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nfs_write_async: plug potential memory leaks
[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 1777
63d4a058
AR		 1778 /* hello, clang-analyzer */
1779 assert(count > 0);
1780 assert(data->num_calls == 0);
1781
18c27b73
RS		 1782 /* trying to write more than maximum server write size, we has to chop it up into smaller
1783 * chunks.
cd67ec7d 1784 * we send all writes in parallel so that performance is still good.
18c27b73
RS		 1785 */
1786 data->max_offset = offset;
1787 data->start_offset = offset;
1788
1789 while (count > 0) {
183451cf 1790 uint64_t writecount = count;
18c27b73 1791 struct nfs_mcb_data *mdata;
463d59bf 1792 WRITE3args args;
18c27b73
RS		 1793
1794 if (writecount > nfs_get_writemax(nfs)) {
1795 writecount = nfs_get_writemax(nfs);
1796 }
1797
1798 mdata = malloc(sizeof(struct nfs_mcb_data));
1799 if (mdata == NULL) {
1800 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_mcb_data structure");
63d4a058
AR		 1801 if (data->num_calls == 0)
1802 free_nfs_cb_data(data);
18c27b73
RS		 1803 return -1;
1804 }
1805 memset(mdata, 0, sizeof(struct nfs_mcb_data));
1806 mdata->data = data;
1807 mdata->offset = offset;
1808 mdata->count = writecount;
1809
463d59bf 1810 memset(&args, 0, sizeof(WRITE3args));
2452c57f 1811 args.file = nfsfh->fh;
463d59bf
RS		 1812 args.offset = offset;
1813 args.count = writecount;
1814 args.stable = nfsfh->is_sync?FILE_SYNC:UNSTABLE;
1815 args.data.data_len = writecount;
1816 args.data.data_val = &buf[offset - data->start_offset];
1817
1818 if (rpc_nfs3_write_async(nfs->rpc, nfs_pwrite_mcb, &args, mdata) != 0) {
18c27b73
RS		 1819 rpc_set_error(nfs->rpc, "RPC error: Failed to send WRITE call for %s", data->path);
1820 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1821 free(mdata);
63d4a058
AR		 1822 if (data->num_calls == 0)
1823 free_nfs_cb_data(data);
1824
18c27b73
RS		 1825 return -1;
1826 }
1827
1828 count -= writecount;
1829 offset += writecount;
1830 data->num_calls++;
1831 }
1832
84004dbf
RS		 1833 return 0;
1834}
1835
1836/*
1837 * Async write()
1838 */
183451cf 1839int nfs_write_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t count, char *buf, nfs_cb cb, void *private_data)
84004dbf
RS		 1840{
1841 return nfs_pwrite_async(nfs, nfsfh, nfsfh->offset, count, buf, cb, private_data);
1842}
1843
1844
1845
1846
1847/*
1848 * close
1849 */
4b1ae88a 1850
84004dbf
RS		 1851int nfs_close_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data)
1852{
1853 if (nfsfh->fh.data.data_val != NULL){
1854 free(nfsfh->fh.data.data_val);
1855 nfsfh->fh.data.data_val = NULL;
1856 }
1857 free(nfsfh);
1858
1859 cb(0, nfs, NULL, private_data);
1860 return 0;
1861};
1862
1863
1864
1865
1866
1867/*
1868 * Async fstat()
1869 */
1870int nfs_fstat_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data)
1871{
1872 struct nfs_cb_data *data;
463d59bf 1873 struct GETATTR3args args;
84004dbf
RS		 1874
1875 data = malloc(sizeof(struct nfs_cb_data));
1876 if (data == NULL) {
1877 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1878 return -1;
1879 }
ea98629a 1880 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1881 data->nfs = nfs;
1882 data->cb = cb;
1883 data->private_data = private_data;
1884
463d59bf 1885 memset(&args, 0, sizeof(GETATTR3args));
2452c57f 1886 args.object = nfsfh->fh;
463d59bf
RS		 1887
1888 if (rpc_nfs3_getattr_async(nfs->rpc, nfs_stat_1_cb, &args, data) != 0) {
84004dbf
RS		 1889 rpc_set_error(nfs->rpc, "RPC error: Failed to send STAT GETATTR call for %s", data->path);
1890 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1891 free_nfs_cb_data(data);
1892 return -1;
1893 }
1894 return 0;
1895}
1896
1897
1898
1899/*
1900 * Async fsync()
1901 */
f3a75078 1902static void nfs_fsync_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1903{
1904 struct nfs_cb_data *data = private_data;
1905 struct nfs_context *nfs = data->nfs;
1906 COMMIT3res *res;
1907
f3a75078
RS		 1908 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1909
84004dbf
RS		 1910 if (status == RPC_STATUS_ERROR) {
1911 data->cb(-EFAULT, nfs, command_data, data->private_data);
1912 free_nfs_cb_data(data);
1913 return;
1914 }
1915 if (status == RPC_STATUS_CANCEL) {
1916 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1917 free_nfs_cb_data(data);
1918 return;
1919 }
1920
1921 res = command_data;
1922 if (res->status != NFS3_OK) {
1923 rpc_set_error(nfs->rpc, "NFS: Commit failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1924 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1925 free_nfs_cb_data(data);
1926 return;
1927 }
1928
1929 data->cb(0, nfs, NULL, data->private_data);
1930 free_nfs_cb_data(data);
1931}
1932
1933int nfs_fsync_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data)
1934{
1935 struct nfs_cb_data *data;
1a5636ff 1936 struct COMMIT3args args;
84004dbf
RS		 1937
1938 data = malloc(sizeof(struct nfs_cb_data));
1939 if (data == NULL) {
1940 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1941 return -1;
1942 }
ea98629a 1943 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1944 data->nfs = nfs;
1945 data->cb = cb;
1946 data->private_data = private_data;
1947
1a5636ff
RS		 1948 args.file = nfsfh->fh;
1949 args.offset = 0;
1950 args.count = 0;
1951 if (rpc_nfs3_commit_async(nfs->rpc, nfs_fsync_cb, &args, data) != 0) {
84004dbf
RS		 1952 rpc_set_error(nfs->rpc, "RPC error: Failed to send COMMIT call for %s", data->path);
1953 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1954 free_nfs_cb_data(data);
1955 return -1;
1956 }
1957 return 0;
1958}
1959
1960
1961
1962
1963/*
1964 * Async ftruncate()
1965 */
f3a75078 1966static void nfs_ftruncate_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1967{
1968 struct nfs_cb_data *data = private_data;
1969 struct nfs_context *nfs = data->nfs;
1970 SETATTR3res *res;
1971
f3a75078
RS		 1972 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1973
84004dbf
RS		 1974 if (status == RPC_STATUS_ERROR) {
1975 data->cb(-EFAULT, nfs, command_data, data->private_data);
1976 free_nfs_cb_data(data);
1977 return;
1978 }
1979 if (status == RPC_STATUS_CANCEL) {
1980 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1981 free_nfs_cb_data(data);
1982 return;
1983 }
1984
1985 res = command_data;
1986 if (res->status != NFS3_OK) {
1987 rpc_set_error(nfs->rpc, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1988 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1989 free_nfs_cb_data(data);
1990 return;
1991 }
1992
1993 data->cb(0, nfs, NULL, data->private_data);
1994 free_nfs_cb_data(data);
1995}
1996
183451cf 1997int nfs_ftruncate_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t length, nfs_cb cb, void *private_data)
84004dbf
RS		 1998{
1999 struct nfs_cb_data *data;
2000 SETATTR3args args;
2001
2002 data = malloc(sizeof(struct nfs_cb_data));
2003 if (data == NULL) {
2004 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 2005 return -1;
2006 }
ea98629a 2007 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 2008 data->nfs = nfs;
2009 data->cb = cb;
2010 data->private_data = private_data;
2011
ea98629a 2012 memset(&args, 0, sizeof(SETATTR3args));
2452c57f 2013 args.object = nfsfh->fh;
84004dbf
RS		 2014 args.new_attributes.size.set_it = 1;
2015 args.new_attributes.size.set_size3_u.size = length;
2016
b701254d 2017 if (rpc_nfs3_setattr_async(nfs->rpc, nfs_ftruncate_cb, &args, data) != 0) {
84004dbf
RS		 2018 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
2019 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2020 free_nfs_cb_data(data);
2021 return -1;
2022 }
2023 return 0;
2024}
2025
2026
2027/*
2028 * Async truncate()
2029 */
2030static int nfs_truncate_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2031{
183451cf 2032 uint64_t offset = data->continue_int;
84004dbf
RS		 2033 struct nfsfh nfsfh;
2034
2452c57f 2035 nfsfh.fh = data->fh;
84004dbf
RS		 2036
2037 if (nfs_ftruncate_async(nfs, &nfsfh, offset, data->cb, data->private_data) != 0) {
2038 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
2039 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2040 free_nfs_cb_data(data);
2041 return -1;
2042 }
2043 free_nfs_cb_data(data);
2044 return 0;
2045}
2046
183451cf 2047int nfs_truncate_async(struct nfs_context *nfs, const char *path, uint64_t length, nfs_cb cb, void *private_data)
84004dbf 2048{
183451cf 2049 uint64_t offset;
84004dbf
RS		 2050
2051 offset = length;
2052
2053 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_truncate_continue_internal, NULL, NULL, offset) != 0) {
cbbf9d3e
RS		 2054 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2055 return -1;
84004dbf
RS		 2056 }
2057
2058 return 0;
2059}
2060
2061
2062
2063
2064/*
2065 * Async mkdir()
2066 */
f3a75078 2067static void nfs_mkdir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2068{
2069 MKDIR3res *res;
2070 struct nfs_cb_data *data = private_data;
2071 struct nfs_context *nfs = data->nfs;
2072 char *str = data->continue_data;
4b1ae88a 2073
f3a75078
RS		 2074 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2075
84004dbf
RS		 2076 str = &str[strlen(str) + 1];
2077
2078 if (status == RPC_STATUS_ERROR) {
2079 data->cb(-EFAULT, nfs, command_data, data->private_data);
2080 free_nfs_cb_data(data);
2081 return;
2082 }
2083 if (status == RPC_STATUS_CANCEL) {
2084 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2085 free_nfs_cb_data(data);
2086 return;
2087 }
2088
2089 res = command_data;
2090 if (res->status != NFS3_OK) {
2091 rpc_set_error(nfs->rpc, "NFS: MKDIR of %s/%s failed with %s(%d)", data->saved_path, str, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
2092 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2093 free_nfs_cb_data(data);
2094 return;
2095 }
2096
2097 data->cb(0, nfs, NULL, data->private_data);
2098 free_nfs_cb_data(data);
2099}
2100
2101static int nfs_mkdir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2102{
2103 char *str = data->continue_data;
7edc9026
RS		 2104 MKDIR3args args;
2105
84004dbf
RS		 2106 str = &str[strlen(str) + 1];
2107
7edc9026 2108 memset(&args, 0, sizeof(MKDIR3args));
2452c57f 2109 args.where.dir = data->fh;
7edc9026
RS		 2110 args.where.name = str;
2111 args.attributes.mode.set_it = 1;
