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nfs_pread_async: plug potential memleaks
[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
c8f0bac1
AR		 1581 assert(count > 0);
1582 assert(data->num_calls == 0);
1583
921f877b
RS		 1584 /* trying to read more than maximum server read size, we has to chop it up into smaller
1585 * reads and collect into a reassembly buffer.
cd67ec7d 1586 * we send all reads in parallel so that performance is still good.
921f877b 1587 */
7ed9d87a 1588 data->max_offset = offset;
921f877b
RS		 1589 data->start_offset = offset;
1590
1591 data->buffer = malloc(count);
1592 if (data->buffer == NULL) {
1593 rpc_set_error(nfs->rpc, "Out-Of-Memory: Failed to allocate reassembly buffer for %d bytes", (int)count);
84004dbf
RS		 1594 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1595 free_nfs_cb_data(data);
1596 return -1;
1597 }
921f877b
RS		 1598
1599 while (count > 0) {
183451cf 1600 uint64_t readcount = count;
921f877b 1601 struct nfs_mcb_data *mdata;
463d59bf 1602 READ3args args;
921f877b
RS		 1603
1604 if (readcount > nfs_get_readmax(nfs)) {
1605 readcount = nfs_get_readmax(nfs);
1606 }
1607
1608 mdata = malloc(sizeof(struct nfs_mcb_data));
1609 if (mdata == NULL) {
1610 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_mcb_data structure");
c8f0bac1
AR		 1611 if (data->num_calls == 0)
1612 free_nfs_cb_data(data);
921f877b
RS		 1613 return -1;
1614 }
ea98629a 1615 memset(mdata, 0, sizeof(struct nfs_mcb_data));
921f877b
RS		 1616 mdata->data = data;
1617 mdata->offset = offset;
1618 mdata->count = readcount;
463d59bf
RS		 1619
1620 memset(&args, 0, sizeof(READ3args));
2452c57f 1621 args.file = nfsfh->fh;
463d59bf
RS		 1622 args.offset = offset;
1623 args.count = readcount;
1624
1625 if (rpc_nfs3_read_async(nfs->rpc, nfs_pread_mcb, &args, mdata) != 0) {
921f877b
RS		 1626 rpc_set_error(nfs->rpc, "RPC error: Failed to send READ call for %s", data->path);
1627 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1628 free(mdata);
c8f0bac1
AR		 1629 if (data->num_calls == 0)
1630 free_nfs_cb_data(data);
921f877b
RS		 1631 return -1;
1632 }
1633
1634 count -= readcount;
1635 offset += readcount;
1636 data->num_calls++;
1637 }
1638
1639 return 0;
84004dbf
RS		 1640}
1641
1642/*
1643 * Async read()
1644 */
183451cf 1645int nfs_read_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t count, nfs_cb cb, void *private_data)
84004dbf
RS		 1646{
1647 return nfs_pread_async(nfs, nfsfh, nfsfh->offset, count, cb, private_data);
1648}
1649
1650
1651
1652/*
1653 * Async pwrite()
1654 */
f3a75078 1655static void nfs_pwrite_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1656{
1657 struct nfs_cb_data *data = private_data;
1658 struct nfs_context *nfs = data->nfs;
1659 WRITE3res *res;
1660
f3a75078
RS		 1661 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1662
84004dbf
RS		 1663 if (status == RPC_STATUS_ERROR) {
1664 data->cb(-EFAULT, nfs, command_data, data->private_data);
1665 free_nfs_cb_data(data);
1666 return;
1667 }
1668 if (status == RPC_STATUS_CANCEL) {
1669 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1670 free_nfs_cb_data(data);
1671 return;
1672 }
1673
1674 res = command_data;
1675 if (res->status != NFS3_OK) {
1676 rpc_set_error(nfs->rpc, "NFS: Write failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1677 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1678 free_nfs_cb_data(data);
1679 return;
1680 }
1681
1682 data->nfsfh->offset += res->WRITE3res_u.resok.count;
1683 data->cb(res->WRITE3res_u.resok.count, nfs, NULL, data->private_data);
1684 free_nfs_cb_data(data);
1685}
1686
f3a75078 1687static void nfs_pwrite_mcb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
18c27b73
RS		 1688{
1689 struct nfs_mcb_data *mdata = private_data;
1690 struct nfs_cb_data *data = mdata->data;
1691 struct nfs_context *nfs = data->nfs;
1692 WRITE3res *res;
1693
f3a75078
RS		 1694 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1695
18c27b73
RS		 1696 data->num_calls--;
1697
1698 if (status == RPC_STATUS_ERROR) {
1699 /* flag the failure but do not invoke callback until we have received all responses */
1700 data->error = 1;
1701 }
1702 if (status == RPC_STATUS_CANCEL) {
1703 /* flag the cancellation but do not invoke callback until we have received all responses */
1704 data->cancel = 1;
1705 }
1706
1707 if (status == RPC_STATUS_SUCCESS) {
1708 res = command_data;
1709 if (res->status != NFS3_OK) {
1710 rpc_set_error(nfs->rpc, "NFS: Write failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1711 data->error = 1;
1712 } else {
1713 if (res->WRITE3res_u.resok.count > 0) {
1714 if ((unsigned)data->max_offset < mdata->offset + res->WRITE3res_u.resok.count) {
1715 data->max_offset = mdata->offset + res->WRITE3res_u.resok.count;
1716 }
1717 }
1718 }
1719 }
1720
1721 if (data->num_calls > 0) {
1722 /* still waiting for more replies */
1723 free(mdata);
1724 return;
1725 }
1726
1727 if (data->error != 0) {
1728 data->cb(-EFAULT, nfs, command_data, data->private_data);
1729 free_nfs_cb_data(data);
1730 free(mdata);
1731 return;
1732 }
1733 if (data->cancel != 0) {
1734 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1735 free_nfs_cb_data(data);
1736 free(mdata);
1737 return;
1738 }
1739
1740 data->nfsfh->offset = data->max_offset;
1741 data->cb(data->max_offset - data->start_offset, nfs, NULL, data->private_data);
1742
1743 free_nfs_cb_data(data);
1744 free(mdata);
1745}
1746
1747
183451cf 1748int 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		 1749{
1750 struct nfs_cb_data *data;
1751
1752 data = malloc(sizeof(struct nfs_cb_data));
1753 if (data == NULL) {
1754 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1755 return -1;
1756 }
ea98629a 1757 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1758 data->nfs = nfs;
1759 data->cb = cb;
1760 data->private_data = private_data;
1761 data->nfsfh = nfsfh;
1762
1763 nfsfh->offset = offset;
18c27b73
RS		 1764
1765 if (count <= nfs_get_writemax(nfs)) {
463d59bf
RS		 1766 WRITE3args args;
1767
1768 memset(&args, 0, sizeof(WRITE3args));
2452c57f 1769 args.file = nfsfh->fh;
463d59bf
RS		 1770 args.offset = offset;
1771 args.count = count;
1772 args.stable = nfsfh->is_sync?FILE_SYNC:UNSTABLE;
1773 args.data.data_len = count;
1774 args.data.data_val = buf;
1775
1776 if (rpc_nfs3_write_async(nfs->rpc, nfs_pwrite_cb, &args, data) != 0) {
18c27b73
RS		 1777 rpc_set_error(nfs->rpc, "RPC error: Failed to send WRITE call for %s", data->path);
1778 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1779 free_nfs_cb_data(data);
1780 return -1;
1781 }
1782 return 0;
84004dbf 1783 }
18c27b73 1784
63d4a058
AR		 1785 /* hello, clang-analyzer */
1786 assert(count > 0);
1787 assert(data->num_calls == 0);
1788
18c27b73
RS		 1789 /* trying to write more than maximum server write size, we has to chop it up into smaller
1790 * chunks.
cd67ec7d 1791 * we send all writes in parallel so that performance is still good.
18c27b73
RS		 1792 */
1793 data->max_offset = offset;
1794 data->start_offset = offset;
1795
1796 while (count > 0) {
183451cf 1797 uint64_t writecount = count;
18c27b73 1798 struct nfs_mcb_data *mdata;
463d59bf 1799 WRITE3args args;
18c27b73
RS		 1800
1801 if (writecount > nfs_get_writemax(nfs)) {
1802 writecount = nfs_get_writemax(nfs);
1803 }
1804
1805 mdata = malloc(sizeof(struct nfs_mcb_data));
1806 if (mdata == NULL) {
1807 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_mcb_data structure");
63d4a058
AR		 1808 if (data->num_calls == 0)
1809 free_nfs_cb_data(data);
18c27b73
RS		 1810 return -1;
1811 }
1812 memset(mdata, 0, sizeof(struct nfs_mcb_data));
1813 mdata->data = data;
1814 mdata->offset = offset;
1815 mdata->count = writecount;
1816
463d59bf 1817 memset(&args, 0, sizeof(WRITE3args));
2452c57f 1818 args.file = nfsfh->fh;
463d59bf
RS		 1819 args.offset = offset;
1820 args.count = writecount;
1821 args.stable = nfsfh->is_sync?FILE_SYNC:UNSTABLE;
1822 args.data.data_len = writecount;
1823 args.data.data_val = &buf[offset - data->start_offset];
1824
1825 if (rpc_nfs3_write_async(nfs->rpc, nfs_pwrite_mcb, &args, mdata) != 0) {
18c27b73
RS		 1826 rpc_set_error(nfs->rpc, "RPC error: Failed to send WRITE call for %s", data->path);
1827 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1828 free(mdata);
63d4a058
AR		 1829 if (data->num_calls == 0)
1830 free_nfs_cb_data(data);
1831
18c27b73
RS		 1832 return -1;
1833 }
1834
1835 count -= writecount;
1836 offset += writecount;
1837 data->num_calls++;
1838 }
1839
84004dbf
RS		 1840 return 0;
1841}
1842
1843/*
1844 * Async write()
1845 */
183451cf 1846int nfs_write_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t count, char *buf, nfs_cb cb, void *private_data)
84004dbf
RS		 1847{
1848 return nfs_pwrite_async(nfs, nfsfh, nfsfh->offset, count, buf, cb, private_data);
1849}
1850
1851
1852
1853
1854/*
1855 * close
1856 */
4b1ae88a 1857
84004dbf
RS		 1858int nfs_close_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data)
1859{
1860 if (nfsfh->fh.data.data_val != NULL){
1861 free(nfsfh->fh.data.data_val);
1862 nfsfh->fh.data.data_val = NULL;
1863 }
1864 free(nfsfh);
1865
1866 cb(0, nfs, NULL, private_data);
1867 return 0;
1868};
1869
1870
1871
1872
1873
1874/*
1875 * Async fstat()
1876 */
1877int nfs_fstat_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data)
1878{
1879 struct nfs_cb_data *data;
463d59bf 1880 struct GETATTR3args args;
84004dbf
RS		 1881
1882 data = malloc(sizeof(struct nfs_cb_data));
1883 if (data == NULL) {
1884 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1885 return -1;
1886 }
ea98629a 1887 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1888 data->nfs = nfs;
1889 data->cb = cb;
1890 data->private_data = private_data;
1891
463d59bf 1892 memset(&args, 0, sizeof(GETATTR3args));
2452c57f 1893 args.object = nfsfh->fh;
463d59bf
RS		 1894
1895 if (rpc_nfs3_getattr_async(nfs->rpc, nfs_stat_1_cb, &args, data) != 0) {
84004dbf
RS		 1896 rpc_set_error(nfs->rpc, "RPC error: Failed to send STAT GETATTR call for %s", data->path);
1897 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1898 free_nfs_cb_data(data);
1899 return -1;
1900 }
1901 return 0;
1902}
1903
1904
1905
1906/*
1907 * Async fsync()
1908 */
f3a75078 1909static void nfs_fsync_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1910{
1911 struct nfs_cb_data *data = private_data;
1912 struct nfs_context *nfs = data->nfs;
1913 COMMIT3res *res;
1914
f3a75078
RS		 1915 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1916
84004dbf
RS		 1917 if (status == RPC_STATUS_ERROR) {
1918 data->cb(-EFAULT, nfs, command_data, data->private_data);
1919 free_nfs_cb_data(data);
1920 return;
1921 }
1922 if (status == RPC_STATUS_CANCEL) {
1923 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1924 free_nfs_cb_data(data);
1925 return;
1926 }
1927
1928 res = command_data;
1929 if (res->status != NFS3_OK) {
1930 rpc_set_error(nfs->rpc, "NFS: Commit failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1931 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1932 free_nfs_cb_data(data);
1933 return;
