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1da177e4 LT |
1 | /* |
2 | * fs/nfs/nfs4xdr.c | |
3 | * | |
4 | * Client-side XDR 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. | |
36 | */ | |
37 | ||
38 | #include <linux/param.h> | |
39 | #include <linux/time.h> | |
40 | #include <linux/mm.h> | |
41 | #include <linux/slab.h> | |
42 | #include <linux/utsname.h> | |
43 | #include <linux/errno.h> | |
44 | #include <linux/string.h> | |
45 | #include <linux/in.h> | |
46 | #include <linux/pagemap.h> | |
47 | #include <linux/proc_fs.h> | |
48 | #include <linux/kdev_t.h> | |
49 | #include <linux/sunrpc/clnt.h> | |
50 | #include <linux/nfs.h> | |
51 | #include <linux/nfs4.h> | |
52 | #include <linux/nfs_fs.h> | |
53 | #include <linux/nfs_idmap.h> | |
4ce79717 | 54 | #include "nfs4_fs.h" |
1da177e4 LT |
55 | |
56 | #define NFSDBG_FACILITY NFSDBG_XDR | |
57 | ||
58 | /* Mapping from NFS error code to "errno" error code. */ | |
59 | #define errno_NFSERR_IO EIO | |
60 | ||
0a8ea437 | 61 | static int nfs4_stat_to_errno(int); |
1da177e4 LT |
62 | |
63 | /* NFSv4 COMPOUND tags are only wanted for debugging purposes */ | |
64 | #ifdef DEBUG | |
65 | #define NFS4_MAXTAGLEN 20 | |
66 | #else | |
67 | #define NFS4_MAXTAGLEN 0 | |
68 | #endif | |
69 | ||
70 | /* lock,open owner id: | |
71 | * we currently use size 1 (u32) out of (NFS4_OPAQUE_LIMIT >> 2) | |
72 | */ | |
73 | #define owner_id_maxsz (1 + 1) | |
74 | #define compound_encode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) | |
75 | #define compound_decode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) | |
76 | #define op_encode_hdr_maxsz (1) | |
77 | #define op_decode_hdr_maxsz (2) | |
78 | #define encode_putfh_maxsz (op_encode_hdr_maxsz + 1 + \ | |
79 | (NFS4_FHSIZE >> 2)) | |
80 | #define decode_putfh_maxsz (op_decode_hdr_maxsz) | |
81 | #define encode_putrootfh_maxsz (op_encode_hdr_maxsz) | |
82 | #define decode_putrootfh_maxsz (op_decode_hdr_maxsz) | |
83 | #define encode_getfh_maxsz (op_encode_hdr_maxsz) | |
84 | #define decode_getfh_maxsz (op_decode_hdr_maxsz + 1 + \ | |
85 | ((3+NFS4_FHSIZE) >> 2)) | |
96928206 BF |
86 | #define nfs4_fattr_bitmap_maxsz 3 |
87 | #define encode_getattr_maxsz (op_encode_hdr_maxsz + nfs4_fattr_bitmap_maxsz) | |
1da177e4 LT |
88 | #define nfs4_name_maxsz (1 + ((3 + NFS4_MAXNAMLEN) >> 2)) |
89 | #define nfs4_path_maxsz (1 + ((3 + NFS4_MAXPATHLEN) >> 2)) | |
96928206 BF |
90 | /* This is based on getfattr, which uses the most attributes: */ |
91 | #define nfs4_fattr_value_maxsz (1 + (1 + 2 + 2 + 4 + 2 + 1 + 1 + 2 + 2 + \ | |
92 | 3 + 3 + 3 + 2 * nfs4_name_maxsz)) | |
93 | #define nfs4_fattr_maxsz (nfs4_fattr_bitmap_maxsz + \ | |
94 | nfs4_fattr_value_maxsz) | |
95 | #define decode_getattr_maxsz (op_decode_hdr_maxsz + nfs4_fattr_maxsz) | |
1da177e4 LT |
96 | #define encode_savefh_maxsz (op_encode_hdr_maxsz) |
97 | #define decode_savefh_maxsz (op_decode_hdr_maxsz) | |
56ae19f3 TM |
98 | #define encode_restorefh_maxsz (op_encode_hdr_maxsz) |
99 | #define decode_restorefh_maxsz (op_decode_hdr_maxsz) | |
1da177e4 LT |
100 | #define encode_fsinfo_maxsz (op_encode_hdr_maxsz + 2) |
101 | #define decode_fsinfo_maxsz (op_decode_hdr_maxsz + 11) | |
102 | #define encode_renew_maxsz (op_encode_hdr_maxsz + 3) | |
103 | #define decode_renew_maxsz (op_decode_hdr_maxsz) | |
104 | #define encode_setclientid_maxsz \ | |
105 | (op_encode_hdr_maxsz + \ | |
106 | 4 /*server->ip_addr*/ + \ | |
107 | 1 /*Netid*/ + \ | |
108 | 6 /*uaddr*/ + \ | |
109 | 6 + (NFS4_VERIFIER_SIZE >> 2)) | |
110 | #define decode_setclientid_maxsz \ | |
111 | (op_decode_hdr_maxsz + \ | |
112 | 2 + \ | |
113 | 1024) /* large value for CLID_INUSE */ | |
114 | #define encode_setclientid_confirm_maxsz \ | |
115 | (op_encode_hdr_maxsz + \ | |
116 | 3 + (NFS4_VERIFIER_SIZE >> 2)) | |
117 | #define decode_setclientid_confirm_maxsz \ | |
118 | (op_decode_hdr_maxsz) | |
119 | #define encode_lookup_maxsz (op_encode_hdr_maxsz + \ | |
120 | 1 + ((3 + NFS4_FHSIZE) >> 2)) | |
121 | #define encode_remove_maxsz (op_encode_hdr_maxsz + \ | |
122 | nfs4_name_maxsz) | |
123 | #define encode_rename_maxsz (op_encode_hdr_maxsz + \ | |
124 | 2 * nfs4_name_maxsz) | |
125 | #define decode_rename_maxsz (op_decode_hdr_maxsz + 5 + 5) | |
126 | #define encode_link_maxsz (op_encode_hdr_maxsz + \ | |
127 | nfs4_name_maxsz) | |
128 | #define decode_link_maxsz (op_decode_hdr_maxsz + 5) | |
129 | #define encode_symlink_maxsz (op_encode_hdr_maxsz + \ | |
130 | 1 + nfs4_name_maxsz + \ | |
94a6d753 | 131 | 1 + \ |
96928206 | 132 | nfs4_fattr_maxsz) |
1da177e4 LT |
133 | #define decode_symlink_maxsz (op_decode_hdr_maxsz + 8) |
134 | #define encode_create_maxsz (op_encode_hdr_maxsz + \ | |
135 | 2 + nfs4_name_maxsz + \ | |
96928206 | 136 | nfs4_fattr_maxsz) |
1da177e4 LT |
137 | #define decode_create_maxsz (op_decode_hdr_maxsz + 8) |
138 | #define encode_delegreturn_maxsz (op_encode_hdr_maxsz + 4) | |
139 | #define decode_delegreturn_maxsz (op_decode_hdr_maxsz) | |
140 | #define NFS4_enc_compound_sz (1024) /* XXX: large enough? */ | |
141 | #define NFS4_dec_compound_sz (1024) /* XXX: large enough? */ | |
142 | #define NFS4_enc_read_sz (compound_encode_hdr_maxsz + \ | |
143 | encode_putfh_maxsz + \ | |
144 | op_encode_hdr_maxsz + 7) | |
145 | #define NFS4_dec_read_sz (compound_decode_hdr_maxsz + \ | |
146 | decode_putfh_maxsz + \ | |
147 | op_decode_hdr_maxsz + 2) | |
148 | #define NFS4_enc_readlink_sz (compound_encode_hdr_maxsz + \ | |
149 | encode_putfh_maxsz + \ | |
150 | op_encode_hdr_maxsz) | |
151 | #define NFS4_dec_readlink_sz (compound_decode_hdr_maxsz + \ | |
152 | decode_putfh_maxsz + \ | |
153 | op_decode_hdr_maxsz) | |
154 | #define NFS4_enc_readdir_sz (compound_encode_hdr_maxsz + \ | |
155 | encode_putfh_maxsz + \ | |
156 | op_encode_hdr_maxsz + 9) | |
157 | #define NFS4_dec_readdir_sz (compound_decode_hdr_maxsz + \ | |
158 | decode_putfh_maxsz + \ | |
159 | op_decode_hdr_maxsz + 2) | |
160 | #define NFS4_enc_write_sz (compound_encode_hdr_maxsz + \ | |
161 | encode_putfh_maxsz + \ | |
4f9838c7 TM |
162 | op_encode_hdr_maxsz + 8 + \ |
163 | encode_getattr_maxsz) | |
1da177e4 LT |
164 | #define NFS4_dec_write_sz (compound_decode_hdr_maxsz + \ |
165 | decode_putfh_maxsz + \ | |
4f9838c7 TM |
166 | op_decode_hdr_maxsz + 4 + \ |
167 | decode_getattr_maxsz) | |
1da177e4 LT |
168 | #define NFS4_enc_commit_sz (compound_encode_hdr_maxsz + \ |
169 | encode_putfh_maxsz + \ | |
4f9838c7 TM |
170 | op_encode_hdr_maxsz + 3 + \ |
171 | encode_getattr_maxsz) | |
1da177e4 LT |
172 | #define NFS4_dec_commit_sz (compound_decode_hdr_maxsz + \ |
173 | decode_putfh_maxsz + \ | |
4f9838c7 TM |
174 | op_decode_hdr_maxsz + 2 + \ |
175 | decode_getattr_maxsz) | |
1da177e4 LT |
176 | #define NFS4_enc_open_sz (compound_encode_hdr_maxsz + \ |
177 | encode_putfh_maxsz + \ | |
178 | op_encode_hdr_maxsz + \ | |
179 | 13 + 3 + 2 + 64 + \ | |
180 | encode_getattr_maxsz + \ | |
181 | encode_getfh_maxsz) | |
182 | #define NFS4_dec_open_sz (compound_decode_hdr_maxsz + \ | |
183 | decode_putfh_maxsz + \ | |
184 | op_decode_hdr_maxsz + 4 + 5 + 2 + 3 + \ | |
185 | decode_getattr_maxsz + \ | |
186 | decode_getfh_maxsz) | |
187 | #define NFS4_enc_open_confirm_sz \ | |
188 | (compound_encode_hdr_maxsz + \ | |
189 | encode_putfh_maxsz + \ | |
190 | op_encode_hdr_maxsz + 5) | |
191 | #define NFS4_dec_open_confirm_sz (compound_decode_hdr_maxsz + \ | |
192 | decode_putfh_maxsz + \ | |
193 | op_decode_hdr_maxsz + 4) | |
194 | #define NFS4_enc_open_noattr_sz (compound_encode_hdr_maxsz + \ | |
195 | encode_putfh_maxsz + \ | |
196 | op_encode_hdr_maxsz + \ | |
197 | 11) | |
198 | #define NFS4_dec_open_noattr_sz (compound_decode_hdr_maxsz + \ | |
199 | decode_putfh_maxsz + \ | |
200 | op_decode_hdr_maxsz + \ | |
201 | 4 + 5 + 2 + 3) | |
202 | #define NFS4_enc_open_downgrade_sz \ | |
203 | (compound_encode_hdr_maxsz + \ | |
204 | encode_putfh_maxsz + \ | |
516a6af6 TM |
205 | op_encode_hdr_maxsz + 7 + \ |
206 | encode_getattr_maxsz) | |
1da177e4 LT |
207 | #define NFS4_dec_open_downgrade_sz \ |
208 | (compound_decode_hdr_maxsz + \ | |
209 | decode_putfh_maxsz + \ | |
516a6af6 TM |
210 | op_decode_hdr_maxsz + 4 + \ |
211 | decode_getattr_maxsz) | |
1da177e4 LT |
212 | #define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \ |
213 | encode_putfh_maxsz + \ | |
516a6af6 TM |
214 | op_encode_hdr_maxsz + 5 + \ |
215 | encode_getattr_maxsz) | |
1da177e4 LT |
216 | #define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \ |
217 | decode_putfh_maxsz + \ | |
516a6af6 TM |
218 | op_decode_hdr_maxsz + 4 + \ |
219 | decode_getattr_maxsz) | |
1da177e4 LT |
220 | #define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \ |
221 | encode_putfh_maxsz + \ | |
222 | op_encode_hdr_maxsz + 4 + \ | |
96928206 | 223 | nfs4_fattr_maxsz + \ |
1da177e4 LT |
224 | encode_getattr_maxsz) |
225 | #define NFS4_dec_setattr_sz (compound_decode_hdr_maxsz + \ | |
226 | decode_putfh_maxsz + \ | |
227 | op_decode_hdr_maxsz + 3) | |
228 | #define NFS4_enc_fsinfo_sz (compound_encode_hdr_maxsz + \ | |
229 | encode_putfh_maxsz + \ | |
230 | encode_fsinfo_maxsz) | |
231 | #define NFS4_dec_fsinfo_sz (compound_decode_hdr_maxsz + \ | |
232 | decode_putfh_maxsz + \ | |
233 | decode_fsinfo_maxsz) | |
234 | #define NFS4_enc_renew_sz (compound_encode_hdr_maxsz + \ | |
235 | encode_renew_maxsz) | |
236 | #define NFS4_dec_renew_sz (compound_decode_hdr_maxsz + \ | |
237 | decode_renew_maxsz) | |
238 | #define NFS4_enc_setclientid_sz (compound_encode_hdr_maxsz + \ | |
239 | encode_setclientid_maxsz) | |
240 | #define NFS4_dec_setclientid_sz (compound_decode_hdr_maxsz + \ | |
241 | decode_setclientid_maxsz) | |
242 | #define NFS4_enc_setclientid_confirm_sz \ | |
243 | (compound_encode_hdr_maxsz + \ | |
244 | encode_setclientid_confirm_maxsz + \ | |
245 | encode_putrootfh_maxsz + \ | |
246 | encode_fsinfo_maxsz) | |
247 | #define NFS4_dec_setclientid_confirm_sz \ | |
248 | (compound_decode_hdr_maxsz + \ | |
249 | decode_setclientid_confirm_maxsz + \ | |
250 | decode_putrootfh_maxsz + \ | |
251 | decode_fsinfo_maxsz) | |
252 | #define NFS4_enc_lock_sz (compound_encode_hdr_maxsz + \ | |
253 | encode_putfh_maxsz + \ | |
254 | encode_getattr_maxsz + \ | |
255 | op_encode_hdr_maxsz + \ | |
256 | 1 + 1 + 2 + 2 + \ | |
257 | 1 + 4 + 1 + 2 + \ | |
258 | owner_id_maxsz) | |
259 | #define NFS4_dec_lock_sz (compound_decode_hdr_maxsz + \ | |
260 | decode_putfh_maxsz + \ | |
261 | decode_getattr_maxsz + \ | |
262 | op_decode_hdr_maxsz + \ | |
263 | 2 + 2 + 1 + 2 + \ | |
264 | owner_id_maxsz) | |
265 | #define NFS4_enc_lockt_sz (compound_encode_hdr_maxsz + \ | |
266 | encode_putfh_maxsz + \ | |
267 | encode_getattr_maxsz + \ | |
268 | op_encode_hdr_maxsz + \ | |
269 | 1 + 2 + 2 + 2 + \ | |
270 | owner_id_maxsz) | |
271 | #define NFS4_dec_lockt_sz (NFS4_dec_lock_sz) | |
272 | #define NFS4_enc_locku_sz (compound_encode_hdr_maxsz + \ | |
273 | encode_putfh_maxsz + \ | |
274 | encode_getattr_maxsz + \ | |
275 | op_encode_hdr_maxsz + \ | |
276 | 1 + 1 + 4 + 2 + 2) | |
277 | #define NFS4_dec_locku_sz (compound_decode_hdr_maxsz + \ | |
278 | decode_putfh_maxsz + \ | |
279 | decode_getattr_maxsz + \ | |
280 | op_decode_hdr_maxsz + 4) | |
281 | #define NFS4_enc_access_sz (compound_encode_hdr_maxsz + \ | |
282 | encode_putfh_maxsz + \ | |
283 | op_encode_hdr_maxsz + 1) | |
284 | #define NFS4_dec_access_sz (compound_decode_hdr_maxsz + \ | |
285 | decode_putfh_maxsz + \ | |
286 | op_decode_hdr_maxsz + 2) | |
287 | #define NFS4_enc_getattr_sz (compound_encode_hdr_maxsz + \ | |
288 | encode_putfh_maxsz + \ | |
289 | encode_getattr_maxsz) | |
290 | #define NFS4_dec_getattr_sz (compound_decode_hdr_maxsz + \ | |
291 | decode_putfh_maxsz + \ | |
292 | decode_getattr_maxsz) | |
293 | #define NFS4_enc_lookup_sz (compound_encode_hdr_maxsz + \ | |
294 | encode_putfh_maxsz + \ | |
295 | encode_lookup_maxsz + \ | |
296 | encode_getattr_maxsz + \ | |
297 | encode_getfh_maxsz) | |
298 | #define NFS4_dec_lookup_sz (compound_decode_hdr_maxsz + \ | |
299 | decode_putfh_maxsz + \ | |
300 | op_decode_hdr_maxsz + \ | |
301 | decode_getattr_maxsz + \ | |
302 | decode_getfh_maxsz) | |
303 | #define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \ | |
304 | encode_putrootfh_maxsz + \ | |
305 | encode_getattr_maxsz + \ | |
306 | encode_getfh_maxsz) | |
307 | #define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \ | |
308 | decode_putrootfh_maxsz + \ | |
309 | decode_getattr_maxsz + \ | |
310 | decode_getfh_maxsz) | |
311 | #define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \ | |
312 | encode_putfh_maxsz + \ | |
16e42959 TM |
313 | encode_remove_maxsz + \ |
314 | encode_getattr_maxsz) | |
1da177e4 LT |
315 | #define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \ |
316 | decode_putfh_maxsz + \ | |
16e42959 TM |
317 | op_decode_hdr_maxsz + 5 + \ |
318 | decode_getattr_maxsz) | |
1da177e4 LT |
319 | #define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \ |
320 | encode_putfh_maxsz + \ | |
321 | encode_savefh_maxsz + \ | |
322 | encode_putfh_maxsz + \ | |
6caf2c82 TM |
323 | encode_rename_maxsz + \ |
324 | encode_getattr_maxsz + \ | |
325 | encode_restorefh_maxsz + \ | |
326 | encode_getattr_maxsz) | |
1da177e4 LT |
327 | #define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \ |
328 | decode_putfh_maxsz + \ | |
329 | decode_savefh_maxsz + \ | |
330 | decode_putfh_maxsz + \ | |
6caf2c82 TM |
331 | decode_rename_maxsz + \ |
332 | decode_getattr_maxsz + \ | |
333 | decode_restorefh_maxsz + \ | |
334 | decode_getattr_maxsz) | |
1da177e4 LT |
335 | #define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \ |
336 | encode_putfh_maxsz + \ | |
337 | encode_savefh_maxsz + \ | |
338 | encode_putfh_maxsz + \ | |
91ba2eee TM |
339 | encode_link_maxsz + \ |
340 | decode_getattr_maxsz + \ | |
341 | encode_restorefh_maxsz + \ | |
342 | decode_getattr_maxsz) | |
1da177e4 LT |
343 | #define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \ |
344 | decode_putfh_maxsz + \ | |
345 | decode_savefh_maxsz + \ | |
346 | decode_putfh_maxsz + \ | |
91ba2eee TM |
347 | decode_link_maxsz + \ |
348 | decode_getattr_maxsz + \ | |
349 | decode_restorefh_maxsz + \ | |
350 | decode_getattr_maxsz) | |
1da177e4 LT |
351 | #define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \ |
352 | encode_putfh_maxsz + \ | |
353 | encode_symlink_maxsz + \ | |
354 | encode_getattr_maxsz + \ | |
355 | encode_getfh_maxsz) | |
356 | #define NFS4_dec_symlink_sz (compound_decode_hdr_maxsz + \ | |
357 | decode_putfh_maxsz + \ | |
358 | decode_symlink_maxsz + \ | |
359 | decode_getattr_maxsz + \ | |
360 | decode_getfh_maxsz) | |
361 | #define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \ | |
362 | encode_putfh_maxsz + \ | |
56ae19f3 | 363 | encode_savefh_maxsz + \ |
1da177e4 | 364 | encode_create_maxsz + \ |
56ae19f3 | 365 | encode_getfh_maxsz + \ |
1da177e4 | 366 | encode_getattr_maxsz + \ |
56ae19f3 TM |
367 | encode_restorefh_maxsz + \ |
368 | encode_getattr_maxsz) | |
1da177e4 LT |
369 | #define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \ |
370 | decode_putfh_maxsz + \ | |
56ae19f3 | 371 | decode_savefh_maxsz + \ |
1da177e4 | 372 | decode_create_maxsz + \ |
56ae19f3 | 373 | decode_getfh_maxsz + \ |
1da177e4 | 374 | decode_getattr_maxsz + \ |
56ae19f3 TM |
375 | decode_restorefh_maxsz + \ |
376 | decode_getattr_maxsz) | |
1da177e4 LT |
377 | #define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \ |
378 | encode_putfh_maxsz + \ | |
379 | encode_getattr_maxsz) | |
380 | #define NFS4_dec_pathconf_sz (compound_decode_hdr_maxsz + \ | |
381 | decode_putfh_maxsz + \ | |
382 | decode_getattr_maxsz) | |
383 | #define NFS4_enc_statfs_sz (compound_encode_hdr_maxsz + \ | |
384 | encode_putfh_maxsz + \ | |
385 | encode_getattr_maxsz) | |
386 | #define NFS4_dec_statfs_sz (compound_decode_hdr_maxsz + \ | |
387 | decode_putfh_maxsz + \ | |
388 | op_decode_hdr_maxsz + 12) | |
389 | #define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \ | |
390 | encode_getattr_maxsz) | |
391 | #define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \ | |
392 | decode_getattr_maxsz) | |
393 | #define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \ | |
394 | encode_putfh_maxsz + \ | |
fa178f29 TM |
395 | encode_delegreturn_maxsz + \ |
396 | encode_getattr_maxsz) | |
1da177e4 | 397 | #define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \ |
fa178f29 TM |
398 | decode_delegreturn_maxsz + \ |
399 | decode_getattr_maxsz) | |
029d105e BF |
400 | #define NFS4_enc_getacl_sz (compound_encode_hdr_maxsz + \ |
401 | encode_putfh_maxsz + \ | |
402 | encode_getattr_maxsz) | |
403 | #define NFS4_dec_getacl_sz (compound_decode_hdr_maxsz + \ | |
404 | decode_putfh_maxsz + \ | |
405 | op_decode_hdr_maxsz + \ | |
406 | nfs4_fattr_bitmap_maxsz + 1) | |
23ec6965 BF |
407 | #define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \ |
408 | encode_putfh_maxsz + \ | |
409 | op_encode_hdr_maxsz + 4 + \ | |
410 | nfs4_fattr_bitmap_maxsz + 1) | |
411 | #define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \ | |
412 | decode_putfh_maxsz + \ | |
413 | op_decode_hdr_maxsz + nfs4_fattr_bitmap_maxsz) | |
683b57b4 TM |
414 | #define NFS4_enc_fs_locations_sz \ |
415 | (compound_encode_hdr_maxsz + \ | |
416 | encode_putfh_maxsz + \ | |
417 | encode_getattr_maxsz) | |
418 | #define NFS4_dec_fs_locations_sz \ | |
419 | (compound_decode_hdr_maxsz + \ | |
420 | decode_putfh_maxsz + \ | |
421 | op_decode_hdr_maxsz + \ | |
422 | nfs4_fattr_bitmap_maxsz) | |
1da177e4 LT |
423 | |
424 | static struct { | |
425 | unsigned int mode; | |
426 | unsigned int nfs2type; | |
427 | } nfs_type2fmt[] = { | |
428 | { 0, NFNON }, | |
429 | { S_IFREG, NFREG }, | |
430 | { S_IFDIR, NFDIR }, | |
431 | { S_IFBLK, NFBLK }, | |
432 | { S_IFCHR, NFCHR }, | |
433 | { S_IFLNK, NFLNK }, | |
434 | { S_IFSOCK, NFSOCK }, | |
435 | { S_IFIFO, NFFIFO }, | |
436 | { 0, NFNON }, | |
437 | { 0, NFNON }, | |
438 | }; | |
439 | ||
440 | struct compound_hdr { | |
441 | int32_t status; | |
442 | uint32_t nops; | |
443 | uint32_t taglen; | |
444 | char * tag; | |
445 | }; | |
446 | ||
447 | /* | |
448 | * START OF "GENERIC" ENCODE ROUTINES. | |
449 | * These may look a little ugly since they are imported from a "generic" | |
450 | * set of XDR encode/decode routines which are intended to be shared by | |
451 | * all of our NFSv4 implementations (OpenBSD, MacOS X...). | |
452 | * | |
453 | * If the pain of reading these is too great, it should be a straightforward | |
454 | * task to translate them into Linux-specific versions which are more | |
455 | * consistent with the style used in NFSv2/v3... | |
456 | */ | |
457 | #define WRITE32(n) *p++ = htonl(n) | |
458 | #define WRITE64(n) do { \ | |
459 | *p++ = htonl((uint32_t)((n) >> 32)); \ | |
460 | *p++ = htonl((uint32_t)(n)); \ | |
461 | } while (0) | |
462 | #define WRITEMEM(ptr,nbytes) do { \ | |
463 | p = xdr_encode_opaque_fixed(p, ptr, nbytes); \ | |
464 | } while (0) | |
465 | ||
466 | #define RESERVE_SPACE(nbytes) do { \ | |
467 | p = xdr_reserve_space(xdr, nbytes); \ | |
468 | if (!p) printk("RESERVE_SPACE(%d) failed in function %s\n", (int) (nbytes), __FUNCTION__); \ | |
469 | BUG_ON(!p); \ | |
470 | } while (0) | |
471 | ||
472 | static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *str) | |
473 | { | |
474 | uint32_t *p; | |
475 | ||
476 | p = xdr_reserve_space(xdr, 4 + len); | |
477 | BUG_ON(p == NULL); | |
478 | xdr_encode_opaque(p, str, len); | |
479 | } | |
480 | ||
481 | static int encode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) | |
482 | { | |
483 | uint32_t *p; | |
484 | ||
485 | dprintk("encode_compound: tag=%.*s\n", (int)hdr->taglen, hdr->tag); | |
486 | BUG_ON(hdr->taglen > NFS4_MAXTAGLEN); | |
487 | RESERVE_SPACE(12+(XDR_QUADLEN(hdr->taglen)<<2)); | |
488 | WRITE32(hdr->taglen); | |
489 | WRITEMEM(hdr->tag, hdr->taglen); | |
490 | WRITE32(NFS4_MINOR_VERSION); | |
491 | WRITE32(hdr->nops); | |
492 | return 0; | |
493 | } | |
494 | ||
