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Dont check for NFS errors in the LOOKUP during READDIRPLUS emulation
[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
479302f7
RS		 1233/*
1234 * Async nfs_stat64()
1235 */
1236static void nfs_stat64_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
1237{
1238 GETATTR3res *res;
1239 struct nfs_cb_data *data = private_data;
1240 struct nfs_context *nfs = data->nfs;
1241 struct nfs_stat_64 st;
1242
1243 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1244
1245 if (status == RPC_STATUS_ERROR) {
1246 data->cb(-EFAULT, nfs, command_data, data->private_data);
1247 free_nfs_cb_data(data);
1248 return;
1249 }
1250 if (status == RPC_STATUS_CANCEL) {
1251 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1252 free_nfs_cb_data(data);
1253 return;
1254 }
1255
1256 res = command_data;
1257 if (res->status != NFS3_OK) {
1258 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));
1259 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1260 free_nfs_cb_data(data);
1261 return;
1262 }
1263
1264 st.nfs_dev = -1;
1265 st.nfs_ino = res->GETATTR3res_u.resok.obj_attributes.fileid;
1266 st.nfs_mode = res->GETATTR3res_u.resok.obj_attributes.mode;
1267 if (res->GETATTR3res_u.resok.obj_attributes.type == NF3DIR) {
1268 st.nfs_mode |= S_IFDIR ;
1269 }
1270 if (res->GETATTR3res_u.resok.obj_attributes.type == NF3REG) {
1271 st.nfs_mode |= S_IFREG ;
1272 }
1273 st.nfs_nlink = res->GETATTR3res_u.resok.obj_attributes.nlink;
1274 st.nfs_uid = res->GETATTR3res_u.resok.obj_attributes.uid;
1275 st.nfs_gid = res->GETATTR3res_u.resok.obj_attributes.gid;
1276 st.nfs_rdev = 0;
1277 st.nfs_size = res->GETATTR3res_u.resok.obj_attributes.size;
1278 st.nfs_atime = res->GETATTR3res_u.resok.obj_attributes.atime.seconds;
1279 st.nfs_mtime = res->GETATTR3res_u.resok.obj_attributes.mtime.seconds;
1280 st.nfs_ctime = res->GETATTR3res_u.resok.obj_attributes.ctime.seconds;
1281
1282 data->cb(0, nfs, &st, data->private_data);
1283 free_nfs_cb_data(data);
1284}
1285
1286static int nfs_stat64_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
1287{
1288 struct GETATTR3args args;
1289
1290 memset(&args, 0, sizeof(GETATTR3args));
1291 args.object = data->fh;
1292
1293 if (rpc_nfs3_getattr_async(nfs->rpc, nfs_stat64_1_cb, &args, data) != 0) {
1294 rpc_set_error(nfs->rpc, "RPC error: Failed to send STAT GETATTR call for %s", data->path);
1295 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1296 free_nfs_cb_data(data);
1297 return -1;
1298 }
1299 return 0;
1300}
1301
1302int nfs_stat64_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
1303{
1304 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_stat64_continue_internal, NULL, NULL, 0) != 0) {
1305 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
1306 return -1;
1307 }
1308
1309 return 0;
1310}
84004dbf 1311
84004dbf
RS		 1312/*
1313 * Async open()
1314 */
22a0f15b
RS		 1315static void nfs_open_trunc_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
1316{
1317 struct nfs_cb_data *data = private_data;
1318 struct nfs_context *nfs = data->nfs;
be7b4360 1319 struct nfsfh *nfsfh;
22a0f15b
RS		 1320 SETATTR3res *res;
1321
1322 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1323
1324 if (status == RPC_STATUS_ERROR) {
1325 data->cb(-EFAULT, nfs, command_data, data->private_data);
1326 free_nfs_cb_data(data);
1327 return;
1328 }
1329 if (status == RPC_STATUS_CANCEL) {
1330 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1331 free_nfs_cb_data(data);
1332 return;
1333 }
1334
1335 res = command_data;
1336 if (res->status != NFS3_OK) {
1337 rpc_set_error(nfs->rpc, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1338 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1339 free_nfs_cb_data(data);
1340 return;
1341 }
1342
be7b4360
RS		 1343 nfsfh = malloc(sizeof(struct nfsfh));
1344 if (nfsfh == NULL) {
1345 rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure");
1346 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1347 free_nfs_cb_data(data);
1348 return;
1349 }
1350 memset(nfsfh, 0, sizeof(struct nfsfh));
1351
1352 if (data->continue_int & O_SYNC) {
1353 nfsfh->is_sync = 1;
1354 }
1355
1356 /* steal the filehandle */
1357 nfsfh->fh = data->fh;
1358 data->fh.data.data_val = NULL;
1359
1360 data->cb(0, nfs, nfsfh, data->private_data);
22a0f15b
RS		 1361 free_nfs_cb_data(data);
1362}
1363
f3a75078 1364static void nfs_open_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1365{
1366 ACCESS3res *res;
1367 struct nfs_cb_data *data = private_data;
1368 struct nfs_context *nfs = data->nfs;
1369 struct nfsfh *nfsfh;
1370 unsigned int nfsmode = 0;
1371
f3a75078
RS		 1372 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1373
84004dbf
RS		 1374 if (status == RPC_STATUS_ERROR) {
1375 data->cb(-EFAULT, nfs, command_data, data->private_data);
1376 free_nfs_cb_data(data);
1377 return;
1378 }
1379 if (status == RPC_STATUS_CANCEL) {
1380 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1381 free_nfs_cb_data(data);
1382 return;
1383 }
1384
1385 res = command_data;
1386 if (res->status != NFS3_OK) {
1387 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));
1388 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1389 free_nfs_cb_data(data);
1390 return;
1391 }
1392
1393 if (data->continue_int & O_WRONLY) {
1394 nfsmode |= ACCESS3_MODIFY;
1395 }
1396 if (data->continue_int & O_RDWR) {
1397 nfsmode |= ACCESS3_READ|ACCESS3_MODIFY;
1398 }
1399 if (!(data->continue_int & (O_WRONLY|O_RDWR))) {
1400 nfsmode |= ACCESS3_READ;
1401 }
1402
1403
1404 if (res->ACCESS3res_u.resok.access != nfsmode) {
1405 rpc_set_error(nfs->rpc, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c",
1406 nfsmode&ACCESS3_READ?'r':'-',
1407 nfsmode&ACCESS3_MODIFY?'w':'-',
1408 nfsmode&ACCESS3_EXECUTE?'x':'-',
1409 res->ACCESS3res_u.resok.access&ACCESS3_READ?'r':'-',
1410 res->ACCESS3res_u.resok.access&ACCESS3_MODIFY?'w':'-',
1411 res->ACCESS3res_u.resok.access&ACCESS3_EXECUTE?'x':'-');
1412 data->cb(-EACCES, nfs, rpc_get_error(nfs->rpc), data->private_data);
1413 free_nfs_cb_data(data);
1414 return;
1415 }
1416
22a0f15b
RS		 1417 /* Try to truncate it if we were requested to */
1418 if ((data->continue_int & O_TRUNC) &&
1419 (data->continue_int & (O_RDWR|O_WRONLY))) {
1420 SETATTR3args args;
1421
1422 memset(&args, 0, sizeof(SETATTR3args));
be7b4360 1423 args.object = data->fh;
22a0f15b
RS		 1424 args.new_attributes.size.set_it = 1;
1425 args.new_attributes.size.set_size3_u.size = 0;
1426
1427 if (rpc_nfs3_setattr_async(nfs->rpc, nfs_open_trunc_cb, &args,
1428 data) != 0) {
1429 rpc_set_error(nfs->rpc, "RPC error: Failed to send "
1430 "SETATTR call for %s", data->path);
1431 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc),
1432 data->private_data);
1433 free_nfs_cb_data(data);
1434 return;
1435 }
1436 return;
1437 }
1438
be7b4360
RS		 1439 nfsfh = malloc(sizeof(struct nfsfh));
1440 if (nfsfh == NULL) {
1441 rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure");
1442 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1443 free_nfs_cb_data(data);
1444 return;
1445 }
1446 memset(nfsfh, 0, sizeof(struct nfsfh));
1447
1448 if (data->continue_int & O_SYNC) {
1449 nfsfh->is_sync = 1;
1450 }
1451
1452 /* steal the filehandle */
1453 nfsfh->fh = data->fh;
1454 data->fh.data.data_val = NULL;
1455
84004dbf
RS		 1456 data->cb(0, nfs, nfsfh, data->private_data);
1457 free_nfs_cb_data(data);
1458}
1459
1460static int nfs_open_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
1461{
1462 int nfsmode = 0;
463d59bf 1463 ACCESS3args args;
84004dbf
RS		 1464
1465 if (data->continue_int & O_WRONLY) {
1466 nfsmode |= ACCESS3_MODIFY;
1467 }
1468 if (data->continue_int & O_RDWR) {
1469 nfsmode |= ACCESS3_READ|ACCESS3_MODIFY;
1470 }
1471 if (!(data->continue_int & (O_WRONLY|O_RDWR))) {
1472 nfsmode |= ACCESS3_READ;
1473 }
1474
463d59bf 1475 memset(&args, 0, sizeof(ACCESS3args));
2452c57f 1476 args.object = data->fh;
463d59bf
RS		 1477 args.access = nfsmode;
1478
1479 if (rpc_nfs3_access_async(nfs->rpc, nfs_open_cb, &args, data) != 0) {
22a0f15b
RS		 1480 rpc_set_error(nfs->rpc, "RPC error: Failed to send OPEN ACCESS "
1481 "call for %s", data->path);
1482 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc),
1483 data->private_data);
84004dbf
RS		 1484 free_nfs_cb_data(data);
1485 return -1;
1486 }
1487 return 0;
1488}
1489
3cea44dc 1490int nfs_open_async(struct nfs_context *nfs, const char *path, int flags, nfs_cb cb, void *private_data)
84004dbf 1491{
3cea44dc 1492 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_open_continue_internal, NULL, NULL, flags) != 0) {
cbbf9d3e
RS		 1493 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
1494 return -1;
84004dbf
RS		 1495 }
1496
1497 return 0;
1498}
1499
1500
f893b680
RS		 1501/*
1502 * Async chdir()
1503 */
1504static int nfs_chdir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
1505{
1506 /* steal saved_path */
1507 free(nfs->cwd);
1508 nfs->cwd = data->saved_path;
1509 data->saved_path = NULL;
84004dbf 1510
f893b680
RS		 1511 data->cb(0, nfs, NULL, data->private_data);
1512 free_nfs_cb_data(data);
1513
1514 return 0;
1515}
1516
1517int nfs_chdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
1518{
1519 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_chdir_continue_internal, NULL, NULL, 0) != 0) {
1520 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
1521 return -1;
1522 }
1523
1524 return 0;
1525}
84004dbf
RS		 1526
1527
1528/*
1529 * Async pread()
1530 */
f3a75078 1531static void nfs_pread_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1532{
1533 struct nfs_cb_data *data = private_data;
1534 struct nfs_context *nfs = data->nfs;
1535 READ3res *res;
1536
f3a75078
RS		 1537 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1538
84004dbf
RS		 1539 if (status == RPC_STATUS_ERROR) {
1540 data->cb(-EFAULT, nfs, command_data, data->private_data);
1541 free_nfs_cb_data(data);
1542 return;
1543 }
1544 if (status == RPC_STATUS_CANCEL) {
1545 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1546 free_nfs_cb_data(data);
1547 return;
1548 }
1549
1550 res = command_data;
1551 if (res->status != NFS3_OK) {
1552 rpc_set_error(nfs->rpc, "NFS: Read failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1553 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1554 free_nfs_cb_data(data);
1555 return;
1556 }
1557
1558 data->nfsfh->offset += res->READ3res_u.resok.count;
1559 data->cb(res->READ3res_u.resok.count, nfs, res->READ3res_u.resok.data.data_val, data->private_data);
1560 free_nfs_cb_data(data);
1561}
1562
f3a75078 1563static void nfs_pread_mcb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
921f877b
RS		 1564{
1565 struct nfs_mcb_data *mdata = private_data;
1566 struct nfs_cb_data *data = mdata->data;
1567 struct nfs_context *nfs = data->nfs;
1568 READ3res *res;
1569
f3a75078
RS		 1570 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1571
921f877b
RS		 1572 data->num_calls--;
1573
1574 if (status == RPC_STATUS_ERROR) {
1575 /* flag the failure but do not invoke callback until we have received all responses */
1576 data->error = 1;
1577 }
1578 if (status == RPC_STATUS_CANCEL) {
1579 /* flag the cancellation but do not invoke callback until we have received all responses */
1580 data->cancel = 1;
1581 }
1582
1583 /* reassemble the data into the buffer */
1584 if (status == RPC_STATUS_SUCCESS) {
1585 res = command_data;
1586 if (res->status != NFS3_OK) {
1587 rpc_set_error(nfs->rpc, "NFS: Read failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1588 data->error = 1;
e4a5ba42
RS		 1589 } else {
1590 if (res->READ3res_u.resok.count > 0) {
1591 memcpy(&data->buffer[mdata->offset - data->start_offset], res->READ3res_u.resok.data.data_val, res->READ3res_u.resok.count);
1592 if ((unsigned)data->max_offset < mdata->offset + res->READ3res_u.resok.count) {
1593 data->max_offset = mdata->offset + res->READ3res_u.resok.count;
1594 }
921f877b
RS		 1595 }
1596 }
1597 }
1598
1599 if (data->num_calls > 0) {
1600 /* still waiting for more replies */
1601 free(mdata);
1602 return;
1603 }
1604
921f877b
RS		 1605 if (data->error != 0) {
1606 data->cb(-EFAULT, nfs, command_data, data->private_data);
1607 free_nfs_cb_data(data);
1608 free(mdata);
1609 return;
1610 }
1611 if (data->cancel != 0) {
1612 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1613 free_nfs_cb_data(data);
1614 free(mdata);
1615 return;
1616 }
1617
1618 data->nfsfh->offset = data->max_offset;
7ed9d87a
RS		 1619 data->cb(data->max_offset - data->start_offset, nfs, data->buffer, data->private_data);
1620
921f877b
RS		 1621 free_nfs_cb_data(data);
1622 free(mdata);
1623}
1624
183451cf 1625int nfs_pread_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t offset, uint64_t count, nfs_cb cb, void *private_data)
84004dbf
RS		 1626{
1627 struct nfs_cb_data *data;
1628
1629 data = malloc(sizeof(struct nfs_cb_data));
1630 if (data == NULL) {
1631 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1632 return -1;
1633 }
ea98629a 1634 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1635 data->nfs = nfs;
1636 data->cb = cb;
1637 data->private_data = private_data;
1638 data->nfsfh = nfsfh;
1639
1640 nfsfh->offset = offset;
921f877b
RS		 1641
1642 if (count <= nfs_get_readmax(nfs)) {
463d59bf
RS		 1643 READ3args args;
1644
1645 memset(&args, 0, sizeof(READ3args));
2452c57f 1646 args.file = nfsfh->fh;
463d59bf
RS		 1647 args.offset = offset;
1648 args.count = count;
1649
1650 if (rpc_nfs3_read_async(nfs->rpc, nfs_pread_cb, &args, data) != 0) {
921f877b
RS		 1651 rpc_set_error(nfs->rpc, "RPC error: Failed to send READ call for %s", data->path);
1652 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1653 free_nfs_cb_data(data);
1654 return -1;
1655 }
1656 return 0;
1657 }
1658
c8f0bac1
AR		 1659 assert(count > 0);
1660 assert(data->num_calls == 0);
1661
921f877b
RS		 1662 /* trying to read more than maximum server read size, we has to chop it up into smaller
1663 * reads and collect into a reassembly buffer.
cd67ec7d 1664 * we send all reads in parallel so that performance is still good.