1934 }
1935
1936 data->cb(0, nfs, NULL, data->private_data);
1937 free_nfs_cb_data(data);
1938}
1939
1940int nfs_fsync_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data)
1941{
1942 struct nfs_cb_data *data;
1a5636ff 1943 struct COMMIT3args args;
84004dbf
RS		 1944
1945 data = malloc(sizeof(struct nfs_cb_data));
1946 if (data == NULL) {
1947 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 1948 return -1;
1949 }
ea98629a 1950 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 1951 data->nfs = nfs;
1952 data->cb = cb;
1953 data->private_data = private_data;
1954
1a5636ff
RS		 1955 args.file = nfsfh->fh;
1956 args.offset = 0;
1957 args.count = 0;
1958 if (rpc_nfs3_commit_async(nfs->rpc, nfs_fsync_cb, &args, data) != 0) {
84004dbf
RS		 1959 rpc_set_error(nfs->rpc, "RPC error: Failed to send COMMIT call for %s", data->path);
1960 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
1961 free_nfs_cb_data(data);
1962 return -1;
1963 }
1964 return 0;
1965}
1966
1967
1968
1969
1970/*
1971 * Async ftruncate()
1972 */
f3a75078 1973static void nfs_ftruncate_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 1974{
1975 struct nfs_cb_data *data = private_data;
1976 struct nfs_context *nfs = data->nfs;
1977 SETATTR3res *res;
1978
f3a75078
RS		 1979 assert(rpc->magic == RPC_CONTEXT_MAGIC);
1980
84004dbf
RS		 1981 if (status == RPC_STATUS_ERROR) {
1982 data->cb(-EFAULT, nfs, command_data, data->private_data);
1983 free_nfs_cb_data(data);
1984 return;
1985 }
1986 if (status == RPC_STATUS_CANCEL) {
1987 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
1988 free_nfs_cb_data(data);
1989 return;
1990 }
1991
1992 res = command_data;
1993 if (res->status != NFS3_OK) {
1994 rpc_set_error(nfs->rpc, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
1995 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
1996 free_nfs_cb_data(data);
1997 return;
1998 }
1999
2000 data->cb(0, nfs, NULL, data->private_data);
2001 free_nfs_cb_data(data);
2002}
2003
183451cf 2004int nfs_ftruncate_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t length, nfs_cb cb, void *private_data)
84004dbf
RS		 2005{
2006 struct nfs_cb_data *data;
2007 SETATTR3args args;
2008
2009 data = malloc(sizeof(struct nfs_cb_data));
2010 if (data == NULL) {
2011 rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
84004dbf
RS		 2012 return -1;
2013 }
ea98629a 2014 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 2015 data->nfs = nfs;
2016 data->cb = cb;
2017 data->private_data = private_data;
2018
ea98629a 2019 memset(&args, 0, sizeof(SETATTR3args));
2452c57f 2020 args.object = nfsfh->fh;
84004dbf
RS		 2021 args.new_attributes.size.set_it = 1;
2022 args.new_attributes.size.set_size3_u.size = length;
2023
b701254d 2024 if (rpc_nfs3_setattr_async(nfs->rpc, nfs_ftruncate_cb, &args, data) != 0) {
84004dbf
RS		 2025 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
2026 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2027 free_nfs_cb_data(data);
2028 return -1;
2029 }
2030 return 0;
2031}
2032
2033
2034/*
2035 * Async truncate()
2036 */
2037static int nfs_truncate_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2038{
183451cf 2039 uint64_t offset = data->continue_int;
84004dbf
RS		 2040 struct nfsfh nfsfh;
2041
2452c57f 2042 nfsfh.fh = data->fh;
84004dbf
RS		 2043
2044 if (nfs_ftruncate_async(nfs, &nfsfh, offset, data->cb, data->private_data) != 0) {
2045 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
2046 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2047 free_nfs_cb_data(data);
2048 return -1;
2049 }
2050 free_nfs_cb_data(data);
2051 return 0;
2052}
2053
183451cf 2054int nfs_truncate_async(struct nfs_context *nfs, const char *path, uint64_t length, nfs_cb cb, void *private_data)
84004dbf 2055{
183451cf 2056 uint64_t offset;
84004dbf
RS		 2057
2058 offset = length;
2059
2060 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_truncate_continue_internal, NULL, NULL, offset) != 0) {
cbbf9d3e
RS		 2061 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2062 return -1;
84004dbf
RS		 2063 }
2064
2065 return 0;
2066}
2067
2068
2069
2070
2071/*
2072 * Async mkdir()
2073 */
f3a75078 2074static void nfs_mkdir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2075{
2076 MKDIR3res *res;
2077 struct nfs_cb_data *data = private_data;
2078 struct nfs_context *nfs = data->nfs;
2079 char *str = data->continue_data;
4b1ae88a 2080
f3a75078
RS		 2081 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2082
84004dbf
RS		 2083 str = &str[strlen(str) + 1];
2084
2085 if (status == RPC_STATUS_ERROR) {
2086 data->cb(-EFAULT, nfs, command_data, data->private_data);
2087 free_nfs_cb_data(data);
2088 return;
2089 }
2090 if (status == RPC_STATUS_CANCEL) {
2091 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2092 free_nfs_cb_data(data);
2093 return;
2094 }
2095
2096 res = command_data;
2097 if (res->status != NFS3_OK) {
2098 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));
2099 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2100 free_nfs_cb_data(data);
2101 return;
2102 }
2103
2104 data->cb(0, nfs, NULL, data->private_data);
2105 free_nfs_cb_data(data);
2106}
2107
2108static int nfs_mkdir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2109{
2110 char *str = data->continue_data;
7edc9026
RS		 2111 MKDIR3args args;
2112
84004dbf
RS		 2113 str = &str[strlen(str) + 1];
2114
7edc9026 2115 memset(&args, 0, sizeof(MKDIR3args));
2452c57f 2116 args.where.dir = data->fh;
7edc9026
RS		 2117 args.where.name = str;
2118 args.attributes.mode.set_it = 1;
2119 args.attributes.mode.set_mode3_u.mode = 0755;
2120
acabd6bf 2121 if (rpc_nfs3_mkdir_async(nfs->rpc, nfs_mkdir_cb, &args, data) != 0) {
84004dbf
RS		 2122 rpc_set_error(nfs->rpc, "RPC error: Failed to send MKDIR call for %s", data->path);
2123 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2124 free_nfs_cb_data(data);
2125 return -1;
2126 }
2127 return 0;
2128}
2129
2130int nfs_mkdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
2131{
2132 char *new_path;
2133 char *ptr;
2134
2135 new_path = strdup(path);
2136 if (new_path == NULL) {
cbbf9d3e 2137 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 2138 return -1;
2139 }
2140
93e9306f 2141 ptr = strrchr(new_path, '/');
84004dbf 2142 if (ptr == NULL) {
b1a197f5 2143 free(new_path);
cbbf9d3e
RS		 2144 rpc_set_error(nfs->rpc, "Invalid path %s", path);
2145 return -1;
84004dbf
RS		 2146 }
2147 *ptr = 0;
2148
2149 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2150 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_mkdir_continue_internal, new_path, free, 0) != 0) {
cbbf9d3e
RS		 2151 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path component");
2152 return -1;
84004dbf
RS		 2153 }
2154
2155 return 0;
2156}
2157
2158
2159
2160
2161
2162/*
2163 * Async rmdir()
2164 */
f3a75078 2165static void nfs_rmdir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2166{
2167 RMDIR3res *res;
2168 struct nfs_cb_data *data = private_data;
2169 struct nfs_context *nfs = data->nfs;
2170 char *str = data->continue_data;
4b1ae88a 2171
f3a75078
RS		 2172 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2173
84004dbf
RS		 2174 str = &str[strlen(str) + 1];
2175
2176 if (status == RPC_STATUS_ERROR) {
2177 data->cb(-EFAULT, nfs, command_data, data->private_data);
2178 free_nfs_cb_data(data);
2179 return;
2180 }
2181 if (status == RPC_STATUS_CANCEL) {
2182 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2183 free_nfs_cb_data(data);
2184 return;
2185 }
2186
2187 res = command_data;
2188 if (res->status != NFS3_OK) {
2189 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));
2190 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2191 free_nfs_cb_data(data);
2192 return;
2193 }
2194
2195 data->cb(0, nfs, NULL, data->private_data);
2196 free_nfs_cb_data(data);
2197}
2198
2199static int nfs_rmdir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2200{
2201 char *str = data->continue_data;
bf817ee6
RS		 2202 RMDIR3args args;
2203
84004dbf
RS		 2204 str = &str[strlen(str) + 1];
2205
bf817ee6
RS		 2206 args.object.dir = data->fh;
2207 args.object.name = str;
2208 if (rpc_nfs3_rmdir_async(nfs->rpc, nfs_rmdir_cb, &args, data) != 0) {
84004dbf
RS		 2209 rpc_set_error(nfs->rpc, "RPC error: Failed to send RMDIR call for %s", data->path);
2210 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2211 free_nfs_cb_data(data);
2212 return -1;
2213 }
2214 return 0;
2215}
2216
2217int nfs_rmdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
2218{
2219 char *new_path;
2220 char *ptr;
2221
2222 new_path = strdup(path);
2223 if (new_path == NULL) {
cbbf9d3e 2224 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 2225 return -1;
2226 }
2227
93e9306f 2228 ptr = strrchr(new_path, '/');
84004dbf 2229 if (ptr == NULL) {
2257433d 2230 free(new_path);
cbbf9d3e
RS		 2231 rpc_set_error(nfs->rpc, "Invalid path %s", path);
2232 return -1;
84004dbf
RS		 2233 }
2234 *ptr = 0;
2235
2236 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2237 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_rmdir_continue_internal, new_path, free, 0) != 0) {
cbbf9d3e
RS		 2238 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2239 return -1;
84004dbf
RS		 2240 }
2241
2242 return 0;
2243}
2244
2245
2246
2247
2248/*
2249 * Async creat()
2250 */
f3a75078 2251static void nfs_create_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2252{
2253 LOOKUP3res *res;
2254 struct nfs_cb_data *data = private_data;
2255 struct nfs_context *nfs = data->nfs;
2256 struct nfsfh *nfsfh;
2257 char *str = data->continue_data;
2258
f3a75078
RS		 2259 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2260
84004dbf
RS		 2261 if (status == RPC_STATUS_ERROR) {
2262 data->cb(-EFAULT, nfs, command_data, data->private_data);
2263 free_nfs_cb_data(data);
2264 return;
2265 }
2266 if (status == RPC_STATUS_CANCEL) {
2267 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2268 free_nfs_cb_data(data);
2269 return;
2270 }
2271
2272 str = &str[strlen(str) + 1];
2273 res = command_data;
2274 if (res->status != NFS3_OK) {
2275 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));
2276 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2277
2278 return;
2279 }
2280
2281 nfsfh = malloc(sizeof(struct nfsfh));
2282 if (nfsfh == NULL) {
2283 rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure");
2284 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2285 free_nfs_cb_data(data);
2286 return;
2287 }
ea98629a 2288 memset(nfsfh, 0, sizeof(struct nfsfh));
84004dbf 2289
0c1a9d7a
RS		 2290 /* copy the filehandle */
2291 nfsfh->fh.data.data_len = res->LOOKUP3res_u.resok.object.data.data_len;
2292 nfsfh->fh.data.data_val = malloc(nfsfh->fh.data.data_len);
2293 memcpy(nfsfh->fh.data.data_val, res->LOOKUP3res_u.resok.object.data.data_val, nfsfh->fh.data.data_len);
84004dbf
RS		 2294
2295 data->cb(0, nfs, nfsfh, data->private_data);
2296 free_nfs_cb_data(data);
2297}
2298
2299
2300
f3a75078 2301static void nfs_creat_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2302{
2303 CREATE3res *res;
