Commit | Line | Data |
---|---|---|
84004dbf RS |
1 | /* |
2 | Copyright (C) 2010 by Ronnie Sahlberg <ronniesahlberg@gmail.com> | |
3 | ||
4 | This program is free software; you can redistribute it and/or modify | |
5 | it under the terms of the GNU Lesser General Public License as published by | |
6 | the Free Software Foundation; either version 2.1 of the License, or | |
7 | (at your option) any later version. | |
8 | ||
9 | This program is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | GNU Lesser General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public License | |
15 | along with this program; if not, see <http://www.gnu.org/licenses/>. | |
16 | */ | |
17 | /* | |
18 | * High level api to nfs filesystems | |
19 | */ | |
a8a1b858 M |
20 | #ifdef WIN32 |
21 | #include "win32_compat.h" | |
6874f61e | 22 | #define DllExport |
6874f61e RS |
23 | #else |
24 | #include <strings.h> | |
25 | #include <sys/statvfs.h> | |
26 | #include <utime.h> | |
27 | #include <unistd.h> | |
a8a1b858 M |
28 | #endif/*WIN32*/ |
29 | ||
30 | #define _GNU_SOURCE | |
6874f61e | 31 | |
84004dbf | 32 | #include <stdio.h> |
1896d37b | 33 | #include <stdarg.h> |
84004dbf RS |
34 | #include <stdlib.h> |
35 | #include <string.h> | |
4a2b0876 | 36 | #include <assert.h> |
84004dbf RS |
37 | #include <errno.h> |
38 | #include <sys/types.h> | |
39 | #include <sys/stat.h> | |
84004dbf RS |
40 | #include <fcntl.h> |
41 | #include "libnfs.h" | |
42 | #include "libnfs-raw.h" | |
43 | #include "libnfs-raw-mount.h" | |
44 | #include "libnfs-raw-nfs.h" | |
1896d37b RS |
45 | #include "libnfs-private.h" |
46 | ||
47 | struct nfsdir { | |
48 | struct nfsdirent *entries; | |
49 | struct nfsdirent *current; | |
50 | }; | |
84004dbf RS |
51 | |
52 | struct nfsfh { | |
53 | struct nfs_fh3 fh; | |
54 | int is_sync; | |
183451cf | 55 | uint64_t offset; |
84004dbf RS |
56 | }; |
57 | ||
1896d37b RS |
58 | struct nfs_context { |
59 | struct rpc_context *rpc; | |
60 | char *server; | |
61 | char *export; | |
62 | struct nfs_fh3 rootfh; | |
183451cf RS |
63 | uint64_t readmax; |
64 | uint64_t writemax; | |
84004dbf RS |
65 | }; |
66 | ||
67 | void nfs_free_nfsdir(struct nfsdir *nfsdir) | |
68 | { | |
69 | while (nfsdir->entries) { | |
70 | struct nfsdirent *dirent = nfsdir->entries->next; | |
71 | if (nfsdir->entries->name != NULL) { | |
72 | free(nfsdir->entries->name); | |
73 | } | |
74 | free(nfsdir->entries); | |
75 | nfsdir->entries = dirent; | |
76 | } | |
77 | free(nfsdir); | |
78 | } | |
79 | ||
84004dbf RS |
80 | struct nfs_cb_data; |
81 | typedef int (*continue_func)(struct nfs_context *nfs, struct nfs_cb_data *data); | |
82 | ||
83 | struct nfs_cb_data { | |
84 | struct nfs_context *nfs; | |
85 | struct nfsfh *nfsfh; | |
86 | char *saved_path, *path; | |
87 | ||
88 | nfs_cb cb; | |
89 | void *private_data; | |
90 | ||
91 | continue_func continue_cb; | |
92 | void *continue_data; | |
93 | void (*free_continue_data)(void *); | |
94 | int continue_int; | |
95 | ||
96 | struct nfs_fh3 fh; | |
921f877b RS |
97 | |
98 | /* for multi-read/write calls. */ | |
99 | int error; | |
100 | int cancel; | |
101 | int num_calls; | |
183451cf | 102 | uint64_t start_offset, max_offset; |
921f877b RS |
103 | char *buffer; |
104 | }; | |
105 | ||
106 | struct nfs_mcb_data { | |
107 | struct nfs_cb_data *data; | |
183451cf RS |
108 | uint64_t offset; |
109 | uint64_t count; | |
84004dbf RS |
110 | }; |
111 | ||
112 | static int nfs_lookup_path_async_internal(struct nfs_context *nfs, struct nfs_cb_data *data, struct nfs_fh3 *fh); | |
113 | ||
114 | ||
fa33813e | 115 | void nfs_set_auth(struct nfs_context *nfs, AUTH *auth) |
84004dbf | 116 | { |
9896c715 | 117 | rpc_set_auth(nfs->rpc, auth); |
84004dbf RS |
118 | } |
119 | ||
120 | int nfs_get_fd(struct nfs_context *nfs) | |
121 | { | |
122 | return rpc_get_fd(nfs->rpc); | |
123 | } | |
124 | ||
83aa785d RS |
125 | int nfs_queue_length(struct nfs_context *nfs) |
126 | { | |
127 | return rpc_queue_length(nfs->rpc); | |
128 | } | |
129 | ||
84004dbf RS |
130 | int nfs_which_events(struct nfs_context *nfs) |
131 | { | |
132 | return rpc_which_events(nfs->rpc); | |
133 | } | |
134 | ||
135 | int nfs_service(struct nfs_context *nfs, int revents) | |
136 | { | |
137 | return rpc_service(nfs->rpc, revents); | |
138 | } | |
139 | ||
140 | char *nfs_get_error(struct nfs_context *nfs) | |
141 | { | |
142 | return rpc_get_error(nfs->rpc); | |
143 | }; | |
144 | ||
145 | struct nfs_context *nfs_init_context(void) | |
146 | { | |
147 | struct nfs_context *nfs; | |
148 | ||
149 | nfs = malloc(sizeof(struct nfs_context)); | |
150 | if (nfs == NULL) { | |
84004dbf RS |
151 | return NULL; |
152 | } | |
153 | nfs->rpc = rpc_init_context(); | |
154 | if (nfs->rpc == NULL) { | |
84004dbf RS |
155 | free(nfs); |
156 | return NULL; | |
157 | } | |
158 | ||
b077fdeb RS |
159 | nfs->server = NULL; |
160 | nfs->export = NULL; | |
161 | ||
963c2f83 RS |
162 | nfs->rootfh.data.data_len = 0; |
163 | nfs->rootfh.data.data_val = NULL; | |
164 | ||
84004dbf RS |
165 | return nfs; |
166 | } | |
167 | ||
168 | void nfs_destroy_context(struct nfs_context *nfs) | |
169 | { | |
170 | rpc_destroy_context(nfs->rpc); | |
171 | nfs->rpc = NULL; | |
172 | ||
173 | if (nfs->server) { | |
174 | free(nfs->server); | |
175 | nfs->server = NULL; | |
176 | } | |
177 | ||
178 | if (nfs->export) { | |
179 | free(nfs->export); | |
180 | nfs->export = NULL; | |
181 | } | |
182 | ||
183 | if (nfs->rootfh.data.data_val != NULL) { | |
184 | free(nfs->rootfh.data.data_val); | |
185 | nfs->rootfh.data.data_val = NULL; | |
186 | } | |
187 | ||
188 | free(nfs); | |
189 | } | |
190 | ||
191 | void free_nfs_cb_data(struct nfs_cb_data *data) | |
192 | { | |
193 | if (data->saved_path != NULL) { | |
194 | free(data->saved_path); | |
195 | data->saved_path = NULL; | |
196 | } | |
197 | ||
198 | if (data->continue_data != NULL) { | |
199 | data->free_continue_data(data->continue_data); | |
200 | data->continue_data = NULL; | |
201 | } | |
202 | ||
203 | if (data->fh.data.data_val != NULL) { | |
204 | free(data->fh.data.data_val); | |
205 | data->fh.data.data_val = NULL; | |
206 | } | |
207 | ||
921f877b RS |
208 | if (data->buffer != NULL) { |
209 | free(data->buffer); | |
210 | data->buffer = NULL; | |
211 | } | |
212 | ||
84004dbf RS |
213 | free(data); |
214 | } | |
215 | ||
216 | ||
217 | ||
218 | ||
219 | ||
4a2b0876 | 220 | static void nfs_mount_10_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
221 | { |
222 | struct nfs_cb_data *data = private_data; | |
223 | struct nfs_context *nfs = data->nfs; | |
224 | ||
4a2b0876 RS |
225 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
226 | ||
84004dbf RS |
227 | if (status == RPC_STATUS_ERROR) { |
228 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
229 | free_nfs_cb_data(data); | |
230 | return; | |
231 | } | |
232 | if (status == RPC_STATUS_CANCEL) { | |
233 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
234 | free_nfs_cb_data(data); | |
235 | return; | |
236 | } | |
237 | ||
238 | data->cb(0, nfs, NULL, data->private_data); | |
239 | free_nfs_cb_data(data); | |
240 | } | |
241 | ||
17ef62fa | 242 | static void nfs_mount_9_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
243 | { |
244 | struct nfs_cb_data *data = private_data; | |
245 | struct nfs_context *nfs = data->nfs; | |
17ef62fa | 246 | FSINFO3res *res = command_data; |
84004dbf | 247 | |
4a2b0876 RS |
248 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
249 | ||
84004dbf RS |
250 | if (status == RPC_STATUS_ERROR) { |
251 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
252 | free_nfs_cb_data(data); | |
253 | return; | |
254 | } | |
255 | if (status == RPC_STATUS_CANCEL) { | |
256 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
257 | free_nfs_cb_data(data); | |
258 | return; | |
259 | } | |
260 | ||
17ef62fa RS |
261 | nfs->readmax = res->FSINFO3res_u.resok.rtmax; |
262 | nfs->writemax = res->FSINFO3res_u.resok.wtmax; | |
84004dbf | 263 | |
17ef62fa | 264 | if (rpc_nfs_getattr_async(rpc, nfs_mount_10_cb, &nfs->rootfh, data) != 0) { |
84004dbf RS |
265 | data->cb(-ENOMEM, nfs, command_data, data->private_data); |
266 | free_nfs_cb_data(data); | |
267 | return; | |
268 | } | |
269 | } | |
270 | ||
17ef62fa RS |
271 | static void nfs_mount_8_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
272 | { | |
273 | struct nfs_cb_data *data = private_data; | |
274 | struct nfs_context *nfs = data->nfs; | |
275 | ||
4a2b0876 RS |
276 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
277 | ||
17ef62fa RS |
278 | if (status == RPC_STATUS_ERROR) { |
279 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
280 | free_nfs_cb_data(data); | |
281 | return; | |
282 | } | |
283 | if (status == RPC_STATUS_CANCEL) { | |
284 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
285 | free_nfs_cb_data(data); | |
286 | return; | |
287 | } | |
288 | ||
289 | if (rpc_nfs_fsinfo_async(rpc, nfs_mount_9_cb, &nfs->rootfh, data) != 0) { | |
290 | data->cb(-ENOMEM, nfs, command_data, data->private_data); | |
291 | free_nfs_cb_data(data); | |
292 | return; | |
293 | } | |
294 | } | |
295 | ||
296 | ||
84004dbf RS |
297 | static void nfs_mount_7_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
298 | { | |
299 | struct nfs_cb_data *data = private_data; | |
300 | struct nfs_context *nfs = data->nfs; | |
301 | ||
4a2b0876 RS |
302 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
303 | ||
14a062eb RS |
304 | /* Dont want any more callbacks even if the socket is closed */ |
305 | rpc->connect_cb = NULL; | |
306 | ||
84004dbf RS |
307 | if (status == RPC_STATUS_ERROR) { |
308 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
309 | free_nfs_cb_data(data); | |
310 | return; | |
311 | } | |
312 | if (status == RPC_STATUS_CANCEL) { | |
313 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
314 | free_nfs_cb_data(data); | |
315 | return; | |
316 | } | |
317 | ||
318 | if (rpc_nfs_null_async(rpc, nfs_mount_8_cb, data) != 0) { | |
319 | data->cb(-ENOMEM, nfs, command_data, data->private_data); | |
320 | free_nfs_cb_data(data); | |
321 | return; | |
322 | } | |
323 | } | |
324 | ||
325 | ||
326 | static void nfs_mount_6_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
327 | { | |
328 | struct nfs_cb_data *data = private_data; | |
329 | struct nfs_context *nfs = data->nfs; | |
330 | mountres3 *res; | |
331 | ||
4a2b0876 RS |
332 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
333 | ||
84004dbf RS |
334 | if (status == RPC_STATUS_ERROR) { |
335 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
336 | free_nfs_cb_data(data); | |
337 | return; | |
338 | } | |
339 | if (status == RPC_STATUS_CANCEL) { | |
340 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
341 | free_nfs_cb_data(data); | |
342 | return; | |
343 | } | |
344 | ||
345 | res = command_data; | |
346 | if (res->fhs_status != MNT3_OK) { | |
347 | 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)); | |
348 | data->cb(mountstat3_to_errno(res->fhs_status), nfs, rpc_get_error(rpc), data->private_data); | |
349 | free_nfs_cb_data(data); | |
350 | return; | |
351 | } | |
352 | ||
353 | nfs->rootfh.data.data_len = res->mountres3_u.mountinfo.fhandle.fhandle3_len; | |
354 | nfs->rootfh.data.data_val = malloc(nfs->rootfh.data.data_len); | |
355 | if (nfs->rootfh.data.data_val == NULL) { | |
356 | rpc_set_error(rpc, "Out of memory. Could not allocate memory to store root filehandle"); | |
357 | data->cb(-ENOMEM, nfs, rpc_get_error(rpc), data->private_data); | |
358 | free_nfs_cb_data(data); | |
359 | return; | |
360 | } | |
361 | memcpy(nfs->rootfh.data.data_val, res->mountres3_u.mountinfo.fhandle.fhandle3_val, nfs->rootfh.data.data_len); | |
362 | ||
363 | rpc_disconnect(rpc, "normal disconnect"); | |
364 | if (rpc_connect_async(rpc, nfs->server, 2049, nfs_mount_7_cb, data) != 0) { | |
365 | data->cb(-ENOMEM, nfs, command_data, data->private_data); | |
366 | free_nfs_cb_data(data); | |
367 | return; | |
368 | } | |
1744ef90 RS |
369 | /* NFS TCP connections we want to autoreconnect after sessions are torn down (due to inactivity or error) */ |
370 | rpc_set_autoreconnect(rpc); | |
84004dbf RS |
371 | } |
372 | ||
373 | ||
374 | static void nfs_mount_5_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
375 | { | |
376 | struct nfs_cb_data *data = private_data; | |
377 | struct nfs_context *nfs = data->nfs; | |
378 | ||
4a2b0876 RS |
379 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
380 | ||
84004dbf RS |
381 | if (status == RPC_STATUS_ERROR) { |
382 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
383 | free_nfs_cb_data(data); | |
384 | return; | |
385 | } | |
386 | if (status == RPC_STATUS_CANCEL) { | |
387 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
388 | free_nfs_cb_data(data); | |
389 | return; | |
390 | } | |
391 | ||
392 | if (rpc_mount_mnt_async(rpc, nfs_mount_6_cb, nfs->export, data) != 0) { | |
393 | data->cb(-ENOMEM, nfs, command_data, data->private_data); | |
394 | free_nfs_cb_data(data); | |
395 | return; | |
396 | } | |
397 | } | |
398 | ||
399 | static void nfs_mount_4_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
400 | { | |
401 | struct nfs_cb_data *data = private_data; | |
402 | struct nfs_context *nfs = data->nfs; | |
403 | ||
4a2b0876 RS |
404 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
405 | ||
14a062eb RS |
406 | /* Dont want any more callbacks even if the socket is closed */ |
407 | rpc->connect_cb = NULL; | |
408 | ||
84004dbf RS |
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 | if (rpc_mount_null_async(rpc, nfs_mount_5_cb, data) != 0) { | |
421 | data->cb(-ENOMEM, nfs, command_data, data->private_data); | |
422 | free_nfs_cb_data(data); | |
423 | return; | |
424 | } | |
425 | } | |
426 | ||
427 | static void nfs_mount_3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
428 | { | |
429 | struct nfs_cb_data *data = private_data; | |
430 | struct nfs_context *nfs = data->nfs; | |
431 | uint32_t mount_port; | |
432 | ||
4a2b0876 RS |
433 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
434 | ||
84004dbf RS |
435 | if (status == RPC_STATUS_ERROR) { |
436 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
437 | free_nfs_cb_data(data); | |
438 | return; | |
439 | } | |
440 | if (status == RPC_STATUS_CANCEL) { | |
441 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
442 | free_nfs_cb_data(data); | |
443 | return; | |
444 | } | |
445 | ||
446 | mount_port = *(uint32_t *)command_data; | |
447 | if (mount_port == 0) { | |
448 | rpc_set_error(rpc, "RPC error. Mount program is not available on %s", nfs->server); | |
449 | data->cb(-ENOENT, nfs, command_data, data->private_data); | |
450 | free_nfs_cb_data(data); | |
451 | return; | |
452 | } | |
453 | ||
454 | rpc_disconnect(rpc, "normal disconnect"); | |
455 | if (rpc_connect_async(rpc, nfs->server, mount_port, nfs_mount_4_cb, data) != 0) { | |
456 | data->cb(-ENOMEM, nfs, command_data, data->private_data); | |
457 | free_nfs_cb_data(data); | |
458 | return; | |
459 | } | |
460 | } | |
461 | ||
462 | ||
463 | static void nfs_mount_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
464 | { | |
465 | struct nfs_cb_data *data = private_data; | |
466 | struct nfs_context *nfs = data->nfs; | |
467 | ||
4a2b0876 RS |
468 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
469 | ||
84004dbf RS |
470 | if (status == RPC_STATUS_ERROR) { |
471 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
472 | free_nfs_cb_data(data); | |
473 | return; | |
474 | } | |
475 | if (status == RPC_STATUS_CANCEL) { | |
476 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
477 | free_nfs_cb_data(data); | |
478 | return; | |
479 | } | |
480 | ||
5c6b1176 | 481 | if (rpc_pmap_getport_async(rpc, MOUNT_PROGRAM, MOUNT_V3, IPPROTO_TCP, nfs_mount_3_cb, private_data) != 0) { |
84004dbf RS |
482 | data->cb(-ENOMEM, nfs, command_data, data->private_data); |
483 | free_nfs_cb_data(data); | |
484 | return; | |
485 | } | |
486 | } | |
487 | ||
488 | static void nfs_mount_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
489 | { | |
490 | struct nfs_cb_data *data = private_data; | |
491 | struct nfs_context *nfs = data->nfs; | |
492 | ||
4a2b0876 RS |
493 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
494 | ||
14a062eb RS |
495 | /* Dont want any more callbacks even if the socket is closed */ |
