Commit | Line | Data |
---|---|---|
84004dbf RS |
1 | /* |
2 | Copyright (C) 2010 by Ronnie Sahlberg <ronniesahlberg@gmail.com> | |
3 | ||
4 | This program is free software; you can redistribute it and/or modify | |
5 | it under the terms of the GNU Lesser General Public License as published by | |
6 | the Free Software Foundation; either version 2.1 of the License, or | |
7 | (at your option) any later version. | |
8 | ||
9 | This program is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | GNU Lesser General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public License | |
15 | along with this program; if not, see <http://www.gnu.org/licenses/>. | |
16 | */ | |
17 | /* | |
18 | * High level api to nfs filesystems | |
19 | */ | |
20 | ||
21 | #include <stdio.h> | |
22 | #include <stdlib.h> | |
23 | #include <string.h> | |
24 | #include <strings.h> | |
25 | #include <errno.h> | |
26 | #include <sys/types.h> | |
27 | #include <sys/stat.h> | |
28 | #include <sys/statvfs.h> | |
29 | #include <utime.h> | |
30 | #include <unistd.h> | |
31 | #include <fcntl.h> | |
32 | #include "libnfs.h" | |
33 | #include "libnfs-raw.h" | |
34 | #include "libnfs-raw-mount.h" | |
35 | #include "libnfs-raw-nfs.h" | |
36 | ||
37 | struct nfsfh { | |
38 | struct nfs_fh3 fh; | |
39 | int is_sync; | |
40 | off_t offset; | |
41 | }; | |
42 | ||
43 | struct nfsdir { | |
44 | struct nfsdirent *entries; | |
45 | struct nfsdirent *current; | |
46 | }; | |
47 | ||
48 | void nfs_free_nfsdir(struct nfsdir *nfsdir) | |
49 | { | |
50 | while (nfsdir->entries) { | |
51 | struct nfsdirent *dirent = nfsdir->entries->next; | |
52 | if (nfsdir->entries->name != NULL) { | |
53 | free(nfsdir->entries->name); | |
54 | } | |
55 | free(nfsdir->entries); | |
56 | nfsdir->entries = dirent; | |
57 | } | |
58 | free(nfsdir); | |
59 | } | |
60 | ||
61 | struct nfs_context { | |
62 | struct rpc_context *rpc; | |
63 | char *server; | |
64 | char *export; | |
65 | struct nfs_fh3 rootfh; | |
17ef62fa RS |
66 | size_t readmax; |
67 | size_t writemax; | |
84004dbf RS |
68 | }; |
69 | ||
70 | struct nfs_cb_data; | |
71 | typedef int (*continue_func)(struct nfs_context *nfs, struct nfs_cb_data *data); | |
72 | ||
73 | struct nfs_cb_data { | |
74 | struct nfs_context *nfs; | |
75 | struct nfsfh *nfsfh; | |
76 | char *saved_path, *path; | |
77 | ||
78 | nfs_cb cb; | |
79 | void *private_data; | |
80 | ||
81 | continue_func continue_cb; | |
82 | void *continue_data; | |
83 | void (*free_continue_data)(void *); | |
84 | int continue_int; | |
85 | ||
86 | struct nfs_fh3 fh; | |
921f877b RS |
87 | |
88 | /* for multi-read/write calls. */ | |
89 | int error; | |
90 | int cancel; | |
91 | int num_calls; | |
92 | off_t start_offset, max_offset; | |
93 | char *buffer; | |
94 | }; | |
95 | ||
96 | struct nfs_mcb_data { | |
97 | struct nfs_cb_data *data; | |
98 | off_t offset; | |
99 | size_t count; | |
84004dbf RS |
100 | }; |
101 | ||
102 | static int nfs_lookup_path_async_internal(struct nfs_context *nfs, struct nfs_cb_data *data, struct nfs_fh3 *fh); | |
103 | ||
104 | ||
105 | void nfs_set_auth(struct nfs_context *nfs, struct AUTH *auth) | |
106 | { | |
107 | return rpc_set_auth(nfs->rpc, auth); | |
108 | } | |
109 | ||
110 | int nfs_get_fd(struct nfs_context *nfs) | |
111 | { | |
112 | return rpc_get_fd(nfs->rpc); | |
113 | } | |
114 | ||
115 | int nfs_which_events(struct nfs_context *nfs) | |
116 | { | |
117 | return rpc_which_events(nfs->rpc); | |
118 | } | |
119 | ||
120 | int nfs_service(struct nfs_context *nfs, int revents) | |
121 | { | |
122 | return rpc_service(nfs->rpc, revents); | |
123 | } | |
124 | ||
125 | char *nfs_get_error(struct nfs_context *nfs) | |
126 | { | |
127 | return rpc_get_error(nfs->rpc); | |
128 | }; | |
129 | ||
130 | struct nfs_context *nfs_init_context(void) | |
131 | { | |
132 | struct nfs_context *nfs; | |
133 | ||
134 | nfs = malloc(sizeof(struct nfs_context)); | |
135 | if (nfs == NULL) { | |
84004dbf RS |
136 | return NULL; |
137 | } | |
138 | nfs->rpc = rpc_init_context(); | |
139 | if (nfs->rpc == NULL) { | |
84004dbf RS |
140 | free(nfs); |
141 | return NULL; | |
142 | } | |
143 | ||
144 | return nfs; | |
145 | } | |
146 | ||
147 | void nfs_destroy_context(struct nfs_context *nfs) | |
148 | { | |
149 | rpc_destroy_context(nfs->rpc); | |
150 | nfs->rpc = NULL; | |
151 | ||
152 | if (nfs->server) { | |
153 | free(nfs->server); | |
154 | nfs->server = NULL; | |
155 | } | |
156 | ||
157 | if (nfs->export) { | |
158 | free(nfs->export); | |
159 | nfs->export = NULL; | |
160 | } | |
161 | ||
162 | if (nfs->rootfh.data.data_val != NULL) { | |
163 | free(nfs->rootfh.data.data_val); | |
164 | nfs->rootfh.data.data_val = NULL; | |
165 | } | |
166 | ||
167 | free(nfs); | |
168 | } | |
169 | ||
170 | void free_nfs_cb_data(struct nfs_cb_data *data) | |
171 | { | |
172 | if (data->saved_path != NULL) { | |
173 | free(data->saved_path); | |
174 | data->saved_path = NULL; | |
175 | } | |
176 | ||
177 | if (data->continue_data != NULL) { | |
178 | data->free_continue_data(data->continue_data); | |
179 | data->continue_data = NULL; | |
180 | } | |
181 | ||
182 | if (data->fh.data.data_val != NULL) { | |
183 | free(data->fh.data.data_val); | |
184 | data->fh.data.data_val = NULL; | |
185 | } | |
186 | ||
921f877b RS |
187 | if (data->buffer != NULL) { |
188 | free(data->buffer); | |
189 | data->buffer = NULL; | |
190 | } | |
191 | ||
84004dbf RS |
192 | free(data); |
193 | } | |
194 | ||
195 | ||
196 | ||
197 | ||
198 | ||
17ef62fa | 199 | static void nfs_mount_10_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) |
84004dbf RS |
200 | { |
201 | struct nfs_cb_data *data = private_data; | |
202 | struct nfs_context *nfs = data->nfs; | |
203 | ||
204 | if (status == RPC_STATUS_ERROR) { | |
205 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
206 | free_nfs_cb_data(data); | |
207 | return; | |
208 | } | |
209 | if (status == RPC_STATUS_CANCEL) { | |
210 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
211 | free_nfs_cb_data(data); | |
212 | return; | |
213 | } | |
214 | ||
215 | data->cb(0, nfs, NULL, data->private_data); | |
216 | free_nfs_cb_data(data); | |
217 | } | |
218 | ||
17ef62fa | 219 | static void nfs_mount_9_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
220 | { |
221 | struct nfs_cb_data *data = private_data; | |
222 | struct nfs_context *nfs = data->nfs; | |
17ef62fa | 223 | FSINFO3res *res = command_data; |
84004dbf RS |
224 | |
225 | if (status == RPC_STATUS_ERROR) { | |
226 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
227 | free_nfs_cb_data(data); | |
228 | return; | |
229 | } | |
230 | if (status == RPC_STATUS_CANCEL) { | |
231 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
232 | free_nfs_cb_data(data); | |
233 | return; | |
234 | } | |
235 | ||
17ef62fa RS |
236 | nfs->readmax = res->FSINFO3res_u.resok.rtmax; |
237 | nfs->writemax = res->FSINFO3res_u.resok.wtmax; | |
84004dbf | 238 | |
17ef62fa | 239 | if (rpc_nfs_getattr_async(rpc, nfs_mount_10_cb, &nfs->rootfh, data) != 0) { |
84004dbf RS |
240 | data->cb(-ENOMEM, nfs, command_data, data->private_data); |
241 | free_nfs_cb_data(data); | |
242 | return; | |
243 | } | |
244 | } | |
245 | ||
17ef62fa RS |
246 | static void nfs_mount_8_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
247 | { | |
248 | struct nfs_cb_data *data = private_data; | |
249 | struct nfs_context *nfs = data->nfs; | |
250 | ||
251 | if (status == RPC_STATUS_ERROR) { | |
252 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
253 | free_nfs_cb_data(data); | |
254 | return; | |
255 | } | |
256 | if (status == RPC_STATUS_CANCEL) { | |
257 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
258 | free_nfs_cb_data(data); | |
259 | return; | |
260 | } | |
261 | ||
262 | if (rpc_nfs_fsinfo_async(rpc, nfs_mount_9_cb, &nfs->rootfh, data) != 0) { | |
263 | data->cb(-ENOMEM, nfs, command_data, data->private_data); | |
264 | free_nfs_cb_data(data); | |
265 | return; | |
266 | } | |
267 | } | |
268 | ||
269 | ||
84004dbf RS |
270 | static void nfs_mount_7_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
271 | { | |
272 | struct nfs_cb_data *data = private_data; | |
273 | struct nfs_context *nfs = data->nfs; | |
274 | ||
275 | if (status == RPC_STATUS_ERROR) { | |
276 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
277 | free_nfs_cb_data(data); | |
278 | return; | |
279 | } | |
280 | if (status == RPC_STATUS_CANCEL) { | |
281 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
282 | free_nfs_cb_data(data); | |
283 | return; | |
284 | } | |
285 | ||
286 | if (rpc_nfs_null_async(rpc, nfs_mount_8_cb, data) != 0) { | |
287 | data->cb(-ENOMEM, nfs, command_data, data->private_data); | |
288 | free_nfs_cb_data(data); | |
289 | return; | |
290 | } | |
291 | } | |
292 | ||
293 | ||
294 | static void nfs_mount_6_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
295 | { | |
296 | struct nfs_cb_data *data = private_data; | |
297 | struct nfs_context *nfs = data->nfs; | |
298 | mountres3 *res; | |
299 | ||
300 | if (status == RPC_STATUS_ERROR) { | |
301 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
302 | free_nfs_cb_data(data); | |
303 | return; | |
304 | } | |
305 | if (status == RPC_STATUS_CANCEL) { | |
306 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
307 | free_nfs_cb_data(data); | |
308 | return; | |
309 | } | |
310 | ||
311 | res = command_data; | |
312 | if (res->fhs_status != MNT3_OK) { | |
313 | rpc_set_error(rpc, "RPC error: Mount failed with error %s(%d) %s(%d)", mountstat3_to_str(res->fhs_status), res->fhs_status, strerror(-mountstat3_to_errno(res->fhs_status)), -mountstat3_to_errno(res->fhs_status)); | |
314 | data->cb(mountstat3_to_errno(res->fhs_status), nfs, rpc_get_error(rpc), data->private_data); | |
315 | free_nfs_cb_data(data); | |
316 | return; | |
317 | } | |
318 | ||
319 | nfs->rootfh.data.data_len = res->mountres3_u.mountinfo.fhandle.fhandle3_len; | |
320 | nfs->rootfh.data.data_val = malloc(nfs->rootfh.data.data_len); | |
321 | if (nfs->rootfh.data.data_val == NULL) { | |
322 | rpc_set_error(rpc, "Out of memory. Could not allocate memory to store root filehandle"); | |
323 | data->cb(-ENOMEM, nfs, rpc_get_error(rpc), data->private_data); | |
324 | free_nfs_cb_data(data); | |
325 | return; | |
326 | } | |
327 | memcpy(nfs->rootfh.data.data_val, res->mountres3_u.mountinfo.fhandle.fhandle3_val, nfs->rootfh.data.data_len); | |
328 | ||
329 | rpc_disconnect(rpc, "normal disconnect"); | |
330 | if (rpc_connect_async(rpc, nfs->server, 2049, nfs_mount_7_cb, data) != 0) { | |
331 | data->cb(-ENOMEM, nfs, command_data, data->private_data); | |
332 | free_nfs_cb_data(data); | |
333 | return; | |
334 | } | |
335 | } | |
336 | ||
337 | ||
338 | static void nfs_mount_5_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
339 | { | |
340 | struct nfs_cb_data *data = private_data; | |
341 | struct nfs_context *nfs = data->nfs; | |
342 | ||
343 | if (status == RPC_STATUS_ERROR) { | |
344 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
345 | free_nfs_cb_data(data); | |
346 | return; | |
347 | } | |
348 | if (status == RPC_STATUS_CANCEL) { | |
349 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
350 | free_nfs_cb_data(data); | |
351 | return; | |
352 | } | |
353 | ||
354 | if (rpc_mount_mnt_async(rpc, nfs_mount_6_cb, nfs->export, data) != 0) { | |
355 | data->cb(-ENOMEM, nfs, command_data, data->private_data); | |
356 | free_nfs_cb_data(data); | |
357 | return; | |
358 | } | |
359 | } | |
360 | ||
361 | static void nfs_mount_4_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
362 | { | |
363 | struct nfs_cb_data *data = private_data; | |
364 | struct nfs_context *nfs = data->nfs; | |
365 | ||
366 | if (status == RPC_STATUS_ERROR) { | |
367 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
368 | free_nfs_cb_data(data); | |
369 | return; | |
370 | } | |
371 | if (status == RPC_STATUS_CANCEL) { | |
372 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
373 | free_nfs_cb_data(data); | |
374 | return; | |
375 | } | |
376 | ||
377 | if (rpc_mount_null_async(rpc, nfs_mount_5_cb, data) != 0) { | |
378 | data->cb(-ENOMEM, nfs, command_data, data->private_data); | |
379 | free_nfs_cb_data(data); | |
380 | return; | |
381 | } | |
382 | } | |
383 | ||
384 | static void nfs_mount_3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
385 | { | |
386 | struct nfs_cb_data *data = private_data; | |
387 | struct nfs_context *nfs = data->nfs; | |
388 | uint32_t mount_port; | |
389 | ||
390 | if (status == RPC_STATUS_ERROR) { | |
