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Donr declate AUTH as a struct in libnfs.h
[deb_libnfs.git] / lib / libnfs.c
CommitLineData
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>
84004dbf
RS		 36#include <errno.h>
37#include <sys/types.h>
38#include <sys/stat.h>
84004dbf
RS		 39#include <fcntl.h>
40#include "libnfs.h"
41#include "libnfs-raw.h"
42#include "libnfs-raw-mount.h"
43#include "libnfs-raw-nfs.h"
1896d37b
RS		 44#include "libnfs-private.h"
45
46struct nfsdir {
47 struct nfsdirent *entries;
48 struct nfsdirent *current;
49};
84004dbf
RS		 50
51struct nfsfh {
52 struct nfs_fh3 fh;
53 int is_sync;
54 off_t offset;
55};
56
1896d37b
RS		 57struct nfs_context {
58 struct rpc_context *rpc;
59 char *server;
60 char *export;
61 struct nfs_fh3 rootfh;
62 size_t readmax;
63 size_t writemax;
84004dbf
RS		 64};
65
66void nfs_free_nfsdir(struct nfsdir *nfsdir)
67{
68 while (nfsdir->entries) {
69 struct nfsdirent *dirent = nfsdir->entries->next;
70 if (nfsdir->entries->name != NULL) {
71 free(nfsdir->entries->name);
72 }
73 free(nfsdir->entries);
74 nfsdir->entries = dirent;
75 }
76 free(nfsdir);
77}
78
84004dbf
RS		 79struct nfs_cb_data;
80typedef int (*continue_func)(struct nfs_context *nfs, struct nfs_cb_data *data);
81
82struct nfs_cb_data {
83 struct nfs_context *nfs;
84 struct nfsfh *nfsfh;
85 char *saved_path, *path;
86
87 nfs_cb cb;
88 void *private_data;
89
90 continue_func continue_cb;
91 void *continue_data;
92 void (*free_continue_data)(void *);
93 int continue_int;
94
95 struct nfs_fh3 fh;
921f877b
RS		 96
97 /* for multi-read/write calls. */
98 int error;
99 int cancel;
100 int num_calls;
101 off_t start_offset, max_offset;
102 char *buffer;
103};
104
105struct nfs_mcb_data {
106 struct nfs_cb_data *data;
107 off_t offset;
108 size_t count;
84004dbf
RS		 109};
110
111static int nfs_lookup_path_async_internal(struct nfs_context *nfs, struct nfs_cb_data *data, struct nfs_fh3 *fh);
112
113
114void nfs_set_auth(struct nfs_context *nfs, struct AUTH *auth)
115{
9896c715 116 rpc_set_auth(nfs->rpc, auth);
84004dbf
RS		 117}
118
119int nfs_get_fd(struct nfs_context *nfs)
120{
121 return rpc_get_fd(nfs->rpc);
122}
123
83aa785d
RS		 124int nfs_queue_length(struct nfs_context *nfs)
125{
126 return rpc_queue_length(nfs->rpc);
127}
128
84004dbf
RS		 129int nfs_which_events(struct nfs_context *nfs)
130{
131 return rpc_which_events(nfs->rpc);
132}
133
134int nfs_service(struct nfs_context *nfs, int revents)
135{
136 return rpc_service(nfs->rpc, revents);
137}
138
139char *nfs_get_error(struct nfs_context *nfs)
140{
141 return rpc_get_error(nfs->rpc);
142};
143
144struct nfs_context *nfs_init_context(void)
145{
146 struct nfs_context *nfs;
147
148 nfs = malloc(sizeof(struct nfs_context));
149 if (nfs == NULL) {
84004dbf
RS		 150 return NULL;
151 }
152 nfs->rpc = rpc_init_context();
153 if (nfs->rpc == NULL) {
84004dbf
RS		 154 free(nfs);
155 return NULL;
156 }
157
b077fdeb
RS		 158 nfs->server = NULL;
159 nfs->export = NULL;
160
963c2f83
RS		 161 nfs->rootfh.data.data_len = 0;
162 nfs->rootfh.data.data_val = NULL;
163
84004dbf
RS		 164 return nfs;
165}
166
167void nfs_destroy_context(struct nfs_context *nfs)
168{
169 rpc_destroy_context(nfs->rpc);
170 nfs->rpc = NULL;
171
172 if (nfs->server) {
173 free(nfs->server);
174 nfs->server = NULL;
175 }
176
177 if (nfs->export) {
178 free(nfs->export);
179 nfs->export = NULL;
180 }
181
182 if (nfs->rootfh.data.data_val != NULL) {
183 free(nfs->rootfh.data.data_val);
184 nfs->rootfh.data.data_val = NULL;
185 }
186
187 free(nfs);
188}
189
190void free_nfs_cb_data(struct nfs_cb_data *data)
191{
192 if (data->saved_path != NULL) {
193 free(data->saved_path);
194 data->saved_path = NULL;
195 }
196
197 if (data->continue_data != NULL) {
198 data->free_continue_data(data->continue_data);
199 data->continue_data = NULL;
200 }
201
202 if (data->fh.data.data_val != NULL) {
203 free(data->fh.data.data_val);
204 data->fh.data.data_val = NULL;
205 }
206
921f877b
RS		 207 if (data->buffer != NULL) {
208 free(data->buffer);
209 data->buffer = NULL;
210 }
211
84004dbf
RS		 212 free(data);
213}
214
215
216
217
218
17ef62fa 219static void nfs_mount_10_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
84004dbf
RS		 220{
221 struct nfs_cb_data *data = private_data;
222 struct nfs_context *nfs = data->nfs;
223
224 if (status == RPC_STATUS_ERROR) {
225 data->cb(-EFAULT, nfs, command_data, data->private_data);
226 free_nfs_cb_data(data);
227 return;
228 }
229 if (status == RPC_STATUS_CANCEL) {
230 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
231 free_nfs_cb_data(data);
232 return;
233 }
234
235 data->cb(0, nfs, NULL, data->private_data);
236 free_nfs_cb_data(data);
237}
238
17ef62fa 239static void nfs_mount_9_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 240{
241 struct nfs_cb_data *data = private_data;
242 struct nfs_context *nfs = data->nfs;
17ef62fa 243 FSINFO3res *res = command_data;
84004dbf
RS		 244
245 if (status == RPC_STATUS_ERROR) {
246 data->cb(-EFAULT, nfs, command_data, data->private_data);
247 free_nfs_cb_data(data);
248 return;
249 }
250 if (status == RPC_STATUS_CANCEL) {
251 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
252 free_nfs_cb_data(data);
253 return;
254 }
255
17ef62fa
RS		 256 nfs->readmax = res->FSINFO3res_u.resok.rtmax;
257 nfs->writemax = res->FSINFO3res_u.resok.wtmax;
84004dbf 258
17ef62fa 259 if (rpc_nfs_getattr_async(rpc, nfs_mount_10_cb, &nfs->rootfh, data) != 0) {
84004dbf
RS		 260 data->cb(-ENOMEM, nfs, command_data, data->private_data);
261 free_nfs_cb_data(data);
262 return;
263 }
264}
265
17ef62fa
RS		 266static void nfs_mount_8_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
267{
268 struct nfs_cb_data *data = private_data;
269 struct nfs_context *nfs = data->nfs;
270
271 if (status == RPC_STATUS_ERROR) {
272 data->cb(-EFAULT, nfs, command_data, data->private_data);
273 free_nfs_cb_data(data);
274 return;
275 }
276 if (status == RPC_STATUS_CANCEL) {
277 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
278 free_nfs_cb_data(data);
279 return;
280 }
281
282 if (rpc_nfs_fsinfo_async(rpc, nfs_mount_9_cb, &nfs->rootfh, data) != 0) {
283 data->cb(-ENOMEM, nfs, command_data, data->private_data);
284 free_nfs_cb_data(data);
285 return;
286 }
287}
288
289
84004dbf
RS		 290static void nfs_mount_7_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
291{
292 struct nfs_cb_data *data = private_data;
293 struct nfs_context *nfs = data->nfs;
294
295 if (status == RPC_STATUS_ERROR) {
296 data->cb(-EFAULT, nfs, command_data, data->private_data);
297 free_nfs_cb_data(data);
298 return;
299 }
300 if (status == RPC_STATUS_CANCEL) {
301 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
302 free_nfs_cb_data(data);
303 return;
304 }
305
306 if (rpc_nfs_null_async(rpc, nfs_mount_8_cb, data) != 0) {
307 data->cb(-ENOMEM, nfs, command_data, data->private_data);
308 free_nfs_cb_data(data);
309 return;
310 }
311}
312
313
314static void nfs_mount_6_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
315{
316 struct nfs_cb_data *data = private_data;
317 struct nfs_context *nfs = data->nfs;
318 mountres3 *res;
319
320 if (status == RPC_STATUS_ERROR) {
321 data->cb(-EFAULT, nfs, command_data, data->private_data);
322 free_nfs_cb_data(data);
323 return;
324 }
325 if (status == RPC_STATUS_CANCEL) {
326 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
327 free_nfs_cb_data(data);
328 return;
329 }
330
331 res = command_data;
332 if (res->fhs_status != MNT3_OK) {
333 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));
334 data->cb(mountstat3_to_errno(res->fhs_status), nfs, rpc_get_error(rpc), data->private_data);
335 free_nfs_cb_data(data);
336 return;
337 }
338
339 nfs->rootfh.data.data_len = res->mountres3_u.mountinfo.fhandle.fhandle3_len;
340 nfs->rootfh.data.data_val = malloc(nfs->rootfh.data.data_len);
341 if (nfs->rootfh.data.data_val == NULL) {
342 rpc_set_error(rpc, "Out of memory. Could not allocate memory to store root filehandle");
343 data->cb(-ENOMEM, nfs, rpc_get_error(rpc), data->private_data);
344 free_nfs_cb_data(data);
345 return;
346 }
347 memcpy(nfs->rootfh.data.data_val, res->mountres3_u.mountinfo.fhandle.fhandle3_val, nfs->rootfh.data.data_len);
348
349 rpc_disconnect(rpc, "normal disconnect");
350 if (rpc_connect_async(rpc, nfs->server, 2049, nfs_mount_7_cb, data) != 0) {
351 data->cb(-ENOMEM, nfs, command_data, data->private_data);
352 free_nfs_cb_data(data);
353 return;
354 }
355}
356
357
358static void nfs_mount_5_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
359{
360 struct nfs_cb_data *data = private_data;
361 struct nfs_context *nfs = data->nfs;
362
363 if (status == RPC_STATUS_ERROR) {
364 data->cb(-EFAULT, nfs, command_data, data->private_data);
365 free_nfs_cb_data(data);
366 return;
367 }
368 if (status == RPC_STATUS_CANCEL) {
369 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
370 free_nfs_cb_data(data);
371 return;
372 }
373
374 if (rpc_mount_mnt_async(rpc, nfs_mount_6_cb, nfs->export, data) != 0) {
375 data->cb(-ENOMEM, nfs, command_data, data->private_data);
376 free_nfs_cb_data(data);
377 return;
378 }
379}
380
381static void nfs_mount_4_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
382{
383 struct nfs_cb_data *data = private_data;
384 struct nfs_context *nfs = data->nfs;
385
386 if (status == RPC_STATUS_ERROR) {
387 data->cb(-EFAULT, nfs, command_data, data->private_data);
388 free_nfs_cb_data(data);
389 return;
390 }
391 if (status == RPC_STATUS_CANCEL) {
392 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
393 free_nfs_cb_data(data);
394 return;
395 }
396
397 if (rpc_mount_null_async(rpc, nfs_mount_5_cb, data) != 0) {
398 data->cb(-ENOMEM, nfs, command_data, data->private_data);
399 free_nfs_cb_data(data);
400 return;
401 }
402}
403
404static void nfs_mount_3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
405{
406 struct nfs_cb_data *data = private_data;
407 struct nfs_context *nfs = data->nfs;
408 uint32_t mount_port;
409
410 if (status == RPC_STATUS_ERROR) {
411 data->cb(-EFAULT, nfs, command_data, data->private_data);
412 free_nfs_cb_data(data);
413 return;
414 }
415 if (status == RPC_STATUS_CANCEL) {
416 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
417 free_nfs_cb_data(data);
418 return;
419 }
420
421 mount_port = *(uint32_t *)command_data;
422 if (mount_port == 0) {
423 rpc_set_error(rpc, "RPC error. Mount program is not available on %s", nfs->server);
424 data->cb(-ENOENT, nfs, command_data, data->private_data);
425 free_nfs_cb_data(data);
426 return;
427 }
428
429 rpc_disconnect(rpc, "normal disconnect");
430 if (rpc_connect_async(rpc, nfs->server, mount_port, nfs_mount_4_cb, data) != 0) {
431 data->cb(-ENOMEM, nfs, command_data, data->private_data);
432 free_nfs_cb_data(data);
433 return;
434 }
435}
436
437
438static void nfs_mount_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
439{
440 struct nfs_cb_data *data = private_data;
441 struct nfs_context *nfs = data->nfs;
442
443 if (status == RPC_STATUS_ERROR) {
444 data->cb(-EFAULT, nfs, command_data, data->private_data);
445 free_nfs_cb_data(data);
446 return;
447 }
448 if (status == RPC_STATUS_CANCEL) {
449 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
450 free_nfs_cb_data(data);
451 return;
452 }
453
454 if (rpc_pmap_getport_async(rpc, MOUNT_PROGRAM, MOUNT_V3, nfs_mount_3_cb, private_data) != 0) {
455 data->cb(-ENOMEM, nfs, command_data, data->private_data);
456 free_nfs_cb_data(data);
457 return;
458 }
459}
460
461static void nfs_mount_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
462{
463 struct nfs_cb_data *data = private_data;
464 struct nfs_context *nfs = data->nfs;
465
466 if (status == RPC_STATUS_ERROR) {
467 data->cb(-EFAULT, nfs, command_data, data->private_data);
468 free_nfs_cb_data(data);
469 return;
470 }
471 if (status == RPC_STATUS_CANCEL) {
472 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
473 free_nfs_cb_data(data);
474 return;
475 }
476
477 if (rpc_pmap_null_async(rpc, nfs_mount_2_cb, data) != 0) {
478 data->cb(-ENOMEM, nfs, command_data, data->private_data);
479 free_nfs_cb_data(data);
480 return;
481 }
482}
483
484/*
485 * Async call for mounting an nfs share and geting the root filehandle
486 */
487int nfs_mount_async(struct nfs_context *nfs, const char *server, const char *export, nfs_cb cb, void *private_data)
488{
489 struct nfs_cb_data *data;
b077fdeb 490 char *new_server, *new_export;
84004dbf
RS		 491
492 data = malloc(sizeof(struct nfs_cb_data));
493 if (data == NULL) {
cbbf9d3e 494 rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for nfs mount data");
84004dbf
RS		 495 return -1;
496 }
ea98629a 497 memset(data, 0, sizeof(struct nfs_cb_data));
b077fdeb
RS		 498 new_server = strdup(server);
499 new_export = strdup(export);
500 if (nfs->server != NULL) {
501 free(nfs->server);
502 nfs->server = NULL;
503 }
504 nfs->server = new_server;
505 if (nfs->export != NULL) {
506 free(nfs->export);
507 nfs->export = NULL;
508 }
509 nfs->export = new_export;
84004dbf
RS		 510 data->nfs = nfs;
511 data->cb = cb;
512 data->private_data = private_data;
513
514 if (rpc_connect_async(nfs->rpc, server, 111, nfs_mount_1_cb, data) != 0) {
cbbf9d3e 515 rpc_set_error(nfs->rpc, "Failed to start connection");
84004dbf 516 free_nfs_cb_data(data);
cbbf9d3e 517 return -1;
84004dbf
RS		 518 }
519
520 return 0;
521}
522
523
524
525/*
526 * Functions to first look up a path, component by component, and then finally call a specific function once
527 * the filehandle for the final component is found.