496 | rpc->connect_cb = NULL; | |
497 | ||
84004dbf RS |
498 | if (status == RPC_STATUS_ERROR) { |
499 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
500 | free_nfs_cb_data(data); | |
501 | return; | |
502 | } | |
503 | if (status == RPC_STATUS_CANCEL) { | |
504 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
505 | free_nfs_cb_data(data); | |
506 | return; | |
507 | } | |
508 | ||
509 | if (rpc_pmap_null_async(rpc, nfs_mount_2_cb, data) != 0) { | |
510 | data->cb(-ENOMEM, nfs, command_data, data->private_data); | |
511 | free_nfs_cb_data(data); | |
512 | return; | |
513 | } | |
514 | } | |
515 | ||
516 | /* | |
517 | * Async call for mounting an nfs share and geting the root filehandle | |
518 | */ | |
519 | int nfs_mount_async(struct nfs_context *nfs, const char *server, const char *export, nfs_cb cb, void *private_data) | |
520 | { | |
521 | struct nfs_cb_data *data; | |
b077fdeb | 522 | char *new_server, *new_export; |
84004dbf RS |
523 | |
524 | data = malloc(sizeof(struct nfs_cb_data)); | |
525 | if (data == NULL) { | |
cbbf9d3e | 526 | rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for nfs mount data"); |
84004dbf RS |
527 | return -1; |
528 | } | |
ea98629a | 529 | memset(data, 0, sizeof(struct nfs_cb_data)); |
b077fdeb RS |
530 | new_server = strdup(server); |
531 | new_export = strdup(export); | |
532 | if (nfs->server != NULL) { | |
533 | free(nfs->server); | |
b077fdeb RS |
534 | } |
535 | nfs->server = new_server; | |
536 | if (nfs->export != NULL) { | |
537 | free(nfs->export); | |
b077fdeb RS |
538 | } |
539 | nfs->export = new_export; | |
84004dbf RS |
540 | data->nfs = nfs; |
541 | data->cb = cb; | |
542 | data->private_data = private_data; | |
543 | ||
544 | if (rpc_connect_async(nfs->rpc, server, 111, nfs_mount_1_cb, data) != 0) { | |
cbbf9d3e | 545 | rpc_set_error(nfs->rpc, "Failed to start connection"); |
84004dbf | 546 | free_nfs_cb_data(data); |
cbbf9d3e | 547 | return -1; |
84004dbf RS |
548 | } |
549 | ||
550 | return 0; | |
551 | } | |
552 | ||
553 | ||
554 | ||
555 | /* | |
556 | * Functions to first look up a path, component by component, and then finally call a specific function once | |
557 | * the filehandle for the final component is found. | |
558 | */ | |
4a2b0876 | 559 | static void nfs_lookup_path_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
560 | { |
561 | struct nfs_cb_data *data = private_data; | |
562 | struct nfs_context *nfs = data->nfs; | |
563 | LOOKUP3res *res; | |
564 | ||
4a2b0876 RS |
565 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
566 | ||
84004dbf RS |
567 | if (status == RPC_STATUS_ERROR) { |
568 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
569 | free_nfs_cb_data(data); | |
570 | return; | |
571 | } | |
572 | if (status == RPC_STATUS_CANCEL) { | |
573 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
574 | free_nfs_cb_data(data); | |
575 | return; | |
576 | } | |
577 | ||
578 | res = command_data; | |
579 | if (res->status != NFS3_OK) { | |
580 | 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)); | |
581 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
582 | free_nfs_cb_data(data); | |
583 | return; | |
584 | } | |
585 | ||
586 | if (nfs_lookup_path_async_internal(nfs, data, &res->LOOKUP3res_u.resok.object) != 0) { | |
587 | rpc_set_error(nfs->rpc, "Failed to create lookup pdu"); | |
588 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
589 | free_nfs_cb_data(data); | |
590 | return; | |
591 | } | |
592 | } | |
593 | ||
594 | static int nfs_lookup_path_async_internal(struct nfs_context *nfs, struct nfs_cb_data *data, struct nfs_fh3 *fh) | |
595 | { | |
596 | char *path, *str; | |
597 | ||
598 | while (*data->path == '/') { | |
599 | data->path++; | |
600 | } | |
601 | ||
602 | path = data->path; | |
93e9306f | 603 | str = strchr(path, '/'); |
84004dbf RS |
604 | if (str != NULL) { |
605 | *str = 0; | |
606 | data->path = str+1; | |
607 | } else { | |
608 | while (*data->path != 0) { | |
609 | data->path++; | |
610 | } | |
611 | } | |
612 | ||
613 | if (*path == 0) { | |
614 | data->fh.data.data_len = fh->data.data_len; | |
615 | data->fh.data.data_val = malloc(data->fh.data.data_len); | |
616 | if (data->fh.data.data_val == NULL) { | |
617 | rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh for %s", data->path); | |
618 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
619 | free_nfs_cb_data(data); | |
620 | return -1; | |
621 | } | |
622 | memcpy(data->fh.data.data_val, fh->data.data_val, data->fh.data.data_len); | |
623 | data->continue_cb(nfs, data); | |
624 | return 0; | |
625 | } | |
626 | ||
627 | if (rpc_nfs_lookup_async(nfs->rpc, nfs_lookup_path_1_cb, fh, path, data) != 0) { | |
628 | rpc_set_error(nfs->rpc, "RPC error: Failed to send lookup call for %s", data->path); | |
629 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
630 | free_nfs_cb_data(data); | |
631 | return -1; | |
632 | } | |
633 | return 0; | |
634 | } | |
635 | ||
636 | 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) | |
637 | { | |
638 | struct nfs_cb_data *data; | |
639 | ||
640 | if (path[0] != '/') { | |
641 | rpc_set_error(nfs->rpc, "Pathname is not absulute %s", path); | |
642 | return -1; | |
643 | } | |
644 | ||
645 | data = malloc(sizeof(struct nfs_cb_data)); | |
646 | if (data == NULL) { | |
647 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
cbbf9d3e | 648 | return -1; |
84004dbf | 649 | } |
ea98629a | 650 | memset(data, 0, sizeof(struct nfs_cb_data)); |
84004dbf RS |
651 | data->nfs = nfs; |
652 | data->cb = cb; | |
653 | data->continue_cb = continue_cb; | |
654 | data->continue_data = continue_data; | |
655 | data->free_continue_data = free_continue_data; | |
656 | data->continue_int = continue_int; | |
657 | data->private_data = private_data; | |
658 | data->saved_path = strdup(path); | |
659 | if (data->saved_path == NULL) { | |
660 | rpc_set_error(nfs->rpc, "out of memory: failed to copy path string"); | |
84004dbf | 661 | free_nfs_cb_data(data); |
cbbf9d3e | 662 | return -1; |
84004dbf RS |
663 | } |
664 | data->path = data->saved_path; | |
665 | ||
666 | if (nfs_lookup_path_async_internal(nfs, data, &nfs->rootfh) != 0) { | |
84004dbf RS |
667 | /* return 0 here since the callback will be invoked if there is a failure */ |
668 | return 0; | |
669 | } | |
670 | return 0; | |
671 | } | |
672 | ||
673 | ||
674 | ||
675 | ||
676 | ||
677 | /* | |
678 | * Async stat() | |
679 | */ | |
4a2b0876 | 680 | static void nfs_stat_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
681 | { |
682 | GETATTR3res *res; | |
683 | struct nfs_cb_data *data = private_data; | |
684 | struct nfs_context *nfs = data->nfs; | |
685 | struct stat st; | |
686 | ||
4a2b0876 RS |
687 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
688 | ||
84004dbf RS |
689 | if (status == RPC_STATUS_ERROR) { |
690 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
691 | free_nfs_cb_data(data); | |
692 | return; | |
693 | } | |
694 | if (status == RPC_STATUS_CANCEL) { | |
695 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
696 | free_nfs_cb_data(data); | |
697 | return; | |
698 | } | |
699 | ||
700 | res = command_data; | |
701 | if (res->status != NFS3_OK) { | |
702 | 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)); | |
703 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
704 | free_nfs_cb_data(data); | |
705 | return; | |
706 | } | |
707 | ||
708 | st.st_dev = -1; | |
709 | st.st_ino = res->GETATTR3res_u.resok.obj_attributes.fileid; | |
710 | st.st_mode = res->GETATTR3res_u.resok.obj_attributes.mode; | |
e8cab72a RS |
711 | if (res->GETATTR3res_u.resok.obj_attributes.type == NF3DIR) { |
712 | st.st_mode |= S_IFDIR ; | |
713 | } | |
d7ec001f RS |
714 | if (res->GETATTR3res_u.resok.obj_attributes.type == NF3REG) { |
715 | st.st_mode |= S_IFREG ; | |
716 | } | |
84004dbf RS |
717 | st.st_nlink = res->GETATTR3res_u.resok.obj_attributes.nlink; |
718 | st.st_uid = res->GETATTR3res_u.resok.obj_attributes.uid; | |
719 | st.st_gid = res->GETATTR3res_u.resok.obj_attributes.gid; | |
720 | st.st_rdev = 0; | |
721 | st.st_size = res->GETATTR3res_u.resok.obj_attributes.size; | |
a8a1b858 | 722 | #ifndef WIN32 |
84004dbf RS |
723 | st.st_blksize = 4096; |
724 | st.st_blocks = res->GETATTR3res_u.resok.obj_attributes.size / 4096; | |
a8a1b858 | 725 | #endif//WIN32 |
84004dbf RS |
726 | st.st_atime = res->GETATTR3res_u.resok.obj_attributes.atime.seconds; |
727 | st.st_mtime = res->GETATTR3res_u.resok.obj_attributes.mtime.seconds; | |
728 | st.st_ctime = res->GETATTR3res_u.resok.obj_attributes.ctime.seconds; | |
729 | ||
730 | data->cb(0, nfs, &st, data->private_data); | |
731 | free_nfs_cb_data(data); | |
732 | } | |
733 | ||
734 | static int nfs_stat_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
735 | { | |
736 | if (rpc_nfs_getattr_async(nfs->rpc, nfs_stat_1_cb, &data->fh, data) != 0) { | |
737 | rpc_set_error(nfs->rpc, "RPC error: Failed to send STAT GETATTR call for %s", data->path); | |
738 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
739 | free_nfs_cb_data(data); | |
740 | return -1; | |
741 | } | |
742 | return 0; | |
743 | } | |
744 | ||
745 | int nfs_stat_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
746 | { | |
747 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_stat_continue_internal, NULL, NULL, 0) != 0) { | |
cbbf9d3e | 748 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
749 | return -1; |
750 | } | |
751 | ||
752 | return 0; | |
753 | } | |
754 | ||
755 | ||
756 | ||
757 | ||
758 | ||
759 | /* | |
760 | * Async open() | |
761 | */ | |
4a2b0876 | 762 | static void nfs_open_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
763 | { |
764 | ACCESS3res *res; | |
765 | struct nfs_cb_data *data = private_data; | |
766 | struct nfs_context *nfs = data->nfs; | |
767 | struct nfsfh *nfsfh; | |
768 | unsigned int nfsmode = 0; | |
769 | ||
4a2b0876 RS |
770 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
771 | ||
84004dbf RS |
772 | if (status == RPC_STATUS_ERROR) { |
773 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
774 | free_nfs_cb_data(data); | |
775 | return; | |
776 | } | |
777 | if (status == RPC_STATUS_CANCEL) { | |
778 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
779 | free_nfs_cb_data(data); | |
780 | return; | |
781 | } | |
782 | ||
783 | res = command_data; | |
784 | if (res->status != NFS3_OK) { | |
785 | 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)); | |
786 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
787 | free_nfs_cb_data(data); | |
788 | return; | |
789 | } | |
790 | ||
791 | if (data->continue_int & O_WRONLY) { | |
792 | nfsmode |= ACCESS3_MODIFY; | |
793 | } | |
794 | if (data->continue_int & O_RDWR) { | |
795 | nfsmode |= ACCESS3_READ|ACCESS3_MODIFY; | |
796 | } | |
797 | if (!(data->continue_int & (O_WRONLY|O_RDWR))) { | |
798 | nfsmode |= ACCESS3_READ; | |
799 | } | |
800 | ||
801 | ||
802 | if (res->ACCESS3res_u.resok.access != nfsmode) { | |
803 | rpc_set_error(nfs->rpc, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c", | |
804 | nfsmode&ACCESS3_READ?'r':'-', | |
805 | nfsmode&ACCESS3_MODIFY?'w':'-', | |
806 | nfsmode&ACCESS3_EXECUTE?'x':'-', | |
807 | res->ACCESS3res_u.resok.access&ACCESS3_READ?'r':'-', | |
808 | res->ACCESS3res_u.resok.access&ACCESS3_MODIFY?'w':'-', | |
809 | res->ACCESS3res_u.resok.access&ACCESS3_EXECUTE?'x':'-'); | |
810 | data->cb(-EACCES, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
811 | free_nfs_cb_data(data); | |
812 | return; | |
813 | } | |
814 | ||
815 | nfsfh = malloc(sizeof(struct nfsfh)); | |
816 | if (nfsfh == NULL) { | |
817 | rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure"); | |
818 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
819 | free_nfs_cb_data(data); | |
820 | return; | |
821 | } | |
ea98629a | 822 | memset(nfsfh, 0, sizeof(struct nfsfh)); |
84004dbf RS |
823 | |
824 | if (data->continue_int & O_SYNC) { | |
825 | nfsfh->is_sync = 1; | |
826 | } | |
827 | ||
828 | /* steal the filehandle */ | |
829 | nfsfh->fh.data.data_len = data->fh.data.data_len; | |
830 | nfsfh->fh.data.data_val = data->fh.data.data_val; | |
831 | data->fh.data.data_val = NULL; | |
832 | ||
833 | data->cb(0, nfs, nfsfh, data->private_data); | |
834 | free_nfs_cb_data(data); | |
835 | } | |
836 | ||
837 | static int nfs_open_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
838 | { | |
839 | int nfsmode = 0; | |
840 | ||
841 | if (data->continue_int & O_WRONLY) { | |
842 | nfsmode |= ACCESS3_MODIFY; | |
843 | } | |
844 | if (data->continue_int & O_RDWR) { | |
845 | nfsmode |= ACCESS3_READ|ACCESS3_MODIFY; | |
846 | } | |
847 | if (!(data->continue_int & (O_WRONLY|O_RDWR))) { | |
848 | nfsmode |= ACCESS3_READ; | |
849 | } | |
850 | ||
851 | if (rpc_nfs_access_async(nfs->rpc, nfs_open_cb, &data->fh, nfsmode, data) != 0) { | |
852 | rpc_set_error(nfs->rpc, "RPC error: Failed to send OPEN ACCESS call for %s", data->path); | |
853 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
854 | free_nfs_cb_data(data); | |
855 | return -1; | |
856 | } | |
857 | return 0; | |
858 | } | |
859 | ||
860 | int nfs_open_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data) | |
861 | { | |
862 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_open_continue_internal, NULL, NULL, mode) != 0) { | |
cbbf9d3e RS |
863 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
864 | return -1; | |
84004dbf RS |
865 | } |
866 | ||
867 | return 0; | |
868 | } | |
869 | ||
870 | ||
871 | ||
872 | ||
873 | ||
874 | /* | |
875 | * Async pread() | |
876 | */ | |
4a2b0876 | 877 | static void nfs_pread_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
878 | { |
879 | struct nfs_cb_data *data = private_data; | |
880 | struct nfs_context *nfs = data->nfs; | |
881 | READ3res *res; | |
882 | ||
4a2b0876 RS |
883 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
884 | ||
84004dbf RS |
885 | if (status == RPC_STATUS_ERROR) { |
886 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
887 | free_nfs_cb_data(data); | |
888 | return; | |
889 | } | |
890 | if (status == RPC_STATUS_CANCEL) { | |
891 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
892 | free_nfs_cb_data(data); | |
893 | return; | |
894 | } | |
895 | ||
896 | res = command_data; | |
897 | if (res->status != NFS3_OK) { | |
898 | rpc_set_error(nfs->rpc, "NFS: Read failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
899 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
900 | free_nfs_cb_data(data); | |
901 | return; | |
902 | } | |
903 | ||
904 | data->nfsfh->offset += res->READ3res_u.resok.count; | |
905 | data->cb(res->READ3res_u.resok.count, nfs, res->READ3res_u.resok.data.data_val, data->private_data); | |
906 | free_nfs_cb_data(data); | |
907 | } | |
908 | ||
4a2b0876 | 909 | static void nfs_pread_mcb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
921f877b RS |
910 | { |
911 | struct nfs_mcb_data *mdata = private_data; | |
912 | struct nfs_cb_data *data = mdata->data; | |
913 | struct nfs_context *nfs = data->nfs; | |
914 | READ3res *res; | |
915 | ||
4a2b0876 RS |
916 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
917 | ||
921f877b RS |
918 | data->num_calls--; |
919 | ||
920 | if (status == RPC_STATUS_ERROR) { | |
921 | /* flag the failure but do not invoke callback until we have received all responses */ | |
922 | data->error = 1; | |
923 | } | |
924 | if (status == RPC_STATUS_CANCEL) { | |
925 | /* flag the cancellation but do not invoke callback until we have received all responses */ | |
926 | data->cancel = 1; | |
927 | } | |
928 | ||
929 | /* reassemble the data into the buffer */ | |
930 | if (status == RPC_STATUS_SUCCESS) { | |
931 | res = command_data; | |
932 | if (res->status != NFS3_OK) { | |
933 | rpc_set_error(nfs->rpc, "NFS: Read failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
934 | data->error = 1; | |
e4a5ba42 RS |
935 | } else { |
936 | if (res->READ3res_u.resok.count > 0) { | |
937 | memcpy(&data->buffer[mdata->offset - data->start_offset], res->READ3res_u.resok.data.data_val, res->READ3res_u.resok.count); | |
938 | if ((unsigned)data->max_offset < mdata->offset + res->READ3res_u.resok.count) { | |
939 | data->max_offset = mdata->offset + res->READ3res_u.resok.count; | |
940 | } | |
921f877b RS |
941 | } |
942 | } | |
943 | } | |
944 | ||
945 | if (data->num_calls > 0) { | |
946 | /* still waiting for more replies */ | |
