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libnfs-raw.h: rename export -> exportname to avoid clash with C++ keyword
[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 */
00748f36
RS		 20#ifdef HAVE_CONFIG_H
21#include "config.h"
22#endif
23
108c622a
RS		 24#ifdef AROS
25#include "aros_compat.h"
00748f36
RS		 26#endif
27
a8a1b858
M		 28#ifdef WIN32
29#include "win32_compat.h"
bff8fe46
RS		 30#endif
31
32#ifdef HAVE_UTIME_H
d7c6e9aa 33#include <utime.h>
bff8fe46 34#endif
d7c6e9aa 35
d7c6e9aa 36#ifdef ANDROID
252aa90d 37#define statvfs statfs
108c622a 38#endif
a8a1b858
M		 39
40#define _GNU_SOURCE
6874f61e 41
108c622a
RS		 42#ifdef HAVE_UNISTD_H
43#include <unistd.h>
44#endif
45
46#ifdef HAVE_SYS_VFS_H
47#include <sys/vfs.h>
48#endif
49
50#ifdef HAVE_SYS_STATVFS_H
51#include <sys/statvfs.h>
52#endif
53
72897005
RS		 54#ifdef HAVE_NETINET_IN_H
55#include <netinet/in.h>
56#endif
57
bff8fe46
RS		 58#ifdef HAVE_STRINGS_H
59#include <strings.h>
60#endif
61
84004dbf 62#include <stdio.h>
1896d37b 63#include <stdarg.h>
84004dbf
RS		 64#include <stdlib.h>
65#include <string.h>
f3a75078 66#include <assert.h>
84004dbf
RS		 67#include <errno.h>
68#include <sys/types.h>
69#include <sys/stat.h>
84004dbf 70#include <fcntl.h>
763cd6e3 71#include "libnfs-zdr.h"
84004dbf
RS		 72#include "libnfs.h"
73#include "libnfs-raw.h"
74#include "libnfs-raw-mount.h"
75#include "libnfs-raw-nfs.h"
1896d37b
RS		 76#include "libnfs-private.h"
77
78struct nfsdir {
79 struct nfsdirent *entries;
80 struct nfsdirent *current;
81};
84004dbf
RS		 82
83struct nfsfh {
84 struct nfs_fh3 fh;
85 int is_sync;
183451cf 86 uint64_t offset;
84004dbf
RS		 87};
88
1896d37b
RS		 89struct nfs_context {
90 struct rpc_context *rpc;
91 char *server;
92 char *export;
93 struct nfs_fh3 rootfh;
183451cf
RS		 94 uint64_t readmax;
95 uint64_t writemax;
f893b680 96 char *cwd;
84004dbf
RS		 97};
98
99void nfs_free_nfsdir(struct nfsdir *nfsdir)
100{
101 while (nfsdir->entries) {
102 struct nfsdirent *dirent = nfsdir->entries->next;
103 if (nfsdir->entries->name != NULL) {
104 free(nfsdir->entries->name);
105 }
106 free(nfsdir->entries);
107 nfsdir->entries = dirent;
108 }
109 free(nfsdir);
110}
111
84004dbf
RS		 112struct nfs_cb_data;
113typedef int (*continue_func)(struct nfs_context *nfs, struct nfs_cb_data *data);
114
115struct nfs_cb_data {
116 struct nfs_context *nfs;
117 struct nfsfh *nfsfh;
118 char *saved_path, *path;
119
120 nfs_cb cb;
121 void *private_data;
122
123 continue_func continue_cb;
124 void *continue_data;
125 void (*free_continue_data)(void *);
126 int continue_int;
127
128 struct nfs_fh3 fh;
921f877b
RS		 129
130 /* for multi-read/write calls. */
131 int error;
132 int cancel;
133 int num_calls;
183451cf 134 uint64_t start_offset, max_offset;
921f877b
RS		 135 char *buffer;
136};
137
138struct nfs_mcb_data {
139 struct nfs_cb_data *data;
183451cf
RS		 140 uint64_t offset;
141 uint64_t count;
84004dbf
RS		 142};
143
144static int nfs_lookup_path_async_internal(struct nfs_context *nfs, struct nfs_cb_data *data, struct nfs_fh3 *fh);
145
67ba2239 146void nfs_set_auth(struct nfs_context *nfs, struct AUTH *auth)
84004dbf 147{
9896c715 148 rpc_set_auth(nfs->rpc, auth);
84004dbf
RS		 149}
150
151int nfs_get_fd(struct nfs_context *nfs)
152{
153 return rpc_get_fd(nfs->rpc);
154}
155
83aa785d
RS		 156int nfs_queue_length(struct nfs_context *nfs)
157{
158 return rpc_queue_length(nfs->rpc);
159}
160
84004dbf
RS		 161int nfs_which_events(struct nfs_context *nfs)
162{
163 return rpc_which_events(nfs->rpc);
164}
165
166int nfs_service(struct nfs_context *nfs, int revents)
167{
168 return rpc_service(nfs->rpc, revents);
169}
170
171char *nfs_get_error(struct nfs_context *nfs)
172{
173 return rpc_get_error(nfs->rpc);
174};
175
20d6926e 176static int nfs_set_context_args(struct nfs_context *nfs, char *arg, char *val)
36f488dc
RS		 177{
178 if (!strncmp(arg, "tcp-syncnt", 10)) {
20d6926e 179 rpc_set_tcp_syncnt(nfs_get_rpc_context(nfs), atoi(val));
36f488dc 180 } else if (!strncmp(arg, "uid", 3)) {
20d6926e 181 rpc_set_uid(nfs_get_rpc_context(nfs), atoi(val));
36f488dc 182 } else if (!strncmp(arg, "gid", 3)) {
20d6926e 183 rpc_set_gid(nfs_get_rpc_context(nfs), atoi(val));
36f488dc
RS		 184 }
185 return 0;
186}
187
6bdcd5b6 188static struct nfs_url *nfs_parse_url(struct nfs_context *nfs, const char *url, int dir, int incomplete)
d2ec73c7
PL		 189{
190 struct nfs_url *urls;
191 char *strp, *flagsp, *strp2;
192
193 if (strncmp(url, "nfs://", 6)) {
194 rpc_set_error(nfs->rpc, "Invalid URL specified");
195 return NULL;
196 }
197
198 urls = malloc(sizeof(struct nfs_url));
199 if (urls == NULL) {
200 rpc_set_error(nfs->rpc, "Out of memory");
201 return NULL;
202 }
203
b70567b6 204 memset(urls, 0x00, sizeof(struct nfs_url));
d2ec73c7
PL		 205 urls->server = strdup(url + 6);
206 if (urls->server == NULL) {
207 nfs_destroy_url(urls);
208 rpc_set_error(nfs->rpc, "Out of memory");
209 return NULL;
210 }
211
212 if (urls->server[0] == '/' || urls->server[0] == '\0' ||
213 urls->server[0] == '?') {
214 if (incomplete) {
215 flagsp = strchr(urls->server, '?');
216 goto flags;
217 }
218 nfs_destroy_url(urls);
219 rpc_set_error(nfs->rpc, "Invalid server string");
220 return NULL;
221 }
222
223 strp = strchr(urls->server, '/');
224 if (strp == NULL) {
225 if (incomplete) {
226 flagsp = strchr(urls->server, '?');
227 goto flags;
228 }
229 nfs_destroy_url(urls);
230 rpc_set_error(nfs->rpc, "Incomplete or invalid URL specified.");
231 return NULL;
232 }
233
234 urls->path = strdup(strp);
235 if (urls->path == NULL) {
236 nfs_destroy_url(urls);
237 rpc_set_error(nfs->rpc, "Out of memory");
238 return NULL;
239 }
240 *strp = 0;
241
242 if (dir) {
243 flagsp = strchr(urls->path, '?');
244 goto flags;
245 }
246
247 strp = strrchr(urls->path, '/');
248 if (strp == NULL) {
249 if (incomplete) {
250 flagsp = strchr(urls->path, '?');
251 goto flags;
252 }
253 nfs_destroy_url(urls);
254 rpc_set_error(nfs->rpc, "Incomplete or invalid URL specified.");
255 return NULL;
256 }
257 urls->file = strdup(strp);
258 if (urls->path == NULL) {
259 nfs_destroy_url(urls);
260 rpc_set_error(nfs->rpc, "Out of memory");
261 return NULL;
262 }
263 *strp = 0;
264 flagsp = strchr(urls->file, '?');
265
266flags:
267 if (flagsp) {
268 *flagsp = 0;
269 }
270
271 if (urls->file && !strlen(urls->file)) {
272 free(urls->file);
273 urls->file = NULL;
274 if (!incomplete) {
275 nfs_destroy_url(urls);
276 rpc_set_error(nfs->rpc, "Incomplete or invalid URL specified.");
277 return NULL;
278 }
279 }
280
d2ec73c7
PL		 281 while (flagsp != NULL && *(flagsp+1) != 0) {
282 strp = flagsp + 1;
283 flagsp = strchr(strp, '&');
284 if (flagsp) {
285 *flagsp = 0;
286 }
287 strp2 = strchr(strp, '=');
288 if (strp2) {
289 *strp2 = 0;
290 strp2++;
20d6926e 291 nfs_set_context_args(nfs, strp, strp2);
d2ec73c7
PL		 292 }
293 }
294
1f1b1c5c
PL		 295 if (urls->server && strlen(urls->server) <= 1) {
296 free(urls->server);
297 urls->server = NULL;
298 }
299
d2ec73c7
PL		 300 return urls;
301}
302
303struct nfs_url *nfs_parse_url_full(struct nfs_context *nfs, const char *url)
304{
305 return nfs_parse_url(nfs, url, 0, 0);
306}
307
308struct nfs_url *nfs_parse_url_dir(struct nfs_context *nfs, const char *url)
309{
310 return nfs_parse_url(nfs, url, 1, 0);
311}
312
313struct nfs_url *nfs_parse_url_incomplete(struct nfs_context *nfs, const char *url)
314{
315 return nfs_parse_url(nfs, url, 0, 1);
316}
317
318
319void nfs_destroy_url(struct nfs_url *url)
320{
321 if (url) {
322 free(url->server);
323 free(url->path);
324 free(url->file);
325 }
326 free(url);
327}
328
84004dbf
RS		 329struct nfs_context *nfs_init_context(void)
330{
331 struct nfs_context *nfs;
332
333 nfs = malloc(sizeof(struct nfs_context));
334 if (nfs == NULL) {
84004dbf
RS		 335 return NULL;
336 }
f893b680
RS		 337 memset(nfs, 0, sizeof(struct nfs_context));
338
84004dbf
RS		 339 nfs->rpc = rpc_init_context();
340 if (nfs->rpc == NULL) {
84004dbf
RS		 341 free(nfs);
342 return NULL;
343 }
344
f893b680 345 nfs->cwd = strdup("/");
963c2f83 346
84004dbf
RS		 347 return nfs;
348}
349
350void nfs_destroy_context(struct nfs_context *nfs)
351{
352 rpc_destroy_context(nfs->rpc);
353 nfs->rpc = NULL;
354
355 if (nfs->server) {
356 free(nfs->server);
357 nfs->server = NULL;
358 }
359
360 if (nfs->export) {
361 free(nfs->export);
362 nfs->export = NULL;
363 }
364
f893b680
RS		 365 if (nfs->cwd) {
366 free(nfs->cwd);
367 nfs->cwd = NULL;
368 }
369
84004dbf
RS		 370 if (nfs->rootfh.data.data_val != NULL) {
371 free(nfs->rootfh.data.data_val);
372 nfs->rootfh.data.data_val = NULL;
373 }
374
375 free(nfs);
376}
377
8733f38d
RS		 378struct rpc_cb_data {
379 char *server;
380 uint32_t program;
381 uint32_t version;
382
383 rpc_cb cb;
384 void *private_data;
2452c57f 385};
8733f38d
RS		 386
387void free_rpc_cb_data(struct rpc_cb_data *data)
388{
389 free(data->server);
390 data->server = NULL;
391 free(data);
392}
393
394static void rpc_connect_program_4_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
395{
396 struct rpc_cb_data *data = private_data;
397
398 assert(rpc->magic == RPC_CONTEXT_MAGIC);
399
400 /* Dont want any more callbacks even if the socket is closed */
401 rpc->connect_cb = NULL;
402
403 if (status == RPC_STATUS_ERROR) {
404 data->cb(rpc, status, command_data, data->private_data);
405 free_rpc_cb_data(data);
406 return;
407 }
408 if (status == RPC_STATUS_CANCEL) {
409 data->cb(rpc, status, "Command was cancelled", data->private_data);
410 free_rpc_cb_data(data);
411 return;
412 }
413
414 data->cb(rpc, status, NULL, data->private_data);
415 free_rpc_cb_data(data);
416}
417
418static void rpc_connect_program_3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
419{
420 struct rpc_cb_data *data = private_data;
421 uint32_t rpc_port;
422
423 assert(rpc->magic == RPC_CONTEXT_MAGIC);
424
4b1ae88a 425 if (status == RPC_STATUS_ERROR) {
8733f38d
RS		 426 data->cb(rpc, status, command_data, data->private_data);
427 free_rpc_cb_data(data);
428 return;
429 }
430 if (status == RPC_STATUS_CANCEL) {
431 data->cb(rpc, status, "Command was cancelled", data->private_data);
432 free_rpc_cb_data(data);
433 return;
434 }
435
436 rpc_port = *(uint32_t *)command_data;
437 if (rpc_port == 0) {
438 rpc_set_error(rpc, "RPC error. Program is not available on %s", data->server);
439 data->cb(rpc, RPC_STATUS_ERROR, rpc_get_error(rpc), data->private_data);
440 free_rpc_cb_data(data);
441 return;
442 }
443
444 rpc_disconnect(rpc, "normal disconnect");
445 if (rpc_connect_async(rpc, data->server, rpc_port, rpc_connect_program_4_cb, data) != 0) {
446 data->cb(rpc, status, command_data, data->private_data);
447 free_rpc_cb_data(data);
448 return;
449 }
450}
451
452static void rpc_connect_program_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
453{
454 struct rpc_cb_data *data = private_data;
455
456 assert(rpc->magic == RPC_CONTEXT_MAGIC);
457
458 if (status == RPC_STATUS_ERROR) {
459 data->cb(rpc, status, command_data, data->private_data);
460 free_rpc_cb_data(data);
461 return;
462 }
463 if (status == RPC_STATUS_CANCEL) {
464 data->cb(rpc, status, "Command was cancelled", data->private_data);
465 free_rpc_cb_data(data);
466 return;
467 }
468
469 if (rpc_pmap_getport_async(rpc, data->program, data->version, IPPROTO_TCP, rpc_connect_program_3_cb, private_data) != 0) {
470 data->cb(rpc, status, command_data, data->private_data);
471 free_rpc_cb_data(data);
472 return;
473 }
474}
475
476static void rpc_connect_program_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
477{
478 struct rpc_cb_data *data = private_data;
479
480 assert(rpc->magic == RPC_CONTEXT_MAGIC);
481
482 /* Dont want any more callbacks even if the socket is closed */
483 rpc->connect_cb = NULL;
484
485 if (status == RPC_STATUS_ERROR) {
486 data->cb(rpc, status, command_data, data->private_data);
487 free_rpc_cb_data(data);
488 return;
489 }
490 if (status == RPC_STATUS_CANCEL) {
491 data->cb(rpc, status, "Command was cancelled", data->private_data);
492 free_rpc_cb_data(data);
493 return;
494 }
495
496 if (rpc_pmap_null_async(rpc, rpc_connect_program_2_cb, data) != 0) {
497 data->cb(rpc, status, command_data, data->private_data);
498 free_rpc_cb_data(data);
499 return;
500 }
501}
502
503int rpc_connect_program_async(struct rpc_context *rpc, char *server, int program, int version, rpc_cb cb, void *private_data)
504{
505 struct rpc_cb_data *data;
506
507 data = malloc(sizeof(struct rpc_cb_data));
508 if (data == NULL) {
509 return -1;
510 }
511 memset(data, 0, sizeof(struct rpc_cb_data));
512 data->server = strdup(server);
513 data->program = program;
514 data->version = version;
515
516 data->cb = cb;
517 data->private_data = private_data;
518
519 if (rpc_connect_async(rpc, server, 111, rpc_connect_program_1_cb, data) != 0) {
520 rpc_set_error(rpc, "Failed to start connection");
521 free_rpc_cb_data(data);
522 return -1;
523 }
524 return 0;
525}
526
84004dbf
RS		 527void free_nfs_cb_data(struct nfs_cb_data *data)
528{
529 if (data->saved_path != NULL) {
530 free(data->saved_path);
531 data->saved_path = NULL;
532 }
533
534 if (data->continue_data != NULL) {
535 data->free_continue_data(data->continue_data);
536 data->continue_data = NULL;
537 }
538
539 if (data->fh.data.data_val != NULL) {
540 free(data->fh.data.data_val);
541 data->fh.data.data_val = NULL;
542 }
543
921f877b
RS		 544 if (data->buffer != NULL) {
545 free(data->buffer);
546 data->buffer = NULL;
547 }
548
84004dbf
RS		 549 free(data);
550}
551
552
553
554
555
f3a75078 556static void nfs_mount_10_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 557{
558 struct nfs_cb_data *data = private_data;
559 struct nfs_context *nfs = data->nfs;
560
f3a75078
RS		 561 assert(rpc->magic == RPC_CONTEXT_MAGIC);
562
84004dbf
RS		 563 if (status == RPC_STATUS_ERROR) {
564 data->cb(-EFAULT, nfs, command_data, data->private_data);
565 free_nfs_cb_data(data);
566 return;
567 }
568 if (status == RPC_STATUS_CANCEL) {
569 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
570 free_nfs_cb_data(data);
571 return;
572 }
573
574 data->cb(0, nfs, NULL, data->private_data);
575 free_nfs_cb_data(data);
576}
577
17ef62fa 578static void nfs_mount_9_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 579{
580 struct nfs_cb_data *data = private_data;
581 struct nfs_context *nfs = data->nfs;
17ef62fa 582 FSINFO3res *res = command_data;
463d59bf 583 struct GETATTR3args args;
84004dbf 584
f3a75078
RS		 585 assert(rpc->magic == RPC_CONTEXT_MAGIC);
586
84004dbf
RS		 587 if (status == RPC_STATUS_ERROR) {
588 data->cb(-EFAULT, nfs, command_data, data->private_data);
589 free_nfs_cb_data(data);
590 return;
591 }
592 if (status == RPC_STATUS_CANCEL) {
593 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
594 free_nfs_cb_data(data);
595 return;
596 }
597
17ef62fa
RS		 598 nfs->readmax = res->FSINFO3res_u.resok.rtmax;
599 nfs->writemax = res->FSINFO3res_u.resok.wtmax;
84004dbf 600
463d59bf 601 memset(&args, 0, sizeof(GETATTR3args));
2452c57f 602 args.object = nfs->rootfh;
463d59bf
RS		 603
604 if (rpc_nfs3_getattr_async(rpc, nfs_mount_10_cb, &args, data) != 0) {
84004dbf
RS		 605 data->cb(-ENOMEM, nfs, command_data, data->private_data);
