repositories / deb_libnfs.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
nfs_mkdir_async: fix potential memory leak
[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
2fa14f9b 527static void free_nfs_cb_data(struct nfs_cb_data *data)
84004dbf 528{
84004dbf 529 if (data->continue_data != NULL) {
206a2ff6 530 assert(data->free_continue_data);
84004dbf 531 data->free_continue_data(data->continue_data);
84004dbf
RS		 532 }
533
2fa14f9b
AR		 534 free(data->saved_path);
535 free(data->fh.data.data_val);
536 free(data->buffer);
921f877b 537
84004dbf
RS		 538 free(data);
539}
540
541
542
543
544
f3a75078 545static void nfs_mount_10_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 546{
547 struct nfs_cb_data *data = private_data;
548 struct nfs_context *nfs = data->nfs;
549
f3a75078
RS		 550 assert(rpc->magic == RPC_CONTEXT_MAGIC);
551
84004dbf
RS		 552 if (status == RPC_STATUS_ERROR) {
553 data->cb(-EFAULT, nfs, command_data, data->private_data);
554 free_nfs_cb_data(data);
555 return;
556 }
557 if (status == RPC_STATUS_CANCEL) {
558 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
559 free_nfs_cb_data(data);
560 return;
561 }
562
563 data->cb(0, nfs, NULL, data->private_data);
564 free_nfs_cb_data(data);
565}
566
17ef62fa 567static void nfs_mount_9_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 568{
569 struct nfs_cb_data *data = private_data;
570 struct nfs_context *nfs = data->nfs;
17ef62fa 571 FSINFO3res *res = command_data;
463d59bf 572 struct GETATTR3args args;
84004dbf 573
f3a75078
RS		 574 assert(rpc->magic == RPC_CONTEXT_MAGIC);
575
84004dbf
RS		 576 if (status == RPC_STATUS_ERROR) {
577 data->cb(-EFAULT, nfs, command_data, data->private_data);
578 free_nfs_cb_data(data);
579 return;
580 }
581 if (status == RPC_STATUS_CANCEL) {
582 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
583 free_nfs_cb_data(data);
584 return;
585 }
586
17ef62fa
RS		 587 nfs->readmax = res->FSINFO3res_u.resok.rtmax;
588 nfs->writemax = res->FSINFO3res_u.resok.wtmax;
84004dbf 589
463d59bf 590 memset(&args, 0, sizeof(GETATTR3args));
2452c57f 591 args.object = nfs->rootfh;
463d59bf
RS		 592
593 if (rpc_nfs3_getattr_async(rpc, nfs_mount_10_cb, &args, data) != 0) {
84004dbf
RS		 594 data->cb(-ENOMEM, nfs, command_data, data->private_data);
595 free_nfs_cb_data(data);
596 return;
597 }
598}
599
17ef62fa
RS		 600static void nfs_mount_8_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
601{
602 struct nfs_cb_data *data = private_data;
603 struct nfs_context *nfs = data->nfs;
c4ba61c5 604 struct FSINFO3args args;
17ef62fa 605
f3a75078
RS		 606 assert(rpc->magic == RPC_CONTEXT_MAGIC);
607
17ef62fa
RS		 608 if (status == RPC_STATUS_ERROR) {
609 data->cb(-EFAULT, nfs, command_data, data->private_data);
610 free_nfs_cb_data(data);
611 return;
612 }
613 if (status == RPC_STATUS_CANCEL) {
614 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
615 free_nfs_cb_data(data);
616 return;
617 }
618
c4ba61c5
RS		 619 args.fsroot = nfs->rootfh;
620 if (rpc_nfs3_fsinfo_async(rpc, nfs_mount_9_cb, &args, data) != 0) {
17ef62fa
RS		 621 data->cb(-ENOMEM, nfs, command_data, data->private_data);
622 free_nfs_cb_data(data);
623 return;
624 }
625}
626
627
84004dbf
RS		 628static void nfs_mount_7_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
629{
630 struct nfs_cb_data *data = private_data;
631 struct nfs_context *nfs = data->nfs;
632
f3a75078
RS		 633 assert(rpc->magic == RPC_CONTEXT_MAGIC);
634
14a062eb
RS		 635 /* Dont want any more callbacks even if the socket is closed */
636 rpc->connect_cb = NULL;
637
84004dbf
RS		 638 if (status == RPC_STATUS_ERROR) {
639 data->cb(-EFAULT, nfs, command_data, data->private_data);
640 free_nfs_cb_data(data);
641 return;
642 }
643 if (status == RPC_STATUS_CANCEL) {
644 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
645 free_nfs_cb_data(data);
646 return;
647 }
648
dc3ed8c3 649 if (rpc_nfs3_null_async(rpc, nfs_mount_8_cb, data) != 0) {
84004dbf
RS		 650 data->cb(-ENOMEM, nfs, command_data, data->private_data);
651 free_nfs_cb_data(data);
652 return;
653 }
654}
655
656
657static void nfs_mount_6_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
658{
659 struct nfs_cb_data *data = private_data;
660 struct nfs_context *nfs = data->nfs;
661 mountres3 *res;
662
f3a75078
RS		 663 assert(rpc->magic == RPC_CONTEXT_MAGIC);
664
84004dbf
RS		 665 if (status == RPC_STATUS_ERROR) {
666 data->cb(-EFAULT, nfs, command_data, data->private_data);
667 free_nfs_cb_data(data);
668 return;
669 }
670 if (status == RPC_STATUS_CANCEL) {
671 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
672 free_nfs_cb_data(data);
673 return;
674 }
675
676 res = command_data;
677 if (res->fhs_status != MNT3_OK) {
678 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));
679 data->cb(mountstat3_to_errno(res->fhs_status), nfs, rpc_get_error(rpc), data->private_data);
680 free_nfs_cb_data(data);
681 return;
682 }
683
684 nfs->rootfh.data.data_len = res->mountres3_u.mountinfo.fhandle.fhandle3_len;
685 nfs->rootfh.data.data_val = malloc(nfs->rootfh.data.data_len);
686 if (nfs->rootfh.data.data_val == NULL) {
687 rpc_set_error(rpc, "Out of memory. Could not allocate memory to store root filehandle");
688 data->cb(-ENOMEM, nfs, rpc_get_error(rpc), data->private_data);
689 free_nfs_cb_data(data);
690 return;
691 }
692 memcpy(nfs->rootfh.data.data_val, res->mountres3_u.mountinfo.fhandle.fhandle3_val, nfs->rootfh.data.data_len);
693
694 rpc_disconnect(rpc, "normal disconnect");
695 if (rpc_connect_async(rpc, nfs->server, 2049, nfs_mount_7_cb, data) != 0) {
696 data->cb(-ENOMEM, nfs, command_data, data->private_data);
697 free_nfs_cb_data(data);
698 return;
699 }
1744ef90
RS		 700 /* NFS TCP connections we want to autoreconnect after sessions are torn down (due to inactivity or error) */
701 rpc_set_autoreconnect(rpc);
84004dbf
RS		 702}
703
704
705static void nfs_mount_5_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
706{
707 struct nfs_cb_data *data = private_data;
708 struct nfs_context *nfs = data->nfs;
709
f3a75078
RS		 710 assert(rpc->magic == RPC_CONTEXT_MAGIC);
711
84004dbf
RS		 712 if (status == RPC_STATUS_ERROR) {
713 data->cb(-EFAULT, nfs, command_data, data->private_data);
714 free_nfs_cb_data(data);
715 return;
716 }
717 if (status == RPC_STATUS_CANCEL) {
718 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
719 free_nfs_cb_data(data);
720 return;
721 }
722
eda77ec3 723 if (rpc_mount3_mnt_async(rpc, nfs_mount_6_cb, nfs->export, data) != 0) {
84004dbf
RS		 724 data->cb(-ENOMEM, nfs, command_data, data->private_data);
725 free_nfs_cb_data(data);
726 return;
727 }
728}
729
730static void nfs_mount_4_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
731{
732 struct nfs_cb_data *data = private_data;
733 struct nfs_context *nfs = data->nfs;
734
f3a75078
RS		 735 assert(rpc->magic == RPC_CONTEXT_MAGIC);
736
14a062eb
RS		 737 /* Dont want any more callbacks even if the socket is closed */
738 rpc->connect_cb = NULL;
739
84004dbf
RS		 740 if (status == RPC_STATUS_ERROR) {
741 data->cb(-EFAULT, nfs, command_data, data->private_data);
742 free_nfs_cb_data(data);
743 return;
744 }
745 if (status == RPC_STATUS_CANCEL) {
746 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
747 free_nfs_cb_data(data);
748 return;
749 }
750
eda77ec3 751 if (rpc_mount3_null_async(rpc, nfs_mount_5_cb, data) != 0) {
84004dbf
RS		 752 data->cb(-ENOMEM, nfs, command_data, data->private_data);
753 free_nfs_cb_data(data);
754 return;
755 }
756}
757
758static void nfs_mount_3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
759{
760 struct nfs_cb_data *data = private_data;
761 struct nfs_context *nfs = data->nfs;
762 uint32_t mount_port;
763
f3a75078
RS		 764 assert(rpc->magic == RPC_CONTEXT_MAGIC);
765
4b1ae88a 766 if (status == RPC_STATUS_ERROR) {
84004dbf
RS		 767 data->cb(-EFAULT, nfs, command_data, data->private_data);
768 free_nfs_cb_data(data);
769 return;
770 }
771 if (status == RPC_STATUS_CANCEL) {
772 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
773 free_nfs_cb_data(data);
774 return;
775 }
776
777 mount_port = *(uint32_t *)command_data;
778 if (mount_port == 0) {
779 rpc_set_error(rpc, "RPC error. Mount program is not available on %s", nfs->server);
780 data->cb(-ENOENT, nfs, command_data, data->private_data);
781 free_nfs_cb_data(data);
782 return;
783 }
784
785 rpc_disconnect(rpc, "normal disconnect");
786 if (rpc_connect_async(rpc, nfs->server, mount_port, nfs_mount_4_cb, data) != 0) {
787 data->cb(-ENOMEM, nfs, command_data, data->private_data);
788 free_nfs_cb_data(data);
789 return;
790 }
791}
792
793
794static void nfs_mount_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
795{
796 struct nfs_cb_data *data = private_data;
797 struct nfs_context *nfs = data->nfs;
798
f3a75078
RS		 799 assert(rpc->magic == RPC_CONTEXT_MAGIC);
800
84004dbf
RS		 801 if (status == RPC_STATUS_ERROR) {
802 data->cb(-EFAULT, nfs, command_data, data->private_data);
803 free_nfs_cb_data(data);
804 return;
805 }
806 if (status == RPC_STATUS_CANCEL) {
807 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
808 free_nfs_cb_data(data);
809 return;
810 }
811
5c6b1176 812 if (rpc_pmap_getport_async(rpc, MOUNT_PROGRAM, MOUNT_V3, IPPROTO_TCP, nfs_mount_3_cb, private_data) != 0) {
84004dbf
RS		 813 data->cb(-ENOMEM, nfs, command_data, data->private_data);
814 free_nfs_cb_data(data);
815 return;
816 }
817}
818
819static void nfs_mount_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
820{
821 struct nfs_cb_data *data = private_data;
822 struct nfs_context *nfs = data->nfs;
823
f3a75078
RS		 824 assert(rpc->magic == RPC_CONTEXT_MAGIC);
825
14a062eb
RS		 826 /* Dont want any more callbacks even if the socket is closed */
827 rpc->connect_cb = NULL;
828
84004dbf
RS		 829 if (status == RPC_STATUS_ERROR) {
830 data->cb(-EFAULT, nfs, command_data, data->private_data);
831 free_nfs_cb_data(data);
832 return;
833 }
834 if (status == RPC_STATUS_CANCEL) {
835 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
836 free_nfs_cb_data(data);
837 return;
838 }
839
840 if (rpc_pmap_null_async(rpc, nfs_mount_2_cb, data) != 0) {
841 data->cb(-ENOMEM, nfs, command_data, data->private_data);
842 free_nfs_cb_data(data);
843 return;
844 }
845}
846
847/*
848 * Async call for mounting an nfs share and geting the root filehandle
849 */
850int nfs_mount_async(struct nfs_context *nfs, const char *server, const char *export, nfs_cb cb, void *private_data)
851{
852 struct nfs_cb_data *data;
b077fdeb 853 char *new_server, *new_export;
84004dbf
RS		 854
855 data = malloc(sizeof(struct nfs_cb_data));
856 if (data == NULL) {
cbbf9d3e 857 rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for nfs mount data");
84004dbf
RS		 858 return -1;
859 }
ea98629a 860 memset(data, 0, sizeof(struct nfs_cb_data));
b077fdeb
RS		 861 new_server = strdup(server);
862 new_export = strdup(export);
863 if (nfs->server != NULL) {
864 free(nfs->server);
b077fdeb
RS		 865 }
866 nfs->server = new_server;
867 if (nfs->export != NULL) {
868 free(nfs->export);
b077fdeb
RS		 869 }
870 nfs->export = new_export;
84004dbf
RS		 871 data->nfs = nfs;
872 data->cb = cb;
873 data->private_data = private_data;
874
875 if (rpc_connect_async(nfs->rpc, server, 111, nfs_mount_1_cb, data) != 0) {
cbbf9d3e 876 rpc_set_error(nfs->rpc, "Failed to start connection");
84004dbf 877 free_nfs_cb_data(data);
cbbf9d3e 878 return -1;
84004dbf
RS		 879 }
880
881 return 0;
882}
883
884
885
886/*
887 * Functions to first look up a path, component by component, and then finally call a specific function once
888 * the filehandle for the final component is found.
889 */
f3a75078 890static void nfs_lookup_path_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 891{
892 struct nfs_cb_data *data = private_data;
893 struct nfs_context *nfs = data->nfs;
894 LOOKUP3res *res;
895
f3a75078
RS		 896 assert(rpc->magic == RPC_CONTEXT_MAGIC);
897
84004dbf
RS		 898 if (status == RPC_STATUS_ERROR) {
899 data->cb(-EFAULT, nfs, command_data, data->private_data);
900 free_nfs_cb_data(data);
901 return;
902 }
903 if (status == RPC_STATUS_CANCEL) {
904 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
905 free_nfs_cb_data(data);
906 return;
907 }
908
909 res = command_data;
910 if (res->status != NFS3_OK) {
911 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));
912 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
913 free_nfs_cb_data(data);
914 return;
915 }
916
917 if (nfs_lookup_path_async_internal(nfs, data, &res->LOOKUP3res_u.resok.object) != 0) {
918 rpc_set_error(nfs->rpc, "Failed to create lookup pdu");
919 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
920 free_nfs_cb_data(data);
921 return;
922 }
923}
924
925static int nfs_lookup_path_async_internal(struct nfs_context *nfs, struct nfs_cb_data *data, struct nfs_fh3 *fh)
926{
f893b680 927 char *path, *slash;
463d59bf 928 LOOKUP3args args;
84004dbf
RS		 929
930 while (*data->path == '/') {
931 data->path++;
932 }
933
934 path = data->path;
f893b680
RS		 935 slash = strchr(path, '/');
936 if (slash != NULL) {
937 /* Clear slash so that path is a zero terminated string for
938 * the current path component. Set it back to '/' again later
939 * when we are finished referencing this component so that
940 * data->saved_path will still point to the full
941 * normalized path.