2304 struct nfs_cb_data *data = private_data;
2305 struct nfs_context *nfs = data->nfs;
2306 char *str = data->continue_data;
463d59bf 2307 LOOKUP3args args;
84004dbf 2308
f3a75078
RS		 2309 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2310
84004dbf
RS		 2311 if (status == RPC_STATUS_ERROR) {
2312 data->cb(-EFAULT, nfs, command_data, data->private_data);
2313 free_nfs_cb_data(data);
2314 return;
2315 }
2316 if (status == RPC_STATUS_CANCEL) {
2317 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2318 free_nfs_cb_data(data);
2319 return;
2320 }
2321
2322 str = &str[strlen(str) + 1];
2323 res = command_data;
2324 if (res->status != NFS3_OK) {
2325 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));
2326 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
fadbf8cf 2327 free_nfs_cb_data(data);
84004dbf
RS		 2328 return;
2329 }
2330
463d59bf 2331 memset(&args, 0, sizeof(LOOKUP3args));
2452c57f
RS		 2332 args.what.dir = data->fh;
2333 args.what.name = str;
463d59bf
RS		 2334
2335 if (rpc_nfs3_lookup_async(nfs->rpc, nfs_create_2_cb, &args, data) != 0) {
84004dbf
RS		 2336 rpc_set_error(nfs->rpc, "RPC error: Failed to send lookup call for %s/%s", data->saved_path, str);
2337 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2338 free_nfs_cb_data(data);
2339 return;
2340 }
2341 return;
2342}
2343
2344static int nfs_creat_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2345{
2346 char *str = data->continue_data;
c985c015
RS		 2347 CREATE3args args;
2348
84004dbf
RS		 2349 str = &str[strlen(str) + 1];
2350
c985c015 2351 memset(&args, 0, sizeof(CREATE3args));
2452c57f 2352 args.where.dir = data->fh;
c985c015
RS		 2353 args.where.name = str;
2354 args.how.mode = UNCHECKED;
2355 args.how.createhow3_u.obj_attributes.mode.set_it = 1;
2356 args.how.createhow3_u.obj_attributes.mode.set_mode3_u.mode = data->continue_int;
2357
789c3f12 2358 if (rpc_nfs3_create_async(nfs->rpc, nfs_creat_1_cb, &args, data) != 0) {
84004dbf
RS		 2359 rpc_set_error(nfs->rpc, "RPC error: Failed to send CREATE call for %s/%s", data->path, str);
2360 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2361 free_nfs_cb_data(data);
2362 return -1;
2363 }
2364 return 0;
2365}
2366
2367int nfs_creat_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data)
2368{
2369 char *new_path;
2370 char *ptr;
2371
2372 new_path = strdup(path);
2373 if (new_path == NULL) {
cbbf9d3e 2374 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 2375 return -1;
2376 }
2377
93e9306f 2378 ptr = strrchr(new_path, '/');
84004dbf 2379 if (ptr == NULL) {
cbbf9d3e 2380 rpc_set_error(nfs->rpc, "Invalid path %s", path);
a1287496 2381 free(new_path);
cbbf9d3e 2382 return -1;
84004dbf
RS		 2383 }
2384 *ptr = 0;
2385
73f4ae7c 2386 /* new_path now points to the parent directory, and beyond the nul terminator is the new directory to create */
84004dbf 2387 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_creat_continue_internal, new_path, free, mode) != 0) {
cbbf9d3e
RS		 2388 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2389 return -1;
84004dbf
RS		 2390 }
2391
2392 return 0;
2393}
2394
2395
2396
2397
2398/*
2399 * Async unlink()
2400 */
f3a75078 2401static void nfs_unlink_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 2402{
2403 REMOVE3res *res;
2404 struct nfs_cb_data *data = private_data;
2405 struct nfs_context *nfs = data->nfs;
2406 char *str = data->continue_data;
4b1ae88a 2407
f3a75078
RS		 2408 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2409
84004dbf
RS		 2410 str = &str[strlen(str) + 1];
2411
2412 if (status == RPC_STATUS_ERROR) {
2413 data->cb(-EFAULT, nfs, command_data, data->private_data);
2414 free_nfs_cb_data(data);
2415 return;
2416 }
2417 if (status == RPC_STATUS_CANCEL) {
2418 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2419 free_nfs_cb_data(data);
2420 return;
2421 }
2422
2423 res = command_data;
2424 if (res->status != NFS3_OK) {
2425 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));
2426 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2427 free_nfs_cb_data(data);
2428 return;
2429 }
2430
2431 data->cb(0, nfs, NULL, data->private_data);
2432 free_nfs_cb_data(data);
2433}
2434
2435static int nfs_unlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2436{
2437 char *str = data->continue_data;
a0a5aa26
RS		 2438 struct REMOVE3args args;
2439
84004dbf
RS		 2440 str = &str[strlen(str) + 1];
2441
a0a5aa26
RS		 2442 args.object.dir = data->fh;
2443 args.object.name = str;
2444 if (rpc_nfs3_remove_async(nfs->rpc, nfs_unlink_cb, &args, data) != 0) {
84004dbf
RS		 2445 rpc_set_error(nfs->rpc, "RPC error: Failed to send REMOVE call for %s", data->path);
2446 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2447 free_nfs_cb_data(data);
2448 return -1;
2449 }
2450 return 0;
2451}
2452
2453int nfs_unlink_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
2454{
2455 char *new_path;
2456 char *ptr;
2457
2458 new_path = strdup(path);
2459 if (new_path == NULL) {
cbbf9d3e 2460 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
84004dbf
RS		 2461 return -1;
2462 }
2463
93e9306f 2464 ptr = strrchr(new_path, '/');
84004dbf 2465 if (ptr == NULL) {
bcbb21cd 2466 free(new_path);
cbbf9d3e
RS		 2467 rpc_set_error(nfs->rpc, "Invalid path %s", path);
2468 return -1;
84004dbf
RS		 2469 }
2470 *ptr = 0;
2471
2472 /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2473 if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_unlink_continue_internal, new_path, free, 0) != 0) {
cbbf9d3e
RS		 2474 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2475 return -1;
84004dbf
RS		 2476 }
2477
2478 return 0;
2479}
2480
2481
1ec6b50a
RS		 2482/*
2483 * Async mknod()
2484 */
2485struct mknod_cb_data {
2486 char *path;
2487 int mode;
2488 int major;
2489 int minor;
2490};
2491
2492static void free_mknod_cb_data(void *ptr)
2493{
2494 struct mknod_cb_data *data = ptr;
2495
2496 free(data->path);
2497 free(data);
2498}
2499
f3a75078 2500static void nfs_mknod_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
1ec6b50a
RS		 2501{
2502 MKNOD3res *res;
2503 struct nfs_cb_data *data = private_data;
2504 struct nfs_context *nfs = data->nfs;
2505 char *str = data->continue_data;
4b1ae88a 2506
f3a75078
RS		 2507 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2508
1ec6b50a
RS		 2509 str = &str[strlen(str) + 1];
2510
2511 if (status == RPC_STATUS_ERROR) {
2512 data->cb(-EFAULT, nfs, command_data, data->private_data);
2513 free_nfs_cb_data(data);
2514 return;
2515 }
2516 if (status == RPC_STATUS_CANCEL) {
2517 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2518 free_nfs_cb_data(data);
2519 return;
2520 }
2521
2522 res = command_data;
2523 if (res->status != NFS3_OK) {
2524 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));
2525 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2526 free_nfs_cb_data(data);
2527 return;
2528 }
2529
2530 data->cb(0, nfs, NULL, data->private_data);
2531 free_nfs_cb_data(data);
2532}
2533
2534static int nfs_mknod_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2535{
2536 struct mknod_cb_data *cb_data = data->continue_data;
2537 char *str = cb_data->path;
b17cb0a2 2538 MKNOD3args args;
4b1ae88a 2539
1ec6b50a
RS		 2540 str = &str[strlen(str) + 1];
2541
b17cb0a2
RS		 2542 args.where.dir = data->fh;
2543 args.where.name = str;
2544 switch (cb_data->mode & S_IFMT) {
2545 case S_IFCHR:
2546 args.what.type = NF3CHR;
2547 args.what.mknoddata3_u.chr_device.dev_attributes.mode.set_it = 1;
2548 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);
2549 args.what.mknoddata3_u.chr_device.spec.specdata1 = cb_data->major;
2550 args.what.mknoddata3_u.chr_device.spec.specdata2 = cb_data->minor;
2551 break;
2552 case S_IFBLK:
2553 args.what.type = NF3BLK;
2554 args.what.mknoddata3_u.blk_device.dev_attributes.mode.set_it = 1;
2555 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);
2556 args.what.mknoddata3_u.blk_device.spec.specdata1 = cb_data->major;
2557 args.what.mknoddata3_u.blk_device.spec.specdata2 = cb_data->minor;
2558 case S_IFSOCK:
2559 args.what.type = NF3SOCK;
2560 args.what.mknoddata3_u.sock_attributes.mode.set_it = 1;
2561 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);
2562 break;
2563 case S_IFIFO:
2564 args.what.type = NF3FIFO;
2565 args.what.mknoddata3_u.pipe_attributes.mode.set_it = 1;
2566 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);
2567 break;
2568 default:
2569 rpc_set_error(nfs->rpc, "Invalid file type for NFS3/MKNOD call");
2570 data->cb(-EINVAL, nfs, rpc_get_error(nfs->rpc), data->private_data);
2571 free_nfs_cb_data(data);
2572 return -1;
2573 }
2574
2575 if (rpc_nfs3_mknod_async(nfs->rpc, nfs_mknod_cb, &args, data) != 0) {
1ec6b50a
RS		 2576 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2577 free_nfs_cb_data(data);
2578 return -1;
2579 }
2580 return 0;
2581}
2582
2583int nfs_mknod_async(struct nfs_context *nfs, const char *path, int mode, int dev, nfs_cb cb, void *private_data)
2584{
2585 char *ptr;
2586 struct mknod_cb_data *cb_data;
2587
2588 cb_data = malloc(sizeof(struct mknod_cb_data));
2589 if (cb_data == NULL) {
2590 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for cb data");
2591 return -1;
2592 }
2593
2594 cb_data->path = strdup(path);
2595 if (cb_data->path == NULL) {
2596 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
4b1ae88a 2597 free(cb_data);
1ec6b50a
RS		 2598 return -1;
2599 }
2600
2601 ptr = strrchr(cb_data->path, '/');
2602 if (ptr == NULL) {
2603 rpc_set_error(nfs->rpc, "Invalid path %s", path);
feb2fc2f 2604 free_mknod_cb_data(cb_data);
1ec6b50a
RS		 2605 return -1;
2606 }
2607 *ptr = 0;
2608
2609 cb_data->mode = mode;
2610 cb_data->major = major(dev);
2611 cb_data->minor = minor(dev);
2612
2613 /* data->path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
2614 if (nfs_lookuppath_async(nfs, cb_data->path, cb, private_data, nfs_mknod_continue_internal, cb_data, free_mknod_cb_data, 0) != 0) {
2615 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
1ec6b50a
RS		 2616 return -1;
2617 }
2618
2619 return 0;
2620}
84004dbf 2621
84004dbf
RS		 2622/*
2623 * Async opendir()
2624 */
fb69c64c
RS		 2625
2626/* ReadDirPlus Emulation Callback data */
2627struct rdpe_cb_data {
2628 int getattrcount;
2629 int status;
2630 struct nfs_cb_data *data;
2631};
2632
2633/* ReadDirPlus Emulation LOOKUP Callback data */
2634struct rdpe_lookup_cb_data {
2635 struct rdpe_cb_data *rdpe_cb_data;
2636 struct nfsdirent *nfsdirent;
2637};
2638
2639/* Workaround for servers lacking READDIRPLUS, use READDIR instead and a GETATTR-loop */
f3a75078 2640static void nfs_opendir3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf 2641{
fb69c64c
RS		 2642 LOOKUP3res *res = command_data;
2643 struct rdpe_lookup_cb_data *rdpe_lookup_cb_data = private_data;
2644 struct rdpe_cb_data *rdpe_cb_data = rdpe_lookup_cb_data->rdpe_cb_data;
2645 struct nfs_cb_data *data = rdpe_cb_data->data;
2646 struct nfsdir *nfsdir = data->continue_data;
2647 struct nfs_context *nfs = data->nfs;
2648 struct nfsdirent *nfsdirent = rdpe_lookup_cb_data->nfsdirent;
2649
f3a75078