606 free_nfs_cb_data(data);
607 return;
608 }
609}
610
17ef62fa
RS		 611static void nfs_mount_8_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
612{
613 struct nfs_cb_data *data = private_data;
614 struct nfs_context *nfs = data->nfs;
c4ba61c5 615 struct FSINFO3args args;
17ef62fa 616
f3a75078
RS		 617 assert(rpc->magic == RPC_CONTEXT_MAGIC);
618
17ef62fa
RS		 619 if (status == RPC_STATUS_ERROR) {
620 data->cb(-EFAULT, nfs, command_data, data->private_data);
621 free_nfs_cb_data(data);
622 return;
623 }
624 if (status == RPC_STATUS_CANCEL) {
625 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
626 free_nfs_cb_data(data);
627 return;
628 }
629
c4ba61c5
RS		 630 args.fsroot = nfs->rootfh;
631 if (rpc_nfs3_fsinfo_async(rpc, nfs_mount_9_cb, &args, data) != 0) {
17ef62fa
RS		 632 data->cb(-ENOMEM, nfs, command_data, data->private_data);
633 free_nfs_cb_data(data);
634 return;
635 }
636}
637
638
84004dbf
RS		 639static void nfs_mount_7_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
640{
641 struct nfs_cb_data *data = private_data;
642 struct nfs_context *nfs = data->nfs;
643
f3a75078
RS		 644 assert(rpc->magic == RPC_CONTEXT_MAGIC);
645
14a062eb
RS		 646 /* Dont want any more callbacks even if the socket is closed */
647 rpc->connect_cb = NULL;
648
84004dbf
RS		 649 if (status == RPC_STATUS_ERROR) {
650 data->cb(-EFAULT, nfs, command_data, data->private_data);
651 free_nfs_cb_data(data);
652 return;
653 }
654 if (status == RPC_STATUS_CANCEL) {
655 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
656 free_nfs_cb_data(data);
657 return;
658 }
659
dc3ed8c3 660 if (rpc_nfs3_null_async(rpc, nfs_mount_8_cb, data) != 0) {
84004dbf
RS		 661 data->cb(-ENOMEM, nfs, command_data, data->private_data);
662 free_nfs_cb_data(data);
663 return;
664 }
665}
666
667
668static void nfs_mount_6_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
669{
670 struct nfs_cb_data *data = private_data;
671 struct nfs_context *nfs = data->nfs;
672 mountres3 *res;
673
f3a75078
RS		 674 assert(rpc->magic == RPC_CONTEXT_MAGIC);
675
84004dbf
RS		 676 if (status == RPC_STATUS_ERROR) {
677 data->cb(-EFAULT, nfs, command_data, data->private_data);
678 free_nfs_cb_data(data);
679 return;
680 }
681 if (status == RPC_STATUS_CANCEL) {
682 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
683 free_nfs_cb_data(data);
684 return;
685 }
686
687 res = command_data;
688 if (res->fhs_status != MNT3_OK) {
689 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));
690 data->cb(mountstat3_to_errno(res->fhs_status), nfs, rpc_get_error(rpc), data->private_data);
691 free_nfs_cb_data(data);
692 return;
693 }
694
695 nfs->rootfh.data.data_len = res->mountres3_u.mountinfo.fhandle.fhandle3_len;
696 nfs->rootfh.data.data_val = malloc(nfs->rootfh.data.data_len);
697 if (nfs->rootfh.data.data_val == NULL) {
698 rpc_set_error(rpc, "Out of memory. Could not allocate memory to store root filehandle");
699 data->cb(-ENOMEM, nfs, rpc_get_error(rpc), data->private_data);
700 free_nfs_cb_data(data);
701 return;
702 }
703 memcpy(nfs->rootfh.data.data_val, res->mountres3_u.mountinfo.fhandle.fhandle3_val, nfs->rootfh.data.data_len);
704
705 rpc_disconnect(rpc, "normal disconnect");
706 if (rpc_connect_async(rpc, nfs->server, 2049, nfs_mount_7_cb, data) != 0) {
707 data->cb(-ENOMEM, nfs, command_data, data->private_data);
708 free_nfs_cb_data(data);
709 return;
710 }
1744ef90
RS		 711 /* NFS TCP connections we want to autoreconnect after sessions are torn down (due to inactivity or error) */
712 rpc_set_autoreconnect(rpc);
84004dbf
RS		 713}
714
715
716static void nfs_mount_5_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
717{
718 struct nfs_cb_data *data = private_data;
719 struct nfs_context *nfs = data->nfs;
720
f3a75078
RS		 721 assert(rpc->magic == RPC_CONTEXT_MAGIC);
722
84004dbf
RS		 723 if (status == RPC_STATUS_ERROR) {
724 data->cb(-EFAULT, nfs, command_data, data->private_data);
725 free_nfs_cb_data(data);
726 return;
727 }
728 if (status == RPC_STATUS_CANCEL) {
729 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
730 free_nfs_cb_data(data);
731 return;
732 }
733
eda77ec3 734 if (rpc_mount3_mnt_async(rpc, nfs_mount_6_cb, nfs->export, data) != 0) {
84004dbf
RS		 735 data->cb(-ENOMEM, nfs, command_data, data->private_data);
736 free_nfs_cb_data(data);
737 return;
738 }
739}
740
741static void nfs_mount_4_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
742{
743 struct nfs_cb_data *data = private_data;
744 struct nfs_context *nfs = data->nfs;
745
f3a75078
RS		 746 assert(rpc->magic == RPC_CONTEXT_MAGIC);
747
14a062eb
RS		 748 /* Dont want any more callbacks even if the socket is closed */
749 rpc->connect_cb = NULL;
750
84004dbf
RS		 751 if (status == RPC_STATUS_ERROR) {
752 data->cb(-EFAULT, nfs, command_data, data->private_data);
753 free_nfs_cb_data(data);
754 return;
755 }
756 if (status == RPC_STATUS_CANCEL) {
757 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
758 free_nfs_cb_data(data);
759 return;
760 }
761
eda77ec3 762 if (rpc_mount3_null_async(rpc, nfs_mount_5_cb, data) != 0) {
84004dbf
RS		 763 data->cb(-ENOMEM, nfs, command_data, data->private_data);
764 free_nfs_cb_data(data);
765 return;
766 }
767}
768
769static void nfs_mount_3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
770{
771 struct nfs_cb_data *data = private_data;
772 struct nfs_context *nfs = data->nfs;
773 uint32_t mount_port;
774
f3a75078
RS		 775 assert(rpc->magic == RPC_CONTEXT_MAGIC);
776
4b1ae88a 777 if (status == RPC_STATUS_ERROR) {
84004dbf
RS		 778 data->cb(-EFAULT, nfs, command_data, data->private_data);
779 free_nfs_cb_data(data);
780 return;
781 }
782 if (status == RPC_STATUS_CANCEL) {
783 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
784 free_nfs_cb_data(data);
785 return;
786 }
787
788 mount_port = *(uint32_t *)command_data;
789 if (mount_port == 0) {
790 rpc_set_error(rpc, "RPC error. Mount program is not available on %s", nfs->server);
791 data->cb(-ENOENT, nfs, command_data, data->private_data);
792 free_nfs_cb_data(data);
793 return;
794 }
795
796 rpc_disconnect(rpc, "normal disconnect");
797 if (rpc_connect_async(rpc, nfs->server, mount_port, nfs_mount_4_cb, data) != 0) {
798 data->cb(-ENOMEM, nfs, command_data, data->private_data);
799 free_nfs_cb_data(data);
800 return;
801 }
802}
803
804
805static void nfs_mount_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
806{
807 struct nfs_cb_data *data = private_data;
808 struct nfs_context *nfs = data->nfs;
809
f3a75078
RS		 810 assert(rpc->magic == RPC_CONTEXT_MAGIC);
811
84004dbf
RS		 812 if (status == RPC_STATUS_ERROR) {
813 data->cb(-EFAULT, nfs, command_data, data->private_data);
814 free_nfs_cb_data(data);
815 return;
816 }
817 if (status == RPC_STATUS_CANCEL) {
818 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
819 free_nfs_cb_data(data);
820 return;
821 }
822
5c6b1176 823 if (rpc_pmap_getport_async(rpc, MOUNT_PROGRAM, MOUNT_V3, IPPROTO_TCP, nfs_mount_3_cb, private_data) != 0) {
84004dbf
RS		 824 data->cb(-ENOMEM, nfs, command_data, data->private_data);
825 free_nfs_cb_data(data);
826 return;
827 }
828}
829
830static void nfs_mount_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
831{
832 struct nfs_cb_data *data = private_data;
833 struct nfs_context *nfs = data->nfs;
834
f3a75078
RS		 835 assert(rpc->magic == RPC_CONTEXT_MAGIC);
836
14a062eb
RS		 837 /* Dont want any more callbacks even if the socket is closed */
838 rpc->connect_cb = NULL;
839
84004dbf
RS		 840 if (status == RPC_STATUS_ERROR) {
841 data->cb(-EFAULT, nfs, command_data, data->private_data);
842 free_nfs_cb_data(data);
843 return;
844 }
845 if (status == RPC_STATUS_CANCEL) {
846 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
847 free_nfs_cb_data(data);
848 return;
849 }
850
851 if (rpc_pmap_null_async(rpc, nfs_mount_2_cb, data) != 0) {
852 data->cb(-ENOMEM, nfs, command_data, data->private_data);
853 free_nfs_cb_data(data);
854 return;
855 }
856}
857
858/*
859 * Async call for mounting an nfs share and geting the root filehandle
860 */
861int nfs_mount_async(struct nfs_context *nfs, const char *server, const char *export, nfs_cb cb, void *private_data)
862{
863 struct nfs_cb_data *data;
b077fdeb 864 char *new_server, *new_export;
84004dbf
RS		 865
866 data = malloc(sizeof(struct nfs_cb_data));
867 if (data == NULL) {
cbbf9d3e 868 rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for nfs mount data");
84004dbf
RS		 869 return -1;
870 }
ea98629a 871 memset(data, 0, sizeof(struct nfs_cb_data));
b077fdeb
RS		 872 new_server = strdup(server);
873 new_export = strdup(export);
874 if (nfs->server != NULL) {
875 free(nfs->server);
b077fdeb
RS		 876 }
877 nfs->server = new_server;
878 if (nfs->export != NULL) {
879 free(nfs->export);
b077fdeb
RS		 880 }
881 nfs->export = new_export;
84004dbf
RS		 882 data->nfs = nfs;
883 data->cb = cb;
884 data->private_data = private_data;
885
886 if (rpc_connect_async(nfs->rpc, server, 111, nfs_mount_1_cb, data) != 0) {
cbbf9d3e 887 rpc_set_error(nfs->rpc, "Failed to start connection");
84004dbf 888 free_nfs_cb_data(data);
cbbf9d3e 889 return -1;
84004dbf
RS		 890 }
891
892 return 0;
893}
894
895
896
897/*
898 * Functions to first look up a path, component by component, and then finally call a specific function once
899 * the filehandle for the final component is found.
900 */
f3a75078 901static void nfs_lookup_path_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 902{
903 struct nfs_cb_data *data = private_data;
904 struct nfs_context *nfs = data->nfs;
905 LOOKUP3res *res;
906
f3a75078
RS		 907 assert(rpc->magic == RPC_CONTEXT_MAGIC);
908
84004dbf
RS		 909 if (status == RPC_STATUS_ERROR) {
910 data->cb(-EFAULT, nfs, command_data, data->private_data);
911 free_nfs_cb_data(data);
912 return;
913 }
914 if (status == RPC_STATUS_CANCEL) {
915 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
916 free_nfs_cb_data(data);
917 return;
918 }
919
920 res = command_data;
921 if (res->status != NFS3_OK) {
922 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));
923 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
924 free_nfs_cb_data(data);
925 return;
926 }
927
928 if (nfs_lookup_path_async_internal(nfs, data, &res->LOOKUP3res_u.resok.object) != 0) {
929 rpc_set_error(nfs->rpc, "Failed to create lookup pdu");
930 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
931 free_nfs_cb_data(data);
932 return;
933 }
934}
935
936static int nfs_lookup_path_async_internal(struct nfs_context *nfs, struct nfs_cb_data *data, struct nfs_fh3 *fh)
937{
f893b680 938 char *path, *slash;
463d59bf 939 LOOKUP3args args;
84004dbf
RS		 940
941 while (*data->path == '/') {
942 data->path++;
943 }
944
945 path = data->path;
f893b680
RS		 946 slash = strchr(path, '/');
947 if (slash != NULL) {
948 /* Clear slash so that path is a zero terminated string for
949 * the current path component. Set it back to '/' again later
950 * when we are finished referencing this component so that
951 * data->saved_path will still point to the full
952 * normalized path.
953 */
954 *slash = 0;
955 data->path = slash+1;
84004dbf
RS		 956 } else {
957 while (*data->path != 0) {
958 data->path++;
959 }
960 }
961
962 if (*path == 0) {
963 data->fh.data.data_len = fh->data.data_len;
964 data->fh.data.data_val = malloc(data->fh.data.data_len);
965 if (data->fh.data.data_val == NULL) {
966 rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh for %s", data->path);
967 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
968 free_nfs_cb_data(data);
969 return -1;
970 }
971 memcpy(data->fh.data.data_val, fh->data.data_val, data->fh.data.data_len);
f893b680
RS		 972 if (slash != NULL) {
973 *slash = '/';
974 }
84004dbf
RS		 975 data->continue_cb(nfs, data);
976 return 0;
977 }
978
463d59bf
RS		 979
980 memset(&args, 0, sizeof(LOOKUP3args));
2452c57f
RS		 981 args.what.dir = *fh;
982 args.what.name = path;
463d59bf
RS		 983
984 if (rpc_nfs3_lookup_async(nfs->rpc, nfs_lookup_path_1_cb, &args, data) != 0) {
84004dbf
RS		 985 rpc_set_error(nfs->rpc, "RPC error: Failed to send lookup call for %s", data->path);
986 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
987 free_nfs_cb_data(data);
988 return -1;
989 }
f893b680
RS		 990 if (slash != NULL) {
991 *slash = '/';
992 }
993 return 0;
994}
995
996static int nfs_normalize_path(struct nfs_context *nfs, char *path)
997{
998 char *str;
999 int len;
1000
1001 /* // -> / */
4b1ae88a 1002 while ((str = strstr(path, "//"))) {
f893b680
RS		 1003 while(*str) {
1004 *str = *(str + 1);
1005 str++;
1006 }
1007 }
1008
1009 /* /./ -> / */
4b1ae88a 1010 while ((str = strstr(path, "/./"))) {
f893b680
RS		 1011 while(*(str + 1)) {
1012 *str = *(str + 2);
1013 str++;
1014 }
1015 }
1016
1017 /* ^/../ -> error */
1018 if (!strncmp(path, "/../", 4)) {
1019 rpc_set_error(nfs->rpc,
1020 "Absolute path starts with '/../' "
1021 "during normalization");
1022 return -1;
1023 }
1024
1025 /* ^[^/] -> error */
1026 if (path[0] != '/') {
1027 rpc_set_error(nfs->rpc,
1028 "Absolute path does not start with '/'");
1029 return -1;
1030 }
1031
1032 /* /string/../ -> / */
4b1ae88a 1033 while ((str = strstr(path, "/../"))) {
f893b680
RS		 1034 char *tmp;
1035
1036 if (!strncmp(path, "/../", 4)) {
1037 rpc_set_error(nfs->rpc,
1038 "Absolute path starts with '/../' "
1039 "during normalization");
1040 return -1;
1041 }
1042
1043 tmp = str - 1;
1044 while (*tmp != '/') {
1045 tmp--;
1046 }
1047 str += 3;
1048 while((*(tmp++) = *(str++)) != '\0')
1049 ;
1050 }
1051
1052 /* /$ -> \0 */
1053 len = strlen(path);
1054 if (len >= 1) {
1055 if (path[len - 1] == '/') {
1056 path[len - 1] = '\0';
1057 len--;
1058 }
1059 }
1060 if (path[0] == '\0') {
1061 rpc_set_error(nfs->rpc,
1062 "Absolute path became '' "
1063 "during normalization");
1064 return -1;
1065 }
1066
1067 /* /.$ -> \0 */
1068 if (len >= 2) {
1069 if (!strcmp(&path[len - 2], "/.")) {
1070 path[len - 2] = '\0';
1071 len -= 2;
1072 }
1073 }
1074
1075 /* ^/..$ -> error */
1076 if (!strcmp(path, "/..")) {
1077 rpc_set_error(nfs->rpc,
1078 "Absolute path is '/..' "
1079 "during normalization");
1080 return -1;
1081 }
1082
1083 /* /string/..$ -> / */
1084 if (len >= 3) {
1085 if (!strcmp(&path[len - 3], "/..")) {
1086 char *tmp = &path[len - 3];
1087 while (*--tmp != '/')
1088 ;
4b1ae88a 1089 *tmp = '\0';
f893b680
RS		 1090 }
1091 }
1092
84004dbf
RS		 1093 return 0;
1094}
1095
1096static 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)
1097{
1098 struct nfs_cb_data *data;
1099
f893b680 1100 if (path[0] == '\0') {
34edf264 1101 path = ".";
84004dbf
RS		 1102 }
1103
1104 data = malloc(sizeof(struct nfs_cb_data));
1105 if (data == NULL) {
f893b680
RS		 1106 rpc_set_error(nfs->rpc, "out of memory: failed to allocate "
1107 "nfs_cb_data structure");
cbbf9d3e 1108 return -1;
84004dbf 1109 }
ea98629a 1110 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1111 data->nfs = nfs;
1112 data->cb = cb;
1113 data->continue_cb = continue_cb;
1114 data->continue_data = continue_data;
1115 data->free_continue_data = free_continue_data;
1116 data->continue_int = continue_int;
1117 data->private_data = private_data;
f893b680
RS		 1118 if (path[0] == '/') {