942 */
943 *slash = 0;
944 data->path = slash+1;
84004dbf
RS		 945 } else {
946 while (*data->path != 0) {
947 data->path++;
948 }
949 }
950
951 if (*path == 0) {
952 data->fh.data.data_len = fh->data.data_len;
953 data->fh.data.data_val = malloc(data->fh.data.data_len);
954 if (data->fh.data.data_val == NULL) {
955 rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh for %s", data->path);
956 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
957 free_nfs_cb_data(data);
958 return -1;
959 }
960 memcpy(data->fh.data.data_val, fh->data.data_val, data->fh.data.data_len);
f893b680
RS		 961 if (slash != NULL) {
962 *slash = '/';
963 }
84004dbf
RS		 964 data->continue_cb(nfs, data);
965 return 0;
966 }
967
463d59bf
RS		 968
969 memset(&args, 0, sizeof(LOOKUP3args));
2452c57f
RS		 970 args.what.dir = *fh;
971 args.what.name = path;
463d59bf
RS		 972
973 if (rpc_nfs3_lookup_async(nfs->rpc, nfs_lookup_path_1_cb, &args, data) != 0) {
84004dbf
RS		 974 rpc_set_error(nfs->rpc, "RPC error: Failed to send lookup call for %s", data->path);
975 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
976 free_nfs_cb_data(data);
977 return -1;
978 }
f893b680
RS		 979 if (slash != NULL) {
980 *slash = '/';
981 }
982 return 0;
983}
984
985static int nfs_normalize_path(struct nfs_context *nfs, char *path)
986{
987 char *str;
988 int len;
989
990 /* // -> / */
4b1ae88a 991 while ((str = strstr(path, "//"))) {
f893b680
RS		 992 while(*str) {
993 *str = *(str + 1);
994 str++;
995 }
996 }
997
998 /* /./ -> / */
4b1ae88a 999 while ((str = strstr(path, "/./"))) {
f893b680
RS		 1000 while(*(str + 1)) {
1001 *str = *(str + 2);
1002 str++;
1003 }
1004 }
1005
1006 /* ^/../ -> error */
1007 if (!strncmp(path, "/../", 4)) {
1008 rpc_set_error(nfs->rpc,
1009 "Absolute path starts with '/../' "
1010 "during normalization");
1011 return -1;
1012 }
1013
1014 /* ^[^/] -> error */
1015 if (path[0] != '/') {
1016 rpc_set_error(nfs->rpc,
1017 "Absolute path does not start with '/'");
1018 return -1;
1019 }
1020
1021 /* /string/../ -> / */
4b1ae88a 1022 while ((str = strstr(path, "/../"))) {
f893b680
RS		 1023 char *tmp;
1024
1025 if (!strncmp(path, "/../", 4)) {
1026 rpc_set_error(nfs->rpc,
1027 "Absolute path starts with '/../' "
1028 "during normalization");
1029 return -1;
1030 }
1031
1032 tmp = str - 1;
1033 while (*tmp != '/') {
1034 tmp--;
1035 }
1036 str += 3;
1037 while((*(tmp++) = *(str++)) != '\0')
1038 ;
1039 }
1040
1041 /* /$ -> \0 */
1042 len = strlen(path);
1043 if (len >= 1) {
1044 if (path[len - 1] == '/') {
1045 path[len - 1] = '\0';
1046 len--;
1047 }
1048 }
1049 if (path[0] == '\0') {
1050 rpc_set_error(nfs->rpc,
1051 "Absolute path became '' "
1052 "during normalization");
1053 return -1;
1054 }
1055
1056 /* /.$ -> \0 */
1057 if (len >= 2) {
1058 if (!strcmp(&path[len - 2], "/.")) {
1059 path[len - 2] = '\0';
1060 len -= 2;
1061 }
1062 }
1063
1064 /* ^/..$ -> error */
1065 if (!strcmp(path, "/..")) {
1066 rpc_set_error(nfs->rpc,
1067 "Absolute path is '/..' "
1068 "during normalization");
1069 return -1;
1070 }
1071
1072 /* /string/..$ -> / */
1073 if (len >= 3) {
1074 if (!strcmp(&path[len - 3], "/..")) {
1075 char *tmp = &path[len - 3];
1076 while (*--tmp != '/')
1077 ;
4b1ae88a 1078 *tmp = '\0';
f893b680
RS		 1079 }
1080 }
1081
84004dbf
RS		 1082 return 0;
1083}
1084
1085static 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)
1086{
1087 struct nfs_cb_data *data;
1088
f893b680 1089 if (path[0] == '\0') {
34edf264 1090 path = ".";
84004dbf
RS		 1091 }
1092
1093 data = malloc(sizeof(struct nfs_cb_data));
1094 if (data == NULL) {
f893b680
RS		 1095 rpc_set_error(nfs->rpc, "out of memory: failed to allocate "
1096 "nfs_cb_data structure");
e59193c9
AR		 1097 if (free_continue_data)
1098 free_continue_data(continue_data);
cbbf9d3e 1099 return -1;
84004dbf 1100 }
ea98629a 1101 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1102 data->nfs = nfs;
1103 data->cb = cb;
1104 data->continue_cb = continue_cb;
1105 data->continue_data = continue_data;
1106 data->free_continue_data = free_continue_data;
1107 data->continue_int = continue_int;
1108 data->private_data = private_data;
f893b680
RS		 1109 if (path[0] == '/') {
1110 data->saved_path = strdup(path);
1111 } else {
1112 data->saved_path = malloc(strlen(path) + strlen(nfs->cwd) + 2);
1113 if (data->saved_path == NULL) {
1114 rpc_set_error(nfs->rpc, "out of memory: failed to "
1115 "malloc path string");
1116 free_nfs_cb_data(data);
1117 return -1;
1118 }
1119 sprintf(data->saved_path, "%s/%s", nfs->cwd, path);
1120 }
1121
84004dbf
RS		 1122 if (data->saved_path == NULL) {
1123 rpc_set_error(nfs->rpc, "out of memory: failed to copy path string");
84004dbf 1124 free_nfs_cb_data(data);
cbbf9d3e 1125 return -1;
84004dbf 1126 }
f893b680
RS		 1127 if (nfs_normalize_path(nfs, data->saved_path) != 0) {
1128 free_nfs_cb_data(data);
1129 return -1;
1130 }
1131
84004dbf
RS		 1132 data->path = data->saved_path;
1133
1134 if (nfs_lookup_path_async_internal(nfs, data, &nfs->rootfh) != 0) {
84004dbf
RS		 1135 /* return 0 here since the callback will be invoked if there is a failure */
1136 return 0;
1137 }
1138 return 0;
1139}
1140
1141
1142
1143
1144
1145/*
1146 * Async stat()
1147 */
f3a75078 1148static void nfs_stat_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1149{
1150 GETATTR3res *res;
1151 struct nfs_cb_data *data = private_data;
1152 struct nfs_context *nfs = data->nfs;
be184101
M		 1153#ifdef WIN32
1154 struct __stat64 st;
1155#else
84004dbf 1156 struct stat st;
be184101 1157#endif
84004dbf 1158
f3a75078
RS		 1159 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1160
84004dbf
RS		 1161 if (status == RPC_STATUS_ERROR) {
1162 data->cb(-EFAULT, nfs, command_data, data->private_data);
1163 free_nfs_cb_data(data);
1164 return;
1165 }
1166 if (status == RPC_STATUS_CANCEL) {
1167 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1168 free_nfs_cb_data(data);
1169 return;
1170 }
1171
1172 res = command_data;
1173 if (res->status != NFS3_OK) {
1174 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));
1175 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1176 free_nfs_cb_data(data);
1177 return;
1178 }
1179
1180 st.st_dev = -1;
1181 st.st_ino = res->GETATTR3res_u.resok.obj_attributes.fileid;
1182 st.st_mode = res->GETATTR3res_u.resok.obj_attributes.mode;
e8cab72a
RS		 1183 if (res->GETATTR3res_u.resok.obj_attributes.type == NF3DIR) {
1184 st.st_mode |= S_IFDIR ;
1185 }
d7ec001f
RS		 1186 if (res->GETATTR3res_u.resok.obj_attributes.type == NF3REG) {
1187 st.st_mode |= S_IFREG ;
1188 }
84004dbf
RS		 1189 st.st_nlink = res->GETATTR3res_u.resok.obj_attributes.nlink;
1190 st.st_uid = res->GETATTR3res_u.resok.obj_attributes.uid;
1191 st.st_gid = res->GETATTR3res_u.resok.obj_attributes.gid;
1192 st.st_rdev = 0;
1193 st.st_size = res->GETATTR3res_u.resok.obj_attributes.size;
a8a1b858 1194#ifndef WIN32
84004dbf
RS		 1195 st.st_blksize = 4096;
1196 st.st_blocks = res->GETATTR3res_u.resok.obj_attributes.size / 4096;
4b1ae88a 1197#endif//WIN32
84004dbf
RS		 1198 st.st_atime = res->GETATTR3res_u.resok.obj_attributes.atime.seconds;
1199 st.st_mtime = res->GETATTR3res_u.resok.obj_attributes.mtime.seconds;
1200 st.st_ctime = res->GETATTR3res_u.resok.obj_attributes.ctime.seconds;
1201
1202 data->cb(0, nfs, &st, data->private_data);
1203 free_nfs_cb_data(data);
1204}
1205
1206static int nfs_stat_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
1207{
463d59bf
RS		 1208 struct GETATTR3args args;
1209
1210 memset(&args, 0, sizeof(GETATTR3args));
2452c57f 1211 args.object = data->fh;
463d59bf
RS		 1212
1213 if (rpc_nfs3_getattr_async(nfs->rpc, nfs_stat_1_cb, &args, data) != 0) {
84004dbf
RS		 1214 rpc_set_error(nfs->rpc, "RPC error: Failed to send STAT GETATTR call for %s", data->path);
1215 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1216 free_nfs_cb_data(data);
1217 return -1;
1218 }
1219 return 0;
1220}
1221
1222int nfs_stat_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
1223{
1224 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_stat_continue_internal, NULL, NULL, 0) != 0) {
cbbf9d3e 1225 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 1226 return -1;
1227 }
1228
1229 return 0;
1230}
1231
1232
1233
84004dbf
RS		 1234/*
1235 * Async open()
1236 */
22a0f15b
RS		 1237static void nfs_open_trunc_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
1238{
1239 struct nfs_cb_data *data = private_data;
1240 struct nfs_context *nfs = data->nfs;
be7b4360 1241 struct nfsfh *nfsfh;
22a0f15b
RS		 1242 SETATTR3res *res;
1243
1244 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1245
1246 if (status == RPC_STATUS_ERROR) {
1247 data->cb(-EFAULT, nfs, command_data, data->private_data);
1248 free_nfs_cb_data(data);
1249 return;
1250 }
1251 if (status == RPC_STATUS_CANCEL) {
1252 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1253 free_nfs_cb_data(data);
1254 return;
1255 }
1256
1257 res = command_data;
1258 if (res->status != NFS3_OK) {
1259 rpc_set_error(nfs->rpc, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1260 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1261 free_nfs_cb_data(data);
1262 return;
1263 }
1264
be7b4360
RS		 1265 nfsfh = malloc(sizeof(struct nfsfh));
1266 if (nfsfh == NULL) {
1267 rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure");
1268 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1269 free_nfs_cb_data(data);
1270 return;
1271 }
1272 memset(nfsfh, 0, sizeof(struct nfsfh));
1273
1274 if (data->continue_int & O_SYNC) {
1275 nfsfh->is_sync = 1;
1276 }
1277
1278 /* steal the filehandle */
1279 nfsfh->fh = data->fh;
1280 data->fh.data.data_val = NULL;
1281
1282 data->cb(0, nfs, nfsfh, data->private_data);
22a0f15b
RS		 1283 free_nfs_cb_data(data);
1284}
1285
f3a75078 1286static void nfs_open_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1287{
1288 ACCESS3res *res;
1289 struct nfs_cb_data *data = private_data;
1290 struct nfs_context *nfs = data->nfs;
1291 struct nfsfh *nfsfh;
1292 unsigned int nfsmode = 0;
1293
f3a75078
RS		 1294 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1295
84004dbf
RS		 1296 if (status == RPC_STATUS_ERROR) {
1297 data->cb(-EFAULT, nfs, command_data, data->private_data);
1298 free_nfs_cb_data(data);
1299 return;
1300 }
1301 if (status == RPC_STATUS_CANCEL) {
1302 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1303 free_nfs_cb_data(data);
1304 return;
1305 }
1306
1307 res = command_data;
1308 if (res->status != NFS3_OK) {
1309 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));
1310 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1311 free_nfs_cb_data(data);
1312 return;
1313 }
1314
1315 if (data->continue_int & O_WRONLY) {
1316 nfsmode |= ACCESS3_MODIFY;
1317 }
1318 if (data->continue_int & O_RDWR) {
1319 nfsmode |= ACCESS3_READ|ACCESS3_MODIFY;
1320 }
1321 if (!(data->continue_int & (O_WRONLY|O_RDWR))) {
1322 nfsmode |= ACCESS3_READ;
1323 }
1324
1325
1326 if (res->ACCESS3res_u.resok.access != nfsmode) {
1327 rpc_set_error(nfs->rpc, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c",
1328 nfsmode&ACCESS3_READ?'r':'-',
1329 nfsmode&ACCESS3_MODIFY?'w':'-',
1330 nfsmode&ACCESS3_EXECUTE?'x':'-',
1331 res->ACCESS3res_u.resok.access&ACCESS3_READ?'r':'-',
1332 res->ACCESS3res_u.resok.access&ACCESS3_MODIFY?'w':'-',
1333 res->ACCESS3res_u.resok.access&ACCESS3_EXECUTE?'x':'-');
1334 data->cb(-EACCES, nfs, rpc_get_error(nfs->rpc), data->private_data);
1335 free_nfs_cb_data(data);
1336 return;
1337 }
1338
22a0f15b
RS		 1339 /* Try to truncate it if we were requested to */
1340 if ((data->continue_int & O_TRUNC) &&
1341 (data->continue_int & (O_RDWR|O_WRONLY))) {
1342 SETATTR3args args;
1343
1344 memset(&args, 0, sizeof(SETATTR3args));
be7b4360 1345 args.object = data->fh;
22a0f15b
RS		 1346 args.new_attributes.size.set_it = 1;
1347 args.new_attributes.size.set_size3_u.size = 0;
1348
1349 if (rpc_nfs3_setattr_async(nfs->rpc, nfs_open_trunc_cb, &args,
1350 data) != 0) {
1351 rpc_set_error(nfs->rpc, "RPC error: Failed to send "
1352 "SETATTR call for %s", data->path);
1353 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc),
1354 data->private_data);
1355 free_nfs_cb_data(data);
1356 return;
1357 }
1358 return;
1359 }
1360
be7b4360
RS		 1361 nfsfh = malloc(sizeof(struct nfsfh));
1362 if (nfsfh == NULL) {
1363 rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure");
1364 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1365 free_nfs_cb_data(data);
1366 return;
1367 }
1368 memset(nfsfh, 0, sizeof(struct nfsfh));
1369
1370 if (data->continue_int & O_SYNC) {
1371 nfsfh->is_sync = 1;
1372 }
1373
1374 /* steal the filehandle */
1375 nfsfh->fh = data->fh;
1376 data->fh.data.data_val = NULL;
1377
84004dbf
RS		 1378 data->cb(0, nfs, nfsfh, data->private_data);
1379 free_nfs_cb_data(data);
1380}
1381
1382static int nfs_open_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
1383{
1384 int nfsmode = 0;
463d59bf 1385 ACCESS3args args;
84004dbf
RS		 1386
1387 if (data->continue_int & O_WRONLY) {
1388 nfsmode |= ACCESS3_MODIFY;
1389 }
1390 if (data->continue_int & O_RDWR) {
1391 nfsmode |= ACCESS3_READ|ACCESS3_MODIFY;
1392 }
1393 if (!(data->continue_int & (O_WRONLY|O_RDWR))) {
1394 nfsmode |= ACCESS3_READ;
1395 }
1396
463d59bf 1397 memset(&args, 0, sizeof(ACCESS3args));
2452c57f 1398 args.object = data->fh;
463d59bf
RS		 1399 args.access = nfsmode;
1400
1401 if (rpc_nfs3_access_async(nfs->rpc, nfs_open_cb, &args, data) != 0) {
22a0f15b
RS		 1402 rpc_set_error(nfs->rpc, "RPC error: Failed to send OPEN ACCESS "
1403 "call for %s", data->path);
1404 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc),
1405 data->private_data);
84004dbf
RS		 1406 free_nfs_cb_data(data);
1407 return -1;
1408 }
1409 return 0;
1410}
1411
3cea44dc 1412int nfs_open_async(struct nfs_context *nfs, const char *path, int flags, nfs_cb cb, void *private_data)
84004dbf 1413{
3cea44dc 1414 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_open_continue_internal, NULL, NULL, flags) != 0) {
cbbf9d3e
RS		 1415 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
1416 return -1;
84004dbf
RS		 1417 }
1418
1419 return 0;
1420}
1421
1422
f893b680
RS		 1423/*
1424 * Async chdir()
1425 */
1426static int nfs_chdir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
1427{
1428 /* steal saved_path */
1429 free(nfs->cwd);
1430 nfs->cwd = data->saved_path;
1431 data->saved_path = NULL;
84004dbf 1432
f893b680
RS		 1433 data->cb(0, nfs, NULL, data->private_data);
1434 free_nfs_cb_data(data);
1435
1436 return 0;
1437}
1438
1439int nfs_chdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
1440{
1441 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_chdir_continue_internal, NULL, NULL, 0) != 0) {
1442 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
1443 return -1;
1444 }
1445
1446 return 0;
1447}
84004dbf
RS		 1448
1449
1450/*
1451 * Async pread()
1452 */
f3a75078 1453static void nfs_pread_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1454{
1455 struct nfs_cb_data *data = private_data;
1456 struct nfs_context *nfs = data->nfs;
1457 READ3res *res;
1458
f3a75078
RS		 1459 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1460
84004dbf
RS		 1461 if (status == RPC_STATUS_ERROR) {
1462 data->cb(-EFAULT, nfs, command_data, data->private_data);
1463 free_nfs_cb_data(data);
1464 return;
1465 }
1466 if (status == RPC_STATUS_CANCEL) {
1467 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1468 free_nfs_cb_data(data);
1469 return;
1470 }
1471
1472 res = command_data;
1473 if (res->status != NFS3_OK) {
1474 rpc_set_error(nfs->rpc, "NFS: Read failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1475 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1476 free_nfs_cb_data(data);
1477 return;
1478 }
1479
1480 data->nfsfh->offset += res->READ3res_u.resok.count;
1481 data->cb(res->READ3res_u.resok.count, nfs, res->READ3res_u.resok.data.data_val, data->private_data);
1482 free_nfs_cb_data(data);
1483}
1484
f3a75078 1485static void nfs_pread_mcb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
921f877b
RS		 1486{
1487 struct nfs_mcb_data *mdata = private_data;
1488 struct nfs_cb_data *data = mdata->data;
1489 struct nfs_context *nfs = data->nfs;
1490 READ3res *res;
1491
f3a75078
RS		 1492 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1493
921f877b
RS		 1494 data->num_calls--;
1495
1496 if (status == RPC_STATUS_ERROR) {
1497 /* flag the failure but do not invoke callback until we have received all responses */
1498 data->error = 1;
1499 }
1500 if (status == RPC_STATUS_CANCEL) {
1501 /* flag the cancellation but do not invoke callback until we have received all responses */
1502 data->cancel = 1;
1503 }
1504
1505 /* reassemble the data into the buffer */
1506 if (status == RPC_STATUS_SUCCESS) {
1507 res = command_data;
1508 if (res->status != NFS3_OK) {
1509 rpc_set_error(nfs->rpc, "NFS: Read failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1510 data->error = 1;
e4a5ba42
RS		 1511 } else {
1512 if (res->READ3res_u.resok.count > 0) {
1513 memcpy(&data->buffer[mdata->offset - data->start_offset], res->READ3res_u.resok.data.data_val, res->READ3res_u.resok.count);
1514 if ((unsigned)data->max_offset < mdata->offset + res->READ3res_u.resok.count) {
1515 data->max_offset = mdata->offset + res->READ3res_u.resok.count;
1516 }
921f877b
RS		 1517 }
1518 }
1519 }
1520
1521 if (data->num_calls > 0) {
1522 /* still waiting for more replies */
1523 free(mdata);
1524 return;
1525 }
1526
921f877b
RS		 1527 if (data->error != 0) {
1528 data->cb(-EFAULT, nfs, command_data, data->private_data);
1529 free_nfs_cb_data(data);
1530 free(mdata);
1531 return;
1532 }
1533 if (data->cancel != 0) {
1534 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1535 free_nfs_cb_data(data);
1536 free(mdata);
1537 return;
1538 }
1539
1540 data->nfsfh->offset = data->max_offset;
7ed9d87a
RS		 1541 data->cb(data->max_offset - data->start_offset, nfs, data->buffer, data->private_data);
1542
921f877b
RS		 1543 free_nfs_cb_data(data);
1544 free(mdata);
1545}
1546
183451cf 1547int nfs_pread_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t offset, uint64_t count, nfs_cb cb, void *private_data)
84004dbf
RS		 1548{
1549 struct nfs_cb_data *data;
1550
1551 data = malloc(sizeof(struct nfs_cb_data));
1552 if (data == NULL) {
1553 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1554 return -1;
1555 }
ea98629a 1556 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1557 data->nfs = nfs;
1558 data->cb = cb;
1559 data->private_data = private_data;
1560 data->nfsfh = nfsfh;
1561
1562 nfsfh->offset = offset;
921f877b
RS		 1563
1564 if (count <= nfs_get_readmax(nfs)) {
463d59bf
RS		 1565 READ3args args;
1566
1567 memset(&args, 0, sizeof(READ3args));
2452c57f 1568 args.file = nfsfh->fh;
463d59bf
RS		 1569 args.offset = offset;
1570 args.count = count;
1571
1572 if (rpc_nfs3_read_async(nfs->rpc, nfs_pread_cb, &args, data) != 0) {
921f877b
RS		 1573 rpc_set_error(nfs->rpc, "RPC error: Failed to send READ call for %s", data->path);
1574 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1575 free_nfs_cb_data(data);
1576 return -1;
1577 }
1578 return 0;
1579 }
1580
1581 /* trying to read more than maximum server read size, we has to chop it up into smaller
1582 * reads and collect into a reassembly buffer.