2112 args.attributes.mode.set_mode3_u.mode = 0755;
2113
acabd6bf 2114 if (rpc_nfs3_mkdir_async(nfs->rpc, nfs_mkdir_cb, &args, data) != 0) {
84004dbf
RS		 2115 rpc_set_error(nfs->rpc, "RPC error: Failed to send MKDIR call for %s", data->path);
2116 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2117 free_nfs_cb_data(data);
2118 return -1;
2119 }
2120 return 0;
2121}
2122
2123int nfs_mkdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
2124{
2125 char *new_path;
2126 char *ptr;
2127
2128 new_path = strdup(path);
2129 if (new_path == NULL) {
cbbf9d3e 2130 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 2131 return -1;
2132 }
2133
93e9306f 2134 ptr = strrchr(new_path, '/');
84004dbf 2135 if (ptr == NULL) {
b1a197f5 2136 free(new_path);
cbbf9d3e
RS		 2137 rpc_set_error(nfs->rpc, "Invalid path %s", path);
2138 return -1;
84004dbf
RS		 2139 }
2140 *ptr = 0;
2141
2142 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2143 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_mkdir_continue_internal, new_path, free, 0) != 0) {
cbbf9d3e
RS		 2144 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path component");
2145 return -1;
84004dbf
RS		 2146 }
2147
2148 return 0;
2149}
2150
2151
2152
2153
2154
2155/*
2156 * Async rmdir()
2157 */
f3a75078 2158static void nfs_rmdir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2159{
2160 RMDIR3res *res;
2161 struct nfs_cb_data *data = private_data;
2162 struct nfs_context *nfs = data->nfs;
2163 char *str = data->continue_data;
4b1ae88a 2164
f3a75078
RS		 2165 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2166
84004dbf
RS		 2167 str = &str[strlen(str) + 1];
2168
2169 if (status == RPC_STATUS_ERROR) {
2170 data->cb(-EFAULT, nfs, command_data, data->private_data);
2171 free_nfs_cb_data(data);
2172 return;
2173 }
2174 if (status == RPC_STATUS_CANCEL) {
2175 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2176 free_nfs_cb_data(data);
2177 return;
2178 }
2179
2180 res = command_data;
2181 if (res->status != NFS3_OK) {
2182 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));
2183 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2184 free_nfs_cb_data(data);
2185 return;
2186 }
2187
2188 data->cb(0, nfs, NULL, data->private_data);
2189 free_nfs_cb_data(data);
2190}
2191
2192static int nfs_rmdir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2193{
2194 char *str = data->continue_data;
bf817ee6
RS		 2195 RMDIR3args args;
2196
84004dbf
RS		 2197 str = &str[strlen(str) + 1];
2198
bf817ee6
RS		 2199 args.object.dir = data->fh;
2200 args.object.name = str;
2201 if (rpc_nfs3_rmdir_async(nfs->rpc, nfs_rmdir_cb, &args, data) != 0) {
84004dbf
RS		 2202 rpc_set_error(nfs->rpc, "RPC error: Failed to send RMDIR call for %s", data->path);
2203 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2204 free_nfs_cb_data(data);
2205 return -1;
2206 }
2207 return 0;
2208}
2209
2210int nfs_rmdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
2211{
2212 char *new_path;
2213 char *ptr;
2214
2215 new_path = strdup(path);
2216 if (new_path == NULL) {
cbbf9d3e 2217 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 2218 return -1;
2219 }
2220
93e9306f 2221 ptr = strrchr(new_path, '/');
84004dbf 2222 if (ptr == NULL) {
2257433d 2223 free(new_path);
cbbf9d3e
RS		 2224 rpc_set_error(nfs->rpc, "Invalid path %s", path);
2225 return -1;
84004dbf
RS		 2226 }
2227 *ptr = 0;
2228
2229 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2230 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_rmdir_continue_internal, new_path, free, 0) != 0) {
cbbf9d3e
RS		 2231 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2232 return -1;
84004dbf
RS		 2233 }
2234
2235 return 0;
2236}
2237
2238
2239
2240
2241/*
2242 * Async creat()
2243 */
f3a75078 2244static void nfs_create_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2245{
2246 LOOKUP3res *res;
2247 struct nfs_cb_data *data = private_data;
2248 struct nfs_context *nfs = data->nfs;
2249 struct nfsfh *nfsfh;
2250 char *str = data->continue_data;
2251
f3a75078
RS		 2252 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2253
84004dbf
RS		 2254 if (status == RPC_STATUS_ERROR) {
2255 data->cb(-EFAULT, nfs, command_data, data->private_data);
2256 free_nfs_cb_data(data);
2257 return;
2258 }
2259 if (status == RPC_STATUS_CANCEL) {
2260 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2261 free_nfs_cb_data(data);
2262 return;
2263 }
2264
2265 str = &str[strlen(str) + 1];
2266 res = command_data;
2267 if (res->status != NFS3_OK) {
2268 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));
2269 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2270
2271 return;
2272 }
2273
2274 nfsfh = malloc(sizeof(struct nfsfh));
2275 if (nfsfh == NULL) {
2276 rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure");
2277 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2278 free_nfs_cb_data(data);
2279 return;
2280 }
ea98629a 2281 memset(nfsfh, 0, sizeof(struct nfsfh));
84004dbf 2282
0c1a9d7a
RS		 2283 /* copy the filehandle */
2284 nfsfh->fh.data.data_len = res->LOOKUP3res_u.resok.object.data.data_len;
2285 nfsfh->fh.data.data_val = malloc(nfsfh->fh.data.data_len);
2286 memcpy(nfsfh->fh.data.data_val, res->LOOKUP3res_u.resok.object.data.data_val, nfsfh->fh.data.data_len);
84004dbf
RS		 2287
2288 data->cb(0, nfs, nfsfh, data->private_data);
2289 free_nfs_cb_data(data);
2290}
2291
2292
2293
f3a75078 2294static void nfs_creat_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2295{
2296 CREATE3res *res;
2297 struct nfs_cb_data *data = private_data;
2298 struct nfs_context *nfs = data->nfs;
2299 char *str = data->continue_data;
463d59bf 2300 LOOKUP3args args;
84004dbf 2301
f3a75078
RS		 2302 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2303
84004dbf
RS		 2304 if (status == RPC_STATUS_ERROR) {
2305 data->cb(-EFAULT, nfs, command_data, data->private_data);
2306 free_nfs_cb_data(data);
2307 return;
2308 }
2309 if (status == RPC_STATUS_CANCEL) {
2310 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2311 free_nfs_cb_data(data);
2312 return;
2313 }
2314
2315 str = &str[strlen(str) + 1];
2316 res = command_data;
2317 if (res->status != NFS3_OK) {
2318 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));
2319 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
fadbf8cf 2320 free_nfs_cb_data(data);
84004dbf
RS		 2321 return;
2322 }
2323
463d59bf 2324 memset(&args, 0, sizeof(LOOKUP3args));
2452c57f
RS		 2325 args.what.dir = data->fh;
2326 args.what.name = str;
463d59bf
RS		 2327
2328 if (rpc_nfs3_lookup_async(nfs->rpc, nfs_create_2_cb, &args, data) != 0) {
84004dbf
RS		 2329 rpc_set_error(nfs->rpc, "RPC error: Failed to send lookup call for %s/%s", data->saved_path, str);
2330 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2331 free_nfs_cb_data(data);
2332 return;
2333 }
2334 return;
2335}
2336
2337static int nfs_creat_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2338{
2339 char *str = data->continue_data;
c985c015
RS		 2340 CREATE3args args;
2341
84004dbf
RS		 2342 str = &str[strlen(str) + 1];
2343
c985c015 2344 memset(&args, 0, sizeof(CREATE3args));
2452c57f 2345 args.where.dir = data->fh;
c985c015
RS		 2346 args.where.name = str;
2347 args.how.mode = UNCHECKED;
2348 args.how.createhow3_u.obj_attributes.mode.set_it = 1;
2349 args.how.createhow3_u.obj_attributes.mode.set_mode3_u.mode = data->continue_int;
2350
789c3f12 2351 if (rpc_nfs3_create_async(nfs->rpc, nfs_creat_1_cb, &args, data) != 0) {
84004dbf
RS		 2352 rpc_set_error(nfs->rpc, "RPC error: Failed to send CREATE call for %s/%s", data->path, str);
2353 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2354 free_nfs_cb_data(data);
2355 return -1;
2356 }
2357 return 0;
2358}
2359
2360int nfs_creat_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data)
2361{
2362 char *new_path;
2363 char *ptr;
2364
2365 new_path = strdup(path);
2366 if (new_path == NULL) {
cbbf9d3e 2367 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 2368 return -1;
2369 }
2370
93e9306f 2371 ptr = strrchr(new_path, '/');
84004dbf 2372 if (ptr == NULL) {
cbbf9d3e 2373 rpc_set_error(nfs->rpc, "Invalid path %s", path);
a1287496 2374 free(new_path);
cbbf9d3e 2375 return -1;
84004dbf
RS		 2376 }
2377 *ptr = 0;
2378
73f4ae7c 2379 /* new_path now points to the parent directory, and beyond the nul terminator is the new directory to create */
84004dbf 2380 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_creat_continue_internal, new_path, free, mode) != 0) {
cbbf9d3e
RS		 2381 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2382 return -1;
84004dbf
RS		 2383 }
2384
2385 return 0;
2386}
2387
2388
2389
2390
2391/*
2392 * Async unlink()
2393 */
f3a75078 2394static void nfs_unlink_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2395{
2396 REMOVE3res *res;
2397 struct nfs_cb_data *data = private_data;
2398 struct nfs_context *nfs = data->nfs;
2399 char *str = data->continue_data;
4b1ae88a 2400
f3a75078
RS		 2401 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2402
84004dbf
RS		 2403 str = &str[strlen(str) + 1];
2404
2405 if (status == RPC_STATUS_ERROR) {
2406 data->cb(-EFAULT, nfs, command_data, data->private_data);
2407 free_nfs_cb_data(data);
2408 return;
2409 }
2410 if (status == RPC_STATUS_CANCEL) {
2411 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2412 free_nfs_cb_data(data);
2413 return;
2414 }
2415
2416 res = command_data;
2417 if (res->status != NFS3_OK) {
2418 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));
2419 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2420 free_nfs_cb_data(data);
2421 return;
2422 }
2423
2424 data->cb(0, nfs, NULL, data->private_data);
2425 free_nfs_cb_data(data);
2426}
2427
2428static int nfs_unlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2429{
2430 char *str = data->continue_data;
a0a5aa26
RS		 2431 struct REMOVE3args args;
2432
84004dbf
RS		 2433 str = &str[strlen(str) + 1];
2434
a0a5aa26
RS		 2435 args.object.dir = data->fh;
2436 args.object.name = str;
2437 if (rpc_nfs3_remove_async(nfs->rpc, nfs_unlink_cb, &args, data) != 0) {
84004dbf
RS		 2438 rpc_set_error(nfs->rpc, "RPC error: Failed to send REMOVE call for %s", data->path);
2439 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2440 free_nfs_cb_data(data);