495 | static void encode_nfs4_verifier(struct xdr_stream *xdr, const nfs4_verifier *verf) | |
496 | { | |
497 | uint32_t *p; | |
498 | ||
499 | p = xdr_reserve_space(xdr, NFS4_VERIFIER_SIZE); | |
500 | BUG_ON(p == NULL); | |
501 | xdr_encode_opaque_fixed(p, verf->data, NFS4_VERIFIER_SIZE); | |
502 | } | |
503 | ||
504 | static int encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const struct nfs_server *server) | |
505 | { | |
506 | char owner_name[IDMAP_NAMESZ]; | |
507 | char owner_group[IDMAP_NAMESZ]; | |
508 | int owner_namelen = 0; | |
509 | int owner_grouplen = 0; | |
510 | uint32_t *p; | |
511 | uint32_t *q; | |
512 | int len; | |
513 | uint32_t bmval0 = 0; | |
514 | uint32_t bmval1 = 0; | |
515 | int status; | |
516 | ||
517 | /* | |
518 | * We reserve enough space to write the entire attribute buffer at once. | |
519 | * In the worst-case, this would be | |
520 | * 12(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime) | |
521 | * = 36 bytes, plus any contribution from variable-length fields | |
23ec6965 | 522 | * such as owner/group. |
1da177e4 LT |
523 | */ |
524 | len = 16; | |
525 | ||
526 | /* Sigh */ | |
527 | if (iap->ia_valid & ATTR_SIZE) | |
528 | len += 8; | |
529 | if (iap->ia_valid & ATTR_MODE) | |
530 | len += 4; | |
531 | if (iap->ia_valid & ATTR_UID) { | |
7539bbab | 532 | owner_namelen = nfs_map_uid_to_name(server->nfs_client, iap->ia_uid, owner_name); |
1da177e4 LT |
533 | if (owner_namelen < 0) { |
534 | printk(KERN_WARNING "nfs: couldn't resolve uid %d to string\n", | |
535 | iap->ia_uid); | |
536 | /* XXX */ | |
537 | strcpy(owner_name, "nobody"); | |
538 | owner_namelen = sizeof("nobody") - 1; | |
539 | /* goto out; */ | |
540 | } | |
541 | len += 4 + (XDR_QUADLEN(owner_namelen) << 2); | |
542 | } | |
543 | if (iap->ia_valid & ATTR_GID) { | |
7539bbab | 544 | owner_grouplen = nfs_map_gid_to_group(server->nfs_client, iap->ia_gid, owner_group); |
1da177e4 LT |
545 | if (owner_grouplen < 0) { |
546 | printk(KERN_WARNING "nfs4: couldn't resolve gid %d to string\n", | |
547 | iap->ia_gid); | |
548 | strcpy(owner_group, "nobody"); | |
549 | owner_grouplen = sizeof("nobody") - 1; | |
550 | /* goto out; */ | |
551 | } | |
552 | len += 4 + (XDR_QUADLEN(owner_grouplen) << 2); | |
553 | } | |
554 | if (iap->ia_valid & ATTR_ATIME_SET) | |
555 | len += 16; | |
556 | else if (iap->ia_valid & ATTR_ATIME) | |
557 | len += 4; | |
558 | if (iap->ia_valid & ATTR_MTIME_SET) | |
559 | len += 16; | |
560 | else if (iap->ia_valid & ATTR_MTIME) | |
561 | len += 4; | |
562 | RESERVE_SPACE(len); | |
563 | ||
564 | /* | |
565 | * We write the bitmap length now, but leave the bitmap and the attribute | |
566 | * buffer length to be backfilled at the end of this routine. | |
567 | */ | |
568 | WRITE32(2); | |
569 | q = p; | |
570 | p += 3; | |
571 | ||
572 | if (iap->ia_valid & ATTR_SIZE) { | |
573 | bmval0 |= FATTR4_WORD0_SIZE; | |
574 | WRITE64(iap->ia_size); | |
575 | } | |
576 | if (iap->ia_valid & ATTR_MODE) { | |
577 | bmval1 |= FATTR4_WORD1_MODE; | |
cf3fff54 | 578 | WRITE32(iap->ia_mode & S_IALLUGO); |
1da177e4 LT |
579 | } |
580 | if (iap->ia_valid & ATTR_UID) { | |
581 | bmval1 |= FATTR4_WORD1_OWNER; | |
582 | WRITE32(owner_namelen); | |
583 | WRITEMEM(owner_name, owner_namelen); | |
584 | } | |
585 | if (iap->ia_valid & ATTR_GID) { | |
586 | bmval1 |= FATTR4_WORD1_OWNER_GROUP; | |
587 | WRITE32(owner_grouplen); | |
588 | WRITEMEM(owner_group, owner_grouplen); | |
589 | } | |
590 | if (iap->ia_valid & ATTR_ATIME_SET) { | |
591 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; | |
592 | WRITE32(NFS4_SET_TO_CLIENT_TIME); | |
593 | WRITE32(0); | |
594 | WRITE32(iap->ia_mtime.tv_sec); | |
595 | WRITE32(iap->ia_mtime.tv_nsec); | |
596 | } | |
597 | else if (iap->ia_valid & ATTR_ATIME) { | |
598 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; | |
599 | WRITE32(NFS4_SET_TO_SERVER_TIME); | |
600 | } | |
601 | if (iap->ia_valid & ATTR_MTIME_SET) { | |
602 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; | |
603 | WRITE32(NFS4_SET_TO_CLIENT_TIME); | |
604 | WRITE32(0); | |
605 | WRITE32(iap->ia_mtime.tv_sec); | |
606 | WRITE32(iap->ia_mtime.tv_nsec); | |
607 | } | |
608 | else if (iap->ia_valid & ATTR_MTIME) { | |
609 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; | |
610 | WRITE32(NFS4_SET_TO_SERVER_TIME); | |
611 | } | |
612 | ||
613 | /* | |
614 | * Now we backfill the bitmap and the attribute buffer length. | |
615 | */ | |
616 | if (len != ((char *)p - (char *)q) + 4) { | |
617 | printk ("encode_attr: Attr length calculation error! %u != %Zu\n", | |
618 | len, ((char *)p - (char *)q) + 4); | |
619 | BUG(); | |
620 | } | |
621 | len = (char *)p - (char *)q - 12; | |
622 | *q++ = htonl(bmval0); | |
623 | *q++ = htonl(bmval1); | |
624 | *q++ = htonl(len); | |
625 | ||
626 | status = 0; | |
627 | /* out: */ | |
628 | return status; | |
629 | } | |
630 | ||
631 | static int encode_access(struct xdr_stream *xdr, u32 access) | |
632 | { | |
633 | uint32_t *p; | |
634 | ||
635 | RESERVE_SPACE(8); | |
636 | WRITE32(OP_ACCESS); | |
637 | WRITE32(access); | |
638 | ||
639 | return 0; | |
640 | } | |
641 | ||
642 | static int encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg) | |
643 | { | |
644 | uint32_t *p; | |
645 | ||
9512135d | 646 | RESERVE_SPACE(8+sizeof(arg->stateid->data)); |
1da177e4 | 647 | WRITE32(OP_CLOSE); |
cee54fc9 | 648 | WRITE32(arg->seqid->sequence->counter); |
9512135d | 649 | WRITEMEM(arg->stateid->data, sizeof(arg->stateid->data)); |
1da177e4 LT |
650 | |
651 | return 0; | |
652 | } | |
653 | ||
654 | static int encode_commit(struct xdr_stream *xdr, const struct nfs_writeargs *args) | |
655 | { | |
656 | uint32_t *p; | |
657 | ||
658 | RESERVE_SPACE(16); | |
659 | WRITE32(OP_COMMIT); | |
660 | WRITE64(args->offset); | |
661 | WRITE32(args->count); | |
662 | ||
663 | return 0; | |
664 | } | |
665 | ||
666 | static int encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create) | |
667 | { | |
668 | uint32_t *p; | |
669 | ||
670 | RESERVE_SPACE(8); | |
671 | WRITE32(OP_CREATE); | |
672 | WRITE32(create->ftype); | |
673 | ||
674 | switch (create->ftype) { | |
675 | case NF4LNK: | |
94a6d753 CL |
676 | RESERVE_SPACE(4); |
677 | WRITE32(create->u.symlink.len); | |
678 | xdr_write_pages(xdr, create->u.symlink.pages, 0, create->u.symlink.len); | |
1da177e4 LT |
679 | break; |
680 | ||
681 | case NF4BLK: case NF4CHR: | |
682 | RESERVE_SPACE(8); | |
683 | WRITE32(create->u.device.specdata1); | |
684 | WRITE32(create->u.device.specdata2); | |
685 | break; | |
686 | ||
687 | default: | |
688 | break; | |
689 | } | |
690 | ||
691 | RESERVE_SPACE(4 + create->name->len); | |
692 | WRITE32(create->name->len); | |
693 | WRITEMEM(create->name->name, create->name->len); | |
694 | ||
695 | return encode_attrs(xdr, create->attrs, create->server); | |
696 | } | |
697 | ||
698 | static int encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap) | |
699 | { | |
700 | uint32_t *p; | |
701 | ||
702 | RESERVE_SPACE(12); | |
703 | WRITE32(OP_GETATTR); | |
704 | WRITE32(1); | |
705 | WRITE32(bitmap); | |
706 | return 0; | |
707 | } | |
708 | ||
709 | static int encode_getattr_two(struct xdr_stream *xdr, uint32_t bm0, uint32_t bm1) | |
710 | { | |
711 | uint32_t *p; | |
712 | ||
713 | RESERVE_SPACE(16); | |
714 | WRITE32(OP_GETATTR); | |
715 | WRITE32(2); | |
716 | WRITE32(bm0); | |
717 | WRITE32(bm1); | |
718 | return 0; | |
719 | } | |
720 | ||
721 | static int encode_getfattr(struct xdr_stream *xdr, const u32* bitmask) | |
722 | { | |
1da177e4 LT |
723 | return encode_getattr_two(xdr, |
724 | bitmask[0] & nfs4_fattr_bitmap[0], | |
725 | bitmask[1] & nfs4_fattr_bitmap[1]); | |
726 | } | |
727 | ||
728 | static int encode_fsinfo(struct xdr_stream *xdr, const u32* bitmask) | |
729 | { | |
1da177e4 LT |
730 | return encode_getattr_two(xdr, bitmask[0] & nfs4_fsinfo_bitmap[0], |
731 | bitmask[1] & nfs4_fsinfo_bitmap[1]); | |
732 | } | |
733 | ||
830b8e33 MN |
734 | static int encode_fs_locations(struct xdr_stream *xdr, const u32* bitmask) |
735 | { | |
736 | return encode_getattr_two(xdr, | |
737 | bitmask[0] & nfs4_fs_locations_bitmap[0], | |
738 | bitmask[1] & nfs4_fs_locations_bitmap[1]); | |
739 | } | |
740 | ||
1da177e4 LT |
741 | static int encode_getfh(struct xdr_stream *xdr) |
742 | { | |
743 | uint32_t *p; | |
744 | ||
745 | RESERVE_SPACE(4); | |
746 | WRITE32(OP_GETFH); | |
747 | ||
748 | return 0; | |
749 | } | |
750 | ||
751 | static int encode_link(struct xdr_stream *xdr, const struct qstr *name) | |
752 | { | |
753 | uint32_t *p; | |
754 | ||
755 | RESERVE_SPACE(8 + name->len); | |
756 | WRITE32(OP_LINK); | |
757 | WRITE32(name->len); | |
758 | WRITEMEM(name->name, name->len); | |
759 | ||
760 | return 0; | |
761 | } | |
762 | ||
911d1aaf TM |
763 | static inline int nfs4_lock_type(struct file_lock *fl, int block) |
764 | { | |
765 | if ((fl->fl_type & (F_RDLCK|F_WRLCK|F_UNLCK)) == F_RDLCK) | |
766 | return block ? NFS4_READW_LT : NFS4_READ_LT; | |
767 | return block ? NFS4_WRITEW_LT : NFS4_WRITE_LT; | |
768 | } | |
769 | ||
770 | static inline uint64_t nfs4_lock_length(struct file_lock *fl) | |
771 | { | |
772 | if (fl->fl_end == OFFSET_MAX) | |
773 | return ~(uint64_t)0; | |
774 | return fl->fl_end - fl->fl_start + 1; | |
775 | } | |
776 | ||
1da177e4 LT |
777 | /* |
778 | * opcode,type,reclaim,offset,length,new_lock_owner = 32 | |
779 | * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40 | |
780 | */ | |
911d1aaf | 781 | static int encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args) |
1da177e4 LT |
782 | { |
783 | uint32_t *p; | |
1da177e4 LT |
784 | |
785 | RESERVE_SPACE(32); | |
786 | WRITE32(OP_LOCK); | |
911d1aaf TM |
787 | WRITE32(nfs4_lock_type(args->fl, args->block)); |
788 | WRITE32(args->reclaim); | |
789 | WRITE64(args->fl->fl_start); | |
790 | WRITE64(nfs4_lock_length(args->fl)); | |
791 | WRITE32(args->new_lock_owner); | |
792 | if (args->new_lock_owner){ | |
1da177e4 | 793 | RESERVE_SPACE(40); |
911d1aaf TM |
794 | WRITE32(args->open_seqid->sequence->counter); |
795 | WRITEMEM(args->open_stateid->data, sizeof(args->open_stateid->data)); | |
796 | WRITE32(args->lock_seqid->sequence->counter); | |
797 | WRITE64(args->lock_owner.clientid); | |
1da177e4 | 798 | WRITE32(4); |
911d1aaf | 799 | WRITE32(args->lock_owner.id); |
1da177e4 LT |
800 | } |
801 | else { | |
1da177e4 | 802 | RESERVE_SPACE(20); |
911d1aaf TM |
803 | WRITEMEM(args->lock_stateid->data, sizeof(args->lock_stateid->data)); |
804 | WRITE32(args->lock_seqid->sequence->counter); | |
1da177e4 LT |
805 | } |
806 | ||
807 | return 0; | |
808 | } | |
809 | ||
911d1aaf | 810 | static int encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *args) |
1da177e4 LT |
811 | { |
812 | uint32_t *p; | |
1da177e4 LT |
813 | |
814 | RESERVE_SPACE(40); | |
815 | WRITE32(OP_LOCKT); | |
911d1aaf TM |
816 | WRITE32(nfs4_lock_type(args->fl, 0)); |
817 | WRITE64(args->fl->fl_start); | |
818 | WRITE64(nfs4_lock_length(args->fl)); | |
819 | WRITE64(args->lock_owner.clientid); | |
1da177e4 | 820 | WRITE32(4); |
911d1aaf | 821 | WRITE32(args->lock_owner.id); |
1da177e4 LT |
822 | |
823 | return 0; | |
824 | } | |
825 | ||
911d1aaf | 826 | static int encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *args) |
1da177e4 LT |
827 | { |
828 | uint32_t *p; | |
1da177e4 LT |
829 | |
830 | RESERVE_SPACE(44); | |
831 | WRITE32(OP_LOCKU); | |
911d1aaf TM |
832 | WRITE32(nfs4_lock_type(args->fl, 0)); |
833 | WRITE32(args->seqid->sequence->counter); | |
834 | WRITEMEM(args->stateid->data, sizeof(args->stateid->data)); | |
835 | WRITE64(args->fl->fl_start); | |
836 | WRITE64(nfs4_lock_length(args->fl)); | |
1da177e4 LT |
837 | |
838 | return 0; | |
839 | } | |
840 | ||
841 | static int encode_lookup(struct xdr_stream *xdr, const struct qstr *name) | |
842 | { | |
843 | int len = name->len; | |
844 | uint32_t *p; | |
845 | ||
846 | RESERVE_SPACE(8 + len); | |
847 | WRITE32(OP_LOOKUP); | |
848 | WRITE32(len); | |
849 | WRITEMEM(name->name, len); | |
850 | ||
851 | return 0; | |
852 | } | |
853 | ||
854 | static void encode_share_access(struct xdr_stream *xdr, int open_flags) | |
855 | { | |
856 | uint32_t *p; | |
857 | ||
858 | RESERVE_SPACE(8); | |
859 | switch (open_flags & (FMODE_READ|FMODE_WRITE)) { | |
860 | case FMODE_READ: | |
861 | WRITE32(NFS4_SHARE_ACCESS_READ); | |
862 | break; | |
863 | case FMODE_WRITE: | |
864 | WRITE32(NFS4_SHARE_ACCESS_WRITE); | |
865 | break; | |
866 | case FMODE_READ|FMODE_WRITE: | |
867 | WRITE32(NFS4_SHARE_ACCESS_BOTH); | |
868 | break; | |
869 | default: | |
870 | BUG(); | |
871 | } | |
872 | WRITE32(0); /* for linux, share_deny = 0 always */ | |
873 | } | |
874 | ||
875 | static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
876 | { | |
877 | uint32_t *p; | |
878 | /* | |
879 | * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4, | |
880 | * owner 4 = 32 | |
881 | */ | |
882 | RESERVE_SPACE(8); | |
883 | WRITE32(OP_OPEN); | |
cee54fc9 | 884 | WRITE32(arg->seqid->sequence->counter); |
1da177e4 LT |
885 | encode_share_access(xdr, arg->open_flags); |
886 | RESERVE_SPACE(16); | |
887 | WRITE64(arg->clientid); | |
888 | WRITE32(4); | |
889 | WRITE32(arg->id); | |
890 | } | |
891 | ||
892 | static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
893 | { | |
894 | uint32_t *p; | |
895 | ||
896 | RESERVE_SPACE(4); | |
897 | switch(arg->open_flags & O_EXCL) { | |
898 | case 0: | |
899 | WRITE32(NFS4_CREATE_UNCHECKED); | |
900 | encode_attrs(xdr, arg->u.attrs, arg->server); | |
901 | break; | |
902 | default: | |
903 | WRITE32(NFS4_CREATE_EXCLUSIVE); | |
904 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
905 | } | |
906 | } | |
907 | ||
908 | static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
909 | { | |
910 | uint32_t *p; | |
911 | ||
912 | RESERVE_SPACE(4); | |
913 | switch (arg->open_flags & O_CREAT) { | |
914 | case 0: | |
915 | WRITE32(NFS4_OPEN_NOCREATE); | |
916 | break; | |
917 | default: | |
918 | BUG_ON(arg->claim != NFS4_OPEN_CLAIM_NULL); | |
919 | WRITE32(NFS4_OPEN_CREATE); | |
920 | encode_createmode(xdr, arg); | |
921 | } | |
922 | } | |
923 | ||
924 | static inline void encode_delegation_type(struct xdr_stream *xdr, int delegation_type) | |
925 | { | |
926 | uint32_t *p; | |
927 | ||
928 | RESERVE_SPACE(4); | |
929 | switch (delegation_type) { | |
930 | case 0: | |
931 | WRITE32(NFS4_OPEN_DELEGATE_NONE); | |
932 | break; | |
933 | case FMODE_READ: | |
934 | WRITE32(NFS4_OPEN_DELEGATE_READ); | |
935 | break; | |
936 | case FMODE_WRITE|FMODE_READ: | |
937 | WRITE32(NFS4_OPEN_DELEGATE_WRITE); | |
938 | break; | |
939 | default: | |
940 | BUG(); | |
941 | } | |
942 | } | |
943 | ||
944 | static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *name) | |
945 | { | |
946 | uint32_t *p; | |
947 | ||
948 | RESERVE_SPACE(4); | |
949 | WRITE32(NFS4_OPEN_CLAIM_NULL); | |
950 | encode_string(xdr, name->len, name->name); | |
951 | } | |
952 | ||
953 | static inline void encode_claim_previous(struct xdr_stream *xdr, int type) | |
954 | { | |
955 | uint32_t *p; | |
956 | ||
957 | RESERVE_SPACE(4); | |
958 | WRITE32(NFS4_OPEN_CLAIM_PREVIOUS); | |
959 | encode_delegation_type(xdr, type); | |
960 | } | |
961 | ||
962 | static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struct qstr *name, const nfs4_stateid *stateid) | |
963 | { | |
964 | uint32_t *p; | |
965 | ||
966 | RESERVE_SPACE(4+sizeof(stateid->data)); | |
967 | WRITE32(NFS4_OPEN_CLAIM_DELEGATE_CUR); | |
968 | WRITEMEM(stateid->data, sizeof(stateid->data)); | |
969 | encode_string(xdr, name->len, name->name); | |
970 | } | |
971 | ||
972 | static int encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
973 | { | |
974 | encode_openhdr(xdr, arg); | |
975 | encode_opentype(xdr, arg); | |
976 | switch (arg->claim) { | |
977 | case NFS4_OPEN_CLAIM_NULL: | |
978 | encode_claim_null(xdr, arg->name); | |
979 | break; | |
980 | case NFS4_OPEN_CLAIM_PREVIOUS: | |
981 | encode_claim_previous(xdr, arg->u.delegation_type); | |
982 | break; | |
983 | case NFS4_OPEN_CLAIM_DELEGATE_CUR: | |
984 | encode_claim_delegate_cur(xdr, arg->name, &arg->u.delegation); | |
985 | break; | |
986 | default: | |
987 | BUG(); | |
988 | } | |
989 | return 0; | |
990 | } | |
991 | ||
992 | static int encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg) | |
993 | { | |
994 | uint32_t *p; | |
995 | ||
cdd4e68b | 996 | RESERVE_SPACE(8+sizeof(arg->stateid->data)); |
1da177e4 | 997 | WRITE32(OP_OPEN_CONFIRM); |
cdd4e68b | 998 | WRITEMEM(arg->stateid->data, sizeof(arg->stateid->data)); |
cee54fc9 | 999 | WRITE32(arg->seqid->sequence->counter); |
1da177e4 LT |
1000 | |
1001 | return 0; | |
1002 | } | |
1003 | ||
1004 | static int encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg) | |
1005 | { | |
1006 | uint32_t *p; | |
1007 | ||
9512135d | 1008 | RESERVE_SPACE(8+sizeof(arg->stateid->data)); |
1da177e4 | 1009 | WRITE32(OP_OPEN_DOWNGRADE); |
9512135d | 1010 | WRITEMEM(arg->stateid->data, sizeof(arg->stateid->data)); |
cee54fc9 | 1011 | WRITE32(arg->seqid->sequence->counter); |
1da177e4 LT |
1012 | encode_share_access(xdr, arg->open_flags); |
1013 | return 0; | |
1014 | } | |
1015 | ||
1016 | static int | |
1017 | encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh) | |
1018 | { | |
1019 | int len = fh->size; | |
1020 | uint32_t *p; | |
1021 | ||
1022 | RESERVE_SPACE(8 + len); | |
1023 | WRITE32(OP_PUTFH); | |
1024 | WRITE32(len); | |
1025 | WRITEMEM(fh->data, len); | |
1026 | ||
1027 | return 0; | |
1028 | } | |
1029 | ||
1030 | static int encode_putrootfh(struct xdr_stream *xdr) | |
1031 | { | |
1032 | uint32_t *p; | |
1033 | ||
1034 | RESERVE_SPACE(4); | |
1035 | WRITE32(OP_PUTROOTFH); | |
1036 | ||
1037 | return 0; | |
1038 | } | |
1039 | ||
1040 | static void encode_stateid(struct xdr_stream *xdr, const struct nfs_open_context *ctx) | |
1041 | { | |
1da177e4 LT |
1042 | nfs4_stateid stateid; |
1043 | uint32_t *p; | |
1044 | ||
1045 | RESERVE_SPACE(16); | |
1046 | if (ctx->state != NULL) { | |
1047 | nfs4_copy_stateid(&stateid, ctx->state, ctx->lockowner); | |
1048 | WRITEMEM(stateid.data, sizeof(stateid.data)); | |
1049 | } else | |
1050 | WRITEMEM(zero_stateid.data, sizeof(zero_stateid.data)); | |
1051 | } | |
1052 | ||
1053 | static int encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args) | |
1054 | { | |
1055 | uint32_t *p; | |
1056 | ||
1057 | RESERVE_SPACE(4); | |
1058 | WRITE32(OP_READ); | |
1059 | ||
1060 | encode_stateid(xdr, args->context); | |
1061 | ||
1062 | RESERVE_SPACE(12); | |
1063 | WRITE64(args->offset); | |
1064 | WRITE32(args->count); | |
1065 | ||
1066 | return 0; | |
1067 | } | |
1068 | ||
1069 | static int encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req) | |
1070 | { | |
1071 | struct rpc_auth *auth = req->rq_task->tk_auth; | |
97d312d0 MN |
1072 | uint32_t attrs[2] = { |
1073 | FATTR4_WORD0_RDATTR_ERROR|FATTR4_WORD0_FILEID, | |
1074 | FATTR4_WORD1_MOUNTED_ON_FILEID, | |
1075 | }; | |
1da177e4 LT |
1076 | int replen; |
1077 | uint32_t *p; | |
1078 | ||
1079 | RESERVE_SPACE(32+sizeof(nfs4_verifier)); | |
1080 | WRITE32(OP_READDIR); | |
1081 | WRITE64(readdir->cookie); | |
1082 | WRITEMEM(readdir->verifier.data, sizeof(readdir->verifier.data)); | |
1083 | WRITE32(readdir->count >> 1); /* We're not doing readdirplus */ | |
1084 | WRITE32(readdir->count); | |
1085 | WRITE32(2); | |
97d312d0 MN |
1086 | /* Switch to mounted_on_fileid if the server supports it */ |
1087 | if (readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID) | |
1088 | attrs[0] &= ~FATTR4_WORD0_FILEID; | |
1089 | else | |
1090 | attrs[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; | |
1091 | WRITE32(attrs[0] & readdir->bitmask[0]); | |
1092 | WRITE32(attrs[1] & readdir->bitmask[1]); | |
eadf4598 TM |
1093 | dprintk("%s: cookie = %Lu, verifier = 0x%x%x, bitmap = 0x%x%x\n", |
1094 | __FUNCTION__, | |
1095 | (unsigned long long)readdir->cookie, | |
1096 | ((u32 *)readdir->verifier.data)[0], | |
1097 | ((u32 *)readdir->verifier.data)[1], | |
