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New version 1.1
[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
fa33813e 114void nfs_set_auth(struct nfs_context *nfs, AUTH *auth)
84004dbf 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
14a062eb
RS		 295 /* Dont want any more callbacks even if the socket is closed */
296 rpc->connect_cb = NULL;
297
84004dbf
RS		 298 if (status == RPC_STATUS_ERROR) {
299 data->cb(-EFAULT, nfs, command_data, data->private_data);
300 free_nfs_cb_data(data);
301 return;
302 }
303 if (status == RPC_STATUS_CANCEL) {
304 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
305 free_nfs_cb_data(data);
306 return;
307 }
308
309 if (rpc_nfs_null_async(rpc, nfs_mount_8_cb, data) != 0) {
310 data->cb(-ENOMEM, nfs, command_data, data->private_data);
311 free_nfs_cb_data(data);
312 return;
313 }
314}
315
316
317static void nfs_mount_6_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
318{
319 struct nfs_cb_data *data = private_data;
320 struct nfs_context *nfs = data->nfs;
321 mountres3 *res;
322
323 if (status == RPC_STATUS_ERROR) {
324 data->cb(-EFAULT, nfs, command_data, data->private_data);
325 free_nfs_cb_data(data);
326 return;
327 }
328 if (status == RPC_STATUS_CANCEL) {
329 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
330 free_nfs_cb_data(data);
331 return;
332 }
333
334 res = command_data;
335 if (res->fhs_status != MNT3_OK) {
336 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));
337 data->cb(mountstat3_to_errno(res->fhs_status), nfs, rpc_get_error(rpc), data->private_data);
338 free_nfs_cb_data(data);
339 return;
340 }
341
342 nfs->rootfh.data.data_len = res->mountres3_u.mountinfo.fhandle.fhandle3_len;
343 nfs->rootfh.data.data_val = malloc(nfs->rootfh.data.data_len);
344 if (nfs->rootfh.data.data_val == NULL) {
345 rpc_set_error(rpc, "Out of memory. Could not allocate memory to store root filehandle");
346 data->cb(-ENOMEM, nfs, rpc_get_error(rpc), data->private_data);
347 free_nfs_cb_data(data);
348 return;
349 }
350 memcpy(nfs->rootfh.data.data_val, res->mountres3_u.mountinfo.fhandle.fhandle3_val, nfs->rootfh.data.data_len);
351
352 rpc_disconnect(rpc, "normal disconnect");
353 if (rpc_connect_async(rpc, nfs->server, 2049, nfs_mount_7_cb, data) != 0) {
354 data->cb(-ENOMEM, nfs, command_data, data->private_data);
355 free_nfs_cb_data(data);
356 return;
357 }
1744ef90
RS		 358 /* NFS TCP connections we want to autoreconnect after sessions are torn down (due to inactivity or error) */
359 rpc_set_autoreconnect(rpc);
84004dbf
RS		 360}
361
362
363static void nfs_mount_5_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
364{
365 struct nfs_cb_data *data = private_data;
366 struct nfs_context *nfs = data->nfs;
367
368 if (status == RPC_STATUS_ERROR) {
369 data->cb(-EFAULT, nfs, command_data, data->private_data);
370 free_nfs_cb_data(data);
371 return;
372 }
373 if (status == RPC_STATUS_CANCEL) {
374 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
375 free_nfs_cb_data(data);
376 return;
377 }
378
379 if (rpc_mount_mnt_async(rpc, nfs_mount_6_cb, nfs->export, data) != 0) {
380 data->cb(-ENOMEM, nfs, command_data, data->private_data);
381 free_nfs_cb_data(data);
382 return;
383 }
384}
385
386static void nfs_mount_4_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
387{
388 struct nfs_cb_data *data = private_data;
389 struct nfs_context *nfs = data->nfs;
390
14a062eb
RS		 391 /* Dont want any more callbacks even if the socket is closed */
392 rpc->connect_cb = NULL;
393
84004dbf
RS		 394 if (status == RPC_STATUS_ERROR) {
395 data->cb(-EFAULT, nfs, command_data, data->private_data);
396 free_nfs_cb_data(data);
397 return;
398 }
399 if (status == RPC_STATUS_CANCEL) {
400 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
401 free_nfs_cb_data(data);
402 return;
403 }
404
405 if (rpc_mount_null_async(rpc, nfs_mount_5_cb, data) != 0) {
406 data->cb(-ENOMEM, nfs, command_data, data->private_data);
407 free_nfs_cb_data(data);
408 return;
409 }
410}
411
412static void nfs_mount_3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
413{
414 struct nfs_cb_data *data = private_data;
415 struct nfs_context *nfs = data->nfs;
416 uint32_t mount_port;
417
418 if (status == RPC_STATUS_ERROR) {
419 data->cb(-EFAULT, nfs, command_data, data->private_data);
420 free_nfs_cb_data(data);
421 return;
422 }
423 if (status == RPC_STATUS_CANCEL) {
424 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
425 free_nfs_cb_data(data);
426 return;
427 }
428
429 mount_port = *(uint32_t *)command_data;
430 if (mount_port == 0) {
431 rpc_set_error(rpc, "RPC error. Mount program is not available on %s", nfs->server);
432 data->cb(-ENOENT, nfs, command_data, data->private_data);
433 free_nfs_cb_data(data);
434 return;
435 }
436
437 rpc_disconnect(rpc, "normal disconnect");
438 if (rpc_connect_async(rpc, nfs->server, mount_port, nfs_mount_4_cb, data) != 0) {
439 data->cb(-ENOMEM, nfs, command_data, data->private_data);
440 free_nfs_cb_data(data);
441 return;
442 }
443}
444
445
446static void nfs_mount_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
447{
448 struct nfs_cb_data *data = private_data;
449 struct nfs_context *nfs = data->nfs;
450
451 if (status == RPC_STATUS_ERROR) {
452 data->cb(-EFAULT, nfs, command_data, data->private_data);
453 free_nfs_cb_data(data);
454 return;
455 }
456 if (status == RPC_STATUS_CANCEL) {
457 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
458 free_nfs_cb_data(data);
459 return;
460 }
461
462 if (rpc_pmap_getport_async(rpc, MOUNT_PROGRAM, MOUNT_V3, nfs_mount_3_cb, private_data) != 0) {
463 data->cb(-ENOMEM, nfs, command_data, data->private_data);
464 free_nfs_cb_data(data);
465 return;
466 }
467}
468
469static void nfs_mount_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
470{
471 struct nfs_cb_data *data = private_data;
472 struct nfs_context *nfs = data->nfs;
473
14a062eb
RS		 474 /* Dont want any more callbacks even if the socket is closed */
475 rpc->connect_cb = NULL;
476
84004dbf
RS		 477 if (status == RPC_STATUS_ERROR) {
478 data->cb(-EFAULT, nfs, command_data, data->private_data);
479 free_nfs_cb_data(data);
480 return;
481 }
482 if (status == RPC_STATUS_CANCEL) {
483 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
484 free_nfs_cb_data(data);
485 return;
486 }
487
488 if (rpc_pmap_null_async(rpc, nfs_mount_2_cb, data) != 0) {
489 data->cb(-ENOMEM, nfs, command_data, data->private_data);
490 free_nfs_cb_data(data);
491 return;
492 }
493}
494
495/*
496 * Async call for mounting an nfs share and geting the root filehandle
497 */
498int nfs_mount_async(struct nfs_context *nfs, const char *server, const char *export, nfs_cb cb, void *private_data)
499{
500 struct nfs_cb_data *data;
b077fdeb 501 char *new_server, *new_export;
84004dbf
RS		 502
503 data = malloc(sizeof(struct nfs_cb_data));
504 if (data == NULL) {
cbbf9d3e 505 rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for nfs mount data");
84004dbf
RS		 506 return -1;
507 }
ea98629a 508 memset(data, 0, sizeof(struct nfs_cb_data));
b077fdeb
RS		 509 new_server = strdup(server);
510 new_export = strdup(export);
511 if (nfs->server != NULL) {
512 free(nfs->server);
b077fdeb
RS		 513 }
514 nfs->server = new_server;
515 if (nfs->export != NULL) {
516 free(nfs->export);
b077fdeb
RS		 517 }
518 nfs->export = new_export;
84004dbf
RS		 519 data->nfs = nfs;
520 data->cb = cb;
521 data->private_data = private_data;
522
523 if (rpc_connect_async(nfs->rpc, server, 111, nfs_mount_1_cb, data) != 0) {
cbbf9d3e 524 rpc_set_error(nfs->rpc, "Failed to start connection");
84004dbf 525 free_nfs_cb_data(data);
cbbf9d3e 526 return -1;
84004dbf
RS		 527 }
528
529 return 0;
530}
531
532
533
534/*
535 * Functions to first look up a path, component by component, and then finally call a specific function once
536 * the filehandle for the final component is found.
537 */
538static void nfs_lookup_path_1_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
539{
540 struct nfs_cb_data *data = private_data;
541 struct nfs_context *nfs = data->nfs;
542 LOOKUP3res *res;
543
544 if (status == RPC_STATUS_ERROR) {
545 data->cb(-EFAULT, nfs, command_data, data->private_data);
546 free_nfs_cb_data(data);
547 return;
548 }
549 if (status == RPC_STATUS_CANCEL) {
550 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
551 free_nfs_cb_data(data);
552 return;
553 }
554
555 res = command_data;
556 if (res->status != NFS3_OK) {
557 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));
558 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
559 free_nfs_cb_data(data);
560 return;
561 }
562
563 if (nfs_lookup_path_async_internal(nfs, data, &res->LOOKUP3res_u.resok.object) != 0) {
564 rpc_set_error(nfs->rpc, "Failed to create lookup pdu");
565 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
566 free_nfs_cb_data(data);
567 return;
568 }
569}
570
571static int nfs_lookup_path_async_internal(struct nfs_context *nfs, struct nfs_cb_data *data, struct nfs_fh3 *fh)
572{
573 char *path, *str;
574
575 while (*data->path == '/') {
576 data->path++;
577 }
578
579 path = data->path;
93e9306f 580 str = strchr(path, '/');
84004dbf
RS		 581 if (str != NULL) {
582 *str = 0;
583 data->path = str+1;
584 } else {
585 while (*data->path != 0) {
586 data->path++;
587 }
588 }
589
590 if (*path == 0) {
591 data->fh.data.data_len = fh->data.data_len;
592 data->fh.data.data_val = malloc(data->fh.data.data_len);
593 if (data->fh.data.data_val == NULL) {
594 rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh for %s", data->path);
595 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
596 free_nfs_cb_data(data);
597 return -1;
598 }
599 memcpy(data->fh.data.data_val, fh->data.data_val, data->fh.data.data_len);
600 data->continue_cb(nfs, data);
601 return 0;
602 }
603
604 if (rpc_nfs_lookup_async(nfs->rpc, nfs_lookup_path_1_cb, fh, path, data) != 0) {
605 rpc_set_error(nfs->rpc, "RPC error: Failed to send lookup call for %s", data->path);
606 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
607 free_nfs_cb_data(data);
608 return -1;
609 }
610 return 0;
611}
612
613static 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)
614{
615 struct nfs_cb_data *data;
616
617 if (path[0] != '/') {
618 rpc_set_error(nfs->rpc, "Pathname is not absulute %s", path);
619 return -1;
620 }
621
622 data = malloc(sizeof(struct nfs_cb_data));
623 if (data == NULL) {
624 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
cbbf9d3e 625 return -1;
84004dbf 626 }
ea98629a 627 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 628 data->nfs = nfs;
629 data->cb = cb;
630 data->continue_cb = continue_cb;
631 data->continue_data = continue_data;
632 data->free_continue_data = free_continue_data;
633 data->continue_int = continue_int;
634 data->private_data = private_data;
635 data->saved_path = strdup(path);
636 if (data->saved_path == NULL) {
637 rpc_set_error(nfs->rpc, "out of memory: failed to copy path string");
84004dbf 638 free_nfs_cb_data(data);
cbbf9d3e 639 return -1;
84004dbf
RS		 640 }
641 data->path = data->saved_path;
642
643 if (nfs_lookup_path_async_internal(nfs, data, &nfs->rootfh) != 0) {
84004dbf
RS		 644 /* return 0 here since the callback will be invoked if there is a failure */
645 return 0;
646 }
647 return 0;
648}
649
650
651
652
653
654/*
655 * Async stat()
656 */
657static void nfs_stat_1_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
658{
659 GETATTR3res *res;
660 struct nfs_cb_data *data = private_data;
661 struct nfs_context *nfs = data->nfs;
662 struct stat st;
663
664 if (status == RPC_STATUS_ERROR) {
665 data->cb(-EFAULT, nfs, command_data, data->private_data);
666 free_nfs_cb_data(data);
667 return;
668 }
669 if (status == RPC_STATUS_CANCEL) {
670 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
671 free_nfs_cb_data(data);
672 return;
673 }
674
675 res = command_data;
676 if (res->status != NFS3_OK) {
677 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));
678 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
679 free_nfs_cb_data(data);
680 return;
681 }
682
683 st.st_dev = -1;
684 st.st_ino = res->GETATTR3res_u.resok.obj_attributes.fileid;
685 st.st_mode = res->GETATTR3res_u.resok.obj_attributes.mode;
e8cab72a
RS		 686 if (res->GETATTR3res_u.resok.obj_attributes.type == NF3DIR) {
687 st.st_mode |= S_IFDIR ;
688 }
84004dbf
RS		 689 st.st_nlink = res->GETATTR3res_u.resok.obj_attributes.nlink;
690 st.st_uid = res->GETATTR3res_u.resok.obj_attributes.uid;
691 st.st_gid = res->GETATTR3res_u.resok.obj_attributes.gid;
692 st.st_rdev = 0;
693 st.st_size = res->GETATTR3res_u.resok.obj_attributes.size;
a8a1b858 694#ifndef WIN32
84004dbf
RS		 695 st.st_blksize = 4096;
696 st.st_blocks = res->GETATTR3res_u.resok.obj_attributes.size / 4096;
a8a1b858 697#endif//WIN32
84004dbf
RS		 698 st.st_atime = res->GETATTR3res_u.resok.obj_attributes.atime.seconds;
699 st.st_mtime = res->GETATTR3res_u.resok.obj_attributes.mtime.seconds;
700 st.st_ctime = res->GETATTR3res_u.resok.obj_attributes.ctime.seconds;
701
702 data->cb(0, nfs, &st, data->private_data);
703 free_nfs_cb_data(data);
704}
705
706static int nfs_stat_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
707{
708 if (rpc_nfs_getattr_async(nfs->rpc, nfs_stat_1_cb, &data->fh, data) != 0) {