2441 return -1;
2442 }
2443 return 0;
2444}
2445
2446int nfs_unlink_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
2447{
2448 char *new_path;
2449 char *ptr;
2450
2451 new_path = strdup(path);
2452 if (new_path == NULL) {
cbbf9d3e 2453 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 2454 return -1;
2455 }
2456
93e9306f 2457 ptr = strrchr(new_path, '/');
84004dbf 2458 if (ptr == NULL) {
bcbb21cd 2459 free(new_path);
cbbf9d3e
RS		 2460 rpc_set_error(nfs->rpc, "Invalid path %s", path);
2461 return -1;
84004dbf
RS		 2462 }
2463 *ptr = 0;
2464
2465 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2466 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_unlink_continue_internal, new_path, free, 0) != 0) {
cbbf9d3e
RS		 2467 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2468 return -1;
84004dbf
RS		 2469 }
2470
2471 return 0;
2472}
2473
2474
1ec6b50a
RS		 2475/*
2476 * Async mknod()
2477 */
2478struct mknod_cb_data {
2479 char *path;
2480 int mode;
2481 int major;
2482 int minor;
2483};
2484
2485static void free_mknod_cb_data(void *ptr)
2486{
2487 struct mknod_cb_data *data = ptr;
2488
2489 free(data->path);
2490 free(data);
2491}
2492
f3a75078 2493static void nfs_mknod_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
1ec6b50a
RS		 2494{
2495 MKNOD3res *res;
2496 struct nfs_cb_data *data = private_data;
2497 struct nfs_context *nfs = data->nfs;
2498 char *str = data->continue_data;
4b1ae88a 2499
f3a75078
RS		 2500 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2501
1ec6b50a
RS		 2502 str = &str[strlen(str) + 1];
2503
2504 if (status == RPC_STATUS_ERROR) {
2505 data->cb(-EFAULT, nfs, command_data, data->private_data);
2506 free_nfs_cb_data(data);
2507 return;
2508 }
2509 if (status == RPC_STATUS_CANCEL) {
2510 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2511 free_nfs_cb_data(data);
2512 return;
2513 }
2514
2515 res = command_data;
2516 if (res->status != NFS3_OK) {
2517 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));
2518 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2519 free_nfs_cb_data(data);
2520 return;
2521 }
2522
2523 data->cb(0, nfs, NULL, data->private_data);
2524 free_nfs_cb_data(data);
2525}
2526
2527static int nfs_mknod_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2528{
2529 struct mknod_cb_data *cb_data = data->continue_data;
2530 char *str = cb_data->path;
b17cb0a2 2531 MKNOD3args args;
4b1ae88a 2532
1ec6b50a
RS		 2533 str = &str[strlen(str) + 1];
2534
b17cb0a2
RS		 2535 args.where.dir = data->fh;
2536 args.where.name = str;
2537 switch (cb_data->mode & S_IFMT) {
2538 case S_IFCHR:
2539 args.what.type = NF3CHR;
2540 args.what.mknoddata3_u.chr_device.dev_attributes.mode.set_it = 1;
2541 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);
2542 args.what.mknoddata3_u.chr_device.spec.specdata1 = cb_data->major;
2543 args.what.mknoddata3_u.chr_device.spec.specdata2 = cb_data->minor;
2544 break;
2545 case S_IFBLK:
2546 args.what.type = NF3BLK;
2547 args.what.mknoddata3_u.blk_device.dev_attributes.mode.set_it = 1;
2548 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);
2549 args.what.mknoddata3_u.blk_device.spec.specdata1 = cb_data->major;
2550 args.what.mknoddata3_u.blk_device.spec.specdata2 = cb_data->minor;
2551 case S_IFSOCK:
2552 args.what.type = NF3SOCK;
2553 args.what.mknoddata3_u.sock_attributes.mode.set_it = 1;
2554 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);
2555 break;
2556 case S_IFIFO:
2557 args.what.type = NF3FIFO;
2558 args.what.mknoddata3_u.pipe_attributes.mode.set_it = 1;
2559 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);
2560 break;
2561 default:
2562 rpc_set_error(nfs->rpc, "Invalid file type for NFS3/MKNOD call");
2563 data->cb(-EINVAL, nfs, rpc_get_error(nfs->rpc), data->private_data);
2564 free_nfs_cb_data(data);
2565 return -1;
2566 }
2567
2568 if (rpc_nfs3_mknod_async(nfs->rpc, nfs_mknod_cb, &args, data) != 0) {
1ec6b50a
RS		 2569 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2570 free_nfs_cb_data(data);
2571 return -1;
2572 }
2573 return 0;
2574}
2575
2576int nfs_mknod_async(struct nfs_context *nfs, const char *path, int mode, int dev, nfs_cb cb, void *private_data)
2577{
2578 char *ptr;
2579 struct mknod_cb_data *cb_data;
2580
2581 cb_data = malloc(sizeof(struct mknod_cb_data));
2582 if (cb_data == NULL) {
2583 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for cb data");
2584 return -1;
2585 }
2586
2587 cb_data->path = strdup(path);
2588 if (cb_data->path == NULL) {
2589 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
4b1ae88a 2590 free(cb_data);
1ec6b50a
RS		 2591 return -1;
2592 }
2593
2594 ptr = strrchr(cb_data->path, '/');
2595 if (ptr == NULL) {
2596 rpc_set_error(nfs->rpc, "Invalid path %s", path);
feb2fc2f 2597 free_mknod_cb_data(cb_data);
1ec6b50a
RS		 2598 return -1;
2599 }
2600 *ptr = 0;
2601
2602 cb_data->mode = mode;
2603 cb_data->major = major(dev);
2604 cb_data->minor = minor(dev);
2605
2606 /* data->path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2607 if (nfs_lookuppath_async(nfs, cb_data->path, cb, private_data, nfs_mknod_continue_internal, cb_data, free_mknod_cb_data, 0) != 0) {
2608 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
1ec6b50a
RS		 2609 return -1;
2610 }
2611
2612 return 0;
2613}
84004dbf 2614
84004dbf
RS		 2615/*
2616 * Async opendir()
2617 */
fb69c64c
RS		 2618
2619/* ReadDirPlus Emulation Callback data */
2620struct rdpe_cb_data {
2621 int getattrcount;
2622 int status;
2623 struct nfs_cb_data *data;
2624};
2625
2626/* ReadDirPlus Emulation LOOKUP Callback data */
2627struct rdpe_lookup_cb_data {
2628 struct rdpe_cb_data *rdpe_cb_data;
2629 struct nfsdirent *nfsdirent;
2630};
2631
2632/* Workaround for servers lacking READDIRPLUS, use READDIR instead and a GETATTR-loop */
f3a75078 2633static void nfs_opendir3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf 2634{
fb69c64c
RS		 2635 LOOKUP3res *res = command_data;
2636 struct rdpe_lookup_cb_data *rdpe_lookup_cb_data = private_data;
2637 struct rdpe_cb_data *rdpe_cb_data = rdpe_lookup_cb_data->rdpe_cb_data;
2638 struct nfs_cb_data *data = rdpe_cb_data->data;
2639 struct nfsdir *nfsdir = data->continue_data;
2640 struct nfs_context *nfs = data->nfs;
2641 struct nfsdirent *nfsdirent = rdpe_lookup_cb_data->nfsdirent;
2642
f3a75078
RS		 2643 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2644
fb69c64c
RS		 2645 free(rdpe_lookup_cb_data);
2646
2647 rdpe_cb_data->getattrcount--;
2648
2649 if (status == RPC_STATUS_ERROR) {
2650 rdpe_cb_data->status = RPC_STATUS_ERROR;
2651 }
2652 if (status == RPC_STATUS_CANCEL) {
2653 rdpe_cb_data->status = RPC_STATUS_CANCEL;
2654 }
2655 if (status == RPC_STATUS_SUCCESS && res->status != NFS3_OK) {
2656 rdpe_cb_data->status = RPC_STATUS_ERROR;
2657 }
2658 if (status == RPC_STATUS_SUCCESS && res->status == NFS3_OK) {
2659 if (res->LOOKUP3res_u.resok.obj_attributes.attributes_follow) {
2660 fattr3 *attributes = &res->LOOKUP3res_u.resok.obj_attributes.post_op_attr_u.attributes;
2661
2662 nfsdirent->type = attributes->type;
2663 nfsdirent->mode = attributes->mode;
2664 nfsdirent->size = attributes->size;
2665
2666 nfsdirent->atime.tv_sec = attributes->atime.seconds;
2667 nfsdirent->atime.tv_usec = attributes->atime.nseconds/1000;
2668 nfsdirent->mtime.tv_sec = attributes->mtime.seconds;
2669 nfsdirent->mtime.tv_usec = attributes->mtime.nseconds/1000;
2670 nfsdirent->ctime.tv_sec = attributes->ctime.seconds;
2671 nfsdirent->ctime.tv_usec = attributes->ctime.nseconds/1000;
7bda8bad
RS		 2672 nfsdirent->uid = attributes->uid;
2673 nfsdirent->gid = attributes->gid;
fb69c64c
RS		 2674 }
2675 }
2676
2677 if (rdpe_cb_data->getattrcount == 0) {
2678 if (rdpe_cb_data->status != RPC_STATUS_SUCCESS) {
2679 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2680 nfs_free_nfsdir(nfsdir);
2681 } else {
2682 data->cb(0, nfs, nfsdir, data->private_data);
2683 }
2684 free(rdpe_cb_data);
2685
2686 data->continue_data = NULL;
2687 free_nfs_cb_data(data);
2688 }
2689}
2690
f3a75078 2691static void nfs_opendir2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
fb69c64c
RS		 2692{
2693 READDIR3res *res = command_data;
84004dbf
RS		 2694 struct nfs_cb_data *data = private_data;
2695 struct nfs_context *nfs = data->nfs;
fb6510bb 2696 struct nfsdir *nfsdir = data->continue_data;
fb69c64c
RS		 2697 struct nfsdirent *nfsdirent;
2698 struct entry3 *entry;
ecbd14a1 2699 uint64_t cookie = 0;
fb69c64c 2700 struct rdpe_cb_data *rdpe_cb_data;
4b1ae88a 2701
f3a75078
RS		 2702 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2703
84004dbf
RS		 2704 if (status == RPC_STATUS_ERROR) {
2705 data->cb(-EFAULT, nfs, command_data, data->private_data);
2706 nfs_free_nfsdir(nfsdir);
2707 data->continue_data = NULL;
2708 free_nfs_cb_data(data);
2709 return;
2710 }
fb69c64c 2711
84004dbf
RS		 2712 if (status == RPC_STATUS_CANCEL) {
2713 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2714 nfs_free_nfsdir(nfsdir);
2715 data->continue_data = NULL;
2716 free_nfs_cb_data(data);
2717 return;
2718 }
2719
84004dbf
RS		 2720 if (res->status != NFS3_OK) {
2721 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));
2722 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2723 nfs_free_nfsdir(nfsdir);
2724 data->continue_data = NULL;
2725 free_nfs_cb_data(data);
2726 return;
fb69c64c
RS		 2727 }
2728
2729 entry =res->READDIR3res_u.resok.reply.entries;
2730 while (entry != NULL) {
2731 nfsdirent = malloc(sizeof(struct nfsdirent));
2732 if (nfsdirent == NULL) {
2733 data->cb(-ENOMEM, nfs, "Failed to allocate dirent", data->private_data);
2734 nfs_free_nfsdir(nfsdir);
2735 data->continue_data = NULL;
2736 free_nfs_cb_data(data);
2737 return;
2738 }
2739 memset(nfsdirent, 0, sizeof(struct nfsdirent));
2740 nfsdirent->name = strdup(entry->name);
2741 if (nfsdirent->name == NULL) {
2742 data->cb(-ENOMEM, nfs, "Failed to allocate dirent->name", data->private_data);
a26bebef 2743 free(nfsdirent);
fb69c64c
RS		 2744 nfs_free_nfsdir(nfsdir);
2745 data->continue_data = NULL;
2746 free_nfs_cb_data(data);
2747 return;
2748 }
2749 nfsdirent->inode = entry->fileid;
2750
2751 nfsdirent->next = nfsdir->entries;
2752 nfsdir->entries = nfsdirent;
2753
2754 cookie = entry->cookie;
2755 entry = entry->nextentry;
