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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 | ||
7f0242ca | 21 | #define _GNU_SOURCE |
6874f61e RS |
22 | |
23 | #if defined(WIN32) | |
24 | #include <winsock2.h> | |
25 | #define DllExport | |
26 | #define O_SYNC 0 | |
27 | typedef int uid_t; | |
28 | typedef int gid_t; | |
29 | #else | |
30 | #include <strings.h> | |
31 | #include <sys/statvfs.h> | |
32 | #include <utime.h> | |
33 | #include <unistd.h> | |
34 | #endif | |
35 | ||
84004dbf | 36 | #include <stdio.h> |
1896d37b | 37 | #include <stdarg.h> |
84004dbf RS |
38 | #include <stdlib.h> |
39 | #include <string.h> | |
84004dbf RS |
40 | #include <errno.h> |
41 | #include <sys/types.h> | |
42 | #include <sys/stat.h> | |
84004dbf RS |
43 | #include <fcntl.h> |
44 | #include "libnfs.h" | |
45 | #include "libnfs-raw.h" | |
46 | #include "libnfs-raw-mount.h" | |
47 | #include "libnfs-raw-nfs.h" | |
1896d37b RS |
48 | #include "libnfs-private.h" |
49 | ||
50 | struct nfsdir { | |
51 | struct nfsdirent *entries; | |
52 | struct nfsdirent *current; | |
53 | }; | |
84004dbf RS |
54 | |
55 | struct nfsfh { | |
56 | struct nfs_fh3 fh; | |
57 | int is_sync; | |
58 | off_t offset; | |
59 | }; | |
60 | ||
1896d37b RS |
61 | struct nfs_context { |
62 | struct rpc_context *rpc; | |
63 | char *server; | |
64 | char *export; | |
65 | struct nfs_fh3 rootfh; | |
66 | size_t readmax; | |
67 | size_t writemax; | |
84004dbf RS |
68 | }; |
69 | ||
70 | void nfs_free_nfsdir(struct nfsdir *nfsdir) | |
71 | { | |
72 | while (nfsdir->entries) { | |
73 | struct nfsdirent *dirent = nfsdir->entries->next; | |
74 | if (nfsdir->entries->name != NULL) { | |
75 | free(nfsdir->entries->name); | |
76 | } | |
77 | free(nfsdir->entries); | |
78 | nfsdir->entries = dirent; | |
79 | } | |
80 | free(nfsdir); | |
81 | } | |
82 | ||
84004dbf RS |
83 | struct nfs_cb_data; |
84 | typedef int (*continue_func)(struct nfs_context *nfs, struct nfs_cb_data *data); | |
85 | ||
86 | struct nfs_cb_data { | |
87 | struct nfs_context *nfs; | |
88 | struct nfsfh *nfsfh; | |
89 | char *saved_path, *path; | |
90 | ||
91 | nfs_cb cb; | |
92 | void *private_data; | |
93 | ||
94 | continue_func continue_cb; | |
95 | void *continue_data; | |
96 | void (*free_continue_data)(void *); | |
97 | int continue_int; | |
98 | ||
99 | struct nfs_fh3 fh; | |
921f877b RS |
100 | |
101 | /* for multi-read/write calls. */ | |
102 | int error; | |
103 | int cancel; | |
104 | int num_calls; | |
105 | off_t start_offset, max_offset; | |
106 | char *buffer; | |
107 | }; | |
108 | ||
109 | struct nfs_mcb_data { | |
110 | struct nfs_cb_data *data; | |
111 | off_t offset; | |
112 | size_t count; | |
84004dbf RS |
113 | }; |
114 | ||
115 | static int nfs_lookup_path_async_internal(struct nfs_context *nfs, struct nfs_cb_data *data, struct nfs_fh3 *fh); | |
116 | ||
117 | ||
118 | void nfs_set_auth(struct nfs_context *nfs, struct AUTH *auth) | |
119 | { | |
be337389 | 120 | rpc_set_auth(nfs->rpc, auth); |
84004dbf RS |
121 | } |
122 | ||
123 | int nfs_get_fd(struct nfs_context *nfs) | |
124 | { | |
125 | return rpc_get_fd(nfs->rpc); | |
126 | } | |
127 | ||
128 | int nfs_which_events(struct nfs_context *nfs) | |
129 | { | |
130 | return rpc_which_events(nfs->rpc); | |
131 | } | |
132 | ||
133 | int nfs_service(struct nfs_context *nfs, int revents) | |
134 | { | |
135 | return rpc_service(nfs->rpc, revents); | |
136 | } | |
137 | ||
138 | char *nfs_get_error(struct nfs_context *nfs) | |
139 | { | |
140 | return rpc_get_error(nfs->rpc); | |
141 | }; | |
142 | ||
143 | struct nfs_context *nfs_init_context(void) | |
144 | { | |
145 | struct nfs_context *nfs; | |
146 | ||
147 | nfs = malloc(sizeof(struct nfs_context)); | |
148 | if (nfs == NULL) { | |
84004dbf RS |
149 | return NULL; |
150 | } | |
151 | nfs->rpc = rpc_init_context(); | |
152 | if (nfs->rpc == NULL) { | |
84004dbf RS |
153 | free(nfs); |
154 | return NULL; | |
155 | } | |
156 | ||
b077fdeb RS |
157 | nfs->server = NULL; |
158 | nfs->export = NULL; | |
159 | ||
963c2f83 RS |
160 | nfs->rootfh.data.data_len = 0; |
161 | nfs->rootfh.data.data_val = NULL; | |
162 | ||
84004dbf RS |
163 | return nfs; |
164 | } | |
165 | ||
166 | void nfs_destroy_context(struct nfs_context *nfs) | |
167 | { | |
168 | rpc_destroy_context(nfs->rpc); | |
169 | nfs->rpc = NULL; | |
170 | ||
171 | if (nfs->server) { | |
172 | free(nfs->server); | |
173 | nfs->server = NULL; | |
174 | } | |
175 | ||
176 | if (nfs->export) { | |
177 | free(nfs->export); | |
178 | nfs->export = NULL; | |
179 | } | |
180 | ||
181 | if (nfs->rootfh.data.data_val != NULL) { | |
182 | free(nfs->rootfh.data.data_val); | |
183 | nfs->rootfh.data.data_val = NULL; | |
184 | } | |
185 | ||
186 | free(nfs); | |
187 | } | |
188 | ||
189 | void free_nfs_cb_data(struct nfs_cb_data *data) | |
190 | { | |
191 | if (data->saved_path != NULL) { | |
192 | free(data->saved_path); | |
193 | data->saved_path = NULL; | |
194 | } | |
195 | ||
196 | if (data->continue_data != NULL) { | |
197 | data->free_continue_data(data->continue_data); | |
198 | data->continue_data = NULL; | |
199 | } | |
200 | ||
201 | if (data->fh.data.data_val != NULL) { | |
202 | free(data->fh.data.data_val); | |
203 | data->fh.data.data_val = NULL; | |
204 | } | |
205 | ||
921f877b RS |
206 | if (data->buffer != NULL) { |
207 | free(data->buffer); | |
208 | data->buffer = NULL; | |
209 | } | |
210 | ||
84004dbf RS |
211 | free(data); |
212 | } | |
213 | ||
214 | ||
215 | ||
216 | ||
217 | ||
17ef62fa | 218 | static void nfs_mount_10_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) |
84004dbf RS |
219 | { |
220 | struct nfs_cb_data *data = private_data; | |
221 | struct nfs_context *nfs = data->nfs; | |
222 | ||
223 | if (status == RPC_STATUS_ERROR) { | |
224 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
225 | free_nfs_cb_data(data); | |
226 | return; | |
227 | } | |
228 | if (status == RPC_STATUS_CANCEL) { | |
229 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
230 | free_nfs_cb_data(data); | |
231 | return; | |
232 | } | |
233 | ||
234 | data->cb(0, nfs, NULL, data->private_data); | |
235 | free_nfs_cb_data(data); | |
236 | } | |
237 | ||
17ef62fa | 238 | static void nfs_mount_9_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
239 | { |
240 | struct nfs_cb_data *data = private_data; | |
241 | struct nfs_context *nfs = data->nfs; | |
17ef62fa | 242 | FSINFO3res *res = command_data; |
84004dbf RS |
243 | |
244 | if (status == RPC_STATUS_ERROR) { | |
245 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
246 | free_nfs_cb_data(data); | |
247 | return; | |
248 | } | |
249 | if (status == RPC_STATUS_CANCEL) { | |
250 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
251 | free_nfs_cb_data(data); | |
252 | return; | |
253 | } | |
254 | ||
17ef62fa RS |
255 | nfs->readmax = res->FSINFO3res_u.resok.rtmax; |
256 | nfs->writemax = res->FSINFO3res_u.resok.wtmax; | |
84004dbf | 257 | |
17ef62fa | 258 | if (rpc_nfs_getattr_async(rpc, nfs_mount_10_cb, &nfs->rootfh, data) != 0) { |
84004dbf RS |
259 | data->cb(-ENOMEM, nfs, command_data, data->private_data); |
260 | free_nfs_cb_data(data); | |
261 | return; | |
262 | } | |
263 | } | |
264 | ||
17ef62fa RS |
265 | static void nfs_mount_8_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
266 | { | |
267 | struct nfs_cb_data *data = private_data; | |
268 | struct nfs_context *nfs = data->nfs; | |
269 | ||
270 | if (status == RPC_STATUS_ERROR) { | |
271 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
272 | free_nfs_cb_data(data); | |
273 | return; | |
274 | } | |
275 | if (status == RPC_STATUS_CANCEL) { | |
276 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
277 | free_nfs_cb_data(data); | |
278 | return; | |
279 | } | |
280 | ||
281 | if (rpc_nfs_fsinfo_async(rpc, nfs_mount_9_cb, &nfs->rootfh, data) != 0) { | |
282 | data->cb(-ENOMEM, nfs, command_data, data->private_data); | |
283 | free_nfs_cb_data(data); | |
284 | return; | |
285 | } | |
286 | } | |
287 | ||
288 | ||
84004dbf RS |
289 | static void nfs_mount_7_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
290 | { | |
291 | struct nfs_cb_data *data = private_data; | |
292 | struct nfs_context *nfs = data->nfs; | |
293 | ||
294 | if (status == RPC_STATUS_ERROR) { | |
295 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
296 | free_nfs_cb_data(data); | |
297 | return; | |
298 | } | |
299 | if (status == RPC_STATUS_CANCEL) { | |
300 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
301 | free_nfs_cb_data(data); | |
302 | return; | |
303 | } | |
304 | ||
305 | if (rpc_nfs_null_async(rpc, nfs_mount_8_cb, data) != 0) { | |
306 | data->cb(-ENOMEM, nfs, command_data, data->private_data); | |
307 | free_nfs_cb_data(data); | |
308 | return; | |
309 | } | |
310 | } | |
311 | ||
312 | ||
313 | static void nfs_mount_6_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
314 | { | |
315 | struct nfs_cb_data *data = private_data; | |
316 | struct nfs_context *nfs = data->nfs; | |
317 | mountres3 *res; | |
318 | ||
319 | if (status == RPC_STATUS_ERROR) { | |
320 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
321 | free_nfs_cb_data(data); | |
322 | return; | |
323 | } | |
324 | if (status == RPC_STATUS_CANCEL) { | |
325 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
326 | free_nfs_cb_data(data); | |
327 | return; | |
328 | } | |
329 | ||
330 | res = command_data; | |
331 | if (res->fhs_status != MNT3_OK) { | |
332 | 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)); | |
333 | data->cb(mountstat3_to_errno(res->fhs_status), nfs, rpc_get_error(rpc), data->private_data); | |
334 | free_nfs_cb_data(data); | |
335 | return; | |
336 | } | |
337 | ||
338 | nfs->rootfh.data.data_len = res->mountres3_u.mountinfo.fhandle.fhandle3_len; | |
339 | nfs->rootfh.data.data_val = malloc(nfs->rootfh.data.data_len); | |
340 | if (nfs->rootfh.data.data_val == NULL) { | |
341 | rpc_set_error(rpc, "Out of memory. Could not allocate memory to store root filehandle"); | |
342 | data->cb(-ENOMEM, nfs, rpc_get_error(rpc), data->private_data); | |
343 | free_nfs_cb_data(data); | |
344 | return; | |
345 | } | |
346 | memcpy(nfs->rootfh.data.data_val, res->mountres3_u.mountinfo.fhandle.fhandle3_val, nfs->rootfh.data.data_len); | |
347 | ||
348 | rpc_disconnect(rpc, "normal disconnect"); | |
349 | if (rpc_connect_async(rpc, nfs->server, 2049, nfs_mount_7_cb, data) != 0) { | |
350 | data->cb(-ENOMEM, nfs, command_data, data->private_data); | |
351 | free_nfs_cb_data(data); | |
352 | return; | |
353 | } | |
354 | } | |
355 | ||
356 | ||
357 | static void nfs_mount_5_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
358 | { | |
359 | struct nfs_cb_data *data = private_data; | |
360 | struct nfs_context *nfs = data->nfs; | |
361 | ||
362 | if (status == RPC_STATUS_ERROR) { | |
363 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
364 | free_nfs_cb_data(data); | |
365 | return; | |
366 | } | |
367 | if (status == RPC_STATUS_CANCEL) { | |
368 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
369 | free_nfs_cb_data(data); | |
370 | return; | |
371 | } | |
372 | ||
373 | if (rpc_mount_mnt_async(rpc, nfs_mount_6_cb, nfs->export, data) != 0) { | |
374 | data->cb(-ENOMEM, nfs, command_data, data->private_data); | |
375 | free_nfs_cb_data(data); | |
376 | return; | |
377 | } | |
378 | } | |
379 | ||
380 | static void nfs_mount_4_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
381 | { | |
382 | struct nfs_cb_data *data = private_data; | |
383 | struct nfs_context *nfs = data->nfs; | |
384 | ||
385 | if (status == RPC_STATUS_ERROR) { | |
386 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
387 | free_nfs_cb_data(data); | |
388 | return; | |
389 | } | |
390 | if (status == RPC_STATUS_CANCEL) { | |
391 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
392 | free_nfs_cb_data(data); | |
393 | return; | |
394 | } | |
395 | ||
396 | if (rpc_mount_null_async(rpc, nfs_mount_5_cb, data) != 0) { | |
397 | data->cb(-ENOMEM, nfs, command_data, data->private_data); | |
398 | free_nfs_cb_data(data); | |
399 | return; | |
400 | } | |
401 | } | |
402 | ||
403 | static void nfs_mount_3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
404 | { | |
405 | struct nfs_cb_data *data = private_data; | |
406 | struct nfs_context *nfs = data->nfs; | |
407 | uint32_t mount_port; | |
408 | ||
409 | if (status == RPC_STATUS_ERROR) { | |
410 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
411 | free_nfs_cb_data(data); | |
412 | return; | |
413 | } | |
414 | if (status == RPC_STATUS_CANCEL) { | |
415 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
416 | free_nfs_cb_data(data); | |
417 | return; | |
418 | } | |
419 | ||
420 | mount_port = *(uint32_t *)command_data; | |
421 | if (mount_port == 0) { | |
422 | rpc_set_error(rpc, "RPC error. Mount program is not available on %s", nfs->server); | |
423 | data->cb(-ENOENT, nfs, command_data, data->private_data); | |
424 | free_nfs_cb_data(data); | |
425 | return; | |
426 | } | |
427 | ||
428 | rpc_disconnect(rpc, "normal disconnect"); | |
429 | if (rpc_connect_async(rpc, nfs->server, mount_port, nfs_mount_4_cb, data) != 0) { | |
430 | data->cb(-ENOMEM, nfs, command_data, data->private_data); | |
431 | free_nfs_cb_data(data); | |