709 rpc_set_error(nfs->rpc, "RPC error: Failed to send STAT GETATTR call for %s", data->path);
710 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
711 free_nfs_cb_data(data);
712 return -1;
713 }
714 return 0;
715}
716
717int nfs_stat_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
718{
719 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_stat_continue_internal, NULL, NULL, 0) != 0) {
cbbf9d3e 720 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 721 return -1;
722 }
723
724 return 0;
725}
726
727
728
729
730
731/*
732 * Async open()
733 */
734static void nfs_open_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
735{
736 ACCESS3res *res;
737 struct nfs_cb_data *data = private_data;
738 struct nfs_context *nfs = data->nfs;
739 struct nfsfh *nfsfh;
740 unsigned int nfsmode = 0;
741
742 if (status == RPC_STATUS_ERROR) {
743 data->cb(-EFAULT, nfs, command_data, data->private_data);
744 free_nfs_cb_data(data);
745 return;
746 }
747 if (status == RPC_STATUS_CANCEL) {
748 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
749 free_nfs_cb_data(data);
750 return;
751 }
752
753 res = command_data;
754 if (res->status != NFS3_OK) {
755 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));
756 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
757 free_nfs_cb_data(data);
758 return;
759 }
760
761 if (data->continue_int & O_WRONLY) {
762 nfsmode |= ACCESS3_MODIFY;
763 }
764 if (data->continue_int & O_RDWR) {
765 nfsmode |= ACCESS3_READ|ACCESS3_MODIFY;
766 }
767 if (!(data->continue_int & (O_WRONLY|O_RDWR))) {
768 nfsmode |= ACCESS3_READ;
769 }
770
771
772 if (res->ACCESS3res_u.resok.access != nfsmode) {
773 rpc_set_error(nfs->rpc, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c",
774 nfsmode&ACCESS3_READ?'r':'-',
775 nfsmode&ACCESS3_MODIFY?'w':'-',
776 nfsmode&ACCESS3_EXECUTE?'x':'-',
777 res->ACCESS3res_u.resok.access&ACCESS3_READ?'r':'-',
778 res->ACCESS3res_u.resok.access&ACCESS3_MODIFY?'w':'-',
779 res->ACCESS3res_u.resok.access&ACCESS3_EXECUTE?'x':'-');
780 data->cb(-EACCES, nfs, rpc_get_error(nfs->rpc), data->private_data);
781 free_nfs_cb_data(data);
782 return;
783 }
784
785 nfsfh = malloc(sizeof(struct nfsfh));
786 if (nfsfh == NULL) {
787 rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure");
788 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
789 free_nfs_cb_data(data);
790 return;
791 }
ea98629a 792 memset(nfsfh, 0, sizeof(struct nfsfh));
84004dbf
RS		 793
794 if (data->continue_int & O_SYNC) {
795 nfsfh->is_sync = 1;
796 }
797
798 /* steal the filehandle */
799 nfsfh->fh.data.data_len = data->fh.data.data_len;
800 nfsfh->fh.data.data_val = data->fh.data.data_val;
801 data->fh.data.data_val = NULL;
802
803 data->cb(0, nfs, nfsfh, data->private_data);
804 free_nfs_cb_data(data);
805}
806
807static int nfs_open_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
808{
809 int nfsmode = 0;
810
811 if (data->continue_int & O_WRONLY) {
812 nfsmode |= ACCESS3_MODIFY;
813 }
814 if (data->continue_int & O_RDWR) {
815 nfsmode |= ACCESS3_READ|ACCESS3_MODIFY;
816 }
817 if (!(data->continue_int & (O_WRONLY|O_RDWR))) {
818 nfsmode |= ACCESS3_READ;
819 }
820
821 if (rpc_nfs_access_async(nfs->rpc, nfs_open_cb, &data->fh, nfsmode, data) != 0) {
822 rpc_set_error(nfs->rpc, "RPC error: Failed to send OPEN ACCESS call for %s", data->path);
823 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
824 free_nfs_cb_data(data);
825 return -1;
826 }
827 return 0;
828}
829
830int nfs_open_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data)
831{
832 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_open_continue_internal, NULL, NULL, mode) != 0) {
cbbf9d3e
RS		 833 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
834 return -1;
84004dbf
RS		 835 }
836
837 return 0;
838}
839
840
841
842
843
844/*
845 * Async pread()
846 */
847static void nfs_pread_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
848{
849 struct nfs_cb_data *data = private_data;
850 struct nfs_context *nfs = data->nfs;
851 READ3res *res;
852
853 if (status == RPC_STATUS_ERROR) {
854 data->cb(-EFAULT, nfs, command_data, data->private_data);
855 free_nfs_cb_data(data);
856 return;
857 }
858 if (status == RPC_STATUS_CANCEL) {
859 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
860 free_nfs_cb_data(data);
861 return;
862 }
863
864 res = command_data;
865 if (res->status != NFS3_OK) {
866 rpc_set_error(nfs->rpc, "NFS: Read failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
867 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
868 free_nfs_cb_data(data);
869 return;
870 }
871
872 data->nfsfh->offset += res->READ3res_u.resok.count;
873 data->cb(res->READ3res_u.resok.count, nfs, res->READ3res_u.resok.data.data_val, data->private_data);
874 free_nfs_cb_data(data);
875}
876
921f877b
RS		 877static void nfs_pread_mcb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
878{
879 struct nfs_mcb_data *mdata = private_data;
880 struct nfs_cb_data *data = mdata->data;
881 struct nfs_context *nfs = data->nfs;
882 READ3res *res;
883
884 data->num_calls--;
885
886 if (status == RPC_STATUS_ERROR) {
887 /* flag the failure but do not invoke callback until we have received all responses */
888 data->error = 1;
889 }
890 if (status == RPC_STATUS_CANCEL) {
891 /* flag the cancellation but do not invoke callback until we have received all responses */
892 data->cancel = 1;
893 }
894
895 /* reassemble the data into the buffer */
896 if (status == RPC_STATUS_SUCCESS) {
897 res = command_data;
898 if (res->status != NFS3_OK) {
899 rpc_set_error(nfs->rpc, "NFS: Read failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
900 data->error = 1;
e4a5ba42
RS		 901 } else {
902 if (res->READ3res_u.resok.count > 0) {
903 memcpy(&data->buffer[mdata->offset - data->start_offset], res->READ3res_u.resok.data.data_val, res->READ3res_u.resok.count);
904 if ((unsigned)data->max_offset < mdata->offset + res->READ3res_u.resok.count) {
905 data->max_offset = mdata->offset + res->READ3res_u.resok.count;
906 }
921f877b
RS		 907 }
908 }
909 }
910
911 if (data->num_calls > 0) {
912 /* still waiting for more replies */
913 free(mdata);
914 return;
915 }
916
921f877b
RS		 917 if (data->error != 0) {
918 data->cb(-EFAULT, nfs, command_data, data->private_data);
919 free_nfs_cb_data(data);
920 free(mdata);
921 return;
922 }
923 if (data->cancel != 0) {
924 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
925 free_nfs_cb_data(data);
926 free(mdata);
927 return;
928 }
929
930 data->nfsfh->offset = data->max_offset;
7ed9d87a
RS		 931 data->cb(data->max_offset - data->start_offset, nfs, data->buffer, data->private_data);
932
921f877b
RS		 933 free_nfs_cb_data(data);
934 free(mdata);
935}
936
84004dbf
RS		 937int nfs_pread_async(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t offset, size_t count, nfs_cb cb, void *private_data)
938{
939 struct nfs_cb_data *data;
940
941 data = malloc(sizeof(struct nfs_cb_data));
942 if (data == NULL) {
943 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 944 return -1;
945 }
ea98629a 946 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 947 data->nfs = nfs;
948 data->cb = cb;
949 data->private_data = private_data;
950 data->nfsfh = nfsfh;
951
952 nfsfh->offset = offset;
921f877b
RS		 953
954 if (count <= nfs_get_readmax(nfs)) {
955 if (rpc_nfs_read_async(nfs->rpc, nfs_pread_cb, &nfsfh->fh, offset, count, data) != 0) {
956 rpc_set_error(nfs->rpc, "RPC error: Failed to send READ call for %s", data->path);
957 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
958 free_nfs_cb_data(data);
959 return -1;
960 }
961 return 0;
962 }
963
964 /* trying to read more than maximum server read size, we has to chop it up into smaller
965 * reads and collect into a reassembly buffer.
966 * we send all reads in parallell so that performance is still good.
967 */
7ed9d87a 968 data->max_offset = offset;
921f877b
RS		 969 data->start_offset = offset;
970
971 data->buffer = malloc(count);
972 if (data->buffer == NULL) {
973 rpc_set_error(nfs->rpc, "Out-Of-Memory: Failed to allocate reassembly buffer for %d bytes", (int)count);
84004dbf
RS		 974 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
975 free_nfs_cb_data(data);
976 return -1;
977 }
921f877b
RS		 978
979 while (count > 0) {
980 size_t readcount = count;
981 struct nfs_mcb_data *mdata;
982
983 if (readcount > nfs_get_readmax(nfs)) {
984 readcount = nfs_get_readmax(nfs);
985 }
986
987 mdata = malloc(sizeof(struct nfs_mcb_data));
988 if (mdata == NULL) {
989 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_mcb_data structure");
921f877b
RS		 990 return -1;
991 }
ea98629a 992 memset(mdata, 0, sizeof(struct nfs_mcb_data));
921f877b
RS		 993 mdata->data = data;
994 mdata->offset = offset;
995 mdata->count = readcount;
921f877b
RS		 996 if (rpc_nfs_read_async(nfs->rpc, nfs_pread_mcb, &nfsfh->fh, offset, readcount, mdata) != 0) {
997 rpc_set_error(nfs->rpc, "RPC error: Failed to send READ call for %s", data->path);
998 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
999 free(mdata);
1000 return -1;
1001 }
1002
1003 count -= readcount;
1004 offset += readcount;
1005 data->num_calls++;
1006 }
1007
1008 return 0;
84004dbf
RS		 1009}
1010
1011/*
1012 * Async read()
1013 */
1014int nfs_read_async(struct nfs_context *nfs, struct nfsfh *nfsfh, size_t count, nfs_cb cb, void *private_data)
1015{
1016 return nfs_pread_async(nfs, nfsfh, nfsfh->offset, count, cb, private_data);
1017}
1018
1019
1020
1021/*
1022 * Async pwrite()
1023 */
1024static void nfs_pwrite_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
1025{
1026 struct nfs_cb_data *data = private_data;
1027 struct nfs_context *nfs = data->nfs;
1028 WRITE3res *res;
1029
1030 if (status == RPC_STATUS_ERROR) {
1031 data->cb(-EFAULT, nfs, command_data, data->private_data);
1032 free_nfs_cb_data(data);
1033 return;
1034 }
1035 if (status == RPC_STATUS_CANCEL) {
1036 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1037 free_nfs_cb_data(data);
1038 return;
1039 }
1040
1041 res = command_data;
1042 if (res->status != NFS3_OK) {
1043 rpc_set_error(nfs->rpc, "NFS: Write failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1044 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1045 free_nfs_cb_data(data);
1046 return;
1047 }
1048
1049 data->nfsfh->offset += res->WRITE3res_u.resok.count;
1050 data->cb(res->WRITE3res_u.resok.count, nfs, NULL, data->private_data);
1051 free_nfs_cb_data(data);
1052}
1053
18c27b73
RS		 1054static void nfs_pwrite_mcb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
1055{
1056 struct nfs_mcb_data *mdata = private_data;
1057 struct nfs_cb_data *data = mdata->data;
1058 struct nfs_context *nfs = data->nfs;
1059 WRITE3res *res;
1060
1061 data->num_calls--;
1062
1063 if (status == RPC_STATUS_ERROR) {
1064 /* flag the failure but do not invoke callback until we have received all responses */
1065 data->error = 1;
1066 }
1067 if (status == RPC_STATUS_CANCEL) {
1068 /* flag the cancellation but do not invoke callback until we have received all responses */
1069 data->cancel = 1;
1070 }
1071
1072 if (status == RPC_STATUS_SUCCESS) {
1073 res = command_data;
1074 if (res->status != NFS3_OK) {
1075 rpc_set_error(nfs->rpc, "NFS: Write failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1076 data->error = 1;
1077 } else {
1078 if (res->WRITE3res_u.resok.count > 0) {
1079 if ((unsigned)data->max_offset < mdata->offset + res->WRITE3res_u.resok.count) {
1080 data->max_offset = mdata->offset + res->WRITE3res_u.resok.count;
1081 }
1082 }
1083 }
1084 }
1085
1086 if (data->num_calls > 0) {
1087 /* still waiting for more replies */
1088 free(mdata);
1089 return;
1090 }
1091
1092 if (data->error != 0) {
1093 data->cb(-EFAULT, nfs, command_data, data->private_data);
1094 free_nfs_cb_data(data);
1095 free(mdata);
1096 return;
1097 }
1098 if (data->cancel != 0) {
1099 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1100 free_nfs_cb_data(data);
1101 free(mdata);
1102 return;
1103 }
1104
1105 data->nfsfh->offset = data->max_offset;
1106 data->cb(data->max_offset - data->start_offset, nfs, NULL, data->private_data);
1107
1108 free_nfs_cb_data(data);
1109 free(mdata);
1110}
1111
1112
84004dbf
RS		 1113int nfs_pwrite_async(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t offset, size_t count, char *buf, nfs_cb cb, void *private_data)
1114{
1115 struct nfs_cb_data *data;
1116
1117 data = malloc(sizeof(struct nfs_cb_data));
1118 if (data == NULL) {
1119 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1120 return -1;
1121 }
ea98629a 1122 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1123 data->nfs = nfs;
1124 data->cb = cb;
1125 data->private_data = private_data;
1126 data->nfsfh = nfsfh;
1127
1128 nfsfh->offset = offset;
18c27b73
RS		 1129
1130 if (count <= nfs_get_writemax(nfs)) {
1131 if (rpc_nfs_write_async(nfs->rpc, nfs_pwrite_cb, &nfsfh->fh, buf, offset, count, nfsfh->is_sync?FILE_SYNC:UNSTABLE, data) != 0) {
1132 rpc_set_error(nfs->rpc, "RPC error: Failed to send WRITE call for %s", data->path);
1133 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1134 free_nfs_cb_data(data);
1135 return -1;
1136 }
1137 return 0;
84004dbf 1138 }
18c27b73
RS		 1139
1140 /* trying to write more than maximum server write size, we has to chop it up into smaller
1141 * chunks.