2756 }
2757
2758 if (res->READDIR3res_u.resok.reply.eof == 0) {
a64a16a2
RS		 2759 READDIR3args args;
2760
2761 args.dir = data->fh;
2762 args.cookie = cookie;
2452c57f 2763 memcpy(&args.cookieverf, res->READDIR3res_u.resok.cookieverf, sizeof(cookieverf3));
a64a16a2
RS		 2764 args.count = 8192;
2765
2766 if (rpc_nfs3_readdir_async(nfs->rpc, nfs_opendir2_cb, &args, data) != 0) {
fb69c64c
RS		 2767 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR call for %s", data->path);
2768 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2769 nfs_free_nfsdir(nfsdir);
2770 data->continue_data = NULL;
2771 free_nfs_cb_data(data);
2772 return;
2773 }
2774 return;
2775 }
2776
2777 /* steal the dirhandle */
2778 nfsdir->current = nfsdir->entries;
2779
2780 rdpe_cb_data = malloc(sizeof(struct rdpe_cb_data));
2781 rdpe_cb_data->getattrcount = 0;
2782 rdpe_cb_data->status = RPC_STATUS_SUCCESS;
2783 rdpe_cb_data->data = data;
2784 for (nfsdirent = nfsdir->entries; nfsdirent; nfsdirent = nfsdirent->next) {
2785 struct rdpe_lookup_cb_data *rdpe_lookup_cb_data;
463d59bf 2786 LOOKUP3args args;
fb69c64c
RS		 2787
2788 rdpe_lookup_cb_data = malloc(sizeof(struct rdpe_lookup_cb_data));
2789 rdpe_lookup_cb_data->rdpe_cb_data = rdpe_cb_data;
2790 rdpe_lookup_cb_data->nfsdirent = nfsdirent;
2791
463d59bf 2792 memset(&args, 0, sizeof(LOOKUP3args));
2452c57f
RS		 2793 args.what.dir = data->fh;
2794 args.what.name = nfsdirent->name;
463d59bf
RS		 2795
2796 if (rpc_nfs3_lookup_async(nfs->rpc, nfs_opendir3_cb, &args, rdpe_lookup_cb_data) != 0) {
fb69c64c
RS		 2797 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR LOOKUP call");
2798
2799 /* if we have already commands in flight, we cant just stop, we have to wait for the
2800 * commands in flight to complete
2801 */
2802 if (rdpe_cb_data->getattrcount > 0) {
a26bebef
AR		 2803 nfs_free_nfsdir(nfsdir);
2804 data->continue_data = NULL;
2805 free_nfs_cb_data(data);
fb69c64c
RS		 2806 rdpe_cb_data->status = RPC_STATUS_ERROR;
2807 free(rdpe_lookup_cb_data);
2808 return;
2809 }
2810
2811 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2812 nfs_free_nfsdir(nfsdir);
2813 data->continue_data = NULL;
2814 free_nfs_cb_data(data);
2815 free(rdpe_lookup_cb_data);
2816 free(rdpe_cb_data);
2817 return;
2818 }
2819 rdpe_cb_data->getattrcount++;
2820 }
2821}
2822
f3a75078 2823static void nfs_opendir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
fb69c64c
RS		 2824{
2825 READDIRPLUS3res *res = command_data;
2826 struct nfs_cb_data *data = private_data;
2827 struct nfs_context *nfs = data->nfs;
2828 struct nfsdir *nfsdir = data->continue_data;
2829 struct entryplus3 *entry;
ecbd14a1 2830 uint64_t cookie = 0;
4b1ae88a 2831
f3a75078 2832 assert(rpc->magic == RPC_CONTEXT_MAGIC);
fb69c64c
RS		 2833
2834 if (status == RPC_STATUS_ERROR || (status == RPC_STATUS_SUCCESS && res->status == NFS3ERR_NOTSUPP) ){
a64a16a2
RS		 2835 READDIR3args args;
2836
2837 args.dir = data->fh;
2838 args.cookie = cookie;
2452c57f 2839 memset(&args.cookieverf, 0, sizeof(cookieverf3));
a64a16a2 2840 args.count = 8192;
fb69c64c 2841
a64a16a2 2842 if (rpc_nfs3_readdir_async(nfs->rpc, nfs_opendir2_cb, &args, data) != 0) {
fb69c64c
RS		 2843 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR call for %s", data->path);
2844 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2845 nfs_free_nfsdir(nfsdir);
2846 data->continue_data = NULL;
2847 free_nfs_cb_data(data);
2848 return;
2849 }
2850 return;
2851 }
2852
2853 if (status == RPC_STATUS_CANCEL) {
2854 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2855 nfs_free_nfsdir(nfsdir);
2856 data->continue_data = NULL;
2857 free_nfs_cb_data(data);
2858 return;
2859 }
2860
2861 if (res->status != NFS3_OK) {
2862 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));
2863 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2864 nfs_free_nfsdir(nfsdir);
2865 data->continue_data = NULL;
2866 free_nfs_cb_data(data);
2867 return;
84004dbf
RS		 2868 }
2869
f390f181 2870 entry =res->READDIRPLUS3res_u.resok.reply.entries;
84004dbf
RS		 2871 while (entry != NULL) {
2872 struct nfsdirent *nfsdirent;
2873
2874 nfsdirent = malloc(sizeof(struct nfsdirent));
2875 if (nfsdirent == NULL) {
2876 data->cb(-ENOMEM, nfs, "Failed to allocate dirent", data->private_data);
2877 nfs_free_nfsdir(nfsdir);
2878 data->continue_data = NULL;
2879 free_nfs_cb_data(data);
2880 return;
2881 }
ea98629a 2882 memset(nfsdirent, 0, sizeof(struct nfsdirent));
84004dbf
RS		 2883 nfsdirent->name = strdup(entry->name);
2884 if (nfsdirent->name == NULL) {
2885 data->cb(-ENOMEM, nfs, "Failed to allocate dirent->name", data->private_data);
b2fc5c54 2886 free(nfsdirent);
84004dbf
RS		 2887 nfs_free_nfsdir(nfsdir);
2888 data->continue_data = NULL;
2889 free_nfs_cb_data(data);
2890 return;
2891 }
2892 nfsdirent->inode = entry->fileid;
0804e67d
RS		 2893 if (entry->name_attributes.attributes_follow) {
2894 nfsdirent->type = entry->name_attributes.post_op_attr_u.attributes.type;
2895 nfsdirent->mode = entry->name_attributes.post_op_attr_u.attributes.mode;
2896 nfsdirent->size = entry->name_attributes.post_op_attr_u.attributes.size;
2897
2898 nfsdirent->atime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.atime.seconds;
2899 nfsdirent->atime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.atime.nseconds/1000;
2900 nfsdirent->mtime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.mtime.seconds;
2901 nfsdirent->mtime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.mtime.nseconds/1000;
2902 nfsdirent->ctime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.ctime.seconds;
2903 nfsdirent->ctime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.ctime.nseconds/1000;
7bda8bad
RS		 2904 nfsdirent->uid = entry->name_attributes.post_op_attr_u.attributes.uid;
2905 nfsdirent->gid = entry->name_attributes.post_op_attr_u.attributes.gid;
0804e67d
RS		 2906 }
2907
84004dbf
RS		 2908 nfsdirent->next = nfsdir->entries;
2909 nfsdir->entries = nfsdirent;
2910
2911 cookie = entry->cookie;
2912 entry = entry->nextentry;
2913 }
2914
f390f181 2915 if (res->READDIRPLUS3res_u.resok.reply.eof == 0) {
1a5b83c9
RS		 2916 READDIRPLUS3args args;
2917
2918 args.dir = data->fh;
2919 args.cookie = cookie;
2920 memcpy(&args.cookieverf, res->READDIRPLUS3res_u.resok.cookieverf, sizeof(cookieverf3));
2921 args.dircount = 8192;
2922 args.maxcount = 8192;
2923
2924 if (rpc_nfs3_readdirplus_async(nfs->rpc, nfs_opendir_cb, &args, data) != 0) {
f390f181 2925 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIRPLUS call for %s", data->path);
84004dbf
RS		 2926 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2927 nfs_free_nfsdir(nfsdir);
2928 data->continue_data = NULL;
2929 free_nfs_cb_data(data);
2930 return;
2931 }
2932 return;
2933 }
2934
2935 /* steal the dirhandle */
2936 data->continue_data = NULL;
2937 nfsdir->current = nfsdir->entries;
2938
2939 data->cb(0, nfs, nfsdir, data->private_data);
2940 free_nfs_cb_data(data);
2941}
2942
2943static int nfs_opendir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2944{
1a5b83c9 2945 READDIRPLUS3args args;
84004dbf 2946
1a5b83c9
RS		 2947 args.dir = data->fh;
2948 args.cookie = 0;
2949 memset(&args.cookieverf, 0, sizeof(cookieverf3));
2950 args.dircount = 8192;
2951 args.maxcount = 8192;
2952 if (rpc_nfs3_readdirplus_async(nfs->rpc, nfs_opendir_cb, &args, data) != 0) {
f390f181 2953 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIRPLUS call for %s", data->path);
84004dbf
RS		 2954 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2955 free_nfs_cb_data(data);
2956 return -1;
2957 }
2958 return 0;
2959}
2960
2961int nfs_opendir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
2962{
2963 struct nfsdir *nfsdir;
2964
2965 nfsdir = malloc(sizeof(struct nfsdir));
2966 if (nfsdir == NULL) {
cbbf9d3e 2967 rpc_set_error(nfs->rpc, "failed to allocate buffer for nfsdir");
84004dbf
RS		 2968 return -1;
2969 }
ea98629a 2970 memset(nfsdir, 0, sizeof(struct nfsdir));
84004dbf
RS		 2971
2972 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_opendir_continue_internal, nfsdir, free, 0) != 0) {
cbbf9d3e
RS		 2973 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2974 return -1;
84004dbf
RS		 2975 }
2976
2977 return 0;
2978}
2979
2980
2981struct nfsdirent *nfs_readdir(struct nfs_context *nfs _U_, struct nfsdir *nfsdir)
2982{
2983 struct nfsdirent *nfsdirent = nfsdir->current;
2984
2985 if (nfsdir->current != NULL) {
2986 nfsdir->current = nfsdir->current->next;
2987 }
2988 return nfsdirent;
2989}
2990
2991
f893b680
RS		 2992/*
2993 * closedir()
2994 */
84004dbf
RS		 2995void nfs_closedir(struct nfs_context *nfs _U_, struct nfsdir *nfsdir)
2996{
2997 nfs_free_nfsdir(nfsdir);
2998}
2999
3000
f893b680
RS		 3001/*
3002 * getcwd()
3003 */
3004void nfs_getcwd(struct nfs_context *nfs, const char **cwd)
3005{
3006 if (cwd) {
3007 *cwd = nfs->cwd;
3008 }
3009}
84004dbf
RS		 3010
3011
3012/*
3013 * Async lseek()
3014 */
3015struct lseek_cb_data {
3016 struct nfs_context *nfs;
3017 struct nfsfh *nfsfh;
183451cf 3018 uint64_t offset;
84004dbf
RS		 3019 nfs_cb cb;
3020 void *private_data;
3021};
3022
f3a75078 3023static void nfs_lseek_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3024{
3025 GETATTR3res *res;
3026 struct lseek_cb_data *data = private_data;
3027 struct nfs_context *nfs = data->nfs;
3028
f3a75078
RS		 3029 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3030
84004dbf
RS		 3031 if (status == RPC_STATUS_ERROR) {
3032 data->cb(-EFAULT, nfs, command_data, data->private_data);
3033 free(data);
3034 return;
3035 }
3036 if (status == RPC_STATUS_CANCEL) {
3037 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3038 free(data);
3039 return;
3040 }
3041
3042 res = command_data;
3043 if (res->status != NFS3_OK) {
3044 rpc_set_error(nfs->rpc, "NFS: GETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
3045 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3046 free(data);
3047 return;
3048 }
3049
3050 data->nfsfh->offset = data->offset + res->GETATTR3res_u.resok.obj_attributes.size;
3051 data->cb(0, nfs, &data->nfsfh->offset, data->private_data);
3052 free(data);
3053}
3054
183451cf 3055int nfs_lseek_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t offset, int whence, nfs_cb cb, void *private_data)