RS		 2650 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2651
fb69c64c
RS		 2652 free(rdpe_lookup_cb_data);
2653
2654 rdpe_cb_data->getattrcount--;
2655
2656 if (status == RPC_STATUS_ERROR) {
2657 rdpe_cb_data->status = RPC_STATUS_ERROR;
2658 }
2659 if (status == RPC_STATUS_CANCEL) {
2660 rdpe_cb_data->status = RPC_STATUS_CANCEL;
2661 }
2662 if (status == RPC_STATUS_SUCCESS && res->status != NFS3_OK) {
2663 rdpe_cb_data->status = RPC_STATUS_ERROR;
2664 }
2665 if (status == RPC_STATUS_SUCCESS && res->status == NFS3_OK) {
2666 if (res->LOOKUP3res_u.resok.obj_attributes.attributes_follow) {
2667 fattr3 *attributes = &res->LOOKUP3res_u.resok.obj_attributes.post_op_attr_u.attributes;
2668
2669 nfsdirent->type = attributes->type;
2670 nfsdirent->mode = attributes->mode;
2671 nfsdirent->size = attributes->size;
2672
2673 nfsdirent->atime.tv_sec = attributes->atime.seconds;
2674 nfsdirent->atime.tv_usec = attributes->atime.nseconds/1000;
2675 nfsdirent->mtime.tv_sec = attributes->mtime.seconds;
2676 nfsdirent->mtime.tv_usec = attributes->mtime.nseconds/1000;
2677 nfsdirent->ctime.tv_sec = attributes->ctime.seconds;
2678 nfsdirent->ctime.tv_usec = attributes->ctime.nseconds/1000;
7bda8bad
RS		 2679 nfsdirent->uid = attributes->uid;
2680 nfsdirent->gid = attributes->gid;
fb69c64c
RS		 2681 }
2682 }
2683
2684 if (rdpe_cb_data->getattrcount == 0) {
2685 if (rdpe_cb_data->status != RPC_STATUS_SUCCESS) {
2686 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2687 nfs_free_nfsdir(nfsdir);
2688 } else {
2689 data->cb(0, nfs, nfsdir, data->private_data);
2690 }
2691 free(rdpe_cb_data);
2692
2693 data->continue_data = NULL;
2694 free_nfs_cb_data(data);
2695 }
2696}
2697
f3a75078 2698static void nfs_opendir2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
fb69c64c
RS		 2699{
2700 READDIR3res *res = command_data;
84004dbf
RS		 2701 struct nfs_cb_data *data = private_data;
2702 struct nfs_context *nfs = data->nfs;
fb6510bb 2703 struct nfsdir *nfsdir = data->continue_data;
fb69c64c
RS		 2704 struct nfsdirent *nfsdirent;
2705 struct entry3 *entry;
ecbd14a1 2706 uint64_t cookie = 0;
fb69c64c 2707 struct rdpe_cb_data *rdpe_cb_data;
4b1ae88a 2708
f3a75078
RS		 2709 assert(rpc->magic == RPC_CONTEXT_MAGIC);
2710
84004dbf
RS		 2711 if (status == RPC_STATUS_ERROR) {
2712 data->cb(-EFAULT, nfs, command_data, data->private_data);
2713 nfs_free_nfsdir(nfsdir);
2714 data->continue_data = NULL;
2715 free_nfs_cb_data(data);
2716 return;
2717 }
fb69c64c 2718
84004dbf
RS		 2719 if (status == RPC_STATUS_CANCEL) {
2720 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2721 nfs_free_nfsdir(nfsdir);
2722 data->continue_data = NULL;
2723 free_nfs_cb_data(data);
2724 return;
2725 }
2726
84004dbf
RS		 2727 if (res->status != NFS3_OK) {
2728 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));
2729 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2730 nfs_free_nfsdir(nfsdir);
2731 data->continue_data = NULL;
2732 free_nfs_cb_data(data);
2733 return;
fb69c64c
RS		 2734 }
2735
2736 entry =res->READDIR3res_u.resok.reply.entries;
2737 while (entry != NULL) {
2738 nfsdirent = malloc(sizeof(struct nfsdirent));
2739 if (nfsdirent == NULL) {
2740 data->cb(-ENOMEM, nfs, "Failed to allocate dirent", data->private_data);
2741 nfs_free_nfsdir(nfsdir);
2742 data->continue_data = NULL;
2743 free_nfs_cb_data(data);
2744 return;
2745 }
2746 memset(nfsdirent, 0, sizeof(struct nfsdirent));
2747 nfsdirent->name = strdup(entry->name);
2748 if (nfsdirent->name == NULL) {
2749 data->cb(-ENOMEM, nfs, "Failed to allocate dirent->name", data->private_data);
a26bebef 2750 free(nfsdirent);
fb69c64c
RS		 2751 nfs_free_nfsdir(nfsdir);
2752 data->continue_data = NULL;
2753 free_nfs_cb_data(data);
2754 return;
2755 }
2756 nfsdirent->inode = entry->fileid;
2757
2758 nfsdirent->next = nfsdir->entries;
2759 nfsdir->entries = nfsdirent;
2760
2761 cookie = entry->cookie;
2762 entry = entry->nextentry;
2763 }
2764
2765 if (res->READDIR3res_u.resok.reply.eof == 0) {
a64a16a2
RS		 2766 READDIR3args args;
2767
2768 args.dir = data->fh;
2769 args.cookie = cookie;
2452c57f 2770 memcpy(&args.cookieverf, res->READDIR3res_u.resok.cookieverf, sizeof(cookieverf3));
a64a16a2
RS		 2771 args.count = 8192;
2772
2773 if (rpc_nfs3_readdir_async(nfs->rpc, nfs_opendir2_cb, &args, data) != 0) {
fb69c64c
RS		 2774 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR call for %s", data->path);
2775 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2776 nfs_free_nfsdir(nfsdir);
2777 data->continue_data = NULL;
2778 free_nfs_cb_data(data);
2779 return;
2780 }
2781 return;
2782 }
2783
2784 /* steal the dirhandle */
2785 nfsdir->current = nfsdir->entries;
2786
2787 rdpe_cb_data = malloc(sizeof(struct rdpe_cb_data));
2788 rdpe_cb_data->getattrcount = 0;
2789 rdpe_cb_data->status = RPC_STATUS_SUCCESS;
2790 rdpe_cb_data->data = data;
2791 for (nfsdirent = nfsdir->entries; nfsdirent; nfsdirent = nfsdirent->next) {
2792 struct rdpe_lookup_cb_data *rdpe_lookup_cb_data;
463d59bf 2793 LOOKUP3args args;
fb69c64c
RS		 2794
2795 rdpe_lookup_cb_data = malloc(sizeof(struct rdpe_lookup_cb_data));
2796 rdpe_lookup_cb_data->rdpe_cb_data = rdpe_cb_data;
2797 rdpe_lookup_cb_data->nfsdirent = nfsdirent;
2798
463d59bf 2799 memset(&args, 0, sizeof(LOOKUP3args));
2452c57f
RS		 2800 args.what.dir = data->fh;
2801 args.what.name = nfsdirent->name;
463d59bf
RS		 2802
2803 if (rpc_nfs3_lookup_async(nfs->rpc, nfs_opendir3_cb, &args, rdpe_lookup_cb_data) != 0) {
fb69c64c
RS		 2804 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR LOOKUP call");
2805
2806 /* if we have already commands in flight, we cant just stop, we have to wait for the
2807 * commands in flight to complete
2808 */
2809 if (rdpe_cb_data->getattrcount > 0) {
a26bebef
AR		 2810 nfs_free_nfsdir(nfsdir);
2811 data->continue_data = NULL;
2812 free_nfs_cb_data(data);
fb69c64c
RS		 2813 rdpe_cb_data->status = RPC_STATUS_ERROR;
2814 free(rdpe_lookup_cb_data);
2815 return;
2816 }
2817
2818 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2819 nfs_free_nfsdir(nfsdir);
2820 data->continue_data = NULL;
2821 free_nfs_cb_data(data);
2822 free(rdpe_lookup_cb_data);
2823 free(rdpe_cb_data);
2824 return;
2825 }
2826 rdpe_cb_data->getattrcount++;
2827 }
2828}
2829
f3a75078 2830static void nfs_opendir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
fb69c64c
RS		 2831{
2832 READDIRPLUS3res *res = command_data;
2833 struct nfs_cb_data *data = private_data;
2834 struct nfs_context *nfs = data->nfs;
2835 struct nfsdir *nfsdir = data->continue_data;
2836 struct entryplus3 *entry;
ecbd14a1 2837 uint64_t cookie = 0;
4b1ae88a 2838
f3a75078 2839 assert(rpc->magic == RPC_CONTEXT_MAGIC);
fb69c64c
RS		 2840
2841 if (status == RPC_STATUS_ERROR || (status == RPC_STATUS_SUCCESS && res->status == NFS3ERR_NOTSUPP) ){
a64a16a2
RS		 2842 READDIR3args args;
2843
2844 args.dir = data->fh;
2845 args.cookie = cookie;
2452c57f 2846 memset(&args.cookieverf, 0, sizeof(cookieverf3));
a64a16a2 2847 args.count = 8192;
fb69c64c 2848
a64a16a2 2849 if (rpc_nfs3_readdir_async(nfs->rpc, nfs_opendir2_cb, &args, data) != 0) {
fb69c64c
RS		 2850 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR call for %s", data->path);
2851 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2852 nfs_free_nfsdir(nfsdir);
2853 data->continue_data = NULL;
2854 free_nfs_cb_data(data);
2855 return;
2856 }
2857 return;
2858 }
2859
2860 if (status == RPC_STATUS_CANCEL) {
2861 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
2862 nfs_free_nfsdir(nfsdir);
2863 data->continue_data = NULL;
2864 free_nfs_cb_data(data);
2865 return;
2866 }
2867
2868 if (res->status != NFS3_OK) {
2869 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));
2870 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
2871 nfs_free_nfsdir(nfsdir);
2872 data->continue_data = NULL;
2873 free_nfs_cb_data(data);
2874 return;
84004dbf
RS		 2875 }
2876
f390f181 2877 entry =res->READDIRPLUS3res_u.resok.reply.entries;
84004dbf
RS		 2878 while (entry != NULL) {
2879 struct nfsdirent *nfsdirent;
2880
2881 nfsdirent = malloc(sizeof(struct nfsdirent));
2882 if (nfsdirent == NULL) {
2883 data->cb(-ENOMEM, nfs, "Failed to allocate dirent", data->private_data);
2884 nfs_free_nfsdir(nfsdir);
2885 data->continue_data = NULL;
2886 free_nfs_cb_data(data);
2887 return;
2888 }
ea98629a 2889 memset(nfsdirent, 0, sizeof(struct nfsdirent));
84004dbf
RS		 2890 nfsdirent->name = strdup(entry->name);
2891 if (nfsdirent->name == NULL) {
2892 data->cb(-ENOMEM, nfs, "Failed to allocate dirent->name", data->private_data);
b2fc5c54 2893 free(nfsdirent);
84004dbf
RS		 2894 nfs_free_nfsdir(nfsdir);
2895 data->continue_data = NULL;
2896 free_nfs_cb_data(data);
2897 return;
2898 }
2899 nfsdirent->inode = entry->fileid;
0804e67d
RS		 2900 if (entry->name_attributes.attributes_follow) {
2901 nfsdirent->type = entry->name_attributes.post_op_attr_u.attributes.type;
2902 nfsdirent->mode = entry->name_attributes.post_op_attr_u.attributes.mode;
2903 nfsdirent->size = entry->name_attributes.post_op_attr_u.attributes.size;
2904
2905 nfsdirent->atime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.atime.seconds;
2906 nfsdirent->atime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.atime.nseconds/1000;
2907 nfsdirent->mtime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.mtime.seconds;
2908 nfsdirent->mtime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.mtime.nseconds/1000;
2909 nfsdirent->ctime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.ctime.seconds;
2910 nfsdirent->ctime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.ctime.nseconds/1000;
7bda8bad
RS		 2911 nfsdirent->uid = entry->name_attributes.post_op_attr_u.attributes.uid;
2912 nfsdirent->gid = entry->name_attributes.post_op_attr_u.attributes.gid;
0804e67d
RS		 2913 }
2914
84004dbf
RS		 2915 nfsdirent->next = nfsdir->entries;
2916 nfsdir->entries = nfsdirent;
2917
2918 cookie = entry->cookie;
2919 entry = entry->nextentry;
2920 }
2921
f390f181 2922 if (res->READDIRPLUS3res_u.resok.reply.eof == 0) {
1a5b83c9
RS		 2923 READDIRPLUS3args args;
2924
2925 args.dir = data->fh;
2926 args.cookie = cookie;
2927 memcpy(&args.cookieverf, res->READDIRPLUS3res_u.resok.cookieverf, sizeof(cookieverf3));
2928 args.dircount = 8192;
2929 args.maxcount = 8192;
2930
2931 if (rpc_nfs3_readdirplus_async(nfs->rpc, nfs_opendir_cb, &args, data) != 0) {
f390f181 2932 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIRPLUS call for %s", data->path);
84004dbf
RS		 2933 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2934 nfs_free_nfsdir(nfsdir);
2935 data->continue_data = NULL;
2936 free_nfs_cb_data(data);
2937 return;
2938 }
2939 return;
2940 }
2941
2942 /* steal the dirhandle */
2943 data->continue_data = NULL;
2944 nfsdir->current = nfsdir->entries;
2945
2946 data->cb(0, nfs, nfsdir, data->private_data);
2947 free_nfs_cb_data(data);
2948}
2949
2950static int nfs_opendir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
2951{
1a5b83c9 2952 READDIRPLUS3args args;
84004dbf 2953
1a5b83c9
RS		 2954 args.dir = data->fh;
2955 args.cookie = 0;