391 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
392 | free_nfs_cb_data(data); | |
393 | return; | |
394 | } | |
395 | if (status == RPC_STATUS_CANCEL) { | |
396 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
397 | free_nfs_cb_data(data); | |
398 | return; | |
399 | } | |
400 | ||
401 | mount_port = *(uint32_t *)command_data; | |
402 | if (mount_port == 0) { | |
403 | rpc_set_error(rpc, "RPC error. Mount program is not available on %s", nfs->server); | |
404 | data->cb(-ENOENT, nfs, command_data, data->private_data); | |
405 | free_nfs_cb_data(data); | |
406 | return; | |
407 | } | |
408 | ||
409 | rpc_disconnect(rpc, "normal disconnect"); | |
410 | if (rpc_connect_async(rpc, nfs->server, mount_port, nfs_mount_4_cb, data) != 0) { | |
411 | data->cb(-ENOMEM, nfs, command_data, data->private_data); | |
412 | free_nfs_cb_data(data); | |
413 | return; | |
414 | } | |
415 | } | |
416 | ||
417 | ||
418 | static void nfs_mount_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
419 | { | |
420 | struct nfs_cb_data *data = private_data; | |
421 | struct nfs_context *nfs = data->nfs; | |
422 | ||
423 | if (status == RPC_STATUS_ERROR) { | |
424 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
425 | free_nfs_cb_data(data); | |
426 | return; | |
427 | } | |
428 | if (status == RPC_STATUS_CANCEL) { | |
429 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
430 | free_nfs_cb_data(data); | |
431 | return; | |
432 | } | |
433 | ||
434 | if (rpc_pmap_getport_async(rpc, MOUNT_PROGRAM, MOUNT_V3, nfs_mount_3_cb, private_data) != 0) { | |
435 | data->cb(-ENOMEM, nfs, command_data, data->private_data); | |
436 | free_nfs_cb_data(data); | |
437 | return; | |
438 | } | |
439 | } | |
440 | ||
441 | static void nfs_mount_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
442 | { | |
443 | struct nfs_cb_data *data = private_data; | |
444 | struct nfs_context *nfs = data->nfs; | |
445 | ||
446 | if (status == RPC_STATUS_ERROR) { | |
447 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
448 | free_nfs_cb_data(data); | |
449 | return; | |
450 | } | |
451 | if (status == RPC_STATUS_CANCEL) { | |
452 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
453 | free_nfs_cb_data(data); | |
454 | return; | |
455 | } | |
456 | ||
457 | if (rpc_pmap_null_async(rpc, nfs_mount_2_cb, data) != 0) { | |
458 | data->cb(-ENOMEM, nfs, command_data, data->private_data); | |
459 | free_nfs_cb_data(data); | |
460 | return; | |
461 | } | |
462 | } | |
463 | ||
464 | /* | |
465 | * Async call for mounting an nfs share and geting the root filehandle | |
466 | */ | |
467 | int nfs_mount_async(struct nfs_context *nfs, const char *server, const char *export, nfs_cb cb, void *private_data) | |
468 | { | |
469 | struct nfs_cb_data *data; | |
470 | ||
471 | data = malloc(sizeof(struct nfs_cb_data)); | |
472 | if (data == NULL) { | |
cbbf9d3e | 473 | rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for nfs mount data"); |
84004dbf RS |
474 | return -1; |
475 | } | |
476 | bzero(data, sizeof(struct nfs_cb_data)); | |
477 | nfs->server = strdup(server); | |
478 | nfs->export = strdup(export); | |
479 | data->nfs = nfs; | |
480 | data->cb = cb; | |
481 | data->private_data = private_data; | |
482 | ||
483 | if (rpc_connect_async(nfs->rpc, server, 111, nfs_mount_1_cb, data) != 0) { | |
cbbf9d3e | 484 | rpc_set_error(nfs->rpc, "Failed to start connection"); |
84004dbf | 485 | free_nfs_cb_data(data); |
cbbf9d3e | 486 | return -1; |
84004dbf RS |
487 | } |
488 | ||
489 | return 0; | |
490 | } | |
491 | ||
492 | ||
493 | ||
494 | /* | |
495 | * Functions to first look up a path, component by component, and then finally call a specific function once | |
496 | * the filehandle for the final component is found. | |
497 | */ | |
498 | static void nfs_lookup_path_1_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
499 | { | |
500 | struct nfs_cb_data *data = private_data; | |
501 | struct nfs_context *nfs = data->nfs; | |
502 | LOOKUP3res *res; | |
503 | ||
504 | if (status == RPC_STATUS_ERROR) { | |
505 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
506 | free_nfs_cb_data(data); | |
507 | return; | |
508 | } | |
509 | if (status == RPC_STATUS_CANCEL) { | |
510 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
511 | free_nfs_cb_data(data); | |
512 | return; | |
513 | } | |
514 | ||
515 | res = command_data; | |
516 | if (res->status != NFS3_OK) { | |
517 | rpc_set_error(nfs->rpc, "NFS: Lookup of %s failed with %s(%d)", data->saved_path, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
518 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
519 | free_nfs_cb_data(data); | |
520 | return; | |
521 | } | |
522 | ||
523 | if (nfs_lookup_path_async_internal(nfs, data, &res->LOOKUP3res_u.resok.object) != 0) { | |
524 | rpc_set_error(nfs->rpc, "Failed to create lookup pdu"); | |
525 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
526 | free_nfs_cb_data(data); | |
527 | return; | |
528 | } | |
529 | } | |
530 | ||
531 | static int nfs_lookup_path_async_internal(struct nfs_context *nfs, struct nfs_cb_data *data, struct nfs_fh3 *fh) | |
532 | { | |
533 | char *path, *str; | |
534 | ||
535 | while (*data->path == '/') { | |
536 | data->path++; | |
537 | } | |
538 | ||
539 | path = data->path; | |
540 | str = index(path, '/'); | |
541 | if (str != NULL) { | |
542 | *str = 0; | |
543 | data->path = str+1; | |
544 | } else { | |
545 | while (*data->path != 0) { | |
546 | data->path++; | |
547 | } | |
548 | } | |
549 | ||
550 | if (*path == 0) { | |
551 | data->fh.data.data_len = fh->data.data_len; | |
552 | data->fh.data.data_val = malloc(data->fh.data.data_len); | |
553 | if (data->fh.data.data_val == NULL) { | |
554 | rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh for %s", data->path); | |
555 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
556 | free_nfs_cb_data(data); | |
557 | return -1; | |
558 | } | |
559 | memcpy(data->fh.data.data_val, fh->data.data_val, data->fh.data.data_len); | |
560 | data->continue_cb(nfs, data); | |
561 | return 0; | |
562 | } | |
563 | ||
564 | if (rpc_nfs_lookup_async(nfs->rpc, nfs_lookup_path_1_cb, fh, path, data) != 0) { | |
565 | rpc_set_error(nfs->rpc, "RPC error: Failed to send lookup call for %s", data->path); | |
566 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
567 | free_nfs_cb_data(data); | |
568 | return -1; | |
569 | } | |
570 | return 0; | |
571 | } | |
572 | ||
573 | static int nfs_lookuppath_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data, continue_func continue_cb, void *continue_data, void (*free_continue_data)(void *), int continue_int) | |
574 | { | |
575 | struct nfs_cb_data *data; | |
576 | ||
577 | if (path[0] != '/') { | |
578 | rpc_set_error(nfs->rpc, "Pathname is not absulute %s", path); | |
579 | return -1; | |
580 | } | |
581 | ||
582 | data = malloc(sizeof(struct nfs_cb_data)); | |
583 | if (data == NULL) { | |
584 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
cbbf9d3e | 585 | return -1; |
84004dbf RS |
586 | } |
587 | bzero(data, sizeof(struct nfs_cb_data)); | |
588 | data->nfs = nfs; | |
589 | data->cb = cb; | |
590 | data->continue_cb = continue_cb; | |
591 | data->continue_data = continue_data; | |
592 | data->free_continue_data = free_continue_data; | |
593 | data->continue_int = continue_int; | |
594 | data->private_data = private_data; | |
595 | data->saved_path = strdup(path); | |
596 | if (data->saved_path == NULL) { | |
597 | rpc_set_error(nfs->rpc, "out of memory: failed to copy path string"); | |
84004dbf | 598 | free_nfs_cb_data(data); |
cbbf9d3e | 599 | return -1; |
84004dbf RS |
600 | } |
601 | data->path = data->saved_path; | |
602 | ||
603 | if (nfs_lookup_path_async_internal(nfs, data, &nfs->rootfh) != 0) { | |
84004dbf RS |
604 | /* return 0 here since the callback will be invoked if there is a failure */ |
605 | return 0; | |
606 | } | |
607 | return 0; | |
608 | } | |
609 | ||
610 | ||
611 | ||
612 | ||
613 | ||
614 | /* | |
615 | * Async stat() | |
616 | */ | |
617 | static void nfs_stat_1_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
618 | { | |
619 | GETATTR3res *res; | |
620 | struct nfs_cb_data *data = private_data; | |
621 | struct nfs_context *nfs = data->nfs; | |
622 | struct stat st; | |
623 | ||
624 | if (status == RPC_STATUS_ERROR) { | |
625 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
626 | free_nfs_cb_data(data); | |
627 | return; | |
628 | } | |
629 | if (status == RPC_STATUS_CANCEL) { | |
630 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
631 | free_nfs_cb_data(data); | |
632 | return; | |
633 | } | |
634 | ||
635 | res = command_data; | |
636 | if (res->status != NFS3_OK) { | |
637 | rpc_set_error(nfs->rpc, "NFS: GETATTR of %s failed with %s(%d)", data->saved_path, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
638 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
639 | free_nfs_cb_data(data); | |
640 | return; | |
641 | } | |
642 | ||
643 | st.st_dev = -1; | |
644 | st.st_ino = res->GETATTR3res_u.resok.obj_attributes.fileid; | |
645 | st.st_mode = res->GETATTR3res_u.resok.obj_attributes.mode; | |
646 | st.st_nlink = res->GETATTR3res_u.resok.obj_attributes.nlink; | |
647 | st.st_uid = res->GETATTR3res_u.resok.obj_attributes.uid; | |
648 | st.st_gid = res->GETATTR3res_u.resok.obj_attributes.gid; | |
649 | st.st_rdev = 0; | |
650 | st.st_size = res->GETATTR3res_u.resok.obj_attributes.size; | |
651 | st.st_blksize = 4096; | |
652 | st.st_blocks = res->GETATTR3res_u.resok.obj_attributes.size / 4096; | |
653 | st.st_atime = res->GETATTR3res_u.resok.obj_attributes.atime.seconds; | |
654 | st.st_mtime = res->GETATTR3res_u.resok.obj_attributes.mtime.seconds; | |
655 | st.st_ctime = res->GETATTR3res_u.resok.obj_attributes.ctime.seconds; | |
656 | ||
657 | data->cb(0, nfs, &st, data->private_data); | |
658 | free_nfs_cb_data(data); | |
659 | } | |
660 | ||
661 | static int nfs_stat_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
662 | { | |
663 | if (rpc_nfs_getattr_async(nfs->rpc, nfs_stat_1_cb, &data->fh, data) != 0) { | |
664 | rpc_set_error(nfs->rpc, "RPC error: Failed to send STAT GETATTR call for %s", data->path); | |
665 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
666 | free_nfs_cb_data(data); | |
667 | return -1; | |
668 | } | |
669 | return 0; | |
670 | } | |
671 | ||
672 | int nfs_stat_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
673 | { | |
674 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_stat_continue_internal, NULL, NULL, 0) != 0) { | |
cbbf9d3e | 675 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
676 | return -1; |
677 | } | |
678 | ||
679 | return 0; | |
680 | } | |
681 | ||
682 | ||
683 | ||
684 | ||
685 | ||
686 | /* | |
687 | * Async open() | |
688 | */ | |
689 | static void nfs_open_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
690 | { | |
691 | ACCESS3res *res; | |
692 | struct nfs_cb_data *data = private_data; | |
693 | struct nfs_context *nfs = data->nfs; | |
694 | struct nfsfh *nfsfh; | |
695 | unsigned int nfsmode = 0; | |
696 | ||
697 | if (status == RPC_STATUS_ERROR) { | |
698 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
699 | free_nfs_cb_data(data); | |
700 | return; | |
701 | } | |
702 | if (status == RPC_STATUS_CANCEL) { | |
703 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
704 | free_nfs_cb_data(data); | |
705 | return; | |
706 | } | |
707 | ||
708 | res = command_data; | |
709 | if (res->status != NFS3_OK) { | |
710 | rpc_set_error(nfs->rpc, "NFS: ACCESS of %s failed with %s(%d)", data->saved_path, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
711 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
712 | free_nfs_cb_data(data); | |
713 | return; | |
714 | } | |
715 | ||
716 | if (data->continue_int & O_WRONLY) { | |
717 | nfsmode |= ACCESS3_MODIFY; | |
718 | } | |
719 | if (data->continue_int & O_RDWR) { | |
720 | nfsmode |= ACCESS3_READ|ACCESS3_MODIFY; | |
721 | } | |
722 | if (!(data->continue_int & (O_WRONLY|O_RDWR))) { | |
723 | nfsmode |= ACCESS3_READ; | |
724 | } | |
725 | ||
726 | ||
727 | if (res->ACCESS3res_u.resok.access != nfsmode) { | |
728 | rpc_set_error(nfs->rpc, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c", | |
729 | nfsmode&ACCESS3_READ?'r':'-', | |
730 | nfsmode&ACCESS3_MODIFY?'w':'-', | |
731 | nfsmode&ACCESS3_EXECUTE?'x':'-', | |
732 | res->ACCESS3res_u.resok.access&ACCESS3_READ?'r':'-', | |
733 | res->ACCESS3res_u.resok.access&ACCESS3_MODIFY?'w':'-', | |
734 | res->ACCESS3res_u.resok.access&ACCESS3_EXECUTE?'x':'-'); | |