84004dbf
RS		 3056{
3057 struct lseek_cb_data *data;
463d59bf 3058 struct GETATTR3args args;
84004dbf
RS		 3059
3060 if (whence == SEEK_SET) {
3061 nfsfh->offset = offset;
3062 cb(0, nfs, &nfsfh->offset, private_data);
3063 return 0;
3064 }
3065 if (whence == SEEK_CUR) {
3066 nfsfh->offset += offset;
3067 cb(0, nfs, &nfsfh->offset, private_data);
3068 return 0;
3069 }
3070
3071 data = malloc(sizeof(struct lseek_cb_data));
3072 if (data == NULL) {
3073 rpc_set_error(nfs->rpc, "Out Of Memory: Failed to malloc lseek cb data");
3074 return -1;
3075 }
3076
3077 data->nfs = nfs;
3078 data->nfsfh = nfsfh;
3079 data->offset = offset;
3080 data->cb = cb;
3081 data->private_data = private_data;
3082
463d59bf 3083 memset(&args, 0, sizeof(GETATTR3args));
2452c57f 3084 args.object = nfsfh->fh;
463d59bf
RS		 3085
3086 if (rpc_nfs3_getattr_async(nfs->rpc, nfs_lseek_1_cb, &args, data) != 0) {
84004dbf
RS		 3087 rpc_set_error(nfs->rpc, "RPC error: Failed to send LSEEK GETATTR call");
3088 free(data);
cbbf9d3e 3089 return -1;
84004dbf
RS		 3090 }
3091 return 0;
3092}
3093
3094
3095
3096
3097/*
3098 * Async statvfs()
3099 */
f3a75078 3100static void nfs_statvfs_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3101{
3102 FSSTAT3res *res;
3103 struct nfs_cb_data *data = private_data;
3104 struct nfs_context *nfs = data->nfs;
3105 struct statvfs svfs;
3106
f3a75078
RS		 3107 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3108
84004dbf
RS		 3109 if (status == RPC_STATUS_ERROR) {
3110 data->cb(-EFAULT, nfs, command_data, data->private_data);
3111 free_nfs_cb_data(data);
3112 return;
3113 }
3114 if (status == RPC_STATUS_CANCEL) {
3115 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3116 free_nfs_cb_data(data);
3117 return;
3118 }
3119
3120 res = command_data;
3121 if (res->status != NFS3_OK) {
3122 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));
3123 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3124 free_nfs_cb_data(data);
3125 return;
3126 }
3127
3128 svfs.f_bsize = 4096;
3129 svfs.f_frsize = 4096;
3130 svfs.f_blocks = res->FSSTAT3res_u.resok.tbytes/4096;
3131 svfs.f_bfree = res->FSSTAT3res_u.resok.fbytes/4096;
3132 svfs.f_bavail = res->FSSTAT3res_u.resok.abytes/4096;
3133 svfs.f_files = res->FSSTAT3res_u.resok.tfiles;
3134 svfs.f_ffree = res->FSSTAT3res_u.resok.ffiles;
252aa90d 3135#if !defined(ANDROID)
84004dbf
RS		 3136 svfs.f_favail = res->FSSTAT3res_u.resok.afiles;
3137 svfs.f_fsid = 0;
3138 svfs.f_flag = 0;
3139 svfs.f_namemax = 256;
252aa90d 3140#endif
84004dbf
RS		 3141
3142 data->cb(0, nfs, &svfs, data->private_data);
3143 free_nfs_cb_data(data);
3144}
3145
3146static int nfs_statvfs_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3147{
0249c17b
RS		 3148 FSSTAT3args args;
3149
3150 args.fsroot = data->fh;
3151 if (rpc_nfs3_fsstat_async(nfs->rpc, nfs_statvfs_1_cb, &args, data) != 0) {
84004dbf
RS		 3152 rpc_set_error(nfs->rpc, "RPC error: Failed to send FSSTAT call for %s", data->path);
3153 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3154 free_nfs_cb_data(data);
3155 return -1;
3156 }
3157 return 0;
3158}
3159
3160int nfs_statvfs_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
3161{
3162 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_statvfs_continue_internal, NULL, NULL, 0) != 0) {
cbbf9d3e 3163 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3164 return -1;
3165 }
3166
3167 return 0;
3168}
3169
3170
3171
3172
3173/*
3174 * Async readlink()
3175 */
f3a75078 3176static void nfs_readlink_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3177{
3178 READLINK3res *res;
3179 struct nfs_cb_data *data = private_data;
3180 struct nfs_context *nfs = data->nfs;
3181
f3a75078
RS		 3182 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3183
84004dbf
RS		 3184 if (status == RPC_STATUS_ERROR) {
3185 data->cb(-EFAULT, nfs, command_data, data->private_data);
3186 free_nfs_cb_data(data);
3187 return;
3188 }
3189 if (status == RPC_STATUS_CANCEL) {
3190 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3191 free_nfs_cb_data(data);
3192 return;
3193 }
3194
3195 res = command_data;
3196 if (res->status != NFS3_OK) {
3197 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));
3198 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3199 free_nfs_cb_data(data);
3200 return;
3201 }
3202
4b1ae88a 3203
84004dbf
RS		 3204 data->cb(0, nfs, res->READLINK3res_u.resok.data, data->private_data);
3205 free_nfs_cb_data(data);
3206}
3207
3208static int nfs_readlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3209{
16104b27
RS		 3210 READLINK3args args;
3211
2452c57f 3212 args.symlink = data->fh;
16104b27 3213
7cd23ccc 3214 if (rpc_nfs3_readlink_async(nfs->rpc, nfs_readlink_1_cb, &args, data) != 0) {
84004dbf
RS		 3215 rpc_set_error(nfs->rpc, "RPC error: Failed to send READLINK call for %s", data->path);
3216 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3217 free_nfs_cb_data(data);
3218 return -1;
3219 }
3220 return 0;
3221}
3222
3223int nfs_readlink_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
3224{
3225 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_readlink_continue_internal, NULL, NULL, 0) != 0) {
cbbf9d3e 3226 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3227 return -1;
3228 }
3229
3230 return 0;
3231}
3232
3233
3234
3235
3236/*
3237 * Async chmod()
3238 */
f3a75078 3239static void nfs_chmod_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3240{
3241 struct nfs_cb_data *data = private_data;
3242 struct nfs_context *nfs = data->nfs;
3243 SETATTR3res *res;
3244
f3a75078
RS		 3245 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3246
84004dbf
RS		 3247 if (status == RPC_STATUS_ERROR) {
3248 data->cb(-EFAULT, nfs, command_data, data->private_data);
3249 free_nfs_cb_data(data);
3250 return;
3251 }
3252 if (status == RPC_STATUS_CANCEL) {
3253 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3254 free_nfs_cb_data(data);
3255 return;
3256 }
3257
3258 res = command_data;
3259 if (res->status != NFS3_OK) {
3260 rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
3261 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3262 free_nfs_cb_data(data);
3263 return;
3264 }
3265
3266 data->cb(0, nfs, NULL, data->private_data);
3267 free_nfs_cb_data(data);
3268}
3269
3270static int nfs_chmod_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3271{
3272 SETATTR3args args;
3273
ea98629a 3274 memset(&args, 0, sizeof(SETATTR3args));
2452c57f 3275 args.object = data->fh;
84004dbf
RS		 3276 args.new_attributes.mode.set_it = 1;
3277 args.new_attributes.mode.set_mode3_u.mode = data->continue_int;
3278
b701254d 3279 if (rpc_nfs3_setattr_async(nfs->rpc, nfs_chmod_cb, &args, data) != 0) {
84004dbf
RS		 3280 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
3281 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3282 free_nfs_cb_data(data);
3283 return -1;
3284 }
3285 return 0;
3286}
3287
3288
3289int nfs_chmod_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data)
3290{
3291 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_chmod_continue_internal, NULL, NULL, mode) != 0) {
cbbf9d3e 3292 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3293 return -1;
3294 }
3295
3296 return 0;
3297}
3298
3299/*
3300 * Async fchmod()
3301 */
3302int nfs_fchmod_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int mode, nfs_cb cb, void *private_data)
3303{
3304 struct nfs_cb_data *data;
3305
3306 data = malloc(sizeof(struct nfs_cb_data));
3307 if (data == NULL) {
cbbf9d3e 3308 rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for nfs mount data");
84004dbf
RS		 3309 return -1;
3310 }
ea98629a 3311 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 3312 data->nfs = nfs;
3313 data->cb = cb;
3314 data->private_data = private_data;
3315 data->continue_int = mode;
3316 data->fh.data.data_len = nfsfh->fh.data.data_len;
3317 data->fh.data.data_val = malloc(data->fh.data.data_len);
3318 if (data->fh.data.data_val == NULL) {
3319 rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh");
3320 free_nfs_cb_data(data);
3321 return -1;
3322 }
3323 memcpy(data->fh.data.data_val, nfsfh->fh.data.data_val, data->fh.data.data_len);
3324
3325 if (nfs_chmod_continue_internal(nfs, data) != 0) {
84004dbf
RS		 3326 return -1;
3327 }
3328
3329 return 0;
3330}
3331
3332
3333
3334/*
3335 * Async chown()
3336 */
f3a75078 3337static void nfs_chown_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3338{
3339 struct nfs_cb_data *data = private_data;
3340 struct nfs_context *nfs = data->nfs;
3341 SETATTR3res *res;
3342
f3a75078
RS		 3343 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3344
84004dbf
RS		 3345 if (status == RPC_STATUS_ERROR) {
3346 data->cb(-EFAULT, nfs, command_data, data->private_data);
3347 free_nfs_cb_data(data);
3348 return;
3349 }
3350 if (status == RPC_STATUS_CANCEL) {
3351 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3352 free_nfs_cb_data(data);
3353 return;
3354 }
3355
3356 res = command_data;
3357 if (res->status != NFS3_OK) {
3358 rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
3359 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3360 free_nfs_cb_data(data);
3361 return;
3362 }
3363
3364 data->cb(0, nfs, NULL, data->private_data);
3365 free_nfs_cb_data(data);
3366}
3367
3368struct nfs_chown_data {
3369 uid_t uid;
3370 gid_t gid;
3371};
3372
3373static int nfs_chown_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3374{
3375 SETATTR3args args;
3376 struct nfs_chown_data *chown_data = data->continue_data;
3377
ea98629a 3378 memset(&args, 0, sizeof(SETATTR3args));
2452c57f 3379 args.object = data->fh;
84004dbf
RS		 3380 if (chown_data->uid != (uid_t)-1) {
3381 args.new_attributes.uid.set_it = 1;
3382 args.new_attributes.uid.set_uid3_u.uid = chown_data->uid;
3383 }
3384 if (chown_data->gid != (gid_t)-1) {
3385 args.new_attributes.gid.set_it = 1;
3386 args.new_attributes.gid.set_gid3_u.gid = chown_data->gid;
3387 }
3388
b701254d 3389 if (rpc_nfs3_setattr_async(nfs->rpc, nfs_chown_cb, &args, data) != 0) {
84004dbf
RS		 3390 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
3391 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3392 free_nfs_cb_data(data);
3393 return -1;
3394 }
3395 return 0;
3396}