1119 data->saved_path = strdup(path);
1120 } else {
1121 data->saved_path = malloc(strlen(path) + strlen(nfs->cwd) + 2);
1122 if (data->saved_path == NULL) {
1123 rpc_set_error(nfs->rpc, "out of memory: failed to "
1124 "malloc path string");
1125 free_nfs_cb_data(data);
1126 return -1;
1127 }
1128 sprintf(data->saved_path, "%s/%s", nfs->cwd, path);
1129 }
1130
84004dbf
RS		 1131 if (data->saved_path == NULL) {
1132 rpc_set_error(nfs->rpc, "out of memory: failed to copy path string");
84004dbf 1133 free_nfs_cb_data(data);
cbbf9d3e 1134 return -1;
84004dbf 1135 }
f893b680
RS		 1136 if (nfs_normalize_path(nfs, data->saved_path) != 0) {
1137 free_nfs_cb_data(data);
1138 return -1;
1139 }
1140
84004dbf
RS		 1141 data->path = data->saved_path;
1142
1143 if (nfs_lookup_path_async_internal(nfs, data, &nfs->rootfh) != 0) {
84004dbf
RS		 1144 /* return 0 here since the callback will be invoked if there is a failure */
1145 return 0;
1146 }
1147 return 0;
1148}
1149
1150
1151
1152
1153
1154/*
1155 * Async stat()
1156 */
f3a75078 1157static void nfs_stat_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1158{
1159 GETATTR3res *res;
1160 struct nfs_cb_data *data = private_data;
1161 struct nfs_context *nfs = data->nfs;
be184101
M		 1162#ifdef WIN32
1163 struct __stat64 st;
1164#else
84004dbf 1165 struct stat st;
be184101 1166#endif
84004dbf 1167
f3a75078
RS		 1168 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1169
84004dbf
RS		 1170 if (status == RPC_STATUS_ERROR) {
1171 data->cb(-EFAULT, nfs, command_data, data->private_data);
1172 free_nfs_cb_data(data);
1173 return;
1174 }
1175 if (status == RPC_STATUS_CANCEL) {
1176 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1177 free_nfs_cb_data(data);
1178 return;
1179 }
1180
1181 res = command_data;
1182 if (res->status != NFS3_OK) {
1183 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));
1184 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1185 free_nfs_cb_data(data);
1186 return;
1187 }
1188
1189 st.st_dev = -1;
1190 st.st_ino = res->GETATTR3res_u.resok.obj_attributes.fileid;
1191 st.st_mode = res->GETATTR3res_u.resok.obj_attributes.mode;
e8cab72a
RS		 1192 if (res->GETATTR3res_u.resok.obj_attributes.type == NF3DIR) {
1193 st.st_mode |= S_IFDIR ;
1194 }
d7ec001f
RS		 1195 if (res->GETATTR3res_u.resok.obj_attributes.type == NF3REG) {
1196 st.st_mode |= S_IFREG ;
1197 }
84004dbf
RS		 1198 st.st_nlink = res->GETATTR3res_u.resok.obj_attributes.nlink;
1199 st.st_uid = res->GETATTR3res_u.resok.obj_attributes.uid;
1200 st.st_gid = res->GETATTR3res_u.resok.obj_attributes.gid;
1201 st.st_rdev = 0;
1202 st.st_size = res->GETATTR3res_u.resok.obj_attributes.size;
a8a1b858 1203#ifndef WIN32
84004dbf
RS		 1204 st.st_blksize = 4096;
1205 st.st_blocks = res->GETATTR3res_u.resok.obj_attributes.size / 4096;
4b1ae88a 1206#endif//WIN32
84004dbf
RS		 1207 st.st_atime = res->GETATTR3res_u.resok.obj_attributes.atime.seconds;
1208 st.st_mtime = res->GETATTR3res_u.resok.obj_attributes.mtime.seconds;
1209 st.st_ctime = res->GETATTR3res_u.resok.obj_attributes.ctime.seconds;
1210
1211 data->cb(0, nfs, &st, data->private_data);
1212 free_nfs_cb_data(data);
1213}
1214
1215static int nfs_stat_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
1216{
463d59bf
RS		 1217 struct GETATTR3args args;
1218
1219 memset(&args, 0, sizeof(GETATTR3args));
2452c57f 1220 args.object = data->fh;
463d59bf
RS		 1221
1222 if (rpc_nfs3_getattr_async(nfs->rpc, nfs_stat_1_cb, &args, data) != 0) {
84004dbf
RS		 1223 rpc_set_error(nfs->rpc, "RPC error: Failed to send STAT GETATTR call for %s", data->path);
1224 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1225 free_nfs_cb_data(data);
1226 return -1;
1227 }
1228 return 0;
1229}
1230
1231int nfs_stat_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
1232{
1233 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_stat_continue_internal, NULL, NULL, 0) != 0) {
cbbf9d3e 1234 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 1235 return -1;
1236 }
1237
1238 return 0;
1239}
1240
1241
1242
84004dbf
RS		 1243/*
1244 * Async open()
1245 */
22a0f15b
RS		 1246static void nfs_open_trunc_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
1247{
1248 struct nfs_cb_data *data = private_data;
1249 struct nfs_context *nfs = data->nfs;
be7b4360 1250 struct nfsfh *nfsfh;
22a0f15b
RS		 1251 SETATTR3res *res;
1252
1253 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1254
1255 if (status == RPC_STATUS_ERROR) {
1256 data->cb(-EFAULT, nfs, command_data, data->private_data);
1257 free_nfs_cb_data(data);
1258 return;
1259 }
1260 if (status == RPC_STATUS_CANCEL) {
1261 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1262 free_nfs_cb_data(data);
1263 return;
1264 }
1265
1266 res = command_data;
1267 if (res->status != NFS3_OK) {
1268 rpc_set_error(nfs->rpc, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1269 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1270 free_nfs_cb_data(data);
1271 return;
1272 }
1273
be7b4360
RS		 1274 nfsfh = malloc(sizeof(struct nfsfh));
1275 if (nfsfh == NULL) {
1276 rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure");
1277 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1278 free_nfs_cb_data(data);
1279 return;
1280 }
1281 memset(nfsfh, 0, sizeof(struct nfsfh));
1282
1283 if (data->continue_int & O_SYNC) {
1284 nfsfh->is_sync = 1;
1285 }
1286
1287 /* steal the filehandle */
1288 nfsfh->fh = data->fh;
1289 data->fh.data.data_val = NULL;
1290
1291 data->cb(0, nfs, nfsfh, data->private_data);
22a0f15b
RS		 1292 free_nfs_cb_data(data);
1293}
1294
f3a75078 1295static void nfs_open_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1296{
1297 ACCESS3res *res;
1298 struct nfs_cb_data *data = private_data;
1299 struct nfs_context *nfs = data->nfs;
1300 struct nfsfh *nfsfh;
1301 unsigned int nfsmode = 0;
1302
f3a75078
RS		 1303 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1304
84004dbf
RS		 1305 if (status == RPC_STATUS_ERROR) {
1306 data->cb(-EFAULT, nfs, command_data, data->private_data);
1307 free_nfs_cb_data(data);
1308 return;
1309 }
1310 if (status == RPC_STATUS_CANCEL) {
1311 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1312 free_nfs_cb_data(data);
1313 return;
1314 }
1315
1316 res = command_data;
1317 if (res->status != NFS3_OK) {
1318 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));
1319 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1320 free_nfs_cb_data(data);
1321 return;
1322 }
1323
1324 if (data->continue_int & O_WRONLY) {
1325 nfsmode |= ACCESS3_MODIFY;
1326 }
1327 if (data->continue_int & O_RDWR) {
1328 nfsmode |= ACCESS3_READ|ACCESS3_MODIFY;
1329 }
1330 if (!(data->continue_int & (O_WRONLY|O_RDWR))) {
1331 nfsmode |= ACCESS3_READ;
1332 }
1333
1334
1335 if (res->ACCESS3res_u.resok.access != nfsmode) {
1336 rpc_set_error(nfs->rpc, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c",
1337 nfsmode&ACCESS3_READ?'r':'-',
1338 nfsmode&ACCESS3_MODIFY?'w':'-',
1339 nfsmode&ACCESS3_EXECUTE?'x':'-',
1340 res->ACCESS3res_u.resok.access&ACCESS3_READ?'r':'-',
1341 res->ACCESS3res_u.resok.access&ACCESS3_MODIFY?'w':'-',
1342 res->ACCESS3res_u.resok.access&ACCESS3_EXECUTE?'x':'-');
1343 data->cb(-EACCES, nfs, rpc_get_error(nfs->rpc), data->private_data);
1344 free_nfs_cb_data(data);
1345 return;
1346 }
1347
22a0f15b
RS		 1348 /* Try to truncate it if we were requested to */
1349 if ((data->continue_int & O_TRUNC) &&
1350 (data->continue_int & (O_RDWR|O_WRONLY))) {
1351 SETATTR3args args;
1352
1353 memset(&args, 0, sizeof(SETATTR3args));
be7b4360 1354 args.object = data->fh;
22a0f15b
RS		 1355 args.new_attributes.size.set_it = 1;
1356 args.new_attributes.size.set_size3_u.size = 0;
1357
1358 if (rpc_nfs3_setattr_async(nfs->rpc, nfs_open_trunc_cb, &args,
1359 data) != 0) {
1360 rpc_set_error(nfs->rpc, "RPC error: Failed to send "
1361 "SETATTR call for %s", data->path);
1362 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc),
1363 data->private_data);
1364 free_nfs_cb_data(data);
1365 return;
1366 }
1367 return;
1368 }
1369
be7b4360
RS		 1370 nfsfh = malloc(sizeof(struct nfsfh));
1371 if (nfsfh == NULL) {
1372 rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure");
1373 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1374 free_nfs_cb_data(data);
1375 return;
1376 }
1377 memset(nfsfh, 0, sizeof(struct nfsfh));
1378
1379 if (data->continue_int & O_SYNC) {
1380 nfsfh->is_sync = 1;
1381 }
1382
1383 /* steal the filehandle */
1384 nfsfh->fh = data->fh;
1385 data->fh.data.data_val = NULL;
1386
84004dbf
RS		 1387 data->cb(0, nfs, nfsfh, data->private_data);
1388 free_nfs_cb_data(data);
1389}
1390
1391static int nfs_open_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
1392{
1393 int nfsmode = 0;
463d59bf 1394 ACCESS3args args;
84004dbf
RS		 1395
1396 if (data->continue_int & O_WRONLY) {
1397 nfsmode |= ACCESS3_MODIFY;
1398 }
1399 if (data->continue_int & O_RDWR) {
1400 nfsmode |= ACCESS3_READ|ACCESS3_MODIFY;
1401 }
1402 if (!(data->continue_int & (O_WRONLY|O_RDWR))) {
1403 nfsmode |= ACCESS3_READ;
1404 }
1405
463d59bf 1406 memset(&args, 0, sizeof(ACCESS3args));
2452c57f 1407 args.object = data->fh;
463d59bf
RS		 1408 args.access = nfsmode;
1409
1410 if (rpc_nfs3_access_async(nfs->rpc, nfs_open_cb, &args, data) != 0) {
22a0f15b
RS		 1411 rpc_set_error(nfs->rpc, "RPC error: Failed to send OPEN ACCESS "
1412 "call for %s", data->path);
1413 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc),
1414 data->private_data);
84004dbf
RS		 1415 free_nfs_cb_data(data);
1416 return -1;
1417 }
1418 return 0;
1419}
1420
3cea44dc 1421int nfs_open_async(struct nfs_context *nfs, const char *path, int flags, nfs_cb cb, void *private_data)
84004dbf 1422{
3cea44dc 1423 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_open_continue_internal, NULL, NULL, flags) != 0) {
cbbf9d3e
RS		 1424 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
1425 return -1;
84004dbf
RS		 1426 }
1427
1428 return 0;
1429}
1430
1431
f893b680
RS		 1432/*
1433 * Async chdir()
1434 */
1435static int nfs_chdir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
1436{
1437 /* steal saved_path */
1438 free(nfs->cwd);
1439 nfs->cwd = data->saved_path;
1440 data->saved_path = NULL;
84004dbf 1441
f893b680
RS		 1442 data->cb(0, nfs, NULL, data->private_data);
1443 free_nfs_cb_data(data);
1444
1445 return 0;
1446}
1447
1448int nfs_chdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
1449{
1450 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_chdir_continue_internal, NULL, NULL, 0) != 0) {
1451 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
1452 return -1;
1453 }
1454
1455 return 0;
1456}
84004dbf
RS		 1457
1458
1459/*
1460 * Async pread()
1461 */
f3a75078 1462static void nfs_pread_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1463{
1464 struct nfs_cb_data *data = private_data;
1465 struct nfs_context *nfs = data->nfs;
1466 READ3res *res;
1467
f3a75078
RS		 1468 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1469
84004dbf
RS		 1470 if (status == RPC_STATUS_ERROR) {
1471 data->cb(-EFAULT, nfs, command_data, data->private_data);
1472 free_nfs_cb_data(data);
1473 return;
1474 }
1475 if (status == RPC_STATUS_CANCEL) {
1476 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1477 free_nfs_cb_data(data);
1478 return;
1479 }
1480
1481 res = command_data;
1482 if (res->status != NFS3_OK) {
1483 rpc_set_error(nfs->rpc, "NFS: Read failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1484 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1485 free_nfs_cb_data(data);
1486 return;
1487 }
1488
1489 data->nfsfh->offset += res->READ3res_u.resok.count;
1490 data->cb(res->READ3res_u.resok.count, nfs, res->READ3res_u.resok.data.data_val, data->private_data);
1491 free_nfs_cb_data(data);
1492}
1493
f3a75078 1494static void nfs_pread_mcb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
921f877b
RS		 1495{
1496 struct nfs_mcb_data *mdata = private_data;
1497 struct nfs_cb_data *data = mdata->data;
1498 struct nfs_context *nfs = data->nfs;
1499 READ3res *res;
1500
f3a75078
RS		 1501 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1502
921f877b
RS		 1503 data->num_calls--;
1504
1505 if (status == RPC_STATUS_ERROR) {
1506 /* flag the failure but do not invoke callback until we have received all responses */
1507 data->error = 1;
1508 }
1509 if (status == RPC_STATUS_CANCEL) {
1510 /* flag the cancellation but do not invoke callback until we have received all responses */
1511 data->cancel = 1;
1512 }
1513
1514 /* reassemble the data into the buffer */
1515 if (status == RPC_STATUS_SUCCESS) {
1516 res = command_data;
1517 if (res->status != NFS3_OK) {
1518 rpc_set_error(nfs->rpc, "NFS: Read failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1519 data->error = 1;
e4a5ba42
RS		 1520 } else {
1521 if (res->READ3res_u.resok.count > 0) {
1522 memcpy(&data->buffer[mdata->offset - data->start_offset], res->READ3res_u.resok.data.data_val, res->READ3res_u.resok.count);
1523 if ((unsigned)data->max_offset < mdata->offset + res->READ3res_u.resok.count) {
1524 data->max_offset = mdata->offset + res->READ3res_u.resok.count;
1525 }
921f877b
RS		 1526 }
1527 }
1528 }
1529
1530 if (data->num_calls > 0) {
1531 /* still waiting for more replies */
1532 free(mdata);
1533 return;
1534 }
1535
921f877b
RS		 1536 if (data->error != 0) {
1537 data->cb(-EFAULT, nfs, command_data, data->private_data);
1538 free_nfs_cb_data(data);
1539 free(mdata);
1540 return;
1541 }
1542 if (data->cancel != 0) {
1543 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1544 free_nfs_cb_data(data);
1545 free(mdata);
1546 return;
1547 }
1548
1549 data->nfsfh->offset = data->max_offset;
7ed9d87a
RS		 1550 data->cb(data->max_offset - data->start_offset, nfs, data->buffer, data->private_data);
1551
921f877b
RS		 1552 free_nfs_cb_data(data);
1553 free(mdata);
1554}
1555
183451cf 1556int nfs_pread_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t offset, uint64_t count, nfs_cb cb, void *private_data)
84004dbf
RS		 1557{
1558 struct nfs_cb_data *data;
1559
1560 data = malloc(sizeof(struct nfs_cb_data));
1561 if (data == NULL) {
1562 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1563 return -1;
1564 }
ea98629a 1565 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1566 data->nfs = nfs;
1567 data->cb = cb;
1568 data->private_data = private_data;
1569 data->nfsfh = nfsfh;
1570
1571 nfsfh->offset = offset;
921f877b
RS		 1572
1573 if (count <= nfs_get_readmax(nfs)) {
463d59bf
RS		 1574 READ3args args;
1575
1576 memset(&args, 0, sizeof(READ3args));
2452c57f 1577 args.file = nfsfh->fh;
463d59bf
RS		 1578 args.offset = offset;
1579 args.count = count;
1580
1581 if (rpc_nfs3_read_async(nfs->rpc, nfs_pread_cb, &args, data) != 0) {
921f877b
RS		 1582 rpc_set_error(nfs->rpc, "RPC error: Failed to send READ call for %s", data->path);
1583 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1584 free_nfs_cb_data(data);
1585 return -1;
1586 }
1587 return 0;
1588 }
1589
1590 /* trying to read more than maximum server read size, we has to chop it up into smaller
1591 * reads and collect into a reassembly buffer.
cd67ec7d 1592 * we send all reads in parallel so that performance is still good.