1098 | attrs[0] & readdir->bitmask[0], | |
1099 | attrs[1] & readdir->bitmask[1]); | |
1da177e4 LT |
1100 | |
1101 | /* set up reply kvec | |
1102 | * toplevel_status + taglen + rescount + OP_PUTFH + status | |
1103 | * + OP_READDIR + status + verifer(2) = 9 | |
1104 | */ | |
1105 | replen = (RPC_REPHDRSIZE + auth->au_rslack + 9) << 2; | |
1106 | xdr_inline_pages(&req->rq_rcv_buf, replen, readdir->pages, | |
1107 | readdir->pgbase, readdir->count); | |
eadf4598 TM |
1108 | dprintk("%s: inlined page args = (%u, %p, %u, %u)\n", |
1109 | __FUNCTION__, replen, readdir->pages, | |
1110 | readdir->pgbase, readdir->count); | |
1da177e4 LT |
1111 | |
1112 | return 0; | |
1113 | } | |
1114 | ||
1115 | static int encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req) | |
1116 | { | |
1117 | struct rpc_auth *auth = req->rq_task->tk_auth; | |
1118 | unsigned int replen; | |
1119 | uint32_t *p; | |
1120 | ||
1121 | RESERVE_SPACE(4); | |
1122 | WRITE32(OP_READLINK); | |
1123 | ||
1124 | /* set up reply kvec | |
1125 | * toplevel_status + taglen + rescount + OP_PUTFH + status | |
1126 | * + OP_READLINK + status + string length = 8 | |
1127 | */ | |
1128 | replen = (RPC_REPHDRSIZE + auth->au_rslack + 8) << 2; | |
1129 | xdr_inline_pages(&req->rq_rcv_buf, replen, readlink->pages, | |
1130 | readlink->pgbase, readlink->pglen); | |
1131 | ||
1132 | return 0; | |
1133 | } | |
1134 | ||
1135 | static int encode_remove(struct xdr_stream *xdr, const struct qstr *name) | |
1136 | { | |
1137 | uint32_t *p; | |
1138 | ||
1139 | RESERVE_SPACE(8 + name->len); | |
1140 | WRITE32(OP_REMOVE); | |
1141 | WRITE32(name->len); | |
1142 | WRITEMEM(name->name, name->len); | |
1143 | ||
1144 | return 0; | |
1145 | } | |
1146 | ||
1147 | static int encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname) | |
1148 | { | |
1149 | uint32_t *p; | |
1150 | ||
1151 | RESERVE_SPACE(8 + oldname->len); | |
1152 | WRITE32(OP_RENAME); | |
1153 | WRITE32(oldname->len); | |
1154 | WRITEMEM(oldname->name, oldname->len); | |
1155 | ||
1156 | RESERVE_SPACE(4 + newname->len); | |
1157 | WRITE32(newname->len); | |
1158 | WRITEMEM(newname->name, newname->len); | |
1159 | ||
1160 | return 0; | |
1161 | } | |
1162 | ||
adfa6f98 | 1163 | static int encode_renew(struct xdr_stream *xdr, const struct nfs_client *client_stateid) |
1da177e4 LT |
1164 | { |
1165 | uint32_t *p; | |
1166 | ||
1167 | RESERVE_SPACE(12); | |
1168 | WRITE32(OP_RENEW); | |
1169 | WRITE64(client_stateid->cl_clientid); | |
1170 | ||
1171 | return 0; | |
1172 | } | |
1173 | ||
56ae19f3 TM |
1174 | static int |
1175 | encode_restorefh(struct xdr_stream *xdr) | |
1176 | { | |
1177 | uint32_t *p; | |
1178 | ||
1179 | RESERVE_SPACE(4); | |
1180 | WRITE32(OP_RESTOREFH); | |
1181 | ||
1182 | return 0; | |
1183 | } | |
1184 | ||
23ec6965 BF |
1185 | static int |
1186 | encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg) | |
1187 | { | |
1188 | uint32_t *p; | |
1189 | ||
1190 | RESERVE_SPACE(4+sizeof(zero_stateid.data)); | |
1191 | WRITE32(OP_SETATTR); | |
1192 | WRITEMEM(zero_stateid.data, sizeof(zero_stateid.data)); | |
1193 | RESERVE_SPACE(2*4); | |
1194 | WRITE32(1); | |
1195 | WRITE32(FATTR4_WORD0_ACL); | |
1196 | if (arg->acl_len % 4) | |
1197 | return -EINVAL; | |
1198 | RESERVE_SPACE(4); | |
1199 | WRITE32(arg->acl_len); | |
1200 | xdr_write_pages(xdr, arg->acl_pages, arg->acl_pgbase, arg->acl_len); | |
1201 | return 0; | |
1202 | } | |
1203 | ||
1da177e4 LT |
1204 | static int |
1205 | encode_savefh(struct xdr_stream *xdr) | |
1206 | { | |
1207 | uint32_t *p; | |
1208 | ||
1209 | RESERVE_SPACE(4); | |
1210 | WRITE32(OP_SAVEFH); | |
1211 | ||
1212 | return 0; | |
1213 | } | |
1214 | ||
1215 | static int encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server) | |
1216 | { | |
1217 | int status; | |
1218 | uint32_t *p; | |
1219 | ||
1220 | RESERVE_SPACE(4+sizeof(arg->stateid.data)); | |
1221 | WRITE32(OP_SETATTR); | |
1222 | WRITEMEM(arg->stateid.data, sizeof(arg->stateid.data)); | |
1223 | ||
1224 | if ((status = encode_attrs(xdr, arg->iap, server))) | |
1225 | return status; | |
1226 | ||
1227 | return 0; | |
1228 | } | |
1229 | ||
1230 | static int encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid) | |
1231 | { | |
1232 | uint32_t *p; | |
1233 | ||
1234 | RESERVE_SPACE(4 + sizeof(setclientid->sc_verifier->data)); | |
1235 | WRITE32(OP_SETCLIENTID); | |
1236 | WRITEMEM(setclientid->sc_verifier->data, sizeof(setclientid->sc_verifier->data)); | |
1237 | ||
1238 | encode_string(xdr, setclientid->sc_name_len, setclientid->sc_name); | |
1239 | RESERVE_SPACE(4); | |
1240 | WRITE32(setclientid->sc_prog); | |
1241 | encode_string(xdr, setclientid->sc_netid_len, setclientid->sc_netid); | |
1242 | encode_string(xdr, setclientid->sc_uaddr_len, setclientid->sc_uaddr); | |
1243 | RESERVE_SPACE(4); | |
1244 | WRITE32(setclientid->sc_cb_ident); | |
1245 | ||
1246 | return 0; | |
1247 | } | |
1248 | ||
adfa6f98 | 1249 | static int encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs_client *client_state) |
1da177e4 LT |
1250 | { |
1251 | uint32_t *p; | |
1252 | ||
1253 | RESERVE_SPACE(12 + sizeof(client_state->cl_confirm.data)); | |
1254 | WRITE32(OP_SETCLIENTID_CONFIRM); | |
1255 | WRITE64(client_state->cl_clientid); | |
1256 | WRITEMEM(client_state->cl_confirm.data, sizeof(client_state->cl_confirm.data)); | |
1257 | ||
1258 | return 0; | |
1259 | } | |
1260 | ||
1261 | static int encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *args) | |
1262 | { | |
1263 | uint32_t *p; | |
1264 | ||
1265 | RESERVE_SPACE(4); | |
1266 | WRITE32(OP_WRITE); | |
1267 | ||
1268 | encode_stateid(xdr, args->context); | |
1269 | ||
1270 | RESERVE_SPACE(16); | |
1271 | WRITE64(args->offset); | |
1272 | WRITE32(args->stable); | |
1273 | WRITE32(args->count); | |
1274 | ||
1275 | xdr_write_pages(xdr, args->pages, args->pgbase, args->count); | |
1276 | ||
1277 | return 0; | |
1278 | } | |
1279 | ||
1280 | static int encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid) | |
1281 | { | |
1282 | uint32_t *p; | |
1283 | ||
1284 | RESERVE_SPACE(20); | |
1285 | ||
1286 | WRITE32(OP_DELEGRETURN); | |
1287 | WRITEMEM(stateid->data, sizeof(stateid->data)); | |
1288 | return 0; | |
1289 | ||
1290 | } | |
1291 | /* | |
1292 | * END OF "GENERIC" ENCODE ROUTINES. | |
1293 | */ | |
1294 | ||
1295 | /* | |
1296 | * Encode an ACCESS request | |
1297 | */ | |
1298 | static int nfs4_xdr_enc_access(struct rpc_rqst *req, uint32_t *p, const struct nfs4_accessargs *args) | |
1299 | { | |
1300 | struct xdr_stream xdr; | |
1301 | struct compound_hdr hdr = { | |
1302 | .nops = 2, | |
1303 | }; | |
1304 | int status; | |
1305 | ||
1306 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1307 | encode_compound_hdr(&xdr, &hdr); | |
1308 | if ((status = encode_putfh(&xdr, args->fh)) == 0) | |
1309 | status = encode_access(&xdr, args->access); | |
1310 | return status; | |
1311 | } | |
1312 | ||
1313 | /* | |
1314 | * Encode LOOKUP request | |
1315 | */ | |
1316 | static int nfs4_xdr_enc_lookup(struct rpc_rqst *req, uint32_t *p, const struct nfs4_lookup_arg *args) | |
1317 | { | |
1318 | struct xdr_stream xdr; | |
1319 | struct compound_hdr hdr = { | |
1320 | .nops = 4, | |
1321 | }; | |
1322 | int status; | |
1323 | ||
1324 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1325 | encode_compound_hdr(&xdr, &hdr); | |
1326 | if ((status = encode_putfh(&xdr, args->dir_fh)) != 0) | |
1327 | goto out; | |
1328 | if ((status = encode_lookup(&xdr, args->name)) != 0) | |
1329 | goto out; | |
1330 | if ((status = encode_getfh(&xdr)) != 0) | |
1331 | goto out; | |
1332 | status = encode_getfattr(&xdr, args->bitmask); | |
1333 | out: | |
1334 | return status; | |
1335 | } | |
1336 | ||
1337 | /* | |
1338 | * Encode LOOKUP_ROOT request | |
1339 | */ | |
1340 | static int nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, uint32_t *p, const struct nfs4_lookup_root_arg *args) | |
1341 | { | |
1342 | struct xdr_stream xdr; | |
1343 | struct compound_hdr hdr = { | |
1344 | .nops = 3, | |
1345 | }; | |
1346 | int status; | |
1347 | ||
1348 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1349 | encode_compound_hdr(&xdr, &hdr); | |
1350 | if ((status = encode_putrootfh(&xdr)) != 0) | |
1351 | goto out; | |
1352 | if ((status = encode_getfh(&xdr)) == 0) | |
1353 | status = encode_getfattr(&xdr, args->bitmask); | |
1354 | out: | |
1355 | return status; | |
1356 | } | |
1357 | ||
1358 | /* | |
1359 | * Encode REMOVE request | |
1360 | */ | |
1361 | static int nfs4_xdr_enc_remove(struct rpc_rqst *req, uint32_t *p, const struct nfs4_remove_arg *args) | |
1362 | { | |
1363 | struct xdr_stream xdr; | |
1364 | struct compound_hdr hdr = { | |
16e42959 | 1365 | .nops = 3, |
1da177e4 LT |
1366 | }; |
1367 | int status; | |
1368 | ||
1369 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1370 | encode_compound_hdr(&xdr, &hdr); | |
16e42959 TM |
1371 | if ((status = encode_putfh(&xdr, args->fh)) != 0) |
1372 | goto out; | |
1373 | if ((status = encode_remove(&xdr, args->name)) != 0) | |
1374 | goto out; | |
1375 | status = encode_getfattr(&xdr, args->bitmask); | |
1376 | out: | |
1da177e4 LT |
1377 | return status; |
1378 | } | |
1379 | ||
1380 | /* | |
1381 | * Encode RENAME request | |
1382 | */ | |
1383 | static int nfs4_xdr_enc_rename(struct rpc_rqst *req, uint32_t *p, const struct nfs4_rename_arg *args) | |
1384 | { | |
1385 | struct xdr_stream xdr; | |
1386 | struct compound_hdr hdr = { | |
6caf2c82 | 1387 | .nops = 7, |
1da177e4 LT |
1388 | }; |
1389 | int status; | |
1390 | ||
1391 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1392 | encode_compound_hdr(&xdr, &hdr); | |
1393 | if ((status = encode_putfh(&xdr, args->old_dir)) != 0) | |
1394 | goto out; | |
1395 | if ((status = encode_savefh(&xdr)) != 0) | |
1396 | goto out; | |
1397 | if ((status = encode_putfh(&xdr, args->new_dir)) != 0) | |
1398 | goto out; | |
6caf2c82 TM |
1399 | if ((status = encode_rename(&xdr, args->old_name, args->new_name)) != 0) |
1400 | goto out; | |
1401 | if ((status = encode_getfattr(&xdr, args->bitmask)) != 0) | |
1402 | goto out; | |
1403 | if ((status = encode_restorefh(&xdr)) != 0) | |
1404 | goto out; | |
1405 | status = encode_getfattr(&xdr, args->bitmask); | |
1da177e4 LT |
1406 | out: |
1407 | return status; | |
1408 | } | |
1409 | ||
1410 | /* | |
1411 | * Encode LINK request | |
1412 | */ | |
1413 | static int nfs4_xdr_enc_link(struct rpc_rqst *req, uint32_t *p, const struct nfs4_link_arg *args) | |
1414 | { | |
1415 | struct xdr_stream xdr; | |
1416 | struct compound_hdr hdr = { | |
91ba2eee | 1417 | .nops = 7, |
1da177e4 LT |
1418 | }; |
1419 | int status; | |
1420 | ||
1421 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1422 | encode_compound_hdr(&xdr, &hdr); | |
1423 | if ((status = encode_putfh(&xdr, args->fh)) != 0) | |
1424 | goto out; | |
1425 | if ((status = encode_savefh(&xdr)) != 0) | |
1426 | goto out; | |
1427 | if ((status = encode_putfh(&xdr, args->dir_fh)) != 0) | |
1428 | goto out; | |
91ba2eee TM |
1429 | if ((status = encode_link(&xdr, args->name)) != 0) |
1430 | goto out; | |
1431 | if ((status = encode_getfattr(&xdr, args->bitmask)) != 0) | |
1432 | goto out; | |
1433 | if ((status = encode_restorefh(&xdr)) != 0) | |
1434 | goto out; | |
1435 | status = encode_getfattr(&xdr, args->bitmask); | |
1da177e4 LT |
1436 | out: |
1437 | return status; | |
1438 | } | |
1439 | ||
1440 | /* | |
1441 | * Encode CREATE request | |
1442 | */ | |
1443 | static int nfs4_xdr_enc_create(struct rpc_rqst *req, uint32_t *p, const struct nfs4_create_arg *args) | |
1444 | { | |
1445 | struct xdr_stream xdr; | |
1446 | struct compound_hdr hdr = { | |
56ae19f3 | 1447 | .nops = 7, |
1da177e4 LT |
1448 | }; |
1449 | int status; | |
1450 | ||
1451 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1452 | encode_compound_hdr(&xdr, &hdr); | |
1453 | if ((status = encode_putfh(&xdr, args->dir_fh)) != 0) | |
1454 | goto out; | |
56ae19f3 TM |
1455 | if ((status = encode_savefh(&xdr)) != 0) |
1456 | goto out; | |
1da177e4 LT |
1457 | if ((status = encode_create(&xdr, args)) != 0) |
1458 | goto out; | |
1459 | if ((status = encode_getfh(&xdr)) != 0) | |
1460 | goto out; | |
56ae19f3 TM |
1461 | if ((status = encode_getfattr(&xdr, args->bitmask)) != 0) |
1462 | goto out; | |
1463 | if ((status = encode_restorefh(&xdr)) != 0) | |
1464 | goto out; | |
1da177e4 LT |
1465 | status = encode_getfattr(&xdr, args->bitmask); |
1466 | out: | |
1467 | return status; | |
1468 | } | |
1469 | ||
1470 | /* | |
1471 | * Encode SYMLINK request | |
1472 | */ | |
1473 | static int nfs4_xdr_enc_symlink(struct rpc_rqst *req, uint32_t *p, const struct nfs4_create_arg *args) | |
1474 | { | |
1475 | return nfs4_xdr_enc_create(req, p, args); | |
1476 | } | |
1477 | ||
1478 | /* | |
1479 | * Encode GETATTR request | |
1480 | */ | |
1481 | static int nfs4_xdr_enc_getattr(struct rpc_rqst *req, uint32_t *p, const struct nfs4_getattr_arg *args) | |
1482 | { | |
1483 | struct xdr_stream xdr; | |
1484 | struct compound_hdr hdr = { | |
1485 | .nops = 2, | |
1486 | }; | |
1487 | int status; | |
1488 | ||
1489 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1490 | encode_compound_hdr(&xdr, &hdr); | |
1491 | if ((status = encode_putfh(&xdr, args->fh)) == 0) | |
1492 | status = encode_getfattr(&xdr, args->bitmask); | |
1493 | return status; | |
1494 | } | |
1495 | ||
1496 | /* | |
1497 | * Encode a CLOSE request | |
1498 | */ | |
1499 | static int nfs4_xdr_enc_close(struct rpc_rqst *req, uint32_t *p, struct nfs_closeargs *args) | |
1500 | { | |
1501 | struct xdr_stream xdr; | |
1502 | struct compound_hdr hdr = { | |
516a6af6 | 1503 | .nops = 3, |
1da177e4 LT |
1504 | }; |
1505 | int status; | |
1506 | ||
1507 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1508 | encode_compound_hdr(&xdr, &hdr); | |
1509 | status = encode_putfh(&xdr, args->fh); | |
1510 | if(status) | |
1511 | goto out; | |
1512 | status = encode_close(&xdr, args); | |
516a6af6 TM |
1513 | if (status != 0) |
1514 | goto out; | |
1515 | status = encode_getfattr(&xdr, args->bitmask); | |
1da177e4 LT |
1516 | out: |
1517 | return status; | |
1518 | } | |
1519 | ||
1520 | /* | |
1521 | * Encode an OPEN request | |
1522 | */ | |
1523 | static int nfs4_xdr_enc_open(struct rpc_rqst *req, uint32_t *p, struct nfs_openargs *args) | |
1524 | { | |
1525 | struct xdr_stream xdr; | |
1526 | struct compound_hdr hdr = { | |
56ae19f3 | 1527 | .nops = 7, |
1da177e4 LT |
1528 | }; |
1529 | int status; | |
1530 | ||
1531 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1532 | encode_compound_hdr(&xdr, &hdr); | |
1533 | status = encode_putfh(&xdr, args->fh); | |
56ae19f3 TM |
1534 | if (status) |
1535 | goto out; | |
1536 | status = encode_savefh(&xdr); | |
1da177e4 LT |
1537 | if (status) |
1538 | goto out; | |
1539 | status = encode_open(&xdr, args); | |
1540 | if (status) | |
1541 | goto out; | |
1542 | status = encode_getfh(&xdr); | |
1543 | if (status) | |
1544 | goto out; | |
1545 | status = encode_getfattr(&xdr, args->bitmask); | |
56ae19f3 TM |
1546 | if (status) |
1547 | goto out; | |
1548 | status = encode_restorefh(&xdr); | |
1549 | if (status) | |
1550 | goto out; | |
1551 | status = encode_getfattr(&xdr, args->bitmask); | |
1da177e4 LT |
1552 | out: |
1553 | return status; | |
1554 | } | |
1555 | ||
1556 | /* | |
1557 | * Encode an OPEN_CONFIRM request | |
1558 | */ | |
1559 | static int nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, uint32_t *p, struct nfs_open_confirmargs *args) | |
1560 | { | |
1561 | struct xdr_stream xdr; | |
1562 | struct compound_hdr hdr = { | |
1563 | .nops = 2, | |
1564 | }; | |
1565 | int status; | |
1566 | ||
1567 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1568 | encode_compound_hdr(&xdr, &hdr); | |
1569 | status = encode_putfh(&xdr, args->fh); | |
1570 | if(status) | |
1571 | goto out; | |
1572 | status = encode_open_confirm(&xdr, args); | |
1573 | out: | |
1574 | return status; | |
1575 | } | |
1576 | ||
1577 | /* | |
1578 | * Encode an OPEN request with no attributes. | |
1579 | */ | |
1580 | static int nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, uint32_t *p, struct nfs_openargs *args) | |
1581 | { | |
1582 | struct xdr_stream xdr; | |
1583 | struct compound_hdr hdr = { | |
864472e9 | 1584 | .nops = 3, |
1da177e4 LT |
1585 | }; |
1586 | int status; | |
1587 | ||
1588 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1589 | encode_compound_hdr(&xdr, &hdr); | |
1590 | status = encode_putfh(&xdr, args->fh); | |
1591 | if (status) | |
1592 | goto out; | |
1593 | status = encode_open(&xdr, args); | |
864472e9 TM |
1594 | if (status) |
1595 | goto out; | |
1596 | status = encode_getfattr(&xdr, args->bitmask); | |
1da177e4 LT |
1597 | out: |
1598 | return status; | |
1599 | } | |
1600 | ||
1601 | /* | |
1602 | * Encode an OPEN_DOWNGRADE request | |
1603 | */ | |
1604 | static int nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, uint32_t *p, struct nfs_closeargs *args) | |
1605 | { | |
1606 | struct xdr_stream xdr; | |
1607 | struct compound_hdr hdr = { | |
516a6af6 | 1608 | .nops = 3, |
1da177e4 LT |
1609 | }; |
1610 | int status; | |
1611 | ||
1612 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1613 | encode_compound_hdr(&xdr, &hdr); | |
1614 | status = encode_putfh(&xdr, args->fh); | |
1615 | if (status) | |
1616 | goto out; | |
1617 | status = encode_open_downgrade(&xdr, args); | |
516a6af6 TM |
1618 | if (status != 0) |
1619 | goto out; | |
1620 | status = encode_getfattr(&xdr, args->bitmask); | |
1da177e4 LT |
1621 | out: |
1622 | return status; | |
1623 | } | |
1624 | ||
1625 | /* | |
1626 | * Encode a LOCK request | |
1627 | */ | |
911d1aaf | 1628 | static int nfs4_xdr_enc_lock(struct rpc_rqst *req, uint32_t *p, struct nfs_lock_args *args) |
1da177e4 LT |
1629 | { |
1630 | struct xdr_stream xdr; | |
1631 | struct compound_hdr hdr = { | |
1632 | .nops = 2, | |
1633 | }; | |
1634 | int status; | |
1635 | ||
1636 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1637 | encode_compound_hdr(&xdr, &hdr); | |
1638 | status = encode_putfh(&xdr, args->fh); | |
1639 | if(status) | |
1640 | goto out; | |
1641 | status = encode_lock(&xdr, args); | |
1642 | out: | |
1643 | return status; | |
1644 | } | |
1645 | ||
1646 | /* | |
1647 | * Encode a LOCKT request | |
1648 | */ | |
911d1aaf | 1649 | static int nfs4_xdr_enc_lockt(struct rpc_rqst *req, uint32_t *p, struct nfs_lockt_args *args) |
1da177e4 LT |
1650 | { |
1651 | struct xdr_stream xdr; | |
1652 | struct compound_hdr hdr = { | |
1653 | .nops = 2, | |
1654 | }; | |
1655 | int status; | |
1656 | ||
1657 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1658 | encode_compound_hdr(&xdr, &hdr); | |
1659 | status = encode_putfh(&xdr, args->fh); | |
1660 | if(status) | |
1661 | goto out; | |
1662 | status = encode_lockt(&xdr, args); | |
1663 | out: | |
1664 | return status; | |
1665 | } | |
1666 | ||
1667 | /* | |
1668 | * Encode a LOCKU request | |
1669 | */ | |
911d1aaf | 1670 | static int nfs4_xdr_enc_locku(struct rpc_rqst *req, uint32_t *p, struct nfs_locku_args *args) |
1da177e4 LT |
1671 | { |
1672 | struct xdr_stream xdr; | |
1673 | struct compound_hdr hdr = { | |
1674 | .nops = 2, | |
1675 | }; | |
1676 | int status; | |
1677 | ||
1678 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1679 | encode_compound_hdr(&xdr, &hdr); | |
1680 | status = encode_putfh(&xdr, args->fh); | |
1681 | if(status) | |
1682 | goto out; | |
1683 | status = encode_locku(&xdr, args); | |
1684 | out: | |
1685 | return status; | |
1686 | } | |
1687 | ||
1688 | /* | |
1689 | * Encode a READLINK request | |
1690 | */ | |
1691 | static int nfs4_xdr_enc_readlink(struct rpc_rqst *req, uint32_t *p, const struct nfs4_readlink *args) | |
1692 | { | |
1693 | struct xdr_stream xdr; | |
1694 | struct compound_hdr hdr = { | |
1695 | .nops = 2, | |
1696 | }; | |
1697 | int status; | |
1698 | ||