cd67ec7d 1583 * we send all reads in parallel so that performance is still good.
921f877b 1584 */
7ed9d87a 1585 data->max_offset = offset;
921f877b
RS		 1586 data->start_offset = offset;
1587
1588 data->buffer = malloc(count);
1589 if (data->buffer == NULL) {
1590 rpc_set_error(nfs->rpc, "Out-Of-Memory: Failed to allocate reassembly buffer for %d bytes", (int)count);
84004dbf
RS		 1591 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1592 free_nfs_cb_data(data);
1593 return -1;
1594 }
921f877b
RS		 1595
1596 while (count > 0) {
183451cf 1597 uint64_t readcount = count;
921f877b 1598 struct nfs_mcb_data *mdata;
463d59bf 1599 READ3args args;
921f877b
RS		 1600
1601 if (readcount > nfs_get_readmax(nfs)) {
1602 readcount = nfs_get_readmax(nfs);
1603 }
1604
1605 mdata = malloc(sizeof(struct nfs_mcb_data));
1606 if (mdata == NULL) {
1607 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_mcb_data structure");
921f877b
RS		 1608 return -1;
1609 }
ea98629a 1610 memset(mdata, 0, sizeof(struct nfs_mcb_data));
921f877b
RS		 1611 mdata->data = data;
1612 mdata->offset = offset;
1613 mdata->count = readcount;
463d59bf
RS		 1614
1615 memset(&args, 0, sizeof(READ3args));
2452c57f 1616 args.file = nfsfh->fh;
463d59bf
RS		 1617 args.offset = offset;
1618 args.count = readcount;
1619
1620 if (rpc_nfs3_read_async(nfs->rpc, nfs_pread_mcb, &args, mdata) != 0) {
921f877b
RS		 1621 rpc_set_error(nfs->rpc, "RPC error: Failed to send READ call for %s", data->path);
1622 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1623 free(mdata);
1624 return -1;
1625 }
1626
1627 count -= readcount;
1628 offset += readcount;
1629 data->num_calls++;
1630 }
1631
1632 return 0;
84004dbf
RS		 1633}
1634
1635/*
1636 * Async read()
1637 */
183451cf 1638int nfs_read_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t count, nfs_cb cb, void *private_data)
84004dbf
RS		 1639{
1640 return nfs_pread_async(nfs, nfsfh, nfsfh->offset, count, cb, private_data);
1641}
1642
1643
1644
1645/*
1646 * Async pwrite()
1647 */
f3a75078 1648static void nfs_pwrite_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1649{
1650 struct nfs_cb_data *data = private_data;
1651 struct nfs_context *nfs = data->nfs;
1652 WRITE3res *res;
1653
f3a75078
RS		 1654 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1655
84004dbf
RS		 1656 if (status == RPC_STATUS_ERROR) {
1657 data->cb(-EFAULT, nfs, command_data, data->private_data);
1658 free_nfs_cb_data(data);
1659 return;
1660 }
1661 if (status == RPC_STATUS_CANCEL) {
1662 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1663 free_nfs_cb_data(data);
1664 return;
1665 }
1666
1667 res = command_data;
1668 if (res->status != NFS3_OK) {
1669 rpc_set_error(nfs->rpc, "NFS: Write failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1670 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1671 free_nfs_cb_data(data);
1672 return;
1673 }
1674
1675 data->nfsfh->offset += res->WRITE3res_u.resok.count;
1676 data->cb(res->WRITE3res_u.resok.count, nfs, NULL, data->private_data);
1677 free_nfs_cb_data(data);
1678}
1679
f3a75078 1680static void nfs_pwrite_mcb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
18c27b73
RS		 1681{
1682 struct nfs_mcb_data *mdata = private_data;
1683 struct nfs_cb_data *data = mdata->data;
1684 struct nfs_context *nfs = data->nfs;
1685 WRITE3res *res;
1686
f3a75078
RS		 1687 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1688
18c27b73
RS		 1689 data->num_calls--;
1690
1691 if (status == RPC_STATUS_ERROR) {
1692 /* flag the failure but do not invoke callback until we have received all responses */
1693 data->error = 1;
1694 }
1695 if (status == RPC_STATUS_CANCEL) {
1696 /* flag the cancellation but do not invoke callback until we have received all responses */
1697 data->cancel = 1;
1698 }
1699
1700 if (status == RPC_STATUS_SUCCESS) {
1701 res = command_data;
1702 if (res->status != NFS3_OK) {
1703 rpc_set_error(nfs->rpc, "NFS: Write failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1704 data->error = 1;
1705 } else {
1706 if (res->WRITE3res_u.resok.count > 0) {
1707 if ((unsigned)data->max_offset < mdata->offset + res->WRITE3res_u.resok.count) {
1708 data->max_offset = mdata->offset + res->WRITE3res_u.resok.count;
1709 }
1710 }
1711 }
1712 }
1713
1714 if (data->num_calls > 0) {
1715 /* still waiting for more replies */
1716 free(mdata);
1717 return;
1718 }
1719
1720 if (data->error != 0) {
1721 data->cb(-EFAULT, nfs, command_data, data->private_data);
1722 free_nfs_cb_data(data);
1723 free(mdata);
1724 return;
1725 }
1726 if (data->cancel != 0) {
1727 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1728 free_nfs_cb_data(data);
1729 free(mdata);
1730 return;
1731 }
1732
1733 data->nfsfh->offset = data->max_offset;
1734 data->cb(data->max_offset - data->start_offset, nfs, NULL, data->private_data);
1735
1736 free_nfs_cb_data(data);
1737 free(mdata);
1738}
1739
1740
183451cf 1741int 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		 1742{
1743 struct nfs_cb_data *data;
1744
1745 data = malloc(sizeof(struct nfs_cb_data));
1746 if (data == NULL) {
1747 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1748 return -1;
1749 }
ea98629a 1750 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1751 data->nfs = nfs;
1752 data->cb = cb;
1753 data->private_data = private_data;
1754 data->nfsfh = nfsfh;
1755
1756 nfsfh->offset = offset;
18c27b73
RS		 1757
1758 if (count <= nfs_get_writemax(nfs)) {
463d59bf
RS		 1759 WRITE3args args;
1760
1761 memset(&args, 0, sizeof(WRITE3args));
2452c57f 1762 args.file = nfsfh->fh;
463d59bf
RS		 1763 args.offset = offset;
1764 args.count = count;
1765 args.stable = nfsfh->is_sync?FILE_SYNC:UNSTABLE;
1766 args.data.data_len = count;
1767 args.data.data_val = buf;
1768
1769 if (rpc_nfs3_write_async(nfs->rpc, nfs_pwrite_cb, &args, data) != 0) {
18c27b73
RS		 1770 rpc_set_error(nfs->rpc, "RPC error: Failed to send WRITE call for %s", data->path);
1771 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1772 free_nfs_cb_data(data);
1773 return -1;
1774 }
1775 return 0;
84004dbf 1776 }
18c27b73
RS		 1777
1778 /* trying to write more than maximum server write size, we has to chop it up into smaller
1779 * chunks.
cd67ec7d 1780 * we send all writes in parallel so that performance is still good.
18c27b73
RS		 1781 */
1782 data->max_offset = offset;
1783 data->start_offset = offset;
1784
1785 while (count > 0) {
183451cf 1786 uint64_t writecount = count;
18c27b73 1787 struct nfs_mcb_data *mdata;
463d59bf 1788 WRITE3args args;
18c27b73
RS		 1789
1790 if (writecount > nfs_get_writemax(nfs)) {
1791 writecount = nfs_get_writemax(nfs);
1792 }
1793
1794 mdata = malloc(sizeof(struct nfs_mcb_data));
1795 if (mdata == NULL) {
1796 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_mcb_data structure");
1797 return -1;
1798 }
1799 memset(mdata, 0, sizeof(struct nfs_mcb_data));
1800 mdata->data = data;
1801 mdata->offset = offset;
1802 mdata->count = writecount;
1803
463d59bf 1804 memset(&args, 0, sizeof(WRITE3args));
2452c57f 1805 args.file = nfsfh->fh;
463d59bf
RS		 1806 args.offset = offset;
1807 args.count = writecount;
1808 args.stable = nfsfh->is_sync?FILE_SYNC:UNSTABLE;
1809 args.data.data_len = writecount;
1810 args.data.data_val = &buf[offset - data->start_offset];
1811
1812 if (rpc_nfs3_write_async(nfs->rpc, nfs_pwrite_mcb, &args, mdata) != 0) {
18c27b73
RS		 1813 rpc_set_error(nfs->rpc, "RPC error: Failed to send WRITE call for %s", data->path);
1814 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1815 free(mdata);
1816 return -1;
1817 }
1818
1819 count -= writecount;
1820 offset += writecount;
1821 data->num_calls++;
1822 }
1823
84004dbf
RS		 1824 return 0;
1825}
1826
1827/*
1828 * Async write()
1829 */
183451cf 1830int nfs_write_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t count, char *buf, nfs_cb cb, void *private_data)
84004dbf
RS		 1831{
1832 return nfs_pwrite_async(nfs, nfsfh, nfsfh->offset, count, buf, cb, private_data);
1833}
1834
1835
1836
1837
1838/*
1839 * close
1840 */
4b1ae88a 1841
84004dbf
RS		 1842int nfs_close_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data)
1843{
1844 if (nfsfh->fh.data.data_val != NULL){
1845 free(nfsfh->fh.data.data_val);
1846 nfsfh->fh.data.data_val = NULL;
1847 }
1848 free(nfsfh);
1849
1850 cb(0, nfs, NULL, private_data);
1851 return 0;
1852};
1853
1854
1855
1856
1857
1858/*
1859 * Async fstat()
1860 */
1861int nfs_fstat_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data)
1862{
1863 struct nfs_cb_data *data;
463d59bf 1864 struct GETATTR3args args;
84004dbf
RS		 1865
1866 data = malloc(sizeof(struct nfs_cb_data));
1867 if (data == NULL) {
1868 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1869 return -1;
1870 }
ea98629a 1871 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1872 data->nfs = nfs;
1873 data->cb = cb;
1874 data->private_data = private_data;
1875
463d59bf 1876 memset(&args, 0, sizeof(GETATTR3args));
2452c57f 1877 args.object = nfsfh->fh;
463d59bf
RS		 1878
1879 if (rpc_nfs3_getattr_async(nfs->rpc, nfs_stat_1_cb, &args, data) != 0) {
84004dbf
RS		 1880 rpc_set_error(nfs->rpc, "RPC error: Failed to send STAT GETATTR call for %s", data->path);
1881 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1882 free_nfs_cb_data(data);
1883 return -1;
1884 }
1885 return 0;
1886}
1887
1888
1889
1890/*
1891 * Async fsync()
1892 */
f3a75078 1893static void nfs_fsync_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1894{
1895 struct nfs_cb_data *data = private_data;
1896 struct nfs_context *nfs = data->nfs;
1897 COMMIT3res *res;
1898
f3a75078
RS		 1899 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1900
84004dbf
RS		 1901 if (status == RPC_STATUS_ERROR) {
1902 data->cb(-EFAULT, nfs, command_data, data->private_data);
1903 free_nfs_cb_data(data);
1904 return;
1905 }
1906 if (status == RPC_STATUS_CANCEL) {
1907 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1908 free_nfs_cb_data(data);
1909 return;
1910 }
1911
1912 res = command_data;
1913 if (res->status != NFS3_OK) {
1914 rpc_set_error(nfs->rpc, "NFS: Commit failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1915 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1916 free_nfs_cb_data(data);
1917 return;
1918 }
1919
1920 data->cb(0, nfs, NULL, data->private_data);
1921 free_nfs_cb_data(data);
1922}
1923
1924int nfs_fsync_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data)
1925{
1926 struct nfs_cb_data *data;
1a5636ff 1927 struct COMMIT3args args;
84004dbf
RS		 1928
1929 data = malloc(sizeof(struct nfs_cb_data));
1930 if (data == NULL) {
1931 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1932 return -1;
1933 }
ea98629a 1934 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1935 data->nfs = nfs;
1936 data->cb = cb;
1937 data->private_data = private_data;
1938
1a5636ff
RS		 1939 args.file = nfsfh->fh;
1940 args.offset = 0;
1941 args.count = 0;
1942 if (rpc_nfs3_commit_async(nfs->rpc, nfs_fsync_cb, &args, data) != 0) {
84004dbf
RS		 1943 rpc_set_error(nfs->rpc, "RPC error: Failed to send COMMIT call for %s", data->path);
1944 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1945 free_nfs_cb_data(data);
1946 return -1;
1947 }
1948 return 0;
1949}
1950
1951
1952
1953
1954/*
1955 * Async ftruncate()
1956 */
f3a75078 1957static void nfs_ftruncate_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1958{
1959 struct nfs_cb_data *data = private_data;
1960 struct nfs_context *nfs = data->nfs;
1961 SETATTR3res *res;
1962
f3a75078
RS		 1963 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1964
84004dbf
RS		 1965 if (status == RPC_STATUS_ERROR) {
1966 data->cb(-EFAULT, nfs, command_data, data->private_data);
1967 free_nfs_cb_data(data);
1968 return;
1969 }
1970 if (status == RPC_STATUS_CANCEL) {
1971 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1972 free_nfs_cb_data(data);
1973 return;
1974 }
1975
1976 res = command_data;
1977 if (res->status != NFS3_OK) {
1978 rpc_set_error(nfs->rpc, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1979 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1980 free_nfs_cb_data(data);
1981 return;
1982 }
1983
1984 data->cb(0, nfs, NULL, data->private_data);
1985 free_nfs_cb_data(data);
1986}
1987
183451cf 1988int nfs_ftruncate_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t length, nfs_cb cb, void *private_data)
84004dbf
RS		 1989{
1990 struct nfs_cb_data *data;
1991 SETATTR3args args;
1992
1993 data = malloc(sizeof(struct nfs_cb_data));
1994 if (data == NULL) {
1995 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1996 return -1;
1997 }
ea98629a 1998 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1999 data->nfs = nfs;
2000 data->cb = cb;
2001 data->private_data = private_data;
2002
ea98629a 2003 memset(&args, 0, sizeof(SETATTR3args));
2452c57f 2004 args.object = nfsfh->fh;
84004dbf
RS		 2005 args.new_attributes.size.set_it = 1;
2006 args.new_attributes.size.set_size3_u.size = length;
2007
b701254d 2008 if (rpc_nfs3_setattr_async(nfs->rpc, nfs_ftruncate_cb, &args, data) != 0) {
84004dbf
RS		 2009 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
2010 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2011 free_nfs_cb_data(data);
2012 return -1;
2013 }
2014 return 0;
2015}
2016
2017
2018/*
2019 * Async truncate()
2020 */
2021static int nfs_truncate_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2022{
183451cf 2023 uint64_t offset = data->continue_int;
84004dbf
RS		 2024 struct nfsfh nfsfh;
2025
2452c57f 2026 nfsfh.fh = data->fh;
84004dbf
RS		 2027
2028 if (nfs_ftruncate_async(nfs, &nfsfh, offset, data->cb, data->private_data) != 0) {
2029 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
2030 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2031 free_nfs_cb_data(data);
2032 return -1;
2033 }
2034 free_nfs_cb_data(data);
2035 return 0;
2036}
2037
183451cf 2038int nfs_truncate_async(struct nfs_context *nfs, const char *path, uint64_t length, nfs_cb cb, void *private_data)
84004dbf 2039{
183451cf 2040 uint64_t offset;
84004dbf
RS		 2041
2042 offset = length;
2043
2044 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_truncate_continue_internal, NULL, NULL, offset) != 0) {
cbbf9d3e
RS		 2045 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2046 return -1;
84004dbf
RS		 2047 }
2048
2049 return 0;
2050}
2051
2052
2053
2054
2055/*
2056 * Async mkdir()
2057 */
f3a75078 2058static void nfs_mkdir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2059{
2060 MKDIR3res *res;