735 | data->cb(-EACCES, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
736 | free_nfs_cb_data(data); | |
737 | return; | |
738 | } | |
739 | ||
740 | nfsfh = malloc(sizeof(struct nfsfh)); | |
741 | if (nfsfh == NULL) { | |
742 | rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure"); | |
743 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
744 | free_nfs_cb_data(data); | |
745 | return; | |
746 | } | |
747 | bzero(nfsfh, sizeof(struct nfsfh)); | |
748 | ||
749 | if (data->continue_int & O_SYNC) { | |
750 | nfsfh->is_sync = 1; | |
751 | } | |
752 | ||
753 | /* steal the filehandle */ | |
754 | nfsfh->fh.data.data_len = data->fh.data.data_len; | |
755 | nfsfh->fh.data.data_val = data->fh.data.data_val; | |
756 | data->fh.data.data_val = NULL; | |
757 | ||
758 | data->cb(0, nfs, nfsfh, data->private_data); | |
759 | free_nfs_cb_data(data); | |
760 | } | |
761 | ||
762 | static int nfs_open_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
763 | { | |
764 | int nfsmode = 0; | |
765 | ||
766 | if (data->continue_int & O_WRONLY) { | |
767 | nfsmode |= ACCESS3_MODIFY; | |
768 | } | |
769 | if (data->continue_int & O_RDWR) { | |
770 | nfsmode |= ACCESS3_READ|ACCESS3_MODIFY; | |
771 | } | |
772 | if (!(data->continue_int & (O_WRONLY|O_RDWR))) { | |
773 | nfsmode |= ACCESS3_READ; | |
774 | } | |
775 | ||
776 | if (rpc_nfs_access_async(nfs->rpc, nfs_open_cb, &data->fh, nfsmode, data) != 0) { | |
777 | rpc_set_error(nfs->rpc, "RPC error: Failed to send OPEN ACCESS call for %s", data->path); | |
778 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
779 | free_nfs_cb_data(data); | |
780 | return -1; | |
781 | } | |
782 | return 0; | |
783 | } | |
784 | ||
785 | int nfs_open_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data) | |
786 | { | |
787 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_open_continue_internal, NULL, NULL, mode) != 0) { | |
cbbf9d3e RS |
788 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
789 | return -1; | |
84004dbf RS |
790 | } |
791 | ||
792 | return 0; | |
793 | } | |
794 | ||
795 | ||
796 | ||
797 | ||
798 | ||
799 | /* | |
800 | * Async pread() | |
801 | */ | |
802 | static void nfs_pread_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
803 | { | |
804 | struct nfs_cb_data *data = private_data; | |
805 | struct nfs_context *nfs = data->nfs; | |
806 | READ3res *res; | |
807 | ||
808 | if (status == RPC_STATUS_ERROR) { | |
809 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
810 | free_nfs_cb_data(data); | |
811 | return; | |
812 | } | |
813 | if (status == RPC_STATUS_CANCEL) { | |
814 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
815 | free_nfs_cb_data(data); | |
816 | return; | |
817 | } | |
818 | ||
819 | res = command_data; | |
820 | if (res->status != NFS3_OK) { | |
821 | rpc_set_error(nfs->rpc, "NFS: Read failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
822 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
823 | free_nfs_cb_data(data); | |
824 | return; | |
825 | } | |
826 | ||
827 | data->nfsfh->offset += res->READ3res_u.resok.count; | |
828 | data->cb(res->READ3res_u.resok.count, nfs, res->READ3res_u.resok.data.data_val, data->private_data); | |
829 | free_nfs_cb_data(data); | |
830 | } | |
831 | ||
921f877b RS |
832 | static void nfs_pread_mcb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) |
833 | { | |
834 | struct nfs_mcb_data *mdata = private_data; | |
835 | struct nfs_cb_data *data = mdata->data; | |
836 | struct nfs_context *nfs = data->nfs; | |
837 | READ3res *res; | |
838 | ||
839 | data->num_calls--; | |
840 | ||
841 | if (status == RPC_STATUS_ERROR) { | |
842 | /* flag the failure but do not invoke callback until we have received all responses */ | |
843 | data->error = 1; | |
844 | } | |
845 | if (status == RPC_STATUS_CANCEL) { | |
846 | /* flag the cancellation but do not invoke callback until we have received all responses */ | |
847 | data->cancel = 1; | |
848 | } | |
849 | ||
850 | /* reassemble the data into the buffer */ | |
851 | if (status == RPC_STATUS_SUCCESS) { | |
852 | res = command_data; | |
853 | if (res->status != NFS3_OK) { | |
854 | rpc_set_error(nfs->rpc, "NFS: Read failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
855 | data->error = 1; | |
856 | } else { | |
857 | memcpy(&data->buffer[mdata->offset], res->READ3res_u.resok.data.data_val, res->READ3res_u.resok.count); | |
5f9d02f8 | 858 | if ((unsigned)data->max_offset < mdata->offset + res->READ3res_u.resok.count) { |
921f877b RS |
859 | data->max_offset = mdata->offset + res->READ3res_u.resok.count; |
860 | } | |
861 | } | |
862 | } | |
863 | ||
864 | if (data->num_calls > 0) { | |
865 | /* still waiting for more replies */ | |
866 | free(mdata); | |
867 | return; | |
868 | } | |
869 | ||
870 | ||
871 | if (data->error != 0) { | |
872 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
873 | free_nfs_cb_data(data); | |
874 | free(mdata); | |
875 | return; | |
876 | } | |
877 | if (data->cancel != 0) { | |
878 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
879 | free_nfs_cb_data(data); | |
880 | free(mdata); | |
881 | return; | |
882 | } | |
883 | ||
884 | data->nfsfh->offset = data->max_offset; | |
885 | data->cb(data->max_offset - data->start_offset, nfs, data->buffer, data->private_data); | |
886 | free_nfs_cb_data(data); | |
887 | free(mdata); | |
888 | } | |
889 | ||
84004dbf RS |
890 | int nfs_pread_async(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t offset, size_t count, nfs_cb cb, void *private_data) |
891 | { | |
892 | struct nfs_cb_data *data; | |
893 | ||
894 | data = malloc(sizeof(struct nfs_cb_data)); | |
895 | if (data == NULL) { | |
896 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
84004dbf RS |
897 | return -1; |
898 | } | |
899 | bzero(data, sizeof(struct nfs_cb_data)); | |
900 | data->nfs = nfs; | |
901 | data->cb = cb; | |
902 | data->private_data = private_data; | |
903 | data->nfsfh = nfsfh; | |
904 | ||
905 | nfsfh->offset = offset; | |
921f877b RS |
906 | |
907 | if (count <= nfs_get_readmax(nfs)) { | |
908 | if (rpc_nfs_read_async(nfs->rpc, nfs_pread_cb, &nfsfh->fh, offset, count, data) != 0) { | |
909 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READ call for %s", data->path); | |
910 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
911 | free_nfs_cb_data(data); | |
912 | return -1; | |
913 | } | |
914 | return 0; | |
915 | } | |
916 | ||
917 | /* trying to read more than maximum server read size, we has to chop it up into smaller | |
918 | * reads and collect into a reassembly buffer. | |
919 | * we send all reads in parallell so that performance is still good. | |
920 | */ | |
921 | data->start_offset = offset; | |
922 | ||
923 | data->buffer = malloc(count); | |
924 | if (data->buffer == NULL) { | |
925 | rpc_set_error(nfs->rpc, "Out-Of-Memory: Failed to allocate reassembly buffer for %d bytes", (int)count); | |
84004dbf RS |
926 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); |
927 | free_nfs_cb_data(data); | |
928 | return -1; | |
929 | } | |
921f877b RS |
930 | |
931 | while (count > 0) { | |
932 | size_t readcount = count; | |
933 | struct nfs_mcb_data *mdata; | |
934 | ||
935 | if (readcount > nfs_get_readmax(nfs)) { | |
936 | readcount = nfs_get_readmax(nfs); | |
937 | } | |
938 | ||
939 | mdata = malloc(sizeof(struct nfs_mcb_data)); | |
940 | if (mdata == NULL) { | |
941 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_mcb_data structure"); | |
921f877b RS |
942 | return -1; |
943 | } | |
944 | bzero(mdata, sizeof(struct nfs_mcb_data)); | |
945 | mdata->data = data; | |
946 | mdata->offset = offset; | |
947 | mdata->count = readcount; | |
948 | ||
949 | if (rpc_nfs_read_async(nfs->rpc, nfs_pread_mcb, &nfsfh->fh, offset, readcount, mdata) != 0) { | |
950 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READ call for %s", data->path); | |
951 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
952 | free(mdata); | |
953 | return -1; | |
954 | } | |
955 | ||
956 | count -= readcount; | |
957 | offset += readcount; | |
958 | data->num_calls++; | |
959 | } | |
960 | ||
961 | return 0; | |
84004dbf RS |
962 | } |
963 | ||
964 | /* | |
965 | * Async read() | |
966 | */ | |
967 | int nfs_read_async(struct nfs_context *nfs, struct nfsfh *nfsfh, size_t count, nfs_cb cb, void *private_data) | |
968 | { | |
969 | return nfs_pread_async(nfs, nfsfh, nfsfh->offset, count, cb, private_data); | |
970 | } | |
971 | ||
972 | ||
973 | ||
974 | /* | |
975 | * Async pwrite() | |
976 | */ | |
977 | static void nfs_pwrite_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
978 | { | |
979 | struct nfs_cb_data *data = private_data; | |
980 | struct nfs_context *nfs = data->nfs; | |
981 | WRITE3res *res; | |
982 | ||
983 | if (status == RPC_STATUS_ERROR) { | |
984 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
985 | free_nfs_cb_data(data); | |
986 | return; | |
987 | } | |
988 | if (status == RPC_STATUS_CANCEL) { | |
989 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
990 | free_nfs_cb_data(data); | |
991 | return; | |
992 | } | |
993 | ||
994 | res = command_data; | |
995 | if (res->status != NFS3_OK) { | |
996 | rpc_set_error(nfs->rpc, "NFS: Write failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
997 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
998 | free_nfs_cb_data(data); | |
999 | return; | |
1000 | } | |
1001 | ||
1002 | data->nfsfh->offset += res->WRITE3res_u.resok.count; | |
1003 | data->cb(res->WRITE3res_u.resok.count, nfs, NULL, data->private_data); | |
1004 | free_nfs_cb_data(data); | |
1005 | } | |
1006 | ||
1007 | int nfs_pwrite_async(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t offset, size_t count, char *buf, nfs_cb cb, void *private_data) | |
1008 | { | |
1009 | struct nfs_cb_data *data; | |
1010 | ||
1011 | data = malloc(sizeof(struct nfs_cb_data)); | |
1012 | if (data == NULL) { | |
1013 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
84004dbf RS |
1014 | return -1; |
1015 | } | |
1016 | bzero(data, sizeof(struct nfs_cb_data)); | |
1017 | data->nfs = nfs; | |
1018 | data->cb = cb; | |
1019 | data->private_data = private_data; | |
1020 | data->nfsfh = nfsfh; | |
1021 | ||
1022 | nfsfh->offset = offset; | |
1023 | if (rpc_nfs_write_async(nfs->rpc, nfs_pwrite_cb, &nfsfh->fh, buf, offset, count, nfsfh->is_sync?FILE_SYNC:UNSTABLE, data) != 0) { | |
1024 | rpc_set_error(nfs->rpc, "RPC error: Failed to send WRITE call for %s", data->path); | |
1025 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1026 | free_nfs_cb_data(data); | |
1027 | return -1; | |
1028 | } | |
1029 | return 0; | |
1030 | } | |
1031 | ||
1032 | /* | |
1033 | * Async write() | |
1034 | */ | |
1035 | int nfs_write_async(struct nfs_context *nfs, struct nfsfh *nfsfh, size_t count, char *buf, nfs_cb cb, void *private_data) | |
1036 | { | |
1037 | return nfs_pwrite_async(nfs, nfsfh, nfsfh->offset, count, buf, cb, private_data); | |
1038 | } | |
1039 | ||
1040 | ||
1041 | ||
1042 | ||
1043 | /* | |
1044 | * close | |
1045 | */ | |
1046 | ||
1047 | int nfs_close_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data) | |
1048 | { | |
1049 | if (nfsfh->fh.data.data_val != NULL){ | |
1050 | free(nfsfh->fh.data.data_val); | |
1051 | nfsfh->fh.data.data_val = NULL; | |
1052 | } | |
1053 | free(nfsfh); | |
1054 | ||
1055 | cb(0, nfs, NULL, private_data); | |
1056 | return 0; | |
1057 | }; | |
1058 | ||
1059 | ||
1060 | ||
1061 | ||
1062 | ||
1063 | /* | |
1064 | * Async fstat() | |
1065 | */ | |
1066 | int nfs_fstat_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data) | |
1067 | { | |
1068 | struct nfs_cb_data *data; | |
1069 | ||
1070 | data = malloc(sizeof(struct nfs_cb_data)); | |
1071 | if (data == NULL) { | |
1072 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
84004dbf RS |
1073 | return -1; |
1074 | } | |
1075 | bzero(data, sizeof(struct nfs_cb_data)); | |
1076 | data->nfs = nfs; | |
1077 | data->cb = cb; | |
1078 | data->private_data = private_data; | |
1079 | ||
1080 | if (rpc_nfs_getattr_async(nfs->rpc, nfs_stat_1_cb, &nfsfh->fh, data) != 0) { | |
1081 | rpc_set_error(nfs->rpc, "RPC error: Failed to send STAT GETATTR call for %s", data->path); | |
1082 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1083 | free_nfs_cb_data(data); | |
1084 | return -1; | |
1085 | } | |
1086 | return 0; | |
1087 | } | |
1088 | ||
1089 | ||
1090 | ||
1091 | /* | |
1092 | * Async fsync() | |
1093 | */ | |
1094 | static void nfs_fsync_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
1095 | { | |
1096 | struct nfs_cb_data *data = private_data; | |