1699 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1700 | encode_compound_hdr(&xdr, &hdr); | |
1701 | status = encode_putfh(&xdr, args->fh); | |
1702 | if(status) | |
1703 | goto out; | |
1704 | status = encode_readlink(&xdr, args, req); | |
1705 | out: | |
1706 | return status; | |
1707 | } | |
1708 | ||
1709 | /* | |
1710 | * Encode a READDIR request | |
1711 | */ | |
1712 | static int nfs4_xdr_enc_readdir(struct rpc_rqst *req, uint32_t *p, const struct nfs4_readdir_arg *args) | |
1713 | { | |
1714 | struct xdr_stream xdr; | |
1715 | struct compound_hdr hdr = { | |
1716 | .nops = 2, | |
1717 | }; | |
1718 | int status; | |
1719 | ||
1720 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1721 | encode_compound_hdr(&xdr, &hdr); | |
1722 | status = encode_putfh(&xdr, args->fh); | |
1723 | if(status) | |
1724 | goto out; | |
1725 | status = encode_readdir(&xdr, args, req); | |
1726 | out: | |
1727 | return status; | |
1728 | } | |
1729 | ||
1730 | /* | |
1731 | * Encode a READ request | |
1732 | */ | |
1733 | static int nfs4_xdr_enc_read(struct rpc_rqst *req, uint32_t *p, struct nfs_readargs *args) | |
1734 | { | |
1735 | struct rpc_auth *auth = req->rq_task->tk_auth; | |
1736 | struct xdr_stream xdr; | |
1737 | struct compound_hdr hdr = { | |
1738 | .nops = 2, | |
1739 | }; | |
1740 | int replen, status; | |
1741 | ||
1742 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1743 | encode_compound_hdr(&xdr, &hdr); | |
1744 | status = encode_putfh(&xdr, args->fh); | |
1745 | if (status) | |
1746 | goto out; | |
1747 | status = encode_read(&xdr, args); | |
1748 | if (status) | |
1749 | goto out; | |
1750 | ||
1751 | /* set up reply kvec | |
1752 | * toplevel status + taglen=0 + rescount + OP_PUTFH + status | |
1753 | * + OP_READ + status + eof + datalen = 9 | |
1754 | */ | |
1755 | replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS4_dec_read_sz) << 2; | |
1756 | xdr_inline_pages(&req->rq_rcv_buf, replen, | |
1757 | args->pages, args->pgbase, args->count); | |
1758 | out: | |
1759 | return status; | |
1760 | } | |
1761 | ||
1762 | /* | |
1763 | * Encode an SETATTR request | |
1764 | */ | |
1765 | static int nfs4_xdr_enc_setattr(struct rpc_rqst *req, uint32_t *p, struct nfs_setattrargs *args) | |
1766 | ||
1767 | { | |
1768 | struct xdr_stream xdr; | |
1769 | struct compound_hdr hdr = { | |
1770 | .nops = 3, | |
1771 | }; | |
1772 | int status; | |
1773 | ||
1774 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1775 | encode_compound_hdr(&xdr, &hdr); | |
1776 | status = encode_putfh(&xdr, args->fh); | |
1777 | if(status) | |
1778 | goto out; | |
1779 | status = encode_setattr(&xdr, args, args->server); | |
1780 | if(status) | |
1781 | goto out; | |
1782 | status = encode_getfattr(&xdr, args->bitmask); | |
1783 | out: | |
1784 | return status; | |
1785 | } | |
1786 | ||
029d105e BF |
1787 | /* |
1788 | * Encode a GETACL request | |
1789 | */ | |
1790 | static int | |
1791 | nfs4_xdr_enc_getacl(struct rpc_rqst *req, uint32_t *p, | |
1792 | struct nfs_getaclargs *args) | |
1793 | { | |
1794 | struct xdr_stream xdr; | |
1795 | struct rpc_auth *auth = req->rq_task->tk_auth; | |
1796 | struct compound_hdr hdr = { | |
1797 | .nops = 2, | |
1798 | }; | |
1799 | int replen, status; | |
1800 | ||
1801 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1802 | encode_compound_hdr(&xdr, &hdr); | |
1803 | status = encode_putfh(&xdr, args->fh); | |
1804 | if (status) | |
1805 | goto out; | |
1806 | status = encode_getattr_two(&xdr, FATTR4_WORD0_ACL, 0); | |
1807 | /* set up reply buffer: */ | |
1808 | replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS4_dec_getacl_sz) << 2; | |
1809 | xdr_inline_pages(&req->rq_rcv_buf, replen, | |
1810 | args->acl_pages, args->acl_pgbase, args->acl_len); | |
1811 | out: | |
1812 | return status; | |
1813 | } | |
1814 | ||
1da177e4 LT |
1815 | /* |
1816 | * Encode a WRITE request | |
1817 | */ | |
1818 | static int nfs4_xdr_enc_write(struct rpc_rqst *req, uint32_t *p, struct nfs_writeargs *args) | |
1819 | { | |
1820 | struct xdr_stream xdr; | |
1821 | struct compound_hdr hdr = { | |
4f9838c7 | 1822 | .nops = 3, |
1da177e4 LT |
1823 | }; |
1824 | int status; | |
1825 | ||
1826 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1827 | encode_compound_hdr(&xdr, &hdr); | |
1828 | status = encode_putfh(&xdr, args->fh); | |
1829 | if (status) | |
1830 | goto out; | |
1831 | status = encode_write(&xdr, args); | |
4f9838c7 TM |
1832 | if (status) |
1833 | goto out; | |
1834 | status = encode_getfattr(&xdr, args->bitmask); | |
1da177e4 LT |
1835 | out: |
1836 | return status; | |
1837 | } | |
1838 | ||
1839 | /* | |
1840 | * a COMMIT request | |
1841 | */ | |
1842 | static int nfs4_xdr_enc_commit(struct rpc_rqst *req, uint32_t *p, struct nfs_writeargs *args) | |
1843 | { | |
1844 | struct xdr_stream xdr; | |
1845 | struct compound_hdr hdr = { | |
4f9838c7 | 1846 | .nops = 3, |
1da177e4 LT |
1847 | }; |
1848 | int status; | |
1849 | ||
1850 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1851 | encode_compound_hdr(&xdr, &hdr); | |
1852 | status = encode_putfh(&xdr, args->fh); | |
1853 | if (status) | |
1854 | goto out; | |
1855 | status = encode_commit(&xdr, args); | |
4f9838c7 TM |
1856 | if (status) |
1857 | goto out; | |
1858 | status = encode_getfattr(&xdr, args->bitmask); | |
1da177e4 LT |
1859 | out: |
1860 | return status; | |
1861 | } | |
1862 | ||
1863 | /* | |
1864 | * FSINFO request | |
1865 | */ | |
1866 | static int nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, uint32_t *p, struct nfs4_fsinfo_arg *args) | |
1867 | { | |
1868 | struct xdr_stream xdr; | |
1869 | struct compound_hdr hdr = { | |
1870 | .nops = 2, | |
1871 | }; | |
1872 | int status; | |
1873 | ||
1874 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1875 | encode_compound_hdr(&xdr, &hdr); | |
1876 | status = encode_putfh(&xdr, args->fh); | |
1877 | if (!status) | |
1878 | status = encode_fsinfo(&xdr, args->bitmask); | |
1879 | return status; | |
1880 | } | |
1881 | ||
1882 | /* | |
1883 | * a PATHCONF request | |
1884 | */ | |
1885 | static int nfs4_xdr_enc_pathconf(struct rpc_rqst *req, uint32_t *p, const struct nfs4_pathconf_arg *args) | |
1886 | { | |
1da177e4 LT |
1887 | struct xdr_stream xdr; |
1888 | struct compound_hdr hdr = { | |
1889 | .nops = 2, | |
1890 | }; | |
1891 | int status; | |
1892 | ||
1893 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1894 | encode_compound_hdr(&xdr, &hdr); | |
1895 | status = encode_putfh(&xdr, args->fh); | |
1896 | if (!status) | |
1897 | status = encode_getattr_one(&xdr, | |
1898 | args->bitmask[0] & nfs4_pathconf_bitmap[0]); | |
1899 | return status; | |
1900 | } | |
1901 | ||
1902 | /* | |
1903 | * a STATFS request | |
1904 | */ | |
1905 | static int nfs4_xdr_enc_statfs(struct rpc_rqst *req, uint32_t *p, const struct nfs4_statfs_arg *args) | |
1906 | { | |
1da177e4 LT |
1907 | struct xdr_stream xdr; |
1908 | struct compound_hdr hdr = { | |
1909 | .nops = 2, | |
1910 | }; | |
1911 | int status; | |
1912 | ||
1913 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1914 | encode_compound_hdr(&xdr, &hdr); | |
1915 | status = encode_putfh(&xdr, args->fh); | |
1916 | if (status == 0) | |
1917 | status = encode_getattr_two(&xdr, | |
1918 | args->bitmask[0] & nfs4_statfs_bitmap[0], | |
1919 | args->bitmask[1] & nfs4_statfs_bitmap[1]); | |
1920 | return status; | |
1921 | } | |
1922 | ||
1923 | /* | |
1924 | * GETATTR_BITMAP request | |
1925 | */ | |
1926 | static int nfs4_xdr_enc_server_caps(struct rpc_rqst *req, uint32_t *p, const struct nfs_fh *fhandle) | |
1927 | { | |
1928 | struct xdr_stream xdr; | |
1929 | struct compound_hdr hdr = { | |
1930 | .nops = 2, | |
1931 | }; | |
1932 | int status; | |
1933 | ||
1934 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1935 | encode_compound_hdr(&xdr, &hdr); | |
1936 | status = encode_putfh(&xdr, fhandle); | |
1937 | if (status == 0) | |
1938 | status = encode_getattr_one(&xdr, FATTR4_WORD0_SUPPORTED_ATTRS| | |
1939 | FATTR4_WORD0_LINK_SUPPORT| | |
1940 | FATTR4_WORD0_SYMLINK_SUPPORT| | |
1941 | FATTR4_WORD0_ACLSUPPORT); | |
1942 | return status; | |
1943 | } | |
1944 | ||
1945 | /* | |
1946 | * a RENEW request | |
1947 | */ | |
adfa6f98 | 1948 | static int nfs4_xdr_enc_renew(struct rpc_rqst *req, uint32_t *p, struct nfs_client *clp) |
1da177e4 LT |
1949 | { |
1950 | struct xdr_stream xdr; | |
1951 | struct compound_hdr hdr = { | |
1952 | .nops = 1, | |
1953 | }; | |
1954 | ||
1955 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1956 | encode_compound_hdr(&xdr, &hdr); | |
1957 | return encode_renew(&xdr, clp); | |
1958 | } | |
1959 | ||
1960 | /* | |
1961 | * a SETCLIENTID request | |
1962 | */ | |
1963 | static int nfs4_xdr_enc_setclientid(struct rpc_rqst *req, uint32_t *p, struct nfs4_setclientid *sc) | |
1964 | { | |
1965 | struct xdr_stream xdr; | |
1966 | struct compound_hdr hdr = { | |
1967 | .nops = 1, | |
1968 | }; | |
1969 | ||
1970 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1971 | encode_compound_hdr(&xdr, &hdr); | |
1972 | return encode_setclientid(&xdr, sc); | |
1973 | } | |
1974 | ||
1975 | /* | |
1976 | * a SETCLIENTID_CONFIRM request | |
1977 | */ | |
adfa6f98 | 1978 | static int nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, uint32_t *p, struct nfs_client *clp) |
1da177e4 LT |
1979 | { |
1980 | struct xdr_stream xdr; | |
1981 | struct compound_hdr hdr = { | |
1982 | .nops = 3, | |
1983 | }; | |
1984 | const u32 lease_bitmap[2] = { FATTR4_WORD0_LEASE_TIME, 0 }; | |
1985 | int status; | |
1986 | ||
1987 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1988 | encode_compound_hdr(&xdr, &hdr); | |
1989 | status = encode_setclientid_confirm(&xdr, clp); | |
1990 | if (!status) | |
1991 | status = encode_putrootfh(&xdr); | |
1992 | if (!status) | |
1993 | status = encode_fsinfo(&xdr, lease_bitmap); | |
1994 | return status; | |
1995 | } | |
1996 | ||
1997 | /* | |
1998 | * DELEGRETURN request | |
1999 | */ | |
2000 | static int nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, uint32_t *p, const struct nfs4_delegreturnargs *args) | |
2001 | { | |
2002 | struct xdr_stream xdr; | |
2003 | struct compound_hdr hdr = { | |
fa178f29 | 2004 | .nops = 3, |
1da177e4 LT |
2005 | }; |
2006 | int status; | |
2007 | ||
2008 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
2009 | encode_compound_hdr(&xdr, &hdr); | |
fa178f29 TM |
2010 | status = encode_putfh(&xdr, args->fhandle); |
2011 | if (status != 0) | |
2012 | goto out; | |
2013 | status = encode_delegreturn(&xdr, args->stateid); | |
2014 | if (status != 0) | |
2015 | goto out; | |
2016 | status = encode_getfattr(&xdr, args->bitmask); | |
2017 | out: | |
1da177e4 LT |
2018 | return status; |
2019 | } | |
2020 | ||
683b57b4 TM |
2021 | /* |
2022 | * Encode FS_LOCATIONS request | |
2023 | */ | |
2024 | static int nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, uint32_t *p, struct nfs4_fs_locations_arg *args) | |
2025 | { | |
2026 | struct xdr_stream xdr; | |
2027 | struct compound_hdr hdr = { | |
2028 | .nops = 3, | |
2029 | }; | |
2030 | struct rpc_auth *auth = req->rq_task->tk_auth; | |
2031 | int replen; | |
2032 | int status; | |
2033 | ||
2034 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
2035 | encode_compound_hdr(&xdr, &hdr); | |
2036 | if ((status = encode_putfh(&xdr, args->dir_fh)) != 0) | |
2037 | goto out; | |
2038 | if ((status = encode_lookup(&xdr, args->name)) != 0) | |
2039 | goto out; | |
830b8e33 | 2040 | if ((status = encode_fs_locations(&xdr, args->bitmask)) != 0) |
683b57b4 TM |
2041 | goto out; |
2042 | /* set up reply | |
830b8e33 | 2043 | * toplevel_status + OP_PUTFH + status |
683b57b4 TM |
2044 | * + OP_LOOKUP + status + OP_GETATTR + status = 7 |
2045 | */ | |
2046 | replen = (RPC_REPHDRSIZE + auth->au_rslack + 7) << 2; | |
2047 | xdr_inline_pages(&req->rq_rcv_buf, replen, &args->page, | |
2048 | 0, PAGE_SIZE); | |
2049 | out: | |
2050 | return status; | |
2051 | } | |
2052 | ||
1da177e4 LT |
2053 | /* |
2054 | * START OF "GENERIC" DECODE ROUTINES. | |
2055 | * These may look a little ugly since they are imported from a "generic" | |
2056 | * set of XDR encode/decode routines which are intended to be shared by | |
2057 | * all of our NFSv4 implementations (OpenBSD, MacOS X...). | |
2058 | * | |
2059 | * If the pain of reading these is too great, it should be a straightforward | |
2060 | * task to translate them into Linux-specific versions which are more | |
2061 | * consistent with the style used in NFSv2/v3... | |
2062 | */ | |
2063 | #define READ32(x) (x) = ntohl(*p++) | |
2064 | #define READ64(x) do { \ | |
2065 | (x) = (u64)ntohl(*p++) << 32; \ | |
2066 | (x) |= ntohl(*p++); \ | |
2067 | } while (0) | |
2068 | #define READTIME(x) do { \ | |
2069 | p++; \ | |
2070 | (x.tv_sec) = ntohl(*p++); \ | |
2071 | (x.tv_nsec) = ntohl(*p++); \ | |
2072 | } while (0) | |
2073 | #define COPYMEM(x,nbytes) do { \ | |
2074 | memcpy((x), p, nbytes); \ | |
2075 | p += XDR_QUADLEN(nbytes); \ | |
2076 | } while (0) | |
2077 | ||
2078 | #define READ_BUF(nbytes) do { \ | |
2079 | p = xdr_inline_decode(xdr, nbytes); \ | |
2080 | if (!p) { \ | |
2081 | printk(KERN_WARNING "%s: reply buffer overflowed in line %d.", \ | |
2082 | __FUNCTION__, __LINE__); \ | |
2083 | return -EIO; \ | |
2084 | } \ | |
2085 | } while (0) | |
2086 | ||
683b57b4 | 2087 | static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char **string) |
1da177e4 LT |
2088 | { |
2089 | uint32_t *p; | |
2090 | ||
2091 | READ_BUF(4); | |
2092 | READ32(*len); | |
2093 | READ_BUF(*len); | |
2094 | *string = (char *)p; | |
2095 | return 0; | |
2096 | } | |
2097 | ||
2098 | static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) | |
2099 | { | |
2100 | uint32_t *p; | |
2101 | ||
2102 | READ_BUF(8); | |
2103 | READ32(hdr->status); | |
2104 | READ32(hdr->taglen); | |
2105 | ||
2106 | READ_BUF(hdr->taglen + 4); | |
2107 | hdr->tag = (char *)p; | |
2108 | p += XDR_QUADLEN(hdr->taglen); | |
2109 | READ32(hdr->nops); | |
2110 | return 0; | |
2111 | } | |
2112 | ||
2113 | static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected) | |
2114 | { | |
2115 | uint32_t *p; | |
2116 | uint32_t opnum; | |
2117 | int32_t nfserr; | |
2118 | ||
2119 | READ_BUF(8); | |
2120 | READ32(opnum); | |
2121 | if (opnum != expected) { | |
2122 | printk(KERN_NOTICE | |
2123 | "nfs4_decode_op_hdr: Server returned operation" | |
2124 | " %d but we issued a request for %d\n", | |
2125 | opnum, expected); | |
2126 | return -EIO; | |
2127 | } | |
2128 | READ32(nfserr); | |
2129 | if (nfserr != NFS_OK) | |
0a8ea437 | 2130 | return -nfs4_stat_to_errno(nfserr); |
1da177e4 LT |
2131 | return 0; |
2132 | } | |
2133 | ||
2134 | /* Dummy routine */ | |
adfa6f98 | 2135 | static int decode_ace(struct xdr_stream *xdr, void *ace, struct nfs_client *clp) |
1da177e4 LT |
2136 | { |
2137 | uint32_t *p; | |
683b57b4 | 2138 | unsigned int strlen; |
1da177e4 LT |
2139 | char *str; |
2140 | ||
2141 | READ_BUF(12); | |
2142 | return decode_opaque_inline(xdr, &strlen, &str); | |
2143 | } | |
2144 | ||
2145 | static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) | |
2146 | { | |
2147 | uint32_t bmlen, *p; | |
2148 | ||
2149 | READ_BUF(4); | |
2150 | READ32(bmlen); | |
2151 | ||
2152 | bitmap[0] = bitmap[1] = 0; | |
2153 | READ_BUF((bmlen << 2)); | |
2154 | if (bmlen > 0) { | |
2155 | READ32(bitmap[0]); | |
2156 | if (bmlen > 1) | |
2157 | READ32(bitmap[1]); | |
2158 | } | |
2159 | return 0; | |
2160 | } | |
2161 | ||
2162 | static inline int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, uint32_t **savep) | |
2163 | { | |
2164 | uint32_t *p; | |
2165 | ||
2166 | READ_BUF(4); | |
2167 | READ32(*attrlen); | |
2168 | *savep = xdr->p; | |
2169 | return 0; | |
2170 | } | |
2171 | ||
2172 | static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask) | |
2173 | { | |
2174 | if (likely(bitmap[0] & FATTR4_WORD0_SUPPORTED_ATTRS)) { | |
2175 | decode_attr_bitmap(xdr, bitmask); | |
2176 | bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS; | |
2177 | } else | |
2178 | bitmask[0] = bitmask[1] = 0; | |
2179 | dprintk("%s: bitmask=0x%x%x\n", __FUNCTION__, bitmask[0], bitmask[1]); | |
2180 | return 0; | |
2181 | } | |
2182 | ||
2183 | static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type) | |
2184 | { | |
2185 | uint32_t *p; | |
2186 | ||
2187 | *type = 0; | |
2188 | if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U))) | |
2189 | return -EIO; | |
2190 | if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) { | |
2191 | READ_BUF(4); | |
2192 | READ32(*type); | |
2193 | if (*type < NF4REG || *type > NF4NAMEDATTR) { | |
2194 | dprintk("%s: bad type %d\n", __FUNCTION__, *type); | |
2195 | return -EIO; | |
2196 | } | |
2197 | bitmap[0] &= ~FATTR4_WORD0_TYPE; | |
2198 | } | |
2199 | dprintk("%s: type=0%o\n", __FUNCTION__, nfs_type2fmt[*type].nfs2type); | |
2200 | return 0; | |
2201 | } | |
2202 | ||
2203 | static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change) | |
2204 | { | |
2205 | uint32_t *p; | |
2206 | ||
2207 | *change = 0; | |
2208 | if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U))) | |
2209 | return -EIO; | |
2210 | if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) { | |
2211 | READ_BUF(8); | |
2212 | READ64(*change); | |
2213 | bitmap[0] &= ~FATTR4_WORD0_CHANGE; | |
2214 | } | |
2215 | dprintk("%s: change attribute=%Lu\n", __FUNCTION__, | |
2216 | (unsigned long long)*change); | |
2217 | return 0; | |
2218 | } | |
2219 | ||
2220 | static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size) | |
2221 | { | |
2222 | uint32_t *p; | |
2223 | ||
2224 | *size = 0; | |
2225 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U))) | |
2226 | return -EIO; | |
2227 | if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) { | |
2228 | READ_BUF(8); | |
2229 | READ64(*size); | |
2230 | bitmap[0] &= ~FATTR4_WORD0_SIZE; | |
2231 | } | |
2232 | dprintk("%s: file size=%Lu\n", __FUNCTION__, (unsigned long long)*size); | |
2233 | return 0; | |
2234 | } | |
2235 | ||
2236 | static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
2237 | { | |
2238 | uint32_t *p; | |
2239 | ||
2240 | *res = 0; | |
2241 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U))) | |
2242 | return -EIO; | |
2243 | if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) { | |
2244 | READ_BUF(4); | |
2245 | READ32(*res); | |
2246 | bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT; | |
2247 | } | |
2248 | dprintk("%s: link support=%s\n", __FUNCTION__, *res == 0 ? "false" : "true"); | |
2249 | return 0; | |
2250 | } | |
2251 | ||
2252 | static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
2253 | { | |
2254 | uint32_t *p; | |
2255 | ||
2256 | *res = 0; | |
2257 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U))) | |
2258 | return -EIO; | |
2259 | if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) { | |
2260 | READ_BUF(4); | |
2261 | READ32(*res); | |
2262 | bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT; | |
2263 | } | |
2264 | dprintk("%s: symlink support=%s\n", __FUNCTION__, *res == 0 ? "false" : "true"); | |
2265 | return 0; | |
2266 | } | |
2267 | ||
8b4bdcf8 | 2268 | static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsid *fsid) |
1da177e4 LT |
2269 | { |
2270 | uint32_t *p; | |
2271 | ||
2272 | fsid->major = 0; | |
2273 | fsid->minor = 0; | |
2274 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FSID - 1U))) | |
2275 | return -EIO; | |
2276 | if (likely(bitmap[0] & FATTR4_WORD0_FSID)) { | |
2277 | READ_BUF(16); | |
2278 | READ64(fsid->major); | |
2279 | READ64(fsid->minor); | |
2280 | bitmap[0] &= ~FATTR4_WORD0_FSID; | |
2281 | } | |
2282 | dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __FUNCTION__, | |
2283 | (unsigned long long)fsid->major, | |
2284 | (unsigned long long)fsid->minor); | |
2285 | return 0; | |
2286 | } | |
2287 | ||
2288 | static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
2289 | { | |
2290 | uint32_t *p; | |
2291 | ||
2292 | *res = 60; | |