1142 * we send all writes in parallell so that performance is still good.
1143 */
1144 data->max_offset = offset;
1145 data->start_offset = offset;
1146
1147 while (count > 0) {
1148 size_t writecount = count;
1149 struct nfs_mcb_data *mdata;
1150
1151 if (writecount > nfs_get_writemax(nfs)) {
1152 writecount = nfs_get_writemax(nfs);
1153 }
1154
1155 mdata = malloc(sizeof(struct nfs_mcb_data));
1156 if (mdata == NULL) {
1157 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_mcb_data structure");
1158 return -1;
1159 }
1160 memset(mdata, 0, sizeof(struct nfs_mcb_data));
1161 mdata->data = data;
1162 mdata->offset = offset;
1163 mdata->count = writecount;
1164
1165 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) {
1166 rpc_set_error(nfs->rpc, "RPC error: Failed to send WRITE call for %s", data->path);
1167 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1168 free(mdata);
1169 return -1;
1170 }
1171
1172 count -= writecount;
1173 offset += writecount;
1174 data->num_calls++;
1175 }
1176
84004dbf
RS		 1177 return 0;
1178}
1179
1180/*
1181 * Async write()
1182 */
1183int nfs_write_async(struct nfs_context *nfs, struct nfsfh *nfsfh, size_t count, char *buf, nfs_cb cb, void *private_data)
1184{
1185 return nfs_pwrite_async(nfs, nfsfh, nfsfh->offset, count, buf, cb, private_data);
1186}
1187
1188
1189
1190
1191/*
1192 * close
1193 */
1194
1195int nfs_close_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data)
1196{
1197 if (nfsfh->fh.data.data_val != NULL){
1198 free(nfsfh->fh.data.data_val);
1199 nfsfh->fh.data.data_val = NULL;
1200 }
1201 free(nfsfh);
1202
1203 cb(0, nfs, NULL, private_data);
1204 return 0;
1205};
1206
1207
1208
1209
1210
1211/*
1212 * Async fstat()
1213 */
1214int nfs_fstat_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data)
1215{
1216 struct nfs_cb_data *data;
1217
1218 data = malloc(sizeof(struct nfs_cb_data));
1219 if (data == NULL) {
1220 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1221 return -1;
1222 }
ea98629a 1223 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1224 data->nfs = nfs;
1225 data->cb = cb;
1226 data->private_data = private_data;
1227
1228 if (rpc_nfs_getattr_async(nfs->rpc, nfs_stat_1_cb, &nfsfh->fh, data) != 0) {
1229 rpc_set_error(nfs->rpc, "RPC error: Failed to send STAT GETATTR call for %s", data->path);
1230 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1231 free_nfs_cb_data(data);
1232 return -1;
1233 }
1234 return 0;
1235}
1236
1237
1238
1239/*
1240 * Async fsync()
1241 */
1242static void nfs_fsync_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
1243{
1244 struct nfs_cb_data *data = private_data;
1245 struct nfs_context *nfs = data->nfs;
1246 COMMIT3res *res;
1247
1248 if (status == RPC_STATUS_ERROR) {
1249 data->cb(-EFAULT, nfs, command_data, data->private_data);
1250 free_nfs_cb_data(data);
1251 return;
1252 }
1253 if (status == RPC_STATUS_CANCEL) {
1254 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1255 free_nfs_cb_data(data);
1256 return;
1257 }
1258
1259 res = command_data;
1260 if (res->status != NFS3_OK) {
1261 rpc_set_error(nfs->rpc, "NFS: Commit failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1262 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1263 free_nfs_cb_data(data);
1264 return;
1265 }
1266
1267 data->cb(0, nfs, NULL, data->private_data);
1268 free_nfs_cb_data(data);
1269}
1270
1271int nfs_fsync_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data)
1272{
1273 struct nfs_cb_data *data;
1274
1275 data = malloc(sizeof(struct nfs_cb_data));
1276 if (data == NULL) {
1277 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1278 return -1;
1279 }
ea98629a 1280 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1281 data->nfs = nfs;
1282 data->cb = cb;
1283 data->private_data = private_data;
1284
1285 if (rpc_nfs_commit_async(nfs->rpc, nfs_fsync_cb, &nfsfh->fh, data) != 0) {
1286 rpc_set_error(nfs->rpc, "RPC error: Failed to send COMMIT call for %s", data->path);
1287 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1288 free_nfs_cb_data(data);
1289 return -1;
1290 }
1291 return 0;
1292}
1293
1294
1295
1296
1297/*
1298 * Async ftruncate()
1299 */
1300static void nfs_ftruncate_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
1301{
1302 struct nfs_cb_data *data = private_data;
1303 struct nfs_context *nfs = data->nfs;
1304 SETATTR3res *res;
1305
1306 if (status == RPC_STATUS_ERROR) {
1307 data->cb(-EFAULT, nfs, command_data, data->private_data);
1308 free_nfs_cb_data(data);
1309 return;
1310 }
1311 if (status == RPC_STATUS_CANCEL) {
1312 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1313 free_nfs_cb_data(data);
1314 return;
1315 }
1316
1317 res = command_data;
1318 if (res->status != NFS3_OK) {
1319 rpc_set_error(nfs->rpc, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1320 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1321 free_nfs_cb_data(data);
1322 return;
1323 }
1324
1325 data->cb(0, nfs, NULL, data->private_data);
1326 free_nfs_cb_data(data);
1327}
1328
1329int nfs_ftruncate_async(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t length, nfs_cb cb, void *private_data)
1330{
1331 struct nfs_cb_data *data;
1332 SETATTR3args args;
1333
1334 data = malloc(sizeof(struct nfs_cb_data));
1335 if (data == NULL) {
1336 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1337 return -1;
1338 }
ea98629a 1339 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1340 data->nfs = nfs;
1341 data->cb = cb;
1342 data->private_data = private_data;
1343
ea98629a 1344 memset(&args, 0, sizeof(SETATTR3args));
84004dbf
RS		 1345 args.object.data.data_len = nfsfh->fh.data.data_len;
1346 args.object.data.data_val = nfsfh->fh.data.data_val;
1347 args.new_attributes.size.set_it = 1;
1348 args.new_attributes.size.set_size3_u.size = length;
1349
1350 if (rpc_nfs_setattr_async(nfs->rpc, nfs_ftruncate_cb, &args, data) != 0) {
1351 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
1352 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1353 free_nfs_cb_data(data);
1354 return -1;
1355 }
1356 return 0;
1357}
1358
1359
1360/*
1361 * Async truncate()
1362 */
1363static int nfs_truncate_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
1364{
1365 off_t offset = data->continue_int;
1366 struct nfsfh nfsfh;
1367
1368 nfsfh.fh.data.data_val = data->fh.data.data_val;
1369 nfsfh.fh.data.data_len = data->fh.data.data_len;
1370
1371 if (nfs_ftruncate_async(nfs, &nfsfh, offset, data->cb, data->private_data) != 0) {
1372 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
1373 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1374 free_nfs_cb_data(data);
1375 return -1;
1376 }
1377 free_nfs_cb_data(data);
1378 return 0;
1379}
1380
1381int nfs_truncate_async(struct nfs_context *nfs, const char *path, off_t length, nfs_cb cb, void *private_data)
1382{
1383 off_t offset;
1384
1385 offset = length;
1386
1387 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_truncate_continue_internal, NULL, NULL, offset) != 0) {
cbbf9d3e
RS		 1388 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
1389 return -1;
84004dbf
RS		 1390 }
1391
1392 return 0;
1393}
1394
1395
1396
1397
1398/*
1399 * Async mkdir()
1400 */
1401static void nfs_mkdir_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
1402{
1403 MKDIR3res *res;
1404 struct nfs_cb_data *data = private_data;
1405 struct nfs_context *nfs = data->nfs;
1406 char *str = data->continue_data;
1407
1408 str = &str[strlen(str) + 1];
1409
1410 if (status == RPC_STATUS_ERROR) {
1411 data->cb(-EFAULT, nfs, command_data, data->private_data);
1412 free_nfs_cb_data(data);
1413 return;
1414 }
1415 if (status == RPC_STATUS_CANCEL) {
1416 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1417 free_nfs_cb_data(data);
1418 return;
1419 }
1420
1421 res = command_data;
1422 if (res->status != NFS3_OK) {
1423 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));
1424 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1425 free_nfs_cb_data(data);
1426 return;
1427 }
1428
1429 data->cb(0, nfs, NULL, data->private_data);
1430 free_nfs_cb_data(data);
1431}
1432
1433static int nfs_mkdir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
1434{
1435 char *str = data->continue_data;
1436
1437 str = &str[strlen(str) + 1];
1438
1439 if (rpc_nfs_mkdir_async(nfs->rpc, nfs_mkdir_cb, &data->fh, str, data) != 0) {
1440 rpc_set_error(nfs->rpc, "RPC error: Failed to send MKDIR call for %s", data->path);
1441 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1442 free_nfs_cb_data(data);
1443 return -1;
1444 }
1445 return 0;
1446}
1447
1448int nfs_mkdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
1449{
1450 char *new_path;
1451 char *ptr;
1452
1453 new_path = strdup(path);
1454 if (new_path == NULL) {
cbbf9d3e 1455 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 1456 return -1;
1457 }
1458
93e9306f 1459 ptr = strrchr(new_path, '/');
84004dbf 1460 if (ptr == NULL) {
cbbf9d3e
RS		 1461 rpc_set_error(nfs->rpc, "Invalid path %s", path);
1462 return -1;
84004dbf
RS		 1463 }
1464 *ptr = 0;
1465
1466 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
1467 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_mkdir_continue_internal, new_path, free, 0) != 0) {
cbbf9d3e
RS		 1468 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path component");
1469 return -1;
84004dbf
RS		 1470 }
1471
1472 return 0;
1473}
1474
1475
1476
1477
1478
1479/*
1480 * Async rmdir()
1481 */
1482static void nfs_rmdir_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
1483{
1484 RMDIR3res *res;
1485 struct nfs_cb_data *data = private_data;
1486 struct nfs_context *nfs = data->nfs;
1487 char *str = data->continue_data;
1488
1489 str = &str[strlen(str) + 1];
1490
1491 if (status == RPC_STATUS_ERROR) {
1492 data->cb(-EFAULT, nfs, command_data, data->private_data);
1493 free_nfs_cb_data(data);
1494 return;
1495 }
1496 if (status == RPC_STATUS_CANCEL) {
1497 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1498 free_nfs_cb_data(data);
1499 return;
1500 }
1501
1502 res = command_data;
1503 if (res->status != NFS3_OK) {
1504 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));
1505 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1506 free_nfs_cb_data(data);
1507 return;
1508 }
1509
1510 data->cb(0, nfs, NULL, data->private_data);
1511 free_nfs_cb_data(data);
1512}
1513
1514static int nfs_rmdir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
1515{
1516 char *str = data->continue_data;
1517
1518 str = &str[strlen(str) + 1];
1519
1520 if (rpc_nfs_rmdir_async(nfs->rpc, nfs_rmdir_cb, &data->fh, str, data) != 0) {
1521 rpc_set_error(nfs->rpc, "RPC error: Failed to send RMDIR call for %s", data->path);
1522 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1523 free_nfs_cb_data(data);
1524 return -1;
1525 }
1526 return 0;
1527}
1528
1529int nfs_rmdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
1530{
1531 char *new_path;
1532 char *ptr;
1533
1534 new_path = strdup(path);
1535 if (new_path == NULL) {
cbbf9d3e 1536 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 1537 return -1;
1538 }
1539
93e9306f 1540 ptr = strrchr(new_path, '/');
84004dbf 1541 if (ptr == NULL) {
cbbf9d3e
RS		 1542 rpc_set_error(nfs->rpc, "Invalid path %s", path);
1543 return -1;
84004dbf
RS		 1544 }
1545 *ptr = 0;
1546
1547 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