2956 memset(&args.cookieverf, 0, sizeof(cookieverf3));
2957 args.dircount = 8192;
2958 args.maxcount = 8192;
2959 if (rpc_nfs3_readdirplus_async(nfs->rpc, nfs_opendir_cb, &args, data) != 0) {
f390f181 2960 rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIRPLUS call for %s", data->path);
84004dbf
RS		 2961 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
2962 free_nfs_cb_data(data);
2963 return -1;
2964 }
2965 return 0;
2966}
2967
2968int nfs_opendir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
2969{
2970 struct nfsdir *nfsdir;
2971
2972 nfsdir = malloc(sizeof(struct nfsdir));
2973 if (nfsdir == NULL) {
cbbf9d3e 2974 rpc_set_error(nfs->rpc, "failed to allocate buffer for nfsdir");
84004dbf
RS		 2975 return -1;
2976 }
ea98629a 2977 memset(nfsdir, 0, sizeof(struct nfsdir));
84004dbf
RS		 2978
2979 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_opendir_continue_internal, nfsdir, free, 0) != 0) {
cbbf9d3e
RS		 2980 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
2981 return -1;
84004dbf
RS		 2982 }
2983
2984 return 0;
2985}
2986
2987
2988struct nfsdirent *nfs_readdir(struct nfs_context *nfs _U_, struct nfsdir *nfsdir)
2989{
2990 struct nfsdirent *nfsdirent = nfsdir->current;
2991
2992 if (nfsdir->current != NULL) {
2993 nfsdir->current = nfsdir->current->next;
2994 }
2995 return nfsdirent;
2996}
2997
2998
f893b680
RS		 2999/*
3000 * closedir()
3001 */
84004dbf
RS		 3002void nfs_closedir(struct nfs_context *nfs _U_, struct nfsdir *nfsdir)
3003{
3004 nfs_free_nfsdir(nfsdir);
3005}
3006
3007
f893b680
RS		 3008/*
3009 * getcwd()
3010 */
3011void nfs_getcwd(struct nfs_context *nfs, const char **cwd)
3012{
3013 if (cwd) {
3014 *cwd = nfs->cwd;
3015 }
3016}
84004dbf
RS		 3017
3018
3019/*
3020 * Async lseek()
3021 */
3022struct lseek_cb_data {
3023 struct nfs_context *nfs;
3024 struct nfsfh *nfsfh;
183451cf 3025 uint64_t offset;
84004dbf
RS		 3026 nfs_cb cb;
3027 void *private_data;
3028};
3029
f3a75078 3030static void nfs_lseek_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3031{
3032 GETATTR3res *res;
3033 struct lseek_cb_data *data = private_data;
3034 struct nfs_context *nfs = data->nfs;
3035
f3a75078
RS		 3036 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3037
84004dbf
RS		 3038 if (status == RPC_STATUS_ERROR) {
3039 data->cb(-EFAULT, nfs, command_data, data->private_data);
3040 free(data);
3041 return;
3042 }
3043 if (status == RPC_STATUS_CANCEL) {
3044 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3045 free(data);
3046 return;
3047 }
3048
3049 res = command_data;
3050 if (res->status != NFS3_OK) {
3051 rpc_set_error(nfs->rpc, "NFS: GETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
3052 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3053 free(data);
3054 return;
3055 }
3056
3057 data->nfsfh->offset = data->offset + res->GETATTR3res_u.resok.obj_attributes.size;
3058 data->cb(0, nfs, &data->nfsfh->offset, data->private_data);
3059 free(data);
3060}
3061
183451cf 3062int nfs_lseek_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t offset, int whence, nfs_cb cb, void *private_data)
84004dbf
RS		 3063{
3064 struct lseek_cb_data *data;
463d59bf 3065 struct GETATTR3args args;
84004dbf
RS		 3066
3067 if (whence == SEEK_SET) {
3068 nfsfh->offset = offset;
3069 cb(0, nfs, &nfsfh->offset, private_data);
3070 return 0;
3071 }
3072 if (whence == SEEK_CUR) {
3073 nfsfh->offset += offset;
3074 cb(0, nfs, &nfsfh->offset, private_data);
3075 return 0;
3076 }
3077
3078 data = malloc(sizeof(struct lseek_cb_data));
3079 if (data == NULL) {
3080 rpc_set_error(nfs->rpc, "Out Of Memory: Failed to malloc lseek cb data");
3081 return -1;
3082 }
3083
3084 data->nfs = nfs;
3085 data->nfsfh = nfsfh;
3086 data->offset = offset;
3087 data->cb = cb;
3088 data->private_data = private_data;
3089
463d59bf 3090 memset(&args, 0, sizeof(GETATTR3args));
2452c57f 3091 args.object = nfsfh->fh;
463d59bf
RS		 3092
3093 if (rpc_nfs3_getattr_async(nfs->rpc, nfs_lseek_1_cb, &args, data) != 0) {
84004dbf
RS		 3094 rpc_set_error(nfs->rpc, "RPC error: Failed to send LSEEK GETATTR call");
3095 free(data);
cbbf9d3e 3096 return -1;
84004dbf
RS		 3097 }
3098 return 0;
3099}
3100
3101
3102
3103
3104/*
3105 * Async statvfs()
3106 */
f3a75078 3107static void nfs_statvfs_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3108{
3109 FSSTAT3res *res;
3110 struct nfs_cb_data *data = private_data;
3111 struct nfs_context *nfs = data->nfs;
3112 struct statvfs svfs;
3113
f3a75078
RS		 3114 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3115
84004dbf
RS		 3116 if (status == RPC_STATUS_ERROR) {
3117 data->cb(-EFAULT, nfs, command_data, data->private_data);
3118 free_nfs_cb_data(data);
3119 return;
3120 }
3121 if (status == RPC_STATUS_CANCEL) {
3122 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3123 free_nfs_cb_data(data);
3124 return;
3125 }
3126
3127 res = command_data;
3128 if (res->status != NFS3_OK) {
3129 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));
3130 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3131 free_nfs_cb_data(data);
3132 return;
3133 }
3134
3135 svfs.f_bsize = 4096;
3136 svfs.f_frsize = 4096;
3137 svfs.f_blocks = res->FSSTAT3res_u.resok.tbytes/4096;
3138 svfs.f_bfree = res->FSSTAT3res_u.resok.fbytes/4096;
3139 svfs.f_bavail = res->FSSTAT3res_u.resok.abytes/4096;
3140 svfs.f_files = res->FSSTAT3res_u.resok.tfiles;
3141 svfs.f_ffree = res->FSSTAT3res_u.resok.ffiles;
252aa90d 3142#if !defined(ANDROID)
84004dbf
RS		 3143 svfs.f_favail = res->FSSTAT3res_u.resok.afiles;
3144 svfs.f_fsid = 0;
3145 svfs.f_flag = 0;
3146 svfs.f_namemax = 256;
252aa90d 3147#endif
84004dbf
RS		 3148
3149 data->cb(0, nfs, &svfs, data->private_data);
3150 free_nfs_cb_data(data);
3151}
3152
3153static int nfs_statvfs_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3154{
0249c17b
RS		 3155 FSSTAT3args args;
3156
3157 args.fsroot = data->fh;
3158 if (rpc_nfs3_fsstat_async(nfs->rpc, nfs_statvfs_1_cb, &args, data) != 0) {
84004dbf
RS		 3159 rpc_set_error(nfs->rpc, "RPC error: Failed to send FSSTAT call for %s", data->path);
3160 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3161 free_nfs_cb_data(data);
3162 return -1;
3163 }
3164 return 0;
3165}
3166
3167int nfs_statvfs_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
3168{
3169 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_statvfs_continue_internal, NULL, NULL, 0) != 0) {
cbbf9d3e 3170 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3171 return -1;
3172 }
3173
3174 return 0;
3175}
3176
3177
3178
3179
3180/*
3181 * Async readlink()
3182 */
f3a75078 3183static void nfs_readlink_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3184{
3185 READLINK3res *res;
3186 struct nfs_cb_data *data = private_data;
3187 struct nfs_context *nfs = data->nfs;
3188
f3a75078
RS		 3189 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3190
84004dbf
RS		 3191 if (status == RPC_STATUS_ERROR) {
3192 data->cb(-EFAULT, nfs, command_data, data->private_data);
3193 free_nfs_cb_data(data);
3194 return;
3195 }
3196 if (status == RPC_STATUS_CANCEL) {
3197 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3198 free_nfs_cb_data(data);
3199 return;
3200 }
3201
3202 res = command_data;
3203 if (res->status != NFS3_OK) {
3204 rpc_set_error(nfs->rpc, "NFS: READLINK of %s failed with %s(%d)", data->saved_path, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
3205 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3206 free_nfs_cb_data(data);
3207 return;
3208 }
3209
4b1ae88a 3210
84004dbf
RS		 3211 data->cb(0, nfs, res->READLINK3res_u.resok.data, data->private_data);
3212 free_nfs_cb_data(data);
3213}
3214
3215static int nfs_readlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3216{
16104b27
RS		 3217 READLINK3args args;
3218
2452c57f 3219 args.symlink = data->fh;
16104b27 3220
7cd23ccc 3221 if (rpc_nfs3_readlink_async(nfs->rpc, nfs_readlink_1_cb, &args, data) != 0) {
84004dbf
RS		 3222 rpc_set_error(nfs->rpc, "RPC error: Failed to send READLINK call for %s", data->path);
3223 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3224 free_nfs_cb_data(data);
3225 return -1;
3226 }
3227 return 0;
3228}
3229
3230int nfs_readlink_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
3231{
3232 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_readlink_continue_internal, NULL, NULL, 0) != 0) {
cbbf9d3e 3233 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3234 return -1;
3235 }
3236
3237 return 0;
3238}
3239
3240
3241
3242
3243/*
3244 * Async chmod()
3245 */
f3a75078 3246static void nfs_chmod_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3247{
3248 struct nfs_cb_data *data = private_data;
3249 struct nfs_context *nfs = data->nfs;
3250 SETATTR3res *res;
3251
f3a75078
RS		 3252 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3253
84004dbf
RS		 3254 if (status == RPC_STATUS_ERROR) {
3255 data->cb(-EFAULT, nfs, command_data, data->private_data);
3256 free_nfs_cb_data(data);
3257 return;
3258 }
3259 if (status == RPC_STATUS_CANCEL) {
3260 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3261 free_nfs_cb_data(data);
3262 return;
3263 }
3264
3265 res = command_data;
3266 if (res->status != NFS3_OK) {
3267 rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
3268 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3269 free_nfs_cb_data(data);
3270 return;
3271 }
3272
3273 data->cb(0, nfs, NULL, data->private_data);
3274 free_nfs_cb_data(data);
3275}
3276
3277static int nfs_chmod_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3278{
3279 SETATTR3args args;
3280
ea98629a 3281 memset(&args, 0, sizeof(SETATTR3args));
2452c57f 3282 args.object = data->fh;
84004dbf
RS		 3283 args.new_attributes.mode.set_it = 1;
3284 args.new_attributes.mode.set_mode3_u.mode = data->continue_int;
3285
b701254d 3286 if (rpc_nfs3_setattr_async(nfs->rpc, nfs_chmod_cb, &args, data) != 0) {
84004dbf
RS		 3287 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
3288 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3289 free_nfs_cb_data(data);
3290 return -1;
3291 }
3292 return 0;
3293}
3294
3295
3296int nfs_chmod_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data)
3297{
3298 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_chmod_continue_internal, NULL, NULL, mode) != 0) {
cbbf9d3e 3299 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3300 return -1;
3301 }
3302
3303 return 0;
3304}
3305
3306/*
3307 * Async fchmod()
3308 */
3309int nfs_fchmod_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int mode, nfs_cb cb, void *private_data)
3310{
3311 struct nfs_cb_data *data;
3312
3313 data = malloc(sizeof(struct nfs_cb_data));
3314 if (data == NULL) {
cbbf9d3e 3315 rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for nfs mount data");
84004dbf
RS		 3316 return -1;
3317 }
ea98629a 3318 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 3319 data->nfs = nfs;
3320 data->cb = cb;
3321 data->private_data = private_data;
3322 data->continue_int = mode;
3323 data->fh.data.data_len = nfsfh->fh.data.data_len;
3324 data->fh.data.data_val = malloc(data->fh.data.data_len);
