_encode_fattr(&cstate->current_fh, |
909 | cstate->current_fh.fh_export, | |
910 | cstate->current_fh.fh_dentry, buf, | |
1da177e4 | 911 | &count, verify->ve_bmval, |
406a7ea9 | 912 | rqstp, 0); |
1da177e4 LT |
913 | |
914 | /* this means that nfsd4_encode_fattr() ran out of space */ | |
915 | if (status == nfserr_resource && count == 0) | |
916 | status = nfserr_not_same; | |
917 | if (status) | |
918 | goto out_kfree; | |
919 | ||
95ec28cd BH |
920 | /* skip bitmap */ |
921 | p = buf + 1 + ntohl(buf[0]); | |
1da177e4 LT |
922 | status = nfserr_not_same; |
923 | if (ntohl(*p++) != verify->ve_attrlen) | |
924 | goto out_kfree; | |
925 | if (!memcmp(p, verify->ve_attrval, verify->ve_attrlen)) | |
926 | status = nfserr_same; | |
927 | ||
928 | out_kfree: | |
929 | kfree(buf); | |
930 | return status; | |
931 | } | |
932 | ||
c954e2a5 BF |
933 | static __be32 |
934 | nfsd4_nverify(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, | |
935 | struct nfsd4_verify *verify) | |
936 | { | |
937 | __be32 status; | |
938 | ||
939 | status = _nfsd4_verify(rqstp, cstate, verify); | |
940 | return status == nfserr_not_same ? nfs_ok : status; | |
941 | } | |
942 | ||
943 | static __be32 | |
944 | nfsd4_verify(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, | |
945 | struct nfsd4_verify *verify) | |
946 | { | |
947 | __be32 status; | |
948 | ||
949 | status = _nfsd4_verify(rqstp, cstate, verify); | |
950 | return status == nfserr_same ? nfs_ok : status; | |
951 | } | |
952 | ||
1da177e4 LT |
953 | /* |
954 | * NULL call. | |
955 | */ | |
7111c66e | 956 | static __be32 |
1da177e4 LT |
957 | nfsd4_proc_null(struct svc_rqst *rqstp, void *argp, void *resp) |
958 | { | |
959 | return nfs_ok; | |
960 | } | |
961 | ||
e2b20950 SA |
962 | static inline void nfsd4_increment_op_stats(u32 opnum) |
963 | { | |
964 | if (opnum >= FIRST_NFS4_OP && opnum <= LAST_NFS4_OP) | |
965 | nfsdstats.nfs4_opcount[opnum]++; | |
966 | } | |
967 | ||
b591480b BF |
968 | typedef __be32(*nfsd4op_func)(struct svc_rqst *, struct nfsd4_compound_state *, |
969 | void *); | |
f9bb94c4 AA |
970 | enum nfsd4_op_flags { |
971 | ALLOWED_WITHOUT_FH = 1 << 0, /* No current filehandle required */ | |
972 | ALLOWED_ON_ABSENT_FS = 2 << 0, /* ops processed on absent fs */ | |
973 | ALLOWED_AS_FIRST_OP = 3 << 0, /* ops reqired first in compound */ | |
974 | }; | |
b591480b BF |
975 | |
976 | struct nfsd4_operation { | |
977 | nfsd4op_func op_func; | |
978 | u32 op_flags; | |
b001a1b6 | 979 | char *op_name; |
b591480b BF |
980 | }; |
981 | ||
982 | static struct nfsd4_operation nfsd4_ops[]; | |
983 | ||
f1c7f79b | 984 | static const char *nfsd4_op_name(unsigned opnum); |
b001a1b6 | 985 | |
f9bb94c4 AA |
986 | /* |
987 | * Enforce NFSv4.1 COMPOUND ordering rules. | |
988 | * | |
989 | * TODO: | |
990 | * - enforce NFS4ERR_NOT_ONLY_OP, | |
991 | * - DESTROY_SESSION MUST be the final operation in the COMPOUND request. | |
992 | */ | |
993 | static bool nfs41_op_ordering_ok(struct nfsd4_compoundargs *args) | |
994 | { | |
995 | if (args->minorversion && args->opcnt > 0) { | |