432 | return; | |
433 | } | |
434 | } | |
435 | ||
436 | ||
437 | static void nfs_mount_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
438 | { | |
439 | struct nfs_cb_data *data = private_data; | |
440 | struct nfs_context *nfs = data->nfs; | |
441 | ||
442 | if (status == RPC_STATUS_ERROR) { | |
443 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
444 | free_nfs_cb_data(data); | |
445 | return; | |
446 | } | |
447 | if (status == RPC_STATUS_CANCEL) { | |
448 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
449 | free_nfs_cb_data(data); | |
450 | return; | |
451 | } | |
452 | ||
453 | if (rpc_pmap_getport_async(rpc, MOUNT_PROGRAM, MOUNT_V3, nfs_mount_3_cb, private_data) != 0) { | |
454 | data->cb(-ENOMEM, nfs, command_data, data->private_data); | |
455 | free_nfs_cb_data(data); | |
456 | return; | |
457 | } | |
458 | } | |
459 | ||
460 | static void nfs_mount_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
461 | { | |
462 | struct nfs_cb_data *data = private_data; | |
463 | struct nfs_context *nfs = data->nfs; | |
464 | ||
465 | if (status == RPC_STATUS_ERROR) { | |
466 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
467 | free_nfs_cb_data(data); | |
468 | return; | |
469 | } | |
470 | if (status == RPC_STATUS_CANCEL) { | |
471 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
472 | free_nfs_cb_data(data); | |
473 | return; | |
474 | } | |
475 | ||
476 | if (rpc_pmap_null_async(rpc, nfs_mount_2_cb, data) != 0) { | |
477 | data->cb(-ENOMEM, nfs, command_data, data->private_data); | |
478 | free_nfs_cb_data(data); | |
479 | return; | |
480 | } | |
481 | } | |
482 | ||
483 | /* | |
484 | * Async call for mounting an nfs share and geting the root filehandle | |
485 | */ | |
486 | int nfs_mount_async(struct nfs_context *nfs, const char *server, const char *export, nfs_cb cb, void *private_data) | |
487 | { | |
488 | struct nfs_cb_data *data; | |
b077fdeb | 489 | char *new_server, *new_export; |
84004dbf RS |
490 | |
491 | data = malloc(sizeof(struct nfs_cb_data)); | |
492 | if (data == NULL) { | |
cbbf9d3e | 493 | rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for nfs mount data"); |
84004dbf RS |
494 | return -1; |
495 | } | |
496 | bzero(data, sizeof(struct nfs_cb_data)); | |
b077fdeb RS |
497 | new_server = strdup(server); |
498 | new_export = strdup(export); | |
499 | if (nfs->server != NULL) { | |
500 | free(nfs->server); | |
501 | nfs->server = NULL; | |
502 | } | |
503 | nfs->server = new_server; | |
504 | if (nfs->export != NULL) { | |
505 | free(nfs->export); | |
506 | nfs->export = NULL; | |
507 | } | |
508 | nfs->export = new_export; | |
84004dbf RS |
509 | data->nfs = nfs; |
510 | data->cb = cb; | |
511 | data->private_data = private_data; | |
512 | ||
513 | if (rpc_connect_async(nfs->rpc, server, 111, nfs_mount_1_cb, data) != 0) { | |
cbbf9d3e | 514 | rpc_set_error(nfs->rpc, "Failed to start connection"); |
84004dbf | 515 | free_nfs_cb_data(data); |
cbbf9d3e | 516 | return -1; |
84004dbf RS |
517 | } |
518 | ||
519 | return 0; | |
520 | } | |
521 | ||
522 | ||
523 | ||
524 | /* | |
525 | * Functions to first look up a path, component by component, and then finally call a specific function once | |
526 | * the filehandle for the final component is found. | |
527 | */ | |
528 | static void nfs_lookup_path_1_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
529 | { | |
530 | struct nfs_cb_data *data = private_data; | |
531 | struct nfs_context *nfs = data->nfs; | |
532 | LOOKUP3res *res; | |
533 | ||
534 | if (status == RPC_STATUS_ERROR) { | |
535 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
536 | free_nfs_cb_data(data); | |
537 | return; | |
538 | } | |
539 | if (status == RPC_STATUS_CANCEL) { | |
540 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
541 | free_nfs_cb_data(data); | |
542 | return; | |
543 | } | |
544 | ||
545 | res = command_data; | |
546 | if (res->status != NFS3_OK) { | |
547 | 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)); | |
548 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
549 | free_nfs_cb_data(data); | |
550 | return; | |
551 | } | |
552 | ||
553 | if (nfs_lookup_path_async_internal(nfs, data, &res->LOOKUP3res_u.resok.object) != 0) { | |
554 | rpc_set_error(nfs->rpc, "Failed to create lookup pdu"); | |
555 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
556 | free_nfs_cb_data(data); | |
557 | return; | |
558 | } | |
559 | } | |
560 | ||
561 | static int nfs_lookup_path_async_internal(struct nfs_context *nfs, struct nfs_cb_data *data, struct nfs_fh3 *fh) | |
562 | { | |
563 | char *path, *str; | |
564 | ||
565 | while (*data->path == '/') { | |
566 | data->path++; | |
567 | } | |
568 | ||
569 | path = data->path; | |
a671a465 | 570 | str = strchr(path, '/'); |
84004dbf RS |
571 | if (str != NULL) { |
572 | *str = 0; | |
573 | data->path = str+1; | |
574 | } else { | |
575 | while (*data->path != 0) { | |
576 | data->path++; | |
577 | } | |
578 | } | |
579 | ||
580 | if (*path == 0) { | |
581 | data->fh.data.data_len = fh->data.data_len; | |
582 | data->fh.data.data_val = malloc(data->fh.data.data_len); | |
583 | if (data->fh.data.data_val == NULL) { | |
584 | rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh for %s", data->path); | |
585 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
586 | free_nfs_cb_data(data); | |
587 | return -1; | |
588 | } | |
589 | memcpy(data->fh.data.data_val, fh->data.data_val, data->fh.data.data_len); | |
590 | data->continue_cb(nfs, data); | |
591 | return 0; | |
592 | } | |
593 | ||
594 | if (rpc_nfs_lookup_async(nfs->rpc, nfs_lookup_path_1_cb, fh, path, data) != 0) { | |
595 | rpc_set_error(nfs->rpc, "RPC error: Failed to send lookup call for %s", data->path); | |
596 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
597 | free_nfs_cb_data(data); | |
598 | return -1; | |
599 | } | |
600 | return 0; | |
601 | } | |
602 | ||
603 | 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) | |
604 | { | |
605 | struct nfs_cb_data *data; | |
606 | ||
607 | if (path[0] != '/') { | |
608 | rpc_set_error(nfs->rpc, "Pathname is not absulute %s", path); | |
609 | return -1; | |
610 | } | |
611 | ||
612 | data = malloc(sizeof(struct nfs_cb_data)); | |
613 | if (data == NULL) { | |
614 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
cbbf9d3e | 615 | return -1; |
84004dbf RS |
616 | } |
617 | bzero(data, sizeof(struct nfs_cb_data)); | |
618 | data->nfs = nfs; | |
619 | data->cb = cb; | |
620 | data->continue_cb = continue_cb; | |
621 | data->continue_data = continue_data; | |
622 | data->free_continue_data = free_continue_data; | |
623 | data->continue_int = continue_int; | |
624 | data->private_data = private_data; | |
625 | data->saved_path = strdup(path); | |
626 | if (data->saved_path == NULL) { | |
627 | rpc_set_error(nfs->rpc, "out of memory: failed to copy path string"); | |
84004dbf | 628 | free_nfs_cb_data(data); |
cbbf9d3e | 629 | return -1; |
84004dbf RS |
630 | } |
631 | data->path = data->saved_path; | |
632 | ||
633 | if (nfs_lookup_path_async_internal(nfs, data, &nfs->rootfh) != 0) { | |
84004dbf RS |
634 | /* return 0 here since the callback will be invoked if there is a failure */ |
635 | return 0; | |
636 | } | |
637 | return 0; | |
638 | } | |
639 | ||
640 | ||
641 | ||
642 | ||
643 | ||
644 | /* | |
645 | * Async stat() | |
646 | */ | |
647 | static void nfs_stat_1_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
648 | { | |
649 | GETATTR3res *res; | |
650 | struct nfs_cb_data *data = private_data; | |
651 | struct nfs_context *nfs = data->nfs; | |
652 | struct stat st; | |
653 | ||
654 | if (status == RPC_STATUS_ERROR) { | |
655 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
656 | free_nfs_cb_data(data); | |
657 | return; | |
658 | } | |
659 | if (status == RPC_STATUS_CANCEL) { | |
660 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
661 | free_nfs_cb_data(data); | |
662 | return; | |
663 | } | |
664 | ||
665 | res = command_data; | |
666 | if (res->status != NFS3_OK) { | |
667 | 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)); | |
668 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
669 | free_nfs_cb_data(data); | |
670 | return; | |
671 | } | |
672 | ||
673 | st.st_dev = -1; | |
674 | st.st_ino = res->GETATTR3res_u.resok.obj_attributes.fileid; | |
675 | st.st_mode = res->GETATTR3res_u.resok.obj_attributes.mode; | |
e8cab72a RS |
676 | if (res->GETATTR3res_u.resok.obj_attributes.type == NF3DIR) { |
677 | st.st_mode |= S_IFDIR ; | |
678 | } | |
84004dbf RS |
679 | st.st_nlink = res->GETATTR3res_u.resok.obj_attributes.nlink; |
680 | st.st_uid = res->GETATTR3res_u.resok.obj_attributes.uid; | |
681 | st.st_gid = res->GETATTR3res_u.resok.obj_attributes.gid; | |
682 | st.st_rdev = 0; | |
683 | st.st_size = res->GETATTR3res_u.resok.obj_attributes.size; | |
d8143ff7 | 684 | #if !defined(WIN32) |
84004dbf RS |
685 | st.st_blksize = 4096; |
686 | st.st_blocks = res->GETATTR3res_u.resok.obj_attributes.size / 4096; | |
d8143ff7 | 687 | #endif |
84004dbf RS |
688 | st.st_atime = res->GETATTR3res_u.resok.obj_attributes.atime.seconds; |
689 | st.st_mtime = res->GETATTR3res_u.resok.obj_attributes.mtime.seconds; | |
690 | st.st_ctime = res->GETATTR3res_u.resok.obj_attributes.ctime.seconds; | |
691 | ||
692 | data->cb(0, nfs, &st, data->private_data); | |
693 | free_nfs_cb_data(data); | |
694 | } | |
695 | ||
696 | static int nfs_stat_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
697 | { | |
698 | if (rpc_nfs_getattr_async(nfs->rpc, nfs_stat_1_cb, &data->fh, data) != 0) { | |
699 | rpc_set_error(nfs->rpc, "RPC error: Failed to send STAT GETATTR call for %s", data->path); | |
700 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
701 | free_nfs_cb_data(data); | |
702 | return -1; | |
703 | } | |
704 | return 0; | |
705 | } | |
706 | ||
707 | int nfs_stat_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
708 | { | |
709 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_stat_continue_internal, NULL, NULL, 0) != 0) { | |
cbbf9d3e | 710 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
711 | return -1; |
712 | } | |
713 | ||
714 | return 0; | |
715 | } | |
716 | ||
717 | ||
718 | ||
719 | ||
720 | ||
721 | /* | |
722 | * Async open() | |
723 | */ | |
724 | static void nfs_open_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
725 | { | |
726 | ACCESS3res *res; | |
727 | struct nfs_cb_data *data = private_data; | |
728 | struct nfs_context *nfs = data->nfs; | |
729 | struct nfsfh *nfsfh; | |
730 | unsigned int nfsmode = 0; | |
731 | ||
732 | if (status == RPC_STATUS_ERROR) { | |
733 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
734 | free_nfs_cb_data(data); | |
735 | return; | |
736 | } | |
737 | if (status == RPC_STATUS_CANCEL) { | |
738 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
739 | free_nfs_cb_data(data); | |
740 | return; | |
741 | } | |
742 | ||
743 | res = command_data; | |
744 | if (res->status != NFS3_OK) { | |
745 | 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)); | |
746 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
747 | free_nfs_cb_data(data); | |
748 | return; | |
749 | } | |
750 | ||
751 | if (data->continue_int & O_WRONLY) { | |
752 | nfsmode |= ACCESS3_MODIFY; | |
753 | } | |
754 | if (data->continue_int & O_RDWR) { | |
755 | nfsmode |= ACCESS3_READ|ACCESS3_MODIFY; | |
756 | } | |
757 | if (!(data->continue_int & (O_WRONLY|O_RDWR))) { | |
758 | nfsmode |= ACCESS3_READ; | |
759 | } | |
760 | ||
761 | ||
762 | if (res->ACCESS3res_u.resok.access != nfsmode) { | |
763 | rpc_set_error(nfs->rpc, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c", | |
764 | nfsmode&ACCESS3_READ?'r':'-', | |
765 | nfsmode&ACCESS3_MODIFY?'w':'-', | |
766 | nfsmode&ACCESS3_EXECUTE?'x':'-', | |
767 | res->ACCESS3res_u.resok.access&ACCESS3_READ?'r':'-', | |
768 | res->ACCESS3res_u.resok.access&ACCESS3_MODIFY?'w':'-', | |
769 | res->ACCESS3res_u.resok.access&ACCESS3_EXECUTE?'x':'-'); | |
770 | data->cb(-EACCES, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
771 | free_nfs_cb_data(data); | |
772 | return; | |
773 | } | |
774 | ||
775 | nfsfh = malloc(sizeof(struct nfsfh)); | |
776 | if (nfsfh == NULL) { | |
777 | rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure"); | |
778 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
779 | free_nfs_cb_data(data); | |
780 | return; | |
781 | } | |
782 | bzero(nfsfh, sizeof(struct nfsfh)); | |
783 | ||
784 | if (data->continue_int & O_SYNC) { | |
785 | nfsfh->is_sync = 1; | |
786 | } | |
787 | ||
788 | /* steal the filehandle */ | |
789 | nfsfh->fh.data.data_len = data->fh.data.data_len; | |
790 | nfsfh->fh.data.data_val = data->fh.data.data_val; | |
791 | data->fh.data.data_val = NULL; | |
792 | ||
793 | data->cb(0, nfs, nfsfh, data->private_data); | |
794 | free_nfs_cb_data(data); | |
795 | } | |
796 | ||
797 | static int nfs_open_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
798 | { | |
799 | int nfsmode = 0; | |
800 | ||
801 | if (data->continue_int & O_WRONLY) { | |
802 | nfsmode |= ACCESS3_MODIFY; | |
803 | } | |
804 | if (data->continue_int & O_RDWR) { | |
805 | nfsmode |= ACCESS3_READ|ACCESS3_MODIFY; | |
806 | } | |
807 | if (!(data->continue_int & (O_WRONLY|O_RDWR))) { | |
808 | nfsmode |= ACCESS3_READ; | |