2293 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U))) | |
2294 | return -EIO; | |
2295 | if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) { | |
2296 | READ_BUF(4); | |
2297 | READ32(*res); | |
2298 | bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME; | |
2299 | } | |
2300 | dprintk("%s: file size=%u\n", __FUNCTION__, (unsigned int)*res); | |
2301 | return 0; | |
2302 | } | |
2303 | ||
2304 | static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
2305 | { | |
2306 | uint32_t *p; | |
2307 | ||
2308 | *res = ACL4_SUPPORT_ALLOW_ACL|ACL4_SUPPORT_DENY_ACL; | |
2309 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U))) | |
2310 | return -EIO; | |
2311 | if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) { | |
2312 | READ_BUF(4); | |
2313 | READ32(*res); | |
2314 | bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT; | |
2315 | } | |
2316 | dprintk("%s: ACLs supported=%u\n", __FUNCTION__, (unsigned int)*res); | |
2317 | return 0; | |
2318 | } | |
2319 | ||
2320 | static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) | |
2321 | { | |
2322 | uint32_t *p; | |
2323 | ||
2324 | *fileid = 0; | |
2325 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U))) | |
2326 | return -EIO; | |
2327 | if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) { | |
2328 | READ_BUF(8); | |
2329 | READ64(*fileid); | |
2330 | bitmap[0] &= ~FATTR4_WORD0_FILEID; | |
2331 | } | |
2332 | dprintk("%s: fileid=%Lu\n", __FUNCTION__, (unsigned long long)*fileid); | |
2333 | return 0; | |
2334 | } | |
2335 | ||
99baf625 MN |
2336 | static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) |
2337 | { | |
2338 | uint32_t *p; | |
2339 | ||
2340 | *fileid = 0; | |
2341 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID - 1U))) | |
2342 | return -EIO; | |
2343 | if (likely(bitmap[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) { | |
2344 | READ_BUF(8); | |
2345 | READ64(*fileid); | |
2346 | bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; | |
2347 | } | |
2348 | dprintk("%s: fileid=%Lu\n", __FUNCTION__, (unsigned long long)*fileid); | |
2349 | return 0; | |
2350 | } | |
2351 | ||
1da177e4 LT |
2352 | static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
2353 | { | |
2354 | uint32_t *p; | |
2355 | int status = 0; | |
2356 | ||
2357 | *res = 0; | |
2358 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_AVAIL - 1U))) | |
2359 | return -EIO; | |
2360 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) { | |
2361 | READ_BUF(8); | |
2362 | READ64(*res); | |
2363 | bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL; | |
2364 | } | |
2365 | dprintk("%s: files avail=%Lu\n", __FUNCTION__, (unsigned long long)*res); | |
2366 | return status; | |
2367 | } | |
2368 | ||
2369 | static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
2370 | { | |
2371 | uint32_t *p; | |
2372 | int status = 0; | |
2373 | ||
2374 | *res = 0; | |
2375 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_FREE - 1U))) | |
2376 | return -EIO; | |
2377 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) { | |
2378 | READ_BUF(8); | |
2379 | READ64(*res); | |
2380 | bitmap[0] &= ~FATTR4_WORD0_FILES_FREE; | |
2381 | } | |
2382 | dprintk("%s: files free=%Lu\n", __FUNCTION__, (unsigned long long)*res); | |
2383 | return status; | |
2384 | } | |
2385 | ||
2386 | static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
2387 | { | |
2388 | uint32_t *p; | |
2389 | int status = 0; | |
2390 | ||
2391 | *res = 0; | |
2392 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_TOTAL - 1U))) | |
2393 | return -EIO; | |
2394 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) { | |
2395 | READ_BUF(8); | |
2396 | READ64(*res); | |
2397 | bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL; | |
2398 | } | |
2399 | dprintk("%s: files total=%Lu\n", __FUNCTION__, (unsigned long long)*res); | |
2400 | return status; | |
2401 | } | |
2402 | ||
7aaa0b3b MN |
2403 | static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) |
2404 | { | |
2405 | int n; | |
2406 | uint32_t *p; | |
2407 | int status = 0; | |
2408 | ||
2409 | READ_BUF(4); | |
2410 | READ32(n); | |
33a43f28 | 2411 | if (n < 0) |
7aaa0b3b | 2412 | goto out_eio; |
33a43f28 AA |
2413 | if (n == 0) |
2414 | goto root_path; | |
7aaa0b3b MN |
2415 | dprintk("path "); |
2416 | path->ncomponents = 0; | |
2417 | while (path->ncomponents < n) { | |
2418 | struct nfs4_string *component = &path->components[path->ncomponents]; | |
2419 | status = decode_opaque_inline(xdr, &component->len, &component->data); | |
2420 | if (unlikely(status != 0)) | |
2421 | goto out_eio; | |
2422 | if (path->ncomponents != n) | |
2423 | dprintk("/"); | |
2424 | dprintk("%s", component->data); | |
2425 | if (path->ncomponents < NFS4_PATHNAME_MAXCOMPONENTS) | |
2426 | path->ncomponents++; | |
2427 | else { | |
2428 | dprintk("cannot parse %d components in path\n", n); | |
2429 | goto out_eio; | |
2430 | } | |
2431 | } | |
2432 | out: | |
2433 | dprintk("\n"); | |
2434 | return status; | |
33a43f28 AA |
2435 | root_path: |
2436 | /* a root pathname is sent as a zero component4 */ | |
2437 | path->ncomponents = 1; | |
2438 | path->components[0].len=0; | |
2439 | path->components[0].data=NULL; | |
2440 | dprintk("path /\n"); | |
2441 | goto out; | |
7aaa0b3b MN |
2442 | out_eio: |
2443 | dprintk(" status %d", status); | |
2444 | status = -EIO; | |
2445 | goto out; | |
2446 | } | |
2447 | ||
2448 | static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fs_locations *res) | |
683b57b4 TM |
2449 | { |
2450 | int n; | |
2451 | uint32_t *p; | |
2452 | int status = -EIO; | |
2453 | ||
2454 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FS_LOCATIONS -1U))) | |
2455 | goto out; | |
2456 | status = 0; | |
2457 | if (unlikely(!(bitmap[0] & FATTR4_WORD0_FS_LOCATIONS))) | |
2458 | goto out; | |
7aaa0b3b MN |
2459 | dprintk("%s: fsroot ", __FUNCTION__); |
2460 | status = decode_pathname(xdr, &res->fs_path); | |
683b57b4 TM |
2461 | if (unlikely(status != 0)) |
2462 | goto out; | |
2463 | READ_BUF(4); | |
2464 | READ32(n); | |
2465 | if (n <= 0) | |
2466 | goto out_eio; | |
2467 | res->nlocations = 0; | |
2468 | while (res->nlocations < n) { | |
7aaa0b3b MN |
2469 | int m; |
2470 | struct nfs4_fs_location *loc = &res->locations[res->nlocations]; | |
683b57b4 | 2471 | |
7aaa0b3b MN |
2472 | READ_BUF(4); |
2473 | READ32(m); | |
2474 | if (m <= 0) | |
683b57b4 | 2475 | goto out_eio; |
7aaa0b3b MN |
2476 | |
2477 | loc->nservers = 0; | |
2478 | dprintk("%s: servers ", __FUNCTION__); | |
2479 | while (loc->nservers < m) { | |
2480 | struct nfs4_string *server = &loc->servers[loc->nservers]; | |
2481 | status = decode_opaque_inline(xdr, &server->len, &server->data); | |
2482 | if (unlikely(status != 0)) | |
2483 | goto out_eio; | |
2484 | dprintk("%s ", server->data); | |
2485 | if (loc->nservers < NFS4_FS_LOCATION_MAXSERVERS) | |
2486 | loc->nservers++; | |
2487 | else { | |
2488 | int i; | |
2489 | dprintk("%s: using first %d of %d servers returned for location %d\n", __FUNCTION__, NFS4_FS_LOCATION_MAXSERVERS, m, res->nlocations); | |
2490 | for (i = loc->nservers; i < m; i++) { | |
2491 | int len; | |
2492 | char *data; | |
2493 | status = decode_opaque_inline(xdr, &len, &data); | |
2494 | if (unlikely(status != 0)) | |
2495 | goto out_eio; | |
2496 | } | |
2497 | } | |
2498 | } | |
2499 | status = decode_pathname(xdr, &loc->rootpath); | |
683b57b4 TM |
2500 | if (unlikely(status != 0)) |
2501 | goto out_eio; | |
7aaa0b3b | 2502 | if (res->nlocations < NFS4_FS_LOCATIONS_MAXENTRIES) |
683b57b4 TM |
2503 | res->nlocations++; |
2504 | } | |
2505 | out: | |
2506 | dprintk("%s: fs_locations done, error = %d\n", __FUNCTION__, status); | |
2507 | return status; | |
2508 | out_eio: | |
2509 | status = -EIO; | |
2510 | goto out; | |
2511 | } | |
2512 | ||
1da177e4 LT |
2513 | static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
2514 | { | |
2515 | uint32_t *p; | |
2516 | int status = 0; | |
2517 | ||
2518 | *res = 0; | |
2519 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXFILESIZE - 1U))) | |
2520 | return -EIO; | |
2521 | if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) { | |
2522 | READ_BUF(8); | |
2523 | READ64(*res); | |
2524 | bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE; | |
2525 | } | |
2526 | dprintk("%s: maxfilesize=%Lu\n", __FUNCTION__, (unsigned long long)*res); | |
2527 | return status; | |
2528 | } | |
2529 | ||
2530 | static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink) | |
2531 | { | |
2532 | uint32_t *p; | |
2533 | int status = 0; | |
2534 | ||
2535 | *maxlink = 1; | |
2536 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXLINK - 1U))) | |
2537 | return -EIO; | |
2538 | if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) { | |
2539 | READ_BUF(4); | |
2540 | READ32(*maxlink); | |
2541 | bitmap[0] &= ~FATTR4_WORD0_MAXLINK; | |
2542 | } | |
2543 | dprintk("%s: maxlink=%u\n", __FUNCTION__, *maxlink); | |
2544 | return status; | |
2545 | } | |
2546 | ||
2547 | static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname) | |
2548 | { | |
2549 | uint32_t *p; | |
2550 | int status = 0; | |
2551 | ||
2552 | *maxname = 1024; | |
2553 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXNAME - 1U))) | |
2554 | return -EIO; | |
2555 | if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) { | |
2556 | READ_BUF(4); | |
2557 | READ32(*maxname); | |
2558 | bitmap[0] &= ~FATTR4_WORD0_MAXNAME; | |
2559 | } | |
2560 | dprintk("%s: maxname=%u\n", __FUNCTION__, *maxname); | |
2561 | return status; | |
2562 | } | |
2563 | ||
2564 | static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
2565 | { | |
2566 | uint32_t *p; | |
2567 | int status = 0; | |
2568 | ||
2569 | *res = 1024; | |
2570 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXREAD - 1U))) | |
2571 | return -EIO; | |
2572 | if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) { | |
2573 | uint64_t maxread; | |
2574 | READ_BUF(8); | |
2575 | READ64(maxread); | |
2576 | if (maxread > 0x7FFFFFFF) | |
2577 | maxread = 0x7FFFFFFF; | |
2578 | *res = (uint32_t)maxread; | |
2579 | bitmap[0] &= ~FATTR4_WORD0_MAXREAD; | |
2580 | } | |
2581 | dprintk("%s: maxread=%lu\n", __FUNCTION__, (unsigned long)*res); | |
2582 | return status; | |
2583 | } | |
2584 | ||
2585 | static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
2586 | { | |
2587 | uint32_t *p; | |
2588 | int status = 0; | |
2589 | ||
2590 | *res = 1024; | |
2591 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXWRITE - 1U))) | |
2592 | return -EIO; | |
2593 | if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) { | |
2594 | uint64_t maxwrite; | |
2595 | READ_BUF(8); | |
2596 | READ64(maxwrite); | |
2597 | if (maxwrite > 0x7FFFFFFF) | |
2598 | maxwrite = 0x7FFFFFFF; | |
2599 | *res = (uint32_t)maxwrite; | |
2600 | bitmap[0] &= ~FATTR4_WORD0_MAXWRITE; | |
2601 | } | |
2602 | dprintk("%s: maxwrite=%lu\n", __FUNCTION__, (unsigned long)*res); | |
2603 | return status; | |
2604 | } | |
2605 | ||
2606 | static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *mode) | |
2607 | { | |
2608 | uint32_t *p; | |
2609 | ||
2610 | *mode = 0; | |
2611 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U))) | |
2612 | return -EIO; | |
2613 | if (likely(bitmap[1] & FATTR4_WORD1_MODE)) { | |
2614 | READ_BUF(4); | |
2615 | READ32(*mode); | |
2616 | *mode &= ~S_IFMT; | |
2617 | bitmap[1] &= ~FATTR4_WORD1_MODE; | |
2618 | } | |
2619 | dprintk("%s: file mode=0%o\n", __FUNCTION__, (unsigned int)*mode); | |
2620 | return 0; | |
2621 | } | |
2622 | ||
2623 | static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink) | |
2624 | { | |
2625 | uint32_t *p; | |
2626 | ||
2627 | *nlink = 1; | |
2628 | if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U))) | |
2629 | return -EIO; | |
2630 | if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) { | |
2631 | READ_BUF(4); | |
2632 | READ32(*nlink); | |
2633 | bitmap[1] &= ~FATTR4_WORD1_NUMLINKS; | |
2634 | } | |
2635 | dprintk("%s: nlink=%u\n", __FUNCTION__, (unsigned int)*nlink); | |
2636 | return 0; | |
2637 | } | |
2638 | ||
adfa6f98 | 2639 | static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_client *clp, int32_t *uid) |
1da177e4 LT |
2640 | { |
2641 | uint32_t len, *p; | |
2642 | ||
2643 | *uid = -2; | |
2644 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U))) | |
2645 | return -EIO; | |
2646 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER)) { | |
2647 | READ_BUF(4); | |
2648 | READ32(len); | |
2649 | READ_BUF(len); | |
2650 | if (len < XDR_MAX_NETOBJ) { | |
2651 | if (nfs_map_name_to_uid(clp, (char *)p, len, uid) != 0) | |
2652 | dprintk("%s: nfs_map_name_to_uid failed!\n", | |
2653 | __FUNCTION__); | |
2654 | } else | |
2655 | printk(KERN_WARNING "%s: name too long (%u)!\n", | |
2656 | __FUNCTION__, len); | |
2657 | bitmap[1] &= ~FATTR4_WORD1_OWNER; | |
2658 | } | |
2659 | dprintk("%s: uid=%d\n", __FUNCTION__, (int)*uid); | |
2660 | return 0; | |
2661 | } | |
2662 | ||
adfa6f98 | 2663 | static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_client *clp, int32_t *gid) |
1da177e4 LT |
2664 | { |
2665 | uint32_t len, *p; | |
2666 | ||
2667 | *gid = -2; | |
2668 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U))) | |
2669 | return -EIO; | |
2670 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) { | |
2671 | READ_BUF(4); | |
2672 | READ32(len); | |
2673 | READ_BUF(len); | |
2674 | if (len < XDR_MAX_NETOBJ) { | |
2675 | if (nfs_map_group_to_gid(clp, (char *)p, len, gid) != 0) | |
2676 | dprintk("%s: nfs_map_group_to_gid failed!\n", | |
2677 | __FUNCTION__); | |
2678 | } else | |
2679 | printk(KERN_WARNING "%s: name too long (%u)!\n", | |
2680 | __FUNCTION__, len); | |
2681 | bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP; | |
2682 | } | |
2683 | dprintk("%s: gid=%d\n", __FUNCTION__, (int)*gid); | |
2684 | return 0; | |
2685 | } | |
2686 | ||
2687 | static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev) | |
2688 | { | |
2689 | uint32_t major = 0, minor = 0, *p; | |
2690 | ||
2691 | *rdev = MKDEV(0,0); | |
2692 | if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U))) | |
2693 | return -EIO; | |
2694 | if (likely(bitmap[1] & FATTR4_WORD1_RAWDEV)) { | |
2695 | dev_t tmp; | |
2696 | ||
2697 | READ_BUF(8); | |
2698 | READ32(major); | |
2699 | READ32(minor); | |
2700 | tmp = MKDEV(major, minor); | |
2701 | if (MAJOR(tmp) == major && MINOR(tmp) == minor) | |
2702 | *rdev = tmp; | |
2703 | bitmap[1] &= ~ FATTR4_WORD1_RAWDEV; | |
2704 | } | |
2705 | dprintk("%s: rdev=(0x%x:0x%x)\n", __FUNCTION__, major, minor); | |
2706 | return 0; | |
2707 | } | |
2708 | ||
2709 | static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
2710 | { | |
2711 | uint32_t *p; | |
2712 | int status = 0; | |
2713 | ||
2714 | *res = 0; | |
2715 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_AVAIL - 1U))) | |
2716 | return -EIO; | |
2717 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) { | |
2718 | READ_BUF(8); | |
2719 | READ64(*res); | |
2720 | bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL; | |
2721 | } | |
2722 | dprintk("%s: space avail=%Lu\n", __FUNCTION__, (unsigned long long)*res); | |
2723 | return status; | |
2724 | } | |
2725 | ||
2726 | static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
2727 | { | |
2728 | uint32_t *p; | |
2729 | int status = 0; | |
2730 | ||
2731 | *res = 0; | |
2732 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_FREE - 1U))) | |
2733 | return -EIO; | |
2734 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) { | |
2735 | READ_BUF(8); | |
2736 | READ64(*res); | |
2737 | bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE; | |
2738 | } | |
2739 | dprintk("%s: space free=%Lu\n", __FUNCTION__, (unsigned long long)*res); | |
2740 | return status; | |
2741 | } | |
2742 | ||
2743 | static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
2744 | { | |
2745 | uint32_t *p; | |
2746 | int status = 0; | |
2747 | ||
2748 | *res = 0; | |
2749 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_TOTAL - 1U))) | |
2750 | return -EIO; | |
2751 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) { | |
2752 | READ_BUF(8); | |
2753 | READ64(*res); | |
2754 | bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL; | |
2755 | } | |
2756 | dprintk("%s: space total=%Lu\n", __FUNCTION__, (unsigned long long)*res); | |
2757 | return status; | |
2758 | } | |
2759 | ||
2760 | static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used) | |
2761 | { | |
2762 | uint32_t *p; | |
2763 | ||
2764 | *used = 0; | |
2765 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U))) | |
2766 | return -EIO; | |
2767 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) { | |
2768 | READ_BUF(8); | |
2769 | READ64(*used); | |
2770 | bitmap[1] &= ~FATTR4_WORD1_SPACE_USED; | |
2771 | } | |
2772 | dprintk("%s: space used=%Lu\n", __FUNCTION__, | |
2773 | (unsigned long long)*used); | |
2774 | return 0; | |
2775 | } | |
2776 | ||
2777 | static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time) | |
2778 | { | |
2779 | uint32_t *p; | |
2780 | uint64_t sec; | |
2781 | uint32_t nsec; | |
2782 | ||
2783 | READ_BUF(12); | |
2784 | READ64(sec); | |
2785 | READ32(nsec); | |
2786 | time->tv_sec = (time_t)sec; | |
2787 | time->tv_nsec = (long)nsec; | |
2788 | return 0; | |
2789 | } | |
2790 | ||
2791 | static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
2792 | { | |
2793 | int status = 0; | |
2794 | ||
2795 | time->tv_sec = 0; | |
2796 | time->tv_nsec = 0; | |
2797 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_ACCESS - 1U))) | |
2798 | return -EIO; | |
2799 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) { | |
2800 | status = decode_attr_time(xdr, time); | |
2801 | bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS; | |
2802 | } | |
2803 | dprintk("%s: atime=%ld\n", __FUNCTION__, (long)time->tv_sec); | |
2804 | return status; | |
2805 | } | |
2806 | ||
2807 | static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
2808 | { | |
2809 | int status = 0; | |
2810 | ||
2811 | time->tv_sec = 0; | |
2812 | time->tv_nsec = 0; | |
2813 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_METADATA - 1U))) | |
2814 | return -EIO; | |
2815 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) { | |
2816 | status = decode_attr_time(xdr, time); | |
2817 | bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA; | |
2818 | } | |
2819 | dprintk("%s: ctime=%ld\n", __FUNCTION__, (long)time->tv_sec); | |
2820 | return status; | |
2821 | } | |
2822 | ||
2823 | static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
2824 | { | |
2825 | int status = 0; | |
2826 | ||
2827 | time->tv_sec = 0; | |
2828 | time->tv_nsec = 0; | |
2829 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_MODIFY - 1U))) | |
2830 | return -EIO; | |
2831 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) { | |
2832 | status = decode_attr_time(xdr, time); | |
2833 | bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY; | |
2834 | } | |
2835 | dprintk("%s: mtime=%ld\n", __FUNCTION__, (long)time->tv_sec); | |
2836 | return status; | |
2837 | } | |
2838 | ||
2839 | static int verify_attr_len(struct xdr_stream *xdr, uint32_t *savep, uint32_t attrlen) | |
2840 | { | |
2841 | unsigned int attrwords = XDR_QUADLEN(attrlen); | |
2842 | unsigned int nwords = xdr->p - savep; | |
2843 | ||
2844 | if (unlikely(attrwords != nwords)) { | |
2845 | printk(KERN_WARNING "%s: server returned incorrect attribute length: %u %c %u\n", | |
2846 | __FUNCTION__, | |
2847 | attrwords << 2, | |
2848 | (attrwords < nwords) ? '<' : '>', | |
2849 | nwords << 2); | |
2850 | return -EIO; | |
2851 | } | |
2852 | return 0; | |
2853 | } | |
2854 | ||
2855 | static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
2856 | { | |
2857 | uint32_t *p; | |
2858 | ||
2859 | READ_BUF(20); | |
2860 | READ32(cinfo->atomic); | |
2861 | READ64(cinfo->before); | |
2862 | READ64(cinfo->after); | |
2863 | return 0; | |