996 | struct nfsd4_op *op = &args->ops[0]; | |
997 | return (op->status == nfserr_op_illegal) || | |
998 | (nfsd4_ops[op->opnum].op_flags & ALLOWED_AS_FIRST_OP); | |
999 | } | |
1000 | return true; | |
1001 | } | |
1002 | ||
1da177e4 LT |
1003 | /* |
1004 | * COMPOUND call. | |
1005 | */ | |
7111c66e | 1006 | static __be32 |
1da177e4 LT |
1007 | nfsd4_proc_compound(struct svc_rqst *rqstp, |
1008 | struct nfsd4_compoundargs *args, | |
1009 | struct nfsd4_compoundres *resp) | |
1010 | { | |
1011 | struct nfsd4_op *op; | |
b591480b | 1012 | struct nfsd4_operation *opdesc; |
e354d571 | 1013 | struct nfsd4_compound_state *cstate = &resp->cstate; |
e5710199 | 1014 | int slack_bytes; |
b37ad28b | 1015 | __be32 status; |
1da177e4 | 1016 | |
1da177e4 | 1017 | resp->xbuf = &rqstp->rq_res; |
e354d571 AA |
1018 | resp->p = rqstp->rq_res.head[0].iov_base + |
1019 | rqstp->rq_res.head[0].iov_len; | |
1da177e4 LT |
1020 | resp->tagp = resp->p; |
1021 | /* reserve space for: taglen, tag, and opcnt */ | |
1022 | resp->p += 2 + XDR_QUADLEN(args->taglen); | |
1023 | resp->end = rqstp->rq_res.head[0].iov_base + PAGE_SIZE; | |
1024 | resp->taglen = args->taglen; | |
1025 | resp->tag = args->tag; | |
1026 | resp->opcnt = 0; | |
1027 | resp->rqstp = rqstp; | |
d87a8ade | 1028 | resp->cstate.minorversion = args->minorversion; |
e354d571 AA |
1029 | resp->cstate.replay_owner = NULL; |
1030 | fh_init(&resp->cstate.current_fh, NFS4_FHSIZE); | |
1031 | fh_init(&resp->cstate.save_fh, NFS4_FHSIZE); | |
2f425878 AA |
1032 | /* Use the deferral mechanism only for NFSv4.0 compounds */ |
1033 | rqstp->rq_usedeferral = (args->minorversion == 0); | |
1da177e4 LT |
1034 | |
1035 | /* | |
1036 | * According to RFC3010, this takes precedence over all other errors. | |
1037 | */ | |
1038 | status = nfserr_minor_vers_mismatch; | |
8daf220a | 1039 | if (args->minorversion > nfsd_supported_minorversion) |
1da177e4 LT |
1040 | goto out; |
1041 | ||
f9bb94c4 AA |
1042 | if (!nfs41_op_ordering_ok(args)) { |
1043 | op = &args->ops[0]; | |
1044 | op->status = nfserr_sequence_pos; | |
1045 | goto encode_op; | |
1046 | } | |
1047 | ||
1da177e4 LT |
1048 | status = nfs_ok; |
1049 | while (!status && resp->opcnt < args->opcnt) { | |
1050 | op = &args->ops[resp->opcnt++]; | |
1051 | ||
b001a1b6 BH |
1052 | dprintk("nfsv4 compound op #%d/%d: %d (%s)\n", |
1053 | resp->opcnt, args->opcnt, op->opnum, | |
1054 | nfsd4_op_name(op->opnum)); | |
1da177e4 LT |
1055 | /* |
1056 | * The XDR decode routines may have pre-set op->status; | |
1057 | * for example, if there is a miscellaneous XDR error | |
1058 | * it will be set to nfserr_bad_xdr. | |
1059 | */ | |
1060 | if (op->status) | |
1061 | goto encode_op; | |
1062 | ||
1063 | /* We must be able to encode a successful response to | |
1064 | * this operation, with enough room left over to encode a | |
1065 | * failed response to the next operation. If we don't | |
1066 | * have enough room, fail with ERR_RESOURCE. | |
1067 | */ | |
e5710199 BF |
1068 | slack_bytes = (char *)resp->end - (char *)resp->p; |
1069 | if (slack_bytes < COMPOUND_SLACK_SPACE | |
