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nfs_rmdir_async: fix potential memory leak
[deb_libnfs.git] / lib / libnfs.c
CommitLineData
84004dbf
RS		 1/*
2 Copyright (C) 2010 by Ronnie Sahlberg <ronniesahlberg@gmail.com>
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU Lesser General Public License as published by
6 the Free Software Foundation; either version 2.1 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public License
15 along with this program; if not, see <http://www.gnu.org/licenses/>.
16*/
17/*
18 * High level api to nfs filesystems
19 */
00748f36
RS		 20#ifdef HAVE_CONFIG_H
21#include "config.h"
22#endif
23
108c622a
RS		 24#ifdef AROS
25#include "aros_compat.h"
00748f36
RS		 26#endif
27
a8a1b858
M		 28#ifdef WIN32
29#include "win32_compat.h"
bff8fe46
RS		 30#endif
31
32#ifdef HAVE_UTIME_H
d7c6e9aa 33#include <utime.h>
bff8fe46 34#endif
d7c6e9aa 35
d7c6e9aa 36#ifdef ANDROID
252aa90d 37#define statvfs statfs
108c622a 38#endif
a8a1b858
M		 39
40#define _GNU_SOURCE
6874f61e 41
108c622a
RS		 42#ifdef HAVE_UNISTD_H
43#include <unistd.h>
44#endif
45
46#ifdef HAVE_SYS_VFS_H
47#include <sys/vfs.h>
48#endif
49
50#ifdef HAVE_SYS_STATVFS_H
51#include <sys/statvfs.h>
52#endif
53
72897005
RS		 54#ifdef HAVE_NETINET_IN_H
55#include <netinet/in.h>
56#endif
57
bff8fe46
RS		 58#ifdef HAVE_STRINGS_H
59#include <strings.h>
60#endif
61
84004dbf 62#include <stdio.h>
1896d37b 63#include <stdarg.h>
84004dbf
RS		 64#include <stdlib.h>
65#include <string.h>
f3a75078 66#include <assert.h>
84004dbf
RS		 67#include <errno.h>
68#include <sys/types.h>
69#include <sys/stat.h>
84004dbf 70#include <fcntl.h>
763cd6e3 71#include "libnfs-zdr.h"
84004dbf
RS		 72#include "libnfs.h"
73#include "libnfs-raw.h"
74#include "libnfs-raw-mount.h"
75#include "libnfs-raw-nfs.h"
1896d37b
RS		 76#include "libnfs-private.h"
77
78struct nfsdir {
79 struct nfsdirent *entries;
80 struct nfsdirent *current;
81};
84004dbf
RS		 82
83struct nfsfh {
84 struct nfs_fh3 fh;
85 int is_sync;
183451cf 86 uint64_t offset;
84004dbf
RS		 87};
88
1896d37b
RS		 89struct nfs_context {
90 struct rpc_context *rpc;
91 char *server;
92 char *export;
93 struct nfs_fh3 rootfh;
183451cf
RS		 94 uint64_t readmax;
95 uint64_t writemax;
f893b680 96 char *cwd;
84004dbf
RS		 97};
98
99void nfs_free_nfsdir(struct nfsdir *nfsdir)
100{
101 while (nfsdir->entries) {
102 struct nfsdirent *dirent = nfsdir->entries->next;
103 if (nfsdir->entries->name != NULL) {
104 free(nfsdir->entries->name);
105 }
106 free(nfsdir->entries);
107 nfsdir->entries = dirent;
108 }
109 free(nfsdir);
110}
111
84004dbf
RS		 112struct nfs_cb_data;
113typedef int (*continue_func)(struct nfs_context *nfs, struct nfs_cb_data *data);
114
115struct nfs_cb_data {
116 struct nfs_context *nfs;
117 struct nfsfh *nfsfh;
118 char *saved_path, *path;
119
120 nfs_cb cb;
121 void *private_data;
122
123 continue_func continue_cb;
124 void *continue_data;
125 void (*free_continue_data)(void *);
126 int continue_int;
127
128 struct nfs_fh3 fh;
921f877b
RS		 129
130 /* for multi-read/write calls. */
131 int error;
132 int cancel;
133 int num_calls;
183451cf 134 uint64_t start_offset, max_offset;
921f877b
RS		 135 char *buffer;
136};
137
138struct nfs_mcb_data {
139 struct nfs_cb_data *data;
183451cf
RS		 140 uint64_t offset;
141 uint64_t count;
84004dbf
RS		 142};
143
144static int nfs_lookup_path_async_internal(struct nfs_context *nfs, struct nfs_cb_data *data, struct nfs_fh3 *fh);
145
67ba2239 146void nfs_set_auth(struct nfs_context *nfs, struct AUTH *auth)
84004dbf 147{
9896c715 148 rpc_set_auth(nfs->rpc, auth);
84004dbf
RS		 149}
150
151int nfs_get_fd(struct nfs_context *nfs)
152{
153 return rpc_get_fd(nfs->rpc);
154}
155
83aa785d
RS		 156int nfs_queue_length(struct nfs_context *nfs)
157{
158 return rpc_queue_length(nfs->rpc);
159}
160
84004dbf
RS		 161int nfs_which_events(struct nfs_context *nfs)
162{
163 return rpc_which_events(nfs->rpc);
164}
165
166int nfs_service(struct nfs_context *nfs, int revents)
167{
168 return rpc_service(nfs->rpc, revents);
169}
170
171char *nfs_get_error(struct nfs_context *nfs)
172{
173 return rpc_get_error(nfs->rpc);
174};
175
20d6926e 176static int nfs_set_context_args(struct nfs_context *nfs, char *arg, char *val)
36f488dc
RS		 177{
178 if (!strncmp(arg, "tcp-syncnt", 10)) {
20d6926e 179 rpc_set_tcp_syncnt(nfs_get_rpc_context(nfs), atoi(val));
36f488dc 180 } else if (!strncmp(arg, "uid", 3)) {
20d6926e 181 rpc_set_uid(nfs_get_rpc_context(nfs), atoi(val));
36f488dc 182 } else if (!strncmp(arg, "gid", 3)) {
20d6926e 183 rpc_set_gid(nfs_get_rpc_context(nfs), atoi(val));
36f488dc
RS		 184 }
185 return 0;
186}
187
6bdcd5b6 188static struct nfs_url *nfs_parse_url(struct nfs_context *nfs, const char *url, int dir, int incomplete)
d2ec73c7
PL		 189{
190 struct nfs_url *urls;
191 char *strp, *flagsp, *strp2;
192
193 if (strncmp(url, "nfs://", 6)) {
194 rpc_set_error(nfs->rpc, "Invalid URL specified");
195 return NULL;
196 }
197
198 urls = malloc(sizeof(struct nfs_url));
199 if (urls == NULL) {
200 rpc_set_error(nfs->rpc, "Out of memory");
201 return NULL;
202 }
203
b70567b6 204 memset(urls, 0x00, sizeof(struct nfs_url));
d2ec73c7
PL		 205 urls->server = strdup(url + 6);
206 if (urls->server == NULL) {
207 nfs_destroy_url(urls);
208 rpc_set_error(nfs->rpc, "Out of memory");
209 return NULL;
210 }
211
212 if (urls->server[0] == '/' || urls->server[0] == '\0' ||
213 urls->server[0] == '?') {
214 if (incomplete) {
215 flagsp = strchr(urls->server, '?');
216 goto flags;
217 }
218 nfs_destroy_url(urls);
219 rpc_set_error(nfs->rpc, "Invalid server string");
220 return NULL;
221 }
222
223 strp = strchr(urls->server, '/');
224 if (strp == NULL) {
225 if (incomplete) {
226 flagsp = strchr(urls->server, '?');
227 goto flags;
228 }
229 nfs_destroy_url(urls);
230 rpc_set_error(nfs->rpc, "Incomplete or invalid URL specified.");
231 return NULL;
232 }
233
234 urls->path = strdup(strp);
235 if (urls->path == NULL) {
236 nfs_destroy_url(urls);
237 rpc_set_error(nfs->rpc, "Out of memory");
238 return NULL;
239 }
240 *strp = 0;
241
242 if (dir) {
243 flagsp = strchr(urls->path, '?');
244 goto flags;
245 }
246
247 strp = strrchr(urls->path, '/');
248 if (strp == NULL) {
249 if (incomplete) {
250 flagsp = strchr(urls->path, '?');
251 goto flags;
252 }
253 nfs_destroy_url(urls);
254 rpc_set_error(nfs->rpc, "Incomplete or invalid URL specified.");
255 return NULL;
256 }
257 urls->file = strdup(strp);
258 if (urls->path == NULL) {
259 nfs_destroy_url(urls);
260 rpc_set_error(nfs->rpc, "Out of memory");
261 return NULL;
262 }
263 *strp = 0;
264 flagsp = strchr(urls->file, '?');
265
266flags:
267 if (flagsp) {
268 *flagsp = 0;
269 }
270
271 if (urls->file && !strlen(urls->file)) {
272 free(urls->file);
273 urls->file = NULL;
274 if (!incomplete) {
275 nfs_destroy_url(urls);
276 rpc_set_error(nfs->rpc, "Incomplete or invalid URL specified.");
277 return NULL;
278 }
279 }
280
d2ec73c7
PL		 281 while (flagsp != NULL && *(flagsp+1) != 0) {
282 strp = flagsp + 1;
283 flagsp = strchr(strp, '&');
284 if (flagsp) {
285 *flagsp = 0;
286 }
287 strp2 = strchr(strp, '=');
288 if (strp2) {
289 *strp2 = 0;
290 strp2++;
20d6926e 291 nfs_set_context_args(nfs, strp, strp2);
d2ec73c7
PL		 292 }
293 }
294
1f1b1c5c
PL		 295 if (urls->server && strlen(urls->server) <= 1) {
296 free(urls->server);
297 urls->server = NULL;
298 }
299
d2ec73c7
PL		 300 return urls;
301}
302
303struct nfs_url *nfs_parse_url_full(struct nfs_context *nfs, const char *url)
304{
305 return nfs_parse_url(nfs, url, 0, 0);
306}
307
308struct nfs_url *nfs_parse_url_dir(struct nfs_context *nfs, const char *url)
309{
310 return nfs_parse_url(nfs, url, 1, 0);
311}
312
313struct nfs_url *nfs_parse_url_incomplete(struct nfs_context *nfs, const char *url)
314{
315 return nfs_parse_url(nfs, url, 0, 1);
316}
317
318
319void nfs_destroy_url(struct nfs_url *url)
320{
321 if (url) {
322 free(url->server);
323 free(url->path);
324 free(url->file);
325 }
326 free(url);
327}
328
84004dbf
RS		 329struct nfs_context *nfs_init_context(void)
330{
331 struct nfs_context *nfs;
332
333 nfs = malloc(sizeof(struct nfs_context));
334 if (nfs == NULL) {
84004dbf
RS		 335 return NULL;
336 }
f893b680
RS		 337 memset(nfs, 0, sizeof(struct nfs_context));
338
84004dbf
RS		 339 nfs->rpc = rpc_init_context();
340 if (nfs->rpc == NULL) {
84004dbf
RS		 341 free(nfs);
342 return NULL;
343 }
344
f893b680 345 nfs->cwd = strdup("/");
963c2f83 346
84004dbf
RS		 347 return nfs;
348}
349
350void nfs_destroy_context(struct nfs_context *nfs)
351{
352 rpc_destroy_context(nfs->rpc);
353 nfs->rpc = NULL;
354
355 if (nfs->server) {
356 free(nfs->server);
357 nfs->server = NULL;
358 }
359
360 if (nfs->export) {
361 free(nfs->export);
362 nfs->export = NULL;
363 }
364
f893b680
RS		 365 if (nfs->cwd) {
366 free(nfs->cwd);
367 nfs->cwd = NULL;
368 }
369
84004dbf
RS		 370 if (nfs->rootfh.data.data_val != NULL) {
371 free(nfs->rootfh.data.data_val);
372 nfs->rootfh.data.data_val = NULL;
373 }
374
375 free(nfs);
376}
377
8733f38d
RS		 378struct rpc_cb_data {
379 char *server;
380 uint32_t program;
381 uint32_t version;
382
383 rpc_cb cb;
384 void *private_data;
2452c57f 385};
8733f38d
RS		 386
387void free_rpc_cb_data(struct rpc_cb_data *data)
388{
389 free(data->server);
390 data->server = NULL;
391 free(data);
392}
393
394static void rpc_connect_program_4_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
395{
396 struct rpc_cb_data *data = private_data;
397
398 assert(rpc->magic == RPC_CONTEXT_MAGIC);
399
400 /* Dont want any more callbacks even if the socket is closed */
401 rpc->connect_cb = NULL;
402
403 if (status == RPC_STATUS_ERROR) {
404 data->cb(rpc, status, command_data, data->private_data);
405 free_rpc_cb_data(data);
406 return;
407 }
408 if (status == RPC_STATUS_CANCEL) {
409 data->cb(rpc, status, "Command was cancelled", data->private_data);
410 free_rpc_cb_data(data);
411 return;
412 }
413
414 data->cb(rpc, status, NULL, data->private_data);
415 free_rpc_cb_data(data);
416}
417
418static void rpc_connect_program_3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
419{
420 struct rpc_cb_data *data = private_data;
421 uint32_t rpc_port;
422
423 assert(rpc->magic == RPC_CONTEXT_MAGIC);
424
4b1ae88a 425 if (status == RPC_STATUS_ERROR) {
8733f38d
RS		 426 data->cb(rpc, status, command_data, data->private_data);
427 free_rpc_cb_data(data);
428 return;
429 }
430 if (status == RPC_STATUS_CANCEL) {
431 data->cb(rpc, status, "Command was cancelled", data->private_data);
432 free_rpc_cb_data(data);
433 return;
434 }
435
436 rpc_port = *(uint32_t *)command_data;
437 if (rpc_port == 0) {
438 rpc_set_error(rpc, "RPC error. Program is not available on %s", data->server);
439 data->cb(rpc, RPC_STATUS_ERROR, rpc_get_error(rpc), data->private_data);
440 free_rpc_cb_data(data);
441 return;
442 }
443
444 rpc_disconnect(rpc, "normal disconnect");
445 if (rpc_connect_async(rpc, data->server, rpc_port, rpc_connect_program_4_cb, data) != 0) {
446 data->cb(rpc, status, command_data, data->private_data);
447 free_rpc_cb_data(data);
448 return;
449 }
450}
451
452static void rpc_connect_program_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
453{
454 struct rpc_cb_data *data = private_data;
455
456 assert(rpc->magic == RPC_CONTEXT_MAGIC);
457
458 if (status == RPC_STATUS_ERROR) {
459 data->cb(rpc, status, command_data, data->private_data);
460 free_rpc_cb_data(data);
461 return;
462 }
463 if (status == RPC_STATUS_CANCEL) {
464 data->cb(rpc, status, "Command was cancelled", data->private_data);
465 free_rpc_cb_data(data);
466 return;
467 }
468
469 if (rpc_pmap_getport_async(rpc, data->program, data->version, IPPROTO_TCP, rpc_connect_program_3_cb, private_data) != 0) {
470 data->cb(rpc, status, command_data, data->private_data);
471 free_rpc_cb_data(data);
472 return;
473 }
474}
475
476static void rpc_connect_program_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
477{
478 struct rpc_cb_data *data = private_data;
479
480 assert(rpc->magic == RPC_CONTEXT_MAGIC);
481
482 /* Dont want any more callbacks even if the socket is closed */
483 rpc->connect_cb = NULL;
484
485 if (status == RPC_STATUS_ERROR) {
486 data->cb(rpc, status, command_data, data->private_data);
487 free_rpc_cb_data(data);
488 return;
489 }
490 if (status == RPC_STATUS_CANCEL) {
491 data->cb(rpc, status, "Command was cancelled", data->private_data);
492 free_rpc_cb_data(data);
493 return;
494 }
495
496 if (rpc_pmap_null_async(rpc, rpc_connect_program_2_cb, data) != 0) {
497 data->cb(rpc, status, command_data, data->private_data);
498 free_rpc_cb_data(data);
499 return;
500 }
501}
502
503int rpc_connect_program_async(struct rpc_context *rpc, char *server, int program, int version, rpc_cb cb, void *private_data)
504{
505 struct rpc_cb_data *data;
506
507 data = malloc(sizeof(struct rpc_cb_data));
508 if (data == NULL) {
509 return -1;
510 }
511 memset(data, 0, sizeof(struct rpc_cb_data));
512 data->server = strdup(server);
513 data->program = program;
514 data->version = version;
515
516 data->cb = cb;
517 data->private_data = private_data;
518
519 if (rpc_connect_async(rpc, server, 111, rpc_connect_program_1_cb, data) != 0) {
520 rpc_set_error(rpc, "Failed to start connection");
521 free_rpc_cb_data(data);
522 return -1;
523 }
524 return 0;
525}
526
2fa14f9b 527static void free_nfs_cb_data(struct nfs_cb_data *data)
84004dbf 528{
84004dbf 529 if (data->continue_data != NULL) {
206a2ff6 530 assert(data->free_continue_data);
84004dbf 531 data->free_continue_data(data->continue_data);
84004dbf
RS		 532 }
533
2fa14f9b
AR		 534 free(data->saved_path);
535 free(data->fh.data.data_val);
536 free(data->buffer);
921f877b 537
84004dbf
RS		 538 free(data);
539}
540
541
542
543
544
f3a75078 545static void nfs_mount_10_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 546{
547 struct nfs_cb_data *data = private_data;
548 struct nfs_context *nfs = data->nfs;
549
f3a75078
RS		 550 assert(rpc->magic == RPC_CONTEXT_MAGIC);
551
84004dbf
RS		 552 if (status == RPC_STATUS_ERROR) {
553 data->cb(-EFAULT, nfs, command_data, data->private_data);
554 free_nfs_cb_data(data);
555 return;
556 }
557 if (status == RPC_STATUS_CANCEL) {
558 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
559 free_nfs_cb_data(data);
560 return;
561 }
562
563 data->cb(0, nfs, NULL, data->private_data);
564 free_nfs_cb_data(data);
565}
566
17ef62fa 567static void nfs_mount_9_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 568{
569 struct nfs_cb_data *data = private_data;
570 struct nfs_context *nfs = data->nfs;
17ef62fa 571 FSINFO3res *res = command_data;
463d59bf 572 struct GETATTR3args args;
84004dbf 573
f3a75078
RS		 574 assert(rpc->magic == RPC_CONTEXT_MAGIC);
575
84004dbf
RS		 576 if (status == RPC_STATUS_ERROR) {
577 data->cb(-EFAULT, nfs, command_data, data->private_data);
578 free_nfs_cb_data(data);
579 return;
580 }
581 if (status == RPC_STATUS_CANCEL) {
582 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
583 free_nfs_cb_data(data);
584 return;
585 }
586
17ef62fa
RS		 587 nfs->readmax = res->FSINFO3res_u.resok.rtmax;
588 nfs->writemax = res->FSINFO3res_u.resok.wtmax;
84004dbf 589
463d59bf 590 memset(&args, 0, sizeof(GETATTR3args));
2452c57f 591 args.object = nfs->rootfh;
463d59bf
RS		 592
593 if (rpc_nfs3_getattr_async(rpc, nfs_mount_10_cb, &args, data) != 0) {
84004dbf
RS		 594 data->cb(-ENOMEM, nfs, command_data, data->private_data);
595 free_nfs_cb_data(data);
