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