1070 | + COMPOUND_ERR_SLACK_SPACE) { | |
1071 | BUG_ON(slack_bytes < COMPOUND_ERR_SLACK_SPACE); | |
1da177e4 LT |
1072 | op->status = nfserr_resource; |
1073 | goto encode_op; | |
1074 | } | |
1075 | ||
b591480b BF |
1076 | opdesc = &nfsd4_ops[op->opnum]; |
1077 | ||
ca364317 | 1078 | if (!cstate->current_fh.fh_dentry) { |
27d630ec | 1079 | if (!(opdesc->op_flags & ALLOWED_WITHOUT_FH)) { |
42ca0993 BF |
1080 | op->status = nfserr_nofilehandle; |
1081 | goto encode_op; | |
1082 | } | |
eeac294e BF |
1083 | } else if (cstate->current_fh.fh_export->ex_fslocs.migrated && |
1084 | !(opdesc->op_flags & ALLOWED_ON_ABSENT_FS)) { | |
42ca0993 | 1085 | op->status = nfserr_moved; |
1da177e4 LT |
1086 | goto encode_op; |
1087 | } | |
b591480b BF |
1088 | |
1089 | if (opdesc->op_func) | |
1090 | op->status = opdesc->op_func(rqstp, cstate, &op->u); | |
1091 | else | |
1da177e4 | 1092 | BUG_ON(op->status == nfs_ok); |
1da177e4 LT |
1093 | |
1094 | encode_op: | |
49557cc7 | 1095 | /* Only from SEQUENCE */ |
da3846a2 AA |
1096 | if (resp->cstate.status == nfserr_replay_cache) { |
1097 | dprintk("%s NFS4.1 replay from cache\n", __func__); | |
abfabf8c | 1098 | status = op->status; |
da3846a2 AA |
1099 | goto out; |
1100 | } | |
a90b061c | 1101 | if (op->status == nfserr_replay_me) { |
a4f1706a | 1102 | op->replay = &cstate->replay_owner->so_replay; |
1da177e4 LT |
1103 | nfsd4_encode_replay(resp, op); |
1104 | status = op->status = op->replay->rp_status; | |
1105 | } else { | |
1106 | nfsd4_encode_operation(resp, op); | |
1107 | status = op->status; | |
1108 | } | |
0407717d BH |
1109 | |
1110 | dprintk("nfsv4 compound op %p opcnt %d #%d: %d: status %d\n", | |
1111 | args->ops, args->opcnt, resp->opcnt, op->opnum, | |
1112 | be32_to_cpu(status)); | |
1113 | ||
a4f1706a BF |
1114 | if (cstate->replay_owner) { |
1115 | nfs4_put_stateowner(cstate->replay_owner); | |
1116 | cstate->replay_owner = NULL; | |
1da177e4 | 1117 | } |
7e06b7f9 N |
1118 | /* XXX Ugh, we need to get rid of this kind of special case: */ |
1119 | if (op->opnum == OP_READ && op->u.read.rd_filp) | |
1120 | fput(op->u.read.rd_filp); | |
e2b20950 SA |
1121 | |
1122 | nfsd4_increment_op_stats(op->opnum); | |
1da177e4 | 1123 | } |
2f425878 AA |
1124 | if (!rqstp->rq_usedeferral && status == nfserr_dropit) { |
1125 | dprintk("%s Dropit - send NFS4ERR_DELAY\n", __func__); | |
1126 | status = nfserr_jukebox; | |
1127 | } | |
1da177e4 | 1128 | |
da3846a2 | 1129 | resp->cstate.status = status; |
e354d571 AA |
1130 | fh_put(&resp->cstate.current_fh); |
1131 | fh_put(&resp->cstate.save_fh); | |
1132 | BUG_ON(resp->cstate.replay_owner); | |
1da177e4 LT |
1133 | out: |
1134 | nfsd4_release_compoundargs(args); | |
2f425878 AA |
1135 | /* Reset deferral mechanism for RPC deferrals */ |
1136 | rqstp->rq_usedeferral = 1; | |
3b12cd98 | 1137 | dprintk("nfsv4 compound returned %d\n", ntohl(status)); |
1da177e4 LT |
1138 | return status; |
1139 | } | |
1140 | ||
20766016 | 1141 | static struct nfsd4_operation nfsd4_ops[] = { |
b591480b BF |
1142 | [OP_ACCESS] = { |
1143 | .op_func = (nfsd4op_func)nfsd4_access, | |