596 return;
597 }
598}
599
17ef62fa
RS		 600static void nfs_mount_8_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
601{
602 struct nfs_cb_data *data = private_data;
603 struct nfs_context *nfs = data->nfs;
c4ba61c5 604 struct FSINFO3args args;
17ef62fa 605
f3a75078
RS		 606 assert(rpc->magic == RPC_CONTEXT_MAGIC);
607
17ef62fa
RS		 608 if (status == RPC_STATUS_ERROR) {
609 data->cb(-EFAULT, nfs, command_data, data->private_data);
610 free_nfs_cb_data(data);
611 return;
612 }
613 if (status == RPC_STATUS_CANCEL) {
614 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
615 free_nfs_cb_data(data);
616 return;
617 }
618
c4ba61c5
RS		 619 args.fsroot = nfs->rootfh;
620 if (rpc_nfs3_fsinfo_async(rpc, nfs_mount_9_cb, &args, data) != 0) {
17ef62fa
RS		 621 data->cb(-ENOMEM, nfs, command_data, data->private_data);
622 free_nfs_cb_data(data);
623 return;
624 }
625}
626
627
84004dbf
RS		 628static void nfs_mount_7_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
629{
630 struct nfs_cb_data *data = private_data;
631 struct nfs_context *nfs = data->nfs;
632
f3a75078
RS		 633 assert(rpc->magic == RPC_CONTEXT_MAGIC);
634
14a062eb
RS		 635 /* Dont want any more callbacks even if the socket is closed */
636 rpc->connect_cb = NULL;
637
84004dbf
RS		 638 if (status == RPC_STATUS_ERROR) {
639 data->cb(-EFAULT, nfs, command_data, data->private_data);
640 free_nfs_cb_data(data);
641 return;
642 }
643 if (status == RPC_STATUS_CANCEL) {
644 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
645 free_nfs_cb_data(data);
646 return;
647 }
648
dc3ed8c3 649 if (rpc_nfs3_null_async(rpc, nfs_mount_8_cb, data) != 0) {
84004dbf
RS		 650 data->cb(-ENOMEM, nfs, command_data, data->private_data);
651 free_nfs_cb_data(data);
652 return;
653 }
654}
655
656
657static void nfs_mount_6_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
658{
659 struct nfs_cb_data *data = private_data;
660 struct nfs_context *nfs = data->nfs;
661 mountres3 *res;
662
f3a75078
RS		 663 assert(rpc->magic == RPC_CONTEXT_MAGIC);
664
84004dbf
RS		 665 if (status == RPC_STATUS_ERROR) {
666 data->cb(-EFAULT, nfs, command_data, data->private_data);
667 free_nfs_cb_data(data);
668 return;
669 }
670 if (status == RPC_STATUS_CANCEL) {
671 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
672 free_nfs_cb_data(data);
673 return;
674 }
675
676 res = command_data;
677 if (res->fhs_status != MNT3_OK) {
678 rpc_set_error(rpc, "RPC error: Mount failed with error %s(%d) %s(%d)", mountstat3_to_str(res->fhs_status), res->fhs_status, strerror(-mountstat3_to_errno(res->fhs_status)), -mountstat3_to_errno(res->fhs_status));
679 data->cb(mountstat3_to_errno(res->fhs_status), nfs, rpc_get_error(rpc), data->private_data);
680 free_nfs_cb_data(data);
681 return;
682 }
683
684 nfs->rootfh.data.data_len = res->mountres3_u.mountinfo.fhandle.fhandle3_len;
685 nfs->rootfh.data.data_val = malloc(nfs->rootfh.data.data_len);
686 if (nfs->rootfh.data.data_val == NULL) {
687 rpc_set_error(rpc, "Out of memory. Could not allocate memory to store root filehandle");
688 data->cb(-ENOMEM, nfs, rpc_get_error(rpc), data->private_data);
689 free_nfs_cb_data(data);
690 return;
691 }
692 memcpy(nfs->rootfh.data.data_val, res->mountres3_u.mountinfo.fhandle.fhandle3_val, nfs->rootfh.data.data_len);
693
694 rpc_disconnect(rpc, "normal disconnect");
695 if (rpc_connect_async(rpc, nfs->server, 2049, nfs_mount_7_cb, data) != 0) {
696 data->cb(-ENOMEM, nfs, command_data, data->private_data);
697 free_nfs_cb_data(data);
698 return;
699 }
1744ef90
RS		 700 /* NFS TCP connections we want to autoreconnect after sessions are torn down (due to inactivity or error) */
701 rpc_set_autoreconnect(rpc);
84004dbf
RS		 702}
703
704
705static void nfs_mount_5_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
706{
707 struct nfs_cb_data *data = private_data;
708 struct nfs_context *nfs = data->nfs;
709
f3a75078
RS		 710 assert(rpc->magic == RPC_CONTEXT_MAGIC);
711
84004dbf
RS		 712 if (status == RPC_STATUS_ERROR) {
713 data->cb(-EFAULT, nfs, command_data, data->private_data);
714 free_nfs_cb_data(data);
715 return;
716 }
717 if (status == RPC_STATUS_CANCEL) {
718 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
719 free_nfs_cb_data(data);
720 return;
721 }
722
eda77ec3 723 if (rpc_mount3_mnt_async(rpc, nfs_mount_6_cb, nfs->export, data) != 0) {
84004dbf
RS		 724 data->cb(-ENOMEM, nfs, command_data, data->private_data);
725 free_nfs_cb_data(data);
726 return;
727 }
728}
729
730static void nfs_mount_4_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
731{
732 struct nfs_cb_data *data = private_data;
733 struct nfs_context *nfs = data->nfs;
734
f3a75078
RS		 735 assert(rpc->magic == RPC_CONTEXT_MAGIC);
736
14a062eb
RS		 737 /* Dont want any more callbacks even if the socket is closed */
738 rpc->connect_cb = NULL;
739
84004dbf
RS		 740 if (status == RPC_STATUS_ERROR) {
741 data->cb(-EFAULT, nfs, command_data, data->private_data);
742 free_nfs_cb_data(data);
743 return;
744 }
745 if (status == RPC_STATUS_CANCEL) {
746 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
747 free_nfs_cb_data(data);
748 return;
749 }
750
eda77ec3 751 if (rpc_mount3_null_async(rpc, nfs_mount_5_cb, data) != 0) {
84004dbf
RS		 752 data->cb(-ENOMEM, nfs, command_data, data->private_data);
753 free_nfs_cb_data(data);
754 return;
755 }
756}
757
758static void nfs_mount_3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
759{
760 struct nfs_cb_data *data = private_data;
761 struct nfs_context *nfs = data->nfs;
762 uint32_t mount_port;
763
f3a75078
RS		 764 assert(rpc->magic == RPC_CONTEXT_MAGIC);
765
4b1ae88a 766 if (status == RPC_STATUS_ERROR) {
84004dbf
RS		 767 data->cb(-EFAULT, nfs, command_data, data->private_data);
768 free_nfs_cb_data(data);
769 return;
770 }
771 if (status == RPC_STATUS_CANCEL) {
772 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
773 free_nfs_cb_data(data);
774 return;
775 }
776
777 mount_port = *(uint32_t *)command_data;
778 if (mount_port == 0) {
779 rpc_set_error(rpc, "RPC error. Mount program is not available on %s", nfs->server);
780 data->cb(-ENOENT, nfs, command_data, data->private_data);
781 free_nfs_cb_data(data);
782 return;
783 }
784
785 rpc_disconnect(rpc, "normal disconnect");
786 if (rpc_connect_async(rpc, nfs->server, mount_port, nfs_mount_4_cb, data) != 0) {
787 data->cb(-ENOMEM, nfs, command_data, data->private_data);
788 free_nfs_cb_data(data);
789 return;
790 }
791}
792
793
794static void nfs_mount_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
795{
796 struct nfs_cb_data *data = private_data;
797 struct nfs_context *nfs = data->nfs;
798
f3a75078
RS		 799 assert(rpc->magic == RPC_CONTEXT_MAGIC);
800
84004dbf
RS		 801 if (status == RPC_STATUS_ERROR) {
802 data->cb(-EFAULT, nfs, command_data, data->private_data);
803 free_nfs_cb_data(data);
804 return;
805 }
806 if (status == RPC_STATUS_CANCEL) {
807 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
808 free_nfs_cb_data(data);
809 return;
810 }
811
5c6b1176 812 if (rpc_pmap_getport_async(rpc, MOUNT_PROGRAM, MOUNT_V3, IPPROTO_TCP, nfs_mount_3_cb, private_data) != 0) {
84004dbf
RS		 813 data->cb(-ENOMEM, nfs, command_data, data->private_data);
814 free_nfs_cb_data(data);
815 return;
816 }
817}
818
819static void nfs_mount_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
820{
821 struct nfs_cb_data *data = private_data;
822 struct nfs_context *nfs = data->nfs;
823
f3a75078
RS		 824 assert(rpc->magic == RPC_CONTEXT_MAGIC);
825
14a062eb
RS		 826 /* Dont want any more callbacks even if the socket is closed */
827 rpc->connect_cb = NULL;
828
84004dbf
RS		 829 if (status == RPC_STATUS_ERROR) {
830 data->cb(-EFAULT, nfs, command_data, data->private_data);
831 free_nfs_cb_data(data);
832 return;
833 }
834 if (status == RPC_STATUS_CANCEL) {
835 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
836 free_nfs_cb_data(data);
837 return;
838 }
839
840 if (rpc_pmap_null_async(rpc, nfs_mount_2_cb, data) != 0) {
841 data->cb(-ENOMEM, nfs, command_data, data->private_data);
842 free_nfs_cb_data(data);
843 return;
844 }
845}
846
847/*
848 * Async call for mounting an nfs share and geting the root filehandle
849 */
850int nfs_mount_async(struct nfs_context *nfs, const char *server, const char *export, nfs_cb cb, void *private_data)
851{
852 struct nfs_cb_data *data;
b077fdeb 853 char *new_server, *new_export;
84004dbf
RS		 854
855 data = malloc(sizeof(struct nfs_cb_data));
856 if (data == NULL) {
cbbf9d3e 857 rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for nfs mount data");
84004dbf
RS		 858 return -1;
859 }
ea98629a 860 memset(data, 0, sizeof(struct nfs_cb_data));
b077fdeb
RS		 861 new_server = strdup(server);
862 new_export = strdup(export);
863 if (nfs->server != NULL) {
864 free(nfs->server);
b077fdeb
RS		 865 }
866 nfs->server = new_server;
867 if (nfs->export != NULL) {
868 free(nfs->export);
b077fdeb
RS		 869 }
870 nfs->export = new_export;
84004dbf
RS		 871 data->nfs = nfs;
872 data->cb = cb;
873 data->private_data = private_data;
874
875 if (rpc_connect_async(nfs->rpc, server, 111, nfs_mount_1_cb, data) != 0) {
cbbf9d3e 876 rpc_set_error(nfs->rpc, "Failed to start connection");
84004dbf 877 free_nfs_cb_data(data);
cbbf9d3e 878 return -1;
84004dbf
RS		 879 }
880
881 return 0;
882}
883
884
885
886/*
887 * Functions to first look up a path, component by component, and then finally call a specific function once
888 * the filehandle for the final component is found.
889 */
f3a75078 890static void nfs_lookup_path_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 891{
892 struct nfs_cb_data *data = private_data;
893 struct nfs_context *nfs = data->nfs;
894 LOOKUP3res *res;
895
f3a75078
RS		 896 assert(rpc->magic == RPC_CONTEXT_MAGIC);
897
84004dbf
RS		 898 if (status == RPC_STATUS_ERROR) {
899 data->cb(-EFAULT, nfs, command_data, data->private_data);
900 free_nfs_cb_data(data);
901 return;
902 }
903 if (status == RPC_STATUS_CANCEL) {
904 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
905 free_nfs_cb_data(data);
906 return;
907 }
908
909 res = command_data;
910 if (res->status != NFS3_OK) {
911 rpc_set_error(nfs->rpc, "NFS: Lookup of %s failed with %s(%d)", data->saved_path, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
912 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
913 free_nfs_cb_data(data);
914 return;
915 }
916
917 if (nfs_lookup_path_async_internal(nfs, data, &res->LOOKUP3res_u.resok.object) != 0) {
918 rpc_set_error(nfs->rpc, "Failed to create lookup pdu");
919 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
920 free_nfs_cb_data(data);
921 return;
922 }
923}
924
925static int nfs_lookup_path_async_internal(struct nfs_context *nfs, struct nfs_cb_data *data, struct nfs_fh3 *fh)
926{
f893b680 927 char *path, *slash;
463d59bf 928 LOOKUP3args args;
84004dbf
RS		 929
930 while (*data->path == '/') {
931 data->path++;
932 }
933
934 path = data->path;
f893b680
RS		 935 slash = strchr(path, '/');
936 if (slash != NULL) {
937 /* Clear slash so that path is a zero terminated string for
938 * the current path component. Set it back to '/' again later
939 * when we are finished referencing this component so that
940 * data->saved_path will still point to the full
941 * normalized path.
942 */
943 *slash = 0;
944 data->path = slash+1;
84004dbf
RS		 945 } else {
946 while (*data->path != 0) {
947 data->path++;
948 }
949 }
950
951 if (*path == 0) {
952 data->fh.data.data_len = fh->data.data_len;
953 data->fh.data.data_val = malloc(data->fh.data.data_len);
954 if (data->fh.data.data_val == NULL) {
955 rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh for %s", data->path);
956 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
957 free_nfs_cb_data(data);
958 return -1;
959 }
960 memcpy(data->fh.data.data_val, fh->data.data_val, data->fh.data.data_len);
f893b680
RS		 961 if (slash != NULL) {
962 *slash = '/';
963 }
84004dbf
RS		 964 data->continue_cb(nfs, data);
965 return 0;
966 }
967
463d59bf
RS		 968
969 memset(&args, 0, sizeof(LOOKUP3args));
2452c57f
RS		 970 args.what.dir = *fh;
971 args.what.name = path;
463d59bf
RS		 972
973 if (rpc_nfs3_lookup_async(nfs->rpc, nfs_lookup_path_1_cb, &args, data) != 0) {
84004dbf
RS		 974 rpc_set_error(nfs->rpc, "RPC error: Failed to send lookup call for %s", data->path);
975 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
976 free_nfs_cb_data(data);
977 return -1;
978 }
f893b680
RS		 979 if (slash != NULL) {
980 *slash = '/';
981 }
982 return 0;
983}
984
985static int nfs_normalize_path(struct nfs_context *nfs, char *path)
986{
987 char *str;
988 int len;
989
990 /* // -> / */
4b1ae88a 991 while ((str = strstr(path, "//"))) {
f893b680
RS		 992 while(*str) {
993 *str = *(str + 1);
994 str++;
995 }
996 }
997
998 /* /./ -> / */
4b1ae88a 999 while ((str = strstr(path, "/./"))) {
f893b680
RS		 1000 while(*(str + 1)) {
1001 *str = *(str + 2);
1002 str++;
1003 }
1004 }
1005
1006 /* ^/../ -> error */
1007 if (!strncmp(path, "/../", 4)) {
1008 rpc_set_error(nfs->rpc,
1009 "Absolute path starts with '/../' "
1010 "during normalization");
1011 return -1;
1012 }
1013
1014 /* ^[^/] -> error */
1015 if (path[0] != '/') {
1016 rpc_set_error(nfs->rpc,
1017 "Absolute path does not start with '/'");
1018 return -1;
1019 }
1020
1021 /* /string/../ -> / */
4b1ae88a 1022 while ((str = strstr(path, "/../"))) {
f893b680
RS		 1023 char *tmp;
1024
1025 if (!strncmp(path, "/../", 4)) {
1026 rpc_set_error(nfs->rpc,
1027 "Absolute path starts with '/../' "
1028 "during normalization");
1029 return -1;
1030 }
1031
1032 tmp = str - 1;
1033 while (*tmp != '/') {
1034 tmp--;
1035 }
1036 str += 3;
1037 while((*(tmp++) = *(str++)) != '\0')
1038 ;
1039 }
1040
1041 /* /$ -> \0 */
1042 len = strlen(path);
1043 if (len >= 1) {
1044 if (path[len - 1] == '/') {
1045 path[len - 1] = '\0';
1046 len--;
1047 }
1048 }
1049 if (path[0] == '\0') {
1050 rpc_set_error(nfs->rpc,
1051 "Absolute path became '' "
1052 "during normalization");
1053 return -1;
1054 }
1055
1056 /* /.$ -> \0 */
1057 if (len >= 2) {
1058 if (!strcmp(&path[len - 2], "/.")) {
1059 path[len - 2] = '\0';
1060 len -= 2;
1061 }
1062 }
1063
1064 /* ^/..$ -> error */
1065 if (!strcmp(path, "/..")) {
1066 rpc_set_error(nfs->rpc,
1067 "Absolute path is '/..' "
1068 "during normalization");
1069 return -1;
1070 }
1071
1072 /* /string/..$ -> / */
1073 if (len >= 3) {
1074 if (!strcmp(&path[len - 3], "/..")) {
1075 char *tmp = &path[len - 3];
1076 while (*--tmp != '/')
1077 ;
4b1ae88a 1078 *tmp = '\0';
f893b680
RS		 1079 }
1080 }
1081
84004dbf
RS		 1082 return 0;
1083}
1084
1085static int nfs_lookuppath_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data, continue_func continue_cb, void *continue_data, void (*free_continue_data)(void *), int continue_int)
1086{
1087 struct nfs_cb_data *data;
1088
f893b680 1089 if (path[0] == '\0') {
34edf264 1090 path = ".";
84004dbf
RS		 1091 }
1092
1093 data = malloc(sizeof(struct nfs_cb_data));
1094 if (data == NULL) {
f893b680
RS		 1095 rpc_set_error(nfs->rpc, "out of memory: failed to allocate "
1096 "nfs_cb_data structure");
e59193c9
AR		 1097 if (free_continue_data)
1098 free_continue_data(continue_data);
cbbf9d3e 1099 return -1;
84004dbf 1100 }
ea98629a 1101 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1102 data->nfs = nfs;
1103 data->cb = cb;
1104 data->continue_cb = continue_cb;
1105 data->continue_data = continue_data;
1106 data->free_continue_data = free_continue_data;