809 | } | |
810 | ||
811 | if (rpc_nfs_access_async(nfs->rpc, nfs_open_cb, &data->fh, nfsmode, data) != 0) { | |
812 | rpc_set_error(nfs->rpc, "RPC error: Failed to send OPEN ACCESS call for %s", data->path); | |
813 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
814 | free_nfs_cb_data(data); | |
815 | return -1; | |
816 | } | |
817 | return 0; | |
818 | } | |
819 | ||
820 | int nfs_open_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data) | |
821 | { | |
822 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_open_continue_internal, NULL, NULL, mode) != 0) { | |
cbbf9d3e RS |
823 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
824 | return -1; | |
84004dbf RS |
825 | } |
826 | ||
827 | return 0; | |
828 | } | |
829 | ||
830 | ||
831 | ||
832 | ||
833 | ||
834 | /* | |
835 | * Async pread() | |
836 | */ | |
837 | static void nfs_pread_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
838 | { | |
839 | struct nfs_cb_data *data = private_data; | |
840 | struct nfs_context *nfs = data->nfs; | |
841 | READ3res *res; | |
842 | ||
843 | if (status == RPC_STATUS_ERROR) { | |
844 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
845 | free_nfs_cb_data(data); | |
846 | return; | |
847 | } | |
848 | if (status == RPC_STATUS_CANCEL) { | |
849 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
850 | free_nfs_cb_data(data); | |
851 | return; | |
852 | } | |
853 | ||
854 | res = command_data; | |
855 | if (res->status != NFS3_OK) { | |
856 | rpc_set_error(nfs->rpc, "NFS: Read failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
857 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
858 | free_nfs_cb_data(data); | |
859 | return; | |
860 | } | |
861 | ||
862 | data->nfsfh->offset += res->READ3res_u.resok.count; | |
863 | data->cb(res->READ3res_u.resok.count, nfs, res->READ3res_u.resok.data.data_val, data->private_data); | |
864 | free_nfs_cb_data(data); | |
865 | } | |
866 | ||
921f877b RS |
867 | static void nfs_pread_mcb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) |
868 | { | |
869 | struct nfs_mcb_data *mdata = private_data; | |
870 | struct nfs_cb_data *data = mdata->data; | |
871 | struct nfs_context *nfs = data->nfs; | |
872 | READ3res *res; | |
873 | ||
874 | data->num_calls--; | |
875 | ||
876 | if (status == RPC_STATUS_ERROR) { | |
877 | /* flag the failure but do not invoke callback until we have received all responses */ | |
878 | data->error = 1; | |
879 | } | |
880 | if (status == RPC_STATUS_CANCEL) { | |
881 | /* flag the cancellation but do not invoke callback until we have received all responses */ | |
882 | data->cancel = 1; | |
883 | } | |
884 | ||
885 | /* reassemble the data into the buffer */ | |
886 | if (status == RPC_STATUS_SUCCESS) { | |
887 | res = command_data; | |
888 | if (res->status != NFS3_OK) { | |
889 | rpc_set_error(nfs->rpc, "NFS: Read failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
890 | data->error = 1; | |
e4a5ba42 RS |
891 | } else { |
892 | if (res->READ3res_u.resok.count > 0) { | |
893 | memcpy(&data->buffer[mdata->offset - data->start_offset], res->READ3res_u.resok.data.data_val, res->READ3res_u.resok.count); | |
894 | if ((unsigned)data->max_offset < mdata->offset + res->READ3res_u.resok.count) { | |
895 | data->max_offset = mdata->offset + res->READ3res_u.resok.count; | |
896 | } | |
921f877b RS |
897 | } |
898 | } | |
899 | } | |
900 | ||
901 | if (data->num_calls > 0) { | |
902 | /* still waiting for more replies */ | |
903 | free(mdata); | |
904 | return; | |
905 | } | |
906 | ||
921f877b RS |
907 | if (data->error != 0) { |
908 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
909 | free_nfs_cb_data(data); | |
910 | free(mdata); | |
911 | return; | |
912 | } | |
913 | if (data->cancel != 0) { | |
914 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
915 | free_nfs_cb_data(data); | |
916 | free(mdata); | |
917 | return; | |
918 | } | |
919 | ||
920 | data->nfsfh->offset = data->max_offset; | |
7ed9d87a RS |
921 | data->cb(data->max_offset - data->start_offset, nfs, data->buffer, data->private_data); |
922 | ||
921f877b RS |
923 | free_nfs_cb_data(data); |
924 | free(mdata); | |
925 | } | |
926 | ||
84004dbf RS |
927 | int nfs_pread_async(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t offset, size_t count, nfs_cb cb, void *private_data) |
928 | { | |
929 | struct nfs_cb_data *data; | |
930 | ||
931 | data = malloc(sizeof(struct nfs_cb_data)); | |
932 | if (data == NULL) { | |
933 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
84004dbf RS |
934 | return -1; |
935 | } | |
936 | bzero(data, sizeof(struct nfs_cb_data)); | |
937 | data->nfs = nfs; | |
938 | data->cb = cb; | |
939 | data->private_data = private_data; | |
940 | data->nfsfh = nfsfh; | |
941 | ||
942 | nfsfh->offset = offset; | |
921f877b RS |
943 | |
944 | if (count <= nfs_get_readmax(nfs)) { | |
945 | if (rpc_nfs_read_async(nfs->rpc, nfs_pread_cb, &nfsfh->fh, offset, count, data) != 0) { | |
946 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READ call for %s", data->path); | |
947 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
948 | free_nfs_cb_data(data); | |
949 | return -1; | |
950 | } | |
951 | return 0; | |
952 | } | |
953 | ||
954 | /* trying to read more than maximum server read size, we has to chop it up into smaller | |
955 | * reads and collect into a reassembly buffer. | |
956 | * we send all reads in parallell so that performance is still good. | |
957 | */ | |
7ed9d87a | 958 | data->max_offset = offset; |
921f877b RS |
959 | data->start_offset = offset; |
960 | ||
961 | data->buffer = malloc(count); | |
962 | if (data->buffer == NULL) { | |
963 | rpc_set_error(nfs->rpc, "Out-Of-Memory: Failed to allocate reassembly buffer for %d bytes", (int)count); | |
84004dbf RS |
964 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); |
965 | free_nfs_cb_data(data); | |
966 | return -1; | |
967 | } | |
921f877b RS |
968 | |
969 | while (count > 0) { | |
970 | size_t readcount = count; | |
971 | struct nfs_mcb_data *mdata; | |
972 | ||
973 | if (readcount > nfs_get_readmax(nfs)) { | |
974 | readcount = nfs_get_readmax(nfs); | |
975 | } | |
976 | ||
977 | mdata = malloc(sizeof(struct nfs_mcb_data)); | |
978 | if (mdata == NULL) { | |
979 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_mcb_data structure"); | |
921f877b RS |
980 | return -1; |
981 | } | |
982 | bzero(mdata, sizeof(struct nfs_mcb_data)); | |
983 | mdata->data = data; | |
984 | mdata->offset = offset; | |
985 | mdata->count = readcount; | |
921f877b RS |
986 | if (rpc_nfs_read_async(nfs->rpc, nfs_pread_mcb, &nfsfh->fh, offset, readcount, mdata) != 0) { |
987 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READ call for %s", data->path); | |
988 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
989 | free(mdata); | |
990 | return -1; | |
991 | } | |
992 | ||
993 | count -= readcount; | |
994 | offset += readcount; | |
995 | data->num_calls++; | |
996 | } | |
997 | ||
998 | return 0; | |
84004dbf RS |
999 | } |
1000 | ||
1001 | /* | |
1002 | * Async read() | |
1003 | */ | |
1004 | int nfs_read_async(struct nfs_context *nfs, struct nfsfh *nfsfh, size_t count, nfs_cb cb, void *private_data) | |
1005 | { | |
1006 | return nfs_pread_async(nfs, nfsfh, nfsfh->offset, count, cb, private_data); | |
1007 | } | |
1008 | ||
1009 | ||
1010 | ||
1011 | /* | |
1012 | * Async pwrite() | |
1013 | */ | |
1014 | static void nfs_pwrite_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
1015 | { | |
1016 | struct nfs_cb_data *data = private_data; | |
1017 | struct nfs_context *nfs = data->nfs; | |
1018 | WRITE3res *res; | |
1019 | ||
1020 | if (status == RPC_STATUS_ERROR) { | |
1021 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1022 | free_nfs_cb_data(data); | |
1023 | return; | |
1024 | } | |
1025 | if (status == RPC_STATUS_CANCEL) { | |
1026 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1027 | free_nfs_cb_data(data); | |
1028 | return; | |
1029 | } | |
1030 | ||
1031 | res = command_data; | |
1032 | if (res->status != NFS3_OK) { | |
1033 | rpc_set_error(nfs->rpc, "NFS: Write failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
1034 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1035 | free_nfs_cb_data(data); | |
1036 | return; | |
1037 | } | |
1038 | ||
1039 | data->nfsfh->offset += res->WRITE3res_u.resok.count; | |
1040 | data->cb(res->WRITE3res_u.resok.count, nfs, NULL, data->private_data); | |
1041 | free_nfs_cb_data(data); | |
1042 | } | |
1043 | ||
1044 | 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) | |
1045 | { | |
1046 | struct nfs_cb_data *data; | |
1047 | ||
1048 | data = malloc(sizeof(struct nfs_cb_data)); | |
1049 | if (data == NULL) { | |
1050 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
84004dbf RS |
1051 | return -1; |
1052 | } | |
1053 | bzero(data, sizeof(struct nfs_cb_data)); | |
1054 | data->nfs = nfs; | |
1055 | data->cb = cb; | |
1056 | data->private_data = private_data; | |
1057 | data->nfsfh = nfsfh; | |
1058 | ||
1059 | nfsfh->offset = offset; | |
1060 | if (rpc_nfs_write_async(nfs->rpc, nfs_pwrite_cb, &nfsfh->fh, buf, offset, count, nfsfh->is_sync?FILE_SYNC:UNSTABLE, data) != 0) { | |
1061 | rpc_set_error(nfs->rpc, "RPC error: Failed to send WRITE call for %s", data->path); | |
1062 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1063 | free_nfs_cb_data(data); | |
1064 | return -1; | |
1065 | } | |
1066 | return 0; | |
1067 | } | |
1068 | ||
1069 | /* | |
1070 | * Async write() | |
1071 | */ | |
1072 | int nfs_write_async(struct nfs_context *nfs, struct nfsfh *nfsfh, size_t count, char *buf, nfs_cb cb, void *private_data) | |
1073 | { | |
1074 | return nfs_pwrite_async(nfs, nfsfh, nfsfh->offset, count, buf, cb, private_data); | |
1075 | } | |
1076 | ||
1077 | ||
1078 | ||
1079 | ||
1080 | /* | |
1081 | * close | |
1082 | */ | |
1083 | ||
1084 | int nfs_close_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data) | |
1085 | { | |
1086 | if (nfsfh->fh.data.data_val != NULL){ | |
1087 | free(nfsfh->fh.data.data_val); | |
1088 | nfsfh->fh.data.data_val = NULL; | |
1089 | } | |
1090 | free(nfsfh); | |
1091 | ||
1092 | cb(0, nfs, NULL, private_data); | |
1093 | return 0; | |
1094 | }; | |
1095 | ||
1096 | ||
1097 | ||
1098 | ||
1099 | ||
1100 | /* | |
1101 | * Async fstat() | |
1102 | */ | |
1103 | int nfs_fstat_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data) | |
1104 | { | |
1105 | struct nfs_cb_data *data; | |
1106 | ||
1107 | data = malloc(sizeof(struct nfs_cb_data)); | |
1108 | if (data == NULL) { | |
1109 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
84004dbf RS |
1110 | return -1; |
1111 | } | |
1112 | bzero(data, sizeof(struct nfs_cb_data)); | |
1113 | data->nfs = nfs; | |
1114 | data->cb = cb; | |
1115 | data->private_data = private_data; | |
1116 | ||
1117 | if (rpc_nfs_getattr_async(nfs->rpc, nfs_stat_1_cb, &nfsfh->fh, data) != 0) { | |
1118 | rpc_set_error(nfs->rpc, "RPC error: Failed to send STAT GETATTR call for %s", data->path); | |
1119 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1120 | free_nfs_cb_data(data); | |
1121 | return -1; | |
1122 | } | |
1123 | return 0; | |
1124 | } | |
1125 | ||
1126 | ||
1127 | ||
1128 | /* | |
1129 | * Async fsync() | |
1130 | */ | |
1131 | static void nfs_fsync_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
1132 | { | |
1133 | struct nfs_cb_data *data = private_data; | |
1134 | struct nfs_context *nfs = data->nfs; | |
1135 | COMMIT3res *res; | |
1136 | ||
1137 | if (status == RPC_STATUS_ERROR) { | |
1138 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1139 | free_nfs_cb_data(data); | |
1140 | return; | |
1141 | } | |
1142 | if (status == RPC_STATUS_CANCEL) { | |
1143 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1144 | free_nfs_cb_data(data); | |
1145 | return; | |
1146 | } | |
1147 | ||
1148 | res = command_data; | |
1149 | if (res->status != NFS3_OK) { | |
1150 | rpc_set_error(nfs->rpc, "NFS: Commit failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
1151 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1152 | free_nfs_cb_data(data); | |
1153 | return; | |
1154 | } | |
1155 | ||
1156 | data->cb(0, nfs, NULL, data->private_data); | |
1157 | free_nfs_cb_data(data); | |
1158 | } | |
1159 | ||
1160 | int nfs_fsync_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data) | |
1161 | { | |
1162 | struct nfs_cb_data *data; | |
1163 | ||
1164 | data = malloc(sizeof(struct nfs_cb_data)); | |
1165 | if (data == NULL) { | |
1166 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
84004dbf RS |
1167 | return -1; |
1168 | } | |
1169 | bzero(data, sizeof(struct nfs_cb_data)); | |
1170 | data->nfs = nfs; | |
1171 | data->cb = cb; | |
1172 | data->private_data = private_data; | |
1173 | ||
1174 | if (rpc_nfs_commit_async(nfs->rpc, nfs_fsync_cb, &nfsfh->fh, data) != 0) { | |
1175 | rpc_set_error(nfs->rpc, "RPC error: Failed to send COMMIT call for %s", data->path); | |
1176 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1177 | free_nfs_cb_data(data); | |
1178 | return -1; | |
1179 | } | |
1180 | return 0; | |
1181 | } | |
1182 | ||
1183 | ||
1184 | ||
1185 | ||
1186 | /* | |
1187 | * Async ftruncate() | |
1188 | */ | |
1189 | static void nfs_ftruncate_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