3397
3398
3399int nfs_chown_async(struct nfs_context *nfs, const char *path, int uid, int gid, nfs_cb cb, void *private_data)
3400{
3401 struct nfs_chown_data *chown_data;
3402
3403 chown_data = malloc(sizeof(struct nfs_chown_data));
3404 if (chown_data == NULL) {
cbbf9d3e 3405 rpc_set_error(nfs->rpc, "Failed to allocate memory for chown data structure");
84004dbf
RS		 3406 return -1;
3407 }
3408
3409 chown_data->uid = uid;
3410 chown_data->gid = gid;
3411
3412 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_chown_continue_internal, chown_data, free, 0) != 0) {
cbbf9d3e 3413 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3414 return -1;
3415 }
3416
3417 return 0;
3418}
3419
3420
3421/*
3422 * Async fchown()
3423 */
3424int nfs_fchown_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int uid, int gid, nfs_cb cb, void *private_data)
3425{
3426 struct nfs_cb_data *data;
3427 struct nfs_chown_data *chown_data;
3428
3429 chown_data = malloc(sizeof(struct nfs_chown_data));
3430 if (chown_data == NULL) {
cbbf9d3e 3431 rpc_set_error(nfs->rpc, "Failed to allocate memory for chown data structure");
84004dbf
RS		 3432 return -1;
3433 }
3434
3435 chown_data->uid = uid;
3436 chown_data->gid = gid;
3437
84004dbf
RS		 3438 data = malloc(sizeof(struct nfs_cb_data));
3439 if (data == NULL) {
cbbf9d3e 3440 rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for fchown data");
b6619d88 3441 free(chown_data);
84004dbf
RS		 3442 return -1;
3443 }
ea98629a 3444 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 3445 data->nfs = nfs;
3446 data->cb = cb;
3447 data->private_data = private_data;
3448 data->continue_data = chown_data;
6b1f14ca 3449 data->free_continue_data = free;
84004dbf
RS		 3450 data->fh.data.data_len = nfsfh->fh.data.data_len;
3451 data->fh.data.data_val = malloc(data->fh.data.data_len);
3452 if (data->fh.data.data_val == NULL) {
3453 rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh");
3454 free_nfs_cb_data(data);
3455 return -1;
3456 }
3457 memcpy(data->fh.data.data_val, nfsfh->fh.data.data_val, data->fh.data.data_len);
3458
84004dbf 3459 if (nfs_chown_continue_internal(nfs, data) != 0) {
84004dbf
RS		 3460 return -1;
3461 }
3462
3463 return 0;
3464}
3465
3466
3467
3468
3469
3470/*
3471 * Async utimes()
3472 */
f3a75078 3473static void nfs_utimes_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3474{
3475 struct nfs_cb_data *data = private_data;
3476 struct nfs_context *nfs = data->nfs;
3477 SETATTR3res *res;
3478
f3a75078
RS		 3479 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3480
84004dbf
RS		 3481 if (status == RPC_STATUS_ERROR) {
3482 data->cb(-EFAULT, nfs, command_data, data->private_data);
3483 free_nfs_cb_data(data);
3484 return;
3485 }
3486 if (status == RPC_STATUS_CANCEL) {
3487 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3488 free_nfs_cb_data(data);
3489 return;
3490 }
3491
3492 res = command_data;
3493 if (res->status != NFS3_OK) {
3494 rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
3495 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3496 free_nfs_cb_data(data);
3497 return;
3498 }
3499
3500 data->cb(0, nfs, NULL, data->private_data);
3501 free_nfs_cb_data(data);
3502}
3503
3504static int nfs_utimes_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3505{
3506 SETATTR3args args;
3507 struct timeval *utimes_data = data->continue_data;
3508
ea98629a 3509 memset(&args, 0, sizeof(SETATTR3args));
2452c57f 3510 args.object = data->fh;
84004dbf
RS		 3511 if (utimes_data != NULL) {
3512 args.new_attributes.atime.set_it = SET_TO_CLIENT_TIME;
3513 args.new_attributes.atime.set_atime_u.atime.seconds = utimes_data[0].tv_sec;
3514 args.new_attributes.atime.set_atime_u.atime.nseconds = utimes_data[0].tv_usec * 1000;
3515 args.new_attributes.mtime.set_it = SET_TO_CLIENT_TIME;
3516 args.new_attributes.mtime.set_mtime_u.mtime.seconds = utimes_data[1].tv_sec;
3517 args.new_attributes.mtime.set_mtime_u.mtime.nseconds = utimes_data[1].tv_usec * 1000;
3518 } else {
3519 args.new_attributes.atime.set_it = SET_TO_SERVER_TIME;
3520 args.new_attributes.mtime.set_it = SET_TO_SERVER_TIME;
3521 }
3522
b701254d 3523 if (rpc_nfs3_setattr_async(nfs->rpc, nfs_utimes_cb, &args, data) != 0) {
84004dbf
RS		 3524 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
3525 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3526 free_nfs_cb_data(data);
3527 return -1;
3528 }
3529 return 0;
3530}
3531
3532
3533int nfs_utimes_async(struct nfs_context *nfs, const char *path, struct timeval *times, nfs_cb cb, void *private_data)
3534{
3535 struct timeval *new_times = NULL;
3536
3537 if (times != NULL) {
3538 new_times = malloc(sizeof(struct timeval)*2);
3539 if (new_times == NULL) {
cbbf9d3e 3540 rpc_set_error(nfs->rpc, "Failed to allocate memory for timeval structure");
84004dbf
RS		 3541 return -1;
3542 }
3543
3544 memcpy(new_times, times, sizeof(struct timeval)*2);
3545 }
3546
3547 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_utimes_continue_internal, new_times, free, 0) != 0) {
cbbf9d3e 3548 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3549 return -1;
3550 }
3551
3552 return 0;
3553}
3554
3555/*
3556 * Async utime()
3557 */
3558int nfs_utime_async(struct nfs_context *nfs, const char *path, struct utimbuf *times, nfs_cb cb, void *private_data)
3559{
3560 struct timeval *new_times = NULL;
3561
3562 if (times != NULL) {
3563 new_times = malloc(sizeof(struct timeval)*2);
3564 if (new_times == NULL) {
cbbf9d3e 3565 rpc_set_error(nfs->rpc, "Failed to allocate memory for timeval structure");
84004dbf
RS		 3566 return -1;
3567 }
3568
3569 new_times[0].tv_sec = times->actime;
3570 new_times[0].tv_usec = 0;
3571 new_times[1].tv_sec = times->modtime;
3572 new_times[1].tv_usec = 0;
3573 }
3574
3575 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_utimes_continue_internal, new_times, free, 0) != 0) {
cbbf9d3e 3576 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3577 return -1;
3578 }
3579
3580 return 0;
3581}
84004dbf
RS		 3582
3583
3584/*
3585 * Async access()
3586 */
f3a75078 3587static void nfs_access_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3588{
3589 ACCESS3res *res;
3590 struct nfs_cb_data *data = private_data;
3591 struct nfs_context *nfs = data->nfs;
3592 unsigned int nfsmode = 0;
3593
f3a75078
RS		 3594 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3595
84004dbf
RS		 3596 if (status == RPC_STATUS_ERROR) {
3597 data->cb(-EFAULT, nfs, command_data, data->private_data);
3598 free_nfs_cb_data(data);
3599 return;
3600 }
3601 if (status == RPC_STATUS_CANCEL) {
3602 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3603 free_nfs_cb_data(data);
3604 return;
3605 }
3606
3607 res = command_data;
3608 if (res->status != NFS3_OK) {
3609 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));
3610 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3611 free_nfs_cb_data(data);
3612 return;
3613 }
3614
3615 if (data->continue_int & R_OK) {
3616 nfsmode |= ACCESS3_READ;
3617 }
3618 if (data->continue_int & W_OK) {
3619 nfsmode |= ACCESS3_MODIFY;
3620 }
3621 if (data->continue_int & X_OK) {
3622 nfsmode |= ACCESS3_EXECUTE;
3623 }
3624
3625 if (res->ACCESS3res_u.resok.access != nfsmode) {
3626 rpc_set_error(nfs->rpc, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c",
3627 nfsmode&ACCESS3_READ?'r':'-',
3628 nfsmode&ACCESS3_MODIFY?'w':'-',
3629 nfsmode&ACCESS3_EXECUTE?'x':'-',
3630 res->ACCESS3res_u.resok.access&ACCESS3_READ?'r':'-',
3631 res->ACCESS3res_u.resok.access&ACCESS3_MODIFY?'w':'-',
3632 res->ACCESS3res_u.resok.access&ACCESS3_EXECUTE?'x':'-');
3633 data->cb(-EACCES, nfs, rpc_get_error(nfs->rpc), data->private_data);
3634 free_nfs_cb_data(data);
3635 return;
3636 }
3637
3638 data->cb(0, nfs, NULL, data->private_data);
3639 free_nfs_cb_data(data);
3640}
3641
3642static int nfs_access_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3643{
3644 int nfsmode = 0;
463d59bf 3645 ACCESS3args args;
84004dbf
RS		 3646
3647 if (data->continue_int & R_OK) {
3648 nfsmode |= ACCESS3_READ;
3649 }
3650 if (data->continue_int & W_OK) {
3651 nfsmode |= ACCESS3_MODIFY;
3652 }
3653 if (data->continue_int & X_OK) {
3654 nfsmode |= ACCESS3_EXECUTE;
3655 }
3656
463d59bf 3657 memset(&args, 0, sizeof(ACCESS3args));
2452c57f 3658 args.object = data->fh;
463d59bf
RS		 3659 args.access = nfsmode;
3660
3661 if (rpc_nfs3_access_async(nfs->rpc, nfs_access_cb, &args, data) != 0) {
84004dbf
RS		 3662 rpc_set_error(nfs->rpc, "RPC error: Failed to send OPEN ACCESS call for %s", data->path);
3663 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3664 free_nfs_cb_data(data);
3665 return -1;
3666 }
3667 return 0;
3668}
3669
3670int nfs_access_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data)
3671{
3672 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_access_continue_internal, NULL, NULL, mode) != 0) {
cbbf9d3e
RS		 3673 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
3674 return -1;
84004dbf
RS		 3675 }
3676
3677 return 0;
3678}
3679
3680
3681
3682/*
3683 * Async symlink()
3684 */
3685struct nfs_symlink_data {
3686 char *oldpath;
3687 char *newpathparent;
3688 char *newpathobject;
3689};
3690
3691static void free_nfs_symlink_data(void *mem)
3692{
3693 struct nfs_symlink_data *data = mem;
3694
3695 if (data->oldpath != NULL) {
3696 free(data->oldpath);
3697 }
3698 if (data->newpathparent != NULL) {
3699 free(data->newpathparent);
3700 }
3701 if (data->newpathobject != NULL) {
3702 free(data->newpathobject);
3703 }
3704 free(data);
3705}
3706
f3a75078 3707static void nfs_symlink_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3708{
3709 SYMLINK3res *res;
3710 struct nfs_cb_data *data = private_data;
3711 struct nfs_context *nfs = data->nfs;
3712 struct nfs_symlink_data *symlink_data = data->continue_data;
4b1ae88a 3713
f3a75078
RS		 3714 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3715
84004dbf
RS		 3716 if (status == RPC_STATUS_ERROR) {
3717 data->cb(-EFAULT, nfs, command_data, data->private_data);
3718 free_nfs_cb_data(data);
3719 return;
3720 }
3721 if (status == RPC_STATUS_CANCEL) {
3722 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3723 free_nfs_cb_data(data);
3724 return;
3725 }
3726
3727 res = command_data;
3728 if (res->status != NFS3_OK) {