1097 | struct nfs_context *nfs = data->nfs; | |
1098 | COMMIT3res *res; | |
1099 | ||
1100 | if (status == RPC_STATUS_ERROR) { | |
1101 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1102 | free_nfs_cb_data(data); | |
1103 | return; | |
1104 | } | |
1105 | if (status == RPC_STATUS_CANCEL) { | |
1106 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1107 | free_nfs_cb_data(data); | |
1108 | return; | |
1109 | } | |
1110 | ||
1111 | res = command_data; | |
1112 | if (res->status != NFS3_OK) { | |
1113 | rpc_set_error(nfs->rpc, "NFS: Commit failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
1114 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1115 | free_nfs_cb_data(data); | |
1116 | return; | |
1117 | } | |
1118 | ||
1119 | data->cb(0, nfs, NULL, data->private_data); | |
1120 | free_nfs_cb_data(data); | |
1121 | } | |
1122 | ||
1123 | int nfs_fsync_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data) | |
1124 | { | |
1125 | struct nfs_cb_data *data; | |
1126 | ||
1127 | data = malloc(sizeof(struct nfs_cb_data)); | |
1128 | if (data == NULL) { | |
1129 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
84004dbf RS |
1130 | return -1; |
1131 | } | |
1132 | bzero(data, sizeof(struct nfs_cb_data)); | |
1133 | data->nfs = nfs; | |
1134 | data->cb = cb; | |
1135 | data->private_data = private_data; | |
1136 | ||
1137 | if (rpc_nfs_commit_async(nfs->rpc, nfs_fsync_cb, &nfsfh->fh, data) != 0) { | |
1138 | rpc_set_error(nfs->rpc, "RPC error: Failed to send COMMIT call for %s", data->path); | |
1139 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1140 | free_nfs_cb_data(data); | |
1141 | return -1; | |
1142 | } | |
1143 | return 0; | |
1144 | } | |
1145 | ||
1146 | ||
1147 | ||
1148 | ||
1149 | /* | |
1150 | * Async ftruncate() | |
1151 | */ | |
1152 | static void nfs_ftruncate_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
1153 | { | |
1154 | struct nfs_cb_data *data = private_data; | |
1155 | struct nfs_context *nfs = data->nfs; | |
1156 | SETATTR3res *res; | |
1157 | ||
1158 | if (status == RPC_STATUS_ERROR) { | |
1159 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1160 | free_nfs_cb_data(data); | |
1161 | return; | |
1162 | } | |
1163 | if (status == RPC_STATUS_CANCEL) { | |
1164 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1165 | free_nfs_cb_data(data); | |
1166 | return; | |
1167 | } | |
1168 | ||
1169 | res = command_data; | |
1170 | if (res->status != NFS3_OK) { | |
1171 | rpc_set_error(nfs->rpc, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
1172 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1173 | free_nfs_cb_data(data); | |
1174 | return; | |
1175 | } | |
1176 | ||
1177 | data->cb(0, nfs, NULL, data->private_data); | |
1178 | free_nfs_cb_data(data); | |
1179 | } | |
1180 | ||
1181 | int nfs_ftruncate_async(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t length, nfs_cb cb, void *private_data) | |
1182 | { | |
1183 | struct nfs_cb_data *data; | |
1184 | SETATTR3args args; | |
1185 | ||
1186 | data = malloc(sizeof(struct nfs_cb_data)); | |
1187 | if (data == NULL) { | |
1188 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
84004dbf RS |
1189 | return -1; |
1190 | } | |
1191 | bzero(data, sizeof(struct nfs_cb_data)); | |
1192 | data->nfs = nfs; | |
1193 | data->cb = cb; | |
1194 | data->private_data = private_data; | |
1195 | ||
1196 | bzero(&args, sizeof(SETATTR3args)); | |
1197 | args.object.data.data_len = nfsfh->fh.data.data_len; | |
1198 | args.object.data.data_val = nfsfh->fh.data.data_val; | |
1199 | args.new_attributes.size.set_it = 1; | |
1200 | args.new_attributes.size.set_size3_u.size = length; | |
1201 | ||
1202 | if (rpc_nfs_setattr_async(nfs->rpc, nfs_ftruncate_cb, &args, data) != 0) { | |
1203 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path); | |
1204 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1205 | free_nfs_cb_data(data); | |
1206 | return -1; | |
1207 | } | |
1208 | return 0; | |
1209 | } | |
1210 | ||
1211 | ||
1212 | /* | |
1213 | * Async truncate() | |
1214 | */ | |
1215 | static int nfs_truncate_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
1216 | { | |
1217 | off_t offset = data->continue_int; | |
1218 | struct nfsfh nfsfh; | |
1219 | ||
1220 | nfsfh.fh.data.data_val = data->fh.data.data_val; | |
1221 | nfsfh.fh.data.data_len = data->fh.data.data_len; | |
1222 | ||
1223 | if (nfs_ftruncate_async(nfs, &nfsfh, offset, data->cb, data->private_data) != 0) { | |
1224 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path); | |
1225 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1226 | free_nfs_cb_data(data); | |
1227 | return -1; | |
1228 | } | |
1229 | free_nfs_cb_data(data); | |
1230 | return 0; | |
1231 | } | |
1232 | ||
1233 | int nfs_truncate_async(struct nfs_context *nfs, const char *path, off_t length, nfs_cb cb, void *private_data) | |
1234 | { | |
1235 | off_t offset; | |
1236 | ||
1237 | offset = length; | |
1238 | ||
1239 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_truncate_continue_internal, NULL, NULL, offset) != 0) { | |
cbbf9d3e RS |
1240 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
1241 | return -1; | |
84004dbf RS |
1242 | } |
1243 | ||
1244 | return 0; | |
1245 | } | |
1246 | ||
1247 | ||
1248 | ||
1249 | ||
1250 | /* | |
1251 | * Async mkdir() | |
1252 | */ | |
1253 | static void nfs_mkdir_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
1254 | { | |
1255 | MKDIR3res *res; | |
1256 | struct nfs_cb_data *data = private_data; | |
1257 | struct nfs_context *nfs = data->nfs; | |
1258 | char *str = data->continue_data; | |
1259 | ||
1260 | str = &str[strlen(str) + 1]; | |
1261 | ||
1262 | if (status == RPC_STATUS_ERROR) { | |
1263 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1264 | free_nfs_cb_data(data); | |
1265 | return; | |
1266 | } | |
1267 | if (status == RPC_STATUS_CANCEL) { | |
1268 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1269 | free_nfs_cb_data(data); | |
1270 | return; | |
1271 | } | |
1272 | ||
1273 | res = command_data; | |
1274 | if (res->status != NFS3_OK) { | |
1275 | rpc_set_error(nfs->rpc, "NFS: MKDIR of %s/%s failed with %s(%d)", data->saved_path, str, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
1276 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1277 | free_nfs_cb_data(data); | |
1278 | return; | |
1279 | } | |
1280 | ||
1281 | data->cb(0, nfs, NULL, data->private_data); | |
1282 | free_nfs_cb_data(data); | |
1283 | } | |
1284 | ||
1285 | static int nfs_mkdir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
1286 | { | |
1287 | char *str = data->continue_data; | |
1288 | ||
1289 | str = &str[strlen(str) + 1]; | |
1290 | ||
1291 | if (rpc_nfs_mkdir_async(nfs->rpc, nfs_mkdir_cb, &data->fh, str, data) != 0) { | |
1292 | rpc_set_error(nfs->rpc, "RPC error: Failed to send MKDIR call for %s", data->path); | |
1293 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1294 | free_nfs_cb_data(data); | |
1295 | return -1; | |
1296 | } | |
1297 | return 0; | |
1298 | } | |
1299 | ||
1300 | int nfs_mkdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
1301 | { | |
1302 | char *new_path; | |
1303 | char *ptr; | |
1304 | ||
1305 | new_path = strdup(path); | |
1306 | if (new_path == NULL) { | |
cbbf9d3e | 1307 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path"); |
84004dbf RS |
1308 | return -1; |
1309 | } | |
1310 | ||
1311 | ptr = rindex(new_path, '/'); | |
1312 | if (ptr == NULL) { | |
cbbf9d3e RS |
1313 | rpc_set_error(nfs->rpc, "Invalid path %s", path); |
1314 | return -1; | |
84004dbf RS |
1315 | } |
1316 | *ptr = 0; | |
1317 | ||
1318 | /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */ | |
1319 | if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_mkdir_continue_internal, new_path, free, 0) != 0) { | |
cbbf9d3e RS |
1320 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path component"); |
1321 | return -1; | |
84004dbf RS |
1322 | } |
1323 | ||
1324 | return 0; | |
1325 | } | |
1326 | ||
1327 | ||
1328 | ||
1329 | ||
1330 | ||
1331 | /* | |
1332 | * Async rmdir() | |
1333 | */ | |
1334 | static void nfs_rmdir_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
1335 | { | |
1336 | RMDIR3res *res; | |
1337 | struct nfs_cb_data *data = private_data; | |
1338 | struct nfs_context *nfs = data->nfs; | |
1339 | char *str = data->continue_data; | |
1340 | ||
1341 | str = &str[strlen(str) + 1]; | |
1342 | ||
1343 | if (status == RPC_STATUS_ERROR) { | |
1344 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1345 | free_nfs_cb_data(data); | |
1346 | return; | |
1347 | } | |
1348 | if (status == RPC_STATUS_CANCEL) { | |
1349 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1350 | free_nfs_cb_data(data); | |
1351 | return; | |
1352 | } | |
1353 | ||
1354 | res = command_data; | |
1355 | if (res->status != NFS3_OK) { | |
1356 | rpc_set_error(nfs->rpc, "NFS: RMDIR of %s/%s failed with %s(%d)", data->saved_path, str, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
1357 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1358 | free_nfs_cb_data(data); | |
1359 | return; | |
1360 | } | |
1361 | ||
1362 | data->cb(0, nfs, NULL, data->private_data); | |
1363 | free_nfs_cb_data(data); | |
1364 | } | |
1365 | ||
1366 | static int nfs_rmdir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
1367 | { | |
1368 | char *str = data->continue_data; | |
1369 | ||
1370 | str = &str[strlen(str) + 1]; | |
1371 | ||
1372 | if (rpc_nfs_rmdir_async(nfs->rpc, nfs_rmdir_cb, &data->fh, str, data) != 0) { | |
1373 | rpc_set_error(nfs->rpc, "RPC error: Failed to send RMDIR call for %s", data->path); | |
1374 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1375 | free_nfs_cb_data(data); | |
1376 | return -1; | |
1377 | } | |
1378 | return 0; | |
1379 | } | |
1380 | ||
1381 | int nfs_rmdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
1382 | { | |
1383 | char *new_path; | |
1384 | char *ptr; | |
1385 | ||
1386 | new_path = strdup(path); | |
1387 | if (new_path == NULL) { | |
cbbf9d3e | 1388 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path"); |
84004dbf RS |
1389 | return -1; |
1390 | } | |
1391 | ||
1392 | ptr = rindex(new_path, '/'); | |
1393 | if (ptr == NULL) { | |
cbbf9d3e RS |
1394 | rpc_set_error(nfs->rpc, "Invalid path %s", path); |
1395 | return -1; | |
84004dbf RS |
1396 | } |
1397 | *ptr = 0; | |
1398 | ||
1399 | /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */ | |
1400 | if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_rmdir_continue_internal, new_path, free, 0) != 0) { | |
cbbf9d3e RS |
1401 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
1402 | return -1; | |
84004dbf RS |
1403 | } |
1404 | ||
1405 | return 0; | |
1406 | } | |
1407 | ||
1408 | ||
1409 | ||
1410 | ||
1411 | /* | |
1412 | * Async creat() | |
1413 | */ | |
1414 | static void nfs_create_2_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
1415 | { | |
1416 | LOOKUP3res *res; | |
1417 | struct nfs_cb_data *data = private_data; | |
1418 | struct nfs_context *nfs = data->nfs; | |
1419 | struct nfsfh *nfsfh; | |
1420 | char *str = data->continue_data; | |
1421 | ||
1422 | if (status == RPC_STATUS_ERROR) { | |
1423 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1424 | free_nfs_cb_data(data); | |
1425 | return; | |
1426 | } | |
1427 | if (status == RPC_STATUS_CANCEL) { | |
1428 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1429 | free_nfs_cb_data(data); | |
1430 | return; | |
1431 | } | |
1432 | ||
1433 | str = &str[strlen(str) + 1]; | |
1434 | res = command_data; | |
1435 | if (res->status != NFS3_OK) { | |
1436 | rpc_set_error(nfs->rpc, "NFS: CREATE of %s/%s failed with %s(%d)", data->saved_path, str, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
1437 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1438 | ||
1439 | return; | |
1440 | } | |
1441 | ||
1442 | nfsfh = malloc(sizeof(struct nfsfh)); | |
1443 | if (nfsfh == NULL) { | |
1444 | rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure"); | |
1445 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1446 | free_nfs_cb_data(data); | |
1447 | return; | |
1448 | } | |
1449 | bzero(nfsfh, sizeof(struct nfsfh)); | |
1450 | ||
1451 | /* steal the filehandle */ | |
1452 | nfsfh->fh.data.data_len = data->fh.data.data_len; | |
1453 | nfsfh->fh.data.data_val = data->fh.data.data_val; | |
1454 | data->fh.data.data_val = NULL; | |
1455 | ||
1456 | data->cb(0, nfs, nfsfh, data->private_data); | |
1457 | free_nfs_cb_data(data); | |
1458 | } | |
1459 | ||
1460 | ||
1461 | ||