1548 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_rmdir_continue_internal, new_path, free, 0) != 0) {
cbbf9d3e
RS		 1549 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
1550 return -1;
84004dbf
RS		 1551 }
1552
1553 return 0;
1554}
1555
1556
1557
1558
1559/*
1560 * Async creat()
1561 */
1562static void nfs_create_2_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
1563{
1564 LOOKUP3res *res;
1565 struct nfs_cb_data *data = private_data;
1566 struct nfs_context *nfs = data->nfs;
1567 struct nfsfh *nfsfh;
1568 char *str = data->continue_data;
1569
1570 if (status == RPC_STATUS_ERROR) {
1571 data->cb(-EFAULT, nfs, command_data, data->private_data);
1572 free_nfs_cb_data(data);
1573 return;
1574 }
1575 if (status == RPC_STATUS_CANCEL) {
1576 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1577 free_nfs_cb_data(data);
1578 return;
1579 }
1580
1581 str = &str[strlen(str) + 1];
1582 res = command_data;
1583 if (res->status != NFS3_OK) {
1584 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));
1585 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1586
1587 return;
1588 }
1589
1590 nfsfh = malloc(sizeof(struct nfsfh));
1591 if (nfsfh == NULL) {
1592 rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure");
1593 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1594 free_nfs_cb_data(data);
1595 return;
1596 }
ea98629a 1597 memset(nfsfh, 0, sizeof(struct nfsfh));
84004dbf
RS		 1598
1599 /* steal the filehandle */
1600 nfsfh->fh.data.data_len = data->fh.data.data_len;
1601 nfsfh->fh.data.data_val = data->fh.data.data_val;
1602 data->fh.data.data_val = NULL;
1603
1604 data->cb(0, nfs, nfsfh, data->private_data);
1605 free_nfs_cb_data(data);
1606}
1607
1608
1609
1610static void nfs_creat_1_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
1611{
1612 CREATE3res *res;
1613 struct nfs_cb_data *data = private_data;
1614 struct nfs_context *nfs = data->nfs;
1615 char *str = data->continue_data;
1616
1617 if (status == RPC_STATUS_ERROR) {
1618 data->cb(-EFAULT, nfs, command_data, data->private_data);
1619 free_nfs_cb_data(data);
1620 return;
1621 }
1622 if (status == RPC_STATUS_CANCEL) {
1623 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1624 free_nfs_cb_data(data);
1625 return;
1626 }
1627
1628 str = &str[strlen(str) + 1];
1629 res = command_data;
1630 if (res->status != NFS3_OK) {
1631 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));
1632 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1633
1634 return;
1635 }
1636
1637 if (rpc_nfs_lookup_async(nfs->rpc, nfs_create_2_cb, &data->fh, str, data) != 0) {
1638 rpc_set_error(nfs->rpc, "RPC error: Failed to send lookup call for %s/%s", data->saved_path, str);
1639 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1640 free_nfs_cb_data(data);
1641 return;
1642 }
1643 return;
1644}
1645
1646static int nfs_creat_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
1647{
1648 char *str = data->continue_data;
1649
1650 str = &str[strlen(str) + 1];
1651
1652 if (rpc_nfs_create_async(nfs->rpc, nfs_creat_1_cb, &data->fh, str, data->continue_int, data) != 0) {
1653 rpc_set_error(nfs->rpc, "RPC error: Failed to send CREATE call for %s/%s", data->path, str);
1654 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1655 free_nfs_cb_data(data);
1656 return -1;
1657 }
1658 return 0;
1659}
1660
1661int nfs_creat_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data)
1662{
1663 char *new_path;
1664 char *ptr;
1665
1666 new_path = strdup(path);
1667 if (new_path == NULL) {
cbbf9d3e 1668 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 1669 return -1;
1670 }
1671
93e9306f 1672 ptr = strrchr(new_path, '/');
84004dbf 1673 if (ptr == NULL) {
cbbf9d3e
RS		 1674 rpc_set_error(nfs->rpc, "Invalid path %s", path);
1675 return -1;
84004dbf
RS		 1676 }
1677 *ptr = 0;
1678
1679 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
1680 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_creat_continue_internal, new_path, free, mode) != 0) {
cbbf9d3e
RS		 1681 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
1682 return -1;
84004dbf
RS		 1683 }
1684
1685 return 0;
1686}
1687
1688
1689
1690
1691/*
1692 * Async unlink()
1693 */
1694static void nfs_unlink_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
1695{
1696 REMOVE3res *res;
1697 struct nfs_cb_data *data = private_data;
1698 struct nfs_context *nfs = data->nfs;
1699 char *str = data->continue_data;
1700
1701 str = &str[strlen(str) + 1];
1702
1703 if (status == RPC_STATUS_ERROR) {
1704 data->cb(-EFAULT, nfs, command_data, data->private_data);
1705 free_nfs_cb_data(data);
1706 return;
1707 }
1708 if (status == RPC_STATUS_CANCEL) {
1709 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1710 free_nfs_cb_data(data);
1711 return;
1712 }
1713
1714 res = command_data;
1715 if (res->status != NFS3_OK) {
1716 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));
1717 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1718 free_nfs_cb_data(data);
1719 return;
1720 }
1721
1722 data->cb(0, nfs, NULL, data->private_data);
1723 free_nfs_cb_data(data);
1724}
1725
1726static int nfs_unlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
1727{
1728 char *str = data->continue_data;
1729
1730 str = &str[strlen(str) + 1];
1731
1732 if (rpc_nfs_remove_async(nfs->rpc, nfs_unlink_cb, &data->fh, str, data) != 0) {
1733 rpc_set_error(nfs->rpc, "RPC error: Failed to send REMOVE call for %s", data->path);
1734 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1735 free_nfs_cb_data(data);
1736 return -1;
1737 }
1738 return 0;
1739}
1740
1741int nfs_unlink_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
1742{
1743 char *new_path;
1744 char *ptr;
1745
1746 new_path = strdup(path);
1747 if (new_path == NULL) {
cbbf9d3e 1748 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 1749 return -1;
1750 }
1751
93e9306f 1752 ptr = strrchr(new_path, '/');
84004dbf 1753 if (ptr == NULL) {
cbbf9d3e
RS		 1754 rpc_set_error(nfs->rpc, "Invalid path %s", path);
1755 return -1;
84004dbf
RS		 1756 }
1757 *ptr = 0;
1758
1759 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
1760 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_unlink_continue_internal, new_path, free, 0) != 0) {
cbbf9d3e
RS		 1761 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
1762 return -1;
84004dbf
RS		 1763 }
1764
1765 return 0;
1766}
1767
1768
1769
84004dbf
RS		 1770/*
1771 * Async opendir()
1772 */
fb69c64c
RS		 1773
1774/* ReadDirPlus Emulation Callback data */
1775struct rdpe_cb_data {
1776 int getattrcount;
1777 int status;
1778 struct nfs_cb_data *data;
1779};
1780
1781/* ReadDirPlus Emulation LOOKUP Callback data */
1782struct rdpe_lookup_cb_data {
1783 struct rdpe_cb_data *rdpe_cb_data;
1784 struct nfsdirent *nfsdirent;
1785};
1786
1787/* Workaround for servers lacking READDIRPLUS, use READDIR instead and a GETATTR-loop */
1788static void nfs_opendir3_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
84004dbf 1789{
fb69c64c
RS		 1790 LOOKUP3res *res = command_data;
1791 struct rdpe_lookup_cb_data *rdpe_lookup_cb_data = private_data;
1792 struct rdpe_cb_data *rdpe_cb_data = rdpe_lookup_cb_data->rdpe_cb_data;
1793 struct nfs_cb_data *data = rdpe_cb_data->data;
1794 struct nfsdir *nfsdir = data->continue_data;
1795 struct nfs_context *nfs = data->nfs;
1796 struct nfsdirent *nfsdirent = rdpe_lookup_cb_data->nfsdirent;
1797
1798 free(rdpe_lookup_cb_data);
1799
1800 rdpe_cb_data->getattrcount--;
1801
1802 if (status == RPC_STATUS_ERROR) {
1803 rdpe_cb_data->status = RPC_STATUS_ERROR;
1804 }
1805 if (status == RPC_STATUS_CANCEL) {
1806 rdpe_cb_data->status = RPC_STATUS_CANCEL;
1807 }
1808 if (status == RPC_STATUS_SUCCESS && res->status != NFS3_OK) {
1809 rdpe_cb_data->status = RPC_STATUS_ERROR;
1810 }
1811 if (status == RPC_STATUS_SUCCESS && res->status == NFS3_OK) {
1812 if (res->LOOKUP3res_u.resok.obj_attributes.attributes_follow) {
1813 fattr3 *attributes = &res->LOOKUP3res_u.resok.obj_attributes.post_op_attr_u.attributes;
1814
1815 nfsdirent->type = attributes->type;
1816 nfsdirent->mode = attributes->mode;
1817 nfsdirent->size = attributes->size;
1818
1819 nfsdirent->atime.tv_sec = attributes->atime.seconds;
1820 nfsdirent->atime.tv_usec = attributes->atime.nseconds/1000;
1821 nfsdirent->mtime.tv_sec = attributes->mtime.seconds;
1822 nfsdirent->mtime.tv_usec = attributes->mtime.nseconds/1000;
1823 nfsdirent->ctime.tv_sec = attributes->ctime.seconds;
1824 nfsdirent->ctime.tv_usec = attributes->ctime.nseconds/1000;
1825 }
1826 }
1827
1828 if (rdpe_cb_data->getattrcount == 0) {
1829 if (rdpe_cb_data->status != RPC_STATUS_SUCCESS) {
1830 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1831 nfs_free_nfsdir(nfsdir);
1832 } else {
1833 data->cb(0, nfs, nfsdir, data->private_data);
1834 }
1835 free(rdpe_cb_data);
1836
1837 data->continue_data = NULL;
1838 free_nfs_cb_data(data);
1839 }
1840}
1841
1842static void nfs_opendir2_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
1843{
1844 READDIR3res *res = command_data;
84004dbf
RS		 1845 struct nfs_cb_data *data = private_data;
1846 struct nfs_context *nfs = data->nfs;
fb6510bb 1847 struct nfsdir *nfsdir = data->continue_data;
fb69c64c
RS		 1848 struct nfsdirent *nfsdirent;
1849 struct entry3 *entry;
84004dbf 1850 uint64_t cookie;
fb69c64c
RS		 1851 struct rdpe_cb_data *rdpe_cb_data;
1852
84004dbf
RS		 1853 if (status == RPC_STATUS_ERROR) {
1854 data->cb(-EFAULT, nfs, command_data, data->private_data);
1855 nfs_free_nfsdir(nfsdir);
1856 data->continue_data = NULL;
1857 free_nfs_cb_data(data);
1858 return;
1859 }
fb69c64c 1860
84004dbf
RS		 1861 if (status == RPC_STATUS_CANCEL) {
1862 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1863 nfs_free_nfsdir(nfsdir);
1864 data->continue_data = NULL;
1865 free_nfs_cb_data(data);
1866 return;
1867 }
1868
84004dbf
RS		 1869 if (res->status != NFS3_OK) {
1870 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));
1871 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1872 nfs_free_nfsdir(nfsdir);
1873 data->continue_data = NULL;
1874 free_nfs_cb_data(data);
1875 return;
fb69c64c
RS		 1876 }
1877
1878 entry =res->READDIR3res_u.resok.reply.entries;
1879 while (entry != NULL) {
1880 nfsdirent = malloc(sizeof(struct nfsdirent));
1881 if (nfsdirent == NULL) {
1882 data->cb(-ENOMEM, nfs, "Failed to allocate dirent", data->private_data);
1883 nfs_free_nfsdir(nfsdir);
1884 data->continue_data = NULL;
1885 free_nfs_cb_data(data);
1886 return;
1887 }
1888 memset(nfsdirent, 0, sizeof(struct nfsdirent));
1889 nfsdirent->name = strdup(entry->name);
1890 if (nfsdirent->name == NULL) {
1891 data->cb(-ENOMEM, nfs, "Failed to allocate dirent->name", data->private_data);
1892 nfs_free_nfsdir(nfsdir);
1893 data->continue_data = NULL;
1894 free_nfs_cb_data(data);
1895 return;
1896 }
1897 nfsdirent->inode = entry->fileid;
1898
1899 nfsdirent->next = nfsdir->entries;
1900 nfsdir->entries = nfsdirent;
1901
1902 cookie = entry->cookie;
1903 entry = entry->nextentry;
1904 }
1905
1906 if (res->READDIR3res_u.resok.reply.eof == 0) {
1907 if (rpc_nfs_readdir_async(nfs->rpc, nfs_opendir2_cb, &data->fh, cookie, res->READDIR3res_u.resok.cookieverf, 8192, data) != 0) {
1908 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR call for %s", data->path);
1909 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1910 nfs_free_nfsdir(nfsdir);
1911 data->continue_data = NULL;
1912 free_nfs_cb_data(data);
1913 return;
1914 }
1915 return;