921f877b 1665 */
7ed9d87a 1666 data->max_offset = offset;
921f877b
RS		 1667 data->start_offset = offset;
1668
1669 data->buffer = malloc(count);
1670 if (data->buffer == NULL) {
1671 rpc_set_error(nfs->rpc, "Out-Of-Memory: Failed to allocate reassembly buffer for %d bytes", (int)count);
84004dbf
RS		 1672 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1673 free_nfs_cb_data(data);
1674 return -1;
1675 }
921f877b
RS		 1676
1677 while (count > 0) {
183451cf 1678 uint64_t readcount = count;
921f877b 1679 struct nfs_mcb_data *mdata;
463d59bf 1680 READ3args args;
921f877b
RS		 1681
1682 if (readcount > nfs_get_readmax(nfs)) {
1683 readcount = nfs_get_readmax(nfs);
1684 }
1685
1686 mdata = malloc(sizeof(struct nfs_mcb_data));
1687 if (mdata == NULL) {
1688 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_mcb_data structure");
c8f0bac1
AR		 1689 if (data->num_calls == 0)
1690 free_nfs_cb_data(data);
921f877b
RS		 1691 return -1;
1692 }
ea98629a 1693 memset(mdata, 0, sizeof(struct nfs_mcb_data));
921f877b
RS		 1694 mdata->data = data;
1695 mdata->offset = offset;
1696 mdata->count = readcount;
463d59bf
RS		 1697
1698 memset(&args, 0, sizeof(READ3args));
2452c57f 1699 args.file = nfsfh->fh;
463d59bf
RS		 1700 args.offset = offset;
1701 args.count = readcount;
1702
1703 if (rpc_nfs3_read_async(nfs->rpc, nfs_pread_mcb, &args, mdata) != 0) {
921f877b
RS		 1704 rpc_set_error(nfs->rpc, "RPC error: Failed to send READ call for %s", data->path);
1705 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1706 free(mdata);
c8f0bac1
AR		 1707 if (data->num_calls == 0)
1708 free_nfs_cb_data(data);
921f877b
RS		 1709 return -1;
1710 }
1711
1712 count -= readcount;
1713 offset += readcount;
1714 data->num_calls++;
1715 }
1716
1717 return 0;
84004dbf
RS		 1718}
1719
1720/*
1721 * Async read()
1722 */
183451cf 1723int nfs_read_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t count, nfs_cb cb, void *private_data)
84004dbf
RS		 1724{
1725 return nfs_pread_async(nfs, nfsfh, nfsfh->offset, count, cb, private_data);
1726}
1727
1728
1729
1730/*
1731 * Async pwrite()
1732 */
f3a75078 1733static void nfs_pwrite_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1734{
1735 struct nfs_cb_data *data = private_data;
1736 struct nfs_context *nfs = data->nfs;
1737 WRITE3res *res;
1738
f3a75078
RS		 1739 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1740
84004dbf
RS		 1741 if (status == RPC_STATUS_ERROR) {
1742 data->cb(-EFAULT, nfs, command_data, data->private_data);
1743 free_nfs_cb_data(data);
1744 return;
1745 }
1746 if (status == RPC_STATUS_CANCEL) {
1747 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1748 free_nfs_cb_data(data);
1749 return;
1750 }
1751
1752 res = command_data;
1753 if (res->status != NFS3_OK) {
1754 rpc_set_error(nfs->rpc, "NFS: Write failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1755 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1756 free_nfs_cb_data(data);
1757 return;
1758 }
1759
1760 data->nfsfh->offset += res->WRITE3res_u.resok.count;
1761 data->cb(res->WRITE3res_u.resok.count, nfs, NULL, data->private_data);
1762 free_nfs_cb_data(data);
1763}
1764
f3a75078 1765static void nfs_pwrite_mcb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
18c27b73
RS		 1766{
1767 struct nfs_mcb_data *mdata = private_data;
1768 struct nfs_cb_data *data = mdata->data;
1769 struct nfs_context *nfs = data->nfs;
1770 WRITE3res *res;
1771
f3a75078
RS		 1772 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1773
18c27b73
RS		 1774 data->num_calls--;
1775
1776 if (status == RPC_STATUS_ERROR) {
1777 /* flag the failure but do not invoke callback until we have received all responses */
1778 data->error = 1;
1779 }
1780 if (status == RPC_STATUS_CANCEL) {
1781 /* flag the cancellation but do not invoke callback until we have received all responses */
1782 data->cancel = 1;
1783 }
1784
1785 if (status == RPC_STATUS_SUCCESS) {
1786 res = command_data;
1787 if (res->status != NFS3_OK) {
1788 rpc_set_error(nfs->rpc, "NFS: Write failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1789 data->error = 1;
1790 } else {
1791 if (res->WRITE3res_u.resok.count > 0) {
1792 if ((unsigned)data->max_offset < mdata->offset + res->WRITE3res_u.resok.count) {
1793 data->max_offset = mdata->offset + res->WRITE3res_u.resok.count;
1794 }
1795 }
1796 }
1797 }
1798
1799 if (data->num_calls > 0) {
1800 /* still waiting for more replies */
1801 free(mdata);
1802 return;
1803 }
1804
1805 if (data->error != 0) {
1806 data->cb(-EFAULT, nfs, command_data, data->private_data);
1807 free_nfs_cb_data(data);
1808 free(mdata);
1809 return;
1810 }
1811 if (data->cancel != 0) {
1812 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1813 free_nfs_cb_data(data);
1814 free(mdata);
1815 return;
1816 }
1817
1818 data->nfsfh->offset = data->max_offset;
1819 data->cb(data->max_offset - data->start_offset, nfs, NULL, data->private_data);
1820
1821 free_nfs_cb_data(data);
1822 free(mdata);
1823}
1824
1825
183451cf 1826int 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		 1827{
1828 struct nfs_cb_data *data;
1829
1830 data = malloc(sizeof(struct nfs_cb_data));
1831 if (data == NULL) {
1832 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1833 return -1;
1834 }
ea98629a 1835 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1836 data->nfs = nfs;
1837 data->cb = cb;
1838 data->private_data = private_data;
1839 data->nfsfh = nfsfh;
1840
1841 nfsfh->offset = offset;
18c27b73
RS		 1842
1843 if (count <= nfs_get_writemax(nfs)) {
463d59bf
RS		 1844 WRITE3args args;
1845
1846 memset(&args, 0, sizeof(WRITE3args));
2452c57f 1847 args.file = nfsfh->fh;
463d59bf
RS		 1848 args.offset = offset;
1849 args.count = count;
1850 args.stable = nfsfh->is_sync?FILE_SYNC:UNSTABLE;
1851 args.data.data_len = count;
1852 args.data.data_val = buf;
1853
1854 if (rpc_nfs3_write_async(nfs->rpc, nfs_pwrite_cb, &args, data) != 0) {
18c27b73
RS		 1855 rpc_set_error(nfs->rpc, "RPC error: Failed to send WRITE call for %s", data->path);
1856 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1857 free_nfs_cb_data(data);
1858 return -1;
1859 }
1860 return 0;
84004dbf 1861 }
18c27b73 1862
63d4a058
AR		 1863 /* hello, clang-analyzer */
1864 assert(count > 0);
1865 assert(data->num_calls == 0);
1866
18c27b73
RS		 1867 /* trying to write more than maximum server write size, we has to chop it up into smaller
1868 * chunks.
cd67ec7d 1869 * we send all writes in parallel so that performance is still good.
18c27b73
RS		 1870 */
1871 data->max_offset = offset;
1872 data->start_offset = offset;
1873
1874 while (count > 0) {
183451cf 1875 uint64_t writecount = count;
18c27b73 1876 struct nfs_mcb_data *mdata;
463d59bf 1877 WRITE3args args;
18c27b73
RS		 1878
1879 if (writecount > nfs_get_writemax(nfs)) {
1880 writecount = nfs_get_writemax(nfs);
1881 }
1882
1883 mdata = malloc(sizeof(struct nfs_mcb_data));
1884 if (mdata == NULL) {
1885 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_mcb_data structure");
63d4a058
AR		 1886 if (data->num_calls == 0)
1887 free_nfs_cb_data(data);
18c27b73
RS		 1888 return -1;
1889 }
1890 memset(mdata, 0, sizeof(struct nfs_mcb_data));
1891 mdata->data = data;
1892 mdata->offset = offset;
1893 mdata->count = writecount;
1894
463d59bf 1895 memset(&args, 0, sizeof(WRITE3args));
2452c57f 1896 args.file = nfsfh->fh;
463d59bf
RS		 1897 args.offset = offset;
1898 args.count = writecount;
1899 args.stable = nfsfh->is_sync?FILE_SYNC:UNSTABLE;
1900 args.data.data_len = writecount;
1901 args.data.data_val = &buf[offset - data->start_offset];
1902
1903 if (rpc_nfs3_write_async(nfs->rpc, nfs_pwrite_mcb, &args, mdata) != 0) {
18c27b73
RS		 1904 rpc_set_error(nfs->rpc, "RPC error: Failed to send WRITE call for %s", data->path);
1905 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1906 free(mdata);
63d4a058
AR		 1907 if (data->num_calls == 0)
1908 free_nfs_cb_data(data);
1909
18c27b73
RS		 1910 return -1;
1911 }
1912
1913 count -= writecount;
1914 offset += writecount;
1915 data->num_calls++;
1916 }
1917
84004dbf
RS		 1918 return 0;
1919}
1920
1921/*
1922 * Async write()
1923 */
183451cf 1924int nfs_write_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t count, char *buf, nfs_cb cb, void *private_data)
84004dbf
RS		 1925{
1926 return nfs_pwrite_async(nfs, nfsfh, nfsfh->offset, count, buf, cb, private_data);
1927}
1928
1929
1930
1931
1932/*
1933 * close
1934 */
4b1ae88a 1935
84004dbf
RS		 1936int nfs_close_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data)
1937{
1938 if (nfsfh->fh.data.data_val != NULL){
1939 free(nfsfh->fh.data.data_val);
1940 nfsfh->fh.data.data_val = NULL;
1941 }
1942 free(nfsfh);
1943
1944 cb(0, nfs, NULL, private_data);
1945 return 0;
1946};
1947
1948
1949
1950
1951
1952/*
1953 * Async fstat()
1954 */
1955int nfs_fstat_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data)
1956{
1957 struct nfs_cb_data *data;
463d59bf 1958 struct GETATTR3args args;
84004dbf
RS		 1959
1960 data = malloc(sizeof(struct nfs_cb_data));
1961 if (data == NULL) {
1962 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1963 return -1;
1964 }
ea98629a 1965 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1966 data->nfs = nfs;
1967 data->cb = cb;
1968 data->private_data = private_data;
1969
463d59bf 1970 memset(&args, 0, sizeof(GETATTR3args));
2452c57f 1971 args.object = nfsfh->fh;
463d59bf
RS		 1972
1973 if (rpc_nfs3_getattr_async(nfs->rpc, nfs_stat_1_cb, &args, data) != 0) {
84004dbf
RS		 1974 rpc_set_error(nfs->rpc, "RPC error: Failed to send STAT GETATTR call for %s", data->path);
1975 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1976 free_nfs_cb_data(data);
1977 return -1;
1978 }
1979 return 0;
1980}
1981
1982
1983
1984/*
1985 * Async fsync()
1986 */
f3a75078 1987static void nfs_fsync_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1988{
1989 struct nfs_cb_data *data = private_data;
1990 struct nfs_context *nfs = data->nfs;
1991 COMMIT3res *res;
1992
f3a75078
RS		 1993 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1994
84004dbf
RS		 1995 if (status == RPC_STATUS_ERROR) {
1996 data->cb(-EFAULT, nfs, command_data, data->private_data);
1997 free_nfs_cb_data(data);
1998 return;
1999 }
2000 if (status == RPC_STATUS_CANCEL) {
2001 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2002 free_nfs_cb_data(data);
2003 return;
2004 }
2005
2006 res = command_data;
2007 if (res->status != NFS3_OK) {
2008 rpc_set_error(nfs->rpc, "NFS: Commit failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
2009 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2010 free_nfs_cb_data(data);
2011 return;
2012 }
2013
2014 data->cb(0, nfs, NULL, data->private_data);
2015 free_nfs_cb_data(data);
2016}
2017
2018int nfs_fsync_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data)
2019{
2020 struct nfs_cb_data *data;
1a5636ff 2021 struct COMMIT3args args;
84004dbf
RS		 2022
2023 data = malloc(sizeof(struct nfs_cb_data));
2024 if (data == NULL) {
2025 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 2026 return -1;
2027 }
ea98629a 2028 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 2029 data->nfs = nfs;
2030 data->cb = cb;
2031 data->private_data = private_data;
2032
1a5636ff
RS		 2033 args.file = nfsfh->fh;
2034 args.offset = 0;
2035 args.count = 0;
2036 if (rpc_nfs3_commit_async(nfs->rpc, nfs_fsync_cb, &args, data) != 0) {
84004dbf
RS		 2037 rpc_set_error(nfs->rpc, "RPC error: Failed to send COMMIT call for %s", data->path);
2038 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2039 free_nfs_cb_data(data);
2040 return -1;
2041 }
2042 return 0;
2043}
2044
2045
2046
2047
2048/*
2049 * Async ftruncate()
2050 */
f3a75078 2051static void nfs_ftruncate_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2052{
2053 struct nfs_cb_data *data = private_data;
2054 struct nfs_context *nfs = data->nfs;
2055 SETATTR3res *res;
2056
f3a75078
RS		 2057 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2058
84004dbf
RS		 2059 if (status == RPC_STATUS_ERROR) {
2060 data->cb(-EFAULT, nfs, command_data, data->private_data);
2061 free_nfs_cb_data(data);
2062 return;
2063 }
2064 if (status == RPC_STATUS_CANCEL) {
2065 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2066 free_nfs_cb_data(data);
2067 return;
2068 }
2069
2070 res = command_data;
2071 if (res->status != NFS3_OK) {
2072 rpc_set_error(nfs->rpc, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
2073 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2074 free_nfs_cb_data(data);