1462 | static void nfs_creat_1_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
1463 | { | |
1464 | CREATE3res *res; | |
1465 | struct nfs_cb_data *data = private_data; | |
1466 | struct nfs_context *nfs = data->nfs; | |
1467 | char *str = data->continue_data; | |
1468 | ||
1469 | if (status == RPC_STATUS_ERROR) { | |
1470 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1471 | free_nfs_cb_data(data); | |
1472 | return; | |
1473 | } | |
1474 | if (status == RPC_STATUS_CANCEL) { | |
1475 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1476 | free_nfs_cb_data(data); | |
1477 | return; | |
1478 | } | |
1479 | ||
1480 | str = &str[strlen(str) + 1]; | |
1481 | res = command_data; | |
1482 | if (res->status != NFS3_OK) { | |
1483 | rpc_set_error(nfs->rpc, "NFS: CREATE of %s/%s failed with %s(%d)", data->saved_path, str, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
1484 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1485 | ||
1486 | return; | |
1487 | } | |
1488 | ||
1489 | if (rpc_nfs_lookup_async(nfs->rpc, nfs_create_2_cb, &data->fh, str, data) != 0) { | |
1490 | rpc_set_error(nfs->rpc, "RPC error: Failed to send lookup call for %s/%s", data->saved_path, str); | |
1491 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1492 | free_nfs_cb_data(data); | |
1493 | return; | |
1494 | } | |
1495 | return; | |
1496 | } | |
1497 | ||
1498 | static int nfs_creat_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
1499 | { | |
1500 | char *str = data->continue_data; | |
1501 | ||
1502 | str = &str[strlen(str) + 1]; | |
1503 | ||
1504 | if (rpc_nfs_create_async(nfs->rpc, nfs_creat_1_cb, &data->fh, str, data->continue_int, data) != 0) { | |
1505 | rpc_set_error(nfs->rpc, "RPC error: Failed to send CREATE call for %s/%s", data->path, str); | |
1506 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1507 | free_nfs_cb_data(data); | |
1508 | return -1; | |
1509 | } | |
1510 | return 0; | |
1511 | } | |
1512 | ||
1513 | int nfs_creat_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data) | |
1514 | { | |
1515 | char *new_path; | |
1516 | char *ptr; | |
1517 | ||
1518 | new_path = strdup(path); | |
1519 | if (new_path == NULL) { | |
cbbf9d3e | 1520 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path"); |
84004dbf RS |
1521 | return -1; |
1522 | } | |
1523 | ||
1524 | ptr = rindex(new_path, '/'); | |
1525 | if (ptr == NULL) { | |
cbbf9d3e RS |
1526 | rpc_set_error(nfs->rpc, "Invalid path %s", path); |
1527 | return -1; | |
84004dbf RS |
1528 | } |
1529 | *ptr = 0; | |
1530 | ||
1531 | /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */ | |
1532 | if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_creat_continue_internal, new_path, free, mode) != 0) { | |
cbbf9d3e RS |
1533 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
1534 | return -1; | |
84004dbf RS |
1535 | } |
1536 | ||
1537 | return 0; | |
1538 | } | |
1539 | ||
1540 | ||
1541 | ||
1542 | ||
1543 | /* | |
1544 | * Async unlink() | |
1545 | */ | |
1546 | static void nfs_unlink_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
1547 | { | |
1548 | REMOVE3res *res; | |
1549 | struct nfs_cb_data *data = private_data; | |
1550 | struct nfs_context *nfs = data->nfs; | |
1551 | char *str = data->continue_data; | |
1552 | ||
1553 | str = &str[strlen(str) + 1]; | |
1554 | ||
1555 | if (status == RPC_STATUS_ERROR) { | |
1556 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1557 | free_nfs_cb_data(data); | |
1558 | return; | |
1559 | } | |
1560 | if (status == RPC_STATUS_CANCEL) { | |
1561 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1562 | free_nfs_cb_data(data); | |
1563 | return; | |
1564 | } | |
1565 | ||
1566 | res = command_data; | |
1567 | if (res->status != NFS3_OK) { | |
1568 | rpc_set_error(nfs->rpc, "NFS: REMOVE of %s/%s failed with %s(%d)", data->saved_path, str, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
1569 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1570 | free_nfs_cb_data(data); | |
1571 | return; | |
1572 | } | |
1573 | ||
1574 | data->cb(0, nfs, NULL, data->private_data); | |
1575 | free_nfs_cb_data(data); | |
1576 | } | |
1577 | ||
1578 | static int nfs_unlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
1579 | { | |
1580 | char *str = data->continue_data; | |
1581 | ||
1582 | str = &str[strlen(str) + 1]; | |
1583 | ||
1584 | if (rpc_nfs_remove_async(nfs->rpc, nfs_unlink_cb, &data->fh, str, data) != 0) { | |
1585 | rpc_set_error(nfs->rpc, "RPC error: Failed to send REMOVE call for %s", data->path); | |
1586 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1587 | free_nfs_cb_data(data); | |
1588 | return -1; | |
1589 | } | |
1590 | return 0; | |
1591 | } | |
1592 | ||
1593 | int nfs_unlink_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
1594 | { | |
1595 | char *new_path; | |
1596 | char *ptr; | |
1597 | ||
1598 | new_path = strdup(path); | |
1599 | if (new_path == NULL) { | |
cbbf9d3e | 1600 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path"); |
84004dbf RS |
1601 | return -1; |
1602 | } | |
1603 | ||
1604 | ptr = rindex(new_path, '/'); | |
1605 | if (ptr == NULL) { | |
cbbf9d3e RS |
1606 | rpc_set_error(nfs->rpc, "Invalid path %s", path); |
1607 | return -1; | |
84004dbf RS |
1608 | } |
1609 | *ptr = 0; | |
1610 | ||
1611 | /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */ | |
1612 | if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_unlink_continue_internal, new_path, free, 0) != 0) { | |
cbbf9d3e RS |
1613 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
1614 | return -1; | |
84004dbf RS |
1615 | } |
1616 | ||
1617 | return 0; | |
1618 | } | |
1619 | ||
1620 | ||
1621 | ||
1622 | ||
1623 | ||
1624 | /* | |
1625 | * Async opendir() | |
1626 | */ | |
1627 | static void nfs_opendir_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
1628 | { | |
1629 | READDIR3res *res; | |
1630 | struct nfs_cb_data *data = private_data; | |
1631 | struct nfs_context *nfs = data->nfs; | |
1632 | struct nfsdir *nfsdir = data->continue_data;; | |
1633 | struct entry3 *entry; | |
1634 | uint64_t cookie; | |
1635 | ||
1636 | if (status == RPC_STATUS_ERROR) { | |
1637 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1638 | nfs_free_nfsdir(nfsdir); | |
1639 | data->continue_data = NULL; | |
1640 | free_nfs_cb_data(data); | |
1641 | return; | |
1642 | } | |
1643 | if (status == RPC_STATUS_CANCEL) { | |
1644 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1645 | nfs_free_nfsdir(nfsdir); | |
1646 | data->continue_data = NULL; | |
1647 | free_nfs_cb_data(data); | |
1648 | return; | |
1649 | } | |
1650 | ||
1651 | res = command_data; | |
1652 | if (res->status != NFS3_OK) { | |
1653 | rpc_set_error(nfs->rpc, "NFS: READDIR of %s failed with %s(%d)", data->saved_path, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
1654 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1655 | nfs_free_nfsdir(nfsdir); | |
1656 | data->continue_data = NULL; | |
1657 | free_nfs_cb_data(data); | |
1658 | return; | |
1659 | } | |
1660 | ||
1661 | entry =res->READDIR3res_u.resok.reply.entries; | |
1662 | while (entry != NULL) { | |
1663 | struct nfsdirent *nfsdirent; | |
1664 | ||
1665 | nfsdirent = malloc(sizeof(struct nfsdirent)); | |
1666 | if (nfsdirent == NULL) { | |
1667 | data->cb(-ENOMEM, nfs, "Failed to allocate dirent", data->private_data); | |
1668 | nfs_free_nfsdir(nfsdir); | |
1669 | data->continue_data = NULL; | |
1670 | free_nfs_cb_data(data); | |
1671 | return; | |
1672 | } | |
1673 | bzero(nfsdirent, sizeof(struct nfsdirent)); | |
1674 | nfsdirent->name = strdup(entry->name); | |
1675 | if (nfsdirent->name == NULL) { | |
1676 | data->cb(-ENOMEM, nfs, "Failed to allocate dirent->name", data->private_data); | |
1677 | nfs_free_nfsdir(nfsdir); | |
1678 | data->continue_data = NULL; | |
1679 | free_nfs_cb_data(data); | |
1680 | return; | |
1681 | } | |
1682 | nfsdirent->inode = entry->fileid; | |
1683 | nfsdirent->next = nfsdir->entries; | |
1684 | nfsdir->entries = nfsdirent; | |
1685 | ||
1686 | cookie = entry->cookie; | |
1687 | entry = entry->nextentry; | |
1688 | } | |
1689 | ||
1690 | if (res->READDIR3res_u.resok.reply.eof == 0) { | |
1691 | if (rpc_nfs_readdir_async(nfs->rpc, nfs_opendir_cb, &data->fh, cookie, res->READDIR3res_u.resok.cookieverf, 20000, data) != 0) { | |
1692 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR call for %s", data->path); | |
1693 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1694 | nfs_free_nfsdir(nfsdir); | |
1695 | data->continue_data = NULL; | |
1696 | free_nfs_cb_data(data); | |
1697 | return; | |
1698 | } | |
1699 | return; | |
1700 | } | |
1701 | ||
1702 | /* steal the dirhandle */ | |
1703 | data->continue_data = NULL; | |
1704 | nfsdir->current = nfsdir->entries; | |
1705 | ||
1706 | data->cb(0, nfs, nfsdir, data->private_data); | |
1707 | free_nfs_cb_data(data); | |
1708 | } | |
1709 | ||
1710 | static int nfs_opendir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
1711 | { | |
1712 | cookieverf3 cv; | |
1713 | ||
1714 | bzero(cv, sizeof(cookieverf3)); | |
1715 | if (rpc_nfs_readdir_async(nfs->rpc, nfs_opendir_cb, &data->fh, 0, (char *)&cv, 20000, data) != 0) { | |
1716 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR call for %s", data->path); | |
1717 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1718 | free_nfs_cb_data(data); | |
1719 | return -1; | |
1720 | } | |
1721 | return 0; | |
1722 | } | |
1723 | ||
1724 | int nfs_opendir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
1725 | { | |
1726 | struct nfsdir *nfsdir; | |
1727 | ||
1728 | nfsdir = malloc(sizeof(struct nfsdir)); | |
1729 | if (nfsdir == NULL) { | |
cbbf9d3e | 1730 | rpc_set_error(nfs->rpc, "failed to allocate buffer for nfsdir"); |
84004dbf RS |
1731 | return -1; |
1732 | } | |
1733 | bzero(nfsdir, sizeof(struct nfsdir)); | |
1734 | ||
1735 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_opendir_continue_internal, nfsdir, free, 0) != 0) { | |
cbbf9d3e RS |
1736 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
1737 | return -1; | |
84004dbf RS |
1738 | } |
1739 | ||
1740 | return 0; | |
1741 | } | |
1742 | ||
1743 | ||
1744 | struct nfsdirent *nfs_readdir(struct nfs_context *nfs _U_, struct nfsdir *nfsdir) | |
1745 | { | |
1746 | struct nfsdirent *nfsdirent = nfsdir->current; | |
1747 | ||
1748 | if (nfsdir->current != NULL) { | |
1749 | nfsdir->current = nfsdir->current->next; | |
1750 | } | |
1751 | return nfsdirent; | |
1752 | } | |
1753 | ||
1754 | ||
1755 | void nfs_closedir(struct nfs_context *nfs _U_, struct nfsdir *nfsdir) | |
1756 | { | |
1757 | nfs_free_nfsdir(nfsdir); | |
1758 | } | |
1759 | ||
1760 | ||
1761 | ||
1762 | ||
1763 | ||
1764 | ||
1765 | ||
1766 | /* | |
1767 | * Async lseek() | |
1768 | */ | |
1769 | struct lseek_cb_data { | |
1770 | struct nfs_context *nfs; | |
1771 | struct nfsfh *nfsfh; | |
1772 | off_t offset; | |
1773 | nfs_cb cb; | |
1774 | void *private_data; | |
1775 | }; | |
1776 | ||
1777 | static void nfs_lseek_1_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
1778 | { | |
1779 | GETATTR3res *res; | |
1780 | struct lseek_cb_data *data = private_data; | |
1781 | struct nfs_context *nfs = data->nfs; | |
1782 | ||
1783 | if (status == RPC_STATUS_ERROR) { | |
1784 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1785 | free(data); | |
1786 | return; | |
1787 | } | |
1788 | if (status == RPC_STATUS_CANCEL) { | |
1789 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1790 | free(data); | |
1791 | return; | |
1792 | } | |
1793 | ||
1794 | res = command_data; | |
1795 | if (res->status != NFS3_OK) { | |
1796 | rpc_set_error(nfs->rpc, "NFS: GETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
1797 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1798 | free(data); | |
1799 | return; | |
1800 | } | |
1801 | ||
1802 | data->nfsfh->offset = data->offset + res->GETATTR3res_u.resok.obj_attributes.size; | |
1803 | data->cb(0, nfs, &data->nfsfh->offset, data->private_data); | |
1804 | free(data); | |
1805 | } | |
1806 | ||
1807 | int nfs_lseek_async(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t offset, int whence, nfs_cb cb, void *private_data) | |
1808 | { | |
1809 | struct lseek_cb_data *data; | |
1810 | ||
1811 | if (whence == SEEK_SET) { | |
1812 | nfsfh->offset = offset; | |
1813 | cb(0, nfs, &nfsfh->offset, private_data); | |
1814 | return 0; | |
1815 | } | |
1816 | if (whence == SEEK_CUR) { | |
1817 | nfsfh->offset += offset; | |
1818 | cb(0, nfs, &nfsfh->offset, private_data); | |
1819 | return 0; | |
1820 | } | |
1821 | ||
1822 | data = malloc(sizeof(struct lseek_cb_data)); | |