947 | free(mdata); | |
948 | return; | |
949 | } | |
950 | ||
921f877b RS |
951 | if (data->error != 0) { |
952 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
953 | free_nfs_cb_data(data); | |
954 | free(mdata); | |
955 | return; | |
956 | } | |
957 | if (data->cancel != 0) { | |
958 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
959 | free_nfs_cb_data(data); | |
960 | free(mdata); | |
961 | return; | |
962 | } | |
963 | ||
964 | data->nfsfh->offset = data->max_offset; | |
7ed9d87a RS |
965 | data->cb(data->max_offset - data->start_offset, nfs, data->buffer, data->private_data); |
966 | ||
921f877b RS |
967 | free_nfs_cb_data(data); |
968 | free(mdata); | |
969 | } | |
970 | ||
183451cf | 971 | int nfs_pread_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t offset, uint64_t count, nfs_cb cb, void *private_data) |
84004dbf RS |
972 | { |
973 | struct nfs_cb_data *data; | |
974 | ||
975 | data = malloc(sizeof(struct nfs_cb_data)); | |
976 | if (data == NULL) { | |
977 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
84004dbf RS |
978 | return -1; |
979 | } | |
ea98629a | 980 | memset(data, 0, sizeof(struct nfs_cb_data)); |
84004dbf RS |
981 | data->nfs = nfs; |
982 | data->cb = cb; | |
983 | data->private_data = private_data; | |
984 | data->nfsfh = nfsfh; | |
985 | ||
986 | nfsfh->offset = offset; | |
921f877b RS |
987 | |
988 | if (count <= nfs_get_readmax(nfs)) { | |
989 | if (rpc_nfs_read_async(nfs->rpc, nfs_pread_cb, &nfsfh->fh, offset, count, data) != 0) { | |
990 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READ call for %s", data->path); | |
991 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
992 | free_nfs_cb_data(data); | |
993 | return -1; | |
994 | } | |
995 | return 0; | |
996 | } | |
997 | ||
998 | /* trying to read more than maximum server read size, we has to chop it up into smaller | |
999 | * reads and collect into a reassembly buffer. | |
1000 | * we send all reads in parallell so that performance is still good. | |
1001 | */ | |
7ed9d87a | 1002 | data->max_offset = offset; |
921f877b RS |
1003 | data->start_offset = offset; |
1004 | ||
1005 | data->buffer = malloc(count); | |
1006 | if (data->buffer == NULL) { | |
1007 | rpc_set_error(nfs->rpc, "Out-Of-Memory: Failed to allocate reassembly buffer for %d bytes", (int)count); | |
84004dbf RS |
1008 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); |
1009 | free_nfs_cb_data(data); | |
1010 | return -1; | |
1011 | } | |
921f877b RS |
1012 | |
1013 | while (count > 0) { | |
183451cf | 1014 | uint64_t readcount = count; |
921f877b RS |
1015 | struct nfs_mcb_data *mdata; |
1016 | ||
1017 | if (readcount > nfs_get_readmax(nfs)) { | |
1018 | readcount = nfs_get_readmax(nfs); | |
1019 | } | |
1020 | ||
1021 | mdata = malloc(sizeof(struct nfs_mcb_data)); | |
1022 | if (mdata == NULL) { | |
1023 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_mcb_data structure"); | |
921f877b RS |
1024 | return -1; |
1025 | } | |
ea98629a | 1026 | memset(mdata, 0, sizeof(struct nfs_mcb_data)); |
921f877b RS |
1027 | mdata->data = data; |
1028 | mdata->offset = offset; | |
1029 | mdata->count = readcount; | |
921f877b RS |
1030 | if (rpc_nfs_read_async(nfs->rpc, nfs_pread_mcb, &nfsfh->fh, offset, readcount, mdata) != 0) { |
1031 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READ call for %s", data->path); | |
1032 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1033 | free(mdata); | |
1034 | return -1; | |
1035 | } | |
1036 | ||
1037 | count -= readcount; | |
1038 | offset += readcount; | |
1039 | data->num_calls++; | |
1040 | } | |
1041 | ||
1042 | return 0; | |
84004dbf RS |
1043 | } |
1044 | ||
1045 | /* | |
1046 | * Async read() | |
1047 | */ | |
183451cf | 1048 | int nfs_read_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t count, nfs_cb cb, void *private_data) |
84004dbf RS |
1049 | { |
1050 | return nfs_pread_async(nfs, nfsfh, nfsfh->offset, count, cb, private_data); | |
1051 | } | |
1052 | ||
1053 | ||
1054 | ||
1055 | /* | |
1056 | * Async pwrite() | |
1057 | */ | |
4a2b0876 | 1058 | static void nfs_pwrite_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
1059 | { |
1060 | struct nfs_cb_data *data = private_data; | |
1061 | struct nfs_context *nfs = data->nfs; | |
1062 | WRITE3res *res; | |
1063 | ||
4a2b0876 RS |
1064 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
1065 | ||
84004dbf RS |
1066 | if (status == RPC_STATUS_ERROR) { |
1067 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1068 | free_nfs_cb_data(data); | |
1069 | return; | |
1070 | } | |
1071 | if (status == RPC_STATUS_CANCEL) { | |
1072 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1073 | free_nfs_cb_data(data); | |
1074 | return; | |
1075 | } | |
1076 | ||
1077 | res = command_data; | |
1078 | if (res->status != NFS3_OK) { | |
1079 | rpc_set_error(nfs->rpc, "NFS: Write failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
1080 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1081 | free_nfs_cb_data(data); | |
1082 | return; | |
1083 | } | |
1084 | ||
1085 | data->nfsfh->offset += res->WRITE3res_u.resok.count; | |
1086 | data->cb(res->WRITE3res_u.resok.count, nfs, NULL, data->private_data); | |
1087 | free_nfs_cb_data(data); | |
1088 | } | |
1089 | ||
4a2b0876 | 1090 | static void nfs_pwrite_mcb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
18c27b73 RS |
1091 | { |
1092 | struct nfs_mcb_data *mdata = private_data; | |
1093 | struct nfs_cb_data *data = mdata->data; | |
1094 | struct nfs_context *nfs = data->nfs; | |
1095 | WRITE3res *res; | |
1096 | ||
4a2b0876 RS |
1097 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
1098 | ||
18c27b73 RS |
1099 | data->num_calls--; |
1100 | ||
1101 | if (status == RPC_STATUS_ERROR) { | |
1102 | /* flag the failure but do not invoke callback until we have received all responses */ | |
1103 | data->error = 1; | |
1104 | } | |
1105 | if (status == RPC_STATUS_CANCEL) { | |
1106 | /* flag the cancellation but do not invoke callback until we have received all responses */ | |
1107 | data->cancel = 1; | |
1108 | } | |
1109 | ||
1110 | if (status == RPC_STATUS_SUCCESS) { | |
1111 | res = command_data; | |
1112 | if (res->status != NFS3_OK) { | |
1113 | rpc_set_error(nfs->rpc, "NFS: Write failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
1114 | data->error = 1; | |
1115 | } else { | |
1116 | if (res->WRITE3res_u.resok.count > 0) { | |
1117 | if ((unsigned)data->max_offset < mdata->offset + res->WRITE3res_u.resok.count) { | |
1118 | data->max_offset = mdata->offset + res->WRITE3res_u.resok.count; | |
1119 | } | |
1120 | } | |
1121 | } | |
1122 | } | |
1123 | ||
1124 | if (data->num_calls > 0) { | |
1125 | /* still waiting for more replies */ | |
1126 | free(mdata); | |
1127 | return; | |
1128 | } | |
1129 | ||
1130 | if (data->error != 0) { | |
1131 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1132 | free_nfs_cb_data(data); | |
1133 | free(mdata); | |
1134 | return; | |
1135 | } | |
1136 | if (data->cancel != 0) { | |
1137 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1138 | free_nfs_cb_data(data); | |
1139 | free(mdata); | |
1140 | return; | |
1141 | } | |
1142 | ||
1143 | data->nfsfh->offset = data->max_offset; | |
1144 | data->cb(data->max_offset - data->start_offset, nfs, NULL, data->private_data); | |
1145 | ||
1146 | free_nfs_cb_data(data); | |
1147 | free(mdata); | |
1148 | } | |
1149 | ||
1150 | ||
183451cf | 1151 | int nfs_pwrite_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t offset, uint64_t count, char *buf, nfs_cb cb, void *private_data) |
84004dbf RS |
1152 | { |
1153 | struct nfs_cb_data *data; | |
1154 | ||
1155 | data = malloc(sizeof(struct nfs_cb_data)); | |
1156 | if (data == NULL) { | |
1157 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
84004dbf RS |
1158 | return -1; |
1159 | } | |
ea98629a | 1160 | memset(data, 0, sizeof(struct nfs_cb_data)); |
84004dbf RS |
1161 | data->nfs = nfs; |
1162 | data->cb = cb; | |
1163 | data->private_data = private_data; | |
1164 | data->nfsfh = nfsfh; | |
1165 | ||
1166 | nfsfh->offset = offset; | |
18c27b73 RS |
1167 | |
1168 | if (count <= nfs_get_writemax(nfs)) { | |
1169 | if (rpc_nfs_write_async(nfs->rpc, nfs_pwrite_cb, &nfsfh->fh, buf, offset, count, nfsfh->is_sync?FILE_SYNC:UNSTABLE, data) != 0) { | |
1170 | rpc_set_error(nfs->rpc, "RPC error: Failed to send WRITE call for %s", data->path); | |
1171 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1172 | free_nfs_cb_data(data); | |
1173 | return -1; | |
1174 | } | |
1175 | return 0; | |
84004dbf | 1176 | } |
18c27b73 RS |
1177 | |
1178 | /* trying to write more than maximum server write size, we has to chop it up into smaller | |
1179 | * chunks. | |
1180 | * we send all writes in parallell so that performance is still good. | |
1181 | */ | |
1182 | data->max_offset = offset; | |
1183 | data->start_offset = offset; | |
1184 | ||
1185 | while (count > 0) { | |
183451cf | 1186 | uint64_t writecount = count; |
18c27b73 RS |
1187 | struct nfs_mcb_data *mdata; |
1188 | ||
1189 | if (writecount > nfs_get_writemax(nfs)) { | |
1190 | writecount = nfs_get_writemax(nfs); | |
1191 | } | |
1192 | ||
1193 | mdata = malloc(sizeof(struct nfs_mcb_data)); | |
1194 | if (mdata == NULL) { | |
1195 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_mcb_data structure"); | |
1196 | return -1; | |
1197 | } | |
1198 | memset(mdata, 0, sizeof(struct nfs_mcb_data)); | |
1199 | mdata->data = data; | |
1200 | mdata->offset = offset; | |
1201 | mdata->count = writecount; | |
1202 | ||
1203 | if (rpc_nfs_write_async(nfs->rpc, nfs_pwrite_mcb, &nfsfh->fh, &buf[offset - data->start_offset], offset, writecount, nfsfh->is_sync?FILE_SYNC:UNSTABLE, mdata) != 0) { | |
1204 | rpc_set_error(nfs->rpc, "RPC error: Failed to send WRITE call for %s", data->path); | |
1205 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1206 | free(mdata); | |
1207 | return -1; | |
1208 | } | |
1209 | ||
1210 | count -= writecount; | |
1211 | offset += writecount; | |
1212 | data->num_calls++; | |
1213 | } | |
1214 | ||
84004dbf RS |
1215 | return 0; |
1216 | } | |
1217 | ||
1218 | /* | |
1219 | * Async write() | |
1220 | */ | |
183451cf | 1221 | int nfs_write_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t count, char *buf, nfs_cb cb, void *private_data) |
84004dbf RS |
1222 | { |
1223 | return nfs_pwrite_async(nfs, nfsfh, nfsfh->offset, count, buf, cb, private_data); | |
1224 | } | |
1225 | ||
1226 | ||
1227 | ||
1228 | ||
1229 | /* | |
1230 | * close | |
1231 | */ | |
1232 | ||
1233 | int nfs_close_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data) | |
1234 | { | |
1235 | if (nfsfh->fh.data.data_val != NULL){ | |
1236 | free(nfsfh->fh.data.data_val); | |
1237 | nfsfh->fh.data.data_val = NULL; | |
1238 | } | |
1239 | free(nfsfh); | |
1240 | ||
1241 | cb(0, nfs, NULL, private_data); | |
1242 | return 0; | |
1243 | }; | |
1244 | ||
1245 | ||
1246 | ||
1247 | ||
1248 | ||
1249 | /* | |
1250 | * Async fstat() | |
1251 | */ | |
1252 | int nfs_fstat_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data) | |
1253 | { | |
1254 | struct nfs_cb_data *data; | |
1255 | ||
1256 | data = malloc(sizeof(struct nfs_cb_data)); | |
1257 | if (data == NULL) { | |
1258 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
84004dbf RS |
1259 | return -1; |
1260 | } | |
ea98629a | 1261 | memset(data, 0, sizeof(struct nfs_cb_data)); |
84004dbf RS |
1262 | data->nfs = nfs; |
1263 | data->cb = cb; | |
1264 | data->private_data = private_data; | |
1265 | ||
1266 | if (rpc_nfs_getattr_async(nfs->rpc, nfs_stat_1_cb, &nfsfh->fh, data) != 0) { | |
1267 | rpc_set_error(nfs->rpc, "RPC error: Failed to send STAT GETATTR call for %s", data->path); | |
1268 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1269 | free_nfs_cb_data(data); | |
1270 | return -1; | |
1271 | } | |
1272 | return 0; | |
1273 | } | |
1274 | ||
1275 | ||
1276 | ||
1277 | /* | |
1278 | * Async fsync() | |
1279 | */ | |
4a2b0876 | 1280 | static void nfs_fsync_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
1281 | { |
1282 | struct nfs_cb_data *data = private_data; | |
1283 | struct nfs_context *nfs = data->nfs; | |
1284 | COMMIT3res *res; | |
1285 | ||
4a2b0876 RS |
1286 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
1287 | ||
84004dbf RS |
1288 | if (status == RPC_STATUS_ERROR) { |
1289 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1290 | free_nfs_cb_data(data); | |
1291 | return; | |
1292 | } | |
1293 | if (status == RPC_STATUS_CANCEL) { | |
1294 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1295 | free_nfs_cb_data(data); | |
1296 | return; | |
1297 | } | |
1298 | ||
1299 | res = command_data; | |
1300 | if (res->status != NFS3_OK) { | |
1301 | rpc_set_error(nfs->rpc, "NFS: Commit failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
1302 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1303 | free_nfs_cb_data(data); | |
1304 | return; | |
1305 | } | |
1306 | ||
1307 | data->cb(0, nfs, NULL, data->private_data); | |
1308 | free_nfs_cb_data(data); | |
1309 | } | |
1310 | ||
1311 | int nfs_fsync_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data) | |
1312 | { | |
1313 | struct nfs_cb_data *data; | |
1314 | ||
1315 | data = malloc(sizeof(struct nfs_cb_data)); | |
1316 | if (data == NULL) { | |
1317 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
84004dbf RS |
1318 | return -1; |
1319 | } | |
ea98629a | 1320 | memset(data, 0, sizeof(struct nfs_cb_data)); |
84004dbf RS |
1321 | data->nfs = nfs; |
1322 | data->cb = cb; | |
1323 | data->private_data = private_data; | |
1324 | ||
1325 | if (rpc_nfs_commit_async(nfs->rpc, nfs_fsync_cb, &nfsfh->fh, data) != 0) { | |
1326 | rpc_set_error(nfs->rpc, "RPC error: Failed to send COMMIT call for %s", data->path); | |
1327 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1328 | free_nfs_cb_data(data); | |
1329 | return -1; | |
1330 | } | |
1331 | return 0; | |
1332 | } | |
1333 | ||
1334 | ||
1335 | ||
1336 | ||
1337 | /* | |
1338 | * Async ftruncate() | |
1339 | */ | |
4a2b0876 | 1340 | static void nfs_ftruncate_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
1341 | { |
1342 | struct nfs_cb_data *data = private_data; | |
1343 | struct nfs_context *nfs = data->nfs; | |
1344 | SETATTR3res *res; | |
1345 | ||
4a2b0876 RS |
1346 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
1347 | ||
84004dbf RS |
1348 | if (status == RPC_STATUS_ERROR) { |
1349 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1350 | free_nfs_cb_data(data); | |
1351 | return; | |
1352 | } | |
1353 | if (status == RPC_STATUS_CANCEL) { | |
1354 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1355 | free_nfs_cb_data(data); | |
1356 | return; | |
1357 | } | |
1358 | ||
1359 | res = command_data; | |
1360 | if (res->status != NFS3_OK) { | |
1361 | rpc_set_error(nfs->rpc, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
1362 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1363 | free_nfs_cb_data(data); | |
1364 | return; | |
1365 | } | |
1366 | ||
1367 | data->cb(0, nfs, NULL, data->private_data); | |
1368 | free_nfs_cb_data(data); | |
1369 | } | |
1370 | ||
183451cf | 1371 | int nfs_ftruncate_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t length, nfs_cb cb, void *private_data) |
84004dbf RS |
1372 | { |
1373 | struct nfs_cb_data *data; | |
1374 | SETATTR3args args; | |
1375 | ||
1376 | data = malloc(sizeof(struct nfs_cb_data)); | |
1377 | if (data == NULL) { | |
1378 | rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure"); | |
84004dbf RS |
1379 | return -1; |
1380 | } | |
ea98629a | 1381 | memset(data, 0, sizeof(struct nfs_cb_data)); |
84004dbf RS |
1382 | data->nfs = nfs; |
1383 | data->cb = cb; | |
1384 | data->private_data = private_data; | |
1385 | ||
ea98629a | 1386 | memset(&args, 0, sizeof(SETATTR3args)); |
84004dbf RS |
1387 | args.object.data.data_len = nfsfh->fh.data.data_len; |
1388 | args.object.data.data_val = nfsfh->fh.data.data_val; | |
1389 | args.new_attributes.size.set_it = 1; | |
1390 | args.new_attributes.size.set_size3_u.size = length; | |
1391 | ||
1392 | if (rpc_nfs_setattr_async(nfs->rpc, nfs_ftruncate_cb, &args, data) != 0) { | |
1393 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path); | |
1394 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1395 | free_nfs_cb_data(data); | |
1396 | return -1; | |