2075 return;
2076 }
2077
2078 data->cb(0, nfs, NULL, data->private_data);
2079 free_nfs_cb_data(data);
2080}
2081
183451cf 2082int nfs_ftruncate_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t length, nfs_cb cb, void *private_data)
84004dbf
RS		 2083{
2084 struct nfs_cb_data *data;
2085 SETATTR3args args;
2086
2087 data = malloc(sizeof(struct nfs_cb_data));
2088 if (data == NULL) {
2089 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 2090 return -1;
2091 }
ea98629a 2092 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 2093 data->nfs = nfs;
2094 data->cb = cb;
2095 data->private_data = private_data;
2096
ea98629a 2097 memset(&args, 0, sizeof(SETATTR3args));
2452c57f 2098 args.object = nfsfh->fh;
84004dbf
RS		 2099 args.new_attributes.size.set_it = 1;
2100 args.new_attributes.size.set_size3_u.size = length;
2101
b701254d 2102 if (rpc_nfs3_setattr_async(nfs->rpc, nfs_ftruncate_cb, &args, data) != 0) {
84004dbf
RS		 2103 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
2104 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2105 free_nfs_cb_data(data);
2106 return -1;
2107 }
2108 return 0;
2109}
2110
2111
2112/*
2113 * Async truncate()
2114 */
2115static int nfs_truncate_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2116{
183451cf 2117 uint64_t offset = data->continue_int;
84004dbf
RS		 2118 struct nfsfh nfsfh;
2119
2452c57f 2120 nfsfh.fh = data->fh;
84004dbf
RS		 2121
2122 if (nfs_ftruncate_async(nfs, &nfsfh, offset, data->cb, data->private_data) != 0) {
2123 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
2124 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2125 free_nfs_cb_data(data);
2126 return -1;
2127 }
2128 free_nfs_cb_data(data);
2129 return 0;
2130}
2131
183451cf 2132int nfs_truncate_async(struct nfs_context *nfs, const char *path, uint64_t length, nfs_cb cb, void *private_data)
84004dbf 2133{
183451cf 2134 uint64_t offset;
84004dbf
RS		 2135
2136 offset = length;
2137
2138 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_truncate_continue_internal, NULL, NULL, offset) != 0) {
cbbf9d3e
RS		 2139 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2140 return -1;
84004dbf
RS		 2141 }
2142
2143 return 0;
2144}
2145
2146
2147
2148
2149/*
2150 * Async mkdir()
2151 */
f3a75078 2152static void nfs_mkdir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2153{
2154 MKDIR3res *res;
2155 struct nfs_cb_data *data = private_data;
2156 struct nfs_context *nfs = data->nfs;
2157 char *str = data->continue_data;
4b1ae88a 2158
f3a75078
RS		 2159 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2160
84004dbf
RS		 2161 str = &str[strlen(str) + 1];
2162
2163 if (status == RPC_STATUS_ERROR) {
2164 data->cb(-EFAULT, nfs, command_data, data->private_data);
2165 free_nfs_cb_data(data);
2166 return;
2167 }
2168 if (status == RPC_STATUS_CANCEL) {
2169 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2170 free_nfs_cb_data(data);
2171 return;
2172 }
2173
2174 res = command_data;
2175 if (res->status != NFS3_OK) {
2176 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));
2177 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2178 free_nfs_cb_data(data);
2179 return;
2180 }
2181
2182 data->cb(0, nfs, NULL, data->private_data);
2183 free_nfs_cb_data(data);
2184}
2185
2186static int nfs_mkdir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2187{
2188 char *str = data->continue_data;
7edc9026
RS		 2189 MKDIR3args args;
2190
84004dbf
RS		 2191 str = &str[strlen(str) + 1];
2192
7edc9026 2193 memset(&args, 0, sizeof(MKDIR3args));
2452c57f 2194 args.where.dir = data->fh;
7edc9026
RS		 2195 args.where.name = str;
2196 args.attributes.mode.set_it = 1;
2197 args.attributes.mode.set_mode3_u.mode = 0755;
2198
acabd6bf 2199 if (rpc_nfs3_mkdir_async(nfs->rpc, nfs_mkdir_cb, &args, data) != 0) {
84004dbf
RS		 2200 rpc_set_error(nfs->rpc, "RPC error: Failed to send MKDIR call for %s", data->path);
2201 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2202 free_nfs_cb_data(data);
2203 return -1;
2204 }
2205 return 0;
2206}
2207
2208int nfs_mkdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
2209{
2210 char *new_path;
2211 char *ptr;
2212
2213 new_path = strdup(path);
2214 if (new_path == NULL) {
cbbf9d3e 2215 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 2216 return -1;
2217 }
2218
93e9306f 2219 ptr = strrchr(new_path, '/');
84004dbf 2220 if (ptr == NULL) {
b1a197f5 2221 free(new_path);
cbbf9d3e
RS		 2222 rpc_set_error(nfs->rpc, "Invalid path %s", path);
2223 return -1;
84004dbf
RS		 2224 }
2225 *ptr = 0;
2226
2227 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2228 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_mkdir_continue_internal, new_path, free, 0) != 0) {
cbbf9d3e
RS		 2229 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path component");
2230 return -1;
84004dbf
RS		 2231 }
2232
2233 return 0;
2234}
2235
2236
2237
2238
2239
2240/*
2241 * Async rmdir()
2242 */
f3a75078 2243static void nfs_rmdir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2244{
2245 RMDIR3res *res;
2246 struct nfs_cb_data *data = private_data;
2247 struct nfs_context *nfs = data->nfs;
2248 char *str = data->continue_data;
4b1ae88a 2249
f3a75078
RS		 2250 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2251
84004dbf
RS		 2252 str = &str[strlen(str) + 1];
2253
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 res = command_data;
2266 if (res->status != NFS3_OK) {
2267 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));
2268 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2269 free_nfs_cb_data(data);
2270 return;
2271 }
2272
2273 data->cb(0, nfs, NULL, data->private_data);
2274 free_nfs_cb_data(data);
2275}
2276
2277static int nfs_rmdir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2278{
2279 char *str = data->continue_data;
bf817ee6
RS		 2280 RMDIR3args args;
2281
84004dbf
RS		 2282 str = &str[strlen(str) + 1];
2283
bf817ee6
RS		 2284 args.object.dir = data->fh;
2285 args.object.name = str;
2286 if (rpc_nfs3_rmdir_async(nfs->rpc, nfs_rmdir_cb, &args, data) != 0) {
84004dbf
RS		 2287 rpc_set_error(nfs->rpc, "RPC error: Failed to send RMDIR call for %s", data->path);
2288 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2289 free_nfs_cb_data(data);
2290 return -1;
2291 }
2292 return 0;
2293}
2294
2295int nfs_rmdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
2296{
2297 char *new_path;
2298 char *ptr;
2299
2300 new_path = strdup(path);
2301 if (new_path == NULL) {
cbbf9d3e 2302 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 2303 return -1;
2304 }
2305
93e9306f 2306 ptr = strrchr(new_path, '/');
84004dbf 2307 if (ptr == NULL) {
2257433d 2308 free(new_path);
cbbf9d3e
RS		 2309 rpc_set_error(nfs->rpc, "Invalid path %s", path);
2310 return -1;
84004dbf
RS		 2311 }
2312 *ptr = 0;
2313
2314 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2315 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_rmdir_continue_internal, new_path, free, 0) != 0) {
cbbf9d3e
RS		 2316 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2317 return -1;
84004dbf
RS		 2318 }
2319
2320 return 0;
2321}
2322
2323
2324
2325
2326/*
2327 * Async creat()
2328 */
f3a75078 2329static void nfs_create_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2330{
2331 LOOKUP3res *res;
2332 struct nfs_cb_data *data = private_data;
2333 struct nfs_context *nfs = data->nfs;
2334 struct nfsfh *nfsfh;
2335 char *str = data->continue_data;
2336
f3a75078
RS		 2337 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2338
84004dbf
RS		 2339 if (status == RPC_STATUS_ERROR) {
2340 data->cb(-EFAULT, nfs, command_data, data->private_data);
2341 free_nfs_cb_data(data);
2342 return;
2343 }
2344 if (status == RPC_STATUS_CANCEL) {
2345 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2346 free_nfs_cb_data(data);
2347 return;
2348 }
2349
2350 str = &str[strlen(str) + 1];
2351 res = command_data;
2352 if (res->status != NFS3_OK) {
2353 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));
2354 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2355
2356 return;
2357 }
2358
2359 nfsfh = malloc(sizeof(struct nfsfh));
2360 if (nfsfh == NULL) {
2361 rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure");
2362 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2363 free_nfs_cb_data(data);
2364 return;
2365 }
ea98629a 2366 memset(nfsfh, 0, sizeof(struct nfsfh));
84004dbf 2367
0c1a9d7a
RS		 2368 /* copy the filehandle */
2369 nfsfh->fh.data.data_len = res->LOOKUP3res_u.resok.object.data.data_len;
2370 nfsfh->fh.data.data_val = malloc(nfsfh->fh.data.data_len);
2371 memcpy(nfsfh->fh.data.data_val, res->LOOKUP3res_u.resok.object.data.data_val, nfsfh->fh.data.data_len);
84004dbf
RS		 2372
2373 data->cb(0, nfs, nfsfh, data->private_data);
2374 free_nfs_cb_data(data);
2375}
2376
2377
2378
f3a75078 2379static void nfs_creat_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2380{
2381 CREATE3res *res;
2382 struct nfs_cb_data *data = private_data;
2383 struct nfs_context *nfs = data->nfs;
2384 char *str = data->continue_data;
463d59bf 2385 LOOKUP3args args;
84004dbf 2386
f3a75078
RS		 2387 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2388
84004dbf
RS		 2389 if (status == RPC_STATUS_ERROR) {
2390 data->cb(-EFAULT, nfs, command_data, data->private_data);
2391 free_nfs_cb_data(data);
2392 return;
2393 }
2394 if (status == RPC_STATUS_CANCEL) {
2395 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2396 free_nfs_cb_data(data);
2397 return;
2398 }
2399
2400 str = &str[strlen(str) + 1];
2401 res = command_data;
2402 if (res->status != NFS3_OK) {
2403 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));
2404 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
fadbf8cf 2405 free_nfs_cb_data(data);
84004dbf
RS		 2406 return;
2407 }
2408
463d59bf 2409 memset(&args, 0, sizeof(LOOKUP3args));
2452c57f
RS		 2410 args.what.dir = data->fh;
2411 args.what.name = str;
463d59bf
RS		 2412
2413 if (rpc_nfs3_lookup_async(nfs->rpc, nfs_create_2_cb, &args, data) != 0) {
84004dbf
RS		 2414 rpc_set_error(nfs->rpc, "RPC error: Failed to send lookup call for %s/%s", data->saved_path, str);
2415 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2416 free_nfs_cb_data(data);
2417 return;
2418 }
2419 return;
2420}
2421
2422static int nfs_creat_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2423{
2424 char *str = data->continue_data;
c985c015
RS		 2425 CREATE3args args;
2426
84004dbf
RS		 2427 str = &str[strlen(str) + 1];
2428
c985c015 2429 memset(&args, 0, sizeof(CREATE3args));
2452c57f 2430 args.where.dir = data->fh;
c985c015
RS		 2431 args.where.name = str;
2432 args.how.mode = UNCHECKED;
2433 args.how.createhow3_u.obj_attributes.mode.set_it = 1;
2434 args.how.createhow3_u.obj_attributes.mode.set_mode3_u.mode = data->continue_int;
2435
789c3f12 2436 if (rpc_nfs3_create_async(nfs->rpc, nfs_creat_1_cb, &args, data) != 0) {
84004dbf
RS		 2437 rpc_set_error(nfs->rpc, "RPC error: Failed to send CREATE call for %s/%s", data->path, str);
2438 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2439 free_nfs_cb_data(data);
2440 return -1;
2441 }
2442 return 0;
2443}
2444
2445int nfs_creat_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data)
2446{
2447 char *new_path;
2448 char *ptr;
2449
2450 new_path = strdup(path);
2451 if (new_path == NULL) {
cbbf9d3e 2452 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 2453 return -1;
2454 }
2455
93e9306f 2456 ptr = strrchr(new_path, '/');
84004dbf 2457 if (ptr == NULL) {
cbbf9d3e 2458 rpc_set_error(nfs->rpc, "Invalid path %s", path);
a1287496 2459 free(new_path);
cbbf9d3e 2460 return -1;
84004dbf
RS		 2461 }
2462 *ptr = 0;
2463
73f4ae7c 2464 /* new_path now points to the parent directory, and beyond the nul terminator is the new directory to create */
84004dbf 2465 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_creat_continue_internal, new_path, free, mode) != 0) {
cbbf9d3e
RS		 2466 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2467 return -1;
84004dbf
RS		 2468 }
2469
2470 return 0;
2471}
2472
2473
2474
2475
2476/*
2477 * Async unlink()
2478 */
f3a75078 2479static void nfs_unlink_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2480{
2481 REMOVE3res *res;
2482 struct nfs_cb_data *data = private_data;
2483 struct nfs_context *nfs = data->nfs;
2484 char *str = data->continue_data;
4b1ae88a 2485
f3a75078
RS		 2486 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2487
84004dbf
RS		 2488 str = &str[strlen(str) + 1];