1107 data->continue_int = continue_int;
1108 data->private_data = private_data;
f893b680
RS		 1109 if (path[0] == '/') {
1110 data->saved_path = strdup(path);
1111 } else {
1112 data->saved_path = malloc(strlen(path) + strlen(nfs->cwd) + 2);
1113 if (data->saved_path == NULL) {
1114 rpc_set_error(nfs->rpc, "out of memory: failed to "
1115 "malloc path string");
1116 free_nfs_cb_data(data);
1117 return -1;
1118 }
1119 sprintf(data->saved_path, "%s/%s", nfs->cwd, path);
1120 }
1121
84004dbf
RS		 1122 if (data->saved_path == NULL) {
1123 rpc_set_error(nfs->rpc, "out of memory: failed to copy path string");
84004dbf 1124 free_nfs_cb_data(data);
cbbf9d3e 1125 return -1;
84004dbf 1126 }
f893b680
RS		 1127 if (nfs_normalize_path(nfs, data->saved_path) != 0) {
1128 free_nfs_cb_data(data);
1129 return -1;
1130 }
1131
84004dbf
RS		 1132 data->path = data->saved_path;
1133
1134 if (nfs_lookup_path_async_internal(nfs, data, &nfs->rootfh) != 0) {
84004dbf
RS		 1135 /* return 0 here since the callback will be invoked if there is a failure */
1136 return 0;
1137 }
1138 return 0;
1139}
1140
1141
1142
1143
1144
1145/*
1146 * Async stat()
1147 */
f3a75078 1148static void nfs_stat_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1149{
1150 GETATTR3res *res;
1151 struct nfs_cb_data *data = private_data;
1152 struct nfs_context *nfs = data->nfs;
be184101
M		 1153#ifdef WIN32
1154 struct __stat64 st;
1155#else
84004dbf 1156 struct stat st;
be184101 1157#endif
84004dbf 1158
f3a75078
RS		 1159 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1160
84004dbf
RS		 1161 if (status == RPC_STATUS_ERROR) {
1162 data->cb(-EFAULT, nfs, command_data, data->private_data);
1163 free_nfs_cb_data(data);
1164 return;
1165 }
1166 if (status == RPC_STATUS_CANCEL) {
1167 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1168 free_nfs_cb_data(data);
1169 return;
1170 }
1171
1172 res = command_data;
1173 if (res->status != NFS3_OK) {
1174 rpc_set_error(nfs->rpc, "NFS: GETATTR of %s failed with %s(%d)", data->saved_path, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1175 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1176 free_nfs_cb_data(data);
1177 return;
1178 }
1179
1180 st.st_dev = -1;
1181 st.st_ino = res->GETATTR3res_u.resok.obj_attributes.fileid;
1182 st.st_mode = res->GETATTR3res_u.resok.obj_attributes.mode;
e8cab72a
RS		 1183 if (res->GETATTR3res_u.resok.obj_attributes.type == NF3DIR) {
1184 st.st_mode |= S_IFDIR ;
1185 }
d7ec001f
RS		 1186 if (res->GETATTR3res_u.resok.obj_attributes.type == NF3REG) {
1187 st.st_mode |= S_IFREG ;
1188 }
84004dbf
RS		 1189 st.st_nlink = res->GETATTR3res_u.resok.obj_attributes.nlink;
1190 st.st_uid = res->GETATTR3res_u.resok.obj_attributes.uid;
1191 st.st_gid = res->GETATTR3res_u.resok.obj_attributes.gid;
1192 st.st_rdev = 0;
1193 st.st_size = res->GETATTR3res_u.resok.obj_attributes.size;
a8a1b858 1194#ifndef WIN32
84004dbf
RS		 1195 st.st_blksize = 4096;
1196 st.st_blocks = res->GETATTR3res_u.resok.obj_attributes.size / 4096;
4b1ae88a 1197#endif//WIN32
84004dbf
RS		 1198 st.st_atime = res->GETATTR3res_u.resok.obj_attributes.atime.seconds;
1199 st.st_mtime = res->GETATTR3res_u.resok.obj_attributes.mtime.seconds;
1200 st.st_ctime = res->GETATTR3res_u.resok.obj_attributes.ctime.seconds;
1201
1202 data->cb(0, nfs, &st, data->private_data);
1203 free_nfs_cb_data(data);
1204}
1205
1206static int nfs_stat_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
1207{
463d59bf
RS		 1208 struct GETATTR3args args;
1209
1210 memset(&args, 0, sizeof(GETATTR3args));
2452c57f 1211 args.object = data->fh;
463d59bf
RS		 1212
1213 if (rpc_nfs3_getattr_async(nfs->rpc, nfs_stat_1_cb, &args, data) != 0) {
84004dbf
RS		 1214 rpc_set_error(nfs->rpc, "RPC error: Failed to send STAT GETATTR call for %s", data->path);
1215 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1216 free_nfs_cb_data(data);
1217 return -1;
1218 }
1219 return 0;
1220}
1221
1222int nfs_stat_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
1223{
1224 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_stat_continue_internal, NULL, NULL, 0) != 0) {
cbbf9d3e 1225 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 1226 return -1;
1227 }
1228
1229 return 0;
1230}
1231
1232
1233
84004dbf
RS		 1234/*
1235 * Async open()
1236 */
22a0f15b
RS		 1237static void nfs_open_trunc_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
1238{
1239 struct nfs_cb_data *data = private_data;
1240 struct nfs_context *nfs = data->nfs;
be7b4360 1241 struct nfsfh *nfsfh;
22a0f15b
RS		 1242 SETATTR3res *res;
1243
1244 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1245
1246 if (status == RPC_STATUS_ERROR) {
1247 data->cb(-EFAULT, nfs, command_data, data->private_data);
1248 free_nfs_cb_data(data);
1249 return;
1250 }
1251 if (status == RPC_STATUS_CANCEL) {
1252 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1253 free_nfs_cb_data(data);
1254 return;
1255 }
1256
1257 res = command_data;
1258 if (res->status != NFS3_OK) {
1259 rpc_set_error(nfs->rpc, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1260 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1261 free_nfs_cb_data(data);
1262 return;
1263 }
1264
be7b4360
RS		 1265 nfsfh = malloc(sizeof(struct nfsfh));
1266 if (nfsfh == NULL) {
1267 rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure");
1268 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1269 free_nfs_cb_data(data);
1270 return;
1271 }
1272 memset(nfsfh, 0, sizeof(struct nfsfh));
1273
1274 if (data->continue_int & O_SYNC) {
1275 nfsfh->is_sync = 1;
1276 }
1277
1278 /* steal the filehandle */
1279 nfsfh->fh = data->fh;
1280 data->fh.data.data_val = NULL;
1281
1282 data->cb(0, nfs, nfsfh, data->private_data);
22a0f15b
RS		 1283 free_nfs_cb_data(data);
1284}
1285
f3a75078 1286static void nfs_open_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1287{
1288 ACCESS3res *res;
1289 struct nfs_cb_data *data = private_data;
1290 struct nfs_context *nfs = data->nfs;
1291 struct nfsfh *nfsfh;
1292 unsigned int nfsmode = 0;
1293
f3a75078
RS		 1294 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1295
84004dbf
RS		 1296 if (status == RPC_STATUS_ERROR) {
1297 data->cb(-EFAULT, nfs, command_data, data->private_data);
1298 free_nfs_cb_data(data);
1299 return;
1300 }
1301 if (status == RPC_STATUS_CANCEL) {
1302 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1303 free_nfs_cb_data(data);
1304 return;
1305 }
1306
1307 res = command_data;
1308 if (res->status != NFS3_OK) {
1309 rpc_set_error(nfs->rpc, "NFS: ACCESS of %s failed with %s(%d)", data->saved_path, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1310 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1311 free_nfs_cb_data(data);
1312 return;
1313 }
1314
1315 if (data->continue_int & O_WRONLY) {
1316 nfsmode |= ACCESS3_MODIFY;
1317 }
1318 if (data->continue_int & O_RDWR) {
1319 nfsmode |= ACCESS3_READ|ACCESS3_MODIFY;
1320 }
1321 if (!(data->continue_int & (O_WRONLY|O_RDWR))) {
1322 nfsmode |= ACCESS3_READ;
1323 }
1324
1325
1326 if (res->ACCESS3res_u.resok.access != nfsmode) {
1327 rpc_set_error(nfs->rpc, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c",
1328 nfsmode&ACCESS3_READ?'r':'-',
1329 nfsmode&ACCESS3_MODIFY?'w':'-',
1330 nfsmode&ACCESS3_EXECUTE?'x':'-',
1331 res->ACCESS3res_u.resok.access&ACCESS3_READ?'r':'-',
1332 res->ACCESS3res_u.resok.access&ACCESS3_MODIFY?'w':'-',
1333 res->ACCESS3res_u.resok.access&ACCESS3_EXECUTE?'x':'-');
1334 data->cb(-EACCES, nfs, rpc_get_error(nfs->rpc), data->private_data);
1335 free_nfs_cb_data(data);
1336 return;
1337 }
1338
22a0f15b
RS		 1339 /* Try to truncate it if we were requested to */
1340 if ((data->continue_int & O_TRUNC) &&
1341 (data->continue_int & (O_RDWR|O_WRONLY))) {
1342 SETATTR3args args;
1343
1344 memset(&args, 0, sizeof(SETATTR3args));
be7b4360 1345 args.object = data->fh;
22a0f15b
RS		 1346 args.new_attributes.size.set_it = 1;
1347 args.new_attributes.size.set_size3_u.size = 0;
1348
1349 if (rpc_nfs3_setattr_async(nfs->rpc, nfs_open_trunc_cb, &args,
1350 data) != 0) {
1351 rpc_set_error(nfs->rpc, "RPC error: Failed to send "
1352 "SETATTR call for %s", data->path);
1353 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc),
1354 data->private_data);
1355 free_nfs_cb_data(data);
1356 return;
1357 }
1358 return;
1359 }
1360
be7b4360
RS		 1361 nfsfh = malloc(sizeof(struct nfsfh));
1362 if (nfsfh == NULL) {
1363 rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure");
1364 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1365 free_nfs_cb_data(data);
1366 return;
1367 }
1368 memset(nfsfh, 0, sizeof(struct nfsfh));
1369
1370 if (data->continue_int & O_SYNC) {
1371 nfsfh->is_sync = 1;
1372 }
1373
1374 /* steal the filehandle */
1375 nfsfh->fh = data->fh;
1376 data->fh.data.data_val = NULL;
1377
84004dbf
RS		 1378 data->cb(0, nfs, nfsfh, data->private_data);
1379 free_nfs_cb_data(data);
1380}
1381
1382static int nfs_open_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
1383{
1384 int nfsmode = 0;
463d59bf 1385 ACCESS3args args;
84004dbf
RS		 1386
1387 if (data->continue_int & O_WRONLY) {
1388 nfsmode |= ACCESS3_MODIFY;
1389 }
1390 if (data->continue_int & O_RDWR) {
1391 nfsmode |= ACCESS3_READ|ACCESS3_MODIFY;
1392 }
1393 if (!(data->continue_int & (O_WRONLY|O_RDWR))) {
1394 nfsmode |= ACCESS3_READ;
1395 }
1396
463d59bf 1397 memset(&args, 0, sizeof(ACCESS3args));
2452c57f 1398 args.object = data->fh;
463d59bf
RS		 1399 args.access = nfsmode;
1400
1401 if (rpc_nfs3_access_async(nfs->rpc, nfs_open_cb, &args, data) != 0) {
22a0f15b
RS		 1402 rpc_set_error(nfs->rpc, "RPC error: Failed to send OPEN ACCESS "
1403 "call for %s", data->path);
1404 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc),
1405 data->private_data);
84004dbf
RS		 1406 free_nfs_cb_data(data);
1407 return -1;
1408 }
1409 return 0;
1410}
1411
3cea44dc 1412int nfs_open_async(struct nfs_context *nfs, const char *path, int flags, nfs_cb cb, void *private_data)
84004dbf 1413{
3cea44dc 1414 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_open_continue_internal, NULL, NULL, flags) != 0) {
cbbf9d3e
RS		 1415 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
1416 return -1;
84004dbf
RS		 1417 }
1418
1419 return 0;
1420}
1421
1422
f893b680
RS		 1423/*
1424 * Async chdir()
1425 */
1426static int nfs_chdir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
1427{
1428 /* steal saved_path */
1429 free(nfs->cwd);
1430 nfs->cwd = data->saved_path;
1431 data->saved_path = NULL;
84004dbf 1432
f893b680
RS		 1433 data->cb(0, nfs, NULL, data->private_data);
1434 free_nfs_cb_data(data);
1435
1436 return 0;
1437}
1438
1439int nfs_chdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
1440{
1441 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_chdir_continue_internal, NULL, NULL, 0) != 0) {
1442 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
1443 return -1;
1444 }
1445
1446 return 0;
1447}
84004dbf
RS		 1448
1449
1450/*
1451 * Async pread()
1452 */
f3a75078 1453static void nfs_pread_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1454{
1455 struct nfs_cb_data *data = private_data;
1456 struct nfs_context *nfs = data->nfs;
1457 READ3res *res;
1458
f3a75078
RS		 1459 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1460
84004dbf
RS		 1461 if (status == RPC_STATUS_ERROR) {
1462 data->cb(-EFAULT, nfs, command_data, data->private_data);
1463 free_nfs_cb_data(data);
1464 return;
1465 }
1466 if (status == RPC_STATUS_CANCEL) {
1467 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1468 free_nfs_cb_data(data);
1469 return;
1470 }
1471
1472 res = command_data;
1473 if (res->status != NFS3_OK) {
1474 rpc_set_error(nfs->rpc, "NFS: Read failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1475 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1476 free_nfs_cb_data(data);
1477 return;
1478 }
1479
1480 data->nfsfh->offset += res->READ3res_u.resok.count;
1481 data->cb(res->READ3res_u.resok.count, nfs, res->READ3res_u.resok.data.data_val, data->private_data);
1482 free_nfs_cb_data(data);
1483}
1484
f3a75078 1485static void nfs_pread_mcb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
921f877b
RS		 1486{
1487 struct nfs_mcb_data *mdata = private_data;
1488 struct nfs_cb_data *data = mdata->data;
1489 struct nfs_context *nfs = data->nfs;
1490 READ3res *res;
1491
f3a75078
RS		 1492 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1493
921f877b
RS		 1494 data->num_calls--;
1495
1496 if (status == RPC_STATUS_ERROR) {
1497 /* flag the failure but do not invoke callback until we have received all responses */
1498 data->error = 1;
1499 }
1500 if (status == RPC_STATUS_CANCEL) {
1501 /* flag the cancellation but do not invoke callback until we have received all responses */
1502 data->cancel = 1;
1503 }
1504
1505 /* reassemble the data into the buffer */
1506 if (status == RPC_STATUS_SUCCESS) {
1507 res = command_data;
1508 if (res->status != NFS3_OK) {
1509 rpc_set_error(nfs->rpc, "NFS: Read failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1510 data->error = 1;
e4a5ba42
RS		 1511 } else {
1512 if (res->READ3res_u.resok.count > 0) {
1513 memcpy(&data->buffer[mdata->offset - data->start_offset], res->READ3res_u.resok.data.data_val, res->READ3res_u.resok.count);
1514 if ((unsigned)data->max_offset < mdata->offset + res->READ3res_u.resok.count) {
1515 data->max_offset = mdata->offset + res->READ3res_u.resok.count;
1516 }
921f877b
RS		 1517 }
1518 }
1519 }
1520
1521 if (data->num_calls > 0) {
1522 /* still waiting for more replies */
1523 free(mdata);
1524 return;
1525 }
1526
921f877b
RS		 1527 if (data->error != 0) {
1528 data->cb(-EFAULT, nfs, command_data, data->private_data);
1529 free_nfs_cb_data(data);
1530 free(mdata);
1531 return;
1532 }
1533 if (data->cancel != 0) {
1534 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1535 free_nfs_cb_data(data);
1536 free(mdata);
1537 return;
1538 }
1539
1540 data->nfsfh->offset = data->max_offset;
7ed9d87a
RS		 1541 data->cb(data->max_offset - data->start_offset, nfs, data->buffer, data->private_data);
1542
921f877b
RS		 1543 free_nfs_cb_data(data);
1544 free(mdata);
1545}
1546
183451cf 1547int nfs_pread_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t offset, uint64_t count, nfs_cb cb, void *private_data)
84004dbf
RS		 1548{
1549 struct nfs_cb_data *data;
1550
1551 data = malloc(sizeof(struct nfs_cb_data));
1552 if (data == NULL) {
1553 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1554 return -1;
1555 }
ea98629a 1556 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1557 data->nfs = nfs;
1558 data->cb = cb;
1559 data->private_data = private_data;
1560 data->nfsfh = nfsfh;
1561
1562 nfsfh->offset = offset;
921f877b
RS		 1563
1564 if (count <= nfs_get_readmax(nfs)) {
463d59bf
RS		 1565 READ3args args;
1566
1567 memset(&args, 0, sizeof(READ3args));
2452c57f 1568 args.file = nfsfh->fh;
463d59bf
RS		 1569 args.offset = offset;
1570 args.count = count;
1571
1572 if (rpc_nfs3_read_async(nfs->rpc, nfs_pread_cb, &args, data) != 0) {
921f877b
RS		 1573 rpc_set_error(nfs->rpc, "RPC error: Failed to send READ call for %s", data->path);
1574 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1575 free_nfs_cb_data(data);
1576 return -1;
1577 }
1578 return 0;
1579 }
1580
1581 /* trying to read more than maximum server read size, we has to chop it up into smaller
1582 * reads and collect into a reassembly buffer.
cd67ec7d 1583 * we send all reads in parallel so that performance is still good.