1190 | { | |
1191 | struct nfs_cb_data *data = private_data; | |
1192 | struct nfs_context *nfs = data->nfs; | |
1193 | SETATTR3res *res; | |
1194 | ||
1195 | if (status == RPC_STATUS_ERROR) { | |
1196 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1197 | free_nfs_cb_data(data); | |
1198 | return; | |
1199 | } | |
1200 | if (status == RPC_STATUS_CANCEL) { | |
1201 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1202 | free_nfs_cb_data(data); | |
1203 | return; | |
1204 | } | |
1205 | ||
1206 | res = command_data; | |
1207 | if (res->status != NFS3_OK) { | |
1208 | rpc_set_error(nfs->rpc, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
1209 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1210 | free_nfs_cb_data(data); | |
1211 | return; | |
1212 | } | |
1213 | ||
1214 | data->cb(0, nfs, NULL, data->private_data); | |
1215 | free_nfs_cb_data(data); | |
1216 | } | |
1217 | ||
1218 | int nfs_ftruncate_async(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t length, nfs_cb cb, void *private_data) | |
1219 | { | |
1220 | struct nfs_cb_data *data; | |
1221 | SETATTR3args args; | |
1222 | ||
1223 | data = malloc(sizeof(struct nfs_cb_data)); | |
1224 | if (data == NULL) { | |
1225 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
84004dbf RS |
1226 | return -1; |
1227 | } | |
1228 | bzero(data, sizeof(struct nfs_cb_data)); | |
1229 | data->nfs = nfs; | |
1230 | data->cb = cb; | |
1231 | data->private_data = private_data; | |
1232 | ||
1233 | bzero(&args, sizeof(SETATTR3args)); | |
1234 | args.object.data.data_len = nfsfh->fh.data.data_len; | |
1235 | args.object.data.data_val = nfsfh->fh.data.data_val; | |
1236 | args.new_attributes.size.set_it = 1; | |
1237 | args.new_attributes.size.set_size3_u.size = length; | |
1238 | ||
1239 | if (rpc_nfs_setattr_async(nfs->rpc, nfs_ftruncate_cb, &args, data) != 0) { | |
1240 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path); | |
1241 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1242 | free_nfs_cb_data(data); | |
1243 | return -1; | |
1244 | } | |
1245 | return 0; | |
1246 | } | |
1247 | ||
1248 | ||
1249 | /* | |
1250 | * Async truncate() | |
1251 | */ | |
1252 | static int nfs_truncate_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
1253 | { | |
1254 | off_t offset = data->continue_int; | |
1255 | struct nfsfh nfsfh; | |
1256 | ||
1257 | nfsfh.fh.data.data_val = data->fh.data.data_val; | |
1258 | nfsfh.fh.data.data_len = data->fh.data.data_len; | |
1259 | ||
1260 | if (nfs_ftruncate_async(nfs, &nfsfh, offset, data->cb, data->private_data) != 0) { | |
1261 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path); | |
1262 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1263 | free_nfs_cb_data(data); | |
1264 | return -1; | |
1265 | } | |
1266 | free_nfs_cb_data(data); | |
1267 | return 0; | |
1268 | } | |
1269 | ||
1270 | int nfs_truncate_async(struct nfs_context *nfs, const char *path, off_t length, nfs_cb cb, void *private_data) | |
1271 | { | |
1272 | off_t offset; | |
1273 | ||
1274 | offset = length; | |
1275 | ||
1276 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_truncate_continue_internal, NULL, NULL, offset) != 0) { | |
cbbf9d3e RS |
1277 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
1278 | return -1; | |
84004dbf RS |
1279 | } |
1280 | ||
1281 | return 0; | |
1282 | } | |
1283 | ||
1284 | ||
1285 | ||
1286 | ||
1287 | /* | |
1288 | * Async mkdir() | |
1289 | */ | |
1290 | static void nfs_mkdir_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
1291 | { | |
1292 | MKDIR3res *res; | |
1293 | struct nfs_cb_data *data = private_data; | |
1294 | struct nfs_context *nfs = data->nfs; | |
1295 | char *str = data->continue_data; | |
1296 | ||
1297 | str = &str[strlen(str) + 1]; | |
1298 | ||
1299 | if (status == RPC_STATUS_ERROR) { | |
1300 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1301 | free_nfs_cb_data(data); | |
1302 | return; | |
1303 | } | |
1304 | if (status == RPC_STATUS_CANCEL) { | |
1305 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1306 | free_nfs_cb_data(data); | |
1307 | return; | |
1308 | } | |
1309 | ||
1310 | res = command_data; | |
1311 | if (res->status != NFS3_OK) { | |
1312 | 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)); | |
1313 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1314 | free_nfs_cb_data(data); | |
1315 | return; | |
1316 | } | |
1317 | ||
1318 | data->cb(0, nfs, NULL, data->private_data); | |
1319 | free_nfs_cb_data(data); | |
1320 | } | |
1321 | ||
1322 | static int nfs_mkdir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
1323 | { | |
1324 | char *str = data->continue_data; | |
1325 | ||
1326 | str = &str[strlen(str) + 1]; | |
1327 | ||
1328 | if (rpc_nfs_mkdir_async(nfs->rpc, nfs_mkdir_cb, &data->fh, str, data) != 0) { | |
1329 | rpc_set_error(nfs->rpc, "RPC error: Failed to send MKDIR call for %s", data->path); | |
1330 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1331 | free_nfs_cb_data(data); | |
1332 | return -1; | |
1333 | } | |
1334 | return 0; | |
1335 | } | |
1336 | ||
1337 | int nfs_mkdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
1338 | { | |
1339 | char *new_path; | |
1340 | char *ptr; | |
1341 | ||
1342 | new_path = strdup(path); | |
1343 | if (new_path == NULL) { | |
cbbf9d3e | 1344 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path"); |
84004dbf RS |
1345 | return -1; |
1346 | } | |
1347 | ||
a671a465 | 1348 | ptr = strrchr(new_path, '/'); |
84004dbf | 1349 | if (ptr == NULL) { |
cbbf9d3e RS |
1350 | rpc_set_error(nfs->rpc, "Invalid path %s", path); |
1351 | return -1; | |
84004dbf RS |
1352 | } |
1353 | *ptr = 0; | |
1354 | ||
1355 | /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */ | |
1356 | if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_mkdir_continue_internal, new_path, free, 0) != 0) { | |
cbbf9d3e RS |
1357 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path component"); |
1358 | return -1; | |
84004dbf RS |
1359 | } |
1360 | ||
1361 | return 0; | |
1362 | } | |
1363 | ||
1364 | ||
1365 | ||
1366 | ||
1367 | ||
1368 | /* | |
1369 | * Async rmdir() | |
1370 | */ | |
1371 | static void nfs_rmdir_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
1372 | { | |
1373 | RMDIR3res *res; | |
1374 | struct nfs_cb_data *data = private_data; | |
1375 | struct nfs_context *nfs = data->nfs; | |
1376 | char *str = data->continue_data; | |
1377 | ||
1378 | str = &str[strlen(str) + 1]; | |
1379 | ||
1380 | if (status == RPC_STATUS_ERROR) { | |
1381 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1382 | free_nfs_cb_data(data); | |
1383 | return; | |
1384 | } | |
1385 | if (status == RPC_STATUS_CANCEL) { | |
1386 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1387 | free_nfs_cb_data(data); | |
1388 | return; | |
1389 | } | |
1390 | ||
1391 | res = command_data; | |
1392 | if (res->status != NFS3_OK) { | |
1393 | 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)); | |
1394 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1395 | free_nfs_cb_data(data); | |
1396 | return; | |
1397 | } | |
1398 | ||
1399 | data->cb(0, nfs, NULL, data->private_data); | |
1400 | free_nfs_cb_data(data); | |
1401 | } | |
1402 | ||
1403 | static int nfs_rmdir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
1404 | { | |
1405 | char *str = data->continue_data; | |
1406 | ||
1407 | str = &str[strlen(str) + 1]; | |
1408 | ||
1409 | if (rpc_nfs_rmdir_async(nfs->rpc, nfs_rmdir_cb, &data->fh, str, data) != 0) { | |
1410 | rpc_set_error(nfs->rpc, "RPC error: Failed to send RMDIR call for %s", data->path); | |
1411 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1412 | free_nfs_cb_data(data); | |
1413 | return -1; | |
1414 | } | |
1415 | return 0; | |
1416 | } | |
1417 | ||
1418 | int nfs_rmdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
1419 | { | |
1420 | char *new_path; | |
1421 | char *ptr; | |
1422 | ||
1423 | new_path = strdup(path); | |
1424 | if (new_path == NULL) { | |
cbbf9d3e | 1425 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path"); |
84004dbf RS |
1426 | return -1; |
1427 | } | |
1428 | ||
a671a465 | 1429 | ptr = strrchr(new_path, '/'); |
84004dbf | 1430 | if (ptr == NULL) { |
cbbf9d3e RS |
1431 | rpc_set_error(nfs->rpc, "Invalid path %s", path); |
1432 | return -1; | |
84004dbf RS |
1433 | } |
1434 | *ptr = 0; | |
1435 | ||
1436 | /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */ | |
1437 | if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_rmdir_continue_internal, new_path, free, 0) != 0) { | |
cbbf9d3e RS |
1438 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
1439 | return -1; | |
84004dbf RS |
1440 | } |
1441 | ||
1442 | return 0; | |
1443 | } | |
1444 | ||
1445 | ||
1446 | ||
1447 | ||
1448 | /* | |
1449 | * Async creat() | |
1450 | */ | |
1451 | static void nfs_create_2_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
1452 | { | |
1453 | LOOKUP3res *res; | |
1454 | struct nfs_cb_data *data = private_data; | |
1455 | struct nfs_context *nfs = data->nfs; | |
1456 | struct nfsfh *nfsfh; | |
1457 | char *str = data->continue_data; | |
1458 | ||
1459 | if (status == RPC_STATUS_ERROR) { | |
1460 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1461 | free_nfs_cb_data(data); | |
1462 | return; | |
1463 | } | |
1464 | if (status == RPC_STATUS_CANCEL) { | |
1465 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1466 | free_nfs_cb_data(data); | |
1467 | return; | |
1468 | } | |
1469 | ||
1470 | str = &str[strlen(str) + 1]; | |
1471 | res = command_data; | |
1472 | if (res->status != NFS3_OK) { | |
1473 | 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)); | |
1474 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1475 | ||
1476 | return; | |
1477 | } | |
1478 | ||
1479 | nfsfh = malloc(sizeof(struct nfsfh)); | |
1480 | if (nfsfh == NULL) { | |
1481 | rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure"); | |
1482 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1483 | free_nfs_cb_data(data); | |
1484 | return; | |
1485 | } | |
1486 | bzero(nfsfh, sizeof(struct nfsfh)); | |
1487 | ||
1488 | /* steal the filehandle */ | |
1489 | nfsfh->fh.data.data_len = data->fh.data.data_len; | |
1490 | nfsfh->fh.data.data_val = data->fh.data.data_val; | |
1491 | data->fh.data.data_val = NULL; | |
1492 | ||
1493 | data->cb(0, nfs, nfsfh, data->private_data); | |
1494 | free_nfs_cb_data(data); | |
1495 | } | |
1496 | ||
1497 | ||
1498 | ||
1499 | static void nfs_creat_1_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
1500 | { | |
1501 | CREATE3res *res; | |
1502 | struct nfs_cb_data *data = private_data; | |
1503 | struct nfs_context *nfs = data->nfs; | |
1504 | char *str = data->continue_data; | |
1505 | ||
1506 | if (status == RPC_STATUS_ERROR) { | |
1507 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1508 | free_nfs_cb_data(data); | |
1509 | return; | |
1510 | } | |
1511 | if (status == RPC_STATUS_CANCEL) { | |
1512 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1513 | free_nfs_cb_data(data); | |
1514 | return; | |
1515 | } | |
1516 | ||
1517 | str = &str[strlen(str) + 1]; | |
1518 | res = command_data; | |
1519 | if (res->status != NFS3_OK) { | |
1520 | 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)); | |
1521 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1522 | ||
1523 | return; | |
1524 | } | |
1525 | ||
1526 | if (rpc_nfs_lookup_async(nfs->rpc, nfs_create_2_cb, &data->fh, str, data) != 0) { | |
1527 | rpc_set_error(nfs->rpc, "RPC error: Failed to send lookup call for %s/%s", data->saved_path, str); | |
1528 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1529 | free_nfs_cb_data(data); | |
1530 | return; | |
1531 | } | |
1532 | return; | |
1533 | } | |
1534 | ||
1535 | static int nfs_creat_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
1536 | { | |
1537 | char *str = data->continue_data; | |
1538 | ||
1539 | str = &str[strlen(str) + 1]; | |
1540 | ||
1541 | if (rpc_nfs_create_async(nfs->rpc, nfs_creat_1_cb, &data->fh, str, data->continue_int, data) != 0) { | |
1542 | rpc_set_error(nfs->rpc, "RPC error: Failed to send CREATE call for %s/%s", data->path, str); | |
1543 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1544 | free_nfs_cb_data(data); | |
1545 | return -1; | |
1546 | } | |
1547 | return 0; | |
1548 | } | |
1549 | ||
1550 | int nfs_creat_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data) | |
1551 | { | |
1552 | char *new_path; | |
1553 | char *ptr; | |
1554 | ||
1555 | new_path = strdup(path); | |
1556 | if (new_path == NULL) { | |
cbbf9d3e | 1557 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path"); |
84004dbf RS |
1558 | return -1; |
1559 | } | |
1560 | ||
a671a465 | 1561 | ptr = strrchr(new_path, '/'); |
84004dbf | 1562 | if (ptr == NULL) { |
cbbf9d3e RS |
1563 | rpc_set_error(nfs->rpc, "Invalid path %s", path); |
1564 | return -1; | |
84004dbf RS |
1565 | } |
1566 | *ptr = 0; | |
1567 | ||
1568 | /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */ | |
1569 | if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_creat_continue_internal, new_path, free, mode) != 0) { | |
cbbf9d3e RS |
1570 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
1571 | return -1; | |
84004dbf RS |
1572 | } |
1573 | ||