1397 | } | |
1398 | return 0; | |
1399 | } | |
1400 | ||
1401 | ||
1402 | /* | |
1403 | * Async truncate() | |
1404 | */ | |
1405 | static int nfs_truncate_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
1406 | { | |
183451cf | 1407 | uint64_t offset = data->continue_int; |
84004dbf RS |
1408 | struct nfsfh nfsfh; |
1409 | ||
1410 | nfsfh.fh.data.data_val = data->fh.data.data_val; | |
1411 | nfsfh.fh.data.data_len = data->fh.data.data_len; | |
1412 | ||
1413 | if (nfs_ftruncate_async(nfs, &nfsfh, offset, data->cb, data->private_data) != 0) { | |
1414 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path); | |
1415 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1416 | free_nfs_cb_data(data); | |
1417 | return -1; | |
1418 | } | |
1419 | free_nfs_cb_data(data); | |
1420 | return 0; | |
1421 | } | |
1422 | ||
183451cf | 1423 | int nfs_truncate_async(struct nfs_context *nfs, const char *path, uint64_t length, nfs_cb cb, void *private_data) |
84004dbf | 1424 | { |
183451cf | 1425 | uint64_t offset; |
84004dbf RS |
1426 | |
1427 | offset = length; | |
1428 | ||
1429 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_truncate_continue_internal, NULL, NULL, offset) != 0) { | |
cbbf9d3e RS |
1430 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
1431 | return -1; | |
84004dbf RS |
1432 | } |
1433 | ||
1434 | return 0; | |
1435 | } | |
1436 | ||
1437 | ||
1438 | ||
1439 | ||
1440 | /* | |
1441 | * Async mkdir() | |
1442 | */ | |
4a2b0876 | 1443 | static void nfs_mkdir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
1444 | { |
1445 | MKDIR3res *res; | |
1446 | struct nfs_cb_data *data = private_data; | |
1447 | struct nfs_context *nfs = data->nfs; | |
1448 | char *str = data->continue_data; | |
1449 | ||
4a2b0876 RS |
1450 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
1451 | ||
84004dbf RS |
1452 | str = &str[strlen(str) + 1]; |
1453 | ||
1454 | if (status == RPC_STATUS_ERROR) { | |
1455 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1456 | free_nfs_cb_data(data); | |
1457 | return; | |
1458 | } | |
1459 | if (status == RPC_STATUS_CANCEL) { | |
1460 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1461 | free_nfs_cb_data(data); | |
1462 | return; | |
1463 | } | |
1464 | ||
1465 | res = command_data; | |
1466 | if (res->status != NFS3_OK) { | |
1467 | 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)); | |
1468 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1469 | free_nfs_cb_data(data); | |
1470 | return; | |
1471 | } | |
1472 | ||
1473 | data->cb(0, nfs, NULL, data->private_data); | |
1474 | free_nfs_cb_data(data); | |
1475 | } | |
1476 | ||
1477 | static int nfs_mkdir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
1478 | { | |
1479 | char *str = data->continue_data; | |
7edc9026 RS |
1480 | MKDIR3args args; |
1481 | ||
84004dbf RS |
1482 | str = &str[strlen(str) + 1]; |
1483 | ||
7edc9026 RS |
1484 | memset(&args, 0, sizeof(MKDIR3args)); |
1485 | args.where.dir.data.data_len = data->fh.data.data_len; | |
1486 | args.where.dir.data.data_val = data->fh.data.data_val; | |
1487 | args.where.name = str; | |
1488 | args.attributes.mode.set_it = 1; | |
1489 | args.attributes.mode.set_mode3_u.mode = 0755; | |
1490 | ||
1491 | if (rpc_nfs_mkdir_async(nfs->rpc, nfs_mkdir_cb, &args, data) != 0) { | |
84004dbf RS |
1492 | rpc_set_error(nfs->rpc, "RPC error: Failed to send MKDIR call for %s", data->path); |
1493 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1494 | free_nfs_cb_data(data); | |
1495 | return -1; | |
1496 | } | |
1497 | return 0; | |
1498 | } | |
1499 | ||
1500 | int nfs_mkdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
1501 | { | |
1502 | char *new_path; | |
1503 | char *ptr; | |
1504 | ||
1505 | new_path = strdup(path); | |
1506 | if (new_path == NULL) { | |
cbbf9d3e | 1507 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path"); |
84004dbf RS |
1508 | return -1; |
1509 | } | |
1510 | ||
93e9306f | 1511 | ptr = strrchr(new_path, '/'); |
84004dbf | 1512 | if (ptr == NULL) { |
cbbf9d3e RS |
1513 | rpc_set_error(nfs->rpc, "Invalid path %s", path); |
1514 | return -1; | |
84004dbf RS |
1515 | } |
1516 | *ptr = 0; | |
1517 | ||
1518 | /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */ | |
1519 | if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_mkdir_continue_internal, new_path, free, 0) != 0) { | |
cbbf9d3e RS |
1520 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path component"); |
1521 | return -1; | |
84004dbf RS |
1522 | } |
1523 | ||
1524 | return 0; | |
1525 | } | |
1526 | ||
1527 | ||
1528 | ||
1529 | ||
1530 | ||
1531 | /* | |
1532 | * Async rmdir() | |
1533 | */ | |
4a2b0876 | 1534 | static void nfs_rmdir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
1535 | { |
1536 | RMDIR3res *res; | |
1537 | struct nfs_cb_data *data = private_data; | |
1538 | struct nfs_context *nfs = data->nfs; | |
1539 | char *str = data->continue_data; | |
1540 | ||
4a2b0876 RS |
1541 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
1542 | ||
84004dbf RS |
1543 | str = &str[strlen(str) + 1]; |
1544 | ||
1545 | if (status == RPC_STATUS_ERROR) { | |
1546 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1547 | free_nfs_cb_data(data); | |
1548 | return; | |
1549 | } | |
1550 | if (status == RPC_STATUS_CANCEL) { | |
1551 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1552 | free_nfs_cb_data(data); | |
1553 | return; | |
1554 | } | |
1555 | ||
1556 | res = command_data; | |
1557 | if (res->status != NFS3_OK) { | |
1558 | 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)); | |
1559 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1560 | free_nfs_cb_data(data); | |
1561 | return; | |
1562 | } | |
1563 | ||
1564 | data->cb(0, nfs, NULL, data->private_data); | |
1565 | free_nfs_cb_data(data); | |
1566 | } | |
1567 | ||
1568 | static int nfs_rmdir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
1569 | { | |
1570 | char *str = data->continue_data; | |
1571 | ||
1572 | str = &str[strlen(str) + 1]; | |
1573 | ||
1574 | if (rpc_nfs_rmdir_async(nfs->rpc, nfs_rmdir_cb, &data->fh, str, data) != 0) { | |
1575 | rpc_set_error(nfs->rpc, "RPC error: Failed to send RMDIR call for %s", data->path); | |
1576 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1577 | free_nfs_cb_data(data); | |
1578 | return -1; | |
1579 | } | |
1580 | return 0; | |
1581 | } | |
1582 | ||
1583 | int nfs_rmdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
1584 | { | |
1585 | char *new_path; | |
1586 | char *ptr; | |
1587 | ||
1588 | new_path = strdup(path); | |
1589 | if (new_path == NULL) { | |
cbbf9d3e | 1590 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path"); |
84004dbf RS |
1591 | return -1; |
1592 | } | |
1593 | ||
93e9306f | 1594 | ptr = strrchr(new_path, '/'); |
84004dbf | 1595 | if (ptr == NULL) { |
cbbf9d3e RS |
1596 | rpc_set_error(nfs->rpc, "Invalid path %s", path); |
1597 | return -1; | |
84004dbf RS |
1598 | } |
1599 | *ptr = 0; | |
1600 | ||
1601 | /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */ | |
1602 | if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_rmdir_continue_internal, new_path, free, 0) != 0) { | |
cbbf9d3e RS |
1603 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
1604 | return -1; | |
84004dbf RS |
1605 | } |
1606 | ||
1607 | return 0; | |
1608 | } | |
1609 | ||
1610 | ||
1611 | ||
1612 | ||
1613 | /* | |
1614 | * Async creat() | |
1615 | */ | |
4a2b0876 | 1616 | static void nfs_create_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
1617 | { |
1618 | LOOKUP3res *res; | |
1619 | struct nfs_cb_data *data = private_data; | |
1620 | struct nfs_context *nfs = data->nfs; | |
1621 | struct nfsfh *nfsfh; | |
1622 | char *str = data->continue_data; | |
1623 | ||
4a2b0876 RS |
1624 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
1625 | ||
84004dbf RS |
1626 | if (status == RPC_STATUS_ERROR) { |
1627 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1628 | free_nfs_cb_data(data); | |
1629 | return; | |
1630 | } | |
1631 | if (status == RPC_STATUS_CANCEL) { | |
1632 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1633 | free_nfs_cb_data(data); | |
1634 | return; | |
1635 | } | |
1636 | ||
1637 | str = &str[strlen(str) + 1]; | |
1638 | res = command_data; | |
1639 | if (res->status != NFS3_OK) { | |
1640 | 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)); | |
1641 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1642 | ||
1643 | return; | |
1644 | } | |
1645 | ||
1646 | nfsfh = malloc(sizeof(struct nfsfh)); | |
1647 | if (nfsfh == NULL) { | |
1648 | rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure"); | |
1649 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1650 | free_nfs_cb_data(data); | |
1651 | return; | |
1652 | } | |
ea98629a | 1653 | memset(nfsfh, 0, sizeof(struct nfsfh)); |
84004dbf RS |
1654 | |
1655 | /* steal the filehandle */ | |
1656 | nfsfh->fh.data.data_len = data->fh.data.data_len; | |
1657 | nfsfh->fh.data.data_val = data->fh.data.data_val; | |
1658 | data->fh.data.data_val = NULL; | |
1659 | ||
1660 | data->cb(0, nfs, nfsfh, data->private_data); | |
1661 | free_nfs_cb_data(data); | |
1662 | } | |
1663 | ||
1664 | ||
1665 | ||
4a2b0876 | 1666 | static void nfs_creat_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
1667 | { |
1668 | CREATE3res *res; | |
1669 | struct nfs_cb_data *data = private_data; | |
1670 | struct nfs_context *nfs = data->nfs; | |
1671 | char *str = data->continue_data; | |
1672 | ||
4a2b0876 RS |
1673 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
1674 | ||
84004dbf RS |
1675 | if (status == RPC_STATUS_ERROR) { |
1676 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
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 | free_nfs_cb_data(data); | |
1683 | return; | |
1684 | } | |
1685 | ||
1686 | str = &str[strlen(str) + 1]; | |
1687 | res = command_data; | |
1688 | if (res->status != NFS3_OK) { | |
1689 | 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)); | |
1690 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1691 | ||
1692 | return; | |
1693 | } | |
1694 | ||
1695 | if (rpc_nfs_lookup_async(nfs->rpc, nfs_create_2_cb, &data->fh, str, data) != 0) { | |
1696 | rpc_set_error(nfs->rpc, "RPC error: Failed to send lookup call for %s/%s", data->saved_path, str); | |
1697 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1698 | free_nfs_cb_data(data); | |
1699 | return; | |
1700 | } | |
1701 | return; | |
1702 | } | |
1703 | ||
1704 | static int nfs_creat_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
1705 | { | |
1706 | char *str = data->continue_data; | |
c985c015 RS |
1707 | CREATE3args args; |
1708 | ||
84004dbf RS |
1709 | str = &str[strlen(str) + 1]; |
1710 | ||
c985c015 RS |
1711 | |
1712 | memset(&args, 0, sizeof(CREATE3args)); | |
1713 | args.where.dir.data.data_len = data->fh.data.data_len; | |
1714 | args.where.dir.data.data_val = data->fh.data.data_val; | |
1715 | args.where.name = str; | |
1716 | args.how.mode = UNCHECKED; | |
1717 | args.how.createhow3_u.obj_attributes.mode.set_it = 1; | |
1718 | args.how.createhow3_u.obj_attributes.mode.set_mode3_u.mode = data->continue_int; | |
1719 | ||
1720 | if (rpc_nfs_create_async(nfs->rpc, nfs_creat_1_cb, &args, data) != 0) { | |
84004dbf RS |
1721 | rpc_set_error(nfs->rpc, "RPC error: Failed to send CREATE call for %s/%s", data->path, str); |
1722 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1723 | free_nfs_cb_data(data); | |
1724 | return -1; | |
1725 | } | |
1726 | return 0; | |
1727 | } | |
1728 | ||
1729 | int nfs_creat_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data) | |
1730 | { | |
1731 | char *new_path; | |
1732 | char *ptr; | |
1733 | ||
1734 | new_path = strdup(path); | |
1735 | if (new_path == NULL) { | |
cbbf9d3e | 1736 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path"); |
84004dbf RS |
1737 | return -1; |
1738 | } | |
1739 | ||
93e9306f | 1740 | ptr = strrchr(new_path, '/'); |
84004dbf | 1741 | if (ptr == NULL) { |
cbbf9d3e RS |
1742 | rpc_set_error(nfs->rpc, "Invalid path %s", path); |
1743 | return -1; | |
84004dbf RS |
1744 | } |
1745 | *ptr = 0; | |
1746 | ||
1747 | /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */ | |
1748 | if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_creat_continue_internal, new_path, free, mode) != 0) { | |
cbbf9d3e RS |
1749 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
1750 | return -1; | |
84004dbf RS |
1751 | } |
1752 | ||
1753 | return 0; | |
1754 | } | |
1755 | ||
1756 | ||
1757 | ||
1758 | ||
1759 | /* | |
1760 | * Async unlink() | |
1761 | */ | |
4a2b0876 | 1762 | static void nfs_unlink_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
1763 | { |
1764 | REMOVE3res *res; | |
1765 | struct nfs_cb_data *data = private_data; | |
1766 | struct nfs_context *nfs = data->nfs; | |
1767 | char *str = data->continue_data; | |
1768 | ||
4a2b0876 RS |
1769 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
1770 | ||
84004dbf RS |
1771 | str = &str[strlen(str) + 1]; |
1772 | ||
1773 | if (status == RPC_STATUS_ERROR) { | |
1774 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1775 | free_nfs_cb_data(data); | |
1776 | return; | |
1777 | } | |
1778 | if (status == RPC_STATUS_CANCEL) { | |
1779 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1780 | free_nfs_cb_data(data); | |
1781 | return; | |
1782 | } | |
1783 | ||
1784 | res = command_data; | |
1785 | if (res->status != NFS3_OK) { | |
1786 | 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)); | |
1787 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1788 | free_nfs_cb_data(data); | |
1789 | return; | |
1790 | } | |
1791 | ||
1792 | data->cb(0, nfs, NULL, data->private_data); | |
1793 | free_nfs_cb_data(data); | |
1794 | } | |
1795 | ||
1796 | static int nfs_unlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
1797 | { | |
1798 | char *str = data->continue_data; | |
1799 | ||
1800 | str = &str[strlen(str) + 1]; | |
1801 | ||
1802 | if (rpc_nfs_remove_async(nfs->rpc, nfs_unlink_cb, &data->fh, str, data) != 0) { | |
1803 | rpc_set_error(nfs->rpc, "RPC error: Failed to send REMOVE call for %s", data->path); | |
1804 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1805 | free_nfs_cb_data(data); | |
1806 | return -1; | |
1807 | } | |
1808 | return 0; | |
1809 | } | |
1810 | ||
1811 | int nfs_unlink_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
1812 | { | |
1813 | char *new_path; | |
1814 | char *ptr; | |
1815 | ||
1816 | new_path = strdup(path); | |
1817 | if (new_path == NULL) { | |
cbbf9d3e | 1818 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path"); |
84004dbf RS |
1819 | return -1; |
1820 | } | |
1821 | ||
93e9306f | 1822 | ptr = strrchr(new_path, '/'); |
84004dbf | 1823 | if (ptr == NULL) { |
cbbf9d3e RS |
1824 | rpc_set_error(nfs->rpc, "Invalid path %s", path); |
1825 | return -1; | |
84004dbf RS |
1826 | } |
1827 | *ptr = 0; | |
1828 | ||
1829 | /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */ | |
1830 | if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_unlink_continue_internal, new_path, free, 0) != 0) { | |
cbbf9d3e RS |
1831 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
1832 | return -1; | |
84004dbf RS |
1833 | } |
1834 | ||
1835 | return 0; | |
1836 | } | |
1837 | ||
1838 | ||
1ec6b50a RS |
1839 | /* |
1840 | * Async mknod() | |
1841 | */ | |
1842 | struct mknod_cb_data { | |
1843 | char *path; | |
1844 | int mode; | |
1845 | int major; | |
1846 | int minor; | |
1847 | }; | |
1848 | ||
1849 | static void free_mknod_cb_data(void *ptr) | |
1850 | { | |
1851 | struct mknod_cb_data *data = ptr; | |
1852 | ||
1853 | free(data->path); | |
1854 | free(data); | |
1855 | } | |
1856 | ||
4a2b0876 | 1857 | static void nfs_mknod_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
1ec6b50a RS |
1858 | { |
1859 | MKNOD3res *res; | |
1860 | struct nfs_cb_data *data = private_data; | |
1861 | struct nfs_context *nfs = data->nfs; | |
1862 | char *str = data->continue_data; | |
1863 | ||
4a2b0876 RS |
1864 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
1865 | ||
1ec6b50a RS |
1866 | str = &str[strlen(str) + 1]; |
1867 | ||
1868 | if (status == RPC_STATUS_ERROR) { | |
1869 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
1870 | free_nfs_cb_data(data); | |
1871 | return; | |
1872 | } | |
1873 | if (status == RPC_STATUS_CANCEL) { | |
1874 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