921f877b 1584 */
7ed9d87a 1585 data->max_offset = offset;
921f877b
RS		 1586 data->start_offset = offset;
1587
1588 data->buffer = malloc(count);
1589 if (data->buffer == NULL) {
1590 rpc_set_error(nfs->rpc, "Out-Of-Memory: Failed to allocate reassembly buffer for %d bytes", (int)count);
84004dbf
RS		 1591 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1592 free_nfs_cb_data(data);
1593 return -1;
1594 }
921f877b
RS		 1595
1596 while (count > 0) {
183451cf 1597 uint64_t readcount = count;
921f877b 1598 struct nfs_mcb_data *mdata;
463d59bf 1599 READ3args args;
921f877b
RS		 1600
1601 if (readcount > nfs_get_readmax(nfs)) {
1602 readcount = nfs_get_readmax(nfs);
1603 }
1604
1605 mdata = malloc(sizeof(struct nfs_mcb_data));
1606 if (mdata == NULL) {
1607 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_mcb_data structure");
921f877b
RS		 1608 return -1;
1609 }
ea98629a 1610 memset(mdata, 0, sizeof(struct nfs_mcb_data));
921f877b
RS		 1611 mdata->data = data;
1612 mdata->offset = offset;
1613 mdata->count = readcount;
463d59bf
RS		 1614
1615 memset(&args, 0, sizeof(READ3args));
2452c57f 1616 args.file = nfsfh->fh;
463d59bf
RS		 1617 args.offset = offset;
1618 args.count = readcount;
1619
1620 if (rpc_nfs3_read_async(nfs->rpc, nfs_pread_mcb, &args, mdata) != 0) {
921f877b
RS		 1621 rpc_set_error(nfs->rpc, "RPC error: Failed to send READ call for %s", data->path);
1622 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1623 free(mdata);
1624 return -1;
1625 }
1626
1627 count -= readcount;
1628 offset += readcount;
1629 data->num_calls++;
1630 }
1631
1632 return 0;
84004dbf
RS		 1633}
1634
1635/*
1636 * Async read()
1637 */
183451cf 1638int nfs_read_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t count, nfs_cb cb, void *private_data)
84004dbf
RS		 1639{
1640 return nfs_pread_async(nfs, nfsfh, nfsfh->offset, count, cb, private_data);
1641}
1642
1643
1644
1645/*
1646 * Async pwrite()
1647 */
f3a75078 1648static void nfs_pwrite_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1649{
1650 struct nfs_cb_data *data = private_data;
1651 struct nfs_context *nfs = data->nfs;
1652 WRITE3res *res;
1653
f3a75078
RS		 1654 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1655
84004dbf
RS		 1656 if (status == RPC_STATUS_ERROR) {
1657 data->cb(-EFAULT, nfs, command_data, data->private_data);
1658 free_nfs_cb_data(data);
1659 return;
1660 }
1661 if (status == RPC_STATUS_CANCEL) {
1662 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1663 free_nfs_cb_data(data);
1664 return;
1665 }
1666
1667 res = command_data;
1668 if (res->status != NFS3_OK) {
1669 rpc_set_error(nfs->rpc, "NFS: Write failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1670 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1671 free_nfs_cb_data(data);
1672 return;
1673 }
1674
1675 data->nfsfh->offset += res->WRITE3res_u.resok.count;
1676 data->cb(res->WRITE3res_u.resok.count, nfs, NULL, data->private_data);
1677 free_nfs_cb_data(data);
1678}
1679
f3a75078 1680static void nfs_pwrite_mcb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
18c27b73
RS		 1681{
1682 struct nfs_mcb_data *mdata = private_data;
1683 struct nfs_cb_data *data = mdata->data;
1684 struct nfs_context *nfs = data->nfs;
1685 WRITE3res *res;
1686
f3a75078
RS		 1687 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1688
18c27b73
RS		 1689 data->num_calls--;
1690
1691 if (status == RPC_STATUS_ERROR) {
1692 /* flag the failure but do not invoke callback until we have received all responses */
1693 data->error = 1;
1694 }
1695 if (status == RPC_STATUS_CANCEL) {
1696 /* flag the cancellation but do not invoke callback until we have received all responses */
1697 data->cancel = 1;
1698 }
1699
1700 if (status == RPC_STATUS_SUCCESS) {
1701 res = command_data;
1702 if (res->status != NFS3_OK) {
1703 rpc_set_error(nfs->rpc, "NFS: Write failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1704 data->error = 1;
1705 } else {
1706 if (res->WRITE3res_u.resok.count > 0) {
1707 if ((unsigned)data->max_offset < mdata->offset + res->WRITE3res_u.resok.count) {
1708 data->max_offset = mdata->offset + res->WRITE3res_u.resok.count;
1709 }
1710 }
1711 }
1712 }
1713
1714 if (data->num_calls > 0) {
1715 /* still waiting for more replies */
1716 free(mdata);
1717 return;
1718 }
1719
1720 if (data->error != 0) {
1721 data->cb(-EFAULT, nfs, command_data, data->private_data);
1722 free_nfs_cb_data(data);
1723 free(mdata);
1724 return;
1725 }
1726 if (data->cancel != 0) {
1727 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1728 free_nfs_cb_data(data);
1729 free(mdata);
1730 return;
1731 }
1732
1733 data->nfsfh->offset = data->max_offset;
1734 data->cb(data->max_offset - data->start_offset, nfs, NULL, data->private_data);
1735
1736 free_nfs_cb_data(data);
1737 free(mdata);
1738}
1739
1740
183451cf 1741int nfs_pwrite_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t offset, uint64_t count, char *buf, nfs_cb cb, void *private_data)
84004dbf
RS		 1742{
1743 struct nfs_cb_data *data;
1744
1745 data = malloc(sizeof(struct nfs_cb_data));
1746 if (data == NULL) {
1747 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1748 return -1;
1749 }
ea98629a 1750 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1751 data->nfs = nfs;
1752 data->cb = cb;
1753 data->private_data = private_data;
1754 data->nfsfh = nfsfh;
1755
1756 nfsfh->offset = offset;
18c27b73
RS		 1757
1758 if (count <= nfs_get_writemax(nfs)) {
463d59bf
RS		 1759 WRITE3args args;
1760
1761 memset(&args, 0, sizeof(WRITE3args));
2452c57f 1762 args.file = nfsfh->fh;
463d59bf
RS		 1763 args.offset = offset;
1764 args.count = count;
1765 args.stable = nfsfh->is_sync?FILE_SYNC:UNSTABLE;
1766 args.data.data_len = count;
1767 args.data.data_val = buf;
1768
1769 if (rpc_nfs3_write_async(nfs->rpc, nfs_pwrite_cb, &args, data) != 0) {
18c27b73
RS		 1770 rpc_set_error(nfs->rpc, "RPC error: Failed to send WRITE call for %s", data->path);
1771 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1772 free_nfs_cb_data(data);
1773 return -1;
1774 }
1775 return 0;
84004dbf 1776 }
18c27b73
RS		 1777
1778 /* trying to write more than maximum server write size, we has to chop it up into smaller
1779 * chunks.
cd67ec7d 1780 * we send all writes in parallel so that performance is still good.
18c27b73
RS		 1781 */
1782 data->max_offset = offset;
1783 data->start_offset = offset;
1784
1785 while (count > 0) {
183451cf 1786 uint64_t writecount = count;
18c27b73 1787 struct nfs_mcb_data *mdata;
463d59bf 1788 WRITE3args args;
18c27b73
RS		 1789
1790 if (writecount > nfs_get_writemax(nfs)) {
1791 writecount = nfs_get_writemax(nfs);
1792 }
1793
1794 mdata = malloc(sizeof(struct nfs_mcb_data));
1795 if (mdata == NULL) {
1796 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_mcb_data structure");
1797 return -1;
1798 }
1799 memset(mdata, 0, sizeof(struct nfs_mcb_data));
1800 mdata->data = data;
1801 mdata->offset = offset;
1802 mdata->count = writecount;
1803
463d59bf 1804 memset(&args, 0, sizeof(WRITE3args));
2452c57f 1805 args.file = nfsfh->fh;
463d59bf
RS		 1806 args.offset = offset;
1807 args.count = writecount;
1808 args.stable = nfsfh->is_sync?FILE_SYNC:UNSTABLE;
1809 args.data.data_len = writecount;
1810 args.data.data_val = &buf[offset - data->start_offset];
1811
1812 if (rpc_nfs3_write_async(nfs->rpc, nfs_pwrite_mcb, &args, mdata) != 0) {
18c27b73
RS		 1813 rpc_set_error(nfs->rpc, "RPC error: Failed to send WRITE call for %s", data->path);
1814 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1815 free(mdata);
1816 return -1;
1817 }
1818
1819 count -= writecount;
1820 offset += writecount;
1821 data->num_calls++;
1822 }
1823
84004dbf
RS		 1824 return 0;
1825}
1826
1827/*
1828 * Async write()
1829 */
183451cf 1830int nfs_write_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t count, char *buf, nfs_cb cb, void *private_data)
84004dbf
RS		 1831{
1832 return nfs_pwrite_async(nfs, nfsfh, nfsfh->offset, count, buf, cb, private_data);
1833}
1834
1835
1836
1837
1838/*
1839 * close
1840 */
4b1ae88a 1841
84004dbf
RS		 1842int nfs_close_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data)
1843{
1844 if (nfsfh->fh.data.data_val != NULL){
1845 free(nfsfh->fh.data.data_val);
1846 nfsfh->fh.data.data_val = NULL;
1847 }
1848 free(nfsfh);
1849
1850 cb(0, nfs, NULL, private_data);
1851 return 0;
1852};
1853
1854
1855
1856
1857
1858/*
1859 * Async fstat()
1860 */
1861int nfs_fstat_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data)
1862{
1863 struct nfs_cb_data *data;
463d59bf 1864 struct GETATTR3args args;
84004dbf
RS		 1865
1866 data = malloc(sizeof(struct nfs_cb_data));
1867 if (data == NULL) {
1868 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1869 return -1;
1870 }
ea98629a 1871 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1872 data->nfs = nfs;
1873 data->cb = cb;
1874 data->private_data = private_data;
1875
463d59bf 1876 memset(&args, 0, sizeof(GETATTR3args));
2452c57f 1877 args.object = nfsfh->fh;
463d59bf
RS		 1878
1879 if (rpc_nfs3_getattr_async(nfs->rpc, nfs_stat_1_cb, &args, data) != 0) {
84004dbf
RS		 1880 rpc_set_error(nfs->rpc, "RPC error: Failed to send STAT GETATTR call for %s", data->path);
1881 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1882 free_nfs_cb_data(data);
1883 return -1;
1884 }
1885 return 0;
1886}
1887
1888
1889
1890/*
1891 * Async fsync()
1892 */
f3a75078 1893static void nfs_fsync_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1894{
1895 struct nfs_cb_data *data = private_data;
1896 struct nfs_context *nfs = data->nfs;
1897 COMMIT3res *res;
1898
f3a75078
RS		 1899 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1900
84004dbf
RS		 1901 if (status == RPC_STATUS_ERROR) {
1902 data->cb(-EFAULT, nfs, command_data, data->private_data);
1903 free_nfs_cb_data(data);
1904 return;
1905 }
1906 if (status == RPC_STATUS_CANCEL) {
1907 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1908 free_nfs_cb_data(data);
1909 return;
1910 }
1911
1912 res = command_data;
1913 if (res->status != NFS3_OK) {
1914 rpc_set_error(nfs->rpc, "NFS: Commit failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1915 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1916 free_nfs_cb_data(data);
1917 return;
1918 }
1919
1920 data->cb(0, nfs, NULL, data->private_data);
1921 free_nfs_cb_data(data);
1922}
1923
1924int nfs_fsync_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data)
1925{
1926 struct nfs_cb_data *data;
1a5636ff 1927 struct COMMIT3args args;
84004dbf
RS		 1928
1929 data = malloc(sizeof(struct nfs_cb_data));
1930 if (data == NULL) {
1931 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1932 return -1;
1933 }
ea98629a 1934 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1935 data->nfs = nfs;
1936 data->cb = cb;
1937 data->private_data = private_data;
1938
1a5636ff
RS		 1939 args.file = nfsfh->fh;
1940 args.offset = 0;
1941 args.count = 0;
1942 if (rpc_nfs3_commit_async(nfs->rpc, nfs_fsync_cb, &args, data) != 0) {
84004dbf
RS		 1943 rpc_set_error(nfs->rpc, "RPC error: Failed to send COMMIT call for %s", data->path);
1944 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1945 free_nfs_cb_data(data);
1946 return -1;
1947 }
1948 return 0;
1949}
1950
1951
1952
1953
1954/*
1955 * Async ftruncate()
1956 */
f3a75078 1957static void nfs_ftruncate_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1958{
1959 struct nfs_cb_data *data = private_data;
1960 struct nfs_context *nfs = data->nfs;
1961 SETATTR3res *res;
1962
f3a75078
RS		 1963 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1964
84004dbf
RS		 1965 if (status == RPC_STATUS_ERROR) {
1966 data->cb(-EFAULT, nfs, command_data, data->private_data);
1967 free_nfs_cb_data(data);
1968 return;
1969 }
1970 if (status == RPC_STATUS_CANCEL) {
1971 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1972 free_nfs_cb_data(data);
1973 return;
1974 }
1975
1976 res = command_data;
1977 if (res->status != NFS3_OK) {
1978 rpc_set_error(nfs->rpc, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1979 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1980 free_nfs_cb_data(data);
1981 return;
1982 }
1983
1984 data->cb(0, nfs, NULL, data->private_data);
1985 free_nfs_cb_data(data);
1986}
1987
183451cf 1988int nfs_ftruncate_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t length, nfs_cb cb, void *private_data)
84004dbf
RS		 1989{
1990 struct nfs_cb_data *data;
1991 SETATTR3args args;
1992
1993 data = malloc(sizeof(struct nfs_cb_data));
1994 if (data == NULL) {
1995 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1996 return -1;
1997 }
ea98629a 1998 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1999 data->nfs = nfs;
2000 data->cb = cb;
2001 data->private_data = private_data;
2002
ea98629a 2003 memset(&args, 0, sizeof(SETATTR3args));
2452c57f 2004 args.object = nfsfh->fh;
84004dbf
RS		 2005 args.new_attributes.size.set_it = 1;
2006 args.new_attributes.size.set_size3_u.size = length;
2007
b701254d 2008 if (rpc_nfs3_setattr_async(nfs->rpc, nfs_ftruncate_cb, &args, data) != 0) {
84004dbf
RS		 2009 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
2010 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2011 free_nfs_cb_data(data);
2012 return -1;
2013 }
2014 return 0;
2015}
2016
2017
2018/*
2019 * Async truncate()
2020 */
2021static int nfs_truncate_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2022{
183451cf 2023 uint64_t offset = data->continue_int;
84004dbf
RS		 2024 struct nfsfh nfsfh;
2025
2452c57f 2026 nfsfh.fh = data->fh;
84004dbf
RS		 2027
2028 if (nfs_ftruncate_async(nfs, &nfsfh, offset, data->cb, data->private_data) != 0) {
2029 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
2030 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2031 free_nfs_cb_data(data);
2032 return -1;
2033 }
2034 free_nfs_cb_data(data);
2035 return 0;
2036}
2037
183451cf 2038int nfs_truncate_async(struct nfs_context *nfs, const char *path, uint64_t length, nfs_cb cb, void *private_data)
84004dbf 2039{
183451cf 2040 uint64_t offset;
84004dbf
RS		 2041
2042 offset = length;
2043
2044 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_truncate_continue_internal, NULL, NULL, offset) != 0) {
cbbf9d3e
RS		 2045 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2046 return -1;
84004dbf
RS		 2047 }
2048
2049 return 0;
2050}
2051
2052
2053
2054
2055/*
2056 * Async mkdir()
2057 */
f3a75078 2058static void nfs_mkdir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2059{
2060 MKDIR3res *res;
2061 struct nfs_cb_data *data = private_data;
2062 struct nfs_context *nfs = data->nfs;
2063 char *str = data->continue_data;
4b1ae88a 2064
f3a75078
RS		 2065 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2066
84004dbf
RS		 2067 str = &str[strlen(str) + 1];
2068
2069 if (status == RPC_STATUS_ERROR) {
2070 data->cb(-EFAULT, nfs, command_data, data->private_data);
2071 free_nfs_cb_data(data);
2072 return;
2073 }
2074 if (status == RPC_STATUS_CANCEL) {
2075 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2076 free_nfs_cb_data(data);
2077 return;
2078 }
2079
2080 res = command_data;
2081 if (res->status != NFS3_OK) {
2082 rpc_set_error(nfs->rpc, "NFS: MKDIR of %s/%s failed with %s(%d)", data->saved_path, str, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
2083 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2084 free_nfs_cb_data(data);
2085 return;
2086 }
2087
2088 data->cb(0, nfs, NULL, data->private_data);
2089 free_nfs_cb_data(data);
2090}
2091
2092static int nfs_mkdir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2093{
2094 char *str = data->continue_data;
7edc9026
RS		 2095 MKDIR3args args;
2096
84004dbf
RS		 2097 str = &str[strlen(str) + 1];
2098
7edc9026 2099 memset(&args, 0, sizeof(MKDIR3args));
2452c57f 2100 args.where.dir = data->fh;
7edc9026
RS		 2101 args.where.name = str;
2102 args.attributes.mode.set_it = 1;
2103 args.attributes.mode.set_mode3_u.mode = 0755;
2104
acabd6bf 2105 if (rpc_nfs3_mkdir_async(nfs->rpc, nfs_mkdir_cb, &args, data) != 0) {
84004dbf
RS		 2106 rpc_set_error(nfs->rpc, "RPC error: Failed to send MKDIR call for %s", data->path);
2107 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2108 free_nfs_cb_data(data);
2109 return -1;
2110 }
2111 return 0;
2112}
2113
2114int nfs_mkdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
2115{
2116 char *new_path;
2117 char *ptr;
2118
2119 new_path = strdup(path);
2120 if (new_path == NULL) {
cbbf9d3e 2121 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 2122 return -1;
2123 }
2124
93e9306f 2125 ptr = strrchr(new_path, '/');
84004dbf 2126 if (ptr == NULL) {
b1a197f5 2127 free(new_path);
cbbf9d3e
RS		 2128 rpc_set_error(nfs->rpc, "Invalid path %s", path);
2129 return -1;
84004dbf
RS		 2130 }
2131 *ptr = 0;
2132
2133 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2134 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_mkdir_continue_internal, new_path, free, 0) != 0) {
cbbf9d3e
RS		 2135 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path component");
2136 return -1;
84004dbf
RS		 2137 }
2138
2139 return 0;
2140}
2141
2142
2143
2144
2145
2146/*
2147 * Async rmdir()
2148 */
f3a75078 2149static void nfs_rmdir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2150{
2151 RMDIR3res *res;
2152 struct nfs_cb_data *data = private_data;
2153 struct nfs_context *nfs = data->nfs;
2154 char *str = data->continue_data;
4b1ae88a 2155
f3a75078
RS		 2156 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2157