1574 | return 0; | |
1575 | } | |
1576 | ||
1577 | ||
1578 | ||
1579 | ||
1580 | /* | |
1581 | * Async unlink() | |
1582 | */ | |
1583 | static void nfs_unlink_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
1584 | { | |
1585 | REMOVE3res *res; | |
1586 | struct nfs_cb_data *data = private_data; | |
1587 | struct nfs_context *nfs = data->nfs; | |
1588 | char *str = data->continue_data; | |
1589 | ||
1590 | str = &str[strlen(str) + 1]; | |
1591 | ||
1592 | if (status == RPC_STATUS_ERROR) { | |
1593 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1594 | free_nfs_cb_data(data); | |
1595 | return; | |
1596 | } | |
1597 | if (status == RPC_STATUS_CANCEL) { | |
1598 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1599 | free_nfs_cb_data(data); | |
1600 | return; | |
1601 | } | |
1602 | ||
1603 | res = command_data; | |
1604 | if (res->status != NFS3_OK) { | |
1605 | 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)); | |
1606 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1607 | free_nfs_cb_data(data); | |
1608 | return; | |
1609 | } | |
1610 | ||
1611 | data->cb(0, nfs, NULL, data->private_data); | |
1612 | free_nfs_cb_data(data); | |
1613 | } | |
1614 | ||
1615 | static int nfs_unlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
1616 | { | |
1617 | char *str = data->continue_data; | |
1618 | ||
1619 | str = &str[strlen(str) + 1]; | |
1620 | ||
1621 | if (rpc_nfs_remove_async(nfs->rpc, nfs_unlink_cb, &data->fh, str, data) != 0) { | |
1622 | rpc_set_error(nfs->rpc, "RPC error: Failed to send REMOVE call for %s", data->path); | |
1623 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1624 | free_nfs_cb_data(data); | |
1625 | return -1; | |
1626 | } | |
1627 | return 0; | |
1628 | } | |
1629 | ||
1630 | int nfs_unlink_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
1631 | { | |
1632 | char *new_path; | |
1633 | char *ptr; | |
1634 | ||
1635 | new_path = strdup(path); | |
1636 | if (new_path == NULL) { | |
cbbf9d3e | 1637 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path"); |
84004dbf RS |
1638 | return -1; |
1639 | } | |
1640 | ||
a671a465 | 1641 | ptr = strrchr(new_path, '/'); |
84004dbf | 1642 | if (ptr == NULL) { |
cbbf9d3e RS |
1643 | rpc_set_error(nfs->rpc, "Invalid path %s", path); |
1644 | return -1; | |
84004dbf RS |
1645 | } |
1646 | *ptr = 0; | |
1647 | ||
1648 | /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */ | |
1649 | if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_unlink_continue_internal, new_path, free, 0) != 0) { | |
cbbf9d3e RS |
1650 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
1651 | return -1; | |
84004dbf RS |
1652 | } |
1653 | ||
1654 | return 0; | |
1655 | } | |
1656 | ||
1657 | ||
1658 | ||
1659 | ||
1660 | ||
1661 | /* | |
1662 | * Async opendir() | |
1663 | */ | |
1664 | static void nfs_opendir_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
1665 | { | |
1666 | READDIR3res *res; | |
1667 | struct nfs_cb_data *data = private_data; | |
1668 | struct nfs_context *nfs = data->nfs; | |
fb6510bb | 1669 | struct nfsdir *nfsdir = data->continue_data; |
84004dbf RS |
1670 | struct entry3 *entry; |
1671 | uint64_t cookie; | |
1672 | ||
1673 | if (status == RPC_STATUS_ERROR) { | |
1674 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1675 | nfs_free_nfsdir(nfsdir); | |
1676 | data->continue_data = NULL; | |
1677 | free_nfs_cb_data(data); | |
1678 | return; | |
1679 | } | |
1680 | if (status == RPC_STATUS_CANCEL) { | |
1681 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1682 | nfs_free_nfsdir(nfsdir); | |
1683 | data->continue_data = NULL; | |
1684 | free_nfs_cb_data(data); | |
1685 | return; | |
1686 | } | |
1687 | ||
1688 | res = command_data; | |
1689 | if (res->status != NFS3_OK) { | |
1690 | 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)); | |
1691 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1692 | nfs_free_nfsdir(nfsdir); | |
1693 | data->continue_data = NULL; | |
1694 | free_nfs_cb_data(data); | |
1695 | return; | |
1696 | } | |
1697 | ||
1698 | entry =res->READDIR3res_u.resok.reply.entries; | |
1699 | while (entry != NULL) { | |
1700 | struct nfsdirent *nfsdirent; | |
1701 | ||
1702 | nfsdirent = malloc(sizeof(struct nfsdirent)); | |
1703 | if (nfsdirent == NULL) { | |
1704 | data->cb(-ENOMEM, nfs, "Failed to allocate dirent", data->private_data); | |
1705 | nfs_free_nfsdir(nfsdir); | |
1706 | data->continue_data = NULL; | |
1707 | free_nfs_cb_data(data); | |
1708 | return; | |
1709 | } | |
1710 | bzero(nfsdirent, sizeof(struct nfsdirent)); | |
1711 | nfsdirent->name = strdup(entry->name); | |
1712 | if (nfsdirent->name == NULL) { | |
1713 | data->cb(-ENOMEM, nfs, "Failed to allocate dirent->name", data->private_data); | |
1714 | nfs_free_nfsdir(nfsdir); | |
1715 | data->continue_data = NULL; | |
1716 | free_nfs_cb_data(data); | |
1717 | return; | |
1718 | } | |
1719 | nfsdirent->inode = entry->fileid; | |
1720 | nfsdirent->next = nfsdir->entries; | |
1721 | nfsdir->entries = nfsdirent; | |
1722 | ||
1723 | cookie = entry->cookie; | |
1724 | entry = entry->nextentry; | |
1725 | } | |
1726 | ||
1727 | if (res->READDIR3res_u.resok.reply.eof == 0) { | |
1728 | if (rpc_nfs_readdir_async(nfs->rpc, nfs_opendir_cb, &data->fh, cookie, res->READDIR3res_u.resok.cookieverf, 20000, data) != 0) { | |
1729 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR call for %s", data->path); | |
1730 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1731 | nfs_free_nfsdir(nfsdir); | |
1732 | data->continue_data = NULL; | |
1733 | free_nfs_cb_data(data); | |
1734 | return; | |
1735 | } | |
1736 | return; | |
1737 | } | |
1738 | ||
1739 | /* steal the dirhandle */ | |
1740 | data->continue_data = NULL; | |
1741 | nfsdir->current = nfsdir->entries; | |
1742 | ||
1743 | data->cb(0, nfs, nfsdir, data->private_data); | |
1744 | free_nfs_cb_data(data); | |
1745 | } | |
1746 | ||
1747 | static int nfs_opendir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
1748 | { | |
1749 | cookieverf3 cv; | |
1750 | ||
1751 | bzero(cv, sizeof(cookieverf3)); | |
1752 | if (rpc_nfs_readdir_async(nfs->rpc, nfs_opendir_cb, &data->fh, 0, (char *)&cv, 20000, data) != 0) { | |
1753 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR call for %s", data->path); | |
1754 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1755 | free_nfs_cb_data(data); | |
1756 | return -1; | |
1757 | } | |
1758 | return 0; | |
1759 | } | |
1760 | ||
1761 | int nfs_opendir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
1762 | { | |
1763 | struct nfsdir *nfsdir; | |
1764 | ||
1765 | nfsdir = malloc(sizeof(struct nfsdir)); | |
1766 | if (nfsdir == NULL) { | |
cbbf9d3e | 1767 | rpc_set_error(nfs->rpc, "failed to allocate buffer for nfsdir"); |
84004dbf RS |
1768 | return -1; |
1769 | } | |
1770 | bzero(nfsdir, sizeof(struct nfsdir)); | |
1771 | ||
1772 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_opendir_continue_internal, nfsdir, free, 0) != 0) { | |
cbbf9d3e RS |
1773 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
1774 | return -1; | |
84004dbf RS |
1775 | } |
1776 | ||
1777 | return 0; | |
1778 | } | |
1779 | ||
1780 | ||
1781 | struct nfsdirent *nfs_readdir(struct nfs_context *nfs _U_, struct nfsdir *nfsdir) | |
1782 | { | |
1783 | struct nfsdirent *nfsdirent = nfsdir->current; | |
1784 | ||
1785 | if (nfsdir->current != NULL) { | |
1786 | nfsdir->current = nfsdir->current->next; | |
1787 | } | |
1788 | return nfsdirent; | |
1789 | } | |
1790 | ||
1791 | ||
1792 | void nfs_closedir(struct nfs_context *nfs _U_, struct nfsdir *nfsdir) | |
1793 | { | |
1794 | nfs_free_nfsdir(nfsdir); | |
1795 | } | |
1796 | ||
1797 | ||
1798 | ||
1799 | ||
1800 | ||
1801 | ||
1802 | ||
1803 | /* | |
1804 | * Async lseek() | |
1805 | */ | |
1806 | struct lseek_cb_data { | |
1807 | struct nfs_context *nfs; | |
1808 | struct nfsfh *nfsfh; | |
1809 | off_t offset; | |
1810 | nfs_cb cb; | |
1811 | void *private_data; | |
1812 | }; | |
1813 | ||
1814 | static void nfs_lseek_1_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
1815 | { | |
1816 | GETATTR3res *res; | |
1817 | struct lseek_cb_data *data = private_data; | |
1818 | struct nfs_context *nfs = data->nfs; | |
1819 | ||
1820 | if (status == RPC_STATUS_ERROR) { | |
1821 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1822 | free(data); | |
1823 | return; | |
1824 | } | |
1825 | if (status == RPC_STATUS_CANCEL) { | |
1826 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1827 | free(data); | |
1828 | return; | |
1829 | } | |
1830 | ||
1831 | res = command_data; | |
1832 | if (res->status != NFS3_OK) { | |
1833 | rpc_set_error(nfs->rpc, "NFS: GETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
1834 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1835 | free(data); | |
1836 | return; | |
1837 | } | |
1838 | ||
1839 | data->nfsfh->offset = data->offset + res->GETATTR3res_u.resok.obj_attributes.size; | |
1840 | data->cb(0, nfs, &data->nfsfh->offset, data->private_data); | |
1841 | free(data); | |
1842 | } | |
1843 | ||
1844 | int nfs_lseek_async(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t offset, int whence, nfs_cb cb, void *private_data) | |
1845 | { | |
1846 | struct lseek_cb_data *data; | |
1847 | ||
1848 | if (whence == SEEK_SET) { | |
1849 | nfsfh->offset = offset; | |
1850 | cb(0, nfs, &nfsfh->offset, private_data); | |
1851 | return 0; | |
1852 | } | |
1853 | if (whence == SEEK_CUR) { | |
1854 | nfsfh->offset += offset; | |
1855 | cb(0, nfs, &nfsfh->offset, private_data); | |
1856 | return 0; | |
1857 | } | |
1858 | ||
1859 | data = malloc(sizeof(struct lseek_cb_data)); | |
1860 | if (data == NULL) { | |
1861 | rpc_set_error(nfs->rpc, "Out Of Memory: Failed to malloc lseek cb data"); | |
1862 | return -1; | |
1863 | } | |
1864 | ||
1865 | data->nfs = nfs; | |
1866 | data->nfsfh = nfsfh; | |
1867 | data->offset = offset; | |
1868 | data->cb = cb; | |
1869 | data->private_data = private_data; | |
1870 | ||
1871 | if (rpc_nfs_getattr_async(nfs->rpc, nfs_lseek_1_cb, &nfsfh->fh, data) != 0) { | |
1872 | rpc_set_error(nfs->rpc, "RPC error: Failed to send LSEEK GETATTR call"); | |
1873 | free(data); | |
cbbf9d3e | 1874 | return -1; |
84004dbf RS |
1875 | } |
1876 | return 0; | |
1877 | } | |
1878 | ||
1879 | ||
1880 | ||
1881 | ||
1882 | /* | |
1883 | * Async statvfs() | |
1884 | */ | |
1885 | static void nfs_statvfs_1_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
1886 | { | |
1887 | FSSTAT3res *res; | |
1888 | struct nfs_cb_data *data = private_data; | |
1889 | struct nfs_context *nfs = data->nfs; | |
1890 | struct statvfs svfs; | |
1891 | ||
1892 | if (status == RPC_STATUS_ERROR) { | |
1893 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1894 | free_nfs_cb_data(data); | |
1895 | return; | |
1896 | } | |
1897 | if (status == RPC_STATUS_CANCEL) { | |
1898 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1899 | free_nfs_cb_data(data); | |
1900 | return; | |
1901 | } | |
1902 | ||
1903 | res = command_data; | |
1904 | if (res->status != NFS3_OK) { | |
1905 | 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)); | |
1906 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1907 | free_nfs_cb_data(data); | |
1908 | return; | |
1909 | } | |
1910 | ||
1911 | svfs.f_bsize = 4096; | |
1912 | svfs.f_frsize = 4096; | |
1913 | svfs.f_blocks = res->FSSTAT3res_u.resok.tbytes/4096; | |
1914 | svfs.f_bfree = res->FSSTAT3res_u.resok.fbytes/4096; | |
1915 | svfs.f_bavail = res->FSSTAT3res_u.resok.abytes/4096; | |
1916 | svfs.f_files = res->FSSTAT3res_u.resok.tfiles; | |
1917 | svfs.f_ffree = res->FSSTAT3res_u.resok.ffiles; | |
1918 | svfs.f_favail = res->FSSTAT3res_u.resok.afiles; | |
1919 | svfs.f_fsid = 0; | |
1920 | svfs.f_flag = 0; | |
1921 | svfs.f_namemax = 256; | |
1922 | ||
1923 | data->cb(0, nfs, &svfs, data->private_data); | |
1924 | free_nfs_cb_data(data); | |
1925 | } | |
1926 | ||
1927 | static int nfs_statvfs_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
1928 | { | |
1929 | if (rpc_nfs_fsstat_async(nfs->rpc, nfs_statvfs_1_cb, &data->fh, data) != 0) { | |
1930 | rpc_set_error(nfs->rpc, "RPC error: Failed to send FSSTAT call for %s", data->path); | |
1931 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1932 | free_nfs_cb_data(data); | |
1933 | return -1; | |
1934 | } | |
1935 | return 0; | |
1936 | } | |
1937 | ||
1938 | int nfs_statvfs_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
1939 | { | |
1940 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_statvfs_continue_internal, NULL, NULL, 0) != 0) { | |
cbbf9d3e | 1941 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
1942 | return -1; |
1943 | } | |
1944 | ||
1945 | return 0; | |
1946 | } | |
1947 | ||
1948 | ||
1949 | ||
1950 | ||
1951 | /* | |
1952 | * Async readlink() | |
1953 | */ | |
1954 | static void nfs_readlink_1_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
1955 | { | |
1956 | READLINK3res *res; | |
1957 | struct nfs_cb_data *data = private_data; | |
1958 | struct nfs_context *nfs = data->nfs; | |
1959 | ||
1960 | if (status == RPC_STATUS_ERROR) { | |
1961 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1962 | free_nfs_cb_data(data); | |
1963 | return; | |
1964 | } | |
1965 | if (status == RPC_STATUS_CANCEL) { | |