2489
2490 if (status == RPC_STATUS_ERROR) {
2491 data->cb(-EFAULT, nfs, command_data, data->private_data);
2492 free_nfs_cb_data(data);
2493 return;
2494 }
2495 if (status == RPC_STATUS_CANCEL) {
2496 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2497 free_nfs_cb_data(data);
2498 return;
2499 }
2500
2501 res = command_data;
2502 if (res->status != NFS3_OK) {
2503 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));
2504 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2505 free_nfs_cb_data(data);
2506 return;
2507 }
2508
2509 data->cb(0, nfs, NULL, data->private_data);
2510 free_nfs_cb_data(data);
2511}
2512
2513static int nfs_unlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2514{
2515 char *str = data->continue_data;
a0a5aa26
RS		 2516 struct REMOVE3args args;
2517
84004dbf
RS		 2518 str = &str[strlen(str) + 1];
2519
a0a5aa26
RS		 2520 args.object.dir = data->fh;
2521 args.object.name = str;
2522 if (rpc_nfs3_remove_async(nfs->rpc, nfs_unlink_cb, &args, data) != 0) {
84004dbf
RS		 2523 rpc_set_error(nfs->rpc, "RPC error: Failed to send REMOVE call for %s", data->path);
2524 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2525 free_nfs_cb_data(data);
2526 return -1;
2527 }
2528 return 0;
2529}
2530
2531int nfs_unlink_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
2532{
2533 char *new_path;
2534 char *ptr;
2535
2536 new_path = strdup(path);
2537 if (new_path == NULL) {
cbbf9d3e 2538 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 2539 return -1;
2540 }
2541
93e9306f 2542 ptr = strrchr(new_path, '/');
84004dbf 2543 if (ptr == NULL) {
bcbb21cd 2544 free(new_path);
cbbf9d3e
RS		 2545 rpc_set_error(nfs->rpc, "Invalid path %s", path);
2546 return -1;
84004dbf
RS		 2547 }
2548 *ptr = 0;
2549
2550 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2551 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_unlink_continue_internal, new_path, free, 0) != 0) {
cbbf9d3e
RS		 2552 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2553 return -1;
84004dbf
RS		 2554 }
2555
2556 return 0;
2557}
2558
2559
1ec6b50a
RS		 2560/*
2561 * Async mknod()
2562 */
2563struct mknod_cb_data {
2564 char *path;
2565 int mode;
2566 int major;
2567 int minor;
2568};
2569
2570static void free_mknod_cb_data(void *ptr)
2571{
2572 struct mknod_cb_data *data = ptr;
2573
2574 free(data->path);
2575 free(data);
2576}
2577
f3a75078 2578static void nfs_mknod_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
1ec6b50a
RS		 2579{
2580 MKNOD3res *res;
2581 struct nfs_cb_data *data = private_data;
2582 struct nfs_context *nfs = data->nfs;
2583 char *str = data->continue_data;
4b1ae88a 2584
f3a75078
RS		 2585 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2586
1ec6b50a
RS		 2587 str = &str[strlen(str) + 1];
2588
2589 if (status == RPC_STATUS_ERROR) {
2590 data->cb(-EFAULT, nfs, command_data, data->private_data);
2591 free_nfs_cb_data(data);
2592 return;
2593 }
2594 if (status == RPC_STATUS_CANCEL) {
2595 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2596 free_nfs_cb_data(data);
2597 return;
2598 }
2599
2600 res = command_data;
2601 if (res->status != NFS3_OK) {
2602 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));
2603 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2604 free_nfs_cb_data(data);
2605 return;
2606 }
2607
2608 data->cb(0, nfs, NULL, data->private_data);
2609 free_nfs_cb_data(data);
2610}
2611
2612static int nfs_mknod_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2613{
2614 struct mknod_cb_data *cb_data = data->continue_data;
2615 char *str = cb_data->path;
b17cb0a2 2616 MKNOD3args args;
4b1ae88a 2617
1ec6b50a
RS		 2618 str = &str[strlen(str) + 1];
2619
b17cb0a2
RS		 2620 args.where.dir = data->fh;
2621 args.where.name = str;
2622 switch (cb_data->mode & S_IFMT) {
2623 case S_IFCHR:
2624 args.what.type = NF3CHR;
2625 args.what.mknoddata3_u.chr_device.dev_attributes.mode.set_it = 1;
2626 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);
2627 args.what.mknoddata3_u.chr_device.spec.specdata1 = cb_data->major;
2628 args.what.mknoddata3_u.chr_device.spec.specdata2 = cb_data->minor;
2629 break;
2630 case S_IFBLK:
2631 args.what.type = NF3BLK;
2632 args.what.mknoddata3_u.blk_device.dev_attributes.mode.set_it = 1;
2633 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);
2634 args.what.mknoddata3_u.blk_device.spec.specdata1 = cb_data->major;
2635 args.what.mknoddata3_u.blk_device.spec.specdata2 = cb_data->minor;
2636 case S_IFSOCK:
2637 args.what.type = NF3SOCK;
2638 args.what.mknoddata3_u.sock_attributes.mode.set_it = 1;
2639 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);
2640 break;
2641 case S_IFIFO:
2642 args.what.type = NF3FIFO;
2643 args.what.mknoddata3_u.pipe_attributes.mode.set_it = 1;
2644 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);
2645 break;
2646 default:
2647 rpc_set_error(nfs->rpc, "Invalid file type for NFS3/MKNOD call");
2648 data->cb(-EINVAL, nfs, rpc_get_error(nfs->rpc), data->private_data);
2649 free_nfs_cb_data(data);
2650 return -1;
2651 }
2652
2653 if (rpc_nfs3_mknod_async(nfs->rpc, nfs_mknod_cb, &args, data) != 0) {
1ec6b50a
RS		 2654 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2655 free_nfs_cb_data(data);
2656 return -1;
2657 }
2658 return 0;
2659}
2660
2661int nfs_mknod_async(struct nfs_context *nfs, const char *path, int mode, int dev, nfs_cb cb, void *private_data)
2662{
2663 char *ptr;
2664 struct mknod_cb_data *cb_data;
2665
2666 cb_data = malloc(sizeof(struct mknod_cb_data));
2667 if (cb_data == NULL) {
2668 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for cb data");
2669 return -1;
2670 }
2671
2672 cb_data->path = strdup(path);
2673 if (cb_data->path == NULL) {
2674 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
4b1ae88a 2675 free(cb_data);
1ec6b50a
RS		 2676 return -1;
2677 }
2678
2679 ptr = strrchr(cb_data->path, '/');
2680 if (ptr == NULL) {
2681 rpc_set_error(nfs->rpc, "Invalid path %s", path);
feb2fc2f 2682 free_mknod_cb_data(cb_data);
1ec6b50a
RS		 2683 return -1;
2684 }
2685 *ptr = 0;
2686
2687 cb_data->mode = mode;
2688 cb_data->major = major(dev);
2689 cb_data->minor = minor(dev);
2690
2691 /* data->path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2692 if (nfs_lookuppath_async(nfs, cb_data->path, cb, private_data, nfs_mknod_continue_internal, cb_data, free_mknod_cb_data, 0) != 0) {
2693 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
1ec6b50a
RS		 2694 return -1;
2695 }
2696
2697 return 0;
2698}
84004dbf 2699
84004dbf
RS		 2700/*
2701 * Async opendir()
2702 */
fb69c64c
RS		 2703
2704/* ReadDirPlus Emulation Callback data */
2705struct rdpe_cb_data {
2706 int getattrcount;
2707 int status;
2708 struct nfs_cb_data *data;
2709};
2710
2711/* ReadDirPlus Emulation LOOKUP Callback data */
2712struct rdpe_lookup_cb_data {
2713 struct rdpe_cb_data *rdpe_cb_data;
2714 struct nfsdirent *nfsdirent;
2715};
2716
2717/* Workaround for servers lacking READDIRPLUS, use READDIR instead and a GETATTR-loop */
f3a75078 2718static void nfs_opendir3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf 2719{
fb69c64c
RS		 2720 LOOKUP3res *res = command_data;
2721 struct rdpe_lookup_cb_data *rdpe_lookup_cb_data = private_data;
2722 struct rdpe_cb_data *rdpe_cb_data = rdpe_lookup_cb_data->rdpe_cb_data;
2723 struct nfs_cb_data *data = rdpe_cb_data->data;
2724 struct nfsdir *nfsdir = data->continue_data;
2725 struct nfs_context *nfs = data->nfs;
2726 struct nfsdirent *nfsdirent = rdpe_lookup_cb_data->nfsdirent;
2727
f3a75078
RS		 2728 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2729
fb69c64c
RS		 2730 free(rdpe_lookup_cb_data);
2731
2732 rdpe_cb_data->getattrcount--;
2733
2734 if (status == RPC_STATUS_ERROR) {
2735 rdpe_cb_data->status = RPC_STATUS_ERROR;
2736 }
2737 if (status == RPC_STATUS_CANCEL) {
2738 rdpe_cb_data->status = RPC_STATUS_CANCEL;
2739 }
fb69c64c
RS		 2740 if (status == RPC_STATUS_SUCCESS && res->status == NFS3_OK) {
2741 if (res->LOOKUP3res_u.resok.obj_attributes.attributes_follow) {
2742 fattr3 *attributes = &res->LOOKUP3res_u.resok.obj_attributes.post_op_attr_u.attributes;
2743
2744 nfsdirent->type = attributes->type;
2745 nfsdirent->mode = attributes->mode;
2746 nfsdirent->size = attributes->size;
2747
2748 nfsdirent->atime.tv_sec = attributes->atime.seconds;
2749 nfsdirent->atime.tv_usec = attributes->atime.nseconds/1000;
2750 nfsdirent->mtime.tv_sec = attributes->mtime.seconds;
2751 nfsdirent->mtime.tv_usec = attributes->mtime.nseconds/1000;
2752 nfsdirent->ctime.tv_sec = attributes->ctime.seconds;
2753 nfsdirent->ctime.tv_usec = attributes->ctime.nseconds/1000;
7bda8bad
RS		 2754 nfsdirent->uid = attributes->uid;
2755 nfsdirent->gid = attributes->gid;
fb69c64c
RS		 2756 }
2757 }
2758
2759 if (rdpe_cb_data->getattrcount == 0) {
2760 if (rdpe_cb_data->status != RPC_STATUS_SUCCESS) {
2761 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2762 nfs_free_nfsdir(nfsdir);
2763 } else {
2764 data->cb(0, nfs, nfsdir, data->private_data);
2765 }
2766 free(rdpe_cb_data);
2767
2768 data->continue_data = NULL;
2769 free_nfs_cb_data(data);
2770 }
2771}
2772
f3a75078 2773static void nfs_opendir2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
fb69c64c
RS		 2774{
2775 READDIR3res *res = command_data;
84004dbf
RS		 2776 struct nfs_cb_data *data = private_data;
2777 struct nfs_context *nfs = data->nfs;
fb6510bb 2778 struct nfsdir *nfsdir = data->continue_data;
fb69c64c
RS		 2779 struct nfsdirent *nfsdirent;
2780 struct entry3 *entry;
ecbd14a1 2781 uint64_t cookie = 0;
fb69c64c 2782 struct rdpe_cb_data *rdpe_cb_data;
4b1ae88a 2783
f3a75078
RS		 2784 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2785
84004dbf
RS		 2786 if (status == RPC_STATUS_ERROR) {
2787 data->cb(-EFAULT, nfs, command_data, data->private_data);
2788 nfs_free_nfsdir(nfsdir);
2789 data->continue_data = NULL;
2790 free_nfs_cb_data(data);
2791 return;
2792 }
fb69c64c 2793
84004dbf
RS		 2794 if (status == RPC_STATUS_CANCEL) {
2795 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2796 nfs_free_nfsdir(nfsdir);
2797 data->continue_data = NULL;
2798 free_nfs_cb_data(data);
2799 return;
2800 }
2801
84004dbf
RS		 2802 if (res->status != NFS3_OK) {
2803 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));
2804 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2805 nfs_free_nfsdir(nfsdir);
2806 data->continue_data = NULL;
2807 free_nfs_cb_data(data);
2808 return;
fb69c64c
RS		 2809 }
2810
2811 entry =res->READDIR3res_u.resok.reply.entries;
2812 while (entry != NULL) {
2813 nfsdirent = malloc(sizeof(struct nfsdirent));
2814 if (nfsdirent == NULL) {
2815 data->cb(-ENOMEM, nfs, "Failed to allocate dirent", data->private_data);
2816 nfs_free_nfsdir(nfsdir);
2817 data->continue_data = NULL;
2818 free_nfs_cb_data(data);
2819 return;
2820 }
2821 memset(nfsdirent, 0, sizeof(struct nfsdirent));
2822 nfsdirent->name = strdup(entry->name);
2823 if (nfsdirent->name == NULL) {
2824 data->cb(-ENOMEM, nfs, "Failed to allocate dirent->name", data->private_data);
a26bebef 2825 free(nfsdirent);
fb69c64c
RS		 2826 nfs_free_nfsdir(nfsdir);
2827 data->continue_data = NULL;
2828 free_nfs_cb_data(data);
2829 return;
2830 }
2831 nfsdirent->inode = entry->fileid;
2832
2833 nfsdirent->next = nfsdir->entries;
2834 nfsdir->entries = nfsdirent;
2835
2836 cookie = entry->cookie;
2837 entry = entry->nextentry;
2838 }
2839
2840 if (res->READDIR3res_u.resok.reply.eof == 0) {
a64a16a2
RS		 2841 READDIR3args args;
2842
2843 args.dir = data->fh;
2844 args.cookie = cookie;
2452c57f 2845 memcpy(&args.cookieverf, res->READDIR3res_u.resok.cookieverf, sizeof(cookieverf3));
a64a16a2
RS		 2846 args.count = 8192;
2847
2848 if (rpc_nfs3_readdir_async(nfs->rpc, nfs_opendir2_cb, &args, data) != 0) {
fb69c64c
RS		 2849 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR call for %s", data->path);
2850 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2851 nfs_free_nfsdir(nfsdir);
2852 data->continue_data = NULL;
2853 free_nfs_cb_data(data);
2854 return;
2855 }
2856 return;
2857 }
2858
2859 /* steal the dirhandle */
2860 nfsdir->current = nfsdir->entries;
2861
2862 rdpe_cb_data = malloc(sizeof(struct rdpe_cb_data));
2863 rdpe_cb_data->getattrcount = 0;
2864 rdpe_cb_data->status = RPC_STATUS_SUCCESS;
2865 rdpe_cb_data->data = data;
2866 for (nfsdirent = nfsdir->entries; nfsdirent; nfsdirent = nfsdirent->next) {
2867 struct rdpe_lookup_cb_data *rdpe_lookup_cb_data;
463d59bf 2868 LOOKUP3args args;
fb69c64c
RS		 2869