2061 struct nfs_cb_data *data = private_data;
2062 struct nfs_context *nfs = data->nfs;
2063 char *str = data->continue_data;
4b1ae88a 2064
f3a75078
RS		 2065 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2066
84004dbf
RS		 2067 str = &str[strlen(str) + 1];
2068
2069 if (status == RPC_STATUS_ERROR) {
2070 data->cb(-EFAULT, nfs, command_data, data->private_data);
2071 free_nfs_cb_data(data);
2072 return;
2073 }
2074 if (status == RPC_STATUS_CANCEL) {
2075 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2076 free_nfs_cb_data(data);
2077 return;
2078 }
2079
2080 res = command_data;
2081 if (res->status != NFS3_OK) {
2082 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));
2083 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2084 free_nfs_cb_data(data);
2085 return;
2086 }
2087
2088 data->cb(0, nfs, NULL, data->private_data);
2089 free_nfs_cb_data(data);
2090}
2091
2092static int nfs_mkdir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2093{
2094 char *str = data->continue_data;
7edc9026
RS		 2095 MKDIR3args args;
2096
84004dbf
RS		 2097 str = &str[strlen(str) + 1];
2098
7edc9026 2099 memset(&args, 0, sizeof(MKDIR3args));
2452c57f 2100 args.where.dir = data->fh;
7edc9026
RS		 2101 args.where.name = str;
2102 args.attributes.mode.set_it = 1;
2103 args.attributes.mode.set_mode3_u.mode = 0755;
2104
acabd6bf 2105 if (rpc_nfs3_mkdir_async(nfs->rpc, nfs_mkdir_cb, &args, data) != 0) {
84004dbf
RS		 2106 rpc_set_error(nfs->rpc, "RPC error: Failed to send MKDIR call for %s", data->path);
2107 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2108 free_nfs_cb_data(data);
2109 return -1;
2110 }
2111 return 0;
2112}
2113
2114int nfs_mkdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
2115{
2116 char *new_path;
2117 char *ptr;
2118
2119 new_path = strdup(path);
2120 if (new_path == NULL) {
cbbf9d3e 2121 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 2122 return -1;
2123 }
2124
93e9306f 2125 ptr = strrchr(new_path, '/');
84004dbf 2126 if (ptr == NULL) {
b1a197f5 2127 free(new_path);
cbbf9d3e
RS		 2128 rpc_set_error(nfs->rpc, "Invalid path %s", path);
2129 return -1;
84004dbf
RS		 2130 }
2131 *ptr = 0;
2132
2133 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2134 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_mkdir_continue_internal, new_path, free, 0) != 0) {
cbbf9d3e
RS		 2135 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path component");
2136 return -1;
84004dbf
RS		 2137 }
2138
2139 return 0;
2140}
2141
2142
2143
2144
2145
2146/*
2147 * Async rmdir()
2148 */
f3a75078 2149static void nfs_rmdir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2150{
2151 RMDIR3res *res;
2152 struct nfs_cb_data *data = private_data;
2153 struct nfs_context *nfs = data->nfs;
2154 char *str = data->continue_data;
4b1ae88a 2155
f3a75078
RS		 2156 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2157
84004dbf
RS		 2158 str = &str[strlen(str) + 1];
2159
2160 if (status == RPC_STATUS_ERROR) {
2161 data->cb(-EFAULT, nfs, command_data, data->private_data);
2162 free_nfs_cb_data(data);
2163 return;
2164 }
2165 if (status == RPC_STATUS_CANCEL) {
2166 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2167 free_nfs_cb_data(data);
2168 return;
2169 }
2170
2171 res = command_data;
2172 if (res->status != NFS3_OK) {
2173 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));
2174 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2175 free_nfs_cb_data(data);
2176 return;
2177 }
2178
2179 data->cb(0, nfs, NULL, data->private_data);
2180 free_nfs_cb_data(data);
2181}
2182
2183static int nfs_rmdir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2184{
2185 char *str = data->continue_data;
bf817ee6
RS		 2186 RMDIR3args args;
2187
84004dbf
RS		 2188 str = &str[strlen(str) + 1];
2189
bf817ee6
RS		 2190 args.object.dir = data->fh;
2191 args.object.name = str;
2192 if (rpc_nfs3_rmdir_async(nfs->rpc, nfs_rmdir_cb, &args, data) != 0) {
84004dbf
RS		 2193 rpc_set_error(nfs->rpc, "RPC error: Failed to send RMDIR call for %s", data->path);
2194 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2195 free_nfs_cb_data(data);
2196 return -1;
2197 }
2198 return 0;
2199}
2200
2201int nfs_rmdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
2202{
2203 char *new_path;
2204 char *ptr;
2205
2206 new_path = strdup(path);
2207 if (new_path == NULL) {
cbbf9d3e 2208 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 2209 return -1;
2210 }
2211
93e9306f 2212 ptr = strrchr(new_path, '/');
84004dbf 2213 if (ptr == NULL) {
cbbf9d3e
RS		 2214 rpc_set_error(nfs->rpc, "Invalid path %s", path);
2215 return -1;
84004dbf
RS		 2216 }
2217 *ptr = 0;
2218
2219 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2220 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_rmdir_continue_internal, new_path, free, 0) != 0) {
cbbf9d3e
RS		 2221 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2222 return -1;
84004dbf
RS		 2223 }
2224
2225 return 0;
2226}
2227
2228
2229
2230
2231/*
2232 * Async creat()
2233 */
f3a75078 2234static void nfs_create_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2235{
2236 LOOKUP3res *res;
2237 struct nfs_cb_data *data = private_data;
2238 struct nfs_context *nfs = data->nfs;
2239 struct nfsfh *nfsfh;
2240 char *str = data->continue_data;
2241
f3a75078
RS		 2242 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2243
84004dbf
RS		 2244 if (status == RPC_STATUS_ERROR) {
2245 data->cb(-EFAULT, nfs, command_data, data->private_data);
2246 free_nfs_cb_data(data);
2247 return;
2248 }
2249 if (status == RPC_STATUS_CANCEL) {
2250 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2251 free_nfs_cb_data(data);
2252 return;
2253 }
2254
2255 str = &str[strlen(str) + 1];
2256 res = command_data;
2257 if (res->status != NFS3_OK) {
2258 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));
2259 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2260
2261 return;
2262 }
2263
2264 nfsfh = malloc(sizeof(struct nfsfh));
2265 if (nfsfh == NULL) {
2266 rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure");
2267 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2268 free_nfs_cb_data(data);
2269 return;
2270 }
ea98629a 2271 memset(nfsfh, 0, sizeof(struct nfsfh));
84004dbf 2272
0c1a9d7a
RS		 2273 /* copy the filehandle */
2274 nfsfh->fh.data.data_len = res->LOOKUP3res_u.resok.object.data.data_len;
2275 nfsfh->fh.data.data_val = malloc(nfsfh->fh.data.data_len);
2276 memcpy(nfsfh->fh.data.data_val, res->LOOKUP3res_u.resok.object.data.data_val, nfsfh->fh.data.data_len);
84004dbf
RS		 2277
2278 data->cb(0, nfs, nfsfh, data->private_data);
2279 free_nfs_cb_data(data);
2280}
2281
2282
2283
f3a75078 2284static void nfs_creat_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2285{
2286 CREATE3res *res;
2287 struct nfs_cb_data *data = private_data;
2288 struct nfs_context *nfs = data->nfs;
2289 char *str = data->continue_data;
463d59bf 2290 LOOKUP3args args;
84004dbf 2291
f3a75078
RS		 2292 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2293
84004dbf
RS		 2294 if (status == RPC_STATUS_ERROR) {
2295 data->cb(-EFAULT, nfs, command_data, data->private_data);
2296 free_nfs_cb_data(data);
2297 return;
2298 }
2299 if (status == RPC_STATUS_CANCEL) {
2300 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2301 free_nfs_cb_data(data);
2302 return;
2303 }
2304
2305 str = &str[strlen(str) + 1];
2306 res = command_data;
2307 if (res->status != NFS3_OK) {
2308 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));
2309 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
fadbf8cf 2310 free_nfs_cb_data(data);
84004dbf
RS		 2311 return;
2312 }
2313
463d59bf 2314 memset(&args, 0, sizeof(LOOKUP3args));
2452c57f
RS		 2315 args.what.dir = data->fh;
2316 args.what.name = str;
463d59bf
RS		 2317
2318 if (rpc_nfs3_lookup_async(nfs->rpc, nfs_create_2_cb, &args, data) != 0) {
84004dbf
RS		 2319 rpc_set_error(nfs->rpc, "RPC error: Failed to send lookup call for %s/%s", data->saved_path, str);
2320 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2321 free_nfs_cb_data(data);
2322 return;
2323 }
2324 return;
2325}
2326
2327static int nfs_creat_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2328{
2329 char *str = data->continue_data;
c985c015
RS		 2330 CREATE3args args;
2331
84004dbf
RS		 2332 str = &str[strlen(str) + 1];
2333
c985c015 2334 memset(&args, 0, sizeof(CREATE3args));
2452c57f 2335 args.where.dir = data->fh;
c985c015
RS		 2336 args.where.name = str;
2337 args.how.mode = UNCHECKED;
2338 args.how.createhow3_u.obj_attributes.mode.set_it = 1;
2339 args.how.createhow3_u.obj_attributes.mode.set_mode3_u.mode = data->continue_int;
2340
789c3f12 2341 if (rpc_nfs3_create_async(nfs->rpc, nfs_creat_1_cb, &args, data) != 0) {
84004dbf
RS		 2342 rpc_set_error(nfs->rpc, "RPC error: Failed to send CREATE call for %s/%s", data->path, str);
2343 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2344 free_nfs_cb_data(data);
2345 return -1;
2346 }
2347 return 0;
2348}
2349
2350int nfs_creat_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data)
2351{
2352 char *new_path;
2353 char *ptr;
2354
2355 new_path = strdup(path);
2356 if (new_path == NULL) {
cbbf9d3e 2357 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 2358 return -1;
2359 }
2360
93e9306f 2361 ptr = strrchr(new_path, '/');
84004dbf 2362 if (ptr == NULL) {
cbbf9d3e 2363 rpc_set_error(nfs->rpc, "Invalid path %s", path);
a1287496 2364 free(new_path);
cbbf9d3e 2365 return -1;
84004dbf
RS		 2366 }
2367 *ptr = 0;
2368
73f4ae7c 2369 /* new_path now points to the parent directory, and beyond the nul terminator is the new directory to create */
84004dbf 2370 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_creat_continue_internal, new_path, free, mode) != 0) {
cbbf9d3e
RS		 2371 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2372 return -1;
84004dbf
RS		 2373 }
2374
2375 return 0;
2376}
2377
2378
2379
2380
2381/*
2382 * Async unlink()
2383 */
f3a75078 2384static void nfs_unlink_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2385{
2386 REMOVE3res *res;
2387 struct nfs_cb_data *data = private_data;
2388 struct nfs_context *nfs = data->nfs;
2389 char *str = data->continue_data;
4b1ae88a 2390
f3a75078
RS		 2391 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2392
84004dbf
RS		 2393 str = &str[strlen(str) + 1];
2394
2395 if (status == RPC_STATUS_ERROR) {
2396 data->cb(-EFAULT, nfs, command_data, data->private_data);
2397 free_nfs_cb_data(data);
2398 return;
2399 }
2400 if (status == RPC_STATUS_CANCEL) {
2401 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2402 free_nfs_cb_data(data);
2403 return;
2404 }
2405
2406 res = command_data;
2407 if (res->status != NFS3_OK) {
2408 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));
2409 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2410 free_nfs_cb_data(data);
2411 return;
2412 }
2413
2414 data->cb(0, nfs, NULL, data->private_data);
2415 free_nfs_cb_data(data);
2416}
2417
2418static int nfs_unlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2419{
2420 char *str = data->continue_data;
a0a5aa26
RS		 2421 struct REMOVE3args args;
2422
84004dbf
RS		 2423 str = &str[strlen(str) + 1];
2424
a0a5aa26
RS		 2425 args.object.dir = data->fh;
2426 args.object.name = str;
2427 if (rpc_nfs3_remove_async(nfs->rpc, nfs_unlink_cb, &args, data) != 0) {
84004dbf
RS		 2428 rpc_set_error(nfs->rpc, "RPC error: Failed to send REMOVE call for %s", data->path);
2429 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2430 free_nfs_cb_data(data);
2431 return -1;
2432 }
2433 return 0;
2434}
2435
2436int nfs_unlink_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
2437{
2438 char *new_path;
2439 char *ptr;
2440
2441 new_path = strdup(path);
2442 if (new_path == NULL) {
cbbf9d3e 2443 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 2444 return -1;
2445 }
2446
93e9306f 2447 ptr = strrchr(new_path, '/');
84004dbf 2448 if (ptr == NULL) {
cbbf9d3e
RS		 2449 rpc_set_error(nfs->rpc, "Invalid path %s", path);
2450 return -1;
84004dbf
RS		 2451 }
2452 *ptr = 0;
2453
2454 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2455 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_unlink_continue_internal, new_path, free, 0) != 0) {
cbbf9d3e
RS		 2456 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2457 return -1;
84004dbf
RS		 2458 }
2459
2460 return 0;
2461}
2462
2463
1ec6b50a
RS		 2464/*
2465 * Async mknod()
2466 */
2467struct mknod_cb_data {
2468 char *path;
2469 int mode;
2470 int major;
2471 int minor;
2472};
2473
2474static void free_mknod_cb_data(void *ptr)
2475{
2476 struct mknod_cb_data *data = ptr;
2477
2478 free(data->path);
2479 free(data);
2480}
2481
f3a75078 2482static void nfs_mknod_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
1ec6b50a
RS		 2483{
2484 MKNOD3res *res;
2485 struct nfs_cb_data *data = private_data;
2486 struct nfs_context *nfs = data->nfs;
2487 char *str = data->continue_data;
4b1ae88a 2488
f3a75078
RS		 2489 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2490
1ec6b50a
RS		 2491 str = &str[strlen(str) + 1];
2492
2493 if (status == RPC_STATUS_ERROR) {
2494 data->cb(-EFAULT, nfs, command_data, data->private_data);
2495 free_nfs_cb_data(data);
2496 return;
2497 }
2498 if (status == RPC_STATUS_CANCEL) {
2499 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2500 free_nfs_cb_data(data);
2501 return;
2502 }
2503
2504 res = command_data;
2505 if (res->status != NFS3_OK) {
2506 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));
2507 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2508 free_nfs_cb_data(data);
2509 return;
2510 }
2511
2512 data->cb(0, nfs, NULL, data->private_data);
2513 free_nfs_cb_data(data);
2514}
2515
2516static int nfs_mknod_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2517{
2518 struct mknod_cb_data *cb_data = data->continue_data;
2519 char *str = cb_data->path;
b17cb0a2 2520 MKNOD3args args;
4b1ae88a 2521
1ec6b50a
RS		 2522 str = &str[strlen(str) + 1];
2523
b17cb0a2
RS		 2524 args.where.dir = data->fh;
2525 args.where.name = str;
2526 switch (cb_data->mode & S_IFMT) {
2527 case S_IFCHR:
2528 args.what.type = NF3CHR;
2529 args.what.mknoddata3_u.chr_device.dev_attributes.mode.set_it = 1;
2530 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);
2531 args.what.mknoddata3_u.chr_device.spec.specdata1 = cb_data->major;
2532 args.what.mknoddata3_u.chr_device.spec.specdata2 = cb_data->minor;
2533 break;
2534 case S_IFBLK:
2535 args.what.type = NF3BLK;
2536 args.what.mknoddata3_u.blk_device.dev_attributes.mode.set_it = 1;