528 */
529static void nfs_lookup_path_1_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
530{
531 struct nfs_cb_data *data = private_data;
532 struct nfs_context *nfs = data->nfs;
533 LOOKUP3res *res;
534
535 if (status == RPC_STATUS_ERROR) {
536 data->cb(-EFAULT, nfs, command_data, data->private_data);
537 free_nfs_cb_data(data);
538 return;
539 }
540 if (status == RPC_STATUS_CANCEL) {
541 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
542 free_nfs_cb_data(data);
543 return;
544 }
545
546 res = command_data;
547 if (res->status != NFS3_OK) {
548 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));
549 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
550 free_nfs_cb_data(data);
551 return;
552 }
553
554 if (nfs_lookup_path_async_internal(nfs, data, &res->LOOKUP3res_u.resok.object) != 0) {
555 rpc_set_error(nfs->rpc, "Failed to create lookup pdu");
556 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
557 free_nfs_cb_data(data);
558 return;
559 }
560}
561
562static int nfs_lookup_path_async_internal(struct nfs_context *nfs, struct nfs_cb_data *data, struct nfs_fh3 *fh)
563{
564 char *path, *str;
565
566 while (*data->path == '/') {
567 data->path++;
568 }
569
570 path = data->path;
93e9306f 571 str = strchr(path, '/');
84004dbf
RS		 572 if (str != NULL) {
573 *str = 0;
574 data->path = str+1;
575 } else {
576 while (*data->path != 0) {
577 data->path++;
578 }
579 }
580
581 if (*path == 0) {
582 data->fh.data.data_len = fh->data.data_len;
583 data->fh.data.data_val = malloc(data->fh.data.data_len);
584 if (data->fh.data.data_val == NULL) {
585 rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh for %s", data->path);
586 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
587 free_nfs_cb_data(data);
588 return -1;
589 }
590 memcpy(data->fh.data.data_val, fh->data.data_val, data->fh.data.data_len);
591 data->continue_cb(nfs, data);
592 return 0;
593 }
594
595 if (rpc_nfs_lookup_async(nfs->rpc, nfs_lookup_path_1_cb, fh, path, data) != 0) {
596 rpc_set_error(nfs->rpc, "RPC error: Failed to send lookup call for %s", data->path);
597 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
598 free_nfs_cb_data(data);
599 return -1;
600 }
601 return 0;
602}
603
604static 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)
605{
606 struct nfs_cb_data *data;
607
608 if (path[0] != '/') {
609 rpc_set_error(nfs->rpc, "Pathname is not absulute %s", path);
610 return -1;
611 }
612
613 data = malloc(sizeof(struct nfs_cb_data));
614 if (data == NULL) {
615 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
cbbf9d3e 616 return -1;
84004dbf 617 }
ea98629a 618 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 619 data->nfs = nfs;
620 data->cb = cb;
621 data->continue_cb = continue_cb;
622 data->continue_data = continue_data;
623 data->free_continue_data = free_continue_data;
624 data->continue_int = continue_int;
625 data->private_data = private_data;
626 data->saved_path = strdup(path);
627 if (data->saved_path == NULL) {
628 rpc_set_error(nfs->rpc, "out of memory: failed to copy path string");
84004dbf 629 free_nfs_cb_data(data);
cbbf9d3e 630 return -1;
84004dbf
RS		 631 }
632 data->path = data->saved_path;
633
634 if (nfs_lookup_path_async_internal(nfs, data, &nfs->rootfh) != 0) {
84004dbf
RS		 635 /* return 0 here since the callback will be invoked if there is a failure */
636 return 0;
637 }
638 return 0;
639}
640
641
642
643
644
645/*
646 * Async stat()
647 */
648static void nfs_stat_1_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
649{
650 GETATTR3res *res;
651 struct nfs_cb_data *data = private_data;
652 struct nfs_context *nfs = data->nfs;
653 struct stat st;
654
655 if (status == RPC_STATUS_ERROR) {
656 data->cb(-EFAULT, nfs, command_data, data->private_data);
657 free_nfs_cb_data(data);
658 return;
659 }
660 if (status == RPC_STATUS_CANCEL) {
661 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
662 free_nfs_cb_data(data);
663 return;
664 }
665
666 res = command_data;
667 if (res->status != NFS3_OK) {
668 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));
669 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
670 free_nfs_cb_data(data);
671 return;
672 }
673
674 st.st_dev = -1;
675 st.st_ino = res->GETATTR3res_u.resok.obj_attributes.fileid;
676 st.st_mode = res->GETATTR3res_u.resok.obj_attributes.mode;
e8cab72a
RS		 677 if (res->GETATTR3res_u.resok.obj_attributes.type == NF3DIR) {
678 st.st_mode |= S_IFDIR ;
679 }
84004dbf
RS		 680 st.st_nlink = res->GETATTR3res_u.resok.obj_attributes.nlink;
681 st.st_uid = res->GETATTR3res_u.resok.obj_attributes.uid;
682 st.st_gid = res->GETATTR3res_u.resok.obj_attributes.gid;
683 st.st_rdev = 0;
684 st.st_size = res->GETATTR3res_u.resok.obj_attributes.size;
a8a1b858 685#ifndef WIN32
84004dbf
RS		 686 st.st_blksize = 4096;
687 st.st_blocks = res->GETATTR3res_u.resok.obj_attributes.size / 4096;
a8a1b858 688#endif//WIN32
84004dbf
RS		 689 st.st_atime = res->GETATTR3res_u.resok.obj_attributes.atime.seconds;
690 st.st_mtime = res->GETATTR3res_u.resok.obj_attributes.mtime.seconds;
691 st.st_ctime = res->GETATTR3res_u.resok.obj_attributes.ctime.seconds;
692
693 data->cb(0, nfs, &st, data->private_data);
694 free_nfs_cb_data(data);
695}
696
697static int nfs_stat_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
698{
699 if (rpc_nfs_getattr_async(nfs->rpc, nfs_stat_1_cb, &data->fh, data) != 0) {
700 rpc_set_error(nfs->rpc, "RPC error: Failed to send STAT GETATTR call for %s", data->path);
701 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
702 free_nfs_cb_data(data);
703 return -1;
704 }
705 return 0;
706}
707
708int nfs_stat_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
709{
710 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_stat_continue_internal, NULL, NULL, 0) != 0) {
cbbf9d3e 711 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 712 return -1;
713 }
714
715 return 0;
716}
717
718
719
720
721
722/*
723 * Async open()
724 */
725static void nfs_open_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
726{
727 ACCESS3res *res;
728 struct nfs_cb_data *data = private_data;
729 struct nfs_context *nfs = data->nfs;
730 struct nfsfh *nfsfh;
731 unsigned int nfsmode = 0;
732
733 if (status == RPC_STATUS_ERROR) {
734 data->cb(-EFAULT, nfs, command_data, data->private_data);
735 free_nfs_cb_data(data);
736 return;
737 }
738 if (status == RPC_STATUS_CANCEL) {
739 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
740 free_nfs_cb_data(data);
741 return;
742 }
743
744 res = command_data;
745 if (res->status != NFS3_OK) {
746 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));
747 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
748 free_nfs_cb_data(data);
749 return;
750 }
751
752 if (data->continue_int & O_WRONLY) {
753 nfsmode |= ACCESS3_MODIFY;
754 }
755 if (data->continue_int & O_RDWR) {
756 nfsmode |= ACCESS3_READ|ACCESS3_MODIFY;
757 }
758 if (!(data->continue_int & (O_WRONLY|O_RDWR))) {
759 nfsmode |= ACCESS3_READ;
760 }
761
762
763 if (res->ACCESS3res_u.resok.access != nfsmode) {
764 rpc_set_error(nfs->rpc, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c",
765 nfsmode&ACCESS3_READ?'r':'-',
766 nfsmode&ACCESS3_MODIFY?'w':'-',
767 nfsmode&ACCESS3_EXECUTE?'x':'-',
768 res->ACCESS3res_u.resok.access&ACCESS3_READ?'r':'-',
769 res->ACCESS3res_u.resok.access&ACCESS3_MODIFY?'w':'-',
770 res->ACCESS3res_u.resok.access&ACCESS3_EXECUTE?'x':'-');
771 data->cb(-EACCES, nfs, rpc_get_error(nfs->rpc), data->private_data);
772 free_nfs_cb_data(data);
773 return;
774 }
775
776 nfsfh = malloc(sizeof(struct nfsfh));
777 if (nfsfh == NULL) {
778 rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure");
779 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
780 free_nfs_cb_data(data);
781 return;
782 }
ea98629a 783 memset(nfsfh, 0, sizeof(struct nfsfh));
84004dbf
RS		 784
785 if (data->continue_int & O_SYNC) {
786 nfsfh->is_sync = 1;
787 }
788
789 /* steal the filehandle */
790 nfsfh->fh.data.data_len = data->fh.data.data_len;
791 nfsfh->fh.data.data_val = data->fh.data.data_val;
792 data->fh.data.data_val = NULL;
793
794 data->cb(0, nfs, nfsfh, data->private_data);
795 free_nfs_cb_data(data);
796}
797
798static int nfs_open_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
799{
800 int nfsmode = 0;
801
802 if (data->continue_int & O_WRONLY) {
803 nfsmode |= ACCESS3_MODIFY;
804 }
805 if (data->continue_int & O_RDWR) {
806 nfsmode |= ACCESS3_READ|ACCESS3_MODIFY;
807 }
808 if (!(data->continue_int & (O_WRONLY|O_RDWR))) {
809 nfsmode |= ACCESS3_READ;
810 }
811
812 if (rpc_nfs_access_async(nfs->rpc, nfs_open_cb, &data->fh, nfsmode, data) != 0) {
813 rpc_set_error(nfs->rpc, "RPC error: Failed to send OPEN ACCESS call for %s", data->path);
814 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
815 free_nfs_cb_data(data);
816 return -1;
817 }
818 return 0;
819}
820
821int nfs_open_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data)
822{
823 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_open_continue_internal, NULL, NULL, mode) != 0) {
cbbf9d3e
RS		 824 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
825 return -1;
84004dbf
RS		 826 }
827
828 return 0;
829}
830
831
832
833
834
835/*
836 * Async pread()
837 */
838static void nfs_pread_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
839{
840 struct nfs_cb_data *data = private_data;