1875 | free_nfs_cb_data(data); | |
1876 | return; | |
1877 | } | |
1878 | ||
1879 | res = command_data; | |
1880 | if (res->status != NFS3_OK) { | |
1881 | rpc_set_error(nfs->rpc, "NFS: MKNOD of %s/%s failed with %s(%d)", data->saved_path, str, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
1882 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1883 | free_nfs_cb_data(data); | |
1884 | return; | |
1885 | } | |
1886 | ||
1887 | data->cb(0, nfs, NULL, data->private_data); | |
1888 | free_nfs_cb_data(data); | |
1889 | } | |
1890 | ||
1891 | static int nfs_mknod_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
1892 | { | |
1893 | struct mknod_cb_data *cb_data = data->continue_data; | |
1894 | char *str = cb_data->path; | |
1895 | ||
1896 | str = &str[strlen(str) + 1]; | |
1897 | ||
1898 | if (rpc_nfs_mknod_async(nfs->rpc, nfs_mknod_cb, &data->fh, str, cb_data->mode, cb_data->major, cb_data->minor, data) != 0) { | |
1899 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
1900 | free_nfs_cb_data(data); | |
1901 | return -1; | |
1902 | } | |
1903 | return 0; | |
1904 | } | |
1905 | ||
1906 | int nfs_mknod_async(struct nfs_context *nfs, const char *path, int mode, int dev, nfs_cb cb, void *private_data) | |
1907 | { | |
1908 | char *ptr; | |
1909 | struct mknod_cb_data *cb_data; | |
1910 | ||
1911 | cb_data = malloc(sizeof(struct mknod_cb_data)); | |
1912 | if (cb_data == NULL) { | |
1913 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for cb data"); | |
1914 | return -1; | |
1915 | } | |
1916 | ||
1917 | cb_data->path = strdup(path); | |
1918 | if (cb_data->path == NULL) { | |
1919 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path"); | |
1920 | free(cb_data); | |
1921 | return -1; | |
1922 | } | |
1923 | ||
1924 | ptr = strrchr(cb_data->path, '/'); | |
1925 | if (ptr == NULL) { | |
1926 | rpc_set_error(nfs->rpc, "Invalid path %s", path); | |
1927 | return -1; | |
1928 | } | |
1929 | *ptr = 0; | |
1930 | ||
1931 | cb_data->mode = mode; | |
1932 | cb_data->major = major(dev); | |
1933 | cb_data->minor = minor(dev); | |
1934 | ||
1935 | /* data->path now points to the parent directory, and beyond the nul terminateor is the new directory to create */ | |
1936 | if (nfs_lookuppath_async(nfs, cb_data->path, cb, private_data, nfs_mknod_continue_internal, cb_data, free_mknod_cb_data, 0) != 0) { | |
1937 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); | |
1938 | free_mknod_cb_data(cb_data); | |
1939 | return -1; | |
1940 | } | |
1941 | ||
1942 | return 0; | |
1943 | } | |
84004dbf | 1944 | |
84004dbf RS |
1945 | /* |
1946 | * Async opendir() | |
1947 | */ | |
fb69c64c RS |
1948 | |
1949 | /* ReadDirPlus Emulation Callback data */ | |
1950 | struct rdpe_cb_data { | |
1951 | int getattrcount; | |
1952 | int status; | |
1953 | struct nfs_cb_data *data; | |
1954 | }; | |
1955 | ||
1956 | /* ReadDirPlus Emulation LOOKUP Callback data */ | |
1957 | struct rdpe_lookup_cb_data { | |
1958 | struct rdpe_cb_data *rdpe_cb_data; | |
1959 | struct nfsdirent *nfsdirent; | |
1960 | }; | |
1961 | ||
1962 | /* Workaround for servers lacking READDIRPLUS, use READDIR instead and a GETATTR-loop */ | |
4a2b0876 | 1963 | static void nfs_opendir3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf | 1964 | { |
fb69c64c RS |
1965 | LOOKUP3res *res = command_data; |
1966 | struct rdpe_lookup_cb_data *rdpe_lookup_cb_data = private_data; | |
1967 | struct rdpe_cb_data *rdpe_cb_data = rdpe_lookup_cb_data->rdpe_cb_data; | |
1968 | struct nfs_cb_data *data = rdpe_cb_data->data; | |
1969 | struct nfsdir *nfsdir = data->continue_data; | |
1970 | struct nfs_context *nfs = data->nfs; | |
1971 | struct nfsdirent *nfsdirent = rdpe_lookup_cb_data->nfsdirent; | |
1972 | ||
4a2b0876 RS |
1973 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
1974 | ||
fb69c64c RS |
1975 | free(rdpe_lookup_cb_data); |
1976 | ||
1977 | rdpe_cb_data->getattrcount--; | |
1978 | ||
1979 | if (status == RPC_STATUS_ERROR) { | |
1980 | rdpe_cb_data->status = RPC_STATUS_ERROR; | |
1981 | } | |
1982 | if (status == RPC_STATUS_CANCEL) { | |
1983 | rdpe_cb_data->status = RPC_STATUS_CANCEL; | |
1984 | } | |
1985 | if (status == RPC_STATUS_SUCCESS && res->status != NFS3_OK) { | |
1986 | rdpe_cb_data->status = RPC_STATUS_ERROR; | |
1987 | } | |
1988 | if (status == RPC_STATUS_SUCCESS && res->status == NFS3_OK) { | |
1989 | if (res->LOOKUP3res_u.resok.obj_attributes.attributes_follow) { | |
1990 | fattr3 *attributes = &res->LOOKUP3res_u.resok.obj_attributes.post_op_attr_u.attributes; | |
1991 | ||
1992 | nfsdirent->type = attributes->type; | |
1993 | nfsdirent->mode = attributes->mode; | |
1994 | nfsdirent->size = attributes->size; | |
1995 | ||
1996 | nfsdirent->atime.tv_sec = attributes->atime.seconds; | |
1997 | nfsdirent->atime.tv_usec = attributes->atime.nseconds/1000; | |
1998 | nfsdirent->mtime.tv_sec = attributes->mtime.seconds; | |
1999 | nfsdirent->mtime.tv_usec = attributes->mtime.nseconds/1000; | |
2000 | nfsdirent->ctime.tv_sec = attributes->ctime.seconds; | |
2001 | nfsdirent->ctime.tv_usec = attributes->ctime.nseconds/1000; | |
2002 | } | |
2003 | } | |
2004 | ||
2005 | if (rdpe_cb_data->getattrcount == 0) { | |
2006 | if (rdpe_cb_data->status != RPC_STATUS_SUCCESS) { | |
2007 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2008 | nfs_free_nfsdir(nfsdir); | |
2009 | } else { | |
2010 | data->cb(0, nfs, nfsdir, data->private_data); | |
2011 | } | |
2012 | free(rdpe_cb_data); | |
2013 | ||
2014 | data->continue_data = NULL; | |
2015 | free_nfs_cb_data(data); | |
2016 | } | |
2017 | } | |
2018 | ||
4a2b0876 | 2019 | static void nfs_opendir2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
fb69c64c RS |
2020 | { |
2021 | READDIR3res *res = command_data; | |
84004dbf RS |
2022 | struct nfs_cb_data *data = private_data; |
2023 | struct nfs_context *nfs = data->nfs; | |
fb6510bb | 2024 | struct nfsdir *nfsdir = data->continue_data; |
fb69c64c RS |
2025 | struct nfsdirent *nfsdirent; |
2026 | struct entry3 *entry; | |
84004dbf | 2027 | uint64_t cookie; |
fb69c64c RS |
2028 | struct rdpe_cb_data *rdpe_cb_data; |
2029 | ||
4a2b0876 RS |
2030 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
2031 | ||
84004dbf RS |
2032 | if (status == RPC_STATUS_ERROR) { |
2033 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2034 | nfs_free_nfsdir(nfsdir); | |
2035 | data->continue_data = NULL; | |
2036 | free_nfs_cb_data(data); | |
2037 | return; | |
2038 | } | |
fb69c64c | 2039 | |
84004dbf RS |
2040 | if (status == RPC_STATUS_CANCEL) { |
2041 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2042 | nfs_free_nfsdir(nfsdir); | |
2043 | data->continue_data = NULL; | |
2044 | free_nfs_cb_data(data); | |
2045 | return; | |
2046 | } | |
2047 | ||
84004dbf RS |
2048 | if (res->status != NFS3_OK) { |
2049 | 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)); | |
2050 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2051 | nfs_free_nfsdir(nfsdir); | |
2052 | data->continue_data = NULL; | |
2053 | free_nfs_cb_data(data); | |
2054 | return; | |
fb69c64c RS |
2055 | } |
2056 | ||
2057 | entry =res->READDIR3res_u.resok.reply.entries; | |
2058 | while (entry != NULL) { | |
2059 | nfsdirent = malloc(sizeof(struct nfsdirent)); | |
2060 | if (nfsdirent == NULL) { | |
2061 | data->cb(-ENOMEM, nfs, "Failed to allocate dirent", data->private_data); | |
2062 | nfs_free_nfsdir(nfsdir); | |
2063 | data->continue_data = NULL; | |
2064 | free_nfs_cb_data(data); | |
2065 | return; | |
2066 | } | |
2067 | memset(nfsdirent, 0, sizeof(struct nfsdirent)); | |
2068 | nfsdirent->name = strdup(entry->name); | |
2069 | if (nfsdirent->name == NULL) { | |
2070 | data->cb(-ENOMEM, nfs, "Failed to allocate dirent->name", data->private_data); | |
2071 | nfs_free_nfsdir(nfsdir); | |
2072 | data->continue_data = NULL; | |
2073 | free_nfs_cb_data(data); | |
2074 | return; | |
2075 | } | |
2076 | nfsdirent->inode = entry->fileid; | |
2077 | ||
2078 | nfsdirent->next = nfsdir->entries; | |
2079 | nfsdir->entries = nfsdirent; | |
2080 | ||
2081 | cookie = entry->cookie; | |
2082 | entry = entry->nextentry; | |
2083 | } | |
2084 | ||
2085 | if (res->READDIR3res_u.resok.reply.eof == 0) { | |
2086 | if (rpc_nfs_readdir_async(nfs->rpc, nfs_opendir2_cb, &data->fh, cookie, res->READDIR3res_u.resok.cookieverf, 8192, data) != 0) { | |
2087 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR call for %s", data->path); | |
2088 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2089 | nfs_free_nfsdir(nfsdir); | |
2090 | data->continue_data = NULL; | |
2091 | free_nfs_cb_data(data); | |
2092 | return; | |
2093 | } | |
2094 | return; | |
2095 | } | |
2096 | ||
2097 | /* steal the dirhandle */ | |
2098 | nfsdir->current = nfsdir->entries; | |
2099 | ||
2100 | rdpe_cb_data = malloc(sizeof(struct rdpe_cb_data)); | |
2101 | rdpe_cb_data->getattrcount = 0; | |
2102 | rdpe_cb_data->status = RPC_STATUS_SUCCESS; | |
2103 | rdpe_cb_data->data = data; | |
2104 | for (nfsdirent = nfsdir->entries; nfsdirent; nfsdirent = nfsdirent->next) { | |
2105 | struct rdpe_lookup_cb_data *rdpe_lookup_cb_data; | |
2106 | ||
2107 | rdpe_lookup_cb_data = malloc(sizeof(struct rdpe_lookup_cb_data)); | |
2108 | rdpe_lookup_cb_data->rdpe_cb_data = rdpe_cb_data; | |
2109 | rdpe_lookup_cb_data->nfsdirent = nfsdirent; | |
2110 | ||
2111 | if (rpc_nfs_lookup_async(nfs->rpc, nfs_opendir3_cb, &data->fh, nfsdirent->name, rdpe_lookup_cb_data) != 0) { | |
2112 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR LOOKUP call"); | |
2113 | ||
2114 | /* if we have already commands in flight, we cant just stop, we have to wait for the | |
2115 | * commands in flight to complete | |
2116 | */ | |
2117 | if (rdpe_cb_data->getattrcount > 0) { | |
2118 | rdpe_cb_data->status = RPC_STATUS_ERROR; | |
2119 | free(rdpe_lookup_cb_data); | |
2120 | return; | |
2121 | } | |
2122 | ||
2123 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2124 | nfs_free_nfsdir(nfsdir); | |
2125 | data->continue_data = NULL; | |
2126 | free_nfs_cb_data(data); | |
2127 | free(rdpe_lookup_cb_data); | |
2128 | free(rdpe_cb_data); | |
2129 | return; | |
2130 | } | |
2131 | rdpe_cb_data->getattrcount++; | |
2132 | } | |
2133 | } | |
2134 | ||
2135 | ||
4a2b0876 | 2136 | static void nfs_opendir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
fb69c64c RS |
2137 | { |
2138 | READDIRPLUS3res *res = command_data; | |
2139 | struct nfs_cb_data *data = private_data; | |
2140 | struct nfs_context *nfs = data->nfs; | |
2141 | struct nfsdir *nfsdir = data->continue_data; | |
2142 | struct entryplus3 *entry; | |
2143 | uint64_t cookie; | |
2144 | ||
4a2b0876 | 2145 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
fb69c64c RS |
2146 | |
2147 | if (status == RPC_STATUS_ERROR || (status == RPC_STATUS_SUCCESS && res->status == NFS3ERR_NOTSUPP) ){ | |
2148 | cookieverf3 cv; | |
2149 | ||
2150 | if (rpc_nfs_readdir_async(nfs->rpc, nfs_opendir2_cb, &data->fh, 0, (char *)&cv, 8192, data) != 0) { | |
2151 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR call for %s", data->path); | |
2152 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2153 | nfs_free_nfsdir(nfsdir); | |
2154 | data->continue_data = NULL; | |
2155 | free_nfs_cb_data(data); | |
2156 | return; | |
2157 | } | |
2158 | return; | |
2159 | } | |
2160 | ||
2161 | if (status == RPC_STATUS_CANCEL) { | |
2162 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2163 | nfs_free_nfsdir(nfsdir); | |
2164 | data->continue_data = NULL; | |
2165 | free_nfs_cb_data(data); | |
2166 | return; | |
2167 | } | |
2168 | ||
2169 | if (res->status != NFS3_OK) { | |
2170 | rpc_set_error(nfs->rpc, "NFS: READDIRPLUS of %s failed with %s(%d)", data->saved_path, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
2171 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2172 | nfs_free_nfsdir(nfsdir); | |
2173 | data->continue_data = NULL; | |
2174 | free_nfs_cb_data(data); | |
2175 | return; | |
84004dbf RS |
2176 | } |
2177 | ||
f390f181 | 2178 | entry =res->READDIRPLUS3res_u.resok.reply.entries; |
84004dbf RS |
2179 | while (entry != NULL) { |
2180 | struct nfsdirent *nfsdirent; | |
2181 | ||
2182 | nfsdirent = malloc(sizeof(struct nfsdirent)); | |
2183 | if (nfsdirent == NULL) { | |
2184 | data->cb(-ENOMEM, nfs, "Failed to allocate dirent", data->private_data); | |
2185 | nfs_free_nfsdir(nfsdir); | |
2186 | data->continue_data = NULL; | |
2187 | free_nfs_cb_data(data); | |
2188 | return; | |
2189 | } | |
ea98629a | 2190 | memset(nfsdirent, 0, sizeof(struct nfsdirent)); |
84004dbf RS |
2191 | nfsdirent->name = strdup(entry->name); |
2192 | if (nfsdirent->name == NULL) { | |
2193 | data->cb(-ENOMEM, nfs, "Failed to allocate dirent->name", data->private_data); | |
2194 | nfs_free_nfsdir(nfsdir); | |
2195 | data->continue_data = NULL; | |
2196 | free_nfs_cb_data(data); | |
2197 | return; | |
2198 | } | |
2199 | nfsdirent->inode = entry->fileid; | |
0804e67d RS |
2200 | if (entry->name_attributes.attributes_follow) { |
2201 | nfsdirent->type = entry->name_attributes.post_op_attr_u.attributes.type; | |
2202 | nfsdirent->mode = entry->name_attributes.post_op_attr_u.attributes.mode; | |
2203 | nfsdirent->size = entry->name_attributes.post_op_attr_u.attributes.size; | |
2204 | ||
2205 | nfsdirent->atime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.atime.seconds; | |
2206 | nfsdirent->atime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.atime.nseconds/1000; | |
2207 | nfsdirent->mtime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.mtime.seconds; | |
2208 | nfsdirent->mtime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.mtime.nseconds/1000; | |
2209 | nfsdirent->ctime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.ctime.seconds; | |
2210 | nfsdirent->ctime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.ctime.nseconds/1000; | |
2211 | } | |
2212 | ||
84004dbf RS |
2213 | nfsdirent->next = nfsdir->entries; |
2214 | nfsdir->entries = nfsdirent; | |
2215 | ||
2216 | cookie = entry->cookie; | |
2217 | entry = entry->nextentry; | |
2218 | } | |
2219 | ||
f390f181 RS |
2220 | if (res->READDIRPLUS3res_u.resok.reply.eof == 0) { |
2221 | if (rpc_nfs_readdirplus_async(nfs->rpc, nfs_opendir_cb, &data->fh, cookie, res->READDIRPLUS3res_u.resok.cookieverf, 8192, data) != 0) { | |
2222 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIRPLUS call for %s", data->path); | |
84004dbf RS |
2223 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); |
2224 | nfs_free_nfsdir(nfsdir); | |
2225 | data->continue_data = NULL; | |
2226 | free_nfs_cb_data(data); | |
2227 | return; | |
2228 | } | |
2229 | return; | |
2230 | } | |
2231 | ||
2232 | /* steal the dirhandle */ | |
2233 | data->continue_data = NULL; | |
2234 | nfsdir->current = nfsdir->entries; | |
2235 | ||
2236 | data->cb(0, nfs, nfsdir, data->private_data); | |
2237 | free_nfs_cb_data(data); | |
2238 | } | |
2239 | ||
2240 | static int nfs_opendir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
2241 | { | |
2242 | cookieverf3 cv; | |
2243 | ||
ea98629a | 2244 | memset(cv, 0, sizeof(cookieverf3)); |
f390f181 RS |
2245 | if (rpc_nfs_readdirplus_async(nfs->rpc, nfs_opendir_cb, &data->fh, 0, (char *)&cv, 8192, data) != 0) { |
2246 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIRPLUS call for %s", data->path); | |
84004dbf RS |
2247 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); |
2248 | free_nfs_cb_data(data); | |
2249 | return -1; | |
2250 | } | |
2251 | return 0; | |
2252 | } | |
2253 | ||
2254 | int nfs_opendir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
2255 | { | |
2256 | struct nfsdir *nfsdir; | |
2257 | ||
2258 | nfsdir = malloc(sizeof(struct nfsdir)); | |
2259 | if (nfsdir == NULL) { | |
cbbf9d3e | 2260 | rpc_set_error(nfs->rpc, "failed to allocate buffer for nfsdir"); |
84004dbf RS |
2261 | return -1; |
2262 | } | |
ea98629a | 2263 | memset(nfsdir, 0, sizeof(struct nfsdir)); |
84004dbf RS |
2264 | |
2265 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_opendir_continue_internal, nfsdir, free, 0) != 0) { | |
cbbf9d3e RS |
2266 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
2267 | return -1; | |
84004dbf RS |
2268 | } |
2269 | ||
2270 | return 0; | |
2271 | } | |
2272 | ||
2273 | ||
2274 | struct nfsdirent *nfs_readdir(struct nfs_context *nfs _U_, struct nfsdir *nfsdir) | |
2275 | { | |