2537 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);
2538 args.what.mknoddata3_u.blk_device.spec.specdata1 = cb_data->major;
2539 args.what.mknoddata3_u.blk_device.spec.specdata2 = cb_data->minor;
2540 case S_IFSOCK:
2541 args.what.type = NF3SOCK;
2542 args.what.mknoddata3_u.sock_attributes.mode.set_it = 1;
2543 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);
2544 break;
2545 case S_IFIFO:
2546 args.what.type = NF3FIFO;
2547 args.what.mknoddata3_u.pipe_attributes.mode.set_it = 1;
2548 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);
2549 break;
2550 default:
2551 rpc_set_error(nfs->rpc, "Invalid file type for NFS3/MKNOD call");
2552 data->cb(-EINVAL, nfs, rpc_get_error(nfs->rpc), data->private_data);
2553 free_nfs_cb_data(data);
2554 return -1;
2555 }
2556
2557 if (rpc_nfs3_mknod_async(nfs->rpc, nfs_mknod_cb, &args, data) != 0) {
1ec6b50a
RS		 2558 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2559 free_nfs_cb_data(data);
2560 return -1;
2561 }
2562 return 0;
2563}
2564
2565int nfs_mknod_async(struct nfs_context *nfs, const char *path, int mode, int dev, nfs_cb cb, void *private_data)
2566{
2567 char *ptr;
2568 struct mknod_cb_data *cb_data;
2569
2570 cb_data = malloc(sizeof(struct mknod_cb_data));
2571 if (cb_data == NULL) {
2572 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for cb data");
2573 return -1;
2574 }
2575
2576 cb_data->path = strdup(path);
2577 if (cb_data->path == NULL) {
2578 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
4b1ae88a 2579 free(cb_data);
1ec6b50a
RS		 2580 return -1;
2581 }
2582
2583 ptr = strrchr(cb_data->path, '/');
2584 if (ptr == NULL) {
2585 rpc_set_error(nfs->rpc, "Invalid path %s", path);
feb2fc2f 2586 free_mknod_cb_data(cb_data);
1ec6b50a
RS		 2587 return -1;
2588 }
2589 *ptr = 0;
2590
2591 cb_data->mode = mode;
2592 cb_data->major = major(dev);
2593 cb_data->minor = minor(dev);
2594
2595 /* data->path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2596 if (nfs_lookuppath_async(nfs, cb_data->path, cb, private_data, nfs_mknod_continue_internal, cb_data, free_mknod_cb_data, 0) != 0) {
2597 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
1ec6b50a
RS		 2598 return -1;
2599 }
2600
2601 return 0;
2602}
84004dbf 2603
84004dbf
RS		 2604/*
2605 * Async opendir()
2606 */
fb69c64c
RS		 2607
2608/* ReadDirPlus Emulation Callback data */
2609struct rdpe_cb_data {
2610 int getattrcount;
2611 int status;
2612 struct nfs_cb_data *data;
2613};
2614
2615/* ReadDirPlus Emulation LOOKUP Callback data */
2616struct rdpe_lookup_cb_data {
2617 struct rdpe_cb_data *rdpe_cb_data;
2618 struct nfsdirent *nfsdirent;
2619};
2620
2621/* Workaround for servers lacking READDIRPLUS, use READDIR instead and a GETATTR-loop */
f3a75078 2622static void nfs_opendir3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf 2623{
fb69c64c
RS		 2624 LOOKUP3res *res = command_data;
2625 struct rdpe_lookup_cb_data *rdpe_lookup_cb_data = private_data;
2626 struct rdpe_cb_data *rdpe_cb_data = rdpe_lookup_cb_data->rdpe_cb_data;
2627 struct nfs_cb_data *data = rdpe_cb_data->data;
2628 struct nfsdir *nfsdir = data->continue_data;
2629 struct nfs_context *nfs = data->nfs;
2630 struct nfsdirent *nfsdirent = rdpe_lookup_cb_data->nfsdirent;
2631
f3a75078
RS		 2632 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2633
fb69c64c
RS		 2634 free(rdpe_lookup_cb_data);
2635
2636 rdpe_cb_data->getattrcount--;
2637
2638 if (status == RPC_STATUS_ERROR) {
2639 rdpe_cb_data->status = RPC_STATUS_ERROR;
2640 }
2641 if (status == RPC_STATUS_CANCEL) {
2642 rdpe_cb_data->status = RPC_STATUS_CANCEL;
2643 }
2644 if (status == RPC_STATUS_SUCCESS && res->status != NFS3_OK) {
2645 rdpe_cb_data->status = RPC_STATUS_ERROR;
2646 }
2647 if (status == RPC_STATUS_SUCCESS && res->status == NFS3_OK) {
2648 if (res->LOOKUP3res_u.resok.obj_attributes.attributes_follow) {
2649 fattr3 *attributes = &res->LOOKUP3res_u.resok.obj_attributes.post_op_attr_u.attributes;
2650
2651 nfsdirent->type = attributes->type;
2652 nfsdirent->mode = attributes->mode;
2653 nfsdirent->size = attributes->size;
2654
2655 nfsdirent->atime.tv_sec = attributes->atime.seconds;
2656 nfsdirent->atime.tv_usec = attributes->atime.nseconds/1000;
2657 nfsdirent->mtime.tv_sec = attributes->mtime.seconds;
2658 nfsdirent->mtime.tv_usec = attributes->mtime.nseconds/1000;
2659 nfsdirent->ctime.tv_sec = attributes->ctime.seconds;
2660 nfsdirent->ctime.tv_usec = attributes->ctime.nseconds/1000;
7bda8bad
RS		 2661 nfsdirent->uid = attributes->uid;
2662 nfsdirent->gid = attributes->gid;
fb69c64c
RS		 2663 }
2664 }
2665
2666 if (rdpe_cb_data->getattrcount == 0) {
2667 if (rdpe_cb_data->status != RPC_STATUS_SUCCESS) {
2668 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2669 nfs_free_nfsdir(nfsdir);
2670 } else {
2671 data->cb(0, nfs, nfsdir, data->private_data);
2672 }
2673 free(rdpe_cb_data);
2674
2675 data->continue_data = NULL;
2676 free_nfs_cb_data(data);
2677 }
2678}
2679
f3a75078 2680static void nfs_opendir2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
fb69c64c
RS		 2681{
2682 READDIR3res *res = command_data;
84004dbf
RS		 2683 struct nfs_cb_data *data = private_data;
2684 struct nfs_context *nfs = data->nfs;
fb6510bb 2685 struct nfsdir *nfsdir = data->continue_data;
fb69c64c
RS		 2686 struct nfsdirent *nfsdirent;
2687 struct entry3 *entry;
ecbd14a1 2688 uint64_t cookie = 0;
fb69c64c 2689 struct rdpe_cb_data *rdpe_cb_data;
4b1ae88a 2690
f3a75078
RS		 2691 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2692
84004dbf
RS		 2693 if (status == RPC_STATUS_ERROR) {
2694 data->cb(-EFAULT, nfs, command_data, data->private_data);
2695 nfs_free_nfsdir(nfsdir);
2696 data->continue_data = NULL;
2697 free_nfs_cb_data(data);
2698 return;
2699 }
fb69c64c 2700
84004dbf
RS		 2701 if (status == RPC_STATUS_CANCEL) {
2702 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2703 nfs_free_nfsdir(nfsdir);
2704 data->continue_data = NULL;
2705 free_nfs_cb_data(data);
2706 return;
2707 }
2708
84004dbf
RS		 2709 if (res->status != NFS3_OK) {
2710 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));
2711 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2712 nfs_free_nfsdir(nfsdir);
2713 data->continue_data = NULL;
2714 free_nfs_cb_data(data);
2715 return;
fb69c64c
RS		 2716 }
2717
2718 entry =res->READDIR3res_u.resok.reply.entries;
2719 while (entry != NULL) {
2720 nfsdirent = malloc(sizeof(struct nfsdirent));
2721 if (nfsdirent == NULL) {
2722 data->cb(-ENOMEM, nfs, "Failed to allocate dirent", data->private_data);
2723 nfs_free_nfsdir(nfsdir);
2724 data->continue_data = NULL;
2725 free_nfs_cb_data(data);
2726 return;
2727 }
2728 memset(nfsdirent, 0, sizeof(struct nfsdirent));
2729 nfsdirent->name = strdup(entry->name);
2730 if (nfsdirent->name == NULL) {
2731 data->cb(-ENOMEM, nfs, "Failed to allocate dirent->name", data->private_data);
a26bebef 2732 free(nfsdirent);
fb69c64c
RS		 2733 nfs_free_nfsdir(nfsdir);
2734 data->continue_data = NULL;
2735 free_nfs_cb_data(data);
2736 return;
2737 }
2738 nfsdirent->inode = entry->fileid;
2739
2740 nfsdirent->next = nfsdir->entries;
2741 nfsdir->entries = nfsdirent;
2742
2743 cookie = entry->cookie;
2744 entry = entry->nextentry;
2745 }
2746
2747 if (res->READDIR3res_u.resok.reply.eof == 0) {
a64a16a2
RS		 2748 READDIR3args args;
2749
2750 args.dir = data->fh;
2751 args.cookie = cookie;
2452c57f 2752 memcpy(&args.cookieverf, res->READDIR3res_u.resok.cookieverf, sizeof(cookieverf3));
a64a16a2
RS		 2753 args.count = 8192;
2754
2755 if (rpc_nfs3_readdir_async(nfs->rpc, nfs_opendir2_cb, &args, data) != 0) {
fb69c64c
RS		 2756 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR call for %s", data->path);
2757 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2758 nfs_free_nfsdir(nfsdir);
2759 data->continue_data = NULL;
2760 free_nfs_cb_data(data);
2761 return;
2762 }
2763 return;
2764 }
2765
2766 /* steal the dirhandle */
2767 nfsdir->current = nfsdir->entries;
2768
2769 rdpe_cb_data = malloc(sizeof(struct rdpe_cb_data));
2770 rdpe_cb_data->getattrcount = 0;
2771 rdpe_cb_data->status = RPC_STATUS_SUCCESS;
2772 rdpe_cb_data->data = data;
2773 for (nfsdirent = nfsdir->entries; nfsdirent; nfsdirent = nfsdirent->next) {
2774 struct rdpe_lookup_cb_data *rdpe_lookup_cb_data;
463d59bf 2775 LOOKUP3args args;
fb69c64c
RS		 2776
2777 rdpe_lookup_cb_data = malloc(sizeof(struct rdpe_lookup_cb_data));
2778 rdpe_lookup_cb_data->rdpe_cb_data = rdpe_cb_data;
2779 rdpe_lookup_cb_data->nfsdirent = nfsdirent;
2780
463d59bf 2781 memset(&args, 0, sizeof(LOOKUP3args));
2452c57f
RS		 2782 args.what.dir = data->fh;
2783 args.what.name = nfsdirent->name;
463d59bf
RS		 2784
2785 if (rpc_nfs3_lookup_async(nfs->rpc, nfs_opendir3_cb, &args, rdpe_lookup_cb_data) != 0) {
fb69c64c
RS		 2786 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR LOOKUP call");
2787
2788 /* if we have already commands in flight, we cant just stop, we have to wait for the
2789 * commands in flight to complete
2790 */
2791 if (rdpe_cb_data->getattrcount > 0) {
a26bebef
AR		 2792 nfs_free_nfsdir(nfsdir);
2793 data->continue_data = NULL;
2794 free_nfs_cb_data(data);
fb69c64c
RS		 2795 rdpe_cb_data->status = RPC_STATUS_ERROR;
2796 free(rdpe_lookup_cb_data);
2797 return;
2798 }
2799
2800 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2801 nfs_free_nfsdir(nfsdir);
2802 data->continue_data = NULL;
2803 free_nfs_cb_data(data);
2804 free(rdpe_lookup_cb_data);
2805 free(rdpe_cb_data);
2806 return;
2807 }
2808 rdpe_cb_data->getattrcount++;
2809 }
2810}
2811
f3a75078 2812static void nfs_opendir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
fb69c64c
RS		 2813{
2814 READDIRPLUS3res *res = command_data;
2815 struct nfs_cb_data *data = private_data;
2816 struct nfs_context *nfs = data->nfs;
2817 struct nfsdir *nfsdir = data->continue_data;
2818 struct entryplus3 *entry;
ecbd14a1 2819 uint64_t cookie = 0;
4b1ae88a 2820
f3a75078 2821 assert(rpc->magic == RPC_CONTEXT_MAGIC);
fb69c64c
RS		 2822
2823 if (status == RPC_STATUS_ERROR || (status == RPC_STATUS_SUCCESS && res->status == NFS3ERR_NOTSUPP) ){
a64a16a2
RS		 2824 READDIR3args args;
2825
2826 args.dir = data->fh;
2827 args.cookie = cookie;
2452c57f 2828 memset(&args.cookieverf, 0, sizeof(cookieverf3));
a64a16a2 2829 args.count = 8192;
fb69c64c 2830
a64a16a2 2831 if (rpc_nfs3_readdir_async(nfs->rpc, nfs_opendir2_cb, &args, data) != 0) {
fb69c64c
RS		 2832 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR call for %s", data->path);
2833 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2834 nfs_free_nfsdir(nfsdir);
2835 data->continue_data = NULL;
2836 free_nfs_cb_data(data);
2837 return;
2838 }
2839 return;
2840 }
2841
2842 if (status == RPC_STATUS_CANCEL) {
2843 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2844 nfs_free_nfsdir(nfsdir);
2845 data->continue_data = NULL;
2846 free_nfs_cb_data(data);
2847 return;
2848 }
2849
2850 if (res->status != NFS3_OK) {
2851 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));
2852 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2853 nfs_free_nfsdir(nfsdir);
2854 data->continue_data = NULL;
2855 free_nfs_cb_data(data);
2856 return;
84004dbf
RS		 2857 }
2858
f390f181 2859 entry =res->READDIRPLUS3res_u.resok.reply.entries;
84004dbf
RS		 2860 while (entry != NULL) {
2861 struct nfsdirent *nfsdirent;
2862
2863 nfsdirent = malloc(sizeof(struct nfsdirent));
2864 if (nfsdirent == NULL) {
2865 data->cb(-ENOMEM, nfs, "Failed to allocate dirent", data->private_data);
2866 nfs_free_nfsdir(nfsdir);
2867 data->continue_data = NULL;
2868 free_nfs_cb_data(data);
2869 return;
2870 }
ea98629a 2871 memset(nfsdirent, 0, sizeof(struct nfsdirent));
84004dbf
RS		 2872 nfsdirent->name = strdup(entry->name);
2873 if (nfsdirent->name == NULL) {
2874 data->cb(-ENOMEM, nfs, "Failed to allocate dirent->name", data->private_data);
b2fc5c54 2875 free(nfsdirent);
84004dbf
RS		 2876 nfs_free_nfsdir(nfsdir);
2877 data->continue_data = NULL;
2878 free_nfs_cb_data(data);
2879 return;
2880 }
2881 nfsdirent->inode = entry->fileid;
0804e67d
RS		 2882 if (entry->name_attributes.attributes_follow) {
2883 nfsdirent->type = entry->name_attributes.post_op_attr_u.attributes.type;
2884 nfsdirent->mode = entry->name_attributes.post_op_attr_u.attributes.mode;
2885 nfsdirent->size = entry->name_attributes.post_op_attr_u.attributes.size;
2886
2887 nfsdirent->atime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.atime.seconds;
2888 nfsdirent->atime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.atime.nseconds/1000;
2889 nfsdirent->mtime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.mtime.seconds;
2890 nfsdirent->mtime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.mtime.nseconds/1000;
2891 nfsdirent->ctime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.ctime.seconds;
2892 nfsdirent->ctime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.ctime.nseconds/1000;
7bda8bad
RS		 2893 nfsdirent->uid = entry->name_attributes.post_op_attr_u.attributes.uid;
2894 nfsdirent->gid = entry->name_attributes.post_op_attr_u.attributes.gid;
0804e67d
RS		 2895 }
2896
84004dbf
RS		 2897 nfsdirent->next = nfsdir->entries;
2898 nfsdir->entries = nfsdirent;
2899
2900 cookie = entry->cookie;
2901 entry = entry->nextentry;
2902 }
2903
f390f181 2904 if (res->READDIRPLUS3res_u.resok.reply.eof == 0) {
1a5b83c9
RS		 2905 READDIRPLUS3args args;
2906
2907 args.dir = data->fh;
2908 args.cookie = cookie;
2909 memcpy(&args.cookieverf, res->READDIRPLUS3res_u.resok.cookieverf, sizeof(cookieverf3));
2910 args.dircount = 8192;
2911 args.maxcount = 8192;
2912
2913 if (rpc_nfs3_readdirplus_async(nfs->rpc, nfs_opendir_cb, &args, data) != 0) {
f390f181 2914 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIRPLUS call for %s", data->path);
84004dbf
RS		 2915 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2916 nfs_free_nfsdir(nfsdir);
2917 data->continue_data = NULL;
2918 free_nfs_cb_data(data);
2919 return;
2920 }
2921 return;
2922 }
2923
2924 /* steal the dirhandle */
2925 data->continue_data = NULL;
2926 nfsdir->current = nfsdir->entries;
2927
2928 data->cb(0, nfs, nfsdir, data->private_data);
2929 free_nfs_cb_data(data);
2930}
2931
2932static int nfs_opendir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2933{
1a5b83c9 2934 READDIRPLUS3args args;
84004dbf 2935
1a5b83c9
RS		 2936 args.dir = data->fh;
2937 args.cookie = 0;
2938 memset(&args.cookieverf, 0, sizeof(cookieverf3));
2939 args.dircount = 8192;
2940 args.maxcount = 8192;