841 struct nfs_context *nfs = data->nfs;
842 READ3res *res;
843
844 if (status == RPC_STATUS_ERROR) {
845 data->cb(-EFAULT, nfs, command_data, data->private_data);
846 free_nfs_cb_data(data);
847 return;
848 }
849 if (status == RPC_STATUS_CANCEL) {
850 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
851 free_nfs_cb_data(data);
852 return;
853 }
854
855 res = command_data;
856 if (res->status != NFS3_OK) {
857 rpc_set_error(nfs->rpc, "NFS: Read failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
858 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
859 free_nfs_cb_data(data);
860 return;
861 }
862
863 data->nfsfh->offset += res->READ3res_u.resok.count;
864 data->cb(res->READ3res_u.resok.count, nfs, res->READ3res_u.resok.data.data_val, data->private_data);
865 free_nfs_cb_data(data);
866}
867
921f877b
RS		 868static void nfs_pread_mcb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
869{
870 struct nfs_mcb_data *mdata = private_data;
871 struct nfs_cb_data *data = mdata->data;
872 struct nfs_context *nfs = data->nfs;
873 READ3res *res;
874
875 data->num_calls--;
876
877 if (status == RPC_STATUS_ERROR) {
878 /* flag the failure but do not invoke callback until we have received all responses */
879 data->error = 1;
880 }
881 if (status == RPC_STATUS_CANCEL) {
882 /* flag the cancellation but do not invoke callback until we have received all responses */
883 data->cancel = 1;
884 }
885
886 /* reassemble the data into the buffer */
887 if (status == RPC_STATUS_SUCCESS) {
888 res = command_data;
889 if (res->status != NFS3_OK) {
890 rpc_set_error(nfs->rpc, "NFS: Read failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
891 data->error = 1;
e4a5ba42
RS		 892 } else {
893 if (res->READ3res_u.resok.count > 0) {
894 memcpy(&data->buffer[mdata->offset - data->start_offset], res->READ3res_u.resok.data.data_val, res->READ3res_u.resok.count);
895 if ((unsigned)data->max_offset < mdata->offset + res->READ3res_u.resok.count) {
896 data->max_offset = mdata->offset + res->READ3res_u.resok.count;
897 }
921f877b
RS		 898 }
899 }
900 }
901
902 if (data->num_calls > 0) {
903 /* still waiting for more replies */
904 free(mdata);
905 return;
906 }
907
921f877b
RS		 908 if (data->error != 0) {
909 data->cb(-EFAULT, nfs, command_data, data->private_data);
910 free_nfs_cb_data(data);
911 free(mdata);
912 return;
913 }
914 if (data->cancel != 0) {
915 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
916 free_nfs_cb_data(data);
917 free(mdata);
918 return;
919 }
920
921 data->nfsfh->offset = data->max_offset;
7ed9d87a
RS		 922 data->cb(data->max_offset - data->start_offset, nfs, data->buffer, data->private_data);
923
921f877b
RS		 924 free_nfs_cb_data(data);
925 free(mdata);
926}
927
84004dbf
RS		 928int nfs_pread_async(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t offset, size_t count, nfs_cb cb, void *private_data)
929{
930 struct nfs_cb_data *data;
931
932 data = malloc(sizeof(struct nfs_cb_data));
933 if (data == NULL) {
934 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 935 return -1;
936 }
ea98629a 937 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 938 data->nfs = nfs;
939 data->cb = cb;
940 data->private_data = private_data;
941 data->nfsfh = nfsfh;
942
943 nfsfh->offset = offset;
921f877b
RS		 944
945 if (count <= nfs_get_readmax(nfs)) {
946 if (rpc_nfs_read_async(nfs->rpc, nfs_pread_cb, &nfsfh->fh, offset, count, data) != 0) {
947 rpc_set_error(nfs->rpc, "RPC error: Failed to send READ call for %s", data->path);
948 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
949 free_nfs_cb_data(data);
950 return -1;
951 }
952 return 0;
953 }
954
955 /* trying to read more than maximum server read size, we has to chop it up into smaller
956 * reads and collect into a reassembly buffer.
957 * we send all reads in parallell so that performance is still good.
958 */
7ed9d87a 959 data->max_offset = offset;
921f877b
RS		 960 data->start_offset = offset;
961
962 data->buffer = malloc(count);
963 if (data->buffer == NULL) {
964 rpc_set_error(nfs->rpc, "Out-Of-Memory: Failed to allocate reassembly buffer for %d bytes", (int)count);
84004dbf
RS		 965 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
966 free_nfs_cb_data(data);
967 return -1;
968 }
921f877b
RS		 969
970 while (count > 0) {
971 size_t readcount = count;
972 struct nfs_mcb_data *mdata;
973
974 if (readcount > nfs_get_readmax(nfs)) {
975 readcount = nfs_get_readmax(nfs);
976 }
977
978 mdata = malloc(sizeof(struct nfs_mcb_data));
979 if (mdata == NULL) {
980 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_mcb_data structure");
921f877b
RS		 981 return -1;
982 }
ea98629a 983 memset(mdata, 0, sizeof(struct nfs_mcb_data));
921f877b
RS		 984 mdata->data = data;
985 mdata->offset = offset;
986 mdata->count = readcount;
921f877b
RS		 987 if (rpc_nfs_read_async(nfs->rpc, nfs_pread_mcb, &nfsfh->fh, offset, readcount, mdata) != 0) {
988 rpc_set_error(nfs->rpc, "RPC error: Failed to send READ call for %s", data->path);
989 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
990 free(mdata);
991 return -1;
992 }
993
994 count -= readcount;
995 offset += readcount;
996 data->num_calls++;
997 }
998
999 return 0;
84004dbf
RS		 1000}
1001
1002/*
1003 * Async read()
1004 */
1005int nfs_read_async(struct nfs_context *nfs, struct nfsfh *nfsfh, size_t count, nfs_cb cb, void *private_data)
1006{
1007 return nfs_pread_async(nfs, nfsfh, nfsfh->offset, count, cb, private_data);
1008}
1009
1010
1011
1012/*
1013 * Async pwrite()
1014 */
1015static void nfs_pwrite_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
1016{
1017 struct nfs_cb_data *data = private_data;
1018 struct nfs_context *nfs = data->nfs;
1019 WRITE3res *res;
1020
1021 if (status == RPC_STATUS_ERROR) {
1022 data->cb(-EFAULT, nfs, command_data, data->private_data);
1023 free_nfs_cb_data(data);
1024 return;
1025 }
1026 if (status == RPC_STATUS_CANCEL) {
1027 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1028 free_nfs_cb_data(data);
1029 return;
1030 }
1031
1032 res = command_data;
1033 if (res->status != NFS3_OK) {
1034 rpc_set_error(nfs->rpc, "NFS: Write failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1035 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1036 free_nfs_cb_data(data);
1037 return;
1038 }
1039
1040 data->nfsfh->offset += res->WRITE3res_u.resok.count;
1041 data->cb(res->WRITE3res_u.resok.count, nfs, NULL, data->private_data);
1042 free_nfs_cb_data(data);
1043}
1044
18c27b73
RS		 1045static void nfs_pwrite_mcb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
1046{
1047 struct nfs_mcb_data *mdata = private_data;
1048 struct nfs_cb_data *data = mdata->data;
1049 struct nfs_context *nfs = data->nfs;
1050 WRITE3res *res;
1051
1052 data->num_calls--;
1053
1054 if (status == RPC_STATUS_ERROR) {
1055 /* flag the failure but do not invoke callback until we have received all responses */
1056 data->error = 1;
1057 }
1058 if (status == RPC_STATUS_CANCEL) {
1059 /* flag the cancellation but do not invoke callback until we have received all responses */
1060 data->cancel = 1;
1061 }
1062
1063 if (status == RPC_STATUS_SUCCESS) {
1064 res = command_data;
1065 if (res->status != NFS3_OK) {
1066 rpc_set_error(nfs->rpc, "NFS: Write failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1067 data->error = 1;
1068 } else {
1069 if (res->WRITE3res_u.resok.count > 0) {
1070 if ((unsigned)data->max_offset < mdata->offset + res->WRITE3res_u.resok.count) {
1071 data->max_offset = mdata->offset + res->WRITE3res_u.resok.count;
1072 }
1073 }
1074 }
1075 }
1076
1077 if (data->num_calls > 0) {
1078 /* still waiting for more replies */
1079 free(mdata);
1080 return;
1081 }
1082
1083 if (data->error != 0) {
1084 data->cb(-EFAULT, nfs, command_data, data->private_data);
1085 free_nfs_cb_data(data);
1086 free(mdata);
1087 return;
1088 }
1089 if (data->cancel != 0) {
1090 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1091 free_nfs_cb_data(data);
1092 free(mdata);
1093 return;
1094 }
1095
1096 data->nfsfh->offset = data->max_offset;
1097 data->cb(data->max_offset - data->start_offset, nfs, NULL, data->private_data);
1098
1099 free_nfs_cb_data(data);
1100 free(mdata);
1101}
1102
1103
84004dbf
RS		 1104int nfs_pwrite_async(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t offset, size_t count, char *buf, nfs_cb cb, void *private_data)
1105{
1106 struct nfs_cb_data *data;
1107
1108 data = malloc(sizeof(struct nfs_cb_data));
1109 if (data == NULL) {
1110 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1111 return -1;
1112 }
ea98629a 1113 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1114 data->nfs = nfs;
1115 data->cb = cb;
1116 data->private_data = private_data;
1117 data->nfsfh = nfsfh;
1118
1119 nfsfh->offset = offset;
18c27b73
RS		 1120
1121 if (count <= nfs_get_writemax(nfs)) {
1122 if (rpc_nfs_write_async(nfs->rpc, nfs_pwrite_cb, &nfsfh->fh, buf, offset, count, nfsfh->is_sync?FILE_SYNC:UNSTABLE, data) != 0) {
1123 rpc_set_error(nfs->rpc, "RPC error: Failed to send WRITE call for %s", data->path);
1124 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1125 free_nfs_cb_data(data);
1126 return -1;
1127 }
1128 return 0;
84004dbf 1129 }
18c27b73
RS		 1130
1131 /* trying to write more than maximum server write size, we has to chop it up into smaller
1132 * chunks.
1133 * we send all writes in parallell so that performance is still good.