2870 rdpe_lookup_cb_data = malloc(sizeof(struct rdpe_lookup_cb_data));
2871 rdpe_lookup_cb_data->rdpe_cb_data = rdpe_cb_data;
2872 rdpe_lookup_cb_data->nfsdirent = nfsdirent;
2873
463d59bf 2874 memset(&args, 0, sizeof(LOOKUP3args));
2452c57f
RS		 2875 args.what.dir = data->fh;
2876 args.what.name = nfsdirent->name;
463d59bf
RS		 2877
2878 if (rpc_nfs3_lookup_async(nfs->rpc, nfs_opendir3_cb, &args, rdpe_lookup_cb_data) != 0) {
fb69c64c
RS		 2879 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR LOOKUP call");
2880
2881 /* if we have already commands in flight, we cant just stop, we have to wait for the
2882 * commands in flight to complete
2883 */
2884 if (rdpe_cb_data->getattrcount > 0) {
a26bebef
AR		 2885 nfs_free_nfsdir(nfsdir);
2886 data->continue_data = NULL;
2887 free_nfs_cb_data(data);
fb69c64c
RS		 2888 rdpe_cb_data->status = RPC_STATUS_ERROR;
2889 free(rdpe_lookup_cb_data);
2890 return;
2891 }
2892
2893 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2894 nfs_free_nfsdir(nfsdir);
2895 data->continue_data = NULL;
2896 free_nfs_cb_data(data);
2897 free(rdpe_lookup_cb_data);
2898 free(rdpe_cb_data);
2899 return;
2900 }
2901 rdpe_cb_data->getattrcount++;
2902 }
2903}
2904
f3a75078 2905static void nfs_opendir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
fb69c64c
RS		 2906{
2907 READDIRPLUS3res *res = command_data;
2908 struct nfs_cb_data *data = private_data;
2909 struct nfs_context *nfs = data->nfs;
2910 struct nfsdir *nfsdir = data->continue_data;
2911 struct entryplus3 *entry;
ecbd14a1 2912 uint64_t cookie = 0;
4b1ae88a 2913
f3a75078 2914 assert(rpc->magic == RPC_CONTEXT_MAGIC);
fb69c64c
RS		 2915
2916 if (status == RPC_STATUS_ERROR || (status == RPC_STATUS_SUCCESS && res->status == NFS3ERR_NOTSUPP) ){
a64a16a2
RS		 2917 READDIR3args args;
2918
2919 args.dir = data->fh;
2920 args.cookie = cookie;
2452c57f 2921 memset(&args.cookieverf, 0, sizeof(cookieverf3));
a64a16a2 2922 args.count = 8192;
fb69c64c 2923
a64a16a2 2924 if (rpc_nfs3_readdir_async(nfs->rpc, nfs_opendir2_cb, &args, data) != 0) {
fb69c64c
RS		 2925 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR call for %s", data->path);
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 if (status == RPC_STATUS_CANCEL) {
2936 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2937 nfs_free_nfsdir(nfsdir);
2938 data->continue_data = NULL;
2939 free_nfs_cb_data(data);
2940 return;
2941 }
2942
2943 if (res->status != NFS3_OK) {
2944 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));
2945 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2946 nfs_free_nfsdir(nfsdir);
2947 data->continue_data = NULL;
2948 free_nfs_cb_data(data);
2949 return;
84004dbf
RS		 2950 }
2951
f390f181 2952 entry =res->READDIRPLUS3res_u.resok.reply.entries;
84004dbf
RS		 2953 while (entry != NULL) {
2954 struct nfsdirent *nfsdirent;
2955
2956 nfsdirent = malloc(sizeof(struct nfsdirent));
2957 if (nfsdirent == NULL) {
2958 data->cb(-ENOMEM, nfs, "Failed to allocate dirent", data->private_data);
2959 nfs_free_nfsdir(nfsdir);
2960 data->continue_data = NULL;
2961 free_nfs_cb_data(data);
2962 return;
2963 }
ea98629a 2964 memset(nfsdirent, 0, sizeof(struct nfsdirent));
84004dbf
RS		 2965 nfsdirent->name = strdup(entry->name);
2966 if (nfsdirent->name == NULL) {
2967 data->cb(-ENOMEM, nfs, "Failed to allocate dirent->name", data->private_data);
b2fc5c54 2968 free(nfsdirent);
84004dbf
RS		 2969 nfs_free_nfsdir(nfsdir);
2970 data->continue_data = NULL;
2971 free_nfs_cb_data(data);
2972 return;
2973 }
2974 nfsdirent->inode = entry->fileid;
0804e67d
RS		 2975 if (entry->name_attributes.attributes_follow) {
2976 nfsdirent->type = entry->name_attributes.post_op_attr_u.attributes.type;
2977 nfsdirent->mode = entry->name_attributes.post_op_attr_u.attributes.mode;
2978 nfsdirent->size = entry->name_attributes.post_op_attr_u.attributes.size;
2979
2980 nfsdirent->atime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.atime.seconds;
2981 nfsdirent->atime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.atime.nseconds/1000;
2982 nfsdirent->mtime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.mtime.seconds;
2983 nfsdirent->mtime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.mtime.nseconds/1000;
2984 nfsdirent->ctime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.ctime.seconds;
2985 nfsdirent->ctime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.ctime.nseconds/1000;
7bda8bad
RS		 2986 nfsdirent->uid = entry->name_attributes.post_op_attr_u.attributes.uid;
2987 nfsdirent->gid = entry->name_attributes.post_op_attr_u.attributes.gid;
0804e67d
RS		 2988 }
2989
84004dbf
RS		 2990 nfsdirent->next = nfsdir->entries;
2991 nfsdir->entries = nfsdirent;
2992
2993 cookie = entry->cookie;
2994 entry = entry->nextentry;
2995 }
2996
f390f181 2997 if (res->READDIRPLUS3res_u.resok.reply.eof == 0) {
1a5b83c9
RS		 2998 READDIRPLUS3args args;
2999
3000 args.dir = data->fh;
3001 args.cookie = cookie;
3002 memcpy(&args.cookieverf, res->READDIRPLUS3res_u.resok.cookieverf, sizeof(cookieverf3));
3003 args.dircount = 8192;
3004 args.maxcount = 8192;
3005
3006 if (rpc_nfs3_readdirplus_async(nfs->rpc, nfs_opendir_cb, &args, data) != 0) {
f390f181 3007 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIRPLUS call for %s", data->path);
84004dbf
RS		 3008 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3009 nfs_free_nfsdir(nfsdir);
3010 data->continue_data = NULL;
3011 free_nfs_cb_data(data);
3012 return;
3013 }
3014 return;
3015 }
3016
3017 /* steal the dirhandle */
3018 data->continue_data = NULL;
3019 nfsdir->current = nfsdir->entries;
3020
3021 data->cb(0, nfs, nfsdir, data->private_data);
3022 free_nfs_cb_data(data);
3023}
3024
3025static int nfs_opendir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3026{
1a5b83c9 3027 READDIRPLUS3args args;
84004dbf 3028
1a5b83c9
RS		 3029 args.dir = data->fh;
3030 args.cookie = 0;
3031 memset(&args.cookieverf, 0, sizeof(cookieverf3));
3032 args.dircount = 8192;
3033 args.maxcount = 8192;
3034 if (rpc_nfs3_readdirplus_async(nfs->rpc, nfs_opendir_cb, &args, data) != 0) {
f390f181 3035 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIRPLUS call for %s", data->path);
84004dbf
RS		 3036 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3037 free_nfs_cb_data(data);
3038 return -1;
3039 }
3040 return 0;
3041}
3042
3043int nfs_opendir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
3044{
3045 struct nfsdir *nfsdir;
3046
3047 nfsdir = malloc(sizeof(struct nfsdir));
3048 if (nfsdir == NULL) {
cbbf9d3e 3049 rpc_set_error(nfs->rpc, "failed to allocate buffer for nfsdir");
84004dbf
RS		 3050 return -1;
3051 }
ea98629a 3052 memset(nfsdir, 0, sizeof(struct nfsdir));
84004dbf
RS		 3053
3054 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_opendir_continue_internal, nfsdir, free, 0) != 0) {
cbbf9d3e
RS		 3055 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
3056 return -1;
84004dbf
RS		 3057 }
3058
3059 return 0;
3060}
3061
3062
3063struct nfsdirent *nfs_readdir(struct nfs_context *nfs _U_, struct nfsdir *nfsdir)
3064{
3065 struct nfsdirent *nfsdirent = nfsdir->current;
3066
3067 if (nfsdir->current != NULL) {
3068 nfsdir->current = nfsdir->current->next;
3069 }
3070 return nfsdirent;
3071}
3072
3073
f893b680
RS		 3074/*
3075 * closedir()
3076 */
84004dbf
RS		 3077void nfs_closedir(struct nfs_context *nfs _U_, struct nfsdir *nfsdir)
3078{
3079 nfs_free_nfsdir(nfsdir);
3080}
3081
3082
f893b680
RS		 3083/*
3084 * getcwd()
3085 */
3086void nfs_getcwd(struct nfs_context *nfs, const char **cwd)
3087{
3088 if (cwd) {
3089 *cwd = nfs->cwd;
3090 }
3091}
84004dbf
RS		 3092
3093
3094/*
3095 * Async lseek()
3096 */
3097struct lseek_cb_data {
3098 struct nfs_context *nfs;
3099 struct nfsfh *nfsfh;
183451cf 3100 uint64_t offset;
84004dbf
RS		 3101 nfs_cb cb;
3102 void *private_data;
3103};
3104
f3a75078 3105static void nfs_lseek_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3106{
3107 GETATTR3res *res;
3108 struct lseek_cb_data *data = private_data;
3109 struct nfs_context *nfs = data->nfs;
3110
f3a75078
RS		 3111 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3112
84004dbf
RS		 3113 if (status == RPC_STATUS_ERROR) {
3114 data->cb(-EFAULT, nfs, command_data, data->private_data);
3115 free(data);
3116 return;
3117 }
3118 if (status == RPC_STATUS_CANCEL) {
3119 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3120 free(data);
3121 return;
3122 }
3123
3124 res = command_data;
3125 if (res->status != NFS3_OK) {
3126 rpc_set_error(nfs->rpc, "NFS: GETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
3127 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3128 free(data);
3129 return;
3130 }
3131
3132 data->nfsfh->offset = data->offset + res->GETATTR3res_u.resok.obj_attributes.size;
3133 data->cb(0, nfs, &data->nfsfh->offset, data->private_data);
3134 free(data);
3135}
3136
183451cf 3137int nfs_lseek_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t offset, int whence, nfs_cb cb, void *private_data)
84004dbf
RS		 3138{
3139 struct lseek_cb_data *data;
463d59bf 3140 struct GETATTR3args args;
84004dbf
RS		 3141
3142 if (whence == SEEK_SET) {
3143 nfsfh->offset = offset;
3144 cb(0, nfs, &nfsfh->offset, private_data);
3145 return 0;
3146 }
3147 if (whence == SEEK_CUR) {
3148 nfsfh->offset += offset;
3149 cb(0, nfs, &nfsfh->offset, private_data);
3150 return 0;
3151 }
3152
3153 data = malloc(sizeof(struct lseek_cb_data));
3154 if (data == NULL) {
3155 rpc_set_error(nfs->rpc, "Out Of Memory: Failed to malloc lseek cb data");
3156 return -1;
3157 }
3158
3159 data->nfs = nfs;
3160 data->nfsfh = nfsfh;
3161 data->offset = offset;
3162 data->cb = cb;
3163 data->private_data = private_data;
3164
463d59bf 3165 memset(&args, 0, sizeof(GETATTR3args));
2452c57f 3166 args.object = nfsfh->fh;
463d59bf
RS		 3167
3168 if (rpc_nfs3_getattr_async(nfs->rpc, nfs_lseek_1_cb, &args, data) != 0) {
84004dbf
RS		 3169 rpc_set_error(nfs->rpc, "RPC error: Failed to send LSEEK GETATTR call");
3170 free(data);
cbbf9d3e 3171 return -1;
84004dbf
RS		 3172 }
3173 return 0;
3174}
3175
3176
3177
3178
3179/*
3180 * Async statvfs()
3181 */
f3a75078 3182static void nfs_statvfs_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3183{
3184 FSSTAT3res *res;
3185 struct nfs_cb_data *data = private_data;
3186 struct nfs_context *nfs = data->nfs;
3187 struct statvfs svfs;
3188
f3a75078
RS		 3189 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3190
84004dbf
RS		 3191 if (status == RPC_STATUS_ERROR) {
3192 data->cb(-EFAULT, nfs, command_data, data->private_data);
3193 free_nfs_cb_data(data);
3194 return;
3195 }
3196 if (status == RPC_STATUS_CANCEL) {
3197 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3198 free_nfs_cb_data(data);
3199 return;
3200 }
3201
3202 res = command_data;
3203 if (res->status != NFS3_OK) {
3204 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));
3205 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3206 free_nfs_cb_data(data);
3207 return;
3208 }
3209
3210 svfs.f_bsize = 4096;
3211 svfs.f_frsize = 4096;
3212 svfs.f_blocks = res->FSSTAT3res_u.resok.tbytes/4096;
3213 svfs.f_bfree = res->FSSTAT3res_u.resok.fbytes/4096;
3214 svfs.f_bavail = res->FSSTAT3res_u.resok.abytes/4096;
3215 svfs.f_files = res->FSSTAT3res_u.resok.tfiles;
3216 svfs.f_ffree = res->FSSTAT3res_u.resok.ffiles;
252aa90d 3217#if !defined(ANDROID)
84004dbf
RS		 3218 svfs.f_favail = res->FSSTAT3res_u.resok.afiles;
3219 svfs.f_fsid = 0;
3220 svfs.f_flag = 0;
3221 svfs.f_namemax = 256;
252aa90d 3222#endif
84004dbf
RS		 3223
3224 data->cb(0, nfs, &svfs, data->private_data);
3225 free_nfs_cb_data(data);
3226}
3227
3228static int nfs_statvfs_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3229{
0249c17b
RS		 3230 FSSTAT3args args;
3231
3232 args.fsroot = data->fh;
3233 if (rpc_nfs3_fsstat_async(nfs->rpc, nfs_statvfs_1_cb, &args, data) != 0) {
84004dbf
RS		 3234 rpc_set_error(nfs->rpc, "RPC error: Failed to send FSSTAT call for %s", data->path);
3235 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3236 free_nfs_cb_data(data);
3237 return -1;
3238 }
3239 return 0;
3240}
3241
3242int nfs_statvfs_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
3243{
3244 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_statvfs_continue_internal, NULL, NULL, 0) != 0) {
cbbf9d3e 3245 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3246 return -1;
3247 }
3248
3249 return 0;
3250}
3251
3252
3253
3254
3255/*
3256 * Async readlink()
3257 */