1823 | if (data == NULL) { | |
1824 | rpc_set_error(nfs->rpc, "Out Of Memory: Failed to malloc lseek cb data"); | |
1825 | return -1; | |
1826 | } | |
1827 | ||
1828 | data->nfs = nfs; | |
1829 | data->nfsfh = nfsfh; | |
1830 | data->offset = offset; | |
1831 | data->cb = cb; | |
1832 | data->private_data = private_data; | |
1833 | ||
1834 | if (rpc_nfs_getattr_async(nfs->rpc, nfs_lseek_1_cb, &nfsfh->fh, data) != 0) { | |
1835 | rpc_set_error(nfs->rpc, "RPC error: Failed to send LSEEK GETATTR call"); | |
1836 | free(data); | |
cbbf9d3e | 1837 | return -1; |
84004dbf RS |
1838 | } |
1839 | return 0; | |
1840 | } | |
1841 | ||
1842 | ||
1843 | ||
1844 | ||
1845 | /* | |
1846 | * Async statvfs() | |
1847 | */ | |
1848 | static void nfs_statvfs_1_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
1849 | { | |
1850 | FSSTAT3res *res; | |
1851 | struct nfs_cb_data *data = private_data; | |
1852 | struct nfs_context *nfs = data->nfs; | |
1853 | struct statvfs svfs; | |
1854 | ||
1855 | if (status == RPC_STATUS_ERROR) { | |
1856 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1857 | free_nfs_cb_data(data); | |
1858 | return; | |
1859 | } | |
1860 | if (status == RPC_STATUS_CANCEL) { | |
1861 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1862 | free_nfs_cb_data(data); | |
1863 | return; | |
1864 | } | |
1865 | ||
1866 | res = command_data; | |
1867 | if (res->status != NFS3_OK) { | |
1868 | rpc_set_error(nfs->rpc, "NFS: FSSTAT of %s failed with %s(%d)", data->saved_path, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
1869 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1870 | free_nfs_cb_data(data); | |
1871 | return; | |
1872 | } | |
1873 | ||
1874 | svfs.f_bsize = 4096; | |
1875 | svfs.f_frsize = 4096; | |
1876 | svfs.f_blocks = res->FSSTAT3res_u.resok.tbytes/4096; | |
1877 | svfs.f_bfree = res->FSSTAT3res_u.resok.fbytes/4096; | |
1878 | svfs.f_bavail = res->FSSTAT3res_u.resok.abytes/4096; | |
1879 | svfs.f_files = res->FSSTAT3res_u.resok.tfiles; | |
1880 | svfs.f_ffree = res->FSSTAT3res_u.resok.ffiles; | |
1881 | svfs.f_favail = res->FSSTAT3res_u.resok.afiles; | |
1882 | svfs.f_fsid = 0; | |
1883 | svfs.f_flag = 0; | |
1884 | svfs.f_namemax = 256; | |
1885 | ||
1886 | data->cb(0, nfs, &svfs, data->private_data); | |
1887 | free_nfs_cb_data(data); | |
1888 | } | |
1889 | ||
1890 | static int nfs_statvfs_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
1891 | { | |
1892 | if (rpc_nfs_fsstat_async(nfs->rpc, nfs_statvfs_1_cb, &data->fh, data) != 0) { | |
1893 | rpc_set_error(nfs->rpc, "RPC error: Failed to send FSSTAT call for %s", data->path); | |
1894 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1895 | free_nfs_cb_data(data); | |
1896 | return -1; | |
1897 | } | |
1898 | return 0; | |
1899 | } | |
1900 | ||
1901 | int nfs_statvfs_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
1902 | { | |
1903 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_statvfs_continue_internal, NULL, NULL, 0) != 0) { | |
cbbf9d3e | 1904 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
1905 | return -1; |
1906 | } | |
1907 | ||
1908 | return 0; | |
1909 | } | |
1910 | ||
1911 | ||
1912 | ||
1913 | ||
1914 | /* | |
1915 | * Async readlink() | |
1916 | */ | |
1917 | static void nfs_readlink_1_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
1918 | { | |
1919 | READLINK3res *res; | |
1920 | struct nfs_cb_data *data = private_data; | |
1921 | struct nfs_context *nfs = data->nfs; | |
1922 | ||
1923 | if (status == RPC_STATUS_ERROR) { | |
1924 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1925 | free_nfs_cb_data(data); | |
1926 | return; | |
1927 | } | |
1928 | if (status == RPC_STATUS_CANCEL) { | |
1929 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1930 | free_nfs_cb_data(data); | |
1931 | return; | |
1932 | } | |
1933 | ||
1934 | res = command_data; | |
1935 | if (res->status != NFS3_OK) { | |
1936 | rpc_set_error(nfs->rpc, "NFS: READLINK of %s failed with %s(%d)", data->saved_path, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
1937 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1938 | free_nfs_cb_data(data); | |
1939 | return; | |
1940 | } | |
1941 | ||
1942 | ||
1943 | data->cb(0, nfs, res->READLINK3res_u.resok.data, data->private_data); | |
1944 | free_nfs_cb_data(data); | |
1945 | } | |
1946 | ||
1947 | static int nfs_readlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
1948 | { | |
1949 | if (rpc_nfs_readlink_async(nfs->rpc, nfs_readlink_1_cb, &data->fh, data) != 0) { | |
1950 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READLINK call for %s", data->path); | |
1951 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1952 | free_nfs_cb_data(data); | |
1953 | return -1; | |
1954 | } | |
1955 | return 0; | |
1956 | } | |
1957 | ||
1958 | int nfs_readlink_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
1959 | { | |
1960 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_readlink_continue_internal, NULL, NULL, 0) != 0) { | |
cbbf9d3e | 1961 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
1962 | return -1; |
1963 | } | |
1964 | ||
1965 | return 0; | |
1966 | } | |
1967 | ||
1968 | ||
1969 | ||
1970 | ||
1971 | /* | |
1972 | * Async chmod() | |
1973 | */ | |
1974 | static void nfs_chmod_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
1975 | { | |
1976 | struct nfs_cb_data *data = private_data; | |
1977 | struct nfs_context *nfs = data->nfs; | |
1978 | SETATTR3res *res; | |
1979 | ||
1980 | if (status == RPC_STATUS_ERROR) { | |
1981 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1982 | free_nfs_cb_data(data); | |
1983 | return; | |
1984 | } | |
1985 | if (status == RPC_STATUS_CANCEL) { | |
1986 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1987 | free_nfs_cb_data(data); | |
1988 | return; | |
1989 | } | |
1990 | ||
1991 | res = command_data; | |
1992 | if (res->status != NFS3_OK) { | |
1993 | rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
1994 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1995 | free_nfs_cb_data(data); | |
1996 | return; | |
1997 | } | |
1998 | ||
1999 | data->cb(0, nfs, NULL, data->private_data); | |
2000 | free_nfs_cb_data(data); | |
2001 | } | |
2002 | ||
2003 | static int nfs_chmod_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
2004 | { | |
2005 | SETATTR3args args; | |
2006 | ||
2007 | bzero(&args, sizeof(SETATTR3args)); | |
2008 | args.object.data.data_len = data->fh.data.data_len; | |
2009 | args.object.data.data_val = data->fh.data.data_val; | |
2010 | args.new_attributes.mode.set_it = 1; | |
2011 | args.new_attributes.mode.set_mode3_u.mode = data->continue_int; | |
2012 | ||
2013 | if (rpc_nfs_setattr_async(nfs->rpc, nfs_chmod_cb, &args, data) != 0) { | |
2014 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path); | |
2015 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2016 | free_nfs_cb_data(data); | |
2017 | return -1; | |
2018 | } | |
2019 | return 0; | |
2020 | } | |
2021 | ||
2022 | ||
2023 | int nfs_chmod_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data) | |
2024 | { | |
2025 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_chmod_continue_internal, NULL, NULL, mode) != 0) { | |
cbbf9d3e | 2026 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
2027 | return -1; |
2028 | } | |
2029 | ||
2030 | return 0; | |
2031 | } | |
2032 | ||
2033 | /* | |
2034 | * Async fchmod() | |
2035 | */ | |
2036 | int nfs_fchmod_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int mode, nfs_cb cb, void *private_data) | |
2037 | { | |
2038 | struct nfs_cb_data *data; | |
2039 | ||
2040 | data = malloc(sizeof(struct nfs_cb_data)); | |
2041 | if (data == NULL) { | |
cbbf9d3e | 2042 | rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for nfs mount data"); |
84004dbf RS |
2043 | return -1; |
2044 | } | |
2045 | bzero(data, sizeof(struct nfs_cb_data)); | |
2046 | data->nfs = nfs; | |
2047 | data->cb = cb; | |
2048 | data->private_data = private_data; | |
2049 | data->continue_int = mode; | |
2050 | data->fh.data.data_len = nfsfh->fh.data.data_len; | |
2051 | data->fh.data.data_val = malloc(data->fh.data.data_len); | |
2052 | if (data->fh.data.data_val == NULL) { | |
2053 | rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh"); | |
2054 | free_nfs_cb_data(data); | |
2055 | return -1; | |
2056 | } | |
2057 | memcpy(data->fh.data.data_val, nfsfh->fh.data.data_val, data->fh.data.data_len); | |
2058 | ||
2059 | if (nfs_chmod_continue_internal(nfs, data) != 0) { | |
2060 | free_nfs_cb_data(data); | |
2061 | return -1; | |
2062 | } | |
2063 | ||
2064 | return 0; | |
2065 | } | |
2066 | ||
2067 | ||
2068 | ||
2069 | /* | |
2070 | * Async chown() | |
2071 | */ | |
2072 | static void nfs_chown_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
2073 | { | |
2074 | struct nfs_cb_data *data = private_data; | |
2075 | struct nfs_context *nfs = data->nfs; | |
2076 | SETATTR3res *res; | |
2077 | ||
2078 | if (status == RPC_STATUS_ERROR) { | |
2079 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2080 | free_nfs_cb_data(data); | |
2081 | return; | |
2082 | } | |
2083 | if (status == RPC_STATUS_CANCEL) { | |
2084 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2085 | free_nfs_cb_data(data); | |
2086 | return; | |
2087 | } | |
2088 | ||
2089 | res = command_data; | |
2090 | if (res->status != NFS3_OK) { | |
2091 | rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
2092 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2093 | free_nfs_cb_data(data); | |
2094 | return; | |
2095 | } | |
2096 | ||
2097 | data->cb(0, nfs, NULL, data->private_data); | |
2098 | free_nfs_cb_data(data); | |
2099 | } | |
2100 | ||
2101 | struct nfs_chown_data { | |
2102 | uid_t uid; | |
2103 | gid_t gid; | |
2104 | }; | |
2105 | ||
2106 | static int nfs_chown_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
2107 | { | |
2108 | SETATTR3args args; | |
2109 | struct nfs_chown_data *chown_data = data->continue_data; | |
2110 | ||
2111 | bzero(&args, sizeof(SETATTR3args)); | |
2112 | args.object.data.data_len = data->fh.data.data_len; | |
2113 | args.object.data.data_val = data->fh.data.data_val; | |
2114 | if (chown_data->uid != (uid_t)-1) { | |
2115 | args.new_attributes.uid.set_it = 1; | |
2116 | args.new_attributes.uid.set_uid3_u.uid = chown_data->uid; | |
2117 | } | |
2118 | if (chown_data->gid != (gid_t)-1) { | |
2119 | args.new_attributes.gid.set_it = 1; | |
2120 | args.new_attributes.gid.set_gid3_u.gid = chown_data->gid; | |
2121 | } | |
2122 | ||
2123 | if (rpc_nfs_setattr_async(nfs->rpc, nfs_chown_cb, &args, data) != 0) { | |
2124 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path); | |
2125 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2126 | free_nfs_cb_data(data); | |
2127 | return -1; | |
2128 | } | |
2129 | return 0; | |
2130 | } | |
2131 | ||
2132 | ||
2133 | int nfs_chown_async(struct nfs_context *nfs, const char *path, int uid, int gid, nfs_cb cb, void *private_data) | |
2134 | { | |
2135 | struct nfs_chown_data *chown_data; | |
2136 | ||
2137 | chown_data = malloc(sizeof(struct nfs_chown_data)); | |
2138 | if (chown_data == NULL) { | |
cbbf9d3e | 2139 | rpc_set_error(nfs->rpc, "Failed to allocate memory for chown data structure"); |
84004dbf RS |
2140 | return -1; |
2141 | } | |
2142 | ||
2143 | chown_data->uid = uid; | |
2144 | chown_data->gid = gid; | |
2145 | ||
2146 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_chown_continue_internal, chown_data, free, 0) != 0) { | |
cbbf9d3e | 2147 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
2148 | return -1; |
2149 | } | |
2150 | ||
2151 | return 0; | |
2152 | } | |
2153 | ||
2154 | ||
2155 | /* | |
2156 | * Async fchown() | |
2157 | */ | |
2158 | int nfs_fchown_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int uid, int gid, nfs_cb cb, void *private_data) | |
2159 | { | |
2160 | struct nfs_cb_data *data; | |
2161 | struct nfs_chown_data *chown_data; | |
2162 | ||
2163 | chown_data = malloc(sizeof(struct nfs_chown_data)); | |
2164 | if (chown_data == NULL) { | |
cbbf9d3e | 2165 | rpc_set_error(nfs->rpc, "Failed to allocate memory for chown data structure"); |
84004dbf RS |
2166 | return -1; |
2167 | } | |
2168 | ||
2169 | chown_data->uid = uid; | |
2170 | chown_data->gid = gid; | |
2171 | ||
2172 | ||
2173 | data = malloc(sizeof(struct nfs_cb_data)); | |
2174 | if (data == NULL) { | |
cbbf9d3e | 2175 | rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for fchown data"); |
84004dbf RS |
2176 | return -1; |
2177 | } | |
2178 | bzero(data, sizeof(struct nfs_cb_data)); | |