921f877b 1593 */
7ed9d87a 1594 data->max_offset = offset;
921f877b
RS		 1595 data->start_offset = offset;
1596
1597 data->buffer = malloc(count);
1598 if (data->buffer == NULL) {
1599 rpc_set_error(nfs->rpc, "Out-Of-Memory: Failed to allocate reassembly buffer for %d bytes", (int)count);
84004dbf
RS		 1600 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1601 free_nfs_cb_data(data);
1602 return -1;
1603 }
921f877b
RS		 1604
1605 while (count > 0) {
183451cf 1606 uint64_t readcount = count;
921f877b 1607 struct nfs_mcb_data *mdata;
463d59bf 1608 READ3args args;
921f877b
RS		 1609
1610 if (readcount > nfs_get_readmax(nfs)) {
1611 readcount = nfs_get_readmax(nfs);
1612 }
1613
1614 mdata = malloc(sizeof(struct nfs_mcb_data));
1615 if (mdata == NULL) {
1616 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_mcb_data structure");
921f877b
RS		 1617 return -1;
1618 }
ea98629a 1619 memset(mdata, 0, sizeof(struct nfs_mcb_data));
921f877b
RS		 1620 mdata->data = data;
1621 mdata->offset = offset;
1622 mdata->count = readcount;
463d59bf
RS		 1623
1624 memset(&args, 0, sizeof(READ3args));
2452c57f 1625 args.file = nfsfh->fh;
463d59bf
RS		 1626 args.offset = offset;
1627 args.count = readcount;
1628
1629 if (rpc_nfs3_read_async(nfs->rpc, nfs_pread_mcb, &args, mdata) != 0) {
921f877b
RS		 1630 rpc_set_error(nfs->rpc, "RPC error: Failed to send READ call for %s", data->path);
1631 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1632 free(mdata);
1633 return -1;
1634 }
1635
1636 count -= readcount;
1637 offset += readcount;
1638 data->num_calls++;
1639 }
1640
1641 return 0;
84004dbf
RS		 1642}
1643
1644/*
1645 * Async read()
1646 */
183451cf 1647int nfs_read_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t count, nfs_cb cb, void *private_data)
84004dbf
RS		 1648{
1649 return nfs_pread_async(nfs, nfsfh, nfsfh->offset, count, cb, private_data);
1650}
1651
1652
1653
1654/*
1655 * Async pwrite()
1656 */
f3a75078 1657static void nfs_pwrite_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1658{
1659 struct nfs_cb_data *data = private_data;
1660 struct nfs_context *nfs = data->nfs;
1661 WRITE3res *res;
1662
f3a75078
RS		 1663 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1664
84004dbf
RS		 1665 if (status == RPC_STATUS_ERROR) {
1666 data->cb(-EFAULT, nfs, command_data, data->private_data);
1667 free_nfs_cb_data(data);
1668 return;
1669 }
1670 if (status == RPC_STATUS_CANCEL) {
1671 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1672 free_nfs_cb_data(data);
1673 return;
1674 }
1675
1676 res = command_data;
1677 if (res->status != NFS3_OK) {
1678 rpc_set_error(nfs->rpc, "NFS: Write failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1679 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1680 free_nfs_cb_data(data);
1681 return;
1682 }
1683
1684 data->nfsfh->offset += res->WRITE3res_u.resok.count;
1685 data->cb(res->WRITE3res_u.resok.count, nfs, NULL, data->private_data);
1686 free_nfs_cb_data(data);
1687}
1688
f3a75078 1689static void nfs_pwrite_mcb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
18c27b73
RS		 1690{
1691 struct nfs_mcb_data *mdata = private_data;
1692 struct nfs_cb_data *data = mdata->data;
1693 struct nfs_context *nfs = data->nfs;
1694 WRITE3res *res;
1695
f3a75078
RS		 1696 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1697
18c27b73
RS		 1698 data->num_calls--;
1699
1700 if (status == RPC_STATUS_ERROR) {
1701 /* flag the failure but do not invoke callback until we have received all responses */
1702 data->error = 1;
1703 }
1704 if (status == RPC_STATUS_CANCEL) {
1705 /* flag the cancellation but do not invoke callback until we have received all responses */
1706 data->cancel = 1;
1707 }
1708
1709 if (status == RPC_STATUS_SUCCESS) {
1710 res = command_data;
1711 if (res->status != NFS3_OK) {
1712 rpc_set_error(nfs->rpc, "NFS: Write failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1713 data->error = 1;
1714 } else {
1715 if (res->WRITE3res_u.resok.count > 0) {
1716 if ((unsigned)data->max_offset < mdata->offset + res->WRITE3res_u.resok.count) {
1717 data->max_offset = mdata->offset + res->WRITE3res_u.resok.count;
1718 }
1719 }
1720 }
1721 }
1722
1723 if (data->num_calls > 0) {
1724 /* still waiting for more replies */
1725 free(mdata);
1726 return;
1727 }
1728
1729 if (data->error != 0) {
1730 data->cb(-EFAULT, nfs, command_data, data->private_data);
1731 free_nfs_cb_data(data);
1732 free(mdata);
1733 return;
1734 }
1735 if (data->cancel != 0) {
1736 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1737 free_nfs_cb_data(data);
1738 free(mdata);
1739 return;
1740 }
1741
1742 data->nfsfh->offset = data->max_offset;
1743 data->cb(data->max_offset - data->start_offset, nfs, NULL, data->private_data);
1744
1745 free_nfs_cb_data(data);
1746 free(mdata);
1747}
1748
1749
183451cf 1750int nfs_pwrite_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t offset, uint64_t count, char *buf, nfs_cb cb, void *private_data)
84004dbf
RS		 1751{
1752 struct nfs_cb_data *data;
1753
1754 data = malloc(sizeof(struct nfs_cb_data));
1755 if (data == NULL) {
1756 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1757 return -1;
1758 }
ea98629a 1759 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1760 data->nfs = nfs;
1761 data->cb = cb;
1762 data->private_data = private_data;
1763 data->nfsfh = nfsfh;
1764
1765 nfsfh->offset = offset;
18c27b73
RS		 1766
1767 if (count <= nfs_get_writemax(nfs)) {
463d59bf
RS		 1768 WRITE3args args;
1769
1770 memset(&args, 0, sizeof(WRITE3args));
2452c57f 1771 args.file = nfsfh->fh;
463d59bf
RS		 1772 args.offset = offset;
1773 args.count = count;
1774 args.stable = nfsfh->is_sync?FILE_SYNC:UNSTABLE;
1775 args.data.data_len = count;
1776 args.data.data_val = buf;
1777
1778 if (rpc_nfs3_write_async(nfs->rpc, nfs_pwrite_cb, &args, data) != 0) {
18c27b73
RS		 1779 rpc_set_error(nfs->rpc, "RPC error: Failed to send WRITE call for %s", data->path);
1780 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1781 free_nfs_cb_data(data);
1782 return -1;
1783 }
1784 return 0;
84004dbf 1785 }
18c27b73
RS		 1786
1787 /* trying to write more than maximum server write size, we has to chop it up into smaller
1788 * chunks.
cd67ec7d 1789 * we send all writes in parallel so that performance is still good.
18c27b73
RS		 1790 */
1791 data->max_offset = offset;
1792 data->start_offset = offset;
1793
1794 while (count > 0) {
183451cf 1795 uint64_t writecount = count;
18c27b73 1796 struct nfs_mcb_data *mdata;
463d59bf 1797 WRITE3args args;
18c27b73
RS		 1798
1799 if (writecount > nfs_get_writemax(nfs)) {
1800 writecount = nfs_get_writemax(nfs);
1801 }
1802
1803 mdata = malloc(sizeof(struct nfs_mcb_data));
1804 if (mdata == NULL) {
1805 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_mcb_data structure");
1806 return -1;
1807 }
1808 memset(mdata, 0, sizeof(struct nfs_mcb_data));
1809 mdata->data = data;
1810 mdata->offset = offset;
1811 mdata->count = writecount;
1812
463d59bf 1813 memset(&args, 0, sizeof(WRITE3args));
2452c57f 1814 args.file = nfsfh->fh;
463d59bf
RS		 1815 args.offset = offset;
1816 args.count = writecount;
1817 args.stable = nfsfh->is_sync?FILE_SYNC:UNSTABLE;
1818 args.data.data_len = writecount;
1819 args.data.data_val = &buf[offset - data->start_offset];
1820
1821 if (rpc_nfs3_write_async(nfs->rpc, nfs_pwrite_mcb, &args, mdata) != 0) {
18c27b73
RS		 1822 rpc_set_error(nfs->rpc, "RPC error: Failed to send WRITE call for %s", data->path);
1823 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1824 free(mdata);
1825 return -1;
1826 }
1827
1828 count -= writecount;
1829 offset += writecount;
1830 data->num_calls++;
1831 }
1832
84004dbf
RS		 1833 return 0;
1834}
1835
1836/*
1837 * Async write()
1838 */
183451cf 1839int nfs_write_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t count, char *buf, nfs_cb cb, void *private_data)
84004dbf
RS		 1840{
1841 return nfs_pwrite_async(nfs, nfsfh, nfsfh->offset, count, buf, cb, private_data);
1842}
1843
1844
1845
1846
1847/*
1848 * close
1849 */
4b1ae88a 1850
84004dbf
RS		 1851int nfs_close_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data)
1852{
1853 if (nfsfh->fh.data.data_val != NULL){
1854 free(nfsfh->fh.data.data_val);
1855 nfsfh->fh.data.data_val = NULL;
1856 }
1857 free(nfsfh);
1858
1859 cb(0, nfs, NULL, private_data);
1860 return 0;
1861};
1862
1863
1864
1865
1866
1867/*
1868 * Async fstat()
1869 */
1870int nfs_fstat_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data)
1871{
1872 struct nfs_cb_data *data;
463d59bf 1873 struct GETATTR3args args;
84004dbf
RS		 1874
1875 data = malloc(sizeof(struct nfs_cb_data));
1876 if (data == NULL) {
1877 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1878 return -1;
1879 }
ea98629a 1880 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1881 data->nfs = nfs;
1882 data->cb = cb;
1883 data->private_data = private_data;
1884
463d59bf 1885 memset(&args, 0, sizeof(GETATTR3args));
2452c57f 1886 args.object = nfsfh->fh;
463d59bf
RS		 1887
1888 if (rpc_nfs3_getattr_async(nfs->rpc, nfs_stat_1_cb, &args, data) != 0) {
84004dbf
RS		 1889 rpc_set_error(nfs->rpc, "RPC error: Failed to send STAT GETATTR call for %s", data->path);
1890 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1891 free_nfs_cb_data(data);
1892 return -1;
1893 }
1894 return 0;
1895}
1896
1897
1898
1899/*
1900 * Async fsync()
1901 */
f3a75078 1902static void nfs_fsync_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1903{
1904 struct nfs_cb_data *data = private_data;
1905 struct nfs_context *nfs = data->nfs;
1906 COMMIT3res *res;
1907
f3a75078
RS		 1908 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1909
84004dbf
RS		 1910 if (status == RPC_STATUS_ERROR) {
1911 data->cb(-EFAULT, nfs, command_data, data->private_data);
1912 free_nfs_cb_data(data);
1913 return;
1914 }
1915 if (status == RPC_STATUS_CANCEL) {
1916 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1917 free_nfs_cb_data(data);
1918 return;
1919 }
1920
1921 res = command_data;
1922 if (res->status != NFS3_OK) {
1923 rpc_set_error(nfs->rpc, "NFS: Commit failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1924 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1925 free_nfs_cb_data(data);
1926 return;
1927 }
1928
1929 data->cb(0, nfs, NULL, data->private_data);
1930 free_nfs_cb_data(data);
1931}
1932
1933int nfs_fsync_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data)
1934{
1935 struct nfs_cb_data *data;
1a5636ff 1936 struct COMMIT3args args;
84004dbf
RS		 1937
1938 data = malloc(sizeof(struct nfs_cb_data));
1939 if (data == NULL) {
1940 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1941 return -1;
1942 }
ea98629a 1943 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1944 data->nfs = nfs;
1945 data->cb = cb;
1946 data->private_data = private_data;
1947
1a5636ff
RS		 1948 args.file = nfsfh->fh;
1949 args.offset = 0;
1950 args.count = 0;
1951 if (rpc_nfs3_commit_async(nfs->rpc, nfs_fsync_cb, &args, data) != 0) {
84004dbf
RS		 1952 rpc_set_error(nfs->rpc, "RPC error: Failed to send COMMIT call for %s", data->path);
1953 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1954 free_nfs_cb_data(data);
1955 return -1;
1956 }
1957 return 0;
1958}
1959
1960
1961
1962
1963/*
1964 * Async ftruncate()
1965 */
f3a75078 1966static void nfs_ftruncate_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1967{
1968 struct nfs_cb_data *data = private_data;
1969 struct nfs_context *nfs = data->nfs;
1970 SETATTR3res *res;
1971
f3a75078
RS		 1972 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1973
84004dbf
RS		 1974 if (status == RPC_STATUS_ERROR) {
1975 data->cb(-EFAULT, nfs, command_data, data->private_data);
1976 free_nfs_cb_data(data);
1977 return;
1978 }
1979 if (status == RPC_STATUS_CANCEL) {
1980 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1981 free_nfs_cb_data(data);
1982 return;
1983 }
1984
1985 res = command_data;
1986 if (res->status != NFS3_OK) {
1987 rpc_set_error(nfs->rpc, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1988 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1989 free_nfs_cb_data(data);
1990 return;
1991 }
1992
1993 data->cb(0, nfs, NULL, data->private_data);
1994 free_nfs_cb_data(data);
1995}
1996
183451cf 1997int nfs_ftruncate_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t length, nfs_cb cb, void *private_data)
84004dbf
RS		 1998{
1999 struct nfs_cb_data *data;
2000 SETATTR3args args;
2001
2002 data = malloc(sizeof(struct nfs_cb_data));
2003 if (data == NULL) {
2004 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 2005 return -1;
2006 }
ea98629a 2007 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 2008 data->nfs = nfs;
2009 data->cb = cb;
2010 data->private_data = private_data;
2011
ea98629a 2012 memset(&args, 0, sizeof(SETATTR3args));
2452c57f 2013 args.object = nfsfh->fh;
84004dbf
RS		 2014 args.new_attributes.size.set_it = 1;
2015 args.new_attributes.size.set_size3_u.size = length;
2016
b701254d 2017 if (rpc_nfs3_setattr_async(nfs->rpc, nfs_ftruncate_cb, &args, data) != 0) {
84004dbf
RS		 2018 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
2019 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2020 free_nfs_cb_data(data);
2021 return -1;
2022 }
2023 return 0;
2024}
2025
2026
2027/*
2028 * Async truncate()
2029 */
2030static int nfs_truncate_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2031{
183451cf 2032 uint64_t offset = data->continue_int;
84004dbf
RS		 2033 struct nfsfh nfsfh;
2034
2452c57f 2035 nfsfh.fh = data->fh;
84004dbf
RS		 2036
2037 if (nfs_ftruncate_async(nfs, &nfsfh, offset, data->cb, data->private_data) != 0) {
2038 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
2039 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2040 free_nfs_cb_data(data);
2041 return -1;
2042 }
2043 free_nfs_cb_data(data);
2044 return 0;
2045}
2046
183451cf 2047int nfs_truncate_async(struct nfs_context *nfs, const char *path, uint64_t length, nfs_cb cb, void *private_data)
84004dbf 2048{
183451cf 2049 uint64_t offset;
84004dbf
RS		 2050
2051 offset = length;
2052
2053 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_truncate_continue_internal, NULL, NULL, offset) != 0) {
cbbf9d3e
RS		 2054 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2055 return -1;
84004dbf
RS		 2056 }
2057
2058 return 0;
2059}
2060
2061
2062
2063
2064/*
2065 * Async mkdir()
2066 */
f3a75078 2067static void nfs_mkdir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2068{
2069 MKDIR3res *res;
2070 struct nfs_cb_data *data = private_data;
2071 struct nfs_context *nfs = data->nfs;
2072 char *str = data->continue_data;
4b1ae88a 2073
f3a75078
RS		 2074 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2075
84004dbf
RS		 2076 str = &str[strlen(str) + 1];
2077
2078 if (status == RPC_STATUS_ERROR) {
2079 data->cb(-EFAULT, nfs, command_data, data->private_data);
2080 free_nfs_cb_data(data);
2081 return;
2082 }
2083 if (status == RPC_STATUS_CANCEL) {
2084 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2085 free_nfs_cb_data(data);
2086 return;
2087 }
2088
2089 res = command_data;
2090 if (res->status != NFS3_OK) {
2091 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));
2092 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2093 free_nfs_cb_data(data);
2094 return;
2095 }
2096
2097 data->cb(0, nfs, NULL, data->private_data);
2098 free_nfs_cb_data(data);
2099}
2100
2101static int nfs_mkdir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2102{
2103 char *str = data->continue_data;
7edc9026
RS		 2104 MKDIR3args args;
2105
84004dbf
RS		 2106 str = &str[strlen(str) + 1];
2107
7edc9026 2108 memset(&args, 0, sizeof(MKDIR3args));
2452c57f 2109 args.where.dir = data->fh;
7edc9026
RS		 2110 args.where.name = str;
2111 args.attributes.mode.set_it = 1;
2112 args.attributes.mode.set_mode3_u.mode = 0755;
2113
acabd6bf 2114 if (rpc_nfs3_mkdir_async(nfs->rpc, nfs_mkdir_cb, &args, data) != 0) {
84004dbf
RS		 2115 rpc_set_error(nfs->rpc, "RPC error: Failed to send MKDIR call for %s", data->path);
2116 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2117 free_nfs_cb_data(data);
2118 return -1;
2119 }
2120 return 0;
2121}
2122
2123int nfs_mkdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
2124{
2125 char *new_path;
2126 char *ptr;
2127
2128 new_path = strdup(path);
2129 if (new_path == NULL) {
cbbf9d3e 2130 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 2131 return -1;
2132 }
2133
93e9306f 2134 ptr = strrchr(new_path, '/');
84004dbf 2135 if (ptr == NULL) {
cbbf9d3e
RS		 2136 rpc_set_error(nfs->rpc, "Invalid path %s", path);
2137 return -1;
84004dbf
RS		 2138 }
2139 *ptr = 0;
2140
2141 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2142 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_mkdir_continue_internal, new_path, free, 0) != 0) {
cbbf9d3e
RS		 2143 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path component");
2144 return -1;
84004dbf
RS		 2145 }
2146
2147 return 0;
2148}
2149
2150
2151
2152
2153
2154/*
2155 * Async rmdir()
2156 */
f3a75078 2157static void nfs_rmdir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2158{
2159 RMDIR3res *res;
2160 struct nfs_cb_data *data = private_data;
2161 struct nfs_context *nfs = data->nfs;
2162 char *str = data->continue_data;
4b1ae88a 2163
f3a75078
RS		 2164 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2165
84004dbf
RS		 2166 str = &str[strlen(str) + 1];
2167
2168 if (status == RPC_STATUS_ERROR) {