3729 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));
3730 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3731 free_nfs_cb_data(data);
3732 return;
3733 }
3734
3735 data->cb(0, nfs, NULL, data->private_data);
3736 free_nfs_cb_data(data);
3737}
3738
3739static int nfs_symlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3740{
3741 struct nfs_symlink_data *symlink_data = data->continue_data;
87f81c85 3742 SYMLINK3args args;
84004dbf 3743
87f81c85 3744 memset(&args, 0, sizeof(SYMLINK3args));
2452c57f 3745 args.where.dir = data->fh;
87f81c85
RS		 3746 args.where.name = symlink_data->newpathobject;
3747 args.symlink.symlink_attributes.mode.set_it = 1;
3748 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;
3749 args.symlink.symlink_data = symlink_data->oldpath;
8e255816 3750
87f81c85 3751 if (rpc_nfs3_symlink_async(nfs->rpc, nfs_symlink_cb, &args, data) != 0) {
84004dbf
RS		 3752 rpc_set_error(nfs->rpc, "RPC error: Failed to send SYMLINK call for %s", data->path);
3753 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3754 free_nfs_cb_data(data);
3755 return -1;
3756 }
3757 return 0;
3758}
3759
3760int nfs_symlink_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data)
3761{
3762 char *ptr;
3763 struct nfs_symlink_data *symlink_data;
3764
3765 symlink_data = malloc(sizeof(struct nfs_symlink_data));
3766 if (symlink_data == NULL) {
cbbf9d3e 3767 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for symlink data");
84004dbf
RS		 3768 return -1;
3769 }
ea98629a 3770 memset(symlink_data, 0, sizeof(struct nfs_symlink_data));
84004dbf
RS		 3771
3772 symlink_data->oldpath = strdup(oldpath);
3773 if (symlink_data->oldpath == NULL) {
cbbf9d3e 3774 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath");
84004dbf 3775 free_nfs_symlink_data(symlink_data);
cbbf9d3e 3776 return -1;
84004dbf
RS		 3777 }
3778
3779 symlink_data->newpathparent = strdup(newpath);
3780 if (symlink_data->newpathparent == NULL) {
cbbf9d3e 3781 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for new path");
84004dbf 3782 free_nfs_symlink_data(symlink_data);
cbbf9d3e 3783 return -1;
84004dbf
RS		 3784 }
3785
93e9306f 3786 ptr = strrchr(symlink_data->newpathparent, '/');
84004dbf 3787 if (ptr == NULL) {
cbbf9d3e 3788 rpc_set_error(nfs->rpc, "Invalid path %s", oldpath);
84004dbf 3789 free_nfs_symlink_data(symlink_data);
cbbf9d3e 3790 return -1;
84004dbf
RS		 3791 }
3792 *ptr = 0;
3793 ptr++;
3794
3795 symlink_data->newpathobject = strdup(ptr);
3796 if (symlink_data->newpathobject == NULL) {
cbbf9d3e 3797 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for new path");
84004dbf 3798 free_nfs_symlink_data(symlink_data);
cbbf9d3e 3799 return -1;
84004dbf
RS		 3800 }
3801
3802 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		 3803 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
3804 return -1;
84004dbf
RS		 3805 }
3806
3807 return 0;
3808}
3809
3810
3811
3812/*
3813 * Async rename()
3814 */
3815struct nfs_rename_data {
3816 char *oldpath;
3817 char *oldobject;
3818 struct nfs_fh3 olddir;
3819 char *newpath;
3820 char *newobject;
3821 struct nfs_fh3 newdir;
3822};
3823
3824static void free_nfs_rename_data(void *mem)
3825{
3826 struct nfs_rename_data *data = mem;
3827
3828 if (data->oldpath != NULL) {
3829 free(data->oldpath);
3830 }
3831 if (data->olddir.data.data_val != NULL) {
3832 free(data->olddir.data.data_val);
3833 }
3834 if (data->newpath != NULL) {
3835 free(data->newpath);
3836 }
3837 if (data->newdir.data.data_val != NULL) {
3838 free(data->newdir.data.data_val);
3839 }
3840 free(data);
3841}
3842
f3a75078 3843static void nfs_rename_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3844{
3845 RENAME3res *res;
3846 struct nfs_cb_data *data = private_data;
3847 struct nfs_context *nfs = data->nfs;
3848 struct nfs_rename_data *rename_data = data->continue_data;
4b1ae88a 3849
f3a75078
RS		 3850 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3851
84004dbf
RS		 3852 if (status == RPC_STATUS_ERROR) {
3853 data->cb(-EFAULT, nfs, command_data, data->private_data);
3854 free_nfs_cb_data(data);
3855 return;
3856 }
3857 if (status == RPC_STATUS_CANCEL) {
3858 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3859 free_nfs_cb_data(data);
3860 return;
3861 }
3862
3863 res = command_data;
3864 if (res->status != NFS3_OK) {
3865 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));
3866 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3867 free_nfs_cb_data(data);
3868 return;
3869 }
3870
3871 data->cb(0, nfs, NULL, data->private_data);
3872 free_nfs_cb_data(data);
3873}
3874
3875static int nfs_rename_continue_2_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3876{
3877 struct nfs_rename_data *rename_data = data->continue_data;
5940c705 3878 RENAME3args args;
84004dbf
RS		 3879
3880 /* steal the filehandle */
2452c57f 3881 rename_data->newdir = data->fh;
84004dbf
RS		 3882 data->fh.data.data_val = NULL;
3883
5940c705
RS		 3884 args.from.dir = rename_data->olddir;
3885 args.from.name = rename_data->oldobject;
3886 args.to.dir = rename_data->newdir;
3887 args.to.name = rename_data->newobject;
3888 if (rpc_nfs3_rename_async(nfs->rpc, nfs_rename_cb, &args, data) != 0) {
84004dbf
RS		 3889 rpc_set_error(nfs->rpc, "RPC error: Failed to send RENAME call for %s", data->path);
3890 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3891 free_nfs_cb_data(data);
3892 return -1;
3893 }
3894 return 0;
3895}
3896
3897
3898static int nfs_rename_continue_1_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3899{
3900 struct nfs_rename_data *rename_data = data->continue_data;
766bb4af
AR		 3901 char* newpath = strdup(rename_data->newpath);
3902 if (!newpath) {
3903 rpc_set_error(nfs->rpc, "Out of memory. Could not allocate memory to store target path for rename");
3904 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3905 free_nfs_cb_data(data);
3906 return -1;
3907 }
84004dbf
RS		 3908
3909 /* steal the filehandle */
2452c57f 3910 rename_data->olddir = data->fh;
84004dbf
RS		 3911 data->fh.data.data_val = NULL;
3912
3913 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) {
766bb4af 3914 rpc_set_error(nfs->rpc, "RPC error: Failed to send LOOKUP call for %s", newpath);
84004dbf
RS		 3915 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3916 free_nfs_cb_data(data);
766bb4af 3917 free(newpath);
84004dbf
RS		 3918 return -1;
3919 }
3920 data->continue_data = NULL;
3921 free_nfs_cb_data(data);
766bb4af 3922 free(newpath);
84004dbf
RS		 3923
3924 return 0;
3925}
3926
3927
3928int nfs_rename_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data)
3929{
3930 char *ptr;
3931 struct nfs_rename_data *rename_data;
3932
3933 rename_data = malloc(sizeof(struct nfs_rename_data));
3934 if (rename_data == NULL) {
cbbf9d3e 3935 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for rename data");
84004dbf
RS		 3936 return -1;
3937 }
ea98629a 3938 memset(rename_data, 0, sizeof(struct nfs_rename_data));
84004dbf
RS		 3939
3940 rename_data->oldpath = strdup(oldpath);
3941 if (rename_data->oldpath == NULL) {
cbbf9d3e 3942 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath");
84004dbf 3943 free_nfs_rename_data(rename_data);
cbbf9d3e 3944 return -1;
84004dbf 3945 }
93e9306f 3946 ptr = strrchr(rename_data->oldpath, '/');
84004dbf 3947 if (ptr == NULL) {
cbbf9d3e 3948 rpc_set_error(nfs->rpc, "Invalid path %s", oldpath);
84004dbf 3949 free_nfs_rename_data(rename_data);
cbbf9d3e 3950 return -1;
84004dbf
RS		 3951 }
3952 *ptr = 0;
3953 ptr++;
3954 rename_data->oldobject = ptr;
3955
3956
3957 rename_data->newpath = strdup(newpath);
3958 if (rename_data->newpath == NULL) {
cbbf9d3e 3959 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for newpath");
84004dbf 3960 free_nfs_rename_data(rename_data);
cbbf9d3e 3961 return -1;
84004dbf 3962 }
93e9306f 3963 ptr = strrchr(rename_data->newpath, '/');
84004dbf 3964 if (ptr == NULL) {
cbbf9d3e 3965 rpc_set_error(nfs->rpc, "Invalid path %s", newpath);
84004dbf 3966 free_nfs_rename_data(rename_data);
cbbf9d3e 3967 return -1;
84004dbf
RS		 3968 }
3969 *ptr = 0;
3970 ptr++;
3971 rename_data->newobject = ptr;
3972
3973
3974 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		 3975 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
3976 return -1;
84004dbf
RS		 3977 }
3978
3979 return 0;
3980}
3981
3982
3983/*
3984 * Async link()
3985 */
3986struct nfs_link_data {
3987 char *oldpath;
3988 struct nfs_fh3 oldfh;
3989 char *newpath;
3990 char *newobject;
3991 struct nfs_fh3 newdir;
3992};
3993
3994static void free_nfs_link_data(void *mem)
3995{
3996 struct nfs_link_data *data = mem;
3997
3998 if (data->oldpath != NULL) {
3999 free(data->oldpath);
4000 }
4001 if (data->oldfh.data.data_val != NULL) {
4002 free(data->oldfh.data.data_val);
4003 }
4004 if (data->newpath != NULL) {
4005 free(data->newpath);
4006 }
4007 if (data->newdir.data.data_val != NULL) {
4008 free(data->newdir.data.data_val);
4009 }
4010 free(data);
4011}
4012
f3a75078 4013static void nfs_link_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 4014{
4015 LINK3res *res;
4016 struct nfs_cb_data *data = private_data;
4017 struct nfs_context *nfs = data->nfs;
4018 struct nfs_link_data *link_data = data->continue_data;
4b1ae88a 4019
f3a75078
RS		 4020 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4021
84004dbf
RS		 4022 if (status == RPC_STATUS_ERROR) {
4023 data->cb(-EFAULT, nfs, command_data, data->private_data);
4024 free_nfs_cb_data(data);
4025 return;
4026 }
4027 if (status == RPC_STATUS_CANCEL) {
4028 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
4029 free_nfs_cb_data(data);
4030 return;
4031 }
4032
4033 res = command_data;
4034 if (res->status != NFS3_OK) {
4035 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));
4036 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
4037 free_nfs_cb_data(data);
4038 return;
4039 }
4040
4041 data->cb(0, nfs, NULL, data->private_data);
4042 free_nfs_cb_data(data);
4043}
4044
4045static int nfs_link_continue_2_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
4046{
4047 struct nfs_link_data *link_data = data->continue_data;
560f9434 4048 LINK3args args;
84004dbf
RS		 4049
4050 /* steal the filehandle */
2452c57f 4051 link_data->newdir = data->fh;