1916 }
1917
1918 /* steal the dirhandle */
1919 nfsdir->current = nfsdir->entries;
1920
1921 rdpe_cb_data = malloc(sizeof(struct rdpe_cb_data));
1922 rdpe_cb_data->getattrcount = 0;
1923 rdpe_cb_data->status = RPC_STATUS_SUCCESS;
1924 rdpe_cb_data->data = data;
1925 for (nfsdirent = nfsdir->entries; nfsdirent; nfsdirent = nfsdirent->next) {
1926 struct rdpe_lookup_cb_data *rdpe_lookup_cb_data;
1927
1928 rdpe_lookup_cb_data = malloc(sizeof(struct rdpe_lookup_cb_data));
1929 rdpe_lookup_cb_data->rdpe_cb_data = rdpe_cb_data;
1930 rdpe_lookup_cb_data->nfsdirent = nfsdirent;
1931
1932 if (rpc_nfs_lookup_async(nfs->rpc, nfs_opendir3_cb, &data->fh, nfsdirent->name, rdpe_lookup_cb_data) != 0) {
1933 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR LOOKUP call");
1934
1935 /* if we have already commands in flight, we cant just stop, we have to wait for the
1936 * commands in flight to complete
1937 */
1938 if (rdpe_cb_data->getattrcount > 0) {
1939 rdpe_cb_data->status = RPC_STATUS_ERROR;
1940 free(rdpe_lookup_cb_data);
1941 return;
1942 }
1943
1944 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1945 nfs_free_nfsdir(nfsdir);
1946 data->continue_data = NULL;
1947 free_nfs_cb_data(data);
1948 free(rdpe_lookup_cb_data);
1949 free(rdpe_cb_data);
1950 return;
1951 }
1952 rdpe_cb_data->getattrcount++;
1953 }
1954}
1955
1956
1957static void nfs_opendir_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
1958{
1959 READDIRPLUS3res *res = command_data;
1960 struct nfs_cb_data *data = private_data;
1961 struct nfs_context *nfs = data->nfs;
1962 struct nfsdir *nfsdir = data->continue_data;
1963 struct entryplus3 *entry;
1964 uint64_t cookie;
1965
1966
1967 if (status == RPC_STATUS_ERROR || (status == RPC_STATUS_SUCCESS && res->status == NFS3ERR_NOTSUPP) ){
1968 cookieverf3 cv;
1969
1970 if (rpc_nfs_readdir_async(nfs->rpc, nfs_opendir2_cb, &data->fh, 0, (char *)&cv, 8192, data) != 0) {
1971 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR call for %s", data->path);
1972 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1973 nfs_free_nfsdir(nfsdir);
1974 data->continue_data = NULL;
1975 free_nfs_cb_data(data);
1976 return;
1977 }
1978 return;
1979 }
1980
1981 if (status == RPC_STATUS_CANCEL) {
1982 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1983 nfs_free_nfsdir(nfsdir);
1984 data->continue_data = NULL;
1985 free_nfs_cb_data(data);
1986 return;
1987 }
1988
1989 if (res->status != NFS3_OK) {
1990 rpc_set_error(nfs->rpc, "NFS: READDIRPLUS of %s failed with %s(%d)", data->saved_path, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1991 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1992 nfs_free_nfsdir(nfsdir);
1993 data->continue_data = NULL;
1994 free_nfs_cb_data(data);
1995 return;
84004dbf
RS		 1996 }
1997
f390f181 1998 entry =res->READDIRPLUS3res_u.resok.reply.entries;
84004dbf
RS		 1999 while (entry != NULL) {
2000 struct nfsdirent *nfsdirent;
2001
2002 nfsdirent = malloc(sizeof(struct nfsdirent));
2003 if (nfsdirent == NULL) {
2004 data->cb(-ENOMEM, nfs, "Failed to allocate dirent", data->private_data);
2005 nfs_free_nfsdir(nfsdir);
2006 data->continue_data = NULL;
2007 free_nfs_cb_data(data);
2008 return;
2009 }
ea98629a 2010 memset(nfsdirent, 0, sizeof(struct nfsdirent));
84004dbf
RS		 2011 nfsdirent->name = strdup(entry->name);
2012 if (nfsdirent->name == NULL) {
2013 data->cb(-ENOMEM, nfs, "Failed to allocate dirent->name", data->private_data);
2014 nfs_free_nfsdir(nfsdir);
2015 data->continue_data = NULL;
2016 free_nfs_cb_data(data);
2017 return;
2018 }
2019 nfsdirent->inode = entry->fileid;
0804e67d
RS		 2020 if (entry->name_attributes.attributes_follow) {
2021 nfsdirent->type = entry->name_attributes.post_op_attr_u.attributes.type;
2022 nfsdirent->mode = entry->name_attributes.post_op_attr_u.attributes.mode;
2023 nfsdirent->size = entry->name_attributes.post_op_attr_u.attributes.size;
2024
2025 nfsdirent->atime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.atime.seconds;
2026 nfsdirent->atime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.atime.nseconds/1000;
2027 nfsdirent->mtime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.mtime.seconds;
2028 nfsdirent->mtime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.mtime.nseconds/1000;
2029 nfsdirent->ctime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.ctime.seconds;
2030 nfsdirent->ctime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.ctime.nseconds/1000;
2031 }
2032
84004dbf
RS		 2033 nfsdirent->next = nfsdir->entries;
2034 nfsdir->entries = nfsdirent;
2035
2036 cookie = entry->cookie;
2037 entry = entry->nextentry;
2038 }
2039
f390f181
RS		 2040 if (res->READDIRPLUS3res_u.resok.reply.eof == 0) {
2041 if (rpc_nfs_readdirplus_async(nfs->rpc, nfs_opendir_cb, &data->fh, cookie, res->READDIRPLUS3res_u.resok.cookieverf, 8192, data) != 0) {
2042 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIRPLUS call for %s", data->path);
84004dbf
RS		 2043 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2044 nfs_free_nfsdir(nfsdir);
2045 data->continue_data = NULL;
2046 free_nfs_cb_data(data);
2047 return;
2048 }
2049 return;
2050 }
2051
2052 /* steal the dirhandle */
2053 data->continue_data = NULL;
2054 nfsdir->current = nfsdir->entries;
2055
2056 data->cb(0, nfs, nfsdir, data->private_data);
2057 free_nfs_cb_data(data);
2058}
2059
2060static int nfs_opendir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2061{
2062 cookieverf3 cv;
2063
ea98629a 2064 memset(cv, 0, sizeof(cookieverf3));
f390f181
RS		 2065 if (rpc_nfs_readdirplus_async(nfs->rpc, nfs_opendir_cb, &data->fh, 0, (char *)&cv, 8192, data) != 0) {
2066 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIRPLUS call for %s", data->path);
84004dbf
RS		 2067 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2068 free_nfs_cb_data(data);
2069 return -1;
2070 }
2071 return 0;
2072}
2073
2074int nfs_opendir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
2075{
2076 struct nfsdir *nfsdir;
2077
2078 nfsdir = malloc(sizeof(struct nfsdir));
2079 if (nfsdir == NULL) {
cbbf9d3e 2080 rpc_set_error(nfs->rpc, "failed to allocate buffer for nfsdir");
84004dbf
RS		 2081 return -1;
2082 }
ea98629a 2083 memset(nfsdir, 0, sizeof(struct nfsdir));
84004dbf
RS		 2084
2085 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_opendir_continue_internal, nfsdir, free, 0) != 0) {
cbbf9d3e
RS		 2086 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2087 return -1;
84004dbf
RS		 2088 }
2089
2090 return 0;
2091}
2092
2093
2094struct nfsdirent *nfs_readdir(struct nfs_context *nfs _U_, struct nfsdir *nfsdir)
2095{
2096 struct nfsdirent *nfsdirent = nfsdir->current;
2097
2098 if (nfsdir->current != NULL) {
2099 nfsdir->current = nfsdir->current->next;
2100 }
2101 return nfsdirent;
2102}
2103
2104
2105void nfs_closedir(struct nfs_context *nfs _U_, struct nfsdir *nfsdir)
2106{
2107 nfs_free_nfsdir(nfsdir);
2108}
2109
2110
2111
2112
2113
2114
2115
2116/*
2117 * Async lseek()
2118 */
2119struct lseek_cb_data {
2120 struct nfs_context *nfs;
2121 struct nfsfh *nfsfh;
2122 off_t offset;
2123 nfs_cb cb;
2124 void *private_data;
2125};
2126
2127static void nfs_lseek_1_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
2128{
2129 GETATTR3res *res;
2130 struct lseek_cb_data *data = private_data;
2131 struct nfs_context *nfs = data->nfs;
2132
2133 if (status == RPC_STATUS_ERROR) {
2134 data->cb(-EFAULT, nfs, command_data, data->private_data);
2135 free(data);
2136 return;
2137 }
2138 if (status == RPC_STATUS_CANCEL) {
2139 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2140 free(data);
2141 return;
2142 }
2143
2144 res = command_data;
2145 if (res->status != NFS3_OK) {
2146 rpc_set_error(nfs->rpc, "NFS: GETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
2147 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2148 free(data);
2149 return;
2150 }
2151
2152 data->nfsfh->offset = data->offset + res->GETATTR3res_u.resok.obj_attributes.size;
2153 data->cb(0, nfs, &data->nfsfh->offset, data->private_data);
2154 free(data);
2155}
2156
2157int nfs_lseek_async(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t offset, int whence, nfs_cb cb, void *private_data)
2158{
2159 struct lseek_cb_data *data;
2160
2161 if (whence == SEEK_SET) {
2162 nfsfh->offset = offset;
2163 cb(0, nfs, &nfsfh->offset, private_data);
2164 return 0;
2165 }
2166 if (whence == SEEK_CUR) {
2167 nfsfh->offset += offset;
2168 cb(0, nfs, &nfsfh->offset, private_data);
2169 return 0;
2170 }
2171
2172 data = malloc(sizeof(struct lseek_cb_data));
2173 if (data == NULL) {
2174 rpc_set_error(nfs->rpc, "Out Of Memory: Failed to malloc lseek cb data");
2175 return -1;
2176 }
2177
2178 data->nfs = nfs;
2179 data->nfsfh = nfsfh;
2180 data->offset = offset;
2181 data->cb = cb;
2182 data->private_data = private_data;
2183
2184 if (rpc_nfs_getattr_async(nfs->rpc, nfs_lseek_1_cb, &nfsfh->fh, data) != 0) {
2185 rpc_set_error(nfs->rpc, "RPC error: Failed to send LSEEK GETATTR call");
2186 free(data);
cbbf9d3e 2187 return -1;
84004dbf
RS		 2188 }
2189 return 0;
2190}
2191
2192
2193
2194
2195/*
2196 * Async statvfs()
2197 */
2198static void nfs_statvfs_1_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
2199{
2200 FSSTAT3res *res;
2201 struct nfs_cb_data *data = private_data;
2202 struct nfs_context *nfs = data->nfs;
2203 struct statvfs svfs;
2204
2205 if (status == RPC_STATUS_ERROR) {
2206 data->cb(-EFAULT, nfs, command_data, data->private_data);
2207 free_nfs_cb_data(data);
2208 return;
2209 }
2210 if (status == RPC_STATUS_CANCEL) {
2211 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2212 free_nfs_cb_data(data);
2213 return;
2214 }
2215
2216 res = command_data;
2217 if (res->status != NFS3_OK) {
2218 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));
2219 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2220 free_nfs_cb_data(data);
2221 return;
2222 }
2223
2224 svfs.f_bsize = 4096;
2225 svfs.f_frsize = 4096;
2226 svfs.f_blocks = res->FSSTAT3res_u.resok.tbytes/4096;
2227 svfs.f_bfree = res->FSSTAT3res_u.resok.fbytes/4096;
2228 svfs.f_bavail = res->FSSTAT3res_u.resok.abytes/4096;
2229 svfs.f_files = res->FSSTAT3res_u.resok.tfiles;
2230 svfs.f_ffree = res->FSSTAT3res_u.resok.ffiles;
2231 svfs.f_favail = res->FSSTAT3res_u.resok.afiles;
2232 svfs.f_fsid = 0;
2233 svfs.f_flag = 0;
2234 svfs.f_namemax = 256;
2235
2236 data->cb(0, nfs, &svfs, data->private_data);
2237 free_nfs_cb_data(data);
2238}
2239
2240static int nfs_statvfs_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2241{
2242 if (rpc_nfs_fsstat_async(nfs->rpc, nfs_statvfs_1_cb, &data->fh, data) != 0) {
2243 rpc_set_error(nfs->rpc, "RPC error: Failed to send FSSTAT call for %s", data->path);
2244 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2245 free_nfs_cb_data(data);
2246 return -1;
2247 }
2248 return 0;
2249}
2250
2251int nfs_statvfs_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
2252{
2253 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_statvfs_continue_internal, NULL, NULL, 0) != 0) {
cbbf9d3e 2254 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 2255 return -1;
2256 }
2257
2258 return 0;
2259}
2260
2261
2262
2263
2264/*
2265 * Async readlink()
2266 */
2267static void nfs_readlink_1_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
2268{
2269 READLINK3res *res;
2270 struct nfs_cb_data *data = private_data;
2271 struct nfs_context *nfs = data->nfs;