2276 | struct nfsdirent *nfsdirent = nfsdir->current; | |
2277 | ||
2278 | if (nfsdir->current != NULL) { | |
2279 | nfsdir->current = nfsdir->current->next; | |
2280 | } | |
2281 | return nfsdirent; | |
2282 | } | |
2283 | ||
2284 | ||
2285 | void nfs_closedir(struct nfs_context *nfs _U_, struct nfsdir *nfsdir) | |
2286 | { | |
2287 | nfs_free_nfsdir(nfsdir); | |
2288 | } | |
2289 | ||
2290 | ||
2291 | ||
2292 | ||
2293 | ||
2294 | ||
2295 | ||
2296 | /* | |
2297 | * Async lseek() | |
2298 | */ | |
2299 | struct lseek_cb_data { | |
2300 | struct nfs_context *nfs; | |
2301 | struct nfsfh *nfsfh; | |
183451cf | 2302 | uint64_t offset; |
84004dbf RS |
2303 | nfs_cb cb; |
2304 | void *private_data; | |
2305 | }; | |
2306 | ||
4a2b0876 | 2307 | static void nfs_lseek_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
2308 | { |
2309 | GETATTR3res *res; | |
2310 | struct lseek_cb_data *data = private_data; | |
2311 | struct nfs_context *nfs = data->nfs; | |
2312 | ||
4a2b0876 RS |
2313 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
2314 | ||
84004dbf RS |
2315 | if (status == RPC_STATUS_ERROR) { |
2316 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2317 | free(data); | |
2318 | return; | |
2319 | } | |
2320 | if (status == RPC_STATUS_CANCEL) { | |
2321 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2322 | free(data); | |
2323 | return; | |
2324 | } | |
2325 | ||
2326 | res = command_data; | |
2327 | if (res->status != NFS3_OK) { | |
2328 | rpc_set_error(nfs->rpc, "NFS: GETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
2329 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2330 | free(data); | |
2331 | return; | |
2332 | } | |
2333 | ||
2334 | data->nfsfh->offset = data->offset + res->GETATTR3res_u.resok.obj_attributes.size; | |
2335 | data->cb(0, nfs, &data->nfsfh->offset, data->private_data); | |
2336 | free(data); | |
2337 | } | |
2338 | ||
183451cf | 2339 | int nfs_lseek_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t offset, int whence, nfs_cb cb, void *private_data) |
84004dbf RS |
2340 | { |
2341 | struct lseek_cb_data *data; | |
2342 | ||
2343 | if (whence == SEEK_SET) { | |
2344 | nfsfh->offset = offset; | |
2345 | cb(0, nfs, &nfsfh->offset, private_data); | |
2346 | return 0; | |
2347 | } | |
2348 | if (whence == SEEK_CUR) { | |
2349 | nfsfh->offset += offset; | |
2350 | cb(0, nfs, &nfsfh->offset, private_data); | |
2351 | return 0; | |
2352 | } | |
2353 | ||
2354 | data = malloc(sizeof(struct lseek_cb_data)); | |
2355 | if (data == NULL) { | |
2356 | rpc_set_error(nfs->rpc, "Out Of Memory: Failed to malloc lseek cb data"); | |
2357 | return -1; | |
2358 | } | |
2359 | ||
2360 | data->nfs = nfs; | |
2361 | data->nfsfh = nfsfh; | |
2362 | data->offset = offset; | |
2363 | data->cb = cb; | |
2364 | data->private_data = private_data; | |
2365 | ||
2366 | if (rpc_nfs_getattr_async(nfs->rpc, nfs_lseek_1_cb, &nfsfh->fh, data) != 0) { | |
2367 | rpc_set_error(nfs->rpc, "RPC error: Failed to send LSEEK GETATTR call"); | |
2368 | free(data); | |
cbbf9d3e | 2369 | return -1; |
84004dbf RS |
2370 | } |
2371 | return 0; | |
2372 | } | |
2373 | ||
2374 | ||
2375 | ||
2376 | ||
2377 | /* | |
2378 | * Async statvfs() | |
2379 | */ | |
4a2b0876 | 2380 | static void nfs_statvfs_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
2381 | { |
2382 | FSSTAT3res *res; | |
2383 | struct nfs_cb_data *data = private_data; | |
2384 | struct nfs_context *nfs = data->nfs; | |
2385 | struct statvfs svfs; | |
2386 | ||
4a2b0876 RS |
2387 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
2388 | ||
84004dbf RS |
2389 | if (status == RPC_STATUS_ERROR) { |
2390 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2391 | free_nfs_cb_data(data); | |
2392 | return; | |
2393 | } | |
2394 | if (status == RPC_STATUS_CANCEL) { | |
2395 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2396 | free_nfs_cb_data(data); | |
2397 | return; | |
2398 | } | |
2399 | ||
2400 | res = command_data; | |
2401 | if (res->status != NFS3_OK) { | |
2402 | 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)); | |
2403 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2404 | free_nfs_cb_data(data); | |
2405 | return; | |
2406 | } | |
2407 | ||
2408 | svfs.f_bsize = 4096; | |
2409 | svfs.f_frsize = 4096; | |
2410 | svfs.f_blocks = res->FSSTAT3res_u.resok.tbytes/4096; | |
2411 | svfs.f_bfree = res->FSSTAT3res_u.resok.fbytes/4096; | |
2412 | svfs.f_bavail = res->FSSTAT3res_u.resok.abytes/4096; | |
2413 | svfs.f_files = res->FSSTAT3res_u.resok.tfiles; | |
2414 | svfs.f_ffree = res->FSSTAT3res_u.resok.ffiles; | |
2415 | svfs.f_favail = res->FSSTAT3res_u.resok.afiles; | |
2416 | svfs.f_fsid = 0; | |
2417 | svfs.f_flag = 0; | |
2418 | svfs.f_namemax = 256; | |
2419 | ||
2420 | data->cb(0, nfs, &svfs, data->private_data); | |
2421 | free_nfs_cb_data(data); | |
2422 | } | |
2423 | ||
2424 | static int nfs_statvfs_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
2425 | { | |
2426 | if (rpc_nfs_fsstat_async(nfs->rpc, nfs_statvfs_1_cb, &data->fh, data) != 0) { | |
2427 | rpc_set_error(nfs->rpc, "RPC error: Failed to send FSSTAT call for %s", data->path); | |
2428 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2429 | free_nfs_cb_data(data); | |
2430 | return -1; | |
2431 | } | |
2432 | return 0; | |
2433 | } | |
2434 | ||
2435 | int nfs_statvfs_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
2436 | { | |
2437 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_statvfs_continue_internal, NULL, NULL, 0) != 0) { | |
cbbf9d3e | 2438 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
2439 | return -1; |
2440 | } | |
2441 | ||
2442 | return 0; | |
2443 | } | |
2444 | ||
2445 | ||
2446 | ||
2447 | ||
2448 | /* | |
2449 | * Async readlink() | |
2450 | */ | |
4a2b0876 | 2451 | static void nfs_readlink_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
2452 | { |
2453 | READLINK3res *res; | |
2454 | struct nfs_cb_data *data = private_data; | |
2455 | struct nfs_context *nfs = data->nfs; | |
2456 | ||
4a2b0876 RS |
2457 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
2458 | ||
84004dbf RS |
2459 | if (status == RPC_STATUS_ERROR) { |
2460 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2461 | free_nfs_cb_data(data); | |
2462 | return; | |
2463 | } | |
2464 | if (status == RPC_STATUS_CANCEL) { | |
2465 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2466 | free_nfs_cb_data(data); | |
2467 | return; | |
2468 | } | |
2469 | ||
2470 | res = command_data; | |
2471 | if (res->status != NFS3_OK) { | |
2472 | 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)); | |
2473 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2474 | free_nfs_cb_data(data); | |
2475 | return; | |
2476 | } | |
2477 | ||
2478 | ||
2479 | data->cb(0, nfs, res->READLINK3res_u.resok.data, data->private_data); | |
2480 | free_nfs_cb_data(data); | |
2481 | } | |
2482 | ||
2483 | static int nfs_readlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
2484 | { | |
16104b27 RS |
2485 | READLINK3args args; |
2486 | ||
2487 | args.symlink.data.data_len = data->fh.data.data_len; | |
2488 | args.symlink.data.data_val = data->fh.data.data_val; | |
2489 | ||
2490 | if (rpc_nfs_readlink_async(nfs->rpc, nfs_readlink_1_cb, &args, data) != 0) { | |
84004dbf RS |
2491 | rpc_set_error(nfs->rpc, "RPC error: Failed to send READLINK call for %s", data->path); |
2492 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2493 | free_nfs_cb_data(data); | |
2494 | return -1; | |
2495 | } | |
2496 | return 0; | |
2497 | } | |
2498 | ||
2499 | int nfs_readlink_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data) | |
2500 | { | |
2501 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_readlink_continue_internal, NULL, NULL, 0) != 0) { | |
cbbf9d3e | 2502 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
2503 | return -1; |
2504 | } | |
2505 | ||
2506 | return 0; | |
2507 | } | |
2508 | ||
2509 | ||
2510 | ||
2511 | ||
2512 | /* | |
2513 | * Async chmod() | |
2514 | */ | |
4a2b0876 | 2515 | static void nfs_chmod_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
2516 | { |
2517 | struct nfs_cb_data *data = private_data; | |
2518 | struct nfs_context *nfs = data->nfs; | |
2519 | SETATTR3res *res; | |
2520 | ||
4a2b0876 RS |
2521 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
2522 | ||
84004dbf RS |
2523 | if (status == RPC_STATUS_ERROR) { |
2524 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2525 | free_nfs_cb_data(data); | |
2526 | return; | |
2527 | } | |
2528 | if (status == RPC_STATUS_CANCEL) { | |
2529 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2530 | free_nfs_cb_data(data); | |
2531 | return; | |
2532 | } | |
2533 | ||
2534 | res = command_data; | |
2535 | if (res->status != NFS3_OK) { | |
2536 | rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
2537 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2538 | free_nfs_cb_data(data); | |
2539 | return; | |
2540 | } | |
2541 | ||
2542 | data->cb(0, nfs, NULL, data->private_data); | |
2543 | free_nfs_cb_data(data); | |
2544 | } | |
2545 | ||
2546 | static int nfs_chmod_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
2547 | { | |
2548 | SETATTR3args args; | |
2549 | ||
ea98629a | 2550 | memset(&args, 0, sizeof(SETATTR3args)); |
84004dbf RS |
2551 | args.object.data.data_len = data->fh.data.data_len; |
2552 | args.object.data.data_val = data->fh.data.data_val; | |
2553 | args.new_attributes.mode.set_it = 1; | |
2554 | args.new_attributes.mode.set_mode3_u.mode = data->continue_int; | |
2555 | ||
2556 | if (rpc_nfs_setattr_async(nfs->rpc, nfs_chmod_cb, &args, data) != 0) { | |
2557 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path); | |
2558 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2559 | free_nfs_cb_data(data); | |
2560 | return -1; | |
2561 | } | |
2562 | return 0; | |
2563 | } | |
2564 | ||
2565 | ||
2566 | int nfs_chmod_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data) | |
2567 | { | |
2568 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_chmod_continue_internal, NULL, NULL, mode) != 0) { | |
cbbf9d3e | 2569 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
2570 | return -1; |
2571 | } | |
2572 | ||
2573 | return 0; | |
2574 | } | |
2575 | ||
2576 | /* | |
2577 | * Async fchmod() | |
2578 | */ | |
2579 | int nfs_fchmod_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int mode, nfs_cb cb, void *private_data) | |
2580 | { | |
2581 | struct nfs_cb_data *data; | |
2582 | ||
2583 | data = malloc(sizeof(struct nfs_cb_data)); | |
2584 | if (data == NULL) { | |
cbbf9d3e | 2585 | rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for nfs mount data"); |
84004dbf RS |
2586 | return -1; |
2587 | } | |
ea98629a | 2588 | memset(data, 0, sizeof(struct nfs_cb_data)); |
84004dbf RS |
2589 | data->nfs = nfs; |
2590 | data->cb = cb; | |
2591 | data->private_data = private_data; | |
2592 | data->continue_int = mode; | |
2593 | data->fh.data.data_len = nfsfh->fh.data.data_len; | |
2594 | data->fh.data.data_val = malloc(data->fh.data.data_len); | |
2595 | if (data->fh.data.data_val == NULL) { | |
2596 | rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh"); | |
2597 | free_nfs_cb_data(data); | |
2598 | return -1; | |
2599 | } | |
2600 | memcpy(data->fh.data.data_val, nfsfh->fh.data.data_val, data->fh.data.data_len); | |
2601 | ||
2602 | if (nfs_chmod_continue_internal(nfs, data) != 0) { | |
2603 | free_nfs_cb_data(data); | |
2604 | return -1; | |
2605 | } | |
2606 | ||
2607 | return 0; | |
2608 | } | |
2609 | ||
2610 | ||
2611 | ||
2612 | /* | |
2613 | * Async chown() | |
2614 | */ | |
4a2b0876 | 2615 | static void nfs_chown_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
2616 | { |
2617 | struct nfs_cb_data *data = private_data; | |
2618 | struct nfs_context *nfs = data->nfs; | |
2619 | SETATTR3res *res; | |
2620 | ||
4a2b0876 RS |
2621 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
2622 | ||
84004dbf RS |
2623 | if (status == RPC_STATUS_ERROR) { |
2624 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2625 | free_nfs_cb_data(data); | |
2626 | return; | |
2627 | } | |
2628 | if (status == RPC_STATUS_CANCEL) { | |
2629 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2630 | free_nfs_cb_data(data); | |
2631 | return; | |
2632 | } | |
2633 | ||
2634 | res = command_data; | |
2635 | if (res->status != NFS3_OK) { | |
2636 | rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
2637 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2638 | free_nfs_cb_data(data); | |
2639 | return; | |
2640 | } | |
2641 | ||
2642 | data->cb(0, nfs, NULL, data->private_data); | |
2643 | free_nfs_cb_data(data); | |
2644 | } | |
2645 | ||
2646 | struct nfs_chown_data { | |
2647 | uid_t uid; | |
2648 | gid_t gid; | |
2649 | }; | |
2650 | ||
2651 | static int nfs_chown_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
2652 | { | |
2653 | SETATTR3args args; | |
2654 | struct nfs_chown_data *chown_data = data->continue_data; | |
2655 | ||
ea98629a | 2656 | memset(&args, 0, sizeof(SETATTR3args)); |
84004dbf RS |
2657 | args.object.data.data_len = data->fh.data.data_len; |
2658 | args.object.data.data_val = data->fh.data.data_val; | |
2659 | if (chown_data->uid != (uid_t)-1) { | |
2660 | args.new_attributes.uid.set_it = 1; | |
2661 | args.new_attributes.uid.set_uid3_u.uid = chown_data->uid; | |
2662 | } | |
2663 | if (chown_data->gid != (gid_t)-1) { | |
2664 | args.new_attributes.gid.set_it = 1; | |
2665 | args.new_attributes.gid.set_gid3_u.gid = chown_data->gid; | |
2666 | } | |
2667 | ||
2668 | if (rpc_nfs_setattr_async(nfs->rpc, nfs_chown_cb, &args, data) != 0) { | |
2669 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path); | |
2670 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2671 | free_nfs_cb_data(data); | |
2672 | return -1; | |
2673 | } | |
2674 | return 0; | |
2675 | } | |
2676 | ||
2677 | ||
2678 | int nfs_chown_async(struct nfs_context *nfs, const char *path, int uid, int gid, nfs_cb cb, void *private_data) | |
2679 | { | |
2680 | struct nfs_chown_data *chown_data; | |
2681 | ||
2682 | chown_data = malloc(sizeof(struct nfs_chown_data)); | |
2683 | if (chown_data == NULL) { | |
cbbf9d3e | 2684 | rpc_set_error(nfs->rpc, "Failed to allocate memory for chown data structure"); |
84004dbf RS |
2685 | return -1; |
2686 | } | |
2687 | ||
2688 | chown_data->uid = uid; | |
2689 | chown_data->gid = gid; | |
2690 | ||
2691 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_chown_continue_internal, chown_data, free, 0) != 0) { | |
cbbf9d3e | 2692 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
2693 | return -1; |
2694 | } | |
2695 | ||
2696 | return 0; | |
2697 | } | |
2698 | ||
2699 | ||
2700 | /* | |
2701 | * Async fchown() | |
2702 | */ | |
2703 | int nfs_fchown_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int uid, int gid, nfs_cb cb, void *private_data) | |
2704 | { | |
2705 | struct nfs_cb_data *data; | |
2706 | struct nfs_chown_data *chown_data; | |
2707 | ||
2708 | chown_data = malloc(sizeof(struct nfs_chown_data)); | |
2709 | if (chown_data == NULL) { | |
cbbf9d3e | 2710 | rpc_set_error(nfs->rpc, "Failed to allocate memory for chown data structure"); |
84004dbf RS |
2711 | return -1; |
2712 | } | |
2713 | ||
2714 | chown_data->uid = uid; | |
2715 | chown_data->gid = gid; | |
2716 | ||
2717 | ||
2718 | data = malloc(sizeof(struct nfs_cb_data)); | |
2719 | if (data == NULL) { | |
cbbf9d3e | 2720 | rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for fchown data"); |
84004dbf RS |
2721 | return -1; |
2722 | } | |
ea98629a | 2723 | memset(data, 0, sizeof(struct nfs_cb_data)); |
84004dbf RS |
2724 | data->nfs = nfs; |
2725 | data->cb = cb; | |
2726 | data->private_data = private_data; | |
2727 | data->continue_data = chown_data; | |
2728 | data->fh.data.data_len = nfsfh->fh.data.data_len; | |
2729 | data->fh.data.data_val = malloc(data->fh.data.data_len); | |
2730 | if (data->fh.data.data_val == NULL) { | |
2731 | rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh"); | |
2732 | free_nfs_cb_data(data); | |
2733 | return -1; | |
2734 | } | |
2735 | memcpy(data->fh.data.data_val, nfsfh->fh.data.data_val, data->fh.data.data_len); | |
2736 | ||
2737 | ||
2738 | if (nfs_chown_continue_internal(nfs, data) != 0) { | |
2739 | free_nfs_cb_data(data); | |
2740 | return -1; | |
2741 | } | |
2742 | ||
2743 | return 0; | |
2744 | } | |
2745 | ||
2746 | ||
2747 | ||