2179 | data->nfs = nfs; | |
2180 | data->cb = cb; | |
2181 | data->private_data = private_data; | |
2182 | data->continue_data = chown_data; | |
2183 | data->fh.data.data_len = nfsfh->fh.data.data_len; | |
2184 | data->fh.data.data_val = malloc(data->fh.data.data_len); | |
2185 | if (data->fh.data.data_val == NULL) { | |
2186 | rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh"); | |
2187 | free_nfs_cb_data(data); | |
2188 | return -1; | |
2189 | } | |
2190 | memcpy(data->fh.data.data_val, nfsfh->fh.data.data_val, data->fh.data.data_len); | |
2191 | ||
2192 | ||
2193 | if (nfs_chown_continue_internal(nfs, data) != 0) { | |
2194 | free_nfs_cb_data(data); | |
2195 | return -1; | |
2196 | } | |
2197 | ||
2198 | return 0; | |
2199 | } | |
2200 | ||
2201 | ||
2202 | ||
2203 | ||
2204 | ||
2205 | /* | |
2206 | * Async utimes() | |
2207 | */ | |
2208 | static void nfs_utimes_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
2209 | { | |
2210 | struct nfs_cb_data *data = private_data; | |
2211 | struct nfs_context *nfs = data->nfs; | |
2212 | SETATTR3res *res; | |
2213 | ||
2214 | if (status == RPC_STATUS_ERROR) { | |
2215 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2216 | free_nfs_cb_data(data); | |
2217 | return; | |
2218 | } | |
2219 | if (status == RPC_STATUS_CANCEL) { | |
2220 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2221 | free_nfs_cb_data(data); | |
2222 | return; | |
2223 | } | |
2224 | ||
2225 | res = command_data; | |
2226 | if (res->status != NFS3_OK) { | |
2227 | rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
2228 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2229 | free_nfs_cb_data(data); | |
2230 | return; | |
2231 | } | |
2232 | ||
2233 | data->cb(0, nfs, NULL, data->private_data); | |
2234 | free_nfs_cb_data(data); | |
2235 | } | |
2236 | ||
2237 | static int nfs_utimes_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
2238 | { | |
2239 | SETATTR3args args; | |
2240 | struct timeval *utimes_data = data->continue_data; | |
2241 | ||
2242 | bzero(&args, sizeof(SETATTR3args)); | |
2243 | args.object.data.data_len = data->fh.data.data_len; | |
2244 | args.object.data.data_val = data->fh.data.data_val; | |
2245 | if (utimes_data != NULL) { | |
2246 | args.new_attributes.atime.set_it = SET_TO_CLIENT_TIME; | |
2247 | args.new_attributes.atime.set_atime_u.atime.seconds = utimes_data[0].tv_sec; | |
2248 | args.new_attributes.atime.set_atime_u.atime.nseconds = utimes_data[0].tv_usec * 1000; | |
2249 | args.new_attributes.mtime.set_it = SET_TO_CLIENT_TIME; | |
2250 | args.new_attributes.mtime.set_mtime_u.mtime.seconds = utimes_data[1].tv_sec; | |
2251 | args.new_attributes.mtime.set_mtime_u.mtime.nseconds = utimes_data[1].tv_usec * 1000; | |
2252 | } else { | |
2253 | args.new_attributes.atime.set_it = SET_TO_SERVER_TIME; | |
2254 | args.new_attributes.mtime.set_it = SET_TO_SERVER_TIME; | |
2255 | } | |
2256 | ||
2257 | if (rpc_nfs_setattr_async(nfs->rpc, nfs_utimes_cb, &args, data) != 0) { | |
2258 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path); | |
2259 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2260 | free_nfs_cb_data(data); | |
2261 | return -1; | |
2262 | } | |
2263 | return 0; | |
2264 | } | |
2265 | ||
2266 | ||
2267 | int nfs_utimes_async(struct nfs_context *nfs, const char *path, struct timeval *times, nfs_cb cb, void *private_data) | |
2268 | { | |
2269 | struct timeval *new_times = NULL; | |
2270 | ||
2271 | if (times != NULL) { | |
2272 | new_times = malloc(sizeof(struct timeval)*2); | |
2273 | if (new_times == NULL) { | |
cbbf9d3e | 2274 | rpc_set_error(nfs->rpc, "Failed to allocate memory for timeval structure"); |
84004dbf RS |
2275 | return -1; |
2276 | } | |
2277 | ||
2278 | memcpy(new_times, times, sizeof(struct timeval)*2); | |
2279 | } | |
2280 | ||
2281 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_utimes_continue_internal, new_times, free, 0) != 0) { | |
cbbf9d3e | 2282 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
2283 | return -1; |
2284 | } | |
2285 | ||
2286 | return 0; | |
2287 | } | |
2288 | ||
2289 | /* | |
2290 | * Async utime() | |
2291 | */ | |
2292 | int nfs_utime_async(struct nfs_context *nfs, const char *path, struct utimbuf *times, nfs_cb cb, void *private_data) | |
2293 | { | |
2294 | struct timeval *new_times = NULL; | |
2295 | ||
2296 | if (times != NULL) { | |
2297 | new_times = malloc(sizeof(struct timeval)*2); | |
2298 | if (new_times == NULL) { | |
cbbf9d3e | 2299 | rpc_set_error(nfs->rpc, "Failed to allocate memory for timeval structure"); |
84004dbf RS |
2300 | return -1; |
2301 | } | |
2302 | ||
2303 | new_times[0].tv_sec = times->actime; | |
2304 | new_times[0].tv_usec = 0; | |
2305 | new_times[1].tv_sec = times->modtime; | |
2306 | new_times[1].tv_usec = 0; | |
2307 | } | |
2308 | ||
2309 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_utimes_continue_internal, new_times, free, 0) != 0) { | |
cbbf9d3e | 2310 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
2311 | return -1; |
2312 | } | |
2313 | ||
2314 | return 0; | |
2315 | } | |
2316 | ||
2317 | ||
2318 | ||
2319 | ||
2320 | ||
2321 | /* | |
2322 | * Async access() | |
2323 | */ | |
2324 | static void nfs_access_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
2325 | { | |
2326 | ACCESS3res *res; | |
2327 | struct nfs_cb_data *data = private_data; | |
2328 | struct nfs_context *nfs = data->nfs; | |
2329 | unsigned int nfsmode = 0; | |
2330 | ||
2331 | if (status == RPC_STATUS_ERROR) { | |
2332 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2333 | free_nfs_cb_data(data); | |
2334 | return; | |
2335 | } | |
2336 | if (status == RPC_STATUS_CANCEL) { | |
2337 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2338 | free_nfs_cb_data(data); | |
2339 | return; | |
2340 | } | |
2341 | ||
2342 | res = command_data; | |
2343 | if (res->status != NFS3_OK) { | |
2344 | rpc_set_error(nfs->rpc, "NFS: ACCESS of %s failed with %s(%d)", data->saved_path, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
2345 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2346 | free_nfs_cb_data(data); | |
2347 | return; | |
2348 | } | |
2349 | ||
2350 | if (data->continue_int & R_OK) { | |
2351 | nfsmode |= ACCESS3_READ; | |
2352 | } | |
2353 | if (data->continue_int & W_OK) { | |
2354 | nfsmode |= ACCESS3_MODIFY; | |
2355 | } | |
2356 | if (data->continue_int & X_OK) { | |
2357 | nfsmode |= ACCESS3_EXECUTE; | |
2358 | } | |
2359 | ||
2360 | if (res->ACCESS3res_u.resok.access != nfsmode) { | |
2361 | rpc_set_error(nfs->rpc, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c", | |
2362 | nfsmode&ACCESS3_READ?'r':'-', | |
2363 | nfsmode&ACCESS3_MODIFY?'w':'-', | |
2364 | nfsmode&ACCESS3_EXECUTE?'x':'-', | |
2365 | res->ACCESS3res_u.resok.access&ACCESS3_READ?'r':'-', | |
2366 | res->ACCESS3res_u.resok.access&ACCESS3_MODIFY?'w':'-', | |
2367 | res->ACCESS3res_u.resok.access&ACCESS3_EXECUTE?'x':'-'); | |
2368 | data->cb(-EACCES, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2369 | free_nfs_cb_data(data); | |
2370 | return; | |
2371 | } | |
2372 | ||
2373 | data->cb(0, nfs, NULL, data->private_data); | |
2374 | free_nfs_cb_data(data); | |
2375 | } | |
2376 | ||
2377 | static int nfs_access_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
2378 | { | |
2379 | int nfsmode = 0; | |
2380 | ||
2381 | if (data->continue_int & R_OK) { | |
2382 | nfsmode |= ACCESS3_READ; | |
2383 | } | |
2384 | if (data->continue_int & W_OK) { | |
2385 | nfsmode |= ACCESS3_MODIFY; | |
2386 | } | |
2387 | if (data->continue_int & X_OK) { | |
2388 | nfsmode |= ACCESS3_EXECUTE; | |
2389 | } | |
2390 | ||
2391 | if (rpc_nfs_access_async(nfs->rpc, nfs_access_cb, &data->fh, nfsmode, data) != 0) { | |
2392 | rpc_set_error(nfs->rpc, "RPC error: Failed to send OPEN ACCESS call for %s", data->path); | |
2393 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2394 | free_nfs_cb_data(data); | |
2395 | return -1; | |
2396 | } | |
2397 | return 0; | |
2398 | } | |
2399 | ||
2400 | int nfs_access_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data) | |
2401 | { | |
2402 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_access_continue_internal, NULL, NULL, mode) != 0) { | |
cbbf9d3e RS |
2403 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
2404 | return -1; | |
84004dbf RS |
2405 | } |
2406 | ||
2407 | return 0; | |
2408 | } | |
2409 | ||
2410 | ||
2411 | ||
2412 | /* | |
2413 | * Async symlink() | |
2414 | */ | |
2415 | struct nfs_symlink_data { | |
2416 | char *oldpath; | |
2417 | char *newpathparent; | |
2418 | char *newpathobject; | |
2419 | }; | |
2420 | ||
2421 | static void free_nfs_symlink_data(void *mem) | |
2422 | { | |
2423 | struct nfs_symlink_data *data = mem; | |
2424 | ||
2425 | if (data->oldpath != NULL) { | |
2426 | free(data->oldpath); | |
2427 | } | |
2428 | if (data->newpathparent != NULL) { | |
2429 | free(data->newpathparent); | |
2430 | } | |
2431 | if (data->newpathobject != NULL) { | |
2432 | free(data->newpathobject); | |
2433 | } | |
2434 | free(data); | |
2435 | } | |
2436 | ||
2437 | static void nfs_symlink_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
2438 | { | |
2439 | SYMLINK3res *res; | |
2440 | struct nfs_cb_data *data = private_data; | |
2441 | struct nfs_context *nfs = data->nfs; | |
2442 | struct nfs_symlink_data *symlink_data = data->continue_data; | |
2443 | ||
2444 | if (status == RPC_STATUS_ERROR) { | |
2445 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2446 | free_nfs_cb_data(data); | |
2447 | return; | |
2448 | } | |
2449 | if (status == RPC_STATUS_CANCEL) { | |
2450 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2451 | free_nfs_cb_data(data); | |
2452 | return; | |
2453 | } | |
2454 | ||
2455 | res = command_data; | |
2456 | if (res->status != NFS3_OK) { | |
2457 | rpc_set_error(nfs->rpc, "NFS: SYMLINK %s/%s -> %s failed with %s(%d)", symlink_data->newpathparent, symlink_data->newpathobject, symlink_data->oldpath, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
2458 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2459 | free_nfs_cb_data(data); | |
2460 | return; | |
2461 | } | |
2462 | ||
2463 | data->cb(0, nfs, NULL, data->private_data); | |
2464 | free_nfs_cb_data(data); | |
2465 | } | |
2466 | ||
2467 | static int nfs_symlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
2468 | { | |
2469 | struct nfs_symlink_data *symlink_data = data->continue_data; | |
2470 | ||
2471 | if (rpc_nfs_symlink_async(nfs->rpc, nfs_symlink_cb, &data->fh, symlink_data->newpathobject, symlink_data->oldpath, data) != 0) { | |
2472 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SYMLINK call for %s", data->path); | |
2473 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2474 | free_nfs_cb_data(data); | |
2475 | return -1; | |
2476 | } | |
2477 | return 0; | |
2478 | } | |
2479 | ||
2480 | int nfs_symlink_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data) | |
2481 | { | |
2482 | char *ptr; | |
2483 | struct nfs_symlink_data *symlink_data; | |
2484 | ||
2485 | symlink_data = malloc(sizeof(struct nfs_symlink_data)); | |
2486 | if (symlink_data == NULL) { | |
cbbf9d3e | 2487 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for symlink data"); |
84004dbf RS |
2488 | return -1; |
2489 | } | |
2490 | bzero(symlink_data, sizeof(struct nfs_symlink_data)); | |
2491 | ||
2492 | symlink_data->oldpath = strdup(oldpath); | |
2493 | if (symlink_data->oldpath == NULL) { | |
cbbf9d3e | 2494 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath"); |
84004dbf | 2495 | free_nfs_symlink_data(symlink_data); |
cbbf9d3e | 2496 | return -1; |
84004dbf RS |
2497 | } |
2498 | ||
2499 | symlink_data->newpathparent = strdup(newpath); | |
2500 | if (symlink_data->newpathparent == NULL) { | |
cbbf9d3e | 2501 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for new path"); |
84004dbf | 2502 | free_nfs_symlink_data(symlink_data); |
cbbf9d3e | 2503 | return -1; |
84004dbf RS |
2504 | } |
2505 | ||
2506 | ptr = rindex(symlink_data->newpathparent, '/'); | |
2507 | if (ptr == NULL) { | |
cbbf9d3e | 2508 | rpc_set_error(nfs->rpc, "Invalid path %s", oldpath); |
84004dbf | 2509 | free_nfs_symlink_data(symlink_data); |
cbbf9d3e | 2510 | return -1; |
84004dbf RS |
2511 | } |
2512 | *ptr = 0; | |
2513 | ptr++; | |
2514 | ||
2515 | symlink_data->newpathobject = strdup(ptr); | |
2516 | if (symlink_data->newpathobject == NULL) { | |
cbbf9d3e | 2517 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for new path"); |
84004dbf | 2518 | free_nfs_symlink_data(symlink_data); |
cbbf9d3e | 2519 | return -1; |
