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