1134 */
1135 data->max_offset = offset;
1136 data->start_offset = offset;
1137
1138 while (count > 0) {
1139 size_t writecount = count;
1140 struct nfs_mcb_data *mdata;
1141
1142 if (writecount > nfs_get_writemax(nfs)) {
1143 writecount = nfs_get_writemax(nfs);
1144 }
1145
1146 mdata = malloc(sizeof(struct nfs_mcb_data));
1147 if (mdata == NULL) {
1148 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_mcb_data structure");
1149 return -1;
1150 }
1151 memset(mdata, 0, sizeof(struct nfs_mcb_data));
1152 mdata->data = data;
1153 mdata->offset = offset;
1154 mdata->count = writecount;
1155
1156 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) {
1157 rpc_set_error(nfs->rpc, "RPC error: Failed to send WRITE call for %s", data->path);
1158 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1159 free(mdata);
1160 return -1;
1161 }
1162
1163 count -= writecount;
1164 offset += writecount;
1165 data->num_calls++;
1166 }
1167
84004dbf
RS		 1168 return 0;
1169}
1170
1171/*
1172 * Async write()
1173 */
1174int nfs_write_async(struct nfs_context *nfs, struct nfsfh *nfsfh, size_t count, char *buf, nfs_cb cb, void *private_data)
1175{
1176 return nfs_pwrite_async(nfs, nfsfh, nfsfh->offset, count, buf, cb, private_data);
1177}
1178
1179
1180
1181
1182/*
1183 * close
1184 */
1185
1186int nfs_close_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data)
1187{
1188 if (nfsfh->fh.data.data_val != NULL){
1189 free(nfsfh->fh.data.data_val);
1190 nfsfh->fh.data.data_val = NULL;
1191 }
1192 free(nfsfh);
1193
1194 cb(0, nfs, NULL, private_data);
1195 return 0;
1196};
1197
1198
1199
1200
1201
1202/*
1203 * Async fstat()
1204 */
1205int nfs_fstat_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data)
1206{
1207 struct nfs_cb_data *data;
1208
1209 data = malloc(sizeof(struct nfs_cb_data));
1210 if (data == NULL) {
1211 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1212 return -1;
1213 }
ea98629a 1214 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1215 data->nfs = nfs;
1216 data->cb = cb;
1217 data->private_data = private_data;
1218
1219 if (rpc_nfs_getattr_async(nfs->rpc, nfs_stat_1_cb, &nfsfh->fh, data) != 0) {
1220 rpc_set_error(nfs->rpc, "RPC error: Failed to send STAT GETATTR call for %s", data->path);
1221 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1222 free_nfs_cb_data(data);
1223 return -1;
1224 }
1225 return 0;
1226}
1227
1228
1229
1230/*
1231 * Async fsync()
1232 */
1233static void nfs_fsync_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
1234{
1235 struct nfs_cb_data *data = private_data;
1236 struct nfs_context *nfs = data->nfs;
1237 COMMIT3res *res;
1238
1239 if (status == RPC_STATUS_ERROR) {
1240 data->cb(-EFAULT, nfs, command_data, data->private_data);
1241 free_nfs_cb_data(data);
1242 return;
1243 }
1244 if (status == RPC_STATUS_CANCEL) {
1245 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1246 free_nfs_cb_data(data);
1247 return;
1248 }
1249
1250 res = command_data;
1251 if (res->status != NFS3_OK) {
1252 rpc_set_error(nfs->rpc, "NFS: Commit failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1253 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1254 free_nfs_cb_data(data);
1255 return;
1256 }
1257
1258 data->cb(0, nfs, NULL, data->private_data);
1259 free_nfs_cb_data(data);
1260}
1261
1262int nfs_fsync_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data)
1263{
1264 struct nfs_cb_data *data;
1265
1266 data = malloc(sizeof(struct nfs_cb_data));
1267 if (data == NULL) {
1268 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1269 return -1;
1270 }
ea98629a 1271 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1272 data->nfs = nfs;
1273 data->cb = cb;
1274 data->private_data = private_data;
1275
1276 if (rpc_nfs_commit_async(nfs->rpc, nfs_fsync_cb, &nfsfh->fh, data) != 0) {
1277 rpc_set_error(nfs->rpc, "RPC error: Failed to send COMMIT call for %s", data->path);
1278 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1279 free_nfs_cb_data(data);
1280 return -1;
1281 }
1282 return 0;
1283}
1284
1285
1286
1287
1288/*
1289 * Async ftruncate()
1290 */
1291static void nfs_ftruncate_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
1292{
1293 struct nfs_cb_data *data = private_data;
1294 struct nfs_context *nfs = data->nfs;
1295 SETATTR3res *res;
1296
1297 if (status == RPC_STATUS_ERROR) {
1298 data->cb(-EFAULT, nfs, command_data, data->private_data);
1299 free_nfs_cb_data(data);
1300 return;
1301 }
1302 if (status == RPC_STATUS_CANCEL) {
1303 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1304 free_nfs_cb_data(data);
1305 return;
1306 }
1307
1308 res = command_data;
1309 if (res->status != NFS3_OK) {
1310 rpc_set_error(nfs->rpc, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1311 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1312 free_nfs_cb_data(data);
1313 return;
1314 }
1315
1316 data->cb(0, nfs, NULL, data->private_data);
1317 free_nfs_cb_data(data);
1318}
1319
1320int nfs_ftruncate_async(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t length, nfs_cb cb, void *private_data)
1321{
1322 struct nfs_cb_data *data;
1323 SETATTR3args args;
1324
1325 data = malloc(sizeof(struct nfs_cb_data));
1326 if (data == NULL) {
1327 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1328 return -1;
1329 }
ea98629a 1330 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1331 data->nfs = nfs;
1332 data->cb = cb;
1333 data->private_data = private_data;
1334
ea98629a 1335 memset(&args, 0, sizeof(SETATTR3args));
84004dbf
RS		 1336 args.object.data.data_len = nfsfh->fh.data.data_len;
1337 args.object.data.data_val = nfsfh->fh.data.data_val;
1338 args.new_attributes.size.set_it = 1;
1339 args.new_attributes.size.set_size3_u.size = length;
1340
1341 if (rpc_nfs_setattr_async(nfs->rpc, nfs_ftruncate_cb, &args, data) != 0) {
1342 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
1343 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1344 free_nfs_cb_data(data);
1345 return -1;
1346 }
1347 return 0;
1348}
1349
1350
1351/*
1352 * Async truncate()
1353 */
1354static int nfs_truncate_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
1355{
1356 off_t offset = data->continue_int;
1357 struct nfsfh nfsfh;
1358
1359 nfsfh.fh.data.data_val = data->fh.data.data_val;
1360 nfsfh.fh.data.data_len = data->fh.data.data_len;
1361
1362 if (nfs_ftruncate_async(nfs, &nfsfh, offset, data->cb, data->private_data) != 0) {
1363 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
1364 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1365 free_nfs_cb_data(data);
1366 return -1;
1367 }
1368 free_nfs_cb_data(data);
1369 return 0;
1370}
1371
1372int nfs_truncate_async(struct nfs_context *nfs, const char *path, off_t length, nfs_cb cb, void *private_data)
1373{
1374 off_t offset;
1375
1376 offset = length;
1377
1378 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_truncate_continue_internal, NULL, NULL, offset) != 0) {
cbbf9d3e
RS		 1379 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
1380 return -1;
84004dbf
RS		 1381 }
1382
1383 return 0;
1384}
1385
1386
1387
1388
1389/*
1390 * Async mkdir()
1391 */
1392static void nfs_mkdir_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
1393{
1394 MKDIR3res *res;
1395 struct nfs_cb_data *data = private_data;
1396 struct nfs_context *nfs = data->nfs;
1397 char *str = data->continue_data;
1398
1399 str = &str[strlen(str) + 1];
1400
1401 if (status == RPC_STATUS_ERROR) {
1402 data->cb(-EFAULT, nfs, command_data, data->private_data);
1403 free_nfs_cb_data(data);
1404 return;
1405 }
1406 if (status == RPC_STATUS_CANCEL) {
1407 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1408 free_nfs_cb_data(data);
1409 return;
1410 }
1411
1412 res = command_data;
1413 if (res->status != NFS3_OK) {
1414 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));
1415 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1416 free_nfs_cb_data(data);
1417 return;
1418 }
1419
1420 data->cb(0, nfs, NULL, data->private_data);
1421 free_nfs_cb_data(data);
1422}
1423
1424static int nfs_mkdir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
1425{
1426 char *str = data->continue_data;
1427
1428 str = &str[strlen(str) + 1];
1429
1430 if (rpc_nfs_mkdir_async(nfs->rpc, nfs_mkdir_cb, &data->fh, str, data) != 0) {
1431 rpc_set_error(nfs->rpc, "RPC error: Failed to send MKDIR call for %s", data->path);
1432 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1433 free_nfs_cb_data(data);
1434 return -1;
1435 }
1436 return 0;
1437}
1438
1439int nfs_mkdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
1440{
1441 char *new_path;
1442 char *ptr;
1443
1444 new_path = strdup(path);
1445 if (new_path == NULL) {
cbbf9d3e 1446 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 1447 return -1;
1448 }
1449
93e9306f 1450 ptr = strrchr(new_path, '/');
84004dbf 1451 if (ptr == NULL) {
cbbf9d3e
RS		 1452 rpc_set_error(nfs->rpc, "Invalid path %s", path);
1453 return -1;
84004dbf
RS		 1454 }
1455 *ptr = 0;
1456
1457 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
1458 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_mkdir_continue_internal, new_path, free, 0) != 0) {
cbbf9d3e
RS		 1459 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path component");
1460 return -1;
84004dbf
RS		 1461 }
1462
1463 return 0;
1464}
1465
1466
1467
1468
1469
1470/*
1471 * Async rmdir()
1472 */
1473static void nfs_rmdir_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
1474{
1475 RMDIR3res *res;
1476 struct nfs_cb_data *data = private_data;
1477 struct nfs_context *nfs = data->nfs;
1478 char *str = data->continue_data;
1479
1480 str = &str[strlen(str) + 1];
1481
1482 if (status == RPC_STATUS_ERROR) {
1483 data->cb(-EFAULT, nfs, command_data, data->private_data);
1484 free_nfs_cb_data(data);
1485 return;
1486 }
1487 if (status == RPC_STATUS_CANCEL) {
1488 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1489 free_nfs_cb_data(data);
1490 return;
1491 }
1492
1493 res = command_data;
1494 if (res->status != NFS3_OK) {
1495 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));
1496 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1497 free_nfs_cb_data(data);
1498 return;
1499 }
1500
1501 data->cb(0, nfs, NULL, data->private_data);
1502 free_nfs_cb_data(data);
1503}
1504
1505static int nfs_rmdir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
1506{
1507 char *str = data->continue_data;
1508
1509 str = &str[strlen(str) + 1];
1510
1511 if (rpc_nfs_rmdir_async(nfs->rpc, nfs_rmdir_cb, &data->fh, str, data) != 0) {
1512 rpc_set_error(nfs->rpc, "RPC error: Failed to send RMDIR call for %s", data->path);
1513 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1514 free_nfs_cb_data(data);
1515 return -1;
1516 }
1517 return 0;
1518}
1519
1520int nfs_rmdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
1521{
1522 char *new_path;
1523 char *ptr;
1524
1525 new_path = strdup(path);
1526 if (new_path == NULL) {
cbbf9d3e 1527 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 1528 return -1;
1529 }
1530
93e9306f 1531 ptr = strrchr(new_path, '/');
84004dbf 1532 if (ptr == NULL) {
cbbf9d3e
RS		 1533 rpc_set_error(nfs->rpc, "Invalid path %s", path);
1534 return -1;
84004dbf
RS		 1535 }
1536 *ptr = 0;
1537
1538 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
1539 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_rmdir_continue_internal, new_path, free, 0) != 0) {
cbbf9d3e
RS		 1540 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
1541 return -1;
84004dbf
RS		 1542 }
1543
1544 return 0;
1545}
1546
1547
1548
1549
1550/*
1551 * Async creat()
1552 */
1553static void nfs_create_2_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
1554{
1555 LOOKUP3res *res;
1556 struct nfs_cb_data *data = private_data;
1557 struct nfs_context *nfs = data->nfs;
1558 struct nfsfh *nfsfh;
1559 char *str = data->continue_data;
1560
1561 if (status == RPC_STATUS_ERROR) {
1562 data->cb(-EFAULT, nfs, command_data, data->private_data);
1563 free_nfs_cb_data(data);
1564 return;
1565 }
1566 if (status == RPC_STATUS_CANCEL) {
1567 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1568 free_nfs_cb_data(data);
1569 return;
1570 }
1571
1572 str = &str[strlen(str) + 1];
1573 res = command_data;
1574 if (res->status != NFS3_OK) {