84004dbf
RS		 4052 data->fh.data.data_val = NULL;
4053
560f9434
RS		 4054 memset(&args, 0, sizeof(LINK3args));
4055 args.file = link_data->oldfh;
4056 args.link.dir = link_data->newdir;
4057 args.link.name = link_data->newobject;
4058 if (rpc_nfs3_link_async(nfs->rpc, nfs_link_cb, &args, data) != 0) {
84004dbf
RS		 4059 rpc_set_error(nfs->rpc, "RPC error: Failed to send LINK call for %s", data->path);
4060 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
4061 free_nfs_cb_data(data);
4062 return -1;
4063 }
4064 return 0;
4065}
4066
4067
4068static int nfs_link_continue_1_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
4069{
4070 struct nfs_link_data *link_data = data->continue_data;
4071
4072 /* steal the filehandle */
2452c57f 4073 link_data->oldfh = data->fh;
84004dbf
RS		 4074 data->fh.data.data_val = NULL;
4075
4076 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) {
4077 rpc_set_error(nfs->rpc, "RPC error: Failed to send LOOKUP call for %s", link_data->newpath);
4078 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
4079 free_nfs_cb_data(data);
4080 return -1;
4081 }
4082 data->continue_data = NULL;
4083 free_nfs_cb_data(data);
4084
4085 return 0;
4086}
4087
4088
4089int nfs_link_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data)
4090{
4091 char *ptr;
4092 struct nfs_link_data *link_data;
4093
4094 link_data = malloc(sizeof(struct nfs_link_data));
4095 if (link_data == NULL) {
cbbf9d3e 4096 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for link data");
84004dbf
RS		 4097 return -1;
4098 }
ea98629a 4099 memset(link_data, 0, sizeof(struct nfs_link_data));
84004dbf
RS		 4100
4101 link_data->oldpath = strdup(oldpath);
4102 if (link_data->oldpath == NULL) {
cbbf9d3e 4103 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath");
84004dbf 4104 free_nfs_link_data(link_data);
cbbf9d3e 4105 return -1;
84004dbf
RS		 4106 }
4107
4108 link_data->newpath = strdup(newpath);
4109 if (link_data->newpath == NULL) {
cbbf9d3e 4110 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for newpath");
84004dbf 4111 free_nfs_link_data(link_data);
cbbf9d3e 4112 return -1;
84004dbf 4113 }
93e9306f 4114 ptr = strrchr(link_data->newpath, '/');
84004dbf 4115 if (ptr == NULL) {
cbbf9d3e 4116 rpc_set_error(nfs->rpc, "Invalid path %s", newpath);
84004dbf 4117 free_nfs_link_data(link_data);
cbbf9d3e 4118 return -1;
84004dbf
RS		 4119 }
4120 *ptr = 0;
4121 ptr++;
4122 link_data->newobject = ptr;
4123
4124
4125 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		 4126 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
4127 return -1;
84004dbf
RS		 4128 }
4129
4130 return 0;
4131}
4132
4133
4134//qqq replace later with lseek()
183451cf 4135uint64_t nfs_get_current_offset(struct nfsfh *nfsfh)
84004dbf
RS		 4136{
4137 return nfsfh->offset;
4138}
4139
17ef62fa
RS		 4140
4141
4142/*
4143 * Get the maximum supported READ3 size by the server
4144 */
183451cf 4145uint64_t nfs_get_readmax(struct nfs_context *nfs)
17ef62fa
RS		 4146{
4147 return nfs->readmax;
4148}
4149
4150/*
4151 * Get the maximum supported WRITE3 size by the server
4152 */
183451cf 4153uint64_t nfs_get_writemax(struct nfs_context *nfs)
17ef62fa 4154{
e7f3a781 4155 return nfs->writemax;
17ef62fa 4156}
1896d37b 4157
d43a8953
PL		 4158void nfs_set_tcp_syncnt(struct nfs_context *nfs, int v) {
4159 rpc_set_tcp_syncnt(nfs->rpc, v);
4160}
4161
4162void nfs_set_uid(struct nfs_context *nfs, int uid) {
4163 rpc_set_uid(nfs->rpc, uid);
4164}
4165
4166void nfs_set_gid(struct nfs_context *nfs, int gid) {
4167 rpc_set_gid(nfs->rpc, gid);
4168}
4169
1896d37b
RS		 4170void nfs_set_error(struct nfs_context *nfs, char *error_string, ...)
4171{
4172 va_list ap;
1e8994af 4173 char *str = NULL;
1896d37b 4174
1e8994af 4175 va_start(ap, error_string);
2606f9bb
RS		 4176 str = malloc(1024);
4177 vsnprintf(str, 1024, error_string, ap);
1896d37b
RS		 4178 if (nfs->rpc->error_string != NULL) {
4179 free(nfs->rpc->error_string);
4180 }
1896d37b 4181 nfs->rpc->error_string = str;
f893b680 4182 va_end(ap);
1896d37b 4183}
7f0242ca
RS		 4184
4185
4186
4187struct mount_cb_data {
4188 rpc_cb cb;
4189 void *private_data;
4190 char *server;
4191};
4192
4193static void free_mount_cb_data(struct mount_cb_data *data)
4194{
4195 if (data->server != NULL) {
4196 free(data->server);
4197 data->server = NULL;
4198 }
4199
4200 free(data);
4201}
4202
4203static void mount_export_5_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
4204{
4205 struct mount_cb_data *data = private_data;
4206
f3a75078
RS		 4207 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4208
4209 if (status == RPC_STATUS_ERROR) {
7f0242ca
RS		 4210 data->cb(rpc, -EFAULT, command_data, data->private_data);
4211 free_mount_cb_data(data);
4212 return;
4213 }
4214 if (status == RPC_STATUS_CANCEL) {
4215 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
4216 free_mount_cb_data(data);
4217 return;
4218 }
4219
4220 data->cb(rpc, 0, command_data, data->private_data);
4221 if (rpc_disconnect(rpc, "normal disconnect") != 0) {
4222 rpc_set_error(rpc, "Failed to disconnect\n");
4223 }
4224 free_mount_cb_data(data);
4225}
4226
4227static void mount_export_4_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
4228{
4229 struct mount_cb_data *data = private_data;
4230
f3a75078
RS		 4231 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4232
14a062eb
RS		 4233 /* Dont want any more callbacks even if the socket is closed */
4234 rpc->connect_cb = NULL;
4235
4b1ae88a 4236 if (status == RPC_STATUS_ERROR) {
7f0242ca
RS		 4237 data->cb(rpc, -EFAULT, command_data, data->private_data);
4238 free_mount_cb_data(data);
4239 return;
4240 }
4241 if (status == RPC_STATUS_CANCEL) {
4242 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
4243 free_mount_cb_data(data);
4244 return;
4245 }
4246
eda77ec3 4247 if (rpc_mount3_export_async(rpc, mount_export_5_cb, data) != 0) {
7f0242ca
RS		 4248 data->cb(rpc, -ENOMEM, command_data, data->private_data);
4249 free_mount_cb_data(data);
4250 return;
4251 }
4252}
4253
4254static void mount_export_3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
4255{
4256 struct mount_cb_data *data = private_data;
4257 uint32_t mount_port;
4258
f3a75078
RS		 4259 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4260
4261 if (status == RPC_STATUS_ERROR) {
7f0242ca
RS		 4262 data->cb(rpc, -EFAULT, command_data, data->private_data);
4263 free_mount_cb_data(data);
4264 return;
4265 }
4266 if (status == RPC_STATUS_CANCEL) {
4267 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
4268 free_mount_cb_data(data);
4269 return;
4270 }
4271
4272 mount_port = *(uint32_t *)command_data;
4273 if (mount_port == 0) {
4274 rpc_set_error(rpc, "RPC error. Mount program is not available");
4275 data->cb(rpc, -ENOENT, command_data, data->private_data);
4276 free_mount_cb_data(data);
4277 return;
4278 }
4279
4280 rpc_disconnect(rpc, "normal disconnect");
4281 if (rpc_connect_async(rpc, data->server, mount_port, mount_export_4_cb, data) != 0) {
4282 data->cb(rpc, -ENOMEM, command_data, data->private_data);
4283 free_mount_cb_data(data);
4284 return;
4285 }
4286}
4287
4288static void mount_export_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
4289{
4290 struct mount_cb_data *data = private_data;
4291
f3a75078
RS		 4292 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4293
7f0242ca
RS		 4294 if (status == RPC_STATUS_ERROR) {
4295 data->cb(rpc, -EFAULT, command_data, data->private_data);
4296 free_mount_cb_data(data);
4297 return;
4298 }
4299 if (status == RPC_STATUS_CANCEL) {
4300 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
4301 free_mount_cb_data(data);
4302 return;
4303 }
4304
5c6b1176 4305 if (rpc_pmap_getport_async(rpc, MOUNT_PROGRAM, MOUNT_V3, IPPROTO_TCP, mount_export_3_cb, private_data) != 0) {
7f0242ca
RS		 4306 data->cb(rpc, -ENOMEM, command_data, data->private_data);
4307 free_mount_cb_data(data);
4308 return;
4309 }
4310}
4311
4312static void mount_export_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
4313{
4314 struct mount_cb_data *data = private_data;
4315
f3a75078
RS		 4316 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4317
14a062eb
RS		 4318 /* Dont want any more callbacks even if the socket is closed */
4319 rpc->connect_cb = NULL;
4320
7f0242ca
RS		 4321 if (status == RPC_STATUS_ERROR) {
4322 data->cb(rpc, -EFAULT, command_data, data->private_data);
4323 free_mount_cb_data(data);
4324 return;
4325 }
4326 if (status == RPC_STATUS_CANCEL) {
4327 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
4328 free_mount_cb_data(data);
4329 return;
4330 }
4331
4332 if (rpc_pmap_null_async(rpc, mount_export_2_cb, data) != 0) {
4333 data->cb(rpc, -ENOMEM, command_data, data->private_data);
4334 free_mount_cb_data(data);
4335 return;
4336 }
4337}
4338
4339int mount_getexports_async(struct rpc_context *rpc, const char *server, rpc_cb cb, void *private_data)
4340{
4341 struct mount_cb_data *data;
4342
f3a75078
RS		 4343 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4344
7f0242ca
RS		 4345 data = malloc(sizeof(struct mount_cb_data));
4346 if (data == NULL) {
4347 return -1;
4348 }
ea98629a 4349 memset(data, 0, sizeof(struct mount_cb_data));
7f0242ca
RS		 4350 data->cb = cb;
4351 data->private_data = private_data;
4352 data->server = strdup(server);
4353 if (data->server == NULL) {
4354 free_mount_cb_data(data);
4355 return -1;
4b1ae88a 4356 }
7f0242ca
RS		 4357 if (rpc_connect_async(rpc, data->server, 111, mount_export_1_cb, data) != 0) {
4358 free_mount_cb_data(data);
4359 return -1;
4360 }
4361
4362 return 0;
4363}
4364
df5af25f
RS		 4365struct rpc_context *nfs_get_rpc_context(struct nfs_context *nfs)
4366{
f3a75078 4367 assert(nfs->rpc->magic == RPC_CONTEXT_MAGIC);
df5af25f
RS		 4368 return nfs->rpc;
4369}
4370
b077fdeb
RS		 4371const char *nfs_get_server(struct nfs_context *nfs) {
4372 return nfs->server;
4373}
4374
4375const char *nfs_get_export(struct nfs_context *nfs) {
4376 return nfs->export;
4377}
0ad9a1f1 4378
8724c833
RS		 4379const struct nfs_fh3 *nfs_get_rootfh(struct nfs_context *nfs) {
4380 return &nfs->rootfh;
4381}
fa3c25be
RS		 4382
4383struct nfs_fh3 *nfs_get_fh(struct nfsfh *nfsfh) {
4384 return &nfsfh->fh;
4385}
libnfs Piment Noir Debian package repository