1966 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1967 | free_nfs_cb_data(data); | |
1968 | return; | |
1969 | } | |
1970 | ||
1971 | res = command_data; | |
1972 | if (res->status != NFS3_OK) { | |
1973 | 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)); | |
1974 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1975 | free_nfs_cb_data(data); | |
1976 | return; | |
1977 | } | |
1978 | ||
1979 | ||
1980 | data->cb(0, nfs, res->READLINK3res_u.resok.data, data->private_data); | |
1981 | free_nfs_cb_data(data); | |
1982 | } | |
1983 | ||
1984 | static int nfs_readlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
1985 | { | |
1986 | if (rpc_nfs_readlink_async(nfs->rpc, nfs_readlink_1_cb, &data->fh, data) != 0) { | |
1987 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READLINK call for %s", data->path); | |
1988 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1989 | free_nfs_cb_data(data); | |
1990 | return -1; | |
1991 | } | |
1992 | return 0; | |
1993 | } | |
1994 | ||
1995 | int nfs_readlink_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
1996 | { | |
1997 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_readlink_continue_internal, NULL, NULL, 0) != 0) { | |
cbbf9d3e | 1998 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
1999 | return -1; |
2000 | } | |
2001 | ||
2002 | return 0; | |
2003 | } | |
2004 | ||
2005 | ||
2006 | ||
2007 | ||
2008 | /* | |
2009 | * Async chmod() | |
2010 | */ | |
2011 | static void nfs_chmod_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
2012 | { | |
2013 | struct nfs_cb_data *data = private_data; | |
2014 | struct nfs_context *nfs = data->nfs; | |
2015 | SETATTR3res *res; | |
2016 | ||
2017 | if (status == RPC_STATUS_ERROR) { | |
2018 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2019 | free_nfs_cb_data(data); | |
2020 | return; | |
2021 | } | |
2022 | if (status == RPC_STATUS_CANCEL) { | |
2023 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2024 | free_nfs_cb_data(data); | |
2025 | return; | |
2026 | } | |
2027 | ||
2028 | res = command_data; | |
2029 | if (res->status != NFS3_OK) { | |
2030 | rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
2031 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2032 | free_nfs_cb_data(data); | |
2033 | return; | |
2034 | } | |
2035 | ||
2036 | data->cb(0, nfs, NULL, data->private_data); | |
2037 | free_nfs_cb_data(data); | |
2038 | } | |
2039 | ||
2040 | static int nfs_chmod_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
2041 | { | |
2042 | SETATTR3args args; | |
2043 | ||
2044 | bzero(&args, sizeof(SETATTR3args)); | |
2045 | args.object.data.data_len = data->fh.data.data_len; | |
2046 | args.object.data.data_val = data->fh.data.data_val; | |
2047 | args.new_attributes.mode.set_it = 1; | |
2048 | args.new_attributes.mode.set_mode3_u.mode = data->continue_int; | |
2049 | ||
2050 | if (rpc_nfs_setattr_async(nfs->rpc, nfs_chmod_cb, &args, data) != 0) { | |
2051 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path); | |
2052 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2053 | free_nfs_cb_data(data); | |
2054 | return -1; | |
2055 | } | |
2056 | return 0; | |
2057 | } | |
2058 | ||
2059 | ||
2060 | int nfs_chmod_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data) | |
2061 | { | |
2062 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_chmod_continue_internal, NULL, NULL, mode) != 0) { | |
cbbf9d3e | 2063 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
2064 | return -1; |
2065 | } | |
2066 | ||
2067 | return 0; | |
2068 | } | |
2069 | ||
2070 | /* | |
2071 | * Async fchmod() | |
2072 | */ | |
2073 | int nfs_fchmod_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int mode, nfs_cb cb, void *private_data) | |
2074 | { | |
2075 | struct nfs_cb_data *data; | |
2076 | ||
2077 | data = malloc(sizeof(struct nfs_cb_data)); | |
2078 | if (data == NULL) { | |
cbbf9d3e | 2079 | rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for nfs mount data"); |
84004dbf RS |
2080 | return -1; |
2081 | } | |
2082 | bzero(data, sizeof(struct nfs_cb_data)); | |
2083 | data->nfs = nfs; | |
2084 | data->cb = cb; | |
2085 | data->private_data = private_data; | |
2086 | data->continue_int = mode; | |
2087 | data->fh.data.data_len = nfsfh->fh.data.data_len; | |
2088 | data->fh.data.data_val = malloc(data->fh.data.data_len); | |
2089 | if (data->fh.data.data_val == NULL) { | |
2090 | rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh"); | |
2091 | free_nfs_cb_data(data); | |
2092 | return -1; | |
2093 | } | |
2094 | memcpy(data->fh.data.data_val, nfsfh->fh.data.data_val, data->fh.data.data_len); | |
2095 | ||
2096 | if (nfs_chmod_continue_internal(nfs, data) != 0) { | |
2097 | free_nfs_cb_data(data); | |
2098 | return -1; | |
2099 | } | |
2100 | ||
2101 | return 0; | |
2102 | } | |
2103 | ||
2104 | ||
2105 | ||
2106 | /* | |
2107 | * Async chown() | |
2108 | */ | |
2109 | static void nfs_chown_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
2110 | { | |
2111 | struct nfs_cb_data *data = private_data; | |
2112 | struct nfs_context *nfs = data->nfs; | |
2113 | SETATTR3res *res; | |
2114 | ||
2115 | if (status == RPC_STATUS_ERROR) { | |
2116 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2117 | free_nfs_cb_data(data); | |
2118 | return; | |
2119 | } | |
2120 | if (status == RPC_STATUS_CANCEL) { | |
2121 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2122 | free_nfs_cb_data(data); | |
2123 | return; | |
2124 | } | |
2125 | ||
2126 | res = command_data; | |
2127 | if (res->status != NFS3_OK) { | |
2128 | rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
2129 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2130 | free_nfs_cb_data(data); | |
2131 | return; | |
2132 | } | |
2133 | ||
2134 | data->cb(0, nfs, NULL, data->private_data); | |
2135 | free_nfs_cb_data(data); | |
2136 | } | |
2137 | ||
2138 | struct nfs_chown_data { | |
2139 | uid_t uid; | |
2140 | gid_t gid; | |
2141 | }; | |
2142 | ||
2143 | static int nfs_chown_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
2144 | { | |
2145 | SETATTR3args args; | |
2146 | struct nfs_chown_data *chown_data = data->continue_data; | |
2147 | ||
2148 | bzero(&args, sizeof(SETATTR3args)); | |
2149 | args.object.data.data_len = data->fh.data.data_len; | |
2150 | args.object.data.data_val = data->fh.data.data_val; | |
2151 | if (chown_data->uid != (uid_t)-1) { | |
2152 | args.new_attributes.uid.set_it = 1; | |
2153 | args.new_attributes.uid.set_uid3_u.uid = chown_data->uid; | |
2154 | } | |
2155 | if (chown_data->gid != (gid_t)-1) { | |
2156 | args.new_attributes.gid.set_it = 1; | |
2157 | args.new_attributes.gid.set_gid3_u.gid = chown_data->gid; | |
2158 | } | |
2159 | ||
2160 | if (rpc_nfs_setattr_async(nfs->rpc, nfs_chown_cb, &args, data) != 0) { | |
2161 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path); | |
2162 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2163 | free_nfs_cb_data(data); | |
2164 | return -1; | |
2165 | } | |
2166 | return 0; | |
2167 | } | |
2168 | ||
2169 | ||
2170 | int nfs_chown_async(struct nfs_context *nfs, const char *path, int uid, int gid, nfs_cb cb, void *private_data) | |
2171 | { | |
2172 | struct nfs_chown_data *chown_data; | |
2173 | ||
2174 | chown_data = malloc(sizeof(struct nfs_chown_data)); | |
2175 | if (chown_data == NULL) { | |
cbbf9d3e | 2176 | rpc_set_error(nfs->rpc, "Failed to allocate memory for chown data structure"); |
84004dbf RS |
2177 | return -1; |
2178 | } | |
2179 | ||
2180 | chown_data->uid = uid; | |
2181 | chown_data->gid = gid; | |
2182 | ||
2183 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_chown_continue_internal, chown_data, free, 0) != 0) { | |
cbbf9d3e | 2184 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
2185 | return -1; |
2186 | } | |
2187 | ||
2188 | return 0; | |
2189 | } | |
2190 | ||
2191 | ||
2192 | /* | |
2193 | * Async fchown() | |
2194 | */ | |
2195 | int nfs_fchown_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int uid, int gid, nfs_cb cb, void *private_data) | |
2196 | { | |
2197 | struct nfs_cb_data *data; | |
2198 | struct nfs_chown_data *chown_data; | |
2199 | ||
2200 | chown_data = malloc(sizeof(struct nfs_chown_data)); | |
2201 | if (chown_data == NULL) { | |
cbbf9d3e | 2202 | rpc_set_error(nfs->rpc, "Failed to allocate memory for chown data structure"); |
84004dbf RS |
2203 | return -1; |
2204 | } | |
2205 | ||
2206 | chown_data->uid = uid; | |
2207 | chown_data->gid = gid; | |
2208 | ||
2209 | ||
2210 | data = malloc(sizeof(struct nfs_cb_data)); | |
2211 | if (data == NULL) { | |
cbbf9d3e | 2212 | rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for fchown data"); |
84004dbf RS |
2213 | return -1; |
2214 | } | |
2215 | bzero(data, sizeof(struct nfs_cb_data)); | |
2216 | data->nfs = nfs; | |
2217 | data->cb = cb; | |
2218 | data->private_data = private_data; | |
2219 | data->continue_data = chown_data; | |
2220 | data->fh.data.data_len = nfsfh->fh.data.data_len; | |
2221 | data->fh.data.data_val = malloc(data->fh.data.data_len); | |
2222 | if (data->fh.data.data_val == NULL) { | |
2223 | rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh"); | |
2224 | free_nfs_cb_data(data); | |
2225 | return -1; | |
2226 | } | |
2227 | memcpy(data->fh.data.data_val, nfsfh->fh.data.data_val, data->fh.data.data_len); | |
2228 | ||
2229 | ||
2230 | if (nfs_chown_continue_internal(nfs, data) != 0) { | |
2231 | free_nfs_cb_data(data); | |
2232 | return -1; | |
2233 | } | |
2234 | ||
2235 | return 0; | |
2236 | } | |
2237 | ||
2238 | ||
2239 | ||
2240 | ||
2241 | ||
2242 | /* | |
2243 | * Async utimes() | |
2244 | */ | |
2245 | static void nfs_utimes_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
2246 | { | |
2247 | struct nfs_cb_data *data = private_data; | |
2248 | struct nfs_context *nfs = data->nfs; | |
2249 | SETATTR3res *res; | |
2250 | ||
2251 | if (status == RPC_STATUS_ERROR) { | |
2252 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2253 | free_nfs_cb_data(data); | |
2254 | return; | |
2255 | } | |
2256 | if (status == RPC_STATUS_CANCEL) { | |
2257 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2258 | free_nfs_cb_data(data); | |
2259 | return; | |
2260 | } | |
2261 | ||
2262 | res = command_data; | |
2263 | if (res->status != NFS3_OK) { | |
2264 | rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
2265 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2266 | free_nfs_cb_data(data); | |
2267 | return; | |
2268 | } | |
2269 | ||
2270 | data->cb(0, nfs, NULL, data->private_data); | |
2271 | free_nfs_cb_data(data); | |
2272 | } | |
2273 | ||
2274 | static int nfs_utimes_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
2275 | { | |
2276 | SETATTR3args args; | |
2277 | struct timeval *utimes_data = data->continue_data; | |
2278 | ||
2279 | bzero(&args, sizeof(SETATTR3args)); | |
2280 | args.object.data.data_len = data->fh.data.data_len; | |
2281 | args.object.data.data_val = data->fh.data.data_val; | |
2282 | if (utimes_data != NULL) { | |
2283 | args.new_attributes.atime.set_it = SET_TO_CLIENT_TIME; | |
2284 | args.new_attributes.atime.set_atime_u.atime.seconds = utimes_data[0].tv_sec; | |
2285 | args.new_attributes.atime.set_atime_u.atime.nseconds = utimes_data[0].tv_usec * 1000; | |
2286 | args.new_attributes.mtime.set_it = SET_TO_CLIENT_TIME; | |
2287 | args.new_attributes.mtime.set_mtime_u.mtime.seconds = utimes_data[1].tv_sec; | |
2288 | args.new_attributes.mtime.set_mtime_u.mtime.nseconds = utimes_data[1].tv_usec * 1000; | |
2289 | } else { | |
2290 | args.new_attributes.atime.set_it = SET_TO_SERVER_TIME; | |
2291 | args.new_attributes.mtime.set_it = SET_TO_SERVER_TIME; | |
2292 | } | |
2293 | ||
2294 | if (rpc_nfs_setattr_async(nfs->rpc, nfs_utimes_cb, &args, data) != 0) { | |
2295 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path); | |
2296 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2297 | free_nfs_cb_data(data); | |
2298 | return -1; | |
2299 | } | |
2300 | return 0; | |
2301 | } | |
2302 | ||
2303 | ||
2304 | int nfs_utimes_async(struct nfs_context *nfs, const char *path, struct timeval *times, nfs_cb cb, void *private_data) | |
2305 | { | |
2306 | struct timeval *new_times = NULL; | |
2307 | ||
2308 | if (times != NULL) { | |
2309 | new_times = malloc(sizeof(struct timeval)*2); | |
2310 | if (new_times == NULL) { | |
cbbf9d3e | 2311 | rpc_set_error(nfs->rpc, "Failed to allocate memory for timeval structure"); |
84004dbf RS |
2312 | return -1; |
2313 | } | |
2314 | ||
2315 | memcpy(new_times, times, sizeof(struct timeval)*2); | |
2316 | } | |
2317 | ||
2318 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_utimes_continue_internal, new_times, free, 0) != 0) { | |
cbbf9d3e | 2319 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
2320 | return -1; |
2321 | } | |
2322 | ||
2323 | return 0; | |
2324 | } | |
2325 | ||
2326 | /* | |
2327 | * Async utime() | |
2328 | */ | |
2329 | int nfs_utime_async(struct nfs_context *nfs, const char *path, struct utimbuf *times, nfs_cb cb, void *private_data) | |
2330 | { | |
2331 | struct timeval *new_times = NULL; | |
2332 | ||
2333 | if (times != NULL) { | |
2334 | new_times = malloc(sizeof(struct timeval)*2); | |
2335 | if (new_times == NULL) { | |