84004dbf RS |
2520 | } |
2521 | ||
2522 | if (nfs_lookuppath_async(nfs, symlink_data->newpathparent, cb, private_data, nfs_symlink_continue_internal, symlink_data, free_nfs_symlink_data, 0) != 0) { | |
cbbf9d3e RS |
2523 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
2524 | return -1; | |
84004dbf RS |
2525 | } |
2526 | ||
2527 | return 0; | |
2528 | } | |
2529 | ||
2530 | ||
2531 | ||
2532 | /* | |
2533 | * Async rename() | |
2534 | */ | |
2535 | struct nfs_rename_data { | |
2536 | char *oldpath; | |
2537 | char *oldobject; | |
2538 | struct nfs_fh3 olddir; | |
2539 | char *newpath; | |
2540 | char *newobject; | |
2541 | struct nfs_fh3 newdir; | |
2542 | }; | |
2543 | ||
2544 | static void free_nfs_rename_data(void *mem) | |
2545 | { | |
2546 | struct nfs_rename_data *data = mem; | |
2547 | ||
2548 | if (data->oldpath != NULL) { | |
2549 | free(data->oldpath); | |
2550 | } | |
2551 | if (data->olddir.data.data_val != NULL) { | |
2552 | free(data->olddir.data.data_val); | |
2553 | } | |
2554 | if (data->newpath != NULL) { | |
2555 | free(data->newpath); | |
2556 | } | |
2557 | if (data->newdir.data.data_val != NULL) { | |
2558 | free(data->newdir.data.data_val); | |
2559 | } | |
2560 | free(data); | |
2561 | } | |
2562 | ||
2563 | static void nfs_rename_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
2564 | { | |
2565 | RENAME3res *res; | |
2566 | struct nfs_cb_data *data = private_data; | |
2567 | struct nfs_context *nfs = data->nfs; | |
2568 | struct nfs_rename_data *rename_data = data->continue_data; | |
2569 | ||
2570 | if (status == RPC_STATUS_ERROR) { | |
2571 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2572 | free_nfs_cb_data(data); | |
2573 | return; | |
2574 | } | |
2575 | if (status == RPC_STATUS_CANCEL) { | |
2576 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2577 | free_nfs_cb_data(data); | |
2578 | return; | |
2579 | } | |
2580 | ||
2581 | res = command_data; | |
2582 | if (res->status != NFS3_OK) { | |
2583 | rpc_set_error(nfs->rpc, "NFS: RENAME %s/%s -> %s/%s failed with %s(%d)", rename_data->oldpath, rename_data->oldobject, rename_data->newpath, rename_data->newobject, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
2584 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2585 | free_nfs_cb_data(data); | |
2586 | return; | |
2587 | } | |
2588 | ||
2589 | data->cb(0, nfs, NULL, data->private_data); | |
2590 | free_nfs_cb_data(data); | |
2591 | } | |
2592 | ||
2593 | static int nfs_rename_continue_2_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
2594 | { | |
2595 | struct nfs_rename_data *rename_data = data->continue_data; | |
2596 | ||
2597 | /* steal the filehandle */ | |
2598 | rename_data->newdir.data.data_len = data->fh.data.data_len; | |
2599 | rename_data->newdir.data.data_val = data->fh.data.data_val; | |
2600 | data->fh.data.data_val = NULL; | |
2601 | ||
2602 | if (rpc_nfs_rename_async(nfs->rpc, nfs_rename_cb, &rename_data->olddir, rename_data->oldobject, &rename_data->newdir, rename_data->newobject, data) != 0) { | |
2603 | rpc_set_error(nfs->rpc, "RPC error: Failed to send RENAME call for %s", data->path); | |
2604 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2605 | free_nfs_cb_data(data); | |
2606 | return -1; | |
2607 | } | |
2608 | return 0; | |
2609 | } | |
2610 | ||
2611 | ||
2612 | static int nfs_rename_continue_1_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
2613 | { | |
2614 | struct nfs_rename_data *rename_data = data->continue_data; | |
2615 | ||
2616 | /* steal the filehandle */ | |
2617 | rename_data->olddir.data.data_len = data->fh.data.data_len; | |
2618 | rename_data->olddir.data.data_val = data->fh.data.data_val; | |
2619 | data->fh.data.data_val = NULL; | |
2620 | ||
2621 | if (nfs_lookuppath_async(nfs, rename_data->newpath, data->cb, data->private_data, nfs_rename_continue_2_internal, rename_data, free_nfs_rename_data, 0) != 0) { | |
2622 | rpc_set_error(nfs->rpc, "RPC error: Failed to send LOOKUP call for %s", rename_data->newpath); | |
2623 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2624 | free_nfs_cb_data(data); | |
2625 | return -1; | |
2626 | } | |
2627 | data->continue_data = NULL; | |
2628 | free_nfs_cb_data(data); | |
2629 | ||
2630 | return 0; | |
2631 | } | |
2632 | ||
2633 | ||
2634 | int nfs_rename_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data) | |
2635 | { | |
2636 | char *ptr; | |
2637 | struct nfs_rename_data *rename_data; | |
2638 | ||
2639 | rename_data = malloc(sizeof(struct nfs_rename_data)); | |
2640 | if (rename_data == NULL) { | |
cbbf9d3e | 2641 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for rename data"); |
84004dbf RS |
2642 | return -1; |
2643 | } | |
2644 | bzero(rename_data, sizeof(struct nfs_rename_data)); | |
2645 | ||
2646 | rename_data->oldpath = strdup(oldpath); | |
2647 | if (rename_data->oldpath == NULL) { | |
cbbf9d3e | 2648 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath"); |
84004dbf | 2649 | free_nfs_rename_data(rename_data); |
cbbf9d3e | 2650 | return -1; |
84004dbf RS |
2651 | } |
2652 | ptr = rindex(rename_data->oldpath, '/'); | |
2653 | if (ptr == NULL) { | |
cbbf9d3e | 2654 | rpc_set_error(nfs->rpc, "Invalid path %s", oldpath); |
84004dbf | 2655 | free_nfs_rename_data(rename_data); |
cbbf9d3e | 2656 | return -1; |
84004dbf RS |
2657 | } |
2658 | *ptr = 0; | |
2659 | ptr++; | |
2660 | rename_data->oldobject = ptr; | |
2661 | ||
2662 | ||
2663 | rename_data->newpath = strdup(newpath); | |
2664 | if (rename_data->newpath == NULL) { | |
cbbf9d3e | 2665 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for newpath"); |
84004dbf | 2666 | free_nfs_rename_data(rename_data); |
cbbf9d3e | 2667 | return -1; |
84004dbf RS |
2668 | } |
2669 | ptr = rindex(rename_data->newpath, '/'); | |
2670 | if (ptr == NULL) { | |
cbbf9d3e | 2671 | rpc_set_error(nfs->rpc, "Invalid path %s", newpath); |
84004dbf | 2672 | free_nfs_rename_data(rename_data); |
cbbf9d3e | 2673 | return -1; |
84004dbf RS |
2674 | } |
2675 | *ptr = 0; | |
2676 | ptr++; | |
2677 | rename_data->newobject = ptr; | |
2678 | ||
2679 | ||
2680 | if (nfs_lookuppath_async(nfs, rename_data->oldpath, cb, private_data, nfs_rename_continue_1_internal, rename_data, free_nfs_rename_data, 0) != 0) { | |
cbbf9d3e RS |
2681 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
2682 | return -1; | |
84004dbf RS |
2683 | } |
2684 | ||
2685 | return 0; | |
2686 | } | |
2687 | ||
2688 | ||
2689 | /* | |
2690 | * Async link() | |
2691 | */ | |
2692 | struct nfs_link_data { | |
2693 | char *oldpath; | |
2694 | struct nfs_fh3 oldfh; | |
2695 | char *newpath; | |
2696 | char *newobject; | |
2697 | struct nfs_fh3 newdir; | |
2698 | }; | |
2699 | ||
2700 | static void free_nfs_link_data(void *mem) | |
2701 | { | |
2702 | struct nfs_link_data *data = mem; | |
2703 | ||
2704 | if (data->oldpath != NULL) { | |
2705 | free(data->oldpath); | |
2706 | } | |
2707 | if (data->oldfh.data.data_val != NULL) { | |
2708 | free(data->oldfh.data.data_val); | |
2709 | } | |
2710 | if (data->newpath != NULL) { | |
2711 | free(data->newpath); | |
2712 | } | |
2713 | if (data->newdir.data.data_val != NULL) { | |
2714 | free(data->newdir.data.data_val); | |
2715 | } | |
2716 | free(data); | |
2717 | } | |
2718 | ||
2719 | static void nfs_link_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
2720 | { | |
2721 | LINK3res *res; | |
2722 | struct nfs_cb_data *data = private_data; | |
2723 | struct nfs_context *nfs = data->nfs; | |
2724 | struct nfs_link_data *link_data = data->continue_data; | |
2725 | ||
2726 | if (status == RPC_STATUS_ERROR) { | |
2727 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2728 | free_nfs_cb_data(data); | |
2729 | return; | |
2730 | } | |
2731 | if (status == RPC_STATUS_CANCEL) { | |
2732 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2733 | free_nfs_cb_data(data); | |
2734 | return; | |
2735 | } | |
2736 | ||
2737 | res = command_data; | |
2738 | if (res->status != NFS3_OK) { | |
2739 | rpc_set_error(nfs->rpc, "NFS: LINK %s -> %s/%s failed with %s(%d)", link_data->oldpath, link_data->newpath, link_data->newobject, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
2740 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2741 | free_nfs_cb_data(data); | |
2742 | return; | |
2743 | } | |
2744 | ||
2745 | data->cb(0, nfs, NULL, data->private_data); | |
2746 | free_nfs_cb_data(data); | |
2747 | } | |
2748 | ||
2749 | static int nfs_link_continue_2_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
2750 | { | |
2751 | struct nfs_link_data *link_data = data->continue_data; | |
2752 | ||
2753 | /* steal the filehandle */ | |
2754 | link_data->newdir.data.data_len = data->fh.data.data_len; | |
2755 | link_data->newdir.data.data_val = data->fh.data.data_val; | |
2756 | data->fh.data.data_val = NULL; | |
2757 | ||
2758 | if (rpc_nfs_link_async(nfs->rpc, nfs_link_cb, &link_data->oldfh, &link_data->newdir, link_data->newobject, data) != 0) { | |
2759 | rpc_set_error(nfs->rpc, "RPC error: Failed to send LINK call for %s", data->path); | |
2760 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2761 | free_nfs_cb_data(data); | |
2762 | return -1; | |
2763 | } | |
2764 | return 0; | |
2765 | } | |
2766 | ||
2767 | ||
2768 | static int nfs_link_continue_1_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
2769 | { | |
2770 | struct nfs_link_data *link_data = data->continue_data; | |
2771 | ||
2772 | /* steal the filehandle */ | |
2773 | link_data->oldfh.data.data_len = data->fh.data.data_len; | |
2774 | link_data->oldfh.data.data_val = data->fh.data.data_val; | |
2775 | data->fh.data.data_val = NULL; | |
2776 | ||
2777 | if (nfs_lookuppath_async(nfs, link_data->newpath, data->cb, data->private_data, nfs_link_continue_2_internal, link_data, free_nfs_link_data, 0) != 0) { | |
2778 | rpc_set_error(nfs->rpc, "RPC error: Failed to send LOOKUP call for %s", link_data->newpath); | |
2779 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2780 | free_nfs_cb_data(data); | |
2781 | return -1; | |
2782 | } | |
2783 | data->continue_data = NULL; | |
2784 | free_nfs_cb_data(data); | |
2785 | ||
2786 | return 0; | |
2787 | } | |
2788 | ||
2789 | ||
2790 | int nfs_link_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data) | |
2791 | { | |
2792 | char *ptr; | |
2793 | struct nfs_link_data *link_data; | |
2794 | ||
2795 | link_data = malloc(sizeof(struct nfs_link_data)); | |
2796 | if (link_data == NULL) { | |
cbbf9d3e | 2797 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for link data"); |
84004dbf RS |
2798 | return -1; |
2799 | } | |
2800 | bzero(link_data, sizeof(struct nfs_link_data)); | |
2801 | ||
2802 | link_data->oldpath = strdup(oldpath); | |
2803 | if (link_data->oldpath == NULL) { | |
cbbf9d3e | 2804 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath"); |
84004dbf | 2805 | free_nfs_link_data(link_data); |
cbbf9d3e | 2806 | return -1; |
84004dbf RS |
2807 | } |
2808 | ||
2809 | link_data->newpath = strdup(newpath); | |
2810 | if (link_data->newpath == NULL) { | |
cbbf9d3e | 2811 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for newpath"); |
84004dbf | 2812 | free_nfs_link_data(link_data); |
cbbf9d3e | 2813 | return -1; |
84004dbf RS |
2814 | } |
2815 | ptr = rindex(link_data->newpath, '/'); | |
2816 | if (ptr == NULL) { | |
cbbf9d3e | 2817 | rpc_set_error(nfs->rpc, "Invalid path %s", newpath); |
84004dbf | 2818 | free_nfs_link_data(link_data); |
cbbf9d3e | 2819 | return -1; |
84004dbf RS |
2820 | } |
2821 | *ptr = 0; | |
2822 | ptr++; | |
2823 | link_data->newobject = ptr; | |
2824 | ||
2825 | ||
2826 | if (nfs_lookuppath_async(nfs, link_data->oldpath, cb, private_data, nfs_link_continue_1_internal, link_data, free_nfs_link_data, 0) != 0) { | |
cbbf9d3e RS |
2827 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
2828 | return -1; | |
84004dbf RS |
2829 | } |
2830 | ||
2831 | return 0; | |
2832 | } | |
2833 | ||
2834 | ||
2835 | //qqq replace later with lseek() | |
2836 | off_t nfs_get_current_offset(struct nfsfh *nfsfh) | |
2837 | { | |
2838 | return nfsfh->offset; | |
2839 | } | |
2840 | ||
17ef62fa RS |
2841 | |
2842 | ||
2843 | /* | |
2844 | * Get the maximum supported READ3 size by the server | |
2845 | */ | |
2846 | size_t nfs_get_readmax(struct nfs_context *nfs) | |
2847 | { | |
2848 | return nfs->readmax; | |
2849 | } | |
2850 | ||
2851 | /* | |
2852 | * Get the maximum supported WRITE3 size by the server | |
2853 | */ | |
2854 | size_t nfs_get_writemax(struct nfs_context *nfs) | |
2855 | { | |
2856 | return nfs->writemax; | |
2857 | } |