2169 data->cb(-EFAULT, nfs, command_data, data->private_data);
2170 free_nfs_cb_data(data);
2171 return;
2172 }
2173 if (status == RPC_STATUS_CANCEL) {
2174 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2175 free_nfs_cb_data(data);
2176 return;
2177 }
2178
2179 res = command_data;
2180 if (res->status != NFS3_OK) {
2181 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));
2182 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2183 free_nfs_cb_data(data);
2184 return;
2185 }
2186
2187 data->cb(0, nfs, NULL, data->private_data);
2188 free_nfs_cb_data(data);
2189}
2190
2191static int nfs_rmdir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2192{
2193 char *str = data->continue_data;
bf817ee6
RS		 2194 RMDIR3args args;
2195
84004dbf
RS		 2196 str = &str[strlen(str) + 1];
2197
bf817ee6
RS		 2198 args.object.dir = data->fh;
2199 args.object.name = str;
2200 if (rpc_nfs3_rmdir_async(nfs->rpc, nfs_rmdir_cb, &args, data) != 0) {
84004dbf
RS		 2201 rpc_set_error(nfs->rpc, "RPC error: Failed to send RMDIR call for %s", data->path);
2202 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2203 free_nfs_cb_data(data);
2204 return -1;
2205 }
2206 return 0;
2207}
2208
2209int nfs_rmdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
2210{
2211 char *new_path;
2212 char *ptr;
2213
2214 new_path = strdup(path);
2215 if (new_path == NULL) {
cbbf9d3e 2216 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 2217 return -1;
2218 }
2219
93e9306f 2220 ptr = strrchr(new_path, '/');
84004dbf 2221 if (ptr == NULL) {
cbbf9d3e
RS		 2222 rpc_set_error(nfs->rpc, "Invalid path %s", path);
2223 return -1;
84004dbf
RS		 2224 }
2225 *ptr = 0;
2226
2227 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2228 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_rmdir_continue_internal, new_path, free, 0) != 0) {
cbbf9d3e
RS		 2229 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2230 return -1;
84004dbf
RS		 2231 }
2232
2233 return 0;
2234}
2235
2236
2237
2238
2239/*
2240 * Async creat()
2241 */
f3a75078 2242static void nfs_create_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2243{
2244 LOOKUP3res *res;
2245 struct nfs_cb_data *data = private_data;
2246 struct nfs_context *nfs = data->nfs;
2247 struct nfsfh *nfsfh;
2248 char *str = data->continue_data;
2249
f3a75078
RS		 2250 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2251
84004dbf
RS		 2252 if (status == RPC_STATUS_ERROR) {
2253 data->cb(-EFAULT, nfs, command_data, data->private_data);
2254 free_nfs_cb_data(data);
2255 return;
2256 }
2257 if (status == RPC_STATUS_CANCEL) {
2258 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2259 free_nfs_cb_data(data);
2260 return;
2261 }
2262
2263 str = &str[strlen(str) + 1];
2264 res = command_data;
2265 if (res->status != NFS3_OK) {
2266 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));
2267 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2268
2269 return;
2270 }
2271
2272 nfsfh = malloc(sizeof(struct nfsfh));
2273 if (nfsfh == NULL) {
2274 rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure");
2275 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2276 free_nfs_cb_data(data);
2277 return;
2278 }
ea98629a 2279 memset(nfsfh, 0, sizeof(struct nfsfh));
84004dbf 2280
0c1a9d7a
RS		 2281 /* copy the filehandle */
2282 nfsfh->fh.data.data_len = res->LOOKUP3res_u.resok.object.data.data_len;
2283 nfsfh->fh.data.data_val = malloc(nfsfh->fh.data.data_len);
2284 memcpy(nfsfh->fh.data.data_val, res->LOOKUP3res_u.resok.object.data.data_val, nfsfh->fh.data.data_len);
84004dbf
RS		 2285
2286 data->cb(0, nfs, nfsfh, data->private_data);
2287 free_nfs_cb_data(data);
2288}
2289
2290
2291
f3a75078 2292static void nfs_creat_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2293{
2294 CREATE3res *res;
2295 struct nfs_cb_data *data = private_data;
2296 struct nfs_context *nfs = data->nfs;
2297 char *str = data->continue_data;
463d59bf 2298 LOOKUP3args args;
84004dbf 2299
f3a75078
RS		 2300 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2301
84004dbf
RS		 2302 if (status == RPC_STATUS_ERROR) {
2303 data->cb(-EFAULT, nfs, command_data, data->private_data);
2304 free_nfs_cb_data(data);
2305 return;
2306 }
2307 if (status == RPC_STATUS_CANCEL) {
2308 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2309 free_nfs_cb_data(data);
2310 return;
2311 }
2312
2313 str = &str[strlen(str) + 1];
2314 res = command_data;
2315 if (res->status != NFS3_OK) {
2316 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));
2317 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
fadbf8cf 2318 free_nfs_cb_data(data);
84004dbf
RS		 2319 return;
2320 }
2321
463d59bf 2322 memset(&args, 0, sizeof(LOOKUP3args));
2452c57f
RS		 2323 args.what.dir = data->fh;
2324 args.what.name = str;
463d59bf
RS		 2325
2326 if (rpc_nfs3_lookup_async(nfs->rpc, nfs_create_2_cb, &args, data) != 0) {
84004dbf
RS		 2327 rpc_set_error(nfs->rpc, "RPC error: Failed to send lookup call for %s/%s", data->saved_path, str);
2328 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2329 free_nfs_cb_data(data);
2330 return;
2331 }
2332 return;
2333}
2334
2335static int nfs_creat_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2336{
2337 char *str = data->continue_data;
c985c015
RS		 2338 CREATE3args args;
2339
84004dbf
RS		 2340 str = &str[strlen(str) + 1];
2341
c985c015 2342 memset(&args, 0, sizeof(CREATE3args));
2452c57f 2343 args.where.dir = data->fh;
c985c015
RS		 2344 args.where.name = str;
2345 args.how.mode = UNCHECKED;
2346 args.how.createhow3_u.obj_attributes.mode.set_it = 1;
2347 args.how.createhow3_u.obj_attributes.mode.set_mode3_u.mode = data->continue_int;
2348
789c3f12 2349 if (rpc_nfs3_create_async(nfs->rpc, nfs_creat_1_cb, &args, data) != 0) {
84004dbf
RS		 2350 rpc_set_error(nfs->rpc, "RPC error: Failed to send CREATE call for %s/%s", data->path, str);
2351 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2352 free_nfs_cb_data(data);
2353 return -1;
2354 }
2355 return 0;
2356}
2357
2358int nfs_creat_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data)
2359{
2360 char *new_path;
2361 char *ptr;
2362
2363 new_path = strdup(path);
2364 if (new_path == NULL) {
cbbf9d3e 2365 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 2366 return -1;
2367 }
2368
93e9306f 2369 ptr = strrchr(new_path, '/');
84004dbf 2370 if (ptr == NULL) {
cbbf9d3e
RS		 2371 rpc_set_error(nfs->rpc, "Invalid path %s", path);
2372 return -1;
84004dbf
RS		 2373 }
2374 *ptr = 0;
2375
73f4ae7c 2376 /* new_path now points to the parent directory, and beyond the nul terminator is the new directory to create */
84004dbf 2377 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_creat_continue_internal, new_path, free, mode) != 0) {
cbbf9d3e
RS		 2378 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2379 return -1;
84004dbf
RS		 2380 }
2381
2382 return 0;
2383}
2384
2385
2386
2387
2388/*
2389 * Async unlink()
2390 */
f3a75078 2391static void nfs_unlink_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2392{
2393 REMOVE3res *res;
2394 struct nfs_cb_data *data = private_data;
2395 struct nfs_context *nfs = data->nfs;
2396 char *str = data->continue_data;
4b1ae88a 2397
f3a75078
RS		 2398 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2399
84004dbf
RS		 2400 str = &str[strlen(str) + 1];
2401
2402 if (status == RPC_STATUS_ERROR) {
2403 data->cb(-EFAULT, nfs, command_data, data->private_data);
2404 free_nfs_cb_data(data);
2405 return;
2406 }
2407 if (status == RPC_STATUS_CANCEL) {
2408 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2409 free_nfs_cb_data(data);
2410 return;
2411 }
2412
2413 res = command_data;
2414 if (res->status != NFS3_OK) {
2415 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));
2416 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2417 free_nfs_cb_data(data);
2418 return;
2419 }
2420
2421 data->cb(0, nfs, NULL, data->private_data);
2422 free_nfs_cb_data(data);
2423}
2424
2425static int nfs_unlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2426{
2427 char *str = data->continue_data;
a0a5aa26
RS		 2428 struct REMOVE3args args;
2429
84004dbf
RS		 2430 str = &str[strlen(str) + 1];
2431
a0a5aa26
RS		 2432 args.object.dir = data->fh;
2433 args.object.name = str;
2434 if (rpc_nfs3_remove_async(nfs->rpc, nfs_unlink_cb, &args, data) != 0) {
84004dbf
RS		 2435 rpc_set_error(nfs->rpc, "RPC error: Failed to send REMOVE call for %s", data->path);
2436 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2437 free_nfs_cb_data(data);
2438 return -1;
2439 }
2440 return 0;
2441}
2442
2443int nfs_unlink_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
2444{
2445 char *new_path;
2446 char *ptr;
2447
2448 new_path = strdup(path);
2449 if (new_path == NULL) {
cbbf9d3e 2450 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 2451 return -1;
2452 }
2453
93e9306f 2454 ptr = strrchr(new_path, '/');
84004dbf 2455 if (ptr == NULL) {
cbbf9d3e
RS		 2456 rpc_set_error(nfs->rpc, "Invalid path %s", path);
2457 return -1;
84004dbf
RS		 2458 }
2459 *ptr = 0;
2460
2461 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2462 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_unlink_continue_internal, new_path, free, 0) != 0) {
cbbf9d3e
RS		 2463 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2464 return -1;
84004dbf
RS		 2465 }
2466
2467 return 0;
2468}
2469
2470
1ec6b50a
RS		 2471/*
2472 * Async mknod()
2473 */
2474struct mknod_cb_data {
2475 char *path;
2476 int mode;
2477 int major;
2478 int minor;
2479};
2480
2481static void free_mknod_cb_data(void *ptr)
2482{
2483 struct mknod_cb_data *data = ptr;
2484
2485 free(data->path);
2486 free(data);
2487}
2488
f3a75078 2489static void nfs_mknod_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
1ec6b50a
RS		 2490{
2491 MKNOD3res *res;
2492 struct nfs_cb_data *data = private_data;
2493 struct nfs_context *nfs = data->nfs;
2494 char *str = data->continue_data;
4b1ae88a 2495
f3a75078
RS		 2496 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2497
1ec6b50a
RS		 2498 str = &str[strlen(str) + 1];
2499
2500 if (status == RPC_STATUS_ERROR) {
2501 data->cb(-EFAULT, nfs, command_data, data->private_data);
2502 free_nfs_cb_data(data);
2503 return;
2504 }
2505 if (status == RPC_STATUS_CANCEL) {
2506 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2507 free_nfs_cb_data(data);
2508 return;
2509 }
2510
2511 res = command_data;
2512 if (res->status != NFS3_OK) {
2513 rpc_set_error(nfs->rpc, "NFS: MKNOD of %s/%s failed with %s(%d)", data->saved_path, str, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
2514 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2515 free_nfs_cb_data(data);
2516 return;
2517 }
2518
2519 data->cb(0, nfs, NULL, data->private_data);
2520 free_nfs_cb_data(data);
2521}
2522
2523static int nfs_mknod_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2524{
2525 struct mknod_cb_data *cb_data = data->continue_data;
2526 char *str = cb_data->path;
b17cb0a2 2527 MKNOD3args args;
4b1ae88a 2528
1ec6b50a
RS		 2529 str = &str[strlen(str) + 1];
2530
b17cb0a2
RS		 2531 args.where.dir = data->fh;
2532 args.where.name = str;
2533 switch (cb_data->mode & S_IFMT) {
2534 case S_IFCHR:
2535 args.what.type = NF3CHR;
2536 args.what.mknoddata3_u.chr_device.dev_attributes.mode.set_it = 1;
2537 args.what.mknoddata3_u.chr_device.dev_attributes.mode.set_mode3_u.mode = cb_data->mode & (S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IWGRP|S_IXGRP|S_IROTH|S_IWOTH|S_IXOTH);
2538 args.what.mknoddata3_u.chr_device.spec.specdata1 = cb_data->major;
2539 args.what.mknoddata3_u.chr_device.spec.specdata2 = cb_data->minor;
2540 break;
2541 case S_IFBLK:
2542 args.what.type = NF3BLK;
2543 args.what.mknoddata3_u.blk_device.dev_attributes.mode.set_it = 1;
2544 args.what.mknoddata3_u.blk_device.dev_attributes.mode.set_mode3_u.mode = cb_data->mode & (S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IWGRP|S_IXGRP|S_IROTH|S_IWOTH|S_IXOTH);
2545 args.what.mknoddata3_u.blk_device.spec.specdata1 = cb_data->major;
2546 args.what.mknoddata3_u.blk_device.spec.specdata2 = cb_data->minor;
2547 case S_IFSOCK:
2548 args.what.type = NF3SOCK;
2549 args.what.mknoddata3_u.sock_attributes.mode.set_it = 1;
2550 args.what.mknoddata3_u.sock_attributes.mode.set_mode3_u.mode = cb_data->mode & (S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IWGRP|S_IXGRP|S_IROTH|S_IWOTH|S_IXOTH);
2551 break;
2552 case S_IFIFO:
2553 args.what.type = NF3FIFO;
2554 args.what.mknoddata3_u.pipe_attributes.mode.set_it = 1;
2555 args.what.mknoddata3_u.pipe_attributes.mode.set_mode3_u.mode = cb_data->mode & (S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IWGRP|S_IXGRP|S_IROTH|S_IWOTH|S_IXOTH);
2556 break;
2557 default:
2558 rpc_set_error(nfs->rpc, "Invalid file type for NFS3/MKNOD call");
2559 data->cb(-EINVAL, nfs, rpc_get_error(nfs->rpc), data->private_data);
2560 free_nfs_cb_data(data);
2561 return -1;
2562 }
2563
2564 if (rpc_nfs3_mknod_async(nfs->rpc, nfs_mknod_cb, &args, data) != 0) {
1ec6b50a
RS		 2565 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2566 free_nfs_cb_data(data);
2567 return -1;
2568 }
2569 return 0;
2570}
2571
2572int nfs_mknod_async(struct nfs_context *nfs, const char *path, int mode, int dev, nfs_cb cb, void *private_data)
2573{
2574 char *ptr;
2575 struct mknod_cb_data *cb_data;
2576
2577 cb_data = malloc(sizeof(struct mknod_cb_data));
2578 if (cb_data == NULL) {
2579 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for cb data");
2580 return -1;
2581 }
2582
2583 cb_data->path = strdup(path);
2584 if (cb_data->path == NULL) {
2585 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
4b1ae88a 2586 free(cb_data);
1ec6b50a
RS		 2587 return -1;
2588 }
2589
2590 ptr = strrchr(cb_data->path, '/');
2591 if (ptr == NULL) {
2592 rpc_set_error(nfs->rpc, "Invalid path %s", path);
2593 return -1;
2594 }
2595 *ptr = 0;
2596
2597 cb_data->mode = mode;
2598 cb_data->major = major(dev);
2599 cb_data->minor = minor(dev);
2600
2601 /* data->path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2602 if (nfs_lookuppath_async(nfs, cb_data->path, cb, private_data, nfs_mknod_continue_internal, cb_data, free_mknod_cb_data, 0) != 0) {
2603 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2604 free_mknod_cb_data(cb_data);
2605 return -1;
2606 }
2607
2608 return 0;
2609}
84004dbf 2610
84004dbf
RS		 2611/*
2612 * Async opendir()
2613 */
fb69c64c
RS		 2614
2615/* ReadDirPlus Emulation Callback data */
2616struct rdpe_cb_data {
2617 int getattrcount;
2618 int status;
2619 struct nfs_cb_data *data;
2620};
2621
2622/* ReadDirPlus Emulation LOOKUP Callback data */
2623struct rdpe_lookup_cb_data {
2624 struct rdpe_cb_data *rdpe_cb_data;
2625 struct nfsdirent *nfsdirent;
2626};
2627
2628/* Workaround for servers lacking READDIRPLUS, use READDIR instead and a GETATTR-loop */
f3a75078 2629static void nfs_opendir3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf 2630{
fb69c64c
RS		 2631 LOOKUP3res *res = command_data;
2632 struct rdpe_lookup_cb_data *rdpe_lookup_cb_data = private_data;
2633 struct rdpe_cb_data *rdpe_cb_data = rdpe_lookup_cb_data->rdpe_cb_data;
2634 struct nfs_cb_data *data = rdpe_cb_data->data;
2635 struct nfsdir *nfsdir = data->continue_data;
2636 struct nfs_context *nfs = data->nfs;
2637 struct nfsdirent *nfsdirent = rdpe_lookup_cb_data->nfsdirent;
2638
f3a75078
RS		 2639 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2640
fb69c64c
RS		 2641 free(rdpe_lookup_cb_data);
2642
2643 rdpe_cb_data->getattrcount--;
2644
2645 if (status == RPC_STATUS_ERROR) {
2646 rdpe_cb_data->status = RPC_STATUS_ERROR;
2647 }
2648 if (status == RPC_STATUS_CANCEL) {
2649 rdpe_cb_data->status = RPC_STATUS_CANCEL;
2650 }
2651 if (status == RPC_STATUS_SUCCESS && res->status != NFS3_OK) {
2652 rdpe_cb_data->status = RPC_STATUS_ERROR;
2653 }
2654 if (status == RPC_STATUS_SUCCESS && res->status == NFS3_OK) {
2655 if (res->LOOKUP3res_u.resok.obj_attributes.attributes_follow) {
2656 fattr3 *attributes = &res->LOOKUP3res_u.resok.obj_attributes.post_op_attr_u.attributes;
2657
2658 nfsdirent->type = attributes->type;
2659 nfsdirent->mode = attributes->mode;
2660 nfsdirent->size = attributes->size;
2661
2662 nfsdirent->atime.tv_sec = attributes->atime.seconds;
2663 nfsdirent->atime.tv_usec = attributes->atime.nseconds/1000;
2664 nfsdirent->mtime.tv_sec = attributes->mtime.seconds;
2665 nfsdirent->mtime.tv_usec = attributes->mtime.nseconds/1000;
2666 nfsdirent->ctime.tv_sec = attributes->ctime.seconds;
2667 nfsdirent->ctime.tv_usec = attributes->ctime.nseconds/1000;
7bda8bad
RS		 2668 nfsdirent->uid = attributes->uid;
2669 nfsdirent->gid = attributes->gid;
fb69c64c
RS		 2670 }
2671 }
2672
2673 if (rdpe_cb_data->getattrcount == 0) {
2674 if (rdpe_cb_data->status != RPC_STATUS_SUCCESS) {
2675 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2676 nfs_free_nfsdir(nfsdir);
2677 } else {
2678 data->cb(0, nfs, nfsdir, data->private_data);
2679 }
2680 free(rdpe_cb_data);
2681
2682 data->continue_data = NULL;
2683 free_nfs_cb_data(data);
2684 }
2685}
2686
f3a75078 2687static void nfs_opendir2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
fb69c64c
RS		 2688{
2689 READDIR3res *res = command_data;
84004dbf
RS		 2690 struct nfs_cb_data *data = private_data;
2691 struct nfs_context *nfs = data->nfs;
fb6510bb 2692 struct nfsdir *nfsdir = data->continue_data;
fb69c64c
RS		 2693 struct nfsdirent *nfsdirent;
2694 struct entry3 *entry;
ecbd14a1 2695 uint64_t cookie = 0;
fb69c64c 2696 struct rdpe_cb_data *rdpe_cb_data;