cbbf9d3e | 2336 | rpc_set_error(nfs->rpc, "Failed to allocate memory for timeval structure"); |
84004dbf RS |
2337 | return -1; |
2338 | } | |
2339 | ||
2340 | new_times[0].tv_sec = times->actime; | |
2341 | new_times[0].tv_usec = 0; | |
2342 | new_times[1].tv_sec = times->modtime; | |
2343 | new_times[1].tv_usec = 0; | |
2344 | } | |
2345 | ||
2346 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_utimes_continue_internal, new_times, free, 0) != 0) { | |
cbbf9d3e | 2347 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
2348 | return -1; |
2349 | } | |
2350 | ||
2351 | return 0; | |
2352 | } | |
2353 | ||
2354 | ||
2355 | ||
2356 | ||
2357 | ||
2358 | /* | |
2359 | * Async access() | |
2360 | */ | |
2361 | static void nfs_access_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
2362 | { | |
2363 | ACCESS3res *res; | |
2364 | struct nfs_cb_data *data = private_data; | |
2365 | struct nfs_context *nfs = data->nfs; | |
2366 | unsigned int nfsmode = 0; | |
2367 | ||
2368 | if (status == RPC_STATUS_ERROR) { | |
2369 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2370 | free_nfs_cb_data(data); | |
2371 | return; | |
2372 | } | |
2373 | if (status == RPC_STATUS_CANCEL) { | |
2374 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2375 | free_nfs_cb_data(data); | |
2376 | return; | |
2377 | } | |
2378 | ||
2379 | res = command_data; | |
2380 | if (res->status != NFS3_OK) { | |
2381 | 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)); | |
2382 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2383 | free_nfs_cb_data(data); | |
2384 | return; | |
2385 | } | |
2386 | ||
2387 | if (data->continue_int & R_OK) { | |
2388 | nfsmode |= ACCESS3_READ; | |
2389 | } | |
2390 | if (data->continue_int & W_OK) { | |
2391 | nfsmode |= ACCESS3_MODIFY; | |
2392 | } | |
2393 | if (data->continue_int & X_OK) { | |
2394 | nfsmode |= ACCESS3_EXECUTE; | |
2395 | } | |
2396 | ||
2397 | if (res->ACCESS3res_u.resok.access != nfsmode) { | |
2398 | rpc_set_error(nfs->rpc, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c", | |
2399 | nfsmode&ACCESS3_READ?'r':'-', | |
2400 | nfsmode&ACCESS3_MODIFY?'w':'-', | |
2401 | nfsmode&ACCESS3_EXECUTE?'x':'-', | |
2402 | res->ACCESS3res_u.resok.access&ACCESS3_READ?'r':'-', | |
2403 | res->ACCESS3res_u.resok.access&ACCESS3_MODIFY?'w':'-', | |
2404 | res->ACCESS3res_u.resok.access&ACCESS3_EXECUTE?'x':'-'); | |
2405 | data->cb(-EACCES, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2406 | free_nfs_cb_data(data); | |
2407 | return; | |
2408 | } | |
2409 | ||
2410 | data->cb(0, nfs, NULL, data->private_data); | |
2411 | free_nfs_cb_data(data); | |
2412 | } | |
2413 | ||
2414 | static int nfs_access_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
2415 | { | |
2416 | int nfsmode = 0; | |
2417 | ||
2418 | if (data->continue_int & R_OK) { | |
2419 | nfsmode |= ACCESS3_READ; | |
2420 | } | |
2421 | if (data->continue_int & W_OK) { | |
2422 | nfsmode |= ACCESS3_MODIFY; | |
2423 | } | |
2424 | if (data->continue_int & X_OK) { | |
2425 | nfsmode |= ACCESS3_EXECUTE; | |
2426 | } | |
2427 | ||
2428 | if (rpc_nfs_access_async(nfs->rpc, nfs_access_cb, &data->fh, nfsmode, data) != 0) { | |
2429 | rpc_set_error(nfs->rpc, "RPC error: Failed to send OPEN ACCESS call for %s", data->path); | |
2430 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2431 | free_nfs_cb_data(data); | |
2432 | return -1; | |
2433 | } | |
2434 | return 0; | |
2435 | } | |
2436 | ||
2437 | int nfs_access_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data) | |
2438 | { | |
2439 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_access_continue_internal, NULL, NULL, mode) != 0) { | |
cbbf9d3e RS |
2440 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
2441 | return -1; | |
84004dbf RS |
2442 | } |
2443 | ||
2444 | return 0; | |
2445 | } | |
2446 | ||
2447 | ||
2448 | ||
2449 | /* | |
2450 | * Async symlink() | |
2451 | */ | |
2452 | struct nfs_symlink_data { | |
2453 | char *oldpath; | |
2454 | char *newpathparent; | |
2455 | char *newpathobject; | |
2456 | }; | |
2457 | ||
2458 | static void free_nfs_symlink_data(void *mem) | |
2459 | { | |
2460 | struct nfs_symlink_data *data = mem; | |
2461 | ||
2462 | if (data->oldpath != NULL) { | |
2463 | free(data->oldpath); | |
2464 | } | |
2465 | if (data->newpathparent != NULL) { | |
2466 | free(data->newpathparent); | |
2467 | } | |
2468 | if (data->newpathobject != NULL) { | |
2469 | free(data->newpathobject); | |
2470 | } | |
2471 | free(data); | |
2472 | } | |
2473 | ||
2474 | static void nfs_symlink_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
2475 | { | |
2476 | SYMLINK3res *res; | |
2477 | struct nfs_cb_data *data = private_data; | |
2478 | struct nfs_context *nfs = data->nfs; | |
2479 | struct nfs_symlink_data *symlink_data = data->continue_data; | |
2480 | ||
2481 | if (status == RPC_STATUS_ERROR) { | |
2482 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2483 | free_nfs_cb_data(data); | |
2484 | return; | |
2485 | } | |
2486 | if (status == RPC_STATUS_CANCEL) { | |
2487 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2488 | free_nfs_cb_data(data); | |
2489 | return; | |
2490 | } | |
2491 | ||
2492 | res = command_data; | |
2493 | if (res->status != NFS3_OK) { | |
2494 | 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)); | |
2495 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2496 | free_nfs_cb_data(data); | |
2497 | return; | |
2498 | } | |
2499 | ||
2500 | data->cb(0, nfs, NULL, data->private_data); | |
2501 | free_nfs_cb_data(data); | |
2502 | } | |
2503 | ||
2504 | static int nfs_symlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
2505 | { | |
2506 | struct nfs_symlink_data *symlink_data = data->continue_data; | |
2507 | ||
2508 | if (rpc_nfs_symlink_async(nfs->rpc, nfs_symlink_cb, &data->fh, symlink_data->newpathobject, symlink_data->oldpath, data) != 0) { | |
2509 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SYMLINK call for %s", data->path); | |
2510 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2511 | free_nfs_cb_data(data); | |
2512 | return -1; | |
2513 | } | |
2514 | return 0; | |
2515 | } | |
2516 | ||
2517 | int nfs_symlink_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data) | |
2518 | { | |
2519 | char *ptr; | |
2520 | struct nfs_symlink_data *symlink_data; | |
2521 | ||
2522 | symlink_data = malloc(sizeof(struct nfs_symlink_data)); | |
2523 | if (symlink_data == NULL) { | |
cbbf9d3e | 2524 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for symlink data"); |
84004dbf RS |
2525 | return -1; |
2526 | } | |
2527 | bzero(symlink_data, sizeof(struct nfs_symlink_data)); | |
2528 | ||
2529 | symlink_data->oldpath = strdup(oldpath); | |
2530 | if (symlink_data->oldpath == NULL) { | |
cbbf9d3e | 2531 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath"); |
84004dbf | 2532 | free_nfs_symlink_data(symlink_data); |
cbbf9d3e | 2533 | return -1; |
84004dbf RS |
2534 | } |
2535 | ||
2536 | symlink_data->newpathparent = strdup(newpath); | |
2537 | if (symlink_data->newpathparent == NULL) { | |
cbbf9d3e | 2538 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for new path"); |
84004dbf | 2539 | free_nfs_symlink_data(symlink_data); |
cbbf9d3e | 2540 | return -1; |
84004dbf RS |
2541 | } |
2542 | ||
a671a465 | 2543 | ptr = strrchr(symlink_data->newpathparent, '/'); |
84004dbf | 2544 | if (ptr == NULL) { |
cbbf9d3e | 2545 | rpc_set_error(nfs->rpc, "Invalid path %s", oldpath); |
84004dbf | 2546 | free_nfs_symlink_data(symlink_data); |
cbbf9d3e | 2547 | return -1; |
84004dbf RS |
2548 | } |
2549 | *ptr = 0; | |
2550 | ptr++; | |
2551 | ||
2552 | symlink_data->newpathobject = strdup(ptr); | |
2553 | if (symlink_data->newpathobject == NULL) { | |
cbbf9d3e | 2554 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for new path"); |
84004dbf | 2555 | free_nfs_symlink_data(symlink_data); |
cbbf9d3e | 2556 | return -1; |
84004dbf RS |
2557 | } |
2558 | ||
2559 | if (nfs_lookuppath_async(nfs, symlink_data->newpathparent, cb, private_data, nfs_symlink_continue_internal, symlink_data, free_nfs_symlink_data, 0) != 0) { | |
cbbf9d3e RS |
2560 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
2561 | return -1; | |
84004dbf RS |
2562 | } |
2563 | ||
2564 | return 0; | |
2565 | } | |
2566 | ||
2567 | ||
2568 | ||
2569 | /* | |
2570 | * Async rename() | |
2571 | */ | |
2572 | struct nfs_rename_data { | |
2573 | char *oldpath; | |
2574 | char *oldobject; | |
2575 | struct nfs_fh3 olddir; | |
2576 | char *newpath; | |
2577 | char *newobject; | |
2578 | struct nfs_fh3 newdir; | |
2579 | }; | |
2580 | ||
2581 | static void free_nfs_rename_data(void *mem) | |
2582 | { | |
2583 | struct nfs_rename_data *data = mem; | |
2584 | ||
2585 | if (data->oldpath != NULL) { | |
2586 | free(data->oldpath); | |
2587 | } | |
2588 | if (data->olddir.data.data_val != NULL) { | |
2589 | free(data->olddir.data.data_val); | |
2590 | } | |
2591 | if (data->newpath != NULL) { | |
2592 | free(data->newpath); | |
2593 | } | |
2594 | if (data->newdir.data.data_val != NULL) { | |
2595 | free(data->newdir.data.data_val); | |
2596 | } | |
2597 | free(data); | |
2598 | } | |
2599 | ||
2600 | static void nfs_rename_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
2601 | { | |
2602 | RENAME3res *res; | |
2603 | struct nfs_cb_data *data = private_data; | |
2604 | struct nfs_context *nfs = data->nfs; | |
2605 | struct nfs_rename_data *rename_data = data->continue_data; | |
2606 | ||
2607 | if (status == RPC_STATUS_ERROR) { | |
2608 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2609 | free_nfs_cb_data(data); | |
2610 | return; | |
2611 | } | |
2612 | if (status == RPC_STATUS_CANCEL) { | |
2613 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2614 | free_nfs_cb_data(data); | |
2615 | return; | |
2616 | } | |
2617 | ||
2618 | res = command_data; | |
2619 | if (res->status != NFS3_OK) { | |
2620 | 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)); | |
2621 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2622 | free_nfs_cb_data(data); | |
2623 | return; | |
2624 | } | |
2625 | ||
2626 | data->cb(0, nfs, NULL, data->private_data); | |
2627 | free_nfs_cb_data(data); | |
2628 | } | |
2629 | ||
2630 | static int nfs_rename_continue_2_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
2631 | { | |
2632 | struct nfs_rename_data *rename_data = data->continue_data; | |
2633 | ||
2634 | /* steal the filehandle */ | |
2635 | rename_data->newdir.data.data_len = data->fh.data.data_len; | |
2636 | rename_data->newdir.data.data_val = data->fh.data.data_val; | |
2637 | data->fh.data.data_val = NULL; | |
2638 | ||
2639 | if (rpc_nfs_rename_async(nfs->rpc, nfs_rename_cb, &rename_data->olddir, rename_data->oldobject, &rename_data->newdir, rename_data->newobject, data) != 0) { | |
2640 | rpc_set_error(nfs->rpc, "RPC error: Failed to send RENAME call for %s", data->path); | |
2641 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2642 | free_nfs_cb_data(data); | |
2643 | return -1; | |
2644 | } | |
2645 | return 0; | |
2646 | } | |
2647 | ||
2648 | ||
2649 | static int nfs_rename_continue_1_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
2650 | { | |
2651 | struct nfs_rename_data *rename_data = data->continue_data; | |
2652 | ||
2653 | /* steal the filehandle */ | |
2654 | rename_data->olddir.data.data_len = data->fh.data.data_len; | |
2655 | rename_data->olddir.data.data_val = data->fh.data.data_val; | |
2656 | data->fh.data.data_val = NULL; | |
2657 | ||
2658 | 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) { | |
2659 | rpc_set_error(nfs->rpc, "RPC error: Failed to send LOOKUP call for %s", rename_data->newpath); | |
2660 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2661 | free_nfs_cb_data(data); | |
2662 | return -1; | |
2663 | } | |
2664 | data->continue_data = NULL; | |
2665 | free_nfs_cb_data(data); | |
2666 | ||
2667 | return 0; | |
2668 | } | |
2669 | ||
2670 | ||
2671 | int nfs_rename_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data) | |
2672 | { | |
2673 | char *ptr; | |
2674 | struct nfs_rename_data *rename_data; | |
2675 | ||
2676 | rename_data = malloc(sizeof(struct nfs_rename_data)); | |
2677 | if (rename_data == NULL) { | |
cbbf9d3e | 2678 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for rename data"); |
84004dbf RS |
2679 | return -1; |
2680 | } | |
2681 | bzero(rename_data, sizeof(struct nfs_rename_data)); | |
2682 | ||
2683 | rename_data->oldpath = strdup(oldpath); | |
2684 | if (rename_data->oldpath == NULL) { | |
cbbf9d3e | 2685 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath"); |
84004dbf | 2686 | free_nfs_rename_data(rename_data); |
cbbf9d3e | 2687 | return -1; |
84004dbf | 2688 | } |
a671a465 | 2689 | ptr = strrchr(rename_data->oldpath, '/'); |
84004dbf | 2690 | if (ptr == NULL) { |
cbbf9d3e | 2691 | rpc_set_error(nfs->rpc, "Invalid path %s", oldpath); |
84004dbf | 2692 | free_nfs_rename_data(rename_data); |
cbbf9d3e | 2693 | return -1; |
84004dbf RS |
2694 | } |
2695 | *ptr = 0; | |
2696 | ptr++; | |
2697 | rename_data->oldobject = ptr; | |
2698 | ||
2699 | ||
2700 | rename_data->newpath = strdup(newpath); | |
2701 | if (rename_data->newpath == NULL) { | |
cbbf9d3e | 2702 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for newpath"); |
84004dbf | 2703 | free_nfs_rename_data(rename_data); |