2941 if (rpc_nfs3_readdirplus_async(nfs->rpc, nfs_opendir_cb, &args, data) != 0) {
f390f181 2942 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIRPLUS call for %s", data->path);
84004dbf
RS		 2943 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2944 free_nfs_cb_data(data);
2945 return -1;
2946 }
2947 return 0;
2948}
2949
2950int nfs_opendir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
2951{
2952 struct nfsdir *nfsdir;
2953
2954 nfsdir = malloc(sizeof(struct nfsdir));
2955 if (nfsdir == NULL) {
cbbf9d3e 2956 rpc_set_error(nfs->rpc, "failed to allocate buffer for nfsdir");
84004dbf
RS		 2957 return -1;
2958 }
ea98629a 2959 memset(nfsdir, 0, sizeof(struct nfsdir));
84004dbf
RS		 2960
2961 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_opendir_continue_internal, nfsdir, free, 0) != 0) {
cbbf9d3e
RS		 2962 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2963 return -1;
84004dbf
RS		 2964 }
2965
2966 return 0;
2967}
2968
2969
2970struct nfsdirent *nfs_readdir(struct nfs_context *nfs _U_, struct nfsdir *nfsdir)
2971{
2972 struct nfsdirent *nfsdirent = nfsdir->current;
2973
2974 if (nfsdir->current != NULL) {
2975 nfsdir->current = nfsdir->current->next;
2976 }
2977 return nfsdirent;
2978}
2979
2980
f893b680
RS		 2981/*
2982 * closedir()
2983 */
84004dbf
RS		 2984void nfs_closedir(struct nfs_context *nfs _U_, struct nfsdir *nfsdir)
2985{
2986 nfs_free_nfsdir(nfsdir);
2987}
2988
2989
f893b680
RS		 2990/*
2991 * getcwd()
2992 */
2993void nfs_getcwd(struct nfs_context *nfs, const char **cwd)
2994{
2995 if (cwd) {
2996 *cwd = nfs->cwd;
2997 }
2998}
84004dbf
RS		 2999
3000
3001/*
3002 * Async lseek()
3003 */
3004struct lseek_cb_data {
3005 struct nfs_context *nfs;
3006 struct nfsfh *nfsfh;
183451cf 3007 uint64_t offset;
84004dbf
RS		 3008 nfs_cb cb;
3009 void *private_data;
3010};
3011
f3a75078 3012static void nfs_lseek_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3013{
3014 GETATTR3res *res;
3015 struct lseek_cb_data *data = private_data;
3016 struct nfs_context *nfs = data->nfs;
3017
f3a75078
RS		 3018 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3019
84004dbf
RS		 3020 if (status == RPC_STATUS_ERROR) {
3021 data->cb(-EFAULT, nfs, command_data, data->private_data);
3022 free(data);
3023 return;
3024 }
3025 if (status == RPC_STATUS_CANCEL) {
3026 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3027 free(data);
3028 return;
3029 }
3030
3031 res = command_data;
3032 if (res->status != NFS3_OK) {
3033 rpc_set_error(nfs->rpc, "NFS: GETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
3034 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3035 free(data);
3036 return;
3037 }
3038
3039 data->nfsfh->offset = data->offset + res->GETATTR3res_u.resok.obj_attributes.size;
3040 data->cb(0, nfs, &data->nfsfh->offset, data->private_data);
3041 free(data);
3042}
3043
183451cf 3044int nfs_lseek_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t offset, int whence, nfs_cb cb, void *private_data)
84004dbf
RS		 3045{
3046 struct lseek_cb_data *data;
463d59bf 3047 struct GETATTR3args args;
84004dbf
RS		 3048
3049 if (whence == SEEK_SET) {
3050 nfsfh->offset = offset;
3051 cb(0, nfs, &nfsfh->offset, private_data);
3052 return 0;
3053 }
3054 if (whence == SEEK_CUR) {
3055 nfsfh->offset += offset;
3056 cb(0, nfs, &nfsfh->offset, private_data);
3057 return 0;
3058 }
3059
3060 data = malloc(sizeof(struct lseek_cb_data));
3061 if (data == NULL) {
3062 rpc_set_error(nfs->rpc, "Out Of Memory: Failed to malloc lseek cb data");
3063 return -1;
3064 }
3065
3066 data->nfs = nfs;
3067 data->nfsfh = nfsfh;
3068 data->offset = offset;
3069 data->cb = cb;
3070 data->private_data = private_data;
3071
463d59bf 3072 memset(&args, 0, sizeof(GETATTR3args));
2452c57f 3073 args.object = nfsfh->fh;
463d59bf
RS		 3074
3075 if (rpc_nfs3_getattr_async(nfs->rpc, nfs_lseek_1_cb, &args, data) != 0) {
84004dbf
RS		 3076 rpc_set_error(nfs->rpc, "RPC error: Failed to send LSEEK GETATTR call");
3077 free(data);
cbbf9d3e 3078 return -1;
84004dbf
RS		 3079 }
3080 return 0;
3081}
3082
3083
3084
3085
3086/*
3087 * Async statvfs()
3088 */
f3a75078 3089static void nfs_statvfs_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3090{
3091 FSSTAT3res *res;
3092 struct nfs_cb_data *data = private_data;
3093 struct nfs_context *nfs = data->nfs;
3094 struct statvfs svfs;
3095
f3a75078
RS		 3096 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3097
84004dbf
RS		 3098 if (status == RPC_STATUS_ERROR) {
3099 data->cb(-EFAULT, nfs, command_data, data->private_data);
3100 free_nfs_cb_data(data);
3101 return;
3102 }
3103 if (status == RPC_STATUS_CANCEL) {
3104 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3105 free_nfs_cb_data(data);
3106 return;
3107 }
3108
3109 res = command_data;
3110 if (res->status != NFS3_OK) {
3111 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));
3112 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3113 free_nfs_cb_data(data);
3114 return;
3115 }
3116
3117 svfs.f_bsize = 4096;
3118 svfs.f_frsize = 4096;
3119 svfs.f_blocks = res->FSSTAT3res_u.resok.tbytes/4096;
3120 svfs.f_bfree = res->FSSTAT3res_u.resok.fbytes/4096;
3121 svfs.f_bavail = res->FSSTAT3res_u.resok.abytes/4096;
3122 svfs.f_files = res->FSSTAT3res_u.resok.tfiles;
3123 svfs.f_ffree = res->FSSTAT3res_u.resok.ffiles;
252aa90d 3124#if !defined(ANDROID)
84004dbf
RS		 3125 svfs.f_favail = res->FSSTAT3res_u.resok.afiles;
3126 svfs.f_fsid = 0;
3127 svfs.f_flag = 0;
3128 svfs.f_namemax = 256;
252aa90d 3129#endif
84004dbf
RS		 3130
3131 data->cb(0, nfs, &svfs, data->private_data);
3132 free_nfs_cb_data(data);
3133}
3134
3135static int nfs_statvfs_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3136{
0249c17b
RS		 3137 FSSTAT3args args;
3138
3139 args.fsroot = data->fh;
3140 if (rpc_nfs3_fsstat_async(nfs->rpc, nfs_statvfs_1_cb, &args, data) != 0) {
84004dbf
RS		 3141 rpc_set_error(nfs->rpc, "RPC error: Failed to send FSSTAT call for %s", data->path);
3142 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3143 free_nfs_cb_data(data);
3144 return -1;
3145 }
3146 return 0;
3147}
3148
3149int nfs_statvfs_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
3150{
3151 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_statvfs_continue_internal, NULL, NULL, 0) != 0) {
cbbf9d3e 3152 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3153 return -1;
3154 }
3155
3156 return 0;
3157}
3158
3159
3160
3161
3162/*
3163 * Async readlink()
3164 */
f3a75078 3165static void nfs_readlink_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3166{
3167 READLINK3res *res;
3168 struct nfs_cb_data *data = private_data;
3169 struct nfs_context *nfs = data->nfs;
3170
f3a75078
RS		 3171 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3172
84004dbf
RS		 3173 if (status == RPC_STATUS_ERROR) {
3174 data->cb(-EFAULT, nfs, command_data, data->private_data);
3175 free_nfs_cb_data(data);
3176 return;
3177 }
3178 if (status == RPC_STATUS_CANCEL) {
3179 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3180 free_nfs_cb_data(data);
3181 return;
3182 }
3183
3184 res = command_data;
3185 if (res->status != NFS3_OK) {
3186 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));
3187 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3188 free_nfs_cb_data(data);
3189 return;
3190 }
3191
4b1ae88a 3192
84004dbf
RS		 3193 data->cb(0, nfs, res->READLINK3res_u.resok.data, data->private_data);
3194 free_nfs_cb_data(data);
3195}
3196
3197static int nfs_readlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3198{
16104b27
RS		 3199 READLINK3args args;
3200
2452c57f 3201 args.symlink = data->fh;
16104b27 3202
7cd23ccc 3203 if (rpc_nfs3_readlink_async(nfs->rpc, nfs_readlink_1_cb, &args, data) != 0) {
84004dbf
RS		 3204 rpc_set_error(nfs->rpc, "RPC error: Failed to send READLINK call for %s", data->path);
3205 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3206 free_nfs_cb_data(data);
3207 return -1;
3208 }
3209 return 0;
3210}
3211
3212int nfs_readlink_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
3213{
3214 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_readlink_continue_internal, NULL, NULL, 0) != 0) {
cbbf9d3e 3215 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3216 return -1;
3217 }
3218
3219 return 0;
3220}
3221
3222
3223
3224
3225/*
3226 * Async chmod()
3227 */
f3a75078 3228static void nfs_chmod_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3229{
3230 struct nfs_cb_data *data = private_data;
3231 struct nfs_context *nfs = data->nfs;
3232 SETATTR3res *res;
3233
f3a75078
RS		 3234 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3235
84004dbf
RS		 3236 if (status == RPC_STATUS_ERROR) {
3237 data->cb(-EFAULT, nfs, command_data, data->private_data);
3238 free_nfs_cb_data(data);
3239 return;
3240 }
3241 if (status == RPC_STATUS_CANCEL) {
3242 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3243 free_nfs_cb_data(data);
3244 return;
3245 }
3246
3247 res = command_data;
3248 if (res->status != NFS3_OK) {
3249 rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
3250 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3251 free_nfs_cb_data(data);
3252 return;
3253 }
3254
3255 data->cb(0, nfs, NULL, data->private_data);
3256 free_nfs_cb_data(data);
3257}
3258
3259static int nfs_chmod_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3260{
3261 SETATTR3args args;
3262
ea98629a 3263 memset(&args, 0, sizeof(SETATTR3args));
2452c57f 3264 args.object = data->fh;
84004dbf
RS		 3265 args.new_attributes.mode.set_it = 1;
3266 args.new_attributes.mode.set_mode3_u.mode = data->continue_int;
3267
b701254d 3268 if (rpc_nfs3_setattr_async(nfs->rpc, nfs_chmod_cb, &args, data) != 0) {
84004dbf
RS		 3269 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
3270 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3271 free_nfs_cb_data(data);
3272 return -1;
3273 }
3274 return 0;
3275}
3276
3277
3278int nfs_chmod_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data)
3279{
3280 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_chmod_continue_internal, NULL, NULL, mode) != 0) {
cbbf9d3e 3281 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3282 return -1;
3283 }
3284
3285 return 0;
3286}
3287
3288/*
3289 * Async fchmod()
3290 */
3291int nfs_fchmod_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int mode, nfs_cb cb, void *private_data)
3292{
3293 struct nfs_cb_data *data;
3294
3295 data = malloc(sizeof(struct nfs_cb_data));
3296 if (data == NULL) {
cbbf9d3e 3297 rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for nfs mount data");
84004dbf
RS		 3298 return -1;
3299 }
ea98629a 3300 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 3301 data->nfs = nfs;
3302 data->cb = cb;
3303 data->private_data = private_data;
3304 data->continue_int = mode;
3305 data->fh.data.data_len = nfsfh->fh.data.data_len;
3306 data->fh.data.data_val = malloc(data->fh.data.data_len);
3307 if (data->fh.data.data_val == NULL) {
3308 rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh");
3309 free_nfs_cb_data(data);
3310 return -1;
3311 }
3312 memcpy(data->fh.data.data_val, nfsfh->fh.data.data_val, data->fh.data.data_len);
3313
3314 if (nfs_chmod_continue_internal(nfs, data) != 0) {
84004dbf
RS		 3315 return -1;
3316 }
3317
3318 return 0;
3319}
3320
3321
3322
3323/*
3324 * Async chown()
3325 */
f3a75078 3326static void nfs_chown_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3327{
3328 struct nfs_cb_data *data = private_data;
3329 struct nfs_context *nfs = data->nfs;
3330 SETATTR3res *res;
3331
f3a75078
RS		 3332 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3333
84004dbf
RS		 3334 if (status == RPC_STATUS_ERROR) {
3335 data->cb(-EFAULT, nfs, command_data, data->private_data);
3336 free_nfs_cb_data(data);
3337 return;
3338 }
3339 if (status == RPC_STATUS_CANCEL) {
3340 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3341 free_nfs_cb_data(data);
3342 return;
3343 }
3344
3345 res = command_data;
3346 if (res->status != NFS3_OK) {
3347 rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
3348 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3349 free_nfs_cb_data(data);
3350 return;
3351 }
3352
3353 data->cb(0, nfs, NULL, data->private_data);
3354 free_nfs_cb_data(data);
3355}
3356
3357struct nfs_chown_data {
3358 uid_t uid;
3359 gid_t gid;
3360};
3361
3362static int nfs_chown_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3363{
3364 SETATTR3args args;
3365 struct nfs_chown_data *chown_data = data->continue_data;
3366
ea98629a 3367 memset(&args, 0, sizeof(SETATTR3args));
2452c57f 3368 args.object = data->fh;
84004dbf
RS		 3369 if (chown_data->uid != (uid_t)-1) {
3370 args.new_attributes.uid.set_it = 1;
3371 args.new_attributes.uid.set_uid3_u.uid = chown_data->uid;
3372 }
3373 if (chown_data->gid != (gid_t)-1) {
3374 args.new_attributes.gid.set_it = 1;
3375 args.new_attributes.gid.set_gid3_u.gid = chown_data->gid;
3376 }
3377
b701254d 3378 if (rpc_nfs3_setattr_async(nfs->rpc, nfs_chown_cb, &args, data) != 0) {
84004dbf
RS		 3379 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
3380 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3381 free_nfs_cb_data(data);
3382 return -1;
3383 }
3384 return 0;
3385}
3386
3387
3388int nfs_chown_async(struct nfs_context *nfs, const char *path, int uid, int gid, nfs_cb cb, void *private_data)
3389{
3390 struct nfs_chown_data *chown_data;
3391
3392 chown_data = malloc(sizeof(struct nfs_chown_data));
3393 if (chown_data == NULL) {
cbbf9d3e 3394 rpc_set_error(nfs->rpc, "Failed to allocate memory for chown data structure");
84004dbf
RS		 3395 return -1;
3396 }
3397
3398 chown_data->uid = uid;
3399 chown_data->gid = gid;
3400
3401 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_chown_continue_internal, chown_data, free, 0) != 0) {
cbbf9d3e 3402 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3403 return -1;
3404 }
3405
3406 return 0;
3407}
3408
3409
3410/*
3411 * Async fchown()
3412 */
3413int nfs_fchown_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int uid, int gid, nfs_cb cb, void *private_data)
3414{
3415 struct nfs_cb_data *data;
3416 struct nfs_chown_data *chown_data;
3417
3418 chown_data = malloc(sizeof(struct nfs_chown_data));
3419 if (chown_data == NULL) {
cbbf9d3e 3420 rpc_set_error(nfs->rpc, "Failed to allocate memory for chown data structure");
84004dbf
RS		 3421 return -1;
3422 }
3423
3424 chown_data->uid = uid;
3425 chown_data->gid = gid;
3426
84004dbf
RS		 3427 data = malloc(sizeof(struct nfs_cb_data));
3428 if (data == NULL) {