b001a1b6 | 1144 | .op_name = "OP_ACCESS", |
b591480b BF |
1145 | }, |
1146 | [OP_CLOSE] = { | |
1147 | .op_func = (nfsd4op_func)nfsd4_close, | |
b001a1b6 | 1148 | .op_name = "OP_CLOSE", |
b591480b BF |
1149 | }, |
1150 | [OP_COMMIT] = { | |
1151 | .op_func = (nfsd4op_func)nfsd4_commit, | |
b001a1b6 | 1152 | .op_name = "OP_COMMIT", |
b591480b BF |
1153 | }, |
1154 | [OP_CREATE] = { | |
1155 | .op_func = (nfsd4op_func)nfsd4_create, | |
b001a1b6 | 1156 | .op_name = "OP_CREATE", |
b591480b BF |
1157 | }, |
1158 | [OP_DELEGRETURN] = { | |
1159 | .op_func = (nfsd4op_func)nfsd4_delegreturn, | |
b001a1b6 | 1160 | .op_name = "OP_DELEGRETURN", |
b591480b BF |
1161 | }, |
1162 | [OP_GETATTR] = { | |
1163 | .op_func = (nfsd4op_func)nfsd4_getattr, | |
eeac294e | 1164 | .op_flags = ALLOWED_ON_ABSENT_FS, |
b001a1b6 | 1165 | .op_name = "OP_GETATTR", |
b591480b BF |
1166 | }, |
1167 | [OP_GETFH] = { | |
1168 | .op_func = (nfsd4op_func)nfsd4_getfh, | |
b001a1b6 | 1169 | .op_name = "OP_GETFH", |
b591480b BF |
1170 | }, |
1171 | [OP_LINK] = { | |
1172 | .op_func = (nfsd4op_func)nfsd4_link, | |
b001a1b6 | 1173 | .op_name = "OP_LINK", |
b591480b BF |
1174 | }, |
1175 | [OP_LOCK] = { | |
1176 | .op_func = (nfsd4op_func)nfsd4_lock, | |
b001a1b6 | 1177 | .op_name = "OP_LOCK", |
b591480b BF |
1178 | }, |
1179 | [OP_LOCKT] = { | |
1180 | .op_func = (nfsd4op_func)nfsd4_lockt, | |
b001a1b6 | 1181 | .op_name = "OP_LOCKT", |
b591480b BF |
1182 | }, |
1183 | [OP_LOCKU] = { | |
1184 | .op_func = (nfsd4op_func)nfsd4_locku, | |
b001a1b6 | 1185 | .op_name = "OP_LOCKU", |
b591480b BF |
1186 | }, |
1187 | [OP_LOOKUP] = { | |
1188 | .op_func = (nfsd4op_func)nfsd4_lookup, | |
b001a1b6 | 1189 | .op_name = "OP_LOOKUP", |
b591480b BF |
1190 | }, |
1191 | [OP_LOOKUPP] = { | |
1192 | .op_func = (nfsd4op_func)nfsd4_lookupp, | |
b001a1b6 | 1193 | .op_name = "OP_LOOKUPP", |
b591480b BF |
1194 | }, |
1195 | [OP_NVERIFY] = { | |
1196 | .op_func = (nfsd4op_func)nfsd4_nverify, | |
b001a1b6 | 1197 | .op_name = "OP_NVERIFY", |
b591480b BF |
1198 | }, |
1199 | [OP_OPEN] = { | |
1200 | .op_func = (nfsd4op_func)nfsd4_open, | |
b001a1b6 | 1201 | .op_name = "OP_OPEN", |
b591480b BF |
1202 | }, |
1203 | [OP_OPEN_CONFIRM] = { | |
1204 | .op_func = (nfsd4op_func)nfsd4_open_confirm, | |
b001a1b6 | 1205 | .op_name = "OP_OPEN_CONFIRM", |
b591480b BF |
1206 | }, |
1207 | [OP_OPEN_DOWNGRADE] = { | |
1208 | .op_func = (nfsd4op_func)nfsd4_open_downgrade, | |
b001a1b6 | 1209 | .op_name = "OP_OPEN_DOWNGRADE", |
b591480b BF |
1210 | }, |
1211 | [OP_PUTFH] = { | |
1212 | .op_func = (nfsd4op_func)nfsd4_putfh, | |
27d630ec | 1213 | .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, |
b001a1b6 | 1214 | .op_name = "OP_PUTFH", |
b591480b | 1215 | }, |
eeac294e | 1216 | [OP_PUTPUBFH] = { |
a1c8c4d1 | 1217 | .op_func = (nfsd4op_func)nfsd4_putrootfh, |
27d630ec | 1218 | .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, |
b001a1b6 | 1219 | .op_name = "OP_PUTPUBFH", |
eeac294e | 1220 | }, |
b591480b BF |
1221 | [OP_PUTROOTFH] = { |
1222 | .op_func = (nfsd4op_func)nfsd4_putrootfh, | |