2864 | } | |
2865 | ||
2866 | static int decode_access(struct xdr_stream *xdr, struct nfs4_accessres *access) | |
2867 | { | |
2868 | uint32_t *p; | |
2869 | uint32_t supp, acc; | |
2870 | int status; | |
2871 | ||
2872 | status = decode_op_hdr(xdr, OP_ACCESS); | |
2873 | if (status) | |
2874 | return status; | |
2875 | READ_BUF(8); | |
2876 | READ32(supp); | |
2877 | READ32(acc); | |
2878 | access->supported = supp; | |
2879 | access->access = acc; | |
2880 | return 0; | |
2881 | } | |
2882 | ||
2883 | static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res) | |
2884 | { | |
2885 | uint32_t *p; | |
2886 | int status; | |
2887 | ||
2888 | status = decode_op_hdr(xdr, OP_CLOSE); | |
2889 | if (status) | |
2890 | return status; | |
2891 | READ_BUF(sizeof(res->stateid.data)); | |
2892 | COPYMEM(res->stateid.data, sizeof(res->stateid.data)); | |
2893 | return 0; | |
2894 | } | |
2895 | ||
2896 | static int decode_commit(struct xdr_stream *xdr, struct nfs_writeres *res) | |
2897 | { | |
2898 | uint32_t *p; | |
2899 | int status; | |
2900 | ||
2901 | status = decode_op_hdr(xdr, OP_COMMIT); | |
2902 | if (status) | |
2903 | return status; | |
2904 | READ_BUF(8); | |
2905 | COPYMEM(res->verf->verifier, 8); | |
2906 | return 0; | |
2907 | } | |
2908 | ||
2909 | static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
2910 | { | |
2911 | uint32_t *p; | |
2912 | uint32_t bmlen; | |
2913 | int status; | |
2914 | ||
2915 | status = decode_op_hdr(xdr, OP_CREATE); | |
2916 | if (status) | |
2917 | return status; | |
2918 | if ((status = decode_change_info(xdr, cinfo))) | |
2919 | return status; | |
2920 | READ_BUF(4); | |
2921 | READ32(bmlen); | |
2922 | READ_BUF(bmlen << 2); | |
2923 | return 0; | |
2924 | } | |
2925 | ||
2926 | static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res) | |
2927 | { | |
2928 | uint32_t *savep; | |
2929 | uint32_t attrlen, | |
2930 | bitmap[2] = {0}; | |
2931 | int status; | |
2932 | ||
2933 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
2934 | goto xdr_error; | |
2935 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
2936 | goto xdr_error; | |
2937 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
2938 | goto xdr_error; | |
2939 | if ((status = decode_attr_supported(xdr, bitmap, res->attr_bitmask)) != 0) | |
2940 | goto xdr_error; | |
2941 | if ((status = decode_attr_link_support(xdr, bitmap, &res->has_links)) != 0) | |
2942 | goto xdr_error; | |
2943 | if ((status = decode_attr_symlink_support(xdr, bitmap, &res->has_symlinks)) != 0) | |
2944 | goto xdr_error; | |
2945 | if ((status = decode_attr_aclsupport(xdr, bitmap, &res->acl_bitmask)) != 0) | |
2946 | goto xdr_error; | |
2947 | status = verify_attr_len(xdr, savep, attrlen); | |
2948 | xdr_error: | |
16c32b71 | 2949 | dprintk("%s: xdr returned %d!\n", __FUNCTION__, -status); |
1da177e4 LT |
2950 | return status; |
2951 | } | |
2952 | ||
2953 | static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat) | |
2954 | { | |
2955 | uint32_t *savep; | |
2956 | uint32_t attrlen, | |
2957 | bitmap[2] = {0}; | |
2958 | int status; | |
2959 | ||
2960 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
2961 | goto xdr_error; | |
2962 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
2963 | goto xdr_error; | |
2964 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
2965 | goto xdr_error; | |
2966 | ||
2967 | if ((status = decode_attr_files_avail(xdr, bitmap, &fsstat->afiles)) != 0) | |
2968 | goto xdr_error; | |
2969 | if ((status = decode_attr_files_free(xdr, bitmap, &fsstat->ffiles)) != 0) | |
2970 | goto xdr_error; | |
2971 | if ((status = decode_attr_files_total(xdr, bitmap, &fsstat->tfiles)) != 0) | |
2972 | goto xdr_error; | |
2973 | if ((status = decode_attr_space_avail(xdr, bitmap, &fsstat->abytes)) != 0) | |
2974 | goto xdr_error; | |
2975 | if ((status = decode_attr_space_free(xdr, bitmap, &fsstat->fbytes)) != 0) | |
2976 | goto xdr_error; | |
2977 | if ((status = decode_attr_space_total(xdr, bitmap, &fsstat->tbytes)) != 0) | |
2978 | goto xdr_error; | |
2979 | ||
2980 | status = verify_attr_len(xdr, savep, attrlen); | |
2981 | xdr_error: | |
16c32b71 | 2982 | dprintk("%s: xdr returned %d!\n", __FUNCTION__, -status); |
1da177e4 LT |
2983 | return status; |
2984 | } | |
2985 | ||
2986 | static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf) | |
2987 | { | |
2988 | uint32_t *savep; | |
2989 | uint32_t attrlen, | |
2990 | bitmap[2] = {0}; | |
2991 | int status; | |
2992 | ||
2993 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
2994 | goto xdr_error; | |
2995 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
2996 | goto xdr_error; | |
2997 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
2998 | goto xdr_error; | |
2999 | ||
3000 | if ((status = decode_attr_maxlink(xdr, bitmap, &pathconf->max_link)) != 0) | |
3001 | goto xdr_error; | |
3002 | if ((status = decode_attr_maxname(xdr, bitmap, &pathconf->max_namelen)) != 0) | |
3003 | goto xdr_error; | |
3004 | ||
3005 | status = verify_attr_len(xdr, savep, attrlen); | |
3006 | xdr_error: | |
16c32b71 | 3007 | dprintk("%s: xdr returned %d!\n", __FUNCTION__, -status); |
1da177e4 LT |
3008 | return status; |
3009 | } | |
3010 | ||
3011 | static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, const struct nfs_server *server) | |
3012 | { | |
3013 | uint32_t *savep; | |
3014 | uint32_t attrlen, | |
3015 | bitmap[2] = {0}, | |
3016 | type; | |
3017 | int status, fmode = 0; | |
99baf625 | 3018 | uint64_t fileid; |
1da177e4 LT |
3019 | |
3020 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
3021 | goto xdr_error; | |
3022 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
3023 | goto xdr_error; | |
3024 | ||
3025 | fattr->bitmap[0] = bitmap[0]; | |
3026 | fattr->bitmap[1] = bitmap[1]; | |
3027 | ||
3028 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
3029 | goto xdr_error; | |
3030 | ||
3031 | ||
3032 | if ((status = decode_attr_type(xdr, bitmap, &type)) != 0) | |
3033 | goto xdr_error; | |
3034 | fattr->type = nfs_type2fmt[type].nfs2type; | |
3035 | fmode = nfs_type2fmt[type].mode; | |
3036 | ||
3037 | if ((status = decode_attr_change(xdr, bitmap, &fattr->change_attr)) != 0) | |
3038 | goto xdr_error; | |
3039 | if ((status = decode_attr_size(xdr, bitmap, &fattr->size)) != 0) | |
3040 | goto xdr_error; | |
8b4bdcf8 | 3041 | if ((status = decode_attr_fsid(xdr, bitmap, &fattr->fsid)) != 0) |
1da177e4 LT |
3042 | goto xdr_error; |
3043 | if ((status = decode_attr_fileid(xdr, bitmap, &fattr->fileid)) != 0) | |
3044 | goto xdr_error; | |
683b57b4 | 3045 | if ((status = decode_attr_fs_locations(xdr, bitmap, container_of(fattr, |
7aaa0b3b | 3046 | struct nfs4_fs_locations, |
683b57b4 TM |
3047 | fattr))) != 0) |
3048 | goto xdr_error; | |
1da177e4 LT |
3049 | if ((status = decode_attr_mode(xdr, bitmap, &fattr->mode)) != 0) |
3050 | goto xdr_error; | |
3051 | fattr->mode |= fmode; | |
3052 | if ((status = decode_attr_nlink(xdr, bitmap, &fattr->nlink)) != 0) | |
3053 | goto xdr_error; | |
7539bbab | 3054 | if ((status = decode_attr_owner(xdr, bitmap, server->nfs_client, &fattr->uid)) != 0) |
1da177e4 | 3055 | goto xdr_error; |
7539bbab | 3056 | if ((status = decode_attr_group(xdr, bitmap, server->nfs_client, &fattr->gid)) != 0) |
1da177e4 LT |
3057 | goto xdr_error; |
3058 | if ((status = decode_attr_rdev(xdr, bitmap, &fattr->rdev)) != 0) | |
3059 | goto xdr_error; | |
3060 | if ((status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used)) != 0) | |
3061 | goto xdr_error; | |
3062 | if ((status = decode_attr_time_access(xdr, bitmap, &fattr->atime)) != 0) | |
3063 | goto xdr_error; | |
3064 | if ((status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime)) != 0) | |
3065 | goto xdr_error; | |
3066 | if ((status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime)) != 0) | |
3067 | goto xdr_error; | |
99baf625 MN |
3068 | if ((status = decode_attr_mounted_on_fileid(xdr, bitmap, &fileid)) != 0) |
3069 | goto xdr_error; | |
3070 | if (fattr->fileid == 0 && fileid != 0) | |
3071 | fattr->fileid = fileid; | |
33801147 | 3072 | if ((status = verify_attr_len(xdr, savep, attrlen)) == 0) |
1da177e4 | 3073 | fattr->valid = NFS_ATTR_FATTR | NFS_ATTR_FATTR_V3 | NFS_ATTR_FATTR_V4; |
1da177e4 | 3074 | xdr_error: |
16c32b71 | 3075 | dprintk("%s: xdr returned %d\n", __FUNCTION__, -status); |
1da177e4 LT |
3076 | return status; |
3077 | } | |
3078 | ||
3079 | ||
3080 | static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo) | |
3081 | { | |
3082 | uint32_t *savep; | |
3083 | uint32_t attrlen, bitmap[2]; | |
3084 | int status; | |
3085 | ||
3086 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
3087 | goto xdr_error; | |
3088 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
3089 | goto xdr_error; | |
3090 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
3091 | goto xdr_error; | |
3092 | ||
3093 | fsinfo->rtmult = fsinfo->wtmult = 512; /* ??? */ | |
3094 | ||
3095 | if ((status = decode_attr_lease_time(xdr, bitmap, &fsinfo->lease_time)) != 0) | |
3096 | goto xdr_error; | |
3097 | if ((status = decode_attr_maxfilesize(xdr, bitmap, &fsinfo->maxfilesize)) != 0) | |
3098 | goto xdr_error; | |
3099 | if ((status = decode_attr_maxread(xdr, bitmap, &fsinfo->rtmax)) != 0) | |
3100 | goto xdr_error; | |
3101 | fsinfo->rtpref = fsinfo->dtpref = fsinfo->rtmax; | |
3102 | if ((status = decode_attr_maxwrite(xdr, bitmap, &fsinfo->wtmax)) != 0) | |
3103 | goto xdr_error; | |
3104 | fsinfo->wtpref = fsinfo->wtmax; | |
3105 | ||
3106 | status = verify_attr_len(xdr, savep, attrlen); | |
3107 | xdr_error: | |
16c32b71 | 3108 | dprintk("%s: xdr returned %d!\n", __FUNCTION__, -status); |
1da177e4 LT |
3109 | return status; |
3110 | } | |
3111 | ||
3112 | static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh) | |
3113 | { | |
3114 | uint32_t *p; | |
3115 | uint32_t len; | |
3116 | int status; | |
3117 | ||
3118 | status = decode_op_hdr(xdr, OP_GETFH); | |
3119 | if (status) | |
3120 | return status; | |
3121 | /* Zero handle first to allow comparisons */ | |
3122 | memset(fh, 0, sizeof(*fh)); | |
3123 | ||
3124 | READ_BUF(4); | |
3125 | READ32(len); | |
3126 | if (len > NFS4_FHSIZE) | |
3127 | return -EIO; | |
3128 | fh->size = len; | |
3129 | READ_BUF(len); | |
3130 | COPYMEM(fh->data, len); | |
3131 | return 0; | |
3132 | } | |
3133 | ||
3134 | static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
3135 | { | |
3136 | int status; | |
3137 | ||
3138 | status = decode_op_hdr(xdr, OP_LINK); | |
3139 | if (status) | |
3140 | return status; | |
3141 | return decode_change_info(xdr, cinfo); | |
3142 | } | |
3143 | ||
3144 | /* | |
3145 | * We create the owner, so we know a proper owner.id length is 4. | |
3146 | */ | |
911d1aaf | 3147 | static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl) |
1da177e4 | 3148 | { |
911d1aaf | 3149 | uint64_t offset, length, clientid; |
1da177e4 | 3150 | uint32_t *p; |
911d1aaf | 3151 | uint32_t namelen, type; |
1da177e4 LT |
3152 | |
3153 | READ_BUF(32); | |
911d1aaf TM |
3154 | READ64(offset); |
3155 | READ64(length); | |
3156 | READ32(type); | |
3157 | if (fl != NULL) { | |
3158 | fl->fl_start = (loff_t)offset; | |
3159 | fl->fl_end = fl->fl_start + (loff_t)length - 1; | |
3160 | if (length == ~(uint64_t)0) | |
3161 | fl->fl_end = OFFSET_MAX; | |
3162 | fl->fl_type = F_WRLCK; | |
3163 | if (type & 1) | |
3164 | fl->fl_type = F_RDLCK; | |
3165 | fl->fl_pid = 0; | |
3166 | } | |
3167 | READ64(clientid); | |
1da177e4 LT |
3168 | READ32(namelen); |
3169 | READ_BUF(namelen); | |
1da177e4 LT |
3170 | return -NFS4ERR_DENIED; |
3171 | } | |
3172 | ||
911d1aaf | 3173 | static int decode_lock(struct xdr_stream *xdr, struct nfs_lock_res *res) |
1da177e4 LT |
3174 | { |
3175 | uint32_t *p; | |
3176 | int status; | |
3177 | ||
3178 | status = decode_op_hdr(xdr, OP_LOCK); | |
3179 | if (status == 0) { | |
911d1aaf TM |
3180 | READ_BUF(sizeof(res->stateid.data)); |
3181 | COPYMEM(res->stateid.data, sizeof(res->stateid.data)); | |
1da177e4 | 3182 | } else if (status == -NFS4ERR_DENIED) |
911d1aaf | 3183 | return decode_lock_denied(xdr, NULL); |
1da177e4 LT |
3184 | return status; |
3185 | } | |
3186 | ||
911d1aaf | 3187 | static int decode_lockt(struct xdr_stream *xdr, struct nfs_lockt_res *res) |
1da177e4 LT |
3188 | { |
3189 | int status; | |
3190 | status = decode_op_hdr(xdr, OP_LOCKT); | |
3191 | if (status == -NFS4ERR_DENIED) | |
911d1aaf | 3192 | return decode_lock_denied(xdr, res->denied); |
1da177e4 LT |
3193 | return status; |
3194 | } | |
3195 | ||
911d1aaf | 3196 | static int decode_locku(struct xdr_stream *xdr, struct nfs_locku_res *res) |
1da177e4 LT |
3197 | { |
3198 | uint32_t *p; | |
3199 | int status; | |
3200 | ||
3201 | status = decode_op_hdr(xdr, OP_LOCKU); | |
3202 | if (status == 0) { | |
911d1aaf TM |
3203 | READ_BUF(sizeof(res->stateid.data)); |
3204 | COPYMEM(res->stateid.data, sizeof(res->stateid.data)); | |
1da177e4 LT |
3205 | } |
3206 | return status; | |
3207 | } | |
3208 | ||
3209 | static int decode_lookup(struct xdr_stream *xdr) | |
3210 | { | |
3211 | return decode_op_hdr(xdr, OP_LOOKUP); | |
3212 | } | |
3213 | ||
3214 | /* This is too sick! */ | |
3215 | static int decode_space_limit(struct xdr_stream *xdr, u64 *maxsize) | |
3216 | { | |
3217 | uint32_t *p; | |
3218 | uint32_t limit_type, nblocks, blocksize; | |
3219 | ||
3220 | READ_BUF(12); | |
3221 | READ32(limit_type); | |
3222 | switch (limit_type) { | |
3223 | case 1: | |
3224 | READ64(*maxsize); | |
3225 | break; | |
3226 | case 2: | |
3227 | READ32(nblocks); | |
3228 | READ32(blocksize); | |
3229 | *maxsize = (uint64_t)nblocks * (uint64_t)blocksize; | |
3230 | } | |
3231 | return 0; | |
3232 | } | |
3233 | ||
3234 | static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res) | |
3235 | { | |
3236 | uint32_t *p; | |
3237 | uint32_t delegation_type; | |
3238 | ||
3239 | READ_BUF(4); | |
3240 | READ32(delegation_type); | |
3241 | if (delegation_type == NFS4_OPEN_DELEGATE_NONE) { | |
3242 | res->delegation_type = 0; | |
3243 | return 0; | |
3244 | } | |
3245 | READ_BUF(20); | |
3246 | COPYMEM(res->delegation.data, sizeof(res->delegation.data)); | |
3247 | READ32(res->do_recall); | |
3248 | switch (delegation_type) { | |
3249 | case NFS4_OPEN_DELEGATE_READ: | |
3250 | res->delegation_type = FMODE_READ; | |
3251 | break; | |
3252 | case NFS4_OPEN_DELEGATE_WRITE: | |
3253 | res->delegation_type = FMODE_WRITE|FMODE_READ; | |
3254 | if (decode_space_limit(xdr, &res->maxsize) < 0) | |
3255 | return -EIO; | |
3256 | } | |
7539bbab | 3257 | return decode_ace(xdr, NULL, res->server->nfs_client); |
1da177e4 LT |
3258 | } |
3259 | ||
3260 | static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) | |
3261 | { | |
3262 | uint32_t *p; | |
3263 | uint32_t bmlen; | |
3264 | int status; | |
3265 | ||
3266 | status = decode_op_hdr(xdr, OP_OPEN); | |
3267 | if (status) | |
3268 | return status; | |
3269 | READ_BUF(sizeof(res->stateid.data)); | |
3270 | COPYMEM(res->stateid.data, sizeof(res->stateid.data)); | |
3271 | ||
3272 | decode_change_info(xdr, &res->cinfo); | |
3273 | ||
3274 | READ_BUF(8); | |
3275 | READ32(res->rflags); | |
3276 | READ32(bmlen); | |
3277 | if (bmlen > 10) | |
3278 | goto xdr_error; | |
3279 | ||
3280 | READ_BUF(bmlen << 2); | |
3281 | p += bmlen; | |
3282 | return decode_delegation(xdr, res); | |
3283 | xdr_error: | |
16c32b71 | 3284 | dprintk("%s: Bitmap too large! Length = %u\n", __FUNCTION__, bmlen); |
1da177e4 LT |
3285 | return -EIO; |
3286 | } | |
3287 | ||
3288 | static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res) | |
3289 | { | |
3290 | uint32_t *p; | |
3291 | int status; | |
3292 | ||
3293 | status = decode_op_hdr(xdr, OP_OPEN_CONFIRM); | |
3294 | if (status) | |
3295 | return status; | |
3296 | READ_BUF(sizeof(res->stateid.data)); | |
3297 | COPYMEM(res->stateid.data, sizeof(res->stateid.data)); | |
3298 | return 0; | |
3299 | } | |
3300 | ||
3301 | static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res) | |
3302 | { | |
3303 | uint32_t *p; | |
3304 | int status; | |
3305 | ||
3306 | status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE); | |
3307 | if (status) | |
3308 | return status; | |
3309 | READ_BUF(sizeof(res->stateid.data)); | |
3310 | COPYMEM(res->stateid.data, sizeof(res->stateid.data)); | |
3311 | return 0; | |
3312 | } | |
3313 | ||
3314 | static int decode_putfh(struct xdr_stream *xdr) | |
3315 | { | |
3316 | return decode_op_hdr(xdr, OP_PUTFH); | |
3317 | } | |
3318 | ||
3319 | static int decode_putrootfh(struct xdr_stream *xdr) | |
3320 | { | |
3321 | return decode_op_hdr(xdr, OP_PUTROOTFH); | |
3322 | } | |
3323 | ||
3324 | static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_readres *res) | |
3325 | { | |
3326 | struct kvec *iov = req->rq_rcv_buf.head; | |
3327 | uint32_t *p; | |
3328 | uint32_t count, eof, recvd, hdrlen; | |
3329 | int status; | |
3330 | ||
3331 | status = decode_op_hdr(xdr, OP_READ); | |
3332 | if (status) | |
3333 | return status; | |
3334 | READ_BUF(8); | |
3335 | READ32(eof); | |
3336 | READ32(count); | |
3337 | hdrlen = (u8 *) p - (u8 *) iov->iov_base; | |
3338 | recvd = req->rq_rcv_buf.len - hdrlen; | |
3339 | if (count > recvd) { | |
3340 | printk(KERN_WARNING "NFS: server cheating in read reply: " | |
3341 | "count %u > recvd %u\n", count, recvd); | |
3342 | count = recvd; | |
3343 | eof = 0; | |
3344 | } | |
3345 | xdr_read_pages(xdr, count); | |
3346 | res->eof = eof; | |
3347 | res->count = count; | |
3348 | return 0; | |
3349 | } | |
3350 | ||
3351 | static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir) | |
3352 | { | |
3353 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
3354 | struct page *page = *rcvbuf->pages; | |
3355 | struct kvec *iov = rcvbuf->head; | |
3356 | unsigned int nr, pglen = rcvbuf->page_len; | |
3357 | uint32_t *end, *entry, *p, *kaddr; | |
e8896495 | 3358 | uint32_t len, attrlen, xlen; |
1da177e4 LT |
3359 | int hdrlen, recvd, status; |
3360 | ||
3361 | status = decode_op_hdr(xdr, OP_READDIR); | |
3362 | if (status) | |
3363 | return status; | |
3364 | READ_BUF(8); | |
3365 | COPYMEM(readdir->verifier.data, 8); | |
eadf4598 TM |
3366 | dprintk("%s: verifier = 0x%x%x\n", |
3367 | __FUNCTION__, | |
3368 | ((u32 *)readdir->verifier.data)[0], | |
3369 | ((u32 *)readdir->verifier.data)[1]); | |
3370 | ||
1da177e4 LT |
3371 | |
3372 | hdrlen = (char *) p - (char *) iov->iov_base; | |
3373 | recvd = rcvbuf->len - hdrlen; | |
3374 | if (pglen > recvd) | |
3375 | pglen = recvd; | |
3376 | xdr_read_pages(xdr, pglen); | |
3377 | ||
3378 | BUG_ON(pglen + readdir->pgbase > PAGE_CACHE_SIZE); | |
3379 | kaddr = p = (uint32_t *) kmap_atomic(page, KM_USER0); | |
e8896495 | 3380 | end = p + ((pglen + readdir->pgbase) >> 2); |
1da177e4 LT |
3381 | entry = p; |
3382 | for (nr = 0; *p++; nr++) { | |
e8896495 | 3383 | if (end - p < 3) |
1da177e4 | 3384 | goto short_pkt; |
eadf4598 | 3385 | dprintk("cookie = %Lu, ", *((unsigned long long *)p)); |
1da177e4 LT |
3386 | p += 2; /* cookie */ |
3387 | len = ntohl(*p++); /* filename length */ | |
3388 | if (len > NFS4_MAXNAMLEN) { | |
3389 | printk(KERN_WARNING "NFS: giant filename in readdir (len 0x%x)\n", len); | |
3390 | goto err_unmap; | |
3391 | } | |
e8896495 DH |
3392 | xlen = XDR_QUADLEN(len); |
3393 | if (end - p < xlen + 1) | |
1da177e4 | 3394 | goto short_pkt; |
e8896495 DH |
3395 | dprintk("filename = %*s\n", len, (char *)p); |
3396 | p += xlen; | |
1da177e4 | 3397 | len = ntohl(*p++); /* bitmap length */ |
e8896495 | 3398 | if (end - p < len + 1) |
1da177e4 | 3399 | goto short_pkt; |
e8896495 | 3400 | p += len; |
1da177e4 | 3401 | attrlen = XDR_QUADLEN(ntohl(*p++)); |
e8896495 | 3402 | if (end - p < attrlen + 2) |
1da177e4 | 3403 | goto short_pkt; |
e8896495 | 3404 | p += attrlen; /* attributes */ |
1da177e4 LT |
3405 | entry = p; |
3406 | } | |
3407 | if (!nr && (entry[0] != 0 || entry[1] == 0)) | |
3408 | goto short_pkt; | |
3409 | out: | |
3410 | kunmap_atomic(kaddr, KM_USER0); | |