cbbf9d3e | 2704 | return -1; |
84004dbf | 2705 | } |
a671a465 | 2706 | ptr = strrchr(rename_data->newpath, '/'); |
84004dbf | 2707 | if (ptr == NULL) { |
cbbf9d3e | 2708 | rpc_set_error(nfs->rpc, "Invalid path %s", newpath); |
84004dbf | 2709 | free_nfs_rename_data(rename_data); |
cbbf9d3e | 2710 | return -1; |
84004dbf RS |
2711 | } |
2712 | *ptr = 0; | |
2713 | ptr++; | |
2714 | rename_data->newobject = ptr; | |
2715 | ||
2716 | ||
2717 | if (nfs_lookuppath_async(nfs, rename_data->oldpath, cb, private_data, nfs_rename_continue_1_internal, rename_data, free_nfs_rename_data, 0) != 0) { | |
cbbf9d3e RS |
2718 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
2719 | return -1; | |
84004dbf RS |
2720 | } |
2721 | ||
2722 | return 0; | |
2723 | } | |
2724 | ||
2725 | ||
2726 | /* | |
2727 | * Async link() | |
2728 | */ | |
2729 | struct nfs_link_data { | |
2730 | char *oldpath; | |
2731 | struct nfs_fh3 oldfh; | |
2732 | char *newpath; | |
2733 | char *newobject; | |
2734 | struct nfs_fh3 newdir; | |
2735 | }; | |
2736 | ||
2737 | static void free_nfs_link_data(void *mem) | |
2738 | { | |
2739 | struct nfs_link_data *data = mem; | |
2740 | ||
2741 | if (data->oldpath != NULL) { | |
2742 | free(data->oldpath); | |
2743 | } | |
2744 | if (data->oldfh.data.data_val != NULL) { | |
2745 | free(data->oldfh.data.data_val); | |
2746 | } | |
2747 | if (data->newpath != NULL) { | |
2748 | free(data->newpath); | |
2749 | } | |
2750 | if (data->newdir.data.data_val != NULL) { | |
2751 | free(data->newdir.data.data_val); | |
2752 | } | |
2753 | free(data); | |
2754 | } | |
2755 | ||
2756 | static void nfs_link_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data) | |
2757 | { | |
2758 | LINK3res *res; | |
2759 | struct nfs_cb_data *data = private_data; | |
2760 | struct nfs_context *nfs = data->nfs; | |
2761 | struct nfs_link_data *link_data = data->continue_data; | |
2762 | ||
2763 | if (status == RPC_STATUS_ERROR) { | |
2764 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2765 | free_nfs_cb_data(data); | |
2766 | return; | |
2767 | } | |
2768 | if (status == RPC_STATUS_CANCEL) { | |
2769 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2770 | free_nfs_cb_data(data); | |
2771 | return; | |
2772 | } | |
2773 | ||
2774 | res = command_data; | |
2775 | if (res->status != NFS3_OK) { | |
2776 | 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)); | |
2777 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2778 | free_nfs_cb_data(data); | |
2779 | return; | |
2780 | } | |
2781 | ||
2782 | data->cb(0, nfs, NULL, data->private_data); | |
2783 | free_nfs_cb_data(data); | |
2784 | } | |
2785 | ||
2786 | static int nfs_link_continue_2_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
2787 | { | |
2788 | struct nfs_link_data *link_data = data->continue_data; | |
2789 | ||
2790 | /* steal the filehandle */ | |
2791 | link_data->newdir.data.data_len = data->fh.data.data_len; | |
2792 | link_data->newdir.data.data_val = data->fh.data.data_val; | |
2793 | data->fh.data.data_val = NULL; | |
2794 | ||
2795 | if (rpc_nfs_link_async(nfs->rpc, nfs_link_cb, &link_data->oldfh, &link_data->newdir, link_data->newobject, data) != 0) { | |
2796 | rpc_set_error(nfs->rpc, "RPC error: Failed to send LINK call for %s", data->path); | |
2797 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2798 | free_nfs_cb_data(data); | |
2799 | return -1; | |
2800 | } | |
2801 | return 0; | |
2802 | } | |
2803 | ||
2804 | ||
2805 | static int nfs_link_continue_1_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
2806 | { | |
2807 | struct nfs_link_data *link_data = data->continue_data; | |
2808 | ||
2809 | /* steal the filehandle */ | |
2810 | link_data->oldfh.data.data_len = data->fh.data.data_len; | |
2811 | link_data->oldfh.data.data_val = data->fh.data.data_val; | |
2812 | data->fh.data.data_val = NULL; | |
2813 | ||
2814 | 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) { | |
2815 | rpc_set_error(nfs->rpc, "RPC error: Failed to send LOOKUP call for %s", link_data->newpath); | |
2816 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2817 | free_nfs_cb_data(data); | |
2818 | return -1; | |
2819 | } | |
2820 | data->continue_data = NULL; | |
2821 | free_nfs_cb_data(data); | |
2822 | ||
2823 | return 0; | |
2824 | } | |
2825 | ||
2826 | ||
2827 | int nfs_link_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data) | |
2828 | { | |
2829 | char *ptr; | |
2830 | struct nfs_link_data *link_data; | |
2831 | ||
2832 | link_data = malloc(sizeof(struct nfs_link_data)); | |
2833 | if (link_data == NULL) { | |
cbbf9d3e | 2834 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for link data"); |
84004dbf RS |
2835 | return -1; |
2836 | } | |
2837 | bzero(link_data, sizeof(struct nfs_link_data)); | |
2838 | ||
2839 | link_data->oldpath = strdup(oldpath); | |
2840 | if (link_data->oldpath == NULL) { | |
cbbf9d3e | 2841 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath"); |
84004dbf | 2842 | free_nfs_link_data(link_data); |
cbbf9d3e | 2843 | return -1; |
84004dbf RS |
2844 | } |
2845 | ||
2846 | link_data->newpath = strdup(newpath); | |
2847 | if (link_data->newpath == NULL) { | |
cbbf9d3e | 2848 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for newpath"); |
84004dbf | 2849 | free_nfs_link_data(link_data); |
cbbf9d3e | 2850 | return -1; |
84004dbf | 2851 | } |
a671a465 | 2852 | ptr = strrchr(link_data->newpath, '/'); |
84004dbf | 2853 | if (ptr == NULL) { |
cbbf9d3e | 2854 | rpc_set_error(nfs->rpc, "Invalid path %s", newpath); |
84004dbf | 2855 | free_nfs_link_data(link_data); |
cbbf9d3e | 2856 | return -1; |
84004dbf RS |
2857 | } |
2858 | *ptr = 0; | |
2859 | ptr++; | |
2860 | link_data->newobject = ptr; | |
2861 | ||
2862 | ||
2863 | if (nfs_lookuppath_async(nfs, link_data->oldpath, cb, private_data, nfs_link_continue_1_internal, link_data, free_nfs_link_data, 0) != 0) { | |
cbbf9d3e RS |
2864 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
2865 | return -1; | |
84004dbf RS |
2866 | } |
2867 | ||
2868 | return 0; | |
2869 | } | |
2870 | ||
2871 | ||
2872 | //qqq replace later with lseek() | |
2873 | off_t nfs_get_current_offset(struct nfsfh *nfsfh) | |
2874 | { | |
2875 | return nfsfh->offset; | |
2876 | } | |
2877 | ||
17ef62fa RS |
2878 | |
2879 | ||
2880 | /* | |
2881 | * Get the maximum supported READ3 size by the server | |
2882 | */ | |
2883 | size_t nfs_get_readmax(struct nfs_context *nfs) | |
2884 | { | |
2885 | return nfs->readmax; | |
2886 | } | |
2887 | ||
2888 | /* | |
2889 | * Get the maximum supported WRITE3 size by the server | |
2890 | */ | |
2891 | size_t nfs_get_writemax(struct nfs_context *nfs) | |
2892 | { | |
2893 | return nfs->writemax; | |
2894 | } | |
1896d37b RS |
2895 | |
2896 | void nfs_set_error(struct nfs_context *nfs, char *error_string, ...) | |
2897 | { | |
2898 | va_list ap; | |
1e8994af | 2899 | char *str = NULL; |
1896d37b | 2900 | |
1e8994af | 2901 | va_start(ap, error_string); |
f4442bec RS |
2902 | // vasprintf(&str, error_string, ap); |
2903 | // if (nfs->rpc->error_string != NULL) { | |
2904 | // free(nfs->rpc->error_string); | |
2905 | //} | |
2906 | //nfs->rpc->error_string = str; | |
1896d37b RS |
2907 | va_end(ap); |
2908 | } | |
7f0242ca RS |
2909 | |
2910 | ||
2911 | ||
2912 | struct mount_cb_data { | |
2913 | rpc_cb cb; | |
2914 | void *private_data; | |
2915 | char *server; | |
2916 | }; | |
2917 | ||
2918 | static void free_mount_cb_data(struct mount_cb_data *data) | |
2919 | { | |
2920 | if (data->server != NULL) { | |
2921 | free(data->server); | |
2922 | data->server = NULL; | |
2923 | } | |
2924 | ||
2925 | free(data); | |
2926 | } | |
2927 | ||
2928 | static void mount_export_5_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
2929 | { | |
2930 | struct mount_cb_data *data = private_data; | |
2931 | ||
2932 | if (status == RPC_STATUS_ERROR) { | |
2933 | data->cb(rpc, -EFAULT, command_data, data->private_data); | |
2934 | free_mount_cb_data(data); | |
2935 | return; | |
2936 | } | |
2937 | if (status == RPC_STATUS_CANCEL) { | |
2938 | data->cb(rpc, -EINTR, "Command was cancelled", data->private_data); | |
2939 | free_mount_cb_data(data); | |
2940 | return; | |
2941 | } | |
2942 | ||
2943 | data->cb(rpc, 0, command_data, data->private_data); | |
2944 | if (rpc_disconnect(rpc, "normal disconnect") != 0) { | |
2945 | rpc_set_error(rpc, "Failed to disconnect\n"); | |
2946 | } | |
2947 | free_mount_cb_data(data); | |
2948 | } | |
2949 | ||
2950 | static void mount_export_4_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
2951 | { | |
2952 | struct mount_cb_data *data = private_data; | |
2953 | ||
2954 | if (status == RPC_STATUS_ERROR) { | |
2955 | data->cb(rpc, -EFAULT, command_data, data->private_data); | |
2956 | free_mount_cb_data(data); | |
2957 | return; | |
2958 | } | |
2959 | if (status == RPC_STATUS_CANCEL) { | |
2960 | data->cb(rpc, -EINTR, "Command was cancelled", data->private_data); | |
2961 | free_mount_cb_data(data); | |
2962 | return; | |
2963 | } | |
2964 | ||
2965 | if (rpc_mount_export_async(rpc, mount_export_5_cb, data) != 0) { | |
2966 | data->cb(rpc, -ENOMEM, command_data, data->private_data); | |
2967 | free_mount_cb_data(data); | |
2968 | return; | |
2969 | } | |
2970 | } | |
2971 | ||
2972 | static void mount_export_3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
2973 | { | |
2974 | struct mount_cb_data *data = private_data; | |
2975 | uint32_t mount_port; | |
2976 | ||
2977 | if (status == RPC_STATUS_ERROR) { | |
2978 | data->cb(rpc, -EFAULT, command_data, data->private_data); | |
2979 | free_mount_cb_data(data); | |
2980 | return; | |
2981 | } | |
2982 | if (status == RPC_STATUS_CANCEL) { | |
2983 | data->cb(rpc, -EINTR, "Command was cancelled", data->private_data); | |
2984 | free_mount_cb_data(data); | |
2985 | return; | |
2986 | } | |
2987 | ||
2988 | mount_port = *(uint32_t *)command_data; | |
2989 | if (mount_port == 0) { | |
2990 | rpc_set_error(rpc, "RPC error. Mount program is not available"); | |
2991 | data->cb(rpc, -ENOENT, command_data, data->private_data); | |
2992 | free_mount_cb_data(data); | |
2993 | return; | |
2994 | } | |
2995 | ||
2996 | rpc_disconnect(rpc, "normal disconnect"); | |
2997 | if (rpc_connect_async(rpc, data->server, mount_port, mount_export_4_cb, data) != 0) { | |
2998 | data->cb(rpc, -ENOMEM, command_data, data->private_data); | |
2999 | free_mount_cb_data(data); | |
3000 | return; | |
3001 | } | |
3002 | } | |
3003 | ||
3004 | static void mount_export_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
3005 | { | |
3006 | struct mount_cb_data *data = private_data; | |
3007 | ||
3008 | if (status == RPC_STATUS_ERROR) { | |
3009 | data->cb(rpc, -EFAULT, command_data, data->private_data); | |
3010 | free_mount_cb_data(data); | |
3011 | return; | |
3012 | } | |
3013 | if (status == RPC_STATUS_CANCEL) { | |
3014 | data->cb(rpc, -EINTR, "Command was cancelled", data->private_data); | |
3015 | free_mount_cb_data(data); | |
3016 | return; | |
3017 | } | |
3018 | ||
3019 | if (rpc_pmap_getport_async(rpc, MOUNT_PROGRAM, MOUNT_V3, mount_export_3_cb, private_data) != 0) { | |
3020 | data->cb(rpc, -ENOMEM, command_data, data->private_data); | |
3021 | free_mount_cb_data(data); | |
3022 | return; | |
3023 | } | |
3024 | } | |
3025 | ||
3026 | static void mount_export_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
3027 | { | |
3028 | struct mount_cb_data *data = private_data; | |
3029 | ||
3030 | if (status == RPC_STATUS_ERROR) { | |
3031 | data->cb(rpc, -EFAULT, command_data, data->private_data); | |
3032 | free_mount_cb_data(data); | |
3033 | return; | |
3034 | } | |
3035 | if (status == RPC_STATUS_CANCEL) { | |
3036 | data->cb(rpc, -EINTR, "Command was cancelled", data->private_data); | |
3037 | free_mount_cb_data(data); | |
3038 | return; | |
3039 | } | |
3040 | ||
3041 | if (rpc_pmap_null_async(rpc, mount_export_2_cb, data) != 0) { | |
3042 | data->cb(rpc, -ENOMEM, command_data, data->private_data); | |
3043 | free_mount_cb_data(data); | |
3044 | return; | |
3045 | } | |
3046 | } | |
3047 | ||
3048 | int mount_getexports_async(struct rpc_context *rpc, const char *server, rpc_cb cb, void *private_data) | |
3049 | { | |
3050 | struct mount_cb_data *data; | |
3051 | ||
3052 | data = malloc(sizeof(struct mount_cb_data)); | |
3053 | if (data == NULL) { | |
3054 | return -1; | |
3055 | } | |
3056 | bzero(data, sizeof(struct mount_cb_data)); | |
3057 | data->cb = cb; | |
3058 | data->private_data = private_data; | |
3059 | data->server = strdup(server); | |
3060 | if (data->server == NULL) { | |
3061 | free_mount_cb_data(data); | |
3062 | return -1; | |
3063 | } | |
3064 | if (rpc_connect_async(rpc, data->server, 111, mount_export_1_cb, data) != 0) { | |
3065 | free_mount_cb_data(data); | |
3066 | return -1; | |
3067 | } | |
3068 | ||
3069 | return 0; | |
3070 | } | |
3071 | ||
df5af25f RS |
3072 | struct rpc_context *nfs_get_rpc_context(struct nfs_context *nfs) |
3073 | { | |
3074 | return nfs->rpc; | |
3075 | } | |
3076 | ||
b077fdeb RS |
3077 | const char *nfs_get_server(struct nfs_context *nfs) { |
3078 | return nfs->server; | |
3079 | } | |
3080 | ||
3081 | const char *nfs_get_export(struct nfs_context *nfs) { | |
3082 | return nfs->export; | |
3083 | } |