84004dbf
RS		 2158 str = &str[strlen(str) + 1];
2159
2160 if (status == RPC_STATUS_ERROR) {
2161 data->cb(-EFAULT, nfs, command_data, data->private_data);
2162 free_nfs_cb_data(data);
2163 return;
2164 }
2165 if (status == RPC_STATUS_CANCEL) {
2166 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2167 free_nfs_cb_data(data);
2168 return;
2169 }
2170
2171 res = command_data;
2172 if (res->status != NFS3_OK) {
2173 rpc_set_error(nfs->rpc, "NFS: RMDIR of %s/%s failed with %s(%d)", data->saved_path, str, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
2174 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2175 free_nfs_cb_data(data);
2176 return;
2177 }
2178
2179 data->cb(0, nfs, NULL, data->private_data);
2180 free_nfs_cb_data(data);
2181}
2182
2183static int nfs_rmdir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2184{
2185 char *str = data->continue_data;
bf817ee6
RS		 2186 RMDIR3args args;
2187
84004dbf
RS		 2188 str = &str[strlen(str) + 1];
2189
bf817ee6
RS		 2190 args.object.dir = data->fh;
2191 args.object.name = str;
2192 if (rpc_nfs3_rmdir_async(nfs->rpc, nfs_rmdir_cb, &args, data) != 0) {
84004dbf
RS		 2193 rpc_set_error(nfs->rpc, "RPC error: Failed to send RMDIR call for %s", data->path);
2194 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2195 free_nfs_cb_data(data);
2196 return -1;
2197 }
2198 return 0;
2199}
2200
2201int nfs_rmdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
2202{
2203 char *new_path;
2204 char *ptr;
2205
2206 new_path = strdup(path);
2207 if (new_path == NULL) {
cbbf9d3e 2208 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 2209 return -1;
2210 }
2211
93e9306f 2212 ptr = strrchr(new_path, '/');
84004dbf 2213 if (ptr == NULL) {
2257433d 2214 free(new_path);
cbbf9d3e
RS		 2215 rpc_set_error(nfs->rpc, "Invalid path %s", path);
2216 return -1;
84004dbf
RS		 2217 }
2218 *ptr = 0;
2219
2220 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2221 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_rmdir_continue_internal, new_path, free, 0) != 0) {
cbbf9d3e
RS		 2222 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2223 return -1;
84004dbf
RS		 2224 }
2225
2226 return 0;
2227}
2228
2229
2230
2231
2232/*
2233 * Async creat()
2234 */
f3a75078 2235static void nfs_create_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2236{
2237 LOOKUP3res *res;
2238 struct nfs_cb_data *data = private_data;
2239 struct nfs_context *nfs = data->nfs;
2240 struct nfsfh *nfsfh;
2241 char *str = data->continue_data;
2242
f3a75078
RS		 2243 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2244
84004dbf
RS		 2245 if (status == RPC_STATUS_ERROR) {
2246 data->cb(-EFAULT, nfs, command_data, data->private_data);
2247 free_nfs_cb_data(data);
2248 return;
2249 }
2250 if (status == RPC_STATUS_CANCEL) {
2251 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2252 free_nfs_cb_data(data);
2253 return;
2254 }
2255
2256 str = &str[strlen(str) + 1];
2257 res = command_data;
2258 if (res->status != NFS3_OK) {
2259 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));
2260 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2261
2262 return;
2263 }
2264
2265 nfsfh = malloc(sizeof(struct nfsfh));
2266 if (nfsfh == NULL) {
2267 rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure");
2268 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2269 free_nfs_cb_data(data);
2270 return;
2271 }
ea98629a 2272 memset(nfsfh, 0, sizeof(struct nfsfh));
84004dbf 2273
0c1a9d7a
RS		 2274 /* copy the filehandle */
2275 nfsfh->fh.data.data_len = res->LOOKUP3res_u.resok.object.data.data_len;
2276 nfsfh->fh.data.data_val = malloc(nfsfh->fh.data.data_len);
2277 memcpy(nfsfh->fh.data.data_val, res->LOOKUP3res_u.resok.object.data.data_val, nfsfh->fh.data.data_len);
84004dbf
RS		 2278
2279 data->cb(0, nfs, nfsfh, data->private_data);
2280 free_nfs_cb_data(data);
2281}
2282
2283
2284
f3a75078 2285static void nfs_creat_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2286{
2287 CREATE3res *res;
2288 struct nfs_cb_data *data = private_data;
2289 struct nfs_context *nfs = data->nfs;
2290 char *str = data->continue_data;
463d59bf 2291 LOOKUP3args args;
84004dbf 2292
f3a75078
RS		 2293 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2294
84004dbf
RS		 2295 if (status == RPC_STATUS_ERROR) {
2296 data->cb(-EFAULT, nfs, command_data, data->private_data);
2297 free_nfs_cb_data(data);
2298 return;
2299 }
2300 if (status == RPC_STATUS_CANCEL) {
2301 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2302 free_nfs_cb_data(data);
2303 return;
2304 }
2305
2306 str = &str[strlen(str) + 1];
2307 res = command_data;
2308 if (res->status != NFS3_OK) {
2309 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));
2310 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
fadbf8cf 2311 free_nfs_cb_data(data);
84004dbf
RS		 2312 return;
2313 }
2314
463d59bf 2315 memset(&args, 0, sizeof(LOOKUP3args));
2452c57f
RS		 2316 args.what.dir = data->fh;
2317 args.what.name = str;
463d59bf
RS		 2318
2319 if (rpc_nfs3_lookup_async(nfs->rpc, nfs_create_2_cb, &args, data) != 0) {
84004dbf
RS		 2320 rpc_set_error(nfs->rpc, "RPC error: Failed to send lookup call for %s/%s", data->saved_path, str);
2321 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2322 free_nfs_cb_data(data);
2323 return;
2324 }
2325 return;
2326}
2327
2328static int nfs_creat_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2329{
2330 char *str = data->continue_data;
c985c015
RS		 2331 CREATE3args args;
2332
84004dbf
RS		 2333 str = &str[strlen(str) + 1];
2334
c985c015 2335 memset(&args, 0, sizeof(CREATE3args));
2452c57f 2336 args.where.dir = data->fh;
c985c015
RS		 2337 args.where.name = str;
2338 args.how.mode = UNCHECKED;
2339 args.how.createhow3_u.obj_attributes.mode.set_it = 1;
2340 args.how.createhow3_u.obj_attributes.mode.set_mode3_u.mode = data->continue_int;
2341
789c3f12 2342 if (rpc_nfs3_create_async(nfs->rpc, nfs_creat_1_cb, &args, data) != 0) {
84004dbf
RS		 2343 rpc_set_error(nfs->rpc, "RPC error: Failed to send CREATE call for %s/%s", data->path, str);
2344 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2345 free_nfs_cb_data(data);
2346 return -1;
2347 }
2348 return 0;
2349}
2350
2351int nfs_creat_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data)
2352{
2353 char *new_path;
2354 char *ptr;
2355
2356 new_path = strdup(path);
2357 if (new_path == NULL) {
cbbf9d3e 2358 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 2359 return -1;
2360 }
2361
93e9306f 2362 ptr = strrchr(new_path, '/');
84004dbf 2363 if (ptr == NULL) {
cbbf9d3e 2364 rpc_set_error(nfs->rpc, "Invalid path %s", path);
a1287496 2365 free(new_path);
cbbf9d3e 2366 return -1;
84004dbf
RS		 2367 }
2368 *ptr = 0;
2369
73f4ae7c 2370 /* new_path now points to the parent directory, and beyond the nul terminator is the new directory to create */
84004dbf 2371 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_creat_continue_internal, new_path, free, mode) != 0) {
cbbf9d3e
RS		 2372 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2373 return -1;
84004dbf
RS		 2374 }
2375
2376 return 0;
2377}
2378
2379
2380
2381
2382/*
2383 * Async unlink()
2384 */
f3a75078 2385static void nfs_unlink_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2386{
2387 REMOVE3res *res;
2388 struct nfs_cb_data *data = private_data;
2389 struct nfs_context *nfs = data->nfs;
2390 char *str = data->continue_data;
4b1ae88a 2391
f3a75078
RS		 2392 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2393
84004dbf
RS		 2394 str = &str[strlen(str) + 1];
2395
2396 if (status == RPC_STATUS_ERROR) {
2397 data->cb(-EFAULT, nfs, command_data, data->private_data);
2398 free_nfs_cb_data(data);
2399 return;
2400 }
2401 if (status == RPC_STATUS_CANCEL) {
2402 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2403 free_nfs_cb_data(data);
2404 return;
2405 }
2406
2407 res = command_data;
2408 if (res->status != NFS3_OK) {
2409 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));
2410 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2411 free_nfs_cb_data(data);
2412 return;
2413 }
2414
2415 data->cb(0, nfs, NULL, data->private_data);
2416 free_nfs_cb_data(data);
2417}
2418
2419static int nfs_unlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2420{
2421 char *str = data->continue_data;
a0a5aa26
RS		 2422 struct REMOVE3args args;
2423
84004dbf
RS		 2424 str = &str[strlen(str) + 1];
2425
a0a5aa26
RS		 2426 args.object.dir = data->fh;
2427 args.object.name = str;
2428 if (rpc_nfs3_remove_async(nfs->rpc, nfs_unlink_cb, &args, data) != 0) {
84004dbf
RS		 2429 rpc_set_error(nfs->rpc, "RPC error: Failed to send REMOVE call for %s", data->path);
2430 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2431 free_nfs_cb_data(data);
2432 return -1;
2433 }
2434 return 0;
2435}
2436
2437int nfs_unlink_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
2438{
2439 char *new_path;
2440 char *ptr;
2441
2442 new_path = strdup(path);
2443 if (new_path == NULL) {
cbbf9d3e 2444 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 2445 return -1;
2446 }
2447
93e9306f 2448 ptr = strrchr(new_path, '/');
84004dbf 2449 if (ptr == NULL) {
cbbf9d3e
RS		 2450 rpc_set_error(nfs->rpc, "Invalid path %s", path);
2451 return -1;
84004dbf
RS		 2452 }
2453 *ptr = 0;
2454
2455 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2456 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_unlink_continue_internal, new_path, free, 0) != 0) {
cbbf9d3e
RS		 2457 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2458 return -1;
84004dbf
RS		 2459 }
2460
2461 return 0;
2462}
2463
2464
1ec6b50a
RS		 2465/*
2466 * Async mknod()
2467 */
2468struct mknod_cb_data {
2469 char *path;
2470 int mode;
2471 int major;
2472 int minor;
2473};
2474
2475static void free_mknod_cb_data(void *ptr)
2476{
2477 struct mknod_cb_data *data = ptr;
2478
2479 free(data->path);
2480 free(data);
2481}
2482
f3a75078 2483static void nfs_mknod_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
1ec6b50a
RS		 2484{
2485 MKNOD3res *res;
2486 struct nfs_cb_data *data = private_data;
2487 struct nfs_context *nfs = data->nfs;
2488 char *str = data->continue_data;
4b1ae88a 2489
f3a75078
RS		 2490 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2491
1ec6b50a
RS		 2492 str = &str[strlen(str) + 1];
2493
2494 if (status == RPC_STATUS_ERROR) {
2495 data->cb(-EFAULT, nfs, command_data, data->private_data);
2496 free_nfs_cb_data(data);
2497 return;
2498 }
2499 if (status == RPC_STATUS_CANCEL) {
2500 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2501 free_nfs_cb_data(data);
2502 return;
2503 }
2504
2505 res = command_data;
2506 if (res->status != NFS3_OK) {
2507 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));
2508 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2509 free_nfs_cb_data(data);
2510 return;
2511 }
2512
2513 data->cb(0, nfs, NULL, data->private_data);
2514 free_nfs_cb_data(data);
2515}
2516
2517static int nfs_mknod_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2518{
2519 struct mknod_cb_data *cb_data = data->continue_data;
2520 char *str = cb_data->path;
b17cb0a2 2521 MKNOD3args args;
4b1ae88a 2522
1ec6b50a
RS		 2523 str = &str[strlen(str) + 1];
2524
b17cb0a2
RS		 2525 args.where.dir = data->fh;
2526 args.where.name = str;
2527 switch (cb_data->mode & S_IFMT) {
2528 case S_IFCHR:
2529 args.what.type = NF3CHR;
2530 args.what.mknoddata3_u.chr_device.dev_attributes.mode.set_it = 1;
2531 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);
2532 args.what.mknoddata3_u.chr_device.spec.specdata1 = cb_data->major;
2533 args.what.mknoddata3_u.chr_device.spec.specdata2 = cb_data->minor;
2534 break;
2535 case S_IFBLK:
2536 args.what.type = NF3BLK;
2537 args.what.mknoddata3_u.blk_device.dev_attributes.mode.set_it = 1;
2538 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);
2539 args.what.mknoddata3_u.blk_device.spec.specdata1 = cb_data->major;
2540 args.what.mknoddata3_u.blk_device.spec.specdata2 = cb_data->minor;
2541 case S_IFSOCK:
2542 args.what.type = NF3SOCK;
2543 args.what.mknoddata3_u.sock_attributes.mode.set_it = 1;
2544 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);
2545 break;
2546 case S_IFIFO:
2547 args.what.type = NF3FIFO;
2548 args.what.mknoddata3_u.pipe_attributes.mode.set_it = 1;
2549 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);
2550 break;
2551 default:
2552 rpc_set_error(nfs->rpc, "Invalid file type for NFS3/MKNOD call");
2553 data->cb(-EINVAL, nfs, rpc_get_error(nfs->rpc), data->private_data);
2554 free_nfs_cb_data(data);
2555 return -1;
2556 }
2557
2558 if (rpc_nfs3_mknod_async(nfs->rpc, nfs_mknod_cb, &args, data) != 0) {
1ec6b50a
RS		 2559 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2560 free_nfs_cb_data(data);
2561 return -1;
2562 }
2563 return 0;
2564}
2565
2566int nfs_mknod_async(struct nfs_context *nfs, const char *path, int mode, int dev, nfs_cb cb, void *private_data)
2567{
2568 char *ptr;
2569 struct mknod_cb_data *cb_data;
2570
2571 cb_data = malloc(sizeof(struct mknod_cb_data));
2572 if (cb_data == NULL) {
2573 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for cb data");
2574 return -1;
2575 }
2576
2577 cb_data->path = strdup(path);
2578 if (cb_data->path == NULL) {
2579 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
4b1ae88a 2580 free(cb_data);
1ec6b50a
RS		 2581 return -1;
2582 }
2583
2584 ptr = strrchr(cb_data->path, '/');
2585 if (ptr == NULL) {
2586 rpc_set_error(nfs->rpc, "Invalid path %s", path);
feb2fc2f 2587 free_mknod_cb_data(cb_data);
1ec6b50a
RS		 2588 return -1;
2589 }
2590 *ptr = 0;
2591
2592 cb_data->mode = mode;
2593 cb_data->major = major(dev);
2594 cb_data->minor = minor(dev);
2595
2596 /* data->path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2597 if (nfs_lookuppath_async(nfs, cb_data->path, cb, private_data, nfs_mknod_continue_internal, cb_data, free_mknod_cb_data, 0) != 0) {
2598 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
1ec6b50a
RS		 2599 return -1;
2600 }
2601
2602 return 0;
2603}
84004dbf 2604
84004dbf
RS		 2605/*
2606 * Async opendir()
2607 */
fb69c64c
RS		 2608
2609/* ReadDirPlus Emulation Callback data */
2610struct rdpe_cb_data {
2611 int getattrcount;
2612 int status;
2613 struct nfs_cb_data *data;
2614};
2615
2616/* ReadDirPlus Emulation LOOKUP Callback data */
2617struct rdpe_lookup_cb_data {
2618 struct rdpe_cb_data *rdpe_cb_data;
2619 struct nfsdirent *nfsdirent;
2620};
2621
2622/* Workaround for servers lacking READDIRPLUS, use READDIR instead and a GETATTR-loop */
f3a75078 2623static void nfs_opendir3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf 2624{
fb69c64c
RS		 2625 LOOKUP3res *res = command_data;
2626 struct rdpe_lookup_cb_data *rdpe_lookup_cb_data = private_data;
2627 struct rdpe_cb_data *rdpe_cb_data = rdpe_lookup_cb_data->rdpe_cb_data;
2628 struct nfs_cb_data *data = rdpe_cb_data->data;
2629 struct nfsdir *nfsdir = data->continue_data;
2630 struct nfs_context *nfs = data->nfs;
2631 struct nfsdirent *nfsdirent = rdpe_lookup_cb_data->nfsdirent;
2632
f3a75078
RS		 2633 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2634
fb69c64c
RS		 2635 free(rdpe_lookup_cb_data);
2636
2637 rdpe_cb_data->getattrcount--;
2638
2639 if (status == RPC_STATUS_ERROR) {
2640 rdpe_cb_data->status = RPC_STATUS_ERROR;
2641 }
2642 if (status == RPC_STATUS_CANCEL) {
2643 rdpe_cb_data->status = RPC_STATUS_CANCEL;
2644 }
2645 if (status == RPC_STATUS_SUCCESS && res->status != NFS3_OK) {
2646 rdpe_cb_data->status = RPC_STATUS_ERROR;
2647 }
2648 if (status == RPC_STATUS_SUCCESS && res->status == NFS3_OK) {
2649 if (res->LOOKUP3res_u.resok.obj_attributes.attributes_follow) {
2650 fattr3 *attributes = &res->LOOKUP3res_u.resok.obj_attributes.post_op_attr_u.attributes;
2651
2652 nfsdirent->type = attributes->type;
2653 nfsdirent->mode = attributes->mode;
2654 nfsdirent->size = attributes->size;
2655
2656 nfsdirent->atime.tv_sec = attributes->atime.seconds;
2657 nfsdirent->atime.tv_usec = attributes->atime.nseconds/1000;
2658 nfsdirent->mtime.tv_sec = attributes->mtime.seconds;
2659 nfsdirent->mtime.tv_usec = attributes->mtime.nseconds/1000;
2660 nfsdirent->ctime.tv_sec = attributes->ctime.seconds;
2661 nfsdirent->ctime.tv_usec = attributes->ctime.nseconds/1000;
7bda8bad
RS		 2662 nfsdirent->uid = attributes->uid;
2663 nfsdirent->gid = attributes->gid;
fb69c64c
RS		 2664 }
2665 }
2666
2667 if (rdpe_cb_data->getattrcount == 0) {
2668 if (rdpe_cb_data->status != RPC_STATUS_SUCCESS) {
2669 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2670 nfs_free_nfsdir(nfsdir);
2671 } else {
2672 data->cb(0, nfs, nfsdir, data->private_data);
2673 }
2674 free(rdpe_cb_data);
2675
2676 data->continue_data = NULL;
2677 free_nfs_cb_data(data);
2678 }
2679}
2680
f3a75078 2681static void nfs_opendir2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
fb69c64c
RS		 2682{
2683 READDIR3res *res = command_data;
84004dbf
RS		 2684 struct nfs_cb_data *data = private_data;
2685 struct nfs_context *nfs = data->nfs;
fb6510bb 2686 struct nfsdir *nfsdir = data->continue_data;
fb69c64c
RS		 2687 struct nfsdirent *nfsdirent;
2688 struct entry3 *entry;
ecbd14a1 2689 uint64_t cookie = 0;
fb69c64c 2690 struct rdpe_cb_data *rdpe_cb_data;
4b1ae88a 2691
f3a75078
RS		 2692 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2693
84004dbf
RS		 2694 if (status == RPC_STATUS_ERROR) {
2695 data->cb(-EFAULT, nfs, command_data, data->private_data);
2696 nfs_free_nfsdir(nfsdir);