1575 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));
1576 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1577
1578 return;
1579 }
1580
1581 nfsfh = malloc(sizeof(struct nfsfh));
1582 if (nfsfh == NULL) {
1583 rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure");
1584 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1585 free_nfs_cb_data(data);
1586 return;
1587 }
ea98629a 1588 memset(nfsfh, 0, sizeof(struct nfsfh));
84004dbf
RS		 1589
1590 /* steal the filehandle */
1591 nfsfh->fh.data.data_len = data->fh.data.data_len;
1592 nfsfh->fh.data.data_val = data->fh.data.data_val;
1593 data->fh.data.data_val = NULL;
1594
1595 data->cb(0, nfs, nfsfh, data->private_data);
1596 free_nfs_cb_data(data);
1597}
1598
1599
1600
1601static void nfs_creat_1_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
1602{
1603 CREATE3res *res;
1604 struct nfs_cb_data *data = private_data;
1605 struct nfs_context *nfs = data->nfs;
1606 char *str = data->continue_data;
1607
1608 if (status == RPC_STATUS_ERROR) {
1609 data->cb(-EFAULT, nfs, command_data, data->private_data);
1610 free_nfs_cb_data(data);
1611 return;
1612 }
1613 if (status == RPC_STATUS_CANCEL) {
1614 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1615 free_nfs_cb_data(data);
1616 return;
1617 }
1618
1619 str = &str[strlen(str) + 1];
1620 res = command_data;
1621 if (res->status != NFS3_OK) {
1622 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));
1623 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1624
1625 return;
1626 }
1627
1628 if (rpc_nfs_lookup_async(nfs->rpc, nfs_create_2_cb, &data->fh, str, data) != 0) {
1629 rpc_set_error(nfs->rpc, "RPC error: Failed to send lookup call for %s/%s", data->saved_path, str);
1630 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1631 free_nfs_cb_data(data);
1632 return;
1633 }
1634 return;
1635}
1636
1637static int nfs_creat_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
1638{
1639 char *str = data->continue_data;
1640
1641 str = &str[strlen(str) + 1];
1642
1643 if (rpc_nfs_create_async(nfs->rpc, nfs_creat_1_cb, &data->fh, str, data->continue_int, data) != 0) {
1644 rpc_set_error(nfs->rpc, "RPC error: Failed to send CREATE call for %s/%s", data->path, str);
1645 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1646 free_nfs_cb_data(data);
1647 return -1;
1648 }
1649 return 0;
1650}
1651
1652int nfs_creat_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data)
1653{
1654 char *new_path;
1655 char *ptr;
1656
1657 new_path = strdup(path);
1658 if (new_path == NULL) {
cbbf9d3e 1659 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 1660 return -1;
1661 }
1662
93e9306f 1663 ptr = strrchr(new_path, '/');
84004dbf 1664 if (ptr == NULL) {
cbbf9d3e
RS		 1665 rpc_set_error(nfs->rpc, "Invalid path %s", path);
1666 return -1;
84004dbf
RS		 1667 }
1668 *ptr = 0;
1669
1670 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
1671 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_creat_continue_internal, new_path, free, mode) != 0) {
cbbf9d3e
RS		 1672 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
1673 return -1;
84004dbf
RS		 1674 }
1675
1676 return 0;
1677}
1678
1679
1680
1681
1682/*
1683 * Async unlink()
1684 */
1685static void nfs_unlink_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
1686{
1687 REMOVE3res *res;
1688 struct nfs_cb_data *data = private_data;
1689 struct nfs_context *nfs = data->nfs;
1690 char *str = data->continue_data;
1691
1692 str = &str[strlen(str) + 1];
1693
1694 if (status == RPC_STATUS_ERROR) {
1695 data->cb(-EFAULT, nfs, command_data, data->private_data);
1696 free_nfs_cb_data(data);
1697 return;
1698 }
1699 if (status == RPC_STATUS_CANCEL) {
1700 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1701 free_nfs_cb_data(data);
1702 return;
1703 }
1704
1705 res = command_data;
1706 if (res->status != NFS3_OK) {
1707 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));
1708 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1709 free_nfs_cb_data(data);
1710 return;
1711 }
1712
1713 data->cb(0, nfs, NULL, data->private_data);
1714 free_nfs_cb_data(data);
1715}
1716
1717static int nfs_unlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
1718{
1719 char *str = data->continue_data;
1720
1721 str = &str[strlen(str) + 1];
1722
1723 if (rpc_nfs_remove_async(nfs->rpc, nfs_unlink_cb, &data->fh, str, data) != 0) {
1724 rpc_set_error(nfs->rpc, "RPC error: Failed to send REMOVE call for %s", data->path);
1725 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1726 free_nfs_cb_data(data);
1727 return -1;
1728 }
1729 return 0;
1730}
1731
1732int nfs_unlink_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
1733{
1734 char *new_path;
1735 char *ptr;
1736
1737 new_path = strdup(path);
1738 if (new_path == NULL) {
cbbf9d3e 1739 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 1740 return -1;
1741 }
1742
93e9306f 1743 ptr = strrchr(new_path, '/');
84004dbf 1744 if (ptr == NULL) {
cbbf9d3e
RS		 1745 rpc_set_error(nfs->rpc, "Invalid path %s", path);
1746 return -1;
84004dbf
RS		 1747 }
1748 *ptr = 0;
1749
1750 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
1751 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_unlink_continue_internal, new_path, free, 0) != 0) {
cbbf9d3e
RS		 1752 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
1753 return -1;
84004dbf
RS		 1754 }
1755
1756 return 0;
1757}
1758
1759
1760
1761
1762
1763/*
1764 * Async opendir()
1765 */
1766static void nfs_opendir_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
1767{
f390f181 1768 READDIRPLUS3res *res;
84004dbf
RS		 1769 struct nfs_cb_data *data = private_data;
1770 struct nfs_context *nfs = data->nfs;
fb6510bb 1771 struct nfsdir *nfsdir = data->continue_data;
f390f181 1772 struct entryplus3 *entry;
84004dbf 1773 uint64_t cookie;
f390f181 1774
84004dbf
RS		 1775 if (status == RPC_STATUS_ERROR) {
1776 data->cb(-EFAULT, nfs, command_data, data->private_data);
1777 nfs_free_nfsdir(nfsdir);
1778 data->continue_data = NULL;
1779 free_nfs_cb_data(data);
1780 return;
1781 }
1782 if (status == RPC_STATUS_CANCEL) {
1783 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1784 nfs_free_nfsdir(nfsdir);
1785 data->continue_data = NULL;
1786 free_nfs_cb_data(data);
1787 return;
1788 }
1789
1790 res = command_data;
1791 if (res->status != NFS3_OK) {
1792 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));
1793 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1794 nfs_free_nfsdir(nfsdir);
1795 data->continue_data = NULL;
1796 free_nfs_cb_data(data);
1797 return;
1798 }
1799
f390f181 1800 entry =res->READDIRPLUS3res_u.resok.reply.entries;
84004dbf
RS		 1801 while (entry != NULL) {
1802 struct nfsdirent *nfsdirent;
1803
1804 nfsdirent = malloc(sizeof(struct nfsdirent));
1805 if (nfsdirent == NULL) {
1806 data->cb(-ENOMEM, nfs, "Failed to allocate dirent", data->private_data);
1807 nfs_free_nfsdir(nfsdir);
1808 data->continue_data = NULL;
1809 free_nfs_cb_data(data);
1810 return;
1811 }
ea98629a 1812 memset(nfsdirent, 0, sizeof(struct nfsdirent));
84004dbf
RS		 1813 nfsdirent->name = strdup(entry->name);
1814 if (nfsdirent->name == NULL) {
1815 data->cb(-ENOMEM, nfs, "Failed to allocate dirent->name", data->private_data);
1816 nfs_free_nfsdir(nfsdir);
1817 data->continue_data = NULL;
1818 free_nfs_cb_data(data);
1819 return;
1820 }
1821 nfsdirent->inode = entry->fileid;
0804e67d
RS		 1822 if (entry->name_attributes.attributes_follow) {
1823 nfsdirent->type = entry->name_attributes.post_op_attr_u.attributes.type;
1824 nfsdirent->mode = entry->name_attributes.post_op_attr_u.attributes.mode;
1825 nfsdirent->size = entry->name_attributes.post_op_attr_u.attributes.size;
1826
1827 nfsdirent->atime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.atime.seconds;
1828 nfsdirent->atime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.atime.nseconds/1000;
1829 nfsdirent->mtime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.mtime.seconds;
1830 nfsdirent->mtime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.mtime.nseconds/1000;
1831 nfsdirent->ctime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.ctime.seconds;
1832 nfsdirent->ctime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.ctime.nseconds/1000;
1833 }
1834
84004dbf
RS		 1835 nfsdirent->next = nfsdir->entries;
1836 nfsdir->entries = nfsdirent;
1837
1838 cookie = entry->cookie;
1839 entry = entry->nextentry;
1840 }
1841
f390f181
RS		 1842 if (res->READDIRPLUS3res_u.resok.reply.eof == 0) {
1843 if (rpc_nfs_readdirplus_async(nfs->rpc, nfs_opendir_cb, &data->fh, cookie, res->READDIRPLUS3res_u.resok.cookieverf, 8192, data) != 0) {
1844 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIRPLUS call for %s", data->path);
84004dbf
RS		 1845 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1846 nfs_free_nfsdir(nfsdir);
1847 data->continue_data = NULL;
1848 free_nfs_cb_data(data);
1849 return;
1850 }
1851 return;
1852 }
1853
1854 /* steal the dirhandle */
1855 data->continue_data = NULL;
1856 nfsdir->current = nfsdir->entries;
1857
1858 data->cb(0, nfs, nfsdir, data->private_data);
1859 free_nfs_cb_data(data);
1860}
1861
1862static int nfs_opendir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
1863{
1864 cookieverf3 cv;
1865
ea98629a 1866 memset(cv, 0, sizeof(cookieverf3));
f390f181
RS		 1867 if (rpc_nfs_readdirplus_async(nfs->rpc, nfs_opendir_cb, &data->fh, 0, (char *)&cv, 8192, data) != 0) {
1868 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIRPLUS call for %s", data->path);
84004dbf
RS		 1869 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1870 free_nfs_cb_data(data);
1871 return -1;
1872 }
1873 return 0;
1874}
1875
1876int nfs_opendir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
1877{
1878 struct nfsdir *nfsdir;
1879
1880 nfsdir = malloc(sizeof(struct nfsdir));
1881 if (nfsdir == NULL) {
cbbf9d3e 1882 rpc_set_error(nfs->rpc, "failed to allocate buffer for nfsdir");
84004dbf
RS		 1883 return -1;
1884 }
ea98629a 1885 memset(nfsdir, 0, sizeof(struct nfsdir));
84004dbf
RS		 1886
1887 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_opendir_continue_internal, nfsdir, free, 0) != 0) {
cbbf9d3e
RS		 1888 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
1889 return -1;
84004dbf
RS		 1890 }
1891
1892 return 0;
1893}
1894
1895
1896struct nfsdirent *nfs_readdir(struct nfs_context *nfs _U_, struct nfsdir *nfsdir)
1897{
1898 struct nfsdirent *nfsdirent = nfsdir->current;
1899
1900 if (nfsdir->current != NULL) {
1901 nfsdir->current = nfsdir->current->next;
1902 }
1903 return nfsdirent;
1904}
1905
1906
1907void nfs_closedir(struct nfs_context *nfs _U_, struct nfsdir *nfsdir)
1908{
1909 nfs_free_nfsdir(nfsdir);
1910}
1911
1912
1913
1914
1915
1916
1917
1918/*
1919 * Async lseek()
1920 */
1921struct lseek_cb_data {
1922 struct nfs_context *nfs;
1923 struct nfsfh *nfsfh;
1924 off_t offset;
1925 nfs_cb cb;
1926 void *private_data;
1927};
1928
1929static void nfs_lseek_1_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
1930{
1931 GETATTR3res *res;
1932 struct lseek_cb_data *data = private_data;
1933 struct nfs_context *nfs = data->nfs;
1934
1935 if (status == RPC_STATUS_ERROR) {
1936 data->cb(-EFAULT, nfs, command_data, data->private_data);
1937 free(data);
1938 return;
1939 }
1940 if (status == RPC_STATUS_CANCEL) {
1941 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1942 free(data);
1943 return;
1944 }
1945
1946 res = command_data;
1947 if (res->status != NFS3_OK) {
1948 rpc_set_error(nfs->rpc, "NFS: GETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1949 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1950 free(data);
1951 return;
1952 }
1953
1954 data->nfsfh->offset = data->offset + res->GETATTR3res_u.resok.obj_attributes.size;
1955 data->cb(0, nfs, &data->nfsfh->offset, data->private_data);
1956 free(data);
1957}
1958
1959int nfs_lseek_async(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t offset, int whence, nfs_cb cb, void *private_data)
1960{
1961 struct lseek_cb_data *data;
1962
1963 if (whence == SEEK_SET) {
1964 nfsfh->offset = offset;
1965 cb(0, nfs, &nfsfh->offset, private_data);
1966 return 0;
1967 }
1968 if (whence == SEEK_CUR) {
1969 nfsfh->offset += offset;
1970 cb(0, nfs, &nfsfh->offset, private_data);
1971 return 0;
1972 }
1973