f3a75078 3258static void nfs_readlink_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3259{
3260 READLINK3res *res;
3261 struct nfs_cb_data *data = private_data;
3262 struct nfs_context *nfs = data->nfs;
3263
f3a75078
RS		 3264 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3265
84004dbf
RS		 3266 if (status == RPC_STATUS_ERROR) {
3267 data->cb(-EFAULT, nfs, command_data, data->private_data);
3268 free_nfs_cb_data(data);
3269 return;
3270 }
3271 if (status == RPC_STATUS_CANCEL) {
3272 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3273 free_nfs_cb_data(data);
3274 return;
3275 }
3276
3277 res = command_data;
3278 if (res->status != NFS3_OK) {
3279 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));
3280 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3281 free_nfs_cb_data(data);
3282 return;
3283 }
3284
4b1ae88a 3285
84004dbf
RS		 3286 data->cb(0, nfs, res->READLINK3res_u.resok.data, data->private_data);
3287 free_nfs_cb_data(data);
3288}
3289
3290static int nfs_readlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3291{
16104b27
RS		 3292 READLINK3args args;
3293
2452c57f 3294 args.symlink = data->fh;
16104b27 3295
7cd23ccc 3296 if (rpc_nfs3_readlink_async(nfs->rpc, nfs_readlink_1_cb, &args, data) != 0) {
84004dbf
RS		 3297 rpc_set_error(nfs->rpc, "RPC error: Failed to send READLINK call for %s", data->path);
3298 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3299 free_nfs_cb_data(data);
3300 return -1;
3301 }
3302 return 0;
3303}
3304
3305int nfs_readlink_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
3306{
3307 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_readlink_continue_internal, NULL, NULL, 0) != 0) {
cbbf9d3e 3308 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3309 return -1;
3310 }
3311
3312 return 0;
3313}
3314
3315
3316
3317
3318/*
3319 * Async chmod()
3320 */
f3a75078 3321static void nfs_chmod_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3322{
3323 struct nfs_cb_data *data = private_data;
3324 struct nfs_context *nfs = data->nfs;
3325 SETATTR3res *res;
3326
f3a75078
RS		 3327 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3328
84004dbf
RS		 3329 if (status == RPC_STATUS_ERROR) {
3330 data->cb(-EFAULT, nfs, command_data, data->private_data);
3331 free_nfs_cb_data(data);
3332 return;
3333 }
3334 if (status == RPC_STATUS_CANCEL) {
3335 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3336 free_nfs_cb_data(data);
3337 return;
3338 }
3339
3340 res = command_data;
3341 if (res->status != NFS3_OK) {
3342 rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
3343 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3344 free_nfs_cb_data(data);
3345 return;
3346 }
3347
3348 data->cb(0, nfs, NULL, data->private_data);
3349 free_nfs_cb_data(data);
3350}
3351
3352static int nfs_chmod_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3353{
3354 SETATTR3args args;
3355
ea98629a 3356 memset(&args, 0, sizeof(SETATTR3args));
2452c57f 3357 args.object = data->fh;
84004dbf
RS		 3358 args.new_attributes.mode.set_it = 1;
3359 args.new_attributes.mode.set_mode3_u.mode = data->continue_int;
3360
b701254d 3361 if (rpc_nfs3_setattr_async(nfs->rpc, nfs_chmod_cb, &args, data) != 0) {
84004dbf
RS		 3362 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
3363 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3364 free_nfs_cb_data(data);
3365 return -1;
3366 }
3367 return 0;
3368}
3369
3370
3371int nfs_chmod_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data)
3372{
3373 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_chmod_continue_internal, NULL, NULL, mode) != 0) {
cbbf9d3e 3374 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3375 return -1;
3376 }
3377
3378 return 0;
3379}
3380
3381/*
3382 * Async fchmod()
3383 */
3384int nfs_fchmod_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int mode, nfs_cb cb, void *private_data)
3385{
3386 struct nfs_cb_data *data;
3387
3388 data = malloc(sizeof(struct nfs_cb_data));
3389 if (data == NULL) {
cbbf9d3e 3390 rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for nfs mount data");
84004dbf
RS		 3391 return -1;
3392 }
ea98629a 3393 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 3394 data->nfs = nfs;
3395 data->cb = cb;
3396 data->private_data = private_data;
3397 data->continue_int = mode;
3398 data->fh.data.data_len = nfsfh->fh.data.data_len;
3399 data->fh.data.data_val = malloc(data->fh.data.data_len);
3400 if (data->fh.data.data_val == NULL) {
3401 rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh");
3402 free_nfs_cb_data(data);
3403 return -1;
3404 }
3405 memcpy(data->fh.data.data_val, nfsfh->fh.data.data_val, data->fh.data.data_len);
3406
3407 if (nfs_chmod_continue_internal(nfs, data) != 0) {
84004dbf
RS		 3408 return -1;
3409 }
3410
3411 return 0;
3412}
3413
3414
3415
3416/*
3417 * Async chown()
3418 */
f3a75078 3419static void nfs_chown_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3420{
3421 struct nfs_cb_data *data = private_data;
3422 struct nfs_context *nfs = data->nfs;
3423 SETATTR3res *res;
3424
f3a75078
RS		 3425 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3426
84004dbf
RS		 3427 if (status == RPC_STATUS_ERROR) {
3428 data->cb(-EFAULT, nfs, command_data, data->private_data);
3429 free_nfs_cb_data(data);
3430 return;
3431 }
3432 if (status == RPC_STATUS_CANCEL) {
3433 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3434 free_nfs_cb_data(data);
3435 return;
3436 }
3437
3438 res = command_data;
3439 if (res->status != NFS3_OK) {
3440 rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
3441 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3442 free_nfs_cb_data(data);
3443 return;
3444 }
3445
3446 data->cb(0, nfs, NULL, data->private_data);
3447 free_nfs_cb_data(data);
3448}
3449
3450struct nfs_chown_data {
3451 uid_t uid;
3452 gid_t gid;
3453};
3454
3455static int nfs_chown_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3456{
3457 SETATTR3args args;
3458 struct nfs_chown_data *chown_data = data->continue_data;
3459
ea98629a 3460 memset(&args, 0, sizeof(SETATTR3args));
2452c57f 3461 args.object = data->fh;
84004dbf
RS		 3462 if (chown_data->uid != (uid_t)-1) {
3463 args.new_attributes.uid.set_it = 1;
3464 args.new_attributes.uid.set_uid3_u.uid = chown_data->uid;
3465 }
3466 if (chown_data->gid != (gid_t)-1) {
3467 args.new_attributes.gid.set_it = 1;
3468 args.new_attributes.gid.set_gid3_u.gid = chown_data->gid;
3469 }
3470
b701254d 3471 if (rpc_nfs3_setattr_async(nfs->rpc, nfs_chown_cb, &args, data) != 0) {
84004dbf
RS		 3472 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
3473 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3474 free_nfs_cb_data(data);
3475 return -1;
3476 }
3477 return 0;
3478}
3479
3480
3481int nfs_chown_async(struct nfs_context *nfs, const char *path, int uid, int gid, nfs_cb cb, void *private_data)
3482{
3483 struct nfs_chown_data *chown_data;
3484
3485 chown_data = malloc(sizeof(struct nfs_chown_data));
3486 if (chown_data == NULL) {
cbbf9d3e 3487 rpc_set_error(nfs->rpc, "Failed to allocate memory for chown data structure");
84004dbf
RS		 3488 return -1;
3489 }
3490
3491 chown_data->uid = uid;
3492 chown_data->gid = gid;
3493
3494 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_chown_continue_internal, chown_data, free, 0) != 0) {
cbbf9d3e 3495 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3496 return -1;
3497 }
3498
3499 return 0;
3500}
3501
3502
3503/*
3504 * Async fchown()
3505 */
3506int nfs_fchown_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int uid, int gid, nfs_cb cb, void *private_data)
3507{
3508 struct nfs_cb_data *data;
3509 struct nfs_chown_data *chown_data;
3510
3511 chown_data = malloc(sizeof(struct nfs_chown_data));
3512 if (chown_data == NULL) {
cbbf9d3e 3513 rpc_set_error(nfs->rpc, "Failed to allocate memory for chown data structure");
84004dbf
RS		 3514 return -1;
3515 }
3516
3517 chown_data->uid = uid;
3518 chown_data->gid = gid;
3519
84004dbf
RS		 3520 data = malloc(sizeof(struct nfs_cb_data));
3521 if (data == NULL) {
cbbf9d3e 3522 rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for fchown data");
b6619d88 3523 free(chown_data);
84004dbf
RS		 3524 return -1;
3525 }
ea98629a 3526 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 3527 data->nfs = nfs;
3528 data->cb = cb;
3529 data->private_data = private_data;
3530 data->continue_data = chown_data;
6b1f14ca 3531 data->free_continue_data = free;
84004dbf
RS		 3532 data->fh.data.data_len = nfsfh->fh.data.data_len;
3533 data->fh.data.data_val = malloc(data->fh.data.data_len);
3534 if (data->fh.data.data_val == NULL) {
3535 rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh");
3536 free_nfs_cb_data(data);
3537 return -1;
3538 }
3539 memcpy(data->fh.data.data_val, nfsfh->fh.data.data_val, data->fh.data.data_len);
3540
84004dbf 3541 if (nfs_chown_continue_internal(nfs, data) != 0) {
84004dbf
RS		 3542 return -1;
3543 }
3544
3545 return 0;
3546}
3547
3548
3549
3550
3551
3552/*
3553 * Async utimes()
3554 */
f3a75078 3555static void nfs_utimes_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3556{
3557 struct nfs_cb_data *data = private_data;
3558 struct nfs_context *nfs = data->nfs;
3559 SETATTR3res *res;
3560
f3a75078
RS		 3561 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3562
84004dbf
RS		 3563 if (status == RPC_STATUS_ERROR) {
3564 data->cb(-EFAULT, nfs, command_data, data->private_data);
3565 free_nfs_cb_data(data);
3566 return;
3567 }
3568 if (status == RPC_STATUS_CANCEL) {
3569 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3570 free_nfs_cb_data(data);
3571 return;
3572 }
3573
3574 res = command_data;
3575 if (res->status != NFS3_OK) {
3576 rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
3577 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3578 free_nfs_cb_data(data);
3579 return;
3580 }
3581
3582 data->cb(0, nfs, NULL, data->private_data);
3583 free_nfs_cb_data(data);
3584}
3585
3586static int nfs_utimes_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3587{
3588 SETATTR3args args;
3589 struct timeval *utimes_data = data->continue_data;
3590
ea98629a 3591 memset(&args, 0, sizeof(SETATTR3args));
2452c57f 3592 args.object = data->fh;
84004dbf
RS		 3593 if (utimes_data != NULL) {
3594 args.new_attributes.atime.set_it = SET_TO_CLIENT_TIME;
3595 args.new_attributes.atime.set_atime_u.atime.seconds = utimes_data[0].tv_sec;
3596 args.new_attributes.atime.set_atime_u.atime.nseconds = utimes_data[0].tv_usec * 1000;
3597 args.new_attributes.mtime.set_it = SET_TO_CLIENT_TIME;
3598 args.new_attributes.mtime.set_mtime_u.mtime.seconds = utimes_data[1].tv_sec;
3599 args.new_attributes.mtime.set_mtime_u.mtime.nseconds = utimes_data[1].tv_usec * 1000;
3600 } else {
3601 args.new_attributes.atime.set_it = SET_TO_SERVER_TIME;
3602 args.new_attributes.mtime.set_it = SET_TO_SERVER_TIME;
3603 }
3604
b701254d 3605 if (rpc_nfs3_setattr_async(nfs->rpc, nfs_utimes_cb, &args, data) != 0) {
84004dbf
RS		 3606 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
3607 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3608 free_nfs_cb_data(data);
3609 return -1;
3610 }
3611 return 0;
3612}
3613
3614
3615int nfs_utimes_async(struct nfs_context *nfs, const char *path, struct timeval *times, nfs_cb cb, void *private_data)
3616{
3617 struct timeval *new_times = NULL;
3618
3619 if (times != NULL) {
3620 new_times = malloc(sizeof(struct timeval)*2);
3621 if (new_times == NULL) {
cbbf9d3e 3622 rpc_set_error(nfs->rpc, "Failed to allocate memory for timeval structure");
84004dbf
RS		 3623 return -1;
3624 }
3625
3626 memcpy(new_times, times, sizeof(struct timeval)*2);
3627 }
3628
3629 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_utimes_continue_internal, new_times, free, 0) != 0) {
cbbf9d3e 3630 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3631 return -1;
3632 }
3633
3634 return 0;
3635}
3636
3637/*
3638 * Async utime()
3639 */
3640int nfs_utime_async(struct nfs_context *nfs, const char *path, struct utimbuf *times, nfs_cb cb, void *private_data)
3641{
3642 struct timeval *new_times = NULL;
3643
3644 if (times != NULL) {
3645 new_times = malloc(sizeof(struct timeval)*2);
3646 if (new_times == NULL) {
cbbf9d3e 3647 rpc_set_error(nfs->rpc, "Failed to allocate memory for timeval structure");
84004dbf
RS		 3648 return -1;
3649 }
3650
3651 new_times[0].tv_sec = times->actime;
3652 new_times[0].tv_usec = 0;
3653 new_times[1].tv_sec = times->modtime;
3654 new_times[1].tv_usec = 0;
3655 }
3656