2272
2273 if (status == RPC_STATUS_ERROR) {
2274 data->cb(-EFAULT, nfs, command_data, data->private_data);
2275 free_nfs_cb_data(data);
2276 return;
2277 }
2278 if (status == RPC_STATUS_CANCEL) {
2279 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2280 free_nfs_cb_data(data);
2281 return;
2282 }
2283
2284 res = command_data;
2285 if (res->status != NFS3_OK) {
2286 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));
2287 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2288 free_nfs_cb_data(data);
2289 return;
2290 }
2291
2292
2293 data->cb(0, nfs, res->READLINK3res_u.resok.data, data->private_data);
2294 free_nfs_cb_data(data);
2295}
2296
2297static int nfs_readlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2298{
2299 if (rpc_nfs_readlink_async(nfs->rpc, nfs_readlink_1_cb, &data->fh, data) != 0) {
2300 rpc_set_error(nfs->rpc, "RPC error: Failed to send READLINK call for %s", data->path);
2301 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2302 free_nfs_cb_data(data);
2303 return -1;
2304 }
2305 return 0;
2306}
2307
2308int nfs_readlink_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
2309{
2310 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_readlink_continue_internal, NULL, NULL, 0) != 0) {
cbbf9d3e 2311 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 2312 return -1;
2313 }
2314
2315 return 0;
2316}
2317
2318
2319
2320
2321/*
2322 * Async chmod()
2323 */
2324static void nfs_chmod_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
2325{
2326 struct nfs_cb_data *data = private_data;
2327 struct nfs_context *nfs = data->nfs;
2328 SETATTR3res *res;
2329
2330 if (status == RPC_STATUS_ERROR) {
2331 data->cb(-EFAULT, nfs, command_data, data->private_data);
2332 free_nfs_cb_data(data);
2333 return;
2334 }
2335 if (status == RPC_STATUS_CANCEL) {
2336 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2337 free_nfs_cb_data(data);
2338 return;
2339 }
2340
2341 res = command_data;
2342 if (res->status != NFS3_OK) {
2343 rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
2344 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2345 free_nfs_cb_data(data);
2346 return;
2347 }
2348
2349 data->cb(0, nfs, NULL, data->private_data);
2350 free_nfs_cb_data(data);
2351}
2352
2353static int nfs_chmod_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2354{
2355 SETATTR3args args;
2356
ea98629a 2357 memset(&args, 0, sizeof(SETATTR3args));
84004dbf
RS		 2358 args.object.data.data_len = data->fh.data.data_len;
2359 args.object.data.data_val = data->fh.data.data_val;
2360 args.new_attributes.mode.set_it = 1;
2361 args.new_attributes.mode.set_mode3_u.mode = data->continue_int;
2362
2363 if (rpc_nfs_setattr_async(nfs->rpc, nfs_chmod_cb, &args, data) != 0) {
2364 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
2365 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2366 free_nfs_cb_data(data);
2367 return -1;
2368 }
2369 return 0;
2370}
2371
2372
2373int nfs_chmod_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data)
2374{
2375 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_chmod_continue_internal, NULL, NULL, mode) != 0) {
cbbf9d3e 2376 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 2377 return -1;
2378 }
2379
2380 return 0;
2381}
2382
2383/*
2384 * Async fchmod()
2385 */
2386int nfs_fchmod_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int mode, nfs_cb cb, void *private_data)
2387{
2388 struct nfs_cb_data *data;
2389
2390 data = malloc(sizeof(struct nfs_cb_data));
2391 if (data == NULL) {
cbbf9d3e 2392 rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for nfs mount data");
84004dbf
RS		 2393 return -1;
2394 }
ea98629a 2395 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 2396 data->nfs = nfs;
2397 data->cb = cb;
2398 data->private_data = private_data;
2399 data->continue_int = mode;
2400 data->fh.data.data_len = nfsfh->fh.data.data_len;
2401 data->fh.data.data_val = malloc(data->fh.data.data_len);
2402 if (data->fh.data.data_val == NULL) {
2403 rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh");
2404 free_nfs_cb_data(data);
2405 return -1;
2406 }
2407 memcpy(data->fh.data.data_val, nfsfh->fh.data.data_val, data->fh.data.data_len);
2408
2409 if (nfs_chmod_continue_internal(nfs, data) != 0) {
2410 free_nfs_cb_data(data);
2411 return -1;
2412 }
2413
2414 return 0;
2415}
2416
2417
2418
2419/*
2420 * Async chown()
2421 */
2422static void nfs_chown_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
2423{
2424 struct nfs_cb_data *data = private_data;
2425 struct nfs_context *nfs = data->nfs;
2426 SETATTR3res *res;
2427
2428 if (status == RPC_STATUS_ERROR) {
2429 data->cb(-EFAULT, nfs, command_data, data->private_data);
2430 free_nfs_cb_data(data);
2431 return;
2432 }
2433 if (status == RPC_STATUS_CANCEL) {
2434 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2435 free_nfs_cb_data(data);
2436 return;
2437 }
2438
2439 res = command_data;
2440 if (res->status != NFS3_OK) {
2441 rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
2442 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2443 free_nfs_cb_data(data);
2444 return;
2445 }
2446
2447 data->cb(0, nfs, NULL, data->private_data);
2448 free_nfs_cb_data(data);
2449}
2450
2451struct nfs_chown_data {
2452 uid_t uid;
2453 gid_t gid;
2454};
2455
2456static int nfs_chown_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2457{
2458 SETATTR3args args;
2459 struct nfs_chown_data *chown_data = data->continue_data;
2460
ea98629a 2461 memset(&args, 0, sizeof(SETATTR3args));
84004dbf
RS		 2462 args.object.data.data_len = data->fh.data.data_len;
2463 args.object.data.data_val = data->fh.data.data_val;
2464 if (chown_data->uid != (uid_t)-1) {
2465 args.new_attributes.uid.set_it = 1;
2466 args.new_attributes.uid.set_uid3_u.uid = chown_data->uid;
2467 }
2468 if (chown_data->gid != (gid_t)-1) {
2469 args.new_attributes.gid.set_it = 1;
2470 args.new_attributes.gid.set_gid3_u.gid = chown_data->gid;
2471 }
2472
2473 if (rpc_nfs_setattr_async(nfs->rpc, nfs_chown_cb, &args, data) != 0) {
2474 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
2475 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2476 free_nfs_cb_data(data);
2477 return -1;
2478 }
2479 return 0;
2480}
2481
2482
2483int nfs_chown_async(struct nfs_context *nfs, const char *path, int uid, int gid, nfs_cb cb, void *private_data)
2484{
2485 struct nfs_chown_data *chown_data;
2486
2487 chown_data = malloc(sizeof(struct nfs_chown_data));
2488 if (chown_data == NULL) {
cbbf9d3e 2489 rpc_set_error(nfs->rpc, "Failed to allocate memory for chown data structure");
84004dbf
RS		 2490 return -1;
2491 }
2492
2493 chown_data->uid = uid;
2494 chown_data->gid = gid;
2495
2496 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_chown_continue_internal, chown_data, free, 0) != 0) {
cbbf9d3e 2497 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 2498 return -1;
2499 }
2500
2501 return 0;
2502}
2503
2504
2505/*
2506 * Async fchown()
2507 */
2508int nfs_fchown_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int uid, int gid, nfs_cb cb, void *private_data)
2509{
2510 struct nfs_cb_data *data;
2511 struct nfs_chown_data *chown_data;
2512
2513 chown_data = malloc(sizeof(struct nfs_chown_data));
2514 if (chown_data == NULL) {
cbbf9d3e 2515 rpc_set_error(nfs->rpc, "Failed to allocate memory for chown data structure");
84004dbf
RS		 2516 return -1;
2517 }
2518
2519 chown_data->uid = uid;
2520 chown_data->gid = gid;
2521
2522
2523 data = malloc(sizeof(struct nfs_cb_data));
2524 if (data == NULL) {
cbbf9d3e 2525 rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for fchown data");
84004dbf
RS		 2526 return -1;
2527 }
ea98629a 2528 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 2529 data->nfs = nfs;
2530 data->cb = cb;
2531 data->private_data = private_data;
2532 data->continue_data = chown_data;
2533 data->fh.data.data_len = nfsfh->fh.data.data_len;
2534 data->fh.data.data_val = malloc(data->fh.data.data_len);
2535 if (data->fh.data.data_val == NULL) {
2536 rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh");
2537 free_nfs_cb_data(data);
2538 return -1;
2539 }
2540 memcpy(data->fh.data.data_val, nfsfh->fh.data.data_val, data->fh.data.data_len);
2541
2542
2543 if (nfs_chown_continue_internal(nfs, data) != 0) {
2544 free_nfs_cb_data(data);
2545 return -1;
2546 }
2547
2548 return 0;
2549}
2550
2551
2552
2553
2554
2555/*
2556 * Async utimes()
2557 */
2558static void nfs_utimes_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
2559{
2560 struct nfs_cb_data *data = private_data;
2561 struct nfs_context *nfs = data->nfs;
2562 SETATTR3res *res;
2563
2564 if (status == RPC_STATUS_ERROR) {
2565 data->cb(-EFAULT, nfs, command_data, data->private_data);
2566 free_nfs_cb_data(data);
2567 return;
2568 }
2569 if (status == RPC_STATUS_CANCEL) {
2570 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2571 free_nfs_cb_data(data);
2572 return;
2573 }
2574
2575 res = command_data;
2576 if (res->status != NFS3_OK) {
2577 rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
2578 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2579 free_nfs_cb_data(data);
2580 return;
2581 }
2582
2583 data->cb(0, nfs, NULL, data->private_data);
2584 free_nfs_cb_data(data);
2585}
2586
2587static int nfs_utimes_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2588{
2589 SETATTR3args args;
2590 struct timeval *utimes_data = data->continue_data;
2591
ea98629a 2592 memset(&args, 0, sizeof(SETATTR3args));
84004dbf
RS		 2593 args.object.data.data_len = data->fh.data.data_len;
2594 args.object.data.data_val = data->fh.data.data_val;
2595 if (utimes_data != NULL) {
2596 args.new_attributes.atime.set_it = SET_TO_CLIENT_TIME;
2597 args.new_attributes.atime.set_atime_u.atime.seconds = utimes_data[0].tv_sec;
2598 args.new_attributes.atime.set_atime_u.atime.nseconds = utimes_data[0].tv_usec * 1000;
2599 args.new_attributes.mtime.set_it = SET_TO_CLIENT_TIME;
2600 args.new_attributes.mtime.set_mtime_u.mtime.seconds = utimes_data[1].tv_sec;
2601 args.new_attributes.mtime.set_mtime_u.mtime.nseconds = utimes_data[1].tv_usec * 1000;
2602 } else {
2603 args.new_attributes.atime.set_it = SET_TO_SERVER_TIME;
2604 args.new_attributes.mtime.set_it = SET_TO_SERVER_TIME;
2605 }
2606
2607 if (rpc_nfs_setattr_async(nfs->rpc, nfs_utimes_cb, &args, data) != 0) {
2608 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
2609 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2610 free_nfs_cb_data(data);
2611 return -1;
2612 }
2613 return 0;
2614}
2615
2616
2617int nfs_utimes_async(struct nfs_context *nfs, const char *path, struct timeval *times, nfs_cb cb, void *private_data)
2618{
2619 struct timeval *new_times = NULL;
2620
2621 if (times != NULL) {
2622 new_times = malloc(sizeof(struct timeval)*2);
2623 if (new_times == NULL) {
cbbf9d3e 2624 rpc_set_error(nfs->rpc, "Failed to allocate memory for timeval structure");
84004dbf
RS		 2625 return -1;
2626 }
2627
2628 memcpy(new_times, times, sizeof(struct timeval)*2);
2629 }
2630
2631 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_utimes_continue_internal, new_times, free, 0) != 0) {
cbbf9d3e 2632 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 2633 return -1;
2634 }
2635
2636 return 0;
2637}
2638
2639/*
2640 * Async utime()
2641 */
2642int nfs_utime_async(struct nfs_context *nfs, const char *path, struct utimbuf *times, nfs_cb cb, void *private_data)