3325 if (data->fh.data.data_val == NULL) {
3326 rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh");
3327 free_nfs_cb_data(data);
3328 return -1;
3329 }
3330 memcpy(data->fh.data.data_val, nfsfh->fh.data.data_val, data->fh.data.data_len);
3331
3332 if (nfs_chmod_continue_internal(nfs, data) != 0) {
84004dbf
RS		 3333 return -1;
3334 }
3335
3336 return 0;
3337}
3338
3339
3340
3341/*
3342 * Async chown()
3343 */
f3a75078 3344static void nfs_chown_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3345{
3346 struct nfs_cb_data *data = private_data;
3347 struct nfs_context *nfs = data->nfs;
3348 SETATTR3res *res;
3349
f3a75078
RS		 3350 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3351
84004dbf
RS		 3352 if (status == RPC_STATUS_ERROR) {
3353 data->cb(-EFAULT, nfs, command_data, data->private_data);
3354 free_nfs_cb_data(data);
3355 return;
3356 }
3357 if (status == RPC_STATUS_CANCEL) {
3358 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3359 free_nfs_cb_data(data);
3360 return;
3361 }
3362
3363 res = command_data;
3364 if (res->status != NFS3_OK) {
3365 rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
3366 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3367 free_nfs_cb_data(data);
3368 return;
3369 }
3370
3371 data->cb(0, nfs, NULL, data->private_data);
3372 free_nfs_cb_data(data);
3373}
3374
3375struct nfs_chown_data {
3376 uid_t uid;
3377 gid_t gid;
3378};
3379
3380static int nfs_chown_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3381{
3382 SETATTR3args args;
3383 struct nfs_chown_data *chown_data = data->continue_data;
3384
ea98629a 3385 memset(&args, 0, sizeof(SETATTR3args));
2452c57f 3386 args.object = data->fh;
84004dbf
RS		 3387 if (chown_data->uid != (uid_t)-1) {
3388 args.new_attributes.uid.set_it = 1;
3389 args.new_attributes.uid.set_uid3_u.uid = chown_data->uid;
3390 }
3391 if (chown_data->gid != (gid_t)-1) {
3392 args.new_attributes.gid.set_it = 1;
3393 args.new_attributes.gid.set_gid3_u.gid = chown_data->gid;
3394 }
3395
b701254d 3396 if (rpc_nfs3_setattr_async(nfs->rpc, nfs_chown_cb, &args, data) != 0) {
84004dbf
RS		 3397 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
3398 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3399 free_nfs_cb_data(data);
3400 return -1;
3401 }
3402 return 0;
3403}
3404
3405
3406int nfs_chown_async(struct nfs_context *nfs, const char *path, int uid, int gid, nfs_cb cb, void *private_data)
3407{
3408 struct nfs_chown_data *chown_data;
3409
3410 chown_data = malloc(sizeof(struct nfs_chown_data));
3411 if (chown_data == NULL) {
cbbf9d3e 3412 rpc_set_error(nfs->rpc, "Failed to allocate memory for chown data structure");
84004dbf
RS		 3413 return -1;
3414 }
3415
3416 chown_data->uid = uid;
3417 chown_data->gid = gid;
3418
3419 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_chown_continue_internal, chown_data, free, 0) != 0) {
cbbf9d3e 3420 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3421 return -1;
3422 }
3423
3424 return 0;
3425}
3426
3427
3428/*
3429 * Async fchown()
3430 */
3431int nfs_fchown_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int uid, int gid, nfs_cb cb, void *private_data)
3432{
3433 struct nfs_cb_data *data;
3434 struct nfs_chown_data *chown_data;
3435
3436 chown_data = malloc(sizeof(struct nfs_chown_data));
3437 if (chown_data == NULL) {
cbbf9d3e 3438 rpc_set_error(nfs->rpc, "Failed to allocate memory for chown data structure");
84004dbf
RS		 3439 return -1;
3440 }
3441
3442 chown_data->uid = uid;
3443 chown_data->gid = gid;
3444
84004dbf
RS		 3445 data = malloc(sizeof(struct nfs_cb_data));
3446 if (data == NULL) {
cbbf9d3e 3447 rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for fchown data");
b6619d88 3448 free(chown_data);
84004dbf
RS		 3449 return -1;
3450 }
ea98629a 3451 memset(data, 0, sizeof(struct nfs_cb_data));
84004dbf
RS		 3452 data->nfs = nfs;
3453 data->cb = cb;
3454 data->private_data = private_data;
3455 data->continue_data = chown_data;
6b1f14ca 3456 data->free_continue_data = free;
84004dbf
RS		 3457 data->fh.data.data_len = nfsfh->fh.data.data_len;
3458 data->fh.data.data_val = malloc(data->fh.data.data_len);
3459 if (data->fh.data.data_val == NULL) {
3460 rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh");
3461 free_nfs_cb_data(data);
3462 return -1;
3463 }
3464 memcpy(data->fh.data.data_val, nfsfh->fh.data.data_val, data->fh.data.data_len);
3465
84004dbf 3466 if (nfs_chown_continue_internal(nfs, data) != 0) {
84004dbf
RS		 3467 return -1;
3468 }
3469
3470 return 0;
3471}
3472
3473
3474
3475
3476
3477/*
3478 * Async utimes()
3479 */
f3a75078 3480static void nfs_utimes_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3481{
3482 struct nfs_cb_data *data = private_data;
3483 struct nfs_context *nfs = data->nfs;
3484 SETATTR3res *res;
3485
f3a75078
RS		 3486 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3487
84004dbf
RS		 3488 if (status == RPC_STATUS_ERROR) {
3489 data->cb(-EFAULT, nfs, command_data, data->private_data);
3490 free_nfs_cb_data(data);
3491 return;
3492 }
3493 if (status == RPC_STATUS_CANCEL) {
3494 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3495 free_nfs_cb_data(data);
3496 return;
3497 }
3498
3499 res = command_data;
3500 if (res->status != NFS3_OK) {
3501 rpc_set_error(nfs->rpc, "NFS: SETATTR failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
3502 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3503 free_nfs_cb_data(data);
3504 return;
3505 }
3506
3507 data->cb(0, nfs, NULL, data->private_data);
3508 free_nfs_cb_data(data);
3509}
3510
3511static int nfs_utimes_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3512{
3513 SETATTR3args args;
3514 struct timeval *utimes_data = data->continue_data;
3515
ea98629a 3516 memset(&args, 0, sizeof(SETATTR3args));
2452c57f 3517 args.object = data->fh;
84004dbf
RS		 3518 if (utimes_data != NULL) {
3519 args.new_attributes.atime.set_it = SET_TO_CLIENT_TIME;
3520 args.new_attributes.atime.set_atime_u.atime.seconds = utimes_data[0].tv_sec;
3521 args.new_attributes.atime.set_atime_u.atime.nseconds = utimes_data[0].tv_usec * 1000;
3522 args.new_attributes.mtime.set_it = SET_TO_CLIENT_TIME;
3523 args.new_attributes.mtime.set_mtime_u.mtime.seconds = utimes_data[1].tv_sec;
3524 args.new_attributes.mtime.set_mtime_u.mtime.nseconds = utimes_data[1].tv_usec * 1000;
3525 } else {
3526 args.new_attributes.atime.set_it = SET_TO_SERVER_TIME;
3527 args.new_attributes.mtime.set_it = SET_TO_SERVER_TIME;
3528 }
3529
b701254d 3530 if (rpc_nfs3_setattr_async(nfs->rpc, nfs_utimes_cb, &args, data) != 0) {
84004dbf
RS		 3531 rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
3532 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3533 free_nfs_cb_data(data);
3534 return -1;
3535 }
3536 return 0;
3537}
3538
3539
3540int nfs_utimes_async(struct nfs_context *nfs, const char *path, struct timeval *times, nfs_cb cb, void *private_data)
3541{
3542 struct timeval *new_times = NULL;
3543
3544 if (times != NULL) {
3545 new_times = malloc(sizeof(struct timeval)*2);
3546 if (new_times == NULL) {
cbbf9d3e 3547 rpc_set_error(nfs->rpc, "Failed to allocate memory for timeval structure");
84004dbf
RS		 3548 return -1;
3549 }
3550
3551 memcpy(new_times, times, sizeof(struct timeval)*2);
3552 }
3553
3554 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_utimes_continue_internal, new_times, free, 0) != 0) {
cbbf9d3e 3555 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3556 return -1;
3557 }
3558
3559 return 0;
3560}
3561
3562/*
3563 * Async utime()
3564 */
3565int nfs_utime_async(struct nfs_context *nfs, const char *path, struct utimbuf *times, nfs_cb cb, void *private_data)
3566{
3567 struct timeval *new_times = NULL;
3568
3569 if (times != NULL) {
3570 new_times = malloc(sizeof(struct timeval)*2);
3571 if (new_times == NULL) {
cbbf9d3e 3572 rpc_set_error(nfs->rpc, "Failed to allocate memory for timeval structure");
84004dbf
RS		 3573 return -1;
3574 }
3575
3576 new_times[0].tv_sec = times->actime;
3577 new_times[0].tv_usec = 0;
3578 new_times[1].tv_sec = times->modtime;
3579 new_times[1].tv_usec = 0;
3580 }
3581
3582 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_utimes_continue_internal, new_times, free, 0) != 0) {
cbbf9d3e 3583 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
84004dbf
RS		 3584 return -1;
3585 }
3586
3587 return 0;
3588}
84004dbf
RS		 3589
3590
3591/*
3592 * Async access()
3593 */
f3a75078 3594static void nfs_access_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3595{
3596 ACCESS3res *res;
3597 struct nfs_cb_data *data = private_data;
3598 struct nfs_context *nfs = data->nfs;
3599 unsigned int nfsmode = 0;
3600
f3a75078
RS		 3601 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3602
84004dbf
RS		 3603 if (status == RPC_STATUS_ERROR) {
3604 data->cb(-EFAULT, nfs, command_data, data->private_data);
3605 free_nfs_cb_data(data);
3606 return;
3607 }
3608 if (status == RPC_STATUS_CANCEL) {
3609 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3610 free_nfs_cb_data(data);
3611 return;
3612 }
3613
3614 res = command_data;
3615 if (res->status != NFS3_OK) {
3616 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));
3617 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3618 free_nfs_cb_data(data);
3619 return;
3620 }
3621
3622 if (data->continue_int & R_OK) {
3623 nfsmode |= ACCESS3_READ;
3624 }
3625 if (data->continue_int & W_OK) {
3626 nfsmode |= ACCESS3_MODIFY;
3627 }
3628 if (data->continue_int & X_OK) {
3629 nfsmode |= ACCESS3_EXECUTE;
3630 }
3631
3632 if (res->ACCESS3res_u.resok.access != nfsmode) {
3633 rpc_set_error(nfs->rpc, "NFS: ACCESS denied. Required access %c%c%c. Allowed access %c%c%c",
3634 nfsmode&ACCESS3_READ?'r':'-',
3635 nfsmode&ACCESS3_MODIFY?'w':'-',
3636 nfsmode&ACCESS3_EXECUTE?'x':'-',
3637 res->ACCESS3res_u.resok.access&ACCESS3_READ?'r':'-',
3638 res->ACCESS3res_u.resok.access&ACCESS3_MODIFY?'w':'-',
3639 res->ACCESS3res_u.resok.access&ACCESS3_EXECUTE?'x':'-');
3640 data->cb(-EACCES, nfs, rpc_get_error(nfs->rpc), data->private_data);
3641 free_nfs_cb_data(data);
3642 return;
3643 }
3644
3645 data->cb(0, nfs, NULL, data->private_data);
3646 free_nfs_cb_data(data);
3647}
3648
3649static int nfs_access_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3650{
3651 int nfsmode = 0;
463d59bf 3652 ACCESS3args args;
84004dbf
RS		 3653
3654 if (data->continue_int & R_OK) {
3655 nfsmode |= ACCESS3_READ;
3656 }
3657 if (data->continue_int & W_OK) {
3658 nfsmode |= ACCESS3_MODIFY;
3659 }
3660 if (data->continue_int & X_OK) {
3661 nfsmode |= ACCESS3_EXECUTE;
3662 }
3663
463d59bf 3664 memset(&args, 0, sizeof(ACCESS3args));
2452c57f 3665 args.object = data->fh;
463d59bf
RS		 3666 args.access = nfsmode;
3667
3668 if (rpc_nfs3_access_async(nfs->rpc, nfs_access_cb, &args, data) != 0) {
84004dbf
RS		 3669 rpc_set_error(nfs->rpc, "RPC error: Failed to send OPEN ACCESS call for %s", data->path);
3670 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3671 free_nfs_cb_data(data);
3672 return -1;
3673 }
3674 return 0;
3675}
3676