1974 data = malloc(sizeof(struct lseek_cb_data));
1975 if (data == NULL) {
1976 rpc_set_error(nfs->rpc, "Out Of Memory: Failed to malloc lseek cb data");
1977 return -1;
1978 }
1979
1980 data->nfs = nfs;
1981 data->nfsfh = nfsfh;
1982 data->offset = offset;
1983 data->cb = cb;
1984 data->private_data = private_data;
1985
1986 if (rpc_nfs_getattr_async(nfs->rpc, nfs_lseek_1_cb, &nfsfh->fh, data) != 0) {
1987 rpc_set_error(nfs->rpc, "RPC error: Failed to send LSEEK GETATTR call");
1988 free(data);
cbbf9d3e 1989 return -1;
84004dbf
RS		 1990 }
1991 return 0;
1992}
1993
1994
1995
1996
1997/*
1998 * Async statvfs()
1999 */
2000static void nfs_statvfs_1_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
2001{
2002 FSSTAT3res *res;
2003 struct nfs_cb_data *data = private_data;
2004 struct nfs_context *nfs = data->nfs;
2005 struct statvfs svfs;
2006
2007 if (status == RPC_STATUS_ERROR) {
2008 data->cb(-EFAULT, nfs, command_data, data->private_data);
2009 free_nfs_cb_data(data);
2010 return;
2011 }
2012 if (status == RPC_STATUS_CANCEL) {
2013 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2014 free_nfs_cb_data(data);
2015 return;
2016 }
2017
2018 res = command_data;
2019 if (res->status != NFS3_OK) {
2020 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));
2021 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2022 free_nfs_cb_data(data);
2023 return;
2024 }
2025
2026 svfs.f_bsize = 4096;
2027 svfs.f_frsize = 4096;
2028 svfs.f_blocks = res->FSSTAT3res_u.resok.tbytes/4096;
2029 svfs.f_bfree = res->FSSTAT3res_u.resok.fbytes/4096;
2030 svfs.f_bavail = res->FSSTAT3res_u.resok.abytes/4096;
2031 svfs.f_files = res->FSSTAT3res_u.resok.tfiles;
2032 svfs.f_ffree = res->FSSTAT3res_u.resok.ffiles;
2033 svfs.f_favail = res->FSSTAT3res_u.resok.afiles;
2034 svfs.f_fsid = 0;
2035 svfs.f_flag = 0;
2036 svfs.f_namemax = 256;
2037
2038 data->cb(0, nfs, &svfs, data->private_data);
2039 free_nfs_cb_data(data);
2040}
2041
2042static int nfs_statvfs_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2043{
2044 if (rpc_nfs_fsstat_async(nfs->rpc, nfs_statvfs_1_cb, &data->fh, data) != 0) {
2045 rpc_set_error(nfs->rpc, "RPC error: Failed to send FSSTAT call for %s", data->path);
2046 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2047 free_nfs_cb_data(data);
2048 return -1;
2049 }
2050 return 0;
2051}
2052
2053int nfs_statvfs_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
2054{
2055 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_statvfs_continue_internal, NULL, NULL, 0) != 0) {
cbbf9d3e 2056 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 2057 return -1;
2058 }
2059
2060 return 0;
2061}
2062
2063
2064
2065
2066/*
2067 * Async readlink()
2068 */
2069static void nfs_readlink_1_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
2070{
2071 READLINK3res *res;
2072 struct nfs_cb_data *data = private_data;
2073 struct nfs_context *nfs = data->nfs;
2074
2075 if (status == RPC_STATUS_ERROR) {
2076 data->cb(-EFAULT, nfs, command_data, data->private_data);
2077 free_nfs_cb_data(data);
2078 return;
2079 }
2080 if (status == RPC_STATUS_CANCEL) {
2081 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2082 free_nfs_cb_data(data);
2083 return;
2084 }
2085
2086 res = command_data;
2087 if (res->status != NFS3_OK) {
2088 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));
2089 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2090 free_nfs_cb_data(data);
2091 return;
2092 }
2093
2094
2095 data->cb(0, nfs, res->READLINK3res_u.resok.data, data->private_data);
2096 free_nfs_cb_data(data);
2097}
2098
2099static int nfs_readlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2100{
2101 if (rpc_nfs_readlink_async(nfs->rpc, nfs_readlink_1_cb, &data->fh, data) != 0) {
2102 rpc_set_error(nfs->rpc, "RPC error: Failed to send READLINK call for %s", data->path);
2103 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2104 free_nfs_cb_data(data);
2105 return -1;
2106 }
2107 return 0;
2108}
2109
2110int nfs_readlink_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
2111{
2112 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_readlink_continue_internal, NULL, NULL, 0) != 0) {
cbbf9d3e 2113 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 2114 return -1;
2115 }
2116
2117 return 0;
2118}
2119
2120
2121
2122
2123/*
2124 * Async chmod()
2125 */
2126static void nfs_chmod_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
2127{
2128 struct nfs_cb_data *data = private_data;
2129 struct nfs_context *nfs = data->nfs;
2130 SETATTR3res *res;
2131
2132 if (status == RPC_STATUS_ERROR) {
2133 data->cb(-EFAULT, nfs, command_data, data->private_data);
2134 free_nfs_cb_data(data);
2135 return;
2136 }
2137 if (status == RPC_STATUS_CANCEL) {
2138 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2139 free_nfs_cb_data(data);
2140 return;
2141 }
2142
2143 res = command_data;
2144 if (res->status != NFS3_OK) {
2145 rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
2146 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2147 free_nfs_cb_data(data);
2148 return;
2149 }
2150
2151 data->cb(0, nfs, NULL, data->private_data);
2152 free_nfs_cb_data(data);
2153}
2154
2155static int nfs_chmod_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2156{
2157 SETATTR3args args;
2158
ea98629a 2159 memset(&args, 0, sizeof(SETATTR3args));
84004dbf
RS		 2160 args.object.data.data_len = data->fh.data.data_len;
2161 args.object.data.data_val = data->fh.data.data_val;
2162 args.new_attributes.mode.set_it = 1;
2163 args.new_attributes.mode.set_mode3_u.mode = data->continue_int;
2164
2165 if (rpc_nfs_setattr_async(nfs->rpc, nfs_chmod_cb, &args, data) != 0) {
2166 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
2167 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2168 free_nfs_cb_data(data);
2169 return -1;
2170 }
2171 return 0;
2172}
2173
2174
2175int nfs_chmod_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data)
2176{
2177 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_chmod_continue_internal, NULL, NULL, mode) != 0) {
cbbf9d3e 2178 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 2179 return -1;
2180 }
2181
2182 return 0;
2183}
2184
2185/*
2186 * Async fchmod()
2187 */
2188int nfs_fchmod_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int mode, nfs_cb cb, void *private_data)
2189{
2190 struct nfs_cb_data *data;
2191
2192 data = malloc(sizeof(struct nfs_cb_data));
2193 if (data == NULL) {
cbbf9d3e 2194 rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for nfs mount data");
84004dbf
RS		 2195 return -1;
2196 }
ea98629a 2197 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 2198 data->nfs = nfs;
2199 data->cb = cb;
2200 data->private_data = private_data;
2201 data->continue_int = mode;
2202 data->fh.data.data_len = nfsfh->fh.data.data_len;
2203 data->fh.data.data_val = malloc(data->fh.data.data_len);
2204 if (data->fh.data.data_val == NULL) {
2205 rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh");
2206 free_nfs_cb_data(data);
2207 return -1;
2208 }
2209 memcpy(data->fh.data.data_val, nfsfh->fh.data.data_val, data->fh.data.data_len);
2210
2211 if (nfs_chmod_continue_internal(nfs, data) != 0) {
2212 free_nfs_cb_data(data);
2213 return -1;
2214 }
2215
2216 return 0;
2217}
2218
2219
2220
2221/*
2222 * Async chown()
2223 */
2224static void nfs_chown_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
2225{
2226 struct nfs_cb_data *data = private_data;
2227 struct nfs_context *nfs = data->nfs;
2228 SETATTR3res *res;
2229
2230 if (status == RPC_STATUS_ERROR) {
2231 data->cb(-EFAULT, nfs, command_data, data->private_data);
2232 free_nfs_cb_data(data);
2233 return;
2234 }
2235 if (status == RPC_STATUS_CANCEL) {
2236 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2237 free_nfs_cb_data(data);
2238 return;
2239 }
2240
2241 res = command_data;
2242 if (res->status != NFS3_OK) {
2243 rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
2244 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2245 free_nfs_cb_data(data);
2246 return;
2247 }
2248
2249 data->cb(0, nfs, NULL, data->private_data);
2250 free_nfs_cb_data(data);
2251}
2252
2253struct nfs_chown_data {
2254 uid_t uid;
2255 gid_t gid;
2256};
2257
2258static int nfs_chown_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2259{
2260 SETATTR3args args;
2261 struct nfs_chown_data *chown_data = data->continue_data;
2262
ea98629a 2263 memset(&args, 0, sizeof(SETATTR3args));
84004dbf
RS		 2264 args.object.data.data_len = data->fh.data.data_len;
2265 args.object.data.data_val = data->fh.data.data_val;
2266 if (chown_data->uid != (uid_t)-1) {
2267 args.new_attributes.uid.set_it = 1;
2268 args.new_attributes.uid.set_uid3_u.uid = chown_data->uid;
2269 }
2270 if (chown_data->gid != (gid_t)-1) {
2271 args.new_attributes.gid.set_it = 1;
2272 args.new_attributes.gid.set_gid3_u.gid = chown_data->gid;
2273 }
2274
2275 if (rpc_nfs_setattr_async(nfs->rpc, nfs_chown_cb, &args, data) != 0) {
2276 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
2277 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2278 free_nfs_cb_data(data);
2279 return -1;
2280 }
2281 return 0;
2282}
2283
2284
2285int nfs_chown_async(struct nfs_context *nfs, const char *path, int uid, int gid, nfs_cb cb, void *private_data)
2286{
2287 struct nfs_chown_data *chown_data;
2288
2289 chown_data = malloc(sizeof(struct nfs_chown_data));
2290 if (chown_data == NULL) {
cbbf9d3e 2291 rpc_set_error(nfs->rpc, "Failed to allocate memory for chown data structure");
84004dbf
RS		 2292 return -1;
2293 }
2294
2295 chown_data->uid = uid;
2296 chown_data->gid = gid;
2297
2298 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_chown_continue_internal, chown_data, free, 0) != 0) {
cbbf9d3e 2299 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 2300 return -1;
2301 }
2302
2303 return 0;
2304}
2305
2306
2307/*
2308 * Async fchown()
2309 */
2310int nfs_fchown_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int uid, int gid, nfs_cb cb, void *private_data)
2311{
2312 struct nfs_cb_data *data;
2313 struct nfs_chown_data *chown_data;
2314
2315 chown_data = malloc(sizeof(struct nfs_chown_data));
2316 if (chown_data == NULL) {
cbbf9d3e 2317 rpc_set_error(nfs->rpc, "Failed to allocate memory for chown data structure");
84004dbf
RS		 2318 return -1;
2319 }
2320
2321 chown_data->uid = uid;
2322 chown_data->gid = gid;
2323
2324
2325 data = malloc(sizeof(struct nfs_cb_data));
2326 if (data == NULL) {
cbbf9d3e 2327 rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for fchown data");
84004dbf
RS		 2328 return -1;
2329 }
ea98629a 2330 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 2331 data->nfs = nfs;
2332 data->cb = cb;
2333 data->private_data = private_data;
2334 data->continue_data = chown_data;
2335 data->fh.data.data_len = nfsfh->fh.data.data_len;
2336 data->fh.data.data_val = malloc(data->fh.data.data_len);
2337 if (data->fh.data.data_val == NULL) {
2338 rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh");
2339 free_nfs_cb_data(data);
2340 return -1;
2341 }
2342 memcpy(data->fh.data.data_val, nfsfh->fh.data.data_val, data->fh.data.data_len);
2343
2344
2345 if (nfs_chown_continue_internal(nfs, data) != 0) {
2346 free_nfs_cb_data(data);
2347 return -1;
2348 }
2349
2350 return 0;
2351}
2352
2353
2354
2355
2356
2357/*
2358 * Async utimes()
2359 */
2360static void nfs_utimes_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
2361{
2362 struct nfs_cb_data *data = private_data;
2363 struct nfs_context *nfs = data->nfs;
2364 SETATTR3res *res;
2365
2366 if (status == RPC_STATUS_ERROR) {
2367 data->cb(-EFAULT, nfs, command_data, data->private_data);
2368 free_nfs_cb_data(data);
2369 return;
2370 }
2371 if (status == RPC_STATUS_CANCEL) {
2372 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2373 free_nfs_cb_data(data);
2374 return;
2375 }
2376
2377 res = command_data;
2378 if (res->status != NFS3_OK) {
2379 rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
2380 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2381 free_nfs_cb_data(data);
2382 return;
2383 }
2384
2385 data->cb(0, nfs, NULL, data->private_data);
2386 free_nfs_cb_data(data);
2387}
2388
2389static int nfs_utimes_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2390{
2391 SETATTR3args args;