2643{
2644 struct timeval *new_times = NULL;
2645
2646 if (times != NULL) {
2647 new_times = malloc(sizeof(struct timeval)*2);
2648 if (new_times == NULL) {
cbbf9d3e 2649 rpc_set_error(nfs->rpc, "Failed to allocate memory for timeval structure");
84004dbf
RS		 2650 return -1;
2651 }
2652
2653 new_times[0].tv_sec = times->actime;
2654 new_times[0].tv_usec = 0;
2655 new_times[1].tv_sec = times->modtime;
2656 new_times[1].tv_usec = 0;
2657 }
2658
2659 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_utimes_continue_internal, new_times, free, 0) != 0) {
cbbf9d3e 2660 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 2661 return -1;
2662 }
2663
2664 return 0;
2665}
2666
2667
2668
2669
2670
2671/*
2672 * Async access()
2673 */
2674static void nfs_access_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
2675{
2676 ACCESS3res *res;
2677 struct nfs_cb_data *data = private_data;
2678 struct nfs_context *nfs = data->nfs;
2679 unsigned int nfsmode = 0;
2680
2681 if (status == RPC_STATUS_ERROR) {
2682 data->cb(-EFAULT, nfs, command_data, data->private_data);
2683 free_nfs_cb_data(data);
2684 return;
2685 }
2686 if (status == RPC_STATUS_CANCEL) {
2687 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2688 free_nfs_cb_data(data);
2689 return;
2690 }
2691
2692 res = command_data;
2693 if (res->status != NFS3_OK) {
2694 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));
2695 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2696 free_nfs_cb_data(data);
2697 return;
2698 }
2699
2700 if (data->continue_int & R_OK) {
2701 nfsmode |= ACCESS3_READ;
2702 }
2703 if (data->continue_int & W_OK) {
2704 nfsmode |= ACCESS3_MODIFY;
2705 }
2706 if (data->continue_int & X_OK) {
2707 nfsmode |= ACCESS3_EXECUTE;
2708 }
2709
2710 if (res->ACCESS3res_u.resok.access != nfsmode) {
2711 rpc_set_error(nfs->rpc, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c",
2712 nfsmode&ACCESS3_READ?'r':'-',
2713 nfsmode&ACCESS3_MODIFY?'w':'-',
2714 nfsmode&ACCESS3_EXECUTE?'x':'-',
2715 res->ACCESS3res_u.resok.access&ACCESS3_READ?'r':'-',
2716 res->ACCESS3res_u.resok.access&ACCESS3_MODIFY?'w':'-',
2717 res->ACCESS3res_u.resok.access&ACCESS3_EXECUTE?'x':'-');
2718 data->cb(-EACCES, nfs, rpc_get_error(nfs->rpc), data->private_data);
2719 free_nfs_cb_data(data);
2720 return;
2721 }
2722
2723 data->cb(0, nfs, NULL, data->private_data);
2724 free_nfs_cb_data(data);
2725}
2726
2727static int nfs_access_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2728{
2729 int nfsmode = 0;
2730
2731 if (data->continue_int & R_OK) {
2732 nfsmode |= ACCESS3_READ;
2733 }
2734 if (data->continue_int & W_OK) {
2735 nfsmode |= ACCESS3_MODIFY;
2736 }
2737 if (data->continue_int & X_OK) {
2738 nfsmode |= ACCESS3_EXECUTE;
2739 }
2740
2741 if (rpc_nfs_access_async(nfs->rpc, nfs_access_cb, &data->fh, nfsmode, data) != 0) {
2742 rpc_set_error(nfs->rpc, "RPC error: Failed to send OPEN ACCESS call for %s", data->path);
2743 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2744 free_nfs_cb_data(data);
2745 return -1;
2746 }
2747 return 0;
2748}
2749
2750int nfs_access_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data)
2751{
2752 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_access_continue_internal, NULL, NULL, mode) != 0) {
cbbf9d3e
RS		 2753 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2754 return -1;
84004dbf
RS		 2755 }
2756
2757 return 0;
2758}
2759
2760
2761
2762/*
2763 * Async symlink()
2764 */
2765struct nfs_symlink_data {
2766 char *oldpath;
2767 char *newpathparent;
2768 char *newpathobject;
2769};
2770
2771static void free_nfs_symlink_data(void *mem)
2772{
2773 struct nfs_symlink_data *data = mem;
2774
2775 if (data->oldpath != NULL) {
2776 free(data->oldpath);
2777 }
2778 if (data->newpathparent != NULL) {
2779 free(data->newpathparent);
2780 }
2781 if (data->newpathobject != NULL) {
2782 free(data->newpathobject);
2783 }
2784 free(data);
2785}
2786
2787static void nfs_symlink_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
2788{
2789 SYMLINK3res *res;
2790 struct nfs_cb_data *data = private_data;
2791 struct nfs_context *nfs = data->nfs;
2792 struct nfs_symlink_data *symlink_data = data->continue_data;
2793
2794 if (status == RPC_STATUS_ERROR) {
2795 data->cb(-EFAULT, nfs, command_data, data->private_data);
2796 free_nfs_cb_data(data);
2797 return;
2798 }
2799 if (status == RPC_STATUS_CANCEL) {
2800 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2801 free_nfs_cb_data(data);
2802 return;
2803 }
2804
2805 res = command_data;
2806 if (res->status != NFS3_OK) {
2807 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));
2808 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2809 free_nfs_cb_data(data);
2810 return;
2811 }
2812
2813 data->cb(0, nfs, NULL, data->private_data);
2814 free_nfs_cb_data(data);
2815}
2816
2817static int nfs_symlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2818{
2819 struct nfs_symlink_data *symlink_data = data->continue_data;
2820
2821 if (rpc_nfs_symlink_async(nfs->rpc, nfs_symlink_cb, &data->fh, symlink_data->newpathobject, symlink_data->oldpath, data) != 0) {
2822 rpc_set_error(nfs->rpc, "RPC error: Failed to send SYMLINK call for %s", data->path);
2823 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2824 free_nfs_cb_data(data);
2825 return -1;
2826 }
2827 return 0;
2828}
2829
2830int nfs_symlink_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data)
2831{
2832 char *ptr;
2833 struct nfs_symlink_data *symlink_data;
2834
2835 symlink_data = malloc(sizeof(struct nfs_symlink_data));
2836 if (symlink_data == NULL) {
cbbf9d3e 2837 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for symlink data");
84004dbf
RS		 2838 return -1;
2839 }
ea98629a 2840 memset(symlink_data, 0, sizeof(struct nfs_symlink_data));
84004dbf
RS		 2841
2842 symlink_data->oldpath = strdup(oldpath);
2843 if (symlink_data->oldpath == NULL) {
cbbf9d3e 2844 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath");
84004dbf 2845 free_nfs_symlink_data(symlink_data);
cbbf9d3e 2846 return -1;
84004dbf
RS		 2847 }
2848
2849 symlink_data->newpathparent = strdup(newpath);
2850 if (symlink_data->newpathparent == NULL) {
cbbf9d3e 2851 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for new path");
84004dbf 2852 free_nfs_symlink_data(symlink_data);
cbbf9d3e 2853 return -1;
84004dbf
RS		 2854 }
2855
93e9306f 2856 ptr = strrchr(symlink_data->newpathparent, '/');
84004dbf 2857 if (ptr == NULL) {
cbbf9d3e 2858 rpc_set_error(nfs->rpc, "Invalid path %s", oldpath);
84004dbf 2859 free_nfs_symlink_data(symlink_data);
cbbf9d3e 2860 return -1;
84004dbf
RS		 2861 }
2862 *ptr = 0;
2863 ptr++;
2864
2865 symlink_data->newpathobject = strdup(ptr);
2866 if (symlink_data->newpathobject == NULL) {
cbbf9d3e 2867 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for new path");
84004dbf 2868 free_nfs_symlink_data(symlink_data);
cbbf9d3e 2869 return -1;
84004dbf
RS		 2870 }
2871
2872 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		 2873 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2874 return -1;
84004dbf
RS		 2875 }
2876
2877 return 0;
2878}
2879
2880
2881
2882/*
2883 * Async rename()
2884 */
2885struct nfs_rename_data {
2886 char *oldpath;
2887 char *oldobject;
2888 struct nfs_fh3 olddir;
2889 char *newpath;
2890 char *newobject;
2891 struct nfs_fh3 newdir;
2892};
2893
2894static void free_nfs_rename_data(void *mem)
2895{
2896 struct nfs_rename_data *data = mem;
2897
2898 if (data->oldpath != NULL) {
2899 free(data->oldpath);
2900 }
2901 if (data->olddir.data.data_val != NULL) {
2902 free(data->olddir.data.data_val);
2903 }
2904 if (data->newpath != NULL) {
2905 free(data->newpath);
2906 }
2907 if (data->newdir.data.data_val != NULL) {
2908 free(data->newdir.data.data_val);
2909 }
2910 free(data);
2911}
2912
2913static void nfs_rename_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
2914{
2915 RENAME3res *res;
2916 struct nfs_cb_data *data = private_data;
2917 struct nfs_context *nfs = data->nfs;
2918 struct nfs_rename_data *rename_data = data->continue_data;
2919
2920 if (status == RPC_STATUS_ERROR) {
2921 data->cb(-EFAULT, nfs, command_data, data->private_data);
2922 free_nfs_cb_data(data);
2923 return;
2924 }
2925 if (status == RPC_STATUS_CANCEL) {
2926 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2927 free_nfs_cb_data(data);
2928 return;
2929 }
2930
2931 res = command_data;
2932 if (res->status != NFS3_OK) {
2933 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));
2934 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2935 free_nfs_cb_data(data);
2936 return;
2937 }
2938
2939 data->cb(0, nfs, NULL, data->private_data);
2940 free_nfs_cb_data(data);
2941}
2942
2943static int nfs_rename_continue_2_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2944{
2945 struct nfs_rename_data *rename_data = data->continue_data;
2946
2947 /* steal the filehandle */
2948 rename_data->newdir.data.data_len = data->fh.data.data_len;
2949 rename_data->newdir.data.data_val = data->fh.data.data_val;
2950 data->fh.data.data_val = NULL;
2951
2952 if (rpc_nfs_rename_async(nfs->rpc, nfs_rename_cb, &rename_data->olddir, rename_data->oldobject, &rename_data->newdir, rename_data->newobject, data) != 0) {
2953 rpc_set_error(nfs->rpc, "RPC error: Failed to send RENAME call for %s", data->path);
2954 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2955 free_nfs_cb_data(data);
2956 return -1;
2957 }
2958 return 0;
2959}
2960
2961
2962static int nfs_rename_continue_1_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2963{
2964 struct nfs_rename_data *rename_data = data->continue_data;
2965
2966 /* steal the filehandle */
2967 rename_data->olddir.data.data_len = data->fh.data.data_len;
2968 rename_data->olddir.data.data_val = data->fh.data.data_val;
2969 data->fh.data.data_val = NULL;
2970
2971 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) {
2972 rpc_set_error(nfs->rpc, "RPC error: Failed to send LOOKUP call for %s", rename_data->newpath);
2973 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2974 free_nfs_cb_data(data);
2975 return -1;
2976 }
2977 data->continue_data = NULL;
2978 free_nfs_cb_data(data);
2979
2980 return 0;
2981}
2982
2983
2984int nfs_rename_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data)
2985{
2986 char *ptr;
2987 struct nfs_rename_data *rename_data;
2988
2989 rename_data = malloc(sizeof(struct nfs_rename_data));
2990 if (rename_data == NULL) {
cbbf9d3e 2991 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for rename data");
84004dbf
RS		 2992 return -1;
2993 }
ea98629a 2994 memset(rename_data, 0, sizeof(struct nfs_rename_data));
84004dbf
RS		 2995
2996 rename_data->oldpath = strdup(oldpath);
2997 if (rename_data->oldpath == NULL) {
cbbf9d3e 2998 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath");
84004dbf 2999 free_nfs_rename_data(rename_data);
cbbf9d3e 3000 return -1;
84004dbf 3001 }
93e9306f 3002 ptr = strrchr(rename_data->oldpath, '/');
84004dbf 3003 if (ptr == NULL) {
cbbf9d3e 3004 rpc_set_error(nfs->rpc, "Invalid path %s", oldpath);
84004dbf 3005 free_nfs_rename_data(rename_data);
cbbf9d3e 3006 return -1;
84004dbf
RS		 3007 }
3008 *ptr = 0;
3009 ptr++;
3010 rename_data->oldobject = ptr;
3011
3012
3013 rename_data->newpath = strdup(newpath);
3014 if (rename_data->newpath == NULL) {
cbbf9d3e 3015 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for newpath");