2748 | ||
2749 | ||
2750 | /* | |
2751 | * Async utimes() | |
2752 | */ | |
4a2b0876 | 2753 | static void nfs_utimes_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
2754 | { |
2755 | struct nfs_cb_data *data = private_data; | |
2756 | struct nfs_context *nfs = data->nfs; | |
2757 | SETATTR3res *res; | |
2758 | ||
4a2b0876 RS |
2759 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
2760 | ||
84004dbf RS |
2761 | if (status == RPC_STATUS_ERROR) { |
2762 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2763 | free_nfs_cb_data(data); | |
2764 | return; | |
2765 | } | |
2766 | if (status == RPC_STATUS_CANCEL) { | |
2767 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2768 | free_nfs_cb_data(data); | |
2769 | return; | |
2770 | } | |
2771 | ||
2772 | res = command_data; | |
2773 | if (res->status != NFS3_OK) { | |
2774 | rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status)); | |
2775 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2776 | free_nfs_cb_data(data); | |
2777 | return; | |
2778 | } | |
2779 | ||
2780 | data->cb(0, nfs, NULL, data->private_data); | |
2781 | free_nfs_cb_data(data); | |
2782 | } | |
2783 | ||
2784 | static int nfs_utimes_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
2785 | { | |
2786 | SETATTR3args args; | |
2787 | struct timeval *utimes_data = data->continue_data; | |
2788 | ||
ea98629a | 2789 | memset(&args, 0, sizeof(SETATTR3args)); |
84004dbf RS |
2790 | args.object.data.data_len = data->fh.data.data_len; |
2791 | args.object.data.data_val = data->fh.data.data_val; | |
2792 | if (utimes_data != NULL) { | |
2793 | args.new_attributes.atime.set_it = SET_TO_CLIENT_TIME; | |
2794 | args.new_attributes.atime.set_atime_u.atime.seconds = utimes_data[0].tv_sec; | |
2795 | args.new_attributes.atime.set_atime_u.atime.nseconds = utimes_data[0].tv_usec * 1000; | |
2796 | args.new_attributes.mtime.set_it = SET_TO_CLIENT_TIME; | |
2797 | args.new_attributes.mtime.set_mtime_u.mtime.seconds = utimes_data[1].tv_sec; | |
2798 | args.new_attributes.mtime.set_mtime_u.mtime.nseconds = utimes_data[1].tv_usec * 1000; | |
2799 | } else { | |
2800 | args.new_attributes.atime.set_it = SET_TO_SERVER_TIME; | |
2801 | args.new_attributes.mtime.set_it = SET_TO_SERVER_TIME; | |
2802 | } | |
2803 | ||
2804 | if (rpc_nfs_setattr_async(nfs->rpc, nfs_utimes_cb, &args, data) != 0) { | |
2805 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path); | |
2806 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2807 | free_nfs_cb_data(data); | |
2808 | return -1; | |
2809 | } | |
2810 | return 0; | |
2811 | } | |
2812 | ||
2813 | ||
2814 | int nfs_utimes_async(struct nfs_context *nfs, const char *path, struct timeval *times, nfs_cb cb, void *private_data) | |
2815 | { | |
2816 | struct timeval *new_times = NULL; | |
2817 | ||
2818 | if (times != NULL) { | |
2819 | new_times = malloc(sizeof(struct timeval)*2); | |
2820 | if (new_times == NULL) { | |
cbbf9d3e | 2821 | rpc_set_error(nfs->rpc, "Failed to allocate memory for timeval structure"); |
84004dbf RS |
2822 | return -1; |
2823 | } | |
2824 | ||
2825 | memcpy(new_times, times, sizeof(struct timeval)*2); | |
2826 | } | |
2827 | ||
2828 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_utimes_continue_internal, new_times, free, 0) != 0) { | |
cbbf9d3e | 2829 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
2830 | return -1; |
2831 | } | |
2832 | ||
2833 | return 0; | |
2834 | } | |
2835 | ||
2836 | /* | |
2837 | * Async utime() | |
2838 | */ | |
2839 | int nfs_utime_async(struct nfs_context *nfs, const char *path, struct utimbuf *times, nfs_cb cb, void *private_data) | |
2840 | { | |
2841 | struct timeval *new_times = NULL; | |
2842 | ||
2843 | if (times != NULL) { | |
2844 | new_times = malloc(sizeof(struct timeval)*2); | |
2845 | if (new_times == NULL) { | |
cbbf9d3e | 2846 | rpc_set_error(nfs->rpc, "Failed to allocate memory for timeval structure"); |
84004dbf RS |
2847 | return -1; |
2848 | } | |
2849 | ||
2850 | new_times[0].tv_sec = times->actime; | |
2851 | new_times[0].tv_usec = 0; | |
2852 | new_times[1].tv_sec = times->modtime; | |
2853 | new_times[1].tv_usec = 0; | |
2854 | } | |
2855 | ||
2856 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_utimes_continue_internal, new_times, free, 0) != 0) { | |
cbbf9d3e | 2857 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
84004dbf RS |
2858 | return -1; |
2859 | } | |
2860 | ||
2861 | return 0; | |
2862 | } | |
2863 | ||
2864 | ||
2865 | ||
2866 | ||
2867 | ||
2868 | /* | |
2869 | * Async access() | |
2870 | */ | |
4a2b0876 | 2871 | static void nfs_access_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
2872 | { |
2873 | ACCESS3res *res; | |
2874 | struct nfs_cb_data *data = private_data; | |
2875 | struct nfs_context *nfs = data->nfs; | |
2876 | unsigned int nfsmode = 0; | |
2877 | ||
4a2b0876 RS |
2878 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
2879 | ||
84004dbf RS |
2880 | if (status == RPC_STATUS_ERROR) { |
2881 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2882 | free_nfs_cb_data(data); | |
2883 | return; | |
2884 | } | |
2885 | if (status == RPC_STATUS_CANCEL) { | |
2886 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
2887 | free_nfs_cb_data(data); | |
2888 | return; | |
2889 | } | |
2890 | ||
2891 | res = command_data; | |
2892 | if (res->status != NFS3_OK) { | |
2893 | 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)); | |
2894 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2895 | free_nfs_cb_data(data); | |
2896 | return; | |
2897 | } | |
2898 | ||
2899 | if (data->continue_int & R_OK) { | |
2900 | nfsmode |= ACCESS3_READ; | |
2901 | } | |
2902 | if (data->continue_int & W_OK) { | |
2903 | nfsmode |= ACCESS3_MODIFY; | |
2904 | } | |
2905 | if (data->continue_int & X_OK) { | |
2906 | nfsmode |= ACCESS3_EXECUTE; | |
2907 | } | |
2908 | ||
2909 | if (res->ACCESS3res_u.resok.access != nfsmode) { | |
2910 | rpc_set_error(nfs->rpc, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c", | |
2911 | nfsmode&ACCESS3_READ?'r':'-', | |
2912 | nfsmode&ACCESS3_MODIFY?'w':'-', | |
2913 | nfsmode&ACCESS3_EXECUTE?'x':'-', | |
2914 | res->ACCESS3res_u.resok.access&ACCESS3_READ?'r':'-', | |
2915 | res->ACCESS3res_u.resok.access&ACCESS3_MODIFY?'w':'-', | |
2916 | res->ACCESS3res_u.resok.access&ACCESS3_EXECUTE?'x':'-'); | |
2917 | data->cb(-EACCES, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2918 | free_nfs_cb_data(data); | |
2919 | return; | |
2920 | } | |
2921 | ||
2922 | data->cb(0, nfs, NULL, data->private_data); | |
2923 | free_nfs_cb_data(data); | |
2924 | } | |
2925 | ||
2926 | static int nfs_access_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
2927 | { | |
2928 | int nfsmode = 0; | |
2929 | ||
2930 | if (data->continue_int & R_OK) { | |
2931 | nfsmode |= ACCESS3_READ; | |
2932 | } | |
2933 | if (data->continue_int & W_OK) { | |
2934 | nfsmode |= ACCESS3_MODIFY; | |
2935 | } | |
2936 | if (data->continue_int & X_OK) { | |
2937 | nfsmode |= ACCESS3_EXECUTE; | |
2938 | } | |
2939 | ||
2940 | if (rpc_nfs_access_async(nfs->rpc, nfs_access_cb, &data->fh, nfsmode, data) != 0) { | |
2941 | rpc_set_error(nfs->rpc, "RPC error: Failed to send OPEN ACCESS call for %s", data->path); | |
2942 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
2943 | free_nfs_cb_data(data); | |
2944 | return -1; | |
2945 | } | |
2946 | return 0; | |
2947 | } | |
2948 | ||
2949 | int nfs_access_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data) | |
2950 | { | |
2951 | if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_access_continue_internal, NULL, NULL, mode) != 0) { | |
cbbf9d3e RS |
2952 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
2953 | return -1; | |
84004dbf RS |
2954 | } |
2955 | ||
2956 | return 0; | |
2957 | } | |
2958 | ||
2959 | ||
2960 | ||
2961 | /* | |
2962 | * Async symlink() | |
2963 | */ | |
2964 | struct nfs_symlink_data { | |
2965 | char *oldpath; | |
2966 | char *newpathparent; | |
2967 | char *newpathobject; | |
2968 | }; | |
2969 | ||
2970 | static void free_nfs_symlink_data(void *mem) | |
2971 | { | |
2972 | struct nfs_symlink_data *data = mem; | |
2973 | ||
2974 | if (data->oldpath != NULL) { | |
2975 | free(data->oldpath); | |
2976 | } | |
2977 | if (data->newpathparent != NULL) { | |
2978 | free(data->newpathparent); | |
2979 | } | |
2980 | if (data->newpathobject != NULL) { | |
2981 | free(data->newpathobject); | |
2982 | } | |
2983 | free(data); | |
2984 | } | |
2985 | ||
4a2b0876 | 2986 | static void nfs_symlink_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
2987 | { |
2988 | SYMLINK3res *res; | |
2989 | struct nfs_cb_data *data = private_data; | |
2990 | struct nfs_context *nfs = data->nfs; | |
2991 | struct nfs_symlink_data *symlink_data = data->continue_data; | |
2992 | ||
4a2b0876 RS |
2993 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
2994 | ||
84004dbf RS |
2995 | if (status == RPC_STATUS_ERROR) { |
2996 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
2997 | free_nfs_cb_data(data); | |
2998 | return; | |
2999 | } | |
3000 | if (status == RPC_STATUS_CANCEL) { | |
3001 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
3002 | free_nfs_cb_data(data); | |
3003 | return; | |
3004 | } | |
3005 | ||
3006 | res = command_data; | |
3007 | if (res->status != NFS3_OK) { | |
3008 | 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)); | |
3009 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3010 | free_nfs_cb_data(data); | |
3011 | return; | |
3012 | } | |
3013 | ||
3014 | data->cb(0, nfs, NULL, data->private_data); | |
3015 | free_nfs_cb_data(data); | |
3016 | } | |
3017 | ||
3018 | static int nfs_symlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
3019 | { | |
3020 | struct nfs_symlink_data *symlink_data = data->continue_data; | |
8e255816 | 3021 | SYMLINK3args sa; |
84004dbf | 3022 | |
8e255816 RS |
3023 | memset(&sa, 0, sizeof(SYMLINK3args)); |
3024 | sa.where.dir.data.data_len = data->fh.data.data_len; | |
3025 | sa.where.dir.data.data_val = data->fh.data.data_val; | |
3026 | sa.where.name = symlink_data->newpathobject; | |
3027 | sa.symlink.symlink_attributes.mode.set_it = 1; | |
3028 | sa.symlink.symlink_attributes.mode.set_mode3_u.mode = S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IWGRP|S_IXGRP|S_IROTH|S_IWOTH|S_IXOTH; | |
3029 | sa.symlink.symlink_data = symlink_data->oldpath; | |
3030 | ||
3031 | if (rpc_nfs_symlink_async(nfs->rpc, nfs_symlink_cb, &sa, data) != 0) { | |
84004dbf RS |
3032 | rpc_set_error(nfs->rpc, "RPC error: Failed to send SYMLINK call for %s", data->path); |
3033 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3034 | free_nfs_cb_data(data); | |
3035 | return -1; | |
3036 | } | |
3037 | return 0; | |
3038 | } | |
3039 | ||
3040 | int nfs_symlink_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data) | |
3041 | { | |
3042 | char *ptr; | |
3043 | struct nfs_symlink_data *symlink_data; | |
3044 | ||
3045 | symlink_data = malloc(sizeof(struct nfs_symlink_data)); | |
3046 | if (symlink_data == NULL) { | |
cbbf9d3e | 3047 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for symlink data"); |
84004dbf RS |
3048 | return -1; |
3049 | } | |
ea98629a | 3050 | memset(symlink_data, 0, sizeof(struct nfs_symlink_data)); |
84004dbf RS |
3051 | |
3052 | symlink_data->oldpath = strdup(oldpath); | |
3053 | if (symlink_data->oldpath == NULL) { | |
cbbf9d3e | 3054 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath"); |
84004dbf | 3055 | free_nfs_symlink_data(symlink_data); |
cbbf9d3e | 3056 | return -1; |
84004dbf RS |
3057 | } |
3058 | ||
3059 | symlink_data->newpathparent = strdup(newpath); | |
3060 | if (symlink_data->newpathparent == NULL) { | |
cbbf9d3e | 3061 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for new path"); |
84004dbf | 3062 | free_nfs_symlink_data(symlink_data); |
cbbf9d3e | 3063 | return -1; |
84004dbf RS |
3064 | } |
3065 | ||
93e9306f | 3066 | ptr = strrchr(symlink_data->newpathparent, '/'); |
84004dbf | 3067 | if (ptr == NULL) { |
cbbf9d3e | 3068 | rpc_set_error(nfs->rpc, "Invalid path %s", oldpath); |
84004dbf | 3069 | free_nfs_symlink_data(symlink_data); |
cbbf9d3e | 3070 | return -1; |
84004dbf RS |
3071 | } |
3072 | *ptr = 0; | |
3073 | ptr++; | |
3074 | ||
3075 | symlink_data->newpathobject = strdup(ptr); | |
3076 | if (symlink_data->newpathobject == NULL) { | |
cbbf9d3e | 3077 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for new path"); |
84004dbf | 3078 | free_nfs_symlink_data(symlink_data); |
cbbf9d3e | 3079 | return -1; |
84004dbf RS |
3080 | } |
3081 | ||
3082 | 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 |
3083 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
3084 | return -1; | |
84004dbf RS |
3085 | } |
3086 | ||
3087 | return 0; | |
3088 | } | |
3089 | ||
3090 | ||
3091 | ||
3092 | /* | |
3093 | * Async rename() | |
3094 | */ | |
3095 | struct nfs_rename_data { | |
3096 | char *oldpath; | |
3097 | char *oldobject; | |
3098 | struct nfs_fh3 olddir; | |
3099 | char *newpath; | |
3100 | char *newobject; | |
3101 | struct nfs_fh3 newdir; | |
3102 | }; | |
3103 | ||
3104 | static void free_nfs_rename_data(void *mem) | |
3105 | { | |
3106 | struct nfs_rename_data *data = mem; | |
3107 | ||
3108 | if (data->oldpath != NULL) { | |
3109 | free(data->oldpath); | |
3110 | } | |
3111 | if (data->olddir.data.data_val != NULL) { | |
3112 | free(data->olddir.data.data_val); | |
3113 | } | |
3114 | if (data->newpath != NULL) { | |
3115 | free(data->newpath); | |
3116 | } | |
3117 | if (data->newdir.data.data_val != NULL) { | |
3118 | free(data->newdir.data.data_val); | |
3119 | } | |
3120 | free(data); | |
3121 | } | |
3122 | ||
4a2b0876 | 3123 | static void nfs_rename_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
3124 | { |
3125 | RENAME3res *res; | |
3126 | struct nfs_cb_data *data = private_data; | |
3127 | struct nfs_context *nfs = data->nfs; | |
3128 | struct nfs_rename_data *rename_data = data->continue_data; | |
3129 | ||
4a2b0876 RS |
3130 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3131 | ||
84004dbf RS |
3132 | if (status == RPC_STATUS_ERROR) { |
3133 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
3134 | free_nfs_cb_data(data); | |
3135 | return; | |
3136 | } | |
3137 | if (status == RPC_STATUS_CANCEL) { | |
3138 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
3139 | free_nfs_cb_data(data); | |
3140 | return; | |
3141 | } | |
3142 | ||
3143 | res = command_data; | |
3144 | if (res->status != NFS3_OK) { | |
3145 | 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)); | |
3146 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3147 | free_nfs_cb_data(data); | |
3148 | return; | |
3149 | } | |
3150 | ||
3151 | data->cb(0, nfs, NULL, data->private_data); | |
3152 | free_nfs_cb_data(data); | |
3153 | } | |
3154 | ||
3155 | static int nfs_rename_continue_2_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
3156 | { | |
3157 | struct nfs_rename_data *rename_data = data->continue_data; | |
3158 | ||
3159 | /* steal the filehandle */ | |
3160 | rename_data->newdir.data.data_len = data->fh.data.data_len; | |
3161 | rename_data->newdir.data.data_val = data->fh.data.data_val; | |
3162 | data->fh.data.data_val = NULL; | |
3163 | ||
3164 | if (rpc_nfs_rename_async(nfs->rpc, nfs_rename_cb, &rename_data->olddir, rename_data->oldobject, &rename_data->newdir, rename_data->newobject, data) != 0) { | |
3165 | rpc_set_error(nfs->rpc, "RPC error: Failed to send RENAME call for %s", data->path); | |
3166 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3167 | free_nfs_cb_data(data); | |
3168 | return -1; | |
3169 | } | |
3170 | return 0; | |
3171 | } | |
3172 | ||
3173 | ||
3174 | static int nfs_rename_continue_1_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
3175 | { | |
3176 | struct nfs_rename_data *rename_data = data->continue_data; | |
3177 | ||
3178 | /* steal the filehandle */ | |
3179 | rename_data->olddir.data.data_len = data->fh.data.data_len; | |
3180 | rename_data->olddir.data.data_val = data->fh.data.data_val; | |
3181 | data->fh.data.data_val = NULL; | |
3182 | ||
3183 | 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) { | |
3184 | rpc_set_error(nfs->rpc, "RPC error: Failed to send LOOKUP call for %s", rename_data->newpath); | |
3185 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3186 | free_nfs_cb_data(data); | |
3187 | return -1; | |