cbbf9d3e 3429 rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for fchown data");
b6619d88 3430 free(chown_data);
84004dbf
RS		 3431 return -1;
3432 }
ea98629a 3433 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 3434 data->nfs = nfs;
3435 data->cb = cb;
3436 data->private_data = private_data;
3437 data->continue_data = chown_data;
6b1f14ca 3438 data->free_continue_data = free;
84004dbf
RS		 3439 data->fh.data.data_len = nfsfh->fh.data.data_len;
3440 data->fh.data.data_val = malloc(data->fh.data.data_len);
3441 if (data->fh.data.data_val == NULL) {
3442 rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh");
3443 free_nfs_cb_data(data);
3444 return -1;
3445 }
3446 memcpy(data->fh.data.data_val, nfsfh->fh.data.data_val, data->fh.data.data_len);
3447
84004dbf 3448 if (nfs_chown_continue_internal(nfs, data) != 0) {
84004dbf
RS		 3449 return -1;
3450 }
3451
3452 return 0;
3453}
3454
3455
3456
3457
3458
3459/*
3460 * Async utimes()
3461 */
f3a75078 3462static void nfs_utimes_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3463{
3464 struct nfs_cb_data *data = private_data;
3465 struct nfs_context *nfs = data->nfs;
3466 SETATTR3res *res;
3467
f3a75078
RS		 3468 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3469
84004dbf
RS		 3470 if (status == RPC_STATUS_ERROR) {
3471 data->cb(-EFAULT, nfs, command_data, data->private_data);
3472 free_nfs_cb_data(data);
3473 return;
3474 }
3475 if (status == RPC_STATUS_CANCEL) {
3476 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3477 free_nfs_cb_data(data);
3478 return;
3479 }
3480
3481 res = command_data;
3482 if (res->status != NFS3_OK) {
3483 rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
3484 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3485 free_nfs_cb_data(data);
3486 return;
3487 }
3488
3489 data->cb(0, nfs, NULL, data->private_data);
3490 free_nfs_cb_data(data);
3491}
3492
3493static int nfs_utimes_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3494{
3495 SETATTR3args args;
3496 struct timeval *utimes_data = data->continue_data;
3497
ea98629a 3498 memset(&args, 0, sizeof(SETATTR3args));
2452c57f 3499 args.object = data->fh;
84004dbf
RS		 3500 if (utimes_data != NULL) {
3501 args.new_attributes.atime.set_it = SET_TO_CLIENT_TIME;
3502 args.new_attributes.atime.set_atime_u.atime.seconds = utimes_data[0].tv_sec;
3503 args.new_attributes.atime.set_atime_u.atime.nseconds = utimes_data[0].tv_usec * 1000;
3504 args.new_attributes.mtime.set_it = SET_TO_CLIENT_TIME;
3505 args.new_attributes.mtime.set_mtime_u.mtime.seconds = utimes_data[1].tv_sec;
3506 args.new_attributes.mtime.set_mtime_u.mtime.nseconds = utimes_data[1].tv_usec * 1000;
3507 } else {
3508 args.new_attributes.atime.set_it = SET_TO_SERVER_TIME;
3509 args.new_attributes.mtime.set_it = SET_TO_SERVER_TIME;
3510 }
3511
b701254d 3512 if (rpc_nfs3_setattr_async(nfs->rpc, nfs_utimes_cb, &args, data) != 0) {
84004dbf
RS		 3513 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
3514 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3515 free_nfs_cb_data(data);
3516 return -1;
3517 }
3518 return 0;
3519}
3520
3521
3522int nfs_utimes_async(struct nfs_context *nfs, const char *path, struct timeval *times, nfs_cb cb, void *private_data)
3523{
3524 struct timeval *new_times = NULL;
3525
3526 if (times != NULL) {
3527 new_times = malloc(sizeof(struct timeval)*2);
3528 if (new_times == NULL) {
cbbf9d3e 3529 rpc_set_error(nfs->rpc, "Failed to allocate memory for timeval structure");
84004dbf
RS		 3530 return -1;
3531 }
3532
3533 memcpy(new_times, times, sizeof(struct timeval)*2);
3534 }
3535
3536 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_utimes_continue_internal, new_times, free, 0) != 0) {
cbbf9d3e 3537 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3538 return -1;
3539 }
3540
3541 return 0;
3542}
3543
3544/*
3545 * Async utime()
3546 */
3547int nfs_utime_async(struct nfs_context *nfs, const char *path, struct utimbuf *times, nfs_cb cb, void *private_data)
3548{
3549 struct timeval *new_times = NULL;
3550
3551 if (times != NULL) {
3552 new_times = malloc(sizeof(struct timeval)*2);
3553 if (new_times == NULL) {
cbbf9d3e 3554 rpc_set_error(nfs->rpc, "Failed to allocate memory for timeval structure");
84004dbf
RS		 3555 return -1;
3556 }
3557
3558 new_times[0].tv_sec = times->actime;
3559 new_times[0].tv_usec = 0;
3560 new_times[1].tv_sec = times->modtime;
3561 new_times[1].tv_usec = 0;
3562 }
3563
3564 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_utimes_continue_internal, new_times, free, 0) != 0) {
cbbf9d3e 3565 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3566 return -1;
3567 }
3568
3569 return 0;
3570}
84004dbf
RS		 3571
3572
3573/*
3574 * Async access()
3575 */
f3a75078 3576static void nfs_access_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3577{
3578 ACCESS3res *res;
3579 struct nfs_cb_data *data = private_data;
3580 struct nfs_context *nfs = data->nfs;
3581 unsigned int nfsmode = 0;
3582
f3a75078
RS		 3583 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3584
84004dbf
RS		 3585 if (status == RPC_STATUS_ERROR) {
3586 data->cb(-EFAULT, nfs, command_data, data->private_data);
3587 free_nfs_cb_data(data);
3588 return;
3589 }
3590 if (status == RPC_STATUS_CANCEL) {
3591 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3592 free_nfs_cb_data(data);
3593 return;
3594 }
3595
3596 res = command_data;
3597 if (res->status != NFS3_OK) {
3598 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));
3599 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3600 free_nfs_cb_data(data);
3601 return;
3602 }
3603
3604 if (data->continue_int & R_OK) {
3605 nfsmode |= ACCESS3_READ;
3606 }
3607 if (data->continue_int & W_OK) {
3608 nfsmode |= ACCESS3_MODIFY;
3609 }
3610 if (data->continue_int & X_OK) {
3611 nfsmode |= ACCESS3_EXECUTE;
3612 }
3613
3614 if (res->ACCESS3res_u.resok.access != nfsmode) {
3615 rpc_set_error(nfs->rpc, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c",
3616 nfsmode&ACCESS3_READ?'r':'-',
3617 nfsmode&ACCESS3_MODIFY?'w':'-',
3618 nfsmode&ACCESS3_EXECUTE?'x':'-',
3619 res->ACCESS3res_u.resok.access&ACCESS3_READ?'r':'-',
3620 res->ACCESS3res_u.resok.access&ACCESS3_MODIFY?'w':'-',
3621 res->ACCESS3res_u.resok.access&ACCESS3_EXECUTE?'x':'-');
3622 data->cb(-EACCES, nfs, rpc_get_error(nfs->rpc), data->private_data);
3623 free_nfs_cb_data(data);
3624 return;
3625 }
3626
3627 data->cb(0, nfs, NULL, data->private_data);
3628 free_nfs_cb_data(data);
3629}
3630
3631static int nfs_access_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3632{
3633 int nfsmode = 0;
463d59bf 3634 ACCESS3args args;
84004dbf
RS		 3635
3636 if (data->continue_int & R_OK) {
3637 nfsmode |= ACCESS3_READ;
3638 }
3639 if (data->continue_int & W_OK) {
3640 nfsmode |= ACCESS3_MODIFY;
3641 }
3642 if (data->continue_int & X_OK) {
3643 nfsmode |= ACCESS3_EXECUTE;
3644 }
3645
463d59bf 3646 memset(&args, 0, sizeof(ACCESS3args));
2452c57f 3647 args.object = data->fh;
463d59bf
RS		 3648 args.access = nfsmode;
3649
3650 if (rpc_nfs3_access_async(nfs->rpc, nfs_access_cb, &args, data) != 0) {
84004dbf
RS		 3651 rpc_set_error(nfs->rpc, "RPC error: Failed to send OPEN ACCESS call for %s", data->path);
3652 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3653 free_nfs_cb_data(data);
3654 return -1;
3655 }
3656 return 0;
3657}
3658
3659int nfs_access_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data)
3660{
3661 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_access_continue_internal, NULL, NULL, mode) != 0) {
cbbf9d3e
RS		 3662 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
3663 return -1;
84004dbf
RS		 3664 }
3665
3666 return 0;
3667}
3668
3669
3670
3671/*
3672 * Async symlink()
3673 */
3674struct nfs_symlink_data {
3675 char *oldpath;
3676 char *newpathparent;
3677 char *newpathobject;
3678};
3679
3680static void free_nfs_symlink_data(void *mem)
3681{
3682 struct nfs_symlink_data *data = mem;
3683
3684 if (data->oldpath != NULL) {
3685 free(data->oldpath);
3686 }
3687 if (data->newpathparent != NULL) {
3688 free(data->newpathparent);
3689 }
3690 if (data->newpathobject != NULL) {
3691 free(data->newpathobject);
3692 }
3693 free(data);
3694}
3695
f3a75078 3696static void nfs_symlink_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3697{
3698 SYMLINK3res *res;
3699 struct nfs_cb_data *data = private_data;
3700 struct nfs_context *nfs = data->nfs;
3701 struct nfs_symlink_data *symlink_data = data->continue_data;
4b1ae88a 3702
f3a75078
RS		 3703 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3704
84004dbf
RS		 3705 if (status == RPC_STATUS_ERROR) {
3706 data->cb(-EFAULT, nfs, command_data, data->private_data);
3707 free_nfs_cb_data(data);
3708 return;
3709 }
3710 if (status == RPC_STATUS_CANCEL) {
3711 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3712 free_nfs_cb_data(data);
3713 return;
3714 }
3715
3716 res = command_data;
3717 if (res->status != NFS3_OK) {
3718 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));
3719 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3720 free_nfs_cb_data(data);
3721 return;
3722 }
3723
3724 data->cb(0, nfs, NULL, data->private_data);
3725 free_nfs_cb_data(data);
3726}
3727
3728static int nfs_symlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3729{
3730 struct nfs_symlink_data *symlink_data = data->continue_data;
87f81c85 3731 SYMLINK3args args;
84004dbf 3732
87f81c85 3733 memset(&args, 0, sizeof(SYMLINK3args));
2452c57f 3734 args.where.dir = data->fh;
87f81c85
RS		 3735 args.where.name = symlink_data->newpathobject;
3736 args.symlink.symlink_attributes.mode.set_it = 1;
3737 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;
3738 args.symlink.symlink_data = symlink_data->oldpath;
8e255816 3739
87f81c85 3740 if (rpc_nfs3_symlink_async(nfs->rpc, nfs_symlink_cb, &args, data) != 0) {
84004dbf
RS		 3741 rpc_set_error(nfs->rpc, "RPC error: Failed to send SYMLINK call for %s", data->path);
3742 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3743 free_nfs_cb_data(data);
3744 return -1;
3745 }
3746 return 0;
3747}
3748
3749int nfs_symlink_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data)
3750{
3751 char *ptr;
3752 struct nfs_symlink_data *symlink_data;
3753
3754 symlink_data = malloc(sizeof(struct nfs_symlink_data));
3755 if (symlink_data == NULL) {
cbbf9d3e 3756 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for symlink data");
84004dbf
RS		 3757 return -1;
3758 }
ea98629a 3759 memset(symlink_data, 0, sizeof(struct nfs_symlink_data));
84004dbf
RS		 3760
3761 symlink_data->oldpath = strdup(oldpath);
3762 if (symlink_data->oldpath == NULL) {
cbbf9d3e 3763 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath");
84004dbf 3764 free_nfs_symlink_data(symlink_data);
cbbf9d3e 3765 return -1;
84004dbf
RS		 3766 }
3767
3768 symlink_data->newpathparent = strdup(newpath);
3769 if (symlink_data->newpathparent == NULL) {
cbbf9d3e 3770 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for new path");
84004dbf 3771 free_nfs_symlink_data(symlink_data);
cbbf9d3e 3772 return -1;
84004dbf
RS		 3773 }
3774
93e9306f 3775 ptr = strrchr(symlink_data->newpathparent, '/');
84004dbf 3776 if (ptr == NULL) {
cbbf9d3e 3777 rpc_set_error(nfs->rpc, "Invalid path %s", oldpath);
84004dbf 3778 free_nfs_symlink_data(symlink_data);
cbbf9d3e 3779 return -1;
84004dbf
RS		 3780 }
3781 *ptr = 0;
3782 ptr++;
3783
3784 symlink_data->newpathobject = strdup(ptr);
3785 if (symlink_data->newpathobject == NULL) {
cbbf9d3e 3786 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for new path");
84004dbf 3787 free_nfs_symlink_data(symlink_data);
cbbf9d3e 3788 return -1;
84004dbf
RS		 3789 }
3790
3791 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		 3792 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
3793 return -1;
84004dbf
RS		 3794 }
3795
3796 return 0;
3797}
3798
3799
3800
3801/*
3802 * Async rename()
3803 */
3804struct nfs_rename_data {
3805 char *oldpath;
3806 char *oldobject;
3807 struct nfs_fh3 olddir;
3808 char *newpath;
3809 char *newobject;
3810 struct nfs_fh3 newdir;
3811};
3812
3813static void free_nfs_rename_data(void *mem)
3814{
3815 struct nfs_rename_data *data = mem;
3816
3817 if (data->oldpath != NULL) {
3818 free(data->oldpath);
3819 }
3820 if (data->olddir.data.data_val != NULL) {
3821 free(data->olddir.data.data_val);
3822 }
3823 if (data->newpath != NULL) {
3824 free(data->newpath);
3825 }
3826 if (data->newdir.data.data_val != NULL) {
3827 free(data->newdir.data.data_val);
3828 }
3829 free(data);
3830}
3831
f3a75078 3832static void nfs_rename_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3833{
3834 RENAME3res *res;
3835 struct nfs_cb_data *data = private_data;
3836 struct nfs_context *nfs = data->nfs;
3837 struct nfs_rename_data *rename_data = data->continue_data;
4b1ae88a 3838
f3a75078
RS		 3839 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3840
84004dbf
RS		 3841 if (status == RPC_STATUS_ERROR) {
3842 data->cb(-EFAULT, nfs, command_data, data->private_data);
3843 free_nfs_cb_data(data);
3844 return;
3845 }
3846 if (status == RPC_STATUS_CANCEL) {
3847 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3848 free_nfs_cb_data(data);
3849 return;
3850 }
3851
3852 res = command_data;
3853 if (res->status != NFS3_OK) {
3854 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));
3855 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3856 free_nfs_cb_data(data);
3857 return;
3858 }
3859
3860 data->cb(0, nfs, NULL, data->private_data);
3861 free_nfs_cb_data(data);
3862}
3863
3864static int nfs_rename_continue_2_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3865{
3866 struct nfs_rename_data *rename_data = data->continue_data;
5940c705 3867 RENAME3args args;
84004dbf
RS		 3868
3869 /* steal the filehandle */
2452c57f 3870 rename_data->newdir = data->fh;
84004dbf
RS		 3871 data->fh.data.data_val = NULL;
3872
5940c705
RS		 3873 args.from.dir = rename_data->olddir;
3874 args.from.name = rename_data->oldobject;
3875 args.to.dir = rename_data->newdir;
3876 args.to.name = rename_data->newobject;
3877 if (rpc_nfs3_rename_async(nfs->rpc, nfs_rename_cb, &args, data) != 0) {
84004dbf
RS		 3878 rpc_set_error(nfs->rpc, "RPC error: Failed to send RENAME call for %s", data->path);
3879 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3880 free_nfs_cb_data(data);
3881 return -1;
3882 }
3883 return 0;
3884}
3885
3886
3887static int nfs_rename_continue_1_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3888{