4b1ae88a 2697
f3a75078
RS		 2698 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2699
84004dbf
RS		 2700 if (status == RPC_STATUS_ERROR) {
2701 data->cb(-EFAULT, nfs, command_data, data->private_data);
2702 nfs_free_nfsdir(nfsdir);
2703 data->continue_data = NULL;
2704 free_nfs_cb_data(data);
2705 return;
2706 }
fb69c64c 2707
84004dbf
RS		 2708 if (status == RPC_STATUS_CANCEL) {
2709 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2710 nfs_free_nfsdir(nfsdir);
2711 data->continue_data = NULL;
2712 free_nfs_cb_data(data);
2713 return;
2714 }
2715
84004dbf
RS		 2716 if (res->status != NFS3_OK) {
2717 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));
2718 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2719 nfs_free_nfsdir(nfsdir);
2720 data->continue_data = NULL;
2721 free_nfs_cb_data(data);
2722 return;
fb69c64c
RS		 2723 }
2724
2725 entry =res->READDIR3res_u.resok.reply.entries;
2726 while (entry != NULL) {
2727 nfsdirent = malloc(sizeof(struct nfsdirent));
2728 if (nfsdirent == NULL) {
2729 data->cb(-ENOMEM, nfs, "Failed to allocate dirent", data->private_data);
2730 nfs_free_nfsdir(nfsdir);
2731 data->continue_data = NULL;
2732 free_nfs_cb_data(data);
2733 return;
2734 }
2735 memset(nfsdirent, 0, sizeof(struct nfsdirent));
2736 nfsdirent->name = strdup(entry->name);
2737 if (nfsdirent->name == NULL) {
2738 data->cb(-ENOMEM, nfs, "Failed to allocate dirent->name", data->private_data);
2739 nfs_free_nfsdir(nfsdir);
2740 data->continue_data = NULL;
2741 free_nfs_cb_data(data);
2742 return;
2743 }
2744 nfsdirent->inode = entry->fileid;
2745
2746 nfsdirent->next = nfsdir->entries;
2747 nfsdir->entries = nfsdirent;
2748
2749 cookie = entry->cookie;
2750 entry = entry->nextentry;
2751 }
2752
2753 if (res->READDIR3res_u.resok.reply.eof == 0) {
a64a16a2
RS		 2754 READDIR3args args;
2755
2756 args.dir = data->fh;
2757 args.cookie = cookie;
2452c57f 2758 memcpy(&args.cookieverf, res->READDIR3res_u.resok.cookieverf, sizeof(cookieverf3));
a64a16a2
RS		 2759 args.count = 8192;
2760
2761 if (rpc_nfs3_readdir_async(nfs->rpc, nfs_opendir2_cb, &args, data) != 0) {
fb69c64c
RS		 2762 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR call for %s", data->path);
2763 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2764 nfs_free_nfsdir(nfsdir);
2765 data->continue_data = NULL;
2766 free_nfs_cb_data(data);
2767 return;
2768 }
2769 return;
2770 }
2771
2772 /* steal the dirhandle */
2773 nfsdir->current = nfsdir->entries;
2774
2775 rdpe_cb_data = malloc(sizeof(struct rdpe_cb_data));
2776 rdpe_cb_data->getattrcount = 0;
2777 rdpe_cb_data->status = RPC_STATUS_SUCCESS;
2778 rdpe_cb_data->data = data;
2779 for (nfsdirent = nfsdir->entries; nfsdirent; nfsdirent = nfsdirent->next) {
2780 struct rdpe_lookup_cb_data *rdpe_lookup_cb_data;
463d59bf 2781 LOOKUP3args args;
fb69c64c
RS		 2782
2783 rdpe_lookup_cb_data = malloc(sizeof(struct rdpe_lookup_cb_data));
2784 rdpe_lookup_cb_data->rdpe_cb_data = rdpe_cb_data;
2785 rdpe_lookup_cb_data->nfsdirent = nfsdirent;
2786
463d59bf 2787 memset(&args, 0, sizeof(LOOKUP3args));
2452c57f
RS		 2788 args.what.dir = data->fh;
2789 args.what.name = nfsdirent->name;
463d59bf
RS		 2790
2791 if (rpc_nfs3_lookup_async(nfs->rpc, nfs_opendir3_cb, &args, rdpe_lookup_cb_data) != 0) {
fb69c64c
RS		 2792 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR LOOKUP call");
2793
2794 /* if we have already commands in flight, we cant just stop, we have to wait for the
2795 * commands in flight to complete
2796 */
2797 if (rdpe_cb_data->getattrcount > 0) {
2798 rdpe_cb_data->status = RPC_STATUS_ERROR;
2799 free(rdpe_lookup_cb_data);
2800 return;
2801 }
2802
2803 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2804 nfs_free_nfsdir(nfsdir);
2805 data->continue_data = NULL;
2806 free_nfs_cb_data(data);
2807 free(rdpe_lookup_cb_data);
2808 free(rdpe_cb_data);
2809 return;
2810 }
2811 rdpe_cb_data->getattrcount++;
2812 }
2813}
2814
2815
f3a75078 2816static void nfs_opendir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
fb69c64c
RS		 2817{
2818 READDIRPLUS3res *res = command_data;
2819 struct nfs_cb_data *data = private_data;
2820 struct nfs_context *nfs = data->nfs;
2821 struct nfsdir *nfsdir = data->continue_data;
2822 struct entryplus3 *entry;
ecbd14a1 2823 uint64_t cookie = 0;
4b1ae88a 2824
f3a75078 2825 assert(rpc->magic == RPC_CONTEXT_MAGIC);
fb69c64c
RS		 2826
2827 if (status == RPC_STATUS_ERROR || (status == RPC_STATUS_SUCCESS && res->status == NFS3ERR_NOTSUPP) ){
a64a16a2
RS		 2828 READDIR3args args;
2829
2830 args.dir = data->fh;
2831 args.cookie = cookie;
2452c57f 2832 memset(&args.cookieverf, 0, sizeof(cookieverf3));
a64a16a2 2833 args.count = 8192;
fb69c64c 2834
a64a16a2 2835 if (rpc_nfs3_readdir_async(nfs->rpc, nfs_opendir2_cb, &args, data) != 0) {
fb69c64c
RS		 2836 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR call for %s", data->path);
2837 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2838 nfs_free_nfsdir(nfsdir);
2839 data->continue_data = NULL;
2840 free_nfs_cb_data(data);
2841 return;
2842 }
2843 return;
2844 }
2845
2846 if (status == RPC_STATUS_CANCEL) {
2847 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2848 nfs_free_nfsdir(nfsdir);
2849 data->continue_data = NULL;
2850 free_nfs_cb_data(data);
2851 return;
2852 }
2853
2854 if (res->status != NFS3_OK) {
2855 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));
2856 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2857 nfs_free_nfsdir(nfsdir);
2858 data->continue_data = NULL;
2859 free_nfs_cb_data(data);
2860 return;
84004dbf
RS		 2861 }
2862
f390f181 2863 entry =res->READDIRPLUS3res_u.resok.reply.entries;
84004dbf
RS		 2864 while (entry != NULL) {
2865 struct nfsdirent *nfsdirent;
2866
2867 nfsdirent = malloc(sizeof(struct nfsdirent));
2868 if (nfsdirent == NULL) {
2869 data->cb(-ENOMEM, nfs, "Failed to allocate dirent", data->private_data);
2870 nfs_free_nfsdir(nfsdir);
2871 data->continue_data = NULL;
2872 free_nfs_cb_data(data);
2873 return;
2874 }
ea98629a 2875 memset(nfsdirent, 0, sizeof(struct nfsdirent));
84004dbf
RS		 2876 nfsdirent->name = strdup(entry->name);
2877 if (nfsdirent->name == NULL) {
2878 data->cb(-ENOMEM, nfs, "Failed to allocate dirent->name", data->private_data);
2879 nfs_free_nfsdir(nfsdir);
2880 data->continue_data = NULL;
2881 free_nfs_cb_data(data);
2882 return;
2883 }
2884 nfsdirent->inode = entry->fileid;
0804e67d
RS		 2885 if (entry->name_attributes.attributes_follow) {
2886 nfsdirent->type = entry->name_attributes.post_op_attr_u.attributes.type;
2887 nfsdirent->mode = entry->name_attributes.post_op_attr_u.attributes.mode;
2888 nfsdirent->size = entry->name_attributes.post_op_attr_u.attributes.size;
2889
2890 nfsdirent->atime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.atime.seconds;
2891 nfsdirent->atime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.atime.nseconds/1000;
2892 nfsdirent->mtime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.mtime.seconds;
2893 nfsdirent->mtime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.mtime.nseconds/1000;
2894 nfsdirent->ctime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.ctime.seconds;
2895 nfsdirent->ctime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.ctime.nseconds/1000;
7bda8bad
RS		 2896 nfsdirent->uid = entry->name_attributes.post_op_attr_u.attributes.uid;
2897 nfsdirent->gid = entry->name_attributes.post_op_attr_u.attributes.gid;
0804e67d
RS		 2898 }
2899
84004dbf
RS		 2900 nfsdirent->next = nfsdir->entries;
2901 nfsdir->entries = nfsdirent;
2902
2903 cookie = entry->cookie;
2904 entry = entry->nextentry;
2905 }
2906
f390f181 2907 if (res->READDIRPLUS3res_u.resok.reply.eof == 0) {
1a5b83c9
RS		 2908 READDIRPLUS3args args;
2909
2910 args.dir = data->fh;
2911 args.cookie = cookie;
2912 memcpy(&args.cookieverf, res->READDIRPLUS3res_u.resok.cookieverf, sizeof(cookieverf3));
2913 args.dircount = 8192;
2914 args.maxcount = 8192;
2915
2916 if (rpc_nfs3_readdirplus_async(nfs->rpc, nfs_opendir_cb, &args, data) != 0) {
f390f181 2917 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIRPLUS call for %s", data->path);
84004dbf
RS		 2918 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2919 nfs_free_nfsdir(nfsdir);
2920 data->continue_data = NULL;
2921 free_nfs_cb_data(data);
2922 return;
2923 }
2924 return;
2925 }
2926
2927 /* steal the dirhandle */
2928 data->continue_data = NULL;
2929 nfsdir->current = nfsdir->entries;
2930
2931 data->cb(0, nfs, nfsdir, data->private_data);
2932 free_nfs_cb_data(data);
2933}
2934
2935static int nfs_opendir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2936{
1a5b83c9 2937 READDIRPLUS3args args;
84004dbf 2938
1a5b83c9
RS		 2939 args.dir = data->fh;
2940 args.cookie = 0;
2941 memset(&args.cookieverf, 0, sizeof(cookieverf3));
2942 args.dircount = 8192;
2943 args.maxcount = 8192;
2944 if (rpc_nfs3_readdirplus_async(nfs->rpc, nfs_opendir_cb, &args, data) != 0) {
f390f181 2945 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIRPLUS call for %s", data->path);
84004dbf
RS		 2946 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2947 free_nfs_cb_data(data);
2948 return -1;
2949 }
2950 return 0;
2951}
2952
2953int nfs_opendir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
2954{
2955 struct nfsdir *nfsdir;
2956
2957 nfsdir = malloc(sizeof(struct nfsdir));
2958 if (nfsdir == NULL) {
cbbf9d3e 2959 rpc_set_error(nfs->rpc, "failed to allocate buffer for nfsdir");
84004dbf
RS		 2960 return -1;
2961 }
ea98629a 2962 memset(nfsdir, 0, sizeof(struct nfsdir));
84004dbf
RS		 2963
2964 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_opendir_continue_internal, nfsdir, free, 0) != 0) {
cbbf9d3e
RS		 2965 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2966 return -1;
84004dbf
RS		 2967 }
2968
2969 return 0;
2970}
2971
2972
2973struct nfsdirent *nfs_readdir(struct nfs_context *nfs _U_, struct nfsdir *nfsdir)
2974{
2975 struct nfsdirent *nfsdirent = nfsdir->current;
2976
2977 if (nfsdir->current != NULL) {
2978 nfsdir->current = nfsdir->current->next;
2979 }
2980 return nfsdirent;
2981}
2982
2983
f893b680
RS		 2984/*
2985 * closedir()
2986 */
84004dbf
RS		 2987void nfs_closedir(struct nfs_context *nfs _U_, struct nfsdir *nfsdir)
2988{
2989 nfs_free_nfsdir(nfsdir);
2990}
2991
2992
f893b680
RS		 2993/*
2994 * getcwd()
2995 */
2996void nfs_getcwd(struct nfs_context *nfs, const char **cwd)
2997{
2998 if (cwd) {
2999 *cwd = nfs->cwd;
3000 }
3001}
84004dbf
RS		 3002
3003
3004/*
3005 * Async lseek()
3006 */
3007struct lseek_cb_data {
3008 struct nfs_context *nfs;
3009 struct nfsfh *nfsfh;
183451cf 3010 uint64_t offset;
84004dbf
RS		 3011 nfs_cb cb;
3012 void *private_data;
3013};
3014
f3a75078 3015static void nfs_lseek_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3016{
3017 GETATTR3res *res;
3018 struct lseek_cb_data *data = private_data;
3019 struct nfs_context *nfs = data->nfs;
3020
f3a75078
RS		 3021 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3022
84004dbf
RS		 3023 if (status == RPC_STATUS_ERROR) {
3024 data->cb(-EFAULT, nfs, command_data, data->private_data);
3025 free(data);
3026 return;
3027 }
3028 if (status == RPC_STATUS_CANCEL) {
3029 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3030 free(data);
3031 return;
3032 }
3033
3034 res = command_data;
3035 if (res->status != NFS3_OK) {
3036 rpc_set_error(nfs->rpc, "NFS: GETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
3037 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3038 free(data);
3039 return;
3040 }
3041
3042 data->nfsfh->offset = data->offset + res->GETATTR3res_u.resok.obj_attributes.size;
3043 data->cb(0, nfs, &data->nfsfh->offset, data->private_data);
3044 free(data);
3045}
3046
183451cf 3047int nfs_lseek_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t offset, int whence, nfs_cb cb, void *private_data)
84004dbf
RS		 3048{
3049 struct lseek_cb_data *data;
463d59bf 3050 struct GETATTR3args args;
84004dbf
RS		 3051
3052 if (whence == SEEK_SET) {
3053 nfsfh->offset = offset;
3054 cb(0, nfs, &nfsfh->offset, private_data);
3055 return 0;
3056 }
3057 if (whence == SEEK_CUR) {
3058 nfsfh->offset += offset;
3059 cb(0, nfs, &nfsfh->offset, private_data);
3060 return 0;
3061 }
3062
3063 data = malloc(sizeof(struct lseek_cb_data));
3064 if (data == NULL) {
3065 rpc_set_error(nfs->rpc, "Out Of Memory: Failed to malloc lseek cb data");
3066 return -1;
3067 }
3068
3069 data->nfs = nfs;
3070 data->nfsfh = nfsfh;
3071 data->offset = offset;
3072 data->cb = cb;
3073 data->private_data = private_data;
3074
463d59bf 3075 memset(&args, 0, sizeof(GETATTR3args));
2452c57f 3076 args.object = nfsfh->fh;
463d59bf
RS		 3077
3078 if (rpc_nfs3_getattr_async(nfs->rpc, nfs_lseek_1_cb, &args, data) != 0) {
84004dbf
RS		 3079 rpc_set_error(nfs->rpc, "RPC error: Failed to send LSEEK GETATTR call");
3080 free(data);
cbbf9d3e 3081 return -1;
84004dbf
RS		 3082 }
3083 return 0;
3084}
3085
3086
3087
3088
3089/*
3090 * Async statvfs()
3091 */
f3a75078 3092static void nfs_statvfs_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3093{
3094 FSSTAT3res *res;
3095 struct nfs_cb_data *data = private_data;
3096 struct nfs_context *nfs = data->nfs;
3097 struct statvfs svfs;
3098
f3a75078
RS		 3099 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3100
84004dbf
RS		 3101 if (status == RPC_STATUS_ERROR) {
3102 data->cb(-EFAULT, nfs, command_data, data->private_data);
3103 free_nfs_cb_data(data);
3104 return;
3105 }
3106 if (status == RPC_STATUS_CANCEL) {
3107 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3108 free_nfs_cb_data(data);
3109 return;
3110 }
3111
3112 res = command_data;
3113 if (res->status != NFS3_OK) {
3114 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));
3115 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3116 free_nfs_cb_data(data);
3117 return;
3118 }
3119
3120 svfs.f_bsize = 4096;
3121 svfs.f_frsize = 4096;
3122 svfs.f_blocks = res->FSSTAT3res_u.resok.tbytes/4096;
3123 svfs.f_bfree = res->FSSTAT3res_u.resok.fbytes/4096;
3124 svfs.f_bavail = res->FSSTAT3res_u.resok.abytes/4096;
3125 svfs.f_files = res->FSSTAT3res_u.resok.tfiles;
3126 svfs.f_ffree = res->FSSTAT3res_u.resok.ffiles;
252aa90d 3127#if !defined(ANDROID)
84004dbf
RS		 3128 svfs.f_favail = res->FSSTAT3res_u.resok.afiles;
3129 svfs.f_fsid = 0;
3130 svfs.f_flag = 0;
3131 svfs.f_namemax = 256;
252aa90d 3132#endif
84004dbf
RS		 3133
3134 data->cb(0, nfs, &svfs, data->private_data);
3135 free_nfs_cb_data(data);
3136}
3137
3138static int nfs_statvfs_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3139{
0249c17b
RS		 3140 FSSTAT3args args;
3141
3142 args.fsroot = data->fh;
3143 if (rpc_nfs3_fsstat_async(nfs->rpc, nfs_statvfs_1_cb, &args, data) != 0) {
84004dbf
RS		 3144 rpc_set_error(nfs->rpc, "RPC error: Failed to send FSSTAT call for %s", data->path);
3145 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3146 free_nfs_cb_data(data);
3147 return -1;
3148 }
3149 return 0;
3150}
3151
3152int nfs_statvfs_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
3153{
3154 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_statvfs_continue_internal, NULL, NULL, 0) != 0) {
cbbf9d3e 3155 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3156 return -1;
3157 }
3158
3159 return 0;
3160}
3161
3162
3163
3164
3165/*
3166 * Async readlink()
3167 */
f3a75078 3168static void nfs_readlink_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3169{
3170 READLINK3res *res;
3171 struct nfs_cb_data *data = private_data;
3172 struct nfs_context *nfs = data->nfs;
3173
f3a75078
RS		 3174 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3175
84004dbf
RS		 3176 if (status == RPC_STATUS_ERROR) {
3177 data->cb(-EFAULT, nfs, command_data, data->private_data);
3178 free_nfs_cb_data(data);
3179 return;
3180 }
3181 if (status == RPC_STATUS_CANCEL) {
3182 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3183 free_nfs_cb_data(data);
3184 return;
3185 }
3186
3187 res = command_data;
3188 if (res->status != NFS3_OK) {
3189 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));
3190 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3191 free_nfs_cb_data(data);
3192 return;
3193 }
3194
4b1ae88a 3195
84004dbf
RS		 3196 data->cb(0, nfs, res->READLINK3res_u.resok.data, data->private_data);
3197 free_nfs_cb_data(data);
3198}
3199
3200static int nfs_readlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3201{
16104b27
RS		 3202 READLINK3args args;
3203
2452c57f 3204 args.symlink = data->fh;
16104b27 3205
7cd23ccc 3206 if (rpc_nfs3_readlink_async(nfs->rpc, nfs_readlink_1_cb, &args, data) != 0) {
84004dbf
RS		 3207 rpc_set_error(nfs->rpc, "RPC error: Failed to send READLINK call for %s", data->path);
3208 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3209 free_nfs_cb_data(data);
3210 return -1;
3211 }
3212 return 0;
3213}
3214
3215int nfs_readlink_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
3216{
3217 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_readlink_continue_internal, NULL, NULL, 0) != 0) {
cbbf9d3e 3218 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3219 return -1;
3220 }
3221
3222 return 0;
3223}
3224
3225
3226
3227
3228/*
3229 * Async chmod()
3230 */
f3a75078 3231static void nfs_chmod_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3232{
3233 struct nfs_cb_data *data = private_data;
3234 struct nfs_context *nfs = data->nfs;
3235 SETATTR3res *res;
3236
f3a75078
RS		 3237 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3238