3411 | return 0; | |
3412 | short_pkt: | |
eadf4598 | 3413 | dprintk("%s: short packet at entry %d\n", __FUNCTION__, nr); |
1da177e4 LT |
3414 | entry[0] = entry[1] = 0; |
3415 | /* truncate listing ? */ | |
3416 | if (!nr) { | |
3417 | printk(KERN_NOTICE "NFS: readdir reply truncated!\n"); | |
3418 | entry[1] = 1; | |
3419 | } | |
3420 | goto out; | |
3421 | err_unmap: | |
3422 | kunmap_atomic(kaddr, KM_USER0); | |
3423 | return -errno_NFSERR_IO; | |
3424 | } | |
3425 | ||
3426 | static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req) | |
3427 | { | |
3428 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
3429 | struct kvec *iov = rcvbuf->head; | |
3430 | int hdrlen, len, recvd; | |
3431 | uint32_t *p; | |
3432 | char *kaddr; | |
3433 | int status; | |
3434 | ||
3435 | status = decode_op_hdr(xdr, OP_READLINK); | |
3436 | if (status) | |
3437 | return status; | |
3438 | ||
3439 | /* Convert length of symlink */ | |
3440 | READ_BUF(4); | |
3441 | READ32(len); | |
3442 | if (len >= rcvbuf->page_len || len <= 0) { | |
3443 | dprintk(KERN_WARNING "nfs: server returned giant symlink!\n"); | |
3444 | return -ENAMETOOLONG; | |
3445 | } | |
3446 | hdrlen = (char *) xdr->p - (char *) iov->iov_base; | |
3447 | recvd = req->rq_rcv_buf.len - hdrlen; | |
3448 | if (recvd < len) { | |
3449 | printk(KERN_WARNING "NFS: server cheating in readlink reply: " | |
3450 | "count %u > recvd %u\n", len, recvd); | |
3451 | return -EIO; | |
3452 | } | |
3453 | xdr_read_pages(xdr, len); | |
3454 | /* | |
3455 | * The XDR encode routine has set things up so that | |
3456 | * the link text will be copied directly into the | |
3457 | * buffer. We just have to do overflow-checking, | |
3458 | * and and null-terminate the text (the VFS expects | |
3459 | * null-termination). | |
3460 | */ | |
3461 | kaddr = (char *)kmap_atomic(rcvbuf->pages[0], KM_USER0); | |
3462 | kaddr[len+rcvbuf->page_base] = '\0'; | |
3463 | kunmap_atomic(kaddr, KM_USER0); | |
3464 | return 0; | |
3465 | } | |
3466 | ||
3467 | static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
3468 | { | |
3469 | int status; | |
3470 | ||
3471 | status = decode_op_hdr(xdr, OP_REMOVE); | |
3472 | if (status) | |
3473 | goto out; | |
3474 | status = decode_change_info(xdr, cinfo); | |
3475 | out: | |
3476 | return status; | |
3477 | } | |
3478 | ||
3479 | static int decode_rename(struct xdr_stream *xdr, struct nfs4_change_info *old_cinfo, | |
3480 | struct nfs4_change_info *new_cinfo) | |
3481 | { | |
3482 | int status; | |
3483 | ||
3484 | status = decode_op_hdr(xdr, OP_RENAME); | |
3485 | if (status) | |
3486 | goto out; | |
3487 | if ((status = decode_change_info(xdr, old_cinfo))) | |
3488 | goto out; | |
3489 | status = decode_change_info(xdr, new_cinfo); | |
3490 | out: | |
3491 | return status; | |
3492 | } | |
3493 | ||
3494 | static int decode_renew(struct xdr_stream *xdr) | |
3495 | { | |
3496 | return decode_op_hdr(xdr, OP_RENEW); | |
3497 | } | |
3498 | ||
56ae19f3 TM |
3499 | static int |
3500 | decode_restorefh(struct xdr_stream *xdr) | |
3501 | { | |
3502 | return decode_op_hdr(xdr, OP_RESTOREFH); | |
3503 | } | |
3504 | ||
029d105e BF |
3505 | static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req, |
3506 | size_t *acl_len) | |
3507 | { | |
3508 | uint32_t *savep; | |
3509 | uint32_t attrlen, | |
3510 | bitmap[2] = {0}; | |
3511 | struct kvec *iov = req->rq_rcv_buf.head; | |
3512 | int status; | |
3513 | ||
3514 | *acl_len = 0; | |
3515 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
3516 | goto out; | |
3517 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
3518 | goto out; | |
3519 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
3520 | goto out; | |
3521 | ||
3522 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACL - 1U))) | |
3523 | return -EIO; | |
3524 | if (likely(bitmap[0] & FATTR4_WORD0_ACL)) { | |
3525 | int hdrlen, recvd; | |
3526 | ||
3527 | /* We ignore &savep and don't do consistency checks on | |
3528 | * the attr length. Let userspace figure it out.... */ | |
3529 | hdrlen = (u8 *)xdr->p - (u8 *)iov->iov_base; | |
3530 | recvd = req->rq_rcv_buf.len - hdrlen; | |
3531 | if (attrlen > recvd) { | |
3532 | printk(KERN_WARNING "NFS: server cheating in getattr" | |
3533 | " acl reply: attrlen %u > recvd %u\n", | |
3534 | attrlen, recvd); | |
3535 | return -EINVAL; | |
3536 | } | |
c04871e6 | 3537 | xdr_read_pages(xdr, attrlen); |
029d105e | 3538 | *acl_len = attrlen; |
8c233cf9 BF |
3539 | } else |
3540 | status = -EOPNOTSUPP; | |
029d105e BF |
3541 | |
3542 | out: | |
3543 | return status; | |
3544 | } | |
3545 | ||
1da177e4 LT |
3546 | static int |
3547 | decode_savefh(struct xdr_stream *xdr) | |
3548 | { | |
3549 | return decode_op_hdr(xdr, OP_SAVEFH); | |
3550 | } | |
3551 | ||
3552 | static int decode_setattr(struct xdr_stream *xdr, struct nfs_setattrres *res) | |
3553 | { | |
3554 | uint32_t *p; | |
3555 | uint32_t bmlen; | |
3556 | int status; | |
3557 | ||
3558 | ||
3559 | status = decode_op_hdr(xdr, OP_SETATTR); | |
3560 | if (status) | |
3561 | return status; | |
3562 | READ_BUF(4); | |
3563 | READ32(bmlen); | |
3564 | READ_BUF(bmlen << 2); | |
3565 | return 0; | |
3566 | } | |
3567 | ||
adfa6f98 | 3568 | static int decode_setclientid(struct xdr_stream *xdr, struct nfs_client *clp) |
1da177e4 LT |
3569 | { |
3570 | uint32_t *p; | |
3571 | uint32_t opnum; | |
3572 | int32_t nfserr; | |
3573 | ||
3574 | READ_BUF(8); | |
3575 | READ32(opnum); | |
3576 | if (opnum != OP_SETCLIENTID) { | |
3577 | printk(KERN_NOTICE | |
3578 | "nfs4_decode_setclientid: Server returned operation" | |
3579 | " %d\n", opnum); | |
3580 | return -EIO; | |
3581 | } | |
3582 | READ32(nfserr); | |
3583 | if (nfserr == NFS_OK) { | |
3584 | READ_BUF(8 + sizeof(clp->cl_confirm.data)); | |
3585 | READ64(clp->cl_clientid); | |
3586 | COPYMEM(clp->cl_confirm.data, sizeof(clp->cl_confirm.data)); | |
3587 | } else if (nfserr == NFSERR_CLID_INUSE) { | |
3588 | uint32_t len; | |
3589 | ||
3590 | /* skip netid string */ | |
3591 | READ_BUF(4); | |
3592 | READ32(len); | |
3593 | READ_BUF(len); | |
3594 | ||
3595 | /* skip uaddr string */ | |
3596 | READ_BUF(4); | |
3597 | READ32(len); | |
3598 | READ_BUF(len); | |
3599 | return -NFSERR_CLID_INUSE; | |
3600 | } else | |
0a8ea437 | 3601 | return -nfs4_stat_to_errno(nfserr); |
1da177e4 LT |
3602 | |
3603 | return 0; | |
3604 | } | |
3605 | ||
3606 | static int decode_setclientid_confirm(struct xdr_stream *xdr) | |
3607 | { | |
3608 | return decode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM); | |
3609 | } | |
3610 | ||
3611 | static int decode_write(struct xdr_stream *xdr, struct nfs_writeres *res) | |
3612 | { | |
3613 | uint32_t *p; | |
3614 | int status; | |
3615 | ||
3616 | status = decode_op_hdr(xdr, OP_WRITE); | |
3617 | if (status) | |
3618 | return status; | |
3619 | ||
3620 | READ_BUF(16); | |
3621 | READ32(res->count); | |
3622 | READ32(res->verf->committed); | |
3623 | COPYMEM(res->verf->verifier, 8); | |
3624 | return 0; | |
3625 | } | |
3626 | ||
3627 | static int decode_delegreturn(struct xdr_stream *xdr) | |
3628 | { | |
3629 | return decode_op_hdr(xdr, OP_DELEGRETURN); | |
3630 | } | |
3631 | ||
3632 | /* | |
3633 | * Decode OPEN_DOWNGRADE response | |
3634 | */ | |
3635 | static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_closeres *res) | |
3636 | { | |
3637 | struct xdr_stream xdr; | |
3638 | struct compound_hdr hdr; | |
3639 | int status; | |
3640 | ||
3641 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
3642 | status = decode_compound_hdr(&xdr, &hdr); | |
3643 | if (status) | |
3644 | goto out; | |
3645 | status = decode_putfh(&xdr); | |
3646 | if (status) | |
3647 | goto out; | |
3648 | status = decode_open_downgrade(&xdr, res); | |
516a6af6 TM |
3649 | if (status != 0) |
3650 | goto out; | |
3651 | decode_getfattr(&xdr, res->fattr, res->server); | |
1da177e4 LT |
3652 | out: |
3653 | return status; | |
3654 | } | |
3655 | ||
3656 | /* | |
3657 | * END OF "GENERIC" DECODE ROUTINES. | |
3658 | */ | |
3659 | ||
3660 | /* | |
3661 | * Decode ACCESS response | |
3662 | */ | |
3663 | static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_accessres *res) | |
3664 | { | |
3665 | struct xdr_stream xdr; | |
3666 | struct compound_hdr hdr; | |
3667 | int status; | |
3668 | ||
3669 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
3670 | if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) | |
3671 | goto out; | |
3672 | if ((status = decode_putfh(&xdr)) == 0) | |
3673 | status = decode_access(&xdr, res); | |
3674 | out: | |
3675 | return status; | |
3676 | } | |
3677 | ||
3678 | /* | |
3679 | * Decode LOOKUP response | |
3680 | */ | |
3681 | static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_lookup_res *res) | |
3682 | { | |
3683 | struct xdr_stream xdr; | |
3684 | struct compound_hdr hdr; | |
3685 | int status; | |
3686 | ||
3687 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
3688 | if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) | |
3689 | goto out; | |
3690 | if ((status = decode_putfh(&xdr)) != 0) | |
3691 | goto out; | |
3692 | if ((status = decode_lookup(&xdr)) != 0) | |
3693 | goto out; | |
3694 | if ((status = decode_getfh(&xdr, res->fh)) != 0) | |
3695 | goto out; | |
3696 | status = decode_getfattr(&xdr, res->fattr, res->server); | |
3697 | out: | |
3698 | return status; | |
3699 | } | |
3700 | ||
3701 | /* | |
3702 | * Decode LOOKUP_ROOT response | |
3703 | */ | |
3704 | static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_lookup_res *res) | |
3705 | { | |
3706 | struct xdr_stream xdr; | |
3707 | struct compound_hdr hdr; | |
3708 | int status; | |
3709 | ||
3710 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
3711 | if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) | |
3712 | goto out; | |
3713 | if ((status = decode_putrootfh(&xdr)) != 0) | |
3714 | goto out; | |
3715 | if ((status = decode_getfh(&xdr, res->fh)) == 0) | |
3716 | status = decode_getfattr(&xdr, res->fattr, res->server); | |
3717 | out: | |
3718 | return status; | |
3719 | } | |
3720 | ||
3721 | /* | |
3722 | * Decode REMOVE response | |
3723 | */ | |
16e42959 | 3724 | static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_remove_res *res) |
1da177e4 LT |
3725 | { |
3726 | struct xdr_stream xdr; | |
3727 | struct compound_hdr hdr; | |
3728 | int status; | |
3729 | ||
3730 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
3731 | if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) | |
3732 | goto out; | |
16e42959 TM |
3733 | if ((status = decode_putfh(&xdr)) != 0) |
3734 | goto out; | |
3735 | if ((status = decode_remove(&xdr, &res->cinfo)) != 0) | |
3736 | goto out; | |
3737 | decode_getfattr(&xdr, res->dir_attr, res->server); | |
1da177e4 LT |
3738 | out: |
3739 | return status; | |
3740 | } | |
3741 | ||
3742 | /* | |
3743 | * Decode RENAME response | |
3744 | */ | |
3745 | static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_rename_res *res) | |
3746 | { | |
3747 | struct xdr_stream xdr; | |
3748 | struct compound_hdr hdr; | |
3749 | int status; | |
3750 | ||
3751 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
3752 | if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) | |
3753 | goto out; | |
3754 | if ((status = decode_putfh(&xdr)) != 0) | |
3755 | goto out; | |
3756 | if ((status = decode_savefh(&xdr)) != 0) | |
3757 | goto out; | |
3758 | if ((status = decode_putfh(&xdr)) != 0) | |
3759 | goto out; | |
6caf2c82 TM |
3760 | if ((status = decode_rename(&xdr, &res->old_cinfo, &res->new_cinfo)) != 0) |
3761 | goto out; | |
3762 | /* Current FH is target directory */ | |
3763 | if (decode_getfattr(&xdr, res->new_fattr, res->server) != 0) | |
3764 | goto out; | |
3765 | if ((status = decode_restorefh(&xdr)) != 0) | |
3766 | goto out; | |
3767 | decode_getfattr(&xdr, res->old_fattr, res->server); | |
1da177e4 LT |
3768 | out: |
3769 | return status; | |
3770 | } | |
3771 | ||
3772 | /* | |
3773 | * Decode LINK response | |
3774 | */ | |
91ba2eee | 3775 | static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_link_res *res) |
1da177e4 LT |
3776 | { |
3777 | struct xdr_stream xdr; | |
3778 | struct compound_hdr hdr; | |
3779 | int status; | |
3780 | ||
3781 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
3782 | if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) | |
3783 | goto out; | |
3784 | if ((status = decode_putfh(&xdr)) != 0) | |
3785 | goto out; | |
3786 | if ((status = decode_savefh(&xdr)) != 0) | |
3787 | goto out; | |
3788 | if ((status = decode_putfh(&xdr)) != 0) | |
3789 | goto out; | |
91ba2eee TM |
3790 | if ((status = decode_link(&xdr, &res->cinfo)) != 0) |
3791 | goto out; | |
3792 | /* | |
3793 | * Note order: OP_LINK leaves the directory as the current | |
3794 | * filehandle. | |
3795 | */ | |
3796 | if (decode_getfattr(&xdr, res->dir_attr, res->server) != 0) | |
3797 | goto out; | |
3798 | if ((status = decode_restorefh(&xdr)) != 0) | |
3799 | goto out; | |
3800 | decode_getfattr(&xdr, res->fattr, res->server); | |
1da177e4 LT |
3801 | out: |
3802 | return status; | |
3803 | } | |
3804 | ||
3805 | /* | |
3806 | * Decode CREATE response | |
3807 | */ | |
3808 | static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_create_res *res) | |
3809 | { | |
3810 | struct xdr_stream xdr; | |
3811 | struct compound_hdr hdr; | |
3812 | int status; | |
3813 | ||
3814 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
3815 | if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) | |
3816 | goto out; | |
3817 | if ((status = decode_putfh(&xdr)) != 0) | |
3818 | goto out; | |
56ae19f3 TM |
3819 | if ((status = decode_savefh(&xdr)) != 0) |
3820 | goto out; | |
1da177e4 LT |
3821 | if ((status = decode_create(&xdr,&res->dir_cinfo)) != 0) |
3822 | goto out; | |
3823 | if ((status = decode_getfh(&xdr, res->fh)) != 0) | |
3824 | goto out; | |
56ae19f3 TM |
3825 | if (decode_getfattr(&xdr, res->fattr, res->server) != 0) |
3826 | goto out; | |
3827 | if ((status = decode_restorefh(&xdr)) != 0) | |
3828 | goto out; | |
3829 | decode_getfattr(&xdr, res->dir_fattr, res->server); | |
1da177e4 LT |
3830 | out: |
3831 | return status; | |
3832 | } | |
3833 | ||
3834 | /* | |
3835 | * Decode SYMLINK response | |
3836 | */ | |
3837 | static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_create_res *res) | |
3838 | { | |
3839 | return nfs4_xdr_dec_create(rqstp, p, res); | |
3840 | } | |
3841 | ||
3842 | /* | |
3843 | * Decode GETATTR response | |
3844 | */ | |
3845 | static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_getattr_res *res) | |
3846 | { | |
3847 | struct xdr_stream xdr; | |
3848 | struct compound_hdr hdr; | |
3849 | int status; | |
3850 | ||
3851 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
3852 | status = decode_compound_hdr(&xdr, &hdr); | |
3853 | if (status) | |
3854 | goto out; | |
3855 | status = decode_putfh(&xdr); | |
3856 | if (status) | |
3857 | goto out; | |
3858 | status = decode_getfattr(&xdr, res->fattr, res->server); | |
3859 | out: | |
3860 | return status; | |
3861 | ||
3862 | } | |
3863 | ||
23ec6965 BF |
3864 | /* |
3865 | * Encode an SETACL request | |
3866 | */ | |
3867 | static int | |
3868 | nfs4_xdr_enc_setacl(struct rpc_rqst *req, uint32_t *p, struct nfs_setaclargs *args) | |
3869 | { | |
3870 | struct xdr_stream xdr; | |
3871 | struct compound_hdr hdr = { | |
3872 | .nops = 2, | |
3873 | }; | |
3874 | int status; | |
3875 | ||
3876 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
3877 | encode_compound_hdr(&xdr, &hdr); | |
3878 | status = encode_putfh(&xdr, args->fh); | |
3879 | if (status) | |
3880 | goto out; | |
3881 | status = encode_setacl(&xdr, args); | |
3882 | out: | |
3883 | return status; | |
3884 | } | |
3885 | /* | |
3886 | * Decode SETACL response | |
3887 | */ | |
3888 | static int | |
3889 | nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, uint32_t *p, void *res) | |
3890 | { | |
3891 | struct xdr_stream xdr; | |
3892 | struct compound_hdr hdr; | |
3893 | int status; | |
3894 | ||
3895 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
3896 | status = decode_compound_hdr(&xdr, &hdr); | |
3897 | if (status) | |
3898 | goto out; | |
3899 | status = decode_putfh(&xdr); | |
3900 | if (status) | |
3901 | goto out; | |
3902 | status = decode_setattr(&xdr, res); | |
3903 | out: | |
3904 | return status; | |
3905 | } | |
1da177e4 | 3906 | |
029d105e BF |
3907 | /* |
3908 | * Decode GETACL response | |
3909 | */ | |
3910 | static int | |
3911 | nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, uint32_t *p, size_t *acl_len) | |
3912 | { | |
3913 | struct xdr_stream xdr; | |
3914 | struct compound_hdr hdr; | |
3915 | int status; | |
3916 | ||
3917 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
3918 | status = decode_compound_hdr(&xdr, &hdr); | |
3919 | if (status) | |
3920 | goto out; | |
3921 | status = decode_putfh(&xdr); | |
3922 | if (status) | |
3923 | goto out; | |
3924 | status = decode_getacl(&xdr, rqstp, acl_len); | |
3925 | ||
3926 | out: | |
3927 | return status; | |
3928 | } | |
3929 | ||
1da177e4 LT |
3930 | /* |
3931 | * Decode CLOSE response | |
3932 | */ | |
3933 | static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_closeres *res) | |
3934 | { | |
3935 | struct xdr_stream xdr; | |
3936 | struct compound_hdr hdr; | |
3937 | int status; | |
3938 | ||
3939 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
3940 | status = decode_compound_hdr(&xdr, &hdr); | |
3941 | if (status) | |
3942 | goto out; | |
3943 | status = decode_putfh(&xdr); | |
3944 | if (status) | |
3945 | goto out; | |
3946 | status = decode_close(&xdr, res); | |
516a6af6 TM |
3947 | if (status != 0) |
3948 | goto out; | |
3949 | /* | |
3950 | * Note: Server may do delete on close for this file | |
3951 | * in which case the getattr call will fail with | |
3952 | * an ESTALE error. Shouldn't be a problem, | |
3953 | * though, since fattr->valid will remain unset. | |
3954 | */ | |
3955 | decode_getfattr(&xdr, res->fattr, res->server); | |
1da177e4 LT |
3956 | out: |
3957 | return status; | |
3958 | } | |
3959 | ||
3960 | /* | |
3961 | * Decode OPEN response | |
3962 | */ | |
3963 | static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_openres *res) | |
3964 | { | |
3965 | struct xdr_stream xdr; | |
3966 | struct compound_hdr hdr; | |
3967 | int status; | |
3968 | ||
3969 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
3970 | status = decode_compound_hdr(&xdr, &hdr); | |
3971 | if (status) | |
3972 | goto out; | |
3973 | status = decode_putfh(&xdr); | |
3974 | if (status) | |
3975 | goto out; | |
56ae19f3 TM |
3976 | status = decode_savefh(&xdr); |
3977 | if (status) | |
3978 | goto out; | |
1da177e4 LT |
3979 | status = decode_open(&xdr, res); |
3980 | if (status) | |
3981 | goto out; | |
3982 | status = decode_getfh(&xdr, &res->fh); | |
3983 | if (status) | |
3984 | goto out; | |
56ae19f3 TM |
3985 | if (decode_getfattr(&xdr, res->f_attr, res->server) != 0) |
3986 | goto out; | |
3987 | if ((status = decode_restorefh(&xdr)) != 0) | |
3988 | goto out; | |
3989 | decode_getfattr(&xdr, res->dir_attr, res->server); | |
1da177e4 LT |
3990 | out: |
3991 | return status; | |
3992 | } | |
3993 | ||
3994 | /* | |
3995 | * Decode OPEN_CONFIRM response | |
3996 | */ | |
3997 | static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_open_confirmres *res) | |
3998 | { | |
3999 | struct xdr_stream xdr; | |
4000 | struct compound_hdr hdr; | |
4001 | int status; | |
4002 | ||
4003 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4004 | status = decode_compound_hdr(&xdr, &hdr); | |
4005 | if (status) | |
4006 | goto out; | |
4007 | status = decode_putfh(&xdr); | |
4008 | if (status) | |
4009 | goto out; | |
4010 | status = decode_open_confirm(&xdr, res); | |
4011 | out: | |
4012 | return status; | |
4013 | } | |
4014 | ||
4015 | /* | |
4016 | * Decode OPEN response | |
4017 | */ | |
4018 | static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_openres *res) | |