3889 struct nfs_rename_data *rename_data = data->continue_data;
3890
3891 /* steal the filehandle */
2452c57f 3892 rename_data->olddir = data->fh;
84004dbf
RS		 3893 data->fh.data.data_val = NULL;
3894
3895 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) {
3896 rpc_set_error(nfs->rpc, "RPC error: Failed to send LOOKUP call for %s", rename_data->newpath);
3897 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3898 free_nfs_cb_data(data);
3899 return -1;
3900 }
3901 data->continue_data = NULL;
3902 free_nfs_cb_data(data);
3903
3904 return 0;
3905}
3906
3907
3908int nfs_rename_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data)
3909{
3910 char *ptr;
3911 struct nfs_rename_data *rename_data;
3912
3913 rename_data = malloc(sizeof(struct nfs_rename_data));
3914 if (rename_data == NULL) {
cbbf9d3e 3915 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for rename data");
84004dbf
RS		 3916 return -1;
3917 }
ea98629a 3918 memset(rename_data, 0, sizeof(struct nfs_rename_data));
84004dbf
RS		 3919
3920 rename_data->oldpath = strdup(oldpath);
3921 if (rename_data->oldpath == NULL) {
cbbf9d3e 3922 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath");
84004dbf 3923 free_nfs_rename_data(rename_data);
cbbf9d3e 3924 return -1;
84004dbf 3925 }
93e9306f 3926 ptr = strrchr(rename_data->oldpath, '/');
84004dbf 3927 if (ptr == NULL) {
cbbf9d3e 3928 rpc_set_error(nfs->rpc, "Invalid path %s", oldpath);
84004dbf 3929 free_nfs_rename_data(rename_data);
cbbf9d3e 3930 return -1;
84004dbf
RS		 3931 }
3932 *ptr = 0;
3933 ptr++;
3934 rename_data->oldobject = ptr;
3935
3936
3937 rename_data->newpath = strdup(newpath);
3938 if (rename_data->newpath == NULL) {
cbbf9d3e 3939 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for newpath");
84004dbf 3940 free_nfs_rename_data(rename_data);
cbbf9d3e 3941 return -1;
84004dbf 3942 }
93e9306f 3943 ptr = strrchr(rename_data->newpath, '/');
84004dbf 3944 if (ptr == NULL) {
cbbf9d3e 3945 rpc_set_error(nfs->rpc, "Invalid path %s", newpath);
84004dbf 3946 free_nfs_rename_data(rename_data);
cbbf9d3e 3947 return -1;
84004dbf
RS		 3948 }
3949 *ptr = 0;
3950 ptr++;
3951 rename_data->newobject = ptr;
3952
3953
3954 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		 3955 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
3956 return -1;
84004dbf
RS		 3957 }
3958
3959 return 0;
3960}
3961
3962
3963/*
3964 * Async link()
3965 */
3966struct nfs_link_data {
3967 char *oldpath;
3968 struct nfs_fh3 oldfh;
3969 char *newpath;
3970 char *newobject;
3971 struct nfs_fh3 newdir;
3972};
3973
3974static void free_nfs_link_data(void *mem)
3975{
3976 struct nfs_link_data *data = mem;
3977
3978 if (data->oldpath != NULL) {
3979 free(data->oldpath);
3980 }
3981 if (data->oldfh.data.data_val != NULL) {
3982 free(data->oldfh.data.data_val);
3983 }
3984 if (data->newpath != NULL) {
3985 free(data->newpath);
3986 }
3987 if (data->newdir.data.data_val != NULL) {
3988 free(data->newdir.data.data_val);
3989 }
3990 free(data);
3991}
3992
f3a75078 3993static void nfs_link_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3994{
3995 LINK3res *res;
3996 struct nfs_cb_data *data = private_data;
3997 struct nfs_context *nfs = data->nfs;
3998 struct nfs_link_data *link_data = data->continue_data;
4b1ae88a 3999
f3a75078
RS		 4000 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4001
84004dbf
RS		 4002 if (status == RPC_STATUS_ERROR) {
4003 data->cb(-EFAULT, nfs, command_data, data->private_data);
4004 free_nfs_cb_data(data);
4005 return;
4006 }
4007 if (status == RPC_STATUS_CANCEL) {
4008 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
4009 free_nfs_cb_data(data);
4010 return;
4011 }
4012
4013 res = command_data;
4014 if (res->status != NFS3_OK) {
4015 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));
4016 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
4017 free_nfs_cb_data(data);
4018 return;
4019 }
4020
4021 data->cb(0, nfs, NULL, data->private_data);
4022 free_nfs_cb_data(data);
4023}
4024
4025static int nfs_link_continue_2_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
4026{
4027 struct nfs_link_data *link_data = data->continue_data;
560f9434 4028 LINK3args args;
84004dbf
RS		 4029
4030 /* steal the filehandle */
2452c57f 4031 link_data->newdir = data->fh;
84004dbf
RS		 4032 data->fh.data.data_val = NULL;
4033
560f9434
RS		 4034 memset(&args, 0, sizeof(LINK3args));
4035 args.file = link_data->oldfh;
4036 args.link.dir = link_data->newdir;
4037 args.link.name = link_data->newobject;
4038 if (rpc_nfs3_link_async(nfs->rpc, nfs_link_cb, &args, data) != 0) {
84004dbf
RS		 4039 rpc_set_error(nfs->rpc, "RPC error: Failed to send LINK call for %s", data->path);
4040 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
4041 free_nfs_cb_data(data);
4042 return -1;
4043 }
4044 return 0;
4045}
4046
4047
4048static int nfs_link_continue_1_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
4049{
4050 struct nfs_link_data *link_data = data->continue_data;
4051
4052 /* steal the filehandle */
2452c57f 4053 link_data->oldfh = data->fh;
84004dbf
RS		 4054 data->fh.data.data_val = NULL;
4055
4056 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) {
4057 rpc_set_error(nfs->rpc, "RPC error: Failed to send LOOKUP call for %s", link_data->newpath);
4058 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
4059 free_nfs_cb_data(data);
4060 return -1;
4061 }
4062 data->continue_data = NULL;
4063 free_nfs_cb_data(data);
4064
4065 return 0;
4066}
4067
4068
4069int nfs_link_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data)
4070{
4071 char *ptr;
4072 struct nfs_link_data *link_data;
4073
4074 link_data = malloc(sizeof(struct nfs_link_data));
4075 if (link_data == NULL) {
cbbf9d3e 4076 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for link data");
84004dbf
RS		 4077 return -1;
4078 }
ea98629a 4079 memset(link_data, 0, sizeof(struct nfs_link_data));
84004dbf
RS		 4080
4081 link_data->oldpath = strdup(oldpath);
4082 if (link_data->oldpath == NULL) {
cbbf9d3e 4083 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath");
84004dbf 4084 free_nfs_link_data(link_data);
cbbf9d3e 4085 return -1;
84004dbf
RS		 4086 }
4087
4088 link_data->newpath = strdup(newpath);
4089 if (link_data->newpath == NULL) {
cbbf9d3e 4090 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for newpath");
84004dbf 4091 free_nfs_link_data(link_data);
cbbf9d3e 4092 return -1;
84004dbf 4093 }
93e9306f 4094 ptr = strrchr(link_data->newpath, '/');
84004dbf 4095 if (ptr == NULL) {
cbbf9d3e 4096 rpc_set_error(nfs->rpc, "Invalid path %s", newpath);
84004dbf 4097 free_nfs_link_data(link_data);
cbbf9d3e 4098 return -1;
84004dbf
RS		 4099 }
4100 *ptr = 0;
4101 ptr++;
4102 link_data->newobject = ptr;
4103
4104
4105 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		 4106 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
4107 return -1;
84004dbf
RS		 4108 }
4109
4110 return 0;
4111}
4112
4113
4114//qqq replace later with lseek()
183451cf 4115uint64_t nfs_get_current_offset(struct nfsfh *nfsfh)
84004dbf
RS		 4116{
4117 return nfsfh->offset;
4118}
4119
17ef62fa
RS		 4120
4121
4122/*
4123 * Get the maximum supported READ3 size by the server
4124 */
183451cf 4125uint64_t nfs_get_readmax(struct nfs_context *nfs)
17ef62fa
RS		 4126{
4127 return nfs->readmax;
4128}
4129
4130/*
4131 * Get the maximum supported WRITE3 size by the server
4132 */
183451cf 4133uint64_t nfs_get_writemax(struct nfs_context *nfs)
17ef62fa 4134{
e7f3a781 4135 return nfs->writemax;
17ef62fa 4136}
1896d37b 4137
d43a8953
PL		 4138void nfs_set_tcp_syncnt(struct nfs_context *nfs, int v) {
4139 rpc_set_tcp_syncnt(nfs->rpc, v);
4140}
4141
4142void nfs_set_uid(struct nfs_context *nfs, int uid) {
4143 rpc_set_uid(nfs->rpc, uid);
4144}
4145
4146void nfs_set_gid(struct nfs_context *nfs, int gid) {
4147 rpc_set_gid(nfs->rpc, gid);
4148}
4149
1896d37b
RS		 4150void nfs_set_error(struct nfs_context *nfs, char *error_string, ...)
4151{
4152 va_list ap;
1e8994af 4153 char *str = NULL;
1896d37b 4154
1e8994af 4155 va_start(ap, error_string);
2606f9bb
RS		 4156 str = malloc(1024);
4157 vsnprintf(str, 1024, error_string, ap);
1896d37b
RS		 4158 if (nfs->rpc->error_string != NULL) {
4159 free(nfs->rpc->error_string);
4160 }
1896d37b 4161 nfs->rpc->error_string = str;
f893b680 4162 va_end(ap);
1896d37b 4163}
7f0242ca
RS		 4164
4165
4166
4167struct mount_cb_data {
4168 rpc_cb cb;
4169 void *private_data;
4170 char *server;
4171};
4172
4173static void free_mount_cb_data(struct mount_cb_data *data)
4174{
4175 if (data->server != NULL) {
4176 free(data->server);
4177 data->server = NULL;
4178 }
4179
4180 free(data);
4181}
4182
4183static void mount_export_5_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
4184{
4185 struct mount_cb_data *data = private_data;
4186
f3a75078
RS		 4187 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4188
4189 if (status == RPC_STATUS_ERROR) {
7f0242ca
RS		 4190 data->cb(rpc, -EFAULT, command_data, data->private_data);
4191 free_mount_cb_data(data);
4192 return;
4193 }
4194 if (status == RPC_STATUS_CANCEL) {
4195 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
4196 free_mount_cb_data(data);
4197 return;
4198 }
4199
4200 data->cb(rpc, 0, command_data, data->private_data);
4201 if (rpc_disconnect(rpc, "normal disconnect") != 0) {
4202 rpc_set_error(rpc, "Failed to disconnect\n");
4203 }
4204 free_mount_cb_data(data);
4205}
4206
4207static void mount_export_4_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
4208{
4209 struct mount_cb_data *data = private_data;
4210
f3a75078
RS		 4211 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4212
14a062eb
RS		 4213 /* Dont want any more callbacks even if the socket is closed */
4214 rpc->connect_cb = NULL;
4215
4b1ae88a 4216 if (status == RPC_STATUS_ERROR) {
7f0242ca
RS		 4217 data->cb(rpc, -EFAULT, command_data, data->private_data);
4218 free_mount_cb_data(data);
4219 return;
4220 }
4221 if (status == RPC_STATUS_CANCEL) {
4222 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
4223 free_mount_cb_data(data);
4224 return;
4225 }
4226
eda77ec3 4227 if (rpc_mount3_export_async(rpc, mount_export_5_cb, data) != 0) {
7f0242ca
RS		 4228 data->cb(rpc, -ENOMEM, command_data, data->private_data);
4229 free_mount_cb_data(data);
4230 return;
4231 }
4232}
4233
4234static void mount_export_3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
4235{
4236 struct mount_cb_data *data = private_data;
4237 uint32_t mount_port;
4238
f3a75078
RS		 4239 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4240
4241 if (status == RPC_STATUS_ERROR) {
7f0242ca
RS		 4242 data->cb(rpc, -EFAULT, command_data, data->private_data);
4243 free_mount_cb_data(data);
4244 return;
4245 }
4246 if (status == RPC_STATUS_CANCEL) {
4247 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
4248 free_mount_cb_data(data);
4249 return;
4250 }
4251
4252 mount_port = *(uint32_t *)command_data;
4253 if (mount_port == 0) {
4254 rpc_set_error(rpc, "RPC error. Mount program is not available");
4255 data->cb(rpc, -ENOENT, command_data, data->private_data);
4256 free_mount_cb_data(data);
4257 return;
4258 }
4259
4260 rpc_disconnect(rpc, "normal disconnect");
4261 if (rpc_connect_async(rpc, data->server, mount_port, mount_export_4_cb, data) != 0) {
4262 data->cb(rpc, -ENOMEM, command_data, data->private_data);
4263 free_mount_cb_data(data);
4264 return;
4265 }
4266}
4267
4268static void mount_export_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
4269{
4270 struct mount_cb_data *data = private_data;
4271
f3a75078
RS		 4272 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4273
7f0242ca
RS		 4274 if (status == RPC_STATUS_ERROR) {
4275 data->cb(rpc, -EFAULT, command_data, data->private_data);
4276 free_mount_cb_data(data);
4277 return;
4278 }
4279 if (status == RPC_STATUS_CANCEL) {
4280 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
4281 free_mount_cb_data(data);
4282 return;
4283 }
4284
5c6b1176 4285 if (rpc_pmap_getport_async(rpc, MOUNT_PROGRAM, MOUNT_V3, IPPROTO_TCP, mount_export_3_cb, private_data) != 0) {
7f0242ca
RS		 4286 data->cb(rpc, -ENOMEM, command_data, data->private_data);
4287 free_mount_cb_data(data);
4288 return;
4289 }
4290}
4291
4292static void mount_export_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
4293{
4294 struct mount_cb_data *data = private_data;
4295
f3a75078
RS		 4296 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4297
14a062eb
RS		 4298 /* Dont want any more callbacks even if the socket is closed */
4299 rpc->connect_cb = NULL;
4300
7f0242ca
RS		 4301 if (status == RPC_STATUS_ERROR) {
4302 data->cb(rpc, -EFAULT, command_data, data->private_data);
4303 free_mount_cb_data(data);
4304 return;
4305 }
4306 if (status == RPC_STATUS_CANCEL) {
4307 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
4308 free_mount_cb_data(data);
4309 return;
4310 }
4311
4312 if (rpc_pmap_null_async(rpc, mount_export_2_cb, data) != 0) {
4313 data->cb(rpc, -ENOMEM, command_data, data->private_data);
4314 free_mount_cb_data(data);
4315 return;
4316 }
4317}
4318
4319int mount_getexports_async(struct rpc_context *rpc, const char *server, rpc_cb cb, void *private_data)
4320{
4321 struct mount_cb_data *data;
4322
f3a75078
RS		 4323 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4324
7f0242ca
RS		 4325 data = malloc(sizeof(struct mount_cb_data));
4326 if (data == NULL) {
4327 return -1;
4328 }
ea98629a 4329 memset(data, 0, sizeof(struct mount_cb_data));
7f0242ca
RS		 4330 data->cb = cb;
4331 data->private_data = private_data;
4332 data->server = strdup(server);
4333 if (data->server == NULL) {
4334 free_mount_cb_data(data);
4335 return -1;
4b1ae88a 4336 }
7f0242ca
RS		 4337 if (rpc_connect_async(rpc, data->server, 111, mount_export_1_cb, data) != 0) {
4338 free_mount_cb_data(data);
4339 return -1;
4340 }
4341
4342 return 0;
4343}
4344
df5af25f
RS		 4345struct rpc_context *nfs_get_rpc_context(struct nfs_context *nfs)
4346{
f3a75078 4347 assert(nfs->rpc->magic == RPC_CONTEXT_MAGIC);
df5af25f
RS		 4348 return nfs->rpc;
4349}
4350
b077fdeb
RS		 4351const char *nfs_get_server(struct nfs_context *nfs) {
4352 return nfs->server;
4353}
4354
4355const char *nfs_get_export(struct nfs_context *nfs) {
4356 return nfs->export;
4357}
0ad9a1f1 4358
8724c833
RS		 4359const struct nfs_fh3 *nfs_get_rootfh(struct nfs_context *nfs) {
4360 return &nfs->rootfh;
4361}
fa3c25be
RS		 4362
4363struct nfs_fh3 *nfs_get_fh(struct nfsfh *nfsfh) {
4364 return &nfsfh->fh;
4365}
libnfs Piment Noir Debian package repository