2392 struct timeval *utimes_data = data->continue_data;
2393
ea98629a 2394 memset(&args, 0, sizeof(SETATTR3args));
84004dbf
RS		 2395 args.object.data.data_len = data->fh.data.data_len;
2396 args.object.data.data_val = data->fh.data.data_val;
2397 if (utimes_data != NULL) {
2398 args.new_attributes.atime.set_it = SET_TO_CLIENT_TIME;
2399 args.new_attributes.atime.set_atime_u.atime.seconds = utimes_data[0].tv_sec;
2400 args.new_attributes.atime.set_atime_u.atime.nseconds = utimes_data[0].tv_usec * 1000;
2401 args.new_attributes.mtime.set_it = SET_TO_CLIENT_TIME;
2402 args.new_attributes.mtime.set_mtime_u.mtime.seconds = utimes_data[1].tv_sec;
2403 args.new_attributes.mtime.set_mtime_u.mtime.nseconds = utimes_data[1].tv_usec * 1000;
2404 } else {
2405 args.new_attributes.atime.set_it = SET_TO_SERVER_TIME;
2406 args.new_attributes.mtime.set_it = SET_TO_SERVER_TIME;
2407 }
2408
2409 if (rpc_nfs_setattr_async(nfs->rpc, nfs_utimes_cb, &args, data) != 0) {
2410 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
2411 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2412 free_nfs_cb_data(data);
2413 return -1;
2414 }
2415 return 0;
2416}
2417
2418
2419int nfs_utimes_async(struct nfs_context *nfs, const char *path, struct timeval *times, nfs_cb cb, void *private_data)
2420{
2421 struct timeval *new_times = NULL;
2422
2423 if (times != NULL) {
2424 new_times = malloc(sizeof(struct timeval)*2);
2425 if (new_times == NULL) {
cbbf9d3e 2426 rpc_set_error(nfs->rpc, "Failed to allocate memory for timeval structure");
84004dbf
RS		 2427 return -1;
2428 }
2429
2430 memcpy(new_times, times, sizeof(struct timeval)*2);
2431 }
2432
2433 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_utimes_continue_internal, new_times, free, 0) != 0) {
cbbf9d3e 2434 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 2435 return -1;
2436 }
2437
2438 return 0;
2439}
2440
2441/*
2442 * Async utime()
2443 */
2444int nfs_utime_async(struct nfs_context *nfs, const char *path, struct utimbuf *times, nfs_cb cb, void *private_data)
2445{
2446 struct timeval *new_times = NULL;
2447
2448 if (times != NULL) {
2449 new_times = malloc(sizeof(struct timeval)*2);
2450 if (new_times == NULL) {
cbbf9d3e 2451 rpc_set_error(nfs->rpc, "Failed to allocate memory for timeval structure");
84004dbf
RS		 2452 return -1;
2453 }
2454
2455 new_times[0].tv_sec = times->actime;
2456 new_times[0].tv_usec = 0;
2457 new_times[1].tv_sec = times->modtime;
2458 new_times[1].tv_usec = 0;
2459 }
2460
2461 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_utimes_continue_internal, new_times, free, 0) != 0) {
cbbf9d3e 2462 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 2463 return -1;
2464 }
2465
2466 return 0;
2467}
2468
2469
2470
2471
2472
2473/*
2474 * Async access()
2475 */
2476static void nfs_access_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
2477{
2478 ACCESS3res *res;
2479 struct nfs_cb_data *data = private_data;
2480 struct nfs_context *nfs = data->nfs;
2481 unsigned int nfsmode = 0;
2482
2483 if (status == RPC_STATUS_ERROR) {
2484 data->cb(-EFAULT, nfs, command_data, data->private_data);
2485 free_nfs_cb_data(data);
2486 return;
2487 }
2488 if (status == RPC_STATUS_CANCEL) {
2489 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2490 free_nfs_cb_data(data);
2491 return;
2492 }
2493
2494 res = command_data;
2495 if (res->status != NFS3_OK) {
2496 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));
2497 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2498 free_nfs_cb_data(data);
2499 return;
2500 }
2501
2502 if (data->continue_int & R_OK) {
2503 nfsmode |= ACCESS3_READ;
2504 }
2505 if (data->continue_int & W_OK) {
2506 nfsmode |= ACCESS3_MODIFY;
2507 }
2508 if (data->continue_int & X_OK) {
2509 nfsmode |= ACCESS3_EXECUTE;
2510 }
2511
2512 if (res->ACCESS3res_u.resok.access != nfsmode) {
2513 rpc_set_error(nfs->rpc, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c",
2514 nfsmode&ACCESS3_READ?'r':'-',
2515 nfsmode&ACCESS3_MODIFY?'w':'-',
2516 nfsmode&ACCESS3_EXECUTE?'x':'-',
2517 res->ACCESS3res_u.resok.access&ACCESS3_READ?'r':'-',
2518 res->ACCESS3res_u.resok.access&ACCESS3_MODIFY?'w':'-',
2519 res->ACCESS3res_u.resok.access&ACCESS3_EXECUTE?'x':'-');
2520 data->cb(-EACCES, nfs, rpc_get_error(nfs->rpc), data->private_data);
2521 free_nfs_cb_data(data);
2522 return;
2523 }
2524
2525 data->cb(0, nfs, NULL, data->private_data);
2526 free_nfs_cb_data(data);
2527}
2528
2529static int nfs_access_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2530{
2531 int nfsmode = 0;
2532
2533 if (data->continue_int & R_OK) {
2534 nfsmode |= ACCESS3_READ;
2535 }
2536 if (data->continue_int & W_OK) {
2537 nfsmode |= ACCESS3_MODIFY;
2538 }
2539 if (data->continue_int & X_OK) {
2540 nfsmode |= ACCESS3_EXECUTE;
2541 }
2542
2543 if (rpc_nfs_access_async(nfs->rpc, nfs_access_cb, &data->fh, nfsmode, data) != 0) {
2544 rpc_set_error(nfs->rpc, "RPC error: Failed to send OPEN ACCESS call for %s", data->path);
2545 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2546 free_nfs_cb_data(data);
2547 return -1;
2548 }
2549 return 0;
2550}
2551
2552int nfs_access_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data)
2553{
2554 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_access_continue_internal, NULL, NULL, mode) != 0) {
cbbf9d3e
RS		 2555 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2556 return -1;
84004dbf
RS		 2557 }
2558
2559 return 0;
2560}
2561
2562
2563
2564/*
2565 * Async symlink()
2566 */
2567struct nfs_symlink_data {
2568 char *oldpath;
2569 char *newpathparent;
2570 char *newpathobject;
2571};
2572
2573static void free_nfs_symlink_data(void *mem)
2574{
2575 struct nfs_symlink_data *data = mem;
2576
2577 if (data->oldpath != NULL) {
2578 free(data->oldpath);
2579 }
2580 if (data->newpathparent != NULL) {
2581 free(data->newpathparent);
2582 }
2583 if (data->newpathobject != NULL) {
2584 free(data->newpathobject);
2585 }
2586 free(data);
2587}
2588
2589static void nfs_symlink_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
2590{
2591 SYMLINK3res *res;
2592 struct nfs_cb_data *data = private_data;
2593 struct nfs_context *nfs = data->nfs;
2594 struct nfs_symlink_data *symlink_data = data->continue_data;
2595
2596 if (status == RPC_STATUS_ERROR) {
2597 data->cb(-EFAULT, nfs, command_data, data->private_data);
2598 free_nfs_cb_data(data);
2599 return;
2600 }
2601 if (status == RPC_STATUS_CANCEL) {
2602 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2603 free_nfs_cb_data(data);
2604 return;
2605 }
2606
2607 res = command_data;
2608 if (res->status != NFS3_OK) {
2609 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));
2610 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2611 free_nfs_cb_data(data);
2612 return;
2613 }
2614
2615 data->cb(0, nfs, NULL, data->private_data);
2616 free_nfs_cb_data(data);
2617}
2618
2619static int nfs_symlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2620{
2621 struct nfs_symlink_data *symlink_data = data->continue_data;
2622
2623 if (rpc_nfs_symlink_async(nfs->rpc, nfs_symlink_cb, &data->fh, symlink_data->newpathobject, symlink_data->oldpath, data) != 0) {
2624 rpc_set_error(nfs->rpc, "RPC error: Failed to send SYMLINK call for %s", data->path);
2625 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2626 free_nfs_cb_data(data);
2627 return -1;
2628 }
2629 return 0;
2630}
2631
2632int nfs_symlink_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data)
2633{
2634 char *ptr;
2635 struct nfs_symlink_data *symlink_data;
2636
2637 symlink_data = malloc(sizeof(struct nfs_symlink_data));
2638 if (symlink_data == NULL) {
cbbf9d3e 2639 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for symlink data");
84004dbf
RS		 2640 return -1;
2641 }
ea98629a 2642 memset(symlink_data, 0, sizeof(struct nfs_symlink_data));
84004dbf
RS		 2643
2644 symlink_data->oldpath = strdup(oldpath);
2645 if (symlink_data->oldpath == NULL) {
cbbf9d3e 2646 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath");
84004dbf 2647 free_nfs_symlink_data(symlink_data);
cbbf9d3e 2648 return -1;
84004dbf
RS		 2649 }
2650
2651 symlink_data->newpathparent = strdup(newpath);
2652 if (symlink_data->newpathparent == NULL) {
cbbf9d3e 2653 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for new path");
84004dbf 2654 free_nfs_symlink_data(symlink_data);
cbbf9d3e 2655 return -1;
84004dbf
RS		 2656 }
2657
93e9306f 2658 ptr = strrchr(symlink_data->newpathparent, '/');
84004dbf 2659 if (ptr == NULL) {
cbbf9d3e 2660 rpc_set_error(nfs->rpc, "Invalid path %s", oldpath);
84004dbf 2661 free_nfs_symlink_data(symlink_data);
cbbf9d3e 2662 return -1;
84004dbf
RS		 2663 }
2664 *ptr = 0;
2665 ptr++;
2666
2667 symlink_data->newpathobject = strdup(ptr);
2668 if (symlink_data->newpathobject == NULL) {
cbbf9d3e 2669 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for new path");
84004dbf 2670 free_nfs_symlink_data(symlink_data);
cbbf9d3e 2671 return -1;
84004dbf
RS		 2672 }
2673
2674 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		 2675 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2676 return -1;
84004dbf
RS		 2677 }
2678
2679 return 0;
2680}
2681
2682
2683
2684/*
2685 * Async rename()
2686 */
2687struct nfs_rename_data {
2688 char *oldpath;
2689 char *oldobject;
2690 struct nfs_fh3 olddir;
2691 char *newpath;
2692 char *newobject;
2693 struct nfs_fh3 newdir;
2694};
2695
2696static void free_nfs_rename_data(void *mem)
2697{
2698 struct nfs_rename_data *data = mem;
2699
2700 if (data->oldpath != NULL) {
2701 free(data->oldpath);
2702 }
2703 if (data->olddir.data.data_val != NULL) {
2704 free(data->olddir.data.data_val);
2705 }
2706 if (data->newpath != NULL) {
2707 free(data->newpath);
2708 }
2709 if (data->newdir.data.data_val != NULL) {
2710 free(data->newdir.data.data_val);
2711 }
2712 free(data);
2713}
2714
2715static void nfs_rename_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
2716{
2717 RENAME3res *res;
2718 struct nfs_cb_data *data = private_data;
2719 struct nfs_context *nfs = data->nfs;
2720 struct nfs_rename_data *rename_data = data->continue_data;
2721
2722 if (status == RPC_STATUS_ERROR) {
2723 data->cb(-EFAULT, nfs, command_data, data->private_data);
2724 free_nfs_cb_data(data);
2725 return;
2726 }
2727 if (status == RPC_STATUS_CANCEL) {
2728 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2729 free_nfs_cb_data(data);
2730 return;
2731 }
2732
2733 res = command_data;
2734 if (res->status != NFS3_OK) {
2735 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));
2736 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2737 free_nfs_cb_data(data);
2738 return;
2739 }
2740
2741 data->cb(0, nfs, NULL, data->private_data);
2742 free_nfs_cb_data(data);
2743}
2744
2745static int nfs_rename_continue_2_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2746{
2747 struct nfs_rename_data *rename_data = data->continue_data;
2748
2749 /* steal the filehandle */
2750 rename_data->newdir.data.data_len = data->fh.data.data_len;
2751 rename_data->newdir.data.data_val = data->fh.data.data_val;
2752 data->fh.data.data_val = NULL;
2753
2754 if (rpc_nfs_rename_async(nfs->rpc, nfs_rename_cb, &rename_data->olddir, rename_data->oldobject, &rename_data->newdir, rename_data->newobject, data) != 0) {
2755 rpc_set_error(nfs->rpc, "RPC error: Failed to send RENAME call for %s", data->path);
2756 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2757 free_nfs_cb_data(data);
2758 return -1;
2759 }
2760 return 0;
2761}
2762
2763
2764static int nfs_rename_continue_1_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2765{
2766 struct nfs_rename_data *rename_data = data->continue_data;
2767
2768 /* steal the filehandle */
2769 rename_data->olddir.data.data_len = data->fh.data.data_len;
2770 rename_data->olddir.data.data_val = data->fh.data.data_val;
2771 data->fh.data.data_val = NULL;
2772
2773 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) {
2774 rpc_set_error(nfs->rpc, "RPC error: Failed to send LOOKUP call for %s", rename_data->newpath);
2775 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2776 free_nfs_cb_data(data);
2777 return -1;
2778 }
2779 data->continue_data = NULL;
2780 free_nfs_cb_data(data);
2781
2782 return 0;
2783}
2784
2785
2786int nfs_rename_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data)