3677int nfs_access_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data)
3678{
3679 if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_access_continue_internal, NULL, NULL, mode) != 0) {
cbbf9d3e
RS		 3680 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
3681 return -1;
84004dbf
RS		 3682 }
3683
3684 return 0;
3685}
3686
3687
3688
3689/*
3690 * Async symlink()
3691 */
3692struct nfs_symlink_data {
3693 char *oldpath;
3694 char *newpathparent;
3695 char *newpathobject;
3696};
3697
3698static void free_nfs_symlink_data(void *mem)
3699{
3700 struct nfs_symlink_data *data = mem;
3701
3702 if (data->oldpath != NULL) {
3703 free(data->oldpath);
3704 }
3705 if (data->newpathparent != NULL) {
3706 free(data->newpathparent);
3707 }
3708 if (data->newpathobject != NULL) {
3709 free(data->newpathobject);
3710 }
3711 free(data);
3712}
3713
f3a75078 3714static void nfs_symlink_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3715{
3716 SYMLINK3res *res;
3717 struct nfs_cb_data *data = private_data;
3718 struct nfs_context *nfs = data->nfs;
3719 struct nfs_symlink_data *symlink_data = data->continue_data;
4b1ae88a 3720
f3a75078
RS		 3721 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3722
84004dbf
RS		 3723 if (status == RPC_STATUS_ERROR) {
3724 data->cb(-EFAULT, nfs, command_data, data->private_data);
3725 free_nfs_cb_data(data);
3726 return;
3727 }
3728 if (status == RPC_STATUS_CANCEL) {
3729 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3730 free_nfs_cb_data(data);
3731 return;
3732 }
3733
3734 res = command_data;
3735 if (res->status != NFS3_OK) {
3736 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));
3737 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3738 free_nfs_cb_data(data);
3739 return;
3740 }
3741
3742 data->cb(0, nfs, NULL, data->private_data);
3743 free_nfs_cb_data(data);
3744}
3745
3746static int nfs_symlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3747{
3748 struct nfs_symlink_data *symlink_data = data->continue_data;
87f81c85 3749 SYMLINK3args args;
84004dbf 3750
87f81c85 3751 memset(&args, 0, sizeof(SYMLINK3args));
2452c57f 3752 args.where.dir = data->fh;
87f81c85
RS		 3753 args.where.name = symlink_data->newpathobject;
3754 args.symlink.symlink_attributes.mode.set_it = 1;
3755 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;
3756 args.symlink.symlink_data = symlink_data->oldpath;
8e255816 3757
87f81c85 3758 if (rpc_nfs3_symlink_async(nfs->rpc, nfs_symlink_cb, &args, data) != 0) {
84004dbf
RS		 3759 rpc_set_error(nfs->rpc, "RPC error: Failed to send SYMLINK call for %s", data->path);
3760 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3761 free_nfs_cb_data(data);
3762 return -1;
3763 }
3764 return 0;
3765}
3766
3767int nfs_symlink_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data)
3768{
3769 char *ptr;
3770 struct nfs_symlink_data *symlink_data;
3771
3772 symlink_data = malloc(sizeof(struct nfs_symlink_data));
3773 if (symlink_data == NULL) {
cbbf9d3e 3774 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for symlink data");
84004dbf
RS		 3775 return -1;
3776 }
ea98629a 3777 memset(symlink_data, 0, sizeof(struct nfs_symlink_data));
84004dbf
RS		 3778
3779 symlink_data->oldpath = strdup(oldpath);
3780 if (symlink_data->oldpath == NULL) {
cbbf9d3e 3781 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath");
84004dbf 3782 free_nfs_symlink_data(symlink_data);
cbbf9d3e 3783 return -1;
84004dbf
RS		 3784 }
3785
3786 symlink_data->newpathparent = strdup(newpath);
3787 if (symlink_data->newpathparent == NULL) {
cbbf9d3e 3788 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for new path");
84004dbf 3789 free_nfs_symlink_data(symlink_data);
cbbf9d3e 3790 return -1;
84004dbf
RS		 3791 }
3792
93e9306f 3793 ptr = strrchr(symlink_data->newpathparent, '/');
84004dbf 3794 if (ptr == NULL) {
cbbf9d3e 3795 rpc_set_error(nfs->rpc, "Invalid path %s", oldpath);
84004dbf 3796 free_nfs_symlink_data(symlink_data);
cbbf9d3e 3797 return -1;
84004dbf
RS		 3798 }
3799 *ptr = 0;
3800 ptr++;
3801
3802 symlink_data->newpathobject = strdup(ptr);
3803 if (symlink_data->newpathobject == NULL) {
cbbf9d3e 3804 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for new path");
84004dbf 3805 free_nfs_symlink_data(symlink_data);
cbbf9d3e 3806 return -1;
84004dbf
RS		 3807 }
3808
3809 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		 3810 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
3811 return -1;
84004dbf
RS		 3812 }
3813
3814 return 0;
3815}
3816
3817
3818
3819/*
3820 * Async rename()
3821 */
3822struct nfs_rename_data {
3823 char *oldpath;
3824 char *oldobject;
3825 struct nfs_fh3 olddir;
3826 char *newpath;
3827 char *newobject;
3828 struct nfs_fh3 newdir;
3829};
3830
3831static void free_nfs_rename_data(void *mem)
3832{
3833 struct nfs_rename_data *data = mem;
3834
3835 if (data->oldpath != NULL) {
3836 free(data->oldpath);
3837 }
3838 if (data->olddir.data.data_val != NULL) {
3839 free(data->olddir.data.data_val);
3840 }
3841 if (data->newpath != NULL) {
3842 free(data->newpath);
3843 }
3844 if (data->newdir.data.data_val != NULL) {
3845 free(data->newdir.data.data_val);
3846 }
3847 free(data);
3848}
3849
f3a75078 3850static void nfs_rename_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 3851{
3852 RENAME3res *res;
3853 struct nfs_cb_data *data = private_data;
3854 struct nfs_context *nfs = data->nfs;
3855 struct nfs_rename_data *rename_data = data->continue_data;
4b1ae88a 3856
f3a75078
RS		 3857 assert(rpc->magic == RPC_CONTEXT_MAGIC);
3858
84004dbf
RS		 3859 if (status == RPC_STATUS_ERROR) {
3860 data->cb(-EFAULT, nfs, command_data, data->private_data);
3861 free_nfs_cb_data(data);
3862 return;
3863 }
3864 if (status == RPC_STATUS_CANCEL) {
3865 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
3866 free_nfs_cb_data(data);
3867 return;
3868 }
3869
3870 res = command_data;
3871 if (res->status != NFS3_OK) {
3872 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));
3873 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
3874 free_nfs_cb_data(data);
3875 return;
3876 }
3877
3878 data->cb(0, nfs, NULL, data->private_data);
3879 free_nfs_cb_data(data);
3880}
3881
3882static int nfs_rename_continue_2_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3883{
3884 struct nfs_rename_data *rename_data = data->continue_data;
5940c705 3885 RENAME3args args;
84004dbf
RS		 3886
3887 /* steal the filehandle */
2452c57f 3888 rename_data->newdir = data->fh;
84004dbf
RS		 3889 data->fh.data.data_val = NULL;
3890
5940c705
RS		 3891 args.from.dir = rename_data->olddir;
3892 args.from.name = rename_data->oldobject;
3893 args.to.dir = rename_data->newdir;
3894 args.to.name = rename_data->newobject;
3895 if (rpc_nfs3_rename_async(nfs->rpc, nfs_rename_cb, &args, data) != 0) {
84004dbf
RS		 3896 rpc_set_error(nfs->rpc, "RPC error: Failed to send RENAME call for %s", data->path);
3897 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3898 free_nfs_cb_data(data);
3899 return -1;
3900 }
3901 return 0;
3902}
3903
3904
3905static int nfs_rename_continue_1_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
3906{
3907 struct nfs_rename_data *rename_data = data->continue_data;
766bb4af
AR		 3908 char* newpath = strdup(rename_data->newpath);
3909 if (!newpath) {
3910 rpc_set_error(nfs->rpc, "Out of memory. Could not allocate memory to store target path for rename");
3911 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3912 free_nfs_cb_data(data);
3913 return -1;
3914 }
84004dbf
RS		 3915
3916 /* steal the filehandle */
2452c57f 3917 rename_data->olddir = data->fh;
84004dbf
RS		 3918 data->fh.data.data_val = NULL;
3919
3920 if (nfs_lookuppath_async(nfs, rename_data->newpath, data->cb, data->private_data, nfs_rename_continue_2_internal, rename_data, free_nfs_rename_data, 0) != 0) {
766bb4af 3921 rpc_set_error(nfs->rpc, "RPC error: Failed to send LOOKUP call for %s", newpath);
84004dbf
RS		 3922 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
3923 free_nfs_cb_data(data);
766bb4af 3924 free(newpath);
84004dbf
RS		 3925 return -1;
3926 }
3927 data->continue_data = NULL;
3928 free_nfs_cb_data(data);
766bb4af 3929 free(newpath);
84004dbf
RS		 3930
3931 return 0;
3932}
3933
3934
3935int nfs_rename_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data)
3936{
3937 char *ptr;
3938 struct nfs_rename_data *rename_data;
3939
3940 rename_data = malloc(sizeof(struct nfs_rename_data));
3941 if (rename_data == NULL) {
cbbf9d3e 3942 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for rename data");
84004dbf
RS		 3943 return -1;
3944 }
ea98629a 3945 memset(rename_data, 0, sizeof(struct nfs_rename_data));
84004dbf
RS		 3946
3947 rename_data->oldpath = strdup(oldpath);
3948 if (rename_data->oldpath == NULL) {
cbbf9d3e 3949 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath");
84004dbf 3950 free_nfs_rename_data(rename_data);
cbbf9d3e 3951 return -1;
84004dbf 3952 }
93e9306f 3953 ptr = strrchr(rename_data->oldpath, '/');
84004dbf 3954 if (ptr == NULL) {
cbbf9d3e 3955 rpc_set_error(nfs->rpc, "Invalid path %s", oldpath);
84004dbf 3956 free_nfs_rename_data(rename_data);
cbbf9d3e 3957 return -1;
84004dbf
RS		 3958 }
3959 *ptr = 0;
3960 ptr++;
3961 rename_data->oldobject = ptr;
3962
3963
3964 rename_data->newpath = strdup(newpath);
3965 if (rename_data->newpath == NULL) {
cbbf9d3e 3966 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for newpath");
84004dbf 3967 free_nfs_rename_data(rename_data);
cbbf9d3e 3968 return -1;
84004dbf 3969 }
93e9306f 3970 ptr = strrchr(rename_data->newpath, '/');
84004dbf 3971 if (ptr == NULL) {
cbbf9d3e 3972 rpc_set_error(nfs->rpc, "Invalid path %s", newpath);
84004dbf 3973 free_nfs_rename_data(rename_data);
cbbf9d3e 3974 return -1;
84004dbf
RS		 3975 }
3976 *ptr = 0;
3977 ptr++;
3978 rename_data->newobject = ptr;
3979
3980
3981 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		 3982 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
3983 return -1;
84004dbf
RS		 3984 }
3985
3986 return 0;
3987}
3988
3989
3990/*
3991 * Async link()
3992 */
3993struct nfs_link_data {
3994 char *oldpath;
3995 struct nfs_fh3 oldfh;
3996 char *newpath;
3997 char *newobject;
3998 struct nfs_fh3 newdir;
3999};
4000
4001static void free_nfs_link_data(void *mem)
4002{
4003 struct nfs_link_data *data = mem;
4004
4005 if (data->oldpath != NULL) {
4006 free(data->oldpath);
4007 }
4008 if (data->oldfh.data.data_val != NULL) {
4009 free(data->oldfh.data.data_val);
4010 }
4011 if (data->newpath != NULL) {
4012 free(data->newpath);
4013 }
4014 if (data->newdir.data.data_val != NULL) {
4015 free(data->newdir.data.data_val);
4016 }
4017 free(data);
4018}
4019
f3a75078 4020static void nfs_link_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
84004dbf
RS		 4021{
4022 LINK3res *res;
4023 struct nfs_cb_data *data = private_data;
4024 struct nfs_context *nfs = data->nfs;
4025 struct nfs_link_data *link_data = data->continue_data;
4b1ae88a 4026
f3a75078
RS		 4027 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4028
84004dbf
RS		 4029 if (status == RPC_STATUS_ERROR) {
4030 data->cb(-EFAULT, nfs, command_data, data->private_data);