84004dbf 3016 free_nfs_rename_data(rename_data);
cbbf9d3e 3017 return -1;
84004dbf 3018 }
93e9306f 3019 ptr = strrchr(rename_data->newpath, '/');
84004dbf 3020 if (ptr == NULL) {
cbbf9d3e 3021 rpc_set_error(nfs->rpc, "Invalid path %s", newpath);
84004dbf 3022 free_nfs_rename_data(rename_data);
cbbf9d3e 3023 return -1;
84004dbf
RS		 3024 }
3025 *ptr = 0;
3026 ptr++;
3027 rename_data->newobject = ptr;
3028
3029
3030 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		 3031 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
3032 return -1;
84004dbf
RS		 3033 }
3034
3035 return 0;
3036}
3037
3038
3039/*
3040 * Async link()
3041 */
3042struct nfs_link_data {
3043 char *oldpath;
3044 struct nfs_fh3 oldfh;
3045 char *newpath;
3046 char *newobject;
3047 struct nfs_fh3 newdir;
3048};
3049
3050static void free_nfs_link_data(void *mem)
3051{
3052 struct nfs_link_data *data = mem;
3053
3054 if (data->oldpath != NULL) {
3055 free(data->oldpath);
3056 }
3057 if (data->oldfh.data.data_val != NULL) {
3058 free(data->oldfh.data.data_val);
3059 }
3060 if (data->newpath != NULL) {
3061 free(data->newpath);
3062 }
3063 if (data->newdir.data.data_val != NULL) {
3064 free(data->newdir.data.data_val);
3065 }
3066 free(data);
3067}
3068
3069static void nfs_link_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
3070{
3071 LINK3res *res;
3072 struct nfs_cb_data *data = private_data;
3073 struct nfs_context *nfs = data->nfs;
3074 struct nfs_link_data *link_data = data->continue_data;
3075
3076 if (status == RPC_STATUS_ERROR) {
3077 data->cb(-EFAULT, nfs, command_data, data->private_data);
3078 free_nfs_cb_data(data);
3079 return;
3080 }
3081 if (status == RPC_STATUS_CANCEL) {
3082 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3083 free_nfs_cb_data(data);
3084 return;
3085 }
3086
3087 res = command_data;
3088 if (res->status != NFS3_OK) {
3089 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));
3090 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3091 free_nfs_cb_data(data);
3092 return;
3093 }
3094
3095 data->cb(0, nfs, NULL, data->private_data);
3096 free_nfs_cb_data(data);
3097}
3098
3099static int nfs_link_continue_2_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3100{
3101 struct nfs_link_data *link_data = data->continue_data;
3102
3103 /* steal the filehandle */
3104 link_data->newdir.data.data_len = data->fh.data.data_len;
3105 link_data->newdir.data.data_val = data->fh.data.data_val;
3106 data->fh.data.data_val = NULL;
3107
3108 if (rpc_nfs_link_async(nfs->rpc, nfs_link_cb, &link_data->oldfh, &link_data->newdir, link_data->newobject, data) != 0) {
3109 rpc_set_error(nfs->rpc, "RPC error: Failed to send LINK call for %s", data->path);
3110 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3111 free_nfs_cb_data(data);
3112 return -1;
3113 }
3114 return 0;
3115}
3116
3117
3118static int nfs_link_continue_1_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3119{
3120 struct nfs_link_data *link_data = data->continue_data;
3121
3122 /* steal the filehandle */
3123 link_data->oldfh.data.data_len = data->fh.data.data_len;
3124 link_data->oldfh.data.data_val = data->fh.data.data_val;
3125 data->fh.data.data_val = NULL;
3126
3127 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) {
3128 rpc_set_error(nfs->rpc, "RPC error: Failed to send LOOKUP call for %s", link_data->newpath);
3129 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3130 free_nfs_cb_data(data);
3131 return -1;
3132 }
3133 data->continue_data = NULL;
3134 free_nfs_cb_data(data);
3135
3136 return 0;
3137}
3138
3139
3140int nfs_link_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data)
3141{
3142 char *ptr;
3143 struct nfs_link_data *link_data;
3144
3145 link_data = malloc(sizeof(struct nfs_link_data));
3146 if (link_data == NULL) {
cbbf9d3e 3147 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for link data");
84004dbf
RS		 3148 return -1;
3149 }
ea98629a 3150 memset(link_data, 0, sizeof(struct nfs_link_data));
84004dbf
RS		 3151
3152 link_data->oldpath = strdup(oldpath);
3153 if (link_data->oldpath == NULL) {
cbbf9d3e 3154 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath");
84004dbf 3155 free_nfs_link_data(link_data);
cbbf9d3e 3156 return -1;
84004dbf
RS		 3157 }
3158
3159 link_data->newpath = strdup(newpath);
3160 if (link_data->newpath == NULL) {
cbbf9d3e 3161 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for newpath");
84004dbf 3162 free_nfs_link_data(link_data);
cbbf9d3e 3163 return -1;
84004dbf 3164 }
93e9306f 3165 ptr = strrchr(link_data->newpath, '/');
84004dbf 3166 if (ptr == NULL) {
cbbf9d3e 3167 rpc_set_error(nfs->rpc, "Invalid path %s", newpath);
84004dbf 3168 free_nfs_link_data(link_data);
cbbf9d3e 3169 return -1;
84004dbf
RS		 3170 }
3171 *ptr = 0;
3172 ptr++;
3173 link_data->newobject = ptr;
3174
3175
3176 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		 3177 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
3178 return -1;
84004dbf
RS		 3179 }
3180
3181 return 0;
3182}
3183
3184
3185//qqq replace later with lseek()
3186off_t nfs_get_current_offset(struct nfsfh *nfsfh)
3187{
3188 return nfsfh->offset;
3189}
3190
17ef62fa
RS		 3191
3192
3193/*
3194 * Get the maximum supported READ3 size by the server
3195 */
3196size_t nfs_get_readmax(struct nfs_context *nfs)
3197{
3198 return nfs->readmax;
3199}
3200
3201/*
3202 * Get the maximum supported WRITE3 size by the server
3203 */
3204size_t nfs_get_writemax(struct nfs_context *nfs)
3205{
18c27b73
RS		 3206 /* Some XDR libraries can not marshall PDUs bigger than this */
3207 if (nfs->writemax < 32768) {
3208 return nfs->writemax;
3209 }
3210 return 32768;
17ef62fa 3211}
1896d37b
RS		 3212
3213void nfs_set_error(struct nfs_context *nfs, char *error_string, ...)
3214{
3215 va_list ap;
1e8994af 3216 char *str = NULL;
1896d37b 3217
1e8994af 3218 va_start(ap, error_string);
2606f9bb
RS		 3219 str = malloc(1024);
3220 vsnprintf(str, 1024, error_string, ap);
1896d37b
RS		 3221 if (nfs->rpc->error_string != NULL) {
3222 free(nfs->rpc->error_string);
3223 }
1896d37b 3224 nfs->rpc->error_string = str;
a8a1b858 3225 va_end(ap);
1896d37b 3226}
7f0242ca
RS		 3227
3228
3229
3230struct mount_cb_data {
3231 rpc_cb cb;
3232 void *private_data;
3233 char *server;
3234};
3235
3236static void free_mount_cb_data(struct mount_cb_data *data)
3237{
3238 if (data->server != NULL) {
3239 free(data->server);
3240 data->server = NULL;
3241 }
3242
3243 free(data);
3244}
3245
3246static void mount_export_5_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
3247{
3248 struct mount_cb_data *data = private_data;
3249
3250 if (status == RPC_STATUS_ERROR) {
3251 data->cb(rpc, -EFAULT, command_data, data->private_data);
3252 free_mount_cb_data(data);
3253 return;
3254 }
3255 if (status == RPC_STATUS_CANCEL) {
3256 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
3257 free_mount_cb_data(data);
3258 return;
3259 }
3260
3261 data->cb(rpc, 0, command_data, data->private_data);
3262 if (rpc_disconnect(rpc, "normal disconnect") != 0) {
3263 rpc_set_error(rpc, "Failed to disconnect\n");
3264 }
3265 free_mount_cb_data(data);
3266}
3267
3268static void mount_export_4_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
3269{
3270 struct mount_cb_data *data = private_data;
3271
14a062eb
RS		 3272 /* Dont want any more callbacks even if the socket is closed */
3273 rpc->connect_cb = NULL;
3274
7f0242ca
RS		 3275 if (status == RPC_STATUS_ERROR) {
3276 data->cb(rpc, -EFAULT, command_data, data->private_data);
3277 free_mount_cb_data(data);
3278 return;
3279 }
3280 if (status == RPC_STATUS_CANCEL) {
3281 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
3282 free_mount_cb_data(data);
3283 return;
3284 }
3285
3286 if (rpc_mount_export_async(rpc, mount_export_5_cb, data) != 0) {
3287 data->cb(rpc, -ENOMEM, command_data, data->private_data);
3288 free_mount_cb_data(data);
3289 return;
3290 }
3291}
3292
3293static void mount_export_3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
3294{
3295 struct mount_cb_data *data = private_data;
3296 uint32_t mount_port;
3297
3298 if (status == RPC_STATUS_ERROR) {
3299 data->cb(rpc, -EFAULT, command_data, data->private_data);
3300 free_mount_cb_data(data);
3301 return;
3302 }
3303 if (status == RPC_STATUS_CANCEL) {
3304 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
3305 free_mount_cb_data(data);
3306 return;
3307 }
3308
3309 mount_port = *(uint32_t *)command_data;
3310 if (mount_port == 0) {
3311 rpc_set_error(rpc, "RPC error. Mount program is not available");
3312 data->cb(rpc, -ENOENT, command_data, data->private_data);
3313 free_mount_cb_data(data);
3314 return;
3315 }
3316
3317 rpc_disconnect(rpc, "normal disconnect");
3318 if (rpc_connect_async(rpc, data->server, mount_port, mount_export_4_cb, data) != 0) {
3319 data->cb(rpc, -ENOMEM, command_data, data->private_data);
3320 free_mount_cb_data(data);
3321 return;
3322 }
3323}
3324
3325static void mount_export_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
3326{
3327 struct mount_cb_data *data = private_data;
3328
3329 if (status == RPC_STATUS_ERROR) {
3330 data->cb(rpc, -EFAULT, command_data, data->private_data);
3331 free_mount_cb_data(data);
3332 return;
3333 }
3334 if (status == RPC_STATUS_CANCEL) {
3335 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
3336 free_mount_cb_data(data);
3337 return;
3338 }
3339
3340 if (rpc_pmap_getport_async(rpc, MOUNT_PROGRAM, MOUNT_V3, mount_export_3_cb, private_data) != 0) {
3341 data->cb(rpc, -ENOMEM, command_data, data->private_data);
3342 free_mount_cb_data(data);
3343 return;
3344 }
3345}
3346
3347static void mount_export_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
3348{
3349 struct mount_cb_data *data = private_data;
3350
14a062eb
RS		 3351 /* Dont want any more callbacks even if the socket is closed */
3352 rpc->connect_cb = NULL;
3353
7f0242ca
RS		 3354 if (status == RPC_STATUS_ERROR) {
3355 data->cb(rpc, -EFAULT, command_data, data->private_data);
3356 free_mount_cb_data(data);
3357 return;
3358 }
3359 if (status == RPC_STATUS_CANCEL) {
3360 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
3361 free_mount_cb_data(data);
3362 return;
3363 }
3364
3365 if (rpc_pmap_null_async(rpc, mount_export_2_cb, data) != 0) {
3366 data->cb(rpc, -ENOMEM, command_data, data->private_data);
3367 free_mount_cb_data(data);
3368 return;
3369 }
3370}
3371
3372int mount_getexports_async(struct rpc_context *rpc, const char *server, rpc_cb cb, void *private_data)
3373{
3374 struct mount_cb_data *data;
3375
3376 data = malloc(sizeof(struct mount_cb_data));
3377 if (data == NULL) {
3378 return -1;
3379 }
ea98629a 3380 memset(data, 0, sizeof(struct mount_cb_data));
7f0242ca
RS		 3381 data->cb = cb;
3382 data->private_data = private_data;
3383 data->server = strdup(server);
3384 if (data->server == NULL) {
3385 free_mount_cb_data(data);
3386 return -1;
3387 }
3388 if (rpc_connect_async(rpc, data->server, 111, mount_export_1_cb, data) != 0) {
3389 free_mount_cb_data(data);
3390 return -1;
3391 }
3392
3393 return 0;
3394}
3395
df5af25f
RS		 3396struct rpc_context *nfs_get_rpc_context(struct nfs_context *nfs)
3397{
3398 return nfs->rpc;
3399}
3400
b077fdeb
RS		 3401const char *nfs_get_server(struct nfs_context *nfs) {
3402 return nfs->server;
3403}
3404
3405const char *nfs_get_export(struct nfs_context *nfs) {
3406 return nfs->export;
3407}
0ad9a1f1 3408
libnfs Piment Noir Debian package repository