84004dbf
RS		 3239 if (status == RPC_STATUS_ERROR) {
3240 data->cb(-EFAULT, nfs, command_data, data->private_data);
3241 free_nfs_cb_data(data);
3242 return;
3243 }
3244 if (status == RPC_STATUS_CANCEL) {
3245 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3246 free_nfs_cb_data(data);
3247 return;
3248 }
3249
3250 res = command_data;
3251 if (res->status != NFS3_OK) {
3252 rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
3253 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3254 free_nfs_cb_data(data);
3255 return;
3256 }
3257
3258 data->cb(0, nfs, NULL, data->private_data);
3259 free_nfs_cb_data(data);
3260}
3261
3262static int nfs_chmod_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3263{
3264 SETATTR3args args;
3265
ea98629a 3266 memset(&args, 0, sizeof(SETATTR3args));
2452c57f 3267 args.object = data->fh;
84004dbf
RS		 3268 args.new_attributes.mode.set_it = 1;
3269 args.new_attributes.mode.set_mode3_u.mode = data->continue_int;
3270
b701254d 3271 if (rpc_nfs3_setattr_async(nfs->rpc, nfs_chmod_cb, &args, data) != 0) {
84004dbf
RS		 3272 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
3273 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3274 free_nfs_cb_data(data);
3275 return -1;
3276 }
3277 return 0;
3278}
3279
3280
3281int nfs_chmod_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data)
3282{
3283 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_chmod_continue_internal, NULL, NULL, mode) != 0) {
cbbf9d3e 3284 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3285 return -1;
3286 }
3287
3288 return 0;
3289}
3290
3291/*
3292 * Async fchmod()
3293 */
3294int nfs_fchmod_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int mode, nfs_cb cb, void *private_data)
3295{
3296 struct nfs_cb_data *data;
3297
3298 data = malloc(sizeof(struct nfs_cb_data));
3299 if (data == NULL) {
cbbf9d3e 3300 rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for nfs mount data");
84004dbf
RS		 3301 return -1;
3302 }
ea98629a 3303 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 3304 data->nfs = nfs;
3305 data->cb = cb;
3306 data->private_data = private_data;
3307 data->continue_int = mode;
3308 data->fh.data.data_len = nfsfh->fh.data.data_len;
3309 data->fh.data.data_val = malloc(data->fh.data.data_len);
3310 if (data->fh.data.data_val == NULL) {
3311 rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh");
3312 free_nfs_cb_data(data);
3313 return -1;
3314 }
3315 memcpy(data->fh.data.data_val, nfsfh->fh.data.data_val, data->fh.data.data_len);
3316
3317 if (nfs_chmod_continue_internal(nfs, data) != 0) {
3318 free_nfs_cb_data(data);
3319 return -1;
3320 }
3321
3322 return 0;
3323}
3324
3325
3326
3327/*
3328 * Async chown()
3329 */
f3a75078 3330static void nfs_chown_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3331{
3332 struct nfs_cb_data *data = private_data;
3333 struct nfs_context *nfs = data->nfs;
3334 SETATTR3res *res;
3335
f3a75078
RS		 3336 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3337
84004dbf
RS		 3338 if (status == RPC_STATUS_ERROR) {
3339 data->cb(-EFAULT, nfs, command_data, data->private_data);
3340 free_nfs_cb_data(data);
3341 return;
3342 }
3343 if (status == RPC_STATUS_CANCEL) {
3344 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3345 free_nfs_cb_data(data);
3346 return;
3347 }
3348
3349 res = command_data;
3350 if (res->status != NFS3_OK) {
3351 rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
3352 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3353 free_nfs_cb_data(data);
3354 return;
3355 }
3356
3357 data->cb(0, nfs, NULL, data->private_data);
3358 free_nfs_cb_data(data);
3359}
3360
3361struct nfs_chown_data {
3362 uid_t uid;
3363 gid_t gid;
3364};
3365
3366static int nfs_chown_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3367{
3368 SETATTR3args args;
3369 struct nfs_chown_data *chown_data = data->continue_data;
3370
ea98629a 3371 memset(&args, 0, sizeof(SETATTR3args));
2452c57f 3372 args.object = data->fh;
84004dbf
RS		 3373 if (chown_data->uid != (uid_t)-1) {
3374 args.new_attributes.uid.set_it = 1;
3375 args.new_attributes.uid.set_uid3_u.uid = chown_data->uid;
3376 }
3377 if (chown_data->gid != (gid_t)-1) {
3378 args.new_attributes.gid.set_it = 1;
3379 args.new_attributes.gid.set_gid3_u.gid = chown_data->gid;
3380 }
3381
b701254d 3382 if (rpc_nfs3_setattr_async(nfs->rpc, nfs_chown_cb, &args, data) != 0) {
84004dbf
RS		 3383 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
3384 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3385 free_nfs_cb_data(data);
3386 return -1;
3387 }
3388 return 0;
3389}
3390
3391
3392int nfs_chown_async(struct nfs_context *nfs, const char *path, int uid, int gid, nfs_cb cb, void *private_data)
3393{
3394 struct nfs_chown_data *chown_data;
3395
3396 chown_data = malloc(sizeof(struct nfs_chown_data));
3397 if (chown_data == NULL) {
cbbf9d3e 3398 rpc_set_error(nfs->rpc, "Failed to allocate memory for chown data structure");
84004dbf
RS		 3399 return -1;
3400 }
3401
3402 chown_data->uid = uid;
3403 chown_data->gid = gid;
3404
3405 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_chown_continue_internal, chown_data, free, 0) != 0) {
cbbf9d3e 3406 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3407 return -1;
3408 }
3409
3410 return 0;
3411}
3412
3413
3414/*
3415 * Async fchown()
3416 */
3417int nfs_fchown_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int uid, int gid, nfs_cb cb, void *private_data)
3418{
3419 struct nfs_cb_data *data;
3420 struct nfs_chown_data *chown_data;
3421
3422 chown_data = malloc(sizeof(struct nfs_chown_data));
3423 if (chown_data == NULL) {
cbbf9d3e 3424 rpc_set_error(nfs->rpc, "Failed to allocate memory for chown data structure");
84004dbf
RS		 3425 return -1;
3426 }
3427
3428 chown_data->uid = uid;
3429 chown_data->gid = gid;
3430
3431
3432 data = malloc(sizeof(struct nfs_cb_data));
3433 if (data == NULL) {
cbbf9d3e 3434 rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for fchown data");
84004dbf
RS		 3435 return -1;
3436 }
ea98629a 3437 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 3438 data->nfs = nfs;
3439 data->cb = cb;
3440 data->private_data = private_data;
3441 data->continue_data = chown_data;
3442 data->fh.data.data_len = nfsfh->fh.data.data_len;
3443 data->fh.data.data_val = malloc(data->fh.data.data_len);
3444 if (data->fh.data.data_val == NULL) {
3445 rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh");
3446 free_nfs_cb_data(data);
3447 return -1;
3448 }
3449 memcpy(data->fh.data.data_val, nfsfh->fh.data.data_val, data->fh.data.data_len);
3450
3451
3452 if (nfs_chown_continue_internal(nfs, data) != 0) {
3453 free_nfs_cb_data(data);
3454 return -1;
3455 }
3456
3457 return 0;
3458}
3459
3460
3461
3462
3463
3464/*
3465 * Async utimes()
3466 */
f3a75078 3467static void nfs_utimes_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3468{
3469 struct nfs_cb_data *data = private_data;
3470 struct nfs_context *nfs = data->nfs;
3471 SETATTR3res *res;
3472
f3a75078
RS		 3473 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3474
84004dbf
RS		 3475 if (status == RPC_STATUS_ERROR) {
3476 data->cb(-EFAULT, nfs, command_data, data->private_data);
3477 free_nfs_cb_data(data);
3478 return;
3479 }
3480 if (status == RPC_STATUS_CANCEL) {
3481 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3482 free_nfs_cb_data(data);
3483 return;
3484 }
3485
3486 res = command_data;
3487 if (res->status != NFS3_OK) {
3488 rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
3489 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3490 free_nfs_cb_data(data);
3491 return;
3492 }
3493
3494 data->cb(0, nfs, NULL, data->private_data);
3495 free_nfs_cb_data(data);
3496}
3497
3498static int nfs_utimes_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3499{
3500 SETATTR3args args;
3501 struct timeval *utimes_data = data->continue_data;
3502
ea98629a 3503 memset(&args, 0, sizeof(SETATTR3args));
2452c57f 3504 args.object = data->fh;
84004dbf
RS		 3505 if (utimes_data != NULL) {
3506 args.new_attributes.atime.set_it = SET_TO_CLIENT_TIME;
3507 args.new_attributes.atime.set_atime_u.atime.seconds = utimes_data[0].tv_sec;
3508 args.new_attributes.atime.set_atime_u.atime.nseconds = utimes_data[0].tv_usec * 1000;
3509 args.new_attributes.mtime.set_it = SET_TO_CLIENT_TIME;
3510 args.new_attributes.mtime.set_mtime_u.mtime.seconds = utimes_data[1].tv_sec;
3511 args.new_attributes.mtime.set_mtime_u.mtime.nseconds = utimes_data[1].tv_usec * 1000;
3512 } else {
3513 args.new_attributes.atime.set_it = SET_TO_SERVER_TIME;
3514 args.new_attributes.mtime.set_it = SET_TO_SERVER_TIME;
3515 }
3516
b701254d 3517 if (rpc_nfs3_setattr_async(nfs->rpc, nfs_utimes_cb, &args, data) != 0) {
84004dbf
RS		 3518 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
3519 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3520 free_nfs_cb_data(data);
3521 return -1;
3522 }
3523 return 0;
3524}
3525
3526
3527int nfs_utimes_async(struct nfs_context *nfs, const char *path, struct timeval *times, nfs_cb cb, void *private_data)
3528{
3529 struct timeval *new_times = NULL;
3530
3531 if (times != NULL) {
3532 new_times = malloc(sizeof(struct timeval)*2);
3533 if (new_times == NULL) {
cbbf9d3e 3534 rpc_set_error(nfs->rpc, "Failed to allocate memory for timeval structure");
84004dbf
RS		 3535 return -1;
3536 }
3537
3538 memcpy(new_times, times, sizeof(struct timeval)*2);
3539 }
3540
3541 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_utimes_continue_internal, new_times, free, 0) != 0) {
cbbf9d3e 3542 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3543 return -1;
3544 }
3545
3546 return 0;
3547}
3548
3549/*
3550 * Async utime()
3551 */
3552int nfs_utime_async(struct nfs_context *nfs, const char *path, struct utimbuf *times, nfs_cb cb, void *private_data)
3553{
3554 struct timeval *new_times = NULL;
3555
3556 if (times != NULL) {
3557 new_times = malloc(sizeof(struct timeval)*2);
3558 if (new_times == NULL) {
cbbf9d3e 3559 rpc_set_error(nfs->rpc, "Failed to allocate memory for timeval structure");
84004dbf
RS		 3560 return -1;
3561 }
3562
3563 new_times[0].tv_sec = times->actime;
3564 new_times[0].tv_usec = 0;
3565 new_times[1].tv_sec = times->modtime;
3566 new_times[1].tv_usec = 0;
3567 }
3568
3569 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_utimes_continue_internal, new_times, free, 0) != 0) {
cbbf9d3e 3570 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3571 return -1;
3572 }
3573
3574 return 0;
3575}
84004dbf
RS		 3576
3577
3578/*
3579 * Async access()
3580 */
f3a75078 3581static void nfs_access_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3582{
3583 ACCESS3res *res;
3584 struct nfs_cb_data *data = private_data;
3585 struct nfs_context *nfs = data->nfs;
3586 unsigned int nfsmode = 0;
3587
f3a75078
RS		 3588 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3589
84004dbf
RS		 3590 if (status == RPC_STATUS_ERROR) {
3591 data->cb(-EFAULT, nfs, command_data, data->private_data);
3592 free_nfs_cb_data(data);
3593 return;
3594 }
3595 if (status == RPC_STATUS_CANCEL) {
3596 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3597 free_nfs_cb_data(data);
3598 return;
3599 }
3600
3601 res = command_data;
3602 if (res->status != NFS3_OK) {
3603 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));
3604 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3605 free_nfs_cb_data(data);
3606 return;
3607 }
3608
3609 if (data->continue_int & R_OK) {
3610 nfsmode |= ACCESS3_READ;
3611 }
3612 if (data->continue_int & W_OK) {
3613 nfsmode |= ACCESS3_MODIFY;
3614 }
3615 if (data->continue_int & X_OK) {
3616 nfsmode |= ACCESS3_EXECUTE;
3617 }
3618
3619 if (res->ACCESS3res_u.resok.access != nfsmode) {
3620 rpc_set_error(nfs->rpc, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c",
3621 nfsmode&ACCESS3_READ?'r':'-',
3622 nfsmode&ACCESS3_MODIFY?'w':'-',
3623 nfsmode&ACCESS3_EXECUTE?'x':'-',
3624 res->ACCESS3res_u.resok.access&ACCESS3_READ?'r':'-',
3625 res->ACCESS3res_u.resok.access&ACCESS3_MODIFY?'w':'-',
3626 res->ACCESS3res_u.resok.access&ACCESS3_EXECUTE?'x':'-');
3627 data->cb(-EACCES, nfs, rpc_get_error(nfs->rpc), data->private_data);
3628 free_nfs_cb_data(data);
3629 return;
3630 }
3631
3632 data->cb(0, nfs, NULL, data->private_data);
3633 free_nfs_cb_data(data);
3634}
3635
3636static int nfs_access_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3637{
3638 int nfsmode = 0;
463d59bf 3639 ACCESS3args args;
84004dbf
RS		 3640
3641 if (data->continue_int & R_OK) {
3642 nfsmode |= ACCESS3_READ;
3643 }
3644 if (data->continue_int & W_OK) {
3645 nfsmode |= ACCESS3_MODIFY;
3646 }
3647 if (data->continue_int & X_OK) {
3648 nfsmode |= ACCESS3_EXECUTE;
3649 }
3650
463d59bf 3651 memset(&args, 0, sizeof(ACCESS3args));
2452c57f 3652 args.object = data->fh;
463d59bf
RS		 3653 args.access = nfsmode;
3654
3655 if (rpc_nfs3_access_async(nfs->rpc, nfs_access_cb, &args, data) != 0) {
84004dbf
RS		 3656 rpc_set_error(nfs->rpc, "RPC error: Failed to send OPEN ACCESS call for %s", data->path);
3657 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3658 free_nfs_cb_data(data);
3659 return -1;
3660 }
3661 return 0;
3662}
3663
3664int nfs_access_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data)
3665{
3666 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_access_continue_internal, NULL, NULL, mode) != 0) {
cbbf9d3e
RS		 3667 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
3668 return -1;
84004dbf
RS		 3669 }
3670
3671 return 0;
3672}
3673
3674
3675
3676/*
3677 * Async symlink()
3678 */
3679struct nfs_symlink_data {
3680 char *oldpath;
3681 char *newpathparent;
3682 char *newpathobject;
3683};
3684
3685static void free_nfs_symlink_data(void *mem)
3686{
3687 struct nfs_symlink_data *data = mem;
3688
3689 if (data->oldpath != NULL) {
3690 free(data->oldpath);
3691 }
3692 if (data->newpathparent != NULL) {
3693 free(data->newpathparent);
3694 }
3695 if (data->newpathobject != NULL) {
3696 free(data->newpathobject);
3697 }
3698 free(data);
3699}
3700
f3a75078 3701static void nfs_symlink_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3702{
3703 SYMLINK3res *res;
3704 struct nfs_cb_data *data = private_data;
3705 struct nfs_context *nfs = data->nfs;
3706 struct nfs_symlink_data *symlink_data = data->continue_data;
4b1ae88a 3707
f3a75078
RS		 3708 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3709
84004dbf
RS		 3710 if (status == RPC_STATUS_ERROR) {
3711 data->cb(-EFAULT, nfs, command_data, data->private_data);
3712 free_nfs_cb_data(data);
3713 return;
3714 }
3715 if (status == RPC_STATUS_CANCEL) {
3716 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3717 free_nfs_cb_data(data);
3718 return;
3719 }
3720
3721 res = command_data;
3722 if (res->status != NFS3_OK) {
3723 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));
3724 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3725 free_nfs_cb_data(data);
3726 return;
3727 }
3728
3729 data->cb(0, nfs, NULL, data->private_data);
3730 free_nfs_cb_data(data);
3731}
3732
3733static int nfs_symlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3734{
3735 struct nfs_symlink_data *symlink_data = data->continue_data;
87f81c85 3736 SYMLINK3args args;
84004dbf 3737
87f81c85 3738 memset(&args, 0, sizeof(SYMLINK3args));
2452c57f 3739 args.where.dir = data->fh;
87f81c85
RS		 3740 args.where.name = symlink_data->newpathobject;
3741 args.symlink.symlink_attributes.mode.set_it = 1;
3742 args.symlink.symlink_attributes.mode.set_mode3_u.mode = S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IWGRP|S_IXGRP|S_IROTH|S_IWOTH|S_IXOTH;
3743 args.symlink.symlink_data = symlink_data->oldpath;
8e255816 3744
87f81c85 3745 if (rpc_nfs3_symlink_async(nfs->rpc, nfs_symlink_cb, &args, data) != 0) {
84004dbf
RS		 3746 rpc_set_error(nfs->rpc, "RPC error: Failed to send SYMLINK call for %s", data->path);
3747 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3748 free_nfs_cb_data(data);
3749 return -1;
3750 }
3751 return 0;
3752}
3753
3754int nfs_symlink_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data)
3755{
3756 char *ptr;
3757 struct nfs_symlink_data *symlink_data;
3758
3759 symlink_data = malloc(sizeof(struct nfs_symlink_data));
3760 if (symlink_data == NULL) {
cbbf9d3e 3761 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for symlink data");
84004dbf
RS		 3762 return -1;
3763 }
ea98629a 3764 memset(symlink_data, 0, sizeof(struct nfs_symlink_data));
84004dbf
RS		 3765
3766 symlink_data->oldpath = strdup(oldpath);
3767 if (symlink_data->oldpath == NULL) {
cbbf9d3e 3768 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath");
84004dbf 3769 free_nfs_symlink_data(symlink_data);
cbbf9d3e 3770 return -1;
84004dbf
RS		 3771 }
3772
3773 symlink_data->newpathparent = strdup(newpath);
3774 if (symlink_data->newpathparent == NULL) {
cbbf9d3e 3775 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for new path");
84004dbf 3776 free_nfs_symlink_data(symlink_data);
cbbf9d3e 3777 return -1;
84004dbf
RS		 3778 }
3779
93e9306f 3780 ptr = strrchr(symlink_data->newpathparent, '/');
84004dbf 3781 if (ptr == NULL) {
cbbf9d3e 3782 rpc_set_error(nfs->rpc, "Invalid path %s", oldpath);
84004dbf 3783 free_nfs_symlink_data(symlink_data);
cbbf9d3e 3784 return -1;
84004dbf
RS		 3785 }
3786 *ptr = 0;
3787 ptr++;
3788
3789 symlink_data->newpathobject = strdup(ptr);
3790 if (symlink_data->newpathobject == NULL) {
cbbf9d3e 3791 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for new path");