3657 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_utimes_continue_internal, new_times, free, 0) != 0) {
cbbf9d3e 3658 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3659 return -1;
3660 }
3661
3662 return 0;
3663}
84004dbf
RS		 3664
3665
3666/*
3667 * Async access()
3668 */
f3a75078 3669static void nfs_access_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3670{
3671 ACCESS3res *res;
3672 struct nfs_cb_data *data = private_data;
3673 struct nfs_context *nfs = data->nfs;
3674 unsigned int nfsmode = 0;
3675
f3a75078
RS		 3676 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3677
84004dbf
RS		 3678 if (status == RPC_STATUS_ERROR) {
3679 data->cb(-EFAULT, nfs, command_data, data->private_data);
3680 free_nfs_cb_data(data);
3681 return;
3682 }
3683 if (status == RPC_STATUS_CANCEL) {
3684 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3685 free_nfs_cb_data(data);
3686 return;
3687 }
3688
3689 res = command_data;
3690 if (res->status != NFS3_OK) {
3691 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));
3692 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3693 free_nfs_cb_data(data);
3694 return;
3695 }
3696
3697 if (data->continue_int & R_OK) {
3698 nfsmode |= ACCESS3_READ;
3699 }
3700 if (data->continue_int & W_OK) {
3701 nfsmode |= ACCESS3_MODIFY;
3702 }
3703 if (data->continue_int & X_OK) {
3704 nfsmode |= ACCESS3_EXECUTE;
3705 }
3706
3707 if (res->ACCESS3res_u.resok.access != nfsmode) {
3708 rpc_set_error(nfs->rpc, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c",
3709 nfsmode&ACCESS3_READ?'r':'-',
3710 nfsmode&ACCESS3_MODIFY?'w':'-',
3711 nfsmode&ACCESS3_EXECUTE?'x':'-',
3712 res->ACCESS3res_u.resok.access&ACCESS3_READ?'r':'-',
3713 res->ACCESS3res_u.resok.access&ACCESS3_MODIFY?'w':'-',
3714 res->ACCESS3res_u.resok.access&ACCESS3_EXECUTE?'x':'-');
3715 data->cb(-EACCES, nfs, rpc_get_error(nfs->rpc), data->private_data);
3716 free_nfs_cb_data(data);
3717 return;
3718 }
3719
3720 data->cb(0, nfs, NULL, data->private_data);
3721 free_nfs_cb_data(data);
3722}
3723
3724static int nfs_access_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3725{
3726 int nfsmode = 0;
463d59bf 3727 ACCESS3args args;
84004dbf
RS		 3728
3729 if (data->continue_int & R_OK) {
3730 nfsmode |= ACCESS3_READ;
3731 }
3732 if (data->continue_int & W_OK) {
3733 nfsmode |= ACCESS3_MODIFY;
3734 }
3735 if (data->continue_int & X_OK) {
3736 nfsmode |= ACCESS3_EXECUTE;
3737 }
3738
463d59bf 3739 memset(&args, 0, sizeof(ACCESS3args));
2452c57f 3740 args.object = data->fh;
463d59bf
RS		 3741 args.access = nfsmode;
3742
3743 if (rpc_nfs3_access_async(nfs->rpc, nfs_access_cb, &args, data) != 0) {
84004dbf
RS		 3744 rpc_set_error(nfs->rpc, "RPC error: Failed to send OPEN ACCESS call for %s", data->path);
3745 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3746 free_nfs_cb_data(data);
3747 return -1;
3748 }
3749 return 0;
3750}
3751
3752int nfs_access_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data)
3753{
3754 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_access_continue_internal, NULL, NULL, mode) != 0) {
cbbf9d3e
RS		 3755 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
3756 return -1;
84004dbf
RS		 3757 }
3758
3759 return 0;
3760}
3761
3762
3763
3764/*
3765 * Async symlink()
3766 */
3767struct nfs_symlink_data {
3768 char *oldpath;
3769 char *newpathparent;
3770 char *newpathobject;
3771};
3772
3773static void free_nfs_symlink_data(void *mem)
3774{
3775 struct nfs_symlink_data *data = mem;
3776
3777 if (data->oldpath != NULL) {
3778 free(data->oldpath);
3779 }
3780 if (data->newpathparent != NULL) {
3781 free(data->newpathparent);
3782 }
3783 if (data->newpathobject != NULL) {
3784 free(data->newpathobject);
3785 }
3786 free(data);
3787}
3788
f3a75078 3789static void nfs_symlink_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3790{
3791 SYMLINK3res *res;
3792 struct nfs_cb_data *data = private_data;
3793 struct nfs_context *nfs = data->nfs;
3794 struct nfs_symlink_data *symlink_data = data->continue_data;
4b1ae88a 3795
f3a75078
RS		 3796 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3797
84004dbf
RS		 3798 if (status == RPC_STATUS_ERROR) {
3799 data->cb(-EFAULT, nfs, command_data, data->private_data);
3800 free_nfs_cb_data(data);
3801 return;
3802 }
3803 if (status == RPC_STATUS_CANCEL) {
3804 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3805 free_nfs_cb_data(data);
3806 return;
3807 }
3808
3809 res = command_data;
3810 if (res->status != NFS3_OK) {
3811 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));
3812 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3813 free_nfs_cb_data(data);
3814 return;
3815 }
3816
3817 data->cb(0, nfs, NULL, data->private_data);
3818 free_nfs_cb_data(data);
3819}
3820
3821static int nfs_symlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3822{
3823 struct nfs_symlink_data *symlink_data = data->continue_data;
87f81c85 3824 SYMLINK3args args;
84004dbf 3825
87f81c85 3826 memset(&args, 0, sizeof(SYMLINK3args));
2452c57f 3827 args.where.dir = data->fh;
87f81c85
RS		 3828 args.where.name = symlink_data->newpathobject;
3829 args.symlink.symlink_attributes.mode.set_it = 1;
3830 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;
3831 args.symlink.symlink_data = symlink_data->oldpath;
8e255816 3832
87f81c85 3833 if (rpc_nfs3_symlink_async(nfs->rpc, nfs_symlink_cb, &args, data) != 0) {
84004dbf
RS		 3834 rpc_set_error(nfs->rpc, "RPC error: Failed to send SYMLINK call for %s", data->path);
3835 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3836 free_nfs_cb_data(data);
3837 return -1;
3838 }
3839 return 0;
3840}
3841
3842int nfs_symlink_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data)
3843{
3844 char *ptr;
3845 struct nfs_symlink_data *symlink_data;
3846
3847 symlink_data = malloc(sizeof(struct nfs_symlink_data));
3848 if (symlink_data == NULL) {
cbbf9d3e 3849 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for symlink data");
84004dbf
RS		 3850 return -1;
3851 }
ea98629a 3852 memset(symlink_data, 0, sizeof(struct nfs_symlink_data));
84004dbf
RS		 3853
3854 symlink_data->oldpath = strdup(oldpath);
3855 if (symlink_data->oldpath == NULL) {
cbbf9d3e 3856 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath");
84004dbf 3857 free_nfs_symlink_data(symlink_data);
cbbf9d3e 3858 return -1;
84004dbf
RS		 3859 }
3860
3861 symlink_data->newpathparent = strdup(newpath);
3862 if (symlink_data->newpathparent == NULL) {
cbbf9d3e 3863 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for new path");
84004dbf 3864 free_nfs_symlink_data(symlink_data);
cbbf9d3e 3865 return -1;
84004dbf
RS		 3866 }
3867
93e9306f 3868 ptr = strrchr(symlink_data->newpathparent, '/');
84004dbf 3869 if (ptr == NULL) {
cbbf9d3e 3870 rpc_set_error(nfs->rpc, "Invalid path %s", oldpath);
84004dbf 3871 free_nfs_symlink_data(symlink_data);
cbbf9d3e 3872 return -1;
84004dbf
RS		 3873 }
3874 *ptr = 0;
3875 ptr++;
3876
3877 symlink_data->newpathobject = strdup(ptr);
3878 if (symlink_data->newpathobject == NULL) {
cbbf9d3e 3879 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for new path");
84004dbf 3880 free_nfs_symlink_data(symlink_data);
cbbf9d3e 3881 return -1;
84004dbf
RS		 3882 }
3883
3884 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		 3885 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
3886 return -1;
84004dbf
RS		 3887 }
3888
3889 return 0;
3890}
3891
3892
3893
3894/*
3895 * Async rename()
3896 */
3897struct nfs_rename_data {
3898 char *oldpath;
3899 char *oldobject;
3900 struct nfs_fh3 olddir;
3901 char *newpath;
3902 char *newobject;
3903 struct nfs_fh3 newdir;
3904};
3905
3906static void free_nfs_rename_data(void *mem)
3907{
3908 struct nfs_rename_data *data = mem;
3909
3910 if (data->oldpath != NULL) {
3911 free(data->oldpath);
3912 }
3913 if (data->olddir.data.data_val != NULL) {
3914 free(data->olddir.data.data_val);
3915 }
3916 if (data->newpath != NULL) {
3917 free(data->newpath);
3918 }
3919 if (data->newdir.data.data_val != NULL) {
3920 free(data->newdir.data.data_val);
3921 }
3922 free(data);
3923}
3924
f3a75078 3925static void nfs_rename_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3926{
3927 RENAME3res *res;
3928 struct nfs_cb_data *data = private_data;
3929 struct nfs_context *nfs = data->nfs;
3930 struct nfs_rename_data *rename_data = data->continue_data;
4b1ae88a 3931
f3a75078
RS		 3932 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3933
84004dbf
RS		 3934 if (status == RPC_STATUS_ERROR) {
3935 data->cb(-EFAULT, nfs, command_data, data->private_data);
3936 free_nfs_cb_data(data);
3937 return;
3938 }
3939 if (status == RPC_STATUS_CANCEL) {
3940 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3941 free_nfs_cb_data(data);
3942 return;
3943 }
3944
3945 res = command_data;
3946 if (res->status != NFS3_OK) {
3947 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));
3948 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3949 free_nfs_cb_data(data);
3950 return;
3951 }
3952
3953 data->cb(0, nfs, NULL, data->private_data);
3954 free_nfs_cb_data(data);
3955}
3956
3957static int nfs_rename_continue_2_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3958{
3959 struct nfs_rename_data *rename_data = data->continue_data;
5940c705 3960 RENAME3args args;
84004dbf
RS		 3961
3962 /* steal the filehandle */
2452c57f 3963 rename_data->newdir = data->fh;
84004dbf
RS		 3964 data->fh.data.data_val = NULL;
3965
5940c705
RS		 3966 args.from.dir = rename_data->olddir;
3967 args.from.name = rename_data->oldobject;
3968 args.to.dir = rename_data->newdir;
3969 args.to.name = rename_data->newobject;
3970 if (rpc_nfs3_rename_async(nfs->rpc, nfs_rename_cb, &args, data) != 0) {
84004dbf
RS		 3971 rpc_set_error(nfs->rpc, "RPC error: Failed to send RENAME call for %s", data->path);
3972 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3973 free_nfs_cb_data(data);
3974 return -1;
3975 }
3976 return 0;
3977}
3978
3979
3980static int nfs_rename_continue_1_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3981{
3982 struct nfs_rename_data *rename_data = data->continue_data;
766bb4af
AR		 3983 char* newpath = strdup(rename_data->newpath);
3984 if (!newpath) {
3985 rpc_set_error(nfs->rpc, "Out of memory. Could not allocate memory to store target path for rename");
3986 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3987 free_nfs_cb_data(data);
3988 return -1;
3989 }
84004dbf
RS		 3990
3991 /* steal the filehandle */
2452c57f 3992 rename_data->olddir = data->fh;
84004dbf
RS		 3993 data->fh.data.data_val = NULL;
3994
3995 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 3996 rpc_set_error(nfs->rpc, "RPC error: Failed to send LOOKUP call for %s", newpath);
84004dbf
RS		 3997 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3998 free_nfs_cb_data(data);
766bb4af 3999 free(newpath);
84004dbf
RS		 4000 return -1;
4001 }
4002 data->continue_data = NULL;
4003 free_nfs_cb_data(data);
766bb4af 4004 free(newpath);
84004dbf
RS		 4005
4006 return 0;
4007}
4008
4009
4010int nfs_rename_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data)
4011{
4012 char *ptr;
4013 struct nfs_rename_data *rename_data;
4014
4015 rename_data = malloc(sizeof(struct nfs_rename_data));
4016 if (rename_data == NULL) {
cbbf9d3e 4017 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for rename data");
84004dbf
RS		 4018 return -1;
4019 }
ea98629a 4020 memset(rename_data, 0, sizeof(struct nfs_rename_data));
84004dbf
RS		 4021
4022 rename_data->oldpath = strdup(oldpath);
4023 if (rename_data->oldpath == NULL) {
cbbf9d3e 4024 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath");
84004dbf 4025 free_nfs_rename_data(rename_data);
cbbf9d3e 4026 return -1;
84004dbf 4027 }
93e9306f 4028 ptr = strrchr(rename_data->oldpath, '/');
84004dbf 4029 if (ptr == NULL) {
cbbf9d3e 4030 rpc_set_error(nfs->rpc, "Invalid path %s", oldpath);
84004dbf 4031 free_nfs_rename_data(rename_data);
cbbf9d3e 4032 return -1;
84004dbf
RS		 4033 }
4034 *ptr = 0;
4035 ptr++;
4036 rename_data->oldobject = ptr;
4037
4038
4039 rename_data->newpath = strdup(newpath);
4040 if (rename_data->newpath == NULL) {
cbbf9d3e 4041 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for newpath");
84004dbf 4042 free_nfs_rename_data(rename_data);
cbbf9d3e 4043 return -1;
84004dbf 4044 }
93e9306f 4045 ptr = strrchr(rename_data->newpath, '/');
84004dbf 4046 if (ptr == NULL) {
cbbf9d3e 4047 rpc_set_error(nfs->rpc, "Invalid path %s", newpath);
84004dbf 4048 free_nfs_rename_data(rename_data);