4019 | { | |
4020 | struct xdr_stream xdr; | |
4021 | struct compound_hdr hdr; | |
4022 | int status; | |
4023 | ||
4024 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4025 | status = decode_compound_hdr(&xdr, &hdr); | |
4026 | if (status) | |
4027 | goto out; | |
4028 | status = decode_putfh(&xdr); | |
4029 | if (status) | |
4030 | goto out; | |
4031 | status = decode_open(&xdr, res); | |
864472e9 TM |
4032 | if (status) |
4033 | goto out; | |
4034 | decode_getfattr(&xdr, res->f_attr, res->server); | |
1da177e4 LT |
4035 | out: |
4036 | return status; | |
4037 | } | |
4038 | ||
4039 | /* | |
4040 | * Decode SETATTR response | |
4041 | */ | |
4042 | static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_setattrres *res) | |
4043 | { | |
4044 | struct xdr_stream xdr; | |
4045 | struct compound_hdr hdr; | |
4046 | int status; | |
4047 | ||
4048 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4049 | status = decode_compound_hdr(&xdr, &hdr); | |
4050 | if (status) | |
4051 | goto out; | |
4052 | status = decode_putfh(&xdr); | |
4053 | if (status) | |
4054 | goto out; | |
4055 | status = decode_setattr(&xdr, res); | |
4056 | if (status) | |
4057 | goto out; | |
4058 | status = decode_getfattr(&xdr, res->fattr, res->server); | |
4059 | if (status == NFS4ERR_DELAY) | |
4060 | status = 0; | |
4061 | out: | |
4062 | return status; | |
4063 | } | |
4064 | ||
4065 | /* | |
4066 | * Decode LOCK response | |
4067 | */ | |
911d1aaf | 4068 | static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_lock_res *res) |
1da177e4 LT |
4069 | { |
4070 | struct xdr_stream xdr; | |
4071 | struct compound_hdr hdr; | |
4072 | int status; | |
4073 | ||
4074 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4075 | status = decode_compound_hdr(&xdr, &hdr); | |
4076 | if (status) | |
4077 | goto out; | |
4078 | status = decode_putfh(&xdr); | |
4079 | if (status) | |
4080 | goto out; | |
4081 | status = decode_lock(&xdr, res); | |
4082 | out: | |
4083 | return status; | |
4084 | } | |
4085 | ||
4086 | /* | |
4087 | * Decode LOCKT response | |
4088 | */ | |
911d1aaf | 4089 | static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_lockt_res *res) |
1da177e4 LT |
4090 | { |
4091 | struct xdr_stream xdr; | |
4092 | struct compound_hdr hdr; | |
4093 | int status; | |
4094 | ||
4095 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4096 | status = decode_compound_hdr(&xdr, &hdr); | |
4097 | if (status) | |
4098 | goto out; | |
4099 | status = decode_putfh(&xdr); | |
4100 | if (status) | |
4101 | goto out; | |
4102 | status = decode_lockt(&xdr, res); | |
4103 | out: | |
4104 | return status; | |
4105 | } | |
4106 | ||
4107 | /* | |
4108 | * Decode LOCKU response | |
4109 | */ | |
911d1aaf | 4110 | static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_locku_res *res) |
1da177e4 LT |
4111 | { |
4112 | struct xdr_stream xdr; | |
4113 | struct compound_hdr hdr; | |
4114 | int status; | |
4115 | ||
4116 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4117 | status = decode_compound_hdr(&xdr, &hdr); | |
4118 | if (status) | |
4119 | goto out; | |
4120 | status = decode_putfh(&xdr); | |
4121 | if (status) | |
4122 | goto out; | |
4123 | status = decode_locku(&xdr, res); | |
4124 | out: | |
4125 | return status; | |
4126 | } | |
4127 | ||
4128 | /* | |
4129 | * Decode READLINK response | |
4130 | */ | |
4131 | static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, uint32_t *p, void *res) | |
4132 | { | |
4133 | struct xdr_stream xdr; | |
4134 | struct compound_hdr hdr; | |
4135 | int status; | |
4136 | ||
4137 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4138 | status = decode_compound_hdr(&xdr, &hdr); | |
4139 | if (status) | |
4140 | goto out; | |
4141 | status = decode_putfh(&xdr); | |
4142 | if (status) | |
4143 | goto out; | |
4144 | status = decode_readlink(&xdr, rqstp); | |
4145 | out: | |
4146 | return status; | |
4147 | } | |
4148 | ||
4149 | /* | |
4150 | * Decode READDIR response | |
4151 | */ | |
4152 | static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_readdir_res *res) | |
4153 | { | |
4154 | struct xdr_stream xdr; | |
4155 | struct compound_hdr hdr; | |
4156 | int status; | |
4157 | ||
4158 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4159 | status = decode_compound_hdr(&xdr, &hdr); | |
4160 | if (status) | |
4161 | goto out; | |
4162 | status = decode_putfh(&xdr); | |
4163 | if (status) | |
4164 | goto out; | |
4165 | status = decode_readdir(&xdr, rqstp, res); | |
4166 | out: | |
4167 | return status; | |
4168 | } | |
4169 | ||
4170 | /* | |
4171 | * Decode Read response | |
4172 | */ | |
4173 | static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_readres *res) | |
4174 | { | |
4175 | struct xdr_stream xdr; | |
4176 | struct compound_hdr hdr; | |
4177 | int status; | |
4178 | ||
4179 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4180 | status = decode_compound_hdr(&xdr, &hdr); | |
4181 | if (status) | |
4182 | goto out; | |
4183 | status = decode_putfh(&xdr); | |
4184 | if (status) | |
4185 | goto out; | |
4186 | status = decode_read(&xdr, rqstp, res); | |
4187 | if (!status) | |
4188 | status = res->count; | |
4189 | out: | |
4190 | return status; | |
4191 | } | |
4192 | ||
4193 | /* | |
4194 | * Decode WRITE response | |
4195 | */ | |
4196 | static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_writeres *res) | |
4197 | { | |
4198 | struct xdr_stream xdr; | |
4199 | struct compound_hdr hdr; | |
4200 | int status; | |
4201 | ||
4202 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4203 | status = decode_compound_hdr(&xdr, &hdr); | |
4204 | if (status) | |
4205 | goto out; | |
4206 | status = decode_putfh(&xdr); | |
4207 | if (status) | |
4208 | goto out; | |
4209 | status = decode_write(&xdr, res); | |
4f9838c7 TM |
4210 | if (status) |
4211 | goto out; | |
4212 | decode_getfattr(&xdr, res->fattr, res->server); | |
1da177e4 LT |
4213 | if (!status) |
4214 | status = res->count; | |
4215 | out: | |
4216 | return status; | |
4217 | } | |
4218 | ||
4219 | /* | |
4220 | * Decode COMMIT response | |
4221 | */ | |
4222 | static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_writeres *res) | |
4223 | { | |
4224 | struct xdr_stream xdr; | |
4225 | struct compound_hdr hdr; | |
4226 | int status; | |
4227 | ||
4228 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4229 | status = decode_compound_hdr(&xdr, &hdr); | |
4230 | if (status) | |
4231 | goto out; | |
4232 | status = decode_putfh(&xdr); | |
4233 | if (status) | |
4234 | goto out; | |
4235 | status = decode_commit(&xdr, res); | |
4f9838c7 TM |
4236 | if (status) |
4237 | goto out; | |
4238 | decode_getfattr(&xdr, res->fattr, res->server); | |
1da177e4 LT |
4239 | out: |
4240 | return status; | |
4241 | } | |
4242 | ||
4243 | /* | |
4244 | * FSINFO request | |
4245 | */ | |
4246 | static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, uint32_t *p, struct nfs_fsinfo *fsinfo) | |
4247 | { | |
4248 | struct xdr_stream xdr; | |
4249 | struct compound_hdr hdr; | |
4250 | int status; | |
4251 | ||
4252 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); | |
4253 | status = decode_compound_hdr(&xdr, &hdr); | |
4254 | if (!status) | |
4255 | status = decode_putfh(&xdr); | |
4256 | if (!status) | |
4257 | status = decode_fsinfo(&xdr, fsinfo); | |
4258 | if (!status) | |
0a8ea437 | 4259 | status = -nfs4_stat_to_errno(hdr.status); |
1da177e4 LT |
4260 | return status; |
4261 | } | |
4262 | ||
4263 | /* | |
4264 | * PATHCONF request | |
4265 | */ | |
4266 | static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, uint32_t *p, struct nfs_pathconf *pathconf) | |
4267 | { | |
4268 | struct xdr_stream xdr; | |
4269 | struct compound_hdr hdr; | |
4270 | int status; | |
4271 | ||
4272 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); | |
4273 | status = decode_compound_hdr(&xdr, &hdr); | |
4274 | if (!status) | |
4275 | status = decode_putfh(&xdr); | |
4276 | if (!status) | |
4277 | status = decode_pathconf(&xdr, pathconf); | |
4278 | return status; | |
4279 | } | |
4280 | ||
4281 | /* | |
4282 | * STATFS request | |
4283 | */ | |
4284 | static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, uint32_t *p, struct nfs_fsstat *fsstat) | |
4285 | { | |
4286 | struct xdr_stream xdr; | |
4287 | struct compound_hdr hdr; | |
4288 | int status; | |
4289 | ||
4290 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); | |
4291 | status = decode_compound_hdr(&xdr, &hdr); | |
4292 | if (!status) | |
4293 | status = decode_putfh(&xdr); | |
4294 | if (!status) | |
4295 | status = decode_statfs(&xdr, fsstat); | |
4296 | return status; | |
4297 | } | |
4298 | ||
4299 | /* | |
4300 | * GETATTR_BITMAP request | |
4301 | */ | |
4302 | static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, uint32_t *p, struct nfs4_server_caps_res *res) | |
4303 | { | |
4304 | struct xdr_stream xdr; | |
4305 | struct compound_hdr hdr; | |
4306 | int status; | |
4307 | ||
4308 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); | |
4309 | if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) | |
4310 | goto out; | |
4311 | if ((status = decode_putfh(&xdr)) != 0) | |
4312 | goto out; | |
4313 | status = decode_server_caps(&xdr, res); | |
4314 | out: | |
4315 | return status; | |
4316 | } | |
4317 | ||
4318 | /* | |
4319 | * Decode RENEW response | |
4320 | */ | |
4321 | static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, uint32_t *p, void *dummy) | |
4322 | { | |
4323 | struct xdr_stream xdr; | |
4324 | struct compound_hdr hdr; | |
4325 | int status; | |
4326 | ||
4327 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4328 | status = decode_compound_hdr(&xdr, &hdr); | |
4329 | if (!status) | |
4330 | status = decode_renew(&xdr); | |
4331 | return status; | |
4332 | } | |
4333 | ||
4334 | /* | |
4335 | * a SETCLIENTID request | |
4336 | */ | |
4337 | static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, uint32_t *p, | |
adfa6f98 | 4338 | struct nfs_client *clp) |
1da177e4 LT |
4339 | { |
4340 | struct xdr_stream xdr; | |
4341 | struct compound_hdr hdr; | |
4342 | int status; | |
4343 | ||
4344 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); | |
4345 | status = decode_compound_hdr(&xdr, &hdr); | |
4346 | if (!status) | |
4347 | status = decode_setclientid(&xdr, clp); | |
4348 | if (!status) | |
0a8ea437 | 4349 | status = -nfs4_stat_to_errno(hdr.status); |
1da177e4 LT |
4350 | return status; |
4351 | } | |
4352 | ||
4353 | /* | |
4354 | * a SETCLIENTID_CONFIRM request | |
4355 | */ | |
4356 | static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, uint32_t *p, struct nfs_fsinfo *fsinfo) | |
4357 | { | |
4358 | struct xdr_stream xdr; | |
4359 | struct compound_hdr hdr; | |
4360 | int status; | |
4361 | ||
4362 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); | |
4363 | status = decode_compound_hdr(&xdr, &hdr); | |
4364 | if (!status) | |
4365 | status = decode_setclientid_confirm(&xdr); | |
4366 | if (!status) | |
4367 | status = decode_putrootfh(&xdr); | |
4368 | if (!status) | |
4369 | status = decode_fsinfo(&xdr, fsinfo); | |
4370 | if (!status) | |
0a8ea437 | 4371 | status = -nfs4_stat_to_errno(hdr.status); |
1da177e4 LT |
4372 | return status; |
4373 | } | |
4374 | ||
4375 | /* | |
4376 | * DELEGRETURN request | |
4377 | */ | |
fa178f29 | 4378 | static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_delegreturnres *res) |
1da177e4 LT |
4379 | { |
4380 | struct xdr_stream xdr; | |
4381 | struct compound_hdr hdr; | |
4382 | int status; | |
4383 | ||
4384 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4385 | status = decode_compound_hdr(&xdr, &hdr); | |
fa178f29 TM |
4386 | if (status != 0) |
4387 | goto out; | |
4388 | status = decode_putfh(&xdr); | |
4389 | if (status != 0) | |
4390 | goto out; | |
4391 | status = decode_delegreturn(&xdr); | |
4392 | decode_getfattr(&xdr, res->fattr, res->server); | |
4393 | out: | |
1da177e4 LT |
4394 | return status; |
4395 | } | |
4396 | ||
683b57b4 TM |
4397 | /* |
4398 | * FS_LOCATIONS request | |
4399 | */ | |
7aaa0b3b | 4400 | static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, uint32_t *p, struct nfs4_fs_locations *res) |
683b57b4 TM |
4401 | { |
4402 | struct xdr_stream xdr; | |
4403 | struct compound_hdr hdr; | |
4404 | int status; | |
4405 | ||
4406 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); | |
4407 | status = decode_compound_hdr(&xdr, &hdr); | |
4408 | if (status != 0) | |
4409 | goto out; | |
4410 | if ((status = decode_putfh(&xdr)) != 0) | |
4411 | goto out; | |
4412 | if ((status = decode_lookup(&xdr)) != 0) | |
4413 | goto out; | |
4414 | xdr_enter_page(&xdr, PAGE_SIZE); | |
4415 | status = decode_getfattr(&xdr, &res->fattr, res->server); | |
4416 | out: | |
4417 | return status; | |
4418 | } | |
4419 | ||
1da177e4 LT |
4420 | uint32_t *nfs4_decode_dirent(uint32_t *p, struct nfs_entry *entry, int plus) |
4421 | { | |
4422 | uint32_t bitmap[2] = {0}; | |
4423 | uint32_t len; | |
4424 | ||
4425 | if (!*p++) { | |
4426 | if (!*p) | |
4427 | return ERR_PTR(-EAGAIN); | |
4428 | entry->eof = 1; | |
4429 | return ERR_PTR(-EBADCOOKIE); | |
4430 | } | |
4431 | ||
4432 | entry->prev_cookie = entry->cookie; | |
4433 | p = xdr_decode_hyper(p, &entry->cookie); | |
4434 | entry->len = ntohl(*p++); | |
4435 | entry->name = (const char *) p; | |
4436 | p += XDR_QUADLEN(entry->len); | |
4437 | ||
4438 | /* | |
4439 | * In case the server doesn't return an inode number, | |
4440 | * we fake one here. (We don't use inode number 0, | |
4441 | * since glibc seems to choke on it...) | |
4442 | */ | |
4443 | entry->ino = 1; | |
4444 | ||
4445 | len = ntohl(*p++); /* bitmap length */ | |
4446 | if (len-- > 0) { | |
4447 | bitmap[0] = ntohl(*p++); | |
4448 | if (len-- > 0) { | |
4449 | bitmap[1] = ntohl(*p++); | |
4450 | p += len; | |
4451 | } | |
4452 | } | |
4453 | len = XDR_QUADLEN(ntohl(*p++)); /* attribute buffer length */ | |
4454 | if (len > 0) { | |
97d312d0 MN |
4455 | if (bitmap[0] & FATTR4_WORD0_RDATTR_ERROR) { |
4456 | bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR; | |
4457 | /* Ignore the return value of rdattr_error for now */ | |
4458 | p++; | |
4459 | len--; | |
4460 | } | |
1da177e4 LT |
4461 | if (bitmap[0] == 0 && bitmap[1] == FATTR4_WORD1_MOUNTED_ON_FILEID) |
4462 | xdr_decode_hyper(p, &entry->ino); | |
4463 | else if (bitmap[0] == FATTR4_WORD0_FILEID) | |
4464 | xdr_decode_hyper(p, &entry->ino); | |
4465 | p += len; | |
4466 | } | |
4467 | ||
4468 | entry->eof = !p[0] && p[1]; | |
4469 | return p; | |
4470 | } | |
4471 | ||
4472 | /* | |
4473 | * We need to translate between nfs status return values and | |
4474 | * the local errno values which may not be the same. | |
4475 | */ | |
4476 | static struct { | |
4477 | int stat; | |
4478 | int errno; | |
4479 | } nfs_errtbl[] = { | |
4480 | { NFS4_OK, 0 }, | |
4481 | { NFS4ERR_PERM, EPERM }, | |
4482 | { NFS4ERR_NOENT, ENOENT }, | |
4483 | { NFS4ERR_IO, errno_NFSERR_IO }, | |
4484 | { NFS4ERR_NXIO, ENXIO }, | |
4485 | { NFS4ERR_ACCESS, EACCES }, | |
4486 | { NFS4ERR_EXIST, EEXIST }, | |
4487 | { NFS4ERR_XDEV, EXDEV }, | |
4488 | { NFS4ERR_NOTDIR, ENOTDIR }, | |
4489 | { NFS4ERR_ISDIR, EISDIR }, | |
4490 | { NFS4ERR_INVAL, EINVAL }, | |
4491 | { NFS4ERR_FBIG, EFBIG }, | |
4492 | { NFS4ERR_NOSPC, ENOSPC }, | |
4493 | { NFS4ERR_ROFS, EROFS }, | |
4494 | { NFS4ERR_MLINK, EMLINK }, | |
4495 | { NFS4ERR_NAMETOOLONG, ENAMETOOLONG }, | |
4496 | { NFS4ERR_NOTEMPTY, ENOTEMPTY }, | |
4497 | { NFS4ERR_DQUOT, EDQUOT }, | |
4498 | { NFS4ERR_STALE, ESTALE }, | |
4499 | { NFS4ERR_BADHANDLE, EBADHANDLE }, | |
6ebf3656 MN |
4500 | { NFS4ERR_BADOWNER, EINVAL }, |
4501 | { NFS4ERR_BADNAME, EINVAL }, | |
1da177e4 LT |
4502 | { NFS4ERR_BAD_COOKIE, EBADCOOKIE }, |
4503 | { NFS4ERR_NOTSUPP, ENOTSUPP }, | |
4504 | { NFS4ERR_TOOSMALL, ETOOSMALL }, | |
4505 | { NFS4ERR_SERVERFAULT, ESERVERFAULT }, | |
4506 | { NFS4ERR_BADTYPE, EBADTYPE }, | |
4507 | { NFS4ERR_LOCKED, EAGAIN }, | |
4508 | { NFS4ERR_RESOURCE, EREMOTEIO }, | |
4509 | { NFS4ERR_SYMLINK, ELOOP }, | |
4510 | { NFS4ERR_OP_ILLEGAL, EOPNOTSUPP }, | |
4511 | { NFS4ERR_DEADLOCK, EDEADLK }, | |
4512 | { NFS4ERR_WRONGSEC, EPERM }, /* FIXME: this needs | |
4513 | * to be handled by a | |
4514 | * middle-layer. | |
4515 | */ | |
4516 | { -1, EIO } | |
4517 | }; | |
4518 | ||
4519 | /* | |
4520 | * Convert an NFS error code to a local one. | |
4521 | * This one is used jointly by NFSv2 and NFSv3. | |
4522 | */ | |
4523 | static int | |
0a8ea437 | 4524 | nfs4_stat_to_errno(int stat) |
1da177e4 LT |
4525 | { |
4526 | int i; | |
4527 | for (i = 0; nfs_errtbl[i].stat != -1; i++) { | |
4528 | if (nfs_errtbl[i].stat == stat) | |
4529 | return nfs_errtbl[i].errno; | |
4530 | } | |
4531 | if (stat <= 10000 || stat > 10100) { | |
4532 | /* The server is looney tunes. */ | |
4533 | return ESERVERFAULT; | |
4534 | } | |
4535 | /* If we cannot translate the error, the recovery routines should | |
4536 | * handle it. | |
4537 | * Note: remaining NFSv4 error codes have values > 10000, so should | |
4538 | * not conflict with native Linux error codes. | |
4539 | */ | |
4540 | return stat; | |
4541 | } | |
4542 | ||
4543 | #ifndef MAX | |
4544 | # define MAX(a, b) (((a) > (b))? (a) : (b)) | |
4545 | #endif | |
4546 | ||
4547 | #define PROC(proc, argtype, restype) \ | |
4548 | [NFSPROC4_CLNT_##proc] = { \ | |
4549 | .p_proc = NFSPROC4_COMPOUND, \ | |
4550 | .p_encode = (kxdrproc_t) nfs4_xdr_##argtype, \ | |
4551 | .p_decode = (kxdrproc_t) nfs4_xdr_##restype, \ | |
4552 | .p_bufsiz = MAX(NFS4_##argtype##_sz,NFS4_##restype##_sz) << 2, \ | |
cc0175c1 CL |
4553 | .p_statidx = NFSPROC4_CLNT_##proc, \ |
4554 | .p_name = #proc, \ | |
1da177e4 LT |
4555 | } |
4556 | ||
4557 | struct rpc_procinfo nfs4_procedures[] = { | |
4558 | PROC(READ, enc_read, dec_read), | |
4559 | PROC(WRITE, enc_write, dec_write), | |
4560 | PROC(COMMIT, enc_commit, dec_commit), | |
4561 | PROC(OPEN, enc_open, dec_open), | |
4562 | PROC(OPEN_CONFIRM, enc_open_confirm, dec_open_confirm), | |
4563 | PROC(OPEN_NOATTR, enc_open_noattr, dec_open_noattr), | |
4564 | PROC(OPEN_DOWNGRADE, enc_open_downgrade, dec_open_downgrade), | |
4565 | PROC(CLOSE, enc_close, dec_close), | |
4566 | PROC(SETATTR, enc_setattr, dec_setattr), | |
4567 | PROC(FSINFO, enc_fsinfo, dec_fsinfo), | |
4568 | PROC(RENEW, enc_renew, dec_renew), | |
4569 | PROC(SETCLIENTID, enc_setclientid, dec_setclientid), | |
4570 | PROC(SETCLIENTID_CONFIRM, enc_setclientid_confirm, dec_setclientid_confirm), | |
4571 | PROC(LOCK, enc_lock, dec_lock), | |
4572 | PROC(LOCKT, enc_lockt, dec_lockt), | |
4573 | PROC(LOCKU, enc_locku, dec_locku), | |
4574 | PROC(ACCESS, enc_access, dec_access), | |
4575 | PROC(GETATTR, enc_getattr, dec_getattr), | |
4576 | PROC(LOOKUP, enc_lookup, dec_lookup), | |
4577 | PROC(LOOKUP_ROOT, enc_lookup_root, dec_lookup_root), | |
4578 | PROC(REMOVE, enc_remove, dec_remove), | |
4579 | PROC(RENAME, enc_rename, dec_rename), | |
4580 | PROC(LINK, enc_link, dec_link), | |
4581 | PROC(SYMLINK, enc_symlink, dec_symlink), | |
4582 | PROC(CREATE, enc_create, dec_create), | |
4583 | PROC(PATHCONF, enc_pathconf, dec_pathconf), | |
4584 | PROC(STATFS, enc_statfs, dec_statfs), | |
4585 | PROC(READLINK, enc_readlink, dec_readlink), | |
4586 | PROC(READDIR, enc_readdir, dec_readdir), | |
4587 | PROC(SERVER_CAPS, enc_server_caps, dec_server_caps), | |
4588 | PROC(DELEGRETURN, enc_delegreturn, dec_delegreturn), | |
029d105e | 4589 | PROC(GETACL, enc_getacl, dec_getacl), |
23ec6965 | 4590 | PROC(SETACL, enc_setacl, dec_setacl), |
683b57b4 | 4591 | PROC(FS_LOCATIONS, enc_fs_locations, dec_fs_locations), |
1da177e4 LT |
4592 | }; |
4593 | ||
4594 | struct rpc_version nfs_version4 = { | |
4595 | .number = 4, | |
e8c96f8c | 4596 | .nrprocs = ARRAY_SIZE(nfs4_procedures), |
1da177e4 LT |
4597 | .procs = nfs4_procedures |
4598 | }; | |
4599 | ||
4600 | /* | |
4601 | * Local variables: | |
4602 | * c-basic-offset: 8 | |
4603 | * End: | |
4604 | */ |