2697 data->continue_data = NULL;
2698 free_nfs_cb_data(data);
2699 return;
2700 }
fb69c64c 2701
84004dbf
RS		 2702 if (status == RPC_STATUS_CANCEL) {
2703 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2704 nfs_free_nfsdir(nfsdir);
2705 data->continue_data = NULL;
2706 free_nfs_cb_data(data);
2707 return;
2708 }
2709
84004dbf
RS		 2710 if (res->status != NFS3_OK) {
2711 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));
2712 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2713 nfs_free_nfsdir(nfsdir);
2714 data->continue_data = NULL;
2715 free_nfs_cb_data(data);
2716 return;
fb69c64c
RS		 2717 }
2718
2719 entry =res->READDIR3res_u.resok.reply.entries;
2720 while (entry != NULL) {
2721 nfsdirent = malloc(sizeof(struct nfsdirent));
2722 if (nfsdirent == NULL) {
2723 data->cb(-ENOMEM, nfs, "Failed to allocate dirent", data->private_data);
2724 nfs_free_nfsdir(nfsdir);
2725 data->continue_data = NULL;
2726 free_nfs_cb_data(data);
2727 return;
2728 }
2729 memset(nfsdirent, 0, sizeof(struct nfsdirent));
2730 nfsdirent->name = strdup(entry->name);
2731 if (nfsdirent->name == NULL) {
2732 data->cb(-ENOMEM, nfs, "Failed to allocate dirent->name", data->private_data);
a26bebef 2733 free(nfsdirent);
fb69c64c
RS		 2734 nfs_free_nfsdir(nfsdir);
2735 data->continue_data = NULL;
2736 free_nfs_cb_data(data);
2737 return;
2738 }
2739 nfsdirent->inode = entry->fileid;
2740
2741 nfsdirent->next = nfsdir->entries;
2742 nfsdir->entries = nfsdirent;
2743
2744 cookie = entry->cookie;
2745 entry = entry->nextentry;
2746 }
2747
2748 if (res->READDIR3res_u.resok.reply.eof == 0) {
a64a16a2
RS		 2749 READDIR3args args;
2750
2751 args.dir = data->fh;
2752 args.cookie = cookie;
2452c57f 2753 memcpy(&args.cookieverf, res->READDIR3res_u.resok.cookieverf, sizeof(cookieverf3));
a64a16a2
RS		 2754 args.count = 8192;
2755
2756 if (rpc_nfs3_readdir_async(nfs->rpc, nfs_opendir2_cb, &args, data) != 0) {
fb69c64c
RS		 2757 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR call for %s", data->path);
2758 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2759 nfs_free_nfsdir(nfsdir);
2760 data->continue_data = NULL;
2761 free_nfs_cb_data(data);
2762 return;
2763 }
2764 return;
2765 }
2766
2767 /* steal the dirhandle */
2768 nfsdir->current = nfsdir->entries;
2769
2770 rdpe_cb_data = malloc(sizeof(struct rdpe_cb_data));
2771 rdpe_cb_data->getattrcount = 0;
2772 rdpe_cb_data->status = RPC_STATUS_SUCCESS;
2773 rdpe_cb_data->data = data;
2774 for (nfsdirent = nfsdir->entries; nfsdirent; nfsdirent = nfsdirent->next) {
2775 struct rdpe_lookup_cb_data *rdpe_lookup_cb_data;
463d59bf 2776 LOOKUP3args args;
fb69c64c
RS		 2777
2778 rdpe_lookup_cb_data = malloc(sizeof(struct rdpe_lookup_cb_data));
2779 rdpe_lookup_cb_data->rdpe_cb_data = rdpe_cb_data;
2780 rdpe_lookup_cb_data->nfsdirent = nfsdirent;
2781
463d59bf 2782 memset(&args, 0, sizeof(LOOKUP3args));
2452c57f
RS		 2783 args.what.dir = data->fh;
2784 args.what.name = nfsdirent->name;
463d59bf
RS		 2785
2786 if (rpc_nfs3_lookup_async(nfs->rpc, nfs_opendir3_cb, &args, rdpe_lookup_cb_data) != 0) {
fb69c64c
RS		 2787 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR LOOKUP call");
2788
2789 /* if we have already commands in flight, we cant just stop, we have to wait for the
2790 * commands in flight to complete
2791 */
2792 if (rdpe_cb_data->getattrcount > 0) {
a26bebef
AR		 2793 nfs_free_nfsdir(nfsdir);
2794 data->continue_data = NULL;
2795 free_nfs_cb_data(data);
fb69c64c
RS		 2796 rdpe_cb_data->status = RPC_STATUS_ERROR;
2797 free(rdpe_lookup_cb_data);
2798 return;
2799 }
2800
2801 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2802 nfs_free_nfsdir(nfsdir);
2803 data->continue_data = NULL;
2804 free_nfs_cb_data(data);
2805 free(rdpe_lookup_cb_data);
2806 free(rdpe_cb_data);
2807 return;
2808 }
2809 rdpe_cb_data->getattrcount++;
2810 }
2811}
2812
f3a75078 2813static void nfs_opendir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
fb69c64c
RS		 2814{
2815 READDIRPLUS3res *res = command_data;
2816 struct nfs_cb_data *data = private_data;
2817 struct nfs_context *nfs = data->nfs;
2818 struct nfsdir *nfsdir = data->continue_data;
2819 struct entryplus3 *entry;
ecbd14a1 2820 uint64_t cookie = 0;
4b1ae88a 2821
f3a75078 2822 assert(rpc->magic == RPC_CONTEXT_MAGIC);
fb69c64c
RS		 2823
2824 if (status == RPC_STATUS_ERROR || (status == RPC_STATUS_SUCCESS && res->status == NFS3ERR_NOTSUPP) ){
a64a16a2
RS		 2825 READDIR3args args;
2826
2827 args.dir = data->fh;
2828 args.cookie = cookie;
2452c57f 2829 memset(&args.cookieverf, 0, sizeof(cookieverf3));
a64a16a2 2830 args.count = 8192;
fb69c64c 2831
a64a16a2 2832 if (rpc_nfs3_readdir_async(nfs->rpc, nfs_opendir2_cb, &args, data) != 0) {
fb69c64c
RS		 2833 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR call for %s", data->path);
2834 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2835 nfs_free_nfsdir(nfsdir);
2836 data->continue_data = NULL;
2837 free_nfs_cb_data(data);
2838 return;
2839 }
2840 return;
2841 }
2842
2843 if (status == RPC_STATUS_CANCEL) {
2844 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2845 nfs_free_nfsdir(nfsdir);
2846 data->continue_data = NULL;
2847 free_nfs_cb_data(data);
2848 return;
2849 }
2850
2851 if (res->status != NFS3_OK) {
2852 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));
2853 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2854 nfs_free_nfsdir(nfsdir);
2855 data->continue_data = NULL;
2856 free_nfs_cb_data(data);
2857 return;
84004dbf
RS		 2858 }
2859
f390f181 2860 entry =res->READDIRPLUS3res_u.resok.reply.entries;
84004dbf
RS		 2861 while (entry != NULL) {
2862 struct nfsdirent *nfsdirent;
2863
2864 nfsdirent = malloc(sizeof(struct nfsdirent));
2865 if (nfsdirent == NULL) {
2866 data->cb(-ENOMEM, nfs, "Failed to allocate dirent", data->private_data);
2867 nfs_free_nfsdir(nfsdir);
2868 data->continue_data = NULL;
2869 free_nfs_cb_data(data);
2870 return;
2871 }
ea98629a 2872 memset(nfsdirent, 0, sizeof(struct nfsdirent));
84004dbf
RS		 2873 nfsdirent->name = strdup(entry->name);
2874 if (nfsdirent->name == NULL) {
2875 data->cb(-ENOMEM, nfs, "Failed to allocate dirent->name", data->private_data);
b2fc5c54 2876 free(nfsdirent);
84004dbf
RS		 2877 nfs_free_nfsdir(nfsdir);
2878 data->continue_data = NULL;
2879 free_nfs_cb_data(data);
2880 return;
2881 }
2882 nfsdirent->inode = entry->fileid;
0804e67d
RS		 2883 if (entry->name_attributes.attributes_follow) {
2884 nfsdirent->type = entry->name_attributes.post_op_attr_u.attributes.type;
2885 nfsdirent->mode = entry->name_attributes.post_op_attr_u.attributes.mode;
2886 nfsdirent->size = entry->name_attributes.post_op_attr_u.attributes.size;
2887
2888 nfsdirent->atime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.atime.seconds;
2889 nfsdirent->atime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.atime.nseconds/1000;
2890 nfsdirent->mtime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.mtime.seconds;
2891 nfsdirent->mtime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.mtime.nseconds/1000;
2892 nfsdirent->ctime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.ctime.seconds;
2893 nfsdirent->ctime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.ctime.nseconds/1000;
7bda8bad
RS		 2894 nfsdirent->uid = entry->name_attributes.post_op_attr_u.attributes.uid;
2895 nfsdirent->gid = entry->name_attributes.post_op_attr_u.attributes.gid;
0804e67d
RS		 2896 }
2897
84004dbf
RS		 2898 nfsdirent->next = nfsdir->entries;
2899 nfsdir->entries = nfsdirent;
2900
2901 cookie = entry->cookie;
2902 entry = entry->nextentry;
2903 }
2904
f390f181 2905 if (res->READDIRPLUS3res_u.resok.reply.eof == 0) {
1a5b83c9
RS		 2906 READDIRPLUS3args args;
2907
2908 args.dir = data->fh;
2909 args.cookie = cookie;
2910 memcpy(&args.cookieverf, res->READDIRPLUS3res_u.resok.cookieverf, sizeof(cookieverf3));
2911 args.dircount = 8192;
2912 args.maxcount = 8192;
2913
2914 if (rpc_nfs3_readdirplus_async(nfs->rpc, nfs_opendir_cb, &args, data) != 0) {
f390f181 2915 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIRPLUS call for %s", data->path);
84004dbf
RS		 2916 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2917 nfs_free_nfsdir(nfsdir);
2918 data->continue_data = NULL;
2919 free_nfs_cb_data(data);
2920 return;
2921 }
2922 return;
2923 }
2924
2925 /* steal the dirhandle */
2926 data->continue_data = NULL;
2927 nfsdir->current = nfsdir->entries;
2928
2929 data->cb(0, nfs, nfsdir, data->private_data);
2930 free_nfs_cb_data(data);
2931}
2932
2933static int nfs_opendir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2934{
1a5b83c9 2935 READDIRPLUS3args args;
84004dbf 2936
1a5b83c9
RS		 2937 args.dir = data->fh;
2938 args.cookie = 0;
2939 memset(&args.cookieverf, 0, sizeof(cookieverf3));
2940 args.dircount = 8192;
2941 args.maxcount = 8192;
2942 if (rpc_nfs3_readdirplus_async(nfs->rpc, nfs_opendir_cb, &args, data) != 0) {
f390f181 2943 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIRPLUS call for %s", data->path);
84004dbf
RS		 2944 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2945 free_nfs_cb_data(data);
2946 return -1;
2947 }
2948 return 0;
2949}
2950
2951int nfs_opendir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
2952{
2953 struct nfsdir *nfsdir;
2954
2955 nfsdir = malloc(sizeof(struct nfsdir));
2956 if (nfsdir == NULL) {
cbbf9d3e 2957 rpc_set_error(nfs->rpc, "failed to allocate buffer for nfsdir");
84004dbf
RS		 2958 return -1;
2959 }
ea98629a 2960 memset(nfsdir, 0, sizeof(struct nfsdir));
84004dbf
RS		 2961
2962 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_opendir_continue_internal, nfsdir, free, 0) != 0) {
cbbf9d3e
RS		 2963 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2964 return -1;
84004dbf
RS		 2965 }
2966
2967 return 0;
2968}
2969
2970
2971struct nfsdirent *nfs_readdir(struct nfs_context *nfs _U_, struct nfsdir *nfsdir)
2972{
2973 struct nfsdirent *nfsdirent = nfsdir->current;
2974
2975 if (nfsdir->current != NULL) {
2976 nfsdir->current = nfsdir->current->next;
2977 }
2978 return nfsdirent;
2979}
2980
2981
f893b680
RS		 2982/*
2983 * closedir()
2984 */
84004dbf
RS		 2985void nfs_closedir(struct nfs_context *nfs _U_, struct nfsdir *nfsdir)
2986{
2987 nfs_free_nfsdir(nfsdir);
2988}
2989
2990
f893b680
RS		 2991/*
2992 * getcwd()
2993 */
2994void nfs_getcwd(struct nfs_context *nfs, const char **cwd)
2995{
2996 if (cwd) {
2997 *cwd = nfs->cwd;
2998 }
2999}
84004dbf
RS		 3000
3001
3002/*
3003 * Async lseek()
3004 */
3005struct lseek_cb_data {
3006 struct nfs_context *nfs;
3007 struct nfsfh *nfsfh;
183451cf 3008 uint64_t offset;
84004dbf
RS		 3009 nfs_cb cb;
3010 void *private_data;
3011};
3012
f3a75078 3013static void nfs_lseek_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3014{
3015 GETATTR3res *res;
3016 struct lseek_cb_data *data = private_data;
3017 struct nfs_context *nfs = data->nfs;
3018
f3a75078
RS		 3019 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3020
84004dbf
RS		 3021 if (status == RPC_STATUS_ERROR) {
3022 data->cb(-EFAULT, nfs, command_data, data->private_data);
3023 free(data);
3024 return;
3025 }
3026 if (status == RPC_STATUS_CANCEL) {
3027 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3028 free(data);
3029 return;
3030 }
3031
3032 res = command_data;
3033 if (res->status != NFS3_OK) {
3034 rpc_set_error(nfs->rpc, "NFS: GETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
3035 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3036 free(data);
3037 return;
3038 }
3039
3040 data->nfsfh->offset = data->offset + res->GETATTR3res_u.resok.obj_attributes.size;
3041 data->cb(0, nfs, &data->nfsfh->offset, data->private_data);
3042 free(data);
3043}
3044
183451cf 3045int nfs_lseek_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t offset, int whence, nfs_cb cb, void *private_data)
84004dbf
RS		 3046{
3047 struct lseek_cb_data *data;
463d59bf 3048 struct GETATTR3args args;
84004dbf
RS		 3049
3050 if (whence == SEEK_SET) {
3051 nfsfh->offset = offset;
3052 cb(0, nfs, &nfsfh->offset, private_data);
3053 return 0;
3054 }
3055 if (whence == SEEK_CUR) {
3056 nfsfh->offset += offset;
3057 cb(0, nfs, &nfsfh->offset, private_data);
3058 return 0;
3059 }
3060
3061 data = malloc(sizeof(struct lseek_cb_data));
3062 if (data == NULL) {
3063 rpc_set_error(nfs->rpc, "Out Of Memory: Failed to malloc lseek cb data");
3064 return -1;
3065 }
3066
3067 data->nfs = nfs;
3068 data->nfsfh = nfsfh;
3069 data->offset = offset;
3070 data->cb = cb;
3071 data->private_data = private_data;
3072
463d59bf 3073 memset(&args, 0, sizeof(GETATTR3args));
2452c57f 3074 args.object = nfsfh->fh;
463d59bf
RS		 3075
3076 if (rpc_nfs3_getattr_async(nfs->rpc, nfs_lseek_1_cb, &args, data) != 0) {
84004dbf
RS		 3077 rpc_set_error(nfs->rpc, "RPC error: Failed to send LSEEK GETATTR call");
3078 free(data);
cbbf9d3e 3079 return -1;
84004dbf
RS		 3080 }
3081 return 0;
3082}
3083
3084
3085
3086
3087/*
3088 * Async statvfs()
3089 */
f3a75078 3090static void nfs_statvfs_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3091{
3092 FSSTAT3res *res;
3093 struct nfs_cb_data *data = private_data;
3094 struct nfs_context *nfs = data->nfs;
3095 struct statvfs svfs;
3096
f3a75078
RS		 3097 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3098
84004dbf
RS		 3099 if (status == RPC_STATUS_ERROR) {
3100 data->cb(-EFAULT, nfs, command_data, data->private_data);
3101 free_nfs_cb_data(data);
3102 return;
3103 }
3104 if (status == RPC_STATUS_CANCEL) {
3105 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3106 free_nfs_cb_data(data);
3107 return;
3108 }
3109
3110 res = command_data;
3111 if (res->status != NFS3_OK) {
3112 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));
3113 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3114 free_nfs_cb_data(data);
3115 return;
3116 }
3117
3118 svfs.f_bsize = 4096;
3119 svfs.f_frsize = 4096;
3120 svfs.f_blocks = res->FSSTAT3res_u.resok.tbytes/4096;
3121 svfs.f_bfree = res->FSSTAT3res_u.resok.fbytes/4096;
3122 svfs.f_bavail = res->FSSTAT3res_u.resok.abytes/4096;
3123 svfs.f_files = res->FSSTAT3res_u.resok.tfiles;
3124 svfs.f_ffree = res->FSSTAT3res_u.resok.ffiles;
252aa90d 3125#if !defined(ANDROID)
84004dbf
RS		 3126 svfs.f_favail = res->FSSTAT3res_u.resok.afiles;
3127 svfs.f_fsid = 0;
3128 svfs.f_flag = 0;
3129 svfs.f_namemax = 256;
252aa90d 3130#endif
84004dbf
RS		 3131
3132 data->cb(0, nfs, &svfs, data->private_data);
3133 free_nfs_cb_data(data);
3134}
3135
3136static int nfs_statvfs_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3137{
0249c17b
RS		 3138 FSSTAT3args args;
3139
3140 args.fsroot = data->fh;
3141 if (rpc_nfs3_fsstat_async(nfs->rpc, nfs_statvfs_1_cb, &args, data) != 0) {
84004dbf
RS		 3142 rpc_set_error(nfs->rpc, "RPC error: Failed to send FSSTAT call for %s", data->path);
3143 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3144 free_nfs_cb_data(data);
3145 return -1;
3146 }
3147 return 0;
3148}
3149
3150int nfs_statvfs_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
3151{
3152 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_statvfs_continue_internal, NULL, NULL, 0) != 0) {
cbbf9d3e 3153 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3154 return -1;
3155 }
3156
3157 return 0;
3158}
3159
3160
3161
3162
3163/*
3164 * Async readlink()
3165 */
f3a75078 3166static void nfs_readlink_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3167{
3168 READLINK3res *res;
3169 struct nfs_cb_data *data = private_data;
3170 struct nfs_context *nfs = data->nfs;
3171
f3a75078
RS		 3172 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3173
84004dbf
RS		 3174 if (status == RPC_STATUS_ERROR) {
3175 data->cb(-EFAULT, nfs, command_data, data->private_data);
3176 free_nfs_cb_data(data);
3177 return;
3178 }
3179 if (status == RPC_STATUS_CANCEL) {
3180 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3181 free_nfs_cb_data(data);
3182 return;
3183 }
3184
3185 res = command_data;
3186 if (res->status != NFS3_OK) {
3187 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));
3188 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3189 free_nfs_cb_data(data);
3190 return;
3191 }
3192
4b1ae88a 3193
84004dbf
RS		 3194 data->cb(0, nfs, res->READLINK3res_u.resok.data, data->private_data);
3195 free_nfs_cb_data(data);
3196}
3197
3198static int nfs_readlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3199{
16104b27
RS		 3200 READLINK3args args;
3201
2452c57f 3202 args.symlink = data->fh;
16104b27 3203
7cd23ccc 3204 if (rpc_nfs3_readlink_async(nfs->rpc, nfs_readlink_1_cb, &args, data) != 0) {
84004dbf
RS		 3205 rpc_set_error(nfs->rpc, "RPC error: Failed to send READLINK call for %s", data->path);
3206 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3207 free_nfs_cb_data(data);
3208 return -1;
3209 }
3210 return 0;
3211}
3212
3213int nfs_readlink_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
3214{
3215 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_readlink_continue_internal, NULL, NULL, 0) != 0) {
cbbf9d3e 3216 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3217 return -1;
3218 }
3219
3220 return 0;
3221}
3222
3223
3224
3225
3226/*
3227 * Async chmod()
3228 */
f3a75078 3229static void nfs_chmod_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3230{
3231 struct nfs_cb_data *data = private_data;
3232 struct nfs_context *nfs = data->nfs;
3233 SETATTR3res *res;
3234
f3a75078
RS		 3235 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3236
84004dbf