27d630ec | 1223 | .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, |
b001a1b6 | 1224 | .op_name = "OP_PUTROOTFH", |
b591480b BF |
1225 | }, |
1226 | [OP_READ] = { | |
1227 | .op_func = (nfsd4op_func)nfsd4_read, | |
b001a1b6 | 1228 | .op_name = "OP_READ", |
b591480b BF |
1229 | }, |
1230 | [OP_READDIR] = { | |
1231 | .op_func = (nfsd4op_func)nfsd4_readdir, | |
b001a1b6 | 1232 | .op_name = "OP_READDIR", |
b591480b BF |
1233 | }, |
1234 | [OP_READLINK] = { | |
1235 | .op_func = (nfsd4op_func)nfsd4_readlink, | |
b001a1b6 | 1236 | .op_name = "OP_READLINK", |
b591480b BF |
1237 | }, |
1238 | [OP_REMOVE] = { | |
1239 | .op_func = (nfsd4op_func)nfsd4_remove, | |
b001a1b6 | 1240 | .op_name = "OP_REMOVE", |
b591480b BF |
1241 | }, |
1242 | [OP_RENAME] = { | |
b001a1b6 | 1243 | .op_name = "OP_RENAME", |
b591480b BF |
1244 | .op_func = (nfsd4op_func)nfsd4_rename, |
1245 | }, | |
1246 | [OP_RENEW] = { | |
1247 | .op_func = (nfsd4op_func)nfsd4_renew, | |
27d630ec | 1248 | .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, |
b001a1b6 | 1249 | .op_name = "OP_RENEW", |
b591480b BF |
1250 | }, |
1251 | [OP_RESTOREFH] = { | |
1252 | .op_func = (nfsd4op_func)nfsd4_restorefh, | |
27d630ec | 1253 | .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, |
b001a1b6 | 1254 | .op_name = "OP_RESTOREFH", |
b591480b BF |
1255 | }, |
1256 | [OP_SAVEFH] = { | |
1257 | .op_func = (nfsd4op_func)nfsd4_savefh, | |
b001a1b6 | 1258 | .op_name = "OP_SAVEFH", |
b591480b | 1259 | }, |
dcb488a3 AA |
1260 | [OP_SECINFO] = { |
1261 | .op_func = (nfsd4op_func)nfsd4_secinfo, | |
b001a1b6 | 1262 | .op_name = "OP_SECINFO", |
dcb488a3 | 1263 | }, |
b591480b BF |
1264 | [OP_SETATTR] = { |
1265 | .op_func = (nfsd4op_func)nfsd4_setattr, | |
b001a1b6 | 1266 | .op_name = "OP_SETATTR", |
b591480b BF |
1267 | }, |
1268 | [OP_SETCLIENTID] = { | |
1269 | .op_func = (nfsd4op_func)nfsd4_setclientid, | |
27d630ec | 1270 | .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, |
b001a1b6 | 1271 | .op_name = "OP_SETCLIENTID", |
b591480b BF |
1272 | }, |
1273 | [OP_SETCLIENTID_CONFIRM] = { | |
1274 | .op_func = (nfsd4op_func)nfsd4_setclientid_confirm, | |
27d630ec | 1275 | .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, |
b001a1b6 | 1276 | .op_name = "OP_SETCLIENTID_CONFIRM", |
b591480b BF |
1277 | }, |
1278 | [OP_VERIFY] = { | |
1279 | .op_func = (nfsd4op_func)nfsd4_verify, | |
b001a1b6 | 1280 | .op_name = "OP_VERIFY", |
b591480b BF |
1281 | }, |
1282 | [OP_WRITE] = { | |
1283 | .op_func = (nfsd4op_func)nfsd4_write, | |
b001a1b6 | 1284 | .op_name = "OP_WRITE", |
b591480b BF |
1285 | }, |
1286 | [OP_RELEASE_LOCKOWNER] = { | |
1287 | .op_func = (nfsd4op_func)nfsd4_release_lockowner, | |
27d630ec | 1288 | .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, |
b001a1b6 | 1289 | .op_name = "OP_RELEASE_LOCKOWNER", |
b591480b | 1290 | }, |
069b6ad4 AA |
1291 | |
1292 | /* NFSv4.1 operations */ | |
1293 | [OP_EXCHANGE_ID] = { | |
1294 | .op_func = (nfsd4op_func)nfsd4_exchange_id, | |
f9bb94c4 | 1295 | .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_AS_FIRST_OP, |