cbbf9d3e 4049 return -1;
84004dbf
RS		 4050 }
4051 *ptr = 0;
4052 ptr++;
4053 rename_data->newobject = ptr;
4054
4055
4056 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		 4057 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
4058 return -1;
84004dbf
RS		 4059 }
4060
4061 return 0;
4062}
4063
4064
4065/*
4066 * Async link()
4067 */
4068struct nfs_link_data {
4069 char *oldpath;
4070 struct nfs_fh3 oldfh;
4071 char *newpath;
4072 char *newobject;
4073 struct nfs_fh3 newdir;
4074};
4075
4076static void free_nfs_link_data(void *mem)
4077{
4078 struct nfs_link_data *data = mem;
4079
4080 if (data->oldpath != NULL) {
4081 free(data->oldpath);
4082 }
4083 if (data->oldfh.data.data_val != NULL) {
4084 free(data->oldfh.data.data_val);
4085 }
4086 if (data->newpath != NULL) {
4087 free(data->newpath);
4088 }
4089 if (data->newdir.data.data_val != NULL) {
4090 free(data->newdir.data.data_val);
4091 }
4092 free(data);
4093}
4094
f3a75078 4095static void nfs_link_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 4096{
4097 LINK3res *res;
4098 struct nfs_cb_data *data = private_data;
4099 struct nfs_context *nfs = data->nfs;
4100 struct nfs_link_data *link_data = data->continue_data;
4b1ae88a 4101
f3a75078
RS		 4102 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4103
84004dbf
RS		 4104 if (status == RPC_STATUS_ERROR) {
4105 data->cb(-EFAULT, nfs, command_data, data->private_data);
4106 free_nfs_cb_data(data);
4107 return;
4108 }
4109 if (status == RPC_STATUS_CANCEL) {
4110 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
4111 free_nfs_cb_data(data);
4112 return;
4113 }
4114
4115 res = command_data;
4116 if (res->status != NFS3_OK) {
4117 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));
4118 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
4119 free_nfs_cb_data(data);
4120 return;
4121 }
4122
4123 data->cb(0, nfs, NULL, data->private_data);
4124 free_nfs_cb_data(data);
4125}
4126
4127static int nfs_link_continue_2_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
4128{
4129 struct nfs_link_data *link_data = data->continue_data;
560f9434 4130 LINK3args args;
84004dbf
RS		 4131
4132 /* steal the filehandle */
2452c57f 4133 link_data->newdir = data->fh;
84004dbf
RS		 4134 data->fh.data.data_val = NULL;
4135
560f9434
RS		 4136 memset(&args, 0, sizeof(LINK3args));
4137 args.file = link_data->oldfh;
4138 args.link.dir = link_data->newdir;
4139 args.link.name = link_data->newobject;
4140 if (rpc_nfs3_link_async(nfs->rpc, nfs_link_cb, &args, data) != 0) {
84004dbf
RS		 4141 rpc_set_error(nfs->rpc, "RPC error: Failed to send LINK call for %s", data->path);
4142 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
4143 free_nfs_cb_data(data);
4144 return -1;
4145 }
4146 return 0;
4147}
4148
4149
4150static int nfs_link_continue_1_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
4151{
4152 struct nfs_link_data *link_data = data->continue_data;
4153
4154 /* steal the filehandle */
2452c57f 4155 link_data->oldfh = data->fh;
84004dbf
RS		 4156 data->fh.data.data_val = NULL;
4157
4158 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) {
4159 rpc_set_error(nfs->rpc, "RPC error: Failed to send LOOKUP call for %s", link_data->newpath);
4160 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
4161 free_nfs_cb_data(data);
4162 return -1;
4163 }
4164 data->continue_data = NULL;
4165 free_nfs_cb_data(data);
4166
4167 return 0;
4168}
4169
4170
4171int nfs_link_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data)
4172{
4173 char *ptr;
4174 struct nfs_link_data *link_data;
4175
4176 link_data = malloc(sizeof(struct nfs_link_data));
4177 if (link_data == NULL) {
cbbf9d3e 4178 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for link data");
84004dbf
RS		 4179 return -1;
4180 }
ea98629a 4181 memset(link_data, 0, sizeof(struct nfs_link_data));
84004dbf
RS		 4182
4183 link_data->oldpath = strdup(oldpath);
4184 if (link_data->oldpath == NULL) {
cbbf9d3e 4185 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath");
84004dbf 4186 free_nfs_link_data(link_data);
cbbf9d3e 4187 return -1;
84004dbf
RS		 4188 }
4189
4190 link_data->newpath = strdup(newpath);
4191 if (link_data->newpath == NULL) {
cbbf9d3e 4192 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for newpath");
84004dbf 4193 free_nfs_link_data(link_data);
cbbf9d3e 4194 return -1;
84004dbf 4195 }
93e9306f 4196 ptr = strrchr(link_data->newpath, '/');
84004dbf 4197 if (ptr == NULL) {
cbbf9d3e 4198 rpc_set_error(nfs->rpc, "Invalid path %s", newpath);
84004dbf 4199 free_nfs_link_data(link_data);
cbbf9d3e 4200 return -1;
84004dbf
RS		 4201 }
4202 *ptr = 0;
4203 ptr++;
4204 link_data->newobject = ptr;
4205
4206
4207 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		 4208 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
4209 return -1;
84004dbf
RS		 4210 }
4211
4212 return 0;
4213}
4214
4215
4216//qqq replace later with lseek()
183451cf 4217uint64_t nfs_get_current_offset(struct nfsfh *nfsfh)
84004dbf
RS		 4218{
4219 return nfsfh->offset;
4220}
4221
17ef62fa
RS		 4222
4223
4224/*
4225 * Get the maximum supported READ3 size by the server
4226 */
183451cf 4227uint64_t nfs_get_readmax(struct nfs_context *nfs)
17ef62fa
RS		 4228{
4229 return nfs->readmax;
4230}
4231
4232/*
4233 * Get the maximum supported WRITE3 size by the server
4234 */
183451cf 4235uint64_t nfs_get_writemax(struct nfs_context *nfs)
17ef62fa 4236{
e7f3a781 4237 return nfs->writemax;
17ef62fa 4238}
1896d37b 4239
d43a8953
PL		 4240void nfs_set_tcp_syncnt(struct nfs_context *nfs, int v) {
4241 rpc_set_tcp_syncnt(nfs->rpc, v);
4242}
4243
4244void nfs_set_uid(struct nfs_context *nfs, int uid) {
4245 rpc_set_uid(nfs->rpc, uid);
4246}
4247
4248void nfs_set_gid(struct nfs_context *nfs, int gid) {
4249 rpc_set_gid(nfs->rpc, gid);
4250}
4251
1896d37b
RS		 4252void nfs_set_error(struct nfs_context *nfs, char *error_string, ...)
4253{
4254 va_list ap;
1e8994af 4255 char *str = NULL;
1896d37b 4256
1e8994af 4257 va_start(ap, error_string);
2606f9bb
RS		 4258 str = malloc(1024);
4259 vsnprintf(str, 1024, error_string, ap);
1896d37b
RS		 4260 if (nfs->rpc->error_string != NULL) {
4261 free(nfs->rpc->error_string);
4262 }
1896d37b 4263 nfs->rpc->error_string = str;
f893b680 4264 va_end(ap);
1896d37b 4265}
7f0242ca
RS		 4266
4267
4268
4269struct mount_cb_data {
4270 rpc_cb cb;
4271 void *private_data;
4272 char *server;
4273};
4274
4275static void free_mount_cb_data(struct mount_cb_data *data)
4276{
4277 if (data->server != NULL) {
4278 free(data->server);
4279 data->server = NULL;
4280 }
4281
4282 free(data);
4283}
4284
4285static void mount_export_5_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
4286{
4287 struct mount_cb_data *data = private_data;
4288
f3a75078
RS		 4289 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4290
4291 if (status == RPC_STATUS_ERROR) {
7f0242ca
RS		 4292 data->cb(rpc, -EFAULT, command_data, data->private_data);
4293 free_mount_cb_data(data);
4294 return;
4295 }
4296 if (status == RPC_STATUS_CANCEL) {
4297 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
4298 free_mount_cb_data(data);
4299 return;
4300 }
4301
4302 data->cb(rpc, 0, command_data, data->private_data);
4303 if (rpc_disconnect(rpc, "normal disconnect") != 0) {
4304 rpc_set_error(rpc, "Failed to disconnect\n");
4305 }
4306 free_mount_cb_data(data);
4307}
4308
4309static void mount_export_4_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
4310{
4311 struct mount_cb_data *data = private_data;
4312
f3a75078
RS		 4313 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4314
14a062eb
RS		 4315 /* Dont want any more callbacks even if the socket is closed */
4316 rpc->connect_cb = NULL;
4317
4b1ae88a 4318 if (status == RPC_STATUS_ERROR) {
7f0242ca
RS		 4319 data->cb(rpc, -EFAULT, command_data, data->private_data);
4320 free_mount_cb_data(data);
4321 return;
4322 }
4323 if (status == RPC_STATUS_CANCEL) {
4324 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
4325 free_mount_cb_data(data);
4326 return;
4327 }
4328
eda77ec3 4329 if (rpc_mount3_export_async(rpc, mount_export_5_cb, data) != 0) {
7f0242ca
RS		 4330 data->cb(rpc, -ENOMEM, command_data, data->private_data);
4331 free_mount_cb_data(data);
4332 return;
4333 }
4334}
4335
4336static void mount_export_3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
4337{
4338 struct mount_cb_data *data = private_data;
4339 uint32_t mount_port;
4340
f3a75078
RS		 4341 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4342
4343 if (status == RPC_STATUS_ERROR) {
7f0242ca
RS		 4344 data->cb(rpc, -EFAULT, command_data, data->private_data);
4345 free_mount_cb_data(data);
4346 return;
4347 }
4348 if (status == RPC_STATUS_CANCEL) {
4349 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
4350 free_mount_cb_data(data);
4351 return;
4352 }
4353
4354 mount_port = *(uint32_t *)command_data;
4355 if (mount_port == 0) {
4356 rpc_set_error(rpc, "RPC error. Mount program is not available");
4357 data->cb(rpc, -ENOENT, command_data, data->private_data);
4358 free_mount_cb_data(data);
4359 return;
4360 }
4361
4362 rpc_disconnect(rpc, "normal disconnect");
4363 if (rpc_connect_async(rpc, data->server, mount_port, mount_export_4_cb, data) != 0) {
4364 data->cb(rpc, -ENOMEM, command_data, data->private_data);
4365 free_mount_cb_data(data);
4366 return;
4367 }
4368}
4369
4370static void mount_export_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
4371{
4372 struct mount_cb_data *data = private_data;
4373
f3a75078
RS		 4374 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4375
7f0242ca
RS		 4376 if (status == RPC_STATUS_ERROR) {
4377 data->cb(rpc, -EFAULT, command_data, data->private_data);
4378 free_mount_cb_data(data);
4379 return;
4380 }
4381 if (status == RPC_STATUS_CANCEL) {
4382 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
4383 free_mount_cb_data(data);
4384 return;
4385 }
4386
5c6b1176 4387 if (rpc_pmap_getport_async(rpc, MOUNT_PROGRAM, MOUNT_V3, IPPROTO_TCP, mount_export_3_cb, private_data) != 0) {
7f0242ca
RS		 4388 data->cb(rpc, -ENOMEM, command_data, data->private_data);
4389 free_mount_cb_data(data);
4390 return;
4391 }
4392}
4393
4394static void mount_export_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
4395{
4396 struct mount_cb_data *data = private_data;
4397
f3a75078
RS		 4398 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4399
14a062eb
RS		 4400 /* Dont want any more callbacks even if the socket is closed */
4401 rpc->connect_cb = NULL;
4402
7f0242ca
RS		 4403 if (status == RPC_STATUS_ERROR) {
4404 data->cb(rpc, -EFAULT, command_data, data->private_data);
4405 free_mount_cb_data(data);
4406 return;
4407 }
4408 if (status == RPC_STATUS_CANCEL) {
4409 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
4410 free_mount_cb_data(data);
4411 return;
4412 }
4413
4414 if (rpc_pmap_null_async(rpc, mount_export_2_cb, data) != 0) {
4415 data->cb(rpc, -ENOMEM, command_data, data->private_data);
4416 free_mount_cb_data(data);
4417 return;
4418 }
4419}
4420
4421int mount_getexports_async(struct rpc_context *rpc, const char *server, rpc_cb cb, void *private_data)
4422{
4423 struct mount_cb_data *data;
4424
f3a75078
RS		 4425 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4426
7f0242ca
RS		 4427 data = malloc(sizeof(struct mount_cb_data));
4428 if (data == NULL) {
4429 return -1;
4430 }
ea98629a 4431 memset(data, 0, sizeof(struct mount_cb_data));
7f0242ca
RS		 4432 data->cb = cb;
4433 data->private_data = private_data;
4434 data->server = strdup(server);
4435 if (data->server == NULL) {
4436 free_mount_cb_data(data);
4437 return -1;
4b1ae88a 4438 }
7f0242ca
RS		 4439 if (rpc_connect_async(rpc, data->server, 111, mount_export_1_cb, data) != 0) {
4440 free_mount_cb_data(data);
4441 return -1;
4442 }
4443
4444 return 0;
4445}
4446
df5af25f
RS		 4447struct rpc_context *nfs_get_rpc_context(struct nfs_context *nfs)
4448{
f3a75078 4449 assert(nfs->rpc->magic == RPC_CONTEXT_MAGIC);
df5af25f
RS		 4450 return nfs->rpc;
4451}
4452
b077fdeb
RS		 4453const char *nfs_get_server(struct nfs_context *nfs) {
4454 return nfs->server;
4455}
4456
4457const char *nfs_get_export(struct nfs_context *nfs) {
4458 return nfs->export;
4459}
0ad9a1f1 4460
8724c833
RS		 4461const struct nfs_fh3 *nfs_get_rootfh(struct nfs_context *nfs) {
4462 return &nfs->rootfh;
4463}
fa3c25be
RS		 4464
4465struct nfs_fh3 *nfs_get_fh(struct nfsfh *nfsfh) {
4466 return &nfsfh->fh;
4467}
libnfs Piment Noir Debian package repository