84004dbf 3792 free_nfs_symlink_data(symlink_data);
cbbf9d3e 3793 return -1;
84004dbf
RS		 3794 }
3795
3796 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		 3797 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
3798 return -1;
84004dbf
RS		 3799 }
3800
3801 return 0;
3802}
3803
3804
3805
3806/*
3807 * Async rename()
3808 */
3809struct nfs_rename_data {
3810 char *oldpath;
3811 char *oldobject;
3812 struct nfs_fh3 olddir;
3813 char *newpath;
3814 char *newobject;
3815 struct nfs_fh3 newdir;
3816};
3817
3818static void free_nfs_rename_data(void *mem)
3819{
3820 struct nfs_rename_data *data = mem;
3821
3822 if (data->oldpath != NULL) {
3823 free(data->oldpath);
3824 }
3825 if (data->olddir.data.data_val != NULL) {
3826 free(data->olddir.data.data_val);
3827 }
3828 if (data->newpath != NULL) {
3829 free(data->newpath);
3830 }
3831 if (data->newdir.data.data_val != NULL) {
3832 free(data->newdir.data.data_val);
3833 }
3834 free(data);
3835}
3836
f3a75078 3837static void nfs_rename_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3838{
3839 RENAME3res *res;
3840 struct nfs_cb_data *data = private_data;
3841 struct nfs_context *nfs = data->nfs;
3842 struct nfs_rename_data *rename_data = data->continue_data;
4b1ae88a 3843
f3a75078
RS		 3844 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3845
84004dbf
RS		 3846 if (status == RPC_STATUS_ERROR) {
3847 data->cb(-EFAULT, nfs, command_data, data->private_data);
3848 free_nfs_cb_data(data);
3849 return;
3850 }
3851 if (status == RPC_STATUS_CANCEL) {
3852 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3853 free_nfs_cb_data(data);
3854 return;
3855 }
3856
3857 res = command_data;
3858 if (res->status != NFS3_OK) {
3859 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));
3860 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3861 free_nfs_cb_data(data);
3862 return;
3863 }
3864
3865 data->cb(0, nfs, NULL, data->private_data);
3866 free_nfs_cb_data(data);
3867}
3868
3869static int nfs_rename_continue_2_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3870{
3871 struct nfs_rename_data *rename_data = data->continue_data;
5940c705 3872 RENAME3args args;
84004dbf
RS		 3873
3874 /* steal the filehandle */
2452c57f 3875 rename_data->newdir = data->fh;
84004dbf
RS		 3876 data->fh.data.data_val = NULL;
3877
5940c705
RS		 3878 args.from.dir = rename_data->olddir;
3879 args.from.name = rename_data->oldobject;
3880 args.to.dir = rename_data->newdir;
3881 args.to.name = rename_data->newobject;
3882 if (rpc_nfs3_rename_async(nfs->rpc, nfs_rename_cb, &args, data) != 0) {
84004dbf
RS		 3883 rpc_set_error(nfs->rpc, "RPC error: Failed to send RENAME call for %s", data->path);
3884 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3885 free_nfs_cb_data(data);
3886 return -1;
3887 }
3888 return 0;
3889}
3890
3891
3892static int nfs_rename_continue_1_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3893{
3894 struct nfs_rename_data *rename_data = data->continue_data;
3895
3896 /* steal the filehandle */
2452c57f 3897 rename_data->olddir = data->fh;
84004dbf
RS		 3898 data->fh.data.data_val = NULL;
3899
3900 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) {
3901 rpc_set_error(nfs->rpc, "RPC error: Failed to send LOOKUP call for %s", rename_data->newpath);
3902 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3903 free_nfs_cb_data(data);
3904 return -1;
3905 }
3906 data->continue_data = NULL;
3907 free_nfs_cb_data(data);
3908
3909 return 0;
3910}
3911
3912
3913int nfs_rename_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data)
3914{
3915 char *ptr;
3916 struct nfs_rename_data *rename_data;
3917
3918 rename_data = malloc(sizeof(struct nfs_rename_data));
3919 if (rename_data == NULL) {
cbbf9d3e 3920 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for rename data");
84004dbf
RS		 3921 return -1;
3922 }
ea98629a 3923 memset(rename_data, 0, sizeof(struct nfs_rename_data));
84004dbf
RS		 3924
3925 rename_data->oldpath = strdup(oldpath);
3926 if (rename_data->oldpath == NULL) {
cbbf9d3e 3927 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath");
84004dbf 3928 free_nfs_rename_data(rename_data);
cbbf9d3e 3929 return -1;
84004dbf 3930 }
93e9306f 3931 ptr = strrchr(rename_data->oldpath, '/');
84004dbf 3932 if (ptr == NULL) {
cbbf9d3e 3933 rpc_set_error(nfs->rpc, "Invalid path %s", oldpath);
84004dbf 3934 free_nfs_rename_data(rename_data);
cbbf9d3e 3935 return -1;
84004dbf
RS		 3936 }
3937 *ptr = 0;
3938 ptr++;
3939 rename_data->oldobject = ptr;
3940
3941
3942 rename_data->newpath = strdup(newpath);
3943 if (rename_data->newpath == NULL) {
cbbf9d3e 3944 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for newpath");
84004dbf 3945 free_nfs_rename_data(rename_data);
cbbf9d3e 3946 return -1;
84004dbf 3947 }
93e9306f 3948 ptr = strrchr(rename_data->newpath, '/');
84004dbf 3949 if (ptr == NULL) {
cbbf9d3e 3950 rpc_set_error(nfs->rpc, "Invalid path %s", newpath);
84004dbf 3951 free_nfs_rename_data(rename_data);
cbbf9d3e 3952 return -1;
84004dbf
RS		 3953 }
3954 *ptr = 0;
3955 ptr++;
3956 rename_data->newobject = ptr;
3957
3958
3959 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		 3960 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
3961 return -1;
84004dbf
RS		 3962 }
3963
3964 return 0;
3965}
3966
3967
3968/*
3969 * Async link()
3970 */
3971struct nfs_link_data {
3972 char *oldpath;
3973 struct nfs_fh3 oldfh;
3974 char *newpath;
3975 char *newobject;
3976 struct nfs_fh3 newdir;
3977};
3978
3979static void free_nfs_link_data(void *mem)
3980{
3981 struct nfs_link_data *data = mem;
3982
3983 if (data->oldpath != NULL) {
3984 free(data->oldpath);
3985 }
3986 if (data->oldfh.data.data_val != NULL) {
3987 free(data->oldfh.data.data_val);
3988 }
3989 if (data->newpath != NULL) {
3990 free(data->newpath);
3991 }
3992 if (data->newdir.data.data_val != NULL) {
3993 free(data->newdir.data.data_val);
3994 }
3995 free(data);
3996}
3997
f3a75078 3998static void nfs_link_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3999{
4000 LINK3res *res;
4001 struct nfs_cb_data *data = private_data;
4002 struct nfs_context *nfs = data->nfs;
4003 struct nfs_link_data *link_data = data->continue_data;
4b1ae88a 4004
f3a75078
RS		 4005 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4006
84004dbf
RS		 4007 if (status == RPC_STATUS_ERROR) {
4008 data->cb(-EFAULT, nfs, command_data, data->private_data);
4009 free_nfs_cb_data(data);
4010 return;
4011 }
4012 if (status == RPC_STATUS_CANCEL) {
4013 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
4014 free_nfs_cb_data(data);
4015 return;
4016 }
4017
4018 res = command_data;
4019 if (res->status != NFS3_OK) {
4020 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));
4021 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
4022 free_nfs_cb_data(data);
4023 return;
4024 }
4025
4026 data->cb(0, nfs, NULL, data->private_data);
4027 free_nfs_cb_data(data);
4028}
4029
4030static int nfs_link_continue_2_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
4031{
4032 struct nfs_link_data *link_data = data->continue_data;
560f9434 4033 LINK3args args;
84004dbf
RS		 4034
4035 /* steal the filehandle */
2452c57f 4036 link_data->newdir = data->fh;
84004dbf
RS		 4037 data->fh.data.data_val = NULL;
4038
560f9434
RS		 4039 memset(&args, 0, sizeof(LINK3args));
4040 args.file = link_data->oldfh;
4041 args.link.dir = link_data->newdir;
4042 args.link.name = link_data->newobject;
4043 if (rpc_nfs3_link_async(nfs->rpc, nfs_link_cb, &args, data) != 0) {
84004dbf
RS		 4044 rpc_set_error(nfs->rpc, "RPC error: Failed to send LINK call for %s", data->path);
4045 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
4046 free_nfs_cb_data(data);
4047 return -1;
4048 }
4049 return 0;
4050}
4051
4052
4053static int nfs_link_continue_1_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
4054{
4055 struct nfs_link_data *link_data = data->continue_data;
4056
4057 /* steal the filehandle */
2452c57f 4058 link_data->oldfh = data->fh;
84004dbf
RS		 4059 data->fh.data.data_val = NULL;
4060
4061 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) {
4062 rpc_set_error(nfs->rpc, "RPC error: Failed to send LOOKUP call for %s", link_data->newpath);
4063 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
4064 free_nfs_cb_data(data);
4065 return -1;
4066 }
4067 data->continue_data = NULL;
4068 free_nfs_cb_data(data);
4069
4070 return 0;
4071}
4072
4073
4074int nfs_link_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data)
4075{
4076 char *ptr;
4077 struct nfs_link_data *link_data;
4078
4079 link_data = malloc(sizeof(struct nfs_link_data));
4080 if (link_data == NULL) {
cbbf9d3e 4081 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for link data");
84004dbf
RS		 4082 return -1;
4083 }
ea98629a 4084 memset(link_data, 0, sizeof(struct nfs_link_data));
84004dbf
RS		 4085
4086 link_data->oldpath = strdup(oldpath);
4087 if (link_data->oldpath == NULL) {
cbbf9d3e 4088 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath");
84004dbf 4089 free_nfs_link_data(link_data);
cbbf9d3e 4090 return -1;
84004dbf
RS		 4091 }
4092
4093 link_data->newpath = strdup(newpath);
4094 if (link_data->newpath == NULL) {
cbbf9d3e 4095 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for newpath");
84004dbf 4096 free_nfs_link_data(link_data);
cbbf9d3e 4097 return -1;
84004dbf 4098 }
93e9306f 4099 ptr = strrchr(link_data->newpath, '/');
84004dbf 4100 if (ptr == NULL) {
cbbf9d3e 4101 rpc_set_error(nfs->rpc, "Invalid path %s", newpath);
84004dbf 4102 free_nfs_link_data(link_data);
cbbf9d3e 4103 return -1;
84004dbf
RS		 4104 }
4105 *ptr = 0;
4106 ptr++;
4107 link_data->newobject = ptr;
4108
4109
4110 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		 4111 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
4112 return -1;
84004dbf
RS		 4113 }
4114
4115 return 0;
4116}
4117
4118
4119//qqq replace later with lseek()
183451cf 4120uint64_t nfs_get_current_offset(struct nfsfh *nfsfh)
84004dbf
RS		 4121{
4122 return nfsfh->offset;
4123}
4124
17ef62fa
RS		 4125
4126
4127/*
4128 * Get the maximum supported READ3 size by the server
4129 */
183451cf 4130uint64_t nfs_get_readmax(struct nfs_context *nfs)
17ef62fa
RS		 4131{
4132 return nfs->readmax;
4133}
4134
4135/*
4136 * Get the maximum supported WRITE3 size by the server
4137 */
183451cf 4138uint64_t nfs_get_writemax(struct nfs_context *nfs)
17ef62fa 4139{
e7f3a781 4140 return nfs->writemax;
17ef62fa 4141}
1896d37b 4142
d43a8953
PL		 4143void nfs_set_tcp_syncnt(struct nfs_context *nfs, int v) {
4144 rpc_set_tcp_syncnt(nfs->rpc, v);
4145}
4146
4147void nfs_set_uid(struct nfs_context *nfs, int uid) {
4148 rpc_set_uid(nfs->rpc, uid);
4149}
4150
4151void nfs_set_gid(struct nfs_context *nfs, int gid) {
4152 rpc_set_gid(nfs->rpc, gid);
4153}
4154
1896d37b
RS		 4155void nfs_set_error(struct nfs_context *nfs, char *error_string, ...)
4156{
4157 va_list ap;
1e8994af 4158 char *str = NULL;
1896d37b 4159
1e8994af 4160 va_start(ap, error_string);
2606f9bb
RS		 4161 str = malloc(1024);
4162 vsnprintf(str, 1024, error_string, ap);
1896d37b
RS		 4163 if (nfs->rpc->error_string != NULL) {
4164 free(nfs->rpc->error_string);
4165 }
1896d37b 4166 nfs->rpc->error_string = str;
f893b680 4167 va_end(ap);
1896d37b 4168}
7f0242ca
RS		 4169
4170
4171
4172struct mount_cb_data {
4173 rpc_cb cb;
4174 void *private_data;
4175 char *server;
4176};
4177
4178static void free_mount_cb_data(struct mount_cb_data *data)
4179{
4180 if (data->server != NULL) {
4181 free(data->server);
4182 data->server = NULL;
4183 }
4184
4185 free(data);
4186}
4187
4188static void mount_export_5_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
4189{
4190 struct mount_cb_data *data = private_data;
4191
f3a75078
RS		 4192 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4193
4194 if (status == RPC_STATUS_ERROR) {
7f0242ca
RS		 4195 data->cb(rpc, -EFAULT, command_data, data->private_data);
4196 free_mount_cb_data(data);
4197 return;
4198 }
4199 if (status == RPC_STATUS_CANCEL) {
4200 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
4201 free_mount_cb_data(data);
4202 return;
4203 }
4204
4205 data->cb(rpc, 0, command_data, data->private_data);
4206 if (rpc_disconnect(rpc, "normal disconnect") != 0) {
4207 rpc_set_error(rpc, "Failed to disconnect\n");
4208 }
4209 free_mount_cb_data(data);
4210}
4211
4212static void mount_export_4_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
4213{
4214 struct mount_cb_data *data = private_data;
4215
f3a75078
RS		 4216 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4217
14a062eb
RS		 4218 /* Dont want any more callbacks even if the socket is closed */
4219 rpc->connect_cb = NULL;
4220
4b1ae88a 4221 if (status == RPC_STATUS_ERROR) {
7f0242ca
RS		 4222 data->cb(rpc, -EFAULT, command_data, data->private_data);
4223 free_mount_cb_data(data);
4224 return;
4225 }
4226 if (status == RPC_STATUS_CANCEL) {
4227 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
4228 free_mount_cb_data(data);
4229 return;
4230 }
4231
eda77ec3 4232 if (rpc_mount3_export_async(rpc, mount_export_5_cb, data) != 0) {
7f0242ca
RS		 4233 data->cb(rpc, -ENOMEM, command_data, data->private_data);
4234 free_mount_cb_data(data);
4235 return;
4236 }
4237}
4238
4239static void mount_export_3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
4240{
4241 struct mount_cb_data *data = private_data;
4242 uint32_t mount_port;
4243
f3a75078
RS		 4244 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4245
4246 if (status == RPC_STATUS_ERROR) {
7f0242ca
RS		 4247 data->cb(rpc, -EFAULT, command_data, data->private_data);
4248 free_mount_cb_data(data);
4249 return;
4250 }
4251 if (status == RPC_STATUS_CANCEL) {
4252 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
4253 free_mount_cb_data(data);
4254 return;
4255 }
4256
4257 mount_port = *(uint32_t *)command_data;
4258 if (mount_port == 0) {
4259 rpc_set_error(rpc, "RPC error. Mount program is not available");
4260 data->cb(rpc, -ENOENT, command_data, data->private_data);
4261 free_mount_cb_data(data);
4262 return;
4263 }
4264
4265 rpc_disconnect(rpc, "normal disconnect");
4266 if (rpc_connect_async(rpc, data->server, mount_port, mount_export_4_cb, data) != 0) {
4267 data->cb(rpc, -ENOMEM, command_data, data->private_data);
4268 free_mount_cb_data(data);
4269 return;
4270 }
4271}
4272
4273static void mount_export_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
4274{
4275 struct mount_cb_data *data = private_data;
4276
f3a75078
RS		 4277 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4278
7f0242ca
RS		 4279 if (status == RPC_STATUS_ERROR) {
4280 data->cb(rpc, -EFAULT, command_data, data->private_data);
4281 free_mount_cb_data(data);
4282 return;
4283 }
4284 if (status == RPC_STATUS_CANCEL) {
4285 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
4286 free_mount_cb_data(data);
4287 return;
4288 }
4289
5c6b1176 4290 if (rpc_pmap_getport_async(rpc, MOUNT_PROGRAM, MOUNT_V3, IPPROTO_TCP, mount_export_3_cb, private_data) != 0) {
7f0242ca
RS		 4291 data->cb(rpc, -ENOMEM, command_data, data->private_data);
4292 free_mount_cb_data(data);
4293 return;
4294 }
4295}
4296
4297static void mount_export_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
4298{
4299 struct mount_cb_data *data = private_data;
4300
f3a75078
RS		 4301 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4302
14a062eb
RS		 4303 /* Dont want any more callbacks even if the socket is closed */
4304 rpc->connect_cb = NULL;
4305
7f0242ca
RS		 4306 if (status == RPC_STATUS_ERROR) {
4307 data->cb(rpc, -EFAULT, command_data, data->private_data);
4308 free_mount_cb_data(data);
4309 return;
4310 }
4311 if (status == RPC_STATUS_CANCEL) {
4312 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
4313 free_mount_cb_data(data);
4314 return;
4315 }
4316
4317 if (rpc_pmap_null_async(rpc, mount_export_2_cb, data) != 0) {
4318 data->cb(rpc, -ENOMEM, command_data, data->private_data);
4319 free_mount_cb_data(data);
4320 return;
4321 }
4322}
4323
4324int mount_getexports_async(struct rpc_context *rpc, const char *server, rpc_cb cb, void *private_data)
4325{
4326 struct mount_cb_data *data;
4327
f3a75078
RS		 4328 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4329
7f0242ca
RS		 4330 data = malloc(sizeof(struct mount_cb_data));
4331 if (data == NULL) {
4332 return -1;
4333 }
ea98629a 4334 memset(data, 0, sizeof(struct mount_cb_data));
7f0242ca
RS		 4335 data->cb = cb;
4336 data->private_data = private_data;
4337 data->server = strdup(server);
4338 if (data->server == NULL) {
4339 free_mount_cb_data(data);
4340 return -1;
4b1ae88a 4341 }
7f0242ca
RS		 4342 if (rpc_connect_async(rpc, data->server, 111, mount_export_1_cb, data) != 0) {
4343 free_mount_cb_data(data);
4344 return -1;
4345 }
4346
4347 return 0;
4348}
4349
df5af25f
RS		 4350struct rpc_context *nfs_get_rpc_context(struct nfs_context *nfs)
4351{
f3a75078 4352 assert(nfs->rpc->magic == RPC_CONTEXT_MAGIC);
df5af25f
RS		 4353 return nfs->rpc;
4354}
4355
b077fdeb
RS		 4356const char *nfs_get_server(struct nfs_context *nfs) {
4357 return nfs->server;
4358}
4359
4360const char *nfs_get_export(struct nfs_context *nfs) {
4361 return nfs->export;
4362}
0ad9a1f1 4363
8724c833
RS		 4364const struct nfs_fh3 *nfs_get_rootfh(struct nfs_context *nfs) {
4365 return &nfs->rootfh;
4366}
fa3c25be
RS		 4367
4368struct nfs_fh3 *nfs_get_fh(struct nfsfh *nfsfh) {
4369 return &nfsfh->fh;
4370}
libnfs Piment Noir Debian package repository