3188 | } | |
3189 | data->continue_data = NULL; | |
3190 | free_nfs_cb_data(data); | |
3191 | ||
3192 | return 0; | |
3193 | } | |
3194 | ||
3195 | ||
3196 | int nfs_rename_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data) | |
3197 | { | |
3198 | char *ptr; | |
3199 | struct nfs_rename_data *rename_data; | |
3200 | ||
3201 | rename_data = malloc(sizeof(struct nfs_rename_data)); | |
3202 | if (rename_data == NULL) { | |
cbbf9d3e | 3203 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for rename data"); |
84004dbf RS |
3204 | return -1; |
3205 | } | |
ea98629a | 3206 | memset(rename_data, 0, sizeof(struct nfs_rename_data)); |
84004dbf RS |
3207 | |
3208 | rename_data->oldpath = strdup(oldpath); | |
3209 | if (rename_data->oldpath == NULL) { | |
cbbf9d3e | 3210 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath"); |
84004dbf | 3211 | free_nfs_rename_data(rename_data); |
cbbf9d3e | 3212 | return -1; |
84004dbf | 3213 | } |
93e9306f | 3214 | ptr = strrchr(rename_data->oldpath, '/'); |
84004dbf | 3215 | if (ptr == NULL) { |
cbbf9d3e | 3216 | rpc_set_error(nfs->rpc, "Invalid path %s", oldpath); |
84004dbf | 3217 | free_nfs_rename_data(rename_data); |
cbbf9d3e | 3218 | return -1; |
84004dbf RS |
3219 | } |
3220 | *ptr = 0; | |
3221 | ptr++; | |
3222 | rename_data->oldobject = ptr; | |
3223 | ||
3224 | ||
3225 | rename_data->newpath = strdup(newpath); | |
3226 | if (rename_data->newpath == NULL) { | |
cbbf9d3e | 3227 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for newpath"); |
84004dbf | 3228 | free_nfs_rename_data(rename_data); |
cbbf9d3e | 3229 | return -1; |
84004dbf | 3230 | } |
93e9306f | 3231 | ptr = strrchr(rename_data->newpath, '/'); |
84004dbf | 3232 | if (ptr == NULL) { |
cbbf9d3e | 3233 | rpc_set_error(nfs->rpc, "Invalid path %s", newpath); |
84004dbf | 3234 | free_nfs_rename_data(rename_data); |
cbbf9d3e | 3235 | return -1; |
84004dbf RS |
3236 | } |
3237 | *ptr = 0; | |
3238 | ptr++; | |
3239 | rename_data->newobject = ptr; | |
3240 | ||
3241 | ||
3242 | 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 |
3243 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
3244 | return -1; | |
84004dbf RS |
3245 | } |
3246 | ||
3247 | return 0; | |
3248 | } | |
3249 | ||
3250 | ||
3251 | /* | |
3252 | * Async link() | |
3253 | */ | |
3254 | struct nfs_link_data { | |
3255 | char *oldpath; | |
3256 | struct nfs_fh3 oldfh; | |
3257 | char *newpath; | |
3258 | char *newobject; | |
3259 | struct nfs_fh3 newdir; | |
3260 | }; | |
3261 | ||
3262 | static void free_nfs_link_data(void *mem) | |
3263 | { | |
3264 | struct nfs_link_data *data = mem; | |
3265 | ||
3266 | if (data->oldpath != NULL) { | |
3267 | free(data->oldpath); | |
3268 | } | |
3269 | if (data->oldfh.data.data_val != NULL) { | |
3270 | free(data->oldfh.data.data_val); | |
3271 | } | |
3272 | if (data->newpath != NULL) { | |
3273 | free(data->newpath); | |
3274 | } | |
3275 | if (data->newdir.data.data_val != NULL) { | |
3276 | free(data->newdir.data.data_val); | |
3277 | } | |
3278 | free(data); | |
3279 | } | |
3280 | ||
4a2b0876 | 3281 | static void nfs_link_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) |
84004dbf RS |
3282 | { |
3283 | LINK3res *res; | |
3284 | struct nfs_cb_data *data = private_data; | |
3285 | struct nfs_context *nfs = data->nfs; | |
3286 | struct nfs_link_data *link_data = data->continue_data; | |
3287 | ||
4a2b0876 RS |
3288 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3289 | ||
84004dbf RS |
3290 | if (status == RPC_STATUS_ERROR) { |
3291 | data->cb(-EFAULT, nfs, command_data, data->private_data); | |
3292 | free_nfs_cb_data(data); | |
3293 | return; | |
3294 | } | |
3295 | if (status == RPC_STATUS_CANCEL) { | |
3296 | data->cb(-EINTR, nfs, "Command was cancelled", data->private_data); | |
3297 | free_nfs_cb_data(data); | |
3298 | return; | |
3299 | } | |
3300 | ||
3301 | res = command_data; | |
3302 | if (res->status != NFS3_OK) { | |
3303 | 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)); | |
3304 | data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3305 | free_nfs_cb_data(data); | |
3306 | return; | |
3307 | } | |
3308 | ||
3309 | data->cb(0, nfs, NULL, data->private_data); | |
3310 | free_nfs_cb_data(data); | |
3311 | } | |
3312 | ||
3313 | static int nfs_link_continue_2_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
3314 | { | |
3315 | struct nfs_link_data *link_data = data->continue_data; | |
3316 | ||
3317 | /* steal the filehandle */ | |
3318 | link_data->newdir.data.data_len = data->fh.data.data_len; | |
3319 | link_data->newdir.data.data_val = data->fh.data.data_val; | |
3320 | data->fh.data.data_val = NULL; | |
3321 | ||
3322 | if (rpc_nfs_link_async(nfs->rpc, nfs_link_cb, &link_data->oldfh, &link_data->newdir, link_data->newobject, data) != 0) { | |
3323 | rpc_set_error(nfs->rpc, "RPC error: Failed to send LINK call for %s", data->path); | |
3324 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3325 | free_nfs_cb_data(data); | |
3326 | return -1; | |
3327 | } | |
3328 | return 0; | |
3329 | } | |
3330 | ||
3331 | ||
3332 | static int nfs_link_continue_1_internal(struct nfs_context *nfs, struct nfs_cb_data *data) | |
3333 | { | |
3334 | struct nfs_link_data *link_data = data->continue_data; | |
3335 | ||
3336 | /* steal the filehandle */ | |
3337 | link_data->oldfh.data.data_len = data->fh.data.data_len; | |
3338 | link_data->oldfh.data.data_val = data->fh.data.data_val; | |
3339 | data->fh.data.data_val = NULL; | |
3340 | ||
3341 | 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) { | |
3342 | rpc_set_error(nfs->rpc, "RPC error: Failed to send LOOKUP call for %s", link_data->newpath); | |
3343 | data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data); | |
3344 | free_nfs_cb_data(data); | |
3345 | return -1; | |
3346 | } | |
3347 | data->continue_data = NULL; | |
3348 | free_nfs_cb_data(data); | |
3349 | ||
3350 | return 0; | |
3351 | } | |
3352 | ||
3353 | ||
3354 | int nfs_link_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data) | |
3355 | { | |
3356 | char *ptr; | |
3357 | struct nfs_link_data *link_data; | |
3358 | ||
3359 | link_data = malloc(sizeof(struct nfs_link_data)); | |
3360 | if (link_data == NULL) { | |
cbbf9d3e | 3361 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for link data"); |
84004dbf RS |
3362 | return -1; |
3363 | } | |
ea98629a | 3364 | memset(link_data, 0, sizeof(struct nfs_link_data)); |
84004dbf RS |
3365 | |
3366 | link_data->oldpath = strdup(oldpath); | |
3367 | if (link_data->oldpath == NULL) { | |
cbbf9d3e | 3368 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath"); |
84004dbf | 3369 | free_nfs_link_data(link_data); |
cbbf9d3e | 3370 | return -1; |
84004dbf RS |
3371 | } |
3372 | ||
3373 | link_data->newpath = strdup(newpath); | |
3374 | if (link_data->newpath == NULL) { | |
cbbf9d3e | 3375 | rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for newpath"); |
84004dbf | 3376 | free_nfs_link_data(link_data); |
cbbf9d3e | 3377 | return -1; |
84004dbf | 3378 | } |
93e9306f | 3379 | ptr = strrchr(link_data->newpath, '/'); |
84004dbf | 3380 | if (ptr == NULL) { |
cbbf9d3e | 3381 | rpc_set_error(nfs->rpc, "Invalid path %s", newpath); |
84004dbf | 3382 | free_nfs_link_data(link_data); |
cbbf9d3e | 3383 | return -1; |
84004dbf RS |
3384 | } |
3385 | *ptr = 0; | |
3386 | ptr++; | |
3387 | link_data->newobject = ptr; | |
3388 | ||
3389 | ||
3390 | 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 |
3391 | rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components"); |
3392 | return -1; | |
84004dbf RS |
3393 | } |
3394 | ||
3395 | return 0; | |
3396 | } | |
3397 | ||
3398 | ||
3399 | //qqq replace later with lseek() | |
183451cf | 3400 | uint64_t nfs_get_current_offset(struct nfsfh *nfsfh) |
84004dbf RS |
3401 | { |
3402 | return nfsfh->offset; | |
3403 | } | |
3404 | ||
17ef62fa RS |
3405 | |
3406 | ||
3407 | /* | |
3408 | * Get the maximum supported READ3 size by the server | |
3409 | */ | |
183451cf | 3410 | uint64_t nfs_get_readmax(struct nfs_context *nfs) |
17ef62fa RS |
3411 | { |
3412 | return nfs->readmax; | |
3413 | } | |
3414 | ||
3415 | /* | |
3416 | * Get the maximum supported WRITE3 size by the server | |
3417 | */ | |
183451cf | 3418 | uint64_t nfs_get_writemax(struct nfs_context *nfs) |
17ef62fa | 3419 | { |
18c27b73 RS |
3420 | /* Some XDR libraries can not marshall PDUs bigger than this */ |
3421 | if (nfs->writemax < 32768) { | |
3422 | return nfs->writemax; | |
3423 | } | |
3424 | return 32768; | |
17ef62fa | 3425 | } |
1896d37b RS |
3426 | |
3427 | void nfs_set_error(struct nfs_context *nfs, char *error_string, ...) | |
3428 | { | |
3429 | va_list ap; | |
1e8994af | 3430 | char *str = NULL; |
1896d37b | 3431 | |
1e8994af | 3432 | va_start(ap, error_string); |
2606f9bb RS |
3433 | str = malloc(1024); |
3434 | vsnprintf(str, 1024, error_string, ap); | |
1896d37b RS |
3435 | if (nfs->rpc->error_string != NULL) { |
3436 | free(nfs->rpc->error_string); | |
3437 | } | |
1896d37b | 3438 | nfs->rpc->error_string = str; |
a8a1b858 | 3439 | va_end(ap); |
1896d37b | 3440 | } |
7f0242ca RS |
3441 | |
3442 | ||
3443 | ||
3444 | struct mount_cb_data { | |
3445 | rpc_cb cb; | |
3446 | void *private_data; | |
3447 | char *server; | |
3448 | }; | |
3449 | ||
3450 | static void free_mount_cb_data(struct mount_cb_data *data) | |
3451 | { | |
3452 | if (data->server != NULL) { | |
3453 | free(data->server); | |
3454 | data->server = NULL; | |
3455 | } | |
3456 | ||
3457 | free(data); | |
3458 | } | |
3459 | ||
3460 | static void mount_export_5_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
3461 | { | |
3462 | struct mount_cb_data *data = private_data; | |
3463 | ||
4a2b0876 RS |
3464 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3465 | ||
3466 | if (status == RPC_STATUS_ERROR) { | |
7f0242ca RS |
3467 | data->cb(rpc, -EFAULT, command_data, data->private_data); |
3468 | free_mount_cb_data(data); | |
3469 | return; | |
3470 | } | |
3471 | if (status == RPC_STATUS_CANCEL) { | |
3472 | data->cb(rpc, -EINTR, "Command was cancelled", data->private_data); | |
3473 | free_mount_cb_data(data); | |
3474 | return; | |
3475 | } | |
3476 | ||
3477 | data->cb(rpc, 0, command_data, data->private_data); | |
3478 | if (rpc_disconnect(rpc, "normal disconnect") != 0) { | |
3479 | rpc_set_error(rpc, "Failed to disconnect\n"); | |
3480 | } | |
3481 | free_mount_cb_data(data); | |
3482 | } | |
3483 | ||
3484 | static void mount_export_4_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
3485 | { | |
3486 | struct mount_cb_data *data = private_data; | |
3487 | ||
4a2b0876 RS |
3488 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3489 | ||
14a062eb RS |
3490 | /* Dont want any more callbacks even if the socket is closed */ |
3491 | rpc->connect_cb = NULL; | |
3492 | ||
7f0242ca RS |
3493 | if (status == RPC_STATUS_ERROR) { |
3494 | data->cb(rpc, -EFAULT, command_data, data->private_data); | |
3495 | free_mount_cb_data(data); | |
3496 | return; | |
3497 | } | |
3498 | if (status == RPC_STATUS_CANCEL) { | |
3499 | data->cb(rpc, -EINTR, "Command was cancelled", data->private_data); | |
3500 | free_mount_cb_data(data); | |
3501 | return; | |
3502 | } | |
3503 | ||
3504 | if (rpc_mount_export_async(rpc, mount_export_5_cb, data) != 0) { | |
3505 | data->cb(rpc, -ENOMEM, command_data, data->private_data); | |
3506 | free_mount_cb_data(data); | |
3507 | return; | |
3508 | } | |
3509 | } | |
3510 | ||
3511 | static void mount_export_3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
3512 | { | |
3513 | struct mount_cb_data *data = private_data; | |
3514 | uint32_t mount_port; | |
3515 | ||
4a2b0876 RS |
3516 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3517 | ||
3518 | if (status == RPC_STATUS_ERROR) { | |
7f0242ca RS |
3519 | data->cb(rpc, -EFAULT, command_data, data->private_data); |
3520 | free_mount_cb_data(data); | |
3521 | return; | |
3522 | } | |
3523 | if (status == RPC_STATUS_CANCEL) { | |
3524 | data->cb(rpc, -EINTR, "Command was cancelled", data->private_data); | |
3525 | free_mount_cb_data(data); | |
3526 | return; | |
3527 | } | |
3528 | ||
3529 | mount_port = *(uint32_t *)command_data; | |
3530 | if (mount_port == 0) { | |
3531 | rpc_set_error(rpc, "RPC error. Mount program is not available"); | |
3532 | data->cb(rpc, -ENOENT, command_data, data->private_data); | |
3533 | free_mount_cb_data(data); | |
3534 | return; | |
3535 | } | |
3536 | ||
3537 | rpc_disconnect(rpc, "normal disconnect"); | |
3538 | if (rpc_connect_async(rpc, data->server, mount_port, mount_export_4_cb, data) != 0) { | |
3539 | data->cb(rpc, -ENOMEM, command_data, data->private_data); | |
3540 | free_mount_cb_data(data); | |
3541 | return; | |
3542 | } | |
3543 | } | |
3544 | ||
3545 | static void mount_export_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
3546 | { | |
3547 | struct mount_cb_data *data = private_data; | |
3548 | ||
4a2b0876 RS |
3549 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3550 | ||
7f0242ca RS |
3551 | if (status == RPC_STATUS_ERROR) { |
3552 | data->cb(rpc, -EFAULT, command_data, data->private_data); | |
3553 | free_mount_cb_data(data); | |
3554 | return; | |
3555 | } | |
3556 | if (status == RPC_STATUS_CANCEL) { | |
3557 | data->cb(rpc, -EINTR, "Command was cancelled", data->private_data); | |
3558 | free_mount_cb_data(data); | |
3559 | return; | |
3560 | } | |
3561 | ||
5c6b1176 | 3562 | if (rpc_pmap_getport_async(rpc, MOUNT_PROGRAM, MOUNT_V3, IPPROTO_TCP, mount_export_3_cb, private_data) != 0) { |
7f0242ca RS |
3563 | data->cb(rpc, -ENOMEM, command_data, data->private_data); |
3564 | free_mount_cb_data(data); | |
3565 | return; | |
3566 | } | |
3567 | } | |
3568 | ||
3569 | static void mount_export_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data) | |
3570 | { | |
3571 | struct mount_cb_data *data = private_data; | |
3572 | ||
4a2b0876 RS |
3573 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3574 | ||
14a062eb RS |
3575 | /* Dont want any more callbacks even if the socket is closed */ |
3576 | rpc->connect_cb = NULL; | |
3577 | ||
7f0242ca RS |
3578 | if (status == RPC_STATUS_ERROR) { |
3579 | data->cb(rpc, -EFAULT, command_data, data->private_data); | |
3580 | free_mount_cb_data(data); | |
3581 | return; | |
3582 | } | |
3583 | if (status == RPC_STATUS_CANCEL) { | |
3584 | data->cb(rpc, -EINTR, "Command was cancelled", data->private_data); | |
3585 | free_mount_cb_data(data); | |
3586 | return; | |
3587 | } | |
3588 | ||
3589 | if (rpc_pmap_null_async(rpc, mount_export_2_cb, data) != 0) { | |
3590 | data->cb(rpc, -ENOMEM, command_data, data->private_data); | |
3591 | free_mount_cb_data(data); | |
3592 | return; | |
3593 | } | |
3594 | } | |
3595 | ||
3596 | int mount_getexports_async(struct rpc_context *rpc, const char *server, rpc_cb cb, void *private_data) | |
3597 | { | |
3598 | struct mount_cb_data *data; | |
3599 | ||
4a2b0876 RS |
3600 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
3601 | ||
7f0242ca RS |
3602 | data = malloc(sizeof(struct mount_cb_data)); |
3603 | if (data == NULL) { | |
3604 | return -1; | |
3605 | } | |
ea98629a | 3606 | memset(data, 0, sizeof(struct mount_cb_data)); |
7f0242ca RS |
3607 | data->cb = cb; |
3608 | data->private_data = private_data; | |
3609 | data->server = strdup(server); | |
3610 | if (data->server == NULL) { | |
3611 | free_mount_cb_data(data); | |
3612 | return -1; | |
3613 | } | |
3614 | if (rpc_connect_async(rpc, data->server, 111, mount_export_1_cb, data) != 0) { | |
3615 | free_mount_cb_data(data); | |
3616 | return -1; | |
3617 | } | |
3618 | ||
3619 | return 0; | |
3620 | } | |
3621 | ||
df5af25f RS |
3622 | struct rpc_context *nfs_get_rpc_context(struct nfs_context *nfs) |
3623 | { | |
4a2b0876 | 3624 | assert(nfs->rpc->magic == RPC_CONTEXT_MAGIC); |
df5af25f RS |
3625 | return nfs->rpc; |
3626 | } | |
3627 | ||
b077fdeb RS |
3628 | const char *nfs_get_server(struct nfs_context *nfs) { |
3629 | return nfs->server; | |
3630 | } | |
3631 | ||
3632 | const char *nfs_get_export(struct nfs_context *nfs) { | |
3633 | return nfs->export; | |
3634 | } | |
0ad9a1f1 | 3635 | |
8724c833 RS |
3636 | const struct nfs_fh3 *nfs_get_rootfh(struct nfs_context *nfs) { |
3637 | return &nfs->rootfh; | |
3638 | } | |
fa3c25be RS |
3639 | |
3640 | struct nfs_fh3 *nfs_get_fh(struct nfsfh *nfsfh) { | |
3641 | return &nfsfh->fh; | |
3642 | } |