069b6ad4 AA |
1296 | .op_name = "OP_EXCHANGE_ID", |
1297 | }, | |
1298 | [OP_CREATE_SESSION] = { | |
1299 | .op_func = (nfsd4op_func)nfsd4_create_session, | |
f9bb94c4 | 1300 | .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_AS_FIRST_OP, |
069b6ad4 AA |
1301 | .op_name = "OP_CREATE_SESSION", |
1302 | }, | |
1303 | [OP_DESTROY_SESSION] = { | |
1304 | .op_func = (nfsd4op_func)nfsd4_destroy_session, | |
f9bb94c4 | 1305 | .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_AS_FIRST_OP, |
069b6ad4 AA |
1306 | .op_name = "OP_DESTROY_SESSION", |
1307 | }, | |
1308 | [OP_SEQUENCE] = { | |
1309 | .op_func = (nfsd4op_func)nfsd4_sequence, | |
f9bb94c4 | 1310 | .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_AS_FIRST_OP, |
069b6ad4 AA |
1311 | .op_name = "OP_SEQUENCE", |
1312 | }, | |
b591480b BF |
1313 | }; |
1314 | ||
f1c7f79b | 1315 | static const char *nfsd4_op_name(unsigned opnum) |
b001a1b6 BH |
1316 | { |
1317 | if (opnum < ARRAY_SIZE(nfsd4_ops)) | |
1318 | return nfsd4_ops[opnum].op_name; | |
1319 | return "unknown_operation"; | |
1320 | } | |
1321 | ||
1da177e4 | 1322 | #define nfsd4_voidres nfsd4_voidargs |
1da177e4 LT |
1323 | struct nfsd4_voidargs { int dummy; }; |
1324 | ||
1da177e4 LT |
1325 | /* |
1326 | * TODO: At the present time, the NFSv4 server does not do XID caching | |
1327 | * of requests. Implementing XID caching would not be a serious problem, | |
1328 | * although it would require a mild change in interfaces since one | |
1329 | * doesn't know whether an NFSv4 request is idempotent until after the | |
1330 | * XDR decode. However, XID caching totally confuses pynfs (Peter | |
1331 | * Astrand's regression testsuite for NFSv4 servers), which reuses | |
1332 | * XID's liberally, so I've left it unimplemented until pynfs generates | |
1333 | * better XID's. | |
1334 | */ | |
1335 | static struct svc_procedure nfsd_procedures4[2] = { | |
0a93a47f YZ |
1336 | [NFSPROC4_NULL] = { |
1337 | .pc_func = (svc_procfunc) nfsd4_proc_null, | |
1338 | .pc_encode = (kxdrproc_t) nfs4svc_encode_voidres, | |
1339 | .pc_argsize = sizeof(struct nfsd4_voidargs), | |
1340 | .pc_ressize = sizeof(struct nfsd4_voidres), | |
1341 | .pc_cachetype = RC_NOCACHE, | |
1342 | .pc_xdrressize = 1, | |
1343 | }, | |
1344 | [NFSPROC4_COMPOUND] = { | |
1345 | .pc_func = (svc_procfunc) nfsd4_proc_compound, | |
1346 | .pc_decode = (kxdrproc_t) nfs4svc_decode_compoundargs, | |
1347 | .pc_encode = (kxdrproc_t) nfs4svc_encode_compoundres, | |
1348 | .pc_argsize = sizeof(struct nfsd4_compoundargs), | |
1349 | .pc_ressize = sizeof(struct nfsd4_compoundres), | |
1350 | .pc_cachetype = RC_NOCACHE, | |
1351 | .pc_xdrressize = NFSD_BUFSIZE/4, | |
1352 | }, | |
1da177e4 LT |
1353 | }; |
1354 | ||
1355 | struct svc_version nfsd_version4 = { | |
1356 | .vs_vers = 4, | |
1357 | .vs_nproc = 2, | |
1358 | .vs_proc = nfsd_procedures4, | |
1359 | .vs_dispatch = nfsd_dispatch, | |
1360 | .vs_xdrsize = NFS4_SVC_XDRSIZE, | |
1361 | }; | |
1362 | ||
1363 | /* | |
1364 | * Local variables: | |
1365 | * c-basic-offset: 8 | |
1366 | * End: | |
1367 | */ |