4031 free_nfs_cb_data(data);
4032 return;
4033 }
4034 if (status == RPC_STATUS_CANCEL) {
4035 data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
4036 free_nfs_cb_data(data);
4037 return;
4038 }
4039
4040 res = command_data;
4041 if (res->status != NFS3_OK) {
4042 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));
4043 data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
4044 free_nfs_cb_data(data);
4045 return;
4046 }
4047
4048 data->cb(0, nfs, NULL, data->private_data);
4049 free_nfs_cb_data(data);
4050}
4051
4052static int nfs_link_continue_2_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
4053{
4054 struct nfs_link_data *link_data = data->continue_data;
560f9434 4055 LINK3args args;
84004dbf
RS		 4056
4057 /* steal the filehandle */
2452c57f 4058 link_data->newdir = data->fh;
84004dbf
RS		 4059 data->fh.data.data_val = NULL;
4060
560f9434
RS		 4061 memset(&args, 0, sizeof(LINK3args));
4062 args.file = link_data->oldfh;
4063 args.link.dir = link_data->newdir;
4064 args.link.name = link_data->newobject;
4065 if (rpc_nfs3_link_async(nfs->rpc, nfs_link_cb, &args, data) != 0) {
84004dbf
RS		 4066 rpc_set_error(nfs->rpc, "RPC error: Failed to send LINK call for %s", data->path);
4067 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
4068 free_nfs_cb_data(data);
4069 return -1;
4070 }
4071 return 0;
4072}
4073
4074
4075static int nfs_link_continue_1_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
4076{
4077 struct nfs_link_data *link_data = data->continue_data;
4078
4079 /* steal the filehandle */
2452c57f 4080 link_data->oldfh = data->fh;
84004dbf
RS		 4081 data->fh.data.data_val = NULL;
4082
4083 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) {
4084 rpc_set_error(nfs->rpc, "RPC error: Failed to send LOOKUP call for %s", link_data->newpath);
4085 data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
4086 free_nfs_cb_data(data);
4087 return -1;
4088 }
4089 data->continue_data = NULL;
4090 free_nfs_cb_data(data);
4091
4092 return 0;
4093}
4094
4095
4096int nfs_link_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data)
4097{
4098 char *ptr;
4099 struct nfs_link_data *link_data;
4100
4101 link_data = malloc(sizeof(struct nfs_link_data));
4102 if (link_data == NULL) {
cbbf9d3e 4103 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for link data");
84004dbf
RS		 4104 return -1;
4105 }
ea98629a 4106 memset(link_data, 0, sizeof(struct nfs_link_data));
84004dbf
RS		 4107
4108 link_data->oldpath = strdup(oldpath);
4109 if (link_data->oldpath == NULL) {
cbbf9d3e 4110 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for oldpath");
84004dbf 4111 free_nfs_link_data(link_data);
cbbf9d3e 4112 return -1;
84004dbf
RS		 4113 }
4114
4115 link_data->newpath = strdup(newpath);
4116 if (link_data->newpath == NULL) {
cbbf9d3e 4117 rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for newpath");
84004dbf 4118 free_nfs_link_data(link_data);
cbbf9d3e 4119 return -1;
84004dbf 4120 }
93e9306f 4121 ptr = strrchr(link_data->newpath, '/');
84004dbf 4122 if (ptr == NULL) {
cbbf9d3e 4123 rpc_set_error(nfs->rpc, "Invalid path %s", newpath);
84004dbf 4124 free_nfs_link_data(link_data);
cbbf9d3e 4125 return -1;
84004dbf
RS		 4126 }
4127 *ptr = 0;
4128 ptr++;
4129 link_data->newobject = ptr;
4130
4131
4132 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		 4133 rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
4134 return -1;
84004dbf
RS		 4135 }
4136
4137 return 0;
4138}
4139
4140
4141//qqq replace later with lseek()
183451cf 4142uint64_t nfs_get_current_offset(struct nfsfh *nfsfh)
84004dbf
RS		 4143{
4144 return nfsfh->offset;
4145}
4146
17ef62fa
RS		 4147
4148
4149/*
4150 * Get the maximum supported READ3 size by the server
4151 */
183451cf 4152uint64_t nfs_get_readmax(struct nfs_context *nfs)
17ef62fa
RS		 4153{
4154 return nfs->readmax;
4155}
4156
4157/*
4158 * Get the maximum supported WRITE3 size by the server
4159 */
183451cf 4160uint64_t nfs_get_writemax(struct nfs_context *nfs)
17ef62fa 4161{
e7f3a781 4162 return nfs->writemax;
17ef62fa 4163}
1896d37b 4164
d43a8953
PL		 4165void nfs_set_tcp_syncnt(struct nfs_context *nfs, int v) {
4166 rpc_set_tcp_syncnt(nfs->rpc, v);
4167}
4168
4169void nfs_set_uid(struct nfs_context *nfs, int uid) {
4170 rpc_set_uid(nfs->rpc, uid);
4171}
4172
4173void nfs_set_gid(struct nfs_context *nfs, int gid) {
4174 rpc_set_gid(nfs->rpc, gid);
4175}
4176
1896d37b
RS		 4177void nfs_set_error(struct nfs_context *nfs, char *error_string, ...)
4178{
4179 va_list ap;
1e8994af 4180 char *str = NULL;
1896d37b 4181
1e8994af 4182 va_start(ap, error_string);
2606f9bb
RS		 4183 str = malloc(1024);
4184 vsnprintf(str, 1024, error_string, ap);
1896d37b
RS		 4185 if (nfs->rpc->error_string != NULL) {
4186 free(nfs->rpc->error_string);
4187 }
1896d37b 4188 nfs->rpc->error_string = str;
f893b680 4189 va_end(ap);
1896d37b 4190}
7f0242ca
RS		 4191
4192
4193
4194struct mount_cb_data {
4195 rpc_cb cb;
4196 void *private_data;
4197 char *server;
4198};
4199
4200static void free_mount_cb_data(struct mount_cb_data *data)
4201{
4202 if (data->server != NULL) {
4203 free(data->server);
4204 data->server = NULL;
4205 }
4206
4207 free(data);
4208}
4209
4210static void mount_export_5_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
4211{
4212 struct mount_cb_data *data = private_data;
4213
f3a75078
RS		 4214 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4215
4216 if (status == RPC_STATUS_ERROR) {
7f0242ca
RS		 4217 data->cb(rpc, -EFAULT, command_data, data->private_data);
4218 free_mount_cb_data(data);
4219 return;
4220 }
4221 if (status == RPC_STATUS_CANCEL) {
4222 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
4223 free_mount_cb_data(data);
4224 return;
4225 }
4226
4227 data->cb(rpc, 0, command_data, data->private_data);
4228 if (rpc_disconnect(rpc, "normal disconnect") != 0) {
4229 rpc_set_error(rpc, "Failed to disconnect\n");
4230 }
4231 free_mount_cb_data(data);
4232}
4233
4234static void mount_export_4_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
4235{
4236 struct mount_cb_data *data = private_data;
4237
f3a75078
RS		 4238 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4239
14a062eb
RS		 4240 /* Dont want any more callbacks even if the socket is closed */
4241 rpc->connect_cb = NULL;
4242
4b1ae88a 4243 if (status == RPC_STATUS_ERROR) {
7f0242ca
RS		 4244 data->cb(rpc, -EFAULT, command_data, data->private_data);
4245 free_mount_cb_data(data);
4246 return;
4247 }
4248 if (status == RPC_STATUS_CANCEL) {
4249 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
4250 free_mount_cb_data(data);
4251 return;
4252 }
4253
eda77ec3 4254 if (rpc_mount3_export_async(rpc, mount_export_5_cb, data) != 0) {
7f0242ca
RS		 4255 data->cb(rpc, -ENOMEM, command_data, data->private_data);
4256 free_mount_cb_data(data);
4257 return;
4258 }
4259}
4260
4261static void mount_export_3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
4262{
4263 struct mount_cb_data *data = private_data;
4264 uint32_t mount_port;
4265
f3a75078
RS		 4266 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4267
4268 if (status == RPC_STATUS_ERROR) {
7f0242ca
RS		 4269 data->cb(rpc, -EFAULT, command_data, data->private_data);
4270 free_mount_cb_data(data);
4271 return;
4272 }
4273 if (status == RPC_STATUS_CANCEL) {
4274 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
4275 free_mount_cb_data(data);
4276 return;
4277 }
4278
4279 mount_port = *(uint32_t *)command_data;
4280 if (mount_port == 0) {
4281 rpc_set_error(rpc, "RPC error. Mount program is not available");
4282 data->cb(rpc, -ENOENT, command_data, data->private_data);
4283 free_mount_cb_data(data);
4284 return;
4285 }
4286
4287 rpc_disconnect(rpc, "normal disconnect");
4288 if (rpc_connect_async(rpc, data->server, mount_port, mount_export_4_cb, data) != 0) {
4289 data->cb(rpc, -ENOMEM, command_data, data->private_data);
4290 free_mount_cb_data(data);
4291 return;
4292 }
4293}
4294
4295static void mount_export_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
4296{
4297 struct mount_cb_data *data = private_data;
4298
f3a75078
RS		 4299 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4300
7f0242ca
RS		 4301 if (status == RPC_STATUS_ERROR) {
4302 data->cb(rpc, -EFAULT, command_data, data->private_data);
4303 free_mount_cb_data(data);
4304 return;
4305 }
4306 if (status == RPC_STATUS_CANCEL) {
4307 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
4308 free_mount_cb_data(data);
4309 return;
4310 }
4311
5c6b1176 4312 if (rpc_pmap_getport_async(rpc, MOUNT_PROGRAM, MOUNT_V3, IPPROTO_TCP, mount_export_3_cb, private_data) != 0) {
7f0242ca
RS		 4313 data->cb(rpc, -ENOMEM, command_data, data->private_data);
4314 free_mount_cb_data(data);
4315 return;
4316 }
4317}
4318
4319static void mount_export_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
4320{
4321 struct mount_cb_data *data = private_data;
4322
f3a75078
RS		 4323 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4324
14a062eb
RS		 4325 /* Dont want any more callbacks even if the socket is closed */
4326 rpc->connect_cb = NULL;
4327
7f0242ca
RS		 4328 if (status == RPC_STATUS_ERROR) {
4329 data->cb(rpc, -EFAULT, command_data, data->private_data);
4330 free_mount_cb_data(data);
4331 return;
4332 }
4333 if (status == RPC_STATUS_CANCEL) {
4334 data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
4335 free_mount_cb_data(data);
4336 return;
4337 }
4338
4339 if (rpc_pmap_null_async(rpc, mount_export_2_cb, data) != 0) {
4340 data->cb(rpc, -ENOMEM, command_data, data->private_data);
4341 free_mount_cb_data(data);
4342 return;
4343 }
4344}
4345
4346int mount_getexports_async(struct rpc_context *rpc, const char *server, rpc_cb cb, void *private_data)
4347{
4348 struct mount_cb_data *data;
4349
f3a75078
RS		 4350 assert(rpc->magic == RPC_CONTEXT_MAGIC);
4351
7f0242ca
RS		 4352 data = malloc(sizeof(struct mount_cb_data));
4353 if (data == NULL) {
4354 return -1;
4355 }
ea98629a 4356 memset(data, 0, sizeof(struct mount_cb_data));
7f0242ca
RS		 4357 data->cb = cb;
4358 data->private_data = private_data;
4359 data->server = strdup(server);
4360 if (data->server == NULL) {
4361 free_mount_cb_data(data);
4362 return -1;
4b1ae88a 4363 }
7f0242ca
RS		 4364 if (rpc_connect_async(rpc, data->server, 111, mount_export_1_cb, data) != 0) {
4365 free_mount_cb_data(data);
4366 return -1;
4367 }
4368
4369 return 0;
4370}
4371
df5af25f
RS		 4372struct rpc_context *nfs_get_rpc_context(struct nfs_context *nfs)
4373{
f3a75078 4374 assert(nfs->rpc->magic == RPC_CONTEXT_MAGIC);
df5af25f
RS		 4375 return nfs->rpc;
4376}
4377
b077fdeb
RS		 4378const char *nfs_get_server(struct nfs_context *nfs) {
4379 return nfs->server;
4380}
4381
4382const char *nfs_get_export(struct nfs_context *nfs) {
4383 return nfs->export;
4384}
0ad9a1f1 4385
8724c833
RS		 4386const struct nfs_fh3 *nfs_get_rootfh(struct nfs_context *nfs) {
4387 return &nfs->rootfh;
4388}
fa3c25be
RS		 4389
4390struct nfs_fh3 *nfs_get_fh(struct nfsfh *nfsfh) {
4391 return &nfsfh->fh;
4392}
libnfs Piment Noir Debian package repository