RS		 3237 if (status == RPC_STATUS_ERROR) {
3238 data->cb(-EFAULT, nfs, command_data, data->private_data);
3239 free_nfs_cb_data(data);
3240 return;
3241 }
3242 if (status == RPC_STATUS_CANCEL) {
3243 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3244 free_nfs_cb_data(data);
3245 return;
3246 }
3247
3248 res = command_data;
3249 if (res->status != NFS3_OK) {
3250 rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
3251 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3252 free_nfs_cb_data(data);
3253 return;
3254 }
3255
3256 data->cb(0, nfs, NULL, data->private_data);
3257 free_nfs_cb_data(data);
3258}
3259
3260static int nfs_chmod_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3261{
3262 SETATTR3args args;
3263
ea98629a 3264 memset(&args, 0, sizeof(SETATTR3args));
2452c57f 3265 args.object = data->fh;
84004dbf
RS		 3266 args.new_attributes.mode.set_it = 1;
3267 args.new_attributes.mode.set_mode3_u.mode = data->continue_int;
3268
b701254d 3269 if (rpc_nfs3_setattr_async(nfs->rpc, nfs_chmod_cb, &args, data) != 0) {
84004dbf
RS		 3270 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
3271 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3272 free_nfs_cb_data(data);
3273 return -1;
3274 }
3275 return 0;
3276}
3277
3278
3279int nfs_chmod_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data)
3280{
3281 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_chmod_continue_internal, NULL, NULL, mode) != 0) {
cbbf9d3e 3282 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3283 return -1;
3284 }
3285
3286 return 0;
3287}
3288
3289/*
3290 * Async fchmod()
3291 */
3292int nfs_fchmod_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int mode, nfs_cb cb, void *private_data)
3293{
3294 struct nfs_cb_data *data;
3295
3296 data = malloc(sizeof(struct nfs_cb_data));
3297 if (data == NULL) {
cbbf9d3e 3298 rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for nfs mount data");
84004dbf
RS		 3299 return -1;
3300 }
ea98629a 3301 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 3302 data->nfs = nfs;
3303 data->cb = cb;
3304 data->private_data = private_data;
3305 data->continue_int = mode;
3306 data->fh.data.data_len = nfsfh->fh.data.data_len;
3307 data->fh.data.data_val = malloc(data->fh.data.data_len);
3308 if (data->fh.data.data_val == NULL) {
3309 rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh");
3310 free_nfs_cb_data(data);
3311 return -1;
3312 }
3313 memcpy(data->fh.data.data_val, nfsfh->fh.data.data_val, data->fh.data.data_len);
3314
3315 if (nfs_chmod_continue_internal(nfs, data) != 0) {
84004dbf
RS		 3316 return -1;
3317 }
3318
3319 return 0;
3320}
3321
3322
3323
3324/*
3325 * Async chown()
3326 */
f3a75078 3327static void nfs_chown_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3328{
3329 struct nfs_cb_data *data = private_data;
3330 struct nfs_context *nfs = data->nfs;
3331 SETATTR3res *res;
3332
f3a75078
RS		 3333 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3334
84004dbf
RS		 3335 if (status == RPC_STATUS_ERROR) {
3336 data->cb(-EFAULT, nfs, command_data, data->private_data);
3337 free_nfs_cb_data(data);
3338 return;
3339 }
3340 if (status == RPC_STATUS_CANCEL) {
3341 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3342 free_nfs_cb_data(data);
3343 return;
3344 }
3345
3346 res = command_data;
3347 if (res->status != NFS3_OK) {
3348 rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
3349 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3350 free_nfs_cb_data(data);
3351 return;
3352 }
3353
3354 data->cb(0, nfs, NULL, data->private_data);
3355 free_nfs_cb_data(data);
3356}
3357
3358struct nfs_chown_data {
3359 uid_t uid;
3360 gid_t gid;
3361};
3362
3363static int nfs_chown_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3364{
3365 SETATTR3args args;
3366 struct nfs_chown_data *chown_data = data->continue_data;
3367
ea98629a 3368 memset(&args, 0, sizeof(SETATTR3args));
2452c57f 3369 args.object = data->fh;
84004dbf
RS		 3370 if (chown_data->uid != (uid_t)-1) {
3371 args.new_attributes.uid.set_it = 1;
3372 args.new_attributes.uid.set_uid3_u.uid = chown_data->uid;
3373 }
3374 if (chown_data->gid != (gid_t)-1) {
3375 args.new_attributes.gid.set_it = 1;
3376 args.new_attributes.gid.set_gid3_u.gid = chown_data->gid;
3377 }
3378
b701254d 3379 if (rpc_nfs3_setattr_async(nfs->rpc, nfs_chown_cb, &args, data) != 0) {
84004dbf
RS		 3380 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
3381 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3382 free_nfs_cb_data(data);
3383 return -1;
3384 }
3385 return 0;
3386}
3387
3388
3389int nfs_chown_async(struct nfs_context *nfs, const char *path, int uid, int gid, nfs_cb cb, void *private_data)
3390{
3391 struct nfs_chown_data *chown_data;
3392
3393 chown_data = malloc(sizeof(struct nfs_chown_data));
3394 if (chown_data == NULL) {
cbbf9d3e 3395 rpc_set_error(nfs->rpc, "Failed to allocate memory for chown data structure");
84004dbf
RS		 3396 return -1;
3397 }
3398
3399 chown_data->uid = uid;
3400 chown_data->gid = gid;
3401
3402 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_chown_continue_internal, chown_data, free, 0) != 0) {
cbbf9d3e 3403 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3404 return -1;
3405 }
3406
3407 return 0;
3408}
3409
3410
3411/*
3412 * Async fchown()
3413 */
3414int nfs_fchown_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int uid, int gid, nfs_cb cb, void *private_data)
3415{
3416 struct nfs_cb_data *data;
3417 struct nfs_chown_data *chown_data;
3418
3419 chown_data = malloc(sizeof(struct nfs_chown_data));
3420 if (chown_data == NULL) {
cbbf9d3e 3421 rpc_set_error(nfs->rpc, "Failed to allocate memory for chown data structure");
84004dbf
RS		 3422 return -1;
3423 }
3424
3425 chown_data->uid = uid;
3426 chown_data->gid = gid;
3427
84004dbf
RS		 3428 data = malloc(sizeof(struct nfs_cb_data));
3429 if (data == NULL) {
cbbf9d3e 3430 rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for fchown data");
b6619d88 3431 free(chown_data);
84004dbf
RS		 3432 return -1;
3433 }
ea98629a 3434 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 3435 data->nfs = nfs;
3436 data->cb = cb;
3437 data->private_data = private_data;
3438 data->continue_data = chown_data;
6b1f14ca 3439 data->free_continue_data = free;
84004dbf
RS		 3440 data->fh.data.data_len = nfsfh->fh.data.data_len;
3441 data->fh.data.data_val = malloc(data->fh.data.data_len);
3442 if (data->fh.data.data_val == NULL) {
3443 rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh");
3444 free_nfs_cb_data(data);
3445 return -1;
3446 }
3447 memcpy(data->fh.data.data_val, nfsfh->fh.data.data_val, data->fh.data.data_len);
3448
84004dbf 3449 if (nfs_chown_continue_internal(nfs, data) != 0) {
84004dbf
RS		 3450 return -1;
3451 }
3452
3453 return 0;
3454}
3455
3456
3457
3458
3459
3460/*
3461 * Async utimes()
3462 */
f3a75078 3463static void nfs_utimes_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3464{
3465 struct nfs_cb_data *data = private_data;
3466 struct nfs_context *nfs = data->nfs;
3467 SETATTR3res *res;
3468
f3a75078
RS		 3469 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3470
84004dbf
RS		 3471 if (status == RPC_STATUS_ERROR) {
3472 data->cb(-EFAULT, nfs, command_data, data->private_data);
3473 free_nfs_cb_data(data);
3474 return;
3475 }
3476 if (status == RPC_STATUS_CANCEL) {
3477 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3478 free_nfs_cb_data(data);
3479 return;
3480 }
3481
3482 res = command_data;
3483 if (res->status != NFS3_OK) {
3484 rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
3485 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3486 free_nfs_cb_data(data);
3487 return;
3488 }
3489
3490 data->cb(0, nfs, NULL, data->private_data);
3491 free_nfs_cb_data(data);
3492}
3493
3494static int nfs_utimes_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3495{
3496 SETATTR3args args;
3497 struct timeval *utimes_data = data->continue_data;
3498
ea98629a 3499 memset(&args, 0, sizeof(SETATTR3args));
2452c57f 3500 args.object = data->fh;
84004dbf
RS		 3501 if (utimes_data != NULL) {
3502 args.new_attributes.atime.set_it = SET_TO_CLIENT_TIME;
3503 args.new_attributes.atime.set_atime_u.atime.seconds = utimes_data[0].tv_sec;
3504 args.new_attributes.atime.set_atime_u.atime.nseconds = utimes_data[0].tv_usec * 1000;
3505 args.new_attributes.mtime.set_it = SET_TO_CLIENT_TIME;
3506 args.new_attributes.mtime.set_mtime_u.mtime.seconds = utimes_data[1].tv_sec;
3507 args.new_attributes.mtime.set_mtime_u.mtime.nseconds = utimes_data[1].tv_usec * 1000;
3508 } else {
3509 args.new_attributes.atime.set_it = SET_TO_SERVER_TIME;
3510 args.new_attributes.mtime.set_it = SET_TO_SERVER_TIME;
3511 }
3512
b701254d 3513 if (rpc_nfs3_setattr_async(nfs->rpc, nfs_utimes_cb, &args, data) != 0) {
84004dbf
RS		 3514 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
3515 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3516 free_nfs_cb_data(data);
3517 return -1;
3518 }
3519 return 0;
3520}
3521
3522
3523int nfs_utimes_async(struct nfs_context *nfs, const char *path, struct timeval *times, nfs_cb cb, void *private_data)
3524{
3525 struct timeval *new_times = NULL;
3526
3527 if (times != NULL) {
3528 new_times = malloc(sizeof(struct timeval)*2);
3529 if (new_times == NULL) {
cbbf9d3e 3530 rpc_set_error(nfs->rpc, "Failed to allocate memory for timeval structure");
84004dbf
RS		 3531 return -1;
3532 }
3533
3534 memcpy(new_times, times, sizeof(struct timeval)*2);
3535 }
3536
3537 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_utimes_continue_internal, new_times, free, 0) != 0) {
cbbf9d3e 3538 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3539 return -1;
3540 }
3541
3542 return 0;
3543}
3544
3545/*
3546 * Async utime()
3547 */
3548int nfs_utime_async(struct nfs_context *nfs, const char *path, struct utimbuf *times, nfs_cb cb, void *private_data)
3549{
3550 struct timeval *new_times = NULL;
3551
3552 if (times != NULL) {
3553 new_times = malloc(sizeof(struct timeval)*2);
3554 if (new_times == NULL) {
cbbf9d3e 3555 rpc_set_error(nfs->rpc, "Failed to allocate memory for timeval structure");
84004dbf
RS		 3556 return -1;
3557 }
3558
3559 new_times[0].tv_sec = times->actime;
3560 new_times[0].tv_usec = 0;
3561 new_times[1].tv_sec = times->modtime;
3562 new_times[1].tv_usec = 0;
3563 }
3564
3565 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_utimes_continue_internal, new_times, free, 0) != 0) {
cbbf9d3e 3566 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3567 return -1;
3568 }
3569
3570 return 0;
3571}
84004dbf
RS		 3572
3573
3574/*
3575 * Async access()
3576 */
f3a75078 3577static void nfs_access_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3578{
3579 ACCESS3res *res;
3580 struct nfs_cb_data *data = private_data;
3581 struct nfs_context *nfs = data->nfs;
3582 unsigned int nfsmode = 0;
3583
f3a75078
RS		 3584 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3585
84004dbf
RS		 3586 if (status == RPC_STATUS_ERROR) {
3587 data->cb(-EFAULT, nfs, command_data, data->private_data);
3588 free_nfs_cb_data(data);
3589 return;
3590 }
3591 if (status == RPC_STATUS_CANCEL) {
3592 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3593 free_nfs_cb_data(data);
3594 return;
3595 }
3596
3597 res = command_data;
3598 if (res->status != NFS3_OK) {
3599 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));
3600 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3601 free_nfs_cb_data(data);
3602 return;
3603 }
3604
3605 if (data->continue_int & R_OK) {
3606 nfsmode |= ACCESS3_READ;
3607 }
3608 if (data->continue_int & W_OK) {
3609 nfsmode |= ACCESS3_MODIFY;
3610 }
3611 if (data->continue_int & X_OK) {
3612 nfsmode |= ACCESS3_EXECUTE;
3613 }
3614
3615 if (res->ACCESS3res_u.resok.access != nfsmode) {
3616 rpc_set_error(nfs->rpc, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c",
3617 nfsmode&ACCESS3_READ?'r':'-',
3618 nfsmode&ACCESS3_MODIFY?'w':'-',
3619 nfsmode&ACCESS3_EXECUTE?'x':'-',
3620 res->ACCESS3res_u.resok.access&ACCESS3_READ?'r':'-',
3621 res->ACCESS3res_u.resok.access&ACCESS3_MODIFY?'w':'-',
3622 res->ACCESS3res_u.resok.access&ACCESS3_EXECUTE?'x':'-');
3623 data->cb(-EACCES, nfs, rpc_get_error(nfs->rpc), data->private_data);
3624 free_nfs_cb_data(data);
3625 return;
3626 }
3627
3628 data->cb(0, nfs, NULL, data->private_data);
3629 free_nfs_cb_data(data);
3630}
3631
3632static int nfs_access_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3633{
3634 int nfsmode = 0;
463d59bf 3635 ACCESS3args args;
84004dbf
RS		 3636
3637 if (data->continue_int & R_OK) {
3638 nfsmode |= ACCESS3_READ;
3639 }
3640 if (data->continue_int & W_OK) {
3641 nfsmode |= ACCESS3_MODIFY;
3642 }
3643 if (data->continue_int & X_OK) {
3644 nfsmode |= ACCESS3_EXECUTE;
3645 }
3646
463d59bf 3647 memset(&args, 0, sizeof(ACCESS3args));
2452c57f 3648 args.object = data->fh;
463d59bf
RS		 3649 args.access = nfsmode;
3650
3651 if (rpc_nfs3_access_async(nfs->rpc, nfs_access_cb, &args, data) != 0) {
84004dbf
RS		 3652 rpc_set_error(nfs->rpc, "RPC error: Failed to send OPEN ACCESS call for %s", data->path);
3653 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3654 free_nfs_cb_data(data);
3655 return -1;
3656 }
3657 return 0;
3658}
3659
3660int nfs_access_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data)
3661{
3662 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_access_continue_internal, NULL, NULL, mode) != 0) {
cbbf9d3e
RS		 3663 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
3664 return -1;
84004dbf
RS		 3665 }
3666
3667 return 0;
3668}
3669
3670
3671
3672/*
3673 * Async symlink()
3674 */
3675struct nfs_symlink_data {
3676 char *oldpath;
3677 char *newpathparent;
3678 char *newpathobject;
3679};
3680
3681static void free_nfs_symlink_data(void *mem)
3682{
3683 struct nfs_symlink_data *data = mem;
3684
3685 if (data->oldpath != NULL) {
3686 free(data->oldpath);
3687 }
3688 if (data->newpathparent != NULL) {
3689 free(data->newpathparent);
3690 }
3691 if (data->newpathobject != NULL) {
3692 free(data->newpathobject);
3693 }
3694 free(data);
3695}
3696
f3a75078 3697static void nfs_symlink_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3698{
3699 SYMLINK3res *res;
3700 struct nfs_cb_data *data = private_data;
3701 struct nfs_context *nfs = data->nfs;
3702 struct nfs_symlink_data *symlink_data = data->continue_data;
4b1ae88a 3703
f3a75078
RS		 3704 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3705
84004dbf
RS		 3706 if (status == RPC_STATUS_ERROR) {
3707 data->cb(-EFAULT, nfs, command_data, data->private_data);
3708 free_nfs_cb_data(data);
3709 return;
3710 }
3711 if (status == RPC_STATUS_CANCEL) {
3712 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3713 free_nfs_cb_data(data);
3714 return;
3715 }
3716
3717 res = command_data;
3718 if (res->status != NFS3_OK) {
3719 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));
3720 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3721 free_nfs_cb_data(data);
3722 return;
3723 }
3724
3725 data->cb(0, nfs, NULL, data->private_data);
3726 free_nfs_cb_data(data);
3727}
3728
3729static int nfs_symlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3730{
3731 struct nfs_symlink_data *symlink_data = data->continue_data;
87f81c85 3732 SYMLINK3args args;
84004dbf 3733
87f81c85 3734 memset(&args, 0, sizeof(SYMLINK3args));
2452c57f 3735 args.where.dir = data->fh;
87f81c85
RS		 3736 args.where.name = symlink_data->newpathobject;
3737 args.symlink.symlink_attributes.mode.set_it = 1;
3738 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;
3739 args.symlink.symlink_data = symlink_data->oldpath;
8e255816 3740
87f81c85 3741 if (rpc_nfs3_symlink_async(nfs->rpc, nfs_symlink_cb, &args, data) != 0) {
84004dbf
RS		 3742 rpc_set_error(nfs->rpc, "RPC error: Failed to send SYMLINK call for %s", data->path);
3743 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3744 free_nfs_cb_data(data);
3745 return -1;
3746 }
3747 return 0;
3748}
3749
3750int nfs_symlink_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data)
3751{
3752 char *ptr;
3753 struct nfs_symlink_data *symlink_data;
3754
3755 symlink_data = malloc(sizeof(struct nfs_symlink_data));
3756 if (symlink_data == NULL) {
cbbf9d3e 3757 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for symlink data");
84004dbf
RS		 3758 return -1;
3759 }
ea98629a 3760 memset(symlink_data, 0, sizeof(struct nfs_symlink_data));
84004dbf
RS		 3761
3762 symlink_data->oldpath = strdup(oldpath);
3763 if (symlink_data->oldpath == NULL) {
cbbf9d3e 3764 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath");
84004dbf 3765 free_nfs_symlink_data(symlink_data);
cbbf9d3e 3766 return -1;
84004dbf
RS		 3767 }
3768
3769 symlink_data->newpathparent = strdup(newpath);
3770 if (symlink_data->newpathparent == NULL) {
cbbf9d3e 3771 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for new path");
84004dbf 3772 free_nfs_symlink_data(symlink_data);
cbbf9d3e 3773 return -1;
84004dbf
RS		 3774 }
3775
93e9306f 3776 ptr = strrchr(symlink_data->newpathparent, '/');
84004dbf 3777 if (ptr == NULL) {
cbbf9d3e 3778 rpc_set_error(nfs->rpc, "Invalid path %s", oldpath);
84004dbf 3779 free_nfs_symlink_data(symlink_data);
cbbf9d3e 3780 return -1;
84004dbf
RS		 3781 }
3782 *ptr = 0;
3783 ptr++;
3784
3785 symlink_data->newpathobject = strdup(ptr);
3786 if (symlink_data->newpathobject == NULL) {
cbbf9d3e 3787 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for new path");