2787{
2788 char *ptr;
2789 struct nfs_rename_data *rename_data;
2790
2791 rename_data = malloc(sizeof(struct nfs_rename_data));
2792 if (rename_data == NULL) {
cbbf9d3e 2793 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for rename data");
84004dbf
RS		 2794 return -1;
2795 }
ea98629a 2796 memset(rename_data, 0, sizeof(struct nfs_rename_data));
84004dbf
RS		 2797
2798 rename_data->oldpath = strdup(oldpath);
2799 if (rename_data->oldpath == NULL) {
cbbf9d3e 2800 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath");
84004dbf 2801 free_nfs_rename_data(rename_data);
cbbf9d3e 2802 return -1;
84004dbf 2803 }
93e9306f 2804 ptr = strrchr(rename_data->oldpath, '/');
84004dbf 2805 if (ptr == NULL) {
cbbf9d3e 2806 rpc_set_error(nfs->rpc, "Invalid path %s", oldpath);
84004dbf 2807 free_nfs_rename_data(rename_data);
cbbf9d3e 2808 return -1;
84004dbf
RS		 2809 }
2810 *ptr = 0;
2811 ptr++;
2812 rename_data->oldobject = ptr;
2813
2814
2815 rename_data->newpath = strdup(newpath);
2816 if (rename_data->newpath == NULL) {
cbbf9d3e 2817 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for newpath");
84004dbf 2818 free_nfs_rename_data(rename_data);
cbbf9d3e 2819 return -1;
84004dbf 2820 }
93e9306f 2821 ptr = strrchr(rename_data->newpath, '/');
84004dbf 2822 if (ptr == NULL) {
cbbf9d3e 2823 rpc_set_error(nfs->rpc, "Invalid path %s", newpath);
84004dbf 2824 free_nfs_rename_data(rename_data);
cbbf9d3e 2825 return -1;
84004dbf
RS		 2826 }
2827 *ptr = 0;
2828 ptr++;
2829 rename_data->newobject = ptr;
2830
2831
2832 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		 2833 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2834 return -1;
84004dbf
RS		 2835 }
2836
2837 return 0;
2838}
2839
2840
2841/*
2842 * Async link()
2843 */
2844struct nfs_link_data {
2845 char *oldpath;
2846 struct nfs_fh3 oldfh;
2847 char *newpath;
2848 char *newobject;
2849 struct nfs_fh3 newdir;
2850};
2851
2852static void free_nfs_link_data(void *mem)
2853{
2854 struct nfs_link_data *data = mem;
2855
2856 if (data->oldpath != NULL) {
2857 free(data->oldpath);
2858 }
2859 if (data->oldfh.data.data_val != NULL) {
2860 free(data->oldfh.data.data_val);
2861 }
2862 if (data->newpath != NULL) {
2863 free(data->newpath);
2864 }
2865 if (data->newdir.data.data_val != NULL) {
2866 free(data->newdir.data.data_val);
2867 }
2868 free(data);
2869}
2870
2871static void nfs_link_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
2872{
2873 LINK3res *res;
2874 struct nfs_cb_data *data = private_data;
2875 struct nfs_context *nfs = data->nfs;
2876 struct nfs_link_data *link_data = data->continue_data;
2877
2878 if (status == RPC_STATUS_ERROR) {
2879 data->cb(-EFAULT, nfs, command_data, data->private_data);
2880 free_nfs_cb_data(data);
2881 return;
2882 }
2883 if (status == RPC_STATUS_CANCEL) {
2884 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2885 free_nfs_cb_data(data);
2886 return;
2887 }
2888
2889 res = command_data;
2890 if (res->status != NFS3_OK) {
2891 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));
2892 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2893 free_nfs_cb_data(data);
2894 return;
2895 }
2896
2897 data->cb(0, nfs, NULL, data->private_data);
2898 free_nfs_cb_data(data);
2899}
2900
2901static int nfs_link_continue_2_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2902{
2903 struct nfs_link_data *link_data = data->continue_data;
2904
2905 /* steal the filehandle */
2906 link_data->newdir.data.data_len = data->fh.data.data_len;
2907 link_data->newdir.data.data_val = data->fh.data.data_val;
2908 data->fh.data.data_val = NULL;
2909
2910 if (rpc_nfs_link_async(nfs->rpc, nfs_link_cb, &link_data->oldfh, &link_data->newdir, link_data->newobject, data) != 0) {
2911 rpc_set_error(nfs->rpc, "RPC error: Failed to send LINK call for %s", data->path);
2912 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2913 free_nfs_cb_data(data);
2914 return -1;
2915 }
2916 return 0;
2917}
2918
2919
2920static int nfs_link_continue_1_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2921{
2922 struct nfs_link_data *link_data = data->continue_data;
2923
2924 /* steal the filehandle */
2925 link_data->oldfh.data.data_len = data->fh.data.data_len;
2926 link_data->oldfh.data.data_val = data->fh.data.data_val;
2927 data->fh.data.data_val = NULL;
2928
2929 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) {
2930 rpc_set_error(nfs->rpc, "RPC error: Failed to send LOOKUP call for %s", link_data->newpath);
2931 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2932 free_nfs_cb_data(data);
2933 return -1;
2934 }
2935 data->continue_data = NULL;
2936 free_nfs_cb_data(data);
2937
2938 return 0;
2939}
2940
2941
2942int nfs_link_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data)
2943{
2944 char *ptr;
2945 struct nfs_link_data *link_data;
2946
2947 link_data = malloc(sizeof(struct nfs_link_data));
2948 if (link_data == NULL) {
cbbf9d3e 2949 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for link data");
84004dbf
RS		 2950 return -1;
2951 }
ea98629a 2952 memset(link_data, 0, sizeof(struct nfs_link_data));
84004dbf
RS		 2953
2954 link_data->oldpath = strdup(oldpath);
2955 if (link_data->oldpath == NULL) {
cbbf9d3e 2956 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath");
84004dbf 2957 free_nfs_link_data(link_data);
cbbf9d3e 2958 return -1;
84004dbf
RS		 2959 }
2960
2961 link_data->newpath = strdup(newpath);
2962 if (link_data->newpath == NULL) {
cbbf9d3e 2963 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for newpath");
84004dbf 2964 free_nfs_link_data(link_data);
cbbf9d3e 2965 return -1;
84004dbf 2966 }
93e9306f 2967 ptr = strrchr(link_data->newpath, '/');
84004dbf 2968 if (ptr == NULL) {
cbbf9d3e 2969 rpc_set_error(nfs->rpc, "Invalid path %s", newpath);
84004dbf 2970 free_nfs_link_data(link_data);
cbbf9d3e 2971 return -1;
84004dbf
RS		 2972 }
2973 *ptr = 0;
2974 ptr++;
2975 link_data->newobject = ptr;
2976
2977
2978 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		 2979 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2980 return -1;
84004dbf
RS		 2981 }
2982
2983 return 0;
2984}
2985
2986
2987//qqq replace later with lseek()
2988off_t nfs_get_current_offset(struct nfsfh *nfsfh)
2989{
2990 return nfsfh->offset;
2991}
2992
17ef62fa
RS		 2993
2994
2995/*
2996 * Get the maximum supported READ3 size by the server
2997 */
2998size_t nfs_get_readmax(struct nfs_context *nfs)
2999{
3000 return nfs->readmax;
3001}
3002
3003/*
3004 * Get the maximum supported WRITE3 size by the server
3005 */
3006size_t nfs_get_writemax(struct nfs_context *nfs)
3007{
18c27b73
RS		 3008 /* Some XDR libraries can not marshall PDUs bigger than this */
3009 if (nfs->writemax < 32768) {
3010 return nfs->writemax;
3011 }
3012 return 32768;
17ef62fa 3013}
1896d37b
RS		 3014
3015void nfs_set_error(struct nfs_context *nfs, char *error_string, ...)
3016{
3017 va_list ap;
1e8994af 3018 char *str = NULL;
1896d37b 3019
1e8994af 3020 va_start(ap, error_string);
2606f9bb
RS		 3021 str = malloc(1024);
3022 vsnprintf(str, 1024, error_string, ap);
1896d37b
RS		 3023 if (nfs->rpc->error_string != NULL) {
3024 free(nfs->rpc->error_string);
3025 }
1896d37b 3026 nfs->rpc->error_string = str;
a8a1b858 3027 va_end(ap);
1896d37b 3028}
7f0242ca
RS		 3029
3030
3031
3032struct mount_cb_data {
3033 rpc_cb cb;
3034 void *private_data;
3035 char *server;
3036};
3037
3038static void free_mount_cb_data(struct mount_cb_data *data)
3039{
3040 if (data->server != NULL) {
3041 free(data->server);
3042 data->server = NULL;
3043 }
3044
3045 free(data);
3046}
3047
3048static void mount_export_5_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
3049{
3050 struct mount_cb_data *data = private_data;
3051
3052 if (status == RPC_STATUS_ERROR) {
3053 data->cb(rpc, -EFAULT, command_data, data->private_data);
3054 free_mount_cb_data(data);
3055 return;
3056 }
3057 if (status == RPC_STATUS_CANCEL) {
3058 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
3059 free_mount_cb_data(data);
3060 return;
3061 }
3062
3063 data->cb(rpc, 0, command_data, data->private_data);
3064 if (rpc_disconnect(rpc, "normal disconnect") != 0) {
3065 rpc_set_error(rpc, "Failed to disconnect\n");
3066 }
3067 free_mount_cb_data(data);
3068}
3069
3070static void mount_export_4_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
3071{
3072 struct mount_cb_data *data = private_data;
3073
3074 if (status == RPC_STATUS_ERROR) {
3075 data->cb(rpc, -EFAULT, command_data, data->private_data);
3076 free_mount_cb_data(data);
3077 return;
3078 }
3079 if (status == RPC_STATUS_CANCEL) {
3080 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
3081 free_mount_cb_data(data);
3082 return;
3083 }
3084
3085 if (rpc_mount_export_async(rpc, mount_export_5_cb, data) != 0) {
3086 data->cb(rpc, -ENOMEM, command_data, data->private_data);
3087 free_mount_cb_data(data);
3088 return;
3089 }
3090}
3091
3092static void mount_export_3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
3093{
3094 struct mount_cb_data *data = private_data;
3095 uint32_t mount_port;
3096
3097 if (status == RPC_STATUS_ERROR) {
3098 data->cb(rpc, -EFAULT, command_data, data->private_data);
3099 free_mount_cb_data(data);
3100 return;
3101 }
3102 if (status == RPC_STATUS_CANCEL) {
3103 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
3104 free_mount_cb_data(data);
3105 return;
3106 }
3107
3108 mount_port = *(uint32_t *)command_data;
3109 if (mount_port == 0) {
3110 rpc_set_error(rpc, "RPC error. Mount program is not available");
3111 data->cb(rpc, -ENOENT, command_data, data->private_data);
3112 free_mount_cb_data(data);
3113 return;
3114 }
3115
3116 rpc_disconnect(rpc, "normal disconnect");
3117 if (rpc_connect_async(rpc, data->server, mount_port, mount_export_4_cb, data) != 0) {
3118 data->cb(rpc, -ENOMEM, command_data, data->private_data);
3119 free_mount_cb_data(data);
3120 return;
3121 }
3122}
3123
3124static void mount_export_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
3125{
3126 struct mount_cb_data *data = private_data;
3127
3128 if (status == RPC_STATUS_ERROR) {
3129 data->cb(rpc, -EFAULT, command_data, data->private_data);
3130 free_mount_cb_data(data);
3131 return;
3132 }
3133 if (status == RPC_STATUS_CANCEL) {
3134 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
3135 free_mount_cb_data(data);
3136 return;
3137 }
3138
3139 if (rpc_pmap_getport_async(rpc, MOUNT_PROGRAM, MOUNT_V3, mount_export_3_cb, private_data) != 0) {
3140 data->cb(rpc, -ENOMEM, command_data, data->private_data);
3141 free_mount_cb_data(data);
3142 return;
3143 }
3144}
3145
3146static void mount_export_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
3147{
3148 struct mount_cb_data *data = private_data;
3149
3150 if (status == RPC_STATUS_ERROR) {
3151 data->cb(rpc, -EFAULT, command_data, data->private_data);
3152 free_mount_cb_data(data);
3153 return;
3154 }
3155 if (status == RPC_STATUS_CANCEL) {
3156 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
3157 free_mount_cb_data(data);
3158 return;
3159 }
3160
3161 if (rpc_pmap_null_async(rpc, mount_export_2_cb, data) != 0) {
3162 data->cb(rpc, -ENOMEM, command_data, data->private_data);
3163 free_mount_cb_data(data);
3164 return;
3165 }
3166}
3167
3168int mount_getexports_async(struct rpc_context *rpc, const char *server, rpc_cb cb, void *private_data)
3169{
3170 struct mount_cb_data *data;
3171
3172 data = malloc(sizeof(struct mount_cb_data));
3173 if (data == NULL) {
3174 return -1;
3175 }
ea98629a 3176 memset(data, 0, sizeof(struct mount_cb_data));
7f0242ca
RS		 3177 data->cb = cb;
3178 data->private_data = private_data;
3179 data->server = strdup(server);
3180 if (data->server == NULL) {
3181 free_mount_cb_data(data);
3182 return -1;
3183 }
3184 if (rpc_connect_async(rpc, data->server, 111, mount_export_1_cb, data) != 0) {
3185 free_mount_cb_data(data);
3186 return -1;
3187 }
3188
3189 return 0;
3190}
3191
df5af25f
RS		 3192struct rpc_context *nfs_get_rpc_context(struct nfs_context *nfs)
3193{
3194 return nfs->rpc;
3195}
3196
b077fdeb
RS		 3197const char *nfs_get_server(struct nfs_context *nfs) {
3198 return nfs->server;
3199}
3200
3201const char *nfs_get_export(struct nfs_context *nfs) {
3202 return nfs->export;
3203}
0ad9a1f1 3204
libnfs Piment Noir Debian package repository