84004dbf 3788 free_nfs_symlink_data(symlink_data);
cbbf9d3e 3789 return -1;
84004dbf
RS		 3790 }
3791
3792 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		 3793 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
3794 return -1;
84004dbf
RS		 3795 }
3796
3797 return 0;
3798}
3799
3800
3801
3802/*
3803 * Async rename()
3804 */
3805struct nfs_rename_data {
3806 char *oldpath;
3807 char *oldobject;
3808 struct nfs_fh3 olddir;
3809 char *newpath;
3810 char *newobject;
3811 struct nfs_fh3 newdir;
3812};
3813
3814static void free_nfs_rename_data(void *mem)
3815{
3816 struct nfs_rename_data *data = mem;
3817
3818 if (data->oldpath != NULL) {
3819 free(data->oldpath);
3820 }
3821 if (data->olddir.data.data_val != NULL) {
3822 free(data->olddir.data.data_val);
3823 }
3824 if (data->newpath != NULL) {
3825 free(data->newpath);
3826 }
3827 if (data->newdir.data.data_val != NULL) {
3828 free(data->newdir.data.data_val);
3829 }
3830 free(data);
3831}
3832
f3a75078 3833static void nfs_rename_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3834{
3835 RENAME3res *res;
3836 struct nfs_cb_data *data = private_data;
3837 struct nfs_context *nfs = data->nfs;
3838 struct nfs_rename_data *rename_data = data->continue_data;
4b1ae88a 3839
f3a75078
RS		 3840 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3841
84004dbf
RS		 3842 if (status == RPC_STATUS_ERROR) {
3843 data->cb(-EFAULT, nfs, command_data, data->private_data);
3844 free_nfs_cb_data(data);
3845 return;
3846 }
3847 if (status == RPC_STATUS_CANCEL) {
3848 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3849 free_nfs_cb_data(data);
3850 return;
3851 }
3852
3853 res = command_data;
3854 if (res->status != NFS3_OK) {
3855 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));
3856 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3857 free_nfs_cb_data(data);
3858 return;
3859 }
3860
3861 data->cb(0, nfs, NULL, data->private_data);
3862 free_nfs_cb_data(data);
3863}
3864
3865static int nfs_rename_continue_2_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3866{
3867 struct nfs_rename_data *rename_data = data->continue_data;
5940c705 3868 RENAME3args args;
84004dbf
RS		 3869
3870 /* steal the filehandle */
2452c57f 3871 rename_data->newdir = data->fh;
84004dbf
RS		 3872 data->fh.data.data_val = NULL;
3873
5940c705
RS		 3874 args.from.dir = rename_data->olddir;
3875 args.from.name = rename_data->oldobject;
3876 args.to.dir = rename_data->newdir;
3877 args.to.name = rename_data->newobject;
3878 if (rpc_nfs3_rename_async(nfs->rpc, nfs_rename_cb, &args, data) != 0) {
84004dbf
RS		 3879 rpc_set_error(nfs->rpc, "RPC error: Failed to send RENAME call for %s", data->path);
3880 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3881 free_nfs_cb_data(data);
3882 return -1;
3883 }
3884 return 0;
3885}
3886
3887
3888static int nfs_rename_continue_1_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3889{
3890 struct nfs_rename_data *rename_data = data->continue_data;
3891
3892 /* steal the filehandle */
2452c57f 3893 rename_data->olddir = data->fh;
84004dbf
RS		 3894 data->fh.data.data_val = NULL;
3895
3896 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) {
3897 rpc_set_error(nfs->rpc, "RPC error: Failed to send LOOKUP call for %s", rename_data->newpath);
3898 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3899 free_nfs_cb_data(data);
3900 return -1;
3901 }
3902 data->continue_data = NULL;
3903 free_nfs_cb_data(data);
3904
3905 return 0;
3906}
3907
3908
3909int nfs_rename_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data)
3910{
3911 char *ptr;
3912 struct nfs_rename_data *rename_data;
3913
3914 rename_data = malloc(sizeof(struct nfs_rename_data));
3915 if (rename_data == NULL) {
cbbf9d3e 3916 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for rename data");
84004dbf
RS		 3917 return -1;
3918 }
ea98629a 3919 memset(rename_data, 0, sizeof(struct nfs_rename_data));
84004dbf
RS		 3920
3921 rename_data->oldpath = strdup(oldpath);
3922 if (rename_data->oldpath == NULL) {
cbbf9d3e 3923 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath");
84004dbf 3924 free_nfs_rename_data(rename_data);
cbbf9d3e 3925 return -1;
84004dbf 3926 }
93e9306f 3927 ptr = strrchr(rename_data->oldpath, '/');
84004dbf 3928 if (ptr == NULL) {
cbbf9d3e 3929 rpc_set_error(nfs->rpc, "Invalid path %s", oldpath);
84004dbf 3930 free_nfs_rename_data(rename_data);
cbbf9d3e 3931 return -1;
84004dbf
RS		 3932 }
3933 *ptr = 0;
3934 ptr++;
3935 rename_data->oldobject = ptr;
3936
3937
3938 rename_data->newpath = strdup(newpath);
3939 if (rename_data->newpath == NULL) {
cbbf9d3e 3940 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for newpath");
84004dbf 3941 free_nfs_rename_data(rename_data);
cbbf9d3e 3942 return -1;
84004dbf 3943 }
93e9306f 3944 ptr = strrchr(rename_data->newpath, '/');
84004dbf 3945 if (ptr == NULL) {
cbbf9d3e 3946 rpc_set_error(nfs->rpc, "Invalid path %s", newpath);
84004dbf 3947 free_nfs_rename_data(rename_data);
cbbf9d3e 3948 return -1;
84004dbf
RS		 3949 }
3950 *ptr = 0;
3951 ptr++;
3952 rename_data->newobject = ptr;
3953
3954
3955 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		 3956 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
3957 return -1;
84004dbf
RS		 3958 }
3959
3960 return 0;
3961}
3962
3963
3964/*
3965 * Async link()
3966 */
3967struct nfs_link_data {
3968 char *oldpath;
3969 struct nfs_fh3 oldfh;
3970 char *newpath;
3971 char *newobject;
3972 struct nfs_fh3 newdir;
3973};
3974
3975static void free_nfs_link_data(void *mem)
3976{
3977 struct nfs_link_data *data = mem;
3978
3979 if (data->oldpath != NULL) {
3980 free(data->oldpath);
3981 }
3982 if (data->oldfh.data.data_val != NULL) {
3983 free(data->oldfh.data.data_val);
3984 }
3985 if (data->newpath != NULL) {
3986 free(data->newpath);
3987 }
3988 if (data->newdir.data.data_val != NULL) {
3989 free(data->newdir.data.data_val);
3990 }
3991 free(data);
3992}
3993
f3a75078 3994static void nfs_link_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3995{
3996 LINK3res *res;
3997 struct nfs_cb_data *data = private_data;
3998 struct nfs_context *nfs = data->nfs;
3999 struct nfs_link_data *link_data = data->continue_data;
4b1ae88a 4000
f3a75078
RS		 4001 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4002
84004dbf
RS		 4003 if (status == RPC_STATUS_ERROR) {
4004 data->cb(-EFAULT, nfs, command_data, data->private_data);
4005 free_nfs_cb_data(data);
4006 return;
4007 }
4008 if (status == RPC_STATUS_CANCEL) {
4009 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
4010 free_nfs_cb_data(data);
4011 return;
4012 }
4013
4014 res = command_data;
4015 if (res->status != NFS3_OK) {
4016 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));
4017 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
4018 free_nfs_cb_data(data);
4019 return;
4020 }
4021
4022 data->cb(0, nfs, NULL, data->private_data);
4023 free_nfs_cb_data(data);
4024}
4025
4026static int nfs_link_continue_2_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
4027{
4028 struct nfs_link_data *link_data = data->continue_data;
560f9434 4029 LINK3args args;
84004dbf
RS		 4030
4031 /* steal the filehandle */
2452c57f 4032 link_data->newdir = data->fh;
84004dbf
RS		 4033 data->fh.data.data_val = NULL;
4034
560f9434
RS		 4035 memset(&args, 0, sizeof(LINK3args));
4036 args.file = link_data->oldfh;
4037 args.link.dir = link_data->newdir;
4038 args.link.name = link_data->newobject;
4039 if (rpc_nfs3_link_async(nfs->rpc, nfs_link_cb, &args, data) != 0) {
84004dbf
RS		 4040 rpc_set_error(nfs->rpc, "RPC error: Failed to send LINK call for %s", data->path);
4041 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
4042 free_nfs_cb_data(data);
4043 return -1;
4044 }
4045 return 0;
4046}
4047
4048
4049static int nfs_link_continue_1_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
4050{
4051 struct nfs_link_data *link_data = data->continue_data;
4052
4053 /* steal the filehandle */
2452c57f 4054 link_data->oldfh = data->fh;
84004dbf
RS		 4055 data->fh.data.data_val = NULL;
4056
4057 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) {
4058 rpc_set_error(nfs->rpc, "RPC error: Failed to send LOOKUP call for %s", link_data->newpath);
4059 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
4060 free_nfs_cb_data(data);
4061 return -1;
4062 }
4063 data->continue_data = NULL;
4064 free_nfs_cb_data(data);
4065
4066 return 0;
4067}
4068
4069
4070int nfs_link_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data)
4071{
4072 char *ptr;
4073 struct nfs_link_data *link_data;
4074
4075 link_data = malloc(sizeof(struct nfs_link_data));
4076 if (link_data == NULL) {
cbbf9d3e 4077 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for link data");
84004dbf
RS		 4078 return -1;
4079 }
ea98629a 4080 memset(link_data, 0, sizeof(struct nfs_link_data));
84004dbf
RS		 4081
4082 link_data->oldpath = strdup(oldpath);
4083 if (link_data->oldpath == NULL) {
cbbf9d3e 4084 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath");
84004dbf 4085 free_nfs_link_data(link_data);
cbbf9d3e 4086 return -1;
84004dbf
RS		 4087 }
4088
4089 link_data->newpath = strdup(newpath);
4090 if (link_data->newpath == NULL) {
cbbf9d3e 4091 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for newpath");
84004dbf 4092 free_nfs_link_data(link_data);
cbbf9d3e 4093 return -1;
84004dbf 4094 }
93e9306f 4095 ptr = strrchr(link_data->newpath, '/');
84004dbf 4096 if (ptr == NULL) {
cbbf9d3e 4097 rpc_set_error(nfs->rpc, "Invalid path %s", newpath);
84004dbf 4098 free_nfs_link_data(link_data);
cbbf9d3e 4099 return -1;
84004dbf
RS		 4100 }
4101 *ptr = 0;
4102 ptr++;
4103 link_data->newobject = ptr;
4104
4105
4106 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		 4107 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
4108 return -1;
84004dbf
RS		 4109 }
4110
4111 return 0;
4112}
4113
4114
4115//qqq replace later with lseek()
183451cf 4116uint64_t nfs_get_current_offset(struct nfsfh *nfsfh)
84004dbf
RS		 4117{
4118 return nfsfh->offset;
4119}
4120
17ef62fa
RS		 4121
4122
4123/*
4124 * Get the maximum supported READ3 size by the server
4125 */
183451cf 4126uint64_t nfs_get_readmax(struct nfs_context *nfs)
17ef62fa
RS		 4127{
4128 return nfs->readmax;
4129}
4130
4131/*
4132 * Get the maximum supported WRITE3 size by the server
4133 */
183451cf 4134uint64_t nfs_get_writemax(struct nfs_context *nfs)
17ef62fa 4135{
e7f3a781 4136 return nfs->writemax;
17ef62fa 4137}
1896d37b 4138
d43a8953
PL		 4139void nfs_set_tcp_syncnt(struct nfs_context *nfs, int v) {
4140 rpc_set_tcp_syncnt(nfs->rpc, v);
4141}
4142
4143void nfs_set_uid(struct nfs_context *nfs, int uid) {
4144 rpc_set_uid(nfs->rpc, uid);
4145}
4146
4147void nfs_set_gid(struct nfs_context *nfs, int gid) {
4148 rpc_set_gid(nfs->rpc, gid);
4149}
4150
1896d37b
RS		 4151void nfs_set_error(struct nfs_context *nfs, char *error_string, ...)
4152{
4153 va_list ap;
1e8994af 4154 char *str = NULL;
1896d37b 4155
1e8994af 4156 va_start(ap, error_string);
2606f9bb
RS		 4157 str = malloc(1024);
4158 vsnprintf(str, 1024, error_string, ap);
1896d37b
RS		 4159 if (nfs->rpc->error_string != NULL) {
4160 free(nfs->rpc->error_string);
4161 }
1896d37b 4162 nfs->rpc->error_string = str;
f893b680 4163 va_end(ap);
1896d37b 4164}
7f0242ca
RS		 4165
4166
4167
4168struct mount_cb_data {
4169 rpc_cb cb;
4170 void *private_data;
4171 char *server;
4172};
4173
4174static void free_mount_cb_data(struct mount_cb_data *data)
4175{
4176 if (data->server != NULL) {
4177 free(data->server);
4178 data->server = NULL;
4179 }
4180
4181 free(data);
4182}
4183
4184static void mount_export_5_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
4185{
4186 struct mount_cb_data *data = private_data;
4187
f3a75078
RS		 4188 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4189
4190 if (status == RPC_STATUS_ERROR) {
7f0242ca
RS		 4191 data->cb(rpc, -EFAULT, command_data, data->private_data);
4192 free_mount_cb_data(data);
4193 return;
4194 }
4195 if (status == RPC_STATUS_CANCEL) {
4196 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
4197 free_mount_cb_data(data);
4198 return;
4199 }
4200
4201 data->cb(rpc, 0, command_data, data->private_data);
4202 if (rpc_disconnect(rpc, "normal disconnect") != 0) {
4203 rpc_set_error(rpc, "Failed to disconnect\n");
4204 }
4205 free_mount_cb_data(data);
4206}
4207
4208static void mount_export_4_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
4209{
4210 struct mount_cb_data *data = private_data;
4211
f3a75078
RS		 4212 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4213
14a062eb
RS		 4214 /* Dont want any more callbacks even if the socket is closed */
4215 rpc->connect_cb = NULL;
4216
4b1ae88a 4217 if (status == RPC_STATUS_ERROR) {
7f0242ca
RS		 4218 data->cb(rpc, -EFAULT, command_data, data->private_data);
4219 free_mount_cb_data(data);
4220 return;
4221 }
4222 if (status == RPC_STATUS_CANCEL) {
4223 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
4224 free_mount_cb_data(data);
4225 return;
4226 }
4227
eda77ec3 4228 if (rpc_mount3_export_async(rpc, mount_export_5_cb, data) != 0) {
7f0242ca
RS		 4229 data->cb(rpc, -ENOMEM, command_data, data->private_data);
4230 free_mount_cb_data(data);
4231 return;
4232 }
4233}
4234
4235static void mount_export_3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
4236{
4237 struct mount_cb_data *data = private_data;
4238 uint32_t mount_port;
4239
f3a75078
RS		 4240 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4241
4242 if (status == RPC_STATUS_ERROR) {
7f0242ca
RS		 4243 data->cb(rpc, -EFAULT, command_data, data->private_data);
4244 free_mount_cb_data(data);
4245 return;
4246 }
4247 if (status == RPC_STATUS_CANCEL) {
4248 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
4249 free_mount_cb_data(data);
4250 return;
4251 }
4252
4253 mount_port = *(uint32_t *)command_data;
4254 if (mount_port == 0) {
4255 rpc_set_error(rpc, "RPC error. Mount program is not available");
4256 data->cb(rpc, -ENOENT, command_data, data->private_data);
4257 free_mount_cb_data(data);
4258 return;
4259 }
4260
4261 rpc_disconnect(rpc, "normal disconnect");
4262 if (rpc_connect_async(rpc, data->server, mount_port, mount_export_4_cb, data) != 0) {
4263 data->cb(rpc, -ENOMEM, command_data, data->private_data);
4264 free_mount_cb_data(data);
4265 return;
4266 }
4267}
4268
4269static void mount_export_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
4270{
4271 struct mount_cb_data *data = private_data;
4272
f3a75078
RS		 4273 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4274
7f0242ca
RS		 4275 if (status == RPC_STATUS_ERROR) {
4276 data->cb(rpc, -EFAULT, command_data, data->private_data);
4277 free_mount_cb_data(data);
4278 return;
4279 }
4280 if (status == RPC_STATUS_CANCEL) {
4281 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
4282 free_mount_cb_data(data);
4283 return;
4284 }
4285
5c6b1176 4286 if (rpc_pmap_getport_async(rpc, MOUNT_PROGRAM, MOUNT_V3, IPPROTO_TCP, mount_export_3_cb, private_data) != 0) {
7f0242ca
RS		 4287 data->cb(rpc, -ENOMEM, command_data, data->private_data);
4288 free_mount_cb_data(data);
4289 return;
4290 }
4291}
4292
4293static void mount_export_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
4294{
4295 struct mount_cb_data *data = private_data;
4296
f3a75078
RS		 4297 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4298
14a062eb
RS		 4299 /* Dont want any more callbacks even if the socket is closed */
4300 rpc->connect_cb = NULL;
4301
7f0242ca
RS		 4302 if (status == RPC_STATUS_ERROR) {
4303 data->cb(rpc, -EFAULT, command_data, data->private_data);
4304 free_mount_cb_data(data);
4305 return;
4306 }
4307 if (status == RPC_STATUS_CANCEL) {
4308 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
4309 free_mount_cb_data(data);
4310 return;
4311 }
4312
4313 if (rpc_pmap_null_async(rpc, mount_export_2_cb, data) != 0) {
4314 data->cb(rpc, -ENOMEM, command_data, data->private_data);
4315 free_mount_cb_data(data);
4316 return;
4317 }
4318}
4319
4320int mount_getexports_async(struct rpc_context *rpc, const char *server, rpc_cb cb, void *private_data)
4321{
4322 struct mount_cb_data *data;
4323
f3a75078
RS		 4324 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4325
7f0242ca
RS		 4326 data = malloc(sizeof(struct mount_cb_data));
4327 if (data == NULL) {
4328 return -1;
4329 }
ea98629a 4330 memset(data, 0, sizeof(struct mount_cb_data));
7f0242ca
RS		 4331 data->cb = cb;
4332 data->private_data = private_data;
4333 data->server = strdup(server);
4334 if (data->server == NULL) {
4335 free_mount_cb_data(data);
4336 return -1;
4b1ae88a 4337 }
7f0242ca
RS		 4338 if (rpc_connect_async(rpc, data->server, 111, mount_export_1_cb, data) != 0) {
4339 free_mount_cb_data(data);
4340 return -1;
4341 }
4342
4343 return 0;
4344}
4345
df5af25f
RS		 4346struct rpc_context *nfs_get_rpc_context(struct nfs_context *nfs)
4347{
f3a75078 4348 assert(nfs->rpc->magic == RPC_CONTEXT_MAGIC);
df5af25f
RS		 4349 return nfs->rpc;
4350}
4351
b077fdeb
RS		 4352const char *nfs_get_server(struct nfs_context *nfs) {
4353 return nfs->server;
4354}
4355
4356const char *nfs_get_export(struct nfs_context *nfs) {
4357 return nfs->export;
4358}
0ad9a1f1 4359
8724c833
RS		 4360const struct nfs_fh3 *nfs_get_rootfh(struct nfs_context *nfs) {
4361 return &nfs->rootfh;
4362}
fa3c25be
RS		 4363
4364struct nfs_fh3 *nfs_get_fh(struct nfsfh *nfsfh) {
4365 return &nfsfh->fh;
4366}
libnfs Piment Noir Debian package repository